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地點: 無錫市
開展時間: 2025-03-29
舉辦單位: 中國機電產品流通協會、無錫市機床工具行業協會、無錫市工業和信息化局
無級變速拖拉機賽道之上,中外差距依然較大
2022-09-27
14:46:10
來源:農機網整理發布 閱讀量:49487
評論
【
農機網 編輯視角】百余年來,隨著工業制造能力和科學技術的不斷發展,
拖拉機技術已經發生了翻天覆地的變化。變速箱作為拖拉機的主要部件之一,其技術已經從最初的滑動齒輪換擋、嚙合套換擋、同步器換擋到如今廣泛應用的動力換擋和無級變速。
對于像約翰迪爾、凱斯、愛科這些世界級農機巨頭來說,動力換擋該技術已經在其拖拉機上運用得相當成熟和廣泛。在我國,動力換擋、無級變速技術,還屬于比較高端的技術,僅有幾家大企業掌握并能夠產業化應用,大部分拖拉機還是采用機械換擋。近年來,我國農機企業也不甘示弱,力爭迎頭趕上。
魯中拖拉機——近日,濰坊魯中拖拉機有限公司憑借功率合流無級變速拖拉機的研發,成功入選2022年山東省首臺套技術裝備。據了解,該無級變速拖拉機采用了液壓機械功率合流傳動技術,具有較高的傳動效率,更易于實現無人駕駛和智能操作。但首臺套的新裝備想要贏得市場的青睞,還要闖過用戶不信任、生產成本高、國際同行擠壓等多個難關。
中聯重科——2022年8月8日,中聯重科宣布其PV1104動力換向水田拖拉機在湖南常德正式下線,P系列動力換擋拖拉機家族再添新成員。據中聯重科介紹,此次下線的PV1104采用的是其自主研發的動力換向變速箱,換向操作簡單高效。
玉柴集團——在近期玉柴展出的一批新的核心產品和技術創新成果中,玉柴芯藍非道路用拖拉機IE-Power動力總成是眾人關注的焦點之一。它是中國首款拖拉機電驅無級變速動力總成,是由玉柴完全自主研發的拖拉機用串聯式混合動力總成技術解決方案,一款拖拉機電驅無級變速動力總成,由
發動機、
發電機、驅動電機、電動換檔變速箱組成,適配200~260馬力拖拉機。玉柴拖拉機IE-Power打破了國外CVT技術壟斷,填補了國內技術空白。它以最簡單高效的方式實現拖拉機無級變速功能。它采用高度技術集成設計,關鍵部件模塊化,實現了拖拉機底盤升級。
【詳情】 中國一拖——東方紅 LW2304輪式拖拉機是2021年青島國際農機展首次亮相的東方紅新品大馬力拖拉機,它是中國一拖為國內大型農場及替代進口需要而開發的具有完全自主知識產權的新一代無級變速重型輪式拖拉機。該產品為旱地農業一般用途,特別適用于大型農場的耕、耙、復式作業等重負荷作業,可實現與其它農機的聯合精準作業。
【詳情】 濰柴雷沃——濰柴雷沃是濰柴集團和雷沃重工戰略重組的“產品”。兩家企業強強聯合,充分發揮資源整合和產業協同優勢,依托濰柴CVT動力總成技術和配套,成功開發出大馬力CVT無級變速拖拉機,縮小了與國外的技術差距,推動了行業的轉型升級。2021年青島農機展上,濰柴雷沃發布了我國首款商業化CVT智能拖拉機——雷沃P7000大馬力智能拖拉機,是國內首款由自主研發、具有自主知識產權的智能CVT重型智能拖拉機。
另悉,柳工集團無級變速拖拉機仍處于研發階段。公司萬臺拖拉機整機生產線在2021年底已實現試運行。
國際上的拖拉機,智能化、信息化技術水平不斷提高,各種高新技術,如電子控制系統、自動導航技術、無人駕駛技術、新型駕駛室技術、ABS及線控技術、虛擬現實技術和液壓技術等越來越多地應用到拖拉機上。尤其是電子和信息技術的應用,不僅使拖拉機的經濟性得到提升,同時也改善了拖拉機的駕駛操縱舒適性和監控性能。國內的拖拉機,個別企業也采用了自動導航技術、無人駕駛技術、液壓控制技術等,但拖拉機行業總體水平還有待提高。
注:本文由農機網(www.goodqmj.com)整理發布,資料來源:中國農業機械工業協會、中國一拖、濰柴雷沃、中聯重科、玉柴。
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