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開展時間: 2025-02-11
舉辦單位: 美國加州圖拉爾國際展覽中心
地點: 巴彥淖爾市
開展時間: 2025-02-22
舉辦單位: 內(nèi)蒙古春季農(nóng)機(jī)展組委會
地點: 廣州市
開展時間: 2025-02-25
舉辦單位: 廣州光亞法蘭克福展覽有限公司
CVT熱潮下:國產(chǎn)農(nóng)機(jī)無級變速升級“雛形初現(xiàn)”
2021-11-23
14:15:50
來源:農(nóng)機(jī)網(wǎng)整理發(fā)布 閱讀量:43301
評論
導(dǎo)讀: 在國外,CVT(中文名全稱“離心齒無級變速箱”,英文全稱Centrifugal Gera Continuous Variable Trasmission)早已經(jīng)成為一項成熟的技術(shù)。在2021國際農(nóng)機(jī)展期間,現(xiàn)場農(nóng)機(jī)網(wǎng)剛好采訪到了凱斯紐荷蘭中國市場部經(jīng)理。
【農(nóng)機(jī)網(wǎng) 編輯視角 】在國外,CVT(中文名全稱“離心齒無級變速箱”,英文全稱Centrifugal Gera Continuous Variable Trasmission)早已經(jīng)成為一項成熟的技術(shù)。在2021國際農(nóng)機(jī)展期間,現(xiàn)場農(nóng)機(jī)網(wǎng)剛好采訪到了凱斯紐荷蘭中國市場部經(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)無極變速技術(shù),應(yīng)用于多種場景。這一系列的拖拉機(jī)專門針對中大型客戶設(shè)計,如翻地、深松等。無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,還有愛科麥賽福格森MF 3404大馬力拖拉機(jī),是愛科集團(tuán)在全球市場同步推出的無級變速標(biāo)桿產(chǎn)品。業(yè)內(nèi)獨有的CVT無級變速技術(shù),采用了先進(jìn)的Dyna-VT無級變速傳動系。
凱斯、愛科這些美國大型農(nóng)機(jī)品牌,已經(jīng)成為中國引進(jìn)高端農(nóng)機(jī)產(chǎn)品的標(biāo)志性設(shè)備。而在我國,諸多大型農(nóng)機(jī)品牌企業(yè)通過自主研發(fā),也相繼推出CVT智能農(nóng)機(jī),推動國產(chǎn)農(nóng)機(jī)邁入無級變速時代。
中國一拖:新一代無級變速重型輪式拖拉機(jī)
2021國際農(nóng)機(jī)展會期間首次亮相的東方紅LW2304輪式拖拉機(jī)是中國一拖為國內(nèi)大型農(nóng)場及替代進(jìn)口需要而開發(fā)的具有完全自主知識產(chǎn)權(quán)的新一代無級變速重型輪式拖拉機(jī),配備具有滿足非道路國三標(biāo)準(zhǔn)的全電控增壓中冷
柴油機(jī) ,通過電子控制使
發(fā)動機(jī) 始終處于工作狀態(tài);采用完全自主知識產(chǎn)權(quán)的新一代拖拉機(jī)無級變速傳動系,速比連續(xù),動力傳遞平穩(wěn),操作舒適性好,無需換檔可實現(xiàn)連續(xù)變速控制,車速可實現(xiàn)50km/h;具有手動、自動以及PTO等三種控制模式,操縱簡單,有效降低勞動強(qiáng)度。
濰柴雷沃重工:P7000 240馬力CVT智能拖拉機(jī)
作為中國首款商業(yè)化CVT智能拖拉機(jī),采用的濰柴自主研發(fā)的CVT無級變速動力傳動總成,匯集多區(qū)段雙行星匯流高效傳動系技術(shù)、一體式泵馬達(dá)液壓變速單元高效傳動技術(shù)、CVT動力總成控制技術(shù)等多項核心技術(shù),實現(xiàn)全作業(yè)區(qū)段的無級調(diào)速;針對特定工況的定制化動力傳動控制策略,可選田間模式、運輸模式,同時可實現(xiàn)定速巡航,實現(xiàn)最佳動力性和最佳燃油經(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),實時反饋,高效響應(yīng),滿足各種復(fù)合作業(yè)需求;搭載無人駕駛系統(tǒng),滿足高精度智能作業(yè)需求。
玉柴機(jī)器:中國首款國產(chǎn)新能源CVT拖拉機(jī)動力總成
IE-POWER電驅(qū)無級變速動力總成,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)傳動系,IE-POWER電驅(qū)無級變速動力總成作業(yè)效率提高10%-30%,節(jié)油率提高10%-30%。采用該系統(tǒng)易實現(xiàn)拖拉機(jī)輔助駕駛、無人駕駛,同時可輕松實現(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的大型無級變速拖拉機(jī)。
中聯(lián)農(nóng)機(jī):無級變速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)動機(jī),整機(jī)額定功率可達(dá)176.5kW,動力儲備高達(dá)33%;配備CVT無級變速變速箱,整機(jī)全電液控制,實現(xiàn)自動換擋及動力換向;擁有自主知識產(chǎn)權(quán)的多功能扶手,可實現(xiàn)多系統(tǒng)集成控制,操作控制便捷;整車油耗降低,具備公路運輸與田間作業(yè)兩種運行速度模式;整車配置衛(wèi)星導(dǎo)航及無人駕駛設(shè)備,具有主動避障功能,可實現(xiàn)故障自診斷。
在我國,CVT技術(shù)因受制于技術(shù)研發(fā)跟不上和市場接受度較低等原因,一直難有較明顯的推進(jìn)。待這一技術(shù)在中國廣闊的土地上推廣應(yīng)用,還有很長的路要走。
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