Multifunctional highway pavement crack repairing device

Abstract

The multifunctional highway pavement crack repairing device comprises a vehicle body, a vehicle head is arranged at the front end of the vehicle body, a crack detecting device is arranged at the front end of the vehicle head, and a ground cutting device, a crushing device, a cleaning device, a repairing executing device and a compacting and leveling device are sequentially arranged in the vehicle body; the crack detection device comprises a high-definition camera used for shooting images in front of the road surface and a laser scanner used for obtaining crack size information. The ground cutting device comprises a transverse cutting device and a longitudinal cutting device; a vibrating crushing head for crushing the cut ground is arranged in the crushing device; a helical fluted disc and a negative pressure machine are arranged in the cleaning device; the repairing execution device comprises a material bin, a material stirring bin and a discharging head. The ground crack repairing device is scientific and reasonable in structural design, diversified in function, capable of meeting different requirements of ground crack repairing use, cutting, crushing, cleaning, repairing and flattening assembly line work, good in repairing effect, high in efficiency and capable of greatly saving the labor cost and can be used and popularized.

Description

Technical Field

[0001] The present invention relates to a highway maintenance device, and particularly to a multifunctional highway pavement crack repair device. Background Art

[0002] During the long-term use of highway pavements, cracks will appear due to various factors, such as temperature changes, vehicle loads, etc. If the cracks are not repaired in time, rainwater will seep in, accelerating the damage of the pavement, affecting driving safety and the service life of the road. When repairing existing pavement cracks, various repair devices rely highly on manual labor, resulting in low repair efficiency, unstable repair quality, complex operations, etc. Therefore, it is of great significance to develop a multifunctional highway pavement crack repair device that is efficient, convenient, and of high quality. Summary of the Invention

[0003] The technical problem to be solved by the present invention is to provide a multifunctional highway pavement crack repair device in view of the deficiencies of the above-mentioned prior art. The device has a scientific and reasonable structural design, diverse functions, can meet the use of ground crack repair with different requirements, and can perform cutting, crushing, cleaning, repair, and flattening in a production line operation. The repair effect is good, the efficiency is high, the labor cost is greatly saved, and it can be popularized and used.

[0004] To solve the above technical problem, the technical solution adopted by the present invention is: a multifunctional highway pavement crack repair device, characterized in that it includes a vehicle body, a vehicle head is provided at the front end of the vehicle body, a crack detection device is provided at the front end of the vehicle head, and a ground cutting device, a crushing device, a cleaning device, a repair execution device, and a compaction and leveling device are sequentially arranged in the vehicle body; The crack detection device includes a high-definition camera for taking images of the road ahead and a laser scanner for obtaining crack size information; The ground cutting device includes a transverse cutting device and a longitudinal cutting device, and the ground cutting device is used to cut off the ground around the crack; A vibrating crushing head for crushing the cut ground is arranged in the crushing device; A helical gear disk and a negative pressure machine are arranged in the cleaning device; The repair execution device includes a material bin, a mixing bin, and a discharge head. The material bin is divided into multiple independent chambers, each independent chamber is communicated with the mixing bin, a stirring mechanism is arranged in the mixing bin, and the bottom of the mixing bin is connected with a plurality of discharge heads; The compaction and leveling device is arranged at the rear of the vehicle body, and the compaction and leveling device is a flat vibrating rammer.

[0005] Preferably, the cutting direction of the transverse cutting device is perpendicular to the traveling direction of the vehicle body. The transverse cutting device includes a lifting beam, a moving seat, a transverse cutting saw blade, and a first motor. The lifting beam is installed in the vehicle body through a lifting device. A first rack guide is provided on the lifting beam. The moving seat is connected to the first rack guide through a first gear. An installation platform is provided on the moving seat. A second motor for driving the first gear to rotate is installed on one side of the installation platform. A first motor for driving the transverse cutting saw blade to rotate is installed on the other side of the installation platform. The transverse cutting saw blade is connected to the installation platform through a connecting guard plate.

