基于动力学的行星齿轮传动系统的轴承磨损寿命预测

doi:10.16578/j.issn.1004.2539.2013.10.018

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基于动力学的行星齿轮传动系统的轴承磨损寿命预测

更新时间：2025-04-03

- 基于动力学的行星齿轮传动系统的轴承磨损寿命预测
- Vol. 37, Issue 10, Pages: 41-45(2013)
- 作者机构：
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- DOI：10.16578/j.issn.1004.2539.2013.10.018
  CLC： TH132.425
- Published：2013
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[1]廖映华,张良栋,李志荣,王春.基于动力学的行星齿轮传动系统的轴承磨损寿命预测[J].机械传动,2013,37(10):41-45.

[J]. 2013, 37(10): 41-45.
[1]廖映华,张良栋,李志荣,王春.基于动力学的行星齿轮传动系统的轴承磨损寿命预测[J].机械传动,2013,37(10):41-45. DOI： 10.16578/j.issn.1004.2539.2013.10.018.

[J]. 2013, 37(10): 41-45. DOI： 10.16578/j.issn.1004.2539.2013.10.018.

摘要

轴承磨损寿命与系统动力学特性密切相关

为了准确预测行星齿轮传动系统的轴承磨损寿命

提出了基于动力学模型的行星齿轮传动系统的轴承磨损寿命预测。首先运用集中参数理论

建立了一个考虑轴承磨损的行星齿轮传动系统平移-扭转动力学模型;然后运用摩擦学理论

建立滚动轴承单周接触的磨损量计算模型

结合行星齿轮传动系统动力学模型

建立轴承磨损寿命预测模型;最后分析了轴承磨损对轴承动态载荷和轴承磨损寿命的影响规律

并提出了提高轴承磨损寿命的方法。分析表明

轴承磨损对行星轮轴承动态载荷影响最大

并且行星轮轴承的磨损寿命与其刚度成正比

因此可通过轴承径向间隙补偿或轴向预紧等方法来提高行星轮轴承磨损寿命。

Abstract

Bearing wearing life is closely related with dynamics characteristics of system in which bearing is mounted

so in order to accurately predict wear life of bearing used on planetary gears

a wear life predict ion approach of bearing for planetary gear transmission system based on dynamic model is presented. Firstly

a translationtorsional dynamics model of planetary gear transmission system involving bearing wear is built. Then

a computation model of bearing wearing capacity is established by use of tribology theory

and a prediction model of bearing wear life based on two aforementioned models is established. Finally

the impacts of bearing wear on the bearing dynamic loads and bearing wear life is analyzed

and the methods of improving the bearing wear life is presented. The analysis result indicates there is a more significant impact of the bearing wear on the bearing dynamic loads

and the bearing wear life of a planet is proportional to its st iffness

so the methods

such as the radial clearance compensat ion and axial precompression of a bearing

can be applied to improve the bearing wear.

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