CN220622689U - Lubricating structure of wind power gear box - Google Patents
Lubricating structure of wind power gear box Download PDFInfo
- Publication number
- CN220622689U CN220622689U CN202321917825.0U CN202321917825U CN220622689U CN 220622689 U CN220622689 U CN 220622689U CN 202321917825 U CN202321917825 U CN 202321917825U CN 220622689 U CN220622689 U CN 220622689U
- Authority
- CN
- China
- Prior art keywords
- oil
- box body
- duct
- hole
- shaft
- 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.)
- Active
Links
- 230000001050 lubricating effect Effects 0.000 title claims description 8
- 238000005461 lubrication Methods 0.000 claims abstract description 14
- 230000007246 mechanism Effects 0.000 claims abstract description 12
- 239000007921 spray Substances 0.000 claims description 9
- 229910000881 Cu alloy Inorganic materials 0.000 claims description 5
- 230000005611 electricity Effects 0.000 claims description 5
- 239000003921 oil Substances 0.000 description 135
- 239000010687 lubricating oil Substances 0.000 description 11
- 230000005540 biological transmission Effects 0.000 description 5
- 230000004323 axial length Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 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
Landscapes
- General Details Of Gearings (AREA)
Abstract
The utility model discloses a lubrication structure of a wind power gear box, which comprises a box body and a planetary gear, wherein the box body is arranged at one side of the planetary gear, an oil conveying mechanism is arranged on the box body, the planetary gear is connected with a planetary shaft through a sliding bearing, and the planetary shaft is fixedly arranged on a planetary frame; the oil conveying mechanism comprises an oil distributor, the oil distributor is arranged on one side of the box body through a mounting seat, one side of the oil distributor is connected with an oil return pipe, a pressure relief one-way valve is arranged on the oil return pipe, an oil inlet hole is formed in the box body, one end of the oil return pipe is connected with the oil inlet hole, an oil duct is formed in a planet shaft, an oil storage duct is arranged on the outer side of the planet shaft, a plurality of oil passing holes are formed in one side of the oil duct, the oil passing holes are communicated with the oil storage duct, an oil supply hole is formed in one end of the oil duct, and the oil supply hole is connected with the oil inlet hole.
Description
Technical Field
The utility model relates to the technical field of wind driven generators, in particular to a lubricating structure of a wind power gear box.
Background
Wind power is used as a high-efficiency, safe and renewable clean energy source, wind power generation is rapidly developed in recent years, forced lubrication measures are not completely adopted in the oil way design of the key part of the planetary gear in early stage due to the narrow internal space, and the planetary gear is easily worn after long-term operation due to insufficient lubricating oil quantity caused by splash lubrication, so that the transmission of the whole gear box is unstable.
The utility model discloses a lubrication structure of wind-powered electricity generation gear box planet wheel slide bearing with reference to the chinese patent of existing publication No. CN217481930U, including the planet carrier of the planetary gear mechanism of wind-powered electricity generation gear box, the planet axle is fixed on the planet carrier, through slide bearing cooperation between planet axle and the planet gear, the inside oil duct that extends axially that sets up of planet axle, set up an axially extending oil storage way on the planet axle outer circumference, this oil storage way communicates with the oil duct through a plurality of oil through-holes, the oil duct communicates with each other with the ring channel through a radially extending oil feed hole, and the oil feed hole of ring channel and planet carrier is the coplanar, makes oil feed hole and the oil feed hole intercommunication that sets up on the planet carrier, the length of oil storage way is less than slide bearing axial length, and is greater than or equal to slide bearing axial length's half.
However, the lubricating structure of the planetary gear sliding bearing of the wind power gear box still has some disadvantages, such as: the splash lubrication can not provide enough lubrication oil, so that the abrasion of the planetary gear is easy to be caused after long-term operation, and the transmission of the whole gear box is unstable.
Disclosure of Invention
In view of the problems mentioned in the background art, it is an object of the present utility model to provide a lubrication structure for a wind power gearbox to solve the problems mentioned in the background art.