[0006] Preferably, the cutting direction of the longitudinal cutting device is parallel to the traveling direction of the vehicle body. The longitudinal cutting device includes an upper support beam, a moving sliding sleeve, a support electric cylinder, a lower connecting seat, a telescopic member, a fixed longitudinal cutting saw blade, and a moving longitudinal cutting saw blade. The upper support beam is fixedly installed in the vehicle body. The moving sliding sleeve is slidably sleeved on the upper support beam. A third motor for driving the moving sliding sleeve to move along the upper support beam is provided on the moving sliding sleeve. The bottom of the moving sliding sleeve is connected to the lower connecting seat through a plurality of support electric cylinders. A fixed longitudinal cutting saw blade is installed on one side of the lower connecting seat, and a moving longitudinal cutting saw blade is slidably connected to the other side of the lower connecting seat.

[0007] Preferably, a second rack guide is provided on one side of the upper support beam. The top of the moving sliding sleeve is fixedly connected to an extension plate. A second gear is rotatably installed on the extension plate. A third motor for driving the second gear to rotate coaxially is installed on the extension plate. The second gear meshes with the second rack guide. A fixed longitudinal cutting saw blade is rotatably connected to one side of the lower connecting seat. A fourth motor for driving the fixed longitudinal cutting saw blade to rotate coaxially is provided on the lower connecting seat. The other side of the lower connecting seat is slidably connected to a telescopic member. The telescopic member is in a right-angled U shape. One side of the telescopic member is slidably inserted into the lower connecting seat, and a third rack guide is provided on the other side of the telescopic member. A back plate is fixedly connected to the lower connecting seat. A third gear is rotatably installed on the back plate. The third gear is coaxially fixedly connected to a fifth motor. The third gear meshes with the third rack guide. A sixth motor is fixedly installed on the telescopic member through a motor bracket. The output shaft of the sixth motor is coaxially fixedly connected to the moving longitudinal cutting saw blade. The fixed longitudinal cutting saw blade and the moving longitudinal cutting saw blade are arranged opposite to each other.

[0008] Preferably, the crushing device includes a top seat, a buffer sleeve rod, a vibration block, and a crushing head. The top seat is fixedly installed in the vehicle body. The tops of two buffer sleeve rods are hinged to the top seat. The bottom of the buffer sleeve rod is connected to a side support plate. A vibration block is connected between two side support plates. An eccentric wheel is rotatably installed on the vibration block. A seventh motor for driving the eccentric wheel to rotate is installed in the vibration block. A conical crushing head is fixedly connected to the bottom of the vibration block.

[0009] Preferably, the cleaning device includes a helical gear disk, a transfer seat, and a negative pressure machine. The transfer seat is fixedly installed inside the vehicle body, and the negative pressure machine is fixedly installed at the top inside the vehicle body. The lower part of the transfer seat is rotatably installed with the helical gear disk. An eighth motor is arranged inside the transfer seat, and the eighth motor is belt-driven to connect with the helical gear disk. A baffle is arranged beside the helical gear disk at the bottom of the transfer seat. The suction port of the negative pressure machine is connected to a suction pipeline, and the suction pipeline passes through the transfer seat and communicates with the position between the baffle and the helical gear disk. An air compressor is arranged inside the transfer seat, and the air outlet of the air compressor is connected with a blowing nozzle. The blowing nozzle is fixed on the transfer seat and the blowing nozzle faces the position where the helical gear disk contacts the ground.

[0010] Preferably, the repair execution device includes a material bin, a mixing bin, and a discharge head. The material bin is separated into multiple independent chambers by vertical partition plates. The independent chambers are respectively communicated with the top of the mixing bin through blanking pipes, and electromagnetic valves are arranged on the blanking pipes. Multiple groups of stirring mechanisms are arranged inside the mixing bin. The stirring mechanism includes a stirring motor, a stirring rotating shaft, a stirring fixed rod, and a terminal stirring rod. The stirring fixed rod and the stirring rotating shaft are equidistantly and multi-layeredly connected with the terminal stirring rod. Each layer of the terminal stirring rod includes multiple terminal stirring rods arranged in an annular array. The inclination directions of the terminal stirring rods on the stirring rotating shaft and the stirring fixed rod are opposite. A guiding mesh plate is arranged at the lower part inside the mixing bin, and multiple discharge ports are opened on the bottom plate of the mixing bin. The discharge ports are all connected with a discharge head.

[0011] Preferably, a suspension height adjustment mechanism is arranged at the bottom of the vehicle body to flexibly control the vehicle body height and adjust the ground clearance for convenient operation.

[0012] Preferably, a storage tank for storing raw materials is arranged inside the vehicle body. Multiple independent spaces are arranged inside the storage tank for storing different raw materials, and an electric heater is arranged on the inner wall of the mixing bin.

[0013] Preferably, multiple cameras for observing the operation of the working surface are arranged at the bottom of the vehicle body, which is convenient for intervention and control, and improves the repair efficiency and accuracy.

[0014] The present invention has the following advantages compared with the prior art: 1. The structure of the present invention is scientifically and reasonably designed, with diverse functions, which can meet the use of ground crack repair with different requirements. It can perform cutting, crushing, cleaning, repair, and flattening in a production line operation. The repair effect is good and the efficiency is high, greatly saving labor costs, and can be popularized and used.

[0015] 2. The present invention completes the cutting of the periphery of the cracked ground through the cutting cooperation in the longitudinal and transverse directions. The cutting is fast and the control is accurate, which is convenient for operation and can be popularized and used.

[0016] The following further describes the present invention in detail with reference to the drawings and embodiments. Description of the Drawings

[0017] Figure 1 is a schematic diagram of the overall structure of the present invention.

[0018] Figure 2 is a schematic diagram of the structure of the longitudinal cutting device in the present invention.

[0019] Figure 3 is a schematic diagram of the structure of the transverse cutting device in the present invention.

[0020] Figure 4 is a schematic diagram of the structure of the crushing device in the present invention.

[0021] Figure 5 is a schematic diagram of the structure of the cleaning device in the present invention.

[0022] Figure 6 is a schematic diagram of the structure of the repair execution device in the present invention.

[0023] Explanation of reference numerals: Detailed implementation manners

[0024] As Figures 1 to 6 shown, the present invention includes a vehicle body 1, a vehicle head 2 is arranged at the front end of the vehicle body 1, a crack detection device 3 is arranged at the front end of the vehicle head 2, and a ground cutting device 4, a crushing device 5, a cleaning device 6, a repair execution device 7 and a compaction and leveling device 8 are sequentially arranged in the vehicle body 1; The crack detection device 3 includes a high-definition camera for taking images of the road ahead and a laser scanner for obtaining crack size information; The ground cutting device 4 includes a transverse cutting device and a longitudinal cutting device, and the ground cutting device 4 is used for cutting off the ground around the crack; A vibrating crushing head for crushing the cut ground is arranged in the crushing device 5; An inclined tooth disc 6-5 and a negative pressure machine 6-2 are arranged in the cleaning device 6; The repair execution device 7 includes a material bin 7-1, a mixing bin 7-5 and a discharge head 7-9. The material bin 7-2 is divided into a plurality of independent chambers, and each independent chamber is communicated with the mixing bin 7-5. A stirring mechanism is arranged in the mixing bin 7-5, and the bottom of the mixing bin 7-5 is connected with a plurality of discharge heads 7-9; The compaction and leveling device 8 is arranged at the tail of the vehicle body 1, and the compaction and leveling device 8 is a flat vibrating rammer.

[0025] In this embodiment, the cutting direction of the transverse cutting device is perpendicular to the traveling direction of the vehicle body 1. The transverse cutting device includes a lifting beam 4-15, a moving seat 4-19, a transverse cutting saw blade 4-20, and a first motor 4-17. The lifting beam 4-15 is installed in the vehicle body 1 through a lifting device. A first rack guide is provided on the lifting beam 4-15. The moving seat 4-19 is meshed and connected to the first rack guide through a first gear. An installation table 4-18 is provided on the moving seat 4-19. A second motor 4-16 for driving the first gear to rotate is installed on one side of the installation table 4-18. A first motor 4-17 for driving the transverse cutting saw blade 4-20 to rotate is installed on the other side of the installation table 4-18. The transverse cutting saw blade 4-20 is connected to the installation table 4-18 through a connecting guard plate 4-21.

[0026] In this embodiment, the cutting direction of the longitudinal cutting device is parallel to the traveling direction of the vehicle body 1. The longitudinal cutting device includes an upper support beam 4-1, a moving sliding sleeve 4-2, a support electric cylinder 4-6, a lower connecting seat 4-7, a telescopic member 4-9, a fixed longitudinal cutting saw blade 4-13, and a moving longitudinal cutting saw blade 4-11. The upper support beam 4-1 is fixedly installed in the vehicle body 1. The moving sliding sleeve 4-2 is slidably sleeved on the upper support beam 4-1. A third motor 4-5 for driving the moving sliding sleeve 4-2 to move along the upper support beam 4-1 is provided on the moving sliding sleeve 4-2. The bottom of the moving sliding sleeve 4-2 is connected to the lower connecting seat 4-7 through a plurality of support electric cylinders 4-6. A fixed longitudinal cutting saw blade 4-13 is installed on one side of the lower connecting seat 4-7, and the moving longitudinal cutting saw blade 4-11 is slidably connected to the other side of the lower connecting seat 4-7.

[0027] In this embodiment, a second rack guide is provided on one side of the upper support beam 4-1. An extension plate 4-3 is fixedly connected to the top of the moving sliding sleeve 4-2. A second gear 4-4 is rotatably installed on the extension plate 4-3. A third motor 4-5 for driving the second gear 4-4 to rotate coaxially is installed on the extension plate 4-3. The second gear 4-4 meshes with the second rack guide. One side of the lower connecting seat 4-7 is rotatably connected to a fixed longitudinal cutting saw blade 4-13. A fourth motor 4-14 for driving the fixed longitudinal cutting saw blade 4-13 to rotate coaxially is provided on the lower connecting seat 4-7. The other side of the lower connecting seat 4-7 is slidably connected to a telescopic member 4-9. The telescopic member 4-9 is in a right-angled U shape. One side of the telescopic member 4-9 is slidably inserted into the lower connecting seat 4-7. A third rack guide is provided on the other side of the telescopic member 4-9. A back plate 4-8 is fixedly connected to the lower connecting seat 4-7. A third gear 4-10 is rotatably installed on the back plate 4-8. The third gear 4-10 is coaxially and fixedly connected to a fifth motor 4-22. The third gear 4-10 meshes with the third rack guide. A sixth motor 4-12 is fixedly installed on the telescopic member 4-9 through a motor bracket. The output shaft of the sixth motor 4-12 is coaxially and fixedly connected to a moving longitudinal cutting saw blade 4-11. The fixed longitudinal cutting saw blade 4-13 and the moving longitudinal cutting saw blade 4-11 are arranged opposite to each other.

[0028] In this embodiment, the crushing device 5 includes a top seat 5-1, buffer sleeve rods 5-2, a vibration block 5-3 and a crushing head 5-5. The top seat 5-1 is fixedly installed in the vehicle body 1. The tops of the two buffer sleeve rods 5-2 are hinged to the top seat 5-1. The bottom of the buffer sleeve rod 5-2 is connected to a side support plate 5-4. A vibration block 5-3 is connected between the two side support plates 5-4. An eccentric wheel 5-6 is rotatably installed on the vibration block 5-3. A seventh motor for driving the eccentric wheel 5-6 to rotate is installed in the vibration block 5-3. A conical crushing head 5-5 is fixedly connected to the bottom of the vibration block 5-3.

[0029] In this embodiment, the cleaning device 6 includes a helical gear disk 6-5, a transfer seat 6-1 and a negative pressure machine 6-2. The transfer seat 6-1 is fixedly installed in the vehicle body 1. The negative pressure machine 6-2 is fixedly installed at the top inside the vehicle body 1. A helical gear disk 6-5 is rotatably installed at the lower part of the transfer seat 6-1. An eighth motor 6-7 is arranged in the transfer seat 6-1. The eighth motor 6-7 drives the helical gear disk 6-5 through belt transmission. A baffle 6-4 is arranged beside the helical gear disk 6-5 at the bottom of the transfer seat 6-1. The suction port of the negative pressure machine 6-2 is connected to a suction pipe 6-3. The suction pipe 6-3 passes through the transfer seat 6-1 and communicates with the position between the baffle 6-4 and the helical gear disk 6-5. An air compressor 6 is arranged in the transfer seat 6-1. The air outlet of the air compressor 6 is connected to a blowing nozzle 6-6. The blowing nozzle 6-6 is fixed on the transfer seat 6-1 and the blowing nozzle 6-6 faces the position where the helical gear disk 6-5 contacts the ground.

