EP2295645B1 - Machine de forage et procédée de produire des pieux dans un sol - Google Patents

Machine de forage et procédée de produire des pieux dans un sol Download PDF

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Publication number
EP2295645B1
EP2295645B1 EP09011061A EP09011061A EP2295645B1 EP 2295645 B1 EP2295645 B1 EP 2295645B1 EP 09011061 A EP09011061 A EP 09011061A EP 09011061 A EP09011061 A EP 09011061A EP 2295645 B1 EP2295645 B1 EP 2295645B1
Authority
EP
European Patent Office
Prior art keywords
line connection
drill string
drill
drilling apparatus
drive
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.)
Not-in-force
Application number
EP09011061A
Other languages
German (de)
English (en)
Other versions
EP2295645A1 (fr
Inventor
Sebastian Bauer
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.)
Bauer Maschinen GmbH
Original Assignee
Bauer Maschinen 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 Bauer Maschinen GmbH filed Critical Bauer Maschinen GmbH
Priority to PL09011061T priority Critical patent/PL2295645T3/pl
Priority to EP09011061A priority patent/EP2295645B1/fr
Priority to EA201001141A priority patent/EA017425B1/ru
Priority to US12/857,823 priority patent/US8550187B2/en
Priority to BRPI1002744-0A priority patent/BRPI1002744A2/pt
Priority to AU2010212434A priority patent/AU2010212434B2/en
Priority to JP2010186767A priority patent/JP5044682B2/ja
Priority to CN2010102687284A priority patent/CN102002940B/zh
Priority to UAA201010439A priority patent/UA98532C2/ru
Publication of EP2295645A1 publication Critical patent/EP2295645A1/fr
Application granted granted Critical
Publication of EP2295645B1 publication Critical patent/EP2295645B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
    • E02D5/22—Piles
    • E02D5/34—Concrete or concrete-like piles cast in position ; Apparatus for making same
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
    • E02D5/22—Piles
    • E02D5/34—Concrete or concrete-like piles cast in position ; Apparatus for making same
    • E02D5/38—Concrete or concrete-like piles cast in position ; Apparatus for making same making by use of mould-pipes or other moulds
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D7/00—Methods or apparatus for placing sheet pile bulkheads, piles, mouldpipes, or other moulds
    • E02D7/22—Placing by screwing down

