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CVT熱潮下:國(guó)產(chǎn)農(nóng)機(jī)無(wú)級(jí)變速升級(jí)“雛形初現(xiàn)”

2021-11-23 14:15:50 來(lái)源:農(nóng)機(jī)網(wǎng)整理發(fā)布 閱讀量:43301 評(píng)論

導(dǎo)讀:在國(guó)外,CVT(中文名全稱“離心齒無(wú)級(jí)變速箱”,英文全稱Centrifugal Gera Continuous Variable Trasmission)早已經(jīng)成為一項(xiàng)成熟的技術(shù)。在2021國(guó)際農(nóng)機(jī)展期間,現(xiàn)場(chǎng)農(nóng)機(jī)網(wǎng)剛好采訪到了凱斯紐荷蘭中國(guó)市場(chǎng)部經(jīng)理。

  【農(nóng)機(jī)網(wǎng) 編輯視角】在國(guó)外,CVT(中文名全稱“離心齒無(wú)級(jí)變速箱”,英文全稱Centrifugal Gera Continuous Variable Trasmission)早已經(jīng)成為一項(xiàng)成熟的技術(shù)。在2021國(guó)際農(nóng)機(jī)展期間,現(xiàn)場(chǎng)農(nóng)機(jī)網(wǎng)剛好采訪到了凱斯紐荷蘭中國(guó)市場(chǎng)部經(jīng)理。
 
  據(jù)他介紹,凱斯OPTUM系列拖拉機(jī)的結(jié)構(gòu)尺寸和重量是目前在國(guó)內(nèi)同馬力段功能性很強(qiáng)的拖拉機(jī)。凱斯optum 300CVX drive采用(CVT)無(wú)極變速技術(shù),應(yīng)用于多種場(chǎng)景。這一系列的拖拉機(jī)專門針對(duì)中大型客戶設(shè)計(jì),如翻地、深松等。無(wú)極變速變速箱更是可以使燃油經(jīng)濟(jì)性發(fā)揮到極致。
 

 

  此外,還有愛(ài)科麥賽福格森MF 3404大馬力拖拉機(jī),是愛(ài)科集團(tuán)在全球市場(chǎng)同步推出的無(wú)級(jí)變速標(biāo)桿產(chǎn)品。業(yè)內(nèi)獨(dú)有的CVT無(wú)級(jí)變速技術(shù),采用了先進(jìn)的Dyna-VT無(wú)級(jí)變速傳動(dòng)系。
 

 

  凱斯、愛(ài)科這些美國(guó)大型農(nóng)機(jī)品牌,已經(jīng)成為中國(guó)引進(jìn)高端農(nóng)機(jī)產(chǎn)品的標(biāo)志性設(shè)備。而在我國(guó),諸多大型農(nóng)機(jī)品牌企業(yè)通過(guò)自主研發(fā),也相繼推出CVT智能農(nóng)機(jī),推動(dòng)國(guó)產(chǎn)農(nóng)機(jī)邁入無(wú)級(jí)變速時(shí)代。
 
  中國(guó)一拖:新一代無(wú)級(jí)變速重型輪式拖拉機(jī)
 
  2021國(guó)際農(nóng)機(jī)展會(huì)期間首次亮相的東方紅LW2304輪式拖拉機(jī)是中國(guó)一拖為國(guó)內(nèi)大型農(nóng)場(chǎng)及替代進(jìn)口需要而開(kāi)發(fā)的具有完全自主知識(shí)產(chǎn)權(quán)的新一代無(wú)級(jí)變速重型輪式拖拉機(jī),配備具有滿足非道路國(guó)三標(biāo)準(zhǔn)的全電控增壓中冷柴油機(jī),通過(guò)電子控制使發(fā)動(dòng)機(jī)始終處于工作狀態(tài);采用完全自主知識(shí)產(chǎn)權(quán)的新一代拖拉機(jī)無(wú)級(jí)變速傳動(dòng)系,速比連續(xù),動(dòng)力傳遞平穩(wěn),操作舒適性好,無(wú)需換檔可實(shí)現(xiàn)連續(xù)變速控制,車速可實(shí)現(xiàn)50km/h;具有手動(dòng)、自動(dòng)以及PTO等三種控制模式,操縱簡(jiǎn)單,有效降低勞動(dòng)強(qiáng)度。
 
