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Dynamic Response of Parallel Hoisting System under Drive Deviation between Ropes with Time-Varying Length

机译：随时间变化的绳索间驱动偏差对并联提升系统的动态响应

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摘要

The dynamic responses of parallel hoisting system with time-varying length and rigid guidance under drive deviation are investigated considering tension and torsion characteristics of the ropes. The variable-domain three-node elements of rope are employed and the corresponding differential algebraic equations (DAEs) are derived using Lagrange's equations of the first kind. The slack situation of the rope is considered, and the dynamic equations which are systems of DAEs are transformed to ordinary differential equations (ODEs). The dynamic responses of tension, torsion, and acceleration are analyzed considering radius' error of the drums, which indicates that the drive deviation between ropes can cause large influence on the tension difference and even cause one of the ropes to slack. However, the torsion of the corresponding rope is active. And unreasonable discordance between ropes should be controlled for the design andmanufacture of drum on super deep parallel hoisting system.
机译：考虑绳索的拉力和扭转特性，研究了具有时变长度和刚性导向的平行提升系统在驱动偏差下的动力响应。使用绳索的可变域三节点元素，并使用第一类拉格朗日方程推导相应的微分代数方程（DAE）。考虑绳索的松弛情况，将作为DAE系统的动力学方程式转换为常微分方程（ODE）。考虑到滚筒的半径误差，分析了张力，扭转和加速度的动态响应，这表明绳索之间的驱动偏差会对张力差产生较大影响，甚至导致其中一根绳索松弛。但是，相应绳索的扭转是有效的。对于超深平行提升系统中的滚筒的设计和制造，应控制绳索之间的不合理偏差。

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  • 来源
    《Shock and vibration》 |2017年第1期|6837697.1-6837697.10|共10页
  • 作者

    Cao Guohua; Cai Xiang; Wang Naige; Peng Weihong; Li Jishun;

  • 作者单位

    China Univ Min & Technol, Sch Mechatron Engn, Xuzhou 221116, Peoples R China|China Univ Min & Technol, Jiangsu Key Lab Mine Mech & Elect Equipment, Xuzhou 221116, Peoples R China;

    China Univ Min & Technol, Sch Mechatron Engn, Xuzhou 221116, Peoples R China|China Univ Min & Technol, Jiangsu Key Lab Mine Mech & Elect Equipment, Xuzhou 221116, Peoples R China;

    China Univ Min & Technol, Sch Mechatron Engn, Xuzhou 221116, Peoples R China|China Univ Min & Technol, Jiangsu Key Lab Mine Mech & Elect Equipment, Xuzhou 221116, Peoples R China;

    China Univ Min & Technol, Sch Mech & Civil Engn, Xuzhou 221116, Peoples R China;

    State Key Lab Heavy Min Equipment, Luoyang 471039, Peoples R China;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);
  • 原文格式 PDF
  • 正文语种 eng
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