Gripping Cable Hanger Structure for Stable Messenger-Wire Mounting
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Solution Overview
Problem
The existing cable hanger systems in the solar, mining, and electrical industries face challenges with AC and DC cable separation requirements, hanger stability during installation, and labor efficiency due to the need for precise alignment and secure attachment to messenger wires, especially in harsh desert environments with high temperatures.
Innovation Solution
A gripping cable hanger system featuring a shape retention wire with upwardly opening receptacles, support arms, and co-operating gripping hooks that provide a resilient interference fit with messenger wires, ensuring secure attachment and easy installation, and optionally coated with PVC for corrosion resistance and improved handling.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If traditional open loop hangers are used for cable support, then installation is simple, but the hangers easily fall off the messenger wire when bumped during cable loading
Solution Approach 1:
The hanger incorporates a resilient body that can compress and expand dynamically. During installation, the hanger is compressed to a reduced width to facilitate attachment to the messenger wire. Once attached, it expands to a normal width to provide stable support and resist displacement when bumped during cable loading operations.
Solution Approach 2:
The hanger's width parameter is changed between two states: a reduced width for easy attachment and a normal width for stable support. This parameter transformation allows the hanger to achieve both installation simplicity and operational reliability by adapting its physical dimensions to the specific requirements of each phase.
2Reliability
If hangers are designed to be secure against displacement, then reliability improves, but installation complexity increases due to alignment requirements
Solution Approach 1:
The resilient body enables the hanger to be compressed during installation, reducing its width and eliminating the need for precise alignment. The dynamic compression and expansion mechanism allows workers to simply attach the hanger to the messenger wire without requiring careful positioning, thereby maintaining reliability while reducing installation complexity.
Solution Approach 2:
The hanger is pre-configured with a resilient body capable of compression. This preliminary design feature allows the hanger to be easily attached in a compressed state and then expand to its operational width, performing the alignment function automatically through its elastic properties rather than requiring manual precision during installation.
3Productivity
If AC and DC cables are bundled together for space efficiency, then productivity improves, but electrical interference occurs between power and signal wires
Solution Approach 1:
The hanger is divided into separate receptacles or compartments that physically segment AC and DC cables, preventing them from being bundled together. This segmentation maintains space efficiency by organizing cables in a structured manner while eliminating electrical interference through physical separation of power and signal wires.
Solution Approach 2:
The harmful interaction between AC and DC cables is eliminated by extracting them from a bundled configuration and placing them in separate receptacles. This separation removes the source of electrical interference while still allowing both cable types to be supported by the same hanger structure, maintaining productivity.
4Adaptability or versatility
If multiple carrier hangers are used to accommodate various wire bundle sizes, then adaptability improves, but manufacturing complexity increases
Solution Approach 1:
The hanger is designed with a universal structure featuring multiple receptacles of varying sizes that can accommodate different wire bundle configurations. This multi-functional design allows a single hanger type to serve multiple purposes across different cable arrangements, improving adaptability while simplifying manufacturing compared to producing multiple specialized hanger variants.
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
The system maintains hanger position and orientation during cable loading, reduces installation time and labor costs, and provides secure separation of cables, enhancing electrical performance and safety while accommodating various wire sizes and bundles.
Implementation Method 1
The shape retention wire is chosen from one of the group of mid to high tensile round galvanized steel, round stainless steel, flat rolled galvanized steel, flat rolled stainless steel, or aluminum
Implementation Method 2
The shape retention wire may be bare or coated with a plastisol coating which at the present time has a thickness in the range of from 50 mil to 100 mils inches thick
Data Source
AI summary
This invention has to do with a gripping cable hanger assembly system for the solar, mining, and electrical industry. The gripping cable hanger is comprised of a support wire gripping mechanism, cable carrier supports/receptacles, data carrier wire capability, space between said wire carriers with said wire comprising a shape retention material that may have a high dielectric, UV resistant coating thereon.