CN112982332A - Forebay structural system for linkage of sewage discharge and sand discharge under action of water pressure - Google Patents

Abstract

Translated fromChinese

一种水压力作用下排污与排沙联动的前池结构系统，本发明涉及环境工程技术领域，渐变段的另一端与引水渠贯通设置，渐变段的前后两侧设有翼墙，池身的底部设有冲砂泄水溜槽，相邻于带坡度沉砂池一端的冲砂泄水溜槽上一体成型有纵向隔墩，且纵向隔墩上设有冲砂泄水溜槽横梁，带坡度沉砂池的另一端与进水池贯通设置，拦污栅倾斜设置在进水池内，进水池的右端贯通开设有引水管安置孔；池身的后侧上边缘一体成型有溢流堰；上述联动闸门结构设置在带坡度沉砂池内部。有效的利用天然河流的动力，形成旋转并实现有效控制，能够实现压力前池自动排污的同时，还能够达到沉砂池自动排沙的目的。

The invention relates to the technical field of environmental engineering. The bottom is provided with a sand flushing and drainage chute, and a longitudinal partition pier is integrally formed on the sand flushing and drainage chute adjacent to one end of the sand chamber with a gradient. The other end of the pool is connected to the water inlet pool, the trash rack is inclined in the water inlet pool, and the right end of the water inlet pool is provided with a water diversion pipe placement hole; the upper edge of the rear side of the pool body is integrally formed with an overflow weir; the above-mentioned linkage gate structure Set up inside the sloped grit chamber. The power of the natural river is effectively used to form a rotation and realize effective control, which can realize the automatic sewage discharge of the pressure front pool, and can also achieve the purpose of automatic sand discharge from the grit chamber.

Description

Forebay structural system for linkage of sewage discharge and sand discharge under action of water pressure

Technical Field

The invention relates to the technical field of environmental engineering, in particular to a forebay structural system for linkage of sewage discharge and sand discharge under the action of water pressure.

Background

The forebay is an important component of a water diversion building of a mountain power station and is a water diversion channel. The connecting structure between the pressure pipelines has the functions of distributing water flow, containing and storing water, reflecting water shock waves and the like, and also has the functions of facilitating the removal of dirt, silt, scum and the like. The grit chamber and the trash rack of the forebay are the main components for performing this function. Because the siltation of the forebay and the floating of the sewage on the water surface are common and harmful, it is extremely difficult to combine the sand removal and the sewage discharge of the forebay by using a mechanical automatic cleaning method in the prior art. If the mechanical linkage function can be reasonably utilized to play a role in rice, great convenience is brought to the sand and sewage discharge of the pressure forebay.

Disclosure of Invention

The invention aims to provide a forebay structural system with reasonable design and linkage of sewage discharge and sand discharge under the action of water pressure, which effectively utilizes the power of a natural river to form rotation and realize effective control, can realize automatic sewage discharge of a pressure forebay and can also achieve the purpose of automatic sand discharge of a grit chamber.

In order to achieve the purpose, the invention adopts the following technical scheme: it comprises a forebay structure and a linkage gate structure;

the forebay structure comprises a water channel, a wing wall, a transition section, a bay body, a sand washing and water draining chute cross beam, a grit chamber with gradient, an overflow weir, a trash rack, a maintenance stair and a water inlet pool; one end of the grit chamber with the gradient is communicated with one end of the chamber body, the other end of the chamber body is communicated with one end of the transition section, the other end of the transition section is communicated with the water channel, wing walls are arranged on the front side and the rear side of the transition section, a sand washing and water draining chute is arranged at the bottom of the chamber body, a longitudinal partition pier is integrally formed on the sand washing and water draining chute adjacent to one end of the grit chamber with the gradient, a sand washing and water draining chute cross beam is arranged on the longitudinal partition pier, the other end of the grit chamber with the gradient is communicated with the water inlet chamber, a trash rack is obliquely arranged in the water inlet chamber, and a water conduit accommodating hole is formed in the right end of the water inlet chamber in a; an overflow weir is integrally formed at the upper edge of the rear side of the tank body; the linkage gate structure is arranged in the grit chamber with the gradient and is adjacent to the water inlet tank; the sediment outflow gate in the linkage gate structure is arranged at the bottom of the grit chamber with the gradient, and the sewage discharge gate in the linkage gate structure is arranged at the rear of the upper side of the tank body and is adjacent to the overflow weir.

Furthermore, the linkage gate structure consists of a sewage discharge gate part, a middle linkage part and a sand discharge gate part;

the blowdown gate part comprises a blowdown gate, a blowdown gate rotating shaft, a fixed frame and a rolling bearing at the fixed frame; a sewage gate counterweight hole is formed in the side wall of the sewage gate, a sewage gate rotating shaft is fixedly penetrated in the sewage gate, two ends of the sewage gate rotating shaft are screwed on the fixed rack by utilizing a rolling bearing at the fixed rack, and the fixed rack is clamped and fixed on the upper edge of the rear side of the pool body;

the middle linkage part comprises an upper sewage discharge gate displacement commutator, a middle linkage rod and a lower sand discharge gate displacement commutator; the upper pollution discharge gate displacement commutator comprises an upper displacement commutator case, an upper triangular rod system structure, an upper hinged structure, an upper driving wheel central rolling bearing, an upper driven wheel central rolling bearing, an upper sliding toothed plate limit bolt and an upper case fixing bolt; an upper commutator machine case water baffle is fixed at one end of the upper side wall of the sewage discharge gate, the upper commutator machine case water baffle is arranged above an upper displacement commutator machine case, the upper displacement commutator machine case is arranged at one side of the sewage discharge gate, upper machine case fixing bolts are fixed at the upper end and the lower end of one side wall of the upper displacement commutator machine case, an upper driving wheel and an upper driven wheel are arranged in the upper displacement commutator machine case in a mutual meshing manner, wherein two ends of the upper driving wheel are screwed on the inner wall of the upper displacement commutator machine case by utilizing an upper driving wheel central rolling bearing, and two ends of the upper driven wheel are screwed on the inner wall of the upper displacement commutator machine case by utilizing an upper; one end of the upper hinge structure is screwed with the wheel surface of the upper driving wheel, the other end of the upper hinge structure is screwed with one end of the upper triangular rod system structure, and the other end of the upper triangular rod system structure is screwed with the outer side wall of the sewage gate; the upper driven wheel is meshed with the upper sliding toothed plate, two vertical edges of the upper sliding toothed plate are arranged in an upper sliding plate limiting groove formed in the inner wall of the upper displacement commutator case in an up-and-down sliding mode, an upper sliding toothed plate limiting bolt is fixed on the side wall of the upper displacement commutator case positioned in the middle of the upper sliding plate limiting groove, and the lower end of the upper sliding toothed plate is fixed at the upper end of the middle linkage rod; the lower sand discharge gate displacement commutator consists of a lower displacement commutator case, a lower triangular rod system structure, a lower hinged structure, a lower driving wheel central rolling bearing, a lower driven wheel central rolling bearing, a lower sliding toothed plate limit bolt and a lower case fixing bolt; the upper end and the lower end of one side wall of the lower displacement commutator case are both fixed with lower case fixing bolts, a lower driving wheel and a lower driven wheel are arranged in the lower displacement commutator case in a mutual meshing manner, wherein the two ends of the lower driving wheel are screwed on the inner wall of the middle displacement commutator case by using a lower driving wheel central rolling bearing, and the two ends of the lower driven wheel are screwed on the inner wall of the lower displacement commutator case by using a lower driven wheel central rolling bearing; one end of the lower hinged structure is screwed with the wheel surface of the lower driving wheel, and the other end of the lower hinged structure is screwed with one end of the lower triangular rod system structure after penetrating through the side wall of the spherical gate slot of the sand discharge gate; the lower driven wheel is meshed with the lower sliding toothed plate, the upper end of the lower sliding toothed plate is fixed at the lower end of the middle linkage rod, two vertical edges of the lower sliding toothed plate are arranged in a lower sliding plate limiting groove formed in the inner wall of the lower displacement commutator case in a vertically sliding mode, and a lower sliding toothed plate limiting bolt is fixed on the side wall of the lower displacement commutator case positioned in the middle of the lower sliding plate limiting groove;

the sand discharge gate part comprises a sand discharge gate, a sand discharge gate central rotating shaft, a sand discharge gate spherical gate slot, a sand discharge gate water inlet, a sand discharge gate water outlet, buttresses, a gate rolling bearing, limiting piers and a buffer spring; the other end of the lower triangular rod system structure is hinged with a sand discharge gate, a central rotating shaft of the sand discharge gate is fixedly inserted in the middle of the sand discharge gate, two ends of the central rotating shaft of the sand discharge gate are screwed in spherical gate grooves of the sand discharge gate by using a gate rolling bearing, limiting piers are fixed on the inner walls of the spherical gate grooves of the sand discharge gate positioned on the left side and the right side of the gate rolling bearing, a buffer spring is fixed on the lower side wall of each limiting pier, the other end of each buffer spring is movably abutted with a handle fixed on the central rotating shaft of the sand discharge gate, the spherical gate grooves of the sand discharge gate are fixed at the bottom of a sand basin with a slope by using supporting piers, one end of the spherical gate grooves of the sand discharge gate is connected with a water inlet of the sand discharge gate in a penetrating way, and the other end of the; the sand discharge gate is arranged in a hollow structure, the water facing surface of the sand discharge gate is arranged in a smooth arc surface structure, the water backing surface of the sand discharge gate is arranged in a curved structure, and a water inlet hole is formed in the curved structure;

