CN116356647A - Rammed earth structure for municipal engineering road pavement - Google Patents

Abstract

The invention relates to a rammed earth structure for paving municipal engineering roads, which comprises an installation cylinder with a hollow inside and an open top, wherein a cover plate is covered on the top of the installation cylinder, a lifting disc vertically slides in the installation cylinder, a pressure head which slides out of the bottom of the installation cylinder is arranged at the bottom of the lifting disc, an annular air bag with the hollow inside is arranged between the lifting disc and the inner bottom wall of the installation cylinder, and an inflation assembly for inflating the air bag is arranged on the installation cylinder; the inflation assembly comprises an inflation barrel with a hollow interior and an open top, the installation barrel is positioned in the inflation barrel, the top of the inflation barrel is provided with a ring cover, the ring cover is provided with an air cylinder, a piston rod of the air cylinder extends into the inflation barrel and is connected with an inflation ring plate, and the air inlet end of the air bag is mutually connected with the inner cavity of the inflation barrel. The long and narrow special site ramming machine has the advantages that the structure is simple, the size is relatively small, therefore, the ramming can be realized on a long and narrow special site which is difficult to spread by a large ramming machine, the possibility of sinking of a road is reduced, and the material consumed by road repair is saved.

Description

Rammed earth structure for municipal engineering road pavement

Technical Field

The invention relates to the technical field of municipal engineering, in particular to a rammed earth structure paved on a municipal engineering road.

Background

In China, municipal engineering refers to various buildings, structures, equipment and the like which are arranged in urban areas and town planning construction ranges and provide public products and services for residents based on government responsibility and obligations, such as common urban roads, bridges, subways, underground pipelines, tunnels, river channels, rail transit, sewage treatment, garbage treatment and the like.

In pavement paving in municipal engineering, the large-scale rammer can not be adopted for ramming operation due to the limitation of environment and position areas, so that in the subsequent use process, the phenomenon of ground depression and the like usually occurs due to trampling, and more materials are consumed for road repair, so that obvious defects exist.

Disclosure of Invention

In order to save the material that road repair consumed, the application provides a rammed earth structure that municipal works road was laid.

The application provides a rammed earth structure that municipal works road was laid adopts following technical scheme:

the utility model provides a rammed earth structure that municipal works road was laid, includes inside cavity and open-top installation section of thick bamboo, the top lid of installation section of thick bamboo has closed the apron, vertical sliding has the elevating disc in the installation section of thick bamboo, the bottom of elevating disc is provided with the slip and wears out the pressure head of installation section of thick bamboo bottom, the elevating disc with be equipped with between the interior bottom wall of installation section of thick bamboo and be annular and inside hollow gasbag, be equipped with on the installation section of thick bamboo be used for right the gasbag realizes inflatable inflation component, be used for right the gassing subassembly that the gassing was realized to the gasbag.

Through adopting above-mentioned technical scheme, the workman is at first with rammed soil structure remove to wait to ram the position, later aerify the subassembly and fill sufficient air in the gasbag, the gasbag inflation to drive the pressure head upward movement through the elevating disc. After that, the air in the air bag is rapidly discharged by the air discharging component, the air bag is contracted at a high speed, and the pressure head is accelerated to fall down and smash on the soil body under the action of gravity, so that the soil tamping is realized. The long and narrow special site ramming machine has the advantages that the structure is simple, the size is relatively small, therefore, the ramming can be realized on a long and narrow special site which is difficult to spread by a large ramming machine, the possibility of sinking of a road is reduced, and the material consumed by road repair is saved.

Optionally, the subassembly of aerifing includes inside cavity and open-top's inflation barrel, the installation section of thick bamboo is located in the inflation barrel, the top of inflation barrel is provided with the ring lid, be provided with the cylinder on the ring lid, the piston rod of cylinder stretches into in the inflation barrel and be connected with the inflation annular plate, the inflation annular plate with the installation section of thick bamboo the inflation annular plate with the inflation barrel is all hugged closely, it has the inlet port to be close to on the inflation barrel the position of ring lid has been seted up, the inlet end of gasbag with the inner chamber of inflation barrel communicates with each other.

Through adopting above-mentioned technical scheme, the workman starts the cylinder, and the piston rod of cylinder stretches out to drive and aerify the ring board and move downwards, after aerify the ring board and move to being less than the inlet port, aerify the ring board and impress the gasbag with the air between the barrel with the installation section of thick bamboo and the barrel of aerifing in, so realized the inflation to the gasbag.

