CN2683891Y - Fan blade device of wind power generating system - Google Patents
Fan blade device of wind power generating system Download PDFInfo
- Publication number
- CN2683891Y CN2683891Y CNU2004200381715U CN200420038171U CN2683891Y CN 2683891 Y CN2683891 Y CN 2683891Y CN U2004200381715 U CNU2004200381715 U CN U2004200381715U CN 200420038171 U CN200420038171 U CN 200420038171U CN 2683891 Y CN2683891 Y CN 2683891Y
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- CN
- China
- Prior art keywords
- fan blade
- rotating shaft
- power generating
- wind
- generating system
- 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.)
- 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 fan blade device of a wind power generating system, comprising a fan blade, a rotating shaft, a sleeve tube and a generator. A vertical shaft type is adopted, the fan blade is in a long sheet shape, and a cross section adopts an NACA0009 wing profile; the fan blade is connected with the rotating shaft through a cross beam in the mode that the lengthwise direction of the fan blade is parallel to the shaft line of the rotating shaft and the chord length direction of the fan blade is perpendicular to the shaft line of the rotating shaft, and the direction of a windmill is not needed to change according to the change of the wind with little space occupying and less noise. The fan blade adopts the composite of macromolecule to cure and shape, the rotating shaft adopts the carbon steel material, and an attachment fitting adopts the aluminum alloy material; the fan blade device of a wind power generating system with favorable durability, corrosion resistance and safety can be applicable to various severe environments such as dust, salt fog and humid climate in regions such as inlands, deserts, coasts, etc. whose temperature change is between-55 DEG C /+70 DEG C, and the service life can be twenty years.
Description
Technical field
The utility model relates to wind power generation field, particularly a kind of fan blade device of wind-power generating system.
Background technique
Utilizing the inexhaustible wind energy power of nature, is the particularly most economical feasible power supply mode of remote countryside of windy area.The wind energy converting member is one of critical component of wind-power generating system, is that wind energy is converted to mechanical energy, to provide wind-driven generator required running torque; Fan blade then is the key among the key, and whether fan blade design reasonable, be related to its wind that produces cut the size of noise, take up room how much.Using more wind-power generating system now is that fan blade is installed in perpendicular to rotating shaft in the rotating shaft at middle part along its length direction, and it is big that the wind that such wind-driven generator produces is cut noise, is exactly that the machine dead weight is excessive in addition, and it is many to take up room; Being not suitable for ordinary family and little company uses.
Summary of the invention
The purpose of this utility model is to overcome the deficiencies in the prior art, provide a kind of wind that can reduce wind-driven generator cut noise, from heavy and light, the fan blade device that occupies little space.
The purpose of this utility model is to be achieved through the following technical solutions:
The fan blade device of the utility model wind-power generating system, comprise fan blade, rotating shaft, sleeve pipe, generator, it is characterized in that: rotating shaft is arranged perpendicular, described fan blade has three and be lengthy motion picture shape, cross section and adopt the NACA0009 aerofoil profile, fan blade is connected in the rotating shaft by bindiny mechanism, its length direction is parallel to shaft axis, chord length direction perpendicular to shaft axis, and the lower end of rotating shaft is fixedly connected with sleeve pipe, connects generator by sleeve pipe.
As further improvement:
Described bindiny mechanism comprises the upper and lower link that is provided with in advance in the upper and lower erection joint on the fan blade, rotating shaft, by link along the radially fixedly connected paired upper and lower crossbeam of rotating shaft; One end of above-mentioned crossbeam is fixedlyed connected with the link in the rotating shaft, the other end is fixedlyed connected with the erection joint on the fan blade.
Aluminum alloy material is adopted in described erection joint, and this erection joint is connected with crossbeam by bolt, nut.
The flange plate of described link for fixedlying connected with rotating shaft by key, groove, this flange plate surface is provided with groove, and an end end of crossbeam is provided with the projection with groove fit, and crossbeam is fixedlyed connected by groove, projection and bolt, nut with flange plate.
Described fan blade adopts the polymer composite solidifying.
Carbon steel material is adopted in described rotating shaft.
Described sleeve pipe adopts the S45C steel.
Of the present utility model having the following advantages:
The utility model adopts vertical shaft-type, fan blade employing length direction is parallel to shaft axis, the chord length direction is connected with rotating shaft perpendicular to the mode of shaft axis, need not be according to the direction of change of the wind windmill, it is little to take up room, noise is very little, can be installed in the position such as roof, garden of dwelling house,, also can not disturb the neighbour even be installed in the compact district of dwelling house etc.; Fan blade is lengthy motion picture shape, cross section adopts the NACA0009 aerofoil profile, can at utmost utilize wind energy; The connection of each parts is reasonable, makes between the parts self resistance little; Fan blade adopts polymer composite solidifying, rotating shaft to adopt carbon steel material, erection joint to adopt aluminum alloy material, the fan blade device of above material has favorable durability, corrosion resistance, applicable to the inland of temperature variation between-55 ℃ /+70 ℃, desert, the various rugged environment in region such as coastal, as sand and dust, salt fog, humid climate, the durability was 20 years.
Description of drawings
Fig. 1 is a schematic perspective view of the present utility model.
Fig. 2 is the enlarged view of A portion among Fig. 1.
Fig. 3 is the enlarged view of B portion among Fig. 1.
Fig. 4 is the schematic representation of flange plate among Fig. 1.
Fig. 5 is the cross sectional representation of fan blade among Fig. 1.
Fig. 6 is along the cut-away view of C-C direction among Fig. 2.
Embodiment
As shown in Figure 1.This device adopts vertical shaft-type, and the middle part is provided with vertical rotation axis 2, and rotating shaft 2 is connected with three fan blades 1 by bindiny mechanism, and the lower end of rotating shaft 2 connects generator 6 by hollow bushing 5.
As Fig. 1, Fig. 3, shown in Figure 5.Fan blade 1 adopts the polymer composite solidifying, this composite material light weight, durable, and individual blade weight is less than 2 kilograms; Its cross section is used modern technical aeronautics and is designed, and adopts the NACA0009 aerofoil profile: two-sided symmetrical convex arc line style, 200 millimeters of chord lengths, 18 millimeters of thickests, 2400 millimeters of the length of being.On fan blade 1, be shaped on aluminum alloy erection joint 10 respectively in advance.The current potential of the aluminum alloy part that polymer composite that fan blade 1 adopts and erection joint 10 are adopted is approaching, to prevent electrochemical corrosion.
As Fig. 1, Fig. 2, Fig. 4, shown in Figure 6.The carbon steel material of durable is adopted in rotating shaft 2, is fixedly connected with upper and lower flange plate 41,42 by tack parallel key GB1096-79 B 10*50 in rotating shaft 2, and the distance between the upper and lower flange plate 41,42 can be determined according to actual needs; The fixedly connected hollow bushing 5 in the lower end of rotating shaft 2, these hollow bushing 5 lower ends connect generator 6.Offer the installation groove 14 that is evenly distributed on the surface of upper and lower flange plate 41,42 respectively.Rotating shaft 2 is fixedlyed connected by crossbeam 3 with fan blade 1, and crossbeam 3 one ends are connected with aluminum alloy erection joint 10, the end of the other end is provided with the projection 15 that groove 14 cooperates is installed, and the groove 14 of crossbeam 3 cooperates installation with the projection 15 of flange plate.The length that hollow bushing 5 adopts the S45C steel to make is that 200 millimeters, external diameter are that 100 millimeters, internal diameter are 90 millimeters.
As Fig. 1, Fig. 2, shown in Figure 3.Crossbeam 3 and aluminum alloy erection joint 10 are fastening by GB5782-86M5*30 bolt 7, GB1337-77 M5 nut 8, GB97.285 5 100HV pads 9, and crossbeam 3 and flange plate 41 (42) are fastening by GB5782-86 M5*30 bolt 11, GB1337-77 M5 nut 12, GB97.285 5 100HV pads 13.The axial line distance of the axis of rotating shaft 2 and fan blade 1 is 1660 millimeters.Fan blade 12 turning radius that rotate around the shaft is 1660 millimeters.
Aluminum alloy part and steel part are prevented oxidation by surface treatment.Each assembly all adopts nontoxic, free of contamination environment-friendly materials manufacturing, in order to avoid environment is damaged.The varying load when taking into full account environmental change and use in the design and the performance of material, the safety coefficient height.
Claims (7)
1, the fan blade device of wind-power generating system, comprise fan blade, rotating shaft, sleeve pipe, generator, it is characterized in that: rotating shaft is arranged perpendicular, described fan blade has three and be lengthy motion picture shape, cross section and adopt the NACA0009 aerofoil profile, fan blade is connected in the rotating shaft by bindiny mechanism, its length direction is parallel to shaft axis, chord length direction perpendicular to shaft axis, and the lower end of rotating shaft is fixedly connected with sleeve pipe, connects generator by sleeve pipe.
2, the fan blade device of wind-power generating system according to claim 1 is characterized in that: described bindiny mechanism is included in the upper and lower link that is provided with in the prefabricated upper and lower erection joint in fan blade surface, the rotating shaft, by the radially fixedly connected paired upper and lower crossbeam of link along rotating shaft; One end of above-mentioned crossbeam is fixedlyed connected with the link in the rotating shaft, the other end is fixedlyed connected with the erection joint on the fan blade.
3, the fan blade device of wind-power generating system according to claim 2 is characterized in that: aluminum alloy material is adopted in described erection joint, and this erection joint is connected with crossbeam by bolt, nut.
4, the fan blade device of wind-power generating system according to claim 2, it is characterized in that: the flange plate of described link for fixedlying connected with rotating shaft by key, groove, this flange plate surface is provided with groove, one end end of crossbeam is provided with the projection with groove fit, and crossbeam is fixedlyed connected by groove, projection and bolt, nut with flange plate.
5, the fan blade device of wind-power generating system according to claim 1 is characterized in that: described fan blade adopts the polymer composite solidifying.
6, the fan blade device of wind-power generating system according to claim 1 is characterized in that: carbon steel material is adopted in described rotating shaft.
7, the fan blade device of wind-power generating system according to claim 1 is characterized in that: described sleeve pipe adopts the S45C steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2004200381715U CN2683891Y (en) | 2004-01-15 | 2004-01-15 | Fan blade device of wind power generating system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2004200381715U CN2683891Y (en) | 2004-01-15 | 2004-01-15 | Fan blade device of wind power generating system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2683891Y true CN2683891Y (en) | 2005-03-09 |
Family
ID=34607575
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2004200381715U Expired - Fee Related CN2683891Y (en) | 2004-01-15 | 2004-01-15 | Fan blade device of wind power generating system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2683891Y (en) |
-
2004
- 2004-01-15 CN CNU2004200381715U patent/CN2683891Y/en not_active Expired - Fee Related
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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 |