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汽車(che)(che)(che)的(de)(de)(de)驅(qu)(qu)動(dong)(dong)(dong)(dong)(dong)形式(shi)(shi)(shi)一般有以下幾種：前(qian)置后驅(qu)(qu)(FR)、前(qian)置前(qian)驅(qu)(qu)(FF)、后置后驅(qu)(qu)(RR)、中置后驅(qu)(qu)(MR)、四輪(lun)(lun)(lun)驅(qu)(qu)動(dong)(dong)(dong)(dong)(dong)。所謂驅(qu)(qu)動(dong)(dong)(dong)(dong)(dong)形式(shi)(shi)(shi)，是指發(fa)動(dong)(dong)(dong)(dong)(dong)機的(de)(de)(de)布置方式(shi)(shi)(shi)及驅(qu)(qu)動(dong)(dong)(dong)(dong)(dong)輪(lun)(lun)(lun)的(de)(de)(de)數量(liang)、位置的(de)(de)(de)形式(shi)(shi)(shi)。國(guo)內外大(da)多數貨車(che)(che)(che)(含皮(pi)卡)、部(bu)分轎(jiao)(jiao)車(che)(che)(che)(尤其是轎(jiao)(jiao)車(che)(che)(che))和部(bu)分客車(che)(che)(che)都采(cai)用前(qian)置后驅(qu)(qu)的(de)(de)(de)驅(qu)(qu)動(dong)(dong)(dong)(dong)(dong)型(xing)式(shi)(shi)(shi)，但(dan)采(cai)用該(gai)型(xing)式(shi)(shi)(shi)的(de)(de)(de)小型(xing)車(che)(che)(che)很少。所謂全輪(lun)(lun)(lun)驅(qu)(qu)動(dong)(dong)(dong)(dong)(dong)，又稱四輪(lun)(lun)(lun)驅(qu)(qu)動(dong)(dong)(dong)(dong)(dong)，是指汽車(che)(che)(che)前(qian)后輪(lun)(lun)(lun)都有動(dong)(dong)(dong)(dong)(dong)力。一般用4X4或4WD來表示(shi)，如果你看見一輛(liang)(liang)車(che)(che)(che)上標有上述字(zi)樣，那就表示(shi)該(gai)車(che)(che)(che)輛(liang)(liang)擁有4輪(lun)(lun)(lun)驅(qu)(qu)動(dong)(dong)(dong)(dong)(dong)的(de)(de)(de)功能。

