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牵引式无级变速器牵引效率研究

Study of traction efficiency on traction type continuously variable transmission
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摘要 以牵引式无级变速器为研究对象,推导出了自转角速度、由油膜滑动产生的牵引力和由自转产生的力矩等解析式。通过实例,计算和分析了牵引效率与接触压力、油膜牵引力、输入转速和几何曲率比等因素间的变化规律。 By taking the traction type continuously variable transmission as the study object, Some analytic expressions for angular speed of spin, traction force caused by oil film sliding and moment generated by spinning are derived. By means of a real example, the changing regularity among traction efficiency and contact pressure, traction force of oil film, input rotation speed and geometric curvature ratio was calculated and analyzed.
作者 李忠
机构地区 湛江师范学院机电工程研究所
出处 《机械设计》 CSCD 北大核心 2012年第5期57-60,共4页 Journal of Machine Design
关键词 牵引式无级变速器 滑动 自转 功率损耗 traction type CVT sliding spin power loss
分类号 TH133.1 [机械工程—机械制造及自动化]
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参考文献6

  • 1Machida H, Murakami Y. Development of the powertoros unit half toroidal CVT [ J ]. NSK Motion & Control, 2000 (9) :15 -26.
  • 2H.Machida,H.Itoh,T.Imanishi,T.Tanak.大功率牵引传动CVT的设计原理[J].传动技术,2001,15(2):23-33. 被引量：9
  • 3Hamhito M, Tsutomu Y, Katsuya K, et al. Astudy on the layout and ratio change characteristic of a dual-cavity half- toroidal CVT [ J ]. SAE of Japan, JSAE Review, 2001,22 : 299 - 303.
  • 4李华英,秦大同,N.A.Attia.牵引式锥盘滚轮CVT的研究现状及发展趋势[J].重庆大学学报（自然科学版）,2003,26(4):15-19. 被引量：21
  • 5Dowson D, Higginson G R. A numerical solution to the Elastohydrodynamic Problem [ J ]. Journal of Mechanical Engineering Science, 1959,1 ( 1 ) : 17 - 24.
  • 6Hamrock B J, Jacobson B O. Elastohydrodynamic lubrication of line contacts[J]. Trans. ASLE, 1984, 27(4) :118 - 125.

二级参考文献21

  • 1[1]Hendriks, E. , Qualitative and Quantitative Influence of a Fully Electronically Controlled CVT on Fuel Economy and Vehicle Performance. SAE paper 930668, 1993.
  • 2[2]Dowson and Higginson, Elasto-Hydrodynamic Lubrication, Pergamon.
  • 3[3]Johnson, K.L. and Tevaarwerk, J.L. , Shear Behavior of Elastohydrodynamic Oil Films. Proc. R. Soc. Lond. A.356, 215-236,1997.
  • 4[4]Hewko, L. O., Rounds F. G. Jr. and Scott, R. L.,Tractive Capacity and Efficiency of Rolling Contacts.Rolling Contact Phenomena, Elsevier Publishing Company, 1962.
  • 5[5]Kraus, J. H. , Traction Drive Shows Automotive Promise.Machine Design. Oct. 18,1973.
  • 6[6]Loewenthal, S. H. , Rohn, D. A. and Anderson, N. E. ,Advances in Traction Drive Technology. SAE paper 831304,1983.
  • 7[7]Coy, J. J. , Loewenthal, L. O. and Zaretsky, E, V.. Fatigue Life Analysis for Traction Drive with Application to a Toroidal Type Geometry. NASA TN D-8362.
  • 8[8]Machida, H. and Kurachi, N., Prototype Design and Testing of the Half Toroidal CVT. SAE paper 900552,1990.
  • 9[9]Nakano, M. and Hibi, T., Dynamic Characteristics of Speed Ratio Control of the Half Toroidal CVT for Passenger Cars. SAE paper 901761, 1990.
  • 10[10]Dawe, D. J. and Lohr C. B. , A High Ratio Multi-Moded Vehicle Transmission Utilizing a Traction Toroidal Continuously Variable Drive and Traction Planetary. SAE paper 932997, 1993.

共引文献27

机械设计
2012年 第5期

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