Asphalt pavement crack detection device

By designing lift detection heads and cleaning mechanisms in the asphalt road crack detection device, the problem of poor detection effect and lack of cleaning structures in the existing device has been solved, and more efficient and accurate detection effects are achieved.

CN222390204UActive Publication Date: 2025-01-24ZHOUQU HIGHWAY SECTION GANNAN HIGHWAY DEVELOPMENT CENTER GANSU PROVINCE
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Patent Information

Application Number
CN202421177649.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-28
Publication Date
2025-01-24
Estimated Expiration
2034-05-28

AI Technical Summary

Technical Problem

The existing asphalt pavement crack detection device cannot lift the detection head, which causes the detection head to be unable to carefully detect the road surface, and the detection effect is poor. At the same time, most devices lack pavement cleaning structure, and too many obstacles on the road surface will affect the detection. Work.

Method used

An asphalt pavement crack detection device including a detection mechanism and a cleaning mechanism is designed. The detection mechanism uses a combination of worm, worm gear and screw to move the probe head up and down; the cleaning mechanism uses an electric slide, cleaning plate and rotating rod to clean the road surface.

Benefits of technology

By raising and lowering the detector head and cleaning the road surface, the accuracy and efficiency of detection are improved, the impact of obstacles on detection is reduced, and the accuracy of detection results is significantly improved.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the related technical field of crack detection, in particular to an asphalt pavement crack detection device which comprises a shell, a detection mechanism is arranged at one end of the shell, a sweeping mechanism is arranged at one end of the shell, universal wheels are arranged at the lower end of the shell, and a push rod is arranged at one end of the shell. According to the asphalt pavement crack detection device, through the arrangement of the connecting block, the protective shell, the first motor, a first bearing, a worm, a second bearing, a ball nut seat, a screw rod, a worm gear, a connecting plate, a detection head and an illuminating lamp, when a pavement is detected, the first motor can be started, so that the screw rod drives the connecting plate to move up and down, and the detection head can move up and down; and the detection head can be lowered down for more detailed detection when the detection head is in an unclear position, through the arrangement of the cleaning mechanism, an electric sliding table and a second motor are started, a cleaning brush rotates to perform left-right cleaning movement, the road surface is cleaned, and the detection accuracy is improved.
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Description

Technical Field

[0001] The utility model relates to the technical field related to crack detection, and in particular to an asphalt pavement crack detection device. Background Art

[0002] Crack detection refers to the process of monitoring and inspecting cracks that may appear in engineering structures such as buildings, bridges, tunnels, and underground pipelines. Through crack detection, damage to the structure can be discovered in a timely manner, accidents can be prevented, and the safety of people's lives and property can be protected. In road engineering, it is often necessary to inspect the surface of the road to prevent cracks from occurring on the road surface and causing danger. Therefore, an asphalt pavement crack detection device is particularly needed.

[0003] However, most of the existing asphalt pavement crack detection devices are unable to raise and lower the detection head, and the detection head is sometimes unable to perform detailed detection of the road surface, resulting in poor detection results. Secondly, most of the detection devices do not have a cleaning structure for the road surface, and too many obstacles on the road surface will affect the detection work. Utility Model Content

[0004] The purpose of the utility model is to provide an asphalt pavement crack detection device to solve the problem of the existing asphalt pavement crack detection devices proposed in the above background technology, that most of the detection devices are unable to raise and lower the detection head, and the detection head is sometimes unable to perform detailed detection of the road surface, resulting in poor detection effect, and secondly, most of the detection devices do not have a cleaning structure for the road surface, and too many obstacles on the road surface will affect the detection work.

[0005] To achieve the above object, the utility model provides the following technical solution: an asphalt pavement crack detection device, comprising a housing, a detection mechanism is arranged at one end of the housing, a cleaning mechanism is arranged at one end of the housing, a universal wheel is arranged at the lower end of the housing, and a push rod is arranged at one end of the housing;

[0006] The detection mechanism includes a connecting block, a protective shell, a first motor, a first bearing, a worm, a second bearing, a ball nut seat, a screw, a worm gear, a connecting plate, a detection head and a lighting lamp. A connecting block is provided on one side surface of the shell, a protective shell is fixedly connected to one side surface of the connecting block, a first motor is fixedly installed on one side surface of the protective shell, first bearings are provided at both ends of the protective shell, a worm is provided at one end of the first bearing, second bearings are provided at both ends of the protective shell, a ball nut seat is provided at one end of the second bearing, a screw is provided inside the ball nut seat, a worm gear is provided on the outer surface of the ball nut seat, one end of the screw is fixedly connected to a connecting plate, a detection head is fixedly installed on one side surface of the connecting plate, and a lighting lamp is fixedly installed on one side surface of the connecting plate.

