EP3347527B1 - Schlitzwandfräse - Google Patents

Schlitzwandfräse Download PDF

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Publication number
EP3347527B1
EP3347527B1 EP16775283.1A EP16775283A EP3347527B1 EP 3347527 B1 EP3347527 B1 EP 3347527B1 EP 16775283 A EP16775283 A EP 16775283A EP 3347527 B1 EP3347527 B1 EP 3347527B1
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EP
European Patent Office
Prior art keywords
drilling
module
anchoring
anchor
relative
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
EP16775283.1A
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English (en)
French (fr)
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EP3347527A1 (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 EP3347527A1 publication Critical patent/EP3347527A1/de
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Publication of EP3347527B1 publication Critical patent/EP3347527B1/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
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F3/00—Dredgers; Soil-shifting machines
    • E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
    • E02F3/18—Dredgers; Soil-shifting machines mechanically-driven with digging wheels turning round an axis, e.g. bucket-type wheels
    • E02F3/188—Dredgers; Soil-shifting machines mechanically-driven with digging wheels turning round an axis, e.g. bucket-type wheels with the axis being horizontal and transverse to the direction of travel
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F3/00—Dredgers; Soil-shifting machines
    • E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
    • E02F3/18—Dredgers; Soil-shifting machines mechanically-driven with digging wheels turning round an axis, e.g. bucket-type wheels
    • E02F3/20—Dredgers; Soil-shifting machines mechanically-driven with digging wheels turning round an axis, e.g. bucket-type wheels with tools that only loosen the material, i.e. mill-type wheels
    • E02F3/205—Dredgers; Soil-shifting machines mechanically-driven with digging wheels turning round an axis, e.g. bucket-type wheels with tools that only loosen the material, i.e. mill-type wheels with a pair of digging wheels, e.g. slotting machines
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F3/00—Dredgers; Soil-shifting machines
    • E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
    • E02F3/18—Dredgers; Soil-shifting machines mechanically-driven with digging wheels turning round an axis, e.g. bucket-type wheels
    • E02F3/22—Component parts
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B3/00—Rotary drilling
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B7/00—Special methods or apparatus for drilling
    • E21B7/04—Directional drilling
    • E21B7/06—Deflecting the direction of boreholes
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D2250/00—Production methods
    • E02D2250/0038—Production methods using an auger, i.e. continuous flight type

Definitions

  • Such a machine is described in particular in the document FR 2 806 112 . It comprises anchoring means which make it possible to block the movement in the vertical drilling direction of the main frame with respect to the walls of the trench, and means for exerting a vertical thrust directed downwards on the milling assembly.
  • Such a machine makes it possible to exert a vertical thrust on the cutting members, the intensity of which is much greater than the weight of the frame, which makes it possible to drill in hard ground, such as for example granite.
  • a drawback of this machine is that the cutting members may have a tendency to slip on hard portions of soil, risking a deviation from the trajectory of the drilling machine, which proves to be problematic, in particular when making cuts. deep drilling.
  • An object of the present invention is to remedy the aforementioned drawbacks by proposing a drilling machine making it possible to drill hard ground while controlling the drilling trajectory.
  • the drilling module is articulated with respect to the anchoring module and the drilling machine comprises at least first trajectory correction means configured to rotate, along a pivot axis transverse to the drilling direction, the drilling modulus relative to the anchoring modulus.
  • the drilling direction is substantially vertical, and at the very least non-horizontal.
  • the drilling module Due to its articulation, the drilling module is mounted in particular to pivot relative to the anchoring module.
  • the pivoting of the drilling module relative to the anchoring module makes it possible to modify the position of the cutting members, and therefore to correct the trajectory of the drilling machine.
  • the first drilling trajectory correction means are actuated while the anchoring device is actuated, that is to say while the anchoring module is stowed in the ground.
  • the anchoring module when it is desired to correct the trajectory of the drilling machine, the anchoring module is immobilized in the ground by actuating the anchoring device, the drilling module is pivoted relative to the anchoring module. by acting on the first trajectory correction means, and acting on the displacement means to move the drilling module in translation downward relative to the anchoring module.
  • the pivoting of the drilling module relative to the anchoring module can take place before, after or concomitantly with the translational movement of the drilling module relative to the anchoring module. It is therefore understood that the invention makes it possible to correct the drilling direction in a precise manner by virtue of the anchoring of the anchoring module.
  • Another advantage of the invention is to be able to transmit a force to the cutting members in a direction inclined with respect to the longitudinal direction of the anchoring module, this force being able to present a very high intensity insofar as one can exert a thrust on the drilling module while resting on the walls of the excavation thanks to the anchoring in the ground of the anchoring module.
  • the anchoring module is immobilized in the ground after having pivoted the drilling module relative to the anchoring module in order to correct the trajectory.
  • the articulation between the drilling module and the anchoring module is operated by an articulation member which can be produced by one or more pivot type connections, by a ball joint type connection, or by any other type of means. equivalent joint.
  • This articulation member may belong to the displacement means, or else be arranged between the displacement means and the drilling module, or else between the displacement means and the anchoring module.
  • the anchoring module comprises the first trajectory correction means, which are configured to exert a thrust on the drilling module in a direction transverse to the drilling direction, whereby the actuation of the first path correction means rotates the drilling module relative to the anchoring module.
  • a thrust exerted on the drilling module by the first trajectory correction means arranged on the anchoring module has the effect of causing the drilling module to pivot relative to the anchoring module due to the articulation existing between the drilling module and the anchoring module. This pivoting takes place along the pivot axis transverse to the drilling direction, the latter preferably being horizontal.
  • the pivot axis passes through the anchoring module.
  • the drilling module comprises a lower section carrying the cutting members and an upper section extending at least partly inside the anchoring module, and in which the first trajectory correction means are arranged between the anchor module and the upper section of the drill module.
  • the lower and upper sections can be fixed together one to the other so as to form a single-piece body, or else to be mobile with respect to one another.
  • the pivoting of the drilling module relative to the anchoring module is achieved by the action of the first trajectory correction means on the upper section of the drilling module.
  • the lower section of the drilling module has a length which is preferably substantially equal to the length of the anchoring module. The same is true for the respective widths of the lower section of the drilling module and of the anchoring module.
  • the upper section of the drilling module is movable inside the anchoring module.
  • the upper section of the drilling module is movable in translation and in rotation with respect to the anchoring module.
  • the first trajectory correction means are arranged in the upper part of the anchoring module, while the pivot axis is arranged in the lower part of the anchoring module, in order to benefit from 'a lever arm substantially equal to the length of the anchoring module.
  • the lower section of the drilling module can be mounted to slide relative to the upper section of said drilling module. Also, when actuating the displacement means, the lower section carrying the cutting members moves in translation relative to the upper section in the direction of drilling.
  • the drilling module therefore has a retracted position in which the distance between the cutting members and the upper section is minimum, and a deployed position, in which the distance between the cutting members and the upper section is maximum.
  • the assembly consisting of the upper and lower sections is pivotally mounted relative to the anchoring module.
  • the anchoring module comprises a body and a longitudinal sleeve in which the upper section of the drilling module is slidably mounted, the longitudinal sleeve being articulated with respect to the body.
  • the sleeve is mounted to pivot relative to the body along the pivot axis.
  • the first path correction means are configured to push the sleeve in order to rotate it relative to the body of the anchoring module, which de facto causes the pivoting of the drilling module relative to the anchoring module.
  • the first trajectory correction means are arranged on the sleeve.
  • the upper section of the drilling module passes longitudinally through the anchoring module. More preferably, the upper end of the upper section protrudes beyond the upper end of the anchor module.
  • the drilling machine further comprises second trajectory correction means which are located on the lower section of the drilling module and which are configured to exert a thrust on one of the walls of the excavation in said direction transverse to the direction of drilling.
  • the concomitant action of the first and second trajectory correction means makes it possible to facilitate the pivoting of the drilling module around the pivot axis by exerting on the latter a greater torque than that exerted by the first correction means of trajectory alone.
  • the first trajectory correction means comprise at least one thrust pad.
  • the thrust shoe exerts a thrust on the upper section of the drilling module, while in the second variant, the thrust shoe exerts a thrust on the sleeve.
  • said thrust shoe is actuated by a jack mounted on the anchoring module.
  • the first trajectory correction means are arranged on the drilling module and are configured to exert a thrust on one of the walls of the excavation in a direction transverse to the drilling direction, whereby the actuation of the first trajectory correction means causes the drilling module to pivot relative to the anchoring module.
  • the actuation of the first trajectory correction means causing a thrust exerted on the walls of the excavation in a direction transverse to the drilling direction, has the effect of causing the drilling module to pivot along a pivot axis perpendicular to the drilling direction, which is preferably substantially horizontal. It is specified that the mass of the anchoring module is preferably greater than that of the drilling module.
  • the first trajectory correction means are arranged on the front and rear faces of the drilling module, so as to be able to pivot the drilling module, considered in a first vertical plane, towards the front or towards the rear of the drilling module. drilling module.
  • the front and rear faces are perpendicular to the axes of rotation of the drums.
  • the first trajectory correction means can also be arranged on the lateral sides of the drilling module in order to allow pivoting, in a second vertical plane, orthogonal to the first vertical plane, towards one or the other of the lateral sides.
  • the first trajectory correction means comprise a set of motorized actuators configured to pivot the drilling module relative to the anchoring module without necessarily resting on the walls of the excavation.
  • the displacement means are mounted to pivot relative to the anchoring module, preferably along said pivot axis.
  • the drilling module pivots with the displacement means when the first trajectory correction means are actuated.
  • the displacement means comprise at least one thrust device for exerting a thrust on the cutting members oriented in the direction of drilling and directed downwards.
  • the pushing device makes it possible to ensure that the cutting members remain in contact with the ground to be cut.
  • the pushing device preferably comprises at least one pushing cylinder arranged between the anchoring module and the drilling module. Even more preferably, the pushing device comprises a pair of pushing cylinders arranged on either side of a median longitudinal plane of the drilling machine.
  • the anchoring device comprises at least one anchoring shoe capable of resting on one of the walls of the excavation to block the movement in the direction of drilling of the anchoring module relative to the ground.
  • the anchoring pad is deployed in a direction transverse, preferably orthogonal, to the drilling direction.
  • each of the front and rear faces of the anchoring module is equipped with at least one anchoring pad.
  • the one or more anchoring pads define a substantially continuous surface which extends along a height, considered in the longitudinal direction of the anchoring module, at least equal to the two thirds of the height of said drilling module.
  • the anchoring device comprises a plurality of inflatable cushions arranged on at least one, and preferably both, front and rear faces of the anchoring module.
  • the anchoring of the anchoring module is achieved by inflating the cushions which then come to rest against the walls of the excavation.
  • the drilling machine is provided with damping means in order to damp the vibrations generated by the cutting members during the drilling.
  • the damping means act on the hydraulic circuit which supplies the thrust cylinders. It is for example a hydraulic member of the accumulator type connected to the hydraulic supply circuit of the push cylinder. According to a variant, the damping means could also include spring means mounted in parallel with the thrust cylinders.
  • the drilling machine comprises a lifting cable at the lower end of which the drilling module is suspended.
  • the lift cable extends vertically from a mast of a carrier, known elsewhere.
  • the upper section of the drilling module is slidably mounted in the anchoring module while being suspended from the lower end of the lifting cable.
  • said drilling machine is a cutter, the cutting members of which comprise two pairs of drums which are rotatable about axes of rotation which are parallel, distinct and perpendicular to the direction of drilling.
  • the first trajectory correction means are configured to rotate the drilling module relative to the anchoring module according to a pivot axis perpendicular to the drilling direction which is perpendicular to the drilling direction and to the axes of rotation of the drums.
  • FIG. 1 we will describe a first variant of a first embodiment of the drilling machine 10 according to the present invention.
  • the function of the drilling machine 10 is to carry out an excavation E in a soil S in a drilling direction DF.
  • the vertical direction is illustrated by the reference V.
  • the drilling direction DF may be vertical, or slightly inclined with respect to the vertical direction V.
  • the excavation E has the shape of a substantially rectangular trench and defining walls substantially vertical referenced P1 , P2, P3 and P4.
  • the machine has a height H, a length L and a width l .
  • the height H of the machine extends substantially vertically, while the length L and the width l extend in a substantially horizontal plane and substantially define the length and the width of the cross section of the excavation E.
  • the drilling machine 10 is a cutter which is suspended from the lower end of a lifting cable C which is carried by a lifting mast of a lifting device (not shown) known elsewhere.
  • the drilling machine 10 comprises an anchoring module 12 which is provided in this example with four anchoring devices 14 which, as will be explained in more detail below, are configured to block the movement in the direction of drilling. of the anchoring module 12 relative to the ground S by resting on the walls P1 and P2 of the excavation E.
  • the anchoring devices 14 comprise anchoring pads 16 which are able to bear on the walls P1 and P2 of the excavation, as is illustrated in particular in figures 4 to 6 and 10 to 12, to block the movement in the direction of drilling of the anchoring module relative to the ground during the drilling operation.
  • the anchor pads 16 are actuated by jacks 18 which are configured to exert a horizontal thrust on the anchor pads 16 so that the latter come to press against the walls P1 and P2 facing each other so as to immobilize the anchoring module in the ground.
  • the anchoring module comprises four pads 16 which extend substantially over the entire height of the anchoring module 12.
  • a different number of pads could be provided, provided that their number and their surface are sufficient to immobilize the anchoring module in the ground during drilling operations.
  • the drilling machine 10 further comprises a drilling module 20 which is provided with cutting members 22.
  • the cutting members 22 comprise two pairs of drums 24 which are rotating around axes of rotation A1 , A2 parallel, distinct and perpendicular to the direction of drilling DF.
  • the cutting members are connected to the anchoring module, while being movable in translation with respect to said anchoring module.
  • the drilling machine 10 comprises displacement means 35 for moving the cutting members 22 in translation relative to the anchoring module 12.
  • the drilling module 20 has a lower section 26 which carries the cutters 22 and an upper section 28.
  • the upper section 28 has a lower part 30 and an upper part 32 which crosses the anchor module 12 longitudinally.
  • the lower section 26 of the drilling module is slidably mounted relative to the lower part 30 of the upper section 28 of the drilling module 20.
  • the displacement means which are configured to move the drilling elements relative to the anchoring module 12, comprise a thrust device 36, in this case thrust cylinders 37, configured to exert a thrust on the cutting members which is oriented in the drilling direction DF and directed downwards.
  • the drilling module is in the retracted position, that is to say that the distance between the drilling tools 22 and the anchoring module 12 is minimal.
  • the lower section 26 of the drilling module comprises an upper portion 27 which engages the lower part 30 of the upper section 28 of the drilling module on the figures 7 to 12 , the drilling module is in the deployed position, that is to say that the distance between the drilling tools 22 and the anchoring module 12 is maximum.
  • the drilling module 20 is also articulated relative to the anchoring module 12.
  • the articulation consists of a pivot connection of pivot axis X defined between the anchoring module 12 and the drilling module 20.
  • the pivot axis X is perpendicular to the drilling direction DF and, in this example, extends substantially horizontally.
  • the pivot axis X is located between the lower part 30 and the upper part 32 of the upper section 28 of the drilling module 20. It is also noted that the pivot axis X is disposed at the lower end of the anchoring module 12.
  • the upper part 32 of the upper section 28 of the drilling module 20 extends inside the anchoring module 12 and protrudes beyond the upper end 12a of the anchoring module 12.
  • the drilling machine further comprises first trajectory correction means 40 which are configured to rotate the drilling module 20 relative to the anchoring module 12 along the pivot axis X. It is also specified that the thrust cylinders 37 pivot with the cutting members 22.
  • the first trajectory correction means 40 are arranged on the anchoring module 12, at its upper end 12a, and are configured to exert a thrust in a first direction T1 or T2 in a second direction T2 opposite to T1 , these two directions being transverse to the drilling direction DF , whereby the actuation of the first trajectory correction means 40 causes the drilling module to pivot relative to the anchoring module around the pivot axis X in one direction or the other.
