CN110953303A - Gear box for wind driven generator - Google Patents
Gear box for wind driven generator Download PDFInfo
- Publication number
- CN110953303A CN110953303A CN201811137735.3A CN201811137735A CN110953303A CN 110953303 A CN110953303 A CN 110953303A CN 201811137735 A CN201811137735 A CN 201811137735A CN 110953303 A CN110953303 A CN 110953303A
- Authority
- CN
- China
- Prior art keywords
- gearbox
- oil
- cavity
- lubricating oil
- connection
- 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.)
- Pending
Links
- 239000010687 lubricating oil Substances 0.000 claims abstract description 43
- 238000010276 construction Methods 0.000 claims abstract description 17
- 238000007493 shaping process Methods 0.000 claims abstract description 4
- 239000003921 oil Substances 0.000 claims description 45
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- 238000005299 abrasion Methods 0.000 abstract description 8
- 238000010248 power generation Methods 0.000 abstract description 7
- 239000002245 particle Substances 0.000 abstract description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 12
- 229910052742 iron Inorganic materials 0.000 description 5
- 238000012423 maintenance Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000006378 damage Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000001050 lubricating effect Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 239000004576 sand Substances 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 235000000396 iron Nutrition 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H1/00—Toothed gearings for conveying rotary motion
- F16H1/28—Toothed gearings for conveying rotary motion with gears having orbital motion
- F16H1/32—Toothed gearings for conveying rotary motion with gears having orbital motion in which the central axis of the gearing lies inside the periphery of an orbital gear
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H57/023—Mounting or installation of gears or shafts in the gearboxes, e.g. methods or means for assembly
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/04—Features relating to lubrication or cooling or heating
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/04—Features relating to lubrication or cooling or heating
- F16H57/042—Guidance of lubricant
- F16H57/0421—Guidance of lubricant on or within the casing, e.g. shields or baffles for collecting lubricant, tubes, pipes, grooves, channels or the like
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/04—Features relating to lubrication or cooling or heating
- F16H57/0434—Features relating to lubrication or cooling or heating relating to lubrication supply, e.g. pumps ; Pressure control
- F16H57/0435—Pressure control for supplying lubricant; Circuits or valves therefor
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H1/00—Toothed gearings for conveying rotary motion
- F16H1/28—Toothed gearings for conveying rotary motion with gears having orbital motion
- F16H1/32—Toothed gearings for conveying rotary motion with gears having orbital motion in which the central axis of the gearing lies inside the periphery of an orbital gear
- F16H2001/327—Toothed gearings for conveying rotary motion with gears having orbital motion in which the central axis of the gearing lies inside the periphery of an orbital gear with orbital gear sets comprising an internally toothed ring gear
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Details Of Gearings (AREA)
Abstract
The invention relates to the technical field of wind power generation, in particular to a gear box for a wind driven generator, which comprises: the sun gear and the axle construction of connection are established to cover each other, locate the sun gear with connection structure between the axle construction, the sun gear the axle construction and connection structure encloses to close and forms a cavity that allows lubricating oil to get into, the last shaping of connection structure has the export that allows lubricating oil to flow out, just lubricating oil gets into behind the cavity court the flow of export direction is one-way. The invention effectively avoids the phenomenon that the gear box is easily damaged by tiny particles formed by abrasion.
Description
Technical Field
The invention relates to the technical field of wind power generation, in particular to a gear box for a wind driven generator.
Background
Compared with the traditional thermal power generation, the wind power generation has the advantage of no pollution in power generation, and compared with the hydraulic power generation, the wind power generation has the advantages of low capital construction cost, small occupied area and convenience in maintenance, and particularly, a water storage reservoir of a large-scale hydraulic power station easily causes certain potential safety hazards to downstream. In a wind turbine, the gearbox is a key component of the wind turbine. The gearbox in the wind driven generator has the characteristics of large transmission load, long working duration, high maintenance cost and the like once a fault occurs, such as failure of the gearbox caused by abrasion particles in the use process.
Disclosure of Invention
Therefore, the technical problem to be solved by the invention is to overcome the defect that the gear box is easily damaged by the tiny particles formed by abrasion in the prior art, so that the gear box for the wind driven generator is provided, and the damage of the tiny particles to the gear box is effectively avoided.
In order to solve the above technical problem, the present invention provides a gearbox for a wind power generator, comprising:
the sun gear and the axle construction of connection are established to cover each other, locate the sun gear with connection structure between the axle construction, the sun gear the axle construction and connection structure encloses to close and forms a cavity that allows lubricating oil to get into, the last shaping of connection structure has the export that allows lubricating oil to flow out, just lubricating oil gets into behind the cavity court the flow of export direction is one-way.
Furthermore, a protruding part is formed at one end, far away from the connecting structure, of the sun wheel along the radial direction, and the protruding part abuts against the end face, far away from the connecting structure, of the shaft structure.
Furthermore, a gap allowing lubricating oil to flow out is formed in the end face, and the lubricating oil flows in a one-way direction towards the gap after entering the cavity.
Further, the connecting structure is a spline.
Furthermore, a first oil delivery channel is formed at one end, far away from the connecting structure, of the shaft structure, and the first oil delivery channel is respectively communicated with an oil pool of the gearbox and an inlet of the cavity.
Further, the gearbox is characterized by further comprising a planet carrier sleeved on the shaft structure, wherein the planet carrier is provided with a second oil conveying channel which is simultaneously communicated with an oil pool of the gearbox and the first oil conveying channel.
Furthermore, an annular connecting piece is arranged between the outlet of the second oil conveying channel and the inlet of the first oil conveying channel.
Further, the annular connecting piece is a copper slip ring.
Furthermore, a lug is formed at one end of the shaft structure close to the connecting structure along the radial direction, and an opening allowing lubricating oil to flow out of the outlet of the cavity and then flow back to an oil pool of the gearbox is formed in the lug.
The technical scheme of the invention has the following advantages:
1. the invention provides a gear box for a wind driven generator, which comprises a sun wheel, a shaft structure and a connecting structure, wherein the sun wheel and the shaft structure are mutually sleeved and connected, the connecting structure is arranged between the sun wheel and the shaft structure, the sun wheel, the shaft structure and the connecting structure are enclosed to form a cavity allowing lubricating oil to enter, an outlet allowing the lubricating oil to flow out is formed in the connecting structure, and the lubricating oil flows in a one-way direction towards the outlet after entering the cavity. The sun gear, the antitorque connection each other of axle construction and connection structure, connection structure and sun gear are integrated into one piece structure, in order to with the connection structure cooperation on the sun gear, the shaping also has the spline with connection structure looks adaptation in the axle construction, the sun gear, a cavity of storing lubricating oil has been formed between axle construction and the connection structure, under the effect of pressure, lubricating oil flows along connection structure's export one-way, can not flow back promptly in the cavity, thereby with the sun gear, the small iron fillings that axle construction and connection structure wear to form in time wash away, effectively avoided its destruction to the connection structure, still play lubricated effect to the sun gear simultaneously, the contact surface of axle construction and connection structure, service life is prolonged.
2. The invention provides a gearbox for a wind driven generator, wherein a protruding part is formed at one end of a sun wheel, which is far away from a connecting structure, in the radial direction, and the protruding part abuts against the end face of a shaft structure, which is far away from the connecting structure. The middle part of the sun gear is provided with the convex part along the radial direction, the end face of the shaft structure far away from the connecting structure is an axial contact surface, the part of the axial contact surface far away from the sun gear is in rigid connection with the convex part and is completely attached to the convex part at a certain distance away from the outer wall of the sun gear to form a cavity, lubricating oil in the cavity plays a role in lubricating the contact surface, and abrasion between the convex part and the axial contact surface is reduced.
3. The invention provides a gearbox for a wind driven generator. The slip ring has the characteristics of good wear resistance, low temperature resistance, high humidity, sand wind resistance, corrosion resistance, impact resistance, vibration prevention, stable performance, no need of maintenance and the like, is long in service life, and can keep effective connection between the first conveying channel and the second conveying channel.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a schematic structural view of a gearbox for a wind turbine according to the present invention.
Fig. 2 is an enlarged view of the annular connector of fig. 1.
Description of reference numerals:
1-an annular gear; 2-a sun gear; 21-a projection; 3-a planet wheel; 4-a planet carrier;
5-shaft structure; 51-a bump; 52-opening the hole; 6-a linking structure; 7-an oil chamber;
8-axial contact surface; 9-a first oil delivery channel; 10-ring connector.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In addition, the technical features involved in the different embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
The specific embodiment of the gearbox for the wind driven generator as provided in fig. 1-2 includes a sun gear 2 and a shaft structure 5 sleeved and connected with each other, and a connecting structure 6 disposed between the sun gear 2 and the shaft structure 5, wherein the sun gear 2, the shaft structure 5 and the connecting structure 6 enclose and form a cavity 7 allowing lubricating oil to enter, an outlet allowing the lubricating oil to flow out is formed on the connecting structure 6, and the lubricating oil flows in a unidirectional direction towards the outlet after entering the cavity 7.
In the gearbox for the wind driven generator, the sun wheel 2, the shaft structure 5 and the connecting structure 6 are connected in an anti-torsion manner, the connecting structure 6 and the sun wheel 2 are of an integrally formed structure, in order to be matched with the connecting structure 6 on the sun wheel 2, a spline matched with the connecting structure 6 is also formed on the shaft structure 5, a cavity 7 with pressure for storing lubricating oil is formed among the sun wheel 2, the shaft structure 5 and the connecting structure 6, the lubricating oil flows out along the outlet of the connecting structure 6 in a single direction under the action of pressure, namely, the lubricating oil cannot flow back to the cavity 7, tiny scrap irons generated after the sun wheel 2, the shaft structure 5 and the connecting structure 6 are rubbed and abraded mutually are washed away, meanwhile, the contact surface of the sun wheel 2, the shaft structure 5 and the connecting structure 6 is lubricated, and the damage to the gearbox caused by tiny particles generated by abrasion is effectively avoided, so that parts in the gearbox fail too early, the service life of the gearbox is influenced.
The cavity 7 is an annular cavity, lubricating oil enters the cavity 7 from an oil pool of the gear box to fill the whole cavity 7, so that the inner surface of the cavity 7 is sufficiently flushed and lubricated, the lubricating oil flows out from an outlet on the connecting structure 6 under the action of pressure, the lubricating oil flows in the cavity 7 in a one-way mode, the lubricating oil cannot flow back to the cavity 7, and the problem that iron chips cannot be discharged due to repeated reciprocating flushing is avoided.
One end of the sun wheel 2, which is far away from the connecting structure 6, is radially formed with a protruding part 21, and the protruding part 21 abuts against an end surface of the shaft structure 5, which is far away from the connecting structure 6. The middle of the sun gear 2 is radially formed with a convex part 21, the end face of the shaft structure 5 far away from the connecting structure 6 is an axial contact surface 8, the part of the axial contact surface 8 far away from the sun gear 2 is in rigid connection with the convex part 21 and is completely attached to the outer wall of the sun gear 2 at a certain distance to form a cavity 7, lubricating oil in the cavity 7 also plays a role in lubricating the contact surface, and abrasion between the convex part 21 and the axial contact surface 8 is reduced.
The end face is provided with a gap allowing lubricating oil to flow out, and the lubricating oil flows in a one-way direction towards the gap after entering the cavity 7.
In the actual operation process of the gear box, the sun gear 2 can slightly creep relative to the shaft structure 5, abrasion and a small gap can be generated during creeping, and lubricating oil enters the cavity 7 and is sprayed out from the axial contact surface 8 on the protruding part 21 and the shaft structure 5, so that fine particles on the axial contact surface 8 are washed away, the axial contact surface 8 is lubricated, and small iron chips on the axial contact surface 8 are prevented from entering the cavity.
In particular, the connection 6 is a spline. The spline connection has the advantage of uniform stress; because the number of teeth is more, the total contact area is larger, so that larger load can be borne, and gaps among the teeth form outlets for lubricating oil to flow out; the guide is good, and the transmission torque is big.
And a first oil delivery channel 9 is formed at one end of the shaft structure 5, which is far away from the connecting structure 6, the first oil delivery channel 9 extends along the radial direction of the shaft structure 5, and the first oil delivery channel 9 is respectively communicated with an oil pool of the gear box and an inlet of the cavity 7. A first oil feed channel 9 is provided through the shaft construction 5 near the axial contact surface 8, which first oil feed channel 9 is connected to the oil sump of the gearbox and to the inlet of the cavity 7, respectively, for supplying the cavity 7 with lubricating oil from the oil sump of the gearbox.
Still establish including the cover planet carrier 4 on the axle construction 5, planet carrier 4 is located the one side of keeping away from connection structure 6, be equipped with simultaneously the intercommunication on planet carrier 4 the oil bath of gear box with the second oil transportation passageway of first oil transportation passageway 9. Specifically, an annular connecting piece 10 is arranged between the outlet of the second oil delivery channel and the inlet of the first oil delivery channel 9. In particular, the annular connection 10 is a copper slip ring. Lubricating oil in the oil sump of the gearbox enters the cavity 7 through the second oil delivery channel, the annular connecting piece 10 and the first oil delivery channel 9 in sequence under the action of pressure, finally flows out from an outlet of the connecting structure 6 and a gap between the protruding part 21 on the sun gear 2 and the axial contact surface 8 on the shaft structure 5, and flows back to the oil sump of the gearbox.
The slip ring has the characteristics of good wear resistance, low temperature resistance, high humidity, sand wind resistance, corrosion resistance, impact resistance, vibration prevention, stable performance, no need of maintenance and the like, is long in service life, and can keep effective connection between the first conveying channel and the second conveying channel.
A projection 51 is radially formed at one end of the shaft structure 5 close to the connecting structure 6, and an opening 52 for allowing lubricating oil to flow out from the outlet of the cavity 7 and then return to an oil sump of the gearbox is formed on the projection. This trompil 52 is the oil gallery that flows out the lubricating oil backward flow gear box of cavity 7 promptly, and the lubricating oil in cavity 7 is discharged by trompil 52 through connection structure 6, also washes away the small iron fillings that cause because of mutual friction, wearing and tearing back sun gear 2, axial structure 2 and connection structure 6 simultaneously.
Lubricating oil in the oil sump of the gearbox enters the cavity 7 through the second oil delivery channel, the annular connecting piece 10 and the first oil delivery channel 9 in sequence under the action of pressure, finally flows out from an outlet of the connecting structure 6 and a gap between the protruding part 21 on the sun gear 2 and the axial contact surface 8 on the shaft structure 5, and flows back to the oil sump of the gearbox. In the process, the lubricating oil can not only timely wash away scrap iron formed by friction between the convex part 21 formed along the radial direction of the sun gear 2 and the connecting end surface of the shaft structure 5 due to the forming of the cavity 7, but also synchronously wash away scrap iron formed by friction of the contact surfaces of the sun gear 2, the shaft structure 5 and the connecting structure 6 in the process that the lubricating oil flows from the inlet to the outlet of the cavity 7, so that the abrasion aggravated due to the accumulation of small scrap iron at the spline part is avoided.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are within the scope of the invention.
Claims (9)
1. A gearbox for a wind turbine, comprising:
establish sun gear (2) and axle construction (5) of connection each other, locate sun gear (2) with connection structure (6) between the axle construction, sun gear (2) axle construction (5) and connection structure (6) enclose to close and form a cavity (7) that allow lubricating oil to get into, the shaping has the export that allows lubricating oil to flow out on connection structure (6), just lubricating oil is getting into towards behind cavity (7) the flow of export direction is one-way.
2. Gearbox for a wind turbine according to claim 1, characterised in that the end of the sun wheel (2) remote from the connection (6) is formed with a projection (21) in the radial direction, which projection (21) abuts on the end face of the shaft structure (5) remote from the connection (6).
3. Gearbox for wind turbine according to claim 2, characterised in that said end surface is provided with a gap allowing the outflow of lubricating oil, said lubricating oil after entering said cavity (7) having a unidirectional flow in the direction of said gap.
4. Gearbox for wind turbine according to claim 2, characterised in that said connection structure (6) is a spline.
5. Gearbox for a wind turbine according to claim 1, characterised in that the end of said shaft structure (5) remote from said connection structure (6) is formed with a first oil delivery channel (9), said first oil delivery channel (9) communicating the oil sump of the gearbox and the inlet of said cavity (7), respectively.
6. The gearbox for the wind driven generator according to claim 5, further comprising a planet carrier (4) sleeved on the shaft structure (5), wherein the planet carrier (4) is provided with a second oil delivery channel which is communicated with an oil pool of the gearbox and the first oil delivery channel (9) at the same time.
7. Gearbox for wind turbines according to claim 6, characterised in that an annular connection (10) is provided between the outlet of said second oil delivery channel and the inlet of said first oil delivery channel (9).
8. Gearbox for wind turbine according to claim 7, characterised in that said annular connection (10) is a copper slip ring.
9. Gearbox for wind power generators according to any of claims 1-8, characterized in that the end of the shaft structure (5) near the connection structure (6) is formed with a projection (51) in the radial direction, which projection is formed with an opening (52) allowing the oil to flow out of the outlet of the cavity (7) and back to the oil sump of the gearbox.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811137735.3A CN110953303A (en) | 2018-09-27 | 2018-09-27 | Gear box for wind driven generator |
| PCT/CN2019/108741 WO2020063920A1 (en) | 2018-09-27 | 2019-09-27 | Gearbox for wind turbine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811137735.3A CN110953303A (en) | 2018-09-27 | 2018-09-27 | Gear box for wind driven generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110953303A true CN110953303A (en) | 2020-04-03 |
Family
ID=69952856
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811137735.3A Pending CN110953303A (en) | 2018-09-27 | 2018-09-27 | Gear box for wind driven generator |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN110953303A (en) |
| WO (1) | WO2020063920A1 (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003120894A (en) * | 2001-10-12 | 2003-04-23 | Nissan Motor Co Ltd | Bearing lubrication structure of rotary shaft |
| JP2011185283A (en) * | 2010-03-04 | 2011-09-22 | Toyota Motor Corp | Driving device |
| CN103671853A (en) * | 2012-09-18 | 2014-03-26 | 南车戚墅堰机车车辆工艺研究所有限公司 | Lubricating structure of rotating spline |
| CN104930173A (en) * | 2015-07-02 | 2015-09-23 | 南车戚墅堰机车车辆工艺研究所有限公司 | Wind turbine gearbox and lubricating, cooling and flushing structure of spline pair thereof |
| WO2017032558A1 (en) * | 2015-08-27 | 2017-03-02 | Zf Friedrichshafen Ag | Gearbox of a wind turbine |
| US20170114835A1 (en) * | 2015-10-23 | 2017-04-27 | Rolls-Royce Corporation | Power Transmission Device |
| CN209340426U (en) * | 2018-09-27 | 2019-09-03 | 南京高速齿轮制造有限公司 | A kind of wind-driven generator gear-box |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101586538A (en) * | 2009-07-09 | 2009-11-25 | 南京高速齿轮制造有限公司 | Lubrication mechanism in wind power generator gear case |
| DE102009034833A1 (en) * | 2009-07-27 | 2011-02-03 | Siemens Aktiengesellschaft | planetary gear |
| DE102010043816A1 (en) * | 2010-11-12 | 2012-05-16 | Zf Friedrichshafen Ag | Transmission assembly for wind turbine, has lubricant channel carrier which is approximately coaxial with the sun gear of planetary gear and output stage which is associated with a hollow shaft |
| DE102013217950A1 (en) * | 2013-09-09 | 2015-03-12 | Siemens Aktiengesellschaft | Planetary gear for a wind turbine |
| CN105402377A (en) * | 2015-12-14 | 2016-03-16 | 南京安维士传动技术股份有限公司 | Wind power gear box |
| CN205715576U (en) * | 2016-04-13 | 2016-11-23 | 南京高速齿轮制造有限公司 | Planetary transmission for wind power equipment |
| CN207268302U (en) * | 2017-08-23 | 2018-04-24 | 岭澳核电有限公司 | The lubricating structure and gear-box of nuclear power circulation |
-
2018
- 2018-09-27 CN CN201811137735.3A patent/CN110953303A/en active Pending
-
2019
- 2019-09-27 WO PCT/CN2019/108741 patent/WO2020063920A1/en active Application Filing
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003120894A (en) * | 2001-10-12 | 2003-04-23 | Nissan Motor Co Ltd | Bearing lubrication structure of rotary shaft |
| JP2011185283A (en) * | 2010-03-04 | 2011-09-22 | Toyota Motor Corp | Driving device |
| CN103671853A (en) * | 2012-09-18 | 2014-03-26 | 南车戚墅堰机车车辆工艺研究所有限公司 | Lubricating structure of rotating spline |
| CN104930173A (en) * | 2015-07-02 | 2015-09-23 | 南车戚墅堰机车车辆工艺研究所有限公司 | Wind turbine gearbox and lubricating, cooling and flushing structure of spline pair thereof |
| WO2017032558A1 (en) * | 2015-08-27 | 2017-03-02 | Zf Friedrichshafen Ag | Gearbox of a wind turbine |
| US20170114835A1 (en) * | 2015-10-23 | 2017-04-27 | Rolls-Royce Corporation | Power Transmission Device |
| CN209340426U (en) * | 2018-09-27 | 2019-09-03 | 南京高速齿轮制造有限公司 | A kind of wind-driven generator gear-box |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2020063920A1 (en) | 2020-04-02 |
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Effective date of registration: 20200506 Address after: 211100 No. 30 Houjiao Road, High-tech Park, Jiangning District, Nanjing City, Jiangsu Province Applicant after: NANJING HIGH SPEED GEAR MANUFACTURING Co.,Ltd. Address before: 211100 No. 1 East Tianyuan Road, Jiangning Science Park, Nanjing, Jiangsu Applicant before: NANJING HIGH SPEED GEAR MANUFACTURING Co.,Ltd. Applicant before: Nanjing High Precision Transmission Equipment Manufacturing Group Co., Ltd. |