推荐回答(1个)
Part I:Elastodynamic analysis of a gear pump.
第一部分:齿轮泵的弹性动力学分析
Part II: Meshing phenomena and simulation results
第二部分:啮合现象与仿真结果
A non-linear lumped kineto-elastodynamic model for the prediction of the dynamic behaviour of external gear pumps is presented.
本文提出一种非线性聚合运动弹性动力学分析模型,可以用于预测描述外部齿轮泵动态特性。
It takes into account the most important phenomena involved in the operation of this kind of machines.
此模型分析时考虑到了此类机械运作中的某些重要现象。
Two main sources of noise and vibration can be considered: pressure and gear meshing.
噪声与振动的两个主要来源可以被视为:压力作用与齿轮啮合。
Fluid pressure distribution on gears, which is time-varying, is computed and included as a resultant external force and torque acting on the gears.
我们将随时间变化的齿轮的液压分布作为计入合外力及力矩作用。
Parametric excitations due to time-varying meshing stiffness, the tooth profile errors (obtained by a metrological analysis), the backlash effects between meshing teeth, the lubricant squeeze and the possibility of tooth contact on both lines of action were also included.
同时也计算到了随时间变化的啮合刚度、齿形误差(由计量分析得到)、齿侧间隙的影响、润滑挤压、以及双方线路轮齿接触概率等因素。
Finally, the torsional stiffness and damping of the driving shaft and the non-linear behaviour of the hydrodynamic journal bearings were also taken into account.
最后,抗扭刚度、主动轴阻尼,和液体动压轴承非线性运转也计入计算中。
Model validation was carried out on the basis of experimental data concerning case accelerations and force reactions.
模型可靠性的确认是根据涉及到加速度与反作用力与实验数据。
The model can be used in order to analyse the pump dynamic behaviour and to identify the effects of modifications in design and operation parameters, in terms of vibration and dynamic forces.
此模型可以用来分析泵的动态行为,也可以检测设计及参数改装的效果,特别是有关振动与动力的特性。
Part I is devoted to the calculation of the gear eccentricity in the steady-state condition as result of the balancing between mean pressure loads, mean meshing force and bearing reactions, while in Part II the meshing phenomena are fully explained and the main simulation results are presented.
本文第一部分着重计算稳态条件下压力负载均值以及啮合力与轴承反力均值的平衡而产生的齿轮偏心。而第二部分详细阐述啮合现象,并给出主要仿真实验结果。
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