WO2000060210A1 - Ensemble de montage - Google Patents

Ensemble de montage Download PDF

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Publication number
WO2000060210A1
WO2000060210A1 PCT/IB2000/000416 IB0000416W WO0060210A1 WO 2000060210 A1 WO2000060210 A1 WO 2000060210A1 IB 0000416 W IB0000416 W IB 0000416W WO 0060210 A1 WO0060210 A1 WO 0060210A1
Authority
WO
WIPO (PCT)
Prior art keywords
assembly
mounting
boom
drilling
support
Prior art date
Application number
PCT/IB2000/000416
Other languages
English (en)
Inventor
Byron Percy Christos
Original Assignee
Byron Percy Christos
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 Byron Percy Christos filed Critical Byron Percy Christos
Priority to AU35716/00A priority Critical patent/AU3571600A/en
Publication of WO2000060210A1 publication Critical patent/WO2000060210A1/fr

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Classifications

    • 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
    • E21B7/02—Drilling rigs characterized by means for land transport with their own drive, e.g. skid mounting or wheel mounting
    • E21B7/025—Rock drills, i.e. jumbo drills

Definitions

  • THIS INVENTION relates to underground mine drilling operations.
  • the Applicant is aware of purpose-built drilling rigs which are used for mechanical drilling of blasting holes during tunnelling. These drilling rigs, owing to the depth of drilling required for blasting holes, include large drilling booms and normally require a large clearance within a tunnel if they are to be manoeuvred between a vertical and horizontal position. Therefore, owing to their limited manoeuvrability, they cannot also be used effectively to drill support holes for anchoring purposes in the roof and side walls of a tunnel, unless the drilling depth capabilities of the rig is compromised so that the booms can be manoeuvred, as required. As a result, in mechanical tunnelling operations a suite of purpose-built drilling equipment, including specially designed separate drilling rigs for blasting holes and for support holes, is required. By having additional equipment in the overall suite of equipment required the cost of the overall drilling operation and the amount of logistical support and storage space required is increased.
  • a mounting assembly for mounting at least one drilling boom onto a shovel of an underground shovel loader.
  • the mounting assembly may include a base assembly which is fixedly connectable to the shovel; and a drilling boom support assembly which is connected to the base assembly and onto which the at least one drilling boom is mountable, said support assembly being displaceable relative to the base assembly to permit adjustment of the orientation of the at least one boom relative to the base assembly.
  • the support assembly may be rotatably connected to the base assembly to permit rotatable adjustment of the at least one boom relative to the base assembly.
  • the at least one boom may be displaced, by rotation of the support assembly, between a vertical and horizontal position.
  • this may be carried out by lowering the shovel if additional clearance is required.
  • the support assembly may further include a sliding mechanism to permit sliding displacement of the at least one boom relative to the base assembly.
  • the support assembly when in a vertical position, the support assembly may be displaced laterally, to allow the boom to travel the width of a tunnel roof.
  • the support assembly if the support assembly is rotated so that the boom is in a horizontal position, the support assembly may be displaced slidably in a vertical direction to travel the height of the side walls.
  • the rotatable adjustment and the sliding mechanism, together with the articulation of the shovel provide for infinite positioning of the at least one drilling boom within predetermined limits.
  • the support assembly may include a turntable which is rotatably connected to the base assembly, and a drilling boom support component which is connected to the turntable.
  • the sliding mechanism may be provided by complementary engagement formations provided on the turntable and the support component, respectively.
  • the support assembly may include a boom mounting arrangement for mounting at least two laterally spaced drilling booms and adjustment means for adjusting the lateral spacing of said booms on the support assembly.
  • a required hole spacing may be selected to suit a particular drilling requirement.
  • the boom mounting arrangement may be provided with boom alignment means for aligning the booms in a parallel or non-parallel position.
  • the booms may be aligned so that they converge or diverge along their length to suit a particular hole configuration.
  • the boom mounting arrangement may include at least two laterally spaced boom support elements each having a mounting for mounting a boom on the boom assembly.
  • the adjustment means may be provided by an engagement formation provided on at least one of the support elements which engages slidably with a complementary engagement formation provided on the support assembly.
  • At least one of the booms may be pivotally displaceable about its mounting thereby to provide the boom alignment means.
  • the invention also extends to a shovel loader which includes a mounting assembly in accordance with the invention.
  • Figure 1 represents a side view of a shovel loader onto which a mounting assembly in accordance with the invention is mounted in an inoperative position
  • Figure 2 represents a side view of the shovel loader shown in Figure 1 positioned for roof drilling in a tunnel;
  • Figure 3 represents a plan view of the shovel loader in the position shown in Figure 2;
  • Figure 4 represents a three-dimensional view of the shovel loader in the position shown in Figure 2;
  • Figure 5 represents an end view of the shovel loader in the position shown in Figure 2;
  • Figure 6 represents a side view of the shovel loader shown in Figure 1 positioned for side wall drilling
  • Figure 7 represents a plan view of the shovel loader in the position shown in Figure 6;
  • Figure 8 represents a three-dimensional view of the shovel loader shown in Figure 6;
  • Figure 9 represents an end view of the shovel loader shown in Figure 6 positioned for side wall drilling in an opposite direction to that shown in Figure 6;
  • Figure 1 0 represents an end view of the shovel loader shown in Figure 1 positioned for inclined tunnel drilling;
  • Figure 1 1 represents a three-dimensional view of the shovel loader shown in Figure 1 in a different orientation.
  • reference numeral 10 generally represents a shovel loader known in the mining industry as a load haul dump (LHD) .
  • the shovel loader 1 0 is a rubber tyre mounted loader and includes a body, generally represented by reference numeral 1 1 , and a plurality of support arms 1 2 which extend from the body 1 1 and which support a shovel 1 4.
  • the loader 10 is used for clearing broken rock from a working area and, typically, forms part of a suite of equipment used in underground tunnelling operations.
  • the support arms 1 2 are hydraulically driven for raising and lowering the shovel 14, in a direction indicated generally by reference numeral 1 6 in Figure 1 of the drawings.
  • the shovel 1 4 is also pivotally connected to the arms 1 2 in a position generally indicated by reference numeral 1 5 to permit the shovel 1 4 to be tilted towards or away from the body 1 1 for loading and unloading material, as is generally represented by the arrow labelled with reference numeral 1 8, in Figure 1 of the drawings.
  • a mounting assembly, generally represented by reference numeral 20 is mounted on the shovel 1 4 for mounting a pair of drilling booms 22, 24 (not described in detail) onto the shovel loader 1 0, as is described in more detail below.
  • the mounting assembly 20 includes a base assembly, generally represented by reference numeral 26, and a drilling boom support assembly, generally represented by reference numeral 28, which is connected to the base assembly 26 and on which the drilling booms 22, 24 are mounted.
  • the support assembly 28 is displaceable relative to the base assembly 26 to permit adjustment of the orientation of the booms 22, 24 relative to the base assembly 26, as is described in more detail below.
  • the base assembly 26 includes a generally circular cylindrical base member 30 which is positioned symmetrically about a longitudinal axis 1 7 (shown in Figure 3 of the drawings) of the loader 1 0 and extends laterally across a part of a mouth of the shovel 14.
  • the base member 30 is fixedly connected to the shovel 14 in this position by means of purpose-built mounting formations, for example, brackets which may be removed when the drilling booms are not in operation.
  • the support assembly 28 includes a turntable 31 , which is co-axial with the base member 30 and which is rotatably mounted to the base member 30 by means of an axially extending shaft 36.
  • the shaft 36 is driven by a hydraulic system (not shown) of the shovel loader 1 0 to permit rotatable adjustment of the booms 22, 24, relative to the base assembly 26, about an axis of rotation, generally indicated by reference numeral 40 in Figures 1 , 4 and 8 of the drawings.
  • the position of the booms 22, 24 is adjustable in opposite directions, about the axis of rotation 40, as is represented schematically by reference numerals 38 and 39 in Figures 8 and 9 of the drawings.
  • the support assembly 28 further includes a drilling boom support component 32 which is provided with a supporting leg 29 for supporting the assembly 28 in its vertical position, as is shown in Figure 2 of the drawings.
  • a drilling boom support component 32 which is provided with a supporting leg 29 for supporting the assembly 28 in its vertical position, as is shown in Figure 2 of the drawings.
  • an outer side of the turntable 31 is provided with a pair of laterally extending engagement formations 42 (not shown in detail) which engage with complementary engagement formations 44 (not shown in detail) provided on an adjacent side of the support component 32.
  • This arrangement provides a sliding mechanism to permit sliding displacement of the booms 22, 24, relative to the base assembly 26, along a horizontal axis as is shown schematically by the arrows labelled with reference numeral 46, in Figure 3 of the drawings.
  • the sliding mechanism permits displacement of the booms 22, 24 along a non-horizontal axis, for example, along a vertical axis when the booms 22, 24 are rotated into the position shown in Figures 6 to 9 of the drawings.
  • the boom support assembly 28 further includes a boom mounting arrangement in the form of a pair of laterally spaced elongate support elements 50, 51 which extend along an opposite side of the support component 32 perpendicularly to the engagement formations 42, 44.
  • the drilling booms 22, 24 are mounted on the support elements 51 , 50 by means of pivotal mountings 53, 54 (not shown in detail) which are positioned towards a lower end of the elements 51 , 50.
  • the pivotal mountings 53, 54 allow one or both booms 22, 24 to be pivotally displaced or tilted from their normal axes 58, 59 into a non-parallel position so that the booms 22, 24 diverge along their length.
  • the booms may be titled to define an angle, shown by reference numeral 56 in Figure 5 of the drawings, of up to 1 5 ° .
  • the support component 32 is further provided with a pair of spaced engagement formations 48 which extend partly across the width of the support component 32.
  • the support element 50 is also provided with engagement formations (not shown) which are complementary to the engagement formations 48.
  • the engagement formations 48 and the complementary engagement formations on the support element 50 provide adjustment means for slidingly adjusting the lateral spacing 52 of the drilling booms 22, 24.
  • adjustment means for the other drilling boom 22 may be provided instead of, or in addition to, the adjustment means for the boom 24.
  • the shovel 14 in order to position the loader 1 0 for vertical drilling, the shovel 14 is tilted in a forward direction so that the drilling booms 22, 24 extend upwardly towards a roof 70 of the tunnel.
  • the lateral spacing of the drilling booms 22, 24 may then be adjusted to suit the required hole spacing by sliding the support element 51 along the engagement formations 48 towards or away from the boom 22.
  • diverging holes as is generally represented by reference numerals 62 and 64, are required in the roof 70 then the booms 22, 24 may be pivotally displaced or tilted about the pivotal mountings 53, 54 from their normal axes 58, 59 into a position generally shown in Figure 5 of the drawings.
  • the support component 32 may be displaced out of its symmetrical position relative to the axis of rotation 40 in the general direction shown by reference numeral 46 (shown in Figure 3 of the drawings) by means of the sliding mechanism provided by the complementary engagement formations 42 and 44.
  • the drill booms 22, 24 may also be moved towards or away from the roof 70 by raising or lowering the support arms 1 2.
  • the drilling booms 22, 24 may be tilted out of a vertical plane for angled drilling by articulation of the shovel 1 4.
  • the sliding mechanism may be driven by the hydraulic system of the loader 10.
  • the booms 22, 24 may span across an angle greater than 1 80° .
  • the booms 22, 24 are rotated about the axis of rotation 40 by rotating the turntable 31 relative to the base member 30 through approximately 90° .
  • the support component 32 may be displaced from the symmetrical position towards one of the side walls 71 before rotation.
  • the centre of the support component 32 may be offset in relation to the longitudinal axis 1 7 of the loader 10 thereby allowing the required rotation.
  • the lateral spacing 52 and alignment of the booms 22, 24 may be adjusted to suit the required hole configuration, for example, as is shown in Figure 9 by the hole positions shown by reference numeral 80.
  • the mountings 53, 54 may be positioned at a generally central position on each of the booms 22, 24 to permit 360° rotation about the axis 40.
  • the Applicant believes that it is an advantage of the invention that by providing a mounting assembly 20 in accordance with the invention relatively efficient use can be made of part of the existing suite of equipment that is required during tunnelling operations which is normally redundant between drilling cycles.
  • the Applicant believes that it is a further advantage of the invention that the sliding mechanism provided by the complementary engagement formations 42, 44 and the rotation of turntable 31 complement the articulation of the shovel 14 to provide a drilling rig with enhanced manoeuvrability to allow for manipulation of the drilling booms 22, 24 within a confined space.
  • the mounting assembly 20 also provides for infinite positioning of the drilling booms 22, 24 thereby enabling a wide range of drilling configurations to be carried out. It is an even further advantage of the invention that the mounting assembly 20 may be removed from the loader 10 for storage when not in operation once a drilling cycle is completed to allow the shovel loader 1 0 to be used to remove broken rock.

Abstract

L'invention concerne un ensemble de montage (20) monté amovible sur une pelle (14) d'une chargeuse à culbutage vers l'arrière (10). Une paire de bras de forage (22, 24) est montée sur l'ensemble de montage (20). L'ensemble de montage (20) comporte un ensemble de base (26) et un ensemble de support (28) de bras de forage monté sur l'ensemble de base (26) et sur lequel les bras de forage (22, 24) sont montés. L'ensemble de support (28) est configuré, de sorte que les bras de forage (22, 24) soient déplaçables en rotation autour d'un axe de rotation (40) et latéralement par rapport à l'ensemble de base (26). Ce dispositif constitue un engin de forage à manoeuvrabilité accrue. Par ailleurs, l'utilisation d'une chargeuse à culbutage vers l'arrière (10) peut être optimisée.
PCT/IB2000/000416 1999-04-07 2000-04-06 Ensemble de montage WO2000060210A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU35716/00A AU3571600A (en) 1999-04-07 2000-04-06 Mounting assembly

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ZA99/2555 1999-04-07
ZA992555 1999-04-07

Publications (1)

Publication Number Publication Date
WO2000060210A1 true WO2000060210A1 (fr) 2000-10-12

Family

ID=25587659

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/IB2000/000416 WO2000060210A1 (fr) 1999-04-07 2000-04-06 Ensemble de montage

Country Status (2)

Country Link
AU (1) AU3571600A (fr)
WO (1) WO2000060210A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2002099244A1 (fr) * 2001-06-05 2002-12-12 John Nitschke Drilling Pty Ltd Machine permettant de creuser une saignee
CN108166926A (zh) * 2018-02-11 2018-06-15 上海力阳道路加固科技股份有限公司 双臂钻进切换系统、双臂钻机以及双臂钻进方法

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2059065A1 (de) * 1969-12-01 1971-06-03 Eimco Great Britain Ltd Bohr-Zusatzvorrichtung fuer Baggerfahrzeuge
SU579433A1 (ru) * 1975-12-03 1977-11-05 Ivanov Viktor P Буропогрузочна машина
SU1694883A1 (ru) * 1989-11-20 1991-11-30 Всесоюзный научно-исследовательский институт организации и механизации шахтного строительства Буропогрузочна машина

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2059065A1 (de) * 1969-12-01 1971-06-03 Eimco Great Britain Ltd Bohr-Zusatzvorrichtung fuer Baggerfahrzeuge
SU579433A1 (ru) * 1975-12-03 1977-11-05 Ivanov Viktor P Буропогрузочна машина
SU1694883A1 (ru) * 1989-11-20 1991-11-30 Всесоюзный научно-исследовательский институт организации и механизации шахтного строительства Буропогрузочна машина

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
DATABASE WPI Section PQ Week 199238, Derwent World Patents Index; Class Q49, AN 1992-314027, XP002901156 *
SOVIET INVENTIONS ILLUSTRATED Section PQ Week A39, Derwent World Patents Index; Class Q49, Page 13, AN 5988A39, XP002901157 *

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2002099244A1 (fr) * 2001-06-05 2002-12-12 John Nitschke Drilling Pty Ltd Machine permettant de creuser une saignee
CN108166926A (zh) * 2018-02-11 2018-06-15 上海力阳道路加固科技股份有限公司 双臂钻进切换系统、双臂钻机以及双臂钻进方法
CN108166926B (zh) * 2018-02-11 2023-09-26 上海力阳道路加固科技股份有限公司 双臂钻进切换系统、双臂钻机以及双臂钻进方法

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