A crown-type prefabricated offshore substation hoisting frame and method

By combining the hoisting frame with the structural frame to form a multi-layer three-dimensional truss, the problems of large weight, safety hazards and layout difficulties of the hoisting frame are solved. This enables safe and efficient hoisting of offshore substations and flexible layout of modular equipment, enhancing the structural load-bearing capacity and photovoltaic power generation function.

CN118345766BActive Publication Date: 2026-05-26SHANDONG ELECTRIC POWER ENG CONSULTING INST CORP
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
SHANDONG ELECTRIC POWER ENG CONSULTING INST CORP
Filing Date
2024-04-28
Publication Date
2026-05-26

AI Technical Summary

Technical Problem

Existing hoisting frames are heavy, costly, cannot participate in structural stress, pose safety hazards, and lack other functions. Traditional hoisting frames cannot meet the open layout requirements of modular equipment, and controlling the hoisting rope angle is difficult, posing a risk of hoisting accidents.

Method used

The hoisting frame is combined with the structural frame to form a multi-layer three-dimensional truss. The hoisting frame structure and the lower beams and columns share the load. The hoisting platform and photovoltaic modules are introduced, which also serve as firewalls and roof supports. Multiple connection methods are used to adapt to different working conditions.

Benefits of technology

It improves the structural safety and load-bearing capacity of the offshore substation, reduces the amount of steel used in the lower platform structure, simplifies the structural layout, enhances hoisting safety and the flexibility of modular equipment layout, and provides convenience for photovoltaic power generation and maintenance.

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Abstract

This invention provides a crown-type prefabricated offshore substation hoisting frame and method. The invention combines the hoisting frame with the structural frame and participates in the structural stress of the offshore substation. The hoisting frame structure and the lower beams and columns form a multi-layered three-dimensional truss, which improves structural safety, reduces the amount of steel used in the lower platform structure, and increases the load-bearing capacity of the offshore substation. The core structure bearing the vertical load is moved upwards to the hoisting frame, resulting in a clear and simplified stress distribution. This not only meets the requirements for hoisting safety but also reduces the stress on the lower platform structure through the synergistic effect of the components of the hoisting frame, while simultaneously meeting the requirements for open layout of modular equipment.
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