Bridge asphalt pavement crack detection device

By introducing a protective mechanism into the bridge asphalt pavement crack detection device, the detection probe is moved by a motor-driven threaded rod and conveyor belt, and closed protection is achieved through gear meshing. This solves the problem of easy damage to the detection probe and ensures the stability and efficiency of the detection.

CN223660576UActive Publication Date: 2025-12-12JINAN YONGCHANG ROAD & BRIDGE ENG CO LTD
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Patent Information

Application Number
CN202422145439.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-02
Publication Date
2025-12-12
Estimated Expiration
2034-09-02

AI Technical Summary

Technical Problem

The detection probes of existing bridge asphalt pavement crack detection devices lack effective protection when not in use, and are easily damaged by external impacts or bumps, affecting the detection results.

Method used

A protective mechanism comprising a starting component, a moving component, and a closing component was designed. The detection probe is moved by a motor-driven threaded rod and a conveyor belt, and the detection probe is closed and protected by the meshing of gears and toothed plates.

Benefits of technology

This effectively prevents damage to the detection probe when it is not in use, ensuring the quality and efficiency of bridge asphalt pavement crack detection and extending the service life of the device.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to a bridge asphalt pavement crack detection device, and belongs to the technical field of road detection, the bridge asphalt pavement crack detection device comprises a bottom plate, a working box is fixed on the upper surface of the bottom plate, a push rod is fixed on the right side of the working box, a mounting seat is fixed on the left side of the bottom plate, and an electric cylinder is fixed on the lower surface of the mounting seat; a cleaning brush is fixed to the bottom of the electric air cylinder, a protection box is fixed to the right side of the working box, and a protection plate is fixed to the upper surface of the protection box. According to the bridge asphalt pavement crack detection device, a motor is started to drive a first threaded rod and a second threaded rod to rotate, so that a moving block drives a connecting rod and a detection probe to move, meanwhile, a connecting plate can be driven to move through meshing force until the detection probe moves into a protection box, and the connecting plate can also seal a moving hole; when the device is not used, the detection probe can have effective protection measures, and the possibility that the detection probe is damaged when being impacted or collided by external force is effectively reduced.
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Description

TECHNICAL FIELD

[0001] The application relates to the technical field of road detection, in particular to a bridge asphalt pavement crack detection device. BACKGROUND

[0002] The asphalt pavement refers to various types of pavements constructed by mixing road asphalt materials in mineral materials. Due to the action of driving load and the influence of natural factors, cracks will be generated on the asphalt pavement. If the cracks are not timely repaired, road surface pits will be generated, thereby causing deeper damage to the asphalt pavement. Therefore, municipal workers will use a crack detection device to detect the cracks, so as to perform repair processing.

[0003] For example, a road bridge asphalt pavement crack detection device is disclosed in Chinese Patent (Publication No. CN220079657U), which comprises a vehicle box body, a cleaning unit and a detection unit. The vehicle box body is of a box structure, a circular cleaning hole is formed in the left end of the vehicle box body, the structure is simple and reliable, the use difficulty is low, the detection accuracy is high, and the detection coverage is complete.

[0004] The technical scheme has the following defects. Although the road bridge asphalt pavement crack detection device has the advantages of simple and reliable structure, low use difficulty, high detection accuracy and complete detection coverage, the detection probe lacks effective protection measures in the non-use state. When the device is impacted or bumped by external force, the detection probe is likely to be damaged, thereby affecting the subsequent normal use and detection effect of the device. Therefore, a bridge asphalt pavement crack detection device is proposed to solve the above problems. CONTENT OF THE INVENTION

[0005] In view of the deficiencies of the prior art, the application provides a bridge asphalt pavement crack detection device, which has the advantages of providing protection and solves the problem that the detection probe may be damaged when not in use and subjected to external impact or bumping.

