A wireless stop limit device with a height warning function comprises an emitter, a height control switch, a control rod, a steel wire rope, a heavy hammer, a hoisting hook and signal receivers. The signal receivers comprise a 6-220 V power, a relay, a warning buzzer and a magnetic valve. A microswitch K1is installed in the height control switch and a K1 mode and a K2 mode are simultaneously set. The control rod provided with a spring is correspondingly arranged below an on-off key, the lower end of the control rod is connected with the heavy hammer with a through hole in one side, one end of the steel wire rope penetrates through the through hole of the heavy hammer, and the lower end of the steel wire rope is connected with the hoisting hook. The wireless stop limit device has the advantages that the wireless stop limit device can warn people of excessive winding of a winch in time and can control the winch to stop working immediately; the power supply method that batteries and capacitors are combined is adopted, so the service life of the device can be prolonged by more than ten times compared with that of an original product; the emitter and the batteries can be installed in a height on-off shell; address codes can be set before leaving the factory and also can be selected and paired on use spots, so the device is convenient to install and maintain; the receivers can control AC loads through the 220V AC power.


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    Titel :

    Wireless stop limit device with height warning function


    Beteiligte:
    YU LEI (Autor:in)

    Erscheinungsdatum :

    20.05.2015


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

    IPC:    B66D Haspeln , CAPSTANS



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