Rail vehicle axle box bearing comprehensive performance and shaft end grounding device wear test bench

Abstract

The invention discloses a rail vehicle axle box bearing comprehensive performance and shaft end grounding device wear test bench which is composed of a test shaft assembly and bearing seat assembly body, and a longitudinal stabilizing mechanism, transverse vibration loading mechanisms, a fan set, test bearing spring lifting mechanisms and vertical vibration loading mechanisms which are fixed on a cast iron T-slot platform. The transverse vibration loading mechanism is coaxially connected with a bearing seat transverse force transfer frame. The longitudinal stabilizing mechanism is fixedly connected with the upper surfaces of slave bearing-bearing seat assemblies. The fan set is installed above test bearing-bearing seat assemblies. The vertical vibration loading mechanisms are connected with the bottom surfaces of the slave bearing-bearing seat assemblies. The tops of the bearings of the test bearing spring lifting mechanisms are in contact connection with the bottom surfaces of the test bearing-bearing seat assemblies. With the test bench, the comprehensive performance of an axle box bearing and the wear of a shaft end grounding device can be tested simultaneously, the test efficiency is improved greatly, and the test resources are saved.

Description

technical field [0001] The invention belongs to the technical field of rail vehicle testing, in particular to a test bench for the comprehensive performance of a rail vehicle axle box bearing and the wear of an axle end grounding device, which is suitable for testing the comprehensive performance of a high-speed rail vehicle axle box bearing and the wear of an axle end grounding device. Background technique [0002] In recent years, with the vigorous development of my country's high-speed rail industry, breakthroughs have been made in various technologies related to high-speed rail trains. Among them, bearings are important running support components of rail vehicles. The working environment is harsh, and the load force changes frequently. It is very easy to suffer fatigue damage under high-speed driving and severe vibration. The condition of the bearing directly affects the safety of train operation. As an important part of the EMU grounding system, the grounding device pla...

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Problems solved by technology

[0004] The technical problem to be solved by the present invention is to overcome the unfeasible problems of the performance of the axle box bearing and the wear test of the axle end grounding device in the actual operation of the train in the prior art, and provide the comprehensive performance of the axle box bearing of the rail vehicle and the axle end grounding device Wear Test Rig

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