The invention provides a heavy-load pressing wheel pre-tightening type three-level telescopic jacking barrel. The heavy-load pressing wheel pre-tightening type three-level telescopic jacking barrel comprises three barrel bodies, a locking tight holding guiding device, a guide rail matched with the locking tight holding guiding device, pressing wheels, a flat guide rail and a foundation. The appearances of the sections of the three barrel bodies are in a hexagon shape, the appearance sizes of the three barrel bodies are sequentially reduced from exterior to interior, and the three barrel bodiesare mutually nested together. Each of the first-level barrel body and the second-level barrel body is formed by fixedly connecting three trapezoid stand columns and three hexagonal beams in pair, andthe innermost third-level barrel body is of an integral structure. The whole device can adjust the stretching-out distance of various levels of barrel bodies through the locking tight holding guidingdevice, meanwhile, the barrel bodies are stable during stretching-out, and accordingly the requirement of the heavy-load equipment elevating test is met. Meanwhile, two barrel body drive manners andtwo work modes under different drive manners are provided.

    本发明提供一种重载压轮预紧式三级伸缩顶升筒,其包括三个筒体、锁止抱紧导向装置、与锁止抱紧导向装置配合的导轨、压轮、平导轨和地基。三个筒体的截面外形均为六边形,三个筒体的外形尺寸从外到内依次变小并相互嵌套在一起,第一级筒体和第二级筒体均由三个梯形立柱和三组六边形横梁两两固定连接而成,最里面的第三级筒体为整体式结构。整个装置通过锁止抱紧导向装置可实现调节各级筒体的伸出距离,同时实现筒体伸出时稳定,以满足重载设备抬升测试的需求。同时本发明提出了两种筒体的驱动方式及不同驱动方式下的两种工作模式。


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    Title :

    Heavy-load pressing wheel pre-tightening type three-level telescopic jacking barrel


    Additional title:

    一种重载压轮预紧式三级伸缩顶升筒


    Contributors:
    LI ERWEI (author) / LYU CHENGZHEN (author) / ZHAO TIESHI (author) / LIU ZHONGYING (author) / WANG CHANG (author)

    Publication date :

    2020-05-08


    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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