WO2005116470A1 - 自動調心ころ軸受 - Google Patents
自動調心ころ軸受 Download PDFInfo
- Publication number
- WO2005116470A1 WO2005116470A1 PCT/JP2005/007791 JP2005007791W WO2005116470A1 WO 2005116470 A1 WO2005116470 A1 WO 2005116470A1 JP 2005007791 W JP2005007791 W JP 2005007791W WO 2005116470 A1 WO2005116470 A1 WO 2005116470A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- roller
- small
- rollers
- flange portion
- diameter flange
- Prior art date
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
- F16C33/30—Parts of ball or roller bearings
- F16C33/46—Cages for rollers or needles
- F16C33/467—Details of individual pockets, e.g. shape or roller retaining means
- F16C33/4682—Details of individual pockets, e.g. shape or roller retaining means of the end walls, e.g. interaction with the end faces of the 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
- F16C23/00—Bearings for exclusively rotary movement adjustable for aligning or positioning
- F16C23/06—Ball or roller bearings
- F16C23/08—Ball or roller bearings self-adjusting
- F16C23/082—Ball or roller bearings self-adjusting by means of at least one substantially spherical surface
- F16C23/086—Ball or roller bearings self-adjusting by means of at least one substantially spherical surface forming a track for rolling elements
-
- 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
- F16C33/30—Parts of ball or roller bearings
- F16C33/46—Cages for rollers or needles
- F16C33/54—Cages for rollers or needles made from wire, strips, or sheet metal
- F16C33/542—Cages for rollers or needles made from wire, strips, or sheet metal made from sheet metal
- F16C33/543—Cages for rollers or needles made from wire, strips, or sheet metal made from sheet metal from a single part
-
- 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
- F16C43/08—Placing rolling bodies in cages or bearings by deforming the cages or the races
-
- 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
-
- 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
- F16C33/30—Parts of ball or roller bearings
- F16C33/46—Cages for rollers or needles
- F16C33/48—Cages for rollers or needles for multiple rows of rollers or needles
- F16C33/485—Cages for rollers or needles for multiple rows of rollers or needles with two or more juxtaposed cages joined together or interacting with each other
Definitions
- the present invention relates to an improvement of a retainer of a spherical roller bearing used for general industrial machines and the like.
- Spherical roller bearings can prevent the occurrence of abnormal loads and increase the radial load capacity because the contact state of the rolling elements does not change even if the outer ring or inner ring is tilted due to mounting errors or impact loads. There are advantages that can be taken. For this reason, spherical roller bearings are widely used as various roll neck bearings for papermaking machines, vehicle bearings, and various industrial bearings.
- the self-aligning roller bearing includes an inner ring 1 having a double-row race la and an outer race 2 having a double-row integrated spherical race 2a.
- a double-row spherical roller 3 as a rolling element is provided between the and the roller via a retainer 4 so as to be rollable in the circumferential direction.
- the retainer 4 is integrally formed by press molding or the like, and has an annular portion 6 having a socket 5 for accommodating the spherical roller 3, and a head side of the spherical roller 3 of the annular portion 6.
- An outward flange portion 7a extending radially outward to hold the head of the spherical roller 3; and a claw projecting from the outward flange portion 7a and hooking on the head of the spherical roller 3.
- a portion 8 and a small-diameter flange portion 7b (see FIG. 8) disposed on the tail side of the spherical roller 3 of the annular portion 6 (see, for example, Patent Documents 1 and 2).
- the claw portion 8 protruding from the outward flange portion 7a is inserted into the cage 4 and then hooked into the concave portion 3a formed on the head of the spherical roller 3 after being inserted.
- the force S which is to prevent the spherical roller 3 from coming off the cage 4, it is necessary to get over the claw 8 as shown in FIG. 9. Therefore, the spherical roller 3 is inserted by using a dedicated insertion device such as the cylinder device 9 or a jig.
