Rotatable Wind Turbine Maintenance Platform
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Solution Overview
Problem
Existing maintenance methods for wind turbines require service personnel to work outside the hub, often using rope teams, which increases risk and necessitates multiple personnel for safety, and existing solutions for temporary platforms are either risky or cumbersome.
Innovation Solution
A modular, temporary maintenance platform with a base frame and stationary support structure, rotatably mounted on a three-armed cantilevered holding structure, allowing detachment and reattachment for secure access to the rotor hub without a cable team, enabling maintenance from the front of the hub.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If rope teams are used for maintenance work outside the hub, then service personnel can access the hub, but the risk increases and multiple personnel are required for safety
Solution Approach 1:
A platform is introduced as an intermediary structure between the service personnel and the rotor hub. The platform provides a stable working surface with handrails and footrests, allowing personnel to perform maintenance tasks without directly abseiling or working悬空, thereby reducing safety risks while maintaining access capability
Solution Approach 2:
The maintenance system is segmented into distinct functional components: the platform structure, the abseiling mechanism, and the rotor hub. This segmentation allows the platform to be detached and repositioned as needed, while the abseiling system provides independent safety support, reducing the need for multiple personnel
2Ease of operation
If temporary platforms are positioned on the outside of the wind turbine, then maintenance work can be performed, but the setup becomes cumbersome
Solution Approach 1:
The platform is designed with dynamic characteristics, being able to rotate around the rotor hub and be repositioned to different angular positions. This rotational capability allows the platform to adapt to different maintenance locations without requiring complete disassembly and reassembly, reducing setup complexity
Solution Approach 2:
The platform is designed as a universal structure that can serve multiple maintenance locations around the rotor hub. By rotating the platform to different positions, the same structure can access various parts of the hub, eliminating the need for multiple dedicated platforms and simplifying the overall system
3Reliability
If a stable platform is provided for maintenance work, then safety is improved, but the platform must be securely attached to the rotor hub
Solution Approach 1:
The attachment mechanism is pre-configured with quick-release clamps and mounting brackets that can be rapidly secured to the rotor hub. The abseiling lines are pre-routed through guide pulleys, allowing the platform to be quickly and securely attached without complex assembly procedures, maintaining both stability and simplicity
Data Source
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AI summary
The invention relates to a platform for maintenance work on a wind turbine. The platform enables service and repair work to be carried out outside the hub of the wind turbine. The invention also relates to a method for assembling such a platform. The object of the invention is to provide a temporary work platform for maintenance work on a wind turbine. This object is achieved by a maintenance platform according to the invention, designed as a modular and temporary maintenance platform for a wind turbine. The wind turbine consists of a tower, a nacelle with a rotor, and a rotor hub. The maintenance platform comprises a base frame with several footplates and a stationary support structure, wherein the maintenance platform is rotatably mounted on the support structure.