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(fang)油螺塞擰下,放(fang)出橋殼的潤滑(hua)油;拆下主(zhu)動(dong)錐齒輪凸緣與傳動(dong)軸的連接螺栓(shuan);
2、半(ban)(ban)軸(zhou)(zhou)的拆卸。拆卸前,應將(jiang)(jiang)前輪用(yong)(yong)掩(yan)木掩(yan)住,松開(kai)駐車制(zhi)動器。拆卸時(shi),松開(kai)并(bing)擰下全部半(ban)(ban)軸(zhou)(zhou)緊(jin)固螺(luo)母(mu)及墊圈;用(yong)(yong)銅錘輕輕打擊半(ban)(ban)軸(zhou)(zhou)尾部中央2至3下,使半(ban)(ban)軸(zhou)(zhou)法蘭(lan)面與輪轂(gu)連接面分離后,用(yong)(yong)手拉(la)半(ban)(ban)軸(zhou)(zhou)法蘭(lan),即可將(jiang)(jiang)半(ban)(ban)軸(zhou)(zhou)抽出。注意在(zai)半(ban)(ban)軸(zhou)(zhou)花鍵部分即將(jiang)(jiang)通過油封時(shi),要(yao)用(yong)(yong)手托住半(ban)(ban)軸(zhou)(zhou)桿部,并(bing)緩(huan)緩(huan)轉(zhuan)動半(ban)(ban)軸(zhou)(zhou),使半(ban)(ban)軸(zhou)(zhou)并(bing)行移出,不致(zhi)將(jiang)(jiang)半(ban)(ban)軸(zhou)(zhou)油封損壞(huai),也預(yu)防(fang)半(ban)(ban)軸(zhou)(zhou)掉地(di)扎傷人;
3、主減(jian)速(su)(su)器(qi)總成的拆卸(xie):卸(xie)下(xia)(xia)(xia)后(hou)制動(dong)軟管與三通(tong)接(jie)頭;用小車,將(jiang)減(jian)速(su)(su)器(qi)殼支(zhi)承(cheng)好(hao),拆下(xia)(xia)(xia)減(jian)速(su)(su)器(qi)殼與后(hou)橋連(lian)(lian)接(jie)的12個螺栓,將(jiang)減(jian)速(su)(su)器(qi)總成從橋殼上取下(xia)(xia)(xia);斷開(kai)制動(dong)氣室軟管、管路(lu)之間的連(lian)(lian)接(jie),拆下(xia)(xia)(xia)制動(dong)氣室,拆下(xia)(xia)(xia)調整(zheng)臂總成;
4、拆除輪(lun)轂(gu)(gu)(gu)調整(zheng)螺(luo)母(mu)(mu)鎖(suo)片(pian)緊固螺(luo)釘,取出鎖(suo)片(pian)用(yong),專用(yong)套筒拆掉輪(lun)轂(gu)(gu)(gu)調整(zheng)螺(luo)母(mu)(mu);稍稍轉動輪(lun)轂(gu)(gu)(gu)及制動鼓(gu)總(zong)成(cheng),用(yong)拉(la)馬向外(wai)(wai)拉(la)輪(lun)轂(gu)(gu)(gu),同時(shi)在制動鼓(gu)上輕輕敲擊,以震松(song)外(wai)(wai)軸(zhou)承(cheng)內圈,待外(wai)(wai)軸(zhou)承(cheng)內圈松(song)動后,取下輪(lun)轂(gu)(gu)(gu)及制動鼓(gu)總(zong)成(cheng),但此(ci)時(shi)應注意(yi)該總(zong)成(cheng)重量較重,不要摔壞(huai)或(huo)砸傷(shang)人,同時(shi)要注意(yi)保護外(wai)(wai)軸(zhou)承(cheng)內圈不要摔壞(huai);
5、用拉馬拆(chai)(chai)出內軸承內圈總(zong)(zong)(zong)成(cheng)和油封座圈總(zong)(zong)(zong)成(cheng);用回位彈簧拆(chai)(chai)卸工具,拆(chai)(chai)下制動(dong)(dong)器回位彈簧,取(qu)下凸輪軸;用板手(shou)拆(chai)(chai)下制動(dong)(dong)器底板緊固螺(luo)栓,取(qu)下制動(dong)(dong)器底板帶蹄片(pian)及防塵罩總(zong)(zong)(zong)成(cheng);拆(chai)(chai)下制動(dong)(dong)氣室(shi)支架,拆(chai)(chai)下橋殼總(zong)(zong)(zong)成(cheng);
6、最后(hou)安裝拆卸(xie)的反序安裝即可。
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