Pavement crack detection device

Abstract

The utility model belongs to the technical field of pavement crack detection devices, and particularly relates to a pavement crack detection device which comprises a bottom plate, an auxiliary detection device is mounted on the bottom plate; a screw rod is rotationally mounted in the moving groove; a movable block is mounted outside the section of the screw rod in a sleeving manner; a detection probe is mounted at the bottom of the moving block; a fixing frame is fixedly connected to the vertical face, close to the moving groove, of the bottom plate. A cleaning brush is mounted outside the section of the rotating shaft; a detection device is arranged in the fixing groove; the connecting end part of the connecting line penetrates through the moving block and is connected with the detection probe; convex clamping grooves are symmetrically formed in the two sides of the top of a cross rod of the fixing frame; the end part of the convex clamping block is fixedly connected with a push plate; under the action of the auxiliary detection device, the operation range of the detection structure is expanded, and the influence on the accuracy of a detection result due to the fact that sundries and chippings shield a road surface is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of road surface crack detection devices, in particular to a road surface crack detection device. Background Art

[0002] Pavement crack detection devices are devices used to detect cracks on the road surface. These devices usually use various sensors and image processing technologies to monitor the cracks on the road surface in real time to help road maintenance and repair work;

[0003] A Chinese patent with publication number CN217869868U discloses a pavement crack detection device, which belongs to the technical field of detection devices. The pavement crack detection device includes a support moving assembly and a crack detection assembly. The bottom end of the handrail is fixedly connected to the upper surface of one side of the support plate, and four moving wheels are installed at the four corners of the lower surface of the support plate. A through slot is opened on the support plate; the fixed frame is fixed to the top of the handrail, the crack tester host is arranged inside the fixed frame, and the elastic clamping part is arranged on one side of the fixed frame and tightly abuts against the side of the crack tester host. The protective cover is fixed to the support plate and is located directly above the through slot. The electric push rod is installed on the top of the protective cover, and the output rod end of the electric push rod moves through the protective cover and is fixed to the top of the microscopic camera probe. The two ends of the data cable are respectively connected to the crack tester host and the microscopic camera probe. Through the setting of the support plate and the handrail, it is convenient for one person to operate, and there is no need for the operator to squat for measurement, thereby reducing the labor intensity of the operator;

[0004] When the above-mentioned pavement crack detection device is in use, the detection operation range of its structural parts is relatively narrow, and there are debris or dust on the road surface to be detected, which can easily cover the road surface cracks and affect the accuracy of the detection operation; therefore, a pavement crack detection device is proposed to address the above problems. Utility Model Content

[0005] In order to make up for the deficiencies of the prior art and solve some existing problems of pavement crack detection devices, the utility model proposes a pavement crack detection device.

[0006] The technical solution adopted by the utility model to solve the technical problem is as follows: a road crack detection device described in the utility model comprises a bottom plate; support blocks are fixedly connected at the four corners of the bottom of the bottom plate; a fixed groove is provided at one end of the top of the bottom plate; an auxiliary detection device is installed on the bottom plate; the auxiliary detection device comprises a moving groove; a moving groove is provided at one end of the top end surface of the bottom plate away from the fixed groove; the moving groove runs through the body of the bottom plate; a screw is rotatably installed inside the moving groove; a moving block is sleeved and installed outside the cross section of the screw; a detection probe is installed at the bottom of the moving block;

[0007] A fixing frame is fixedly connected to the vertical surface of the bottom plate near the movable groove; a rotating shaft is rotatably mounted on the fixing frame; a cleaning brush is mounted on the outside of the cross section of the rotating shaft; a power device is mounted on the fixing frame near the bottom plate; a connecting member of the power device is connected to the rotating shaft; the rotating trajectory of the cleaning brush is in contact with the ground; the rotating trajectories of the cleaning brushes intersect with each other; the operating range of the detection structure is expanded, and the cleaning of the road surface to be detected is achieved.

[0008] Preferably, a small motor is installed on the side of the base plate; the end of the output shaft of the small motor is inserted into the movable groove and connected to the screw rod; thus providing power for the rotation of the screw rod.

[0009] Preferably, a detection device is arranged inside the fixed groove; a connecting line is installed on the detection device; the connecting end of the connecting line passes through the moving block and is connected to the detection probe; thus, the detection of the road surface is realized.

[0010] Preferably, convex slots are symmetrically provided on both sides of the top of the cross bar of the fixing frame; a convex block is provided inside the convex slot; a push plate is fixedly connected to the end of the convex block; the horizontal plane where the bottom end surface of the push plate is located is lower than the horizontal plane where the bottom end surface of the fixing frame is located; so that the push plate can operate smoothly.

[0011] Preferably, fixing holes are provided on the vertical plates on both sides of the fixing frame; the fixing holes pass through the space opened by the convex card slot; an insertion hole is provided on the vertical side surface of the convex card block; an insertion rod is inserted into the insertion hole and the fixing hole; the stability of the push plate during operation is ensured.

