EP3705683B1 - Horizontal drilling system - Google Patents

Horizontal drilling system Download PDF

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Publication number
EP3705683B1
EP3705683B1 EP20161566.3A EP20161566A EP3705683B1 EP 3705683 B1 EP3705683 B1 EP 3705683B1 EP 20161566 A EP20161566 A EP 20161566A EP 3705683 B1 EP3705683 B1 EP 3705683B1
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EP
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Prior art keywords
drill
slide
holding frame
electric motor
chassis
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EP20161566.3A
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German (de)
French (fr)
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EP3705683A1 (en
Inventor
Wilfried Dekena
Marvin Dekena
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Dekena Marvin
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Individual
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Priority to PL20161566T priority Critical patent/PL3705683T3/en
Priority to HRP20211829TT priority patent/HRP20211829T1/en
Publication of EP3705683A1 publication Critical patent/EP3705683A1/en
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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
    • 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 device for performing horizontal bores by means of a drill, wherein it has at least one drive for advancing the drill and at least one drive for angular alignment of the drill.
  • Horizontal drilling is carried out to overcome obstacles in the area. These obstacles are, for example, roads or railway lines. If a cable or piping is to be passed under such obstacles, it is easier and less costly to carry out a horizontal borehole than to interrupt the road or rail and dig trenches. Horizontal rigs or horizontal drilling rigs can be used as drills.
  • a drill is driven by a machine; the drill can be gradually assembled from several drill sections. Hydraulic, mechanical or also electrically hydraulic components are available as machine drives.
  • drills with a smaller diameter of, for example, five centimeters for thinner cables or even thinner pipes.
  • Such a drill can be provided at its free end with an inclined surface, so that by an angular alignment of the drill a Influencing its direction during propulsion is achievable. The free end of the drill can be pushed up, down or in other directions in the ground.
  • the introduction of the drill by hand is also used, for example, when the drill is designed as a hollow drill with water being supplied through the drill for flushing in front of the free end of the drill. This is also done manually, for example for cables from optical fibers.
  • the free end of the drill carries, for example, a plastic drill head that must be handled carefully and therefore manually.
  • EP0757155 A1 discloses an earth drilling device with a pivotable mount and an integrated electromotive hydraulic unit in the area of the mount.
  • the invention is based on the object of enabling efficient machine operation even for thinner drills or for free jet drills.
  • both drives are formed by electric motors, the electric motors being low-voltage motors and at least one accumulator being provided as an electrical energy source for the electric motors.
  • the manual driving of a drill is replaced by driving with an electric motor.
  • the electric motor is a low-voltage motor, so that it can apply approximately the forces of manual operation and thus with the same caution as with manual operation a drill can also be driven into the ground with a plastic drill head.
  • An electric motor is also provided for an angular position of the drill.
  • both electric motors are supplied with electrical energy via one or more batteries.
  • the device according to the invention is thus self-sufficient with respect to mains voltages or Hydraulic or pneumatic generators, so that their use in different locations is possible without great effort.
  • the electric motor for driving the drill is in a force-transmitting operative connection with a slide that can be moved in a translatory manner, with a fixing means for the drill being arranged on the slide.
  • the drill bit to be driven into the ground is to be driven bit by bit into the ground.
  • This can be done with the movable carriage, which is brought into position with the drill in a position further away from the ground and then the carriage is moved towards the ground.
  • the drill is taken along and driven a little way into the ground.
  • a similar procedure is possible with the movable slide when the drill is assembled from individual drill sections. After moving the drill with the slide, the new drilling section is then first connected to the drilling sections that have already been laid.
  • the force-transmitting operative connection between the electric motor and the slide is preferably implemented via a gear unit.
  • the force generated by the electric motor can be properly converted to the necessary requirements of the slide.
