The invention discloses a lightning protection device of a diesel locomotive. The lightning protection device comprises a conductive device fixed to an axle box body of a bogie of the diesel locomotive, a first cable and a second cable, the first cable and the second cable are connected in series, and a joint of the first cable and the second cable is fixed to a bogie frame. The lower end of the first cable is fixed to an installation seat, and the upper end of the second cable is fixed to a body of the diesel locomotive. The installation seat is fixed to the axle box body through an insulation plate, spring fixing grooves are evenly formed in the installation seat, U-type spring supports are arranged on the spring fixing grooves, compression springs are fixed to the U-shaped spring supports and compress a carbon brush, and the tail end of the carbon brush is fixed to the installation seat through a soft connecting wire. A friction disc is arranged at the end of an axle of the diesel locomotive, and a brush head of the carbon brush is in close contact with the friction disc through the compression springs. Instant high current of lightning can be directly transmitted to a steel rail by avoiding a bearing, the operating safety of the diesel locomotive in a lightning-prone area is guaranteed, accessories sent to plateau sections are reduced, transportation cost is reduced, and the problem that a diesel locomotive is free of a lightning protection device is solved.


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    Title :

    Lightning protection device of diesel locomotive


    Contributors:
    QU YUNFEI (author) / WU HUAMIN (author) / ZHANG MINGCHAO (author)

    Publication date :

    2015-11-18


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    B61C Lokomotiven , LOCOMOTIVES / B61D Einzelheiten oder Arten des Wagenaufbaus von Eisenbahnfahrzeugen , BODY DETAILS OR KINDS OF RAILWAY VEHICLES



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