CN201339537Y - Wheel hub of small and medium-sized wind-powered generator - Google Patents
Wheel hub of small and medium-sized wind-powered generator Download PDFInfo
- Publication number
- CN201339537Y CN201339537Y CNU2008201704810U CN200820170481U CN201339537Y CN 201339537 Y CN201339537 Y CN 201339537Y CN U2008201704810 U CNU2008201704810 U CN U2008201704810U CN 200820170481 U CN200820170481 U CN 200820170481U CN 201339537 Y CN201339537 Y CN 201339537Y
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- CN
- China
- Prior art keywords
- wheel hub
- size
- fan blade
- shaft
- small
- 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
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- Wind Motors (AREA)
Abstract
The utility model relates to a wheel hub of a small and medium-sized wind-powered generator, which mainly comprises a wheel hub body, a wheel hub spoke tube and a fan blade connecting shaft. The fan blade connecting shaft is arranged in the wheel hub spoke tube; the tail part of the fan blade connecting shaft is fixedly connected with a crank; the crank is movably connected with a connecting rod; the other end of the connecting rod is connected with a synchronous disc through a hinge; the synchronous disc is fixedly connected with a spline shaft; the lower end of the spline shaft is connected with a reciprocating pull rod; and the connecting combination between the spline shaft and the reciprocating pull rod is vertical to the plane with the rotating axle center of the fan blade and is arranged on the central line of the wheel hub body. The utility model has the advantages of simple structure, convenient disassembly and installation and reliable transmission and operation between mechanisms. In particular, the pitch control of different fan blades can be accurately synchronized. Therefore, the utility model also has the advantages of long service life of the transmission part, durability, self lubrication and the like.
Description
Technical field
The utility model relates to wind-driven generator, particularly middle-size and small-size paddle changing wind power generator wheel hub.
Background technique
Growing along with wind generating technology, middle-size and small-size wind-driven generator variable propeller pitch technology is used more and more widely, and the general reliability of wind-driven generator variable propeller pitch mechanism is relatively poor, change oar synchronism between each fan blade is relatively poor, and drive part mainly is because wearing and tearing are very fast owing to need continual continuous firing shorter relatively working life.
Summary of the invention
The purpose of this utility model is to provide a kind of rotation motion conversion to-and-fro motion reliable for the deficiency that solves above-mentioned technology, easy installation and removal, the middle-size and small-size paddle changing wind power generator wheel hub of its wind wheel fan blade precise synchronization.
In order to achieve the above object, the middle-size and small-size paddle changing wind power generator wheel hub that the utility model is designed, mainly form by hub body, wheel hub radial canal, fan blade coupling shaft, wherein in setting of fan blade coupling shaft and the wheel hub radial canal, fan blade coupling shaft afterbody is fixedlyed connected with crank, be connected with connecting rod on the crank, the other end hinge of connecting rod is connected on the synchronous disk, synchronous disk is fixedlyed connected with splined shaft, the lower end of splined shaft connects reciprocal pull bar, splined shaft and back and forth pull bar be connected the plane of combination vertical in fan blade axis of rotation place, and be arranged on the shaft axis of hub body.By synchronous disk, connecting rod, crank and fan blade coupling shaft are realized the conversion between rotation motion and the to-and-fro motion.
Connect by joint shaft bearing between its described crank and the connecting rod, to increase the working life that connects between crank and the connecting rod.In order to limit the movement position between the mechanism accurately, described splined shaft is connected with the spline housing that is fixed on the hub body, stop relatively rotating between splined shaft and the hub body, the splined shaft top is fixed by tight fixed bolt and synchronous disk, the splined shaft bottom is fixed by straight pin and reciprocal pull bar, back and forth pull bar is through motor shaft, and motor shaft cooperates fixing with hub body by the swelling cover, prevents moving horizontally of motor shaft and reciprocal pull bar.
Its described fan blade coupling shaft is installed in the wheel hub radial canal by bearing support and first tapered roller bearing and second tapered roller bearing, connect the position that the tip of the axis is provided with hexagon nut restriction tapered roller bearing at fan blade, make the fan blade coupling shaft freely to rotate in the wheel hub radial canal, the hexagon nut inboard is provided with oil baffle disc.Hub body is provided with at least two wheel hub radial canals, and the quantity of wheel hub radial canal is generally three.
