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)部的放油(you)螺塞擰下(xia),放出橋殼(ke)的潤滑油(you);拆下(xia)主動(dong)錐齒(chi)輪凸(tu)緣與(yu)傳動(dong)軸的連接螺栓;
2、半(ban)(ban)(ban)軸(zhou)(zhou)(zhou)的拆(chai)卸(xie)。拆(chai)卸(xie)前(qian),應將(jiang)(jiang)(jiang)前(qian)輪(lun)用掩木掩住,松開駐車制動(dong)器。拆(chai)卸(xie)時,松開并擰下全部(bu)半(ban)(ban)(ban)軸(zhou)(zhou)(zhou)緊固螺母及(ji)墊圈;用銅(tong)錘輕(qing)輕(qing)打擊半(ban)(ban)(ban)軸(zhou)(zhou)(zhou)尾部(bu)中(zhong)央(yang)2至3下,使半(ban)(ban)(ban)軸(zhou)(zhou)(zhou)法(fa)(fa)蘭(lan)面與輪(lun)轂連接面分(fen)離后,用手拉半(ban)(ban)(ban)軸(zhou)(zhou)(zhou)法(fa)(fa)蘭(lan),即可將(jiang)(jiang)(jiang)半(ban)(ban)(ban)軸(zhou)(zhou)(zhou)抽出。注意在半(ban)(ban)(ban)軸(zhou)(zhou)(zhou)花鍵部(bu)分(fen)即將(jiang)(jiang)(jiang)通(tong)過油封(feng)時,要用手托住半(ban)(ban)(ban)軸(zhou)(zhou)(zhou)桿部(bu),并緩緩轉動(dong)半(ban)(ban)(ban)軸(zhou)(zhou)(zhou),使半(ban)(ban)(ban)軸(zhou)(zhou)(zhou)并行(xing)移出,不(bu)致將(jiang)(jiang)(jiang)半(ban)(ban)(ban)軸(zhou)(zhou)(zhou)油封(feng)損壞,也預防(fang)半(ban)(ban)(ban)軸(zhou)(zhou)(zhou)掉地扎(zha)傷人(ren);
3、主減速器總(zong)成(cheng)(cheng)的拆(chai)卸:卸下后制(zhi)動軟(ruan)管(guan)與(yu)三通接頭;用(yong)小車(che),將(jiang)減速器殼支承好,拆(chai)下減速器殼與(yu)后橋連(lian)接的12個螺栓,將(jiang)減速器總(zong)成(cheng)(cheng)從橋殼上取(qu)下;斷(duan)開(kai)制(zhi)動氣室(shi)軟(ruan)管(guan)、管(guan)路之間的連(lian)接,拆(chai)下制(zhi)動氣室(shi),拆(chai)下調整臂總(zong)成(cheng)(cheng);
4、拆(chai)除輪(lun)轂(gu)調整(zheng)螺母(mu)(mu)鎖片緊(jin)固螺釘(ding),取(qu)出(chu)鎖片用(yong),專(zhuan)用(yong)套(tao)筒拆(chai)掉輪(lun)轂(gu)調整(zheng)螺母(mu)(mu);稍(shao)稍(shao)轉動輪(lun)轂(gu)及制(zhi)動鼓總成(cheng),用(yong)拉馬向外(wai)(wai)拉輪(lun)轂(gu),同(tong)時在制(zhi)動鼓上輕輕敲(qiao)擊,以震(zhen)松外(wai)(wai)軸承內(nei)圈(quan),待(dai)外(wai)(wai)軸承內(nei)圈(quan)松動后,取(qu)下(xia)輪(lun)轂(gu)及制(zhi)動鼓總成(cheng),但此時應注(zhu)意(yi)該總成(cheng)重(zhong)量(liang)較重(zhong),不要摔壞或砸(za)傷人(ren),同(tong)時要注(zhu)意(yi)保護外(wai)(wai)軸承內(nei)圈(quan)不要摔壞;
5、用(yong)拉馬拆(chai)出(chu)內軸(zhou)承(cheng)內圈總成(cheng)(cheng)和油封座圈總成(cheng)(cheng);用(yong)回位彈(dan)簧(huang)拆(chai)卸工具,拆(chai)下(xia)制(zhi)(zhi)動(dong)器回位彈(dan)簧(huang),取下(xia)凸(tu)輪軸(zhou);用(yong)板手拆(chai)下(xia)制(zhi)(zhi)動(dong)器底(di)板緊固(gu)螺栓,取下(xia)制(zhi)(zhi)動(dong)器底(di)板帶蹄(ti)片及防(fang)塵罩總成(cheng)(cheng);拆(chai)下(xia)制(zhi)(zhi)動(dong)氣室(shi)支架,拆(chai)下(xia)橋殼總成(cheng)(cheng);
6、最后安裝拆(chai)卸(xie)的反(fan)序安裝即可。
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