Definitions

  • Such a drill is formed with a drill drive for rotationally driving a drill string and a rotary feedthrough for passing a building material from a building material hose into the interior of the drill string, wherein the rotary feedthrough a first line connection for having the building material hose and a second conduit connection for the drill string rotatable relative to the first conduit connection.
  • the invention further relates to a method for tillage according to the preamble of claim 12.
  • a drill string is set into a rotational movement by means of a drill drive, and connected via a rotary feedthrough, which at a first line connection to a building material hose and a second conduit connection rotatable relative to the first conduit connection is connected to the drill string, at least temporarily liquid building material is introduced from the building material hose into the interior of the drill string.
  • a generic drill is for example from the DE 102 38 193 A1 known.
  • the DE 102 38 193 A1 describes as well as DE 203 04 831 U1 , an earth boring machine with which a drilling auger can be rotated and inserted axially into the ground.
  • a feed is provided with which for filling the produced well concrete can be introduced into the interior of the auger.
  • the feed has a movable hose line, which is connected on the one hand to a fixed transfer point on the drill and on the other hand to the worm. Due to this flexible hose line it is possible to move the worm up and down relative to the drilling device.
  • the non-rotatably connected to the carrier vehicle hose is connected via a rotary feedthrough, a so-called flushing head to the worm. This rotary feedthrough is intended to decouple the rotational movement of the screw relative to the hose line.
  • a rotary feedthrough in practice does not work frictionless, it will come in operation despite rotary feedthrough regularly to a torque transfer from the auger to the hose line connection.
  • the hose line connection can be fixed by means of a torque arm rotationally fixed with respect to the transfer point.
  • Such a torque support can be structurally relatively complex especially when the drill string protrudes far above the carrier vehicle and thus arranged at the upper end of the drill string rotary feedthrough is far above the carrier vehicle, since the corresponding distance must be bridged by the torque arm ,
  • the object of the invention is to develop a generic drill and a generic drilling method so that in a particularly simple manner, a particularly reliable material supply, especially concrete feed, into the interior of the drill string is possible.
  • the drilling apparatus according to the invention is characterized in that the rotary feedthrough has a rotating device for actively rotating the second line connection relative to the first line connection.
  • a basic idea of the invention can be seen in that a rotating device with drive means is provided on the rotary feedthrough, which allows the two connections of the rotary feedthrough to be actively rotated relative to each other.
  • This active rotary device can be synchronized with the drill drive so that the line connection for the building material hose always points in the same direction even when the drill string rotates, that is, the rotational movement of the drill string can be actively compensated by means of the rotating device according to the invention.
  • This can be effectively prevented that the hose kinks or even wrapped around the drill string or drill drive, so that a reliable concrete supply is ensured.
  • a complex torque support of the hose connection is no longer necessary, since the orientation of the hose line connection takes place relative to the fixed transfer point by means of the active rotary device.
  • the drilling device according to the invention is preferably an earth boring device, in particular an endless screw drilling device with Kelly extension.
  • the rotary feedthrough which can also be referred to as a flushing head, is expediently arranged on the upper side of the drill string and / or coaxially with the drill string.
  • a fluid connection between the interior of the non-rotating building material hose and the interior of the rotating drill string can be established.
  • the building material which is introduced from the building material hose into the interior of the drill string, it can be in particular concrete.
  • the drill drive is used for rotationally driving the drill string about the drilling axis, wherein the rotary feedthrough is expediently arranged on the drilling axis.
  • the rotating means for compensating the rotation of the drill drive is synchronized opposite to the drill drive.
  • This may in particular be understood to mean that the rotating device rotates the two line connections relative to one another with the rotational speed of the drill drive but with the direction of rotation reversed, so that the rotational movements of the drill drive and the rotary device cancel and the line connection for the building material hose outwards even when the drill string is rotating stationary.
  • the synchronization can in particular be effected by means of a controller which controls the rotary device, in particular a corresponding drive motor, in dependence on data on the rotational speed of the drill string and / or drill drive. In principle, however, a mechanical synchronization would be conceivable.
  • the rotating device has at least one drive motor for actively rotating the second line connection relative to the first line connection.
  • this drive motor is suitably arranged on the rotary feedthrough, that is to say usually on the upper side of the drill string.
  • the drive motor can be, for example, a hydraulic motor, since hydraulic energy is usually available anyway on a typical drill.
