A dynamic loading device for driving components of a railway locomotive

Abstract

The invention discloses a dynamic loading device of a railway locomotive drive component and belongs to the field of locomotive engineering tests. The two ends of vertical oil cylinders, the two ends of transverse oil cylinders, the two ends of longitudinal electric locating push-and-pull rods and the two ends of limiting push-and-pull rods are each provided with a ball hinge. One end of each vertical oil cylinder, one end of each transverse oil cylinder, one end of each longitudinal electric locating push-and-pull rod and one end of each limiting push-and-pull rod are connected with a cage-shaped loading frame, and the other end of each vertical oil cylinder, the other end of each transverse oil cylinder, the other end of each longitudinal electric locating push-and-pull rod and the other end of each limiting push-and-pull rod are connected to a base. The six-freedom-degree movement of the loading frame can be controlled. An upper frame of the loading frame is provided with a special connector and can be rapidly connected with a simulation steering frame with the tested drive component, in this way, dynamic loading can be effectively conducted on the drive component installed in the steering frame, and the vibration working environment and the stress working environment of the drive component are simulated. The dynamic loading device is suitable for different tested drive components through the fixed structure, the problem that oil cylinders are frequently dismounted and mounted is solved, a workload is reduced, the oil cylinders are loaded in a tensioned mode, and meanwhile spring struts are connected in parallel to complete loading of vertical static component force. The dynamic loading device of the railway locomotive drive component is mainly used for load testing of the railway locomotive drive component.

Description

technical field [0001] The invention belongs to the technical field of railway locomotive engineering, and in particular relates to a loading test technology of a driving part of a railway locomotive. Background technique [0002] With the increase of the speed and power of the traction motor, the axle drive system of railway locomotives has become the key link to determine the reliability of the locomotive. It is necessary to establish a special test bench to realize the dynamic vibration loading simulation environment of the axle drive system of high-power locomotives, and to carry out experimental research . [0003] At present, the test benches that can provide a dynamic loading environment for wheel axle drives include the wheel-rail relationship test bench of the Institute of Railway Sciences, which can provide an interface for simulating rails with irregularities. The dynamic axle load environment is formed by the thrust provided by the gantry and the hydraulic cylin...

AI Technical Summary

Problems solved by technology

[0007] The purpose of the present invention is to provide a dynamic loading device for the driving parts of railway locomotives, which can effectively solve the problem of imposing the upper transverse and vertical excitation on the high-power locomotive bogie under the full-power driving condition of the simulated traction motor, and the lower vertical excitation. The Dynamic Loading Problem of Disturbance Wheel Axle Drive Test

Images