CN112030659B

CN112030659B - Urban road bituminous paving preventive maintenance structure

Info

Publication number: CN112030659B
Application number: CN202010941069.XA
Authority: CN
Inventors: 林爱; 段润锋; 王水兴; 李云云; 张少鸿; 朱毅民; 朱舒轩
Original assignee: Xiamen Holsin Engineering Technology Co ltd
Current assignee: Xiamen Holsin Engineering Technology Co ltd
Priority date: 2020-09-09
Filing date: 2020-09-09
Publication date: 2021-10-01
Anticipated expiration: 2040-09-09
Also published as: CN112030659A

Abstract

The invention discloses a preventive maintenance structure for an asphalt pavement of an urban road, which belongs to the technical field of pavement maintenance structures and comprises a roadbed, wherein a base layer is arranged at the top of the roadbed, a waterproof asphalt layer is arranged at the top of the base layer, a waterproof adhesive layer is arranged at the top of the waterproof asphalt layer, a road shoulder is arranged on the outer side of the waterproof adhesive layer, a concrete pressure-resistant layer is arranged at the bottom of the road shoulder, a soil base layer is arranged at the bottom of the concrete pressure-resistant layer, and a water collecting tank is arranged on the road shoulder. The arrangement of the concrete pressure-resistant layer at the bottom of the road shoulder can effectively reduce the transverse acting force of the asphalt pavement caused by the compression of vehicles, prevent the asphalt pavement from deforming outwards, avoid the cracking of the pavement and improve the preventive maintenance effect of the pavement. The stainless steel guiding groove can realize the automatic guiding of the maintenance equipment.

Description

Urban road bituminous paving preventive maintenance structure

Technical Field

The invention relates to the field of pavement preventive maintenance structures, in particular to an urban road asphalt pavement preventive maintenance structure.

Background

The preventive maintenance of the asphalt pavement is a planned maintenance strategy based on cost and benefit for the existing pavement under the condition of good pavement condition, and is mainly used for preventing micro damage, delaying progressive damage, reducing the core content of corrective maintenance and preventive maintenance, so that firstly, a road system in a good state is kept for a longer time, the future damage is delayed, and the functional condition of the system is improved on the premise of not increasing the structural bearing capacity;

however, the existing preventive maintenance structure for the pavement has poor cracking resistance effect on the pavement and poor smoothness of the pavement, so that the attractiveness is affected.

Disclosure of Invention

Therefore, the preventive maintenance structure for the asphalt pavement of the urban road needs to be provided, and the problem that the anti-cracking effect of the pavement is poor in the prior art is solved.

In order to achieve the purpose, the invention provides an asphalt pavement preventive maintenance structure for an urban road, which comprises a roadbed, wherein a base layer is arranged at the top of the roadbed, a waterproof asphalt layer is arranged at the top of the base layer, a waterproof adhesive layer is arranged at the top of the waterproof asphalt layer, a road shoulder is arranged on the outer side of the waterproof adhesive layer, a concrete pressure-resistant layer is arranged at the bottom of the road shoulder, a soil base layer is arranged at the bottom of the concrete pressure-resistant layer, a water collecting tank is arranged on the road shoulder, a water guide pipe is arranged at the bottom of the water collecting tank and extends to the outside of the soil base layer, a stainless steel guide groove for guiding maintenance equipment is arranged in the middle of the inside of the waterproof adhesive layer, the side edge of the stainless steel guide groove is parallel to the side edge of the road shoulder, the section of the stainless steel guide groove is square, and the bottom of the stainless steel guide groove is fixed on the surface of the waterproof asphalt layer, the opening of the stainless steel guide groove faces upwards, and the upper edge of the stainless steel guide groove is flush with the upper surface of the waterproof adhesive layer.

Preferably: the top of the water collecting tank is provided with a blocking net.

Preferably: the top of soil basic unit is provided with the sponge board, and evenly sets up on the sponge board and has planted the hole, the inside in planting the hole all is planted and is had the vegetation.

Preferably: the soil base course is provided with the waterproof layer on the interior top, the waterproof layer is level with the top of soil base course.

Preferably: and a partition plate is fixed on one side of the road shoulder, which is far away from the waterproof adhesive layer.

Preferably: and anti-skid grooves are uniformly formed in the tops of the road shoulders.

Preferably: the maintenance equipment comprises a shell, moving wheels are arranged at the bottom of the shell, a guide mechanism is arranged in front of the moving wheels at the bottom of the shell and is arranged at the position of a perpendicular line at the center of a connecting line of the two moving wheels, the guide mechanism comprises a sliding groove, a spring, a sliding block and a rolling column, the two ends of the spring are fixed at the left end and the right end of the sliding groove, the sliding block is arranged in the sliding groove in a sliding manner and is connected with the middle position of the spring, the rolling column is arranged on the surface of the sliding block, the sliding groove is arranged at the bottom of the shell, the rolling column is vertically and downwards arranged, a waste bin is arranged on one side of the bottom in the shell, a waste port is arranged at the bottom of the waste bin, a material guide plate is arranged at the bottom of the waste port, a translation mechanism is arranged on one side, away from the waste bin, of the bottom in the shell, and an L-shaped plate is arranged at the top of the translation mechanism, the air pump is installed at the top of L template, one side that the waste bin was kept away from to the L template articulates there is the mounting panel, and the one end of mounting panel bottom installs the shower nozzle, the top of L template articulates there is electric telescopic handle, and electric telescopic handle's output is articulated with the mounting panel, the output and the shower nozzle intercommunication of air pump, the one end that the shower nozzle was kept away from to the mounting panel bottom is installed the motor, and the output of motor installs the brush dish, the battery is installed at the interior top of casing, the rolling post is arranged in the stainless steel guiding groove.

Preferably: translation mechanism includes horizontal pole, spout and slider, the bottom and the casing fixed connection of horizontal pole, the spout has been seted up at the top of horizontal pole, the inside slidable mounting of spout has the slider, the top and the L template fixed connection of slider, the inside of spout is rotated and is installed the screw rod, the screw rod run through the slider and with between the slider threaded connection, the one end of screw rod runs through the horizontal pole and extends to the outside of casing, and is fixed with the regulating wheel on the screw rod.

Be different from prior art, urban road bituminous paving preventive maintenance structure of above-mentioned technical scheme, the setting of shoulder bottom concrete compressive layer, can reduce the lateral force that bituminous paving produced because of the oppression of vehicle effectively, prevent that bituminous paving from producing outside deformation, avoid the fracture on road surface, improve the preventive maintenance effect on road surface, the setting of soil matrix top sponge board, can reduce the impact force of rainwater to soil under the rainwater weather through the sponge board, and utilize the planting of sponge board top vegetation can reduce the loss of earth, shoulder bottom water pipe and the setting of soil matrix inside waterproof layer, can avoid the rainwater to permeate to the soil matrix inside and cause the soil quality to be loose soft, the horizontal compressive stability of bituminous paving has been ensured, the setting of shoulder outside baffle, can avoid the vegetation to extend to on the road surface, ensure the clean and tidy of road surface. Through the stainless steel guiding groove, the guide to the maintenance equipment can be realized, automatic maintenance is realized, the labor cost is greatly reduced, and the maintenance efficiency is improved.

Drawings

FIG. 1 is a front perspective view of the present invention;

FIG. 2 is a front cross-sectional view of the present invention;

FIG. 3 is a diagram of a concrete compression resistant layer of the present invention;

FIG. 4 is a front cross-sectional view of the curing apparatus of the present invention;

FIG. 5 is a translation mechanism diagram of the curing apparatus of the present invention;

FIG. 6 is a top view of an L-shaped plate of the curing apparatus of the present invention;

FIG. 7 is a structural view of a brush plate of the maintenance device of the present invention;

FIG. 8 is a view showing a structure of a fixing bar of the maintenance apparatus of the present invention;

FIG. 9 is a front view structural view of the maintenance device of the present invention;

fig. 10 is a schematic structural diagram of the guide structure of the present invention.

Description of reference numerals:

1. a housing; 2. a moving wheel; 3. a guide mechanism; 4. a waste bin; 5. a waste material port; 6. a material guide plate; 7. a translation mechanism; 8. an L-shaped plate; 9. an air pump; 10. mounting a plate; 11. an electric telescopic rod; 12. a spray head; 13. a motor; 14. brushing a disc; 15. a storage battery; 16. a negative pressure fan; 17. filtering with a screen; 18. a cross bar; 19. a chute; 20. a slider; 21. a screw; 22. an adjustment wheel; 23. fixing the rod; 24. a first annular disc; 25. a second annular disc; 26. a spring; 27. a brush; 28. fixing a nut; 29. a limiting groove; 30. a limiting block; 31. a roadbed; 32. a base layer; 33. a water impermeable asphalt layer; 34. a waterproof adhesive layer; 35. a road shoulder; 36. a concrete pressure resistant layer; 37. a water collection tank; 38. a water conduit; 39. blocking; 40. a soil base layer; 41. a sponge plate; 42. planting holes; 43. vegetation; 44. a waterproof layer; 45. a partition plate; 50. stainless steel guiding groove.

