Research on the Optimum Supporting Point Position   of Thrust Bearing Pad Base on Point Sustaining

LI Yonghai; WANG Lei; SUN Xiangzhi; ZHAO Hongbo; GUO Xiaodong; WU Dingchao

doi:10.15938/j.jhust.2019.06.021

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Research on the Optimum Supporting Point Position of Thrust Bearing Pad Base on Point Sustaining

更新时间：2026-08-31

- Research on the Optimum Supporting Point Position of Thrust Bearing Pad Base on Point Sustaining
- Vol. 24, Issue 6, Pages: 141-146(2019)
- 作者机构：
  
  1. 哈尔滨理工大学机械动力工程学院,哈尔滨,150080
  2. 中国船舶重工集团公司第703研究所,哈尔滨,150078
- 作者简介：
- 基金信息：
- DOI：10.15938/j.jhust.2019.06.021
  CLC： TH133.37
- Published：2019
- 稿件说明：
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LI Yonghai, WANG Lei, SUN Xiangzhi, et al. Research on the Optimum Supporting Point Position of Thrust Bearing Pad Base on Point Sustaining[J]. 2019, 24(6): 141-146.
DOI：

LI Yonghai, WANG Lei, SUN Xiangzhi, et al. Research on the Optimum Supporting Point Position of Thrust Bearing Pad Base on Point Sustaining[J]. 2019, 24(6): 141-146. DOI： 10.15938/j.jhust.2019.06.021.

摘要

为了研究轴瓦最佳支点位置分布，依据润滑理论，建立了点支承推力轴承流体润滑数学模型，采用数值分析方法，计算分析了轴承润滑性能随轴瓦支点位置的变化关系，确定了不同工况和轴瓦尺寸下轴瓦最佳支点位置，给出了最佳支点位置的分布规律。计算结果表明：合理的轴瓦支点位置能显著提升轴承的润滑性能。最佳支点位置在轴瓦径向方向上偏向轴瓦外侧，其径向偏心率随比压、转速和长宽比的增加而减小，随轴瓦变形量的增加而增大；最佳支点位置在轴瓦周向方向上偏向轴瓦出油边，其周向偏心率随转速和长宽比的增加而增大，随比压和轴瓦变形量的增加而减小。

Abstract

Abstract:In order to obtain the distribution of the optimum supporting point position

this paper sets up a mathematical model of fluid lubrication of thrust bearing based on the lubrication theory

analyzing the variation relationship between the lubrication characteristics and the point positions by using the numerical analysis method

obtaining the optimum supporting point position and its distribution law under the different working conditions and bearing pad dimension. The calculation results show that: The reasonable supporting point position can improve the lubrication characteristics of thrust bearing obviously. The optimum supporting point position is close to the outside of bearing pad in radial direction

and its radial eccentricity decreases with the increasing of specific pressure

rotating speed and aspect ratio

increasing with the bearing pad deformation increasing. The optimum supporting point position is close to the oil outlet side in circumferential direction

and its circumferential eccentricity increases with the increasing of rotating speed and aspect ratio

decreasing with the increasing of bearing pad deformation and specific pressure.

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Related Author

LI Yonghai

WU Dingchao

SUN Xiangzhi

MA Shen

SHEN Jian

PEI Li-xin

XU Zhen-yu

LI Da-yong

Related Institution

1School of Mechanical Power Engineering, Harbin University of Science and Technology

2The 703 Institute of China Ship Heavy Industry Corporation

School of Material Science and Engineering，Harbin University of Science and Technology

School of Civil Engineering and Architecture, Harbin University of Science and Technology

School of Material Science and Engineering, Harbin University of Science and Technology

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