Cable-stayed bridge cable detection device

Abstract

The utility model provides a cable-stayed bridge stay cable detection device comprising an installation box, two sides of the installation box are movably provided with adjusting plates through adjusting mechanisms, one end of each adjusting plate is fixedly provided with an installation rack, and the bottom of the installation box and the interior of the installation rack are provided with rollers in a limiting rotation manner. A hand wheel and an adjusting screw rod are rotated, the adjusting screw rod drives an extrusion plate to move upwards along a sliding rod and extrudes an adjusting plate, the adjusting plate drives a mounting frame and a roller to extrude the lower portions of the two sides of the inhaul cable body, and therefore the device can be mounted on the inhaul cable body, and the roller is driven by a servo motor to rotate; therefore, the device can move on the inhaul cable body, the stability of the device is high, a shot picture is stable, and the accuracy of a detection result is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of cable detection, in particular to a cable detection device for a cable-stayed bridge. Background Art

[0002] The Chinese invention patent with publication number 10904066B proposes a monitoring device for cable-stayed bridge cables and a detection method thereof, including a climbing system, an image acquisition device and a ground receiving device. The climbing system is connected to the image acquisition device, and the image acquisition device includes an annular bracket, a plurality of wireless cameras and at least 3 guide wheels. The wireless camera and the guide wheel are both arranged on the annular bracket, and the plurality of wireless cameras are evenly distributed along the annular structure of the annular bracket. The ground receiving device includes a display device and a wireless communication module.

[0003] This solution uses a helium balloon to drive the annular bracket to move on the cable of the cable-stayed bridge. However, as the height of the cable-stayed bridge cables gradually increases, the height of the helium balloon will also increase. The helium balloon is affected by the high-altitude wind, making it easy for the helium balloon to shake, resulting in low stability of the detection device, affecting the image of the cable-stayed bridge cables taken by the wireless camera, causing deviations in the detection results.

[0004] To this end, the utility model provides a cable detection device for a cable-stayed bridge. Utility Model Content

[0005] In view of the shortcomings of the prior art, the purpose of the utility model is to provide a cable-stayed bridge cable detection device to solve the problems raised in the above-mentioned background technology. The utility model drives the roller to rotate by a servo motor, so that the device can move on the cable body. The device is highly stable, the captured image is stable, and the accuracy of the detection result is improved.

[0006] In order to achieve the above-mentioned purpose, the utility model is implemented through the following technical scheme: a cable-stayed bridge cable detection device, including an installation box, adjustment plates are movably installed on both sides of the installation box through an adjustment mechanism, a mounting frame is fixedly provided at one end of the adjustment plate, rollers are installed at the bottom of the installation box and the inside of the installation frame for limited rotation, a servo motor is fixedly provided on the outer wall of the bottom end of the installation box, the output shaft of the servo motor is fixedly connected to one end of the roller, the front end of the installation box and the installation frame are installed with installation rings through the installation mechanism, wireless cameras are fixedly installed on the inner wall of the installation ring in a circular shape with equal intervals, and a cable body is provided between the rollers.

[0007] Furthermore, the shape of the mounting frame is "U"-shaped, and one end of the adjustment plate is movably mounted inside the two ends of the mounting box through a torsion spring shaft.

[0008] Furthermore, the adjustment mechanism includes an adjustment screw, the adjustment screw is installed inside the installation box for limited rotation, and a hand wheel is fixedly installed on the top end of the adjustment screw.

[0009] Furthermore, sliding rods are symmetrically fixedly arranged inside the corresponding installation box on both sides of the adjusting screw, and an extrusion plate is slidably installed on the sliding rods.

[0010] Furthermore, the extrusion plate is screwed onto the adjusting screw rod through a screw hole, and the extrusion plate is arranged at the bottom of one end of the adjusting plate and contacts the bottom thereof.

[0011] Furthermore, the installation mechanism includes a socket and an insertion rod, and the socket is respectively opened inside the front end of the installation box and the installation frame.

[0012] Furthermore, one side of the insertion hole is threadedly mounted on a fastening bolt corresponding to the inner part of the outer wall of the mounting frame, and one end of the fastening bolt is arranged inside the insertion hole.

[0013] Furthermore, through holes are symmetrically provided on one side of the mounting ring, and the insertion rods are fixedly provided with the rear end of the mounting ring at equal distances.

