
輪胎聯軸器采用輪胎(tai)(tai)體狀(zhuang)橡(xiang)膠(jiao)元件,與兩(liang)個半(ban)聯(lian)經過螺栓聯(lian)接,實現扭矩傳(chuan)遞和位移補償。橡(xiang)膠(jiao)輪胎(tai)(tai)聯(lian)軸器具有(you)較高的彈性性能(neng),扭轉剛度小,減震能(neng)力強(qiang),軸向補償能(neng)力較大,有(you)良好的阻尼性能(neng)。
彈(dan)性(xing)輪(lun)(lun)胎聯(lian)(lian)軸(zhou)器(qi)輪(lun)(lun)胎體(ti)是輪(lun)(lun)胎聯(lian)(lian)軸(zhou)器(qi)必要的備件之(zhi)一(yi),相(xiang)應(ying)的分(fen)為(wei)UL、LA、LB輪(lun)(lun)胎體(ti)。輪(lun)(lun)胎式(shi)(shi)聯(lian)(lian)軸(zhou)器(qi)分(fen)為(wei)凸型(xing)(xing)和凹型(xing)(xing)兩大類,凸型(xing)(xing)又分(fen)為(wei)帶骨(gu)架整(zheng)體(ti)式(shi)(shi)、無骨(gu)整(zheng)體(ti)式(shi)(shi)和徑向切口式(shi)(shi)三(san)種。輪(lun)(lun)胎環內側用硫化方(fang)法與鋼質骨(gu)架粘接成一(yi)體(ti),骨(gu)架上的螺(luo)栓孔處焊有(you)(you)螺(luo)母。裝(zhuang)配時(shi)用螺(luo)栓與兩半(ban)聯(lian)(lian)軸(zhou)器(qi)的凸緣(yuan)連接,依(yi)靠擰(ning)緊螺(luo)栓使輪(lun)(lun)胎與凸緣(yuan)端面之(zhi)間產生的摩擦(ca)力來傳(chuan)遞轉(zhuan)矩,輪(lun)(lun)胎環工作時(shi)發生扭轉(zhuan)剪切變形,故輪(lun)(lun)胎聯(lian)(lian)軸(zhou)器(qi)具有(you)(you)很高的彈(dan)性(xing),補償兩軸(zhou)相(xiang)對(dui)位移的能力較(jiao)(jiao)大,并有(you)(you)良好的阻尼,而(er)且結(jie)構簡單、不需潤(run)滑、裝(zhuang)拆和維護(hu)都比(bi)較(jiao)(jiao)方(fang)便。
輪胎式聯軸器缺點是承(cheng)(cheng)載(zai)能(neng)力(li)(li)不高(gao)、外(wai)形(xing)尺寸(cun)較大(da)(da),隨著(zhu)兩軸(zhou)(zhou)(zhou)相對扭(niu)轉角的(de)增(zeng)加(jia)使(shi)輪(lun)胎外(wai)形(xing)扭(niu)歪,軸(zhou)(zhou)(zhou)向(xiang)尺寸(cun)略有減小(xiao),將在(zai)兩軸(zhou)(zhou)(zhou)上產(chan)生(sheng)較大(da)(da)的(de)附加(jia)軸(zhou)(zhou)(zhou)向(xiang)力(li)(li),使(shi)軸(zhou)(zhou)(zhou)承(cheng)(cheng)負載(zai)加(jia)大(da)(da)而(er)降低(di)壽命。輪(lun)胎聯(lian)軸(zhou)(zhou)(zhou)器高(gao)速運轉時(shi),輪(lun)胎外(wai)緣由于離心力(li)(li)的(de)作(zuo)用(yong)而(er)向(xiang)外(wai)擴張,將進一步增(zeng)大(da)(da)附加(jia)軸(zhou)(zhou)(zhou)向(xiang)力(li)(li)。為此,在(zai)安(an)裝聯(lian)軸(zhou)(zhou)(zhou)器時(shi)應采取措施,使(shi)輪(lun)胎中(zhong)的(de)應力(li)(li)方(fang)向(xiang)與工作(zuo)時(shi)產(chan)生(sheng)的(de)應力(li)(li)方(fang)向(xiang)相反,以抵消部分附加(jia)軸(zhou)(zhou)(zhou)向(xiang)力(li)(li),達(da)到改善聯(lian)軸(zhou)(zhou)(zhou)器和兩軸(zhou)(zhou)(zhou)承(cheng)(cheng)的(de)工和條件。
輪胎式聯(lian)軸(zhou)器(qi)由于種種原因(yin)使其質心或慣(guan)性(xing)(xing)主軸(zhou)與其加(jia)轉軸(zhou)線不(bu)重合,在運轉時將產生(sheng)不(bu)平(ping)衡(heng)離(li)心慣(guan)性(xing)(xing)力、離(li)心慣(guan)性(xing)(xing)力偶和動撓度(振(zhen)型)的現象,稱為轉子的不(bu)平(ping)衡(heng)現象,這種不(bu)平(ping)衡(heng)現象必(bi)然(ran)引(yin)起軸(zhou)系的振(zhen)動,從而影響機器(qi)的正(zheng)常工(gong)作和使用壽命,因(yin)而對其必(bi)須加(jia)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.
微信咨詢

