EP1477633A2 - Verfahren und Vorrichtung zur Bodenbearbeitung - Google Patents
Verfahren und Vorrichtung zur Bodenbearbeitung Download PDFInfo
- Publication number
- EP1477633A2 EP1477633A2 EP04009245A EP04009245A EP1477633A2 EP 1477633 A2 EP1477633 A2 EP 1477633A2 EP 04009245 A EP04009245 A EP 04009245A EP 04009245 A EP04009245 A EP 04009245A EP 1477633 A2 EP1477633 A2 EP 1477633A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- speed
- drill pipe
- feed
- control device
- drill
- 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
- 239000002689 soil Substances 0.000 title claims abstract description 13
- 238000000034 method Methods 0.000 title claims description 37
- 238000005553 drilling Methods 0.000 claims abstract description 33
- 230000007423 decrease Effects 0.000 claims abstract description 5
- 239000012530 fluid Substances 0.000 claims description 12
- 239000000725 suspension Substances 0.000 claims description 8
- 230000033228 biological regulation Effects 0.000 claims description 5
- 238000004519 manufacturing process Methods 0.000 claims description 5
- 230000001105 regulatory effect Effects 0.000 claims description 5
- 238000004062 sedimentation Methods 0.000 claims description 4
- 238000006073 displacement reaction Methods 0.000 claims description 3
- 230000001960 triggered effect Effects 0.000 claims description 2
- 230000001276 controlling effect Effects 0.000 claims 1
- 238000012364 cultivation method Methods 0.000 claims 1
- 238000010276 construction Methods 0.000 description 3
- 238000003971 tillage Methods 0.000 description 3
- KGSSUTVUTPLSQW-UHFFFAOYSA-N Robustone Chemical compound C1=C2OCOC2=CC(C2=COC=3C=C4OC(C=CC4=C(O)C=3C2=O)(C)C)=C1 KGSSUTVUTPLSQW-UHFFFAOYSA-N 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000005056 compaction Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Images
Classifications
-
- 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
- E21B44/00—Automatic control systems specially adapted for drilling operations, i.e. self-operating systems which function to carry out or modify a drilling operation without intervention of a human operator, e.g. computer-controlled drilling systems; Systems specially adapted for monitoring a plurality of drilling variables or conditions
- E21B44/02—Automatic control of the tool feed
- E21B44/06—Automatic control of the tool feed in response to the flow or pressure of the motive fluid of the drive
-
- 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
- E21B44/00—Automatic control systems specially adapted for drilling operations, i.e. self-operating systems which function to carry out or modify a drilling operation without intervention of a human operator, e.g. computer-controlled drilling systems; Systems specially adapted for monitoring a plurality of drilling variables or conditions
- E21B44/02—Automatic control of the tool feed
Definitions
- the invention relates to a method for tillage according to the preamble of claim 1 and an associated device.
- the object of the present invention is to provide a method and a device for soil cultivation which allows continuous and particularly efficient drilling.
- a drill pipe to which at least one tool is attached is, by means of a rotary drive at a speed of one Rotation axis set in rotation, the drill pipe at the same time by means of a feed drive with a feed speed moved into a floor area in the direction of the axis of rotation, determined the speed of the drill pipe and a control device reduces the feed rate at one Decrease in the speed of the drill pipe.
- a basic idea of the invention is the feed rate depending on the speed of the drill pipe controlled automatically by a control device.
- the control device will adjust the feed rate of the Drill pipe decreases when the speed of the drill pipe due to an increase in forces between the drilling tool and a wall or a bottom of the floor area decreases. These forces can be, for example, friction, Act shear or cutting forces. From reducing the Feed speed results in a reduction of the contact pressure the drilling tool at the bottom of the floor area and thus a reduction in the forces of the rotary motion counteract the drill pipe. This results in another Increasing the speed of the drill pipe and drilling hard of the drill pipe can thus be effectively prevented. If the speed of the drill pipe rises again, this can also happen Feed rate increased again by the control device become.
- P refers the speed determined by the control device compared with the preset setpoint and the feed rate preferably by means of a PID controller Control device regulated.
- the preset setpoint for the soil to be worked optimal cutting speed is a preset setpoint for the soil to be worked optimal cutting speed.
- a particularly preferred further development of the invention is characterized in that the determined speed of the drill string in the control device with a predetermined Threshold value is compared and if it falls below the Threshold the feed rate is reduced.
