CN210118352U - High-bearing roller bearing - Google Patents
High-bearing roller bearing Download PDFInfo
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- CN210118352U CN210118352U CN201920579463.6U CN201920579463U CN210118352U CN 210118352 U CN210118352 U CN 210118352U CN 201920579463 U CN201920579463 U CN 201920579463U CN 210118352 U CN210118352 U CN 210118352U
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- raceway
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- bearing
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Abstract
The utility model discloses a high-bearing roller bearing, which comprises an outer ring, the roller comprises a middle section and side sections at two ends of the middle section, the middle section is cylindrical, the side sections are conical and the bus of the side sections is in an outward protruding arc shape, the inner ring raceway is in a straight cylindrical shape, the middle section is tightly attached to the inner ring raceway to roll, the axial section of the outer ring raceway is in an inward concave arc shape, the side sections are tightly attached to the outer ring raceway to roll, the axial section of the inner ring raceway is linear, the axial floating amount of the roller is increased, a gap is formed between the side sections and the inner ring raceway due to the special shape of the side sections and the inner ring raceway, the bearing can achieve eccentricity within a certain range through the gap between the side sections and the inner ring, the stability of the roller is increased, the static radial bearing capacity of the roller is large due to the linear contact of the middle section and the inner.
Description
Technical Field
The utility model belongs to the technical field of the bearing is made, concretely relates to high bearing roller bearing.
Background
The full complement roller bearing is designed for bearing heavy load, has extremely high bearing capacity, has small radial section, can save space, but has relatively low rotating speed, is one of components widely applied in modern machinery, and comprises an inner ring, an outer ring and rollers, the inner ring and the outer ring are provided with check rings, the existing full complement roller bearing has the following problems that 1, the axial floating maximization of the bearing cannot be realized due to the influence of the check rings, 2, the full complement roller bearing is fixed through the check rings, the rollers are easy to scatter in the processes of bearing installation, bearing disassembly and the like, and the rollers are damaged, 3, the friction between the rollers and the inner ring and the outer ring needs to be reduced through lubricating grease when the bearing is operated, and meanwhile, the cooling effect is achieved, the uneven lubricating grease is easy to occur in the existing full complement roller bearing, and the service life of the bearing.
Disclosure of Invention
In order to overcome the defects of the prior art, the utility model provides a roller bearing is born to a height that is bigger than prior art axial floating volume.
In order to realize the purpose, the utility model discloses a technical scheme is: the utility model provides a high roller bearing that bears, includes outer lane, inner circle and roller, the inner circle is provided with inner circle raceway and outer lane raceway respectively with the outer lane, the roller includes the middle section of a body coupling and the side section that is located the middle section both ends, the middle section is cylindrical, the side section is toper and its generating line arc that is evagination, the inner circle raceway is straight cylindrical, the inner circle raceway rolls is hugged closely in the middle section, the axial cross-section of outer lane raceway is the arc of indent, the outer lane raceway rolls is hugged closely to the side section.
In the technical scheme, the axial section of the inner ring raceway is a straight line, so that the floating amount of the roller in the axial direction is increased, a gap is formed between the side section and the inner ring raceway due to the special shapes of the side section and the inner ring raceway, the bearing can realize eccentricity in a certain range by the gap between the side section and the inner ring, the stability of the roller is increased, the static radial bearing capacity of the roller is large due to the straight line contact of the middle section and the inner ring raceway, and the running stability of the bearing is ensured.
As a further setting of the utility model, including the holder, the holder includes two half holders, two half holders are located the both ends of roller respectively, be equipped with the expansion end on half holder, be equipped with the installation cavity that supplies expansion end cartridge on the face of roller both ends, the roller can use the expansion end to rotate as the axle center.
Among the above-mentioned technical scheme, the holder prevents that the roller from scattering, causing the roller to damage at installation, dismantlement in-process appearance of bearing, and when the bearing function, the holder plays the guide and drives each roller rotation, makes the bearing operation more stable.
