輪(lun)式(shi)驅動(dong)橋(qiao)(qiao)零件檢(jian)修(xiu)1.橋(qiao)(qiao)殼(ke)(ke)與半軸(zhou)套(tao)管常見的耗損(sun)形(xing)式(shi)及檢(jian)驗方法:(1)半軸(zhou)套(tao)管軸(zhou)頸(jing)(jing)、鑲半軸(zhou)套(tao)管的后橋(qiao)(qiao)殼(ke)(ke)座孔、定位銷孔磨損(sun)。可用(yong)量(liang)具(ju)測量(liang)，應符合規定。2橋(qiao)(qiao)殼(ke)(ke)裂紋(wen)或(huo)斷裂。可用(yong)敲擊(ji)聽聲法檢(jian)查(cha)(cha)其(qi)裂紋(wen)。 輪(lun)式(shi)驅動(dong)橋(qiao)(qiao)零件檢(jian)修(xiu)3)橋(qiao)(qiao)殼(ke)(ke)彎曲或(huo)扭轉(zhuan)變形(xing)整體式(shi)橋(qiao)(qiao)殼(ke)(ke)變形(xing)檢(jian)查(cha)(cha):是以橋(qiao)(qiao)殼(ke)(ke)兩端內軸(zhou)頸(jing)(jing)為基(ji)準，檢(jian)查(cha)(cha)其(qi)前(qian)端面(mian)的平(ping)行度誤差及外軸(zhou)頸(jing)(jing)徑(jing)向圓(yuan)跳(tiao)(tiao)(tiao)動(dong)量(liang)。斷開式(shi)橋(qiao)(qiao)殼(ke)(ke):可以橋(qiao)(qiao)殼(ke)(ke)的結合圓(yuan)柱面(mian)、結合平(ping)面(mian)及另一端內錐(zhui)面(mian)為支承，檢(jian)查(cha)(cha)其(qi)內外軸(zhou)頸(jing)(jing)的徑(jing)向跳(tiao)(tiao)(tiao)動(dong)量(liang)、橋(qiao)(qiao)殼(ke)(ke)與減速器結合平(ping)面(mian)的端面(mian)圓(yuan)跳(tiao)(tiao)(tiao)動(dong)量(liang)。對橋(qiao)(qiao)殼(ke)(ke)的變形(xing)可用(yong)壓力校正(zheng)或(huo)火焰校正(zheng)。主減速器一般(ban)用(yong)來改變傳動(dong)方向，降低轉(zhuan)速，增大扭矩，保(bao)證(zheng)汽車有足夠(gou)的驅動(dong)力和(he)適當的速度。上饒(rao)輪(lun)挖驅動(dong)橋(qiao)(qiao)貨源充足

