EP3287588A1 - Machine tool and method for machining a soil - Google Patents
Machine tool and method for machining a soil Download PDFInfo
- Publication number
- EP3287588A1 EP3287588A1 EP16185467.4A EP16185467A EP3287588A1 EP 3287588 A1 EP3287588 A1 EP 3287588A1 EP 16185467 A EP16185467 A EP 16185467A EP 3287588 A1 EP3287588 A1 EP 3287588A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- kelly
- locking
- detected
- bars
- torque
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000000034 method Methods 0.000 title claims abstract description 23
- 239000002689 soil Substances 0.000 title claims description 8
- 238000003754 machining Methods 0.000 title 1
- 238000001514 detection method Methods 0.000 claims abstract description 16
- 238000012545 processing Methods 0.000 claims abstract description 4
- 238000005553 drilling Methods 0.000 claims description 15
- 230000005540 biological transmission Effects 0.000 claims description 7
- 238000010276 construction Methods 0.000 claims description 3
- 239000000725 suspension Substances 0.000 claims description 3
- 238000003971 tillage Methods 0.000 description 5
- 238000011161 development Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 238000006073 displacement reaction Methods 0.000 description 3
- 238000013016 damping Methods 0.000 description 2
- 238000009412 basement excavation Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 238000012546 transfer Methods 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
- E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
- E21B17/02—Couplings; joints
- E21B17/04—Couplings; joints between rod or the like and bit or between rod and rod or the like
- E21B17/07—Telescoping joints for varying drill string lengths; Shock absorbers
-
- 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
- E21B19/16—Connecting or disconnecting pipe couplings or joints
- E21B19/165—Control or monitoring arrangements therefor
-
- 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
- E21B7/02—Drilling rigs characterised by means for land transport with their own drive, e.g. skid mounting or wheel mounting
- E21B7/027—Drills for drilling shallow holes, e.g. for taking soil samples or for drilling postholes
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D27/00—Foundations as substructures
- E02D27/10—Deep foundations
- E02D27/12—Pile foundations
-
- 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
- E21B7/021—With a rotary table, i.e. a fixed rotary drive for a relatively advancing tool
Definitions
- the invention relates to a work machine, in particular a construction machine, with a mast, along which a force rotary head is vertically displaceable by means of which a telescoping Kelly linkage is slidably guided with at least two Kelly bars, wherein a situatedkellystange, which is designed to rest on the power rotary head and a innenkellystange are provided which comprises a cable suspension for a cable through which the mecanickellystange is vertically movable by means of a main winch, Kelly rods on their outer and / or inner sides for torque transmission with axially extending entrainment and locking pockets on the entrainment and / or axial Bar elements are provided, which are retractable for axially locking the Kelly bars in the locking pockets or for unlocking from the locking pockets, according to the preamble of claim 1.
- the invention further relates to a method of processing a floor with a working machine, comprising a mast along which a power turret is vertically moved by means of which a telescopic Kelly linkage with at least two Kelly bars is moved and guided, wherein a towardskellystange, on the Turret rests, and a mecanickellystange are provided, which is suspended from a rope through which the mecanickellystange is moved vertically by means of a main winch, the Kelly rods on their outer and / or inner sides for torque transmission with axially extending entrainment and locking pockets on the entrainment and or axial locking elements are provided, which are retracted for axially locking the Kelly bars in the locking pockets or for unlocking be extended from the locking pockets, according to the preamble of claim 7.
- a Kelly linkage is a telescopic tool linkage which is constructed from a plurality of tubular rod elements and has at least one outer kelly rod and one inner kelly rod.
- the réellekellystange and thus the Kelly linkage as a whole is suspended on a rope, the Kelly linkage is guided by a Kelly guide and / or an annular rotary drive, also called power turret.
- About the Kelly linkage can be transmitted from the rotary drive torque to a soil working tool, in particular a drilling tool, which is attached to the lower end of réellekellystange.
- a corresponding Austeleskopieren the individual Kelly rod elements to each other and larger drilling depths can be achieved.
- the individual Kellystangen on its outer side and on its inside axially extending stop bars, which serve for torque transmission.
- locking pockets or locking elements are provided, by means of which the Kelly bar elements can be axially fixed to one another. In this way, axial pressure forces can be applied to the KellygestToole and thus the tillage tool on the drill drive.
- the effortlesslykellystange can be axially fixed to the drill drive.
- the drilling bucket in a discontinuous tillage, such as when creating a hole with a drilling bucket, the drilling bucket must be repeatedly retracted into the well and extended again.
- the kelly linkage is repeatedly telescoped in and out. After filling the drilling bucket with removed soil material, it must be pulled out of the drill hole for emptying. For this purpose, it is necessary to unlock the individual Kelly rod elements again and retract into each other. In this retracted position, the kelly linkage can be pulled out of the well along with the drilling bucket and swiveled to an emptying position. Subsequently, a retraction takes place for a further drilling step the drilling tool into the well with renewed Austeleskopieren the Kelly linkage.
- a method of monitoring a Kellybohrgestfites is from the DE 10 2012 019 850 A1 known.
- the invention has for its object to provide a working machine and a method for processing a soil, which allow a particularly efficient work with a Kelly linkage.
- the working machine according to the invention is characterized in that a control is provided, which is designed for automatically locking and / or unlocking the Kelly bar, that by means of a first detection means a rotation angle of at least one Kelly bar is detectable and / or by means of a second detection means a force, torque - or pressure change is detected in a drive system through which the actuator, the power rotary head and / or the main winch are driven, and that the controller is formed, depending on the detected rotation angle and / or the detected change in force, torque or pressure locking and / or unlocking the kelly bars.
- a basic idea of the invention is to provide a control which is designed for automatic locking and / or unlocking of the Kelly bars.
- a rotation angle can be detected with at least one Kelly bar.
- a locking element of a first Kelly bar can be applied with a certain slight pressure to the driving bar of a second opposing Kelly bar.
- the angle of rotation initially remains the same.
- the locking element comes to a locking pocket in this axial process, which represents an axial recess along the carrier strip, the locking element rotates into the locking pocket.
- This abrupt rotation angle change can be detected by the first detection device as an indication that a lock has occurred.
- the rotation angle change can be detected indirectly by appropriate angle encoders, such as incremental encoders, directly or via a force, torque or pressure change in the drive system of the rotary drive as a short-term load drop.
- the drive system may be designed as an electrical or preferably a hydraulic drive system.
- a force, torque or pressure change in the drive system through which the adjusting device, the power rotary head and / or the main winch are driven Upon engagement of a locking element in a locking pocket two adjacent Kelly bars are locked together. A simple axial movement of the locking element is now no longer possible, which can be determined in a corresponding increase in power in the drive system of the axial drive unit.
- the axial displacement of the two Kelly bars axially to each other can be done via the adjusting device, the power rotary head and / or the main winch.
- the approximately pressure in the respective hydraulic system or in the entire system can be monitored and thus a possible increase in pressure can be detected. The same applies in the reverse manner when unlocking.
- the controller can thus reliably detect a locking and / or unlocking of the Kelly bar.
- the Kellygestfite consists of only two Kelly bars, namely a tubularwithkellystange and slidably disposed therein mecanickellystange.
- the Kelly linkage has one or more Eisenkellystangen, which are arranged between the technicallykellystange and mecanickellystange.
- Kelly linkages with three or four kelly bars are particularly preferred.
- the working machine according to the invention can be used with the Kelly linkage for a wide variety of activities. It is particularly expedient according to a development of the invention that at the lower end of mecanickellystange a drilling tool, in particular a drilling bucket or a auger, is releasably attached.
- a drilling tool in particular a drilling bucket or a auger
- Such drilling tools can be used for discontinuous drilling, in which a Kellygestnature must be repeatedly extended and retracted.
- a further preferred embodiment of the invention is that at least one input device is provided, with which a type and / or size of the Kelly linkage, a position of the adjusting device for the power turret, a position of the rope and / or a type and / or size of the power rotary head can be entered.
- An input can be made in the simplest case via an input terminal.
- the positions can be detected automatically by means of sensors.
- the first detection device for detecting a rotation angle has a rotary encoder.
- the rotary encoder is preferably integrated in the power rotary head.
- any other sensor arrangements may be provided which are suitable for direct or indirect detection of the angle of rotation.
- a further expedient variant of the invention consists in that the second detection device for detecting a pressure increase comprises a pressure sensor.
- the pressure sensor may preferably be provided in a pressure line in the respective hydraulic system.
- the pressure sensor is close to the component whose pressure is to be monitored to control locking.
- the method according to the invention is characterized in that the Kelly bars are automatically locked or unlocked by means of a control, that a rotation angle of at least one Kelly bar is detected by means of a first detection device and / or a force, torque or pressure change in a drive system is detected by a second detection device is, by which the adjusting device, the power rotary head and / or the main winch are driven, and that is determined by the controller depending on the detected rotation angle and / or the detected force, torque or pressure change locking and / or unlocking the Kelly bars.
- the inventive method can be carried out in particular with a working machine, as has been previously described. It can be achieved according to the advantages described above.
- An advantageous variant of the method of the invention is that for locking and / or unlocking a tillage tool on the Kellygestfite on the ground, in particular a borehole bottom, is placed. This is the tillage tool and thus firmly connected Congresskellystange in a defined position.
- the Jardinkellystange or a Swisskellystange according to the invention can be moved relative to the réellekellystange until the desired locking or unlocking is given.
- the method according to the invention can be used in any application in which a tool with a kelly linkage is required.
- the borehole is filled to form a foundation element.
- the foundation element can be filled in a simple case by a pourable material, such as sand or gravel. It is preferred that the foundation element takes place by filling with a hardenable mass, in particular a concrete material.
- a first torque is applied to lock a Kelly bar to it, wherein a locking element is applied to a driver bar of the opposite Kelly bar with a slight pressure, and that the two Kelly bars are moved axially relative to each other, until the locking element rotates in the circumferential direction in a locking pocket and / or axially abuts.
- the relative pressing between locking element and carrier strip is carried out with a first, slight pressure, which is determined by the controller. The pressure is adjusted so that the two Kelly rods with relatively low frictional forces can still be moved axially relative to each other.
- the locking element rotates in the locking pocket in the circumferential direction.
- This locking can be determined both by a rotation angle change between the two opposing Kelly bars and by a pressure change in the axial drive unit.
- the controller is then automatically adjusted to an axial displacement of the two Kelly bars to each other.
- another axial process may be performed if further locking to another Kelly bar is desired.
- a further variant of the method according to the invention is that the Kelly bar is moved axially relative to the locking element over a predetermined distance.
- the given distance can be several tens of centimeters up to several meters. If no lock is detected during the passage of this predetermined distance, the movable Kelly rod can be reset by the controller back to the starting point, in which case again takes an axial process over the specified distance. This process can be repeated one or more times. If there is still no locking, an error message can be displayed or prompting the operator to lock in a conventional manner.
- the work machine 10 each has a substantially vertical mast 12, which in each case via a only in Fig. 1 illustrated mast head 14 has.
- a cable 52 which is driven by a main winch 50 and guided over guide rollers 16 on the mast head 14, a kelly linkage 40 is suspended vertically displaceable along the mast 12.
- the Kelly linkage 40 is according to the two embodiments of the FIGS. 1 and 2 each formed with an overhead somehowkellystange 42, a lower mecanickellystange 46 and an intermediate Eisenkellystange 44 arranged therebetween.
- a cable suspension 48 is provided, on which the cable 52 is formed for vertical displacement of mecanickellystange 46 and also the other tubular Kelly rod elements.
- the The The initiallykellystange 42 has at its upper end a support collar 43, with which the Jardinkellystange 43 rests on a power rotary head 30, so an annular rotary drive.
- a damping device 32 is arranged with springs.
- the power turret 30 and Thus, the Jardinkellystange 42 can be moved via an adjusting device 20 vertically along the mast 12.
- the actuator 20 is in the embodiment according to FIG. 1 designed as a hydraulic cylinder.
- To transfer the torque from the power rotary head 30 on the Jardinkellystange 42 and thus the Kelly linkage 40 total are arranged on the summarizekellystange 42 on its outer side driver strips 66, as from FIG. 2 can be seen.
- corresponding entrainment bars 66 or locking elements are also arranged on the further outer sides and inner sides of the further Kelly bar elements.
- a pin-shaped connecting element 49 is provided on an underside of réellekellystange 46 with which rotatably a soil working tool 36 can be attached.
- the tillage tool 36 is in the embodiments according to the FIGS. 1 and 2 designed as a drill screw.
- a simplified Kelly linkage 40 is shown with a situatedkellystange 42 and mecanickellystange 46.
- the Jardinkellystange 42 on its inner side at least one locking element 62, which rests in the circumferential direction on an axially extending driver bar 66 on the outside of réellekellystange 46.
- the locking element 62 is pressed against the Jardinkellystange 42 slightly to the drive bar 66.
- the Jardinkellystange 42 and réellekellystange 46 are moved axially either by the adjusting device 20 or the main winch 50 to each other.
- the Jardinkellystange 42 rotates with the locking element 62 upon reaching a locking pocket 68, which is formed as an axial recess in the carrier strip 66 in the illustrated embodiment in the circumferential direction counterclockwise in the locking pocket 68 a.
- a rotation between the technicallykellystange 42 and réellekellystange 46 sets, which via a first detection device, in particular a sensor device, as an indication of a lock is detected.
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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)
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Abstract
Die Erfindung betrifft eine Arbeitsmaschine und ein Verfahren zum Bearbeiten eines Bodens mit der Arbeitsmaschine, mit einem Mast, entlang welchem mittels einer Stelleinrichtung ein Kraftdrehkopf vertikal verfahren wird, durch welchen ein teleskopierbares Kellygestänge mit mindestens zwei Kellystangen verschoben und geführt wird. Gemäß der Erfindung werden mittels einer Steuerung die Kellystangen automatisch verriegelt oder entriegelt, wobei mittels einer ersten Erfassungseinrichtung ein Drehwinkel mindestens einer Kellystange erfasst wird und/oder mittels einer zweiten Erfassungseinrichtung eine Kraft-, Drehmoment- oder Druckänderung in einem hydraulischen System erfasst wird. Durch die Steuerung wird abhängig von dem erfassten Drehwinkel und/oder der erfassten Änderung ein Verriegeln und/oder Entriegeln der Kellystangen ermittelt.The invention relates to a working machine and a method for processing a floor with the working machine, with a mast, along which by means of an adjusting device a power turret is moved vertically, through which a telescopic Kelly linkage is moved and guided with at least two Kelly bars. According to the invention, the kelly bars are automatically locked or unlocked by means of a controller, wherein a rotation angle of at least one kelly bar is detected by means of a first detection device and / or a force, torque or pressure change in a hydraulic system is detected by a second detection device. The controller determines a locking and / or unlocking of the Kelly bars depending on the detected angle of rotation and / or the detected change.
