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EP1216343A1 - Dispositif pour fixer de maniere liberable un outil a tige cylindrique dans une douille d'outil - Google Patents

Dispositif pour fixer de maniere liberable un outil a tige cylindrique dans une douille d'outil

Info

Publication number
EP1216343A1
EP1216343A1 EP00967412A EP00967412A EP1216343A1 EP 1216343 A1 EP1216343 A1 EP 1216343A1 EP 00967412 A EP00967412 A EP 00967412A EP 00967412 A EP00967412 A EP 00967412A EP 1216343 A1 EP1216343 A1 EP 1216343A1
Authority
EP
European Patent Office
Prior art keywords
chisel
ring
annular groove
rib
fastening ring
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
EP00967412A
Other languages
German (de)
English (en)
Other versions
EP1216343B1 (fr
Inventor
Roman Gerer
Friedrich Pichlmair
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.)
Sandvik Mining and Construction GmbH
Original Assignee
Voest Alpine Bergtechnik 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 Voest Alpine Bergtechnik GmbH filed Critical Voest Alpine Bergtechnik GmbH
Priority to AT00967412T priority Critical patent/ATE256818T1/de
Publication of EP1216343A1 publication Critical patent/EP1216343A1/fr
Application granted granted Critical
Publication of EP1216343B1 publication Critical patent/EP1216343B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21C—MINING OR QUARRYING
    • E21C35/00—Details of, or accessories for, machines for slitting or completely freeing the mineral from the seam, not provided for in groups E21C25/00 - E21C33/00, E21C37/00 or E21C39/00
    • E21C35/18—Mining picks; Holders therefor
    • E21C35/19—Means for fixing picks or holders
    • E21C35/197—Means for fixing picks or holders using sleeves, rings or the like, as main fixing elements
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21C—MINING OR QUARRYING
    • E21C35/00—Details of, or accessories for, machines for slitting or completely freeing the mineral from the seam, not provided for in groups E21C25/00 - E21C33/00, E21C37/00 or E21C39/00
    • E21C35/18—Mining picks; Holders therefor
    • E21C35/187—Mining picks; Holders therefor with arrangement of fluid-spraying nozzles
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21C—MINING OR QUARRYING
    • E21C35/00—Details of, or accessories for, machines for slitting or completely freeing the mineral from the seam, not provided for in groups E21C25/00 - E21C33/00, E21C37/00 or E21C39/00
    • E21C35/18—Mining picks; Holders therefor
    • E21C35/188—Mining picks; Holders therefor characterised by adaptations to use an extraction tool

Definitions

  • EP 201 073 B1 proposed a ring made of elastic plastic in connection with a hard metal ring for the purpose of fixing the chisel, the hard metal ring being intended to secure the chisel in the chisel holder.
  • the selected training required a continuous mounting hole in the chisel holder, since the assembly and disassembly of the chisel was only possible from the rear with access to the corresponding hard metal ring.
  • the design is such that the depth of the ring groove of the chisel shank exceeds the total thickness of the fastening ring in the area of the ring rib. This ensures that the clip ring for assembly can be reduced in diameter in such a way as to enable the chisel m to be inserted easily
  • the inclined surface or end face 18 of the annular rib 16 facing the chisel tip runs parallel to the corresponding inclined surface of the groove 17, so that a corresponding surface contact is ensured, which prevents unintentional loosening of the chisel.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Drilling And Exploitation, And Mining Machines And Methods (AREA)
  • Workshop Equipment, Work Benches, Supports, Or Storage Means (AREA)
  • Percussive Tools And Related Accessories (AREA)

Abstract

L'invention concerne un dispositif pour fixer de manière libérable un outil à tige cylindrique (5) dans une douille d'outil fixée de manière libérable dans un porte-outil (1). La gaine intérieure de la douille (10) présente une rainure annulaire dans laquelle vient se loger une bague de fixation (13) élastique, placée dans une rainure annulaire (12) de la tige d'outil (11). L'invention est caractérisée en ce que la bague de fixation (13) se présente sous la forme d'une bague en matière plastique fendue et comporte une nervure (16) s'étendant dans le sens périphérique. De plus, la largeur de la rainure annulaire (17), mesurée au niveau de la gaine intérieure de la douille dans le sens axial, est supérieure à la largeur de la nervure (16) de la bague en matière plastique élastique, qui s'étend dans le sens périphérique et vient se loger dans la rainure annulaire (17). En outre, la face (18), orientée vers l'extrémité de l'outil, de la nervure annulaire (16), est placée au niveau de la gaine intérieure de la douille (10), de façon à être parallèle à la face, orientée vers cette face (18), de la rainure annulaire (17).
EP00967412A 1999-09-28 2000-09-26 Dispositif pour fixer de maniere liberable un outil a tige cylindrique dans une douille d'outil Expired - Lifetime EP1216343B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT00967412T ATE256818T1 (de) 1999-09-28 2000-09-26 Einrichtung zum lösbaren festlegen eines rundschaftmeissels in einer meisselbüchse

