Quasi-Static Modeling and Stiffness Calculation Analysis of Double Row Tapered Roller Bearings

ZHANG Jinhua; ZHU Guanghao; LI Ming; HONG Jun; FANG Bin

doi:10.7652/xjtuxb202309011

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Quasi-Static Modeling and Stiffness Calculation Analysis of Double Row Tapered Roller Bearings

更新时间：2025-07-09

- Quasi-Static Modeling and Stiffness Calculation Analysis of Double Row Tapered Roller Bearings
- Vol. 57, Issue 9, Pages: 98-108(2023)
- 作者机构：
  
  西安交通大学现代设计与转子轴承系统教育部重点实验室,西安,710049
- 作者简介：
- 基金信息：
- DOI：10.7652/xjtuxb202309011
  CLC： TH133.33
- Online First：10 September 2023，
  
  Published：2023
- 稿件说明：
移动端阅览
ZHANG Jinhua, ZHU Guanghao, LI Ming, et al. Quasi-Static Modeling and Stiffness Calculation Analysis of Double Row Tapered Roller Bearings[J]. 2023, 57(9): 98-108.
DOI：

ZHANG Jinhua, ZHU Guanghao, LI Ming, et al. Quasi-Static Modeling and Stiffness Calculation Analysis of Double Row Tapered Roller Bearings[J]. 2023, 57(9): 98-108. DOI： 10.7652/xjtuxb202309011.

摘要

针对双列圆锥滚子轴承建模及求解过程复杂的问题

以切片法为基础

建立了双列圆锥滚子轴承的拟静力学模型

结合同伦-牛顿法

实现了对上述模型的求解

并针对不同工况条件下双列圆锥滚子轴承的刚度特性展开分析。分析结果表明:所建模型一定程度上克服了传统非线性迭代算法对初值的高依赖性; 双列圆锥滚子轴承的刚度特性受轴承转速和预紧位移影响

在仅有预紧力的工况下

当转速从0增加到4 000 r/min时

轴承的径向、轴向刚度减小

当预紧位移从0.005 mm增加到0.015 mm 时

径向、轴向刚度增加; 当受轴向力且轴向力从10 kN增加到14 kN时

轴承径向、轴向刚度减小

当轴向力从14 kN增加到19 kN时

其径向、轴向刚度增加

转折点为第二列滚子与内滚道脱离点; 增加转速时

出现脱离点所需的轴向力减小; 增加预紧位移时

出现脱离点所需轴向力增加。

Abstract

The modeling and solving process of the double row tapered roller bearing is complex. To solve the problem

a quasi-static model of double row tapered roller bearings was established in the paper based on the slice method

and the solution of the model was realized by combining the homotopy algorithm and the Newton algorithm

which overcame the problem of the high dependence of the traditional nonlinear iterative algorithm on the initial value to a certain extent

and the stiffness characteristics of double row tapered roller bearings under different working conditions were analyzed. The calculation results show that the stiffness characteristics of double row tapered roller bearings are affected by bearing speed and preload displacement. Under the condition of only preload

the radial and axial stiffness of bearings decreases with the speed increasing from 0 r/min to 4 000 r/min

and increases with the preload displacement increasing from 0.005 mm to 0.015 mm. When the axial force increases from 10 kN to 14 kN

their radial and axial stiffness decreases

and when the axial force increases from 14 kN to 19 kN

their radial and axial stiffness increases

and the turning point is the separation point between the second row of rollers and the inner raceway. When the rotation speed increases

the axial force required to produce the separation point decreases

and when the preload displacement increases

the axial force required to produce the separation point increases.

关键词

Keywords

references

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