CN202833639U - Novel self-aligning roller bearing capable of deflecting at wide angles - Google Patents
Novel self-aligning roller bearing capable of deflecting at wide angles Download PDFInfo
- Publication number
- CN202833639U CN202833639U CN 201220376257 CN201220376257U CN202833639U CN 202833639 U CN202833639 U CN 202833639U CN 201220376257 CN201220376257 CN 201220376257 CN 201220376257 U CN201220376257 U CN 201220376257U CN 202833639 U CN202833639 U CN 202833639U
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- outer ring
- raceway
- roller bearing
- inner ring
- ring
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Abstract
The utility model discloses a novel self-aligning roller bearing capable of deflecting at wide angles. The novel self-aligning roller bearing capable of deflecting at the wide angles comprises an outer ring, an inner ring, a rolling body and a cage, wherein the width of the outer ring is larger than that of the inner ring, the outer ring is provided with a spherical raceway, the rolling body is arranged between the spherical raceway of the outer ring and a raceway of the inner ring through the cage. Contact angles of the novel self-aligning roller bearing capable of deflecting at the wide angles can be decreased and mutual deflection angles of the inner ring and the outer ring can be increased. When the novel self-aligning roller bearing capable of deflecting at the wide angles is applied to a reduction gear main engine, work efficiency of the main engine can be improved, energy consumption can be reduced, and requirements of high-power reduction gears can be satisfied.
Description
Technical field
The utility model relates to field of bearings, particularly relates to a kind of novel selfaligning roller bearing that allows wide-angle deflection.
Background technique
Selfaligning roller bearing has two row rollers, mainly bears radial load, also can bear the thrust load of either direction simultaneously.Higher radial capacity is arranged, and the load carrying capacity of the type bearing is larger, has preferably impact resistance, and in general the working speed that allows of selfaligning roller bearing is lower, is applicable to work under heavy duty or the oscillating load.
Allow the deflection of several angle between the selfaligning roller bearing inner ring of general type and the outer ring, in the deflection when the rolling element of bearing inside reaches the end face of outer ring, deflection angle has just reached the limit, and the deflection angle of selfaligning roller bearing permission is 2 ° ~ 3 ° generally speaking.
For the selfaligning roller bearing that applies to high-power gear reducer, owing to require the deflection angle between bearing inner race and the outer ring larger, so the selfaligning roller bearing of general type can't satisfy its requirement.The deflection angle that general main frame requires need reach 5 ° ~ 6 °, and the selfaligning roller bearing of general type is because outer ring width and inner race width are measure-alike, the retainer that two row rolling elements between inner ring and the outer ring rely on two steel plate puncheds to form connects respectively, so that the wrapping angle between rolling element and outer ring, the inner ring raceway is bigger than normal, and inner ring drives rolling element and retainer is less in the angle of outer ring raceway intrinsic deflection, can't satisfy the demand of main frame.
The model utility content
The technical problem that the utility model mainly solves provides a kind of novel selfaligning roller bearing that allows wide-angle deflection, can reduce wrapping angle, increase the mutual deflection angle of inner ring and outer ring, apply on the speed reducer main frame, can improve the working efficiency of main frame, reduce energy consumption, satisfy the demand of high-power gear reducer.
For solving the problems of the technologies described above, the technological scheme that the utility model adopts is: a kind of novel selfaligning roller bearing that allows wide-angle deflection is provided, comprise: outer ring, inner ring, rolling element and retainer, the width of described outer ring is greater than the width of described inner ring, and described outer ring is provided with spherical raceway, and described rolling element is arranged between the raceway of the spherical raceway of described outer ring and described inner ring by described retainer.
In preferred embodiment of the utility model, described inner ring is two raceway inner rings, be provided with the first raceway and the second raceway, described retainer and rolling element have two groups, between the first raceway of one group of spherical raceway that is arranged at described outer ring and described inner ring, another group is arranged between the second raceway of the spherical raceway of described outer ring and described inner ring.
In preferred embodiment of the utility model, described retainer is plastic cage.
In preferred embodiment of the utility model, the width of described outer ring is the 120%-135% of described inner race width.
In preferred embodiment of the utility model, the wrapping angle of described selfaligning roller bearing reduces 0.5 °-1.5 °.
