| 摘要 |
PROBLEM TO BE SOLVED: To make an inspection device accurately access inspection object locations by moving various tools for inspection using a rod structure in a reactor pressure vessel as a guide rail. SOLUTION: The device for inspecting core structure by using a rod structure 2 in a reactor pressure vessel as a guide rail for the device body 15 is provided with a fixing mechanism to hold the device body 15 to remotely position it in the rod structure 2, a moving mechanism to move the device body 15 along with the rod stricture 2, and an arm mechanism 35 to position an inspection head 36 at an arbitrary position and angle which is placed on the device body 15 and loaded with various inspection tools. |