[0030] In this embodiment, the repair execution device 7 includes a material bin 7-1, a mixing bin 7-5 and a discharge head 7-9. The material bin 7-1 is separated into a plurality of independent chambers by a vertical partition plate 7-2. The independent chambers are respectively communicated with the top of the mixing bin 7-5 through a feeding pipe 7-3. Solenoid valves are arranged on each feeding pipe 7-3. A plurality of groups of stirring mechanisms are arranged in the mixing bin 7-5. The stirring mechanism includes a stirring motor 7-4, a stirring rotating shaft 7-6, a stirring fixed rod 7-7 and a terminal stirring rod 7-8. The terminal stirring rods 7-8 are connected to the stirring fixed rod 7-7 and the stirring rotating shaft 7-6 at equal intervals in multiple layers. Each layer of the terminal stirring rods 7-8 includes a plurality of terminal stirring rods 7-8 arranged in a circular array. The inclination directions of the terminal stirring rods 7-8 on the stirring rotating shaft 7-6 and the stirring fixed rod 7-7 are opposite. A guiding mesh plate 7-10 is arranged at the lower part in the mixing bin 7-5. A plurality of discharge ports are formed in the bottom plate of the mixing bin 7-5, and each discharge port is connected with a discharge head 7-9.

[0031] In this embodiment, a suspension height adjustment mechanism is arranged at the bottom of the vehicle body 1 to flexibly control the vehicle body height and adjust the ground clearance for convenient operation.

[0032] In this embodiment, a storage tank for storing raw materials is arranged in the vehicle body 1. A plurality of independent spaces are arranged in the storage tank for storing different raw materials. An electric heater is arranged on the inner wall of the mixing bin 7-5.

[0033] In this embodiment, a plurality of cameras for observing the operation of the working surface are arranged at the bottom of the vehicle body 1, which is convenient for intervention and control, and improves the repair efficiency and accuracy.

[0034] During use, the vehicle body 1 travels along the road. The crack detection device 3 detects the position and size of the road surface cracks. When it is detected that the road surface at the crack needs to be cut and broken, the transverse cutting device cuts at both ends of the crack position in sequence, and then the longitudinal cutting device connects the transverse cutting seams to cut the rectangular road surface around the crack. When the transverse cutting device cuts, the first motor 4-17 and the second motor 4-16 work to make the transverse cutting saw blade 4-20 rotate at a high speed and travel along a straight line to complete the transverse cutting. When the longitudinal cutting device cuts, first, the third gear 4-10 rotates to make the telescopic member 4-9 move linearly to adjust the distance between the fixed longitudinal cutting saw blade 4-13 and the movable longitudinal cutting saw blade 4-11, and then the second gear 4-4 rotates to make the saw blade rotate and move synchronously.

[0035] After cutting, crushing is carried out. The eccentric wheel 5-6 rotates to drive the crushing head 5-5 to reciprocate up and down to complete the crushing of the cut surface.

[0036] After being broken, the helical gear disk 6-5 rotates to further crush the broken road surface fragments, which are then adsorbed and collected by the negative pressure machine 6-2. The cutting area after cleaning is blown with air through the air nozzle 6-6 for further dust removal and cleaning.

[0037] The cutting area after cleaning is filled with asphalt discharged by the repair execution device 7 to complete the road surface filling. Finally, the repair of the cracked road surface is completed by the vibration compaction of the compaction and leveling device 8.

[0038] In addition, when the road surface does not need to be cut, the crack can be directly repaired by discharging asphalt through the repair execution device 7.

[0039] The above are only the preferred embodiments of the present invention and do not impose any limitations on the present invention. Any simple modifications, changes, and equivalent variations made to the above embodiments according to the technical essence of the invention still fall within the protection scope of the technical solution of the present invention.

