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Detecting system of bridge cable

A detection system and bridge cable technology, applied in bridges, bridge parts, bridge construction, etc., can solve problems such as safety accidents, bridge cable detection system complex structure, unstable operation, etc., to achieve reliable work, simple structure, friction optimal effect

Active Publication Date: 2013-07-10
CHINA RAILWAY BRIDGE SCI RES INST LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0010] The technical problem to be solved by the present invention is to solve the problem that the existing bridge cable detection system has complex structure, unstable operation and easy to cause safety accidents

Method used

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  • Detecting system of bridge cable
  • Detecting system of bridge cable
  • Detecting system of bridge cable

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Embodiment Construction

[0035] The present invention will be described in detail below in conjunction with the accompanying drawings.

[0036] Such as Figure 1-Figure 5 As shown, the bridge cable detection system provided by the present invention includes a crawling robot and a signal processing device, and the crawling robot includes a crawling device and a damage detection device.

[0037] The crawling device includes a casing 5, two clamping mechanisms and a supporting mechanism. The casing 5 is provided with a herringbone bracket, and two clamping mechanisms are arranged at intervals along the axial direction of the bridge cable 7, and each clamping mechanism includes two stepping motors 1 arranged at intervals along the axial direction of the bridge cable 7, and the stepping motor 1 They are respectively fixed on the two sides of the herringbone support, and the motor shafts are respectively perpendicular to the corresponding sides and extend into the housing 5 , and the motor shafts are fixed...

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Abstract

The invention discloses a detecting system of a bridge cable. The detecting system comprises a climbing robot and a signal processing device. The climbing robot comprises a climbing device and a flaw detecting device. The climbing device comprises at least two clamping mechanisms and a supporting mechanism. Each clamping mechanism comprises two motors arranged at intervals along the axial direction of the bridge cable, the motors are fixed on two lateral sides of a herringbone support respectively, and motor shafts are perpendicular to corresponding lateral sides respectively and extend into a casing. Cylindrical rollers are fixedly arranged on the motor shafts, the supporting mechanism is arranged in the casing in rotating mode and matched with the cylindrical rollers to form triangular clamping force to clamp the outer circumferential face of the bridge cable. By adjusting the length of a pull rod, clamping force of the climbing device on the bridge cable is adjusted so as to enable the friction between the climbing robot and the bridge cable to be optimal. Excessive clamping or slippery in an operation process is prevented, the climbing robot is guaranteed to operate stably, and the structure is simple.

Description

technical field [0001] The invention relates to the detection of a bridge cable system, in particular to a detection system of a bridge cable. Background technique [0002] At present, as a new form of modern bridge, the cable system has been widely used in the world, and a large number of cable-stayed bridges and suspension bridges have been built in my country and other countries. [0003] As one of the main components of cable system bridges, the cost of stay cables accounts for about one-third of the entire bridge. Therefore, its service life is particularly worthy of attention. The main reason for reducing the service life of the cables is that after the completion of cable-stayed bridges and suspension bridges, the cables have been exposed to the air for a long time, and the polyethylene (PE) protective layer on the surface will have different degrees of hardening and aging damage. Steel wire bundles are also corroded by moisture and other acidic substances in the air...

Claims

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Application Information

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IPC IPC(8): E01D19/10
Inventor 汪正兴王波王翔柴小鹏叶觉民黄清侍刚蔡欣朱治宝刘德清叶翔袁建新马远刚
Owner CHINA RAILWAY BRIDGE SCI RES INST LTD
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