Road repairing device

Abstract

The invention belongs to the technical field of road repairing construction, and particularly relates to a road repairing device. Comprising a vehicle body with a cab, wheels are rotationally connected to the bottom of the vehicle body, and rotating shafts of the wheels are parallel to the horizontal plane; a road rolling assembly is arranged at the front end of the vehicle body and comprises a pressing roller with the central axis parallel to the central line of the wheels, and the pressing roller is rotationally connected to the vehicle body around the central axis of the pressing roller. The device further comprises a grinding assembly and a watering and dust falling assembly. The grinding assembly comprises a grinding disc arranged at the rear end of the vehicle body and a driving motor. The central axis of the grinding disc is perpendicular to the horizontal plane, and the grinding disc is rotationally connected with the vehicle body around the central axis. The driving motor is used for driving the grinding disc to rotate around the central axis; the watering dust-falling assembly is used for spraying water to the road surface. And an operator can simultaneously complete grinding and polishing of the repaired and filled large-area pavement by driving the vehicle body, so that the pavement repairing efficiency is improved, and manpower is saved. And the water sprinkling and dust falling assembly continuously sprinkle water and fall dust in the operation process, and environmental protection is achieved.

Description

Technical Field

[0001] The present invention belongs to the technical field of highway repair construction, and particularly relates to a road repair device. Background Art

[0002] With the continuous increase in the vehicle ownership, the traffic pressure is increasing day by day, and the problem of road potholes appears frequently. To ensure driving safety and road smoothness, it is necessary to repair road potholes in time.

[0003] In the early stage, road pothole repair operations mostly relied on manual operations. Construction workers first cleared the loose sundries at the pothole, then filled the pothole with repair materials, and then compacted it by manual ramming or simple road rolling equipment. Finally, the repaired area was polished flat by manually pushing a simple grinding device. This operation mode not only wastes manpower and has low efficiency, but is only suitable for repairing small-area pothole sections. When the area of the section to be repaired is large, if the above operation mode is still adopted, it will lead to too long construction time and long-term road congestion. The above operations are mostly manual and individual operations, which are difficult to ensure the consistency of repair quality. The road surface flatness of the repaired area is inconsistent, which easily causes the road surface to sag or crack again in a short period. In addition, a large amount of dust is easily generated during the operation process, seriously polluting the surrounding air environment, endangering the physical health of construction workers and passing pedestrians, causing health problems such as respiratory diseases, and also causing dust deposition pollution to nearby vegetation and building surfaces, accelerating their aging and damage, and affecting the overall beauty of the city. Summary of the Invention

[0004] The technical problem to be solved by the present invention is: to provide a road repair device suitable for road repair, which reduces the labor intensity of operators, improves the road repair efficiency and the flatness of road repair.

[0005] The technical solution adopted by the present invention to solve the above technical problem is: a road repair device, including a vehicle body with a cab, the bottom of the vehicle body is rotatably connected with wheels, and the rotation axis of the wheels is parallel to the horizontal plane; a road rolling assembly is arranged at the front end of the vehicle body, and the road rolling assembly includes a roller whose central axis is parallel to the center line of the wheels, and the roller is rotatably connected to the vehicle body around its own central axis; a grinding assembly and a water sprinkling and dust reduction assembly are also included;

[0006] The grinding assembly includes a grinding disc and a driving motor arranged at the rear end of the vehicle body; the central axis of the grinding disc is perpendicular to the horizontal plane, and the grinding disc is rotatably connected to the vehicle body around its own central axis; the driving motor is used to drive the grinding disc to rotate around its own central axis;

[0007] The water sprinkling and dust reduction assembly is used to spray water on the road surface.

[0008] Further, the road rolling assembly further includes a transfer frame detachably connected to the front end of the vehicle body, and the pressing roller is connected to the vehicle body through the transfer frame; the pressing roller is rotatably connected to the transfer frame about its own axis;

[0009] The grinding assembly further includes a transfer seat detachably connected to the rear end of the vehicle body, and the grinding disc is rotatably connected to the vehicle body through the transfer seat; the grinding disc is rotatably connected to the transfer seat about its own axis, and the driving motor is arranged on the transfer seat.

[0010] Further, mounting shafts are coaxially arranged at both ends of the pressing roller; the transfer frame includes mounting plates arranged along the front-rear direction in the length direction, there are two mounting plates, and the two mounting plates are arranged at intervals along the axial direction of the wheel; mounting shaft holes are provided on both mounting plates; the mounting shafts are arranged in the mounting shaft holes on the mounting plates and are rotatably connected through bearings.

[0011] Further, a protruding portion protruding forward is provided at the front end of the vehicle body; the rear end of the transfer frame has a U-shaped transfer member, and the U-shaped transfer member has a U-shaped groove with an opening facing downwards; the protruding portion is located in the U-shaped groove of the U-shaped transfer member, and the outer side wall of the protruding portion is completely attached to the inner wall of the U-shaped groove; the protruding portion and the U-shaped transfer member are connected by bolts.

[0012] Further, a rotating shaft coaxial with the grinding disc is fixedly provided at the upper end of the grinding disc, and a through shaft hole is provided on the transfer seat, and the rotating shaft is located in the shaft hole on the transfer seat and is coaxially rotatably connected through a rolling bearing;

[0013] A driven synchronous pulley and an axial limiting member located above the driven synchronous pulley are provided on the rotating shaft, the driven synchronous pulley is rotatably connected to the rotating shaft, and the axial limiting member abuts against the top surface of the transfer seat;

[0014] A driving synchronous pulley is coaxially arranged on the driving shaft of the driving motor, and the driving shaft of the driving motor can drive the driving synchronous pulley to rotate synchronously therewith; the driving synchronous pulley and the driven synchronous pulley are connected by a ring-shaped synchronous belt for transmission.

[0015] Further, at least two rollers are rotatably connected to the bottom of the transfer seat, and two of the rollers are arranged at intervals along the axial direction of the wheel; the rotation axis of the roller is parallel to the rotation axis of the wheel.

[0016] Further, it further includes a front torsion frame bolted to the vehicle body and a rear torsion frame bolted to the adapter base. A connecting shaft with an axis arranged in the front-rear direction is provided between the front torsion frame and the rear torsion frame. One end of the connecting shaft is connected to the front torsion frame, and the other end of the connecting shaft is connected to the rear torsion frame; the connecting shaft can rotate relative to the front torsion frame and / or the rear torsion frame around its center line;

[0017] It also includes a torsion spring sleeved on the connecting shaft. The front end of the torsion spring is connected to the front torsion frame, and the rear end of the torsion spring is connected to the rear torsion frame.

[0018] Further, the sprinkler dust suppression assembly includes a water tank, a water pump, a drain pipe and atomizing nozzles fixedly installed on the vehicle body; there is a water storage cavity in the water tank. The water inlet of the water pump is communicated with the water storage cavity, the water outlet of the water pump is communicated with the water inlet of the drain pipe, and the atomizing nozzles are communicated and arranged at the water outlet of the drain pipe;

[0019] The atomizing nozzles are arranged at the rear end of the vehicle body.

[0020] Further, the vehicle body includes a loading platform. The top surface of the loading platform is provided with a horizontally convex horizontal limiting frame, and the horizontal limiting frame encloses a limiting space; the water tank is arranged in the limiting space and is fixedly connected to the horizontal limiting frame by bolts.

[0021] Further, the upper end of the water tank has a flushing port, and the bottom of the water tank has a drain port; the water pump is a submersible pump arranged in the water chamber of the water tank;

[0022] A plurality of atomizing nozzles are provided, and the plurality of atomizing nozzles are evenly distributed on both sides of the water tank in a horizontal direction perpendicular to the front-rear direction.

[0023] Compared with the prior art, the beneficial effects of the present invention are: providing a road repair device, by integrally arranging a road rolling assembly and a grinding assembly arranged in the front-rear direction on the vehicle body, enabling operators to simultaneously complete the rolling and grinding of a large area of the road surface after repair and filling by driving the vehicle body, improving the road surface repair efficiency and saving manpower. The present invention continuously sprinkles water and suppresses dust during the operation by setting a sprinkler dust suppression assembly, which is green and environmentally friendly. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 is an axonometric structural schematic diagram of the present invention;

[0025] Figure 2 is an exploded structural schematic diagram of the road rolling assembly, the vehicle body and the grinding assembly in the present invention;

[0026] Figure 3This is a schematic diagram of the transmission structure of the grinding disc and the drive motor;

[0027] Figure 4 This is the assembly structure view of the front torsion frame, rear torsion frame connecting shaft and torsion spring;

[0028] Figure 5 It is a schematic diagram of the assembly structure of the water sprinkling and dust suppression component and the horizontal limit frame;

[0029] Figure markings: 1-vehicle body; 11-cab; 12-wheel; 13-protrusion; 14-cargo platform; 15-horizontal limit frame; 16-limiting space; 2-road roller assembly; 21-pressure roller; 22-adapter frame; 221-mounting plate; 23-mounting shaft; 24-U-shaped adapter; 3-grinding assembly; 31-grinding disc; 32-drive motor; 33-adapter seat; 34-rotating shaft; 35-driven synchronous pulley; 36-axial limit member; 37-driving synchronous pulley; 38-annular synchronous belt; 39-roller; 4-water sprinkling and dust suppression assembly; 41-water tank; 43-drain pipe; 44-atomizing nozzle; 51-front torsion frame; 52-rear torsion frame; 53-connecting shaft; 54-torsion spring. DETAILED DESCRIPTION

[0030] The present invention will be further described below with reference to the accompanying drawings and examples.

[0031] As attached Figures 1-5 As shown, a road repair device includes a vehicle body 1 with a cab 11, the bottom of the vehicle body 1 is rotatably connected to a wheel 12, and the rotation axis of the wheel 12 is parallel to the horizontal plane; a road roller assembly 2 is provided at the front end of the vehicle body 1, and the road roller assembly 2 includes a pressure roller 21 whose central axis is parallel to the center line of the wheel 12, and the pressure roller 21 is rotatably connected to the vehicle body 1 around its own central axis; it also includes a grinding assembly 3 and a water sprinkling and dust reduction assembly 4; the grinding assembly 3 includes a grinding disc 31 and a drive motor 32 provided at the rear end of the vehicle body 1; the central axis of the grinding disc 31 is perpendicular to the horizontal plane, and the grinding disc 31 is rotatably connected to the vehicle body 1 around its own central axis; the drive motor 32 is used to drive the grinding disc 31 to rotate around its own central axis; the water sprinkling and dust reduction assembly 4 is used to spray water onto the road surface. Assume that the axial direction of the wheel 12 is Figure 1 The X direction in the figure and the horizontal direction perpendicular to the X direction are the Y direction. That is, the axis of the wheel 12 and the central axis of the pressure roller 21 are both X-axis directions, and the front-back direction is the Y direction.

[0032] After the potholes on the road are filled, the operator enters the cab 11 and drives the vehicle body 1 to the section of the road to be compacted and rolled. The driver drives the vehicle body 1 forward, and the vehicle body 1 drives the front roller compressing assembly 2 and the rear grinding assembly 3 to move forward synchronously. During this process, the roller 21 rolls on the road surface and compresses the filled road surface to compact the filler, and the roller 21 rotates relative to the vehicle body 1 around the X-axis; the grinding assembly 3 moves to the road surface compacted by the roller 21 under the drive of the vehicle body 1, and the drive motor 32 drives the grinding disc 31 to rotate around the axis perpendicular to the horizontal plane, and the bottom surface of the grinding disc 31 grinds the repaired and filled part to make the road surface of the repaired and filled part flush with the original road surface, ensuring the road surface is flat. During the operation of the present invention, the water sprinkling and dust suppression assembly 4 continuously sprays water on the road surface to prevent dust from being generated during the operation of the vehicle body 1 and during the grinding operation of the grinding disc 31. In addition, the water sprayed by the water sprinkling and dust suppression assembly on the road surface is also used for lubrication between the grinding disc 31 and the road surface, reducing the temperature between the grinding surfaces, avoiding damage to the grinding disc 31, and extending the service life of the grinding disc 31. By integrally arranging the roller compressing assembly 2 and the grinding assembly 3 arranged in the front-rear direction on the vehicle body 1, the present invention enables the operator to complete the rolling and grinding of the large-area road surface after repair and filling by driving the vehicle body 1, improving the road surface repair efficiency and saving manpower. By setting the water sprinkling and dust suppression assembly 4 to continuously sprinkle water and suppress dust during the operation, the present invention is green and environmentally friendly.

