Wind Tower Guide System for Electrical Component Protection
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Solution Overview
Problem
During the construction of wind towers, the lowering of tower sections in windy conditions poses a risk of damage to electrical components due to sideways motion, necessitating the presence of technicians to prevent contact, which is still not fully effective.
Innovation Solution
The integration of guide supports and external rails or wheels that extend beyond the electrical components to create a barrier, preventing the outer tower portion from contacting the inner electrical components as it is lowered, thereby protecting the electronics.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If technicians are positioned on each internal level to monitor the lowering process, then the risk of damage to electrical components is reduced, but the complexity of the construction process increases and continuous human supervision is required
Solution Approach 1:
A guide system comprising guide supports and guide rails is introduced as an intermediary mechanism between the outer tower portion and the inner electrical components. The guide supports extend outwardly from the electrical components and engage with the guide rails to constrain the lowering path of the outer portion, preventing contact with the electrical components without requiring direct human intervention at each level.
Solution Approach 2:
The guide system enables the tower assembly process to protect itself automatically. The geometric constraints provided by the guide supports and rails create a self-regulating mechanism that passively prevents the outer portion from contacting the electrical components during lowering, eliminating the need for continuous technician supervision.
2Ease of manufacture
If the outer tower portion is lowered in windy conditions without guide supports, then the lowering process is simpler, but the outer portion may contact and damage the electrical components due to sideways motion
Solution Approach 1:
The guide supports are pre-installed on the electrical components before the outer tower portion is lowered. These guide supports create preliminary geometric constraints that actively counteract the sideways motion caused by wind, preventing the harmful contact before it can occur rather than reacting to the problem after it arises.
Solution Approach 2:
The guide system introduces a new spatial dimension of control by extending guide supports outwardly from the electrical components in the radial direction and engaging them with guide rails. This creates a three-dimensional constraint system that limits sideways motion while allowing vertical lowering, adding a protective dimensional layer without complicating the primary lowering operation.
Data Source
Figure 1
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AI summary
A tower (100) includes an outer portion (104) forming an outer covering for the tower and an inner portion (102) disposed within the outer portion. The inner portion includes a preassembled power module including an upwardly extending support (116) and electrical components that extend outwardly beyond the upwardly extending support and guide supports (130) coupled at a first end to the upwardly extending supports and extending outwardly beyond the electrical components.