CA2656567C - Elements racleurs permettant d'evacuer la matiere decoupee destines a des ensembles fraises et procede - Google Patents

Elements racleurs permettant d'evacuer la matiere decoupee destines a des ensembles fraises et procede Download PDF

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Publication number
CA2656567C
CA2656567C CA2656567A CA2656567A CA2656567C CA 2656567 C CA2656567 C CA 2656567C CA 2656567 A CA2656567 A CA 2656567A CA 2656567 A CA2656567 A CA 2656567A CA 2656567 C CA2656567 C CA 2656567C
Authority
CA
Canada
Prior art keywords
journal
cutter
wipers
shell
cutter shell
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 - Fee Related
Application number
CA2656567A
Other languages
English (en)
Other versions
CA2656567A1 (fr
Inventor
Andrew J. Osborne
Original Assignee
Atlas Copco BHMT Inc
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 BHMT Inc filed Critical Atlas Copco BHMT Inc
Publication of CA2656567A1 publication Critical patent/CA2656567A1/fr
Application granted granted Critical
Publication of CA2656567C publication Critical patent/CA2656567C/fr
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • E21B10/00—Drill bits
    • E21B10/08—Roller bits
    • E21B10/22—Roller bits characterised by bearing, lubrication or sealing details
    • 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
    • E21B10/00—Drill bits
    • E21B10/08—Roller bits
    • E21B10/22—Roller bits characterised by bearing, lubrication or sealing details
    • E21B10/25—Roller bits characterised by bearing, lubrication or sealing details characterised by sealing details

Landscapes

  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Sealing Using Fluids, Sealing Without Contact, And Removal Of Oil (AREA)
  • Sealing Devices (AREA)
  • Mechanical Sealing (AREA)
  • Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)

Abstract

La présente invention concerne un élément racleur pouvant être maintenu sur l'une au moins des surfaces d'une interface dynamique orientée radialement vers l'extérieur ou l'intérieur, provenant d'une paire de surfaces disposées respectivement sur un tourillon et une enveloppe de fraise. L'élément racleur peut se présenter sous la forme d'une saillie à profil bas dotée d'un bord d'attaque généralement orienté de manière diagonale par rapport à un axe de rotation de l'enveloppe de la fraise sur le tourillon de la fraise. Dès lors, le bord d'attaque de l'élément racleur sortira axialement les particules de formation se trouvant entre le tourillon et l'enveloppe de la fraise et les éloignera d'un joint de roulement. L'élément racleur peut présenter une hauteur inférieure à un dégagement régulier présent entre le tourillon et l'enveloppe. Une pluralité d'éléments racleur peuvent être maintenus sur la surface de l'interface dynamique de l'enveloppe ou du tourillon et peut s'étendre à proximité de la surface de l'interface dynamique opposée appartenant à l'autre enveloppe ou tourillon.
CA2656567A 2006-06-20 2007-06-20 Elements racleurs permettant d'evacuer la matiere decoupee destines a des ensembles fraises et procede Expired - Fee Related CA2656567C (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US11/425,366 US20070289780A1 (en) 2006-06-20 2006-06-20 Cuttings removal wipers for cutter assemblies and method
US11/425,366 2006-06-20
PCT/US2007/071696 WO2007149939A2 (fr) 2006-06-20 2007-06-20 Éléments racleurs permettant d'évacuer la matière découpée destinés à des ensembles fraises et procédé

Publications (2)

Publication Number Publication Date
CA2656567A1 CA2656567A1 (fr) 2007-12-27
CA2656567C true CA2656567C (fr) 2013-08-20

Family

ID=38834364

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2656567A Expired - Fee Related CA2656567C (fr) 2006-06-20 2007-06-20 Elements racleurs permettant d'evacuer la matiere decoupee destines a des ensembles fraises et procede

Country Status (7)

Country Link
US (1) US20070289780A1 (fr)
AU (1) AU2007260957A1 (fr)
BR (1) BRPI0713305A2 (fr)
CA (1) CA2656567C (fr)
MX (1) MX2009000129A (fr)
SE (1) SE533748C2 (fr)
WO (1) WO2007149939A2 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8464813B2 (en) * 2006-06-20 2013-06-18 Atlas Copco Secoroc Llc Cutter assembly for a raise boring reamer
US8353369B2 (en) 2008-08-06 2013-01-15 Atlas Copco Secoroc, LLC Percussion assisted rotary earth bit and method of operating the same
US9086091B2 (en) * 2013-06-21 2015-07-21 Caterpillar Global Mining Equipment Llc Bearing assembly for rock drill

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4096917A (en) * 1975-09-29 1978-06-27 Harris Jesse W Earth drilling knobby bit
US4381038A (en) * 1980-11-21 1983-04-26 The Robbins Company Raise bit with cutters stepped in a spiral and flywheel
US5056610A (en) * 1990-09-17 1991-10-15 Smith International, Inc. Shale diverting means for a sealed bearing drill bit
US5341890A (en) * 1993-01-08 1994-08-30 Smith International, Inc. Ultra hard insert cutters for heel row rotary cone rock bit applications
US5366029A (en) * 1993-04-09 1994-11-22 Beck Iii August H Large shaft over-reamer apparatus and method
US5358061A (en) * 1993-10-21 1994-10-25 Smith International, Inc. Seal protection for rock bits
US5429200A (en) * 1994-03-31 1995-07-04 Dresser Industries, Inc. Rotary drill bit with improved cutter
US5740871A (en) * 1996-05-01 1998-04-21 Dresser Industries, Inc. Flow diverter ring for a rotary drill bit and method
US5842700A (en) * 1996-10-08 1998-12-01 Smith International, Inc. Composite rock bit seal
US6336512B1 (en) * 1999-02-02 2002-01-08 Smith International, Inc. Drill bit having canted seal
US6533051B1 (en) * 1999-09-07 2003-03-18 Smith International, Inc. Roller cone drill bit shale diverter
US7036611B2 (en) * 2002-07-30 2006-05-02 Baker Hughes Incorporated Expandable reamer apparatus for enlarging boreholes while drilling and methods of use
US7066287B2 (en) * 2004-02-17 2006-06-27 Baker Hughes Incorporated Mud debris diverter for earth-boring bit

Also Published As

Publication number Publication date
WO2007149939A3 (fr) 2009-02-26
CA2656567A1 (fr) 2007-12-27
US20070289780A1 (en) 2007-12-20
SE533748C2 (sv) 2010-12-21
MX2009000129A (es) 2009-03-13
AU2007260957A1 (en) 2007-12-27
WO2007149939A2 (fr) 2007-12-27
BRPI0713305A2 (pt) 2012-04-17
SE0900034L (sv) 2009-03-12

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EEER Examination request
MKLA Lapsed

Effective date: 20150622