EP2772606A1 - Dispositif d'entraînement et procédé destiné au fonctionnement d'un dispositif d'entraînement - Google Patents

Dispositif d'entraînement et procédé destiné au fonctionnement d'un dispositif d'entraînement Download PDF

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Publication number
EP2772606A1
EP2772606A1 EP13157000.4A EP13157000A EP2772606A1 EP 2772606 A1 EP2772606 A1 EP 2772606A1 EP 13157000 A EP13157000 A EP 13157000A EP 2772606 A1 EP2772606 A1 EP 2772606A1
Authority
EP
European Patent Office
Prior art keywords
adapter
drive
output shaft
drive device
linkage
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
EP13157000.4A
Other languages
German (de)
English (en)
Other versions
EP2772606B1 (fr
Inventor
Andreas Pikowski
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.)
Eurodrill GmbH
Original Assignee
Eurodrill GmbH
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 Eurodrill GmbH filed Critical Eurodrill GmbH
Priority to DK13157000T priority Critical patent/DK2772606T3/en
Priority to PL13157000T priority patent/PL2772606T3/pl
Priority to EP13157000.4A priority patent/EP2772606B1/fr
Priority to US14/190,898 priority patent/US9932773B2/en
Publication of EP2772606A1 publication Critical patent/EP2772606A1/fr
Priority to HK14111617.4A priority patent/HK1198195A1/xx
Application granted granted Critical
Publication of EP2772606B1 publication Critical patent/EP2772606B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • E21B7/00—Special methods or apparatus for drilling
    • E21B7/002—Drilling with diversely driven shafts extending into the borehole
    • 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

