Pavement crack detection device
By using a combination of high-pressure nozzles and dust extraction pipes in the road surface crack detection device, the problem of poor cleaning effect has been solved, enabling rapid cleaning of dust from the road surface and inside cracks, thus improving detection accuracy and efficiency.
Patent Information
- Application Number
- CN202421147966.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-24
- Publication Date
- 2025-01-07
- Estimated Expiration
- 2034-05-24
AI Technical Summary
The existing road crack detection devices have a weak cleaning mechanism that cannot effectively remove dust from inside the road cracks, affecting the accuracy of the detection.
It adopts a combination structure of high-pressure nozzles and dust extraction pipes. The inclined high-pressure nozzles clean the dust on the road surface and inside the cracks, and the dust extraction pipes create negative pressure to extract the dust. It works in conjunction with a crack detection camera to collect data.
It enables rapid cleaning of dust from road surfaces and inside cracks, improving the accuracy and efficiency of crack detection and ensuring the effective operation of the crack detection device.
Smart Images

Figure CN222313738U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of road surface detection, in particular to a road surface crack detection device. Background Art
[0002] In the prior art, urban roads, highways, bridge pavements, etc. are all paved with asphalt to form asphalt pavements. Due to the effect of vehicle load and the influence of natural factors, cracks will appear on the asphalt pavement. If the cracks are not repaired in time, road potholes will occur, causing deeper damage to the asphalt pavement and affecting driving safety. Therefore, early detection of asphalt pavement cracks is an important prerequisite for maintaining asphalt pavement.
[0003] After searching, the Chinese patent application number 202320571653.X discloses a pavement crack detection device, including a frame, a walking mechanism, a detection mechanism and a cleaning mechanism, wherein the walking mechanism is arranged on the frame and is used to drive the frame to move, and the detection mechanism is arranged on the frame to extend into the crack for detection; the cleaning mechanism includes a cleaning brush and a driving assembly, the cleaning brush is rotatably arranged on the frame, the driving assembly is arranged on the frame, the driving assembly is connected to the cleaning brush and drives the cleaning brush to rotate; the driving assembly includes a driving motor, the driving motor is arranged on the frame, the driving motor is connected to the cleaning brush and drives the cleaning brush to rotate; the cleaning brush is provided with two groups, and a transmission assembly is arranged on the frame, and the two groups of cleaning brushes rotate in opposite directions through the transmission assembly.
[0004] The above patent has the following shortcomings: the cleaning mechanism provided in the device can clean the cracks, so that when detecting cracks, the influence of dust and garbage on the detection results is reduced, thereby improving the accuracy of detection; however, in actual use, the cleaning effect of the cleaning brush is relatively weak, and the dust inside the road cracks cannot be cleaned more cleanly, which is not conducive to the crack detection device to detect road cracks. Utility Model Content
[0005] The utility model aims to solve the shortcomings in the prior art and proposes a road surface crack detection device.
[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:
[0007] A road crack detection device comprises: a mobile trolley and a cleaning assembly, wherein a control processor is fixedly mounted on the top of the mobile trolley, a crack detection camera and a plurality of fill lights are fixedly mounted on the bottom of the control processor, and a light-shielding protective cylinder is fixedly mounted on the side of the bottom end of the mobile trolley, and a flexible square cylinder is fixedly mounted on the bottom end of the light-shielding protective cylinder;
[0008] The cleaning assembly includes a protective cleaning box and a high-pressure air pump, a diverter box is arranged inside the protective cleaning box, a cleaning box 1 is fixedly connected to the back of the diverter box, and a plurality of downward-inclined high-pressure nozzles 1 are equidistantly connected to the front of the cleaning box 1; a cleaning box 2 is fixedly connected to the front of the diverter box, and a plurality of front-inclined high-pressure nozzles 2 are equidistantly connected to the bottom of the cleaning box 2.
[0009] As a further solution of the utility model: a mounting bracket is fixedly installed on the front of the movable vehicle, and a mounting frame is fixedly installed on the front of the mounting bracket.
[0010] As a further solution of the utility model: a plurality of rubber curtains are fixedly installed at equal intervals on the front side of the installation card frame, and a curtain pressure plate is arranged on the top of the plurality of rubber curtains.
[0011] As a further solution of the utility model: a connecting frame arm is fixedly installed on the top of the front side of the movable vehicle, and a rotating connecting frame is rotatably connected to the top of the connecting frame arm.
[0012] As a further solution of the utility model: support connecting arms are fixedly installed on both sides of the front side of the rotating connecting frame, and the support connecting arms are fixedly installed on the top of the protective cleaning box.
[0013] As a further solution of the utility model: a connecting seat 1 is fixedly installed on the top of the cleaning box 2, and a rotating head is rotatably installed inside the connecting seat 1.
