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(qiao)殼下(xia)部的(de)放油螺塞擰下(xia),放出(chu)橋(qiao)殼的(de)潤滑油;拆下(xia)主動錐齒輪凸緣與傳動軸的(de)連接螺栓;
2、半(ban)(ban)(ban)軸(zhou)(zhou)(zhou)(zhou)的拆(chai)卸(xie)。拆(chai)卸(xie)前(qian),應將前(qian)輪(lun)用掩(yan)木掩(yan)住,松開駐車制動器。拆(chai)卸(xie)時,松開并擰下全部(bu)半(ban)(ban)(ban)軸(zhou)(zhou)(zhou)(zhou)緊固螺(luo)母(mu)及墊圈(quan);用銅錘(chui)輕輕打擊半(ban)(ban)(ban)軸(zhou)(zhou)(zhou)(zhou)尾部(bu)中央2至3下,使半(ban)(ban)(ban)軸(zhou)(zhou)(zhou)(zhou)法蘭(lan)(lan)面與輪(lun)轂連接面分離后,用手拉半(ban)(ban)(ban)軸(zhou)(zhou)(zhou)(zhou)法蘭(lan)(lan),即(ji)可將半(ban)(ban)(ban)軸(zhou)(zhou)(zhou)(zhou)抽出。注意在半(ban)(ban)(ban)軸(zhou)(zhou)(zhou)(zhou)花(hua)鍵部(bu)分即(ji)將通過油封時,要用手托住半(ban)(ban)(ban)軸(zhou)(zhou)(zhou)(zhou)桿部(bu),并緩(huan)緩(huan)轉(zhuan)動半(ban)(ban)(ban)軸(zhou)(zhou)(zhou)(zhou),使半(ban)(ban)(ban)軸(zhou)(zhou)(zhou)(zhou)并行移出,不致將半(ban)(ban)(ban)軸(zhou)(zhou)(zhou)(zhou)油封損壞,也預防半(ban)(ban)(ban)軸(zhou)(zhou)(zhou)(zhou)掉地扎傷(shang)人;
3、主減(jian)速(su)(su)器(qi)總(zong)成的拆(chai)卸:卸下(xia)(xia)后制動(dong)(dong)軟管與三通(tong)接(jie)頭(tou);用小車,將(jiang)減(jian)速(su)(su)器(qi)殼(ke)(ke)支承好,拆(chai)下(xia)(xia)減(jian)速(su)(su)器(qi)殼(ke)(ke)與后橋連(lian)接(jie)的12個螺栓(shuan),將(jiang)減(jian)速(su)(su)器(qi)總(zong)成從橋殼(ke)(ke)上取(qu)下(xia)(xia);斷開制動(dong)(dong)氣室軟管、管路(lu)之間的連(lian)接(jie),拆(chai)下(xia)(xia)制動(dong)(dong)氣室,拆(chai)下(xia)(xia)調整臂總(zong)成;
4、拆除輪轂(gu)調(diao)整螺(luo)母鎖片(pian)緊固(gu)螺(luo)釘,取出(chu)鎖片(pian)用,專用套(tao)筒拆掉輪轂(gu)調(diao)整螺(luo)母;稍(shao)稍(shao)轉動(dong)輪轂(gu)及制動(dong)鼓(gu)(gu)總成,用拉馬(ma)向外(wai)拉輪轂(gu),同時(shi)在制動(dong)鼓(gu)(gu)上輕輕敲擊,以震松外(wai)軸承(cheng)內圈(quan),待外(wai)軸承(cheng)內圈(quan)松動(dong)后(hou),取下輪轂(gu)及制動(dong)鼓(gu)(gu)總成,但此時(shi)應注(zhu)意該總成重(zhong)量較(jiao)重(zhong),不(bu)(bu)要(yao)摔壞或砸傷人(ren),同時(shi)要(yao)注(zhu)意保護外(wai)軸承(cheng)內圈(quan)不(bu)(bu)要(yao)摔壞;
5、用(yong)拉馬拆(chai)(chai)出內軸承內圈總(zong)成(cheng)(cheng)和油封座圈總(zong)成(cheng)(cheng);用(yong)回位彈(dan)簧(huang)拆(chai)(chai)卸工具(ju),拆(chai)(chai)下(xia)制動(dong)(dong)器回位彈(dan)簧(huang),取(qu)下(xia)凸輪軸;用(yong)板(ban)手拆(chai)(chai)下(xia)制動(dong)(dong)器底板(ban)緊固螺栓,取(qu)下(xia)制動(dong)(dong)器底板(ban)帶蹄片(pian)及防(fang)塵罩總(zong)成(cheng)(cheng);拆(chai)(chai)下(xia)制動(dong)(dong)氣室支架,拆(chai)(chai)下(xia)橋(qiao)殼總(zong)成(cheng)(cheng);
6、最后(hou)安裝拆卸的反序安裝即可(ke)。
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