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(bu)的(de)放(fang)油螺塞擰(ning)下(xia)(xia),放(fang)出橋殼的(de)潤滑油;拆下(xia)(xia)主動錐齒輪凸(tu)緣(yuan)與傳(chuan)動軸的(de)連接螺栓;
2、半(ban)(ban)軸(zhou)的拆(chai)卸(xie)。拆(chai)卸(xie)前,應將(jiang)前輪用掩木掩住,松開駐車(che)制動器(qi)。拆(chai)卸(xie)時,松開并(bing)擰下全部(bu)(bu)(bu)半(ban)(ban)軸(zhou)緊(jin)固螺母(mu)及墊圈;用銅錘輕(qing)輕(qing)打(da)擊(ji)半(ban)(ban)軸(zhou)尾部(bu)(bu)(bu)中央2至3下,使半(ban)(ban)軸(zhou)法蘭面與(yu)輪轂連接(jie)面分(fen)離后,用手拉半(ban)(ban)軸(zhou)法蘭,即可將(jiang)半(ban)(ban)軸(zhou)抽出。注意在半(ban)(ban)軸(zhou)花鍵(jian)部(bu)(bu)(bu)分(fen)即將(jiang)通過油封時,要用手托住半(ban)(ban)軸(zhou)桿部(bu)(bu)(bu),并(bing)緩緩轉(zhuan)動半(ban)(ban)軸(zhou),使半(ban)(ban)軸(zhou)并(bing)行移(yi)出,不(bu)致將(jiang)半(ban)(ban)軸(zhou)油封損壞,也預防半(ban)(ban)軸(zhou)掉(diao)地(di)扎(zha)傷人;
3、主減速(su)(su)器(qi)(qi)(qi)總(zong)(zong)成(cheng)的拆(chai)卸:卸下(xia)后(hou)制(zhi)動(dong)(dong)軟管與三(san)通接(jie)頭;用小車(che),將減速(su)(su)器(qi)(qi)(qi)殼支承(cheng)好,拆(chai)下(xia)減速(su)(su)器(qi)(qi)(qi)殼與后(hou)橋連接(jie)的12個螺栓,將減速(su)(su)器(qi)(qi)(qi)總(zong)(zong)成(cheng)從橋殼上取下(xia);斷開制(zhi)動(dong)(dong)氣(qi)室軟管、管路之間的連接(jie),拆(chai)下(xia)制(zhi)動(dong)(dong)氣(qi)室,拆(chai)下(xia)調整臂總(zong)(zong)成(cheng);
4、拆除輪(lun)轂(gu)(gu)調(diao)整螺母(mu)鎖片緊(jin)固(gu)螺釘,取出鎖片用,專用套筒拆掉輪(lun)轂(gu)(gu)調(diao)整螺母(mu);稍稍轉動(dong)輪(lun)轂(gu)(gu)及(ji)制(zhi)動(dong)鼓(gu)總(zong)成,用拉馬向(xiang)外(wai)拉輪(lun)轂(gu)(gu),同時在制(zhi)動(dong)鼓(gu)上輕(qing)輕(qing)敲擊,以震松外(wai)軸承(cheng)內圈(quan)(quan),待外(wai)軸承(cheng)內圈(quan)(quan)松動(dong)后,取下輪(lun)轂(gu)(gu)及(ji)制(zhi)動(dong)鼓(gu)總(zong)成,但此時應注(zhu)意(yi)該總(zong)成重(zhong)量(liang)較(jiao)重(zhong),不要(yao)摔壞或砸(za)傷人,同時要(yao)注(zhu)意(yi)保護(hu)外(wai)軸承(cheng)內圈(quan)(quan)不要(yao)摔壞;
5、用拉馬(ma)拆(chai)出內軸承(cheng)內圈總(zong)(zong)成(cheng)(cheng)(cheng)和油封(feng)座圈總(zong)(zong)成(cheng)(cheng)(cheng);用回(hui)位彈簧(huang)拆(chai)卸工具,拆(chai)下(xia)制動器回(hui)位彈簧(huang),取下(xia)凸輪軸;用板(ban)手拆(chai)下(xia)制動器底板(ban)緊固螺栓,取下(xia)制動器底板(ban)帶蹄(ti)片(pian)及防塵罩總(zong)(zong)成(cheng)(cheng)(cheng);拆(chai)下(xia)制動氣室支架,拆(chai)下(xia)橋殼總(zong)(zong)成(cheng)(cheng)(cheng);
6、最后(hou)安(an)(an)裝拆(chai)卸的反(fan)序(xu)安(an)(an)裝即可。
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