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(xia)(xia)部的(de)放油(you)(you)螺(luo)塞(sai)擰下(xia)(xia),放出橋殼的(de)潤滑油(you)(you);拆(chai)下(xia)(xia)主動錐齒(chi)輪凸緣與(yu)傳動軸的(de)連(lian)接(jie)螺(luo)栓(shuan);
2、半(ban)(ban)軸(zhou)(zhou)(zhou)(zhou)的(de)拆(chai)卸。拆(chai)卸前,應將(jiang)前輪用(yong)(yong)掩木掩住,松(song)開(kai)駐車制動(dong)(dong)器。拆(chai)卸時,松(song)開(kai)并(bing)擰下(xia)全部半(ban)(ban)軸(zhou)(zhou)(zhou)(zhou)緊(jin)固(gu)螺母及墊圈;用(yong)(yong)銅錘輕輕打擊半(ban)(ban)軸(zhou)(zhou)(zhou)(zhou)尾(wei)部中央2至3下(xia),使半(ban)(ban)軸(zhou)(zhou)(zhou)(zhou)法(fa)蘭(lan)面與輪轂連接面分離(li)后,用(yong)(yong)手拉半(ban)(ban)軸(zhou)(zhou)(zhou)(zhou)法(fa)蘭(lan),即可將(jiang)半(ban)(ban)軸(zhou)(zhou)(zhou)(zhou)抽(chou)出(chu)(chu)。注(zhu)意在(zai)半(ban)(ban)軸(zhou)(zhou)(zhou)(zhou)花鍵部分即將(jiang)通過油(you)封時,要用(yong)(yong)手托住半(ban)(ban)軸(zhou)(zhou)(zhou)(zhou)桿部,并(bing)緩(huan)緩(huan)轉動(dong)(dong)半(ban)(ban)軸(zhou)(zhou)(zhou)(zhou),使半(ban)(ban)軸(zhou)(zhou)(zhou)(zhou)并(bing)行移出(chu)(chu),不致將(jiang)半(ban)(ban)軸(zhou)(zhou)(zhou)(zhou)油(you)封損壞,也預防(fang)半(ban)(ban)軸(zhou)(zhou)(zhou)(zhou)掉地扎傷人;
3、主減(jian)速(su)器(qi)(qi)總(zong)成的拆(chai)卸(xie):卸(xie)下(xia)后制動(dong)軟(ruan)管(guan)與三(san)通接(jie)頭(tou);用小車,將減(jian)速(su)器(qi)(qi)殼(ke)(ke)支承好,拆(chai)下(xia)減(jian)速(su)器(qi)(qi)殼(ke)(ke)與后橋連接(jie)的12個螺栓,將減(jian)速(su)器(qi)(qi)總(zong)成從橋殼(ke)(ke)上取下(xia);斷(duan)開制動(dong)氣(qi)室軟(ruan)管(guan)、管(guan)路之間的連接(jie),拆(chai)下(xia)制動(dong)氣(qi)室,拆(chai)下(xia)調整臂總(zong)成;
4、拆除(chu)輪轂(gu)(gu)調整(zheng)螺母(mu)鎖片緊固(gu)螺釘,取出鎖片用,專用套筒拆掉輪轂(gu)(gu)調整(zheng)螺母(mu);稍稍轉動(dong)(dong)輪轂(gu)(gu)及制(zhi)動(dong)(dong)鼓總成(cheng)(cheng),用拉馬(ma)向(xiang)外拉輪轂(gu)(gu),同時(shi)在制(zhi)動(dong)(dong)鼓上輕輕敲(qiao)擊(ji),以震松外軸(zhou)承(cheng)內(nei)圈(quan),待外軸(zhou)承(cheng)內(nei)圈(quan)松動(dong)(dong)后,取下輪轂(gu)(gu)及制(zhi)動(dong)(dong)鼓總成(cheng)(cheng),但此(ci)時(shi)應注(zhu)意(yi)該總成(cheng)(cheng)重量較(jiao)重,不要摔壞或砸(za)傷人,同時(shi)要注(zhu)意(yi)保護(hu)外軸(zhou)承(cheng)內(nei)圈(quan)不要摔壞;
5、用(yong)拉(la)馬拆(chai)出內(nei)軸(zhou)承內(nei)圈總(zong)成(cheng)(cheng)和(he)油封座圈總(zong)成(cheng)(cheng);用(yong)回(hui)位彈簧拆(chai)卸(xie)工具,拆(chai)下(xia)(xia)(xia)制動器(qi)回(hui)位彈簧,取下(xia)(xia)(xia)凸輪(lun)軸(zhou);用(yong)板手(shou)拆(chai)下(xia)(xia)(xia)制動器(qi)底板緊固螺栓,取下(xia)(xia)(xia)制動器(qi)底板帶蹄片(pian)及(ji)防(fang)塵罩總(zong)成(cheng)(cheng);拆(chai)下(xia)(xia)(xia)制動氣室(shi)支架(jia),拆(chai)下(xia)(xia)(xia)橋殼總(zong)成(cheng)(cheng);
6、最后(hou)安裝拆卸的反序安裝即可。
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