CN206929027U - A kind of half-direct-drive wind driven generator group transmission system - Google Patents
A kind of half-direct-drive wind driven generator group transmission system Download PDFInfo
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- CN206929027U CN206929027U CN201720689445.4U CN201720689445U CN206929027U CN 206929027 U CN206929027 U CN 206929027U CN 201720689445 U CN201720689445 U CN 201720689445U CN 206929027 U CN206929027 U CN 206929027U
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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
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Abstract
The utility model discloses a kind of half-direct-drive wind driven generator group transmission system, including wind wheel system, axis system, gear-box, generator and shaft coupling, the axis system includes main shaft, counter flange and main shaft dual bearing structure, and wind wheel system is connected to the shaft end of main shaft；The gear-box and generator are integrated morphology, including gear-box, generator, gear-box flange and sun gear, axis system is connected by counter flange and gear-box flange with gear-box, and hollow drive shaft of the sun gear through generator is connected with the shaft coupling positioned at generator rear end；Outside wind load passes to generator by wind wheel system, axis system, gear-box, shaft coupling.The utility model can improve the rigidity of axis system and the reliability of gear-box；Compact-sized, in light weight and reliability is high；Design of Transmission System, which has shaft coupling effectively to solve the overload protection of gear-box and shaft current, to be influenceed, compensated dynamo and the gear-box error of centralization and the amount of floating of gear-box sun gear.
Description
Technical field
A kind of half-direct-drive wind driven generator group drive system structure is the utility model is related to, belongs to wind generating technology neck
Domain.
Background technology
Because half direct-drive unit has direct-drive unit and the advantage of double-fed unit concurrently, compared to double-fed wind power generator group, middling speed is forever
Magnetomechanical group compares double-fed blower fan, no high-speed gear box high speed level failure, less maintenance and good fault ride-through of power grid energy
Power, from the consideration of life cycle management, it has the degree electricity cost reduced.In wind power generating set into maximization evolution,
The development of half direct-drive unit technology is constantly favored.Although in certain power bracket the degree electricity of half direct-drive unit life cycle management into
Originally there is some superiority, but the production cost of unit critical component is higher, such as generate electricity stream, generator and shaft coupling, is ensureing
In the case of the performances such as unit performance, reliability, maintainability, unit production cost should be reduced as much as possible, to keep certain
Market competition advantage.Half direct-drive unit is mostly compact unit, is mainly reflected in set drive system architecture, different driving-chains
Structure has a great influence to unit reliability, maintainability, nacelle weight and length etc..Set drive chain is according to main shaft bearing, tooth
The different structure form or Integrated design structure of roller box and generator, there is multiple structural forms, and most typical structure has three kinds：The
One kind is split-type structural, and this structure is that main shaft bearing, gear-box, generator are overall each other, is traditional " bikini " structure
Or dual bearing structure (split type bearing block), this driving-chain is simple in construction, and design difficulty is relatively low, safeguards simply, but size
Chain is longer, and gear-box stand under load is complicated, the poor reliability of gear-box, nacelle weight and larger；Second is part integrated form
Mechanism, such as main shaft bearing and gear-box are integrated or gear-box and generator Integrated design, most typical is gear-box and generating
Machine Integrated design, for such a structure without shaft coupling, the direct output driving generator shaft of gear-box secondary solar gear is simple in construction, but
It is that gear-box No-mistake Principle is protected and easily influenceed by shaft current, certain influence is produced to unit performance；The third is complete or collected works
Into structure, i.e. main shaft bearing, gear-box and generator three is completely integrated, and this driving-chain is compact-sized, nacelle weight
It is smaller with size, but the design and manufacture Capability Requirement to parts is higher, it is maintainable poor.
The content of the invention
Technical problem to be solved in the utility model is the defects of presence for prior art, there is provided a kind of semi-direct driving wind
Power generator group drive system structure, can be effective in the case where ensureing the performances such as unit performance, reliability, maintainability
The reliability of gear-box is improved, reduces nacelle weight and length, reduces production cost.
To solve this technical problem, the utility model provides a kind of half-direct-drive wind driven generator group transmission system, bag
Wind wheel system, axis system, gear-box, generator and shaft coupling are included, the axis system includes main shaft, counter flange and main shaft
Dual bearing structure, wind wheel system are connected to the shaft end of main shaft；The gear-box and generator are integrated morphology, including gear-box,
Generator, gear-box flange and sun gear, axis system are connected by counter flange and gear-box flange with gear-box, sun gear
Hollow drive shaft through generator is connected with the shaft coupling positioned at generator rear end；Outside wind load passes through wind wheel system, main shaft
System, gear-box, shaft coupling pass to generator.
The main shaft dual bearing structure of the axis system includes bearing one, adjustment ring, bearing block and bearing two, the bearing
One and bearing two be arranged on main shaft on, centre fixed by adjusting central spacer, and by the bearing block of integral type.
The bearing one is biserial cylindrical bearing, and bearing two is biserial conical bearing.
The gear-box is half straight drive gear-box of one-level or two-stage planetary structure；The sun gear is the output of gear-box
Axle, one end are gear, engaged with the planetary gear of gear-box that the other end is optical axis, is connected with shaft coupling；The input of gear-box
The power transmitted passes to generator by sun gear, shaft coupling.
The generator is middling speed magneto, and its front end is connected with gear-box flange, and rear end passes through generator drive
Shaft flange is connected with shaft coupling, and mounting seat of brake is reserved on commutator end bearing support bracket.
The shaft coupling is that diaphragm type or bar linkage structure formula are coupled structure, including brake disc, expansion sleeve, coupling flange, in
Between pipe and limiter of moment；The expansion sleeve is connected with sun gear, and shaft coupling passes through coupling flange and generator drive method of principal axes
Orchid connection.
The wind wheel system is provided with pitch-controlled system, pitch variable bearings and blade.
Beneficial effect：The utility model designs for half-direct-drive wind driven generator group drive system structure, the transmission system
Structure is that bearing block and main shaft duplex bearing design, and can improve the rigidity of axis system and the reliability of gear-box；Gear-box and hair
Motor Integrated design, it is compact-sized, driving-chain total length is short, in light weight and reliability is high the features such as；Design of Transmission System has connection
Axle device, which can effectively solve the overload protection of gear-box and shaft current, to be influenceed, can with compensated dynamo and the gear-box error of centralization and
The amount of floating of gear-box sun gear.In addition, because shaft coupling is arranged on the rear end of generator, easy to maintenance and maintenance cost is relatively low.
Brief description of the drawings
Fig. 1 is structural representation front view of the present utility model；
Fig. 2 is structural representation sectional view of the present utility model.
In figure：1 wind wheel system, 2 mainframes, 3 axis systems, 4 gear-boxes, 5 generators, 6 shaft couplings, 7 main shafts, 8 bearings
First, 9 adjustment rings, 10 bearing blocks, 11 bearings two, 12 counter flanges, 13 gear-box flanges, 14 sun gears, 15 generator drive shafts
Flange.
Embodiment
Below in conjunction with the accompanying drawings and embodiment specifically describes to the utility model.
Fig. 1 show structural representation front view of the present utility model.
The utility model includes wind wheel system 1, axis system 3, gear-box 4, generator 5 and shaft coupling 6.
Fig. 2 show structural representation sectional view of the present utility model.
The axis system includes main shaft 7, counter flange 12 and main shaft dual bearing structure, and wind wheel system 1 is connected to main shaft 7
Shaft end.
The gear-box 4 and generator 5 are integrated morphology, including gear-box 4, generator 5, gear-box flange 13 and the sun
Wheel 14, axis system 3 is connected by counter flange 12 and gear-box flange 13 with gear-box 4, and gear-box 4 is by flange with generating electricity
Machine 5 is connected, and hollow drive shaft of the sun gear 14 through generator 5 is connected with the shaft coupling 6 positioned at the rear end of generator 5, generator 5
Driven by shaft coupling 6 from rear end；Outside wind load passes to hair by wind wheel system 1, axis system 3, gear-box 4, shaft coupling 6
Motor 5.
The main shaft dual bearing structure of the axis system 3 includes bearing 1, adjustment ring 9, bearing block 10 and bearing 2 11,
The bearing 1 and bearing 2 11 are arranged on main shaft 7, and centre is spaced by adjustment ring 9 to keep certain span, and is passed through
The bearing block 10 of integral type is fixed.
The bearing 1 is biserial cylindrical bearing, and bearing 2 11 is biserial conical bearing.
The gear-box 4 is half straight drive gear-box of one-level or two-stage planetary structure；The one-level of gear-box 4 or secondary solar gear
14 be the output shaft of gear-box 4.The one end of sun gear 14 is gear, engage with the planetary gear of gear-box, the other end be optical axis and
Shaft coupling 6 is connected by expansion sleeve；Gear-box 4 is connected by flange with generator 5.The power that the input of gear-box 4 transmits
The generator drive shaft flange 15 of generator 5 is passed to by sun gear 14, shaft coupling 6, generator drive shaft flange 15 is hair
The input shaft of motor 5.
The generator 5 is middling speed magneto, and its front end is connected with gear-box flange 13, and rear end is driven by generator
Moving axis flange 15 is connected with shaft coupling 6, and mounting seat of brake is reserved on the rear end cap of generator 5, and generator 5 drives from rear end.
The shaft coupling 6 is that diaphragm type or bar linkage structure formula are coupled structure, including brake disc, expansion sleeve, coupling flange, in
Between pipe and limiter of moment；The expansion sleeve is connected for shaft coupling 6 with sun gear 14；Coupling flange be used for shaft coupling 6 with
Generator drive shaft flange 15 connects；Intervalve has insulation function；Limiter of moment shields.Shaft coupling 6 has exhausted
Edge, force moment protection and error compensation function, avoid the overload of gear-box and influenceed by shaft current, compensated dynamo 5 and gear-box 4
The error of centralization.
The wind wheel system 1 is provided with pitch-controlled system, pitch variable bearings and blade.
Operation principle of the present utility model：
The utility model is a kind of direct-drive unit of part integrated form half transmission chain structure, and bearing block 10 and main shaft duplex bearing are set
The axis system 3 of meter, can improve the rigidity of axis system 3 and the reliability of gear-box；Gear-box 4 and the Integrated design of generator 5
Structure and shaft coupling 6, can effectively solve the overload protection of gear-box 4 and shaft current influences, can with compensated dynamo 5 with
The amount of floating of the error of centralization of gear-box 4 and gear-box sun gear 14.Outside wind load passes through wind wheel system 1, axis system 3, gear
Case 4, shaft coupling 6 pass to generator 5.Axis system 3 is connected by counter flange 12 with gear-box flange 13.The gear-box sun
Wheel 14 is the output shaft of gear-box 4, and the power that the input of gear-box 4 transmits is passed to by gear-box sun gear 14, shaft coupling 6
The generator drive shaft flange 15 of generator 5.
The utility model designs for half-direct-drive wind driven generator group drive system structure, and the drive system structure is bearing
Seat and the design of main shaft duplex bearing, can improve the rigidity of axis system and the reliability of gear-box；Gear-box and generator, which integrate, to be set
Meter, it is compact-sized, driving-chain total length is short, in light weight and reliability is high the features such as；Design of Transmission System has shaft coupling to have
Effect, which solves the overload protection of gear-box and shaft current, to be influenceed, can be with compensated dynamo and the gear-box error of centralization and the gear-box sun
The amount of floating of wheel.In addition, because shaft coupling is arranged on the rear end of generator, easy to maintenance and maintenance cost is relatively low.
The utility model the embodiment above, is merely illustrative, be not it is only, it is all in the scope of the utility model
Or the change in equivalent the scope of the utility model is surrounded by the utility model.
Claims (7)
- A kind of 1. half-direct-drive wind driven generator group transmission system, it is characterised in that：Including wind wheel system (1), axis system (3), Gear-box (4), generator (5) and shaft coupling (6), the axis system (3) include main shaft (7), counter flange (12) and main shaft Dual bearing structure, wind wheel system (1) are connected to the shaft end of main shaft (7)；The gear-box (4) and generator (5) are integrated morphology, Including gear-box (4), generator (5), gear-box flange (13) and sun gear (14), axis system (3) passes through counter flange (12) it is connected with gear-box flange (13) with gear-box (4), sun gear (14) passes through the hollow drive shaft of generator (5) with being located at Shaft coupling (6) connection of generator (5) rear end；Outside wind load passes through wind wheel system (1), axis system (3), gear-box (4), connection Axle device (6) passes to generator (5).
- 2. half-direct-drive wind driven generator group transmission system according to claim 1, it is characterised in that：The axis system (3) main shaft dual bearing structure includes bearing one (8), adjustment ring (9), bearing block (10) and bearing two (11), the bearing one (8) it is arranged on bearing two (11) on main shaft (7), it is middle to be spaced by adjustment ring (9), and the bearing block (10) for passing through integral type It is fixed.
- 3. half-direct-drive wind driven generator group transmission system according to claim 2, it is characterised in that：The bearing one (8) For biserial cylindrical bearing, bearing two (11) is biserial conical bearing.
- 4. half-direct-drive wind driven generator group transmission system according to claim 1, it is characterised in that：The gear-box (4) For one-level or half straight drive gear-box of two-stage planetary structure；The sun gear (14) is the output shaft of gear-box (4), and one end is tooth Take turns, engaged with the planetary gear of gear-box (4), the other end is optical axis, is connected with shaft coupling (6)；The input of gear-box (4) passes The power come passes to generator (5) by sun gear (14), shaft coupling (6).
- 5. half-direct-drive wind driven generator group transmission system according to claim 1, it is characterised in that：The generator (5) For middling speed magneto, its front end is connected with gear-box flange (13), and rear end passes through generator drive shaft flange (15) and connection Axle device (6) is connected, and mounting seat of brake is reserved on generator (5) rear end cap.
- 6. half-direct-drive wind driven generator group transmission system according to claim 1, it is characterised in that：The shaft coupling (6) It is coupled structure, including brake disc, expansion sleeve, coupling flange, intervalve and limiter of moment for diaphragm type or bar linkage structure formula；Institute State expansion sleeve to be connected with sun gear (14), shaft coupling (6) is connected by coupling flange with generator drive shaft flange (15).
- 7. the half-direct-drive wind driven generator group transmission system according to claim any one of 1-6, it is characterised in that：The wind Wheel system (1) is provided with pitch-controlled system, pitch variable bearings and blade.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720689445.4U CN206929027U (en) | 2017-06-14 | 2017-06-14 | A kind of half-direct-drive wind driven generator group transmission system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720689445.4U CN206929027U (en) | 2017-06-14 | 2017-06-14 | A kind of half-direct-drive wind driven generator group transmission system |
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| Publication Number | Publication Date |
|---|---|
| CN206929027U true CN206929027U (en) | 2018-01-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720689445.4U Active CN206929027U (en) | 2017-06-14 | 2017-06-14 | A kind of half-direct-drive wind driven generator group transmission system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
-
2017
- 2017-06-14 CN CN201720689445.4U patent/CN206929027U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| WO2018227855A1 (en) * | 2017-06-14 | 2018-12-20 | 山东中车风电有限公司 | Transmission system for semi-direct wind power generating set |
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