Rail Chamber Filling Element Segmentation
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Solution Overview
Problem
Existing rail chamber filling elements face challenges in adapting to varying grid spacings, stability, stray current insulation, and ease of installation, particularly when not laterally supported by a road surface, and often require complex manufacturing and assembly processes.
Innovation Solution
The rail chamber filling element is designed with a base body made of harder rubber-elastic material and compression sections made of softer, compressible material, allowing for length adjustment and easy trimming to match the track grid, while maintaining stability and stray current insulation capabilities.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If rail chamber filling elements are made of harder rubber-elastic material for stability and stray current insulation, then stability and insulation are improved, but the material becomes difficult to compress and trim on site
Solution Approach 1:
The rail chamber filling element is divided into two distinct sections: a base body made of harder rubber-elastic material for stability and insulation, and a compression section made of softer, compressible material for easy adjustment. This segmentation allows each section to fulfill its specific function without compromise.
Solution Approach 2:
Different sections of the filling element have different material properties tailored to their specific functions. The base body uses harder material for structural integrity and insulation, while the compression section uses softer material for compressibility and ease of trimming, achieving local optimization of material properties.
2Ease of manufacture
If rail chamber filling elements are designed as one-piece structures, then manufacturing is simplified, but adaptation to varying grid spacings becomes difficult
Solution Approach 1:
The compression section is designed to be dynamically adjustable through compression and trimming operations. This allows the overall length of the filling element to be adapted to different grid spacings while maintaining the structural integrity of the base body, combining manufacturing simplicity with field adaptability.
3Ease of operation
If chamber filling elements are clamped or glued into the rail chamber without lateral road surface support, then installation flexibility is improved, but stability and load-bearing capacity deteriorate
Solution Approach 1:
The filling element uses a composite structure combining harder rubber-elastic material in the base body for strength and stability, with softer compressible material in the compression section. This composite approach maintains load-bearing capacity while allowing flexible installation methods including clamping and gluing without lateral road surface support.
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 enables easy adaptation to different grid spacings, simplifies installation, and reduces manufacturing complexity, ensuring stability and effective stray current insulation, with the added benefit of being easier to produce and install, while minimizing the risk of material degradation from water absorption.
Implementation Method 1
the rail chamber filling elements being somewhat compressed in the longitudinal direction, and at least predominantly only the compression section being compressed
Implementation Method 2
the base body is essentially compressed due to its much greater hardness retains its shape and length
Data Source
Figure 1~3
Figure 4~5
Figure 6~8
AI summary
The rail chamber filling element (20) is provided with base portion (22) and compression section (24) that is made of harder elastic material and softer compressible material respectively. The filling element is extended longitudinally along longitudinal direction of rail (10) that is provided with rail head (12) and rail base (14). A connecting web (16) installed on both sides of rail to forms rail track. Independent claims are included for the following: (1) a rail chamber filling system; (2) a railway track; and (3) a method for building rail chamber filling element into rail.