EP3347526B1 - Bohrgerät - Google Patents

Bohrgerät Download PDF

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Publication number
EP3347526B1
EP3347526B1 EP16767341.7A EP16767341A EP3347526B1 EP 3347526 B1 EP3347526 B1 EP 3347526B1 EP 16767341 A EP16767341 A EP 16767341A EP 3347526 B1 EP3347526 B1 EP 3347526B1
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EP
European Patent Office
Prior art keywords
module
anchor
drilling
drilling machine
machine according
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.)
Active
Application number
EP16767341.7A
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English (en)
French (fr)
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EP3347526A2 (de
Inventor
Sara CASCARINO
Daniel Perpezat
Laurent Pivert
Régis Bernasinski
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Soletanche Freyssinet SA
Original Assignee
Soletanche Freyssinet SA
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Publication of EP3347526A2 publication Critical patent/EP3347526A2/de
Application granted granted Critical
Publication of EP3347526B1 publication Critical patent/EP3347526B1/de
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Classifications

    • 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
    • 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
    • E21B10/00—Drill bits
    • E21B10/08—Roller bits
    • 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
    • E21B10/00—Drill bits
    • E21B10/62—Drill bits characterised by parts, e.g. cutting elements, which are detachable or adjustable
    • 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
    • E21B3/00—Rotary drilling

Definitions

  • the present invention relates to the field of drilling in the ground, in particular to manufacture foundations, such as for example continuous screens consisting of juxtaposed concrete wall elements.
  • a drilling machine for making excavations in the ground in a substantially vertical direction of drilling, and more particularly in hard terrain.
  • This type of drilling machine is generally used for drilling in hard terrain, for example in granite.
  • the displacement device allows to exert a complementary thrust on the drilling tools, which aims to facilitate the excavation.
  • the anchoring module makes it possible to immobilize the drilling machine in the excavation.
  • this drilling machine does not effectively correct the drilling trajectory.
  • the correction of the drilling path of the drilling machine requires changing its position in the trench.
  • the Drilling machine is usually not centered in the excavation but is closer to one of the larger walls than the opposite wall.
  • the deployment of the anchor pads has the effect of refocusing the drilling machine in the excavation, which causes a change in the position of the machine and, as a result, again distorts the drilling path.
  • An object of the present invention is to provide a drilling machine for anchoring without changing the transverse position of the drilling machine in the excavation.
  • the assembly consisting of the front and rear anchor pads and the actuator device on the one hand and the frame carrying the drilling module, on the other hand, this sliding connection being oriented in the direction of displacement transverse to the longitudinal direction.
  • the assembly consisting of the front anchor pad, the rear anchor pad and the actuator device is freely movable relative to the frame and the drilling module in the direction of displacement. This is a montage called "floating".
  • the actuator device deploys to bring the front and rear anchor pads in the deployed position. If for example the front anchor pad abuts against one of the walls of the excavation before the rear anchor pad, the actuator device and the rear anchor pad move transversely in the direction of movement relative to the frame until the rear anchor pad comes into contact with with the opposite wall.
  • the deployment of the front and rear anchor pads and the displacement of the actuator device being performed relative to the frame and the drilling module, it is understood that the drilling module remains stationary during the anchoring phase. Also, thanks to the invention, the deployment of the front and rear anchor pads is performed without changing the transverse position, usually horizontal, the drilling module relative to the walls of the excavation.
  • the invention makes it possible to anchor the anchoring module in the ground without modifying the horizontal position of the drilling module. Thanks to the invention, the anchoring does not modify the drilling trajectory.
  • the invention thus makes it possible, among other things, to improve the precision of the drilling trajectory.
  • the actuator device comprises a body slidably fixed to the frame in a direction parallel to the direction of movement.
  • the actuator provides a dual function, namely to move the front and rear anchor pads, on the one hand, and to guide the displacement of the frame with the drilling module relative to the pads front and rear anchorage, on the other hand.
  • the actuator device is fixed to the frame so that the sliding connection between the front and rear anchor pads is provided by the actuator device.
  • the actuator device is a jack whose body is fixed to the frame slidably and to one of the front and rear anchor pads, while the rod of the jack is fixed to the other of the front anchor pads and back.
  • the actuator device is a jack whose body is slidably fixed to the frame, the jack comprising a first rod fixed to the front anchor pad and a second rod, coaxial with the first rod, fixed to the pad of rear anchorage.
