Joint filling structure for concrete construction

Abstract

The invention discloses a joint filling structure for concrete construction. The joint filling structure comprises a vehicle body, a cleaning unit and a joint wetting unit. Wherein the interior of a carriage of the vehicle body is sequentially divided into a scrap storage cavity, a water storage cavity and a repairing agent storage cavity; the cleaning unit comprises a fan and a rotating shaft, the rotating shaft is vertically arranged at the bottom in the scrap storage cavity, and the fan is installed on the rotating shaft; the gap wetting unit comprises a partition plate, a piston pump, a connecting pipe and an atomizing nozzle, the partition plate is horizontally arranged at the inner bottom of the water storage cavity, the piston pump is horizontally arranged at the bottom of the partition plate, a pump shaft of the piston pump is arranged in the axial direction of a pump body, and one end of the pump shaft penetrates out of the pump body and then extends into the chipping storage cavity; the atomizing nozzle is arranged at the bottom of the piston pump and is communicated with the piston pump; a first transmission assembly is further arranged between the rotating shaft and the pump shaft; in conclusion, the inner side of the gap can be cleaned and then wetted, and therefore the repairing effect and quality of the gap can be effectively guaranteed.

Description

Technical Field

[0001] The invention belongs to the technical field of construction engineering, and in particular relates to a joint repairing structure for concrete construction. Background Art

[0002] Repairing cracks in concrete pavement is an important maintenance task that can extend the service life of the pavement and ensure driving safety.

[0003] The current concrete pavement repair structure mainly includes a crack cleaning unit, a crack filling unit and a pressure roller unit; the crack cleaning unit is used to clean impurities in the cracks during the pre-treatment of the cracks before crack repair, the crack filling unit is used to squeeze fillers into the cracks, and the pressure roller unit is used to compact the filling material in the pavement cracks after the crack filling mechanism has filled the material.

[0004] If the gap is too dry during the concrete repair process, bubbles and voids may be formed when the repair material is filled, which will seriously affect the gap repair effect; therefore, in order to ensure the crack repair effect, it is generally required to moisten the crack before repairing it. The current concrete pavement repair structure does not have the moistening function. Therefore, when workers actually operate, they first use a spraying tool to wet the crack as a whole, and then use the pavement repair structure to clean and repair the crack. This causes some dirt to adhere more firmly to the inside of the crack in a moist environment, and the crack cleaning process will cause the water in the crack to evaporate due to the time difference. Therefore, the existing pavement repair device has the problem of poor repair quality. Summary of the invention

[0005] The purpose of the present invention is to provide a joint repairing structure for concrete construction, which can first clean the cracks on the road surface and then simultaneously moisten the cracks after the cleaning is completed.

[0006] The technical solution adopted by the present invention is a joint repair structure for concrete construction, comprising:

[0007] A vehicle body, wherein a water tank is arranged in the compartment of the vehicle body;

[0008] The cleaning unit comprises a horizontal plate, a fan, a rotating shaft and a dust suction port, wherein the dust suction port is arranged at the bottom of the carriage, the horizontal plate is arranged correspondingly on the upper side of the dust suction port, the rotating shaft is arranged vertically on the horizontal plate, and the fan is installed on the rotating shaft;

[0009] The gap wetting unit includes a partition, a piston pump, a connecting pipe and an atomizing nozzle. The partition is horizontally arranged at the bottom of the car, and the piston pump is horizontally arranged at the bottom of the partition. The pump shaft of the piston pump is arranged along the axial direction of the pump body and one end of the piston pump passes through the pump body and extends into the debris receiving chamber. The piston pump is connected to the water tank through a connecting pipe. The atomizing nozzle is arranged at the bottom of the piston pump and the two are kept connected. A first transmission assembly is also arranged between the rotating shaft and the pump shaft. When the rotating shaft rotates, the pump shaft is driven to slide horizontally.

