EP3029259B1 - Device for driving a drilling machine - Google Patents
Device for driving a drilling machine Download PDFInfo
- Publication number
- EP3029259B1 EP3029259B1 EP15003399.1A EP15003399A EP3029259B1 EP 3029259 B1 EP3029259 B1 EP 3029259B1 EP 15003399 A EP15003399 A EP 15003399A EP 3029259 B1 EP3029259 B1 EP 3029259B1
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- EP
- European Patent Office
- Prior art keywords
- drive
- pinion
- rotary drive
- pinions
- rack
- Prior art date
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- 238000005553 drilling Methods 0.000 title claims description 24
- 238000000034 method Methods 0.000 claims description 6
- 230000033001 locomotion Effects 0.000 claims description 4
- 238000010276 construction Methods 0.000 description 4
- 238000009412 basement excavation Methods 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 230000014509 gene expression Effects 0.000 description 1
- 230000000284 resting effect Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Images
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
- E21B19/00—Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables
- E21B19/08—Apparatus for feeding the rods or cables; Apparatus for increasing or decreasing the pressure on the drilling tool; Apparatus for counterbalancing the weight of the rods
- E21B19/083—Cam, rack or like feed mechanisms
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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
- E21B6/00—Drives for drilling with combined rotary and percussive action
- E21B6/02—Drives for drilling with combined rotary and percussive action the rotation being continuous
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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
- E21B7/04—Directional drilling
- E21B7/046—Directional drilling horizontal drilling
Definitions
- the invention relates to a drive for a carriage of an earth boring device with a rotary drive, an earth boring device with such a drive and a method for driving a carriage of an earth boring device with a rotary drive.
- Earth drilling devices in particular horizontal drilling devices, are used in order to drill earth holes, for example for supply and disposal lines, into the ground in a trenchless manner, or to replace old lines that have already been laid in a trenchless manner.
- a drill rod having drill rod sections is usually used, in which the drill rod sections can be connected to one another.
- EP 0 886 034 B1 It is known to use a carriage reciprocable in a frame for advancing and/or pulling a drill string.
- the carriage has a socket for a section of drill string, so that the section of drill string can be moved in the direction of a feed axis to create the earth bore in the socket.
- the drive acting on the drill rod section can have a rotational and/or translational effect on the drill rod section in the receptacle.
- an earth drilling device which comprises a movable carriage for vertically displacing a drill string.
- an aerial work platform is known which has a compact rotary drive.
- each of the hydraulic motors can have a planetary gear which has a feed pinion which engages with a toothed rack fixedly arranged in the frame and moves the carriage in the frame, in particular translationally. It is thus known for large and powerful earth drilling devices to use more than one motor, for example in order to be able to carry out the earth drilling in solid ground.
- the use of several motors requires hydraulic connection lines to be provided for each of the motors and a rack attached to the frame for each of the motors. In addition, greater mechanical and hydraulic losses can result. Furthermore, the construction is relatively large.
- the invention was therefore based on the object of creating an improved drive for a carriage of an earth drilling device with a rotary drive and a pinion driven by the rotary drive, which improves at least one of the aforementioned disadvantages, and in particular can also be of compact design for large and powerful earth drilling devices and have low efficiency losses can. Furthermore, an earth drilling device with such a drive should be created. A method for driving a carriage of an earth drilling device with a rotary drive should be created, which improves the aforementioned disadvantages, in particular cost-intensive construction, many components, large construction and/or high efficiency losses.
- the core idea of the invention is the provision of a further pinion which is in engagement with the rack and which, like the first pinion which is in engagement with the rack, is driven indirectly or directly by the rotary drive.
- a drive motor i.e. the rotary drive, which can have a gear
- the power from a drive motor can be transmitted to a toothed rack via two pinions.
- the use of two or more separate motors can be omitted.
- the drive of a carriage of an earth drilling device has a rotary drive.
- the rotary drive indirectly or directly drives a pinion that can be engaged with a rack.
- the rotary drive is in engagement with a further pinion, which can be brought into engagement with the toothed rack.
- One and the same rotary drive directly or indirectly drives the pinion, which can be engaged with the rack, and the other pinion. Both pinions are driven indirectly or directly by one and the same rotary drive.
- An “earth drilling device” is understood to mean, in particular, any device which moves a drill rod containing drill rod sections in an existing or to be created channel in the ground in order to create or widen a bore, in particular a horizontal bore (HD), or to line or other long bodies in digging in the soil.
- the earth drilling device can in particular be an HD device.
- An “earth drilling device” according to the invention comprises a device that drives a drill rod, which works in a soil-displacing manner and introduces the drill rod in a rotary and/or translatory manner in the longitudinal axial direction of the drill rod into the ground.
