Railway Switch Rod Support Assembly

The switch rod support assembly addresses the stress and noise issues of unsupported switch rods by using hangers, tension, and roller assemblies with insulating layers, enhancing safety and efficiency in railway operations.

US20260098386A1Pending Publication Date: 2026-04-09VOESTALPINE RAILWAY SYSTEMS NORTRAK LLC
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Patent Information

Application Number
US19/338321
Authority / Receiving Office
US · United States
Patent Type
Applications(United States)
Current Assignee / Owner
Priority Date
2024-10-07
Filing Date
2025-09-24
Publication Date
2026-04-09

AI Technical Summary

Technical Problem

Switch rods in moveable point frogs experience significant stress due to their unsupported floating position between the switch machine and the moveable point, leading to potential failure, increased maintenance costs, and operational inefficiencies, while also causing noise interference and risking property and human safety.

Method used

A switch rod support assembly that interfaces with the switch rod and rail, utilizing hangers, a tension assembly, and a roller assembly to provide support and rolling motion without interfering with the ballast or running rail, while incorporating insulating layers to prevent electrical current transfer.

Benefits of technology

The solution reduces stress on switch rods, minimizes noise, maintains track integrity, and reduces maintenance costs by providing versatile, non-invasive installation that can be retrofitted to existing tracks, ensuring safer and more efficient railway operations.

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Abstract

A solution for a railway switch rod support assembly is disclosed. The railway switch rod support assembly comprises a plurality of hangers which may include a first hanger and a second hanger. The railway switch rod support assembly may further include a plurality of insulating layers. The plurality of insulating layers is configured to insulate the rail from electrical interference. Furthermore, the railway switch rod support assembly includes a roller assembly comprising an axle and a roller. The roller assembly is disposed between the first hanger and the second hanger. The railway switch rod support assembly also comprises a tension assembly configured to apply tension to the roller assembly. The tension assembly is disposed between the first hanger and the second hanger. As such, the disclosed solution improves safety and reduces maintenance costs.
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