CN203685474U - Wind driven generator centrifugal weight speed adjusting type variable pitch mechanism - Google Patents
Wind driven generator centrifugal weight speed adjusting type variable pitch mechanism Download PDFInfo
- Publication number
- CN203685474U CN203685474U CN201320847707.7U CN201320847707U CN203685474U CN 203685474 U CN203685474 U CN 203685474U CN 201320847707 U CN201320847707 U CN 201320847707U CN 203685474 U CN203685474 U CN 203685474U
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- CN
- China
- Prior art keywords
- flywheel
- push rod
- wind
- driven generator
- main shaft
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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 relates to a wind driven generation device, in particular to a wind driven generator centrifugal weight speed adjusting type variable pitch mechanism which comprises a flywheel, a top rod inserted in the axis position of the flywheel and a plurality of hinge shaft seats evenly distributed on the periphery of the flywheel. The hinge shaft seats are fixedly connected onto the flywheel, a crank arm is hinged to each hinge shaft seat, a press disc and a spring seat which are arranged on two sides of the flywheel are arranged on the top rod, and a resetting spring is arranged between the spring seat and the flywheel. A heavy weight is arranged at the outer end of the crank arm, and the inner end of the crank arm extends to a gap between the flywheel and the press disc. The mechanism utilizes rotating centrifugal force to control variable pitch to enable the windward angle of paddles to be changed. The working parameter can be adjusted according to requirements, the structure is simple, the effect of natural force can be completely utilized, and additional power sources are not required.
Description
Technical field
The utility model relates to a kind of wind generating unit, is a kind of wind-driven generator centrifugal hammer speed adjusting type blade pitch device specifically.
Background technique
Utilizing natural wind to carry out wind-power electricity generation is the mankind's making full use of renewable energy sources.The feature with flexible, pollution-free, protection of the environment easy for installation, is more and more subject to people's attention.But also there is suddenly big or suddenly small, the unstable feature of wind speed in natural wind simultaneously, and too large wind-force not only can not finely generate electricity, and is also easy to damage blower fan, causes unnecessary loss.Therefore, in design wind power plant, must consider to tackle the method for strong wind.In prior art generator reply strong wind method can be divided into two classes: the first kind is lateral deviation regulating device, and the time wind wheel occurring at strong wind departs from prevailing wind direction, to little wind turbine speed governing shakiness, slow in one's movements to large wind turbine speed governing.Equations of The Second Kind is to become oar regulable speed type, the oar of drive vane change at present roll adjustment mainly contains two kinds of power, the one, drive and become oar by the mechanical force of self, this device reliability and validity are inadequate, the 2nd, drive and become oar by additionaling power, this device is manufactured, installation difficulty is large, somewhat expensive, will lose change oar function once lose external impetus, be not easy to middle-size and small-size wind turbine and promote the use of.
Summary of the invention
The purpose of this utility model be to provide a kind of simple in structure, can accurate adjustment running parameter, without the wind-driven generator centrifugal hammer speed adjusting type blade pitch device of additionaling power.
For achieving the above object, the utility model adopts following technological scheme:
Wind-driven generator centrifugal hammer speed adjusting type blade pitch device described in the utility model comprises flywheel, is inserted into the push rod at flywheel axle center place, is evenly distributed on flywheel multiple hinged blocks around, described hinged block is fixedly connected on flywheel, on described hinged block, be hinged with connecting lever, on described push rod, with the platen and the spring seat that lay respectively at flywheel both sides, between described spring seat and flywheel, be provided with return spring; The outer end of described connecting lever is provided with weight, and the inner of described connecting lever extends in the space between flywheel and platen.
Between described push rod and flywheel, install by spline fitted.
Described flywheel is coaxially fixedly connected with the main shaft of wind-driven generator, and described push rod is in transmission connection with the control end of the shutoff valve of controlling hydraulic jack, and described hydraulic jack is connected on the change oar operating mechanism of wind-driven generator.
Described flywheel is coaxially fixedly connected with the main shaft of wind-driven generator, described wind-driven generator comprises the main shaft being arranged in generator casing, be arranged on the blade on main shaft top, between the two ends of main shaft and shell, bearing is installed, the stage casing of main shaft is installed with rotor, on the inwall of the shell of rotor surrounding, be installed with stator, described main shaft is hollow shaft, the front end that main shaft is positioned at beyond shell is fixedly connected with wheel hub, two above bearing supports are installed to equal angles on described wheel hub, in described bearing support, blade shank is installed, described blade is fixedly mounted on the top of blade shank, slidably push rod is installed in the cavity of main shaft, and the front end of described push rod stretches out beyond main shaft, and by bearing, push rod dish is installed, and described push rod dish is connected on blade shank by connecting lever, the rear end of push rod is coaxially fixedly connected with push rod beyond stretching out shell.
The centrifugal force controlled of this wind-driven generator centrifugal hammer speed adjusting type blade pitch device utilization rotation becomes oar, and the angle windward of blade is changed.Its running parameter can adjust as required, simple in structure, can rely on the effect of natural wind completely, without extra power resources.
Brief description of the drawings
Fig. 1 is an embodiment's of the utility model structural representation.
Fig. 2 is the structural representation that embodiment of the utility model coordinates with wind-driven generator.
Fig. 3 is the structural representation of wind-driven generator front-end face.
Embodiment
As shown in Figure 1, wind-driven generator centrifugal hammer speed adjusting type blade pitch device described in the utility model comprises flywheel 1, is inserted into the push rod 2 at flywheel 1 axle center place, is evenly distributed on flywheel 1 multiple hinged blocks 3 around, described hinged block 3 is fixedly connected on flywheel 1, on described hinged block 3, be hinged with connecting lever 4, on described push rod 2, with the platen 5 and the spring seat 6 that lay respectively at flywheel 1 both sides, between described spring seat 6 and flywheel 1, be provided with return spring 7; The outer end of described connecting lever 4 is provided with weight 8, and the inner of described connecting lever 4 extends in the space between flywheel 1 and platen 5.When flywheel 1 rotates, the centrifugal force that weight 8 produces makes the inner of connecting lever 4 by platen 5 jack-up, moves thereby promote push rod 2, and the rotating speed of flywheel 1 is faster, and the distance that push rod 2 moves is larger.
Between described push rod 2 and flywheel 1, install by spline fitted.Can make like this push rod 2 and flywheel 1 synchronous rotary, avoid producing too much friction between the two.
As shown in Figure 2, described flywheel 1 is coaxially fixedly connected with the main shaft of wind-driven generator, and described push rod 2 is in transmission connection with the control end of the shutoff valve 10 of controlling hydraulic jack 9, and described hydraulic jack 9 is connected on the change oar operating mechanism of wind-driven generator.So just can control the action that becomes oar operating mechanism by hydraulic jack 9.
As shown in Figure 3, described flywheel 1 is coaxially fixedly connected with the main shaft of wind-driven generator, described wind-driven generator comprises the principal axis A 2 being arranged in generator casing A1, be arranged on the blade A3 on principal axis A 2 tops, between the two ends of principal axis A 2 and shell A1, bearing is installed, the stage casing of principal axis A 2 is installed with rotor A 4, on the inwall of the shell A1 of rotor A 4 surroundings, be installed with stator A5, described principal axis A 2 is hollow shaft, the front end that principal axis A 2 is positioned at beyond shell A1 is fixedly connected with wheel hub A6, two above bearing support A7 are installed to the upper equal angles of described wheel hub A6, in described bearing support A7, blade shank A8 is installed, described blade A3 is fixedly mounted on the top of blade shank A8, slidably push rod A9 is installed in the cavity of principal axis A 2, and the front end of described push rod A9 stretches out beyond principal axis A 2, and by bearing, push rod dish A10 is installed, and described push rod dish A10 is connected on blade shank A8 by connecting lever A11, the rear end of push rod A9 is coaxially fixedly connected with push rod 2 beyond stretching out shell A1.
In blower fan when work,, Wind power propelling blade A3 drives principal axis A 2 to rotate, when principal axis A 2 is rotated between stator A5 and rotor A 4 cutting magnetic line, generation current.Meanwhile, flywheel 1 synchronous rotary, the centrifugal force that weight 8 produces makes the inner of connecting lever 4 by platen 5 jack-up, thereby promoting push rod 2 moves, promote the axial motion of push rod dish A10 along principal axis A 2 by push rod A9, and pull the certain angle of blade shank A8 deflection by connecting lever A11 and leaf bar dish, wind-force is larger, the deflection angle of blade A3 is larger, reaches the object of automatic change oar.
Claims (4)
1. wind-driven generator centrifugal hammer speed adjusting type blade pitch device, comprise flywheel (1), be inserted into flywheel (1) axle center place push rod (2), be evenly distributed on flywheel (1) multiple hinged blocks (3) around, described hinged block (3) is fixedly connected on flywheel (1), it is characterized in that: on described hinged block (3), be hinged with connecting lever (4), described push rod (2) is upper with the platen (5) and the spring seat (6) that lay respectively at flywheel (1) both sides, between described spring seat (6) and flywheel (1), is provided with return spring (7); The outer end of described connecting lever (4) is provided with weight (8), and the inner of described connecting lever (4) extends in the space between flywheel (1) and platen (5).
2. wind-driven generator centrifugal hammer speed adjusting type blade pitch device according to claim 1, is characterized in that: between described push rod (2) and flywheel (1), install by spline fitted.
3. wind-driven generator centrifugal hammer speed adjusting type blade pitch device according to claim 1 and 2, it is characterized in that: described flywheel (1) is coaxially fixedly connected with the main shaft of wind-driven generator, described push rod (2) is in transmission connection with the control end of the shutoff valve (10) of controlling hydraulic jack (9), and described hydraulic jack (9) is connected on the change oar operating mechanism of wind-driven generator.
4. wind-driven generator centrifugal hammer speed adjusting type blade pitch device according to claim 1 and 2, it is characterized in that: described flywheel (1) is coaxially fixedly connected with the main shaft of wind-driven generator, described wind-driven generator comprises the main shaft (A2) being arranged in generator casing (A1), be arranged on the blade (A3) on main shaft (A2) top, between the two ends of main shaft (A2) and shell (A1), bearing is installed, the stage casing of main shaft (A2) is installed with rotor (A4), on the inwall of the shell (A1) of rotor (A4) surrounding, be installed with stator (A5), described main shaft (A2) is hollow shaft, main shaft (A2) is positioned at shell (A1) front end in addition and is fixedly connected with wheel hub (A6), two above bearing supports (A7) are installed to the upper equal angles of described wheel hub (A6), blade shank (A8) is installed in described bearing support (A7), described blade (A3) is fixedly mounted on the top of blade shank (A8), slidably push rod (A9) is installed in the cavity of main shaft (A2), the front end of described push rod (A9) stretches out main shaft (A2) in addition, and by bearing, push rod dish (A10) being installed, described push rod dish (A10) is connected on blade shank (A8) by connecting lever (A11), the rear end of push rod (A9) is stretched out shell (A1) and is coaxially fixedly connected with push rod (2) in addition.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320847707.7U CN203685474U (en) | 2013-12-21 | 2013-12-21 | Wind driven generator centrifugal weight speed adjusting type variable pitch mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320847707.7U CN203685474U (en) | 2013-12-21 | 2013-12-21 | Wind driven generator centrifugal weight speed adjusting type variable pitch mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203685474U true CN203685474U (en) | 2014-07-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320847707.7U Expired - Fee Related CN203685474U (en) | 2013-12-21 | 2013-12-21 | Wind driven generator centrifugal weight speed adjusting type variable pitch mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203685474U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104675622A (en) * | 2014-12-02 | 2015-06-03 | 青岛金博士自动化技术有限公司 | Wind driven generator with variable-pitch device and control method of wind driven generator |
-
2013
- 2013-12-21 CN CN201320847707.7U patent/CN203685474U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104675622A (en) * | 2014-12-02 | 2015-06-03 | 青岛金博士自动化技术有限公司 | Wind driven generator with variable-pitch device and control method of wind driven generator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140702 Termination date: 20141221 |
|
| EXPY | Termination of patent right or utility model |