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(jiang)橋(qiao)殼(ke)下部的放(fang)油(you)螺塞(sai)擰下,放(fang)出橋(qiao)殼(ke)的潤滑油(you);拆下主動(dong)錐齒輪凸緣與傳動(dong)軸的連接(jie)螺栓;
2、半(ban)(ban)(ban)軸(zhou)(zhou)(zhou)(zhou)的拆卸。拆卸前(qian)(qian),應將前(qian)(qian)輪(lun)(lun)用(yong)掩木掩住(zhu),松開駐車制動器。拆卸時,松開并(bing)擰下(xia)全部(bu)半(ban)(ban)(ban)軸(zhou)(zhou)(zhou)(zhou)緊(jin)固螺母(mu)及墊圈;用(yong)銅錘輕(qing)輕(qing)打擊(ji)半(ban)(ban)(ban)軸(zhou)(zhou)(zhou)(zhou)尾部(bu)中央2至3下(xia),使半(ban)(ban)(ban)軸(zhou)(zhou)(zhou)(zhou)法(fa)(fa)蘭(lan)面與輪(lun)(lun)轂(gu)連接面分離后,用(yong)手拉半(ban)(ban)(ban)軸(zhou)(zhou)(zhou)(zhou)法(fa)(fa)蘭(lan),即可將半(ban)(ban)(ban)軸(zhou)(zhou)(zhou)(zhou)抽出。注意在(zai)半(ban)(ban)(ban)軸(zhou)(zhou)(zhou)(zhou)花鍵部(bu)分即將通過油封(feng)時,要用(yong)手托住(zhu)半(ban)(ban)(ban)軸(zhou)(zhou)(zhou)(zhou)桿部(bu),并(bing)緩(huan)緩(huan)轉動半(ban)(ban)(ban)軸(zhou)(zhou)(zhou)(zhou),使半(ban)(ban)(ban)軸(zhou)(zhou)(zhou)(zhou)并(bing)行移出,不致(zhi)將半(ban)(ban)(ban)軸(zhou)(zhou)(zhou)(zhou)油封(feng)損壞,也預(yu)防半(ban)(ban)(ban)軸(zhou)(zhou)(zhou)(zhou)掉地扎傷人;
3、主減(jian)速器總成(cheng)(cheng)的拆卸:卸下后(hou)制動軟管(guan)與(yu)三通接(jie)頭;用小車(che),將減(jian)速器殼(ke)支承好,拆下減(jian)速器殼(ke)與(yu)后(hou)橋連(lian)接(jie)的12個螺栓,將減(jian)速器總成(cheng)(cheng)從橋殼(ke)上取下;斷開(kai)制動氣室軟管(guan)、管(guan)路之間(jian)的連(lian)接(jie),拆下制動氣室,拆下調整臂總成(cheng)(cheng);
4、拆除輪(lun)(lun)(lun)轂(gu)調(diao)整螺(luo)母(mu)鎖(suo)片緊固螺(luo)釘,取(qu)出鎖(suo)片用,專用套(tao)筒拆掉輪(lun)(lun)(lun)轂(gu)調(diao)整螺(luo)母(mu);稍稍轉動輪(lun)(lun)(lun)轂(gu)及制(zhi)(zhi)動鼓總成,用拉馬(ma)向外拉輪(lun)(lun)(lun)轂(gu),同(tong)時(shi)在制(zhi)(zhi)動鼓上輕(qing)輕(qing)敲擊,以震松外軸(zhou)(zhou)承(cheng)內(nei)圈,待外軸(zhou)(zhou)承(cheng)內(nei)圈松動后,取(qu)下(xia)輪(lun)(lun)(lun)轂(gu)及制(zhi)(zhi)動鼓總成,但此時(shi)應注(zhu)意(yi)該總成重(zhong)(zhong)量較(jiao)重(zhong)(zhong),不要摔壞(huai)或砸傷人,同(tong)時(shi)要注(zhu)意(yi)保護外軸(zhou)(zhou)承(cheng)內(nei)圈不要摔壞(huai);
5、用(yong)拉(la)馬拆(chai)(chai)出內(nei)(nei)軸承內(nei)(nei)圈(quan)總(zong)成(cheng)和油封座圈(quan)總(zong)成(cheng);用(yong)回(hui)(hui)位(wei)彈(dan)簧拆(chai)(chai)卸(xie)工具,拆(chai)(chai)下(xia)制(zhi)動(dong)(dong)(dong)器回(hui)(hui)位(wei)彈(dan)簧,取下(xia)凸(tu)輪軸;用(yong)板手拆(chai)(chai)下(xia)制(zhi)動(dong)(dong)(dong)器底(di)板緊固螺栓,取下(xia)制(zhi)動(dong)(dong)(dong)器底(di)板帶蹄片及(ji)防塵罩總(zong)成(cheng);拆(chai)(chai)下(xia)制(zhi)動(dong)(dong)(dong)氣(qi)室(shi)支架(jia),拆(chai)(chai)下(xia)橋殼(ke)總(zong)成(cheng);
6、最后安裝拆卸的反序安裝即可。
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