[0033] The vehicle body 1 is a prior art. The roller 21 on the vehicle body 1 and the roller compressing assembly 2 can be directly connected or can be connected through an adapter; the vehicle body 1 and the grinding assembly 3 can be directly connected or can be connected through other adapters. Preferably, the roller compressing assembly 2 further includes an adapter frame 22 detachably connected to the front end of the vehicle body 1, and the roller 21 is connected to the vehicle body 1 through the adapter frame 22; the roller 21 is rotatably connected to the adapter frame 22 around its own axis; the grinding assembly 3 further includes an adapter seat 33 detachably connected to the rear end of the vehicle body 1, and the grinding disc 31 is rotatably connected to the vehicle body 1 through the adapter seat 33; the grinding disc 31 is rotatably connected to the adapter seat 33 around its own axis, and the drive motor 32 is arranged on the adapter seat 33. By setting the adapter frame 22, the detachable connection between the entire roller compressing assembly 2 and the vehicle body 1 is realized, and by setting the adapter seat 33, the detachable connection between the entire grinding assembly 3 and the vehicle body 1 is realized. When the present invention is in a non-operating state, the roller compressing assembly 2 and the grinding assembly 3 can be detached from the vehicle body 1, which is convenient for transfer and transportation, and is also convenient for replacing different types of roller compressing assemblies 2 and grinding assemblies 3. During actual use, to avoid the grinding assembly 3 from wearing the original road surface, the grinding assembly 3 can be installed and disassembled at any time according to the position of the vehicle body 1.

[0034] The roller 21 on the road rolling assembly 2 is used to repeatedly roll the repaired and filled road surface to compact the filler, avoiding the depression or cracking of the repaired road surface. The roller 21 is generally of a cylindrical structure, and reference can be made to the rollers of existing road rollers for details. The roller 21 and the adapter frame 22 can be directly rotatably connected or rotatably connected through bearings. Preferably, mounting shafts 23 are coaxially arranged at both ends of the roller 21; the adapter frame 22 includes mounting plates 221 arranged along the front-rear direction in the length direction, and there are two mounting plates 221, and the two mounting plates 221 are arranged at intervals along the axial direction of the wheel 12; mounting shaft holes are provided on both of the two mounting plates 221; the mounting shafts 23 are arranged in the mounting shaft holes on the mounting plates 221 and are rotatably connected through bearings. This avoids mutual wear during the relative rotation of the mounting shafts 23 and the mounting plates 221 and reduces the rotational resistance of the roller 21 relative to the adapter frame 22 and the mounting plates 221.

[0035] The adapter frame 22 and the vehicle body 1 can be detachably connected through structures such as bolt assemblies, pins, clamps, hooks, etc. Preferably, a protruding portion 13 protruding forward is provided at the front end of the vehicle body 1; the rear end of the adapter frame 22 has a U-shaped adapter 24 with a U-shaped groove facing downward; the protruding portion 13 is located in the U-shaped groove of the U-shaped adapter 24 and the outer side wall of the protruding portion 13 is completely attached to the inner wall of the U-shaped groove; the protruding portion 13 and the U-shaped adapter 24 are bolted together. The protruding portion 13 realizes the limit of the U-shaped adapter 24 in the up-down direction by supporting the U-shaped adapter 24 upward, and the cooperation between the protruding portion 13 and the U-shaped groove on the U-shaped adapter 24 realizes the limit of the U-shaped adapter 24 and the entire adapter frame 22 in the Y direction, improving the assembly accuracy of the vehicle body 1 and the pressure assembly 2.

[0036] The grinding disc 31 on the grinding assembly 3 is used to grind the road surface after repair and filling, so that the repaired road surface is flush with the top surface of the original road surface. The grinding disc 31 is generally a disc structure, and its bottom surface is the grinding surface, and the grinding surface protrudes downward from the adapter 33. The grinding disc 31 and the adapter 33 can be rotatably connected through a shaft and a bearing assembly. Specifically, a rotating shaft 34 coaxial with the grinding disc 31 is fixedly provided on the upper end of the grinding disc 31, and an axial hole running through the adapter 33 is provided. The rotating shaft 34 is located in the axial hole on the adapter 33 and the two are coaxially rotatably connected through a rolling bearing. The driving shaft on the drive motor 32 can be connected to the rotating shaft 34 through a coupling, or the rotating shaft 34 can be driven to rotate by a belt drive assembly, a gear drive assembly, a chain drive assembly or the like. As a further preferred embodiment, the rotating shaft 34 is provided with a driven synchronous pulley 35 and an axial limiter 36 located above the driven synchronous pulley 35. The driven synchronous pulley 35 is rotationally connected to the rotating shaft 34, and the axial limiter 36 abuts against the top surface of the adapter 33. A driving synchronous pulley 37 is coaxially provided on the driving shaft of the driving motor 32. The driving shaft of the driving motor 32 can drive the driving synchronous pulley 37 to rotate synchronously therewith. The driving synchronous pulley 37 is connected to the driven synchronous pulley 35 via an annular synchronous belt 38. The driving shaft of the driving motor 32 drives the driving synchronous pulley 37 thereon to rotate synchronously, the driving synchronous pulley 37 drives the annular synchronous belt 38 thereon to rotate, and the annular synchronous belt 38 drives the driven synchronous pulley 35 to rotate, thereby causing the driven synchronous pulley 35 to drive the rotating shaft 34 and the grinding disc 31 to rotate.

