[go: up one dir, main page]

CN101435312B - Multifunctional hammer drill - Google Patents

Multifunctional hammer drill Download PDF

Info

Publication number
CN101435312B
CN101435312B CN 200710048173 CN200710048173A CN101435312B CN 101435312 B CN101435312 B CN 101435312B CN 200710048173 CN200710048173 CN 200710048173 CN 200710048173 A CN200710048173 A CN 200710048173A CN 101435312 B CN101435312 B CN 101435312B
Authority
CN
China
Prior art keywords
mast
power
equipment
pipeline
drilling
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN 200710048173
Other languages
Chinese (zh)
Other versions
CN101435312A (en
Inventor
林坚
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shanghai Jintai Engineering Machinery Co Ltd
Original Assignee
Shanghai Jintai Engineering Machinery Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shanghai Jintai Engineering Machinery Co Ltd filed Critical Shanghai Jintai Engineering Machinery Co Ltd
Priority to CN 200710048173 priority Critical patent/CN101435312B/en
Publication of CN101435312A publication Critical patent/CN101435312A/en
Application granted granted Critical
Publication of CN101435312B publication Critical patent/CN101435312B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Earth Drilling (AREA)

Abstract

The invention relates to a multifunctional percussion drill which is mainly used for drilling into basement rocks, comprising a chassis control chamber, a host machine of a drilling machine and a mast. The mast is provided with a mounting bracket, a wire rope, and an overhead travelling crane and a multilayer hollow sealed telescopic drill rod which are arranged at the top of the mast. The mast body is provided with a deslagging cock and comprises a power device of an impacting device arranged on a chassis, a plurality of pipelines and a pipeline winch fixed on the mast, wherein, the pipelines are communicated with the inner cavity of the drill rod through the winch device and can extend along with the extending of the drill rod; the mast body also comprises at least one power transmitting pipeline communicated with the power device of the impacting device, at least one pollution discharging and deslagging pipeline, one positive pressure maintaining pipeline and a power head arranged on the mast of the drill, wherein, the impacting device communicated with the power transmitting pipeline is connected at the bottom part of the drill rod at the innermost layer by transition joints, and the power head drives the drill rod to force the impacting device to swing for working. The drill can effectively improve the working efficiency, conveniently and fast transform functions, and walk.