[0010] The first transmission assembly includes a transmission shaft arranged between the rotating shaft and the pump shaft. The transmission shaft is parallel to the rotating shaft and a first transmission belt is arranged between the two. A rotating disk is also arranged at the upper end of the transmission shaft. A connecting rod is hinged on the rotating disk, and the connecting rod is connected to the pump shaft.

[0011] The interior of the carriage is divided into a debris storage chamber, a water storage chamber and a repair agent storage chamber from front to back, a dust suction port is arranged at the bottom of the debris storage chamber, and a water tank is arranged in the water storage chamber.

[0012] A dust collecting hood is also arranged at the bottom of the dust suction port, and the dust collecting hood is fixed at the bottom of the debris receiving cavity.

[0013] A gap smoothing unit is also provided on the front side of the car, and the gap smoothing unit includes a mounting plate, an electronic push rod, a hollow sliding block, a first support plate, a first rotating shaft and a gap smoothing wheel. The mounting plate is horizontally arranged on the front side of the car, the electronic push rod is arranged on the mounting plate and its telescopic end is vertically downward, and a hollow sliding block is arranged on the telescopic end of the electronic push rod, one side of the sliding block is slidably connected to the rear side wall of the car and maintains communication with the interior of the car, the first support plate is arranged at the bottom of the sliding block, and the first support plate is equipped with a gap smoothing wheel through the first rotating shaft.

[0014] A dual-axis motor is also arranged inside the sliding block, and the output shaft of the dual-axis motor is perpendicular to the front side wall of the carriage. One of the output shafts points to the interior of the carriage and a second transmission assembly is arranged between the motor and the rotating shaft, and the other output shaft is away from the carriage and a third transmission assembly is arranged between the motor and the first rotating shaft.

[0015] The third transmission assembly includes a first intermediate shaft horizontally arranged at the bottom of the sliding block and perpendicular to the output shaft of the dual-axis motor, a third bevel gear is arranged on the output shaft of the dual-axis motor, a fourth bevel gear meshing with the third bevel gear is arranged on the first intermediate shaft, and a second transmission belt is arranged between the first intermediate shaft and the first rotating shaft.

[0016] A vertical second support plate is also provided at the bottom of the sliding block, the second support plate is located between the first support plate and the carriage, a horizontal second rotating shaft is provided on the second support plate, a cleaning wheel is provided on the second rotating shaft, and a fourth transmission assembly is provided between an output shaft of the dual-axis motor pointing to the carriage and the second rotating shaft.

[0017] The fourth transmission assembly includes a second intermediate shaft horizontally arranged at the bottom of the sliding block and perpendicular to the output shaft of the dual-axis motor, a fifth bevel gear is arranged on the output shaft of the dual-axis motor, a sixth bevel gear meshing with the fifth bevel gear is arranged on the second intermediate shaft, and a third transmission belt is arranged between the second intermediate shaft and the second rotating shaft.

[0018] A crack filling structure and a pressing roller for compacting the road surface after the crack filling structure is filled with material are also arranged at the bottom of the repair agent storage chamber.

[0019] The beneficial effects of the present invention are:

[0020] When a seam repair structure for concrete construction disclosed by the present invention is used, the cleaning unit is first used to align the position of the gap. Specifically, the rotation of the shaft drives the fan to rotate, so that the debris storage chamber generates negative pressure and causes the dust, debris and other impurities in the gap to be adsorbed to the inside of the compartment. At the same time, when the shaft rotates, the pump shaft can be driven to slide back and forth in the horizontal direction through the first transmission component. When the pump shaft slides toward the side close to the shaft, the volume of the pump body increases. At this time, the air pressure of the pump body decreases. Therefore, at this time, the liquid in the water tank can enter the atomizing nozzle after passing through the connecting pipe. Finally, the liquid is atomized by the atomizing nozzle to moisten the inside of the gap. Therefore, the seam repair structure for concrete construction disclosed by the present invention can first clean the dust, debris and other impurities inside the gap, and after cleaning, the gap wetting unit can be used to moisten the inside of the gap. In summary, the present invention can effectively guarantee the subsequent repair effect and repair quality of the gap. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a side view of a joint repairing structure for concrete construction according to the present invention;

[0022] Figure 2 It is a partial schematic diagram of a joint filling structure for concrete construction according to the present invention;

[0023] Figure 3 It is a schematic diagram of a first transmission component on a joint repairing structure for concrete construction according to the present invention.