Description
Die Erfindung betrifft eine Arbeitsmaschine, insbesondere Baumaschine, mit einem Mast, entlang welchem mittels einer Stelleinrichtung ein Kraftdrehkopf vertikal verfahrbar ist, durch welchen ein teleskopierbares Kellygestänge mit mindestens zwei Kellystangen verschiebbar geführt ist, wobei eine Außenkellystange, die zur Auflage auf den Kraftdrehkopf ausgebildet ist, und eine Innenkellystange vorgesehen sind, welche eine Seilaufhängung für ein Seil umfasst, durch welche mittels einer Hauptseilwinde die Innenkellystange vertikal verfahrbar ist, wobei Kellystangen an ihren Außen- und/oder Innenseiten zur Drehmomentübertragung mit axial verlaufenden Mitnehmerleisten sowie Verriegelungstaschen an den Mitnehmerleisten und/oder axialen Riegelelementen versehen sind, welche zum axialen Verriegeln der Kellystangen in die Verriegelungstaschen einfahrbar beziehungsweise zum Entriegeln aus den Verriegelungstaschen ausfahrbar sind, gemäß dem Oberbegriff des Anspruchs 1.The invention relates to a work machine, in particular a construction machine, with a mast, along which a force rotary head is vertically displaceable by means of which a telescoping Kelly linkage is slidably guided with at least two Kelly bars, wherein a Außenkellystange, which is designed to rest on the power rotary head and a innenkellystange are provided which comprises a cable suspension for a cable through which the Innenkellystange is vertically movable by means of a main winch, Kelly rods on their outer and / or inner sides for torque transmission with axially extending entrainment and locking pockets on the entrainment and / or axial Bar elements are provided, which are retractable for axially locking the Kelly bars in the locking pockets or for unlocking from the locking pockets, according to the preamble of claim 1.
Die Erfindung betrifft weiterhin ein Verfahren zum Bearbeiten eines Bodens mit einer Arbeitsmaschine, mit einem Mast, entlang welchem entlang einer Stelleinrichtung ein Kraftdrehkopf vertikal verfahren wird, durch welchen ein teleskopierbares Kellygestänge mit mindestens zwei Kellystangen verschoben und geführt wird, wobei eine Außenkellystange, die auf dem Kraftdrehkopf aufliegt, und eine Innenkellystange vorgesehen sind, welche an einem Seil aufgehängt ist, durch welches mittels einer Hauptseilwinde die Innenkellystange vertikal verfahren wird, wobei die Kellystangen an ihren Außen- und/oder Innenseiten zur Drehmomentübertragung mit axial verlaufenden Mitnehmerleisten sowie Verriegelungstaschen an den Mitnehmerleisten und/oder axialen Riegelelementen versehen sind, welche zum axialen Verriegeln der Kellystangen in die Verriegelungstaschen eingefahren beziehungsweise zum Entriegeln aus den Verriegelungstaschen ausgefahren werden, gemäß dem Oberbegriff des Anspruchs 7.The invention further relates to a method of processing a floor with a working machine, comprising a mast along which a power turret is vertically moved by means of which a telescopic Kelly linkage with at least two Kelly bars is moved and guided, wherein a Außenkellystange, on the Turret rests, and a Innenkellystange are provided, which is suspended from a rope through which the Innenkellystange is moved vertically by means of a main winch, the Kelly rods on their outer and / or inner sides for torque transmission with axially extending entrainment and locking pockets on the entrainment and or axial locking elements are provided, which are retracted for axially locking the Kelly bars in the locking pockets or for unlocking be extended from the locking pockets, according to the preamble of claim 7.
Ein Kellygestänge ist ein teleskopierbares Werkzeuggestänge, welches aus mehreren rohrförmigen Stangenelementen aufgebaut ist und zumindest eine Außenkellystange und eine Innenkellystange aufweist. Die Innenkellystange und damit das Kellygestänge insgesamt ist an einem Seil aufgehängt, wobei das Kellygestänge durch eine Kellyführung und/oder einen ringförmigen Drehantrieb, auch Kraftdrehkopf genannt, geführt ist. Über das Kellygestänge kann von dem Drehantrieb ein Drehmoment auf ein Bodenbearbeitungswerkzeug, insbesondere ein Bohrwerkzeug, übertragen werden, welches am unteren Ende der Innenkellystange angebracht ist. Durch ein entsprechendes Austeleskopieren der einzelnen Kellystangenelemente zueinander können auch größere Bohrtiefen erreicht werden.A Kelly linkage is a telescopic tool linkage which is constructed from a plurality of tubular rod elements and has at least one outer kelly rod and one inner kelly rod. The Innenkellystange and thus the Kelly linkage as a whole is suspended on a rope, the Kelly linkage is guided by a Kelly guide and / or an annular rotary drive, also called power turret. About the Kelly linkage can be transmitted from the rotary drive torque to a soil working tool, in particular a drilling tool, which is attached to the lower end of Innenkellystange. By a corresponding Austeleskopieren the individual Kelly rod elements to each other and larger drilling depths can be achieved.
Zur Drehmomentübertragung weisen die einzelnen Kellystangenelemente an ihrer Außenseite und an ihrer Innenseite axial verlaufende Anschlagleisten auf, welche der Drehmomentübertragung dienen. Zudem sind an bestimmten Axialpositionen, insbesondere an einem Anfangs- und Endbereich, Verriegelungstaschen oder Riegelelemente vorgesehen, durch welche die Kellystangenelemente zueinander axial festgelegt werden können. Auf diese Weise können über den Bohrantrieb auch axiale Druckkräfte auf das Kellygestänge und damit das Bodenbearbeitungswerkzeug aufgebracht werden. Auch die Außenkellystange kann mit dem Bohrantrieb axial fest verbunden werden.For torque transmission, the individual Kellystangenelemente on its outer side and on its inside axially extending stop bars, which serve for torque transmission. In addition, at certain axial positions, in particular at an initial and final area, locking pockets or locking elements are provided, by means of which the Kelly bar elements can be axially fixed to one another. In this way, axial pressure forces can be applied to the Kellygestänge and thus the tillage tool on the drill drive. The Außenkellystange can be axially fixed to the drill drive.
Insbesondere bei einer diskontinuierlichen Bodenbearbeitung, etwa beim Erstellen einer Bohrung mit einem Bohreimer, muss der Bohreimer wiederholt in das Bohrloch eingefahren und wieder ausgefahren werden. Abhängig von der jeweiligen Bohrlochtiefe wird das Kellygestänge entsprechend wiederholt ein- und austeleskopiert. Nach dem Füllen des Bohreimers mit abgetragenem Bodenmaterial muss dieser zum Entleeren aus dem Bohrloch gezogen werden. Hierzu ist es notwendig, die einzelnen Kellystangenelemente wieder zu entriegeln und ineinander einzufahren. In dieser eingefahrenen Position kann das Kellygestänge zusammen mit dem Bohreimer aus dem Bohrloch gezogen und zu einer Entleerposition verschwenkt werden. Anschließend erfolgt für einen weiteren Bohrschritt wieder ein Einfahren des Bohrwerkzeuges in das Bohrloch mit erneutem Austeleskopieren des Kellygestänges.In particular, in a discontinuous tillage, such as when creating a hole with a drilling bucket, the drilling bucket must be repeatedly retracted into the well and extended again. Depending on the depth of the drill hole, the kelly linkage is repeatedly telescoped in and out. After filling the drilling bucket with removed soil material, it must be pulled out of the drill hole for emptying. For this purpose, it is necessary to unlock the individual Kelly rod elements again and retract into each other. In this retracted position, the kelly linkage can be pulled out of the well along with the drilling bucket and swiveled to an emptying position. Subsequently, a retraction takes place for a further drilling step the drilling tool into the well with renewed Austeleskopieren the Kelly linkage.
Das Ein- und Austeleskopieren eines Kellygestänges benötigt Zeit und Geschick des Bohrgerätefahrers. Üblicherweise sind die Verriegelungsstellen verdeckt, so dass der Bohrgerätefahrer nicht erkennen kann, wo das Riegelelement und eine Verriegelungstasche liegen. Es ist bekannt, dem Bohrgerätefahrer an seinem Bedienmonitor die Lage der einzelnen Kellystangenelemente zueinander anzuzeigen. Allerdings sind derartige Anzeigen steuerungstechnisch sehr aufwändig und bedürfen vor einem Bohrbeginn einer exakten Kalibrierung der einzelnen Antriebskomponenten sowie der Positionen des Kellygestänges. Zudem muss in die Steuerung eingegeben sein, welche Art von Kellygestänge benutzt wird.The in-and-out telescoping of a Kelly linkage requires time and skill of the drill driver. Usually, the locking points are hidden, so that the drill driver can not recognize where the locking element and a locking pocket lie. It is known to indicate to the drill driver on his operating monitor, the position of the individual Kelly rod elements to each other. However, such displays are technically very complex in terms of control technology and require accurate calibration of the individual drive components as well as the positions of the Kelly linkage before drilling begins. You also need to enter into the controller which type of Kelly linkage is used.
Ein Verfahren zum Überwachen eines Kellybohrgestänges ist aus der
Der Erfindung liegt die Aufgabe zugrunde, eine Arbeitsmaschine und ein Verfahren zum Bearbeiten eines Bodens anzugeben, welche ein besonders effizientes Arbeiten mit einem Kellygestänge ermöglichen.The invention has for its object to provide a working machine and a method for processing a soil, which allow a particularly efficient work with a Kelly linkage.
Die Aufgabe wird zum einen durch eine Arbeitsmaschine mit den Merkmalen des Anspruchs 1 und zum anderen durch ein Verfahren mit den Merkmalen des Anspruchs 7 gelöst. Bevorzugte Ausführungsformen der Erfindung sind in den jeweils abhängigen Ansprüchen angegeben.The object is achieved on the one hand by a work machine with the features of claim 1 and on the other hand by a method having the features of claim 7. Preferred embodiments of the invention are specified in the respective dependent claims.
Die erfindungsgemäße Arbeitsmaschine ist dadurch gekennzeichnet, dass eine Steuerung vorgesehen ist, welche zum automatischen Verriegeln und/oder Entriegeln der Kellystange ausgebildet ist, dass mittels einer ersten Erfassungseinrichtung ein Drehwinkel mindestens einer Kellystange erfassbar ist und/oder mittels einer zweiten Erfassungseinrichtung eine Kraft-, Drehmoment- oder Druckänderung in einem Antriebssystem erfassbar ist, durch welches die Stelleinrichtung, der Kraftdrehkopf und/oder die Hauptseilwinde angetrieben sind, und dass die Steuerung ausgebildet ist, abhängig von dem erfassten Drehwinkel und/oder der erfassten Kraft-, Drehmoment- oder Druckänderung ein Verriegeln und/oder Entriegeln der Kellystangen zu ermöglichen.The working machine according to the invention is characterized in that a control is provided, which is designed for automatically locking and / or unlocking the Kelly bar, that by means of a first detection means a rotation angle of at least one Kelly bar is detectable and / or by means of a second detection means a force, torque - or pressure change is detected in a drive system through which the actuator, the power rotary head and / or the main winch are driven, and that the controller is formed, depending on the detected rotation angle and / or the detected change in force, torque or pressure locking and / or unlocking the kelly bars.
Eine Grundidee der Erfindung liegt darin, eine Steuerung vorzusehen, welche zum automatischen Verriegeln und/oder Entriegeln der Kellystangen ausgebildet ist. Dabei kann mittels einer ersten Erfassungseinrichtung ein Drehwinkel mit mindestens einer Kellystange erfasst werden. So kann ein Riegelelement einer ersten Kellystange mit einem gewissen leichten Druck an die Mitnehmerleiste einer zweiten gegenüberliegenden Kellystange angelegt werden. Bei einem relativen axialen Verfahren der beiden Kellystangen zueinander verbleibt der Drehwinkel zunächst gleich. Sobald bei diesem axialen Verfahren das Riegelelement zu einer Verriegelungstasche kommt, welche eine axiale Ausnehmung entlang der Mitnehmerleiste darstellt, dreht das Riegelelement in die Verriegelungstasche ein. Diese abrupte Drehwinkeländerung ist durch die erste Erfassungseinrichtung als ein Anzeichen dafür erfassbar, dass eine Verriegelung erfolgt ist. Die Drehwinkeländerung kann durch entsprechende Winkelgeber, etwa Inkrementalgebern, direkt oder über eine Kraft-, Drehmoment- oder Druckänderung im Antriebssystem des Drehantriebs etwa als kurzfristiger Lastabfall indirekt erfasst werden. Das Antriebssystem kann als ein elektrisches oder vorzugsweise ein hydraulisches Antriebssystem ausgebildet sein.A basic idea of the invention is to provide a control which is designed for automatic locking and / or unlocking of the Kelly bars. In this case, by means of a first detection device, a rotation angle can be detected with at least one Kelly bar. Thus, a locking element of a first Kelly bar can be applied with a certain slight pressure to the driving bar of a second opposing Kelly bar. In a relative axial process of the two Kelly bars to each other, the angle of rotation initially remains the same. As soon as the locking element comes to a locking pocket in this axial process, which represents an axial recess along the carrier strip, the locking element rotates into the locking pocket. This abrupt rotation angle change can be detected by the first detection device as an indication that a lock has occurred. The rotation angle change can be detected indirectly by appropriate angle encoders, such as incremental encoders, directly or via a force, torque or pressure change in the drive system of the rotary drive as a short-term load drop. The drive system may be designed as an electrical or preferably a hydraulic drive system.
Alternativ oder ergänzend ist nach einem weiteren Aspekt der Erfindung vorgesehen, mittels einer zweiten Erfassungseinrichtung eine Kraft-, Drehmoment- oder Druckänderung in dem Antriebssystem zu erfassen, durch welches die Stelleinrichtung, der Kraftdrehkopf und/oder die Hauptseilwinde angetrieben sind. Bei einem Einrasten eines Riegelelementes in eine Verriegelungstasche werden zwei aneinander liegende Kellystangen miteinander verriegelt. Ein einfaches axiales Verfahren des Riegelelementes ist nunmehr nicht mehr möglich, was sich in einem entsprechenden Leistungsanstieg im Antriebssystem der axialen Antriebseinheit feststellen lässt. Das axiale Verschieben der beiden Kellystangen axial zueinander kann dabei über die Stelleinrichtung, den Kraftdrehkopf und/oder die Hauptseilwinde erfolgen. Je nachdem welche Antriebseinheit verwendet wird, kann der etwa Druck in dem jeweiligen hydraulischen System oder in dem Gesamtsystem überwacht und so ein eventueller Druckanstieg erfasst werden. Entsprechendes gilt in umgekehrter Weise bei einem Entriegeln.Alternatively or additionally, it is provided according to a further aspect of the invention to detect by means of a second detection means a force, torque or pressure change in the drive system through which the adjusting device, the power rotary head and / or the main winch are driven. Upon engagement of a locking element in a locking pocket two adjacent Kelly bars are locked together. A simple axial movement of the locking element is now no longer possible, which can be determined in a corresponding increase in power in the drive system of the axial drive unit. The axial displacement of the two Kelly bars axially to each other can be done via the adjusting device, the power rotary head and / or the main winch. Depending on which drive unit is used, the approximately pressure in the respective hydraulic system or in the entire system can be monitored and thus a possible increase in pressure can be detected. The same applies in the reverse manner when unlocking.
Abhängig von dem erfassten Drehwinkel und/oder der erfassten Leistungsänderung kann die Steuerung so ein Verriegeln und/oder Entriegeln der Kellystange zuverlässig ermitteln.Depending on the detected angle of rotation and / or the detected change in performance, the controller can thus reliably detect a locking and / or unlocking of the Kelly bar.
Im einfachsten Fall besteht das Kellygestänge aus lediglich zwei Kellystangen, nämlich einer rohrförmigen Außenkellystange und einer darin verschiebbar angeordneten Innenkellystange. Zum Erreichen größerer Bohrtiefen ist es gemäß einer Weiterbildung der Erfindung vorteilhaft, dass das Kellygestänge eine oder mehrere Zwischenkellystangen aufweist, welche zwischen der Außenkellystange und der Innenkellystange angeordnet sind. Bevorzugt sind insbesondere Kellygestänge mit drei oder vier Kellystangen.In the simplest case, the Kellygestänge consists of only two Kelly bars, namely a tubular Außenkellystange and slidably disposed therein Innenkellystange. To achieve larger drilling depths, it is advantageous according to a development of the invention that the Kelly linkage has one or more Zwischenkellystangen, which are arranged between the Außenkellystange and Innenkellystange. Kelly linkages with three or four kelly bars are particularly preferred.
Grundsätzlich kann die erfindungsgemäße Arbeitsmaschine mit dem Kellygestänge für verschiedenste Tätigkeiten eingesetzt werden. Besonders zweckmäßig ist es nach einer Weiterbildung der Erfindung, dass am unteren Ende der Innenkellystange ein Bohrwerkzeug, insbesondere ein Bohreimer oder eine Bohrschnecke, lösbar angebracht ist. Derartige Bohrwerkzeuge können für ein diskontinuierliches Bohren eingesetzt werden, bei welchem ein Kellygestänge wiederholt aus- und eingefahren werden muss.In principle, the working machine according to the invention can be used with the Kelly linkage for a wide variety of activities. It is particularly expedient according to a development of the invention that at the lower end of Innenkellystange a drilling tool, in particular a drilling bucket or a auger, is releasably attached. Such drilling tools can be used for discontinuous drilling, in which a Kellygestänge must be repeatedly extended and retracted.
Eine weitere bevorzugte Ausführungsform der Erfindung besteht darin, dass mindestens eine Eingabeeinrichtung vorgesehen ist, mit welcher eine Art und/oder Größe des Kellygestänges, eine Position der Stelleinrichtung für den Kraftdrehkopf, eine Position des Seils und/oder eine Art und/oder Größe des Kraftdrehkopfes eingebbar sind. Eine Eingabe kann im einfachsten Fall über ein Eingabeterminal erfolgen. Alternativ können die Positionen automatisch mittels Sensoren erfasst werden. Des Weiteren ist es möglich, die jeweiligen Komponenten in eine definierte Ausgangsposition zu bringen und die Arbeitsmaschine mit diesen Komponenten zu kalibrieren. Eine bevorzugte Weiterbildung der Erfindung kann darin gesehen werden, dass die erste Erfassungseinrichtung zum Erfassen eines Drehwinkels einen Drehwinkelgeber aufweist. Der Drehwinkelgeber ist dabei vorzugsweise in dem Kraftdrehkopf integriert. Es können jedoch andere beliebige Sensoranordnungen vorgesehen sein, welche für ein direktes oder indirektes Erfassen des Drehwinkels geeignet sind.A further preferred embodiment of the invention is that at least one input device is provided, with which a type and / or size of the Kelly linkage, a position of the adjusting device for the power turret, a position of the rope and / or a type and / or size of the power rotary head can be entered. An input can be made in the simplest case via an input terminal. Alternatively, the positions can be detected automatically by means of sensors. Furthermore, it is possible to bring the respective components into a defined starting position and to calibrate the working machine with these components. A preferred development of the invention can be seen in that the first detection device for detecting a rotation angle has a rotary encoder. The rotary encoder is preferably integrated in the power rotary head. However, any other sensor arrangements may be provided which are suitable for direct or indirect detection of the angle of rotation.
Eine weitere zweckmäßige Ausführungsvariante der Erfindung besteht darin, dass die zweite Erfassungseinrichtung zum Erfassen eines Druckanstiegs einen Drucksensor aufweist. Der Drucksensor kann dabei vorzugsweise in einer Druckleitung in dem jeweiligen hydraulischen System vorgesehen sein. Vorzugsweise ist der Drucksensor nahe an der Komponente, dessen Druck zur Steuerung des Verriegelns überwacht werden soll.A further expedient variant of the invention consists in that the second detection device for detecting a pressure increase comprises a pressure sensor. The pressure sensor may preferably be provided in a pressure line in the respective hydraulic system. Preferably, the pressure sensor is close to the component whose pressure is to be monitored to control locking.
Das erfindungsgemäße Verfahren ist dadurch gekennzeichnet, dass mittels einer Steuerung die Kellystangen automatisch verriegelt oder entriegelt werden, dass mittels einer ersten Erfassungseinrichtung ein Drehwinkel mindestens einer Kellystange erfasst wird und/oder mittels einer zweiten Erfassungseinrichtung eine Kraft-, Drehmoment- oder Druckänderung in einem Antriebssystem erfasst wird, durch welches die Stelleinrichtung, der Kraftdrehkopf und/oder die Hauptseilwinde angetrieben werden, und dass durch die Steuerung abhängig von dem erfassten Drehwinkel und/oder der erfassten Kraft-, Drehmoment- oder Druckänderung ein Verriegeln und/oder Entriegeln der Kellystangen ermittelt wird.The method according to the invention is characterized in that the Kelly bars are automatically locked or unlocked by means of a control, that a rotation angle of at least one Kelly bar is detected by means of a first detection device and / or a force, torque or pressure change in a drive system is detected by a second detection device is, by which the adjusting device, the power rotary head and / or the main winch are driven, and that is determined by the controller depending on the detected rotation angle and / or the detected force, torque or pressure change locking and / or unlocking the Kelly bars.
Das erfindungsgemäße Verfahren kann insbesondere mit einer Arbeitsmaschine durchgeführt werden, wie dieses zuvor beschrieben wurde. Es können entsprechend die zuvor beschriebenen Vorteile erzielt werden.The inventive method can be carried out in particular with a working machine, as has been previously described. It can be achieved according to the advantages described above.
Eine vorteilhafte Verfahrensvariante der Erfindung besteht darin, dass zum Verriegeln und/oder Entriegeln ein Bodenbearbeitungswerkzeug an dem Kellygestänge auf den Boden, insbesondere einen Bohrlochgrund, aufgesetzt wird. Damit befindet sich das Bodenbearbeitungswerkzeug und die damit fest verbundene Innenkellystange in einer definierten Position. Vorzugsweise kann nunmehr die Außenkellystange oder eine Zwischenkellystange gemäß der Erfindung relativ zu der Innenkellystange verfahren werden, bis das gewünschte Verriegeln oder Entriegeln gegeben ist. Grundsätzlich kann das erfindungsgemäße Verfahren bei jeder Anwendung eingesetzt werden, bei welchen ein Werkzeug mit einem Kellygestänge benötigt wird. Besonders bevorzugt ist es nach einer Ausführungsvariante, dass in dem Boden ein Bohrloch erstellt wird. Das Erstellen des Bohrlochs kann unter Aushub des Bodenmaterials durchgeführt werden.An advantageous variant of the method of the invention is that for locking and / or unlocking a tillage tool on the Kellygestänge on the ground, in particular a borehole bottom, is placed. This is the tillage tool and thus firmly connected Innenkellystange in a defined position. Preferably, now the Außenkellystange or a Zwischenkellystange according to the invention can be moved relative to the Innenkellystange until the desired locking or unlocking is given. In principle, the method according to the invention can be used in any application in which a tool with a kelly linkage is required. According to a variant embodiment, it is particularly preferred for a borehole to be created in the ground. The construction of the borehole can be carried out under excavation of the soil material.
Gemäß einer weiteren Ausführungsvariante der Erfindung ist es vorgesehen, dass das Bohrloch zum Bilden eines Gründungselementes verfüllt wird. Das Gründungselement kann dabei in einem einfachen Fall durch ein schüttfähiges Material, etwa Sand oder Kies, verfüllt werden. Bevorzugt ist es, dass das Gründungselement durch Verfüllen mit einer aushärtbaren Masse, insbesondere einem Betonmaterial erfolgt.According to a further embodiment of the invention, it is provided that the borehole is filled to form a foundation element. The foundation element can be filled in a simple case by a pourable material, such as sand or gravel. It is preferred that the foundation element takes place by filling with a hardenable mass, in particular a concrete material.
Gemäß einer Weiterbildung des erfindungsgemäßen Verfahrens ist es vorteilhaft, dass zum Verriegeln einer Kellystange an diese ein erstes Drehmoment angelegt wird, wobei ein Riegelelement an eine Mitnehmerleiste der gegenüberliegenden Kellystange mit einem leichten Druck angelegt wird, und dass die beiden Kellystangen relativ zueinander axial verfahren werden, bis das Riegelelement in Umfangsrichtung in eine Verriegelungstasche eindreht und/oder axial anschlägt. Das relative Andrücken zwischen Riegelelement und Mitnehmerleiste erfolgt mit einem ersten, leichten Druck, welcher durch die Steuerung vorgegeben wird. Der Druck wird dabei so eingestellt, dass die beiden Kellystangen mit relativ geringen Reibkräften noch relativ zueinander axial verfahren werden können. Bei einem Passieren des Riegelelementes an einer Verriegelungstasche dreht das Riegelelement in die Verriegelungstasche in Umfangsrichtung ein. Dieses Verriegeln ist sowohl durch eine Drehwinkeländerung zwischen den beiden gegenüberliegenden Kellystangen als auch durch eine Druckänderung bei der axialen Antriebseinheit feststellbar. Um die Steuerung wird dann automatisch ein axiales Verschieben der beiden Kellystangen zueinander eingestellt. Gegebenenfalls kann ein weiteres axiales Verfahren erfolgen, wenn eine weitere Verriegelung zu einer anderen Kellystange gewünscht ist.According to a development of the method according to the invention, it is advantageous that a first torque is applied to lock a Kelly bar to it, wherein a locking element is applied to a driver bar of the opposite Kelly bar with a slight pressure, and that the two Kelly bars are moved axially relative to each other, until the locking element rotates in the circumferential direction in a locking pocket and / or axially abuts. The relative pressing between locking element and carrier strip is carried out with a first, slight pressure, which is determined by the controller. The pressure is adjusted so that the two Kelly rods with relatively low frictional forces can still be moved axially relative to each other. When passing the locking element on a locking pocket, the locking element rotates in the locking pocket in the circumferential direction. This locking can be determined both by a rotation angle change between the two opposing Kelly bars and by a pressure change in the axial drive unit. The controller is then automatically adjusted to an axial displacement of the two Kelly bars to each other. Optionally, another axial process may be performed if further locking to another Kelly bar is desired.
Eine weitere Verfahrensvariante besteht nach der Erfindung darin, dass die Kellystange mit dem Riegelelement über eine vorgegebene Strecke axial relativ verfahren wird. Die vorgegebene Strecke kann einige zehn Zentmeter bis zu einigen Metern betragen. Wird beim Durchlauf dieser vorgegebenen Strecke keine Verriegelung festgestellt, kann die verfahrbare Kellystange durch die Steuerung wieder auf den Ausgangspunkt rückgestellt werden, wobei dann abermals ein axiales Verfahren über die vorgegebene Strecke erfolgt. Dieser Vorgang kann ein oder mehrmals wiederholt werden. Erfolgt dann noch immer kein Verriegeln, kann eine Fehleranzeige oder eine Aufforderung an den Bohrgerätefahrer bewirkt werden, die Verriegelung in herkömmlicher Weise vorzunehmen.A further variant of the method according to the invention is that the Kelly bar is moved axially relative to the locking element over a predetermined distance. The given distance can be several tens of centimeters up to several meters. If no lock is detected during the passage of this predetermined distance, the movable Kelly rod can be reset by the controller back to the starting point, in which case again takes an axial process over the specified distance. This process can be repeated one or more times. If there is still no locking, an error message can be displayed or prompting the operator to lock in a conventional manner.
