Repairing device for road cracks

Abstract

The utility model discloses a repairing device for road cracks, and relates to the technical field of road repairing. The stirring device comprises a bottom plate, a stirring assembly is fixedly installed at the top end of the bottom plate, a driving assembly is fixedly installed at the top end of the stirring assembly, and a flow limiting assembly is fixedly installed at the top end of the bottom plate. The rotating handle is rotated to drive the threaded rod to rotate, the threaded rod drives the rotating seat to move downwards, the rotating seat is matched with the mounting plate to drive the supporting seat to move, the supporting seat is matched with the rotating shaft to drive the cleaning brush to make contact with the ground, then the first motor is started to drive the rotating shaft to rotate, and the rotating shaft drives the cleaning brush to sweep the road surface. As the sweeping assembly is arranged at the front end of the repairing device, when the pavement cracks are repaired, chippings and dust in the pavement and the cracks can be cleaned, cleanliness of the interiors of the cracks is guaranteed, follow-up repairing is facilitated, and time and labor are saved when the pavement cracks are repaired.

Description

Technical Field

[0001] The utility model belongs to the technical field of road repair, and in particular relates to a repairing device for road cracks. Background Art

[0002] Adding necessary materials to concrete forms a composite concrete structure. Common ones include reinforced concrete structures, prestressed concrete structures, and steel-concrete structures. With the cooperation of reinforced materials in concrete, the high bearing capacity of concrete can be demonstrated in the project, but the tensile capacity of concrete is very low. During the construction process, due to improper use of materials or construction methods, quality problems may occur in parts of the construction project. The most common problem is cracks in the concrete.

[0003] In the prior art, when repairing cracks in concrete pavement, the debris and dust around the cracks in the concrete pavement are generally cleaned, and then special materials are poured into the cracks and smoothed. Manual cleaning of the concrete pavement is time-consuming and labor-intensive.

[0004] Currently, no effective solution has been proposed for the problems in the related technologies. Utility Model Content

[0005] In view of the problems in the related technology, the utility model proposes a repairing device for road cracks to overcome the above technical problems existing in the existing related technology.

[0006] In order to solve the above technical problems, the utility model is realized by the following technical solutions:

[0007] The utility model is a repair device for road cracks, comprising a bottom plate, a stirring assembly is fixedly installed on the top of the bottom plate, a driving assembly is fixedly installed on the top of the stirring assembly, a flow limiting assembly is fixedly installed on the top of the bottom plate, the interior of the flow limiting assembly is fixedly installed with the bottom end of the stirring assembly, and the bottom end of the flow limiting assembly is fixedly connected with a discharge pipe;

[0008] The bottom end of the base plate is fixedly installed with a universal wheel, the top end of the base plate is fixedly installed with a leveling assembly, the top end of the base plate is fixedly installed with a handrail, and the top end of the base plate is fixedly provided with a cleaning assembly, and the cleaning assembly includes a first mounting bracket, the bottom end of the first mounting bracket is fixedly installed with the top end of the base plate, the internal thread of the first mounting bracket is connected with a threaded rod, the top end of the threaded rod is fixedly connected with a turning handle, the bottom end of the threaded rod is rotatably connected with a rotating seat, the bottom end of the rotating seat is fixedly connected with a mounting plate, the bottom end of the mounting plate is fixedly connected with a supporting seat, the internal rotatable connection of the supporting seat is connected with a rotating shaft, a cleaning brush is fixedly installed on the outer surface of the rotating shaft, and a first motor is fixedly installed on one side of the supporting seat, and the output end of the first motor is fixedly connected to one end of the rotating shaft.

[0009] Further, the stirring assembly includes a stirring box, the bottom end of the stirring box is fixedly installed with the top end of the bottom plate, the interior of the stirring box is rotatably connected with a first rotating rod, the interior of the stirring box is rotatably connected with a second rotating rod, and the outer surfaces of the first rotating rod and the second rotating rod are both fixedly installed with stirring rods;

[0010] The top of the mixing box is provided with a pouring port, the outer side of the pouring port is hingedly provided with a cover plate, and the bottom end of the mixing box is fixedly connected with a connecting pipe.

