Study on Topological Modification Method Considering Torsional Deformation of Double Planetary Gear Shafts

Chen Xuehui; Pu Mingchun; Gao Ting; Zhang Xudong; Fang Weidong; Li Hao; Liu Wei

doi:10.16578/j.issn.1004.2539.2023.02.002

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Study on Topological Modification Method Considering Torsional Deformation of Double Planetary Gear Shafts

Theory·Research | 更新时间：2023-02-25

- Study on Topological Modification Method Considering Torsional Deformation of Double Planetary Gear Shafts
- Journal of Mechanical Transmission Vol. 47, Issue 2, Pages: 8-14(2023)
- 作者机构：
  
  1.安徽建筑大学机械与电气工程学院，安徽合肥 230601
  2.郑州机械研究所有限公司，河南郑州 450000
  3.合肥波林新材料股份有限公司，安徽合肥 230601
- 作者简介：
- 基金信息：
- DOI：10.16578/j.issn.1004.2539.2023.02.002
  CLC：
- Published：15 February 2023，
  
  Received：22 August 2022，
  
  Revised：31 August 2022，
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陈雪辉,蒲明春,高婷等.考虑双联行星齿轮轴扭转变形的拓扑修形方法研究[J].机械传动,2023,47(02):8-14.

Chen Xuehui,Pu Mingchun,Gao Ting,et al.Study on Topological Modification Method Considering Torsional Deformation of Double Planetary Gear Shafts[J].Journal of Mechanical Transmission,2023,47(02):8-14.
陈雪辉,蒲明春,高婷等.考虑双联行星齿轮轴扭转变形的拓扑修形方法研究[J].机械传动,2023,47(02):8-14. DOI： 10.16578/j.issn.1004.2539.2023.02.002.

Chen Xuehui,Pu Mingchun,Gao Ting,et al.Study on Topological Modification Method Considering Torsional Deformation of Double Planetary Gear Shafts[J].Journal of Mechanical Transmission,2023,47(02):8-14. DOI： 10.16578/j.issn.1004.2539.2023.02.002.

摘要

针对双联行星齿轮轴在载荷作用下产生扭转变形造成行星轮系偏载、轮齿啮合冲击大等问题，提出了考虑双联行星齿轮轴扭转变形的拓扑修形方法。分析了双联行星齿轮轴扭转变形成因及其对轮系均载性能的影响，基于多体齿轮承载接触分析（PLTCA）、齿轮承载接触分析（LTCA）求解了变形下的承载传动误差与齿面载荷分配系数；利用优化智能算法求解了齿面最大修形量条件下的修形参数最优解；对所提方法进行仿真验证。结果表明，本方法能有效降低齿面单位长度载荷与传动误差幅值，一级、二级行星轮齿面单位长度载荷分别下降33.58%、21.35%，传动误差幅值下降77.74%；在减速器载荷试验台上进行实验验证，实验结果与仿真结果一致；各行星轮齿面的磨损情况均大幅改善，较好地解决了NGWN型行星轮系偏载问题，提高了设备传动精度与使用寿命。

Abstract

In order to solve the problems of eccentric load of planetary gear train and large impact of gear teeth meshing caused by torsional deformation of double planetary gear shafts under load

a topological modification method considering torsional deformation of double planetary gear shaft is proposed. The causes of torsional deformation of the double planetary gear shaft and its influence on the load sharing performance of the gear train are analyzed. Based on the multi body gear bearing contact analysis (PLTCA) and the gear bearing contact analysis (LTCA)

the bearing transmission error and the tooth surface load distribution coefficient under the deformation are solved; the optimization intelligent algorithm is used to solve the optimal solution of the modification parameters under the condition of the maximum modification amount of the tooth surface; the simulation results show that the proposed method can effectively reduce the unit length load of the tooth surface and the amplitude of the transmission error. The unit length load of the first and second planetary tooth surfaces is reduced by 33.58% and 21.35% respectively

and the amplitude of the transmission error is reduced by 77.74%; the experimental verification is carried out on the reducer load test-bed

and the experimental results are consistent with the simulation results. The wear condition of the planetary gear surface is greatly improved

the problem of eccentric load of NGWN planetary gear train is better solved

and the transmission accuracy and service life of the equipment are improved.

关键词

双联行星轮扭转变形传动误差三维形貌PLTCA

Keywords

Double planetary gearTorsional deformationTransmission error3D topographyPLTCA

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