CN209325000U - The semi-directly driven wind-powered gear-box capacity of gear both sides biasing shunts planetary transmission structure - Google Patents
The semi-directly driven wind-powered gear-box capacity of gear both sides biasing shunts planetary transmission structure Download PDFInfo
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- CN209325000U CN209325000U CN201821928643.2U CN201821928643U CN209325000U CN 209325000 U CN209325000 U CN 209325000U CN 201821928643 U CN201821928643 U CN 201821928643U CN 209325000 U CN209325000 U CN 209325000U
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Abstract
The utility model discloses a kind of semi-directly driven wind-powered gear-box capacities of gear both sides biasing to shunt planetary transmission structure, including hub side primary planet train, generator side secondary planet train, base bearing, base bearing is between hub side planetary gear and generator side planetary gear, base bearing inner ring is fixed, and outer ring, which rotates and is connected with hub side primary planet carrier and wheel hub, to be integrated；Gear-box uses two-stage planetary differential power dividing structure type, input power is input in respective planet gear transmission from the ring gear of hub side primary planet train and generator side secondary planet frame respectively, the two input power ratio is different, the ring gear and generator side planetary gear of generator side secondary planet train are by power combing, by generator side secondary solar gear by power transfer to generator.The utility model changes the position of former transmission gear structure, and using power dividing form, to make full use of radial position space, bearing capacity can be improved under identical platform.
Description
Technical field
The utility model relates to the technical field of wind turbine gearbox transmission, refer in particular to a kind of biasing of gear both sides half is straight
Wind dispelling electrical 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, and the inner ring of flange base bearing is with wheel hub
Rotation, outer ring are fixed, and outer ring is connect by generator casing and elbow with tower.When flange base bearing immobilizes, same
In platform product upgrading, due to the limitation of flange base bearing internal diameter, the raising of bearing capacity is constrained.01 is flange in figure
Base bearing, 02 be primary planet transmission, 03 be secondary planet transmission, 04 be wheel hub, 05 be generator casing, 06 be spline, 07
To export sun gear.
Utility model content
The purpose of the utility model is to overcome the deficiencies in the prior art and disadvantage, a kind of gear both sides biasing is proposed
Semi-directly driven wind-powered gear-box capacity shunts planetary transmission structure, changes the position of former transmission gear structure, using power dividing shape
Formula makes full use of radial position space, and bearing capacity can be improved under identical platform.
To achieve the above object, technical solution provided by the utility model are as follows: gear both sides bias semi-directly driven wind-powered
Gear-box capacity shunts planetary transmission structure, including being set to the hub side primary planet train of gear-box hub side, being set to gear
The generator side secondary planet train of case generator side and the base bearing for using single biserial flange form main shaft bearing structure, the master
Bearing is placed in gear-box, and is located at the hub side planetary gear and generator side secondary planet train of hub side primary planet train
Generator side planetary gear between, for bearing the power and bending load that wind wheel passes over, reduce alternating load to gear-box
Impact, wherein the inner ring of the base bearing is fixed together with generator casing, outer ring rotation and with hub side level-one row
The hub side primary planet carrier and wheel hub of star wheel series, which are connected with, to be integrated；Gear-box uses the power dividing of two-stage planetary differential
Structure type, input power is respectively from the power generation of the ring gear of hub side primary planet train and generator side secondary planet train
Pusher side secondary planet frame is input in respective planet gear transmission, and the two input power ratio is different, the hub side level-one
Planet carrier and generator side secondary planet frame are by spline axis connection, and the hub side level-one of the hub side primary planet train is too
Sun wheel is connect with the ring gear of generator side secondary planet train, and the ring gear torque of the hub side primary planet train is passed through
Hub side planetary gear, hub side level-one sun gear are transmitted to the ring gear of generator side secondary planet train again, with generator side
Power transfer is given power combing eventually by the generator side secondary solar gear of generator side secondary planet train by planetary gear
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, using single biserial flange form main shaft bearing structure, the rotation of main shaft bearing outer-ring, inner ring are fixed, and blower fan structure more steps up
It gathers.
2, using two-stage planetary differential power dividing structure type, gear is offset to base bearing two sides, two-stage Gear Planet Transmission
The enlarged diameter of gear, while power dividing is used, improve bearing capacity.
