CN112937650A

CN112937650A - Concrete road auxiliary walking device for municipal works convenient to cross road pit

Info

Publication number: CN112937650A
Application number: CN202110104550.8A
Authority: CN
Inventors: 沈军民; 刘镛; 杨魏; 殷志俊; 陈林梅; 张强; 彭梅
Original assignee: Jiangsu Yuanping Garden Construction Co ltd
Current assignee: Jiangsu Yuanping Garden Construction Co ltd
Priority date: 2021-01-26
Filing date: 2021-01-26
Publication date: 2021-06-11
Anticipated expiration: 2041-01-26
Also published as: CN112937650B

Abstract

The application relates to a concrete road auxiliary walking device for municipal engineering, which is convenient to cross a road pit and relates to the field of municipal engineering, and the concrete road auxiliary walking device comprises a rack, wherein a moving shaft is rotatably connected to the rack, and a moving wheel for driving the rack to move is arranged on the moving shaft; the lateral wall of the moving wheel is provided with a plurality of supporting legs which are arrayed along the circumferential direction of the moving wheel. This application has the effect that the removal wheel is convenient for cross sunken road pit.

Description

Concrete road auxiliary walking device for municipal works convenient to cross road pit

Technical Field

The application relates to the field of municipal works, in particular to a concrete road auxiliary walking device for municipal works, which is convenient to cross road pits.

Background

The existing roads are mainly divided into four types, namely ordinary stone roads, cement concrete roads, asphalt concrete roads and recycled asphalt concrete roads, the road surfaces of the roads are often subjected to influences of underground water, rainwater, heavy-duty vehicles, external natural factors and the like, sunken road pits are prone to water accumulation in rainy days, water splash can occur when a motor vehicle drives the water accumulation road pits, so that pedestrians, non-motor vehicles and motor vehicles beside the roads can be influenced to normally run, the water accumulation of the sunken road pits is not timely treated, the damage of the road surfaces can be accelerated under the condition of heavy-duty vehicle rolling, and therefore the road maintenance cost is increased.

Chinese patent with publication number CN106149608B discloses a concrete road auxiliary walking device for municipal engineering, which comprises an auxiliary lower platform, wherein a main positioning cylinder is welded in the middle of the upper end face of the auxiliary lower platform, a main positioning shaft is sleeved in the main positioning cylinder, an auxiliary upper platform is welded at the upper end of the main positioning shaft, four limit branched chains are symmetrically arranged between the auxiliary upper platform and the auxiliary lower platform, and the four evenly-arranged limit branched chains have good damping and buffering functions; the limiting branched chain comprises a limiting sliding column welded on the auxiliary upper platform and a concave limiting sliding groove welded on the auxiliary lower platform, the limiting sliding column is connected with the concave limiting sliding groove in a sliding fit mode, a second limiting spring is connected to the lower end face of the limiting sliding column, and the lower end face of the second limiting spring is sleeved on the auxiliary positioning shaft.

The inventor discovers that the above scheme relies on four sets of omni wheels to realize removing, and the motion is comparatively steady, nevertheless the omni wheel skids in sunken road pit easily after falling into sunken road pit and is blocked, needs to lift out sunken road pit with the omni wheel that falls into sunken road pit just can continue to remove, and is comparatively troublesome, influences ponding cleaning efficiency.

Disclosure of Invention

In order to improve the easy problem of going into sunken road pit of going into of omniwheel, this application provides a concrete road assists running gear for municipal works convenient to cross the road pit.

The application provides a pair of concrete road assists running gear for municipal works convenient to cross road pit adopts following technical scheme:

a concrete road auxiliary walking device for municipal engineering convenient to cross a road pit comprises a rack, wherein a moving shaft is rotatably connected to the rack, and moving wheels for driving the rack to move are arranged on the moving shaft;

the lateral wall of the moving wheel is provided with a plurality of supporting legs which are arrayed along the circumferential direction of the moving wheel.

Through adopting above-mentioned technical scheme, it drives the frame and removes to remove the wheel, when removing the wheel and rolling, supporting leg and ground contact, when meetting sunken road pit and remove the wheel and be stuck in sunken road pit in, because the supporting leg separately sets up, when partial supporting leg is stuck in sunken road pit in, along with removing the rotation of wheel, other supporting legs and the lateral wall in sunken road pit or the outer position contact of sunken road pit, along with removing the rotation of wheel, the focus removes to the supporting leg in the place ahead on, make and remove the wheel and cross sunken road pit, and the supporting leg is little with ground area of contact, local pressure is powerful, so be difficult for producing and skid.

