1.西安工业大学 机电工程学院, 陕西 西安 710021
张颢秦(1995— ),男,陕西西安人,硕士研究生;研究方向为机械传动学。
董皓(1985— ),男,陕西西安人,博士,副教授,博士研究生导师;研究方向为机械传动学。
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张颢秦,董皓,王理邦等.齿面摩擦对船用人字齿轮弯扭轴摆耦合非线性幅频特性的影响[J].机械传动,2022,46(05):9-16.
Zhang Haoqin,Dong Hao,Wang Libang,et al.Effect of Tooth Surface Friction on Bending Torsional Axial Pendular Coupling Nonlinear Amplitude Frequency Characteristic of Marine Herringbone Gear[J].Journal of Mechanical Transmission,2022,46(05):9-16.
张颢秦,董皓,王理邦等.齿面摩擦对船用人字齿轮弯扭轴摆耦合非线性幅频特性的影响[J].机械传动,2022,46(05):9-16. DOI: 10.16578/j.issn.1004.2539.2022.05.002.
Zhang Haoqin,Dong Hao,Wang Libang,et al.Effect of Tooth Surface Friction on Bending Torsional Axial Pendular Coupling Nonlinear Amplitude Frequency Characteristic of Marine Herringbone Gear[J].Journal of Mechanical Transmission,2022,46(05):9-16. DOI: 10.16578/j.issn.1004.2539.2022.05.002.
为了更加精确地分析船用人字齿轮传动系统的非线性幅频特性,综合考虑齿面摩擦、时变啮合刚度、齿侧间隙、综合传动误差、外载激励以及中间轴段与弹性支撑等因素,采用集中质量参数法,建立了24自由度船用人字齿轮传动系统的弯-扭-轴-摆耦合非线性动力学模型,推导了系统的非线性动态微分方程。模型中采用弹流润滑理论,计算了齿面摩擦因数、摩擦力及摩擦力矩;采用Runge-Kutta数值法对微分方程进行求解,获得了齿面摩擦影响下的无量纲频率系统相图及时间历程图,分析了齿面摩擦对系统非线性频响特性的影响。结果表明,齿面摩擦抑制了人字齿轮副沿啮合线方向的振动,但不改变齿轮的啮合状态;在频率0~0.89的低频段及频率1.42~2的高频段,齿面摩擦对振动幅值的阻尼作用不可忽略,在无量纲啮合频率0.95~1.23的非稳态共振区,齿面摩擦的阻尼作用并不明显。为船用人字齿轮减振降噪性能的研究提供了理论依据。
In order to analyze the nonlinear amplitude frequency characteristics of marine herringbone gear transmission system more accurately, the factors such as tooth surface friction, time-varying meshing stiffness, backlash, comprehensive transmission error, external load excitation, intermediate shaft section and elastic support are comprehensively considered, a bending torsional axial pendular nonlinear dynamics model of 24-DOF marine herringbone gear transmission system is established based on the lumped mass parameter method, and the nonlinear dynamic differential equations of the system are derived. In the model, the friction coefficient, friction force and friction moment are calculated by using the elastohydrodynamic lubrication theory. The Runge-Kutta numerical method is used to solve the differential equation. The phase diagram and time history diagram of the non-dimensional frequency system under the influence of tooth surface friction are obtained. The influence of tooth surface friction on the nonlinear frequency response characteristics of the system is analyzed. The results show that the tooth surface friction suppresses the vibration of the herringbone gear pair along the meshing line, but does not change the meshing state of the gear; in different meshing frequency range, low frequency range of 0~0.89 and high frequency range of 1.42~2, the damping effect of tooth surface friction on vibration amplitude cannot be ignored. In the non-stationary resonance range of dimensionless meshing frequency of 0.95~1.23, the damping effect of tooth surface friction is not obvious. It provides a theoretical basis for the study of vibration and noise reduction performance of herringbone gears.
人字齿轮齿面摩擦非线性弯扭轴摆幅频
Herringbone gearTooth surface frictionNonlinearBending torsional axial pendularAmplitude frequency
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