CN201714605U - Wheel hub assembling structure for wind power generating set - Google Patents
Wheel hub assembling structure for wind power generating set Download PDFInfo
- Publication number
- CN201714605U CN201714605U CN2010201612604U CN201020161260U CN201714605U CN 201714605 U CN201714605 U CN 201714605U CN 2010201612604 U CN2010201612604 U CN 2010201612604U CN 201020161260 U CN201020161260 U CN 201020161260U CN 201714605 U CN201714605 U CN 201714605U
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- CN
- China
- Prior art keywords
- wheel hub
- pitch
- paddle changing
- limit switch
- bearing
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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.)
- Expired - Fee Related
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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
Abstract
The utility model provides a wheel hub assembling structure for a wind power generating set, which comprises a wheel hub and paddle changing systems. The number of the paddle changing systems is the same as that of blade installing holes on the wheel hub, and the paddle changing systems are respectively arranged in the blade installing holes; each paddle changing system comprises a paddle changing bearing, a paddle changing speed reduction machine, a battery cabinet, a control cabinet, an angle sensor, two limit plates and three limit switches; web plates are respectively arranged in the blade installing holes of the wheel hub, wherein the end faces of the blade installing holes are connected with each paddle changing bearing, the paddle changing speed reduction machine and the battery cabinet are arranged on each web plate at the inner part of the wheel hub, the paddle changing speed reduction machine is meshed with an inner gear ring of the paddle changing bearing, two pitch changing limit plates are arranged at the side edge of the inner ring of the paddle changing bearing, the angle sensor and the three limit switches respectively in contact with the limit plates are arranged on a bracket at the inner side of the paddle changing bearing, and the paddle changing control cabinet is arranged on a supporting seat of the inner spherical surface of the wheel hub in the blade installing holes; and a paddle changing motor, the angle sensor and the three limit switches are respectively connected with the control cabinet. The wheel hub assembling structure saves space and is convenient for installation and maintenance.
Description
Technical field
The utility model relates to a kind of wind generator unit wheel hub assembly structure, belongs to the wind-driven generator technical group field.
Background technique
At present, the wheel hub load module of known wind power generating set impeller can realize the change oar of blade.Most variable blade control systems can occupy a large amount of spaces in wheel hub, be inconvenient to safeguard and the use of setting tool how the while realizes that the automatic adjusting that becomes the vane angle degree also becomes the subject matter that will solve.
Summary of the invention
Technical problem at above-mentioned existence, in order to solve pitch-controlled system reasonable Arrangement and the self-regulating problem of change vane angle degree in wheel hub, the utility model provides a kind of wind generator unit wheel hub assembly structure, directly pitch-controlled system control cabinet and power box are installed on the wheel hub, and change vane angle degree sensor and limit switch are installed, realize different automatic control and the adjustings that become the vane angle degree.
Technical solution of the present invention is as follows:
A kind of wind generator unit wheel hub assembly structure, comprise that wheel hub reaches and the identical pitch-controlled system of wheel hub upper blade mounting hole quantity, each pitch-controlled system is placed in the blade installation hole, described pitch-controlled system comprises pitch variable bearings, variable pitch speed reducer, battery rack, control cabinet, angle transducer, two limiting boards and three limit switches, in the blade installation hole of wheel hub, be equipped with web, wherein: the blade installation hole end surface is connected with pitch variable bearings, variable pitch speed reducer and battery rack place on the web of wheel hub inside, variable pitch speed reducer and the engagement of pitch variable bearings ring gear, be provided with two displacement limiting boards at pitch variable bearings inner ring side, on the support of pitch variable bearings inboard, be provided with angle transducer and touch three limit switches that close respectively with limiting board, pitch control cabinet is installed on the bearing of blade installation hole inner wheel hub inner ball surface, described change oar motor, angle transducer is connected with control cabinet respectively with three limit switches.
