| 摘要 |
PURPOSE:To enable the inspection even when the peripheral space of an object to be inspected is too small, by installing a base pipe along a pipe to be inspected after this base pipe is so arranged as to allow an inspection cart to move thereinside. CONSTITUTION:A pipe (b) to be inspected through which a radioactive solution will flow is installed in an isolation chamber (a) and has short tubes joined along a circumferential welding seam (d) sequentially. This seam (d) is the part to be inspected. Then, a rail base pipe 10 is provided along the tube (b) and rail branches 11-13 are extended from the base pipe 10 corresponding to the seam (d). The base end of the base tube 10 is connected to a storage unit 40 and further, a command/processor 2 is arranged outside the chamber (a). The pipe (b) and the branches 11-13 are surrounded integral with a heat insulator (c). On the other hand, a cable winder 41 built into the unit 40 has a winding reel 43 and a signal cable 45 wound thereon communicates with a moving inspector section 30 moving through the base pipe 10. This enables required inspection even at a narrow part. |