  • the front and rear guide devices make it possible to guide the deployment of the front and rear anchor pads, as well as the relative displacement of the anchor pads and the actuator device with respect to the drilling module which remains stationary during the phase anchor.
  • Another advantage of adding the front and rear guide devices is to transfer the longitudinal forces to them, so to separate the deployment functions of the pads and recovery of the longitudinal forces (vertical). This also allows the frame to take up more longitudinal forces, for example related to the weight of the drilling module, which has the effect of improving the robustness of the drilling machine.
  • the actuator device as such is not directly related to the frame.
  • This mounting said "floating" has the effect that the frame can easily move relative to the assembly consisting of front and rear anchor pads and the actuator device.
  • the front guide device comprises at least a first front guide member which is fixed to the front anchor pad, the first front guide member being mounted to the frame slidably in a direction parallel to the deployment direction. .
  • the frame comprises for example a hole in which the first front guide member is slidably mounted.
  • the first front guide member comprises a stop for limiting the displacement amplitude of the first front guide member in the frame.
  • the stop is disposed at the end of the first front guide member which is opposite to the attachment portion of said first front guide member.
  • the front guide device further comprises a second front guide member, identical to the first front guide member, the first and second front guide members being arranged on each side. other of the actuator device.
  • the rear guide device is similar to the front guide device.
  • the rear guide device comprises at least a first rear guide member which is fixed to the rear anchor pad by a fixing portion, the first rear guide member being mounted to the frame slidably in a direction parallel to the deployment direction.
  • the rear guide device further comprises a second rear guide member, identical to the first rear guide member, the first and second rear guide members being arranged on each side. other of the actuator device.
  • the front and rear anchor pads are fixed to the actuator device in an articulated manner.
  • This articulation comprising at least one horizontal axis pivot connection, and preferably a ball joint, allows the front and rear anchor pads to be positioned parallel to the walls of the excavation. This has the effect of maximizing the contact area between the anchor pads and the walls of the excavation, which improves the anchoring of the anchor module in the excavation.
  • the front anchor pad is attached to the front guide device in an articulated manner
  • the rear anchor pad is attached to the rear guide device in an articulated manner
  • each of the front and rear anchor pads is hinged relative to the first and second front and rear guide members.
  • the assembly consisting of the front anchor pad, the rear anchor pad, the front guide device and the rear guide device forms a deformable trapezium, the frame of the anchoring module with the drilling module. being movable relative to said deformable trapezium in the direction of displacement.
  • the deformable trapezium constitutes a rigid one-piece structure for guiding the displacement of the drilling module relative to non-strictly vertical walls of the excavation, to ensure effective anchoring, while supporting the module of anchorage.
  • the actuator device comprises at least one jack. According to a variant, the actuator device comprises two parallel cylinders arranged side by side.
  • the drilling machine further comprises a displacement device disposed between the anchoring module and the drilling module to move the cutting members relative to the anchoring module in the longitudinal direction. of the drilling machine.
  • the longitudinal displacement of the cutting members is advantageously achieved once the anchor module is anchored in the ground, which allows in particular to exert a thrust directed downwards on the cutting members.
  • the displacement device acts on the drilling module to move it downwards in the longitudinal direction.
  • the drilling machine then has an extended position in which the cutting members are remote from the anchoring module, and a retracted position in which the cutting members are brought close to the anchoring module.
  • the drilling module has a lower section carrying the cutting members and an upper section extending in the longitudinal direction, the upper section of the drilling module being suspended at the lower end of a lift cable.
  • the lift cable is attached to the drilling module, unlike the document of the prior art EP 0 811 724 wherein the lift cable is attached to the anchor module.
  • the actuation of the lift cable can cause the displacement of the drilling module relative to the anchor module in the longitudinal direction, when said anchoring module is anchored in the ground.
  • the displacement device only carries the anchor module, which is lighter than the drilling module.
  • the displacement device comprises at least one thrust cylinder disposed between the frame of the anchoring device and the lower section of the drilling module, the upper section of the drilling module being movable relative to the frame of the device. anchoring in said longitudinal direction.
  • the actuation of the thrust cylinder has the effect of lowering the lower section of the drilling module carrying the cutting members, the cooperation between the upper section and the drilling module for guiding the displacement.
  • the upper section is a bar which extends longitudinally through the anchoring module. This bar is slidably mounted relative to the frame of the anchoring device.
  • the anchoring module comprises a plurality of anchoring elements, the frames of the anchoring elements being integral with each other, in order to form a framework.
  • the upper section of the drilling module is preferably slidably mounted relative to this framework.
  • the frame may comprise guide members forming sleeves in which the upper section, and in particular the bar, is slidably mounted.
  • the drilling module further comprises trajectory correction means for pivoting the drilling module in a vertical plane.
  • the actuation of the path correction means makes it possible to correct the position of the cutting members by modifying the spatial position of the drilling module in the excavation. After which we deploy the anchor pads to immobilize the anchor module in the ground. The displacement of the front and rear anchor pads being effected without displacement of the drilling module, thanks to the fact that the front and rear anchor pads together with the actuator device are movable relative to the frame carrying the drilling module.
  • the actuation of the displacement device has the effect of exerting a thrust on the cutting members pointing downwards in the corrected drill direction, thus allowing drilling to continue in the desired direction.
  • the trajectory correction means comprise trajectory correction pads that are deployable in a direction transverse to the drilling module to bear against at least one of the walls of the excavation in order to rotate the module. drilling in the vertical plane.
  • trajectory correction pad When the trajectory correction pad abuts so as to exert a thrust against the excavation wall, this causes the displacement of the drilling module in a direction opposite to the direction of deployment of the trajectory correction pad.
  • the trajectory correction pads are arranged on the front face and on the rear face of the drilling module.
  • the trajectory correction pads are arranged in the upper section and / or in the lower section of the drilling module.
  • the trajectory correction pads are arranged on the front face and on the rear face of the upper and lower sections of the drilling module.
  • the figures 1 and 2 illustrate an example of a drilling machine 10 according to the present invention.
  • This drilling machine 10 is designed to perform an excavation E in soil S in a drilling direction F which is substantially vertical.
  • the drilling machine 10 according to the invention is designed to make vertical trenches in the ground.
  • the drilling machine 10 has a longitudinal direction L which extends between an upper portion 12 and a lower portion 14 of the drilling machine 10.
  • the lower portion 14 is provided with cutting members 16 which, in this non-limiting example, comprise two pairs of drums 18, 20 which are rotatably mounted about axes of rotation A, B parallel and distant from each other. 'other.
  • the axes of rotation A and B are orthogonal to the longitudinal direction L of the drilling machine 10.
  • the pairs of drums 18, 20 are provided at their periphery with cutting teeth 22, which are moreover known.
  • the drilling machine 10 is a cutter adapted to make the vertical trenches in the ground.
  • the drilling machine 10 also comprises an anchoring module 30 which has a front face 32 and a rear face 34, opposite to the front face 32.
  • an anchoring module 30 which has a front face 32 and a rear face 34, opposite to the front face 32.
  • the front faces 32 and rear 34 are vis-à-vis the largest walls P1, P2 of the excavation E.
  • the smaller excavation walls P3, P4 are perpendicular to the largest excavation walls P1, P2 E, and are visible in figure 2 .
  • the anchoring module 30 comprises a plurality of anchoring devices 40 which have the function, when they are actuated, of immobilizing the anchoring module in the ground. These anchors will be described in more detail below.
  • the drilling machine 10 further comprises a drilling module 50 which is disposed in the lower part 14 of the drilling machine, the drilling module 50 carrying the cutting members 16.
  • the drilling module 50 is movable in translation relative to the anchoring module in the longitudinal direction L.
  • the drilling machine 10 further comprises a displacement device 60 which is arranged between the anchoring module 30 and the drilling module 50.
  • the displacement device 60 consists of two thrust cylinders 62, 64 whose function is to exert a thrust on the cutting members 16 when the anchoring module is anchored in the ground, this thrust in the longitudinal direction directed downwards.
  • the drilling module 50 further comprises a lower section 52 which carries the cutting members and an upper section 54 which extends from an upper end 52a of the lower section of the drilling module 50 in the longitudinal direction L.
  • the upper section 54 of the drilling module 50 is a bar 56 which extends longitudinally through the anchoring module 30.
  • the upper section 54 of the drilling module 50 is suspended at the lower end 71a of a lifting cable 71.
  • the lifting cable is connected to the upper end of a support pole (not shown here), known elsewhere.
  • the displacement device 60 in particular the thrust cylinders 62, 64, is disposed between a lower end 30b of the anchoring module 30 and the upper end 52a of the lower section 50 of the lower section 52 of the module. drilling 50.
  • Each anchoring element 40 comprises a front anchor pad 42 disposed on the front face 32 of the anchoring module 30 and a rear anchor pad 44 disposed on the rear face 34 of the anchoring module 30.
