EP1632637A1 - Outil de travail du sol et procédé pour introduire un élément de travail dans le sol - Google Patents
Outil de travail du sol et procédé pour introduire un élément de travail dans le sol Download PDFInfo
- Publication number
- EP1632637A1 EP1632637A1 EP05016121A EP05016121A EP1632637A1 EP 1632637 A1 EP1632637 A1 EP 1632637A1 EP 05016121 A EP05016121 A EP 05016121A EP 05016121 A EP05016121 A EP 05016121A EP 1632637 A1 EP1632637 A1 EP 1632637A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- piston
- working element
- housing
- soil
- vibrations
- 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
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B7/00—Special methods or apparatus for drilling
- E21B7/24—Drilling using vibrating or oscillating means, e.g. out-of-balance masses
Definitions
- the invention relates to a cultivator for introducing a working element in the ground using vibrations, with a vibration generator, which is designed for generating and transmitting vibrations to the working element.
- the invention further relates to a method for introducing a working element into the ground, in which vibrations are generated and transmitted to the working element during its introduction into the ground.
- the waves carrying the imbalances must be dimensioned correspondingly large to minimize deflection, resulting in a corresponding size of such a Rüttelzelle. Due to the heavy mechanical load, the gears must be manufactured with high strength and surface quality. Furthermore, the life of the bearings is limited by the strong dynamic load.
- a percussion hammer with a hydraulically driven percussion piston is known.
- the percussion piston is mounted linearly displaceable in a piston housing, in which open control lines for supply and discharge of hydraulic fluid.
- the hydraulic fluid is supplied and removed in a controlled manner via these lines, so that the percussion piston is set in an oscillating motion.
- the percussion piston points with its impact surface out of the piston housing. Due to the oscillating movement of the Impact pistons may be impacted to a back end of a drill string via the impact surface so that percussion drilling can be performed.
- the invention has for its object to provide a harrow and a method for introducing a working element in the ground, in which vibrations effectively and as gently as possible be transferred to the working element.
- the soil cultivation device is characterized in that the vibration generator has at least one oscillating piston which is mounted in a housing linearly displaceable and spaced from the working element, the oscillating piston is driven to oscillate in order to generate vibrations and that the vibrations can be transmitted to the working element via the housing.
- a basic idea of the invention can be seen in arranging the oscillatingly driven piston in a closed housing.
- the vibration transmission takes place indirectly via the housing.
- Unlike a hydraulic percussion hammer creates no impact contact between metal parts, so that in the invention significantly less noise is given.
- the inertia of the mass to be accelerated within the vibrator is inherently very low, so that a possible resonance range can be traversed comparatively very quickly.
- Rotatable components and vulnerable seals between housing and piston can be omitted.
- the components used are simple and robust, so that they are very well suited for site conditions.
- the device can be made very compact overall.
- a particularly high vibration energy can be generated according to the invention in that the oscillating piston is hydraulically driven.
- a hydraulic pressure generator is located on most civil engineering machines, which are used for earth or rock processing.
- the oscillating piston has a first piston surface and a second piston surface, of which at least one with changing Pressure is applied.
- an almost arbitrary oscillating movement of the oscillating piston can be set, which preferably has a sinusoidal, harmonic path-time profile.
- the pressurization can be effected by an equal high pressure, which is alternately exerted on the opposite piston surfaces.
- a constant pressure can be exerted on a piston surface, while an up-and-down pressure is exerted on the opposite piston surface in order to generate the oscillating movement of the oscillating piston.
- the size of the two piston surfaces can be identical. Depending on the adjustable pressure ratios, however, a different area ratio of the two piston surfaces, approximately 2: 1 can be provided. This allows an even freer adjustment of the oscillation behavior of the oscillating piston.
- a simple and robust control according to the invention can take place in that the oscillating piston is designed as a primary control piston, with which the alternating pressurization is controllable. The control is done so to speak "own excited".
- the oscillating piston is formed with control edges, which form the function of a first control piston. Depending on the position of the oscillating piston can thus be carried out an automatic reversal of the pressurization.
- Such control of an oscillating piston is already known in principle from the operation of the percussion piston in the hydraulic impact hammers of the prior art.
- a control device is provided, with which the movement of the oscillating piston is controllable.
- a control device which may have, for example, an outer control valve, the control of the oscillating piston is, so to speak, "foreign-excited".
- the control device comprises an electronic control unit for controlling or regulating the supply and discharge of the pressurized fluid in order to set a desired oscillation behavior of the oscillating piston.
- the control device can also have a secondary control piston, by which a pressure fluid is switched alternately.
- the working element may be according to the invention, a sheet pile or a pile, which is rammed directly into the ground.
- the housing of the vibration generator is fastened to a tensioning device for holding the working element.
- the generated vibration can be transmitted via the housing and the clamping device directly to the working element.
- the housing of the vibrator is arranged on a drive housing of a drill drive and that the working element is designed as a drilling tool.
- the housing of the vibrator is arranged on a drive housing of a drill drive and that the working element is designed as a drilling tool.
- the processing element has a carriage for receiving the working element, which is movably mounted on a guide.
- a carriage for receiving the working element which is movably mounted on a guide.
- an additional force can be exerted on the working element via the carriage in order to drive this into the ground.
- the force for driving the working element into the ground can be applied solely by the oscillatory movements in combination with the weight of the working element and the associated carriage.
- the carriage may be guided on a mast or broker, which is attached, for example, to a superstructure of a construction vehicle.
- a particularly low-vibration arrangement is inventively achieved in that the working element is mounted elastically relative to the carriage.
- an elastic bearing may be provided on the clamping device or the drill drive.
- the working element is suspended elastically on the carriage via the housing of the vibration generator. This ensures that the vibrations are transmitted largely undisturbed on the working element, while the carriage and the associated parts of the processing device remain as free of vibration.
- the oscillating piston has a through bore.
- the through bore allows quick venting of the cylinder chambers.
- the inventive method is characterized in that the vibrations with at least one oscillating piston be produced, which is linearly displaceable in a housing and spaced from the working element, that the oscillating piston is driven to oscillate oscillating and that the vibrations are transmitted through the housing to the working element.
- This method can be carried out in particular by the previously described soil cultivation device according to the invention, with the advantages described above resulting.
- Underground is not only the soil but also rocks, for example, by rock walls to understand.
- the vibration generation can be generated with one or more oscillating piston, which are connected in parallel.
- This method is inventively further developed in that a drilling tool is used as the working element, which is driven in rotation, and that the vibrations are transmitted in the drilling direction to the drilling tool. Due to the oscillation of the drill string according to the invention, the frictional forces in the interface with the surrounding soil can be reduced. This leads to a considerably faster drilling progress.
- the use of the method according to the invention is particularly advantageous when overlay drilling light overlay floors where the impact of a conventional hydraulic chamber is hardly useful.
- a tracked vehicle 12 with an operating unit 14 is provided. Via a lever mechanism 16, a mast 18 can be brought into a desired position, in which this can be placed with a provided at the lower end clamping and release device 17 on the soil to be processed.
- the mast 18 has a linear guide 19, along which a carriage 20 is movable via a drive, not shown.
- a drill drive 60 is fixed, which can drive a designed as a drill pipe work element 5 rotating.
- a vibration generator 40 is mounted, with which generates vibrations according to the invention and can be transmitted during drilling over the drill drive 60 to the working element 5.
- Fig. 2 the drill drive 60 is shown with the vibration generator 40 in an enlarged view.
- the carriage 20 which is mounted linearly displaceable on the guide 19 of the mast 18.
- the working element 5 designed as a drill rod is rotationally driven about the drilling axis 7 via a gear transmission.
- a housing 44 of the vibrator 40 is flanged to the drive housing 62.
- the housing 44 consists of a base housing 45, which is closed by a cover 46.
- the housing 44 encloses a cylinder space in which a oscillating piston 42 is mounted linearly displaceable along a piston axis 43.
- the piston axis 43 is aligned with the drilling axis 7 of the working element 5 to be driven.
- the oscillating piston 42 has two cylindrical shoulders which, at their outer sides facing the free ends, form a first piston surface 48 and a second piston surface 49, respectively.
- the two piston surfaces 48, 49 in each case close off an adjacent pressure chamber, into which a pressure fluid can be alternately supplied and removed via pressure lines in order to set the oscillating piston 42 into a desired oscillating or reversing linear movement.
- a control device 30 is provided with an additional control piston 32 in the illustrated embodiment, which with the leading into the cylinder chamber control lines and the oscillating piston 42 provided control edges a own excited Pressure change causes.
- Such a self-excited control of an oscillating piston is already known in principle from the prior art in hydraulic hammers, so that this control does not need to be described in detail.
- FIG. 3 shows an alternate form of the vibrator 40 of FIG. 2. While the first piston surface 48 and the second piston surface were the same in the vibrator 40 of FIG. 2, in the embodiment of FIG. 3, the second piston surface 49 is twice as large In addition, only two pressure lines 1 and 2 open into the housing 44.
- the control device may be electrically or hydraulically actuated valves, which are not shown in greater detail.
- the embodiment of Fig. 3 is formed according to the embodiment of Fig. 2.
- the embodiment in FIG. 3 can also be set in self-excited oscillations with the control shown in FIG.
- the pressure profile at the pressure ports 1 and 2 is shown schematically.
- a constant pressure can be applied to the pressure port 1
- a changing over time Pressure is applied, so that the desired oscillating movement of the oscillating piston 42 is generated.
