EP2616623B1 - Appareil rotopercutant hydraulique destiné à la perforation de trous de mine - Google Patents

Appareil rotopercutant hydraulique destiné à la perforation de trous de mine Download PDF

Info

Publication number
EP2616623B1
EP2616623B1 EP11764832.9A EP11764832A EP2616623B1 EP 2616623 B1 EP2616623 B1 EP 2616623B1 EP 11764832 A EP11764832 A EP 11764832A EP 2616623 B1 EP2616623 B1 EP 2616623B1
Authority
EP
European Patent Office
Prior art keywords
distributor
cylinder
control
hand
chamber
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.)
Active
Application number
EP11764832.9A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP2616623A1 (fr
Inventor
Jean-Sylvain Comarmond
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.)
Montabert SAS
Original Assignee
Montabert SAS
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 Montabert SAS filed Critical Montabert SAS
Publication of EP2616623A1 publication Critical patent/EP2616623A1/fr
Application granted granted Critical
Publication of EP2616623B1 publication Critical patent/EP2616623B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • E21B6/00—Drives for drilling with combined rotary and percussive action
    • 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
    • E21B6/04—Separate drives for percussion and rotation

Definitions

  • the present invention relates to a hydraulic rotary percopercutant perforator 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 rotopercutant device, the punch type.
  • a rotopercutant apparatus generally consists of a striking mechanism and a rotation mechanism. This device, installed on the carrier, then receives a hydraulic power and transforms it into mechanical power of striking and rotation to make the mining holes through a fitting, a drill bar and a cutter in contact with the rock.
  • the striking mechanism is generally rigidly assembled in the casing of the rotopercutant apparatus while the rotation mechanism comprising a motor mounted laterally on an axis parallel to that of the striking mechanism, drives in rotation, by means of reduction gears. , the fitting of the drill bar. This fitting is therefore driven by a rotational movement and receives the impacts, provided by the piston, of the striking mechanism.
  • the document FR 2 902 821 discloses a rotopercutant apparatus comprising a support housing, and a striking mechanism comprising a longitudinal body, rotatably mounted in the housing along the axis of the body, comprising a cylinder extending along the axis of the body, a striking piston slidably mounted within the cylinder and intended to strike a fitting coupled to at least one drill bar, and a dispensing device arranged to control an alternating movement of the striking piston along the axis of the body.
  • the rotopercutant apparatus further comprises a motor arranged to rotate the body of the striking mechanism along an axis of rotation substantially coinciding with the axis of the body.
  • the dispensing device belonging to the rotopercutant apparatus describes the document FR 2 902 821 comprises, although not shown in the figures, an annular distributor disposed around the striking piston.
  • the document GB 670,538 discloses a pneumatic rotopercutant apparatus comprising a housing, and a pneumatic striking mechanism comprising a longitudinal body, rotatably mounted in the housing along the axis of the body, comprising a cylinder extending along the axis of the body, a piston of slitting slidably mounted within the cylinder and arranged to strike a fitting of a drill bar, and a dispensing device arranged to control an alternating movement of the striking piston along the axis of the body.
  • the dispensing device comprises a coupling surrounding the body of the striking mechanism and intended to be connected to a source of compressed air, and different channels arranged to allow the supply of compressed air volumes disposed on either side of the piston in order to ensure its reciprocating movement, the different channels being formed on the coupling, the casing and the striking piston itself.
  • Such a dispensing device has the particular consequence of complicating the structure of the rotopercutant apparatus.
  • the rotopercutant apparatus described in the document GB 670,538 further comprises a pneumatic motor arranged to rotate the body of the striking mechanism along an axis of rotation substantially coinciding with the axis of the body.
  • 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 rotopercutant device which is simple in structure, economical and compact, and has improved performance.
  • closure cover comprises at least partly the dispensing device makes it possible to obtain a more compact rotopercutting device, and to use a distributor of smaller dimensions, which limits the leakage of fluid under pressure and thus improves the performance of the device.
  • the rotopercutant apparatus is hydraulic, and therefore the engine is a hydraulic motor and the striking mechanism is a hydraulic striking mechanism, makes it possible to overcome the presence of pinions and toothed wheels, which decreases the cost of the device.
  • the closure lid is directly rotatably coupled to the output shaft of the engine.
  • the apparatus comprises a high pressure fluid supply circuit, a low pressure return circuit, and a vacuum chamber. thrust delimited at least in part by the body and the striking piston and arranged to be put alternately in relation with the supply circuit and the return circuit, under the action of the dispensing device.
  • the dispensing device comprises a distributor and distributor movement control means arranged at least in part in the closure lid.
  • the distributor is mounted in a first bore formed in the closure lid.
