EP4015761B1 - Schutzkäfig für eine bohrmaschine mit trommel und entsprechendes schutzverfahren - Google Patents

Schutzkäfig für eine bohrmaschine mit trommel und entsprechendes schutzverfahren Download PDF

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Publication number
EP4015761B1
EP4015761B1 EP21213191.6A EP21213191A EP4015761B1 EP 4015761 B1 EP4015761 B1 EP 4015761B1 EP 21213191 A EP21213191 A EP 21213191A EP 4015761 B1 EP4015761 B1 EP 4015761B1
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EP
European Patent Office
Prior art keywords
barrel
drilling
frame
axis
cage
Prior art date
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Active
Application number
EP21213191.6A
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English (en)
French (fr)
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EP4015761A1 (de
Inventor
Richard PLOUX
Ludovic POYANT
Jérôme PANIER
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Soletanche Freyssinet SA
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Soletanche Freyssinet SA
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Publication of EP4015761A1 publication Critical patent/EP4015761A1/de
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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
    • E21B19/00—Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables
    • E21B19/14—Racks, ramps, troughs or bins, for holding the lengths of rod singly or connected; Handling between storage place and borehole
    • E21B19/146—Carousel systems, i.e. rotating rack systems

Definitions

  • the present invention relates to a protective cage for a drilling machine.
  • the present invention relates to a protection cage for a barrel drilling machine, as well as a method of protecting the drilling zone of such a barrel drilling machine.
  • drilling machines comprising tubular elements which are connected to each other during the progress of the drilling, in order to carry out a drilling whose depth is much greater than the length of a tubular element.
  • a drilling machine is described in the document EP 2239410 .
  • drilling machines comprising a mechanized system for handling said tubular elements.
  • a mechanized handling system is in particular the barrel which equips the drilling machine and in which the tubular elements are stored.
  • the drilling machine with barrel is designed to remove, during drilling, one of the tubular elements of the barrel in order to connect it to the preceding tubular element of the drilling.
  • the drilling machine is also designed to progressively disconnect and reposition each tubular element in the barrel.
  • the drilling machine with barrel can comprise holding means, or holding jaws, as well as clamping and loosening means, or clamping and loosening jaws, in order to connect and disconnect the tubular elements between them.
  • the cylinder of the drilling machine is generally mounted on the drilling machine, in order to allow it to position one of the tubular elements it contains, in the axis of the rotary drilling head.
  • barrels cause significant movements close to the drilling zone, or work zone, of the drilling machine. Indeed, at each change of tubular element, the barrel is caused to move in the axis of the drilling head in order to allow the unloading or the loading of one of the tubular elements which it contains, then the barrel is moved laterally to release the drilling zone, and also to allow an operator to intervene on the barrel, for example to load other tubular elements into it, or else to clean the tubular elements which have just been stored there by the head drilling.
  • such a protective cage is often cumbersome and prohibits any human intervention on the barrel during drilling operations.
  • such a cage prevents an operator from carrying out supply or cleaning operations on the barrel as long as the drilling operations are taking place.
  • the present invention aims to solve the various technical problems mentioned above.
  • the present invention aims to propose a protection system, and the corresponding protection method, which makes it possible to guarantee safety around the drilling zone of a drilling machine, while allowing maintenance operations on the barrel.
  • the present invention aims to provide a protection system making it possible to secure the drilling zone while leaving the barrel accessible for maintenance operations.
  • a protective cage for a barrel drilling machine comprising a frame, a rotary drilling head around a determined drilling axis and a mobile mounted barrel, and preferably pivoting relative to the frame between a first position in which part of the barrel comes into the drilling axis, and a second position, in which the barrel is moved transversely to the drilling axis.
  • the cage comprises at least one movable part configured to move, preferably simultaneously, relative to the frame when the barrel moves between the first position and the second position, and, when the barrel is in at least one of said first and second positions , the cage is configured to surround, with at least the barrel and possibly the frame, the drilling axis of the drilling machine in a plane perpendicular to said drilling axis.
  • the cage according to the present invention is designed on the one hand to allow securing of the drilling zone, and on the other hand to allow mobility of the barrel, in particular outside the protected drilling zone.
  • the cage comprises at least one movable part configured to move at the same time as the barrel when the latter moves between a first position allowing the loading or removal of the tubular element of the barrel, and a second position corresponding to the position for handling or waiting for the barrel.
