CN218953823U - Four-row crossed cylindrical roller turntable bearing - Google Patents
Four-row crossed cylindrical roller turntable bearing Download PDFInfo
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- CN218953823U CN218953823U CN202223469647.8U CN202223469647U CN218953823U CN 218953823 U CN218953823 U CN 218953823U CN 202223469647 U CN202223469647 U CN 202223469647U CN 218953823 U CN218953823 U CN 218953823U
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Abstract
The utility model discloses a four-row crossed cylindrical roller turntable bearing, which comprises a first outer ring, a second outer ring and an inner ring, wherein a first plug and a third plug are sleeved between the first outer ring and the second outer ring, coaxial through holes are formed in the first plug and the third plug, a first taper pin is sleeved in the coaxial through holes in the first plug and the third plug, a first cylindrical roller is arranged between the first plug and the second outer ring, and a third cylindrical roller is arranged between the third plug and the second outer ring.
Description
Technical Field
The utility model relates to the technical field of bearings, in particular to a four-row crossed cylindrical roller turntable bearing.
Background
The turntable bearing is a bearing capable of bearing axial force, radial force and overturning moment simultaneously, wherein the bearing capacity of the crossed cylindrical roller bearing is higher, but sometimes under the limit of space installation size, when the bearing capacity is required to bear larger load, three rows of cylindrical roller turntable bearings can only be selected, and because of structural reasons, the three rows of cylindrical roller turntable bearings bear larger axial load and smaller radial load, and are only suitable for low-rotation speed places, and the three rows of cylindrical roller turntable bearings adopt integral or split copper retainers inside, so that the integral cost is higher and the price is often very expensive, and therefore, the four rows of crossed cylindrical roller turntable bearings are particularly invented in the background.
Disclosure of Invention
The utility model aims to overcome the existing defects, provides the four-row crossed cylindrical roller turntable bearing, improves the bearing capacity of the bearing, has lower cost and higher cost performance in manufacturing the bearing, is suitable for large-scale popularization, can be applied to working conditions of medium and high rotating speeds, and can effectively solve the problems in the background technology.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the four-row crossed cylindrical roller turntable bearing comprises a first outer ring, a second outer ring and an inner ring, wherein a first plug and a third plug are sleeved between the first outer ring and the second outer ring, coaxial through holes are formed in the first plug and the third plug, a first taper pin is sleeved in the coaxial through holes in the first plug and the third plug, a first cylindrical roller is arranged between the first plug and the second outer ring, and a third cylindrical roller is arranged between the third plug and the second outer ring;
a second plug and a fourth plug are sleeved between the second outer ring and the inner ring, coaxial through holes are formed in the second plug and the fourth plug, a second taper pin is sleeved in the coaxial through holes of the second plug and the fourth plug, a second cylindrical roller is arranged between the second plug and the second outer ring, and a fourth cylindrical roller is arranged between the fourth plug and the second outer ring.
As a preferable technical scheme of the utility model, the heights of the second outer ring and the first outer ring are consistent with those of the inner ring, and one end of the second outer ring is higher than those of the first outer ring and the second outer ring.
As a preferable technical scheme of the utility model, the second outer ring higher than the first outer ring and the second outer ring is provided with a groove, and a first sealing ring is placed in the groove.
As a preferable technical scheme of the utility model, grooves are formed in the first outer ring and the first inner ring, and second sealing rings are arranged in the grooves in the first outer ring and the first inner ring.
As a preferable technical scheme of the utility model, a first partition plate is arranged between the first plug and the third plug, and a second partition plate is arranged between the second plug and the fourth plug.
Compared with the prior art: the first outer ring, the second outer ring and the inner ring are assembled through bolts, the second outer ring and the inner ring are put together during assembly, the second taper pin, the second sealing ring and the fourth plug on the inner ring are taken down, the fourth cylindrical roller and the second cylindrical roller are installed in the bearing rollaway nest in a crossing way through plug holes, then the second plug and the fourth plug are plugged into the holes and are tightly pinned through the second taper pin, the first outer ring and the second outer ring are assembled together through the same method to form a whole, and then the first sealing ring and the second sealing ring are assembled to provide the protection performance of the bearing.
Drawings
FIG. 1 is a front elevational view of the structure of the present utility model;
FIG. 2 is a top view of the structure of the present utility model;
FIG. 3 is a schematic diagram of a first embodiment of the present utility model;
FIG. 4 is a second schematic diagram of the structure of the present utility model;
FIG. 5 is a schematic view of the cross-sectional structure A-A of FIG. 2;
fig. 6 is a partial schematic view of fig. 5.
In the figure: 1 first outer ring, 2 first stopper, 3 first taper pin, 4 first cylindrical roller, 5 second outer ring, 6 first sealing ring, 7 inner ring, 8 second taper pin, 9 second stopper, 10 second sealing ring, 11 third stopper, 12 third cylindrical roller, 13 fourth stopper, 14 fourth cylindrical roller, 15 second cylindrical roller.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. Based on the embodiment of the present utility model (for convenience of description and understanding, the following description will be given with the upper part of fig. 1 as the upper part). All other embodiments, which can be made by those skilled in the art without the inventive effort, are intended to be within the scope of the present utility model.
Referring to fig. 1-6, the present utility model provides a technical solution: a four-row crossed cylindrical roller turntable bearing comprises a first outer ring 1, a second outer ring 5 and an inner ring 7.
Specifically, screw holes are formed in the first outer ring 1 and the first inner ring 7, and the first outer ring 1, the second outer ring 5 and the first inner ring 7 are assembled through bolts.
Further, a first plug 2 and a third plug 11 are sleeved between the first outer ring 1 and the second outer ring 5, coaxial through holes are formed in the first plug 2 and the third plug 11, and a first taper pin 3 is sleeved in the coaxial through holes in the first plug 2 and the third plug 11.
Further, the first taper pin 3 is used for locking the first plug 2 and the third plug 11.
Specifically, a first cylindrical roller 4 is disposed between the first plug 2 and the second outer ring 5, and a third cylindrical roller 12 is disposed between the third plug 11 and the second outer ring 5.
Further, a second plug 9 and a fourth plug 13 are sleeved between the second outer ring 5 and the inner ring 7, coaxial through holes are formed in the second plug 9 and the fourth plug 13, a second taper pin 8 is sleeved in the coaxial through holes in the second plug 9 and the fourth plug 13, a second cylindrical roller 15 is arranged between the second plug 9 and the second outer ring 5, and a fourth cylindrical roller 14 is arranged between the fourth plug 13 and the second outer ring 5.
More specifically, the second outer ring 5 is identical to the first outer ring 1 and the inner ring 7 in height, and one end of the second outer ring 5 is higher than the first outer ring 1 and the second outer ring 5.
Further, a groove is formed in the second outer ring 5 higher than the first outer ring 1 and the second outer ring 5, and a first sealing ring 6 is placed in the groove.
Further, grooves are formed in the first outer ring 1 and the first inner ring 7, and second sealing rings 10 are arranged in the grooves in the first outer ring 1 and the first inner ring 7.
Specifically, the first seal ring 6 and the second seal ring 10 improve the sealability of the present device.
Further, a first partition is provided between the first plug 2 and the third plug 11, and a second partition is provided between the second plug 9 and the fourth plug 13.
When in use: the structure adopts a mounting hole for mounting, the first outer ring 1, the second outer ring 5 and the inner ring 7 are assembled through bolts, the second outer ring 5 and the inner ring 7 are put together during assembly, the second taper pin 8, the second sealing ring 10 and the fourth plug 13 on the inner ring 7 are taken down, the fourth cylindrical roller 14 and the second cylindrical roller 15 are crossly mounted in a bearing raceway through plug holes, then the second plug 9 and the fourth plug 13 are plugged in the holes and are tightly pinned through the second taper pin 8, the first outer ring 1 and the second outer ring 5 are assembled together through the same method to form a whole, and then the first sealing ring 6 and the second sealing ring 10 are assembled to provide the protection performance of the bearing.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. Four-row crossed cylindrical roller turntable bearing comprises a first outer ring (1), a second outer ring (5) and an inner ring (7), and is characterized in that: a first plug (2) and a third plug (11) are sleeved between the first outer ring (1) and the second outer ring (5), coaxial through holes are formed in the first plug (2) and the third plug (11), a first taper pin (3) is sleeved in the coaxial through holes of the first plug (2) and the third plug (11), a first cylindrical roller (4) is arranged between the first plug (2) and the second outer ring (5), and a third cylindrical roller (12) is arranged between the third plug (11) and the second outer ring (5);
the second plug (9) and the fourth plug (13) are sleeved between the second outer ring (5) and the inner ring (7), coaxial through holes are formed in the second plug (9) and the fourth plug (13), a second taper pin (8) is sleeved in the coaxial through holes of the second plug (9) and the fourth plug (13), a second cylindrical roller (15) is arranged between the second plug (9) and the second outer ring (5), and a fourth cylindrical roller (14) is arranged between the fourth plug (13) and the second outer ring (5).
2. A four-row crossed cylindrical roller turntable bearing according to claim 1, wherein: the heights of the second outer ring (5) and the first outer ring (1) are consistent with those of the inner ring (7), and one end of the second outer ring (5) is higher than those of the first outer ring (1) and the second outer ring (5).
3. A four-row crossed cylindrical roller turntable bearing according to claim 1, wherein: the second outer ring (5) higher than the first outer ring (1) and the second outer ring (5) is provided with a groove, and a first sealing ring (6) is placed in the groove.
4. A four-row crossed cylindrical roller turntable bearing according to claim 1, wherein: grooves are formed in the first outer ring (1) and the inner ring (7), and second sealing rings (10) are arranged in the grooves in the first outer ring (1) and the inner ring (7).
5. A four-row crossed cylindrical roller turntable bearing according to claim 1, wherein: a first partition plate is arranged between the first plug (2) and the third plug (11), and a second partition plate is arranged between the second plug (9) and the fourth plug (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223469647.8U CN218953823U (en) | 2022-12-26 | 2022-12-26 | Four-row crossed cylindrical roller turntable bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223469647.8U CN218953823U (en) | 2022-12-26 | 2022-12-26 | Four-row crossed cylindrical roller turntable bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218953823U true CN218953823U (en) | 2023-05-02 |
Family
ID=86104345
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223469647.8U Active CN218953823U (en) | 2022-12-26 | 2022-12-26 | Four-row crossed cylindrical roller turntable bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218953823U (en) |
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2022
- 2022-12-26 CN CN202223469647.8U patent/CN218953823U/en active Active
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