- the inner surface 5 a of the pocket 5 on the small-diameter flange portion 7 b side and the claw portion 8 are formed. If the spherical rollers 3 can be inserted from the direction C perpendicular to the shortest distance direction line B, the work of inserting the spherical rollers 3 will be easy, but with the current cage, Since the point A1 where the inner side surface 5a of the small-diameter flange portion 7b side of the pocket 5 intersects and the point A2 where the claw portion 8 intersects are located at approximately the same position with respect to the insertion direction of the spherical roller 3, the optimum angle is obtained.
- the spherical roller 3 is inserted first from the small-diameter flange portion 7b side (roller tail side) at an optimum angle + the angle, and the small-diameter flange The spherical roller 3 is inserted into the retainer 4 while the claw portion 8 is being deformed while rotating the spherical roller 3 from the point A1 on the inner side surface 5a of the portion 7b side.
- the direction line D in FIGS. 9 and 10 indicates the direction of expansion and contraction of the cylinder device 9.
- the claw portion 8 may be plastically deformed. In such a case, the claw portion 8 is inserted after the spherical roller 3 is inserted. There is a possibility that the spherical roller 3 may come off from the retainer 4 because the part 8 does not catch on the concave portion 3a of the head of the spherical roller 3
- the present invention has been made to solve such inconvenience, and To provide a self-aligning roller bearing capable of easily inserting a roller into a cage with an optimum insertion angle in a stable posture in a stable posture, thereby preventing roller insertion failure and roller separation. With the goal.
- the invention according to claim 1 is configured such that double-row rollers as rolling elements can be rolled in the circumferential direction between the inner ring and the outer ring via respective retainers.
- An annular portion provided with the cage and having a pocket for accommodating the roller; and a head of the roller of the annular portion.
- An outward flange portion extending radially outward on the side and holding a head of the roller; a claw portion projecting from the outward flange portion and engaging with the head of the roller;
- a small-diameter flange portion disposed on the tail side of the roller of the roller portion, wherein the roller is substantially parallel to the outer peripheral side of the small-diameter flange portion of the cage in the direction of the contact angle of the roller.
- a roller insertion guide portion is provided in which a guide surface is arranged on the small-diameter flange portion side of the pocket.
- FIG. 1 is a cross-sectional view of a main part for describing a self-aligning roller bearing which is an example of an embodiment of the present invention.
- FIG. 2 is a view of the spherical roller bearing of FIG. 1 as viewed from an axial direction.
- FIG. 3 is a perspective view of a small-diameter flange portion provided with a roller insertion guide portion.
- FIG. 4 is a cross-sectional view for explaining a roller insertion method.
- FIG. 5 is a cross-sectional view for explaining a retainer of a self-aligning roller bearing according to another embodiment of the present invention.
- FIG. 6 is a sectional view of a main part for describing a conventional spherical roller bearing.
- FIG. 7 is a view of the self-aligning roller bearing of FIG. 6 viewed from an axial direction.
- FIG. 8 is a perspective view of a small-diameter flange portion.
- FIG. 9 is a cross-sectional view for explaining a conventional roller insertion method.
- FIG. 10 is a cross-sectional view for explaining a conventional roller insertion method.
- FIG. 1 is a cross-sectional view of a main part for describing a self-aligning roller bearing which is an example of an embodiment of the present invention
- FIG. 2 is a view of the self-aligning roller bearing of FIG. 1 viewed from an axial direction
- FIG. FIG. 4 is a perspective view of a small-diameter flange portion provided with a roller insertion guide portion
- FIG. 4 is a cross-sectional view for explaining a roller insertion method
- FIG. 5 shows a retainer of a self-aligning roller bearing according to another embodiment of the present invention.
- FIG. 4 is a cross-sectional view for explaining.
- only the retainer is different from the self-aligning roller bearing described in FIGS. 6 and 7. The description thereof will be omitted, and only the cage will be described.
- a cage 10 incorporated in a self-aligning roller bearing cage as an example of an embodiment of the present invention is formed integrally by press molding or the like, and has a spherical surface as shown in FIGS.
- An annular portion 12 having a pocket 11 for accommodating the roller 3, and an outward flange extending radially outward on the head side of the spherical roller 3 of the annular portion 12 and holding a head of the spherical roller 3.
