SE440253B - Rullborrkrona med koniskt axialrullager - Google Patents
Rullborrkrona med koniskt axialrullagerInfo
- Publication number
- SE440253B SE440253B SE7907113A SE7907113A SE440253B SE 440253 B SE440253 B SE 440253B SE 7907113 A SE7907113 A SE 7907113A SE 7907113 A SE7907113 A SE 7907113A SE 440253 B SE440253 B SE 440253B
- Authority
- SE
- Sweden
- Prior art keywords
- roller
- conical
- bearing
- drill bit
- pin
- Prior art date
Links
- 238000005520 cutting process Methods 0.000 claims description 23
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000010276 construction Methods 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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
- F16C19/00—Bearings with rolling contact, for exclusively rotary movement
- F16C19/22—Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings
- F16C19/30—Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings for axial load mainly
-
- 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
- F16C19/22—Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings
- F16C19/34—Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings for both radial and axial load
- F16C19/38—Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings for both radial and axial load with two or more rows of rollers
- F16C19/381—Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings for both radial and axial load with two or more rows of rollers with at least one row for radial load in combination with at least one row for axial load
-
- 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
- F16C19/54—Systems consisting of a plurality of bearings with rolling friction
- F16C19/545—Systems comprising at least one rolling bearing for radial load in combination with at least one rolling bearing for axial load
-
- 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)
- Rolling Contact Bearings (AREA)
- Earth Drilling (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19787828401U DE7828401U1 (de) | 1978-09-23 | 1978-09-23 | Rollenmeissel mit mehreren schneidrollen |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| SE7907113L SE7907113L (sv) | 1980-03-24 |
| SE440253B true SE440253B (sv) | 1985-07-22 |
Family
ID=6695410
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE7907113A SE440253B (sv) | 1978-09-23 | 1979-08-27 | Rullborrkrona med koniskt axialrullager |
Country Status (14)
| Country | Link |
|---|---|
| US (1) | US4255000A (it) |
| AU (1) | AU525444B2 (it) |
| BR (1) | BR7906060A (it) |
| CA (1) | CA1111832A (it) |
| DE (1) | DE7828401U1 (it) |
| FR (1) | FR2436871A1 (it) |
| GB (1) | GB2030619B (it) |
| IE (1) | IE48841B1 (it) |
| IT (2) | IT7922223V0 (it) |
| MX (1) | MX148248A (it) |
| NL (1) | NL7906899A (it) |
| PL (1) | PL123561B1 (it) |
| SE (1) | SE440253B (it) |
| ZA (1) | ZA793731B (it) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1993012320A1 (en) * | 1991-12-12 | 1993-06-24 | Sandvik Ab | Cutter of a boring head, hub for the cutter and method of manufacturing such a hub |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4793719A (en) * | 1987-11-18 | 1988-12-27 | Smith International, Inc. | Precision roller bearing rock bits |
| JP2001295576A (ja) * | 2000-04-12 | 2001-10-26 | Japan National Oil Corp | ビット装置 |
| DE102007013482A1 (de) | 2007-03-21 | 2008-10-09 | Ab Skf | Kegelrollenlager |
| WO2008141138A2 (en) * | 2007-05-10 | 2008-11-20 | The Timken Company | Cutting head bearing arrangement for blast hole drilling machine |
| RU2465427C1 (ru) * | 2011-09-26 | 2012-10-27 | Николай Митрофанович Панин | Опора шарошечного долота |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2673128A (en) * | 1949-10-08 | 1954-03-23 | Clarence E Reed | Earth-boring drill |
| US2664322A (en) * | 1950-10-09 | 1953-12-29 | Reed Roller Bit Co | Roller bit |
| US3656764A (en) * | 1970-08-31 | 1972-04-18 | William P Robinson | Drill bit seal assembly |
-
1978
- 1978-09-23 DE DE19787828401U patent/DE7828401U1/de not_active Expired
-
1979
- 1979-07-20 ZA ZA00793731A patent/ZA793731B/xx unknown
- 1979-07-20 US US06/059,452 patent/US4255000A/en not_active Expired - Lifetime
- 1979-07-24 AU AU49186/79A patent/AU525444B2/en not_active Ceased
- 1979-07-26 GB GB7926139A patent/GB2030619B/en not_active Expired
- 1979-07-27 IT IT7922223U patent/IT7922223V0/it unknown
- 1979-07-27 IT IT7924725A patent/IT1212367B/it active
- 1979-08-14 PL PL1979217749A patent/PL123561B1/pl unknown
- 1979-08-27 SE SE7907113A patent/SE440253B/sv not_active IP Right Cessation
- 1979-09-17 NL NL7906899A patent/NL7906899A/nl not_active Application Discontinuation
- 1979-09-19 MX MX179339A patent/MX148248A/es unknown
- 1979-09-19 CA CA335,945A patent/CA1111832A/en not_active Expired
- 1979-09-20 FR FR7923446A patent/FR2436871A1/fr active Granted
- 1979-09-21 IE IE1798/79A patent/IE48841B1/en unknown
- 1979-09-21 BR BR7906060A patent/BR7906060A/pt unknown
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1993012320A1 (en) * | 1991-12-12 | 1993-06-24 | Sandvik Ab | Cutter of a boring head, hub for the cutter and method of manufacturing such a hub |
Also Published As
| Publication number | Publication date |
|---|---|
| FR2436871B1 (it) | 1983-12-09 |
| MX148248A (es) | 1983-03-30 |
| DE7828401U1 (de) | 1979-01-04 |
| IT7922223V0 (it) | 1979-07-27 |
| IT7924725A0 (it) | 1979-07-27 |
| IE48841B1 (en) | 1985-05-29 |
| ZA793731B (en) | 1980-07-30 |
| CA1111832A (en) | 1981-11-03 |
| NL7906899A (nl) | 1980-03-25 |
| GB2030619B (en) | 1982-08-11 |
| IT1212367B (it) | 1989-11-22 |
| AU525444B2 (en) | 1982-11-04 |
| FR2436871A1 (fr) | 1980-04-18 |
| IE791798L (en) | 1980-03-23 |
| US4255000A (en) | 1981-03-10 |
| PL123561B1 (en) | 1982-10-30 |
| GB2030619A (en) | 1980-04-10 |
| SE7907113L (sv) | 1980-03-24 |
| PL217749A1 (it) | 1980-05-19 |
| BR7906060A (pt) | 1980-05-27 |
| AU4918679A (en) | 1980-04-03 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| NUG | Patent has lapsed |
Ref document number: 7907113-0 Effective date: 19920306 Format of ref document f/p: F |