when the water pressure on the downstream surface of the sewage discharge gate reaches a certain degree, the sewage discharge gate rotates around a rotary shaft of the sewage discharge gate to be opened, the rotary torque of the sewage discharge gate is transmitted to an upper driving wheel through the action of an upper hinged structure and an upper triangular rod system structure and drives the upper driving wheel to rotate, the upper driving wheel drives an upper driven wheel to rotate, and the upper driven wheel drives a lower sliding toothed plate on the right side to move upwards when rotating; the upper sliding toothed plate moves to drive the lower sliding toothed plate to move through the middle linkage rod, so that the lower sliding toothed plate generates upward displacement, the lower sliding toothed plate moves upward to drive the lower driving wheel meshed with the lower sliding toothed plate to rotate, the lower driving wheel drives the lower driven wheel to rotate, the rotating torque of the lower driven wheel transmits torque to the sand discharge gate through the lower triangular rod system structure and the lower hinged structure, the sand discharge gate is driven to rotate to open, and the sand discharge gate is opened, namely, the sewage discharge gate rotates to open under the action of water pressure, the rotating torque is transmitted to the sand discharge gate through the action of the upper sewage discharge gate displacement commutator, the middle linkage rod and the lower sand discharge gate displacement commutator, and the sand discharge gate rotates to open, so that the effect of linkage action of the sewage discharge gate and the sand discharge gate is achieved;

the desilting basin with the slope is connected with a water inlet of the sand discharge gate through a transition section, water flows into a spherical gate slot of the sand discharge gate, the sand discharge gate is tangent to the spherical gate slot and rotates around the center of a central rotating shaft of the sand discharge gate, the sand discharge gate is of a hollow structure, the upstream surface of the sand discharge gate is of an arc design, the back surface is of a curve design, a water inlet hole is formed in the position with a certain height of the back surface, when the upstream surface water level of the sewage discharge gate reaches a certain height, a moment is transmitted to the sand discharge gate through a middle linkage part, the moment and the upstream surface water pressure of the sand discharge gate act together, the sand discharge gate is rotated and opened, the opening of the sand discharge gate is restrained by a limiting pier, when the sand discharge gate is opened to a certain degree, water flows into the sand discharge gate through the water inlet hole on the back surface of the sand discharge gate, and when the water quantity in the sand discharge gate reaches a certain, when the acting force of the weight of the water body in the sand discharge gate and the dynamic water pressure borne by the back surface on the sand discharge gate is larger than the comprehensive action of the rotating moment transmitted by the middle linkage rod and the rightward dynamic water pressure borne by the upstream surface on the gate, the sand discharge gate rotates in the opposite direction, and the opening degree gradually decreases until the sand discharge gate is closed;

the dynamic water pressure of the upstream surface of the sand discharge gate, the weight of the water body in the sand discharge gate and the rotation torque transmitted by the sewage discharge gate through the middle linkage rod jointly complete the position adjustment of the rotary sand discharge gate, the sand discharge gate is in a balanced position under the conditions of a certain water inflow and a certain flow rate, the sand discharge gate can reach transient position balance under the combined action of the rightward dynamic water pressure of the upstream surface, the dynamic water pressure of the back surface and three forces in the position adjustment process of the sand discharge gate, and once the water inflow or the flow rate of water changes, the sand discharge gate automatically adjusts the balanced position;

the sewage discharge gate is opened in a rotating mode under the action of water pressure, the moment of force is transmitted to the gear combination through the upper triangular rod system structure and the upper hinged structure and is further transmitted to the upper sliding toothed plate, two vertical edges of the upper sliding toothed plate are arranged in the upper sliding plate limiting groove in a vertically sliding mode through the upper sliding toothed plate limiting bolt, the maximum limit of upward sliding is the top of the case, and the maximum limit of downward sliding is the bottom of the case; the purpose of limiting the rotation degree of gears (an upper driven wheel and an upper driving wheel) is achieved by limiting the displacement of the upper sliding toothed plate 15, and the purpose of limiting the opening degree of the sewage gate is achieved by an upper two-angle rod structure;

in the rotation process of the sand discharge gate, the sand discharge gate is influenced by the upstream surface hydrodynamic pressure, the back surface hydrodynamic pressure, the weight of the water body in the sand discharge gate, the self weight of the sand discharge gate, the geometric spatial arrangement of the sand discharge gate, the size relation of the sand discharge gate and the like, and if the sand discharge gate is not limited, the function of the sand discharge gate cannot reach an ideal state; in order to effectively control the rotation degree of the sand discharge gate, fixed handles are arranged at two ends of a central rotating shaft of the sand discharge gate, the handles rotate along with the central rotating shaft of the sand discharge gate, limiting piers are arranged in a certain range at two sides of the gate rolling bearing, each limiting pier is a trapezoidal section, a buffer spring is arranged at one side of each limiting pier facing to the position of the rotating shaft, under the action of water pressure, the central rotating shaft of the sand discharge gate drives the sand discharge gate to rotate anticlockwise, the sand discharge gate is opened, when the sand discharge gate is opened to a certain degree, the handles at two ends of the central rotating shaft of the sand discharge gate contact the buffer spring, the limiting pier generates pressure on the buffer spring, the rotation of the central rotating shaft of the sand discharge gate and the rotation of the sand discharge gate are limited by the limiting pier through the buffer spring, and the buffer spring protects the limiting pier and a handle on the central rotating shaft of the sand discharge gate; in the whole limiting rotation process, the limiting piers are kept still, the shaft end handle is driven to rotate to act on the buffer spring when the central rotation shaft of the sand discharge gate rotates, and the central rotation shaft of the sand discharge gate and the sand discharge gate work in the rotation range all the time under the combined action of the handle on the central rotation shaft of the sand discharge gate, the limiting piers and the buffer spring.

Furthermore, the intake pond in be equipped with maintenance stair, maintenance stair's lower extreme sets up at the bottom of the pool of intake pond, maintenance stair's top and the top intercommunication setting of body of the pool.

The working principle of the invention is as follows: the bottom of the tank body is provided with a sand washing and water draining chute with a positive slope, and the sand washing and water draining chute is provided with a longitudinal partition pier, so that backflow and bias flow generated in the tank when part of units run are avoided, the length of the tank is shortened, the water passing section of a forebay is reduced, the flow speed in the tank is increased, and silt deposition is prevented; the transverse beams are distributed on the longitudinal partition piers, so that the energy dissipation effect is achieved, the flow silt tends to be stable before reaching the grit chamber, the silt reaches the grit chamber with the slope under the action of stable flow and a chute with the positive slope, and the bottom silt slides to the water inlet of the sand discharge gate in the linkage gate structure under the action of the grit chamber with the positive slope, so that the sand discharge of the sand discharge gate is facilitated; the sewage discharge gate in the linkage gate structure drives the sand discharge gate in the linkage gate structure to rotate through the middle linkage part in the linkage gate structure, and sand can be discharged while sewage is discharged, so that the combined benefit of sewage discharge and sand discharge is realized.

After the structure is adopted, the invention has the beneficial effects that the invention provides the forebay structural system for linkage of sewage discharge and sand discharge under the action of water pressure, the power of a natural river is effectively utilized, rotation is formed, effective control is realized, the automatic sewage discharge of the pressure forebay can be realized, and the purpose of automatic sand discharge of the grit chamber can be also achieved.

Description of the drawings:

FIG. 1 is a schematic structural view of the linkage gate structure of the present invention in an open state.

Fig. 2 is a front view of the interlocking gate structure of the present invention in an open state.

Fig. 3 is a top view of fig. 2.

Fig. 4 is a right side view of fig. 2.

Fig. 5 is a left side view of fig. 2.

Fig. 6 is a sectional view taken along line a-a in fig. 3.

Fig. 7 is a sectional view taken along line B-B in fig. 3.

Fig. 8 is a sectional view taken along line C-C in fig. 2.

Fig. 9 is a sectional view taken along line D-D in fig. 2.

Fig. 10 is a sectional view taken along line E-E in fig. 2.

Fig. 11 is a sectional view taken along line F-F in fig. 2.

Fig. 12 is a schematic structural view of the interlocking gate structure in a closed state.

Fig. 13 is a front view of the interlock gate structure in a closed state in the present invention.

Fig. 14 is a top view of fig. 13.

Fig. 15 is a right side view of fig. 13.

Fig. 16 is a left side view of fig. 13.