  濰柴雷沃重工:P7000 240馬力CVT智能拖拉機(jī)
 
  作為中國(guó)首款商業(yè)化CVT智能拖拉機(jī),采用的濰柴自主研發(fā)的CVT無(wú)級(jí)變速動(dòng)力傳動(dòng)總成,匯集多區(qū)段雙行星匯流高效傳動(dòng)系技術(shù)、一體式泵馬達(dá)液壓變速單元高效傳動(dòng)技術(shù)、CVT動(dòng)力總成控制技術(shù)等多項(xiàng)核心技術(shù),實(shí)現(xiàn)全作業(yè)區(qū)段的無(wú)級(jí)調(diào)速;針對(duì)特定工況的定制化動(dòng)力傳動(dòng)控制策略,可選田間模式、運(yùn)輸模式,同時(shí)可實(shí)現(xiàn)定速巡航,實(shí)現(xiàn)最佳動(dòng)力性和最佳燃油經(jīng)濟(jì)性的完美結(jié)合,綜合作業(yè)效率提升30%,綜合燃油消耗降低10%;閉芯負(fù)載敏感液壓系統(tǒng),實(shí)時(shí)反饋,高效響應(yīng),滿足各種復(fù)合作業(yè)需求;搭載無(wú)人駕駛系統(tǒng),滿足高精度智能作業(yè)需求。
 
  玉柴機(jī)器:中國(guó)首款國(guó)產(chǎn)新能源CVT拖拉機(jī)動(dòng)力總成
 
  IE-POWER電驅(qū)無(wú)級(jí)變速動(dòng)力總成,是由玉柴完全自主研發(fā)的拖拉機(jī)用串聯(lián)式混合動(dòng)力總成技術(shù)解決方案,適配200-260馬力重型拖拉機(jī)。較傳統(tǒng)的拖拉機(jī)傳動(dòng)系,IE-POWER電驅(qū)無(wú)級(jí)變速動(dòng)力總成作業(yè)效率提高10%-30%,節(jié)油率提高10%-30%。采用該系統(tǒng)易實(shí)現(xiàn)拖拉機(jī)輔助駕駛、無(wú)人駕駛,同時(shí)可輕松實(shí)現(xiàn)地頭管理、半坡防溜車、電力輸出等功能。目前,山東五征、廣西柳工均已推出搭載玉柴IE-POWER的大型無(wú)級(jí)變速拖拉機(jī)。
 
  中聯(lián)農(nóng)機(jī):無(wú)級(jí)變速CL2404拖拉機(jī)
 
  該機(jī)智能化程度高,輕松操作;配備六缸高壓共軌柴油發(fā)動(dòng)機(jī),整機(jī)額定功率可達(dá)176.5kW,動(dòng)力儲(chǔ)備高達(dá)33%;配備CVT無(wú)級(jí)變速變速箱,整機(jī)全電液控制,實(shí)現(xiàn)自動(dòng)換擋及動(dòng)力換向;擁有自主知識(shí)產(chǎn)權(quán)的多功能扶手,可實(shí)現(xiàn)多系統(tǒng)集成控制,操作控制便捷;整車油耗降低,具備公路運(yùn)輸與田間作業(yè)兩種運(yùn)行速度模式;整車配置衛(wèi)星導(dǎo)航及無(wú)人駕駛設(shè)備,具有主動(dòng)避障功能,可實(shí)現(xiàn)故障自診斷。
 
  在我國(guó),CVT技術(shù)因受制于技術(shù)研發(fā)跟不上和市場(chǎng)接受度較低等原因,一直難有較明顯的推進(jìn)。待這一技術(shù)在中國(guó)廣闊的土地上推廣應(yīng)用,還有很長(zhǎng)的路要走。
 
  注:本文由農(nóng)機(jī)網(wǎng)(m.qktnz.cn)整理發(fā)布,資料來(lái)源:雷沃、玉柴、中國(guó)一拖、中聯(lián)農(nóng)機(jī)
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