Elevating conveyor often generates large inertia force during conveying start and stop on screw lift in transverse direction, which serious undermines the stability of the screw and shortens its service life. To solve the problem, finite element analysis software Ansys Workbench is used to analyze start-up process of the screw lift added with guide rod. The analysis results indicate that the guide rod does lighten the impact of conveyor starting on the screw and protects the screw.%升降式输送机在输送启动和停止过程中会产生较大的惯性作用力,作用在丝杠升降机的横向方向上,对丝杠工作的稳定性造成严重影响,缩短丝杠的使用寿命.通过有限元分析软件Ansys Workbench,对增加了导向杆的丝杠升降机的启动过程进行分析.分析结果表明导向杆确实减小了丝杠在输送机启动过程中受到的冲击,对丝杠起到一定保护作用.
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