| 摘要 |
PROBLEM TO BE SOLVED: To inspect a small part in a reactor pressure vessel with reliability by easily bringing a device for inspecting in-core structure to this part. SOLUTION: The device 6 for inspecting in-core structure is equipped with a casing 15 with a window 15a, an underwater TV camera 11 placed in the casing 15, an inclining mirror 13 located between the window 15a and the camera 11 and a rotary drive mechanism 16 which rotates the mirror 13 and the TV camera 11. A flexible shaft 5 connected to the casing 15 through a universal joint 17 extends between a working pedestal 1b and the casing 15. A manipulation rope 19 also extends between the pedestal 1b and the casing 15. COPYRIGHT: (C)2007,JPO&INPIT
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