EP2048321A1 - Drill and method for operating a drill - Google Patents
Drill and method for operating a drill Download PDFInfo
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- EP2048321A1 EP2048321A1 EP07018414A EP07018414A EP2048321A1 EP 2048321 A1 EP2048321 A1 EP 2048321A1 EP 07018414 A EP07018414 A EP 07018414A EP 07018414 A EP07018414 A EP 07018414A EP 2048321 A1 EP2048321 A1 EP 2048321A1
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- Prior art keywords
- drill
- drive
- transmission
- mast
- drill drive
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- 238000000034 method Methods 0.000 title claims description 11
- 238000005553 drilling Methods 0.000 claims abstract description 23
- 230000002441 reversible effect Effects 0.000 claims abstract 2
- 230000005540 biological transmission Effects 0.000 claims description 61
- 238000013519 translation Methods 0.000 claims description 11
- 238000011017 operating method Methods 0.000 abstract 1
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
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Classifications
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- 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
- E21B3/00—Rotary drilling
- E21B3/02—Surface drives for rotary drilling
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- 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
- E21B7/02—Drilling rigs characterised by means for land transport with their own drive, e.g. skid mounting or wheel mounting
Definitions
- the invention relates to a drill with a mast, guided on a mast drill drive for driving a drill string and a transmission which is arranged between the drill drive and drill pipe for translation.
- drills with shiftable transmissions have been proposed. These transmissions are generally relatively complex.
- a drill with an adjustable translation between drill drive and drill pipe is for example from the JP 2002-97882 known.
- To provide different rotational speeds and torques on the drill pipe there is proposed to provide two different gear ratios, which can be selectively used.
- the known drills that allow adjustment of the rotational speed of the drill string have either a complex drive or a complex gearbox.
- the invention is based on the object of specifying a drill and a drilling method that allow a simple adjustment of the rotational speed of a drill pipe with a simple and low-maintenance construction of the drill.
- the object is achieved in that the transmission for inverting the translation is detachably and reversibly disposed on the drill drive.
- the gear is released from the drill drive, turned and connected in the reversed state again with the drill drive.
- a connected in a first state with the drill drive transmission input is thus used in a second, reversed state for connection to the drill string.
- a second, reversed state is connected to the drill drive.
- Transmission input and transmission output are designed for this purpose so that they are connected to both the drill drive and with the drill string.
- the drill according to the invention can thus provide two different ratios and thus rotational speeds of the drill string in a particularly simple manner.
- the transmission can be relatively simple in this case.
- the transmission may be a non-shiftable transmission, which is known in principle from drills.
- no Bohrdrug adapted drill drive and no redesign of a hydraulic circuit is necessary.
- the drill drive can only rotate one speed be delivering engine, that is he does not need to be controllable in terms of rotational speed or not to be regulated.
- a particularly preferred embodiment of the drilling device according to the invention is characterized in that the transmission has a drive unit with a first connection device for connection to the drill drive and an output unit with a second connection device for connection to the drill string and that the first connection device and the second connection device substantially equal are formed.
- the drive unit may in particular represent a shaft which is arranged on a transmission input and can be referred to as a drive shaft.
- a first connection device is provided on the drive unit.
- This connection device can be positively, positively and / or materially connectable to the drill drive or the motor output shaft and to the transmission. It is particularly preferred that the connection between drill drive and gear via form fit, for example via a tooth connection or via a tongue and groove connection can be produced.
- the transmission has an output unit, which can also be designed as a shaft and can be referred to as an output shaft.
- the output unit Via a second connecting device, the output unit can be connected to the drill pipe.
- first and second connecting devices it is possible for the first and second connecting devices to have different designs and, for example, to be exchanged for the purpose of connection to the drill drive or drill pipe or to be provided with adapters adapted in each case after the transmission has been turned.
- first connecting device and the second connecting device are formed substantially the same.
- the transmission can be reconnected in a particularly simple manner in a turned state with the drill drive and the drill pipe.
- the output unit is connected to the drill drive and the drive unit to the drill string.
- the transmission is annular.
- both the drive unit and the output unit are designed as at least partially hollow waves.
- the annular gear has the advantage that the motor output shaft and the drill string are particularly easy to connect to the gear by these are introduced into the respective hollow shafts.
- suitable connecting devices in particular releasable couplings, as they are known in principle from the prior art, the nested so waves are rotatably connected to each other.
- a preferred embodiment of the invention is that the transmission is flanged to the drill drive.
- the flange connection ensures that the gear can be released from the drill drive without much effort.
- substantially equal flanges are provided at the gearbox input and at the gearbox output. The respective side lying on the drill pipe flange can be in the installed state of the transmission without function.
- the transmission is connectable via a universal joint with the drill drive.
- a universal joint By arranged between the drill drive and the transmission universal joint, an angle between the longitudinal axes of the motor output shaft and the drive unit, in particular drive shaft, be bridged.
- the drill drive is arranged on a guided on the mast first slide.
- the drill and the drill string drill drive and gear are moved axially on the mast, so that a telescopic linkage to the axial feed is basically not required.
- the transmission is arranged on a second carriage guided on the mast.
- This arrangement allows a particularly comfortable turning of the transmission.
- the following procedure is proposed. First, the connection between drill drive and gearbox is released and the drill pipe is removed from the gearbox. Subsequently, the second carriage is fixed axially on the mast and the first carriage with the Drill drive axially away from the second carriage. Then the gear is turned. Finally, the first slide with the drill drive for connecting to the gear in a turned state again moved axially in the direction of the transmission.
- the transmission is rotatably mounted on the second carriage, to allow easy turning of the transmission without releasing it from the second carriage.
- the weight of the transmission can thus be worn during the turning of the second carriage and allows an operator to make a translation adjustment without much effort.
- the second carriage has a brake for axial locking on the mast.
- a further development according to the invention is that at least one universal joint is provided between the gearbox and the drill pipe.
- the universal joint is particularly advantageous when the drill string is guided over its own rod guide on the mast.
- the drill drive on a first carriage is particularly preferred.
- the gear on a second carriage is particularly easy to carry out.
- Both drill drive and drill string can be held on the mast while the gear is turned.
- two universal joints are provided which are arranged between the drill drive and the transmission or between the transmission and the drill pipe.
- the transmission has a gear housing with two substantially identical flange connections.
- the transmission is in an initial state and in a turned state without a
- Adapter connectable to the drill drive.
- the method according to the invention for operating the drilling device is characterized in that the gearbox is disengaged from the drilling drive in order to invert the gear ratio, turned and connected in the turned state back to the drill drive.
- FIG. 1 an inventive drill 1 with a mast 20, a drill drive 22 and a transmission 40 is shown.
- the drill 1 has a chassis 10, which consists of an undercarriage 12 and an uppercarriage 14 rotatably hinged thereto.
- On the uppercarriage 14 of the mast 20 is pivotally mounted.
- a pivoting cylinder 18 By means of a pivoting cylinder 18, the mast 20 can be pivoted from a substantially vertical operating position into a substantially horizontal transport position.
- a winch 15 is arranged, which receives a cable 17, which leads to a arranged in the upper region of the mast deflection roller.
- the mast 20 also has a mast head 24. In its operating position, the mast 20 is arranged in front of a front region of the chassis 10.
- the mast 20 On a mast front side, that is, a side facing away from the chassis 10, the mast 20 has a guide device 26 on which a first carriage 30 along the mast 20 can be guided.
- the guide device 26 has two guide rails, the side are arranged in a front region of the mast.
- the first carriage 30 has four guide jaws 32, wherein each two guide jaws 32 are slidably engaged with a guide rail.
- a feed drive 34 is arranged, which is provided for displacing the first carriage 30 along the mast 20.
- 20 two fixed chains 38 are arranged on the mast.
- the feed drive 34 is rotatably connected to two drive pinions, which are connected to the fixed chains 38 such that during operation of the feed drive 34 of the feed drive 34 is moved together with the first carriage 30 along the fixed chains 38.
- the first carriage 30 further includes a drill drive 22 which is provided for rotationally driving a drill pipe.
- the drill drive 22 can thus also be referred to as a rotary drive.
- the drill string can be, for example, a Kelly bar or else a drill pipe which is used to support the borehole during so-called Kelly drilling.
- a gear 40 is flanged over a first universal joint 42, which raises the speed and lowers the torque.
- the drill 1 is suitable, for example, for positive displacement or CSV holes, which require a high speed.
- the transmission 40 is arranged on a separate, second carriage 46, which can also be guided along the mast 20.
- a second universal joint 44 is flanged, which is provided for receiving the drill string.
- the transmission 40 for inverting the translation is releasably and reversibly arranged on the drill drive 22.
- a rod guide 50 is provided below the transmission 40 and the second universal joint 44. This is attached to the mast 20.
- a transmission 40 according to the invention is shown.
- the transmission 40 is arranged in the illustration shown such that it causes a translation into slow and thus an increase in torque.
- a high torque is needed, for example, for so-called kelly drilling.
- the gear 40 is connected directly, without universal joint, to the drill drive 22.
- a gear housing which receives the gear 40, flanged to the first carriage 30.
- Drill drive 22 and gear 40 are rotatably engaged with each other.
- a drill pipe can be connected to the transmission 40 so that a torque is transmitted to this.
- Fig . 3 shows that in Fig. 2 shown gear 40 with drill drive 22, in addition to a second universal joint 44, which is arranged below the transmission 40.
- the second universal joint 44 is provided for receiving a drill pipe.
- a transmission 40 is provided with a speed ratio, that is, the transmission 40 causes a speed increase and a torque reduction.
- a first universal joint 42 is arranged between gear 40 and drill drive 22.
- the transmission 40 is arranged on a second carriage 46, which is guided on the mast 20.
- the second carriage 46 is guided along the same guide device 26 as the first carriage 30.
- Fig. 5 shows the arrangement Fig. 4 in addition to a second universal joint 44, which is provided below the transmission 40.