- HD horizontal drilling, horizontal drilling
- earth channels including earth drilling, rock drilling or earth lines as well as underground or above-ground pipelines and water channels, the can be produced or drawn in by using an appropriate earth boring device.
- the term “carriage” covers a body with a receptacle for a section of drill rods, it being possible for the section of drill rods to be driven in translation and/or rotation by means of the receptacle.
- the carriage can be guided in the frame for a translatory movement along a track.
- the carriage can rest on a support connected to the frame with support elements.
- the support can be profiled and the uprising elements can be designed as rollers. Skids are also possible as
- the carriage can be guided hanging and/or resting on the frame.
- the carriage can thus be a machine element that can be moved in the frame along a path, in particular purely translationally.
- the term “frame” includes a box-shaped or cuboid structure whose side walls and/or struts or rods can transmit pressure, tension and also bending.
- the frame according to the invention preferably has a square elevation and can be arranged in a pit for creating the earth bore.
- the frame can also be a frame that is above ground, ie above the ground, can be arranged.
- the drive unit and carriage are preferably arranged in the frame.
- the frame can be provided with horizontally extendable tensioning supports, via which the recoil forces can be introduced into the ground.
- the pinion meshing with the rack can be arranged directly on the shaft of the rotary drive, so that the pinion meshing with the rack is driven directly by the rotary drive.
- the other pinion, which meshes with the rack can be driven indirectly - namely by a third pinion which is interposed between the two pinions and meshes with the two pinions which are in engagement with the rack.
- the rotary drive can also directly drive a pinion that is not in engagement with the toothed rack, in that the pinion is arranged directly on the shaft of the rotary drive.
- the pinions which are in engagement with the toothed rack in turn mesh with the pinion of the rotary drive which is seated on the shaft.
- the rotary drive has a drive pinion that meshes with the two pinions, so that the two pinions mesh with one and the same drive pinion and forced guidance of the two pinions by means of one drive pinion is possible.
- the rotary drive can also be connected directly to one of the pinions that mesh with the rack, in that a pinion that meshes with the rack is placed on the shaft of the rotary drive and is thus driven directly by the rotary drive.
- the rotary drive and the two pinions are preferably mounted on a flat structure which can be part of the carriage.
- the flat structure can be, for example, a carrier surface of the carriage.
- the two pinions rotate in the same direction.
- the two pinions can thus simultaneously roll in the same direction of movement on the toothed rack and thus set the carriage in motion.
- the two pinions are designed with helical teeth, so that in the case of helical gearwheel pairs between the drive pinion of the rotary drive and the pinion in engagement with the rack, two or more teeth are always in contact at the same time. Less hard impacts can occur when the helically toothed pinions mesh with one another—the drive pinion of the rotary drive can also have helical teeth—which leads to fewer vibration excitations. Tooth flow and pit carrying capacity can be made higher.
- the pairing occurs between the helical pinion and the drive pinion of the rotary drive does not come into direct contact over its entire width, but the loaded tooth width increases slowly as the wheels under consideration continue to rotate until the tooth pair carries load over the entire width, and slowly decreases again when turning out of the contact zone.
- the two pinions are arranged symmetrically to the rotary drive.
- the two pinions are symmetrical to a drive pinion of the rotary drive with respect to a central axis through the drive pinion, which is perpendicular to the longitudinal axis of the toothed rack.
- the rotary drive has a hydraulic motor, so that a cost-effective central drive unit can be created.
- the rotary drive comprises a planetary gear, which is a compact gear in which the input and output shafts are aligned with one another.
- the invention also provides an earth drilling device with a drive configured in accordance with the previous statements, the earth drilling device having a frame and a toothed rack fastened to the frame.
- the drive moves together with the carriage in relation to the stationary rack on the frame.
- the invention also provides a method for driving a carriage of an earth drilling device with a rotary drive, the rotary drive being in engagement with a pinion which engages in a toothed rack.
- a further pinion is driven by means of the rotary drive, which is in engagement with the rack and a force is exerted on the rack by means of the further pinion.
- the drive has a rotary drive 1 and a pinion 3 which is indirectly driven by the rotary drive 1 and which meshes with a toothed rack 5 which can be fixedly connected to a frame of an earth boring device.
- the drive also has a further pinion 4 which is also in engagement with the toothed rack 5 .
- the two pinions 3, 4 are thus in engagement with the rack 5 and the rotary drive 1 can be moved by rotating the pinions 3 and 4 relative to the rack 5 translationally in the extension of the rack 5 along this.
- the pinions 3 and 4 are in engagement with a drive pinion 2 of the rotary drive 1.
- the two pinions 3 and 4 are mounted on a flat structure 6 .
