CN213059940U - Pier hoisting machine with adjustable height - Google Patents

Abstract

The utility model provides a pier hoisting machine with adjustable height, include: a frame beam assembly including a cross beam; the hoisting mechanism is arranged on the frame beam assembly and used for hoisting the prefabricated bridge pier to be assembled; a leg assembly for supporting the frame beam assembly; the landing leg assembly comprises a splitting part and a landing leg part, the upper end of the splitting part is connected with the cross beam and penetrates through the end part of the cross beam, the lower end of the splitting part is detachably connected with the landing leg part, and the cross beam is suitable for moving on the splitting part and the landing leg part. The utility model discloses a landing leg assembly that the setting has division of tearing open and shank for hoisting machine height-adjustable has promoted the convenience of transportation when hoisting machine passes through limit for height topography such as the bridge opening of overline bridge.

Description

Pier hoisting machine with adjustable height

Technical Field

The utility model relates to a prefabricated pier erection equipment technical field particularly, relates to a pier hoisting machine with adjustable height.

Background

At present, the height of a hoisting machine for hoisting a pier is generally higher and is highly fixed, when the hoisting machine meets an overpass in the transportation process, the hoisting machine needs to be disassembled and transported through a special tool, and the transportation cost and the transportation difficulty of the hoisting machine are greatly increased.

SUMMERY OF THE UTILITY MODEL

The utility model provides a problem be: how to promote the convenience of transportation when pier hoisting machine passes through limit for height topography such as the bridge opening of overline bridge.

In order to solve the above problem, the utility model provides a pier hoisting machine with adjustable height, include:

a frame beam assembly including a cross beam;

the hoisting mechanism is arranged on the frame beam assembly and used for hoisting the prefabricated bridge pier to be assembled;

a leg assembly for supporting the frame beam assembly;

the landing leg assembly comprises a splitting part and a landing leg part, the upper end of the splitting part is connected with the cross beam and penetrates through the end part of the cross beam, the lower end of the splitting part is detachably connected with the landing leg part, and the cross beam is suitable for moving on the splitting part and the landing leg part.

Optionally, the splitting part includes a plurality of segments, and the segments are sequentially arranged from top to bottom and detachably connected to each other.

Optionally, the pier hoisting machine with the adjustable height further comprises a climbing mechanism, one end of the climbing mechanism is arranged at the end of the cross beam, the other end of the climbing mechanism is sleeved on the landing leg assembly, and the end of the cross beam is connected with the landing leg assembly in a sliding mode through the climbing mechanism.

Optionally, the climbing mechanism includes a positioning seat and a telescopic rod, the positioning seat is sleeved on the leg assembly and is slidably connected with the leg assembly, one end of the telescopic rod is fixed on the positioning seat, and the other end of the telescopic rod is fixed on the cross beam.

Optionally, the splitting part and the leg part are respectively provided with a positioning hole, and the positioning seat is detachably connected with the splitting part or the leg part through a locking structure at the positioning hole.

Optionally, two cross beams are provided, and the two ends of each cross beam are provided with the supporting leg assemblies; the frame beam assembly further comprises a main beam, wherein the main beam is arranged between the two cross beams, and the two ends of the main beam are respectively connected with the two cross beams.

Optionally, the height-adjustable bridge pier hoisting machine further comprises a traveling mechanism, the traveling mechanism comprises a frame and a wheel set, and the frame is used for connecting the wheel set and the leg portion; the running gear is adapted to rotate relative to the leg portion.

Optionally, the running mechanism further comprises an expansion piece arranged at one end of the frame far away from the leg portion, one end of the expansion piece is fixed on the frame, and the other end of the expansion piece is suitable for being supported on the ground or separated from the ground.

Optionally, the wheel set comprises a plurality of running wheels, and the telescopic member is located between the plurality of running wheels.

Optionally, the hoisting mechanism comprises a winch, a trolley, a lifting appliance and a transverse oil cylinder, the winch is arranged on the cross beam, the trolley is arranged on the main beam, and the lifting appliance is located below the trolley and is suitable for being connected with the precast pier to be assembled; one end of the transverse oil cylinder is fixed on the main beam, the other end of the transverse oil cylinder is fixed on the trolley, and the trolley is suitable for moving along the length direction of the main beam through the transverse oil cylinder on the main beam.

Compared with the prior art, the utility model, following beneficial effect has: the height of the landing leg assembly can be adjusted by arranging the detaching part and the landing leg part, so that the height of the hoisting machine can be adjusted, the hoisting machine can conveniently pass through height-limited terrains such as a bridge opening of an overpass by reducing the height, the transportation convenience of the hoisting machine passing through the height-limited terrains such as the bridge opening of the overpass is greatly improved, the hoisting machine is suitable for hoisting prefabricated piers to be spliced with different height specifications, and the application range of the hoisting machine is enlarged; additionally, the utility model discloses a hoisting machine can be as assembling the professional equipment of prefabricated pier, and adopt crawler crane or truck crane to carry out assembling of prefabricated pier among the prior art to compare, adopts the hoisting machine in this embodiment not to have set the position of hoisting machine in advance, also need not increase preparation work such as counter weight, so, has promoted the efficiency that the construction was assembled to prefabricated pier, has saved the engineering time.

