CN212155483U - Wear-resistant outer guiding copper retainer for self-aligning roller bearing - Google Patents
Wear-resistant outer guiding copper retainer for self-aligning roller bearing Download PDFInfo
- Publication number
- CN212155483U CN212155483U CN202020496421.9U CN202020496421U CN212155483U CN 212155483 U CN212155483 U CN 212155483U CN 202020496421 U CN202020496421 U CN 202020496421U CN 212155483 U CN212155483 U CN 212155483U
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- Prior art keywords
- holder
- oil groove
- self
- aligning roller
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- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 title claims abstract description 13
- 229910052802 copper Inorganic materials 0.000 title claims abstract description 13
- 239000010949 copper Substances 0.000 title claims abstract description 13
- 238000005096 rolling process Methods 0.000 claims description 13
- 239000003921 oil Substances 0.000 description 22
- 238000010586 diagram Methods 0.000 description 3
- 238000005461 lubrication Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 230000002301 combined effect Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
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- Rolling Contact Bearings (AREA)
Abstract
The utility model discloses a wear-resistant outer guide copper holder for self-aligning roller bearing, the holder is arranged between the bearing inner ring and the outer ring, the holder is an annular holder body, the two sides of the circumference of the annular holder body are provided with uniformly distributed pockets, the top and the bottom of the outer diameter surface of the holder are uniformly provided with circular recesses, and the inner diameter surface of the holder is also provided with uniformly distributed annular grooves; the oil groove in the vertical direction is formed in the bottom of the pocket, and the oil groove in the horizontal direction is formed in the inner side face of the pocket. The utility model discloses a pocket, annular, the cooperation of erecting shape oil groove and oil drain that sets up on the holder are used, have improved the lubricated state of aligning roller with the holder contact surface, have reduced the vulnerability of holder, have effectively increased the life of bearing.
Description
Technical Field
The utility model belongs to aligning roller bearing field mainly relates to an aligning roller bearing is with wear-resisting outer guide copper holder.
Background
Self-aligning roller bearings, which are industrial base parts, are widely used in the fields of wind power equipment, industrial gear boxes, mining equipment, port equipment, metallurgical equipment, petroleum equipment and the like. The retainer is one of core parts in the bearing, and when the rolling bearing works, particularly when the load is complex and the rolling bearing rotates at high speed, the retainer is subjected to large centrifugal force, impact and vibration, large sliding friction exists between the retainer and the rolling body, and a large amount of heat is generated. The combined effect of force and heat can lead to cage failure, and in severe cases, can cause cage burn and fracture. Therefore, the material of the retainer is required to have good thermal conductivity, good wear resistance, small friction coefficient, smaller density, certain strength and toughness matching, better elasticity and rigidity, expansion coefficient similar to that of the rolling body and good processing property.
Chinese patent publication No. CN101169158A discloses a light and narrow series double-row self-aligning roller bearing with a solid cage, wherein an oil groove is arranged on the central line of the outer ring of the bearing, and oil holes are uniformly distributed on the oil groove; the angle of the small flange of the inner ring is 30 degrees larger than the contact angle of the bearing; the outer diameter of the movable middle retainer ring is a concentric circle smaller than the diameter of the raceway of the outer ring, and the size between the two sides of the movable middle retainer ring is smaller than the minimum inner diameter of the outer ring.
Chinese patent publication No. CN 201100317Y discloses a self-aligning roller bearing for vibration machinery, which is a monolithic solid cage, axial pockets are uniformly distributed on both sides of the cage, and the pockets on both sides are arranged in a cross manner. The outer surface of the circumferential boss is a spherical surface and is in sliding fit with the inner surface of the outer ring.
This patent is the optimization improvement of above publication patent, has improved the lubricated state of aligning roller with the holder contact surface, has reduced the vulnerability of holder, has effectively increased the life of bearing.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a self-aligning roller bearing is with wear-resisting outer guide copper holder can improve the lubricated state and the wearability of self-aligning roller and holder contact surface, has effectively increased the life of bearing.
For realizing the purpose of the utility model, the technical scheme who adopts as follows:
a wear-resistant outer guide copper retainer for a self-aligning roller bearing is characterized in that the retainer is arranged between an inner ring and an outer ring of the bearing and is an annular retainer body, pockets are uniformly distributed on two sides of the circumference of the annular retainer body, circular recesses are uniformly distributed at the top and the bottom of the outer diameter surface of the retainer, and uniformly distributed ring grooves are also formed in the inner diameter surface of the retainer; the oil groove in the vertical direction is formed in the bottom of the pocket, and the oil groove in the horizontal direction is formed in the inner side face of the pocket.
The shape of the pocket is in an eccentric arc shape, the distance between the center of the eccentric arc on the two sides of the pocket and the circle center of the roller rolling surface is L, and the eccentric arc center and the circle center of the roller rolling surface are located on the two sides of the circle center of the roller rolling surface respectively.
The oil groove is communicated with the oil groove.
The pockets are each adjacently spaced at an angle of 30.
Through the utility model discloses an implement, reached good result of use: the utility model provides a self-aligning roller bearing is with wear-resisting outer guide copper holder, uses through the cooperation of the pocket that sets up on the holder, annular, vertical oil groove and oil groove, has improved the lubricated state of self-aligning roller with the holder contact surface, has reduced the vulnerability of holder, has effectively increased the life of bearing.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a sectional view of fig. 1.
Fig. 3 is a schematic diagram of B-B in fig. 2.
Fig. 4 is the eccentric structure diagram of the pocket of the present invention.
In the figure: 1. the bearing comprises an outer ring, 2, a retainer, 3, a recess, 4, a pocket, 5, an annular groove, 6, a vertical oil groove, 7, an oil groove, 8, a roller, 9 and an outer ring oil hole.
