The invention provides a hydraulic jack with a lockable top tray and a safety device, wherein the hydraulic jack comprises a jack body; a top tray block is mounted at the driving end of the jack body, a plurality of connecting blocks arranged in the circumferential direction are mounted on the jack body, a positioning frame connected with the top tray block is connected to the connecting blocks in a sliding and inserted mode, and a first locking piece for locking the positioning frame is arranged on the connecting block; and a base is mounted at the end, away from the top tray block, of the jack body, a plurality of fixing pipes are mounted on the base, the plurality of fixing pipes are connected with the plurality of connecting blocks correspondingly, lifting pieces connected with the top tray block are arranged on the fixing pipes, and second locking pieces used for locking the lifting pieces are arranged on the fixing pipes. According to the hydraulic jack with the lockable top tray and the safety device, the risk that the top tray is prone to falling off when the jack breaks down is solved, and the safety of people is guaranteed.

    本发明提出了一种顶盘可锁止的带有安全装置的液压千斤顶,包括千斤顶本体,所述千斤顶本体上的驱动端安装有顶盘块,所述千斤顶本体上安装有多个周向布置的连接块,所述连接块上滑动插接有与顶盘块连接的定位架,所述连接块上设有用于锁定定位架的第一锁定件;所述千斤顶本体远离顶盘块的一端安装有底座,所述底座上安装有多个固定管,且多个固定管分别与多个连接块连接,所述固定管上设有与顶盘块连接的升降件,所述固定管上设有用于锁定升降件的第二锁定件。本发明提出了一种顶盘可锁止的带有安全装置的液压千斤顶,解决了千斤顶出现故障时顶盘易脱落的风险,保障了人们的安全。


    Access

    Download


    Export, share and cite



    Title :

    Hydraulic jack with lockable top tray and safety device


    Additional title:

    一种顶盘可锁止的带有安全装置的液压千斤顶


    Contributors:
    MAO WENXUE (author) / LU WENPING (author) / PENG LIQUN (author)

    Publication date :

    2022-02-25


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    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



    Lockable tray

    ZHANG NING / WANG DONGMING / CHENG RUNQIU | European Patent Office | 2015

    Free access

    SAFETY DEVICE FOR HYDRAULIC JACK

    PARK YONG SUP | European Patent Office | 2021

    Free access

    Jack with rotatable tray rack

    ZHENG XINQIANG / LIU ZHENGYANG | European Patent Office | 2022

    Free access

    Hitch clip lockable safety cover

    BUCKNER JAMES A | European Patent Office | 2017

    Free access

    DEVICE OF SLIP FORM HYDRAULIC JACK INCLUDING SAFETY DEVICE

    KOO SOO BON | European Patent Office | 2016

    Free access