- the two pinions 3 and 4 rotate in the same direction and have the same dimensions.
- the two pinions 3 and 4 and the drive pinion 2 have helical gearing.
- the rotary drive 1 is designed as a hydraulic motor and includes a planetary gear.
- the 2 shows the engaged two pinions 3, 4 and the drive pinion 2 with the rack 5 in a view from below.
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- Engineering & Computer Science (AREA)
- Geology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- Physics & Mathematics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Mechanical Engineering (AREA)
- Earth Drilling (AREA)
- Transmission Devices (AREA)
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Description
Die Erfindung betrifft einen Antrieb eines Schlittens einer Erdbohrvorrichtung mit einem Drehantrieb, eine Erdbohrvorrichtung mit einem derartigen Antrieb und ein Verfahren zum Antreiben eines Schlittens einer Erdbohrvorrichtung mit einem Drehantrieb.The invention relates to a drive for a carriage of an earth boring device with a rotary drive, an earth boring device with such a drive and a method for driving a carriage of an earth boring device with a rotary drive.
Erdbohrvorrichtungen, insbesondere Horizontalbohrvorrichtungen, kommen zum Einsatz, um in grabenloser Bauweise Erdbohrungen beispielsweise für Versorgungs- und Entsorgungsleitungen in das Erdreich einzubringen bzw. bereits verlegte Altleitungen grabenlos auszutauschen. Zum Einbringen der Erdbohrung wird meist ein Bohrgestängeschüsse aufweisendes Bohrgestänge verwendet, bei dem die Bohrgestängeschüsse miteinander verbindbar sind.Earth drilling devices, in particular horizontal drilling devices, are used in order to drill earth holes, for example for supply and disposal lines, into the ground in a trenchless manner, or to replace old lines that have already been laid in a trenchless manner. In order to drill the earth bore, a drill rod having drill rod sections is usually used, in which the drill rod sections can be connected to one another.
Es ist beispielsweise aus
Aus
Zum translatorischen Antreiben des Schlittens in dem Rahmen ist es für große und leistungsstarke Erdbohrvorrichtungen bekannt, mehrere Hydraulikmotoren zu verwenden, die für den Antrieb des Schlittens im Rahmen, d.h. für die Hin- und Zurückbewegung, eingesetzt werden. Jeder der Hydraulikmotoren kann ein Planetengetriebe aufweisen, das ein Vorschubritzel aufweist, welches an einer fest im Rahmen angeordneten Zahnstange eingreift und den Schlitten im Rahmen, insbesondere translatorisch, bewegt. Es ist damit für große und leistungsstarke Erdbohrvorrichtungen bekannt, mehr als einen Motor zu verwenden, um beispielsweise in festen Böden die Erdbohrung durchführen zu können. Der Einsatz von mehreren Motoren bedingt, Hydraulikanschlussleitungen für jeden der Motoren und für jeden der Motoren eine am Rahmen befestigte Zahnstange vorzusehen. Zudem können sich größere mechanische und hydraulische Verluste ergeben. Ferner ist die Bauweise relativ groß.For translationally driving the carriage in the frame, it is known for large and powerful earth boring devices to use several hydraulic motors, which are used to drive the carriage in the frame, ie to move it back and forth. Each of the hydraulic motors can have a planetary gear which has a feed pinion which engages with a toothed rack fixedly arranged in the frame and moves the carriage in the frame, in particular translationally. It is thus known for large and powerful earth drilling devices to use more than one motor, for example in order to be able to carry out the earth drilling in solid ground. The use of several motors requires hydraulic connection lines to be provided for each of the motors and a rack attached to the frame for each of the motors. In addition, greater mechanical and hydraulic losses can result. Furthermore, the construction is relatively large.
Der Erfindung lag daher die Aufgabe zugrunde, einen verbesserten Antrieb eines Schlittens einer Erdbohrvorrichtung mit einem Drehantrieb und einem vom Drehantrieb angetriebenen Ritzel zu schaffen, welcher zumindest eines der vorgenannten Nachteile verbessert, insbesondere auch für große und leistungsstarke Erdbohrvorrichtungen kompakt gebaut sein kann und geringe Wirkungsgradverluste aufweisen kann. Ferner sollte eine Erdbohrvorrichtung mit einem derartigen Antrieb geschaffen werden. Ein Verfahren zum Antreiben eines Schlittens einer Erdbohrvorrichtung mit einem Drehantrieb sollte geschaffen werden, welches die vorgenannten Nachteile, insbesondere kostenintensive Bauweise, viele Bauteile, große Bauweise und/oder hohe Wirkungsgradverluste, verbessert.The invention was therefore based on the object of creating an improved drive for a carriage of an earth drilling device with a rotary drive and a pinion driven by the rotary drive, which improves at least one of the aforementioned disadvantages, and in particular can also be of compact design for large and powerful earth drilling devices and have low efficiency losses can. Furthermore, an earth drilling device with such a drive should be created. A method for driving a carriage of an earth drilling device with a rotary drive should be created, which improves the aforementioned disadvantages, in particular cost-intensive construction, many components, large construction and/or high efficiency losses.
