1. A kind of CAT hydraulic test rig has been developed in this dissertation. It is used for the experiment and test of valves for coal mining shield support for Zhengzhou Coal Mining Machinery Group.
本文研制了一种CAT液压试验台装置，用于对郑州煤机集团公司所生产的煤矿液压支架用阀进行综合性能测试。
2. A hydraulic drive system of cutter head in shield tunneling machine was designed, which is open type hydraulic system and controlled in open-ring.
设计了一个盾构掘进机的刀盘驱动液压系统，该系统是开式液压系统，应用电液比例控制技术实现了泵排量实时调节。
3. This paper is targeted to the design and manufacture of hydraulic support base boring machine and a shield.
有针对性地设计制造了液压支架的底座镗孔机和掩护梁镗孔机。
4. From the perspective of the improvement of the purity of the hydraulic oil, a centrifugal oil purifier is introduced and by-pass circulation purification is carried out at the most critical place where the oil tank of the shield machine is.
从提高液压油的清洁度入手，采用离心式净油机，在盾构机最关键的油箱位置，进行旁路循环净化，经过2个月的实际运行，液压油的清洁度得到了明显提高，液压系统保持稳定，液压油、滤芯消耗大幅度降低，效果显著，这项技术改造对于类似盾构机液压系统的设备改造具有借鉴意义。
5. A thrust hydraulic system of shield tunnelling machine integration of pressure and flow control was designed.
摘 要：设计了一种基于压力流量复合控制的盾构推进液压系统。
6. A thrust hydraulic system of shield tunnelling machine was introduced.
阐述了盾构推进液压系统工作原理。
7. danci.edu.pub
7. The hydraulic shield tunneling monitoring system is developed with Kingview software.
采用组态王软件对盾构液压监控系统进行了组态开发，详细介绍了人机界面的开发以及监控系统的数据存储与显示。
8. The control to the hydraulic shield tunneling system is realized with PLC based on CC-link Profibus, and the control strategy is analyzed as well.
利用基于CC-Link现场总线的PLC控制实现了盾构液压系统的控制功能，同时对盾构液压系统PLC控制策略进行了分析。
9. Thrust hydraulic system and screw conveyor hydraulic system of shield tunnelling machine were designed with electro-hydraulic proportional control technology.
采用电液比例控制技术对盾构掘进机推进液压系统和螺旋输送机液压系统进行了集成设计。
10. A thrust hydraulic system of shield tunnelling machine with pressure and flow compound control was designed using electro-hydraulic proportional control technology.
采用电液比例控制技术设计了一种基于压力流量复合控制的盾构推进液压系统。
11. 公共查询·英语单词
11. In the first, the length of every poleof the leading four-bar mechanism are determined bypainting, secondly, the base of mechanic model ofsupport-surrounding, the mechanism and loads on the support isdecided. The next work, with the condition of the design, the mainmechanics of hydraulic support is analyzed and calculated by planeand spatial model. Finally, the under frame, top beam cave shield, wrists and hydraulic column are analyzed by calculation. And drawout all the process drawings.
首先，通过作图确定支架的四连杆机构各杆系的长度；然后，以力学模型为依据，分析了液压支架的顶梁、掩护梁上载荷的作用机理，得到了较为合理的支架载荷的计算公式；其次，结合设计的支架，从平面和空间两方面对支架主要结构件进行受力分析；最后对支架主要结构件、连接销轴进行强度效核，并画出所有的机械图。
12. 公共查询·英语单词
12. In this paper, the model for thrust hydraulic system of shield tunneling machines was established and analyzed by simulated, lying on simply the thrust load of those machines.
以后通过大量工程实践和技术改进，使土压平衡盾构技术日趋完善，在技术和经济方面取得良好效果，得到了广泛应用[1]。
13. It is a set of larger-sized and multifunction experimental platform including the simulating shield machine, combined hydraulic loading system, monitoring measuring system and opening airproof system.
它是一套大型、多功能的试验平台，包括模拟盾构机、组合式液压加载系统、监控测量系统、洞门密封系统等部分。
14. hydraulic shield
14. Characteristics and Prevention Technology of Spontaneous Combustion in Goaf Area of False Dip Longwall Mining Face with Flexible Hydraulic Powered Shield Support
伪倾斜柔性掩护支架工作面采空区自然发火特点及防治技术
15. The test showed that the fluid power system controlled the speed of the cutter head of the shield tunneling machine proportionally and the hydraulic drive system can be recomposed, it is an advanced and reliable system.
试验表明，该系统实现了刀盘转速的电液比例控制和系统重组，具有技术先进、性能可靠等特点。
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16. Hydraulic support is the main equipment of secure guarantee under mine, the shield support is massive uses frame.
液压支架是煤矿井下安全支护的主要设备，掩护式液压支架是综采工作面大量使用的架型之一。
17. Aiming at the design requirements of shield tunnelling machine for simulator test rig, hydraulic systems of shield were designed and manufactured by applying electro-hydraulic proportional control technology, which included thrust hydraulic system, screw conveyor hydraulic system and cutting wheel drive hydraulic system.
针对盾构掘进机模拟试验台的设计要求，采用电液比例控制技术设计制造了盾构掘进机液压系统，包括推进液压系统，螺旋输送机液压系统以及刀盘驱动液压系统。
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18. Standing shield hydraulic support can control the subsidence, rupture and inbreak of the stope roof, and assure the integrity of the roof and necessary extraction space.
支撑掩护式支架是以支撑为主，掩护为辅的液压支架，用来控制采场顶板下沉断裂及冒落，保证控顶距内顶板完整和必要的回采空间。
19. Hydraulic Drive and Control System of Shield Screw Conveyor
盾构螺旋输送机液压驱动及控制系统
20. Beside on the overall analysis of used hydraulic powered shield supports mining face accident of casualties in Huainan mining group company 1988~2002 year, The basic concern situation and analysis and chide by model accident of casualties, The put forward prevention measure.
对淮南矿业集团伪倾斜柔性掩护支架采煤工作面1988～2002年间发生的伤亡事故进行了全面的分析研究，并在此基础上，论述了典型伤亡事故的相关情况、原因及其教训，提出了防范措施。