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多段金屬帶復(fù)合無級(jí)傳動(dòng)效率特性分析
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    摘要:

    建立了等比式多段金屬帶復(fù)合無級(jí)傳動(dòng)正反相位工作時(shí)的效率模型，通過仿真，得到了系統(tǒng)效率與金屬帶CVT傳動(dòng)比,、傳遞轉(zhuǎn)矩及輸入轉(zhuǎn)速的關(guān)系曲線。結(jié)果表明：等比式多段金屬帶復(fù)合無級(jí)傳動(dòng)無論處于正相位還是反相位工況,，系統(tǒng)傳遞的效率隨金屬帶傳動(dòng)比、傳遞轉(zhuǎn)矩以及輸入轉(zhuǎn)速的增加而增加,，且都要明顯高于金屬帶CVT傳動(dòng)的效率,；系統(tǒng)擴(kuò)大了金屬帶無級(jí)傳動(dòng)的速比范圍，提高了傳遞的功率,，因此該傳動(dòng)系統(tǒng)能夠應(yīng)用于大功率車輛傳動(dòng)中,。

    Abstract:

    A efficiency model of the multi-range composite CVT system working on the positive and negative phases was established. The relation curves between overall efficiency of the multi-range composite CVT system and transmission ratio of metal pushing V-belt CVT, transmission torque and input rotate speed, were obtained by simulation. The simulated results indicated that no matter the CVT system works on positive or negative phase, the system efficiency increases with the CVT transmission ratio, torque or input speed increased. The efficiency is higher than that of metal pushing V-belt CVT system obviously. Furthermore, the system can be applied in high-power vehicle transmission, which enlarges the speed ratio range of transmission and increases the overall power.  

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楊樹軍,蔡興.多段金屬帶復(fù)合無級(jí)傳動(dòng)效率特性分析[J].農(nóng)業(yè)機(jī)械學(xué)報(bào),2008,39(9):38-42.[J]. Transactions of the Chinese Society for Agricultural Machinery,2008,39(9):38-42.

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