Study on reliability of shearer permanent magnet semi-direct drive gear transmission system
Study on reliability of shearer permanent magnet semi-direct drive gear transmission system
复制标题
采煤机永磁半直驱齿轮传动系统可靠性研究
DOI：
10.1016/j.ijfatigue.2019.105387
复制
发表时间：
2020-03-01
影响因子：
6
通讯作者：
Li, Min
中科院分区：
文献类型：
--
作者：
Chen, Jiajun;Li, Wei;Li, Min
以采煤机永磁半直接驱动截割传动系统为研究对象，建立了系统的非线性动力学模型，并采用龙格-库塔法进行了求解。采用雨流计数法对齿轮应力进行统计处理，建立了八阶段随机加载模型。结合非线性疲劳损伤理论，通过修正的应力-强度干涉模型对齿轮的动态可靠性进行了预测。最后，进一步研究了一些参数对齿轮可靠性的影响，为采煤机截割部齿轮的可靠性优化提供了参考。
The permanent magnet semi-direct drive cutting transmission system of shearer is taken as the research object, the non-linear dynamic model of the system is established and the Runge-Kutta method is used to solve it. The statistical processing is carried out to gear stress by rain-flow counting method, and an eight-stage random loading model is established. Combining the nonlinear fatigue damage theory, the dynamic reliability of gear is predicted through the modified stress-strength interference model. Finally, the influence of some parameters on gear reliability is further studied, which provides a reference for the reliability optimization of gear in shearer cutting unit.