CN116557417A - Hub bearing structure of double-row angular contact ball one-row aligning roller for passenger car - Google Patents
Hub bearing structure of double-row angular contact ball one-row aligning roller for passenger car Download PDFInfo
- Publication number
- CN116557417A CN116557417A CN202310537063.XA CN202310537063A CN116557417A CN 116557417 A CN116557417 A CN 116557417A CN 202310537063 A CN202310537063 A CN 202310537063A CN 116557417 A CN116557417 A CN 116557417A
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- China
- Prior art keywords
- row
- bearing
- rollers
- passenger car
- angular contact
- Prior art date
- 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.)
- Pending
Links
- 238000007789 sealing Methods 0.000 claims description 22
- 230000002159 abnormal effect Effects 0.000 abstract description 4
- 238000000034 method Methods 0.000 abstract description 3
- 238000005096 rolling process Methods 0.000 description 4
- 239000000428 dust Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C19/00—Bearings with rolling contact, for exclusively rotary movement
- F16C19/49—Bearings with both balls and rollers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/30—Parts of ball or roller bearings
- F16C33/58—Raceways; Race rings
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/72—Sealings
- F16C33/76—Sealings of ball or roller bearings
- F16C33/78—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members
- F16C33/7816—Details of the sealing or parts thereof, e.g. geometry, material
- F16C33/782—Details of the sealing or parts thereof, e.g. geometry, material of the sealing region
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/80—Technologies aiming to reduce greenhouse gasses emissions common to all road transportation technologies
- Y02T10/86—Optimisation of rolling resistance, e.g. weight reduction
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rolling Contact Bearings (AREA)
Abstract
The invention relates to the technical field of hub bearings, in particular to a hub bearing structure of a double-row angular contact ball-row aligning roller for a passenger car, which comprises a bearing outer ring, a first bearing inner ring, a second bearing inner ring, a first row of balls, a second row of balls and a third row of rollers; in the running process of the bearing, as the added third row of rollers are in contact with the spherical roller path, the bearing has automatic aligning performance when being subjected to angle errors caused by shaft deflection or relative inclination caused by abnormal impact force, can bear larger axial force when bearing radial force, and can bear radial force and axial force simultaneously when bearing the radial force and the second row of balls are in point contact with the circular arc-shaped roller path, and is suitable for high-speed rotation, so that the added third row of rollers of the bearing not only improves the radial bearing capacity and the axial bearing capacity of the bearing, but also improves the bearing capacity of the bearing without reducing the bearing rotating speed and improving the bearing torque, and can meet the high-load requirement of applicable working conditions.
Description
Technical Field
The invention relates to the technical field of hub bearings, in particular to a hub bearing structure with double-row angular contact balls and one row of aligning rollers for a passenger car.
Background
Hub bearings are currently used in a variety of industries, such as the automotive industry, rail transit, and the like.
The general hub bearing internal structure is two rows of identical rolling bodies, so that most of the current use conditions can be met, but the hub bearings with the two rows of identical rolling bodies cannot meet the use requirements along with the change of the use environment of the whole vehicle as the load of the whole vehicle increases.
In order to expand the load range of the working condition, improve the axial and radial bearing capacity of the bearing, be suitable for under high load and large impact conditions, and not reduce the bearing rotation speed and increase the bearing rotation torque, a hub bearing structure with double-row angular contact balls and one row of aligning rollers for a passenger car is provided, so that the technical problems are better solved.
Disclosure of Invention
The invention aims to provide a hub bearing structure of a double-row angular contact ball and a row of aligning rollers for a passenger car, and aims to solve the technical problem that the prior hub bearing has an internal structure of two rows of identical rolling bodies, can meet most of current use conditions, but with the increase of the load of the whole car, the hub bearings of the two rows of identical rolling bodies cannot meet the use requirements.
In order to achieve the above purpose, the invention provides a hub bearing structure of a row of aligning rollers of double-row angular contact balls for a passenger car, which comprises a bearing outer ring, a first bearing inner ring, a second bearing inner ring, a first row of balls, a second row of balls and a third row of rollers, wherein the first bearing inner ring is penetrated in the bearing outer ring, the second bearing inner ring is fixedly connected with the first bearing inner ring and is positioned at one side of the first bearing inner ring, which is close to the bearing outer ring, the first row of balls, the second row of balls and the third row of rollers are respectively arranged in raceways between the bearing outer ring and the bearing inner ring, and the third row of rollers is positioned between the first row of balls and the second row of balls.
Wherein, the inner circumferential surface of the bearing outer ring is provided with an outer ring spherical raceway matched with the third row of rollers; an inner ring spherical raceway matched with the third row of rollers is arranged on the outer circumferential surface of the first bearing inner ring; the third row of rollers are arranged in the inner ring spherical raceway.
Wherein the first and second rows of balls are balls and the third row of rollers are spherical rollers.
The third row of rollers are respectively in line contact with the bearing outer ring and the first bearing inner ring.
The third row of rollers are in matched contact with the bearing outer ring and the inner ring spherical raceway, the curvature radius of the outer ring spherical raceway is Re, the curvature radius of the inner ring spherical raceway is Ri, and the curvature radius of the third row of rollers is R, wherein Re and Ri are unequal and larger than R.
The hub bearing structure of the double-row angular contact ball one-row aligning roller for the passenger car further comprises a retainer, wherein the retainer is used for uniformly distributing and separating the rollers or the balls.
The hub bearing structure of the double-row angular contact ball aligning roller for the passenger car further comprises a sealing ring, and the sealing ring is arranged between the bearing outer ring and the first bearing inner ring.
The sealing ring comprises a sealing ring framework and sealing ring rubber, and the sealing ring framework is fixedly connected with the bearing outer ring; the sealing ring rubber is movably connected with the first bearing inner ring.
According to the hub bearing structure with the double-row angular contact balls and the single-row aligning rollers for the passenger car, the outer ring of the bearing is fixed, the inner ring of the bearing rotates, the rollers and the balls rotate along with the inner ring of the bearing and rotate, meanwhile, as the added third row of rollers are in contact with the spherical roller path, when the bearing is subjected to angle errors caused by shaft deflection or relative inclination caused by abnormal impact force, the hub bearing structure has automatic aligning performance, can bear radial force and simultaneously can bear larger axial force, the first row of balls and the second row of balls are in point contact with the circular arc roller path, can bear radial force and axial force simultaneously and are suitable for high-speed rotation, so that the radial bearing capacity and the axial bearing capacity of the bearing are improved, and the bearing capacity of the bearing is improved under the condition that the bearing rotating speed is not reduced and the bearing torque is not improved, and the high load requirement of applicable working conditions can be met.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural view of a hub bearing structure of a double row angular contact ball-row aligning roller for a passenger car.
Fig. 2 is an enlarged view of the invention at a of fig. 1.
In the figure: the ball bearing comprises a 1-bearing outer ring, a 2-first bearing inner ring, a 3-second bearing inner ring, a 4-first row of balls, a 5-second row of balls, a 6-third row of rollers, a 7-retainer, an 8-sealing ring framework, 9-sealing ring rubber, a 10-outer ring spherical raceway and an 11-inner ring spherical raceway.
Detailed Description
The following detailed description of embodiments of the invention, examples of which are illustrated in the accompanying drawings and, by way of example, are intended to be illustrative, and not to be construed as limiting, of the invention.
Referring to fig. 1 and 2, a hub bearing structure with a row of aligning rollers of double row angular contact balls for a passenger car includes a bearing outer ring 1, a first bearing inner ring 2, a second bearing inner ring 3, a first row of balls 4, a second row of balls 5 and a third row of rollers 6, wherein the first bearing inner ring 2 is inserted into the bearing outer ring 1, the second bearing inner ring 3 is fixedly connected with the first bearing inner ring 2 and is located at one side of the first bearing inner ring 2 close to the bearing outer ring 1, the first row of balls 4, the second row of balls 5 and the third row of rollers 6 are respectively installed in raceways between the bearing outer ring 1 and the bearing inner ring, and the third row of rollers 6 is located between the first row of balls 4 and the second row of balls 5.
Further, referring to fig. 2, an inner circumferential surface of the bearing outer ring 1 is provided with an outer ring spherical raceway 10 matched with the third row of rollers 6; an inner ring spherical raceway 11 matched with the third row of rollers 6 is arranged on the outer circumferential surface of the first bearing inner ring 2; the third row of rollers 6 is mounted in the inner race spherical raceway 11.
Further, referring to fig. 1 and 2, the first row of balls 4 and the second row of balls 5 are balls, and the third row of rollers 6 are spherical rollers.
