立井多绳摩擦提升系统启动控制方式研究

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英文篇名：Research on start control mode of multi-rope friction hoisting system of vertical shaft 作者：钱壮壮 ; 张安宁 英文作者：QIAN Zhuangzhuang;ZHANG Anning;School of Mechanical Engineering,Anhui University of Science and Technology;Professional Committee of Colliery Mechatronics,China Coal Society; 关键词：立井 ; 多绳摩擦提升系统 ; 启动控制 ; 启动加速度控制曲线 ; 钢丝绳张力 ; 防滑安全性能 英文关键词：vertical shaft;;multi-rope friction hoisting system;;start control;;starting acceleration control curve;;tension of wire rope;;anti-skid safety performance 中文刊名：MKZD 英文刊名：Industry and Mine Automation 机构：安徽理工大学机械工程学院;中国煤炭学会煤矿机电一体化专业委员会; 出版日期：2019-03-29 10:04 出版单位：工矿自动化 年：2019 期：v.45;No.277 基金：安徽省教育厅科学研究重大项目(KJ2015ZD19) 语种：中文; 页：MKZD201904003 页数：6 CN：04 ISSN：32-1627/TP 分类号：16-21

摘要

为了研究不同启动控制方式对立井多绳摩擦提升系统的影响,建立了提升系统数学模型;以某矿主井提升系统为例,确立了矩形、抛物线形、正弦形、三角形和梯形5种不同启动加速度控制曲线;利用Matlab/Simulink对不同启动加速度控制曲线下的钢丝绳动张力变化情况及提升系统防滑安全性能进行了仿真分析。分析结果表明,该矿主井提升系统启动加速阶段采用矩形加速度控制曲线形式,虽然满足防滑要求,但钢丝绳受到的动张力较大;通过对各启动加速度控制曲线的比较发现,对于同一提升系统,在相同的启动加速时间内,合理的梯形加速度控制曲线形式要优于其他加速度控制曲线形式;梯形启动加速度控制曲线的第1段加速度时间的合理取值范围为1～1.5s,在该范围内钢丝绳的受力情况得到改善且满足提升系统的防滑安全要求。
        In order to study influence of different start control modes on multi-rope friction hoisting system of vertical shaft,mathematical model of hoisting system was established.Five different start acceleration control curves including rectangle,parabolic,sinusoidal,triangle and trapezoid were established taking hoisting system of main shaft in a mine as an example.Matlab/Simulink was used to analyze dynamic tension changes of wire rope under different start acceleration control curves and anti-skid safety performance of the system.The results show that the rectangular acceleration control curve adopted in the start-up and acceleration stage of the hoisting system can meet anti-skid requirement,but the dynamic tension of the wire rope is large;Through comparison of the start acceleration control curves,it is found that for the same lifting system,a reasonable trapezoidal acceleration control curve form is superior to other acceleration control curve forms at the same starting and acceleration time;The reasonable value range of acceleration time in the first step of the trapezoidal acceleration control curve is 1-1.5 s,in this range,the force of the wire rope is improved and can meet anti-slip safety requirements of lifting system.

引文

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