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新疆大学 机械工程学院, 新疆 乌鲁木齐 830017
章翔峰(1984— ),男,湖北襄阳人,博士,副教授,硕士研究生导师;主要研究方向为齿轮系统动力学、机械故障诊断、信号处理技术等;15276606076@163.com。
尚俊(1998— ),男,河南信阳人,硕士研究生;研究方向为齿轮系统动力学;cheqianzi117@163.com。
纸质出版日期:2023-08-15,
收稿日期:2022-06-09,
修回日期:2022-08-01,
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章翔峰,尚俊,周建星等.细高齿齿轮啮合刚度及动态特性研究[J].机械传动,2023,47(08):30-35.
Zhang Xiangfeng,Shang Jun,Zhou Jianxing,et al.Study on Meshing Stiffness and Dynamic Characteristics of Fine High Tooth Gears[J].Journal of Mechanical Transmission,2023,47(08):30-35.
章翔峰,尚俊,周建星等.细高齿齿轮啮合刚度及动态特性研究[J].机械传动,2023,47(08):30-35. DOI: 10.16578/j.issn.1004.2539.2023.08.005.
Zhang Xiangfeng,Shang Jun,Zhou Jianxing,et al.Study on Meshing Stiffness and Dynamic Characteristics of Fine High Tooth Gears[J].Journal of Mechanical Transmission,2023,47(08):30-35. DOI: 10.16578/j.issn.1004.2539.2023.08.005.
为了研究细高齿齿轮的振动特性,以一对标准齿齿轮和细高齿齿轮为对比研究对象,建立直齿轮传动系统平移-扭转动力学模型;采用有限元方法求解细高齿齿轮的时变啮合刚度,分析了负载对刚度的影响规律;通过Newmark
-β
时间积分法计算齿轮的振动响应,对比标准齿齿轮和细高齿齿轮传动系统的轴承动载荷及齿轮啮合激励,求解了不同转速下两对齿轮系统的输入、输出轴承动载荷。结果表明,细高齿齿轮啮合为两齿-三齿交替接触,刚度变化减弱;轴承动载荷波动幅值较标准齿大幅降低,啮合频率及其倍频幅值明显下降,轮齿间啮合力减小。
In order to study the vibration characteristics of fine high tooth gears
a pair of standard gears and fine high gears are taken as comparative experimental objects
and the translation torsion dynamic model of a spur gear transmission system is established. The finite element method is used to solve the time-varying meshing stiffness of fine high tooth gears
and the influence of load on the stiffness is analyzed. The vibration response of gears is calculated by Newmark-
β
time integration method. The dynamic loads of bearings and gear meshing excitation of standard gears and fine high gear transmission systems are compared
and the dynamic loads of input and output bearings of two pairs of gear systems at different speeds are solved. The results show that the meshing of fine high gears is two-tooth three-tooth alternating contact
and the change of stiffness is weakened. The dynamic load fluctuation amplitude of the bearing is significantly lower than that of the standard tooth
the meshing frequency and its frequency doubling amplitude are significantly reduced
and the meshing force between the teeth is reduced.
细高齿啮合刚度动态特性啮合激励
Fine high toothMeshing stiffnessDynamic characteristicsMeshing excitation
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