概(gai)述目前(qian)(qian)(qian)，2轎車(che)的(de)(de)4輪(lun)(lun)(lun)(lun)驅(qu)(qu)動(dong)(dong)裝置(zhi)(zhi)已經引進了電(dian)子(zi)計算機(ji)控(kong)制(zhi)系(xi)統，當前(qian)(qian)(qian)輪(lun)(lun)(lun)(lun)或后(hou)輪(lun)(lun)(lun)(lun)驅(qu)(qu)動(dong)(dong)時(shi)(shi)(shi)，車(che)子(zi)隨(sui)時(shi)(shi)(shi)根據路面(mian)狀態(tai)的(de)(de)反饋信息(xi)分(fen)(fen)配前(qian)(qian)(qian)后(hou)輪(lun)(lun)(lun)(lun)子(zi)的(de)(de)動(dong)(dong)力，變為4輪(lun)(lun)(lun)(lun)驅(qu)(qu)動(dong)(dong)。4輪(lun)(lun)(lun)(lun)驅(qu)(qu)動(dong)(dong)又(you)可(ke)以(yi)細分(fen)(fen)成(cheng)4種驅(qu)(qu)動(dong)(dong)模式(shi)：全時(shi)(shi)(shi)驅(qu)(qu)動(dong)(dong)（Full－Time）、分(fen)(fen)時(shi)(shi)(shi)驅(qu)(qu)動(dong)(dong)（Part-Time）、適(shi)時(shi)(shi)(shi)驅(qu)(qu)動(dong)(dong)（Real－Time）和分(fen)(fen)時(shi)(shi)(shi)/適(shi)時(shi)(shi)(shi)混和驅(qu)(qu)動(dong)(dong)。全時(shi)(shi)(shi)驅(qu)(qu)動(dong)(dong)全時(shi)(shi)(shi)驅(qu)(qu)動(dong)(dong)（Full－Time） 全時(shi)(shi)(shi)驅(qu)(qu)動(dong)(dong)的(de)(de)特點就(jiu)是無論怎么樣(yang)，永遠都(dou)保持四(si)輪(lun)(lun)(lun)(lun)驅(qu)(qu)動(dong)(dong)模式(shi)，這種傳動(dong)(dong)系(xi)統都(dou)是不(bu)需要駕駛(shi)(shi)人選擇操(cao)(cao)作的(de)(de)。行駛(shi)(shi)的(de)(de)時(shi)(shi)(shi)將發動(dong)(dong)機(ji)輸出扭矩按50∶50 設(she)定在前(qian)(qian)(qian)后(hou)輪(lun)(lun)(lun)(lun)上(shang)，使前(qian)(qian)(qian)后(hou)排(pai)車(che)輪(lun)(lun)(lun)(lun)保持等(deng)量的(de)(de)扭矩，遇到特別路面(mian)的(de)(de)時(shi)(shi)(shi)候(hou)就(jiu)可(ke)以(yi)自(zi)動(dong)(dong)將不(bu)同的(de)(de)扭距(ju)分(fen)(fen)配到各個(ge)輪(lun)(lun)(lun)(lun)子(zi)上(shang)面(mian)。全時(shi)(shi)(shi)驅(qu)(qu)動(dong)(dong)系(xi)統具有(you)(you)良好(hao)的(de)(de)駕駛(shi)(shi)操(cao)(cao)控(kong)性(xing)和行駛(shi)(shi)循(xun)跡性(xing)，不(bu)過(guo)缺點也是很明顯的(de)(de)，那就(jiu)是比較廢油，經濟性(xing)不(bu)夠好(hao)，而且車(che)輛(liang)沒(mei)有(you)(you)任何裝置(zhi)(zhi)來控(kong)制(zhi)輪(lun)(lun)(lun)(lun)胎轉速(su)的(de)(de)差(cha)異，一旦一個(ge)輪(lun)(lun)(lun)(lun)胎離開(kai)地(di)面(mian)就(jiu)有(you)(you)可(ke)能讓你無法(fa)前(qian)(qian)(qian)進。

中特重工~四輪一帶供應商

      經常(chang)聽朋友們反映(ying)機械(xie)設(she)備支重輪(lun)(lun)漏油(you)、托鏈輪(lun)(lun)壞了、行(xing)走(zou)無力、履帶松緊度(du)(du)不一(yi)致(zhi)等故障，而這(zhe)些(xie)都是關(guan)乎(hu)履帶式機械(xie)設(she)備四輪(lun)(lun)一(yi)帶的問題。四輪(lun)(lun)一(yi)帶，直接關(guan)系(xi)到挖掘機的工(gong)作性能(neng)(neng)和行(xing)走(zou)性能(neng)(neng)，要(yao)想設(she)備行(xing)走(zou)、速度(du)(du)快，維護保養是關(guan)鍵。四輪(lun)(lun)一(yi)帶

      以(yi)下(xia)介紹一下(xia)四輪(lun)一帶(dai)。四輪(lun)指(zhi)：支重輪(lun)、托鏈輪(lun)、引導輪(lun)和(he)驅動(dong)輪(lun)，一帶(dai)指(zhi)履帶(dai)。四輪(lun)一帶(dai)

      湖北中特工程機械有限公司是私(si)營有限責任公司。行(xing)業(ye)屬于金(jin)屬制品(pin)業(ye)（0334）、設(she)備制造業(ye)（0336）。經營范(fan)圍(wei)：建(jian)筑工程機械及配(pei)件(jian)、冶金(jin)裝(zhuang)用(yong)設(she)備及配(pei)件(jian)、礦山采掘設(she)備及配(pei)件(jian)、液(ye)壓機械制造和銷(xiao)售；有色金(jin)屬、鋼材、機械設(she)備銷(xiao)售；貨物進出口（不含(han)國家限制和禁止(zhi)的貨物和技術）。四(si)輪(lun)一(yi)帶