CN203926411U - A kind of high-mechanic noise free flange bearing - Google Patents
A kind of high-mechanic noise free flange bearing Download PDFInfo
- Publication number
- CN203926411U CN203926411U CN201420365838.6U CN201420365838U CN203926411U CN 203926411 U CN203926411 U CN 203926411U CN 201420365838 U CN201420365838 U CN 201420365838U CN 203926411 U CN203926411 U CN 203926411U
- Authority
- CN
- China
- Prior art keywords
- outer ring
- axis hole
- bearing
- inner ring
- flange
- 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
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Abstract
The utility model relates to a kind of high-mechanic noise free flange bearing.This bearing comprises outer ring, inner ring, rolling element; Rolling element is between inner ring and the raceway of outer ring; In inner ring, have axis hole, in the inwall surrounding of this axis hole, have uniformly some towards the open-topped oil groove of axis hole; Raceway between outer ring and inner ring is the 30-50mm of being separated by between two roller path structures and two raceways; On the outer side surface of outer ring, be provided with flange, flange extends radially outwardly along outer ring, and a plurality of through holes are set on flange.Raceway between outer ring of the present utility model and inner ring is two roller path structures, significantly promotes the load-carrying properties of bearing in the situation that not strengthening bearing boundary dimension.The utility model can not only effectively solve the lubrication problem of motor shaft and axis hole simultaneously, the wearing and tearing of axle and axis hole be can effectively reduce and running noise of motor and electric current effectively reduced, and having solved bearing of the prior art, that required auxiliary component is installed is many, the large problem of weight after installing.
Description
Technical field
The utility model relates to a kind of bearing, particularly relates to a kind of high-mechanic noise free flange bearing.
Background technique
Bearing is the comparatively conventional fixed member in engineering machinery.Along with socioeconomic fast development, market is increasing to the demand of bearing, requires also more and more higher.Plain bearing comprises inner ring and outer ring, and is located at the ball in the middle of inner ring and outer ring.Being designed to overall structure or offering oil groove at axis hole root or part of existing bearing axis hole and axle, such design exist axle and axis hole area of contact large and be directed at the large and lubricated not good shortcoming of noise.At the root notching construction of axis hole, the lubricant oil being added in axis hole easily flow to the bottom of motor after motor rotation, not good to the fitting surface lubrication effect of axle and axis hole, easily large the and large shortcoming of noise of generation current.Along with more and more higher to the requirement of quality of product and Product Precision in recent years today, the noise of bearing is large and lubrication effect is not good will directly cause the downslide of the total quality of product, reduces the competitiveness of product in market.
At present, wind power system is when improving constantly generated output, and the space in cabin can not significantly promote, but the axle of pitch variable bearings, radially carrying and tilting moment enlarge markedly, and the bearing capacity of bearing of the prior art is proposed to requirements at the higher level.How by flange and loading ability of bearing, effectively in conjunction with going to solve in prior art, the number of components is many, quality weight in addition, and the problem of the poor reliability of while transmission of power is also the current technical issues that need to address of those skilled in the art.
Model utility content
The purpose of this utility model is to provide for above-mentioned shortcomings and deficiencies of the prior art a kind of simple in structure, high-mechanic noise free flange bearing that bearing capacity is high, this bearing can not only effectively solve the lubrication problem of motor shaft and axis hole, the wearing and tearing of axle and axis hole be can effectively reduce and running noise of motor and electric current effectively reduced, and having solved bearing of the prior art, that required auxiliary component is installed is many, the large problem of weight after installing.
The purpose of this utility model is realized by following technological scheme.
A high-mechanic noise free flange bearing, comprises outer ring, inner ring, rolling element; Rolling element is between inner ring and the raceway of outer ring; It is characterized in that: in described inner ring, have axis hole, in the inwall surrounding of this axis hole, have uniformly some towards the open-topped oil groove of axis hole; Raceway between described outer ring and inner ring is the 30-50mm of being separated by between two roller path structures and two raceways; On the outer side surface of described outer ring, be provided with flange, described flange extends radially outwardly along described outer ring, and a plurality of through holes are set on described flange.
Wherein, described through hole is along the described flange of axial perforation of described outer ring.
Wherein, be also provided with two ring-type oil sealings between described outer ring and inner ring, these two ring-type oil sealings lay respectively at described a plurality of rolling elements both sides.
Wherein, make by modified structural steel described inner ring, outer ring.
Compared with prior art, the advantage of high-mechanic noise free flange bearing described in the utility model is:
1, the utility model is provided with flange on the outer side surface of outer ring, bearing and flange are carried out to Integration Design, the outer shroud that is flange and bearing is designed to integrative-structure, do not need when mounted lining and back-up ring, pad, reduced bearing the required auxiliary component number in location has been installed, simplified installation procedure, avoided auxiliary component in mechanical movement, to occur damage and caused transmission system failure likelihood, reliability while having increased transmission system operation, the while has also alleviated the weight of transmission system.
2, the raceway between outer ring of the present utility model and inner ring is two roller path structures, significantly promotes the load-carrying properties of bearing in the situation that not strengthening bearing boundary dimension, more meets the usage requirement of wind electricity pitch variable bearings.
