CN102287448A - Bearing cage - Google Patents
Bearing cage Download PDFInfo
- Publication number
- CN102287448A CN102287448A CN2011101557663A CN201110155766A CN102287448A CN 102287448 A CN102287448 A CN 102287448A CN 2011101557663 A CN2011101557663 A CN 2011101557663A CN 201110155766 A CN201110155766 A CN 201110155766A CN 102287448 A CN102287448 A CN 102287448A
- Authority
- CN
- China
- Prior art keywords
- retainer
- bearing
- rolling
- vertical scrolling
- rolling groove
- 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.)
- Granted
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Classifications
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- 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
- F16C33/4605—Details of interaction of cage and race, e.g. retention or centring
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- 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
- F16C33/4688—Cages for rollers or needles with rolling elements with smaller diameter than the load carrying rollers, e.g. cages with counter-rotating spacers
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- 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
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rolling Contact Bearings (AREA)
Abstract
The invention belongs to the cage field, and in particular relates to a bearing cage. The cage comprises a cage body and a plurality of plumb rolling elements, wherein, the inner and outer arc surfaces of the cage body are respectively provided with the plurality of plumb rolling elements which are distributed at intervals and are in rolling contact with the inner and outer rings of a bearing correspondingly. The bearing cage provided by the invention has the beneficial effects that both contact areas of the cage with the corresponding inner and outer rings of the bearing can be greatly decreased, therefore the frictional drag against the working bearing can be reduced effectively; thus not only can the noise of the working bearing be abated, but also the service life of the bearing can be prolonged correspondingly.
Description
[technical field]
The present invention relates to field of bearings, especially relate to a kind of retainer that can in the bearing operation process, reduce friction between retainer and the bearing enclose.
[background technique]
At present, roller pocket hole in the existing bearing retainer mostly is straight wall type, with reference to accompanying drawing 1, because the pocket hole of straight wall type can't make the roller in the pocket hole accurately locate in bearing operation, thereby it can not guarantee the retainer center position between the roller surface of bearing enclose all the time when bearing operation, with reference to accompanying drawing 2, the retainer that promptly has straight wall type pocket hole can not effectively avoid retainer and bearing inner race or contact outer ring between corresponding with it to fit; In this case, because existing bearing retainer self is heavier, and the intrados of retainer and outer arced surface are respectively and bearing inner race corresponding with it and bearing outer ring comprehensive engagement, be that retainer is to contact in a kind of mode of lubricating that is unfavorable for the inside and outside circle of bearing, so not only increased bearing frictional force in the running because of the rigid friction between retainer and the inside and outside circle of bearing, make all corresponding raising of running resistance of bearing with noise, also very easily cause the damage retainer, reduce the bearing integral phenomenon generation in working life.
[summary of the invention]
In order to overcome the deficiency in the background technique, the invention discloses a kind of retainer, described retainer can reduce retainer and corresponding bearing inner race or the area of contact between the outer ring significantly, and effectively reduce the friction of bearing in operation process, thereby not only reduced the noise of bearing operation, also corresponding working life of improving bearing.
To achieve these goals, the present invention adopts following technological scheme:
A kind of retainer, described retainer comprise retainer body and a plurality of vertical scrolling body; Be interval with a plurality of vertical scrolling bodies of rolling and contact with corresponding bearing inner race and outer ring of being used on described retainer body intrados and the outer arced surface respectively.
Described retainer, described retainer body intrados and the outer arced surface correspondence position between per two pocket holes is respectively equipped with a perpendicular rolling groove, and all corresponding card is placed with the vertical scrolling body that an outer surface is given prominence to the corresponding cambered surface of retainer body in each perpendicular rolling groove; The width of rebate of described perpendicular rolling groove is less than the diameter of vertical scrolling body.
Described retainer, the described perpendicular rolling groove that is positioned on retainer body intrados and the outer arced surface are at interval and are provided with.
Described retainer, plane or the position of lower plane between two pocket holes are equipped with and are used for and the roll horizontal rolling body of contact of corresponding bearing inner race roller surface or outer ring raceway face on the described retainer body, and the horizontal rolling external surface on plane is not more than the diameter of roller in the retainer body pocket hole on the retainer body to the distance between the horizontal rolling external surface of retainer body lower plane; Described horizontal rolling body and vertical scrolling body are for being symmetrical arranged.
