Blade-Section Forming with Transport Frame
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Solution Overview
Problem
The existing process for forming rotorblade rootsections is time-consuming and prone to structural defects due to multiple handling steps, which increases the likelihood of layer wrinkling and distortion, and the use of tape can cause inconsistency and warping, affecting the structural integrity of the rotorblade.
Innovation Solution
A system and method that involves forming and installing glass rootsections as a single component using a transporting frame and blade-section forming structure, where the glass layers are laid up apart from the rotorblade and then installed in a mold, reducing handling and eliminating the need for tape by using a pliable transporting surface and rigid supports to shape and secure the layers before rotation and installation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If multiple individual rootsections are rolled, unrolled, layered, and taped separately, then the rotorblade can be constructed with glass composite layers, but the process becomes time-consuming and increases the probability of structural defects
Solution Approach 1:
The patent combines multiple separate rootsection layers into a single integrated transporting frame structure. The frame holds multiple glass composite layers simultaneously, allowing them to be transported and installed as one unit rather than individually, thereby reducing handling steps and construction time while maintaining structural integrity.
Solution Approach 2:
The glass composite rootsection layers are pre-assembled and secured to the transporting frame before being brought to the rotorblade mold. This preliminary assembly allows the layers to be prepared, positioned, and secured in advance, reducing the complexity and time of the actual installation process within the mold.
2Manufacturing precision
If multiple individual rootsections are handled repeatedly (rolling, unrolling, layering), then the layers can be installed in the rotorblade mold, but the probability of layer wrinkling and distortion increases
Solution Approach 1:
Multiple rootsection layers are combined into a single transporting frame assembly, reducing the number of separate handling operations. The frame maintains the relative positions and orientations of all layers simultaneously, minimizing opportunities for wrinkling and distortion during transport and installation.
Solution Approach 2:
The transporting frame uses a flexible yet supportive structure that can accommodate the glass composite layers while maintaining their shape. The frame's design allows it to conform to the layers without causing distortion, providing support during transport and installation while preserving layer integrity.
3Reliability
If tape is added to secure each rootsection layer, then the layers can be held in place during forming, but inconsistency and warping are introduced affecting structural integrity
Solution Approach 1:
The patent removes the tape-securing step from the traditional process by using a transporting frame that holds the rootsection layers through mechanical support and friction alone. This extraction eliminates the introduction of foreign materials (tape) that cause inconsistency and warping, while still maintaining layer positioning through the frame's structural design.
Solution Approach 2:
The transporting frame is designed to hold and secure the glass composite layers through its own structural properties without requiring additional securing materials like tape. The frame's geometry and contact surfaces provide inherent support and positioning, allowing the layers to be held in place through the frame's design rather than external fastening elements.
Data Source
AI summary
Disclosed is a system for forming a blade-section including a transporting frame, at least one transporting support removeably associated with the transporting frame, and a blade-section forming structure receptive of the transporting frame and the at least one transporting support.