基于Pro／E的开口机构惯性载荷特性研究

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To study characteristics of inertial loading of shedding mechanism of loom, this study conducts dynamic simulation of shedding mechanism by using mechanism analysis module of Pro/E and analyzes the distribution law of equivalent load of each component part. The research result shows that the equivalent moment of inertia of heald frame, orthogonal connecting rod and drive shaft respectively accounts for 42%, 20. 8% and 8. 2% in the whole shedding mechanism. With the increase of shedding stroke, quality of harness wire and speed of rotation, the driving moment constantly increases. Therefore, selecting an appropriate shedding stroke and using lighter harness wire are two effective ways to reduce driving load.为研究织机开口机构的惯性载荷特性，利用Pro／E的机构分析模块对开口机构进行动态仿真，并分析了各个构件等效载荷的分布规律。研究结果显示：综框、直角连杆和驱动轴的等效转动惯量在整个开口机构中分别占了42％、20．8％和8．2％；随着开口动程、综丝的质量和转速的增加，驱动力矩也不断增大。因此，选择合适的开口动程和使用更轻材质的综丝是降低驱动载荷的两种有效途径。