[0014] The beneficial effects of the utility model are as follows: the utility model is a cable-stayed bridge cable detection device that rotates a hand wheel and an adjusting screw, and the adjusting screw drives the extrusion plate to move upward along the sliding rod and squeeze the adjusting plate, so that the adjusting plate drives the mounting frame and the roller to squeeze the lower parts of the two sides of the cable body, so that the device can be installed on the cable body, and the roller is driven to rotate by a servo motor, so that the device can be moved on the cable body. The device has high stability, and the captured picture is stable, which improves the accuracy of the detection result; the mounting ring can be installed by means of the insertion rod and the insertion hole, and the insertion rod is fixed by the fastening bolt, which is convenient for setting the camera on the outside of the cable body, convenient for shooting the surface of the cable body, and convenient for detecting the cable body, and has high practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a structural diagram of a cable-stayed bridge cable detection device of the utility model;

[0016] Figure 2 This is a structural diagram of an adjustment plate of a cable-stayed bridge cable detection device of the utility model;

[0017] Figure 3 This is a front cross-sectional view of a cable-stayed bridge cable detection device of the utility model;

[0018] Figure 4 The utility model is a cable-stayed bridge cable detection device Figure 3 Enlarged view of point A in the middle;

[0019] In the figure: 1. Installation box; 2. Adjustment mechanism; 3. Adjustment plate; 4. Mounting frame; 5. Roller; 6. Socket; 7. Insertion rod; 8. Fastening bolt; 9. Mounting ring; 10. Wireless camera; 11. Servo motor; 12. Cable body; 13. Adjustment screw; 14. Extrusion plate; 15. Sliding rod. DETAILED DESCRIPTION

[0020] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0021] See also Figures 1 to 4 The utility model provides a technical solution: a cable-stayed bridge cable detection device, comprising an installation box 1, adjustment plates 3 are movably installed on both sides of the installation box 1 through an adjustment mechanism 2, a mounting frame 4 is fixedly arranged at one end of the adjustment plate 3, rollers 5 are fixedly installed on the bottom of the installation box 1 and the inside of the mounting frame 4 for limited rotation, a servo motor 11 is fixedly arranged on the outer wall of the bottom end of the installation box 1, the output shaft of the servo motor 11 is fixedly connected to one end of the roller 5, a mounting ring 9 is installed on the front end of the installation box 1 and the mounting frame 4 through a mounting mechanism, a wireless camera 10 is fixedly installed on the inner wall of the installation ring 9 in a circular and equidistant manner, a cable body 12 is arranged between the rollers 5, the rollers 5 are driven to rotate by the servo motor 11, so that the device can move along the cable body 12, the device has high stability, and can ensure the accuracy of detection.

[0022] In this embodiment, the shape of the mounting frame 4 is "U"-shaped, one end of the adjustment plate 3 is movably mounted inside the two ends of the mounting box 1 through a torsion spring shaft, the adjustment mechanism 2 includes an adjustment screw 13, the adjustment screw 13 is limited and rotated inside the mounting box 1, a hand wheel is fixedly mounted on the top of the adjustment screw 13, and sliding rods 15 are symmetrically fixedly arranged on both sides of the adjustment screw 13 corresponding to the inside of the mounting box 1, and an extrusion plate 14 is slidably mounted on the slide rod 15, and the extrusion plate 14 is screwed on the adjustment screw 1 through a screw hole. 3, the squeezing plate 14 is arranged at the bottom of one end of the adjusting plate 3 and contacts with the bottom thereof, and the hand wheel and the adjusting screw 13 are turned, and the adjusting screw 13 drives the squeezing plate 14 to move upward to squeeze the adjusting plate 3, so that the adjusting plate 3 drives the mounting frame 4 and the roller 5 to squeeze the bottoms of both sides of the cable body 12, so that the device is conveniently installed on the cable body 12, and the hand wheel and the adjusting screw 13 are turned in the opposite direction, and the adjusting plate 3 can rotate to both sides under the torsion of the torsion spring shaft, so that the device can be disassembled and removed conveniently, and the operation is simple and convenient.

[0023] In this embodiment, the installation mechanism includes a socket 6 and a rod 7. The socket 6 is respectively opened inside the installation box 1 and the front end of the mounting frame 4. One side of the socket 6 corresponds to the inner wall of the mounting frame 4 and is screwed on the fastening bolt 8. One end of the fastening bolt 8 is set inside the socket 6. One side of the mounting ring 9 is symmetrically provided with through holes. The rod 7 is equidistantly fixed with the rear end of the mounting ring 9. The rod 7 is inserted into the interior of the socket 6 and fixed by the fastening bolt 8, so that the mounting ring 9 and the wireless camera 10 are conveniently installed on the outside of the cable body 12, and the surface of the cable body 12 is conveniently photographed by the wireless camera 10.

