凸(tu)(tu)(tu)緣(yuan)聯(lian)(lian)(lian)(lian)(lian)軸(zhou)(zhou)(zhou)(zhou)器(qi)屬于剛(gang)性(xing)聯(lian)(lian)(lian)(lian)(lian)軸(zhou)(zhou)(zhou)(zhou)器(qi)，是把兩(liang)個帶有凸(tu)(tu)(tu)緣(yuan)的(de)(de)半(ban)聯(lian)(lian)(lian)(lian)(lian)軸(zhou)(zhou)(zhou)(zhou)器(qi)用(yong)(yong)普(pu)通平(ping)鍵(jian)分別與(yu)(yu)兩(liang)軸(zhou)(zhou)(zhou)(zhou)連接，然后用(yong)(yong)螺(luo)(luo)栓(shuan)把兩(liang)個半(ban)聯(lian)(lian)(lian)(lian)(lian)軸(zhou)(zhou)(zhou)(zhou)器(qi)連成一(yi)體，以(yi)傳(chuan)(chuan)遞運動和(he)轉(zhuan)矩。這(zhe)種(zhong)聯(lian)(lian)(lian)(lian)(lian)軸(zhou)(zhou)(zhou)(zhou)器(qi)有兩(liang)種(zhong)主要的(de)(de)結構(gou)(gou)形式：靠(kao)鉸(jiao)制孔用(yong)(yong)螺(luo)(luo)栓(shuan)來(lai)實現兩(liang)軸(zhou)(zhou)(zhou)(zhou)對(dui)中(zhong)和(he)靠(kao)螺(luo)(luo)栓(shuan)桿承受擠(ji)壓(ya)與(yu)(yu)剪切來(lai)傳(chuan)(chuan)遞轉(zhuan)矩；靠(kao)一(yi)個半(ban)聯(lian)(lian)(lian)(lian)(lian)軸(zhou)(zhou)(zhou)(zhou)器(qi)上(shang)的(de)(de)凸(tu)(tu)(tu)肩與(yu)(yu)另一(yi)個半(ban)聯(lian)(lian)(lian)(lian)(lian)軸(zhou)(zhou)(zhou)(zhou)器(qi)上(shang)的(de)(de)凹槽(cao)相(xiang)配合(he)而對(dui)中(zhong)。連接兩(liang)個半(ban)聯(lian)(lian)(lian)(lian)(lian)軸(zhou)(zhou)(zhou)(zhou)器(qi)的(de)(de)螺(luo)(luo)栓(shuan)可以(yi)采用(yong)(yong)A級(ji)和(he)B級(ji)的(de)(de)普(pu)通螺(luo)(luo)栓(shuan)，轉(zhuan)矩靠(kao)兩(liang)個半(ban)聯(lian)(lian)(lian)(lian)(lian)軸(zhou)(zhou)(zhou)(zhou)器(qi)結合(he)面(mian)的(de)(de)摩(mo)擦力矩來(lai)傳(chuan)(chuan)遞。凸(tu)(tu)(tu)緣(yuan)聯(lian)(lian)(lian)(lian)(lian)軸(zhou)(zhou)(zhou)(zhou)器(qi)結構(gou)(gou)簡單，制造方便，成本(ben)較(jiao)低，工作可靠(kao)，裝(zhuang)拆、維護均較(jiao)簡便，傳(chuan)(chuan)遞轉(zhuan)矩較(jiao)大，能保證兩(liang)軸(zhou)(zhou)(zhou)(zhou)具有較(jiao)高的(de)(de)對(dui)中(zhong)精(jing)度(du)(du)，一(yi)般常用(yong)(yong)于載(zai)荷平(ping)穩，高速或傳(chuan)(chuan)動精(jing)度(du)(du)要求(qiu)較(jiao)高的(de)(de)軸(zhou)(zhou)(zhou)(zhou)系傳(chuan)(chuan)動。凸(tu)(tu)(tu)緣(yuan)聯(lian)(lian)(lian)(lian)(lian)軸(zhou)(zhou)(zhou)(zhou)器(qi)不具備徑向(xiang)、軸(zhou)(zhou)(zhou)(zhou)向(xiang)和(he)角(jiao)向(xiang)補償。剛(gang)性(xing)聯(lian)(lian)(lian)(lian)(lian)軸(zhou)(zhou)(zhou)(zhou)器(qi)是一(yi)種(zhong)扭轉(zhuan)剛(gang)性(xing)的(de)(de)聯(lian)(lian)(lian)(lian)(lian)軸(zhou)(zhou)(zhou)(zhou)器(qi)，即(ji)使(shi)承受負載(zai)時(shi)也(ye)無任何回轉(zhuan)間隙(xi)，即(ji)便是有偏差產生(sheng)負荷時(shi)，剛(gang)性(xing)聯(lian)(lian)(lian)(lian)(lian)軸(zhou)(zhou)(zhou)(zhou)器(qi)還(huan)是剛(gang)性(xing)傳(chuan)(chuan)遞扭矩。