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Cable body detection device for cable-stayed bridge cable

A detection device and cable-stayed bridge cable technology, which is applied in bridges, bridge parts, bridge construction, etc., can solve the problems of camera lens deflection, easy to cover the camera, and many backgrounds, so as to meet the requirements of reducing tension and prolonging the service life , the effect of reducing the background area

Pending Publication Date: 2020-12-04
湖南桥康智能科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, there are problems: 1. After taking pictures of the cable body detection, it is necessary to stitch the photos. Before stitching, the parts that are not the cable body in the picture must be removed, and when the camera position cannot be adjusted, it will cause the background of the cable body in the photo. Too much will seriously affect the processing results of the pictures. In addition, sometimes it is necessary to adjust the camera for detailed shooting at a certain position, but the existing mechanism cannot adjust the position of the camera in real time.
2. The use of conventional lifting structures such as cylinders, oil cylinders, and screw mechanisms can easily block the camera’s photographing light, and the use of connecting rods to adjust the position of the camera will easily deflect the camera lens and change the camera’s camera angle. Cause subsequent images to be difficult to splicing

Method used

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  • Cable body detection device for cable-stayed bridge cable
  • Cable body detection device for cable-stayed bridge cable
  • Cable body detection device for cable-stayed bridge cable

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0033] like Figure 1-5 The shown cable body detection device for cable-stayed bridge cables includes a casing, a cavity 1 is formed inside the casing, a climbing cable mechanism is installed in the cavity 1, and a distance adjustment is installed on the casing. The mechanism 2 is connected with a cable camera 3; the distance adjustment mechanism 2 includes at least three connecting rods 4 that are parallel to each other, one end of the connecting rod 4 is hingedly connected to the housing, and the other end is hingedly connected to the cable camera 3, of which at least one connecting rod 4 A rotating mechanism 5 is connected.

[0034] The camera head of the cable camera 3 is arranged perpendicular to the axis of the housing. The cable cameras 3 are evenly arranged along the circumferential direction of the housing; there are at least three cable cameras 3 . The casing includes an upper casing 6 and a lower casing 7, and the upper casing 6 and the lower casing 7 are hingedly...

Embodiment 2

[0039] On the basis of Example 1, the one-way damper is improved as follows:

[0040] like Figure 8 and Figure 9 As shown, the one-way damper includes a one-way bearing 20 fixed on the rotating shaft 10, and a shaft sleeve 21 is fixed outside the one-way bearing 20; the shaft sleeve 21 is formed with a number of M3 threaded holes 22; The outer ring of the bearing and the shaft sleeve 21; the shaft sleeve 21 is connected with the tensioner 9 through M4 bolts; the rotating shaft 10 is connected with the output shaft of the linear motor 25; the positive and negative electrodes of the linear motor are electrically connected to form a closed loop. Specifically, the end of the rotating shaft 10 is connected with a first bevel gear 23 , the first bevel gear 23 is meshed with a second bevel gear 24 , and the second bevel gear 24 is connected to the output shaft of the linear motor 25 .

[0041] In this way, when the device climbs up, the tensioning wheel rotates in the positive di...

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PUM

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Abstract

The invention discloses a cable body detection device for a cable-stayed bridge cable, and the device comprises a housing, a cavity is formed in the housing, a cable climbing mechanism is disposed inthe cavity, and the housing is provided with cable cameras which are connected through a distance adjustment mechanism. A distance adjusting mechanism comprises at least three parallel connecting rods, one end of each connecting rod is hinged to the housing, the other end of each connecting rod is hinged to one cable camera, and at least one connecting rod is connected with a rotating mechanism. When the cable cameras are adjusted, it can be guaranteed that the orientations of all the cable cameras and the cable body of the cable-stayed bridge cable are kept unchanged all the time, the distance between the cable cameras and the cable-stayed bridge cable can be adjusted according to needs, and therefore the background area of a picture is reduced, and the splicing difficulty of the picturein the later period is greatly reduced.

Description

technical field [0001] The invention relates to the field of bridge detection, in particular to a cable body detection device for cables of a cable-stayed bridge. Background technique [0002] As a new type of modern bridges, cable-stayed bridges have gradually become the main form of long-span bridges. In my country, long-span cable-stayed bridges have become the most important type of large-scale bridges in China due to their reasonable load distribution structure, good seismic performance and low construction cost. At present, there are more than 800 large-scale cable bridges in the world, and my country accounts for nearly 400, ranking first in the world. However, in recent years, the accidents of cable-stayed bridges have become more and more frequent. Therefore, how to ensure the safety of cable-stayed bridges during their use and how to improve the in-service time of cable-stayed bridges is an important research topic. [0003] "Technical Specifications for Maintena...

Claims

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Application Information

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IPC IPC(8): E01D19/10
CPCE01D19/10E01D19/106
Inventor 刘荣万智周朗明杨玉坤童宸鹏李渊周赞
Owner 湖南桥康智能科技有限公司