可调叶片运动机构的参数化拓扑仿真模型研究

介绍1种在方案设计阶段,基于UG NX的3维设计软件和EXCEL软件的压气机多级静子叶片联调操纵机构的联合设计方法。通过在UG软件的建模模块中构建简单的线条以建立操纵机构的拓扑模型,并将模型输入运动仿真模块中,对整套机构进行运动学仿真计算,跟踪各级传动关节的运动规律,得到仿真数据。将仿真数据在EXCEL软件中进行分析,综合拟合、回归、关联度等数据分析手段,得到特定拓扑模型下的输出规律。在方案设计阶段即可快速建立机构模型并分析影响整套机构运动规律的关键参数,优化设计参数、建立操纵机构调节方程,给后期的工程设计提供基础。经某型燃气轮机多级联调机构的设计实践证明,该方法具有高效敏捷,适应面宽,可借鉴性强的特点。

Parametric Topological Model Study on Adjustment Blade Motion Mechanism

Based on UG NX and Excel software, a design method of multi-cascade adjustment control mechanism for compressor stator blade was introduced in the design phase. The topological model of control mechanism was built and transferred into motion simulation models by simple lines in the UG software model. The simulation data were obtained by kinematics simulation calculating the whole mechanism and tacking the motion law of each cascade transmission joint. The output law in the special topological model was presented by analyzing, synthesis simulating, return and associating the simulation data in Excel software. The mechanism model was quickly built and the key parameters affect the whole mechanism motion law were analyzed in the design phase, and the design parameters were optimized, the control adjustment equations were built, which provide the fundament to the engineering design. The design of a gas turbine multi-cascade adjustment mechanism shows that the method is expeditions, wide adjustment and strong reference.