[0037] The adapter 33 can be detachably connected to the vehicle body 1 via a bolt assembly, latch, clamp, hook, or other structure. Preferably, at least two rollers 39 are rotatably connected to the bottom of the adapter 33. The two rollers 39 are spaced apart along the axial direction of the wheel 12; the rotation axes of the rollers 39 are parallel to the rotation axis of the wheel 12. The rollers 39 and the grinding disc 31 jointly support the adapter 38.

[0038] Considering that when the vehicle body 1 turns, it will drive the grinding assembly 3 to turn up and down, which easily causes one end of the grinding disc 31 to tilt up after rotating around the X-axis. This situation will cause the edge between the bottom surface and the side surface of the grinding disc 31 to cut the road surface, ultimately resulting in road surface damage. Preferably, it further includes a front torsion frame 51 bolted to the vehicle body 1 and a rear torsion frame 52 bolted to the adapter seat 33. A connecting shaft 53 with an axis arranged in the front-rear direction is provided between the front torsion frame 51 and the rear torsion frame 52. One end of the connecting shaft 53 is connected to the front torsion frame 51, and the other end of the connecting shaft 53 is connected to the rear torsion frame 52; the connecting shaft 53 can rotate relative to the front torsion frame 51 and / or the rear torsion frame 52 around its center line; it further includes a torsion spring 54 sleeved on the connecting shaft 53. The front end of the torsion spring 54 is connected to the front torsion frame 51, and the rear end of the torsion spring 54 is connected to the rear torsion frame 52. The front end of the torsion spring 54 can be in vertical contact with the top surface or the bottom surface of the front torsion frame 51, or can be fixedly connected to the front torsion frame 51. The rear end of the torsion spring 54 can be in vertical contact with the top surface or the bottom surface of the rear torsion frame 52, or can be fixedly connected to the rear torsion frame 51. When there is a tendency of relative rotation between the vehicle body 1 and the grinding assembly 3 around the connecting shaft 53, that is, when the front torsion frame 51 has a tendency of relative rotation around the connecting shaft 53 relative to the rear torsion frame 52, the rotational forces at both ends of the torsion spring 54 will cause the front torsion frame 51 and the rear torsion frame 52 to rotate relative to each other by a certain angle and then quickly reset, avoiding the rear torsion frame 52 driving the adapter seat 33 and the grinding disc 31 to flip and damage the road surface, improving the reliability of the grinding assembly, and reducing the risk of road surface damage.

[0039] The sprinkler dust suppression assembly 4 is used to sprinkle water on the road surface for dust suppression. Specifically, the sprinkler dust suppression assembly 4 includes a water tank 41 fixedly installed on the vehicle body 1, a water pump, a drain pipe 43, and an atomizing nozzle 44; the water tank 41 has a water storage cavity, the water inlet of the water pump is communicated with the water storage cavity, the water outlet of the water pump is communicated with the water inlet of the drain pipe 43, and the atomizing nozzle 44 is communicatively arranged at the water outlet of the drain pipe 43. When in use, the water storage cavity of the water tank 41 is filled with water, and the water pump pumps the water in the water storage cavity to the drain pipe 43 and then sprays it downward onto the road surface through the atomizing nozzle 44. The atomizing nozzle 44 can also be replaced by an ordinary nozzle, but the atomizing nozzle 44 has a better dust suppression effect. The sprinkler dust suppression assembly 4 can be arranged at the front end of the vehicle body 1 or at the rear end of the vehicle body 1. Since the grinding disc 31 directly rubs against the ground and is more likely to generate dust, as a further preference, the atomizing nozzle 44 is arranged at the rear end of the vehicle body 1 to improve the dust suppression effect.

[0040] The water tank 41 is generally made of steel structure, which can be welded to the vehicle body 1 or detachably installed on the vehicle body through structures such as bolt assemblies and pin assemblies. Preferably, the vehicle body 1 includes a load platform 14, and a horizontally convex horizontal limit frame 15 is provided on the top surface of the load platform 14. The horizontal limit frame 15 encloses a limit space 16; the water tank 41 is arranged in the limit space 16 and is fixedly connected to the horizontal limit frame 15 by bolts. This facilitates the replacement and disassembly of the water tank 41. Even if the bolts connecting the water tank 41 and the horizontal limit frame 15 become loose or fall off, the horizontal limit frame 15 can still limit the water tank 41 in the horizontal direction, further improving the installation reliability of the water tank 41.

[0041] The water tank 41 has a water inlet for adding water into the water storage cavity, and the water inlet is generally arranged at the upper part of the water tank 41. When the present invention is not in use, the water in the water tank 41 should be drained completely. For this purpose, a drain hole should be provided at the lower part of the vertical 41. Preferably, the top of the water tank 41 has a water inlet for adding water into the water storage cavity, and the bottom of the water tank 41 has a drain outlet. When there is water in the water tank 41, the drain outlet of the water tank 41 is in a closed state; the drain outlet needs to be opened only when the water tank 41 is drained. The water pump is generally a submersible pump arranged in the water storage cavity of the water tank 41. One or more atomizing nozzles 44 can be provided. Preferably, a plurality of atomizing nozzles 44 are provided, and the plurality of atomizing nozzles 44 are evenly distributed on both sides of the water tank 41 along the horizontal direction perpendicular to the front-rear direction. This increases the spraying range of the atomized water and improves the dust prevention effect of the present invention.

[0042] In the description of the present invention, the orientation or positional relationship indicated by the terms "upper", "lower", "top", "bottom", "front", "rear", "side", etc. is based on the orientation or positional relationship shown in the figure. It is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, the terms describing the positional relationship in the figure are only used for illustrative purposes and cannot be understood as a limitation to the present invention. For those of ordinary skill in the art, the specific meanings of the above terms can be understood according to specific circumstances.

[0043] The embodiments of this specific implementation manner are all preferred embodiments of the present invention, and do not limit the protection scope of the present invention accordingly. Therefore, all equivalent changes made according to the structure, shape, and principle of the present invention should be covered within the protection scope of the present invention.

Claims

1. A road repair device, comprising a vehicle body (1) having a cab (11), wheels (12) rotatably connected to the bottom of the vehicle body (1), and the rotation axis of the wheels (12) being parallel to the horizontal plane; a road rolling assembly (2) is provided at the front end of the vehicle body (1), and the road rolling assembly (2) includes a rolling roller (21) whose central axis is parallel to the center line of the wheels (12), and the rolling roller (21) is rotatably connected to the vehicle body (1) about its own central axis; characterized in that: It further includes a grinding assembly (3) and a water spraying and dust reduction assembly (4); The grinding assembly (3) includes a grinding disc (31) and a driving motor (32) arranged at the rear end of the vehicle body (1); the central axis of the grinding disc (31) is perpendicular to the horizontal plane, and the grinding disc (31) is rotatably connected to the vehicle body (1) around its own central axis; the driving motor (32) is used to drive the grinding disc (31) to rotate around its own central axis; The water spraying and dust reduction assembly (4) is used to spray water on the road surface.

2. The road repair device according to claim 1, characterized in that: The road rolling assembly (2) further includes an adapter frame (22) detachably connected to the front end of the vehicle body (1), and the pressing roller (21) is connected to the vehicle body (1) through the adapter frame (22); the pressing roller (21) is rotatably connected to the adapter frame (22) around its own axis; The grinding assembly (3) further includes an adapter seat (33) detachably connected to the rear end of the vehicle body (1), and the grinding disc (31) is rotatably connected to the vehicle body (1) through the adapter seat (33); the grinding disc (31) is rotatably connected to the adapter seat (33) around its own axis, and the driving motor (32) is arranged on the adapter seat (33).

3. The road repair device according to claim 2, characterized in that: Mounting shafts (23) are coaxially arranged at both ends of the pressing roller (21); the adapter frame (22) includes mounting plates (221) arranged in the front-rear direction, there are two mounting plates (221), and the two mounting plates (221) are arranged at intervals along the axial direction of the wheels (12); mounting shaft holes are provided on both mounting plates (221); the mounting shafts (23) are arranged in the mounting shaft holes on the mounting plates (221) and are rotatably connected through bearings.

4. The road repair device according to claim 3, characterized in that: A protruding portion (13) protruding forward is provided at the front end of the vehicle body (1); the rear end of the adapter frame (22) has a U-shaped adapter (24), and the U-shaped adapter (24) has a U-shaped groove with an opening facing downwards; the protruding portion (13) is located in the U-shaped groove of the U-shaped adapter (24), and the outer side wall of the protruding portion (13) is completely attached to the inner wall of the U-shaped groove; the protruding portion (13) and the U-shaped adapter (24) are connected by bolts.

5. The road repair device according to claim 2, characterized in that: A rotating shaft (34) coaxial with it is fixedly provided at the upper end of the grinding disc (31), and a through shaft hole is provided on the adapter seat (33), and the rotating shaft (34) is located in the shaft hole on the adapter seat (33) and is coaxially rotatably connected through a rolling bearing; A driven synchronous pulley (35) and an axial limiting member (36) located above the driven synchronous pulley (35) are provided on the rotating shaft (34), the driven synchronous pulley (35) is rotatably connected to the rotating shaft (34), and the axial limiting member (36) abuts against the top surface of the adapter seat (33); A driving pulley (37) is coaxially arranged on the driving shaft of the driving motor (32), and the driving shaft of the driving motor (32) can drive the driving pulley (37) to rotate synchronously therewith; the driving pulley (37) is in transmission connection with the driven pulley (35) through an annular synchronous belt (38).

6. The road repair device according to claim 5, characterized in that: At least two rollers (39) are rotatably connected to the bottom of the adapter base (33), and two of the rollers (39) are arranged at intervals along the axial direction of the wheel (12); the rotation axis of the roller (39) is parallel to the rotation axis of the wheel (12).

7. The road repair device according to claim 6, characterized in that: It further includes a front torsion frame (51) bolted to the vehicle body (1) and a rear torsion frame (52) bolted to the adapter base (33). A connecting shaft (53) with an axis arranged in the front-rear direction is provided between the front torsion frame (51) and the rear torsion frame (52). One end of the connecting shaft (53) is connected to the front torsion frame (51), and the other end of the connecting shaft (53) is connected to the rear torsion frame (52); the connecting shaft (53) can rotate relative to the front torsion frame (51) and / or the rear torsion frame (52) around its center line; It further includes a torsion spring (54) sleeved on the connecting shaft (53). The front end of the torsion spring (54) is connected to the front torsion frame (51), and the rear end of the torsion spring (54) is connected to the rear torsion frame (52).

8. The road repair device according to any one of claims 1-7, characterized in that: The sprinkler dust suppression assembly (4) includes a water tank (41) fixedly installed on the vehicle body (1), a water pump, a drain pipe (4, and an atomizing nozzle (44); the water tank (41) has a water storage cavity, the water inlet of the water pump is communicated with the water storage cavity, the water outlet of the water pump is communicated with the water inlet of the drain pipe (43), and the atomizing nozzle (44) is communicated and arranged at the water outlet of the drain pipe (43); The atomizing nozzle (44) is arranged at the rear end of the vehicle body (1).

9. The road repair device according to claim 8, wherein: The vehicle body (1) includes a loading platform (14), and a horizontally convex horizontal limiting frame (15) is arranged on the top surface of the loading platform (14). The horizontal limiting frame (15) encloses a limiting space (16); the water tank (41) is arranged in the limiting space (16) and is fixedly connected to the horizontal limiting frame (15) by bolts.

10. The road repair device according to claim 9, characterized in that: The upper end of the water tank (41) has a flushing port, and the bottom of the water tank (41) has a drain port; the water pump is a submersible pump arranged in the water cavity of the water tank (41). A plurality of atomizing nozzles (44) are provided, and the plurality of atomizing nozzles (44) are evenly distributed on both sides of the water tank (41) along the horizontal direction perpendicular to the front-rear direction.

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