Fall Protection Gate Assembly with Cutaway Rail Sections
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Solution Overview
Problem
Current rail systems for fall protection at heights lack an effective and safe method for mounting and unmounting shuttles, particularly in systems where workers need to move significant distances, posing risks during entry and exit operations.
Innovation Solution
An entry/exit gate assembly with a rail, gate, and gate manipulation member that includes aligned cutaway sections and a locking bore, allowing the gate to be selectively locked in a static position, enabling secure and efficient connection and disconnection of shuttles from the rail system.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Length of moving object
If a rail system is used for fall protection where workers move significant distances, then worker mobility and task completion are improved, but the risk during entry and exit operations increases due to lack of effective mounting and unmounting methods
Solution Approach 1:
The rail system is segmented into sections with cutaway portions that allow controlled access points. The gate assembly divides the rail into secured zones and access zones, enabling workers to safely mount and dismount at specific locations while maintaining protection in other areas.
Solution Approach 2:
The gate assembly acts as an intermediary component between the worker and the rail system during entry and exit operations. It provides a controlled interface that allows safe interaction with the rail while maintaining overall system security, mediating the transition between safe and unsafe zones.
2Ease of operation
If cutaway sections are added to the rail for shuttle mounting and unmounting, then ease of operation is improved, but the structural integrity and security of the rail system deteriorates
Solution Approach 1:
The rail is divided into continuous intact portions and segmented cutaway portions. This segmentation allows the rail to maintain its structural integrity in the majority of its length while providing localized access points for shuttle operations without compromising overall strength.
Solution Approach 2:
The rail structure has different qualities at different locations: intact sections provide maximum structural strength and security, while cutaway sections provide localized access functionality. Each portion is optimized for its specific function, allowing the whole system to achieve both strength and operability.
3Reliability
If a gate assembly with locking mechanism is implemented, then safety during entry and exit is improved, but the device complexity increases
Solution Approach 1:
The gate assembly incorporates a self-latching mechanism that automatically secures itself when the gate is closed. The locking mechanism is designed to engage automatically without requiring separate manual operations, allowing the gate to service its own locking function and reducing operational complexity.
Solution Approach 2:
The gate manipulation member combines multiple functions into a single component: it controls gate movement, engages the locking mechanism, and interfaces with the rail's locking bore. By merging these functions into one integrated component, the overall device complexity is reduced while maintaining safety functionality.
Data Source
AI summary
An entry/exit gate assembly for a shuttle based fall protection system is provided. The entry/exit gate assembly includes a rail, a gate and a gate manipulation member. The rail has at least one entry/exit cutaway section. The gate is slidably engaged with the rail and the gate manipulation member coupled to selectively lock the gate in a static position in relation with the rail to block access to the at least one entry/exit cutaway section.