The invention relates to the technical field of a crank arm, and discloses a safety type crank arm rotary device. The safety type crank arm rotary device comprises a fixed arm, wherein a mounting plate is fixedly connected to the side wall of the left side of the fixed arm; two mounting holes are symmetrically formed in the side wall of the left side of the mounting plate; a driving motor is fixedly connected to the side wall of the upper side of the fixed arm, and is located at a part, close to the right end, of the fixed arm; a driving shaft is fixedly connected to an output shaft of the driving motor; a fixed hole is formed in the side wall of the upper side of the fixed arm; the driving shaft penetrates through the fixed arm through the fixed hole; a rotating arm is arranged outside the driving shaft in a sleeving manner; an inserting hole is formed in the side wall of the upper side of the rotating arm, and is located at a part, close to the left end, of the rotating arm; and thedriving shaft penetrates through the rotating arm through the inserting hole. The service life of the driving motor and the rotary device are prolonged.

    本发明涉及曲臂技术领域,且公开了一种安全型曲臂回转装置,包括固定臂,所述固定臂左侧的侧壁固定连接有安装板,所述安装板左侧的侧壁对称开设有两个安装孔,所述固定臂上侧的侧壁固定连接有驱动电机,所述驱动电机位于固定臂靠近右端的位置,所述驱动电机的输出轴固定连接有驱动轴,所述固定臂上侧的侧壁开设有固定孔,所述驱动轴通过固定孔贯穿固定臂,所述驱动轴外套设有转动臂,所述转动臂上侧的侧壁开设有插孔,所述插孔位于转动臂靠近左端的位置,所述驱动轴通过插孔贯穿转动臂。该安全型曲臂回转装置,提高了驱动电机的使用寿命,提高了回转装置的使用寿命。


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    Titel :

    Safety type crank arm rotary device


    Weitere Titelangaben:

    一种安全型曲臂回转装置


    Beteiligte:
    WANG BIN (Autor:in) / TAI HUA (Autor:in)

    Erscheinungsdatum :

    27.10.2020


    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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