CN209324970U - A kind of semi-directly driven wind-powered gear-box capacity shunting drive mechanism of ultra-compact - Google Patents
A kind of semi-directly driven wind-powered gear-box capacity shunting drive mechanism of ultra-compact Download PDFInfo
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- CN209324970U CN209324970U CN201821938887.9U CN201821938887U CN209324970U CN 209324970 U CN209324970 U CN 209324970U CN 201821938887 U CN201821938887 U CN 201821938887U CN 209324970 U CN209324970 U CN 209324970U
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- gear
- generator
- hub side
- box
- hub
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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 semi-directly driven wind-powered gear-box capacities of ultra-compact to shunt drive mechanism, including hub side primary planet train, generator side primary planet train and the base bearing for using single biserial flange form main shaft bearing structure, base bearing is built in gear-box, main shaft bearing outer-ring is fixed together with generator side planet carrier and generator casing, inner ring becomes one with hub side ring gear, and it is bolted together with generator side ring gear, generator side sun gear is connect with hub side planet carrier, hub side sun gear is connect with generator, input power is incoming from hub side ring gear and generator side ring gear respectively, finally by hub side sun gear by power transfer to generator.The utility model drives legacy system for high-power compacting half is straight, and intermediate gear case is integrated with main shaft bearing, shunts differential+flexible latch structure using two stage power, under identical weight and size limitation, power density can be improved 30% or more.
Description
Technical field
The utility model relates to the technical fields of wind turbine gearbox transmission, and it is semi-directly driven wind-powered to refer in particular to a kind of ultra-compact
Gear-box capacity shunts drive mechanism.
Background technique
It is known in the industry, in the transmission system of traditional wind power generating set, mainly use long main shaft and high-speed gear box.This
Kind structure is used below more in 2MW platform, but entire legacy system axial dimension is very long, gear-box radial dimension and axial direction
Size is also larger.
Utility model content
The purpose of the utility model is to overcome the deficiencies in the prior art and disadvantage, propose a kind of straight drive of ultra-compact half
Wind turbine gearbox power dividing drive mechanism drives legacy system for high-power compacting half is straight, by intermediate gear case and main shaft
Bearing integrates, and gear-box shunts differential+flexible latch structure using two stage power, under identical weight and size limitation,
Power density can be improved 30% or more, realize that power density maximizes.
To achieve the above object, a kind of technical solution provided by the utility model are as follows: semi-directly driven wind-powered tooth of ultra-compact
Roller box power dividing drive mechanism generates electricity including being set to the hub side primary planet train of gear-box hub side, being set to gear-box
The generator side primary planet train of pusher side and base bearing using single biserial flange form main shaft bearing structure, in the base bearing
It is placed in gear-box, for bearing the power and bending load that wind wheel passes over, reduces impact of the alternating load to gear-box,
In, the outer ring of the base bearing and the generator side planet carrier of generator side primary planet train and generator casing are fixed on one
Rise, inner ring and the hub side ring gear of hub side primary planet train become one, and with generator side primary planet wheel
The generator side ring gear of system is bolted together, the generator side sun gear of the generator side primary planet train with
The hub side planet carrier of hub side primary planet train connects, the hub side sun gear and hair of the hub side primary planet train
Motor connection, gear-box use planetary differential power dividing form, and input power is respectively from hub side ring gear and generator side
Ring gear is incoming, planetary gear of the power of the generator side ring gear Jing Guo generator side primary planet train, generator side
Sun gear is transmitted to hub side planet carrier, closes using the planetary gear and hub side ring gear power of hub side primary planet train
At, finally by hub side sun gear by power transfer to generator.
Further, each planetary gear is carried using flexible latch structure, the flexibility latch structure by flexible pin shaft and
Guide composition, the flexible pin shaft and planet carrier are interference fitted, and the guide and flexible pin shaft are interference fitted, and support planet axis
It holds and planetary gear, the compliant pin when two tangential forces of ring gear and sun gear are applied on planetary gear, on planet carrier
Angle winding degree caused by bending shaft can be bent caused angle winding degree institute from the guide of the flexible pin shaft other end by opposite direction
It offsets, makes each planetary gear parallel flotation, and then make load mean allocation between each planetary gear.
The utility model compared with prior art, have the following advantages that with the utility model has the advantages that
1, the utility model does not use long main shaft, and uses single biserial flange form main shaft bearing structure (including ring gear
It is integrated), structure is more compact.
2, differential using two stage power shunting, it is suitable for high-power wind turbine unit, structure is more compact.
3, planetary gear floating load balancing is made using flexible latch structure, makes the loaded more uniform of multirow star wheel series, transmission is more
Steadily, the service life is effectively improved.
4, entire drive train power density is very high, under identical weight and size limitation, power can be improved
30% or more.
Detailed description of the invention
Fig. 1 is that the semi-directly driven wind-powered gear-box capacity of ultra-compact shunts drive mechanism schematic diagram.
Specific embodiment
The utility model is described in further detail combined with specific embodiments below.