- the threshold can be a single value or a Range of values. This allows a permissible speed range be provided within which no feed rate control he follows. Intervention by the PID controller can then fall below the threshold speed respectively. Comparing the determined speed with the The predetermined threshold value is preferably in the form of a Difference.
- the feed rate is advantageously regulated in such a way that that the drill pipe at least with a predetermined Minimum target speed is operated.
- the minimum target speed is preferred dimensioned so that sedimentation of a Suspension in the floor area reliably counteracted becomes.
- Such a suspension can be used to manufacture Foundation elements introduced into the floor area or in this be made.
- the drilling tool is advantageous designed so that the suspension is continuous circulates.
- the minimum target speed can then be measured in this way be that the circulation process is sedimentation of the suspension prevented.
- a hydraulic rotary motor is used to which a hydraulic fluid is supplied.
- a hydraulic rotary motor enables a particularly robust one Operation of the drilling tool.
- a pressure of the hydraulic fluid supplied to the hydraulic rotating motor is measured and that the speed by the control device from the determined pressure using a calculation rule is calculated. This allows a particularly quick one and timely determination of the speed and the deviation of the Speed from the setpoint even when low speeds are present. Furthermore, small deviations between the Speed and the setpoint can be reliably determined.
- the calculation rule is designed so that it is a relationship between the speed and the pressure on the rotary drive.
- the calculation rule is preferably carried out in certain time segments triggered automatically or by an operator customized. This can take into account that the relationship between speed and pressure from the ambient conditions, such as outside temperature, temperature of the hydraulic fluid and resulting friction torque of the rotary drive, the ground conditions as well as the type of tool and rotary drive. An adjustment can be made by comparing the speed determined by means of encoders with the speed from the calculation rule determined speed. Particularly preferred is it that the control device has other parameters, such as outside temperature, temperature of the hydraulic fluid, Frictional torque of the rotary drive and / or state of wear of the Rotary drive, determined on the basis of which the calculation rule is adapted becomes. This makes a particularly precise determination the speed from the pressure enables.
- a hydraulic motor is used as feed drive.
- Such a Hydraulic motor can be designed as a rotary motor, for example be the drill pipe and advances and retracts the rotary drive. Also can hydraulic cylinders Find use. It is also preferred that Regulation of the feed rate, especially its deceleration, by regulating a flow rate of Hydraulic fluid is caused by the hydraulic motor. This makes possible a particularly simple and reliable regulation of the Feed speed. According to the invention, it is advantageous that at least two, especially three drill pipes directly that the at least two Drill rods are rotated simultaneously and that the at least two drill pipes at the same time with the same Feed speed in the floor area. Such an arrangement allows simultaneous revision a large floor area and especially the production of wall elements.
- the at least two drill pipes are preferably arranged parallel to one another, and the Drilling tools preferably have overlapping drilling cross sections on.
- the control device suitably controls the Feed rate of the drill pipe in the same way and synchronous.
- each of the drill rods also has its own rotary drive.
- the speed of each of the at least two Drill rods are determined and the regulation of the feed rate be taken as a basis. Is particularly preferred However, it is only the speed from the outside Drill rods determined and processed by the control device becomes. Such can be found under the outer drill pipe Drill pipes are understood to be just an immediate have adjacent drill pipe. Because a drop in speed due to a major intervention in the soil on the outer Such a process procedure is reduced if the linkage occurs first reliable drilling of all drill rods.
- Drilling tools can basically all known drilling tools be used. However, it is particularly advantageous that the drilling tool has helical coils and / or mixing paddles. The use of mixing paddles is particularly advantageous if a suspension is introduced and / or produced in the bottom area becomes. The mixing paddles can then be used to prevent Serve sedimentation of the suspension.
- the method according to the invention can be used in particular with all known Drilling methods are used. Particularly preferred it is that it is in displacement drilling, auger drilling and / or in mixed-in-place processes for the production of Foundation elements is used. Is under displacement drilling to understand a drilling process in the soil material displaced from the soil area with compaction at the same time becomes. Such techniques can be used under mixed-in-place procedures be understood where there is a liquid in the soil is introduced and the liquid in the bottom area with the existing soil mixed into a self-curing suspension becomes.
- a device according to the invention is characterized in that that it is to carry out the procedure described above is used.
- a device for performing the method according to the invention is shown schematically in Fig. 1.
- One as a hydraulic rotary motor executed rotary drive 20 rotatably drives Drill pipe 10 on.
