The invention discloses a chain block back-pushing jacking device which comprises an outer main frame (1) located at the bottom and provided with an opening in the upper end, an inner jacking frame (2) sleeved with the outer main frame (1) from the opening in the upper end and a lifting chain block fixed to the bottom of the outer main frame (1), and a shell of the lifting chain block is connectedwith the outer main frame (1). The tail end of the chain block is connected with the inner jacking frame (2), the lifting chain block can drive the inner jacking frame (2) to move up and down in theouter main frame (1), and maintenance equipment is placed on the top surface of the inner jacking frame (2). According to the chain block back-pushing jacking device, the problem that rooting, hoisting and overhauling cannot be conducted due to narrow space in the equipment overhauling process is solved, and rapid and accurate positioning, jacking and installing can be achieved.

    本发明公开了一种倒链返推顶升装置,包括位于底部且上端具有开口的外部主框架(1)、从上端开口套装于所述外部主框架(1)内的内部顶升框架(2)、固定于所述外部主框架(1)底部的提升倒链,所述提升倒链的壳体与所述外部主框架(1)连接,倒链末端与所述内部顶升框架(2)连接,所述提升倒链能够驱动所述内部顶升框架(2)在所述外部主框架(1)内上下移动,检修设备放置于所述内部顶升框架(2)的顶面。该倒链返推顶升装置解决了设备检修过程中因空间狭小无法生根吊装检修的问题,可以实现快速准确定位顶升安装。


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    Title :

    Chain block back-pushing jacking device


    Additional title:

    一种倒链返推顶升装置


    Contributors:
    GUO XIAOYI (author) / QIAO YAN (author) / LIU JUN (author) / SUN LIANGLIANG (author) / FENG JICHUAN (author)

    Publication date :

    2020-11-10


    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



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