Modular Cable Trough and Walkway for Railway Infrastructure
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Solution Overview
Problem
Existing railway infrastructure lacks a cost-effective and easily retrofittable solution for providing a safe, level walkway alongside tracks while also routing communication and power cables, particularly on uneven ground, which complicates tool and equipment transport and cable management.
Innovation Solution
A modular, U-shaped cable trough system constructed from recycled polyolefin materials, featuring a central upright member for cable segregation and supporting a lid/walkway, manufactured in smaller, interchangeable components for easier assembly and transportation, with features like textured surfaces for grip, reflective elements for visibility, and cable cleats for security.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a walkway is constructed from flattened and compressed earth to meet safety regulations, then worker safety is improved, but the ability to transport tools and equipment is worsened
Solution Approach 1:
The walkway is divided into modular panels that can be easily assembled and disassembled. Each panel is a self-contained unit with standardized dimensions, allowing workers to quickly construct access roads without complex construction processes, while maintaining a solid, transportable surface for tools and equipment.
Solution Approach 2:
The walkway panels serve multiple functions: they provide a safe walking surface, create a transportable road for tools and equipment, and can be configured in various layouts to accommodate different work scenarios. The same panel structure supports both pedestrian safety and equipment transport needs.
2Adaptability or versatility
If cable routing is provided alongside railway tracks, then cable management is improved, but the complexity of integrating walkway and cable routing is worsened
Solution Approach 1:
The walkway panel and cable trough are merged into a single integrated component. The cable trough is formed as an integral part of the panel structure, eliminating the need for separate cable routing installations. This integration reduces overall system complexity while providing both walkway and cable management functions.
Solution Approach 2:
The panel structure is designed to perform multiple functions simultaneously: providing a safe walking surface, routing cables, and supporting overhead signage. This multi-functionality reduces the number of separate systems needed and simplifies integration with existing railway infrastructure.
3Reliability
If a custom walkway system is constructed to meet safety standards, then worker safety is improved, but the cost and time of construction are worsened
Solution Approach 1:
The walkway is constructed from pre-fabricated modular panels that can be quickly assembled on-site without extensive construction processes. The standardized dimensions and interlocking design enable rapid deployment, reducing both construction time and labor costs while maintaining safety standards.
Solution Approach 2:
The panels are designed to be cost-effective, temporary solutions that can be installed quickly for specific work periods and removed or reconfigured when no longer needed. This approach avoids the high costs of permanent infrastructure while providing adequate safety for the duration of railway maintenance work.
4Strength
If the trough is manufactured as a single piece, then structural integrity is improved, but manufacturing cost and transportation difficulty are worsened
Solution Approach 1:
The trough is divided into modular panel sections that can be manufactured using smaller, more cost-effective molding equipment. The segmented design allows for easier transportation and handling, while the interlocking joints and integrated support structures maintain the structural integrity needed for supporting cables and withstanding ground conditions.
Data Source
Figure 1
Figure 2
Figure 3a
AI summary
Disclosed is a combined cable trough and walkway comprising: a first component for carrying cables, said first component having a channel formed from a base and two generally upright sidewalls extending therefrom, wherein said channel is divided into two sub-channels by a generally upright member extending from the base; and a second component, arranged in use, to form a lid to cover the first component and to provide a walkway, and wherein the first component comprises a plurality of parts arranged to be fitted together before use.