Multi-gripper handling apparatus with individual force limiter

Details Multi-gripper handling apparatus with individual force limiter Multi-gripper handling apparatus with individual force limiter

1987-01-22

1988-03-29

Kyle, Deborah L.

Induced nuclear reactions: processes, systems, and elements

Handling of fission reactor component structure within...

Fuel component

294906, 279 4, G21C 1932

Patent

active

047342510

ABSTRACT:
A handling apparatus which is intended primarily for operations involving pulling and pushing nuclear fuel rods which are carried out when dismantling assemblies, comprising a handling head in which there are provided a plurality of cylinders (6) in which grippers are slidable, formed by two coaxial parts (4, 10) by means of pistons (4a, 4b) which are fixed with respect thereto. Said pistons define three annular spaces (A, B, C) which are supplied by three individually controllable hydraulic fluid circutis (La, Lb, Lc). Such fluids provide for opening and sliding movement of the grippers with respect to the head as well as control of the maximum admissible force in respect of traction or compression on the grippers.
At the upper end of each gripper two travel limit switches give the individual situation of each thereof.

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patent: 4682920 (1987-07-01), Rodgers
patent: 4687245 (1987-08-01), Formanek

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