Further, referring to fig. 1 and 2, the third row of rollers 6 are in line contact with the bearing outer race 1 and the first bearing inner race 2, respectively.
Further, referring to fig. 2, the third row of rollers 6 is in contact with the bearing outer ring 1 and the inner ring spherical raceway 11, the curvature radius of the outer ring spherical raceway 10 is Re, the curvature radius of the inner ring spherical raceway 11 is Ri, and the curvature radius of the third row of rollers 6 is R, where Re and Ri are unequal and greater than R.
In the present embodiment, the end of the first bearing inner ring 2 is provided with a bolt hole and is equipped with a bolt, so that the bearing is convenient to use and install, the second bearing inner ring 3 is installed outside the first bearing inner ring 2, the first bearing inner ring 2 and the second bearing inner ring 3 are arranged in the bearing outer ring 1 in a penetrating way, the first row of balls 4, the second row of balls 5 and the third row of rollers 6 are installed among the first bearing inner ring 2, the second row of balls 3 and the bearing outer ring 1, the middle parts of two sides of the first bearing inner ring 2, which are close to each other, are respectively provided with the outer ring spherical raceway 10 and the inner ring spherical raceway 11, the third row of rollers 6 are positioned between the first row of balls 4 and the second row of balls 5 and are positioned in the spherical raceway, the number of the rollers in each row is at least three, the third row of rollers 6 is contacted with the bearing inner ring and the bearing outer ring 1 in a matching way, so that the third row of rollers 6 is contacted with the bearing inner ring and the bearing outer ring 1 in a line way, in the running process of the bearing, the bearing outer ring 1 is fixed, the bearing inner ring rotates, the rollers rotate along with the bearing inner ring and rotate, meanwhile, as the added third row of rollers 6 are contacted with a spherical raceway, when the bearing is subjected to the angle error caused by the deflection of the shaft or the relative inclination caused by abnormal impact force, the bearing has the self-aligning performance, the bearing can bear larger axial force when bearing radial force, the first row of balls 4 and the second row of balls 5 are contacted with arc raceway points, can bear radial force and axial force at the same time, and are suitable for high-speed rotation, so that the added third row of rollers 6 of the bearing not only improves the radial bearing capacity and the axial bearing capacity of the bearing, meanwhile, under the condition that the bearing rotating speed is not reduced and the bearing torque is not improved, the bearing capacity is improved, and the high load requirement of the applicable working condition can be met.
Further, referring to fig. 1 and 2, the hub bearing structure of the double row angular contact ball-in-row aligning roller for a passenger car further comprises a cage 7, wherein the cage 7 is used for uniformly distributing the rollers or balls.
In this embodiment, the cage 7 contacts the rollers or ball gaps to divide the rollers or balls evenly.
Further, referring to fig. 1 and 2, the hub bearing structure of the double row angular contact ball aligning roller for a passenger car further includes a sealing ring, and the sealing ring is disposed between the bearing outer ring 1 and the first bearing inner ring 2.
Further, referring to fig. 1 and 2, the seal ring includes a seal ring skeleton 8 and a seal ring rubber 9, where the seal ring rubber 9 is fixedly connected with the seal ring skeleton 8 and is located between the bearing outer ring 1 and the bearing inner ring 2.
In this embodiment, front end and the terminal between the bearing outer lane 1 and the bearing inner race are installed respectively sealing washer skeleton 8 and sealing washer rubber 9 for improve the leakproofness of bearing, and prevent external dust from getting into in the bearing, influence the normal use of bearing, make through sealing washer skeleton 8 sealing washer rubber 9 install in the bearing steadily, improve bearing structure's stability.
According to the hub bearing structure with the double-row angular contact ball-row aligning rollers for the passenger car, the bearing outer ring 1 is fixed, the bearing inner ring rotates, the rollers and balls rotate along with the bearing inner ring and rotate, meanwhile, as the added third row of rollers 6 are in contact with the spherical roller path, when the bearing is subjected to shaft deflection to cause angle errors or relative inclination caused by abnormal impact force, the hub bearing structure has automatic aligning performance, can bear larger axial force when bearing radial force, and the first row of balls 4 and the second row of balls 5 are in point contact with the circular arc roller path to bear radial force and axial force at the same time and are suitable for high-speed rotation, so that the bearing added third row of rollers 6 not only improves the radial bearing capacity and the axial bearing capacity of the bearing, but also improves the bearing capacity of the bearing without reducing the bearing rotation speed and the bearing torque, and can meet the high load requirement of applicable working conditions.