Fig. 17 is a sectional view taken along line G-G in fig. 14.

Fig. 18 is a sectional view taken along line H-H in fig. 14.

Fig. 19 is a sectional view taken along line I-I in fig. 13.

Fig. 20 is a sectional view taken along line J-J in fig. 13.

Fig. 21 is a cross-sectional view taken along line K-K in fig. 13.

Fig. 22 is a sectional view taken along line L-L in fig. 13.

FIG. 23 is a schematic view showing the structure of the lock gate of the present invention.

FIG. 24 is a front view of the lock gate structure of the present invention.

FIG. 25 is a schematic diagram of the operation of the waste gate of the linked gate structure of the present invention in which the intermediate linked portion is used to drive the sand discharge gate.

FIG. 26 is a schematic diagram of the operation of the sand discharge gate in the ganged gate structure of the present invention.

FIG. 27 is an operational schematic of the intermediate linkage portion of the present invention.

FIG. 28 is a schematic diagram of the operation of the sand discharge gate in the ganged gate structure of the present invention.

Description of reference numerals:

the device comprises awater channel 1, awing wall 2, atransition section 3, atank body 4, a sand washing andwater draining chute 5, a sand washing and waterdraining chute beam 6, asand setting tank 7 with gradient, anoverflow weir 8, alinkage gate structure 9, a sewage gate 9-1, a sewage gate rotating shaft 9-2, a sewage gate counterweight hole 9-3, a fixed frame 9-4, a fixed frame rolling bearing 9-5, an upper sewage gate displacement commutator 9-6, an upper displacement commutator case 9-7, an upper commutator case water baffle 9-8, an upper triangular rod system structure 9-9, an upper hinge structure 9-10, an upper driving wheel 9-11, an upper driving wheel center rolling bearing 9-12, an upper driven wheel 9-13, an upper driven wheel center rolling bearing 9-14, an upper sliding toothed plate 9-15, a sand washing and water draining chute beam, 9-16 parts of upper sliding plate limiting groove, 9-17 parts of upper sliding toothed plate limiting bolt, 9-18 parts of upper case fixing bolt, 9-19 parts of middle linkage rod, 9-20 parts of sand discharge gate, 9-21 parts of sand discharge gate central rotating shaft, 9-22 parts of sand discharge gate spherical gate groove, 9-23 parts of sand discharge gate water inlet, 9-24 parts of sand discharge gate water outlet, 9-25 parts of buttress, 9-26 parts of gate rolling bearing, 9-27 parts of limiting pier, 9-28 parts of buffer spring, 9-29 parts of lower sand discharge gate displacement reverser, 9-30 parts of lower displacement reverser case, 9-32 parts of lower triangular rod system structure, 9-31 parts of lower hinged structure, 9-33 parts of lower driving wheel, 9-34 parts of lower driving wheel central, 9-35 parts of rolling bearing, and lower driven wheel, The device comprises a lower driven wheel central rolling bearing 9-36, a lower sliding toothed plate 9-37, a lower sliding plate limiting groove 9-38, a lower sliding toothed plate limiting bolt 9-39, a lower case fixing bolt 9-40, atrash rack 10, anoverhaul stair 11, awater inlet tank 12 and a waterconduit arrangement hole 13.

The specific implementation mode is as follows:

the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1 to 24, the following technical solutions are adopted in the present embodiment: it comprises a forebay structure and alinkage gate structure 9;

the forebay structure comprises awater channel 1, awing wall 2, agradual change section 3, abay body 4, a sand washing andwater draining chute 5, a sand washing and water drainingchute cross beam 6, agrit chamber 7 with gradient, anoverflow weir 8, atrash rack 10, anoverhaul stair 11 and awater inlet pool 12; one end of agrit chamber 7 with gradient is communicated with one end of achamber body 3, the other end of thechamber body 3 is communicated with one end of atransition section 2, the other end of thetransition section 2 is communicated with awater channel 1,wing walls 4 are arranged on the front side and the rear side of thetransition section 2, a sand washing andwater draining chute 5 is arranged at the bottom of thechamber body 3, a longitudinal partition pier is integrally formed on the sand washing andwater draining chute 5 adjacent to one end of thegrit chamber 7 with gradient, a sand washing and water drainingchute cross beam 6 is arranged on the longitudinal partition pier, the other end of thegrit chamber 7 with gradient is communicated with awater inlet tank 12, atrash rack 10 is obliquely arranged in thewater inlet tank 12, and a waterconduit mounting hole 13 is arranged at the right end of thewater inlet tank 12 in a communicated manner; anoverflow weir 8 is integrally formed at the upper edge of the rear side of thetank body 3; thelinkage gate structure 9 is arranged inside thegrit chamber 7 with the gradient and is adjacent to thewater inlet tank 12; a sand discharge gate in thelinkage gate structure 9 is arranged at the bottom of thegrit chamber 7 with gradient, and a sewage discharge gate in thelinkage gate structure 9 is arranged at the rear of the upper side of thetank body 3 and is adjacent to theoverflow weir 8;

thelinkage gate structure 9 consists of a sewage discharge gate part, a middle linkage part and a sand discharge gate part;

the blowdown gate part comprises a blowdown gate 9-1, a blowdown gate rotating shaft 9-2, a fixed frame 9-4 and a rolling bearing 9-5 at the fixed frame; a sewage gate counterweight hole 9-3 is formed in the side wall of the sewage gate 9-1, a sewage gate rotating shaft 9-2 is fixedly arranged in the sewage gate 9-1 in a penetrating manner, two ends of the sewage gate rotating shaft 9-2 are rotatably connected to a fixed rack 9-4 by utilizing a rolling bearing 9-5 at the fixed rack, and the fixed rack 9-4 is clamped and fixed on the upper edge of the rear side of thepool body 3;

the middle linkage part comprises an upper sewage discharge gate displacement reverser 9-6, a middle linkage rod 9-19 and a lower sand discharge gate displacement reverser 9-29; the upper pollution discharge gate displacement reverser 9-6 consists of an upper displacement reverser case 9-7, an upper double-angle rod system structure 9-9, an upper hinge structure 9-10, an upper driving wheel 9-11, an upper driving wheel central rolling bearing 9-12, an upper driven wheel 9-13, an upper driven wheel central rolling bearing 9-14, an upper sliding toothed plate 9-15, an upper sliding toothed plate limit bolt 9-17 and an upper case fixing bolt 9-18; one end of the upper side wall of the sewage gate 9-1 is fixed with an upper commutator case water baffle 9-8, and the upper commutator machine case water baffle 9-8 is erected above the upper displacement commutator machine case 9-7, the upper displacement commutator machine case 9-7 is arranged at one side of the sewage discharge gate 9-1, upper machine case fixing bolts 9-18 are fixed at the upper end and the lower end of one side wall of the upper machine case, an upper driving wheel 9-11 and an upper driven wheel 9-13 are arranged in the upper displacement reverser machine case 9-7 in a mutually meshed manner, wherein, two ends of the upper driving wheel 9-11 are screwed on the inner wall of the upper displacement commutator case 9-7 by the upper driving wheel central rolling bearing 9-12, and two ends of the upper driven wheel 9-13 are screwed on the inner wall of the upper displacement commutator case 9-7 by the upper driven wheel central rolling bearing 9-14; one end of the upper hinge structure 9-10 is rotatably connected with the wheel surface of the upper driving wheel 9-11, the other end of the upper hinge structure 910 is rotatably connected with one end of the upper triangular rod system structure 9-9, and the other end of the upper triangular rod system structure 9-9 is rotatably connected with the outer side wall of the sewage gate 9-1; the upper driven wheel 9-13 is meshed with the upper sliding toothed plate 9-15, two vertical edges of the upper sliding toothed plate 9-15 are vertically and slidably arranged in an upper sliding plate limiting groove 9-16 formed in the inner wall of the upper displacement commutator case 9-7, an upper sliding toothed plate limiting bolt 9-17 is fixed on the side wall of the upper displacement commutator case 9-7 positioned in the middle of the upper sliding plate limiting groove 9-16, and the lower end of the upper sliding toothed plate 9-15 is fixed at the upper end of a middle linkage rod 9-19; the lower sand discharge gate displacement reverser 9-29 is composed of a lower displacement reverser case 9-30, a lower triangular rod system structure 9-32, a lower hinge structure 9-31, a lower driving wheel 9-33, a lower driving wheel central rolling bearing 9-34, a lower driven wheel 9-35, a lower driven wheel central rolling bearing 9-36, a lower sliding toothed plate 9-37, a lower sliding toothed plate limit bolt 9-39 and a lower case fixing bolt 9-40; the upper end and the lower end of one side wall of the lower displacement commutator case 9-30 are both fixed with lower case fixing bolts 9-40, a lower driving wheel 9-35 and a lower driven wheel 9-35 are arranged in the lower displacement commutator case 9-30 in a mutually meshed manner, wherein the two ends of the lower driving wheel 9-33 are screwed on the inner wall of the lower displacement commutator case 9-30 by using a lower driving wheel central rolling bearing 9-34, and the two ends of the lower driven wheel 9-35 are screwed on the inner wall of the lower displacement commutator case 9-30 by using a lower driven wheel central rolling bearing 9-36; one end of the lower hinged structure 9-31 is screwed with the wheel surface of the lower driving wheel 9-33, and the other end of the lower hinged structure 9-31 is screwed with one end of the lower triangular rod system structure 9-32 after penetrating through the side wall of the spherical gate slot 9-22 of the sand discharge gate; the lower driven wheels 9-35 are meshed with the lower sliding toothed plates 9-37, the upper ends of the lower sliding toothed plates 9-37 are fixed at the lower ends of the middle linkage rods 9-19, two vertical edges of the lower sliding toothed plates 9-37 are vertically and slidably arranged in lower sliding plate limiting grooves 9-38 formed in the inner walls of the lower displacement commutator boxes 9-30, and lower sliding toothed plate limiting bolts 9-39 are fixed on the side walls of the lower displacement commutator boxes 9-30 positioned in the middle of the lower sliding plate limiting grooves 9-38;

