Handshake Tool Transfer for Offshore Wind Turbine Component Lifting

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Solution Overview

Problem

The existing methods for lifting or lowering components to and from offshore wind turbine generators (WTGs) are time-consuming and costly, often requiring large jack-up service vessels, which are expensive and have limited availability, and involve risky and cumbersome transfer steps that necessitate temporary placement on WTG structures.

Innovation Solution

A method utilizing a handshake-tool with a remotely activatable release mechanism allows for transferring components between a service vessel and WTG cranes without setting down on WTG structures, using a triangular load plate with three engagement points and a remotely controlled release mechanism to ensure safe and efficient transfer.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Productivity

If traditional transfer methods are used involving temporary placement on WTG structures, then the component transfer can be completed, but the transfer time increases and operational efficiency decreases

Engineering Contradiction:

Improvecomponent transfer efficiencyVSAvoidtransfer time

Core Design Contradiction:

ProductivityVSLoss of time

Solution Approach 1:

The patent introduces a transfer apparatus with a transfer platform that acts as an intermediary between the service vessel and WTG structure. This intermediary device enables direct component transfer from vessel to WTG without temporary placement on WTG structures, thereby reducing transfer time and improving efficiency while maintaining safety

Inventive Principle:

Principle #24Intermediary (Mediator)

Solution Approach 2:

The transfer apparatus is divided into distinct functional segments: a service vessel bound lifting apparatus, a transfer platform with positioning mechanism, and a WTG bound lifting apparatus. This segmentation allows each component to perform its specific function independently, enabling efficient and safe component transfer without time-consuming manual operations

Inventive Principle:

Principle #1Segmentation

2Weight of moving object

If large jack-up service vessels are used for component lifting, then lifting capacity is sufficient, but operational costs increase and vessel availability is limited

Engineering Contradiction:

Improvelifting capacityVSAvoidvessel availability

Core Design Contradiction:

Weight of moving objectVSAdaptability or versatility

Solution Approach 1:

The system employs dynamic positioning of the transfer platform relative to both the service vessel and WTG structure. The platform can be positioned and repositioned as needed, allowing smaller, more flexible vessels to perform lifting operations that previously required large jack-up vessels, thereby improving vessel availability and reducing costs

Inventive Principle:

Principle #15Dynamics

Solution Approach 2:

The transfer apparatus serves multiple functions: it acts as a lifting platform, a transfer station, and a positioning mechanism. This multi-functionality allows smaller service vessels to perform complex component lifting and transfer operations, replacing the need for specialized large jack-up vessels and improving overall system versatility

Inventive Principle:

Principle #6Universality (Multi-functionality)

3Device complexity

If manual transfer procedures are used, then equipment complexity is reduced, but operational safety decreases due to risky transfer steps

Engineering Contradiction:

Improvetransfer equipment complexityVSAvoidtransfer operation safety

Core Design Contradiction:

Device complexityVSReliability

Solution Approach 1:

The patent replaces manual mechanical transfer operations with a mechanized transfer apparatus that includes automated positioning mechanisms and controlled lifting/d lowering operations. This substitution eliminates risky manual handling while maintaining relatively simple equipment design through the use of standardized lifting components and a straightforward platform structure

Inventive Principle:

Principle #28Mechanics substitution (Replace mechanical system)

Data Source

PatentUS12584460B2Method for lifting or lowering components to or from a location on an off-shore wind turbine generator and handshake-tool for use in the method

Publication Date: 2026.03.24 VESTAS WIND SYSTEMS AS

AI summary

In order to allow for a safe and cost-efficient lifting of components (1) from a service vessel (2) to a location on an off-shore wind turbine generator (3) or lowering of components from a location on an off-shore wind turbine generator to a service vessel a method involving the use of a handshake-tool (10) is provided my means of which the component to be lifted or lowered can easily be transferred from one crane to another.