  • a counterweight is preferably provided to regulate the power transmission.
  • connection between the carriage and the electric motor and gear is preferably made via a string-shaped traction device.
  • This strand-like traction means can be a revolving conveyor belt, which is connected to the slide in its upper run and is covered with a corresponding counterweight in its lower run.
  • the slide is arranged in a holding frame.
  • This holding frame carries the slide, it also carries the string-shaped traction means as well as the electric motor and the gearbox. Moving components can be shielded with the holding frame so that there is no risk of injury.
  • the electric motor for angular alignment of the drill is arranged on the slide.
  • This second electric motor has access to the drill on the slide and can therefore implement an angular adjustment of the drill.
  • the direction of the drill can be determined, with a straight advance of the drill, the drill can be set in continuous rotation.
  • a next development of the invention relates to the holding frame, which preferably has a chassis.
  • the holding frame and thus the device according to the invention can be moved to different application locations.
  • the holding frame in the chassis can be pivoted about a horizontal axis transversely to the direction of travel of the chassis, the holding frame being supported on the chassis via a length-adjustable support beam.
  • the holding frame can be set at an angle to the ground via this pivotability.
  • the chassis stands on the floor, it forms the abutment for the support frame.
  • the holding frame is supported on the chassis with the aid of the support beam, and the length of this support can be changed. Changes in length are converted into changes in the angle of the holding frame to the ground. Low-voltage linear operation is also provided for the adjustable-length support beam.
  • a storage space for these drill sections can be formed in the holding frame. This storage space extends parallel to the string-shaped traction means and thus parallel to the travel path of the slide.
  • the device in Figure 1 has a holding frame 1 for receiving further components and a chassis 2.
  • the holding frame 1 is arranged pivotably on the chassis 2 via the carrier 3; a further connection between the holding frame 1 and the chassis 2 is formed by a support carrier 4 of variable length. With the help of the support beam 4 and the pivotable articulation, the holding frame 1 can be adjusted in an angle-adjustable manner with respect to the ground, not shown further.
  • the holding frame 1 carries a string-shaped traction means 5 on which a slide 6 is arranged in the upper run and a counterweight 7 is arranged in the lower run.
  • the drill or a drilling section can be attached to the free end 10 of the shaft piece 9. With the shaft piece 9, a rotational movement can then be transmitted to the drill. This can, for example, be set at various angles during a drive or also be set in a continuous rotation.
  • Figure 2 and 3 show this free end 10 of the shaft piece 9 with an attached drill section 11.
  • Figure 1 shows the carriage 6 in a lower position. This position is reached when a drill section connected to the shaft piece 9, for example, has been driven as far as possible into the ground.
  • the slide 6 with the electric motor 12 at the upper end of the holding frame 1 was brought into this lower position .
  • An accumulator 14 for the motors 8, 12 as well as for the support beam 4 is housed in a housing and also arranged on the holding frame 1. This also carries a control console 15 in which an accumulator 16 is also contained.
  • the holding frame 1 also carries a pivotable lever 17. With this, the already laid drill can be held when a new drilling section 11 is attached to the already laid drill.
  • Figure 2 shows that there is a magazine storage space for drilling sections 11 'on the holding frame 1.
  • the carriage 6 is located under a cover 18 at the upper end of the angled holding frame 1.
  • the string-shaped traction means 5 is recognizable as a chain.
  • FIG 2 shows a hint of the drill 19 already running into the ground.
  • the drill section 11 is screwed to this already laid drill 19 with the help of the electric motor 8, then driven forward by the length of the drill section 11 with the help of the electric motor 12 and the traction means 5, before a next one Drilling section 11 is attached to the drill 19.
  • Both electric motors 8, 12 are low-voltage electric motors operated by accumulators, which apply forces to the drilling sections 11 and the drill 19 with little torque.
  • FIG 3 the chain-shaped traction means 5 can be seen.
  • the control center 15 is assigned directly to the holding frame 1 so that the operator has a good view of the processes in progress.
  • the drilling section 11 to be attached as well as the drill 19 are shown again. Further drilling sections 11 'are ready to hand.