Optionally, be equipped with on the lateral wall of removal wheel and supply supporting leg male shifting chute, the part that the supporting leg was inserted in the shifting chute is equipped with the dog, be equipped with on the lateral wall of shifting chute and supply the gliding catch groove of dog, the step butt that dog and catch groove and the juncture of shifting chute formed, the one end that the wheel was kept away from to the supporting leg is equipped with the circular arc board, the cover is equipped with first compression spring on the supporting leg, first compression spring's one end and circular arc board butt, the other end and the lateral wall butt of removal wheel.

Through adopting above-mentioned technical scheme, first compression spring is convenient for carry out the shock attenuation to the circular arc board, promotes the stability that removes the wheel and remove.

Optionally, when the stop block is abutted to one end, away from the supporting leg, of the blocking groove, the plurality of arc plates are spliced into a ring, and the moving wheel is provided with a fixing device for fixing the position of the supporting leg.

Through adopting above-mentioned technical scheme, when walking on comparatively flat road surface, can synthesize a ring with all circular arc boards for it is the same with ordinary wheel hub to remove the wheel, is convenient for remove on flat road surface, and fixing device then is convenient for remove the wheel and switches these two kinds of states.

Optionally, fixing device includes axis of rotation and haulage rope, the axis of rotation is rotated with the one end that removes the wheel orientation and remove the axle and is connected, axis of rotation and removal wheel coaxial line, the quantity of haulage rope is the same with the supporting leg, and has a plurality ofly along the circumference array of axis of rotation, the one end of haulage rope is connected with the lateral wall of axis of rotation, and the other end is connected with the dog, it still is equipped with the stop device who is used for fixed axis of rotation to remove to take turns.

Through adopting above-mentioned technical scheme, the axis of rotation rotates, the pulling haulage rope, and the haulage rope then stimulates the dog, keeps away from the one end butt of supporting leg until dog and fender groove, makes a plurality of circular arc boards piece into the ring, and it is fixed with the axis of rotation through stop device this moment, then realizes removing the switching of the state that the wheel was convenient for remove on flat road surface.

Optionally, stop device includes stop collar and spacer pin, the stop collar is fixed in and removes the wheel and keep away from the one end of removing the axle, the stop collar with remove the wheel coaxial line, and the diameter is greater than the axis of rotation, spacer pin and stop collar threaded connection, be equipped with in the axis of rotation and supply spacer pin male spacing hole, when the dog was drawn by the haulage rope and kept away from the one end butt of supporting leg with the catch groove, spacing hole and spacer pin coaxial line.

Through adopting above-mentioned technical scheme, when the axis of rotation removed to a plurality of circular arc boards and pieced together into the ring, spacing hole and spacer pin coaxial line rotated the spacer pin this moment for the spacer pin inserts spacing hole, fixes the axis of rotation.

Optionally, one end of the arc plate, which is far away from the supporting leg, is provided with a rubber pad.

Through adopting above-mentioned technical scheme, the rubber pad is convenient for carry out the shock attenuation to removing the wheel.

Optionally, the cross-section of the rubber pad is fan-shaped, and when a plurality of the circular arc plate plates are spliced into a circular ring, a plurality of the rubber pads are also spliced into the circular ring.

Through adopting above-mentioned technical scheme, be convenient for when the removal wheel switches into the state of rolling on the level road surface, the rubber pad also can adapt to.

Optionally, the arc plate is equipped with the spout towards the one end of rubber pad, sliding connection has the slider in the spout, the slider slides along the tangential direction of arc plate intermediate position, be equipped with on the rubber pad and supply slider male sliding tray, be equipped with the fixture block on the lateral wall of the one end of slider towards the rubber pad, be equipped with on the lateral wall of sliding tray and supply fixture block male draw-in groove, still be equipped with the second compression spring who is used for pushing the fixture block into the draw-in groove in the spout, second compression spring sets up along the slip direction of slider, the slider is equipped with the driving lever along removing the axial one end of taking turns, the arc plate is worn out to the one end that the slider was kept away from to the driving lever, set up on the arc plate and supply.

By adopting the technical scheme, the rubber pad and the arc plate can be detached, so that the rubber pad is convenient to replace, and the possibility of abrasion of the arc plate is reduced; when the rubber pad is installed, the shifting lever is shifted to enable the second compression spring to be in a compression state, then the sliding groove is sleeved on the clamping block and the sliding block, after the clamping block is inserted in place, the shifting lever is loosened, the clamping block is inserted into the clamping groove under the action of the second compression spring, and the rubber pad is fixed on the arc plate.