  • the displacement means 35 in this case the thrust cylinders 37, are mounted to pivot relative to the anchoring module 12 about the pivot axis X.
  • the first trajectory correction means 40 located at the upper end 12a of the anchoring module 12, are arranged between the upper end of the anchoring module and the upper part of the section. upper 28 of the drilling module, so that a thrust exerted by the first trajectory correction means 40 has the effect of making the drilling module pivot about the pivot axis X.
  • the first trajectory correction means 40 are arranged on either side of the upper part of the upper section 28 of the drilling module.
  • a thrust exerted by the first trajectory correction means 40 in a direction T2, opposite to the direction T1 has the effect of causing the drilling module to pivot relative to the anchoring module by an angle ⁇ 2 around the pivot axis X in a direction of rotation S2 opposite to the direction of rotation S1 , as a result of which the cutters tend to move towards the wall P2 of the excavation E.
  • the first trajectory correction means 40 comprise thrust pads 42 which are actuated by the jacks 44 mounted at the upper end 12a of the anchoring module 12.
  • the lifting cable C is fixed by its lower end C1 to a fixing member 41 which is integral with the upper end of the upper part 32 of the upper section 28 of the drilling module 20.
  • the upper end of the upper part of the upper section of the drilling module protrudes beyond the upper end 12a of the anchoring module 12.
  • the drilling machine further comprises second trajectory correction means 43 which are located on the lower section 26 of the drilling module 20 and which are configured to exert a thrust on the excavation walls P1 , P2 transversely to the DF drilling directorate. Also, the concomitant actuation of the first and second trajectory correction means 40, 43 makes it possible to facilitate the pivoting of the drilling module 20 relative to the anchoring module 12 about the pivot axis X.
  • the second trajectory correction means 43 are pads arranged on the front and rear faces of the lower section of the drilling module 20.
  • the drilling machine 10 is provided with damping means 45 for damping the vibrations generated by the cutting members 22 during the drilling.
  • the damping means 45 comprise a hydraulic damping device which is connected to the hydraulic circuit supplying the thrust cylinders 37.
  • the anchoring devices are actuated in order to immobilize the module d. anchor 12, as shown in figure 4 .
  • the cutting members being activated
  • the thrust cylinders 37 are actuated in order to push on the cutting members.
  • the drilling module is rotated in order to correct if necessary the drilling direction DF.
  • the anchoring devices are actuated before activating the cutting members and actuating the thrust cylinders.
  • the drilling machine 110 comprises an anchoring module 112 which is provided with four anchoring devices 114 to block the movement in the drilling direction of the anchoring module 112 relative to the ground S , in particular during the drilling operation. , resting on the walls P1 , P2 of the excavation E.
  • the anchoring devices 114 comprise several deployable anchoring pads 116 which are able to bear on the walls P1 , P2 of the excavation E to block the vertical displacement of the anchoring module relative to the ground S.
  • the anchoring devices 114 extend over the entire height of the anchoring module, the anchoring pads forming four rows which extend along the lateral ends of the front and rear faces of the drilling module.
  • the drilling machine 110 further comprises a drilling module 120 which is provided with a cutting member 122, similar to the cutting members. section of the first embodiment. These cutting members are connected to the anchoring module 112 while being movable in translation with respect to said anchoring module.
  • the drilling machine 110 comprises displacement means 135 for moving the cutting members 122 relative to the anchoring module 112, these displacement means comprising a thrust device 136, comprising thrust cylinders 137 arranged between the module of anchor and drilling module.
  • This thrust device 136 is configured to exert a thrust on the cutting members 122 oriented in the direction of drilling DF and directed downward.
  • the drilling module has a lower section 126 carrying the cutters 122, and an upper section 128 which extends inside the anchoring module 112.
  • the upper section 128 of the drilling module is slidably mounted inside the anchoring module 112 in the longitudinal direction of the anchoring module.
  • the actuation of the thrust cylinders 137 has the effect of moving the assembly consisting of the lower section 126 and the upper section 128 of the drilling module relative to the anchoring module, as illustrated in figures 19 and 20 .
  • the actuation of the thrust cylinders 137 is preferably carried out after the anchoring module 112 is immobilized in the ground.
  • the drilling machine 110 immobilized in the ground S, thanks to the actuation of the anchoring devices 114.
  • the figure 20 shows the machine of the figure 16 after actuation of the thrust cylinders 137 which exert a downward thrust on the cutting members 122.
  • the drilling module 120 is also articulated relative to the anchoring module 112.
  • this articulation consists of a pivot connection around a pivot axis X allowing a pivoting of the drilling module 120 relative to the anchoring module 112 as in the first variant, the pivot axis X and substantially horizontal.
  • the upper section 128 of the drilling module 120 has the shape of a longitudinal bar which is engaged in a sleeve 160 articulated relative to to the body 161 of the anchoring module 112. It is understood that this sleeve 160 belongs to the anchoring module 112 and forms a tube through which the upper section 128 of the drilling module 120 can slide. This sleeve 160 is mounted to pivot relative to the body 161 of the anchoring module around the pivot axis X.
  • the pivoting of the drilling module 120 relative to the anchoring module 112 is achieved by rotating the sleeve 160 relative to the body 161 of the anchoring module 112 around the pivot axis X, the pivoting of the sleeve 160 causing the pivoting of the upper section 128 of the drilling module, and therefore the pivoting of the drilling module 120 in the direction of rotation S1 , or in the direction of rotation S2.
  • thrust cylinders 137 are arranged between the sleeve 161 and the lower section of the drilling module, so that the pushing device 136 pivots with the drilling module 120.
  • the drilling machine comprises first trajectory correction means 140, better visible in the detail view of the figure 17 , which are operable and configured to rotate the sleeve 160 relative to the body 161 of the anchoring module about the pivot axis X.
  • the drilling direction DF corresponds to the longitudinal axis of the upper section 128 of the drilling module, and therefore also corresponds to the longitudinal direction of the sleeve 160.
  • the pivot axis X is perpendicular to the drilling direction DF.
  • the displacement means 135, in this case the thrust cylinders 137 are mounted to pivot relative to the anchoring module 112 about the pivot axis X.
  • the anchoring module 112 comprises the first trajectory correction means 140, which are configured to exert a thrust on the drilling module 120 in a direction T which is transverse to the drilling direction DF, whereby the actuation of the first trajectory correction means rotates the drilling module relative to the anchoring module.
  • the first path correction means 140 are arranged between the sleeve 160 and the body 161 of the anchoring module, so that the actuation of the first path correction means 140 in the direction T has the effect of causing the sleeve 160 to pivot relative to the body 161 of the anchoring module around the pivot axis X.
  • the first trajectory correction means 140 comprise thrust pads 142 which are actuated by jacks 144 mounted on the sleeve 160 of the anchoring module.
  • FIG 21 there is illustrated a second embodiment of the drilling machine 210 according to the invention.
  • the drilling machine 210 is similar to that of the second variant of the first embodiment.
  • the 210 drilling machine differs from that of the figure 18 essentially by the fact that, in this second embodiment, the first trajectory correction means 280, 282 are arranged on the drilling module 220 , and more particularly on the front face 271 and the rear face 273 of its lower section 226 .
  • the first trajectory correction means 240 are configured to exert a thrust on one or the other of the walls P1 and P2 of the excavation in a direction transverse to the direction of drilling.
  • the first trajectory correction means comprise thrust pads which extend along the height of the lower section 226 of the drilling module 220 and which are configured to deploy transversely in order to push on one or the other of the walls P1 and P2 according to the desired direction of pivoting.
  • each of the front and rear faces has a pair of thrust pads.
  • the actuation of the first trajectory correction means has the effect of causing the drilling module to pivot relative to the anchoring module about the pivot axis X.

Claims (15)

  1. Bohrmaschine (10, 110, 210) zum Herstellen einer Ausschachtung (E) in einem Boden (S) in einer vertikalen Bohrrichtung (DF), wobei die Ausschachtung Wände aufweist und die Bohrmaschine, die ein Fräser ist, umfasst:
    ein Verankerungsmodul (12, 112, 212), das mit mindestens einer Verankerungsvorrichtung (14, 114, 214) versehen ist, um durch Anliegen an einer der Wände (P1, P2) der Ausschachtung (E) die Verschiebung des Verankerungsmoduls (12, 112, 212) in Bohrrichtung relativ zum Boden (S) zu blockieren,
    ein Bohrmodul (20, 120, 220), das mit Schneidelementen (22, 122, 222) versehen ist, wobei die Schneidelemente mit dem Verankerungsmodul (12, 112, 212) verbunden sind, während sie relativ zum Verankerungsmodul translatorisch bewegbar sind, wobei die Schneidelemente zwei Paare von Trommeln (24) aufweisen, die um parallele, getrennte Drehachsen (A1, A2) drehbar sind, die senkrecht zur Bohrrichtung liegen, und
    Verschiebemittel (35, 135, 235) zum translatorischen Verschieben der Schneidelemente (22, 122, 222) relativ zum Verankerungsmodul (12, 112, 212),
    dadurch gekennzeichnet, dass das Bohrmodul (20, 120, 220) relativ zu dem Verankerungsmodul (12, 112, 212) angelenkt ist und dass die Bohrmaschine ferner mindestens erste Bahnkorrekturmittel (40, 140, 240) aufweist, die dazu ausgelegt sind, das Bohrmodul (20, 120, 220) relativ zu dem Verankerungsmodul (12, 112, 212) entlang einer Schwenkachse (X) senkrecht zur Bohrrichtung (DF) zu schwenken.
  2. Bohrmaschine gemäß Anspruch 1, wobei das Verankerungsmodul die ersten Bahnkorrekturmittel (40, 140) aufweist, die dazu ausgelegt sind, einen Druck auf das Bohrmodul in einer Richtung (T1, T2) quer zur Bohrrichtung (DF) auszuüben, so dass durch die Betätigung der ersten Bahnkorrekturmittel das Bohrmodul relativ zum Verankerungsmodul verschwenkt wird.
  3. Bohrmaschine gemäß Anspruch 2, wobei das Bohrmodul (20, 120) einen unteren Abschnitt (26, 126), der die Schneidelemente (22, 122) trägt, und einen oberen Abschnitt (28, 128), der sich zumindest teilweise innerhalb des Verankerungsmoduls (12, 112) erstreckt, aufweist, und wobei die ersten Bahnkorrekturmittel zwischen dem Verankerungsmodul und dem oberen Abschnitt des Bohrmoduls angeordnet sind.
  4. Bohrmaschine gemäß Anspruch 3, wobei die Bohrmaschine ferner zweite Bahnkorrekturmittel (43) aufweist, die sich am unteren Abschnitt (26) des Bohrmoduls (20) befinden und dazu ausgelegt sind, einen Druck auf eine der Wände der Ausschachtung (P1, P2) quer zur Bohrrichtung (DF) auszuüben.
  5. Bohrmaschine gemäß einem der Ansprüche 1 bis 4, wobei die ersten Bahnkorrekturmittel (40, 140) mindestens eine Druckkufe (42, 142) umfassen.
  6. Bohrmaschine gemäß Anspruch 5, wobei die Druckkufe (42, 142) durch einen am Verankerungsmodul angebrachten Zylinder (44, 144) betätigt wird.
  7. Bohrmaschine gemäß Anspruch 1, wobei die ersten Bahnkorrekturmittel (240) auf dem Bohrmodul (220) angeordnet und dazu ausgelegt sind, einen Druck auf eine der Ausschachtungswände in einer Richtung quer zur Bohrrichtung auszuüben, so dass durch die Betätigung der ersten Bahnkorrekturmittel das Bohrmodul relativ zum Verankerungsmodul verschwenkt wird.
  8. Bohrmaschine gemäß einem der vorangehenden Ansprüche, wobei die Verschiebemittel relativ zum Verankerungsmodul (12, 112, 212) schwenkbar montiert sind.
  9. Bohrmaschine gemäß einem der vorangehenden Ansprüche, wobei die Verschiebemittel eine Druckvorrichtung (36, 136, 236) zum Ausüben eines in Bohrrichtung (DF) orientierten und nach unten gerichteten Drucks auf die Schneidelemente umfassen.
  10. Bohrmaschine gemäß Anspruch 9, wobei die Druckvorrichtung mindestens einen zwischen dem Verankerungsmodul und dem Bohrmodul angeordneten Druckzylinder (37, 137, 237) aufweist.
  11. Bohrmaschine gemäß einem der vorangehenden Ansprüche, wobei die Verankerungsvorrichtung (14, 114, 214) mindestens eine Verankerungskufe (16, 116, 216) aufweist, die geeignet ist, an einer der Wände (P1, P2) der Ausschachtung (E) anzuliegen, um die Verschiebung des Verankerungsmoduls in Bohrrichtung relativ zum Boden (S) zu blockieren.
  12. Bohrmaschine gemäß einem der vorangehenden Ansprüche, wobei die Bohrmaschine ferner mit Dämpfungsmitteln (45) zum Dämpfen von Vibrationen versehen ist, die durch die Schneidelemente während des Bohrens erzeugt werden.
  13. Bohrmaschine gemäß einem der vorangehenden Ansprüche, dadurch gekennzeichnet, dass sie ein Tragseil (C) umfasst, an dessen unterem Ende das Bohrmodul (20) aufgehängt ist.
  14. Bohrmaschine gemäß Anspruch 13 und einem der Ansprüche 3 und 4, wobei der obere Abschnitt (28) des Bohrmoduls (20) durch das Verankerungsmodul (12) verläuft und das Tragseil am oberen Ende (28a) des oberen Abschnitts (28) des Bohrmoduls befestigt ist.
  15. Bohrmaschine gemäß einem der vorangehenden Ansprüche, wobei die ersten Bahnkorrekturmittel dazu ausgelegt sind, das Bohrmodul relativ zum Verankerungsmodul um eine Schwenkachse (X), die senkrecht zu den Drehachsen (A1, A2) der Trommeln (24) liegt, zu verschwenken.
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FR1558425A FR3041022B1 (fr) 2015-09-10 2015-09-10 Machine de forage ancrable munie d'un module de forage articule et mobile en translation
PCT/FR2016/052245 WO2017042495A1 (fr) 2015-09-10 2016-09-08 Machine de forage

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FR3078739B1 (fr) * 2018-03-09 2020-03-27 Soletanche Freyssinet Machine de forage comportant un dispositif de connexion pour un dispositif de mesure de verticalite
FR3083819B1 (fr) * 2018-07-13 2020-11-27 Soletanche Freyssinet Kit d'ancrage pour machine de forage
DE102019101305A1 (de) * 2019-01-18 2020-07-23 Liebherr-Werk Nenzing Gmbh Modulare Schlitzwandfräse
KR102373567B1 (ko) * 2020-06-03 2022-03-11 (주)나우이엔에스 트렌치커터의 굴착 자동화 시스템 및 방법
EP4053342B1 (de) * 2021-03-01 2023-10-11 BAUER Maschinen GmbH Schlitzwandfräsvorrichtung und verfahren zum fräsen eines frässchlitzes im boden
EP4112816B1 (de) * 2021-07-01 2023-09-13 BAUER Maschinen GmbH Schlitzwandgerät und verfahren zum erstellen eines schlitzes im boden

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FR3041022B1 (fr) 2017-09-29
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CN108495967B (zh) 2021-05-11
EP3347527A1 (de) 2018-07-18
US10480147B2 (en) 2019-11-19
US20190040601A1 (en) 2019-02-07
CN108495967A (zh) 2018-09-04
KR20180053329A (ko) 2018-05-21
KR102337105B1 (ko) 2021-12-08
JP6738410B2 (ja) 2020-08-12
DE202016008572U1 (de) 2018-06-20
WO2017042495A1 (fr) 2017-03-16

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