REMOTE MAINTENANCE DEVICE FOR FUSION REACTOR CORE INTERNAL DEVICE AND FIXING DEVICE FOR THE CORE INTERNAL DEVICE

Japanese Patent JP3405866

B2

PROBLEM TO BE SOLVED: To provide a remote maintenance device for fusion reactor core internal devices capable of accurately and smoothly moving core internal devices with large weight and a fixing device for the fusion reactor core internal devices free from generating excess thermal stress in the core internal device even with thermal distortion.
SOLUTION: A remote maintenance device for fusion reactor core internal devices is provided on a placing surface of the core internal devices in a fusion reactor core with an arc shape guide mechanism 32 to guide and move the core internal devices in the circumferential direction. After carrying out the core internal device positioning in front of a maintenance port, three dollies 35 are inserted in place of the core internal device. The partial guide mechanism 36 provided on the upper surface of the dolly 35 continues to the arc shape guide mechanism 32 at this moment. Therefore, the core internal devices can be moved and loaded on the dolly 35. On the other hand, the fixing device has pin 45 inserted freely extending to radial direction in a hole 46 in the arc shape guide mechanism 32.

Eisuke Tada
Makoto Horie
Seiichi Fukatsu
Shin Murakami
Tadashi Munakata

JP26091995A

May 12, 2003

September 14, 1995

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Japan Atomic Energy Research Institute
Toshiba Corporation

G21B1/11; B25J11/00; G21B1/00; G21B1/25; (IPC1-7): G21B1/00; B25J11/00

JP59145993A
JP6250687A
JP62100689A
JP4118242U

Makoto Monda

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