Development and Application of Transverse Wheel-rail Rolling Vibration Test Rig in Rail Transit
A wheel-rail rolling vibration test rig was designed and manufactured for studying the mechanical changes in the wheel-rail system.The test rig includes Solidworks 3D modeling,mechanical structure design,selection of standard parts,manufacturing of non-standard parts,factory processing and assembly.The wheel-rail simulator was designed and analyzed based on the actual geometric dimensions and resonance frequencies of the wheel and rail.The corresponding axle load simulator,axial drive and constraint device,wheel-rail angle adjustment device,and overall frame support device were designed and manufactured in the factory.After the adjustment,the longitudinal creep sliding force characteristics curve of the wheel and rail was studied,and it was found that the increase in axle weight can suppress the lateral creep sliding between the wheel and rail and reduce wheel and rail damage.
rolling vibrationwheel-rail relationshipthree-dimensional designmechanical design
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