The small underground power transmission Line inspection track robot is developed. The robot is composed of left and right track walking mechanisms driven independently and camera tripod head with better environmental adaptability and flexibility of movement. The robot is controlled by wireless remote control mode. The portable handheld controller is also developed with communication, control, display and storage function. The inspection work experiment at the cable room of 110kV underground substation has been done using this robot. The result indicates that the inspection robot has better flexibility of movement, better reliability of communication and better convenience of operation, which is the better method for underground power transmission Line inspection.
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