Convertible Railway Floor With Hinged Access Panels and Retractable Stairs
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Solution Overview
Problem
Existing railway vehicles face difficulties in accessing and maintaining components housed in structural extension parts due to their inaccessible locations, which complicates maintenance operations.
Innovation Solution
A modular floor system with hinged panels and a retractable staircase that allows easy access to components by transforming into open positions, providing access to the components while maintaining easy movement for staff.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Volume of moving object
If components are housed in a structural extension part connected to the adjacent car, then space utilization is optimized, but access to components for maintenance becomes difficult
Solution Approach 1:
The floor of the structural extension part is segmented into multiple hinged panels that can be independently opened. This allows maintenance personnel to access specific components by opening only the necessary panel sections, rather than requiring complete floor removal. The segmentation enables selective access while maintaining the integrated structure for space optimization.
Solution Approach 2:
The floor panels are made dynamic through hinges, allowing them to rotate between a closed position (for normal operation and space efficiency) and an open position (for maintenance access). This dynamic capability enables the floor to adapt its configuration based on operational needs versus maintenance requirements, resolving the contradiction between compact housing and accessible maintenance.
2Ease of operation
If a retractable staircase is installed to facilitate movement between floors, then staff mobility is improved, but the structural complexity increases
Solution Approach 1:
The retractable staircase is designed to nest within the floor structure when not in use. The staircase steps can be stored vertically within the floor panel assembly, creating a compact configuration that minimizes structural intrusion. When needed, the staircase extends outward to provide access between floors, reducing overall structural complexity compared to a permanently extended staircase design.
Solution Approach 2:
The staircase incorporates movable components that can extend and retract dynamically. This allows the staircase to adapt its presence based on operational requirements, providing staff mobility when needed while maintaining a cleaner, less complex structural appearance during normal operation. The dynamic nature reduces the need for permanent structural openings or fixed installations.
Data Source
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AI summary
The invention relates to a modular floor (40) for a vehicle, in particular a railway, the modular floor (40) comprising at least one panel (42) movable between a closed position in which the panel (42) provides a passage that a user can use, and an open position allowing access to components located under the modular floor (40), the modular floor (40) further comprising a retractable staircase (52).