万向接轴附加动态弯矩下板带轧机垂扭耦合振动特性研究

侯东晓1,陈善平1,方成1,时培明2,王新刚1

振动与冲击 ›› 2022, Vol. 41 ›› Issue (19) : 48-54.

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振动与冲击 ›› 2022, Vol. 41 ›› Issue (19) : 48-54.
论文

万向接轴附加动态弯矩下板带轧机垂扭耦合振动特性研究

  • 侯东晓1,陈善平1,方成1,时培明2,王新刚1
作者信息 +

Vertical-torsional coupled vibration characteristics of strip mill under additional dynamic bending moment of universal joint shaft

  • HOU Dongxiao1, CHEN Shanping1, FANG Cheng1, SHI Peiming2, WANG Xingang1
Author information +
文章历史 +

摘要

考虑轧机万向接轴倾角产生附加动态弯矩影响,建立了万向接轴倾角影响下板带轧机垂扭耦合振动模型。采用多尺度法得到该轧机耦合系统的主共振幅频方程。并采用奇异性理论分析了该耦合振动系统的分岔特性,得到了系统的转迁集及不同分岔形态的条件。最后采用1780轧机实际参数,分析了接轴倾角、轧制力参数、接轴扭转刚度以及外扰力等对轧机垂直和扭转方向主共振幅频特性的影响,为进一步抑制轧机振动提供理论参考。
关键词:万向接轴倾角;板带轧机;附加动态弯矩;垂扭耦合;主共振

Abstract

Considering the effect of the Angle of universal joint on the additional dynamic bending moment, the vertical torsional coupling vibration model of the lower strip mill affected by the Angle of universal joint was established. The main common amplitude-frequency equation of the rolling mill coupling system is obtained by multi-scale method. The bifurcation characteristics of the coupled vibration system are analyzed by singularity theory, and the transition set of the system and the conditions of different bifurcation forms are obtained. Finally, the actual parameters of 1780 rolling mill were used to analyze the influences of joint Angle, rolling force parameters, joint torsional stiffness and external disturbance force on the main common amplitude and frequency characteristics of the vertical and torsional directions of the rolling mill, so as to provide theoretical reference for further suppressing the vibration of the rolling mill.
Key words: joint angle;Strip rolling mill; additional dynamic moment; vertical-torsional coupled; primary resonance

关键词

万向接轴倾角 / 板带轧机 / 附加动态弯矩 / 垂扭耦合 / 主共振

Key words

joint angle;Strip rolling mill / additional dynamic moment / vertical-torsional coupled / primary resonance

引用本文

导出引用
侯东晓1,陈善平1,方成1,时培明2,王新刚1. 万向接轴附加动态弯矩下板带轧机垂扭耦合振动特性研究[J]. 振动与冲击, 2022, 41(19): 48-54
HOU Dongxiao1, CHEN Shanping1, FANG Cheng1, SHI Peiming2, WANG Xingang1. Vertical-torsional coupled vibration characteristics of strip mill under additional dynamic bending moment of universal joint shaft[J]. Journal of Vibration and Shock, 2022, 41(19): 48-54

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