Lockout Tagout Plug Sleeve with Polarizing Slot
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Solution Overview
Problem
Existing lockout tagout systems for high-amperage electrical connectors lack convenient and visible mechanisms for securing and unsecuring lockout tags, potentially leading to damage and safety risks during maintenance and repair.
Innovation Solution
A lockout tagout plug sleeve with a cylindrical body, polarizing slot, and strategically positioned lockout tagout hole that traverses the wall, allowing for easy access and visibility of the lockout tag, while being compliant with standards like UL 1686 and CSA C22.2 No. 182.1, and made from suitable materials such as metal to ensure safety and compatibility.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a lockout tagout system is implemented for high-amperage electrical connectors, then safety during maintenance is improved, but accessibility and visibility of the lockout tag may be compromised
Solution Approach 1:
The lockout tagout system is segmented into distinct functional components: a cylindrical body for structural support, a lockout tagout hole for tag insertion, and a polarizing slot for alignment. This segmentation allows each component to be optimized independently, with the hole positioned for easy access while the overall structure maintains safety functionality.
Solution Approach 2:
The cylindrical body acts as an intermediary structure that mediates between the safety requirement (containing the lockout mechanism) and the accessibility requirement (providing easy tag insertion). The body's design with strategically positioned holes and slots allows the lockout tag to be securely held while remaining easily accessible to operators.
2Ease of operation
If the lockout tagout hole is positioned for easy access, then ease of operation is improved, but visibility of the lockout tag may be reduced
Solution Approach 1:
The lockout tagout hole is positioned asymmetrically on the cylindrical body at specific distances and orientations rather than at the center or symmetric locations. This asymmetric positioning optimizes both accessibility from common approach angles and visibility by placing the hole where it can be easily reached while also being in the line of sight for monitoring.
3Device complexity
If the plug sleeve structure is simplified, then device complexity is reduced, but protection of electrical plug components may be compromised
Solution Approach 1:
The cylindrical body serves multiple functions simultaneously: it provides structural protection for the electrical plug components, positions the lockout tagout hole for easy access, incorporates the polarizing slot for alignment, and maintains overall safety functionality. This multi-functionality reduces the need for additional protective structures while maintaining comprehensive protection.
Data Source
AI summary
A lockout tagout hole that traverses at least one wall of a cylindrical body of a lockout tagout plug sleeve, where the lockout tagout hole securely receives a lockout tagout tag. Also disposed on the outer surface of the cylindrical body can be a polarizing slot, where the polarizing slot and an end of the wall of the sleeve are used to orient the position of the lockout tagout hole.