Design and Optimization Analysis of a Through Shaft Inner Rotor Electric Bicycle Reducer Device

Xiong Junkai; Huang Xingyuan

doi:10.16578/j.issn.1004.2539.2024.04.023

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Design and Optimization Analysis of a Through Shaft Inner Rotor Electric Bicycle Reducer Device

Development·Application | 更新时间：2024-04-19

- Design and Optimization Analysis of a Through Shaft Inner Rotor Electric Bicycle Reducer Device
- Journal of Mechanical Transmission Vol. 48, Issue 4, Pages: 172-176(2024)
- 作者机构：
  
  南昌大学先进制造学院，江西南昌 330031
- 作者简介：
- 基金信息：
- DOI：10.16578/j.issn.1004.2539.2024.04.023
  CLC：
- Published：15 April 2024，
  
  Received：31 December 2022，
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熊俊凯,黄兴元.一种通轴式内转子电动自行车减速装置的设计与优化分析[J].机械传动,2024,48(04):172-176.

Xiong Junkai,Huang Xingyuan.Design and Optimization Analysis of a Through Shaft Inner Rotor Electric Bicycle Reducer Device[J].Journal of Mechanical Transmission,2024,48(04):172-176.
熊俊凯,黄兴元.一种通轴式内转子电动自行车减速装置的设计与优化分析[J].机械传动,2024,48(04):172-176. DOI： 10.16578/j.issn.1004.2539.2024.04.023.

Xiong Junkai,Huang Xingyuan.Design and Optimization Analysis of a Through Shaft Inner Rotor Electric Bicycle Reducer Device[J].Journal of Mechanical Transmission,2024,48(04):172-176. DOI： 10.16578/j.issn.1004.2539.2024.04.023.

摘要

分析现有电动自行车所用轮毂电动机的整体结构，针对轮毂电动机内转子采用左右半轴结构时出现的不稳定性、噪声较大等问题，优化设计了一种通轴式内转子加减速装置的轮毂电动机结构。基于优化设计理论，以减速装置总体积最小为目标函数进行优化，采用Creo软件绘制优化后的减速装置三维模型，利用Ansys Workbench软件对其进行有限元分析，校核了结构的强度和刚度。结果表明，新设计克服了电动自行车轮毂电动机内采用左右半轴的缺陷，减速装置优化后体积下降了8.6%，且结构设计强度和刚度满足要求，验证了结构的合理性。为电动自行车轮毂电动机结构设计及优化提供了新思路和理论依据。

Abstract

Based on the analysis of the overall structure of the existing hub motor used for electric bicycles

aiming at the problems of instability and large noise when the inner rotor of the hub motor adopts the left and right half shaft structure

a hub motor structure of the through shaft inner rotor and reduction device is improved and designed. Based on the optimization design theory

the minimum total volume of the reduction device is taken as the objective function to optimize. Creo software is used to draw the optimized 3D model of the reducer

and finite element analysis is carried out by Ansys Workbench software to check the strength and stiffness of the structure. The results show that the new design overcomes the defects of the left and right half shaft in the electric bicycle hub motor

the volume of the reducer is reduced by 8.6% after optimization

and the structural design strength and stiffness meet the requirements

which verifies the rationality of the structure

and provides a new idea and theoretical basis for the electric bicycle hub motor structure design and optimization.

关键词

通轴式内转子轮毂电动机减速装置优化设计有限元分析

Keywords

Through shaft inner rotorHub motorReducer deviceOptimization designFinite element analysis

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