Optionally, an inclined surface is arranged at one end, away from the sliding block, of the clamping block, the inclined surface is arranged towards the rubber pad, and when the rubber pad moves towards the arc plate, the side edge of the sliding groove abuts against the inclined surface and pushes the sliding block towards the second compression spring, so that the sliding block is inserted into the sliding groove.

Through adopting above-mentioned technical scheme, when the rubber pad was installed, only need press the rubber pad to the circular arc board, the side and the inclined plane butt of sliding tray promote the slider towards second compression spring, and then make the sliding tray cover on fixture block and slider, need not to stir the driving lever.

Optionally, a stop block for preventing the slide block from resetting is arranged on the side wall of the moving wheel with the shifting groove.

Through adopting above-mentioned technical scheme, the dog is convenient for prevent the slider and resets, reduces when removing the wheel and remove, and the rubber pad is dropped probably.

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

1. through the arrangement of the moving wheels and the supporting legs, the effect that the moving wheels can conveniently cross the concave road pit is achieved;

2. through the setting of rubber pad and first compression spring, reduce the possibility that the circular arc board received wearing and tearing, carry out the shock attenuation to removing the wheel simultaneously, promote the stability that the frame removed.

3. Through fixing device and stop device's setting, realize removing the switching of two kinds of different states that the wheel walked on the road of the frustration and the flat road, promote the practicality of removing the wheel.

Drawings

Fig. 1 is a schematic structural diagram of the whole in the embodiment of the present application.

Fig. 2 is a schematic structural diagram of a movable wheel embodied in the embodiment of the present application.

Fig. 3 is a sectional structure diagram showing the connection relationship between the fixing device, the stopper, the blocking groove and the rubber pad and the arc plate in the embodiment of the present application.

Fig. 4 is a partially enlarged view of a portion C in fig. 3.

Fig. 5 is a partially enlarged view of a portion a in fig. 2.

Fig. 6 is a partially enlarged view of a portion B in fig. 2.

Description of reference numerals: 1. a frame; 11. a fixing plate; 12. mounting a plate; 2. a movable shaft; 3. a moving wheel; 31. a moving groove; 311. a baffle groove; 3111. a step; 32. supporting legs; 321. a stopper; 322. a first compression spring; 33. a circular arc plate; 331. a chute; 332. a slider; 3321. a clamping block; 3322. a second compression spring; 3323. a deflector rod; 3324. a groove is poked; 3325. a bevel; 34. a rubber pad; 341. a sliding groove; 3411. a card slot; 342. a clamping groove; 3421. a tension spring; 3222. a bit block; 4. a fixing device; 41. a rotating shaft; 42. a hauling rope; 43. a limiting device; 431. a limiting sleeve; 4311. a limiting hole; 432. and a limiting pin.

Detailed Description

The present application is described in further detail below with reference to figures 1-6.

The embodiment of the application discloses concrete road auxiliary walking device for municipal works convenient to cross road pit.

Referring to fig. 1, a concrete road auxiliary walking device for municipal works convenient to cross road pit includes frame 1, and frame 1 includes two fixed plates 11 that are parallel to each other, fixedly connected with mounting panel 12 between two fixed plates 11, and mounting panel 12 is used for installing ponding treatment facility. Two fixed plates 11 are also rotatably connected with a movable shaft 2, and the movable shaft 2 is arranged along the width direction of the frame 1 and oppositely arranged along the length direction of the frame 1. The moving shaft 2 is fixedly connected with moving wheels 3 along the two axial ends of the moving shaft, so that the concrete road can walk conveniently.

Referring to fig. 2 and 3, a plurality of moving grooves 31 are formed in the side wall of the moving wheel 3 along the radial direction of the moving wheel, the moving grooves 31 are arrayed along the circumferential direction of the moving wheel 3, and supporting legs 32 are slidably connected in the moving grooves 31. One end of the supporting leg 32 facing the axis of the moving wheel 3 is fixedly connected with a stop block 321, and a stop groove 311 is formed in the side wall of the moving groove 31 and used for allowing the stop block 321 to slide along the sliding direction of the supporting leg 32. A step 3111 is formed at the boundary between the blocking groove 311 and the moving groove 31 to prevent the support leg 32 from being separated from the moving groove 31. Supporting leg 32 is kept away from the one end fixedly connected with circular arc board 33 that removes wheel 3, and the cover is equipped with first compression spring 322 on the supporting leg 32, and first compression spring 322's one end and circular arc board 33 butt, the other end and the lateral wall butt that removes wheel 3.

