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(qiao)殼(ke)下(xia)部的放油螺塞擰下(xia),放出橋(qiao)殼(ke)的潤滑油;拆下(xia)主動(dong)錐(zhui)齒輪凸緣與傳(chuan)動(dong)軸的連接螺栓;
2、半(ban)(ban)軸(zhou)(zhou)(zhou)(zhou)(zhou)的拆卸。拆卸前(qian),應(ying)將前(qian)輪用(yong)掩(yan)木掩(yan)住,松開駐車制動器(qi)。拆卸時,松開并(bing)擰(ning)下全部(bu)半(ban)(ban)軸(zhou)(zhou)(zhou)(zhou)(zhou)緊固螺母及墊(dian)圈;用(yong)銅(tong)錘輕(qing)(qing)輕(qing)(qing)打擊半(ban)(ban)軸(zhou)(zhou)(zhou)(zhou)(zhou)尾部(bu)中央2至3下,使半(ban)(ban)軸(zhou)(zhou)(zhou)(zhou)(zhou)法(fa)蘭(lan)面(mian)與輪轂連接面(mian)分(fen)離后,用(yong)手(shou)拉(la)半(ban)(ban)軸(zhou)(zhou)(zhou)(zhou)(zhou)法(fa)蘭(lan),即(ji)可將半(ban)(ban)軸(zhou)(zhou)(zhou)(zhou)(zhou)抽出(chu)。注意在半(ban)(ban)軸(zhou)(zhou)(zhou)(zhou)(zhou)花鍵部(bu)分(fen)即(ji)將通過油(you)封時,要用(yong)手(shou)托住半(ban)(ban)軸(zhou)(zhou)(zhou)(zhou)(zhou)桿部(bu),并(bing)緩緩轉動半(ban)(ban)軸(zhou)(zhou)(zhou)(zhou)(zhou),使半(ban)(ban)軸(zhou)(zhou)(zhou)(zhou)(zhou)并(bing)行(xing)移(yi)出(chu),不致將半(ban)(ban)軸(zhou)(zhou)(zhou)(zhou)(zhou)油(you)封損壞,也預防半(ban)(ban)軸(zhou)(zhou)(zhou)(zhou)(zhou)掉(diao)地扎傷人;
3、主減速(su)器(qi)總(zong)成(cheng)的(de)(de)拆卸:卸下后(hou)制(zhi)動軟(ruan)管與(yu)三通接(jie)頭(tou);用小車,將減速(su)器(qi)殼(ke)(ke)支承好,拆下減速(su)器(qi)殼(ke)(ke)與(yu)后(hou)橋(qiao)連(lian)接(jie)的(de)(de)12個螺栓(shuan),將減速(su)器(qi)總(zong)成(cheng)從(cong)橋(qiao)殼(ke)(ke)上取(qu)下;斷開制(zhi)動氣室(shi)軟(ruan)管、管路之間的(de)(de)連(lian)接(jie),拆下制(zhi)動氣室(shi),拆下調整臂總(zong)成(cheng);
4、拆除輪轂(gu)(gu)(gu)調整螺(luo)(luo)母鎖片緊固螺(luo)(luo)釘,取出鎖片用(yong)(yong)(yong),專用(yong)(yong)(yong)套筒拆掉輪轂(gu)(gu)(gu)調整螺(luo)(luo)母;稍稍轉動(dong)(dong)輪轂(gu)(gu)(gu)及制動(dong)(dong)鼓總(zong)成(cheng),用(yong)(yong)(yong)拉馬向外拉輪轂(gu)(gu)(gu),同時在制動(dong)(dong)鼓上輕(qing)輕(qing)敲擊,以震松外軸承(cheng)內(nei)圈,待外軸承(cheng)內(nei)圈松動(dong)(dong)后,取下輪轂(gu)(gu)(gu)及制動(dong)(dong)鼓總(zong)成(cheng),但(dan)此(ci)時應注意該總(zong)成(cheng)重量(liang)較(jiao)重,不(bu)要(yao)摔(shuai)(shuai)壞(huai)或砸傷(shang)人,同時要(yao)注意保(bao)護(hu)外軸承(cheng)內(nei)圈不(bu)要(yao)摔(shuai)(shuai)壞(huai);
5、用拉(la)馬(ma)拆(chai)出內軸承內圈(quan)總成和油封(feng)座圈(quan)總成;用回位彈簧拆(chai)卸工具,拆(chai)下制動器回位彈簧,取(qu)下凸輪軸;用板(ban)手拆(chai)下制動器底(di)(di)板(ban)緊固(gu)螺(luo)栓,取(qu)下制動器底(di)(di)板(ban)帶蹄片及(ji)防塵(chen)罩總成;拆(chai)下制動氣室支架,拆(chai)下橋殼總成;
6、最后安裝拆卸的反(fan)序安裝即可。
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