EP2029852A1 - Hydraulische drehschlagvorrichtung eines bohrers - Google Patents

Hydraulische drehschlagvorrichtung eines bohrers

Info

Publication number
EP2029852A1
EP2029852A1 EP07788917A EP07788917A EP2029852A1 EP 2029852 A1 EP2029852 A1 EP 2029852A1 EP 07788917 A EP07788917 A EP 07788917A EP 07788917 A EP07788917 A EP 07788917A EP 2029852 A1 EP2029852 A1 EP 2029852A1
Authority
EP
European Patent Office
Prior art keywords
axis
motor
tool
rotation
hydraulic
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
EP07788917A
Other languages
English (en)
French (fr)
Other versions
EP2029852B1 (de
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 EP2029852A1 publication Critical patent/EP2029852A1/de
Application granted granted Critical
Publication of EP2029852B1 publication Critical patent/EP2029852B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25D—PERCUSSIVE TOOLS
    • B25D16/00—Portable percussive machines with superimposed rotation, the rotational movement of the output shaft of a motor being modified to generate axial impacts on the tool bit
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25D—PERCUSSIVE TOOLS
    • B25D2211/00—Details of portable percussive tools with electromotor or other motor drive
    • B25D2211/006—Parallel drill and motor spindles
    • 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
    • B25D2250/125—Hydraulic tool components

Definitions

  • the invention relates to a hydraulic rotary percopercutant perforator type, for the perforation of boreholes.
  • Punchers are used in various applications, such as drilling quarries, tunnels or mines.
  • carrier on which there is a slide, the latter receiving a rotopercutant device, the punch type.
  • the punch is usually made of a striking mechanism and a rotation mechanism. This one, installed on the carrier, then receives a hydraulic power and transforms it into mechanical power of striking and rotation to make the holes of mining thanks to a bar of drill 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.
  • a striking mechanism equipped with a piston movable in translation along a strike axis and intended to strike a tool
  • a motor driving the tool in rotation along an axis of rotation substantially coinciding with the axis of striking of the piston.
  • the striking mechanism is attached to the rear face of the engine casing.
  • the motor is pneumatic. In this case, the presence of gears becomes necessary. This results in a significant cost of the device.
  • the invention aims to remedy these disadvantages by proposing a rotopercutant device of simple and compact structure, and whose manufacturing cost is reduced.
  • the invention relates to a hydraulic rotary percopercutant perforator type, for the perforation of boreholes, comprising: - a striking mechanism equipped with a piston movable in translation along a strike axis and intended to strike a tool,
  • a hydraulic motor driving the tool in rotation along an axis of rotation, the axis of rotation of the motor being substantially coincident with the axis of striking of the piston, characterized in that it comprises a housing forming a support, the mechanism of Striking is hydraulic and having a longitudinal body rotatably mounted in the housing along the axis of the body, the body being rotated directly by the motor and coupled to the tool.
  • Such a device does not require the presence of gears or other system, since the axis of rotation is substantially coincident with the axis of the striking mechanism.
  • the hydraulic motor is connected to two fluid supply lines, and the striking mechanism is supplied with fluid by two inlet and outlet ducts, intended to be connected respectively to high and low pressure supplies.
  • the tool is coupled to one end of the body.
  • the body is coupled to an output shaft of the engine at its end.
  • the motor is hollow shaft.
  • a body portion is integral in rotation with the hollow shaft of the motor.
  • Figure 1 is a longitudinal sectional view of a rotopercutant apparatus according to a first embodiment of the invention
  • Figure 2 is a view corresponding to Figure 1, another embodiment of the invention.
  • Figure 1 describes a first embodiment of the invention.
  • the rotopercutant apparatus namely a perforator, comprises a casing 1 equipped with a hydraulic motor 2 to which two supply lines 15 are connected.
  • the hydraulic motor 2 is situated at the rear of the perforator and has an output shaft. 3.
  • the perforator further comprises a hydraulic striking mechanism comprising a substantially cylindrical body 4, inside which is mounted a striking piston 5 displaceably in translation along the axis of the body 4.
  • the body 4 is coupled to the output shaft 3 of the hydraulic motor 2, at a first end at which is formed a central housing.
  • the coupling is achieved by means of a direct coaxial drive, for example of the type shaft and grooved housing or elastic coupling.
  • the axis of the body 4 thus coincides with the axis of rotation of the engine 2, the piston 5 being arranged so that the strike axis, that is to say the axis of translation of the piston 5 on which is located at the point of impact, namely the point where the resultant forces applied by the piston on the tool is exerted, coincides with the axis of rotation of the motor 2.
  • the rotation of the motor 2 is ensured by means of bearings or bearings 6 mounted between the casing 1 and the body 4.
  • the striking device is also equipped with a conventional distribution allowing the reciprocating displacement of the piston 5.
  • the fluid is thus brought to the striking device via inlet and outlet channels 7 and 8 respectively, intended to be connected respectively to high and low pressure supplies.
  • the body 4 of the striking device further comprises, at a second end, opposite the drive end, a housing for fitting a perforation tool 10.
  • This fitting is for example made by shape complementarity, through facets and / or splines.
  • the housing opens on the striking surface 11 of the piston 5, so that the tool 10 can be hit by the piston.
  • the hydraulic motor 2 drives the tool 10 in rotation through the body 4 of the striking mechanism, the piston 5, driven reciprocally, further striking the l tool 10.
  • FIG. 2 describes a second embodiment of the invention in which the same elements are designated by the same references as before.
  • the hydraulic motor 2 has a hollow shaft, the motor being disposed at the end of the fitting of the tool 10.
  • the body comprises, at this end, a drive zone 12 of diameter less than the diameter of the body 4.
  • This drive zone 12 whose outer diameter substantially corresponds to the internal diameter of the hollow shaft of the engine 2, is arranged in the latter, so that the axis of rotation of the body 4 coincides with the strike axis of the piston 5.
  • the two embodiments presented thus define a percussion apparatus of simple and inexpensive construction.
  • the invention is not limited to the embodiments of this system, described above by way of example, but it encompasses all variants.

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (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)
  • Mechanical Engineering (AREA)
  • Earth Drilling (AREA)
  • Percussive Tools And Related Accessories (AREA)
EP07788917.8A 2006-06-22 2007-06-22 Hydraulische drehschlagvorrichtung eines bohrers Active EP2029852B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0605609A FR2902821B1 (fr) 2006-06-22 2006-06-22 Appareil rotopercutant hydraulique du type perforatrice
PCT/FR2007/001038 WO2007147979A1 (fr) 2006-06-22 2007-06-22 Appareil rotopercutant hydraulique du type perforatrice

Publications (2)

Publication Number Publication Date
EP2029852A1 true EP2029852A1 (de) 2009-03-04
EP2029852B1 EP2029852B1 (de) 2017-08-09

Family

ID=37806107

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07788917.8A Active EP2029852B1 (de) 2006-06-22 2007-06-22 Hydraulische drehschlagvorrichtung eines bohrers

Country Status (11)

Country Link
US (1) US8413741B2 (de)
EP (1) EP2029852B1 (de)
JP (1) JP2009541617A (de)
KR (1) KR20090023578A (de)
AU (1) AU2007262865B2 (de)
CA (1) CA2654496C (de)
FR (1) FR2902821B1 (de)
IL (1) IL195209A0 (de)
NO (1) NO20090330L (de)
WO (1) WO2007147979A1 (de)
ZA (1) ZA200809165B (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4892761B2 (ja) * 2007-09-27 2012-03-07 ヤマモトロックマシン株式会社 穿孔装置
FR2964691B1 (fr) * 2010-09-13 2012-09-28 Montabert Roger Appareil rotopercutant hydraulique destine a la perforation de trous de mine

Family Cites Families (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE449946C (de) * 1927-09-23 Wilhelm Schwenteck Als Gesteinsbohrhammer mit staendig gedrehtem Meissel oder als Kohlendrehbohrmaschine verwendbarer Pressluftbohrer
US1605712A (en) * 1920-01-10 1926-11-02 George H Gilman Drilling machine
US1605714A (en) * 1920-01-31 1926-11-02 George H Gilman Drilling machine
CH90832A (de) * 1920-04-13 1921-10-01 Vinzenz Broggi Bohrhammer.
US1703842A (en) * 1920-12-23 1929-02-26 Sullivan Machinery Co Feeding mechanism
CH338419A (de) * 1952-11-25 1959-05-31 Meutsch Adolf Drehschlagbohrverfahren und Drehschlagbohrmaschine für Gestein und andere entsprechend harte Stoffe
US3107083A (en) * 1960-07-01 1963-10-15 Charles W Pewthers Impact hammer
US3230711A (en) * 1964-02-13 1966-01-25 Westinghouse Air Brake Co Hydraulic motor means
NO126144B (de) * 1970-12-07 1972-12-27 Moelven Brug As
US3918532A (en) * 1974-05-10 1975-11-11 Chicago Pneumatic Tool Co Hydraulic tool
US3918531A (en) * 1974-06-14 1975-11-11 Chicago Pneumatic Tool Co Hydraulic rock drill having automatic carriage feed
GB1499170A (en) * 1975-12-23 1978-01-25 Af Hydraulics Rotary and percussive drive devices for drilling tools
FR2364325A1 (fr) * 1976-09-09 1978-04-07 Moelven Brug As Perforatrice de rochers a commande hydraulique
FI60153C (fi) * 1978-05-11 1981-12-10 Tampella Oy Ab Slaganordning
US4192393A (en) * 1978-08-15 1980-03-11 Georex Industries, Inc. Helicopter portable earth drilling apparatus
US4478248A (en) * 1983-01-20 1984-10-23 Devall Donald L Rotary valve
US4702325A (en) * 1984-10-04 1987-10-27 James Hipp Apparatus and method for driving casing or conductor pipe
US4585080A (en) * 1985-02-04 1986-04-29 Bender Calvin P Portable rotary earth drilling apparatus
US5199151A (en) * 1989-11-13 1993-04-06 Earth Tool Corporation Method for making a pneumatic ground piercing tool
FR2699229B1 (fr) * 1992-12-11 1995-03-10 Poclain Hydraulics Sa Groupe moteur hydraulique d'entraînement d'un outil de forage.
DE4419499A1 (de) * 1994-06-03 1995-12-07 Interoc Vertriebsgesellschaft Hydraulisches Schlaggerät mit stufenlos regelbarer Schlagzahl und Schlagenergie

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO2007147979A1 *

Also Published As

Publication number Publication date
WO2007147979A1 (fr) 2007-12-27
CA2654496C (fr) 2015-02-03
CA2654496A1 (fr) 2007-12-27
IL195209A0 (en) 2009-08-03
KR20090023578A (ko) 2009-03-05
FR2902821A1 (fr) 2007-12-28
FR2902821B1 (fr) 2008-08-22
ZA200809165B (en) 2009-06-24
EP2029852B1 (de) 2017-08-09
US20090159305A1 (en) 2009-06-25
NO20090330L (no) 2009-01-21
US8413741B2 (en) 2013-04-09
JP2009541617A (ja) 2009-11-26
AU2007262865A1 (en) 2007-12-27
AU2007262865B2 (en) 2012-11-08

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