
輪胎聯軸器采(cai)用輪(lun)胎(tai)體狀(zhuang)橡膠(jiao)元件,與兩個(ge)半聯經過螺栓聯接,實(shi)現扭(niu)矩傳遞和位(wei)移補償(chang)。橡膠(jiao)輪(lun)胎(tai)聯軸器(qi)具有(you)較高的彈性(xing)性(xing)能,扭(niu)轉剛度(du)小,減(jian)震能力強,軸向補償(chang)能力較大(da),有(you)良(liang)好的阻(zu)尼性(xing)能。
彈(dan)(dan)性輪胎(tai)(tai)(tai)(tai)(tai)(tai)聯(lian)(lian)(lian)軸(zhou)器輪胎(tai)(tai)(tai)(tai)(tai)(tai)體是輪胎(tai)(tai)(tai)(tai)(tai)(tai)聯(lian)(lian)(lian)軸(zhou)器必要的(de)(de)備(bei)件(jian)之一,相(xiang)應的(de)(de)分為UL、LA、LB輪胎(tai)(tai)(tai)(tai)(tai)(tai)體。輪胎(tai)(tai)(tai)(tai)(tai)(tai)式(shi)(shi)聯(lian)(lian)(lian)軸(zhou)器分為凸型和(he)凹型兩大(da)類,凸型又分為帶骨(gu)架(jia)整體式(shi)(shi)、無骨(gu)整體式(shi)(shi)和(he)徑向(xiang)切口(kou)式(shi)(shi)三(san)種。輪胎(tai)(tai)(tai)(tai)(tai)(tai)環內側用(yong)硫化方法與(yu)鋼質骨(gu)架(jia)粘接(jie)成一體,骨(gu)架(jia)上的(de)(de)螺栓(shuan)(shuan)(shuan)孔(kong)處焊(han)有螺母。裝配(pei)時用(yong)螺栓(shuan)(shuan)(shuan)與(yu)兩半聯(lian)(lian)(lian)軸(zhou)器的(de)(de)凸緣連接(jie),依(yi)靠擰緊(jin)螺栓(shuan)(shuan)(shuan)使輪胎(tai)(tai)(tai)(tai)(tai)(tai)與(yu)凸緣端面之間產生(sheng)(sheng)的(de)(de)摩(mo)擦力來傳(chuan)遞轉矩,輪胎(tai)(tai)(tai)(tai)(tai)(tai)環工作時發生(sheng)(sheng)扭轉剪切變形,故輪胎(tai)(tai)(tai)(tai)(tai)(tai)聯(lian)(lian)(lian)軸(zhou)器具有很(hen)高的(de)(de)彈(dan)(dan)性,補償兩軸(zhou)相(xiang)對(dui)位移的(de)(de)能力較大(da),并有良(liang)好(hao)的(de)(de)阻尼,而且(qie)結構簡單、不需(xu)潤滑、裝拆和(he)維護都比較方便。
輪胎式聯軸器缺(que)點是(shi)承載能力(li)不高、外形尺(chi)寸較(jiao)大,隨著兩軸(zhou)相對扭轉角的增(zeng)(zeng)加(jia)(jia)使(shi)輪胎外形扭歪,軸(zhou)向(xiang)(xiang)尺(chi)寸略(lve)有減小,將(jiang)在(zai)兩軸(zhou)上產生(sheng)較(jiao)大的附(fu)(fu)加(jia)(jia)軸(zhou)向(xiang)(xiang)力(li),使(shi)軸(zhou)承負載加(jia)(jia)大而降(jiang)低壽命。輪胎聯軸(zhou)器高速運(yun)轉時,輪胎外緣由于離心力(li)的作用而向(xiang)(xiang)外擴(kuo)張(zhang),將(jiang)進(jin)一步增(zeng)(zeng)大附(fu)(fu)加(jia)(jia)軸(zhou)向(xiang)(xiang)力(li)。為此,在(zai)安裝(zhuang)聯軸(zhou)器時應(ying)采(cai)取措施,使(shi)輪胎中的應(ying)力(li)方(fang)向(xiang)(xiang)與工(gong)作時產生(sheng)的應(ying)力(li)方(fang)向(xiang)(xiang)相反(fan),以抵消部分附(fu)(fu)加(jia)(jia)軸(zhou)向(xiang)(xiang)力(li),達到改(gai)善聯軸(zhou)器和兩軸(zhou)承的工(gong)和條(tiao)件。
輪胎式(shi)聯軸器由于種(zhong)種(zhong)原因使其(qi)質心(xin)或慣性(xing)主軸與其(qi)加轉軸線不(bu)重合,在運轉時(shi)將產生不(bu)平(ping)衡(heng)離心(xin)慣性(xing)力(li)、離心(xin)慣性(xing)力(li)偶和動(dong)撓度(du)(振(zhen)型)的(de)現(xian)象(xiang)(xiang)(xiang),稱為轉子的(de)不(bu)平(ping)衡(heng)現(xian)象(xiang)(xiang)(xiang),這種(zhong)不(bu)平(ping)衡(heng)現(xian)象(xiang)(xiang)(xiang)必然引起軸系的(de)振(zhen)動(dong),從而(er)(er)影(ying)響(xiang)機器的(de)正(zheng)常工作和使用(yong)壽命,因而(er)(er)對其(qi)必須加以重視(shi)。
The tyre coupling adopts tyre body-shaped rubber elements, which are connected with two semi-couplings through bolts to realize torque transmission and displacement compensation. Tyre coupling has high elastic performance, small torsional rigidity, strong damping capacity, large axial compensation capacity, and good damping performance.
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