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四(si)輪(lun)驅(qu)(qu)(qu)動(dong)(dong)(dong)（4 Wheel Drive)主變速器通過一(yi)個輔助(zhu)(zhu)變速器將(jiang)(jiang)動(dong)(dong)(dong)力傳送到(dao)前(qian)輪(lun)和后輪(lun). 輔助(zhu)(zhu)變速器通常有三檔(dang)選擇； 空(kong)檔(dang)，四(si)輪(lun)驅(qu)(qu)(qu)動(dong)(dong)(dong)，四(si)輪(lun)驅(qu)(qu)(qu)動(dong)(dong)(dong)低(di)檔(dang)。空(kong)檔(dang)時，四(si)輪(lun)驅(qu)(qu)(qu)動(dong)(dong)(dong)就(jiu)變成了兩輪(lun)驅(qu)(qu)(qu)動(dong)(dong)(dong)。四(si)輪(lun)驅(qu)(qu)(qu) 動(dong)(dong)(dong)適合(he)(he)于惡(e)劣的(de)(de)(de)路面(mian)駕(jia)駛，例如，雨雪天和多沙(sha)石(shi)路面(mian)。四(si)輪(lun)驅(qu)(qu)(qu)動(dong)(dong)(dong)低(di)檔(dang)則適合(he)(he)高難度(du)的(de)(de)(de)越野駕(jia)駛。全輪(lun)驅(qu)(qu)(qu)動(dong)(dong)(dong) (All Wheel Drive)全輪(lun)驅(qu)(qu)(qu)動(dong)(dong)(dong)是四(si)輪(lun)驅(qu)(qu)(qu)動(dong)(dong)(dong)的(de)(de)(de)一(yi)種(zhong). 它(ta)自動(dong)(dong)(dong)將(jiang)(jiang)發動(dong)(dong)(dong) 機提供(gong)的(de)(de)(de) 扭矩分送到(dao)前(qian)輪(lun)和后輪(lun)，不需要手(shou)動(dong)(dong)(dong)去調整，也沒有低(di)檔(dang)選擇。全輪(lun)驅(qu)(qu)(qu)動(dong)(dong)(dong) 減(jian)低(di)了車輪(lun)打滑的(de)(de)(de)程度(du)，改善了駕(jia)駛者(zhe)的(de)(de)(de)控(kong)車能力。全輪(lun)驅(qu)(qu)(qu)動(dong)(dong)(dong)通常是一(yi)種(zhong) 正常路面(mian)駕(jia)駛系統，并不設(she)計用于越野駕(jia)駛。

轎車(che)AWD系(xi)統(tong)實(shi)際上是驅動(dong)力(li)分配(pei)控制方式的四輪(lun)(lun)驅動(dong)，它利用(yong)電(dian)腦和(he)各(ge)種不斷(duan)(duan)(duan)改進的傳(chuan)感器(qi)，不斷(duan)(duan)(duan)判斷(duan)(duan)(duan)輪(lun)(lun)胎(tai)對地(di) 面的動(dong)態(tai)附著力(li)和(he)司機的駕駛(shi)意圖(tu)，積極控制汽(qi)車(che)差速器(qi)的差動(dong)狀態(tai)，平衡(heng)各(ge)輪(lun)(lun)的驅動(dong)力(li)，優化(hua)汽(qi)車(che)的各(ge)項性能。典(dian)型的轎車(che)AWD系(xi)統(tong)主(zhu)要由前(qian)后(hou)(hou)輪(lun)(lun)驅動(dong)裝置、傳(chuan)感器(qi)、電(dian)控單元、分動(dong)器(qi)和(he)液(ye)壓裝置等組(zu)成。控制系(xi)統(tong)的控制原(yuan)理，在前(qian)后(hou)(hou)輪(lun)(lun)之問布(bu)置一(yi)個濕式多片離合器(qi)，在汽(qi)車(che)行(xing)駛(shi)過(guo)程中，使用(yong)電(dian)腦控制液(ye)壓系(xi)統(tong)的油壓，適(shi)應(ying)汽(qi)車(che)的行(xing) 駛(shi)狀態(tai)將驅動(dong)扭矩(ju)分配(pei)到前(qian)后(hou)(hou)車(che)輪(lun)(lun)上去。

公司經營模式 專業的推土機供應商 ：推土機四輪一帶 ，履(lv)帶(dai)(dai)(dai)總(zong)成(cheng)(cheng)(cheng)(cheng) ，鏈(lian)(lian)(lian)軌總(zong)成(cheng)(cheng)(cheng)(cheng) ，工(gong)(gong)程(cheng)機(ji)(ji)械(xie)配(pei)件(jian)(jian)(jian)(jian) ，挖掘(jue)機(ji)(ji)鏈(lian)(lian)(lian)條(tiao)(tiao)， 推土(tu)機(ji)(ji)鏈(lian)(lian)(lian)條(tiao)(tiao)， 刀角刀片 ，支重輪(lun)(lun)(lun)(lun)(lun)(lun)，托鏈(lian)(lian)(lian)輪(lun)(lun)(lun)(lun)(lun)(lun)，引導輪(lun)(lun)(lun)(lun)(lun)(lun)，鏈(lian)(lian)(lian)軌節，履(lv)帶(dai)(dai)(dai)板（濕地.