Asphalt road crack detection device

Abstract

The utility model discloses an asphalt road crack detection device, which relates to the technical field of road detection equipment and comprises a driving vehicle, a control display screen arranged on the driving vehicle and a detection structure arranged at the head of the driving vehicle. A marking mechanism is arranged at the tail part of the driving vehicle; the marking mechanism comprises a fixing frame, a sliding base, a lifting base, a connecting base, a marking wheel, a first lifting device, a lead screw and a first motor. The fixing frame is of a frame structure and arranged at the tail of the driving vehicle, the lifting seat is located below the sliding seat, the connecting seats are vertically arranged at the bottom of the lifting seat, and the marking wheel is arranged between the connecting seats. The road crack detection device can realize a detection function, and has an automatic crack marking function, so that a worker can easily find the specific position of the crack on a road, the road crack can be conveniently repaired, and the practical performance of the device is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of road detection equipment, in particular to an asphalt road crack detection device. Background Art

[0002] Asphalt roads are prone to cracks during long-term use. The appearance of cracks will cause great inconvenience to vehicles passing on the road, so they need to be inspected and repaired;

[0003] The Chinese utility model with patent number ZL201821509491.2 discloses a municipal road crack detection device. When in use, the detection device shoots the road with a high-definition camera, and then transmits the captured image to the video processing mainboard. After processing by the video processing mainboard, the captured road crack image is transmitted to the crack capture display screen. The detection personnel can observe the road cracks on the crack capture display screen. The operation is simple and easy to use, and the road cracks can be detected quickly and efficiently.

[0004] However, in actual use, the road crack detection device can only capture and record various cracks on the road surface through the high-definition camera. It is difficult for staff to re-find the specific locations of the recorded cracks on the road based on the captured video records and repair the road cracks, resulting in the above-mentioned existing patent solution being not practical and not comprehensive in functionality. Summary of the invention

[0005] The purpose of the utility model is to provide an asphalt road crack detection device, which can realize the detection function and at the same time has the function of automatically marking cracks, making it easy for workers to find the specific location of cracks on the road, facilitating the repair of road cracks and improving the practical performance of the device.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an asphalt road crack detection device, comprising a driving vehicle, a control display screen arranged on the driving vehicle, and a detection structure arranged at the front of the driving vehicle; a marking mechanism is arranged at the rear of the driving vehicle;

[0007] The marking mechanism includes a fixed frame, a slide, a lifting seat, a connecting seat, a marking wheel, a first lifting device, a screw rod, and a first motor; the fixed frame is a frame structure, the fixed frame is arranged at the rear of the driving vehicle, the lifting seat is located below the slide, a group of connecting seats are vertically arranged at the bottom of the lifting seat, and the marking wheel is arranged between a group of connecting seats; the first lifting device is arranged at the top of the slide, and the output end of the first lifting device passes through the slide and is arranged on the lifting seat; the first motor is arranged on the fixed frame, one end of the screw rod is arranged at the output end of the first motor, and the other end of the screw rod extends into the fixed frame and is threaded through the slide and is arranged on the fixed frame.

[0008] In order to be able to take pictures of the markings of the marking wheel, as a preferred asphalt road crack detection device of the utility model, the left and right sides of the marking wheel are respectively provided with a first distance sensor and a first camera fixedly connected to the bottom of the lifting seat.

[0009] In order to automatically add marking paint, as a preferred asphalt road crack detection device of the utility model, an installation cavity is opened through the top of the lifting seat, a marking paint bottle is arranged in the installation cavity, a cover body is arranged on the top of the marking paint bottle, a piston is arranged in the marking paint bottle, an electric telescopic rod fixedly connected to the piston is arranged on the cover body, and a liquid outlet is arranged at the bottom of the marking paint bottle, and the liquid outlet is located above the marking wheel.

