WO2022114572A1 - Système de marteau à carottier ayant des fonctions de décharge de boue et de découpe de carotte améliorées - Google Patents

Système de marteau à carottier ayant des fonctions de décharge de boue et de découpe de carotte améliorées Download PDF

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Publication number
WO2022114572A1
WO2022114572A1 PCT/KR2021/015797 KR2021015797W WO2022114572A1 WO 2022114572 A1 WO2022114572 A1 WO 2022114572A1 KR 2021015797 W KR2021015797 W KR 2021015797W WO 2022114572 A1 WO2022114572 A1 WO 2022114572A1
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WO
WIPO (PCT)
Prior art keywords
core
slime
cutting means
hammer
discharge pipe
Prior art date
Application number
PCT/KR2021/015797
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English (en)
Korean (ko)
Inventor
송채연
Original Assignee
송채연
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Filing date
Publication date
Application filed by 송채연 filed Critical 송채연
Publication of WO2022114572A1 publication Critical patent/WO2022114572A1/fr

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    • 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
    • E02D7/28—Placing of hollow pipes or mould pipes by means arranged inside the piles or pipes
    • E02D7/30—Placing of hollow pipes or mould pipes by means arranged inside the piles or pipes by driving cores
    • 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
    • E21B1/00—Percussion drilling
    • E21B1/12—Percussion drilling with a reciprocating impulse member
    • E21B1/24—Percussion drilling with a reciprocating impulse member the impulse member being a piston driven directly by fluid pressure
    • E21B1/30—Percussion drilling with a reciprocating impulse member the impulse member being a piston driven directly by fluid pressure by air, steam or gas pressure
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D2200/00—Geometrical or physical properties
    • E02D2200/16—Shapes
    • E02D2200/1685—Shapes cylindrical
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D2250/00—Production methods
    • E02D2250/0038—Production methods using an auger, i.e. continuous flight type

Definitions

  • the present invention relates to a core barrel hammer system with improved slime discharge and core cutting functions used as the power of a pile drilling machine when excavating a large diameter (1000 mm or more) in a bedrock layer, and more specifically While quickly discharging the crushed slime by the hammer, it prevents the clogging of the slime discharge pipe and provides smooth discharge of the slime from the ground. It is intended to provide a core barrel hammer system with improved slime discharge and core cutting functions, which is also convenient for maintenance.
  • R.C.D method is performed to reinforce work by installing piles made of steel pipes, etc., on soft ground or bedrock layers.
  • R.C.D method it is a method of excavating a large diameter (1000mm or more).
  • the drum stabilizer is coupled to the top of the drill pipe of the pile drilling machine, and the bit body is installed with several bits in the circumferential direction at the bottom of the drill pipe, and the bit body is driven under pressure. Therefore, there is a method of drilling an excavation hole in the bedrock layer at once.
  • a drum stabilizer is attached to the upper part of the drill pipe of the pile drilling machine, a pipe-shaped bit body is attached to the lower part of the drill pipe, and several bits are installed at the bottom of the bit body when the drum stabilizer rotates.
  • the drilling for core barrel work of the pile drilling machine of the Republic of Korea Utility Model Publication No. (Y1)20-0444654 (2009.05.20.) is proposed, and the configuration is the drum stabilizer of the pile drilling machine (
  • the rotating body In the excavation hammer for core barrel work in which a hammer bit coupled to a drum stabilizer and excavating the ground on a rotating body provided at the top with a flange, and a suction and discharge pipe to discharge the pulverized material to the ground, the rotating body has a donut in cross section It is configured in a cylindrical shape with an open bottom so as to have a hollow configuration as in is done
  • the hammer bit and bit body responsible for drilling are cylindrical, and the configuration is to install at least two or more hammer bits installed in the circumferential direction on the edge side of the rotating body, and also at the bottom of the donut-shaped rotating body.
  • a plurality of roller bits are installed so as not to interfere with the hammer bit, and a suction and discharge pipe is formed to discharge the pulverized material to the ground.
  • the multi-core barrel hammer system of Korean Patent Registration No. (B1)10-1596926 (2016.02.24.) is provided, and the configuration is used in combination with a drum stabilizer 2 of a pile drilling machine.
  • a hammer bit that is assembled with an assembly hole formed in a cylindrical rotating body that has a circular or rectangular configuration, and a roller bit installed in the rotating body to prevent the bit body from directly interfering with the crushing surface at top dead center
  • the multi-core barrel hammer system configured to include a suction discharge pipe formed on the rotating body and discharging the crushed material crushed by the hammer bit to the upper portion;
  • the suction and discharge pipe is formed to be close to the bit body in the opposite direction to the rotational direction of the rotating body;
  • the crushed material flow path is formed in a concave shape to open toward the suction discharge pipe from the center so that the crushed material crushed by the bit body is discharged to the suction discharge pipe;
  • the crushed material flow path formed in the bit body gradually widens
  • Patent Document 1 Republic of Korea Utility Model Publication No. 200444654 (2009.05.20. Announcement)
  • Patent Document 2 Korean Patent Registration Publication No. 101596926 (2016.02.24. Announcement)
  • the present inventor has researched and developed the present invention to eliminate various problems caused by the discharge of slime in the conventional core barrel hammer system as well as various problems caused by the maintenance of the cutting means.
  • a filter rod is placed on the inlet side of the slime discharge pipe to limit the size of the discharged slime, and an air nozzle sprayed to the discharge side is installed in the slime discharge pipe to quickly discharge the slime.
  • an air discharge hole connecting the core forming space and the outside is formed to prevent the hammer system from being lifted by air pressure.
  • pressurized compressed air is connected to the air outlet hole to facilitate core separation.
  • a plurality of air hammers connected to the rotary drive gear box of the pile drilling machine and a rod, and installed in a cylindrical rotating body having a core forming space opened downwardly formed on the inside, and the air hammer
  • a slime discharge pipe for discharging crushed slime and a core cutting means for cutting the lower end of the core formed in the core forming space are installed, and a storage container support is installed on the upper side of the rotating body, and the upper side can be raised and lowered along the rod.
  • the slime storage bin is configured so that the slime is supplied by arranging the upper end of the slime discharge pipe;
  • a filter rod is installed on the suction side of the slime discharge pipe to limit the size of the suctioned slime, and a jet nozzle through which compressed air is sprayed is installed in the middle of the slime discharge pipe, and the jet nozzle sprays compressed air in the direction in which the slime is discharged. It is characterized in that it is configured to do so.
  • the slime discharge plate is formed to be inclined outward from the center on the upper side of the storage container support.
  • an air hammer for a core is further provided in the center of the core forming space, and the core cutting means is provided around the air hammer for the core and includes an expansion part capable of expanding or contracting according to the flow of a high-pressure fluid and for the core. It is provided at the lower end of the air hammer and characterized in that it is composed of one or more of the expandable hammer bits that can be expanded in size according to rotation.
  • the rotation body is formed with a pressure regulating hole penetrating to the outside from the middle upper end of the core forming space.
  • the core cutting means installs a rotary motor on the rod of the pressurizing cylinder coupled to the inside of the cutting means block separately coupled to the cutting means coupling groove, and installs a cutter blade in this rotary motor according to the operation of the pressurizing cylinder It is characterized in that the cutter blade is configured to protrude and retract into the core forming space.
  • the core cutting means is characterized in that the cutting bit is installed on the rod of the pressing cylinder coupled to the inside of the cutting means block separated and coupled to the cutting means coupling groove.
  • the core cutting means installs a pressurizing cylinder coupled to the inside of the cutting means block separately coupled to the cutting means coupling groove, and on the rod of the pressurizing cylinder, one end of the rotation link coupled to rotate with a pin to the cutting means block. It is fixed, and a free rotating cutter blade is installed at the other end of the pivoting link so that it can protrude and retract into the core forming space according to the rotation of the pivoting link.
  • the slime discharge plate with an outwardly inclined configuration is provided on the upper side of the storage bin support, when the slime storage bin is moved upward, the stored slime is quickly poured out by the induction of the slime dispensing plate, so it can be expected to improve work efficiency. have.
  • the pressure control hole that penetrates to the outside is formed in the core forming space of the rotating body, so it is possible to prevent the occurrence of the phenomenon of air floating in the core forming space during excavation work, and air that can be pressurized when the core is caught in the inner wall By connecting the line, it is possible to improve the work efficiency, which is easy to remove the core and slime.
  • FIG. 1 is a schematic front view showing a preferred embodiment of the core barrel hammer system with improved slime discharge and core cutting function provided by the present invention
  • Figure 2 is a cross-sectional view of Figure 1
  • FIG. 3 is a bottom perspective view showing the configuration of the rotating body of the core barrel hammer system with improved slime discharge and core cutting functions provided by the present invention
  • Figure 4 is a perspective view showing the configuration of the inlet side of the slime discharge pipe in the present invention
  • FIG. 6 is a cross-sectional view showing another example of a core barrel hammer system with improved slime discharge and core cutting functions provided by the present invention
  • FIG. 7 is a plan sectional view showing an embodiment of a core cutting means that can be applied to the present invention.
  • FIG. 8 is a side cross-sectional view showing another embodiment of the core cutting means that can be applied to the present invention.
  • FIG. 9 is a side cross-sectional view showing another embodiment of the core cutting means that can be applied to the present invention.
  • Figure 1 is a schematic front view showing a preferred embodiment of the core barrel hammer system with improved slime discharge and core cutting function provided by the present invention
  • Figure 2 is a cross-sectional view of Figure 1
  • Figure 3 is provided by the present invention
  • FIG. 4 is a perspective view showing the configuration of the inlet side of the slime discharge pipe in the present invention
  • FIG. 5 is a core cutting means applied to the present invention
  • the core barrel hammer system (1) with improved slime discharge and core cutting functions provided in the present invention is an equipment used in combination with a rotary drive gear box (2) of a pile drilling machine as shown, and the rotary drive gear box It is a configuration in which the rod 3 is coupled to the lower side of (2), and the rotating body 4 provided with a flange at the upper end is coupled to the lower side of the rod 3 .
  • the rotating body 4 is hollow and has a cylindrical shape with a flat cross-section in which the core forming space 5 opened downward is formed, and the rotating body 4 has a plurality of air hammers 6 and , a slime discharge pipe (7) for discharging the crushed slime by the air hammer (6) is installed.
  • a plurality of support roller bits 8 are installed on the bottom of the rotating body 4 to prevent direct contact with the crushing surface when the excavation bit of the air hammer 6 is at the top dead center position.
  • the support roller bit 8 is configured to rotate freely.
  • a core cutting means 20 is provided at the bottom of the permanent rotating body 4 to crush the rock using the rotating body 4 to cut the lower end of the core when the core is formed in the core forming space 5 . make it possible
  • a storage container support 9 is installed on the upper side of the rotating body 4, and the slime storage container 10 that can be raised and lowered along the rod 3 in a state in which the rod 3 is coupled to the center on the upper side. and arranged so that the upper end of the slime discharge pipe 7 is disposed on the inner upper side of the slime storage container 10 so that the slime can be supplied and stored inside the slime storage container 10 .
  • the configuration of the core barrel hammer system 1 with improved slime discharge and core cutting functions described above is a general configuration, and in the present invention, the configuration of the slime discharge pipe 7 is improved to enable the slime discharge pipe 7 to work without clogging. did it
  • a filtering rod 11 is installed on the suction side of the slime discharge pipe 7, and a spray nozzle 12 for spraying compressed air in the middle of the slime discharge pipe 7 is installed. do.
  • the geolreumbong 11 may be arranged in a straight or cross shape, and provides a function of limiting the size of the slime flowing into the slime discharge pipe 7 .
  • the injection nozzle 12 is arranged so that compressed air can be sprayed in the direction in which the slime is discharged, and pushes the slime rising along the slime discharge pipe 7 upward to provide a function to enable rapid discharge.
  • the compressed air is connected to the air pipe supplied to the air hammer 6 so that it can be supplied.
  • the slime rod 11 when the slime rod 11 is provided on the inlet side of the slime discharge pipe 7, only those that pass through the hole formed by the filter rod 11 among the slimes pulverized by the air hammer 6 are used as the slime discharge pipe 7 Since it flows in, it is possible to eliminate problems such as clogging of the slime discharge pipe 7 by the slime, and in addition, the compressed air sprayed from the spray nozzle 12 easily pushes the unpulverized slime upward to double the discharge property. This will improve the emission efficiency.
  • the present invention is improving the configuration of the storage tube support (9) located on the lower side of the slime storage tube (10) for storing the slime discharged through the slime discharge pipe (7). That is, in the present invention, a slime discharge plate (9a) is further installed on the upper side of the storage tank support (9), and the slime discharge plate (9a) is formed to be inclined outward from the center.
  • the slime discharge plate 9a When the slime discharge plate 9a is applied as described above, it is possible to easily provide slime discharge from the ground. That is, the slime storage bin 10 is moved upward to discharge the slime from the ground. At this time, the slime stored in the slime storage bin 10 is quickly discharged to the outside without leaving any traces along the slope of the slime discharge plate 9a. As a result, it is possible to work without the remaining slime as well as shorten the slime discharge time.
  • FIG. 6 is a cross-sectional view showing another example of a core barrel hammer system with improved slime discharge and core cutting functions provided by the present invention.
  • an air hammer 13 for the core is further installed in the center of the core forming space 5 .
  • the present invention is to actively improve the configuration of the core cutting means 20 provided at the bottom of the rotating body 4, so that the convenience of maintenance and quick workability can be guaranteed.
  • a cutting means coupling groove 4a is formed in the rotating body 4, and the core cutting means 20 blocked in the cutting means coupling groove 4a is fixed using a fixing means such as a bolt. This makes it easy to separate and replace in case of failure.
  • FIG. 7 is a plan sectional view showing an embodiment of a core cutting means that can be applied to the present invention, wherein the core cutting means 20 is a cutting means block 21 that is separated and coupled to the cutting means coupling groove 4a.
  • a rotary motor 23 is installed on the rod of the pressurizing cylinder 22 coupled to the inside, and a cutter blade 24 is installed in this rotary motor 23 according to the operation of the pressurizing cylinder 22, the cutter blade ( 24) is configured so that it can protrude into the core forming space (5).
  • the pressurizing cylinder 22 moves the rotating motor 23 and the cutter blade 24 toward the core forming space 5 . As the cutter blade 24 rotates, the lower end of the core is cut.
  • FIG. 8 is a side sectional view showing another embodiment of the core cutting means 20 that can be applied to the present invention, wherein the core cutting means 20 is a cutting means block that is separated and coupled to the cutting means coupling groove 4a (The cutting bit 25 is installed on the rod of the pressurizing cylinder 22 coupled to the inside of the 21).
  • the pressurizing cylinder 22 moves the cutting bit 25 toward the core forming space 5, at this time the cutting bit 25 cuts the lower part of the core.
  • FIG. 9 is a side sectional view showing another embodiment of the core cutting means 20 that can be applied to the present invention, wherein the core cutting means 20 is a cutting means block that is separated and coupled to the cutting means coupling groove 4a.
  • the pressurizing cylinder 22 coupled to the inside of (21) is formed, and one end of the rotating link 26 coupled to the rod of the pressurizing cylinder 22 is fixed to be rotated with a pin to the cutting means block 21, and , a cutter blade 24 that rotates freely is installed at the other end of the rotation link 26 so that it can protrude and retract into the core forming space 5 according to the rotation of the rotation link 26 .
  • the cutter blade 24 or the cutting bit 25 is disposed outside the core forming space 5 and pressed toward the center of the core to cut the lower end of the core.
  • the present invention is not limited thereto, and the expansion part may be disposed in the center of the core forming space 5 .
  • the inflatable part is formed in a donut shape disposed around the lower end of the air hammer 13 for the core at the center of the core forming space 5, and may be composed of an air parka 15 (air packer) made of an elastic material.
  • the expansion unit may be expanded or contracted by the flow of a high-pressure fluid such as water or compressed air.
  • the expansion part expands toward the circumferential direction of the core forming space 5, and the lower end of the core is cut. Thereafter, when the high-pressure fluid introduced into the expansion unit is discharged, the expansion unit may be contracted and restored to its original state.
  • the compressed air is connected to the air pipe supplied to the air hammer 6 so that it can be supplied.
  • an expandable hammer bit 16 capable of expanding or restoring the bit size according to the rotational direction may be installed.
  • the cutting or separation of the core can be facilitated, and the core forming section 5 can also serve to support the core residues from flowing down.

