The invention discloses a rotary lifting device. The device comprises a first rotating piece provided with a first limiting groove, a second rotating piece provided with a second limiting groove, anda lifting part; the second rotating piece is arranged in the first rotating piece; the first rotating piece and the second rotating piece rotate with the axial direction of the first rotating piece asthe axis; the first limiting groove and/or the second limiting groove are/is spiral grooves; the axial direction of the first limiting groove and/or the second limiting groove are/is parallel to theaxial direction of the first rotating piece; a matching part is fixed to the lifting part; and the first limiting groove and/or the second limiting groove limit/limits the matching part to move in thedirection perpendicular to the axial direction of the first rotating piece. When the first rotating piece and the second rotating piece rotate in the same direction, the lifting part rotates with theaxial direction of the first rotating piece as an axis; and when the first rotating piece and the second rotating piece rotate reversely, the matching part moves in the first limiting groove and thesecond limiting groove, and the lifting part ascends and descends in the axial direction of the first rotating piece. According to the technical scheme, the thickness of a transmission structural partmatched with the first rotating part and the second rotating part does not need to be large, and the manufacturing cost is low.

    本发明公开一种旋转举升装置,包括设有第一限位槽的第一转动件、设有第二限位槽的第二转动件和升降部,第二转动件设置于第一转动件之内,第一转动件和第二转动件均以第一转动件的轴向为轴转动,第一限位槽和/或第二限位槽为螺旋槽,且轴向平行于第一转动件的轴向,升降部固定有配合部,第一限位槽和/或第二限位槽限制配合部沿垂直于第一转动件的轴向的方向移动,当第一转动件和第二转动件同向转动时,升降部以第一转动件的轴向为轴转动;当第一转动件和第二转动件反向转动时,配合部在第一限位槽和第二限位槽内移动,升降部沿第一转动件的轴向升降。上述技术方案中与第一转动件和第二转动件配合的传动结构件的厚度无需较大,制造成本较低。


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    Title :

    Rotary lifting device


    Additional title:

    旋转举升装置


    Contributors:
    XIE BIN (author) / ZHENG RONGZHUO (author) / HE LIHENG (author) / BAI HAN (author)

    Publication date :

    2020-12-11


    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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