[0011] Furthermore, the driving assembly includes a second mounting frame, a second motor is fixedly mounted on the top of the second mounting frame, an output end of the second motor is fixedly connected to a driving gear, the output end of the second motor is fixedly connected to one end of the first rotating rod, a surface of the driving gear is meshingly connected to a driven gear, and an interior of the driven gear is fixedly connected to an outer surface of the second rotating rod.

[0012] Furthermore, the current limiting component includes a mounting box and a mounting seat, the bottom end of the mounting box is fixedly mounted on the top end of the bottom plate, a current limiting block is slidably arranged inside the mounting box, a current limiting hole is provided on the top end of the current limiting block, and the inside of the mounting box is fixedly connected to one end of the discharge pipe;

[0013] The bottom end of the mounting seat is fixedly mounted on the top end of the bottom plate, a first electric push rod is fixedly mounted inside the mounting seat, and a telescopic end of the first electric push rod is fixedly connected to one side of the current limiting block.

[0014] Furthermore, the smoothing assembly includes a third mounting bracket, the bottom end of the third mounting bracket is fixedly mounted to the top end of the base plate, a second electric push rod is fixedly mounted to the top end of the third mounting bracket, the second electric push rod is fixedly connected to a connecting plate, the bottom end of the connecting plate is fixedly connected to a spring, and the bottom end of the spring is fixedly connected to a trowel plate.

[0015] Furthermore, a limit rod is fixedly connected to the top end of the trowel plate, and an outer surface of the limit rod is slidably arranged with the inside of the connecting plate and the third mounting frame.

[0016] Furthermore, a T-shaped slot is provided on the inner side of the first mounting frame, a T-shaped block is slidably provided inside the T-shaped slot, and one side of the T-shaped block is fixedly connected to one side of the mounting plate.

[0017] The utility model has the following beneficial effects:

[0018] 1. The utility model drives the threaded rod to rotate by rotating the handle, and the threaded rod drives the rotating seat to move downward, the rotating seat cooperates with the mounting plate to drive the support seat to move, and the support seat cooperates with the rotating shaft to drive the cleaning brush to contact the ground, and then the first motor is started to drive the rotating shaft to rotate, and the rotating shaft drives the cleaning brush to clean the road surface. Since the cleaning component is arranged at the front end of the repairing device, when repairing the cracks in the road surface, the debris and dust inside the road surface and the cracks can be cleaned to ensure the cleanliness of the inside of the cracks, which is convenient for subsequent repairs, and thus it is more time-saving and labor-saving when repairing the cracks in the road surface.

[0019] 2. The utility model starts the first electric push rod to drive the current limiting block fixedly connected to its telescopic end to move. Since the outer surface of the current limiting block is slidably arranged inside the installation box, the current limiting block can move inside the installation box. When the current limiting block moves, it can drive the current limiting hole opened on its top to move. The current limiting hole can be connected to the connecting pipe and the discharge pipe. At the same time, when the current limiting block drives the current limiting hole to move, it can close the connection between the connecting pipe and the discharge pipe, thereby facilitating the control of the flow rate of the material inside the mixing box.

[0020] Of course, any product implementing the present invention does not necessarily need to achieve all of the advantages described above at the same time. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the technical solutions of the utility model embodiments, the drawings required for describing the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0022] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0023] Figure 2 It is a schematic diagram of the structure of the utility model in a cross-section from a front view perspective;

[0024] Figure 3 For the utility model Figure 2A magnified schematic diagram of the local structure at point A;

[0025] Figure 4 For the utility model Figure 2 A magnified schematic diagram of the local structure at B in the middle;

[0026] Figure 5 It is a structural schematic diagram of the cleaning component of the utility model from a right side viewing angle;

[0027] Figure 6 It is a schematic structural diagram of the utility model in section from a left viewing angle.

[0028] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0029] 1. Bottom plate; 2. Stirring assembly; 201. Stirring box; 202. First rotating rod; 203. Second rotating rod; 204. Stirring rod; 205. Discharging port; 206. Cover plate; 207. Connecting pipe; 3. Driving assembly; 301. Second mounting bracket; 302. Second motor; 303. Driving gear; 304. Driven gear; 4. Current limiting assembly; 401. Mounting box; 402. Mounting seat; 403. Current limiting block; 404. Current limiting hole; 405. First electric push rod; 5. Discharge pipe; 6. Universal wheel; 7. Smoothing assembly; 701. Third mounting frame; 702. Second electric push rod; 703. Connecting plate; 704. Spring; 705. Smoothing plate; 8. Handrail; 9. Cleaning assembly; 901. First mounting frame; 902. Threaded rod; 903. Turning handle; 904. Rotating seat; 905. Mounting plate; 906. Support seat; 907. Rotating shaft; 908. Cleaning brush; 909. First motor; 10. Limiting rod; 11. T-slot; 12. T-block. DETAILED DESCRIPTION

[0030] The following will be combined with the drawings in the utility model embodiments to clearly and completely describe the technical solutions in the utility model embodiments. Obviously, the described embodiments are only part of the utility model embodiments, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0031] In the description of the present utility model, it should be understood that the terms "opening", "upper", "lower", "top", "middle", "inside" and the like indicating orientation or positional relationship are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the components or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the utility model.

[0032] See also Figure 1-Figure 6As shown, the utility model is a repair device for road cracks, comprising a bottom plate 1, a stirring assembly 2 is fixedly installed on the top of the bottom plate 1, a driving assembly 3 is fixedly installed on the top of the stirring assembly 2, a flow limiting assembly 4 is fixedly installed on the top of the bottom plate 1, the interior of the flow limiting assembly 4 is fixedly installed with the bottom end of the stirring assembly 2, and a discharge pipe 5 is fixedly connected to the bottom end of the flow limiting assembly 4;

[0033] A universal wheel 6 is fixedly installed at the bottom end of the base plate 1, a smoothing component 7 is fixedly installed at the top end of the base plate 1, a handrail 8 is fixedly installed at the top end of the base plate 1, and a cleaning component 9 is fixedly provided at the top end of the base plate 1. The cleaning component 9 includes a first mounting frame 901, the bottom end of the first mounting frame 901 is fixedly installed with the top end of the base plate 1, the internal thread connection of the first mounting frame 901 is connected with a threaded rod 902, the top end of the threaded rod 902 is fixedly connected with a handle 903, the bottom end of the threaded rod 902 is rotatably connected with a rotating seat 904, the bottom end of the rotating seat 904 is fixedly connected with a mounting plate 905, the bottom end of the mounting plate 905 is fixedly connected with a supporting seat 906, the internal rotatable connection of the supporting seat 906 is connected with a rotating shaft 907, a cleaning brush 908 is fixedly installed on the outer surface of the rotating shaft 907, a first motor 909 is fixedly installed on one side of the supporting seat 906, and the output end of the first motor 909 is fixedly connected to one end of the rotating shaft 907.

[0034] When in use, the special material and water are poured into the interior of the stirring component 2 according to the moving proportion, and the stirring component 2 fixedly arranged at its output end is driven to rotate by starting the driving component 3 to fully mix the special material and water inside it, and then the handrail 8 is pushed to cooperate with the universal wheel 6 to push the bottom plate 1 to move, so as to move the road crack repair device to the specified position, and then the cleaning component 9 is rotated to make it contact with the road surface, and then the threaded rod 902 fixedly connected inside it is driven to rotate by rotating the handle 903. Since the threaded surface of the threaded rod 902 is connected to the internal thread of the first mounting frame 901, when the threaded rod 902 rotates, it can drive the rotating seat 904 to move downward, and when the rotating seat 904 moves, it can drive the mounting plate 905 fixedly connected to its bottom end to move, and when the mounting plate 905 moves, it can drive the support seat 9 fixedly installed at its bottom end. 06 moves, and when the support seat 906 moves, it can drive the rotating shaft 907 connected thereto to move, and when the rotating shaft 907 moves, it can drive the cleaning brush 908 fixedly installed on its outer surface to contact the ground, and then the first motor 909 is started to drive the rotating shaft 907 fixedly connected to its output end to rotate, and when the rotating shaft 907 rotates, it can drive the cleaning brush 908 fixedly installed on its outer surface to rotate, so that it can clean the road surface, and then by starting the flow limiting component 4, the material inside the stirring component 2 can flow into the inside of the flow limiting component 4, and flow out from the inside of the discharge pipe 5 fixedly connected to the bottom end of the flow limiting component 4, and then flow to the ground, and then start the smoothing component 7 to make it fit with the road surface, and then push the handrail 8 to cooperate with the universal wheel 6 fixedly installed at the bottom end of the base plate 1 to move, so as to facilitate the repair of the road surface gap.

[0035] The utility model drives the threaded rod 902 to rotate by rotating the handle 903, and the threaded rod 902 drives the rotating seat 904 to move downward, and the rotating seat 904 cooperates with the mounting plate 905 to drive the support seat 906 to move, and the support seat 906 cooperates with the rotating shaft 907 to drive the cleaning brush 908 to contact the ground, and then starts the first motor 909 to drive the rotating shaft 907 to rotate, and the rotating shaft 907 drives the cleaning brush 908 to clean the road surface. Since the cleaning component 9 is arranged at the front end of the repairing device, when repairing cracks in the road surface, the debris and dust inside the road surface and the cracks can be cleaned to ensure that the inside of the cracks is clean, which is convenient for subsequent repairs, and it is more time-saving and labor-saving when repairing cracks in the road surface.

[0036] In one embodiment, for the above-mentioned stirring assembly 2, the stirring assembly 2 includes a stirring box 201, the bottom end of the stirring box 201 is fixedly installed with the top end of the bottom plate 1, the interior of the stirring box 201 is rotatably connected with a first rotating rod 202, the interior of the stirring box 201 is rotatably connected with a second rotating rod 203, and the outer surfaces of the first rotating rod 202 and the second rotating rod 203 are fixedly installed with stirring rods 204;

[0037] A pouring port 205 is provided at the top of the mixing box 201 , a cover plate 206 is hingedly provided on the outer side of the pouring port 205 , and a connecting pipe 207 is fixedly connected to the bottom end of the mixing box 201 .

[0038] By opening the cover 206, water and special materials are poured into the interior of the mixing box 201, and then the cover 206 is closed. By starting the driving component 3, the first rotating rod 202 and the second rotating rod 203 can be driven to rotate. When the first rotating rod 202 and the second rotating rod 203 rotate, the stirring rod 204 fixedly installed on the outer surface thereof can be driven to rotate, thereby making it possible to evenly stir the special material and water.

[0039] In one embodiment, for the above-mentioned driving component 3, the driving component 3 includes a second mounting frame 301, a second motor 302 is fixedly mounted on the top of the second mounting frame 301, an output end of the second motor 302 is fixedly connected to a driving gear 303, the output end of the second motor 302 is fixedly connected to one end of the first rotating rod 202, a surface of the driving gear 303 is meshingly connected to a driven gear 304, and the interior of the driven gear 304 is fixedly connected to the outer surface of the second rotating rod 203.

[0040] By starting the second motor 302 to drive the first rotating rod 202 and the driving gear 303 fixedly connected to its output end to rotate, when the driving gear 303 rotates, it can drive the driven gear 304 meshingly connected to its surface to rotate, and when the driven gear 304 rotates, it can drive the second rotating rod 203 fixedly connected inside it to rotate, so that the rotation directions of the second rotating rod 203 and the first rotating rod 202 are opposite, so that they can cooperate with the stirring rod 204 to more quickly mix the special material and water inside the stirring box, thereby improving the stirring efficiency of the stirring component 2.

[0041] In one embodiment, for the above-mentioned current limiting component 4, the current limiting component 4 includes a mounting box 401 and a mounting seat 402, the bottom end of the mounting box 401 is fixedly mounted on the top end of the bottom plate 1, a current limiting block 403 is slidably arranged inside the mounting box 401, a current limiting hole 404 is provided on the top end of the current limiting block 403, and the inside of the mounting box 401 is fixedly connected to one end of the discharge pipe 5;

[0042] The bottom end of the mounting seat 402 is fixedly mounted to the top end of the base plate 1 , and a first electric push rod 405 is fixedly mounted inside the mounting seat 402 . The telescopic end of the first electric push rod 405 is fixedly connected to one side of the current limiting block 403 .

[0043] By starting the first electric push rod 405, the flow limiting block 403 fixedly connected to its telescopic end is driven to move. Since the outer surface of the flow limiting block 403 is set to slide inside the installation box 401, the flow limiting block 403 can move inside the installation box 401. When the flow limiting block 403 moves, it can drive the flow limiting hole 404 opened on the top thereof to move. The flow limiting hole 404 can be connected to the connecting pipe 207 and the discharge pipe 5. At the same time, when the flow limiting block 403 drives the flow limiting hole 404 to move, it can close the connection between the connecting pipe 207 and the discharge pipe 5, thereby facilitating the control of the flow rate of the material inside the mixing box 201.

[0044] In one embodiment, for the above-mentioned smoothing component 7, the smoothing component 7 includes a third mounting frame 701, the bottom end of the third mounting frame 701 is fixedly mounted on the top of the base plate 1, a second electric push rod 702 is fixedly mounted on the top of the third mounting frame 701, the second electric push rod 702 is fixedly connected to a connecting plate 703, the bottom end of the connecting plate 703 is fixedly connected to a spring 704, and the bottom end of the spring 704 is fixedly connected to a trowel plate 705.

[0045] By starting the second electric push rod 702, the connecting plate 703 fixedly connected to its telescopic end is driven to move. When the connecting plate 703 moves, it can drive the spring 704 fixedly connected to its bottom end to move. When the spring 704 moves, it can drive the trowel plate 705 fixedly connected to its bottom end to move, thereby making it contact with the ground, so as to smooth the repair material flowing out of the discharge pipe 5.

[0046] In one embodiment, for the above-mentioned trowel plate 705 , the top end of the trowel plate 705 is fixedly connected to a limiting rod 10 , and the outer surface of the limiting rod 10 is slidably arranged inside the connecting plate 703 and the third mounting frame 701 .

[0047] The setting of the limiting rod 10 can limit the position of the trowel plate 705, thereby preventing the trowel plate 705 from deviating during the movement of the repair device, thereby improving the stability of the trowel plate during the movement.

[0048] In one embodiment, for the first mounting frame 901 , a T-slot 11 is provided on the inner side of the first mounting frame 901 , a T-block 12 is slidably provided inside the T-slot 11 , and one side of the T-block 12 is fixedly connected to one side of the mounting plate 905 .

[0049] When the threaded rod 902 rotates, it can drive the rotating seat 904 to move downward. When the rotating seat 904 moves, it can drive the mounting plate 905 fixedly connected to its bottom end to move. When the mounting plate 905 moves, it can drive the T-block 12 fixedly connected to one side thereof to move, thereby causing the T-block 12 to move inside the T-slot 11, thereby improving the stability of the mounting plate 905 during movement.

[0050] Through the above technical solution, 1. The threaded rod 902 is driven to rotate by rotating the handle 903, and the threaded rod 902 drives the rotating seat 904 to move downward, and the rotating seat 904 cooperates with the mounting plate 905 to drive the support seat 906 to move, and the support seat 906 cooperates with the rotating shaft 907 to drive the cleaning brush 908 to contact the ground, and then the first motor 909 is started to drive the rotating shaft 907 to rotate, and the rotating shaft 907 drives the cleaning brush 908 to clean the road surface. Since the cleaning component 9 is arranged at the front end of the repair device, when repairing the cracks in the road surface, the debris and dust inside the road surface and the cracks can be cleaned to ensure that the inside of the cracks is clean, which is convenient for subsequent repairs, and then It is more time-saving and labor-saving when repairing road cracks; 2. By starting the first electric push rod 405 to drive the current limiting block 403 fixedly connected to its telescopic end to move, since the outer surface of the current limiting block 403 is slidably arranged inside the installation box 401, the current limiting block 403 can move inside the installation box 401. When the current limiting block 403 moves, it can drive the current limiting hole 404 opened at its top to move, and the current limiting hole 404 can be connected to the connecting pipe 207 and the discharge pipe 5. At the same time, when the current limiting block 403 drives the current limiting hole 404 to move, it can close the connection between the connecting pipe 207 and the discharge pipe 5, thereby facilitating the control of the flow rate of the material inside the mixing box 201.

[0051] In the description of this specification, the description with reference to the terms "one embodiment", "example", "specific example", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0052] The preferred embodiments of the utility model disclosed above are only used to help explain the utility model. The preferred embodiments do not describe all the details in detail, nor do they limit the utility model to the specific implementation methods described. Obviously, many modifications and changes can be made according to the content of this specification. This specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the utility model, so that technicians in the relevant technical field can well understand and use the utility model. The utility model is limited only by the claims and their full scope and equivalents.

Claims

1. A repair device for road cracks, comprising a base plate (1), characterized in that: A stirring assembly (2) is fixedly mounted on the top of the bottom plate (1), a driving assembly (3) is fixedly mounted on the top of the stirring assembly (2), a flow limiting assembly (4) is fixedly mounted on the top of the bottom plate (1), the interior of the flow limiting assembly (4) is fixedly mounted on the bottom end of the stirring assembly (2), and a discharge pipe (5) is fixedly connected to the bottom end of the flow limiting assembly (4); A universal wheel (6) is fixedly mounted on the bottom end of the base plate (1), a smoothing assembly (7) is fixedly mounted on the top end of the base plate (1), a handrail (8) is fixedly mounted on the top end of the base plate (1), a cleaning assembly (9) is fixedly arranged on the top end of the base plate (1), and the cleaning assembly (9) comprises a first mounting frame (901), the bottom end of the first mounting frame (901) is fixedly mounted on the top end of the base plate (1), a threaded rod (902) is connected to the inner thread of the first mounting frame (901), and a rotating handle (903) is fixedly connected to the top end of the threaded rod (902). The bottom end of the threaded rod (902) is rotatably connected to a rotating seat (904), the bottom end of the rotating seat (904) is fixedly connected to a mounting plate (905), the bottom end of the mounting plate (905) is fixedly connected to a support seat (906), the interior of the support seat (906) is rotatably connected to a rotating shaft (907), a cleaning brush (908) is fixedly mounted on the outer surface of the rotating shaft (907), a first motor (909) is fixedly mounted on one side of the support seat (906), and the output end of the first motor (909) is fixedly connected to one end of the rotating shaft (907).

2. A road crack repair device according to claim 1, characterized in that: The stirring assembly (2) comprises a stirring box (201), the bottom end of the stirring box (201) is fixedly mounted on the top end of the bottom plate (1), a first rotating rod (202) is rotatably connected inside the stirring box (201), a second rotating rod (203) is rotatably connected inside the stirring box (201), and stirring rods (204) are fixedly mounted on the outer surfaces of the first rotating rod (202) and the second rotating rod (203); The top of the mixing box (201) is provided with a pouring port (205), the outer side of the pouring port (205) is hingedly provided with a cover plate (206), and the bottom end of the mixing box (201) is fixedly connected with a connecting pipe (207).

3. A road crack repair device according to claim 2, characterized in that: The driving assembly (3) comprises a second mounting frame (301), a second motor (302) is fixedly mounted on the top of the second mounting frame (301), an output end of the second motor (302) is fixedly connected to a driving gear (303), the output end of the second motor (302) is fixedly connected to one end of the first rotating rod (202), a surface of the driving gear (303) is meshingly connected to a driven gear (304), and the interior of the driven gear (304) is fixedly connected to the outer surface of the second rotating rod (203).

4. A road crack repair device according to claim 1, characterized in that: The current limiting component (4) comprises a mounting box (401) and a mounting seat (402); the bottom end of the mounting box (401) is fixedly mounted to the top end of the bottom plate (1); a current limiting block (403) is slidably arranged inside the mounting box (401); a current limiting hole (404) is provided at the top end of the current limiting block (403); and the inside of the mounting box (401) is fixedly connected to one end of the discharge pipe (5); The bottom end of the mounting seat (402) is fixedly mounted to the top end of the base plate (1), a first electric push rod (405) is fixedly mounted inside the mounting seat (402), and a telescopic end of the first electric push rod (405) is fixedly connected to one side of the current limiting block (403).

5. A road crack repair device according to claim 1, characterized in that: The smoothing assembly (7) comprises a third mounting frame (701), the bottom end of the third mounting frame (701) is fixedly mounted to the top end of the base plate (1), a second electric push rod (702) is fixedly mounted to the top end of the third mounting frame (701), the second electric push rod (702) is fixedly connected to a connecting plate (703), the bottom end of the connecting plate (703) is fixedly connected to a spring (704), and the bottom end of the spring (704) is fixedly connected to a smoothing plate (705).

6. A road crack repair device according to claim 5, characterized in that: The top end of the trowel plate (705) is fixedly connected to a limiting rod (10), and the outer surface of the limiting rod (10) is slidably arranged inside the connecting plate (703) and the third mounting frame (701).

7. A road crack repair device according to claim 1, characterized in that: A T-shaped slot (11) is provided on the inner side of the first mounting frame (901), a T-shaped block (12) is slidably provided inside the T-shaped slot (11), and one side of the T-shaped block (12) is fixedly connected to one side of the mounting plate (905).

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