• Finally, based on the theories and methods presented, a new independently-rotated valveless pneumatic rock drill was designed.

    最后本文提供理论方法设计出了一新型无阀气动独立回转凿岩机

    dict.cnki.net

  • Numerical method is proposed for general mechanical impact systems by means of characteristic line theory . Simulation results of hydraulic rock drill are provided .

    应用特征线方法提出一般冲击机械波动力学数值计算方法给出了一液压凿岩机械数值模拟结果

    dict.cnki.net

  • On the basis of theoretical linear model, the paper studies the influence of input flow on operating parameters of shock mechanism for hydraulic rock drill, and a series of brief formulae are derived.

    理想线性模型基础上研究输入流量液压凿岩机冲击机构工作参数影响得到了一简明公式

    dict.cnki.net

  • With its panoramic camera and microscope its rock drill spectrographs and magnetic dust collector the robot will search for clues about the watery past of that desert world.

    利用全景相机显微镜机、光谱摄影机磁力,巡回者号寻找这个荒芜世界过去是否有存在线索

    www.websaru.com

  • Since the process of colliding mechanism of electric rock drill is complex, there isn't a set of calculating method practically still now.

    电动凿岩机冲击机构因其受力过程比较复杂至今尚无可行计算方法

    dict.cnki.net

  • The frame construction, the work flow and the three dimensional modelling method of pneumatic rock drill based on virtual prototype technology were elaborated.

    阐述气动凿岩机虚拟样机设计的框架结构工作流程模型构建方法,并在此基础进行了参数化设计运动仿真的研究。

    www.dictall.com

  • The process, features, performance of infiltrated layer and its application to rock drill of QPQ Combined Salt Bath Treatment Technology are described in the article.

    文章介绍了QPQ复合处理技术工艺方法特点性能凿岩机上应用情况。

    www.chemyq.com

  • Therefore this system is a effective means for developing a hydraulic rock drill.

    因此系统研制液压凿岩机重要辅助手段

    dict.cnki.net

  • The energy loss of the impact mechanism of hydraulic rock drill greatly affects drilling efficiency when it operates.

    液压凿岩机工作冲击机构能量损失对其效率有很大影响

    www.magsci.org

  • This design draft , mainly about the technological process of YTP26 Air-leg Rock Drill, and elabora about the milling machine typical jig design.

    设计主要是对YTP26型气腿式凿岩机机体进行工艺规程的拟订车床铣床典型夹具设计进行全面的阐述。

    www.jxlw163.com

  • What we have done in this paper is of great significance in designing the heavy rock drill to drill deep and large diameter hole.

    孔径凿岩重型液压凿岩机研究与研发打下理论实践基础

    www.fabiao.net

  • The paper, first puts forward a rock drill should not be studied as a single object.

    凿岩系统参数匹配进行研究时,首次从理论上提出凿岩机单独作为研究对象

    dict.cnki.net

  • Under normal circumstances, Drifting in the rock face of the gushing water, in the concentration of multiple drill rock drill before the solids content of at least.

    一般情况下岩石平巷掘进工作面的涌水中凿岩机集中打眼之前固体颗粒含量最少

    blog.sina.com.cn

  • This paper introduces the developing course, technical progress, structural features and application results of rock drill tools for mines.

    综述矿用凿岩钎具发展历程技术进展结构特点应用效果

    www.chemyq.com

  • The invention relates to a handheld electrical tool (1) in particular drill, rock drill or hammer drill.

    发明涉及一种手持式电动工具机(1尤其是钻机、冲击钻机或者

    ip.com

  • Rock drill-ability is the basic parameter to optimize bits, make drilling plan and reduce drilling cost.

    岩石优选钻头制定生产定额以及降低钻井成本基础

    dict.cnki.net

  • A finite elenent analysis of telescopic arm of TR1000 rock drill is made by using the finite element software Ansys8.

    0有限元分析软件为工具,TR1000凿岩机伸缩结构进行有限元分析运用节点自由度耦合技术来模拟各节的连接。

    www.dictall.com

  • In order to enhance the service hfe of hollow steel for rock drill stem, the odd number side section shape hollow steel has been designed.

    为了提高凿岩中空使用寿命设计奇数截面形状中空

    www.chemyq.com

  • In order to adapt the need of loading and unloading drill rod of iron gate-opening machine for large-scale blast furnace, the new change rock drill machine is designed.

    适应大型高炉装卸需要设计开发新型

    www.chemyq.com

  • The results shown that the extruded force is decreased and the die life is increased. The quality of the sleeve which is used in rock drill can meet the needs of design.

    结果表明径向挤压代替反挤压齿,能降低挤压力利于提高模具使用寿命产品质量满足设计要求

    www.chemyq.com

  • The importance of correct lubrication of the rock drill cannot be over-emphasized. In adequate lubrication accelerates wear and can ever lead to breakdown.

    冲击器合理润滑永远不能忽视,否则,会加速冲击器磨损甚至造成破坏

    www.hjgdrill.com

  • For small rotary rock drill bits and rotary prospecting bits to cut soft, medium-hard rock.

    用于中小规格冲击钻旋转勘探钻具,凿进岩层、中硬岩层

    www.tungsten-carbides.com

  • This paper analysed the noise characteristic of pneumatic rock drill stell. Introducing the harness method of pneumatic rock drill stell noise.

    气动凿岩机杆产生噪声特性进行了分析研究介绍噪声治理方法

    dict.cnki.net

  • According to the drive mechanism and the demand of the hydraulic rock drill, the structure character and the designing ways of the impact device, control valve and supporting arm were introduced.

    根据水压凿岩机液压传动原理使用要求详细介绍了凿岩机冲击操纵结构特点设计方法

    www.chemyq.com

  • Leading energy loss of the flow valve in hydraulic rock drill was analyzed and its formula was presented.

    分析了液压凿岩机配油阀主要能量损失给出了计算表达式

    dict.cnki.net

  • This paper designed a new type of muffler for pneumatic rock drill with the theory of impedance.

    利用阻抗消声原理气动凿岩机设计了一种新型消声罩。

    www.dictall.com

  • Our research demonstrate that the drill string vibration is forced vibration, it needs to consider the rock-drill bit-drill string-swivel as the "drill string vibration system";

    研究认为振动一受振动问题,需要井底岩石-钻头--水龙头作为一个“振动系统”来对待;

    www.cea.gov.cn

  • Tunnel in hard rock may be excavated in whole section by using chiseling rock trolley to drill small holes.

    中中隧道采用凿岩台车眼,进行断面开挖

    www.stec.net

  • This is an image of a waste pit for drilling mud; byproducts from these mining operations include rock debris, drill bit lubricants, and possibly residual radioactive material.

    图片所展示工人们在坑中钻探泥浆这些运作留下副产品有大量碎石钻头润滑剂以及放射性物质

    www.go9m.com

  • This is an image of a waste pit for drilling mud; byproducts from these mining operations include rock debris, drill bit lubricants, and possibly residual radioactive material.

    图片所展示工人们在坑中钻探泥浆这些运作留下副产品有大量碎石钻头润滑剂以及放射性物质

    www.go9m.com

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