| 摘要 |
PURPOSE:To provide a high traction force by reducing frictional resistance between a pressure receiving body and a wall surface. CONSTITUTION:A vacuum suction self-running truck comprises a pressure receiving body 7 mounted on a truck body 1, having wheels 5a and 5b rolled on a wall surface, through a contactbonding means 10, a seal water feeding means 8 to feed seal water in a gap between the periphery of the pressure receiving body 7 and the wall surface, and an exhausting means 17 to exhaust gas 10 a gap between the pressure receiving body and the wall surface. The truck body 1 is provided with a pair of frames 2a and 2b having front and rear wheels 5a and 5b. One 2a of the frames is fixed to the truck body and the other 2b is rotatably mounted on the truck body. |
