Axle box bearing comprehensive performance test bench

Abstract

The invention relates to a shaft box bearing comprehensive property testing platform which consists of two electromagnetic vibration exciters, two vibration excitation force measuring sensor assemblies and a testing equipment assembly, wherein the two electromagnetic vibration exciters and the two vibration excitation force measuring sensor assemblies are of the same structures; the vibration excitation force measuring sensor assemblies comprise sensor hinge pin shafts and vibration excitation sensors; the sensor hinge pin shafts and the vibration excitation sensors are connected through hinge pin globe joints; the testing equipment assembly is fixed on the first and second electromagnetic vibration exciters through bolts; the lower ends of the first and second vibration excitation force measuring sensor assemblies are respectively fixed on the first and second electromagnetic vibration exciters through bolts; the upper ends of the first and second vibration excitation force measuring sensor assemblies are respectively connected with first and second shaft box excitation clamps in the testing equipment assembly through hinge pin globe joints. The shaft box bearing comprehensive property testing platform is simple in structure, speed and vibration situations of track vehicle shaft box bearings on actual routes can be simulated, testing environments are real and reliable, and the problem that the reliability of a high-speed train shaft box bearings of track vehicles cannot be tested in actual operation is solved.

Description

technical field [0001] The invention relates to a test device for a rail vehicle axle box bearing, more specifically, the invention relates to a comprehensive performance test bench for an axle box bearing. Background technique [0002] High-speed EMUs are one of the core technologies of high-speed railways. Axle box bearings are an important part of the running process of EMUs. During the actual operation of EMUs, the performance of axle box bearings directly affects the safety of EMUs. If Damage to the axlebox bearing will cause the loss of rotation accuracy of the bearing, increase the vibration, generate noise and rotation resistance, and in serious cases will cause a major vehicle safety accident. Therefore, it is of great significance for the safe operation of EMUs to carry out reliability assessment on EMU axlebox bearings. Contents of the invention [0003] The invention provides a simple structure capable of simulating the speed and vibration of the rail vehicle ...

AI Technical Summary

Problems solved by technology

[0003] The invention provides a simple structure capable of simulating the speed and vibration of the rail vehicle axle box bearing running on the actual line, and can provide a real and reliable test environment for the rail vehicle axle box bearing in the bench test, which overcomes the A comprehensive performance test device for axle box bearings is provided for the problem that rail vehicles cannot be tested for the reliability of the axle box bearings of EMUs in actual operation.

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