Hot Stick Tie Tube Attachment Tool for Wire Installation
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Solution Overview
Problem
Existing methods for attaching tie tubes to overhead conductors are inefficient and require significant skill, often leading to improper installation and premature wear between the wire and insulator, due to the difficulty in using hot sticks with thick rubber gloves and non-conductive extensions.
Innovation Solution
A tool with a body and engagement fingers that couples to a hot stick, allowing for the attachment of tie tubes to wires by engaging the tube's ends and using the hot stick to overcome the engagement force for secure attachment, reducing the need for manual finesse and allowing single-person operation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If existing methods for attaching tie tubes to overhead conductors are used, then the operation can be performed with basic equipment, but the installation is inefficient and requires significant skill leading to improper installation
Solution Approach 1:
The attachment tool serves as an intermediary device between the hot stick and the tie tube, providing a standardized interface that simplifies the attachment operation. The tool includes a body with engagement portions that securely hold the tie tube, allowing workers to attach tie tubes without requiring advanced manual dexterity or finesse when operating hot sticks with thick rubber gloves
Solution Approach 2:
The attachment tool is designed to be self-aligning and self-retaining through its engagement portions (fingers) that automatically position and secure the tie tube in the correct orientation. The engagement force between the fingers and the tie tube maintains proper positioning during the attachment process, reducing the skill level required for proper installation
2Reliability
If manual attachment methods are used, then no additional equipment is needed, but the process is time-consuming and leads to premature wear
Solution Approach 1:
The attachment tool pre-positions the tie tube with its interior surface properly oriented toward the wire before the actual attachment occurs. The engagement portions securely hold the tie tube in the correct position during transport and positioning, ensuring that when the hot stick applies force to overcome the engagement force, the tie tube is already correctly aligned for attachment, preventing premature wear from misalignment
Solution Approach 2:
The attachment tool acts as a mediator that ensures consistent, proper installation every time by maintaining precise positioning of the tie tube throughout the process, thereby improving reliability and reducing the time needed for rework or adjustments
3Reliability
If hot sticks with thick rubber gloves and non-conductive extensions are used, then safety requirements are met, but manual finesse is reduced making attachment difficult
Solution Approach 1:
The attachment tool provides a mechanical intermediary system that replaces the need for manual dexterity. The engagement portions (fingers) mechanically secure the tie tube, and the body provides structural support, allowing workers to attach tie tubes safely using hot sticks with thick rubber gloves and non-conductive extensions without requiring fine manual control
Solution Approach 2:
The attachment tool performs the positioning and securing functions automatically through its engineered engagement portions, compensating for the loss of manual finesse caused by wearing thick protective gloves and using non-conductive extensions
Data Source
AI summary
An attachment tool for attaching a tie tube to a wire includes a body and a first engagement portion extending away from the body. The first engagement portion releasably engages a first end of the tie tube for attachment of the first end of the tie tube to the wire. A second engagement portion extends away from the body and releasably engages a second end of the tie tube for attachment of the second end of the tie tube to the wire after attachment of the first end of the tie tube to the wire. A coupling structure is connected to the body, the coupling structure coupling to a hot stick.