CN212615905U - High-rotating-speed bearing - Google Patents
High-rotating-speed bearing Download PDFInfo
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- CN212615905U CN212615905U CN202021015556.5U CN202021015556U CN212615905U CN 212615905 U CN212615905 U CN 212615905U CN 202021015556 U CN202021015556 U CN 202021015556U CN 212615905 U CN212615905 U CN 212615905U
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- dustproof cover
- diameter surface
- clamped
- inner ring
- outer ring
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Abstract
A high-rotating-speed bearing comprises a rotating shaft, wherein a tapered roller and a tapered roller bearing retainer are clamped between an outer ring and a first inner ring, and the tapered roller is arranged on the tapered roller bearing retainer; an outer ring flange is formed on the outer ring, a load is fixed on the outer ring flange, the rotating shaft is fixed on the second inner ring, a steel ball roller and a steel ball roller retainer are clamped between the second inner ring and the first inner ring, and the steel ball roller is arranged on the steel ball roller retainer; the first dustproof cover is clamped on the inner diameter surface of the lower part of the outer ring, the second dustproof cover is clamped on the inner diameter surface of the upper part of the outer ring, the third dustproof cover is clamped on the outer diameter surface of the first inner ring, and the inner diameter surface of the first dustproof cover is clamped on the outer diameter surface of the third dustproof cover; the bearing is good, and the requirement of high rotating speed of the rotating shaft can be met. It adopts the integrated design, and is dustproof effectual.
Description
Technical Field
The utility model relates to a bearing technical field, more specifically say and relate to a bearing that bearing performance is good, the rotational speed is higher.
Background
The bearing performance of the common conical rotor bearing is better, and the rotating speed of the steel ball rotor bearing is higher. At present, an agricultural mechanical bearing is not fast enough in rotating speed if a conical rotor bearing is adopted, and poor in bearing performance if a steel ball rotor shaft is adopted. In order to solve the problem, a bearing which has good bearing performance and can achieve high rotating speed needs to be designed.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a high rotational speed bearing to the not enough of prior art, its bearing nature is good, can satisfy the high rotational speed requirement of pivot simultaneously. It adopts the integrated design, and is dustproof effectual.
The technical solution of the utility model is as follows:
a high-rotating-speed bearing comprises a rotating shaft, wherein a tapered roller and a tapered roller bearing retainer are clamped between an outer ring and a first inner ring, and the tapered roller is arranged on the tapered roller bearing retainer;
an outer ring flange is formed on the outer ring, a load is fixed on the outer ring flange, the rotating shaft is fixed on the second inner ring, a steel ball roller and a steel ball roller retainer are clamped between the second inner ring and the first inner ring, and the steel ball roller is arranged on the steel ball roller retainer;
the first dustproof cover is clamped on the inner diameter surface of the lower part of the outer ring, the second dustproof cover is clamped on the inner diameter surface of the upper part of the outer ring, the third dustproof cover is clamped on the outer diameter surface of the first inner ring, and the inner diameter surface of the first dustproof cover is clamped on the outer diameter surface of the third dustproof cover;
the outer diameter surface of the fourth dustproof cover is pressed on the inner diameter surface of the first inner ring, and the inner diameter surface of the fourth dustproof cover is pressed on the outer diameter surface of the second inner ring; an upper oil seal and a lower oil seal are clamped between the first inner ring and the second inner ring.
The first dust cover is an aluminum alloy dust cover, the second dust cover is a plastic dust cover, the third dust cover is an aluminum alloy dust cover, and the fourth dust cover is an aluminum alloy dust cover.
The lower part of the inner diameter surface of the outer ring is provided with a lower step surface, and the upper end surface of the first dustproof cover is pressed on the lower step surface.
An upper step surface is formed on the upper portion of the inner diameter surface of the outer ring, and the lower end surface of the second dust cover is pressed on the upper step surface.
The upper end face of the second inner ring is higher than the upper end face of the outer ring, and the rotating shaft is fixed with the second inner ring through a screw.
The beneficial effects of the utility model reside in that:
the bearing is good, and the requirement of high rotating speed of the rotating shaft can be met. It adopts the integrated design, and is dustproof effectual.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
In the figure: 1. a rotating shaft; 2. an outer ring; 3. a first inner race; 4. a tapered roller; 5. a tapered roller bearing cage; 6. a second inner race; 7. a steel ball roller; 8. a steel ball roller retainer; 9. a first dust cover; 10. a second dust cover; 11. a third dust prevention cover; 12. a fourth dust cover; 13. oil seal is arranged; 14. and (6) lower oil seal.
Detailed Description
Example (b): as shown in fig. 1, the high-rotation-speed load bearing comprises a rotating shaft 1, wherein a tapered roller 4 and a tapered roller bearing retainer 5 are clamped between an outer ring 2 and a first inner ring 3, and the tapered roller 4 is mounted on the tapered roller bearing retainer 5;
an outer ring flange 21 is formed on the outer ring 2, a load is fixed on the outer ring flange 21, the rotating shaft 1 is fixed on the second inner ring 6, a steel ball roller 7 and a steel ball roller retainer 8 are clamped between the second inner ring 6 and the first inner ring 3, and the steel ball roller 7 is arranged on the steel ball roller retainer 8;
the first dustproof cover 9 is clamped on the inner diameter surface of the lower part of the outer ring 2, the second dustproof cover 10 is clamped on the inner diameter surface of the upper part of the outer ring 2, the third dustproof cover 11 is clamped on the outer diameter surface of the first inner ring 3, and the inner diameter surface of the first dustproof cover 9 is clamped on the outer diameter surface of the third dustproof cover 11;
the outer diameter surface of the fourth dustproof cover 12 is pressed on the inner diameter surface of the first inner ring 3, and the inner diameter surface of the fourth dustproof cover 12 is pressed on the outer diameter surface of the second inner ring 6; an upper oil seal 13 and a lower oil seal 14 are clamped between the first inner ring 3 and the second inner ring 6.
The lower part of the inner diameter surface of the outer ring 2 is formed with a lower step surface 22, and the upper end surface of the first dust cover 9 is pressed on the lower step surface 22.
An upper step surface 23 is formed on the upper portion of the inner diameter surface of the outer ring 2, and the lower end surface of the second dust cap 10 presses on the upper step surface 23.
The upper end face of the second inner ring 6 is higher than that of the outer ring 2, and the rotating shaft 1 is fixed with the second inner ring 6 through screws.
The working principle is as follows: the outer ring 2 is fixed with the load, so that the bearing has better integral bearing performance. The second inner ring 6 and the first inner ring 3 rotate through the steel ball roller 7, and the rotating shaft 1 can rotate highly. Therefore, the bearing capacity is good, and the requirement of high rotating speed of the rotating shaft can be met. It adopts the integrated design, and is dustproof effectual.
Claims (5)
1. The utility model provides a high rotational speed bearing, includes pivot (1), its characterized in that: a tapered roller (4) and a tapered roller bearing retainer (5) are clamped between the outer ring (2) and the first inner ring (3), and the tapered roller (4) is arranged on the tapered roller bearing retainer (5);
an outer ring flange plate (21) is formed on the outer ring (2), the load is fixed on the outer ring flange plate (21), the rotating shaft (1) is fixed on the second inner ring (6), a steel ball roller (7) and a steel ball roller retainer (8) are clamped between the second inner ring (6) and the first inner ring (3), and the steel ball roller (7) is installed on the steel ball roller retainer (8);
the first dustproof cover (9) is clamped on the inner diameter surface of the lower part of the outer ring (2), the second dustproof cover (10) is clamped on the inner diameter surface of the upper part of the outer ring (2), the third dustproof cover (11) is clamped on the outer diameter surface of the first inner ring (3), and the inner diameter surface of the first dustproof cover (9) is clamped on the outer diameter surface of the third dustproof cover (11);
the outer diameter surface of the fourth dustproof cover (12) is pressed on the inner diameter surface of the first inner ring (3), and the inner diameter surface of the fourth dustproof cover (12) is pressed on the outer diameter surface of the second inner ring (6); an upper oil seal (13) and a lower oil seal (14) are clamped between the first inner ring (3) and the second inner ring (6).
2. A high speed load bearing according to claim 1 wherein: the first dustproof cover (9) is an aluminum alloy dustproof cover, the second dustproof cover (10) is a plastic dustproof cover, the third dustproof cover (11) is an aluminum alloy dustproof cover, and the fourth dustproof cover (12) is an aluminum alloy dustproof cover.
3. A high speed load bearing according to claim 1 wherein: the lower part of the inner diameter surface of the outer ring (2) is formed with a lower step surface (22), and the upper end surface of the first dustproof cover (9) is pressed on the lower step surface (22).
4. A high speed load bearing according to claim 1 wherein: an upper step surface (23) is formed on the upper part of the inner diameter surface of the outer ring (2), and the lower end surface of the second dustproof cover (10) is pressed on the upper step surface (23).
5. A high speed load bearing according to claim 1 wherein: the upper end face of the second inner ring (6) is higher than the upper end face of the outer ring (2), and the rotating shaft (1) is fixed with the second inner ring (6) through screws.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021015556.5U CN212615905U (en) | 2020-06-05 | 2020-06-05 | High-rotating-speed bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021015556.5U CN212615905U (en) | 2020-06-05 | 2020-06-05 | High-rotating-speed bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212615905U true CN212615905U (en) | 2021-02-26 |
Family
ID=74722958
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021015556.5U Active CN212615905U (en) | 2020-06-05 | 2020-06-05 | High-rotating-speed bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212615905U (en) |
-
2020
- 2020-06-05 CN CN202021015556.5U patent/CN212615905U/en active Active
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| GR01 | Patent grant | ||
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