Bridge inhaul cable surface detection device

A bridge cable and surface detection technology, which is applied in the direction of measuring devices, optical testing of defects/defects, and material analysis through optical means, can solve problems such as potential safety hazards, scars, holes, and surface erosion, and achieve reliable detection results , Low equipment failure rate, simple transmission structure

Active Publication Date: 2020-11-10
山西诚信通达试验检测有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Since the protective layer of polyethylene (PE) or high-density polyethylene (HDPE) on the surface of the cable is exposed to the natural environment for a long time and bears alternating loads, it is prone to corrosion damage, resulting in longitudinal cracks, transverse cracks, and surface cracks on the surface of the cable. Defects such as erosion and scar holes
These defects will seriously affect the performance of the cable, and there are potential safety hazards, which need to be detected and identified
At present, manual detection is mainly used at home and abroad, but manual detection is time-consuming, laborious, inefficient, and prone to safety accidents

Method used

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  • Bridge inhaul cable surface detection device
  • Bridge inhaul cable surface detection device
  • Bridge inhaul cable surface detection device

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0040] A bridge cable surface detection device, such as figure 1 , figure 2 and image 3 As shown, it includes a ring bracket 1, an image acquisition device 11, a driving device 9 and an anti-interference cable 2. The ring bracket 1 includes a mounting plate 3, a first hoop 4 and a second hoop 5, and the fixed end of the first hoop 4 It is rotatably connected to one end of the mounting plate 3, and the fixed end of the second hoop plate 5 is rotatably connected to the other end of the mounting plate 3. Both the inner side of the first hoop plate 4 and the inner side of the second hoop plate 5 are provided with support rods 6 , the support rod 6 is provided with a roller 7, and a plurality of rollers 7 are arranged along the circumferential direction of the ring support 1. When the ring support 1 is set on the bridge cable 8, the rollers 7 are in contact with the outer surface of the bridge cable 8. , the roller 7 is used to drive the ring support 1 to move along the length ...

Embodiment 2

[0065]According to the above method, sample I was prepared with the following barium titanate shielding layer 222 and carbon shielding layer 231 in the following weight fractions:

[0066] Components of the carbon shielding layer 231: 6 parts of graphite fiber, 1 part of carbon powder, 3 parts of epoxy resin, 0.2 part of dimethyl silicone oil, 0.15 part of polyphenylene sulfide, 0.07 part of phenolic resin, and 0.05 part of p-xylene.

[0067] The components of barium titanate shielding layer 222: 6 parts of PLA porous microspheres, 6 parts of barium titanate powder, 2 parts of epoxy resin, 0.3 parts of dimethyl silicone oil, 0.2 parts of polyphenylene sulfide, 0.08 parts of phenolic resin, 0.05 parts of xylene.

[0068] According to the above-mentioned method, sample II was prepared with the barium titanate shielding layer 222 and the carbon shielding layer 231 in the following weight fractions:

[0069] Components of the carbon shielding layer 231: 4 parts of graphite fiber,...

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Abstract

The invention discloses a bridge inhaul cable surface detection device which comprises an annular support and an image acquisition device, the annular support comprises a mounting plate, a first hoopplate and a second hoop plate, a plurality of rolling wheels are arranged in the circumferential direction of the annular support, and when the annular support is arranged on an inhaul cable in a sleeving mode, the rolling wheels abut against the outer surface of the inhaul cable; the image acquisition devices are arranged on the inner side wall of the annular support, and the multiple image acquisition devices are arranged in the circumferential direction of the annular support. The inhaul cable surface image is collected through the image collecting devices, electric energy and signal transmission is conducted through the anti-interference cable, the image is checked and recognized through the artificial intelligence technology, and compared with manual detection, the detection process is faster, operation is easy, workers do not need to work high above the ground, safety is high, and the detection result is more reliable.

Description

technical field [0001] The invention relates to the technical field of bridge detection, more specifically, it relates to a bridge cable surface detection device. Background technique [0002] With the rapid development of bridge traffic construction, cable-stayed bridges and suspension bridges of long-span and super-long-span bridges are widely used. Cables are the main stress-bearing components of this type of bridge, and the reliability and durability of the cables will directly affect the safety and service life of the bridge. Since the protective layer of polyethylene (PE) or high-density polyethylene (HDPE) on the surface of the cable is exposed to the natural environment for a long time and bears alternating loads, it is prone to corrosion damage, resulting in longitudinal cracks, transverse cracks, and surface cracks on the surface of the cable. Defects such as erosion and pitted holes. These defects will seriously affect the performance of the cable, and there are...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N21/95
CPCG01N21/9515G01N2021/9518
Inventor 张丽娟
Owner 山西诚信通达试验检测有限公司
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