冷轧拉矫机传动系统动力学建模与仿真

doi:10.12068/j.issn.1005-3026.2023.05.009

东北大学学报（自然科学版） ›› 2023, Vol. 44 ›› Issue (5): 674-681.DOI: 10.12068/j.issn.1005-3026.2023.05.009

冷轧拉矫机传动系统动力学建模与仿真

陈兵¹，夏搏然¹，唐晓垒^1,2

(1.北京科技大学机械工程学院，北京100083； 2.天津大学机械工程学院，天津300354)

发布日期:2023-05-24
通讯作者: 陈兵
作者简介:陈兵(1976-)，男，湖北荆州人，北京科技大学副教授.
基金资助:
中央高校基本科研业务费专项资金资助项目(FRF-GF-19-009B).

Dynamic Modeling and Simulation of Transmission System of Cold Rolling Tension Levelers

CHEN Bing¹， XIA Bo-ran¹， TANG Xiao-lei^1,2

1. School of Mechanical Engineering， University of Science and Technology Beijing， Beijing 100083， China; 2. School of Mechanical Engineering， Tianjin University， Tianjin 300354， China.

Published:2023-05-24
Contact: CHEN Bing
About author:-
Supported by:
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摘要/Abstract

摘要： 拉矫机广泛用于现代冶金企业宽幅薄板带连续生产线，其发展面临的核心问题是对布置于矫直机前后的张紧辊组驱动电机功率的优化匹配.围绕此工程需求，基于功率平衡法、键合图法等理论，建立传动系统功率键合图模型，以某现代钢企冷轧板带产线在役差动式拉矫机为案例，研究其功率传递动态特性.结果表明在拉矫传动系统生产不同规格带钢时，差动式拉矫机传动构型在启动初期低转速阶段，主传动电机功率发生波动概率增大，引发构件变形量增加进而导致设备安全服役概率下降，通过现场工业试验计算得到模型的均值绝对百分比误差为9.3%，验证了模型准确性.

关键词: 冷轧；拉矫机；传动系统；功率键合图；逆向路径法

Abstract: Tension levelers are widely used in the continuous production line of wide strips in modern metallurgical enterprises. The core problem of its development is the optimal matching of the power of the drive motor of the tensioning roller group arranged before and after the straightener. Based on the theory of power balance method and bond graph method， the power bond graph model of the transmission system was established. Taking the in-service differential tension straightener for the production line of cold rolling plates in a modern steel company as an example， the dynamic characteristics of power transmission were studied. The results showed that when the tension straightening drive system produces strips of different specifications， the power fluctuation probability of the main transmission motor increases at the early start-up low-speed stage， which leads to the increase of the component deformation and the decrease of the safe service probability of the equipment. The MAPE (mean absolute percentage error) of the model calculated by the field industrial test is 9.3%， which verifies the accuracy of the model.

Key words: cold rolling; tension leveler; transmission system; power bond graph; reverse path method

中图分类号:

TG333.23

陈兵，夏搏然，唐晓垒. 冷轧拉矫机传动系统动力学建模与仿真[J]. 东北大学学报（自然科学版）, 2023, 44(5): 674-681.

CHEN Bing， XIA Bo-ran， TANG Xiao-lei. Dynamic Modeling and Simulation of Transmission System of Cold Rolling Tension Levelers[J]. Journal of Northeastern University(Natural Science), 2023, 44(5): 674-681.

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冷轧拉矫机传动系统动力学建模与仿真

Dynamic Modeling and Simulation of Transmission System of Cold Rolling Tension Levelers

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