EP3073044A1 - Dispositif de perçage de couche de recouvrement et procede de perçage d'un noyau dans une couche de recouvrement - Google Patents

Dispositif de perçage de couche de recouvrement et procede de perçage d'un noyau dans une couche de recouvrement Download PDF

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Publication number
EP3073044A1
EP3073044A1 EP16000701.9A EP16000701A EP3073044A1 EP 3073044 A1 EP3073044 A1 EP 3073044A1 EP 16000701 A EP16000701 A EP 16000701A EP 3073044 A1 EP3073044 A1 EP 3073044A1
Authority
EP
European Patent Office
Prior art keywords
drill bit
drill
cover layer
drill head
drilling
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
EP16000701.9A
Other languages
German (de)
English (en)
Other versions
EP3073044B1 (fr
Inventor
Sebastian Fischer
Elmar Koch
Andreas Joachim Hanses
Martin KÖPER
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.)
Tracto Technik GmbH and Co KG
Original Assignee
Tracto Technik GmbH and Co KG
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 Tracto Technik GmbH and Co KG filed Critical Tracto Technik GmbH and Co KG
Publication of EP3073044A1 publication Critical patent/EP3073044A1/fr
Application granted granted Critical
Publication of EP3073044B1 publication Critical patent/EP3073044B1/fr
Active 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
    • 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
    • E21B10/00—Drill bits
    • E21B10/64—Drill bits characterised by the whole or part thereof being insertable into or removable from the borehole without withdrawing the drilling pipe
    • 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
    • E21B4/006—Mechanical motion converting means, e.g. reduction gearings
    • 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
    • E21B7/00—Special methods or apparatus for drilling
    • E21B7/04—Directional drilling
    • E21B7/046—Directional drilling horizontal drilling

