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工程设计学报  2024, Vol. 31 Issue (1): 91-97    DOI: 10.3785/j.issn.1006-754X.2024.03.309
可靠性与保质设计     
考虑弹性误差的渐开线圆柱齿轮半解析接触模型与传动精度分析
肖康1(),张楚2,董惠敏1(),毛范海1
1.大连理工大学 机械工程学院,辽宁 大连 116024
2.大连海事大学 船舶与海洋工程学院,辽宁 大连 116026
Semi-analytical contact model and transmission accuracy analysis of involute cylindrical gear considering elastic error
Kang XIAO1(),Chu ZHANG2,Huimin DONG1(),Fanhai MAO1
1.School of Mechanical Engineering, Dalian University of Technology, Dalian 116024, China
2.Naval Architecture and Ocean Engineering College, Dalian Maritime University, Dalian 116026, China
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摘要:

在弹性和误差作用下,齿轮接触的高效、精准建模是研究齿轮传动精度的重要基础。为准确分析渐开线圆柱齿轮的弹性和误差对传动精度的影响,提出了一种考虑弹性误差的齿轮半解析接触模型。以渐开线斜齿圆柱齿轮为例,首先,结合齿轮的齿面方程与齿廓误差建立误差齿面模型,得到了误差齿面方程。然后,将解析法和有限元法相结合,建立了弹性误差作用下的齿轮半解析接触模型,并推导了其变形协调方程和力平衡方程。最后,建立齿轮的完整和局部有限元模型,通过提取接触齿面的柔度矩阵来计算齿轮的传动误差。应用所构建的半解析模型分析了齿廓误差和弹性变形对齿轮传动精度的影响规律,并与有限元仿真结果进行对比,验证了该半解析模型的高效性和精准性。研究结果可为渐开线圆柱齿轮在工程中的应用提供理论指导。

关键词: 渐开线圆柱齿轮弹性误差半解析模型传动误差    
Abstract:

Under the action of elasticity and errors, the efficient and precise modeling of gear contact is a crucial foundation for studying the transmission accuracy of gears. In order to accurately analyze the influence of elasticity and errors on the transmission accuracy of involute cylindrical gears, a semi-analytical contact model for gears considering elastic error is proposed. Taking the involute helical cylindrical gear as an example, firstly, the error tooth surface model of gear was established by combining the tooth surface equation and the tooth profile error, and the error tooth surface equation was obtained. Then, the semi-analytical contact model of gear under the action of elastic error was established by combining analytical method and finite element method, and the deformation coordination equation and force balance equation were derived. Finally, the complete and local finite element model of the gear was conducted, and the transmission error of the gear was calculated by extracting the compliance matrix of the contact tooth surface. The influence of the tooth profile error and elastic deformation on the transmission accuracy of gear was analyzed by using the semi-analytical model, and compared with the finite element simulation results, which verified the efficiency and accuracy of the semi-analytical model. The research results can provide theoretical guidance for the application of involute cylindrical gears in engineering.

Key words: involute cylindrical gear    elastic error    semi-analytical model    transmission error
收稿日期: 2023-10-20 出版日期: 2024-03-04
CLC:  TH 132.4  
基金资助: 国家自然科学基金资助项目(52175045)
通讯作者: 董惠敏     E-mail: xioakang@mail.dlut.edu.cn;donghm@dlut.edu.cn
作者简介: 肖 康(1998—),男,辽宁葫芦岛人,硕士生,从事齿轮传动误差与振动研究,E-mail: xioakang@mail.dlut.edu.cn,https://orcid.org/0009-0005-2863-3074
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引用本文:

肖康,张楚,董惠敏,毛范海. 考虑弹性误差的渐开线圆柱齿轮半解析接触模型与传动精度分析[J]. 工程设计学报, 2024, 31(1): 91-97.

Kang XIAO,Chu ZHANG,Huimin DONG,Fanhai MAO. Semi-analytical contact model and transmission accuracy analysis of involute cylindrical gear considering elastic error[J]. Chinese Journal of Engineering Design, 2024, 31(1): 91-97.

链接本文:

https://www.zjujournals.com/gcsjxb/CN/10.3785/j.issn.1006-754X.2024.03.309        https://www.zjujournals.com/gcsjxb/CN/Y2024/V31/I1/91

图1  渐开线螺旋面的生成
图2  考虑齿廓误差的齿廓曲线
图3  斜齿轮的完整和局部有限元模型
图4  考虑弹性误差的渐开线圆柱齿轮的传动误差计算流程
参数主动轮从动轮
齿数Z3636
模数m/mm33
压力角α/(°)2020
齿宽B/mm3030
螺旋角β/(°)1515
变位系数g00
顶隙系数c*0.250.25
弹性模量E/GPa206206
泊松比μ0.30.3
表1  斜齿轮的基本参数
图5  基于不同方法的斜齿轮传动误差对比
图6  齿廓误差对斜齿轮传动误差的影响
图7  载荷对斜齿轮传动误差的影响
图8  齿廓误差等级对斜齿轮传动误差的影响
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