干地），驅(qu)動(dong)(dong)齒(chi)(chi)(chi)圈(quan)，刀角刀片，齒(chi)(chi)(chi)塊，齒(chi)(chi)(chi)尖，裝置(zhi)，液(ye)力變(bian)矩器(qi)，松土(tu)器(qi)（單齒(chi)(chi)(chi)松土(tu)器(qi)，多齒(chi)(chi)(chi)松土(tu)器(qi)）。駕駛座合件(jian)(jian)(jian)(jian)，儀表(biao)盤，聯軸節，萬向節總(zong)成(cheng)(cheng)(cheng)(cheng)，散熱器(qi)，各種軸，惰輪(lun)(lun)(lun)(lun)(lun)(lun)軸，小齒(chi)(chi)(chi)輪(lun)(lun)(lun)(lun)(lun)(lun)，大齒(chi)(chi)(chi)輪(lun)(lun)(lun)(lun)(lun)(lun)，耳軸，液(ye)壓(ya)油路管成(cheng)(cheng)(cheng)(cheng)，提成(cheng)(cheng)(cheng)(cheng)缸(gang)(gang)活塞(sai)桿(gan)，升(sheng)降缸(gang)(gang)活塞(sai)桿(gan)，傾斜活塞(sai)桿(gan)，齒(chi)(chi)(chi)輪(lun)(lun)(lun)(lun)(lun)(lun)轂(gu)，鏈(lian)(lian)(lian)輪(lun)(lun)(lun)(lun)(lun)(lun)轂(gu)，變(bian)矩器(qi)濾(lv)芯(xin)，行(xing)星架，摩擦片，凸(tu)緣，提升(sheng)缸(gang)(gang)修(xiu)(xiu)理(li)(li)(li)包(bao)，漲(zhang)緊缸(gang)(gang)修(xiu)(xiu)理(li)(li)(li)包(bao)，松土(tu)缸(gang)(gang)修(xiu)(xiu)理(li)(li)(li)包(bao)，變(bian)速缸(gang)(gang)修(xiu)(xiu)理(li)(li)(li)包(bao)，變(bian)矩器(qi)修(xiu)(xiu)理(li)(li)(li)包(bao)，全車套(tao)O型(xing)圈(quan)，軟管硬管，燈開關(guan)，風(feng)扇皮帶(dai)(dai)(dai)，雨(yu)刷器(qi)，防雨(yu)帽，門鎖，，司機(ji)(ji)座合件(jian)(jian)(jian)(jian) 山(shan)推系列推土(tu)機(ji)(ji)配(pei)套(tao)產(chan)品如下： 一(yi)、易(yi)損(sun)件(jian)(jian)(jian)(jian)：濾(lv)芯(xin)、皮帶(dai)(dai)(dai)、風(feng)扇、各種玻璃(li)、專(zhuan)用機(ji)(ji)油、齒(chi)(chi)(chi)輪(lun)(lun)(lun)(lun)(lun)(lun)油、油漆、液(ye)壓(ya)油。 二(er)、液(ye)壓(ya)件(jian)(jian)(jian)(jian)：主泵、主控閥、回轉馬達、回轉減速器(qi)、行(xing)走(zou)馬達、行(xing)走(zou)減速器(qi)、總(zong)成(cheng)(cheng)(cheng)(cheng)及配(pei)件(jian)(jian)(jian)(jian)。 三、發動(dong)(dong)機(ji)(ji)件(jian)(jian)(jian)(jian)：四配(pei)套(tao)、進(jin)排氣門、缸(gang)(gang)體、缸(gang)(gang)蓋、修(xiu)(xiu)理(li)(li)(li)包(bao)、增(zeng)壓(ya)器(qi)、噴油嘴、柱塞(sai)、出(chu)油閥。 四、電(dian)(dian)器(qi)件(jian)(jian)(jian)(jian)：電(dian)(dian)腦(nao)板、工(gong)(gong)作燈、儀表(biao)盤、鑰匙開關(guan)、起動(dong)(dong)機(ji)(ji)、發電(dian)(dian)機(ji)(ji)、壓(ya)縮機(ji)(ji)、線(xian)圈(quan)、繼電(dian)(dian)器(qi)。 五、結構件(jian)(jian)(jian)(jian)：鏟斗、軸、銷、套(tao)、斗齒(chi)(chi)(chi)、鏟刃板、大小臂。 六(liu)、底盤件(jian)(jian)(jian)(jian)：支重輪(lun)(lun)(lun)(lun)(lun)(lun)、引導輪(lun)(lun)(lun)(lun)(lun)(lun)、驅(qu)動(dong)(dong)輪(lun)(lun)(lun)(lun)(lun)(lun)、托鏈(lian)(lian)(lian)輪(lun)(lun)(lun)(lun)(lun)(lun)、鏈(lian)(lian)(lian)條(tiao)(tiao)、履(lv)帶(dai)(dai)(dai)板、鏈(lian)(lian)(lian)軌節、銷、套(tao)、漲(zhang)緊油缸(gang)(gang)（總(zong)成(cheng)(cheng)(cheng)(cheng)及零部件(jian)(jian)(jian)(jian)）。 是 集“整(zheng)機(ji)(ji)銷售，配(pei)件(jian)(jian)(jian)(jian)供應(ying)，維修(xiu)(xiu)服務，機(ji)(ji)械(xie)生(sheng)產(chan)加工(gong)(gong)，服務反(fan)饋”為(wei)一(yi)體的專(zhuan)業公司。