Described retainer, plane and the lower plane correspondence position between per two pocket holes is respectively equipped with a flat rolling groove on the described retainer body, and all corresponding card is placed with the horizontal rolling body that an outer surface is given prominence to retainer body respective planes in each flat rolling groove; The width of rebate of described flat rolling groove is less than the diameter of horizontal rolling body.
Described retainer, the described flat rolling groove on plane and lower plane that is positioned on the retainer body is at interval and is provided with.
Described retainer, described horizontal rolling body and vertical scrolling body serve as to form at interval to be staggered with a pocket hole.
Described retainer, described horizontal rolling body and vertical scrolling body are made by the material that is higher than retainer body wear resistance.
Because adopt aforesaid technological scheme, the present invention has following beneficial effect:
Described retainer comes and the inside and outside circle contact of corresponding bearing by the rolling element outer surface of outstanding retainer body respective face, therefore reduce the area of contact between retainer body and the inside and outside circle of corresponding bearing significantly, thereby in the bearing operation process, effectively reduced the friction between retainer and the inside and outside circle; In addition, the bearing that is assembled by described retainer, owing to can also store lubricant grease in per two spaces between the rolling element of retainer body one side together, this can play the effect of continuous lubrication to the running of bearing, thereby make the running of bearing more steady, vibrating noise is lower, and then also corresponding working life of improving bearing.
[description of drawings]
Fig. 1 is the schematic representation of present retainer;
Fig. 2 is the assembling schematic representation of Fig. 1 and bearing inner race and outer ring;
Fig. 3 is a schematic representation of the present invention;
Fig. 4 is the retainer body schematic representation that intrados and outer arced surface are provided with perpendicular rolling groove;
Fig. 5 is second kind of structural representation of the present invention;
Fig. 6 is the third structural representation of the present invention.
Among the figure: 1, retainer body; 2, pocket hole; 3, perpendicular rolling groove; 4, vertical scrolling body; 5, horizontal rolling body; 6, roller; 7, outer ring; 8, inner ring.
[embodiment]
Can explain the present invention in more detail by the following examples, disclose purpose of the present invention and be intended to protect all changes and improvements in the scope of the invention that the present invention is not limited to the following examples;
3～4 described retainers in conjunction with the accompanying drawings, described retainer comprises retainer body 1 and a plurality of vertical scrolling body 4; Be interval with a plurality of vertical scrolling bodies 4 of rolling and contact with corresponding bearing inner race 8 and outer ring 7 of being used on described retainer body 1 intrados and the outer arced surface respectively, be that retainer body 1 is by setting within it, in the vertical scrolling body 4 and bearing of outer arced surface, the corresponding cambered surface of outer ring is rolled and is contacted, since described retainer by present whole in, in outer arced surface and the bearing, the corresponding cambered surface contact in outer ring has become by in the retainer, in the vertical scrolling body 4 and bearing on the outer arced surface, the corresponding cambered surface contact of outer ring, thereby reduced significantly in retainer and the corresponding bearing, area of contact between the outer ring, also reached in the bearing operation process effectively reduce retainer with in, the purpose of friction between the outer ring; For the inside and outside cambered surface at retainer body 1 also can corresponding reinforcement retainer body 1 when vertical scrolling body 4 is set bulk strength, described retainer body 1 intrados and the outer arced surface correspondence position between per two pocket holes 2 is respectively equipped with a perpendicular rolling groove 3, and all corresponding card is placed with the vertical scrolling body 4 of the outstanding retainer body 1 corresponding cambered surface of an outer surface in each perpendicular rolling groove 3, and promptly described retainer body 1 can contact with the corresponding cambered surface of the inside and outside circle of bearing by the outer surface of vertical scrolling body 4 outstanding retainer body 1 corresponding cambered surfaces; The width of rebate of the perpendicular rolling groove 3 on the described retainer body 1 inside and outside cambered surface is less than the diameter of vertical scrolling body 4, thereby after in perpendicular rolling groove 3, putting into vertical scrolling body 4, only need to erect the sealed at both ends of rolling groove 3, just can reach the purpose that vertical scrolling body 4 is rolled and can not come off out in perpendicular rolling groove 3;
In conjunction with the accompanying drawings 5, for effectively reducing the area of contact between retainer and the inside and outside circle of bearing, the described perpendicular rolling groove 3 that is positioned on retainer body 1 intrados and the outer arced surface is at interval and is provided with, and promptly the position between per two perpendicular rolling grooves 3 of retainer body 1 intrados or outer arced surface is all to there being two pocket holes 2;
