CN105387067B - High speed guide and guard bearing - Google Patents
High speed guide and guard bearing Download PDFInfo
- Publication number
- CN105387067B CN105387067B CN201510956367.5A CN201510956367A CN105387067B CN 105387067 B CN105387067 B CN 105387067B CN 201510956367 A CN201510956367 A CN 201510956367A CN 105387067 B CN105387067 B CN 105387067B
- Authority
- CN
- China
- Prior art keywords
- bearing
- seal ring
- oil
- inner race
- hole
- 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.)
- Active
Links
- 239000000446 fuel Substances 0.000 claims abstract description 9
- 238000007789 sealing Methods 0.000 claims description 6
- PNEYBMLMFCGWSK-UHFFFAOYSA-N Alumina Chemical compound [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 3
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- 239000003921 oil Substances 0.000 abstract description 24
- 229910052688 Gadolinium Inorganic materials 0.000 abstract description 5
- 229910000831 Steel Inorganic materials 0.000 abstract description 5
- UIWYJDYFSGRHKR-UHFFFAOYSA-N gadolinium atom Chemical compound [Gd] UIWYJDYFSGRHKR-UHFFFAOYSA-N 0.000 abstract description 5
- 239000000314 lubricant Substances 0.000 abstract description 5
- 239000010959 steel Substances 0.000 abstract description 5
- 239000010687 lubricating oil Substances 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 5
- 238000005461 lubrication Methods 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 210000004907 gland Anatomy 0.000 description 2
- 239000004519 grease Substances 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000703 high-speed centrifugation Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
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
- F16C33/72—Sealings
- F16C33/76—Sealings of ball or roller bearings
- F16C33/80—Labyrinth sealings
-
- 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
- F16C33/66—Special parts or details in view of lubrication
- F16C33/6637—Special parts or details in view of lubrication with liquid lubricant
- F16C33/6659—Details of supply of the liquid to the bearing, e.g. passages or nozzles
- F16C33/6677—Details of supply of the liquid to the bearing, e.g. passages or nozzles from radial inside, e.g. via a passage through the shaft and/or inner ring
-
- 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
- F16C19/02—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows
- F16C19/04—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for radial load mainly
- F16C19/08—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for radial load mainly with two or more rows of balls
Abstract
The present invention relates to a kind of guide and guard bearing, specifically a kind of hot high speed guide and guard bearing applied to gadolinium steel production line, belong to technical field of bearings.It includes bearing inner race, bearing outer ring, ball, ball retainer and positioning core axle, bearing inner race connection positioning core axle, and positioning core axle one end is provided with connecting bolt, and the other end is provided with locating piece, and connecting bolt stretches out bearing inner race；Positioning core axle posterior center is provided with fuel feed hole, and positioning core axle surface is provided with multiple oil-through-holes connected with fuel feed hole；Bearing inner race middle inside is provided with oil guide groove, and oil guide groove is provided with and the multiple oil guiding holes of oil-through-hole quantity identical, the connection corresponding with an oil-through-hole of each oil guiding hole.The present invention sets lubricant passage way in positioning core axle and bearing inner race, and external lubricating oil enters Bearing inner by oil circuit, bearing is lubricated, so as to extend the service life of bearing.
Description
Technical field
The present invention relates to a kind of guide and guard bearing, specifically a kind of hot high speed guide and guard axle applied to gadolinium steel production line
Hold, belong to technical field of bearings.
Background technology
At present, the magnitude range that domestic Ga Gang enterprises produce all kinds of hot gadolinium circular diameters every year is 5.5 ~ 12.5mm, is mainly deposited
The problem of be round steel exit guide and guard bearing service life it is short, it is 8 that line, which changes a bearing, and service life is general
For 4 hours.Hot gadolinium round steel flies out with the speed of 20 meter per seconds from stove during work, and guide wheel external diameter contacts with hot gadolinium round steel,
Supporting role is played, therefore guide and guard bearing not only needs to rotate at a high speed, while high temperature resistant is needed, shock resistance is wear-resistant.Make at present
Bearing, its service life only have be less than for 4 hours, and service life is relatively low, and use cost is higher.
The content of the invention
It is an object of the present invention to overcome the above deficiencies, so as to provide a kind of high speed guide and guard bearing, improves use
In the life-span, reduce cost.