  • the front and rear anchor pads are deployable in a deployment direction D which is transverse to the longitudinal direction L of the drilling machine 10.
  • the front anchor pads 42 and rear 44 have a retracted position and a deployed position, illustrated in figure 3 in which the anchor pads abut against the largest walls P1, P2 of the excavation E to immobilize the anchoring module 30 in the ground S.
  • brackets 46 are arranged on the outer faces of the anchor pads which are facing the walls.
  • the anchoring device 40 further comprises a frame 70 which carries the front and rear 32 and 34 anchor pads .
  • the frame 70 is fixed to the displacement means 60 so that the frame 70 supports the drilling module 50 ; more precisely in the non-limiting example of the figure 2 , the anchoring module 30 comprises a plurality of anchoring devices 40 whose frames 70 are integral with each other in order to form a framework which supports the drilling module 50 via the displacement device 60, in species through the thrust cylinders 62, 64. It is therefore understood that when the drilling machine is suspended in the air at the end of the lift cable 71, the thrust cylinders 62, 64 only support the weight of the module anchor.
  • the anchoring device 40 further includes an actuator device 72 to which are fixed the anchor shoes front 32 and rear 34.
  • the actuator device 72 is a hydraulic jack 74 which comprises a body 76 fixed to the front anchor pad 42, and a rod 78 fixed to the rear anchor pad 44.
  • the body 76 of the jack 74 is fixed to the frame 70 slidably in a direction transverse to the longitudinal direction the drilling machine; in In this case, it is the direction of deployment.
  • the hydraulic cylinder 74 forms a slide connection with the frame 70 oriented in the direction of deployment.
  • the body 76 has a lumen 78 which cooperates with a guide pin 79 of the frame 70.
  • the actuator device 72 has a retracted state in which the front 42 and rear 44 anchor pads are retracted and an expanded state, illustrated in FIG. figure 3 , in which the front 42 and rear 44 anchor pads are deployed.
  • the actuator device 72 is therefore adapted to act on the front 42 and rear anchor pads 44 while being movable relative to the frame 70 in a direction of displacement D2 which is transverse to the longitudinal direction of the drilling machine.
  • the displacement direction D2 corresponding to the deployment direction D1.
  • the assembly consisting of the front anchor pad 42, the rear anchor pad 44 and the actuator device 72 (the jack 74 ) is movable relative to the frame 70 and the drilling module in the direction of displacement D2 .
  • each of the front 42 and rear anchor pads 44 is attached to the actuator device 72 in an articulated manner. More specifically, the front anchor pad 42 is pivotally mounted about an axis X substantially horizontal relative to the actuator device 72. Similarly, the rear anchor pad 44 is also pivotally mounted about a Y axis by relative to the actuator device 72.
  • the anchoring device 40 ' illustrated in figure 4 is a variant of the anchoring device 40 illustrated in FIG. figure 3 .
  • the variant of the figure 4 differs from the device of the figure 3 in that the actuator device 72 ' is a jack 74' provided with a body 76 ' movably connected to the frame 70' and two coaxial rods 78'a and 78'b.
  • the first rod 78'a is fixed to front anchor pad 42 ' in an articulated manner, while the second rod 78'b is hingedly attached to the rear anchor pad 44'.
  • the first and second rods 78'a and 78'b unfold in an opposite manner to bring the front and rear anchor pads against the walls P1, P2 of the excavation .
  • the anchoring device 140 comprises a front anchor pad 142 which is disposed on the front face 32 of the drilling module 30 of the drilling machine 10 of the figure 1 , and a rear anchor pad 144 which is disposed on the rear face 34 of the drilling module 30 of the drilling machine 10 of the figure 1 .
  • the front and rear anchor pads are deployable in a deployment direction D1 which is transverse to the longitudinal direction L of the drilling machine 10, so as to bear against the walls P1, P2 of the excavation E to immobilize the anchoring module in the ground.
  • the anchoring device 140 further comprises a frame 170 which supports the drilling module 50 via the displacement device 60 previously described.
  • the anchoring device 140 further comprises an actuator device 172 to which the front and rear anchor pads 142 and 144 are attached .
  • the actuator device 172 comprises a first cylinder 1741 and a second cylinder 1742, each of the first and second cylinders 1741, 1742 comprises a rod 1781, 1782 hingedly attached to the rear anchor pad 144, via pivot links of axes Y1, Y2 substantially horizontal.
