EP0300986B1 - Rock drilling rig - Google Patents
Rock drilling rig Download PDFInfo
- Publication number
- EP0300986B1 EP0300986B1 EP88850248A EP88850248A EP0300986B1 EP 0300986 B1 EP0300986 B1 EP 0300986B1 EP 88850248 A EP88850248 A EP 88850248A EP 88850248 A EP88850248 A EP 88850248A EP 0300986 B1 EP0300986 B1 EP 0300986B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- feed beam
- drill
- rock drilling
- rig
- drilling rig
- 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.)
- Expired - Lifetime
Links
- 238000005553 drilling Methods 0.000 title claims abstract description 18
- 239000011435 rock Substances 0.000 title claims abstract description 13
- 230000005641 tunneling Effects 0.000 description 3
- 238000000034 method Methods 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
- 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
- E21B7/00—Special methods or apparatus for drilling
- E21B7/02—Drilling rigs characterised by means for land transport with their own drive, e.g. skid mounting or wheel mounting
- E21B7/024—Drilling rigs characterised by means for land transport with their own drive, e.g. skid mounting or wheel mounting having means for adapting to inclined terrain; having means for stabilizing the vehicle while drilling
-
- 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
- E21B7/02—Drilling rigs characterised by means for land transport with their own drive, e.g. skid mounting or wheel mounting
- E21B7/025—Rock drills, i.e. jumbo drills
Definitions
- the present invention relates to a rock drilling rig which is suitable both for tunneling and/or drifting with long advances per round and for production drilling perpendicularly to a mine drift.
- the present invention which is defined in the subsequent claims, aims at achieving a rock drilling rig which is suitable both for tunneling and for long hole drilling with extension rods.
- fig 1 shows a rock drilling rig according to the invention.
- Fig 2 shows a drill guide used on the drill rig.
- the rock drilling rig shown in the drawing comprises a carrier 1, a to the carrier connected drill boom 2 whose boom head 3 by means of clamping means 5 carries a first feed beam 4.
- the first feed beam is at its towards the drill front 15 directed end provided with a collaring guide 11 and a support pad 17.
- the feed beam 4 carries by means of guides 7 a second feed beam 6.
- the two feed beams are longitudinally movable relative to each other by means of a hydraulic cylinder whose piston rod 8 is shown in the drawing.
- a rock drilling machine 9 is in the usual way movable along the feed beam 6.
- the second feed beam 6 is provided with a hydraulically manoeuverable pad 18.
- the second feed beam 6 is at its towards the drill front 15 directed end 19 provided with a drill guide 12 made as gripping tongs for the drill rod 10.
- An advantage with the arrangement is made visible in fig 1.
- the drill guide 12 comprises two pistons 21 which are loaded in a direction away from the drill rod 10 by springs 23. Through pressurization of chambers 22 pistons 21 are moved so that the drill rod 10 is gripped.
- the drill rig according to the present invention it is possible to achieve, with the same rig, long advances per round e.g. for drifting or tunneling, short advances per round perpendicularly to the tunnel, e.g. for bolting, when there is little space or to clamp the rig for production drilling of long accurately directed holes by means of extension rod drilling.
Landscapes
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Mechanical Engineering (AREA)
- Earth Drilling (AREA)
- Processing Of Stones Or Stones Resemblance Materials (AREA)
- Disintegrating Or Milling (AREA)
Abstract
Description
- The present invention relates to a rock drilling rig which is suitable both for tunneling and/or drifting with long advances per round and for production drilling perpendicularly to a mine drift.
- In order to achieve both drifting with long advances per round and production drilling perpendicularly to the drift one has used two different drill rigs. This has caused large costs through the investment in two rigs and also meant that drifting and production drilling must occur separate from each other so that none of the two rigs hinders the movement of the other rig. In order to be able to drill both with a long and a short feed beam on the same drill rig without changing feed beam one has used a feed beam comprising two parts which are movable relative to each other, see US-A-3744575. A drawback with these devices has been that one has not been able to achieve production drilling, i.e. extension rod drilling, since these divided feed beams have not had suitable devices for holding the rod already drilled into the rock during the extension process. According to another prior art drill rig, see US-A-3684035, it is known to use a drill guide having two swingable arms which make it easier to remove the drill rod from the drill guide. Furthermore, the feed beam can be moved in its mounting.
- The present invention, which is defined in the subsequent claims, aims at achieving a rock drilling rig which is suitable both for tunneling and for long hole drilling with extension rods.
- An embodiment of the invention is described below with reference to the accompnying drawing in which fig 1 shows a rock drilling rig according to the invention. Fig 2 shows a drill guide used on the drill rig.
- The rock drilling rig shown in the drawing comprises a carrier 1, a to the carrier connected
drill boom 2 whose boom head 3 by means of clamping means 5 carries afirst feed beam 4. The first feed beam is at its towards thedrill front 15 directed end provided with acollaring guide 11 and asupport pad 17. Thefeed beam 4 carries by means of guides 7 a second feed beam 6. The two feed beams are longitudinally movable relative to each other by means of a hydraulic cylinder whosepiston rod 8 is shown in the drawing. A rock drilling machine 9 is in the usual way movable along the feed beam 6. - In order to, at production drilling, be able to clamp the feeding device between the
drill front 15 and thefloor 16 the second feed beam 6 is provided with a hydraulicallymanoeuverable pad 18. The second feed beam 6 is at its towards thedrill front 15 directedend 19 provided with adrill guide 12 made as gripping tongs for thedrill rod 10. An advantage with the arrangement is made visible in fig 1. When extending the rods the operator 14 can work at a suitable height. The principle for the gripping function of thedrill guide 12 is shown in fig 2. Thedrill guide 12 comprises twopistons 21 which are loaded in a direction away from thedrill rod 10 bysprings 23. Through pressurization ofchambers 22pistons 21 are moved so that thedrill rod 10 is gripped. - With the drill rig according to the present invention it is possible to achieve, with the same rig, long advances per round e.g. for drifting or tunneling, short advances per round perpendicularly to the tunnel, e.g. for bolting, when there is little space or to clamp the rig for production drilling of long accurately directed holes by means of extension rod drilling.
Claims (1)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT88850248T ATE75296T1 (en) | 1987-07-23 | 1988-07-13 | ROCK DRILLING MACHINE. |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE8702944A SE457817B (en) | 1987-07-23 | 1987-07-23 | BERGBORRIGG PROVIDED WITH DOUBLE FEEDBACK AND WITH AS A GRIP TAPE FOR A BORING BAR DESIGNED BORST |
SE8702944 | 1987-07-23 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0300986A1 EP0300986A1 (en) | 1989-01-25 |
EP0300986B1 true EP0300986B1 (en) | 1992-04-22 |
Family
ID=20369170
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP88850248A Expired - Lifetime EP0300986B1 (en) | 1987-07-23 | 1988-07-13 | Rock drilling rig |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP0300986B1 (en) |
AT (1) | ATE75296T1 (en) |
DE (1) | DE3870345D1 (en) |
ES (1) | ES2030905T3 (en) |
SE (1) | SE457817B (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ES2077485B1 (en) * | 1991-07-11 | 1996-08-01 | Ingemas S A | SUPPLEMENTARY PUSHING MECHANISM FOR PERCUSSION HAMMERS. |
FR2679595A1 (en) * | 1991-07-25 | 1993-01-29 | Dune Travaux Specialises | Autonomous apparatus making it possible, by drilling, to take samples from inside galleries, conduits |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE510409A (en) * | ||||
US2734723A (en) * | 1956-02-14 | Ttnttfn | ||
DE1230738B (en) * | 1964-08-01 | 1966-12-22 | Korfmann Gmbh Maschf | Tension or support column for a drill |
US3441323A (en) * | 1967-06-07 | 1969-04-29 | Gardner Denver Co | Centralizer |
US3684035A (en) * | 1970-04-24 | 1972-08-15 | Macgordon Wills | Cable cylinders |
FR2097697A5 (en) * | 1970-07-09 | 1972-03-03 | Secoma | |
US3967686A (en) * | 1972-12-13 | 1976-07-06 | Gosta Fogelstrom | Device for guiding a drill tool |
CH668453A5 (en) * | 1985-10-24 | 1988-12-30 | Sig Schweiz Industrieges | Ankerbohrvorrichtung. |
-
1987
- 1987-07-23 SE SE8702944A patent/SE457817B/en not_active IP Right Cessation
-
1988
- 1988-07-13 DE DE8888850248T patent/DE3870345D1/en not_active Expired - Lifetime
- 1988-07-13 EP EP88850248A patent/EP0300986B1/en not_active Expired - Lifetime
- 1988-07-13 ES ES198888850248T patent/ES2030905T3/en not_active Expired - Lifetime
- 1988-07-13 AT AT88850248T patent/ATE75296T1/en active
Also Published As
Publication number | Publication date |
---|---|
ATE75296T1 (en) | 1992-05-15 |
EP0300986A1 (en) | 1989-01-25 |
DE3870345D1 (en) | 1992-05-27 |
SE8702944D0 (en) | 1987-07-23 |
ES2030905T3 (en) | 1992-11-16 |
SE457817B (en) | 1989-01-30 |
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