考虑气氛环境的含间隙断路器传动机构磨损预测

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振动与冲击 ›› 2018, Vol. 37 ›› Issue (18) : 67-72.

论文

刘创，刘宏昭，张磊，李来

作者信息 +

Wear prediction of a circuit breaker transmission mechanism with joint clearances considering the atmosphere environment

LIU Chuang,LIU Hongzhao,ZHANG Lei,LI Lai

Author information +

文章历史 +

摘要

为探究某大型断路器机构系统在SF6中的磨损规律，采用正交试验法，在自主研制的轴-套式摩擦磨损试验机上进行磨损试验，获得了不同工况下的磨损率，并结合神经网络建立了磨损预测模型；考虑运动副间隙的存在，基于非线性弹簧阻尼模型，利用ADAMS软件仿真获得了该传动机构危险关节的动力学参数，并将其作为预测模型的输入信息，对关节的磨损进行了迭代计算。经对比分析，发现磨损深度在轴套表面呈非均匀分布，且试验气氛下关节磨损明显较空气环境中严重。本文研究为断路器机构优化设计、故障诊断提供了理论依据，并为机构动力学参数与运动副磨损相耦合的问题提供了分析方法。

Abstract

To explore the wear law of a circuit breaker mechanism system in SF_6 atmosphere, experiments were done on a self-developed pin-bushing friction and wear tester with the orthogonal test method, and a wear prediction model was established based on the neural network.Considering the clearances in revolute joints, the kinematic parameters were got by using the ADAMS simulation software based on an elastic-damping contact force model, then the trained Elman model was employed to predict the wear of dangerous joints through repeated iteration.It can be seen from analysis that wear occurs seriously in some special areas on the bushing surface, and more seriously in the test atmosphere than in the air.The research provides the theoretical basis for the optimization and fault diagnosis of the circuit breaker mechanism, and also offers a method to analyze the couple phenomena between various kinematic parameters and the joint wear. 

导出引用

刘创，刘宏昭，张磊，李来. 考虑气氛环境的含间隙断路器传动机构磨损预测[J]. 振动与冲击, 2018, 37(18): 67-72

LIU Chuang,LIU Hongzhao,ZHANG Lei,LI Lai. Wear prediction of a circuit breaker transmission mechanism with joint clearances considering the atmosphere environment[J]. Journal of Vibration and Shock, 2018, 37(18): 67-72

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