Definitions

  • the invention relates to a cover layer drilling device and a method for drilling a core into a cover layer.
  • a pit is usually created, which extends at an angle, in particular near 90 °, from the earth's surface into the ground.
  • the drilling device in particular a horizontal drilling, lowered. From the pit can then be carried out in particular a horizontal bore by means of the drilling device.
  • the pit in which the drilling device is to be positioned has a relatively small diameter.
  • Such a small pit is known as trenchless relocation and renewal of gas, water, power or data lines for house connections using the term "keyhole technique".
  • keyhole technique involves fewer surface follow-up damage and consequential costs known from the open design. Earthworks and surface works can be performed more safely, on a reduced scale and more productively.
  • the creation of a horizontal well in the ground by means of the keyhole technique is, for example, in DE 10 2010 013 725 A1 described.
  • the object of the invention was to provide an improved covering layer drilling device and a method for drilling a core into a covering layer, with which the creation of a pit can be carried out more efficiently, in particular the number of method steps can be reduced can.
  • the core idea of the invention is the combination of the two previously performed as separate steps steps of generating the circular section and the subsequent, carried out separately from this step of creating a bore within the circular section.
  • the cover layer drilling device is designed such that a drill bit with a smaller diameter than the drill bit is arranged in a drill bit.
  • a core can be produced, which can be put back on the filled pit after completion of the work.
  • the drill bit and drill head can be driven at different angular speeds, so that an optimum cutting speed is selected for both cross sections or holes to be made in the form of the circular cut with the drill bit and the drill head can be.
  • angular velocity refers to a rotation of the drill bit or of the drill head about the respective longitudinal axis thereof.
  • Drilling head and drill bit can be relatively movable.
  • the term “drill bit” includes a crown drill in the form of a hollow round bit.
  • a “cover layer drilling device” is understood to mean, in particular, any crown drill designed in accordance with the invention for drilling into a cover layer.
  • the term “cover layer drilling device” may further include any device that moves a crown drill from above the surface into a cover layer to create a pit for positioning a horizontal drilling device.
  • the term “cover layer” includes in particular the ceiling in the field of road construction, which is also referred to as a ceiling, road surface, road surface.
  • the cover layer may comprise a material which may be asphalt, mastic asphalt, asphalt concrete, stone mastic asphalt, asphalt binder course and / or concrete.
  • the cover layer may also comprise a further layer present between the cover layer and a plane, in particular a base layer.
  • the drill bit according to the invention or the method is used to create a pit for an earth drilling device to be positioned therein for creating a channel in the ground.
  • the drill head which is arranged in the drill bit, designed as a further drill bit, whereby at the conventionally provided according to the invention diameters of the drill head and the other drill bit less drilling is required than in a full bore.
  • the drill head is centered to the drill bit.
  • the outer diameter of the drill bit and the outer diameter of the drill head have a ratio in the range of about 2 to about 15, preferably in the range of about 4 to about 12, more preferably in the range of about 6 to about 10.
  • Such size ratios have proven to be particularly advantageous and are correspondingly easy to handle and lead to good results.
  • the drill bit may have a rotational speed in the range of about 70 to about 200 revolutions per minute, preferably in the range of about 80 to about 180 revolutions per minute, in particular preferably in the range of about 85 to about 170 revolutions per minute.
  • the drill head may have a rotational speed in the range of about 680 to about 1350 revolutions per minute, preferably in the range of about 700 to about 1300 revolutions per minute, more preferably in the range of about 750 to about 1280 revolutions per minute.
  • the cutting speeds are correlated with each other, such that a rotational speed of the drill bit in the range of about 85 to about 170 revolutions per minute is or is adjustable, in particular at a rotational speed of the drill head in the range of about 750 to about 1280 revolutions per minute ,
  • the drill bit and bit in a preferred embodiment have a cutting speed in the range of about 2 to about 6 m / s, more preferably in the range of about 2.5 to about 5.5 m / s.
  • said rotational speeds are correlated with the cutting speed.
  • drill bit and drill head with a one or more transmission having rotary drive can be driven, whereby both drill bit and drill head (relatively movable) can be driven with one and the same rotary drive and thus no further drive for the additional drill head must be provided.
  • different (rotary) drives i. a drive for the drill bit and a drive for the drill head, are provided.
  • the transmission or at least one of the transmission can be a planetary gear, which allows a simple, cost-effective and also only a small space-requiring configuration.
