EP3119989B1 - Treuil de forage et procédé - Google Patents

Treuil de forage et procédé Download PDF

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Publication number
EP3119989B1
EP3119989B1 EP15721355.4A EP15721355A EP3119989B1 EP 3119989 B1 EP3119989 B1 EP 3119989B1 EP 15721355 A EP15721355 A EP 15721355A EP 3119989 B1 EP3119989 B1 EP 3119989B1
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EP
European Patent Office
Prior art keywords
drill
spanning means
spanning
unit
drilling direction
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.)
Not-in-force
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EP15721355.4A
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German (de)
English (en)
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EP3119989A1 (fr
Inventor
Sverker Hartwig
Ulf KÄMPE
Camilla SPÅNGBERG
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.)
Epiroc Rock Drills AB
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Epiroc Rock Drills AB
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Publication date
Application filed by Epiroc Rock Drills AB filed Critical Epiroc Rock Drills AB
Priority to PL15721355T priority Critical patent/PL3119989T3/pl
Publication of EP3119989A1 publication Critical patent/EP3119989A1/fr
Application granted granted Critical
Publication of EP3119989B1 publication Critical patent/EP3119989B1/fr
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Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21C—MINING OR QUARRYING
    • E21C25/00—Cutting machines, i.e. for making slits approximately parallel or perpendicular to the seam
    • E21C25/58—Machines slitting by drilling hole on hole
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21C—MINING OR QUARRYING
    • E21C35/00—Details of, or accessories for, machines for slitting or completely freeing the mineral from the seam, not provided for in groups E21C25/00 - E21C33/00, E21C37/00 or E21C39/00
    • E21C35/06—Equipment for positioning the whole machine in relation to its sub-structure

Definitions

  • the invention relates to a drill module for extraction drilling starting from a gallery below ground.
  • the invention also relates to a method for setting up a drill module and a drill rig including a drill module.
  • a drill rig for underground drilling wherein, before operation, a carrier vehicle with a drill unit being pivotal on a body is stabilized in a gallery, starting from where the extraction drilling is intended.
  • horizontal as well as vertical spanning means are arranged on the body.
  • the drill unit exhibits means for rotation and power driving a drill string with a drill bit for the purpose of providing the drilling operation.
  • the drill unit can be provided with spanning means acting opposite to a drilling direction of the drill rig.
  • the drill rig works well for the particular type of extraction drilling it is intended.
  • the present invention is a further development of the known drill rig, said further development aiming at obtaining enhanced drilling properties for extraction drilling in limited spaces.
  • the invention concerns a drill module for extraction drilling starting from a gallery below ground, wherein the drill module has two sideward directions, and wherein the drill module includes: a body, a drill unit having rotation and drive means for a drill string with a drill bit and being pivotally attached to the body for adjustability in a transverse plane, which is parallel to said sideward directions for setting the drill unit in a chosen drilling direction, power means arranged between the body and the drill unit for achieving said setting of the drill unit, a first set of spanning means for action downwards towards a ground support for the drill module, a second set of spanning means which are positioned directed sideways for action essentially directed to sidewall portions of said gallery.
  • the invention is distinguished by a third set of spanning means being attached to the drill unit and being directed at angle to the drilling direction for application against roof portions of said gallery for obtaining direct stabilization of the drill unit relative to these roof portions.
  • the spanning means of the third set are directed in a direction or in directions, which deviate (-s) from the drilling direction and is (are) not parallel to the drilling direction in order to ensure that forces and torques occurring during drilling can be stably resisted. In particular during drilling with high power, such forces and torques otherwise tend to seriously influence the alignment of the drill unit and thereby negatively influence the drilling operation.
  • these forces are resisted by such spanning means being included in the third set of spanning means that are positioned in the region of the outer, free or distal part of the drill unit facing away from its pivot connection to the body.
  • the third set of spanning means only includes spanning means that are positioned in the region of the outer, free or distal part of the drill unit facing away from its pivot connection to the body.
  • the spanning means of the third set however normally come in pairs with a front pair and a rear pair, as seen in the drilling direction.
  • the spanning means in each pair are typically preferably separated from each other seen crosswise from the drilling direction. Thereby the resistance against twisting tendencies because of said torque emanating from rotational driving of the drill bit is enhanced.
  • the ore being intended to be extracted with the inventive drill module is often present in very large shallow bowl-shaped formations, whereby extraction of the ore is performed in directions relatively close to the horizontal.
  • the drill unit is pivotal to act in directions sideways, as seen in a main direction of the gallery, and is pivotal in a transverse plane perpendicular to this direction.
  • the drilling direction is therefore essentially laterally and is adjusted into an angle of elevation in respect of the horizontal (a horizontal plane) or, expressed more simply, the drilling direction is adjustable in respect of a base plane of the rig itself.
  • the drill unit is pivotal over an angle of about 10° below the horizontal to an angle of about 30° over the horizontal even if angular settings outside these values can come into question.
  • drilling direction is intended the direction of the drill string from the drill unit.
  • Drill direction can be truly in said drilling direction (from the drill unit) and opposite this drilling direction (towards the drill unit).
  • spanning means of the third set are rigidly attached such that the spanning means included therein are permanently directed in a certain determined angle to said drilling direction.
  • This angle to the drilling direction is typically essentially perpendicular.
  • the third set of spanning means has spanning means that permanently form respective determined angles to the drilling direction deviating from 90° for example in order to better resist axial forces in the drill string.
  • relative angles between individual spanning means being part of the thirds set of spanning means can vary such that for example a front pair of spanning means can exhibit a first angle or angles to the drilling direction and a rear pair a second angle or angles to the drilling direction.
  • Separate spanning means included in a pair can be parallel to each other or be arranged with a possibly adjustable angle relative to each other.
  • drill module is here intended a component of a drill rig including a body and a drill unit arranged pivotal thereon.
  • the drill module can be supplemented with necessary devices for the rock drilling operation so as to form an inventive drill rig.
  • Drill rigs according to the invention can be of different kinds, for example such that are comprised of only one, two or three or more vehicle parts.
  • a vehicle part including an inventive drill module can have or not have its own propulsive capacity.
  • An inventive drill rig produced within the scope of the invention can also completely lack its own propulsive capacity and is in that case positioned at an operation site by an external vehicle or in any other way with the aid of external displacement means.
  • At least one spanning means being included in the third set of spanning means is pivotally attached to the drill unit, it/they can be adjusted such that, in particular, forces acting axially in the drill string are resisted according to calculated requirements.
  • the adjustability can also be valuable for ensuring spanning against a suitably formed rock portion. In particular angles between 70°-110° to the drilling direction can come into question, wherein, depending on kind of operation of the drill module, axial pressing forces as well as axial tensional forces in the drill string can be resisted as required.
  • the adjustability is suitably guaranteed with the aid of suitably positioned hydraulic cylinders and rotational motors respectively.
  • the spanning means included in the third set of spanning means are arranged fixed, it is advantageous that they are directed in angles between 70°-110° to the drilling direction.
  • Spanning means for action in a sideways direction essentially opposite to the drilling direction and being included in the second set of spanning means are attached to the body. Spanning means for action in a sideways direction essentially opposite to the drilling direction and being included in the second set of spanning means are attached to the drill unit.
  • Spanning means for action in a sideways direction essentially opposite to the drilling direction and being included in the second set of spanning means are attached to the drill unit.
  • said spanning means for action in a sideways direction essentially opposite to the drilling direction are fastened pivotal in respect of the drilling direction in order to this way be adjustable at different angles to the drilling direction.
  • the spanning means for action in a sideways direction essentially opposite to the drilling direction are then suitably pivotal in at least a plane being parallel to the transverse plane.
  • an adjustable, pivotal spanning means can be adjusted or pivoted to be applied against portions of an existing wall at the side of the drill rig, said portions comprising relative high resistance against surface pressure.
  • Said adjustable spanning means are suitably swing drivable with the aid of a respective hydraulic cylinder or swing motor for simplified adjustment.
  • the gallery for the set up of a drill module/drill rig cuts through a thin ore body, which in itself can have relative low resistance to surface pressure. For that reason it is valuable to be able to apply the adjustable spanning means against gallery wall portions that are not a part of the ore body and instead belongs to gallery wall portions comprising relatively high resistance to surface pressure.
  • the drill unit includes a distal and a proximal frame part which are separated by means of elongated support means formed for linear guiding said rotation and driving means.
  • the drill unit is suitably pivotally attached to the body for pivotal moment through joint means which are attached to the proximal frame part.
  • each frame part is comprised of or includes a piece of metal plate.
  • the drill unit is also preferably at an upper and proximal part provided with spanning means for action against a gallery wall surface sideways of the drill module, essentially opposite to the drilling direction.
  • the spanning means are preferably swingable to be angularly adjustable relative to the drilling direction.
  • the spanning means are suitably swing drivable with the aid of a respective hydraulic cylinder or swing motor for facilitating adjustment.
  • At least a part of and more preferred all spanning means belonging to the drill module are hydraulically actuated power means of piston-cylinder type. It is however not excluded that purely mechanical motor-driven power means are used such as jacks of screw-nut type.
  • the drill unit is suitably pivotal relative to the body over pivot joints and there are preferably power transfer means provided between each pivot joint and an adjacent attachment for a spanning means of the second set.
  • a drill rig preferably includes a control unit for controlling adjustment of the spanning means and for controlling positioning and elevation (setting a drilling angle at a chosen angle of elevation) of the drill unit.
  • the control unit is suitably arranged to allow automatic adjustment of the spanning means for on the one hand directing the drill module in respect of a supporting ground, on the other hand to ensure that the spanning means are initiated and applied with an adequate pressure against chosen rock surface portions at predetermined angles.
  • the control unit is furthermore suitably arranged to make possible automatic adjustment of the drill unit for drilling at an intended position in an intended direction.
  • the drill rig is preferably arranged such that the body with the drill unit is included in a drill module, which is connected to at least one drive unit provided with drive wheels or bands for propulsion of the drill rig.
  • the drill module is more preferably connected on the one hand to a first drive unit comprising power module including drive motor and power aggregate for supply to the rig, on the other hand with a second drive unit comprising operator module with interface for an operator, drill string component supply and drill string joining means.
  • the rig hereby preferably includes two drive units with an intermediate drill module.
  • the invention also concerns a method for setting up a drill module for extraction drilling starting from a gallery below ground, wherein the drill module includes a body and a drill unit which is pivotally attached to the body for adjustability in a transverse plane, which is parallel to sideward directions of the drill module for setting the drill unit in a chosen drilling direction, wherein the method includes the steps: activating a first set of spanning means downwardly against a ground support of the drill module, activating a second set of spanning means for action essentially oppositely onto sidewall portions of said gallery.
  • a third set of spanning means which are attached to the drill unit and directed at an angle to the drilling direction are applied against roof portions of said gallery for direct stabilization of the drill unit relative to these roof portions.
  • At least one spanning means being included in the third set of spanning means is set at an angle between 70°-110° to the drilling direction.
  • Spanning means being included in the second set of spanning means for action in a sideways direction essentially opposite to the drilling direction are preferably adjusted angularly in a plane being parallel to the transverse plane
  • the drill rigs in figs. 1 , 2 and 3 which are laid out essentially likewise include three modules, namely a drill module 1 with a drill unit 5 including a drill aggregate having means for rotation and forward driving of a drill bit 6, a power module in the form of a first drive unit 2 and an operator module in the form of a second drive unit 3.
  • Different machine parts such as propulsion means, spanning means, a drill string component supply and drill string joining means are included in the drill rigs. Some of these machine parts are not shown in the figures.
  • the operation of the respective drill rig is controlled by a computerized control system.
  • the reference number 10 indicates rock with a relatively thin ore-carrying formation 11 extending there through.
  • a gallery 12 has been formed through the rock and extends along the ore-carrying formation 11.
  • the extension and the approximate thickness of the ore-carrying formation 11 are indicated in figs. 1 and 2 with two interrupted lines.
  • the ore-carrying formation 11 is inclined, and for that reason that the drill aggregate has been swung to an elevation angle ⁇ .
  • a base plane of the drill module 1 is indicated with B.
  • a second hole H 2 is drilled along a second axis A 2 also extending along the approximate central plane of the ore-carrying formation 11.
  • the axes A 1 and A 2 can be parallel but they can also be non parallel if necessary.
  • the distance S between the axes A 1 and A 2 is chosen such that the holes H 1 and H 2 intersect or overlap with each other as is shown in fig. 1 .
  • the material being disintegrated and drilled out is collected for example by a (not shown) mechanical transporter or a suction equipment arranged in connection with the drill bit for transporting away loosened material for further handling.
  • the drill string is comprised of a number of axially aligned tubular drill string components 28 which are joined to each other and which are added to the drill string.
  • the drill unit can be arranged for drilling in the direction of or opposite to the arrow O, i.e. from or towards the drill rig.
  • the drill module 1 which comprises the base plane (see fig. 2 ), has a body 4 supporting the drill unit 5 with its rotation and driving means for the drill bit 6.
  • the drill unit 5 is in the shown example pivotally adjustable in a transverse plane (T in fig. 1 ) to the drill rig (as seen from a propulsion direction of the drill rig and a general longitudinal extension of the gallery where the drill rig is to be set up) for drilling in directions essentially perpendicular to a longitudinal direction L of the drill module 1.
  • the transverse plane T is parallel to sideward directions S1 and S2 (shown in fig. 2 ) of the drill rig.
  • the drill module 1 is in this embodiment over a first swing joint 14 coupled to a first drive unit 2 comprising power module, which inside a cover receives a power unit, hydraulic pumps etc. for supplying the drill rig with hydraulic oil under pressure.
  • the first drive unit 2 comprises two individually drive controllable/drivable wheels arranged on one wheel axis, whereof one is indicated with 8 on the figure.
  • the drill module 1 connects over a second swing joint 15 to a second drive unit 3 comprising operator module.
  • This module comprises an interface for cooperation with an operator in an operator cabin 29 and a supply of drill string components 28, which with the aid of a suitable not shown transfer mechanism are made available for the drill module 1 in connection with the drilling operation of the drill rig.
  • the first and the second swing joints 14 and 15 are in the shown embodiment disposed with swing axes essentially at a right angle to said base plane B.
  • a lockable pendulum joint 19 (indicated with interrupted lines), allowing a pendulum motion of the first drive unit 2 in respect of the drill module 1 and the second drive unit 3 for facilitating driving on uneven ground.
  • the second drive unit 3 exhibits two individually drivable wheels arranged on a wheel axis, whereof one is indicated with 8 on fig. 3 .
  • the drill module 1 has on its body 4 a first set of spanning means 13 for action downwardly against a ground support of the drill rig, in principal one spanning means 13 in each one of the four corners of the body 4, for application against a ground support and supporting and/or lifting the entire drill rig from this ground support.
  • a second set of spanning means 31 and 32 (see also figs. 4a and 4b ), which are positioned directed sideways on the body for action against sidewall portions of said gallery which when applied will come to stabilizing application against a rock side in the gallery where the drill rig is arranged to operate.
  • the drill rig has a longitudinal direction L which is a first direction for essential displacement, (to the right in fig. 1 ).
  • the operation of the drill rig is controlled by a computerized control unit 38.
  • a unit which in principal is a drill module 1 without propulsion capacity for set up with the aid of an external vehicle.
  • the unit shown in fig. 4a can also in principle be a drill module 1 for being included in a drill rig according to the above.
  • the drill unit 5 is here shown supported by the body 4, whereof is shown two elongated side elements 21 and 22 and transverse elements (one out of two is shown).
  • the drill string rotation and driving means 26 is active to rotate and press forward a drill string 27 which at its distal end carries the drill bit 6 for obtaining the rock disintegrating/drilling operation.
  • the drill string 27 is comprised of a number of axially aligned joined tubular drill string components 28.
  • the drill unit 5 is pivotally connected to the body 4 over joint means in the form of pivot joints (not shown) between the proximal frame part 24 and a reinforcement on the side element 22 of the body 4.
  • the pivot joint is positioned at a lower portion of the proximal frame part 24.
  • each linear motor 41 includes a rotator which can be a hydraulic, pneumatic or electric rotator which is pivotally attached to the body and is arranged to rotate a threaded rod. This is in turn in engagement with a nut being pivotally attached to the distal frame part 23. Rotation of the linear motors 41 results in altered elevation of the drill unit in respect of the horizontal or the base plane. It should be noted that the linear motors 41 and the threaded rod can be replaced by any other kind of linear motors such as for example hydraulic cylinders.
  • the first set of spanning means 13 is attached to the body of the rig.
  • the first set of spanning means includes, in the shown embodiment, four vertical spanning means 13 which act against the gallery floor (the fourth one is not shown) and which are capable of being set so as to lift the drill module for the purpose of allowing adequate positioning in respect of said floor, as is mentioned above.
  • said second set of spanning means including spanning means 31 directed essentially opposite to the drilling direction O (or in any case being arranged at the side of the drill module at the opposite side from where the drilling is performed) which are fastened in the region of the proximal end of the drill unit being pivot joined to the body.
  • the second set of spanning means are also included means that are directed essentially in the drilling direction O (or in any case arranged at the side of which the drilling is performed) being indicated with 32. All spanning means belonging to the second set of spanning means 31 and 32 are in this embodiment directed fixed sideways in directions parallel to the sideward directions S1 and S2 of the drill module.
  • a third set of spanning means in the form of spanning means 36 is arranged on the drill unit 5. These spanning means 36 are arranged to be applied against an adjacent roof of the gallery 12 in order to resist forces emanating from the axial driving of the drill unit in the drilling direction of the drill string that tend to twist the drill unit and to press its outer distal part upwards, that is towards said roof.
  • All spanning means belonging to the third set of spanning means 36 are in this embodiment directed fixed in chosen directions sideways in respect of the drilling direction O, suitably angled at 90° in respect of the drilling direction O. It can however be arranged that the third set of spanning means has spanning means that are permanently angled relative to the drilling direction O with an angle deviating from 90°, for example in order to better resist axial forces in the drill string.
  • a drill module 1 (or a part of a drill rig, onto which for example drive units are/can be coupled) similar to the one described in connection with fig. 4a but in certain aspects alternatively constructed is shown in fig. 4b .
  • said spanning means 31' being directed essentially opposite to the drilling direction O being included in the second set of spanning means are pivotally attached to the drill unit 5 for swinging in a vertical plane in parallel with said transverse plane T and perpendicular to the base plane B ( fig. 2 ).
  • the spanning means 31' are here shown to be pivotally attached to the proximal frame part 24 of the drill unit 5.
  • the spanning means 31' can however also be pivotally attached to the body 4.
  • these spanning means 31' can be swingable and adjustable in different angles to the drilling direction O. This is a great advantage since hereby the swingable spanning means can be swung to be applied to portions of an existing wall in the gallery, at the side of the drill rig, said portions having relatively high or as high as possible resistance to surface pressure.
  • pivotal adjustable spanning means 31' are applied (see fig. 2 ) against gallery wall portions 33 having relatively high resistivity to surface pressure, and being below a limiting surface 35 in the gallery of the ore-carrying formation 11 which itself has relatively low resistance to surface pressure. Swinging down of the spanning means 31 therefore allows these spanning means to be applied to more high resistant gallery wall portions 33 resulting in more stable fixation of the drill module.
  • spanning means 36' being included in the third set of spanning means are pivotally attached to the drill unit 5 for swinging in a vertical plane in parallel with said transverse plane T and perpendicular to the base plane B ( fig, 2 ).
  • said spanning means 36' being adjustable, forces acting axially in the drill string can be resisted after calculated requirements. As is understood from the above, they can also be adjusted for application against for example suitably shaped rock portions.
  • said spanning means can be swingable and adjustable in angles between 70°-110° to the drilling direction O, wherein axial pressure forces as well as axial tensile forces in the drill string can be resisted as required.
  • pivotal spanning means included in the second as well as in the third set pivotal and others fixed directed. It is also possible to make the fasteners such that the pivotal spanning means are angularly adjustable even in other directions than only in parallel with said transverse plane T.
  • the pivotal spanning means are suitably after adjustment lockable in a chosen angular position.
  • Swing drivability is suitably achieved with the aid of for example a hydraulic cylinder or a rotational actuator (not shown).
  • Fig. 4b shows hydraulic cylinders 30 for swinging the spanning means being included in the second set.
  • spanning means (not shown), which are positioned at the upper part of the drill unit and directed opposite to the drilling direction O, can be arranged intended to be in engagement with a gallery wall for resisting axial forces in the drill string 27.
  • a computerized control unit 38 advantageously controls the different spanning means and actuators to swing the drill unit and for positioning the drill module and the drill unit before operation in order to obtain an angle of elevation for drilling purposes. Also means for propulsion and steering the drill rig contributes to positioning of and directing the drill string.
  • Fig. 5 illustrates a sequence of an inventive method, wherein:
  • the method sequence can be supplemented and be varied and some of the steps can be performed in different order.
  • the drill unit can be constructed to have for example a boxlike structure instead of the relative open structure shown for the purpose of separated frames.
  • the drill unit can be fastened to the body in other ways, for example over a centrally positioned pivot joint instead of a pivot joint positioned at the side which is shown.
  • the drill unit can have the pivot joints fastened at its front region in order to allow them to be pivoted around a joint positioned that way. This gives greater possibilities of having elevation angles being negative and to extract in directions that are inclined downwardly.
  • the invention can be applicable for rock drill rigs of different kinds than what is shown in the drawings, for example such that are constructed of only one or of two vehicle parts. It is also within the scope of the invention that the drill rig according to the invention lacks its own propulsive capacity.

