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浙江大学学报(工学版)  2018, Vol. 52 Issue (2): 233-239    DOI: 10.3785/j.issn.1008-973X.2018.02.004
机械与动力工程     
隧道掘进机支撑推进系统振动特性
夏毅敏1,2, 钱聪2, 李正光2, 梅勇兵2,3
1. 中南大学 高性能复杂制造国家重点实验室, 湖南 长沙 410083;
2. 中南大学 机电工程学院, 湖南 长沙 410083;
3. 中国铁建重工集团有限公司, 湖南 长沙 410100
Vibration characteristics of TBM supporting-thrusting system
XIA Yi-min1,2, QIAN Cong2, LI Zheng-guang2, Mei Yong-bing2,3
1. State Key Laboratory of High Performance Complex Manufacturing, Central South University, Changsha 410083, China;
2. College of Mechanical and Electrical Engineering, Central South University, Changsha 410083, China;
3. China Railway Construction Heavy Industry Co. Ltd., Changsha 410083, China
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摘要:

为了研究全断面隧道掘进机(tunnel boring machine,TBM)支撑推进系统掘进过程中的振动问题,基于多体系统动力学仿真平台,对TBM掘进过程进行动力学仿真研究,得到TBM支撑推进系统各部件的振动加速度,进行时域和频域分析.对比不同方向的加速度有效值和不同部件的加速度有效值,分析TBM支撑推进系统掘进方向的载荷传递规律.结果表明:TBM支撑推进系统的振动以低频为主,其中主梁二振动频率集中在20~30 Hz和46~56 Hz.TBM支撑推进系统的振动集中在掘进方向,主梁二掘进方向加速度最大值达到11.80 m/s2.部件距离刀盘质心越远,振动加速度有效值越小.掘进方向载荷从刀盘传递到主梁一均值减小了42.7%,变化幅度减小了58.3%.对吉林引松工程的TBM进行了振动测试,测试结果一定程度上验证了仿真结果.

Abstract:

The dynamic simulation of TBM tunneling was conducted based on the multi-body system dynamic simulation platform, in order to analyze the vibration problem of the tunnel boring machine (TBM) supporting-thrusting system during tunneling. The vibration accelerations of TBM supporting-thrusting system were obtained and analyzed in time domain and frequency domain. The acceleration root mean square(RMS) in different directions and the acceleration RMS of different components were compared respectively. The load transferring law of TBM supporting-thrusting system was analyzed. Results show that the vibrations of the TBM supporting-thrusting system are mainly low frequency and the vibration frequency of the second main beam is concentrated in the range of 20-30 Hz and 46-56 Hz. The vibration of TBM supporting-thrusting system is mainly concentrated in tunneling direction and the maximum vibration of the second main beam in tunneling direction reaches to 11.80 m/s2. The further the component is away from the centroid of the cutterhead, the smaller is the vibration acceleration RMS. The average input load of the first main beam is 42.7% less than the cutterhead and the amplitude of the input load decreases by 58.3%. The vibration test on the TBM in Songhuajiang water supply project was conducted. The test result verified the simulation results to a certain extent.

收稿日期: 2016-12-25 出版日期: 2018-03-09
CLC:  TB533  
基金资助:

国家“863”高技术研究发展计划资助项目(2012AA041801);国家“973”重点基础研究发展计划资助项目(2013CB035400);湖南省战略新兴产业重大科技攻关项目(2012GK4068);中南大学中央高校基本科研业务费专项资金资助项目(2016zzts303).

作者简介: 夏毅敏(1967-),男,教授,博导,从事大型掘进装备(盾构、TBM)等研究.orcid.org/0000-0001-6174-0377.E-mail:xiaymj@csu.edu.cn
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引用本文:

夏毅敏, 钱聪, 李正光, 梅勇兵. 隧道掘进机支撑推进系统振动特性[J]. 浙江大学学报(工学版), 2018, 52(2): 233-239.

XIA Yi-min, QIAN Cong, LI Zheng-guang, Mei Yong-bing. Vibration characteristics of TBM supporting-thrusting system. JOURNAL OF ZHEJIANG UNIVERSITY (ENGINEERING SCIENCE), 2018, 52(2): 233-239.

链接本文:

http://www.zjujournals.com/eng/CN/10.3785/j.issn.1008-973X.2018.02.004        http://www.zjujournals.com/eng/CN/Y2018/V52/I2/233

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