The invention discloses a high-stability jack capable of achieving two-stage lifting, which comprises a base oil cylinder, a piston cylinder fixedly connected to the top of the base oil cylinder, a mounting cylinder, a third pipeline communicated between the mounting cylinder and the base oil cylinder and having a check valve function, and a fourth pipeline communicated between the base oil cylinder and the piston cylinder, a one-way valve flowing from the base oil cylinder to the interior of the piston cylinder is mounted in the fourth pipeline, a first pipeline communicates between the piston cylinder and the mounting cylinder, a one-way valve flowing from the interior of the piston cylinder to the interior of the mounting cylinder is arranged on the inner wall of the first pipeline, a fixing cylinder is fixedly connected to the inner bottom of the mounting cylinder, a separation ring is fixedly connected between the inner wall of the mounting cylinder and the outer wall, close to the top, of the fixing cylinder, the inner wall of the fixing cylinder is slidably connected with a piston cylinder, and the inner wall of the piston cylinder is slidably connected with a piston rod. Through cooperation of the structures, step-by-step jacking is achieved, and rapid jacking is conducted by independently controlling the last stage.

    本发明公开了一种可两级升降的高稳定型千斤顶,包括底座油缸以及固定连接在底座油缸顶部活塞缸和安装筒,还包括安装筒和底座油缸之间连通有具有止回阀功能的管道三,底座油缸与活塞缸之间连通有管道四,且管道四内部安装有从底座油缸流向活塞缸内部的单向阀,所述活塞缸和安装筒之间连通有管道一,且管道一的内壁设置从活塞缸内部流向安装筒内部的单向阀,所述安装筒的内底部固定连接有固定筒,所述安装筒内壁与固定筒靠近顶部的外壁之间固定连接有分隔环,所述固定筒内壁滑动连接有活塞筒,所述活塞筒的内壁滑动连接有活塞杆。本发明通过上述等结构的配合,实现逐级顶升且能够单独的控制末级进行快速顶升。


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    Titel :

    High-stability jack capable of achieving two-stage lifting


    Weitere Titelangaben:

    一种可两级升降的高稳定型千斤顶


    Beteiligte:
    HAO JIAN (Autor:in) / ZHENG ZILONG (Autor:in) / LONG TAO (Autor:in)

    Erscheinungsdatum :

    2021-11-23


    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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