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  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Earth Drilling (AREA)

Claims (12)

  1. Module de forage (1) permettant un forage d'extraction en commençant depuis une galerie (12) au-dessous du sol, le module de forage ayant deux directions latérales (S1, S2), et le module de forage comportant :
    - un corps (4),
    - une unité de forage (5) équipée de moyens de rotation et d'entraînement d'un train de tiges (27) comportant un trépan (6) et attachée de manière pivotante au corps en vue de son réglage dans un plan transversal (T), lequel est parallèle auxdites directions latérales (S1, S2) pour régler l'unité de forage dans une direction de forage choisie (0),
    - un moyen de puissance (41) agencé entre le corps (4) et l'unité de forage (5) pour réaliser ledit réglage de l'unité de forage,
    - un premier ensemble de moyens d'enjambement (13) permettant une action vers le bas vers le support au sol du module de forage,
    - un deuxième ensemble de moyens d'enjambement (31, 31', 32), lesquels sont positionnés latéralement permettant une action dirigée essentiellement vers des parties de parois latérales de ladite galerie, caractérisé par
    - un troisième ensemble de moyens d'enjambement (36, 36') attaché à l'unité de forage (5) et dirigé selon un certain angle par rapport à la direction de forage (0) pour permettre une application contre des parois de plafond de ladite galerie afin d'obtenir une stabilisation directe de l'unité de forage (5) par rapport à ces parties de plafond.
  2. Module de forage selon la revendication 1, caractérisé en ce qu'au moins un moyen d'enjambement inclus dans le troisième ensemble de moyens d'enjambement (36') est attaché de manière pivotante à l'unité de forage.
  3. Module de forage selon la revendication 2, caractérisé en ce que chacun dudit au moins un moyen d'enjambement (36') pivote dans un plan parallèle au plan transversal (T).
  4. Module de forage selon la revendication 2 ou 3, caractérisé en ce que ledit au moins un moyen d'enjambement (36') inclus dans le troisième ensemble de moyens d'enjambement est réglable selon des angles compris entre 70° et 110° par rapport à la direction de forage.
  5. Module de forage selon l'une quelconque des revendications précédentes, caractérisé en ce que des moyens d'enjambement (31, 31') permettant une action dans une direction latérale essentiellement opposée à la direction de forage (0) et inclus dans le deuxième ensemble de moyens d'enjambement sont attachés au corps (4).
  6. Module de forage selon l'une quelconque des revendications 1 à 4, caractérisé en ce que des moyens d'enjambement (31, 31') permettant une action dans une direction latérale essentiellement opposée à la direction de forage (0) et inclus dans le deuxième ensemble de moyens d'enjambement sont attachés à l'unité de forage (5).
  7. Module de forage selon la revendication 5 or 6, caractérisé en ce que lesdits moyens d'enjambement (31') permettant une action dans une direction latérale essentiellement opposée à la direction de forage sont fixés de manière à pivoter par rapport à la direction de forage (0).
  8. Module de forage selon la revendication 7, caractérisé en ce que lesdits moyens d'enjambement (31') permettant une action dans une direction latérale essentiellement opposée à la direction de forage pivotent dans un plan parallèle au plan transversal (T).
  9. Treuil de forage équipé d'un module de forage selon l'une quelconque des revendications 1 à 8, lequel est couplé à au moins une unité d'entraînement (2, 3) pour propulser le treuil de forage.
  10. Procédé de montage d'un module de forage permettant un forage d'extraction en commençant depuis une galerie (12) en dessous du sol, dans lequel le module de forage comporte un corps (4) et une unité de forage (5) qui est fixée de manière pivotante au corps en vue de son réglage dans un plan transversal (T), lequel est parallèle à des directions latérales (S1, S2) du module de forage pour régler l'unité de forage dans une direction de forage choisie (0), le procédé comportant les étapes suivantes :
    - l'activation d'un premier ensemble de moyens d'enjambement (13) vers le bas contre un support au sol du module de forage,
    - l'activation d'un deuxième ensemble de moyens d'enjambement (31, 31', 32) permettant une action de manière sensiblement opposée sur des parties de parois latérales de ladite galerie, caractérisé en ce que
    - un troisième ensemble de moyens d'enjambement (36, 36'), attaché à l'unité de forage (5) et dirigé selon un certain angle par rapport à la direction de forage (0) est appliqué contre des parties de plafond de ladite galerie pour la stabilisation directe de l'unité de forage (5) par rapport à ces parties de plafond.
  11. Procédé selon la revendication 10, caractérisé en ce qu'au moins un moyen d'enjambement (36') inclus dans le troisième ensemble de moyens d'enjambement est monté à un angle entre 70° et 110° par rapport à la direction de forage.
  12. Procédé selon la revendication 10 ou 11, caractérisé en ce que des moyens d'enjambement (31') inclus dans le deuxième ensemble de moyens d'enjambement (31, 32) permettant une action dans une direction latérale essentiellement opposée à la direction de forage sont réglés angulairement dans un plan parallèle au plan transversal (T).
EP15721355.4A 2014-03-12 2015-02-27 Treuil de forage et procédé Not-in-force EP3119989B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL15721355T PL3119989T3 (pl) 2014-03-12 2015-02-27 Wiertnica i sposób

