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、將橋殼下部的放油螺(luo)塞擰(ning)下,放出(chu)橋殼的潤滑油;拆下主動錐齒輪凸緣與傳動軸的連接(jie)螺(luo)栓;
2、半(ban)(ban)軸(zhou)(zhou)(zhou)(zhou)的拆(chai)卸。拆(chai)卸前(qian),應將(jiang)前(qian)輪用(yong)(yong)掩木掩住(zhu)(zhu),松開(kai)駐車制動器。拆(chai)卸時,松開(kai)并(bing)(bing)擰下(xia)全部半(ban)(ban)軸(zhou)(zhou)(zhou)(zhou)緊固螺母(mu)及墊圈;用(yong)(yong)銅錘(chui)輕輕打擊半(ban)(ban)軸(zhou)(zhou)(zhou)(zhou)尾(wei)部中央(yang)2至3下(xia),使半(ban)(ban)軸(zhou)(zhou)(zhou)(zhou)法(fa)蘭面與輪轂(gu)連接面分(fen)離后,用(yong)(yong)手拉半(ban)(ban)軸(zhou)(zhou)(zhou)(zhou)法(fa)蘭,即(ji)可將(jiang)半(ban)(ban)軸(zhou)(zhou)(zhou)(zhou)抽出。注意在半(ban)(ban)軸(zhou)(zhou)(zhou)(zhou)花(hua)鍵部分(fen)即(ji)將(jiang)通過(guo)油封時,要用(yong)(yong)手托住(zhu)(zhu)半(ban)(ban)軸(zhou)(zhou)(zhou)(zhou)桿部,并(bing)(bing)緩緩轉(zhuan)動半(ban)(ban)軸(zhou)(zhou)(zhou)(zhou),使半(ban)(ban)軸(zhou)(zhou)(zhou)(zhou)并(bing)(bing)行移出,不致將(jiang)半(ban)(ban)軸(zhou)(zhou)(zhou)(zhou)油封損(sun)壞,也預(yu)防半(ban)(ban)軸(zhou)(zhou)(zhou)(zhou)掉地扎(zha)傷人;
3、主減(jian)(jian)(jian)速(su)(su)器總(zong)(zong)成的(de)拆卸(xie):卸(xie)下(xia)后制動軟(ruan)管與三通接(jie)頭;用小車,將(jiang)減(jian)(jian)(jian)速(su)(su)器殼支承(cheng)好,拆下(xia)減(jian)(jian)(jian)速(su)(su)器殼與后橋(qiao)連接(jie)的(de)12個螺(luo)栓,將(jiang)減(jian)(jian)(jian)速(su)(su)器總(zong)(zong)成從橋(qiao)殼上取下(xia);斷開制動氣室(shi)軟(ruan)管、管路之間(jian)的(de)連接(jie),拆下(xia)制動氣室(shi),拆下(xia)調整臂總(zong)(zong)成;
4、拆除(chu)輪(lun)轂(gu)調整螺母鎖片緊固螺釘,取出鎖片用,專用套(tao)筒拆掉輪(lun)轂(gu)調整螺母;稍稍轉動(dong)輪(lun)轂(gu)及制(zhi)(zhi)動(dong)鼓(gu)總(zong)(zong)成(cheng),用拉(la)馬向(xiang)外拉(la)輪(lun)轂(gu),同(tong)時(shi)(shi)在制(zhi)(zhi)動(dong)鼓(gu)上輕(qing)輕(qing)敲擊,以(yi)震松外軸(zhou)承(cheng)內圈(quan)(quan),待(dai)外軸(zhou)承(cheng)內圈(quan)(quan)松動(dong)后,取下輪(lun)轂(gu)及制(zhi)(zhi)動(dong)鼓(gu)總(zong)(zong)成(cheng),但(dan)此(ci)時(shi)(shi)應(ying)注意該總(zong)(zong)成(cheng)重量較重,不(bu)要摔(shuai)壞或砸傷人,同(tong)時(shi)(shi)要注意保護外軸(zhou)承(cheng)內圈(quan)(quan)不(bu)要摔(shuai)壞;
5、用(yong)拉(la)馬拆(chai)出內軸(zhou)承內圈總(zong)成和油封(feng)座(zuo)圈總(zong)成;用(yong)回位彈(dan)簧拆(chai)卸工具,拆(chai)下(xia)(xia)(xia)制(zhi)動器(qi)回位彈(dan)簧,取(qu)下(xia)(xia)(xia)凸輪(lun)軸(zhou);用(yong)板(ban)(ban)手拆(chai)下(xia)(xia)(xia)制(zhi)動器(qi)底(di)板(ban)(ban)緊固螺栓,取(qu)下(xia)(xia)(xia)制(zhi)動器(qi)底(di)板(ban)(ban)帶蹄片及防塵罩總(zong)成;拆(chai)下(xia)(xia)(xia)制(zhi)動氣室支架,拆(chai)下(xia)(xia)(xia)橋殼總(zong)成;
6、最后安裝(zhuang)拆卸(xie)的反序安裝(zhuang)即可。
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