一种齿轮箱悬挂装置的优化设计
杨超，岳涛，胡伟辉
（株洲时代新材料科技股份有限公司，湖南 株洲 412007）
摘要：随着载荷的增大，现有齿轮箱悬挂装置中的主要承载金属部件的极限强度和疲劳强度安全系数越来越小，其配套弹性支撑的疲劳寿命安全系数也越来越低。本文对齿轮箱悬挂装置的整体结构进行了优化设计，对现有结构和优化结构的整体强度进行了极限工况和疲劳工况仿真分析对比，对现有结构和优化结构的主要金属部件进行了疲劳寿命预测对比，对现有结构和优化结构的弹性支撑进行了疲劳试验对比。最终设计出一种新型的齿轮箱悬挂装置，提高了悬挂装置中主要金属部件的极限和疲劳强度安全系数，提高了配套弹性支撑的疲劳寿命安全系数。
关键词：风力发电机组；齿轮箱悬挂装置；结构优化设计；仿真分析；疲劳预测
中图分类号：TM315 文献标志码：A doi：10.3969/j.issn.1006-0316.2022.01.006
文章编号：1006-0316 (2022) 01-0037-08
Optimization Design of a Gearbox Suspension Device for Wind Turbine
YANG Chao，YUE Tao，HU Weihui
( Zhuzhou Times New Material Technology Co., Ltd., Zhuzhou 412007, China )
Abstract：With the increase of the load, the ultimate strength and fatigue strength safety factor of the main bearing metal parts in the existing gearbox suspension device decreases, and the fatigue life safety factor of the elastic support also gets lower. In this paper, the structure of the gearbox suspension device is optimized, the overall strength of the existing structure and the optimized structure on the extreme condition and fatigue condition are compared by simulation analysis, the fatigue life of the main metal parts of the existing structure and the optimized structure are compared according to the FKM standard, and the elastic support of the existing structure and the optimized structure are compared by the fatigue test. Finally, a new type of gearbox suspension device is designed, which improves the extreme and fatigue strength safety factor of the main metal parts in the gearbox suspension device, and the fatigue life safety factor of the elastic support.
Key words：wind turbine；gearbox suspension device；structure optimization design；simulation analysis； fatigue life prediction
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收稿日期：2021-03-31
作者简介：杨超（1988－），男，湖南怀化人，工程师，主要从事风力发电机组减振器的研制工作，E-mail：yangchao2@csrzic.com。
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