Detailed Description

To explain technical contents, structural features, and objects and effects of the technical solutions in detail, the following detailed description is given with reference to the accompanying drawings in conjunction with the embodiments.

Referring to fig. 1 to 10, the embodiment provides a preventive maintenance structure for an asphalt pavement of an urban road, including a roadbed 31, a base layer 32 disposed on the top of the roadbed 31, a waterproof asphalt layer 33 disposed on the top of the base layer 32, a waterproof adhesive layer 34 disposed on the top of the waterproof asphalt layer 33, a road shoulder 35 disposed on the outer side of the waterproof adhesive layer 34, a concrete compression-resistant layer 36 disposed on the bottom of the road shoulder 35, a concrete base layer 40 disposed on the bottom of the concrete compression-resistant layer 36, a water collection tank 37 disposed on the road shoulder 35, a water conduit 38 mounted at the bottom of the water collection tank 37, the water conduit 38 extending to the outside of the soil base layer 40, a stainless steel guide groove 50 disposed in the middle of the waterproof adhesive layer 34 for guiding maintenance equipment, the side of the stainless steel guide groove 50 being parallel to the side of the road shoulder 35, the section of the stainless steel guide groove 50 being square, the bottom of the stainless steel guide groove 50 being fixed on the surface of the waterproof asphalt layer 33, the opening of the stainless steel guiding groove 50 faces upwards, and the upper edge of the stainless steel guiding groove 50 is flush with the upper surface of the waterproof adhesive layer 34.

In this embodiment, as shown in fig. 1, the top of the water collecting tank 37 is provided with a barrier 39 to prevent impurities from blocking the water collecting tank 37.

In this embodiment, as shown in fig. 1, a sponge plate 41 is disposed on the top of the soil base layer 40, planting holes 42 are uniformly formed in the sponge plate 41, vegetation 43 is planted inside the planting holes 42, the sponge plate 41 is used to reduce the impact of rainwater on the soil base layer 40, and the sponge plate 41 is used to lock water, so as to facilitate the growth of the vegetation.

In this embodiment, as shown in fig. 1, a waterproof layer 44 is disposed on the inner top of the soil base layer 40, and the waterproof layer 44 is horizontal to the top of the soil base layer 40, so as to prevent the soil from being soft due to excessive penetration of moisture into the soil base layer 40.

In this embodiment, as shown in fig. 1, a partition 45 is fixed on the side of the shoulder 35 away from the waterproof adhesive layer 34, and the overgrowth of the vegetation placed on the partition extends to the road surface.

In this embodiment, as shown in fig. 1, the top of the road shoulder 35 is uniformly provided with the anti-slip groove, so that the protection effect is improved, and water can be drawn by the anti-slip groove, so as to accelerate the water discharge.

As shown in fig. 1-3, the working process of the preventive maintenance structure for asphalt pavement of urban roads provided by the embodiment is as follows:

step 1: when in use, the concrete pressure resistant layer 36 is used for reinforcing two sides of the pavement to resist the pressure generated by the pavement;

step 2: in rainy days, the water collecting groove 37 is matched with the water conduit 38 to drain the road surface, the sponge plate 41 is used for reducing the impact force of the rainwater on the soil foundation layer 40, and the sponge plate 41 is used for locking water for the growth of vegetation;

and step 3: under the great condition of rainwater, water permeates the inside of soil basal layer 40, utilizes waterproof layer 44 to avoid the infiltration with of rainwater, ensures the inside firm of soil basal layer 40. Through the stainless steel guiding groove, the guide to the maintenance equipment can be realized, automatic maintenance is realized, the labor cost is greatly reduced, and the maintenance efficiency is improved.

