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Dynamic analysis and simulation of four-axis forced synchronizing banana vibrating screen of variable linear trajectory

ISSN号：1003-0794
期刊名称：《煤矿机械》
时间：0
分类：O175.1[理学—数学;理学—基础数学] TU741.3[建筑科学—建筑技术科学]
作者机构：[1]School of Mechanical and Electrical Engineering, China University of Mining and Technology, Xuzhou 221008, China
相关基金：Projects（50574091, 50774084） supported by the National Natural Science Foundation of China; Project（50921001） supported by the Innovative Research Group Science Foundation, China; Project supported by Jiangsu Scientific Researching Fund Project （＂333＂ Project）, China

作者：刘初升[1], 张士民[1], 周海沛[1], 李珺[1], 夏云飞[1], 彭利平[1], 王宏[1]

关键词：运动模拟, 振动筛, 屏幕, 香蕉, 线性, Simulink, 同步, Matlab, four-axis, banana vibrating screen, forced synchronizing, variable linear trajectory, dynamics, simulation

中文摘要：

香蕉颤动的一个新概念当以一个新方法的传统的香蕉颤动屏幕被提出，屏蔽哪个有一样的效果。颤动的动态模型屏幕被建立，当令人激动的力量的行动线没通过屏幕盒子的矩心行动时，它的工作原则被分析。而且，矩心的动态微分方程和屏幕表面被获得。矩心和屏幕表面的运动在 Matlab/Simulink 与设计例子的实际参数被模仿。结果证明振幅不仅从 9.38 ～ 4.10 公里，而且扔的索引和颤动的方向角度有重要减少从 10.49 ～ 4.59，并且从 58.10 有重要减少。推荐价值为和在 30al 作文以内的谎言被 energy-dispe 澄清？？

英文摘要：

A new concept of banana vibrating screen which has the same effect as traditional banana vibrating screen in a new way was put forward. The dynamic model of vibrating screen was established and its working principle was analyzed when the action line of the exciting force did not act through the centroid of screen box. Moreover, the dynamic differential equations of centroid and screen surface were obtained. The motions of centroid and screen surface were simulated with actual parameters of the design example in Matlab/Simulink. The results show that not only the amplitude has a significant decrease from 9.38 to 4.10 mm, but also the throwing index and vibrating direction angle have a significant decrease from 10.49 to 4.59, and from 58.10° to 33.29°, respectively, along the screen surface, which indicates that motion characteristics of vibrating screen are consistent with those of traditional banana vibrating screen only by means of a single angle of screen surface. What＇s more, such banana vibrating screen of variable linear trajectory with greater processing capacity could be obtained by adjusting the relative position of force center and the centroid of screen box properly.