[0024] When using the cable detection device for the cable-stayed bridge, the detection device is placed on the top of the cable body 12 through the roller 5 at the bottom of the installation box 1, and the roller 5 is in contact with the top of the cable body 12, and the hand wheel is turned. The hand wheel drives the adjusting screw 13 to rotate inside the installation box 1, and the adjusting screw 13 is threaded to drive the extrusion plate 14 to slide upward under the limit of the slide rod 15, and at the same time, one end of the adjustment plate 3 on both sides is squeezed. The adjustment plate 3 rotates toward both sides of the cable body 12 through the torsion spring shaft, and drives the mounting frame 4 and the roller 5 inside it to squeeze the bottom of both sides of the cable body 12, so as to facilitate the installation of the detection device on the cable body 12. The mounting ring 9 is an annular body made of elastic plate. The mounting ring 9 is installed on the outside of the cable body 12 by bending the two ends of the mounting ring 9 to both sides. , and loosen the mounting ring 9, insert the insertion rod 7 on the rear side of the mounting ring 9 into the corresponding socket 6, rotate the fastening bolt 8 on the mounting frame 4, and the fastening bolt 8 squeezes and fixes the insertion rod 7, so that the mounting ring 9 and the wireless camera 10 are conveniently installed on the outside of the cable body 12, and a battery is installed on the rear side of the mounting box 1. The battery is powered by the servo motor 11, and the roller 5 is driven to rotate by the servo motor 11, so that the device can be moved on the cable body 12, which is convenient for shooting the surface of the cable body 12. The device has high stability, the captured picture is stable, and the accuracy of the detection result is improved; a wireless receiving device and a host are set on the ground, which can receive the surface of the cable body 12 captured by the wireless camera 10, which is convenient for observing and detecting the surface of the cable body 12, and has high practicality.

[0025] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A cable-stayed bridge cable detection device, comprising an installation box (1), characterized in that: Adjustment plates (3) are movably mounted on both sides of the installation box (1) through an adjustment mechanism (2); a mounting frame (4) is fixedly mounted on one end of the adjustment plate (3); rollers (5) are mounted on the bottom of the installation box (1) and the inside of the mounting frame (4) for limited rotation; a servo motor (11) is fixedly mounted on the outer wall of the bottom end of the installation box (1); the output shaft of the servo motor (11) is fixedly connected to one end of the roller (5); a mounting ring (9) is mounted on the front end of the installation box (1) and the mounting frame (4) through a mounting mechanism; wireless cameras (10) are fixedly mounted on the inner wall of the installation ring (9) in a circular shape and at equal intervals; and a cable body (12) is arranged between the rollers (5).

2. A cable-stayed bridge cable detection device according to claim 1, characterized in that: The shape of the mounting frame (4) is "U"-shaped, and one end of the adjustment plate (3) is movably mounted inside the two ends of the mounting box (1) via a torsion spring rotating shaft.

3. A cable-stayed bridge cable detection device according to claim 2, characterized in that: The adjusting mechanism (2) comprises an adjusting screw (13), the adjusting screw (13) being mounted inside the mounting box (1) for limited rotation, and a hand wheel being fixedly mounted on the top end of the adjusting screw (13).

4. A cable-stayed bridge cable detection device according to claim 3, characterized in that: Sliding rods (15) are symmetrically fixedly arranged on both sides of the adjusting screw rod (13) corresponding to the interior of the mounting box (1), and a pressing plate (14) is slidably mounted on the sliding rod (15).

5. A cable-stayed bridge cable detection device according to claim 4, characterized in that: The extrusion plate (14) is screwed onto the adjusting screw rod (13) through a screw hole, and the extrusion plate (14) is arranged at the bottom of one end of the adjusting plate (3) and contacts the bottom thereof.

6. A cable-stayed bridge cable detection device according to claim 1, characterized in that: The installation mechanism comprises a socket (6) and an insertion rod (7), and the socket (6) is respectively arranged inside the front end of the installation box (1) and the installation frame (4).

7. A cable-stayed bridge cable detection device according to claim 6, characterized in that: One side of the insertion hole (6) is threadedly mounted on a fastening bolt (8) corresponding to the inner part of the outer wall of the mounting frame (4), and one end of the fastening bolt (8) is arranged inside the insertion hole (6).

8. A cable-stayed bridge cable detection device according to claim 7, characterized in that: Through holes are symmetrically provided on one side of the mounting ring (9), and the insertion rod (7) is fixedly provided with the rear end of the mounting ring (9) at equal distances.

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