Simulation Study of Load Sharing of the Herringbone Power Split Gear Train

Zhang Lina; Ning Fenglian; Ding Jintao

doi:10.16578/j.issn.1004.2539.2024.07.012

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Simulation Study of Load Sharing of the Herringbone Power Split Gear Train

Design· Calculation | 更新时间：2024-07-22

- Simulation Study of Load Sharing of the Herringbone Power Split Gear Train
- Journal of Mechanical Transmission Vol. 48, Issue 7, Pages: 91-100(2024)
- 作者机构：
  
  1.中国航发湖南动力机械研究所，湖南株洲 412002
  2.直升机传动技术重点实验室，湖南株洲 412002
- 作者简介：
- 基金信息：
- DOI：10.16578/j.issn.1004.2539.2024.07.012
  CLC：
- Published：15 July 2024，
  
  Received：18 October 2023，
  
  Revised：02 November 2023，
- 稿件说明：
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张丽娜,宁凤莲,丁金涛.人字齿功率分流轮系均载仿真研究[J].机械传动,2024,48(07):91-100.

Zhang Lina,Ning Fenglian,Ding Jintao.Simulation Study of Load Sharing of the Herringbone Power Split Gear Train[J].Journal of Mechanical Transmission,2024,48(07):91-100.
张丽娜,宁凤莲,丁金涛.人字齿功率分流轮系均载仿真研究[J].机械传动,2024,48(07):91-100. DOI： 10.16578/j.issn.1004.2539.2024.07.012.

Zhang Lina,Ning Fenglian,Ding Jintao.Simulation Study of Load Sharing of the Herringbone Power Split Gear Train[J].Journal of Mechanical Transmission,2024,48(07):91-100. DOI： 10.16578/j.issn.1004.2539.2024.07.012.

摘要

均载设计技术是人字齿轮功率分流轮系发挥构型优势的关键技术。为提高人字齿功率分流轮系的均载特性，构建考虑支承刚度、扭转刚度以及齿轮副啮合刚度的静力学模型，剖析出在误差及载荷作用下影响均载特性的主要因素；利用Romax软件建立了含浮动构件、柔性构件、人字齿等结构特征并同时考虑误差、传动系统变形的有限元仿真模型，求解了传动系统的均载系数；研究了偏心误差、同步角、弹性轴扭转刚度、人字齿对称度误差等因素单独作用对均载特性的影响规律，基于正交试验法获得了多因素交互作用对均载特性的影响规律和显著性程度。结果表明，同步角和人字齿对称度误差对均载特性影响显著，弹性轴扭转刚度对均载特性影响次之，偏心误差对均载特性有一定影响。为获得较优的均载特性，设计中应采用较小的弹性轴扭转刚度；传动轴与齿轮连接花键套需采用参数匹配的设计方法，以获得较小的同步角。

Abstract

The load sharing design is a crucial technology that leverages the configuration advantages of the herringbone power split gear train. To improve the load sharing characteristics of the herringbone power split gear train

a static model that accounts for support stiffness

torsional stiffness

and gear mesh stiffness is construceted. The main factors affecting load sharing characteristics under the influence of errors and varying loads are analyzed. By using Romax software

a finite element simulation model consideres structural features like floating components

flexible elements

and herringbone gears

as well as errors and transmission system deformations

and load sharing coefficients are determined. The isolated impact of factors such as eccentricity error

synchronization angle

elastic shaft torsional stiffness

and herringbone gear symmetry error on load sharing characteristics is examined. Furthermore

utilizing the orthogonal experimental method

the interaction patterns and significance levels of these factors on load sharing characteristics are uncovered. The results show that synchronization angle and herringbone gear symmetry error significantly affect load sharing characteristics

with elastic shaft torsional stiffness being the next most influential factor

and eccentricity error having a noticeable impact. To achieve superior load sharing characteristics

it is recommended to use lower elastic shaft torsional stiffness in design

and employ parameter-matching design methods for the connection between the transmission shaft and gear keyway to reduce synchronization angles.

关键词

两路功率分流轮系人字齿均载特性

Keywords

Dual-path power split gear trainHerringbone toothLoad sharing characteristics

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