Railway vehicle bogie area ice and snow test device

Abstract

The invention provides a railway vehicle bogie area ice and snow test device, which comprises an environment chamber, a fan device, a hub driving device, a snow making device, a turntable and a railway vehicle model. The turntable comprises a rotating platform, and the railway vehicle model is installed on the rotating platform; the hub driving device comprises a hub used for driving or limiting rotation of the wheel set. The draught fan device comprises a train wind generating device, a heat exchange system and a collecting device. The snow making device comprises a snow making machine and asnow nozzle, and the snow nozzle is located between the rail vehicle model and the draught fan device. The railway vehicle bogie area ice and snow test device provided by the invention can simulate the running state of the railway vehicle under the condition of blowing snow by wind; the diversity of test data is ensured, the test accuracy is improved, and data reference is provided for reducing orpreventing snow and ice in the bogie area of the railway vehicle and predicting the dynamic performance by reproducing the dynamic evolution rule of snow and ice in the bogie area of the railway vehicle.

Description

technical field [0001] The invention relates to the technical field of rail vehicles, in particular to an ice and snow test device in the bogie region of a rail vehicle. Background technique [0002] Wind-blown snow is a multiphase flow weather phenomenon in which scattered snow particles are carried by the airflow near the ground. That is, when snow falls and the wind reaches a certain intensity, the snow is blown by the wind and drifts to form a snowstorm. Wind blowing snow is a relatively complex special fluid, which is more harmful, especially has a greater impact on the operation of rail vehicles. [0003] When a rail vehicle runs in a windy and snowy environment for a long time, the ambient wind carries snowflakes into the bogie. Because the weight of the snowflakes is very light, its trajectory is easily affected by the disturbance of the airflow. The snow and ice will accumulate more and more as the running time increases. When the snow and ice accumulation on the b...

AI Technical Summary

Problems solved by technology

[0003] When a rail vehicle runs in a windy and snowy environment for a long time, the ambient wind carries snowflakes into the bogie. Because the weight of the snowflakes is very light, its trajectory is easily affected by the disturbance of the airflow. The snow and ice will accumulate more and more as the running time increases. When the snow and ice accumulation on the bogie of the rail vehicle reaches a certain level, it will affect the rail vehicle. The effect of the damping system, braking device, etc. of the rail vehicle will also affect the intake and exhaust effect of the height valve of the rail vehicle, which in turn will affect the stability and safety of the rail vehicle operation and the riding comfort of the passengers on the rail vehicle. Vehicles pose a serious safety hazard

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