| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide an intra-pipe moving device capable of advancing, retiring and rotating in a pipe with a small and simple structure. SOLUTION: This intra-pipe moving device is equipped with plural rod shaped elastic members provided on an outer peripheral surface of a main body of the intra-pipe moving device and extending in a same direction in a predetermined tilt angle so as to support the main body of the intra-pipe moving device in a center part of the pipe, a control means for changing the direction of the elastic members, and a vibration means for vibrating the device body.</p> |
