Hotstick Tool Integrating Wedge Tap Connectors for Linemen
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Solution Overview
Problem
Linemen face challenges when tapping high power lines due to the need for multiple specialized tools and the risk of high voltage, requiring two or more workers and increasing the time and cost of the process.
Innovation Solution
A hotstick tool with a primary and secondary arm, a pivoting linkage system, and dielectric materials to facilitate the use of a wedge-type tap connector, allowing a single lineman to efficiently tap high power lines with fewer tools.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If multiple specialized tools and multiple workers are used to tap power lines, then the task can be completed with traditional methods, but the time and cost increase and efficiency decreases
Solution Approach 1:
The patent combines multiple specialized tools (C-shaped member handler, wedge member installer, positioning devices) into a single integrated hotstick tool. This allows one lineman to perform tasks that previously required two or more workers with separate tools, directly improving productivity while reducing device complexity in terms of tool inventory and operational complexity
Solution Approach 2:
The hotstick tool is designed as a multi-functional device that can handle C-shaped members, install wedge members, position tap lines, and perform other operations in the power line tapping process. This universal tool replaces multiple specialized tools, reducing the number of tools required and the time needed to complete the tapping operation
2Reliability
If multiple workers are used to handle hotsticks and tools, then the power line tapping can be performed safely, but the time required to complete the job increases
Solution Approach 1:
By merging multiple tool-handling functions into a single hotstick tool, the patent enables one lineman to safely perform operations that previously required coordination between multiple workers. The integrated design maintains safety through proper dielectric isolation while eliminating the time loss associated with worker coordination and tool transitions
Solution Approach 2:
The hotstick tool is pre-configured with holders and positioning mechanisms that prepare the C-shaped member and wedge member for installation before contact with the live power line. This preliminary preparation can be done while maintaining safe distances, reducing the time the lineman must be in close proximity to high voltage conductors
3Reliability
If traditional tapping methods are used with multiple tools, then the power line connection can be established, but the cost and time requirements increase
Solution Approach 1:
The integration of multiple functions into one hotstick tool streamlines the tapping process, allowing the lineman to complete the connection faster while maintaining reliability. The tool ensures proper positioning and secure installation of the wedge-type tap connector, guaranteeing a reliable electrical connection between the main power line and tap line
Data Source
AI summary
A hotstick tool for assisting a lineman tapping power lines using a wedge-type tap connector includes a primary arm including a first holder to releasably engage a C-shaped member of the wedge-type tap connector. A secondary arm includes a second holder to releasably engage a wedge member of the wedge-type tap connector. A pivoting linkage system guides movement of the secondary arm relative to the primary arm to insert the wedge member into the C-shaped member.