Plane or the position of lower plane between two pocket holes 2 are equipped with the horizontal rolling body 5 that is used for corresponding bearing inner race 8 roller surfaces or bearing outer ring 7 roller surfaces rolling contact on the described retainer body 1, thereby not only reduced the inside and outside cambered surface of retainer body 1 and the area of contact between the corresponding cambered surface of the inside and outside circle of bearing, also effectively reduced simultaneously the area of contact between the roller surface of the upper and lower plane of retainer body 1 and the inside and outside circle of bearing; For the upper and lower plane at retainer body 1 also can corresponding reinforcement retainer body 1 when horizontal rolling body 5 is set bulk strength, plane and the lower plane correspondence position between per two pocket holes 2 is respectively equipped with a flat rolling groove on the described retainer body 1, and all corresponding card is placed with the horizontal rolling body 5 that an outer surface is given prominence to retainer body 1 respective planes in each flat rolling groove; Simultaneously, the width of rebate of flat rolling groove that is positioned at retainer body 1 upper and lower plane is less than the diameter of horizontal rolling body 5, thereby after in flat rolling groove, putting into horizontal rolling body 5, only need sealed at both ends with flat rolling groove, just can reach the purpose that horizontal rolling body 5 is rolled and can not come off out in flat rolling groove;
For causing the roller 6 in the retainer body 1 pocket hole 2, the horizontal rolling body 5 of avoiding retainer body 1 upper and lower plane rolls unusually, have influence on the running of bearing, horizontal rolling body 5 outer surfaces on plane to the distance between horizontal rolling body 5 outer surfaces of retainer body 1 lower plane is not more than the diameter of roller 6 in the retainer body 1 pocket hole 2 on the retainer body 1, thereby the roller 6 in the described retainer pocket hole 2 can be rolled between the roller surface of the inside and outside circle of bearing normally; For guaranteeing the stationarity of bearing in operation process, described horizontal rolling body 5 and vertical scrolling body 4 are for being symmetrical arranged; Be further to reduce the area of contact between retainer and the inside and outside circle of bearing, can the flat rolling groove on the plane and lower plane be setting at interval on the retainer body 1 with being positioned at; For making described retainer can further guarantee the stationarity of bearing in operation process, can make a plurality of horizontal rolling bodies 5 that are positioned at plane and lower plane on the retainer body 1 and a plurality of vertical scrolling bodies 4 that are positioned at retainer intrados and outer arced surface serve as that formation is staggered at interval with a pocket hole 2 each other, with reference to accompanying drawing 6;
When implementing retainer of the present invention, only need described retainer is promptly can be assembled into complete bearing with the corresponding combination of the corresponding inside and outside circle of bearing.
Carefully not stating in the above content is prior art partly, does not state so run business into particular one.
Claims (8)
1. retainer, it is characterized in that: described retainer comprises retainer body (1) and a plurality of vertical scrolling body (4); Be interval with a plurality of vertical scrolling bodies (4) of rolling and contact with corresponding bearing inner race (8) and outer ring (7) of being used on described retainer body (1) intrados and the outer arced surface respectively.
2. retainer according to claim 1, it is characterized in that: the position that described retainer body (1) intrados and outer arced surface correspondence are positioned between per two pocket holes (2) is respectively equipped with a perpendicular rolling groove (3), and all corresponding card is placed with the vertical scrolling body (4) that an outer surface is given prominence to the corresponding cambered surface of retainer body (1) in each perpendicular rolling groove (3); The width of rebate of described perpendicular rolling groove (3) is less than the diameter of vertical scrolling body (4).
3. retainer according to claim 1 and 2 is characterized in that: the described perpendicular rolling groove (3) that is positioned on retainer body (1) intrados and the outer arced surface is at interval and is provided with.
4. retainer according to claim 1, it is characterized in that: the position that last plane of described retainer body (1) or lower plane are positioned between two pocket holes (2) is equipped with the horizontal rolling body (5) that is used for corresponding bearing inner race (8) roller surface or outer ring (7) roller surface rolling contact, and horizontal rolling body (5) outer surface on the last plane of retainer body (5) is not more than the diameter of the interior roller in retainer body (1) pocket hole (2) (6) to the distance between horizontal rolling body (5) outer surface of retainer body (1) lower plane; Described horizontal rolling body (5) and vertical scrolling body (4) are for being symmetrical arranged.
