| 摘要 |
An in-pipe inspection system comprising a train of cars made up of at least a camera car, a drive car, the train being made to travel in a pipe laid underground, under water or on the ground; a cable connected to the train of cars, the cable being led out from one open end of the pipe and being adapted to be fed or retracted by a capstan as the train of cars travels in selected directions within the pipe; and equipment installed outside the pipe consisting of a control unit, a measuring device, etc., the equipment being connected with the end of the cable; whereby the train of cars is made to travel in the pipe so that pictures of flaws, wear or corrosion in the internal wall of the pipe can be taken by the camera car, and correllative inspection data transmitted through the cable to the equipment for detailed analysis, and whereby movement of the train of cars, and inspection functions performed by such cars as the camera car, are remotely controlled, through the cable, from the outside equipment.
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