As a further arrangement of the utility model, the circumference equipartition has many oil storage tanks on its and the roller contact's of interior, outer lane raceway the face.
Among the above-mentioned technical scheme, the lateral wall of oil storage tank can scrape the unnecessary lubricating grease of roller lateral surface to the position that lacks the grease on the roller surface at roller roll in-process, can make the lubricating grease evenly distributed on the roller lateral surface, and certain lubricating grease is stored to the while inslot, reduces the lubricating grease consumption, prolongs bearing live time.
As a further arrangement of the utility model, the central angle of the circular arc of the outer ring raceway axial cross section is between 30 degrees and 60 degrees.
According to the technical scheme, when the central angle is 30-60 degrees, the roller is convenient to mount, and meanwhile, the roller is convenient to self-adjust when the bearing runs, so that the stability of the roller is improved.
As the utility model discloses a further setting, the length of middle section generating line is 1/3~1/2 of roller generating line length.
Among the above-mentioned technical scheme, ensure that the roller can laminate inside and outside lane raceway when using, roller contact stress distributes evenly when bearing, has promoted bearing capacity, has also guaranteed the stability of roller performance.
As a further arrangement of the utility model, the cross section of the oil storage tank is V-shaped.
Among the above-mentioned technical scheme, the groove of V type can be more convenient the unnecessary lubricating grease on collection roller surface, makes the lubricating grease on roller surface more even.
The present invention will be further described with reference to the accompanying drawings.
Drawings
FIG. 1 is an axial cross-sectional view of an embodiment of the present invention;
FIG. 2 is a radial cross-sectional view of an embodiment of the present invention;
fig. 3 is a schematic view of a half-retainer according to an embodiment of the present invention.
Detailed Description
When terms such as "upper" and "lower", "right" and "left" or similar relative expressions are used in the present embodiment, these refer only to the accompanying drawings and are not necessarily actual usage.
The embodiment of the utility model is shown in fig. 1-3, a high-bearing roller bearing, including outer lane 01, inner circle 02, roller 03 and holder 04, inner circle 02 and outer lane 01 are provided with inner circle raceway 021 and outer circle raceway 011 respectively, roller 03 includes middle section 031 and the side section 032 at middle section 031 both ends, middle section 031 is cylindrical, side section 032 is the toper and its generatrix is the arc of evagination, inner circle raceway 021 is straight cylindrical, middle section 031 hugs closely inner circle raceway 021 and rolls, the axial cross-section of outer circle raceway 011 is the arc of indent, side section 032 hugs closely outer circle raceway 011 and rolls, the axial cross-section of inner circle raceway 021 is the straight line, make roller 03 increase at axial floating amount, side section 032 and inner circle raceway 021 are because of its special shape, be formed with the clearance between the two, the clearance between side section 032 and the inner circle 02 makes the bearing realize the eccentricity of certain extent, increase roller 03's stability, the straight line contact of the middle segment 031 and the inner ring raceway 021 makes the static radial bearing capacity of the roller 03 large, guarantee the stability of the bearing operation, the retainer 04 includes two half retainers 041, the half retainers 041 are located at both ends of the roller 03, the half retainer 041 is provided with an expanding end 0411 at a position opposite to the roller 03, the two end faces of the roller 03 are provided with mounting cavities 033 for the expanding end 0411 to insert and rotate, the roller 03 can rotate with the expanding end 0411 as the axis, the retainer 04 prevents the roller 03 from scattering during the mounting and dismounting process to cause the roller 03 to be damaged, when the bearing operates, the retainer 04 guides and drives each roller 03 to rotate, so that the bearing operates more stably, a plurality of oil storage grooves 05 with V-shaped cross sections are circumferentially distributed on the contact surfaces of the inner ring raceway 021 and the outer ring raceway 011 and the roller 03, in the embodiment, the oil storage grooves 05 are divided into three groups, each group is composed of a plurality of oil, two groups of oil storage tanks are arranged on the outer ring raceway 011 and are respectively positioned on the surfaces of the outer ring raceway 011 and the two side sections 032, a group of oil storage tanks are arranged on the inner ring raceway 021 and the surfaces of the inner ring raceway 021 and the middle section 031, each group of oil storage tank is parallel to the bus of the roller 03 in contact, the side wall of the V-shaped oil storage tank 05 can scrape redundant lubricating grease on the side peripheral surface of the roller 03 to the part of the roller 03 lacking grease in the surface in the rolling process of the roller 03, so that the lubricating grease on the side peripheral surface of the roller 03 can be uniformly distributed, a certain amount of lubricating grease can be stored in the tank, the lubricating grease consumption is reduced, and the service life of the bearing is prolonged The outer ring raceway 011 has uniform contact stress distribution of the roller 03 during bearing, improves the bearing capacity and also ensures the stability of the performance of the roller 03.