[0010] In order to adjust the second camera, as a preferred asphalt road crack detection device of the utility model, the detection structure includes a mounting seat, a lifting frame, a second motor, a rotating shaft, a rotating seat, a second camera, and a second lifting device; the mounting seat is arranged on the head of the driving vehicle, the lifting frame is a U-shaped structure with an opening facing downward, the second motor is arranged on the lifting frame, the rotating shaft is arranged inside the lifting frame, and one end of the rotating shaft passes through the lifting frame and is arranged at the output end of the second motor, the rotating seat is arranged on the outer wall of the rotating shaft, and the second camera is arranged on the side of the rotating seat away from the rotating shaft; the second lifting device is arranged on the top of the mounting seat, and the output end of the second lifting device is arranged on the lifting frame.

[0011] In order to detect the distance between the second camera and the ground, as a preferred asphalt road crack detection device of the utility model, a second distance sensor is provided at the bottom of the lifting frame.

[0012] In order to provide illumination, as a preferred asphalt road crack detection device of the utility model, an illumination lamp is provided on the outer wall of the rotating seat.

[0013] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0014] 1. The utility model starts the second motor, and the rotating shaft drives the rotating seat to rotate, which makes it easy to adjust the angle of the second camera. The second lifting device is started to easily adjust the height of the second camera, thereby improving the detection effect and being able to accurately detect whether there are cracks in the asphalt pavement of the tested section.

[0015] 2. When the detection structure of the utility model detects that a crack needs to be marked, the first motor is started by controlling the display screen, the screw rod is rotated, and the slide seat drives the marking wheel to move. When it moves to the marked position, the first lifting device is started, and the lifting seat drives the marking wheel to move downward until it contacts the ground, and then the driving vehicle continues to move. When the marking wheel rolls, the road with cracks is automatically marked; it is easy for the staff to find the specific position of the crack on the road, which is convenient for repairing the road cracks, and the practical performance of the device is improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the structure of the utility model;

[0017] Figure 2 It is a structural schematic diagram of the marking mechanism of the utility model;

[0018] Figure 3 It is a structural schematic diagram of the detection structure of the utility model.

[0019] In the figure: 1. driving vehicle; 2. control display screen; 3. detection structure; 4. marking mechanism; 5. fixing frame; 6. sliding seat; 7. lifting seat; 8. connecting seat; 9. marking wheel; 10. first lifting device; 11. screw rod; 12. first motor; 13. first distance sensor; 14. first camera; 15. mounting cavity; 16. marking paint bottle; 17. cover body; 18. piston; 19. electric telescopic rod; 20. liquid outlet; 21. mounting seat; 22. lifting frame; 23. second motor; 24. rotating shaft; 25. rotating seat; 26. second camera; 27. second lifting device; 28. second distance sensor; 29. ​​lighting lamp. DETAILED DESCRIPTION

[0020] See also Figures 1 to 3 , an asphalt road crack detection device, comprising a driving vehicle 1, a control display screen 2 arranged on the driving vehicle 1, a detection structure 3 arranged at the front of the driving vehicle 1; a marking mechanism 4 is arranged at the rear of the driving vehicle 1;

[0021] The marking mechanism 4 includes a fixed frame 5, a slide 6, a lifting seat 7, a connecting seat 8, a marking wheel 9, a first lifting device 10, a screw rod 11, and a first motor 12; the fixed frame 5 is a frame structure, the fixed frame 5 is arranged at the rear of the driving vehicle 1, the lifting seat 7 is located below the slide 6, a group of connecting seats 8 are vertically arranged at the bottom of the lifting seat 7, and the marking wheel 9 is arranged between a group of connecting seats 8; the first lifting device 10 is arranged on the top of the slide 6, and the output end of the first lifting device 10 passes through the slide 6 and is arranged on the lifting seat 7; the first motor 12 is arranged on the fixed frame 5, one end of the screw rod 11 is arranged at the output end of the first motor 12, and the other end of the screw rod 11 extends into the fixed frame 5 and the thread passes through the slide 6 and is arranged on the fixed frame 5.