  • the planetary gear also allows to be selected by a suitable choice of the number of teeth and by replacing the planetary gears, the sun gear and / or the ring gear with different numbers of teeth of the desired operating situation adapted speed and torques for drill bit and drill head.
  • the planetary gear may include a sun and a ring gear and one or more planetary gears.
  • Such planetary gear are known from the prior art and may have a structure in which the sun gear and the planetary gears are formed as gears with an external toothing and the ring gear as an annular gear with at least one internal toothing.
  • the planetary gears can be arranged between the sun and the ring gear and comb with the appropriate gears of these wheels.
  • the planet gears may be interconnected via a cage to allow the power of a rotary drive connected to the cage across all planetary gears.
  • the sun gear may be connected to the drill head and designed as a rotary drive drive.
  • the ring gear can be fixed in a housing.
  • the planetary gear (s) may mesh with the driven sun gear and mesh with the stationary ring gear, thereby rotating the planet gear (s) with a planet gear carrier in the same direction as the sun gear in a predetermined gear ratio.
  • By means of a connecting piece of the planet carrier can be connected to the drill bit.
  • the drive can thus directly drive the sun gear.
  • the planetary gear or wheels are indirectly driven by the drive via the sun gear.
  • one or more drives are provided for one or more planetary gears, which are driven by means of this.
  • the at least one planetary gear, in particular the planet carrier, can be fixed.
  • the or the drive (s) for the planet or planetary gears can also be fixed.
  • the ring gear can be driven and a Plantenradffy, which is fixed, is present.
  • the drill bit and drill head can be driven with different directions of rotation, so that at least some of the torques generated by the drill bit and drill head can be canceled out.
  • a planetary gear can result in an inherent difference in rotation of drill bit and drill head, a corresponding advantage.
  • the invention also provides a method for drilling a core into a cover layer to create a pit, in particular for an earth boring device, in particular a horizontal boring device.
  • a method according to the invention comprises a step of drilling with a drill bit and drilling with a smaller diameter drill head than the drill bit during drilling with the drill bit, the drill bit and drill bit being rotated at different angular velocity.
  • the angular speed of the drill bit and / or drill head can thus be selected such that an optimum cutting speed for the drill bit as well as for the drill bit can be set.
  • the angular velocity can be adapted to the diameter of the drill head and drill bit.
  • the material under the cover layer in particular soil, can be rinsed out of the pit to be created.
  • the time term "while” encompasses a time range in which both the drill bit and the drill head are simultaneously advanced in the cover layer. It can be provided a lead of the drill head in the top layer, to which the time range in which both the drill bit and the drill head can be driven simultaneously, can connect.
  • the drill bit and drill head can be driven with different directions of rotation, wherein the torques generated by the drill bit and drill head can at least partially cancel each other out.
  • a circular cut through a covering layer can be produced in a simplified manner for producing a pit for an earth boring device, in particular a horizontal boring device.
  • the single FIGURE shows a cover layer drilling device with a drill bit 1 and a drill bit 2.
  • the drill bit 1 is designed as a crown drill in the form of a hollow round bit.
  • the drill head 2 is also designed as a crown drill and disposed within the drill bit 1.
  • the drill head 2 has a smaller diameter than the drill bit 1.
  • Drill bit 1 and drill head 2 can be driven or moved relative to one another via a drive designed as a rotary drive.
  • the translation of drill bit 1 and drill head 2 in the vertical direction takes place simultaneously; Drill bit 1 and drill head 2 are simultaneously lowered and severing or drilling the cover layer 3 shown in FIG. Simultaneously.
  • a certain advance of the drill head 2 can allow the centering of the drill bit 1.
  • An unillustrated feed and / or the weight of the cover layer drilling device can provide for the simultaneous lowering of drill bit 1 and drill head 2.
  • the drill bit 1 is connected to a connection piece 4.
  • the connector 4 is connected to a planet carrier 11, which receives one or more planet gears 8.
  • the drill head 2 is connected by means of a connecting piece 5 with a sun gear 6.
  • the sun gear 6 in turn is connected to a (rotary) drive 9.
  • a ring gear 7 is seated in a housing 12.
  • a mounted on a frame, not shown, torque arm 13 prevents the housing 12, and in particular the ring gear 8 rotates.
  • the sun gear 6 and the connecting piece 5 are formed as a hollow shaft, so that the drill bit 1 and the drill head 2 can be supplied via a connection 10 cooling or drilling means.
  • the drive 9 drives medium or directly the sun gear 6 and the drill head 2 at.
  • the rotating sun gear 6 meshes with the planetary gears 8, which in turn are in engagement with the stationary ring gear 7, whereby the planetary gears 8 with the planet 11 in the same direction as the sun gear 6, but in a certain gear ratio, which in this embodiment is in the range of 8 turns.
  • the drill bit 1 rotates together with the planetary gears 8 and the planet 11th

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)
  • Processing Of Stones Or Stones Resemblance Materials (AREA)
  • Earth Drilling (AREA)
EP16000701.9A 2015-03-27 2016-03-24 Dispositif de perçage de couche de recouvrement et procédé de perçage d'un noyau dans une couche de recouvrement Active EP3073044B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102015003909.1A DE102015003909A1 (de) 2015-03-27 2015-03-27 Deckschichtbohrvorrichtung und Verfahren zum Bohren eines Kerns in eine Deckschicht

Publications (2)

Publication Number Publication Date
EP3073044A1 true EP3073044A1 (fr) 2016-09-28
EP3073044B1 EP3073044B1 (fr) 2021-09-29

Family

ID=55637128

Family Applications (1)

Application Number Title Priority Date Filing Date
EP16000701.9A Active EP3073044B1 (fr) 2015-03-27 2016-03-24 Dispositif de perçage de couche de recouvrement et procédé de perçage d'un noyau dans une couche de recouvrement

Country Status (3)

Country Link
US (1) US10443311B2 (fr)
EP (1) EP3073044B1 (fr)
DE (1) DE102015003909A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3710640A4 (fr) * 2017-11-17 2021-08-11 Comrod AS Procédé de génération d'espace libre pour un élément de mât

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113236168B (zh) * 2021-06-28 2022-06-21 山东省地质矿产勘查开发局第四地质大队(山东省第四地质矿产勘查院) 一种第四系钻探施工用钻探组合取芯设备

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB686372A (en) * 1947-05-12 1953-01-21 Sonapar Soc De Participation Improvements in or relating to a device for drilling rocks, stone and the like
US3181631A (en) * 1962-08-24 1965-05-04 Cameron And Jones Inc Counter-rotating earth drill
DE19704263C1 (de) * 1997-02-05 1998-08-13 Klemm Guenter W Bohrvorrichtung
DE102010013725A1 (de) 2010-03-31 2011-10-06 Gdf Suez Verfahren zum Erstellen einer Horizontalbohrung im Erdreich und Horizontalbohrvorrichtung
WO2012027271A2 (fr) * 2010-08-26 2012-03-01 Wells David A H Système de forage contrarotatif

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GB586372A (en) 1944-11-07 1947-03-17 Enfield Cycle Co Ltd Improvements in or relating to telescopic spring forks for motor-cycles
US2599770A (en) * 1947-05-12 1952-06-10 Sonapar Soc De Participation S Tool for drilling rocks and the like and drilling device comprising such tools
CH312072A (de) * 1953-02-16 1955-12-31 Franz Brenner Maschinen Und We Vorrichtung zur Herstellung von Bohrungen grösseren Durchmessers im Mauerwerk, beispielsweise für Steckdosen, Ofenrohre und dergleichen.
US2799872A (en) * 1954-11-19 1957-07-23 Krahnke Delbert Carl Lead screw tapping head
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ATE105918T1 (de) * 1989-04-05 1994-06-15 Geissler & Kuper Gmbh Anschlusskupplung für bohrmaschine mit staubabsaugung.
DE3912067C1 (fr) * 1989-04-13 1990-09-06 Eastman Christensen Co., Salt Lake City, Utah, Us
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DE102011100278A1 (de) * 2011-04-28 2012-10-31 C. & E. Fein Gmbh Bohrmaschine, insbesondere handgeführte Bohrmaschine
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Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB686372A (en) * 1947-05-12 1953-01-21 Sonapar Soc De Participation Improvements in or relating to a device for drilling rocks, stone and the like
US3181631A (en) * 1962-08-24 1965-05-04 Cameron And Jones Inc Counter-rotating earth drill
DE19704263C1 (de) * 1997-02-05 1998-08-13 Klemm Guenter W Bohrvorrichtung
DE102010013725A1 (de) 2010-03-31 2011-10-06 Gdf Suez Verfahren zum Erstellen einer Horizontalbohrung im Erdreich und Horizontalbohrvorrichtung
WO2012027271A2 (fr) * 2010-08-26 2012-03-01 Wells David A H Système de forage contrarotatif

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3710640A4 (fr) * 2017-11-17 2021-08-11 Comrod AS Procédé de génération d'espace libre pour un élément de mât
US11530574B2 (en) 2017-11-17 2022-12-20 Comrod As Method for generating a freeroom for a mast element

Also Published As

Publication number Publication date
US20160281433A1 (en) 2016-09-29
US10443311B2 (en) 2019-10-15
EP3073044B1 (fr) 2021-09-29
DE102015003909A1 (de) 2016-09-29

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