Wheelset is one of the vital components of the train. Normally, the wheels are regularly detected by using ultrasonic technology to check cracks, especially in wheel rim. In order to eliminate the failure risks of wheels, daily dynamic wheelset inspecting system is needed during the light maintenance period. A way-side arrayed ultrasonic technology is described in this paper to detect wheel cracks. By using a specially designed track structure, the arrayed ultrasonic probes are arranged between the double-track for wheel rim inspection. From the testing results, Φ3mm side drill hole in the wheel rim can be well detected at the running speed of 30∼40km/h. The noise is effectively suppressed by filtering algorithm, thus to improve the signal to noise ratio and the positive alarming rates. At present, the technology has been successfully used in Chinese high-speed train maintenance centers, rolling stocks and locomotive maintenance depots.


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    Title :

    Way-side wheel crack detecting using arrayed ultrasonic probes


    Contributors:
    Chaoyong, Peng (author) / Xiaorong, Gao (author) / Bo, Zhao (author) / Yang, Liu (author) / Qiuyue, Jiang (author)


    Publication date :

    2016-11-01


    Size :

    1673619 byte




    Type of media :

    Conference paper


    Type of material :

    Electronic Resource


    Language :

    English



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