Wind Turbine Blade Maintenance Rig With Balancing Rod Tool Positioning
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Solution Overview
Problem
Existing wind turbine blade maintenance solutions are inefficient and require human climbers, posing safety risks and being time-consuming.
Innovation Solution
A maintenance arrangement with a central rod, balancing rods, and tool arms equipped with motors for adjustable positioning, allowing robotic maintenance without human climbers, using ropes and winches for stabilization and control.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If industrial climbers use rope and cradle access for blade maintenance, then workers can reach the blade for inspection and cleaning, but safety risks increase and maintenance becomes time-consuming
Solution Approach 1:
The robotic maintenance device performs blade inspection and cleaning autonomously without requiring human climbers. The robot navigates the blade surface using sensors and robotic locomotion mechanisms, executing maintenance tasks independently to eliminate safety risks associated with human workers at height
Solution Approach 2:
The patent replaces the mechanical rope-and-cradle access system with a robotic system that uses sensors, actuators, and automated navigation to reach and service the blade, substituting human-operated mechanical access with automated robotic mechanisms
2Ease of operation
If a platform travels along the wind turbine for comfortable workspace, then workers have better access to the blade, but the system becomes more complex and expensive
Solution Approach 1:
The maintenance system is divided into modular robotic components including navigation modules, tool modules, and control systems that can be independently developed and replaced. This segmentation allows the complex maintenance function to be achieved through simpler, specialized robotic elements rather than a single complex platform
Solution Approach 2:
The robotic device acts as an intermediary between the maintenance requirements and the blade surface, using sensors and automated actuators to bridge the gap between the need for detailed inspection/cleaning and the complexity of providing stable human workspace at height
3Ease of operation
If traditional blade maintenance methods are used, then workers can perform inspection and cleaning, but productivity decreases due to time-consuming manual operations
Solution Approach 1:
The robotic maintenance device performs inspection and cleaning operations continuously along the blade surface without interruption. The automated system can maintain steady motion and execute tasks without the breaks, repositioning delays, and human fatigue limitations that constrain manual maintenance productivity
Solution Approach 2:
Manual maintenance operations are replaced with automated robotic mechanisms that use sensors for detection, robotic actuators for cleaning actions, and automated navigation for movement, substituting slow manual labor with faster automated mechanical systems
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
Enables safer, more efficient, and less time-consuming maintenance of wind turbine blades and towers, reducing human exposure to hazards.
Implementation Method 1
The slider, preferably, further comprises a guide designed to allow a carrying rope passing through it with minimal friction
Data Source
AI summary
A wind turbine blade and tower maintenance devices, used for servicing, including cleaning, inspection, deicing and painting of wind turbine blades and tower. The device has: a central rod, three balancing rods, a central hub, at least one tool arm adapted to releasably fix one or more tools aimed for surface maintenance; and a tool arm motor adapted to adjust the angle of the tool arm in respect of the central rod, wherein: the central rod and three balancing rods are connected to the central hub; the tool arm is rotatably fixed to the central rod and/or to the central hub via tool arm motor drive; the three balancing rods, as well as central rod or the central hub are adapted to be connected to carrying and balancing ropes or cables. A system for lowering and raising of the arrangement is also disclosed.