3, the utility model has some towards the open-topped oil groove of axis hole in the inwall surrounding of axis hole uniformly, after axle is arranged on to axis hole, in some oil grooves of the inwall surrounding of this axis hole, inject lubricant oil, owing to having uniformly the rubbing surface that oil groove can directly reduce axle and shaft hole inner wall at shaft hole inner wall, reduce the friction factor of axle and axis hole, reduce noise and electric current.Again because its oil groove is to be opened in uniformly the inwall surrounding of axis hole towards axis hole open top, add the bottom that lubricant oil in oil groove is difficult for flowing to motor after motor rotation to, the fitting surface lubrication effect of axle and axis hole is promoted greatly.
Accompanying drawing explanation
Fig. 1 is that sectional structure schematic diagram is looked on the right side of the utility model high-mechanic noise free flange bearing.
Fig. 2 is the main TV structure schematic diagram of the utility model high-mechanic noise free flange bearing.
In figure: 1 inner ring, 2 rolling elements, 3 outer rings, 4 oil grooves, 5 axis holes, 6 flanges, 7 through holes, 8 ring-type oil sealings.
Embodiment
Below in conjunction with Fig. 1, Fig. 2, further describe structure of the present utility model.
A kind of high-mechanic noise free flange bearing comprises outer ring 3, inner ring 1, rolling element 2; Rolling element 2 is between inner ring 1 and the raceway of outer ring 3; Raceway between described outer ring 3 and inner ring 1 is the 30-50mm of being separated by between two roller path structures and two raceways.Raceway between outer ring 3 of the present utility model and inner ring 1 is two roller path structures, significantly promotes the load-carrying properties of bearing in the situation that not strengthening bearing boundary dimension, more meets the usage requirement of wind electricity pitch variable bearings.
On the outer side surface of described outer ring 3, be provided with flange 6, described flange 6 extends radially outwardly along described outer ring 3, and a plurality of through holes 7 are set on described flange 6.Described through hole 7 is along the described flange 6 of axial perforation of described outer ring 3.The utility model is provided with flange 6 on the outer side surface of outer ring 3, bearing and flange are carried out to Integration Design, the outer shroud that is flange and bearing is designed to integrative-structure, do not need when mounted lining and back-up ring, pad, reduced bearing the required auxiliary component number in location has been installed, simplified installation procedure, avoided auxiliary component in mechanical movement, to occur damage and caused transmission system failure likelihood, reliability while having increased transmission system operation, the while has also alleviated the weight of transmission system.
In described inner ring 1, have axis hole 5, in the inwall surrounding of this axis hole 5, have uniformly some towards the open-topped oil groove 4 of axis hole 5.After axle is arranged on to axis hole 5, the interior injection lubricant oil of some oil grooves 4 to the inwall surrounding of this axis hole 5, owing to having uniformly at axis hole 5 inwalls the rubbing surface that oil groove 4 can directly reduce axle and axis hole 5 inwalls, reduce the friction factor of axle and axis hole 5, reduce noise and electric current.Again because its oil groove 4 is to be opened in uniformly the inwall surrounding of axis hole 5 towards axis hole 5 open tops, add the bottom that lubricant oil in oil groove 4 is difficult for flowing to motor after motor rotation to, the fitting surface lubrication effect of axle and axis hole 5 is promoted greatly.
Between described outer ring 3 and inner ring 1, be also provided with two ring-type oil sealings 8, these two ring-type oil sealings 8 lay respectively at described a plurality of rolling element 2 both sides.The utility model arranges ring-type oil sealing 8, and energy effective sealing bearing, prevents that dust from entering in raceway, and bearing operation noise is low, rubs little, can effectively improve due to the bearing failure that wearing and tearing cause at a high speed, the working life of greatly having improved bearing.
Claims (4)
1. a high-mechanic noise free flange bearing, comprises outer ring (3), inner ring (1), rolling element (2); Rolling element (2) is positioned between inner ring (1) and the raceway of outer ring (3); It is characterized in that: in described inner ring (1), have axis hole (5), in the inwall surrounding of this axis hole (5), have uniformly some towards the open-topped oil groove of axis hole (5) (4); Raceway between described outer ring (3) and inner ring (1) is the 30-50mm of being separated by between two roller path structures and two raceways; On the outer side surface of described outer ring (3), be provided with flange (6), described flange (6) extends radially outwardly along described outer ring (3), and a plurality of through holes (7) are set on described flange (6).
2. a kind of high-mechanic noise free flange bearing according to claim 1, is characterized in that: described through hole (7) is along the described flange of axial perforation (6) of described outer ring (3).
3. a kind of high-mechanic noise free flange bearing according to claim 1, it is characterized in that: between described outer ring (3) and inner ring (1), be also provided with two ring-type oil sealings (8), these two ring-type oil sealings (8) lay respectively at described a plurality of rolling element (2) both sides.
4. a kind of high-mechanic noise free flange bearing according to claim 1, is characterized in that: make by modified structural steel described inner ring (1), outer ring (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420365838.6U CN203926411U (en) | 2014-06-27 | 2014-06-27 | A kind of high-mechanic noise free flange bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420365838.6U CN203926411U (en) | 2014-06-27 | 2014-06-27 | A kind of high-mechanic noise free flange bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203926411U true CN203926411U (en) | 2014-11-05 |
Family
ID=51822226
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420365838.6U Expired - Fee Related CN203926411U (en) | 2014-06-27 | 2014-06-27 | A kind of high-mechanic noise free flange bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203926411U (en) |
-
2014
- 2014-06-27 CN CN201420365838.6U patent/CN203926411U/en not_active Expired - Fee Related
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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: 20141105 Termination date: 20150627 |
|
| EXPY | Termination of patent right or utility model |