WO2013170312A1 - Système d'injection et d'entraînement pour soutènement par boulons d'ancrage - Google Patents

Système d'injection et d'entraînement pour soutènement par boulons d'ancrage Download PDF

Info

Publication number
WO2013170312A1
WO2013170312A1 PCT/AU2013/000517 AU2013000517W WO2013170312A1 WO 2013170312 A1 WO2013170312 A1 WO 2013170312A1 AU 2013000517 W AU2013000517 W AU 2013000517W WO 2013170312 A1 WO2013170312 A1 WO 2013170312A1
Authority
WO
WIPO (PCT)
Prior art keywords
fluid
drive
axial bore
fluid passageway
divider
Prior art date
Application number
PCT/AU2013/000517
Other languages
English (en)
Inventor
Peter Andrew Gray
Original Assignee
Peter Andrew Gray
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
Priority claimed from AU2012902041A external-priority patent/AU2012902041A0/en
Application filed by Peter Andrew Gray filed Critical Peter Andrew Gray
Publication of WO2013170312A1 publication Critical patent/WO2013170312A1/fr

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D20/00—Setting anchoring-bolts
    • E21D20/02—Setting anchoring-bolts with provisions for grouting
    • E21D20/028—Devices or accesories for injecting a grouting liquid in a bore-hole
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D21/00—Anchoring-bolts for roof, floor in galleries or longwall working, or shaft-lining protection
    • E21D21/0093—Accessories

Definitions

  • the present disclosure relates to relates to an injection and drive arrangement and method for drilling and rock bolting.
  • the disclosure has particular application to drilling using drill rods and self-drilling rock bolts for mining and civil applications, but is not restricted thereto.
  • Some self-drilling rock bolts use chemical resin to anchor the bolts.
  • the OneStepTM self-drilling rock bolt by Hilti Corporation uses a resin cartridge which is contained within the hollow bolt, and which is forced out of the bolt after drilling by high pressure water.
  • the use of resin cartridges with self drilling rock bolts means that the volume of resin available to fill the borehole is strictly limited, and if the rock has any cracks or cavities in the borehole, then the self drilling rock bolt will not be fully encapsulated. In mines with highly stressed rock, much of the resin available will be used to fill cracks at the end of the borehole, leaving the trailing half of the bolt with little or no resin encapsulation.
  • WO 2010/031132 discloses an inj ector arrangement for rock bolting which maintains separate flow passages for the resin components until the resin enters the rock bolt. While this injector arrangement solves many problems, a need exists for a combined drive and injector arrangement.
  • the disclosure aims to provide a new fluid injection and drive arrangement and method for a self-drilling rock bolt.
  • a further aspect of the disclosure aims to provide a drilling arrangement and method for percussive drilling of a borehole, optionally by means of a self-drilling rock bolt.
  • the invention provides a drive arrangement for a self- drilling rock bolt comprising:
  • a non-rotary body having a first fluid inlet and a second fluid inlet
  • a rotary drive shank supported by the body to allow rotation, the rotary drive shank having a first end, a second end and a rotational axis, the first end being adapted in use to be driven by a rotary drive and the second end being adapted in use to drive rotation of the self-drilling rock bolt;
  • the rotary drive shank further having an axial bore which is open at the second end of the rotary drive shank, a first fluid passageway connecting the first fluid inlet of the drive member body to the axial bore, and a second fluid passageway connecting the second fluid inlet of the drive member body to the axial bore;
  • a fluid divider insertable in the axial bore of the rotary drive shank being structured to divide the axial bore into first and second chambers, the first chamber leading from the first fluid passageway of the rotary drive shank to the second end of the rotary drive shank, and the second chamber leading from the second fluid passageway of the rotary drive shank to the second end of the rotary drive shank; the arrangement being structured to provide separate injection pathways from the respective first and second fluid inlets to a fluid inlet of the self-drilling rock bolt.
  • the first fluid inlet may comprise an inlet port for a first resin component of a two-part resin and optionally for a first flushing fluid connection
  • the second fluid inlet may comprise an inlet port for a second resin component of the two-part resin and optionally a second flushing fluid connection.
  • the drive arrangement may further comprise a third fluid inlet and a third fluid passageway connecting the third fluid inlet to the axial bore.
  • the third fluid passageway communicates with the second chamber at a location spaced lengthways along the axial bore between the second fluid passageway and the second end of the axial bore, and the arrangement may include a one-way valve to inhibit flow of the third flow to the second fluid passageway.
  • a further form of the invention provides a fluid divider for insertion in a rotary drive shank of a drive arrangement for a self-drilling rock bolt, the rotary drive shank having a first end to engage a rotary drive, second end for rotating the rock bolt and an axial bore adapted to receive the fluid divider, and the drive arrangement having a first fluid passageway and a second fluid passageway for inlet of respective first and second fluids into the axial bore, the fluid divider comprising a tubular fluid divider adapted to divide the axial bore into a first inner chamber and a second outer chamber, an annular seal adapted to seal against the axial bore between the first fluid passageway and the second fluid passageway, and an aperture in the tubular fluid divider to provide communication of fluid from the first fluid passageway into the first chamber, the tubular fluid divider providing separate injection pathways from the first fluid passageway and the second fluid passageway to the second end of the rotary drive shank.
  • One further form of the invention provides a drive arrangement for rotary percussive drilling, comprising:
  • a drive socket adapted to receive a drilling member, the drive socket having a drive socket base;
  • the drive socket being attached to a rotary drive shank and the drive shank being adapted to receive rotary percussive energy from a rotary percussive drive and to impart that energy to the drive socket,
  • the insert member may include a fluid passage for receiving one or more fluids injected via the drive shank and for directing the one or more fluids into a fluid passage of me drilling member;
  • the passage of the insert member may be adapted to direct a flushing fluid to me drilling member during drilling;
  • the passage of the insert member may also be adapted to direct an encapsulation resin into the drilling member following drilling.
  • the invention further relates to methods of drilling and of installing rock bolts, and apparatus for drilling and for rock bolt installation, as described.
  • Figure 1 is a perspective view of a first embodiment of a drive and injection arrangement, adapted for rotary drilling of a self-drilling rock bolt;
  • Figure 2 is a cross-sectional elevation of the arrangement of Fig. 1 ;
  • Figure 3 is a perspective view of a fluid divider tube of the arrangement of Fig. 1;
  • Figure 4 is a perspective view of a second embodiment of a drive and injection arrangement, adapted for rotary percussive drilling;
  • Figure 5 is a sectional plan view of the arrangement of Fig. 4;
  • Figure 6 is a schematic perspective of the drive shank of the arrangement of Figs. 4 to 5;
  • Figure 7 is a perspective view of a third example embodiment of a drive and injection arrangement, adapted for rotary drilling of a self-drilling rock bolt;
  • Figure 8 is a cross-sectional elevation of the arrangement of Fig. 7;
  • Figure 9 is a perspective view of a fluid divider tube of the arrangement of Fig. 7.
  • a first example embodiment of the drill drive and injection arrangement is adapted for driving rotation of a rotary drill rod or self-drilling rock bolt, typically for drilling of 'soft' rock up to a compressive strength of about lOOMPa - based on unconfined compressive strength of rock as tested out for example by ASTM D7012-10; D2938; D2166-06; BS 1377-7 1990 - such as often encountered in coal mining.
  • Illustrated components of the first embodiment are given ' 100- series' reference numerals. Where possible, similar components of the second, rotary percussive, embodiment of Figs. 4 to 6 are referenced with equivalent '200-series' reference numerals, and similar components of the third embodiment of Figs. 7 to 9 are referenced with equivalent '300-series' reference numerals.
  • the illustrated drill drive and injection assembly 100 is adapted for fixing to the drilling machinery (not shown) with which the assembly is used, for example attached to the drill frame, so that the assembly 100 moves up and down with the drilling machinery in use.
  • the support arm 102 is fixed to the drilling machine (not shown) and to the housing 104, such that as the drive shank 106 is rotated by the drilling machine, the housing 104 does not rotate.
  • the major components of the assembly comprise a drive assembly body 104, a drive shank 106 rotatably mounted through the drive assembly body 104, and drive body end cap 108 and a drive socket 110, commonly known in the mining industry as a drive dolly, for driving rotation of the rock bolt (not shown in Figs. 1 to 3).
  • the drive assembly body 104 is a generally cylindrical body having central bore 111, and a plurality of fluid inlet ports 112a, 112b forming passages leading from the drive body exterior to its interior.
  • the inlet ports 112a, 112b may be screw-threaded or have other connection formations for connection to injection fluid sources (typically hoses which are not shown).
  • Ports 112a and 112b are longitudinally spaced along the length of the drive body, to communicate with the body interior at different positions along the drive body interior. In the example embodiment of Figs. 1 to 3 there are two pairs of inlet ports, 112a and 112a', and 112b and 112b'.
  • inlet ports 112a/l 12a' communicate with a first annular fluid channel 114a, 114b inside the bore 111 of the drive assembly body 104, and inlet ports 112b/l 12b' communicate with a second annular fluid channel 114b.
  • a drive shank 106 Journalled within the bore 111 of the drive assembly body 104 and the end cap 108 by bearings 1 5 is a drive shank 106 having a drive formation 116 at a first end adapted for co-operating with the drilling machinery (not shown) so as to rotate the drive shank 106 about its central rotational axis 107 and, with it, the drive socket 110 connected to the opposite, second end of the drive shank 106.
  • the drive socket has a socket formation 160 adapted to connect to a drive nut on the rock bolt (the rock bolt and its drive nut not being shown in this embodiment) to rotate the drive shank.
  • Ring seals 118 of Teflon (PTFE), VitonTM (fluoroelastomer) or similar are located within the bore 111 of the drive body 104 to seal against the outer surface of the drive shank at longitudinally spaced apart locations, including seals located between the annular fluid channels 114a and 114b.
  • the drive shank has an axial bore 120 along its longitudinal axis, the bore being closed at its first end furthest from the rock bolt, and open at the second, drive socket end.
  • the drive shank has radial fluid passages 122a, 122b
  • a flow divider tube 124 Inserted into the axial bore 120 of the drive shank from its open end is a flow divider tube 124 (shown also in Fig. 3) with annular spacer seals 126, for example annular skirt valves, on its outer surface, dividing the axial bore 120 into an inner fluid chamber 128 inside the tube, and an annular fluid chamber 130 formed between the divider tube 124 and the inner surface of the cylindrical bore 120.
  • An aperture 132 in the flow divider tube 124 allows fluid communication from the first fluid port 122a via the respective annular fluid channel 114a and aperture 132 to the inner fluid chamber, forming a first passageway to the second end of the drive shank into the drive socket
  • the second fluid inlet port 112b and second annular channel 122b communicate with the annular fluid chamber 130, to form a second passageway also leading to the second end of the drive shank into the drive socket.
  • the fluid passage system and the fluid divider tube thus keep the fluids introduced through the fluid inlet port pair 112a/l 12a' separated from fluids introduced through and inlet port pair 112b/l 12b' until the fluids exit the drive shank, whereupon they may pass through a valving and passageway member in the trailing end of the rock bolt, such as described in WO2010/031132 (incorporated herein by reference) in the drive socket before entering the rock bolt passage.
  • the drive dolly with fluid passage system and fluid divider mates with seals in the valving and passageway member, which has separate passageways and one-way valves to maintain the separation of the fluids - for example two components of a resin - until they enter the rock bolt. In this way, the two parts of the resin will not come into contact, and thus will not cure and harden, within the drive dolly and injection passageways.
  • the illustrated drive and injection arrangement is adapted for drilling and securing of a self-drilling rock bolt by means of a pumpable two-part resin, for example a two-component silicate resin such as CarbothixTM manufactured by Orica/Minova International, or a two-part polyester resin.
  • a pumpable two-part resin for example a two-component silicate resin such as CarbothixTM manufactured by Orica/Minova International, or a two-part polyester resin.
  • the support arm 102 of the assembly is attached to the drill motor of a drilling machine, and fluid tubes connected to the inlet ports.
  • the rotary drive of the drilling machine is connected to the drive formation 116 of the drive shank protruding from the back of the drive assembly.
  • Water for drilling and/or flushing, and a water soluble part A of the two-part resin are connected to respective ones of inlet ports 112a and 112a'.
  • Oil or water, and part B of the two-part resin are connected to respective ones of inlet ports 112b and 112b' .
  • the relative dimensions of the cylindrical bore 120 in the drive shank and the divider tube 124 may be selected to provide relative cross-sectional areas of the first (inner, 128) and second (annular, 130) flow chambers thus formed to suit the proportions of the resin components to be used.
  • a divider tube outside diameter of 9.5mm (internal diameter 8mm) in a shank bore diameter of 16mm will provide approximately the correct cross-sections.
  • the pump pressures of the two parts of the resin may also differ to adjust the ratio of the two components. For example, Part A of the resin may be pumped at 350-500 psi, and Part B at 550-600 psi.
  • the drive body, drive shank and the drive socket may be formed from cast or machined metals
  • the fluid divider tube is preferably formed of injection moulded plastics material of suitable properties and chemical resistance, for example low density polyethylene because of its cheap cost and chemical resistance.
  • the drive socket 110 may be screw threaded onto the shank by suitably robust screw thread, for example a R38 rope threads 161, 162 with locking screw, or other suitable arrangement such as a spline arrangement.
  • suitably robust screw thread for example a R38 rope threads 161, 162 with locking screw, or other suitable arrangement such as a spline arrangement.
  • the fluid divider tube can be removed from the drive shank in the event of damage or clogging, and a new one inserted.
  • the seals 126 between the fluid divider tube 124 and the bore 120 of the drive shank 106 may be integrally moulded as part of the divider tube, as shown, or may be separately formed.
  • the fluid divider tube may have formation such as annular grooves on its outer surface to locate annular seals such as O-rings.
  • the surface of the drive shank may be flash chromed by known processes, at least in the vicinity of the seals 118 between the drive shank and the drive assembly body, to provide a hard and smooth surface which optimises sealing between the drive shank and the drive assembly body and provides improved seal life at the relatively high rotational speeds, for example up to about 500 rpm, used.
  • a self-drilling rock bolt with drive nut is inserted into the drive socket 110, and the drilling machine moved up until the drilling tip of the self- drilling rock bolt engages the mine surface to be drilled.
  • the rotary drive of the drive machine is rotated in a first direction, typically counterclockwise, causing the drive nut on the self-drilling rock bolt to rotate the self-drilling rock bolt to drill into the mine surface.
  • Water is injected through port 112a or 112a', passing through annular fluid channel 114a, aperture 132 and the inner fluid chamber of the fluid divider tube to the drive socket, and into the self-drilling rock bolt which has a passage extending lengthwise to the drilling tip for the water to flush away material as drilling progresses.
  • the components of the two-part resin mix may be introduced in the desired proportions to the self-drilling rock bolt via respective inlet ports 112a or 112a', and 112b or 112b', the components remaining separated while passing through the passageway arrangement as described above to enter the self-drilling rock bolt, only at which point do the two resin components mix.
  • the fluid passage of the self-drilling rock bolt may contain a static mixer, for example of a type known per se in the prior art, to assist mixing of the resin components.
  • the resin passes along the length of the rock bolt and exits the end of the rock bolt into the borehole, encapsulating the rock bolt within the borehole.
  • the respective passageways of the drive assembly may be flushed clean by introducing water into inlet port 112a or 112a', and either water or oil into inlet port 112b or 112b'.
  • FIGs. 4 to 6 illustrate a second example embodiment of the invention adapted for rotary percussive drilling of 'hard rock', for example in mining of rock with a hardness of about 100-300MPa.
  • the components of the drive and injection assembly 200 are generally similar to those of Figs 1 to 3, with similar components indicated by equivalent '200-series' reference numerals.
  • the drive and injection assembly 200 comprises a drive assembly body 204, a drive shank 206 with drive formation 216 at one end and a drive socket/dolly 210 at its other end, in similar general arrangement to the previously described embodiment.
  • the drive assembly body 204 is attached to the drilling machinery (not shown), also as previously described.
  • the main differences from the first embodiment relate to construction of the drive shank 206 and drive socket 210, which are adapted to transmit percussive energy as well as rotary drive of approximately 350-400 rpm to the rock bolt during drilling.
  • the drive formation 216 of drive shank 206 is specifically adapted to co-operate with a rotary percussive drive (not shown), which may be of any suitable type depending on the type of drilling machinery being used.
  • the illustrated form includes an internal rope thread 260 for connection to the rotary percussive drive.
  • the drive socket arrangement 210 includes a drive thrust insert 234 which provides contact with the nut 236 at the end of the self-drilling rock bolt 238 to transmit the percussive energy and separate the nut 234 and the bolt end from the base of the drive socket, to protect the drive socket surface from damage from the end of the rock bolt.
  • the drive shank 206, socket 210 and thrust insert 234 may be made of any suitable material capable of withstanding both the rotary and percussive loads on these components.
  • Hardened steel for example of hardness of 50 or more on the Rockwell C scale, may be suitable for these components.
  • the fluid divider tube may have similar construction and sealing arrangements to that described previously with reference to Figs. 1 to 3.
  • FIGs. 7 to 9 illustrate a third example embodiment of the invention
  • the components of the drive and injection assembly 300 are generally
  • the assembly includes a non-rotary body 304 with rotary shank 306
  • Drive shank 306 is supported for rotation within the bore of the
  • the shank At its first (rear) end the shank has a drive formation 316 adapted
  • the drive shank has an axial bore 320 along its longitudinal axis, the bore being closed at its first (rearmost) end furthest from the rock bolt, and open at the second, drive socket end.
  • three sets of fluid inlet ports 312a, 312b, 312c are longitudinally spaced along the length of the drive body, to communicate with the axial bore 320 at different positions along the drive body interior.
  • each set of inlet ports 312a/312a', 312b/312b' and 312c communicates with a respective annular fluid channel 314a, 314b, 314c inside the bore 320 of the drive assembly body 304, forming inlets for the respective fluids at spaced locations along the length of the axial bore.
  • the drive shank has radial fluid passages 322a, 322b, 322c communicating between the respective annular channels 314a, 314b, 314c of the drive assembly body 304 and the axial bore 311 of the drive shank.
  • the flow divider tube 324 of this example shown separately in Fig. 9, has annular spacer seals, for example annular skirt valves 326 and 327 and/or grooves 334 to accommodate o-rings 319 (Fig. 8), on its outer surface, dividing the space between axial bore 311 and the tube lengthways into three sections.
  • annular spacer seals for example annular skirt valves 326 and 327 and/or grooves 334 to accommodate o-rings 319 (Fig. 8), on its outer surface, dividing the space between axial bore 311 and the tube lengthways into three sections.
  • the rearmost section between rearmost skirt valve 327 and the o- ring seals 319 communicates with the fluid inlets 312a, 312a' for the first fluid.
  • the aperture 332 in the flow divider tube 324 allows fluid communication from the first fluid port 322a via the respective annular fluid channel 314a and aperture 332 to the inner fluid chamber, forming a first chamber for fluid to pass to the second end of the drive shank into the drive socket
  • the section between the o-rings 319 and front skirt valve 326 communicates with the fluid inlets 312b, 312b' for the second fluid.
  • Skirt valve 326 ⁇ acts as a one-way valve, opening under pressure of the second fluid to allow the fluid to pass along the annular chamber between the tubular flow divider and bore 311 to exit the open end of the bore 311.
  • skirt valve 326 communicates with the third fluid inlet 312 for the third fluid. Because skirt valve 326 acts as a one-way valve, the third fluid is prevented from travelling back along towards the second fluid passageways 322b and instead the third fluid may exit only at the open end of bore 311 at the second end of the drive shank, inside the drive socket.
  • the first fluid inlets 312a may be connected for example to a source of an oil soluble 'Part B' of a two-part resin, second fluid inlets 312b to water soluble 'Part A' of the resin, and third inlet 312c to a source of drilling water.
  • Part A and Part B of the resin are thus kept separate until the fluids exit the drive shank to enter the rock bolt, as described for previous embodiments, while drill flushing water introduced through inlet 312c is prevented by skirt valve 326 from flowing back along the outer chamber to the Part A and Part B fluid inlets 312a and 312b.

Landscapes

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

Abstract

L'invention porte sur un système d'entraînement pour un boulon d'ancrage ou un fleuret auto-foreur comprenant un corps non rotatif (104) ayant une première entrée de fluide (112a) et une seconde entrée de fluide (112b), une queue d'entraînement rotative (106) ayant un alésage axial qui est ouvert à une première extrémité, un premier passage de fluide, qui relie la première entrée de fluide du corps d'élément d'entraînement à l'alésage axial, et un second passage de fluide qui relie la seconde entrée de fluide du corps d'élément d'entraînement à l'alésage axial. Un séparateur de fluide (124) peut être inséré dans l'alésage axial pour diviser l'alésage axial en une première chambre, menant du premier passage de fluide de la queue d'entraînement rotative à l'extrémité ouverte de la queue d'entraînement rotative, et une seconde chambre qui mène également du second passage de fluide de la queue d'entraînement rotative à l'extrémité ouverte de la queue d'entraînement rotative. Le système est structuré pour former des passages d'injection séparés allant des première et seconde entrées de fluide respectives à une entrée de fluide du boulon d'ancrage auto-foreur.
PCT/AU2013/000517 2012-05-17 2013-05-17 Système d'injection et d'entraînement pour soutènement par boulons d'ancrage WO2013170312A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AU2012902041A AU2012902041A0 (en) 2012-05-17 Injection and Drive Arrangement for Rock Bolting
AU2012902041 2012-05-17

Publications (1)

Publication Number Publication Date
WO2013170312A1 true WO2013170312A1 (fr) 2013-11-21

Family

ID=49582904

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/AU2013/000517 WO2013170312A1 (fr) 2012-05-17 2013-05-17 Système d'injection et d'entraînement pour soutènement par boulons d'ancrage

Country Status (1)

Country Link
WO (1) WO2013170312A1 (fr)

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105067792A (zh) * 2015-07-03 2015-11-18 东北石油大学 一种模拟矿场试验分质分注的实验方法
WO2018045277A1 (fr) * 2016-09-02 2018-03-08 J-Lok Co. Système à résine pompable
US10487655B2 (en) 2015-03-03 2019-11-26 J-Lok Co. Pumpable two component resin
WO2020163916A1 (fr) * 2019-02-13 2020-08-20 Fci Holdings Delaware, Inc. Chariot d'injection de résine
CN112360507A (zh) * 2020-09-28 2021-02-12 中煤科工开采研究院有限公司 多通道钻注预紧一体化锚杆施工装置及施工方法
CN112360506A (zh) * 2020-09-28 2021-02-12 中煤科工开采研究院有限公司 一种钻注一体化锚杆施工装置及施工方法
CN113090307A (zh) * 2021-04-30 2021-07-09 中煤科工开采研究院有限公司 锚杆支护施工设备
CN113107559A (zh) * 2021-04-30 2021-07-13 中煤科工开采研究院有限公司 多功能一体化锚杆施工设备
CN113202523A (zh) * 2021-04-30 2021-08-03 中煤科工开采研究院有限公司 多功能一体化锚杆施工装置
WO2023285831A1 (fr) * 2021-07-16 2023-01-19 Hypertunnel Ip Limited Dispositif et procédé de forage, d'injection et d'extraction unifiés
CN116624193A (zh) * 2023-07-21 2023-08-22 山西新能正源智能装备有限公司 连接机构和具有预应力施加及检测功能的锚杆安装设备

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2000060215A1 (fr) * 1999-03-31 2000-10-12 Hydramatic Engineering Pty Limited Procede et appareil pour l'insertion de boulons d'ancrage
WO2006006928A1 (fr) * 2004-07-08 2006-01-19 Atlas Copco Craelius Ab Agencement permettant d'injecter et de fixer un element de renfort et d'ancrage dans une paroi rocheuse
WO2009079684A1 (fr) * 2007-12-21 2009-07-02 Alminco Pty Ltd Soutènement par boulons d'ancrage autoforeurs
WO2009092659A2 (fr) * 2008-01-25 2009-07-30 Friedr. Ischebeck Gmbh Tête d'injection

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2000060215A1 (fr) * 1999-03-31 2000-10-12 Hydramatic Engineering Pty Limited Procede et appareil pour l'insertion de boulons d'ancrage
WO2006006928A1 (fr) * 2004-07-08 2006-01-19 Atlas Copco Craelius Ab Agencement permettant d'injecter et de fixer un element de renfort et d'ancrage dans une paroi rocheuse
WO2009079684A1 (fr) * 2007-12-21 2009-07-02 Alminco Pty Ltd Soutènement par boulons d'ancrage autoforeurs
WO2009092659A2 (fr) * 2008-01-25 2009-07-30 Friedr. Ischebeck Gmbh Tête d'injection

Cited By (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10487655B2 (en) 2015-03-03 2019-11-26 J-Lok Co. Pumpable two component resin
US11506055B2 (en) 2015-03-03 2022-11-22 J-Lok Co. Pumpable resin system
US10954787B2 (en) 2015-03-03 2021-03-23 J-Lok Co. Pumpable two component resin
CN105067792A (zh) * 2015-07-03 2015-11-18 东北石油大学 一种模拟矿场试验分质分注的实验方法
US10669848B2 (en) 2016-09-02 2020-06-02 J-Lok Co. Pumpable resin system
CN113404526A (zh) * 2016-09-02 2021-09-17 J-洛克公司 可泵送树脂系统、配件及岩石锚杆系统
CN109642462A (zh) * 2016-09-02 2019-04-16 J-洛克公司 可泵送树脂系统
WO2018045277A1 (fr) * 2016-09-02 2018-03-08 J-Lok Co. Système à résine pompable
AU2017321811B2 (en) * 2016-09-02 2019-12-19 J-Lok Co. Pumpable resin system
CN109642462B (zh) * 2016-09-02 2021-07-09 J-洛克公司 可泵送树脂系统
US10253628B2 (en) 2016-09-02 2019-04-09 J-Lok Co. Pumpable resin system
WO2020163916A1 (fr) * 2019-02-13 2020-08-20 Fci Holdings Delaware, Inc. Chariot d'injection de résine
CN113474535B (zh) * 2019-02-13 2024-07-09 Fci特拉华控股有限公司 树脂注入抵座
US11867061B2 (en) 2019-02-13 2024-01-09 Fci Holdings Delaware, Inc. Resin injection dolly
CN113474535A (zh) * 2019-02-13 2021-10-01 Fci特拉华控股有限公司 树脂注入抵座
EP3924603A4 (fr) * 2019-02-13 2022-11-02 FCI Holdings Delaware, Inc. Chariot d'injection de résine
CN112360506A (zh) * 2020-09-28 2021-02-12 中煤科工开采研究院有限公司 一种钻注一体化锚杆施工装置及施工方法
CN112360507A (zh) * 2020-09-28 2021-02-12 中煤科工开采研究院有限公司 多通道钻注预紧一体化锚杆施工装置及施工方法
CN113202523A (zh) * 2021-04-30 2021-08-03 中煤科工开采研究院有限公司 多功能一体化锚杆施工装置
CN113090307B (zh) * 2021-04-30 2023-08-25 中煤科工开采研究院有限公司 锚杆支护施工设备
CN113090307A (zh) * 2021-04-30 2021-07-09 中煤科工开采研究院有限公司 锚杆支护施工设备
CN113107559A (zh) * 2021-04-30 2021-07-13 中煤科工开采研究院有限公司 多功能一体化锚杆施工设备
WO2023285831A1 (fr) * 2021-07-16 2023-01-19 Hypertunnel Ip Limited Dispositif et procédé de forage, d'injection et d'extraction unifiés
CN116624193A (zh) * 2023-07-21 2023-08-22 山西新能正源智能装备有限公司 连接机构和具有预应力施加及检测功能的锚杆安装设备
CN116624193B (zh) * 2023-07-21 2023-11-14 山西新能正源智能装备有限公司 连接机构和具有预应力施加及检测功能的锚杆安装设备

Similar Documents

Publication Publication Date Title
WO2013170312A1 (fr) Système d'injection et d'entraînement pour soutènement par boulons d'ancrage
US20110070035A1 (en) Self drilling rock bolting
US9175561B2 (en) Resin injection apparatus for drilling apparatus for installing a ground anchor
US9499951B2 (en) Self-drilling rock bolt assembly and method of installation
WO2000060215A1 (fr) Procede et appareil pour l'insertion de boulons d'ancrage
CN102216565A (zh) 一种注射式密封的阀门和通道系统
WO2005085582A1 (fr) Appareil de forage en un seul passage, utilisation d'un trepan monobloc, procede et boulon d'ancrage pour boulonnage des roches en un seul passage.
KR101477259B1 (ko) 그라우팅액 주입장치 및 그라우팅 시공방법
CN113474535B (zh) 树脂注入抵座
US20150226029A1 (en) Grout delivery
NZ572920A (en) Self-boring bonding anchor
FI130471B (en) STORAGE AND DEVICE FOR ROCK REINFORCEMENT
WO2023209357A1 (fr) Procédé d'installation d'un boulon de câble, système et composants de celui-ci
AU2014201857B2 (en) A tensionable cable bolt assembly
WO2018096507A1 (fr) Boulon d'ancrage auto-foreur accouplé
WO2023285831A1 (fr) Dispositif et procédé de forage, d'injection et d'extraction unifiés
CN118008419A (zh) 一种双通道双向密封式树脂锚固后注浆加固锚杆及施工方法
CN117947785A (zh) 一种定向注浆封堵系统
AU2017200432A1 (en) Self Injecting Rock Bolt Assembly
AU3544100A (en) Method and apparatus for insertion of rock bolts

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 13790614

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 13790614

Country of ref document: EP

Kind code of ref document: A1