Wind Turbine Blade Preform Racks With Movable Holding Arms
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Solution Overview
Problem
The handling and transportation of large preform building elements for wind turbine blades is challenging due to their size and complexity, requiring efficient storage and handling solutions that facilitate easy loading and unloading.
Innovation Solution
A rack system with movable holding arms that create staggered reception planes, allowing for simultaneous storage and transport of building elements, enabling easy access from above or the side for loading and unloading, and adaptable to various shapes and sizes using interchangeable holding arms and supporting devices.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Quantity of substance
If building elements are stacked in a storage space with fixed holding arms, then storage capacity is improved, but accessibility for loading and unloading deteriorates
Solution Approach 1:
The holding arms are made movable between a holding position (where they support building elements in the storage space) and a retracted position (where they are moved out of the storage space to allow access). This dynamic configuration resolves the contradiction by enabling both high storage capacity and easy accessibility at different operational stages.
2Productivity
If multiple building elements are stored stacked in the rack, then productivity is improved, but the complexity of the handling system worsens
Solution Approach 1:
The holding arms are divided into multiple rows that can be independently controlled. Each row of holding arms can be moved between holding and retracted positions separately, allowing selective access to different levels of stacked building elements. This segmentation enables efficient handling of multiple elements without requiring complex coordinated movement of the entire system.
Data Source
AI summary
A rack for transporting and/or storing building elements is provided which are used for building rotor blades of wind turbines, wherein the rack includes a holding structure and several holding arms which are attached or attachable to the holding structure, wherein the holding arms are arranged offset in several rows when they are in a holding position in which they project from the holding structure, wherein the holding arms arranged in each row build a respective reception plane for receiving at least one building element extending over at least several of the holding arms of this row, wherein at least two vertically staggered reception planes are built, wherein at least one of the holding arms is movable from the holding position into a non-holding position, in which the respective holding arm is moved out of the storage space above the reception plane below the upper reception plane, and vice versa.