CN217713588U - Oil spraying device for lubricating and cooling bearing of gearbox of wind driven generator - Google Patents
Oil spraying device for lubricating and cooling bearing of gearbox of wind driven generator Download PDFInfo
- Publication number
- CN217713588U CN217713588U CN202221203831.5U CN202221203831U CN217713588U CN 217713588 U CN217713588 U CN 217713588U CN 202221203831 U CN202221203831 U CN 202221203831U CN 217713588 U CN217713588 U CN 217713588U
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- CN
- China
- Prior art keywords
- oil
- ring
- outer cover
- bearing
- fuel injection
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000001816 cooling Methods 0.000 title claims abstract description 22
- 230000001050 lubricating effect Effects 0.000 title claims abstract description 11
- 238000005507 spraying Methods 0.000 title description 4
- 238000002347 injection Methods 0.000 claims abstract description 44
- 239000007924 injection Substances 0.000 claims abstract description 44
- 239000000446 fuel Substances 0.000 claims abstract description 14
- 238000005461 lubrication Methods 0.000 claims abstract description 8
- 238000007789 sealing Methods 0.000 claims description 7
- 239000003921 oil Substances 0.000 abstract description 80
- 239000010687 lubricating oil Substances 0.000 abstract description 10
- 230000000694 effects Effects 0.000 abstract description 9
- 239000000243 solution Substances 0.000 description 7
- 239000007921 spray Substances 0.000 description 6
- 230000000875 corresponding effect Effects 0.000 description 5
- 238000004026 adhesive bonding Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000013021 overheating Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
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
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- Rolling Contact Bearings (AREA)
Abstract
A fuel injection device for lubricating and cooling a bearing of a gearbox of a wind driven generator comprises a fuel injection ring and an outer cover, wherein the fuel injection ring and the outer cover are both of a three-quarter circular ring structure, bolt holes which correspond to each other are formed in the edge positions of the surfaces of the fuel injection ring and the outer cover, and the fuel injection ring and the outer cover are connected and fixed through bolts; the oil collecting tank has been seted up to spout oil ring internal surface, and the oil collecting tank is half annular groove structure, and the oil collecting tank sets up with spouting the oil ring with the centre of a circle, and the one end of oil collecting tank is provided with the inlet port, and the other end of oil collecting tank is provided with the oil outlet, and the inlet port all passes the oil spout ring with the oil outlet and is linked together with the outside. The utility model overcomes prior art's is not enough, can enough install in narrow and small bearing lubrication space, can spout lubricating oil to the bearing top simultaneously, realizes bearing top-down omnidirectional cooling and lubricated effect.
Description
Technical Field
The utility model relates to a technical field is maintained to the gear box bearing, concretely relates to be used for lubricated and refrigerated fueling injection equipment of aerogenerator gear box bearing.
Background
The gear box is an important large part of the wind driven generator, the working performance and the service life of the gear box are directly affected by the heat dissipation effect of the bearing in the gear box, and the overheating of the bearing of the gear box can directly cause the fault shutdown of the wind driven generator set to cause the loss of generated energy.
The existing gearbox bearing adopts an oil-spraying lubrication cooling mode, and oil is sprayed to the bearing through an oil spraying pipe so as to realize cooling and lubrication of the bearing. Because some wind-powered electricity generation gear box's bearing lubrication will spout the position setting of oil pipe in the bearing bottom, can lead to lubricated cooling effect to compromise greatly like this: on one hand, when the bearing runs at high speed, high-temperature lubricating oil flows out of the bottom of the bearing, and low-temperature lubricating oil sprayed to the bottom is taken away by the flowing high-temperature lubricating oil, so that the cooling effect cannot be achieved; and on the other hand, oil injection to the bottom of the bearing can only realize lubrication and cooling of the bottom of the bearing, but cannot realize lubrication and cooling of the top of the bearing and other parts.
SUMMERY OF THE UTILITY MODEL
The utility model provides a not enough to prior art, the utility model provides a be used for lubricated and refrigerated fueling injection equipment of aerogenerator gear box bearing has overcome the not enough of prior art, and reasonable in design can enough install in narrow and small bearing lubrication space, can spout lubricating oil to the bearing top simultaneously, realizes bearing top-down omnidirectional cooling and lubricated effect.
In order to achieve the above purpose, the utility model discloses a following technical scheme realizes:
the oil injection device for lubricating and cooling the bearing of the gearbox of the wind driven generator comprises an oil injection ring and an outer cover, wherein the oil injection ring and the outer cover are both of a three-quarter circular ring structure, bolt holes which correspond to each other are arranged at the edge of the surface of the oil injection ring and the surface of the outer cover, and the oil injection ring and the outer cover are connected and fixed with each other through bolts; the oil spout ring internal surface has seted up the oil trap, the oil trap is half annular groove structure, just the oil trap sets up with the oil spout ring is concentric, the one end of oil trap is provided with the inlet port, the other end of oil trap is provided with the oil outlet, the inlet port all passes the oil spout ring with the oil outlet and is linked together with the outside.
Preferably, the inner surface of the outer cover is provided with a cover groove corresponding to the oil collecting groove, and the cover groove and the oil collecting groove are matched to form a half circular groove structure.
Preferably, the inner surface of the outer cover is also fixedly provided with a sealing ring, and the sealing ring is arranged around the outer ring of the cover groove.
Preferably, the outer side face of the oil injection ring is provided with a jacking ring.
Preferably, the inner surface of the outer cover is provided with a limiting protrusion, the inner surface of the oil injection ring is provided with a limiting groove, and the limiting protrusion corresponds to the limiting groove.
The utility model provides a be used for lubricated and refrigerated fueling injection equipment of aerogenerator gear box bearing. The method has the following beneficial effects: through setting up oil spout ring sum enclosing cover to make it can correspond each other and connect to be a holistic three-quarter ring structure, fix bearing end face with the whole laminating of oil spout ring sum enclosing cover, when lubricating and cooling operation, in lubricating oil enters into the oil trap from the inlet port of bottom under the pressure action, the oil outlet outflow of rethread oil trap follow top flows to the bearing top. Can install in narrow and small space and realize the oil spout at bearing top, lubricating oil is lubricated and is cooled off from top to bottom at the bearing top to guarantee the lubricated and cooling effect at bearing top and other positions.
Drawings
In order to more clearly illustrate the present invention or the technical solutions in the prior art, the drawings used in the description of the prior art will be briefly described below.
FIG. 1 is a schematic structural view of a middle oil injection ring of the present invention;
FIG. 2 is a schematic view of the structure of the outer cover of the present invention;
FIG. 3 is a schematic cross-sectional view of a middle oil spray ring of the present invention;
FIG. 4 is a schematic cross-sectional view of the outer cover of the present invention;
the reference numbers in the figures illustrate:
1. an oil injection ring; 2. an outer cover; 3. bolt holes; 4. an oil sump; 5. an oil inlet hole; 6. an oil outlet hole; 7. a cover groove; 8. a jacking ring; 9. a limiting bulge; 10. and a limiting groove.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the drawings of the present invention will be combined below to clearly and completely describe the technical solutions of the present invention.
In the first embodiment, as shown in fig. 1 to 4, a fuel injection device for lubricating and cooling a bearing of a gearbox of a wind driven generator comprises a fuel injection ring 1 and an outer cover 2, wherein the fuel injection ring 1 and the outer cover 2 are both of a three-quarter circular ring structure, the surfaces of the fuel injection ring 1 and the outer cover 2 are provided with bolt holes 3 corresponding to each other along the edges, and the fuel injection ring 1 and the outer cover 2 are connected and fixed with each other through bolts; the oil spray ring is characterized in that an oil collecting groove 4 is formed in the inner surface of the oil spray ring 1, the oil collecting groove 4 is of a half annular groove structure, the oil collecting groove 4 and the oil spray ring 1 are arranged concentrically, an oil inlet hole 5 is formed in one end of the oil collecting groove 4, an oil outlet hole 6 is formed in the other end of the oil collecting groove 4, and the oil inlet hole 5 and the oil outlet hole 6 penetrate through the oil spray ring 1 and are communicated with the outside.
The working principle is as follows:
when the oil injection ring is installed, the oil injection ring 1 and the outer cover 2 are correspondingly connected into an integral three-quarter circular ring structure, bolt holes 3 in the surfaces of the oil injection ring 1 and the outer cover 2 are made to correspond to each other, and then bolts penetrate through the bolt holes 3 to integrally attach and fix the oil injection ring 1 and the outer cover 2 on the end surface of a bearing; when the lubricating and cooling operation is carried out, lubricating oil enters the oil collecting tank from the oil inlet 5 at the bottom under the action of pressure, flows out from the oil outlet 6 at the top through the oil collecting tank and flows to the top of the bearing. Can install in narrow and small space and realize the oil spout at bearing top, lubricating oil is lubricated and is cooled off from top to bottom at the bearing top to guarantee the lubricated and cooling effect at bearing top and other positions.
In this embodiment, the contact surface between the spray ring 1 and the outer cover 2 may be sealed by gluing.
In the second embodiment, as a further preferable solution of the first embodiment, the inner surface of the outer cover 2 is provided with a cover groove 7 corresponding to the oil collecting groove 4, and the cover groove 7 and the oil collecting groove 4 cooperate to form a half circular groove structure. The inner surface of the outer cover 2 is also fixedly provided with a sealing ring, and the sealing ring is arranged around the outer ring of the cover groove 7. Through set up the lid groove at 2 internal surfaces of enclosing cover, make it corresponding with oil trap 4 to can guarantee the oil transportation effect of whole collection oil passageway, and enclose through the outer lane at lid groove 7 and be equipped with the round sealing washer, with the holistic sealed effect of assurance oil trap 4, in order to prevent when lubricating and cooling operation, lubricating oil liquid oozes from spouting between oil ring 1 and enclosing cover 2.
In a third embodiment, as a further preferable scheme of the first embodiment, a top supporting ring 8 is arranged on the side surface, far away from the outer cover 2, of the oil injection ring 1. When the oil injection ring 1 is installed above the bearing, the oil injection ring 1 can be prevented from moving axially through the abutting of the jacking ring 8 and the outer ring of the bearing.
In a third embodiment, as a further preferable scheme of the first embodiment, the inner surface of the outer cover 2 is provided with a limiting protrusion 9, the inner surface of the oil injection ring 1 is provided with a limiting groove 10, and the limiting protrusion 9 corresponds to the limiting groove 10. Through the corresponding action of limiting protrusion 9 and limiting groove 10, the position where oil injection ring 1 and outer cover 2 are connected can be limited during installation, so that subsequent bolt fixing work is further facilitated.
The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications or substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention.
Claims (5)
1. The utility model provides a be used for lubricated and refrigerated fueling injection equipment of aerogenerator gear box bearing which characterized in that: the oil injection ring comprises an oil injection ring (1) and an outer cover (2), wherein the oil injection ring (1) and the outer cover (2) are of a three-quarter circular ring structure, bolt holes (3) which correspond to each other are formed in the surfaces of the oil injection ring (1) and the outer cover (2) along the edge, and the oil injection ring (1) and the outer cover (2) are connected and fixed with each other through bolts; oil spout ring (1) internal surface has been seted up sump oil tank (4), sump oil tank (4) are half annular groove structure, just sump oil tank (4) and oil spout ring (1) concentric setting, the one end of sump oil tank (4) is provided with inlet port (5), the other end of sump oil tank (4) is provided with oil outlet (6), inlet port (5) and oil outlet (6) all pass oil spout ring (1) and are linked together with the outside.
2. The fuel injection apparatus for lubricating and cooling a bearing of a gearbox of a wind turbine according to claim 1, wherein: the inner surface of the outer cover (2) is provided with a cover groove (7) corresponding to the oil collecting groove (4), and the cover groove (7) is matched with the oil collecting groove (4) to form a half circular groove structure.
3. The fuel injection apparatus for lubricating and cooling a bearing of a gearbox of a wind turbine according to claim 2, wherein: the inner surface of the outer cover (2) is also fixedly provided with a sealing ring, and the sealing ring is arranged around the outer ring of the cover groove (7).
4. The fuel injection apparatus of claim 1 for wind turbine gearbox bearing lubrication and cooling, wherein: and a jacking ring (8) is arranged on the outer side surface of the oil injection ring (1).
5. The fuel injection apparatus for lubricating and cooling a bearing of a gearbox of a wind turbine according to claim 1, wherein: the inner surface of the outer cover (2) is provided with a limiting protrusion (9), the inner surface of the oil injection ring (1) is provided with a limiting groove (10), and the limiting protrusion (9) corresponds to the limiting groove (10).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202221203831.5U CN217713588U (en) | 2022-05-19 | 2022-05-19 | Oil spraying device for lubricating and cooling bearing of gearbox of wind driven generator |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202221203831.5U CN217713588U (en) | 2022-05-19 | 2022-05-19 | Oil spraying device for lubricating and cooling bearing of gearbox of wind driven generator |
Publications (1)
Publication Number | Publication Date |
---|---|
CN217713588U true CN217713588U (en) | 2022-11-01 |
Family
ID=83793649
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202221203831.5U Expired - Fee Related CN217713588U (en) | 2022-05-19 | 2022-05-19 | Oil spraying device for lubricating and cooling bearing of gearbox of wind driven generator |
Country Status (1)
Country | Link |
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CN (1) | CN217713588U (en) |
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2022
- 2022-05-19 CN CN202221203831.5U patent/CN217713588U/en not_active Expired - Fee Related
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20221101 |