CN216554958U - Welded support retainer hollow roller bearing - Google Patents
Welded support retainer hollow roller bearing Download PDFInfo
- Publication number
- CN216554958U CN216554958U CN202123334112.5U CN202123334112U CN216554958U CN 216554958 U CN216554958 U CN 216554958U CN 202123334112 U CN202123334112 U CN 202123334112U CN 216554958 U CN216554958 U CN 216554958U
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- bearing
- roller
- retainer
- center pillar
- outer ring
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Abstract
The utility model discloses a welded support holder hollow roller bearing which comprises a bearing inner ring, a bearing outer ring, a first bearing roller, a fitting groove and a welding hole, wherein the bearing inner ring is provided with the bearing outer ring, the bearing outer ring is provided with the first bearing roller, the bearing outer ring is provided with a second bearing roller, the bearing outer ring is provided with a first outer retainer ring, the bearing outer ring is provided with a second outer retainer ring, and the first bearing roller is provided with a central support. The welded support retainer hollow roller bearing is provided with hollow rollers, and the first bearing roller and the second bearing roller are both designed to be hollow. The bearing has the advantages that the flexibility of the roller is good, the bearing capacity of the bearing is improved, the wear resistance is improved, the service life of the bearing is prolonged, the center pillar is doubly supported through the first bearing roller and the second bearing roller, the stability of the center pillar is improved, and the inclination of the center pillar is reduced.
Description
Technical Field
The utility model relates to the technical field of roller bearings, in particular to a welded support retainer hollow roller bearing.
Background
Roller bearings are one type of rolling bearings, one of the components widely used in modern machinery. It relies on rolling contact between the primary elements to support the rotating parts. Roller bearings are now mostly standardized. The roller bearing has the advantages of small moment required by starting, high rotation precision, convenience in selection and the like, the bearing is divided into a ball bearing and a roller bearing according to a rolling force body, and the roller bearing supports rotating parts by means of rolling contact among main parts. Different roller bearings may be subjected to different radial and axial forces. In selecting a roller bearing, the choice will be made according to the particular operating conditions. Roller bearing mainly has structure types such as self-aligning roller bearing, thrust self-aligning roller bearing, tapered roller and cylindrical roller bearing, and current roller bearing's roller pliability is relatively poor, leads to the bearing to wear seriously in the long-term in-process of using, has reduced the life of bearing.
We have therefore proposed a welded-strut cage hollow roller bearing in order to solve the problems set out above.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a welded support column retainer hollow roller bearing, which aims to solve the problems that the roller flexibility of the existing roller bearing in the market is poor, the bearing is seriously abraded in the long-term use process, and the service life of the bearing is shortened.
In order to achieve the purpose, the utility model provides the following technical scheme: a welded strut cage hollow roller bearing comprises a bearing inner ring, a bearing outer ring, a first bearing roller, a fitting groove and a welding hole, a bearing outer ring is arranged on the bearing inner ring, a first bearing roller is arranged on the bearing outer ring, and a second bearing roller is arranged on the bearing outer ring, a first outer retainer ring is arranged on the bearing outer ring, and a second outer retainer ring is arranged on the bearing outer ring, a central pillar is arranged on the first bearing roller, a first retainer gasket is arranged on the central pillar, and a second retainer washer is arranged on the central strut, a connecting rod is arranged on the central strut, and the central pillar is provided with an installation block, the central pillar is provided with an installation groove, the second bearing roller is provided with a central hole, the installation block is provided with a fitting groove, and the fitting groove is internally provided with a welding hole.
Preferably, the first bearing roller is of a rotary structure inside the bearing outer ring, and the length of the first bearing roller is equal to the length of the second bearing roller, and the outer diameter of the second bearing roller is equal to the outer diameter of the first bearing roller.
Preferably, the center pillar is in rotational relationship with the first bearing roller, and the center pillar has an outer diameter equal to the inner diameter of the center bore and a length greater than twice the length of the first bearing roller.
Preferably, two first cage washers are distributed on the central pillar, the outer diameter of each first cage washer is equal to that of each second cage washer, and the outer diameter of each second cage washer is larger than the inner diameter of the central hole.
Preferably, the number of the second retainer washers is two at the left end and the right end of the center pillar, the second retainer washer is connected with the center pillar by welding, and the center pillar is connected with the first retainer washer by welding.
Preferably, the outer diameter of the mounting block is larger than that of the central pillar, the size of the mounting block corresponds to that of the fitting groove, and two mounting blocks are distributed at the left end and the right end of the central pillar.
Compared with the prior art, the utility model has the beneficial effects that: the welded strut retainer hollow roller bearing is provided with a plurality of rollers,
(1) the bearing is provided with a hollow roller, and the first bearing roller and the second bearing roller are both designed to be hollow. The roller is good in flexibility, the bearing capacity of the bearing is improved, the wear resistance is improved, the service life of the bearing is prolonged, the first bearing roller and the second bearing roller are used for carrying out double support on the central support, the stability of the central support is improved, and the inclination of the central support is reduced;
(2) the roller is provided with the first retainer gasket and the second retainer gasket, the first retainer gasket and the second retainer gasket are connected with the central pillar through welding, the welding mode can improve the structural stability of the perforated central pillar, the rotation flexibility is ensured, the roller is designed by carburizing steel and bearing steel for a ferrule, the impact resistance is good, the service life is long, and the anti-straightening torque load is large.
Drawings
FIG. 1 is a schematic view of a vertical cross-section of the present invention;
FIG. 2 is a schematic view of a first bearing roller according to the present invention;
FIG. 3 is a schematic view of the center pillar structure of the present invention;
FIG. 4 is a side view of the mounting block of the present invention.
In the figure: 1. a bearing inner race; 2. a bearing outer race; 3. a first bearing roller; 4. a second bearing roller; 5. a first outer retainer ring; 6. a second outer retainer ring; 7. a center pillar; 8. a first cage washer; 9. a second cage washer; 10. a connecting rod; 11. mounting blocks; 12. mounting grooves; 13. a central bore; 14. a fitting groove; 15. and (6) welding the holes.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides a technical solution: a welded strut retainer hollow roller bearing comprises a bearing inner ring 1, a bearing outer ring 2, a first bearing roller 3, a second bearing roller 4, a first outer retainer ring 5, a second outer retainer ring 6, a central strut 7, a first retainer washer 8, a second retainer washer 9, a connecting rod 10, an installation block 11, an installation groove 12, a central hole 13, a fitting groove 14 and a welding hole 15, wherein the bearing inner ring 1 is provided with the bearing outer ring 2, the bearing outer ring 2 is provided with the first bearing roller 3, the bearing outer ring 2 is provided with the second bearing roller 4, the bearing outer ring 2 is provided with the first outer retainer ring 5, the bearing outer ring 2 is provided with the second outer retainer ring 6, the first bearing roller 3 is provided with the central strut 7, the central strut 7 is provided with the first retainer washer 8, the central strut 7 is provided with the second retainer washer 9, the central strut 7 is provided with the connecting rod 10, and the central pillar 7 is provided with an installation block 11, the central pillar 7 is provided with an installation groove 12, the second bearing roller 4 is provided with a central hole 13, the installation block 11 is provided with a fitting groove 14, and the fitting groove 14 is internally provided with a welding hole 15.
The first bearing roller 3 is of a rotating structure inside the bearing outer ring 2, and the length of the first bearing roller 3 is equal to the length of the second bearing roller 4, and the outer diameter of the second bearing roller 4 is equal to the outer diameter of the first bearing roller 3, so that the center pillar 7 is supported by the first bearing roller 3 and the second bearing roller 4 at the same time.
The center post 7 is in rotational relationship with the first bearing roller 3, and the outer diameter of the center post 7 is equal to the inner diameter of the center bore 13, and the length of the center post 7 is greater than twice the length of the first bearing roller 3, facilitating rotation of the first bearing roller 3 on the center post 7.
Two first retainer washers 8 are distributed on the center pillar 7, the outer diameter of each first retainer washer 8 is equal to the outer diameter of each second retainer washer 9, and the outer diameter of each second retainer washer 9 is larger than the inner diameter of the center hole 13, so that the first retainer washers 8 limit the rotation of the first bearing rollers 3.
Two second retainer washers 9 are distributed at the left end and the right end of the central support 7, the second retainer washers 9 are welded with the central support 7, and the central support 7 is welded with the first retainer washers 8, so that the welded connection is firmer.
The outer diameter of the mounting blocks 11 is larger than that of the central pillar 7, the size of the mounting blocks 11 corresponds to that of the fitting grooves 14, two mounting blocks 11 are distributed at the left end and the right end of the central pillar 7, and the mounting blocks 11 are used for reinforcing the welding of the second retainer gasket 9.
