两自由度弹性筛面筛分机设计和试验研究  

Design and experiments of elastic screen deck with two degrees of freedom

作　　者：刘初升[1] 赵跃民[1] 

机构地区：[1]中国矿业大学机电与材料工程学院,江苏徐州221008

出　　处：《煤炭学报》2004年第3期364-366,共3页Journal of China Coal Society

基　　金：国家自然科学基金重大研究计划资助项目(90210035);国家杰出青年科学基金资助项目(50025411)

摘　　要：利用弹性筛面筛分理论,分析现有的几种难筛物料筛分机的优点和存在的问题,提出了一种新型双自由度弹性筛面筛分机.研究了该新型双自由度弹性筛面筛分机的动力学模型,给出新型双自由度弹性筛面筛分机的参数设计公式.研究了双自由度弹性筛面筛分机的机械结构形式和零件的参数选取范围,给出模型机的示意图,在GS概率筛基础上设计一种改良的双自由度弹性筛面概率筛———TGS概率筛,最后进行了实验室的半工业性试验.试验结果表明:TGS概率筛具有良好的克服堵孔能力,对处理难筛物料的深度筛分具有较高的筛分效率.The merits and disadvantage of screen machine for difficult-to-screen-material were analyzed by means of elastic screen surface screening theory.A novel two-degree-of-freedom elastic screen surface screen was designed based on elastic screen surface screening theory.The dynamic model and optical parameters of this novel screen was established.The mechanical structure, band of design parameters and modal machine of this novel screen was given.On basis of GS probability screen, an advanced two-degree-of-freedom elastic screen surface probability screen-TGS was designed.The semi-industrial experiment was made.The results of experiment show that TGS probability screen have ability of overcoming blinding aperture, and there are high screening efficiency when it is used for dealing with difficult-to-screen material.

关 键 词：两自由度 弹性筛面 弹性体 半工业性实验 

分 类 号：TD452[矿业工程—矿山机电]