額定載荷:3000-3500kg
舉升高度:3000mm
動力形式:柴油
傳(chuan)動(dong)(dong)系統將發(fa)(fa)動(dong)(dong)機(ji)發(fa)(fa)出的(de)動(dong)(dong)力(li)傳(chuan)給驅動(dong)(dong)車(che)輪和(he)工作機(ji)構(gou),使(shi)(shi)叉車(che)行(xing)駛(shi)和(he)作業。即通(tong)過減速增(zeng)矩、變(bian)速變(bian)轉(zhuan)、接合或分(fen)離動(dong)(dong)力(li)以及改變(bian)動(dong)(dong)力(li)的(de)傳(chuan)遞方向,使(shi)(shi)動(dong)(dong)力(li)裝置適應叉車(che)的(de)行(xing)駛(shi)和(he)作業需(xu)要。
徐工XCB-D/XCB-DT系列內(nei)燃平衡(heng)重(zhong)式叉(cha)車(che)是依(yi)托徐工自有核心技術及零部件,踐行“技術領(ling)先(xian)、用不毀(hui)”金標準,打造出(chu)的具有較強性價比的內(nei)燃平衡(heng)重(zhong)式叉(cha)車(che)產品。
主要系統介紹:
1. 動力系統
采用直噴燃燒(shao)(shao)系統(tong)(tong),優化(hua)燃燒(shao)(shao)室結構(gou),起動(dong)(dong)性(xing)好、油耗(hao)低、扭矩(ju)儲備大(da)、動(dong)(dong)力(li)強勁;燃油系統(tong)(tong)采用電控分配泵和高壓共(gong)軌,怠(dai)速穩(wen)定、噪聲低、排放(fang)(fang)達(da)到(dao)國III排放(fang)(fang)要求;整(zheng)機(ji)可靠性(xing)高,經久耐用。
2. 傳動系統
傳(chuan)動(dong)(dong)系(xi)統(tong)(tong)將發(fa)動(dong)(dong)機(ji)發(fa)出的動(dong)(dong)力(li)傳(chuan)給驅動(dong)(dong)車(che)輪和工作(zuo)機(ji)構(gou),使(shi)叉車(che)行(xing)駛(shi)(shi)和作(zuo)業(ye)。即通過減速增矩、變(bian)速變(bian)轉(zhuan)、接(jie)合(he)或分離(li)動(dong)(dong)力(li)以及(ji)改變(bian)動(dong)(dong)力(li)的傳(chuan)遞方向,使(shi)動(dong)(dong)力(li)裝置(zhi)適應叉車(che)的行(xing)駛(shi)(shi)和作(zuo)業(ye)需要。傳(chuan)動(dong)(dong)系(xi)統(tong)(tong)由離(li)合(he)器、變(bian)速器、驅動(dong)(dong)橋組成(cheng)。
(1) 液力傳動叉(cha)車是裝有變矩器和(he)動力換擋變速箱(xiang),具(ju)有下(xia)列(lie)優(you)點:
a) 微動閥可(ke)使叉車在發動機低(di)速或高速時都能進行微動操作(zuo);
b) 液力(li)離合器(qi)裝有多(duo)副經過(guo)特殊(shu)處理的紙制摩擦片和鋼板,改(gai)進了其耐磨性;
c) 裝(zhuang)在變矩器中的單向(xiang)超越離合器,改善了(le)動(dong)力傳動(dong)效率;
d) 變矩(ju)器油路中有較好的濾清器,提高(gao)了變矩(ju)器壽命(ming);
(2) 變速器:
變(bian)速器(qi)由變(bian)速傳動(dong)結(jie)構和變(bian)速操縱機構組成,變(bian)速傳動(dong)機構的主(zhu)要作(zuo)用(yong)是改(gai)變(bian)轉(zhuan)矩(ju)、轉(zhuan)速和旋轉(zhuan)方向;操縱機構的主(zhu)要作(zuo)用(yong)是控制傳動(dong)機構實現變(bian)速器(qi)傳動(dong)比(bi)的變(bian)換。
變速器的功能:
a) 擴大驅(qu)動(dong)輪轉矩(ju)和轉速的范圍,以適(shi)應經常變化的行駛條件,使發動(dong)機在較好工(gong)況下工(gong)作。
b) 在發動機旋轉(zhuan)方向(xiang)不變的前(qian)提下,使車輛反(fan)向(xiang)行駛。
c) 中斷動力傳(chuan)遞,以使發動機起動、怠速運轉和滑行等。
(3) 驅動橋
驅動(dong)(dong)(dong)橋的功用(yong)是(shi)將變(bian)(bian)速器(qi)輸出(chu)軸或萬向(xiang)傳(chuan)動(dong)(dong)(dong)裝置傳(chuan)來(lai)的動(dong)(dong)(dong)力傳(chuan)給驅動(dong)(dong)(dong)車輪,實(shi)現(xian)降速以增大(da)轉(zhuan)矩(ju),改變(bian)(bian)轉(zhuan)矩(ju)方向(xiang),實(shi)現(xian)差速,保(bao)證(zheng)車輪的純滾(gun)動(dong)(dong)(dong),以及承載負荷等。它由主減(jian)速器(qi)、差速器(qi)、半軸和(he)驅動(dong)(dong)(dong)橋殼組(zu)成。
