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SPEPC TECHNOLOGY
Solution
Rail Displacement Monitoring and Early Warning Solution
Background Introduction
Following the widespread adoption of continuous welded rails, rail thermal expansion and contraction (creep) as well as vertical rail displacement caused by uneven subgrade settlement have become critical factors affecting the stability of the track structure.
Excessive rail displacement may lead to joint cracking, track buckling, or fastener failure, thereby posing a direct threat to train safety.
Traditionally, manual measurements using displacement gauges suffer from low frequency, poor accuracy, and an inability to detect sudden displacements. Therefore, it is necessary to establish an automated, high-precision, multi-point rail‑displacement monitoring and early‑warning system that can track real-time trends in rail displacement, providing a reliable basis for maintenance and repair operations.
Solution Overview
This scheme adopts Visual Intelligence Deformation Monitor or a combination with a wire‑pull type displacement transducer.
For large-scale, multi-point displacement monitoring, a visual monitoring approach should be prioritized:
A visual monitoring device is installed at a stable location on the outer side of the rail, and infrared target markers are mounted on the rail web or base to correspond to specific measurement points, enabling real-time monitoring of longitudinal rail creep and vertical settlement.
For applications requiring high‑precision measurements at a single point, a wire‑pull type displacement transducer can be selected to directly measure the displacement.
Data is uploaded to the platform via 4G or LoRa, where the platform generates displacement–temperature curves and analyzes changes in the locked rail temperature.
When the displacement exceeds the allowable range of the locked rail temperature or undergoes a sudden change, an automatic early warning is triggered to guide track maintenance personnel in performing stress relief or adjusting the track.
FEATURES OF THE SOLUTION
Multi-point non-contact monitoring
High-precision displacement measurement
Temperature-Linked Analysis
Abnormal Trend Alert
Maintenance-free design
Platform Display
The automated slope‑monitoring system platform along railway lines is a critical technological solution for ensuring railway safety. By deploying various sensing devices—such as displacement sensors and tilt sensors—on the slopes, it continuously tracks deformation, movement, and inclination in real time. Leveraging advanced data‑processing and analytical algorithms, the system can swiftly and accurately identify potential geological hazard risks and issue timely alerts. The platform also includes a remote monitoring and management center, enabling operations and maintenance personnel to access slope‑monitoring data in real time and implement appropriate response measures based on data analysis. With its features of automation, intelligence, and robust real‑time performance, this platform helps safeguard railway operations and mitigate latent disaster risks.
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Contact Information
6th Floor, Building 10, Entrepreneurship Industrial Park, Chaoyang Township, Qixing District, Guilin City, Guangxi Zhuang Autonomous Region
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