噪声与振动控制

噪声与振动控制 ›› 2019, Vol. 39 ›› Issue (3): 7-10.DOI: 10.3969/j.issn.1006-1355.2019.03.002

• 振动理论与数值解法 • 上一篇    下一篇

风电齿轮箱高速轴圆锥滚子轴承动态特性分析

沈意平，徐默然，唐斌龙，李卉   

  1. ( 湖南科技大学机械设备健康维护湖南省重点实验室，湖南湘潭411201 )
  • 收稿日期:2018-09-13 修回日期:2018-09-27 出版日期:2019-06-18 发布日期:2019-06-18
  • 通讯作者: 沈意平

Dynamic Characteristic Analysis of Conical Roller Bearings of High-speed Shafts ofWind Turbine Gearboxes

  • Received:2018-09-13 Revised:2018-09-27 Online:2019-06-18 Published:2019-06-18

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摘要：

齿轮箱是风电机组故障率最高的部件之一，其中高达50%的故障停机源于高速轴轴承的过早失效。外部变风载激励和齿轮箱内部激励下，高速轴轴承动载增大，将加速高速轴轴承破坏失效。论文以某750kW风电齿轮箱高速轴圆锥滚子轴承为分析对象，采用ADAMS软件建立圆锥滚子轴承的多体动力学仿真分析模型，研究轴向载荷和径向载荷变化对轴承动态响应特性的影响，基于美国Spectra Quest转子实验台开展了圆锥滚子轴承振动响应特性实验，掌握了圆锥滚子轴承的动态接触力与振动响应变化规律，将为风电齿轮箱高速轴圆锥滚子轴承选型与齿轮箱设计提供理论依据。

关键词: 振动与波, 圆锥滚子轴承, 动态响应特性, 多体动力学, 动态接触力

Abstract:

Gearbox is one of the components with the highest failure rate of wind turbine, and up to 50% of the downtime is caused by the premature failure of high-speed shaft bearings. Under variable wind load and gearbox internal excitation, the dynamic load of high speed shaft bearing is increased, which will accelerate the failure of the bearing. Taken the tapered roller bearing of an 750kW wind turbine gearbox as an example, its multibody dynamic model is established by using ADAMS. The effects of the axial and the radial loads on the dynamic characteristics of the tapered roller bearing are investigated, thus the relationship between the dynamic loads and the dynamic contact force is established. The results will provide theoretical bases to select the high-speed bearing and the design of the gearbox.