Die Erfindung wird nachfolgend anhand von bevorzugten Ausführungsbeispielen weiter erläutert, welche schematisch in den Zeichnungen dargestellt sind. In den Zeichnungen zeigen:
- Fig. 1
- eine schematische Teilansicht einer ersten erfindungsgemäßen Arbeitsmaschine;
- Fig. 2
- eine schematische Teilansicht einer zweiten erfindungsgemäßen Arbeitsmaschine;
- Fig.3
- eine schematische aufgebrochene Darstellung eines Kellygestänges vor einem Entriegeln; und
- Fig. 4
- eine schematische aufgebrochene Darstellung des Kellygestänges von
Fig. 3 nach dem Verriegeln.
- Fig. 1
- a schematic partial view of a first machine according to the invention;
- Fig. 2
- a schematic partial view of a second machine according to the invention;
- Figure 3
- a schematic broken view of a Kelly linkage before unlocking; and
- Fig. 4
- a schematic broken view of the Kelly linkage of
Fig. 3 after locking.
Die Arbeitsmaschine 10 gemäß den
Das Kellygestänge 40 ist gemäß den beiden Ausführungsformen nach den
Die Außenkellystange 42 weist an ihrem oberen Ende einen Auflagekragen 43 auf, mit welchem die Außenkellystange 43 auf einem Kraftdrehkopf 30, also einem ringförmigen Drehantrieb, aufliegt. Bei der Ausführungsform gemäß
In bekannter Weise sind entsprechende Mitnehmerleisten 66 oder Riegelelemente auch an den weiteren Außenseiten und Innenseiten der weiteren Kellystangenelemente angeordnet. An einer Unterseite der Innenkellystange 46 ist ein zapfenförmiges Anschlußelement 49 vorgesehen, mit welchem drehfest ein Bodenbearbeitungswerkzeug 36 angebracht werden kann. Das Bodenbearbeitungswerkzeug 36 ist in den Ausführungsbeispielen gemäß den
In den
Für ein axiales Verriegeln der Außenkellystange 42 und der Innenkellystange 46 wird mittels einer erfindungsgemäßen Steuerung durch Anlegen eines leichten Drehmoments über den Kraftdrehkopf 30 das Riegelelement 62 an der Außenkellystange 42 leicht an die Mitnehmerleiste 66 angedrückt. In dieser angedrückten Position werden nunmehr die Außenkellystange 42 und die Innenkellystange 46 entweder über die Stelleinrichtung 20 oder die Hauptseilwinde 50 axial zueinander verfahren. Bei Erreichen der in
Bei einem weiteren axialen Verfahren der Außenkellystange 42 gegenüber der Innenkellystange 46 schlägt das blockartige Riegelelement 62 axial gegen einen Axialanschlag 69 der Verriegelungstasche 68 an. Ein weiteres axiales Verfahren der Außenkellystange 42 ist nun mehr oder nur unter einem erhöhten Kraftaufwand möglich, was als ein Druckanstieg in dem hydraulischen System erfassbar ist, durch welches das axiale Antriebsorgan angetrieben ist. Auch ein Anschlagen des Riegelelementes 62 in Umformrichtung an einer Seitenfläche der Verriegelungstasche 68 ist als eine Druckänderung mittels einer zweiten Erfassungseinrichtung, etwa eines Drucksensors, im hydraulischen System zum Antrieb des Kraftdrehkopfes feststellbar. Diese jeweiligen Druckänderungen können als weiteres Anzeichen für das Vorliegen einer erfolgreichen Verriegelung der Kellystangen erfasst und von der Steuerung registriert werden.In a further axial movement of the
Claims (12)
dadurch gekennzeichnet,
dass eine Steuerung vorgesehen ist, welche zum automatischen Verriegeln und/oder Entriegeln der Kellystangen ausgebildet ist,
dass mittels einer ersten Erfassungseinrichtung ein Drehwinkel mindestens einer Kellystange erfassbar ist und/oder dass mittels einer zweiten Erfassungseinrichtung eine Kraft-, Drehmoment- oder Druckänderung in einem Antriebssystem erfassbar ist, durch welches die Stelleinrichtung (20), der Kraftdrehkopf (40) und/oder die Hauptseilwinde (50) angetrieben sind, und
dass die Steuerung ausgebildet ist, abhängig von dem erfassten Drehwinkel und/oder der erfassten Kraft-, Drehmoment- oder Druckänderung im Antriebssystem ein Verriegeln und/oder Entriegeln der Kellystangen zu ermitteln.Work machine, in particular construction machine, with a mast (12), along which by means of an adjusting device (20) a power rotary head (30) is vertically displaceable, through which a telescopic Kellygestänge (40) with at least two Kelly bars is displaceably guided, wherein a Außenkellystange (42 ), which is designed to rest on the power rotary head (30), and a Innenkellystange (46) are provided, which comprises a cable suspension (48) for a cable (52) through which by means of a main winch (50) Innenkellystange (46) vertically movable, wherein Kelly rods on their outer and / or inner sides for torque transmission with axially extending entrainment strips (66) and locking pockets (68) on the Mitnehmerleisten (66) and / or axial locking elements (62) are provided, which for axially locking the Kelly rods in the locking pockets (68) retractable or for unlocking from the locking pockets (68) are extendable,
characterized,
that a control is provided which is designed for automatically locking and / or unlocking the Kelly bars,
that by means of a first detecting means, a rotation angle at least one of the Kelly bar can be detected and / or that a force, torque or change in pressure can be detected by a second detecting means in a drive system, through which the adjusting device (20) of the power rotary head (40) and / or the main winch (50) are driven, and
in that the controller is designed to determine a locking and / or unlocking of the kelly bars, depending on the detected angle of rotation and / or the detected change in force, torque or pressure in the drive system.
dadurch gekennzeichnet,
dass das Kellygestänge (40) eine oder mehrere Zwischenkellystangen (44) aufweist, welche zwischen der Außenkellystange (42) und der Innenkellystange (46) angeordnet sind.Work machine according to claim 1,
characterized,
in that the kelly linkage (40) has one or more intermediate kelly rods (44) which are arranged between the outer kelly rod (42) and the inner kelly rod (46).
dadurch gekennzeichnet,
dass an einem unteren Ende der Innenkellystange (46) ein Bodenbearbeitungswerkzeug (30), insbesondere ein Bohreimer oder eine Bohrschnecke, lösbar angebracht ist.Work machine according to claim 1 or 2,
characterized,
that at a lower end of Innenkellystange (46), a soil working tool (30), in particular a drilling bucket or a Bohrschnecke, is releasably attached.
dadurch gekennzeichnet,
dass mindestens eine Eingabeeinrichtung vorgesehen ist, mit welcher eine Art und/oder Größe des Kellygestänges (40), eine Position der Stelleinrichtung (20) für den Kraftdrehkopf (30), eine Position des Seiles (52) und/oder eine Art und/oder Größe des Kraftdrehkopfes (30) eingebbar sind.Work machine according to one of claims 1 to 3,
characterized,
that at least one input device is provided, by which a kind and / or size of the Kelly rod (40), a position of the adjusting device (20) for the power rotary head (30), a position of the rope (52) and / or type and / or Size of the power rotary head (30) can be entered.
dadurch gekennzeichnet,
dass die erste Erfassungseinrichtung zum Erfassen eines Drehwinkels einen Drehwinkelgeber aufweist.Work machine according to one of claims 1 to 4,
characterized,
in that the first detection device for detecting a rotation angle has a rotation angle sensor.
