The present invention discloses a connecting rod type two-level locking device, a hopper car bottom door and a hopper car, and belongs to the technical field of rail wagons. The connecting rod type two-level locking device includes a transmission shaft, a door opening arm, a first roller, a second roller, a first locating pin, a standstill locking disk and a linkage mechanism. The hopper car bottom door includes the connecting rod type two-level locking device. The hopper car includes the bottom door. Even if the connecting rod type two-level locking device is accidentally stressed, the linkage mechanism cannot rotate, and at this time, the slave arm cannot rotate neither. The accidental opening of the hopper car bottom door can be avoided. The hopper car is more reliable to use.


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    Titel :

    CONNECTING ROD TYPE TWO-LEVEL LOCKING DEVICE, HOPPER CAR BOTTOM DOOR AND HOPPER CAR


    Beteiligte:
    SHI CHUNJIANG (Autor:in) / SUN MINGDAO (Autor:in) / JIANG QIANGJUN (Autor:in) / LIU FENGWEI (Autor:in) / WANG BAOLEI (Autor:in) / LIU WENLIANG (Autor:in) / TANG CHUQIANG (Autor:in) / JIANG RUIJIN (Autor:in) / LIN LIANGCAI (Autor:in) / FU TIEJUN (Autor:in)

    Erscheinungsdatum :

    2018-03-15


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

    IPC:    B61D Einzelheiten oder Arten des Wagenaufbaus von Eisenbahnfahrzeugen , BODY DETAILS OR KINDS OF RAILWAY VEHICLES / F16D COUPLINGS FOR TRANSMITTING ROTATION , Nicht schaltbare Kupplungen



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