Die Aufgabe wird durch die Gegenstände der nebengeordneten Patentansprüche gelöst. Vorteilhafte Weiterbildungen der Gegenstände der nebengeordneten Patentansprüche sind Gegenstand der jeweiligen abhängigen Patentansprüche und ergeben sich aus der nachfolgenden Beschreibung.The object is achieved by the subject matter of the independent patent claims. Advantageous developments of the subject matter of the subordinate patent claims are the subject matter of the respective dependent patent claims and result from the following description.
Kerngedanke der Erfindung ist das Vorsehen eines weiteren mit der Zahnstange in Eingriff stehenden Ritzels, das ebenso wie das erste mit der Zahnstange in Eingriff stehende Ritzel vom Drehantrieb indirekt oder direkt angetrieben wird. Hierdurch kann die Leistung von einem Antriebsmotor, d.h. dem Drehantrieb, der ein Getriebe aufweisen kann, über zwei Ritzel auf eine Zahnstange übertragen werden. Der Einsatz zweier oder mehr separater Motoren kann entfallen. Es ergibt sich eine kompakte Bauweise.The core idea of the invention is the provision of a further pinion which is in engagement with the rack and which, like the first pinion which is in engagement with the rack, is driven indirectly or directly by the rotary drive. As a result, the power from a drive motor, i.e. the rotary drive, which can have a gear, can be transmitted to a toothed rack via two pinions. The use of two or more separate motors can be omitted. A compact construction results.
Gemäß Anspruch 1 weist der Antrieb eines Schlittens einer Erdbohrvorrichtung einen Drehantrieb auf. Der Drehantrieb treibt indirekt oder direkt ein Ritzel an, das mit einer Zahnstange in Eingriff bringbar ist. Der Drehantrieb steht mit einem weiteren Ritzel in Eingriff, das in Eingriff mit der Zahnstange bringbar ist. Ein und derselbe Drehantrieb treiben direkt oder indirekt das Ritzel, das mit der Zahnstange in Eingriff bringbar ist, als auch das weitere Ritzel an. Beide Ritzel werden von ein und demselben Drehantrieb indirekt oder direkt angetrieben.According to claim 1, the drive of a carriage of an earth drilling device has a rotary drive. The rotary drive indirectly or directly drives a pinion that can be engaged with a rack. The rotary drive is in engagement with a further pinion, which can be brought into engagement with the toothed rack. One and the same rotary drive directly or indirectly drives the pinion, which can be engaged with the rack, and the other pinion. Both pinions are driven indirectly or directly by one and the same rotary drive.
Unter einer "Erdbohrvorrichtung" wird insbesondere jede Vorrichtung verstanden, welche ein Bohrgestängeschüsse aufweisendes Bohrgestänge in einem bestehenden oder zu erstellenden Kanal im Erdreich bewegt, um eine Bohrung, insbesondere eine Horizontalbohrung (HD), zu erstellen oder aufzuweiten oder um Leitungen oder andere lange Körper in das Erdreich einzuziehen. Bei der Erdbohrvorrichtung kann es sich insbesondere um eine HD-Vorrichtung handeln. Eine erfindungsgemäße "Erdbohrvorrichtung" umfasst eine ein Bohrgestänge antreibende Vorrichtung, die Erdreich verdrängend arbeitet, und das Bohrgestänge rotatorisch und/oder translatorisch in längsaxialer Richtung des Bohrgestänges in das Erdreich einbringt.An "earth drilling device" is understood to mean, in particular, any device which moves a drill rod containing drill rod sections in an existing or to be created channel in the ground in order to create or widen a bore, in particular a horizontal bore (HD), or to line or other long bodies in digging in the soil. The earth drilling device can in particular be an HD device. An "earth drilling device" according to the invention comprises a device that drives a drill rod, which works in a soil-displacing manner and introduces the drill rod in a rotary and/or translatory manner in the longitudinal axial direction of the drill rod into the ground.