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  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Civil Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • Paleontology (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Earth Drilling (AREA)

Abstract

Le but de la présente invention est de fournir un système de marteau à carottier ayant des fonctions de décharge de boue et de découpe de carotte améliorées. Ledit système empêche le bouchage d'un tuyau de décharge de boue même tout en évacuant rapidement la boue broyée par un marteau, permet une décharge de boue lisse sur le sol, et présente un moyen de découpe de carotte amélioré de telle sorte que la séparation de carotte et l'entretien du moyen de découpe de carotte sont pratiques. La présente invention est configurée par l'installation : d'une pluralité de marteaux pneumatiques, qui sont reliés à une boîte de vitesses d'entraînement en rotation d'une sondeuse à pieux par l'intermédiaire de tiges et installés dans un corps de rotation cylindrique dans lequel est formé un espace de formation de carotte ouvert vers le bas ; un tuyau de décharge de boue pour décharger la boue broyée par les marteaux pneumatiques ; et un moyen de découpe de carotte pour découper l'extrémité inférieure d'une carotte formée à l'intérieur de l'espace de formation de carotte. Un support de récipient de stockage est installé au-dessus du corps de rotation, et un récipient de stockage de boue capable de monter/descendre le long des tiges est formé au-dessus du support de récipient de stockage, l'extrémité supérieure du tuyau de décharge de boue étant disposée à l'intérieur du récipient de stockage de boue pour fournir la boue. Une tige de filtration est installée sur un côté aspiration du tuyau de décharge de boue pour limiter le volume de la boue aspirée, et une buse de pulvérisation pour pulvériser de l'air comprimé est installée au milieu du tuyau de décharge de boue, la buse de pulvérisation étant configurée pour décomposer l'air comprimé dans la direction dans laquelle la boue est évacuée.
PCT/KR2021/015797 2020-11-30 2021-11-03 Système de marteau à carottier ayant des fonctions de décharge de boue et de découpe de carotte améliorées WO2022114572A1 (fr)

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KR10-2020-0163883 2020-11-30
KR20200163883 2020-11-30

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2925800B2 (ja) * 1991-08-07 1999-07-28 株式会社ハッコー 空気式土壌掘削装置のトラップ装置
KR101508740B1 (ko) * 2014-04-22 2015-04-07 주식회사 우리기초 코어 분리기능을 갖는 코어배럴 작업용 굴착함마
KR20150105857A (ko) * 2014-03-10 2015-09-18 주식회사 우리기초 다중 코어 배럴 함마 시스템
KR101651363B1 (ko) * 2015-05-26 2016-08-25 이경렬 굴착용 비트드럼의 슬러지 배출관 에어투입장치
KR102069282B1 (ko) * 2019-05-03 2020-02-11 송채연 회전방향 전환으로 암반굴착 및 코어절단이 가능한 코어배럴 작업용 굴착함마

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5039695A (fr) * 1973-08-14 1975-04-11
KR200444654Y1 (ko) 2008-05-13 2009-05-27 이중완 파일 드릴링 머신의 코어 배럴 작업용 굴착 함마

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2925800B2 (ja) * 1991-08-07 1999-07-28 株式会社ハッコー 空気式土壌掘削装置のトラップ装置
KR20150105857A (ko) * 2014-03-10 2015-09-18 주식회사 우리기초 다중 코어 배럴 함마 시스템
KR101508740B1 (ko) * 2014-04-22 2015-04-07 주식회사 우리기초 코어 분리기능을 갖는 코어배럴 작업용 굴착함마
KR101651363B1 (ko) * 2015-05-26 2016-08-25 이경렬 굴착용 비트드럼의 슬러지 배출관 에어투입장치
KR102069282B1 (ko) * 2019-05-03 2020-02-11 송채연 회전방향 전환으로 암반굴착 및 코어절단이 가능한 코어배럴 작업용 굴착함마

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