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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)

Description

Die Erfindung betrifft eine Vorrichtung zum Ausführen von Horizontalbohrungen mittels eines Bohrers, wobei sie zumindest einen Antrieb für einen Vortrieb des Bohrers und zumindest einen Antrieb zur winkeligen Ausrichtung des Bohrers aufweist.The invention relates to a device for performing horizontal bores by means of a drill, wherein it has at least one drive for advancing the drill and at least one drive for angular alignment of the drill.

Horizontalbohrungen werden ausgeführt, um Hindernisse in der Fläche zu überwinden. Diese Hindernisse sind beispielsweise Straßen oder Eisenbahntrassen. Ist unter derartigen Hindernissen ein Kabel oder auch eine Verrohrung hindurchzuführen, ist das Ausführen einer Horizontalbohrung einfacher und mit weniger Kostenaufwand verbunden, als die Straße oder Schiene zu unterbrechen und Gräben anzulegen. Als Bohrer können dabei Horizontalrigs oder Horizontalbohrgeräte zum Einsatz kommen.Horizontal drilling is carried out to overcome obstacles in the area. These obstacles are, for example, roads or railway lines. If a cable or piping is to be passed under such obstacles, it is easier and less costly to carry out a horizontal borehole than to interrupt the road or rail and dig trenches. Horizontal rigs or horizontal drilling rigs can be used as drills.

Vorrichtungen der eingangs genannten Gattung sind für größere Durchmesser von Kabeln oder Rohren bekannt. Maschinell wird ein Bohrer vorgetrieben, der Bohrer kann dabei nach und nach aus mehreren Bohrabschnitten zusammengesetzt werden. Als maschinelle Antriebe stehen hydraulische, mechanische oder auch elektrisch hydraulische Komponenten zur Verfügung.Devices of the type mentioned are known for larger diameters of cables or pipes. A drill is driven by a machine; the drill can be gradually assembled from several drill sections. Hydraulic, mechanical or also electrically hydraulic components are available as machine drives.

Daneben gibt es Vorrichtungen zum Ausführen von Horizontalbohrungen, bei denen der Bohrer manuell in das Erdreich vorgetrieben wird. Hierbei handelt es sich um Bohrer mit geringerem Durchmesser von beispielsweise fünf Zentimetern für dünnere Kabel oder auch dünnere Rohrleitungen. Ein derartiger Bohrer kann an seinem freien Ende mit einer schrägen Fläche versehen sein, so dass durch eine winklige Ausrichtung des Bohrers eine Beeinflussung seiner Richtung beim Vortrieb erreichbar ist. So kann das freie Ende des Bohrers im Erdreich nach oben, nach unten oder zu anderen Richtungen gedrückt werden.There are also devices for performing horizontal bores, in which the drill is manually driven into the ground. These are drills with a smaller diameter of, for example, five centimeters for thinner cables or even thinner pipes. Such a drill can be provided at its free end with an inclined surface, so that by an angular alignment of the drill a Influencing its direction during propulsion is achievable. The free end of the drill can be pushed up, down or in other directions in the ground.

Das Einbringen des Bohrers mit Hand wird beispielsweise auch bei einer Ausführung des Bohrers als Hohlbohrer unter Zuführung von Wasser durch den Bohrer hindurch zum Freispülen vor dem freien Ende des Bohrers eingesetzt. Auch hier wird händisch vorangetrieben, beispielsweise für Kabel von Lichtwellenleitern. Das freie Ende des Bohrers trägt dabei beispielsweise einen Kunststoffbohrkopf, der entsprechend vorsichtig und somit manuell zu handhaben ist.The introduction of the drill by hand is also used, for example, when the drill is designed as a hollow drill with water being supplied through the drill for flushing in front of the free end of the drill. This is also done manually, for example for cables from optical fibers. The free end of the drill carries, for example, a plastic drill head that must be handled carefully and therefore manually.

EP0757155 A1 offenbart ein Erdbohrgerät mit einer verschwenkbaren Lafette und einer integrierten elektromotorischen Hydraulikeinheit im Bereich der Lafette. EP0757155 A1 discloses an earth drilling device with a pivotable mount and an integrated electromotive hydraulic unit in the area of the mount.