Definitions

  • the invention relates to a drive device for driving a drill pipe according to the preamble of claim 1 and to a method for operating a drive device.
  • the drive device comprises a drive device with a rotary drive and a vibration drive for rotating and axially vibrating an output shaft and an adapter device which is coupled to the output shaft and comprises an outer adapter for connecting an outer linkage and an inner adapter for connecting an inner linkage.
  • a drive device of the type mentioned is for example in the EP 2 444 587 A1 disclosed.
  • an output shaft is rotated by means of a rotary drive and generates a vibration of the output shaft by means of a vibration drive.
  • an adapter is provided, to which both an inner rod and an outer rod can be connected. The rotational movement and the vibration are transmitted in this case to the same extent on the inner rod and the outer rod.
  • a second rotary drive can be provided with a separate output shaft, to which the inner linkage can be connected. In this way, inner linkage and outer linkage can be driven independently.
  • the invention has for its object to provide a drive device and a method for operating a drive device, which allow a particularly economic creation of a borehole.
  • the outer adapter is adapted to transmit the rotational movement and the axially vibrating movement of the output shaft to the outer rod, and that the inner adapter is axially displaceably and resiliently mounted in the outer adapter.
  • a rotating and axially vibrating movement is transmitted to an output shaft, the rotating and axially vibrating movement of the output shaft transmitted to an outer adapter, which is coupled to an outer linkage, and the rotational movement of the outer adapter and / or the output shaft transmit an inner adapter, which is coupled to an inner rod.
  • the inner adapter is axially displaceable and resiliently mounted in the outer adapter.
  • a first basic idea of the invention can be seen in coupling the outer adapter to the output shaft in such a way that the rotational movement and the vibration of the output shaft are transmitted to the outer adapter and from there to the outer rod.
  • the outer adapter is thus connected to the transmission of rotations and axial movements fixed to the output shaft.
  • a second basic idea of the invention can be seen in the axially movable relative to the outer adapter or the output shaft to store the inner adapter in order not to transmit the axially vibrating movement of the output shaft or at least reduced to the inner rod.
  • the inner adapter is movable in the axial direction of the drill string by a defined amount, wherein the movement of the inner adapter is preferably limited relative to the outer adapter.
  • the inner adapter is mounted within the outer adapter coaxially thereto.
  • a vibration can be transmitted to an outer linkage, while the transmission of vibration to the inner linkage is at least reduced by the axially displaceably mounted inner adapter.
  • the axial movement of the inner adapter and thus of the inner linkage is thus largely decoupled from the axial movement of the outer adapter or outer linkage.
  • the adapter device can accordingly also be referred to as a decoupling device.
  • the drive device is set up to transmit a vibration movement of an output shaft unchanged to an outer linkage, while the transmission to an inner linkage mounted in the outer linkage is attenuated or attenuated.
  • the decoupling of outer linkage and inner linkage with regard to the transmission of a vibration can be carried out in extreme cases so that no vibrations are generated on the inner linkage.
  • a driver toothing is preferably provided for transmitting the rotary motion to the inner linkage.
  • a driver toothing is characterized in particular by an axial displaceability of the meshing tooth flanks. In this way, a rotational movement can be transmitted to the inner adapter with an axial mobility of the inner adapter.
  • Outer linkage and inner linkage preferably rotate at the same angular velocity.
  • the transmission of the rotational movement on the inner adapter is preferably carried out via the outer adapter.
  • the inner adapter is coupled via a driver toothing with the outer adapter.
  • the rotational movement of the output shaft can also directly, for example via a driver toothing, from the output shaft to the inner adapter be transmitted.
  • a spring device with at least one spring element is provided for resilient mounting of the inner adapter in the outer adapter, which is designed as a biasing spring and / or as a pneumatic spring unit.
  • the spring device has at least two counteracting spring elements, for example compression and / or tension springs.
  • the oppositely acting, separate spring elements effectively cushion the opposite axial movements of the inner adapter.
  • the axial movement of the inner adapter in the outer adapter is thus sprung in both directions, the respective spring properties can be adjusted separately by the independent spring elements.
  • an axial guide for axially guiding the inner adapter along the outer adapter is provided between the spring elements.