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
AT166299 1999-09-28
AT166299 1999-09-28
PCT/AT2000/000257 WO2001023708A1 (fr) 1999-09-28 2000-09-26 Dispositif pour fixer de maniere liberable un outil a tige cylindrique dans une douille d'outil

Publications (2)

Publication Number Publication Date
EP1216343A1 true EP1216343A1 (fr) 2002-06-26
EP1216343B1 EP1216343B1 (fr) 2003-12-17

Family

ID=3518278

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00967412A Expired - Lifetime EP1216343B1 (fr) 1999-09-28 2000-09-26 Dispositif pour fixer de maniere liberable un outil a tige cylindrique dans une douille d'outil

Country Status (5)

Country Link
EP (1) EP1216343B1 (fr)
AU (1) AU7761200A (fr)
DE (1) DE50004816D1 (fr)
ES (1) ES2176129T3 (fr)
WO (1) WO2001023708A1 (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7097257B2 (en) * 2004-09-15 2006-08-29 Sandvik Intellectual Property Ab Cutting tool with nozzle for spraying water on cutter bit
AT501635B1 (de) * 2005-04-14 2007-07-15 Exel Robert Ing Kunststoffring zum lösbaren festlegen eines rundschaftmeissels in einer meisselbüchse
DE102006029300B3 (de) 2006-06-23 2007-11-29 Betek Bergbau- Und Hartmetalltechnik Karl-Heinz Simon Gmbh & Co. Kg Rundschaftmeißel
EP2652267A1 (fr) 2010-12-17 2013-10-23 William P. Sulosky Ensemble bloc de support pour un outil de coupe ayant un piston hydraulique et procédé
DE102015002712A1 (de) * 2014-03-10 2015-09-10 Bomag Gmbh Rundschaftmeißelanordnung, Sicherungsring für eine Rundschaftmeißelanordnung, Set mit einer Spannhülse und einem Sicherungsring und Verfahren zum Sichern eines Rundschaftmeißels in einem Meißelhalter
US9765618B2 (en) 2015-01-28 2017-09-19 Joy Mm Delaware, Inc. Cutting bit assembly
DE102015119119A1 (de) 2015-11-06 2017-05-11 Betek Gmbh & Co. Kg Werkzeugsystem

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3519309A (en) * 1965-08-12 1970-07-07 Kennametal Inc Rotary cone bit retained by captive keeper ring
US3767266A (en) * 1970-08-10 1973-10-23 Cincinnati Mine Machinery Co Resilient retaining means for connecting work tools and work tool holders
US4247147A (en) * 1979-11-21 1981-01-27 Sandvik Aktiebolag Retainer clip for cutter bits
US4484783A (en) * 1982-07-22 1984-11-27 Fansteel Inc. Retainer and wear sleeve for rotating mining bits
DE3401243A1 (de) * 1983-02-08 1984-08-09 Jürgen 4320 Hattingen Jädke Schaftmeissel fuer den abbau von gesteinen und mineralien
DE8513913U1 (de) 1985-05-10 1985-06-20 Hans Krummenauer GmbH & Co KG, 6680 Neunkirchen Meißelhalter für ein Schrämwerkzeug
US5370448A (en) * 1993-05-17 1994-12-06 Cincinnati Mine Machinery Company Wedging arrangement for attaching a bit holder to the base member of a mining road working, or earth moving machine
AT404969B (de) 1993-12-01 1999-04-26 Voest Alpine Bergtechnik Meisselhalter mit einer lösbar festgelegten meisselbüchse
AUPM494494A0 (en) 1994-04-08 1994-05-05 Cutincoal Pty Limited Integrated drilling and rock bolting apparatus
US5628549A (en) * 1995-12-13 1997-05-13 Kennametal Inc. Cutting tool sleeve rotation limitation system

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO0123708A1 *

Also Published As

Publication number Publication date
ES2176129T1 (es) 2002-12-01
DE50004816D1 (de) 2004-01-29
AU7761200A (en) 2001-04-30
EP1216343B1 (fr) 2003-12-17
ES2176129T3 (es) 2004-06-16
WO2001023708A1 (fr) 2001-04-05

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