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- 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)
- Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
Abstract
Description
Die Erfindung betrifft ein Bohrgerät mit einem Mast, einem am Mast geführten Bohrantrieb zum Antreiben eines Bohrgestänges und einem Getriebe, welches zwischen Bohrantrieb und Bohrgestänge zur Übersetzung angeordnet ist.The invention relates to a drill with a mast, guided on a mast drill drive for driving a drill string and a transmission which is arranged between the drill drive and drill pipe for translation.
Häufig sollen mit einem derartigen Bohrgerät unterschiedliche Bohrverfahren ausgeführt werden oder es sind während eines komplexen Bohrverfahrens unterschiedliche Anforderungen an Drehgeschwindigkeit und/oder Drehmoment des Bohrers beziehungsweise Bohrgestänges gestellt.Frequently, with such a drill different drilling methods are performed or there are different requirements placed on the rotational speed and / or torque of the drill or drill pipe during a complex drilling process.
Eine Möglichkeit, diesen unterschiedlichen Anforderungen gerecht zu werden, besteht darin, unterschiedliche Bohrgeräte zu verwenden. Dies bedeutet bei einem komplexen Bohrverfahren jedoch einen erheblichen Aufwand, da zum Beispiel aufeinander folgende Bohrschritte mit unterschiedlichen Bohrgeräten ausgeführt werden müssen.One way to meet these different needs is to use different drills. However, this means in a complex drilling process, a considerable effort, since, for example, consecutive drilling steps must be performed with different drilling rigs.
Bei bekannten Bohrgeräten ist daher zum Beispiel vorgesehen, dass die Drehgeschwindigkeit eines Bohrantriebs regel- oder steuerbar ist. Somit lassen sich auch mit einem einzigen Bohrgerät unterschiedliche Drehgeschwindigkeiten und Drehmomente an Bohrgestänge beziehungsweise Bohrer realisieren. Nachteilig hieran sind jedoch der relativ hohe Konstruktionsaufwand für den Motor und die komplexe Steuerung. Ein solches Bohrgerät ist daher mit vergleichsweise hohen Herstellungskosten und hohen Wartungskosten verbunden. Ein Bohrgerät mit einem regelbaren Bohrantrieb ist in
Alternativ wurden Bohrgeräte mit schaltbaren Getrieben vorgeschlagen. Diese Getriebe sind im Allgemeinen relativ komplex aufgebaut. Ein Bohrgerät mit einer anpassbaren Übersetzung zwischen Bohrantrieb und Bohrgestänge ist beispielsweise aus der
Die bekannten Bohrgeräte, die eine Anpassung der Drehgeschwindigkeit des Bohrgestänges zulassen, haben entweder einen komplexen Antrieb oder ein komplexes Getriebe.The known drills that allow adjustment of the rotational speed of the drill string have either a complex drive or a complex gearbox.
Der Erfindung liegt vor diesem Hintergrund die Aufgabe zugrunde, ein Bohrgerät und ein Bohrverfahren anzugeben, die bei möglichst einfachem und wartungsarmem Aufbau des Bohrgeräts eine einfache Anpassung der Drehgeschwindigkeit eines Bohrgestänges ermöglichen.The invention is based on the object of specifying a drill and a drilling method that allow a simple adjustment of the rotational speed of a drill pipe with a simple and low-maintenance construction of the drill.
Die Aufgabe wird erfindungsgemäß dadurch gelöst, dass das Getriebe zur Invertierung der Übersetzung lösbar und wendbar an dem Bohrantrieb angeordnet ist.The object is achieved in that the transmission for inverting the translation is detachably and reversibly disposed on the drill drive.
Zur Anpassung der Drehgeschwindigkeit des Bohrgestänges und damit des mit diesem verbundenen Bohrers wird das Getriebe vom Bohrantrieb gelöst, gewendet und in gewendetem Zustand wieder mit dem Bohrantrieb verbunden.To adjust the rotational speed of the drill string and thus the associated with this drill, the gear is released from the drill drive, turned and connected in the reversed state again with the drill drive.
Ein in einem ersten Zustand mit dem Bohrantrieb verbundener Getriebeeingang wird also in einem zweiten, gewendeten Zustand zur Verbindung mit dem Bohrgestänge verwendet. Gleichzeitig wird ein im ersten Zustand zur Verbindung mit dem Bohrgestänge vorgesehener Getriebeausgang im zweiten, gewendeten Zustand mit dem Bohrantrieb verbunden.A connected in a first state with the drill drive transmission input is thus used in a second, reversed state for connection to the drill string. At the same time provided in the first state for connection to the drill pipe transmission output in the second, reversed state is connected to the drill drive.
Getriebeeingang und Getriebeausgang sind zu diesem Zweck derart gestaltet, dass sie jeweils sowohl mit dem Bohrantrieb als auch mit dem Bohrgestänge verbindbar sind.Transmission input and transmission output are designed for this purpose so that they are connected to both the drill drive and with the drill string.
Das erfindungsgemäße Bohrgerät kann somit in besonders einfacher Weise zwei unterschiedliche Übersetzungen und damit Drehgeschwindigkeiten des Bohrgestänges bereitstellen.The drill according to the invention can thus provide two different ratios and thus rotational speeds of the drill string in a particularly simple manner.