[0024] In the figure, 1. body, 2. compartment, 3. vertical partition, 4. horizontal plate, 5. fan, 6. shaft, 7. dust cover, 8. dust suction port, 9. partition, 10. pump body, 11. pump shaft, 12. piston, 13. connecting pipe, 14. atomizing nozzle, 15. mounting plate, 16. electronic push rod, 17. sliding block, 18. first shaft, 19. first support plate, 20. gap leveling wheel, 21. dual-axis motor, 22. Second support plate, 23. Second rotating shaft, 24. First bevel gear, 25. Second bevel gear, 26. Transmission shaft, 27. Rotating plate, 28. Connecting rod, 29. First intermediate shaft, 30. Third bevel gear, 31. Fourth bevel gear, 32. Second intermediate shaft, 33. Fifth bevel gear, 34. Sixth bevel gear, 35. Debris receiving chamber, 36. Water storage chamber, 37. Repair agent storage chamber, 38. Cleaning wheel. DETAILED DESCRIPTION

[0025] The present invention is described in detail below in conjunction with the accompanying drawings and specific implementation methods. The following embodiments are only used to more clearly illustrate the technical solution of the present invention, and cannot be used to limit the protection solution of the present invention.

[0026] Repairing cracks in concrete pavement is an important maintenance task that can extend the service life of the pavement and ensure driving safety.

[0027] The current concrete pavement repair structure mainly includes a crack cleaning unit, a crack filling unit and a pressure roller unit; the crack cleaning unit is used to clean impurities in the cracks during the pre-treatment of the cracks before crack repair, the crack filling unit is used to squeeze fillers into the cracks, and the pressure roller unit is used to compact the filling material in the pavement cracks after the crack filling mechanism has filled the material.

[0028] If the gap is too dry during the concrete repair process, bubbles and voids may form when the repair material is filled, which will seriously affect the repair effect of the gap. Therefore, in order to ensure the repair effect of the cracks, it is generally required to moisten the cracks before repairing them. However, the current concrete pavement repair structure does not have the moistening function. Therefore, in practice, workers are required to spray the cracks to moisten them themselves during repair. However, in many cases, workers often directly skip the step of moistening the cracks, which has a serious impact on the repair of the cracks.

[0029] The present invention discloses a joint filling structure for concrete construction, such as Figure 1-2As shown, it includes: a vehicle body 1, a cleaning unit and a gap wetting unit; wherein a vertical partition 3 is arranged inside the compartment 2 of the vehicle body 1, and the two vertical partitions 3 divide the interior of the compartment 2 into a debris storage chamber 35, a water storage chamber 36 and a repair agent storage chamber 37 in sequence, and a water tank is arranged in the water storage chamber 36; the cleaning unit includes a horizontal plate 4, a fan 5, a rotating shaft 6 and a dust suction port 8, the dust suction port 8 is arranged at the bottom of the debris storage chamber 35, the horizontal plate 4 is correspondingly arranged on the upper side of the dust suction port 8, the rotating shaft 6 is vertically arranged on the horizontal plate 4, and the fan 5 is installed on the rotating shaft 6; the gap wetting unit includes The partition 9, the piston pump 12, the connecting pipe 13 and the atomizing nozzle 14, the partition 9 is horizontally arranged at the bottom of the water storage chamber 36, the piston pump 12 is horizontally arranged at the bottom of the partition 9, the pump shaft 11 of the piston pump 12 is arranged along the axial direction of the pump body and one end passes through the pump body and extends into the debris receiving chamber 4, the inside of the pump body of the piston pump 12 is connected with the water tank in the water storage chamber 36 through the connecting pipe 13, the atomizing nozzle 14 is arranged at the bottom of the piston pump 12 and the two are kept connected, and a first transmission assembly is also arranged between the rotating shaft 6 and the pump shaft 11, and the pump shaft 11 is driven to slide horizontally when the rotating shaft 6 rotates.