Der Begriff "HD" (horizontal drilling, Horizontalbohrung) im Sinne der vorliegenden Erfindung umfasst insbesondere jede Art von bestehenden oder zu erstellenden, vorzugsweise horizontalen Kanälen in einem Körper, insbesondere Erdkanäle einschließlich Erdbohrungen, Felsbohrungen oder Erdleitungen sowie unterirdische oder oberirdische Rohrleitungen und Wasserkanäle, die sich durch Einsatz einer entsprechenden Erdbohrvorrichtung herstellen oder einziehen lassen.The term "HD" (horizontal drilling, horizontal drilling) in the sense of the present invention includes in particular any type of existing or to be created, preferably horizontal channels in a body, in particular earth channels including earth drilling, rock drilling or earth lines as well as underground or above-ground pipelines and water channels, the can be produced or drawn in by using an appropriate earth boring device.
Der in den Patentansprüche oder in der Beschreibung verwendete Begriff "mindestens ein" ebenso wie der in den Patentansprüchen oder in der Beschreibung verwendete unbestimmte Artikel "ein" - auch in entsprechenden grammatikalischen Ausprägungen in Bezug auf Genus und Deklination - umfasst im Hinblick auf das in Bezug genommene nachfolgende Nomen genau eines oder mehrere, d.h. zwei, drei, vier usw., der durch das Nomen bezeichneten Elemente.The term "at least one" used in the patent claims or in the description as well as the indefinite article "ein" used in the patent claims or in the description - also in the corresponding grammatical expressions in relation to gender and declension - includes with regard to the in relation following nouns taken exactly one or more, i.e. two, three, four etc., of the elements denoted by the noun.
Der Begriff "Schlitten" erfasst erfindungsgemäß einen Körper mit einer Aufnahme für einen Bohrgestängeschuss, wobei mittels der Aufnahme der Bohrgestängeschuss translatorisch und/oder drehend angetrieben werden kann. Insbesondere kann der Schlitten im Rahmen für eine translatorische Bewegung entlang einer Bahn geführt sein. Der Schlitten kann auf einer mit dem Rahmen verbundenen Auflage mit Aufstandselementen aufliegen. Die Auflage kann profiliert sein und die Aufstandselemente können als Rollen ausgebildet sein. Es sind als Aufstandselemente auch Kufen möglich. Der Schlitten kann an dem Rahmen hängend und/oder aufliegend geführt sein. Der Schlitten kann damit ein Maschinenelement sein, das entlang einer Bahn, insbesondere rein translatorisch, im Rahmen bewegt werden kann.According to the invention, the term “carriage” covers a body with a receptacle for a section of drill rods, it being possible for the section of drill rods to be driven in translation and/or rotation by means of the receptacle. In particular, the carriage can be guided in the frame for a translatory movement along a track. The carriage can rest on a support connected to the frame with support elements. The support can be profiled and the uprising elements can be designed as rollers. Skids are also possible as rebellion elements. The carriage can be guided hanging and/or resting on the frame. The carriage can thus be a machine element that can be moved in the frame along a path, in particular purely translationally.
Der Begriff "Rahmen" umfasst erfindungsgemäß ein kastenförmiges bzw. quaderförmiges Gebilde, dessen Seitenwände und/oder Verstrebungen bzw. Stäbe Druck, Zug und auch Biegungen übertragen können. Der erfindungsgemäße Rahmen hat vorzugsweise einen viereckigen Aufriss und kann in einer Grube zur Erstellung der Erdbohrung angeordnet werden. Der Rahmen kann aber auch ein Rahmen sein, der oberirdisch, d.h. oberhalb des Erdreichs, angeordnet werden kann. Vorzugsweise sind Antriebseinheit und Schlitten in dem Rahmen angeordnet. Um die Vorrichtung in der Baugrube zu fixieren, kann der Rahmen mit horizontal ausfahrbaren Spannstützen versehen sein, über welche die Rückstoßkräfte in das Erdreich eingeleitet werden können.According to the invention, the term “frame” includes a box-shaped or cuboid structure whose side walls and/or struts or rods can transmit pressure, tension and also bending. The frame according to the invention preferably has a square elevation and can be arranged in a pit for creating the earth bore. However, the frame can also be a frame that is above ground, ie above the ground, can be arranged. The drive unit and carriage are preferably arranged in the frame. In order to fix the device in the excavation, the frame can be provided with horizontally extendable tensioning supports, via which the recoil forces can be introduced into the ground.