the sand discharge gate part comprises 9-20 parts of a sand discharge gate, 9-21 parts of a central rotating shaft of the sand discharge gate, 9-22 parts of a spherical gate slot of the sand discharge gate, 9-23 parts of a water inlet of the sand discharge gate, 9-24 parts of a water outlet of the sand discharge gate, 9-25 parts of buttresses, 9-26 parts of a gate rolling bearing, 9-27 parts of limiting piers and 9-28 parts of buffer springs; the other end of the lower triangular rod system structure 9-32 is hinged with the sand discharge gate 9-20, the middle part of the sand discharge gate 9-20 is fixedly inserted with a sand discharge gate central rotating shaft 9-21, two ends of the sand discharge gate central rotating shaft 9-21 are screwed on the sand discharge gate spherical gate grooves 9-22 by using gate rolling bearings 9-26, the inner walls of the sand discharge gate spherical gate grooves 9-22 positioned at the left and right sides of the gate rolling bearings 9-26 are respectively and fixedly provided with limit piers 9-27, the upper side walls of the limit piers 9-27 are fixedly provided with buffer springs 9-28, the other ends of the buffer springs 9-28 are respectively and movably abutted with handles fixed on the sand discharge gate central rotating shaft 9-21, the sand discharge gate spherical gate grooves 9-22 are fixed at the bottom of thegrit chamber 7 with gradient by using support piers 9-23, one end of the spherical gate groove 9-22 of the sand discharge gate is connected with a water inlet 9-23 of the sand discharge gate in a through way, and the other end of the spherical gate groove 9-22 of the sand discharge gate is connected with a water outlet 9-24 of the sand discharge gate in a through way; the sand discharge gates 9-20 are arranged in a hollow structure, the upstream surface of the sand discharge gates is arranged in a smooth arc surface structure, the back surface of the sand discharge gates is arranged in a curved structure, and water inlet holes are formed in the curved structure;

theintake pool 12 in be equipped withmaintenance stair 11,maintenance stair 11's lower extreme sets up at the bottom of the pool ofintake pool 12,maintenance stair 11's top and the top intercommunication setting of body of thepool 3.

The working principle of the specific embodiment is as follows:

referring to fig. 5, the bottom of thetank body 3 is provided with a sand washing andwater draining chute 5 with a positive slope, and the sand washing andwater draining chute 5 is provided with a longitudinal partition pier to avoid backflow and bias flow in the tank when part of the unit operates, so that the length of the tank is shortened, the water passing section of the forebay is reduced, the flow velocity in the tank is increased, and silt is prevented from depositing; the transverse beams are distributed on the longitudinal partition piers, so that the energy dissipation effect is achieved, the flow silt tends to be stable before reaching the grit chamber, the silt reaches thegrit chamber 7 with the slope under the action of stable flow and a chute with the positive slope, and the bottom silt slides to the water inlet of the sand discharge gate in the linkage gate structure under the action of thegrit chamber 7 with the positive slope, so that the sand discharge of the sand discharge gate is facilitated;

referring to fig. 25, when the water pressure on the upstream side of the sewage gate 9-1 reaches a certain degree, the sewage gate 9-1 is rotated and opened around a sewage gate rotating shaft 9-2, the rotating angle is W1, the rotating moment of the sewage gate 9-1 is transmitted to an upper driving wheel 9-11 through the action of an upper hinge structure 9-10 and an upper triangular rod system structure 9-9, and drives the upper driving wheel 9-11 to rotate, the rotating angle is W2, the upper driving wheel 9-11 drives an upper driven wheel 9-13 to rotate, the rotating angle is W3, and the upper driven wheel 9-13 drives an upper sliding toothed plate 9-15 on the right side to move upwards when rotating, and the moving displacement is L1; the movement of the upper sliding toothed plates 9-15 drives the movement of the lower sliding toothed plates 9-37 through the middle linkage rods 9-19, so that the lower sliding toothed plates 9-37 generate upward displacement L2, the lower sliding toothed plates 9-37 move upward to drive the lower driving wheels 9-33 engaged with the lower sliding toothed plates 9-37 to rotate, the rotation angle of the lower driving wheels 9-33 is W4, the lower driving wheels 9-33 drive the lower driven wheels 9-35 to rotate, the rotation angle of the lower driven wheels 9-35 is W5, the rotation moment of the lower driven wheels 9-35 transmits moment to the sand discharge gates 9-20 through the lower triangular rod system structures 9-32 and the lower hinge structures 9-31 to drive the sand discharge gates 9-20 to rotate and open, the rotation angle is W6, the sand discharge gates 9-20 are opened, namely, the sewage discharge gate 9-1 rotates and opens under the action of water pressure, the rotary moment is transmitted to the sand discharge gate 9-20 through the action of the upper sewage discharge gate displacement reverser 9-6, the middle linkage rod 9-19 and the lower sand discharge gate displacement reverser 9-29, and the sand discharge gate 9-20 is rotated and opened, so that the effect of linkage action of the sewage discharge gate 9-1 and the sand discharge gate 9-20 is achieved;

referring to fig. 26, the grit chamber 7 with slope is connected with the water inlet 9-23 of the sand discharging gate through the transition section 2, the water flows into the spherical gate slot 9-22 of the sand discharging gate, the sand discharging gate 9-20 rotates around the center of the rotating shaft 9-21 of the sand discharging gate tangent to the spherical gate slot 9-22 of the sand discharging gate, the sand discharging gate 9-20 is hollow, the water facing surface of the sand discharging gate 9-20 is arc-shaped, the water backing surface is curve-shaped, a water inlet hole is arranged at a certain height of the water backing surface, when the water level of the water facing surface of the sewage discharging gate 9-1 reaches a certain height, the moment is transmitted to the sand discharging gate 9-20 through the middle linkage part, the moment and the water pressure of the water facing surface of the sand discharging gate 9-20 act together, the sand discharging gate 9-20 rotates to open, and the opening of the sand discharging gate 9-20 is restricted by the limit piers 9-27, when the sand discharge gate 9-20 is opened to a certain degree, water flows into the sand discharge gate 9-20 through a water inlet hole on the back surface of the sand discharge gate 9-20, when the water quantity in the sand discharge gate 9-20 reaches a certain degree, the self weight of the sand discharge gate 9-20 is increased, the rightward dynamic water pressure borne by the upstream surface is F1, the leftward dynamic water pressure borne by the back surface is F2, the weight of the water body in the sand discharge gate 9-20 is downward G, the sewage discharge gate 9-1 transmits a rotating moment M through a middle linkage rod 9-19, when the acting force of G and F2 on the sand discharge gate 9-20 is greater than the comprehensive action of M and F1 on the gate, the sand discharge gate 9-20 rotates in the opposite direction, and the opening degree gradually decreases until the sand discharge gate is closed;

the dynamic water pressure of the upstream surface of the sand discharge gate 9-20, the weight of the water body in the sand discharge gate 9-20 and the rotation moment transmitted by the sewage discharge gate 9-1 through the middle linkage rod 9-19 jointly complete the position adjustment of the rotary sand discharge gate 9-20, under the condition of a certain water inflow and flow rate, the sand discharge gate 9-20 is in a balance position, the dynamic water pressure of the upstream surface is F1 in the process of adjusting the position of the sand discharge gate 9-20, the dynamic water pressure of the downstream surface is F2 in the process of adjusting the position of the sand discharge gate 9-20, the weight of the water body in the sand discharge gate 9-20 is downward G, the sewage discharge gate 9-1 can achieve transient position balance through the rotation moment M transmitted by the middle linkage rod 9-19 under the combined action of the three forces, and once the water inflow or the flow rate changes, the sand discharge gate 9-20 automatically adjusts the balance position;

referring to fig. 27, the sewage gate 9-1 is opened by rotation under the action of water pressure, the moment of force is transmitted to the gear combination through the upper triangular rod system structure 9-9 and the upper hinge structure 9-10 and further transmitted to the upper sliding toothed plate 9-15, the two vertical edges of the upper sliding toothed plate 9-15 are arranged in the upper sliding plate limit groove 9-16 by the upper sliding toothed plate limit bolt 9-17 in a vertical sliding manner, the maximum limit of upward sliding is the top of the case, and the maximum limit of downward sliding is the bottom of the case; the purpose of limiting the rotation degree of gears (an upper driven wheel 9-13 and an upper driving wheel 9-11) is achieved by limiting the displacement of the upper sliding toothed plate 15, and the purpose of limiting the opening degree of the sewage gate 9-1 is achieved by the upper triangular rod system structure 9-9;

referring to fig. 28, in the rotation process of the sand discharge gate 9-20, the influence of the upstream surface hydrodynamic pressure, the back surface hydrodynamic pressure, the weight of the water body in the sand discharge gate 9-20, the self weight of the sand discharge gate 9-20, the geometric spatial arrangement and the dimensional relationship of the sand discharge gate 9-20 is exerted, and if no limitation is imposed, the function of the sand discharge gate 9-20 cannot reach an ideal state; in order to effectively control the rotation degree of the sand discharge gate 9-20, two ends of a central rotating shaft 9-21 of the sand discharge gate are provided with fixed handles, the handles rotate along with the central rotating shaft 9-21 of the sand discharge gate, limit piers 9-27 are arranged in a certain range at two sides of a rolling bearing 9-26 of the gate, the limit piers 9-27 are trapezoidal sections, one side of the limit piers 9-27 facing the position of the rotating shaft is provided with buffer springs 9-28, the central rotating shaft 9-21 of the sand discharge gate drives the sand discharge gate 9-20 to rotate anticlockwise under the action of water pressure, the sand discharge gate 9-20 is opened, when the sand discharge gate 9-20 is opened to a certain degree, the handles at two ends of the central rotating shaft 9-21 of the sand discharge gate are contacted with the buffer springs 9-28 and generate pressure on the buffer springs 9-28, the limit piers 9-27 limit the rotation of the central rotating shaft 9-21 of the sand discharge gate and the rotation of the central rotating shaft 9-20 of the sand discharge gate through the buffer springs 9-28, and the buffer springs 9-28 protect the limit piers 9-27 and the handles on the central rotating shaft 9-21 of the sand discharge gate; in the whole rotation limiting process, the limiting piers 9-27 are kept still, the shaft end handle is driven to rotate to act on the buffer springs 9-28 while the central rotating shaft 9-21 of the sand discharge gate rotates, and the central rotating shaft 9-21 of the sand discharge gate and the sand discharge gate 9-20 can work in the rotating range all the time through the combined action of the handle on the central rotating shaft 9-21 of the sand discharge gate, the limiting piers 9-27 and the buffer springs 9-28.

After adopting above-mentioned structure, this embodiment's beneficial effect is as follows:

1. the sand in the sand washing water drainage channel is better precipitated and discharged by utilizing the design of the sand washing water drainage chute and the grit chamber with the gradient;

2. the design of longitudinal partition piers and cross beams in the sand washing and water draining flow groove is utilized, so that the energy dissipation effect is achieved, and the water flow silt tends to be stable before reaching the grit chamber;

3. the linkage rotation of the sewage discharge gate and the sand discharge gate is realized by utilizing the connection effect of the middle linkage part on the sewage discharge gate and the sand discharge gate, so that the sewage discharge and the sand discharge are simultaneously carried out;

4. the automatic rotation of the gate is achieved by utilizing the rotation mechanical energy of the water flow to the hollow gate and the structural design of the gate;

5. by utilizing the design of the limiting pier, the buffer spring and the handle, the aim of ensuring the automatic rotation of the sewage discharge gate and the sand discharge gate under the action of water pressure is fulfilled, and the rotation degree of the gates is limited;

6. the movement of the displacement reverser (namely the displacement reverser of the upper sewage discharge gate and the displacement reverser of the lower sand discharge gate) is limited by the design of the limiting bolts (namely the limiting bolts of the upper sliding toothed plate and the limiting bolts of the lower sliding toothed plate), and the rotation degree of the gate is further controlled.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the invention can be made, and equivalents and modifications of some features of the invention can be made without departing from the spirit and scope of the invention.

Claims (4)

