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

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

凡娜娜^{1, 2,},
杨芳^{1, 3, ,},
李济顺^{1, 2, 3},
邹声勇³

1.
河南科技大学机电工程学院，河南洛阳　471003
2.
河南科技大学河南省机械设计及传动系统重点实验室，河南洛阳　471003
3.
矿山重型装备国家重点实验室（中信重工机械股份有限公司），河南洛阳　471039

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
计量
- 文章访问数: 95
- HTML全文浏览量: 16
- PDF下载量: 12
- 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

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

Fan Nana^{1, 2
,},
Yang Fang^{1, 3
, ,},
Li Jishun^{1, 2, 3},
Zou Shengyong³

1.
School of Mechatronics Engineering, Henan University of Science and Technology, He' nan Luoyang 471003, China
2.
Henan Key Laboratory for Machinery Design and Transmission System, Henan University of Science and Technology, He' nan Luoyang 471003, China
3.
State Key Laboratory of Mining Heavy Equipment (CITIC-Heavy Industries Co., Ltd.), He' nan Luoyang 471039, China

摘要

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。
- 缠绕式提升机 /
- 视觉检测 /
- 钢丝绳横振 /
- 试验研究
Abstract: The method of measuring the transverse spatial vibration of wire rope in catenary section of winding hoist is studied, the gray image of that is captured by two high-speed cameras, on the basis of setting region of interest, a wavelet edge extraction algorithm based on adaptive threshold is adopted to improve detection accuracy of wire rope contour and then binarization is conducted, centroid position of rope is obtained by calculating matrix, the empirical mode decomposition method is used to remove the periodic excitation which is caused by the displacement of the wire rope, and then getting the transverse spatial vibration signal of the catenary. In order to verify the correctness of the measurement method, the experimental research is tested on the test platform of multi-rope winding hoisting system. Test results show that the proposed visual measurement method of rope vibration can quickly and accurately realize the non-contact measurement of the transverse spatial vibration signal of the wire rope.
- winding hoist /
- visual detection /
- wire rope transverse vibration /
- experimental research

HTML全文

图 1 钢丝绳产生横向振动的示意图

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图 2 图像采集系统与钢丝绳之间的位置关系

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图 3 悬绳段钢丝绳横向振动计算原理

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图 4 图像处理流程图

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图 5 提升速度图

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图 6 试验现场图

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图 7 钢丝绳横向空间振动位移波形

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图 8 钢丝绳横向振动位移波形

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图 9 钢丝绳实际横向空间振动位移图

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图 10 钢丝绳横向实际振动波形图

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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R_d/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L_s/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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