Das Getriebe kann dabei relativ einfach aufgebaut sein. Insbesondere kann das Getriebe ein nicht schaltbares Getriebe sein, welches im Grundsatz aus Bohrgeräten bekannt ist. Auch ist kein dem Bohrverfahren angepasster Bohrantrieb und keine Umgestaltung einer hydraulischen Schaltung notwendig. Der Bohrantrieb kann ein nur eine Drehgeschwindigkeit liefernder Motor sein, das heißt er braucht hinsichtlich Drehgeschwindigkeit nicht steuerbar beziehungsweise nicht regelbar zu sein.The transmission can be relatively simple in this case. In particular, the transmission may be a non-shiftable transmission, which is known in principle from drills. Also, no Bohrdrug adapted drill drive and no redesign of a hydraulic circuit is necessary. The drill drive can only rotate one speed be delivering engine, that is he does not need to be controllable in terms of rotational speed or not to be regulated.
Eine besonders bevorzugte Ausführungsform des erfindungsgemäßen Bohrgeräts ist dadurch gekennzeichnet, dass das Getriebe eine Antriebseinheit mit einer ersten Verbindungseinrichtung zum Verbinden mit dem Bohrantrieb und eine Abtriebseinheit mit einer zweiten Verbindungseinrichtung zum Verbinden mit dem Bohrgestänge aufweist und dass die erste Verbindungseinrichtung und die zweite Verbindungseinrichtung im Wesentlichen gleich ausgebildet sind.A particularly preferred embodiment of the drilling device according to the invention is characterized in that the transmission has a drive unit with a first connection device for connection to the drill drive and an output unit with a second connection device for connection to the drill string and that the first connection device and the second connection device substantially equal are formed.
Die Antriebseinheit kann insbesondere eine Welle darstellen, welche an einem Getriebeeingang angeordnet ist und als Antriebswelle bezeichnet werden kann. Zum Verbinden mit dem Bohrantrieb, insbesondere einer Ausgangswelle des Bohrantriebs, welche auch als Motorausgangswelle bezeichnet werden kann, ist an der Antriebseinheit eine erste Verbindungseinrichtung vorgesehen. Diese Verbindungseinrichtung kann mit dem Bohrantrieb beziehungsweise der Motorausgangswelle und mit dem Getriebe kraft-, form- und/oder materialschlüssig verbindbar sein. Besonders bevorzugt ist es, dass die Verbindung zwischen Bohrantrieb und Getriebe über Formschluss, beispielsweise über eine Zahnverbindung oder über eine Feder-Nut-Verbindung herstellbar ist.The drive unit may in particular represent a shaft which is arranged on a transmission input and can be referred to as a drive shaft. For connection to the drill drive, in particular an output shaft of the drill drive, which can also be referred to as motor output shaft, a first connection device is provided on the drive unit. This connection device can be positively, positively and / or materially connectable to the drill drive or the motor output shaft and to the transmission. It is particularly preferred that the connection between drill drive and gear via form fit, for example via a tooth connection or via a tongue and groove connection can be produced.
An einem Getriebeausgang weist das Getriebe eine Abtriebseinheit auf, welche ebenfalls als Welle ausgebildet sein kann und als Abtriebswelle bezeichnet werden kann. Über eine zweite Verbindungseinrichtung ist die Abtriebseinheit mit dem Bohrgestänge verbindbar.At a transmission output, the transmission has an output unit, which can also be designed as a shaft and can be referred to as an output shaft. Via a second connecting device, the output unit can be connected to the drill pipe.
Grundsätzlich ist es möglich, dass erste und zweite Verbindungseinrichtung unterschiedlich ausgebildet sind und beispielsweise nach Wendung des Getriebes zur Verbindung mit Bohrantrieb beziehungsweise Bohrgestänge ausgetauscht oder mit jeweils angepassten Adaptern versehen werden. Besonders bevorzugt ist es hingegen, dass die erste Verbindungseinrichtung und die zweite Verbindungseinrichtung im Wesentlichen gleich ausgebildet sind. Hierdurch lässt sich das Getriebe in besonders einfacher Weise in gewendetem Zustand erneut mit dem Bohrantrieb und dem Bohrgestänge verbinden. Dabei wird die Abtriebseinheit mit dem Bohrantrieb und die Antriebseinheit mit dem Bohrgestänge verbunden.In principle, it is possible for the first and second connecting devices to have different designs and, for example, to be exchanged for the purpose of connection to the drill drive or drill pipe or to be provided with adapters adapted in each case after the transmission has been turned. In contrast, it is particularly preferred that the first connecting device and the second connecting device are formed substantially the same. As a result, the transmission can be reconnected in a particularly simple manner in a turned state with the drill drive and the drill pipe. The output unit is connected to the drill drive and the drive unit to the drill string.
