The invention discloses a hopper car and an end bottom door opening/closing mechanism thereof. The end bottom door opening/closing mechanism comprises a door opening arm, a door closing arm, a connection shaft and two connection rods, wherein the door opening arm is used for opening an end bottom door, the door closing arm is used for closing the end bottom door, the two ends of the connection shaft are fixedly connected with the door opening arm and the door closing arm respectively, and the door opening arm and the door closing arm drive the connection shaft to rotate; the two connection rods are connected to the side of the door opening arm and the side of the door closing arm, each connection rod comprises a first folding rod and a second folding rod which are fixedly connected at a certain angle, one of the first folding rod and the second folding rod is hinged to the end bottom door, the other of the first folding rod and the second folding rod is hinged to the door opening arm on the corresponding side or the door closing arm, and the hinge rotation axes are parallel to the connection shaft. Through optimal design of the connection rod structure, self-locking is conducted effectively, stability of the opening state and closing state of the end bottom door is guaranteed, and the unloading efficiency of the hopper car is improved.


    Access

    Download


    Export, share and cite



    Title :

    Hopper car and end bottom door opening/closing mechanism thereof


    Contributors:
    HE BAICHUAN (author)

    Publication date :

    2015-12-30


    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



    BOTTOM DOOR OPENING AND CLOSING MECHANISM AND HOPPER CAR

    XU DONGHUA / LIU FENGWEI / TANG CHUQIANG et al. | European Patent Office | 2021

    Free access

    BOTTOM DOOR OPENING AND CLOSING MECHANISM AND HOPPER CAR

    XU DONGHUA / LIU FENGWEI / TANG CHUQIANG et al. | European Patent Office | 2023

    Free access

    Linked bottom door opening and closing mechanism and hopper car

    SUN CHUNXU / TANG CHUQIANG / REN LIJUAN et al. | European Patent Office | 2015

    Free access

    Bottom door opening and closing device and hopper car

    PAN KE / LI MINGZHU / QU FENGLI et al. | European Patent Office | 2023

    Free access

    Locking device of bottom door opening and closing mechanism of railway hopper car

    ZHAO ZUXING / ZHANG CHUNFA / LIU WENSHENG et al. | European Patent Office | 2023

    Free access