FR2435597A1 - Trepan a plusieurs molettes montees chacune sur au moins deux rangees de billes - Google Patents

Trepan a plusieurs molettes montees chacune sur au moins deux rangees de billes

Info

Publication number
FR2435597A1
FR2435597A1 FR7921688A FR7921688A FR2435597A1 FR 2435597 A1 FR2435597 A1 FR 2435597A1 FR 7921688 A FR7921688 A FR 7921688A FR 7921688 A FR7921688 A FR 7921688A FR 2435597 A1 FR2435597 A1 FR 2435597A1
Authority
FR
France
Prior art keywords
balls
rows
pivot
drill bit
wheel mounted
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.)
Withdrawn
Application number
FR7921688A
Other languages
English (en)
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 AB
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 FR2435597A1 publication Critical patent/FR2435597A1/fr
Withdrawn legal-status Critical Current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
    • 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
    • F16C19/00—Bearings with rolling contact, for exclusively rotary movement
    • F16C19/49—Bearings with both balls and rollers
    • 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
    • F16C19/00—Bearings with rolling contact, for exclusively rotary movement
    • F16C19/50—Other types of ball or roller bearings
    • F16C19/505—Other types of ball or roller bearings with the diameter of the rolling elements of one row differing from the diameter of those of another row
    • 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
    • F16C43/00—Assembling bearings
    • F16C43/04—Assembling rolling-contact bearings
    • F16C43/06—Placing rolling bodies in cages or 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
    • F16C2352/00—Apparatus for drilling

Landscapes

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

Abstract

Trépan à plusieurs molettes coniques dont l'extrémité tournée vers le corps de trépan est montée par au moins deux rangées de billes sur un pivot du corps de trépan. Le pivot 1 est réalisé d'un seul tenant avec le corps de trépan 2, la piste intérieure de chaque rangée de billes 4, 5 est formée par une rainure 8, 9 ménagée dans le pivot 1 et que le pivot 1 comporte, pour chaque rangée de billes 4, 5, un trou d'introduction 14, 15 débouchant de la rainure correspondante 8, 9 et obturé par une goupille de remplissage 12, 13.
FR7921688A 1978-09-05 1979-08-29 Trepan a plusieurs molettes montees chacune sur au moins deux rangees de billes Withdrawn FR2435597A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19787826323U DE7826323U1 (de) 1978-09-05 1978-09-05 Rollenmeissel

Publications (1)

Publication Number Publication Date
FR2435597A1 true FR2435597A1 (fr) 1980-04-04

Family

ID=6694805

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7921688A Withdrawn FR2435597A1 (fr) 1978-09-05 1979-08-29 Trepan a plusieurs molettes montees chacune sur au moins deux rangees de billes

Country Status (3)

Country Link
US (1) US4284310A (fr)
DE (1) DE7826323U1 (fr)
FR (1) FR2435597A1 (fr)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4453836A (en) * 1981-08-31 1984-06-12 Klima Frank J Sealed hard-rock drill bit
US5513711A (en) * 1994-08-31 1996-05-07 Williams; Mark E. Sealed and lubricated rotary cone drill bit having improved seal protection
US5513715A (en) * 1994-08-31 1996-05-07 Dresser Industries, Inc. Flat seal for a roller cone rock bit
US5441120A (en) * 1994-08-31 1995-08-15 Dresser Industries, Inc. Roller cone rock bit having a sealing system with double elastomer seals
US5636700A (en) * 1995-01-03 1997-06-10 Dresser Industries, Inc. Roller cone rock bit having improved cutter gauge face surface compacts and a method of construction
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
US6033117A (en) * 1995-12-19 2000-03-07 Smith International, Inc. Sealed bearing drill bit with dual-seal configuration
US5709278A (en) * 1996-01-22 1998-01-20 Dresser Industries, Inc. Rotary cone drill bit with contoured inserts and compacts
US5722497A (en) * 1996-03-21 1998-03-03 Dresser Industries, Inc. Roller cone gage surface cutting elements with multiple ultra hard cutting surfaces

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2011084A (en) * 1932-06-20 1935-08-13 Hughes Tool Co Mounting for drill cutters
US2025260A (en) * 1934-10-26 1935-12-24 John A Zublin Cutter for drill bits
GB444696A (en) * 1934-08-29 1936-03-25 John Adolphus Zublin Improvements in drill bits for drilling oil wells
US2507776A (en) * 1946-09-03 1950-05-16 Reed Roller Bit Co Drill bit
US2676790A (en) * 1948-11-10 1954-04-27 Turner Bits Inc Rock bit
US3112804A (en) * 1962-02-23 1963-12-03 Reed Roller Bit Co Bearing structure
FR1397153A (fr) * 1963-07-26 1965-04-30 Inst Francais Du Petrole Outils de forages tricônes utilisables aux grandes vitesses de rotation
US3480341A (en) * 1967-10-16 1969-11-25 Murphy Ind Inc G W Friction bearing

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1905079A (en) * 1931-11-21 1933-04-25 Hughes Tool Co Rolle cutter retaining device
US1989261A (en) * 1932-12-01 1935-01-29 Reed Roller Bit Co Roller bit
US2690935A (en) * 1949-07-13 1954-10-05 George E Failing Company Drill bit
NL175660C (nl) * 1973-12-10 1984-12-03 Skf Ind Trading & Dev Lagereenheid.
NL179154C (nl) * 1975-02-17 1986-07-16 Skf Ind Trading & Dev Rotary boorkop.
SE7703810L (sv) * 1977-04-01 1978-10-02 Sandvik Ab Tetningsanordning vid rullborrkronor

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2011084A (en) * 1932-06-20 1935-08-13 Hughes Tool Co Mounting for drill cutters
GB444696A (en) * 1934-08-29 1936-03-25 John Adolphus Zublin Improvements in drill bits for drilling oil wells
US2025260A (en) * 1934-10-26 1935-12-24 John A Zublin Cutter for drill bits
US2507776A (en) * 1946-09-03 1950-05-16 Reed Roller Bit Co Drill bit
US2676790A (en) * 1948-11-10 1954-04-27 Turner Bits Inc Rock bit
US3112804A (en) * 1962-02-23 1963-12-03 Reed Roller Bit Co Bearing structure
FR1397153A (fr) * 1963-07-26 1965-04-30 Inst Francais Du Petrole Outils de forages tricônes utilisables aux grandes vitesses de rotation
US3480341A (en) * 1967-10-16 1969-11-25 Murphy Ind Inc G W Friction bearing

Also Published As

Publication number Publication date
US4284310A (en) 1981-08-18
DE7826323U1 (de) 1978-12-14

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Legal Events

Date Code Title Description
ST Notification of lapse