In preferred embodiment of the utility model, the mutual deflection angle of the inner ring of described selfaligning roller bearing and outer ring is 5 °-6 °.
The beneficial effects of the utility model are: the utility model has disclosed a kind of novel selfaligning roller bearing that allows wide-angle deflection, by increasing to a certain extent the outer ring width, change the mounting point of two row rolling elements, distance between the two row rolling elements is diminished, thereby reduce wrapping angle, increase the mutual deflection angle of inner ring and outer ring, apply on the speed reducer main frame, can improve the working efficiency of main frame, reduce energy consumption, satisfy the demand of high-power gear reducer.
Description of drawings
Fig. 1 is the structural representation that the utility model allows novel selfaligning roller bearing one preferred embodiment of wide-angle deflection;
The mark of each parts is as follows in the accompanying drawing: 1, outer ring, 2, inner ring, 3, rolling element, 4, retainer.
Embodiment
Below in conjunction with accompanying drawing preferred embodiment of the present utility model is described in detail, thereby so that advantage of the present utility model and feature can be easier to be it will be appreciated by those skilled in the art that protection domain of the present utility model is made more explicit defining.
See also Fig. 1, the utility model is embodiment comprise:
A kind of novel selfaligning roller bearing that allows wide-angle deflection, comprise: outer ring 1, inner ring 2, rolling element 3 and retainer 4, the width of described outer ring 1 is greater than the width of described inner ring 2, and described outer ring 1 is provided with spherical raceway, and described rolling element 3 is arranged between the raceway of the spherical raceway of described outer ring 1 and described inner ring 2 by described retainer 4.
Wherein, described inner ring 2 is two raceway inner rings, be provided with the first raceway and the second raceway, described retainer 4 and rolling element 3 have two groups, between the first raceway of one group of spherical raceway that is arranged at described outer ring 1 and described inner ring 2, another group is arranged between the second raceway of the spherical raceway of described outer ring 1 and described inner ring 2.
Described retainer 4 is plastic cage, and its pliability is strong, is convenient to the assembling of inner ring 2 and outer ring 1.
The width of described outer ring 1 is the 120%-135% of the width of described inner ring 2.
The wrapping angle of described selfaligning roller bearing reduces 0.5 °-1.5 °.
The inner ring 2 of described selfaligning roller bearing and the mutual deflection angle between the outer ring 1 are 5 °-6 °.
Embodiment one:
Take selfaligning roller bearing 23224CC as example, as shown in Figure 1, it comprises: outer ring 1, inner ring 2, rolling element 3 and retainer 4, the width of described outer ring 1 is greater than the width of described inner ring 2, and described outer ring 1 is provided with spherical raceway, described inner ring 2 is two raceway inner rings, be provided with the first raceway and the second raceway, described retainer 4 and rolling element 3 have two groups, between the first raceway of one group of spherical raceway that is arranged at described outer ring 1 and described inner ring 2, another group is arranged between the second raceway of the spherical raceway of described outer ring 1 and described inner ring 2.
Its boundary dimension is: internal diameter size 120mm * outside dimension 215mm * inner ring 2 width dimensions 76mm, and outer ring 1 width dimensions is 95mm, is 125% of inner ring 2 width dimensions; Simultaneously the mounting distance of two groups of rolling elements 3 diminishes, so that wrapping angle has reduced 0.77 °, is reduced to 12 ° by original 12.77 °; Like this, because outer ring 1 width increases, so that the face size of outer ring 1 diminishes, mutual deflection angle can increase to 6 ° between this bearing inner race 2 and the outer ring 1 from original 2 °; In addition, retainer 4 changes the stronger plastic cage of flexility into by original steel plate punched retainer, is convenient to the assembling of bearing inner race 2 and outer ring 1.
Embodiment two:
Take selfaligning roller bearing 22322CC as example, as shown in Figure 1, it comprises: outer ring 1, inner ring 2, rolling element 3 and retainer 4, the width of described outer ring 1 is greater than the width of described inner ring 2, and described outer ring 1 is provided with spherical raceway, described inner ring 2 is two raceway inner rings, be provided with the first raceway and the second raceway, described retainer 4 and rolling element 3 have two groups, between the first raceway of one group of spherical raceway that is arranged at described outer ring 1 and described inner ring 2, another group is arranged between the second raceway of the spherical raceway of described outer ring 1 and described inner ring 2.
