查询词典 hydraulic shield

Structure design and control method of the cutter body system are the main problems in producing shield driven by hydraulic cylinder directly , in-depth and systemic research about these important probl.

液压缸直接驱动盾构是一种全新的盾构机型，目前国际上和国内还无同类产品出现，因此，液压缸直接驱动盾构的研究，对于发展具有我国自主知识产权的盾构技术无疑具有重要意义。

The paper introduces a mining method of hydraulic powered shield supports on single leg sustain in deeply inclined coal seams with the indication of the support structure,support move locus,roadway layout and mining technology,and the developing direction of this method in future.

介绍一种在大倾角煤层中开采的采煤方法———单腿支撑式柔性掩护支架采煤法，并从支架的结构、支架运行轨迹、巷道布置以及回采工艺等诸方面进行了阐述，提出了该采煤法今后发展的方

Jiangsu Zhongya Heavy Industries Co., Ltd is a professional company engaged in the design, installation, adjustment, repair and maintenance of the shield machine hydraulic system, centralized lubrication, grouting system, mudding system, pneumatic system, water supply and draining system, tail seal system, foam system and pipelines.

江苏重亚重工有限公司是从事盾构液压、集中润滑、注浆、加泥、气动、供排水、盾尾密封、泡沫系统及管路的设计、制造、安装、调试和维修维护的专业公司。

In this design four-bar the position puts against coal powered support ZFS10000/25/45. It consists of canopy, base plate, caving shield, hydraulic legs, front and rear lemniscate bars and so on.

本次设计的四连杆中位放顶煤液压支架ZFS10000/25/45，有顶梁、底座、掩护梁、立柱、前后连杆等几部分组成。

Base on the summarization of the 50 years safety and high efficient coal mining achievements with hydraulic powered shield supports in Huainan coal mines the paper analyzed the rational layout of the gateway,optimized geometric parameters of thecoal mining face,improvement in potential,reform and invonvation,production process control,mien water and mine fire prevention and control,the siutbal conditions for the pseudo inclined coal mining with flexible shild support and other key technologies.

1概况1956年淮南煤矿先后试验了木结构的平板型、撬板形、"く"形、"人"形，钢结构的弧形、弓形、"く"形、"八"形等掩护支架，通过多次工业性试验并对所试验的掩护支架结构进行了一系列改革和完善，终于形成了目前所用的钢结构八字形掩护支架。以单腿支撑式掩护支架为例，八字形掩护支架是由钢梁、钢丝绳、垫板和绳卡、U形螺栓、扁铁、柱托、滑托板等组成。

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。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。