Modular Track Switch with Rotating Turntable
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Solution Overview
Problem
Existing track switching methods require cutting into main tracks for installation, leading to long installation times, interruptions, high costs, and are not cost-effective for smaller or infrequently used tracks.
Innovation Solution
A track switching system that allows for quick, unlimited switching without cutting existing tracks, featuring a turntable section, track sections, and ramp sections that can be rotated to connect any two tracks, regardless of geometry or slope, using a pivot pin and actuator system for alignment and support frames for stability.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If traditional track switching methods are used, then track switching functionality is achieved, but installation requires cutting into main tracks causing long installation times and disruptions
Solution Approach 1:
The track switch is divided into separate modular components including a first module with clamp assembly, a second module with turntable and bearing, and additional track sections. These pre-fabricated modules can be transported and assembled without cutting existing tracks, enabling quick installation while maintaining full switching functionality.
Solution Approach 2:
The invention introduces intermediate connection components such as clamps, bearing plates, and connection plates that serve as mediators between the modular track sections and existing tracks. These intermediaries enable attachment without cutting, allowing the track switch to be installed by connecting pre-fabricated modules to existing track infrastructure.
2Productivity
If traditional track switching methods are used, then track switching is achieved, but installation causes interruptions to main track operations
Solution Approach 1:
By segmenting the track switch into separate installable modules that connect to existing tracks via clamps rather than requiring cuts, the system enables installation during periods when the main track remains operational. The modular design allows installation in sections without disrupting through-traffic on the main line.
3Reliability
If traditional track switching methods are used, then switching functionality is provided, but installation costs are high
Solution Approach 1:
The modular construction allows each component to be manufactured separately using standard fabrication processes, reducing overall manufacturing complexity and cost. The standardized clamps, bearing plates, and connection plates can be produced in batches, achieving economies of scale while maintaining reliable switching functionality.
Solution Approach 2:
The self-contained modular design with integrated connection mechanisms allows for simplified installation procedures that reduce labor costs and installation time, while the robust clamp and bearing assemblies provide reliable, maintenance-free operation that reduces long-term operational costs.
4Reliability
If traditional track switching methods are used, then main line turnout switching is achieved, but the solution is not cost-effective for smaller or infrequently used tracks
Solution Approach 1:
The modular design enables the track switch to be configured in different sizes and configurations depending on the specific application requirements. Smaller or infrequently used tracks can utilize simplified versions with fewer modules or smaller bearing capacities, while main line applications can employ full-scale modular assemblies, making the system adaptable across diverse applications.
Solution Approach 2:
The standardized modular components with universal connection interfaces (clamps, bearing plates, connection plates) can be used across different track configurations and applications. The same basic module design serves both main line turnout applications and smaller industrial track applications, eliminating the need for custom-designed switching systems for different scales.
Data Source
AI summary
A track switch includes a turntable section, one or more track sections coupled together to form a single track, and a pair of ramp sections coupled to opposing ends of the single track. One of the track sections is rotationally coupled to the turntable section to allow ramp sections to rotate relative to the turntable section and selectively connect a first railroad track to a second railroad track.