The invention relates to the technical field of horizontal jacks, in particular to a horizontal jack supporting structure which comprises a bottom frame, a lifting oil cylinder, an oil return valve, a lifting arm and a transmission plate, the transmission plate is connected with the lifting oil cylinder, a protection base is fixed to the bottom frame, a first telescopic rod is hinged to the protection base, a second telescopic rod coaxially slides in the first telescopic rod, and the second telescopic rod is connected with the lifting oil cylinder. The other end of the second telescopic rod is hinged to the transmission plate; the first telescopic rod and the second telescopic rod can extend along with lifting of the lifting arm, and the first telescopic rod and the second telescopic rod are mutually locked in multiple positions in the extending direction. And meanwhile, an unlocking mechanism for unlocking the first telescopic rod and the second telescopic rod is also arranged on the first telescopic rod. The auxiliary mechanical support is utilized to exert a protection function on the lifting state of the lifting arm, and therefore the problem that in the lifting process, when hydraulic failure occurs, effective supporting cannot be achieved, and potential safety hazards exist is solved.

    本申请涉及卧式千斤顶技术领域,尤其是涉及一种卧式千斤顶的支撑结构,其包括底架、举升油缸、回油阀、举升臂和传动板,传动板与举升油缸相连,底架上固定有防护底座,防护底座上铰接有第一伸缩杆,第一伸缩杆内同轴滑移有第二伸缩杆,第二伸缩杆的另一端铰接于传动板;第一伸缩杆和第二伸缩杆之间能够随着举升臂的抬升而伸长,并且第一伸缩杆和第二伸缩杆在伸长方向上进行多位置的相互锁定;同时第一伸缩杆上还设置有令第一伸缩杆和第二伸缩杆之间解锁的解锁机构。本申请利用辅助机械支撑对举升臂抬升状态施加防护功能,从而改善起升过程中遇到液压失效时不能有效支撑而存在安全隐患的问题。


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    Titel :

    Supporting structure of horizontal jack


    Weitere Titelangaben:

    一种卧式千斤顶的支撑结构


    Beteiligte:
    ZHENG XINQIANG (Autor:in) / LIU ZHENGYANG (Autor:in)

    Erscheinungsdatum :

    2023-05-30


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Chinesisch


    Klassifikation :

    IPC:    B66F HOISTING, LIFTING, HAULING, OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD , Hub-, Verhol- oder Schubvorrichtungen, soweit nicht anderweitig vorgesehen, z.B. Vorrichtungen mit unmittelbarer Krafteinwirkung auf die Last



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