- a vibration of the housing 44 is effected, which transmits to the drive housing 62 via the annular, coaxial to the piston axis contact surface.
- the vibrations are transmitted to the working element 5, so a rotational movement of a drill string with axial vibrations can be superimposed.
- a vibration generator 40 is used, as has already been described in the embodiment of FIG. 2.
- the vibration generator 40 is rigidly connected to a tensioning device 50 via a flange element 22.
- the tensioning device 50 is designed to hold a sheet pile screed. Attached to a vertically movable carriage can be rammed or shaken by means of the processing device 10 shown a sheet pile wall in the ground.
- a preferred suspension of the vibrator 40 on the carriage 20 is shown.
- a housing 24 is fixed, in which the vibration generator 40 is suspended elastically via rubber bearings 26.
- the rubber bearings 26 are formed with a metallic inner and a metallic outer attachment. Between these two metallic, preferably annular fasteners is an elastic rubber compound, which avoids excessive transmission of vibrations from the vibrator 40 to the housing 24 and the carriage 20 connected thereto. This ensures that the majority of the vibration energy can be transferred to the work element 5 to be introduced into the soil.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102004042369A DE102004042369A1 (de) | 2004-09-01 | 2004-09-01 | Bodenbearbeitungsgerät und Verfahren zum Einbringen eines Arbeitselementes in den Boden |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1632637A1 true EP1632637A1 (fr) | 2006-03-08 |
EP1632637B1 EP1632637B1 (fr) | 2007-10-03 |
Family
ID=35219453
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP05016121A Not-in-force EP1632637B1 (fr) | 2004-09-01 | 2005-07-25 | Outil de travail du sol et procédé pour introduire un élément de travail dans le sol |
Country Status (5)
Country | Link |
---|---|
US (1) | US7422073B2 (fr) |
EP (1) | EP1632637B1 (fr) |
AT (1) | ATE374878T1 (fr) |
DE (2) | DE102004042369A1 (fr) |
ES (1) | ES2294603T3 (fr) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7770668B2 (en) | 2008-09-26 | 2010-08-10 | Longyear Tm, Inc. | Modular rotary drill head |
US8118113B2 (en) | 2009-03-26 | 2012-02-21 | Longyear Tm, Inc. | Hydraulic control system for drilling systems |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1795697B1 (fr) * | 2005-12-09 | 2009-06-03 | BAUER Maschinen GmbH | Dispositif pour le travail du sol |
SE529619C2 (sv) * | 2006-02-22 | 2007-10-09 | Atlas Copco Rock Drills Ab | Anordning vid bergborrning |
US20080000662A1 (en) * | 2006-06-30 | 2008-01-03 | Tyer Robert C | Chain driven reciprocating hammer with automatic work piece input centering and clamping |
US20080129029A1 (en) * | 2006-12-05 | 2008-06-05 | Holte Ardis L | Extensible equipment mast |
US7640998B2 (en) * | 2007-03-06 | 2010-01-05 | Howell Jr Richard L | Excavation apparatus |
NZ554256A (en) * | 2007-03-29 | 2009-11-27 | Flexidrill Ltd | Drive vibrational drilling |
SE532413C2 (sv) * | 2008-05-09 | 2010-01-12 | Atlas Copco Rock Drills Ab | Mataranordning |
US7905299B2 (en) * | 2008-09-18 | 2011-03-15 | Longyear Tm, Inc. | Articulation assembly for moving a drill mast |
US8096733B2 (en) * | 2009-07-10 | 2012-01-17 | Hercules Machinery Corporation | Apparatus for inserting sheet pile having an independently adjustable insertion axis and method for using the same |
US9394664B2 (en) * | 2013-03-12 | 2016-07-19 | Brooke Erin Desantis | Hydraulic breaker hammer casing assembly for pile driving |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2672322A (en) * | 1953-12-14 | 1954-03-16 | Jr Albert G Bodine | Sonic earth boring drill |
US3096833A (en) * | 1960-02-01 | 1963-07-09 | Albert G Bodine | Sonic earth boring drill with jacket |
US3786874A (en) * | 1971-04-30 | 1974-01-22 | Etat Fr Labor Central Des Pont | Universal drilling machine |
US4155287A (en) * | 1977-11-30 | 1979-05-22 | Hydroacoustics Inc. | Hydraulically operated impact devices |
US4601349A (en) * | 1982-02-06 | 1986-07-22 | Ihc Holland Nv | Hydraulic pile driver |
EP0824971B1 (fr) | 1996-08-14 | 1999-06-09 | Bauer Spezialtiefbau GmbH | Générateur de vibrations |
WO2004009298A1 (fr) * | 2002-07-24 | 2004-01-29 | Bantry Limited | Appareil de forage ultrasonore |
DE10237407A1 (de) | 2002-08-16 | 2004-04-22 | Eurodrill Gmbh | Hydraulischer Schlaghammer mit Leerschlagabschaltung |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3146835A (en) * | 1962-12-17 | 1964-09-01 | Horn Pile & Foundation Corp | Hammer for driving piles by impact or by vibrating action |
US3371726A (en) * | 1965-05-24 | 1968-03-05 | Gen Dynamics Corp | Acoustic apparatus |
US3774502A (en) * | 1971-05-14 | 1973-11-27 | Krupp Gmbh | Hydraulic percussion device with pressure-responsive control of impact frequency |
US4056123A (en) * | 1973-09-26 | 1977-11-01 | Nihon Spindle Seizo Kabushiki Kaisha | Hydraulic oscillator |
US3945442A (en) * | 1974-10-07 | 1976-03-23 | Chicago Pneumatic Tool Company | Hydraulic rock drill with stroke responsive advance |
DE2732934C2 (de) * | 1977-07-21 | 1985-09-12 | Bomag-Menck GmbH, 5407 Boppard | Verfahren und Vorrichtung zum Rammen und Ziehen |
GB2060742B (en) * | 1979-10-12 | 1983-05-25 | Sanwa Kizai Co Ltd | Driving sheet piles |
ATE31334T1 (de) * | 1983-09-19 | 1987-12-15 | Simson & Partner | Vorrichtung zum rammen und ziehen. |
FR2575792A1 (fr) * | 1985-01-09 | 1986-07-11 | Eimco Secoma | Amplificateur de pression hydraulique |
DE3913866A1 (de) * | 1989-04-27 | 1990-10-31 | Krupp Maschinentechnik | Hydraulisches schlagwerk |
JPH08281571A (ja) * | 1995-04-14 | 1996-10-29 | Komatsu Ltd | 振動発生装置 |
-
2004
- 2004-09-01 DE DE102004042369A patent/DE102004042369A1/de not_active Ceased
-
2005
- 2005-07-25 AT AT05016121T patent/ATE374878T1/de not_active IP Right Cessation
- 2005-07-25 ES ES05016121T patent/ES2294603T3/es active Active
- 2005-07-25 EP EP05016121A patent/EP1632637B1/fr not_active Not-in-force
- 2005-07-25 DE DE502005001606T patent/DE502005001606D1/de active Active
- 2005-08-31 US US11/214,804 patent/US7422073B2/en not_active Expired - Fee Related
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2672322A (en) * | 1953-12-14 | 1954-03-16 | Jr Albert G Bodine | Sonic earth boring drill |
US3096833A (en) * | 1960-02-01 | 1963-07-09 | Albert G Bodine | Sonic earth boring drill with jacket |
US3786874A (en) * | 1971-04-30 | 1974-01-22 | Etat Fr Labor Central Des Pont | Universal drilling machine |
US4155287A (en) * | 1977-11-30 | 1979-05-22 | Hydroacoustics Inc. | Hydraulically operated impact devices |
US4601349A (en) * | 1982-02-06 | 1986-07-22 | Ihc Holland Nv | Hydraulic pile driver |
EP0824971B1 (fr) | 1996-08-14 | 1999-06-09 | Bauer Spezialtiefbau GmbH | Générateur de vibrations |
WO2004009298A1 (fr) * | 2002-07-24 | 2004-01-29 | Bantry Limited | Appareil de forage ultrasonore |
DE10237407A1 (de) | 2002-08-16 | 2004-04-22 | Eurodrill Gmbh | Hydraulischer Schlaghammer mit Leerschlagabschaltung |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7770668B2 (en) | 2008-09-26 | 2010-08-10 | Longyear Tm, Inc. | Modular rotary drill head |
US8118118B2 (en) | 2008-09-26 | 2012-02-21 | Longyear Tm, Inc. | Modular rotary drill head |
US8118113B2 (en) | 2009-03-26 | 2012-02-21 | Longyear Tm, Inc. | Hydraulic control system for drilling systems |
US8172002B2 (en) | 2009-03-26 | 2012-05-08 | Longyear Tm, Inc. | Methods of controlling hydraulic motors |
US8408328B2 (en) | 2009-03-26 | 2013-04-02 | Longyear Tm, Inc. | Methods of controllling hydraulic motors |
Also Published As
Publication number | Publication date |
---|---|
US20060042811A1 (en) | 2006-03-02 |
EP1632637B1 (fr) | 2007-10-03 |
DE102004042369A1 (de) | 2006-07-13 |
ES2294603T3 (es) | 2008-04-01 |
DE502005001606D1 (de) | 2007-11-15 |
ATE374878T1 (de) | 2007-10-15 |
US7422073B2 (en) | 2008-09-09 |
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