Der Erfindung liegt die Aufgabe zugrunde, auch für dünnere Bohrer oder für Freistrahlbohrer einen rationellen maschinellen Betrieb zu ermöglichen.The invention is based on the object of enabling efficient machine operation even for thinner drills or for free jet drills.

Diese Aufgabe ist erfindungsgemäß dadurch gelöst, dass beide Antriebe durch Elektromotoren ausgebildet sind, wobei die Elektromotoren Niederspannungsmotoren sind und zumindest ein Akkumulator als elektrische Energiequelle für die Elektromotoren vorgesehen ist.According to the invention, this object is achieved in that both drives are formed by electric motors, the electric motors being low-voltage motors and at least one accumulator being provided as an electrical energy source for the electric motors.

Bei der erfindungsgemäßen Vorrichtung wird das manuelle Vortreiben eines Bohrers durch ein Vortreiben mit einem Elektromotor abgelöst. Der Elektromotor ist ein Niederspannungsmotor, so dass er ungefähr die Kräfte des händischen Betriebes aufbringen kann und somit mit der gleichen Vorsicht wie bei einem Handbetrieb ein Bohrer auch mit einem Kunststoffbohrkopf in das Erdreich eingetrieben werden kann. Auch für eine winkelige Anstellung des Bohrers ist ein Elektromotor vorgesehen.In the device according to the invention, the manual driving of a drill is replaced by driving with an electric motor. The electric motor is a low-voltage motor, so that it can apply approximately the forces of manual operation and thus with the same caution as with manual operation a drill can also be driven into the ground with a plastic drill head. An electric motor is also provided for an angular position of the drill.

Beide Elektromotoren werden erfindungsgemäß über einen oder auch über mehrere Akkumulatoren mit elektrischer Energie versorgt. Damit ist die erfindungsgemäße Vorrichtung autark gegenüber Netzspannungen oder Hydraulik- oder Pneumatikerzeugern, so dass ihr Einsatz an verschiedenen Orten ohne großen Aufwand möglich ist.According to the invention, both electric motors are supplied with electrical energy via one or more batteries. The device according to the invention is thus self-sufficient with respect to mains voltages or Hydraulic or pneumatic generators, so that their use in different locations is possible without great effort.

Nach einer ersten Weiterbildung der Erfindung ist vorgesehen, dass der Elektromotor für den Vortrieb des Bohrers mit einem translatorisch verfahrbaren Schlitten in kraftübertragender Wirkverbindung steht, wobei auf dem Schlitten ein Festlegemittel für den Bohrer angeordnet ist. Der in das Erdreich einzubringende Bohrer ist Stück für Stück in das Erdreich voranzutreiben. Das kann mit dem verfahrbaren Schlitten erfolgen, der in einer vom Erdreich entfernteren Position mit dem Bohrer in Festlegung gebracht wird und anschließend der Schlitten in Richtung Boden verfahren wird. Der Bohrer wird dabei mitgenommen und ein Stück weit in das Erdreich getrieben. Ein ähnliches Prozedere ist mit dem verfahrbaren Schlitten dann möglich, wenn der Bohrer aus einzelnen Bohrerabschnitten zusammengesetzt wird. Nach dem Verschieben des Bohrers mit dem Schlitten erfolgt dann jeweils zunächst ein Verbinden des neuen Bohrabschnittes mit den bereits verlegten Bohrabschnitten.According to a first development of the invention it is provided that the electric motor for driving the drill is in a force-transmitting operative connection with a slide that can be moved in a translatory manner, with a fixing means for the drill being arranged on the slide. The drill bit to be driven into the ground is to be driven bit by bit into the ground. This can be done with the movable carriage, which is brought into position with the drill in a position further away from the ground and then the carriage is moved towards the ground. The drill is taken along and driven a little way into the ground. A similar procedure is possible with the movable slide when the drill is assembled from individual drill sections. After moving the drill with the slide, the new drilling section is then first connected to the drilling sections that have already been laid.

