CN215908244U - Double-row tapered roller bearing capable of effectively reducing abrasion of tapered roller - Google Patents
Double-row tapered roller bearing capable of effectively reducing abrasion of tapered roller Download PDFInfo
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- CN215908244U CN215908244U CN202122115805.9U CN202122115805U CN215908244U CN 215908244 U CN215908244 U CN 215908244U CN 202122115805 U CN202122115805 U CN 202122115805U CN 215908244 U CN215908244 U CN 215908244U
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Abstract
A double-row tapered roller bearing capable of effectively reducing wear of tapered rollers relates to a double-row tapered roller bearing, wherein the structures of holders (14) embedded with a plurality of tapered rollers (4) sleeved on an inner ring (11) are two groups in total, one side of an outer ring (2) is sleeved outside a first group of the tapered rollers (4), one necking end of an inner wall (3) of the outer ring is positioned at the necking end of the first group of the tapered rollers (4), the other side of the outer ring (2) is sleeved outside a second group of the tapered rollers (4), and the other necking end of the inner wall (3) of the outer ring is positioned at the necking end of the second group of the tapered rollers (4); according to the utility model, the plurality of inclined inserting columns are arranged on the retainer, the tapered rollers are rotatably sleeved on the inserting columns by utilizing the through holes arranged on the tapered rollers, and the tapered surfaces of the tapered rollers do not rub against the retainer, so that the effect of stable operation of the tapered roller bearing is realized, and the purpose of prolonging the service life of the double-row tapered roller bearing is achieved.
Description
Technical Field
The utility model relates to a double-row tapered roller bearing, in particular to a double-row tapered roller bearing capable of effectively reducing the abrasion of a tapered roller.
Background
The bearing is an important part in the modern mechanical equipment, and has the main functions of supporting the mechanical rotating body, reducing the friction coefficient in the movement process of the mechanical rotating body and ensuring the rotation precision of the mechanical rotating body; the tapered roller bearing belongs to a separated bearing, and the inner ring and the outer ring of the bearing are both provided with tapered roller paths. The bearing is divided into single-row, double-row and four-row tapered roller bearings according to the number of rows of rollers. The single-row tapered roller bearing can bear radial load and single-direction axial load. When the bearing is subjected to a radial load, an axial component will be generated, so that another bearing capable of bearing an opposite axial force is required for balancing. At present, bearings commonly used on a gearbox and a host are all tapered roller bearings, so that the service life of the bearings is greatly prolonged, tapered rollers roll between an inner ring and an outer ring of the bearings in the using process of the tapered roller bearings, the tapered rollers are limited by virtue of retainers, the conical surfaces of the tapered rollers and the retainers generate certain friction, and the retainers can wear the conical surfaces of the tapered rollers after long-time operation, so that the precision of the tapered rollers is influenced, and the service life of the tapered roller bearings is further influenced.
Disclosure of Invention
In order to overcome the defects in the background art, the utility model discloses a double-row tapered roller bearing capable of effectively reducing the abrasion of a tapered roller.
In order to realize the purpose, the utility model adopts the following technical scheme:
a double-row tapered roller bearing capable of effectively reducing abrasion of tapered rollers comprises an outer ring, tapered rollers, an inner ring and a retainer, wherein the inner wall of the outer ring is necked in the middle of two-side expanded necks, the outer wall of the inner ring is necked on the other side of one-side expanded neck, an annular bulge is arranged on one side of the expanded neck on the outer wall of the inner ring, the tapered rollers are necked on the other side of one-side expanded neck, a through hole is formed between the centers of two bottom surfaces of the tapered rollers, the retainer comprises a support ring, a plurality of connecting columns with the end parts far away from the axis of the support ring and the root parts pointing to the axis of the support ring are arranged on one bottom surface of the support ring at intervals around the axis of the support ring, inserting columns coaxial with the connecting columns are respectively arranged at the end parts of each connecting column, the tapered rollers with the same number as the connecting columns are respectively sleeved on the inserting columns and limited by screws, the tapered rollers can rotate on the inserting columns, the inner edges formed by the plurality of tapered rollers are sleeved on the inner ring, the inner edges formed by the plurality of tapered rollers are respectively contacted with the outer wall of the inner ring, the neck expanding ends of the tapered rollers are positioned at the neck expanding ends of the outer wall of the inner ring, the end parts of the neck expanding ends of the tapered rollers are abutted to the annular protrusions, the support ring is positioned at the neck contracting end of the outer wall of the inner ring, the structures of the retainer sleeves embedded with the plurality of tapered rollers on the inner ring are two groups together, one side of the outer ring is sleeved outside the first group of tapered rollers, one neck expanding end of the inner wall of the outer ring is positioned at the neck expanding end of the first group of tapered rollers, the other side of the outer ring is sleeved outside the second group of tapered rollers, and the other neck expanding end of the inner wall of the outer ring is positioned at the neck expanding end of the second group of tapered rollers.
