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(ke)下(xia)部的(de)放油(you)螺塞(sai)擰下(xia),放出橋殼(ke)的(de)潤滑油(you);拆下(xia)主動(dong)錐齒輪凸(tu)緣與傳(chuan)動(dong)軸的(de)連(lian)接螺栓;
2、半(ban)軸(zhou)的(de)拆(chai)卸(xie)。拆(chai)卸(xie)前,應將(jiang)前輪(lun)用(yong)掩木掩住,松(song)開(kai)駐車制動器。拆(chai)卸(xie)時(shi),松(song)開(kai)并擰下(xia)全部(bu)(bu)半(ban)軸(zhou)緊(jin)固螺母及墊圈;用(yong)銅(tong)錘輕輕打擊半(ban)軸(zhou)尾部(bu)(bu)中央2至3下(xia),使(shi)半(ban)軸(zhou)法蘭面與輪(lun)轂連接面分(fen)離后,用(yong)手拉半(ban)軸(zhou)法蘭,即可將(jiang)半(ban)軸(zhou)抽出。注意(yi)在半(ban)軸(zhou)花鍵(jian)部(bu)(bu)分(fen)即將(jiang)通過油封(feng)(feng)時(shi),要用(yong)手托住半(ban)軸(zhou)桿部(bu)(bu),并緩緩轉動半(ban)軸(zhou),使(shi)半(ban)軸(zhou)并行移(yi)出,不致將(jiang)半(ban)軸(zhou)油封(feng)(feng)損壞,也預防(fang)半(ban)軸(zhou)掉(diao)地扎傷人(ren);
3、主減速(su)器(qi)總成的拆(chai)(chai)卸:卸下(xia)后(hou)(hou)制(zhi)(zhi)動軟(ruan)管(guan)與(yu)(yu)三通接頭(tou);用小車(che),將減速(su)器(qi)殼(ke)支承(cheng)好,拆(chai)(chai)下(xia)減速(su)器(qi)殼(ke)與(yu)(yu)后(hou)(hou)橋連接的12個(ge)螺栓(shuan),將減速(su)器(qi)總成從橋殼(ke)上取下(xia);斷開(kai)制(zhi)(zhi)動氣(qi)室軟(ruan)管(guan)、管(guan)路之(zhi)間的連接,拆(chai)(chai)下(xia)制(zhi)(zhi)動氣(qi)室,拆(chai)(chai)下(xia)調(diao)整臂(bei)總成;
4、拆除輪(lun)轂調整(zheng)螺母(mu)(mu)鎖片緊固(gu)螺釘,取出(chu)鎖片用(yong),專用(yong)套(tao)筒拆掉(diao)輪(lun)轂調整(zheng)螺母(mu)(mu);稍(shao)稍(shao)轉動(dong)輪(lun)轂及(ji)制(zhi)動(dong)鼓(gu)(gu)總(zong)成(cheng)(cheng),用(yong)拉馬向外(wai)(wai)拉輪(lun)轂,同(tong)(tong)時(shi)在制(zhi)動(dong)鼓(gu)(gu)上(shang)輕輕敲擊,以(yi)震松(song)外(wai)(wai)軸(zhou)承(cheng)內圈,待外(wai)(wai)軸(zhou)承(cheng)內圈松(song)動(dong)后,取下輪(lun)轂及(ji)制(zhi)動(dong)鼓(gu)(gu)總(zong)成(cheng)(cheng),但此時(shi)應注意該總(zong)成(cheng)(cheng)重(zhong)量較重(zhong),不(bu)要摔壞或(huo)砸(za)傷人,同(tong)(tong)時(shi)要注意保護外(wai)(wai)軸(zhou)承(cheng)內圈不(bu)要摔壞;
5、用(yong)拉馬拆(chai)(chai)出內軸承內圈總成(cheng)(cheng)和油封座(zuo)圈總成(cheng)(cheng);用(yong)回位彈(dan)簧(huang)(huang)拆(chai)(chai)卸(xie)工具,拆(chai)(chai)下(xia)制動器(qi)回位彈(dan)簧(huang)(huang),取(qu)下(xia)凸輪軸;用(yong)板手拆(chai)(chai)下(xia)制動器(qi)底板緊(jin)固(gu)螺栓,取(qu)下(xia)制動器(qi)底板帶蹄片及防(fang)塵(chen)罩(zhao)總成(cheng)(cheng);拆(chai)(chai)下(xia)制動氣室支架,拆(chai)(chai)下(xia)橋殼總成(cheng)(cheng);
6、最后(hou)安(an)裝(zhuang)拆卸的反序(xu)安(an)裝(zhuang)即可。
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