Geared Spacer Assembly for Conductor Spacing
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Conductor bundles in the electrical utilities industry face challenges with higher wind loading, leading to arcing issues, and existing spacers require fasteners to be removed for installation or adjustment, which can be lost or misplaced, complicating the process.
Innovation Solution
A spacer assembly with first and second clamping bodies featuring serrated portions and a fastener with teeth that engage the clamping bodies, allowing for secure connection without removing the fastener, ensuring fixed spacing between conductors and preventing movement after installation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If existing spacers use a fastener that must be removed for installation, then the spacer can be assembled, but the fastener may be lost or misplaced complicating the process
Solution Approach 1:
The fastener is integrated into the spacer assembly as a permanent component rather than a separate removable element. The fastener is inserted through both clamping bodies and secured with lock washers and nuts, merging the fastening function into the structural assembly itself, eliminating the risk of loss or misplacement during installation
Solution Approach 2:
The spacer assembly is designed to be self-contained with all fastening components permanently attached. The serrated portions on clamping bodies and fastener create self-locking engagement that maintains spacing without requiring removal or reattachment of fasteners, making the assembly self-sufficient
2Strength
If a fastener is used to secure spacer members, then the connection is secure, but the fastener must be removed to open or close the spacer
Solution Approach 1:
The spacer is divided into two separate clamping bodies that can be independently positioned along the conductor. The serrated interfaces between components allow for adjustable positioning while maintaining secure connection, enabling the spacer to be opened or closed without removing fasteners
Solution Approach 2:
The spacer assembly transitions from a static fixed-design spacer to a dynamic adjustable spacer. The serrated portions on clamping bodies and fastener enable controlled movement and repositioning along the conductor while maintaining secure engagement, allowing adjustment without fastener removal
3Loss of energy
If conductor bundles are used to reduce energy losses, then transmission efficiency increases, but wind loading increases causing arcing issues
Solution Approach 1:
The spacer uses non-conducting material that can withstand wind loading forces without conducting electricity. The design prioritizes mechanical strength against wind forces while maintaining electrical insulation, accepting that the spacer may need replacement rather than repair under extreme conditions
Solution Approach 2:
The non-conducting spacer acts as an intermediary element between conductors, providing both mechanical support against wind loading and electrical insulation to prevent arcing. This mediator component isolates the conductors from direct contact while withstanding external wind forces
Data Source
AI summary
A method of spacing conductors includes positioning a conductor between a first clamping body and a second clamping body. A fastener received by the first and second clamping bodies is rotated in a first direction causing a first set of teeth associated with the fastener to engage a second set of teeth associated with the first clamping body to move the first clamping body toward the conductor.