Drawings

Fig. 1 is a schematic structural view of a height-adjustable bridge pier hoisting machine in an embodiment of the utility model;

fig. 2 is a schematic structural view of another view angle of the height-adjustable bridge pier hoisting machine in the embodiment of the present invention;

fig. 3 is a schematic structural view of another view angle of the height-adjustable bridge pier hoisting machine in the embodiment of the present invention;

fig. 4 is a schematic structural view of another view angle of the height-adjustable bridge pier hoisting machine in the embodiment of the present invention;

fig. 5(a) and 5(b) are schematic structural diagrams of a lifting pier column of a height-adjustable pier lifting machine in the embodiment of the present invention when a prefabricated pier is erected;

fig. 6(a) and fig. 6(b) are schematic structural diagrams of a pier column lifted by a height-adjustable pier hoisting machine when a prefabricated pier is erected in the embodiment of the present invention;

fig. 7(a) and 7(b) are schematic structural diagrams of the embodiment of the present invention, in which the transport vehicle leaves after the pier column is lifted by the height-adjustable pier hoisting machine when the prefabricated pier is erected;

fig. 8(a) and 8(b) are schematic structural diagrams of the pier column erected by the height-adjustable pier hoisting machine in the embodiment of the present invention when erecting a prefabricated pier;

fig. 9(a) and 9(b) are schematic structural views of the pier column assembled by the pier hoisting machine with adjustable height when erecting the prefabricated pier in the embodiment of the present invention;

fig. 10(a) and fig. 10(b) are schematic structural diagrams of the embodiment of the present invention, in which when erecting a prefabricated pier, the height-adjustable pier hoisting machine after assembling the pier column moves to the side of the abutment to be hoisted;

fig. 11(a) and 11(b) are schematic structural views illustrating the embodiment of the present invention in which the transportation vehicle transports the pier capping beam to enter the lower portion of the height-adjustable pier hoisting machine when erecting the precast pier;

fig. 12(a) and 12(b) are schematic structural diagrams illustrating a transporter adjusting a position of a pier capping beam when erecting a precast pier according to an embodiment of the present invention;

fig. 13(a) and fig. 13(b) are schematic structural views of a lifting pier capping beam of a height-adjustable pier lifting machine in the embodiment of the present invention when erecting a prefabricated pier;

fig. 14(a) and 14(b) are schematic structural views of the pier capping beam assembled by the pier hoisting machine with adjustable height when erecting the prefabricated pier in the embodiment of the present invention;

fig. 15(a) and fig. 15(b) are schematic structural diagrams of the height-adjustable bridge pier hoisting machine moving to the side of the abutment to be hoisted after the assembling of the bridge pier capping beam is completed when the prefabricated bridge pier is erected in the embodiment of the present invention;

fig. 16(a) and 16(b) are schematic structural diagrams illustrating the transportation vehicle transporting the pier end beam to enter the lower part of the height-adjustable pier hoisting machine when the prefabricated pier is erected according to the embodiment of the present invention;

fig. 17(a) and 17(b) are schematic structural diagrams illustrating a transportation vehicle adjusting a position of an end beam of a precast pier when the precast pier is erected according to an embodiment of the present invention;

fig. 18(a) and 18(b) are schematic structural diagrams of a lifting pier end beam of a height-adjustable pier lifting machine in the embodiment of the present invention when a prefabricated pier is erected;

fig. 19(a) and 19(b) are schematic structural views of the pier end beam assembled by the pier hoisting machine with adjustable height when erecting the prefabricated pier in the embodiment of the present invention;

fig. 20(a) and fig. 20(b) are schematic structural diagrams of the embodiment of the present invention, in which the height-adjustable bridge pier hoisting machine after assembling the bridge pier end beams moves to the side of the abutment to be hoisted when erecting the prefabricated bridge pier;

fig. 21(a) and 21(b) are schematic structural views illustrating an embodiment of the present invention in which a transportation vehicle transports another bridge pier end beam into a position below a height-adjustable bridge pier hoisting machine when erecting a prefabricated bridge pier;

fig. 22(a) and 22(b) are schematic structural diagrams illustrating a transporter adjusting a position of an end beam of a prefabricated pier when the other pier is erected according to an embodiment of the present invention;

fig. 23(a) and 23(b) are schematic structural views of a height-adjustable bridge pier hoisting machine hoisting another bridge pier end beam when erecting a prefabricated bridge pier in the embodiment of the present invention;

fig. 24(a) and fig. 24(b) are schematic structural views of another pier end beam assembled by the height-adjustable pier hoisting machine when the prefabricated pier is erected according to the embodiment of the present invention;

fig. 25(a) and 25(b) are schematic structural diagrams of the embodiment of the present invention, after the erection of the prefabricated pier is completed, the height-adjustable pier hoisting machine moves to the side of the pier to be hoisted;

fig. 26(a) and 26(b) are schematic structural diagrams of the embodiment of the present invention when the height-adjustable bridge pier hoisting machine is ready to move to the next pier to be hoisted after the erection of the prefabricated bridge pier is completed;

fig. 27 is a schematic structural view of the height-adjustable bridge pier hoisting machine according to the embodiment of the present invention, which unloads the upper segment and installs the upper segment on the transportation vehicle when passing through the height-limited terrain such as the bridge opening of the overpass;

fig. 28 is a schematic structural view showing that the leg assembly is disconnected from the traveling mechanism when the height-adjustable bridge pier hoisting machine passes through height-limited terrains such as a bridge opening of an overpass in the embodiment of the present invention;