[0012] Preferably, a moving device is installed at the bottom of the support block; a driving device is installed at the bottom of the base plate; the driving device acts on the moving device; the smooth movement of the moving device is ensured, so that the detection device can move smoothly.

[0013] The utility model is beneficial in that:

[0014] The utility model adopts the structural design of the auxiliary detection device, the convex card block is inserted into the inside of the convex card slot, and the insertion rod is inserted into the inside of the insertion hole and the fixing hole, so that the push plate is fixed on the fixing frame. Subsequently, the driving device is started to operate the mobile device and drive the bottom plate to move to a suitable position. With the cooperation of the push plate, large debris on the road surface can be pushed away, and the power device on the fixing frame is turned on, and the rotating shaft drives the cleaning brush to rotate, so as to achieve the effect of cleaning small debris on the road surface. At the same time, the detection device and the small motor are started, the screw rod inside the mobile slot rotates, and the mobile block drives the detection probe to move back and forth, thereby expanding the detection range of the road surface and preventing the debris and debris from blocking the road surface and affecting the accuracy of the detection result. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0016] Figure 1 It is an isometric structural diagram;

[0017] Figure 2 is a schematic diagram of the structure of the base plate;

[0018] Figure 3 for Figure 1 A schematic diagram of the enlarged structure at A in the middle;

[0019] Figure 4 It is a structural schematic diagram of the push plate;

[0020] Figure 5 for Figure 2 Schematic diagram of the enlarged structure at point B in the middle.

[0021] In the figure: 1, bottom plate; 2, support block; 3, fixed groove; 401, moving groove; 402, screw; 403, moving block; 404, detection equipment; 405, connecting line; 406, detection probe; 407, small motor; 408, fixed frame; 409, rotating shaft; 410, cleaning brush; 411, power device; 412, convex card slot; 413, convex card block; 414, push plate; 415, socket; 416, fixing hole; 417, plug rod; 418, moving device; 419, driving device. DETAILED DESCRIPTION

[0022] 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.

[0023] See also Figure 1-5As shown, a road crack detection device comprises a bottom plate 1; support blocks 2 are fixedly connected at the four corners of the bottom of the bottom plate 1; a fixing groove 3 is provided at one end of the top of the bottom plate 1; an auxiliary detection device is installed on the bottom plate 1; the auxiliary detection device comprises a moving groove 401; a moving groove 401 is provided at one end of the top end surface of the bottom plate 1 away from the fixing groove 3; the moving groove 401 penetrates the body of the bottom plate 1; a screw rod 402 is rotatably installed inside the moving groove 401; a moving block 403 is sleeved and installed outside the cross section of the screw rod 402; a detection probe 406 is installed at the bottom of the moving block 403;

[0024] A fixing frame 408 is fixedly connected to the vertical surface of the bottom plate 1 near the movable groove 401; a rotating shaft 409 is rotatably mounted on the fixing frame 408; a cleaning brush 410 is mounted on the outside of the cross section of the rotating shaft 409; a power device 411 is mounted on the fixing frame 408 near the bottom plate 1; a connecting member of the power device 411 is connected to the rotating shaft 409; the rotating track of the cleaning brush 410 is in contact with the ground; the rotating tracks of the cleaning brushes 410 intersect; a small motor 407 is mounted on the side of the bottom plate 1; the output shaft end of the small motor 407 is inserted into the movable groove 401 and connected to the screw 402; a detection device 404 is arranged inside the fixing groove 3; a connecting line 405 is mounted on the detection device 404; the connecting end of the connecting line 405 passes through the movable block 403 and is connected to the detection probe 406;

[0025] When working, the pavement crack detection device is a device used to detect cracks on the road surface. These devices usually use various sensors and image processing technologies to monitor the cracks on the road surface in real time to help road maintenance and repair work. When the above-mentioned pavement crack detection device is in use, the detection operation range of its structural parts is narrow, and there are debris or dust on the road surface to be detected, which is easy to cover the road surface gaps and affect the accuracy of the detection operation. The present application operates through an auxiliary detection device, turns on the power device 411 on the fixed frame 408, and the rotating shaft 409 drives the cleaning brush 410 to rotate, so as to achieve the effect of cleaning smaller debris on the road surface. At the same time, the detection device 404 and the small motor 407 are started, the screw 402 inside the movable groove 401 rotates, and the movable block 403 drives the detection probe 406 to move back and forth, thereby expanding the detection range of the road surface and avoiding debris and debris from blocking the road surface and affecting the accuracy of the detection result.