Referring to fig. 3 and 4, a rubber pad 34 is disposed at an end of the arc plate 33 away from the support leg 32, a common projection of the rubber pad 34 and the arc plate 33 along an axial direction of the moving wheel 3 is a sector, and when the stopper 321 abuts against an end of the blocking groove 311 away from the support leg 32, the plurality of arc plates 33 form a circular ring, so that the moving wheel 3 rolls on a flat road surface. The circular arc plate 33 is matched with the matching position of the rubber pad 34. The circular arc board 33 has seted up spout 331 towards the one end of rubber pad 34, is equipped with two spouts 331 on same circular arc board 33, and two spouts 331 set up along moving wheel 3 along the tangential direction of circular arc board 33 intermediate position relatively. The sliding groove 331 is slidably connected with a sliding block 332, and the sliding block 332 slides along the tangential direction of the middle position of the arc plate 33. The opposite side walls of the two sliding blocks 332 are fixedly connected with clamping blocks 3321. One end of the rubber pad 34 facing the arc plate 33 is provided with a sliding groove 341 for inserting the sliding block 332 and the clamping block 3321, the sum of the clamping block 3321 and the sliding block 332 is matched with the sliding groove 341, and a clamping groove 3411 for inserting the clamping block 3321 is formed on the side wall of the sliding groove 341. The sliding groove 331 is further provided with a second compression spring 3322, the second compression spring 3322 is disposed along the sliding direction of the sliding block 332, and the second compression spring 3322 is disposed on the side wall of the sliding block 332 far away from the clamping block 3321, so as to push the clamping block 3321 to the clamping groove 3411.

Referring to fig. 4 and 5, a shift lever 3323 is fixed at an end of the slider 332 away from the moving shaft 2, an end of the shift lever 3323 away from the slider 332 penetrates through the arc plate 33, and a shift groove 3324 is formed in the arc plate 33 and used for allowing the shift lever 3323 to slide along the sliding direction of the slider 332.

Referring to fig. 3 and 4, an inclined surface 3325 is disposed at an end of the fixture block 3321 away from the sliding block 332, the inclined surface 3325 is disposed toward the rubber pad 34, when the rubber pad 34 moves toward the arc plate 33, the sliding groove 341 sleeves the head of the fixture block 3321 and the sliding block 332, then the side of the sliding groove 341 abuts against the inclined surface 3325 and pushes the sliding block 332 toward the second compression spring 3322, so that the sliding block 332 is inserted into the sliding groove 341, and when the sliding block 332 is inserted to the bottom, the fixture block 3321 is inserted into the clamping groove 3411 under the push of the second compression spring 3322, so that the rubber pad 34 is fixed on the arc plate 34133 by the cooperation of the two fixture blocks 3321 and the clamping groove. The two sliding grooves 341 communicate with each other.

Referring to fig. 2 and 5, the side wall of the movable wheel 3, on which the shifting grooves 3324 are formed, is formed with a locking groove 342, and the locking groove 342 is formed between the two shifting grooves 3324 and communicates with the two shifting grooves 3324. A tension spring 3421 is fixedly connected to the bottom of the locking groove 342, and a locking block 3222 is fixedly connected to one end of the tension spring 3421 away from the locking groove 342. When the positioning block 3222 is in the retracted state, the positioning block 3222 is located in the positioning groove 342 and between the two shift levers 3323, so that the two shift levers 3323 cannot be reset, and the rubber pad 34 is prevented from falling off due to the fixture block 3321 being separated from the positioning groove 3411. When the rubber pad 34 needs to be removed, the positioning block 3222 is pulled out of the positioning groove 342, so that the distance between the positioning block 3222 and the sliding block 332 is greater than the length of the shift lever 3323, the two shift levers 3323 move relatively at the moment, the clamping block 3321 can be separated from the clamping groove 3411, the rubber pad 34 moves towards the direction far away from the moving wheel 3, the rubber pad 34 can be taken down from the arc plate 33, the rubber pad 34 is convenient to replace, and the possibility of damage caused by abrasion of the arc plate 33 is reduced.

Referring to fig. 3, the moving wheel 3 is provided with a fixing device 4, the fixing device 4 comprises a rotating shaft 41 and a traction rope 42, the rotating shaft 41 is rotatably connected with the end surface of the moving wheel 3 facing the moving shaft 2, and the rotating shaft 41 is coaxial with the moving wheel 3. The number of the pulling ropes 42 is the same as that of the supporting legs 32, and a plurality of pulling ropes 42 are arranged along the circumferential direction of the rotating shaft 41, one end of each pulling rope 42 is fixedly connected with the side wall of the rotating shaft 41, and the other end penetrates into the retaining groove 311 and is fixedly connected with the retaining block 321. When the rotating shaft 41 rotates, the pulling rope 42 is wound around the rotating shaft 41, and simultaneously the pulling rope 42 pulls the stopper 321, so that the stopper 321 is abutted to one end of the blocking groove 311 away from the supporting leg 32, and at the moment, the plurality of circular arc plates 33 and the rubber pad 34 form a circular ring, so that the moving wheel 3 can move on a flat road surface conveniently. The moving wheel 3 is further provided with a limiting device 43 for fixing the position of the rotating shaft 41 after the rotating shaft 41 rotates.

Referring to fig. 2 and 6, the position limiting device 43 includes a position limiting sleeve 431 and a position limiting pin 432, the position limiting sleeve 431 is fixed on the end surface of the moving wheel 3 far from the moving shaft 2, and the position limiting sleeve 431 is coaxial with the moving wheel 3 and is sleeved outside the rotating shaft 41. The limit pin 432 is in threaded connection with the limit sleeve 431, a limit hole 4311 for the limit pin 432 to insert is formed in the rotating shaft 41, when the stop 321 is pulled by the traction rope 42 and abuts against one end, far away from the support leg 32, of the stop groove 311, the limit hole 4311 is coaxial with the limit pin 432, the limit pin 432 is rotated at the moment, the limit pin 432 is inserted into the limit hole 4311, the rotating shaft 41 can be fixed, and the plurality of arc plates 33 and the rubber pad 34 are kept in a ring splicing state for a long time.

The implementation process of the concrete road auxiliary walking device for municipal works convenient to cross road pits in the embodiment of the application is as follows: when the moving wheel 3 sinks into the sunken road pit, only part of the rubber pads 34 fall into the sunken road pit and cannot influence other rubber pads 34, along with the rolling of the moving wheel 3, the rest of the rubber pads 34 gradually contact with the side wall of the sunken road pit or the ground outside the sunken road pit, the center of the moving wheel 3 is gradually transferred to the rest of the rubber pads 34, the rubber pads 34 sinking into the sunken road pit are pulled out of the sunken road pit, and then the moving wheel 3 can conveniently cross the sunken road pit.

When the movable wheel needs to move on a flat ground, the rotating shaft 41 is rotated, the pulling rope 42 is gradually wound on the rotating shaft 41, the pulling rope 42 pulls the stop block 321 to move towards the axis of the movable wheel 3 until the stop block 321 is abutted to one end, far away from the supporting leg 32, of the stop groove 311, all the rubber pads 34 and the arc plates 33 on the movable wheel 3 are spliced into a circular ring, and the limiting hole 4311 is also coaxial with the limiting pin 432. Then, the stopper pin 432 is rotated so that the stopper pin 432 is inserted into the stopper hole 4311, and the rotation shaft 41 is fixed, thereby completing the switching of the state and facilitating the movement of the movable wheel 3 on a flat ground.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a concrete road assists running gear for municipal works convenient to cross road pit which characterized in that: the device comprises a rack (1), wherein a moving shaft (2) is rotatably connected to the rack (1), and moving wheels (3) for driving the rack (1) to move are arranged on the moving shaft (2);

the side wall of the moving wheel (3) is provided with a plurality of supporting legs (32), and the supporting legs (32) are arrayed along the circumferential direction of the moving wheel (3).

2. The concrete road auxiliary walking device for municipal works convenient for crossing a road pit according to claim 1, wherein: be equipped with on the lateral wall of removal wheel (3) and supply supporting leg (32) male shifting chute (31), the part that supporting leg (32) were inserted in shifting chute (31) is equipped with dog (321), be equipped with on the lateral wall of shifting chute (31) and supply gliding catch groove (311) of dog (321), step (3111) butt that dog (321) and catch groove (311) and the juncture of shifting chute (31) formed, the one end that the removal wheel (3) was kept away from in supporting leg (32) is equipped with circular arc board (33), the cover is equipped with first compression spring (322) on supporting leg (32), the one end and circular arc board (33) butt of first compression spring (322), the other end and the lateral wall butt of removal wheel (3).

