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缠绕式提升机钢丝绳横向空间振动的视觉测量方法与试验研究

凡娜娜 杨芳 李济顺 邹声勇

凡娜娜,杨芳,李济顺, 等. 缠绕式提升机钢丝绳横向空间振动的视觉测量方法与试验研究[J]. 机械科学与技术,2020,39(10):1568-1574 doi: 10.13433/j.cnki.1003-8728.20190305
引用本文: 凡娜娜,杨芳,李济顺, 等. 缠绕式提升机钢丝绳横向空间振动的视觉测量方法与试验研究[J]. 机械科学与技术,2020,39(10):1568-1574 doi: 10.13433/j.cnki.1003-8728.20190305
Fan Nana, Yang Fang, Li Jishun, Zou Shengyong. Visual Measurement Method and Experimental Research of Transverse Spatial Vibrations of Rope in Winding Hoist[J]. Mechanical Science and Technology for Aerospace Engineering, 2020, 39(10): 1568-1574. doi: 10.13433/j.cnki.1003-8728.20190305
Citation: Fan Nana, Yang Fang, Li Jishun, Zou Shengyong. Visual Measurement Method and Experimental Research of Transverse Spatial Vibrations of Rope in Winding Hoist[J]. Mechanical Science and Technology for Aerospace Engineering, 2020, 39(10): 1568-1574. doi: 10.13433/j.cnki.1003-8728.20190305

缠绕式提升机钢丝绳横向空间振动的视觉测量方法与试验研究

doi: 10.13433/j.cnki.1003-8728.20190305
基金项目: 国家重点基础研究发展计划(973计划)项目(2014CB049401)与河南省高等学校重点科研项目计划(18A460017)资助
详细信息
    作者简介:

    凡娜娜(1994−),硕士研究生,研究方向为提升机设计与研发,fannana5234@sina.com

    通讯作者:

    杨芳,讲师,博士,yangfanghkd@haust.edu.cn

  • 中图分类号: TP751.1

Visual Measurement Method and Experimental Research of Transverse Spatial Vibrations of Rope in Winding Hoist

  • 摘要: 针对缠绕式提升机悬绳段钢丝绳横向空间振动开展测量方法研究,采用双高速摄像机采集悬绳空间横振的灰度图像,在设置感兴趣区域的基础上,采用自适应阈值设定的小波边缘提取算法,提高钢丝绳轮廓的检测精度,并进行二值化处理,通过矩阵求形心法得到区域内钢丝绳形心位置,并采用经验模态分解法去除钢丝绳排绳位移引起的周期性激励,从而得到了钢丝绳横向空间振动信号。为验证测量方法的正确性,在多绳缠绕式提升系统试验平台上开展试验研究,试验结果表明,研究的视觉检测方法能够快速、准确地实现钢丝绳横向空间振动信号的非接触检测。
  • 图  1  钢丝绳产生横向振动的示意图

    图  2  图像采集系统与钢丝绳之间的位置关系

    图  3  悬绳段钢丝绳横向振动计算原理

    图  4  图像处理流程图

    图  5  提升速度图

    图  6  试验现场图

    图  7  钢丝绳横向空间振动位移波形

    图  8  钢丝绳横向振动位移波形

    图  9  钢丝绳实际横向空间振动位移图

    图  10  钢丝绳横向实际振动波形图

    表  1  实验提升系统配置与实验工况

    参数名称参数值
    提升高度 H/m 36
    提升总载荷/kg 2 500
    卷筒半径Rd/m 0.4
    钢丝绳直径d/mm 10
    钢丝绳杨氏模量E/GPa 125
    横向阻尼比ζ 0.05
    悬绳长度Ls/m 51.8
    过渡区圆心角α/rad 0.37
    钢丝绳缠绕层数n 3
    提升速度V/(m·s−1) 1.4
    提升系统加速度a/(m·s−2) 0.5
    测量点距出绳口距离/m 2.5
    U向比例因子q1/(mm·px−1) 0.590
    W向比例因子q2/(mm·px−1) 0.404
    绳槽形式 对称折线绳槽
    提升状态 提升
    下载: 导出CSV
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  • 被引次数: 0
出版历程
  • 收稿日期:  2019-08-08
  • 网络出版日期:  2020-11-07
  • 刊出日期:  2020-10-05

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