  • the drive motor can, however, also be, for example, an electric motor, since it can be controlled particularly easily and thus synchronized.
  • a servomotor may be provided as a drive motor of the rotary device. In principle, several types of motor, for example, in series, can be combined.
  • a control for the rotating device is provided according to the invention, in particular an electronic control.
  • the opposite synchronization can be realized in a particularly simple manner.
  • the controller is expediently in operative connection with this drive motor, so that the controller can specify, for example, a setpoint speed or a setpoint position to the drive motor.
  • a rotary sensor is provided for determining the rotational speed and / or the direction of rotation of the drill string and / or the rotary drive, which is in signal communication with the controller.
  • the controller receives input data on the status of the drill string, so that they can operate counteracting the rotating device accordingly.
  • the rotator controller may obtain information about the status of the drill string, but also from other sources, such as the drill driver control.
  • the invention can be used particularly advantageously in drilling apparatuses in which the drill string, in particular in several parts, has a tool section running underneath the drill drive and at least partially above it Drill drive extending extension is formed.
  • a torque support for the hose connection which is necessary according to the prior art would have to be extended correspondingly far upwards, which would entail a corresponding additional outlay.
  • a torque support can be omitted, also this additional effort is eliminated here.
  • the rotary feedthrough is arranged on the extension, in particular on the upper side of the extension.
  • the drilling tool in particular a drilling screw, preferably a so-called endless screw, can be provided on the tool section.
  • the drill string for drilling depth increase can be mounted axially movable relative to the drill drive.
  • the drill string is mounted in the drill drive in the region of the extension.
  • a corresponding drive device may also be present.
  • the drill drive is arranged on a support structure, and that a transfer connection for the building material hose, preferably non-rotatably, is arranged on the support structure.
  • the drill drive and the transfer port for the building material hose are arranged on the same structure, so that the compensation of the rotational movement of the drill drive on the hose is possible in a particularly simple manner.
  • the carrier structure may be, for example, a mast carriage.
  • a mast carriage is expediently mounted longitudinally adjustable on a mast.
  • the mast can be considered as the said support structure.
  • a transfer point can be understood as the transfer point at which the building material can be introduced into the building material line, to which the building material hose can then be connected to a conveying device for the building material, in particular to an associated delivery line.
  • a further advantageous embodiment of the invention is that the rotary feedthrough at the line connection for the building material hose has a manifold.
  • the hose line connection points with the rotary feedthrough mounted to the floor or at least to the side so that the building material hose from the pipe connection can hang freely without kinking.
  • the line connection for the building material hose is arranged axially parallel to the line connection for the drill string, as a result of which a rotary feedthrough which can be used particularly reliably is obtained.
  • the manifold preferably has an arc angle of at least approximately 180 °.
  • the building material hose is particularly advantageous for the building material hose to hang down freely from the line connection for the building material hose and / or from the transfer connection.
  • the building material hose is attached only to the hose ends and is not supported and / or supported in the area between the two ends, ie hangs freely. Since according to the invention the active rotary feedthrough can ensure that the hose line connection of the rotary feedthrough is always in the same angular position with respect to the transfer connection, a support, in particular a torque support, of the hose between the hose ends can be dispensed with.
  • the drive motor preferably above the line connection for the drill string, is arranged on the rotary feedthrough.
  • the drive shaft of the drive motor extends at least approximately parallel to the drill string and to the drilling axis.
  • a further preferred embodiment of the invention is that at the first line connection, ie the connection for the hose, or at the second line connection, ie the connection for the drill string, a further rotary feedthrough is connected.
  • a further rotary feedthrough By means of such a second rotary feedthrough can be ensured that the building material hose is not overloaded even if, for example, in a fault, the active synchronization of the first active rotary feedthrough can not be performed with sufficient accuracy. If the rotation of the drill string is thus unintentionally or intentionally only partially compensated by the first rotary leadthrough, the remaining difference in the rotation between the rotating drill string and the non-rotating hose connection can be absorbed by the second rotary leadthrough.
  • the further rotary feedthrough is preferably passive, so in contrast to the first Rotary feedthrough no active rotating device.
  • the two rotary unions can be arranged coaxially.
  • the first active rotary feedthrough between the two line connections can have a friction clutch to protect the building material hose.
