The invention discloses a construction hoist with an underneath type traction machine suitable for a building hoistway. The construction hoist comprises the traction machine, a sky beam, a traction medium, a cage and a counterweight. The sky beam is transversely arranged at the upper end of the building hoistway, the traction machine is arranged at the bottom of the hoistway, and a rewinding wheelis arranged above the traction machine. A first pulley is arranged at the top of the cage; a second pulley and a third pulley are arranged at the upper end of the sky beam at intervals; a fourth pulley is arranged on the counterweight; one end of the traction medium is led out upwards from the traction machine, bypasses the second pulley and the first pulley and then is led upwards and fixed; theother end of the traction medium is led out upwards from the traction machine, bypasses the rewinding wheel and the third pulley and then is led downwards to the fourth pulley, and the traction medium bypasses the fourth pulley and then is led out upwards and fixed; and the hoist has the advantages of being high in safety, convenient to maintain and low in noise.

    本发明公开了一种适用于建筑物井道的曳引机下置式施工升降机,包括曳引机、天梁、曳引媒介、吊笼及对重;天梁横设在建筑物井道的上端,曳引机设置于井道底部,其上方设有复绕轮;吊笼的顶部设有第一滑轮;天梁的上端间隔地设有第二滑轮和第三滑轮;对重上设有第四滑轮;曳引媒介的一端自曳引机向上引出,绕过第二滑轮和第一滑轮后,再向上引并固定;曳引媒介的另一端自曳引机向上引出,绕过复绕轮、第三滑轮后,再向下引至第四滑轮,曳引媒介绕过第四滑轮后向上引出并固定;本发明的升降机具有安全性高、维保方便、噪音小的优点。


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    Title :

    Construction hoist with underneath type traction machine suitable for building hoistway


    Additional title:

    一种适用于建筑物井道的曳引机下置式施工升降机


    Contributors:
    XU JIAN (author) / SUN MEISHENG (author) / GE XIAOBING (author)

    Publication date :

    2021-03-16


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B66B Aufzüge , ELEVATORS



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