EP2204500B1 - Aushubmaschine mit schwenkbarem Kellygestänge - Google Patents

Aushubmaschine mit schwenkbarem Kellygestänge Download PDF

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Publication number
EP2204500B1
EP2204500B1 EP09180862.6A EP09180862A EP2204500B1 EP 2204500 B1 EP2204500 B1 EP 2204500B1 EP 09180862 A EP09180862 A EP 09180862A EP 2204500 B1 EP2204500 B1 EP 2204500B1
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EP
European Patent Office
Prior art keywords
bar
mast
carriage
excavation
holder member
Prior art date
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Active
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EP09180862.6A
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English (en)
French (fr)
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EP2204500A1 (de
Inventor
Philippe Chagnot
Laurent Pivert
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Soletanche Freyssinet SA
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Soletanche Freyssinet SA
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Publication of EP2204500A1 publication Critical patent/EP2204500A1/de
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Classifications

    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D13/00—Accessories for placing or removing piles or bulkheads, e.g. noise attenuating chambers
    • E02D13/04—Guide devices; Guide frames
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D17/00—Excavations; Bordering of excavations; Making embankments
    • E02D17/13—Foundation slots or slits; Implements for making these slots or slits
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D7/00—Methods or apparatus for placing sheet pile bulkheads, piles, mouldpipes, or other moulds
    • E02D7/02—Placing by driving
    • E02D7/06—Power-driven drivers
    • E02D7/14—Components for drivers inasmuch as not specially for a specific driver construction
    • E02D7/16—Scaffolds or supports for drivers
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B19/00—Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables
    • E21B19/08—Apparatus for feeding the rods or cables; Apparatus for increasing or decreasing the pressure on the drilling tool; Apparatus for counterbalancing the weight of the rods
    • E21B19/083—Cam, rack or like feed mechanisms

