工程钻机

GCF系列冲击反循环工程钻机的研制

Development of GCF Series of Reverse Circulation Construction Percussive Drill Rig

MD-100型全液压锚固工程钻机新型夹持器的研制

A New Type of Clampers Developed for Hydraulic Anchor Drill MD - 100

G-3工程钻机动力头双通道反循环主轴改装实践

The practice & improvement of unit head dual channel reverse circulation main shaft about G-3 Engineering driller

GY-15型全液压动力头工程钻机的研制

Development of engineering driller of GY-15 type with full-hydraulic dynamic head

介绍了MD-100型全液压锚固工程钻机夹持器的方案设计、结构设计、应用情况。

Overall plan , structure design , and application of clamper on hydraulic anchor drill MD-100 are introduced .

MG-150型锚固钻机是一种机械传动、液压给进、液压提升的动力头式工程钻机。

The anchor rig MG-150 is a kind of engineering rigs with mechanical top driver , hydraulic feeder and elevator .

为保证成孔深度和桩径，选用QJ-250型大口径工程钻机，并改进加强了钻机的性能，提升了钻机的施工能力。

A caliber engineering drilling machine of model QJ-250 is chosen to ensure the depth and diameter of the pile . And the capability of the machine is improved on and strengthened .

自走式正反循环工程钻机的研制及改进

Manufacture and Improvement on Self-propelled Direct and Reverse Circulation Construction Drill

一种新型的工程钻机&XZ-30型斜孔钻机

A New Type Engineering Drill XZ-30 Inclined Shaft Drilling Machine

水井钻机和工程钻机的现状及展望

Present Situation and Prospect of Water Well and Engineering Rigs

工程钻机在沙卵石地区的物探钻井

Geophysical exploration drilling by engineering rig in sand-gravel mixture area

GW-40型大口径全液压履带式工程钻机

GW 40 Large diameter All Hydraulic Crawler Type Drill

工程钻机圆锥滚子轴承的预紧装置

Pre-tightening Device for Taper Roller Bearing of Construction Drill

岩土锚固工程钻机及钻孔机具的配套选型

Selecting and Outfitting of Drilling Rigs and Tools for Rock & Soil Anchored Projects

奇迹2000型全液压履带式工程钻机的研制

Development of Crawler Mounted Hydraulic Drill Miracle 2000

液压传动在工程钻机上的应用

Application of Hydraulic Transmission on Construction Drill Rigs

介绍了奇迹2000型全液压履带式工程钻机的主要结构特点、主要技术参数和工程实践情况。

The structure features , main technique parameters , engineering application cases were introduced .

分析了工程钻机在施工过程中轴承游动间隙对钻机的影响。

The effect of the bearing travel clearance on the drill in the operations is analyzed .

自动降解钻井液在水井钻进中的应用水井钻机和工程钻机的现状及展望

The application of auto-degradated drilling fluid in water well works Present Situation and Prospect of Water Well and Engineering Rigs

工程钻机常采用具有平行四边形机构的起落架。

People usually use parallelogram lifting device for engineering drilling machine to guarantee stability and correct direction of drilling rig during operation .

90年代以来，国内研究制造的大扭矩转盘式工程钻机基本上都采用液压传动方式驱动转盘和卷扬（或提升）系统。

Most rotating chassis and winch ( or hoist ) systems of domestic drill rigs are driven by hydraulic transmission in the 90 's.

文章对KPG－3000型工程钻机的转盘驱动回路、主卷扬驱动回路、钻进系统和控制系统的液压控制原理作了详细论述。

The article gives a detail discussion on the hydraulic principle of drive circuit of rotating chassis and main winch system , drilling and control system .

动力头是工程钻机的核心部件，钻机的回转驱动动力源、加压提升和压气排渣的枢纽。

Power pack is the core of construction drill rigs , the Power source of rotation drive and the key part of pressing / lifting and slag blow-off .

桅杆是工程钻机的重要结构组成部分，桅杆结构设计的优劣、技术性能的好坏和使用寿命的长短，对钻机本体至关重要。

The mast is an important structural part of the rotary drilling rig . The structural design , technical capability and lifetime are essential to the rotary drilling rig .

冲击钻机是一种采用连杆机构或卷扬机带动钢丝绳提升冲击钻具，利用冲击钻具下落的动能产生冲击作用，破碎岩土实现钻进的工程钻机。

Percussive drilling is used to impact rock and soil with the kinetic energy by the falling of percussive bit , which is lifted by a cable driven by a linkage or a hoist .

介绍了GW40型大口径全液压履带式工程钻机的研制情况，技术参数，主要先进技术，以及型式检验与生产试验等情况。

The description is made of the GW 40 large diameter all hydraulic crawler type drill in terms of its development , technical parameters , main advanced technology , version verification , production trial , etc.

国内专业化钎具生产企业应在地质钻具、岩石工程钻机用钻具和向国际钻具币场销筐等方面加强研制和发展，在保证现有市场份额基础上，拓宽产品销售领域。

So specialized bit-producing enterprises at home must strengthen research and development of the bits for geological drills and rock engineering drills to keep current clients and find out more market both at home and abroad .

简要介绍了我国水井钻机和工程钻机现阶段的状况，并通过介绍国外顶驱液压动力头钻机、旋挖钻机的情况，提出水井钻机和工程钻机开发的建议。

The current situation of water well and engineering rigs in China was briefly introduced . After the introduction of foreign hydraulic top driver and rotary rigs , the suggestion deal with the development of water well and engineering rigs was put forward .

工程勘察钻机和砂矿钻机之间具有许多共同之处。

Site investigation drill and placer exploration drill have much in common .

铁路工程地质钻机的现状及发展方向

The present condition and its developing direction of railway engineering geology machines