CN219101858U - Rotary support roller bearing - Google Patents
Rotary support roller bearing Download PDFInfo
- Publication number
- CN219101858U CN219101858U CN202320115216.7U CN202320115216U CN219101858U CN 219101858 U CN219101858 U CN 219101858U CN 202320115216 U CN202320115216 U CN 202320115216U CN 219101858 U CN219101858 U CN 219101858U
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- outer ring
- cylindrical roller
- connecting hole
- retainer
- clamping groove
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
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Abstract
The utility model provides a rotary support roller bearing, which belongs to the technical field of cylindrical roller bearings and aims to solve the problems of axial force, radial force and overturning moment of a traditional cylindrical roller bearing when the traditional cylindrical roller bearing does not have rotary support, and comprises an upper outer ring; the lower part of the upper outer ring is fixedly connected with a lower outer ring through a screw; a retainer is arranged between the lower outer ring and the upper outer ring; a first cylindrical roller is longitudinally arranged between the upper part of the retainer and the upper outer ring. The utility model is provided with the first cylindrical roller, the first cylindrical roller is longitudinally clamped between the notch at the inner side of the upper outer ring and the top surface of the retainer, the second cylindrical roller is clamped in the straight clamping groove, the third cylindrical roller is crossly arranged and clamped between the inside of the inclined clamping groove and the right-angle clamping groove, and compared with the traditional cylindrical roller bearing, the bearing is greatly improved in the capability of supporting the axial force, the radial force and the overturning moment during rotation through the comprehensive arrangement of the first cylindrical roller, the second cylindrical roller and the third cylindrical roller.
Description
Technical Field
The utility model belongs to the technical field of cylindrical roller bearings, and particularly relates to a rotary support roller bearing.
Background
The cylindrical roller bearing, namely the radial rolling bearing with the cylindrical rollers as rolling bodies, adopts the structure that the rollers are arranged in parallel, and a spacer or a spacer block is arranged between the rollers, so that the inclination of the rollers or the mutual friction between the rollers can be prevented, and the increase of the rotation torque can be effectively prevented.
The cylindrical roller bearing in the prior art does not have axial force, radial force and overturning moment which are born by the support during rotation, and the arrangement state or clearance of the cylindrical rollers is required to be changed after the axial force, the radial force and the overturning moment which are born by the bearing are increased, so that the requirement for the oil storage amount of lubricating oil is increased, and the traditional cylindrical roller bearing is difficult to meet; the outer ring adopts a fixed structure, so that the bearing is difficult to detach and clean; when the rolling surface of the roller has periodic vibration and noise caused by cracks, indentations or rust, the rolling surface is difficult to avoid being inclined when being installed into a bearing seat so as to reduce the vibration and noise.
Disclosure of Invention
In order to solve the technical problems, the utility model provides a rotary support roller bearing, which is used for solving the problems that the conventional cylindrical roller bearing is not provided with axial force, radial force and overturning moment which are born by a support during rotation, and the arrangement state or clearance of the cylindrical rollers is required to be changed after the bearing is internally provided with the axial force, the radial force and the overturning moment, so that the requirement for lubricating oil storage capacity is increased, and the conventional cylindrical roller bearing is difficult to meet; the bearing is difficult to disassemble and clean; when the rolling surface of the slewing support has periodic vibration and noise caused by cracks, indentations or rust, the problem of reducing the vibration and noise caused by tilting is difficult to avoid when the slewing support is installed into a bearing seat.
The utility model discloses a rotary support roller bearing, which is characterized by comprising the following specific technical means:
a slewing bearing comprises an upper outer ring; the lower part of the upper outer ring is fixedly connected with a lower outer ring through a screw; a retainer is arranged between the lower outer ring and the upper outer ring; a first cylindrical roller is longitudinally arranged between the upper part of the retainer and the upper outer ring, a second cylindrical roller is transversely arranged on the retainer, a third cylindrical roller is arranged between the lower part of the retainer and the lower outer ring, and a sealing ring is arranged on the outer side of the retainer.
Further, the inside of going up the outer lane is equipped with the connecting hole, and the upper segment diameter of going up the connecting hole is greater than the hypomere diameter, and the screw runs through the connecting hole, and goes up the top of connecting hole and is equipped with rings, and the inboard bottom of going up the outer lane is equipped with the breach.
Further, be equipped with down connecting hole and right angle draw-in groove on the lower outer lane, the connecting hole is located under the connecting hole down, and the diameter and the screw thread direction of connecting hole down all are the same with the hypomere of last connecting hole down, and right angle draw-in groove is located the inboard top of outer lane down.
Further, a straight clamping groove in the horizontal direction is formed in the upper portion of the outer side of the retainer, and an inclined clamping groove is formed in the lower portion of the outer side of the retainer.
Further, an oil storage tank is arranged in the middle of the inner side surface of the sealing ring and is positioned at the outer side of the second cylindrical roller.
Further, the first cylinder rolls vertically joint between the inboard breach of last outer lane and the top surface of holder, and the second cylinder rolls the joint in straight draw-in groove inside, and the third cylinder rolls alternately arranges the joint in oblique draw-in groove inside and right angle draw-in groove.