5. retainer according to claim 4, it is characterized in that: described retainer body (1) is gone up the position that plane and lower plane correspondence be positioned between per two pocket holes (2) and is respectively equipped with a flat rolling groove, and all corresponding card is placed with the horizontal rolling body (5) of outstanding retainer body (1) respective planes of an outer surface in each flat rolling groove; The width of rebate of described flat rolling groove is less than the diameter of horizontal rolling body (5).
6. according to claim 4 or 5 described retainers, it is characterized in that: the described flat rolling groove that is positioned at last plane of retainer body (1) and lower plane is at interval and is provided with.
7. retainer according to claim 4 is characterized in that: described horizontal rolling body (5) serves as to form at interval to be staggered with vertical scrolling body (4) with a pocket hole.
8. retainer according to claim 4 is characterized in that: described horizontal rolling body (5) and vertical scrolling body (4) are made by the material that is higher than retainer body (1) wear resistance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110155766 CN102287448B (en) | 2011-06-10 | 2011-06-10 | Bearing cage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110155766 CN102287448B (en) | 2011-06-10 | 2011-06-10 | Bearing cage |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102287448A true CN102287448A (en) | 2011-12-21 |
| CN102287448B CN102287448B (en) | 2013-02-27 |
Family
ID=45334120
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110155766 Expired - Fee Related CN102287448B (en) | 2011-06-10 | 2011-06-10 | Bearing cage |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102287448B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106090016A (en) * | 2016-08-17 | 2016-11-09 | 北京隆轩橡塑有限公司 | A kind of ball guidance type retainer and the bearing with this retainer |
| CN109210074A (en) * | 2017-07-05 | 2019-01-15 | 斯凯孚公司 | Sectional type retainer for rolling bearing |
| CN113090663A (en) * | 2021-04-01 | 2021-07-09 | 山东金帝精密机械科技股份有限公司 | Bearing retainer |
| CN114483776A (en) * | 2022-01-28 | 2022-05-13 | 中国铁建重工集团股份有限公司 | Main bearing of heading machine and assembling method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US698351A (en) * | 1901-03-20 | 1902-04-22 | Mossberg & Granville Mfg Company | Roller-bearing. |
| EP0524857A1 (en) * | 1991-07-26 | 1993-01-27 | S.N.R. Roulements | Combined radial axial bearing |
| JP2006258130A (en) * | 2005-03-15 | 2006-09-28 | Nsk Ltd | Cage for thrust cylindrical roller bearing |
| JP2006329313A (en) * | 2005-05-26 | 2006-12-07 | Jtekt Corp | Roller retainer and combined bearing equipped with the same |
| CN101058252A (en) * | 2006-04-20 | 2007-10-24 | 株式会社金阳社 | Rolling bearing of oscillation roller and oscillation method of roller |
-
2011
- 2011-06-10 CN CN 201110155766 patent/CN102287448B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US698351A (en) * | 1901-03-20 | 1902-04-22 | Mossberg & Granville Mfg Company | Roller-bearing. |
| EP0524857A1 (en) * | 1991-07-26 | 1993-01-27 | S.N.R. Roulements | Combined radial axial bearing |
| JP2006258130A (en) * | 2005-03-15 | 2006-09-28 | Nsk Ltd | Cage for thrust cylindrical roller bearing |
| JP2006329313A (en) * | 2005-05-26 | 2006-12-07 | Jtekt Corp | Roller retainer and combined bearing equipped with the same |
| CN101058252A (en) * | 2006-04-20 | 2007-10-24 | 株式会社金阳社 | Rolling bearing of oscillation roller and oscillation method of roller |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106090016A (en) * | 2016-08-17 | 2016-11-09 | 北京隆轩橡塑有限公司 | A kind of ball guidance type retainer and the bearing with this retainer |
| CN109210074A (en) * | 2017-07-05 | 2019-01-15 | 斯凯孚公司 | Sectional type retainer for rolling bearing |
| CN113090663A (en) * | 2021-04-01 | 2021-07-09 | 山东金帝精密机械科技股份有限公司 | Bearing retainer |
| CN113090663B (en) * | 2021-04-01 | 2021-12-10 | 山东金帝精密机械科技股份有限公司 | Bearing retainer |
| CN114483776A (en) * | 2022-01-28 | 2022-05-13 | 中国铁建重工集团股份有限公司 | Main bearing of heading machine and assembling method thereof |
| CN114483776B (en) * | 2022-01-28 | 2023-10-24 | 中国铁建重工集团股份有限公司 | Main bearing of heading machine and assembly method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102287448B (en) | 2013-02-27 |
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|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130227 Termination date: 20130610 |