Described battery rack is connected with the web of wheel hub by scaffold, between scaffold and web damping device is installed.Described damping device is a beam.Described three limit switch mounting points: first limit switch and the second limit switch symmetry are installed on variable pitch speed reducer mounting hole seat both sides, and the 3rd limit switch becomes 12 degree angles with second limit switch with respect to the wheel hub center.Described two displacement limiting board positions: the chalaza of touching of first limiting board becomes 10 degree angles with first limit switch with respect to the wheel hub center, and the chalaza of touching of second limiting board becomes 88 degree angles with first limit switch with respect to the wheel hub center.
The invention has the beneficial effects as follows:
The present invention's direct casting pitch control cabinet bearing on wheel hub structure, fixing pitch-controlled system control cabinet has preferably been saved the space, personnel's such as convenient installation, maintenance work on the other hand on the one hand; The pitch-controlled system battery rack is fixed on the wheel hub web by support, and has beam, prevent that vibration from causing damage to machinery, electric component; Install and become vane angle degree sensor, limit switch and limiting board, different automatic control and the adjustings that become the vane angle degree of realization.
Description of drawings
Fig. 1 is a three-dimensional structure schematic representation of the present invention.
Fig. 2 is the A-A cross-sectional schematic of Fig. 1.
Fig. 3 is the B-B cross-sectional schematic of Fig. 1.
Fig. 4 is the D-D cross-sectional schematic of Fig. 1.
Fig. 5 is an angle transducer structural representation among Fig. 1.
Among the figure: 1. wheel hub, 11. outer spherical surfaces, 12. webs, 13. blade installation holes, 14. inner ball surface, 15. speed reducer mounting hole seats, 16. main shafts connect end face, 17. elliptical apertures, 18. bearing, 2. pitch-controlled system, 201. pitch variable bearings, 202. first limit switches, 203. speed reducer, 204. battery racks, 205. control cabinets, 206. second limit switches, 207. pressure pad, 208. mounting rails, 209. damping devices, 210. motor, 211. the 3rd limit switches, 212. first limiting boards, 213. second limiting board, 3. angle transducer, 301. encoder supports, 302. angular encoder, 303. bearings, 304. bearing air covers, 305. the input gear shaft, 306. pivot pins, 307. gear fixed trays, 308. counting gear, 309. bearing stifles, 310. output gear shafts, 311. the connecting shaft cover, 312. fixing pins, 313. thread holes, 314. housing, 315. dividing plates, 316. housing end plugs.
Embodiment
Below in conjunction with drawings and Examples the present invention is done detailed description.
Embodiment: as Fig. 1, Fig. 2, shown in Figure 3, the present invention includes wheel hub 1 reaches and the identical pitch-controlled system 2 of wheel hub 1 upper blade mounting hole 13 quantity, each pitch-controlled system 2 is placed in the blade installation hole 13, described pitch-controlled system 2 comprises pitch variable bearings 201, motor 210, speed reducer 203, battery rack 204, control cabinet 205, angle transducer 207, two limiting boards 212,213 and three limit switches 202,206,211, in the blade installation hole 13 of wheel hub 1, be equipped with web 12, wherein: blade installation hole 13 end faces are connected with pitch variable bearings 201, variable pitch speed reducer 203 and battery rack 204 place on the web 12 of wheel hub 1 inside, variable pitch speed reducer 203 and the engagement of pitch variable bearings 201 ring gears, be provided with two displacement limiting boards 212 at pitch variable bearings 201 inner ring sides, 213, on the support of pitch variable bearings 201 inboards, be provided with angle transducer 3 and touch three limit switches 202 that close respectively with two limiting boards, 206,211, pitch control cabinet 205 is installed on the bearing 18 of blade installation hole 13 inner wheel hub inner ball surface 14, described motor 210, angle transducer 3 is connected with control cabinet 205 respectively with three limit switches, by the rotation of control cabinet 205 control pitch variable bearings 201.
As Fig. 1, shown in Figure 4, described battery rack 204 is connected with the web 12 of wheel hub 1 by mounting rail 208, between mounting rail 208 and web 12 damping device 209 is installed, and is fixing by pressure pad 207.As shown in Figure 4, this routine damping device 209 is a beam.
As shown in Figure 1, described first limit switch 202 and second limit switch, 206 symmetries are installed on variable pitch speed reducer mounting hole seat 15 both sides, and the 3rd limit switch 211 becomes 12 degree angles with second limit switch 206 with respect to wheel hub 1 center.
As shown in Figure 1, described two displacement limiting board positions: the chalaza of touching of first limiting board 212 becomes 10 degree angles with first limit switch with respect to the wheel hub center, and the chalaza of touching of second limiting board becomes 88 degree angles with first limit switch with respect to the wheel hub center.
As shown in Figure 5, be the angle transducer 3 that adopts among the present invention, comprise shell, place angular encoder 302 and intermeshing two gears in the shell, and place the outer counting gear 308 of shell, described shell is by housing 314, dividing plate 315 and housing end plug 316 connect and compose in turn by attachment post 317, the input end of input gear shaft 305 passes housing end plug 316 and bearing air cover 304 is connected by gear fixed tray 307 with counting gear 308 in described two gears, wherein import 307 of gear shaft 305 and gear fixed trays and be connected by bearing pin 306, the other end is installed on the dividing plate 315 in the shell by bearing 303 and bearing stifle 309; Angular encoder 302 is fixed on the dividing plate 315 by encoder support 301, the output terminal of output gear shaft 310 passes dividing plate 315 and bearing air cover 304 is connected by connecting shaft cover 311 with the axle of angular encoder 302,311 of its diaxon and connecting sleeves are fixing by fixing pin 312, diaxon is rotated synchronously, and the other end is installed on the housing end plug 316 by bearing 303 and bearing stifle 309; Have the thread hole 313 that is used for connection angle encoder 302 on housing 314, counting gear 308 is meshed with pitch variable bearings during work.Described bearing stifle 309 is the non-proous bearing end cap, and bearing air cover 304 is the bearing (ball) cover that has through hole, all plays the effect of rigid bearing 303.All have the hole of matching on described dividing plate 315 and the housing end plug 316 with two gear shaft mounting points.The model of angular encoder 302 is 670-511980-X360.
The model of pitch variable bearings 201 is in this example: 033.38.1900.03K (T), the model of three limit switches is: ZCK M1H29C+ZCK D15C, the model of speed reducer 203 is: BJ1500T, the model of motor 210 is: DFV132S4/SBM/TF/VS/STH/PLG P5.5KW, power supply is transported to by control box and becomes on the oar motor 210, drive 201 rotations of speed reducer 203 drive pitch variable bearings by becoming oar motor 210, realize becoming oar work.
During installation, become the blade sheet and be installed on the pitch variable bearings 201 that is connected with wheel hub 1, the wheel hub 1 that assembles blade is installed between main shaft and air guide sleeve support.
Working procedure of the present invention: can be delivered to main shaft to the mechanical energy that blade obtains by wheel hub, can control the variation at blade pitch angle simultaneously, realize becoming automatically oar.Working procedure is as follows: the blade that is installed on the pitch variable bearings 201 is a mechanical energy with wind energy transformation, drives wheel hub 1 and rotates, and gives main shaft with transmission of power at last.When wind speed changes, when needing to change the propeller pitch angle of blade, pitch-controlled system 2 control motors 210 start, and drive gear and the pitch variable bearings 201 inner ring gear teeth meshing of speed reducer 203, realize the rotation of pitch variable bearings 201 inner rings.Blade and pitch variable bearings 201 inner rings rotate the variation that realizes propeller pitch angle simultaneously.Pitch variable bearings 201 inner rings rotate a certain angle as from 0 degree when 90 degree change, second limiting board 213 will with 211 collisions of the 3rd limit switch, become the oar release.Become the vane angle degree as breaking down and surpass 90 degree in becoming the oar process, second limiting board 213 will collide with second limit switch 206, play the anxious protective action that stops.As run into situation such as strong wind weather and make and become the vane angle degree when the negative angle direction changes, first limiting board 212 will bump with first limit switch 202, and pitch-controlled system 2 can control becomes the vane angle degree and changes feathering shutdown this moment to 90 degree directions.Angle transducer 3 can write down the angle of bearing inner race rotation and realize the automatic change oar of different amount by pitch-controlled system 2.