  • the first and second cylinders 1741, 1742 each comprise a body 1761, 1762 which is hingedly attached to the front anchor pad 142 via pivot links of axes X1, X2 which are substantially horizontal.
  • the actuator device 172 has a retracted state, illustrated in FIG. figure 5 , wherein the front and back 142 and back 144 sliders are retracted, and an expanded state, illustrated in FIG. figure 6 .
  • the actuator device 172 is movable relative to the frame 170 in the direction of displacement D2, which is in this example coincides with the deployment direction D1.
  • the actuator device 172 is not directly connected to the frame 170.
  • the actuator device 172 could comprise only one cylinder.
  • the anchoring device further comprises a front guide device 180 for guiding the displacement of the front anchor pad 142 relative to the frame 170 in the deployment direction D1.
  • the forward guide device 180 includes a first front guide member 182 which is attached to the front anchor pad 142 by a fastener portion 184.
  • the first front guide member 182 is slidably mounted to the frame 170 in the direction of D1 deployment .
  • the first front guide member 182 is slidably mounted in an orifice 186 formed in the frame 170.
  • the first front guide member 182 also has a stop 187 which is disposed at the end of the first front guide member. 182 opposite the fixing portion 184.
  • this stop is to prevent the first front guide member from disengaging the frame.
  • the first front guide member 182 is fixed to the front anchor pad 142 in an articulated manner, via a rotational axis pivot connection X3 parallel to the axes X1 and X2 described above.
  • the front guide device 180 further comprises a second front guide member 188, identical to the first front guide member 182, the first and second front guide members 180, 188 being disposed on either side of the actuator device 172. It is specified that the second front guide member 188 is also fixed to the front anchor pad 142 in an articulated manner.
  • the articulation between the second front guide member 188 and the front anchor pad 142 is adapted to allow a slight translation in the longitudinal direction. L to allow the anchor pad before tilting relative to the rear anchor pad.
  • the anchoring device 140 further comprises a rear guide device 190 for guiding the displacement of the rear anchor pad 144 with respect to the frame 170 in the deployment direction D1.
  • the rear guide device 190 is very similar to the front guide device 180, so that it will be described more succinctly.
  • the rear guide device comprises a first rear guide member 192 which is fixed to the rear anchor pad 144 hinged about an axis of rotation Y3 parallel to the axes Y1 and Y2, the first rear guide member 192 also being mounted to frame 170 slidably in the deployment direction D1.
  • the rear guide device 190 further comprises a second rear guide member 198 identical to the first rear guide member 192, the first and second rear guide members being disposed on either side of the actuator device 172.
  • the first and second front guide members 182, 188 are disposed on either side of the first and second rear guide members 192, 198.
  • FIG. 7 There is illustrated the situation in which the walls of the excavation P1, P2 are not strictly vertical or exactly parallel to one another.
  • the front and rear anchor pads 142, 144 are positioned flat against the walls P1, P2 of the excavation; insofar as the wall P1 is not parallel to the wall P2, it is understood that the front anchor pads 142 and 144 are inclined relative to each other.
  • the assembly consisting of the front anchor pad 142, the rear anchor pad 144 of the front guide device 180, and in particular the first and second front guide members and the guide device 190, and in particular the first and second rear guide members forms a trapezium.
  • the frame 170 is slidably mounted in the deployment direction D1 relative to the first and second front and rear guide members 182, 188, 192, 198, it is understood that the frame 170 can move in the direction of deployment. D1 which then constitutes the direction of displacement D2 even though the anchor module is anchored in the ground. As a result, the building 170 of anchoring module 30 with the drilling module 50 are movable relative to the trapezium in the direction of displacement D2.
  • FIG 8 is schematically illustrated a drilling machine 10 according to the invention which comprises two anchoring devices 140 such as those illustrated in FIG. Figures 5 to 7 , except that the actuating device of each of the anchoring devices comprises only one cylinder referenced 174.
  • the frames 170 of the anchoring devices 140 carry the drilling module 50, and in particular the lower section 52. It is also understood that the drilling module 50 is slidably mounted relative to the anchoring module 30. understands it using the figure 8 , the frames 170 anchoring devices are preferably secured to each other by means of connecting members 73 which improves the rigidity of the anchoring module.
  • the drilling module 50 further comprises trajectory correction means 90 for pivoting the drilling module in a vertical plane Q1 which is parallel to the axes of rotation A, B of the drums 18, 20.
  • trajectory correction means 90 comprise first trajectory correction pads 92 arranged on the front face of the lower section which are deployable in a direction T, parallel to the axes of rotation A, B of the drums, to bear against at least one of the walls P1, P2 of the excavation E in order to rotate the drilling module in the vertical plane Q1 .
  • the trajectory correction means 90 further comprise second trajectory correction pads 94 arranged on the rear face of the lower section 52 of the drilling module 50.
  • the deployable pads 92, 94 are arranged in this example in section. bottom of the drilling module. It could also be provided other deployable pads disposed in the upper section of the drilling module, to facilitate the pivoting of the drilling module in the vertical plane Q1 .
  • the drilling path F of the drilling machine 10 has deviated by an angle ⁇ with respect to the direction vertical V.
  • the anchoring devices being in the retracted position, is actuated the path correction means, and more particularly the rear pad 94 , which bears on the wall P2 of the excavation E, which causes the tilting of the drilling machine, suspended from the cable 71, in the vertical plane Q1 .
  • the anchoring devices 140 are actuated , as illustrated in FIG. Figure 9C , so as to immobilize the anchoring module 30 in the excavation E.
  • the actuation of the anchoring devices 140 which causes the deployment of the deployable anchor pads 142, 144, and the possible displacement the actuator device, is made without modification of the position of the frame 170 and the drilling module 50 relative to the walls of the excavation.
  • the displacement device is actuated so as to exert a thrust directed downwards on the cutting members 16 in order to continue drilling in a corrected drill direction F which is now vertical.
  • FIG. 10A, 10D illustrate in detail the drilling device 140 of the anchoring module 30, corresponding to the positions of the drilling machine illustrated in FIG. Figures 9A to 9D .

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  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Paleontology (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Earth Drilling (AREA)
  • Pit Excavations, Shoring, Fill Or Stabilisation Of Slopes (AREA)

Claims (21)

  1. Bohrmaschine (10) zum Herstellen einer Ausschachtung (E) in einem Boden (S) in einer im Wesentlichen vertikalen Bohrrichtung (F), wobei die Bohrmaschine einen unteren Teil (14), der mit Schneidorganen ausgestattet ist, sowie einen oberen Teil (12) aufweist, wobei die Bohrmaschine eine Längsrichtung (L) aufweist, die sich zwischen dem oberen Teil und dem unteren Teil der Bohrmaschine erstreckt, wobei die Bohrmaschine umfasst:
    ein Verankerungsmodul (30) mit einer Vorderseite (32) und einer Rückseite (34), wobei das Verankerungsmodul wenigstens eine Verankerungsvorrichtung (40, 40', 140) umfasst, die wenigstens einen vorderen Verankerungsschuh (42, 42', 142), welcher auf der Vorderseite (32) angeordnet ist, und wenigstens einen hinteren Verankerungsschuh (44, 44', 144), welcher auf der Rückseite (34) angeordnet ist, umfasst, wobei die vorderen und hinteren Verankerungsschuhe in einer Ausfahrrichtung (D1), welche zur Längsrichtung (L) der Bohrmaschine (10) quer verläuft, ausfahrbar sind, um sich an Wänden (P1, P2) der Ausschachtung (E) abzustützen, um das Verankerungsmodul (30) im Boden festzulegen,
    ein Bohrmodul (50), das die Schneidorgane (16) trägt, wobei das Bohrmodul mit dem Verankerungsmodul zusammenwirkt,
    die Verankerungsvorrichtung umfasst ferner:
    einen Rahmen (70, 70', 170), der die vorderen (42, 42', 142) und hinteren (44, 44', 144) Verankerungsschuhe trägt, wobei der Rahmen (70, 70', 170) das Bohrmodul (50) trägt,
    eine Betätigungsvorrichtung (72, 72', 172), an der die vorderen (42, 42', 142) und hinteren (44, 44', 144) Verankerungsschuhe befestigt sind, wobei die Betätigungsvorrichtung einen eingefahrenen Zustand aufweist, in dem die vorderen (42, 42', 142) und hinteren (44, 44', 144) Verankerungsschuhe eingefahren sind, sowie einen ausgefahrenen Zustand, in dem die vorderen (42, 42', 142) und hinteren (44, 44', 144) Verankerungsschuhe ausgefahren sind, wobei die Betätigungsvorrichtung auf die vorderen und hinteren Verankerungsschuhe einwirkt und dabei gegenüber dem Rahmen (70, 70', 170) in einer Bewegungsrichtung (D2) quer zur Längsrichtung beweglich ist,
    wobei die Bohrmaschine dadurch gekennzeichnet ist, dass die Anordnung bestehend aus dem vorderen Verankerungsschuh (42, 42', 142), dem hinteren Verankerungsschuh (44, 44', 144) und der Betätigungsvorrichtung gegenüber dem Rahmen (70, 70', 170) und dem Bohrmodul in der Bewegungsrichtung beweglich ist.
