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.


    Access

    Download


    Export, share and cite



    Title :

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


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

    Publication date :

    2018-03-15


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

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



    Connecting rod type two-level locking device, hopper car bottom door and hopper car

    SHI CHUNJIANG / SUN MINGDAO / JIANG QIANGJUN et al. | European Patent Office | 2020

    Free access

    Connecting Rod Type Two-Level Locking Device, Hopper Car Bottom Door and Hopper Car

    SHI CHUNJIANG / SUN MINGDAO / JIANG QIANGJUN et al. | European Patent Office | 2016

    Free access

    Two-level locking device, hopper car bottom door and hopper car

    SHI CHUNJIANG / SUN MINGDAO / JIANG QIANGJUN et al. | European Patent Office | 2017

    Free access

    Two-Level Locking Device, Hopper Car Bottom Door and Hopper Car

    SHI CHUNJIANG / SUN MINGDAO / JIANG QIANGJUN et al. | European Patent Office | 2015

    Free access

    Secondary locking device, hopper car bottom door and hopper car

    SHI CHUNJIANG / SUN MINGDAO / JIANG QIANGJUN et al. | European Patent Office | 2017

    Free access