Optionally, the gassing subassembly is including rotating the setting in the ring gear of mounting cylinder bottom, the ring gear with the outer bottom wall of mounting cylinder is hugged closely, open on the ring gear has the exhaust hole, the end of giving vent to anger of gasbag set up in the diapire of mounting cylinder and be used for with the exhaust hole communicates with each other, be provided with the motor of electricity connection in control system on the outer wall of inflating the barrel, be provided with on the output shaft of motor meshing in the gear of ring gear.

Through adopting above-mentioned technical scheme, the workman starts the motor through control system, and the output shaft of motor passes through the gear and drives the ring gear and rotate, and the ring gear rotates to the exhaust hole and the end of giving vent to anger of gasbag communicates with each other to the air in this gasbag can discharge fast, has realized the exhaust of gasbag with this.

Optionally, the exhaust hole is circumferentially arranged on the toothed ring, and the diameters of the exhaust holes are circumferentially gradually reduced.

Through adopting above-mentioned technical scheme, the workman passes through the rotation angle of motor control ring gear to this selects the exhaust hole and the gasbag of different apertures to communicate with each other, and through the exhaust hole of different apertures, and then adjusts the exhaust speed of gasbag, and then the whereabouts speed of control pressure head is favorable to improving the ramming effect to different grade type soil layer.

Optionally, the ring gear dorsad one side of the installation section of thick bamboo is opened and is had the shutoff groove that is the ring, the exhaust hole is located the shutoff inslot, the shutoff inslot rotation is provided with the shutoff ring, it has the notch of stepping down to open on the shutoff ring, the notch of stepping down can only communicate with each other with at most one at the same time the exhaust hole.

By adopting the technical scheme, before the air bag is deflated, a worker rotates the plugging ring, so that the abdication notch on the plugging ring is rotated in advance to be communicated with the vent hole with the selected caliber, the toothed ring can drive the plugging ring to rotate synchronously, and air in the air bag can only be discharged through the vent hole communicated with the abdication notch without being influenced by vent holes with other apertures.

Optionally, the slip cap is equipped with album soil cover on the pressure head, the diameter that album soil cover is close to its bottom is along from last decurrent direction grow gradually, album soil cover with be provided with the retaining member between the pressure head.

By adopting the technical scheme, when the soil is initially rammed, the lowest part of the soil collecting cover is lower than the bottom surface of the pressure head, so that when the soil collecting cover is contacted with the soil body, part of the soil body extrudes the soil layer in the direction close to the axis of the pressure head under the action of the soil collecting cover. And then the soil collecting cover moves upwards, so that the lowest position of the soil collecting cover is higher than the ground of the pressure head, and at the moment, the pressure head can tamper the soil body more tightly by tamping the soil body of the frustum type soil body.

Optionally, the retaining member includes threaded connection the last fastening bolt of pressure head, it has the adjustment tank to open vertically on the soil collecting cover, fastening bolt is located in the adjustment tank and with sliding fit.

Through adopting above-mentioned technical scheme, the setting of adjustment tank has realized collecting soil cover on the pressure head vertical movement, and fastening bolt has made things convenient for the workman to realize adjusting collecting soil cover's position.

Optionally, polytetrafluoroethylene is coated on both the lifting disc and the pressing head.

Through adopting above-mentioned technical scheme, polytetrafluoroethylene's coefficient of friction is less to this lifting disk and pressure head can be more smooth and easy remove on the installation section of thick bamboo.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the device has a simple structure and a relatively small volume, so that the device can tamp soil on a long and narrow special site which is difficult to spread by a large-scale tamping machine, reduces the possibility of recessing the road, and saves materials consumed in road repair;

2. before the gasbag is gassing, the workman rotates the shutoff ring for the notch that gives way on the shutoff ring rotates in advance to communicate with each other with the exhaust hole of selected bore, and the ring gear can drive the shutoff ring and rotate in step, and the air in the gasbag can only be discharged through the communicating exhaust hole of notch that gives way, and is not influenced by other aperture exhaust holes.

Drawings

Fig. 1 is a schematic structural view of an embodiment of the present application.

Fig. 2 is a cross-sectional view of an embodiment of the present application between a mounting cylinder, an inflatable cylinder and a lifting disk.

Fig. 3 is an exploded view of the embodiment of the present application between the toothed ring and the occlusion ring.

