The invention relates to the technical field of cranes, in particular to a small crane which is characterized in that a non-slip mat is driven by a hydraulic push rod to move up and down, and movement of the position of a machine body is limited by friction force generated when the non-slip mat is in contact with the ground. Compared with the mode that movement of the machine body is limited through point friction between the four rollers and the ground, the non-slip mat is in surface contact with the ground, friction force between the non-slip mat and the ground is increased while the point friction between the rollers and the ground is reserved, and the position of the machine body is locked more stably; the locking block and the rotating block are locked through friction force, the situation that the steering wheel deflects, and consequently the machine body shakes can be avoided, the locking mode is automatic locking, locking points do not need to be manually found, and convenience and time saving are achieved.

    本发明涉及起重机技术领域,具体的说是一种小型起重机,通过液压推动杆驱动防滑垫上下移动,利用防滑垫与地面接触的摩擦力限制机体位置的移动,相比于传统小型起重机通过锁紧滚轮,利用四个滚轮与地面之间的点摩擦来限制机体移动相比,本发明防滑垫与地面之间为面接触,在保留滚轮与地面之间点摩擦的同时,增加了防滑垫与地面之间的摩擦力,使得机体位置锁定的更加稳固,且锁紧块与转动块之间通过摩擦力锁紧,可避免转向轮发生偏转,造成机体的晃动,且本发明的锁紧方式为自动锁紧,无需人为寻找锁紧点,方便省时。


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    Title :

    Small crane


    Additional title:

    一种小型起重机


    Contributors:
    GUAN KAIRI (author) / LUO MEI (author) / SHI BINGZE (author)

    Publication date :

    2023-04-25


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B66C Krane , CRANES



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