| 摘要 |
PURPOSE:To provide a running device capable of moving between pipes having different shapes and capable of running even in a sudden stream. CONSTITUTION:Leg cylinders 8a, 8b are connected to the rear end of the cylinder main body 1a of a main cylinder 1 and the leading end of a cylinder rod 1b through shaft joint parts 2a, 2b, 4a, 4b and the legs 29a, 29b opened and closed by the leg cylinders 8a, 8b are constituted. Support legs 15a, 15b are provided to the cylinder main body 1a and the cylinder rod 1b and wheel cylinders 18a, 18b are supported by the support legs 15a, 15b and wheels 19a, 19b are supported in an up-and-down movable manner by the wheel cylinders 18a, 18b. |