[0006] To achieve the above-mentioned purpose, the application provides the following technical scheme: a bridge asphalt pavement crack detection device, comprising a bottom plate, a working box is fixed on the upper surface of the bottom plate, a push rod is fixed on the right side of the working box, a mounting seat is fixed on the left side of the bottom plate, an electric cylinder is fixed on the lower surface of the mounting seat, a cleaning brush is fixed on the bottom of the electric cylinder, a protection box is fixed on the right side of the working box, a protection plate is fixed on the upper surface of the protection box, a protection mechanism is arranged between the protection box and the protection plate, and a detection probe is arranged on the protection mechanism.

[0007] The protection mechanism comprises a starting assembly, a moving assembly and a closing assembly.

[0008] The starting assembly includes a motor fixed to the upper surface of the protection plate, a first threaded rod, a second threaded rod, two conveyors and a conveyor wheel, the output shaft of the motor is fixed with the first threaded rod which penetrates into the inner cavity of the protection box and is rotatably connected with the inner bottom wall of the protection box through a bearing, the two conveyors are fixed with the outer surfaces of the second threaded rod and the first threaded rod respectively, and the conveyor wheel is drivingly connected between the two conveyors.

[0009] The beneficial effects of the further technical scheme are that the detection probe is effectively protected through the protection mechanism, and the overall quality and efficiency of the bridge asphalt pavement crack detection are further ensured.

[0010] Further, the two ends of the second threaded rod are rotatably connected with the inner bottom wall of the protection box and the inner top wall of the protection plate through bearings, and the upper surface of the protection box is provided with two through holes which are rotatably connected with the first threaded rod and the second threaded rod respectively.

[0011] The beneficial effects of the further technical scheme are that the rotation of the second threaded rod is more stable, and the power source for the subsequent moving assembly can be more stably provided.

[0012] Further, the conveyors and the conveyor wheel are located inside the protection plate, and the cross section of the protection plate is U-shaped.

[0013] The beneficial effects of the further technical scheme are that the conveyors and the conveyor wheel are protected, and the operation of the protection mechanism mounting seat and the conveyor wheel is more stable.

[0014] Further, the moving assembly includes two moving blocks which are threadedly connected to the outer surfaces of the first threaded rod and the second threaded rod respectively, a moving plate and a connecting rod, the opposite sides of the two moving blocks are fixed with the left and right sides of the moving plate respectively, and the lower surface of the moving plate is fixed with the top of the connecting rod.

[0015] The beneficial effects of the further technical scheme are that the moving plate and the connecting rod can be moved by the rotation of the moving blocks, and the position of the connecting rod can be adjusted.

[0016] Further, the lower surface of the connecting rod is fixed with the top of the detection probe, and the front and rear sides of the connecting rod slide with the front and rear sides of the inner cavity of the protection box.

[0017] The beneficial effects of the further technical scheme are that the detection probe can be moved by the stable movement of the connecting rod, and the detection probe can be adjusted to move out of or into the protection box.

[0018] Further, the lower surface of the protection box is provided with a moving hole, and the moving hole is slidingly connected with the connecting rod.

[0019] The beneficial effects of the further technical solutions are: the connecting rod can drive the detection probe to move, and the position of the detection probe can be adjusted.

[0020] Further, the closed assembly comprises two gears fixed to the bottom of the outer surfaces of the first threaded rod and the second threaded rod, two guide rods, two toothed plates, two adjusting rods and a connecting plate, the gears are engaged with the toothed plates, the toothed plates are slidingly connected with the guide rods, the top of the adjusting rod is fixed to the bottom of the guide rod, and the opposite sides of the two adjusting rods are fixed to the left and right sides of the connecting plate.

[0021] The beneficial effects of the further technical solutions are: the gears drive the toothed plates to rotate, and then drive the adjusting rods and the connecting plate to move, so that the position of the connecting plate can be adjusted.

[0022] Further, the lower surface of the protective box is provided with two adjusting holes, the adjusting rods penetrate to the outside of the adjusting holes, and the guide rods are fixed between the front and rear sides of the inner cavity of the protective box.

[0023] The beneficial effects of the further technical solutions are: the adjusting rods can move more stably, and the movement of the adjusting rods is more stable.

