Connecting handle grappling fixture and transfer device for underwater disintegration of spent fuel related components
A technology for transferring device and spent fuel, applied in the field of spent fuel storage, can solve the problems of unreliability, falling connecting handle, long travel, etc., and achieve the effect of preventing falling and facilitating remote operation
Pending Publication Date: 2019-07-05
RES INST OF NUCLEAR POWER OPERATION +1
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Problems solved by technology
The general transfer device has single anti-fall measures and is unreliable, which may cause the connection handle to fall; and the transfer device transfers the connection handle from the shearing device to the collection container, requiring the connection handle to be delivered to the bottom of the collection container by the transfer device. The drop is large, the transfer device needs to meet the long stroke, and the transfer device is required to be retractable
Method used
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[0022] The present invention will be further described below by means of the accompanying drawings and specific embodiments.
[0023] The core component of the connecting handle transfer device in the present application is the design of the connecting handle gripping head 3 .
[0024] Such as figure 1 with figure 2 The shown connecting handle grab head 3 includes a core rod 21 driven by the cylinder 4 and set in the outer cylinder base 17, a connecting sleeve 20 for connecting the core rod 21 and the piston rod 19 at the front end of the cylinder 4, sleeved on the piston rod 19 and the spring 18 between the bottom of the outer cylinder base 17 and the connecting sleeve 20, the slider rod 22 that can slide axially along the outer cylinder base 17, and the two connecting rods that are axially connected to the two ends of the slider rod 22 24, and the hook claw 25 that is installed in two connecting rods 24 ends.
[0025] The above-mentioned slider rod 22 is connected with t...
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Belonging to the technical field of spent fuel storage, the invention in particular relates to a connecting handle grappling fixture and transfer device for underwater disintegration of spent fuel related components. The connecting handle grappling fixture consists of an outer cylinder substrate, a core rod, a connecting sleeve, a spring, a sliding block bar, two connecting rods in shaft connection with two ends of the sliding block bar, and hook claws. Limit waist round holes are machined on the side wall of the outer cylinder substrate, two ends of the sliding block bar stretch out of the limit waist round holes, a piston rod and the core rod are fixed through the connecting sleeve, the connecting rods and the hook claws at the front ends thereof are connected through pins, and the hookclaws are fixed by pins at the right end of the outer cylinder substrate in the device. The connecting handle transfer device consists of the connecting handle grappling fixture, an extension rod, a jacket rod and a telescopic mechanism. The designed compression spring always keeps the thrust to the core rod, self-locking can be achieve during transfer to prevent falling, the length can be adjustable through the telescopic mechanism to adapt to different grabbing stations. The device provided by the invention adopts pneumatic driving, and is convenient for remote operation.
Description
technical field [0001] The invention belongs to the technical field of spent fuel storage, and in particular relates to a connecting handle transfer device for underwater disintegration of a burnable poison assembly. Background technique [0002] Due to the limited number of effective empty racks available in spent fuel pools, the spent fuel pool's spent-related components further exacerbate the problem of insufficient storage capacity of spent fuel storage racks in nuclear power plants. Scale-down of spent fuel-related components and timely disposal of related waste components can increase the number of effective empty racks available in spent fuel pools, solve the problem of insufficient storage capacity of spent fuel storage racks in nuclear power plants, realize optimal utilization of spent fuel pool storage racks, and reduce the cost of spent fuel pools. Fuel transportation costs. [0003] During the shrinkage of spent fuel related components, it is necessary to transf...
Claims
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IPC IPC(8): G21F9/28
CPCG21F9/28Y02E30/30
Inventor 张斌刘攀龚雪琼丁明何泰烽
Owner RES INST OF NUCLEAR POWER OPERATION