WO2024020043A1 - Appareil de forage ou de boulonnage, et procédés associés - Google Patents

Appareil de forage ou de boulonnage, et procédés associés Download PDF

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Publication number
WO2024020043A1
WO2024020043A1 PCT/US2023/028045 US2023028045W WO2024020043A1 WO 2024020043 A1 WO2024020043 A1 WO 2024020043A1 US 2023028045 W US2023028045 W US 2023028045W WO 2024020043 A1 WO2024020043 A1 WO 2024020043A1
Authority
WO
WIPO (PCT)
Prior art keywords
drill
axis
mast
holder
borehole
Prior art date
Application number
PCT/US2023/028045
Other languages
English (en)
Inventor
Robert D. Burgess
Original Assignee
J.H. Fletcher & Co.
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by J.H. Fletcher & Co. filed Critical J.H. Fletcher & Co.
Publication of WO2024020043A1 publication Critical patent/WO2024020043A1/fr

Links

Classifications

    • 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
    • E21B7/00—Special methods or apparatus for drilling
    • E21B7/02—Drilling rigs characterised by means for land transport with their own drive, e.g. skid mounting or wheel mounting
    • E21B7/025—Rock drills, i.e. jumbo drills
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B19/00—Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables
    • E21B19/08—Apparatus for feeding the rods or cables; Apparatus for increasing or decreasing the pressure on the drilling tool; Apparatus for counterbalancing the weight of the rods
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B19/00—Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables
    • E21B19/14—Racks, ramps, troughs or bins, for holding the lengths of rod singly or connected; Handling between storage place and borehole
    • E21B19/146—Carousel systems, i.e. rotating rack systems
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B19/00—Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables
    • E21B19/14—Racks, ramps, troughs or bins, for holding the lengths of rod singly or connected; Handling between storage place and borehole
    • E21B19/15—Racking of rods in horizontal position; Handling between horizontal and vertical position
    • E21B19/155—Handling between horizontal and vertical position
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B19/00—Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables
    • E21B19/20—Combined feeding from rack and connecting, e.g. automatically
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D20/00—Setting anchoring-bolts
    • E21D20/003—Machines for drilling anchor holes and setting anchor bolts
    • E21D20/006—Machines for drilling anchor holes and setting anchor bolts having magazines for storing and feeding anchoring-bolts