  2. Bohrmaschine nach Anspruch 1, bei der die Betätigungsvorrichtung (72, 72') einen Körper (76, 76') aufweist, der an dem Rahmen (70, 170) in einer Richtung parallel zur Bewegungsrichtung beweglich befestigt ist.
  3. Bohrmaschine nach Anspruch 1, dadurch gekennzeichnet, dass die Verankerungsvorrichtung (140) ferner umfasst:
    eine vordere Führungsvorrichtung (180) zum Führen der Bewegung des vorderen Verankerungsschuhs (142) gegenüber dem Rahmen (170) in der Ausfahrrichtung (D1), und/oder
    eine hintere Führungsvorrichtung (190) zum Führen der Bewegung des hinteren Verankerungsschuhs (144) gegenüber dem Rahmen (170) in der Ausfahrrichtung (D1).
  4. Bohrmaschine nach Anspruch 3, bei der die vordere Führungsvorrichtung (180) wenigstens ein erstes vorderes Führungsorgan (182) aufweist, das an dem vorderen Verankerungsschuh (142) befestigt ist, wobei das erste vordere Führungsorgan (182) an dem Rahmen (170) in der Ausfahrrichtung (D1) verschiebbar angebracht ist.
  5. Bohrmaschine nach Anspruch 4, bei der die vordere Führungsvorrichtung (180) ferner ein zweites vorderes Führungsorgan (188) aufweist, das mit dem ersten vorderen Führungsorgan (182) identisch ist, wobei das erste und das zweite vordere Führungsorgan (180, 188) auf beiden Seiten der Betätigungsvorrichtung (172) angeordnet sind.
  6. Bohrmaschine nach einem der Ansprüche 3 bis 5, bei der die hintere Führungsvorrichtung (190) wenigstens ein erstes hinteres Führungsorgan (192) aufweist, das an dem hinteren Verankerungsschuh (144) befestigt ist, wobei das erste hintere Führungsorgan (192) an dem Rahmen (170) in der Ausfahrrichtung (D1) verschiebbar angebracht ist.
  7. Bohrmaschine nach Anspruch 6, bei der die hintere Führungsvorrichtung (190) ferner ein zweites hinteres Führungsorgan (198) aufweist, das mit dem ersten hinteren Führungsorgan (192) identisch ist, wobei das erste und das zweite hintere Führungsorgan auf beiden Seiten der Betätigungsvorrichtung (172) angeordnet sind.
  8. Bohrmaschine nach einem der vorhergehenden Ansprüche, bei der ein jeder der vorderen (42, 42', 142) und hinteren (44, 44', 144) Verankerungsschuhe an der Betätigungsvorrichtung (72) gelenkig befestigt ist.
  9. Bohrmaschine nach Anspruch 8 und einem der Ansprüche 3 bis 7, bei der der vordere Verankerungsschuh (142) an der vorderen Führungsvorrichtung (180) gelenkig befestigt ist, und bei der der hintere Verankerungsschuh (144) an der hinteren Führungsvorrichtung (190) gelenkig befestigt ist.
  10. Bohrmaschine nach den Ansprüchen 6, 7 und 9, bei der ein jeder der vorderen (142) und hinteren (144) Verankerungsschuhe gegenüber den ersten und zweiten vorderen und hinteren Führungsorganen angelenkt ist.
  11. Bohrmaschine nach Anspruch 9 oder 10, bei der die Anordnung bestehend aus dem vorderen Verankerungsschuh (142), dem hinteren Verankerungsschuh (144), der vorderen Führungsvorrichtung (180) und der hinteren Führungsvorrichtung (190) ein verformbares Trapez bildet, wobei der Rahmen (170) des Verankerungsmoduls (30) mit dem Bohrmodul (50) gegenüber dem verformbaren Trapez in der Bewegungsrichtung (D1) beweglich ist.
  12. Bohrmaschine nach einem der vorhergehenden Ansprüche, bei der die Betätigungsvorrichtung (72, 72', 172) wenigstens einen Zylinder (74, 74', 1741, 1742) umfasst.
