TBM刀盘系统多自由度耦合固有特性及敏感度

doi:10.12068/j.issn.1005-3026.2015.04.020

东北大学学报:自然科学版 ›› 2015, Vol. 36 ›› Issue (4): 546-550.DOI: 10.12068/j.issn.1005-3026.2015.04.020

TBM刀盘系统多自由度耦合固有特性及敏感度

凌静秀¹，孙伟¹，霍军周¹，邓立营²

(1. 大连理工大学机械工程学院，辽宁大连116024; 2. 北方重工集团有限公司，辽宁沈阳110141)

收稿日期:2013-11-08 修回日期:2013-11-08 出版日期:2015-04-15 发布日期:2014-11-07
通讯作者: 凌静秀
作者简介:凌静秀(1985-)，男，浙江温州人，大连理工大学博士研究生；孙伟(1967-)，男，黑龙江哈尔滨人，大连理工大学教授，博士生导师.
基金资助:
国家自然科学基金资助项目(51005033，51375001)；国家重点基础研究发展计划项目(2013CB035400)；辽宁省科技攻关项目(2011220031)；中央高校基本科研业务费专项资金资助项目(DUT13LK14).

Natural Characteristics and Sensitivity of TBM Cutterhead System with Multi-degree-of-freedom Coupling

LING Jing-xiu¹， SUN Wei¹， HUO Jun-zhou¹， DENG Li-ying²

1.School of Mechanical Engineering， Dalian University of Technology， Dalian 116024， China; 2. Northern Heavy Industry Group Co.， Ltd. Shenyang 110141， China.

Received:2013-11-08 Revised:2013-11-08 Online:2015-04-15 Published:2014-11-07
Contact: HUO Jun-zhou
About author:-
Supported by:
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摘要/Abstract

摘要： 综合考虑时变啮合刚度、轴承刚度、综合传递误差、阻尼等影响因素，建立了TBM刀盘系统的平移-扭转-倾覆多自由度耦合动力学模型.基于实际工程项目的刀盘系统参数求解固有频率和振型，并研究系统参数对固有频率的影响及敏感度问题.研究结果表明，刀盘系统低阶固有频率为57和61Hz，对应振型分别为电机和小齿轮的纯扭转振动及刀盘和大齿圈平移倾覆耦合振动，刀盘分体的切向支撑刚度和质量的敏感区间分别为3~4GN/m和19~23t.

关键词: 刀盘系统, 多自由度耦合, 固有特性, 灵敏度, 参数影响

Abstract: A multi-degree-of-freedom coupling dynamic model with translation-rotation-bending directions of a TBM cutterhead system was established with considering time-varying meshing stiffness， bearing stiffness， transmission errors and damping， etc. Based on parameters of an actual project， the natural frequencies and corresponding vibration modes were calculated. The influence of natural frequencies and sensitivities with respect to system parameters were investigated. The results showed that the low natural frequencies are 57 and 61Hz， respectively. The natural vibration modes are pinions-motors rotational mode and translational-overturning coupled mode of cutterhead with inner ring gear correspondingly. Meanwhile， the sensitive range of tangential stiffness about cutterhead pieces is 3~4GN/m and the mass sensitive range is 19~23t， respectively.

Key words: cutterhead system, multi-degree-of-freedom coupling, natural characteristics, sensitivity, parameter influence

中图分类号:

TH113.1

凌静秀，孙伟，霍军周，邓立营. TBM刀盘系统多自由度耦合固有特性及敏感度[J]. 东北大学学报:自然科学版, 2015, 36(4): 546-550.

LING Jing-xiu， SUN Wei， HUO Jun-zhou， DENG Li-ying. Natural Characteristics and Sensitivity of TBM Cutterhead System with Multi-degree-of-freedom Coupling[J]. Journal of Northeastern University Natural Science, 2015, 36(4): 546-550.

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TBM刀盘系统多自由度耦合固有特性及敏感度

Natural Characteristics and Sensitivity of TBM Cutterhead System with Multi-degree-of-freedom Coupling

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