Effectively reduce double-row tapered roller bearing of tapered roller wearing and tearing, be equipped with the flaring respectively at the both ends of through-hole, be equipped with the screw at the tip of inserting the post, screw and screw spiro union, in a flaring was arranged in to the tip of spliced pole, in another flaring was arranged in to the nut that the screw was equipped with, tapered roller relied on the tip of spliced pole, the nut that the screw was equipped with supports the rotation.
The double-row tapered roller bearing capable of effectively reducing the abrasion of the tapered rollers has the advantages that the through holes and the inserting columns are in clearance fit.
The double-row tapered roller bearing capable of effectively reducing the abrasion of the tapered rollers has the advantages that the support ring is in clearance fit with the outer wall of the inner ring.
The double-row tapered roller bearing capable of effectively reducing the abrasion of the tapered rollers has the advantages that the outer wall of the outer ring is of an annular plane structure.
The double-row tapered roller bearing capable of effectively reducing the abrasion of the tapered rollers is characterized in that chamfer transition is arranged between the outer wall of the outer ring and two end faces of the outer ring.
The double-row tapered roller bearing for effectively reducing the abrasion of the tapered roller has the advantages that the inner wall of the inner ring is of an annular plane structure.
The double-row tapered roller bearing capable of effectively reducing the abrasion of the tapered rollers is characterized in that chamfer transition is arranged between the inner wall of the inner ring and two end faces of the inner ring.
Due to the adoption of the technical scheme, the utility model has the following beneficial effects:
according to the double-row tapered roller bearing capable of effectively reducing the abrasion of the tapered rollers, the retainer is provided with the plurality of inclined inserting columns, the tapered rollers are rotatably sleeved on the inserting columns through the through holes formed in the tapered rollers, the tapered surfaces of the tapered rollers do not rub against the retainer, the effect of stable operation of the tapered roller bearing is achieved, and the purpose of prolonging the service life of the double-row tapered roller bearing is achieved; the utility model has the advantages of reasonable design, simple installation, energy saving and consumption reduction, and great market popularization value.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of the outer ring of the present invention;
FIG. 3 is a schematic view of the construction of the inner ring of the present invention;
FIG. 4 is a schematic structural view of the cage of the present invention;
fig. 5 is a schematic structural view of the tapered roller of the present invention.
In the figure: 1. the outer wall of the outer ring; 2. an outer ring; 3. the inner wall of the outer ring; 4. a tapered roller; 5. a screw; 6. an annular projection; 7. a through hole; 8. inserting a column; 9. connecting columns; 10. a support ring; 11. an inner ring; 12. the inner wall of the inner ring; 13. the outer wall of the inner ring; 14. a holder; 15. a screw hole; 16. and (4) flaring.
Detailed Description
The present invention will be explained in more detail by the following examples, which are not intended to limit the present invention, and all changes and modifications within the scope of the present invention are intended to be protected by the disclosure of the present invention;
the double-row tapered roller bearing capable of effectively reducing the wear of tapered rollers described with reference to fig. 1 to 5 includes an outer ring 2, tapered rollers 4, an inner ring 11 and a retainer 14, wherein an outer ring inner wall 3 of the outer ring 2 is a middle necking with two expanded necks, an outer ring outer wall 1 of the outer ring 2 is an annular planar structure, a chamfer transition is arranged between the outer ring outer wall 1 of the outer ring 2 and two end faces of the outer ring 2, an inner ring outer wall 13 of the inner ring 11 is a necking with one side expanded neck and the other side necked, an annular protrusion 6 is arranged on one side of the expanded neck of the inner ring outer wall 13, an inner ring inner wall 12 of the inner ring 11 is an annular planar structure, a chamfer transition is arranged between the inner ring inner wall 12 of the inner ring 11 and two end faces of the inner ring 11, the tapered rollers 4 are a necking with one expanded neck and the other side, a through hole 7 is arranged between two bottom centers of the tapered rollers 4, the retainer 14 includes a support ring 10, and a bottom surface of the support ring 10 is provided with a plurality of the support ring 10 spaced apart from the axis of the support ring 10, and is far away from the support ring 10, The root of each connecting column 9 points to a connecting column 9 of the axis of the support ring 10, the end part of each connecting column 9 is respectively provided with an inserting column 8 which is coaxial with the connecting column 9, the conical rollers 4 with the same number as the connecting columns 9 are respectively sleeved on the inserting columns 8 by utilizing through holes 7 arranged on the connecting columns and are limited by screws 5, the conical rollers 4 can rotate on the inserting columns 8, both ends of each through hole 7 are respectively provided with a flared opening 16, the end part of each inserting column 8 is provided with a screw hole 15, the screw 5 is in threaded connection with the screw hole 15, the end part of each connecting column 9 is arranged in one flared opening 16, a screw cap arranged on each screw 5 is arranged in the other flared opening 16, the conical rollers 4 are supported and rotate by the end parts of the connecting columns 9 and the screw caps arranged on the screws 5, the through holes 7 and the inserting columns 8 are in clearance fit, inner edges formed by a plurality of the conical rollers 4 are sleeved on the inner ring 11, inner edges formed by the plurality of the conical rollers 4 are respectively contacted with the outer wall 13 of the inner ring, and the flared ends of the conical rollers 4 are positioned at the flared ends of the outer wall 13 of the inner ring, the tip of tapered roller 4 flaring end supports on annular arch 6, support ring 10 is located the necking end of inner circle outer wall 13, the structure of 14 cover on inner circle 11 of holder that has inlayed a plurality of tapered roller 4 is two sets of altogether, one side cover of outer lane 2 is outside at a plurality of tapered roller 4 of first group, a flaring end of outer lane inner wall 3 is located the flaring end of a plurality of tapered roller 4 of first group, the opposite side cover of outer lane 2 is outside at a plurality of tapered roller 4 of second group, another flaring end of outer lane inner wall 3 is located the flaring end of tapered roller 4 of second group, support ring 10 and inner circle outer wall 13 are clearance fit.
When the double-row tapered roller bearing capable of effectively reducing the abrasion of the tapered rollers is implemented, when the double-row tapered roller bearing is used, the tapered rollers 4 with the same number as that of the inserted column 8 are coated with bearing oil, the tapered rollers 4 are sleeved on the inserted column 8 by utilizing the through holes 7 arranged on the tapered rollers according to the necking of the tapered rollers 4 close to the support ring 10, the flaring 16 arranged at one end of each through hole 7 is sleeved on the end part of the connecting column 9, the screw 5 is screwed in the screw hole 15, the nut arranged on the screw 5 is positioned in the flaring 16 arranged at the other end of the through hole 7, the retainer 14 embedded with the tapered rollers 4 is sleeved on the inner ring 11, the end parts of the flaring arranged on the tapered rollers 4 are abutted against the annular bulges 6, the inner edges formed by the tapered rollers 4 are respectively contacted with the outer wall 13 of the inner ring, the support rings 10 are positioned at the necking end of the outer wall 13 of the inner ring, and the retainers 14 embedded with the tapered rollers 4 are sleeved on the inner ring 11 in two groups, one side cover of outer lane 2 is outside at a plurality of tapered roller 4 of first group, a flaring neck end of outer lane inner wall 3 is located the flaring neck end of tapered roller 4 of first group, the opposite side cover of outer lane 2 is outside at a plurality of tapered roller 4 of second group, another flaring neck end of outer lane inner wall 3 is located the flaring neck end of tapered roller 4 of second group, because tapered roller 4's conical surface only with outer lane inner wall 3, the contact of inner circle outer wall 13, do not produce the friction with holder 14, tapered roller bearing steady operation's effect has been realized, the purpose of extension tapered roller bearing life-span has been reached.
The present invention is not described in detail in the prior art.
Claims (8)
1. The utility model provides an effectively reduce double-row tapered roller bearing of tapered roller wearing and tearing, characterized by: the tapered roller bearing comprises an outer ring (2), tapered rollers (4), an inner ring (11) and a retainer (14), wherein an inner wall (3) of the outer ring (2) is necked in the middle of two-side neck-expanding, an outer wall (13) of the inner ring (11) is necked on the other side of one-side neck-expanding, an annular bulge (6) is arranged on one side of the neck-expanding of the outer wall (13) of the inner ring, the tapered rollers (4) are necked on the other side of one-side neck-expanding, a through hole (7) is formed between the centers of two bottom surfaces of the tapered rollers (4), the retainer (14) comprises a support ring (10), a plurality of connecting columns (9) with ends far away from the axis of the support ring (10) and with the roots pointing to the axis of the support ring (10) are arranged on one bottom surface of the support ring (10) at intervals around the axis of the support ring (10), inserting columns (8) coaxial with the connecting columns (9) are respectively arranged on the end of each connecting column (9), and the tapered rollers (4) with the same number as the connecting columns (9) are respectively sleeved on the inserting columns (8) by the through holes (7) arranged ) The upper part is limited by a screw (5), the tapered rollers (4) can rotate on the insert column (8), the inner edges formed by the tapered rollers (4) are sleeved on the inner ring (11), the inner edges formed by the tapered rollers (4) are respectively contacted with the outer wall (13) of the inner ring, the neck-expanding ends of the tapered rollers (4) are positioned at the neck-expanding end of the outer wall (13) of the inner ring, the end parts of the neck-expanding ends of the tapered rollers (4) are propped against the annular bulge (6), the support ring (10) is positioned at the neck-contracting end of the outer wall (13) of the inner ring, the structures of the retainers (14) embedded with the tapered rollers (4) which are sleeved on the inner ring (11) are two groups together, one side of the outer ring (2) is sleeved outside the first group of the plurality of tapered rollers (4), one neck-expanding end of the inner wall (3) of the outer ring is positioned at the neck-expanding end of the first group of the tapered rollers (4), the other side of the outer ring (2) is sleeved outside the second group of the plurality of the tapered rollers (4), the other neck-expanding end of the inner wall (3) of the outer ring is positioned at the neck-expanding end of the second group of tapered rollers (4).
2. The double-row tapered roller bearing effective in reducing wear of tapered rollers as claimed in claim 1, wherein: flaring (16) are respectively arranged at two ends of the through hole (7), a screw hole (15) is arranged at the end part of the inserted column (8), a screw (5) is in threaded connection with the screw hole (15), the end part of the connecting column (9) is arranged in one flaring (16), a screw cap arranged on the screw (5) is arranged in the other flaring (16), and the tapered roller (4) is supported and rotated by the end part of the connecting column (9) and the screw cap arranged on the screw (5).
3. The double-row tapered roller bearing effective in reducing wear of tapered rollers as claimed in claim 1, wherein: the through hole (7) and the inserting column (8) are in clearance fit.
4. The double-row tapered roller bearing effective in reducing wear of tapered rollers as claimed in claim 1, wherein: the support ring (10) is in clearance fit with the outer wall (13) of the inner ring.
5. The double-row tapered roller bearing effective in reducing wear of tapered rollers as claimed in claim 1, wherein: the outer wall (1) of the outer ring (2) is of an annular plane structure.
6. The double-row tapered roller bearing effective in reducing wear of tapered rollers as claimed in claim 5, wherein: and a chamfer transition is arranged between the outer wall (1) of the outer ring (2) and two end faces of the outer ring (2).
7. The double-row tapered roller bearing effective in reducing wear of tapered rollers as claimed in claim 1, wherein: the inner ring inner wall (12) of the inner ring (11) is of an annular plane structure.
8. The double-row tapered roller bearing effective in reducing wear of tapered rollers as claimed in claim 7, wherein: a chamfer transition is arranged between the inner ring inner wall (12) of the inner ring (11) and two end faces of the inner ring (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122115805.9U CN215908244U (en) | 2021-09-03 | 2021-09-03 | Double-row tapered roller bearing capable of effectively reducing abrasion of tapered roller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122115805.9U CN215908244U (en) | 2021-09-03 | 2021-09-03 | Double-row tapered roller bearing capable of effectively reducing abrasion of tapered roller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215908244U true CN215908244U (en) | 2022-02-25 |
Family
ID=80293588
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122115805.9U Active CN215908244U (en) | 2021-09-03 | 2021-09-03 | Double-row tapered roller bearing capable of effectively reducing abrasion of tapered roller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215908244U (en) |
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2021
- 2021-09-03 CN CN202122115805.9U patent/CN215908244U/en active Active
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