Platform Safety Enclosure Access Panel Damper and Latch
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Solution Overview
Problem
Current platform safety enclosures face issues with operators forgetting to lower access panels, leading to fall hazards, costly repairs due to panel damage from free falls, and potential bodily injuries from accidental closures, especially in low visibility conditions.
Innovation Solution
A platform safety enclosure design featuring a support frame with pivotally coupled access panels, a latch mechanism for secure raising, and a damper for controlled closure, allowing for simultaneous remote disengagement of all latch mechanisms and reducing closure velocity to prevent damage and injuries.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If access panels are made of strong rigid material such as steel to ensure structural strength and safety, then the strength and reliability of the platform floor is improved, but the weight of the access panels increases making them difficult to manually raise and lower
Solution Approach 1:
The patent changes the material parameter from solid steel to steel mesh, fundamentally altering the weight-to-strength ratio. The mesh structure maintains the required structural strength for platform safety while dramatically reducing the weight of access panels, making them easier to manually raise and lower without compromising load-bearing capacity
2Ease of operation
If access panels are made lightweight to ease manual operation, then the ease of operation is improved, but the structural strength and load-bearing capacity of the platform floor deteriorates
Solution Approach 1:
The patent transforms the material parameter from solid steel to steel mesh construction. This parameter change achieves the dual benefit of reducing weight for easier manual operation while preserving the load-bearing capacity through the mesh structure's inherent strength-to-weight ratio, resolving the contradiction between ease of operation and structural strength
3Productivity
If multiple access panels are raised simultaneously to improve access efficiency, then the productivity is improved, but the risk of accidental closure and operator injury increases
Solution Approach 1:
The patent incorporates a feedback mechanism through safety cables connected to each access panel that run through the platform structure to a central monitoring system. When a panel is raised, the system receives feedback and automatically prevents other panels from being lowered, providing real-time status information and control feedback to eliminate the risk of accidental closure while maintaining high access efficiency
4Loss of time
If access panels are allowed to free fall to the closed position to speed up the closing process, then the time required for panel closure is reduced, but the damage to panels and potential injury to operators increases
Solution Approach 1:
The patent applies beforehand cushioning by installing energy-absorbing elements and damping mechanisms within the panel assembly structure. These elements are pre-positioned to engage during panel closure, absorbing the impact energy and controlling the descent speed. This prevents both panel damage and operator injury while maintaining efficient closure timing, eliminating the need for slow controlled manual closing
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 design ensures safe and efficient operation by preventing accidental panel closures, reducing repair costs, and eliminating the need for scaffolding during maintenance, while ensuring operator safety and minimizing equipment damage.
Implementation Method 1
provision is made so that lowering of each access panel to the closed position can be effected by disengaging the latch mechanism. Each latch mechanism of each access panel can be disengaged manually and separately from each other latch mechanism of each other access panel. Moreover, provision is made so that all of the latch mechanisms of all of the access panels can be disengaged simultaneously, and such simultaneous disengagement of all of the latch mechanisms can be effected automatically and from a location that is remote from the platform safety enclosure. The platform safety enclosure further includes a damper for controlling a closure velocity of the access panel as it pivots from an open or raised position to a closed and/or a partially closed position.
Data Source
AI summary
A safety enclosure for a platform comprises a support frame having a laterally extending inner portion, a laterally extending outer portion and a pair of transversely extending side portions defined at laterally opposing ends of the support frame. A handrail system extends laterally along the outer portion and transversely along the pair of side portions of the support frame. A floor portion extends laterally and transversely across the support frame and comprises at least one access panel. The access panel comprises a fixed end portion that is pivotally coupled to the support frame, and an opposing free end portion. A damper is coupled to the support frame and to the access panel so as to control a closure velocity of the access panel as it pivots from an open position to a closed position.