The invention provides a lifting device of fork. The lifting device of fork is characterized in that a pallet fork is connected with a portal through a pallet fork frame, the portal comprises an outerportal and an inner portal, the inner portal can move up and down in the outer portal through a lifting oil cylinder, an abutting device is arranged on the inner side wall of the outer portal, and the abutting device comprises a supporting block fixed to the inner side wall of the outer portal; a cavity is formed in the supporting block, a first through hole formed in the outer portal and a second through hole formed in the supporting block are communicated with the cavity, a sliding block is arranged in the cavity of the supporting block and connected with a sliding rod, and the sliding rodextends out of the first through hole, a first idler wheel is arranged at the end, extending out of the first through hole, of the sliding rod and abuts against the side wall of the inner portal, a first hinge base is arranged around the first through hole and connected with a second hinge base through a connecting rod, the guide shell is supported on the second hinge base, the guide shell is provided with an internal thread, and the screw rod is arranged in the guide shell. The anti-shaking portal frame has the following beneficial effects that shaking of the portal frame can be effectively prevented; and the lifting height can be obtained through the rollers.

    本发明提供了一种货叉的提升装置,货叉通过货叉架与门架连接,门架包括外门架和内门架,内门架通过升降油缸可在外门架内上下移动,外门架的内侧壁上设置有抵接装置,抵接装置包括固定在所述外门架的内侧壁上的支撑块,支撑块内部设置有空腔,设置在外门架上的第一通孔和设置在支撑块上的第二通孔与空腔连通,在支撑块的空腔中设置有滑块,滑块连接滑杆,滑杆从第一通孔伸出,在滑杆从第一通孔伸出的端部设置有第一滚轮述第一滚轮与内门架的侧壁抵接,在第一通孔的周围设置有第一铰接座,第一铰接座通过连杆与第二铰接座连接,导壳支撑在第二铰接座上,导壳具有内螺纹,螺杆设置在导壳内。发明具有以下有益效果:能够有效的防止门架的抖动;并且能够通过滚轮获取提升的高度。


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    Title :

    Lifting device of fork


    Additional title:

    一种货叉的提升装置


    Contributors:
    ZHANG ENLAI (author) / LIU ZHIQI (author) / WANG JIE (author) / TIAN SHUWEN (author) / WANG HUICHEN (author) / ZHANG ZEYI (author)

    Publication date :

    2020-07-14


    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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