EP0300986A1 - Rock drilling rig - Google Patents

Rock drilling rig Download PDF

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Publication number
EP0300986A1
EP0300986A1 EP88850248A EP88850248A EP0300986A1 EP 0300986 A1 EP0300986 A1 EP 0300986A1 EP 88850248 A EP88850248 A EP 88850248A EP 88850248 A EP88850248 A EP 88850248A EP 0300986 A1 EP0300986 A1 EP 0300986A1
Authority
EP
European Patent Office
Prior art keywords
feed beam
drill
rock drilling
rock
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.)
Granted
Application number
EP88850248A
Other languages
German (de)
French (fr)
Other versions
EP0300986B1 (en
Inventor
Stefan Herman Georg Schörling
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.)
Atlas Copco AB
Original Assignee
Atlas Copco AB
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 Atlas Copco AB filed Critical Atlas Copco AB
Priority to AT88850248T priority Critical patent/ATE75296T1/en
Publication of EP0300986A1 publication Critical patent/EP0300986A1/en
Application granted granted Critical
Publication of EP0300986B1 publication Critical patent/EP0300986B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP 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 DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP 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 characterized by means for land transport with their own drive, e.g. skid mounting or wheel mounting
    • E21B7/024—Drilling rigs characterized 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 DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP 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 characterized 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 rock face 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 rock face 15 directed end 19 provided with a drill guide 12 made as gripping tongs for the drill rod 10.
  • 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.

Abstract

Rock drilling rig provided with a two part feed beam (4,6). The rig is provided with a drill guide (12) formed as gripping tongs for a drill rod (10) on one of the feed beams (6) whereas the other feed beam (4) is provided with a pad (17) to be applied against a rock face (15).

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. 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.
  • 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 a first feed beam 4. The first feed beam is at its towards the rock face 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. In order to, at production drilling, be able to clamp the feeding device between the rock face 15 and the floor 16 the second feed beam 6 is provided with a hydraulically manoeuverable pad 18. The second feed beam 6 is at its towards the rock face 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. When extending the rods the operator 14 can work at a suitable height. The principle for the gripping function of the drill guide 12 is shown in fig 2. 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.
  • 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)

  1. Rock drilling rig comprising a carrier (1), a first feed beam (4) carried by said carrier, a second feed beam (6) movably arranged along said first feed beam and a rock drilling machine (9) movably arranged along said second feed beam, characterized in that said first feed beam (4) is provided with a pad (17) to be applied against a rock face (15) and that said second feed beam (6) comprises a drill guide (12) at the end (19) directed towards the rock face, said drill guide being formed as gripping tongs for a drill rod (10).
EP88850248A 1987-07-23 1988-07-13 Rock drilling rig Expired - Lifetime EP0300986B1 (en)

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
SE8702944 1987-07-23
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

Publications (2)

Publication Number Publication Date
EP0300986A1 true EP0300986A1 (en) 1989-01-25
EP0300986B1 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)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
ES2077485A2 (en) * 1991-07-11 1995-11-16 Ingemas S A Supplementary thrust mechanism for percussion hammers

Citations (8)

* Cited by examiner, † Cited by third party
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
FR2097697A5 (en) * 1970-07-09 1972-03-03 Secoma
US3684035A (en) * 1970-04-24 1972-08-15 Macgordon Wills Cable cylinders
US3967686A (en) * 1972-12-13 1976-07-06 Gosta Fogelstrom Device for guiding a drill tool
DE3634502A1 (en) * 1985-10-24 1987-04-30 Sig Schweiz Industrieges Roof-bolting drilling apparatus

Patent Citations (8)

* Cited by examiner, † Cited by third party
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
DE3634502A1 (en) * 1985-10-24 1987-04-30 Sig Schweiz Industrieges Roof-bolting drilling apparatus

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2077485A2 (en) * 1991-07-11 1995-11-16 Ingemas S A Supplementary thrust 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

Also Published As

Publication number Publication date
ATE75296T1 (en) 1992-05-15
EP0300986B1 (en) 1992-04-22
SE8702944D0 (en) 1987-07-23
DE3870345D1 (en) 1992-05-27
ES2030905T3 (en) 1992-11-16
SE457817B (en) 1989-01-30

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