2）半(ban)(ban)(ban)浮式(shi)半(ban)(ban)(ban)軸(zhou)(zhou)(zhou)(zhou)全浮式(shi)半(ban)(ban)(ban)軸(zhou)(zhou)(zhou)(zhou)，外(wai)端為(wei)凸緣盤與軸(zhou)(zhou)(zhou)(zhou)制成一體。但也(ye)有一些載重汽(qi)車(che)把(ba)凸緣制成單獨零件，并借花(hua)鍵(jian)套(tao)合在(zai)半(ban)(ban)(ban)軸(zhou)(zhou)(zhou)(zhou)外(wai)端。因而，半(ban)(ban)(ban)軸(zhou)(zhou)(zhou)(zhou)的兩(liang)(liang)端都是花(hua)鍵(jian)，可以換頭使用(yong)(yong)。1-半(ban)(ban)(ban)軸(zhou)(zhou)(zhou)(zhou)套(tao)管(guan)；2-調整螺母；3-油(you)封(feng)；4-鎖緊(jin)墊(dian)圈(quan)；5-鎖緊(jin)螺母；6-半(ban)(ban)(ban)軸(zhou)(zhou)(zhou)(zhou)；7-輪(lun)(lun)轂(gu)螺栓；8,10-圓錐滾子(zi)軸(zhou)(zhou)(zhou)(zhou)承(cheng)(cheng)；9-輪(lun)(lun)轂(gu)；11-油(you)封(feng)；12-空心(xin)梁一般大(da)、中型汽(qi)車(che)均采用(yong)(yong)全浮式(shi)結構。半(ban)(ban)(ban)軸(zhou)(zhou)(zhou)(zhou)的內端用(yong)(yong)花(hua)鍵(jian)與差(cha)速(su)器的半(ban)(ban)(ban)軸(zhou)(zhou)(zhou)(zhou)齒輪(lun)(lun)相連接，半(ban)(ban)(ban)軸(zhou)(zhou)(zhou)(zhou)的外(wai)端鍛出凸緣，用(yong)(yong)螺栓和(he)輪(lun)(lun)轂(gu)連接。輪(lun)(lun)轂(gu)通過兩(liang)(liang)個相距較(jiao)遠(yuan)的圓錐滾子(zi)軸(zhou)(zhou)(zhou)(zhou)承(cheng)(cheng)文承(cheng)(cheng)在(zai)半(ban)(ban)(ban)軸(zhou)(zhou)(zhou)(zhou)套(tao)管(guan)上。半(ban)(ban)(ban)軸(zhou)(zhou)(zhou)(zhou)套(tao)管(guan)與后(hou)橋(qiao)殼(ke)壓(ya)配成一體，組成驅動(dong)(dong)橋(qiao)殼(ke)。用(yong)(yong)這(zhe)樣(yang)的支承(cheng)(cheng)形(xing)式(shi)，半(ban)(ban)(ban)軸(zhou)(zhou)(zhou)(zhou)與橋(qiao)殼(ke)沒(mei)有直接聯系(xi)，使半(ban)(ban)(ban)軸(zhou)(zhou)(zhou)(zhou)只承(cheng)(cheng)受(shou)驅動(dong)(dong)扭矩(ju)而不(bu)承(cheng)(cheng)受(shou)任(ren)何彎矩(ju)，這(zhe)種半(ban)(ban)(ban)軸(zhou)(zhou)(zhou)(zhou)稱為(wei)“全浮式(shi)”半(ban)(ban)(ban)軸(zhou)(zhou)(zhou)(zhou)。所謂(wei)“浮”意即半(ban)(ban)(ban)軸(zhou)(zhou)(zhou)(zhou)不(bu)受(shou)彎曲載荷。清遠(yuan)輪(lun)(lun)挖(wa)驅動(dong)(dong)橋(qiao)生(sheng)產轉(zhuan)向主銷(xiao)(立人軸(zhou)(zhou)(zhou)(zhou))與襯套(tao)過緊(jin)或咬(yao)住(zhu)，轉(zhuan)向節主銷(xiao)壓(ya)力軸(zhou)(zhou)(zhou)(zhou)承(cheng)(cheng)嚴(yan)重磨損或軋住(zhu)。

前(qian)輪(lun)(lun)胎(tai)不(bu)(bu)(bu)(bu)(bu)正常(chang)磨損(sun)(sun)前(qian)橋轉向節彎曲或(huo)變形更(geng)換(huan)(huan) 前(qian)輪(lun)(lun)定(ding)位角不(bu)(bu)(bu)(bu)(bu)對修復或(huo)調(diao)(diao)(diao)整(zheng)(zheng) 前(qian)束調(diao)(diao)(diao)整(zheng)(zheng)不(bu)(bu)(bu)(bu)(bu)當重新調(diao)(diao)(diao)整(zheng)(zheng) 前(qian)鋼板(ban)彈簧銷(xiao)(xiao)和(he)銷(xiao)(xiao)套磨損(sun)(sun)松(song)曠更(geng)換(huan)(huan) 板(ban)簧U形螺(luo)栓松(song)動擰緊(jin)車輪(lun)(lun)搖擺(bai)和(he)擺(bai)振(zhen)前(qian)輪(lun)(lun)轂軸(zhou)承調(diao)(diao)(diao)整(zheng)(zheng)不(bu)(bu)(bu)(bu)(bu)當調(diao)(diao)(diao)整(zheng)(zheng) 前(qian)橋變形校正或(huo)更(geng)換(huan)(huan) 車輪(lun)(lun)輪(lun)(lun)輞擺(bai)差過(guo)大(da)更(geng)換(huan)(huan) 橫拉桿球頭間(jian)(jian)隙(xi)過(guo)大(da)、過(guo)松(song)調(diao)(diao)(diao)整(zheng)(zheng)或(huo)更(geng)換(huan)(huan)零件 轉向節上臂和(he)左(zuo)右轉向節臂松(song)動按(an)力矩擰緊(jin)螺(luo)母 轉向節主(zhu)(zhu)銷(xiao)(xiao)與主(zhu)(zhu)銷(xiao)(xiao)軸(zhou)承間(jian)(jian)隙(xi)過(guo)大(da)更(geng)換(huan)(huan)主(zhu)(zhu)銷(xiao)(xiao)或(huo)軸(zhou)承 車輪(lun)(lun)因磨損(sun)(sun)或(huo)不(bu)(bu)(bu)(bu)(bu)平衡(heng)而(er)產(chan)生(sheng)振(zhen)動致使(shi)轉向盤來(lai)回(hui)竄動平衡(heng)車輪(lun)(lun)或(huo)前(qian)后輪(lun)(lun)調(diao)(diao)(diao)換(huan)(huan)位置 前(qian)輪(lun)(lun)胎(tai)氣壓過(guo)低或(huo)兩邊壓力不(bu)(bu)(bu)(bu)(bu)一致充氣主(zhu)(zhu)、從(cong)動錐齒輪(lun)(lun)非(fei)正常(chang)磨損(sun)(sun)后橋主(zhu)(zhu)減速器潤(run)滑(hua)油(you)(you)油(you)(you)量不(bu)(bu)(bu)(bu)(bu)足按(an)標準添加潤(run)滑(hua)油(you)(you) 齒面嚙合及間(jian)(jian)隙(xi)調(diao)(diao)(diao)整(zheng)(zheng)不(bu)(bu)(bu)(bu)(bu)當重新調(diao)(diao)(diao)整(zheng)(zheng) 潤(run)滑(hua)油(you)(you)型號(hao)不(bu)(bu)(bu)(bu)(bu)對或(huo)橋內(nei)進水更(geng)換(huan)(huan)潤(run)滑(hua)油(you)(you) 長期超載使(shi)用按(an)規定(ding)裝載

