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(bu)的放(fang)油(you)螺塞擰下,放(fang)出橋殼的潤滑油(you);拆下主動錐(zhui)齒(chi)輪凸緣(yuan)與(yu)傳(chuan)動軸的連接螺栓;
2、半(ban)(ban)軸(zhou)(zhou)(zhou)(zhou)的拆(chai)卸。拆(chai)卸前(qian),應(ying)將前(qian)輪(lun)用(yong)掩木掩住(zhu),松開駐(zhu)車制(zhi)動(dong)器。拆(chai)卸時,松開并(bing)(bing)擰下(xia)全部(bu)半(ban)(ban)軸(zhou)(zhou)(zhou)(zhou)緊(jin)固螺母及墊圈;用(yong)銅錘(chui)輕輕打擊半(ban)(ban)軸(zhou)(zhou)(zhou)(zhou)尾(wei)部(bu)中(zhong)央2至3下(xia),使半(ban)(ban)軸(zhou)(zhou)(zhou)(zhou)法蘭面(mian)與輪(lun)轂(gu)連接面(mian)分離后(hou),用(yong)手拉半(ban)(ban)軸(zhou)(zhou)(zhou)(zhou)法蘭,即可(ke)將半(ban)(ban)軸(zhou)(zhou)(zhou)(zhou)抽出。注意(yi)在(zai)半(ban)(ban)軸(zhou)(zhou)(zhou)(zhou)花鍵(jian)部(bu)分即將通過油(you)(you)封時,要用(yong)手托(tuo)住(zhu)半(ban)(ban)軸(zhou)(zhou)(zhou)(zhou)桿部(bu),并(bing)(bing)緩緩轉動(dong)半(ban)(ban)軸(zhou)(zhou)(zhou)(zhou),使半(ban)(ban)軸(zhou)(zhou)(zhou)(zhou)并(bing)(bing)行移出,不致將半(ban)(ban)軸(zhou)(zhou)(zhou)(zhou)油(you)(you)封損壞,也預防半(ban)(ban)軸(zhou)(zhou)(zhou)(zhou)掉(diao)地扎傷(shang)人;
3、主減(jian)速(su)(su)器(qi)總(zong)成(cheng)(cheng)的(de)(de)拆(chai)卸(xie):卸(xie)下后制動軟(ruan)管(guan)(guan)與(yu)三通接(jie)(jie)頭;用小車(che),將減(jian)速(su)(su)器(qi)殼支承好,拆(chai)下減(jian)速(su)(su)器(qi)殼與(yu)后橋(qiao)連接(jie)(jie)的(de)(de)12個螺栓(shuan),將減(jian)速(su)(su)器(qi)總(zong)成(cheng)(cheng)從(cong)橋(qiao)殼上取下;斷(duan)開制動氣室(shi)軟(ruan)管(guan)(guan)、管(guan)(guan)路之間的(de)(de)連接(jie)(jie),拆(chai)下制動氣室(shi),拆(chai)下調整臂總(zong)成(cheng)(cheng);
4、拆(chai)除(chu)輪(lun)轂(gu)調整螺(luo)母鎖片緊固螺(luo)釘,取出鎖片用(yong),專用(yong)套筒(tong)拆(chai)掉輪(lun)轂(gu)調整螺(luo)母;稍(shao)稍(shao)轉動輪(lun)轂(gu)及制(zhi)動鼓總成(cheng),用(yong)拉馬向外(wai)(wai)拉輪(lun)轂(gu),同(tong)時(shi)在制(zhi)動鼓上(shang)輕輕敲擊,以震松(song)外(wai)(wai)軸承內圈,待外(wai)(wai)軸承內圈松(song)動后,取下輪(lun)轂(gu)及制(zhi)動鼓總成(cheng),但此時(shi)應注(zhu)意該總成(cheng)重(zhong)量較重(zhong),不要摔壞(huai)或砸傷人(ren),同(tong)時(shi)要注(zhu)意保護外(wai)(wai)軸承內圈不要摔壞(huai);
5、用(yong)拉馬拆(chai)(chai)出(chu)內(nei)軸(zhou)承內(nei)圈(quan)總成(cheng)和油封座圈(quan)總成(cheng);用(yong)回位彈簧拆(chai)(chai)卸工具,拆(chai)(chai)下制(zhi)(zhi)動器(qi)(qi)回位彈簧,取下凸輪軸(zhou);用(yong)板手(shou)拆(chai)(chai)下制(zhi)(zhi)動器(qi)(qi)底板緊固螺栓(shuan),取下制(zhi)(zhi)動器(qi)(qi)底板帶蹄片及(ji)防塵(chen)罩總成(cheng);拆(chai)(chai)下制(zhi)(zhi)動氣(qi)室支架,拆(chai)(chai)下橋殼總成(cheng);
6、最(zui)后(hou)安裝拆卸的反序安裝即可。
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