卷筒聯軸器是一種新型撓(nao)性聯(lian)軸器，主(zhu)要用于(yu)起重設(she)備中起升機構的(de)減速器輸(shu)出軸與(yu)鋼(gang)絲繩卷(juan)(juan)(juan)筒(tong)的(de)聯(lian)接，也(ye)適(shi)用于(yu)其它類似(si)的(de)既(ji)傳遞轉矩又承(cheng)受徑向(xiang)(xiang)載(zai)荷的(de)機械設(she)備，但不能(neng)用作需承(cheng)受軸向(xiang)(xiang)載(zai)荷的(de)傳動。卷(juan)(juan)(juan)筒(tong)工(gong)作時產生(sheng)的(de)附(fu)加軸向(xiang)(xiang)載(zai)荷必須由卷(juan)(juan)(juan)筒(tong)固(gu)定(ding)支(zhi)承(cheng)座承(cheng)受，因此(ci)，聯(lian)軸器安裝時必須保證軸向(xiang)(xiang)定(ding)位正(zheng)確。否則卷(juan)(juan)(juan)筒(tong)工(gong)作時產生(sheng)的(de)彈性水(shui)平位移可(ke)能(neng)會破壞聯(lian)軸器的(de)軸向(xiang)(xiang)限位，造成聯(lian)接失(shi)效，甚至釀(niang)成嚴(yan)重事故。

卷筒聯軸器由(you)帶鼓(gu)(gu)形(xing)齒(chi)(chi)(chi)(chi)的外(wai)(wai)齒(chi)(chi)(chi)(chi)軸(zhou)(zhou)套(tao)(tao)、帶聯接法蘭和(he)(he)內齒(chi)(chi)(chi)(chi)圈(quan)的外(wai)(wai)套(tao)(tao)、帶外(wai)(wai)球(qiu)面(mian)的承載環(huan)、端(duan)蓋和(he)(he)密(mi)封圈(quan)等組(zu)成(cheng)，并(bing)設有定位磨損指針、潤滑(hua)油孔(kong)和(he)(he)通氣孔(kong)等。外(wai)(wai)齒(chi)(chi)(chi)(chi)軸(zhou)(zhou)套(tao)(tao)和(he)(he)外(wai)(wai)套(tao)(tao)構成(cheng)的鼓(gu)(gu)形(xing)齒(chi)(chi)(chi)(chi)式聯軸(zhou)(zhou)器(qi)傳(chuan)遞驅動功率(lv), 而由(you)承載環(huan)的外(wai)(wai)球(qiu)面(mian)和(he)(he)外(wai)(wai)套(tao)(tao)的內承載面(mian)形(xing)成(cheng)的接觸副構成(cheng)自動調位的球(qiu)面(mian)軸(zhou)(zhou)承，承受徑向載荷。卷筒(tong)用聯軸(zhou)(zhou)器(qi)的內、外(wai)(wai)齒(chi)(chi)(chi)(chi)嚙合在油浴中(zhong)工(gong)作,通過(guo)內外(wai)(wai)端(duan)蓋、密(mi)封圈(quan)防止潤滑(hua)脂泄漏。