Rail Interior Trim Vibration Decoupling With C-Profile Mounting
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Solution Overview
Problem
Existing vibration decoupling systems for railway vehicles are complex and difficult to assemble, which complicates their installation and maintenance.
Innovation Solution
A simplified vibration decoupling system comprising a first C-shaped profile fixed to the vehicle body and a second U-shaped profile fixed to the interior trim, connected by a damping material to attenuate vibrations between the two, with a screw and washer assembly for easy installation and protection from dirt and humidity.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a damping material is arranged to decouple the interior trim from the vibrations of the body, then vibration decoupling is achieved, but the structure becomes complex and assembly becomes complicated
Solution Approach 1:
The patent combines the fixing function and vibration decoupling function into a single integrated component. The C-shaped profile with integrated fixing elements merges the structural support and vibration isolation functions that were previously separate, thereby achieving vibration decoupling while maintaining simple structure and easy assembly
2Reliability
If a damping material is arranged to decouple the interior trim from the vibrations of the body, then vibration decoupling is achieved, but assembly becomes complicated
Solution Approach 1:
The fixing rail and C-shaped profile are designed as integrated components with pre-configured fixing elements, merging the assembly operations into a single straightforward process. This integration eliminates complicated multi-step assembly procedures while maintaining effective vibration decoupling through the damping material
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 system effectively decouples vibrations between the vehicle body and interior trim, offering a straightforward assembly process and protection of the damping material, resulting in improved comfort and reduced maintenance complexity.
Implementation Method 1
a damping material 12 connecting the first part 8 to the second part 10 such that a vibration of the first part 8 is decoupled from a vibration of the second part 10
Data Source
Figure 1
AI summary
Vehicle (1), in particular a railway vehicle, comprising a body element (2) including at least one mounting rail (3), an interior trim element (4) and a decoupling system (6), the decoupling system (6) connecting the body element (2) of the vehicle (1) to the interior trim element (4) of the vehicle (1), the decoupling system (6) comprising: - a first part (8) fixed to the body element (2), the first part (8) comprising a first C-shaped profile (16) having an opening (14) facing the interior trim element (4), the first part (8) comprising a pin (32) projecting from the first profile (16), and a screw (34) screwed onto the pin (32), the screw (34) having a head (36) received in a mounting space (7) formed by the mounting rail (3) of the body element (2), - a second part (10) fixed to the interior trim element (4),and - a damping material (12) connecting the first part (8) to the second part (10) such that a vibration of the first part (8) is decoupled from a vibration of the second part (10).