[0024] Compared with the prior art, the technical solutions of the present application have the following beneficial effects:

[0025] The bridge asphalt pavement crack detection device can drive the first threaded rod and the second threaded rod to rotate by starting the motor, so that the moving block drives the connecting rod and the detection probe to move, and the adjusting rod and the connecting plate can also be driven to move by the engagement force until the detection probe moves into the protective box, and the connecting plate can also close the moving hole, so that the detection probe can have effective protection measures when the device is not used, effectively reducing the possibility of damage to the detection probe when the device is impacted or bumped by external force, and thus ensuring the detection effect of the device on the bridge asphalt pavement crack detection. BRIEF DESCRIPTION OF DRAWINGS

[0026] Figure 1 It is a structural schematic diagram of the present application;

[0027] Figure 2 It is a front structural schematic diagram of the protection mechanism of the present application;

[0028] Figure 3 It is a connecting structure schematic diagram of the adjusting rod and the connecting plate of the present application.

[0029] As shown in the figure, 1 is a bottom plate, 2 is a working box, 3 is a push rod, 4 is a mounting seat, 5 is an electric cylinder, 6 is a protection box, 7 is a protection plate, 8 is a protection mechanism, 801 is a motor, 802 is a first threaded rod, 803 is a second threaded rod, 804 is a conveyor belt, 805 is a conveying wheel, 806 is a moving hole, 807 is a moving block, 808 is a moving plate, 809 is a connecting rod, 810 is a gear, 811 is a guide rod, 812 is a toothed plate, 813 is an adjusting rod, 814 is a connecting plate, 9 is a detection probe, and 10 is a cleaning brush. DETAILED DESCRIPTION

[0030] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, and not all embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative labor fall within the scope of the present application.

[0031] Referring to Figure 1 The bridge asphalt pavement crack detection device in the embodiment comprises a bottom plate 1, a working box 2 fixed on the upper surface of the bottom plate 1, a push rod 3 fixed on the right side of the working box 2, a mounting seat 4 fixed on the left side of the bottom plate 1, an electric cylinder 5 fixed on the lower surface of the mounting seat 4, a cleaning brush 10 fixed on the bottom of the electric cylinder 5, a protection box 6 fixed on the right side of the working box 2, a protection plate 7 fixed on the upper surface of the protection box 6, a protection mechanism 8 arranged between the protection box 6 and the protection plate 7, and a detection probe 9 arranged on the protection mechanism 8.

[0032] It should be noted that the detection probe 9 is effectively protected by the protection mechanism 8, which effectively reduces the damage to the detection probe 9 when it is not in use and is subjected to external impact, thereby further ensuring the overall quality and efficiency of the bridge asphalt pavement crack detection.

[0033] Referring to Figures 1-3, in order to ensure the overall quality and efficiency of the bridge asphalt pavement crack detection, the protection mechanism 8 in the embodiment includes starting assembly, moving assembly and closing assembly, the starting assembly includes the motor 801 fixed on the upper surface of the protection plate 7, the first threaded rod 802, the second threaded rod 803, two conveyors 804 and the transmission wheel 805, the two ends of the second threaded rod 803 are rotatably connected with the inner bottom wall of the protection box 6 and the inner top wall of the protection plate 7 respectively, two through holes are formed in the upper surface of the protection box 6, and the two through holes are rotatably connected with the first threaded rod 802 and the second threaded rod 803 respectively, so that the rotation of the second threaded rod 803 is more stable, thereby the power source for the subsequent moving assembly can be more stably provided, the output shaft of the motor 801 is fixed with the first threaded rod 802, one end of which penetrates into the inner cavity of the protection box 6 and is rotatably connected with the inner bottom wall of the protection box 6, the outer surfaces of the second threaded rod 803 and the first threaded rod 802 are fixed with the two conveyors 804, and the transmission wheel 805 is transmissionally connected between the two conveyors 804, the conveyor 804 and the transmission wheel 805 are located in the interior of the protection plate 7, the cross section of the protection plate 7 is U-shaped, so as to provide protection for the conveyor 804 and the transmission wheel 805, thereby the operation of the conveyor 804 and the transmission wheel 805 can be more stable, the first threaded rod 802 and the transmission wheel 805 are driven to rotate by starting the motor 801, thereby the second threaded rod 803 is driven to rotate, and the power source for the moving assembly is provided.

