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双圆锥式无级变速器传动性能的试验研究 总被引：3，自引：0，他引：3
采用试验研究的方法,对双圆锥式无级变速器的传动性能以及影响因素进行研究。设计并制造出双圆锥式无级变速器的试验样机,搭建传动性能测试试验平台,并进行性能试验。试验结果表明,保持传动比、输入转速和液压腔压力不变,系统的传动效率随着输入转矩的增加而增加,最终到达最大值,随后逐渐下降;保持传动比、输入转速和输入转矩不变,系统传动效率随着液压腔压力的降低而增加,但过低的液压腔压力会使系统无法高效传递动力;保持传动比、液压腔压力和输入转矩不变,系统传动效率随着转速的增加而减小;当输入转速、液压腔压力和输入转矩不变,增大系统传动比,将提高系统的传动效率。 相似文献
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A new CVT（continuously variable transmission） design which is a traction drive variator has been introduced. Analytical predictions and experimental results of the steady state which demonstrate higher efficiencies and power capacities of the new design are presented. The traction and power loss are then predicted by using models including evaluation of creep and spin in the contact patch. Analytical predictions of the transmission reach reasonable agreement with the experimental data, and the transmission efficiency of the system increases as the input torque increases while the input speed is certain. The research results can be further used in hydraulic traction drive CVT design and optimization. 相似文献
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