Translated fromChinese

1.一种水压力作用下排污与排沙联动的前池结构系统，其特征在于：它包含前池结构和联动闸门结构(9)；1. the fore pond structure system of sewage and sand discharge linkage under the action of water pressure, it is characterized in that: it comprises fore pond structure and linkage gate structure (9);上述前池结构由引水渠(1)、翼墙(4)、渐变段(2)、池身(3)、冲砂泄水溜槽(5)、冲砂泄水溜槽横梁(6)、带坡度沉砂池(7)、溢流堰(8)、拦污栅(10)、检修楼梯(11)和进水池(12)；带坡度沉砂池(7)的一端与池身(3)的一端贯通设置，池身(3)的另一端与渐变段(2)的一端贯通设置，渐变段(2)的另一端与引水渠(1)贯通设置，渐变段(2)的前后两侧设有翼墙(4)，池身(3)的底部设有冲砂泄水溜槽(5)，相邻于带坡度沉砂池(7)一端的冲砂泄水溜槽(5)上一体成型有纵向隔墩，且纵向隔墩上设有冲砂泄水溜槽横梁(6)，带坡度沉砂池(7)的另一端与进水池(12)贯通设置，拦污栅(10)倾斜设置在进水池(12)内，进水池(12)的右端贯通开设有引水管安置孔(13)；池身(3)的后侧上边缘一体成型有溢流堰(8)；上述联动闸门结构(9)设置在带坡度沉砂池(7)内部，且与进水池(12)相邻设置；联动闸门结构(9)中的排沙闸门设置在带坡度沉砂池(7)的底部，联动闸门结构(9)中的排污闸门设置在池身(3)的上侧后方，且与溢流堰(8)相邻设置。The above-mentioned front pool structure is composed of a diversion channel (1), a wing wall (4), a transition section (2), a pool body (3), a sand flushing and drainage chute (5), a sand flushing and drainage chute beam (6), and a belt slope. Grit chamber (7), overflow weir (8), trash rack (10), maintenance stairs (11) and water inlet pool (12); one end of the grit chamber (7) with a gradient is connected to the tank body (3) One end is connected through, the other end of the pool body (3) is connected with one end of the gradual change section (2), the other end of the gradual change section (2) is connected through the aqueduct (1), and the front and rear sides of the gradual change section (2) are set through. There is a wing wall (4), the bottom of the pool body (3) is provided with a sand flushing and drainage chute (5), and the sand flushing drainage chute (5) adjacent to one end of the sand chamber (7) with a gradient is integrally formed with a sand flushing drainage chute (5). The longitudinal partition pier is provided with a sand flushing and drainage chute beam (6), the other end of the grit chamber (7) with a gradient is arranged through the inlet tank (12), and the trash rack (10) is inclined and arranged at the In the water inlet pool (12), the right end of the water inlet pool (12) is provided with a water diversion pipe placement hole (13); the upper edge of the rear side of the pool body (3) is integrally formed with an overflow weir (8); the above-mentioned linkage gate structure ( 9) It is arranged inside the sand chamber (7) with a gradient, and is arranged adjacent to the inlet pool (12); The sewage gate in the gate structure (9) is arranged behind the upper side of the pool body (3), and is arranged adjacent to the overflow weir (8).2.根据权利要求1所述的一种水压力作用下排污与排沙联动的前池结构系统，其特征在于：所述的联动闸门结构(9)由排污闸门部分、中间联动部分和排沙闸门部分构成；2. A kind of fore-pond structure system for sewage discharge and sand discharge linkage under the action of water pressure according to claim 1, it is characterized in that: described linkage gate structure (9) is composed of sewage discharge gate part, intermediate linkage part and sand discharge Part of the gate;上述排污闸门部分包含排污闸门(9-1)、排污闸门旋转轴(9-2)、固定机架(9-4)和固定机架处滚动轴承(9-5)；排污闸门(9-1)的侧壁上开设有排污闸门配重孔(9-3)，排污闸门(9-1)内穿设固定有排污闸门旋转轴(9-2)，排污闸门旋转轴(9-2)的两端利用固定机架处滚动轴承(9-5)旋接在固定机架(9-4)上，固定机架(9-4)夹设固定在池身(3)的后侧上边缘上；The above-mentioned sewage gate part comprises a sewage gate (9-1), a sewage gate rotating shaft (9-2), a fixed frame (9-4) and a rolling bearing (9-5) at the fixed frame; the sewage gate (9-1) A sewage gate counterweight hole (9-3) is opened on the side wall of the sluice gate (9-1). The end is screwed on the fixed frame (9-4) by the rolling bearing (9-5) at the fixed frame, and the fixed frame (9-4) is clamped and fixed on the upper edge of the rear side of the pool body (3);上述中间联动部分包含上部排污闸门位移换向器(9-6)、中间联动杆(9-19)和下部排沙闸门位移换向器(9-29)；其中上部排污闸门位移换向器(9-6)由上部位移换向器机箱(9-7)、上部三角杆系结构(9-9)、上部铰接结构(9-10)、上部主动轮(9-11)、上部主动轮中心滚动轴承(9-12)、上部从动轮(9-13)、上部从动轮中心滚动轴承(9-14)、上部滑动齿板(9-15)、上部滑动齿板限位螺栓(9-17)、上部机箱固定螺栓(9-18)构成；排污闸门(9-1)的上侧壁一端固定有上部换向器机箱挡水板(9-8)，且上部换向器机箱挡水板(9-8)架设在上部位移换向器机箱(9-7)的上方，上部位移换向器机箱(9-7)设置在排污闸门(9-1)的一侧，且其一侧壁上下两端均固定有上部机箱固定螺栓(9-18)，上部位移换向器机箱(9-7)内相互啮合设置有上部主动轮(9-11)和上部从动轮(9-13)，其中上部主动轮(9-11)的两端利用上部主动轮中心滚动轴承(9-12)旋接在上部位移换向器机箱(9-7)的内壁上，上部从动轮(9-13)的两端利用上部从动轮中心滚动轴承(9-14)旋接在上部位移换向器机箱(9-7)的内壁；上述上部铰接结构(9-10)的一端与上部主动轮(9-11)的轮面旋接，上部铰接结构(9-10)的另一端与上部三角杆系结构(9-9)的一端旋接，上部三角杆系结构(9-9)的另一端与排污闸门(9-1)的外侧壁旋接；上述上部从动轮(9-13)与上部滑动齿板(9-15)啮合设置，上部滑动齿板(9-15)的两垂直边上下滑动设置在开设于上部位移换向器机箱(9-7)内壁的上部滑动板限位槽(9-16)中，位于上部滑动板限位槽(9-16)中部的上部位移换向器机箱(9-7)的则壁上固定有上部滑动齿板限位螺栓(9-17)，上述上部滑动齿板(9-13)的下端固定在中间联动杆(9-19)的上端；上述下部排沙闸门位移换向器(9-29)由下部位移换向器机箱(9-30)、下部三角杆系结构(9-32)、下部铰接结构(9-31)、下部主动轮(9-33)、下部主动轮中心滚动轴承(9-34)、下部从动轮(9-35)、下部从动轮中心滚动轴承(9-36)、下部滑动齿板(9-37)、下部滑动齿板限位螺栓(9-39)和下部机箱固定螺栓(9-40)构成；下部位移换向器机箱(9-30)的一侧壁上下两端均固定有下部机箱固定螺栓(9-40)，下部位移换向器机箱(9-30)内相互啮合设置有下部主动轮(9-33)和下部从动轮(9-35)，其中下部主动轮(9-33)的两端利用下部主动轮中心滚动轴承(9-34)旋接在下部位移换向器机箱(9-30)的内壁上，下部从动轮(9-35)的两端利用下部从动轮中心滚动轴承(9-36)旋接在下部位移换向器机箱(9-30)的内壁；上述下部铰接结构(9-31)的一端与下部主动轮(9-33)的轮面旋接，下部铰接结构(9-31)的另一端穿过排沙闸门球形闸门槽(9-22)的侧壁后，与下部三角杆系结构(9-32)的一端旋接；上述下部从动轮(9-35)与下部滑动齿板(9-37)啮合设置，下部滑动齿板(9-37)的上端固定在中间联动杆(9-19)的下端，下部滑动齿板(9-37)的两垂直边上下滑动设置在开设于下部位移换向器机箱(9-30)内壁的下部滑动板限位槽(9-38)中，位于下部滑动板限位槽(9-38)中部的下部位移换向器机箱(9-30)的侧壁上固定有下部滑动齿板限位螺栓(9-39)；The above-mentioned intermediate linkage part includes an upper sewage gate displacement commutator (9-6), an intermediate linkage rod (9-19) and a lower sand discharge gate displacement commutator (9-29); wherein the upper sewage gate displacement commutator ( 9-6) It consists of the upper displacement commutator case (9-7), the upper triangular rod system (9-9), the upper hinge structure (9-10), the upper driving wheel (9-11), the upper driving wheel center Rolling bearing (9-12), upper driven wheel (9-13), upper driven wheel center rolling bearing (9-14), upper sliding tooth plate (9-15), upper sliding tooth plate limit bolt (9-17), The upper casing is composed of fixing bolts (9-18); one end of the upper side wall of the sewage gate (9-1) is fixed with the upper commutator casing water baffle (9-8), and the upper commutator casing water baffle (9). -8) It is erected above the upper displacement commutator case (9-7), and the upper displacement commutator case (9-7) is arranged on one side of the sewage gate (9-1), and one side wall is two up and down. Both ends are fixed with upper chassis fixing bolts (9-18), and the upper displacement commutator chassis (9-7) is intermeshed with an upper driving wheel (9-11) and an upper driven wheel (9-13). Both ends of the driving wheel (9-11) are screwed on the inner wall of the upper displacement commutator case (9-7) by using the upper driving wheel center rolling bearing (9-12), and the two ends of the upper driven wheel (9-13) The upper driven wheel central rolling bearing (9-14) is screwed to the inner wall of the upper displacement commutator case (9-7); one end of the upper hinge structure (9-10) is connected to the face screw connection, the other end of the upper hinge structure (9-10) is screwed with one end of the upper triangular rod structure (9-9), and the other end of the upper triangular rod structure (9-9) is connected with the sewage gate (9- 1) The outer side wall is screwed; the above-mentioned upper driven wheel (9-13) is meshed with the upper sliding tooth plate (9-15), and the two vertical sides of the upper sliding tooth plate (9-15) slide up and down and are arranged in the upper part. The upper displacement commutator case (9-7) located in the middle of the upper sliding plate limit groove (9-16) in the upper sliding plate limit groove (9-16) on the inner wall of the displacement commutator case (9-7) The upper sliding tooth plate limit bolt (9-17) is fixed on the wall, and the lower end of the above-mentioned upper sliding tooth plate (9-13) is fixed on the upper end of the middle linkage rod (9-19); the displacement of the above-mentioned lower sand discharge gate The commutator (9-29) consists of a lower displacement commutator chassis (9-30), a lower triangular rod structure (9-32), a lower hinged structure (9-31), a lower driving wheel (9-33), Lower driving wheel center rolling bearing (9-34), lower driven wheel (9-35), lower driven wheel center rolling bearing (9-36), lower sliding tooth plate (9-37), lower sliding tooth plate limit bolt (9) -39) and the lower case fixing bolts (9-40); the upper and lower ends of one side wall of the lower displacement