Rail anchors are an essential component of railway tracks that play a crucial role in keeping the tracks stable and safe for trains to travel on. Rail anchors are small, U-shaped pieces of metal that are attached to the rail base and sleepers, commonly made of cast iron, steel, or ductile iron.
Rail anchors function by clamping the bottom or sides of the rail, securing it firmly to the sleeper. Their core function is to prevent longitudinal rail movement or creep.
Rail anchors specifications
| Type | Used in 50Kg, 85Kg,90/91LB, 115RE /136RE ,UIC54 & UIC60 rail, or other types upon customers' drawings. | ||
| Material | 60Si2MnA | 45# | QT500-7 |
| Chemical composition(%) | C:3.60-3.80, Mn:≤0.6, Si:2.50-2.90, P:≤0.08, S:≤0.025 | ||
| C:0.56-0.64, Mn:0.60-0.90, Si:1.60-2.00, Cr:≤0.35, P:≤0.03, S:≤0.03 | C:0.42-0.50, Mn:0.50-0.80, Si:0.17-0.37, Cr:≤0.25, P:≤0.035, S:≤0.035 | ||
| Surface | plain (oiled),color painting, zinc painted or HDG | ||
| Standard | AS1085.10-20002 , DIN, ISO-9001 | ||
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Rails experience significant longitudinal thrust and braking forces when high-speed trains or heavy vehicles pass over them. In addition, rails expand and contract due to temperature changes. Without longitudinal restraint, rails are prone to slight movements, which can accumulate over time, resulting in track gauge deviations, uneven tracks, or even derailments. Rail anchors, through their structural design, transfer these longitudinal forces to the sleepers and track bed, keeping rails in their design positions and ensuring track stability.
Rail anchors are typically used in combination with rail tie plates, rail spikes, and bolt systems. When train wheel loads act on the rails, the anchors hold the rail base firmly, minimizing any longitudinal movement along the sleeper.
GNEE RAIL supplies a wide range of railway rail anchors and related fastening components, offering customized processing and installation guidance according to client requirements, ensuring safe and long-term stable track operation. For selection advice or quotations, please contact GNEE RAIL.
