CN218644667U - Four-point contact cylindrical roller bearing retainer - Google Patents
Four-point contact cylindrical roller bearing retainer Download PDFInfo
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- CN218644667U CN218644667U CN202223012113.2U CN202223012113U CN218644667U CN 218644667 U CN218644667 U CN 218644667U CN 202223012113 U CN202223012113 U CN 202223012113U CN 218644667 U CN218644667 U CN 218644667U
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- boss
- cylindrical roller
- roller bearing
- point contact
- bearing retainer
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Abstract
The application discloses a four-point contact cylindrical roller bearing retainer, which comprises a body, wherein the body comprises an upper end ring, a lower end ring and a cross beam, two ends of the cross beam are respectively connected with the two end rings along the axial direction, and the cross beams are arranged along the circumferential direction; the side walls of two adjacent crossbeams and the inner side end faces of two end rings form roller holes for accommodating cylindrical rollers; two bosses are symmetrically arranged on two side walls of each cross beam in the axial direction; the boss is arranged close to the end ring; one surface of the boss facing the side face of the body is a slope pressing inclined plane which inclines along the direction of the inner portion of the roller hole to the outer flaring. The lateral wall of crossbeam sets up the boss at axial direction symmetry to be close to the end links setting, make the location that the boss can be firm pin cylindrical roller, four bosss can make four-point contact cylindrical roller bearing holder at high-speed rotation in-process atress even, and cylindrical roller also atress is even, is fit for high load cylindrical roller bearing holder, has the advantage that bearing capacity is good.
Description
Technical Field
The utility model relates to a high load cylindrical roller bearing keeps ware technical field, concretely relates to four point contact cylindrical roller bearing keeps ware.
Background
The window holes of the existing high-load cylindrical roller bearing retainer for assembling and isolating the cylindrical rollers are generally rectangular, a cross beam is formed between the adjacent window holes, the contact area between the side wall of the cross beam and the side surface of the cylindrical roller is large, large sliding friction and abrasion exist, the storage space of lubricating grease is small, the lubricating grease cannot be fully circulated, the lubricating performance and the heat dissipation performance are influenced, and the service life of the bearing retainer is short.
Therefore, a high-load cylindrical roller bearing retainer having a small contact area and a large oil storage space is urgently required.
SUMMERY OF THE UTILITY MODEL
To solve the technical problems set forth in the above background, the present application aims to propose a four-point contact cylindrical roller bearing retainer.
In order to achieve the purpose, the technical scheme is as follows:
a four-point contact cylindrical roller bearing retainer comprises a body, wherein the body comprises an upper end ring, a lower end ring and a cross beam, two ends of the cross beam are respectively connected with the two end rings along the axial direction, and the cross beam is arranged along the circumferential direction; the side walls of the two adjacent crossbeams and the inner side end faces of the two end rings form roller holes for accommodating cylindrical rollers; two bosses are symmetrically arranged on two side walls of each cross beam in the axial direction; the boss is disposed proximate the end ring; the side, facing the side face of the body, of the boss is a slope pressing inclined plane, and the slope pressing inclined plane inclines along the direction of the inner portion of the roller hole to the outer flaring.
With this, the lateral wall of the crossbeam of this application sets up the boss at axial direction symmetry to being close to the end links setting, four bosss in every roller hole can cooperate with four parts of cylindrical roller last symmetry, cylindrical roller is pinned in the location that the boss can stabilize, four bosss can make four point contact cylindrical roller bearing holder atress at high-speed rotation in-process even, cylindrical roller also atress is even, be fit for high load cylindrical roller bearing holder, have the advantage that bearing capacity is good. And the groove-shaped structures among the four bosses and between the bosses and the end rings can increase the storage and circulation space of the lubricating grease, and improve the lubricating and heat dissipation performance. The slope inclined plane of pressing on the boss can provide the direction function for lubricating grease better flows into in the clearance between boss and the cylindrical roller, and cylindrical roller's side and the contact of slope inclined plane of pressing can reduce the area of contact of crossbeam and cylindrical roller, reduce the friction, increase of service life.
As an alternative implementation of the four-point contact cylindrical roller bearing cage, the boss is located at a height position of one quarter of the cross beam in the axial direction. Therefore, the lug boss can be stably contacted with the four corner parts of the cylindrical roller, so that the structural part of the cylindrical roller close to the edge is stably fixed, the cylindrical roller is more stable, and the bearing performance is good.
As an alternative implementation of the four-point contact cylindrical roller bearing retainer, the boss is a trapezoidal boss. The trapezoidal boss can strengthen the structural strength of the boss, and the maximum bearing of the four-point contact cylindrical roller bearing retainer is further increased, so that the retainer and the cylindrical roller can operate more stably.
As an alternative implementation of the four-point contact cylindrical roller bearing retainer, the side of the boss close to the end face of the end ring is parallel to the end face; the side of the boss far away from the end face is a boss inclined face, and each boss inclined face is inclined along the side wall of the cross beam towards the end face close to the boss on the body at the position. One side of the boss close to the end face of the end ring is parallel to the end face, so that the distance between the boss and the end ring can be reduced, and the boss can be freely arranged; the side that the terminal surface was kept away from to the boss is the boss inclined plane, and every boss inclined plane inclines to the terminal surface that is close to the boss that is close the body on the lateral wall of crossbeam place, can strengthen the structural strength of boss, increases the biggest of four point contact cylindrical roller bearing retainer and bears for holder self and cylindrical roller move more firmly.
As an alternative implementation of the four-point contact cylindrical roller bearing retainer, the ramp slope is provided with a first oil groove arranged in the radial direction of the end ring. Therefore, the circulation space of the lubricating grease inside and outside the bearing retainer is enlarged, particularly the circulation of the lubricating grease between the lug boss and the cylindrical roller, and the heat dissipation of the cylindrical roller during rotation is increased.
As an alternative implementation of the four-point contact cylindrical roller bearing cage, the first oil groove is concave in a direction away from the roller bore.
As an alternative implementation of the four-point contact cylindrical roller bearing retainer, the ramp slope is provided with a second oil groove arranged in the axial direction of the end ring. With this, increase the storage space of lubricated grease, especially the storage of the lubricated grease between boss and the cylindrical roller, when cylindrical roller rotates, can drive lubricated grease and store in the second oil groove to the curved surface lateral wall of lubricated cylindrical roller when cylindrical roller rotates can be lubricated to the lubricated grease in the second oil groove, improves lubricating property.
As an alternative implementation of the four-point contact cylindrical roller bearing cage, the second oil groove is concave in a direction away from the roller hole.
As an alternative implementation of the four-point contact cylindrical roller bearing retainer, the inner side surface of the body is provided with a limit boss along the boss in the radial direction. Therefore, when the double-row cylindrical roller bearing is used in the double-row cylindrical roller bearing, the limiting bulge can be matched with the bearing inner sleeve, so that the retainer is blocked to slide downwards, the two axially parallel retainers are separated, and the large friction between the two retainers is prevented.
As an alternative implementation of the four-point contact cylindrical roller bearing retainer, the limit boss is an arc-shaped limit boss.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and do not constitute a limitation on the invention. In the drawings:
FIG. 1 is a perspective view of an exemplary embodiment of a four-point contact cylindrical roller bearing retainer;
FIG. 2 is an enlarged schematic view of the structure at A in FIG. 1;
fig. 3 is an enlarged schematic view of the structure at B in fig. 1.
Description of the reference numerals:
1. a body; 11. an end ring; 12. a cross beam; 13. a roller hole; 14. a boss; 141. a boss inclined plane; 15. pressing a slope; 16. and a limiting boss.
Detailed Description
In order to clearly understand the technical features, objects, and effects of the present invention, embodiments of the present invention will be described with reference to the accompanying drawings, wherein the same reference numerals in the drawings denote the same components or similar components.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the scope of the present invention is not limited by the specific embodiments disclosed below.
