Transmission Scheme Analysis of Single-row and Three-row Parallel Planetary Gear Mechanism Series

Jinxia Liu; Lei Liu; Aibo Wang

doi:10.16578/j.issn.1004.2539.2021.03.021

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Transmission Scheme Analysis of Single-row and Three-row Parallel Planetary Gear Mechanism Series

Test·Analysis | 更新时间：2022-11-10

- Transmission Scheme Analysis of Single-row and Three-row Parallel Planetary Gear Mechanism Series
- Journal of Mechanical Transmission Vol. 45, Issue 3, Pages: 127-133(2021)
- 作者机构：
  
  1.山东科技大学交通学院，山东青岛 266590
- 作者简介：
- 基金信息：
- DOI：10.16578/j.issn.1004.2539.2021.03.021
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刘晋霞,刘磊,王爱波.单排串三排并联行星齿轮机构的传动方案分析[J].机械传动,2021,45(03):127-133.

Liu Jinxia,Liu Lei,Wang Aibo.Transmission Scheme Analysis of Single-row and Three-row Parallel Planetary Gear Mechanism Series[J].Journal of Mechanical Transmission,2021,45(03):127-133.
刘晋霞,刘磊,王爱波.单排串三排并联行星齿轮机构的传动方案分析[J].机械传动,2021,45(03):127-133. DOI： 10.16578/j.issn.1004.2539.2021.03.021.

Liu Jinxia,Liu Lei,Wang Aibo.Transmission Scheme Analysis of Single-row and Three-row Parallel Planetary Gear Mechanism Series[J].Journal of Mechanical Transmission,2021,45(03):127-133. DOI： 10.16578/j.issn.1004.2539.2021.03.021.

摘要

为有效降低整车油耗，研制传动比间隔合理的多挡四排行星齿轮机构（PGM）自动变速器（AT）传动方案成为新的趋势。基于杠杆法原理，在分析单排与三排并联PGM的输入、输出位置及接合元件布置形式的基础上，提出了由单排与三排并联PGM串联（简称为“单串三并”）的结构杠杆图；通过对“单串三并”转速线杠杆图的分析，根据AT的设计要求，筛选出5种合理的传动方案；根据接合元件工作情况与接合元件及挡位数进行对比，优选出最优传动方案。将该最优传动方案与克莱斯勒45RFE AT相对比，在45RFE AT的基础上增设1排PGM，即可设计出挡位数更多、性能更优的AT传动方案。与2个双排并联PGM串联形成的四排混联PGM AT传动方案相比，增加了2~3个前进挡位，降低了换挡控制的难度。

Abstract

In order to effectively reduce the fuel consumption of the whole vehicle， development of a multi-speed four-row planetary gear mechanism （PGM） automatic transmission （AT） transmission scheme， with a reasonable transmission ratio interval， has become a new trend. Based on the principle of lever method， the input and output positions of single-row and three-row parallel PGM series are analyzed separately. On the basis of the possible arrangement of the engaging elements， the lever structural diagram of single-row in series with three-row parallel PGM （referred to as "1-row+3-row parallel PGM"） is proposed. Through the analysis of the "1-row+3-row parallel PGM" lever speed diagram， according to the design requirements of AT， the five reasonable transmission schemes are compared and the optimal transmission scheme is selected. Comparing this optimal transmission scheme with the Chrysler 45RFE AT， adding a row of PGM based on the 45RFE AT can design a "1-row+3-row parallel PGM" AT transmission scheme with more gears and better performance. Compared with the four-row hybrid PGM AT transmission scheme formed by two double-row parallel PGM in series， also increases 2~3 forward gears and reduces the difficulty of shift control.

关键词

杠杆法自动变速器行星齿轮机构多排行星齿轮机构连接传动方案

Keywords

Lever methodAutomatic transmissionPlanetary gear mechanismMulti-row planetary gear mechanism connectionTransmission scheme

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