钻机

Construction technology of pile foundation utilizing R-12 loop-free auger drill in No.

介绍了武汉市轨道交通一号线利用R-12型无循环旋挖钻机进行桩基础施工的施工工艺、注意事项以及针对有关问题采取的有效措施，并对桩基础施工投入的主要施工设备进行了组织，以推广R-12型旋挖钻机在工程中的应用。

Drill machine to be placed in a center position in drill explore the equipments, All of other equipmentses is to drill the machine equipment around.

钻机在钻探设备中处于中心地位，其他设备都是围绕钻机配备的。

The 4000 drilling machine is one of the most popular medium-sized drilling machines,most of which apply power units with chain driving boxes.

在我国中型钻机中，4000m钻机是市场拥有量最多的机型之一，其中大部分采用动力机组加链条传动箱方式。

The 4000 drilling machine is one of the most popular medium-sized drilling machines,most of which apply power unit s with chain driving boxes.

在我国中型钻机中，4000m钻机是市场拥有量最多的机型之一，其中大部分采用动力机组加链条传动箱方式。

A self-fastening sealed drill sleeve and drill rod driven by the push force of drilling machine of archor rod features that its drill rod is composed of drill rod body, handle and sealing ring, and its drill sleeve of ZJI-model rubber spring type or ZJII-model spiral spring type consists of fastening sleeve, water nozzle, telescopic sleeve and spring.

本发明涉及一种锚杆钻机给进推力自紧密封钎套和钎杆，属于锚杆支护机械领域一种锚杆钻机在实施湿式钻孔作业中使用的钎套和钎杆。其特点是由钎套和钎杆两组部件组成，钎杆部件由钎杆体、钎柄和密封圈构成；钎套部件有两种结构：ZJI型橡胶弹簧式和ZJII型螺旋弹簧式，其部件由卡套、水嘴、伸缩套、弹簧组成。

When it is to drill a deep hole, the drill may be fixed on a ground wood beam, and then put up the drill tower.

平整场地使钻机安放平稳牢固，当深孔钻进时，可将钻机固定在自备的地木梁上，竖好钻塔。

It's an inevitable tendency to facilitate blast drill with intelligent control systems. Drilling mechanism of Rock Bit and main factors of influencing drilling effects are studied and analyzed synthetically in this thesis.

本文研究了牙轮钻头的破岩机理和影响牙轮穿孔效果的几个主要因素，对牙轮穿孔的几个参数进行了综合分析，同时指出了钻机本身的自动化水平和司机的操作水平也是影响牙轮钻机穿孔效果的一个重要因素。

Three kinds of drilling derricks for drilling a well of 3200 meters are used at present, including tower shape, K shape and A shape.

对在用的3200m钻机的塔型、A型和K型井架抗扭特性进行了分析，以满足正在发展的顶驱钻机的需要。

Through the research on the ANSYS optimization design, the design quality of the drilling machine is improved greatly. It is proved that the capability of water well rig is advanced and operation is reliable by field tests in red beds region. The drilling machine is adaptive to the red beds region , expectably has a wide application foreground .

实践证明，通过ANSYS优化设计，使钻机的设计质量得到很大提高，所研制的轻便水井钻机经现场试验证明：技术性能达到设计要求，机械运转可靠，易搬迁，适应红层地区钻井的特点，具有广阔的市场前景。

The company possesses more than 400 sets of manufacturing facilities including all kinds of metal working facility, riveting, welding facility and heat-treat facility.

主要生产设备400多台，包括各种金加工、铆焊、热处理等精大稀设备，公司设有机械研究所、技术中心和工艺测试中心，检测手段齐全，具有研制、生产各类机械设备的生产能力。2007年底以来，公司制订了长期发展战略，开始研制石油钻机，截止2009年3月底前，公司已完成4000米整套钻机5台，交用户在陕西、内蒙古钻井使用，用户反映良好。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。