Das mit der Zahnstange in Eingriff stehende Ritzel kann direkt auf der Welle des Drehantriebs angeordnet sein, so dass das mit der Zahnstange in Eingriff stehende Ritzel direkt vom Drehantrieb angetrieben wird. Das weitere Ritzel, das mit der Zahnstange kämmt, kann indirekt - nämlich durch ein drittes Ritzel, welches zwischen den beiden Ritzeln zwischengeschaltet ist und mit den beiden Ritzeln, die mit der Zahnstange in Eingriff stehen, kämmt - angetrieben werden. Der Drehantrieb kann auch ein nicht mit der Zahnstange in Eingriff stehendes Ritzel direkt antreiben, indem das Ritzel direkt auf der Welle des Drehantriebs angeordnet ist. Die mit der Zahnstange in Eingriff stehenden Ritzel kämmen ihrerseits jeweils mit dem auf der Welle aufsitzenden Ritzel des Drehantriebs.The pinion meshing with the rack can be arranged directly on the shaft of the rotary drive, so that the pinion meshing with the rack is driven directly by the rotary drive. The other pinion, which meshes with the rack, can be driven indirectly - namely by a third pinion which is interposed between the two pinions and meshes with the two pinions which are in engagement with the rack. The rotary drive can also directly drive a pinion that is not in engagement with the toothed rack, in that the pinion is arranged directly on the shaft of the rotary drive. The pinions which are in engagement with the toothed rack in turn mesh with the pinion of the rotary drive which is seated on the shaft.
In einer bevorzugten Ausführungsform weist der Drehantrieb ein mit den beiden Ritzeln in Eingriff stehendes Antriebsritzel auf, so dass die beiden Ritzel mit ein und demselben Antriebsritzel kämmen und eine Zwangsführung der beiden Ritzel mittels des einen Antriebsritzels möglich ist. Wie zuvor beschrieben, kann der Drehantrieb auch direkt mit einem der Ritzel, die mit der Zahnstange in Eingriff stehen, direkt verbunden sein, indem ein mit der Zahnstange in Eingriff stehendes Ritzel auf der Welle des Drehantriebs aufgesteckt ist und damit direkt vom Drehantrieb angetrieben wird.In a preferred embodiment, the rotary drive has a drive pinion that meshes with the two pinions, so that the two pinions mesh with one and the same drive pinion and forced guidance of the two pinions by means of one drive pinion is possible. As described above, the rotary drive can also be connected directly to one of the pinions that mesh with the rack, in that a pinion that meshes with the rack is placed on the shaft of the rotary drive and is thus driven directly by the rotary drive.
Vorzugsweise ist der Drehantrieb und die beiden Ritzel an einem flächenförmigen Gebilde gelagert, welches Bestandteil des Schlittens sein kann. Das flächenförmige Gebilde kann beispielsweise eine Trägerfläche des Schlittens sein.The rotary drive and the two pinions are preferably mounted on a flat structure which can be part of the carriage. The flat structure can be, for example, a carrier surface of the carriage.
In einer bevorzugten Ausführungsform laufen die beiden Ritzel gleichsinnig um. Die beiden Ritzel können damit gleichzeitig in gleicher Bewegungsrichtung an der Zahnstange abrollen und den Schlitten so in Bewegung versetzen.In a preferred embodiment, the two pinions rotate in the same direction. The two pinions can thus simultaneously roll in the same direction of movement on the toothed rack and thus set the carriage in motion.
In einer bevorzugten Ausführungsform sind die beiden Ritzel schräg verzahnt ausgebildet, wodurch sich bei schräg verzahnten Zahnradpaaren zwischen dem Antriebsritzel des Drehantriebs und dem mit der Zahnstange in Eingriff stehenden Ritzel immer zwei oder mehr Zähne gleichzeitig in Kontakt befinden. Es können weniger harte Stöße beim Zahneingriff der schräg verzahnten Ritzel - wobei das Antriebsritzel des Drehantriebs ebenfalls eine Schrägverzahnung aufweisen kann - auftreten, welches zu geringeren Schwingungsanregungen führt. Die Zahnfluss- und Grübchentragfähigkeit kann höher ausgebildet sein. Bei einer Schrägverzahnung kommt die Paarung zwischen schräg verzahntem Ritzel und Antriebsritzel des Drehantriebs nicht direkt auf seiner ganzen Breite in Berührung, sondern die belastete Zahnbreite steigt beim Weiterdrehen der betrachteten Räder langsam an, bis das Zahnpaar auf ganzer Breite trägt, und fällt beim Herausdrehen aus der Kontaktzone langsam wieder ab.In a preferred embodiment, the two pinions are designed with helical teeth, so that in the case of helical gearwheel pairs between the drive pinion of the rotary drive and the pinion in engagement with the rack, two or more teeth are always in contact at the same time. Less hard impacts can occur when the helically toothed pinions mesh with one another—the drive pinion of the rotary drive can also have helical teeth—which leads to fewer vibration excitations. Tooth flow and pit carrying capacity can be made higher. With helical gearing, the pairing occurs between the helical pinion and the drive pinion of the rotary drive does not come into direct contact over its entire width, but the loaded tooth width increases slowly as the wheels under consideration continue to rotate until the tooth pair carries load over the entire width, and slowly decreases again when turning out of the contact zone.
