WO2016042234A1 - Appareil de perforation hydraulique destiné à la perforation de trous de mine - Google Patents
Appareil de perforation hydraulique destiné à la perforation de trous de mine Download PDFInfo
- Publication number
- WO2016042234A1 WO2016042234A1 PCT/FR2015/052349 FR2015052349W WO2016042234A1 WO 2016042234 A1 WO2016042234 A1 WO 2016042234A1 FR 2015052349 W FR2015052349 W FR 2015052349W WO 2016042234 A1 WO2016042234 A1 WO 2016042234A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- fitting
- cartridge
- injection
- duct
- extraction
- Prior art date
Links
- 238000005553 drilling Methods 0.000 title abstract description 6
- 239000012530 fluid Substances 0.000 claims abstract description 76
- 238000000605 extraction Methods 0.000 claims abstract description 63
- 238000002347 injection Methods 0.000 claims abstract description 59
- 239000007924 injection Substances 0.000 claims abstract description 59
- 230000000295 complement effect Effects 0.000 claims description 5
- 230000008878 coupling Effects 0.000 description 6
- 238000010168 coupling process Methods 0.000 description 6
- 238000005859 coupling reaction Methods 0.000 description 6
- 238000006073 displacement reaction Methods 0.000 description 5
- 238000007789 sealing Methods 0.000 description 4
- 239000011435 rock Substances 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 238000003900 soil pollution Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 239000002184 metal Substances 0.000 description 1
- 238000009527 percussion Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
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
- E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
- E21B17/18—Pipes provided with plural fluid passages
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25D—PERCUSSIVE TOOLS
- B25D17/00—Details of, or accessories for, portable power-driven percussive tools
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25D—PERCUSSIVE TOOLS
- B25D9/00—Portable percussive tools with fluid-pressure drive, i.e. driven directly by fluids, e.g. having several percussive tool bits operated simultaneously
- B25D9/06—Means for driving the impulse member
- B25D9/12—Means for driving the impulse member comprising a built-in liquid motor, i.e. the tool being driven by hydraulic pressure
-
- 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
- E21B10/00—Drill bits
- E21B10/02—Core bits
-
- 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
- E21B21/00—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
- E21B21/01—Arrangements for handling drilling fluids or cuttings outside the borehole, e.g. mud boxes
-
- 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
- E21B4/06—Down-hole impacting means, e.g. hammers
- E21B4/14—Fluid operated hammers
-
- 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
- E21B6/02—Drives for drilling with combined rotary and percussive action the rotation being continuous
-
- 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
- E21B7/04—Directional 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
- E21B7/20—Driving or forcing casings or pipes into boreholes, e.g. sinking; Simultaneously drilling and casing boreholes
- E21B7/205—Driving or forcing casings or pipes into boreholes, e.g. sinking; Simultaneously drilling and casing boreholes without earth removal
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25D—PERCUSSIVE TOOLS
- B25D2250/00—General details of portable percussive tools; Components used in portable percussive tools
- B25D2250/121—Housing details
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25D—PERCUSSIVE TOOLS
- B25D2250/00—General details of portable percussive tools; Components used in portable percussive tools
- B25D2250/171—Percussive pulling action of tools for extraction of elements
Definitions
- the present invention relates to a hydraulic perforating apparatus, for example of rotary percussion type, for the perforation of boreholes.
- Drilling machines are used in various applications, such as drilling quarries, tunnels or mines. These machines are composed of a carrier part, said carrier, on which is a slide, the latter receiving a hydraulic perforating device.
- a hydraulic perforating apparatus comprises in known manner: a housing comprising a front part,
- a fitting intended to be coupled to at least one drill bar equipped with a tool, such as a cutter, the fitting comprising a fluid injection duct capable of injecting a fluid, such as water or air, in the at least one drill bar so as to extract from the borehole the pieces of rock destroyed,
- a striking piston slidably mounted inside the casing along a strike axis and configured to strike the fitting
- an extraction piston slidably mounted inside the front part of the casing and arranged around the fitting, the extraction piston comprising an extraction portion configured to cooperate with the fitting, and
- a cartridge removably mounted on the front part and arranged around the fitting, the cartridge comprising an injection part intended to be connected to a fluid supply duct, the injection part being configured to connect fluidically the fluid injection duct to the fluid supply duct.
- Such a hydraulic perforating apparatus makes it possible to easily remove the tool from the rock after making the drill hole, even when the perforated ground is unstable or faulty. Indeed, when the tool is locked in the borehole, an operator moves the housing of the hydraulic perforating device away from the tool until the extraction portion of the extraction piston takes support against the fitting which is secured to the tool via the or the drill bars, and actuates hydraulic control circuits of the striking piston so that the latter strikes the fitting. A shock wave is then transmitted to the extraction piston which is projected forward towards a recoil chamber containing an elastic oil cushion capable of exerting a thrust force on the extraction piston urging the latter back by causing an impact against the fitting ensuring clearance of the tool out of the borehole.
- a disadvantage of such a hydraulic perforating apparatus lies in the fact that a replacement of the fitting, which is a wear part which it is necessary to replace regularly (approximately every 30 to 50 hours), requires a dismantling of the front part of the casing which integrates the extraction piston and the associated hydraulic circuits and which is held by a plurality of tie rods (generally between 2 and 4 tie rods).
- This front part of the housing is very heavy, and disassembly requires specific tools.
- oil flows from the hydraulic circuits associated with the extraction piston resulting in oil loss and soil pollution.
- the present invention aims to remedy all or part of these disadvantages.
- the technical problem underlying the invention consists in particular in providing a hydraulic perforating apparatus which is of simple and economical structure, while allowing an easy and quick replacement of the fitting.
- the present invention relates to a hydraulic perforating apparatus for the perforation of boreholes, comprising:
- a housing comprising a front part
- a fitting intended to be coupled to at least one drill bar equipped with a tool, the fitting comprising a fluid injection duct,
- a striking piston slidably mounted inside the casing along a strike axis and configured to strike the fitting
- an extraction piston disposed around the fitting, the extraction piston comprising an extraction portion configured to cooperate with the fitting,
- an injection part intended to be connected to a fluid supply duct, the injection part being configured to fluidically connect the fluid injection duct to the fluid supply duct, and a support body removably mounted on the front part, the support body comprising a first end portion facing towards the front part and at least partly delimiting the receiving housing, and a second end portion opposite to the first end portion and on which is removably mounted the injection portion, the first end portion of the support body forming a threaded mounting portion configured to cooperate with a complementary threaded mounting portion provided on the portion before.
- the hydraulic perforating apparatus does not require, unlike the devices of the prior art, a disassembly of the front part of the housing, and thus ensures a simple and quick replacement of the fitting.
- such an assembly of the injection part ensures, in case of wear of the sealing elements carried by the injection part, a flow of the injection fluid directly to the outside of the perforating apparatus. without risk of polluting the hydraulic control parts of the device.
- such an assembly of the injection part on the support body allows a quick and independent change of the injection part.
- the injection part forms an injection nozzle disposed in a front part of the cartridge.
- the cartridge comprises a fixing member removably mounted on the support body, the fixing member being configured to fix the injection part on the support body.
- the fastener is screwed onto the support body.
- the fastener comprises a threaded mounting portion arranged to cooperate with a threaded mounting portion provided on the support body.
- the fixing member is a fixing ring.
- the injection part comprises an injection body arranged around the fitting, the body injection nozzle comprising a supply inlet intended to be connected to the fluid supply duct and an annular internal groove fluidly connected to the supply inlet, the fitting having a communication orifice configured to fluidically connect the internal groove ring and the fluid injection duct.
- the injection part comprises a connection member mounted on the supply inlet and configured to be connected to the fluid supply duct.
- the injection body comprises, on its outer surface, an annular groove, and the injection part comprises an annular seal mounted in the annular groove and configured to be interposed between the fastener and the support body.
- the hydraulic perforation apparatus further comprises a drive device configured to rotate the fitting about an axis of rotation substantially coincident with the strike axis.
- the training device comprises:
- a drive motor mounted on the front part and equipped with an output shaft
- At least one coupling member configured to couple in rotation the fitting and the output shaft.
- the drive device comprises a coupling pinion disposed around the fitting and coupled in rotation with the fitting.
- the fitting comprises a plurality of longitudinal splines distributed on its outer surface
- the coupling pinion comprises a plurality of longitudinal ribs distributed over its inner surface and configured to cooperate with the longitudinal splines. provided on the fitting.
- the fitting comprises an annular support portion, for example a support flange, configured to cooperate with the extraction portion of the extraction piston.
- the cartridge comprises at least one retaining member configured to retain the extraction piston in the receiving housing.
- the at least one retaining member is configured to limit the displacement stroke of the extraction piston towards the striking piston.
- the at least one retaining member is a retaining ring disposed around the extraction piston.
- the retaining ring can be removably mounted on the support body, and for example by screwing.
- the hydraulic perforation apparatus comprises a high-pressure incompressible fluid supply duct, and in which the cartridge and the extraction piston delimit, at least in part, a recoil chamber, the recoil chamber being configured to be connected to the incompressible fluid supply duct at high pressure, for example during at least a portion of the displacement stroke of the extraction piston in the receiving housing.
- the hydraulic perforating apparatus is configured such that, when the extraction piston makes a displacement stroke opposite the striking piston, the incompressible fluid contained in the chamber recoil exerts a thrust force on the extraction piston urging the extraction piston to the striking piston.
- a retreat of the extraction piston is able to induce an impact of the extracting portion of the extraction piston against the fitting, which makes it possible to easily release the tool carried by the coupled drill bar. to the fitting.
- the recoil chamber is annular.
- the recoil chamber is delimited at least in part by the support body and the extraction piston.
- the backing chamber is delimited by the support body, the extraction piston and the at least one retaining member.
- the cartridge comprises a supply circuit configured to fluidly connect the incompressible fluid supply duct at high pressure to the recoil chamber.
- the extraction piston comprises, on its outer surface, an annular flange configured to bear against the at least one retaining member.
- the support body delimits at least in part a first annular outer groove configured to be fluidly connected to the incompressible fluid supply duct at high pressure, the supply circuit being configured for connected fluidically the first annular outer groove and the recoil chamber.
- the hydraulic perforation device comprises at least one shutter member movably mounted on the front part between a closed position of the incompressible fluid feed duct at high pressure and a position opening of the incompressible fluid feed duct at high pressure, the cartridge being configured to urge, in the mounted position on the front part, the at least one closure member towards its open position.
- the hydraulic perforating apparatus comprises a return element mounted on the front part and arranged to bias the at least one closure member towards its closed position.
- the hydraulic perforation apparatus comprises a low-pressure incompressible fluid return conduit, the recoil chamber being configured to be connected to the incompressible fluid return conduit at low pressure for at least a portion of the displacement stroke of the extraction piston in the receiving housing.
- the cartridge comprises a return circuit configured to fluidically connect the incompressible fluid return duct at low pressure to the recoil chamber.
- the support body delimits at least in part a second annular outer groove configured to be fluidly connected to the incompressible fluid return conduit at low pressure, the return circuit being configured to fluidly connect the second annular external groove and the recoil chamber.
- the hydraulic perforation device comprises at least one closure member movably mounted on the front part between a closed position of the incompressible fluid return duct at low pressure and a position of opening of the incompressible fluid return duct at low pressure, the cartridge being configured to urge, in the mounted position on the front part, the at least one closure member towards its open position.
- the cartridge comprises a guide ring mounted on the support body and arranged around the fitting, the guide ring being configured to cooperate by sliding with the outer surface of the fitting.
- the fitting comprises a guided portion configured to cooperate with the guide ring.
- the cartridge comprises at least a first and a second annular sealing element mounted on the injection body and configured to cooperate with the outer surface of the fitting, the first and second elements Sealing being disposed respectively on either side of the annular internal groove.
- the present invention further relates to a cartridge for hydraulic perforating apparatus for perforating boreholes, the cartridge being configured to be removably mounted on a front portion of a housing of the hydraulic perforating apparatus and to be arranged around a fitting comprising a fluid injection duct, the cartridge comprising an injection part intended to be connected to a fluid supply duct, the injection part being configured to fluidically connect the duct to the duct; injecting fluid into the fluid supply duct, the cartridge delimiting a receiving housing in which is slidably mounted an extraction piston intended to be arranged around the fitting, the extraction piston comprising a configured extraction portion to cooperate with the fitting.
- Figure 1 is a partial view in longitudinal section of a hydraulic perforating apparatus according to the invention.
- Figure 2 is a longitudinal sectional view of a cartridge and a fitting belonging to the hydraulic perforating apparatus of Figure 1.
- Figure 3 is a longitudinal sectional view of an injection part and a fixing ring belonging to the cartridge of Figure 2.
- Figure 4 is a partial view in longitudinal section of a front portion of the hydraulic perforating apparatus of Figure 1.
- FIG. 5 is a partial view in longitudinal section of the hydraulic perforating apparatus of Figure 1.
- FIGS 1 to 5 show a hydraulic rotopercutant perforation apparatus 2 for the perforation of boreholes.
- the perforation apparatus 2 comprises a housing 3 comprising a front portion 4, and a striking piston 5 slidably mounted inside the housing 3 along a strike axis A.
- the perforating apparatus 2 further comprises a fitting 6 intended to be coupled, in known manner, to at least one drilling bar (not shown in the figures) equipped with a tool.
- the fitting 6 extends longitudinally along the strike axis A.
- the fitting 6 comprises a first end portion 7 facing the striking piston 5 and provided with an end face 8 against which is intended to hit the striking piston 5, and a second end portion 9, opposite the first end portion 7, to be coupled to the at least one drill bar.
- the fitting 6 further comprises a cylindrical guided portion 11 disposed between the first and second end portions 7, 9, and a fluid injection duct 12 extending longitudinally and opening into an end face 13 of the second end portion 9.
- the fitting 6 further comprises a communication orifice 14 opening radially respectively in the fluid injection duct 12 and in the outer surface of the fitting 6.
- the perforating apparatus 2 also comprises a cartridge 15 arranged around the fitting 6 and removably mounted, for example by screwing, on the front portion 4 of the casing 3.
- the cartridge 15 more particularly comprises a support body 16 defining a longitudinal passage for the fitting 6.
- the support body 16 comprises a mounting portion 17 facing the front portion 4 and configured to cooperate with a complementary mounting portion 18 provided on the front part 4.
- the mounting portion 17 comprises, on its inner surface, a thread 19 arranged to cooperate with a thread 20 provided on the inner surface of the mounting portion 18.
- the cartridge 15 further includes an injection portion 21 removably mounted on a mounting portion 22 of the support body 16 opposite the mounting portion 17. As shown in FIG. 3, the injection portion 21 includes a tubular injection body 23 extending around the fitting 6.
- the injection body 23 comprises a feed inlet 24 fluidly connected to a fluid supply conduit 25, and an annular internal groove 26 in the bottom of which opens the feed inlet 24.
- the communication orifice 14 provided on the fitting 6 opens into the annular internal groove 26 so that the fluid injection duct 12 is fluidly connected to the fluid supply duct 25 via the annular internal groove 26 and the supply inlet 24.
- the fluid supplied by the fluid supply conduit 25 may for example be water or air.
- the injection part 21 further comprises a connecting member 27 mounted on the inlet on the supply inlet 24 and on which the fluid supply duct 25 is mounted.
- the injection portion 21 further comprises an annular seal 28 mounted in an annular groove 29 formed on the outer surface of the injection body 23.
- the annular seal 28 may for example be made of polyurethane, and may for example have an annular outer flat.
- the cartridge 15 further comprises a fixing ring 31 removably mounted, for example by screwing, on the support body 16.
- the fixing ring 31 comprises, on its inner surface, a thread arranged to cooperate with a complementary threading provided on the outer surface of the support body 16.
- the fixing ring 31 is configured to fix, in the mounted position on the support body 16, the injection part 21 on the support body 16.
- the annular seal 28 is more particularly configured to be interposed between the sealing ring. fixing 31 and the support body 16 so as to provide a seal between the fixing ring 31 and the support body 16.
- the cartridge 15 comprises two annular seals (not shown in the figures) respectively housed in two annular grooves 32 formed on the inner surface of the injection body 23 on either side of the annular internal groove 26. Both annular seals are configured to cooperate with the outer surface of the fitting 6.
- the cartridge 15 further comprises a guide ring 33 mounted on the support body 16 and arranged around the guide portion 11 of the fitting 6.
- the guide ring 33 is configured to slide together with the outer surface of the guided portion 11.
- the mounting portion 17 of the support body 16 at least partially defines a receiving housing 34 in which is slidably mounted a tubular extraction piston 35 disposed around the fitting 6.
- the extraction piston 35 comprises, on its inner surface, an annular extraction portion 36 configured to cooperate with an annular support flange 37 provided on the outer surface of the fitting 6.
- the annular support flange 37 is more particularly disposed between the guided portion 11 and the first end portion 7 of the fitting 6.
- the cartridge 15 further comprises a retaining ring 38 disposed around the extraction piston 35 and configured to retain the extraction piston 35 in the receiving housing 34.
- the retaining ring 38 is removably mounted on the support body 16, for example by screwing.
- the retaining ring 38 is more particularly configured to limit the displacement stroke of the extraction piston 35 to the striking piston 5, and thus advantageously comprises an abutment surface 39 against which is able to bear a support flange 41 provided on the outer surface of the extraction piston 35.
- the perforation apparatus 2 is configured such that, in the rest position, the extraction piston 35 occupies the position shown in FIG. that is to say a position in which the support collar 41 bears against the abutment surface 39.
- the support body 16, the extraction piston 35 and the retaining ring 38 define an annular recoil chamber 42.
- the hydraulic perforating apparatus 2 further comprises a high-pressure incompressible fluid supply duct 43 and a low-pressure incompressible fluid return duct 44 formed at least partly on the front portion 4 of the casing 3.
- the duct the high-pressure incompressible fluid supply pipe 43 and the low-pressure incompressible fluid return pipe 44 each open into the inner surface of the mounting portion 18 of the front part 4.
- the cartridge 15 further comprises a supply circuit configured to be fluidly connected to the high-pressure incompressible fluid supply pipe 43 when the cartridge 15 is mounted on the front part 4, and a return circuit configured to be fluidly connected. to the low-pressure incompressible fluid return duct 44 when the cartridge 15 is mounted on the front part 4.
- the supply circuit is more particularly configured to fluidically connect the incompressible high-pressure fluid supply duct 43 to the chamber 42 when the extraction piston 36 is not in its rest position, that is to say when the support flange 41 is remote from the abutment surface 39, while the return circuit is more specifically configured to connect fluidically the incompressible fluid return conduit at low pressure 44 to the recoil chamber 42.
- the supply circuit comprises one or more connecting channels 45 provided on the support body 16, and one or more connecting channels 46 provided on the retaining ring 38.
- the connecting channels 46 are fluidly connected to the connection channels 45 via an annular internal groove 47 delimited by the mounting portion 17 and the retaining ring 38.
- Each connecting channel 45 opens into an annular external groove 48 delimited by the mounting portion 17 and the front portion 4, and is configured to be connected to the high-pressure incompressible fluid supply conduit 43.
- Each connecting channel 46 opens into the recoil chamber 42, and is configured to be closed by the extraction piston 35 when the latter is in position. rest position and to be released when the support flange 41 is moved away from the abutment surface 39.
- the return circuit comprises one or more connecting channels 49 provided on the support body 16, and at least one connecting channel 50 provided on the retaining ring 38.
- the connecting channel 50 is fluidly connected to the connection channels 49 through via an annular internal groove 51 delimited by the mounting portion 17 and the retaining ring 38 and axially offset from the annular internal groove 47.
- Each connecting channel 49 is configured to be connected to the incompressible fluid return duct at low pressure 44, and opens into an annular external groove 52 defined by the mounting portion 17 and the front portion 4 and axially offset relative to the annular outer groove 48.
- the connecting channel 50 is fluidly connected to at least one channel link 53 provided on the extraction piston 35 and opening into the recoil chamber 42.
- the supply circuit, the return circuit, the recoil chamber 42 and the extraction piston 35 are configured so that, when a shock wave from the impact of the striking piston 5 against the press fit 6 is transmitted to the extraction piston 35 via the support flange 37 of the fitting 6 and that the extraction piston 35 is projected opposite the retaining ring 38, the recoil chamber 42 is supplied with incompressible fluid at high pressure and the incompressible fluid contained in the recoil chamber 42 then exerts a thrust force urging the extraction piston 35 towards the retaining ring 38.
- Such a rebound of the extraction piston 35 induces an impact of the support flange 41 of the extraction piston 35 against the support collar 37 of the fitting 6, which allows easy release of the tool after completion of the blasthole.
- the hydraulic perforating apparatus 2 comprises a first closure member 54 movably mounted on the front portion 4 between a closed position of the incompressible high pressure fluid supply duct 43 and an open position of the duct. supply of incompressible fluid at high pressure 43, and a second closure member 55 mounted to move on the front portion 4 between a closed position of the incompressible fluid return duct at low pressure 44 and an open position of the duct. return of incompressible fluid at low pressure 44.
- the cartridge 15 is configured to urge, in the mounted position on the front portion 4, the first and second closure members 54, 55 to their open position.
- the hydraulic perforating apparatus 2 also comprises a first and a second return element 56, 57 arranged to respectively urge the first and second closure members 54, 55 towards their closed position.
- the configuration of the first and second return elements 56, 57 and the cartridge 15 ensures an automatic closure of the incompressible high pressure fluid supply conduit 43 and the low pressure incompressible fluid return conduit 44 during disassembly of the cartridge 15 and an automatic opening of the high-pressure incompressible fluid supply duct 43 and the incompressible low-pressure fluid return duct 44 during the mounting of the cartridge 15.
- the hydraulic perforating apparatus 2 further comprises a drive device 58 configured to rotate the fitting 6 about an axis of rotation coinciding with the strike axis A.
- the drive device 58 comprises in particular a drive motor (not shown in the figures) mounted on the front portion 4 and equipped with an output shaft.
- the drive motor is advantageously hydraulic.
- the drive device 58 further comprises a coupling pinion 59 arranged around the fitting 6 and coupled in rotation with the fitting 6.
- the coupling pinion 59 comprises for example a plurality of longitudinal ribs distributed over its surface.
- the coupling portion 59 is further provided on its outer surface with a peripheral toothing 61 coupled in rotation directly or indirectly with the output shaft of the drive motor.
- the invention is not limited to the sole embodiment of this hydraulic perforating apparatus, described above as an example, it encompasses all the variants.
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Environmental & Geological Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Mechanical Engineering (AREA)
- Earth Drilling (AREA)
- Working Measures On Existing Buildindgs (AREA)
Abstract
Description
Claims
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020177008641A KR20170053653A (ko) | 2014-09-18 | 2015-09-04 | 시추공을 뚫기 위한 유압 드릴링 장치 |
AU2015316695A AU2015316695B2 (en) | 2014-09-18 | 2015-09-04 | Hydraulic drilling apparatus intended for drilling blast holes |
EP15767224.7A EP3194122A1 (fr) | 2014-09-18 | 2015-09-04 | Appareil de perforation hydraulique destiné à la perforation de trous de mine |
CA2960226A CA2960226A1 (fr) | 2014-09-18 | 2015-09-04 | Appareil de perforation hydraulique destine a la perforation de trous de mine |
US15/512,381 US10676997B2 (en) | 2014-09-18 | 2015-09-04 | Hydraulic drilling apparatus intended to drill boreholes |
CN201580050260.2A CN107109897B (zh) | 2014-09-18 | 2015-09-04 | 用于钻孔的液压钻孔设备 |
ZA2017/01457A ZA201701457B (en) | 2014-09-18 | 2017-02-27 | Hydraulic drilling apparatus intended for drilling blast holes |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1458798A FR3026041B1 (fr) | 2014-09-18 | 2014-09-18 | Appareil de perforation hydraulique destine a la perforation de trous de mine |
FR14/58798 | 2014-09-18 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2016042234A1 true WO2016042234A1 (fr) | 2016-03-24 |
Family
ID=52273240
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/FR2015/052349 WO2016042234A1 (fr) | 2014-09-18 | 2015-09-04 | Appareil de perforation hydraulique destiné à la perforation de trous de mine |
Country Status (9)
Country | Link |
---|---|
US (1) | US10676997B2 (fr) |
EP (1) | EP3194122A1 (fr) |
KR (1) | KR20170053653A (fr) |
CN (1) | CN107109897B (fr) |
AU (1) | AU2015316695B2 (fr) |
CA (1) | CA2960226A1 (fr) |
FR (1) | FR3026041B1 (fr) |
WO (1) | WO2016042234A1 (fr) |
ZA (1) | ZA201701457B (fr) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR3122207B1 (fr) * | 2021-04-21 | 2023-04-28 | Montabert Roger | Perforateur hydraulique roto-percutant |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2514820A1 (fr) * | 1981-10-19 | 1983-04-22 | Komatsu Mfg Co Ltd | Perforatrice hydraulique a percussion |
EP0113654A2 (fr) * | 1983-01-07 | 1984-07-18 | Vereinigte Edelstahlwerke Aktiengesellschaft (Vew) | Dispositif de forage avec rotation et/ou percussion |
EP0168382A1 (fr) * | 1984-07-06 | 1986-01-15 | Vereinigte Edelstahlwerke Aktiengesellschaft (Vew) | Dispositif pour le forage à percussion et/ou rotation |
FR2761112A1 (fr) * | 1997-03-21 | 1998-09-25 | Tamrock Oy | Configuration utilisee dans une foreuse de roche et procede de commande de forage de roche |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
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SE440873B (sv) * | 1981-02-11 | 1985-08-26 | Atlas Copco Ab | Hydrauliskt slagverk med reflexdempare innefattande leckspalter i serie med strypmunstycke |
CN2033855U (zh) * | 1988-03-31 | 1989-03-08 | 长沙市郊东方机电厂 | 内回转液压凿岩机 |
DE4113323A1 (de) * | 1991-04-24 | 1992-10-29 | Krupp Maschinentechnik | Schlagwerk fuer ein bohrgestaenge |
US5413186A (en) * | 1994-05-13 | 1995-05-09 | Reedrill, Inc. | Reverse percussion device |
SE528035C2 (sv) * | 2004-03-12 | 2006-08-15 | Atlas Copco Constr Tools Ab | Hydraulisk brythammare med smord verktygshylsa |
CN2761802Y (zh) * | 2005-01-19 | 2006-03-01 | 方莹 | 内回转液压凿岩枪 |
EP2313602A4 (fr) * | 2008-06-03 | 2015-11-11 | Atlas Copco Rock Drills Ab | Dispositif et procédé comprenant une tête de rinçage pour une perforatrice, et perforatrice comprenant le dispositif |
US20140144660A1 (en) * | 2010-09-10 | 2014-05-29 | Rockdrill Services Australia Pty Ltd. | Rock drill |
-
2014
- 2014-09-18 FR FR1458798A patent/FR3026041B1/fr not_active Expired - Fee Related
-
2015
- 2015-09-04 AU AU2015316695A patent/AU2015316695B2/en not_active Ceased
- 2015-09-04 US US15/512,381 patent/US10676997B2/en active Active
- 2015-09-04 CN CN201580050260.2A patent/CN107109897B/zh not_active Expired - Fee Related
- 2015-09-04 EP EP15767224.7A patent/EP3194122A1/fr not_active Withdrawn
- 2015-09-04 WO PCT/FR2015/052349 patent/WO2016042234A1/fr active Application Filing
- 2015-09-04 KR KR1020177008641A patent/KR20170053653A/ko not_active Application Discontinuation
- 2015-09-04 CA CA2960226A patent/CA2960226A1/fr not_active Abandoned
-
2017
- 2017-02-27 ZA ZA2017/01457A patent/ZA201701457B/en unknown
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2514820A1 (fr) * | 1981-10-19 | 1983-04-22 | Komatsu Mfg Co Ltd | Perforatrice hydraulique a percussion |
EP0113654A2 (fr) * | 1983-01-07 | 1984-07-18 | Vereinigte Edelstahlwerke Aktiengesellschaft (Vew) | Dispositif de forage avec rotation et/ou percussion |
EP0168382A1 (fr) * | 1984-07-06 | 1986-01-15 | Vereinigte Edelstahlwerke Aktiengesellschaft (Vew) | Dispositif pour le forage à percussion et/ou rotation |
FR2761112A1 (fr) * | 1997-03-21 | 1998-09-25 | Tamrock Oy | Configuration utilisee dans une foreuse de roche et procede de commande de forage de roche |
Also Published As
Publication number | Publication date |
---|---|
EP3194122A1 (fr) | 2017-07-26 |
US20170275958A1 (en) | 2017-09-28 |
US10676997B2 (en) | 2020-06-09 |
FR3026041A1 (fr) | 2016-03-25 |
CN107109897A (zh) | 2017-08-29 |
CA2960226A1 (fr) | 2016-03-24 |
AU2015316695A1 (en) | 2017-03-30 |
CN107109897B (zh) | 2019-11-08 |
AU2015316695B2 (en) | 2020-05-21 |
ZA201701457B (en) | 2021-04-28 |
FR3026041B1 (fr) | 2017-03-31 |
KR20170053653A (ko) | 2017-05-16 |
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