The invention belongs to the technical field of belt transportation, and particularly relates to a manual winch for a crane, which comprises a support, a protective shell is fixedly connected to one side of the outer wall of the support, a handle is rotatably connected to the inside of the protective shell, a driving wheel is fixedly connected to one end of the handle, a driven wheel is rotatably connected to the inside of the protective shell, and the driven wheel is meshed with the driving wheel. A transmission belt is arranged on the outer wall of the first concave wheel; a second concave wheel is arranged on the inner wall of the transmission belt; a two-way screw rod is fixedly connected to the interior of the second concave wheel; the two ends of the two-way screw rod are rotationally connected to the interior of the support; a sliding block is in threaded connection with the outer wall of the two-way screw rod, the lower surface of the sliding block is slidably connected to the outer wall of the support, two symmetrical guide wheels are rotationally connected into the sliding block, a line roller is rotationally connected into the support, and a limiting assembly is arranged in the rotating rod.

    本发明属于皮带运输技术领域,尤其涉及一种吊车用手动卷扬机,包括支座,支座的外壁一侧固定连接有保护壳,保护壳的内部转动连接有把手,把手的一端固定连接有主动轮,保护壳的内部转动连接有从动轮,从动轮与主动轮相啮合,从动轮的内部固定连接有转动杆,转动杆的外壁固定连接有凹轮一,凹轮一的外壁设置有传动带,传动带的内壁设置有凹轮二,凹轮二的内部固定连接有双向螺杆,双向螺杆的两端均转动连接在所述支座的内部,双向螺杆的外壁螺纹连接有滑块,滑块的下表面滑动连接在所述支座的外壁,滑块的内部转动连接有两个相对称的导向轮,支座的内部转动连接有线锟,转动杆的内部设置有限位组件。


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    Title :

    Manual winch for crane


    Additional title:

    一种吊车用手动卷扬机


    Contributors:
    SONG ZHENGPU (author) / ZHU KUIZHU (author) / WEI MINGHUI (author) / SUN GANGZHI (author) / SUN NAIXIN (author)

    Publication date :

    2025-04-01


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B66D Haspeln , CAPSTANS



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