[0026] The top of the crossbar of the fixing frame 408 is symmetrically provided with convex slots 412 on both sides; a convex block 413 is provided inside the convex slot 412; a push plate 414 is fixedly connected to the end of the convex block 413; the horizontal plane where the bottom end face of the push plate 414 is located is lower than the horizontal plane where the bottom end face of the fixing frame 408 is located; fixing holes 416 are provided on the vertical plates on both sides of the fixing frame 408; the fixing holes 416 pass through the space provided by the convex slot 412; a plug hole 415 is provided through the vertical side surface of the convex block 413; an insert rod 417 is inserted inside the plug hole 415 and the fixing hole 416; a moving device 418 is installed at the bottom of the support block 2; a driving device 419 is installed at the bottom of the bottom plate 1; the driving device 419 acts on the moving device 418;

[0027] During operation, the convex block 413 is inserted into the convex slot 412, and the insertion rod 417 is inserted into the insertion hole 415 and the fixing hole 416, so that the push plate 414 is fixed on the fixing frame 408. Subsequently, the driving device 419 is started to operate the moving device 418, driving the bottom plate 1 to move to a suitable position. With the cooperation of the push plate 414, larger debris on the road surface can be pushed away, thereby ensuring the cleanliness of the road surface.

[0028] Working principle: A road crack detection device is a device used to detect cracks on the road surface. These devices usually use various sensors and image processing technologies to monitor the cracks on the road surface in real time to help road maintenance and repair work. When the above-mentioned road crack detection device is in use, the detection operation range of its structural parts is relatively narrow, and there are debris or dust on the road surface to be detected, which can easily cover the road surface gaps and affect the accuracy of the detection operation. The present application uses an auxiliary detection device to operate, insert the convex card block 413 into the inside of the convex card slot 412, and insert the insertion rod 417 into the inside of the insertion hole 415 and the fixing hole 416, so that the push plate 414 is fixed in the fixed On the fixed frame 408, then, start the driving device 419, so that the moving device 418 can operate and drive the bottom plate 1 to move to a suitable position. With the cooperation of the push plate 414, larger debris on the road surface can be pushed away, and the power device 411 on the fixed frame 408 is turned on, and the rotating shaft 409 drives the cleaning brush 410 to rotate, so as to achieve the effect of cleaning smaller debris on the road surface. At the same time, start the detection device 404 and the small motor 407, the screw 402 inside the moving groove 401 rotates, and the moving block 403 drives the detection probe 406 to move back and forth, thereby expanding the detection range of the road surface and preventing debris from blocking the road surface and affecting the accuracy of the detection result.

[0029] In the description of this specification, the description with reference to the terms "one embodiment", "example", "specific example", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0030] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, and these changes and improvements fall within the scope of the utility model to be protected.

Claims

1. A road crack detection device, comprising a base plate (1); support blocks (2) are fixedly connected at the four corners of the bottom of the base plate (1); a fixing groove (3) is provided at one end of the top of the base plate (1); an auxiliary detection device is installed on the base plate (1); the characteristics are: The auxiliary detection device comprises a movable groove (401); a movable groove (401) is provided at one end of the top end surface of the bottom plate (1) away from the fixed groove (3); the movable groove (401) penetrates the body of the bottom plate (1); a screw rod (402) is rotatably mounted inside the movable groove (401); a movable block (403) is sleeved and mounted outside the cross section of the screw rod (402); a detection probe (406) is mounted at the bottom of the movable block (403); A fixing frame (408) is fixedly connected to the vertical surface of the bottom plate (1) close to the movable groove (401); a rotating shaft (409) is rotatably mounted on the fixing frame (408); a cleaning brush (410) is mounted outside the cross section of the rotating shaft (409); a power device (411) is mounted on the fixing frame (408) close to the bottom plate (1); a connecting member of the power device (411) is connected to the rotating shaft (409); the rotating tracks of the cleaning brushes (410) are in contact with the ground; and the rotating tracks of the cleaning brushes (410) intersect with each other.

2. A road crack detection device according to claim 1, characterized in that: A small motor (407) is installed on the side of the base plate (1); the output shaft end of the small motor (407) is inserted into the moving groove (401) and connected to the screw rod (402).

3. A road crack detection device according to claim 2, characterized in that: A detection device (404) is arranged inside the fixing groove (3); a connecting line (405) is installed on the detection device (404); and a connecting end of the connecting line (405) passes through the moving block (403) and is connected to the detection probe (406).

4. A road surface crack detection device according to claim 3, characterized in that: The top of the crossbar of the fixing frame (408) is symmetrically provided with convex slots (412); a convex block (413) is provided inside the convex slot (412); a push plate (414) is fixedly connected to the end of the convex block (413); the horizontal plane where the bottom end surface of the push plate (414) is located is lower than the horizontal plane where the bottom end surface of the fixing frame (408) is located.

5. A road surface crack detection device according to claim 4, characterized in that: The fixing frame (408) has fixing holes (416) on both sides of the vertical plate body; the fixing holes (416) penetrate the opening space of the convex card slot (412); the convex card block (413) has an insertion hole (415) on the vertical side surface; and an insertion rod (417) is inserted into the insertion hole (415) and the fixing hole (416).

6. A road surface crack detection device according to claim 4, characterized in that: A moving device (418) is installed at the bottom of the support block (2); a driving device (419) is installed at the bottom of the base plate (1); and the driving device (419) acts on the moving device (418).

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