CN206377218U - 275KW wind turbine gearboxes - Google Patents
275KW wind turbine gearboxes Download PDFInfo
- Publication number
- CN206377218U CN206377218U CN201720000833.7U CN201720000833U CN206377218U CN 206377218 U CN206377218 U CN 206377218U CN 201720000833 U CN201720000833 U CN 201720000833U CN 206377218 U CN206377218 U CN 206377218U
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- CN
- China
- Prior art keywords
- transmission mechanism
- gear
- casing
- planet
- planet transmission
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
The utility model is related to 275KW wind turbine gearboxes, including casing and installed in casing inner main axis, wind turbine gearbox is sequentially connected primary planet transmission mechanism and secondary planet transmission mechanism by main shaft, main shaft connects one-level ring gear by spline, primary planet carrier is fixedly connected with casing, and one-level sun gear connects secondary planet frame by spline again, and two grades of ring gears are fixedly connected with casing, secondary solar gear is arranged in casing by bearing, and kinetic energy is exported.
Description
Technical field
The utility model is related to wind turbine gearbox, specially 275KW wind turbine gearboxes.
Background technology
According to the market demand and company's needs, 275KW wind turbine gearboxes need to be designed, come 275KW blower fans in market after meeting
Gearbox demand.The 275KW wind turbine gearboxes of optimization design, using the planetary structure of two-stage optimizing, while existing according in the market
The service condition of some gear-boxes, using the gear parameter of optimization, improves the operational reliability of gear-box, realizes gear-box
The coaxial operating of input and output.
Utility model content
The utility model purpose is to provide a kind of reliable 275KW wind power gears to overcome the deficiencies in the prior art
Case, main shaft is integrated into gear-box, and the structure of two-stage Gear Planet Transmission is different from traditional planetary transmission structure, first order planet
Transmission is fixed from gear ring input, sun gear output, planet carrier, and gear ring and sun gear floating are realized and carried；Second level Gear Planet Transmission
From planet carrier input, sun gear output, gear ring is fixed with casing, and sun gear is also secured in casing, and planet carrier, which floats, to be realized
Carry.Oil pump little gear is installed in the sun wheel shaft of the second level, engaged with oil pump gear wheel, the rotation of driving mechanical pump shaft, and then drive
Mechanical pump is pumped from fuel tank to be lubricated to each meshing point.Become oar hydraulic oil from the hydraulic oil on fixed first order planet carrier
Hole is transferred in spindle hole, and then is transferred to wheel hub.
To reach above-mentioned purpose, the technical solution adopted in the utility model is：275KW wind turbine gearboxes, including casing, set
In casing inner main axis, primary planet transmission mechanism and secondary planet transmission mechanism and mechanical pump shaft, main shaft one end connection is set
There is wheel hub, the main shaft other end transmits kinetic energy to primary planet transmission mechanism by flower keyboard, and primary planet transmission mechanism leads to
Cross secondary planet frame and transmit kinetic energy to secondary planet transmission mechanism, covered on the secondary solar gear output shaft of secondary planet transmission mechanism
If oil pump little gear, the oil pump little gear is engaged with being set in mechanical pump shaft oiling pump gear wheel；In the wind turbine gearbox
Provided with becoming slurries force feed road, change slurries force feed road enters the primary planet carrier outer end that oilhole is located at primary planet transmission mechanism
On face, the change slurries force feed road oil outlet is located in primary planet carrier vane end faces.
Further improved as the utility model, the casing includes preceding casing, middle casing and rear box；The one-level
The primary planet carrier of epicyclic transmission mechanism and preceding casing, middle casing, the two grades of ring gears and rear box of secondary planet transmission mechanism
Connection is fixedly mounted；Flower keyboard is installed with the main shaft, the one-level ring gear of the primary planet transmission mechanism passes through spline
It is connected with flower keyboard, the one-level sun gear of the primary planet transmission mechanism connects the two of secondary planet transmission mechanism by spline
Level planet carrier, the primary planet transmission mechanism is floated by the one-level sun gear of one-level ring gear and primary planet transmission mechanism
Realize the load of Gear Planet Transmission；The secondary planet transmission mechanism realizes the equal of Gear Planet Transmission by the floating of secondary planet frame
Carry.
Due to the utilization of above-mentioned technical proposal, the utility model has following advantages compared with prior art：
The utility model provides 275KW wind turbine gearboxes, and primary planet carrier is fixed, and secondary planet frame floats, than conventional knot
The few two pairs of planet carrier spring bearings of structure, greatly reduce cost；Every grade of planetary structure has floating part, improves Gear Planet Transmission
Performance is carried, gearbox life is improved；Gear-box relies on the kinetic energy inputted from wheel hub, and driving mechanical pumping oil is clicked through to each engagement
Row lubrication, gear-box operation does not need extra energy to support；Hydraulic oil for variable pitch is inputted to wheel hub from fixed planet carrier,
Ensure that gear-box can coaxially be operated with input and output；Gear member parameter optimization, intensity is higher, and gear-box reliability is higher, improves
The utilization rate of wind energy, reduce the fan parking time, with the beneficial effect such as energy-efficient, economical and practical.
Brief description of the drawings
Illustrate below in conjunction with the accompanying drawings：
Accompanying drawing 1 is 275KW wind turbine gearboxes structural representation of the present utility model.
Embodiment
Below in conjunction with the accompanying drawings and the detailed description made to the utility model of specific embodiment.
275KW wind turbine gearboxes structural representation described in the utility model as shown in Figure 1:275KW wind power gears
Case includes main shaft 1, preceding casing 2, flower keyboard 3, one-level ring gear 4, middle casing 5, primary planet wheel 6, one-level bearing pin 7, one-level row
Carrier 8, one-level sun gear 9, secondary planet wheel 10, two grades of bearing pins 11, secondary planet frame 12, secondary solar gear 13, the small teeth of oil pump
Wheel 14, rear box 15, oil pump gear wheel 16, mechanical pump shaft 17 and two grades of ring gears 18.
Main shaft 1 is arranged in preceding casing 2 by bearing, and flower keyboard 3 is fixed on main shaft 1 by bolt and pin, in one-level
Gear ring 4 is assembled together by spline with flower keyboard 3, when axial fan hub rotates, and main shaft 1, flower keyboard 3, one-level ring gear 4 are synchronous
Rotation；
One-level ring gear 4 is engaged with four uniform primary planet wheels 6, and primary planet wheel 6 passes through four 7 points of one-level bearing pins
An Zhuan not be on primary planet carrier 8, four primary planet wheels 6 are engaged with one-level sun gear 9 simultaneously again；
One-level sun gear 9 links together with the spline on secondary planet frame 12, so that drive secondary planet frame 12 to rotate,
Three secondary planet wheels 10 are installed by three two grades of bearing pins 11 on secondary planet frame 12, while secondary planet frame 12 rotates,
Three secondary planet wheels 10 are driven to be engaged with two grades of ring gears 18, secondary solar gear 13 is participated in engaging and then rotated；
Secondary solar gear 13 is arranged in rear box 15 by bearing, and the other end of secondary solar gear 13 is defeated as gear-box
Go out, be connected with generator.
Primary planet carrier 8 is fixedly installed togather with preceding casing 2, middle casing 5, two grades of ring gears 18, rear box 15, passes through
Preceding casing 2 is fixedly mounted in blower fan frame；
One-level ring gear 4, primary planet wheel 6（Four）, one-level sun gear 9, primary planet carrier 8 together constitute the first order
Epicyclic transmission mechanism, wherein primary planet wheel 6（Four）It is fixed on primary planet carrier 8 on casing, one-level ring gear 4 and one-level
Sun gear 9 can float respectively, it is ensured that the load of first order epicyclic transmission mechanism；
Two grades of ring gears 18, secondary planet wheels 10（Three）, secondary solar gear 13, secondary planet frame 12 together constitute
Secondary planet transmission mechanism, wherein two grades of ring gears 18 and secondary solar gear 13 are fixed with casing, secondary planet wheel 10（Three）
Floated together with secondary planet frame 12, it is ensured that the load of second level Gear Planet Transmission；
Oil pump little gear 14 is arranged on secondary solar gear 13 by flat key, is rotated together with secondary solar gear 13, oil pump
Little gear 14 is engaged with oil pump gear wheel 16, and oil pump gear wheel 16 is arranged on mechanical pump shaft 17 by flat key, oil pump gear wheel
16 driving mechanical pump shafts 17 are rotated, and then driving mechanical pump work, and engagement each to gear-box of being pumped from gear-box fuel tank is clicked through
Row lubrication.
Become oar hydraulic oil to input from the oilhole 19 that enters on the outer face of primary planet carrier 8, from the vane end faces of primary planet carrier 8
The output of oil outlet 20 enters in spindle hole, and then is transferred to wheel hub（Not shown in figure）In.
The utility model is driven using two-stage planetary structure, wind energy driving blade, will be dynamic by wheel hub, main shaft, flower keyboard
Power passes to one-level ring gear and drives ring gear to rotate, and energy will be passed to sun gear by one-level ring gear by first order planetary stage,
The spline of the sun gear other end drives secondary planet frame, and secondary planet frame drives secondary solar gear, two grades by secondary planet wheel
Sun gear is exported, and generator, electrical power generators are driven by shaft coupling.
The utility model structure design, two pairs of planet carrier spring bearings fewer than conventional structure, greatly reduces cost；Every grade
Planetary structure has floating part, improves the load performance of Gear Planet Transmission, improves gearbox life；Gear-box relies on defeated from wheel hub
The kinetic energy entered, driving mechanical pumping oil is lubricated to each meshing point, and gear-box operation does not need extra energy to support；Become oar
Inputted with hydraulic oil from fixed planet carrier to wheel hub, it is ensured that gear-box can coaxially be operated with input and output；Gear member parameter
Optimization, intensity is higher, and gear-box reliability is higher, improves the utilization rate of wind energy, reduces the fan parking time, with efficient section
The beneficial effect such as energy, economical and practical.
During the utility model structure concrete application, it the above is only concrete application example of the present utility model, it is new to this practicality
The protection domain of type is not limited in any way；Technical scheme formed by all use equivalent transformation or equivalent replacements, all falls within
Within the utility model rights protection scope.
Claims (2)
1.275KW wind turbine gearboxes, including casing, be located at casing inner main axis, primary planet transmission mechanism and secondary planet transmission
Mechanism and mechanical pump shaft, it is characterised in that described main shaft one end is connected with wheel hub, the main shaft other end is passed by flower keyboard
Graduating can transmit kinetic energy to secondary planet by secondary planet frame and be driven to primary planet transmission mechanism, primary planet transmission mechanism
Oil pump little gear is arranged on mechanism, the secondary solar gear output shaft of secondary planet transmission mechanism, the oil pump little gear is with being arranged
In the engagement of mechanical pump shaft oiling pump gear wheel；Provided with slurries force feed road is become in the wind turbine gearbox, the change slurries press oil road
The oilhole that enters be located on the primary planet carrier outer face of primary planet transmission mechanism, it is described change slurries force feed road oil outlet be located at one
In level planet carrier vane end faces.
2. 275KW wind turbine gearboxes according to claim 1, it is characterised in that
The casing includes preceding casing, middle casing and rear box；
The primary planet carrier of the primary planet transmission mechanism and preceding casing, middle casing, in two grades of secondary planet transmission mechanism
Connection is fixedly mounted in gear ring and rear box；It is installed with the main shaft in flower keyboard, the one-level of the primary planet transmission mechanism
Gear ring is connected by spline with flower keyboard, and the one-level sun gear of the primary planet transmission mechanism connects secondary planet by spline
The secondary planet frame of transmission mechanism, the primary planet transmission mechanism passes through one-level ring gear and the one of primary planet transmission mechanism
Level sun gear, which floats, realizes the load of Gear Planet Transmission；The secondary planet transmission mechanism is realized by the floating of secondary planet frame and gone
The load of star transmission.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720000833.7U CN206377218U (en) | 2017-01-03 | 2017-01-03 | 275KW wind turbine gearboxes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720000833.7U CN206377218U (en) | 2017-01-03 | 2017-01-03 | 275KW wind turbine gearboxes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206377218U true CN206377218U (en) | 2017-08-04 |
Family
ID=59404810
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720000833.7U Active CN206377218U (en) | 2017-01-03 | 2017-01-03 | 275KW wind turbine gearboxes |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206377218U (en) |
-
2017
- 2017-01-03 CN CN201720000833.7U patent/CN206377218U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |