EP0771934A3 - Coupling for percussion rods - Google Patents

Coupling for percussion rods Download PDF

Info

Publication number
EP0771934A3
EP0771934A3 EP96116533A EP96116533A EP0771934A3 EP 0771934 A3 EP0771934 A3 EP 0771934A3 EP 96116533 A EP96116533 A EP 96116533A EP 96116533 A EP96116533 A EP 96116533A EP 0771934 A3 EP0771934 A3 EP 0771934A3
Authority
EP
European Patent Office
Prior art keywords
coupling
percussion
rods
percussion rods
round
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
EP96116533A
Other languages
German (de)
French (fr)
Other versions
EP0771934B1 (en
EP0771934A2 (en
Inventor
Hans-Peter Dr. Meyen
Bernhard Moser
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.)
Robert Bosch Power Tools GmbH
Original Assignee
Hawera Probst 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 Hawera Probst GmbH filed Critical Hawera Probst GmbH
Publication of EP0771934A2 publication Critical patent/EP0771934A2/en
Publication of EP0771934A3 publication Critical patent/EP0771934A3/en
Application granted granted Critical
Publication of EP0771934B1 publication Critical patent/EP0771934B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

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

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Earth Drilling (AREA)

Abstract

Es wird ein Bohrwerkzeug insbesondere für eine drehschlagende Beanspruchung zur Bearbeitung von Gestein oder dergleichen vorgeschlagen, bei welchem ein Rundgewinde verwendet wird. Um eine Leistungssteigerung durch eine gezielte Krafteinlenkung auf die zweiteilige Verbindung zwischen Bohrerkopf und Bohrerschaft und einen verminderten Verschleiß zu erreichen, weisen die angepaßten Rundgewinde achsparallele Abschnitte in ihren Wellenbergen beziehungsweise Wellentälern auf.

Figure 00000001
A drilling tool is proposed in particular for a rotational impact for processing rock or the like, in which a round thread is used. In order to achieve an increase in performance through a targeted application of force to the two-part connection between the drill head and drill shank and reduced wear, the adapted round threads have axially parallel sections in their wave crests or wave troughs.
Figure 00000001
EP96116533A 1995-11-04 1996-10-16 Coupling for percussion rods Expired - Lifetime EP0771934B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19541163 1995-11-04
DE19541163A DE19541163A1 (en) 1995-11-04 1995-11-04 Drilling tool, in particular for processing stone

Publications (3)

Publication Number Publication Date
EP0771934A2 EP0771934A2 (en) 1997-05-07
EP0771934A3 true EP0771934A3 (en) 1998-06-17
EP0771934B1 EP0771934B1 (en) 2003-04-23

Family

ID=7776639

Family Applications (1)

Application Number Title Priority Date Filing Date
EP96116533A Expired - Lifetime EP0771934B1 (en) 1995-11-04 1996-10-16 Coupling for percussion rods

Country Status (2)

Country Link
EP (1) EP0771934B1 (en)
DE (2) DE19541163A1 (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE517151C2 (en) * 2000-11-30 2002-04-23 Sandvik Ab Threaded joints for striking drilling and parts thereof
SE525431C2 (en) * 2003-02-24 2005-02-22 Sandvik Ab Trade for striking drilling
SE528245C2 (en) * 2004-09-23 2006-10-03 Seco Tools Ab Tool head with mounting section with axial and radial stop surfaces
AT509643B1 (en) 2010-04-07 2013-08-15 Dywidag Systems Int Gmbh TWO-PIECE DRILLING TOOL FOR HANDLING OR DRILLING HOLES IN FLOOR OR ROCK MATERIALS
CN102493515B (en) * 2011-12-15 2014-09-03 湖南科技大学 Structure of hydraulic breaker drill rod, and method for embedding alloy drill bit of hydraulic breaker drill rod
AT13405U1 (en) * 2012-01-20 2013-12-15 Ceratizit Austria Gmbh HART MATERIAL THREAD CONNECTION
DE102012107546A1 (en) * 2012-08-17 2014-02-20 Franz Haimer Maschinenbau Kg tooling
US9643262B2 (en) 2013-07-25 2017-05-09 Kennametal Inc. Coupling mechanism for cutting tool
US9643264B2 (en) 2013-07-25 2017-05-09 Kennametal Inc. Coupling mechanism for cutting tool
US9889509B2 (en) 2014-05-05 2018-02-13 Kennametal Inc. Cutter heads with improved coupling

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1477855A (en) * 1922-04-18 1923-12-18 Fred W Thurston Drill
US2052011A (en) * 1934-08-06 1936-08-25 Timken Roller Bearing Co Separable drill bit
US4040756A (en) * 1976-03-05 1977-08-09 Trw Canada Limited Drill rod thread form
DE2800887A1 (en) * 1977-01-11 1978-07-13 Padley & Venables Ltd DRILL ROD CONSISTING OF RELEASABLE ELEMENTS
DE3330025A1 (en) * 1982-08-30 1984-03-01 Ingersoll-Rand Co., 07675 Woodcliff Lake, N.J. TWO-PIECE DRILL
EP0324442A1 (en) * 1988-01-11 1989-07-19 Sandvik Rock Tools Inc. Elliptical thread design
WO1996030620A1 (en) * 1995-03-27 1996-10-03 Sandvik Ab Rock drilling tool, drill bit and a method of transferring percussive energy

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1876565A (en) * 1932-09-13 of canton
US1943879A (en) * 1930-04-08 1934-01-16 Detachable Bit Corp Of America Drill
US2772899A (en) * 1948-05-15 1956-12-04 Hughes Tool Co Threaded oil well drill stem connection with the threads having included crest angleof 90 degrees
US3492101A (en) * 1967-05-10 1970-01-27 Chromalloy American Corp Work-hardenable refractory carbide tool steels
NO134763C (en) * 1971-01-07 1976-12-08 Sandvik Ab
US3876319A (en) * 1973-03-23 1975-04-08 Skil Corp Fastening means for two-piece core bit
SE459681B (en) * 1985-01-07 1989-07-24 Santrade Ltd DRILLING ELEMENT BEFORE SHOCK DRILLING
SE469602B (en) * 1985-04-04 1993-08-02 Sandvik Ab CUTTING HEAD BEFORE SHOCK DRILLING
DE3513347C1 (en) * 1985-04-13 1987-01-02 Karl Burgsmueller Conical, multi-start threaded connection for fastening parts of a deep-drilling tool
DE8521577U1 (en) * 1985-07-26 1986-04-17 Lindhorst, Jürgen, 2000 Hamburg Crown drilling tool for preferably drilling in stone, masonry or the like.
SE460301B (en) * 1986-10-15 1989-09-25 Sandvik Ab CUTTING ROD FOR STOCKING DRILLING MACHINE
DE3910627A1 (en) * 1989-04-01 1990-10-04 Ischebeck Friedrich Gmbh CONNECTING ELEMENT
DE4220636B4 (en) * 1992-06-24 2004-07-08 Friedr. Ischebeck Gmbh Connecting element, in particular coupling sleeve, for a screw connection of injection anchor rods of injection anchors
DE4314868C2 (en) * 1993-05-05 2002-05-16 Hawera Probst Kg Hartmetall drilling

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1477855A (en) * 1922-04-18 1923-12-18 Fred W Thurston Drill
US2052011A (en) * 1934-08-06 1936-08-25 Timken Roller Bearing Co Separable drill bit
US4040756A (en) * 1976-03-05 1977-08-09 Trw Canada Limited Drill rod thread form
DE2800887A1 (en) * 1977-01-11 1978-07-13 Padley & Venables Ltd DRILL ROD CONSISTING OF RELEASABLE ELEMENTS
DE3330025A1 (en) * 1982-08-30 1984-03-01 Ingersoll-Rand Co., 07675 Woodcliff Lake, N.J. TWO-PIECE DRILL
EP0324442A1 (en) * 1988-01-11 1989-07-19 Sandvik Rock Tools Inc. Elliptical thread design
WO1996030620A1 (en) * 1995-03-27 1996-10-03 Sandvik Ab Rock drilling tool, drill bit and a method of transferring percussive energy

Also Published As

Publication number Publication date
EP0771934B1 (en) 2003-04-23
DE59610370D1 (en) 2003-05-28
EP0771934A2 (en) 1997-05-07
DE19541163A1 (en) 1997-05-07

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