In einer bevorzugten Ausführungsform sind die beiden Ritzel symmetrisch zum Drehantrieb angeordnet. Die beiden Ritzel sind zu einem Antriebsritzel des Drehantriebs symmetrisch bezüglich einer Mittelachse durch das Antriebsritzel, welche senkrecht zur Längsachse der Zahnstange steht.In a preferred embodiment, the two pinions are arranged symmetrically to the rotary drive. The two pinions are symmetrical to a drive pinion of the rotary drive with respect to a central axis through the drive pinion, which is perpendicular to the longitudinal axis of the toothed rack.
In einer bevorzugten Ausführungsform weist der Drehantrieb einen Hydraulikmotor auf, so dass eine kostengünstige zentrale Antriebseinheit geschaffen werden kann.In a preferred embodiment, the rotary drive has a hydraulic motor, so that a cost-effective central drive unit can be created.
Vorzugsweise umfasst der Drehantrieb ein Planetengetriebe, welches ein kompakt bauendes Getriebe ist, bei dem Antriebs- und Abtriebswelle zueinander fluchten.Preferably, the rotary drive comprises a planetary gear, which is a compact gear in which the input and output shafts are aligned with one another.
Die Erfindung schafft auch eine Erdbohrvorrichtung mit einem gemäß den vorherigen Ausführungen ausgestalteten Antrieb, wobei die Erdbohrvorrichtung einen Rahmen und eine an dem Rahmen befestigte Zahnstange aufweist. Der Antrieb verfährt zusammen mit dem Schlitten gegenüber der in Ruhe befindlichen Zahnstange am Rahmen.The invention also provides an earth drilling device with a drive configured in accordance with the previous statements, the earth drilling device having a frame and a toothed rack fastened to the frame. The drive moves together with the carriage in relation to the stationary rack on the frame.
Die Erfindung schafft ferner ein Verfahren zum Antreiben eines Schlittens einer Erdbohrvorrichtung mit einem Drehantrieb, wobei der Drehantrieb mit einem Ritzel in Eingriff steht, das in eine Zahnstange eingreift. Gemäß dem erfindungsgemäßen Verfahren wird mittels des Drehantriebs ein weiteres Ritzel angetrieben, das in Eingriff mit der Zahnstange steht und es wird eine Kraft auf die Zahnstange mittels des weiteren Ritzels ausgeübt.The invention also provides a method for driving a carriage of an earth drilling device with a rotary drive, the rotary drive being in engagement with a pinion which engages in a toothed rack. According to the method according to the invention, a further pinion is driven by means of the rotary drive, which is in engagement with the rack and a force is exerted on the rack by means of the further pinion.
Die vorstehenden Ausführungen stellen ebenso wie die nachfolgende Beschreibung beispielhafter Ausführungsformen keinen Verzicht auf bestimmte Ausführungsformen oder Merkmale dar.The above statements, like the following description of exemplary embodiments, do not represent a waiver of certain embodiments or features.
Die Erfindung wird nachfolgend anhand eines in den Zeichnungen dargestellten Ausführungsbeispiels näher erläutert.The invention is explained in more detail below with reference to an exemplary embodiment illustrated in the drawings.
In den Zeichnungen zeigt:
- Fig. 1
- in einer schematischen isometrischen Darstellung schräg von oben einen Antrieb für einen Schlitten einer Erdbohrvorrichtung mit einer Zahnstange;
- Fig. 2
- die Darstellung der
Fig. 1 in einer isometrischen Darstellung schräg von unten.
- 1
- in a schematic isometric view obliquely from above, a drive for a carriage of a Erdbohrvorrichtung with a rack;
- 2
- the representation of
1 in an isometric representation diagonally from below.
Die beiden Ritzel 3, 4 stehen damit in Eingriff mit der Zahnstange 5 und der Drehantrieb 1 kann durch Drehung der Ritzel 3 und 4 relativ zur Zahnstange 5 translatorisch in Erstreckung der Zahnstange 5 entlang dieser bewegt werden. Die Ritzel 3 und 4 stehen in Eingriff mit einem Antriebsritzel 2 des Drehantriebs 1.The two
Die beiden Ritzel 3 und 4 sind an einem flächenförmigen Gebilde 6 gelagert. Die beiden Ritzel 3 und 4 laufen gleichsinnig um und weisen gleiche Abmessungen auf. Die beiden Ritzel 3 und 4 sowie das Antriebsritzel 2 weisen eine Schrägverzahnung auf.The two
Die beiden Ritzel 3 und 4 sind symmetrisch zum Antriebsritzel 2 an der Zahnstange 5 angeordnet. In der in den
Die
Claims (9)
- Drive of a carriage of a ground drilling device having a rotary drive (1) and a pinion (3) driven by the rotary drive (1), which pinion can be brought into engagement with a rack (5), wherein the rotary drive (1) is in engagement with a further pinion (4), which can be brought into engagement with the rack (5), characterized in that the rotary drive (1) as precisely one drive motor has a drive pinion (2) in engagement with the two pinions (3, 4) and the drive axis of the drive pinion (2) lies outside the plane spanned by the two axes of the two pinions (3, 4).