In order to realize the cooperative maintenance with the maintenance structure, the maintenance device for the asphalt pavement of the urban road is used for maintaining the maintenance structure on the maintenance structure, the maintenance device comprises a shell 1, moving wheels 2 are arranged at the bottom of the shell 1, a guide mechanism 3 is arranged at the bottom of the shell 1 in front of the moving wheels 2, the guide mechanism 3 is arranged at the position of a perpendicular line at the center of the connecting line of the two moving wheels 2, and the two moving wheels are arranged at the left side and the right side of the shell. The guide mechanism 3 comprises a sliding groove 300, a spring 301, a sliding block 302 and a rolling column 303, wherein two ends of the spring 301 are fixed at the left end and the right end of the sliding groove 300, and the axis of the sliding groove is parallel to the connecting line of the two moving wheels. The sliding block 302 is arranged in the sliding groove 300 in a sliding mode and connected with the middle of the spring 301, the rolling column 303 is arranged on the surface of the sliding block 302, the sliding groove is arranged at the bottom of the shell 1, the rolling column 303 is arranged vertically downwards, and the rolling column 303 is arranged in the stainless steel guide groove 50. The triangle formed by the two moving wheels and the guide mechanism is an isosceles triangle. The rolling post can be in the stainless steel guiding groove all the time like this, and when removing the wheel and keeping the pivoted, maintenance equipment can be under the guide of stainless steel guiding groove, and the moving direction that keeps maintenance equipment is along the stainless steel guiding groove, just so can continuously carry out the maintenance operation to bituminous paving, and need not the manual work and control maintenance equipment. The maintenance structure and the maintenance equipment can form a set of maintenance system and are provided for a road construction party. The diameter of the rolling column is slightly smaller than the width of the stainless steel guide groove, and the rolling column can roll, so that the friction force between the rolling column and the stainless steel guide groove is reduced. The spring can let the rolling post remove about can slightly, avoids the rigid connection to cause the rolling post to damage.

The rear of the housing 1 may be provided with a handle for pushing by hand. One side of bottom is provided with waste bin 4 in casing 1, and waste opening 5 has been seted up to waste bin 4's bottom, waste opening 5's bottom is provided with stock guide 6, one side that waste bin 4 was kept away from to the bottom in casing 1 is provided with translation mechanism 7, and translation mechanism 7's top is provided with L template 8, air pump 9 is installed at L template 8's top, one side that waste bin 4 was kept away from to L template 8 articulates there is mounting panel 10, and the one end of mounting panel 10 bottom installs shower nozzle 12, L template 8's top articulates there is electric telescopic handle 11, and electric telescopic handle 11's output is articulated with mounting panel 10, the output and the shower nozzle 12 intercommunication of air pump 9, the one end that shower nozzle 12 was kept away from to mounting panel 10 bottom is installed motor 13, and brush dish 14 is installed to motor 13's output, battery 15 is installed at casing 1's interior top.

In this embodiment, as shown in fig. 4, negative-pressure air fan 16 is installed at the top of waste bin 4, and negative-pressure air fan 16's output passes through the outside of pipe connection to casing 1, and filter screen 17 is installed to negative-pressure air fan 16's output, utilizes negative-pressure air fan 16's start-up, produces the negative pressure in waste bin 4's inside, can absorb the dust that the clearance produced to utilize filter screen 17 to filter the dust, avoid dust polluted environment.

In this embodiment, as shown in fig. 9, a protective net is disposed on the top of the casing 1, and the bottom of the protective net is conducted with the output end of the negative pressure fan 16 through a pipe, so as to prevent the impurities from falling into the negative pressure fan 16 from the top of the casing 1 and causing damage.

In this embodiment, as shown in fig. 5, translation mechanism 7 includes horizontal pole 18, spout 19 and slider 20, bottom and casing 1 fixed connection of horizontal pole 18, spout 19 has been seted up at the top of horizontal pole 18, the inside slidable mounting of spout 19 has slider 20, the top and the L template 8 fixed connection of slider 20, screw 21 is installed in the inside rotation of spout 19, screw 21 run through slider 20 and with slider 20 between threaded connection, the one end of screw 21 runs through horizontal pole 18 and extends to the outside of casing 1, and be fixed with regulating wheel 22 on the screw 21, it rotates to rotate regulating wheel 22 and drive screw 21, utilize threaded connection between screw 21 and the slider 20, consequently control slider 20 slides, then can adjust the position of brush dish 14, conveniently use.

In this embodiment, as shown in fig. 9, the adjusting wheel 22 is provided with a non-slip mat on the outer side, and the non-slip mat is provided with non-slip lines on the outer side to avoid hand slip when the adjusting wheel 22 is manually controlled to rotate.

In this embodiment, as shown in fig. 4, a striker plate is fixed to the inner top of the waste bin 4, and the top of the striker plate inclines towards the side far away from the waste opening 5, so as to prevent the waste material from falling into the waste bin 4 and then falling again.

In this embodiment, as shown in fig. 7, the brush disc 14 includes a fixing rod 23, a first annular disc 24 and a second annular disc 25, the fixing rod 23 is fixedly connected to the output end of the motor 13, the first annular disc 24 is fixed at the middle position of the fixing rod 23, the second annular disc 25 is slidably mounted at both ends of the fixing rod 23, a spring 26 is disposed between the first annular disc 24 and the second annular disc 25, the spring 26 is sleeved outside the fixing rod 23, brushes 27 are uniformly disposed at the outer sides of the first annular disc 24 and the second annular disc 25, fixing nuts 28 are threadedly mounted at both ends of the fixing rod 23, when the width of a crack is large, the fixing nuts 28 are loosened towards both ends of the fixing rod 23, the distance between the first annular disc 24 and the second annular disc 25 is increased, the cleaning area is increased, and when the width of the crack is small, the fixing nuts 28 are screwed towards the middle position of the fixing rod 23, the distance between the first annular disc 24 and the second annular disc 25 is reduced, and the cleaning area is reduced.

In this embodiment, as shown in fig. 7, a limiting groove 29 is formed in the outer side of the fixing rod 23, two ends of the inner portion of the limiting groove 29 are slidably mounted with limiting blocks 30, the limiting blocks 30 are fixedly connected with the inner side of the second annular disc 25, the limiting blocks 30 are used for limiting the second annular disc 25, and rotation between the second annular disc 25 and the fixing rod 23 is avoided during cleaning.

In this embodiment, as shown in fig. 4, the bottom of the material guiding plate 6 and the bottom of the moving wheel 2 are located at the same horizontal plane, and a rubber pad is disposed at the bottom of the material guiding plate 6, so as to ensure the dust-proof effect and reduce the wear of the material guiding plate 6.

In this embodiment, as shown in fig. 4, the bottom end of the nozzle 12 is inclined toward the side of the guide plate 6, ensuring that the blown waste can move toward the side of the waste opening 5.

As shown in fig. 4 to fig. 9, the present embodiment provides an operation process of an asphalt pavement maintenance device for an urban road, which is as follows:

step 1: the device is moved to the position of the crack, when the width of the crack is large, the fixing nut 28 is loosened towards two ends of the fixing rod 23, the distance between the first annular disc 24 and the second annular disc 25 is increased, the cleaning area is increased, when the width of the crack is small, the fixing nut 28 is screwed down towards the middle position of the fixing rod 23, the distance between the first annular disc 24 and the second annular disc 25 is reduced, and the cleaning area is reduced;

step 2: the brush disc 14 extends into the crack through the position of the moving device, or the adjusting wheel 22 is rotated to drive the screw rod 21 to rotate, and the screw rod 21 is in threaded connection with the sliding block 20, so that the sliding block 20 is controlled to slide, and the position of the brush disc 14 can be adjusted;

and step 3: starting a motor 13 to drive a brush disc 14 to rotate, sweeping out chips in cracks, enabling the swept-out chips to enter the waste bin 4 through a material guide plate 6 under the action of centrifugal force, and starting a negative pressure fan 16 to suck dust;

and 4, step 4: after the waste is swept out, the air pump 9 is started to discharge compressed air from the inside of the spray head 12, so that dust in the cracks is blown off, and the dust is sucked through the negative pressure fan 16.

It should be noted that, although the above embodiments have been described herein, the invention is not limited thereto. Therefore, based on the innovative concepts of the present invention, the technical solutions of the present invention can be directly or indirectly applied to other related technical fields by making changes and modifications to the embodiments described herein, or by using equivalent structures or equivalent processes performed in the content of the present specification and the attached drawings, which are included in the scope of the present invention.

