Foldable operation platform structure for offshore wind turbine hub maintenance

By designing a foldable work platform for the maintenance of offshore wind turbine hubs, the problem of platform compatibility with the curved surface of the hub was solved, achieving stable support and sufficient operating space, thus improving maintenance efficiency.

CN122442585APending Publication Date: 2026-07-24POWERCHINA FUJIAN ELECTRIC POWER SURVEY & DESIGN INST CO LTD
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Patent Information

Application Number
CN202610764888.9
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2026-05-29
Publication Date
2026-07-24

AI Technical Summary

Technical Problem

Existing foldable work platforms are difficult to adapt to the spherical and triangular irregular curved surfaces inside the hub of offshore wind turbines, resulting in unstable support and limited operating space, which cannot meet the needs of precise maintenance.

Method used

A foldable work platform for the maintenance of offshore wind turbine hubs has been designed. Through the combination of a retractable platform, support leg components and angle adjustment parts, the platform can be easily folded and unfolded, ensuring that the platform fits snugly against the curved surface of the hub and provides stable support.

Benefits of technology

It achieves stable support and ample operating space inside the offshore wind turbine hub, reduces transportation difficulties, and improves maintenance efficiency and safety.

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Abstract

The application provides a foldable operation platform structure for offshore wind turbine hub maintenance, and relates to the technical field of maintenance devices. The foldable operation platform structure for offshore wind turbine hub maintenance comprises a retractable platform and a bottom four-corner support leg assembly, and the support leg assembly comprises a strut component and an angle adjusting component. During maintenance, first, pull the two side plates to make the rollers slide along the guide grooves, drive the center plate to move upwards and be fixed by a latch or a bolt; then, switch the gears by the push plate, and through multi-stage transmission of the worm, the worm gear, the spur gear and the bevel gear, the four-corner strut can be synchronously and adaptively adjusted by a single hand wheel; finally, rotate the end cover to realize the extension and retraction of the screw rod, so that the bottom rubber pad is attached to the inner wall of the hub. The platform is convenient to fold and transport, can accurately adapt to the special-shaped curved surface of the hub, is stable in support, solves the problems of poor adaptability and complicated operation of the traditional platform, and is suitable for internal maintenance of offshore wind turbine hubs.
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