Rail Cover With Ratcheting Connection For Cable Protection
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Solution Overview
Problem
Existing methods for routing cables under railway tracks are costly, time-consuming, and cause wear to cables due to relative movement, and existing solutions like clipping to sleepers or using plastic drainpipes are inefficient or damaging.
Innovation Solution
An adjustable rail cover with mutually connectable parts and a ratcheting connection that extends around the rail foot, providing protection and easy installation without damaging the rail or sleeper, and optionally including sleeper covers for additional protection.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If cables are routed under rails using existing methods (clipping to sleepers or plastic drainpipes), then cable routing is achieved, but cable wear occurs due to relative movement between cables and rails/sleepers
Solution Approach 1:
The rail cover acts as an intermediary protective element positioned between the rail and the cable. It has a U-shaped cross-section that conforms to the rail foot geometry, with an internal cavity that receives and protects the cable. The cover is secured to the rail by clamping arms that engage with the rail foot, creating a protective enclosure that prevents direct contact between the cable and the rail, thereby eliminating wear caused by relative movement.
2Ease of operation
If cables are clipped to railway sleepers, then cable support is achieved, but significant installation time is required which increases cost and complexity
Solution Approach 1:
The rail cover is divided into multiple separable components: a body portion with U-shaped cross-section, clamping arms that can be independently positioned, and a fastening mechanism. This segmentation allows the cover to be assembled and installed in a modular fashion, reducing installation time and complexity compared to traditional clipping methods while maintaining secure cable support.
Solution Approach 2:
The clamping arms are designed to automatically engage with the rail foot when the cover is positioned, and the fastening mechanism allows for tool-free or minimal-tool installation. The structure self-adjusts to conform to the rail geometry, reducing the need for precise alignment and manual adjustment during installation.
3Adaptability or versatility
If plastic drainpipes are used as cable guides under rails, then cable routing is simplified, but cables with plug couplers cannot be run through due to size constraints
Solution Approach 1:
The rail cover design incorporates adjustable and adaptable features: the clamping arms can be positioned at different locations along the rail foot, the fastening mechanism allows for adjustment during installation, and the internal cavity dimensions can accommodate various cable types including those with plug couplers. This dynamic adaptability enables the same cover structure to handle different cable configurations without requiring custom solutions.
4Ease of manufacture
If traditional cable routing methods are used, then cable installation is achieved, but the methods are costly and complex requiring on-site adaptation
Solution Approach 1:
The rail cover is designed as a universal solution that can be installed on standard railway rails without requiring custom fabrication or complex on-site adaptation. The U-shaped cross-section conforms to standard rail foot geometry, and the modular design allows for easy installation and removal. The same cover structure serves multiple functions: protecting cables from wear, providing structural support, and accommodating various cable types, thereby reducing overall system complexity and cost.
Data Source
AI summary
In accordance with an embodiment, there is disclosed a rail cover for covering an underside of a foot of a railway rail, the rail cover comprising: mutually connectable cover parts configured to respectively extend at least partially around opposing sides of the foot of the railway rail and connectable by an adjustable ratcheting connection or an interference fit to resist separation of the mutually connectable cover parts.