commutator case (9-30) are fixed with the lower case Box fixing bolts (9-40), a lower driving wheel (9-33) and a lower driven wheel (9-35) are intermeshed in the lower displacement commutator box (9-30), wherein the lower driving wheel (9-35) 33) Both ends of the lower driving wheel center rolling bearing (9-34) are screwed on the inner wall of the lower displacement commutator case (9-30), and both ends of the lower driven wheel (9-35) are connected by the center of the lower driven wheel The rolling bearing (9-36) is screwed on the inner wall of the lower displacement commutator case (9-30); one end of the above-mentioned lower hinge structure (9-31) is screwed with the wheel surface of the lower driving wheel (9-33), and the lower After the other end of the hinged structure (9-31) passes through the side wall of the spherical gate groove (9-22) of the sand discharge gate, it is screwed with one end of the lower triangular rod structure (9-32); the above-mentioned lower driven wheel (9 -35) Engage with the lower sliding tooth plate (9-37), the upper end of the lower sliding tooth plate (9-37) is fixed on the lower end of the middle linkage rod (9-19), and the lower sliding tooth plate (9-37) The two vertical sides slide up and down and are arranged in the lower sliding plate limit groove (9-38) opened on the inner wall of the lower displacement commutator case (9-30), and are located in the lower part of the middle of the lower sliding plate limit groove (9-38). The lower sliding tooth plate limit bolt (9-39) is fixed on the side wall of the displacement commutator case (9-30);上述排沙闸门部分包含排沙闸门(9-20)、排沙闸门中心旋转轴(9-21)、排沙闸门球形闸门槽(9-22)、排沙闸门进水口(9-23)、排沙闸门出水口(9-24)、支墩(9-25)、闸门滚动轴承(9-26)、限位墩(9-27)和缓冲弹簧(9-28)；上述下部三角杆系结构(932)的另一端与排沙闸门(9-20)铰接，排沙闸门(9-20)的中部插接固定有排沙闸门中心旋转轴(9-21)，排沙闸门中心旋转轴(9-21)的两端利用闸门滚动轴承(9-26)旋接在排沙闸门球形闸门槽(9-22)内上，位于闸门滚动轴承(9-26)左右两侧的排沙闸门球形闸门槽(9-22)的内壁上均固定有限位墩(9-27)，限位墩(9-27)的上侧壁固定有缓冲弹簧(9-28)，缓冲弹簧(9-28)的另一端分别与固定于排沙闸门中心旋转轴(9-21)上的手柄活动抵触设置，排沙闸门球形闸门槽(9-22)利用支墩(9-25)固定在带坡度沉砂池(7)的池底，排沙闸门球形闸门槽(9-22)的一端贯通连接有排沙闸门进水口(9-23)，排沙闸门球形闸门槽(9-22)的另一端贯通连接有排沙闸门出水口(9-24)；排沙闸门(9-20)为空心结构设置，其迎水面为光滑弧形面结构设置，其背水面为曲线形结构设置，且该曲线形结构中开设有进水孔；The above-mentioned sand discharge gate part comprises a sand discharge gate (9-20), a sand discharge gate central rotating shaft (9-21), a sand discharge gate spherical gate groove (9-22), a sand discharge gate water inlet (9-23), Sand discharge gate water outlet (9-24), support pier (9-25), gate rolling bearing (9-26), limit pier (9-27) and buffer spring (9-28); the above lower triangular rod system structure The other end of (932) is hinged with the sand discharge gate (9-20), and the middle of the sand discharge gate (9-20) is plugged and fixed with the sand discharge gate central rotary shaft (9-21), and the sand discharge gate central rotary shaft ( Both ends of 9-21) are screwed into the ball gate groove (9-22) of the sand discharge gate by means of the gate rolling bearing (9-26). Limiting piers (9-27) are fixed on the inner walls of (9-22), and buffer springs (9-28) are fixed on the upper side walls of the limiting piers (9-27). One end is respectively set against the handle fixed on the central rotating shaft (9-21) of the sand discharge gate. 7), one end of the sand discharge gate spherical gate groove (9-22) is connected with the sand discharge gate water inlet (9-23), and the other end of the sand discharge gate spherical gate groove (9-22) is connected with the The water outlet of the sand discharge gate (9-24); the sand discharge gate (9-20) is set in a hollow structure, its upstream surface is set with a smooth arc-shaped structure, and its backwater surface is set with a curved structure, and the curved structure is provided with There is a water inlet hole;排污闸门(9-1)上游面水压力达到一定程度时，排污闸门(9-1)绕排污闸门旋转轴(9-2)旋转开启，排污闸门(9-1)的旋转力矩通过上部铰接结构(9-10)和上部三角杆系结构(9-9)的作用传递给上部主动轮(9-11)，并带动上部主动轮(9-11)旋转，上部主动轮(9-11)带动上部从动轮(9-13)旋转，转动角度为W3，上部从动轮(9-13)旋转时带动右侧的上部滑动齿板(9-15)向上运动；上部滑动齿板(9-15)的运动通过中间联动杆(9-19)带动下部滑动齿板(9-37)的运动，使下部滑动齿板(9-37)产生向上的位移，下部滑动齿板(9-37)向上运带动与其啮合的下部主动轮(9-33)旋转，下部主动轮(9-33)带动下部从动轮(9-35)旋转，下部从动轮(9-35)的旋转力矩通过下部三角杆系结构(9-32)和下部铰接结构(9-31)传递力矩给排沙闸门(9-20)，带动排沙闸门(9-20)旋转开启，排沙闸门(9-20)打开，即，排污闸门(9-1)在水压力作用下旋转开启，旋转力矩通过上部排污闸门位移换向器(9-6)、中间联动杆(9-19)和下部排沙闸门位移换向器(9-29)的作用传递给排沙闸门(9-20)，排沙闸门(9-20)旋转开启，进而达到排污闸门(9-1)与排沙闸门(9-20)联动作用的效果；When the upstream surface water pressure of the sewage gate (9-1) reaches a certain level, the sewage gate (9-1) rotates around the sewage gate rotating shaft (9-2) to open, and the rotational moment of the sewage gate (9-1) passes through the upper hinged structure The action of (9-10) and the upper triangular rod structure (9-9) is transmitted to the upper driving wheel (9-11), and drives the upper driving wheel (9-11) to rotate, and the upper driving wheel (9-11) drives the The upper driven wheel (9-13) rotates, and the rotation angle is W3. When the upper driven wheel (9-13) rotates, it drives the upper sliding tooth plate (9-15) on the right side to move upward; the upper sliding tooth plate (9-15) The movement of the lower sliding tooth plate (9-37) drives the movement of the lower sliding tooth plate (9-37) through the middle linkage rod (9-19), so that the lower sliding tooth plate (9-37) produces an upward displacement, and the lower sliding tooth plate (9-37) moves upward. The lower driving wheel (9-33) meshed with it is driven to rotate, the lower driving wheel (9-33) drives the lower driven wheel (9-35) to rotate, and the rotational torque of the lower driven wheel (9-35) passes through the lower triangular rod structure (9-32) and the lower hinged structure (9-31) transmit torque to the sand discharge gate (9-20), which drives the sand discharge gate (9-20) to rotate and open, and the sand discharge gate (9-20) opens, that is, The sewage gate (9-1) is rotated and opened under the action of water pressure, and the rotational torque passes through the upper sewage gate displacement commutator (9-6), the middle linkage rod (9-19) and the lower sand discharge gate displacement commutator (9) The function of -29) is transmitted to the sand discharge gate (9-20), and the sand discharge gate (9-20) is rotated to open, thereby achieving the effect of linkage between the sewage discharge gate (9-1) and the sand discharge gate (9-20);带坡度沉砂池(7)通过渐变段(2)与排沙闸门进水口(9-23)连接，水流流入排沙闸门球形闸门槽(9-22)，排沙闸门球形闸门槽(9-22)内部为与其相切的绕排沙闸门中心旋转轴(9-21)中心旋转排沙闸门(9-20)，排沙闸门(9-20)为空心构造，排沙闸门(9-20)的迎水面为弧形设计，背水面为曲线型设计，且背水面一定高度处设置进水孔，在排污闸门(9-1)迎水面水位达到一定高度时，通过中间联动部分传递力矩给排沙闸门(9-20)，该力矩与排沙闸门(9-20)迎水面水压力共同作用，排沙闸门(9-20)旋转开启，且排沙闸门(9-20)的开启受到限位墩(9-27)的约束，排沙闸门(9-20)开启到一定程度时，水流通过排沙闸门(9-20)背水面进水孔流入排沙闸门(9-20)内部，排沙闸门(9-20)内部水量达到一定程度时，排沙闸门(9-20)自重增加，当排沙闸门(9-20)内部水体的重量与背水面所受的动水压力对排沙闸门(9-20)的作用力大于中间联动杆(9-19)传递的旋转力矩与迎水面所受的向右的动水压力对闸门的综合作用时，排沙闸门(9-20)反方向旋转，开启程度逐渐变小直至关闭；The sloping grit chamber (7) is connected to the water inlet (9-23) of the sand discharge gate through the transition section (2), and the water flows into the spherical gate groove (9-22) of the sand discharge gate, and the spherical gate groove (9-22) of the sand discharge gate. 22) The interior is tangent to the central rotary shaft (9-21) of the sand discharge gate and the central rotary sand discharge gate (9-20), the sand discharge gate (9-20) is a hollow structure, and the sand discharge gate (9-20) ) The upstream surface of the sluice gate (9-1) is of arc design, the downstream surface is of curved design, and the water inlet hole is set at a certain height of the downstream surface. When the water level of the upstream surface of the sewage gate (9-1) reaches a certain height, the torque is transmitted to the The sand discharge gate (9-20), this moment acts together with the water pressure on the upstream surface of the sand discharge gate (9-20), the sand discharge gate (9-20) is rotated and opened, and the opening of the sand discharge gate (9-20) is affected by Constrained by the limit pier (9-27), when the sand discharge gate (9-20) is opened to a certain extent, the water flows into the sand discharge gate (9-20) through the inlet hole on the back surface of the sand discharge gate (9-20). , when the water volume inside the sand discharge gate (9-20) reaches a certain level, the self-weight of the sand discharge gate (9-20) increases. When the action force of the sand discharge gate (9-20) is greater than the combined effect of the rotational moment transmitted by the intermediate linkage rod (9-19) and the rightward dynamic water pressure on the gate, the sand discharge gate (9-20) ) rotate in the opposite direction, the degree of opening gradually decreases until it is closed;排沙闸门(9-20)迎水面的动水压力与排沙闸门(9-20)内部水体的重量以及排污闸门(9-1)通过中间联动杆(9-19)传递的旋转力矩共同完成旋转排沙闸门(9-20)的位置调整，在来水量，流速一定的条件下，排沙闸门(9-20)处于平衡位置，在排沙闸门(9-20)位置调整的过程中，在迎水面所受的向右的动水压力、背水面所受的动水压力以及三个力的共同作用下，排沙闸门(9-20)可以达到短暂的位置平衡，一旦来水量或者水流流速发生变化，则排沙闸门(9-20)自动调整平衡位置；The dynamic water pressure on the upstream surface of the sand discharge gate (9-20), the weight of the water body inside the sand discharge gate (9-20), and the rotational torque transmitted by the sewage gate (9-1) through the intermediate linkage rod (9-19) are completed together. The position of the rotary sand discharge gate (9-20) is adjusted. Under the condition of constant water volume and flow rate, the sand discharge gate (9-20) is in the equilibrium position. During the process of adjusting the position of the sand discharge gate (9-20), Under the combined action of the rightward dynamic water pressure on the upstream surface, the dynamic water pressure on the downstream surface and the three forces, the sand discharge gate (9-20) can achieve a short-term position equilibrium. When the flow rate changes, the sand discharge gate (9-20) automatically adjusts the balance position;排污闸门(9-1)在水压力作用下旋转开启，其力矩通过上部三角杆系结构(9-9)以及上部铰接结构(9-10)传递给齿轮组合，并进一步传递给上部滑动齿板(9-15)，而上部滑动齿板(9-15)的两垂直边则利用上部滑动齿板限位螺栓(9-17)上下滑动设置在上部滑动板限位槽(9-16)中，而向上滑动的最大限制则为机箱顶部，向下滑动的最大限制则为机箱底部；通过对上部滑动齿板15位移的限制进而达到限制齿轮转动程度的目的，进而通过上部三角杆系结构(9-9)达到限制排污闸门(9-1)开启程度的目的；The sewage gate (9-1) is rotated and opened under the action of water pressure, and its torque is transmitted to the gear combination through the upper triangular rod system (9-9) and the upper hinge structure (9-10), and further transmitted to the upper sliding tooth plate (9-15), and the two vertical sides of the upper sliding tooth plate (9-15) are set in the upper sliding plate limit groove (9-16) by using the upper sliding tooth plate limit bolt (9-17) to slide up and down , and the maximum limit of sliding upward is the top of the chassis, and the maximum limit of sliding downward is the bottom of the chassis; by limiting the displacement of the upper sliding tooth plate 15, the purpose of limiting the rotation of the gear is achieved, and then through the upper triangular rod structure ( 9-9) To achieve the purpose of limiting the opening degree of the sewage gate (9-1);在排沙闸门(9-20)旋转过程中，受到迎水面动水压力，背水面动水压力，排沙闸门(9-20)内部水体重量，排沙闸门(9-20)自重和排沙闸门(9-20)的几何空间布置及其尺寸关系等的影响，如果不加限制，排沙闸门(9-20)的作用则达不到理想的状态；为了对排沙闸门(9-20)的旋转程度实现有效控制，在排沙闸门中心旋转轴(9-21)的两端设置固定手柄，且手柄随着排沙闸门中心旋转轴(9-21)一起转动，在闸门滚动轴承(9-26)两侧一定的范围内设置限位墩(9-27)，限位墩(9-27)为梯形断面，限位墩(9-27)面向旋转轴位置的一侧设置有缓冲弹簧(9-28)，在水压力的作用下，排沙闸门中心旋转轴(9-21)带动排沙闸门(9-20)逆时针旋转，排沙闸门(9-20)开启，当排沙闸门(9-20)开启到一定程度时，排沙闸门中心旋转轴(9-21)两端的手柄接触到缓冲弹簧(9-28)，并对缓冲弹簧(9-28)产生压力，限位墩(9-27)则通过缓冲弹簧(9-28)限制了排沙闸门中心旋转轴(9-21)以及排沙闸门(9-20)的旋转，缓冲弹簧(9-28)则对限位墩(9-27)和排沙闸门中心旋转轴(9-21)上的手柄都起到了保护作用；整个限制转动过程中，限位墩(9-27)保持不动，排沙闸门中心旋转轴(9-21)旋转的同时，带动轴端手柄旋转作用于缓冲弹簧(9-28)，通过排沙闸门中心旋转轴(9-21)上的手柄、限位墩(9-27)和缓冲弹簧(9-28)的共同作用，使得排沙闸门中心旋转轴(9-21)以及排沙闸门(9-20)始终在转动范围内工作。During the rotation process of the sand discharge gate (9-20), it is subject to the dynamic water pressure on the upstream surface, the dynamic water pressure on the backwater surface, the weight of the water body inside the sand discharge gate (9-20), the self-weight of the sand discharge gate (9-20) and the sand discharge. Due to the influence of the geometrical space arrangement of the gate (9-20) and its dimensional relationship, if there are no restrictions, the function of the sand discharge gate (9-20) will not reach the ideal state; ) rotation degree to achieve effective control, set fixed handles at both ends of the central rotary shaft (9-21) of the sand discharge gate, and the handle rotates with the central rotary shaft (9-21) of the sand discharge gate, and the rolling bearing (9-21) of the sand discharge gate rotates together. -26) Set limit piers (9-27) within a certain range on both sides, the limit pier (9-27) has a trapezoidal section, and the side of the limit pier (9-27) facing the position of the rotating shaft is provided with a buffer spring (9-28), under the action of water pressure, the central rotating shaft (9-21) of the sand discharge gate drives the sand discharge gate (9-20) to rotate counterclockwise, and the sand discharge gate (9-20) opens. When the gate (9-20) is opened to a certain extent, the handles at both ends of the central rotating shaft (9-21) of the sand discharge gate contact the buffer spring (9-28) and generate pressure on the buffer spring (9-28), limiting the position The pier (9-27) restricts the rotation of the central rotating shaft (9-21) of the sand discharge gate and the sand discharge gate (9-20) through the buffer spring (9-28), and the buffer spring (9-28) restricts the rotation of the sand discharge gate (9-20). The handle on the pier (9-27) and the central rotating shaft (9-21) of the sand discharge gate both play a protective role; during the whole process of restricting the rotation, the limit pier (9-27) remains stationary, and the center of the sand discharge gate When the rotating shaft (9-21) rotates, the shaft end handle is driven to rotate and act on the buffer spring (9-28), through the handle on the central rotating shaft (9-21) of the sand discharge gate and the limit pier (9-27) Working together with the buffer spring (9-28), the central rotating shaft (9-21) of the sand discharge gate and the sand discharge gate (9-20) always work within the rotation range.3.根据权利要求1所述的一种水压力作用下排污与排沙联动的前池结构系统，其特征在于：所述的进水池(12)内设有检修楼梯(11)，检修楼梯(11)的下端设置在进水池(12)的池底，检修楼梯(11)的顶端与池身(3)的顶端连通设置。3. A kind of fore-pond structure system for sewage discharge and sand discharge linkage under the action of water pressure according to claim 1, characterized in that: said water inlet pool (12) is provided with maintenance stairs (11), and the maintenance stairs ( The lower end of 11) is arranged at the bottom of the water inlet pool (12), and the top of the maintenance stair (11) is communicated with the top of the pool body (3).4.根据权利要求1所述的一种水压力作用下排污与排沙联动的前池结构系统，其特征在于：它的工作原理：池身(3)的底部设置有正坡的冲砂泄水溜槽(5)，冲砂泄水溜槽(5)设置有纵向隔墩，避免在部分机组运行时池中产生回流和偏流，从而缩短池长，减小了前池的过水断面，增加了池中流速，防止泥沙淤积；纵向隔墩上布设有横梁，进而达到消能的效果，使水流泥沙在达到沉砂池之前趋于平稳，泥沙在平稳水流以及正向坡度溜槽的作用下达到带坡度沉砂池(7)，且底部泥沙在正向坡度的带坡度沉砂池(7)的作用下滑向联动闸门结构中的排沙闸门进水口处，进而方便排沙闸门的排沙；联动闸门结构(9)中的排污闸门通过联动闸门结构(9)中的中间联动部分带动联动闸门结构(9)中的排沙闸门的旋转，排污的同时，又能够排沙，实现排污与排沙的联合效益。4. the fore-pond structure system of a kind of sewage discharge and sand discharge linkage under the action of water pressure according to claim 1, it is characterized in that: its working principle: the bottom of the pool body (3) is provided with the sand flushing discharge of positive slope The water chute (5) and the sand washing and draining chute (5) are provided with longitudinal piers to avoid backflow and bias flow in the pool when some units are running, thereby shortening the pool length, reducing the water passing section of the front pool, and increasing The flow velocity in the tank can prevent sediment deposition; the longitudinal piers are arranged with beams to achieve the effect of energy dissipation, so that the flow of sediment tends to be stable before reaching the grit chamber, and the sediment plays the role of stable water flow and positive slope chute It descends to the sand chamber with gradient (7), and the bottom sediment slides down to the inlet of the sand discharge gate in the linkage gate structure under the action of the positive gradient sand chamber (7), thereby facilitating the discharge of the sand chamber. Sand discharge; the sewage discharge gate in the linkage gate structure (9) drives the rotation of the sand discharge gate in the linkage gate structure (9) through the middle linkage part in the linkage gate structure (9), and at the same time of sewage discharge, it can discharge sand, and realize Combined benefits of sewage and sand removal.

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