The invention discloses a four-column type lifter with a secondary lifting function. The four-column type lifter with the secondary lifting function comprises four stand columns (1), two cross beams (2), a primary platform (3), a secondary platform (4) and a secondary lifting support (5), wherein each cross beam (2) is installed on two corresponding stand columns (1), the two cross beams (2) are parallel with each other, the primary platform (3) and the secondary platform (4) are installed between the two cross beams (2), the secondary lifting support (5) is installed between the primary platform (3) and the secondary platform (4), and a secondary lifting platform (7) is installed above the secondary lifting support (5) ; hydraulic driving devices (6) are installed on the stand columns (1), and each hydraulic driving device (6) drives the corresponding cross beam (2) to lift on two corresponding stand columns (1) through steel wire ropes (8). The four-column type lifter with the secondary lifting function is reasonable in structural design, convenient to operate, high in automation degree, capable of conveniently lifting different types of cars to reach needed heights, good in stability, high in safety and high in working efficiency.


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    Title :

    Four-column type lifter with secondary lifting function


    Contributors:
    XU SHI (author) / CHEN JIANXIANG (author) / WU JUNQING (author) / LIU WEI (author) / ZHI XIN (author)

    Publication date :

    2015-06-17


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    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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