The invention discloses a portable jack for an ultralow space. The portable jack comprises a base and a jack body, wherein supporting plates are fixedly arranged on the two sides of the base, screw rods are rotationally arranged inside the supporting plates, the sides, close to supporting rods, of the screw rods are in threaded connection with movable blocks, the sides, away from the supporting rods, of the screw rods are fixedly provided with fixing blocks, the bottoms of the fixing blocks are fixedly connected with the base, a first jacking plate is hinged to the fixing blocks, a second jacking plate is hinged to the movable blocks, a supporting plate is slidably arranged inside a second sliding groove, the top end of the supporting plate is fixedly connected with the jack body, a plurality of jacking columns are arranged inside a supporting groove, a sliding rod is slidably arranged inside a third sliding groove, and a wedge-shaped block is fixedly arranged at the end part of the sliding rod. According to the portable jack, a heavy object is preliminarily jacked up through the first jacking plate and the second jacking plate to reach the height meeting the use requirement of thejack, and then the heavy object is jacked up to a higher height through the jack.

    本发明公开了一种便携式超低空间千斤顶,包括底座和千斤顶本体,所述底座两侧固定设置有支撑板,所述支撑板内转动安装有螺杆,所述螺杆上靠近支撑杆的一侧螺纹连接有活动块,所述螺杆上远离支撑杆的一侧固定设置有固定块,所述固定块的底部与底座固定连接,所述固定块上铰接顶板一,所述活动块上铰接有顶板二,所述滑槽二内滑动设置有托板,所述托板的顶端与千斤顶本体固定连接,所述支撑槽内设置有若干顶柱,所述滑槽三内滑动设置有滑动杆,所述滑动杆端部固定设置有楔形块。本发明通过顶板一和顶板二将重物初步顶起到满足使用千斤顶的高度,在通过千斤顶将重物顶起到更高的高度。


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    Titel :

    Portable jack for ultralow space


    Weitere Titelangaben:

    一种便携式超低空间千斤顶


    Beteiligte:
    ZHAO JUAN (Autor:in)

    Erscheinungsdatum :

    2020-11-24


    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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