[0030] The specific piston pump includes a pump body 10, a pump shaft 11 and a piston. The pump body 10 is horizontally arranged at the bottom of the partition 9. The piston is arranged inside the pump body 10 and can slide along the axial direction of the pump body 10. The piston divides the inside of the pump body 10 into a working chamber and a volume chamber. The pump shaft 11 is arranged along the axial direction of the working chamber and is slidably connected to the inner wall of the working chamber. One end of the pump shaft 11 passes through the working chamber and extends into the debris receiving chamber 4. The other end of the pump shaft 11 is connected to the piston 12. The volume chamber and the water storage chamber 5 are connected through a connecting pipe 13. The atomizing nozzle 14 is arranged at the bottom of the volume chamber.

[0031] Therefore, when the concrete construction repair structure of the present invention is used, the cleaning unit is first aligned with the position of the gap, and the rotation of the shaft 6 drives the fan to rotate, so that the debris storage chamber 4 generates negative pressure and causes dust, debris and other impurities in the gap to be adsorbed to the inside of the debris storage chamber 4. At the same time, in order to moisten the inside of the gap of the concrete structure so that the adhesion ability is better during the final repair, the rotation of the shaft 6 can drive the pump shaft 11 to slide back and forth in the horizontal direction through the first transmission component. When the pump shaft 11 slides toward the side close to the rotation shaft 6, When the volume of the volume chamber increases, the air pressure in the volume chamber decreases. Therefore, the liquid in the water storage chamber 36 can enter the atomizing nozzle 14 through the connecting pipe 13. Finally, the liquid is atomized by the atomizing nozzle 14 to moisten the inside of the gap. Therefore, the present invention can completely clean the dust, debris and other impurities on the inside of the gap, and after cleaning, the gap wetting unit can also complete the automatic wetting of the inside of the gap. In summary, the present invention can effectively ensure the subsequent repair effect and quality of the gap by cleaning and wetting the inside of the gap.

[0032] When the cleaning unit cleans the inside of the gap, in order to ensure the cleaning effect, the bottom of the dust suction port 8 disclosed in this embodiment is further provided with a dust collecting cover 7, and the dust collecting cover 7 fixes the bottom of the debris storage chamber 4. Therefore, impurities such as dust and debris inside the gap can completely pass through the dust collecting cover 7 and enter the debris storage chamber 4, so the present invention can improve the cleaning effect of the inside of the gap.

[0033] Furthermore, because there may be loose concrete and other impurities inside the concrete gap, in order to improve the repair effect of the gap, the inside of the gap needs to be leveled and cleaned before repair. Therefore, the front side of the carriage 2 disclosed in this embodiment is also provided with a horizontal mounting plate 15, and an electronic push rod 16 is provided on the mounting plate 15. The electronic push rod 16 is connected to the control system. The telescopic end of the electronic push rod 16 is vertically downward and is connected to a hollow sliding block 17. One side of the sliding block 17 is slidably connected to the rear side wall of the carriage 2, and the interior of the sliding block 17 is connected to the rear side wall of the carriage 2. The interior of the carriage 2 remains connected, and a vertical first support plate 19 is provided at the bottom of the sliding block 17, a horizontal first rotating shaft 18 is provided on the first support plate 19, a gap leveling wheel 20 is provided on the first rotating shaft 18, and a dual-axis motor 21 is also provided inside the sliding block 17. The dual-axis motor 21 is horizontal and perpendicular to the rear side wall of the carriage 2, one of the output shafts points to the interior of the carriage 2 and a second transmission assembly is provided between the rotating shaft 6, and the other output shaft is away from the carriage 2 and a third transmission assembly is provided between the first rotating shaft 18. In this way, the gap can be leveled by the gap leveling wheel 20 before it is formed. Specifically, when the control system controls the electronic push rod 16 to extend, the electronic push rod 16 can drive the gap leveling wheel 20 to penetrate into the inside of the gap. Then, when the dual-axis motor 21 works, the motor drives the first rotating shaft 18 to rotate through the third transmission component. Therefore, when the first rotating shaft 18 drives the gap leveling wheel 20 connected thereto to rotate, the leveling of the inside of the gap can be completed. In order to improve the leveling effect, leveling nails are evenly arranged on both side surfaces of the gap leveling wheel 20. When the gap leveling wheel 20 penetrates into the inside of the gap, the leveling nails on both side surfaces of the gap leveling wheel 20 can contact the side surfaces on both sides of the gap, and as the gap leveling wheel 20 rotates, the leveling nails can level and polish the side surfaces of the gap.

[0034] Further, such as Figure 3As shown, the second transmission assembly disclosed in this embodiment includes a first bevel gear 24 arranged on the output shaft of the dual-axis motor 21, and a second bevel gear 25 meshing with the first bevel gear 24 is arranged on the rotating shaft 6. Therefore, when the dual-axis motor 21 is working, it can sequentially drive the first bevel gear 24 and the second bevel gear 25 to rotate and finally drive the rotating shaft 6 to rotate. When the rotating shaft 6 rotates, it drives the fan connected thereto to rotate. When the rotating shaft 6 rotates, it drives the fan to rotate, so that the debris storage chamber 4 generates negative pressure and causes dust, debris and other impurities in the gap to be adsorbed to the inside of the debris storage chamber 4; at the same time, the first transmission assembly disclosed in this embodiment includes a transmission shaft 26 arranged between the rotating shaft 6 and the pump shaft 11. The transmission shaft 26 is parallel to the rotating shaft 6 and a first transmission belt is arranged between the two. A rotating disk 27 is also arranged on the upper end of the transmission shaft 26, and a connecting rod 28 is hinged on the rotating disk 27. , the connecting rod 28 is connected to the pump shaft 11; therefore, when the rotating shaft 6 rotates, the transmission shaft 26 is driven to rotate through the first transmission belt. When the transmission shaft 26 rotates, it drives the rotating disk 27 arranged thereon to rotate and finally drives the connecting rod 28 hinged thereto to move, and finally drives the pump shaft 11 to reciprocate through the connecting rod 28. Therefore, as the gap is cleaned, the present invention can synchronously moisten the cleaned gap. Therefore, in practice, it can play a coherent processing flow of first leveling, then cleaning, and then moisturizing. In this way, first, the cleaning effect of the cracks can be guaranteed, and second, the cracks after cleaning can be evenly sprayed with water, so the subsequent repairing effect can be effectively guaranteed.

[0035] The third transmission assembly disclosed in this embodiment includes a first intermediate shaft 29 horizontally arranged at the bottom of the sliding block 17 and perpendicular to the output shaft of the double-shaft motor 21, a third bevel gear 30 is arranged on the double-shaft motor 21, a fourth bevel gear 31 meshing with the third bevel gear 30 is arranged on the first intermediate shaft 29, and a second transmission belt is arranged between the first intermediate shaft 29 and the first rotating shaft 18. Therefore, when the double-shaft motor 21 is working, the third bevel gear 30, the fourth bevel gear 31 and the first intermediate shaft 29 are first driven to rotate, and when the first intermediate shaft 29 rotates, the first rotating shaft 18 is driven to rotate through the second transmission belt, so the gap leveling wheel 20 arranged on the first rotating shaft 18 rotates accordingly, thereby achieving the leveling and grinding of the gap.

