落地式摩擦提升机建模和振动特性分析

doi:10.3901/JME.2019.12.205

机械工程学报 ›› 2019, Vol. 55 ›› Issue (12): 205-214.doi: 10.3901/JME.2019.12.205

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落地式摩擦提升机建模和振动特性分析

黄家海^1,2, 贺亚彬², 于培², 赵斌^1,2

1. 太原理工大学新型传感器与智能控制教育部重点实验室太原 030024;
2. 太原理工大学机械与运载工程学院太原 030024

收稿日期:2018-09-05 修回日期:2019-05-13 出版日期:2019-06-20 发布日期:2019-06-20
通讯作者: 赵斌(通信作者),男,1981年出生,博士,副教授,硕士研究生导师。主要研究方向为液压元件、电液控制系统和工程机械装备节能。E-mail:zbtyut@126.com
作者简介:黄家海,男,1979年出生,博士。主要研究方向为流体传动与控制和机械冲击动力学。E-mail:huangjiahai@tyut.edu.cn
基金资助:
国家自然科学基金（51775362）、山西省自然科学基金（201701D121077）、山西省重点研发计划（201803D121098）和山西省回国留学人员科研（2017-033）资助项目

Modeling and Vibration Characteristics of Ground Mounted Friction Hoist

HUANG Jiahai^1,2, HE Yabin², YU Pei², ZHAO Bin^1,2

1. Key Laboratory of Advanced Transducers and Intelligent Control System of Ministry of Education, Taiyuan University of Technology, Taiyuan 030024;
2. College of Mechanical and Vehicle Engineering, Taiyuan University of Technology, Taiyuan 030024

Received:2018-09-05 Revised:2019-05-13 Online:2019-06-20 Published:2019-06-20

摘要/Abstract

摘要： 落地式摩擦提升机在制动过程中极易产生振动现象，影响设备的安全运行。有鉴于此，建立较为准确的提升系统动力学仿真模型，对其制动阶段的振动特性进行分析。结果表明无论是正常减速制动还是恒减速紧急制动，纵向振动均是主要振动方式，前者仅在制动末期产生较为明显的纵向振动，且以纵向加速度为0的平衡点作有阻尼衰减振荡，频率只有几赫兹。对于恒减速紧急制动，若钢丝绳未发生打滑，振动曲线在制动过程中将以给定减速度值为平衡点作有阻尼衰减振荡，制动末期系统会先产生一个峰值，然后呈现出与正常制动末期类似的振动特性；否则，纵向振动特征将明显区别于未打滑条件下的振动特征。研究过程中所采用的建模方法可拓展到电梯类提升系统的仿真建模中；摩擦提升机在制动过程中所展现的振动特征可为其运行状态监测提供判断依据。

关键词: 钢丝绳打滑, 紧急制动, 矿井提升机, 提升系统建模, 纵向振动

Abstract: Ground mounted friction mine hoist is prone to vibration during operation, which plays a negative impact on its safety. A more accurate simulation model is established to investigate the vibration characteristics during braking period. The results indicate that longitudinal vibration is the main vibration mode whether it is normal braking or constant-deceleration emergency braking. For the former, the system only shows significant longitudinal vibration at the end of the braking, the vibration curve has a damping attenuation oscillation with 0 m/s2 as the equilibrium point, and the frequency is only a few hertz. For the constant-deceleration emergency braking condition, the vibration curve without rope slip exhibits a damping attenuation oscillation with a given deceleration value as the equilibrium point during the braking process; at the end of the emergency braking, the system will first produce a significant peak, and then exhibit similar vibration characteristics to that of the normal braking. Otherwise, the longitudinal vibration characteristics will be significantly different from that without rope slip. The proposed modeling methodology can be extended to the simulation modeling of other wire rope hoisting system, such as elevator. The vibration characteristics of the friction hoist during the braking process can provide judgment basis for monitoring its operating status.

Key words: emergency braking, hoisting system modeling, longitudinal vibration, mine hoist, wire rope slip

中图分类号:

TD534
TH113

黄家海, 贺亚彬, 于培, 赵斌. 落地式摩擦提升机建模和振动特性分析[J]. 机械工程学报, 2019, 55(12): 205-214.

HUANG Jiahai, HE Yabin, YU Pei, ZHAO Bin. Modeling and Vibration Characteristics of Ground Mounted Friction Hoist[J]. Journal of Mechanical Engineering, 2019, 55(12): 205-214.

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落地式摩擦提升机建模和振动特性分析

Modeling and Vibration Characteristics of Ground Mounted Friction Hoist

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