Reference numerals illustrate: 1. a mounting cylinder; 2. a cover plate; 21. ventilation holes; 3. a lifting disc; 4. a pressure head; 5. an air bag; 6. an inflatable cylinder; 61. an air inlet hole; 7. a ring cover; 8. a cylinder; 9. an inflatable ring plate; 91. sealing grooves; 10. a carrier ring; 11. a toothed ring; 111. an exhaust hole; 112. plugging the groove; 12. a motor; 13. a gear; 14. a plugging ring; 141. a yielding slot; 15. a soil collecting cover; 151. an adjustment tank; 16. a fastening bolt; 17. and (3) sealing rings.

Detailed Description

The present application is described in further detail below in conjunction with figures 1-3.

The embodiment of the application discloses rammed earth structure that municipal works road was laid.

Referring to fig. 1 and 2, the rammed earth structure for paving municipal engineering roads comprises acylindrical installation cylinder 1, wherein theinstallation cylinder 1 is hollow and is arranged with an open top, the top of theinstallation cylinder 1 is bolted with acover plate 2, and a plurality of ventilation holes 21 are formed in thecover plate 2.

Referring to fig. 1 and 2, alifting disk 3 is vertically slid in theinstallation cylinder 1, and thelifting disk 3 is tightly attached to the vertical inner wall of theinstallation cylinder 1. The bottom coaxial threaded connection oflifting disk 3 has the pressure head 4 of the installation section ofthick bamboo 1 bottom of sliding downwards, and the longitudinal section of pressure head 4 is the setting of falling T, has the interval between the position that pressure head 4 and installation section ofthick bamboo 1 bottom were supplied its slip to wear out.

Referring to fig. 1 and 2, thelifting disc 3 and the pressure head 4 are both coated with polytetrafluoroethylene, and the polytetrafluoroethylene has a low friction coefficient, so that thelifting disc 3 and the pressure head 4 can more smoothly realize vertical lifting motion on the mountingcylinder 1.

Referring to fig. 1 and 2, anannular air bag 5 with a hollow interior is placed between thelifting disk 3 and the inner bottom wall of theinstallation cylinder 1, an inflation assembly for inflating theair bag 5 is arranged on theinstallation cylinder 1, and a deflation assembly for deflating theair bag 5 is also arranged on theinstallation cylinder 1.

Referring to fig. 1 and 2, the air charging assembly comprises anair charging barrel 6 with a hollow interior and an open top, a mountingbarrel 1 is coaxially and fixedly arranged in theair charging barrel 6, the bottom of the mountingbarrel 1 penetrates out of theair charging barrel 6, and aring cover 7 is bolted between theair charging barrel 6 and the top of the mountingbarrel 1.

Thering cover 7 is bolted with twoair cylinders 8, the twoair cylinders 8 are symmetrically distributed about the axis of theair charging barrel 6, the piston rods of theair cylinders 8 extend into theair charging barrel 6 and are in threaded connection with an air chargingring plate 9, and the air chargingring plate 9 is tightly attached to the outer wall of the mountingbarrel 1 and the inner wall of theair charging barrel 6.

A plurality ofair inlets 61 are circumferentially arranged on theinflatable cylinder 6 at positions close to thering cover 7, and the air inlet end of theair bag 5 extends into theinflatable cylinder 6 and is communicated with the inner cavity of the inflatable cylinder.

Referring to fig. 1 and 2, a worker moves the rammed earth structure to a construction position, and then activates theair cylinder 8, and the piston rod of theair cylinder 8 is extended, thereby driving the air chargingring plate 9 to move downward.

When the height of theinflatable ring plate 9 is lower than that of theair inlet hole 61, air between the mountingcylinder 1 and theinflatable cylinder 6 is pressed into theair bag 5 by theinflatable ring plate 9, and theair bag 5 expands, so that the pressure head 4 is driven to move upwards through thelifting disc 3.

Referring to fig. 1 and 2, the circumferential inner side wall and the circumferential outer side wall of theinflatable ring plate 9 are provided with sealinggrooves 91, sealing rings 17 are embedded in the sealinggrooves 91, and the sealing rings 17 are beneficial to improving the sealing performance between theinflatable ring plate 9 and the mountingcylinder 1 and between theinflatable ring plate 9 and theinflatable cylinder 6, so that the possibility of gas leakage during inflation of theair bag 5 is reduced.

Referring to fig. 1, 2 and 3, the deflation assembly comprises abearing ring 10 which is coaxial and is bolted to the bottom of theinstallation cylinder 1, the longitudinal section of thebearing ring 10 is in an L-shaped arrangement, atoothed ring 11 is sleeved on thebearing ring 10 in a rotating way, and thetoothed ring 11 is tightly attached to the bottom wall of theinstallation cylinder 1.