The working principle is as follows: when the welded strut cage hollow roller bearing is used, the welded strut cage hollow roller bearing is first installed in a place where it is needed, the first cage washer 8 and the second cage washer 9 are installed on the center strut 7 by a welding connection method, the first bearing roller 3 and the second bearing roller 4 are limited by the left-right matching of the first cage washer 8 and the second cage washer 9, the first bearing roller 3 and the second bearing roller 4 are ensured to be positioned and rotated on the center strut 7, the center strut 7 assists and fixes the welding of the second cage washer 9 by the installation block 11, and the welding of the first cage washer 8 is assisted by the installation groove 12.
When the center pillar 7 is in operation, the first bearing roller 3 and the second bearing roller 4 rotate in the bearing inner ring 1, the first bearing roller 3 and the second bearing roller 4 are supported by the bearing outer ring 2, the first bearing roller 3 and the second bearing roller 4 are processed by convexity, the anti-straightening torsional force load is large, and the content which is not described in detail in the specification belongs to the prior art which is well known to a person skilled in the art.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the utility model can be made, and equivalents and modifications of some features of the utility model can be made without departing from the spirit and scope of the utility model.
Claims (6)
1. The utility model provides a welding pillar holder hollow roller bearing, includes bearing inner race (1), bearing outer lane (2), first bearing roller (3), laminating groove (14) and welding hole (15), its characterized in that: the bearing inner ring (1) is provided with a bearing outer ring (2), the bearing outer ring (2) is provided with a first bearing roller (3), the bearing outer ring (2) is provided with a second bearing roller (4), the bearing outer ring (2) is provided with a first outer retainer ring (5), the bearing outer ring (2) is provided with a second outer retainer ring (6), the first bearing roller (3) is provided with a center pillar (7), the center pillar (7) is provided with a first retainer gasket (8), the center pillar (7) is provided with a second retainer gasket (9), the center pillar (7) is provided with a connecting rod (10), the center pillar (7) is provided with an installation block (11), the center pillar (7) is provided with an installation groove (12), the second bearing roller (4) is provided with a center hole (13), the mounting block (11) is provided with a fitting groove (14), and a welding hole (15) is formed in the fitting groove (14).
2. The welded strut cage hollow roller bearing according to claim 1, wherein: the first bearing roller (3) is of a rotating structure in the bearing outer ring (2), the length of the first bearing roller (3) is equal to that of the second bearing roller (4), and the outer diameter of the second bearing roller (4) is equal to that of the first bearing roller (3).
3. The welded strut cage hollow roller bearing according to claim 1, wherein: the center pillar (7) and the first bearing roller (3) are in a rotating relationship, the outer diameter of the center pillar (7) is equal to the inner diameter of the center hole (13), and the length of the center pillar (7) is larger than twice of the length of the first bearing roller (3).
4. The welded strut cage hollow roller bearing according to claim 1, wherein: the two first retainer gaskets (8) are distributed on the central strut (7), the outer diameter of each first retainer gasket (8) is equal to that of each second retainer gasket (9), and the outer diameter of each second retainer gasket (9) is larger than the inner diameter of the central hole (13).
5. The welded strut cage hollow roller bearing according to claim 1, wherein: the two second retainer gaskets (9) are distributed at the left end and the right end of the central support post (7), the second retainer gasket (9) is connected with the central support post (7) in a welding mode, and the central support post (7) is connected with the first retainer gasket (8) in a welding mode.
6. The welded strut cage hollow roller bearing according to claim 1, wherein: the outer diameter of the mounting block (11) is larger than that of the central support post (7), the size of the mounting block (11) corresponds to that of the fitting groove (14), and two mounting blocks (11) are distributed at the left end and the right end of the central support post (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123334112.5U CN216554958U (en) | 2021-12-28 | 2021-12-28 | Welded support retainer hollow roller bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123334112.5U CN216554958U (en) | 2021-12-28 | 2021-12-28 | Welded support retainer hollow roller bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216554958U true CN216554958U (en) | 2022-05-17 |
Family
ID=81558283
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123334112.5U Active CN216554958U (en) | 2021-12-28 | 2021-12-28 | Welded support retainer hollow roller bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216554958U (en) |
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2021
- 2021-12-28 CN CN202123334112.5U patent/CN216554958U/en active Active
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