The invention provides a rail profile detection method, system and device. The method comprises the following steps: acquiring a transverse acceleration curve of a bogie frame when a rail vehicle passes through a section rail; the transverse acceleration curve is subjected to band-pass filtering, a filtered curve is obtained, and the upper limit and the lower limit of the frequency range of band-pass filtering are determined based on the secondary snaking instability frequency of the railway vehicle; and based on the filtered curve, judging whether the track profile is bad or not. By acquiring the transverse acceleration curve of the framework, analyzing after band-pass filtering, the condition that the profile of the track is poor can be recognized, online real-time detection of the track can be achieved by implementing the detection method on the track vehicle, the in-transit detection efficiency is high, and state repair and accurate maintenance of the track can be achieved if the number of the detected vehicles is large.

    本发明提供一种轨道廓形检测方法、系统和装置,所述方法包括:获取轨道车辆通过区段轨道时转向架构架的横向加速度曲线;对所述横向加速度曲线进行带通滤波,以获得滤波后曲线,其中,所述带通滤波的频率范围上下限是基于所述轨道车辆的二次蛇行失稳频率确定的;基于所述滤波后曲线,判断所述轨道廓形是否存在不良。本发明通过获取构架的横向加速度曲线,带通滤波后进行分析,可以识别轨道廓形不良的状况,通过在轨道车辆上实现这种检测方法,能够做到轨道的在线实时检测,在途检测效率高,如果检测车辆多,能够实现轨道的状态修,精准维修。


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    Title :

    Track profile detection method, system and device


    Additional title:

    轨道廓形检测方法、系统和装置


    Contributors:
    ZHANG ZHIBO (author) / FENG YANG (author) / KUAI RONGSHENG (author) / ZHOU CHENG (author) / SHANG JIAYUAN (author)

    Publication date :

    2023-06-23


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B61K Andere Hilfseinrichtungen für Eisenbahnen , OTHER AUXILIARY EQUIPMENT FOR RAILWAYS / B61L Leiten des Eisenbahnverkehrs , GUIDING RAILWAY TRAFFIC / G01P MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION OR SHOCK , Messen der Linear- oder Winkelgeschwindigkeit, der Beschleunigung, der Verzögerung oder des Stoßes



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