The utility model at least comprises the following beneficial effects:
1. the utility model is provided with the cylindrical rollers, the first cylindrical roller is longitudinally clamped between the notch on the inner side of the upper outer ring and the top surface of the retainer, the second cylindrical roller is clamped in the straight clamping groove, the third cylindrical roller is crossly arranged and clamped between the inside of the inclined clamping groove and the right-angle clamping groove, and compared with the traditional cylindrical roller bearing, the bearing is greatly improved in the capability of supporting the axial force, the radial force and the overturning moment during rotation through the comprehensive arrangement of the first cylindrical roller, the second cylindrical roller and the third cylindrical roller.
2. The sealing ring is arranged, the joint between the upper outer ring and the lower outer ring is sealed by the sealing ring, oil leakage is avoided, meanwhile, the oil storage amount of lubricating oil in the bearing is increased by the oil storage groove on the inner side surface of the sealing ring, and the lubricating effect is improved.
3. The utility model is provided with the lower connecting hole, the screw can be fixedly connected with the upper outer ring and the lower outer ring by utilizing the matching of the lower connecting hole and the upper connecting hole, the fixed connection of the outer ring is completed, and the disassembly and the cleaning are convenient when the outer ring has dust and other foreign matters to vibrate aperiodically in a detachable installation mode.
4. The utility model is provided with the upper connecting hole, the screw can sink by utilizing the diameter of the upper section of the upper connecting hole, the screw is prevented from protruding out of the top surface of the upper outer ring, the installation or rotation of the bearing is not influenced, when the outer ring is placed in the bearing seat, the hanging ring at the top end of the upper connecting hole is utilized to enable the mechanical claw to have a force point for hooking, the outer ring can sink evenly when being hooked and installed in the bearing seat, the bearing is prevented from being obliquely installed, and therefore, the periodical vibration and noise caused by cracks, indentations or rust on the rolling surface of the rotary support are reduced.
Drawings
Fig. 1 is a schematic view of the structure of the upper outer ring of the present utility model.
Fig. 2 is a schematic cross-sectional view of the upper outer race of the present utility model.
FIG. 3 is a schematic view of the seal ring of the present utility model.
Fig. 4 is a schematic cross-sectional structure of the cage of the present utility model.
Fig. 5 is a schematic cross-sectional view of the lower outer ring of the present utility model.
Fig. 6 is an enlarged schematic view of the structure of fig. 2 a according to the present utility model.
In the figure, the correspondence between the component names and the drawing numbers is:
1. an upper outer ring; 101. an upper connection hole; 2. a lower outer ring; 201. a lower connection hole; 202. a right-angle clamping groove; 3. a retainer; 301. a straight clamping groove; 302. an inclined clamping groove; 4. a seal ring; 401. an oil storage tank; 5. a first cylindrical roll; 6. a second cylindrical roll; 7. and a third cylindrical roller.
Detailed Description
Embodiments of the present utility model are described in further detail below with reference to the accompanying drawings and examples.
Examples:
as shown in fig. 1 to 6:
the utility model provides a rotary support roller bearing, which comprises an upper outer ring 1; the lower part of the upper outer ring 1 is fixedly connected with a lower outer ring 2 through screws; a retainer 3 is arranged between the lower outer ring 2 and the upper outer ring 1; a first cylindrical roller 5 is longitudinally arranged between the upper part of the retainer 3 and the upper outer ring 1, a second cylindrical roller 6 is transversely arranged on the retainer 3, a third cylindrical roller 7 is arranged between the lower part of the retainer 3 and the lower outer ring 2, and a sealing ring 4 is arranged on the outer side of the retainer 3.
As shown in fig. 2, the first cylindrical roller 5 is longitudinally clamped between the inner notch of the upper outer ring 1 and the top surface of the retainer 3, the second cylindrical roller 6 is clamped inside the straight clamping groove 301, the third cylindrical roller 7 is crossly arranged and clamped between the inside of the inclined clamping groove 302 and the right-angle clamping groove 202, and the bearing is increased in axial force, radial force and overturning moment compared with the traditional cylindrical roller bearing by comprehensively arranging the first cylindrical roller 5, the second cylindrical roller 6 and the third cylindrical roller 7.
As shown in fig. 3, an oil storage tank 401 is arranged in the middle of the inner side surface of the sealing ring 4, the oil storage tank 401 is located at the outer side of the second cylindrical roller 6, the sealing ring 4 is utilized to seal the joint between the upper outer ring 1 and the lower outer ring 2, oil leakage is avoided, and meanwhile the oil storage tank 401 on the inner side surface of the sealing ring 4 is utilized to increase the oil storage capacity of lubricating oil in the bearing, so that the lubricating effect is improved.
As shown in fig. 4, a horizontal straight clamping groove 301 is formed above the outer side of the retainer 3, an inclined clamping groove 302 is formed below the outer side of the retainer 3, and the second cylindrical roller 6 can be clamped and mounted by the straight clamping groove 301, so that the load is increased.
As shown in fig. 5 and fig. 6, the lower outer ring 2 is provided with a lower connecting hole 201 and a right-angle clamping groove 202, the lower connecting hole 201 is located under the upper connecting hole 101, the diameter and the thread direction of the lower connecting hole 201 are the same as those of the lower section of the upper connecting hole 101, the right-angle clamping groove 202 is located above the inner side of the lower outer ring 2, the lower connecting hole 201 is matched with the upper connecting hole 101 to enable a screw to be fixedly connected with the upper outer ring 1 and the lower outer ring 2, the fixed connection of the outer ring is completed, and in addition, through the detachable mounting mode of the outer ring, when dust and other foreign matters vibrate aperiodically on the inner side of the outer ring, the disassembly and cleaning are convenient.
As shown in fig. 6, an upper connecting hole 101 is formed in the upper outer ring 1, the diameter of the upper section of the upper connecting hole 101 is larger than that of the lower section, a screw penetrates through the upper connecting hole 101, a hanging ring is arranged at the top end of the upper connecting hole 101, a notch is formed in the bottom end of the inner side of the upper outer ring 1, the screw can sink by the diameter of the upper section of the upper connecting hole 101, the screw is prevented from protruding out of the top surface of the upper outer ring 1, the installation or rotation of a bearing is not affected, when the outer ring is placed in a bearing seat, a mechanical claw is enabled to have a force point for hooking by the hanging ring at the top end of the upper connecting hole 101, the hook outer ring can sink at a uniform force level when being installed in the bearing seat in a sinking mode, the bearing is prevented from being inclined in installation, and periodic vibration and noise caused by cracks, indentations or rust on the rolling surface of a rotary support are reduced.
Specific use and action of the embodiment:
in the utility model, a first cylindrical roller 5 is longitudinally clamped between an inner notch of an upper outer ring 1 and the top surface of a retainer 3, a second cylindrical roller 6 is clamped inside a straight clamping groove 301, a third cylindrical roller 7 is crossly arranged and clamped between the inside of an inclined clamping groove 302 and a right-angle clamping groove 202, and a lower connecting hole 201 is matched with an upper connecting hole 101 to enable a screw to be fixedly connected with the upper outer ring 1 and the lower outer ring 2, so that the fixed connection of the outer rings is completed.
Claims (8)
1. A slewing bearing roller bearing, characterized in that: comprises an upper outer ring (1); the lower part of the upper outer ring (1) is fixedly connected with a lower outer ring (2) through a screw; a retainer (3) is arranged between the lower outer ring (2) and the upper outer ring (1); a first cylindrical roller (5) is longitudinally arranged between the upper part of the retainer (3) and the upper outer ring (1), a second cylindrical roller (6) is transversely arranged on the retainer (3), a third cylindrical roller (7) is arranged between the lower part of the retainer (3) and the lower outer ring (2), and a sealing ring (4) is arranged on the outer side of the retainer (3).
2. A slewing bearing as claimed in claim 1, wherein an upper connecting hole (101) is formed in the upper outer ring (1), the upper section of the upper connecting hole (101) has a larger diameter than the lower section, a screw penetrates the upper connecting hole (101), a hanging ring is arranged at the top end of the upper connecting hole (101), and a notch is formed at the bottom end of the inner side of the upper outer ring (1).
3. A slewing bearing as claimed in claim 1, wherein the lower outer ring (2) is provided with a lower connecting hole (201) and a right-angle clamping groove (202), the lower connecting hole (201) is located right below the upper connecting hole (101), the diameter and the thread direction of the lower connecting hole (201) are the same as those of the lower section of the upper connecting hole (101), and the right-angle clamping groove (202) is located above the inner side of the lower outer ring (2).
4. A slewing bearing as claimed in claim 3, characterized in that the cage (3) is provided with a horizontal straight slot (301) above the outer side and a diagonal slot (302) below the outer side.
5. A slewing bearing as claimed in claim 1, wherein the sealing ring (4) has a central oil reservoir (401) in the inner side thereof, the oil reservoir (401) being located outside the second cylindrical roller (6).
6. A slewing bearing as claimed in claim 1, wherein the first cylindrical roller (5) is longitudinally clamped between the inner gap of the upper outer ring (1) and the top surface of the cage (3).
7. A slewing bearing as claimed in claim 4, characterised in that the second cylindrical roller (6) is clamped inside the straight clamping groove (301).
8. A slewing bearing as claimed in claim 4, wherein the third cylindrical rollers (7) are clamped between the inside of the inclined clamping groove (302) and the right-angle clamping groove (202) in a crossed arrangement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320115216.7U CN219101858U (en) | 2023-02-05 | 2023-02-05 | Rotary support roller bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320115216.7U CN219101858U (en) | 2023-02-05 | 2023-02-05 | Rotary support roller bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219101858U true CN219101858U (en) | 2023-05-30 |
Family
ID=86455999
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320115216.7U Active CN219101858U (en) | 2023-02-05 | 2023-02-05 | Rotary support roller bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219101858U (en) |
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2023
- 2023-02-05 CN CN202320115216.7U patent/CN219101858U/en active Active
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