A plurality of vent hole groups are circumferentially arranged on thetoothed ring 11, each vent hole group comprises a plurality of vent holes 111, and the diameters of the vent holes 111 in the same group gradually become smaller along the circumferential direction of thetoothed ring 11.

Theair bag 5 is provided with a plurality of air outlet ends, and one air outlet end corresponds to and is used for communicating with one air outlet hole group.

The outer side wall of theinflatable cylinder 6 is bolted with amotor 12 electrically connected with a control system, themotor 12 adopts a forward andreverse rotation motor 12 in the prior art, and agear 13 meshed with thetoothed ring 11 is fixedly sleeved on an output shaft of themotor 12.

Referring to fig. 1, 2 and 3, a worker starts amotor 12 through a control system, and an output shaft of themotor 12 drives atoothed ring 11 to rotate through agear 13 until anexhaust hole 111 communicates with theairbag 5. At this time, air in theair bag 5 is rapidly discharged through theair discharge hole 111, theair bag 5 is rapidly contracted, and the pressure head 4 is rapidly lowered under the action of gravity so as to smash on the soil layer, thereby realizing ramming.

Referring to fig. 1, 2 and 3, when the piston rod of thecylinder 8 drives the air chargingring plate 9 to be reset upwards, theexhaust hole 111 and theair bag 5 still maintain a communicated state, and the outside air is sucked back into theair charging cylinder 6 through theexhaust hole 111 and theair bag 5.

Because each air vent group comprises a plurality ofair vents 111 with different apertures, under the control of a control system, theair vents 111 with different apertures are selected to be communicated with theair bags 5, and the falling speed of the pressure head 4 is regulated through the air exhausting speed of theair bags 5, so that the soil tamping effect on soil bodies of different types is improved.

Referring to fig. 1, 2 and 3, since thering gear 11 rotates so that theair bag 5 communicates with theappropriate vent hole 111, it may communicate with other vent holes 111, resulting in that a part of the air in theair bag 5 does not function.

Referring to fig. 1, 2 and 3, the side of thetoothed ring 11 facing away from the mountingcylinder 1 is provided with a ring-shapedblocking groove 112 coaxially, theexhaust hole 111 is located in the blockinggroove 112, the blockinggroove 112 is provided with a blockingring 14 in a rotating manner, and the blockingring 14 is erected on thebearing ring 10 and is tightly attached to thetoothed ring 11.

Thecarrier ring 10 is circumferentially provided with a plurality ofrelief notches 141, onerelief notch 141 corresponds to one relief hole group, the caliber of therelief notch 141 is limited, and at most, therelief notch 141 can be communicated with oneexhaust hole 111.

Referring to fig. 1, 2 and 3, before deflation, a worker first rotates the blockingring 14, thereby pre-rotating therelief slots 141 to communicate with the appropriate vent holes 111, and then themotor 12 rotates thedrive ring 11.

The blockingring 14 has a blocking effect on the vent holes 111, so that even if theair bag 5 is communicated with other vent holes 111 and no air is discharged, the air can be discharged only when theair bag 5 is communicated with the vent holes 111 at the yieldingnotch 141.

Referring to fig. 2, in addition, the position of the ram 4 near the bottom thereof is also slidably sleeved with asoil collecting cover 15, the diameter of thesoil collecting cover 15 near the bottom thereof gradually increases along the direction from top to bottom, and a locking member is provided between thesoil collecting cover 15 and the ram 4.

Referring to fig. 2, when soil compaction is initially started, the lowest part of thesoil collecting cover 15 is lower than the bottom surface of the pressure head 4, so that when thesoil collecting cover 15 contacts with the soil, part of the soil presses the soil layer in a direction approaching to the axis of the pressure head 4 under the action of thesoil collecting cover 15.

And then thesoil collecting cover 15 is moved upwards, so that the lowest position of thesoil collecting cover 15 is higher than the ground of the pressure head 4, and at the moment, the pressure head 4 can tamper the soil body more tightly by tamping the soil body of the frustum type soil body.

Referring to fig. 2, the locking member includes afastening bolt 16 screwed on the ram 4, an adjustinggroove 151 is vertically formed on thesoil collecting cover 15, and thefastening bolt 16 is located in the adjustinggroove 151 and slidably engaged with the adjusting groove. By providing theadjustment groove 151, thesoil collecting cover 15 can be smoothly moved up and down.

The implementation principle of the rammed earth structure paved on municipal engineering roads is as follows:

the worker moves the rammed earth structure to the construction position, then starts thecylinder 8, and the piston rod of thecylinder 8 extends out, thereby driving the air chargingring plate 9 to move downwards.