單向(xiang)離(li)合(he)器(qi)(qi)損(sun)壞失(shi)效后(hou)，液(ye)力(li)變(bian)矩(ju)器(qi)(qi)就(jiu)沒有(you)了轉(zhuan)矩(ju)放大(da)的(de)(de)功用，將(jiang)出現(xian)(xian)如下故(gu)障現(xian)(xian)象(xiang)：車輛(liang)加速(su)起步無(wu)力(li)，不踩加速(su)踏板車輛(liang)不走，但車輛(liang)行駛起來之后(hou)換擋(dang)正(zheng)常，發(fa)(fa)動(dong)機功率正(zheng)常，如果作失(shi)速(su)試驗會發(fa)(fa)現(xian)(xian)失(shi)速(su)轉(zhuan)速(su)比正(zheng)常值低400～800rpm。鎖(suo)(suo)(suo)(suo)止(zhi)離(li)合(he)器(qi)(qi)的(de)(de)常見故(gu)障有(you)不鎖(suo)(suo)(suo)(suo)止(zhi)和常鎖(suo)(suo)(suo)(suo)止(zhi)。不鎖(suo)(suo)(suo)(suo)止(zhi)的(de)(de)現(xian)(xian)象(xiang)是車輛(liang)的(de)(de)油(you)耗高、發(fa)(fa)動(dong)機高速(su)運轉(zhuan)而車速(su)不夠(gou)快。具體檢(jian)查時要相應(ying)檢(jian)查電路(lu)部(bu)分、閥體部(bu)分以(yi)及鎖(suo)(suo)(suo)(suo)止(zhi)離(li)合(he)器(qi)(qi)本身常鎖(suo)(suo)(suo)(suo)止(zhi)的(de)(de)現(xian)(xian)象(xiang)是發(fa)(fa)動(dong)機怠速(su)正(zheng)常，但選檔桿置于動(dong)力(li)檔（R、D、2、L）后(hou)發(fa)(fa)動(dong)機熄火，鎖(suo)(suo)(suo)(suo)止(zhi)離(li)合(he)器(qi)(qi)的(de)(de)檢(jian)查需要將(jiang)液(ye)力(li)變(bian)矩(ju)器(qi)(qi)切開后(hou)才能進行，但這(zhe)只(zhi)能由專(zhuan)業的(de)(de)自動(dong)變(bian)速(su)器(qi)(qi)維修站來完成驅動(dong)橋采用單獨(du)懸架，即主(zhu)減速(su)器(qi)(qi)殼固定在(zai)車架上；