The resulting middle-size and small-size hub of wind power generator of the utility model, simple in structure, can remove and install the transmission between each mechanism, reliable easily.Change oar between particularly can the precise synchronization fan blade, it is long, not easy to wear to have a drive part life-span, characteristics such as selflubricating.
Description of drawings
Fig. 1 is the utility model plan view;
Fig. 2 is the utility model side view;
Fig. 3 is the utility model sectional view.
Embodiment
The utility model will be further described in conjunction with the accompanying drawings below by embodiment.
Embodiment 1
As Fig. 1, Fig. 2, shown in Figure 3, the middle-size and small-size hub of wind power generator that present embodiment is described, mainly by hub body 1, wheel hub radial canal 2, fan blade coupling shaft 3 is formed, wherein in 3 settings of fan blade coupling shaft and the wheel hub radial canal 2, and the front portion in fan blade coupling shaft 3 and wheel hub radial canal 2 cooperation places is provided with first oil sealing 7 and second oil sealing 12, fan blade coupling shaft 3 afterbodys are fixedlyed connected with crank 9, be connected with connecting rod 5 on the crank 9, the other end of connecting rod 5 is connected on the synchronous disk 18 by locking nut 6 hinges, synchronous disk 18 is fixedlyed connected with splined shaft 4, the lower end of splined shaft 4 connects reciprocal pull bar 22, splined shaft 4 and back and forth pull bar 22 be connected the plane of combination vertical in fan blade axis of rotation place, and be arranged on the shaft axis of hub body 1.Connect by joint shaft bearing 16 between its described crank 9 and the connecting rod 5, to increase the working life that connects between crank and the connecting rod and to rotate freely cooperation.Described splined shaft 4 is connected with the spline housing 17 that is fixed on the hub body 1, stop relatively rotating between splined shaft and the hub body, splined shaft 4 tops are fixing with synchronous disk 18 by pressing closer bolt 19, splined shaft 4 bottoms are fixed by straight pin 15 and reciprocal pull bar 22, back and forth pull bar 22 runs through and motor shaft 21, motor shaft 21 cooperates fixing with hub body 1 by swelling cover 20, prevent moving horizontally of motor shaft and reciprocal pull bar.Its described fan blade coupling shaft 3 is installed in the wheel hub radial canal 2 by bearing support and first tapered roller bearing 10 and second tapered roller bearing 11, be provided with the position of hexagon nut 13 restriction tapered roller bearings at the end of fan blade coupling shaft 3, fastening by round nut 14 secondaries again, make the fan blade coupling shaft to have only rotation in the wheel hub radial canal, hexagon nut 13 inboards are provided with oil baffle disc 8.The quantity of wheel hub radial canal 2 is three.
Wherein, the permission bearing capacity of second tapered roller bearing 11 will be much larger than first tapered roller bearing 10, because wheel hub second tapered roller bearing 11 in the course of the work will bear centrifugal force, fan blade deadweight and the certain radial load that the wind wheel high speed rotating is produced, and 10 need of first tapered roller bearing bear fan blade deadweight and certain radial load.Hub body 1 generally can adopt cast member, and material is selected cast steel or spheroidal graphite cast iron for use.The wheel hub radial canal is that available weldment also can be selected foundry goods for use.
During work, as long as give reciprocal pull bar 22 to-and-fro motion, thereby produce rotation motion around the axle center by synchronous disk 18 drive joint shaft bearings 16 and 9 fan blade coupling shafts 3 of connecting rod 5 traction cranks. realized that promptly the straight reciprocating motion of wheel hub draw-in bar is converted into the rotation motion of required feather.
Claims (8)
1. one kind middle-size and small-size paddle changing wind power generator wheel hub, mainly by hub body (1), wheel hub radial canal (2), fan blade coupling shaft (3) is formed, wherein in fan blade coupling shaft (3) setting and the wheel hub radial canal (2), it is characterized in that fan blade coupling shaft (3) afterbody fixedlys connected with crank (9), be connected with connecting rod (5) on the crank (9), the other end hinge of connecting rod (5) is connected on the synchronous disk (18), synchronous disk (18) is fixedlyed connected with splined shaft (4), the lower end of splined shaft (4) connects reciprocal pull bar (22), splined shaft (4) and back and forth pull bar (22) be connected the plane of combination vertical in fan blade axis of rotation place, and be arranged on the shaft axis of hub body (1).
