CN209654535U - A kind of large pressure angle planetary stage wind turbine gearbox - Google Patents
A kind of large pressure angle planetary stage wind turbine gearbox Download PDFInfo
- Publication number
- CN209654535U CN209654535U CN201920169367.4U CN201920169367U CN209654535U CN 209654535 U CN209654535 U CN 209654535U CN 201920169367 U CN201920169367 U CN 201920169367U CN 209654535 U CN209654535 U CN 209654535U
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- Prior art keywords
- shaft
- high speed
- gear
- wind turbine
- wheel
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- 230000008878 coupling Effects 0.000 claims abstract description 9
- 238000010168 coupling process Methods 0.000 claims abstract description 9
- 238000005859 coupling reaction Methods 0.000 claims abstract description 9
- 238000010248 power generation Methods 0.000 claims abstract description 9
- 238000005452 bending Methods 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
Abstract
The utility model discloses a kind of large pressure angle planetary stage wind turbine gearboxes, including the first order planetary stage being made of planet carrier, ring gear, planetary gear and sun wheel shaft, the second level parallel stage of intergrade gear wheel and intergrade pinion shaft engagement composition, the third level parallel stage of high speed grade gear wheel and high speed level little gear axis engagement composition, high speed level little gear axis are supported on the back shell by high speed shaft cylindrical bearing, high speed shaft conical bearing；Rear box uses the structure of upper and lower subdivision, and high speed level little gear axis is connect with wind turbine power generation machine by shaft coupling.In first order planetary stage, the pressure angle between each component is not less than 25 °.Using the design of the utility model, biggish pressure angle can be improved the contact strength of tooth surface and teeth bending strength of gear.
Description
Technical field
The utility model relates to a kind of wind turbine gearbox, especially a kind of large pressure angle planetary stage wind turbine gearbox.
Background technique
20 ° or 22.5 ° of pressure angles, 1.0 addendum coefficient, pressure used by traditional wind turbine gearbox primary planet grade
Angle is smaller, and the contact strength of tooth surface and teeth bending strength of gear are lower.
Utility model content
Goal of the invention: the pressure angle used the utility model aims to solve existing wind turbine gearbox is too small, leads to the flank of tooth
Contact strength and the lower problem of teeth bending strength.
Technical solution: the utility model the following technical schemes are provided: a kind of large pressure angle planetary stage wind turbine gearbox, including
The first order planetary stage being made of planet carrier, ring gear, planetary gear and sun wheel shaft, intergrade gear wheel and intergrade pinion gear
The second level parallel stage of axis engagement composition, the third level parallel stage of high speed grade gear wheel and high speed level little gear axis engagement composition；
Rear box uses the structure of upper and lower subdivision, and high speed level little gear axis is connect with wind turbine power generation machine by shaft coupling, in first order row
In star, the addendum coefficient between each component is 1.0~1.1.
Further, planet carrier is supported on toggle, and planet wheel spindle is mounted on planet pivoted frame by interference connection, row
Star-wheel is supported on planet wheel spindle by planet wheel bearing, and planetary gear is engaged with sun wheel shaft simultaneously, sun wheel shaft and slow-speed shaft
By the involute spline connection in sun wheel shaft, intergrade gear wheel is connect with slow-speed shaft by interference, intergrade gear wheel
Engaged with intergrade pinion shaft, high speed grade gear wheel connects with intergrade pinion shaft by interference, high speed grade gear wheel with
The engagement of high speed level little gear axis.
Further, in first order planetary stage, the pressure angle between each component is not less than 25 °.
Further, slow-speed shaft, intergrade pinion shaft and high speed level little gear axis are both supported upon on rear box.
Further, high speed level little gear axis passes through rear box and is connect with wind turbine power generation machine by shaft coupling.
Working principle: planet carrier is connect with blower fan main shaft by locking plate interference, planet carrier, ring gear, planetary gear, the sun
Wheel shaft constitutes first order planetary stage, and planet carrier is supported on toggle by planet carrier fore bearing, planet carrier rear bearing, planetary gear
Axis by interference connection be mounted on planet carrier, planetary gear is supported on planet wheel spindle by planet wheel bearing, sun wheel shaft and
Slow-speed shaft is connected by involute spline, and slow-speed shaft is supported on rear box by slow-speed shaft cylindrical bearing, slow-speed shaft conical bearing
On, intergrade gear wheel is connect with slow-speed shaft by interference, intergrade gear wheel and intergrade pinion shaft engagement composition second
Grade parallel stage, intergrade pinion shaft are supported on the back shell by jackshaft cylindrical bearing and jackshaft conical bearing, high speed
Grade gear wheel is connected with intergrade pinion shaft by interference, high speed grade gear wheel and high speed level little gear axis engagement composition third
Grade parallel stage, high speed level little gear axis are supported on the back shell by high speed shaft cylindrical bearing, high speed shaft conical bearing；High speed grade
Pinion shaft is connect with wind turbine power generation machine by shaft coupling.
The utility model has the advantages that the utility model is compared with prior art:
Using the design of the utility model, biggish pressure angle can be improved contact strength of tooth surface and the tooth root bending of gear
Intensity.
Biggish pressure angle can reduce node region coefficient, to reduce Contact Stress of Gear, improve the flank of tooth of gear
Bearing capacity.
Biggish addendum coefficient is capable of increasing the length of effective involute, increases section registration.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the schematic diagram of the utility model pressure angle.
Specific embodiment
The utility model is further explained with reference to the accompanying drawing.
Embodiment
As shown in Figure 1 and Figure 2, in Fig. 2, α contacts generated pressure angle between each component.
A kind of large pressure angle planetary stage wind turbine gearbox, including by planet carrier 2, ring gear 5, planetary gear 6 and sun wheel shaft
11 first order planetary stages constituted, the second level parallel stage of intergrade gear wheel 13 and the engagement composition of intergrade pinion shaft 17,
The third level parallel stage of high speed grade gear wheel 18 and the engagement composition of high speed level little gear axis 21；Rear box uses the knot of upper and lower subdivision
Structure, high speed level little gear axis 21 are connect with wind turbine power generation machine by shaft coupling, the tooth in first order planetary stage, between each component
Rising coefficient is 1.0~1.1.
Planet carrier 2 is supported on toggle 4, and 6 axis of planetary gear is mounted on planet carrier 2 by interference connection, planetary gear 6
Be supported on planet wheel spindle 8 by planet wheel bearing 7, planetary gear 6 is engaged with sun wheel shaft 11 simultaneously, sun wheel shaft 11 with it is low
Fast axis 12 is connect with slow-speed shaft 12 by interference by the involute spline connection in sun wheel shaft 11, intergrade gear wheel 13,
Intergrade gear wheel 13 and intergrade pinion shaft 17 engage, and high speed grade gear wheel 18 and intergrade pinion shaft 17 pass through interference
Connection, high speed grade gear wheel 18 and high speed level little gear axis 21 engage.
In first order planetary stage, the pressure angle between each component is not less than 25 °.
Slow-speed shaft 12, intergrade pinion shaft 17 and high speed level little gear axis 21 are both supported upon on rear box 22.
High speed level little gear axis 21 passes through rear box 22 and is connect with wind turbine power generation machine by shaft coupling.
Planet carrier 2 is connect with blower fan main shaft by 1 interference of locking plate, planet carrier 2, ring gear 5, planetary gear 6, sun wheel shaft
11 constitute first order planetary stage, and planet carrier 2 is supported on toggle 4 by planet carrier fore bearing 3, planet carrier rear bearing 9, planet
Wheel shaft 8 is mounted on planet carrier 2 by interference connection, and planetary gear 6 is supported on planet wheel spindle 8 by planet wheel bearing 7, the sun
Wheel shaft 11 is connect with slow-speed shaft 12 by involute spline, and slow-speed shaft 12 passes through slow-speed shaft cylindrical bearing 10, slow-speed shaft cone axis
It holds 14 to be supported on rear box 22, intergrade gear wheel 13 is connect with slow-speed shaft 12 by interference, and intergrade gear wheel 13 is in
The engagement composition second level parallel stage of intercaste pinion shaft 17, intergrade pinion shaft 17 pass through jackshaft cylindrical bearing 15 and centre
Axis conical bearing 16 is supported on rear box 22, and high speed grade gear wheel 18 is connected with intergrade pinion shaft 17 by interference, high
Fast grade gear wheel 18 and the engagement composition third level parallel stage of high speed level little gear axis 21, high speed level little gear axis 21 pass through high speed
Axial cylindrical bearing 19, high speed shaft conical bearing 20 are supported on rear box 22；High speed level little gear axis 21 and wind turbine power generation machine are logical
Cross shaft coupling connection.
Claims (5)
1. a kind of large pressure angle planetary stage wind turbine gearbox, including what is be made of planet carrier, ring gear, planetary gear and sun wheel shaft
First order planetary stage, the second level parallel stage of intergrade gear wheel and intergrade pinion shaft engagement composition, high speed grade gear wheel
With the third level parallel stage of high speed level little gear axis engagement composition；Rear box uses the structure of upper and lower subdivision, high speed level little gear
Axis is connect with wind turbine power generation machine by shaft coupling, it is characterised in that: the height of teeth top system in first order planetary stage, between each component
Number is 1.0~1.1.
2. large pressure angle planetary stage wind turbine gearbox according to claim 1, it is characterised in that: planet carrier is supported on torsion
On arm, planet wheel spindle is mounted on planet pivoted frame by interference connection, and planetary gear is supported on planet wheel spindle by planet wheel bearing
On, planetary gear is engaged with sun wheel shaft simultaneously, and sun wheel shaft and slow-speed shaft are connected by the involute spline in sun wheel shaft, in
Intercaste gear wheel is connect with slow-speed shaft by interference, intergrade gear wheel and the engagement of intergrade pinion shaft, high speed grade gear wheel
It is connected with intergrade pinion shaft by interference, high speed grade gear wheel and the engagement of high speed level little gear axis.
3. large pressure angle planetary stage wind turbine gearbox according to claim 1, it is characterised in that: in first order planetary stage
In, the pressure angle between each component is not less than 25 °.
4. large pressure angle planetary stage wind turbine gearbox according to claim 2, it is characterised in that: slow-speed shaft, intergrade are small
Gear shaft and high speed level little gear axis are both supported upon on rear box.
5. large pressure angle planetary stage wind turbine gearbox according to claim 2, it is characterised in that: high speed level little gear axis is worn
Later cabinet is connect with wind turbine power generation machine by shaft coupling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920169367.4U CN209654535U (en) | 2019-01-31 | 2019-01-31 | A kind of large pressure angle planetary stage wind turbine gearbox |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920169367.4U CN209654535U (en) | 2019-01-31 | 2019-01-31 | A kind of large pressure angle planetary stage wind turbine gearbox |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209654535U true CN209654535U (en) | 2019-11-19 |
Family
ID=68523532
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920169367.4U Active CN209654535U (en) | 2019-01-31 | 2019-01-31 | A kind of large pressure angle planetary stage wind turbine gearbox |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209654535U (en) |
-
2019
- 2019-01-31 CN CN201920169367.4U patent/CN209654535U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: No.99 Furong Zhongsan Road, Xishan Economic and Technological Development Zone, Wuxi City, Jiangsu Province, 214000 Patentee after: Delijia Transmission Technology (Jiangsu) Co.,Ltd. Country or region after: China Address before: No.99 Furong Zhongsan Road, Xishan Economic and Technological Development Zone, Wuxi City, Jiangsu Province, 214000 Patentee before: DELIJIA TRANSMISSION TECHNOLOGY (JIANGSU) Co.,Ltd. Country or region before: China |
|
| CP03 | Change of name, title or address |