  • the cage according to the present invention is configured to be positioned in the continuity of the barrel so as to surround, with the barrel and possibly the frame, in particular the mast, the drilling zone.
  • the cage according to the invention therefore does not surround the cylinder in each of its positions, and in particular in at least the second position for handling or waiting, so as to leave it accessible for the operator(s) during the operations of drilling.
  • the cage according to the present invention also has a much smaller footprint compared to existing cages and which completely surround the drilling zone and the barrel. Indeed, the cage according to the present invention does not need to completely surround the cylinder at least when the latter is in the second handling or waiting position, which makes it possible to provide it more compact and less bulky. .
  • the cage according to the invention is also configured not to surround the drilling zone alone, but to position itself in the continuity of the barrel in order to surround the drilling zone: the cage therefore also exploits the presence of the barrel to surround and protect the drilling area, which also makes it possible to reduce its size and therefore its size.
  • the protective cage and the barrel can, with part of the frame and in particular with the mast on which the rotary drilling head is mounted, surround the drilling zone.
  • the protective cage is configured to surround, with at least the barrel and possibly the frame, the drilling axis of the drilling machine in a plane perpendicular to said drilling axis, when the barrel is in the first position, in the second position and when the barrel moves between the first position and the second position.
  • the cage according to the invention can thus be designed to always cooperate with the barrel in order to surround the drilling zone, whether in the first position of the barrel, in the second position for handling or waiting for the barrel, or else when moving the barrel between the first and the second position.
  • THE barrel therefore always forms part of the barrier surrounding and protecting the drilling zone, in cooperation with the cage.
  • the cage and the barrel are both mounted to move relative to each other, in order to allow their cooperation, and the protection of the drilling zone, throughout the movement of the barrel between the first and the second position.
  • the protective cage is configured to be in contact with the barrel.
  • the cage according to the invention can be configured to be in contact with the barrel, and in particular to remain so throughout throughout the displacement of the barrel between the first and the second position.
  • This contact between the barrel and the cage allows the simultaneous and coordinated displacement of the cage with respect to the displacement of the barrel, which makes it possible to guarantee in a simple and effective manner, the continuous encirclement of the drilling zone by the cage and the barrel.
  • the protective cage also comprises a return means, for example a spring, configured to maintain contact between the protective cage and the barrel.
  • a return means for example a spring
  • the purpose of the return means is to keep the cage in contact with the barrel, in particular when moving.
  • the cage is not mounted integral with the barrel, but is kept in contact with it by a return means. It is then possible, when the drilling operations are completed, to easily separate the cage from the barrel if this is necessary for maintenance operations or for moving the drilling machine.
  • such an arrangement does not require any substantial modification of the barrel, but can on the contrary be implemented on existing barrel drilling machines without a protective cage.
  • the protective cage comprises a wheel with an axis of rotation intended to be positioned parallel to the drilling axis, the wheel being configured to roll on a track of the barrel, for example in the form of a circle, and in which the means return, for example a spring, is configured to maintain the wheel in contact with the track of the barrel.
  • the means return for example a spring
  • a wheel makes it possible to limit the friction and the mechanical stresses that can be exerted between the barrel and the cage, in particular during movements of the barrel between the first and the second position.
  • the wheel allows both continuous contact between the cage and the barrel, and easy relative movement of the barrel relative to the cage.
  • the protective cage comprises a first part configured to be fixedly mounted on the frame of the drilling machine and a second part configured to be movable, preferably pivoting, relative to the frame of the drilling machine, the second part being mounted at a free end of the first part of the cage.
  • the cage comprises a fixed part, and a mobile part intended to adapt to the movements of the barrel.
  • the movable part makes it possible to make the junction between the fixed part and the barrel, so as to guarantee, possibly with the frame, the continuous encirclement of the drilling zone by the cage and the barrel.
  • the movable part is thus mounted at the free end of the fixed part, and cooperates with the barrel while being able to pivot relative to the fixed part, in particular relative to an axis parallel to that of the borehole.
  • the mobile part of the cage can pivot when the barrel moves perpendicularly to the axis of the borehole.
  • the first part is configured to be fixed during drilling operations of the drilling machine, and to be retractable relative to the frame, in particular during maintenance operations of the drilling machine.