Its boundary dimension is: internal diameter size 110mm * outside dimension 240mm * inner ring 2 width dimensions 80mm, and outer ring 1 width dimensions is 105mm, is 131.25% of inner ring 2 width dimensions; Simultaneously the mounting distance of two groups of rolling elements 3 diminishes, so that wrapping angle has reduced 0.6 °, is reduced to 12.5 ° by original 13.1 °; Like this, because outer ring 1 width increases, so that the face size of outer ring 1 diminishes, mutual deflection angle can increase to 5 ° between this bearing inner race 2 and the outer ring 1 from original 3 °; In addition, retainer 4 changes the stronger plastic cage of flexility into by original steel plate punched retainer, is convenient to the assembling of bearing inner race 2 and outer ring 1.
The utility model has disclosed a kind of novel selfaligning roller bearing that allows wide-angle deflection, by increasing to a certain extent the outer ring width, change the mounting point of two row rolling elements, distance between the two row rolling elements is diminished, thereby reduce wrapping angle, increase the mutual deflection angle of inner ring and outer ring, apply on the speed reducer main frame, can improve the working efficiency of main frame, reduce energy consumption, satisfy the demand of high-power gear reducer.
The above only is embodiment of the present utility model; be not so limit claim of the present utility model; every equivalent structure or equivalent flow process conversion that utilizes the utility model specification and accompanying drawing content to do; or directly or indirectly be used in other relevant technical fields, all in like manner be included in the scope of patent protection of the present utility model.
Claims (5)
1. novel selfaligning roller bearing that allows wide-angle deflection, it is characterized in that, comprise: outer ring, inner ring, rolling element and retainer, the width of described outer ring is greater than the width of described inner ring, and described outer ring is provided with spherical raceway, and described rolling element is arranged between the raceway of the spherical raceway of described outer ring and described inner ring by described retainer.
2. the novel selfaligning roller bearing of permission wide-angle deflection according to claim 1, it is characterized in that, described inner ring is two raceway inner rings, be provided with the first raceway and the second raceway, described retainer and rolling element have two groups, between the first raceway of one group of spherical raceway that is arranged at described outer ring and described inner ring, another group is arranged between the second raceway of the spherical raceway of described outer ring and described inner ring.
3. the novel selfaligning roller bearing of permission wide-angle deflection according to claim 1 is characterized in that, described retainer is plastic cage.
4. the novel selfaligning roller bearing of permission wide-angle deflection according to claim 1 is characterized in that, the width of described outer ring is the 120%-135% of described inner race width.
5. the novel selfaligning roller bearing of permission wide-angle deflection according to claim 1 is characterized in that, the mutual deflection angle of the inner ring of described selfaligning roller bearing and outer ring is 5 °-6 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220376257 CN202833639U (en) | 2012-08-01 | 2012-08-01 | Novel self-aligning roller bearing capable of deflecting at wide angles |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220376257 CN202833639U (en) | 2012-08-01 | 2012-08-01 | Novel self-aligning roller bearing capable of deflecting at wide angles |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202833639U true CN202833639U (en) | 2013-03-27 |
Family
ID=47945352
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220376257 Expired - Lifetime CN202833639U (en) | 2012-08-01 | 2012-08-01 | Novel self-aligning roller bearing capable of deflecting at wide angles |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202833639U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102767566A (en) * | 2012-08-01 | 2012-11-07 | 优必胜（苏州）轴承有限公司 | Novel self-aligning roller bearing allowing wide-angle deflection |
-
2012
- 2012-08-01 CN CN 201220376257 patent/CN202833639U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102767566A (en) * | 2012-08-01 | 2012-11-07 | 优必胜（苏州）轴承有限公司 | Novel self-aligning roller bearing allowing wide-angle deflection |
| CN102767566B (en) * | 2012-08-01 | 2014-12-17 | 优必胜（苏州）轴承有限公司 | Novel self-aligning roller bearing allowing wide-angle deflection |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130327 |