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考虑行星架柔性时行星轮传动系统均载特性分析
Authors
徐涛金
许洪斌
黄永平
Publication date
1 January 2016
Publisher
Editorial Office of Journal of Mechanical Transmission
Doi
Cite
Abstract
介绍了SIMPACK中柔性体文件生成流程以及齿轮切片处理原理及相关用途;以某7MW风电齿轮箱为例,在SIMPACK软件中建立其一级行星轮系多体动力学模型;建模过程中将行星架考虑为柔性体,并对齿轮作切片处理,分析行星轮系统在额定输入功率、额定转速工况下行星架变形,以及由于行星架变形造成的齿轮不均载特性。研究发现,当使用精确的行星架三维模型,并考虑行星架柔性时,受齿轮啮合力变化以及齿轮变形的影响,不同行星轮销轴两端行星架变形量不同,总体上输入端扭转变形量大于输出端;并对比行星架变形和齿轮均载系数,发现行星架扭转变形主要影响齿轮齿向不均载系数,对齿间载荷分布影响很小。研究结果可为行星架结构优化设计提供依据
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Last time updated on 05/04/2023