  • the first part is designed to be able to be moved relative to the frame, in particular when the drilling operations are finished and therefore it is no longer necessary to protect the drilling zone. This facilitates operations maintenance or other around the drill head, without being bothered by the fixed part of the cage.
  • the return means is mounted between the first part and the second part, and the wheel is mounted at the free end of the second part.
  • the return means keeps the wheel mounted at the free end of the movable part of the cage, in contact with the barrel, by exerting a force tending to press the wheel against the barrel. This ensures, in a simple and reliable manner, contact between the cage and the barrel and therefore the encirclement of the drilling zone. In particular, even in the event of dust or splashes of mud or the like on the barrel, the wheel can continue to maintain contact while rolling, if necessary, on said splashes without remaining blocked.
  • the axis of the drilling head is fixed relative to the frame.
  • the barrel which moves to allow withdrawal or positioning of the tubular elements, and not the drilling head.
  • a drilling machine comprising a chassis, a rotary drilling head around a determined drilling axis and a barrel mounted mobile, and preferably pivoting, relative to the chassis between a first position in in which part of the barrel comes into the drilling axis, and a second position, in which the barrel is moved perpendicular to the drilling axis.
  • the drilling machine also includes a protection cage as described previously.
  • a method for modifying a barrel drilling machine comprising a frame, a rotary drilling head around a determined drilling axis and a barrel mounted movable relative to the frame between a first position in which part of the barrel comes into the drilling axis, and a second position, in which the barrel is moved perpendicular to the drilling axis.
  • a protective cage is mounted on the drilling machine comprising at least one movable part configured to move relative to the frame when the barrel moves between the first position and the second position, and, when the barrel is in at least one of said first and second positions, the drilling axis of the drilling machine is surrounded, in a plane perpendicular to said drilling axis, with the barrel, said protective cage, and optionally the frame.
  • the protection cage according to the present invention does not require many changes to the frame or the barrel of the drilling machine, it can therefore be installed on old drilling machines, without protection, in order to make them conform to the new regulations.
  • the installation of the cage on the drilling machine does not require substantially modifying the barrel insofar as the mobile part of the cage can only roll on a peripheral track of the barrel, for example a retaining circle radial, or peripheral, tubular elements in the barrel.
  • the cage according to the invention also makes it possible to retain a reduced size, and ease of use of the drilling machine thus modified.
  • THE figure 1 And 2 illustrate, from the side and from the front, a barrel drilling machine 1 comprising a protection cage 2 according to the present invention.
  • the barrel drilling machine 1 can be originally designed and manufactured with said protection cage 2, or it can be devoid of origin and subsequently modified to include such a protection cage 2.
  • the drilling machine 1 conventionally comprises a chassis 4 on which is mounted a rotary drilling head 6.
  • the chassis 4 comprises the various components of the drilling machine 1, such as: displacement means, or carrier machine, control means, energy sources, and a guide means, or mast 8, of the drilling head 6.
  • the frame 4 can comprise means of movement comprising drive tracks, such as a running gear.
  • Mast 8 defines the longitudinal direction along which drill head 6 can translate during drilling operations. The mast 8 is therefore parallel to the drilling axis.
  • the drilling machine 1 described here and for which the protective cage 2 according to the present invention is intended, is a drilling machine 1 comprising a cylinder 10.
  • the purpose of the cylinder 10 is to supply or store the tubular elements 12, or drill pipes 12, used by the drilling machine 1 during drilling operations.
  • barrel 10 comprises a plurality of individual slots 11 (see figures 4 to 6 ) for tubular elements 12, which are distributed, for example, around the periphery of barrel 10.
  • barrel 10 has a generally cylindrical shape.
  • the tubular elements 12 are thus designed to be able to be mounted one after the other, and can thus comprise, at one end, a thread and, at the other end, an internal thread in order to allow the screwing of a tubular element 12 at the end of another tubular element 12.
  • the drilling head 6 can, after being mounted at one end of a tubular element 12, rotate it so as to fix it to, or on the contrary to detach it from the end of the previous tubular element 12.
  • the frame 4 of the drilling machine 1 can also comprise, at the level of the opening of the drilling zone, clamping means 13a, 13b such as two pairs of clamping jaws.
  • the clamping means 13a, 13b are positioned adjacently along the drilling axis, and are intended respectively to hold the lower tubular element 12 in position and to tighten or loosen the upper tubular element 12 in rotation with respect to the lower tubular element 12.
  • the cylinder 10 In order to supply or recover the tubular elements 12, the cylinder 10 is configured to be in a first position (see figure 4 ), in which one of the individual slots 11 is positioned in the drilling axis A of the drilling head 6. It is then possible for the head 6 to be fixed to a tubular element 12 arranged in the individual slot 11 of the barrel 10, or else to place a tubular element 12 in the individual slot 11 of the barrel 10. Depending on whether said individual slot 11 is empty or already occupied, the barrel 10 is mounted in rotation on itself, i.e. say around an axis B corresponding to the axis of the generally cylindrical shape of the barrel 10, in order to position another individual location 11 in the axis of the drilling head 6.
  • the axis B of the barrel 10 is preferably parallel to the drilling axis A.
  • barrel 10 makes it possible to supply the drilling head 6 with tubular elements 12, or on the contrary to recover the tubular elements 12 supplied by the drilling head 6.
  • barrel 10 also comprises a peripheral track 18, or radial retaining circle, preferably in the lower part, radially surrounding the various individual locations 11 and thus making it possible to prevent the tubular elements 12 from coming out, involuntarily, radially from their individual location 11.
  • the drilling head 6 is configured to cause the tubular element 12 to slide along the drilling axis A, until the end bottom of the tubular element 12 passes above the peripheral track 18.
  • barrel 10 is configured to move laterally from the drilling axis A to allow the operations of drilling to continue. More precisely, the barrel 10 is configured to be able to move away from the drilling axis A in order to allow on the one hand the drilling operations to continue, and on the other hand to allow possible handling of the tubular elements 12 positioned in barrel 10.
  • barrel 10 is mounted to move between the first position in which it can supply or receive tubular elements 12, and a second position (see figure 5 ) in which it is located at a distance from the drilling axis A.
  • the frame 4 may comprise means for moving the barrel 10, for example a pivoting arm allowing the barrel 10 to be pivoted about an axis distinct from the drilling axis A and barrel axis B 10.
  • barrel 10 When barrel 10 is in the second position, it no longer cooperates with drilling head 6 and no longer participates in drilling operations. It is then in particular possible to carry out handling steps, such as filling the barrel 10 with tubular elements 12 or, on the contrary, such as removing the tubular elements 12 from the barrel 10. It is also possible to carry out cleaning operations tubular elements 12 when these have just been repositioned in the barrel 10 by the drilling head 6 and are still covered with mud and other dirt. In particular, it is important to be able to carry out such handling work quickly, i.e. during drilling operations, in particular in order to avoid the drying of mud on the tubular elements 12.
  • the drilling machine 1 comprises a protective cage 2 making it possible both to secure the drilling zone, and to leave at least partial access to the cylinder 10 in order to allow maintenance operations there.
  • the protective cage 2 is configured to surround the drilling zone, and in particular the drilling axis A, in cooperation with the barrel 10 and possibly the frame 4, more particularly the mast 8.
  • the cage protection 2 not only surrounds the drilling zone, but also allows the barrel 10 to form part of the physical barrier surrounding the drilling zone, which makes it possible to leave it at least partially accessible for maintenance operations.
  • the protective cage 2 comprises on the one hand a movable part 14 which comes in particular, in the example described below, resting on the barrel 10, to guarantee the continuity of the protection, and on the other hand a fixed part 16 which is directly mounted on the frame 4 and on which the movable part 14 is mounted.
  • the protective cage 2 is configured to surround, in a plane perpendicular to the drilling axis A, said drilling axis A, in association with the barrel 10 and, in the present case, a part of the frame 4, in l occurrence the mast 8 on which the fixed part 16 is mounted.
  • the movable part 14 is configured to move with the movements of the barrel 10 when the latter moves from the first to the second position, and from the second to the first position.
  • the movable part 14 may comprise, at the level of the articulated connection with the fixed part 16, a return means 20 configured to exert an elastic return force on the movable part 14 tending to maintain it in contact with the cylinder.
  • the return means 20 may comprise for example one or more springs mounted so as to fold the movable part 14 towards the barrel 10.
  • the return means 20 therefore makes it possible to guarantee that the movable part 14 of the protection cage 2 always remains close to the barrel 10 and does not leave a space between the mobile part 14 and the barrel 10 which would be likely to allow a person to enter the protection zone surrounding the drilling axis A.
  • the mobile part 14 of the protection cage 2 and the barrel 10 are in contact with each other, in particular whatever the position of the barrel 10 (first position, second position, intermediate position between the first and the second place).
  • the contact between the mobile part 14 and the barrel 10 makes it possible to guarantee the absence of space between the barrel 10 and the protective cage 2 through which a person would be likely to enter the protective zone surrounding the drilling axis A
  • the contact between the barrel 10 and the mobile part 14 must be sliding.
  • the mobile part 14 can comprise a means of contact with the cylinder 10 in the form of a wheel 22.
  • the wheel 22 is in particular intended to allow sliding contact with the barrel 10.
  • the wheel 22 is intended to roll on a peripheral portion, preferably continuous, of the barrel 10, in particular the peripheral track 18, or retaining circle radial, of the barrel 10 which makes it possible to retain the tubular elements 12 in their individual housings 11.
  • the peripheral track 18 can in particular comprise a groove, or chute, in order to ensure guidance of the wheel 22 when the latter rolls in the groove , THE along the peripheral track 18.
  • the wheel 22 reduces the mechanical forces at the contact between the barrel 10 and the protection cage 2, and also makes it possible to remain functional even when the peripheral track 18 of the barrel 10 is soiled by projections or others, since the wheel 22 can then continue to roll over it, including over the projections, while keeping the protective cage 2 in contact with the barrel 10.
  • the wheel 22 is mounted at a free end of the movable part 14, that is to say at the end of the movable part 14 which is opposite to that mounted on the fixed part 16.
  • the wheel 22 is thus mounted with its axis of rotation advantageously oriented parallel to the axis of rotation B of the barrel 10, and therefore advantageously oriented parallel to the drilling axis A.
  • the protective cage 2 makes it possible to guarantee the absence of access to the drilling zone, while allowing at least partial access to the barrel 10 for maintenance operations. It is thus possible to continue working on the barrel 10 without slowing down the drilling operations and while remaining safe.
  • the protection cage 2 also has a compact geometry, and therefore a small footprint, in particular due to the fact that it does not surround the drilling zone alone, but does so in cooperation with the barrel 10. It does not It is therefore no longer necessary to surround the barrel 10, which leads to a smaller protective cage 2.
  • the protection cage 2 requires few constraints to be installed on a drilling machine 1.
  • the protection cage 2 according to the invention requires only one fixing zone on the frame 4 of the drilling machine 1, and a peripheral track 18 on the barrel 10 to bring the wheel 22 to roll there, which remains not very restrictive.
  • the protective cage 2 can thus be easily installed on a large number of existing drilling machines and devoid of means of protection, in order to make them comply with safety standards, while benefiting from the advantages mentioned above.
  • the fixed part 16 of the protection cage 2 can comprise several portions hinged together in order to open access to the drilling area.
  • the fixed part 16 may comprise a first portion 16a intended to be mounted on the frame 4 of the drilling machine 1 and intended to remain fixed relative to the frame 4.
  • the first portion 16a may for example be mounted on the mast 8 , for example on one side of the mast 8 in which case the mast 8 will surround the drilling axis A with the protection cage 2 and the barrel 10.
  • the fixed part 16 may comprise a second portion 16b mounted on the end free of the first portion 16a, that is to say on the end opposite to that fixed to the chassis 4. It is on the free end of the second portion 16b that the movable part 14 of the protective cage 2 and up.
  • the second portion 16b can be mounted by a pivot connection on the first portion 16a, the pivot connection being able to be controlled by a cylinder for example.
  • the cylinder makes it possible to maintain the second portion 16b integral and fixed on the first portion 16a.
  • the cylinder makes it possible to retract the second portion 16b to leave free access to the drilling zone.
  • the fixed part 16 of the protective cage 2 can also comprise a third portion 16c also mounted on one side of the mast 8 of the frame 4, but opposite the first portion 16a, in order to block any access between the mast 8 and barrel 10.
  • the protective cage it becomes possible to have a barrel drilling machine making it possible to comply with safety standards during drilling operations, while allowing maintenance interventions on the barrel. In particular, it is possible to intervene on the barrel during drilling operations, so as not to slow them down.
  • the protective cage makes it possible to keep a small footprint for the drilling machine, in particular around the mast, which facilitates transport, as well as short trips under limited heights or in positions difficult to access on site, such as only along the walls or in angles, without requiring a preliminary removal of the cage.
  • the protection cage can also be mounted on existing drilling machines without a cage, in order to make them comply with safety standards.

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

Claims (11)

  1. Schutzkäfig (2) für eine Bohrmaschine (1) mit Trommel, wobei die Bohrmaschine (1) mit Trommel ein Gehäuse (4), einen Bohrkopf (6), der um eine bestimmte Bohrachse (A) drehbar ist, und eine montierte Trommel (10) beinhaltet, die in Bezug auf das Gehäuse (4) zwischen einer ersten Position, in der ein Teil der Trommel (10) in die Bohrachse (A) gelangt, und einer zweiten Position, in der die Trommel (10) quer zu der Bohrachse (A) bewegt wird, beweglich und vorzugsweise schwenkbar ist,
    wobei der Käfig (2) mindestens einen beweglichen Teil (14) umfasst, der dazu ausgestaltet ist, sich vorzugsweise gleichzeitig in Bezug auf das Gehäuse (4) zu bewegen, wenn sich die Trommel (10) zwischen der ersten Position und der zweiten Position bewegt,
    und wobei, wenn sich die Trommel (10) in mindestens einer von der ersten und der zweiten Position befindet, der Käfig (2) dazu ausgestaltet ist, mit mindestens der Trommel (10) und gegebenenfalls dem Gehäuse (4) die Bohrachse (A) der Bohrmaschine (1) in einer Ebene senkrecht zu der Bohrachse (A) zu umgeben.
  2. Schutzkäfig (2) nach Anspruch 1, der dazu ausgestaltet ist, mit mindestens der Trommel (10) und gegebenenfalls dem Gehäuse (4) die Bohrachse (A) der Bohrmaschine (1) in einer Ebene senkrecht zu der Bohrachse zu umgeben, wenn sich die Trommel (10) in der ersten Position, in der zweiten Position befindet und wenn sich die Trommel (10) zwischen der ersten Position und der zweiten Position bewegt.
  3. Schutzkäfig (2) nach Anspruch 1 oder 2, der dazu ausgestaltet ist, mit der Trommel (10) in Kontakt zu sein.
  4. Schutzkäfig (2) nach dem vorhergehenden Anspruch, auch umfassend ein Rückstellmittel (20), zum Beispiel eine Feder, das dazu ausgestaltet ist, den Kontakt zwischen dem Schutzkäfig (2) und der Trommel (10) zu halten.
  5. Schutzkäfig (2) nach dem vorhergehenden Anspruch, umfassend ein Rad (22) mit einer Drehachse, die dazu bestimmt ist, parallel zu der Bohrachse (A) positioniert zu sein, wobei das Rad (22) dazu ausgestaltet ist, auf einer Bahn (18) der Trommel (10) zu rollen, zum Beispiel in Form eines Kreises, und in dem das Rückstellmittel (20), zum Beispiel eine Feder, dazu ausgestaltet ist, das Rad (22) in Kontakt mit der Bahn (18) der Trommel (10) zu halten.
  6. Schutzkäfig (2) nach einem der vorhergehenden Ansprüche, umfassend einen ersten Teil (16), der dazu ausgestaltet ist, feststehend an dem Gehäuse (4) der Bohrmaschine (1) montiert zu sein, und einen zweiten Teil (14), der dazu ausgestaltet ist, in Bezug auf das Gehäuse (4) der Bohrmaschine (1) beweglich, vorzugsweise schwenkbar zu sein, wobei der zweite Teil (14) an einem freien Ende des ersten Teils (16) des Käfigs (2) montiert ist.
  7. Schutzkäfig (2) nach dem vorhergehenden Anspruch, wobei der erste Teil (16) dazu ausgestaltet ist, bei Bohrvorgängen der Bohrmaschine (1) feststehend zu sein und um in Bezug auf das Gehäuse (4) einklappbar zu sein, insbesondere bei Wartungsarbeiten an der Bohrmaschine (1).
  8. Schutzkäfig (2) nach den Ansprüchen 5 und 6, wobei das Rückstellmittel (20) zwischen dem ersten Teil (16) und dem zweiten Teil (14) montiert ist und wobei das Rad (22) an dem freien Ende des zweiten Teils (14) montiert ist.
