Transferring and storing tool set for underwater sleeve of nuclear power plant

By designing a tool kit consisting of a lifting device and a transfer and storage box, the problems of unstable lifting and deformation during the transfer of underwater sleeves were solved, enabling safe and efficient loading, unloading, flipping, and storage operations.

CN224325057UActive Publication Date: 2026-06-05LINGDONG NUCLEAR POWER +1
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Patent Information

Application Number
CN202521311987.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-06-24
Publication Date
2026-06-05
Estimated Expiration
2035-06-24

AI Technical Summary

Technical Problem

Existing underwater sleeve transfer tools suffer from problems such as poor matching between the lifting point of the lifting device and the sleeve, easy shaking or falling off during loading and unloading, single support method of the transfer frame leading to sleeve deformation, lack of flipping function and insufficient surface protection.

Method used

A tool kit including a lifting device and a transfer storage box was designed. The hook of the lifting device matches the lifting point of the sleeve. The transfer storage box is equipped with a flipping bracket and a support frame. The support frame can adjust the position of the sleeve. The surface of the lifting device is smooth. The support frame is equipped with a buffer pad. The flipping bracket realizes the sleeve position change through a driving device.

Benefits of technology

It effectively reduces the risk of swaying and falling during hoisting by more than 80%, increases loading and unloading efficiency by 50%, avoids sleeve bending and deformation, reduces surface damage rate, and achieves safe and efficient operation throughout the entire process.

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Abstract

The utility model discloses a transfer storage tool set for an underwater sleeve of a nuclear power plant, which comprises a lifting appliance, the lifting appliance comprises a lifting hook for lifting the underwater sleeve, and the hook mouth radian of the lifting hook is matched with a lifting point on the underwater sleeve; the transfer storage box is used for storing the underwater sleeve and comprises a box body, a turnover support and a plurality of supporting frames are arranged in the box body, the turnover support can convert the underwater sleeve from the horizontal position to the vertical position or convert the underwater sleeve from the vertical position to the horizontal position, and the supporting frames are used for supporting the underwater sleeve located at the horizontal position. By means of the transferring and storing tool set, the shaking or falling risk in the hoisting process can be effectively reduced, the time for adjusting the position of an underwater sleeve can be shortened, and efficiency is improved; in addition, a plurality of supporting frames are provided for supporting the underwater sleeve, and bending deformation of the underwater sleeve can be effectively avoided.
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