CN2274261Y - Thin-wing wind-wheel group power device - Google Patents
Thin-wing wind-wheel group power device Download PDFInfo
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- CN2274261Y CN2274261Y CN96228868U CN96228868U CN2274261Y CN 2274261 Y CN2274261 Y CN 2274261Y CN 96228868 U CN96228868 U CN 96228868U CN 96228868 U CN96228868 U CN 96228868U CN 2274261 Y CN2274261 Y CN 2274261Y
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- wind wheel
- blade
- armed lever
- wind
- group power
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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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Abstract
The utility model relates to a thin-wing wind wheel group power device, which is the improvement of the structure of a wind power device. The utility model comprises a tower frame, a turning machine group which plays the action of turning, a lightning rod, a wind direction indicator and a brake. The utility model is characterized in that the upper end of the tower frame is provided with a bracket turntable which is supported by the turning machine group. Two wind wheels are respectively supported by a front arm rod and a back arm rod of the bracket turntable, or a plurality of wind wheels are supported by a plurality of arm rods. Blades of the wind wheels adopt thin-wing blades with double curved surface. The utility model has the advantages of fold increase of the power, no fold increase of the cost, high efficiency of the wind wheels, reasonable structure, high safety, easy running, and convenient transportation.
Description
The utility model relates to a kind of improvement of wind power generation device structure, is a kind of thin wing wind wheel group power plant specifically.
Wind-force for a long time by the human use as various power, for example be used for generating, car irrigated land etc.Existing wind wheel power plant and wind generating unit all adopt the horizontal axis rotor, are the single-wheel operation, and each impeller upper blade number is few, has only 2～3.In order to increase power, just must increase rotor diameter, thereby must add linear leaf.And rotor is the cantilever that a single-point supports, and rigidity is bad, in order to bear very big dynamic load and end thrust, blade must make very thickly, heavy than benzene, what blade had weighs 2～3 tons, it is big to build difficulty, the cost height, and bulk is built, bulk is installed, the transportation difficulty.
The utility model purpose is to overcome the deficiency on existing wind wheel power plant and the wind generating set structure, a kind of architecture advances is proposed thin wing wind wheel group power plant, adopt 2 or 2 above wind wheels composition wind wheel groups, each wind wheel adopts a plurality of hyperboloid type blades, make wind wheel that good aerodynamic features be arranged, improve the efficient of wind wheel, make structure easier, light and handy, can be combined and dismantled convenient transportation, installation, maintenance.
The utility model is realized by following technological scheme: these thin wing wind wheel group power plant, include one and be bolted to pylon on the concrete pedestal with ground, cycle unit that the tuning effect is arranged of installing on pylon, the cycle unit includes supporting device for sluing mechanisms and drive unit, supporting device for sluing mechanisms is made up of rotating disk vertical shaft and vertical bearing case, be provided with in the vertical bearing case, following two groups of rolling bearings, drive unit connects worm reducer and open type cylindrical gears successively by actuating motor and pays and form, on thin wing wind wheel group power plant, also be provided with lightning conductor, wind direction indicator and break, be provided with the carriage rotating disk in the pylon upper end, support by the cycle unit, a carriage rotating disk left side, right two groups preceding armed lever, back armed lever is a support left side respectively, right two wind wheels, perhaps by a plurality of wind wheels of a plurality of armed lever supports, the central shaft front end of wind wheel is bearing on the preceding supporting shaft holder, the rear end is connected with the input shaft of gear-box, the gear-box output terminal is connected with the centre tooth roller box via transmission shaft, is connected with driven equipment again.
Upper bearing (metal) in the vertical bearing case is a roller bearing, in order to the supporting radial force, (wind wheel thrust), lower bearing is a single row tapered roller bearings, in order to supporting axial force (rotating gross weight partly) and counter-force radially.The worm screw of the driven by servomotor worm reducer in the drive unit, the vertical installation of the worm-wheel shaft of retarder, and be passed down through the carriage rotating disk, below the carriage rotating disk, the lower end of worm-wheel shaft is equipped with the actuation gear that exposed gear is paid, the shell of driven gear that it is meshed and swivel bearing bearing housing is made integral body.The wind energy that wind wheel absorbs is by the input shaft input of gear-box, and after commutation, its output shaft is connected with the coupling of transmission shaft one end, and the other end of transmission shaft is connected with the input shaft of centre tooth roller box.The left side input shaft of centre tooth roller box is provided with brake coutact, and the cylindrical of coupling is Brake drum, establishes electromagnetic brake at the Brake drum cylindrical.
The carriage rotating disk includes a turntable body, and its shape is a platform, is welded by shaped steel, and motor, centre tooth roller box etc. are installed on turntable body.Armed lever before turntable body the place ahead has 2 groups, armed lever after the turntable body rear has 2 groups, preceding armed lever, back armed lever are formed by three single zeugopodium spares, an end of each single zeugopodium spare of armed lever is connected with preceding supporting shaft holder before forming, the corresponding node of the other end and turntable body place flange bolt, an end of forming each single zeugopodium spare of back armed lever is fixed on otic placode on the housing of gear-box, and the other end also is the place of corresponding node with a turntable body flange bolt.Before three single zeugopodium spares of armed lever include before brace, preceding transverse arm cross bar, the flat brace of preceding transverse arm on the transverse arm, three single zeugopodium spares of back armed lever include on the transverse arm of back behind the brace transverse arm cross bar and after the flat brace of transverse arm.The composition of wind wheel includes blade and blade pillar, the blade pillar passes the hollow circular-tube of blade front, one end of blade pillar is connected with the wind wheel central shaft, the blade pillar the other end is connected with the wind wheel outer shroud, the limit of winding up of blade is connected with the wind wheel outer shroud, the lower edge limit of blade and wind wheel central shaft rear end small circle ring are affixed, have preceding spoke, back spoke to reinforce respectively in the bi-side of blade pillar.The carriage rotating disk is linked to be the wind wheel group of a synchronous operation with 2 or a plurality of wind wheel, after wind wheel rotates, via gear-box, transmission shaft, centre tooth roller box and driven device, connects as motor, can generate electricity; Also can connect field irrigation car water device etc.Form 8～16 of the numbers of blade of each wind wheel, blade is the thin wing of hyperboloid shape, and the major parameter of blade is: maximum ga(u)ge is 10.8%, and the maximum ga(u)ge position is 30%, and the angle of attack that wind wheel starts normal operation rear blade arbitrary cross-section is 15 °～20 °.Blade can be selected glass fibre reinforced plastic material for use.For small-sized unit, wind wheel can adopt 8 leaf leaves, in adopt 12 blades on the same group, large-scale unit can adopt 16 blades, so startability is good, the wind speed of 3 meter per seconds can start.And original wind generating unit wants 4～5 meter per seconds to start.The curved surface of the transverse section of hyperboloid blade is the curved surface that guarantees maximum lift coefficient, minimum drag coefficient, and the longitudinal section curved surface is the curved surface that keeps the favorable upstreaming angle angle.Though therefore take to fixedly mount the method at angle, kept the favorable upstreaming angle of whole blade, wind wheel efficient is higher.Owing to adopted thin wing, alleviated weight.Because adopt 2 or 2 above wind wheels composition wind wheel groups, not only power can be doubled and redoubled, two wind wheel sense of rotation are opposite, can eliminate gyroscopic effect.
2 angular wheel engagements in the gear-box, the angle relation that its input shaft and output shaft are orthogonal thereto 90 °.The rotor shaft outbound course is changed, and the installation of being convenient to structure is compact more.
The utility model has the advantages that owing to adopted installation 2 or a plurality of wind wheel on the pylon, a wind wheel group promptly is installed, it is a plurality of that hyperboloid type blade is installed on each wind wheel, power can be at double increase, but cost does not but need to strengthen exponentially, the blade of its hyperboloid shape, guaranteed under any wind speed, the favorable upstreaming angle of any transverse section, moment of torsion is bigger, and wind wheel efficient is higher, simple in structure, intensity is reliable, and operation is light and handy, and cost is lower, and the way of rotating bracket rotating disk replaced the rotating speed that the way of adjusting each rotor blade slurry cabinet is controlled wind wheel, simplified regulating and controlling mechanism greatly.This device all is to assemble, and is convenient to transportation.
Embodiment of accompanying drawings.
Fig. 1 is a kind of thin wing wind wheel group power plant structural drawing, and this wind wheel group comprises that 2 wind wheels are used for wind-power electricity generation.
Fig. 2 is the side view of Fig. 1.
Fig. 3 is a carriage turntable structure plan view.
Fig. 4 is a carriage turntable structure plan view.
Fig. 5, Fig. 6 are plan view, the plan views of a wind wheel of being made up of 8 blades.
Fig. 7 is the layout plan of supporting device for sluing mechanisms and drive unit.
Fig. 8, Fig. 9, Figure 10 are three direction projection figure of hyperbolic-type thin wing blade.