The technical aim of the utility model is realized by the following technical scheme:
the lubrication structure of the wind power gear box comprises a box body and a planetary gear, wherein the box body is arranged on one side of the planetary gear, an oil conveying mechanism is arranged on the box body, the planetary gear is connected with a planetary shaft through a sliding bearing, and the planetary shaft is fixedly arranged on a planetary frame;
the oil delivery mechanism comprises an oil distributor, the oil distributor is installed on one side of the box body through a mounting seat, an oil return pipe is connected on one side of the oil distributor, a pressure relief one-way valve is installed on the oil return pipe, an oil inlet hole is formed in the box body, one end of the oil return pipe is connected with the oil inlet hole, an oil duct is formed in a planet shaft, an oil storage duct is arranged on the outer side of the planet shaft, a plurality of oil passing holes are formed in one side of the oil duct, a plurality of oil passing holes are communicated with the oil storage duct, an oil supply hole is formed in one end of the oil duct, and the oil supply hole is communicated with the oil inlet hole.
Through adopting above-mentioned technical scheme, this wind-powered electricity generation gear box's lubricating structure passes through oil transportation mechanism's setting, can in time carry out the oil transportation, avoid the oil supply not enough to cause planetary gear's wearing and tearing, planetary gear in time obtains forced oil supply lubrication, take away the heat that produces in the transmission through fluid, can effectively prolong planetary gear's life, can control input slide bearing's lubricating oil flow again, reduce oil return pressure, reduce the risk of oil leak, through the setting of oil storage duct, oil duct and a plurality of oilhole that crosses, make planetary shaft outer circumference and slide bearing's clearance satisfy the fuel feeding demand, the heat that slide bearing produced can in time be taken away to the lubricating oil that the oil feed hole provided, make slide bearing can normal operating.
Preferably, the other end of the oil return pipe is connected with the oil inlet hole through a pipe joint, and a rubber pad is arranged between the pipe joint and the box body.
Through adopting above-mentioned technical scheme, through the setting of coupling, be convenient for with the oil return pipe installation, through the setting of rubber pad, but increase sealed effect.
Preferably, an annular groove is formed in one end of the oil supply hole, and the oil inlet hole is connected with the annular groove.
Through adopting above-mentioned technical scheme, through the setting of ring channel, the oil inlet only need aim at the ring channel can send into the inside axially extending oil duct of planet axle with lubricating oil.
Preferably, a plurality of oil through holes are formed in one end of each oil through hole, and the oil through holes are connected with the oil storage channels.
Through adopting above-mentioned technical scheme, through the setting of fuel sprayer, be convenient for carry the oil in the oilhole to the oil storage in the oil storage way.
Preferably, the spray nozzle is internally provided with a spray hole, and the spray hole is a flat through hole.
Through adopting above-mentioned technical scheme, through the setting of orifice, the oil spout of being convenient for uses.
Preferably, a radial gap is arranged between the sliding bearing and the planet shaft, and the diameter of the radial gap is 0.8% -1.2% of the diameter of the planet shaft.
By adopting the technical scheme, the sliding bearing is in clearance fit with the planet shaft, so that the lubrication is convenient.
Preferably, the oil passing holes are uniformly distributed along the axial direction of the oil storage channel.
By adopting the technical scheme, the lubricating oil reaching the oil storage duct can be distributed more uniformly, and the oil pressure is consistent in the axial direction.
Preferably, the sliding bearing is a copper alloy bearing.
Through adopting above-mentioned technical scheme, through the setting of copper alloy bearing, make slide bearing more wear-resisting.
In summary, the utility model has the following advantages:
this wind-powered electricity generation gear box's lubricating structure passes through oil transportation mechanism's setting, can in time carry out the oil transportation, avoid the oil supply not enough to cause planetary gear's wearing and tearing, planetary gear in time obtains forced oil supply lubrication, take away the heat that produces in the transmission through fluid, can effectively prolong planetary gear's life, can control the lubricating oil flow who inputs slide bearing again, reduce the oil return pressure, reduce the risk of oil leak, through the setting of oil storage duct, oil duct and a plurality of oilholes that cross, make planetary shaft outer circumference and slide bearing's clearance satisfy the oil supply demand, the heat that slide bearing produced can in time be taken away to the lubricating oil that the oil feed hole provided, make slide bearing can normal operating.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is an enlarged view of FIG. 1A in accordance with the present utility model;
fig. 3 is an enlarged view of fig. 2 at B in accordance with the present utility model.