Detailed Description
The present invention will be described with reference to the accompanying drawings.
As shown in fig. 1, 2 and 3, the wear-resistant outer guide copper cage for the self-aligning roller bearing is characterized in that a cage 2 is arranged between an inner ring and an outer ring 1 of the bearing, the cage 2 is an annular frame body, pockets 4 are uniformly distributed on two sides of the circumference of the annular frame body, circular recesses 3 are uniformly distributed on the top and the bottom of the outer diameter surface of the cage 2, the recesses 3 are used for storing lubricant, the cage 2 can fully lubricate a guide surface in the rotating process, annular grooves 5 are uniformly distributed on the inner diameter surface of the cage 2, the weight of the cage 2 is reduced by the arrangement of the annular grooves 5, and the oil storage space in the bearing can be increased when the centrifugal force is externally guided; 4 bottoms of pocket hole be provided with the oil groove 7 of vertical direction, the side of pocket hole 4 is provided with the oil groove 6 of horizontal direction, lubricated roller 8 that oil groove 6 and 8 outer surface contact of roller can be better.
The shape of the pocket 4 is an eccentric arc, the distance between the center of the eccentric arc at two sides of the pocket 4 and the circle center of the rolling surface of the roller 8 is L, and the eccentric arc center and the circle center are respectively positioned at two sides of the circle center of the rolling surface of the roller 8; the oil groove 7 is communicated with the oil groove 6, so that the contact part of the roller 8 and the retainer 2 can be fully lubricated in the bearing operation, and the oil groove 7 and the oil groove 6 can also temporarily store worn copper scraps; the adjacent interval angle of each of the concave cavities 3 is 30 degrees; in order to further improve the lubricating property of the bearing, outer ring oil holes 9 are uniformly distributed on the outer circumferential surface of the outer ring 1, and lubricating oil can enter between the retainer 2 and the roller 8 through the outer ring oil holes 9 to play a role in lubrication.
As shown in fig. 4, the center of the rolling surface of the spherical roller 8 is O and the radius is R. The conventional cage pocket is generally shaped with a radius R1The center of the circle is also the circular arc of the point O. Pocket 4 shape be eccentric arc, pocket 4 wherein the eccentric arc center of one side and the centre of a circle of 8 rolling surfaces of roller apart from L (O to O in figure 4)1) Radius R2，R2The value of the (R + L) is 0-1 mm larger than that of the (R + L), and the size of the roller is determined according to the size of the roller 8. The other side of the pocket 4 is designed the same, only eccentric in the other side direction of point O. As shown in the enlarged view, the width of the contact edge of the cage 2 and the roller 8 is increased compared to the conventional pocket shape, facilitating lubrication and heat dissipation.
Above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the design of the present invention, equivalent replacement or change should be covered within the protection scope of the present invention.
Claims (4)
1. The utility model provides a self-aligning roller bearing is with wear-resisting outer guide copper holder, holder (2) set up between bearing inner race and outer lane (1), characterized by: the retainer (2) is an annular retainer body, pockets (4) are uniformly distributed on two sides of the circumference of the annular retainer body, circular recesses (3) are uniformly distributed on the top and the bottom of the outer diameter surface of the retainer (2), and uniformly distributed ring grooves (5) are also arranged on the inner diameter surface of the retainer (2); the bottom of the pocket (4) is provided with an oil groove (7) in the vertical direction, and the side surface of the pocket (4) is provided with an oil groove (6) in the horizontal direction.
2. The wear-resistant outer guiding copper cage for the self-aligning roller bearing according to claim 1, wherein: the shape of the pocket (4) is an eccentric arc, and the distance between the eccentric arc center of the two sides of the pocket (4) and the circle center of the rolling surface of the roller (8) is L, and the eccentric arc center and the circle center are respectively positioned on the two sides of the circle center of the rolling surface of the roller (8).
3. The wear-resistant outer guiding copper cage for the self-aligning roller bearing according to claim 1, wherein: the oil groove (7) is communicated with the oil groove (6).
4. The wear-resistant outer guiding copper cage for the self-aligning roller bearing according to claim 1, wherein: the pockets (3) are each adjacently spaced by an angle of 30 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020496421.9U CN212155483U (en) | 2020-04-08 | 2020-04-08 | Wear-resistant outer guiding copper retainer for self-aligning roller bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020496421.9U CN212155483U (en) | 2020-04-08 | 2020-04-08 | Wear-resistant outer guiding copper retainer for self-aligning roller bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212155483U true CN212155483U (en) | 2020-12-15 |
Family
ID=73724880
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020496421.9U Active CN212155483U (en) | 2020-04-08 | 2020-04-08 | Wear-resistant outer guiding copper retainer for self-aligning roller bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212155483U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116517959A (en) * | 2023-05-11 | 2023-08-01 | 北京理工大学 | High-speed lightweight enhanced heat dissipation bearing retainer |
-
2020
- 2020-04-08 CN CN202020496421.9U patent/CN212155483U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116517959A (en) * | 2023-05-11 | 2023-08-01 | 北京理工大学 | High-speed lightweight enhanced heat dissipation bearing retainer |
| CN116517959B (en) * | 2023-05-11 | 2024-01-09 | 北京理工大学 | High-speed lightweight enhanced heat dissipation bearing retainer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 471039 No. 96, Jianxi, Luoyang District, Henan, Jianshe Road Patentee after: Luoyang Bearing Group Co.,Ltd. Country or region after: China Address before: 471039 No. 96, Jianxi, Luoyang District, Henan, Jianshe Road Patentee before: LUOYANG LYC BEARING Co.,Ltd. Country or region before: China |
|
| CP03 | Change of name, title or address |