Definitions

  • This disclosure relates to the mining machine arts and, more particularly, to a drilling and/or bolting apparatus, such as for use in forming a borehole in a surface of a mine passage and installing an anchor or bolt therein.
  • roof bolter During underground mining, it is a requirement of federal law to install support to the roof of a passage at various intervals. This is often done using a mining machine known in the vernacular as a “roof bolter.” Typically, such a roof bolter is capable of both forming (drilling) boreholes and then installing roof anchors or “bolts” in the boreholes once formed.
  • Bolters often include an elongated boom for raising and lowering an attached drilling or bolding apparatus, sometimes called a “bolting module.”
  • This module incorporates a drill head for rotating and advancing a drill element, or drill steel, for forming the borehole.
  • the drill head may also receive the bolt or anchor and install it (via advance, rotation, or both depending on the particular type of anchor used).
  • an apparatus for forming a borehole in a surface of a mine passage or providing support for the surface.
  • the apparatus includes a mast including a rotary drill head adapted to move along a first axis of the mast toward or away from the surface of the mine passage.
  • the apparatus further includes a holder adapted for holding a plurality of drill elements, the holder extending along a second axis transverse to the first axis of the drill head.
  • a carriage is adapted to move from a retracted position for gripping one drill element from the holder to an advanced position, and in the advanced position rotate to align the one drill element with the first axis of the drill head for forming the borehole or insertion into the borehole during the advance of the drill head toward the surface of the mine passage.
  • the carriage in the retracted position is such that a first longitudinal axis of the carriage is generally parallel to a second longitudinal axis of the holder.
  • the holder may comprise a carousel adapted to rotate about the second axis.
  • the carriage may include a pair of grippers adapted to retrieve the one drill element from the holder, and then hold the one drilling element during rotation of the carriage and advance of the drill head toward the surface of the mine passage.
  • the pair of grippers may be further adapted to associate the one drill element with a drill guide associated with an upper end of the mast for guiding the one drill element during advance of the drill head.
  • the drill head may be adapted to move toward and away from the first axis to accommodate positioning of the one drilling element in alignment therewith.
  • the apparatus may further include a boom comprising a rotary actuator for rotating the drill mast.
  • an apparatus for forming a borehole in a surface of a mine passage or providing support for the surface.
  • the apparatus includes a drill mast including a rotary drill head adapted to move along an axis toward and away from the surface.
  • a holder is provided for holding one or more drill elements.
  • a manipulator is adapted to rotate from a non-vertical orientation for retrieving one drill element from the holder to a vertical orientation for associating the one drill element with the drill head for advance toward the surface.
  • the holder is oriented so as to have a non-vertical longitudinal axis.
  • the non-vertical orientation of the manipulator is such that a longitudinal axis thereof is generally parallel to the non-vertical longitudinal axis of the holder.
  • the holder may comprise a carousel adapted to rotate about the non-vertical longitudinal axis.
  • the manipulator includes a pair of grippers.
  • the grippers may be adapted to retrieve the one drill element from the holder. The grippers may then hold the one drilling element during rotation of the manipulator and advance of the drill head toward the surface of the mine passage.
  • the pair of grippers may be further adapted to associate the one drill element with a drill guide associated with an upper end of the mast for guiding the one drill element during advance of the drill head.
  • the drill head may also be adapted to move toward and away from the axis of the drill mast to accommodate positioning of the one drilling element in alignment therewith.
  • the manipulator may be pivotably attached to the drill mast.
  • the apparatus may further include a boom comprising a rotary actuator for rotating the drill mast.
  • an apparatus for forming a borehole in a surface of a mine passage or providing support for the surface comprises a drill mast including a rotary drill head adapted to move along an axis toward and away from the surface.
  • the apparatus further comprises a carousel carrying at least two drill steels and at least one anchor.
  • the at least two drill steels comprise a starter steel and a finisher steel.
  • the apparatus may further include a drill mast including a drill head.
  • a manipulator may be provided for retrieving one of the at least two drill steels and at least one anchor from the carousel and positioning the retrieved one drill steel or anchor in alignment with a borehole axis.
  • the carousel may have a longitudinal axis generally transverse to the borehole axis.
  • Still a further aspect of the disclosure pertains to a method for forming a borehole in a surface of a mine passage or providing support for the surface using a drill head for moving along an axis of a drill mast toward or away from the surface.
  • the method includes: (a) selecting at least one drill element from a plurality of drill elements oriented transverse to an axis of the drill mast;
  • the method further includes the step of gripping and advancing the at least one drill element in the transverse orientation from a retracted position away from the axis of the drill mast to an advanced position for performing the rotating step.
  • the at least one drill element may comprise a starter steel, and the method further includes repeating steps (a)- (c) for a finisher steel. The method may include repeating steps (a)-(c) for a roof bolt.
  • Figure l is a perspective view of a bolter according to one aspect of the disclosure.
  • Figures 2, 3 and 4 are partially cutaway top progressive views of a manipulator in combination with the bolter of Figure 1;
  • Figure 5 is a partially cutaway perspective view of the bolter with the manipulator in a forward position
  • Figure 6 is a partially cutaway elevational view of the bolter of Figure 5;
  • Figures 7 and 8 are partially cutaway perspective views showing the progression of the movement of the manipulator from a non-vertical to a vertical position
  • Figures 9 and 10 are partially cutaway perspective views of the manipulator in the vertical position.
  • this disclosure relates primarily to a drilling or bolting apparatus for use in a drilling or bolting machine, or “bolter” 10.
  • This bolter 10 may be used in connection with the installation of support in a surface of a mine passage. Specifically, the bolter 10 may serve to form a borehole in the surface, and then subsequently install an anchor (typically an elongated piece of rebar or like material called a “roof bolt”) in the borehole (but the borehole could pre-exist and/or be formed by a separate machine).
  • an anchor typically an elongated piece of rebar or like material called a “roof bolt”
  • the bolter 10 may be adapted to be mounted to a support structure, such as for example a boom M associated with a vehicle (not shown) capable of moving or tramming about a mine passage.
  • the boom M may include a rotary actuator A for rotating the bolter 10 relative to the boom. This rotation may be used to achieve drilling in the roof or ceiling of the mine passage, as well as the sidewalls or ribs, depending on the situation.
  • the bolter 10 includes a mechanism for advancing and retracting a drill head 12 toward and away from the surface of the mine passage.
  • This mechanism may comprise a mast 14 supporting the drill head 12 for movement toward and away from the surface, such as by sliding.
  • the bolter 10 may also include a holder for holding one or more drill elements E.
  • This holder may be in the form of a carousel 16 for supporting the one or more drill elements.
  • the drill elements E may comprise for example, drill steels, roof anchors (bolts), or any combination of the two.
  • the carousel 16 is mounted so as to have a longitudinal axis at an angle of less than 45 degrees relative to a horizontal axis, such as around 20-30 degrees, so as to maintain the drill elements E in a non-vertical position.
  • the one or more drill elements E may have a length approximating the height of the mine passage, which would not be possible if the carousel 16 was in a purely vertical orientation.
  • the longitudinal axis of the carousel 16 and hence the associated one or more drilling elements E is generally transverse to a borehole axis X, which is the axis along which the drill head 12 advances to form the borehole or install the anchor therein.
  • the carousel 16 may be adapted to rotate about its longitudinal axis, but otherwise is fixed in orientation, such as relative to a horizontal or otherwise non-vertical axis.
  • a manipulator 18 Adjacent to one side of the carousel 16 is a manipulator 18 adapted to remove a drill element E from the carousel and advance it to a position for forming or entering a borehole in the surface of the mine passage.
  • the manipulator 18 may include a plurality of grippers 20 adapted to grip the drill element E (e.g., a drill steel or bolt) for removal from the carousel 16.
  • the grippers 20 may be adapted to advance, clamp onto the drill element E (such as via opposed jaws, at least one of which is movable), and then withdraw to remove it from the carousel 16, as progressively shown in Figure 2 (grippers 20 retracted), Figure 3 (grippers 20’ advanced to grip drill element E carried by carousel), and Figure 4 (grippers 20” withdrawn to remove drill element E from carousel 16).
  • the manipulator is also adapted to advance from a home or retracted position for retrieving the drill element to a forward, advanced or deployed position (note manipulator 18’ in Figure 5, and arrow W, Figure 1) closer to the mast 14.
  • This may be achieved by providing the manipulator in the form of a carriage for moving longitudinally along a support frame 18a, such as by sliding, and an associated actuator, such as a linear actuator 18b.
  • This movement from a position adjacent to the carousel 16 for retrieving a drill element E to a forward position places a distal end of the drill element E held thereby adjacent to the distal end of the mast 14.
  • the manipulator 18 or carriage may be bodily rotated, such as by pivoting about a point of attachment to the mast 14.
  • This pivoting may reorient the carriage from a non-vertical axis generally parallel to a non-vertical axis of the carousel 16 to achieve a substantially vertical orientation (note progression from Figure 7 showing rotation R to Figure 8 showing vertical orientation V).
  • the associated drill element E retrieved from the carousel 16 is also vertically oriented and a distal end of it is adjacent to a drill guide 22 associated with the mast 14.
  • Rotation of the carriage serving as manipulator 18 may be achieved by an actuator 24, such as a linear actuator, for causing the carriage to rotate about a pivot point 26 connecting the distal end of the manipulator 18 to the mast 14.
  • an actuator 24 such as a linear actuator
  • rotary actuator could be used to achieve the reorientation.
  • the carriage when positioned vertically (arrow V) places the drill element E in alignment with the borehole axis X, with which the drill head 12 is also aligned (but may be temporarily withdrawn from alignment with this axis during the reorientation of the manipulator 18 to a vertical positon, as indicated by arrow C in Figure 6).
  • the proximal or lower end of the drill element E in the illustrated orientation may then be associated with the drill head 12 (which may include a chuck or like adapter), which may be advanced and/or rotated toward an upper end of the mast 14 and into engagement with the surface of the mine passage to form a borehole in the case of a drill steel, or position an anchor or bolt into an already formed borehole.
  • the carriage Before this association is made with the drill head 12, it is also possible for the carriage to advance to partially insert the drill element E into a borehole, if present.
  • the grippers 20 may remain engaged with the drill element E during the advance, in a manner that provides guidance, but does not interfere with the rotation or advance.
  • the drill guide 22 may include opposed jaws that engage the drill element E to provide guidance without interference, including possibly during the abovedescribed positioning of the drill element in alignment with the borehole axis X by the carriage and/or partial advance into a borehole if previously formed. These jaws may selectively open and close to allow for passage of structures such as a plate connected to a bolt or anchor.
  • the manipulator 18 may be returned to the home (non-vertical) position with its longitudinal axis in alignment with a non-vertical longitudinal axis of the carousel 16.
  • the carousel 16 may then be rotated (note arrow Y in Figure 1) to present a new drill element E for retrieval and the process repeated, as necessary or desired.
  • the bolter 10 may also be used in connection with multiple drill elements for forming a borehole.
  • a shorter, so-called “starter” drill steel (S in Figure 10) may be retrieved by the manipulator 18 and used to form the borehole, and then returned to the carousel 16.
  • a longer “finisher” steel (F in Figure 10) may then be retrieved and used in a similar manner.
  • a bolt or anchor (B in Figure 10) may then be installed. Both steels and the bolt(s) may all be carried by the carousel 16, which again may rotate for presentation to the grippers 20 for withdrawal.
  • An apparatus for forming a borehole in a surface of a mine passage or providing support for the surface comprising: a mast including a rotary drill head adapted to move along a first axis of the mast toward or away from the surface of the mine passage; a holder adapted for holding a plurality of drill elements, the holder extending along a second axis transverse to the first axis of the drill head; and a carriage adapted to move from a retracted position for gripping one drill element from the holder to an advanced position, and in the advanced position rotate to align the one drill element with the first axis of the drill head for forming the borehole or insertion into the borehole during the advance of the drill head toward the surface of the mine passage.
  • An apparatus for forming a borehole in a surface of a mine passage or providing support for the surface comprising: a drill mast including a rotary drill head adapted to move along an axis toward and away from the surface; a holder for holding one or more drill elements; and a manipulator being adapted to rotate from a non-vertical orientation for retrieving one drill element from the holder to a vertical orientation for associating the one drill element with the drill head for advance toward the surface.
  • the manipulator includes a pair of grippers adapted to retrieve the one drill element from the holder, and then hold the one drilling element during rotation of the manipulator and advance of the drill head toward the surface of the mine passage.
  • An apparatus for forming a borehole in a surface of a mine passage or providing support for the surface comprising: a drill mast including a rotary drill head adapted to move along an axis toward and away from the surface; and a carousel carrying at least two drill steels and at least one anchor.
  • the apparatus of item 17 or item 18, further including: a drill mast including a drill head; and a manipulator for retrieving one of the at least two drill steels and at least one anchor from the carousel and positioning the retrieved one drill steel or anchor in alignment with a borehole axis.
  • a method for forming a borehole in a surface of a mine passage or providing support for the surface using a drill head for moving along an axis of a drill mast toward or away from the surface comprising:
  • the method of item 21 further including the step of gripping and advancing the at least one drill element in the transverse orientation from a retracted position away from the axis of the drill mast to an advanced position for performing the rotating step.
  • a compartment refers to one compartment or more than one compartment.
  • “About,” “substantially,” or “approximately,” as used herein referring to a measurable value, such as a parameter, an amount, a temporal duration, and the like, is meant to encompass variations of +/- 20% or less, including +/-10% or less, +/-5% or less, +/-1% or less, and +/- 0.1% or less of and from the specified value, in so far such variations are appropriate to perform in the disclosed invention.
  • the value to which such modifiers refer is itself also specifically disclosed.

