[1]梁　栋,胡汉宝,吴育康,等.新型人字行星齿轮传动齿面设计及接触特性分析[J].郑州大学学报(工学版),2026,47(3):19-28.[doi:10.13705/j.issn.1671-6833.2025.06.002]
　LIANG Dong,HU Hanbao,WU Yukang,et al.Tooth Surface Design and Contact Characteristics Analysis of a Novel Herringbone Planetary Gear Drive[J].Journal of Zhengzhou University (Engineering Science),2026,47(3):19-28.[doi:10.13705/j.issn.1671-6833.2025.06.002]
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新型人字行星齿轮传动齿面设计及接触特性分析()
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《郑州大学学报(工学版)》[ISSN:1671-6833/CN:41-1339/T]

卷:
47
期数:
2026年3期
页码:
19-28
栏目:
出版日期:
2026-05-27

文章信息/Info

Title:
Tooth Surface Design and Contact Characteristics Analysis of a Novel Herringbone Planetary Gear Drive
文章编号:
1671-6833(2026)03-0019-10
作者:
梁　栋, 胡汉宝, 吴育康, 陈仁祥, 徐向阳
重庆交通大学 机电与车辆工程学院,重庆 400074
Author(s):
LIANG Dong, HU Hanbao, WU Yukang, CHEN Renxiang, XU Xiangyang
School of Mechatronics and Vehicle Engineering, Chongqing Jiaotong University, Chongqing 400074, China
关键词:
人字行星齿轮;  点接触;  齿面设计;  三维建模;  接触分析
Keywords:
herringbone planetary gear;  point contact;  tooth surface design;  three-dimensional modeling;  contact analysis
分类号:
TH132.425
DOI:
10.13705/j.issn.1671-6833.2025.06.002
文献标志码:
A
摘要:
渐开线齿轮传动在传递大扭矩和大功率时,常面临齿面接触应力分布不均导致齿面点蚀磨损、齿轮抗弯性能不足的问题。为解决这一问题,提出了一种新型人字行星齿轮传动,啮合形式为凹齿廓(中心轮)-凸齿廓(行星轮)-凹齿廓(内齿圈)点接触。基于空间几何关系推导各构件凸、凹齿齿廓方程,利用螺旋运动法完成各构件共轭齿面数学描述,建立成型齿面几何方程。基于MATLAB与UG软件,通过曲面缝合、拉伸、合并和布尔运算等操作,构建了凹齿抛物线中心轮、凸齿圆弧行星轮和凹齿抛物线内齿圈,并完成新型人字行星齿轮传动、渐开线齿轮传动和渐开线-圆弧齿轮传动3种形式的模型装配。采用自适应网格技术划分网格,通过灵敏度分析确定了网格密度与计算精度的关系。在输入功率为360 kW、太阳轮转速为2 000 r/min的工况下,根据有限元分析对比相同工况下3种传动构型的啮合接触特性。结果表明:与渐开线齿轮传动相比,新型人字行星齿轮传动的静态等效应力降低了24.5%,齿面应力分布更加均匀,且抗弯性能提升了4.63%,显著优于标准渐开线齿轮传动形式。
Abstract:
Involute gear transmissions faced challenges such as uneven distribution of contact stress on tooth surfaces that leading to pitting wear, and insufficient bending resistance when transmitting high torque and power. To address these issues, in this study a novel herringbone planetary gear transmission system, featuring a point-contact meshing form consisting of concave tooth profiles (central gear)-convex tooth profiles (planetary gear)-concave tooth profiles (internal ring gear) was proposed. Based on spatial geometric relationships, the equations for the convex and concave tooth profiles of each component were derived. The mathematical description of the conjugate tooth surfaces was completed using the helical motion method, and the geometric equations for the formed tooth surfaces were established. MATLAB and UG software were utilized to perform operations such as surface stitching, extrusion, merging, and Boolean operations, constructing a concave parabolic central gear, a convex circular-arc planetary gear, and a concave parabolic internal ring gear. The assembly of three transmission models—the novel herringbone planetary gear transmission, the involute gear transmission, and the involute-circular-arc gear transmission—was completed. Adaptive meshing technology was employed to gradually refine the mesh, and a detailed sensitivity analysis determined the relationship between mesh density and computational accuracy. A convergence curve of mesh density versus stress was plotted, showing that the equivalent stress stabilized when the mesh density reached 2.0. To balance computational accuracy and efficiency, a mesh density of 2.1 was selected for simulation analysis. With operating conditions of 360 kW input power and a sun gear speed of 2 000 r·min-1, finite element analysis was conducted to compare the meshing contact characteristics of the three configurations. Results demonstrated that compared with the involute gear system, the novel herringbone planetary gear system exhibited a 24.5% reduction in static equivalent stress, more uniform tooth surface stress distribution, and a 4.63% improvement in bending resistance, significantly outperforming standard involute gear transmissions.

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更新日期/Last Update: 2026-05-27