Overhead Cable Spacer Arms for Ground-Level Cable Coupling
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing spacer devices for medium voltage overhead cables are difficult to install from the ground, requiring bucket trucks and manual locking of ratchet arms, which increases installation time and cost.
Innovation Solution
A medium voltage overhead cable spacer device with hook-shaped arms and retaining elements that allow easy coupling of conductor cables by applying pressure, enabling installation from the ground using a mechanical rod.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If traditional spacer devices are installed from the ground, then installation cost is reduced, but coupling of conductor cables to arms becomes complicated and time-consuming
Solution Approach 1:
The retaining elements are designed to automatically grip the conductor cable when the arm is pressed against the cable, eliminating the need for manual locking mechanisms. The spring-loaded retaining element engages the cable simply by applying pressure, allowing ground-level installation without complex coupling procedures
Solution Approach 2:
Instead of requiring manual locking of ratchet arms from above, the invention inverts the coupling mechanism so that pressing the arm against the cable automatically engages the retaining element. This reversal enables easy ground-level installation while maintaining secure cable attachment
2Reliability
If ratchet arms with manual locking are used, then cable retention is secure, but installation time increases and ground-level installation becomes difficult
Solution Approach 1:
The spring-loaded retaining element automatically engages the conductor cable when pressure is applied to the arm, eliminating the need for manual locking operations. This self-engaging mechanism maintains secure cable retention while dramatically reducing installation time and enabling ground-level installation
Solution Approach 2:
The invention extracts the complex manual locking mechanism from the ratchet arm system and replaces it with a simple spring-loaded retaining element that engages passively. This removal of unnecessary complexity reduces installation time while maintaining reliable cable retention
3Ease of operation
If bucket trucks are used for installation, then cable coupling is easier, but installation cost increases
Solution Approach 1:
The automatic engaging mechanism of the retaining element allows cable coupling to be performed from ground level without requiring bucket trucks or aerial work platforms. The simple pressure-actuated engagement maintains ease of operation while eliminating the need for expensive aerial installation equipment
Data Source
AI summary
The present invention describes an overhead cable spacer device for coupling and keeping them separate from each other. The spacer device has a spacer body and at least four spacer arms coupled to the spacer body. Each of said at least four spacer arms includes an entering portion to receive the overhead cables and at least two retaining elements. One of said at least four spacer arms comprises a hole in its upper portion in which a mechanical rod is coupled in order for the spacer device to be installed from the ground, and a retaining element allows the coupling of the overhead cable, by means of pressure, and the other retaining element prevents the uncoupling of the overhead cable.