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, gear-box radial position space is made full use of, power and bearing capacity can be effectively improved under identical 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 both sides provided by the present embodiment shunts row
Star drive mechanism, including being set to the hub side primary planet train of gear-box hub side, set on the power generation of gear-box generator side
Pusher side secondary planet train and the base bearing 1 for using single biserial flange form main shaft bearing structure, the base bearing 1 are placed in gear-box
In, and it is located at the hub side planetary gear 2 of hub side primary planet train and the generator skidding of generator side secondary planet train
Between star-wheel 3, for bearing the load such as power and moment of flexure that wind wheel passes over, impact of the alternating load to gear-box is reduced,
In, inner ring and the generator casing 4 of the base bearing 1 are fixed together, outer ring rotation and with hub side primary planet train
Hub side primary planet carrier 5 and wheel hub 6 be connected with and be integrated, space is utilized significantly in this way, improves bearing capacity；
Gear-box uses two-stage planetary differential power dividing structure type, and input power is respectively from the internal tooth of hub side primary planet train
Circle 7 and the generator side secondary planet frame 8 of generator side secondary planet train are input in respective planet gear transmission, and the two
Input power ratio is different, and the hub side primary planet carrier 5 is connect with generator side secondary planet frame 8 by splined shaft 9, institute
The hub side level-one sun gear 10 for stating hub side primary planet train is connect with the ring gear 11 of generator side secondary planet train,
7 torque of ring gear of the hub side primary planet train is transmitted again by hub side planetary gear 2, hub side level-one sun gear 10
To the ring gear 11 of generator side secondary planet train, with generator side planetary gear 3 by power combing, eventually by generator side
For the generator side secondary solar gear 12 of secondary planet train by power transfer to generator, this structure obtains the power of wheel hub 6
To shunt, same power transfer can be such that gear-box radial dimension reduces, and the power density of gear-box increases, and security reliability mentions
It is high.
In addition, the hub side planetary gear 2 and generator side planetary gear 3 are all made of flexible latch structure to carry, it is described soft
Property latch structure be made of flexible pin shaft 13 and guide 14, the flexible pin shaft 13 is interference fitted with respective planet carrier, institute
It states guide 14 and flexible pin shaft 13 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 within the protection scope of the present utility model.
Claims (2)
1. the semi-directly driven wind-powered gear-box capacity of gear both sides biasing shunts planetary transmission structure, it is characterised in that: including being set to
The hub side primary planet train of gear-box hub side, set on gear-box generator side generator side secondary planet train and adopt
With the base bearing of single biserial flange form main shaft bearing structure, the base bearing is placed in gear-box, and is located at hub side level-one row
Between the hub side planetary gear of star wheel series and the generator side planetary gear of generator side secondary planet train, passed for bearing wind wheel
The power and bending load passed reduce impact of the alternating load to gear-box, wherein the inner ring and generator of the base bearing
Shell is fixed together, outer ring rotation and hub side primary planet carrier and wheel hub bolt with hub side primary planet train
It is connected as one；Gear-box uses two-stage planetary differential power dividing structure type, and input power is respectively from hub side level-one row
The ring gear of star wheel series and the generator side secondary planet frame of generator side secondary planet train are input to respective planetary gear and pass
In dynamic, and the two input power ratio is different, and the hub side primary planet carrier and generator side secondary planet frame pass through spline
Axis connection, the hub side level-one sun gear of the hub side primary planet train and the ring gear of generator side secondary planet train
The ring gear torque of connection, the hub side primary planet train passes again by hub side planetary gear, hub side level-one sun gear
It is delivered to the ring gear of generator side secondary planet train, with generator side planetary gear by power combing, eventually by generator side
The generator side secondary solar gear of secondary planet train is by power transfer to generator.
2. the semi-directly driven wind-powered gear-box capacity of gear both sides biasing according to claim 1 shunts planetary transmission structure,
It is characterized by: the hub side planetary gear and generator side planetary gear are all made of flexible latch structure to carry, the compliant pin
Structure is made of flexible pin shaft and guide, and the flexible pin shaft and respective planet carrier are interference fitted, the guide with it is soft
Property pin shaft interference fit, and respective planetary bearing and planetary gear are supported, when two tangential forces of ring gear and sun gear
When being applied on planetary gear, angle winding degree caused by the flexible pin shaft on planet carrier is bent can be by opposite direction from flexibility
Angle winding degree caused by the guide of the pin shaft other end is bent is offset, and makes each planetary gear parallel flotation, and then make load every
Mean allocation between a planetary gear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821928643.2U CN209325000U (en) | 2018-11-22 | 2018-11-22 | The semi-directly driven wind-powered gear-box capacity of gear both sides biasing shunts planetary transmission structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821928643.2U CN209325000U (en) | 2018-11-22 | 2018-11-22 | The semi-directly driven wind-powered gear-box capacity of gear both sides biasing shunts planetary transmission structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209325000U true CN209325000U (en) | 2019-08-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821928643.2U Active CN209325000U (en) | 2018-11-22 | 2018-11-22 | The semi-directly driven wind-powered gear-box capacity of gear both sides biasing shunts planetary transmission structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113357320A (en) * | 2021-05-28 | 2021-09-07 | 徐州徐工矿业机械有限公司 | Hub reduction gear with two-stage planet carrier double-coupling structure |
-
2018
- 2018-11-22 CN CN201821928643.2U patent/CN209325000U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113357320A (en) * | 2021-05-28 | 2021-09-07 | 徐州徐工矿业机械有限公司 | Hub reduction gear with two-stage planet carrier double-coupling structure |
| CN113357320B (en) * | 2021-05-28 | 2022-05-20 | 徐州徐工矿业机械有限公司 | Hub reduction gear with two-stage planet carrier double-coupling structure |
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