The above disclosure is only a preferred embodiment of the present invention, and it should be understood that the scope of the invention is not limited thereto, and those skilled in the art will appreciate that all or part of the procedures described above can be performed according to the equivalent changes of the claims, and still fall within the scope of the present invention.
Claims (8)
1. The utility model provides a passenger car is with hub bearing structure of one row of aligning roller of biserial angular contact ball, its characterized in that includes bearing outer lane, first bearing inner race, second bearing inner race, first row ball, second row ball and third row roller, first bearing inner race wears to locate in the bearing outer lane, second bearing inner race with first bearing inner race fixed connection, and be located first bearing inner race is close to one side of bearing outer lane, first row ball second row ball and third row roller install respectively in the raceway between bearing outer lane and the bearing inner race, third row roller is located first row ball with between the second row ball.
2. The hub bearing structure of a double row angular contact ball row aligning roller for a passenger car according to claim 1, wherein,
an outer ring spherical raceway matched with the third row of rollers is arranged on the inner circumferential surface of the bearing outer ring; an inner ring spherical raceway matched with the third row of rollers is arranged on the outer circumferential surface of the first bearing inner ring; the third row of rollers are arranged in the inner ring spherical raceway.
3. A hub bearing structure of a double row angular contact ball row aligning roller for a passenger car according to claim 1, wherein,
the first and second rows of balls are balls and the third row of rollers are spherical rollers.
4. A hub bearing structure of a double row angular contact ball row aligning roller for a passenger car as set forth in claim 3, wherein,
the third row of rollers are respectively in line contact with the bearing outer ring and the first bearing inner ring.
5. A hub bearing structure of a double row angular contact ball row aligning roller for a passenger car according to claim 4, wherein,
the third row of rollers are in fit contact with the bearing outer ring and the inner ring spherical raceway, the curvature radius of the outer ring spherical raceway is Re, the curvature radius of the inner ring spherical raceway is Ri, and the curvature radius of the third row of rollers is R, wherein Re and Ri are unequal and larger than R.
6. A hub bearing structure of a double row angular contact ball row aligning roller for a passenger car according to claim 1, wherein,
the hub bearing structure of the double-row angular contact ball one-row aligning roller for the passenger car further comprises a retainer, wherein the retainer is used for uniformly distributing and separating the rollers or the balls.
7. A hub bearing structure of a double row angular contact ball row aligning roller for a passenger car according to claim 1, wherein,
the hub bearing structure of the double-row angular contact ball aligning roller for the passenger car further comprises a sealing ring, wherein the sealing ring is arranged between the bearing outer ring and the first bearing inner ring.
8. A hub bearing structure of a double row angular contact ball row aligning roller for a passenger car according to claim 7, wherein,
the sealing ring comprises a sealing ring framework and sealing ring rubber, and the sealing ring framework is fixedly connected with the bearing outer ring; the sealing ring rubber is movably connected with the first bearing inner ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310537063.XA CN116557417A (en) | 2023-05-13 | 2023-05-13 | Hub bearing structure of double-row angular contact ball one-row aligning roller for passenger car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310537063.XA CN116557417A (en) | 2023-05-13 | 2023-05-13 | Hub bearing structure of double-row angular contact ball one-row aligning roller for passenger car |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116557417A true CN116557417A (en) | 2023-08-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310537063.XA Pending CN116557417A (en) | 2023-05-13 | 2023-05-13 | Hub bearing structure of double-row angular contact ball one-row aligning roller for passenger car |
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| Country | Link |
|---|---|
| CN (1) | CN116557417A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116972070A (en) * | 2023-08-31 | 2023-10-31 | 重庆长江轴承股份有限公司 | Three-row ball hub bearing for new energy automobile |
-
2023
- 2023-05-13 CN CN202310537063.XA patent/CN116557417A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116972070A (en) * | 2023-08-31 | 2023-10-31 | 重庆长江轴承股份有限公司 | Three-row ball hub bearing for new energy automobile |
| CN116972070B (en) * | 2023-08-31 | 2024-05-14 | 重庆长江轴承股份有限公司 | Three-row ball hub bearing for new energy automobile |
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