
輪胎聯軸器采用(yong)輪胎體狀橡膠元(yuan)件,與兩個(ge)半(ban)聯(lian)經過螺栓聯(lian)接,實現扭矩傳(chuan)遞和位移補償(chang)。橡膠輪胎聯(lian)軸(zhou)器具有(you)較高的(de)彈性性能,扭轉剛度小,減震能力強,軸(zhou)向補償(chang)能力較大,有(you)良好的(de)阻尼(ni)性能。
彈性輪胎(tai)(tai)(tai)聯(lian)軸(zhou)(zhou)器輪胎(tai)(tai)(tai)體(ti)是輪胎(tai)(tai)(tai)聯(lian)軸(zhou)(zhou)器必要的(de)備件(jian)之(zhi)一(yi),相(xiang)應的(de)分(fen)為(wei)UL、LA、LB輪胎(tai)(tai)(tai)體(ti)。輪胎(tai)(tai)(tai)式(shi)(shi)聯(lian)軸(zhou)(zhou)器分(fen)為(wei)凸型和凹(ao)型兩大類,凸型又(you)分(fen)為(wei)帶骨(gu)架整(zheng)體(ti)式(shi)(shi)、無骨(gu)整(zheng)體(ti)式(shi)(shi)和徑向切口(kou)式(shi)(shi)三種。輪胎(tai)(tai)(tai)環內側用硫化方法與(yu)鋼質(zhi)骨(gu)架粘接成一(yi)體(ti),骨(gu)架上(shang)的(de)螺(luo)栓孔處焊有螺(luo)母。裝配時(shi)用螺(luo)栓與(yu)兩半聯(lian)軸(zhou)(zhou)器的(de)凸緣連接,依靠擰緊螺(luo)栓使輪胎(tai)(tai)(tai)與(yu)凸緣端面之(zhi)間(jian)產(chan)生(sheng)(sheng)的(de)摩擦力(li)來傳遞轉(zhuan)矩,輪胎(tai)(tai)(tai)環工(gong)作時(shi)發生(sheng)(sheng)扭轉(zhuan)剪(jian)切變形(xing),故輪胎(tai)(tai)(tai)聯(lian)軸(zhou)(zhou)器具有很高的(de)彈性,補償兩軸(zhou)(zhou)相(xiang)對(dui)位移的(de)能力(li)較大,并有良好的(de)阻尼,而且結構(gou)簡單、不(bu)需潤滑、裝拆和維護都比較方便。
輪胎式聯軸器缺點是承(cheng)載(zai)能力(li)(li)(li)不高、外(wai)(wai)形尺寸較(jiao)大,隨(sui)著兩(liang)軸(zhou)(zhou)(zhou)相對(dui)扭轉角的增(zeng)加使(shi)輪胎(tai)(tai)外(wai)(wai)形扭歪,軸(zhou)(zhou)(zhou)向(xiang)尺寸略(lve)有(you)減小,將(jiang)在兩(liang)軸(zhou)(zhou)(zhou)上產生(sheng)較(jiao)大的附(fu)(fu)加軸(zhou)(zhou)(zhou)向(xiang)力(li)(li)(li),使(shi)軸(zhou)(zhou)(zhou)承(cheng)負載(zai)加大而降低壽命。輪胎(tai)(tai)聯(lian)(lian)軸(zhou)(zhou)(zhou)器(qi)高速(su)運轉時,輪胎(tai)(tai)外(wai)(wai)緣由于離心力(li)(li)(li)的作用而向(xiang)外(wai)(wai)擴張,將(jiang)進一步增(zeng)大附(fu)(fu)加軸(zhou)(zhou)(zhou)向(xiang)力(li)(li)(li)。為此,在安裝聯(lian)(lian)軸(zhou)(zhou)(zhou)器(qi)時應采取措施,使(shi)輪胎(tai)(tai)中(zhong)的應力(li)(li)(li)方(fang)向(xiang)與工作時產生(sheng)的應力(li)(li)(li)方(fang)向(xiang)相反,以抵消(xiao)部(bu)分(fen)附(fu)(fu)加軸(zhou)(zhou)(zhou)向(xiang)力(li)(li)(li),達到改善聯(lian)(lian)軸(zhou)(zhou)(zhou)器(qi)和兩(liang)軸(zhou)(zhou)(zhou)承(cheng)的工和條件。
輪(lun)胎(tai)式聯軸(zhou)(zhou)器(qi)由于(yu)種(zhong)(zhong)種(zhong)(zhong)原因使(shi)其質心或慣(guan)(guan)(guan)性主軸(zhou)(zhou)與其加轉(zhuan)(zhuan)軸(zhou)(zhou)線不(bu)(bu)重合(he),在運轉(zhuan)(zhuan)時將(jiang)產(chan)生不(bu)(bu)平(ping)衡離(li)心慣(guan)(guan)(guan)性力(li)、離(li)心慣(guan)(guan)(guan)性力(li)偶和動(dong)撓(nao)度(du)(振(zhen)型)的(de)現(xian)象,稱為轉(zhuan)(zhuan)子的(de)不(bu)(bu)平(ping)衡現(xian)象,這種(zhong)(zhong)不(bu)(bu)平(ping)衡現(xian)象必然引起軸(zhou)(zhou)系(xi)的(de)振(zhen)動(dong),從(cong)而影響機(ji)器(qi)的(de)正常工作和使(shi)用(yong)壽命(ming),因而對其必須加以重視。
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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