Referring to fig. 1-3, the present application provides a four-point contact cylindrical roller bearing retainer, which includes a body 1, the body 1 includes an upper end ring 11, a lower end ring 11 and a cross beam 12, two ends of the cross beam 12 respectively connect the two end rings 11 along an axial direction, the cross beam 12 is arranged along a circumferential direction; the side walls of two adjacent crossbeams 12 and the inner side end faces of two end rings 11 form roller holes 13 for accommodating cylindrical rollers; two bosses 14 are symmetrically arranged on two side walls of each cross beam 12 in the axial direction; the boss 14 is disposed near the end ring 11; one surface of the boss 14 facing the side surface of the body 1 is a slope pressing inclined surface 15, and the slope pressing inclined surface 15 inclines along the direction of the roller hole 13 flaring outwards.
With this, the lateral wall of crossbeam 12 of this application sets up boss 14 at axial direction symmetry to being close to end ring 11 and setting, four bosses 14 in every roller hole 13 can cooperate with four parts of cylindrical roller last symmetry, cylindrical roller is pinned in the location that boss 14 can stabilize, four bosses 14 can make four point contact cylindrical roller bearing retainer atress at high-speed rotation in-process even, cylindrical roller also atress is even, be fit for high load cylindrical roller bearing retainer, have the advantage that bearing capacity is good. Moreover, the groove-shaped structures among the four bosses 14 and between the bosses 14 and the end ring 11 can increase the storage and circulation space of the lubricating grease and improve the lubricating and heat dissipation performance. The slope inclined plane 15 of pressing on the boss 14 can provide the direction function for lubricating grease better flows into the clearance between boss 14 and the cylindrical roller, and the side and the slope inclined plane 15 contact of cylindrical roller can reduce the area of contact of crossbeam 12 and cylindrical roller, reduce the friction, increase of service life.
In a specific embodiment, the bosses 14 are the same in size, so that the four-point contact cylindrical roller bearing retainer is more uniformly stressed in the high-speed rotation process, the cylindrical rollers are more uniformly stressed, the four-point contact cylindrical roller bearing retainer is more suitable for a high-load cylindrical roller bearing retainer, and the four-point contact cylindrical roller bearing retainer has the advantage of good bearing performance.
In a specific embodiment of the four-point contact cylindrical roller bearing retainer, the boss 14 is located at a height position of one quarter of the cross beam 12 in the axial direction. Therefore, the boss 14 can be stably contacted with the four corner parts of the cylindrical roller, so that the structural part of the cylindrical roller close to the edge is stabilized, the cylindrical roller is more stable, and the bearing performance is good.
In a specific embodiment of a four-point contact cylindrical roller bearing retainer, the bosses 14 are trapezoidal bosses 14. The trapezoidal boss 14 can enhance the structural strength of the boss 14, further increasing the maximum load of the four-point contact cylindrical roller bearing retainer, so that the retainer and the cylindrical rollers can operate more stably.
In a specific embodiment of a four-point contact cylindrical roller bearing retainer, the side of the boss 14 that is closer to the end face of the end ring 11 is parallel to the end face; the side of the boss 14 away from the end face is a boss inclined face 141, and each boss inclined face 141 inclines towards the end face close to the boss 14 on the body 1 and closer to the side along the side wall of the beam 12. The side of the boss 14 close to the end face of the end ring 11 is parallel to the end face, so that the distance between the boss 14 and the end ring 11 can be reduced, and the boss 14 can be freely arranged; the side of the boss 14 far from the end face is a boss inclined face 141, and each boss inclined face 141 inclines towards the end face close to the boss 14 on the body 1 and close to the end face at the position of the cross beam 12, so that the structural strength of the boss 14 can be enhanced, the maximum bearing capacity of the four-point contact cylindrical roller bearing retainer is increased, and the retainer and the cylindrical roller can operate more stably.
In a specific embodiment of the four-point contact cylindrical roller bearing retainer, the ramp slope 15 is provided with a first oil groove provided in the radial direction of the end ring 11. Therefore, the circulation space of the lubricating grease inside and outside the bearing retainer, particularly the circulation of the lubricating grease between the lug boss 14 and the cylindrical roller is enlarged, and the heat dissipation of the cylindrical roller during rotation is increased.
In a specific embodiment of a four-point contact cylindrical roller bearing retainer, the first oil groove is recessed in a direction away from the roller hole 13. The depth of the first oil groove is increased.