Eine erfindungsgemäße Ausgestaltung ist dadurch gegeben, dass das Getriebe ringförmig ausgebildet ist. Hierunter ist insbesondere zu verstehen, dass sowohl Antriebseinheit als auch Abtriebseinheit als zumindest teilweise hohlförmige Wellen ausgebildet sind. Das ringförmige Getriebe bietet den Vorteil, dass die Motorausgangswelle und das Bohrgestänge besonders einfach mit dem Getriebe verbindbar sind, indem diese in die jeweils hohlförmigen Wellen eingebracht werden. Mittels geeigneter Verbindungseinrichtungen, insbesondere lösbaren Kupplungen, wie sie grundsätzlich aus dem Stand der Technik bekannt sind, werden die so ineinander gesteckten Wellen drehfest miteinander verbunden.An embodiment of the invention is given by the fact that the transmission is annular. This is to be understood in particular that both the drive unit and the output unit are designed as at least partially hollow waves. The annular gear has the advantage that the motor output shaft and the drill string are particularly easy to connect to the gear by these are introduced into the respective hollow shafts. By means of suitable connecting devices, in particular releasable couplings, as they are known in principle from the prior art, the nested so waves are rotatably connected to each other.
Eine bevorzugte Ausführungsform der Erfindung besteht darin, dass das Getriebe an dem Bohrantrieb anflanschbar ist. Durch die Flanschverbindung wird erreicht, dass das Getriebe ohne großen Aufwand vom Bohrantrieb gelöst werden kann. Um das Getriebe in gewendetem Zustand ebenfalls an dem Bohrantrieb anflanschen zu können, ist es besonders bevorzugt, dass am Getriebeeingang und am Getriebeausgang im Wesentlichen gleiche Flansche vorgesehen sind. Der jeweils auf Seite des Bohrgestänges liegende Flansch kann dabei in eingebautem Zustand des Getriebes ohne Funktion sein.A preferred embodiment of the invention is that the transmission is flanged to the drill drive. The flange connection ensures that the gear can be released from the drill drive without much effort. In order to also be able to flange the gear in the turned state on the drill drive, it is particularly preferred that substantially equal flanges are provided at the gearbox input and at the gearbox output. The respective side lying on the drill pipe flange can be in the installed state of the transmission without function.
Zum Ausgleichen eines Winkelversatzes zwischen Bohrantrieb und Getriebe ist es besonders bevorzugt, dass das Getriebe über ein Kardangelenk mit dem Bohrantrieb verbindbar ist. Durch das zwischen Bohrantrieb und Getriebe angeordnete Kardangelenk kann ein Winkel zwischen den Längsachsen der Motorausgangswelle und der Antriebseinheit, insbesondere Antriebswelle, überbrückt werden.To compensate for an angular offset between drill drive and transmission, it is particularly preferred that the transmission is connectable via a universal joint with the drill drive. By arranged between the drill drive and the transmission universal joint, an angle between the longitudinal axes of the motor output shaft and the drive unit, in particular drive shaft, be bridged.
Gemäß einer bevorzugten Weiterbildung der Erfindung ist vorgesehen, dass der Bohrantrieb an einem am Mast geführten ersten Schlitten angeordnet ist. Zum axialen Vorschub des Bohrers und des Bohrgestänges werden Bohrantrieb und Getriebe axial am Mast verfahren, so dass ein teleskopierbares Gestänge zum Axialvorschub grundsätzlich nicht erforderlich ist.According to a preferred embodiment of the invention, it is provided that the drill drive is arranged on a guided on the mast first slide. For axial feed of the drill and the drill string drill drive and gear are moved axially on the mast, so that a telescopic linkage to the axial feed is basically not required.
In einer besonders bevorzugten Ausführungsform der Erfindung ist vorgesehen, dass das Getriebe an einem am Mast geführten zweiten Schlitten angeordnet ist. Diese Anordnung ermöglicht ein besonders komfortables Wenden des Getriebes. Hierzu wird folgendes Vorgehen vorgeschlagen. Zunächst wird die Verbindung zwischen Bohrantrieb und Getriebe gelöst und das Bohrgestänge vom Getriebe abgenommen. Anschließend wird der zweite Schlitten axial am Mast festgelegt und der erste Schlitten mit dem Bohrantrieb axial vom zweiten Schlitten weg verfahren. Sodann wird das Getriebe gewendet. Schließlich wird der erste Schlitten mit dem Bohrantrieb zum Verbinden mit dem Getriebe in gewendetem Zustand wieder axial in Richtung des Getriebes verfahren.In a particularly preferred embodiment of the invention it is provided that the transmission is arranged on a second carriage guided on the mast. This arrangement allows a particularly comfortable turning of the transmission. For this purpose, the following procedure is proposed. First, the connection between drill drive and gearbox is released and the drill pipe is removed from the gearbox. Subsequently, the second carriage is fixed axially on the mast and the first carriage with the Drill drive axially away from the second carriage. Then the gear is turned. Finally, the first slide with the drill drive for connecting to the gear in a turned state again moved axially in the direction of the transmission.
