CN219692218U - Lubricating structure and wind power gear box - Google Patents
Lubricating structure and wind power gear box Download PDFInfo
- Publication number
- CN219692218U CN219692218U CN202320292650.2U CN202320292650U CN219692218U CN 219692218 U CN219692218 U CN 219692218U CN 202320292650 U CN202320292650 U CN 202320292650U CN 219692218 U CN219692218 U CN 219692218U
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- Prior art keywords
- oil
- bearing
- delivery pipe
- collecting groove
- structure according
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- 230000001050 lubricating effect Effects 0.000 title claims description 17
- 238000005461 lubrication Methods 0.000 claims abstract description 45
- 230000005540 biological transmission Effects 0.000 claims description 22
- 239000012530 fluid Substances 0.000 claims description 10
- 238000009434 installation Methods 0.000 claims description 9
- 238000004064 recycling Methods 0.000 abstract description 2
- 239000003921 oil Substances 0.000 description 212
- 238000000034 method Methods 0.000 description 6
- 239000010687 lubricating oil Substances 0.000 description 4
- 239000003595 mist Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000008707 rearrangement Effects 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000004544 sputter deposition Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001502 supplementing effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- 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
Abstract
The utility model relates to the technical field of bearing lubrication, and provides a lubrication structure and a wind power gear box. The oil collecting groove realizes the recycling of oil. The first oil conveying pipeline can convey oil in one oil collecting groove to the first bearing and the second bearing which are positioned on two sides of the bearing seat in the axial direction respectively, oil lubrication can be provided for the bearings on two sides of the bearing seat at the same time, and the lubrication structure of the bearing seat is optimized.
Description
Technical Field
The utility model relates to the technical field of bearing lubrication, in particular to a lubricating structure and a wind power gear box.
Background
In the gear box, the bearing is often clamped between the rotating piece and the shell, so as to support the rotating piece and reduce friction between the rotating piece and the shell in the rotating process, and further reduce noise and heat generated by friction. Therefore, ensuring lubrication of the bearing is an important factor for improving the reliability of the gear box, generally, the lubrication of the bearing is generally divided into forced lubrication and non-forced lubrication in the gear box, the forced lubrication generally requires a driving piece of a pump to spray lubrication oil on a lubrication point of the bearing, and an external power supply is required by adopting a motor pump, so that certain requirements are provided for the use environment, and the applicability is not strong; while non-forced lubrication is usually achieved by splash lubrication or by immersing the bearings in an oil sump, splash lubrication does not provide sufficient amount of lubrication for the bearings, and the oil sump is prone to accumulation of contaminants and wear of the bearings.
Because the rotating member is easy to splash lubricating oil in the rotating process, and because the heat energy generated in the rotating process of the rotating member, the lubricating oil is converted into oil mist to be attached to the wall of the gearbox, so that new lubricating oil is required to be continuously supplied into the gearbox, and the oil waste is caused. Therefore, the oil collecting groove is arranged in the existing part of the gear box and is used for collecting sputtered oil and oil attached to the wall of the gear box, and the collected oil is led to the bearing for recycling.
In general, the oil collecting groove is arranged above the bearing and located at the same side of the end cover or the box body along the axial direction of the bearing box, and the oil collecting groove is used for supplying oil to the bearing at the same side. In the wind power field, a gearbox is generally composed of a multistage planetary structure and a parallel stage structure, wherein a downwind bearing of a previous stage and an upwind bearing of a next stage are mounted on the same bearing block so as to be axially positioned. In the rotating process of the rotating piece, the oil sputtering conditions at the two ends of the bearing seat are different, and the lubrication degree of the upwind bearing and the downwind bearing is difficult to be consistent by adopting the existing oil collecting groove design.
Therefore, a lubrication structure and a wind power gear box are needed to solve the above technical problems.
Disclosure of Invention
The utility model aims to provide a lubrication structure and a wind power gear box, which can ensure that the lubrication degree of an upwind bearing is consistent with that of a downwind bearing.
To achieve the purpose, the utility model adopts the following technical scheme:
the lubrication structure comprises a shell, wherein an installation cavity is formed in the shell and is used for installing a transmission piece, a bearing seat is arranged in the installation cavity, the transmission piece is rotationally connected with the bearing seat through a bearing, the bearing comprises a first bearing and a second bearing, the first bearing and the second bearing are respectively positioned on two sides of the bearing seat along the axial direction of the transmission piece, an oil collecting groove is formed in the bearing seat in the vertical direction, the oil collecting groove is not lower than the bearing, a first oil conveying pipeline is arranged in the bearing seat, the oil inlet end of the first oil conveying pipeline is communicated with the oil collecting groove, and the oil outlet end of the first oil conveying pipeline is respectively used for providing oil for the first bearing and the second bearing.
As a preferable technical scheme of the lubricating structure, along an axial direction of the transmission member, the oil collecting grooves are respectively formed in two sides of the bearing seat, the oil collecting grooves comprise a first oil collecting groove and a second oil collecting groove, the first oil collecting groove and the first bearing are located on the same side relative to the bearing seat, the second oil collecting groove and the second bearing are located on the same side, and the first oil collecting groove is communicated with the first oil conveying pipe.
As a preferable technical scheme of the lubricating structure, the bearing seat is further provided with a second oil conveying pipeline, an oil inlet end of the second oil conveying pipeline is communicated with the second oil collecting groove, and an oil outlet end provides oil for the second bearing.
As a preferable embodiment of the lubricating structure, an outlet end of the first oil pipe corresponds to one axial end of the second bearing, and an outlet end of the second oil pipe corresponds to the other axial end of the second bearing.
As a preferable technical scheme of the lubricating structure, the bearing seat is further provided with a second oil conveying pipeline, an oil inlet end of the second oil conveying pipeline is communicated with the first oil collecting groove, an outlet end of the second oil conveying pipeline corresponds to one axial end of the first bearing, and an outlet end of the first oil conveying pipeline corresponds to the other axial end of the first bearing.
As a preferable technical scheme of the lubricating structure, the first oil delivery pipeline is provided with at least two oil inlet ends, and the oil inlet ends are respectively communicated with the first oil collecting groove and the second oil collecting groove.
As a preferable embodiment of the lubricating structure, the bearing housing and the housing are integrally cast.
As a preferable technical scheme of the lubricating structure, the bearing seat is provided with an oil baffle block, a gap between the oil baffle block and the bearing seat forms the oil collecting groove, and the oil baffle block is detachably connected with the bearing seat;
or, the oil baffle block and the bearing seat are integrally cast.
As a preferable technical scheme of the lubricating structure, the oil collecting groove is formed in a fan shape along the circumferential direction of the transmission part, and the angle of the fan shape is smaller than 180 degrees.
The wind power gear box comprises the lubricating structure.
The utility model has the beneficial effects that:
the utility model provides a lubricating structure, which comprises a shell, wherein an installation cavity is formed in the shell and is used for installing a transmission piece, a bearing seat is arranged in the installation cavity, the transmission piece is rotationally connected with the bearing seat through a bearing, the bearing comprises a first bearing and a second bearing, the first bearing and the second bearing are respectively positioned at two sides of the bearing seat along the axial direction of the transmission piece, an oil collecting groove is arranged on the bearing seat, the oil collecting groove is not lower than the bearing in the vertical direction, a first oil pipeline is arranged in the bearing seat, the oil inlet end of the first oil pipeline is communicated with the oil collecting groove, and the oil outlet end is used for providing oil for the first bearing and the second bearing respectively.
When the driving medium is operated, the driving medium rotates relative to the bearing seat, the driving medium is extremely easy to cause oil to splash in the rotating process, or the temperature in the installation cavity is too high due to the working condition, so that oil forms oil mist to be gradually attached to the wall of the shell, an oil collecting groove is formed in the bearing seat, splashed oil or atomized oil flows into the oil collecting groove along the side wall of the shell or the bearing seat, and the oil collecting groove re-conveys the collected oil to a lubrication point of the bearing through an oil conveying pipeline, so that the oil can be recycled. Further, the first oil pipeline that the bearing frame was seted up can carry the fluid in the oil trap respectively to the first bearing and the second bearing that are located pivot support axial both sides, so set up, can provide the fluid lubrication for the bearing of bearing frame both sides simultaneously, optimized the lubrication structure of bearing frame, balanced the lubrication degree of two bearings.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the following description will briefly explain the drawings needed in the description of the embodiments of the present utility model, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to the contents of the embodiments of the present utility model and these drawings without inventive effort for those skilled in the art.
FIG. 1 is a schematic structural view of a lubrication structure according to a first embodiment of the present utility model;
fig. 2 is a schematic structural diagram of a lubrication structure according to a second embodiment of the present utility model;
fig. 3 is a schematic structural diagram of a lubrication structure according to a third embodiment of the present utility model.
In the figure:
10. a housing; 11. a mounting cavity; 12. a bearing seat; 13. a first oil delivery pipeline; 14. a first oil sump; 15. a second oil sump; 16. a second oil delivery pipeline; 17. a third oil delivery pipeline;
20. a transmission member;
31. a first bearing; 32. a second bearing;
40. and an oil baffle block.
Detailed Description
The utility model is described in further detail below with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the utility model and are not limiting thereof. It should be further noted that, for convenience of description, only some, but not all of the structures related to the present utility model are shown in the drawings.
In the description of the present utility model, unless explicitly stated and limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.
In the description of the present embodiment, the terms "upper", "lower", "right", etc. orientation or positional relationship are based on the orientation or positional relationship shown in the drawings, and are merely for convenience of description and simplicity of operation, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the utility model. Furthermore, the terms "first," "second," and the like, are used merely for distinguishing between descriptions and not for distinguishing between them.
Example 1
As shown in fig. 1, the utility model provides a lubrication structure, which comprises a shell 10, wherein a mounting cavity 11 is formed in the shell 10 and is used for mounting a transmission piece 20, a bearing seat 12 is arranged in the mounting cavity 11, the transmission piece 20 is rotationally connected with the bearing seat 12 through a bearing, the bearing comprises a first bearing 31 and a second bearing 32, the first bearing 31 and the second bearing 32 are respectively positioned at two sides of the bearing seat 12 along the axial direction of the transmission piece 20, an oil collecting groove is arranged on the bearing seat 12, the oil collecting groove is not lower than the bearing in the vertical direction, a first oil conveying pipeline 13 is arranged in the bearing seat 12, the oil inlet end of the first oil conveying pipeline 13 is communicated with the oil collecting groove, and the oil outlet end respectively provides oil for the first bearing 31 and the second bearing 32.
The transmission member 20 received by the first bearing 31 and the second bearing 32 is two rotating shafts having different shaft diameters and different rotation speeds.
When the transmission member 20 runs, the transmission member 20 rotates relative to the bearing seat 12, oil splashing is very easy to be caused by the transmission member 20 in the rotation process, or oil mist is gradually attached to the wall of the shell 10 due to overhigh temperature in the installation cavity 11 in the working state, an oil collecting groove is arranged on the bearing seat 12, splashed oil or atomized oil flows into the oil collecting groove along the side wall of the shell 10 or the bearing seat 12, and the oil collecting groove conveys the collected oil back to a lubrication point of a bearing through an oil conveying pipeline, so that the oil can be repeatedly utilized.
Further, the first oil pipeline 13 that the bearing frame 12 was seted up can carry the fluid in the oil collecting groove respectively to the first bearing 31 and the second bearing 32 that are located pivot support axial both sides, so set up, can provide the fluid lubrication for the bearing of bearing frame 12 both sides simultaneously, balanced the lubrication degree of two bearings.
It should be noted that the lubrication structure provided by the present utility model has the function of supplementing the forced lubrication of the bearing, and further optimizes the lubrication structure of the bearing seat 12.
Optionally, along the axial direction of the transmission member 20, two sides of the bearing seat 12 are respectively provided with oil collecting grooves, the oil collecting grooves include a first oil collecting groove 14 and a second oil collecting groove 15, the first oil collecting groove 14 is located on the same side as the first bearing 31, the second oil collecting groove 15 is located on the same side as the second bearing 32, and the first oil collecting groove 14 is communicated with the first oil conveying pipeline 13.
Optionally, the bearing seat 12 is further provided with a second oil delivery pipeline 16, an oil inlet end of the second oil delivery pipeline 16 is communicated with the second oil collecting groove 15, and an oil outlet end provides oil for the second bearing 32.
So configured, the first oil sump 14 communicates with the first oil delivery pipe 13, and the second oil sump 15 communicates with the second oil delivery pipe 16. When the load of the second bearing 32 is greater than the load of the first bearing 31, the first oil sump 14 delivers oil to the first bearing 31 and the second bearing 32 through the first oil delivery pipe 13, respectively, and the second oil sump 15 provides oil lubrication to only the second bearing 32 through the second oil delivery pipe 16, so that the second bearing 32 has relatively sufficient oil for lubrication thereof, reducing the heat generated by the second bearing 32 under a large load.
Further, the outlet end of the first oil delivery pipe 13 corresponds to one axial end of the second bearing 32, and the outlet end of the second oil delivery pipe 16 corresponds to the other axial end of the second bearing 32. So set up, two oil pipeline correspond the axial both ends of bearing respectively for fluid is more even to the contact of bearing, has optimized lubricated effect.
Alternatively, the bearing housing 12 is cast integrally with the housing 10. Thus, the installation structure is simplified.
Optionally, the bearing seat 12 is provided with an oil baffle 40, a gap between the oil baffle 40 and the bearing seat 12 forms an oil collecting groove, and the oil baffle 40 is detachably connected with the bearing seat 12. So set up, according to the service scenario, change the fender oil block 40 of different models, and then change the volume size of oil collecting groove.
In other embodiments, the bearing seat 12 is provided with the oil baffle 40, the gap between the oil baffle 40 and the bearing seat 12 forms an oil sump, and the oil baffle 40 and the bearing seat 12 are integrally cast. By the arrangement, the structure of the bearing seat 12 is simplified, the connecting gap between the oil baffle block 40 and the bearing seat 12 is reduced, and the condition of oil leakage is avoided.
Optionally, the oil collecting groove is formed in a fan shape along the circumferential direction of the transmission member 20, and the angle of the fan shape is smaller than 180 degrees. By this arrangement, the collection range of the oil sump can be enlarged.
In other embodiments, a plurality of oil sumps are formed on the same side of the bearing seat 12 along the axial direction of the transmission member 20, and the plurality of oil sumps are arranged along the circumferential direction of the transmission member 20 and are all disposed in the upper half circumference. So set up, through setting up a plurality of oil sumps, enlarge the collection scope, and can alleviate the oil storage pressure of every oil sump.
Optionally, the bearing seat 12 is provided with a drainage groove, the drainage groove is in a closing-up shape, a closing-up end of the drainage groove is communicated with the oil collecting groove, and the opening end is far away from the oil collecting groove along the vertical direction. So configured, the oil adhering to the bearing housing 12 can gradually pool along the drainage groove and flow into the oil sump.
In other embodiments, the bearing is disposed in the oil sump and at least partially immersed in the oil sump, a third oil pipeline is disposed in the bearing seat 12, an oil inlet end of the third oil pipeline is connected to the oil sump, and an oil outlet end provides oil for the bearing on the opposite side of the oil sump.
Example two
As shown in fig. 2, the distinguishing technical features of the present embodiment and the first embodiment are that the bearing seat 12 is further provided with a second oil delivery pipe 16, an oil inlet end of the second oil delivery pipe 16 is communicated with the first oil collecting groove 14, an outlet end of the second oil delivery pipe 16 corresponds to one axial end of the first bearing 31, and an outlet end of the first oil delivery pipe 13 corresponds to the other axial end of the first bearing 31. So set up for the lubricated fluid in the first oil groove 14 can lubricate the axial both ends of first bearing 31 respectively, make the contact of fluid to the bearing more even, optimized lubricated effect.
Further, the oil inlet end of the first oil delivery pipeline 13 is only communicated with the first oil collecting tank 14, the first oil delivery pipeline is provided with three outlet ends, wherein the first outlet end and the second outlet end correspond to two axial ends of the second bearing 32 respectively, the third outlet end corresponds to one end of the first bearing 31, which is close to the second bearing 32 along the axial direction, the first oil collecting tank 14 is also communicated with the second oil delivery pipeline 16, and the outlet end of the second oil delivery pipeline 16 corresponds to the other end of the first bearing 31. By such design, the lubricating oil can be simultaneously supplied to the bearings on the two axial sides of the bearing 12 through the oil collecting groove on one side.
It should be noted that the second oil collecting groove 15 may be configured in this way, and the structure is substantially the same, and will not be described here again.
Example III
As shown in fig. 3, the distinguishing technical features of this embodiment and the first embodiment are that the bearing seat 12 is further provided with a third oil delivery pipe 17, an oil inlet end of the third oil delivery pipe 17 is communicated with the first oil collecting tank 14, meanwhile, the first oil collecting tank 14 is also respectively communicated with the first oil delivery pipe 13 and the second oil delivery pipe 16, wherein an outlet end of the third oil delivery pipe 17 corresponds to one end of the second bearing 32 far away from the first bearing 31 along the axial direction, two outlet ends of the first oil delivery pipe 13 respectively correspond to the other end of the second bearing 32 and one end of the first bearing 31 near the second bearing 32, and an outlet end of the second oil delivery pipe 16 corresponds to the other end of the first bearing 31. So designed, first oil pipeline 14, second oil pipeline 16 and third oil pipeline 17 can carry the fluid in the same oil groove respectively to the axial both ends of two bearings of bearing frame 12 axial both sides, can alleviate every oil pipeline's oil transportation pressure through seting up a plurality of oil pipelines, and after one of them oil pipeline blocks, remaining two oil pipelines still can carry lubricating fluid to two bearings.