  13. Bohrmaschine nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass das Bohrmodul (50) gegenüber dem Verankerungsmodul in Längsrichtung beweglich ist und dass die Maschine ferner wenigstens eine Bewegungsvorrichtung (60) umfasst, die zwischen dem Verankerungsmodul (70, 70', 170) und dem Bohrmodul (50) angeordnet ist, um die Schneidorgane gegenüber dem Verankerungsmodul in Längsrichtung zu bewegen.
  14. Bohrmaschine nach einem der vorhergehenden Ansprüche, bei der das Bohrmodul einen unteren Abschnitt (52), welcher die Schneidorgane trägt, und einen oberen Abschnitt (54), welcher sich in Längsrichtung erstreckt, umfasst, und bei der der obere Abschnitt (54) des Bohrmoduls (50) am unteren Ende (71a) eines Tragseils (70) aufgehängt ist.
  15. Bohrmaschine nach den Ansprüchen 13 und 14, bei der die Bewegungsvorrichtung wenigstens einen Schubzylinder (62, 64) aufweist, der zwischen dem Rahmen der Verankerungsvorrichtung und dem unteren Abschnitt des Bohrmoduls angeordnet ist, wobei der obere Abschnitt des Bohrmoduls gegenüber dem Rahmen der Verankerungsvorrichtung in Längsrichtung beweglich ist.
  16. Bohrmaschine nach Anspruch 14 oder 15, bei der der obere Abschnitt eine Stange (56) aufweist, die das Verankerungsmodul längs durchquert.
  17. Bohrmaschine nach einem der vorhergehenden Ansprüche, bei der das Verankerungsmodul eine Vielzahl von Verankerungsvorrichtungen umfasst, wobei die Rahmen (70, 70', 170) der Verankerungsvorrichtungen fest miteinander verbunden sind.
  18. Bohrmaschine nach einem der vorhergehenden Ansprüche, bei der das Bohrmodul (50) ferner Bahnkorrekturmittel (90) umfasst, um das Bohrmodul in einer vertikalen Ebene (Q1) zu verschwenken.
  19. Bohrmaschine nach Anspruch 18, bei der die Bahnkorrekturmittel (90) Bahnkorrekturschuhe (92, 94) umfassen, die in einer Richtung quer zum Bohrmodul ausfahrbar sind, um sich an wenigstens einer der Wände (P1, P2) der Ausschachtung abzustützen, um das Bohrmodul in der vertikalen Ebene zu verschwenken.
  20. Bohrmaschine nach den Ansprüchen 14 und 19, bei der die Bahnkorrekturschuhe (92, 94) im oberen Abschnitt (54) und/oder im unteren Abschnitt (52) des Bohrmoduls (50) angeordnet sind.
  21. Bohrmaschine nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Bohrmaschine (10) ein Fräser ist, dessen Schneidorgane (16) Walzen (18, 20) umfassen, die um parallele, getrennte und zu der Bohrrichtung senkrechte Rotationsachsen (A, B) herum drehbar sind.
EP16767341.7A 2015-09-10 2016-09-08 Bohrgerät Active EP3347526B1 (de)

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FR1558428A FR3041024B1 (fr) 2015-09-10 2015-09-10 Machine de forage munie d'un dispositif d'ancrage permettant un deplacement horizontal du module de forage en position ancree
PCT/FR2016/052251 WO2017042499A2 (fr) 2015-09-10 2016-09-08 Machine de forage munie d'un dispositif d'ancrage permettant un deplacement horizontal du module de forage en position ancree

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DE202016008567U1 (de) 2018-06-26
KR102337107B1 (ko) 2021-12-08
EP3347526A2 (de) 2018-07-18
US20190085524A1 (en) 2019-03-21
JP2018526550A (ja) 2018-09-13
FR3041024B1 (fr) 2017-09-29
US10724200B2 (en) 2020-07-28
CN108603350A (zh) 2018-09-28
FR3041024A1 (fr) 2017-03-17
SG11201801995YA (en) 2018-04-27
AU2016319501A1 (en) 2018-04-12
AU2016319501B2 (en) 2021-08-05
JP6734917B2 (ja) 2020-08-05
NZ740866A (en) 2023-09-29
KR20180050735A (ko) 2018-05-15
CN108603350B (zh) 2020-08-28
CA2998313A1 (en) 2017-03-16
WO2017042499A2 (fr) 2017-03-16
CA2998313C (en) 2023-09-19
WO2017042499A3 (fr) 2017-09-28

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