Reference numerals: 1. a case; 2. a planetary gear; 3. a mounting base; 4. an oil delivery mechanism; 401. an oil distributor; 402. an oil return pipe; 403. a pressure relief check valve; 404. an oil inlet hole; 405. an oil passage; 406. an oil storage passage; 407. an oil passing hole; 408. an oil supply hole; 409. a pipe joint; 410. a rubber pad; 411. an annular groove; 412. an oil nozzle; 413. a spray hole; 414. radial clearance; 5. a sliding bearing; 6. a planetary shaft; 7. a planet carrier.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Examples
Referring to fig. 1 to 3, a lubrication structure of a wind power gear box comprises a box body 1 and a planetary gear 2, wherein the box body 1 is arranged at one side of the planetary gear 2, an oil conveying mechanism 4 is arranged on the box body 1, the planetary gear 2 is connected with a planetary shaft 6 through a sliding bearing 5, and the planetary shaft 6 is fixedly arranged on a planetary frame 7;
the oil delivery mechanism 4 comprises an oil distributor 401, the oil distributor 401 is arranged on one side of a box body 1 through a mounting seat 3, one side of the oil distributor 401 is connected with an oil return pipe 402, a pressure relief one-way valve 403 is arranged on the oil return pipe 402, an oil inlet 404 is formed in the box body 1, one end of the oil return pipe 402 is connected with the oil inlet 404, an oil duct 405 is formed in a planet shaft 6, an oil storage duct 406 is arranged on the outer side of the planet shaft 6, a plurality of oil passing holes 407 are formed in one side of the oil duct 405, the plurality of oil passing holes 407 are communicated with the oil storage duct 406, an oil supply hole 408 is formed in one end of the oil duct 405, and the oil supply hole 408 is communicated with the oil inlet 404.
In some specific embodiments, the other end of the oil return pipe 402 is connected with the oil inlet hole 404 through a pipe joint 409, a rubber gasket 410 is arranged between the pipe joint 409 and the box 1, the oil return pipe 402 is convenient to install through the arrangement of the pipe joint 409, the sealing effect can be enhanced through the arrangement of the rubber gasket 410, an annular groove 411 is formed at one end of the oil supply hole 408, the oil inlet hole 404 is connected with the annular groove 411, and the oil inlet hole 404 can send lubricating oil into the oil duct 405 extending axially inside the planet shaft 6 only by aligning with the annular groove 411 through the arrangement of the annular groove 411.
In other embodiments, one end of each oil passing hole 407 is provided with an oil nozzle 412, the oil nozzles 412 are connected with the oil storage channel 406, oil in the oil passing holes 407 is conveniently conveyed into the oil storage channel 406 through the arrangement of the oil nozzles 412, the oil nozzles 412 are internally provided with spray holes 413, the spray holes 413 are flat through holes, the oil is conveniently sprayed and used through the arrangement of the spray holes 413, radial gaps 414 are formed between the sliding bearings 5 and the planet shafts 6, the diameters of the radial gaps 414 are 0.8% -1.2% of the diameters of the planet shafts 6, namely, the sliding bearings 5 are in clearance fit with the planet shafts 6, the lubricating use is conveniently carried out, the oil passing holes 407 are uniformly distributed along the axial direction of the oil storage channel 406, the lubricating oil reaching the oil storage channel 406 is more uniformly distributed, the oil pressure is axially consistent, the sliding bearings 5 are copper alloy bearings, and the sliding bearings 5 are more wear-resistant through the arrangement of the copper alloy bearings.
The use principle and the advantages are that:
when the wind power gearbox is used, the oil distributor 401 conveys oil to the oil inlet 404 through the pressure relief check valve 403 and the oil return pipe 402, the oil inlet 404 conveys oil to the oil storage channel 406 through the oil duct 405 and the oil passing hole 407, the gap between the outer circumference of the planet shaft 6 and the sliding bearing 5 meets the oil supply requirement, the lubricating oil provided by the oil supply hole 408 can timely take away the heat generated by the sliding bearing 5, the sliding bearing 5 can normally run, the heat generated in transmission is taken away through the oil, the service life of the planet gear 2 can be effectively prolonged, the flow of the lubricating oil input to the sliding bearing 5 can be controlled, the oil return pressure is reduced, and the risk of oil leakage is reduced.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (3)
1. Lubricating structure of wind-powered electricity generation gear box, including box (1) and planetary gear (2), its characterized in that: the planetary gear box comprises a box body (1), a planetary shaft (6) and a planet carrier (7), wherein the box body (1) is arranged on one side of the planetary gear (2), an oil conveying mechanism (4) is arranged on the box body (1), the planetary gear (2) is connected with the planetary shaft (6) through a sliding bearing (5), and the planetary shaft (6) is fixedly arranged on the planet carrier (7);
the oil conveying mechanism (4) comprises an oil distributor (401), the oil distributor (401) is installed on one side of the box body (1) through a mounting seat (3), an oil return pipe (402) is connected on one side of the oil distributor (401), a pressure relief one-way valve (403) is installed on the oil return pipe (402), an oil inlet hole (404) is formed in the box body (1), one end of the oil return pipe (402) is connected with the oil inlet hole (404), an oil duct (405) is formed in the planet shaft (6), an oil storage duct (406) is arranged on the outer side of the planet shaft (6), a plurality of oil passing holes (407) are formed in one side of the oil duct (405), the oil passing holes (407) are communicated with the oil storage duct (406), an oil supply hole (408) is formed in one end of the oil duct (405), and the oil supply hole (408) is communicated with the oil inlet hole (404).
The other end of the oil return pipe (402) is connected with the oil inlet hole (404) through a pipe joint (409), and a rubber pad (410) is arranged between the pipe joint (409) and the box body (1);
an annular groove (411) is formed in one end of the oil supply hole (408), and the oil inlet hole (404) is connected with the annular groove (411);
one end of each oil passing hole (407) is provided with an oil nozzle (412), and the oil nozzles (412) are connected with the oil storage channels (406);
a spray hole (413) is formed in the oil nozzle (412), and the spray hole (413) is a flat through hole;
a radial clearance (414) is arranged between the sliding bearing (5) and the planet shaft (6), and the diameter of the radial clearance (414) is 0.8-1.2% of the diameter of the planet shaft (6).
2. The lubrication structure of a wind power gearbox according to claim 1, wherein: the oil passing holes (407) are uniformly distributed along the axial direction of the oil storage channel (406).
3. The lubrication structure of a wind power gearbox according to claim 1, wherein: the sliding bearing (5) is a copper alloy bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321917825.0U CN220622689U (en) | 2023-07-20 | 2023-07-20 | Lubricating structure of wind power gear box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321917825.0U CN220622689U (en) | 2023-07-20 | 2023-07-20 | Lubricating structure of wind power gear box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220622689U true CN220622689U (en) | 2024-03-19 |
Family
ID=90233248
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321917825.0U Active CN220622689U (en) | 2023-07-20 | 2023-07-20 | Lubricating structure of wind power gear box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220622689U (en) |
-
2023
- 2023-07-20 CN CN202321917825.0U patent/CN220622689U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201277153Y (en) | Planet lubrication oil supply unit for wind turbine gearbox | |
| CN103122834B (en) | For the transmission device of wind power plant | |
| US20160160993A1 (en) | Device with a torque-proof first structural component and a second structural component that is connected at least in certain parts in a rotatable manner to the first structural component | |
| US20160160994A1 (en) | Device with a torque-proof first structural component and a second structural component that is connected at least in certain parts in a rotatable manner to the first structural component | |
| CN110475993A (en) | The impeller of the pinion frame of the planetary reducer of turbine | |
| CN112576727A (en) | Planetary gear transmission device, transmission system and wind power generation facility | |
| CN220622689U (en) | Lubricating structure of wind power gear box | |
| CN110332240A (en) | A kind of sealed bearing adapting to harsh environments | |
| CN201784463U (en) | Rear output structure of main reducer of tandem drive axle | |
| CN102829165B (en) | Planet gear bearing forced lubricating device | |
| CN110056571B (en) | Coupled bidirectional thrust oil film damper supporting system for gas turbine | |
| CN216975712U (en) | Wind power gear box | |
| CN104895726B (en) | A kind of tidal power unit and its pitch variable bearings | |
| CN101672420B (en) | Lubricating device of bearing | |
| CN213393479U (en) | Planetary gear train forced lubrication oil supply structure | |
| CN202152844U (en) | Planet wheel bearing forced lubrication device | |
| CN203635622U (en) | Oil-gas lubrication connection device of twenty-high roll mill | |
| CN209557628U (en) | The connection spline lubricating structure of electric commercial vehicle motor and gearbox | |
| CN218094163U (en) | Centrifugal lubricating oil circuit system of high-speed planetary gear box | |
| CN111692053A (en) | Main shaft system transmission system of wind generating set | |
| CN220378851U (en) | Bearing lubricating structure for output shaft of large megawatt gearbox | |
| CN218440568U (en) | Oil gear for lubricating wind power main gear | |
| CN214221982U (en) | Planet carrier lubricating oil way sealing structure and gear box | |
| CN217081374U (en) | Lubricating system, gear box and wind turbine generator | |
| CN205937775U (en) | Wind -powered electricity generation gear box planet carrier for lubrication |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |