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浙江大学学报(工学版)
J4  2011, Vol. 45 Issue (5): 864-868    DOI: 10.3785/j.issn.1008-973X.2011.05.015
机械工程     
盾构刀盘驱动液压系统压力冲击吸收特性分析
滕韬,夏毅敏,杨务滋,谭青
中南大学 机电工程学院,湖南 长沙 410083
Characteristics analysis of pressure impact absorption for
shield cutter head drive hydraulic system
TENG Tao, XIA Yi-min, YANG Wu-zi, TAN Qing
College of Mechanical and Electrical Engineering, Central South University, Changsha 410083, China
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摘要：

针对盾构掘进地层复杂、负载冲击大的工况特点,提出一种基于压力反馈和电液比例控制的新型开式刀盘驱动液压系统.通过对元件模型的线性化处理建立泵-马达-蓄能器系统的动态数学模型,分析蓄能器的引入对于系统固有频率的影响.同时利用AMESim中的液压模块化元件与液压元件自主设计库（HCD）联合建模,对刀盘在不同工况的仿真过程中,通过比例方向阀控制蓄能器的不同工作状态来研究更好的冲击吸收效果.结果表明,在不同的负载剧变所带来的压力冲击下,蓄能器在吸收冲击的同时也影响到了系统的稳定性,可以通过电液比例控制蓄能器的工作状态来更好地适应负载的冲击．
Abstract:

According to the characteristics of the complex boring strata and the large impact of load, and based on pressure feedback and electro-hydraulic proportional control, a new type of open circuit drive hydraulic system of cutter head was proposed in this paper. The pump-motor-accumulator system's dynamic mathematical model was established by linear treatment for the component model. The accumulator's impact on the system's natural frequency was analyzed. At the same time ,the simulation model was built by utilizing hydraulic modular components and hydraulic component design(HCD) in the AMESim. In order to control the working status of the accumulator by the proportional direction valve, the simulation study on the better impact absorption effect was carried out under different working conditions. The results show that the accumulator has also affected the stability of the system when absorbing the pressure impact by the different load drastic changes. It can be improved by the electrohydraulic proportional control of the accumulator's working status to adapt to the load impact．
出版日期: 2011-11-24
:  TH 137  
基金资助:

国家“973”重点基础研究发展计划资助项目（2007CB714002）;湖南省博士后基金资助项目（2009RS3023）;中南大学博士后基金资助项目（743410151）.
通讯作者: 夏毅敏,男,教授,博导.     E-mail: xiaymj@mail.csu.edu.cn
作者简介: 滕韬（1985-），男,贵州铜仁人,硕士生,从事液压传动与控制研究.E-mail:fengxunhen@sina.com.
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引用本文:

滕韬,夏毅敏,杨务滋,谭青. 盾构刀盘驱动液压系统压力冲击吸收特性分析[J]. J4, 2011, 45(5): 864-868.

TENG Tao, XIA Yi-min, YANG Wu-zi, TAN Qing. Characteristics analysis of pressure impact absorption for
shield cutter head drive hydraulic system. J4, 2011, 45(5): 864-868.

链接本文:

https://www.zjujournals.com/eng/CN/10.3785/j.issn.1008-973X.2011.05.015    或    https://www.zjujournals.com/eng/CN/Y2011/V45/I5/864

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