3. The concrete road auxiliary walking device for municipal works convenient for crossing a road pit according to claim 2, wherein: when the stop block (321) is abutted to one end, far away from the supporting leg (32), of the stop groove (311), the circular arc plates (33) are spliced into a circular ring, and the moving wheel (3) is provided with a fixing device (4) for fixing the position of the supporting leg (32).

4. The concrete road auxiliary walking device for municipal works convenient for crossing over a road pit according to claim 3, wherein: fixing device (4) are including axis of rotation (41) and haulage rope (42), axis of rotation (41) are rotated with the one end of removing wheel (3) orientation removal axle (2) and are connected, axis of rotation (41) and removal wheel (3) coaxial line, the quantity of haulage rope (42) is the same with supporting leg (32), and has a plurality ofly along the circumferential array of axis of rotation (41), the one end of haulage rope (42) is connected with the lateral wall of axis of rotation (41), and the other end is connected with dog (321), still be equipped with stop device (43) that are used for fixed axis of rotation (41) on removing wheel (3).

5. The concrete road auxiliary walking device for municipal works convenient for crossing over a road pit according to claim 4, wherein: stop device (43) include stop collar (431) and spacer pin (432), stop collar (431) are fixed in and are removed wheel (3) and keep away from the one end of removing axle (2), stop collar (431) and removal wheel (3) coaxial line, and the diameter is greater than axis of rotation (41), spacer pin (432) and stop collar (431) threaded connection, be equipped with on axis of rotation (41) and supply spacer pin (432) male spacing hole (4311), during dog (321) received haulage rope (42) to pull and keep away from the one end butt of supporting leg (32) with catch groove (311), spacing hole (4311) and spacer pin (432) coaxial line.

6. The concrete road auxiliary walking device for municipal works convenient for crossing a road pit according to claim 2, wherein: and a rubber pad (34) is arranged at one end of the arc plate (33) far away from the supporting leg (32).

7. The concrete road auxiliary walking device for municipal works convenient for crossing over a road pit according to claim 6, wherein: the cross section of the rubber pad (34) is fan-shaped, and when a plurality of the circular arc plates (33) are spliced into a circular ring, the plurality of the rubber pads (34) are also spliced into the circular ring.

8. The concrete road auxiliary walking device for municipal works convenient for crossing over a road pit according to claim 7, wherein: one end, facing the rubber pad (34), of the arc plate (33) is provided with two sliding grooves (331), the two sliding grooves (331) are arranged along the tangential direction of the middle position of the arc plate (33), sliding blocks (332) are connected in the sliding grooves (331) in a sliding mode, the sliding blocks (332) slide along the tangential direction of the middle position of the arc plate (33), sliding grooves (341) for the sliding blocks (332) to insert are formed in the rubber pad (34), clamping blocks (3321) are arranged on the side walls, opposite to each other, of the two sliding blocks (332), clamping grooves (1) for the clamping blocks (3321) to insert are formed in the side walls of the sliding grooves (341), second compression springs (3322) for pushing the clamping blocks (3321) into the clamping grooves (3411) are further arranged in the sliding grooves (331), the second compression springs (3322) are arranged along the sliding direction of the sliding blocks (332), and shift levers (3323) are arranged at one end, facing the axial direction of the, one end, far away from the sliding block (332), of the shifting rod (3323) penetrates out of the arc plate (33), and a shifting groove (3324) for the shifting rod (3323) to slide along the sliding direction of the sliding block (332) is formed in the arc plate (33).

9. The concrete road auxiliary walking device for municipal works convenient for crossing over a road pit according to claim 8, wherein: one end, away from the sliding block (332), of the clamping block (3321) is provided with an inclined surface (3325), the inclined surface (3325) faces the rubber pad (34), and when the rubber pad (34) moves towards the arc plate (33), the side edge of the sliding groove (341) abuts against the inclined surface (3325) and pushes the sliding block (332) towards the second compression spring (3322), so that the sliding block (332) is inserted into the sliding groove (341).

10. The concrete road auxiliary walking device for municipal works convenient for crossing over a road pit according to claim 9, wherein: the side wall of the moving wheel (3) provided with the poking groove (3324) is provided with a clamping block (3222) for preventing the sliding block (332) from resetting.