- Part 13 a claw part 14 protruding from the outward flange part 13 and engaging with the head of the spherical roller 3, and a small-diameter flange part 15 disposed on the tail side of the spherical roller 3 of the annular part 12.
- a roller insertion guide portion 20 is provided on the outer peripheral side of the small-diameter flange portion 15 of the retainer 10, and the roller insertion guide portion 20 has a guide substantially parallel to the contact angle direction of the spherical roller 3.
- the surface 21 is arranged along the inner surface 11a on the side of the small-diameter flange 15 of the pocket 11.
- the roller insertion guide portion 20 is formed by bending the small-diameter flange portion 15 so as to be curved in an arc shape outward in the radial direction of the retainer 10 as shown in FIGS. 2 and 3. I have.
- the cage 10 is provided on the outer peripheral side of the small-diameter flange portion 15. Since the guide surface 21 substantially parallel to the contact angle direction of the spherical roller 3 is arranged on the roller insertion guide portion 20 along the inner surface 11a of the small-diameter flange 15 of the pocket 11, see FIG. Before the point in the insertion direction of the spherical roller 3 comes in contact with the point A1 where the inner surface 11a of the small diameter flange portion 15 side of the pocket 11 intersects the shortest distance direction line B with the point A2 where the claw portion 14 intersects In addition, the posture of the spherical roller 3 can be controlled in a stable state by the guide surface 21 of the roller insertion guide portion 20.
- the roller insertion guide portion 20 since the small diameter flange portion 15 is formed by kneading to form the roller insertion guide portion 20, the roller can be inserted only by changing the shape of the current state retainer without increasing the number of parts.
- the guide portion 20 can be easily formed.
- the self-aligning roller bearing, inner ring, outer ring, roller, cage, pocket, annular portion, outward flange portion, claw portion, small-diameter flange portion, guide surface, inner surface of the pocket on the small-diameter flange portion side of the present invention The configuration of the roller insertion guide portion and the like is not limited to the above embodiment, and can be appropriately changed without departing from the gist of the present invention.
- roller insertion guide portion 20 is formed by caulking the small-diameter flange portion 15 is taken as an example.
- the roller insertion guide portion 20 may be formed integrally with the retainer by processing.
- the small-diameter flange portion 7b may be formed by crushing and kneading.
- a roller insertion guide portion is provided on the outer peripheral side of the small-diameter flange portion of the cage, in which a guide surface substantially parallel to the contact angle direction of the roller is arranged on the small-diameter flange portion side of the pocket. Therefore, the rollers can be easily inserted into the retainer at a substantially optimum insertion angle in a stable posture, thereby preventing roller insertion failure and roller separation.
- the small-diameter flange portion is swaged to form the roller insertion guide portion.
- the roller insertion guide can be easily formed only by changing the shape of the existing cage without increasing the number of parts.
