Tool for pulling multiple rods from a nuclear fuel assembly

Details Tool for pulling multiple rods from a nuclear fuel assembly Tool for pulling multiple rods from a nuclear fuel assembly

1986-07-14

1987-08-18

Kyle, Deborah L.

Handling: hand and hoist-line implements

Grapple

Multiple grapples for multiple objects

294131, 294906, 376261, 376268, 376271, B66C 110, G21C 1910

Patent

active

046872450

ABSTRACT:
A tool (78) for grasping a multiplicity of nuclear fuel rods (42) to remove them from a nuclear fuel assembly (32) and relocate them, preferably, into a fuel consolidation device (86). The tool has a gripper head (200) reciprocably guided within a shroud (80). A distinct jaw mechanism (216) for grasping each of the multiplicity of fuel rods is carried by a common frame (214) and actuated and controlled by a distinct means (232, 234, 242). A key feature of the gripper head is that each jaw mechanism (216) has an neck portion (244) to offset the actuation means (232, 234) from the moving jaw portion (220). The shroud carries alignment means (82, 206) for precisely orienting the tool relative to a targeted group of rods within the assembly, so that the spacing of the rods is maintained as they are pulled up into the shroud by the gripper head.

REFERENCES:
patent: 4551299 (1985-11-01), Shields

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