3. 轉向系統
轉向(xiang)系統主要由方(fang)(fang)向(xiang)盤(pan)、轉向(xiang)支(zhi)架、方(fang)(fang)向(xiang)管柱、連(lian)接(jie)法(fa)蘭和轉向(xiang)器組成,方(fang)(fang)向(xiang)盤(pan)通過轉向(xiang)管柱、連(lian)接(jie)法(fa)蘭和轉向(xiang)器連(lian)接(jie),轉向(xiang)管柱可(ke)以(yi)前后(hou)傾斜調(diao)整到適(shi)當位置,使駕(jia)駛(shi)員有舒適(shi)的駕(jia)駛(shi)位置。
負荷傳感全液(ye)壓轉向系(xi)統回路裝有(you)優先(xian)閥,在任何工況下均能保證(zheng)優先(xian)向其分配(pei)流量(liang),保證(zheng)供油充足,轉向器置于中(zhong)位時只有(you)很少的流量(liang)通過(guo)轉向器,有(you)很好的節能效果(guo)。
轉向(xiang)(xiang)橋由(you)轉向(xiang)(xiang)橋體、轉向(xiang)(xiang)油(you)缸、連(lian)桿(gan)(gan)、轉向(xiang)(xiang)節(jie)、和轉向(xiang)(xiang)輪組成。壓力(li)油(you)通(tong)(tong)過油(you)缸活(huo)塞桿(gan)(gan)、連(lian)桿(gan)(gan)推動轉向(xiang)(xiang)節(jie)轉向(xiang)(xiang),使轉向(xiang)(xiang)輪偏轉,從而(er)實現轉向(xiang)(xiang)。而(er)轉向(xiang)(xiang)橋通(tong)(tong)過緩(huan)沖(chong)座連(lian)接。
4. 制動系統
制(zhi)(zhi)(zhi)(zhi)(zhi)動(dong)(dong)(dong)(dong)系(xi)統為前雙輪制(zhi)(zhi)(zhi)(zhi)(zhi)動(dong)(dong)(dong)(dong)式,由制(zhi)(zhi)(zhi)(zhi)(zhi)動(dong)(dong)(dong)(dong)總泵、制(zhi)(zhi)(zhi)(zhi)(zhi)動(dong)(dong)(dong)(dong)器和(he)制(zhi)(zhi)(zhi)(zhi)(zhi)動(dong)(dong)(dong)(dong)踏板組成。因制(zhi)(zhi)(zhi)(zhi)(zhi)動(dong)(dong)(dong)(dong)動(dong)(dong)(dong)(dong)力(li)源可(ke)分為動(dong)(dong)(dong)(dong)力(li)制(zhi)(zhi)(zhi)(zhi)(zhi)動(dong)(dong)(dong)(dong)和(he)普通(tong)制(zhi)(zhi)(zhi)(zhi)(zhi)動(dong)(dong)(dong)(dong)。動(dong)(dong)(dong)(dong)力(li)制(zhi)(zhi)(zhi)(zhi)(zhi)動(dong)(dong)(dong)(dong)的動(dong)(dong)(dong)(dong)力(li)來自于齒(chi)輪泵產生的高壓油,普通(tong)制(zhi)(zhi)(zhi)(zhi)(zhi)動(dong)(dong)(dong)(dong)的動(dong)(dong)(dong)(dong)力(li)來自于駕(jia)駛(shi)員的腳踏。
5. 液壓系統
液壓系(xi)統主要由動力機構、執(zhi)行機構、操縱(zong)機構、輔助裝(zhuang)置和(he)傳動介質五部分組成(cheng)。主要元件包括:齒輪泵、多(duo)路(lu)閥、多(duo)路(lu)閥操縱(zong)、起升油(you)缸傾斜油(you)缸和(he)油(you)箱組成(cheng)。
6. 車架系統
模塊化設(she)(she)計,所有結構零(ling)件(jian)(jian)由大型(xing)數(shu)控激光切割加(jia)工,成形零(ling)件(jian)(jian)采用數(shu)控折彎機(ji)(ji)及油(you)壓(ya)機(ji)(ji)壓(ya)模成型(xing);機(ji)(ji)加(jia)工零(ling)件(jian)(jian)采用大型(xing)數(shu)控加(jia)工中心,加(jia)工精度滿(man)足(zu)整機(ji)(ji)設(she)(she)計要求。
7. 護頂架系統
整體焊接式護頂架。與(yu)車架裝配連(lian)接采用減(jian)震墊連(lian)接,減(jian)小發(fa)動機怠速及整機運行引起的共振,提升操作工(gong)舒適度。
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