In a specific embodiment of the four-point contact cylindrical roller bearing retainer, the ramp slope 15 is provided with a second oil groove provided in the axial direction of the end ring 11. With this, increase the storage space of lubricated grease, especially the storage of the lubricated grease between boss 14 and the cylindrical roller, when the cylindrical roller rotates, can drive lubricated grease and store in the second oil groove to the curved surface lateral wall of lubricated cylindrical roller when the cylindrical roller rotates can be lubricated to the lubricated grease in the second oil groove, improves lubricating property.
In a specific embodiment of the four-point contact cylindrical roller bearing retainer, the second oil groove is recessed in a direction away from the roller hole 13. The depth of the second oil groove is increased.
In a specific embodiment of a four-point contact cylindrical roller bearing retainer, the inner side of the body 1 is provided with a limit boss 16 along the radial direction boss 14. Therefore, when the double-row cylindrical roller bearing is used in the double-row cylindrical roller bearing, the limiting bulge can be matched with the bearing inner sleeve, so that the retainer is blocked from sliding downwards, two axially parallel retainers are separated, and large friction is prevented from being generated between the two retainers.
In a specific embodiment of the four-point contact cylindrical roller bearing retainer, the limit boss 16 is an arc-shaped limit boss 16.
The embodiments in the present specification are described in a progressive manner, and the same and similar parts among the embodiments are referred to each other, and each embodiment focuses on the differences from the other embodiments. In particular, for the system embodiment, since it is substantially similar to the method embodiment, the description is simple, and for the relevant points, reference may be made to the partial description of the method embodiment.
The above are merely examples of the present invention, and are not intended to limit the present invention. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.
Claims (10)
1. A four-point contact cylindrical roller bearing retainer, comprising:
the end rings are arranged on the upper end ring and the lower end ring respectively, the cross beam is arranged on the lower end ring and the cross beam, and the cross beam is arranged on the upper end ring and the lower end ring; the side walls of the two adjacent crossbeams and the inner side end faces of the two end rings form roller holes for accommodating cylindrical rollers; two bosses are symmetrically arranged on two side walls of each cross beam in the axial direction; the boss is disposed proximate the end ring; one surface of the boss facing the side face of the body is a slope pressing inclined surface, and the slope pressing inclined surface inclines along the direction of the inner portion of the roller hole to the outer flaring.
2. The four-point contact cylindrical roller bearing retainer of claim 1, wherein said boss is located at a height of one quarter of said cross-beam in the axial direction.
3. The four-point contact cylindrical roller bearing retainer of claim 1, wherein said boss is a trapezoidal boss.
4. The four-point contact cylindrical roller bearing retainer of claim 3, wherein a side of said boss proximate an end face of said end ring is parallel to said end face; the side of the boss far away from the end face is a boss inclined face, and each boss inclined face is inclined along the side wall of the cross beam towards the end face close to the boss on the body at the position.
5. The four-point contact cylindrical roller bearing retainer of claim 1, wherein said ramp surface is provided with a first oil groove disposed in a radial direction of said end ring.
6. The four-point contact cylindrical roller bearing retainer of claim 5, wherein said first oil groove is concave in a direction away from said roller bore.
7. The four-point contact cylindrical roller bearing retainer of claim 1, wherein said ramp surface is provided with a second oil groove provided in an axial direction of said end ring.
8. The four-point contact cylindrical roller bearing retainer of claim 7, wherein said second oil groove is concave in a direction away from said roller bore.
9. The four-point contact cylindrical roller bearing retainer of claim 1, wherein the inner side of the body is provided with a limit boss along the radial direction boss.
10. The four-point contact cylindrical roller bearing retainer of claim 9, wherein said limit boss is an arcuate limit boss.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223012113.2U CN218644667U (en) | 2022-11-11 | 2022-11-11 | Four-point contact cylindrical roller bearing retainer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223012113.2U CN218644667U (en) | 2022-11-11 | 2022-11-11 | Four-point contact cylindrical roller bearing retainer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218644667U true CN218644667U (en) | 2023-03-17 |
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ID=85497447
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223012113.2U Active CN218644667U (en) | 2022-11-11 | 2022-11-11 | Four-point contact cylindrical roller bearing retainer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218644667U (en) |
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2022
- 2022-11-11 CN CN202223012113.2U patent/CN218644667U/en active Active
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