Claims

1. A multifunctional road surface crack repair device, characterized in that, It includes a vehicle body (1), with a vehicle head (2) provided at the front end of the vehicle body (1), and a crack detection device (3) provided at the front end of the vehicle head (2). Inside the vehicle body (1), a ground cutting device (4), a crushing device (5), a cleaning device (6), a repair execution device (7), and a compaction and leveling device (8) are sequentially arranged; The crack detection device (3) includes a high-definition camera for taking images of the road ahead and a laser scanner for obtaining crack size information; The ground cutting device (4) includes a transverse cutting device and a longitudinal cutting device, and the ground cutting device (4) is used to cut off the ground around the crack; Inside the crushing device (5), a vibrating crushing head for crushing the cut ground is provided; Inside the cleaning device (6), a helical gear disk (6-5) and a negative pressure machine (6-2) are provided; The repair execution device (7) includes a material bin (7-1), a mixing bin (7-5), and a discharge head (7-9). The material bin (7-2) is divided into multiple independent chambers, and each independent chamber is connected to the mixing bin (7-5). A stirring mechanism is provided inside the mixing bin (7-5), and the bottom of the mixing bin (7-5) is connected to multiple discharge heads (7-9); The compaction and leveling device (8) is provided at the tail of the vehicle body (1), and the compaction and leveling device (8) is a flat vibrating rammer.

2. The multifunctional highway pavement crack repair device according to claim 1, characterized in that, The cutting direction of the transverse cutting device is perpendicular to the traveling direction of the vehicle body (1). The transverse cutting device includes a lifting beam (4-15), a moving seat (4-19), a transverse cutting saw blade (4-20), and a first motor (4-17). The lifting beam (4-15) is installed inside the vehicle body (1) through a lifting device. A first rack guide is provided on the lifting beam (4-15). The moving seat (4-19) is meshed and connected to the first rack guide through a first gear. An installation platform (4-18) is provided on the moving seat (4-19). On one side of the installation platform (4-18), a second motor (4-16) for driving the first gear to rotate is installed. On the other side of the installation platform (4-18), a first motor (4-17) for driving the transverse cutting saw blade (4-20) to rotate is installed. The transverse cutting saw blade (4-20) is connected to the installation platform (4-18) through a connecting guard plate (4-21).

3. A multifunctional highway pavement crack repair device according to claim 1, characterized in that, The cutting direction of the longitudinal cutting device is parallel to the traveling direction of the vehicle body (1). The longitudinal cutting device includes an upper support beam (4-1), a moving sliding sleeve (4-2), a support electric cylinder (4-6), a lower connecting seat (4-7), a telescopic member (4-9), a fixed longitudinal cutting saw blade (4-13), and a moving longitudinal cutting saw blade (4-11). The upper support beam (4-1) is fixedly installed inside the vehicle body (1). The moving sliding sleeve (4-2) is slidably sleeved on the upper support beam (4-1). A third motor (4-5) for driving the moving sliding sleeve (4-2) to move along the upper support beam (4-1) is provided on the moving sliding sleeve (4-2). The bottom of the moving sliding sleeve (4-2) is connected to the lower connecting seat (4-7) through a plurality of support electric cylinders (4-6). A fixed longitudinal cutting saw blade (4-13) is installed on one side of the lower connecting seat (4-7), and the moving longitudinal cutting saw blade (4-11) is slidably connected to the other side of the lower connecting seat (4-7).

4. A multifunctional highway pavement crack repair device according to claim 3, characterized in that, A second rack guide is provided on one side of the upper support beam (4-1). An extension plate (4-3) is fixedly connected to the top of the moving sliding sleeve (4-2). A second gear (4-4) is rotatably installed on the extension plate (4-3). A third motor (4-5) for driving the second gear (4-4) to rotate coaxially is installed on the extension plate (4-3). The second gear (4-4) meshes with the second rack guide. A fixed longitudinal cutting saw blade (4-13) is rotatably connected to one side of the lower connecting seat (4-7). A fourth motor (4-14) for driving the fixed longitudinal cutting saw blade (4-13) to rotate coaxially is provided on the lower connecting seat (4-7). The telescopic member (4-9) is slidably connected to the other side of the lower connecting seat (4-7). The telescopic member (4-9) is in a right-angled U shape. One side of the telescopic member (4-9) is slidably inserted into the lower connecting seat (4-7), and a third rack guide is provided on the other side of the telescopic member (4-9). A back plate (4-8) is fixedly connected to the lower connecting seat (4-7). A third gear (4-10) is rotatably installed on the back plate (4-8). The third gear (4-10) is coaxially and fixedly connected to a fifth motor (4-22). The third gear (4-10) meshes with the third rack guide. A sixth motor (4-12) is fixedly installed on the telescopic member (4-9) through a motor bracket. The output shaft of the sixth motor (4-12) is coaxially and fixedly connected to the moving longitudinal cutting saw blade (4-11). The fixed longitudinal cutting saw blade (4-13) and the moving longitudinal cutting saw blade (4-11) are arranged opposite to each other.

