CN216077415U - Integrated wind driven generator - Google Patents

Integrated wind driven generator Download PDF

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Publication number
CN216077415U
CN216077415U CN202122941564.3U CN202122941564U CN216077415U CN 216077415 U CN216077415 U CN 216077415U CN 202122941564 U CN202122941564 U CN 202122941564U CN 216077415 U CN216077415 U CN 216077415U
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CN
China
Prior art keywords
generator
gear box
rotor
end cover
output shaft
Prior art date
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Active
Application number
CN202122941564.3U
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Chinese (zh)
Inventor
李岩
车三宏
李华
王庆兵
龙英睿
梁双全
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
CRRC Zhuzhou Electric Co Ltd
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CRRC Zhuzhou Electric Co Ltd
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Publication date
Application filed by CRRC Zhuzhou Electric Co Ltd filed Critical CRRC Zhuzhou Electric Co Ltd
Priority to CN202122941564.3U priority Critical patent/CN216077415U/en
Priority to PCT/CN2021/140438 priority patent/WO2023092780A1/en
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Publication of CN216077415U publication Critical patent/CN216077415U/en
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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
    • 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
    • F03D80/00—Details, components or accessories not provided for in groups F03D1/00 - F03D17/00
    • F03D80/60—Cooling or heating of wind motors
    • 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
    • F03D80/00—Details, components or accessories not provided for in groups F03D1/00 - F03D17/00
    • F03D80/70—Bearing or lubricating arrangements
    • 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
    • F03D9/00—Adaptations of wind motors for special use; Combinations of wind motors with apparatus driven thereby; Wind motors specially adapted for installation in particular locations
    • F03D9/20—Wind motors characterised by the driven apparatus
    • F03D9/25—Wind motors characterised by the driven apparatus the apparatus being an electrical generator
    • 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)
  • Mechanical Engineering (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Power Engineering (AREA)
  • Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
  • Wind Motors (AREA)

Abstract

The utility model discloses an integrated wind driven generator which comprises a gear box and a generator coaxially connected with an output shaft of the gear box, wherein one end of the generator, which is connected with the gear box, is provided with a supporting end cover and a supporting bearing, the supporting end cover is used for packaging and isolating the generator and the gear box, the output shaft of the gear box extends into the generator and is connected with a rotor of the generator, and the supporting bearing is used for supporting the output shaft of the gear box. Above-mentioned integral type aerogenerator has alleviateed generator weight, has shortened generator axial length, has reduced manufacturing cost, has reduced the assembly degree of difficulty simultaneously, makes things convenient for later maintenance.

Description

Integrated wind driven generator
Technical Field
The utility model relates to the field of motors, in particular to an integrated wind driven generator.
Background
The rapid development of clean energy is a development trend towards low-carbon life in countries in the world, and the proportion of new energy power generation such as wind power generation in the power market is increased day by day. The devices required for wind power generation are called wind generating sets. The wind generating set can be divided into three parts, namely a wind wheel, a generator and a tower, wherein the wind wheel is driven by wind power to rotate, and the generator is driven by the transmission of a gear box to rotate so as to generate electricity. Two ends of a generator rotor are supported on a base through a bearing and an end cover, a generator is independently provided with parts such as a shaft system, and the problems of generator lubricating grease, lubricating oil model selection, bearing model, service life, sealing and the like need to be considered in design; meanwhile, the end cover of the generator and the inner and outer covers of the bearing have complex structures, and a mold needs to be separately arranged for a casting; in addition, the installation of the bearing has high requirements on the processing precision of parts such as end covers, bearing chambers, inner and outer covers of the bearing, bushes and the like, and the design and manufacturing cost of the wind driven generator is greatly increased by the factors.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide an integrated wind driven generator, which reduces the weight of the generator, shortens the axial length of the generator, reduces the production cost, reduces the assembly difficulty and facilitates later maintenance.
In order to achieve the purpose, the utility model provides an integrated wind driven generator which comprises a gear box and a generator coaxially connected with an output shaft of the gear box, wherein one end of the generator, which is connected with the gear box, is provided with a supporting end cover and a supporting bearing, the supporting end cover is used for packaging and isolating the generator and the gear box, the output shaft of the gear box extends into the generator and is connected with a rotor of the generator, and the supporting bearing is used for supporting the output shaft of the gear box.
Optionally, the generator includes a stator frame, a stator, a rotor, a rear end cover and a rear bearing, and the support end cover and the support bearing are disposed at a front end of the generator and at a rear end of the gear box.
Optionally, the output shaft of the gearbox and the rotor are fixedly connected through a generator adapter plate.
Optionally, a brake disc for braking the rotor is arranged at the rear end cover.
Optionally, the rotor is fixedly connected with the rotor support and the support transition ring, and the brake disc is arranged on the periphery of the support transition ring.
Optionally, a generator cooler is further included to cool the generator.
Optionally, the generator cooler is an air-cooled cooler.
Optionally, the generator cooler is disposed on a peripheral portion of the stator frame or the generator cooler is disposed on the rear end cover.
Compared with the prior art, the integrated wind driven generator provided by the utility model comprises the generator and the gear box, the integrated wind driven generator is compact in structure, one end of the generator and the output end of the gear box share the supporting end cover and the supporting bearing, the weight of the generator is greatly reduced, the output shaft of the gear box extends into the generator to drive the rotor to rotate, the rotor shaft of the generator is omitted, the axial length of the generator is shortened, the reliability of the generator is higher, the later maintainability is higher, and the product cost is more advantageous. Meanwhile, the integrated wind driven generator reduces the difficulty of motor assembly and improves the production efficiency of the generator.
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, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
FIG. 1 is a schematic view of an integrated wind turbine provided by the present invention;
fig. 2 is a block diagram of the generator of fig. 1.
Wherein:
1-a gear box, 2-a generator, 3-a support end cover and 4-a support bearing;
11-output shaft, 21-stator base, 22-stator, 23-rotor, 24-generator adapter disc, 25-rotor support, 26-support transition ring, 27-brake disc, 28-rear end cover, 29-rear bearing and 210-generator cooler.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the 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 order that those skilled in the art will better understand the disclosure, the utility model will be described in further detail with reference to the accompanying drawings and specific embodiments.
Referring to fig. 1 and 2, fig. 1 is a schematic view of an integrated wind power generator provided by the present invention, and fig. 2 is a structural view of a generator 2 in fig. 1, in which a transmission portion of a gear box 1 is omitted, and only a rear end cover, i.e., a support end cover 3 and an output shaft 11, of the gear box 1 are reserved.
The embodiment of the utility model provides an integrated wind driven generator which comprises a generator 2 and a gear box 1, wherein the generator 2 and the gear box 1 share a supporting end cover 3 and a supporting bearing 4, the weight of the generator 2 is greatly reduced, an output shaft 11 of the gear box 1 extends into the generator 2 to drive a rotor 23 to operate, a shafting of the generator 2 is omitted, the axial length of the generator 2 is shortened, the reliability of the generator 2 is higher, the later maintainability is higher, and the product cost is more advantageous. Meanwhile, the compact integrated wind driven generator reduces the difficulty of motor assembly and improves the production efficiency of the generator 2.
Specifically, the shaft system of the gearbox 1 at least comprises an input shaft and an output shaft 11 connected with the input shaft through a multi-stage gear transmission, wherein the input shaft is used for connecting fan blades, and the output shaft 11 is used for connecting and driving a rotor 23 of the generator 2. The generator 2 comprises a stator base 21, a stator 22 arranged in the stator base 21 and a rotor 23 arranged on the inner periphery of the stator 22, the rotor 23 is connected with the output shaft 11 of the gearbox 1 which is arranged in an extending way, the rear end of the rotor 23 is provided with a rear end cover 28, a rear bearing 29 is arranged according to requirements (the rear bearing 29 can be omitted), and the rear end of the generator 2 is sealed through the rear end cover 28. The generator 2 and the gearbox 1 further comprise a supporting end cover 3 and a supporting bearing 4 which are shared by the generator 2 and the gearbox 1, an output shaft 11 of the gearbox 1 is coaxially connected with a rotor 23 of the generator 2, the output shaft penetrates through the supporting end cover 3 and can be supported by the supporting bearing 4, the supporting end cover 3 plays a role in sealing the front end of the generator 2 and the rear end of the gearbox 1, and the rear end cover 28 isolates the generator 2 from the gearbox 1.
In the embodiment of the present application, the output shaft 11 of the gearbox 1 and the rotor 23 of the generator 2 can be coaxially fixed through a generator adapter plate 24. Illustratively, the front end of the generator 2 shares a support end cover 3 with the gear box 1, the output shaft 11 passes through the support end cover 3 and is supported by a support bearing 4, the rotor 23 is connected with a rotor bracket 25, the rotor bracket 25 is provided with a bolt hole and a spigot connected with the output shaft 11 of the gear box 1, the flange end face at the front end of the stator base 21 is provided with a threaded hole and a spigot connected with the gear box 1 and the support end cover 3, and the stator base 21 is assembled with the gear box 1 through the support end cover 3. The rotor 23 of the generator 2 is driven to rotate by the output shaft 11 of the gear box 1, and the mechanical energy is converted into electric energy.
The rotor bracket 25 can be made of a welded part casting, the connection mode adopts bolts and/or bolts matched with pins to connect the rotor 23, and the rotor bracket 25 can be in matched connection with the standard in the prior art. Further, a bracket transition ring 26 is further provided on the rotor bracket 25, and a brake disc 27 is connected to the outer periphery of the bracket transition ring 26, and acts on the bracket transition ring 26 through the brake disc 27 so as to brake the rotor 23 in a specific state. In addition, for convenience of maintenance, the rotor support 25 can also be connected with the output shaft 11 of the gear box 1 through a switching flange, the support transition ring 26 and the rotor support 25 can be integrally cast and formed into an integral structure, and can also be detachably connected through connecting pieces such as bolts in a split structure, and the application does not specifically limit the structure.
On the basis of the above-mentioned embodiment, in order to avoid heat generation of the integrated wind power generator during long-term operation, the integrated wind power generator further includes a generator cooler 210 for cooling the generator 2, particularly the stator 22 of the generator 2. The generator cooler 210 may be provided at the periphery of the stator frame 21 as shown in fig. 2, and may be disposed at the rear end cover 28 of the generator 2 as needed, and the assembly structure of the generator 2 and the generator cooler 210 may be performed with reference to a standard of the related art. It should be noted that generator cooler 210 is not limited to an air-cooled cooler, and for a high-power, high-capacity integrated wind turbine, a liquid-cooled or water-cooled cooler may be used as generator cooler 210.
The integrated wind driven generator integrates the gear box 1 and the generator 2 into a whole, an output shaft 11 of the gear box 1 is coaxially connected with a rotor 23 of the generator 2, the support end cover 3 and the support bearing 4 are shared by the generator 2 and the gear box 1, namely, the support end cover 3 serves as a rear end cover of the gear box 1 and a front end cover of the generator 2, the support bearing 4 serves as a rear bearing of the gear box 1 and a front bearing of the generator 2, the support end cover 3 and the support bearing 4 are shared, the output shaft 11 replaces a shaft system of the generator 2, the axial length of the generator 2 is shortened, the rotor 23 of the generator 2 is connected with the output shaft 11 of the gear box 1, and the rotor 23 is driven by the output shaft 11 of the gear box 1 to run and generate electricity.
For the wind driven generator 2 with large capacity, a large amount of material cost and equipment mold opening cost are saved, so that the manufacturing cost of the wind driven generator 2 with large capacity is reduced. The integrated wind driven generator omits a partial shafting structure of the generator 2, the output shaft 11 of the gear box 1 extends into the generator 2 to drive the rotor 23 to operate, the structure of the generator 2 is simplified, and the assembly efficiency and the convenience of later maintenance are improved.
It is noted that, in this specification, relational terms such as first and second, and the like are used solely to distinguish one entity from another entity without necessarily requiring or implying any actual such relationship or order between such entities.
The integrated wind power generator provided by the utility model is described in detail above. The principles and embodiments of the present invention are explained herein using specific examples, which are presented only to assist in understanding the method and its core concepts. It should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the present invention without departing from the principle of the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention.

Claims (8)

1. The integrated wind driven generator is characterized by comprising a gear box and a generator coaxially connected with an output shaft of the gear box, wherein one end, connected with the gear box, of the generator is provided with a supporting end cover and a supporting bearing, the supporting end cover is used for packaging and isolating the generator and the gear box, the output shaft of the gear box extends into the generator and is connected with a rotor of the generator, and the supporting bearing is used for supporting the output shaft of the gear box.
2. The integrated wind turbine of claim 1, wherein the generator comprises a stator frame, a stator, a rotor, a rear end cover and a rear bearing, the support end cover and the support bearing being disposed at a front end of the generator and at a rear end of the gearbox.
3. The integrated wind turbine according to claim 2, wherein the output shaft of the gearbox and the rotor are fixedly connected by a generator adapter plate.
4. The integrated wind power generator according to claim 2, wherein a brake disc for braking the rotor is provided at the rear end cover.
5. The integrated wind power generator as claimed in claim 4, wherein the rotor is fixedly connected to a rotor bracket and a bracket transition ring, and the brake disc is disposed on an outer periphery of the bracket transition ring.
6. The integrated wind power generator of any one of claims 2-5, further comprising a generator cooler to cool the generator.
7. The integrated wind power generator of claim 6, wherein the generator cooler is an air-cooled cooler.
8. The integrated wind turbine according to claim 6, wherein the generator cooler is provided at a peripheral portion of the stator frame or the generator cooler is provided at the rear end cover.
CN202122941564.3U 2021-11-26 2021-11-26 Integrated wind driven generator Active CN216077415U (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN202122941564.3U CN216077415U (en) 2021-11-26 2021-11-26 Integrated wind driven generator
PCT/CN2021/140438 WO2023092780A1 (en) 2021-11-26 2021-12-22 Integrated wind turbine generator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202122941564.3U CN216077415U (en) 2021-11-26 2021-11-26 Integrated wind driven generator

Publications (1)

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CN216077415U true CN216077415U (en) 2022-03-18

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Application Number Title Priority Date Filing Date
CN202122941564.3U Active CN216077415U (en) 2021-11-26 2021-11-26 Integrated wind driven generator

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CN (1) CN216077415U (en)
WO (1) WO2023092780A1 (en)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103089542A (en) * 2011-10-28 2013-05-08 华锐风电科技(集团)股份有限公司 Transmission system of wind generating set and wind generating set
CN107035621A (en) * 2017-06-14 2017-08-11 山东中车风电有限公司 A kind of half-direct-drive wind driven generator group transmission system
CN208010523U (en) * 2018-02-08 2018-10-26 明阳智慧能源集团股份公司 A kind of wind power generating set compact transmission chain structure
CN112963314B (en) * 2021-02-25 2022-07-01 上海电气风电集团股份有限公司 Wind generating set and transmission device thereof
CN113217612A (en) * 2021-06-08 2021-08-06 北京三力新能科技有限公司 Gearbox and generator integration scheme for wind driven generator

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WO2023092780A1 (en) 2023-06-01

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