Die kraftübertragende Wirkverbindung zwischen Elektromotor und Schlitten wird vorzugsweise über ein Getriebe ausgeführt. Hier kann eine sachgerechte Umsetzung der vom Elektromotor erzeugten Kraft auf die notwendigen Anforderungen des Schlittens vorgenommen werden. Zur Regulierung der Kraftübertragung ist vorzugsweise ein Gegengewicht vorgesehen.The force-transmitting operative connection between the electric motor and the slide is preferably implemented via a gear unit. Here, the force generated by the electric motor can be properly converted to the necessary requirements of the slide. A counterweight is preferably provided to regulate the power transmission.

Die Verbindung zwischen dem Schlitten und dem Elektromotor und Getriebe erfolgt vorzugsweise über ein strangförmiges Zugmittel. Dieses strangförmige Zugmittel kann ein umlaufendes Förderband sein, das in seinem Obertrum mit dem Schlitten verbunden ist und in seinem Untertrum mit einem entsprechenden Gegengewicht belegt ist.The connection between the carriage and the electric motor and gear is preferably made via a string-shaped traction device. This strand-like traction means can be a revolving conveyor belt, which is connected to the slide in its upper run and is covered with a corresponding counterweight in its lower run.

Nach einer weiteren konstruktiven Weiterbildung der Erfindung ist vorgesehen, dass der Schlitten in einem Haltegestell angeordnet ist. Dieses Haltegestell trägt den Schlitten, es trägt auch das strangförmige Zugmittel sowie den Elektromotor und das Getriebe. Mit dem Haltegestell können bewegte Bauteile abgeschirmt werden, so dass keine Verletzungsgefahr eintritt.According to a further structural development of the invention, it is provided that the slide is arranged in a holding frame. This holding frame carries the slide, it also carries the string-shaped traction means as well as the electric motor and the gearbox. Moving components can be shielded with the holding frame so that there is no risk of injury.

Nach einer nächsten Weiterbildung ist vorgesehen, dass auf dem Schlitten der Elektromotor zur winkeligen Ausrichtung des Bohrers angeordnet ist. Dieser zweite Elektromotor hat auf dem Schlitten Zugriff auf den Bohrer und kann daher eine winkelige Verstellung des Bohrers umsetzen. Dabei kann die Richtung des Bohrers bestimmt werden, bei einem geraden Vortrieb des Bohrers kann der Bohrer in eine fortlaufende Drehung versetzt werden.According to a further development, it is provided that the electric motor for angular alignment of the drill is arranged on the slide. This second electric motor has access to the drill on the slide and can therefore implement an angular adjustment of the drill. The direction of the drill can be determined, with a straight advance of the drill, the drill can be set in continuous rotation.

Eine nächste Weiterbildung der Erfindung betrifft das Haltegestell, dieses weist vorzugsweise ein Fahrgestell auf. Mit dem Fahrgestell kann das Haltegestell und somit die erfindungsgemäße Vorrichtung an voneinander verschiedene Anwendungsorte verfahren werden.A next development of the invention relates to the holding frame, which preferably has a chassis. With the chassis, the holding frame and thus the device according to the invention can be moved to different application locations.

Dabei kann insbesondere vorgesehen sein, dass das Haltegestell im Fahrgestell um eine horizontale Achse quer zur Fahrtrichtung des Fahrgestells schwenkbar ist, wobei das Haltegestell am Fahrgestell über einen längenveränderbaren Stützträger abgestützt ist. Das Haltegestell kann über diese Schwenkbarkeit winkelig zum Erdboden angestellt werden. Das Fahrgestell steht auf dem Boden auf, es bildet das Widerlager für das Haltegestell aus. Dabei ist das Haltegestell am Fahrgestell mit Hilfe des Stützträgers abgestützt, die Länge dieser Stütze kann verändert werden. Längenveränderungen werden dabei in Winkelveränderungen des Haltegestells zum Erdboden umgesetzt. Auch für den längenveränderbaren Stützträger ist ein niederspannungsgetriebener Linearbetrieb vorgesehen.In particular, it can be provided that the holding frame in the chassis can be pivoted about a horizontal axis transversely to the direction of travel of the chassis, the holding frame being supported on the chassis via a length-adjustable support beam. The holding frame can be set at an angle to the ground via this pivotability. The chassis stands on the floor, it forms the abutment for the support frame. The holding frame is supported on the chassis with the aid of the support beam, and the length of this support can be changed. Changes in length are converted into changes in the angle of the holding frame to the ground. Low-voltage linear operation is also provided for the adjustable-length support beam.

