基于Pro/E的发动机曲柄滑块机构运动仿真分析

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The crank slider mechanism model of engine piston is built based on Pro/E software. The motion simulation is made for the mechanism, the displacement, speed and acceleration curves of slider in the motor process are extracted, the out- put change rules of physical quantity in the process of movement of the slider are analyzed, and the simulation result is con- trasted with the mathematical analysis result, the theoretical analysis is agree with the simulation results. This design method is visualization, accurate and efficient, and has definite engineering application value.运用Pro/E软件创建了发动机活塞的曲柄滑块机构模型,对该机构进行运动仿真,提取运动过程中滑块的位移、速度、加速度变化曲线,分析了滑块在运动过程中各物理量的输出变化规律,并将仿真结果和基于数学分析的结果进行对比,理论分析与模拟结果吻合。该种设计方法可视化强,精确、高效,具有一定的工程应用价值。