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絞車中雙速絞車的工作原理是什么?

來源: 時間:2018-02-28 16:39:40 瀏覽次數:

     雙速絞車的型式為單筒纏繞式,它是通過聯軸節以及減速器和一級開式圓柱齒輪將所有的動力傳遞到滾筒上去。然后在通過控制電機的正傳、反轉和停轉,讓纏繞在卷筒上的鋼絲繩進行工作。減速箱是 絞車的傳動最重要的部分,共有分為兩種速度轉動,快速和慢速,其快速轉動位置是需要絞車操作員搬動掉速手把將第一級閉式圓柱齒輪轉動的小齒輪滑移到與內齒圈聯接,便實現快速傳動。
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