Wird für die erfindungsgemäße Vorrichtung ein Bohrer aus Bohrerabschnitten verwendet, dann kann im Haltegestell ein Lagerraum für diese Bohrabschnitte ausgebildet sein. Dieser Lagerraum erstreckt sich parallel zum strangförmigen Zugmittel und somit parallel zum Verfahrweg des Schlittens.If a drill made of drill sections is used for the device according to the invention, then a storage space for these drill sections can be formed in the holding frame. This storage space extends parallel to the string-shaped traction means and thus parallel to the travel path of the slide.

Ein Ausführungsbeispiel der Erfindung, aus dem sich weitere erfinderische Merkmale ergeben, ist in der Zeichnung dargestellt. Es zeigen:

Figur 1
eine Seitenansicht der erfindungsgemäßen Vorrichtung zum Ausführen von Horizontalbohrungen in schematischer Form;
Figur 2
eine perspektivische Ansicht der Vorrichtung gemäß Figur 1 und
Figur 3
eine weitere perspektivische Ansicht der Vorrichtung gemäß Figur 1.
An exemplary embodiment of the invention, from which further inventive features emerge, is shown in the drawing. Show it:
Figure 1
a side view of the device according to the invention for performing horizontal bores in schematic form;
Figure 2
a perspective view of the device according to Figure 1 and
Figure 3
a further perspective view of the device according to Figure 1 .

Die Vorrichtung in Figur 1 weist ein Haltegestell 1 zur Aufnahme weiterer Bauteile und ein Fahrgestell 2 auf. Das Haltegestell 1 ist über Träger 3 schwenkbar am Fahrgestell 2 angeordnet, eine weitere Verbindung zwischen Haltegestell 1 und Fahrgestell 2 ist durch einen längenveränderlichen Stützträger 4 ausgebildet. Mit Hilfe des Stützträgers 4 und der schwenkbaren Anlenkung ist das Haltegestell 1 gegenüber dem nicht weiter dargestellten Erdboden winkelveränderbar anstellbar.The device in Figure 1 has a holding frame 1 for receiving further components and a chassis 2. The holding frame 1 is arranged pivotably on the chassis 2 via the carrier 3; a further connection between the holding frame 1 and the chassis 2 is formed by a support carrier 4 of variable length. With the help of the support beam 4 and the pivotable articulation, the holding frame 1 can be adjusted in an angle-adjustable manner with respect to the ground, not shown further.

Das Haltegestell 1 trägt ein strangförmiges Zugmittel 5, an dem im Obertrum ein Schlitten 6 und im Untertrum ein Gegengewicht 7 angeordnet sind. Auf dem Schlitten 6 ist ein Elektromotor 8 angeordnet, der kraftschlüssig mit einem Wellenstück 9 verbunden ist. Mit dem Elektromotor 8 kann das Wellenstück 9 in eine Rotationsbewegung gesetzt werden. Am freien Ende 10 des Wellenstücks 9 ist der Bohrer oder ein Bohrabschnitt ansetzbar. Mit dem Wellenstück 9 kann dann eine Rotationsbewegung auf den Bohrer übertragen werden. Dieser kann während eines Vortriebs beispielsweise in verschiedenen Stellen winkelig angestellt werden oder auch in eine fortlaufende Drehung versetzt werden. Figur 2 und 3 zeigen dieses freie Ende 10 des Wellenstücks 9 mit einem angesetzten Bohrerabschnitt 11.The holding frame 1 carries a string-shaped traction means 5 on which a slide 6 is arranged in the upper run and a counterweight 7 is arranged in the lower run. An electric motor 8, which is non-positively connected to a shaft piece 9, is arranged on the slide 6. With the electric motor 8, the shaft piece 9 can be set in a rotational movement. The drill or a drilling section can be attached to the free end 10 of the shaft piece 9. With the shaft piece 9, a rotational movement can then be transmitted to the drill. This can, for example, be set at various angles during a drive or also be set in a continuous rotation. Figure 2 and 3 show this free end 10 of the shaft piece 9 with an attached drill section 11.

