凸包形仿生包胶驱动滚筒摩擦传动机理的分析 .pdfVIP

学兔兔 煤 炭 工 程 2012年第10期 凸包形仿生包胶驱动滚筒摩擦 传动机理的分析 孙 慧，肖林京，傅舟渔 (山东科技大学，山东青岛 266590) 摘 要：文章推导了摩擦传动过程中带式输送机包胶驱动滚筒所受压力的表达式，得出压力 的大小与输送带张力有关的结论，通过分析输送带的弹性滑动现象，得出其是输送带运行必然存 在的现象，其蠕动速度与围包角成指数关系。分析了凸包形仿生包胶驱动滚筒的增摩机理，并考 虑到压力、速度、表面形貌对橡胶表面摩擦性能的影响，确定了凸包形仿生包胶驱动滚筒与输送 带之间的摩擦系数的表达式，据此推导了新的摩擦传动公式。与传统欧拉公式相比，新的摩擦传 动公式考虑了包胶驱动滚筒与输送带之间摩擦系数的变化。 关键词：仿生包胶驱动滚筒；弹性蠕动；摩擦传动机理；欧拉公式 中图分类号：TD5；Q811 文献标识码：A 文章编号：1671—0959(2012)10-0082-04 Analysis on Frictional Driving Mechanism of Convex Type Bionic Rubber Coated Driving Drum SUN Hui，XIAO Lin—jing，FU Zhou—yu (Shandong University of Science and Technology，Qingdao 266590，China) Abstract：The paper derived the expression of the pressure occurred from the rubber coated driving drum of the belt conveyor during the frictional driving process．A conclusion on the pressure size related to the tension of the conveying belt was obtained． With the analysis on the elasticity sliding phenomenon of the conveying belt，the elasticity sliding phenomenon was the inevitable phenomenon existed in the conveying belt operation and the creep velocity and the wrap angle were in a relationship of index．The paper analyzed the friction increased mechanism of the convex type bionic rubber coated driving drum． In consideration of the pressure，velocity and suYfaec appearance affected to the frictional performances of the rubber surfaee，the expression of the frictional coefficient between the convex type bionic rubber coated