Transformer Lid Lifting Tool for Upright Safe Access
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Solution Overview
Problem
The existing methods for accessing and maintaining power transformers pose risks of back strain and exposure to electrical hazards due to the need for individuals to bend down and lift the lid, which can lead to injuries and safety concerns.
Innovation Solution
A tool with a handle, pivotally connected rail, and a hook or magnet that engages the bottom edge of the transformer lid, providing leverage and allowing the lid to be lifted from a standing position, reducing the physical effort and risk of injury.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If an individual bends down to lift the transformer lid directly, then the lid can be opened, but back strain and injury risk increase
Solution Approach 1:
The patent introduces a lid lifting tool as an intermediary device between the operator and the transformer lid. The tool includes a handle, a rail pivotally connected to the handle, and a hook connected to the rail that engages the bottom edge of the lid. This intermediary tool transfers the lifting force from the operator's hand to the lid, eliminating the need for direct manual lifting and bending, thereby resolving the contradiction between ease of operation and back strain prevention.
2Ease of operation
If an individual bends down close to the transformer, then the lid can be accessed, but exposure to electrical flash hazards increases
Solution Approach 1:
The lid lifting tool serves as an intermediary that allows the operator to remain at a safe distance from the transformer. By engaging the hook with the lid's bottom edge and lifting through the extended rail and handle mechanism, the operator can open the lid without bending down close to the transformer, thus maintaining ease of operation while minimizing exposure to electrical flash hazards.
3Device complexity
If traditional manual lifting method is used, then no additional equipment is needed, but energy and strength requirements increase
Solution Approach 1:
The lid lifting tool incorporates dynamic elements, specifically the rail that is pivotally connected to the handle, allowing the tool to adapt its configuration during the lifting process. The rail can pivot to provide optimal leverage at different stages of lid opening, and the hook engages the lid's bottom edge to distribute the lifting force. This dynamic design provides mechanical advantage, reducing the energy and strength required by the operator while maintaining relatively simple device 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
The tool enables safe and efficient opening of transformer lids by minimizing back strain and reducing the risk of injury, allowing the lid to be lifted with less energy and strength, potentially up to five times less than traditional methods, while maintaining a safe upright position.
Implementation Method 1
a magnet connected to a second end of the rail
Data Source
AI summary
A transformer lid lifting tool is disclosed. The transformer lid lifting tool including a handle; a rail pivotally connected to the handle; and a hook connected to a first end of the rail and a magnet connected to a second end of the rail, the hook being configured to engage a bottom edge of a transformer lid.