[0007] Preferably, the worm is meshingly connected with the worm wheel, and the worm forms a rotating structure with the protective shell through a first bearing.

[0008] Preferably, the ball nut seat forms a rotating structure with the protective shell through the second bearing, and the lighting lamps are provided in two groups and are symmetrically arranged with respect to the central axis of the connecting plate.

[0009] Preferably, the cleaning mechanism includes an electric slide, a cleaning plate, a second motor, a first rotating rod, a first gear, a track, a second gear, a second rotating rod and a cleaning brush, an electric slide is fixedly mounted on one side surface of the outer shell, one end of the electric slide is fixedly connected to the cleaning plate, one end of the electric slide is fixedly connected to the second motor, one end of the second motor is connected to the first rotating rod, one end of the first rotating rod is fixedly connected to the first gear, one end of the first gear is provided with a track, one end of the track is provided with a second gear, one end of the second gear is connected to the second rotating rod, and one end of the first rotating rod is fixedly connected to a cleaning brush.

[0010] Preferably, a cleaning brush is installed at one end of the first rotating rod and the second rotating rod, and the cleaning brush forms a rotating structure with the cleaning plate through the first rotating rod.

[0011] Compared with the prior art, the beneficial effects of the utility model are as follows: the asphalt pavement crack detection device, through the setting of the connecting block, the protective shell, the first motor, the first bearing, the worm, the second bearing, the ball nut seat, the screw, the worm wheel, the connecting plate, the detection head and the lighting lamp, when detecting the road surface, the first motor can be started, so that the screw drives the connecting plate to move up and down, and the detection head will move up and down. When encountering a position that is not clearly detected, the detection head can be lowered for more detailed detection. Through the setting of the electric slide, the cleaning plate, the second motor, the first rotating rod, the first gear, the crawler, the second gear, the second rotating rod and the cleaning brush, the electric slide and the second motor are started, so that the cleaning brush rotates to perform a left and right cleaning motion to clean the road surface, thereby improving the accuracy of detection. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 This is a schematic diagram of the side view of the appearance structure of the utility model;

[0013] Figure 2 It is the testing organization of this utility model;

[0014] Figure 3 This is a schematic diagram of the structure of the ball nut seat and the worm gear cooperating with each other in the utility model;

[0015] Figure 4 This is a schematic diagram of the cleaning mechanism structure of the utility model;

[0016] Figure 5This is a schematic diagram of the structure of the first rotating rod and the first gear cooperating with each other in the utility model;

[0017] Figure 6 This is a schematic diagram of the structure in which the housing and the push rod cooperate with each other in the utility model.

[0018] In the figure: 1. shell; 2. detection mechanism; 201. connecting block; 202. protective shell; 203. first motor; 204. first bearing; 205. worm; 206. second bearing; 207. ball nut seat; 208. screw; 209. worm wheel; 210. connecting plate; 211. detection head; 212. lighting lamp; 3. cleaning mechanism; 301. electric slide; 302. cleaning plate; 303. second motor; 304. first rotating rod; 305. first gear; 306. crawler; 307. second gear; 308. second rotating rod; 309. cleaning brush; 4. universal wheel; 5. push rod. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0020] See also Figure 1-6 The utility model provides a technical solution: an asphalt pavement crack detection device, comprising a housing 1, a detection mechanism 2 is arranged at one end of the housing 1, a cleaning mechanism 3 is arranged at one end of the housing 1, a universal wheel 4 is arranged at the lower end of the housing 1, and a push rod 5 is arranged at one end of the housing 1;

