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EP0843073A1 - Procédé et dispositif pour la mise en place de boulons d'ancrage à injection - Google Patents

Procédé et dispositif pour la mise en place de boulons d'ancrage à injection Download PDF

Info

Publication number
EP0843073A1
EP0843073A1 EP97890218A EP97890218A EP0843073A1 EP 0843073 A1 EP0843073 A1 EP 0843073A1 EP 97890218 A EP97890218 A EP 97890218A EP 97890218 A EP97890218 A EP 97890218A EP 0843073 A1 EP0843073 A1 EP 0843073A1
Authority
EP
European Patent Office
Prior art keywords
drill
head
drill pipe
opening
drilling
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.)
Granted
Application number
EP97890218A
Other languages
German (de)
English (en)
Other versions
EP0843073B1 (fr
Inventor
Gerhard Dr.-Ing. Sauer
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of EP0843073A1 publication Critical patent/EP0843073A1/fr
Application granted granted Critical
Publication of EP0843073B1 publication Critical patent/EP0843073B1/fr
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
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D20/00—Setting anchoring-bolts
    • E21D20/02—Setting anchoring-bolts with provisions for grouting
    • 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

Definitions

  • the invention relates to a method according to the Preamble of claim 1.
  • the aim of the invention is to avoid this disadvantage and to propose a method of the type mentioned at the beginning, in which A high level of security is guaranteed that the anchor or Skewer maintains its position during the pressing of the hardening mass.
  • the proposed measure ensures that the anchor or spit is carried away by the emerging highly viscous mass is and therefore with the simultaneous axial movement of the Drill pipe remains in the deepest end of the borehole.
  • the highly viscous mass also makes it radial Migration of the anchor or spit is a very considerable resistance opposite, creating a high degree of positional accuracy of the anchor or skewer is ensured. Due to the high viscosity Mass-related high position stability of the anchors can also Anchor ropes are used.
  • the injection compound can be anchor mortar, synthetic resin and the like but also act as pasty explosives.
  • Another object of the invention is a device to propose to carry out the method according to the invention.
  • the one at one end have a head provided with a cutting edge.
  • the head of the anchor in the axial direction against the drilling direction supported. This makes it necessary to anchor the anchor into the drill head to use.
  • the Anchor may only have a maximum length than the marshalling area corresponds to a drill carriage receiving the drill pipe, in other words, it must match the length of the anchor Drill mount can be used.
  • the aim of the invention is to avoid this disadvantage and to propose a device according to the preamble of claim 2, where also anchors with a the marshalling area of the used Length of the drill carriage can be used can.
  • this is in a device according to the Preamble of claim 2 by the characterizing features of Claim 2 reached.
  • the proposed measures are far-reaching Closure of the opening of the opening of the drill head ensured, the drill head even without inserted anchor is fully usable. This makes it possible to drill the hole first and then insert the anchor into the drill pipe. Problems with the are often encountered during drilling a very substantial game inside the drill pipe Anchoring avoided. In addition, the length limitation of the Anchor with regard to the shunting length of the drill carriage used path.
  • the Drill head 1 which on its free end face with drill pins 2 Tungsten carbide is equipped with an opening 3, which is in axial Direction of the drill head 1 extends.
  • This breakthrough 3 points a non-circular cross-section and expands against the free Face of the drill head.
  • the opening 3 a substantially cross-shaped cross section.
  • a drill stub 4 held at its free Has a cutting edge 5.
  • This drilling stub 4 is in supported in the axial direction against the drilling direction and is present the conical surfaces of the opening 3.
  • the drilling stub 4 with a transverse bore 6 provided, which is penetrated by a substantially U-shaped spring 7 is, the legs in pocket-shaped extensions 8 of the Breakthrough 3 engage and the drill stub by friction hold with the walls of breakthrough 3.
  • the legs in pocket-shaped extensions 8 of the Breakthrough 3 engage and the drill stub by friction hold with the walls of breakthrough 3.
  • the drill head 1 is in the usual way on a drill string 9 screwed on, which can also be formed in several parts.
  • the compression head 10 has in the usual way provided with the feed 11 Sleeve 12 on the inside of a circumferential groove 13 in the area of the feed 11, the sleeve one with the Drill pipe 9 encloses head 14 rotatably connected.
  • This Head 14 is provided with a central blind bore 15 which is against the interior of the drill pipe 9 is too open and has a cross hole 16 with the circumferential groove 13 of the sleeve 12 in connection stands.
  • the sleeve 12 is against the head 14 by means of seals 17 sealed.
  • a rotary hammer (not shown) engages on the head 14 who can engage in the blind bore 18.
  • an anchor In the manufacture of an anchor according to the invention by means of the drill head 1, in which a drill stub 4 is held and which is connected to a drill pipe 9, a hole in the securing rock formation advanced. This can be done in the drill pipe 9 an anchor 19 may also be introduced, this is necessary However not.
  • a washing-up liquid is poured over the Interior of the drill pipe supplied to the drilling site.
  • the contribution the detergent is carried out via a rinsing head, which is also known as Compression head 10 can be formed.

