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浙江大学学报(工学版)
浙江大学学报(工学版)
机械工程     
基于黏性耦合机理的TBM刀盘脱困特性
廖湘平,龚国芳,彭雄斌,吴伟强
浙江大学 流体动力与机电系统国家重点实验室,浙江 杭州 310027
Jam breakout characteristic of tunnel boring machine based on hydro viscous drive mechanism
LIAO Xiang ping, GONG Guo fang, PENG Xiong bin, WU Wei qiang
State Key Laboratory of Fluid Power Transmission and Control,Zhejiang University,Hangzhou 310027,China
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摘要：

针对全断面硬岩掘进机（TBM）在实际工程应用中的卡机问题,对比分析现有TBM刀盘驱动系统的优缺点,设计基于液体黏性离合器（HVC）的新型TBM刀盘驱动方案,可实现在不增加系统装机功率的前提下提升TBM脱困扭矩.针对TBM脱困过程的发热问题,设计液体黏性离合器的油温冷却系统.根据油膜承载力及湿式离合器模型,构建液体黏性离合器的AMESim模型.基于新型TBM刀盘驱动系统仿真模型,研究黏性耦合作用下的TBM刀盘脱困机理,得到温升、离合器油膜厚度控制因素对TBM脱困性能的影响规律,提出电液比例溢流阀的控制策略.结果表明：通过优化设计油膜厚度控制曲线,可以实现脱困扭矩为2倍额定扭矩,持续时间长达79 s的扭矩曲线,较好地满足TBM脱困对于脱困扭矩大、持续时间长的工程需求.
Abstract:

Tunnel boring machine(TBM) get jammed by hard rock in the process of tunneling, which causes great economic losses to enterprises. According to the analysis of several existing driving system , a new TBM cutter driving system based on the hydroviscous clutch (HVC) was proposed to improve the breakout torque for TBM without increasing the installed power of TBM. An oil cooling system for HVC was designed according to the heating problem analysis during the the process of jam breakout . An AMESim model of HVC was established based on the oil film bearing capacity and wet clutch. On the basis of the simulation model for the new TBM cutter driving system，the jam breakout mechanism of TBM based on hydroviscous drive was investigated, the influence of temperature rising and oil film thickness control method on the jam breakout characteristic of TBM was studied, the optimized control strategy for the proportional relief valve was proposed. Results show that the driving torque can be twice of the load torque and the duration time can last for 79 s by the optimization of oil film thickness curves of HVC, which may properly meet the engineering requirement of large breakout torque with long duration for TBM.
出版日期: 2017-01-14
:  TH 137  
基金资助:

国家“973”重点基础研究发展规划资助项目（2013CB035400）；国家“863”高技术研究发展计划资助项目（2012AA041803）；国家自然科学基金资助项目（51221004）.
通讯作者: 龚国芳，男，教授. ORCID:0000000195538783.     E-mail: gfgong@zju.edu.cn
作者简介: 廖湘平（1982-），男，博士生，从事大型掘进装备电液控制技术等研究.ORCID:0000000332387310. E-mail:520joff@163.com
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引用本文:

廖湘平,龚国芳,彭雄斌,吴伟强. 基于黏性耦合机理的TBM刀盘脱困特性[J]. 浙江大学学报(工学版), 10.3785/j.issn.1008973X.2016.05.013.

LIAO Xiang ping, GONG Guo fang, PENG Xiong bin, WU Wei qiang. Jam breakout characteristic of tunnel boring machine based on hydro viscous drive mechanism. JOURNAL OF ZHEJIANG UNIVERSITY (ENGINEERING SCIENCE), 10.3785/j.issn.1008973X.2016.05.013.

链接本文:

http://www.zjujournals.com/eng/CN/10.3785/j.issn.1008973X.2016.05.013    或    http://www.zjujournals.com/eng/CN/Y2016/V50/I5/902

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