[0022] In this embodiment: the detection structure 3 detects cracks on the asphalt road. When cracks are detected and need to be marked, the first motor 12 is started by controlling the display screen 2, the screw rod 11 rotates, and the slide seat 6 drives the marking wheel 9 to move. When it moves to the marked position, the first lifting device 10 is started, and the lifting seat 7 drives the marking wheel 9 to move downward until it contacts the ground (the marking wheel 9 is covered with paint), and then the driving vehicle 1 continues to move. When the marking wheel 9 rolls, the cracked road is automatically marked; it is easy for the staff to find the specific location of the crack on the road, which is convenient for repairing the road cracks and improving the practical performance of the device.

[0023] As a technical optimization solution of the present invention, a first distance sensor 13 and a first camera 14 fixedly connected to the bottom of the lifting seat 7 are respectively arranged on the left and right sides of the marking wheel 9 .

[0024] In this embodiment: the first distance sensor 13 can detect the distance from the ground, which is easy to control the height of the marking wheel 9; the first camera 14 can shoot the marking picture, and when the marking on the marking wheel 9 is not clear, it is easy to add paint to the marking wheel 9.

[0025] As a technical optimization solution of the utility model, an installation cavity 15 is opened through the top of the lifting seat 7, a marking paint bottle 16 is arranged in the installation cavity 15, a cover body 17 is arranged on the top of the marking paint bottle 16, a piston 18 is arranged in the marking paint bottle 16, an electric telescopic rod 19 fixedly connected to the piston 18 is arranged on the cover body 17, and a liquid outlet 20 is arranged at the bottom of the marking paint bottle 16, and the liquid outlet 20 is located above the marking wheel 9.

[0026] In this embodiment: the electric telescopic rod 19 is started, the piston 18 moves downward in the marking paint bottle 16, and the paint in the marking paint bottle 16 is squeezed out from the liquid outlet 20, and the paint falls onto the marking wheel 9, and marking can be performed continuously without the need for workers to manually squeeze the paint, thereby improving the efficiency of road crack detection.

[0027] As a technical optimization scheme of the utility model, the detection structure 3 includes a mounting seat 21, a lifting frame 22, a second motor 23, a rotating shaft 24, a rotating seat 25, a second camera 26, and a second lifting device 27; the mounting seat 21 is arranged on the front of the driving vehicle 1, the lifting frame 22 is a U-shaped structure with an opening facing downward, the second motor 23 is arranged on the lifting frame 22, the rotating shaft 24 is arranged inside the lifting frame 22, and one end of the rotating shaft 24 passes through the lifting frame 22 and is arranged at the output end of the second motor 23, the rotating seat 25 is arranged on the outer wall of the rotating shaft 24, and the second camera 26 is arranged on the side of the rotating seat 25 away from the rotating shaft 24; the second lifting device 27 is arranged on the top of the mounting seat 21, and the output end of the second lifting device 27 is arranged on the lifting frame 22.

[0028] In this embodiment: the second motor 23 is started, and the rotating shaft 24 drives the rotating seat 25 to rotate, which makes it easy to adjust the angle of the second camera 26; the second lifting device 27 is started, and the height of the second camera 26 is easy to adjust, thereby improving the detection effect and being able to accurately detect whether there are cracks in the asphalt pavement of the tested section. The first lifting device 10 and the second lifting device 27 use a pneumatic telescopic rod or a hydraulic telescopic rod.

[0029] As a technical optimization solution of the present invention, a second distance sensor 28 is provided at the bottom of the lifting frame 22 .

[0030] In this embodiment, when the lifting frame 22 moves up and down, the second distance sensor 28 can monitor the distance from the ground, so that the height of the second camera 26 can be easily adjusted.

[0031] As a technical optimization solution of the present utility model, an illuminating lamp 29 is arranged on the outer wall of the rotating seat 25 .

[0032] In this embodiment, when it is dark, the lighting lamp 29 is turned on to provide illumination and enhance the clarity of the image captured by the second camera 26 .