  • the inventive method can be carried out in particular by means of a drilling device according to the invention. It is characterized in that a rotating device is provided for active rotation of the second line connection relative to the first line connection, wherein the rotating device is operated in opposite synchronous with the drill drive. As a result, the rotation of the drill string is compensated at the hose line connection.
  • FIGS. 1 to 3 show exemplary embodiments of a drilling device according to the invention.
  • Fig. 1 shows, designed as a drill auger on a chassis 71, which is designed as a crawler chassis.
  • a mast 72 is arranged, which runs at least approximately perpendicularly in drilling operation in the rule.
  • a mast carriage 40 is mounted longitudinally displaceable.
  • a drill drive 10 for rotating a drill string 1 is provided on this mast carriage 40.
  • the drill string 1 has a tool section 2, which extends below the drill drive 10, and on which a drill screw 9 is arranged as a tool. Above the tool section 2, the drill string has an extension 3. In the area of this extension 3, the drill string 1 is passed through the drill drive 10.
  • the extension 3 is formed as a so-called Kelly extension with outer, along the drill string 1 extending profile strips 75. These profile strips 75 enable a positive torque transmission from the drill drive 10 to the extension 3 of the drill string 1, wherein the drill string 1 is simultaneously moved relative to the drill drive 10.
  • the drill further has a building material hose 6, by means of which a building material, in particular a hardening building material such as concrete, in the interior of the drill string 1 can be introduced. From the Bohrstranginneren the building material can escape through at least one below the drill string 1 arranged opening 79. This arrangement makes it possible to fill a borehole generated with the drill string 1 in the ground with building material.
  • a building material in particular a hardening building material such as concrete
  • the building material hose 6 is connected at its one end to a transfer port 50 At this point, the building material can be passed, for example, from a conveyor into the building material hose 6.
  • the transfer connection 50 is rotationally fixed and axially fixedly arranged on the mast carriage 40.
  • At its opposite upper end of the building material hose 6 is connected to a line connection 21, which is arranged at the upper end of the drill string 1.
  • the building material from the building material hose 6 can be introduced into the Bohrstranginnere.
  • the transfer connection 50 is formed at the end on an approximately horizontally extending supply pipe section 53 which is held on the mast carriage 40 via an at least approximately perpendicular support 51. About the support 51, the pipe section 53 and its transfer port 50 rotatably and axially fixed to the mast carriage 40. The pipe section 53 and its transfer connection 50 are located above the mast carriage 40 and above the rotary drive 10. At its end remote from the transfer connection 50, the pipe section 53 has a further connection 54 to which, for example, a supply hose or a rigid supply line can be connected or which is connected to a building material pump.
  • the transfer connection 50 for the building material hose 6, the line connection 21 for the hose 6 and also the further connection 54 face downwards, that is to say in the direction of the drilling axis to the ground, so that there hoses without kinking can be connected.
  • conduit 6 as building material hose makes it possible to compensate for changes in distance between the conduit connection 21 and the transfer connection 50, which occur when the drill string 1 is displaced relative to the drilling drive 10 and thus to the mast carriage 40.
  • the building material hose 6 is connected via a rotary feedthrough 20 according to the invention with the drill string 1, which in the Figures 2 and 3 is shown in detail.
  • This rotary feedthrough 20 is arranged at the upper end of the drill string 1 and has an axis of rotation which is coaxial with the drilling axis, that is to say coaxial with the drill string 1.
  • the rotary feedthrough 20 is designed as an active rotary feedthrough with an active rotating means 30, wherein the rotating means 30 comprises a drive motor 32 and a gear 33 which is operable with the drive motor 32.
  • the rotating means 30 comprises a drive motor 32 and a gear 33 which is operable with the drive motor 32.
  • the drive motor 32 is arranged above the line connection 22 for the drill string 1 and above the transmission 33. On the drive motor 32 operating and control lines 35 are connected, which lead to the chassis 71.
  • the active rotary feedthrough 20 is actuated synchronized in opposite directions to the drill drive 10.
  • the drive motor 32 actively generates a relative rotational movement of the two line connections 21 and 22 to each other, which has the same speed, but the reverse direction of rotation compared to the drill drive 10.
  • control 39 is provided, which is in operative connection with the rotating device 30 and in particular with its drive motor 32 or its transmission 33.
  • This controller 39 is also in signal communication with a rotary sensor 38, which detects the rotation of the drill string 1 relative to the mast carriage 40 and thus relative to the chassis 71.
  • This rotary sensor 38 provides the input to the controller 39.
  • a further rotary feedthrough 70 can be provided, which can accommodate remaining differences in the rotational position between the drill string 1 and the hose 6.
  • the rotary feedthrough 20 has a manifold 60, which forms a pipe bend by about 180 °. End of this manifold 60, the line connection 21 is formed for the building material hose 6. By means of the manifold, the line connection 21 for the building material hose 6 is arranged directed downwards, so that the connected building material hose 6 can enter there without kinking.