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE1450277A SE538353C2 (sv) 2014-03-12 2014-03-12 Borrigg och förfarande
PCT/SE2015/050232 WO2015137862A1 (fr) 2014-03-12 2015-02-27 Treuil de forage et procédé

Publications (2)

Publication Number Publication Date
EP3119989A1 EP3119989A1 (fr) 2017-01-25
EP3119989B1 true EP3119989B1 (fr) 2018-07-25

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EP15721355.4A Not-in-force EP3119989B1 (fr) 2014-03-12 2015-02-27 Treuil de forage et procédé

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EP (1) EP3119989B1 (fr)
CA (1) CA2962000A1 (fr)
PL (1) PL3119989T3 (fr)
SE (1) SE538353C2 (fr)
WO (1) WO2015137862A1 (fr)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2979320A (en) * 1958-03-12 1961-04-11 Salem Tool Co Tiltable deep mining auger machine
GB1311094A (en) * 1969-03-25 1973-03-21 Dubois M Machine and process for digging undergrojnd galleries
SE526134C2 (sv) * 2003-11-21 2005-07-12 Atlas Copco Rock Drills Ab Borrigg för produktionsborrning i begränsande utrymmen
AT502469B1 (de) * 2005-08-03 2008-03-15 Voest Alpine Bergtechnik Startwagen für eine bohrvorrichtung

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
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Publication number Publication date
SE538353C2 (sv) 2016-05-24
EP3119989A1 (fr) 2017-01-25
PL3119989T3 (pl) 2018-12-31
CA2962000A1 (fr) 2015-09-17
WO2015137862A1 (fr) 2015-09-17
SE1450277A1 (sv) 2015-09-13

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