Shown in Figure 1, the semi-directly driven wind-powered gear-box capacity of ultra-compact provided by the present embodiment shunts drive mechanism,
Including being set to the hub side primary planet train of gear-box hub side, set on the generator side primary planet of gear-box generator side
Train and the base bearing 1 for using single biserial flange form main shaft bearing structure, the base bearing 1 is built in gear-box, for holding
The power and bending load passed over by wind wheel reduces impact of the alternating load to gear-box, meanwhile, outside the base bearing 1
It encloses and is fixed together with the generator side planet carrier 2 and generator casing 3 of generator side primary planet train, inner ring and wheel hub
The hub side ring gear 4 of side primary planet train becomes one, and in the generator side of generator side primary planet train
Gear ring 5 is bolted together, and space can be greatly saved in this way, so that transmission ratio is bigger and higher gear-box capacity is close
Degree;The generator side sun gear 6 of the generator side primary planet train and the hub side planet of hub side primary planet train
Frame 7 connects, and the hub side sun gear 8 of the hub side primary planet train is connect with generator, and gear-box uses planetary differential
Power dividing form, input power is incoming from hub side ring gear 4 and generator side ring gear 5 respectively, in the generator side
Planetary gear 9, generator side sun gear 6 of the power of gear ring 5 Jing Guo generator side primary planet train are transmitted to hub side planet
Frame 7, using the planetary gear 10 and 4 power combing of hub side ring gear of hub side primary planet train, finally too by hub side
For sun wheel 8 by power transfer to generator, this structure enables the power of wheel hub to shunt, and then subtracts gear-box radial dimension
Small, the power density of gear-box increases, and security reliability improves.
In addition, planetary gear 9,10 is carried using flexible latch structure, the flexibility latch structure is by 11 He of flexible pin shaft
Guide 12 forms, and the flexible pin shaft 11 is interference fitted with planet carrier, and the guide 12 is interference fitted with flexible pin shaft 11, and is propped up
Support planetary bearing and planetary gear.When two tangential forces of ring gear and sun gear are applied on planetary gear, on planet carrier
Flexible pin shaft be bent caused by angle winding degree can by opposite direction from the guide of the flexible pin shaft other end be bent caused by angle
Degree winding degree is offset, and makes each planetary gear parallel flotation, and then make load mean allocation between each planetary gear.
The examples of implementation of the above are only the preferred embodiment of the utility model, not limit the utility model with this
Practical range, therefore all shapes according to the utility model, change made by principle, it should all cover in the protection scope of the utility model
It is interior.
Claims (2)
1. a kind of semi-directly driven wind-powered gear-box capacity of ultra-compact shunts drive mechanism, it is characterised in that: including being set to gear-box
The hub side primary planet train of hub side, the generator side primary planet train set on gear-box generator side and use are single
The base bearing of biserial flange form main shaft bearing structure, the base bearing are built in gear-box, are passed over for bearing wind wheel
Power and bending load reduce impact of the alternating load to gear-box, wherein the outer ring of the base bearing and generator side level-one row
The generator side planet carrier and generator casing of star wheel series are fixed together, the wheel hub of inner ring and hub side primary planet train
Side ring gear becomes one, and is bolted together with the generator side ring gear of generator side primary planet train,
The generator side sun gear of the generator side primary planet train and the hub side planet carrier of hub side primary planet train connect
It connects, the hub side sun gear of the hub side primary planet train is connect with generator, and gear-box is using planetary differential power point
Manifold formula, input power is incoming from hub side ring gear and generator side ring gear respectively, the function of the generator side ring gear
Planetary gear, generator side sun gear of the rate Jing Guo generator side primary planet train are transmitted to hub side planet carrier, using wheel
The planetary gear and hub side ring gear power combing of hub side primary planet train, are finally given power transfer by hub side sun gear
Generator.
2. the semi-directly driven wind-powered gear-box capacity of a kind of ultra-compact according to claim 1 shunts drive mechanism, feature
Be: each planetary gear is carried using flexible latch structure, and the flexibility latch structure is made of flexible pin shaft and guide, institute
It states flexible pin shaft and planet carrier is interference fitted, the guide and flexible pin shaft are interference fitted, and support planetary bearing and planetary gear,
When two tangential forces of ring gear and sun gear are applied on planetary gear, caused by the flexible pin shaft bending on planet carrier
Angle winding degree can be bent caused angle winding degree from the guide of the flexible pin shaft other end by opposite direction and offset, and make each row
Star-wheel parallel flotation, and then make load mean allocation between each planetary gear.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201821938887.9U CN209324970U (en) | 2018-11-22 | 2018-11-22 | A kind of semi-directly driven wind-powered gear-box capacity shunting drive mechanism of ultra-compact |
Applications Claiming Priority (1)
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CN201821938887.9U CN209324970U (en) | 2018-11-22 | 2018-11-22 | A kind of semi-directly driven wind-powered gear-box capacity shunting drive mechanism of ultra-compact |
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Publication Number | Publication Date |
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CN209324970U true CN209324970U (en) | 2019-08-30 |
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CN201821938887.9U Active CN209324970U (en) | 2018-11-22 | 2018-11-22 | A kind of semi-directly driven wind-powered gear-box capacity shunting drive mechanism of ultra-compact |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110905974A (en) * | 2019-11-25 | 2020-03-24 | 明阳智慧能源集团股份公司 | Compact semi-direct-drive wind-driven electric gear box power split transmission structure |
-
2018
- 2018-11-22 CN CN201821938887.9U patent/CN209324970U/en active Active
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110905974A (en) * | 2019-11-25 | 2020-03-24 | 明阳智慧能源集团股份公司 | Compact semi-direct-drive wind-driven electric gear box power split transmission structure |
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