The invention relates to a height early warning device and a crane. The height early warning device comprises a shell, a battery, a prompter and a falling assembly, a containing space is formed in the shell, a conducting layer is arranged on the inner wall of the shell, the battery is arranged in the containing space, one electrode of the battery is electrically connected with the conducting layer, the prompter is electrically connected with the other electrode of the battery, and the falling assembly is electrically connected with the battery. The falling assembly is movably connected to the shell, part of the falling assembly is located in the containing space, the part, located in the containing space, of the falling assembly is provided with a conductive part, the conductive part is electrically connected with the prompter, and when the shell ascends, the part, located in the containing space, of the falling assembly moves downwards and abuts against the shell, so that the conductive part abuts against the conductive layer. The height early warning device provided by the invention has the advantages that the influence of environmental wind power is small, and early warning can be stably carried out on the operation height. The crane provided by the invention comprises the height early warning device.

    本申请涉及一种高度预警装置和吊车。本申请所述的高度预警装置包括壳体、电池、提示器和下坠组件,壳体形成有容置空间,壳体的内壁设置有导电层,电池设置在容置空间内,电池的其中一个电极与导电层电性连接,提示器与电池的另一个电极电性连接,下坠组件可移动地连接于壳体,且部分下坠组件位于容置空间内,下坠组件位于容置空间内的部分设置有导电件,导电件与提示器电性连接,当壳体上升时,下坠组件位于容置空间内的部分向下移动并抵接壳体,使得导电件抵接于导电层。本申请所提供的高度预警装置具有受环境风力影响小,可稳定地对作业高度进行预警的优点。本申请所述的吊车包括上述的高度预警装置。


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    Title :

    Height early warning device and crane


    Additional title:

    高度预警装置及吊车


    Contributors:
    HE YUANFENG (author) / GENG BEIBEI (author) / LAI HAO (author) / YAO YANCHAO (author) / MAO PINGTAO (author)

    Publication date :

    2024-05-03


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B66C Krane , CRANES



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