The utility model discloses do not confine the above-mentioned embodiment to, the general technical personnel in this field can adopt other multiple embodiments to implement according to the utility model discloses a, perhaps all adopt the utility model discloses a design structure and thinking do simple change or change, all fall into the utility model discloses a protection scope.
Claims (6)
1. The utility model provides a high roller bearing that bears, includes outer lane, inner circle and roller, the inner circle is provided with inner circle raceway and outer lane raceway, its characterized in that respectively with the outer lane: the roller includes the middle section of an organic whole connection and the side section that is located the middle section both ends, the middle section is cylindrical, the side section is the arc that toper and its generating line are evagination, the inner circle raceway is straight cylindrical, the inner circle raceway rolls is hugged closely to the middle section, the axial cross-section of outer lane raceway is the arc of indent, the side section is hugged closely the outer lane raceway and is rolled.
2. A high load roller bearing according to claim 1, wherein: including the holder, the holder includes two half holders, two half holders are located the both ends of roller respectively, be equipped with the expansion end on the half holder, be equipped with the installation cavity that supplies expansion end cartridge on the face of roller both ends, the roller can use the expansion end to rotate as the axle center.
3. A high load-bearing roller bearing according to claim 1 or 2, wherein: and a plurality of oil storage tanks are uniformly distributed on the contact surfaces of the inner raceway and the outer raceway and the rollers in the circumferential direction.
4. A high load-bearing roller bearing according to claim 1 or 2, wherein: the central angle of the circular arc of the axial section of the outer ring raceway is 30-60 degrees.
5. A high load roller bearing according to claim 4, wherein: the length of the middle section bus is 1/3-1/2 of the length of the roller bus.
6. A high load roller bearing according to claim 3, wherein: the cross section of the oil storage tank is V-shaped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920579463.6U CN210118352U (en) | 2019-04-25 | 2019-04-25 | High-bearing roller bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920579463.6U CN210118352U (en) | 2019-04-25 | 2019-04-25 | High-bearing roller bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210118352U true CN210118352U (en) | 2020-02-28 |
Family
ID=69613327
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920579463.6U Active CN210118352U (en) | 2019-04-25 | 2019-04-25 | High-bearing roller bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210118352U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114483772A (en) * | 2022-01-25 | 2022-05-13 | 中国铁建重工集团股份有限公司 | Slewing bearing with high bearing capacity |
-
2019
- 2019-04-25 CN CN201920579463.6U patent/CN210118352U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114483772A (en) * | 2022-01-25 | 2022-05-13 | 中国铁建重工集团股份有限公司 | Slewing bearing with high bearing capacity |
| CN114483772B (en) * | 2022-01-25 | 2023-10-31 | 中国铁建重工集团股份有限公司 | Slewing bearing with high bearing capacity |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 325000 Binhai five road 515, Wenzhou economic and Technological Development Zone, Zhejiang Patentee after: C&U Co.,Ltd. Patentee after: SHANGHAI C&U GROUP Co.,Ltd. Address before: 325000 Binhai five road 515, Wenzhou economic and Technological Development Zone, Zhejiang Patentee before: C & U Group Ltd. Patentee before: SHANGHAI C&U GROUP Co.,Ltd. |