WO2012044127A2 - 헤드부를 갖는 천공장치 - Google Patents
헤드부를 갖는 천공장치 Download PDFInfo
- Publication number
- WO2012044127A2 WO2012044127A2 PCT/KR2011/007283 KR2011007283W WO2012044127A2 WO 2012044127 A2 WO2012044127 A2 WO 2012044127A2 KR 2011007283 W KR2011007283 W KR 2011007283W WO 2012044127 A2 WO2012044127 A2 WO 2012044127A2
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- drive shaft
- rod
- drilling
- screw coupling
- screw
- Prior art date
Links
- 238000004080 punching Methods 0.000 title abstract 8
- 238000010168 coupling process Methods 0.000 claims abstract description 50
- 238000005859 coupling reaction Methods 0.000 claims abstract description 50
- 230000008878 coupling Effects 0.000 claims abstract description 49
- 238000000034 method Methods 0.000 claims abstract description 6
- 238000005553 drilling Methods 0.000 claims description 53
- 230000007423 decrease Effects 0.000 claims description 3
- 230000001939 inductive effect Effects 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims description 2
- 230000006698 induction Effects 0.000 abstract 1
- 239000004744 fabric Substances 0.000 description 7
- 239000002689 soil Substances 0.000 description 2
- 229910052571 earthenware Inorganic materials 0.000 description 1
- 239000003673 groundwater Substances 0.000 description 1
- 239000010720 hydraulic oil Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B6/00—Drives for drilling with combined rotary and percussive action
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D7/00—Methods or apparatus for placing sheet pile bulkheads, piles, mouldpipes, or other moulds
- E02D7/26—Placing by using several means simultaneously
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
- E21B17/02—Couplings; joints
- E21B17/03—Couplings; joints between drilling rod or pipe and drill motor or surface drive, e.g. between drilling rod and hammer
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B7/00—Special methods or apparatus for drilling
- E21B7/20—Driving or forcing casings or pipes into boreholes, e.g. sinking; Simultaneously drilling and casing boreholes
Definitions
- the present invention relates to a perforation device, and more particularly, to a perforation device having a head portion that is easy to engage and detach the rod and the drive shaft provided in the head during perforation by a bit.
- the drilling mill for drilling deep holes drilled from the ground to the ground for drilling work, soil inspection, ground water development, and the like is performed by rotating the rod with the bit installed, and rotating the rod with the bit or the cutter installed. To hit the bit or cutter.
- the posted fabric mill is coupled to the main body equipped with a main drive device such as an engine, a leader supported by the main body, a head part sliding along the leader and providing a lift and rotational force by the drive device, It consists of a rod which is lifted or rotated by the head, and a drilling unit provided at the tip of the rod to lift or rotate with the rod and drill the ground.
- a main drive device such as an engine
- a leader supported by the main body
- a head part sliding along the leader and providing a lift and rotational force by the drive device
- It consists of a rod which is lifted or rotated by the head, and a drilling unit provided at the tip of the rod to lift or rotate with the rod and drill the ground.
- the drilling unit consists of a bit that strikes and drills the ground, and a hydraulic hammer or pneumatic hammer that is hydraulically operated to impart a striking force to the bit.
- the mill factory is to perform the drilling operation to a certain depth by the bit of the drilling unit hitting the rotation or the ground.
- the drilling operation should be performed while connecting the unit rods so that the drilling operation can be performed more deeply by the drilling unit.
- Connection of the unit rod should be separated from the drive shaft of the head unit and the unit rod for performing the drilling operation, and the unit rod to be connected to the drive shaft and the unit rod performing the drilling operation.
- the present invention is to solve the problems described above, it is an object of the present invention to provide a fabric mill having a head portion that can be easily coupled and separated from the drive shaft of the head unit and the unit rod during drilling to increase the efficiency of the drilling operation. .
- Another object of the present invention is to provide a perforator having a head portion capable of coupling the drive shaft and the unit rod according to the diameter of the unit rod coupled to the drive shaft.
- a head portion having a drilling device main body, a lead supported by the drilling device main body, a drive shaft slidably mounted to the lead and connected to a unit rod for drilling, and an actuator for driving the drive shaft,
- the drive shaft is formed on the outer circumferential surface is formed with a screw coupling portion for screwing the end of the unit rod for performing the drilling operation, the screw coupling portion of the unit rod formed in the hollow portion of the unit rod end on the front end side of the screw coupling portion and It is characterized in that the screw coupling guide portion is formed to guide the drive shaft to be made smoothly.
- the outer peripheral surface of the upper end side of the screw coupling portion of the drive shaft is provided with a stopper for preventing the rise of the unit rod due to the screw coupling.
- the drive shaft is bearing-supported to the main body of the head portion rotatably installed and exposed to the lower end of the head portion main body;
- a screw coupling portion coaxially with the first driving shaft and screwed with an end of a unit rod for performing a drilling operation, and a rod screw coupling portion formed at a hollow portion of the unit rod end at a front end side of the screw coupling portion;
- a second driving shaft having a screwing inducing part for guiding the screwing of the driving shaft smoothly.
- Cloth mill having a head unit according to the present invention can easily increase the work efficiency according to the combination of the unit rod and the drive shaft when drilling.
- FIG. 1 is a side view of a drilling device having a head portion according to the present invention
- FIG. 2 is a cross-sectional view of the head portion of the perforator having a head portion according to the present invention
- FIG. 3 is a perspective view showing an extract of a drive shaft according to the present invention.
- FIGS. 4 and 5 are a perspective view showing another embodiment of a drive shaft according to the present invention.
- Figure 6 is a perspective view showing a coupling state of the drive shaft and the unit rod.
- the mill factory according to the present invention can be easily coupled to the drive shaft of the unit rod and the head during the drilling of the underground hole, an embodiment is shown in Figures 1 to 5.
- the drilling device 100 having a head portion of the lead 20 is supported by the drilling device main body 10, of the unit rods 70 slidably installed on the lead and coupled to each other for drilling;
- the head portion 30 having a drive shaft 40 connected to the unit rod located at the top, an actuator (not shown) for driving the drive shaft 40, and the drive shaft 40 are installed on the ground when bored. It is provided with a support pipe 200 for preventing the earth and sand on the two holes to be broken by collapse.
- the head part 30 which is slidably installed along the lead 20 has a separate driving part (not shown, a sprocket installed on upper and lower parts of the lead, and a chain caught by the sprocket and having one side fixed to the head part). And a hydraulic motor for driving one of the sprockets. And the main body 31 of the head portion 30 is provided with a hydraulic motor 33 for driving the drive shaft 40 rotatably supported by the bearing 32 as shown in FIG.
- the hydraulic motor 33 may be driven by receiving hydraulic oil supplied to the hydraulic supply system installed in the drilling device main body 10.
- the drive shaft 40 is formed on the outer circumferential surface of the screw engaging portion 41 is screwed with the end of the unit rod 70 for performing the drilling operation, the screw coupling On the front end side of the part 41, a screw coupling guide portion 42 which guides the rod screw coupling portion 73 formed in the hollow portion 70a of the end of the unit rod 70 and the drive shaft to be smoothly formed. Is formed.
- a stopper part 43 is formed on an outer circumferential surface of the upper end of the drive shaft 40 to which the screw coupling part ends, thereby preventing the screw coupling part 41 and the unit rod 70 screwed in rotation from being damaged while rotating.
- the stopper part 43 may be formed of a protrusion formed along the outer circumferential surface of the driving shaft 40, but is not limited thereto.
- the screw coupling guide portion 42 may be formed in a tapered structure toward the upper direction from the end. That is, the end diameter of the screw coupling guide portion 42 is formed smaller than the diameter of the drive shaft 40.
- the outer circumferential surface of at least one side of the screw coupling portion 41 or the screw coupling guide portion 42 has smooth surfaces 45 and 46 symmetrical with respect to the center of the drive shaft. The smooth surfaces 45 and 46 are for engaging and separating the second driving shaft with respect to the first driving shaft when the driving shaft is formed of the first and second driving shafts described later.
- Figure 4 shows another embodiment of the drilling head head drive shaft according to the present invention.
- the head drive shaft 50 is rotatably installed by being supported by a bearing 32 on the main body 31 of the head, and the first drive shaft 51 and the end portion exposed to the lower end of the head main body 31.
- the second driving shaft 55 is coupled to the first driving shaft 51.
- the first driving shaft 51 may be formed to have stepped fastening portions 51a, 51b, and 51c having different diameters. Screws for coupling with the second drive shaft 55 are formed on the outer circumferential surfaces of the respective fastening portions 51a, 51b, and 51c.
- a plurality of second driving shafts having different diameters may be provided so that the second driving shafts may be coupled to the coupling parts 51a, 51b, and 51c of the first driving shaft 51.
- the preparation of the second drive shafts 55 having different diameters is intended to be used interchangeably when the diameter of the unit rod for the drilling operation is changed.
- the second driving shaft 55 has a fastening screw portion 56 formed on an inner circumferential surface thereof so as to be coaxially coupled with the first driving shaft 51, and a rod screw coupling portion 73 and a screw of the unit rod 70 on an outer circumferential surface thereof.
- the screw coupling portion 57 is coupled, and the screw coupling guide portion 58 extending from the screw coupling portion 57 is provided.
- the screw coupling guide portion 58 has a tapered structure in which the diameter gradually decreases toward the end side from the screw coupling portion 57 as described above.
- An end of the screw coupling guide 58 is preferably formed in a spherical shape so that the hollow portion of the unit rod 70 can be inserted smoothly.
- the hollow parts 40a are formed in the first and second driving shafts 51 and 55 in the longitudinal direction.
- first and second driving shafts 51 and 55 may be coupled to each other by forming flanges 61 and 62 on the first and second driving shafts.
- a stopper part 59 may be installed on the second driving shaft 55 to prevent the unit rod 70 which is coupled with the second driving shaft to perform a drilling operation to be lifted up by being rotated.
- An upper portion of the stopper portion 59 may further include a position adjusting portion (not shown) for holding the support pipe 60 inserted into the drilling portion to prevent the earthenware from falling around the drilling portion.
- This position adjusting portion has a tapered structure whose upper side is larger than the diameter of the support pipe 200.
- the fabric mill is positioned at the portion to form the underground hole, and then the lead 20 is to form a hole.
- the head part 30 is positioned above the lead 20, and then the unit rod 70 is connected to the driving shaft 40.
- the lower end of the unit rod 70 is provided with an air hammer or water hammer 80 for drilling.
- the unit rod 70 and the drive shaft 40 are coupled to each other by suspending the unit rod 70 using a crane (not shown) or the like, and then screwing the guide portion 42 of the drive shaft 40 to the unit rod 70.
- the drive shaft 40 In the state inserted into the hollow portion 70a, the drive shaft 40 is rotated while moving in the direction for engagement.
- the screw engaging portion 41 extending from the screw engaging portion 41 of the drive shaft 40 is inserted into the hollow portion 70a of the unit rod 70.
- Guided to the rod screw coupling portion 73 of the rod 70 is coupled to them smoothly.
- the screw coupling guide portion 42 provided in the drive shaft 40 has a diameter that gradually decreases from the screw coupling portion 41, the unit rod 70 and the drive shaft 40 are in-line.
- the screw coupling guide 42 may be easily inserted into the hollow portion 70a of the unit rod 70. Therefore, as described in the related art, a problem that the operator must match the end of the unit rod and the driving shaft 40 can be solved. In particular, when the diameter of the unit rod 70 is small, and the thickness of the unit rod 70 is thin, the unit rod and the driving shaft may be coupled smoothly by the guide of the screw coupling guide 42.
- the fastening parts 51a, 51b, 51c having multiple stages are formed on the first drive shaft 51, and the second drive shafts 55 are prepared to match the diameters of the fastening parts. Because of this, the unit rods for drilling can be used interchangeably.
- the stopper portion 43 is formed on the drive shaft 40 to prevent the unit rod from being raised by the rotational force of the drive shaft when the screw is engaged with the unit rod, the unit rod is driven even if the rotation load is applied to the unit rod during the drilling operation. It can be prevented to rise along the screw engaging portion 41 of, and can prevent the screw from being damaged by the rotating load. That is, it can be prevented from being raised by the rotational load of the unit rod to a portion where no screw is formed in the drive shaft.
- the drive shaft 40 has a position adjusting portion for holding the center of the support pipe 200 installed during the drilling of the soft ground, the position adjusting portion is lowered to the support pipe 200 when the head portion 30 is lowered. It is inserted to align the center of the support pipe 200 and the drive shaft. Therefore, it is possible to prevent deviation from the center of the rod of the center of the support pipe during the drilling operation.
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- Physics & Mathematics (AREA)
- Geochemistry & Mineralogy (AREA)
- Mechanical Engineering (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
- Earth Drilling (AREA)
Abstract
Description
Claims (5)
- 천공장치 본체와, 상기 천공장치 본체에 의해 지지되는 리드와, 상기 리드에 슬라이딩 가능하게 설치되고 천공을 위한 단위로드가 연결되는 구동축과, 상기 구동축을 구동시키기 위한 액츄에이터를 가지는 헤드부를 구비하며, 상기 구동축은 외주면에 형성되어 천공작업을 수행하기 위한 단위로드의 단부와 나사 결합되는 나사결합부가 형성되고, 이 나사결합부의 전단부측에는 상기 단위로드 단부의 중공부에 형성된 로드 나사결합부와 구동축의 나사결합이 원활하게 이루어질 수 있도록 유도하는 나사 결합유도부가 형성된 것을 특징으로 하는 헤드부를 갖는 천공장치.
- 제 1항에 있어서,상기 구동축의 나사결합부의 상단부측 외주면에는 나사결합에 따른 로드의 상승을 저지하기 위한 스토퍼부가 구비된 것을 특징으로 하는 헤드부를 갖는 천공장치.
- 제 1항에 있어서,상기 나사 결합 유도부는 구동축의 나사결합부로부터 단부측으로 연장되며 점차 적으로 직경이 작아지는 테이퍼부로 이루어진 것을 특징으로 하는 헤드부를 갖는 천공장치.
- 천공장치 본체와, 상기 천공장치 본체에 의해 지지되는 리드와; 상기 리드에 슬라이딩 가능하게 설치되고 천공을 위한 단위로드가 연결되는 구동축과; 상기 구동축을 구동시키기 위한 액츄에이터를 가지는 헤드부;를 구비하며,상기 구동축은 헤드부의 본체에 베어링 지지되어 회전가능하게 설치되며 헤드부 본체의 하단부로 노출된 제 1구동축과; 상기 제 1구동축와 동축상으로 나서 결합되며 천공작업을 수행하기 위한 단위로드의 단부와 나사 결합되는 나사결합부와, 상기 나사결합부의 전단부측에는 상기 단위로드 단부의 중공부에 형성된 로드 나사결합부와 구동축의 나사결합이 원활하게 이루어질 수 있도록 유도하는 나사결합 유도부를 가지는 제 2구동축을 구비한 것을 특징으로 하는 헤드부를 갖는 천공장치.
- 제 4항에 있어서,상기 제 1구동축은 직경이 다르며 단차진 체결부들을 구비하며,상기 제 1구동축의 체결부들과 선택적으로 결합될 수 있도록 서로 다른 직경을 가진 복수개 제 2구동축을 구비한 것을 특징으로 하는 헤드부를 갖는 천공장치.
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2011800478060A CN103140643A (zh) | 2010-09-30 | 2011-09-30 | 具有头部的穿孔装置 |
BR112013007576A BR112013007576A2 (pt) | 2010-09-30 | 2011-09-30 | aparelho de perfuração tendo cabeça. |
RU2013119901/03A RU2013119901A (ru) | 2010-09-30 | 2011-09-30 | Устройство для бурения с головкой |
AU2011308106A AU2011308106A1 (en) | 2010-09-30 | 2011-09-30 | Punching device having head part |
CA2811779A CA2811779A1 (en) | 2010-09-30 | 2011-09-30 | Drilling apparatus having head |
US13/824,848 US20130233624A1 (en) | 2010-09-30 | 2011-09-30 | Drilling apparatus having head |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR20100095223 | 2010-09-30 | ||
KR10-2010-0095223 | 2010-09-30 | ||
KR1020110045376A KR20120033954A (ko) | 2010-09-30 | 2011-05-13 | 헤드부를 갖는 천공장치 |
KR10-2011-0045376 | 2011-05-13 |
Publications (2)
Publication Number | Publication Date |
---|---|
WO2012044127A2 true WO2012044127A2 (ko) | 2012-04-05 |
WO2012044127A3 WO2012044127A3 (ko) | 2012-05-31 |
Family
ID=45893705
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/KR2011/007283 WO2012044127A2 (ko) | 2010-09-30 | 2011-09-30 | 헤드부를 갖는 천공장치 |
Country Status (1)
Country | Link |
---|---|
WO (1) | WO2012044127A2 (ko) |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR19980011176U (ko) * | 1996-08-14 | 1998-05-25 | 김종목 | 천공기의 롯드 연결구조 |
KR0137055Y1 (ko) * | 1996-02-03 | 1999-02-18 | 이원해 | 착암기의 헤드캡부 장볼트구조 |
JP2001098877A (ja) * | 1999-09-28 | 2001-04-10 | Furukawa Co Ltd | さく岩機のロッドのねじ部 |
KR200378418Y1 (ko) * | 2004-12-30 | 2005-03-16 | 주식회사 대창중기계 | 도넛스 오거의 수직 비틀림 방지 겸용 배토 흙커버 |
JP2009235874A (ja) * | 2008-03-28 | 2009-10-15 | Tube Tech 株式会社 | 掘削工具用継手 |
-
2011
- 2011-09-30 WO PCT/KR2011/007283 patent/WO2012044127A2/ko active Application Filing
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR0137055Y1 (ko) * | 1996-02-03 | 1999-02-18 | 이원해 | 착암기의 헤드캡부 장볼트구조 |
KR19980011176U (ko) * | 1996-08-14 | 1998-05-25 | 김종목 | 천공기의 롯드 연결구조 |
JP2001098877A (ja) * | 1999-09-28 | 2001-04-10 | Furukawa Co Ltd | さく岩機のロッドのねじ部 |
KR200378418Y1 (ko) * | 2004-12-30 | 2005-03-16 | 주식회사 대창중기계 | 도넛스 오거의 수직 비틀림 방지 겸용 배토 흙커버 |
JP2009235874A (ja) * | 2008-03-28 | 2009-10-15 | Tube Tech 株式会社 | 掘削工具用継手 |
Also Published As
Publication number | Publication date |
---|---|
WO2012044127A3 (ko) | 2012-05-31 |
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