fig. 29 is a schematic structural view showing that the leg assembly is separated from the traveling mechanism when the height-adjustable bridge pier hoisting machine passes through height-limited terrains such as a bridge opening of an overpass in the embodiment of the present invention;

fig. 30 is a schematic structural view showing that the transportation vehicle transports the frame beam assembly and the leg assembly away from the traveling mechanism when the height-adjustable bridge crane passes through the height-limited terrain such as the bridge opening of the overpass in the embodiment of the present invention;

fig. 31 is a schematic structural view illustrating a structure in which the leg assembly is supported on the ground when the height-adjustable bridge pier hoisting machine of the embodiment of the present invention passes through a height-limited terrain such as a bridge opening of an overpass;

fig. 32 is a schematic structural view illustrating that when the height-adjustable bridge pier hoisting machine of the embodiment of the present invention passes through a height-limited terrain such as a bridge opening of an overpass, a middle segment is detached and mounted on a transportation vehicle;

fig. 33 is the embodiment of the utility model provides an in the embodiment when height-adjustable pier hoisting machine passes through limit for height topography such as the bridge opening of overline bridge, pier hoisting machine's with adjustable transport vechicle transportation height schematic diagram.

Description of reference numerals:

1-frame beam assembly, 11-cross beam, 12-main beam; 2-hoisting mechanism, 21-winch, 22-crane trolley, 23-sling; 3-leg assembly, 31-upper section, 32-middle section, 33-leg part, 34-positioning hole; 4-running mechanism, 41-frame, 42-wheel group, 43-telescopic part; 5-climbing mechanism, 51-positioning seat, 511-matching hole and 52-telescopic rod; 71-pier upright columns, 72-pier capping beams and 73-pier end beams; 8-transport vehicle.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention more comprehensible, embodiments accompanied with figures are described in detail below.

In the coordinate system XYZ provided herein, the X axis represents forward, the X axis represents backward, the Y axis represents forward, the Y axis represents leftward, the Z axis represents forward, and the Z axis represents backward. Also, it is noted that the terms "first," "second," and the like in the description and claims of the present invention and in the above-described drawings are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the invention described herein are capable of operation in sequences other than those illustrated or otherwise described herein.

Combine fig. 1-4 to show, the embodiment of the utility model provides a pier hoisting machine with adjustable height, include: aframe beam assembly 1 comprising across beam 11; thehoisting mechanism 2 is arranged on theframe beam assembly 1 and used for hoisting the precast pier to be assembled; aleg assembly 3 for supporting theframe beam assembly 1; theleg assembly 3 comprises a split section, the upper end of which is connected to thecross beam 11 and extends through the end of thecross beam 11, and aleg section 33, the lower end of which is detachably connected to theleg section 33, and thecross beam 11 is adapted to move over the split section and theleg section 33.

In this embodiment, the movement of the height-adjustable pier hoisting machine (hereinafter referred to as hoisting machine) in the assembling process of the prefabricated pier can be controlled manually or controlled mechanically, for example, by arranging a control mechanism on the hoisting machine, electrically connecting components such as thehoisting mechanism 2 and the like with the control mechanism, and controlling the movement of the hoisting machine in the assembling process of the prefabricated pier by using the control mechanism, so as to improve the automation degree of the hoisting machine and the construction efficiency of the hoisting machine. Thelanding leg assembly 3 of hoisting machine is used for supporting frameroof beam assembly 1, strengthens hoisting machine holistic structural strength to guarantee thehoisting mechanism 2 who sets up on frameroof beam assembly 1 the stability when lifting by crane and waiting to assemble prefabricated pier, and guarantee the stability when hoisting machine removes and transports.

The upper end of the splitting part (i.e., the end of the splitting part located in the positive Z-axis direction in fig. 1) is connected to the cross beam 11 and penetrates the end of the cross beam 11, and the lower end of the splitting part (i.e., the end of the splitting part located in the reverse Z-axis direction in fig. 1) is detachably connected to the leg part 33, i.e., the splitting part is located above the leg part 33 (i.e., the positive Z-axis direction in fig. 1); in this way, the height of the leg assembly 3 (i.e. the dimension of the leg assembly 3 in the Z-axis direction in fig. 1) can be adjusted by detaching or installing the detaching part, so that the height of the hoisting machine can be adjusted; moreover, the disassembly part is disassembled to enable the whole height of the hoisting machine to be lowered, so that the hoisting machine can conveniently pass through the height-limited terrains such as the bridge opening of the overpass, the hoisting machine does not need to be disassembled, the convenience of transportation of the hoisting machine when passing through the height-limited terrains such as the bridge opening of the overpass is greatly improved, and the transportation cost of the hoisting machine is saved. In addition, the splitting part of theleg assembly 3 and theleg part 33 are coaxially arranged, so that thecross beam 11 can move on the splitting part and theleg part 33, that is, the end part of thecross beam 11 is suitable for moving on the splitting part and theleg part 33 along the length direction (namely, the Z-axis direction in fig. 1) of theleg assembly 3, and the position of the end part of thecross beam 11 on theleg assembly 3 can be adjusted, so that the heights from theframe beam assembly 1 and thehoisting mechanism 2 to the ground (namely, the distances from theframe beam assembly 1 and thehoisting mechanism 2 to the ground) can be adjusted, the hoisting machine is suitable for hoisting and assembling prefabricated piers to be assembled with different heights (namely, various prefabricated piers to be assembled with different sizes are arranged in the Z-axis direction in fig. 1), and the application range of the hoisting machine is increased.

The part and theshank portion 33 are torn open through setting up to the hoisting machine of this embodiment for landingleg assembly 3's height-adjustable, thereby make the height-adjustable of hoisting machine, so that the hoisting machine is through reducing limit for height topography such as the bridge opening that highly comes through the overline bridge, the convenience of transportation when greatly having promoted the hoisting machine through limit for height topography such as the bridge opening of overline bridge, and make the hoisting machine be suitable for to lift treating of different high specifications and assemble prefabricated pier, the application scope of hoisting machine has been increased.

Optionally, the splitting part includes a plurality of segments, and the plurality of segments are sequentially arranged from top to bottom and detachably connected to each other.

The splitting part is provided with a plurality of segments which are arranged from top to bottom and detachably connected with each other, and for convenience of description, the splitting part is described below to comprise anupper segment 31 and amiddle segment 32, wherein at least onemiddle segment 32 is provided;middle section 32 is located betweenupper section 31 andleg portion 33, i.e.upper section 31 is located at the upper end of middle section 32 (i.e.upper section 31 is located at the end ofmiddle section 32 located in the positive direction of the Z axis in fig. 1),leg portion 33 is located at the lower end of middle section 32 (i.e.leg portion 33 is located at the end ofmiddle section 32 located in the opposite direction of the Z axis in fig. 1), the end ofleg portion 33 away frommiddle section 32 is used for supporting on the ground or connecting with running mechanism 4 (described later), andleg portion 33 plays a supporting role forupper section 31 andmiddle section 32. Themiddle segment 32 is at least provided with one, so, the number of themiddle segment 32 can be increased (decreased) by increasing (decreasing) the height of thelanding leg assembly 3, the number of themiddle segment 32 can be increased (decreased) by increasing (decreasing) the height of the hoisting machine, the hoisting machine can hoist and assemble prefabricated piers to be assembled with different height specifications, the application range of the hoisting machine is further expanded, and the limitation that the existing hoisting machine is only suitable for hoisting piers located in a specific height range due to height fixation is overcome.

Optionally, as shown in fig. 1 and fig. 2, twocross beams 11 are provided, and two ends of eachcross beam 11 are provided with theleg assemblies 3; theframe beam assembly 1 further comprises amain beam 12, wherein themain beam 12 is arranged between the twocross beams 11, and two ends of themain beam 12 are respectively connected with the two cross beams 11.

Theframe beam assembly 1 comprises twobeams 11 and twomain beams 12, the twobeams 11 are parallel to each other, themain beams 12 are arranged between the twobeams 11, and two ends of eachmain beam 12 are respectively connected with the twobeams 11, so that the structural strength of theframe beam assembly 1 is improved. One or moremain beams 12 are provided, preferably twomain beams 12 are provided in this embodiment, and the twomain beams 12 are parallel to each other and perpendicular to thecross beam 11 to ensure the structural strength of theframe beam assembly 1, and the twomain beams 12 are both provided withhoisting mechanisms 2 so as to facilitate the hoisting machine to perform various operations on the precast pier to be assembled (for example, rotating and erecting the hoisted precast pier to be assembled); the two ends of eachcross beam 11 are respectively provided with onelanding leg assembly 3, namely thelanding leg assemblies 3 are provided with four, so that the supporting capacity of thelanding leg assemblies 3 on theframe beam assembly 1 is improved, and the integral stability of the bridge pier hoisting machine when the hoisting machine is hoisted to be assembled through thehoisting mechanism 2 is guaranteed. Furthermore, a running gear 4 (described later) may be provided at the lower end of eachleg assembly 3 to facilitate movement of the hoist. And,crossbeam 11 perpendicular to landingleg assembly 3 for the hoisting machine is the door frame structure, and hoisting machine below has certain space, and thetransport vechicle 8 of being convenient for gets into hoisting machine below and hoisting machine lifts by crane and assembles below and wait to assemble prefabricated pier.

Further, themain beam 12 may be disposed between the twocross beams 11, and may also be disposed above or below the twocross beams 11, which is not specifically limited in this embodiment.

Optionally, as shown in fig. 1, the pier hoisting machine with adjustable height further includes aclimbing mechanism 5, one end of theclimbing mechanism 5 is disposed at an end of thecross beam 11, the other end of theclimbing mechanism 5 is sleeved on thelanding leg assembly 3, and the end of thecross beam 11 is slidably connected to thelanding leg assembly 3 through theclimbing mechanism 5.

Climbing mechanism 5 is used to connectcross beam 11 andleg assembly 3, and to achieve a sliding connection between the end ofcross beam 11 andleg assembly 3. Specifically, one end of theclimbing mechanism 5 connected with thelanding leg assembly 3 is sleeved on thelanding leg assembly 3, so that the height of the cross beam 11 (namely the distance from thecross beam 11 to the ground) is changed by changing the position of theclimbing mechanism 5 on thelanding leg assembly 3, the height of theframe beam assembly 1 is changed, the hoisting machine is suitable for hoisting prefabricated piers to be assembled with different heights, and the application range of the hoisting machine is further expanded; and one end of theclimbing mechanism 5 connected with thelanding leg assembly 3 is suitable for locking thelanding leg assembly 3, so that theclimbing mechanism 5 is positioned on thelanding leg assembly 3, theframe beam assembly 1 is prevented from moving downwards due to overweight load when the hoisting machine hoists the precast pier to be assembled through thehoisting mechanism 2, and the stability of the hoisting machine during working is ensured.