Besonders vorteilhaft ist es dabei, wenn das Getriebe drehbar an dem zweiten Schlitten angeordnet ist, um ein einfaches Wenden des Getriebes, ohne dieses vom zweiten Schlitten zu lösen, zu ermöglichen. Das Eigengewicht des Getriebes kann somit auch während des Wendens vom zweiten Schlitten getragen werden und ermöglicht es einem Bediener, ohne großen Kraftaufwand eine Übersetzungsanpassung vorzunehmen. Vorteilhaft ist es in diesem Zusammenhang weiterhin, dass der zweite Schlitten eine Bremse zum axialen Feststellen am Mast aufweist.It is particularly advantageous if the transmission is rotatably mounted on the second carriage, to allow easy turning of the transmission without releasing it from the second carriage. The weight of the transmission can thus be worn during the turning of the second carriage and allows an operator to make a translation adjustment without much effort. It is also advantageous in this context that the second carriage has a brake for axial locking on the mast.
Eine erfindungsgemäße Weiterentwicklung ist, dass mindestens ein Kardangelenk zwischen Getriebe und Bohrgestänge vorgesehen ist. Das Kardangelenk ist insbesondere dann vorteilhaft, wenn das Bohrgestänge über eine eigene Gestängeführung am Mast geführt ist. Mittels des Kardangelenkes kann ein Winkelversatz zwischen den Längsachsen der Abtriebseinheit des Getriebes und dem Bohrgestänge ausgeglichen werden.A further development according to the invention is that at least one universal joint is provided between the gearbox and the drill pipe. The universal joint is particularly advantageous when the drill string is guided over its own rod guide on the mast. By means of the universal joint, an angular offset between the longitudinal axes of the output unit of the transmission and the drill string can be compensated.
Besonders bevorzugt ist der Bohrantrieb an einem ersten Schlitten, das Getriebe an einem zweiten Schlitten und das Bohrgestänge an einer Gestängeführung am Mast geführt. Durch die beiden Schlitten und die Gestängeführung ist das oben beschriebene Verfahren zum Wenden des Getriebes besonders einfach durchführbar. Sowohl Bohrantrieb als auch Bohrgestänge können am Mast gehalten werden, während das Getriebe gewendet wird. Vorteilhafterweise sind bei dieser Ausführungsform zwei Kardangelenke vorgesehen, welche zwischen Bohrantrieb und Getriebe beziehungsweise zwischen Getriebe und Bohrgestänge angeordnet sind.Particularly preferred is the drill drive on a first carriage, the gear on a second carriage and the drill string on a rod guide guided on the mast. Through the two slides and the rod guide the method described above for turning the gearbox is particularly easy to carry out. Both drill drive and drill string can be held on the mast while the gear is turned. Advantageously, in this embodiment, two universal joints are provided which are arranged between the drill drive and the transmission or between the transmission and the drill pipe.
Nach der Erfindung ist es vorteilhaft, dass das Getriebe ein Getriebegehäuse mit zwei im Wesentlichen gleich ausgebildeten Flanschanschlüssen aufweist. Hierdurch ist das Getriebe in einem Ausgangszustand und in einem gewendeten Zustand ohne einenAccording to the invention, it is advantageous that the transmission has a gear housing with two substantially identical flange connections. As a result, the transmission is in an initial state and in a turned state without a
Adapter mit dem Bohrantrieb verbindbar.Adapter connectable to the drill drive.
Das erfindungsgemäße Verfahren zum Betrieb des Bohrgeräts ist dadurch gekennzeichnet, dass das Getriebe zur Invertierung der Übersetzung von dem Bohrantrieb gelöst, gewendet und in dem gewendeten Zustand wieder an den Bohrantrieb angeschlossen wird. Mit diesem Verfahren kann eine Änderung der Übersetzung, beispielsweise zur Anpassung an ein anderes Bohrverfahren, besonders zeitsparend und kostengünstig durchgeführt werden. Ein aufwändiges Umrüsten des Bohrgeräts oder gar ein Ersetzen des Bohrgeräts durch ein anderes Bohrgerät kann vermieden werden.The method according to the invention for operating the drilling device is characterized in that the gearbox is disengaged from the drilling drive in order to invert the gear ratio, turned and connected in the turned state back to the drill drive. With this method, a change in the translation, for example, to adapt to another drilling method, particularly time-saving and cost-effective. A complex conversion of the drill or even a replacement of the drill by another drill can be avoided.
Die Erfindung wird im Folgenden anhand beiliegender Figuren beispielhaft weiter erläutert. Es zeigt:
- Fig. 1
- ein Bohrgerät mit einem Bohrantrieb und einem Getriebe mit einer Übersetzung ins Schnelle;
- Fig. 2
- eine Ausführungsform eines Bohrantriebs mit direkt angeflanschtem Getriebe zur Drehmomenterhöhung;
- Fig. 3
- das in
Fig. 2 dargestellte Getriebe, zusätzlich mit Kardangelenk am Getriebeausgang; - Fig. 4
- eine Ausführungsform eines Bohrantriebs mit Getriebe mit Übersetzung ins Schnelle und Kardangelenk am Getriebeeingang; und
- Fig. 5
- das in
Fig. 4 dargestellte Getriebe, zusätzlich mit Kardangelenk am Getriebeausgang.
- Fig. 1
- a drill with a drill drive and a gearbox with a gear ratio in quick;
- Fig. 2
- an embodiment of a drill drive with directly flanged gear for torque increase;
- Fig. 3
- this in
Fig. 2 illustrated gear, in addition to universal joint at the transmission output; - Fig. 4
- an embodiment of a drill drive with gearbox with translation in quick and universal joint at the transmission input; and
- Fig. 5
- this in
Fig. 4 shown gear, in addition with universal joint at the transmission output.
In
Der erste Schlitten 30 weist ferner einen Bohrantrieb 22 auf, welcher zum drehenden Antreiben eines Bohrgestänges vorgesehen ist. Der Bohrantrieb 22 kann somit auch als Drehantrieb bezeichnet werden. Bei dem Bohrgestänge kann es sich beispielsweise um eine Kellystange oder aber auch um ein Bohrrohr handeln, welches zur Abstützung des Bohrloches beim so genannten Kellybohren verwendet wird. Unterhalb des Bohrantriebs 22 ist über ein erstes Kardangelenk 42 ein Getriebe 40 angeflanscht, welches die Drehzahl anhebt und das Drehmoment senkt. In dieser Ausführungsform ist das Bohrgerät 1 beispielsweise für Verdrängerbohrungen oder CSV-Bohrungen geeignet, welche eine hohe Drehzahl benötigen.The
Das Getriebe 40 ist an einem eigenen, zweiten Schlitten 46, welcher ebenfalls entlang des Mastes 20 führbar ist, angeordnet. Unterhalb des Getriebes 40 ist ein zweites Kardangelenk 44 angeflanscht, welches zur Aufnahme des Bohrgestänges vorgesehen ist.The
Erfindungsgemäß ist das Getriebe 40 zur Invertierung der Übersetzung lösbar und wendbar an dem Bohrantrieb 22 angeordnet. Zur Führung und/oder zum Festhalten des Bohrgestänges ist unterhalb des Getriebes 40 und des zweiten Kardangelenks 44 eine Gestängeführung 50 vorgesehen. Diese ist an dem Mast 20 befestigt.According to the invention, the
In
In
Claims (10)
dass das Getriebe (40) zur Invertierung der Übersetzung lösbar und wendbar an dem Bohrantrieb (22) angeordnet ist.Drill with
that the transmission (40) for inverting the translation is arranged detachable and reversible manner on the drill drive (22).
dadurch gekennzeichnet,
dass das Getriebe (40) eine Antriebseinheit mit einer ersten Verbindungseinrichtung zum Verbinden mit dem Bohrantrieb und eine Abtriebseinheit mit einer zweiten Verbindungseinrichtung zum Verbinden mit dem Bohrgestänge aufweist und dass die erste Verbindungseinrichtung zum Verbinden mit dem Bohrgestänge und die zweite Verbindungseinrichtung im Wesentlichen gleich ausgebildet sind.Drilling device according to claim 1,
characterized,
in that the transmission (40) has a drive unit with a first connection device for connection to the drill drive and an output unit with a second connection device for connection to the drill pipe, and that the first connection device for connection to the drill pipe and the second connection device are constructed substantially the same.
dadurch gekennzeichnet,
dass das Getriebe (40) ringförmig ausgebildet ist.Drilling device according to claim 1 or 2,
characterized,
that the transmission (40) is annular.
dadurch gekennzeichnet,
dass das Getriebe (40) an dem Bohrantrieb (22) anflanschbar ist.Drilling device according to one of claims 1 to 3,
characterized,
that the transmission (40) to the drill drive (22) can be flanged.
dadurch gekennzeichnet,
dass das Getriebe (40) über ein Kardangelenk (42) mit dem Bohrantrieb (22) verbindbar ist.Drilling device according to one of claims 1 to 3,
characterized,
that the transmission (40) via a universal joint (42) to the drill drive (22) is connectable.
dadurch gekennzeichnet,
dass der Bohrantrieb (22) an einem am Mast (20) geführten ersten Schlitten (30) angeordnet ist.Drilling device according to one of claims 1 to 5,
characterized,
that the drill drive (22) guided on a mast (20) the first carriage (30) is arranged.
dadurch gekennzeichnet,
dass das Getriebe (40) an einem am Mast (20) geführten zweiten Schlitten (46) angeordnet ist.Drilling device according to one of claims 1 to 6,
characterized,
in that the gear (40) is arranged on a second carriage (46) guided on the mast (20).
dadurch gekennzeichnet,
dass mindestens ein Kardangelenk (44) zwischen Getriebe (40) und Bohrgestänge vorgesehen ist.Drilling device according to one of claims 1 to 7,
characterized,
in that at least one universal joint (44) is provided between the gearbox (40) and the drill pipe.
dadurch gekennzeichnet,
dass das Getriebe (40) ein Getriebegehäuse mit zwei im Wesentlichen gleich ausgebildeten Flanschanschlüssen aufweist.Drilling device according to one of claims 1 to 8,
characterized,
in that the transmission (40) has a gearbox housing with two essentially identically designed flange connections.
dadurch gekennzeichnet,
dass das Getriebe (40) zur Invertierung der Übersetzung von dem Bohrantrieb (22) gelöst, gewendet und in dem gewendeten Zustand wieder an den Bohrantrieb (22) angeschlossen wird.Method for operating a drilling device (1) with a mast (20), a drilling drive (22) guided on the mast (20) for driving a drill pipe and a gear (40) arranged between the drill drive (22) and the drill pipe for the transmission, in particular according to one of claims 1 to 9,
characterized,
that the transmission (40) for inverting the translation of the drill drive (22) dissolved, turned and connected in the turned state back to the drill drive (22).
