The invention relates to the technical field of hoisting equipment, in particular to an electric hoist which comprises a hollow shaft motor, a gearbox, a transmission shaft, a clutch and a gear shaft, a power output shaft of the hollow shaft motor is a hollow shaft, and the transmission shaft penetrates through the power output shaft of the hollow shaft motor; the clutch is installed at the first end of the transmission shaft, and connection and disconnection of the transmission shaft and the power output shaft are achieved through the clutch. The gear shaft is connected to the transmission shaft, and the end of the gear shaft is provided with a brake. The clutch and the brake are installed at the front end and the rear end of the transmission device composed of the power shaft and the gear shaft respectively, if the clutch breaks down, emergency braking can be conducted on a load through the brake, the load cannot directly fall down in the lifting process, and the effective braking effect is achieved; and meanwhile, the limit switch is arranged at the inlet and outlet of the chain of the electric hoist for detection, so that possible damage to the electric hoist during misoperation and limit operation can be prevented.

    本发明涉及起重设备技术领域,尤其涉及一种电动葫芦,包括空心轴电机、齿轮箱、传动轴、离合器和齿轮轴,空心轴电机的动力输出轴为空心轴,传动轴穿过空心轴电机的动力输出轴;离合器安装于传动轴的第一端部,并通过离合器实现传动轴和动力输出轴的连接和断开;齿轮轴连接于传动轴,齿轮轴的端部安装制动器。将离合器与制动器分别安装于动力轴和齿轮轴组成的传动装置的前端和后端位置,如果离合器故障,可以通过制动器对载荷进行紧急制动,不会致使载荷在起升过程中直接坠落,起到有效制动的效果;同时,电动葫芦链条出入口处设置有限位开关进行检测,可以防止误操作以及极限操作时对电动葫芦可能造成的损坏。


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    Titel :

    Electric hoist


    Weitere Titelangaben:

    电动葫芦


    Beteiligte:
    WU LIFENG (Autor:in) / WANG MINGZHI (Autor:in)

    Erscheinungsdatum :

    2023-05-23


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Chinesisch


    Klassifikation :

    IPC:    B66C Krane , CRANES / B66D Haspeln , CAPSTANS



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