CN1475679A - Protectire frame less roller bearing having sealing cover - Google Patents
Protectire frame less roller bearing having sealing cover Download PDFInfo
- Publication number
- CN1475679A CN1475679A CNA021364826A CN02136482A CN1475679A CN 1475679 A CN1475679 A CN 1475679A CN A021364826 A CNA021364826 A CN A021364826A CN 02136482 A CN02136482 A CN 02136482A CN 1475679 A CN1475679 A CN 1475679A
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- China
- Prior art keywords
- roller
- bearing
- interval
- roller bearing
- roller body
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Abstract
A non-holder roller bearing with sealing covers features that on isolating roller is arranged between two adjacent load-bearing rollers of the bearing, and the diameter of isolating roller is less than that of load-bearing roller and is determined by calculation. Its advantages are high efficiency, and long service life.
Description
Technical field
The present invention relates to the bearing that is used for rotating part, especially the no retainer roller bearing of with closure.
Background technique
Typical roller bearing is made up of parts such as inner ring, outer ring, roller body and retainers, and inner ring, outer ring are assembled together with axle journal and bearing saddle bore respectively.Most cases is that inner ring turns round with axle, and the outer ring is motionless; But the outer ring revolution is also arranged, and inner ring is motionless; Or Internal and external cycle is pressed use condition such as different rotating speeds revolution respectively.Roller body is the core parts in the roller bearing, and it makes the sliding friction between the apparent surface become the roller friction.That the shape of roller body has is cylindrical, awl cylindricality, dolioform, spindle etc.The structure of the roller bearing that prior art is used directly contacts between the roller body of this roller bearing as shown in Figure 1 mutually, and the speed of friction is the twice of surface velocity relatively, and heating and wearing and tearing are all very big.Accompanying drawing 2 is a kind of roller bearings that retainer is arranged, and retainer equidistantly distributes roller body and reduces friction and wear between the roller body.But, still existing sliding friction between retainer and the roller body, retainer is because complex structure and fragility are easy to damage.In fact causing main cause that roller bearing lost efficacy at work in advance is exactly that retainer at first damages and causes.Simultaneously, the manufacture cost of this roller holder is very high, and the cost of the roller bearing fender bracket that has is over half up to whole bearing cost.In sum, the roller bearing ubiquity of prior art is shorter working life, defect of high cost.
Summary of the invention
Technical problem to be solved by this invention is: the retainer of the bearing of cancellation prior art, reduce roller and retainer frictional loss, and reduce cost life-saving.
The technical solution adopted for the present invention to solve the technical problems is: adopt a kind of roller separation body, described roller separation body is placed between two rollers of described bearing, make not directly contact of two adjacent load roller bodies 2, to replace the retainer of prior art.The diameter of roller body is less than the diameter of load roller body at interval, and the surface of roller body can be that curve also can be a straight line at interval.The calculating of roller body diameter is calculated as follows at interval, promptly at interval the diameter of roller body with the load roller body behind stress deformation, at interval roller body does not contact with the Internal and external cycle raceway to greatest extent, also to consider the quantity of load roller body simultaneously, the variation of circumferential clearance and combined factors such as the intensity consideration of roller body, load roller body, inner ring and outer ring at interval.Under the identical situation of applying working condition, adopt the roller separation body to compare with traditional retainer, can improve the efficient and the working life of bearing.
The present invention mainly is the improvement to retainer.Therefore, needn't do any change to the equipment of former machining bearing, the process equipment of only acquiring part interval roller body just can be organized the production of new bearing, so the economic benefit that should invent is very considerable.Roller body is simple in structure and firm, not fragile at interval, and the circular gap of the roller body of this bearing is adjustable very little, and therefore, the roller bearing running is steady at interval for roller body, and noise is little, can improve rotating speed and working life.
Description of drawings
Accompanying drawing 1 is a mutual directly touch scrolling bearing between the roller body in the prior art.
Accompanying drawing 2 is a kind of roller bearings that retainer is arranged of the prior art.
Accompanying drawing 3 is no retainer roller bearings of the present invention.
Accompanying drawing 4 is interval bodies of the Cylinder form of roller bearing of the present invention.
Accompanying drawing 5 is interval bodies of Cylinder form of the tape spool shoulder of roller bearing of the present invention.
Accompanying drawing 6 is interval bodies of the Cylinder form of roller bearing of the present invention.
Accompanying drawing 7 is interval bodies of the awl cylindrical form of roller bearing of the present invention.
Accompanying drawing 8 is interval bodies of the needle roller bodily form formula of roller bearing of the present invention.
Accompanying drawing 9 is that labyrinth sealing of the present invention does not have retainer roller bearing side view.
Among the figure, 1. load roller body, 2. outer ring, 3. inner ring, 4. retainer, 5. roller body at interval, 5 A. ball interval bodies, 5 B tape spools shoulder interval body. 5C. roller separation body, 5D. awl intercolumniation spacer, 5E. needle roller interval body, 6. sealing cover.