  • the axial guide which may be formed in particular by the driver toothing and thus formed as it were for the transmission of torque, ensures a reliable coaxial guidance of the inner adapter in the outer adapter.
  • the vibration on the output shaft can be produced in a particularly economical way by the fact that the vibration drive comprises rotating masses.
  • the rotating masses each include an eccentric weight and are set in a synchronized rotational movement, so that the unbalanced portions acting radially to the longitudinal axis compensate each other.
  • the axially acting vibration movements are transmitted to the output shaft via a suitable transmission device, for example an axial or thrust bearing.
  • the output shaft is preferably rotatably mounted relative to the vibration drive.
  • To transmit the rotational movement to the output shaft of the rotary drive preferably comprises a rotationally driven main or drive shaft, which is preferably coupled via a driver toothing, with the output shaft.
  • the output shaft is preferably axially movable relative to the drive shaft of the rotary drive stored.
  • the output shaft is passed through the designed as a hollow shaft drive shaft and rotationally coupled thereto via the driver teeth.
  • the main shaft may be driven, for example, via a driven by a rotary drive pinion.
  • a compact and protected drive device can be provided by accommodating the rotary drive and the vibration drive in a common housing.
  • the vibration drive is preferably mounted axially movable in the housing.
  • the rotary drive is preferably arranged on the side facing the adapter device side of the vibration drive.
  • the output shaft does not need to be passed through the vibration drive in this way.
  • the adapter device For coupling with the output shaft, the adapter device preferably comprises a flange and / or a thread.
  • the adapter device is preferably releasably secured by means of fastening elements on the output shaft.
  • the output shaft preferably also includes a flange and / or a thread.
  • the output shaft is provided with an annularly arranged around the outer periphery of the output shaft connecting flange.
  • the adapter device preferably comprises a corresponding flange section.
  • the inner linkage is coupled at its end opposite the adapter device with a percussion drive for generating a striking movement of a drilling tool.
  • the preferably hydraulically operated percussion drive can generate an axially reversing movement of the drilling tool driven in rotation by the inner rod independently of the vibration drive. In this way, depending on the soil conditions, the drilling progress can be significantly increased.
  • the percussion drive may have an axially upwardly and downwardly movable hammer.
  • annular drilling tool On the rotating and vibrating driven outer linkage, an annular drilling tool is preferably attached, which may also be referred to as a ring bit.
  • the percussion drive which may in particular be a so-called down-the-hole hammer, is provided in particular for predrilling the borehole by a striking and simultaneously rotating movement.
  • the rotational movement is provided here by the rotary drive arranged outside the borehole, while the striking motion is produced by the impact drive located in the borehole.
  • the percussion drive is preferably arranged in the immediate vicinity of the inner drill bit, that is, between inner rod and inner drill bit.
  • the impact forces are transmitted directly, not via the inner linkage, to the internal drilling tool.
  • the inner bit so the drilling tool of the inner rod, this is suitably axially against the drill collar of the outer rod before.
  • a reliable transmission of the torque with simultaneous axial relative movement can be realized in the inventive method in that the rotational movement of the outer adapter is transmitted via a driver toothing on the inner adapter.
  • the device according to the invention and the method according to the invention offer, inter alia, the following advantages:
  • the vibration power is almost unrestricted only in the outer rod, the inner rod is axially decoupled.
  • a downhole hammer can be operated with the inner rod.
  • This allows a so-called overlay drilling, in which pre-drilled by means of Imlochhammers and with a coupled with the outer rod drilling tool, the pre-drilled hole is enlarged.
  • the device may be equipped with an introduction device.
  • the flushing can be initiated, for example, from behind by the vibration drive or the vibration unit or via a lateral flushing head before the rotary drive.
  • a drive device 10 comprises a drive device 12, which may also be referred to as a rotary vibratory drive, and an adapter device 40 for receiving a drill pipe 60 designed as a double linkage.
  • the drill pipe 60 comprises an outer linkage 62 and an inner linkage 64.
  • the drive device 12 comprises a rotary drive 20 for rotationally driving an output shaft 14 and a vibration unit or a vibration drive 30 for generating a vibration on the output shaft 14.
  • the rotary drive 20 comprises a motor 22 which rotatably drives a drive pinion 24, which engages with a main shaft 26 designed as a hollow shaft and rotates it.
