The invention provides a dump truck cargo box anti-falling device and a hydraulic system thereof, the dump truck cargo box anti-falling device comprises a cargo box, a frame, a first pin shaft and a lifting oil cylinder, the rear end of the cargo box is hinged to the frame through the first pin shaft, and the lifting oil cylinder is connected between the cargo box and the frame and used for driving the cargo box to overturn upwards or fall down; the invention relates to a cargo box, in particular to a forklift truck, which comprises a frame, a cargo box, a first ratchet and a second ratchet, the first ratchet is fixed on the cargo box, one end of the second ratchet is hinged with the frame, the other end of the second ratchet extends to a position above the second ratchet, and a ratchet oil cylinder and a tension spring which are arranged in parallel are further connected between the second ratchet and the frame. The ratchet oil cylinder is connected with the lifting oil cylinder in series, and the volume of the ratchet oil cylinder is smaller than that of the lifting oil cylinder.

    本申请提供了一种自卸车货箱防坠落装置及其液压系统,包括货箱、车架、第一销轴和举升油缸,所述货箱后端通过所述第一销轴与所述车架铰接,所述举升油缸连接在所述货箱与所述车架之间用于驱动所述货箱向上翻转或下落;还包括第一棘齿和第二棘齿,所述第一棘齿固定在所述货箱上,所述第二棘齿的一端与所述车架铰接,另一端延伸至所述第二棘齿上方,所述第二棘齿与所述车架之间还连接有并列设置的棘齿油缸和拉簧,其中,所述棘齿油缸与所述举升油缸串联且所述棘齿油缸的容积小于所述举升油缸的容积。


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    Title :

    Dumper container anti-falling device and hydraulic system thereof


    Additional title:

    一种自卸车货箱防坠落装置及其液压系统


    Contributors:
    ZHANG YONGHAI (author) / SI XIANGYU (author) / SU DANDAN (author) / GE CHAO (author) / LOU BIN (author) / WANG JI (author) / MAO JIASONG (author) / WANG YAN (author)

    Publication date :

    2025-03-21


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    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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