dadurch gekennzeichnet,
dass die zweite Erfassungseinrichtung zum Erfassen eines Druckanstiegs in einem hydraulischen Antriebssystem einen Drucksensor aufweist.Work machine according to one of claims 1 to 5,
characterized,
in that the second detection device for detecting a pressure increase in a hydraulic drive system has a pressure sensor.
dadurch gekennzeichnet,
dass mittels einer Steuerung die Kellystangen automatisch verriegelt oder entriegelt werden,
dass mittels einer ersten Erfassungseinrichtung ein Drehwinkel mindestens einer Kellystange erfasst wird und/oder mittels einer zweiten Erfassungseinrichtung eine Kraft-, Drehmoment- oder Druckänderung in einem Antriebssystem erfasst wird, durch welches die Stelleinrichtung (20), der Kraftdrehkopf (30) und/oder die Hauptseilwinde (50) angetrieben werden, und
dass durch die Steuerung abhängig von dem erfassten Drehwinkel und/oder der erfassten Kraft-, Drehmoment- oder Druckänderung ein Verriegeln und/oder Entriegeln der Kellystangen ermittelt wird.Method for processing a floor with a working machine (10), in particular according to one of claims 1 to 6, with a mast (12), along which a power turret (30) is moved vertically by means of an adjusting device (20), through which a telescopic Kelly linkage (40) is displaced and guided with at least two Kelly bars, wherein a Außenkellystange (42), which rests on the power turret (30), and a Innenkellystange (46) are provided, which is suspended from a cable (52) through which by means of a main winch (50) the Innenkellystange (46) is moved vertically, the Kelly rods at their Outer and / or inner sides for torque transmission with axially extending entrainment strips (66) and locking pockets (68) on the Mitnehmerleisten (66) and / or axial locking elements (62) are provided, which for axially locking the Kelly rods in the locking pockets (68) retracted or for unlocking from the locking pockets (68) are extended,
characterized,
that by means of a control the kelly bars are automatically locked or unlocked,
that a rotation angle of at least one kelly bar by means of a first detecting means detects and / or a force, torque or change in pressure is detected in a drive system by means of a second detecting means by which the actuating device (20) of the power rotary head (30) and / or the Main winch (50), and
in that a locking and / or unlocking of the kelly bars is determined by the controller as a function of the detected angle of rotation and / or of the detected change in force, torque or pressure.
dadurch gekennzeichnet,
dass zum Verriegeln und/oder Entriegeln ein Bodenbearbeitungswerkzeug (36) an dem Kellygestänge (40) auf den Boden, insbesondere einen Bohrlochgrund, aufgesetzt wird.Method according to claim 7,
characterized,
that is mounted for locking and / or unlocking of a soil working tool (36) on the Kelly rod (40) on the floor, in particular a bottom of a hole.
dadurch gekennzeichnet,
dass in dem Boden ein Bohrloch erstellt wird.Method according to claim 7 or 8,
characterized,
that a hole is made in the ground.
dadurch gekennzeichnet,
dass das Bohrloch zum Bilden eines Gründungselementes verfüllt wird.Method according to claim 9,
characterized,
that the borehole is filled to form a foundation element.
dadurch gekennzeichnet,
dass zum Verriegeln einer Kellystange an diese ein erstes Drehmoment angelegt wird, wobei ein Riegelelement (62) an eine Mitnehmerleiste (66) der gegenüberliegenden Kellystange mit einem leichten Druck angelegt wird, und
dass die beiden Kellystangen relativ zueinander axial verfahren werden, bis das Riegelelement (62) in Umfangsrichtung in eine Verriegelungstasche (68) eindreht und/oder axial anschlägt.Method according to one of claims 7 to 10,
characterized,
that a first torque is applied to lock a Kelly bar to it, wherein a locking element (62) is applied to a driver bar (66) of the opposite Kelly bar with a slight pressure, and
that the two Kelly rods are moved axially relative to each other until the locking element (62) rotates in the circumferential direction in a locking pocket (68) and / or axially abuts.
dadurch gekennzeichnet,
dass die Kellystange mit dem Riegelelement (62) über eine vorgegebene Strecke axial relativ verfahren wird.Method according to claim 11,
characterized,
that the Kelly bar with the locking element (62) is relatively axially moved over a predetermined distance.
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP16185467.4A EP3287588B1 (en) | 2016-08-24 | 2016-08-24 | Machine tool and method for machining a soil |
JP2019510964A JP6790242B2 (en) | 2016-08-24 | 2017-07-12 | How to work against work machines and the ground |
RU2019103255A RU2722612C1 (en) | 2016-08-24 | 2017-07-12 | Working machine and method of soil treatment |
US16/323,635 US11473375B2 (en) | 2016-08-24 | 2017-07-12 | Working machine and method for working the ground |
PCT/EP2017/067529 WO2018036713A1 (en) | 2016-08-24 | 2017-07-12 | Working machine and method for working a soil |
CN201780051769.8A CN109563731B (en) | 2016-08-24 | 2017-07-12 | Work machine and method for treating ground |
MYPI2019000719A MY201894A (en) | 2016-08-24 | 2017-07-12 | Working machine and method for working the ground |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP16185467.4A EP3287588B1 (en) | 2016-08-24 | 2016-08-24 | Machine tool and method for machining a soil |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3287588A1 true EP3287588A1 (en) | 2018-02-28 |
EP3287588B1 EP3287588B1 (en) | 2019-05-22 |
Family
ID=56802299
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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EP16185467.4A Active EP3287588B1 (en) | 2016-08-24 | 2016-08-24 | Machine tool and method for machining a soil |
Country Status (7)
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---|---|
US (1) | US11473375B2 (en) |
EP (1) | EP3287588B1 (en) |
JP (1) | JP6790242B2 (en) |
CN (1) | CN109563731B (en) |
MY (1) | MY201894A (en) |
RU (1) | RU2722612C1 (en) |
WO (1) | WO2018036713A1 (en) |
Cited By (1)
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EP3907371A1 (en) * | 2020-05-07 | 2021-11-10 | BAUER Maschinen GmbH | Machine tool and method for processing a soil |
Families Citing this family (3)
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EP3719246B1 (en) * | 2019-04-03 | 2024-05-29 | BAUER Maschinen GmbH | Method for creating a hole in the ground and ground processing device for same |
EP3779117A1 (en) * | 2019-08-16 | 2021-02-17 | BAUER Maschinen GmbH | Kelly bar assembly for a drill and method for working soil |
CN113107383B (en) * | 2021-05-28 | 2023-02-28 | 林英炜 | Drilling tool with internal and external telescopic torque transmission, pressurized lifting and slurry conveying and mud-water balance effect |
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Also Published As
Publication number | Publication date |
---|---|
CN109563731B (en) | 2021-04-13 |
JP2019526724A (en) | 2019-09-19 |
EP3287588B1 (en) | 2019-05-22 |
JP6790242B2 (en) | 2020-11-25 |
MY201894A (en) | 2024-03-22 |
US11473375B2 (en) | 2022-10-18 |
WO2018036713A1 (en) | 2018-03-01 |
CN109563731A (en) | 2019-04-02 |
RU2722612C1 (en) | 2020-06-02 |
US20190169941A1 (en) | 2019-06-06 |
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