[0036] Furthermore, a vertical second support plate 22 is provided at the bottom of the sliding block 17, and the second support plate 22 is located between the first support plate 19 and the rear side wall of the carriage 2. A horizontal second rotating shaft 23 is provided on the second support plate 22, and a cleaning wheel 35 is provided on the second rotating shaft 23. A fourth transmission assembly is provided between an output shaft pointing to the carriage 2 and the second rotating shaft 23. The fourth transmission assembly includes a second intermediate shaft 32 horizontally arranged at the bottom of the sliding block 17 and perpendicular to the output shaft of the dual-axis motor 21, a fifth bevel gear 33 is provided on the output shaft of the dual-axis motor 21, a sixth bevel gear 34 meshing with the fifth bevel gear 33 is provided on the second intermediate shaft 32, and a third transmission belt is provided between the second intermediate shaft 32 and the second rotating shaft 23. Therefore, when the dual-axis motor 21 is working, it drives the fifth bevel gear 33, the sixth bevel gear 34 and the second intermediate shaft 32 to rotate in sequence. When the second intermediate shaft 32 rotates, it can drive the second rotating shaft 23 to rotate through the third transmission belt. Therefore, the cleaning wheel 35 arranged on the second rotating shaft 23 rotates synchronously. A brush is arranged on the peripheral wall of the cleaning wheel 35. Therefore, when the cleaning wheel 35 rotates, it can drive the impurities that fall on the inner side of the gap after cleaning by the gap leveling wheel 20 to be rolled out, and while rolling out, the cleaning unit can also synchronously clean dust, concrete impurities, etc.

[0037] Furthermore, the bottom of the repair agent storage chamber 6 disclosed in this embodiment is also provided with a crack filling structure and a pressure roller for compacting the road surface after the crack filling structure is filled with material. Therefore, the concrete pavement crack repair structure disclosed in the present invention can first clean the inside of the crack and then wet it, and finally fill and compact the wetted crack, so the present invention can effectively ensure the repair effect and quality of the crack.

[0038] The embodiments described above are only preferred specific implementation methods of the present invention, and the protection scope of the present invention is not limited thereto. Any simple changes or equivalent replacements of the technical solutions that can be obviously obtained by any technician familiar with the field within the technical scope disclosed in the present invention belong to the protection scope of the present invention.

Claims

1. A joint repairing structure for concrete construction, characterized in that: include: A vehicle body (1), wherein a water tank is arranged in a compartment (2) of the vehicle body (1); A cleaning unit, comprising a transverse plate (4), a fan (5), a rotating shaft (6) and a dust suction port (8), wherein the dust suction port (8) is arranged at the bottom of the compartment (2), the transverse plate (4) is arranged correspondingly on the upper side of the dust suction port (8), the rotating shaft (6) is vertically arranged on the transverse plate (4), and the fan (5) is mounted on the rotating shaft (6); A gap wetting unit comprises a partition (9), a piston pump (12), a connecting pipe (13) and an atomizing nozzle (14); the partition (9) is horizontally arranged at the bottom of a carriage (2); the piston pump (12) is horizontally arranged at the bottom of the partition (9); a pump shaft (11) of the piston pump (12) is arranged along the axial direction of a pump body and one end thereof passes through the pump body and extends into a debris storage chamber (4); the piston pump (12) is connected to a water tank via a connecting pipe (13); the atomizing nozzle (14) is arranged at the bottom of the piston pump (12) and the two are kept in communication; a first transmission assembly is also arranged between the rotating shaft (6) and the pump shaft (11); when the rotating shaft (6) rotates, the pump shaft (11) is driven to slide horizontally.

2. A joint repairing structure for concrete construction according to claim 1, characterized in that: The first transmission assembly comprises a transmission shaft (26) arranged between the rotating shaft (6) and the pump shaft (11); the transmission shaft (26) is parallel to the rotating shaft (6) and a first transmission belt is arranged between the two; a rotating disk (27) is also arranged at the upper end of the transmission shaft (26); a connecting rod (28) is hinged on the rotating disk (27), and the connecting rod (28) is connected to the pump shaft (11).

3. A joint repairing structure for concrete construction according to claim 1, characterized in that: The interior of the carriage (2) is divided into a debris storage chamber (35), a water storage chamber (36) and a repair agent storage chamber (37) from front to back, the dust suction port (8) is arranged at the bottom of the debris storage chamber (35), and the water tank is arranged in the water storage chamber (36).

4. A joint repairing structure for concrete construction according to claim 3, characterized in that: A dust collecting hood (7) is also provided at the bottom of the dust suction port (8), and the dust collecting hood (7) is fixed to the bottom of the debris storage chamber (4).

5. A joint repairing structure for concrete construction according to claim 3, characterized in that: The front side of the carriage (2) is also provided with a gap smoothing unit, and the gap smoothing unit comprises a mounting plate (15), an electronic push rod (16), a hollow sliding block (17), a first support plate (19), a first rotating shaft (18) and a gap smoothing wheel (20). The mounting plate (15) is horizontally arranged on the front side of the carriage (2), the electronic push rod (16) is arranged on the mounting plate (15) and its telescopic end is vertically downward, a hollow sliding block (17) is arranged on the telescopic end of the electronic push rod (16), one side of the sliding block (17) is slidably connected to the rear side wall of the carriage (2) and maintains communication with the interior of the carriage (2), the first support plate (19) is arranged at the bottom of the sliding block (17), and the first support plate (19) is installed with the gap smoothing wheel (20) through the first rotating shaft (18).

6. A joint repairing structure for concrete construction according to claim 5, characterized in that: A dual-axis motor (21) is also arranged inside the sliding block (17), and the output shaft of the dual-axis motor (21) is perpendicular to the front side wall of the carriage (2), one of the output shafts points to the inside of the carriage (2) and a second transmission component is arranged between the output shaft and the rotating shaft (6), and the other output shaft is away from the carriage (2) and a third transmission component is arranged between the output shaft and the first rotating shaft (18).

7. A joint repairing structure for concrete construction according to claim 6, characterized in that: The third transmission assembly comprises a first intermediate shaft (29) horizontally arranged at the bottom of the sliding block (17) and perpendicular to the output shaft of the dual-shaft motor (21); a third bevel gear (30) is arranged on the output shaft of the dual-shaft motor (21); a fourth bevel gear (31) meshing with the third bevel gear (30) is arranged on the first intermediate shaft (29); and a second transmission belt is arranged between the first intermediate shaft (29) and the first rotating shaft (18).

8. A joint repairing structure for concrete construction according to claim 7, characterized in that: A vertical second support plate (22) is also provided at the bottom of the sliding block (17), the second support plate (22) is located between the first support plate (19) and the carriage (2), a horizontal second rotating shaft (23) is provided on the second support plate (22), a cleaning wheel (38) is provided on the second rotating shaft (23), and a fourth transmission assembly is provided between an output shaft of the dual-axis motor (21) pointing to the carriage (2) and the second rotating shaft (23).

9. A joint repairing structure for concrete construction according to claim 8, characterized in that: The fourth transmission assembly comprises a second intermediate shaft (32) horizontally arranged at the bottom of the sliding block (17) and perpendicular to the output shaft of the dual-shaft motor (21); a fifth bevel gear (33) is arranged on the output shaft of the dual-shaft motor (21); a sixth bevel gear (34) meshing with the fifth bevel gear (33) is arranged on the second intermediate shaft (32); and a third transmission belt is arranged between the second intermediate shaft (32) and the second rotating shaft (23).

10. A joint repairing structure for concrete construction according to claim 3, characterized in that: The bottom of the repair agent storage chamber (37) is also provided with a crack filling structure and a pressing roller for compacting the road surface after the crack filling is completed.

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