  • the distributor comprises a first control face and a second control face opposite to the first face
  • the control means comprise at least a first control channel opening on the one hand in the cylinder and on the other hand in a first portion of the first bore located on the side of the first face of the distributor, and a second control channel opening on the one hand in the cylinder and on the other hand in a second portion of the first bore located on the side of the second face of the dispenser, the first and second control channels being formed at least partly in the closure cap and being arranged to control the distributor according to the position of the striking piston in the cylinder.
  • the dispenser comprises a central portion, a first end portion extending parallel to the axis of the dispenser and a second end portion opposing the first end portion and extending in parallel.
  • the central portion is slidably mounted in a second bore formed in the body of the striking mechanism, the first end portion is slidably mounted in a housing formed in the closure cap and opening into the second bore and the second end portion is slidably mounted in a housing formed in the body and opening into the second bore.
  • control means comprise a first control chamber delimited by the free end of the first end portion and the closure cover, a second control chamber delimited by the free end of the second end portion and the body, a first control channel permanently connected to the supply circuit and opening into the first control chamber, and a second control channel opening on the one hand in the cylinder and on the other part in the second control chamber, the second control channel being arranged to be put alternately in relation with the supply circuit and the return circuit, depending on the position of the piston cylinder in cylinder.
  • the first control channel is formed at least partly in the closure lid.
  • the second end portion has a section greater than that of the first end portion.
  • the distributor is slidably mounted in the cylinder and comprises a tubular portion whose end facing the striking piston is closed by a bottom wall delimiting, with the striking piston and the body, the chamber thrust.
  • control means comprise at least a first control chamber delimited at least in part by the closure cap and the tubular portion of the distributor, and a first control channel opening on the one hand in the first control chamber and on the other. secondly in the cylinder, the first control channel being arranged to be connected alternately to the supply circuit and the return circuit, depending on the position of the striking piston in the cylinder.
  • the bottom wall of the distributor has at least one calibrated orifice, preferably axial, arranged to put in communication the thrust chamber and the first control chamber.
  • the dispensing device comprises a thrust portion extending parallel to the axis of the distributor and slidably mounted in a housing formed in the closure lid, the thrust portion comprising a first end and an opposite second end. at the first end, arranged to cooperate with the bottom wall of the distributor, and the control means comprise at least a second control chamber defined by the closure cover and the first end of the pushing portion, and a second channel of pilot opening into the second control chamber and permanently connected to the supply circuit.
  • the thrust portion is integral with the dispenser and extends from the bottom wall of the latter.
  • the thrust portion is not integral with the distributor, and is formed by a part independent of the latter.
  • the dispenser is slidably mounted in the cylinder between a first, so-called close position, in which the tubular portion of the dispenser is located close to the closure cap, and preferably bears against the closure cap, and a second position , said remote, in which the tubular portion of the distributor is located at a distance from the closure lid, and in that the striking piston is arranged to move the distributor from the second position to the first position during its recoil stroke.
  • the dispensing device comprises at least a first distribution channel opening on the one hand into the cylinder or bore in which the distributor is mounted and on the other hand into a first annular chamber delimited by the casing and the body and connected to the supply circuit, and a second distribution channel opening on the one hand into the cylinder or the bore in which the distributor is mounted and on the other hand into a second annular chamber defined by the housing and the body and connected the return circuit, the first and second distribution channels being arranged to be connected alternately to the thrust chamber under the action of the distributor.
  • the first and second distribution channels are arranged to be connected alternately to the thrust chamber through the distributor.
  • the apparatus comprises rolling means arranged between the closure cap and the housing.
  • rolling means make it possible to withstand the translational forces induced on the body and to avoid possible mechanical friction between the closure cap and the casing.
  • the apparatus comprises a fitting comprising a first portion coupled in rotation to the body of the striking mechanism and a second portion rotatably coupled to at least one drill bar comprising a tool intended to be in contact with a rock to perforated.
  • the apparatus advantageously comprises a fluid injection circuit arranged to bring an injection fluid from a fluid supply pipe to the tool and the rock to be punched so as to extract, during drilling, the rock debris out of a borehole.
  • the body defines, with the striking piston, a recoil chamber permanently connected to a high-pressure power source and arranged to return the striking piston to a position remote from the fitting.
  • the figure 1 represents a hydraulic rotary percopercutant device 2 of the perforator type, intended for the perforation of boreholes.
  • the rotopercutant apparatus 2 comprises a casing 3 to which are connected a high-pressure fluid supply circuit 4 and a low-pressure return circuit 5.
  • the casing 3 is equipped with a hydraulic motor 6 comprising an output shaft 7, the hydraulic motor 6 being located at the rear of the apparatus.
  • the rotopercutant apparatus 2 further comprises a striking mechanism comprising a body 8, substantially cylindrical, rotatably mounted in the housing 3 along the axis A of the body and in which is formed a cylinder 9 extending along the axis 8.
  • the striking mechanism also comprises a striking piston 11 slidably mounted inside the cylinder 9, and a closure cap 12 fixedly mounted on the body 8 and arranged to close a first end of the body.
  • the closure cover 12 is rotatably coupled to the output shaft 7 of the hydraulic motor 6. Coupling is achieved by means of a direct coaxial drive, for example of the type shaft and grooved housing or elastic coupling.
  • the axis A of the body 8 and the closure cover 12 coincide with the axis of rotation B of the motor 6.
  • the hydraulic motor 6 is arranged to rotate in the housing 3, the body 8 around the axis A of the latter.
  • the rotopercutant apparatus 2 comprises a fitting 13 comprising a first portion 13a rotatably coupled to the body 8 and a second portion 13b intended to be rotatably coupled to at least one boring bar (not shown in the figures) comprising a tool intended to to be in contact with a rock to be perforated.
  • the rotopercutant apparatus 2 also comprises a thrust chamber 14 delimited by the body 8, the striking piston 11 and the closure cover 12, and a recoil chamber 15 subjected to the supply pressure of the high pressure source, and delimited by the body 8 and the striking piston 11.
  • the rotopercutant apparatus 2 further comprises a dispensing device arranged to control an alternating movement of the striking piston 11 inside the cylinder 9.
  • the dispensing device comprises a distributor 16 slidably mounted in a bore 17 formed in the cover of closure 12, the distributor 16 comprising a first control face and a second control face opposite to the first face.
  • the dispensing device further comprises a first distribution channel 18 opening on the one hand into the bore 17 and on the other hand into a first annular chamber 19 defined by the casing 3 and the body 8 and connected to the supply circuit 4, and a second distribution channel 20 opening on the one hand in the bore 17 and on the other hand in a second annular chamber 21 delimited by the casing 3 and the body 8 and connected to the return circuit 5.
  • the first and second second distribution channels 18, 20 are formed in part in the closure cover 12 and partly in the body 8, and are arranged to be connected alternately to the thrust chamber 14 under the action of the distributor 16 and via a connecting channel 22, formed in the closure cover 12, opening on the one hand in the bore 17 and on the other hand in the thrust chamber 14.
  • the thrust chamber 14 is intended for to be connected alternativem at feed circuit 4 and return circuit 5.
  • the dispensing device also comprises control means arranged to control the triggering of the movement of the distributor 16.
  • the control means comprise a first control channel 23 opening on the one hand in the cylinder 9 and on the other hand in the bore 17 opposite the first face of the distributor 11, and a second control channel 24 opening on the one hand in the cylinder 9 and on the other hand in the bore 17 facing the second face of the distributor 11.
  • the first and second control channels 23, 24 are formed in part in the closure cover 12 and in the body 8.
  • the first and second control channels 23, 24 are arranged to control the distributor 16 according to the position of the striking piston 11 in the cylinder 9, and more particularly to trigger the movement of the distributor 16 is in one direction or in the other direction according to the position of the striking piston 11 in the cylinder.
  • the rotopercutant apparatus 2 comprises a fluid injection circuit 25 arranged to bring an injection fluid from a fluid supply pipe to the tool and the rock to be perforated so as to extract, during drilling, rock debris out of a borehole.
  • the striking mechanism when the striking mechanism is not powered, the operator can cause a significant thrust of the drill bar on the fitting 13 which then pushes the body 8 and the closure cap against the flange 27, causing significant friction between the closure cover and the housing can affect the operation of the rotopercutant device.
  • the figure 2 represents a rotopercutant apparatus 2 according to a second embodiment that overcomes this disadvantage.
  • the rotopercutant apparatus comprises a thrust bearing 26 or roller disposed between the closure cover 12 and the housing 3, and more particularly between the face of the closure cover 12 opposite to the striking piston 11 and a rear flange 27 of the casing 3.
  • the presence of the thrust bearing 26 prevents damaging contact between the closure cover 12 and the flange 27 fixed to the housing 3, including when the striking mechanism is not powered.
  • the figure 3 represents a rotopercutant apparatus 2 according to a third embodiment.
  • the dispenser 32 comprises a central portion 33, a first end portion 34 extending along the axis of the dispenser and having a section smaller than that of the central portion, and a second portion of end 35, antagonist at the first end portion, extending along the axis of the dispenser and having a section smaller than that of the central portion 33 and greater than that of the first end portion 34.
  • the central portion 33 is slidably mounted in a bore 36 formed in the body 8 of the striking mechanism, while the first end portion 34 is slidably mounted in a housing of complementary shape formed in the closure cover 12 and opening into the bore 36, and the second end portion 35 is slidably mounted in a housing of complementary shape formed in the body 8 and opening into the bore 36.
  • the control means comprise a first control chamber 37 delimited by the free end of the first end portion 34 and the closure cover 12, and a first control channel 38 opening on the one hand into the connected annular chamber 19. continuously at the supply circuit and secondly in the first control chamber 37.
  • the control means also comprise a second control chamber 39 delimited by the free end of the second end portion 35 and the body 8. , and a second control channel 41 opening on the one hand into the cylinder 9 and on the other hand into the second control chamber 39.
  • the second control channel 41 is arranged to be alternately in communication with the supply circuit 4 and the return circuit 5, depending on the position of the striking piston 11 in cylinder 9.
  • first and second distribution channels 18, 20, the second control channel 41 and the connecting channel 22 are formed in the body 8, while the first control channel 38 is formed in part in the cover closing 12 and partly in the body 8.
  • the Figures 4 and 5 represent a rotopercutant apparatus 2 according to a fourth embodiment.
  • the distributor 42 is slidably mounted in the cylinder 9 and comprises a tubular portion 43 whose end facing the striking piston 11 is closed by a bottom wall 44 delimiting, with the striking piston 11 and the body 8, the thrust chamber 14.
  • the dispenser 42 further comprises a thrust portion 45 extending from the bottom wall 44 along the axis of the dispenser.
  • the thrust portion 45 is slidably mounted in a tubular portion 46 projecting from the face of the closure cover 12 turned on the side of the striking piston 11.
  • the control means comprise a first control chamber 47 delimited at least in part by the tubular portion 46 of the closure cover 12, the tubular portion 43 of the distributor 42 and an annular groove 48 formed in the face of the closure cover 12 facing towards the driving piston 11.
  • the control means also comprise a first control channel 49 opening on the one hand in the first control chamber 47, and more particularly in the annular groove 48, and on the other hand in the cylinder 9.
  • the first control channel 49 is arranged to be connected alternately to the supply circuit 4 and to the return circuit 5, depending on the position of the striking piston 11 in the cylinder 9.
  • the control means furthermore comprise a second control chamber 51 delimited by the closure cover 12 and the free end of the thrust portion 45, and a second control channel 52, formed partly in the cover 12, opening through partly in the second control chamber 51 and secondly in the annular chamber 19 permanently connected to the supply circuit 4.
  • the reciprocating movement of the distributor 42 is obtained by communicating the first control chamber 47 alternately with the supply circuit 4 and the return circuit 5, so that the force resultant applied to the distributor is exercised successively in one direction and the other.
  • the bottom wall 44 of the distributor 42 has a plurality of calibrated orifices 53 opening on the one hand into the thrust chamber 14 and on the other hand into the first control chamber 47, and an annular sealing rib 54 facing towards the tubular portion 46 and arranged to cooperate with the free end of the latter so as to prevent the relationship between the thrust chamber 14 and the first pilot chamber 47 through the calibrated orifices 53.
  • first and second control channels 49, 52 are formed partly in the closure cover 12 and partly in the body 8, and that the first and second distribution channels 18, 20 open into the cylinder 9 .
  • the initial state is the one represented at figure 4 , in which the distributor 42 is in a bearing position against the closure cap and the striking piston 11 is in a bearing position against the distributor 42.
  • the resultant forces applied to the distributor 42 maintains it in its position shown on the figure 4 , the first pilot chamber 47 being connected to the return circuit 5, in particular via the first control channel 49 and the striking piston 11.
  • the resultant of the forces applied to the striking piston 11 causes the striking stroke of the piston 11 on the fitting 13, since the thrust chamber 14 is connected to the supply circuit 4 via the first distribution channel 18.
  • the striking piston 11 Due to the pressure exerted on the striking piston 11 by the pressurized fluid contained in the chamber 15 and the communication of the thrust chamber 14 with the return circuit 5, the resultant of the forces applied to the striking piston 11 during the recoil stroke, the striking piston 11 carries with it the distributor 42 to the contact on the closure cover 12. The striking piston 11 and the distributor 42 are found in their position represented on the figure 4 , and the next cycle can then be initiated.
  • the figure 6 represents a distribution device that differs from that shown in the Figures 4 and 5 essentially in that the thrust portion 45a is formed by a part independent of the distributor 42, but whose movement remains integral with that of the distributor 42.
  • the invention is not limited to the embodiments of this rotopercutant apparatus, described above as examples, it encompasses all the variants.

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Earth Drilling (AREA)
  • Portable Nailing Machines And Staplers (AREA)
EP11764832.9A 2010-09-13 2011-09-02 Appareil rotopercutant hydraulique destiné à la perforation de trous de mine Active EP2616623B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1057262A FR2964691B1 (fr) 2010-09-13 2010-09-13 Appareil rotopercutant hydraulique destine a la perforation de trous de mine
PCT/FR2011/052008 WO2012089949A1 (fr) 2010-09-13 2011-09-02 Appareil rotopercutant hydraulique destiné à la perforation de trous de mine

Publications (2)

Publication Number Publication Date
EP2616623A1 EP2616623A1 (fr) 2013-07-24
EP2616623B1 true EP2616623B1 (fr) 2016-03-02

Family

ID=43806706

Family Applications (1)

Application Number Title Priority Date Filing Date
EP11764832.9A Active EP2616623B1 (fr) 2010-09-13 2011-09-02 Appareil rotopercutant hydraulique destiné à la perforation de trous de mine

Country Status (9)

Country Link
US (1) US9194182B2 (es)
EP (1) EP2616623B1 (es)
KR (1) KR101721893B1 (es)
CN (1) CN102400643B (es)
AU (1) AU2011351026B2 (es)
CA (1) CA2808992C (es)
ES (1) ES2573678T3 (es)
FR (1) FR2964691B1 (es)
WO (1) WO2012089949A1 (es)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104453704B (zh) * 2014-11-18 2016-08-24 长沙天和钻具机械有限公司 一种液压钻机顶锤式冲击旋转动力头
CN104389515B (zh) * 2014-11-18 2016-08-24 长沙天和钻具机械有限公司 一种液压钻机冲击锤

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB670538A (en) * 1949-08-16 1952-04-23 Atlas Diesel Ab Improvements in power operated twist drills
US3074381A (en) * 1961-07-12 1963-01-22 Joy Mfg Co Rock drill rotation mechanism
FR2129276A5 (es) * 1971-03-18 1972-10-27 Montabert Ets
GB1343857A (en) * 1972-05-17 1974-01-16 Moelven Brug As Pressure-medium operated percussion or impact apparatus
US3807512A (en) * 1972-12-29 1974-04-30 Texaco Inc Percussion-rotary drilling mechanism with mud drive turbine
JPH06108770A (ja) * 1992-08-31 1994-04-19 Sig (Schweiz Ind Ges) ロックドリル用ドリル装置
FR2837523B1 (fr) * 2002-03-19 2004-05-14 Montabert Sa Marteau perforateur hydraulique roto-percutant
FR2863671B1 (fr) * 2003-12-11 2006-01-13 Montabert Roger Dispositif de regulation de pression pour appareil hydraulique a percussion
FR2902821B1 (fr) 2006-06-22 2008-08-22 Montabert Soc Par Actions Simp Appareil rotopercutant hydraulique du type perforatrice

Also Published As

Publication number Publication date
US20130168153A1 (en) 2013-07-04
CN102400643B (zh) 2015-11-25
FR2964691A1 (fr) 2012-03-16
AU2011351026B2 (en) 2016-05-12
CA2808992A1 (fr) 2012-07-05
WO2012089949A1 (fr) 2012-07-05
KR101721893B1 (ko) 2017-03-31
FR2964691B1 (fr) 2012-09-28
AU2011351026A1 (en) 2013-04-04
KR20140005867A (ko) 2014-01-15
CA2808992C (fr) 2018-06-12
ES2573678T3 (es) 2016-06-09
CN102400643A (zh) 2012-04-04
EP2616623A1 (fr) 2013-07-24
US9194182B2 (en) 2015-11-24

Similar Documents

Publication Publication Date Title
FR2647870A1 (fr) Appareil de percussion hydraulique avec dispositif d'amortissement des ondes de choc en retour
CH636794A5 (fr) Perforatrice a percussion.
EP3212362B1 (fr) Appareil à percussions
EP1492648B2 (fr) Marteau perforateur hydraulique roto-percutant
FR2639279A1 (fr) Appareil de percussion hydraulique avec dispositif de frappe en retrait amortie
CH617117A5 (es)
EP3752325B1 (fr) Perforateur hydraulique roto-percutant pourvu d'une chambre de commande reliée en permanence à un accumulateur basse pression
EP2616623B1 (fr) Appareil rotopercutant hydraulique destiné à la perforation de trous de mine
FR2477960A1 (fr) Mecanisme de presse hydraulique a course rapide puis lente
EP4053374B1 (fr) Perforateur hydraulique roto-percutant pourvu d'un piston de butée et d'une chambre de freinage
EP4052854B1 (fr) Perforateur hydraulique roto-percutant pourvu d'un piston de butée
EP2029852B1 (fr) Appareil rotopercutant hydraulique du type perforatrice
FR2596681A1 (fr) Appareil de percussion hydraulique avec dispositif d'amortissement des ondes de choc en retour
FR2863671A1 (fr) Dispositif de regulation de pression pour appareil hydraulique a percussion
EP4127374B1 (fr) Perforateur hydraulique roto-percutant pourvu d'un emmanchement équipé de cannelures d'accouplement
EP0088705A1 (fr) Marteau pneumatique du type "fond-de-trou"
BE833220A (fr) Machine hydraulique a percussion
FR3026041A1 (fr) Appareil de perforation hydraulique destine a la perforation de trous de mine
WO2019158849A1 (fr) Procédé de réglage de la course de frappe d'un piston de frappe d'un appareil à percussions, et un appareil à percussions pour la mise en œuvre de ce procédé
FR3007308A1 (fr) Machine de percage portative
BE383715A (es)

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

17P Request for examination filed

Effective date: 20130304

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

DAX Request for extension of the european patent (deleted)
GRAP Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOSNIGR1

INTG Intention to grant announced

Effective date: 20151112

GRAS Grant fee paid

Free format text: ORIGINAL CODE: EPIDOSNIGR3

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

REG Reference to a national code

Ref country code: GB

Ref legal event code: FG4D

Free format text: NOT ENGLISH

REG Reference to a national code

Ref country code: AT

Ref legal event code: REF

Ref document number: 778197

Country of ref document: AT

Kind code of ref document: T

Effective date: 20160315

Ref country code: CH

Ref legal event code: EP

REG Reference to a national code

Ref country code: IE

Ref legal event code: FG4D

Free format text: LANGUAGE OF EP DOCUMENT: FRENCH

REG Reference to a national code

Ref country code: DE

Ref legal event code: R096

Ref document number: 602011023655

Country of ref document: DE

REG Reference to a national code

Ref country code: ES

Ref legal event code: FG2A

Ref document number: 2573678

Country of ref document: ES

Kind code of ref document: T3

Effective date: 20160609

REG Reference to a national code

Ref country code: NL

Ref legal event code: FP

REG Reference to a national code

Ref country code: SE

Ref legal event code: TRGR

REG Reference to a national code

Ref country code: LT

Ref legal event code: MG4D

REG Reference to a national code

Ref country code: AT

Ref legal event code: MK05

Ref document number: 778197

Country of ref document: AT

Kind code of ref document: T

Effective date: 20160302

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: NO

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20160602

Ref country code: HR

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20160302

Ref country code: GR

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20160603

REG Reference to a national code

Ref country code: FR

Ref legal event code: PLFP

Year of fee payment: 6

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: LT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20160302

Ref country code: RS

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20160302

Ref country code: PL

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20160302

Ref country code: LV

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20160302

Ref country code: AT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20160302

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: EE

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20160302

Ref country code: IS

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20160702

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: SM

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20160302

Ref country code: SK

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20160302

Ref country code: RO

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20160302

Ref country code: PT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20160704

Ref country code: CZ

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20160302

REG Reference to a national code

Ref country code: DE

Ref legal event code: R097

Ref document number: 602011023655

Country of ref document: DE

PLBE No opposition filed within time limit

Free format text: ORIGINAL CODE: 0009261

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: DK

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20160302

26N No opposition filed

Effective date: 20161205

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: BE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20160930

Ref country code: SI

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20160302

Ref country code: BG

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20160602

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: MC

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20160302

REG Reference to a national code

Ref country code: CH

Ref legal event code: PL

REG Reference to a national code

Ref country code: IE

Ref legal event code: MM4A

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: CH

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20160930

Ref country code: LI

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20160930

Ref country code: IE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20160902

REG Reference to a national code

Ref country code: FR

Ref legal event code: PLFP

Year of fee payment: 7

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: LU

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20160902

REG Reference to a national code

Ref country code: BE

Ref legal event code: MM

Effective date: 20160930

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: CY

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20160302

Ref country code: HU

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT; INVALID AB INITIO

Effective date: 20110902

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: MT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20160302

Ref country code: MK

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20160302

REG Reference to a national code

Ref country code: FR

Ref legal event code: PLFP

Year of fee payment: 8

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: AL

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20160302

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: TR

Payment date: 20230822

Year of fee payment: 13

Ref country code: IT

Payment date: 20230908

Year of fee payment: 13

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: SE

Payment date: 20230922

Year of fee payment: 13

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: ES

Payment date: 20231006

Year of fee payment: 13

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: NL

Payment date: 20240815

Year of fee payment: 14

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: FI

Payment date: 20240910

Year of fee payment: 14

Ref country code: DE

Payment date: 20240815

Year of fee payment: 14

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: GB

Payment date: 20240731

Year of fee payment: 14

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: FR

Payment date: 20240731

Year of fee payment: 14