Example IV
The distinguishing technical feature of this embodiment from the first embodiment is that the first oil delivery pipe 13 is provided with at least two oil inlet ends, and the oil inlet ends are respectively communicated with the first oil collecting tank 14 and the second oil collecting tank 15. The first oil collecting groove 14 and the second oil collecting groove 15 which are positioned at two sides of the bearing seat 12 collect oil through the inlet end of the first oil conveying pipeline 13, uniformly convey the oil to the first bearing 31 and the second bearing 32 through the oil outlet end of the first oil conveying pipeline 13, and the arrangement reduces the number of channels formed in the bearing seat 12, simplifies the oil circuit structure, and also avoids the problem that the strength of the whole bearing seat 12 is reduced due to the fact that too many oil circuit channels are formed in the bearing seat 12.
The utility model also provides a wind power gear box which comprises the lubricating structure.
Furthermore, the foregoing description of the preferred embodiments and the principles of the utility model is provided herein. It will be understood by those skilled in the art that the present utility model is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the utility model. Therefore, while the utility model has been described in connection with the above embodiments, the utility model is not limited to the embodiments, but may be embodied in many other equivalent forms without departing from the spirit or scope of the utility model, which is set forth in the following claims.
Claims (10)
1. The utility model provides a lubricating structure, its characterized in that, including casing (10), the inside installation cavity (11) that forms of casing (10) is used for installing driving medium (20), be provided with bearing frame (12) in installation cavity (11), driving medium (20) with bearing frame (12) are passed through the bearing and are rotated and are connected, the bearing includes first bearing (31) and second bearing (32), and follows the axial of driving medium (20), first bearing (31) with second bearing (32) are located respectively the both sides of bearing frame (12), be equipped with the oil collecting groove on bearing frame (12), in vertical direction, the oil collecting groove is not less than the bearing, first oil pipeline (13) have been seted up to inside bearing frame (12), the oil feed end of first oil pipeline (13) with the oil collecting groove intercommunication, the oil outlet end is first bearing (31) with second bearing (32) provide fluid respectively.
2. Lubricating structure according to claim 1, characterized in that, along the axial direction of the transmission member (20), the oil sumps are respectively provided on both sides of the bearing housing (12), the oil sumps comprise a first oil sump (14) and a second oil sump (15), the first oil sump (14) is located on the same side as the first bearing (31) with respect to the bearing housing (12), the second oil sump (15) is located on the same side as the second bearing (32), and the first oil sump (14) is communicated with the first oil delivery pipe (13).
3. The lubrication structure according to claim 2, wherein the bearing housing (12) is further provided with a second oil delivery pipe (16), an oil inlet end of the second oil delivery pipe (16) is communicated with the second oil collection groove (15), and an oil outlet end provides oil for the second bearing (32).
4. A lubrication structure according to claim 3, characterized in that the outlet end of the first oil delivery pipe (13) corresponds to one axial end of the second bearing (32), and the outlet end of the second oil delivery pipe (16) corresponds to the other axial end of the second bearing (32).
5. The lubrication structure according to claim 2, wherein the bearing housing (12) is further provided with a second oil delivery pipe (16), an oil inlet end of the second oil delivery pipe (16) is communicated with the first oil collecting groove (14), an outlet end of the second oil delivery pipe (16) corresponds to one axial end of the first bearing (31), and an outlet end of the first oil delivery pipe (13) corresponds to the other axial end of the first bearing (31).
6. A lubrication structure according to claim 2, characterized in that the first oil delivery conduit (13) is provided with at least two of said oil inlet ends, and that said oil inlet ends are in communication with the first oil sump (14) and the second oil sump (15), respectively.
7. The lubrication structure according to claim 1, characterized in that the bearing housing (12) is cast integrally with the housing (10).
8. The lubrication structure according to claim 1, characterized in that the bearing housing (12) is fitted with an oil deflector (40), a gap between the oil deflector (40) and the bearing housing (12) forming the oil sump, the oil deflector (40) being detachably connected to the bearing housing (12);
or, the oil baffle block (40) and the bearing seat (12) are integrally cast.
9. The lubrication structure according to claim 1, wherein the oil sump is provided in a fan shape along a circumferential direction of the transmission member (20), and an angle of the fan shape is smaller than 180 degrees.
10. Wind power gearbox, characterized in that it comprises a lubrication structure according to any of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320292650.2U CN219692218U (en) | 2023-02-23 | 2023-02-23 | Lubricating structure and wind power gear box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320292650.2U CN219692218U (en) | 2023-02-23 | 2023-02-23 | Lubricating structure and wind power gear box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219692218U true CN219692218U (en) | 2023-09-15 |
Family
ID=87965167
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320292650.2U Active CN219692218U (en) | 2023-02-23 | 2023-02-23 | Lubricating structure and wind power gear box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219692218U (en) |
-
2023
- 2023-02-23 CN CN202320292650.2U patent/CN219692218U/en active Active
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