The invention belongs to the technical field of dumpers, and particularly relates to a dumper rear door lifting device; a liftable rear door is arranged at the rear end of a dumper bucket, lifting mechanisms are fixedly connected to two sides of the upper end of the rear door respectively, and locking mechanisms are arranged on two sides of the lower end of the rear door respectively; each liftingmechanism comprises a lifting oil cylinder, a first oil cylinder top end, a first oil cylinder base, a lower hinge seat, an upper hinge seat, a connecting seat, a lifting lug plate, a connecting sideplate, a connecting top plate, a hinge pin shaft, a lifting lug pin shaft, a first oil cylinder lifting pin, a first oil cylinder bottom pin, a lifting lug shaft sleeve, a side sealing cover plate and a side sealing bolt; each lock catch mechanism comprises a lock catch oil cylinder, a second oil cylinder top end, a second oil cylinder base, a second oil cylinder top pin, a second oil cylinder bottom pin, a fulcrum hinge base, a lock catch hook plate, a fulcrum pin, an elastic spring plate and a connecting bolt. The lifting mechanisms lift the height of the rear door, prevent the rear door from touching the ground, completely releases the unloading caliber and quickly unloads the large-angle rear tipping bucket, and the lock catch mechanisms are additionally arranged to enhance sealing ofthe rear door and prevent material leakage in the transportation process.

    本发明属于自卸车技术领域,具体涉及一种自卸车后门举升装置,自卸车斗后端设有可举升的后门,后门上端两侧分别固接有一套举升机构,后门下端两侧分别设置有一套锁扣机构;举升机构包括举升油缸、第一油缸顶端、第一油缸底座、下铰链座、上铰链座、连接座、吊耳板、连接侧板、连接顶板、铰链销轴、吊耳销轴、第一油缸顶销、第一油缸底销、吊耳轴套、侧封盖板和侧封螺栓;锁扣机构包括锁扣油缸、第二油缸顶端、第二油缸底座、第二油缸顶销、第二油缸底销、支点铰链座、锁扣钩板、支点销、弹性簧板和连接螺栓;举升机构提升后门高度,避免碰触地面,完全释放卸货口径,大角度后翻斗快速卸货,加设锁扣机构增强后门密封,防止运输途中漏料。


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    Titel :

    Dumper rear door lifting device


    Weitere Titelangaben:

    一种自卸车后门举升装置


    Beteiligte:
    LI SHIXUAN (Autor:in) / LI SHICHENG (Autor:in) / WANG JINXIAO (Autor:in) / CUI YUNXIA (Autor:in)

    Erscheinungsdatum :

    2021-03-23


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Chinesisch


    Klassifikation :

    IPC:    B60P Fahrzeuge zum Transport von Lasten oder zum Befördern, Tragen oder Aufnehmen besonderer Lasten oder Gegenstände , VEHICLES ADAPTED FOR LOAD TRANSPORTATION OR TO TRANSPORT, TO CARRY, OR TO COMPRISE SPECIAL LOADS OR OBJECTS



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