According to technical scheme provided by the invention, high speed guide and guard bearing includes bearing inner race, bearing outer ring, ball, ball
Retainer and positioning core axle, bearing inner race outer surface are provided with two interior raceways, and bearing outer ring inner surface is provided with two outer raceways, interior
Raceway is connected to form two ball roads with outer raceway, and ball is provided with ball road, and ball outer ring is provided with ball retainer,
It is characterized in that：It is provided with two groups of inner seal rings and exterior seal ring between bearing inner race and bearing outer ring, two groups of inner seal rings and outer close
Seal is respectively positioned at the outside of two ball retainers；Inner seal ring mounting groove, inner seal ring installation are provided with the outside of bearing inner race
Inner seal ring is provided with groove, gap is left between inner seal ring and bearing outer ring；The inner surface of bearing outer ring is provided with exterior seal ring
Mounting groove, is provided with exterior seal ring in exterior seal ring mounting groove, is provided with gap between exterior seal ring and bearing inner race, inner seal ring with
Gap is provided between exterior seal ring；Bearing inner race connects positioning core axle, and positioning core axle one end is provided with connecting bolt, and the other end is provided with
Locating piece, connecting bolt stretch out bearing inner race；Positioning core axle posterior center is provided with fuel feed hole, positioning core axle surface be provided with it is multiple with
The oil-through-hole of fuel feed hole connection；Bearing inner race middle inside is provided with oil guide groove, and oil guide groove is provided with and oil-through-hole quantity identical
Multiple oil guiding holes, the connection corresponding with an oil-through-hole of each oil guiding hole.
Further, the interstice coverage of the lip of bearing inner race and inner seal ring be 0.1 ~ 0.15, bearing outer ring with it is outer close
The interstice coverage of the lip of seal is 0.1 ~ 0.15.
Further, the lip of exterior seal ring is C-shaped configuration, and exterior seal ring is provided with multiple backwards to the side surface of inner seal ring one
Raised line, multiple raised lines are uniformly distributed along exterior seal ring surface perimeter direction.
Further, multiple oil-through-holes are circumferentially uniformly distributed.
Further, multiple oil guiding holes are circumferentially uniformly distributed.
Further, bearing outer ring surface is provided with alumina ceramic face coating.
Compared with the prior art the present invention has advantages below：
The present invention is simple in construction, compact, reasonable, in order to ensure the lubricant effect of bearing, improves the service life of bearing, will
Originally grease lubrication mode is changed to oil lubrication mode, is realized by changing the design of oil piping system, in positioning core axle and bearing
Lubricant passage way is set in circle, and external lubricating oil enters Bearing inner by oil circuit, bearing is lubricated, so as to extend bearing
Service life；When the structure of double-layer seal rings mainly protects the bearing to have the external world to have the cooling water to rush bearing, water encounters bearing in height
In the presence of fast centrifugal force, water can be sent flying, avoid going to the service life of the internal influence bearing of bearing.
Brief description of the drawings
Fig. 1 is front view of the present invention.
Fig. 2 is bearing front view.
Fig. 3 is lubrication mandrel front view.
Fig. 4 is exterior seal ring front view.
Description of reference numerals：1- bearing inner races, 2- bearing outer rings, 3- balls, 4- ball retainers, 5- inner seal rings, 6-
The logical oil of exterior seal ring, 7- positioning core axles, 8- connecting bolts, 9- locating pieces, 10- oil guide grooves, 11- oil guiding holes, 12- fuel feed holes, 13-
Hole, 14- raised lines.
Embodiment
The present invention will be further described with reference to the embodiment in accompanying drawing below：
As shown in Fig. 1 ~ 3, the invention mainly comprises bearing inner race 1, bearing outer ring 2, ball 3, ball retainer 4 and positioning
Mandrel 7, the outer surface of bearing inner race 1 are provided with two interior raceways, and the inner surface of bearing outer ring 2 is provided with two outer raceways, interior raceway and outer
Raceway is connected to form complete two ball roads, and ball 3 is provided with ball road, and the outer ring of ball 3 is provided with ball retainer
4。
Two groups of inner seal rings 5 and exterior seal ring 6, two groups of Hes of inner seal ring 5 are provided between bearing inner race 1 and bearing outer ring 2
Exterior seal ring 6 is respectively positioned at the outside of two ball retainers 4.The outside of bearing inner race 1 is provided with inner seal ring mounting groove, interior sealing
Inner seal ring 5 is provided with circle mounting groove, gap is left between inner seal ring 5 and bearing outer ring 2.The inner surface of bearing outer ring 2 is set
There is exterior seal ring mounting groove, exterior seal ring 6 is provided with exterior seal ring mounting groove, between being provided between exterior seal ring 6 and bearing inner race 1
Gap, gap is provided between inner seal ring 5 and exterior seal ring 6.It is cold that the structure of double-layer seal rings mainly protects bearing to have the external world to have
But when water rushes bearing, water encounters bearing in the presence of high speed centrifugation power, can send flying water, avoids going to the inside of bearing
Influence the service life of bearing.