Priority Applications (9)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP07018414A EP2048321B1 (en) | 2007-09-19 | 2007-09-19 | Drill and method for operating a drill |
DE502007002826T DE502007002826D1 (en) | 2007-09-19 | 2007-09-19 | Drill and method of operating a drill |
AT07018414T ATE457411T1 (en) | 2007-09-19 | 2007-09-19 | DRILLING UNIT AND METHOD FOR OPERATING A DRILLING UNIT |
MYPI20083341A MY144864A (en) | 2007-09-19 | 2008-08-29 | Drilling implement and method for operating a drilling implement |
US12/230,709 US8002048B2 (en) | 2007-09-19 | 2008-09-03 | Drilling implement and method for operating a drilling implement |
SG200806680-5A SG151201A1 (en) | 2007-09-19 | 2008-09-11 | Drilling implement and method for operating a drilling implement |
JP2008236132A JP4864951B2 (en) | 2007-09-19 | 2008-09-16 | Excavator and operation method of excavator |
RU2008137262/03A RU2393318C2 (en) | 2007-09-19 | 2008-09-18 | Soil drilling device and its operating method |
CN2008101490905A CN101392630B (en) | 2007-09-19 | 2008-09-19 | Drill and method for operating a drill |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP07018414A EP2048321B1 (en) | 2007-09-19 | 2007-09-19 | Drill and method for operating a drill |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2048321A1 true EP2048321A1 (en) | 2009-04-15 |
EP2048321B1 EP2048321B1 (en) | 2010-02-10 |
Family
ID=38727505
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP07018414A Not-in-force EP2048321B1 (en) | 2007-09-19 | 2007-09-19 | Drill and method for operating a drill |
Country Status (9)
Country | Link |
---|---|
US (1) | US8002048B2 (en) |
EP (1) | EP2048321B1 (en) |
JP (1) | JP4864951B2 (en) |
CN (1) | CN101392630B (en) |
AT (1) | ATE457411T1 (en) |
DE (1) | DE502007002826D1 (en) |
MY (1) | MY144864A (en) |
RU (1) | RU2393318C2 (en) |
SG (1) | SG151201A1 (en) |
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EP3228756A1 (en) * | 2016-04-04 | 2017-10-11 | BAUER Maschinen GmbH | Machine tool and method for machining a soil |
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EP2378001B1 (en) * | 2010-04-16 | 2013-06-12 | BAUER Maschinen GmbH | Soil cultivation device |
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JP5730145B2 (en) * | 2011-06-30 | 2015-06-03 | 日本車輌製造株式会社 | Pile gear transmission |
US9016402B2 (en) * | 2011-09-08 | 2015-04-28 | Garry Thorne | Geological drill |
WO2013103610A1 (en) * | 2012-01-04 | 2013-07-11 | Longyear Tm, Inc. | Over center drill head gear shifting system |
WO2013106207A1 (en) * | 2012-01-11 | 2013-07-18 | Longyear Tm, Inc. | Progressive dual-shift drill head and systems and methods thereof |
CN104074467B (en) * | 2014-06-25 | 2016-03-30 | 上海中联重科桩工机械有限公司 | The bindiny mechanism of mast and unit head and combination and there is the rotary drilling rig of this combination |
US10563770B2 (en) * | 2016-05-05 | 2020-02-18 | National Oilwell Varco, L.P. | Washpipe assemblies for a power swivel |
CN106245624B (en) * | 2016-09-30 | 2018-12-11 | 上海金泰工程机械有限公司 | Jack up steel reinforcement cage joint bar auxiliary device and its application method |
IT201700024727A1 (en) | 2017-03-06 | 2018-09-06 | Soilmec Spa | MODULAR HANDLING GROUP OF EXCAVATION EQUIPMENT FOR EXCAVATION MACHINES, EXCAVATION MACHINE, METHOD TO CONVERT THE EXCAVATION CONFIGURATION OF AN EXCAVATION MACHINE. |
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Also Published As
Publication number | Publication date |
---|---|
US8002048B2 (en) | 2011-08-23 |
CN101392630A (en) | 2009-03-25 |
EP2048321B1 (en) | 2010-02-10 |
MY144864A (en) | 2011-11-30 |
JP4864951B2 (en) | 2012-02-01 |
SG151201A1 (en) | 2009-04-30 |
DE502007002826D1 (en) | 2010-03-25 |
JP2009074360A (en) | 2009-04-09 |
US20090071674A1 (en) | 2009-03-19 |
RU2393318C2 (en) | 2010-06-27 |
ATE457411T1 (en) | 2010-02-15 |
CN101392630B (en) | 2012-03-21 |
RU2008137262A (en) | 2010-03-27 |
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