Description

A kind of multifunctional hammer drill
Technical field
The present invention relates to underground construction machinery, relate in particular to a kind of to creep into basement rock as main pile foundation construction equipment.
Background technology
In underground construction, usually can run into the hard rock layer, the most commonly usedly creep into one of mode churn is arranged, applicable medium-hard rock only, efficient is extremely low, and power consumption is large, and hole quality is poor, and complex engineering can not be worked; Two rotating disc type or overhead power head drilling machine are arranged, adopt gear wheel or roller cutter bit to creep into, be mainly by rotating and drilling tool (comprises that weight) G cuts rock, complete this work, the rig rotary speed is per minute only severally to be forwarded tens to and turns, and rate of penetration is slow, causes operating efficiency low.And the drilling rod of this rig adopts the segmented flange connect or be threaded, and the non-cutting time that makes a trip is long, and labour intensity is large; Three have to revolve and dig churn and adopt the top pressurization, plus-pressure is limited, generally is applicable to the incompetent bed construction.
Summary of the invention
The present invention is intended to solve that existing all kinds of rigs creep into the hard formation inefficiency, the defective such as waste time and energy, and a kind of multifunctional hammer drill is provided.Multipotency rig of the present invention can effectively be increased work efficiency, and translation function is convenient and swift, and can walk, and can satisfy boring and construction of diaphragm wall.
The present invention is achieved in that a kind of multifunctional hammer drill, it comprises the hydraulic track chassis, this chassis is provided with OPS, drilling machine master and upright mast system, mast is provided with wire rope, and the top is provided with overhead traveling crane, by wire rope and fixed mount jointed rod, the drilling rod bottom is connected with equipment, described drilling rod is the hollow sealing formula telescopic drill rod of multilayer, and the body of rod is provided with deslagging tap and collection slag cylinder, and it also comprises:
The power set of equipment, it is arranged on the chassis and provides power by the power set of drilling machine master;
Some flexible ducts be used for to be wound around the pipeline capstan winch of this pipeline, described capstan winch or be fixed in mast or can be along the mast oscilaltion; Described flexible duct is connected with equipment by capstan arrangement, and can stretch with drilling rod, and described pipeline comprises that the power conveyance conduit of the power set that at least one is communicated with equipment and a malleation keep pipeline;
Unit head, it is arranged in described drilling machine mast system, and with the sleeve pipe driver, creeps in modes such as swinging, turn round, move horizontally with device with control work to follow up with drilling rod;
Depth survey, pressure of the hole in the bottom control device, creep into automaton, they are arranged on drilling machine master;
Described multifunctional hammer drill, described equipment are percussion mechanism, and it is connected to bottom the innermost layer drilling rod by transit joint, and are driven by compressed air or hydraulic oil; Described unit head is swing type, rotary, horizontal movable type unit head.
Described multifunctional hammer drill, described percussion mechanism are hollow-through air dth hammer or one of hydraulic in-the-hole hammer, multi-pieces down hole hammer and non-hollow hammer hole of hollow deslagging.
Described multifunctional hammer drill, described transit joint are gas-water mixer.
Described multifunctional hammer drill, the outermost layer of the described telescopic drill rod of described deslagging tap connection connects the wire rope that suspends drilling rod in midair, and the lower end connects the drilling rod that the hollow rotating joint connects innermost layer, and the upper end is passed the deslagging tap and is walked around overhead traveling crane connection hoist engine.
Described arbitrary multifunctional hammer drill, the power set of described equipment are air compressor machine, and this air compressor machine is placed on main frame, directly supply its power by main frame, adopt gas, electricity, liquid joint control, carry out powershift; Described pipeline mainly comprises the power conveyance conduit that at least one carries the compressed air-driven percussion mechanism, and at least one is communicated with the pipeline that air reverse circulation power is provided in drilling pipe, and at least two are communicated with percussion mechanism to get rid of the pipeline of work return-air.
Described arbitrary multifunctional hammer drill, the fluid pressure drive device that described drilling rig power plant is provided by drilling machine master for hydraulic oil, described down-hole hammer is hydraulic in-the-hole hammer, and described pipeline mainly comprises the pipeline that air reverse circulation power is provided at least one oil inlet pipe, at least one oil return pipe and at least one connection drilling pipe.
Described multifunctional hammer drill, described equipment digs device for revolving, and described unit head is that rotary replacing unit head digs construction technology to revolve.
Described arbitrary multifunctional hammer drill, described OPS and mast system rotatably are connected on the chassis, and the mast system is large gusseted or quadric chain, assembling is convenient rapidly, the correction work position, keep borehole perpendicularity, and can carry out inclined hole and creep into flexibly.During transportation, described mast is flat sleeping shape to meet the transportation standard.
Described arbitrary multifunctional hammer drill, main frame is provided with weight-measuring device, has computer control to impact the operating pressure of equipment, is provided with sounding gear, the kinetic measurement drilling depth.