Definitions

  • the present invention relates to the field of soil excavation including the technology of mixing in situ excavated soil with a binder.
  • the present invention therefore does not relate to the field of machines for driving piles of the type illustrated in FIG. JP 2003-013449 .
  • This machine allows in particular to implement the technique of "soil-mixing" which consists of executing successive panels by mixing in situ the cut soil of the trench with cement or more generally a binder, the soil / binder mixture forming the wall .
  • This technique is particularly used for the realization of retaining walls or sealing screens.
  • This machine can also make walls buried in the ground of the molded walls type. This consists in successively carrying out in the soil, using such an excavating machine, trench portions and filling the trench thus produced with a cement or a concrete.
  • the carriage slides along the mast from its upper end to its lower end.
  • the stroke of the carriage substantially corresponds to the length, or height, of the mast. Since the bar, most often called “kelly” by those skilled in the art, is held in the carriage, it is understood that the kelly stroke is also substantially equal to the height of the mast. It follows therefore that this machine is suitable for making trench portions whose depth is at best equal to the height of the mast.
  • the depth of excavation of this machine is limited by the height of the mast.
  • An object of the invention is to provide an excavating machine to easily lift the bar when it is longer than the mast.
  • the invention achieves its goal with a machine as defined in claim 1.
  • the lifting of the bar can be done in the following way: starting from a position where the bar is placed on the ground being substantially horizontal, that is to say substantially perpendicular to the mast , the bar opposite the first end is engaged in the first holding member, then the first holding member before bringing the carriage, integral with the bar, towards an upper end of the mast.
  • the first holding member is rotatable relative to the carriage
  • the raising of the bar is accompanied by the recovery of the bar by pivoting to a substantially vertical position.
  • the bar pivots naturally relative to the carriage during the displacement of the latter, due to the force of gravity acting on said bar.
  • the excavation machine allows the implementation of other lifting methods of the bar, some of which will be defined below, precisely when the bar is longer than the mast.
  • the first holding member is pivotable about an axis of rotation orthogonal to the longitudinal direction of the mast, whereby the rotation of the bar during its lifting is in a substantially vertical plane.
  • the axis of rotation is orthogonal to an excavation plane.
  • This excavation plane is defined as the substantially vertical plane in which the trench portion excavated by the excavation tool extends.
  • the bar is slidable in the first holding member when the latter is in the unlocked position.
  • the second holding member advantageously allows to lock the bar relative to the mast when the first holding member is unlocked, for example during the movement of the latter along the mast.
  • the second holding member is used after the bar has been brought into the vertical position, that is to say that the rod is engaged in the second holding member when in the vertical position.
  • the bar is slidable in the second holding member when the latter is in the unlocked position. It follows that the first and second holding members also constitute guide means in vertical translation for the bar.
  • the excavation tool comprises at least one hydraulic motor and the machine further comprises at least a first hydraulic pipe connecting the carriage and the hydraulic motor via a second end of the bar opposite the first end, while moving to the inside of the bar, as well as at least a second hydraulic pipe connecting the carriage and a hydraulic connection fixed substantially at mid-length of the mast, said coupling being for its part intended to be connected to a source of hydraulic power for the power supply of the hydraulic motor.
  • first and second hydraulic lines allow the hydraulic motor to be supplied with hydraulic energy: the hydraulic energy is in fact sent to the motor by the energy source successively via the hydraulic connection, the second hydraulic line. and the first hydraulic line.
  • a return hydraulic circuit is also preferably provided.
  • the second hydraulic line must be long enough for the carriage remains connected to the hydraulic connection regardless of the position of the carriage along the mast.
  • first hydraulic pipe must be long enough for the carriage remains connected to the second end of the bar during the lifting of the latter and, of course, when the bar has reached its vertical position.
  • the hydraulic lines can be connected while the bar is in its lowered position substantially perpendicular to the mast. In this position, the assembly of the hydraulic lines is much more easier than in the prior art where operators had to intervene in height.
  • the excavation tool is a milling cutter.
  • the excavation tool allows both excavation and soil mixing with a binder that can be fed into the trench via a tube extending into the bar.
  • the excavation machine according to the invention is preferably a soil-mixing type machine.
  • the present invention further relates to a first method of lifting a bar of an excavating machine according to the invention, said bar having a length substantially greater than the length of the mast, in which process, starting from a position in which the bar is almost perpendicular to the mast, the excavation tool being placed on the ground, the bar is brought into a position substantially parallel to the mast by moving the mobile chassis of the excavating machine towards the excavation tool , the excavation tool remaining stationary, while the first holding member is in the unlocked state.
