后橋是指連接兩個后輪的一個橋,向后驅動車的后橋稱之為驅動橋,不是后驅車的后橋稱之為支撐橋
后懸架總成 往往出現在乘用車中,一般由彈簧、減震器、連接桿、等組成的起到傳遞和支撐輪胎和車身的之間的激勵的部件。
一般分為三種 獨立懸架(連桿式的)、半獨立懸架(扭力梁式)、非獨立懸架(橋或者軸式的)。后橋是指連接兩個后輪的一個橋,向后驅動車的后橋稱之為驅動橋,不是后驅車的后橋稱之為支撐橋,
后懸架總成是指用來支撐車輛后部車身的,一般為獨立懸架
1、將橋殼下(xia)部的放(fang)油(you)螺(luo)塞(sai)擰(ning)下(xia),放(fang)出(chu)橋殼的潤滑(hua)油(you);拆下(xia)主動錐齒輪凸緣與傳動軸(zhou)的連接螺(luo)栓;
2、半(ban)(ban)(ban)(ban)軸的拆卸。拆卸前(qian),應將(jiang)(jiang)前(qian)輪用(yong)掩(yan)木掩(yan)住,松開駐車制動(dong)器。拆卸時,松開并(bing)(bing)擰下(xia)(xia)全部半(ban)(ban)(ban)(ban)軸緊固螺母及(ji)墊(dian)圈;用(yong)銅錘輕(qing)輕(qing)打(da)擊半(ban)(ban)(ban)(ban)軸尾部中(zhong)央(yang)2至3下(xia)(xia),使半(ban)(ban)(ban)(ban)軸法(fa)蘭面(mian)與(yu)輪轂(gu)連接面(mian)分離后(hou),用(yong)手拉半(ban)(ban)(ban)(ban)軸法(fa)蘭,即可將(jiang)(jiang)半(ban)(ban)(ban)(ban)軸抽出。注意在半(ban)(ban)(ban)(ban)軸花(hua)鍵部分即將(jiang)(jiang)通過油封(feng)時,要用(yong)手托住半(ban)(ban)(ban)(ban)軸桿部,并(bing)(bing)緩緩轉(zhuan)動(dong)半(ban)(ban)(ban)(ban)軸,使半(ban)(ban)(ban)(ban)軸并(bing)(bing)行(xing)移出,不致將(jiang)(jiang)半(ban)(ban)(ban)(ban)軸油封(feng)損壞,也預防半(ban)(ban)(ban)(ban)軸掉(diao)地(di)扎(zha)傷人;
3、主(zhu)減速器(qi)總成的(de)拆卸:卸下(xia)(xia)后(hou)(hou)制(zhi)(zhi)動軟管(guan)與(yu)三通接頭(tou);用小車,將減速器(qi)殼支承好,拆下(xia)(xia)減速器(qi)殼與(yu)后(hou)(hou)橋連接的(de)12個螺栓,將減速器(qi)總成從橋殼上取下(xia)(xia);斷開制(zhi)(zhi)動氣(qi)室軟管(guan)、管(guan)路(lu)之間的(de)連接,拆下(xia)(xia)制(zhi)(zhi)動氣(qi)室,拆下(xia)(xia)調整臂(bei)總成;
4、拆(chai)除輪(lun)轂調整螺母(mu)鎖片(pian)緊固螺釘,取出鎖片(pian)用,專用套筒(tong)拆(chai)掉輪(lun)轂調整螺母(mu);稍(shao)稍(shao)轉動(dong)輪(lun)轂及制(zhi)動(dong)鼓(gu)(gu)總(zong)成,用拉(la)馬向外(wai)拉(la)輪(lun)轂,同時在制(zhi)動(dong)鼓(gu)(gu)上輕輕敲擊,以震松(song)外(wai)軸承(cheng)內圈(quan),待外(wai)軸承(cheng)內圈(quan)松(song)動(dong)后(hou),取下輪(lun)轂及制(zhi)動(dong)鼓(gu)(gu)總(zong)成,但此時應注意該(gai)總(zong)成重量較重,不要(yao)摔壞或砸傷人,同時要(yao)注意保護(hu)外(wai)軸承(cheng)內圈(quan)不要(yao)摔壞;
5、用(yong)拉馬拆(chai)(chai)出內軸承內圈(quan)總(zong)(zong)成和油封座圈(quan)總(zong)(zong)成;用(yong)回位彈(dan)(dan)簧(huang)拆(chai)(chai)卸工具,拆(chai)(chai)下(xia)制動(dong)器回位彈(dan)(dan)簧(huang),取下(xia)凸輪軸;用(yong)板手拆(chai)(chai)下(xia)制動(dong)器底板緊固螺(luo)栓,取下(xia)制動(dong)器底板帶蹄片及防塵罩總(zong)(zong)成;拆(chai)(chai)下(xia)制動(dong)氣室支架,拆(chai)(chai)下(xia)橋殼總(zong)(zong)成;
6、最后安裝拆卸的反序安裝即可。
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