The invention discloses an elevator speed governor which comprises a plumb shaft used for driving the elevator speed governor to rotate. The speed detection mechanism is used for detecting the speed of the elevator car, the plumb shaft is sleeved with the speed detection mechanism, and the speed detection mechanism and the plumb shaft synchronously rotate; the spring stroke adjusting mechanism is connected to the plumb shaft in a sleeving manner and is arranged in the speed detection mechanism; the spring stroke adjusting mechanism is connected with the plumb shaft through a one-way bearing so that the spring stroke adjusting mechanism can rotate along with the main shaft only when the elevator descends. The speed limiter comprises a set of speed detection mechanism and a set of spring stroke adjusting mechanism, and the purposes of detecting the overspeed behavior during ascending and descending and stopping the lift car respectively when the ascending speed and the descending speed of the elevator are different can be achieved.

    本发明公开了一种电梯限速器,包括铅锤轴,用于驱动所述电梯限速器旋转;速度检测机构,用于检测电梯轿厢速度,所述速度检测机构套接在所述铅锤轴上并与所述铅锤轴同步旋转;弹簧行程调节机构,套接在所述铅锤轴上并设置在所述速度检测机构内部;所述弹簧行程调节机构通过单向轴承与所述铅锤轴相连接以使所述弹簧行程调节机构仅在电梯下行时与主轴一同旋转。本发明所述的限速器包含1套速度检测机构和1套弹簧行程调节机构,可以实现电梯上行和下行速度不同时,达到分别检测上下行时的超速行为并制停轿厢的目的。


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    Title :

    Elevator speed limiter


    Additional title:

    电梯限速器


    Contributors:
    QIAN LEI (author) / TONG ZHENGGUO (author)

    Publication date :

    2022-12-30


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B66B Aufzüge , ELEVATORS



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