  • the first method of the invention further comprises a step in which the first end of the bar engages in the second holding member after the carriage has reached the second end of the mast.
  • the bar recovers by pivoting from its substantially horizontal position. Simultaneously, the carriage moves, naturally or mechanically, to the second end of the mast. In this method, it is understood that the bar recovers while sliding in the first holding member.
  • the present invention further relates to a second method of lifting a bar of an excavating machine according to the invention, said bar again having a length substantially greater than the length of the mast, in which process, starting from a position in which the bar is almost perpendicular to the mast, the bar is brought into a position substantially parallel to the mast by moving the carriage from a first end of the mast to a second end of the mast opposite the first end, the bar being blocked by relative to the first holding member.
  • the bar is kept locked with respect to the first holding member.
  • the truck must therefore be secured to the bar at a distance from the first end of the bar which is at most equal to the height of the mast.
  • the second method defined above further comprises a step during which the first end of the bar engages in the second holding member after the carriage has reached the second end of the mast.
  • the mast has a first end which carries a second holding member adapted to receive and hold the bar relative to the mast, said second holding member having a locked state in which the bar is locked relative to the mast and an unlocked state in which the bar is free to move relative to the mast.
  • the first end of the bar is engaged in the second retaining member at the end of the lifting step, while during the first depressing step, the second retaining member is in the unlocked state. and, at the end of the first driving step, a step of locking the second holding member is performed in order to lock the bar relative to the mast.
  • the excavation tool is brought into its maximum driving position, namely the second driving position, in two steps.
  • the excavation tool is in fact first brought into its first driving position before being brought into its second driving position corresponding to the maximum driving depth.
  • the total depth of penetration of the excavating tool is not therefore limited to the length of the mast.
  • this method further comprises a step of raising the excavation tool, which is carried out after the second step of driving, in order to extract the excavation tool from the trench that has just been excavated.
  • This recovery step is advantageously done in at least two stages.
  • the excavating machine 10 shown on the figure 1 comprises a mobile frame 12 on which is mounted a mast 14 having a longitudinal direction, the latter being in this case vertical.
  • the excavating machine 10 further comprises a carriage 16 movable in the longitudinal direction of the mast, able to move, in this case vertically, between a first end 14a of the mast, its lower end, and a second end 14b of the mast, its upper end.
  • the carriage 16 is intended to move vertically a bar 18 , a first end 18a is provided with an excavation tool 20.
  • the means used to move the carriage 16 along the mast being well known to those skilled in the art, they are not described here.
  • This bar 18 is commonly called “kelly” by those skilled in the art so that in the following description we will use bar or kelly to design this element.
  • the excavation tool 20 is here constituted by a strawberry for soil mixing of the type known per se. More specifically, the excavation tool comprises two rotary tools 20a, 20b designed to rotate about horizontal parallel axes during excavation operations. These rotary tools 20a, 20b, actuated by hydraulic motors 22, 24, allow both the cutting of the soil to produce a substantially vertical trench portion, corresponding to the wall to be made, and the mixture of the ground cut with binder or cement.
  • the kelly 18 extends vertically, substantially parallel to the mast 14, as shown in FIG. figure 5 .
  • the carriage 16 is able to move the kelly in the longitudinal direction of the mast 14.
  • the carriage 16 comprises a first holding member 26 for holding the kelly 18 relative to the carriage 16.
  • the first holding member 26 enables secure the kelly bar 18 to the carriage 16, the latter can then exert a downward vertical thrust on the kelly bar 18 to push the excavation tool 20 in the soil to make the trench portion.
  • the kelly bar 18 has a length greater than that of the mast 14, in this case in the example shown here the length of the kelly bar 18 is about 30% larger than the mast 14.
  • the first holding member 26 is rotatable relative to the carriage 16.
  • the first holding member 26 can rotate freely relative to the carriage 16.
  • the first holding member is able to pivot about an axis of rotation A which is orthogonal to the longitudinal direction of the mast 14 .
  • This axis A is also orthogonal to an excavation plane P , corresponding to the vertical plane in which the trench portion excavated by the excavation tool 20 extends .
  • the first holding member 26 has a locked state, shown in FIG. figure 2 , in which the bar 18 is locked in translation relative to the carriage 16, and an unlocked state in which the bar 18 is free to move in translation relative to the carriage 16, shown in FIG. figure 7 .
  • the kelly 18 is slidable in the first holding member when the latter is in the unlocked position. It is thus understood that in the unlocked state, the carriage 16 is also free to move in the longitudinal direction of the bar 18 .
  • the first holding member comprises fingers 28,30 actuated by jacks 32,34. These fingers 28,30 can pivot to become housed transversely in orifices 36 formed along the longitudinal edges of the kelly 18. It is therefore understood that in the locked state, the fingers 28,30 are introduced into the orifices 36, thanks to the kelly 18 is locked in translation, while in the unlocked state, the fingers 28,30 are retracted out of the orifices so that they do not oppose the translational movement of the kelly 18 relative to the carriage 16 .
  • the first holding member 26 comprises a holding bridge 38 provided with at least one roller 40, extending transversely with respect to the longitudinal direction of the bar, in order to prevent the kelly 18 from disengaging from the first holding member 26.
  • the roll 40 is replaced by a wear plate.
  • the first end 14a of the mast 14 carries a second holding member 42 , visible on the figures 2 and 7 , which is adapted to receive and hold the kelly bar 18 relative to the mast 14, after which the kelly bar 18 has been brought into a vertical position.
  • the second holding member 42 is integral with the mast and does not rotate, unlike the first holding member 26.
  • the second holding member 42 has a locked state ( figure 7 ) in which the bar 18 is locked relative to the mast 14 and an unlocked state in which the bar 18 is free to move relative to the mast 14. More specifically, when the second holding member is in the unlocked position, the bar 18 is free to slide vertically in the latter.
  • the second holding member 42 also has fingers 44, 46 for cooperating with the aforementioned orifices 36 , so as to block the kelly 18 relative to the mast 14.
  • the second holding member 42 includes a removable bridge 48 for opening the second holding member to house the bar 18.
  • the bar 18 has a length greater than that of the mast 14.
  • the excavation tool 20 is placed on the ground.
  • the bar 18 is first engaged in the first holding member 26, so that the distance between the carriage 16 and the excavating tool 20 is at most equal to the height of the mast 14, the first member holding 26 is then unlocked.
  • the bar 18 is locked relative to the first holding member 26, preferably by locking the first holding member 26.
  • the first end 18a of the kelly 18 is engaged in the second holding member 42 by opening the removable bridge 48.
  • the kelly 18 can be maintained by the second holding member 42 as shown in the partial view of the figure 7 .
  • the figure 8 Will now be described another method of raising the bar 18, according to the invention.
  • this method also starts from a position where the kelly 18 is almost perpendicular to the mast 14, that is to say substantially horizontal, the excavation tool 20 being placed on the ground while remaining stationary .
  • the kelly 18 is brought into a position substantially parallel to the mast 14 by moving the frame (12) of the machine 10 towards the excavation tool, according to the arrow F1, while the first holding member 26 is in the unlocked state, so as to allow the kelly 18 to slide in the first holding member 26.
  • the two methods described above are combined, that is to say the carriage is raised towards the upper end of the mast while moving the frame (12) of the machine towards the tool of drilling.
  • the carriage 16 After lifting the kelly 18 in a vertical position, in particular according to one or the other of the abovementioned methods, the carriage 16 is positioned at the upper end 14b of the mast 14, as shown in FIG. figure 9 . After that, the first end 18a of the kelly 18 is engaged in the second holding member 42 by opening the bridge 48.
  • a first step of driving the excavation tool 20 into the ground is carried out, a step during which the first holding member 26 is locked , so that the kelly 18 is secured to the carriage 16. the carriage 16 (by thrust means not shown here) towards the lower end 14a of the mast 14, so as to bring the tool into a first visible driving position on the figure 10 , being specified that during this step, the second holding member 42 is unlocked.
  • the depth P1 reached by the excavating tool 20 in its first depression position corresponds substantially to the height of the mast 14.
  • the carriage 16 is positioned at the second end 14b of the mast 14, or at a height of the mast corresponding to the second end 18b of the kelly 18 if the latter is then at a height less than length of the mast 14, this after the first holding member 26 has been put in the unlocked state, while the excavating tool 20 remains in its first position of depression as shown on the figure 11 . It is understood that at this stage, the excavation tool 20, resting on the bottom wall of the trench, naturally remains in its first depression position. However, one can also choose to put the second retaining member 42 in its locked position to block the kelly relative to the mast while the carriage 16 moves to the second end 14b of the mast 14.
  • a second step of driving the excavation tool similar to the first driving step, is carried out.
  • the first holding member 26 is locked to the bar and the carriage is then moved towards the lower end 14a of the mast 14, the second holding member then being unlocked.
  • This second step of depression visible on the figure 12 , makes it possible to bring the excavation tool 20 into a second driving position at a depth P2.
  • the driving depth P2 of the excavating tool 20, which corresponds substantially to the length of the bar 18, is advantageously greater than the stroke of the carriage 16, namely the length of the mast 14 .
  • a step of raising the excavation tool (not shown here) in two steps reverses the deposition steps.
  • the excavating machine 10 comprises a first hydraulic pipe 50 connecting the carriage 16 and the hydraulic motors 22, 24 via a second end 18b of the kelly 18 while passing inside the kelly 18.
  • the inside of the kelly bar 18 is hollow so that a longitudinal duct 52 there can be placed between the second end 18b of the kelly 18 to 22,24 engines.
  • the first hydraulic pipe 50 is fixed to one end of a support 54 mounted on the carriage 16.
  • a second hydraulic pipe 56 connects the other end of the support 54 of the carriage 16 to a hydraulic connection 58 fixed substantially at mid-length of the mast 14.
  • This hydraulic connection 58 is meanwhile to be connected to a source of hydraulic energy (not shown here), also known.

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  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Civil Engineering (AREA)
  • Paleontology (AREA)
  • Structural Engineering (AREA)
  • Geology (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Earth Drilling (AREA)

Claims (11)

  1. Aushubmaschine (10), umfassend:
    - einen Mast (14), der eine Längsrichtung hat,
    - eine Stange (18), die eine Kellystange ist, die ein erstes Ende (14a) aufweist, das mit einem Aushubwerkzeug (20) versehen ist,
    - einen in Längsrichtung des Mastes (14) beweglichen Schlitten (16), umfassend ein erstes Halteelement (26), um die Stange (18) in Bezug zum Schlitten (16) zu halten,
    wobei die Aushubmaschine (10) derart ist, dass der Schlitten (16) geeignet ist, die Stange (18) in Längsrichtung des Mastes (14) zu verschieben, dass das erste Halteelement (26) ferner einen verriegelten Zustand, in dem die Stange (18) in Translation in Bezug zum Schlitten (16) festgestellt ist, und einen entriegelten Zustand aufweist, in dem sich die Stange (18) frei in Translation in Bezug zum Schlitten (16) verschieben kann, und dass die Stange (18) länger als der Mast (14) ist, dass der Mast (14) ein erstes Ende (14a) aufweist, das ein zweites Halteelement (42) trägt, das geeignet ist, die Stange (18) aufzunehmen und in Bezug zum Mast (14) zu halten, dass das zweite Halteelement (42) einen in Translation verriegelten Zustand, in dem die Stange (18) in Bezug zum Mast (14) in Längsrichtung des Mastes (14) festgestellt ist, und einen entriegelten Zustand aufweist, in dem sich die Stange (18) frei in Bezug zum Mast (14) verschieben kann, wobei sie in dem zweiten Halteelement (42) gleitet, wobei die Aushubmaschine (10) dadurch gekennzeichnet ist, dass das Aushubwerkzeug (20) zwei drehbare Elemente (20a, 20b) umfasst, die dazu vorgesehen sind, sich um horizontale parallele Achsen bei den Aushubvorgängen zu drehen, dass das erste Halteelement (26) in Bezug zum Schlitten (16) drehbar ist, und dass das erste Halteelement (26) geeignet ist, um eine Drehachse (A) orthogonal zur Längsrichtung des Mastes (14) zu schwenken.
  2. Aushubmaschine nach Anspruch 1, dadurch gekennzeichnet, dass die Drehachse (A) orthogonal zu einer Aushubebene (P) ist.
  3. Aushubmaschine nach einem der Ansprüche 1 bis 2, dadurch gekennzeichnet, dass die Stange (18) geeignet ist, in dem ersten Halteelement (26) zu gleiten, wenn dieses letztgenannte in der entriegelten Position ist.
  4. Aushubmaschine nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass das Aushubwerkzeug (20) mindestens einen Hydraulikmotor (22, 24) umfasst, und dass die Maschine (10) ferner mindestens eine erste Hydraulikleitung (50) umfasst, die den Schlitten (16) und den Hydraulikmotor über ein zweites Ende (18b) der Stange (18), das dem ersten Ende (18a) gegenüberliegt, verbindet, wobei sie innerhalb der Stange (18) verläuft, sowie mindestens eine zweite Hydraulikleitung (56) umfasst, die den Schlitten (16) und einen Hydraulikanschluss (58) verbindet, der im Wesentlichen auf halber Länge des Mastes (14) angeordnet ist, wobei der Anschluss (58) seinerseits dazu bestimmt ist, mit einer Hydraulikenergiequelle zur Versorgung des Hydraulikmotors (22, 24) verbunden zu werden.
  5. Aushubmaschine nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, dass das Aushubwerkzeug (20) eine Bodenmischfräse (20a, 20b) ist.
  6. Aushubmaschine nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, dass das zweite Halteelement (42) Finger (44, 46) umfasst, um mit Öffnungen (36) zusammenzuwirken, die entlang der Längsränder der Stange (18) ausgenommen sind, um die Stange (18) in Bezug zum Mast (14) festzustellen.
  7. Verfahren zum Heben einer Stange (18) einer Aushubmaschine (10) nach einem der Ansprüche 1 bis 6, wobei die Stange (18) eine wesentlich größere Länge als die Länge des Mastes (14) aufweist, wobei bei dem Verfahren ausgehend von einer Position, in der die Stange (18) gleichsam senkrecht zum Mast (14) ist, wobei das Aushubwerkzeug (20) am Boden liegt, die Stange (18) in eine Position im Wesentlichen parallel zum Mast (14) gebracht wird, wobei das Gestell (12) der Aushubmaschine (10) zu dem Aushubwerkzeug (20) verschoben wird, wobei das Aushubwerkzeug (20) unbeweglich bleibt, während sich das erste Halteelement (26) im entriegelten Zustand befindet.
  8. Verfahren zum Heben einer Stange (18) nach Anspruch 7, wobei das Verfahren dadurch gekennzeichnet ist, dass es ferner einen Schritt umfasst, während dessen das erste Ende (18a) der Stange (18) in das zweite Halteelement (42) eingreift, nachdem der Schlitten (16) am zweiten Ende (14b) des Mastes (14) angekommen ist.
  9. Verfahren zum Heben einer Stange (18) einer Aushubmaschine (10) nach einem der Ansprüche 1 bis 6, wobei die Stange (18) eine wesentlich größere Länge als die Länge des Mastes (14) aufweist, wobei bei dem Verfahren ausgehend von einer Position, in der die Stange (18) gleichsam senkrecht zum Mast (14) ist, die Stange (18) in eine Position im Wesentlichen parallel zum Mast (14) gebracht wird, wobei der Schlitten (16) von einem ersten Ende (14a) des Mastes (14) zu einem zweiten Ende (14b) des Mastes (14), das dem ersten Ende (14a) gegenüberliegt, verschoben wird, wobei die Stange (18) in Bezug zum ersten Halteelement (26) festgestellt ist, wobei das Verfahren dadurch gekennzeichnet ist, dass es ferner einen Schritt umfasst, während dessen das erste Ende (18a) der Stange (18) in das zweite Halteelement (42) eingreift, nachdem der Schlitten (16) am zweiten Ende (14b) des Mastes (14) angekommen ist.
  10. Hebeverfahren nach Anspruch 9, bei dem das erste Halteelement (26) bei der Verschiebung des Schlittens (16) im verriegelten Zustand ist.
  11. Aushubverfahren, bei dem eine Aushubmaschine (10) nach einem der Ansprüche 1 bis 6 bereitgestellt wird, wobei die Aushubmaschine (10) eine wesentlich längere Stange (18) als der Mast (14) umfasst, wobei das Verfahren nacheinander umfasst:
    - einen Hebeschritt, bei dem die Stange (18) in eine Position im Wesentlichen parallel zum Mast (14) gebracht wird,
    - einen Schritt, in dem der Schlitten (16) am zweiten Ende (14b) des Mastes (14) positioniert wird,
    - einen ersten Schritt des Versenkens des Aushubwerkzeugs (20) im Boden, während dessen das erste Halteelement (26) verriegelt ist, falls dies nicht der Fall ist, der an der Stange (18) verriegelte Schlitten (16) zum ersten Ende (14a) des Mastes (14) verschoben wird, um das Aushubwerkzeug (20) in eine erste Versenkungsposition (P1) zu bringen,
    - einen Schritt, in dem der Schlitten (16) am zweiten Ende (14b) des Mastes (14) oder auch auf einer Höhe des Mastes (14) positioniert wird, die dem zweiten Ende (18b) der Stange (18) entspricht, wenn sich dieses zweite Ende (18b) nun auf einer geringeren Höhe als die Länge des Mastes (14) befindet, dies, nachdem das erste Halteelement (26) in den entriegelten Zustand gebracht wurde, wobei das Aushubwerkzeug (20) in seiner ersten Versenkungsposition bleibt, und
    - einen zweiten Schritt des Versenkens des Aushubwerkzeugs (20) analog zum ersten Schritt des Versenkens, um das Aushubwerkzeug (20) in eine zweite Versenkungsposition (P2) zu bringen, wobei das Verfahren dadurch gekennzeichnet ist, dass das erste Ende (18a) der Stange (18) in dem zweiten Halteelement (42) nach dem Hebeschritt in Eingriff ist, dass das zweite Halteelement (42) im entriegelten Zustand ist, und dass nach dem ersten Versenkungsschritt ein Schritt der Verriegelung des zweiten Halteelements (42) erfolgt, um die Stange (18) in Bezug zum Mast (14) festzustellen.
EP09180862.6A 2008-12-30 2009-12-29 Aushubmaschine mit schwenkbarem Kellygestänge Active EP2204500B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0859115A FR2940662B1 (fr) 2008-12-30 2008-12-30 Machine d'excavation a kelly pivotable

Publications (2)

Publication Number Publication Date
EP2204500A1 EP2204500A1 (de) 2010-07-07
EP2204500B1 true EP2204500B1 (de) 2016-08-24

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US (1) US8632275B2 (de)
EP (1) EP2204500B1 (de)
AU (1) AU2009251160B2 (de)
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SG (2) SG182980A1 (de)

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JP6247457B2 (ja) * 2013-05-31 2017-12-13 有限会社邦恵工業所 建設機械
US10731423B2 (en) * 2013-10-01 2020-08-04 Baker Hughes, A Ge Company, Llc Multi-start thread connection for downhole tools
DE202019100319U1 (de) * 2019-01-21 2020-04-22 Liebherr-Werk Nenzing Gmbh Schlitzwandfräse
EP3919684A1 (de) * 2020-06-04 2021-12-08 BAUER Maschinen GmbH Tiefbaumaschine und verfahren zum erstellen eines schlitzes im boden

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JPH02261189A (ja) * 1989-03-31 1990-10-23 Sanwa Kizai Co Ltd ケリーバー型掘削機の掘削ロッド押込み装置
JPH10317868A (ja) * 1997-05-23 1998-12-02 Nippon Sharyo Seizo Kaisha Ltd ケリーバ振止め装置
WO2006041154A1 (ja) * 2004-10-15 2006-04-20 Hirofumi Kataoka 地中障害物の撤去装置及び掘削ユニット並びにこれを用いた地中障害物の撤去方法

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JP2524084B2 (ja) * 1993-09-10 1996-08-14 近畿イシコ株式会社 杭打ち機
JP3974811B2 (ja) * 2001-04-27 2007-09-12 日本車輌製造株式会社 杭打機及び杭装着方法並びに杭埋設方法
EP1640509B2 (de) * 2004-08-23 2014-03-05 BAUER Maschinen GmbH Vorrichtung und Verfahren zum Erstellen einer Schlitzwand im Erdboden
FR2888859B1 (fr) * 2005-07-21 2007-10-19 Cie Du Sol Soc Civ Ile Installation de realisation de paroi enterree par melange du sol avec un liant et procede de correction de trajectoire de la tete de forage d'une telle installation
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Patent Citations (3)

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Publication number Priority date Publication date Assignee Title
JPH02261189A (ja) * 1989-03-31 1990-10-23 Sanwa Kizai Co Ltd ケリーバー型掘削機の掘削ロッド押込み装置
JPH10317868A (ja) * 1997-05-23 1998-12-02 Nippon Sharyo Seizo Kaisha Ltd ケリーバ振止め装置
WO2006041154A1 (ja) * 2004-10-15 2006-04-20 Hirofumi Kataoka 地中障害物の撤去装置及び掘削ユニット並びにこれを用いた地中障害物の撤去方法

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SG162711A1 (en) 2010-07-29
FR2940662B1 (fr) 2016-11-25
EP2204500A1 (de) 2010-07-07
FR2940662A1 (fr) 2010-07-02
US8632275B2 (en) 2014-01-21
AU2009251160B2 (en) 2016-02-04
US20100166534A1 (en) 2010-07-01
AU2009251160A1 (en) 2010-07-15
SG182980A1 (en) 2012-08-30

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