| 摘要 |
PROBLEM TO BE SOLVED: To inspect a vent pipe bellows of a reactor from the side of an inner face in a simple operation. SOLUTION: In the vent pipe bellows-inspecting apparatus, an inspection unit 13a for inspecting a front belly part of a bellows, an inspection unit 13b for inspecting a ridge part, an inspection unit 13c for inspecting a rear belly part and an inspection unit 13d for inspecting a valley part are arranged in accordance with an interval of the bellows for absorbing a relative movement of a vent pipe and a suppression chamber. The inspection units 13a, 13b and 13c enable high trestles 18 with CCD cameras 17 set to leading ends to stand up and lie down. The inspection unit 13d has a low fixed trestle 21 having a CCD camera 17 set to a leading end part. Each of the inspection units 13a, 13b, 13c and 13d is moved in a longitudinal direction of the vent pipe by a movement operation mechanism 14.
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