Figur 1 zeigt den Schlitten 6 in einer unteren Position. Diese Position ist erreicht, wenn ein mit dem Wellenstück 9 verbundener zum Beispiel Bohrerabschnitt maximal weit in das Erdreich vorgetrieben wurde. In diese untere Position gebracht wurde der Schlitten 6 mit dem Elektromotor 12 am oberen Ende des Haltegestells 1. Dieser Elektromotor 12 wirkt über ein Ketten-Getriebe 13 auf das Zugmittel 5, so dass der Schlitten 6 mit Hilfe des Zugmittels 5 im Haltegestell 1 verfahrbar ist. Ein Akkumulator 14 für die Motoren 8, 12 sowie für den Stützträger 4 ist in einem Gehäuse eingehaust gleichfalls am Haltegestell 1 angeordnet. Dieses trägt weiterhin noch eine Steuerkonsole 15, in der auch ein Akkumulator 16 enthalten ist. Figure 1 shows the carriage 6 in a lower position. This position is reached when a drill section connected to the shaft piece 9, for example, has been driven as far as possible into the ground. The slide 6 with the electric motor 12 at the upper end of the holding frame 1 was brought into this lower position . An accumulator 14 for the motors 8, 12 as well as for the support beam 4 is housed in a housing and also arranged on the holding frame 1. This also carries a control console 15 in which an accumulator 16 is also contained.

Das Haltegestell 1 trägt noch einen schwenkbaren Hebel 17. Mit diesem kann der bereits verlegte Bohrer festgehalten werden, wenn ein neuer Bohrabschnitt 11 an den bereits verlegten Bohrer angesetzt wird.The holding frame 1 also carries a pivotable lever 17. With this, the already laid drill can be held when a new drilling section 11 is attached to the already laid drill.

Figur 2 zeigt, dass für Bohrabschnitte 11' am Haltegestell 1 ein Magazinablageplatz gegeben ist. In Figur 2 befindet sich der Schlitten 6 unter einer Abdeckhaube 18 am oberen Ende des winkelig angestellten Haltegestells 1. Das strangförmige Zugmittel 5 ist erkennbar als Kette ausgebildet. Figure 2 shows that there is a magazine storage space for drilling sections 11 'on the holding frame 1. In Figure 2 the carriage 6 is located under a cover 18 at the upper end of the angled holding frame 1. The string-shaped traction means 5 is recognizable as a chain.

Figur 2 zeigt in Andeutung den bereits ins Erdreich verlaufenden Bohrer 19. An diesen bereits verlegten Bohrer 19 wird der Bohrabschnitt 11 mit Hilfe des Elektromotors 8 angeschraubt, anschließend mit Hilfe des Elektromotors 12 und dem Zugmittel 5 vorgetrieben um die Länge des Bohrabschnittes 11, bevor dann ein nächster Bohrabschnitt 11 an den Bohrer 19 angesetzt wird. Beide Elektromotoren 8, 12 sind mit Akkumulatoren betriebene Niederspannungs-Elektromotoren, die mit wenig Drehmoment Kräfte auf die Bohrabschnitte 11 bzw. den Bohrer 19 eintragen. Figure 2 shows a hint of the drill 19 already running into the ground. The drill section 11 is screwed to this already laid drill 19 with the help of the electric motor 8, then driven forward by the length of the drill section 11 with the help of the electric motor 12 and the traction means 5, before a next one Drilling section 11 is attached to the drill 19. Both electric motors 8, 12 are low-voltage electric motors operated by accumulators, which apply forces to the drilling sections 11 and the drill 19 with little torque.

In Figur 3 ist das kettenförmige Zugmittel 5 zu erkennen. Die Steuerzentrale 15 ist dem Haltegestell 1 direkt zugeordnet, so dass der Bediener einen guten Blick auf die ablaufenden Vorgänge hat. Der anzufügende Bohrabschnitt 11 sowie der Bohrer 19 sind wieder gezeigt. Weitere Bohrabschnitte 11' liegen griffbereit.In Figure 3 the chain-shaped traction means 5 can be seen. The control center 15 is assigned directly to the holding frame 1 so that the operator has a good view of the processes in progress. The drilling section 11 to be attached as well as the drill 19 are shown again. Further drilling sections 11 'are ready to hand.

Claims (11)

  1. A device for performing horizontal drilling by means of a drill, comprising at least one drive for advancing the drill and at least one drive for angular alignment of the drill,
    characterized in that
    both drives are formed by electric motors (8, 12), wherein the electric motors (8, 12) are low-voltage motors and at least one accumulator (14, 16) is provided as an electrical energy source for the electric motors (8, 12).
  2. The device according to claim 1, characterized in that the electric motor (12) for advancing the drill (19) is in force-transmitting operative connection with a translationally movable slide (6), wherein a fixing means for the drill (19) is arranged on the slide (6).
  3. The device according to claim 2, characterized in that the force-transmitting operative connection between electric motor (12) and slide (6) is implemented via a gear unit (13).
  4. The device according to claim 3, characterized in that the gear unit (13) and the slide (6) are connected to each other via a string-shaped traction means (5).
  5. The device according to any one of claims 2 to 4, characterized in that the slide (6) is arranged in a holding frame (1).
  6. The device according to any one of claims 2 to 5, characterized in that the electric motor (8) for angular alignment of the drill (19) is arranged on the slide (6).
  7. The device according to claim 6, characterized in that it has a chassis (2).
  8. The device according to claim 7, characterized in that the holding frame (1) in the chassis (2) is pivotable about a horizontal axis transverse to the direction of travel of the chassis (2), wherein the holding frame (1) is supported on the chassis (2) by means of a length-adjustable supporting beam (4).
  9. The device according to claim 8, characterized in that the length-adjustable support beam (4) is a low-voltage-driven linear drive.
  10. The device according to any one of the preceding claims, characterized in that a separate accumulator (14, 16) is provided as an electrical energy source for each electric motor (8, 12).
  11. The device according to any one of the preceding claims, characterized in that in the case that the drill (19) is formed from drill sections (11), a storage space for the drill sections (11) is provided in the holding frame (1).
EP20161566.3A 2019-03-08 2020-03-06 Horizontal drilling system Active EP3705683B1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
PL20161566T PL3705683T3 (en) 2019-03-08 2020-03-06 Horizontal drilling system
HRP20211829TT HRP20211829T1 (en) 2019-03-08 2020-03-06 Horizontal drilling system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE202019101322.2U DE202019101322U1 (en) 2019-03-08 2019-03-08 Horizontal drilling rig

Publications (2)

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EP3705683A1 EP3705683A1 (en) 2020-09-09
EP3705683B1 true EP3705683B1 (en) 2021-08-25

Family

ID=66179264

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EP20161566.3A Active EP3705683B1 (en) 2019-03-08 2020-03-06 Horizontal drilling system

Country Status (8)

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EP (1) EP3705683B1 (en)
DE (1) DE202019101322U1 (en)
ES (1) ES2898943T3 (en)
HR (1) HRP20211829T1 (en)
HU (1) HUE056546T2 (en)
LT (1) LT3705683T (en)
PL (1) PL3705683T3 (en)
PT (1) PT3705683T (en)

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Also Published As

Publication number Publication date
PT3705683T (en) 2021-11-29
DE202019101322U1 (en) 2019-04-01
HUE056546T2 (en) 2022-02-28
ES2898943T3 (en) 2022-03-09
EP3705683A1 (en) 2020-09-09
HRP20211829T1 (en) 2022-03-18
PL3705683T3 (en) 2022-03-14
LT3705683T (en) 2021-12-10

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