The interstice coverage of the bearing inner race 1 and the lip of inner seal ring 5 is 0.1 ~ 0.15, bearing outer ring 2 and external seal
The interstice coverage of the lip of circle 6 is 0.1 ~ 0.15.Gap setting is within the range so that bearing inner race 1 can with inner seal ring 5
Reach preferable sealing effectiveness, overheat will not be produced again, cause sealing ring to burn.
As shown in figure 4, the lip of the exterior seal ring 6 is C-shaped configuration, between the lip energy and bearing outer ring of C-shaped configuration
High pressure is formed at gap, reaches the effect of sealing gland.Exterior seal ring 6 is provided with multiple raised lines 14 backwards to the side surface of inner seal ring 5 one, multiple
Raised line 14 is uniformly distributed along the surface perimeter direction of exterior seal ring 6.When high speed rotates, raised line 14 produces air-flow, with C-shaped configuration
Lip collective effect, produce the effect of sealing gland.
Bearing inner race 1 connects positioning core axle 7, and the one end of positioning core axle 7 is provided with connecting bolt 8, and the other end is provided with locating piece 9.
Connecting bolt 8 stretches out bearing inner race 1, so as to which bearing be fixed somewhere.
The posterior center of positioning core axle 7 is provided with fuel feed hole 12, the surface of positioning core axle 7 be provided with it is multiple connected with fuel feed hole 12 lead to
Oilhole 13, multiple oil-through-holes 13 are circumferentially uniformly distributed.
The middle inside of bearing inner race 1 is provided with oil guide groove 10, and oil guide groove 10 is provided with multiple with the quantity identical of oil-through-hole 13
Oil guiding hole 11, multiple oil guiding holes 11 are circumferentially uniformly distributed.Each connection corresponding with an oil-through-hole 13 of oil guiding hole 11.
The surface of bearing outer ring 2 is provided with alumina ceramic face coating, improves the anti-wear performance of bearing outer ring 2.
The present invention improves the service life of bearing, original grease lubrication mode is changed to ensure the lubricant effect of bearing
Oil lubrication mode, realized by changing the design of oil piping system, lubricant passage way is set in positioning core axle and bearing inner race, outside
Connect lubricating oil and Bearing inner is entered by oil circuit, bearing is lubricated, can so extend the service life of bearing.
Claims (3)
1. a kind of high speed guide and guard bearing, including bearing inner race（1）, bearing outer ring（2）, ball（3）, ball retainer（4）With it is fixed
Position mandrel（7）, bearing inner race（1）Outer surface is provided with two interior raceways, bearing outer ring（2）Inner surface is provided with two outer raceways, interior
Raceway is connected to form two ball roads with outer raceway, and ball is provided with ball road（3）, ball（3）Outer ring is provided with ball
Retainer（4）, it is characterized in that：Bearing inner race（1）And bearing outer ring（2）Between be provided with two groups of inner seal rings（5）And exterior seal ring
（6）, two groups of inner seal rings（5）And exterior seal ring（6）It is located at two ball retainers respectively（4）Outside；Bearing inner race（1）Outside
Side is provided with inner seal ring mounting groove, and inner seal ring is provided with inner seal ring mounting groove（5）, inner seal ring（5）And bearing outer ring（2）
Between leave gap；Bearing outer ring（2）Inner surface be provided with exterior seal ring mounting groove, is provided with external seal in exterior seal ring mounting groove
Circle（6）, exterior seal ring（6）And bearing inner race（1）Between be provided with gap, inner seal ring（5）And exterior seal ring（6）Between be provided between
Gap；Bearing inner race（1）Connect positioning core axle（7）, positioning core axle（7）One end is provided with connecting bolt（8）, the other end is provided with locating piece
（9）, connecting bolt（8）Stretch out bearing inner race（1）；Positioning core axle（7）Posterior center is provided with fuel feed hole（12）, positioning core axle（7）
Surface is provided with multiple and fuel feed hole（12）The oil-through-hole of connection（13）；Bearing inner race（1）Middle inside is provided with oil guide groove（10）, lead
Oil groove（10）It is provided with and the multiple oil guiding holes of oil-through-hole (13) quantity identical (11), each oil guiding hole (11) and an oil-through-hole
(13) corresponding connection；The bearing inner race（1）With exterior seal ring（6）Lip interstice coverage be 0.1 ~ 0.15, bearing outer ring
（2）With inner seal ring（5）Lip interstice coverage be 0.1 ~ 0.15；The exterior seal ring（6）Lip be C-shaped configuration, outside
Sealing ring（6）Backwards to inner seal ring（5）One side surface is provided with multiple raised lines（14）, multiple raised lines（14）Along exterior seal ring（6）
Surface perimeter direction is uniformly distributed；The bearing outer ring（2）Surface is provided with alumina ceramic face coating.