[0014] As a further solution of the utility model: a threaded rod is rotatably mounted on the top of the rotating head, an inner threaded sleeve is threadedly sleeved on the outer wall of the threaded rod, and a second connecting seat is rotatably connected to the outer wall of the inner threaded sleeve.
[0015] As a further solution of the utility model: an electric telescopic rod is rotatably mounted on the top end of the mounting bracket, and a second mounting seat is fixedly mounted on the telescopic end of the electric telescopic rod.
[0016] Compared with the prior art, the utility model provides a road crack detection device, which has the following beneficial effects:
[0017] 1. The pavement crack detection device can quickly clean the pavement by cooperating with the high-pressure nozzle 1 and the high-pressure nozzle 2 of the tilting device, and can simultaneously remove the dust inside the pavement cracks, so as to facilitate the crack detection camera to collect crack data and improve the use effect of the overall device.
[0018] 2. The pavement crack detection device extracts the air containing dust inside the protective cleaning box through the dust extraction pipe, and cooperates with the air outlet connecting pipe to form a negative pressure inside the dust extraction pipe, and cooperates with the air flow inside the protective cleaning box to achieve the purpose of quickly cleaning the dust, thereby improving the cleaning speed of the overall device for the road surface and crack dust.
[0019] The parts not involved in the device are the same as those in the prior art or can be implemented by using the prior art. The utility model has a simple structure and is easy to operate. BRIEF DESCRIPTION OF THE DRAWINGS
[0020] Figure 1 It is a schematic diagram of the three-dimensional structure of the overall assembly of the utility model;
[0021] Figure 2 It is a partial cross-sectional structural schematic diagram of the overall assembly of the utility model;
[0022] Figure 3 For this utility model Figure 2 A schematic diagram of the enlarged structure at A in the middle;
[0023] Figure 4 For this utility model Figure 2 Schematic diagram of the enlarged structure at point B in the middle.
[0024] In the figure: 1. Mobile trolley; 2. Shading protective tube; 3. Flexible square tube; 4. Control processor; 5. Connecting frame arm; 6. Rotating connecting frame; 7. Support connecting arm; 8. Protective cleaning box; 9. High-pressure air pump; 10. Dust extraction pipe; 11. Connecting air outlet pipe; 12. Crack detection camera; 13. Fill light; 14. Rotating seat 1; 15. Mounting seat 1; 16. Electric telescopic rod; 17. Mounting seat 2; 18. Rotating seat 2 ; 19. Install the bracket; 20. Install the card frame; 21. Rubber curtain; 22. Curtain pressure plate; 23. Clean the air outlet pipe; 24. Diverter box; 25. Cleaning box one; 26. Air outlet pipe one; 27. Connecting hose; 28. High-pressure nozzle one; 29. Cleaning box two; 30. Air outlet pipe two; 31. High-pressure nozzle two; 32. Connecting seat one; 33. Rotating head; 34. Threaded rod; 35. Internally threaded sleeve; 36. Connecting seat two. DETAILED DESCRIPTION
[0025] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.
[0026] A road crack detection device, such as Figures 1 to 4As shown, it includes: a mobile cart 1 and a cleaning component. The cleaning component is arranged on the front of the mobile cart 1 to quickly clean the dust on the road surface and the dust accumulated inside the cracks, so as to facilitate the judgment of whether there are cracks on the road surface and quickly measure the depth of the cracks.
[0027] The mobile cart 1 includes a car plate and multiple mobile rollers, which are installed at the four corners of the lower surface of the mobile cart 1. A control processor 4 is fixedly installed on the upper surface of the car plate, and a crack detection camera 12 and multiple fill lights 13 are fixedly installed on the bottom end of the control processor 4; and an adaptation groove is opened on the upper surface of the car plate, and the crack detection camera 12 and multiple fill lights 13 are all located inside the adaptation groove, and the multiple fill lights 13 are arranged equidistantly in a circle with the crack detection camera 12 as the center.
[0028] A light-shielding protective tube 2 is fixedly installed on the bottom side of the mobile cart 1, and a flexible square tube 3 is fixedly installed on the bottom end of the light-shielding protective tube 2. The flexible square tube 3 can be made of flexible rubber material or cloth with good light-shielding properties. It cooperates with the light-shielding protective tube 2 to perform light-shielding treatment on the crack detection camera 12, thereby reducing the influence of external light and shadow on the camera work of the crack detection camera 12.
[0029] The control processor 4 controls the fill light 13 to work, so that the crack detection camera 12 can clearly collect data on the road surface conditions; at the same time, the control processor 4 controls the crack detection camera 12 to collect data on the road surface, and quickly analyzes the collected image data to determine whether there are cracks in the road surface; if there are cracks in the road surface, the depth and width of the cracks are measured, and an alarm is issued to remind the staff to repair the road surface.
