Design and Selection of Power Coupling Device for Electric Tractor

Shuyuan Li; Mengnan Liu; Liyou Xu

doi:10.16578/j.issn.1004.2539.2021.05.011

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Design and Selection of Power Coupling Device for Electric Tractor

Design· Calculation | 更新时间：2022-11-10

- Design and Selection of Power Coupling Device for Electric Tractor
- Journal of Mechanical Transmission Vol. 45, Issue 5, Pages: 75-82(2021)
- 作者机构：
  
  1.河南科技大学车辆与交通工程学院，河南洛阳 471003
  2.西安理工大学机械与精密仪器工程学院，陕西西安 710048
- 作者简介：
- 基金信息：
- DOI：10.16578/j.issn.1004.2539.2021.05.011
  CLC：
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李书苑,刘孟楠,徐立友.电动拖拉机动力耦合装置设计与选型[J].机械传动,2021,45(05):75-82.

Li Shuyuan,Liu Mengnan,Xu Liyou.Design and Selection of Power Coupling Device for Electric Tractor[J].Journal of Mechanical Transmission,2021,45(05):75-82.
李书苑,刘孟楠,徐立友.电动拖拉机动力耦合装置设计与选型[J].机械传动,2021,45(05):75-82. DOI： 10.16578/j.issn.1004.2539.2021.05.011.

Li Shuyuan,Liu Mengnan,Xu Liyou.Design and Selection of Power Coupling Device for Electric Tractor[J].Journal of Mechanical Transmission,2021,45(05):75-82. DOI： 10.16578/j.issn.1004.2539.2021.05.011.

摘要

设计了多种基于行星齿轮机构的双电机动力耦合结构方案，利用杠杆分析法得出多种动力耦合装置的定量关系，对比分析各方案的传动特性，选出两种较好的方案进行了动力匹配及参数计算。基于Simulation X搭建双电机动力耦合装置传动仿真模型，进行运动学仿真分析，优选出最终传动方案。仿真分析结果表明，提出的选型方法能有效减少耦合传动方案数量，选出的动力耦合传动方案转速及转矩性能优异，可满足电动拖拉机多工况作业需求。该项研究对行星轮系及汽车变速器开发具有重要的理论意义。

Abstract

A variety of dual-motor dynamic coupling structure schemes based on planetary gear mechanism are designed， and the quantitative relations of various dynamic coupling devices are obtained by using lever analysis method. Then，the transmission characteristics of each scheme are compared and analyzed， and two better schemes are selected for power matching and parameter calculation. Based on Simulation X，the simulation model of the dual motor dynamic coupling device is built，the kinematics simulation analysis is carried out，and the final transmission scheme is optimized. The results show that the proposed method can effectively reduce the number of coupling transmission schemes， and the selected dynamic coupling transmission scheme has excellent speed and torque performance， which can meet the operating requirements of electric tractor under multi-working conditions of electric tractors. This research has important theoretical significance to the development of planetary gear train and automobile transmission.

关键词

电动拖拉机双电机耦合行星齿轮机构传动特性

Keywords

Electric tractorDouble motor couplingPlanetary gear mechanismTransmission characteristic

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