EP1407115B1 - Verbindung einer ankerstange mit einem bohrgerät - Google Patents

Verbindung einer ankerstange mit einem bohrgerät Download PDF

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Publication number
EP1407115B1
EP1407115B1 EP01274371A EP01274371A EP1407115B1 EP 1407115 B1 EP1407115 B1 EP 1407115B1 EP 01274371 A EP01274371 A EP 01274371A EP 01274371 A EP01274371 A EP 01274371A EP 1407115 B1 EP1407115 B1 EP 1407115B1
Authority
EP
European Patent Office
Prior art keywords
anchor rod
transition sleeve
section
anchor
connection
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.)
Expired - Lifetime
Application number
EP01274371A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP1407115A1 (de
Inventor
Hannes Papousek
Herbert Papousek
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.)
Atlas Copco Mai GmbH
Original Assignee
Atlas Copco Mai GmbH
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 Atlas Copco Mai GmbH filed Critical Atlas Copco Mai GmbH
Publication of EP1407115A1 publication Critical patent/EP1407115A1/de
Application granted granted Critical
Publication of EP1407115B1 publication Critical patent/EP1407115B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
    • E21B17/02—Couplings; joints
    • E21B17/04—Couplings; joints between rod or the like and bit or between rod and rod or the like
    • E21B17/042—Threaded
    • E21B17/0426—Threaded with a threaded cylindrical portion, e.g. for percussion rods
    • 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
    • E21D21/0026—Anchoring-bolts for roof, floor in galleries or longwall working, or shaft-lining protection characterised by constructional features of the bolts
    • 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
    • E21D21/0026—Anchoring-bolts for roof, floor in galleries or longwall working, or shaft-lining protection characterised by constructional features of the bolts
    • E21D21/0053—Anchoring-bolts in the form of lost drilling rods
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T403/00—Joints and connections
    • Y10T403/57—Distinct end coupler
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T403/00—Joints and connections
    • Y10T403/57—Distinct end coupler
    • Y10T403/5733—Plural opposed sockets
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T403/00—Joints and connections
    • Y10T403/57—Distinct end coupler
    • Y10T403/5741—Separate screw or pin-type connections
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T403/00—Joints and connections
    • Y10T403/57—Distinct end coupler
    • Y10T403/5746—Continuous thread
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T403/00—Joints and connections
    • Y10T403/57—Distinct end coupler
    • Y10T403/5761—Interrupted periphery, e.g., split or segmental, etc.
    • Y10T403/5786—Split

Definitions

  • the invention relates to a connection of an anchor rod with the drill of a device for setting Doublebohrinjetechnischsankern.
  • the anchor rods which make up the anchor system, are connected to the drill head of a drill. This connection is made via a transition sleeve into which one end of the anchor rod is screwed and which is coupled to the insertion end of the drill, for example by screwing. At the foremost end of the first anchor rod a drill bit is screwed. As the depth of the well progresses, the anchor rod is extended by unscrewing connecting couplings and other anchor rods until the total anchor length is reached.
  • the first release of the anchor rod of the transition sleeve on the drill has been found in the prior art to be problematic.
  • the anchor rod in the transition sleeve which connects them to the drill jammed, resulting in work disorders, as required for the release of the screw between the anchor rod and transition sleeve much power and time is.
  • the reason for the frequent jamming is that the non-heat treated anchor rods have a lower hardness compared to boring bars, which are always used in tempered quality.
  • the also always tempered transition sleeve The drill, as it is designed for multiple use, much harder than the anchor rods.
  • anchor rods From US Pat. No. 4,332,502 A it is known for anchor rods to be connected to one another by connecting couplings to form thread-free sections at the ends thereof.
  • the anchor rods are connected to each other in US 4,332,502 A by coupling couplings, which have in the region in which the anchored to the coupling coupling anchor rods with their thread-free sections to each other, an inwardly projecting ring into which the unthreaded ends of the screwed into the transition sleeve Engage anchor rods.
  • the invention is based on the object, the end of anchor rods recorded in the transition sleeve on the drill in such a way that the described jamming does not occur.
  • Anchor rod In contrast to the known anchor rods, in which the ends are chamfered (slightly), at least one end of Anchor rod according to the invention provided with a diameter-tapered portion.
  • This section which is provided on the anchor rod at least at its in the transition sleeve of the drill received (screwed into this) end, may have a cylindrical outer surface and in turn have on the end face a chamfer.
  • the inventive design of at least one end of the anchor rods results in a trouble-free loosening (unscrewing) of anchor rods of the transition sleeve, because when drilling anchors under the action of loads occurring during drilling deformations of the recorded in the transition sleeve end of an anchor rod because of the free space between the inner surface of the transition sleeve and the smaller diameter portion of the end of the anchor rod can not lead to jamming of the anchor rods in the transition sleeve.
  • the screwing of the coupling couplings to the end of the last anchor rod protruding from the borehole is also problem-free because there is play between the tapered end of the anchor rod and the inner surface of the coupling coupling even if the end of the anchor rod has been deformed.
  • the advantage for the user of the connection between anchor rod and drill according to the invention is first that longer breaks in work are avoided because the anchor rod can be easily solved by the transition sleeve, so that trouble-free operation is guaranteed.
  • the solution of the object of the invention (avoid jamming between transition sleeve and anchor rod) is of considerable importance, since the removal of a disturbance at a higher altitude not one represents an insignificant security risk.
  • the hammer drill shown in Fig. 1 consists of a drill 1, which is advanced on a supported on mountains 2 leadership of the drill mount 3 according to the Bohrfort Colour.
  • the drive provided for this purpose is not shown.
  • An anchor rod 6 is screwed to the insertion end 4 of the drilling apparatus 1 via a transition sleeve 5, to which anchor rods are either connected directly via connecting couplings 7 or directly to an anchor rod or, depending on the progress of drilling, further anchor rods 6.
  • a rinsing liquid can be introduced into the anchor rods 6 and, after the bore has been completed, a (hydraulically) setting medium for fixing the anchor, which after hardening fixes the anchor, which consists of the corresponding number of anchor rods 6, in the borehole.
  • Fig. 2 shows an end of a known anchor rod 6, which has an external thread 9 by appropriate shaping of its wall.
  • the end of the known anchor rod is provided with a 45 ° chamfer 11.
  • the anchor rod 6 at least one end is formed as shown in Fig. 3, and has a portion 12 which has a relation to the outer diameter (Rd) of the anchor rod 6 reduced diameter Ra and no external thread 9 carries.
  • the free end of the portion 12 of the anchor rod 6 of reduced diameter Ra may also be provided with a 45 ° chamfer 11.
  • An analogous embodiment is possible for at least the screwed into the transition sleeve 5 end of the drill rod 8, but not mandatory, especially if the drill rod 8 made of hardened steel (as the transition sleeve 5).
  • the outer shape of the section 12 of reduced diameter is in itself arbitrary, but will often be formed cylindrical barrel-shaped.
  • the section 15 may also be tapered conically towards the free end, wherein the outer contour is inclined by not more than 20 degrees to the longitudinal axis of the anchor rod 6.
  • the clear cross section of the annular rib 20 is substantially the same size as the clear cross section of the anchor rods. 8
  • This clearance 23 allows a plastic deformation of the tapered portion 12 provided at the end of the anchor rod 6, without the anchor rod 6 (or the drill rod 8) jamming in the transition sleeve 5.
  • the anchor rod 6 rests with its end face 24 against the lateral annular surface 25 of the annular rib 20.
  • the insertion end 4 of the drill 1 is located with its end surface 26 on the other annular surface 27 of the annular rib 20 at.
  • An anchor rod 6 for rock bolt (Selbstbohrinjekomsanker) has an external thread 9 for connecting the anchor rod 6 with a drill 1 via a transition sleeve 5.
  • the screwed into the transition sleeve 5 end of the anchor rod 6 has a portion 12 with respect to the outer diameter of the anchor rod 6 of smaller diameter ,
  • the section 12 of the anchor rod 6 with a tapered diameter has a chamfer 11 at its free end.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Geochemistry & Mineralogy (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Structural Engineering (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Earth Drilling (AREA)
  • Piles And Underground Anchors (AREA)
  • Dowels (AREA)
  • Joining Of Building Structures In Genera (AREA)
  • Processing Of Stones Or Stones Resemblance Materials (AREA)
EP01274371A 2001-07-19 2001-07-19 Verbindung einer ankerstange mit einem bohrgerät Expired - Lifetime EP1407115B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/AT2001/000247 WO2003008763A1 (de) 2001-07-19 2001-07-19 Verbindung einer ankerstange mit einem bohrgerät

Publications (2)

Publication Number Publication Date
EP1407115A1 EP1407115A1 (de) 2004-04-14
EP1407115B1 true EP1407115B1 (de) 2006-03-15

Family

ID=3619083

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01274371A Expired - Lifetime EP1407115B1 (de) 2001-07-19 2001-07-19 Verbindung einer ankerstange mit einem bohrgerät

Country Status (17)

Country Link
US (1) US7044678B2 (da)
EP (1) EP1407115B1 (da)
JP (1) JP4570871B2 (da)
CN (1) CN100378294C (da)
AT (2) ATE320546T1 (da)
CA (1) CA2454067C (da)
CZ (1) CZ302129B6 (da)
DE (1) DE50109210D1 (da)
DK (1) DK1407115T3 (da)
ES (1) ES2258061T3 (da)
HK (1) HK1067401A1 (da)
NO (1) NO333038B1 (da)
PL (1) PL198229B1 (da)
PT (1) PT1407115E (da)
SI (1) SI1407115T1 (da)
SK (1) SK287944B6 (da)
WO (1) WO2003008763A1 (da)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DK1134762T3 (da) 2000-03-16 2004-08-30 Naimer H L Afbryder
DE10336040B4 (de) * 2003-08-01 2006-12-28 Hilti Ag Adapter für einen selbstbohrenden Gebirgsanker
AT9590U1 (de) * 2006-08-17 2007-12-15 Atlas Copco Mai Gmbh Reibrohranker und inflationsadapter für diesen
AT505072B1 (de) 2007-04-13 2009-02-15 Alwag Tunnelausbau Gmbh Verfahren und vorrichtung zum sichern eines mit einem aussengewinde versehenen gegenstands
WO2010085829A2 (de) 2009-01-27 2010-08-05 Dywidag-Systems International Gmbh Vorrichtung zum koppeln von zwei rohrartigen elementen
PL3019700T3 (pl) 2013-07-12 2018-03-30 Minova International Limited Podatna kotwa skalna
DE102013012714A1 (de) * 2013-08-01 2015-02-05 Deilmann-Haniel Mining Systems Gmbh Einsteckende für ein Bohr- und Ankersetzgerät
CA3127119A1 (en) * 2019-02-13 2020-08-20 Fci Holdings Delaware, Inc. Resin injection dolly
AU2022266849A1 (en) * 2021-04-27 2023-10-12 Oka Rock Bolt Technologies Pty Limited A drill head injection system for a self-drilling rock bolt assembly

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3537738A (en) * 1968-04-15 1970-11-03 Sandvikens Jernverks Ab Drill rod for long hole drilling in the ground
NL155335C (da) * 1971-07-09 1900-01-01
FR2322322A1 (fr) * 1975-08-29 1977-03-25 Nova Hut Klementa Gottwalda Jonction hermetique filetee de tubes
US4332502A (en) * 1977-01-11 1982-06-01 Padley & Venables Limited Apparatus for use in drilling
JPS616488A (ja) * 1984-06-20 1986-01-13 日本鋼管株式会社 油井管用ネジ継手
SE8605408D0 (sv) * 1986-12-16 1986-12-16 Atlas Copco Ab Method of stabilizing a rock structure and stabilizer therefor
US5169183A (en) * 1987-05-12 1992-12-08 Diamant Boart Stratabit S.A. Threaded joint for drill rod elements
DE3910627A1 (de) * 1989-04-01 1990-10-04 Ischebeck Friedrich Gmbh Verbindungselement
EP0552424A1 (en) * 1992-01-24 1993-07-28 Erico International Corporation High dynamic strength reinforcing bar splice and method of making
CN2174566Y (zh) * 1993-08-30 1994-08-17 徐州矿务局第二机械厂 钢丝绳结构锚杆
WO1996017153A1 (de) * 1994-11-25 1996-06-06 Gd-Anker-Mai-Pump Gesellschaft Mbh Kupplung für ankerstangen
US6073332A (en) * 1998-03-09 2000-06-13 Turner; William C. Corrosion resistant tubular system and method of manufacture thereof
JP2000008760A (ja) * 1998-06-26 2000-01-11 Boart Longyear Inc 直線穴あけシステム
US7108063B2 (en) * 2000-09-25 2006-09-19 Carstensen Kenneth J Connectable rod system for driving downhole pumps for oil field installations

Also Published As

Publication number Publication date
AT8246U2 (de) 2006-04-15
AT8246U3 (de) 2010-02-15
CA2454067C (en) 2009-10-27
CN100378294C (zh) 2008-04-02
PT1407115E (pt) 2006-05-31
PL198229B1 (pl) 2008-06-30
HK1067401A1 (en) 2005-04-08
ES2258061T3 (es) 2006-08-16
JP2004522030A (ja) 2004-07-22
CA2454067A1 (en) 2003-01-30
ATE320546T1 (de) 2006-04-15
SK352004A3 (sk) 2005-08-04
CZ200459A3 (cs) 2004-06-16
CZ302129B6 (cs) 2010-11-03
DK1407115T3 (da) 2006-04-10
NO333038B1 (no) 2013-02-18
JP4570871B2 (ja) 2010-10-27
WO2003008763A1 (de) 2003-01-30
EP1407115A1 (de) 2004-04-14
SI1407115T1 (sl) 2006-08-31
US20040184872A1 (en) 2004-09-23
US7044678B2 (en) 2006-05-16
NO20040209L (no) 2004-03-15
DE50109210D1 (de) 2006-05-11
PL367345A1 (en) 2005-02-21
SK287944B6 (sk) 2012-06-04
CN1535348A (zh) 2004-10-06

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