These thin airfoil wind wheel group power plant are to be used for wind-power electricity generation, its structure includes one and is bolted to pylon (6) on the concrete pedestal in order to support whole wind wheels power plant with ground, on pylon, be provided with the carriage rotating disk that is welded into by shaped steel, hold up motor (3), centre tooth roller box (14), lightning conductor (11), wind direction indicator (12), break (17) cycle unit (5) etc. in the above.The cycle unit includes supporting device for sluing mechanisms and drive unit.Supporting device for sluing mechanisms includes in rotating disk vertical shaft (13) and vertical bearing case (32), the vertical bearing case and is provided with upper and lower two groups of rolling bearings.Drive unit includes actuating motor (8), connects worm reducer (28) and open type cylindrical gears successively and pays.The open type cylindrical gears is paid and is comprised that actuation gear (29), driven gear (30) are meshing with each other.Driven gear (30) is made integral body with the shell of vertical bearing case (32).A carriage rotating disk (2) is set in pylon (6) upper end, and by the supporting of cycle unit, the carriage rotating disk comprises before the turntable body of a platform shape and two groups armed lever behind two groups of the armed levers.Preceding armed lever is made up of brace on the forearm (21), preceding transverse arm cross bar (22), (23) three single zeugopodium spares of the flat brace of preceding transverse arm, a preceding armed lever wherein end is connected with preceding supporting shaft holder, and back armed lever is made up of brace (24), back transverse arm cross bar (25) and (26) three single zeugopodium spares of the back flat brace of transverse arm on the transverse arm of back.A wherein end of back armed lever is fixed on gear-box (4) housing with otic placode (10), and all corresponding with the turntable body node of the other end of forward and backward armed lever place is connected.Left and right two wind wheels of carriage rotating disk support.The central shaft front end of wind wheel is bearing on the preceding supporting shaft holder (9), and the rear end is connected with the input shaft of gear-box (4), and gear-box (4) output terminal connects transmission shaft (15), connects centre tooth roller box (14), driven device more successively: motor (3).Wind wheel has 8 blades (7), 8 blade pillars (18) pass blade center in front pipe, the wind wheel outside is that wind wheel outer shroud (1) is connected with an end of each blade and blade pillar, the wind wheel central shaft (16) at wind wheel center connects the little ring in central shaft rear end (27), is connected with the other end of blade and blade pillar.Use (19) 8 of preceding spokes, (20) 8 reinforcings of back spoke respectively in the both sides of blade pillar (18).Form by 8 blades (7) in the wind wheel, be the thin wing of hyperboloid shape, long 2.8 meters of projecting blade, projection is wide 0.62 meter, and the projecting blade aspect ratio is 4.51, and every of blade real area is 1.9096 meters
2, the area of each wind wheel is 15.2768 meters
2, maximum ga(u)ge is 10.8%, and the maximum ga(u)ge position is 30%, and the limit of winding up is 2.3562 meters in wheel point place spacing, and the lower edge limit is 0.157 meter in wheel root place spacing; The established angle of blade: the lower edge limit is 30.4 ° with axial angle, and the limit of winding up is 90 ° with axial angle, and after the normal operation of wind wheel, the blade arbitrary cross-section angle of attack is 20 °.The glass fibre reinforced plastic material that blade (7) is made up of unsaturated polyester resin and glass fibre cloth is mold formed, and its wind wheel tip-speed ratio goes into=and 2.7474, wind wheel efficiency factor Cp=0.5863,
Wind wheel torque coefficient Cm=0.2134.This wind-power electricity generation power is 40 kilowatts, every kilowatt about 3750～4000 yuan, compares every kilowatt in existing device and wants cheap a lot of for nearly 10000 yuan.
Claims (6)
1. thin wing wind wheel group power plant, include one and be bolted to pylon on the concrete pedestal with ground, cycle unit that the tuning effect is arranged of installing on pylon, the cycle unit includes supporting device for sluing mechanisms and drive unit, supporting device for sluing mechanisms is made up of rotating disk vertical shaft and vertical bearing case, be provided with in the vertical bearing case, following two groups of rolling bearings, drive unit connects worm reducer and open type cylindrical gears successively by actuating motor and pays and form, on thin wing wind wheel group power plant, also be provided with lightning conductor, wind direction indicator and break, it is characterized in that the pylon upper end is provided with the carriage rotating disk, support by the cycle unit, a carriage rotating disk left side, right two groups preceding armed lever, back armed lever is a support left side respectively, right two wind wheels, perhaps by a plurality of wind wheels of a plurality of armed lever supports, the central shaft front end of wind wheel is bearing on the preceding supporting shaft holder, the rear end is connected with the input shaft of gear-box, and the gear-box output terminal is connected with the centre tooth roller box via transmission shaft, is connected with driven equipment again.
2, according to the described thin wing wind wheel of claim 1 group power plant, it is characterized in that the carriage rotating disk comprises throws away a turntable body, its shape is a platform, armed lever before turntable body the place ahead has 2 groups, armed lever after the turntable body rear has 2 groups, preceding armed lever, back armed lever is formed by three single zeugopodium spares, an end of each single zeugopodium spare of armed lever is connected with preceding supporting shaft holder before forming, the corresponding node of the other end and turntable body place flange bolt, an end of forming each single zeugopodium spare of back armed lever is fixed on otic placode on the housing of gear-box, and the other end also is the place of corresponding node with a turntable body flange bolt.
3, according to the described thin wing wind wheel of claim 1 group power plant, three single zeugopodium spares of armed lever include brace, preceding transverse arm cross bar, the flat brace of preceding transverse arm on the preceding transverse arm before it is characterized in that, three single zeugopodium spares of back armed lever include brace on the transverse arm of back, back transverse arm cross bar and the flat brace of back transverse arm.
4, according to the described thin wing wind wheel of claim 1 group power plant, the composition that it is characterized in that wind wheel includes blade and blade pillar, the blade pillar passes the hollow circular-tube of blade front, one end of blade pillar is connected with the wind wheel central shaft, the blade pillar the other end is connected with the wind wheel outer shroud, the limit of winding up of blade is connected with the wind wheel outer shroud, and the lower edge limit of blade and wind wheel central shaft rear end small circle ring are affixed, has preceding spoke, back spoke to reinforce respectively in the bi-side of blade pillar.
5, according to the described thin wing wind wheel of claim 1 group power plant, the number of blade that it is characterized in that forming each wind wheel is 8～16, blade is the thin wing of hyperboloid shape, the major parameter of blade is: maximum ga(u)ge is 10.8%, the maximum ga(u)ge position is 30%, and the angle of attack that wind wheel starts normal operation rear blade arbitrary cross-section is 15 °～20 °.
6, according to the described thin wing wind wheel of claim 1 group power plant, it is characterized in that having in the gear-box 2 angular wheels to be meshed, the angle relation that its input shaft and output shaft are orthogonal thereto 90 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN96228868U CN2274261Y (en) | 1996-09-06 | 1996-09-06 | Thin-wing wind-wheel group power device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN96228868U CN2274261Y (en) | 1996-09-06 | 1996-09-06 | Thin-wing wind-wheel group power device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2274261Y true CN2274261Y (en) | 1998-02-11 |
Family
ID=33906658
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN96228868U Expired - Fee Related CN2274261Y (en) | 1996-09-06 | 1996-09-06 | Thin-wing wind-wheel group power device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2274261Y (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100443719C (en) * | 2004-01-05 | 2008-12-17 | 姚卫东 | Wind force electric generator |
| CN102305172A (en) * | 2011-08-19 | 2012-01-04 | 天津大学 | Multi-rotor wind generating system with fixing rods |
| CN101737248B (en) * | 2010-02-20 | 2012-04-25 | 马军兴 | Wind machine provided with symmetrically-turning axial-flow even wheels |
| CN109219700A (en) * | 2016-04-15 | 2019-01-15 | 维斯塔斯风力系统有限公司 | Multi-rotor wind turbine with platform |
| CN110185577A (en) * | 2019-05-24 | 2019-08-30 | 宛得重 | It is a kind of to utilize parallel yaw annulus tail-swinging wind power generating set device certainly |
| CN113027670A (en) * | 2021-04-20 | 2021-06-25 | 宋松强 | Convenient efficient wind power generation set |
-
1996
- 1996-09-06 CN CN96228868U patent/CN2274261Y/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100443719C (en) * | 2004-01-05 | 2008-12-17 | 姚卫东 | Wind force electric generator |
| CN101737248B (en) * | 2010-02-20 | 2012-04-25 | 马军兴 | Wind machine provided with symmetrically-turning axial-flow even wheels |
| CN102305172A (en) * | 2011-08-19 | 2012-01-04 | 天津大学 | Multi-rotor wind generating system with fixing rods |
| CN109219700A (en) * | 2016-04-15 | 2019-01-15 | 维斯塔斯风力系统有限公司 | Multi-rotor wind turbine with platform |
| US11199178B2 (en) | 2016-04-15 | 2021-12-14 | Vestas Wind Systems A/S | Multirotor wind turbine with a platform |
| CN110185577A (en) * | 2019-05-24 | 2019-08-30 | 宛得重 | It is a kind of to utilize parallel yaw annulus tail-swinging wind power generating set device certainly |
| CN113027670A (en) * | 2021-04-20 | 2021-06-25 | 宋松强 | Convenient efficient wind power generation set |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |