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浙江大学学报(工学版)
J4  2013, Vol. 47 Issue (8): 1444-1449    DOI: 10.3785/j.issn.1008-973X.2013.08.018
机械工程     
盾构推进液压系统载荷顺应性指标和评价方法
施虎1,2, 杨华勇1, 龚国芳1, 侯典清1
1. 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； 2. 西安交通大学 机械工程学院,陕西 西安 710049
Definition and evaluation method for compliance of thrust hydraulic system for shield tunneling machine
SHI Hu, YANG Hua-yong, GONG Guo-fang, HOU Dian-qing
1. State Key Laboratory of Fluid Power Transmission and Control, Zhejiang University, Hangzhou 310027, China; 2. School of Mechanical Engineering, Xi’an Jiaotong University, Xi’an 710049, China
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摘要：

针对盾构在极端地质环境中掘进时推进液压系统易遭受突变载荷的工程问题,提出盾构推进液压系统突变载荷顺应性的定义及其评价指标.描述推进液压系统突变载荷顺应机理,分析油液体积弹性模量、压力阀、管道及蓄能器4个关键因素对系统顺应性的影响规律.基于顺应指标形成面向特定地质环境的推进液压系统载荷顺应性评价方法,定量评价2类现有典型推进液压系统在给定地质条件下的突变载荷顺应性.结果表明,比例调速阀系统较比例减压阀系统具有更好的突变载荷顺应效果,可将顺应性从1.08提高至1.27.顺应性指标及其评价方法为基于顺应性的推进液压系统设计提供理论依据.
Abstract:

The thrust hydraulic system is likely to suffer from an impact load when the shield tunneling machine is excavating through the unexpected geological stratum. In order to solve this problem, the compliance of a thrust hydraulic system and related evaluating values were proposed. The compliance process of the thrust hydraulic system to sudden load was illustrated. Four influential factors of the system compliance were investigated, including fluid bulk modulus, pressure valve parameters, pipeline length and accumulator volume. The evaluation method of the thrust hydraulic system operating under the specified geological condition was proposed based upon compliance index. A case study was carried out by evaluating the compliance of two typical types of existing thrust hydraulic systems under a given geological condition quantitively. Results showed that the compliance of the system with flow control valve is better than that with pressure reduced valve, and the compliance index is improved from 1.08 to 1.27. The compliance and its evaluation method will be helpful to design a compliance based thrust hydraulic system for shield tunneling machine.
出版日期: 2013-08-01
:  TH 137  
基金资助:

国家“973”重点基础研究发展规划资助项目（2007CB714004）；国家“863”高技术研究发展计划资助项目（2012AA041803）；浙江大学流体动力与机电系统国家重点实验室开放基金资助项目（GZKF-201210）.
通讯作者: 龚国芳,男,教授.     E-mail: gfgong@zju.edu.cn
作者简介: 施虎（1984—）,男,博士,从事电液控制技术研究.E-mail: tigershi@zju.edu.cn
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引用本文:

施虎, 杨华勇, 龚国芳, 侯典清. 盾构推进液压系统载荷顺应性指标和评价方法[J]. J4, 2013, 47(8): 1444-1449.

SHI Hu, YANG Hua-yong, GONG Guo-fang, HOU Dian-qing. Definition and evaluation method for compliance of thrust hydraulic system for shield tunneling machine. J4, 2013, 47(8): 1444-1449.

链接本文:

http://www.zjujournals.com/eng/CN/10.3785/j.issn.1008-973X.2013.08.018    或    http://www.zjujournals.com/eng/CN/Y2013/V47/I8/1444

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