Detecting System Design of Bridge Cables

In this paper, a new detecting system of bridge cables is designed with a snake-shaped robot. It can solve the problems such as inefficiency and danger of aloft work in the bridge detecting by workers. The detecting system of the bridge cables includes: a snake-shaped robot; a multiple and monocular vision detection module; a nondestructive magnetic leakage detecting module; a magnetostrictive sensing module. The multiple and monocular vision detection module can detect the surface of the bridge cables. The nondestructive magnetic leakage detecting module can detect the inner part of the cables by circumferential multiple loop axial magnetization with the permanent magnets. The magnetostrictive sensing module can detect the cable fatigue and erosion. The detecting system of the bridge cables may adapt to different circumstances and complete space spiral motion, realizing the full range of the detection and increasing the detection efficiency .

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