Torsion Device for Cable Orientation Control
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Solution Overview
Problem
Lightweight objects suspended by cables often tilt undesirably due to small torsional forces, making it difficult to maintain a desired orientation, and reinforcing cables can be complex and aesthetically unpleasing.
Innovation Solution
A torsion device with fixedly mounted components on a cable that can be rotated and locked to adjust and maintain the orientation of suspended objects, allowing for quick and cost-effective alignment without modifying the object or cable.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If reinforcing wires are added to the cable to increase torsion resistance, then the cable becomes more rigid and torsion-resistant, but the device complexity increases and aesthetic appearance deteriorates
Solution Approach 1:
A torsion device is introduced as an intermediary component between the cable and the hanging object. This device includes a first component fixedly mounted on a first part of the cable, a second component fixedly mounted on a second part of the cable, and connection means to rotatably connect these components. By rotating the first component relative to the second component, torsion is applied to the cable without modifying the cable itself, thus maintaining its simple structure and aesthetic appearance while achieving the desired orientation control.
2Strength
If reinforcing wires are added to the cable to increase torsion resistance, then the cable becomes more rigid and torsion-resistant, but the ease of manufacture decreases
Solution Approach 1:
The torsion device serves as a separate manufacturable component that attaches to the existing cable. The first and second components can be manufactured independently and then fixedly mounted to the cable at different positions. This approach allows the cable to remain simple and easy to manufacture, while the torsion device itself handles the complexity of torsion control through its rotatable connection means and locking mechanism.
3Shape
If the hanging object is made from lightweight material to achieve desired aesthetic appearance, then the aesthetic appeal improves, but the stability of orientation deteriorates due to sensitivity to torsional forces
Solution Approach 1:
The torsion device acts as a mediator that applies controlled torsion to the cable to orient the lightweight hanging object. The locking means within the torsion device maintain the applied torsion, preventing unwanted rotation even though the lightweight object itself provides no resistance to torsional forces. This allows the object to maintain its lightweight, aesthetic properties while achieving stable orientation through the external torsion device.
Solution Approach 2:
The torsion device applies the necessary torsion to the cable in advance to achieve the desired orientation of the hanging object. Once the object is oriented correctly, the locking means engage to maintain this orientation without requiring continuous adjustment. This preliminary action ensures that lightweight objects, which are otherwise prone to unwanted rotation, maintain their desired orientation stably.
Data Source
Figure 1a~2b
Figure 3a~4f
Figure 5
AI summary
Torsion device (16) for mounting along a cable (12) supporting a hanging object (10). The torsion device (16) comprises a first component (18) that is arranged to be fixedly mounted on a first part of said cable (12) and a second component (20) that is arranged to be fixedly mounted on a second part of said cable (12). The torsion device (16) also comprises connection means to rotatably connect said first component (18) to said second component (20), and locking means to lock the first component (18) and the second component (20) in a desired relative position, whereby a torsion between said first part of said cable (12) and said second part of said cable (12) may be established and/or adjusted and/or maintained, thereby enabling said hanging object (10) to be oriented in a desired position.