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Cable rope steel wire detection mechanism based on leakage magnetic flux detection

A detection mechanism and magnetic flux leakage technology, applied in the direction of material magnetic variables, etc., can solve the problem of not being able to reflect the broken wire of the cable stay, and achieve the effect of improving the ability to distinguish defects, improve stability, and improve the ability to overcome obstacles

Inactive Publication Date: 2018-07-24
SOUTHEAST UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, the video can only see the defects on the surface of the stay cable, and cannot reflect the broken wires inside the stay cable

Method used

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  • Cable rope steel wire detection mechanism based on leakage magnetic flux detection
  • Cable rope steel wire detection mechanism based on leakage magnetic flux detection

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Embodiment Construction

[0021] The technical solution of the present invention will be described in detail below in combination with the embodiments and the accompanying drawings.

[0022] Such as figure 1 with figure 2 As shown, the cable steel wire detection mechanism based on magnetic leakage flux detection of the present invention includes a car body 1, a flaw detection module 2 connected to the car body and a connecting mechanism 3 connecting the car body and the driving car (not shown). The vehicle body includes an upper mounting ring 11 , a lower mounting ring 17 and a connecting rod 13 , the upper mounting ring includes an upper mounting half ring and a mounting piece 12 , and the connecting rod includes a central tube and a rod end connector 14 . The flaw detection module is composed of a fixed plate 23 , a flaw detection wheel 25 , an armature 26 , a magnet 27 and a cover plate 28 . The armature 26 is connected on the fixed plate 23 , the magnet 25 is adsorbed on the armature 26 , the co...

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PUM

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Abstract

The invention discloses a cable rope steel wire detection mechanism based on leakage magnetic flux detection. The cable rope steel wire detection mechanism comprises a vehicle body, flaw detection modules connected onto the vehicle body and a connecting mechanism for connecting the vehicle body and a driving vehicle, wherein the vehicle body comprises an upper mounting ring, a lower mounting ringand a connecting rod; the upper mounting ring comprises an upper mounting semi-ring and a mounting sheet; the connecting rod comprises a central pipe and a rod end connecting part. Each flaw detectionmodule is composed of a fixing plate, flaw detection wheels, an armature, a magnet and a cover plate; the armature is connected onto the fixing plate; the magnet is adsorbed on the armature; the cover plate is adsorbed on the magnet; a sensor is mounted on the cover plate; the flaw detection wheels are mounted at two ends of the fixing plate. The flaw detection modules are connected with the vehicle body through safety buckles and ropes; the flaw detection modules are connected through a tension spring. The connecting mechanism is composed of a traction rod, a fisheye bearing and a mounting lug piece.

Description

technical field [0001] The invention is a steel cable and steel wire detection mechanism based on magnetic flux leakage detection, and belongs to the field of robot application. Background technique [0002] With the rapid development of the domestic economy, bridges, as economic infrastructure, have also developed rapidly. Cable-stayed bridges have been widely used all over the world due to their advantages such as large spans, beautiful shapes, convenient construction, and simple structures. However, as the main stress-bearing components of the cable-stayed bridge, the cable-stayed cable is exposed to the air for a long time after the cable-stayed bridge is built, and is affected by wind and rainfall. The polyethylene PE sheath on the cable surface is prone to hardening, aging or even falling off. , or due to local defects caused by irregular construction, or even broken wires, endangering the lives of vehicles and pedestrians on the bridge. Therefore, internal and extern...

Claims

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Application Information

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IPC IPC(8): G01N27/83
CPCG01N27/83
Inventor 王兴松吴志勇
Owner SOUTHEAST UNIV
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