Embodiment
Roller body roller bearing at interval mainly is made up of elements such as inner ring 3, outer ring roller body 1 and interval roller bodies 5 as shown in Figure 3.Place a roller body 5 at interval between adjacent two load roller bodies 1.In the time of the roller bearing series of design roller body interval, should be that load roller body and interval roller body are full of whole raceway by mentioned above principle, do not allow excessive circular gap.And consider inner ring, the outer ring of bearing are designed under the condition that satisfies intensity and rigidity.Roller body roller bearing at interval also will be provided with the retaining ring sealing lid, as shown in Figure 9, and to guarantee that roller body is in position at interval.The inside and outside circle of bearing relatively rotates, and roller body is by load roller body driven rotary at interval.In point of contact B moving direction unanimity, no slide relative friction-produced, frictional loss is very little.Fig. 4, Fig. 5, Fig. 6, Fig. 7, Fig. 8, Fig. 9 are spherical, tape spool shoulder roller shapes, and cylindrical, taper, needle roller shape be roller body at interval.
Claims (3)
1. the no retainer roller bearing of a with closure, by inner ring (4), outer ring (3), load rolling element (2) and at interval rolling element (1) form, it is characterized in that: between adjacent two load rolling elements, place a rolling element (5) at interval.
2. the no retainer roller bearing of with closure according to claim 1 is characterized in that: the diameter of rolling element (1) is less than the diameter of load rolling element (2) at interval.
3. the no retainer roller bearing of with closure according to claim 1 and 2 is characterized in that: the body surface of rolling element (5) can be that curve also can be a straight line at interval.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA021364826A CN1475679A (en) | 2002-08-13 | 2002-08-13 | Protectire frame less roller bearing having sealing cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA021364826A CN1475679A (en) | 2002-08-13 | 2002-08-13 | Protectire frame less roller bearing having sealing cover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1475679A true CN1475679A (en) | 2004-02-18 |
Family
ID=34146496
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA021364826A Pending CN1475679A (en) | 2002-08-13 | 2002-08-13 | Protectire frame less roller bearing having sealing cover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1475679A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103052818A (en) * | 2010-07-23 | 2013-04-17 | Skf公司 | Rolling bearing assembly comprising a retaining device |
| CN104454974A (en) * | 2014-12-15 | 2015-03-25 | 叶雪峰 | Small rolling ball and needle roller bearing |
| CN106545568A (en) * | 2016-08-31 | 2017-03-29 | 马鞍山支点传孚智能摩擦工业研究院有限公司 | It is a kind of to roll thrust ball bearing |
| CN106545571A (en) * | 2016-08-31 | 2017-03-29 | 马鞍山支点传孚智能摩擦工业研究院有限公司 | It is a kind of to roll cylinder roller bearing |
| CN106555818A (en) * | 2016-08-31 | 2017-04-05 | 马鞍山支点传孚智能摩擦工业研究院有限公司 | It is a kind of to roll deep groove ball bearing |
| CN106555817A (en) * | 2016-08-31 | 2017-04-05 | 马鞍山支点传孚智能摩擦工业研究院有限公司 | A kind of roll cone roller bearing |
| CN106594062A (en) * | 2016-12-27 | 2017-04-26 | 贵州虹轴轴承有限公司 | Bearing |
-
2002
- 2002-08-13 CN CNA021364826A patent/CN1475679A/en active Pending
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103052818A (en) * | 2010-07-23 | 2013-04-17 | Skf公司 | Rolling bearing assembly comprising a retaining device |
| CN103052818B (en) * | 2010-07-23 | 2016-08-31 | Skf公司 | There is the rolling bearing system of holding means |
| CN104454974A (en) * | 2014-12-15 | 2015-03-25 | 叶雪峰 | Small rolling ball and needle roller bearing |
| CN106545568A (en) * | 2016-08-31 | 2017-03-29 | 马鞍山支点传孚智能摩擦工业研究院有限公司 | It is a kind of to roll thrust ball bearing |
| CN106545571A (en) * | 2016-08-31 | 2017-03-29 | 马鞍山支点传孚智能摩擦工业研究院有限公司 | It is a kind of to roll cylinder roller bearing |
| CN106555818A (en) * | 2016-08-31 | 2017-04-05 | 马鞍山支点传孚智能摩擦工业研究院有限公司 | It is a kind of to roll deep groove ball bearing |
| CN106555817A (en) * | 2016-08-31 | 2017-04-05 | 马鞍山支点传孚智能摩擦工业研究院有限公司 | A kind of roll cone roller bearing |
| CN106594062A (en) * | 2016-12-27 | 2017-04-26 | 贵州虹轴轴承有限公司 | Bearing |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |