Research on Non-inertial System Effect of Dynamic Stress of Planetary Gear System under Basic Motion

Aiqiang Zhang; Guangbin Yu; Miaofei Cao; Jing Wei

doi:10.16578/j.issn.1004.2539.2022.03.001

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Research on Non-inertial System Effect of Dynamic Stress of Planetary Gear System under Basic Motion

Theory·Reserach | 更新时间：2022-09-24

- Research on Non-inertial System Effect of Dynamic Stress of Planetary Gear System under Basic Motion
- Journal of Mechanical Transmission Vol. 46, Issue 3, Pages: 1-9(2022)
- 作者机构：
  
  1.重庆大学机械传动国家重点实验室，重庆 400044
  2.哈尔滨工业大学机电工程学院，黑龙江哈尔滨 150006
- 作者简介：
- 基金信息：
- DOI：10.16578/j.issn.1004.2539.2022.03.001
  CLC：
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张爱强,于广滨,曹苗飞等.基础运动下行星轮系动应力非惯性系效应研究[J].机械传动,2022,46(03):1-9.

Zhang Aiqiang,Yu Guangbin,Cao Miaofei,et al.Research on Non-inertial System Effect of Dynamic Stress of Planetary Gear System under Basic Motion[J].Journal of Mechanical Transmission,2022,46(03):1-9.
张爱强,于广滨,曹苗飞等.基础运动下行星轮系动应力非惯性系效应研究[J].机械传动,2022,46(03):1-9. DOI： 10.16578/j.issn.1004.2539.2022.03.001.

Zhang Aiqiang,Yu Guangbin,Cao Miaofei,et al.Research on Non-inertial System Effect of Dynamic Stress of Planetary Gear System under Basic Motion[J].Journal of Mechanical Transmission,2022,46(03):1-9. DOI： 10.16578/j.issn.1004.2539.2022.03.001.

摘要

考虑行星轮系内部非惯性系和机体时变位姿外部非惯性系的综合影响，建立了非惯性系下行星齿轮传动系统动力学模型；结合修正Heywood公式与Hertz公式构建了基础运动非惯性系下行星齿轮传动系统齿根弯曲动应力和接触动应力计算模型，定义了描述基础运动下附加效应对动应力影响的应力非惯性系系数；研究了变速平飞、滚转运动和筋斗运动等3种典型机动条件下应力非惯性系系数变化规律。结果表明，应力非惯性系系数与基础运动形式及运动参数紧密相关，总体上应力非惯性系系数随机体机动性增加呈非线性增大趋势，高机动条件下基础运动影响不可忽略。

Abstract

Considering the comprehensive influence of the internal non-inertial system of the planetary gear system and the external non-inertial system of the body's time-varying attitude，a dynamics model of the planetary gear transmission system under the non-inertial system is established. Combining the modified Heywood formula and Hertz formula，a calculation model of the tooth root bending dynamic stress and contact dynamic stress of the planetary gear transmission system under the basic motion non-inertial system is constructed，and the stress non-inertial system coefficients describing the influence of the additional effects on the dynamic stress under the basic motion are defined. The variation law of the stress non-inertial system coefficients under three typical maneuvering conditions such as variable speed level flight，roll motion and somersault motion is studied. The results show that the stress non-inertial system coefficients are closely related to the basic motion form and motion parameters. Generally，the stress non-inertial system coefficients increase in a non-linear increase in the mobility of random bodies，and the influence of the basic motion cannot be ignored under high maneuvering conditions.

关键词

行星齿轮传动基础运动动应力非惯性系系数

Keywords

Planetary gear transmissionBasic motionDynamic stressNon-inertial system coefficient

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