Rail gauge rod is a kind of steel member that is used to connect two rails together at the bottom of a rail gauge rod so as to improve the lateral stability of rails and improve the gauge-keeping capacity of the railway track.
Types of Railroad track gauge rods include insulated gauge rods and non-insulated gauge rods. Insulated gauge rods are needed in railway lines with the electric circuit. The insulation material is placed in the middle of the rod.
Application Scenarios of Rail Gauge Tie Rods
Gauge tie rods primarily maintain standard gauge alignment in tangent track sections. By connecting both running rails, these rail braces provide lateral restraint to resist transverse loads generated during train movement.
When trains negotiate curved track segments, track rails experience significantly greater lateral forces due to centrifugal action, making them highly susceptible to outward displacement. Under such conditions, gauge bars must withstand increased tensile forces to constrain rail movement and preserve gauge stability.
Turnouts represent structurally vulnerable areas within track systems due to their geometric complexity. During train passage through railroad switches, wheels exert complex impact forces and lateral loads on components, frequently causing gauge variation. Within switch panels, gauge tie bars primarily stabilize track gauge and enhance structural integrity.
Heavy-haul railway operations involve substantially greater freight weights and higher axle loads, causing track rails to endure vertical pressures and lateral forces far exceeding conventional railways. On heavy-haul corridors, gauge retaining devices require enhanced strength and durability to withstand extreme mechanical conditions.
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