Claims (5)
1. wind generator unit wheel hub assembly structure, it is characterized in that: comprise that wheel hub reaches and the identical pitch-controlled system of wheel hub upper blade mounting hole quantity, each pitch-controlled system is placed in the blade installation hole, described pitch-controlled system comprises pitch variable bearings, variable pitch speed reducer, battery rack, control cabinet, angle transducer, two limiting boards and three limit switches, in the blade installation hole of wheel hub, be equipped with web, wherein: the blade installation hole end surface is connected with pitch variable bearings, variable pitch speed reducer and battery rack place on the web of wheel hub inside, variable pitch speed reducer and the engagement of pitch variable bearings ring gear, be provided with two displacement limiting boards at pitch variable bearings inner ring side, on the support of pitch variable bearings inboard, be provided with angle transducer and touch three limit switches that close respectively with limiting board, pitch control cabinet is installed on the bearing of blade installation hole inner wheel hub inner ball surface, described change oar motor, angle transducer is connected with control cabinet respectively with three limit switches.
2. wind generator unit wheel hub assembly structure according to claim 1 is characterized in that: described battery rack is connected with the web of wheel hub by scaffold, between scaffold and web damping device is installed.
3. wind generator unit wheel hub assembly structure according to claim 2 is characterized in that: described damping device is a beam.
4. wind generator unit wheel hub assembly structure according to claim 1, it is characterized in that: described three limit switch mounting points: first limit switch and the second limit switch symmetry are installed on variable pitch speed reducer mounting hole seat both sides, and the 3rd limit switch becomes 12 degree angles with second limit switch with respect to the wheel hub center.
5. wind generator unit wheel hub assembly structure according to claim 1, it is characterized in that: described two displacement limiting board positions: the chalaza of touching of first limiting board becomes 10 degree angles with first limit switch with respect to the wheel hub center, and the chalaza of touching of second limiting board becomes 88 degree angles with first limit switch with respect to the wheel hub center.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201612604U CN201714605U (en) | 2010-04-16 | 2010-04-16 | Wheel hub assembling structure for wind power generating set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201612604U CN201714605U (en) | 2010-04-16 | 2010-04-16 | Wheel hub assembling structure for wind power generating set |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201714605U true CN201714605U (en) | 2011-01-19 |
Family
ID=43460600
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201612604U Expired - Fee Related CN201714605U (en) | 2010-04-16 | 2010-04-16 | Wheel hub assembling structure for wind power generating set |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201714605U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103726996A (en) * | 2014-01-14 | 2014-04-16 | 北京金风科创风电设备有限公司 | Blade variable pitch limiting structure and wind driven generator |
| CN109058052A (en) * | 2018-08-29 | 2018-12-21 | 李华青 | The integrated form fixing and mounting bracket of new energy wind power plant |
| CN109838345A (en) * | 2019-02-26 | 2019-06-04 | 泗阳高传电机制造有限公司 | A kind of Wind turbines variation paddle structure |
| CN109899243A (en) * | 2019-02-26 | 2019-06-18 | 泗阳高传电机制造有限公司 | Blade adjustment seat in a kind of paddle change system of wind turbines |
-
2010
- 2010-04-16 CN CN2010201612604U patent/CN201714605U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103726996A (en) * | 2014-01-14 | 2014-04-16 | 北京金风科创风电设备有限公司 | Blade variable pitch limiting structure and wind driven generator |
| CN109058052A (en) * | 2018-08-29 | 2018-12-21 | 李华青 | The integrated form fixing and mounting bracket of new energy wind power plant |
| CN109838345A (en) * | 2019-02-26 | 2019-06-04 | 泗阳高传电机制造有限公司 | A kind of Wind turbines variation paddle structure |
| CN109899243A (en) * | 2019-02-26 | 2019-06-18 | 泗阳高传电机制造有限公司 | Blade adjustment seat in a kind of paddle change system of wind turbines |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110119 Termination date: 20130416 |