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  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Paleontology (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Earth Drilling (AREA)

Claims (12)

  1. Engin de forage pour le travail du sol, avec
    - un entraînement (10) de forage pour entraîner en rotation une ligne (1) de forage
    et
    - une traversée rotative (20) pour envoyer un matériau d'un tuyau (6) à matériau vers l'intérieur de la ligne de forage (1), la traversée rotative (20) comprenant un premier raccord (21) de ligne pour le tuyau (6) à matériau et un deuxième raccord (22) de ligne pour la ligne de forage (1), rotatif par rapport au premier raccord (21) de ligne,
    caractérisé en ce que
    la traversée rotative (20) comprend un dispositif de rotation (30) pour faire tourner activement le deuxième raccord (22) de ligne par rapport au premier raccord (21) de ligne.
  2. Engin de forage selon la revendication 1, caractérisé en ce que le dispositif de rotation (30) est synchronisé en sens inverse de l'entraînement (10) de forage pour compenser la rotation de l'entraînement (10) de forage.
  3. Engin de forage selon l'une quelconque des revendications précédentes, caractérisé en ce que le dispositif de rotation (30) comprend au moins un moteur d'entraînement (32) pour faire tourner activement le deuxième raccord (22) de ligne par rapport au premier raccord (21) de ligne.
  4. Engin de forage selon la revendication 3, caractérisé en ce que le moteur d'entraînement (32) est un moteur électrique ou un moteur hydraulique.
  5. Engin de forage selon l'une quelconque des revendications précédentes,
    caractérisé
    en ce qu'une commande (39) est prévue pour le dispositif de rotation (30), et en ce qu'un capteur (38) de rotation est prévu pour déterminer la vitesse de rotation et/ou le sens de rotation de la ligne de forage (1), capteur qui est en liaison de signaux avec la commande (39).
  6. Engin de forage selon l'une quelconque des revendications précédentes,
    caractérisé
    en ce que la ligne de forage (1) est conformée avec une section d'outillage (2) s'étendant au-dessous de l'entraînement (10) de forage et avec un prolongement (3) s'étendant au moins par sections au-dessus de l'entraînement (10) de forage,
    en ce que la traversée rotative (20) est placée sur le prolongement (3), et
    en ce qu'une vis (9) de forage est prévue sur la section d'outillage (2).
  7. Engin de forage selon l'une quelconque des revendications précédentes,
    caractérisé
    en ce que l'entraînement (10) de forage est placé sur une structure porteuse, en particulier un chariot (40) de mât, et
    en ce que, sur la structure porteuse, est placé un raccord (50) de transfert pour le tuyau (6) à matériau.
  8. Engin de forage selon l'une quelconque des revendications précédentes,
    caractérisé
    en ce que la traversée rotative (20) comprend un coude (60) pour le tuyau (6) à matériau sur le raccord (21) de ligne, et
    en ce que le raccord (21) de ligne pour le tuyau (6) à matériau est placé avec son axe parallèle avec le raccord (22) de ligne pour la ligne de forage (1).
  9. Engin de forage selon l'une quelconque des revendications précédentes, caractérisé en ce que le tuyau (6) à matériau pend librement depuis le raccord (21) de ligne pour le tuyau (6) de matériau.
  10. Engin de forage selon l'une quelconque des revendications 3 à 9, caractérisé en ce que le moteur d'entraînement (32) est situé sur la traversée rotative (20) au-dessus du raccord (22) de ligne pour la ligne de forage (1).
  11. Engin de forage selon l'une quelconque des revendications précédentes,
    caractérisé
    en ce que sur le premier raccord (21) de ligne ou sur le deuxième raccord (22) de ligne est raccordée une autre traversée rotative (70) et/ou
    en ce que la traversée rotative (20) comprend un accouplement à glissement entre les deux raccords (21 et 22) de ligne.
  12. Procédé de travail du sol, en particulier au moyen d'un engin de forage selon l'une quelconque des revendications précédentes, dans lequel
    - une ligne (1) de forage est mise en rotation au moyen d'un entraînement (10) de forage, et
    - par l'intermédiaire d'une traversée rotative (20) qui est raccordée à un tuyau (6) à matériau au niveau d'un premier raccord (21) de ligne, et qui est raccordée à la ligne de forage (1) au niveau d'un deuxième raccord (22) de ligne rotatif par rapport au premier raccord (21) de ligne, un matériau liquide peut être envoyé au moins temporairement depuis le tuyau (6) à matériau vers l'intérieur de la ligne de forage (1),
    caractérisé
    en ce qu'un dispositif de rotation (30) est prévu pour faire tourner activement le deuxième raccord (22) de ligne par rapport au premier raccord (21) de ligne,
    - dans lequel le dispositif de rotation (30) est utilisé de manière synchronisée en sens inverse avec l'entraînement de forage (10).
EP09011061A 2009-08-28 2009-08-28 Machine de forage et procédée de produire des pieux dans un sol Not-in-force EP2295645B1 (fr)

Priority Applications (9)