When the height of theinflatable ring plate 9 is lower than that of theair inlet hole 61, air between the mountingcylinder 1 and theinflatable cylinder 6 is pressed into theair bag 5 by theinflatable ring plate 9, and theair bag 5 expands, so that the pressure head 4 is driven to move upwards through thelifting disc 3.

The worker rotates the blockingring 14 so that the yieldingnotch 141 is communicated with thevent hole 111 with the selected aperture in advance, then themotor 12 is started by the control system, and the output shaft of themotor 12 drives thetoothed ring 11 and the blockingring 14 to rotate through thegear 13 until thevent hole 111 at the yieldingnotch 141 is communicated with theair bag 5. At this time, air in theair bag 5 is rapidly discharged through theair discharge hole 111, theair bag 5 is rapidly contracted, and the pressure head 4 is rapidly lowered under the action of gravity so as to smash on the soil layer, thereby realizing ramming.

The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims (8)

1. The utility model provides a rammed earth structure that municipal works road was laid which characterized in that: including inside cavity and open-top installation section of thick bamboo (1), the top lid of installation section of thick bamboo (1) closes there is apron (2), vertical slip has lifting disk (3) in installation section of thick bamboo (1), the bottom of lifting disk (3) is provided with the slip and wears out pressure head (4) of installation section of thick bamboo (1) bottom, lifting disk (3) with be equipped with between the interior bottom wall of installation section of thick bamboo (1) and be annular and inside hollow gasbag (5), be equipped with on installation section of thick bamboo (1) and be used for right gasbag (5) realize inflated inflation component, be used for right gasbag (5) realize the gassing subassembly of gassing.

2. The rammed earth structure for municipal works road paving of claim 1, wherein: the utility model provides an inflatable module, including inside cavity and open-top's inflatable cylinder body (6), install barrel (1) are located inflatable cylinder body (6), inflatable cylinder body (6)'s top is provided with ring lid (7), be provided with cylinder (8) on ring lid (7), the piston rod of cylinder (8) stretches into inflatable cylinder body (6) are interior and be connected with inflatable ring board (9), inflatable ring board (9) with install barrel (1) inflatable ring board (9) with inflatable cylinder body (6) all hugs closely, be close to on inflatable cylinder body (6) have seted up in the position of ring lid (7) have inlet port (61), the inlet end of gasbag (5) with the inner chamber of inflatable cylinder body (6) communicates with each other.

3. The rammed earth structure for municipal works road paving of claim 1, wherein: the air discharging assembly comprises a toothed ring (11) which is rotatably arranged at the bottom of the mounting cylinder (1), the toothed ring (11) is tightly attached to the outer bottom wall of the mounting cylinder (1), an air discharging hole (111) is formed in the toothed ring (11), the air discharging end of the air bag (5) is arranged at the bottom wall of the mounting cylinder (1) and is used for being communicated with the air discharging hole (111), a motor (12) which is electrically connected to a control system is arranged on the outer wall of the air charging cylinder (6), and a gear (13) meshed with the toothed ring (11) is arranged on the output shaft of the motor (12).

4. A rammed earth structure for municipal works road paving according to claim 3, wherein: a plurality of exhaust holes (111) are circumferentially formed in the toothed ring (11), and the diameters of the exhaust holes (111) are gradually reduced in the circumferential direction.

5. The rammed earth structure for municipal works road paving of claim 4, wherein: the sealing device is characterized in that a sealing groove (112) which is circular is formed in one side, facing away from the mounting cylinder (1), of the toothed ring (11), the exhaust hole (111) is located in the sealing groove (112), a sealing ring (14) is rotationally arranged in the sealing groove (112), a yielding notch (141) is formed in the sealing ring (14), and the yielding notch (141) can be communicated with one exhaust hole (111) at most.

6. The rammed earth structure for municipal works road paving of claim 1, wherein: the soil collecting cover (15) is sleeved on the pressure head (4) in a sliding mode, the diameter of the soil collecting cover (15) close to the bottom of the soil collecting cover is gradually increased along the direction from top to bottom, and a locking piece is arranged between the soil collecting cover (15) and the pressure head (4).

7. The rammed earth structure for municipal works road paving of claim 6, wherein: the locking piece comprises a fastening bolt (16) which is connected with the pressure head (4) in a threaded mode, an adjusting groove (151) is vertically formed in the soil collecting cover (15), and the fastening bolt (16) is located in the adjusting groove (151) and is in sliding fit with the adjusting groove.

8. The rammed earth structure for municipal works road paving of claim 1, wherein: polytetrafluoroethylene is coated on the lifting disc (3) and the pressure head (4).

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