2. middle-size and small-size paddle changing wind power generator wheel hub according to claim 1 is characterized in that connecting by joint shaft bearing (16) between described crank (9) and the connecting rod (5).
3. middle-size and small-size paddle changing wind power generator wheel hub according to claim 1 and 2, it is characterized in that described splined shaft (4) and the spline housing (17) that is fixed on the hub body (1) are connected, splined shaft (4) top is fixing with synchronous disk (18) by pressing closer bolt (19), splined shaft (4) bottom is fixing with reciprocal pull bar (22) by straight pin (15), back and forth pull bar (22) runs through and motor shaft (21), and motor shaft (21) cooperates fixing with hub body (1) by swelling cover (20).
4. middle-size and small-size paddle changing wind power generator wheel hub according to claim 1 and 2, it is characterized in that described fan blade coupling shaft (3) is installed in the wheel hub radial canal (2) by bearing support and first tapered roller bearing (10) and second tapered roller bearing (11), be provided with the position of hexagon nut (13) restriction tapered roller bearing at the end of fan blade coupling shaft (3).
5. middle-size and small-size paddle changing wind power generator wheel hub according to claim 3, it is characterized in that described fan blade coupling shaft (3) is installed in the wheel hub radial canal (2) by bearing support and first tapered roller bearing (10) and second tapered roller bearing (11), be provided with the position of hexagon nut (13) restriction tapered roller bearing at the end of fan blade coupling shaft (3).
6. middle-size and small-size paddle changing wind power generator wheel hub according to claim 4 is characterized in that described hexagon nut (13) inboard is provided with oil baffle disc (8).
7. middle-size and small-size paddle changing wind power generator wheel hub according to claim 5 is characterized in that described hexagon nut (13) inboard is provided with oil baffle disc (8).
8. middle-size and small-size paddle changing wind power generator wheel hub according to claim 5 is characterized in that described hub body (1) is provided with at least two wheel hub radial canals (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201704810U CN201339537Y (en) | 2008-12-25 | 2008-12-25 | Wheel hub of small and medium-sized wind-powered generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201704810U CN201339537Y (en) | 2008-12-25 | 2008-12-25 | Wheel hub of small and medium-sized wind-powered generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201339537Y true CN201339537Y (en) | 2009-11-04 |
Family
ID=41235083
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201704810U Expired - Fee Related CN201339537Y (en) | 2008-12-25 | 2008-12-25 | Wheel hub of small and medium-sized wind-powered generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201339537Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101852173A (en) * | 2010-06-04 | 2010-10-06 | 浙江华鹰风电设备有限公司 | Downwind pitch-controlled wind-driven generator |
| CN103174586A (en) * | 2011-12-22 | 2013-06-26 | 大银微***股份有限公司 | Blade pitch angle control mechanism of wind driven generator |
| CN110546377A (en) * | 2017-02-23 | 2019-12-06 | 海风海洋工业知识产权有限公司 | Joint for the vibratory connection of a rotor of a wind turbine to a crankshaft |
-
2008
- 2008-12-25 CN CNU2008201704810U patent/CN201339537Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101852173A (en) * | 2010-06-04 | 2010-10-06 | 浙江华鹰风电设备有限公司 | Downwind pitch-controlled wind-driven generator |
| CN103174586A (en) * | 2011-12-22 | 2013-06-26 | 大银微***股份有限公司 | Blade pitch angle control mechanism of wind driven generator |
| CN110546377A (en) * | 2017-02-23 | 2019-12-06 | 海风海洋工业知识产权有限公司 | Joint for the vibratory connection of a rotor of a wind turbine to a crankshaft |
| CN110546377B (en) * | 2017-02-23 | 2021-05-28 | 海风海洋工业知识产权有限公司 | Joint for the vibratory connection of a rotor shaft of a wind turbine |
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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: 20091104 Termination date: 20161225 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |