The invention discloses a roller guide shoe triggered elevator speed limiter, which comprises a safety gear, a roller guide shoe device, a roller limit trigger and a pull rod mechanism, wherein the roller limit trigger comprises a permanent magnetic power generator, an induction coil device, an induction push rod, a balancing force blocking device and a guide rod; the permanent magnetic power generator is used for generating power along with the rotation of a roller in the roller guide shoe device; the induction push rod is arranged in the induction coil device in a penetrating manner; when an elevator is in over-speed operation, the roller in the roller guide shoe device drives the permanent magnetic power generator to generate power, so that the induction push rod can overcome the balancing force blocking device to slide along the guide rod and the pull rod mechanism moves upwards or downwards under the driving of the induction push rod to drive the safety gear to clamp a guide rail, so as to brake and reduce the speed of the elevator. According to the roller guide shoe triggered elevator speed limiter, the power generator linked with the roller is used for generating power which is then converted to kinetic energy to drive the pull rod mechanism, so that the safety gear is triggered to clamp the elevator guide rail; not only is the structure simple, and also the occupied space is small and the safety performance is good.


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    Titel :

    Roller guide shoe triggered elevator speed limiter


    Beteiligte:
    LIN WENDUO (Autor:in) / QIN JIANCONG (Autor:in)

    Erscheinungsdatum :

    22.07.2015


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

    IPC:    B66B Aufzüge , ELEVATORS



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