Vehicle-mounted vehicle wheel out-of-roundness detection system

Abstract

The invention discloses a vehicle-mounted vehicle wheel out-of-roundness detection system. The vehicle-mounted vehicle wheel out-of-roundness detection system is characterized in that the vehicle-mounted vehicle wheel out-of-roundness detection system comprises detection hosts and sensors, wherein the detection hosts and the sensors are arranged on carriages, the sensors collect vehicle wheel vibration information when a vehicle runs; the detection hosts receive the vehicle wheel vibration information and perform low-pass filtering on the vehicle wheel vibration information to eliminate signalinterference; envelope analysis is performed on the low-pass filtered vehicle wheel vibration information to obtain an envelope spectrum; the envelope spectrum is normalized to obtain a step spectrumcombined with vehicle wheel rotation speed information; and the equivalent of a vehicle wheel radial beat value and the edge number of a vehicle wheel polygon are calculated from the step spectrum. The vehicle-mounted vehicle wheel out-of-roundness detection system is simple and compact in structure, realizes on-line dynamic detection of vehicle wheel out-of-roundness during normal operation of the vehicle, is not affected by environment and vehicle running speed, does not affect normal running of the vehicle, automatically performs detection in time and has high detection efficiency and highdetection precision.

Description

technical field [0001] The invention relates to the technical field of out-of-roundness detection, in particular to a vehicle-mounted wheel out-of-roundness detection system. Background technique [0002] During the operation of the train, the wheels are in direct contact with the rails, causing the wheel treads to be worn by the force of the wheels and rails, resulting in out-of-roundness phenomena such as polygons on the wheels. When the wear reaches a certain level, it will affect the smoothness and comfort of the wheel running, and will cause the train components to withstand high-frequency vibration shocks, causing the electromechanical connection to loosen or break. If not found in time, it may cause major car crashes and fatalities security incident. Therefore, it is necessary to detect the degree of out-of-roundness of the wheels, and regularly maintain the wheels according to the detection results and safety standards. [0003] At present, the commonly used wheel ...

AI Technical Summary

Problems solved by technology

[0004] The technical problem to be solved and the technical task proposed by the present invention are to improve the existing technology and provide a vehicle-mounted wheel out-of-roundness detection system to solve the low detection efficiency of the detection method in the current technology, which is affected by the environment and the running speed of the vehicle. A problem that has a large impact and affects the normal operation of the vehicle

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