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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)
  • Geochemistry & Mineralogy (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • Structural Engineering (AREA)
  • Earth Drilling (AREA)

Abstract

Un appareil est fourni, pour former un trou de forage dans une surface d'un passage de mine, ou pour fournir un support pour la surface. Un mât comprend une tête de forage rotative conçue pour se déplacer le long d'un axe du mât en se rapprochant ou en s'éloignant de la surface du passage de mine. Un support est conçu pour soutenir une pluralité d'éléments de forage, tels qu'un acier de départ, un acier de finition, et un ancrage ou un boulon de toit. Le support s'étend le long d'un axe transversal à l'axe de la tête de forage, et peut prendre la forme d'un carrousel rotatif. Un manipulateur, tel qu'un chariot, est conçu pour se déplacer d'une position rétractée pour saisir un élément de forage du support à une position avancée. Dans la position avancée, le manipulateur ou le chariot est en outre conçu pour tourner afin d'aligner l'élément de forage avec l'axe de la tête de forage, pour former le trou de forage ou l'insertion dans le trou de forage pendant l'avancement de la tête de forage vers la surface du passage de mine. Des procédés associés sont également divulgués.
PCT/US2023/028045 2022-07-19 2023-07-18 Appareil de forage ou de boulonnage, et procédés associés WO2024020043A1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US202263390386P 2022-07-19 2022-07-19
US63/390,386 2022-07-19
US202263398912P 2022-08-18 2022-08-18
US63/398,912 2022-08-18

Publications (1)

Publication Number Publication Date
WO2024020043A1 true WO2024020043A1 (fr) 2024-01-25

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PCT/US2023/028045 WO2024020043A1 (fr) 2022-07-19 2023-07-18 Appareil de forage ou de boulonnage, et procédés associés

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10513925B2 (en) * 2015-01-21 2019-12-24 Sandvik Intellectual Property Ab Expendable supply system for underground drilling
WO2020168377A1 (fr) * 2019-02-19 2020-08-27 Titeline Services Pty Ltd Système et procédé permettant de manipuler des tiges de forage
US20220186561A1 (en) * 2019-03-29 2022-06-16 Bly Ip Inc. Underground drill rig and systems and methods of using same

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10513925B2 (en) * 2015-01-21 2019-12-24 Sandvik Intellectual Property Ab Expendable supply system for underground drilling
WO2020168377A1 (fr) * 2019-02-19 2020-08-27 Titeline Services Pty Ltd Système et procédé permettant de manipuler des tiges de forage
US20220186561A1 (en) * 2019-03-29 2022-06-16 Bly Ip Inc. Underground drill rig and systems and methods of using same

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