Planetary Gearbox Vibration Signal Characteristics Analysis and Fault Diagnosis

Planetary Gearbox Vibration Signal Characteristics Analysis and Fault Diagnosis
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行星齿轮箱振动信号特征分析及故障诊断

DOI:
10.1155/2015/126489
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发表时间:
2015-10
影响因子:
1.6
通讯作者:
Qinghua Zhou
Qinghua Zhou
中科院分区:
工程技术4区
文献类型:
--
作者:
Qiang Miao;Qinghua Zhou

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行星齿轮箱广泛应用于直升机、风力涡轮机、矿山机械等。与固定轴齿轮箱相比,行星齿轮箱的结构和运动方式更为复杂,这使得行星齿轮箱的状态监测和故障诊断在实际应用中成为一个具有挑战性的问题。为了了解行星齿轮箱振动的基本性质,本文对单级行星齿轮箱的振动特性进行了研究。假设齿轮箱与传感器以行星载体的速度反向旋转,将问题转化为两个更简单的部分:固定轴齿轮箱信号模型的研究和传感器旋转影响的研究。在此基础上,建立了行星齿轮箱的振动信号模型。用实验数据对模型进行了验证。
Planetary gearboxes are widely used in helicopters, wind turbines, mining machinery, and so forth. The structure and motion type of a planetary gearbox are more complex in comparison with a fixed-shaft one, which makes condition monitoring and fault diagnosis of planetary gearbox a challenging issue in practical applications. In order to understand the fundamental nature of planetary gearbox vibration, this paper conducts an investigation on vibration characteristics of a single-stage planetary gearbox. Assuming that the gearbox and the sensor revolve inversely at the speed of planet carrier, the problem can be transformed into two easier parts: research on fixed-shaft gearbox signal model and research on influence of sensor spinning. Based on this assumption, a vibration signal model of planetary gearbox is obtained. Experimental data are used to validate the model.
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