[0033] Working principle: start the second motor 23, the rotating shaft 24 drives the rotating seat 25 to rotate, which is easy to adjust the angle of the second camera 26, start the second lifting device 27, and easily adjust the height of the second camera 26, thereby improving the detection effect, and being able to accurately detect whether there are cracks in the asphalt pavement of the tested section of road. When cracks are detected and need to be marked, the first motor 12 is started by controlling the display screen 2, the screw rod 11 is rotated, and the slide seat 6 drives the marking wheel 9 to move. When it moves to the marked position, the first lifting device 10 is started, and the lifting seat 7 drives the marking wheel 9 to move downward until it contacts the ground (the marking wheel 9 is covered with paint), and then the driving vehicle 1 continues to move. When the marking wheel 9 rolls, the cracked road is automatically marked; it is easy for the staff to find the specific location of the cracks on the road, which is convenient for repairing the road cracks and improving the practical performance of the device.

[0034] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. An asphalt road crack detection device, comprising a driving vehicle (1), a control display screen (2) arranged on the driving vehicle (1), and a detection structure (3) arranged on the front of the driving vehicle (1); characterized in that: The rear part of the driving vehicle (1) is provided with a marking mechanism (4); The marking mechanism (4) comprises a fixed frame (5), a sliding seat (6), a lifting seat (7), a connecting seat (8), a marking wheel (9), a first lifting device (10), a screw rod (11), and a first motor (12); the fixed frame (5) is in a frame structure, the fixed frame (5) is arranged at the rear of the driving vehicle (1), the lifting seat (7) is located below the sliding seat (6), a group of connecting seats (8) are vertically arranged at the bottom of the lifting seat (7), and the marking wheel (9) is arranged between the group of connecting seats (8); the first lifting device (10) is arranged at the top of the sliding seat (6), and the output end of the first lifting device (10) passes through the sliding seat (6) and is arranged on the lifting seat (7); the first motor (12) is arranged on the fixed frame (5), one end of the screw rod (11) is arranged at the output end of the first motor (12), and the other end of the screw rod (11) extends into the fixed frame (5) and is threadedly passed through the sliding seat (6) and is arranged on the fixed frame (5).

2. The asphalt road crack detection device according to claim 1, characterized in that: A first distance sensor (13) and a first camera (14) fixedly connected to the bottom of the lifting seat (7) are respectively arranged on the left and right sides of the marking wheel (9).

3. The asphalt road crack detection device according to claim 1, characterized in that: The top of the lifting seat (7) is provided with an installation cavity (15), a marking paint bottle (16) is arranged in the installation cavity (15), a cover body (17) is arranged on the top of the marking paint bottle (16), a piston (18) is arranged in the marking paint bottle (16), an electric telescopic rod (19) fixedly connected to the piston (18) is arranged on the cover body (17), and a liquid outlet (20) is arranged at the bottom of the marking paint bottle (16), and the liquid outlet (20) is located above the marking wheel (9).

4. The asphalt road crack detection device according to claim 1, characterized in that: The detection structure (3) comprises a mounting seat (21), a lifting frame (22), a second motor (23), a rotating shaft (24), a rotating seat (25), a second camera (26), and a second lifting device (27); the mounting seat (21) is arranged on the front of the driving vehicle (1); the lifting frame (22) is a U-shaped structure with an opening facing downward; the second motor (23) is arranged on the lifting frame (22); the rotating shaft (24) is arranged inside the lifting frame (22); one end of the rotating shaft (24) passes through the lifting frame (22) and is arranged at the output end of the second motor (23); the rotating seat (25) is arranged on the outer wall of the rotating shaft (24); the second camera (26) is arranged on a side of the rotating seat (25) away from the rotating shaft (24); the second lifting device (27) is arranged on the top of the mounting seat (21); and the output end of the second lifting device (27) is arranged on the lifting frame (22).

5. The asphalt road crack detection device according to claim 4, characterized in that: A second distance sensor (28) is arranged at the bottom of the lifting frame (22).

6. The asphalt road crack detection device according to claim 4, characterized in that: An illuminating lamp (29) is arranged on the outer wall of the rotating seat (25).

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