2. high speed guide and guard bearing as claimed in claim 1, it is characterized in that：The multiple oil-through-hole（13）It is circumferentially equal
Even distribution.
3. high speed guide and guard bearing as claimed in claim 1, it is characterized in that：The multiple oil guiding hole (11) is circumferentially equal
Even distribution.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510956367.5A CN105387067B (en) | 2015-12-18 | 2015-12-18 | High speed guide and guard bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510956367.5A CN105387067B (en) | 2015-12-18 | 2015-12-18 | High speed guide and guard bearing |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105387067A CN105387067A (en) | 2016-03-09 |
| CN105387067B true CN105387067B (en) | 2018-03-02 |
Family
ID=55419689
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510956367.5A Active CN105387067B (en) | 2015-12-18 | 2015-12-18 | High speed guide and guard bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105387067B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108397481A (en) * | 2018-05-24 | 2018-08-14 | 张耀河 | Bearing convenient for lubricating oil replenishing and the shockproof wheel convenient for lubrication |
| CN110030278A (en) * | 2019-04-25 | 2019-07-19 | 浙江丰安精密机械有限公司 | A kind of double-layer seal rings deep groove ball bearing |
| CN113187882A (en) * | 2021-04-07 | 2021-07-30 | 浙江兆丰机电股份有限公司 | Lubricating structure for bevel gear bearing |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5560715A (en) * | 1995-04-26 | 1996-10-01 | The Torrington Company | Rolling element bearing with shield |
| CN2718311Y (en) * | 2004-08-11 | 2005-08-17 | 洛阳轴承集团有限公司 | Combined bearing with shaft type double-row full-filling cylinder roller and thrust ball |
| CN2787912Y (en) * | 2004-12-17 | 2006-06-14 | 上海特安一凯轴承有限公司 | Guide bearing of bar and wire rolling mill |
| JP2009204142A (en) * | 2008-02-29 | 2009-09-10 | Ntn Corp | Rolling bearing |
| CN202056044U (en) * | 2011-05-11 | 2011-11-30 | 瓦房店光阳轴承集团有限公司 | Four-row cylindrical roller bearing assembly for novel diaphragm pump |
| CN205350051U (en) * | 2015-12-18 | 2016-06-29 | 无锡市第二轴承有限公司 | Lead at a high speed and defend bearing |
-
2015
- 2015-12-18 CN CN201510956367.5A patent/CN105387067B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN105387067A (en) | 2016-03-09 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: High speed guide bearing Effective date of registration: 20220609 Granted publication date: 20180302 Pledgee: Wuxi rural commercial bank Limited by Share Ltd. Pledgor: Wuxi No.2 Bearing Co.,Ltd. Registration number: Y2022320010212 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20230328 Granted publication date: 20180302 Pledgee: Wuxi rural commercial bank Limited by Share Ltd. Pledgor: Wuxi No.2 Bearing Co.,Ltd. Registration number: Y2022320010212 |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20231008 Address after: Building E Workshop, No. 220 Chengnan Road, Xinwu District, Wuxi City, Jiangsu Province, 214000 Patentee after: Wuxi Yulu Precision Industry Co.,Ltd. Address before: No. 1 Lijiang Road, Wangzhuang Street, New District, Wuxi City, Jiangsu Province, 214028 Patentee before: Wuxi No.2 Bearing Co.,Ltd. |