  9. Bohrmaschine (1), beinhaltend ein Gehäuse (4), einen Bohrkopf (6), der um eine bestimmte Bohrachse (A) drehbar ist, und eine montierte Trommel (10), die in Bezug auf das Gehäuse (4) zwischen einer ersten Position, in der ein Teil der Trommel (10) in die Bohrachse (A) gelangt, und einer zweiten Position, in der die Trommel (10) quer zu der Bohrachse (A) bewegt wird, beweglich und vorzugsweise schwenkbar ist, wobei die Bohrmaschine (1) auch einen Schutzkäfig (2) nach einem der vorhergehenden Ansprüche umfasst.
  10. Verfahren zum Schutz des Bohrbereichs einer Bohrmaschine (1) mit Trommel, wobei die Bohrmaschine (1) mit Trommel ein Gehäuse (4), einen Bohrkopf (6), der um eine bestimmte Bohrachse (A) drehbar ist, und eine montierte Trommel (10) beinhaltet, die in Bezug auf das Gehäuse (4) zwischen einer ersten Position, in der ein Teil der Trommel (10) in die Bohrachse (A) gelangt, und einer zweiten Position, in der die Trommel (10) quer zu der Bohrachse (A) bewegt wird, beweglich ist,
    wobei
    - wenn sich die Trommel (10) in mindestens einer von der ersten und der zweiten Position befindet, die Bohrachse (A) der Bohrmaschine (1) in einer Ebene, die senkrecht zu der Bohrachse (A) ist, mit der Trommel (10), einem Schutzkäfig (2) und gegebenenfalls dem Gehäuse (4) umgeben wird, und
    - mindestens ein beweglicher Teil (14) des Schutzkäfigs (2) in Bezug auf das Gehäuse (4) bewegt wird, wenn sich die Trommel (10) zwischen der ersten Position und der zweiten Position bewegt.
  11. Verfahren zur Modifikation einer Bohrmaschine mit Trommel, wobei die Bohrmaschine (1) mit Trommel ein Gehäuse (4), einen Bohrkopf (6), der um eine bestimmte Bohrachse (A) drehbar ist, und eine montierte Trommel (10) beinhaltet, die in Bezug auf das Gehäuse (4) zwischen einer ersten Position, in der ein Teil der Trommel (10) in die Bohrachse gelangt, und einer zweiten Position, in der die Trommel (10) quer zu der Bohrachse (A) bewegt wird, beweglich ist,
    wobei an der Bohrmaschine (1) ein Schutzkäfig (2) montiert ist, der mindestens einen beweglichen Teil (14) umfasst, der dazu ausgestaltet ist, sich in Bezug auf das Gehäuse zu bewegen, wenn sich die Trommel (10) zwischen der ersten Position und der zweiten Position bewegt,
    und wobei, wenn sich die Trommel (10) in mindestens einer von der ersten und der zweiten Position befindet, die Bohrachse (A) der Bohrmaschine in einer Ebene, die senkrecht zu der Bohrachse ist, mit der Trommel (10), dem Schutzkäfig (2) und gegebenenfalls dem Gehäuse (4) umgeben wird.
EP21213191.6A 2020-12-18 2021-12-08 Schutzkäfig für eine bohrmaschine mit trommel und entsprechendes schutzverfahren Active EP4015761B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR2013630A FR3118091B1 (fr) 2020-12-18 2020-12-18 Cage de protection pour machine de forage à barillet, et procédé de protection correspondant

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EP4015761A1 EP4015761A1 (de) 2022-06-22
EP4015761B1 true EP4015761B1 (de) 2023-08-23

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1401728B1 (it) * 2009-03-26 2013-08-02 Soilmec Spa Macchina perforatrice provvista di dispositivo per la guida di aste di perforazione contenute in un caricatore.
SE536651C2 (sv) * 2010-11-17 2014-04-29 Atlas Copco Rock Drills Ab Förfarande, system och bergborrningssystem för installationav rör vid bergborrning
FR3010727B1 (fr) * 2013-09-18 2015-10-02 Soletanche Freyssinet Machine de forage comprenant un barillet muni de plusieurs carrousels

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FR3118091B1 (fr) 2022-12-23
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