RESEARCH ON DYNAMICS CHARACTERISTICS OF SPUR GEAR BASED ON DYNAMIC MSEH STIFFNESS

DAI ZhanSheng; LIU GuiMian

doi:10.16579/j.issn.1001.9669.2024.01.019

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RESEARCH ON DYNAMICS CHARACTERISTICS OF SPUR GEAR BASED ON DYNAMIC MSEH STIFFNESS

更新时间：2024-04-18

- RESEARCH ON DYNAMICS CHARACTERISTICS OF SPUR GEAR BASED ON DYNAMIC MSEH STIFFNESS
- Journal of Mechanical Strength Vol. 46, Issue 1, Pages: 143-151(2024)
- 作者机构：
  
  1. 商丘职业技术学院
  2. 青岛理工大学机械与汽车工程学院
- 作者简介：
- 基金信息：
- DOI：10.16579/j.issn.1001.9669.2024.01.019
  CLC： TH132.41
- Published：15 February 2024，
- 稿件说明：
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DAI ZhanSheng, LIU GuiMian. RESEARCH ON DYNAMICS CHARACTERISTICS OF SPUR GEAR BASED ON DYNAMIC MSEH STIFFNESS. [J]. Journal of Mechanical Strength 46(1):143-151(2024)
DOI：

DAI ZhanSheng, LIU GuiMian. RESEARCH ON DYNAMICS CHARACTERISTICS OF SPUR GEAR BASED ON DYNAMIC MSEH STIFFNESS. [J]. Journal of Mechanical Strength 46(1):143-151(2024) DOI： 10.16579/j.issn.1001.9669.2024.01.019.

摘要

齿轮系统转速直接影响齿轮系统的动态特性，然而在啮合刚度的计算中该因素却被许多学者们忽略。为了研究转速对啮合刚度的影响，基于有限元框架使用平均加速度法提出了一种计算与转速相关的动态啮合刚度的算法，同时对不同转速下的动态啮合刚度进行仿真计算与分析，最后进一步探究了受动态啮合刚度影响后的齿轮系统所具有的相关动态特性。分析表明，动态啮合刚度始终围绕着静态啮合刚度上下波动；随着转速的增加，其波动幅度增加，振荡次数减少；随着转速的变化，动态啮合刚度计算的动态传动误差振幅相对于静态啮合刚度而言大小关系不一致，且计算的齿轮系统共振转速区间或超前或滞后于静态啮合刚度模型；动态啮合刚度影响特定转速区间的齿轮系统的振动周期。对与转速相关的动态啮合刚度的研究可为直齿圆柱齿轮传动性能的改善及减振降噪提供参考。

Abstract

The rotational speed of gear system directly affects the dynamic characteristies of gear system

but this important factor was often ignored by many scholars in the caleulation of mesh stiffness. In order to study the influence of rotational speed on mesh stiffness

an algorithm of calculating the dynamic mesh stiffness which related to rotational speed was proposed based on finite element framework by using the average acceleration method. Meanwhile

the dynamic mesh stiffness under different rotational speeds was simulated and analyzed. Finally

the relevant dynamic characteristics of gear system which affected by dynamic mesh stiffness were further explored. The research results show that the dynamic mesh stiffness varies with rotational speed of gear system. With the increase of rotational speed

the fluctuation range of the dynamic mesh stiffness increases relative to the static mesh stiffness. The resonance speed range of the gear system calculated by dynamic mesh stiffness is either ahead or behind the static mesh stiffness

and the super harmonic response of dynamie mesh stiffness model is more obvious at high rotational speed. The research on dynamic mesh stiffness related to rotational speed can provide reference for improving transmission performance and reducing vibration and noise of spur gear.

关键词

齿轮系统动态响应动态啮合刚度非线性振动转速

Keywords

Gear systemDynamic responseDynamic mesh stiffnessNonlinear vibrationRotational speed

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