CN206738061U - A kind of blade pitch device used for wind power generation - Google Patents
A kind of blade pitch device used for wind power generation Download PDFInfo
- Publication number
- CN206738061U CN206738061U CN201720616949.3U CN201720616949U CN206738061U CN 206738061 U CN206738061 U CN 206738061U CN 201720616949 U CN201720616949 U CN 201720616949U CN 206738061 U CN206738061 U CN 206738061U
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- CN
- China
- Prior art keywords
- blade
- pitch
- mounting seat
- power generation
- wind power
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- 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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- 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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- Wind Motors (AREA)
Abstract
The utility model discloses a kind of blade pitch device used for wind power generation,Including ball-type wheel hub,Mounting seat is provided with the outside of the ball-type wheel hub,Motor support base is installed inside the mounting seat,The motor support base upper end is provided with pitch motor,The pitch motor shaft end is provided with little gear,The mounting seat upper end is provided with pitch variable bearings,The pitch variable bearings are internally provided with bearing internal tooth,The pitch variable bearings upper end is provided with blade base,The blade base upper end is provided with lower leave,The lower leave inner upper end is provided with upper strata blade,Magnetic is installed in the middle part of the upper strata blade lower end,Support frame is installed inside the lower leave,Support frame as described above upper center is provided with electromagnet,Support frame as described above upper end is provided with spring,The utility model is by changing vane stress angle and vane stress area,So as to realize dual change oar,It can shorten and become the oar time,Accelerate to become oar response speed.
Description
Technical field
Wind power generation plant technical field is the utility model is related to, specially a kind of blade pitch device used for wind power generation.
Background technology
Wind-power electricity generation is that the kinetic energy kept watch switchs to electric energy.Wind energy as a kind of regenerative resource of cleaning, increasingly by
The attention of countries in the world.When carrying out wind-power electricity generation, in order to be protected when wind-force is stronger to generating equipment, it is necessary to be entered
Row becomes oar.Pulp distance varying mechanism be exactly near rated wind speed (more than), the change according to wind speed adjusts propeller pitch angle at any time, and control is inhaled
The mechanical energy of receipts, on the one hand ensure to obtain maximum energy (corresponding with rated power), while reduce wind-force and wind energy conversion system is rushed
Hit.Become oar mainly carried out after wind-force detection signal is connected to, belong to postposition type, its corresponding speed, directly affect wind energy conversion system by
The impact arrived.Current blade pitch device, it can only all realize that one becomes oar again, change oar response speed is undesirable, can influence wind for a long time
The service life of power machine.
Utility model content
The purpose of this utility model is to provide a kind of blade pitch device used for wind power generation, by change vane stress angle and
Vane stress area, so as to realize dual change oar, it can shorten and become the oar time, accelerate to become oar response speed.
To achieve the above object, the utility model provides following technical scheme：A kind of blade pitch device used for wind power generation, including
Ball-type wheel hub, the ball-type wheel hub installed in front has closure, main shaft adpting flange is provided with rear side of the ball-type wheel hub, described
Mounting seat is provided with the outside of ball-type wheel hub, motor support base, the motor support base upper end peace are installed inside the mounting seat
Equipped with pitch motor, the pitch motor shaft end is provided with little gear, and the mounting seat upper end is provided with pitch variable bearings, described
Pitch variable bearings are internally provided with bearing internal tooth, and the pitch variable bearings upper end is provided with blade base, the blade base upper end peace
Equipped with lower leave, the lower leave inner upper end is provided with upper strata blade, and magnetic is provided with the middle part of the upper strata blade lower end
Property body, is provided with support frame inside the lower leave, and support frame as described above upper center is provided with electromagnet, on support frame as described above
End is provided with spring.
Preferably, the closure is mounted by means of bolts on front side of the ball-type wheel hub, the main shaft adpting flange
By way of casting with the ball-type wheel hub integrated molding.
Preferably, the mounting seat by way of casting with the ball-type wheel hub integrated molding, the peace
Dress base shares three, and the motor support base is welded on inside the mounting seat.
Preferably, the pitch motor is fixedly mounted on the motor support base upper end, the little gear by bolt base
The pitch motor shaft end is fixedly mounted on by connecting key.
Preferably, the pitch variable bearings are mounted by means of bolts on the mounting seat upper end, and the bearing internal tooth leads to
Cross mach mode to be molded over inside the pitch variable bearings, and be meshed with the little gear.
Preferably, the blade base is mounted by means of bolts on the pitch variable bearings upper end, the lower leave weldering
It is connected on the blade base upper end.
Preferably, the lower leave and the upper strata blade hollow design, support frame as described above are bolted installation
Inside the lower leave, the electromagnet is fixedly mounted on support frame as described above upper center, the bullet by electronics base
Spring is fixed by snap to be loaded on support frame as described above upper end.
Preferably, the upper strata blade is fixedly mounted on the lower leave inner upper end by chute, and passes through bolt
It is connected with the spring, the magnetic is mounted by means of bolts in the middle part of the upper strata blade lower end.
Compared with prior art, the beneficial effects of the utility model are as follows：
The utility model can be by changing vane stress angle and vane stress area, so as to realize dual change oar, energy
Enough shorten becomes the oar time, accelerates to become oar response speed.
Brief description of the drawings
Fig. 1 is stereogram of the present utility model；
Fig. 2 is that the right side of the present utility model regards cutaway view Amplified image；
Fig. 3 is broken section enlarged drawing of the present utility model.
In figure：1-upper strata blade, 2-lower leave, 3-blade base, 4-closure, 5-ball-type wheel hub, 6-master
Axis connection flange, 7-mounting seat, 8-pitch variable bearings, 9-bearing internal tooth, 10-little gear, 11-pitch motor, 12-electricity
Machine bearing, 13-magnetic, 14-spring, 15-electromagnet, 16-support frame.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belong to the scope of the utility model protection.
Fig. 1-3 are referred to, the utility model provides a kind of technical scheme：A kind of blade pitch device used for wind power generation, including ball
Type wheel hub 5, the installed in front of ball-type wheel hub 5 have closure 4, and the rear side of ball-type wheel hub 5 is provided with main shaft adpting flange 6, ball-type wheel hub 5
Outside is provided with mounting seat 7, and motor support base 12 is provided with inside mounting seat 7, and the upper end of motor support base 12, which is provided with, becomes oar electricity
Machine 11, the shaft end of pitch motor 11 are provided with little gear 10, and the upper end of mounting seat 7 is provided with pitch variable bearings 8, inside pitch variable bearings 8
Bearing internal tooth 9 is provided with, the upper end of pitch variable bearings 8 is provided with blade base 3, and the upper end of blade base 3 is provided with lower leave 2, under
The layer inner upper end of blade 2 is provided with upper strata blade 1, is provided with magnetic 13 in the middle part of the lower end of upper strata blade 1, inside lower leave 2
Support frame 16 is installed, the upper center of support frame 16 is provided with electromagnet 15, and the upper end of support frame 16 is provided with spring 14.
Preferably, closure 4 is mounted by means of bolts on the front side of ball-type wheel hub 5, and main shaft adpting flange 6 is by being cast as
The mode of type and the integrated molding of ball-type wheel hub 5, mounting seat 7 are melted into by way of casting with the one of ball-type wheel hub 5
Type, mounting seat 7 share three, and motor support base 12 is welded on inside mounting seat 7, and pitch motor 11 is fixed by bolt base
Installed in the upper end of motor support base 12, little gear 10 is fixedly mounted on the shaft end of pitch motor 11 by connecting key, and pitch variable bearings 8 pass through
Bolt is fixedly mounted on the upper end of mounting seat 7, and bearing internal tooth 9 is molded over inside pitch variable bearings 8 by mach mode, and with
Little gear 10 is meshed, and blade base 3 is mounted by means of bolts on the upper end of pitch variable bearings 8, and lower leave 2 is welded on blade bottom
3 upper ends of seat, lower leave 2 and the hollow design of upper strata blade 1, support frame 16 are mounted by means of bolts on inside lower leave 2,
Electromagnet 15 is fixedly mounted on the upper center of support frame 16 by electronics base, and spring 14 is fixed by snap to be loaded on support frame
16 upper ends, upper strata blade 1 is fixedly mounted on the inner upper end of lower leave 2 by chute, and is connected by bolt with spring 14,
Magnetic 13 is mounted by means of bolts in the middle part of the lower end of upper strata blade 1.
Operation principle：A kind of blade pitch device used for wind power generation, when control system detects wind-force conversion, in order to ensure to lead
, it is necessary to carry out change oar, control system control pitch motor 11 drives little gear 10 to move for the rotating speed of axle constant, little gear 10 with
Bearing internal tooth 9 forms gear drive, so as to drive pitch variable bearings 8 to rotate by bearing internal tooth 9, is fixed and pacified due to blade base 3
Mounted in the upper end of pitch variable bearings 8, when pitch variable bearings 8 rotate, blade base 3 can drive lower leave 2 to rotate, and realize lower leave
2 and upper strata blade 1 loading angle adjustment, so as to realizing that one becomes oar again, at the same time, control system control electromagnet 15
Carried charge, magnetic force is formed, in the presence of magnetic force, magnetic 13 overcomes the elasticity of spring 14, drives upper strata blade 1 in lower floor's leaf
The internal motion of piece 2, so as to adjust the lifting surface area of upper strata blade 1 and the entirety of lower leave 2, double change oar is realized, it is final to ensure
Constant, the protection wind energy conversion system of the speed of mainshaft, using dual change oar, can reduce and become the oar time, enhancing becomes the response speed of oar, subtracted
The time that few wind energy conversion system is hit, improve the service life of wind energy conversion system.
While there has been shown and described that embodiment of the present utility model, for the ordinary skill in the art,
It is appreciated that these embodiments can be carried out with a variety of changes in the case where not departing from principle of the present utility model and spirit, repaiied
Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.
Claims (8)
1. a kind of blade pitch device used for wind power generation, including ball-type wheel hub (5), it is characterised in that：Pacify on front side of the ball-type wheel hub (5)
Equipped with closure (4), main shaft adpting flange (6) is provided with rear side of the ball-type wheel hub (5), is set on the outside of the ball-type wheel hub (5)
Mounting seat (7) is equipped with, motor support base (12), motor support base (12) the upper end peace are installed inside the mounting seat (7)
Equipped with pitch motor (11), pitch motor (11) shaft end is provided with little gear (10), mounting seat (7) the upper end installation
There are pitch variable bearings (8), the pitch variable bearings (8) are internally provided with bearing internal tooth (9), and pitch variable bearings (8) upper end is provided with
Blade base (3), blade base (3) upper end are provided with lower leave (2), lower leave (2) the inner upper end installation
There is upper strata blade (1), magnetic (13) is installed in the middle part of upper strata blade (1) lower end, installed inside the lower leave (2)
There is support frame (16), support frame as described above (16) upper center is provided with electromagnet (15), and support frame as described above (16) upper end is provided with
Spring (14).
A kind of 2. blade pitch device used for wind power generation according to claim 1, it is characterised in that：The closure (4) passes through
Bolt is fixedly mounted on front side of the ball-type wheel hub (5), the main shaft adpting flange (6) by way of casting with it is described
Ball-type wheel hub (5) integrated molding.
A kind of 3. blade pitch device used for wind power generation according to claim 1, it is characterised in that：The mounting seat (7) is logical
The mode and ball-type wheel hub (5) integrated molding, the mounting seat (7) for crossing casting share three, the motor
It is internal that bearing (12) is welded on the mounting seat (7).
A kind of 4. blade pitch device used for wind power generation according to claim 1, it is characterised in that：The pitch motor (11) is logical
Cross bolt base and be fixedly mounted on the motor support base (12) upper end, the little gear (10) is fixedly mounted on institute by connecting key
State pitch motor (11) shaft end.
A kind of 5. blade pitch device used for wind power generation according to claim 1, it is characterised in that：The pitch variable bearings (8) are logical
Cross bolt and be fixedly mounted on the mounting seat (7) upper end, the bearing internal tooth (9) is molded over described by mach mode
Pitch variable bearings (8) are internal, and are meshed with the little gear (10).
A kind of 6. blade pitch device used for wind power generation according to claim 1, it is characterised in that：The blade base (3) is logical
Cross bolt and be fixedly mounted on the pitch variable bearings (8) upper end, the lower leave (2) is welded on blade base (3) upper end.
A kind of 7. blade pitch device used for wind power generation according to claim 1, it is characterised in that：The lower leave (2) and
Upper strata blade (1) hollow design, support frame as described above (16) are mounted by means of bolts on the lower leave (2) inside,
The electromagnet (15) is fixedly mounted on support frame as described above (16) upper center by electronics base, and the spring (14) passes through card
Button fixation is loaded on support frame as described above (16) upper end.
A kind of 8. blade pitch device used for wind power generation according to claim 1, it is characterised in that：The upper strata blade (1) is logical
Cross chute and be fixedly mounted on the lower leave (2) inner upper end, and be connected by bolt with the spring (14), the magnetic
Property body (13) be mounted by means of bolts in the middle part of upper strata blade (1) lower end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720616949.3U CN206738061U (en) | 2017-05-31 | 2017-05-31 | A kind of blade pitch device used for wind power generation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720616949.3U CN206738061U (en) | 2017-05-31 | 2017-05-31 | A kind of blade pitch device used for wind power generation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206738061U true CN206738061U (en) | 2017-12-12 |
Family
ID=60569362
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720616949.3U Expired - Fee Related CN206738061U (en) | 2017-05-31 | 2017-05-31 | A kind of blade pitch device used for wind power generation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206738061U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114109720A (en) * | 2021-12-31 | 2022-03-01 | 中国华能集团清洁能源技术研究院有限公司 | Wind wheel power increasing and efficiency improving device of horizontal shaft wind turbine |
-
2017
- 2017-05-31 CN CN201720616949.3U patent/CN206738061U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114109720A (en) * | 2021-12-31 | 2022-03-01 | 中国华能集团清洁能源技术研究院有限公司 | Wind wheel power increasing and efficiency improving device of horizontal shaft wind turbine |
| CN114109720B (en) * | 2021-12-31 | 2023-04-25 | 中国华能集团清洁能源技术研究院有限公司 | Wind wheel power increasing and efficiency improving device of horizontal axis wind turbine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171212 Termination date: 20180531 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |