CN220748805U - Four-point angular contact agricultural machinery unit bearing - Google Patents
Four-point angular contact agricultural machinery unit bearing Download PDFInfo
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- CN220748805U CN220748805U CN202322469518.7U CN202322469518U CN220748805U CN 220748805 U CN220748805 U CN 220748805U CN 202322469518 U CN202322469518 U CN 202322469518U CN 220748805 U CN220748805 U CN 220748805U
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- container
- oil
- agricultural machinery
- ring
- angular contact
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- 238000002347 injection Methods 0.000 claims abstract description 32
- 239000007924 injection Substances 0.000 claims abstract description 32
- 238000005096 rolling process Methods 0.000 claims abstract description 22
- 238000007789 sealing Methods 0.000 claims description 28
- 239000002184 metal Substances 0.000 claims description 8
- 229920003023 plastic Polymers 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 7
- 238000012423 maintenance Methods 0.000 abstract description 6
- 230000002035 prolonged effect Effects 0.000 abstract description 6
- 239000003921 oil Substances 0.000 description 78
- 239000010687 lubricating oil Substances 0.000 description 13
- 238000005461 lubrication Methods 0.000 description 6
- 239000000243 solution Substances 0.000 description 4
- 238000005457 optimization Methods 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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- Rolling Contact Bearings (AREA)
Abstract
The utility model discloses a four-point angular contact agricultural machinery unit bearing, which comprises: the rolling elements and the retainer are arranged between the outer ring and the inner ring, the inner diameter surface of the outer ring and the outer diameter surface of the inner ring are provided with rollaway nest, and the radian of the rollaway nest arranged on the outer ring is the same as that of the rollaway nest arranged on the inner ring; an oil injection groove is formed in the side face of the outer ring, an oil way I is formed in the outer ring, one end of the oil way I is communicated with the inner part of the oil injection groove, and the other end of the oil way I is communicated with a roller path formed in the outer ring; the inner annular array of the inner ring is provided with a plurality of second oil ways, and one end of each second oil way is communicated with the rollaway nest arranged on the outer diameter surface of the inner ring. According to the four-point angular contact agricultural machinery unit bearing, through the structural design of the oil injection groove, the first oil way and the second oil way, oiling maintenance can be conveniently carried out on the bearing, friction between the rolling bodies and the outer ring can be effectively reduced, friction between the rolling bodies and the inner ring and friction between the inner ring and the rotating body can be reduced, and the service life of the bearing can be effectively prolonged.
Description
Technical Field
The utility model relates to the technical field of bearings, in particular to a four-point angular contact agricultural machinery unit bearing.
Background
Agricultural unit bearings (bearings) are an important component in contemporary agricultural equipment. Its main function is to support the rotating body of agricultural machinery, reduce the friction coefficient in the course of its movement and ensure its rotation accuracy.
As disclosed in chinese patent (CN 219176789U), an improved four-point angular contact ball bearing is disclosed, wherein: the bearing can realize online oiling, so that the bearing is fully lubricated during working; the number of steel balls is increased through the design of the ball blocking blocks, so that the bearing load is increased, and the service life of the bearing is prolonged; and keep the finished bearing to be the integral structure of not separating, the assembly is simple ", also recorded: the bearing seat filling lubrication oil hole is arranged at the center of the outer circumferential surface of the outer ring, the center of the outer circumferential surface of the deep groove ball coincides with the load center of the rollaway nest, and the oil hole cannot be opened, so that lubricating oil cannot be filled during the bearing operation, and the bearing cannot be fully lubricated during the bearing operation.
In summary, the following technical problems exist in the prior art: the bearing frame filling lubrication hole sets up in the center department of outer peripheral surface of outer lane, and the center of deep groove ball outer peripheral surface and the coincidence of raceway load center can not open the oilhole, consequently, can not fill lubricating oil at the bearing during operation, can not guarantee the bearing during operation and fully lubricate, for this, this application provides four-point angular contact agricultural machinery unit bearing, for solving the technical problem who mentions in the above-mentioned patent, provides new technical scheme.
Disclosure of Invention
Based on the above, it is necessary to provide a four-point angular contact agricultural machinery unit bearing aiming at the technical problems, and the oil filling maintenance can be conveniently carried out on the bearing through the structural design of the oil filling groove, the first oil way and the second oil way, so that the friction between the rolling body and the outer ring can be effectively reduced, the friction between the rolling body and the inner ring and the friction between the inner ring and the rotating body are reduced, and the service life of the bearing is effectively prolonged.
In order to solve the technical problems, the utility model adopts the following technical scheme:
the four-point angular contact agricultural machinery unit bearing is applied to agricultural machinery equipment rotator support.
The four-point angular contact agricultural machinery unit bearing specifically comprises: the rolling element and the retainer are arranged between the outer ring and the inner ring, the inner diameter surface of the outer ring and the outer diameter surface of the inner ring are provided with rollaway nest, and the radian of the rollaway nest arranged on the outer ring is the same as that of the rollaway nest arranged on the inner ring; an oil injection groove is formed in the side face of the outer ring, an oil way I is formed in the outer ring, one end of the oil way I is communicated with the interior of the oil injection groove, and the other end of the oil way I is communicated with a roller path formed in the outer ring; the inner annular array of the inner ring is provided with a plurality of second oil paths, one end of each second oil path is communicated with the rollaway nest arranged on the outer diameter surface of the inner ring, and the other end of each second oil path is communicated with the inner diameter surface of the inner ring.
In a preferred embodiment of the four-point angular contact agricultural machinery unit bearing provided by the utility model, an oil storage member is further arranged on the side surface of the outer ring and positioned at the oil injection groove.
As the preferred implementation mode of the four-point angular contact agricultural machinery unit bearing provided by the utility model, the oil storage part comprises a first connecting ring, the first connecting ring is embedded in the oil injection groove, the oil storage part further comprises a first container, one end of the first container is fixedly provided with an extension interface, the first container is in threaded connection with the first connecting ring through the extension interface, a first cavity is formed in the first container, the first cavity is communicated with the inside of the extension interface, and a first sealing part is detachably arranged at the other end of the first container.
In a preferred embodiment of the four-point angular contact agricultural machinery unit bearing provided by the utility model, the first container is made of any one of transparent plastic and metal.
In a preferred embodiment of the four-point angular contact agricultural machinery unit bearing provided by the utility model, a transverse groove is formed in one side of the first sealing element, which is far away from the first container.
As the preferred implementation mode of the four-point angular contact agricultural machinery unit bearing provided by the utility model, the oil storage part comprises a second connecting ring, the second connecting ring is embedded in the oil injection groove, one end of the second connecting ring, which is far away from the oil injection groove, extends to the outer side of the oil injection groove, the oil storage part also comprises a second container, a retracted interface is arranged at one end of the second container, which is close to the second connecting ring, the second container is in threaded connection with the second connecting ring through the retracted interface, a second cavity is arranged in the second container, the second cavity is communicated with the retracted interface, and a second sealing part is detachably arranged at one end of the second container, which is far away from the retracted interface.
As the preferred implementation mode of the four-point angular contact agricultural machinery unit bearing provided by the utility model, the second sealing piece is in threaded connection with the second container, and a tool slot is formed in one end, far away from the second container, of the second sealing piece.
In a preferred embodiment of the four-point angular contact agricultural machinery unit bearing provided by the utility model, the second sealing member is in threaded connection with the second container, and a raised line is fixed at one end of the second sealing member far away from the second container.
In a preferred embodiment of the four-point angular contact agricultural machinery unit bearing provided by the utility model, the material of the second container is any one of transparent plastic or metal.
In a preferred embodiment of the four-point angular contact agricultural machinery unit bearing provided by the utility model, the second sealing member is made of rubber.
Compared with the prior art, the utility model has the following beneficial effects:
according to the four-point angular contact agricultural machinery unit bearing, through the structural design of the oil injection groove, the first oil way and the second oil way, oiling maintenance can be conveniently carried out on the bearing, friction between the rolling bodies and the outer ring can be effectively reduced, friction between the rolling bodies and the inner ring and friction between the inner ring and the rotating body can be reduced, and the service life of the bearing can be effectively prolonged.
According to the four-point angular contact agricultural machinery unit bearing, through the structural design of the oil storage part, the oil storage quantity of the bearing can be effectively improved, so that the maintenance oil filling times are reduced.
Drawings
In order to more clearly illustrate the solution of the present utility model, a brief description will be given below of the drawings required for the description of the embodiments, it being obvious that the drawings in the following description are some embodiments of the present utility model, and that other drawings may be obtained from these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of the overall structure of a four-point angular contact agricultural machinery unit bearing provided by the utility model;
FIG. 2 is a cross-sectional view of the overall cross-sectional structure of the four-point angular contact agricultural machinery unit bearing provided by the present utility model;
FIG. 3 is an enlarged view of the overall cross-sectional structure of the four-point angular contact agricultural machinery unit bearing provided by the utility model;
FIG. 4 is a schematic structural view of a first connecting ring, a first container and a first sealing member of a four-point angular contact agricultural machinery unit bearing provided by the utility model;
FIG. 5 is a schematic view of a structure of a second connecting ring, a second container and a second sealing member of a four-point angular contact agricultural machinery unit bearing provided by the utility model;
FIG. 6 is a schematic view of a four-point angular contact agricultural machinery unit bearing tool socket according to the present utility model;
FIG. 7 is a schematic view of a structure of a second seal and a protrusion of a four-point angular contact agricultural machinery unit bearing provided by the present utility model;
fig. 8 is a schematic structural view of another second seal and a protrusion of the four-point angular contact agricultural machinery unit bearing provided by the present utility model.
The labels in the figures are illustrated below:
1. an outer ring; 2. an inner ring; 3. a rolling element; 4. a retainer; 5. an oil injection groove; 6. an oil way I; 7. an oil path II; 8. a first connection ring; 9. a first container; 10. an extension interface; 11. a first cavity; 12. a first seal; 13. a second connecting ring; 14. a second container; 15. a retraction interface; 16. a second cavity; 17. a second seal; 18. a tool slot; 19. a convex strip.
Detailed Description
In order that those skilled in the art will better understand the present utility model, a technical solution in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in which it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present utility model without making any inventive effort, shall fall within the scope of the present utility model.
As described in the background art, the bearing housing filling lubrication hole is provided at the center of the outer circumferential surface of the outer ring, and the center of the outer circumferential surface of the deep groove ball coincides with the raceway load center, so that the lubrication hole cannot be opened, and therefore, the lubrication oil cannot be filled during the operation of the bearing, and the sufficient lubrication during the operation of the bearing cannot be ensured.
In order to solve the technical problem, the utility model provides a four-point angular contact agricultural machinery unit bearing which is applied to agricultural machinery equipment rotator support.
Specifically, referring to fig. 1 to 3, the four-point angular contact agricultural machinery unit bearing specifically includes: the rolling elements 3 and the retainer 4 are arranged between the outer ring 1 and the inner ring 2, the inner diameter surface of the outer ring 1 and the outer diameter surface of the inner ring 2 are provided with rollaway nest, and the radian of the rollaway nest formed by the outer ring 1 and the inner ring 2 is the same; an oil injection groove 5 is formed in the side face of the outer ring 1, an oil way I6 is further formed in the outer ring 1, one end of the oil way I6 is communicated with the inner part of the oil injection groove 5, and the other end of the oil way I6 is communicated with a roller path formed in the outer ring 1; the inner annular array of the inner ring 2 is provided with a plurality of second oil ways 7, one end of each second oil way 7 is communicated with a rollaway nest arranged on the outer diameter surface of the inner ring 2, and the other end of each second oil way 7 is communicated with the inner diameter surface of the inner ring 2.
According to the four-point angular contact agricultural machinery unit bearing, through the structural design of the oil injection groove 5, the first oil way 6 and the second oil way 7, oiling maintenance can be conveniently carried out on the bearing, friction between the rolling body 3 and the outer ring 1 can be effectively reduced, friction between the rolling body 3 and the inner ring 2 and friction between the inner ring 2 and the rotating body are reduced, and the service life of the bearing is effectively prolonged.
In order to make the person skilled in the art better understand the solution of the present utility model, the technical solution of the embodiment of the present utility model will be clearly and completely described below with reference to the accompanying drawings.
Example 1:
referring to fig. 1-3, a four-point angular contact agricultural machinery unit bearing, comprising: the rolling elements 3 and the retainer 4 are arranged between the outer ring 1 and the inner ring 2, the inner diameter surface of the outer ring 1 and the outer diameter surface of the inner ring 2 are provided with rollaway nest, and the radian of the rollaway nest formed by the outer ring 1 and the inner ring 2 is the same;
specifically, the side surface of the outer ring 1 is provided with the oil injection groove 5, the inner part of the outer ring 1 is also provided with the first oil way 6, one end of the first oil way 6 is communicated with the inner part of the oil injection groove 5, and the other end of the first oil way 6 is communicated with the rollaway nest formed in the outer ring 1, so that lubricating oil can be injected into the inner part of the outer ring 1 through the oil injection groove 5, and the injected lubricating oil can enter the rollaway nest formed in the inner diameter surface of the outer ring 1 through the first oil way 6, so that the lubricating oil can be contacted with the surface of the rolling body 3, further friction between the rolling body 3 and the outer ring 1 is reduced, and friction between the rolling body 3 and the inner ring 2 is reduced; the inner annular array of the inner ring 2 is provided with a plurality of second oil paths 7, one end of each second oil path 7 is communicated with a roller path arranged on the outer diameter surface of the inner ring 2, the other end of each second oil path 7 is communicated with the inner diameter surface of the inner ring 2, and lubricating oil can flow into the roller path arranged on the inner ring 2 through the rolling of the rolling bodies 3, so that the lubricating oil can enter the inner diameter surface of the inner ring 2 through the second oil paths 7, and friction between the inner ring 2 and the rotating body can be reduced.
Therefore, through the structural design of the oil injection groove, the first oil way and the second oil way, the bearing can be conveniently subjected to oiling maintenance, the friction between the rolling body and the outer ring can be effectively reduced, the friction between the rolling body and the inner ring and the friction between the inner ring and the rotating body can be reduced, and the service life of the bearing can be effectively prolonged.
Furthermore, in order to promote the oil storage of this bearing, and then reduce and maintain the number of times of refueling, the position department that just is located oil filler groove 5 of outer lane 1 side still is provided with the oil storage spare.
Example 2:
for the further optimization of the four-point angular contact agricultural machinery unit bearing provided in embodiment 1, specifically, as shown in fig. 4, the oil storage part comprises a first connecting ring 8, the first connecting ring 8 is embedded in the oil injection groove 5, the oil storage part further comprises a first container 9, one end of the first container 9 is fixed with an extension interface 10, the first container 9 is in threaded connection with the first connecting ring 8 through the extension interface 10, a first cavity 11 is provided in the first container 9, the first cavity 11 is communicated with the inside of the extension interface 10, and a first sealing part 12 is detachably arranged at the other end of the first container 9.
As can be seen, the first cavity 11 formed inside the first container 9 can store lubricating oil, the lubricating oil inside the first cavity 11 can flow into the oil injection groove 5 for oiling through the connection between the extension interface 10 and the first connecting ring 8, and the first container 9 can be disassembled through the threaded connection between the extension interface 10 and the first connecting ring 8, so that the lubricating oil can be conveniently added into the first container 9 again; the first sealing element 12 can be detached from the first container 9, so that the oil can be directly added into the first container 9 without detaching the first container 9; wherein, in order to facilitate the disassembly of the first sealing element 12, a transverse groove is arranged on one side of the first sealing element 12 away from the first container 9.
Further, the material of the first container 9 is any one of transparent plastic or metal; when the first container 9 is made of transparent plastic, the residual oil liquid in the first container 9 can be conveniently observed; when the first container 9 is made of metal, the heat resistance of the oil storage part can be effectively improved.
Example 3:
for further optimization of the four-point angular contact agricultural machinery unit bearing provided in embodiment 1, specifically, as shown in fig. 5-6, the oil storage part comprises a second connecting ring 13, the second connecting ring 13 is embedded in the oil injection groove 5, one end of the second connecting ring 13 far away from the oil injection groove 5 extends to the outer side of the oil injection groove 5, the oil storage part further comprises a second container 14, a retracted connector 15 is formed at one end of the second container 14 close to the second connecting ring 13, the second container 14 is in threaded connection with the second connecting ring 13 through the retracted connector 15, a second cavity 16 is formed in the second container 14, the second cavity 16 is communicated with the retracted connector 15, and a second sealing part 17 is detachably arranged at one end of the second container 14 far away from the retracted connector 15.
As can be seen, the second cavity 16 formed inside the second container 14 can store lubricating oil, the lubricating oil inside the second cavity 16 can flow into the oil injection groove 5 for oiling through the connection between the shrink-in interface 15 and the second connecting ring 13, and the second container 14 can be disassembled through the threaded connection between the shrink-in interface 15 and the second connecting ring 13, so that the lubricating oil can be conveniently added into the second container 14 again; the second sealing member 17 can be removed from the second container 14, so that the oil can be directly added into the second container 14 without removing the second container 14; wherein, in order to use the instrument to dismantle second sealing member 17, second sealing member 17 and second container 14 threaded connection, second sealing member 17 is kept away from the one end of second container 14 and is offered instrument slot 18.
Further, the material of the second container 14 is any one of transparent plastic or metal; when the second container 14 is made of transparent plastic, the residual oil in the second container 14 can be conveniently observed; when the second container 14 is made of metal, the heat resistance of the oil storage member can be effectively improved.
Example 5:
the four-point angular contact agricultural machinery unit bearing provided in embodiment 3 is further optimized, specifically, as shown in fig. 7, the second sealing member 17 is in threaded connection with the second container 14, one end, far away from the second container 14, of the second sealing member 17 is fixed with the convex strip 19, through the structural design, the disassembly and assembly of the second sealing member 17 are more convenient and quick without using tools.
Example 4:
the four-point angular contact agricultural machinery unit bearing provided in embodiment 3 is further optimized, specifically, as shown in fig. 8, the material of the second sealing member 17 is rubber, the second sealing member 17 is connected with the second container 14 in a plugging manner, and the second sealing member 17 is in interference fit with the second container 14, so that the second sealing member 17 is more convenient and faster to disassemble and assemble through the structural design.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (10)
1. Four-point angular contact agricultural machinery unit bearing, its characterized in that includes: the rolling bearing comprises an outer ring (1), an inner ring (2), rolling bodies (3) and a retainer (4) which are positioned between the outer ring (1) and the inner ring (2), wherein rollways are formed in the inner diameter surface of the outer ring (1) and the outer diameter surface of the inner ring (2), and the radian of each rollway formed in the outer ring (1) is the same as that of each rollway formed in the inner ring (2); an oil injection groove (5) is formed in the side face of the outer ring (1), an oil way I (6) is formed in the outer ring (1), one end of the oil way I (6) is communicated with the interior of the oil injection groove (5), and the other end of the oil way I (6) is communicated with a raceway formed in the outer ring (1); a plurality of second oil ways (7) are formed in the annular array inside the inner ring (2), one end of each second oil way (7) is communicated with a rollaway nest formed in the outer diameter surface of the inner ring (2), and the other end of each second oil way (7) is communicated with the inner diameter surface of the inner ring (2).
2. The four-point angular contact agricultural machinery unit bearing of claim 1, wherein the outer ring (1) is further provided with an oil reservoir at a position laterally of the oil injection groove (5).
3. The four-point angular contact agricultural machinery unit bearing of claim 2, wherein the oil storage part comprises a first connecting ring (8), the first connecting ring (8) is embedded in the oil injection groove (5), the oil storage part further comprises a first container (9), one end of the first container (9) is fixedly provided with an extension interface (10), the first container (9) is in threaded connection with the first connecting ring (8) through the extension interface (10), a first cavity (11) is formed in the first container (9), the first cavity (11) is communicated with the inside of the extension interface (10), and a first sealing element (12) is detachably arranged at the other end of the first container (9).
4. A four-point angular contact agricultural machinery unit bearing according to claim 3, characterized in that the material of the first container (9) is any one of transparent plastic or metal.
5. A four-point angular contact agricultural machinery unit bearing according to claim 3, characterized in that the side of the first seal (12) remote from the first container (9) is provided with a transverse groove.
6. The four-point angular contact agricultural machinery unit bearing according to claim 2, wherein the oil storage part comprises a second connecting ring (13), the second connecting ring (13) is embedded in the oil injection groove (5), one end of the second connecting ring (13) far away from the oil injection groove (5) extends to the outer side of the oil injection groove (5), the oil storage part further comprises a second container (14), a retracted interface (15) is formed at one end, close to the second connecting ring (13), of the second container (14), the second container (14) is in threaded connection with the second connecting ring (13) through the retracted interface (15), a second cavity (16) is formed in the second container (14), the second cavity (16) is communicated with the retracted interface (15), and a second sealing part (17) is detachably arranged at one end, far away from the retracted interface (15), of the second container (14).
7. The four-point angular contact agricultural machinery unit bearing of claim 6, wherein the second seal (17) is threadedly connected to the second container (14), and a tool slot (18) is provided at an end of the second seal (17) remote from the second container (14).
8. The four-point angular contact agricultural machinery unit bearing of claim 6, wherein the second seal (17) is screwed with the second container (14), and a protruding strip (19) is fixed at an end of the second seal (17) away from the second container (14).
9. The four-point angular contact agricultural machinery unit bearing of claim 6, wherein the material of the second container (14) is any one of transparent plastic or metal.
10. The four-point angular contact agricultural machinery unit bearing of claim 6, wherein the material of the second seal (17) is rubber.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202322469518.7U CN220748805U (en) | 2023-09-12 | 2023-09-12 | Four-point angular contact agricultural machinery unit bearing |
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Application Number | Priority Date | Filing Date | Title |
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CN202322469518.7U CN220748805U (en) | 2023-09-12 | 2023-09-12 | Four-point angular contact agricultural machinery unit bearing |
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CN220748805U true CN220748805U (en) | 2024-04-09 |
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ID=90563976
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CN202322469518.7U Active CN220748805U (en) | 2023-09-12 | 2023-09-12 | Four-point angular contact agricultural machinery unit bearing |
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CN (1) | CN220748805U (en) |
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2023
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