5. A multifunctional highway pavement crack repair device according to claim 1, characterized in that, The crushing device (5) includes a top seat (5-1), a buffer sleeve rod (5-2), a vibration block (5-3), and a crushing head (5-5). The top seat (5-1) is fixedly installed in the vehicle body (1). The tops of the two buffer sleeve rods (5-2) are hinged to the top seat (5-1). The bottom of the buffer sleeve rod (5-2) is connected to a side support plate (5-4). A vibration block (5-3) is connected between the two side support plates (5-4). An eccentric wheel (5-6) is rotatably installed on the vibration block (5-3). A seventh motor for driving the eccentric wheel (5-6) to rotate is installed in the vibration block (5-3). The bottom of the vibration block (5-3) is fixedly connected to a conical crushing head (5-5).

6. A multifunctional highway pavement crack repair device according to claim 1, characterized in that, The cleaning device (6) includes a helical gear disk (6-5), a transfer seat (6-1), and a negative pressure machine (6-2). The transfer seat (6-1) is fixedly installed in the vehicle body (1). The negative pressure machine (6-2) is fixedly installed on the inner top of the vehicle body (1). The lower part of the transfer seat (6-1) rotatably installs a helical gear disk (6-5). An eighth motor (6-7) is arranged in the transfer seat (6-1). The eighth motor (6-7) drives and connects the helical gear disk (6-5) by belt. A baffle (6-4) is arranged beside the bottom of the transfer seat (6-1) and beside the helical gear disk (6-5). The suction port of the negative pressure machine (6-2) is connected to a suction pipe (6-3). The suction pipe (6-3) passes through the transfer seat (6-1) and communicates with the position between the baffle (6-4) and the helical gear disk (6-5). An air compressor (6) is arranged in the transfer seat (6-1). The air outlet of the air compressor (6) is connected with a blowing nozzle (6-6). The blowing nozzle (6-6) is fixed on the transfer seat (6-1) and the blowing nozzle (6-6) faces the position where the helical gear disk (6-5) contacts the ground.

7. A multifunctional highway pavement crack repair device according to claim 1, characterized in that, The repair execution device (7) includes a material bin (7-1), a mixing bin (7-5), and a discharge head (7-9). The material bin (7-1) is separated into multiple independent chambers by a vertical partition board (7-2). The independent chambers are respectively communicated with the top of the mixing bin (7-5) through a feeding pipe (7-3). Solenoid valves are arranged on the feeding pipes (7-3). Multiple groups of stirring mechanisms are arranged in the mixing bin (7-5). The stirring mechanism includes a stirring motor (7-4), a stirring rotating shaft (7-6), a stirring fixed rod (7-7), and an end stirring rod (7-8). The stirring fixed rod (7-7) and the stirring rotating shaft (7-6) are connected with the end stirring rod (7-8) at equal intervals in multiple layers. Each layer of the end stirring rod (7-8) includes multiple end stirring rods (7-8) arranged in an annular array. The inclination directions of the end stirring rods (7-8) on the stirring rotating shaft (7-6) and the stirring fixed rod (7-7) are opposite. A guiding mesh plate (7-10) is arranged at the lower part in the mixing bin (7-5). Multiple discharge ports are opened on the bottom plate of the mixing bin (7-5). The discharge ports are all connected with a discharge head (7-9).

8. A multifunctional road surface crack repair device according to claim 1, characterized in that, A suspension height adjustment mechanism is arranged at the bottom of the vehicle body (1).

Images