CN215257380U - Novel double-row tapered roller bearing - Google Patents
Novel double-row tapered roller bearing Download PDFInfo
- Publication number
- CN215257380U CN215257380U CN202022505426.6U CN202022505426U CN215257380U CN 215257380 U CN215257380 U CN 215257380U CN 202022505426 U CN202022505426 U CN 202022505426U CN 215257380 U CN215257380 U CN 215257380U
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- China
- Prior art keywords
- tapered roller
- bearing
- inner ring
- deep
- ring
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000007789 sealing Methods 0.000 claims description 26
- 238000005096 rolling process Methods 0.000 abstract description 4
- 238000010248 power generation Methods 0.000 abstract description 2
- 230000002035 prolonged effect Effects 0.000 abstract 1
- BGPVFRJUHWVFKM-UHFFFAOYSA-N N1=C2C=CC=CC2=[N+]([O-])C1(CC1)CCC21N=C1C=CC=CC1=[N+]2[O-] Chemical compound N1=C2C=CC=CC2=[N+]([O-])C1(CC1)CCC21N=C1C=CC=CC1=[N+]2[O-] BGPVFRJUHWVFKM-UHFFFAOYSA-N 0.000 description 3
- 239000010687 lubricating oil Substances 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 230000002028 premature Effects 0.000 description 1
- 230000003245 working effect Effects 0.000 description 1
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Abstract
The utility model relates to a novel double-row tapered roller bearing mainly includes bearing inner race, deep cave hollow tapered roller, pressure sensor and electro-magnet. The double-row tapered roller bearing adopts a deep-hole hollow tapered roller, so that stress concentration at two ends of the tapered roller can be weakened; a rolling body is arranged between the inner ring of the bearing and the end surface of the large section of the deep-cavity hollow tapered roller, so that the sliding friction is changed into rolling friction, the working performance of the tapered roller is improved, and the efficiency of wind power generation is improved; an electromagnet and a permanent magnet are arranged between the inner ring and the outer ring of the bearing, and the stress of the tapered roller can be intelligently controlled, so that the service life of the tapered roller is prolonged.
Description
Technical Field
The utility model relates to a novel double-row tapered roller bearing, concretely relates to double-row tapered roller bearing with good work efficiency, higher working life.
Background
Bearings are one of the most common components in the mechanical industry, and their mechanical properties directly affect the performance of mechanical equipment. The tapered roller bearing is widely applied to industries such as automobiles, rolling mills, mines, metallurgy, petroleum and plastic machinery due to the advantages of good bearing performance, higher limit rotation speed ratio, longer service life and the like. However, when the traditional solid tapered roller bearing works, severe edge effects exist at two ends of the roller, so that the tapered roller is subjected to premature fatigue failure due to a stress concentration phenomenon; meanwhile, the sliding friction between the large end of the tapered roller and the inner ring flange seriously influences the limit rotation speed ratio and the service life of the tapered roller.
In recent years, it has been found that a tapered roller having a deep-cavity hollow structure is advantageous for reducing the stress concentration phenomenon, but the structure reduces the bearing capacity, and the wide application of the deep-cavity hollow tapered roller is limited. In view of the above problems, the present invention provides a double row tapered roller bearing having high working efficiency and long service life.
Disclosure of Invention
The utility model aims at providing a novel double-row tapered roller bearing to traditional solid tapered roller's limitation, this bearing has high efficiency, high working life's characteristics.
In order to realize the purpose, the utility model adopts the technical scheme.
A novel double-row tapered roller bearing comprises a bearing inner ring, a bearing outer ring and a deep-hole hollow tapered roller.
The bearing outer ring and the outer ring end cover are connected through a bolt to form a stepped groove, an outer ring electromagnet is arranged in the stepped groove, two sealing rings are respectively arranged on two sides of the stepped groove, and the sealing rings and the outer ring electromagnet are radially compressed through an outer ring sealing cylinder to form a sealing structure; the bearing inner ring and the inner ring end cover are connected through a bolt to form a stepped groove, an inner ring electromagnet is arranged in the stepped groove, two sealing rings are respectively arranged on two sides of the stepped groove, and the sealing rings and the inner ring electromagnet are radially compressed through an inner ring sealing cylinder to form a sealing structure.
An arc-shaped groove is formed in the bearing inner ring, and a ball is arranged in the groove; the inner part of the deep-cavity hollow tapered roller is of a deep-cavity hollow structure; the same end parts of the bearing inner ring and the bearing outer ring are respectively provided with two different rectangular grooves, and the two rectangular grooves are respectively used for arranging a sealing ring and a permanent magnet; and the outer surface of the bearing outer ring is provided with a row of pressure sensors.
Compared with the prior art, the utility model discloses an useful part lies in:
1. the utility model discloses a hollow tapered roller in dark cave has weakened the local stress concentration phenomenon at tapered roller both ends to tapered roller's working life has been improved.
2. The utility model discloses it has the arc recess to open at bearing inner race and the big section terminal surface contact position of the hollow tapered roller in dark cave to set up the round ball, become to slide and be the roll, reduced the frictional force of tapered roller with the bearing inner race, improved tapered roller working property, thereby improve wind power generation's efficiency.
3. A pair of permanent magnets is arranged in the middle to reduce the pressure of the small end of the tapered roller; two pairs of electromagnets are arranged at two ends of the bearing, the magnetic force of the electromagnets is adjusted through data transmitted by the pressure sensors, the loads at two ends of the tapered roller tend to be uniform, and the electromagnets are combined with related instruments to realize automatic and intelligent control of the loads at two ends of the tapered roller.
Drawings
Fig. 1 is a schematic cross-sectional structure of the present invention.
In the figure: 1. an outer ring end cover; 2. the outer ring is a sealed cylinder; 3. a deep-cavity hollow tapered roller; 4. a seal ring; 5. a permanent magnet; 6. A bearing outer race; 7. a pressure sensor; 8. an outer ring electromagnet; 9. an inner ring end cover; 10. an inner ring electromagnet; 11. the inner ring is sealed with a cylinder; 12. a bearing inner race; 13. and a ball.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings.
The present invention will be further described with reference to the accompanying drawings.
The bearing outer ring 6 and the outer ring end cover 1 are connected through bolts to form a stepped groove, an outer ring electromagnet 8 is arranged in the stepped groove, two sealing rings are respectively arranged on two sides of the stepped groove, and the sealing rings and the outer ring electromagnet 8 are radially compressed through an outer ring sealing cylinder 2 to form a sealing structure; the bearing inner ring 12 and the inner ring end cover 9 are connected through bolts to form a step-shaped groove, an inner ring electromagnet 10 is arranged in the step-shaped groove, two sides of the step-shaped groove are respectively provided with a sealing ring, and the sealing ring and the inner ring electromagnet 10 are radially compressed through an inner ring sealing cylinder 11 to form a sealing structure; an arc-shaped groove is formed in the bearing inner ring 12, and a ball 13 is arranged in the groove; the inner part of the deep-cavity hollow tapered roller 3 is of a deep-cavity hollow structure; the same end of the bearing inner ring 12 and the bearing outer ring 6 is respectively provided with two different rectangular grooves, the two rectangular grooves are respectively used for arranging the sealing ring 4 and the permanent magnet 5, and the sealing ring 4 can prevent lubricating oil from leaking between the two tapered rollers; and a pressure sensor 7 is arranged on the outer surface of the bearing outer ring 6.
The utility model discloses in the actual work, the stress concentration phenomenon at roller both ends can be weakened to the hollow structure in dark cave of the hollow tapered roller of dark cave 3, has improved tapered roller's working life. The contact part of the bearing inner ring 12 and the large-section end face of the deep-cavity hollow tapered roller 3 is provided with an arc-shaped groove, and a circle of balls are arranged, so that sliding friction is changed into rolling friction, the friction force between the tapered roller and the bearing inner ring 12 is reduced, the working performance of the tapered roller is improved, and the working efficiency of mechanical equipment is improved. Sealing rings 4 are respectively arranged between the inner ring and the inner ring of the two deep-cavity hollow tapered roller bearings and between the outer ring and the outer ring, so that the leakage of lubricating oil can be reduced.
The permanent magnet 5 in the middle of the double-row tapered roller and the electromagnets at two ends of the bearing can provide certain magnetic force to bear certain load for the tapered roller. When the bearing receives axial load, the pressure sensors 7 at the two ends of the bearing can monitor the load condition of the tapered roller at any time, adjust the magnetic force of the electromagnet, avoid the local overlarge condition of the load of the tapered roller, and can realize automatic and intelligent control of the load at the two ends of the tapered roller by combining with related instruments.
Claims (2)
1. A novel double-row tapered roller bearing is characterized by comprising a bearing inner ring, a bearing outer ring and deep-cavity hollow tapered rollers, wherein the bearing outer ring and an outer ring end cover are connected through bolts to form a stepped groove; the bearing inner ring and the inner ring end cover are connected through a bolt to form a stepped groove, an inner ring electromagnet is arranged in the stepped groove, two sealing rings are respectively arranged on two sides of the stepped groove, and the sealing rings and the inner ring electromagnet are radially compressed through an inner ring sealing cylinder to form a sealing structure; an arc-shaped groove is formed in the bearing inner ring, and a ball is arranged in the groove; the inner part of the deep-cavity hollow tapered roller is of a deep-cavity hollow structure; and a pressure sensor is arranged on the outer surface of the bearing outer ring.
2. The novel double-row tapered roller bearing as claimed in claim 1, wherein the bearing inner ring and the bearing outer ring are respectively provided with two different rectangular grooves, and the two rectangular grooves are respectively provided with a sealing ring and a permanent magnet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022505426.6U CN215257380U (en) | 2020-11-03 | 2020-11-03 | Novel double-row tapered roller bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022505426.6U CN215257380U (en) | 2020-11-03 | 2020-11-03 | Novel double-row tapered roller bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215257380U true CN215257380U (en) | 2021-12-21 |
Family
ID=79451600
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022505426.6U Expired - Fee Related CN215257380U (en) | 2020-11-03 | 2020-11-03 | Novel double-row tapered roller bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215257380U (en) |
-
2020
- 2020-11-03 CN CN202022505426.6U patent/CN215257380U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211221 |