High-Voltage Cable Reel Sizing for Long-Term Storage
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Solution Overview
Problem
Conventional cable holders for high-voltage cables do not allow for long-term storage without frequent unwinding, making them impractical for extended periods.
Innovation Solution
A cable holder with a winding cylinder of over 1300 mm diameter and a pneumatic drive unit for easy rotation, allowing for long-term storage and rapid transportation of high-voltage cables, along with a termination holder for secure storage of cable terminations.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Duration of action of stationary object
If a conventional winding cylinder is used, then the cable holder structure is compact and manageable, but the cable cannot be stored long-term without frequent unwinding
Solution Approach 1:
The patent applies parameter changes by increasing the winding cylinder diameter from conventional sizes to over 1300 mm. This parameter change directly increases the bending radius of the cable, allowing long-term storage without unwinding while maintaining structural feasibility through the portable design.
2Duration of action of stationary object
If a larger diameter winding cylinder is used, then long-term storage is enabled, but the cable reel takes up more space and is harder to transport
Solution Approach 1:
The patent applies dynamics by making the cable reel rotatable on a horizontal axis with a drive unit. This dynamic capability allows the large-diameter reel to be rotated for loading/unloading operations and transported in a compact configuration, resolving the contradiction between large storage capacity and transportability.
3Duration of action of stationary object
If the winding cylinder diameter is increased, then the bending radius is sufficient for long-term storage, but the manual winding process becomes more difficult
Solution Approach 1:
The patent replaces manual mechanical winding with a drive unit that rotates the cable reel. This substitution eliminates the difficulty of manually winding cable onto a large-diameter reel while enabling long-term storage through the increased bending radius provided by the larger diameter.
Data Source
AI summary
A cable holder for the long-term storage and the rapid transport of high-voltage cables, is storable for long periods with little outlay. The cable holder includes a rotatable cable reel which has a winding cylinder and side limits which are connected for conjoint rotation with the winding cylinder and protrude over the circumference of the winding cylinder. A holding frame is provided for rotatably mounting the cable reel. A high-voltage cable is wound onto the cable reel. The winding cylinder has a diameter of over 1300 mm.