RV减速器摆线轮齿廓修形润滑性能分析

王君; 陈智龙; 程群超; 李文涛; 汪泉; 赵大兴

doi:10.16578/j.issn.1004.2539.2020.01.018

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RV减速器摆线轮齿廓修形润滑性能分析

试验分析 | 更新时间：2022-11-10

- RV减速器摆线轮齿廓修形润滑性能分析
- Lubrication Performance Analysis of RV Reducer Cycloid Tooth Profile Modification
- 机械传动 2020年44卷第1期页码：109-116
- 作者机构：
  
  1.湖北工业大学机械工程学院，湖北武汉 430068
- 作者简介：
  
  王君（1974— ），男，湖北蕲春人，博士，教授，主要研究方向为机械设计、机器人技术。
  陈智龙（1993— ），男，湖北襄阳人，硕士研究生，主要研究方向为机器人技术、RV减速器。
- 基金信息：
  
  国家自然科学基金(51405140)
- DOI：10.16578/j.issn.1004.2539.2020.01.018
  中图分类号：
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王君,陈智龙,程群超等.RV减速器摆线轮齿廓修形润滑性能分析[J].机械传动,2020,44(01):109-116.

Wang Jun Chen Zhilong Cheng Qunchao Li Wentao Wang Quan Zhao Daxing.Lubrication Performance Analysis of RV Reducer Cycloid Tooth Profile Modification[J].Journal of Mechanical Transmission,2020,44(01):109-116.
王君,陈智龙,程群超等.RV减速器摆线轮齿廓修形润滑性能分析[J].机械传动,2020,44(01):109-116. DOI： 10.16578/j.issn.1004.2539.2020.01.018.

Wang Jun Chen Zhilong Cheng Qunchao Li Wentao Wang Quan Zhao Daxing.Lubrication Performance Analysis of RV Reducer Cycloid Tooth Profile Modification[J].Journal of Mechanical Transmission,2020,44(01):109-116. DOI： 10.16578/j.issn.1004.2539.2020.01.018.

摘要

考虑润滑脂的压黏特性及热效应，建立摆线轮齿与针齿之间的线接触脂润滑热弹流数值模型，求得该模型的完整数值解，得到了脂膜压力分布、温升分布及脂膜形状；结合摆线轮齿廓，分析了修形方式及修形量对脂膜压力、脂膜形状、脂膜温升和摩擦损失功率的影响。结果表明，随着修形齿廓与摆线轮理论齿廓径向间隙的增大，摩擦损失功率增加，最小脂膜厚度先增加后减小；在修形齿廓与摆线轮理论齿廓同一径向间隙的条件下，反弓齿廓修形方式的润滑性能最好，正等距加正移距的组合修形方式次之，负等距加负移距的组合修形方式润滑性能最差。研究结果为考虑润滑性时RV减速器摆线轮齿廓修形提供了一种新的方法。

Abstract

With the consideration of the thermal effect and piezo-viscous characteristic of lubricants， the numerical model of line contact elastohydrodynamic grease lubrication between cycloid gear and pin wheel is established， and the fully numerical solution of the model is obtained and the grease film pressure distribution， grease film temperature rising distribution and the grease film shape of are obtained. Combined with the profile of the cycloidal wheel， the effect of the tooth profile modification schemes and the modification quantity on grease film pressure， grease film shape， grease film temperature rising and friction power loss are analyzed. The results indicate that as the radial clearance between the modified tooth profile and the theoretical tooth profile increases， the friction loss power increases， and the minimum grease film thickness increases first and then decreases. Under the condition of the same radial clearance between the modified tooth profile and the theoretical tooth profile， the lubrication performance of the anti-bow profile modification is better that the positive equidistant modification with positive radial-moving modification. The negative equidistant modification with negative radial-moving modification has the worst lubrication performance. This study provides a new method for tooth profile modification of the cycloidal gear of the RV reducer by considering lubricity.

关键词

齿廓修形热弹流脂膜厚度摩擦损失功率

Keywords

Tooth profile modificationThermal elastohydrodynamicGrease film thicknessFriction power loss

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