Equipment of the present invention adopts percussion mechanism, changes Yuan and gets cutting as main drilling method take G, drives impact that air compressor machine or hydraulic system make percussion mechanism, pulverizes rock with drilling machine master; Drilling rod is that hollow is telescopic, can make percussion mechanism strengthen and constantly creep into the excavated hole degree of depth.Impact for improving equipment reliability and application life, percussion mechanism and pipeline form one and seal the operation cycle system; Can make the equipment chamber pressure all the time greater than the equipment external pressure; Set up internal pressure, make external agency can not enter equipment.Drive boring mud with gas lift reverse circulation and pass through the deslagging water tap along the telescopic drill rod inner chamber, get rid of by Residue extraction pipeline; If adopt the air direct circulation, boring mud falls into slag gathering hopper, proposes deslagging behind ground, improves the operating efficiency of creeping into basement rock.Owing to adopting flexible duct and telescopic drill rod can promote extremely easily and transfer the impact equipment, can be issued to rapidly work plane, also can carry in time to ground, fix a breakdown, change equipment, borer chassis of the present invention is rotating caterpillar chassis simultaneously, makes the rig motion flexibly, reduces the input of equipment.
Description of drawings
Below, by reference to the accompanying drawings, further illustrate the present invention:
Fig. 1 is multifunctional drill front view of the present invention;
Fig. 2 is the rig working state schematic representation;
Fig. 3 schematic diagram that to be described capstan winch move in the mast system;
Fig. 4 is the mast system schematic of described parallel-crank mechanism;
Fig. 5 is rig travel position schematic diagram.
The specific embodiment
see also Fig. 1, Fig. 2 and in conjunction with Fig. 3, shown in figure: a kind of multifunctional hammer drill, it comprises hydraulic track chassis 1, chassis 1 is provided with OPS 2, drilling machine master 3 and upright mast system 4, mast system 4 is provided with wire rope 5, the top is provided with overhead traveling crane 6, by wire rope 5 and fixed mount 401 jointed rods 7 that driven by hoist engine, the hollow sealing formula telescopic drill rod that described drilling rod 7 is multilayer, drilling rod 7 bottoms are connected with equipment 12, the body of rod is provided with deslagging tap 8 and connects collection slag cylinder 14 for anti-circulation deslagging or in the bottom for the direct circulation deslagging, it also comprises:
The power set 11 of equipment 12, it is arranged on chassis 1 and by drilling machine master 3 power is provided;
Some flexible ducts 8 and be fixed on the pipeline capstan winch 9 that is used for winding pipeline 8 on mast 4, described capstan winch 9 are fixed in mast system 4 or can be along mast 4 oscilaltions (seeing Fig. 3); Described flexible duct 8 is connected with equipment 11 by capstan winch 9, and can stretch with drilling rod 7; Described flexible duct 8 comprises that at least one is communicated with the power conveyance conduit of drilling rig power plant 7, at least one blowdown Residue extraction pipeline and a malleation and keeps pipeline (failing in figure to show);
Unit head 10, it is arranged in described drilling machine mast system 4, and with the sleeve pipe driver, so that the sleeve pipe drilling follow advances retaining wall and controls equipment 12 and creep in modes such as swinging, turn round, move horizontally.
Equipment 12, it is connected to innermost layer drilling rod 7 bottoms by transit joint 13, and described power conveyance conduit is communicated with equipment 12, and described unit head 10 drives equipments 12.
In one embodiment of the invention, described rig is percussive drill:
Described equipment 12 is percussion mechanism, hollow-through air dth hammer or one of hydraulic in-the-hole hammer, multi-pieces down hole hammer and non-hollow hammer hole as the hollow deslagging, it is connected to innermost layer drilling rod 7 bottoms by transit joint 13 (the present embodiment is gas-water mixer), and is driven by compressed air or hydraulic oil; Described unit head 10 is the swing type unit head.Described deslagging tap 8 connects the outermost layer of described telescopic drill rod 7 with mode of communicating by hollow rotating joint 801, the wire rope 5 that connects suspention drilling rod 7, the drilling rod 7 that this hollow rotating joint 801 connects innermost layer is passed in the lower end, and the upper end is passed deslagging tap 8 and walked around overhead traveling crane 6 connection hoist engines.
Described multifunctional hammer drill, described chassis 1 is caterpillar chassis, described OPS 1 and mast 4 rotatably are connected on chassis 1.
The present embodiment can be taked various power sources, and in one embodiment, the power set 11 of described equipment 12 are air compressor machine, and this air compressor machine is placed on drilling machine master, directly supplies its power by main frame, adopts gas, electricity, liquid joint control, carries out powershift; Described pipeline comprises that mainly 811, one of the power conveyance conduits of a conveying compressed air-driven down-hole hammer are communicated with 812, two, the pipeline that air reverse circulation power is provided in drilling pipes and are communicated with down-hole hammers to get rid of the pipeline (failing in figure to express) of work return-air;
And in another embodiment; The fluid pressure drive device that the power set 11 of described equipment 12 are provided by drilling machine master for hydraulic oil, described down-hole hammer is hydraulic in-the-hole hammer, and described pipeline comprises that mainly an oil inlet pipe 811, oil return pipe 812 and one are communicated with the pipeline (failing in figure to express) that air reverse circulation power is provided in drilling pipe.
When described multifunctional hammer drill is done as rotary drilling rig, only need described equipment 12 transposings are dug device for revolving, described unit head is replaced by the rotary power head and both can have revolved and dig construction technology.
In order to improve speed of application, the various embodiments described above, described OPS 2 and mast system 4 rotatably are connected on hydraulic track chassis 1; For convenient transportation with install, mast system 4 is large gusseted quadric chain or parallel-crank mechanism (seeing Fig. 4), and assembling is convenient rapidly, and the correction work position, keep borehole perpendicularity flexibly, and can carry out the inclined hole construction.During transportation, described mast system 4 is flat sleeping shape to meet transportation standard (seeing also Fig. 5).

