Crack repairing device for road maintenance

Abstract

The utility model belongs to the field of road repairing, and particularly relates to a crack repairing device for road maintenance. The device comprises gas conveying pipes, one ends of the gas conveying pipes are connected with gas pipes, the other ends of the gas conveying pipes are provided with cleaning assemblies, the gas conveying pipes are provided with driving assemblies, the gas conveying pipes are fixedly provided with two guide pipes communicated with the gas conveying pipes, the tail ends of the two gas conveying pipes are provided with high-pressure spray heads, the gas conveying pipes are fixedly provided with supporting rods, and the tail ends of the supporting rods are provided with rolling wheels. Wherein the air outlet end of one guide pipe faces the front of the cleaning assembly, and a high-pressure spray head on the guide pipe roughly cleans a gap to be cleaned in front of the cleaning assembly in the crack; the cleaning assembly is used for cleaning the crack wall and the crack bottom; and the gas outlet end of the other gas conveying pipe faces the rear portion of the cleaning assembly, and the high-pressure spray head on the guide pipe cleans the crack cleaned behind the cleaning assembly in the crack, so that the crack is cleaned more thoroughly, and the bonding strength and the repairing effect of asphalt are improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the field of highway repair, especially a crack repair device for highway maintenance. BACKGROUND

[0002] Highway maintenance is a comprehensive work of maintaining and repairing highways and facilities, aiming to ensure the smoothness, safety, comfort and beauty of highways, and performing long-term, regular inspection, maintenance, repair, improvement, cleaning and beautification of highways and facilities, so as to ensure the safety of highways and improve transportation efficiency and provide a good driving environment; cracks may occur in the process of using roads, and the road structure may be damaged by water erosion over a long period of time if the cracks are not repaired, and crack repair is an important work in highway maintenance, and the most common repair method is emulsified asphalt crack pouring, and the inside of the crack needs to be cleaned before pouring to avoid the presence of gravel, soil, dust and other debris; the existing cleaning method uses a high-pressure air gun to clean the cracks, but compressed air can only blow out small impurities in the cracks, and it is difficult to clean the soil attached to the crack wall, thereby seriously affecting the bonding strength and repair effect of emulsified asphalt, and the cracks may reappear under the pressure of vehicles, and the repair effect is not ideal. SUMMARY

[0003] The utility model aims to provide a crack repair device for highway maintenance, which can clean the cracks more thoroughly, thereby improving the bonding strength and repair effect of emulsified asphalt.

[0004] The crack repair device for highway maintenance comprises a gas pipe, one end of the gas pipe is connected with an air pipe, the other end of the gas pipe is provided with a cleaning assembly for cleaning the bottom and inner wall of the crack, a driving assembly for driving the cleaning assembly to rotate is arranged on the gas pipe, two ducts which communicate with the gas pipe and face the front and rear cleaning directions of the cleaning assembly are fixed on the gas pipe, high-pressure nozzles for blowing gas into the crack are installed at the ends of the two gas pipes, a support rod is fixed on the gas pipe, and a roller is installed at the end of the support rod.

[0005] Further, the cleaning assembly comprises a rotating wheel, two parallel and spaced installation plates are fixed on one end of the gas pipe facing the ground, the rotating wheel is rotatably installed between the two installation plates through a first rotating shaft, a plurality of elastic rods are uniformly installed on the outer circle of the rotating wheel in the circumferential direction, and a plurality of bristles are fixed on each elastic rod.

[0006] Further, the driving assembly comprises two chain wheels, a wind wheel is rotatably arranged in the air pipe through the second rotating shaft, an air guide plate is fixedly arranged in the air pipe and is used for guiding the air flow to one side of the wind wheel, the two chain wheels are respectively sleeved on one end of the first rotating shaft and the second rotating shaft, and a chain is arranged between the two chain wheels and is used for driving the two chain wheels.

[0007] Further, all the bristles are made of elastic material.

[0008] Further, a plurality of handles are fixedly arranged on the air pipe.

[0009] Further, anti-skid lines are arranged on the surfaces of all the handles.

[0010] Further, all the elastic rods are connected with the rotating wheels through threads.

[0011] Compared with the prior art, the utility model has the following beneficial effects:

[0012] The air pipe is used for conveying compressed air into the air pipe through the air conveying equipment, the air outlet of one of the air pipes is directed to the front of the cleaning assembly, the high-pressure nozzle on the air pipe sprays high-pressure air into the crack, the gap in front of the cleaning assembly is roughly cleaned, and part of impurities is blown out of the crack, so that the cleaning difficulty of the cleaning assembly is reduced; the driving assembly drives the cleaning assembly to rotate, the cleaning assembly is used for brushing off the soil attached to the crack wall and taking out the stones and impurities at the bottom of the gap, and the inside of the gap is cleaned; the air outlet of the other air pipe is directed to the rear of the cleaning assembly, the high-pressure nozzle on the air pipe sprays high-pressure air into the crack, the gap cleaned by the rear of the cleaning assembly is cleaned, and residual small impurities are blown out of the crack, so that the residual impurities in the crack are avoided, the crack is cleaned more cleanly, and the bonding strength and the repairing effect of the emulsified asphalt are improved. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is a structural schematic view of the utility model;

[0014] Figure 2 It is a perspective view of the utility model;

[0015] Figure 3 It is an exploded view of the utility model;

[0016] Names of components in the drawing: 1, air pipe; 2, air pipe; 3, air guide plate; 4, wind wheel; 5, air pipe; 6, elastic rod; 7, rotating wheel; 8, high-pressure nozzle; 9, roller; 10, supporting rod; 11, mounting plate; 12, handle; 13, chain wheel; 14, chain. DETAILED DESCRIPTION

[0017] The utility model is further described below with reference to the drawings by specific embodiments, but is not used to limit the utility model, any modification, equivalent replacement, improvement etc. made within the spirit and principle of the utility model should be included in the protection scope of the utility model.

[0018] Embodiment

[0019] The highway maintenance crack repairing device described in the embodiment, as shown in Figure 1 、 Figure 2 and Figure 3 , comprises a gas conveying pipe 2, one end of the gas conveying pipe 2 is connected with a gas pipe 1, the gas pipe 1 is used to connect the gas conveying pipe 2 with a gas conveying device outside, the gas conveying device conveys compressed air into the gas conveying pipe 2 through the gas pipe 1;

[0020] Further description, as shown in Figure 1 and Figure 3 , the preferred embodiment comprises a rotating wheel 7, two installation plates 11 distributed in parallel and at intervals are fixed on the end of the gas conveying pipe 2 towards the ground, the rotating wheel 7 is rotatably installed between the two installation plates 11 through a first rotating shaft; as shown in Figure 1 and Figure 3As shown, the two mounting plates 11 are provided with through holes communicating with each other, the first rotating shaft passes through the two through holes, and the rotating wheel 7 is sleeved on the first rotating shaft, so that the rotating wheel 7 can rotate between the two mounting plates 11; a plurality of elastic rods 6 are uniformly arranged on the outer circle of the rotating wheel 7 in the circumferential direction, and all the elastic rods 6 are connected with the rotating wheel 7 through threads; the connecting end of all the elastic rods 6 is provided with external threads, a plurality of threaded holes are uniformly arranged on the outer circumferential surface of the rotating wheel 7 in the circumferential direction, the connecting end of the elastic rod 6 is sleeved in the threaded hole and is in threaded cooperation with the threaded hole, so that the elastic rod 6 is arranged on the rotating wheel 7, and the elastic rod 6 is convenient to disassemble and replace; a plurality of bristles are fixed on each elastic rod 6; the elastic rod 6 is made of stainless steel, die-casting die steel, high-speed steel and the like, and these materials have a certain elasticity, so that the elastic rod 6 can bend along the shape of the crack when entering the crack, so as to better adapt to the crack, and can restore to a straight rod shape after leaving the crack; the bristles are made of cold-drawn steel wire, hard steel wire and stainless steel wire and the like, and these materials all have a certain elasticity and can adapt to the shape in the crack; in use, the rotating wheel 7 drives all the elastic rods 6 to rotate, the end of the elastic rod 6 extends into the crack of the road, the bristles on the elastic rod 6 contact the bottom and the wall of the crack, when the rotating wheel 7 rotates, the end of the elastic rod 6 moves in the crack, and the bristles on the elastic rod 6 brush the bottom and the wall of the crack, so that the dirt on the wall of the crack is brushed off, and the stones and impurities at the bottom of the crack are brought out, so as to clean the inside of the crack; the whole scheme forms a cleaning assembly for cleaning the bottom and the inner wall of the crack; of course, the cleaning assembly can also adopt an elastic steel ring, two mounting plates 11 are fixed on one end of the gas conveying pipe 2 in parallel and spaced apart, the rotating wheel 7 is rotatably arranged between the two mounting plates 11 through a first rotating shaft, the elastic steel ring is sleeved on the rotating wheel 7, a plurality of connecting rods are connected between the elastic steel ring and the rotating wheel 7, and a plurality of bristles are fixed on the elastic steel ring, so that the steel ring is inserted into the crack, and the bristles on the elastic steel ring clean the dirt and stones in the crack.

[0021] Further, as shown in Figure 2 and Figure 3 , the preferred embodiment of the present application includes two sprockets 13, and a wind wheel 4 is rotatably arranged in the gas conveying pipe 2 through a second rotating shaft; as shown in Figure 1 , the wind wheel 4 is composed of a rolling sleeve and a plurality of fan blades, and the fan blades are fixed on the outer circumferential surface of the rolling sleeve in the circumferential direction; the second rotating shaft is horizontally sleeved in the gas conveying pipe 2, and the wind wheel 4 is sleeved on the second rotating shaft, so that the wind wheel 4 can roll in the gas conveying pipe 2; the gas conveying pipe 2 is fixed in an inclined manner and provided with a gas guide plate 3 for guiding the airflow to one side of the wind wheel 4; as shown in Figure 1As shown, the air guide plate 3 is fixed in an inclined manner on one side of the air guide plate 3, and after the compressed gas is delivered into the air pipe 2, the air guide plate 3 can guide the air to one side of the wind wheel 4, so that the air blows the wind wheel 4 to rotate; the two sprockets 13 are respectively sleeved on one end of the first rotating shaft and the second rotating shaft, one end of the second rotating shaft penetrates the pipe wall of the air pipe 2 and is located outside the pipe; the chain 14 for driving the two sprockets 13 is arranged between the two sprockets 13; when one of the sprockets 13 rotates, the other sprocket 13 can be driven to rotate synchronously through the chain 14; in use, after the compressed gas is delivered into the air pipe 2 by the air pipe 1, the air guide plate 3 can guide the air to one side of the wind wheel 4, so that the air blows the wind wheel 4 to rotate, and when the wind wheel 4 rotates, the sprocket 13 connected with the second rotating shaft is driven to rotate by the second rotating shaft, the sprocket 13 is driven to rotate by the chain 14, and the sprocket 13 is driven to rotate by the first rotating shaft, so that the elastic rod 6 on the runner 7 is driven to rotate by the runner 7, so that the elastic rod 6 on the runner 7 cleans the impurities such as soil and stones in the gap; the whole scheme constitutes a driving assembly for driving the cleaning assembly to rotate; of course, the driving assembly can also adopt a motor, the motor is installed on one of the mounting plates 11, the output end of the motor is connected with the first rotating shaft, the first rotating shaft is driven to rotate by the motor, the elastic rod 6 on the runner 7 is driven to rotate by the runner 7, so that the elastic rod 6 on the runner 7 cleans the impurities such as soil and stones in the gap.

[0022] The air pipe 2 is fixed with two pipes 5 which are communicated with the air pipe 2 and respectively face two cleaning directions of the cleaning assembly before and after, and high-pressure nozzles 8 are installed on the ends of the two air pipes 2 to blow air into the gap. Figure 1 As shown, the air pipe 2 is connected with two pipes 5 on the end facing the ground, the air outlet end of one pipe 5 faces the right side of the runner 7 in the drawing, the high-pressure nozzles 8 on the pipe 5 spray high-pressure air into the gap, roughly clean the gap to be cleaned in front of the runner 7 in the gap, blow out part of the impurities in the gap, so as to reduce the cleaning difficulty of the elastic rod 6; and the air outlet end of the other air pipe 2 faces the left side of the runner 7 in the drawing, the high-pressure nozzles 8 on the pipe 5 spray high-pressure air into the gap, clean the gap which has been cleaned behind the runner 7 in the gap, blow out the residual fine impurities in the gap, and avoid the residual fine impurities in the gap.

[0023] The air pipe 2 is fixed with a support rod 10, and the support rod 10 is installed with a roller 9. Figure 1 As shown in the drawing, in use, the air pipe 2 is inclined, the support rod 10 is vertical, the roller 9 is installed on the lower end of the support rod 10 through the mounting shaft, and the air pipe 2 is made of the roller 9 and the support rod 10, so as to facilitate movement; in use, the single-wheel design can facilitate the movement of the crack repairing device along the crack, and the single-wheel design can more conveniently swing the angle of the crack repairing device, so as to more conveniently clean the impurities in the crack by the elastic rod 6.

[0024] The gas conveying pipe 2 is fixed with several handles 12, as shown in the figure. Figure 2 As shown in the figure, the gas conveying pipe 2 is fixed with two handles 12 which are symmetrically distributed, and the staff can hold the two handles 12 when using, so as to make the staff operate the crack repairing device more conveniently; the surface of all handles 12 is provided with anti-skid lines, which can increase the friction between the hands of the staff and the handles 12, so as to prevent the hands and the handles from slipping.

[0025] In actual use, the crack repairing device is placed in an inclined state, the roller 9 is attached to the ground, and the crack repairing device is supported by the roller 9 and the supporting rod 10; the compressed air is conveyed into the gas conveying pipe 2 by the external gas conveying equipment through the gas pipe 1, the air in the gas conveying pipe 2 is guided to one side of the wind wheel 4 by the air guide plate 3, the air blows the wind wheel 4 to rotate, the wind wheel 4 rotates to drive the chain wheels 13 connected thereto to rotate, the chain wheels 13 drive another chain wheel 13 to rotate through the chain 14, and the chain wheel 13 drives the rotating wheel 7 to rotate through the first rotating shaft, so that the rotating wheel 7 drives the elastic rods 6 thereon to rotate; then, the ends of the elastic rods 6 are stretched into the cracks of the road, the bristles on the elastic rods 6 contact the bottom and the wall of the cracks, the rotating wheel 7 drives the ends of the elastic rods 6 to move in the cracks, and the bristles on the elastic rods 6 brush the bottom and the wall of the cracks, the bristles brush the dirt attached to the wall of the cracks, and the stones and impurities at the bottom of the cracks are brought out, so as to clean the inside of the cracks, and the high-pressure nozzles 8 on the two pipes 5 spray the high-pressure air in the gas conveying pipe 2 into the cracks, so as to blow out the impurities in the to-be-cleaned area and the cleaned area in the cracks, so as to reduce the cleaning difficulty of the elastic rods 6 and avoid the residues of the impurities, so that the cracks can be cleaned more cleanly, and the bonding strength of the emulsified asphalt and the repairing effect are improved.

Claims

1. A crack repairing device for road maintenance, comprising a gas pipe (2) and a gas pipe (1) connected to one end of the gas pipe (2), characterized in that: The other end of the gas conveying pipe (2) is provided with a cleaning assembly for cleaning the bottom and inner wall of the crack, the gas conveying pipe (2) is provided with a driving assembly for driving the cleaning assembly to rotate, the gas conveying pipe (2) is fixed with two ducts (5) which are communicated with the gas conveying pipe (2) and respectively face two cleaning directions of the cleaning assembly, the ends of the two gas conveying pipes (2) are installed with high-pressure nozzles (8) for blowing gas into the crack, the gas conveying pipe (2) is fixed with a supporting rod (10), and the end of the supporting rod (10) is installed with a roller (9).

2. The highway maintenance crack patching device of claim 1, wherein: The cleaning assembly comprises a rotating wheel (7), the end of the gas conveying pipe (2) facing the ground is fixed with two installation plates (11) which are parallel and spaced, the rotating wheel (7) is rotatably installed between the two installation plates (11) through a first rotating shaft, a plurality of elastic rods (6) are uniformly installed on the outer circle of the rotating wheel (7) in the circumferential direction, and a plurality of bristles are fixed on each elastic rod (6).

3. The highway maintenance crack-patching device of claim 2, wherein: The driving assembly comprises two chain wheels (13), the gas conveying pipe (2) is rotatably installed with a wind wheel (4) through a second rotating shaft, the gas conveying pipe (2) is fixed with a gas guide plate (3) which is inclined and guides the airflow to one side of the wind wheel (4), the two chain wheels (13) are respectively sleeved on one end of the first rotating shaft and the second rotating shaft, and a chain (14) which drives the two chain wheels (13) is arranged between the two chain wheels (13).

4. The highway maintenance crack patching device of claim 2, wherein: All the bristles are made of elastic material.

5. The highway maintenance crack patching device of claim 1, wherein: A plurality of handles (12) are fixed on the gas conveying pipe (2).

6. The highway maintenance crack-patching device of claim 5, wherein: Anti-skid lines are formed on the surfaces of all the handles (12).

7. The highway maintenance crack repair device of claim 1, wherein: All the elastic rods (6) and the rotating wheel (7) are connected through threads.

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