- the rotary drive 20 is a first supply line 21 supplied hydraulic fluid.
- At the bottom The end of the drill pipe 10 is a drill auger Drilling tool 11 rotatably attached.
- the drill pipe 10 enters at its lower end into a floor area 1 where a drilling hole is created by the action of the drilling tool 11.
- the rotary drive 20 and the drill pipe 10 are only one schematically illustrated cable mechanism 33 and a rope 34 slidably arranged on a mast 4.
- the cable mechanism 33 serves to propel the drill pipe in the direction of its axis of rotation.
- the mast 4 is schematic on one shown construction vehicle 3 attached.
- the cable pull mechanism 33 is arranged on the construction vehicle 3
- Feed drive 30 driven, also as Hydraulic rotary motor is designed.
- the feed drive 30 hydraulic fluid is supplied via a second supply line 31.
- the pressure in the first feed line 21 of the rotary drive 20 is determined via a pressure sensor 41 and the measured value via a measured value line 44 is fed to a control device 40.
- the control device 40 also compares the determined pressure a setpoint, which the control device via a setpoint line 45 is supplied.
- the control device calculates from this 40 a manipulated variable, which is via a manipulated variable line 46 to a control valve 32 in the second feed line 31 of the feed drive 30 is provided.
- the control device 40 Provides the control device 40 an increase in the pressure in the first feed line 21 above the setpoint, indicating a slowdown in speed corresponds to below the target value, the control device reduces 40 the flow rate of hydraulic fluid through the second Feed line 31 by actuating the control valve 32.
- FIG. 2 Another example of an apparatus for performing the The inventive method is shown in Fig. 2.
- components have the same function with the same reference numerals as indicated in Fig. 1 and are at this point not described in detail.
- the embodiment in Fig. 2 differs differs from that in Fig. 1 only in that the Controller 40 does not control the pressure in the first supply line 21 supplied as a measured value via the measured value line 46 is, but the speed of the drill string 10. The speed is arranged directly from one on the drill pipe 10 Encoder 42 added.
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (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)
- Earth Drilling (AREA)
Abstract
Description
- Fig. 1
- eine schematische Seitenansicht einer Vorrichtung zur Durchführung des erfindungsgemäßen Verfahrens; und
- Fig. 2
- eine schematische Seitenansicht einer weiteren Vorrichtung zur Durchführung des erfindungsgemäßen Verfahrens ohne Darstellung eines Baufahrzeuges.
Claims (13)
- Verfahren zur Bodenbearbeitung,bei dem ein Bohrgestänge (10), an dem mindestens ein Werkzeug (11) angebracht ist, mittels eines Drehantriebs (20) mit einer Drehzahl um eine Drehachse in Rotation versetzt wird,das Bohrgestänge (10) gleichzeitig mittels eines Vorschubantriebes (30) mit einer Vorschubgeschwindigkeit in Richtung der Drehachse in einen Bodenbereich (1) eingefahren wird,die Drehzahl des Bohrgestänges ermittelt wird undeine Steuereinrichtung (40) bei einer Abnahme der Drehzahl des Bohrgestänges (10) die Vorschubgeschwindigkeit verringert.
- Verfahren nach Anspruch 1,
dadurch gekennzeichnet, dass die ermittelte Drehzahl des Bohrgestänges (10) in der Steuereinrichtung (40) mit einem vorgegebenen Schwellenwert verglichen wird und bei Unterschreiten des Schwellenwerts die Vorschubgeschwindigkeit so geregelt wird, dass das Bohrgestänge (10) zumindest mit einer vorgegebenen Mindest-Solldrehzahl betrieben wird. - Verfahren nach Anspruch 2,
dadurch gekennzeichnet, dass die Mindest-Solldrehzahl so bemessen ist, dass einer Sedimentation einer im Bodenbereich (1) befindlichen Suspension zuverlässig entgegengewirkt wird. - Verfahren nach einem der Ansprüche 1 bis 3,
dadurch gekennzeichnet, dass die Ermittlung der Drehzahl mittels Drehgebern (42) erfolgt. - Verfahren nach einem der Ansprüche 1 bis 4,
dadurch gekennzeichnet,dass als Drehantrieb (20) ein Hydraulikdrehmotor verwendet wird, dem ein Hydraulikfluid zugeführt wird,dass ein Druck des dem Hydraulikdrehmotor zugeführten Hydraulikfluids gemessen wird unddass die Drehzahl durch die Steuereinrichtung (40) aus dem ermittelten Druck mittels einer Rechenvorschrift berechnet wird. - Verfahren nach Anspruch 5,
dadurch gekennzeichnet, dass die Rechenvorschrift in bestimmten Zeitabschnitten automatisch oder durch einen Bediener ausgelöst angepasst wird. - Verfahren nach einem der Ansprüche 5 oder 6,
dadurch gekennzeichnet, dass die Steuereinrichtung (40) weitere Parameter wie Außentemperatur, Temperatur des Hydraulikfluids und/oder Verschleißzustand des Drehantriebs (20) erfasst, anhand derer die Rechenvorschrift angepasst wird. - Verfahren nach einem der Ansprüche 1 bis 7,
dadurch gekennzeichnet, dass als Vorschubantrieb (30) ein Hydraulikmotor verwendet wird und dass die Regelung der Vorschubgeschwindigkeit durch eine Regelung einer Durchflussmenge von Hydraulikfluid durch den Hydraulikmotor bewirkt wird. - Verfahren nach einem der Ansprüche 1 bis 8,
dadurch gekennzeichnet, dass mindestens zwei, insbesondere drei Bohrgestänge (10) unmittelbar nebeneinander angeordnet werden, dass die mindestens zwei Bohrgestänge (10) gleichzeitig in Rotation versetzt werden und dass die mindestens zwei Bohrgestänge (10) gleichzeitig mit gleicher Vorschubgeschwindigkeit in den Bodenbereich (1) eingefahren werden. - Verfahren nach Anspruch 9,
dadurch gekennzeichnet, dass die Drehzahl von außenliegenden Bohrgestängen (10) ermittelt wird. - Verfahren nach einem der Ansprüchen 1 bis 10,
dadurch gekennzeichnet, dass das Werkzeug (11) Bohrschneiden, Bohrwendeln und/oder Mischpaddel aufweist. - Verfahren nach einem der Ansprüche 1 bis 11,
dadurch gekennzeichnet, dass dieses beim Verdrängerbohren, Endlosschneckenbohren und/oder bei mixed-in-place-Verfahren zur Herstellung von Gründungselementen verwendet wird. - Vorrichtung zur Bodenbearbeitung gemäß einem Verfahren nach einem der Ansprüche 1 bis 12 miteinem Bohrgestänge (10), an dem mindestens ein Werkzeug (11) angebracht ist,einem Drehantrieb (20) zum drehbaren Antreiben des Bohrgestänges (10),einem Vorschubantrieb (30) zum Einfahren des Bohrgestänges in einen Bodenbereich (1) undeiner Steuereinrichtung (40) zur Steuerung einer Drehzahl des Bohrgestänges (10).
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10320662 | 2003-05-08 | ||
DE10320662A DE10320662A1 (de) | 2003-05-08 | 2003-05-08 | Verfahren und Vorrichtung zur Bodenbearbeitung |
Publications (3)
Publication Number | Publication Date |
---|---|
EP1477633A2 true EP1477633A2 (de) | 2004-11-17 |
EP1477633A3 EP1477633A3 (de) | 2004-12-08 |
EP1477633B1 EP1477633B1 (de) | 2006-06-21 |
Family
ID=33016327
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP04009245A Expired - Fee Related EP1477633B1 (de) | 2003-05-08 | 2004-04-19 | Verfahren und Vorrichtung zur Bodenbearbeitung |
Country Status (4)
Country | Link |
---|---|
US (1) | US7134511B2 (de) |
EP (1) | EP1477633B1 (de) |
DE (2) | DE10320662A1 (de) |
ES (1) | ES2266949T3 (de) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10443306B2 (en) * | 2014-03-03 | 2019-10-15 | Hpm—Hydraulic Performance Machines Srl | Drilling machine with optimized tool unloading system |
US10350608B2 (en) | 2016-05-03 | 2019-07-16 | Vermeer Manufacturing Company | In-feed systems for chippers or grinders, and chippers and grinders having same |
WO2019036521A1 (en) | 2017-08-15 | 2019-02-21 | Vermeer Manufacturing Company | FEEDING SYSTEM FOR SHREDDERS OR SHREDDERS, AND SHREDDERS AND SHREDDERS HAVING SAME |
EP3698931A1 (de) * | 2019-02-20 | 2020-08-26 | Hilti Aktiengesellschaft | Hohlbohrervorrichtung mit einer anzeige und verfahren und system zur bestimmung und anzeige eines gütegrades für eine bohrlochreinigung |
EP3819434B1 (de) | 2019-11-06 | 2022-02-16 | BAUER Maschinen GmbH | Verfahren und schlitzwandfräsvorrichtung zum erstellen eines frässchlitzes im boden |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3962879A (en) * | 1973-05-03 | 1976-06-15 | Turzillo Lee A | Reinforced pile in earth situs and method of producing same |
GB2010361A (en) * | 1977-12-14 | 1979-06-27 | Bover K | Method and Apparatus for Producing Slit Walls in the Ground |
FR2642791A1 (fr) * | 1989-02-08 | 1990-08-10 | Soletanche | Dispositif de mesure de parametres de forage |
EP0517329A1 (de) * | 1991-06-05 | 1992-12-09 | Jean-Marie Labrue | Hohler Schneckenbohrer zur Herstellung von Ortbetonpfähler, und Bohrvorrichtung mit mindestens zwei dieser Schneckenbohrer |
US6116819A (en) * | 1995-07-31 | 2000-09-12 | Kvaerner Cementation Fondations Ltd. | Auger piling |
DE19924200A1 (de) * | 1999-05-27 | 2000-11-30 | Tracto Technik | Drehzahl-Vorschubregelung |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2005889A (en) * | 1932-11-12 | 1935-06-25 | Westinghouse Electric & Mfg Co | Automatic drilling system for rotary drilling equipment |
US2455917A (en) * | 1946-02-09 | 1948-12-14 | Shell Dev | Drilling control system |
US3155171A (en) * | 1963-07-15 | 1964-11-03 | Ingersoll Rand Co | Feed control means for down-the-hole rock drill rigs |
US4354233A (en) * | 1972-05-03 | 1982-10-12 | Zhukovsky Alexei A | Rotary drill automatic control system |
DE19708997C2 (de) * | 1997-03-05 | 2002-08-29 | Terra Ag Fuer Tiefbautechnik S | Vorrichtung zur Steuerung des Vorschubantriebes einer zum Erzeugen von Erdbohrungen bestimmten Bohranlage |
US6637522B2 (en) * | 1998-11-24 | 2003-10-28 | J. H. Fletcher & Co., Inc. | Enhanced computer control of in-situ drilling system |
US6293359B1 (en) * | 2000-06-05 | 2001-09-25 | Cubex Limited | Pressure control of a drilling apparatus |
-
2003
- 2003-05-08 DE DE10320662A patent/DE10320662A1/de not_active Withdrawn
-
2004
- 2004-04-19 DE DE502004000803T patent/DE502004000803D1/de not_active Expired - Lifetime
- 2004-04-19 EP EP04009245A patent/EP1477633B1/de not_active Expired - Fee Related
- 2004-04-19 ES ES04009245T patent/ES2266949T3/es not_active Expired - Lifetime
- 2004-05-05 US US10/838,302 patent/US7134511B2/en active Active
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3962879A (en) * | 1973-05-03 | 1976-06-15 | Turzillo Lee A | Reinforced pile in earth situs and method of producing same |
GB2010361A (en) * | 1977-12-14 | 1979-06-27 | Bover K | Method and Apparatus for Producing Slit Walls in the Ground |
FR2642791A1 (fr) * | 1989-02-08 | 1990-08-10 | Soletanche | Dispositif de mesure de parametres de forage |
EP0517329A1 (de) * | 1991-06-05 | 1992-12-09 | Jean-Marie Labrue | Hohler Schneckenbohrer zur Herstellung von Ortbetonpfähler, und Bohrvorrichtung mit mindestens zwei dieser Schneckenbohrer |
US6116819A (en) * | 1995-07-31 | 2000-09-12 | Kvaerner Cementation Fondations Ltd. | Auger piling |
DE19924200A1 (de) * | 1999-05-27 | 2000-11-30 | Tracto Technik | Drehzahl-Vorschubregelung |
Also Published As
Publication number | Publication date |
---|---|
DE10320662A1 (de) | 2004-12-02 |
ES2266949T3 (es) | 2007-03-01 |
DE502004000803D1 (de) | 2006-08-03 |
US20040222017A1 (en) | 2004-11-11 |
EP1477633A3 (de) | 2004-12-08 |
US7134511B2 (en) | 2006-11-14 |
EP1477633B1 (de) | 2006-06-21 |
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