| 摘要 |
PURPOSE:To provide a walking positioning device for inspection device enabling a tie pipe to be set to a heat transfer pipe hole position to be inspected regardless of axial deviation between a water chamber aperture position and a pipe plate axis. CONSTITUTION:The title device is provided with three double cylinder pistons which actuate a gripping mechanism for heat transfer pipe hole and one piston for tie pipe guiding an inspection device. Furthermore, it is provided with three- joint arms 5, 9, and 10 for interlocking two double cylinder pistons and two pistons for tie pipe at a pitch of transfer pipe and a drive device for rotating arm which is provided between each double cylinder piston and each arm. |
