METHOD FOR LIFTING AN OBJECT FROM A SHIP'S DECK

DE602020051642T2Active Publication Date: 2025-05-21GEOSEA
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Patent Information

Application Number
DE602020051642
Authority / Receiving Office
DE · DE
Patent Type
Patents
Current Assignee / Owner
Filing Date
2020-08-28
Publication Date
2025-05-21
Estimated Expiration
2040-08-28

AI Technical Summary

Technical Problem

The lifting and placement of large and slender objects, such as wind turbine components, from a vessel deck are hindered by wind and wave loads, causing significant swinging movements due to the vessel's movements in six degrees of freedom, making operations difficult or impossible in rough weather conditions.

Method used

A method using a hoisting cable with an attaching means and a gyroscope, where the gyroscope's rotation-symmetrical body damps swinging movements caused by wave and wind forces, allowing for more accurate object manipulation by maintaining the primary rotation axis parallel or at an angle to the hoisting cable direction, and optionally using tugger lines for further stabilization.

Benefits of technology

The gyroscope effectively reduces the amplitude of swinging movements in all directions, enabling the manipulation of objects from a vessel deck in rougher weather conditions, enhancing safety and precision during lifting, transportation, and mounting on support structures.

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Abstract

Described is a method for lifting an object from a vessel deck. A hoisting means present on the vessel deck is provided with a hoisting cable to which an attaching means for the object is coupled. The object is connected to the attaching means and then taken up and displaced relative to the vessel deck using the attaching means. The swinging movements of the attaching means and of the object connected thereto, occurring under the influence of wave and wind forces, are damped during displacement by a gyroscope which is connected to the hoisting cable, attaching means and / or object and which comprises a rotation-symmetrical body rotating around a primary rotation axis.
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