半(ban)軸(zhou)(zhou)內端不承受受任何反力和(he)(he)(he)彎(wan)(wan)矩，半(ban)軸(zhou)(zhou)外(wai)端承受各向反力和(he)(he)(he)彎(wan)(wan)矩。結構緊湊、簡單(dan)，但(dan)拆裝(zhuang)不方便(bian)(bian)。支承并保護主(zhu)(zhu)減(jian)速器(qi)(qi)、差速器(qi)(qi)和(he)(he)(he)半(ban)軸(zhou)(zhou)等，使(shi)左右驅動車(che)輪(lun)(lun)的(de)軸(zhou)(zhou)向相對位置(zhi)固定(ding);支撐車(che)架(jia)及其(qi)上(shang)(shang)(shang)(shang)的(de)各總(zong)成質量。分(fen)類整體式(shi)橋殼:強度剛度大(da)，便(bian)(bian)于裝(zhuang)配、調整和(he)(he)(he)維修(xiu)。分(fen)段式(shi)橋殼:便(bian)(bian)于制造，維修(xiu)方便(bian)(bian)。74式(shi)III挖(wa)掘機(ji)后橋殼:橋殼的(de)兩(liang)(liang)邊各用(yong)(yong)螺(luo)(luo)栓與(yu)車(che)架(jia)支承座(zuo)固定(ding)，橋殼上(shang)(shang)(shang)(shang)的(de)凸緣盤用(yong)(yong)于固定(ding)制動器(qi)(qi)底(di)板;兩(liang)(liang)端花鍵用(yong)(yong)來安裝(zhuang)輪(lun)(lun)邊減(jian)速器(qi)(qi)齒圈支架(jia)。主(zhu)(zhu)傳動裝(zhuang)置(zhi)和(he)(he)(he)差速器(qi)(qi)裝(zhuang)在橋殼內，并用(yong)(yong)螺(luo)(luo)釘將主(zhu)(zhu)傳動殼體固定(ding)在橋殼上(shang)(shang)(shang)(shang)。橋殼上(shang)(shang)(shang)(shang)設有(you)加檢(jian)油孔，平時(shi)用(yong)(yong)螺(luo)(luo)塞封閉。上(shang)(shang)(shang)(shang)面有(you)通氣孔，底(di)部裝(zhuang)有(you)放油螺(luo)(luo)塞。轉(zhuan)動方向盤感覺輕(qing)重，如果仍(reng)然沉重，可松開(kai)轉(zhuan)向套(tao)管與(yu)駕駛室的(de)座(zuo)夾再試;好的(de)輪(lun)(lun)挖(wa)驅動橋維修(xiu)

電動(dong)橋(qiao)傳動(dong)：該傳動(dong)系統多采用在驅(qu)(qu)動(dong)橋(qiao)內同時(shi)安置兩部驅(qu)(qu)動(dong)電機的布置方(fang)式。上饒輪挖(wa)驅(qu)(qu)動(dong)橋(qiao)貨源充足

（2）轉(zhuan)(zhuan)向(xiang)節(jie)位(wei)置(zhi)容(rong)易進入泥(ni)土及(ji)石子后(hou)會(hui)對轉(zhuan)(zhuan)向(xiang)節(jie)殼里面(mian)的半軸(zhou)連(lian)(lian)接(jie)處造成損(sun)壞(huai)(huai)，半軸(zhou)里面(mian)的連(lian)(lian)接(jie)位(wei)置(zhi)是(shi)由(you)軸(zhou)承連(lian)(lian)接(jie)，有(you)(you)轉(zhuan)(zhuan)向(xiang)的位(wei)置(zhi)的承擔力(li)量都會(hui)比無轉(zhuan)(zhuan)向(xiang)的位(wei)置(zhi)薄弱，還(huan)請各有(you)(you)關師傅們在工(gong)(gong)(gong)作的過程中在行(xing)走(zou)(zou)(zou)時(shi)方(fang)向(xiang)盤必須回正(zheng)(zheng)后(hou)再行(xing)走(zou)(zou)(zou)，但(dan)在行(xing)走(zou)(zou)(zou)的同時(shi)遇到(dao)路況比較惡劣的情況下(xia)請不(bu)要猛沖擊(ji)而行(xing)走(zou)(zou)(zou)，要利(li)用(yong)拖車助力(li)拉起或(huo)采用(yong)某種工(gong)(gong)(gong)具整平(ping)路面(mian) 來(lai)避免車子在行(xing)走(zou)(zou)(zou)時(shi)猛沖擊(ji)而帶(dai)來(lai)的一(yi)些比必要的零部件(jian)的損(sun)壞(huai)(huai)。（3）在工(gong)(gong)(gong)作完的時(shi)候一(yi)定要把方(fang)向(xiang)回正(zheng)(zheng)及(ji)剎車氣室充足(zu)后(hou)方(fang)能(neng)行(xing)走(zou)(zou)(zou)，工(gong)(gong)(gong)作停工(gong)(gong)(gong)時(shi)要注意把各部位(wei)有(you)(you)黃油(you)嘴的補充黃油(you)并檢(jian)查有(you)(you)關整車螺栓(shuan)及(ji)螺母(mu)是(shi)否有(you)(you)松動(dong)（特別底盤車橋螺栓(shuan)傳動(dong)軸(zhou)上(shang)的螺栓(shuan)更加注重檢(jian)查一(yi)下(xia)否有(you)(you)松動(dong)現象(xiang)）。上(shang)饒輪挖驅動(dong)橋貨源(yuan)充足(zu)

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