SE515810C2 - Slot drilling device with a submersible drill - Google Patents
Slot drilling device with a submersible drillInfo
- Publication number
- SE515810C2 SE515810C2 SE9800647A SE9800647A SE515810C2 SE 515810 C2 SE515810 C2 SE 515810C2 SE 9800647 A SE9800647 A SE 9800647A SE 9800647 A SE9800647 A SE 9800647A SE 515810 C2 SE515810 C2 SE 515810C2
- Authority
- SE
- Sweden
- Prior art keywords
- drill
- machine
- sleeve
- guide tube
- submersible
- Prior art date
Links
- 238000005553 drilling Methods 0.000 title claims abstract description 17
- 238000005520 cutting process Methods 0.000 claims 1
- 238000011010 flushing procedure Methods 0.000 claims 1
- 239000011435 rock Substances 0.000 abstract description 5
- 238000005192 partition Methods 0.000 description 3
- 125000006850 spacer group Chemical group 0.000 description 2
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
- E21D9/10—Making by using boring or cutting machines
- E21D9/1053—Making by using boring or cutting machines for making a slit along the perimeter of the tunnel profile, the remaining core being removed subsequently, e.g. by blasting
-
- 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
- E21B19/00—Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables
- E21B19/24—Guiding or centralising devices for drilling rods or pipes
-
- 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
- E21B4/00—Drives for drilling, used in the borehole
- E21B4/003—Bearing, sealing, lubricating details
-
- 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
- E21B7/001—Drilling a non circular hole
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C25/00—Cutting machines, i.e. for making slits approximately parallel or perpendicular to the seam
- E21C25/58—Machines slitting by drilling hole on hole
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Environmental & Geological Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- Earth Drilling (AREA)
Abstract
Description
22 så att de inte roterar med maskinröret l l. Lagren 21,22 och 23,24 utgör således både axiallager och radiallager för lagring av bärarhylsan 22. 22 so that they do not rotate with the machine tube 11. The bearings 21, 22 and 23, 24 thus constitute both axial bearings and radial bearings for bearing the carrier sleeve 22.
Eftersom kronhylsan 13 överför vridmoment till kronan under borrning är det ingen risk för att bärarhylsans 22 lagring ska lossa av vibrationema. Distanshylsan 25 har nyckelgrepp 27 för att man ska kunna bräcka gängan mellan maskinröret 11 och kronhylsan 13. Splinesförbindningen mellan distanshylsan 25 och maskinröret ll finns för att medge sådan bräckning.Since the crown sleeve 13 transmits torque to the crown during drilling, there is no risk that the bearing of the carrier sleeve 22 will loosen from the vibrations. The spacer sleeve 25 has a key grip 27 in order to be able to break the thread between the machine tube 11 and the crown sleeve 13. The spline connection between the spacer sleeve 25 and the machine tube 11 is provided to allow such breaking.
Bärarhylsan 22 bär ett styrrör 30 via en mellanbalk 31 som är svetsad till både styrrör 30 och bärarhylsa 22. Mellanbalkens 31 främre ände är utbildad som brytorgan med sin sneda ände 32. Styrröret 30 har en öppning 33 genom vilken det använda drivmediet med borrkax kan strömma in i styrröret 30. Huvudändamålet med denna öppning 32 är emellertid att ge plats mitt för nyckelgreppet 27 för en nyckel.The support sleeve 22 carries a guide tube 30 via an intermediate beam 31 which is welded to both guide tube 30 and the support sleeve 22. The front end of the intermediate beam 31 is formed as a breaking member with its oblique end 32. The guide tube 30 has an opening 33 through which into the guide tube 30. However, the main purpose of this opening 32 is to provide space in the middle of the key grip 27 for a key.
Styrrörets 30 bakre ände har en fastsvetsad bussning 34 med en inre gänga till vilken en styrrörsförlängare kan monteras i de fall berget är så dåligt att en lång styming erfordras. När man har en tryckluftdriven sänkborrmaskin kan man koppla en sugslang till bussningen 34 och ansluta sugslangen till en dammsugare. Styrrörets främre ände har en likadan bussning 35 fastsvetsad och en plugg 36 är iskruvad i bussningen 3 5.The rear end of the guide tube 30 has a welded bushing 34 with an internal thread to which a guide tube extension can be mounted in cases where the rock is so bad that a long guide is required. When you have a pneumatic submersible drill, you can connect a suction hose to the bushing 34 and connect the suction hose to a vacuum cleaner. The front end of the guide tube has a similar bushing 35 welded on and a plug 36 is screwed into the bushing 35.
När man ska borra en slits börjar man med att borra ett första hål med en sänkborrmaskin som har ett maskinrör med slät utsida och inte bär något styrrör 30.When drilling a slot, start by drilling a first hole with a submersible drill that has a machine tube with a smooth exterior and does not carry a guide tube 30.
Med anordningen visad på figur 1 borrar man sedan ett hål bredvid det första hålet och låter då styrröret 30 styra i det först borrade hålet. Vanligen spräcks berget mellan de två hålen kontinuerligt bort av krafterna som resulterar från borrkronan. På detta sätt kan man fortsätta att borra hål vid hål så att man får en slits. Figur 2 visar en slits bestående av tre hål.With the device shown in Figure 1, a hole is then drilled next to the first hole and the guide tube 30 is then allowed to guide in the first drilled hole. Usually, the rock between the two holes is continuously blasted away by the forces resulting from the drill bit. In this way, you can continue to drill hole by hole so that you get a slit. Figure 2 shows a slit consisting of three holes.
När borrkronan blir sliten på diametern kan det hända att väggen mellan hålen blir kvar. Den sneda brytytan 32 på mellanbalken kommer då att bryta ned denna mellanvägg och genom att denna yta 32 är vänd mot borrmaskinen kommer berget 3 . . _. .. . . . . .. .. . . . . .. .. . . . . . . . . . . . .. . 3 att ge en tvärkraft på den ytan riktad åt styrrörets 30 håll. Denna tvärkraft trycker borrkronan mot pilothålet vilket förhindrar att mellanväggen ökar i tjocklek med fastborrning som följd. Vinkeln mellan den sneda ytan 32 och bärarhylsan 22 bör vara mellan 10 och 45 grader. Styrröret måste ha en diameter som är så mycket mindre än borrkronans nominella diameter att normal diameterförslitning av borrkronan inte medför fastborrning. Om borrkronans nominella diameter är 211 mm kan styrrörets diameter exempelvis vara 203 mm.When the drill bit becomes worn on the diameter, the wall between the holes may remain. The oblique breaking surface 32 on the partition beam will then break down this partition wall and because this surface 32 is facing the drilling machine, the rock 3 will come. . _. ... . . . .. ... . . . .. ... . . . . . . . . . . ... 3 to provide a transverse force on that surface directed in the direction of the guide tube 30. This transverse force presses the drill bit against the pilot hole, which prevents the partition wall from increasing in thickness, with fixed drilling as a result. The angle between the inclined surface 32 and the carrier sleeve 22 should be between 10 and 45 degrees. The guide pipe must have a diameter that is so much smaller than the nominal diameter of the drill bit that normal diameter wear of the drill bit does not result in fixed drilling. If the nominal diameter of the drill bit is 211 mm, the diameter of the guide tube can, for example, be 203 mm.
I stället for att använda kronhylsan 13 för att axiellt hålla ihop lagren 20,21; 23,24 och bärarhylsan 22 skulle man kunna använda bakstycket 12 eftersom skruvförbindningeir mellan bakstycket och maskinröret l l överför samma rotationsmoment till borrkronan 14 som kronhylsan gör.Instead of using the crown sleeve 13 to axially hold the bearings 20,21 together; 23,24 and the carrier sleeve 22, the back piece 12 could be used since the screw connections between the back piece and the machine tube 11 transmit the same torque to the drill bit 14 as the crown sleeve does.
Ett användningsområde för den visade och beskrivna slitsbormingsutrustningen är borming av öppningsslitsar vid tunneldrivning och stigortsdrivning. Vid stigortsdrivning kan man borra slitsar med exempelvis 40 meter långa hål och sedan spränga ut stigorten i en 40 meter lång salva.One area of use for the slot drilling equipment shown and described is drilling of opening slots in tunnel driving and riser driving. When operating a riser, you can drill slots with, for example, 40-meter-long holes and then blow out the riser in a 40-meter-long salvo.
Claims (4)
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE9800647A SE515810C2 (en) | 1998-03-03 | 1998-03-03 | Slot drilling device with a submersible drill |
CA002322693A CA2322693C (en) | 1998-03-03 | 1999-02-23 | An arrangement for drilling slots |
AU27532/99A AU2753299A (en) | 1998-03-03 | 1999-02-23 | An arrangement for drilling slots |
PCT/SE1999/000244 WO1999045237A1 (en) | 1998-03-03 | 1999-02-23 | An arrangement for drilling slots |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE9800647A SE515810C2 (en) | 1998-03-03 | 1998-03-03 | Slot drilling device with a submersible drill |
Publications (3)
Publication Number | Publication Date |
---|---|
SE9800647D0 SE9800647D0 (en) | 1998-03-03 |
SE9800647L SE9800647L (en) | 1999-09-04 |
SE515810C2 true SE515810C2 (en) | 2001-10-15 |
Family
ID=20410369
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE9800647A SE515810C2 (en) | 1998-03-03 | 1998-03-03 | Slot drilling device with a submersible drill |
Country Status (4)
Country | Link |
---|---|
AU (1) | AU2753299A (en) |
CA (1) | CA2322693C (en) |
SE (1) | SE515810C2 (en) |
WO (1) | WO1999045237A1 (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20110017513A1 (en) * | 2008-04-03 | 2011-01-27 | Sandvik Mining And Construction Oy | Drilling unit, method for slot drilling and slotting device |
KR101230482B1 (en) * | 2010-10-18 | 2013-02-21 | 강릉건설 주식회사 | The apparatus of rock excavation using the longest slot drill and the non-vibration rock excavating method using thereof |
CN106869922B (en) * | 2015-12-14 | 2020-07-10 | 刘素华 | Multistage protection sealing telescopic shaft sleeve reciprocating impact part |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1552636A (en) * | 1975-05-29 | 1979-09-19 | Wibom G H O | Drilling machine |
SE420435B (en) * | 1979-11-19 | 1981-10-05 | Skanska Cementgjuteriet Ab | SET DRILL AND DEVICE |
SE468953B (en) * | 1989-03-17 | 1993-04-19 | Herbert Sven Erik Broberg | Method for drilling long holes in rock, and guide arrangement and sealing arrangement for this |
-
1998
- 1998-03-03 SE SE9800647A patent/SE515810C2/en not_active IP Right Cessation
-
1999
- 1999-02-23 WO PCT/SE1999/000244 patent/WO1999045237A1/en active Application Filing
- 1999-02-23 AU AU27532/99A patent/AU2753299A/en not_active Abandoned
- 1999-02-23 CA CA002322693A patent/CA2322693C/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
SE9800647D0 (en) | 1998-03-03 |
SE9800647L (en) | 1999-09-04 |
CA2322693C (en) | 2006-12-19 |
WO1999045237A1 (en) | 1999-09-10 |
CA2322693A1 (en) | 1999-09-10 |
AU2753299A (en) | 1999-09-20 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
NUG | Patent has lapsed |