
輪胎聯軸器采用輪(lun)胎(tai)體狀橡膠元件,與兩個半聯經過螺栓聯接,實現扭(niu)矩傳遞和位移補償。橡膠輪(lun)胎(tai)聯軸(zhou)器具有較高的彈性(xing)性(xing)能(neng)(neng),扭(niu)轉剛(gang)度小(xiao),減(jian)震(zhen)能(neng)(neng)力(li)強,軸(zhou)向補償能(neng)(neng)力(li)較大,有良(liang)好的阻尼性(xing)能(neng)(neng)。
彈(dan)性(xing)輪胎(tai)(tai)聯軸(zhou)(zhou)(zhou)器(qi)輪胎(tai)(tai)體是輪胎(tai)(tai)聯軸(zhou)(zhou)(zhou)器(qi)必要的(de)(de)備件之(zhi)一,相應(ying)的(de)(de)分為UL、LA、LB輪胎(tai)(tai)體。輪胎(tai)(tai)式(shi)聯軸(zhou)(zhou)(zhou)器(qi)分為凸型和(he)凹型兩大(da)類(lei),凸型又分為帶骨(gu)(gu)架(jia)整(zheng)(zheng)體式(shi)、無(wu)骨(gu)(gu)整(zheng)(zheng)體式(shi)和(he)徑向切(qie)口式(shi)三種(zhong)。輪胎(tai)(tai)環內側(ce)用(yong)硫化(hua)方法與(yu)鋼質(zhi)骨(gu)(gu)架(jia)粘接(jie)成一體,骨(gu)(gu)架(jia)上的(de)(de)螺栓(shuan)孔處焊(han)有(you)螺母。裝配時用(yong)螺栓(shuan)與(yu)兩半聯軸(zhou)(zhou)(zhou)器(qi)的(de)(de)凸緣連接(jie),依靠擰緊螺栓(shuan)使輪胎(tai)(tai)與(yu)凸緣端面(mian)之(zhi)間產生的(de)(de)摩擦(ca)力來傳遞轉矩(ju),輪胎(tai)(tai)環工作時發(fa)生扭(niu)轉剪切(qie)變形,故(gu)輪胎(tai)(tai)聯軸(zhou)(zhou)(zhou)器(qi)具有(you)很(hen)高的(de)(de)彈(dan)性(xing),補償(chang)兩軸(zhou)(zhou)(zhou)相對位(wei)移(yi)的(de)(de)能(neng)力較大(da),并(bing)有(you)良好的(de)(de)阻尼,而且(qie)結(jie)構簡單、不需潤滑、裝拆(chai)和(he)維護都比較方便(bian)。
輪胎式聯軸器缺點是承(cheng)載能(neng)力(li)不高、外形(xing)尺寸較(jiao)大(da)(da),隨著(zhu)兩(liang)軸(zhou)相(xiang)對扭轉(zhuan)角(jiao)的增加(jia)(jia)(jia)使輪(lun)(lun)胎外形(xing)扭歪,軸(zhou)向(xiang)(xiang)(xiang)(xiang)(xiang)尺寸略有減小(xiao),將在兩(liang)軸(zhou)上產生(sheng)較(jiao)大(da)(da)的附加(jia)(jia)(jia)軸(zhou)向(xiang)(xiang)(xiang)(xiang)(xiang)力(li),使軸(zhou)承(cheng)負(fu)載加(jia)(jia)(jia)大(da)(da)而(er)降(jiang)低壽命(ming)。輪(lun)(lun)胎聯(lian)軸(zhou)器(qi)高速運轉(zhuan)時(shi),輪(lun)(lun)胎外緣(yuan)由于(yu)離心力(li)的作用而(er)向(xiang)(xiang)(xiang)(xiang)(xiang)外擴張,將進一步增大(da)(da)附加(jia)(jia)(jia)軸(zhou)向(xiang)(xiang)(xiang)(xiang)(xiang)力(li)。為此,在安裝聯(lian)軸(zhou)器(qi)時(shi)應(ying)采取措(cuo)施,使輪(lun)(lun)胎中的應(ying)力(li)方向(xiang)(xiang)(xiang)(xiang)(xiang)與(yu)工(gong)作時(shi)產生(sheng)的應(ying)力(li)方向(xiang)(xiang)(xiang)(xiang)(xiang)相(xiang)反,以抵消部分附加(jia)(jia)(jia)軸(zhou)向(xiang)(xiang)(xiang)(xiang)(xiang)力(li),達到改善聯(lian)軸(zhou)器(qi)和(he)兩(liang)軸(zhou)承(cheng)的工(gong)和(he)條件。
輪胎式聯軸(zhou)(zhou)器(qi)(qi)由于(yu)種(zhong)(zhong)種(zhong)(zhong)原因使其質心或慣(guan)性主軸(zhou)(zhou)與其加轉軸(zhou)(zhou)線(xian)不(bu)重合,在運(yun)轉時將(jiang)產生(sheng)不(bu)平衡(heng)離心慣(guan)性力、離心慣(guan)性力偶和(he)(he)動(dong)撓(nao)度(振(zhen)型)的現(xian)(xian)象(xiang),稱為轉子的不(bu)平衡(heng)現(xian)(xian)象(xiang),這種(zhong)(zhong)不(bu)平衡(heng)現(xian)(xian)象(xiang)必然(ran)引起軸(zhou)(zhou)系的振(zhen)動(dong),從而影響(xiang)機器(qi)(qi)的正常工作和(he)(he)使用(yong)壽命,因而對(dui)其必須加以重視。
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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