Optionally, as shown in fig. 1 and 4, theclimbing mechanism 5 includes apositioning seat 51 and atelescopic rod 52, the positioningseat 51 is sleeved on theleg assembly 3 and is slidably connected with theleg assembly 3, one end of thetelescopic rod 52 is fixed on thepositioning seat 51, and the other end is fixed on thecross beam 11.

A positioningseat 51 of theclimbing mechanism 5 is sleeved on thelanding leg assembly 3 and is in sliding connection with thelanding leg assembly 3, and thepositioning seat 51 is suitable for locking thelanding leg assembly 3 so as to realize the positioning of theclimbing mechanism 5 on thelanding leg assembly 3; thetelescopic rod 52 is suitable for stretching in the Z-axis direction in fig. 1, and is used for adjusting the height of the frame beam assembly 1 (i.e. the distance from theframe beam assembly 1 to the ground); based on positioningseat 51 and landingleg assembly 3 sliding connection, through setting uptelescopic link 52 for in certain extent (the flexible scope of telescopic link 52), only need can adjust the height of frameroof beam assembly 1 through flexibletelescopic link 52, and need not through the position ofadjustment positioning seat 51 at landingleg assembly 3, greatly promoted the convenience of hoisting machine construction.

Alternatively, as shown in fig. 1 and 4, the positioning holes 34 are formed on the splitting part and theleg part 33, and thepositioning seat 51 and the splitting part or theleg part 33 are adapted to be detachably connected by a locking structure at the positioning holes 34.

The positioningseat 51 of theclimbing mechanism 5 locks thelanding leg assembly 3 through a locking structure to realize the positioning of theclimbing mechanism 5 on thelanding leg assembly 3, thereby realizing the positioning of theframe beam assembly 1; the locking structure includes a locking device or fastener (e.g., a pin) that releasably connects thepositioning socket 51 to the detachable portion orleg 33 by extending into thepositioning hole 34. Specifically, when the locking structure is a pin locking device, the pin locking device is disposed on thepositioning seat 51, and the pin locking device has an insertion portion adapted to be extended and retracted, the insertion portion is disposed on a side of thepositioning seat 51 facing theleg assembly 3, when thepositioning seat 51 of theclimbing mechanism 5 moves to a corresponding position on theleg assembly 3, the insertion portion is opposite to thepositioning hole 34 at the position, and the insertion portion of the pin locking device is extended to be inserted into thepositioning hole 34, so as to complete the positioning of theclimbing mechanism 5 on theleg assembly 3; when the locking structure is a fastener, the positioningseat 51 is provided with afitting hole 511 matched with thepositioning hole 34, when thepositioning seat 51 of theclimbing mechanism 5 moves to a corresponding position on theleg assembly 3, thefitting hole 511 is opposite to thepositioning hole 34 at the position, and the positioning of theclimbing mechanism 5 on theleg assembly 3 is completed by inserting the fastener into thepositioning hole 34 and thefitting hole 511. So, through the position of lockingpositioning seat 51 on landingleg assembly 3, guaranteed the stability of hoisting machine during operation.

Optionally, as shown in fig. 1 and 3, the height-adjustable pier hoisting machine further includes atraveling mechanism 4, the travelingmechanism 4 includes aframe 41 and awheel set 42, theframe 41 is used for connecting the wheel set 42 and theleg portion 33; therunning gear 4 is adapted to rotate relative to theleg 33.

Thewalking mechanism 4 is arranged at the lower end of the supportingleg assembly 3, is connected with the supportingleg part 33 of the supportingleg assembly 3 and is used for driving the supportingleg assembly 3 to move; the wheel set 42 is arranged at one end of theframe 41 far away from theleg part 33, is contacted with the ground and is used for realizing the running of therunning mechanism 4; therunning gear 4 is adapted to rotate relative to theleg 33, either theframe 41 and the set ofwheels 42 as a whole relative to theleg 33 or only the set ofwheels 42 relative to theleg 33, so as to facilitate steering of the hoist by rotating therunning gear 4 when it is moved. In addition, thecross beam 11 and themain beam 12 based on theframe beam assembly 1 are perpendicular to each other, so that the travelingmechanism 4 drives the hoisting machine to perform transverse movement or longitudinal movement on the prefabricated pier assembling site, and the prefabricated pier to be assembled, which is hoisted by thehoisting mechanism 2, is accurately assembled on an abutment to be hoisted (i.e. a foundation for installing the prefabricated pier to be assembled, which is not shown in the figure); here, the lateral movement refers to movement in the longitudinal direction of the main beam 12 (i.e., the X-axis direction in fig. 1), and the longitudinal movement refers to movement in the longitudinal direction of the cross beam 11 (i.e., the Y-axis direction in fig. 1). Moreover, the travellingmechanism 4 is arranged, so that the hoisting machine can be used as special equipment for assembling the prefabricated bridge pier, and the hoisting machine hoists the prefabricated bridge pier to be assembled through thehoisting mechanism 2 so as to move the prefabricated bridge pier to be assembled to the abutment to be assembled for assembling; compared with the assembly of the prefabricated bridge pier by adopting a crawler crane or a truck crane in the prior art, the position of the hoisting machine does not need to be set in advance by adopting the hoisting machine in the embodiment, and preparation work such as counterweight addition is not needed, so that the assembly construction efficiency of the prefabricated bridge pier is improved, and the construction time is saved.

Further, in the embodiment, it is preferable that the wheel set 42 is adapted to rotate relative to theleg portion 33 to reduce the difficulty of rotation of therunning mechanism 4, and the rotation angle of the wheel set 42 is within a range of 90 ° ± 10 °, so as to prevent the problem that the sling is switched from the longitudinal movement to the lateral movement (or from the lateral movement to the longitudinal movement) when the rotation angle of the wheel set 42 is too small (i.e. when the rotation angle of the wheel set 42 is less than 80 °), and to prevent the difficulty of design and manufacture of therunning mechanism 4 from increasing when the rotation angle of the wheel set 42 is too large (i.e. when the rotation angle of the wheel set 42 is greater than 100 °).

Optionally, as shown in fig. 1 and 3, therunning gear 4 further comprises atelescopic member 43 disposed at one end of theframe 41 far from theleg portion 33, and one end of thetelescopic member 43 is fixed to theframe 41 and the other end is adapted to be supported on or separated from the ground.

In the embodiment, thetelescopic piece 43 is suitable for being telescopic, when the hoisting machine moves, thetelescopic piece 43 is separated from the ground, when the hoisting machine hoists the precast pier to be assembled, thetelescopic piece 43 is supported on the ground to support thelanding leg assembly 3, so that the wheel set 42 is prevented from being crushed or the wheel set 42 is prevented from slipping and moving due to overweight load when the hoisting machine hoists the precast pier to be assembled through thehoisting mechanism 2, and the stability of the hoisting machine during working is ensured; and the setting ofextensible member 43 has made things convenient forwheelset 42 to rotate, that is to say, whenextensible member 43 supported on ground,wheelset 42 received the pressure reduction or disappearance of landingleg assembly 3 and frame beam assembly 1 (wheelset 42 was unsettled this moment), thereby be convenient forwheelset 42 to rotate in order to realize the steering ofrunning gear 4.

Optionally, thewheelset 42 includes a plurality of running wheels with the telescopingmember 43 located therebetween.

The wheel set 42 comprises a plurality of running wheels to increase the contact area of the runningmechanisms 4 with the ground, so as to ensure the stability of the hoisting machine at each runningmechanism 4; theextensible member 43 is positioned between the plurality of running wheels, so that theextensible member 43 and thelanding leg assembly 3 are arranged coaxially, and the supporting effect on thelanding leg assembly 3 when theextensible member 43 is supported on the ground is ensured. Through setting up extendingmember 43 and a plurality of walking wheel for a plurality of walking wheels and extendingmember 43 all can regard as the fulcrum when hoisting machine lifts bycrane mechanism 2 and waits to assemble prefabricated pier, have guaranteed the stability of the during operation fuselage of hoisting machine, have increased security and the reliability during hoisting machine construction.

Optionally, as shown in fig. 1 to 4, thehoisting mechanism 2 includes a hoist 21, atrolley 22, aspreader 23 and a traversing cylinder, the hoist 21 is disposed on thecross beam 11, thetrolley 22 is disposed on themain beam 12, and thespreader 23 is located below thetrolley 22 and is adapted to be connected to a precast pier to be assembled; one end of the transverse oil cylinder is fixed on themain beam 12, the other end of the transverse oil cylinder is fixed on thetrolley 22, and thetrolley 22 is suitable for moving along the length direction of themain beam 12 through the transverse oil cylinder on themain beam 12.

In this embodiment, two main beams 12 are preferably provided, and preferably, two lifting mechanisms 2 are provided on each main beam 12, the trolley 22 of each lifting mechanism 2 is connected with one traversing cylinder, and the trolley 22 is driven to translate on the main beam 12 along the length direction of the main beam 12 (i.e., the X-axis direction in fig. 1) by the extension and retraction of the traversing cylinder, so as to adjust the position of the trolley 22 on the main beam 12 or the distance between the two trolleys 22, so as to meet the requirement of hoisting operation; the lifting appliance 23 is located below the crane trolley 22 and used for being connected with the precast pier to be assembled when the precast pier to be assembled is lifted, the winch 21, the crane trolley 22 and the lifting appliance 23 are sequentially connected through a rope or a chain, the lifting appliance 23 moves along with the crane trolley 22 in the length direction of the main beam 12, the movement of the lifting appliance 23 in the length direction of the main beam 12 is achieved, and the movement of the lifting appliance 23 in the length direction of the landing leg assembly 3 is achieved through unreeling or reeling of the rope (or the chain) through the winch 21.

Further, the hoist 21 may be disposed on themain beam 12 and located at an end of themain beam 12.

Further, the end of the traversing cylinder far away from thetrolley 22 can also be fixed on thecross beam 11.

Fig. 5-26, wherein fig. 5(a) to 26(a) are left side views of fig. 5(b) to 26(b), respectively; when the height-adjustable bridge pier hoisting machine is used for erecting the prefabricated bridge piers, the height-adjustable bridge pier hoisting machine can be realized by the following modes:

before the pier assembling work is carried out, the hoisting machine is moved to the side of the pier to be hoisted;

the travellingmechanism 4 of the hoisting machine drives the hoisting machine to move to the side of a pier to be hoisted, thetransport vehicle 8 transports thepier upright 71 to enter the lower part of the hoisting machine, thehoisting mechanism 2 of the hoisting machine hoists thepier upright 71, and thetransport vehicle 8 exits the lower part of the hoisting machine and returns to a beam field to take beams (it is worth explaining that a plurality oftransport vehicles 8 can also respectively transport thepier upright 71, thepier capping beam 72 and the pier end beam 73);

erecting thepier upright column 71 through the retraction and extension action of the hoisting machine; moving the hoisting machine to the position above the abutment to be hoisted, and installing thepier column 71 on the abutment to be hoisted;

the travellingmechanism 4 drives the hoisting machine to move to the side of a pier to be hoisted, thetransport vehicle 8 transports thepier capping beam 72 to enter the lower part of the hoisting machine, the rotary disc of thetransport vehicle 8 rotates to adjust the position until the two ends of thepier capping beam 72 placed on the rotary disc are positioned below the samemain beam 12, thehoisting mechanism 2 of the hoisting machine hoists thepier capping beam 72, and thetransport vehicle 8 exits the lower part of the hoisting machine and returns to a beam field to take the beam;

the hoisting machine moves to the position above the abutment to be hoisted, and thepier capping beam 72 is spliced to thepier upright 71;

the travellingmechanism 4 drives the hoisting machine to move to the side of a pier to be hoisted, thetransport vehicle 8 transports thepier end beam 73 to enter the lower part of the hoisting machine, the rotary disc of thetransport vehicle 8 rotates to adjust the position until the two ends of thepier end beam 73 placed on the rotary disc are positioned below the samemain beam 12, thehoisting mechanism 2 of the hoisting machine hoists thepier end beam 73, and thetransport vehicle 8 exits the lower part of the hoisting machine and returns to a beam yard to take the beam;

the hoisting machine moves to the position above the abutment to be hoisted, and thepier end beam 73 is spliced to thepier capping beam 72;

the travellingmechanism 4 drives the hoisting machine to move to the side of the pier to be hoisted, thetransport vehicle 8 transports anotherpier end beam 73 to enter the lower part of the hoisting machine, the rotary disc of thetransport vehicle 8 rotates to adjust the position until the two ends of thepier end beam 73 placed on the rotary disc are positioned below the samemain beam 12, thehoisting mechanism 2 of the hoisting machine hoists thepier end beam 73, and thetransport vehicle 8 exits the lower part of the hoisting machine and returns to a beam yard to take the beam;

the hoisting machine moves to the position above the abutment to be hoisted, and thepier end beam 73 is spliced to thepier capping beam 72; thus, the hoisting machine completes the assembly work of one pier;

the travelingmechanism 4 drives the hoisting machine to move to a position away from the abutment where the assembly of the pier is completed;

and thewalking mechanism 4 rotates by 90 degrees and drives the hoisting machine to move to the side of the next pier to be hoisted so as to continuously finish the assembling work of each part of the prefabricated pier at the next pier to be hoisted.

Wherein, pier stand 7 is the horizontality when being hoisted, throughhoisting mechanism 3 receive and release the action, and themonkey 32 on the back girder upwards contracts hoist 33 promptly, and themonkey 32 on the front girder descends hoist 33 downwards for pier stand 7 becomes vertical state by the horizontality, assembles with pier 6 with the convenience. Therefore, the hoisting machine can complete the assembly of each segment of the prefabricated pier in the mode.

As shown in fig. 27 to 33, when the hoist is provided with therunning mechanism 4 and the splitting portion includes a plurality of segments (for convenience of description, the splitting portion includes anupper segment 31 and amiddle segment 32, in which at least onemiddle segment 32 is provided), the hoisting machine for an adjustable pier can be implemented by, for example, the following means when the hoist for an adjustable pier is used through a limited-height terrain such as a bridge opening of an overpass:

theframe beam assembly 1 of the height-adjustable pier hoisting machine falls, theupper section 31 of thelanding leg assembly 3 of the height-adjustable pier hoisting machine is dismounted, theupper section 31 is installed on thetransport vehicle 8 to serve as a bracket, and thetransport vehicle 8 runs to the position below the height-adjustable pier hoisting machine;

theframe beam assembly 1 continuously falls to amain beam 12 of theframe beam assembly 1 and falls onto the bracket, the connection between the landingleg assembly 3 and thewalking mechanism 4 is disconnected, and thetransport vehicle 8 lifts theframe beam assembly 1 until thelanding leg assembly 3 is separated from thewalking mechanism 4;

thetransport vehicle 8 moves to one side of thewalking mechanism 4, theframe beam assembly 1 falls to theleg part 33 of theleg assembly 3 to be supported on the ground, theframe beam assembly 1 is separated from the bracket, thetransport vehicle 8 leaves the position below the bridge pier hoisting machine with the adjustable height, and theupper section 31 arranged on thetransport vehicle 8 is unloaded;

themiddle section 32 of thelanding leg assembly 3 is detached, themiddle section 32 is installed on thetransport vehicle 8, thetransport vehicle 8 moves to the position below the bridge pier hoisting machine with the adjustable height, theframe beam assembly 1 is jacked up, theleg portions 33 of thelanding leg assembly 3 leave the ground, and thetransport vehicle 8 transports the bridge pier hoisting machine with the adjustable height to pass through a bridge opening of the overpass.

Wherein, at least onemiddle section 32 is arranged; when themiddle segment 32 is provided in plural, the heights of the pluralmiddle segments 32 may be equal or may not be equal. Therefore, when one of the middle sections 32 is provided, the middle section 32 of the leg assembly 3 is detached and the middle section 32 is mounted on the carrier vehicle 8 when the end of the cross member 11 is moved along the leg assembly 3 to the leg portion 33; when the number of the middle sections 32 is plural, when one or more middle sections 32 exist at the end of the cross beam 11 moving along the leg assembly 3 to above the end of the cross beam 11, removing the one or more middle sections 32 of the leg assembly 3 above the end of the cross beam 11, and installing the middle sections 32 on the transport vehicle 8, wherein when the plurality of middle sections 32 are removed, if the heights of the plurality of removed middle sections 32 are consistent, one of the plurality of removed middle sections is optionally installed on the transport vehicle 8, and if the heights of the plurality of removed middle sections 32 are inconsistent, the shorter one of the plurality of removed middle sections is selected to be installed on the transport vehicle 8; so for when installing middle segment 32 on transport vechicle 8 as new bracket support frame roof beam assembly 1, the whole height of hoisting machine on transport vechicle 8 is lower, with the bridge opening of guaranteeing that the hoisting machine passes through the overline bridge smoothly. After themiddle section 32 is mounted on thecarrier vehicle 8, thecarrier vehicle 8 moves to below theframe beam assembly 1 and lifts theframe beam assembly 1 to theleg portion 33 of theleg assembly 3 off the ground, thereby transporting the hoist through the bridge opening of the overpass. It is worth noting that the hoist has a plurality ofleg assemblies 3, and the operation of theupper section 31, themiddle section 32 and theleg portion 33 on the plurality ofleg assemblies 3 should be kept consistent.

Although the present disclosure has been described above, the scope of the present disclosure is not limited thereto. Various changes and modifications may be made by those skilled in the art without departing from the spirit and scope of the present disclosure, and these changes and modifications are intended to fall within the scope of the present disclosure.

Claims (10)

1. The utility model provides a pier hoisting machine with adjustable height which characterized in that includes:

a frame beam assembly (1) comprising a cross beam (11);

the hoisting mechanism (2) is arranged on the frame beam assembly (1) and used for hoisting the precast pier to be assembled;

a leg assembly (3) for supporting the frame beam assembly (1);

the supporting leg assembly (3) comprises a splitting part and a supporting leg part (33), the upper end of the splitting part is connected with the cross beam (11) and penetrates through the end part of the cross beam (11), the lower end of the splitting part is detachably connected with the supporting leg part (33), and the cross beam (11) is suitable for moving on the splitting part and the supporting leg part (33).

2. The pier hoisting machine with the adjustable height of claim 1, wherein the splitting part comprises a plurality of segments, and the segments are sequentially arranged from top to bottom and detachably connected with each other.

3. The pier hoisting machine with the adjustable height of claim 1, further comprising a climbing mechanism (5), wherein one end of the climbing mechanism (5) is arranged at the end of the cross beam (11), the other end of the climbing mechanism (5) is sleeved on the leg assembly (3), and the end of the cross beam (11) is slidably connected with the leg assembly (3) through the climbing mechanism (5).

4. The pier hoisting machine with adjustable height of claim 3, wherein the climbing mechanism (5) comprises a positioning seat (51) and a telescopic rod (52), the positioning seat (51) is sleeved on the leg assembly (3) and is slidably connected with the leg assembly (3), one end of the telescopic rod (52) is fixed on the positioning seat (51), and the other end of the telescopic rod is fixed on the cross beam (11).

5. The pier hoisting machine with adjustable height of claim 4, wherein the splitting part and the leg part (33) are provided with positioning holes (34), and the positioning seat (51) and the splitting part or the leg part (33) are adapted to be detachably connected at the positioning holes (34) through locking structures.

6. The pier hoisting machine with adjustable height of any one of claims 1 to 5, wherein there are two beams (11), and the two ends of each beam (11) are provided with the leg assemblies (3); the frame beam assembly (1) further comprises a main beam (12), wherein the main beam (12) is arranged between the two cross beams (11), and two ends of the main beam (12) are respectively connected with the two cross beams (11).

7. The pier hoisting machine with adjustable height of any one of claims 1-5, further comprising a running mechanism (4), wherein the running mechanism (4) comprises a frame (41) and a wheel set (42), and the frame (41) is used for connecting the wheel set (42) with the leg portion (33); the running gear (4) is adapted to rotate relative to the leg (33).

8. The pier hoisting machine with adjustable height of claim 7, wherein the running mechanism (4) further comprises an expansion piece (43) disposed at one end of the frame (41) far away from the leg portion (33), and one end of the expansion piece (43) is fixed on the frame (41) and the other end is adapted to be supported on or separated from the ground.

9. The pier hoisting machine with adjustable height of claim 8, wherein the wheel set (42) comprises a plurality of running wheels, and the telescopic member (43) is located between the plurality of running wheels.

10. The pier hoisting machine with the adjustable height of claim 6, wherein the hoisting mechanism (2) comprises a hoist (21), a crane trolley (22), a sling (23) and a traversing cylinder, the hoist (21) is arranged on the cross beam (11), the crane trolley (22) is arranged on the main beam (12), and the sling (23) is positioned below the crane trolley (22) and is suitable for being connected with the pier prefabrication to be assembled; one end of the transverse oil cylinder is fixed on the main beam (12), the other end of the transverse oil cylinder is fixed on the trolley (22), and the trolley (22) is suitable for moving along the length direction of the main beam (12) through the transverse oil cylinder on the main beam (12).

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