Sleeve device for protecting submarine cable at bottom of offshore wind power foundation

By designing a casing device for the bottom of offshore wind power foundation, the combination of flexible protective pipes and hoop type fixtures solves the problem of susceptible damage to submarine cables in the offshore environment, and achieves effective protection of submarine cables and improves the stability of wind power foundations.

CN222673821UActive Publication Date: 2025-03-25YANGJIANG OFFSHORE WIND ENERGY LAB
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Patent Information

Application Number
CN202421330598.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-11
Publication Date
2025-03-25
Estimated Expiration
2034-06-11

AI Technical Summary

Technical Problem

Under the influence of factors such as currents, waves and sand waves, submarine cables at the base of offshore wind power are prone to erosion, exposure, suspension, instability and wear. The existing submarine cable protective pipe structure cannot effectively adapt to this installation method of submarine cable.

Method used

A casing device is designed, including a flexible protective tube and a clamp. The flexible protective tube can be bent and deformed to adapt to the submarine cable. The clamp is a hoop-type structure and is equipped with an elastic barbing mechanism, which can be fastened to the hole position of the fan foundation to ensure the stability of the submarine cable.

Benefits of technology

This device can effectively prevent damage to submarine cables in erosion and dynamic environments, improve the stability of offshore wind power foundations, and ensure the safety and reliability of submarine cables.

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Abstract

The utility model belongs to the field of offshore wind power, and discloses a sleeve device for protecting a submarine cable at the bottom of an offshore wind power foundation, which comprises a flexible protection tube and a clamp sleeved on the flexible protection tube, the submarine cable penetrates through the flexible protection tube, the flexible protection tube can be bent and deformed, and the clamp is of a hoop type structure. The clamp is inserted into a hole site of a fan foundation, and an elastic barb mechanism is arranged on the outer side of the clamp. The device is specially designed for the installation mode that holes are formed in the bottom of a wind power foundation of a submarine cable, the device is composed of the flexible protection pipe and the clamp, the flexible protection pipe is of a flexible structure and can be bent and deformed so as to be matched with the submarine cable, the clamp tightly holds the flexible protection pipe, the device plays a role in installation and fixation, and the device has the advantage of being convenient to install.
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