工業齒(chi)(chi)(chi)(chi)式(shi)聯(lian)(lian)(lian)(lian)軸(zhou)器(qi)(qi)是由(you)齒(chi)(chi)(chi)(chi)數相同的(de)內齒(chi)(chi)(chi)(chi)圈和(he)帶外齒(chi)(chi)(chi)(chi)的(de)凸緣半聯(lian)(lian)(lian)(lian)軸(zhou)器(qi)(qi)等零(ling)件組成。外齒(chi)(chi)(chi)(chi)分為(wei)直齒(chi)(chi)(chi)(chi)和(he)鼓形齒(chi)(chi)(chi)(chi)兩種齒(chi)(chi)(chi)(chi)形,所(suo)謂鼓形齒(chi)(chi)(chi)(chi)即為(wei)將外齒(chi)(chi)(chi)(chi)制(zhi)成球面,球面中(zhong)心在(zai)齒(chi)(chi)(chi)(chi)輪軸(zhou)線上,齒(chi)(chi)(chi)(chi)側間隙較(jiao)一般齒(chi)(chi)(chi)(chi)輪大,鼓形齒(chi)(chi)(chi)(chi)聯(lian)(lian)(lian)(lian)軸(zhou)器(qi)(qi)可允許較(jiao)大的(de)角位移(相對(dui)于直齒(chi)(chi)(chi)(chi)聯(lian)(lian)(lian)(lian)軸(zhou)器(qi)(qi)),可改善齒(chi)(chi)(chi)(chi)的(de)接觸條件,提高傳遞轉矩的(de)能力(li),延長使用壽(shou)命。
工業(ye)齒(chi)(chi)式聯軸(zhou)(zhou)(zhou)器在工作時,兩軸(zhou)(zhou)(zhou)產(chan)生(sheng)相(xiang)對位移,內(nei)外齒(chi)(chi)的(de)齒(chi)(chi)面周期性作軸(zhou)(zhou)(zhou)向相(xiang)對滑(hua)動,必然形成(cheng)齒(chi)(chi)面磨損(sun)和(he)功率損(sun)耗(hao),因此(ci)齒(chi)(chi)式聯軸(zhou)(zhou)(zhou)器需在良好潤滑(hua)和(he)密封的(de)狀態下工作。
工業齒(chi)(chi)式(shi)聯軸(zhou)器徑向(xiang)尺寸小,承載能(neng)力大(da),常用于(yu)(yu)低(di)速(su)重(zhong)(zhong)載工況條(tiao)件的(de)軸(zhou)系傳動(dong),如(ru)冶金(jin)、礦山、起重(zhong)(zhong)運(yun)輸行業,也(ye)適(shi)用于(yu)(yu)石油、化工、通用機械等行業。高精度(du)并經動(dong)平衡的(de)齒(chi)(chi)式(shi)聯軸(zhou)器可用于(yu)(yu)高速(su)傳動(dong),如(ru)燃汽輪機的(de)軸(zhou)系傳動(dong)。由于(yu)(yu)鼓(gu)(gu)形齒(chi)(chi)式(shi)聯軸(zhou)器的(de)角向(xiang)補(bu)償大(da)于(yu)(yu)直(zhi)齒(chi)(chi)式(shi)聯軸(zhou)器,國內(nei)外均廣泛采用鼓(gu)(gu)形齒(chi)(chi)式(shi)聯軸(zhou)器。