[0030] The cleaning assembly includes a protective cleaning box 8 and a high-pressure air pump 9, which is fixedly installed on the top of the protective cleaning box 8, and support connecting arms 7 are provided on both sides of the back of the high-pressure air pump 9, which are fixedly installed on the top of the protective cleaning box 8.
[0031] A rotating connecting frame 6 is fixedly installed on the top between the two supporting connecting arms 7 , and a connecting frame arm 5 is rotatably installed on the back of the rotating connecting frame 6 . The connecting frame arm 5 is fixedly installed on the top of the front side of the moving vehicle 1 .
[0032] The connecting frame arm 5 includes an integrally formed base frame plate and two supporting frame arms, the two supporting frame arms are arranged at both ends of the upper surface of the base frame plate, a rotating seat 14 is fixedly installed in the middle of the upper surface of the base frame plate, and a mounting seat 15 is rotatably installed on the upper surface of the rotating seat 14.
[0033] An electric telescopic rod 16 is fixedly installed on the top of the mounting seat 15, and a mounting seat 2 17 is fixedly installed on the telescopic end of the electric telescopic rod 16. The mounting seat 2 17 is rotatably connected to a rotating seat 2 18, and the rotating seat 2 18 is fixedly connected to the rotating connecting frame 6.
[0034] A diverter box 24 is arranged inside the protective cleaning box 8, and a cleaning box 25 is fixedly connected to the back of the diverter box 24. Both sides of the cleaning box 25 are fixedly connected with rotating pins, and the rotating pins are rotatably connected to the box bodies on both sides of the protective cleaning box 8.
[0035] A plurality of air outlet pipes 26 are welded at equal intervals on the front of the cleaning box 25 , a connecting hose 27 is fixedly installed at the end of the air outlet pipe 26 , and a high-pressure nozzle 28 is fixedly installed at one end of the connecting hose 27 .
[0036] A bracket is fixedly installed at the bottom end of the multiple high-pressure nozzles 28, a supporting connecting rod is fixedly installed on the back of the bracket, a protective wall plate is fixedly installed on the back of the supporting connecting rod, and the protective wall plate is rotatably installed on the bottom end of the cleaning box 25.
[0037] The injection port of the high-pressure nozzle 28 is set tilted downward, which can quickly blow up the dust on the road surface. The injection port of the high-pressure nozzle 28 is fan-shaped, and the airflows injected by multiple high-pressure nozzles 28 are connected into a plane to quickly clean the dust on the road surface.
[0038] The front of the diversion box 24 is fixedly connected with a cleaning box 29, and both sides of the cleaning box 29 are fixedly connected with limit pins, and the outer sliding of the limit pins is engaged with the limit slide rails, and the two limit slide rails are fixedly installed on the inner walls of the two sides of the protective cleaning box 8 respectively.
[0039] A plurality of air outlet pipes 230 are welded at equal intervals at the bottom of the cleaning box 29, and a high-pressure nozzle 231 is fixedly installed at the bottom of each of the plurality of air outlet pipes 230. The high-pressure nozzle 231 has the same structure as the high-pressure nozzle 1 28, and the spraying direction of the high-pressure nozzle 231 is inclined forward to quickly blow up the dust on the road surface and inside the cracks.
[0040] A mounting bracket 19 is fixedly installed on the front of the vehicle plate of the mobile vehicle 1 by bolts, and a mounting frame 20 is fixedly installed on the front of the mounting bracket 19 by bolts. The mounting frame 20 is clamped on the back of the protective cleaning box 8.
[0041] A connecting seat 1 32 is fixedly installed on the top of the cleaning box 29, and a rotating head 33 is rotatably installed inside the connecting seat 1 32 through a rotating pin. A threaded rod 34 is rotatably installed on the top of the rotating head 33. An internal threaded sleeve 35 is threadedly sleeved on the outer wall of the threaded rod 34, and a connecting seat 2 36 is rotatably connected to the outer wall of the internal threaded sleeve 35. An adapting through groove is opened on the top of the protective cleaning box 8, and the internal threaded sleeve 35 passes through the adapting through groove, and the connecting seat 2 36 is fixedly installed with the top of the protective cleaning box 8.
[0042] A plurality of rubber curtains 21 are equidistantly fixedly installed on the front of the mounting card frame 20, and a curtain pressure plate 22 is provided on the top of the plurality of rubber curtains 21. Both ends of the curtain pressure plate 22 are fixed to the mounting card frame 20 by bolts, and the bottom end of the rubber curtain 21 is in contact with the road surface, thereby reducing the possibility of the airflow derived from the high-pressure nozzle 1 28 and the high-pressure nozzle 2 31 carrying dust into the interior of the light-shielding protective tube 2.