- Drive according to Claim 1, characterized in that the rotary drive (1) and the two pinions (3, 4) are mounted on a planar-shaped structure (6).
- Drive according to Claim 1 or 2, characterized in that the two pinions (3, 4) rotate in the same direction.
- Drive according to one of Claims 1 to 3, characterized in that the two pinions (3, 4) have helical toothing.
- Drive according to one of Claims 1 to 4, characterized in that the two pinions (3, 4) are arranged symmetrically to the rotary drive (1).
- Drive according to one of Claims 1 to 5, characterized in that the rotary drive (1) has a hydraulic motor.
- Drive according to one of Claims 1 to 6, characterized in that the rotary drive (1) comprises a planetary gear.
- Ground drilling device having a drive according to one of Claims 1 to 7 and a frame, on which the rack (5) is fixedly connected and the drive is designed for the movement of a carriage in the frame.
- Method for driving a carriage of a ground drilling device having a rotary drive (1), wherein the rotary drive (1) is in engagement with a pinion (3) which engages with a rack (5), and the method comprises the steps: driving a further pinion (4) with a rotary drive (1) as single drive motor, wherein the further pinion (4) is in engagement with the rack (5) by means of the rotary drive (1) which has a rotary axis which lies outside the plane spanned by the two pinions (3, 4), and exertion of a force on the rack (5) with the further pinion (4).
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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DE102014018100.6A DE102014018100B3 (en) | 2014-12-05 | 2014-12-05 | "Drilling an earth boring device, earth boring device and method for driving an earth boring device" |
Publications (4)
Publication Number | Publication Date |
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EP3029259A2 EP3029259A2 (en) | 2016-06-08 |
EP3029259A9 EP3029259A9 (en) | 2016-08-10 |
EP3029259A3 EP3029259A3 (en) | 2016-08-17 |
EP3029259B1 true EP3029259B1 (en) | 2023-02-15 |
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EP15003399.1A Active EP3029259B1 (en) | 2014-12-05 | 2015-11-30 | Device for driving a drilling machine |
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US (1) | US10053931B2 (en) |
EP (1) | EP3029259B1 (en) |
DE (1) | DE102014018100B3 (en) |
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CN107386976B (en) * | 2017-08-23 | 2023-08-11 | 中国科学院广州地球化学研究所 | Portable hydraulic drive underwater drilling machine |
DE102019001200B4 (en) | 2019-02-20 | 2023-07-06 | TRACTO-TECHNlK GmbH & Co. KG | Earth drilling device and use of an earth drilling device |
Family Cites Families (9)
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GB2130682B (en) * | 1982-11-19 | 1986-03-19 | Wickham & Co Limited D | Improvements in gear mechanisms |
DE19715190C1 (en) * | 1997-04-11 | 1998-10-22 | Hek Mfg Bv | Aerial work platform |
DE19725628C1 (en) * | 1997-06-17 | 1999-03-04 | Tracto Technik | Drilling device |
GB0615260D0 (en) * | 2006-08-01 | 2006-09-06 | Claxton Engineering Services L | Sphere launcher |
US8109179B2 (en) * | 2008-02-12 | 2012-02-07 | Allan Stewart Richardson | Power tong |
NO327902B1 (en) * | 2008-02-13 | 2009-10-19 | Seabed Rig As | Device by electromechanical lift machine especially for use in drilling of oil and gas wells |
DE102009054183A1 (en) * | 2009-05-12 | 2010-11-18 | Prime Drilling Gmbh | Pulling and pushing device |
US8671626B1 (en) * | 2011-07-11 | 2014-03-18 | Astec Industries, Inc. | Apparatus and method for a drilling rig assembly |
US9790751B2 (en) * | 2012-05-14 | 2017-10-17 | Nabors Drilling International Limited | Drilling rig employing top drive |
-
2014
- 2014-12-05 DE DE102014018100.6A patent/DE102014018100B3/en active Active
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2015
- 2015-11-30 EP EP15003399.1A patent/EP3029259B1/en active Active
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EP3029259A2 (en) | 2016-06-08 |
US10053931B2 (en) | 2018-08-21 |
EP3029259A3 (en) | 2016-08-17 |
EP3029259A9 (en) | 2016-08-10 |
DE102014018100B3 (en) | 2016-05-04 |
US20160160585A1 (en) | 2016-06-09 |
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