Self-Locking Cable Clamping Device for Lineman Safety
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Solution Overview
Problem
Linemen face risks during maintenance and repairs of electrical conductors due to uncontrolled tail ends and the need to manage multiple conductor sections, which can lead to accidents and interruptions in electricity supply.
Innovation Solution
A clamping device with a body having first and second ends, a first clamping portion, and a second clamping portion that moves within a bore to securely clamp cables, allowing for safe handling and repair by freeing up the lineman's hands, featuring a stem portion with a narrower upper section and a top portion for accommodating cables and enabling connection with lanyards for multiple device linking.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If linemen manually handle and control conductor sections during maintenance and repairs, then they can perform necessary maintenance tasks, but they face safety risks from uncontrolled tail ends and cannot free their hands for other tasks
Solution Approach 1:
The clamping device is designed to self-secure onto the conductor through a self-locking mechanism. The cam-shaped surface and locking surface create an automatic engagement system that secures the conductor without requiring continuous manual control, thereby freeing the lineman's hands while maintaining safety.
Solution Approach 2:
The clamping device divides the conductor control function into separate modular units that can be attached at different locations. Each clamping device independently secures a section of the conductor, allowing multiple segments to be managed separately and freeing hands from continuous manual control.
2Device complexity
If linemen use traditional clamping methods, then they can secure conductors, but they require manual control of multiple conductor sections which increases complexity and risk
Solution Approach 1:
The device automatically secures the conductor through its self-locking cam mechanism, eliminating the need for continuous manual control. The device serves itself by maintaining the clamped position without requiring the operator to constantly adjust or hold it.
Solution Approach 2:
The clamping device acts as an intermediary between the lineman and the conductor. Instead of the lineman directly handling and controlling the conductor sections, the clamping device mediates this interaction by securely holding the conductor, thereby simplifying the overall system operation.
3Ease of operation
If linemen leave tail ends uncontrolled during maintenance, then they can work more freely, but the uncontrolled tail ends pose safety risks
Solution Approach 1:
The clamping device automatically secures the conductor tail end through its self-locking mechanism, freeing the lineman to work without continuously managing the tail end while eliminating the safety hazard of uncontrolled conductors.
Solution Approach 2:
The clamping device is designed to prevent the harmful effect of uncontrolled conductor tails before they can cause danger. By pre-securing the tail end in a controlled position, it counteracts the potential safety risk before it can manifest.
Data Source
AI summary
A clamping device is disclosed. The clamping device includes a body having a first end and a second end; a first clamping portion secured to the first end of the body; and a second clamping portion operable to move in a bore of the body relative to the first clamping portion between an open position and a clamped position, the second clamping portion cooperating with the first clamping portion to clamp a cable between the first clamping portion and the second clamping portion.