车辆多级行星传动系统扭振特性分析与优化

张强; 李洪武

doi:10.13433/j.cnki.1003-8728.20180193

车辆多级行星传动系统扭振特性分析与优化

doi: 10.13433/j.cnki.1003-8728.20180193

张强^1,2,,
李洪武²

1.
北京理工大学机械与车辆学院, 北京 100081
2.
中国北方车辆研究所车辆传动重点实验室, 北京 100072

基金项目:

国家自然科学基金项目 51375043

车辆传动国家重点实验室基金项目 9140C340101101

河北省科学技术研究青年基金项目 QN2018168

详细信息

作者简介:
张强(1986-), 助理研究员, 博士, 研究方向为坦克装甲车辆行星传动, zhang1986qiang@163.com

中图分类号: TG156
计量
- 文章访问数: 383
- HTML全文浏览量: 72
- PDF下载量: 90
- 被引次数: 0
出版历程
- 收稿日期: 2018-04-07
- 刊出日期: 2019-03-05

Torsional Vibration Analysis and Optimization of Vehicle Multi-stage Planetary Transmission System

Zhang Qiang^{1,2
,},
Li Hongwu²

1.
School of Mechanical and Vehicle Engineering, Beijing Institute of Technology, Beijing 100081, China
2.
Key Laboratory of Vehicle Transmission, China North Vehicle Research Institute, Beijing 100072, China

摘要

摘要: 针对某高速履带车辆七档行星传动系统匹配问题，利用集中质量法建立了等效扭振模型，分析了扭振系统无阻尼自由振动固有频率和振型对转动惯量及刚度的灵敏度。结合行星变速机构的固有特征和内外激励频率，分析了行星变速机构各档位的共振情况，并基于灵敏度分析对扭转模型进行了动力学参数的优化。仿真实验的结果表明，优化后的动力学参数可较好地避免扭转振动。研究结果为进一步分析行星传动系统匹配对扭转振动的影响及改进扭振性能具有一定指导作用。
- 动力学模型 /
- 模态分析 /
- 振动分析 /
- 灵敏度分析 /
- /
- /
Abstract: According to the seven-gear planetary transmission system matching problem of a high-speed tracked vehicle, the equivalent torsional vibration model is established by the concentrated mass method. The natural frequencies of the undamped torsional vibration system and the sensitivity of the vibration mode to the moment of inertia and stiffness are analyzed. Combining with the inherent characteristics of the planetary gear mechanism and the internal and external excitation frequencies, the resonance conditions of each gear of the planetary transmission mechanism are analyzed. Based on the sensitivity analysis, the dynamic parameters of the torsion vibration model are optimized. The simulation results show that the optimized dynamic parameters can avoid torsional resonance better. The results of the study provide some guidance for the further analysis of the matching influence of the planetary transmission system on the torsional vibration and the improvement of torsional vibration performance.
- planetary gear mechanism /
- dynamic models /
- modal analysis /
- vibration analysis /
- sensitivity analysis /
- vehicle /
- simulation

HTML全文

图 1 某七档行星变速机构扭振模型

下载: 全尺寸图片幻灯片

图 2 某七档行星变速机构等效扭振模型

下载: 全尺寸图片幻灯片

图 3 行星变速机构1档的扭振振型图

下载: 全尺寸图片幻灯片

图 4 第三阶固有频率的灵敏度

下载: 全尺寸图片幻灯片

表 1 行星变速机构1档各行星排啮合频率

排数 1排 2排 3排

啮合频率/Hz 1 534.6 982.8 442.2

下载: 导出CSV

表 2 行星变速机构2档各行星排啮合频率

排数 1排 2排 3排

啮合频率/Hz 2 895.7 1 854.5 834.5

下载: 导出CSV

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