CN110725939A - Wind power gear box - Google Patents
Wind power gear box Download PDFInfo
- Publication number
- CN110725939A CN110725939A CN201911113885.5A CN201911113885A CN110725939A CN 110725939 A CN110725939 A CN 110725939A CN 201911113885 A CN201911113885 A CN 201911113885A CN 110725939 A CN110725939 A CN 110725939A
- Authority
- CN
- China
- Prior art keywords
- wind power
- planet carrier
- flange
- stop
- hole
- 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
- 230000000149 penetrating effect Effects 0.000 claims abstract description 10
- 238000007789 sealing Methods 0.000 claims description 15
- 238000009434 installation Methods 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 238000010248 power generation Methods 0.000 abstract description 5
- 239000010687 lubricating oil Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000008707 rearrangement Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001360 synchronised effect Effects 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
- F16H57/00—General details of gearing
- F16H57/08—General details of gearing of gearings with members having orbital motion
- F16H57/082—Planet carriers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D15/00—Transmission of mechanical power
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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
- 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
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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
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H57/029—Gearboxes; Mounting gearing therein characterised by means for sealing the gearboxes, e.g. to improve airtightness
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- 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
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Wind Motors (AREA)
Abstract
The invention relates to the technical field of wind power generation equipment and discloses a wind power gear box. The invention provides a wind power gear box which comprises a planet carrier, a flange and a tubular shaft. Specifically, the flange can be fixed connection on the planet carrier, is provided with the locking hole on the flange. The end of the tubular shaft is provided with a stop part, and the stop part is matched with the stop hole and can be fixedly arranged in the stop hole in a penetrating mode, so that the tubular shaft can rotate synchronously with the planet carrier. According to the wind power gear box provided by the invention, the flange is fixedly connected to the planet carrier, the stop hole is formed in the flange, the stop part is arranged at the end part of the tubular shaft, and the stop part cannot rotate relative to the stop hole when being arranged in the stop hole in a penetrating manner, so that the tubular shaft and the planet carrier can synchronously rotate through the flange. The fixing mode between the tubular shaft and the planet carrier does not need a stop block, so that the number of parts is reduced, the structure is simpler, the installation is easy, and the production cost is low.
Description
Technical Field
The invention relates to the technical field of wind power generation equipment, in particular to a wind power gear box.
Background
Wind power is used as a renewable energy source, has strong advantages for power generation, and has the advantages of low construction cost, small occupied area, convenience in maintenance and the like compared with power generation by using energy sources such as firepower, solar energy, waterpower and the like.
The wind power gear box is main equipment for wind power generation, and the tubular shaft is one of important parts in the wind power gear box. The main function of the pipe shaft is to pass cables for controlling yaw and pitch, so as to realize control of yaw and pitch. The pipe shaft needs to be fixed with a planet carrier in the wind-driven gearbox so as to realize synchronous rotation of the pipe shaft and the planet carrier. In the existing wind power gearbox, a flange and a stop block are generally utilized to fix the tubular shaft and the planet carrier together, but the fixing mode has the disadvantages of complex structure, difficult installation and high production cost.
Therefore, a new wind power gearbox is needed to solve the above technical problems.
Disclosure of Invention
The invention aims to provide a wind power gear box, which is simpler in fixing mode between a tubular shaft and a planet carrier, more convenient to install and lower in production cost compared with the prior art.
In order to achieve the purpose, the invention adopts the following technical scheme:
a wind power gearbox comprising:
a planet carrier;
the flange can be fixedly connected to the planet carrier, and a stop hole is formed in the flange;
and the end part of the pipe shaft is provided with a stop part, and the stop part is matched with the stop hole and can be fixedly arranged in the stop hole in a penetrating way, so that the pipe shaft and the planet carrier can synchronously rotate.
As a preferable scheme of the wind power gear box, a first plane is arranged on the inner wall of the stopping hole, a second plane is arranged on the outer wall of the stopping part, and the second plane can be attached to the first plane.
As a preferable scheme of the wind power gear box, the inner wall of the stopping hole is provided with two first planes, the two first planes are arranged oppositely, the outer wall of the stopping part is provided with two second planes, and the two second planes are arranged oppositely.
As the preferable scheme of the wind power gear box, the flange comprises a first connecting portion and a second connecting portion, the stop hole is formed in the first connecting portion, and the flange can be fixedly connected to the planet carrier through the second connecting portion.
As a preferable scheme of the wind power gear box, the second connecting portion can be connected with the planet carrier through a fastener.
As a preferable scheme of the wind power gear box, a gasket is arranged between the fastening piece and the planet carrier.
As the preferable scheme of the wind power gear box, a first sealing ring is arranged between the second connecting part and the planet carrier.
As a preferred scheme of the wind power gear box, the flange further comprises a first sleeving part, the tubular shaft further comprises a second sleeving part, the second sleeving part can be arranged in the mounting hole of the first sleeving part in a penetrating mode, and the first sleeving part can be arranged in the mounting hole of the planet carrier in a penetrating mode.
As a preferable scheme of the wind power gearbox, the first connecting portion and the first sleeving portion are respectively located on two sides of the second connecting portion.
As a preferable scheme of the wind power gear box, a second sealing ring is arranged between the second sleeving part and the first sleeving part, and/or
And a third sealing ring is arranged between the first sleeving part and the planet carrier.
The invention has the beneficial effects that:
according to the wind power gear box provided by the invention, the flange is fixedly connected to the planet carrier, the stop hole is formed in the flange, the stop part is arranged at the end part of the tubular shaft, and the stop part cannot rotate relative to the stop hole when being arranged in the stop hole in a penetrating manner, so that the tubular shaft and the planet carrier can synchronously rotate through the flange. The fixing mode between the tubular shaft and the planet carrier does not need a stop block, so that the number of parts is reduced, the structure is simpler, the installation is easy, and the production cost is low.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the description of the embodiments of the present invention will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the contents of the embodiments of the present invention and the drawings without creative efforts.
FIG. 1 is a partial cross-sectional view of a wind turbine gearbox provided in accordance with an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a flange and a pipe shaft in a wind turbine gearbox provided by an embodiment of the invention.
In the figure:
1-a planet carrier;
2-a flange; 21-a stop hole; 211 — a first plane; 22-a first connection; 23-a second connection; 24-a first encasement portion;
3-pipe shaft; 31-a stop; 311-a second plane; 32-a second encasement portion;
4-a fastener;
5-a gasket;
6-first sealing ring;
7-a second sealing ring;
8-third seal ring.
Detailed Description
In order to make the technical problems solved, technical solutions adopted and technical effects achieved by the present invention clearer, the technical solutions of the embodiments of the present invention will be described in further detail below with reference to the accompanying drawings, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. 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 the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only or to distinguish between different structures or components and are not to be construed as indicating or implying relative importance. Wherein the terms "first position" and "second position" are two different positions.
In the description of the present invention, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection or a removable connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in fig. 1 and 2, the present embodiment provides a wind power gearbox, which includes a planet carrier 1, a flange 2 and a pipe shaft 3. Specifically, the flange 2 can be fixedly connected to the planet carrier 1, and the flange 2 is provided with a stop hole 21. The end of the pipe shaft 3 is provided with a stopper 31, and the stopper 31 is adapted to the stopper hole 21 and can be fixedly inserted into the stopper hole 21 so that the pipe shaft 3 can rotate synchronously with the carrier 1.
In the wind power gear box provided by the embodiment, the flange 2 is fixedly connected to the planet carrier 1, the stop hole 21 is formed in the flange 2, the stop part 31 is formed at the end part of the tubular shaft 3, and the stop part 31 cannot rotate relative to the stop hole 21 when being arranged in the stop hole 21 in a penetrating mode, so that the tubular shaft 3 and the planet carrier 1 can synchronously rotate through the flange 2. The fixing mode between the tubular shaft 3 and the planet carrier 1 does not need a stop block, so that the number of parts is reduced, the structure is simpler, the installation is easy, and the production cost is low.
Preferably, as shown in fig. 2, a first plane 211 is disposed on an inner wall of the stopper hole 21, and a second plane 311 is disposed on an outer wall of the stopper portion 31, wherein the second plane 311 can be attached to the first plane 211. By machining two flat surfaces in the stopper hole 21 and the stopper portion 31, relative rotation between the two can be prevented, and the pipe shaft 3, the flange 2, and the carrier 1 can be rotated in synchronization.
Alternatively, in the present embodiment, two first planes 211 are disposed on the inner wall of the stopper hole 21, the two first planes 211 are disposed opposite to each other, two second planes 311 are disposed on the outer wall of the stopper portion 31, and the two second planes 311 are disposed opposite to each other. Of course, in other embodiments, the number of the first plane 211 and the second plane 311 may be increased or decreased according to actual requirements, and is not limited herein.
Specifically, in the present embodiment, the flange 2 includes a first connecting portion 22 and a second connecting portion 23, the stop hole 21 is provided on the first connecting portion 22, and the flange 2 can be fixedly connected to the carrier 1 through the second connecting portion 23. Further, in order to facilitate the detachment and installation between the flange 2 and the carrier 1, in the present embodiment, the second connecting portion 23 is connected to the carrier 1 by the fastening member 4. Specifically, the fastener 4 is a bolt. The plurality of fastening members 4 are arranged at intervals in the circumferential direction of the intrados surface of the stopper hole 21. Further, a washer 5 is provided between the fastener 4 and the carrier 1.
Preferably, a first sealing ring 6 is arranged between the second connecting portion 23 and the planet carrier 1. The first sealing ring 6 can prevent lubricating oil from leaking between the second connecting portion 23 and the planet carrier 1, and the sealing effect of the wind power gear box is ensured. Optionally, the first sealing ring 6 is an O-ring.
Preferably, in the present embodiment, the flange 2 further includes a first sleeving part 24, the pipe shaft 3 further includes a second sleeving part 32, the second sleeving part 32 can be inserted into a mounting hole of the first sleeving part 24, and the first sleeving part 24 can be inserted into a mounting hole of the planet carrier 1. Through the cooperation of first suit portion 24, second suit portion 32 and planet carrier 1 three, be favorable to guaranteeing the stability of cooperation between flange 2 and hollow shaft 3 and the planet carrier 1. Alternatively, the first connection portion 22 and the first sheathing portion 24 are located at both sides of the second connection portion 23, respectively.
Preferably, a second sealing ring 7 is arranged between the second encasement portion 32 and the first encasement portion 24, and/or a third sealing ring 8 is arranged between the first encasement portion 24 and the planet carrier 1. Specifically, in the present embodiment, the second seal ring 7 is provided between the second housing portion 32 and the first housing portion 24 to prevent the lubricating oil from leaking between the second housing portion 32 and the first housing portion 24. Optionally, the second sealing ring 7 is an O-ring. Further, in the present embodiment, the third seal ring 8 is provided between the first housing portion 24 and the carrier 1 to prevent leakage of the lubricating oil from between the first housing portion 24 and the carrier 1. Optionally, the third sealing ring 8 is an O-ring.
It is to be noted that the foregoing is only illustrative of the preferred embodiments of the present invention and the technical principles employed. It will be understood by those skilled in the art that the present invention 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 invention. Therefore, although the present invention has been described in greater detail by the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the spirit of the present invention, and the scope of the present invention is determined by the scope of the appended claims.
Claims (10)
1. A wind power gearbox, comprising:
a planet carrier;
the flange can be fixedly connected to the planet carrier, and a stop hole is formed in the flange;
and the end part of the pipe shaft is provided with a stop part, and the stop part is matched with the stop hole and can be fixedly arranged in the stop hole in a penetrating way, so that the pipe shaft and the planet carrier can synchronously rotate.
2. The wind power gearbox according to claim 1, wherein a first plane is arranged on the inner wall of the stopping hole, a second plane is arranged on the outer wall of the stopping part, and the second plane can be attached to the first plane.
3. The wind power gearbox according to claim 2, wherein the inner wall of the stop hole is provided with two first planes, the two first planes are arranged oppositely, the outer wall of the stop part is provided with two second planes, and the two second planes are arranged oppositely.
4. A wind power gearbox according to any of the preceding claims 1-3, characterised in that said flange comprises a first connection portion and a second connection portion, said stop hole being provided in said first connection portion, said flange being fixedly connectable to said planet carrier via said second connection portion.
5. The wind power gearbox of claim 4, wherein the second connection portion is connectable with the planet carrier via a fastener.
6. The wind power gearbox of claim 5, wherein a washer is disposed between the fastener and the planet carrier.
7. The wind power gearbox of claim 4, wherein a first seal ring is disposed between the second connection portion and the planet carrier.
8. The wind power gearbox of claim 4, wherein the flange further comprises a first sleeving part, the tubular shaft further comprises a second sleeving part, the second sleeving part can be arranged in a mounting hole of the first sleeving part in a penetrating mode, and the first sleeving part can be arranged in a mounting hole of the planet carrier in a penetrating mode.
9. The wind power gearbox of claim 8, wherein the first connection portion and the first encasement portion are located on either side of the second connection portion, respectively.
10. A wind power gearbox according to claim 8, characterised in that a second sealing ring is arranged between said second encasement portion and said first encasement portion, and/or
And a third sealing ring is arranged between the first sleeving part and the planet carrier.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911113885.5A CN110725939A (en) | 2019-11-14 | 2019-11-14 | Wind power gear box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911113885.5A CN110725939A (en) | 2019-11-14 | 2019-11-14 | Wind power gear box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110725939A true CN110725939A (en) | 2020-01-24 |
Family
ID=69224146
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911113885.5A Pending CN110725939A (en) | 2019-11-14 | 2019-11-14 | Wind power gear box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110725939A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202510680U (en) * | 2012-02-15 | 2012-10-31 | 三一电气有限责任公司 | Wind-power acceleration gearbox and mounting structure of hollow shaft thereof |
| CN202833998U (en) * | 2012-10-15 | 2013-03-27 | 重庆齿轮箱有限责任公司 | Axial end sealing structure of wire passing pipe of wind power gear box |
| CN203272733U (en) * | 2013-04-12 | 2013-11-06 | 南京高速齿轮制造有限公司 | Tube shaft support in wind driven generator gear case |
| CN209041460U (en) * | 2018-10-26 | 2019-06-28 | 江苏华海装备技术股份有限公司 | Wind turbine gearbox |
| CN210890039U (en) * | 2019-11-14 | 2020-06-30 | 南京高速齿轮制造有限公司 | Wind power gear box |
-
2019
- 2019-11-14 CN CN201911113885.5A patent/CN110725939A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202510680U (en) * | 2012-02-15 | 2012-10-31 | 三一电气有限责任公司 | Wind-power acceleration gearbox and mounting structure of hollow shaft thereof |
| CN202833998U (en) * | 2012-10-15 | 2013-03-27 | 重庆齿轮箱有限责任公司 | Axial end sealing structure of wire passing pipe of wind power gear box |
| CN203272733U (en) * | 2013-04-12 | 2013-11-06 | 南京高速齿轮制造有限公司 | Tube shaft support in wind driven generator gear case |
| CN209041460U (en) * | 2018-10-26 | 2019-06-28 | 江苏华海装备技术股份有限公司 | Wind turbine gearbox |
| CN210890039U (en) * | 2019-11-14 | 2020-06-30 | 南京高速齿轮制造有限公司 | Wind power gear box |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20200513 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. 30 Houjiao Road, High-tech Park, Jiangning District, Nanjing City, Jiangsu Province Applicant before: NANJING HIGH SPEED GEAR MANUFACTURING Co.,Ltd. Applicant before: Nanjing High Precision Transmission Equipment Manufacturing Group Co., Ltd. |