CN204900524U - Biserial cylindrical roller bearing - Google Patents
Biserial cylindrical roller bearing Download PDFInfo
- Publication number
- CN204900524U CN204900524U CN201520540386.5U CN201520540386U CN204900524U CN 204900524 U CN204900524 U CN 204900524U CN 201520540386 U CN201520540386 U CN 201520540386U CN 204900524 U CN204900524 U CN 204900524U
- Authority
- CN
- China
- Prior art keywords
- inner ring
- ring
- outer ring
- roller bearing
- cylindrical roller
- 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.)
- Expired - Fee Related
Links
- 230000000694 effects Effects 0.000 abstract description 7
- 239000000314 lubricant Substances 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 230000001050 lubricating effect Effects 0.000 description 2
- 238000005461 lubrication Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
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- Support Of The Bearing (AREA)
- Rolling Contact Bearings (AREA)
Abstract
The utility model discloses a biserial cylindrical roller bearing, enclose and the roller including outer lane, first inner circle, second inner circle, the elastic connection that floats, first inner circle and second inner circle all set up in the outer lane, the one end of second inner circle is connected to the one end of first inner circle through the elastic connection circle that floats, the roller is equipped with two, and two are listed as the roller sets up respectively between first inner circle and the outer lane and between second inner circle and the outer lane. The utility model discloses a connect through the elastic connection circle that floats between first inner circle and the second inner circle, the elastic connection circle that floats can play the effect of automatic aligning centering to first inner circle and second inner circle to can guarantee high precision when rotatory.
Description
Technical field
The utility model relates to a kind of Biserial cylindrical roller bearing.
Background technique
Current engineering machinery owning amount is increasing, and every platform gearbox all needs to mix several cover Biserial cylindrical roller bearing, and demand is very large, and market prospects are considerable.The major defect of existing Biserial cylindrical roller bearing is: can not self-aligning centering, low precision during High Rotation Speed.
Model utility content
The purpose of this utility model be to provide a kind of can self-aligning centering, High Rotation Speed time precision high Biserial cylindrical roller bearing.
The technological scheme realizing the utility model object is: a kind of Biserial cylindrical roller bearing, comprises outer ring, the first inner ring, the second inner ring, floating elastic fastener rings and roller; Described first inner ring and the second inner ring are all arranged in outer ring; One end of described first inner ring connects one end of the second inner ring by floating elastic fastener rings; Described roller is provided with two row, and two row rollers are separately positioned between the first inner ring and outer ring and between the second inner ring and outer ring.
Annular boss is provided with in the middle part of the inside of described outer ring; Described inwall installs two circlips; The inner end of described two row rollers is spacing respectively by the bi-side of annular boss, and the outer end of two row rollers is spacing respectively by two circlips.
The outer wall of described outer ring is provided with at least one circular groove.
The middle part of described outer ring is provided with oilhole; Described oilhole is communicated with the inside and outside both sides of outer ring.
The inner wall edge of the inner wall edge of one end of described first inner ring and one end of the second inner ring is equipped with groove, the two ends of floating elastic fastener rings respectively with the groove interference fit of the first inner ring and the second inner ring.
A kind of Biserial cylindrical roller bearing, also comprises two seal rings; External near outer end on the outer wall that described two seal rings are arranged on the first inner ring and the second inner ring respectively, and all with the inwall interference fit of outer ring.
Have employed technique scheme, the utility model has following beneficial effect: connected by floating elastic fastener rings between (1) first inner ring of the present utility model and the second inner ring, floating elastic fastener rings can play the effect of self-aligning centering to the first inner ring and the second inner ring, thus can ensure precision when highly rotating.
(2) circlip of the present utility model effectively can prevent roller generation axial float.
(3) outer wall of outer ring of the present utility model is provided with at least one circular groove, avoid because of outer ring bus to contact with cylindrical hole produce that surface of contact is long to be installed time pressing-in force excessive and cause damaging bearing accuracy, can also play prevents outer ring from producing additional moment because of the creep rotated at bearing chamber simultaneously, improve the working efficiency of bearing, extend bearing working life, also serve the effect reducing energy consumption simultaneously.
(4) middle part of outer ring of the present utility model is provided with oilhole, is convenient to add lubricant oil.
(5) seal ring of the present utility model can prevent lubricant pollution environment, simultaneously can guarantee that again internal lubrication oil can enter Bearing inner, plays cooling, antirust, the effect of lubricating.
Accompanying drawing explanation
In order to make content of the present utility model more easily be clearly understood, below according to specific embodiment also by reference to the accompanying drawings, the utility model is described in further detail, wherein
Fig. 1 is structural representation of the present utility model.
Label in accompanying drawing is:
Outer ring 1, annular boss 11, circlip 12, circular groove 13, oilhole 14, first inner ring 2, second inner ring 3, floating elastic fastener rings 4, roller 5, seal ring 6.
Embodiment
(embodiment 1)
See Fig. 1, the Biserial cylindrical roller bearing of the present embodiment, comprise outer ring 1, first inner ring 2, second inner ring 3, floating elastic fastener rings 4, roller 5 and seal ring 6.
