Rope Brake Apparatus for Power Line Installation Safety
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Solution Overview
Problem
The current method of installing power lines often requires blocking roads and poses safety risks due to drooping ropes during the installation process, necessitating an improved apparatus, assembly, and method to suspend ropes above the ground.
Innovation Solution
A rope brake apparatus comprising a base with opposed cam cleats that allow movement in one direction and prevent movement in the opposite direction, attached to a power pole receiver, enabling the rope to be suspended above the ground.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If ropes are used to pull power lines through pulleys during installation, then the power lines can be installed across the span, but the ropes droop to the ground requiring road blocking and creating safety risks
Solution Approach 1:
The invention introduces a vertical dimension solution by elevating the rope from ground level to overhead suspension. The rope brake apparatus mounted on the crossbar holds the rope in an elevated position, changing the rope's spatial dimension from horizontal (ground level) to vertical (suspended), thereby eliminating the need for road blocking while maintaining installation functionality
Solution Approach 2:
The rope brake apparatus serves as an intermediary device between the rope and the crossbar. It provides a mechanical interface that enables the rope to be suspended overhead without direct ground contact, mediating the transition from ground-level rope handling to elevated suspension, thus eliminating safety hazards while preserving the rope's function
2Reliability
If ropes are blocked off from the ground during installation, then worker safety is improved, but the installation process becomes more complex requiring permits and road closures
Solution Approach 1:
The rope brake apparatus is pre-installed on the crossbar before rope installation begins. This preliminary setup creates the overhead suspension capability in advance, eliminating the need for complex road blocking procedures and permits during the actual rope installation process, thereby simplifying the overall procedure while maintaining safety
Solution Approach 2:
The rope brake apparatus is designed to be self-contained and self-supporting when mounted on the crossbar. It automatically maintains the rope in an elevated position without requiring external road blocking mechanisms or additional safety infrastructure, making the safety function self-service and eliminating procedural complexity
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
This solution eliminates the need to block roads and enhances safety by keeping ropes suspended during installation, reducing the risk to workers and simplifying the permitting process.
Implementation Method 1
a pair of opposed cam cleats mounted on the upper surface of the base adjacent each other for allowing movement of a rope between them in one direction and for preventing movement of a rope between them in an opposite direction
Data Source
AI summary
Power lines are installed with a rope brake apparatus that enables a rope to be suspended above the ground during installation and that thereby eliminates the need to block off the ground between power poles. The rope brake apparatus has a pair of opposed cam cleats mounted on a base adjacent each other for allowing movement of a rope between them in one direction and for preventing movement of a rope between them in an opposite direction.