Wind Turbine Blade Interior Spraying Around Reinforcement Plates
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Solution Overview
Problem
The reinforcement plate in a wind turbine blade hinders the operation of existing spraying devices, making it difficult to perform interior repairs on the blade.
Innovation Solution
A spraying device with extendable probing mechanisms and Mecanum wheels that allow the device to navigate around the reinforcement plate, enabling spraying on both sides of the blade interior.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If a reinforcement plate is installed inside the blade girder to increase strength, then the structural strength is improved, but the spraying device cannot enter the interior area for spraying operation
Solution Approach 1:
The extension arm is divided into multiple segments that can be independently extended and retracted. This segmentation allows the spraying device to navigate around the reinforcement plate by extending segments sequentially, enabling access to areas that would otherwise be blocked by the reinforcement plate structure
Solution Approach 2:
The extension arm employs dynamic extension and retraction capabilities, allowing the spraying device to adapt its configuration in real-time. The arm can extend to reach around the reinforcement plate and retract when passing through narrower spaces, providing the flexibility needed to perform spraying operations on both sides of the reinforcement plate
2Ease of operation
If the extension arm is made extendable to reach around the reinforcement plate, then the accessibility is improved, but the device complexity increases
Solution Approach 1:
The extension arm utilizes a telescopic structure where smaller segments are nested within larger segments. This nesting approach allows multiple extension stages to be compact when retracted, reducing the overall space required while maintaining the capability to extend to various lengths to reach around the reinforcement plate
Solution Approach 2:
The probing mechanism extends in the axial direction of the base ring, adding a dimensional aspect to the extension capability. This axial extension working in conjunction with the radial extension of the extension arm creates a two-dimensional extension capability that enhances accessibility while distributing the mechanical complexity across different movement dimensions
Data Source
AI summary
The present disclosure relates to the technical field of spraying devices, and in particular, to a spraying device for interior repair of a wind turbine blade. The spraying device for interior repair of a wind turbine blade includes: a base ring; extension arms arranged in pairs; rotation mechanisms including drive members arranged at end portions of the extension arms, and wheel that are in transmission connection to the drive members; probing mechanisms arranged on the extension arms; and spraying mechanisms arranged on the probing mechanisms; where the probing mechanisms are capable of extending in an axial direction of the base ring, and when the probing mechanisms extend, the spraying mechanism are driven to move two sides of the reinforcement plate, and then the spraying mechanisms can perform spraying on inner walls, on two sides of the reinforcement plate, of the blade body.