[0021] The detection mechanism 2 includes a connecting block 201, a protective shell 202, a first motor 203, a first bearing 204, a worm 205, a second bearing 206, a ball nut seat 207, a screw 208, a worm wheel 209, a connecting plate 210, a detection head 211 and an illuminating lamp 212. A connecting block 201 is provided on one side surface of the housing 1, a protective shell 202 is fixedly connected to one side surface of the connecting block 201, a first motor 203 is fixedly installed on one side surface of the protective shell 202, and both ends of the protective shell 202 are fixedly mounted on the first motor 203. A first bearing 204 is provided, a worm 205 is provided at one end of the first bearing 204, second bearings 206 are provided at both ends of the protective shell 202, a ball nut seat 207 is provided at one end of the second bearing 206, a screw 208 is provided inside the ball nut seat 207, a worm gear 209 is provided on the outer surface of the ball nut seat 207, a connecting plate 210 is fixedly connected to one end of the screw 208, a detection head 211 is fixedly installed on one side surface of the connecting plate 210, and a detection head 211 is fixedly installed on one side surface of the connecting plate 210. A lighting lamp 212 is fixedly installed. Through the arrangement of the connecting block 201, the protective shell 202, the first motor 203, the first bearing 204, the worm 205, the second bearing 206, the ball nut seat 207, the screw 208, the worm wheel 209, the connecting plate 210, the detection head 211 and the lighting lamp 212, when the detection work is carried out, the first motor 203 can be started, the first motor 203 makes the worm 205 rotate, and the worm wheel 209 meshing with the worm 205 is also driven to rotate, and the worm wheel 209 drives the ball nut seat 207 to rotate, and the ball nut seat 207 can drive the screw 208 set inside to rotate, so that the screw 208 drives the connecting plate 210 to move up and down, thereby driving the detection head 211 to move up and down. The height of the detection head 211 can be adjusted according to different road conditions, the detection efficiency is higher, and the detection result is more accurate. Secondly, the lighting 212 can be turned on at night or in dim conditions, and the detection head 211 can also perform detection work at night or in dim conditions.

[0022] Furthermore, the worm 205 is meshedly connected with the worm wheel 209, and the worm 205 forms a rotating structure with the protective shell 202 through the first bearing 204. Through the arrangement of the worm 205 and the worm wheel 209, when the worm 205 rotates, the worm wheel 209 meshedly connected with the worm 205 will be driven to rotate, causing the screw 208 to move up and down.

[0023] Furthermore, the ball nut seat 207 forms a rotating structure with the protective shell 202 through the second bearing 206. Two groups of lighting lamps 212 are provided and are symmetrically arranged with respect to the central axis of the connecting plate 210. Through the arrangement of the lighting lamps 212, the lighting lamps 212 can be turned on during nighttime detection, so that the detection device can also perform detection work at night or in a dim environment.

[0024] Furthermore, the cleaning mechanism 3 includes an electric slide 301, a cleaning plate 302, a second motor 303, a first rotating rod 304, a first gear 305, a track 306, a second gear 307, a second rotating rod 308 and a cleaning brush 309. The electric slide 301 is fixedly installed on one side surface of the housing 1, one end of the electric slide 301 is fixedly connected to the cleaning plate 302, one end of the electric slide 301 is fixedly connected to the second motor 303, one end of the second motor 303 is connected to the first rotating rod 304, one end of the first rotating rod 304 is fixedly connected to the first gear 305, one end of the first gear 305 is provided with a track 306, one end of the track 306 is provided with a second gear 307, one end of the second gear 307 is connected to the second rotating rod 308, one end of the first rotating rod 304 is fixedly connected to the cleaning brush 309, and the cleaning brush 309 is fixedly connected to the cleaning plate 302. , the cleaning plate 302, the second motor 303, the first rotating rod 304, the first gear 305, the crawler track 306, the second gear 307, the second rotating rod 308 and the cleaning brush 309 are arranged. When performing the detection work, the second motor 303 is started, and the second motor 303 rotates the first rotating rod 304. The first gear 305 at one end of the first rotating rod 304 will drive the crawler track 306 to work, and the crawler track 306 drives the second rotating rod 308 to rotate through the second gear 307. In this way, the first rotating rod 304 and the second rotating rod 308 will drive the cleaning brush 309 to rotate. At this time, the electric slide 301 is started, and the electric slide 301 will drive the cleaning brush 309 to move left and right. At this time, the cleaning brush 309 will rotate to perform left and right cleaning work. Cleaning the road surface can reduce obstacles and improve the accuracy of detection.

[0025] Furthermore, a cleaning brush 309 is installed at one end of the first rotating rod 304 and the second rotating rod 308. The cleaning brush 309 forms a rotating structure with the cleaning plate 302 through the first rotating rod 304. Through the setting of the first rotating rod 304 and the second rotating rod 308, the cleaning brush 309 will be driven to rotate when the first rotating rod 304 and the second rotating rod 308 rotate, and the cleaning efficiency of the cleaning brush 309 is higher.