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rolling Contact Bearings (AREA)
- Support Of The Bearing (AREA)
- Mounting Of Bearings Or Others (AREA)
Abstract
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE112005001076T DE112005001076T5 (de) | 2004-05-31 | 2005-04-25 | Selbsteinstellendes Rollenlager |
US10/584,936 US20080037921A1 (en) | 2004-05-31 | 2005-04-25 | Self-Aligning Roller Bearing |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004-161602 | 2004-05-31 | ||
JP2004161602A JP2005344742A (ja) | 2004-05-31 | 2004-05-31 | 自動調心ころ軸受 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2005116470A1 true WO2005116470A1 (ja) | 2005-12-08 |
Family
ID=35450958
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2005/007791 WO2005116470A1 (ja) | 2004-05-31 | 2005-04-25 | 自動調心ころ軸受 |
Country Status (5)
Country | Link |
---|---|
US (1) | US20080037921A1 (ja) |
JP (1) | JP2005344742A (ja) |
CN (1) | CN1910378A (ja) |
DE (1) | DE112005001076T5 (ja) |
WO (1) | WO2005116470A1 (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20160298687A1 (en) * | 2015-04-09 | 2016-10-13 | Aktiebolaget Skf | Bearing and bearing arrangement |
WO2023202790A1 (en) * | 2022-04-19 | 2023-10-26 | Aktiebolaget Skf | Self-aligning roller bearing cage |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9033585B2 (en) * | 2013-05-07 | 2015-05-19 | Baldor Electric Company | Spherical roller bearing cage with inward flange turned radially outward |
CN104314985B (zh) * | 2014-09-26 | 2017-06-06 | 山东凯美瑞轴承科技有限公司 | 一种风电用满装球面滚子轴承 |
US10197094B2 (en) * | 2014-12-19 | 2019-02-05 | Aktiebolaget Skf | Double-row spherical roller bearing |
JP2018168988A (ja) * | 2017-03-30 | 2018-11-01 | Ntn株式会社 | 自動調心ころ軸受 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59113517U (ja) * | 1983-01-21 | 1984-07-31 | 日本精工株式会社 | 複列自動調心ころ軸受 |
JPS59180015U (ja) * | 1983-05-20 | 1984-12-01 | 日本精工株式会社 | 球面ころ軸受用プラスチツク保持器 |
JPH0517229U (ja) * | 1991-08-14 | 1993-03-05 | 光洋精工株式会社 | 円錐ころ軸受用のプレス保持器 |
JPH05157116A (ja) * | 1991-12-05 | 1993-06-22 | Nippon Seiko Kk | 保持器付自動調心ころ軸受 |
JPH1162984A (ja) * | 1997-08-28 | 1999-03-05 | Nippon Seiko Kk | ころ軸受用保持器 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1575512A1 (de) * | 1966-07-27 | 1970-01-29 | Kugelfischer G Schaefer & Co | Fensterkaefig aus gepresstem Blech fuer Rollenlager |
CA1228886A (en) * | 1983-01-21 | 1987-11-03 | Nozomu Morinaga | Roller bearing |
DE3728877A1 (de) * | 1987-08-29 | 1989-03-09 | Kugelfischer G Schaefer & Co | Kegelrollenlager |
-
2004
- 2004-05-31 JP JP2004161602A patent/JP2005344742A/ja not_active Withdrawn
-
2005
- 2005-04-25 DE DE112005001076T patent/DE112005001076T5/de not_active Ceased
- 2005-04-25 CN CNA2005800027041A patent/CN1910378A/zh active Pending
- 2005-04-25 US US10/584,936 patent/US20080037921A1/en not_active Abandoned
- 2005-04-25 WO PCT/JP2005/007791 patent/WO2005116470A1/ja active Application Filing
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59113517U (ja) * | 1983-01-21 | 1984-07-31 | 日本精工株式会社 | 複列自動調心ころ軸受 |
JPS59180015U (ja) * | 1983-05-20 | 1984-12-01 | 日本精工株式会社 | 球面ころ軸受用プラスチツク保持器 |
JPH0517229U (ja) * | 1991-08-14 | 1993-03-05 | 光洋精工株式会社 | 円錐ころ軸受用のプレス保持器 |
JPH05157116A (ja) * | 1991-12-05 | 1993-06-22 | Nippon Seiko Kk | 保持器付自動調心ころ軸受 |
JPH1162984A (ja) * | 1997-08-28 | 1999-03-05 | Nippon Seiko Kk | ころ軸受用保持器 |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20160298687A1 (en) * | 2015-04-09 | 2016-10-13 | Aktiebolaget Skf | Bearing and bearing arrangement |
US9863471B2 (en) * | 2015-04-09 | 2018-01-09 | Aktiebolaget Skf | Bearing and bearing arrangement |
WO2023202790A1 (en) * | 2022-04-19 | 2023-10-26 | Aktiebolaget Skf | Self-aligning roller bearing cage |
Also Published As
Publication number | Publication date |
---|---|
US20080037921A1 (en) | 2008-02-14 |
CN1910378A (zh) | 2007-02-07 |
JP2005344742A (ja) | 2005-12-15 |
DE112005001076T5 (de) | 2007-03-22 |
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