First inner ring 2 and the second inner ring 3 are all arranged in outer ring 1.One end of first inner ring 2 connects one end of the second inner ring 3 by floating elastic fastener rings 4, concrete Placement is: the inner wall edge of the inner wall edge of one end of the first inner ring 2 and one end of the second inner ring 3 is equipped with groove, the two ends of floating elastic fastener rings 4 respectively with the groove interference fit of the first inner ring 2 and the second inner ring 3.Floating elastic fastener rings 4 can play the effect of self-aligning centering to the first inner ring 2 and the second inner ring 3, thus can ensure precision when highly rotating
Roller 5 is provided with two row, and two row rollers 5 are separately positioned between the first inner ring 2 and outer ring 1 and between the second inner ring 3 and outer ring 1.Annular boss 11 is provided with in the middle part of the inside of outer ring 1.Inwall installs two circlips 12.The inner end of two row rollers 5 is spacing respectively by the bi-side of annular boss 11, and the outer end of two row rollers 5 is spacing respectively by two circlips 12.Circlip 12 can effectively prevent roller 5 from axial float occurring.The outer wall of outer ring 1 is provided with at least one circular groove 13.Circular groove 13 can be avoided the bus because of outer ring 1 to contact with cylindrical hole producing pressing-in force when surface of contact is long to be installed excessive and cause damaging bearing accuracy, can also play prevents outer ring 1 from producing additional moment because of the creep rotated at bearing chamber simultaneously, improve the working efficiency of bearing, extend bearing working life, also serve the effect reducing energy consumption simultaneously.The middle part of outer ring 1 is provided with oilhole 14, and oilhole 14 is communicated with the inside and outside both sides of outer ring 1, is convenient to add lubricant oil.
Seal ring 6 is provided with two.External near outer end on the outer wall that two seal rings 6 are arranged on the first inner ring 2 and the second inner ring 3 respectively, and all with the inwall interference fit of outer ring 1.Seal ring 6 can prevent lubricant pollution environment, simultaneously can guarantee that again internal lubrication oil can enter Bearing inner, plays cooling, antirust, the effect of lubricating.
Above-described specific embodiment; the purpose of this utility model, technological scheme and beneficial effect are further described; be understood that; the foregoing is only specific embodiment of the utility model; be not limited to the utility model; all within spirit of the present utility model and principle, any amendment made, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (6)
1. a Biserial cylindrical roller bearing, is characterized in that: comprise outer ring (1), the first inner ring (2), the second inner ring (3), floating elastic fastener rings (4) and roller (5); Described first inner ring (2) and the second inner ring (3) are all arranged in outer ring (1); One end of described first inner ring (2) connects one end of the second inner ring (3) by floating elastic fastener rings (4); Described roller (5) is provided with two row, and two row rollers (5) are separately positioned between the first inner ring (2) and outer ring (1) and between the second inner ring (3) and outer ring (1).
2. a kind of Biserial cylindrical roller bearing according to claim 1, is characterized in that: be provided with annular boss (11) in the middle part of the inside of described outer ring (1); The inwall of described outer ring (1) installs two circlips (12); The inner end of described two row rollers (5) is spacing respectively by the bi-side of annular boss (11), and the outer end of two row rollers (5) is spacing respectively by two circlips (12).
3. a kind of Biserial cylindrical roller bearing according to claim 1, is characterized in that: the outer wall of described outer ring (1) is provided with at least one circular groove (13).
4. a kind of Biserial cylindrical roller bearing according to claim 1, is characterized in that: the middle part of described outer ring (1) is provided with oilhole (14); Described oilhole (14) is communicated with the inside and outside both sides of outer ring (1).
5. a kind of Biserial cylindrical roller bearing according to claim 1, it is characterized in that: the inner wall edge of the inner wall edge of one end of described first inner ring (2) and one end of the second inner ring (3) is equipped with groove, the two ends of floating elastic fastener rings (4) respectively with the groove interference fit of the first inner ring (2) and the second inner ring (3).
6. a kind of Biserial cylindrical roller bearing according to claim 1, is characterized in that: also comprise two seal rings (6); External near outer end on the outer wall that described two seal rings (6) are arranged on the first inner ring (2) and the second inner ring (3) respectively, and all with the inwall interference fit of outer ring (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520540386.5U CN204900524U (en) | 2015-07-23 | 2015-07-23 | Biserial cylindrical roller bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520540386.5U CN204900524U (en) | 2015-07-23 | 2015-07-23 | Biserial cylindrical roller bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204900524U true CN204900524U (en) | 2015-12-23 |
Family
ID=54922704
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520540386.5U Expired - Fee Related CN204900524U (en) | 2015-07-23 | 2015-07-23 | Biserial cylindrical roller bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204900524U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107339435A (en) * | 2016-04-28 | 2017-11-10 | Imo控股有限责任公司 | The sealing device and wind power plant of large-size rolling bearing |
| CN108105255A (en) * | 2017-12-26 | 2018-06-01 | 瓦房店轴承集团有限责任公司 | The pulley blocks Biserial cylindrical roller bearing for integrating sealing and dustproof |
| WO2024040710A1 (en) * | 2022-08-25 | 2024-02-29 | 瓦房店轴承集团有限责任公司 | Self-sealing double-row tapered roller bearing with stepped outer diameter |
-
2015
- 2015-07-23 CN CN201520540386.5U patent/CN204900524U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107339435A (en) * | 2016-04-28 | 2017-11-10 | Imo控股有限责任公司 | The sealing device and wind power plant of large-size rolling bearing |
| CN108105255A (en) * | 2017-12-26 | 2018-06-01 | 瓦房店轴承集团有限责任公司 | The pulley blocks Biserial cylindrical roller bearing for integrating sealing and dustproof |
| WO2024040710A1 (en) * | 2022-08-25 | 2024-02-29 | 瓦房店轴承集团有限责任公司 | Self-sealing double-row tapered roller bearing with stepped outer diameter |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151223 Termination date: 20210723 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |