The invention discloses a lifting device with an automatic protection function. The lifting device comprises a crane body, wherein a rope cavity with a downward opening is formed in the crane body, adriving shaft is rotatably arranged between the front wall and the rear wall of the rope cavity, a winding drum is fixedly arranged on the outer circle face of the driving shaft, and a rope protectionshell is arranged on the lower side of the crane body; and a connecting block is fixedly arranged on the lower side of the outer circle face of the rope protection shell, a lifting hook is fixedly arranged on the lower end face of the connecting block, a lifting pulley cavity is formed in the rope protection shell, a pulley rotating shaft is rotationally arranged between the front wall and the rear wall of the lifting pulley cavity, and a lifting pulley is fixedly arranged on the outer circle face of the pulley rotating shaft. The lifting device can horizontally move and lift objects, the labor for carrying the objects is saved, use is convenient, the deviation degree of the lifted objects can be detected through a rope, the lifting power can be cut off when the deviation degree is too large, lifting stops, and accidents caused by excessive deviation of the lifted objects are avoided.

    本发明公开的一种具有自动保护功能的起重装置,包括起重机体,所述起重机体内设有开口向下的绳索腔,所述绳索腔前后壁之间转动设有主动轴,所述主动轴外圆面固定设有卷筒,所述起重机体下侧设有绳索保护壳,所述绳索保护壳外圆面下侧固定设有连接块,所述连接块下端面固定设有吊钩,所述绳索保护壳内设有升降滑轮腔,所述升降滑轮腔前后壁之间转动设有滑轮转轴,所述滑轮转轴外圆面固定设有升降滑轮,本发明能够水平移动位置并起吊物品,节省了搬运物品的人力,使用方便,并且能够通过绳索检测起重物品的偏移程度,偏移程度过大时能够切断起重的动力,停止起重,避免了由于起重物品偏移过度发生的意外事故。


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    Title :

    Lifting device with automatic protection function


    Additional title:

    一种具有自动保护功能的起重装置


    Contributors:
    WU YINGYI (author)

    Publication date :

    2021-01-12


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B66C Krane , CRANES



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