摘要
齿轮传动是机械传动中普遍采用的传动方式,而冲击载荷是造成其寿命缩短的主要原因。通过建立可控软启动(CST)齿轮箱传动系统虚拟样机三维模型,利用ADAMS对齿轮传动系统进行动力学仿真,研究冲击载荷对齿轮啮合力及其频域特性的影响,获得各级传动角速度和啮合力及其频谱曲线。仿真结果与理论值相近,验证了模型的正确性。冲击载荷使得振动能量增大,对应于其啮合频率处啮合力幅值增大。研究成果为后续考虑冲击载荷作用的齿轮疲劳强度计算提供数据支持。
The gear transmission system is widely adopted in practical applications, while impact load is the main reason that shortens its useful life. First, the 3D virtual prototype of controlled start transmission （CST） gearbox transmission part is created by Pro/E and then imported into ADAMS. The virtual prototype dynamic model of the gear system is systematically analyzed. The influence of impact load on gear mesh and spectral characteristics are studied. Then the dynamic simulation of meshing force and various transmission angular velocities are obtained. The results show a good agreement with the theoretical analysis. Besides, the impact load leads to the increasing of vibration energy and meshing frequency amplitude which enable the data to be used for the subsequent calculation？of gear fatigue strength.
出处
《机械设计与制造》
北大核心
2017年第6期120-122,126,共4页
Machinery Design & Manufacture
基金
2014年度山西省煤基重点科技攻关项目(MJ2014-06)