[0043] A dust extraction pipe 10 is fixedly installed at the bottom of the front side of the protective cleaning box 8, and a connecting air outlet pipe 11 is welded to the top of one end of the dust extraction pipe 10 away from the protective cleaning box 8. The connecting air outlet pipe 11 is inclined so that the air outlet direction of the connecting air outlet pipe 11 is biased towards the axis of the dust extraction pipe 10, which is convenient for gas discharge.
[0044] A cleaning air outlet pipe 23 is fixedly installed on the top of the diverter box 24. The cleaning air outlet pipe 23 and the connecting air outlet pipe 11 are both connected to the air outlet of the high-pressure air pump 9, so that the high-pressure air pump 9 can quickly export air.
[0045] Working principle:
[0046] Please refer to Figures 1 to 4 , assemble the device as shown in the figure;
[0047] When the device is in use, first move the device to the road and make the whole device move along the road; then start the control processor 4, the control processor 4 first starts the high-pressure air pump 9, the high-pressure air pump 9 synchronously introduces high-pressure air into the cleaning outlet pipe 23 and the connecting outlet pipe 11, the cleaning outlet pipe 23 introduces the high-pressure air into the diversion box 24, and then enters the cleaning box 1 25 and the cleaning box 2 29 respectively, the two parts of high-pressure air are sprayed onto the road surface through the high-pressure nozzle 1 28 and the high-pressure nozzle 2 31 respectively, the dust on the road surface and the inside of the gap is quickly removed, the dust mixed with air is inside the protective cleaning box 8, and then enters the dust extraction pipe 10; the air inside the connecting outlet pipe 11 is discharged through the air outlet of the dust extraction pipe 10, and a negative pressure is formed inside the dust extraction pipe 10, the air entrained with dust is extracted from the inside of the protective cleaning box 8, and discharged to the outside, so that the road surface is quickly cleaned;
[0048] Then, the fill light 13 and the crack detection camera 12 are started to detect the road surface; if there are cracks on the road surface, the control processor 4 performs data analysis based on the crack information collected by the crack detection camera 12 to determine the depth and width of the cracks, and then issues an alarm to remind the staff to repair the cracks.
[0049] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.
Claims
1. A road crack detection device, characterized in that: include: A mobile trolley (1) and a cleaning component, wherein a control processor (4) is fixedly mounted on the top of the mobile trolley (1), a crack detection camera (12) and a plurality of fill lights (13) are fixedly mounted on the bottom of the control processor (4), and a light shielding protective tube (2) is fixedly mounted on the side of the bottom end of the mobile trolley (1), and a flexible square tube (3) is fixedly mounted on the bottom end of the light shielding protective tube (2); The cleaning assembly comprises a protective cleaning box (8) and a high-pressure air pump (9); a diverter box (24) is arranged inside the protective cleaning box (8); a cleaning box one (25) is fixedly connected to the back of the diverter box (24); a plurality of downwardly inclined high-pressure nozzles one (28) are equidistantly connected to the front of the cleaning box one (25); a cleaning box two (29) is fixedly connected to the front of the diverter box (24); a plurality of frontally inclined high-pressure nozzles two (31) are equidistantly connected to the bottom of the cleaning box two (29).
2. A road crack detection device according to claim 1, characterized in that: A mounting bracket (19) is fixedly mounted on the front of the mobile trolley (1), and a mounting bracket frame (20) is fixedly mounted on the front of the mounting bracket (19).
3. A road crack detection device according to claim 2, characterized in that: A plurality of rubber curtains (21) are fixedly mounted at equal intervals on the front of the mounting frame (20), and a curtain pressing plate (22) is arranged on the top of the plurality of rubber curtains (21).
4. A road crack detection device according to claim 1, characterized in that: A connecting frame arm (5) is fixedly mounted on the top of the front of the moving trolley (1), and a rotating connecting frame (6) is rotatably connected to the top of the connecting frame arm (5).
5. A road surface crack detection device according to claim 4, characterized in that: Support connecting arms (7) are fixedly mounted on both sides of the front side of the rotating connecting frame (6), and the support connecting arms (7) are fixedly mounted on the top of the protective cleaning box (8).
6. A road crack detection device according to claim 1, characterized in that: A connecting seat (32) is fixedly mounted on the top of the cleaning box (29), and a rotating head (33) is rotatably mounted inside the connecting seat (32).
7. A road surface crack detection device according to claim 6, characterized in that: A threaded rod (34) is rotatably mounted on the top of the rotating head (33); an internal threaded sleeve (35) is threadedly sleeved on the outer wall of the threaded rod (34); and a second connecting seat (36) is rotatably connected to the outer wall of the internal threaded sleeve (35).
8. A road surface crack detection device according to claim 2, characterized in that: An electric telescopic rod (16) is rotatably mounted on the top end of the mounting bracket (19), and a second mounting seat (17) is fixedly mounted on the telescopic end of the electric telescopic rod (16).