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)
  • Piles And Underground Anchors (AREA)
EP97890218A 1996-11-13 1997-11-04 Procédé et dispositif pour la mise en place de boulons d'ancrage à injection Expired - Lifetime EP0843073B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
AT198996 1996-11-13
AT198996 1996-11-13
AT1989/96 1996-11-13

Publications (2)

Publication Number Publication Date
EP0843073A1 true EP0843073A1 (fr) 1998-05-20
EP0843073B1 EP0843073B1 (fr) 2002-02-06

Family

ID=3525438

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97890218A Expired - Lifetime EP0843073B1 (fr) 1996-11-13 1997-11-04 Procédé et dispositif pour la mise en place de boulons d'ancrage à injection

Country Status (3)

Country Link
EP (1) EP0843073B1 (fr)
JP (1) JPH10220197A (fr)
DE (1) DE59706293D1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2366869A3 (fr) * 2010-03-08 2013-03-13 Markus Swoboda Ancre autoforeuse
CN105089550A (zh) * 2014-05-20 2015-11-25 枣庄矿业集团中兴建安工程有限公司 提拉式卡瓦止浆塞

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1369178A (fr) * 1963-09-05 1964-08-07 Procédé et dispositif d'ancrage applicable aux tiges de soutènement employées dans les mines, et pour tous autres scellements à sec
US3682260A (en) * 1969-05-30 1972-08-08 Gunter Klemm Rotary percussive drill and method
DE2431113A1 (de) * 1974-06-28 1976-01-15 Takechi Komusho Kk Verfahren und vorrichtung zum einsetzen eines ankers
US4289427A (en) * 1979-02-07 1981-09-15 Owens-Corning Fiberglas Corporation Process for installing roof bolts
JPS5763370A (en) * 1980-10-03 1982-04-16 Sumitomo Chem Co Ltd Non-combustible and heat-resistant agent for fixing anchor bolt in hole
US4378180A (en) * 1980-11-05 1983-03-29 Scott James J Yieldable mine roof support fixture
US4979848A (en) * 1988-11-03 1990-12-25 Gerhard Sauer Drilling device
WO1992009789A1 (fr) * 1990-11-28 1992-06-11 Tamrock Oy Boulon de roche
EP0534197A1 (fr) * 1991-09-21 1993-03-31 BASF Aktiengesellschaft Cartouche prévue pour la technique de fixation chimique

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1369178A (fr) * 1963-09-05 1964-08-07 Procédé et dispositif d'ancrage applicable aux tiges de soutènement employées dans les mines, et pour tous autres scellements à sec
US3682260A (en) * 1969-05-30 1972-08-08 Gunter Klemm Rotary percussive drill and method
DE2431113A1 (de) * 1974-06-28 1976-01-15 Takechi Komusho Kk Verfahren und vorrichtung zum einsetzen eines ankers
US4289427A (en) * 1979-02-07 1981-09-15 Owens-Corning Fiberglas Corporation Process for installing roof bolts
JPS5763370A (en) * 1980-10-03 1982-04-16 Sumitomo Chem Co Ltd Non-combustible and heat-resistant agent for fixing anchor bolt in hole
US4378180A (en) * 1980-11-05 1983-03-29 Scott James J Yieldable mine roof support fixture
US4979848A (en) * 1988-11-03 1990-12-25 Gerhard Sauer Drilling device
WO1992009789A1 (fr) * 1990-11-28 1992-06-11 Tamrock Oy Boulon de roche
EP0534197A1 (fr) * 1991-09-21 1993-03-31 BASF Aktiengesellschaft Cartouche prévue pour la technique de fixation chimique

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 006, no. 139 (C - 116) 28 July 1982 (1982-07-28) *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2366869A3 (fr) * 2010-03-08 2013-03-13 Markus Swoboda Ancre autoforeuse
CN105089550A (zh) * 2014-05-20 2015-11-25 枣庄矿业集团中兴建安工程有限公司 提拉式卡瓦止浆塞

Also Published As

Publication number Publication date
DE59706293D1 (de) 2002-03-21
JPH10220197A (ja) 1998-08-18
EP0843073B1 (fr) 2002-02-06

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