Application Number Priority Date Filing Date Title
PL09011061T PL2295645T3 (pl) 2009-08-28 2009-08-28 Narzędzie wiertnicze
EP09011061A EP2295645B1 (fr) 2009-08-28 2009-08-28 Machine de forage et procédée de produire des pieux dans un sol
EA201001141A EA017425B1 (ru) 2009-08-28 2010-08-10 Буровая установка и способ разработки грунта
US12/857,823 US8550187B2 (en) 2009-08-28 2010-08-17 Drilling apparatus and method for working the ground
BRPI1002744-0A BRPI1002744A2 (pt) 2009-08-28 2010-08-19 aparelho de perfuração e processo para trabalhar o solo
AU2010212434A AU2010212434B2 (en) 2009-08-28 2010-08-19 Drilling apparatus and method for working the ground
JP2010186767A JP5044682B2 (ja) 2009-08-28 2010-08-24 掘削装置および土木施工方法
CN2010102687284A CN102002940B (zh) 2009-08-28 2010-08-27 用于土地施工的钻探设备和方法
UAA201010439A UA98532C2 (en) 2009-08-28 2010-08-27 A drilling machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP09011061A EP2295645B1 (fr) 2009-08-28 2009-08-28 Machine de forage et procédée de produire des pieux dans un sol

Publications (2)

Publication Number Publication Date
EP2295645A1 EP2295645A1 (fr) 2011-03-16
EP2295645B1 true EP2295645B1 (fr) 2012-05-16

Family

ID=41130612

Family Applications (1)

Application Number Title Priority Date Filing Date
EP09011061A Not-in-force EP2295645B1 (fr) 2009-08-28 2009-08-28 Machine de forage et procédée de produire des pieux dans un sol

Country Status (9)

Country Link
US (1) US8550187B2 (fr)
EP (1) EP2295645B1 (fr)
JP (1) JP5044682B2 (fr)
CN (1) CN102002940B (fr)
AU (1) AU2010212434B2 (fr)
BR (1) BRPI1002744A2 (fr)
EA (1) EA017425B1 (fr)
PL (1) PL2295645T3 (fr)
UA (1) UA98532C2 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3456914A1 (fr) 2017-09-19 2019-03-20 Eurodrill GmbH Dispositif de forage double tête et procédé de réalisation d'un forage

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Publication number Priority date Publication date Assignee Title
EP2821585B1 (fr) 2013-07-03 2016-01-20 Bauer Spezialtiefbau GmbH Dispositif de forage et procédé de forage
WO2015012731A1 (fr) * 2013-07-22 2015-01-29 Makarenko Vladimir Mikhailovich Véhicule à chenilles technologique tout-terrain (variantes)
ITUB20159641A1 (it) * 2015-12-18 2017-06-18 Soilmec Spa Dispositivo e metodo per la movimentazione e l?assemblaggio reciproco di segmenti di una batteria di scavo, per esempio segmenti di elica o di asta.
FR3047511B1 (fr) * 2016-02-10 2018-03-16 Soletanche Freyssinet Dispositif et procede d'obturation de forage
IT201700045217A1 (it) * 2017-04-26 2018-10-26 Ntk Group Srl Un palo per il consolidamento di fondazioni di manufatti edilizi e metodo ed apparecchiatura per la sua infissione
JP6234626B1 (ja) * 2017-05-15 2017-11-22 東北電力株式会社 地中熱交換管の埋設に用いる掘削装置及び掘削方法
NL1043302B1 (en) * 2019-06-17 2021-01-25 Magali Shachar Tubular drive assembly
EP3779117A1 (fr) * 2019-08-16 2021-02-17 BAUER Maschinen GmbH Dispositif de tige d'entraînement pour un appareil de forage et procédé de traitement du sol
CN115012812B (zh) * 2021-12-21 2023-06-23 昆明理工大学 一种多功能施工用钻孔设备

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3456914A1 (fr) 2017-09-19 2019-03-20 Eurodrill GmbH Dispositif de forage double tête et procédé de réalisation d'un forage
US10837231B2 (en) 2017-09-19 2020-11-17 Eurodrill Gmbh Double head drilling device and method for producing a bore

Also Published As

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JP5044682B2 (ja) 2012-10-10
UA98532C2 (en) 2012-05-25
BRPI1002744A2 (pt) 2012-05-29
US20110048805A1 (en) 2011-03-03
EP2295645A1 (fr) 2011-03-16
EA017425B1 (ru) 2012-12-28
JP2011047268A (ja) 2011-03-10
AU2010212434B2 (en) 2011-08-04
EA201001141A1 (ru) 2011-04-29
PL2295645T3 (pl) 2012-09-28
AU2010212434A1 (en) 2011-03-17
US8550187B2 (en) 2013-10-08
CN102002940B (zh) 2012-10-10
CN102002940A (zh) 2011-04-06

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