Rotating Aisle Partition for Sleeper Train Door Track Maintenance
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Solution Overview
Problem
In existing sleeper train carriages, only the first partition wall can be detached for maintenance, limiting the accessibility and convenience of maintaining the track for the compartment sliding door, which hampers daily maintenance operations.
Innovation Solution
The design incorporates an aisle-side partition wall with a movable plate that rotates around a hinged point, allowing the top plate of the aisle and the movable plate to be integrated and rotated, exposing the track for compartment sliding door maintenance between the compartment-side and aisle-side partition walls.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If the partition wall is made fixed and stable, then the structural strength is improved, but the ease of maintenance deteriorates
Solution Approach 1:
The partition wall is divided into a fixed plate and a movable plate as separate segments. The fixed plate remains attached to the train body providing structural strength, while the movable plate can be independently rotated to expose the track for maintenance. This segmentation allows the track to be accessible without compromising the overall partition wall structure.
Solution Approach 2:
The partition wall incorporates a movable plate with hinge connection that can rotate between a closed position (maintaining partition function) and an open position (exposing track for maintenance). This dynamic element enables maintenance access while the fixed plate maintains structural integrity when the movable plate is in closed position.
2Ease of repair
If the movable plate is made detachable for maintenance access, then the ease of maintenance is improved, but the device complexity increases
Solution Approach 1:
The partition wall is segmented into fixed and movable plates, with the movable plate being detachable via hinge connection. This allows the track to be accessed by rotating and removing the movable plate, while the fixed plate remains in place. The segmentation enables maintenance access without requiring complete disassembly of the partition wall structure.
Solution Approach 2:
Only the local region requiring maintenance (the movable plate covering the track) is made detachable, while the rest of the partition wall (fixed plate) maintains its permanent structure. This localized detachability provides maintenance access without making the entire partition wall complex or temporary.
3Stability of the object's composition
If the top plate of aisle is fixed to the side wall, then the structural stability is improved, but the ease of operation deteriorates
Solution Approach 1:
The connection between the top plate of aisle and side wall is segmented into a detachable connection at one end and a fixed connection at the other end. The detachable connection allows the top plate to be rotated along with the movable plate for maintenance, while the fixed connection maintains overall structural stability during normal operation.
Solution Approach 2:
The top plate of aisle incorporates a detachable connection that allows it to rotate dynamically when the movable plate is opened for maintenance, while maintaining a stable fixed position during normal operation. This dynamic connection enables maintenance access without compromising operational stability.
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
This design facilitates easier and more comprehensive maintenance of the compartment sliding door track, enhancing maintenance convenience and ensuring a clean, aesthetically pleasing appearance by allowing access above the fixed plate without exposing gaps.
Implementation Method 1
a lower end of the movable plate is hinged to the train body, so that the movable plate and the top plate of aisle rotate together around a hinged point
Data Source
Figure 1~2
Figure 3
Figure 4~5
AI summary
A sleeper train carriage and a sleeper train, a compartment (100) and an aisle (101) is provided within the sleeper train carriage, and a partition wall is provided between the compartment (100) and the aisle (101). The partition wall includes a compartment-side partition wall (1) and an aisle-side partition wall (2). The aisle-side partition wall (2) includes a fixed plate (21) and a movable plate (22) which are arranged in a vertical direction, the movable plate (22) is located above the fixed plate (21), an upper end of the movable plate (22) is fixedly connected to one end of a top plate of the aisle (3), the other end of the top plate of the aisle (3) is detachably connected to the side wall (4) of the train body, and a lower end of the movable plate (22) is hinged to the train body, so that the movable plate (22) and the top plate of the aisle (3) rotate together around a hinged point. During daily maintenance, the top plate of the aisle (3) and the movable plate (22), which are fixed integrally, can be rotated to expose the track for compartment sliding door (1001) between the compartment-side partition wall (1) and the aisle-side partition wall (2), so that the track for sliding door (1001) of the compartment can be daily maintained above the fixed plate (21), which facilitates daily maintenance.