[0034] The moving assembly includes two moving blocks 807, a moving plate 808 and a connecting rod 809 which are threadedly connected to the outer surfaces of the first threaded rod 802 and the second threaded rod 803 respectively, the opposite sides of the two moving blocks 807 are fixed with the left and right sides of the moving plate 808 respectively, the lower surface of the moving plate 808 is fixed with the top of the connecting rod 809, the lower surface of the connecting rod 809 is fixed with the top of the detection probe 9, the lower surface of the protection box 6 is provided with a moving hole 806, the moving hole 806 is slidingly connected with the connecting rod 809, the front and rear sides of the connecting rod 809 slide with the front and rear sides of the inner cavity of the protection box 6, the moving plate 808 and the connecting rod 809 are driven to move by the rotation of the moving block 807, thereby the position of the connecting rod 809 is adjusted, the detection probe 9 is driven to move by the stable movement of the connecting rod 809, and the detection probe 9 is adjusted to move out of or into the interior of the protection box 6.

[0035] Meanwhile, the closing assembly comprises two gears 810 fixed to the bottom of the outer surfaces of the first threaded rod 802 and the second threaded rod 803, two guide rods 811, two toothed plates 812, two adjusting rods 813 and a connecting plate 814, the gear 810 is engaged with the toothed plate 812, the toothed plate 812 is in sliding connection with the guide rod 811, the top of the adjusting rod 813 is fixed to the bottom of the guide rod 811, the lower surface of the protection box 6 is provided with two adjusting holes, the adjusting rod 813 penetrates to the outside of the adjusting hole, the guide rod 811 is fixed between the front and rear sides of the inner cavity of the protection box 6, so that the adjusting rod 813 can be more stable when moving, the relative side of the two adjusting rods 813 is fixed to the left and right sides of the connecting plate 814, the gear 810 drives the toothed plate 812 to rotate, and then drives the adjusting rod 813 and the connecting plate 814 to move, so as to facilitate the position adjustment of the connecting plate 814.

[0036] In the embodiment, through the operation cooperation of the starting assembly, the moving assembly and the closing assembly, the detection probe 9 can be effectively protected, the damage of the detection probe 9 caused by external force impact or collision in the non-use state of the device can be effectively avoided, and the normal detection function of the device is ensured.

[0037] The electric elements in the present application are electrically connected with the controller and the power supply, the control mode of the present application is controlled by the controller, the control circuit of the controller can be realized by simple programming of the person skilled in the art, the power supply is also the common knowledge in the art, and the present application is mainly used for protecting the mechanical device, therefore, the control mode and the circuit connection of the present application will not be explained in detail.

[0038] The working principle of the above embodiment is as follows:

[0039] When the device does not need to be placed for use, the first threaded rod 802 and the conveyor belt 804 can be rotated by starting the motor 801, the second threaded rod 803 is driven to rotate by the transmission belt of the transmission wheel 805, and then the first threaded rod 802 and the second threaded rod 803 rotate, at this time, the two moving blocks 807 located on the outer surfaces of the first threaded rod 802 and the second threaded rod 803 can drive the moving plate 808 and the connecting rod 809 to move, and then the detection probe 9 can move, and at the same time, the rotation of the first threaded rod 802 and the second threaded rod 803 can drive the two gears 810 to rotate, and then the two toothed plates 812 can move along the guide rod 811, and at the same time, the two adjusting rods 813 can drive the connecting plate 814 to move, until the detection probe 9 moves into the inside of the protection box 6 following the connecting rod 809, at this time, the movement of the connecting plate 814 following the adjusting rod 813 also closes the movement hole 806, effectively avoiding the possibility that the detection probe 9 is damaged when the device is impacted or bumped due to the lack of effective protection measures for the detection probe 9 in the non-use state of the device, further ensuring the normal function of the device, avoiding the reduction of the service life, which may lead to the decline of the detection effect, thereby affecting the overall quality and efficiency of the road bridge asphalt pavement crack detection, according to the above principle, the detection probe 9 can also be moved out for use.

Claims

1. A bridge asphalt pavement crack detection device, comprising a bottom plate (1), characterized in that: The upper surface of the bottom plate (1) is fixedly connected with a working box (2), the right side of the working box (2) is fixedly connected with a push rod (3), the left side of the bottom plate (1) is fixedly connected with a mounting seat (4), the lower surface of the mounting seat (4) is fixedly connected with an electric cylinder (5), the bottom of the electric cylinder (5) is fixedly connected with a cleaning brush (10), the right side of the working box (2) is fixedly connected with a protection box (6), the upper surface of the protection box (6) is fixedly connected with a protection plate (7), the protection box (6) and the protection plate (7) are provided with a protection mechanism (8), and the protection mechanism (8) is provided with a detection probe (9). The protection mechanism (8) comprises a starting assembly, a moving assembly and a closing assembly. The starting assembly comprises a motor (801) fixed to the upper surface of the protection plate (7), a first threaded rod (802), a second threaded rod (803), two conveying belts (804) and a conveying wheel (805), the output shaft of the motor (801) is fixed to the first threaded rod (802) penetrating into the inner cavity of the protection box (6) and being rotatably connected to the inner bottom wall of the protection box (6) through a bearing, the two conveying belts (804) are fixed to the outer surfaces of the second threaded rod (803) and the first threaded rod (802), and the conveying wheel (805) is in transmission connection between the two conveying belts (804).

2. The bridge asphalt pavement crack detection device according to claim 1, characterized in that: Both ends of the second threaded rod (803) are rotatably connected to the inner bottom wall of the protection box (6) and the inner top wall of the protection plate (7) through bearings, and the upper surface of the protection box (6) is provided with two through holes rotatably connected with the first threaded rod (802) and the second threaded rod (803).

3. The bridge asphalt pavement crack detection device according to claim 1, characterized in that: The conveying belt (804) and the conveying wheel (805) are located in the interior of the protection plate (7), and the cross section of the protection plate (7) is U-shaped.

4. The bridge asphalt pavement crack detection device according to claim 1, characterized in that: The moving assembly comprises two moving blocks (807) threadedly connected to the outer surfaces of the first threaded rod (802) and the second threaded rod (803), a moving plate (808) and a connecting rod (809), the opposite sides of the two moving blocks (807) are fixed to the left and right sides of the moving plate (808), and the lower surface of the moving plate (808) is fixed to the top of the connecting rod (809).

5. The bridge asphalt pavement crack detection device according to claim 4, characterized in that: The lower surface of the connecting rod (809) is fixed to the top of the detection probe (9), and the front and rear sides of the connecting rod (809) slide with the front and rear sides of the inner cavity of the protection box (6).

6. The bridge asphalt pavement crack detection device according to claim 4, characterized in that: The lower surface of the protection box (6) is provided with a moving hole (806), and the moving hole (806) is in sliding connection with the connecting rod (809).

7. The bridge asphalt pavement crack detection device according to claim 1, characterized in that: The closed assembly comprises two gear wheels (810) fixed to the bottom of the outer surface of the first threaded rod (802) and the second threaded rod (803), two guide rods (811), two toothed plates (812), two adjusting rods (813) and a connecting plate (814), the gear wheel (810) is engaged with the toothed plate (812), the toothed plate (812) is in sliding connection with the guide rod (811), the top of the adjusting rod (813) is fixed to the bottom of the guide rod (811), and the opposite sides of the two adjusting rods (813) are fixed to the left and right sides of the connecting plate (814).

8. The bridge asphalt pavement crack detection device according to claim 7, characterized in that: The lower surface of the protection box (6) is provided with two adjusting holes, the adjusting rod (813) penetrates to the outside of the adjusting hole, and the guide rod (811) is fixed between the front and rear sides of the inner cavity of the protection box (6).

Citation Information

Patent Citations

  • Road and bridge asphalt pavement crack detection device

    CN220079657U