[0026] Working principle: When performing detection work, the first motor 203 can be started, and the first motor 203 can rotate the worm 205, and the worm wheel 209 meshing with the worm 205 is also driven to rotate, and the worm wheel 209 drives the ball nut seat 207 to rotate, and the ball nut seat 207 can drive the screw 208 set inside to rotate, so that the screw 208 drives the connecting plate 210 to move up and down, so that the detection head 211 can be driven to move up and down, and the height of the detection head 211 can be adjusted according to different road conditions. Then, the outer shell 1 can be pushed to move by the push rod 5 to perform detection work, so that the detection efficiency is higher and the detection result is more accurate. Secondly, the lighting lamp 212 can be turned on at night or in dim conditions, and the detection head 2 11 Detection work can also be carried out at night or in dim conditions. When performing the detection work, the second motor 303 is started, and the second motor 303 rotates the first rotating rod 304. The first gear 305 at one end of the first rotating rod 304 drives the track 306 to work, and the track 306 drives the second rotating rod 308 to rotate through the second gear 307. In this way, the first rotating rod 304 and the second rotating rod 308 drive the cleaning brush 309 to rotate. At this time, the electric slide 301 is started, and the electric slide 301 drives the cleaning brush 309 to move left and right. At this time, the cleaning brush 309 rotates to perform left and right cleaning work. Cleaning the road surface can reduce obstacles and improve the accuracy of detection.

[0027] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An asphalt pavement crack detection device, comprising a housing (1), characterized in that: A detection mechanism (2) is provided at one end of the housing (1), a cleaning mechanism (3) is provided at one end of the housing (1), a universal wheel (4) is provided at the lower end of the housing (1), and a push rod (5) is provided at one end of the housing (1); The detection mechanism (2) comprises a connection block (201), a protective shell (202), a first motor (203), a first bearing (204), a worm (205), a second bearing (206), a ball nut seat (207), a screw (208), a worm wheel (209), a connection plate (210), a detection head (211) and an illuminating lamp (212); a connection block (201) is provided on one side surface of the housing (1); a protective shell (202) is fixedly connected to one side surface of the connection block (201); a first motor (203) is fixedly mounted on one side surface of the protective shell (202); and first shafts are provided at both ends of the protective shell (202). A bearing (204) is provided at one end of the first bearing (204), a worm (205) is provided at both ends of the protective shell (202), a ball nut seat (207) is provided at one end of the second bearing (206), a screw (208) is provided inside the ball nut seat (207), a worm gear (209) is provided on the outer surface of the ball nut seat (207), one end of the screw (208) is fixedly connected to a connecting plate (210), a detection head (211) is fixedly mounted on one side surface of the connecting plate (210), and an illuminating lamp (212) is fixedly mounted on one side surface of the connecting plate (210).

2. The asphalt pavement crack detection device according to claim 1, characterized in that: The worm (205) is meshingly connected with the worm wheel (209), and the worm (205) forms a rotating structure with the protective shell (202) via the first bearing (204).

3. The asphalt pavement crack detection device according to claim 1, characterized in that: The ball nut seat (207) forms a rotating structure with the protective shell (202) via the second bearing (206), and two groups of illuminating lamps (212) are provided and are symmetrically arranged about the central axis of the connecting plate (210).

4. The asphalt pavement crack detection device according to claim 1, characterized in that: The cleaning mechanism (3) comprises an electric slide (301), a cleaning plate (302), a second motor (303), a first rotating rod (304), a first gear (305), a crawler belt (306), a second gear (307), a second rotating rod (308) and a cleaning brush (309); the electric slide (301) is fixedly mounted on a surface of one side of the housing (1); one end of the electric slide (301) is fixedly connected to the cleaning plate (302); and one end of the electric slide (301) is fixedly connected to the second rotating rod (304). Two motors (303), one end of the second motor (303) is connected to a first rotating rod (304), one end of the first rotating rod (304) is fixedly connected to a first gear (305), one end of the first gear (305) is provided with a crawler (306), one end of the crawler (306) is provided with a second gear (307), one end of the second gear (307) is connected to a second rotating rod (308), and one end of the first rotating rod (304) is fixedly connected to a cleaning brush (309).

5. The asphalt pavement crack detection device according to claim 4, characterized in that: A cleaning brush (309) is mounted on one end of each of the first rotating rod (304) and the second rotating rod (308); the cleaning brush (309) forms a rotating structure with the first rotating rod (304) and the cleaning plate (302).