Claims

1. The utility model provides a preventive maintenance structure of urban road bituminous paving which characterized in that: including road bed (31), the top of road bed (31) is provided with basic unit (32), and the top of basic unit (32) is provided with waterproof asphalt layer (33), the top of waterproof asphalt layer (33) is provided with waterproof adhesion coating (34), the outside of waterproof adhesion coating (34) is provided with way shoulder (35), and the bottom of way shoulder (35) is provided with concrete crushing layer (36), the bottom of concrete crushing layer (36) is provided with soil base layer (40), water catch bowl (37) have been seted up on way shoulder (35), and water conduit (38) are installed to the bottom of water catch bowl (37), water conduit (38) extend to the outside of soil base layer (40), be provided with stainless steel guiding groove (50) that are used for guiding maintenance equipment in the middle of the inside of waterproof adhesion coating (34), stainless steel guiding groove (50) side with the side of way shoulder (35) is parallel, the section of the stainless steel guide groove (50) is square, the bottom of the stainless steel guide groove (50) is fixed on the surface of the waterproof asphalt layer (33), the opening of the stainless steel guide groove (50) faces upwards, and the upper edge of the stainless steel guide groove (50) is flush with the upper surface of the waterproof adhesive layer (34);

the maintenance equipment comprises a shell (1), wherein the bottom of the shell (1) is provided with a movable wheel (2), the front of the movable wheel (2) at the bottom of the shell (1) is provided with a guide mechanism (3), the guide mechanism (3) is arranged at the position of a perpendicular line at the center of a connecting line of the two movable wheels (2), the guide mechanism (3) comprises a sliding groove (300), a spring (301), a sliding block (302) and a rolling column (303), the two ends of the spring (301) are fixed at the left end and the right end of the sliding groove (300), the sliding block (302) is arranged in the sliding groove (300) in a sliding manner and is connected with the middle position of the spring (301), the rolling column (303) is arranged on the surface of the sliding block (302), the sliding groove is arranged at the bottom of the shell (1), the rolling column (303) is vertically arranged downwards, one side of the inner bottom of the shell (1) is provided with a waste bin (4), and the bottom of the waste bin (4) is provided with a waste port (5), the bottom of the waste port (5) is provided with a guide plate (6), one side of the bottom of the shell (1), which is far away from the waste bin (4), is provided with a translation mechanism (7), the top of the translation mechanism (7) is provided with an L-shaped plate (8), the top of the L-shaped plate (8) is provided with an air pump (9), one side of the L-shaped plate (8), which is far away from the waste bin (4), is hinged with a mounting plate (10), one end of the bottom of the mounting plate (10) is provided with a spray head (12), the top of the L-shaped plate (8) is hinged with an electric telescopic rod (11), the output end of the electric telescopic rod (11) is hinged with the mounting plate (10), the output end of the air pump (9) is communicated with the spray head (12), one end of the bottom of the mounting plate (10), which is far away from the spray head (12), is provided with a motor (13), and the output end of the motor (13) is provided with the brush disc (14), the inner top of the shell (1) is provided with the storage battery (15), and the rolling column (303) is arranged in the stainless steel guide groove (50).

2. The preventive maintenance structure of an asphalt pavement of an urban road according to claim 1, characterized in that: the top of the water collecting tank (37) is provided with a blocking net (39).

3. The preventive maintenance structure of an asphalt pavement of an urban road according to claim 1, characterized in that: the top of soil basic unit (40) is provided with sponge board (41), and evenly offers planting hole (42) on sponge board (41), the inside in planting hole (42) all is planted vegetation (43).

4. The preventive maintenance structure of an asphalt pavement of an urban road according to claim 1, characterized in that: the soil base course (40) is provided with waterproof layer (44) on the inside top, waterproof layer (44) and the top level of soil base course (40).

5. The preventive maintenance structure of an asphalt pavement of an urban road according to claim 1, characterized in that: and a partition plate (45) is fixed on one side of the road shoulder (35) far away from the waterproof adhesive layer (34).

6. The preventive maintenance structure of an asphalt pavement of an urban road according to claim 1, characterized in that: and anti-skid grooves are uniformly formed in the tops of the road shoulders (35).

7. The preventive maintenance structure of an asphalt pavement of an urban road according to claim 1, characterized in that: translation mechanism (7) include horizontal pole (18), spout (19) and slider (20), the bottom and casing (1) fixed connection of horizontal pole (18), spout (19) have been seted up at the top of horizontal pole (18), the inside slidable mounting of spout (19) has slider (20), the top and the L template (8) fixed connection of slider (20), the internal rotation of spout (19) installs screw rod (21), screw rod (21) run through slider (20) and with slider (20) between threaded connection, the one end of screw rod (21) runs through horizontal pole (18) and extends to the outside of casing (1), and is fixed with regulating wheel (22) on screw rod (21).