Claims (9)

1. multifunctional hammer drill, it comprises the hydraulic track chassis, this chassis is provided with OPS, drilling machine master and upright mast system, mast is provided with wire rope, described mast top is provided with overhead traveling crane, wire rope and the fixed mount jointed rod of this overhead traveling crane by being driven by hoist engine, the drilling rod bottom is connected with equipment, it is characterized in that, described drilling rod is the hollow sealing formula telescopic drill rod of multilayer, the body of rod is provided with the deslagging tap and connects collection slag cylinder for anti-circulation deslagging or in the bottom for the direct circulation deslagging, and described multifunctional hammer drill also comprises:
The power set of equipment, it is arranged on the chassis and provides power by the power set of drilling machine master;
Some flexible ducts and be used for to be wound around the capstan arrangement of this pipeline, described capstan arrangement are fixed in mast system or can be along the mast oscilaltion; Described flexible duct is connected with equipment by capstan arrangement, and can stretch with drilling rod, and described flexible duct comprises that the power conveyance conduit of the power set that at least one is communicated with equipment and at least one malleation keep pipeline;
Unit head, it is arranged in described mast system, and with the sleeve pipe driver, sleeve pipe follows up with drilling rod, controls equipment to swing, to turn round or move horizontally mode and creep into by drilling rod;
Depth measurement device, pressure of the hole in the bottom control device and automaton, they are arranged on drilling machine master.
2. multifunctional hammer drill according to claim 1, is characterized in that, described equipment is percussion mechanism, and it is connected to bottom the innermost layer drilling rod by transit joint, and driven by compressed air or hydraulic oil; Described unit head is the swing type unit head, and equipment and power conveyance conduit form a sealing operation cycle, and the equipment chamber pressure namely guarantees internal positive pressure all the time greater than the equipment external pressure.
3. multifunctional hammer drill according to claim 2, is characterized in that, described percussion mechanism is one of the hollow-through air dth hammer of hollow deslagging, through hydraulic in-the-hole hammer, multi-pieces down hole hammer and non-hollow hammer hole.
4. multifunctional hammer drill according to claim 2, is characterized in that, described transit joint is gas-water mixer.
5. multifunctional hammer drill according to claim 2, it is characterized in that, described deslagging tap connects the outermost layer of described telescopic drill rod, and the drilling rod that the hollow rotating joint connects innermost layer is passed in the wire rope lower end that connects the suspention drilling rod, and the upper end is passed and connected hoist engine after the deslagging tap is crossed overhead traveling crane.
6. multifunctional hammer drill according to claim 3, is characterized in that, the power set of described equipment are air compressor machine, this air compressor machine is placed on drilling machine master, power set by drilling machine master directly supply its power, adopt gas, electricity, liquid joint control, carry out powershift; Described power conveyance conduit comprises that compressed air tunnel that at least one drives down-hole hammer and at least one are communicated with the pipeline that air reverse circulation power is provided in bar, described malleation keeps pipeline to be made of with the pipeline of getting rid of the work return-air at least two connection down-hole hammers, and operation power directly is communicated with equipment by the power conveyance conduit.
7. multifunctional hammer drill according to claim 3, it is characterized in that, the power set of described rig equipment are for being provided the fluid pressure drive device of hydraulic oil by drilling machine master, described down-hole hammer is hydraulic in-the-hole hammer, described power conveyance conduit by at least one oil inlet pipe and at least one oil return pipe consist of, described malleation keeps pipeline to comprise that at least one is communicated with the pipeline that the positive and negative circulation power of air is provided in drilling pipe.
8. multifunctional hammer drill according to claim 1, is characterized in that, described equipment digs device for revolving, and described unit head is that rotary replacing unit head digs construction technology to revolve.
9. 2,3,4,5 or 8 described arbitrary multifunctional hammer drills according to claim 1,, it is characterized in that, described OPS and mast system rotatably are connected on the chassis, the mast system is large gusseted quadric chain or parallel-crank mechanism, to keep vertical or inclined hole creeps into, during transportation, described mast is flat sleeping shape to meet the transportation standard.
CN 200710048173 2007-11-13 2007-11-13 Multifunctional hammer drill Active CN101435312B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 200710048173 CN101435312B (en) 2007-11-13 2007-11-13 Multifunctional hammer drill

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 200710048173 CN101435312B (en) 2007-11-13 2007-11-13 Multifunctional hammer drill

Publications (2)

Publication Number Publication Date
CN101435312A CN101435312A (en) 2009-05-20
CN101435312B true CN101435312B (en) 2013-06-19

Family

ID=40709926

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 200710048173 Active CN101435312B (en) 2007-11-13 2007-11-13 Multifunctional hammer drill

Country Status (1)

Country Link
CN (1) CN101435312B (en)

Families Citing this family (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102155159B (en) * 2010-12-01 2014-04-02 卢丹 Hammer rotating mechanism
CN103046865A (en) * 2011-10-15 2013-04-17 上海金泰工程机械有限公司 Power source conveying device of hydraulic drill
CN102425372B (en) * 2011-12-14 2014-05-14 唐忠盛 Vibrato-drilling type punching drilling rig
CN103161403B (en) * 2011-12-19 2016-07-13 上海金泰工程机械有限公司 The excavator of equipment rotary drilling rig
CN102912791B (en) * 2012-10-15 2015-06-10 中冶交通工程技术有限公司 Construction method of bored pile
CN103114806A (en) * 2013-02-06 2013-05-22 上海中联重科桩工机械有限公司 Rotary drilling rig
CN103244051B (en) * 2013-05-11 2016-04-13 彭桂皎 A kind of combined down-hole hammer drilling tool and pile forming method thereof
CN103321571A (en) * 2013-05-31 2013-09-25 北京市三一重机有限公司 Rotary drilling rig
CN103953279B (en) * 2014-04-30 2016-02-17 西南石油大学 A kind of reciprocating impact down-the-hole hammer drill well tool
CN104196465A (en) * 2014-08-07 2014-12-10 北京恒坤伟业工贸有限公司 Connection mode of down-hole hammer and drill stem generally used in rotary drilling rig and application thereof
CN104295230B (en) * 2014-10-14 2017-02-08 上海金泰工程机械有限公司 Submersible drilling machine
CN104594802B (en) * 2014-12-05 2017-08-11 陶德明 A kind of Combined hydraulic impacts hammer
CN104727744B (en) * 2015-02-26 2017-07-25 徐州徐工基础工程机械有限公司 A kind of rotary drilling rig down-hole hammer Special working device
CN104695854B (en) * 2015-02-26 2017-01-11 徐州徐工基础工程机械有限公司 Rotary drilling rig capable of realizing positive and negative circulation pneumatic down-hole hammer construction method
CN104695855B (en) * 2015-02-26 2017-05-24 徐州徐工基础工程机械有限公司 Power head mechanism of down-hole hammer drill
CN104695882B (en) * 2015-02-26 2017-10-31 徐州徐工基础工程机械有限公司 A kind of pneumatic down-hole hammer triple channel multi-function water tap
CN104879058B (en) * 2015-06-04 2018-04-27 四川吉赛特科技有限公司 A kind of dual-purpose modularization drilling machine of air water
WO2018094546A1 (en) * 2016-11-28 2018-05-31 杨一男 Pile hole cleaning mechanism
CN107060725A (en) * 2017-04-19 2017-08-18 中建路桥集团有限公司 The automation operating system of pile foundation boring impact drill a kind of and apply its impact drill
CN107448137B (en) * 2017-08-18 2023-10-24 新地能源工程技术有限公司 Construction method for rock entering and pore forming of rotary drilling machine
CN108915582B (en) * 2018-10-24 2019-02-05 长沙天和钻具机械有限公司 A kind of drilling machine for rotary digging drill bit and impactor switching construction
CN109989705B (en) * 2019-05-17 2024-02-06 天明(南京)智能装备科技有限公司 Engineering driller capable of efficiently discharging slag
CN112746813B (en) * 2019-10-30 2024-05-03 北京蓝海建设股份有限公司 Telescopic drill rod and multifunctional telescopic high-pressure rotary jet drilling machine
CN111058769B (en) * 2020-03-05 2020-10-16 浙江大学城市学院 Drilling equipment that civil engineering pile foundation used
CN111502541B (en) * 2020-04-03 2022-08-23 乌鲁木齐菲林震源物探钻井有限公司 Full-hydraulic air-water dual-purpose multifunctional crawler drill
CN112196464A (en) * 2020-11-04 2021-01-08 清远中科振宇机械有限公司 Rotary drilling rig and construction method thereof
CN116733365B (en) * 2023-07-17 2024-04-05 北京探矿工程研究所 Impact rotary electric sampling drilling machine suitable for coverage area investigation
CN117248823B (en) * 2023-11-15 2024-01-26 新乡市市政工程处有限公司 Self-propelled multifunctional drilling machine
CN117888816B (en) * 2024-03-14 2024-06-25 福建省新华都工程有限责任公司 Strip mine multi-angle perforation equipment with alignment positioning function

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1458383A (en) * 2003-06-18 2003-11-26 钱奂云 Multifunctional drill machine and its construction method
CN1687539A (en) * 2005-05-25 2005-10-26 石午江 Multifunctional Electric Rotary Drilling Rig
CN1948701A (en) * 2006-10-25 2007-04-18 贺德新 Rotary excavating extruding expanding drilling machine and its working method
CN2926478Y (en) * 2006-06-14 2007-07-25 郑州宇通重工有限公司 Rotary-dug driller
CN200943444Y (en) * 2006-08-21 2007-09-05 内蒙古北方重型汽车股份有限公司 Spiral digging machine

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1458383A (en) * 2003-06-18 2003-11-26 钱奂云 Multifunctional drill machine and its construction method
CN1687539A (en) * 2005-05-25 2005-10-26 石午江 Multifunctional Electric Rotary Drilling Rig
CN2926478Y (en) * 2006-06-14 2007-07-25 郑州宇通重工有限公司 Rotary-dug driller
CN200943444Y (en) * 2006-08-21 2007-09-05 内蒙古北方重型汽车股份有限公司 Spiral digging machine
CN1948701A (en) * 2006-10-25 2007-04-18 贺德新 Rotary excavating extruding expanding drilling machine and its working method

Also Published As

Publication number Publication date
CN101435312A (en) 2009-05-20

Similar Documents

Publication Publication Date Title
CN101435312B (en) Multifunctional hammer drill
CN103089145B (en) Down-the-hole hammer power head of rotary drilling rig and rotary drilling rig
CN104675325B (en) The all-hydraulic down-the-hole rotary impact combined drill of rock-soil layer piling
CN201723151U (en) Downhole excavator
CN104695854B (en) Rotary drilling rig capable of realizing positive and negative circulation pneumatic down-hole hammer construction method
CN104775754B (en) A kind of pole disc type drifter with booms
CN104832082A (en) Pneumatic DTH hammer reverse circulation slagging construction process for rotary drilling rig
CN103114806A (en) Rotary drilling rig
CN204691658U (en) rotary drilling rig down-hole hammer construction special working device
CN104632112A (en) Through-type downhole hammer reverse circulation drilling structure
CN204782754U (en) Double dynamical first all -hydraulic well rig
CN205349223U (en) Drilling equipment for building
CN102003145A (en) Hole driven type horizontal directional drilling reverse circulation hole dilating drill
CN104141455B (en) Drilling rig apparatus and drilling method of drilling rig
CN104727744B (en) A kind of rotary drilling rig down-hole hammer Special working device
CN204728997U (en) The fragmentation of hydraulic rotary drilling rig down-the-hole enters rock and bores
CN104653103A (en) Rock-drilling tool
CN202000342U (en) High air pressure pneumatic impact rock penetrating and inserting device for continuous flight auger
CN103061675A (en) Super-deep hole double-tube drilling directional drilling rig
CN209040760U (en) A kind of digging drills steel sharpener
CN205154009U (en) Anti - pneumatic downhole hammer of circulation digs rig soon
CN204591122U (en) A kind of rock drilling boring bar tool
CN102828692A (en) Pneumatic drilling method for casing pipe type spiral drilling machine
CN206801455U (en) Rock drill
CN101936130A (en) Rotary power head of cutting drill

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant