ZA801528B - Bearing means in rotary drill bits - Google Patents

Bearing means in rotary drill bits

Info

Publication number
ZA801528B
ZA801528B ZA00801528A ZA801528A ZA801528B ZA 801528 B ZA801528 B ZA 801528B ZA 00801528 A ZA00801528 A ZA 00801528A ZA 801528 A ZA801528 A ZA 801528A ZA 801528 B ZA801528 B ZA 801528B
Authority
ZA
South Africa
Prior art keywords
bearing means
drill bits
rotary drill
rotary
bits
Prior art date
Application number
ZA00801528A
Other languages
English (en)
Inventor
E Persson
Original Assignee
Sandvik Ab
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 Sandvik Ab filed Critical Sandvik Ab
Publication of ZA801528B publication Critical patent/ZA801528B/xx

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
    • F16C33/02—Parts of sliding-contact bearings
    • F16C33/04—Brasses; Bushes; Linings
    • F16C33/06—Sliding surface mainly made of metal
    • F16C33/10—Construction relative to lubrication
    • F16C33/1025—Construction relative to lubrication with liquid, e.g. oil, as lubricant
    • F16C33/106—Details of distribution or circulation inside the bearings, e.g. details of the bearing surfaces to affect flow or pressure of the liquid
    • F16C33/1065—Grooves on a bearing surface for distributing or collecting the liquid
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C17/00—Sliding-contact bearings for exclusively rotary movement
    • F16C17/02—Sliding-contact bearings for exclusively rotary movement for radial load only
    • F16C17/03—Sliding-contact bearings for exclusively rotary movement for radial load only with tiltably-supported segments, e.g. Michell bearings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
    • F16C33/02—Parts of sliding-contact bearings
    • F16C33/04—Brasses; Bushes; Linings
    • F16C33/06—Sliding surface mainly made of metal
    • F16C33/10—Construction relative to lubrication
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C2352/00—Apparatus for drilling

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mining & Mineral Resources (AREA)
  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Chemical & Material Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Earth Drilling (AREA)
  • Auxiliary Devices For Machine Tools (AREA)
  • Drilling And Boring (AREA)
ZA00801528A 1979-03-19 1980-03-14 Bearing means in rotary drill bits ZA801528B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE7902420A SE429673B (sv) 1979-03-19 1979-03-19 Lageranordning vid bergborrkronor

Publications (1)

Publication Number Publication Date
ZA801528B true ZA801528B (en) 1981-03-25

Family

ID=20337573

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA00801528A ZA801528B (en) 1979-03-19 1980-03-14 Bearing means in rotary drill bits

Country Status (9)

Country Link
US (1) US4304444A (sv)
JP (1) JPS56490A (sv)
AU (1) AU5651580A (sv)
CA (1) CA1127627A (sv)
DE (1) DE3009327A1 (sv)
FR (1) FR2455671A1 (sv)
GB (1) GB2045838B (sv)
SE (1) SE429673B (sv)
ZA (1) ZA801528B (sv)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE446646B (sv) * 1981-12-15 1986-09-29 Santrade Ltd Bergborrkrona och sett att tillverka denna
US4478299A (en) * 1982-03-26 1984-10-23 Trend Rock Bit Alberta, Ltd. Rock bit construction
DE3414164A1 (de) * 1984-04-14 1985-10-17 Kulzer & Co GmbH, 6393 Wehrheim Photopolymerisierbarer dentaler haftvermittler-lack
US4749053A (en) * 1986-02-24 1988-06-07 Baker International Corporation Drill bit having a thrust bearing heat sink
ATE85841T1 (de) * 1986-05-19 1993-03-15 Smith International Kuehlnetzwerke fuer lagerflaechen aus polykristallinem diamant.
US5016719A (en) * 1990-01-24 1991-05-21 Western Rock Bit Company Limited Rotary cone type rock bits
EP0544769B1 (en) * 1990-08-20 1998-03-04 SASTRI, Suri A. Tubular surgical cutting instruments
US6033117A (en) * 1995-12-19 2000-03-07 Smith International, Inc. Sealed bearing drill bit with dual-seal configuration
US6254275B1 (en) 1995-12-19 2001-07-03 Smith International, Inc. Sealed bearing drill bit with dual-seal configuration and fluid-cleaning capability
US6264367B1 (en) 1995-12-19 2001-07-24 Smith International, Inc. Dual-seal drill bit with fluid cleaning capability
US5842531A (en) * 1996-04-24 1998-12-01 Dresser Industries, Inc. Rotary rock bit with infiltrated bearings
US5794726A (en) * 1996-04-24 1998-08-18 Dresser Indistries Rotary rock bit with infiltrated bearings
WO1999037879A1 (en) 1998-01-26 1999-07-29 Dresser Industries, Inc. Rotary cone drill bit with enhanced journal bushing
US6220374B1 (en) 1998-01-26 2001-04-24 Dresser Industries, Inc. Rotary cone drill bit with enhanced thrust bearing flange
WO1999049174A1 (en) 1998-03-26 1999-09-30 Dresser Industries, Inc. Rotary cone drill bit with improved bearing system
US6330923B1 (en) * 1999-07-01 2001-12-18 Roy W. Wood Sealing bearings in drill bits
US7992657B2 (en) 2006-08-18 2011-08-09 Atlas Copco Secoroc Llc Earth bit having a wear ring
CN102644274A (zh) * 2012-04-17 2012-08-22 中铁隧道集团三处有限公司 一种围护桩穿越既有结构成桩施工工法
US10711526B2 (en) 2017-02-01 2020-07-14 Baker Hughes, A Ge Company, Llc Methods for forming or servicing a wellbore, and methods of coating surfaces of tools

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1136238A (fr) * 1955-04-04 1957-05-10 Reed Roller Bit Co Outil pour le forage des puits
SE7701680L (sv) * 1977-02-16 1978-08-17 Skf Ab Axiallager for en rulle i en rullborrkrona sw 77 004 sw
SE412088B (sv) * 1977-06-03 1980-02-18 Sandvik Ab Lageranordning vid roterande borrkronor
US4136748A (en) * 1977-11-07 1979-01-30 The Timken Company Roller-type rock bit and bearing arrangement therefor
US4145094A (en) * 1977-11-09 1979-03-20 Smith International, Inc. Rotary rock bit and method of making same
DE2756964C2 (de) * 1977-12-21 1986-01-30 SKF GmbH, 8720 Schweinfurt Rollenmeißel mit mehreren Schneidrollen
US4252383A (en) * 1980-05-23 1981-02-24 Dresser Industries, Inc. Earth boring bit with eccentrically formed bearing surface

Also Published As

Publication number Publication date
SE7902420L (sv) 1980-09-20
US4304444A (en) 1981-12-08
GB2045838B (en) 1982-12-01
CA1127627A (en) 1982-07-13
DE3009327A1 (de) 1980-11-20
JPS56490A (en) 1981-01-06
SE429673B (sv) 1983-09-19
FR2455671A1 (fr) 1980-11-28
AU5651580A (en) 1980-09-25
GB2045838A (en) 1980-11-05

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