CN209325013U - The semi-directly driven wind-powered gear-box capacity of gear-box biasing shunts planetary transmission structure - Google Patents
The semi-directly driven wind-powered gear-box capacity of gear-box biasing shunts planetary transmission structure Download PDFInfo
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- CN209325013U CN209325013U CN201821928506.9U CN201821928506U CN209325013U CN 209325013 U CN209325013 U CN 209325013U CN 201821928506 U CN201821928506 U CN 201821928506U CN 209325013 U CN209325013 U CN 209325013U
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Abstract
The utility model discloses a kind of semi-directly driven wind-powered gear-box capacities of gear-box biasing to shunt planetary transmission structure, including hub side planetary gear train, generator side planetary gear train and base bearing, base bearing is between wheel hub and hub side planetary gear, the ring gear of gear for two stage planetary gear train is integral admittedly, base bearing inner ring is combined into one with wheel hub and ring gear, and outer ring is combined into one with generator side planet carrier；Input power is input in respective planet gear transmission from the ring gear of gear for two stage planetary gear train respectively, the ring gear power of generator side planetary gear train is transmitted to hub side planet carrier by generator side planetary gear, generator side sun gear, using the ring gear power combing of hub side planetary gear and hub side planetary gear train, by hub side sun gear by power transfer to generator.Bearing capacity and overall ratio can be improved using planetary gear power dividing structure in neutral gear between the utility model makes full use of generator casing and secondary planet to be driven under identical platform.
Description
Technical field
The utility model relates to the technical fields of wind turbine gearbox transmission, refer in particular to a kind of half straight drive of gear-box biasing
Wind turbine gearbox power dividing planetary transmission structure.
Background technique
As shown in Figure 1, being traditional half straight drive system of wind power generating set compact, two-stage planetary driving device is shared,
Total ratio about 25 or so, wherein primary planet transmission are located in the inner ring of flange base bearing.When flange base bearing immobilizes,
In the identical platform updating and upgrading of a product, due to the limitation of flange base bearing internal diameter, the raising of bearing capacity is constrained, overall ratio adds
It is big also limited.01 it is flange base bearing in figure, 02 be primary planet transmission, 03 be secondary planet transmission, 04 be wheel hub, 05 is hair
Motor housing, 06 be spline, 07 be output sun gear.
Utility model content
The purpose of the utility model is to overcome the deficiencies in the prior art and disadvantage, the half of a kind of gear-box biasing is proposed
Directly driven wind-powered gear-box capacity shunts planetary transmission structure, changes the position of drive mechanism, makes full use of generator casing and two
Neutral gear between grade Gear Planet Transmission, while planetary gear power dividing structure is used, bearing capacity can be improved under identical platform
And overall ratio is kept not reduce or increase.
To achieve the above object, technical solution provided by the utility model are as follows: the semi-directly driven wind-powered tooth of gear-box biasing
Roller box power dividing planetary transmission structure generates electricity including being set to the hub side planetary gear train of gear-box hub side, being set to gear-box
The generator side planetary gear train of pusher side and the base bearing for using single biserial flange form main shaft bearing structure, the base bearing are located at wheel
Between hub and the hub side planetary gear of hub side planetary gear train, for bearing the power and bending load that wind wheel passes over, reduce
Impact of the alternating load to gear-box, wherein the ring gear of the hub side planetary gear train and generator side planetary gear train is admittedly
One is whole, and revolving speed is identical, and the inner ring and wheel hub of the base bearing and the ring gear bolt combination of hub side planetary gear train are one
Body, outer ring and the generator side planet carrier of generator side planetary gear train are integrated with bolt combination, the generator side planet
Frame is fixed together with generator casing；Gear-box uses two-stage planetary differential power dividing structure type, input power difference
It is input in respective planet gear transmission from the ring gear of hub side planetary gear train and generator side planetary gear train, and the two inputs
Power ratio is different, the generator side sun gear of the generator side planetary gear train and the hub side planet of hub side planetary gear train
Frame connection, the ring gear power of the generator side planetary gear train by generator side planetary gear train generator side planetary gear,
Generator side sun gear is transmitted to hub side planet carrier, using the ring gear function of hub side planetary gear and hub side planetary gear train
Rate synthesis, eventually by the hub side sun gear of hub side planetary gear train by power transfer to generator.
Further, the hub side planetary gear and generator side planetary gear are all made of flexible latch structure to carry, described soft
Property latch structure be made of flexible pin shaft and guide, the flexible pin shaft and respective planet carrier are interference fitted, the guide
It is interference fitted with flexible pin shaft, and supports respective planetary bearing and planetary gear, two when ring gear and sun gear cut
When being applied on planetary gear to power, angle winding degree caused by the flexible pin shaft on planet carrier is bent can be come from by opposite direction
Angle winding degree caused by the guide of the flexible pin shaft other end is bent is offset, and makes each planetary gear parallel flotation, and then make load
The 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, compact-sized using single biserial flange form main shaft bearing structure.
2, using two-stage planetary differential power dividing structure type, gear drive is offset to outside base bearing, two-stage planet tooth
Take turns transmission gear enlarged diameter.
3, two-stage planet is all made of flexible latch structure, makes planetary gear floating load balancing, make multirow star wheel series it is loaded more
Add uniformly, transmission is more steady, effectively improves the service life.
4, the neutral gear between making full use of generator casing and secondary planet to be driven, using planetary gear power dividing, same
Bearing capacity and overall ratio can be improved under one platform.
Detailed description of the invention
Fig. 1 is traditional semi-directly driven wind-powered gearbox drive structural schematic diagram.
Fig. 2 is that the semi-directly driven wind-powered gear-box capacity of the utility model shunts planetary transmission structure schematic diagram.
Specific embodiment
The utility model is described in further detail combined with specific embodiments below.
Shown in Figure 2, the semi-directly driven wind-powered gear-box capacity of the biasing of gear-box provided by the present embodiment shunts planet
Drive mechanism, including being set to the hub side planetary gear train of gear-box hub side, set on the generator skidding of gear-box generator side
Star wheel series and the base bearing 1 for using single biserial flange form main shaft bearing structure, the base bearing 1 are located at wheel hub 2 and wheel hub skidding
Between the hub side planetary gear 3 of star wheel series, for bearing the load such as power and moment of flexure that wind wheel passes over, alternating load pair is reduced
The impact of gear-box, wherein the ring gear 4 of the hub side planetary gear train and the ring gear 5 of generator side planetary gear train are admittedly
One is whole, and revolving speed is identical, and the ring gear 4 of the inner ring and wheel hub 2 and hub side planetary gear train of the base bearing is with bolt combination
One, outer ring and the generator side planet carrier 6 of generator side planetary gear train are integrated with bolt combination, the generator skidding
Carrier 6 is fixed together with generator casing 7, and space can be utilized significantly in this way, improve bearing capacity；Gear-box uses two
Grade planetary differential power dividing structure type, input power is respectively out of hub side planetary gear train and generator side planetary gear train
Gear ring 4,5 is input in respective planet gear transmission, and the two input power ratio is different, the generator side planetary gear train
Generator side sun gear 8 is connect with the hub side planet carrier 9 of hub side planetary gear train, the internal tooth of the generator side planetary gear train
It encloses 5 power and is transmitted to hub side planet by generator side planetary gear 10, the generator side sun gear 8 of generator side planetary gear train
Frame 9, using 4 power combing of ring gear of hub side planetary gear 3 and hub side planetary gear train, eventually by hub side planetary gear
The hub side sun gear 11 of system is by power transfer to generator.
In addition, the hub side planetary gear 3 and generator side planetary gear 10 are all made of flexible latch structure to carry, it is described soft
Property latch structure be made of flexible pin shaft 12 and guide 13, the flexible pin shaft 12 is interference fitted with respective planet carrier, institute
It states guide 13 and flexible pin shaft 12 is interference fitted, and support respective planetary bearing and planetary gear, when ring gear and the sun
Two tangential forces of wheel are when being applied on planetary gear, and angle winding degree caused by the flexible pin shaft on planet carrier is bent can be by
Opposite direction is bent caused angle winding degree from the guide of the flexible pin shaft other end and 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. the semi-directly driven wind-powered gear-box capacity of gear-box biasing shunts planetary transmission structure, it is characterised in that: including being set to tooth
The hub side planetary gear train of roller box hub side, the generator side planetary gear train set on gear-box generator side and the single biserial of use
The base bearing of flange form main shaft bearing structure, the base bearing be located at wheel hub and hub side planetary gear train hub side planetary gear it
Between, for bearing the power and bending load that wind wheel passes over, reduce impact of the alternating load to gear-box, wherein the wheel
The ring gear of hub skidding star wheel series and generator side planetary gear train is integral admittedly, and revolving speed is identical, the inner ring of the base bearing with
The ring gear of wheel hub and hub side planetary gear train is integrated with bolt combination, the generator of outer ring and generator side planetary gear train
Skidding carrier is integrated with bolt combination, and the generator side planet carrier is fixed together with generator casing；Gear-box uses
Two-stage planetary differential power dividing structure type, input power is respectively from hub side planetary gear train and generator side planetary gear train
Ring gear is input in respective planet gear transmission, and the two input power ratio is different, the generator side planetary gear train
Generator side sun gear is connect with the hub side planet carrier of hub side planetary gear train, the ring gear of the generator side planetary gear train
Power is transmitted to hub side planet carrier by generator side planetary gear, the generator side sun gear of generator side planetary gear train, then
By the ring gear power combing of hub side planetary gear and hub side planetary gear train, eventually by the wheel hub of hub side planetary gear train
Side sun gear is by power transfer to generator.
2. the semi-directly driven wind-powered gear-box capacity of gear-box biasing according to claim 1 shunts planetary transmission structure,
Be characterized in that: the hub side planetary gear and generator side planetary gear are all made of flexible latch structure to carry, the compliant pin knot
Structure is made of flexible pin shaft and guide, and the flexible pin shaft and respective planet carrier are interference fitted, the guide and flexibility
Pin shaft interference fit, and respective planetary bearing and planetary gear are supported, when two tangential forces of ring gear and sun gear are applied
When being added on planetary gear, angle winding degree caused by the flexible pin shaft on planet carrier is bent can come from compliant pin by opposite direction
Angle winding degree caused by the guide of the axis other end is bent is offset, and makes each planetary gear parallel flotation, and then make load each
Mean allocation between planetary gear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821928506.9U CN209325013U (en) | 2018-11-22 | 2018-11-22 | The semi-directly driven wind-powered gear-box capacity of gear-box biasing shunts planetary transmission structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821928506.9U CN209325013U (en) | 2018-11-22 | 2018-11-22 | The semi-directly driven wind-powered gear-box capacity of gear-box biasing shunts planetary transmission structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209325013U true CN209325013U (en) | 2019-08-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821928506.9U Active CN209325013U (en) | 2018-11-22 | 2018-11-22 | The semi-directly driven wind-powered gear-box capacity of gear-box biasing shunts planetary transmission structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209325013U (en) |
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2018
- 2018-11-22 CN CN201821928506.9U patent/CN209325013U/en active Active
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