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)殼下部的(de)(de)放油(you)螺(luo)塞擰下,放出橋(qiao)殼的(de)(de)潤滑油(you);拆下主動(dong)錐齒輪凸緣與傳動(dong)軸的(de)(de)連接螺(luo)栓;
2、半(ban)(ban)(ban)(ban)(ban)軸(zhou)的(de)拆(chai)卸。拆(chai)卸前(qian),應將(jiang)前(qian)輪用掩木掩住,松(song)開駐車(che)制(zhi)動器。拆(chai)卸時,松(song)開并擰下全部半(ban)(ban)(ban)(ban)(ban)軸(zhou)緊(jin)固螺母(mu)及墊圈(quan);用銅錘輕輕打擊半(ban)(ban)(ban)(ban)(ban)軸(zhou)尾部中(zhong)央2至3下,使半(ban)(ban)(ban)(ban)(ban)軸(zhou)法蘭(lan)面與輪轂連(lian)接面分離后,用手拉半(ban)(ban)(ban)(ban)(ban)軸(zhou)法蘭(lan),即可(ke)將(jiang)半(ban)(ban)(ban)(ban)(ban)軸(zhou)抽出(chu)。注意在半(ban)(ban)(ban)(ban)(ban)軸(zhou)花(hua)鍵部分即將(jiang)通過(guo)油封時,要用手托住半(ban)(ban)(ban)(ban)(ban)軸(zhou)桿部,并緩(huan)緩(huan)轉動半(ban)(ban)(ban)(ban)(ban)軸(zhou),使半(ban)(ban)(ban)(ban)(ban)軸(zhou)并行移出(chu),不致將(jiang)半(ban)(ban)(ban)(ban)(ban)軸(zhou)油封損壞,也預防半(ban)(ban)(ban)(ban)(ban)軸(zhou)掉地扎傷人;
3、主減速(su)(su)器(qi)總(zong)(zong)成(cheng)(cheng)的拆卸:卸下(xia)后制動(dong)軟(ruan)管與(yu)三通接頭;用(yong)小(xiao)車,將減速(su)(su)器(qi)殼支承好(hao),拆下(xia)減速(su)(su)器(qi)殼與(yu)后橋(qiao)連接的12個(ge)螺栓,將減速(su)(su)器(qi)總(zong)(zong)成(cheng)(cheng)從橋(qiao)殼上取下(xia);斷開制動(dong)氣室軟(ruan)管、管路之(zhi)間的連接,拆下(xia)制動(dong)氣室,拆下(xia)調整臂總(zong)(zong)成(cheng)(cheng);
4、拆除(chu)輪(lun)轂調整(zheng)螺母(mu)鎖片(pian)緊固螺釘,取出鎖片(pian)用,專用套(tao)筒拆掉(diao)輪(lun)轂調整(zheng)螺母(mu);稍稍轉動(dong)輪(lun)轂及制(zhi)(zhi)(zhi)動(dong)鼓(gu)總(zong)成(cheng),用拉馬向外(wai)(wai)拉輪(lun)轂,同時在制(zhi)(zhi)(zhi)動(dong)鼓(gu)上輕輕敲擊,以震松外(wai)(wai)軸(zhou)承內圈(quan),待外(wai)(wai)軸(zhou)承內圈(quan)松動(dong)后,取下輪(lun)轂及制(zhi)(zhi)(zhi)動(dong)鼓(gu)總(zong)成(cheng),但此時應注意(yi)該(gai)總(zong)成(cheng)重量較重,不要(yao)摔壞或砸傷(shang)人,同時要(yao)注意(yi)保護外(wai)(wai)軸(zhou)承內圈(quan)不要(yao)摔壞;
5、用(yong)拉馬拆(chai)(chai)(chai)出內(nei)軸承內(nei)圈(quan)總(zong)成(cheng)和油封座圈(quan)總(zong)成(cheng);用(yong)回位彈簧(huang)拆(chai)(chai)(chai)卸工具,拆(chai)(chai)(chai)下(xia)(xia)制(zhi)(zhi)動器回位彈簧(huang),取下(xia)(xia)凸輪軸;用(yong)板手拆(chai)(chai)(chai)下(xia)(xia)制(zhi)(zhi)動器底板緊固螺栓(shuan),取下(xia)(xia)制(zhi)(zhi)動器底板帶蹄片及(ji)防塵罩總(zong)成(cheng);拆(chai)(chai)(chai)下(xia)(xia)制(zhi)(zhi)動氣室支架(jia),拆(chai)(chai)(chai)下(xia)(xia)橋殼總(zong)成(cheng);
6、最后安(an)裝(zhuang)拆卸的反(fan)序安(an)裝(zhuang)即可。
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