Dynamic characterization of two-stage helical gear transmission for electric vehicles considering mesh impact

LIU Xing; ZENG Zhongwei; ZHANG Xiangjun; SHI Guoyong; FU Xuezhong

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Dynamic characterization of two-stage helical gear transmission for electric vehicles considering mesh impact

更新时间：2025-08-01

- Dynamic characterization of two-stage helical gear transmission for electric vehicles considering mesh impact
- Journal of Mechanical Transmission Pages: 1-6(2025)
- 作者机构：
  
  1.柳州赛克科技发展有限公司技术中心，柳州 545001
  2.广西科技大学机械与汽车工程学院，柳州 545006
  3.广西汽车零部件与整车技术重点实验室，柳州 545006
  4.高端工程装备广西高校工程研究中心，柳州 545006
- 作者简介：
- 基金信息：
- DOI：
  CLC： TH132.41
- Received：17 January 2025，
  
  Revised：06 March 2025，
  
  Published Online：01 August 2025，
- 稿件说明：
移动端阅览
刘星，曾仲伟，张向军，等.考虑啮合冲击的电动汽车二级斜齿轮传动动力学特性分析［J］.机械传动，XXXX，XX（XX）：1-6.

LIU Xing，ZENG Zhongwei，ZHANG Xiangjun，et al.Dynamic characterization of two-stage helical gear transmission for electric vehicles considering mesh impact［J］.Journal of Mechanical Transmission，XXXX，XX（XX）：1-6.
刘星，曾仲伟，张向军，等.考虑啮合冲击的电动汽车二级斜齿轮传动动力学特性分析［J］.机械传动，XXXX，XX（XX）：1-6. DOI：

LIU Xing，ZENG Zhongwei，ZHANG Xiangjun，et al.Dynamic characterization of two-stage helical gear transmission for electric vehicles considering mesh impact［J］.Journal of Mechanical Transmission，XXXX，XX（XX）：1-6. DOI：

摘要

目的

探究啮合冲击对电动汽车二级斜齿轮传动系统动力学特性的影响，为该类传动设计提供参考。

方法

以某电动汽车二级斜齿轮传动系统为研究对象，推导了啮合冲击力计算式；基于集中质量法建立了16自由度动力学模型，构建弯曲-扭转-轴向耦合的动力学微分方程组，采用龙格-库塔法求解，分析了不同转速下各级齿轮副的动力学特性。

结果

研究表明：随系统输入转速升高，齿轮副啮合冲击对传动系统影响显著，加剧系统不稳定性，且输入端齿轮副（齿轮副12）的影响大于输出端齿轮副（齿轮副34）；相同转速下，输入端齿轮副对输出端齿轮副啮入冲击的影响更强，两者相互影响的频率与其自身啮合频率一致。

Abstract

Objective

To investigate the influence of meshing impact on the dynamic characteristics of two-stage helical gear transmission systems in electric vehicles and provide references for the design of such transmissions.

Methods

A two-stage helical gear transmission system of an electric vehicle was taken as the research object. A calculation formula for meshing impact force was derived; a 16-degree-of-freedom dynamic model was established based on the lumped mass method

and a set of dynamic differential equations considering bending-torsional-axial coupling was constructed. The Runge-Kutta method was used for solution

and the dynamic characteristics of each gear pair under different rotational speeds were analyzed.

Results

The research showed that with the increase in system input rotational speed

the influence of gear pair meshing impact on the transmission system became significant

exacerbating system instability

and the impact of the input-end gear pair (Gear Pair 12) was greater than that of the output-end gear pair (Gear Pair 34). At the same rotational speed

the input-end gear pair had a stronger influence on the meshing-in impact of the output-end gear pair

and the frequency of their mutual influence was consistent with their own meshing frequencies.

关键词

Keywords

references

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