  • the main shaft 26 is mounted in a housing 21 of the rotary drive 20.
  • Via a driver toothing 16, 27, the torque is transmitted to the output shaft 14.
  • the output shaft 14 is guided axially through the main shaft 26 and comprises an external toothing 16 which meshes with an internal toothing 27 of the main shaft 26.
  • the driver toothing 16, 27 allows axial displacement of the output shaft 14 in the rotary drive 20th
  • the vibration drive 30 comprises a vibration housing 31 in which rotating shafts 34 are rotatably mounted about axes of rotation 33. On the shafts 34 eccentric 36 are provided. The shafts 34 with the eccentrics 36 form a total of rotating masses 32. The vibration drive 30 and the vibration housing 31 is coupled to the output shaft 14 via a bearing 38 and transmits an axial up and down movement to the output shaft 14th
  • the vibration drive 30 together with its vibration housing 31 and the rotary drive 20 are accommodated in a common housing 18, wherein the vibration drive 30 is mounted axially movably in the housing 18 via elastic elements 39.
  • an adapter device 40 is arranged, to which at the same time the outer rod 62 and the inner rod 64 are connected.
  • the output shaft 14 comprises a flange 15, to which the adapter device 40 can be connected.
  • the adapter device 40 comprises a corresponding connection flange 42.
  • an outer adapter 46 Securely connected to the connecting flange 42 is an outer adapter 46, to which the outer rod 62 can be connected.
  • a tubular inner adapter 56 is arranged, which is also driven in rotation via the output shaft 14.
  • the outer adapter 46 for this purpose comprises a driver toothing 48, which is in engagement with a corresponding driver toothing 58 of the inner adapter 56.
  • the toothing between outer adapter 46 and inner adapter 56 may be designed as a splined shaft profile.
  • a spring device 43 For resilient mounting of the inner adapter 56 in the outer adapter 46, a spring device 43 is provided. This comprises two oppositely acting spring elements 44, which are arranged on both axial sides of the driving teeth 48, 58.
  • the spring elements 44 are supported on the one hand on the inner adapter 56 and on the other hand on a stop 47 of the outer adapter 46 from.
  • the space in which the springs 44 and the Mit Simplyvertechnik GmbH 48, 58 are arranged, is sealed by means of sealing elements 45 from the environment.
  • the inner adapter 56 may also be mounted floating between the springs 44. There are different spring elements conceivable.
  • the outer linkage 62 is provided with an annular boring tool 68 at its end facing the borehole bottom.
  • the inner linkage 64 is equipped with a percussion drive 70.
  • the percussion drive 70 is attached to the inner rod 64 and includes a striking body 72 which is mounted axially movable in a sleeve-shaped guide member 74 to exert a striking movement on a drilling tool 78 of the inner rod 64.
  • the percussion drive 70 is preferably hydraulically operated and may, in particular, be a pneumatic down-the-hole hammer which is placed on the drill bit of the inner rod strikes. In the case of a pneumatic percussion drive or deep hole hammer, the compressed air can be used for resilient mounting of the inner adapter 56. In this way, the springs 44 could be omitted.
  • the vibration unit or the vibration drive 30 is set in a movement oscillating axially to the drilling axis 6 in that the shafts 34 are brought into a synchronized rotational movement with their eccentrics 36, so that imbalance portions acting radially to the longitudinal axis are mutually compensated. Since the output shaft 14 is connected via the bearing 38 to the vibration drive 30, this is also set in vibration.
  • the drive motor 22 drives the main shaft 26 of the rotary drive 20 via the pinion 24. Via a driver toothing 16, 27, the torque is transmitted to the output shaft 14.
  • the rotation and vibration is transmitted via the outer linkage adapter 46, which may also be provided with ejection openings, directly to the outer tube 62 to be driven.
  • the vibration is thus transmitted to the drilling tool 68 or the drill bit of the outer tube 62.
  • the torque from the outer linkage adapter 46 is also transmitted to the adapter 56 for the inner linkage 64.
  • the inner adapter 56 is mounted axially in the front and in the rear area via the springs 44 against the outer adapter 46, the movement of the vibration is not or only reduced to the inner adapter 56 and thus transferred to the inner rod 64.
  • the drilling tool 78 of the inner rod 64 can be acted upon striking.
  • the drive device 10 makes it possible, in a cost-effective and simple manner, to rotate a drive device both on an outer linkage as well as to transfer to an inner rod.
  • the inner linkage is axially decoupled such that a vibration movement generated by the drive device 12 is indeed transmitted completely to the outer linkage, but not or only reduced to the inner linkage.
  • the inner rod is axially slidably received in the outer rod for this purpose.
  • a percussion drive is provided on the tool-side end of the inner linkage.
  • an overlay drilling can be performed.

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  • 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)
  • Drilling And Boring (AREA)
EP13157000.4A 2013-02-27 2013-02-27 Dispositif d'entraînement et procédé destiné au fonctionnement d'un dispositif d'entraînement Not-in-force EP2772606B1 (fr)

Priority Applications (5)

Application Number Priority Date Filing Date Title
DK13157000T DK2772606T3 (en) 2013-02-27 2013-02-27 Drive device and method of operating a drive device
PL13157000T PL2772606T3 (pl) 2013-02-27 2013-02-27 Urządzenie napędowe i sposób działania urządzenia napędowego
EP13157000.4A EP2772606B1 (fr) 2013-02-27 2013-02-27 Dispositif d'entraînement et procédé destiné au fonctionnement d'un dispositif d'entraînement
US14/190,898 US9932773B2 (en) 2013-02-27 2014-02-26 Drive device and method for operating a drive device
HK14111617.4A HK1198195A1 (en) 2013-02-27 2014-11-18 Drive device and method for operating a drive device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP13157000.4A EP2772606B1 (fr) 2013-02-27 2013-02-27 Dispositif d'entraînement et procédé destiné au fonctionnement d'un dispositif d'entraînement

Publications (2)

Publication Number Publication Date
EP2772606A1 true EP2772606A1 (fr) 2014-09-03
EP2772606B1 EP2772606B1 (fr) 2015-04-08

Family

ID=47900586

Family Applications (1)

Application Number Title Priority Date Filing Date
EP13157000.4A Not-in-force EP2772606B1 (fr) 2013-02-27 2013-02-27 Dispositif d'entraînement et procédé destiné au fonctionnement d'un dispositif d'entraînement

Country Status (5)

Country Link
US (1) US9932773B2 (fr)
EP (1) EP2772606B1 (fr)
DK (1) DK2772606T3 (fr)
HK (1) HK1198195A1 (fr)
PL (1) PL2772606T3 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111287649A (zh) * 2020-02-11 2020-06-16 秦亚州 一种减震型石油钻采机械

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RS64474B1 (sr) * 2020-12-07 2023-09-29 Eurodrill Gmbh Pogonski uređaj za bušenje za bušilicu za bušenje zemlje

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3835943A (en) * 1972-02-25 1974-09-17 R Bray Drilling apparatus and adaptor assembly for such apparatus
US4253531A (en) * 1979-10-17 1981-03-03 Boros Ladislav J Self-balancing vibratory drill apparatus
EP0057089A1 (fr) * 1981-01-22 1982-08-04 Hitachi Construction Machinery Co., Ltd. Méthode et système pour poser des tuyaux dans le sol
US5064002A (en) * 1987-04-23 1991-11-12 Patterson William N Concentric drill rod assemblies for percussion rock drills
WO2009014444A1 (fr) * 2007-07-24 2009-01-29 Sonicsampdrill B.V. Dispositif de forage ayant un entraînement rotatif-vibratoire
EP2444587A1 (fr) 2010-10-19 2012-04-25 Eurodrill GmbH Dispositif d'entraînement

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5417290A (en) * 1994-09-02 1995-05-23 Water Development Technologies, Inc. Sonic drilling method and apparatus
FR2912923B1 (fr) * 2007-02-28 2012-08-24 C E M Appareil a plaque vibrante pour la tonification musculaire
US9670728B2 (en) * 2011-05-16 2017-06-06 Zhongsheng Tang Rotary impact drill and double-layer drilling rod mechanism

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3835943A (en) * 1972-02-25 1974-09-17 R Bray Drilling apparatus and adaptor assembly for such apparatus
US4253531A (en) * 1979-10-17 1981-03-03 Boros Ladislav J Self-balancing vibratory drill apparatus
EP0057089A1 (fr) * 1981-01-22 1982-08-04 Hitachi Construction Machinery Co., Ltd. Méthode et système pour poser des tuyaux dans le sol
US5064002A (en) * 1987-04-23 1991-11-12 Patterson William N Concentric drill rod assemblies for percussion rock drills
WO2009014444A1 (fr) * 2007-07-24 2009-01-29 Sonicsampdrill B.V. Dispositif de forage ayant un entraînement rotatif-vibratoire
EP2444587A1 (fr) 2010-10-19 2012-04-25 Eurodrill GmbH Dispositif d'entraînement

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111287649A (zh) * 2020-02-11 2020-06-16 秦亚州 一种减震型石油钻采机械

Also Published As

Publication number Publication date
HK1198195A1 (en) 2015-03-13
US9932773B2 (en) 2018-04-03
PL2772606T3 (pl) 2015-08-31
DK2772606T3 (en) 2015-04-27
EP2772606B1 (fr) 2015-04-08
US20140238712A1 (en) 2014-08-28

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