CN103352801B - centrifugal variable-pitch wind driven generator - Google Patents

centrifugal variable-pitch wind driven generator Download PDF

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Publication number
CN103352801B
CN103352801B CN201310286219.8A CN201310286219A CN103352801B CN 103352801 B CN103352801 B CN 103352801B CN 201310286219 A CN201310286219 A CN 201310286219A CN 103352801 B CN103352801 B CN 103352801B
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blade
centrifugal body
centrifugal
sliding sleeve
oar
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CN201310286219.8A
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CN103352801A (en
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张成革
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JIANGSU TIANNENG MARINE HEAVY INDUSTRY Co.,Ltd.
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张成革
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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 present invention relates to a kind of centrifugal variable-pitch wind driven generator, it includes blade and propeller hub, the centrifugal body sliding sleeve be connected with blade is provided with in described blade, centrifugal body sliding sleeve is hollow tubular, in centrifugal body sliding sleeve, centrifugal body is installed, described centrifugal body with between blade be threaded or be connected by lever rocker arrangement or by wireline pulley device be connected.The present invention is arranged in blade due to centrifugal body sliding sleeve, is convenient to centrifugal body and slides in blade.The firm safety of blade can be done large.Because centrifugal body is arranged in blade, can be outer as far as possible, but can not produce noise and resistance, because centrifugal body is near blade point, centrifugal body only needs less weight just can produce larger centrifugal variation paddle power.Become vane angle and can reach 90 degree, adapt to various wind speed, rotating speed low noise is little meets environmental protection concept less to birds injury.Structure is simple, and cost is low, and become oar sensitive, anti-fitful wind ability is strong.

Description

Centrifugal variable-pitch wind driven generator
Technical field
The present invention relates to a kind of wind-driven generator, especially relate to a kind of centrifugal variable-pitch wind driven generator be hidden in by centrifugal body in blade.
Technical background
Wind-power electricity generation is inexhaustible clean energy resource, MW class very perfect, middle-size and small-size need perfect.Utilize centrifugal variation paddle smooth running, structure is simple, centrifugal variation paddle has three kinds of forms at present: one is as centrifugal object by overall blade, blade is arranged in spiral chute, blade rotates and becomes oar while outwards sliding, its shortcoming is that blade is excessive as centrifugal object weight, once blade non synchronous vibration is larger.Another kind installs centrifugal-block in propeller hub, and blade only rotates and outwards do not slide, safety, but because centrifugal-block is near center, need higher rotation speed to produce centrifugal variation paddle power, so can not do large.Also have one to be arranged on outside propeller hub by centrifugal bar, the centrifugal force that centrifugal bar obtains adds, and that wind-driven generator can be done is larger, but centrifugal bar can produce resistance and noise, and rotating speed is still high than other rotating speed becoming paddle type formula of same power, there is injury to birds, unfavorable environmental protection.
Summary of the invention
The present invention is directed to problems of the prior art and a kind of centrifugal variable-pitch wind driven generator is provided, centrifugal body is hidden in blade by this wind-driven generator, because centrifugal body is near blade point, centrifugal body only needs less weight just can produce larger centrifugal variation paddle power, and rotating speed is low, safety and environmental protection.
The technical solution used in the present invention is:
Centrifugal variable-pitch wind driven generator, include blade and propeller hub, the centrifugal body sliding sleeve be connected with blade is provided with in described blade, centrifugal body sliding sleeve is hollow tubular, in centrifugal body sliding sleeve, centrifugal body is installed, described centrifugal body with between blade be unitary design or be connected by lever rocker arrangement or by wireline pulley device be connected.
Described centrifugal body is cylindrical body.
Described wireline pulley device includes wire rope, static pulley, swash plate, change oar connecting rod, eccentric shaft and returning pull-spring, one end of described wire rope is connected to the inner of centrifugal body, be connected on swash plate after the other end of wire rope walks around static pulley direction degree of change, static pulley is arranged in propeller hub, returning pull-spring one end is fixed on the other end on propeller hub and is fixed on swash plate, and swash plate is connected with the eccentric shaft of propeller shank by becoming oar connecting rod.
Described lever rocker arrangement includes centrifugal body axle Xiao, lever, lever shaft, rocking arm, connecting rod, synchronous disk, change oar connecting rod, eccentric shaft and returning pull-spring, described centrifugal body is movably connected in one end of lever by centrifugal body axle Xiao; rocking arm and lever perpendicular; rocking arm and lever are arranged on propeller hub by lever shaft; the other end of rocking arm is flexibly connected with synchronous disk by connecting rod; returning pull-spring one end is fixed on the other end on propeller hub and is fixed on swash plate, and synchronous disk is flexibly connected with propeller shank eccentric shaft by becoming oar connecting rod.
Described centrifugal variable-pitch wind driven generator is provided with wind speed rudder and becomes oar arresting gear; described wind speed rudder becomes oar arresting gear and includes wind speed rudder, wind speed rudder stock, become oar synchronizing shaft bearing and become oar synchronizing shaft; described wind speed rudder is connected with wind speed rudder stock; wind speed rudder stock is connected by becoming oar tappet and change oar synchronizing shaft bearing and becoming oar synchronizing shaft, and change oar synchronizing shaft passes generator hollow shaft and is connected with synchronous disk.
Be threaded connection between described centrifugal body and blade, blade is fixed on propeller hub, blade end inside is provided with nut, one end of centrifugal body is connected with blade point, the other end end of centrifugal body is provided with screw thread, centrifugal body is connected with banking stop through after nut, and banking stop is connected with one end of returning pull-spring, and the other end of returning pull-spring is fixed on propeller hub.
The advantage that the present invention has and effect are:
The present invention is arranged in blade due to centrifugal body sliding sleeve, makes blade form cavity, is convenient to centrifugal body and slides in blade.Because just centrifugal body reciprocatingly slides, blade only rotates and does not outwards slide, so the firm safety of blade can be done large.Because centrifugal body is arranged in blade, can be outer as far as possible, but noise and resistance can not be produced, because centrifugal body is near blade point, centrifugal body only needs less weight just can produce larger centrifugal variation paddle power, and the increase rotating speed namely need not had a mind to also increases without usage charges distance labour-saving mode and becomes oar power.Because usage charges distance labour-saving mode does not increase change oar power, so become vane angle can reach 90 degree, adapt to various wind speed, rotating speed low noise is little meets environmental protection concept less to birds injury.Structure is simple, and cost is low, and become oar sensitive, anti-fitful wind ability is strong.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention shown in embodiment 1;
Fig. 2 is the structural representation of the present invention shown in embodiment 2;
Fig. 3 is the structural representation of the present invention shown in embodiment 3.
In figure: 1, blade, 2, centrifugal body sliding sleeve, 3, centrifugal body, 4, eccentric shaft, 5, lever shaft, 6, rocking arm, 7, lever, 8, connecting rod, 9, returning pull-spring, 10, propeller hub, 11, synchronous disk, 12, generator, 13 generator hollow shafts, 14, become oar synchronizing shaft, 15, become oar synchronizing shaft bearing, 16, wind direction rudder, 17, centrifugal bar axle Xiao, 18, become oar connecting rod, 20, wind speed rudder stock, 21, wind speed rudder, 28, wind speed rudderpost, 29, wind speed rudder rocking arm, 30, become oar tappet, 31, cycle becomes oar slide rail, 32 wire rope, 33, static pulley, 34, become oar main shaft bearing, 35, become oar main shaft, 36, become oar main shaft assembling set, 38, screw, 39, banking stop, 40, nut, 41, blade point, 42, swashplate bearing, 43, swash plate.
Embodiment
Embodiment 1
As shown in Figure 1, in the present embodiment, centrifugal variable-pitch wind driven generator includes blade 1, generator 12, propeller hub 10, wind speed rudder 21, wind speed rudder stock 20 and wind speed rudder rocking arm 29, be connected by wind speed rudderpost 28 between wind speed rudder stock 20 with wind speed rudder rocking arm 29, be provided with the centrifugal body sliding sleeve 2 be connected with blade in described blade 1, centrifugal body sliding sleeve is hollow tubular, in centrifugal body sliding sleeve, be provided with centrifugal body 3, centrifugal body 3 reciprocatingly slides in centrifugal body sliding sleeve 2, and centrifugal body is cylindrical body.Described centrifugal body be connected by wireline pulley device between blade.
Described wireline pulley device includes wire rope 32, static pulley 33, swash plate 43, change oar connecting rod 18, eccentric shaft 4, cycle change oar slide rail 31, becomes oar tappet 30 and returning pull-spring 9, one end of described wire rope 32 is connected to the inner of centrifugal body 3, the other end of wire rope 32 is walked around after static pulley 33 direction changes 90 degree and is connected on swash plate 43, static pulley 33 is arranged in propeller hub 10, returning pull-spring 9 one end is fixed on the other end on propeller hub 10 and is fixed on swash plate 43, and swash plate 43 is connected with the eccentric shaft 4 of propeller shank by becoming oar connecting rod 18.Cycle becomes oar slide rail 31 and fixedly mounts on the shell of generator 12 by change oar main shaft 35, change oar main shaft assembling set 36, can not rotate and can not slide.Swash plate 43 bearing is movably arranged on cycle change oar slide rail 31, and swash plate 43 reciprocatingly slides and passes through to become oar connecting rod 18 push-and-pull eccentric shaft 4 and drives blade 1 to become oar on cycle change oar slide rail 31.Returning pull-spring 9 draws swash plate 43, change oar connecting rod 18 and eccentric shaft 4 forces blade 1 to remain on zero degree, and when blade 1 exceedes rated speed, centrifugal body 3 pulls swash plate 43 to become oar until blade 1 gets back to rated speed by wire rope 32.The cycle angle that swash plate 43 can adjust blade 1 avoids tower shadow effect.Becoming oar tappet 30 one end is connected to inside swashplate bearing, and the other end is connected with wind speed rudder rocking arm, only reciprocatingly slides and does not rotate.When wind speed exceedes survival wind speed, wind speed rudder 21, wind speed rudder stock 20 swing to the left, and wind speed rudder rocking arm 29 promotes to become oar tappet 30, swash plate 43 becomes oar and stops.When wind speed reaches survival wind speed, wind speed rudder 21 gets back to starting angle by gravity return blade 1.
Embodiment 2
As shown in Figure 2, in the present embodiment, centrifugal variable-pitch wind driven generator includes blade 1, generator 12, generator hollow shaft 13 and propeller hub 10, the centrifugal body sliding sleeve 2 be connected with blade is provided with in described blade 1, centrifugal body sliding sleeve is hollow tubular, in centrifugal body sliding sleeve, centrifugal body 3 is installed, centrifugal body 3 reciprocatingly slides in centrifugal body sliding sleeve 2, and centrifugal body is cylindrical body, described centrifugal body be connected by lever rocker arrangement between blade.Described lever rocker arrangement includes centrifugal body axle Xiao 17, lever 7, lever shaft 5, rocking arm 6, connecting rod 8, synchronous disk 11, become oar connecting rod 18, eccentric shaft 4 and returning pull-spring 9, described centrifugal body 3 is movably connected in one end of lever 7 by centrifugal body axle Xiao 17, rocking arm 6 is perpendicular with lever 7, rocking arm 6 and lever 7 are arranged on propeller hub 10 by lever shaft 5, rocking arm 6 is flexibly connected with connecting rod 8, connecting rod 8 is flexibly connected with synchronous disk 11, returning pull-spring 9 one end is fixed on the other end on propeller hub 10 and is fixed on swash plate 43, synchronous disk 11 is flexibly connected with propeller shank eccentric shaft 4 by becoming oar connecting rod 18.When blade 1 exceedes rated speed, centrifugal body 2 pull lever 7, rocking arm 6 swing to the right, connecting rod 8 promotes synchronous disk 11 to the right and become oar, when blade 1 gets back to rated speed, centrifugal body 3 centrifugal force reduces, and returning pull-spring 9 pulling force is greater than centrifugal body 3 and just pulls synchronous disk 11 to force blade 1 to get back to zero degree.
Any wind-powered electricity generation has survival wind speed; when exceeding survival wind speed, even if can to control rotating speed be also more harm than good; therefore adopt wind speed rudder to become oar in the embodiment of the present invention to shut down; described wind speed rudder becomes oar arresting gear and includes wind speed rudder 21, wind speed rudder stock 20, become oar synchronizing shaft bearing 15 and become oar synchronizing shaft 14; described wind speed rudder 21 is connected with wind speed rudder stock 20; wind speed rudder stock 20 is connected by becoming oar tappet and change oar synchronizing shaft bearing 15 and becoming oar synchronizing shaft 14, and change oar synchronizing shaft 14 passes generator hollow shaft 13 and is connected with synchronous disk 11.Wind speed rudder is aerofoil profile, and namely wind speed rudder has the function of perception wind speed to also have the function producing and become oar power.When wind speed exceedes survival wind speed, wind speed rudder 21 wind speed rudder stock 20 swings to the right, by becoming, oar synchronizing shaft bearing 15 pulls change oar synchronizing shaft 14, synchronous disk 11 becomes oar and stops, and when wind speed reaches survival wind speed, wind speed rudder 21 is by gravity return, and blade 1 also gets back to starting angle.Become oar synchronizing shaft 14 through generator hollow shaft 13, reciprocatingly slide with generator synchronous axial system.
Embodiment 3
As shown in Figure 3, in the present embodiment, centrifugal variable-pitch wind driven generator includes blade 1 and propeller hub 10, the centrifugal body sliding sleeve 2 be connected with blade is provided with in described blade 1, centrifugal body sliding sleeve is hollow tubular, in centrifugal body sliding sleeve, centrifugal body 3 is installed, centrifugal body 3 reciprocatingly slides in centrifugal body sliding sleeve 2, and centrifugal body is cylindrical body, and described centrifugal body is threaded with adopting between blade.Blade 1 is fixed on propeller hub 10 by screw 38, and blade 1 is fixed pitch blade.Nut 40 is provided with in blade tips, centrifugal body 3 is positioned at the middle part of blade, one end of centrifugal body 3 is connected with blade point 41, the other end of centrifugal body is connected with banking stop 39 through after nut 40, centrifugal body is provided with the contacting point of nut the screw thread matched with nut, banking stop is connected with one end of returning pull-spring 9, and the other end of returning pull-spring 9 is fixed on propeller hub 10.When blade 1 exceedes rated speed, centrifugal body 3 centrifugal force is greater than the pulling force drive blade point 41 of returning pull-spring 9, centrifugal body outwards moves, the screw thread of the screw thread on centrifugal body and nut 40 is coarse-pitch thread, drive blade point 41 to rotate while centrifugal body outwards slides and become oar, becoming propeller angle is limited within 92 degree by banking stop 39, when blade 1 returns to rated speed, returning pull-spring 9 pulling force is greater than the pulling force of centrifugal body 3, and centrifugal body 3, blade point 41 are retracted original position.Due to centrifugal body 3, blade point 41 lighter in weight, even if become, oar is asynchronous also can not be shaken, therefore can be synchronous without synchronous disk, makes structure simpler.
Generator in the present invention also can be replaced as booster engine drive electrical generators and change into and partly directly driving, or refrigerator or drive air compressor, and air compressor can drive water elevator or other steam-operating instrument at a distance.

Claims (7)

1. centrifugal variable-pitch wind driven generator, include blade and propeller hub, it is characterized in that in described blade, being provided with the centrifugal body sliding sleeve be connected with blade, centrifugal body sliding sleeve is hollow tubular, in centrifugal body sliding sleeve, centrifugal body is installed, described centrifugal body be connected by wireline pulley device between blade, described wireline pulley device includes wire rope, static pulley, swash plate, become oar connecting rod, eccentric shaft and returning pull-spring, one end of described wire rope is connected to the inner of centrifugal body, the other end of wire rope is walked around after static pulley direction changes 90 degree and is connected on swash plate, static pulley is arranged in propeller hub, returning pull-spring one end is fixed on the other end on propeller hub and is fixed on swash plate, swash plate is connected with the eccentric shaft of propeller shank by becoming oar connecting rod.
2. centrifugal variable-pitch wind driven generator according to claim 1, is characterized in that described centrifugal body is cylindrical body.
3. centrifugal variable-pitch wind driven generator, include blade and propeller hub, it is characterized in that in described blade, being provided with the centrifugal body sliding sleeve be connected with blade, centrifugal body sliding sleeve is hollow tubular, in centrifugal body sliding sleeve, centrifugal body is installed, described centrifugal body be connected by lever rocker arrangement between blade, described lever rocker arrangement includes centrifugal body pivot pin, lever, lever shaft, rocking arm, connecting rod, synchronous disk, become oar connecting rod, eccentric shaft and returning pull-spring, described centrifugal body is movably connected in one end of lever by centrifugal body pivot pin, rocking arm and lever perpendicular, rocking arm and lever are arranged on propeller hub by lever shaft, the other end of rocking arm is flexibly connected with synchronous disk by connecting rod, returning pull-spring one end is fixed on propeller hub, the other end is fixed on synchronous disk, synchronous disk is flexibly connected with propeller shank eccentric shaft by becoming oar connecting rod.
4. centrifugal variable-pitch wind driven generator according to claim 3, is characterized in that described centrifugal body is cylindrical body.
5. the centrifugal variable-pitch wind driven generator according to claim 3 or 4; it is characterized in that being provided with wind speed rudder becomes oar arresting gear; described wind speed rudder becomes oar arresting gear and includes wind speed rudder, wind speed rudder stock, become oar synchronizing shaft bearing and become oar synchronizing shaft; described wind speed rudder is connected with wind speed rudder stock; wind speed rudder stock is connected by becoming oar tappet and change oar synchronizing shaft bearing and becoming oar synchronizing shaft, and change oar synchronizing shaft passes generator hollow shaft and is connected with synchronous disk.
6. centrifugal variable-pitch wind driven generator, include blade and propeller hub, it is characterized in that in described blade, being provided with the centrifugal body sliding sleeve be connected with blade, centrifugal body sliding sleeve is hollow tubular, in centrifugal body sliding sleeve, centrifugal body is installed, described centrifugal body be connected by screw thread between blade, blade is fixed on propeller hub, blade end inside is provided with nut, one end of centrifugal body is connected with blade point, the other end end of centrifugal body is provided with screw thread, centrifugal body is connected with banking stop through after nut, banking stop is connected with one end of returning pull-spring, the other end of returning pull-spring is fixed on propeller hub.
7. centrifugal variable-pitch wind driven generator according to claim 6, is characterized in that described centrifugal body is cylindrical body.
CN201310286219.8A 2013-07-09 2013-07-09 centrifugal variable-pitch wind driven generator Active CN103352801B (en)

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CN103352801B true CN103352801B (en) 2016-01-27

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Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104500345A (en) * 2014-12-18 2015-04-08 张成革 Breeze start-up generator with gale protection function
CN110285014A (en) * 2019-07-02 2019-09-27 中国大唐集团新能源科学技术研究院有限公司 Independent pitch blade

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1066106A (en) * 1991-04-09 1992-11-11 杨泰和 The dynamic flywheel of active drive or the linear servo-actuated of dependence centrifugal force
CN2320815Y (en) * 1998-02-24 1999-05-26 程荣香 Central main spring blade centrifugal propeller-changing device
DE102009035187A1 (en) * 2009-07-29 2011-02-10 Jensen, Marten, Dipl.-Ing. Rotor for wind turbine, has gear for adjusting angle of rotor blades, and spiral spring anti-swivelingly connected with bevel gear, where ends of spring are connected with hub and bevel pinion, respectively
CN102996344A (en) * 2012-11-30 2013-03-27 张成革 Pitch changing and periodical pitch changing device of downwind wind driven generator
CN203362390U (en) * 2013-07-09 2013-12-25 张成革 Centrifugal variable pitch wind driven generator

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007138751A (en) * 2005-11-15 2007-06-07 Nabtesco Corp Pitch drive device

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1066106A (en) * 1991-04-09 1992-11-11 杨泰和 The dynamic flywheel of active drive or the linear servo-actuated of dependence centrifugal force
CN2320815Y (en) * 1998-02-24 1999-05-26 程荣香 Central main spring blade centrifugal propeller-changing device
DE102009035187A1 (en) * 2009-07-29 2011-02-10 Jensen, Marten, Dipl.-Ing. Rotor for wind turbine, has gear for adjusting angle of rotor blades, and spiral spring anti-swivelingly connected with bevel gear, where ends of spring are connected with hub and bevel pinion, respectively
CN102996344A (en) * 2012-11-30 2013-03-27 张成革 Pitch changing and periodical pitch changing device of downwind wind driven generator
CN203362390U (en) * 2013-07-09 2013-12-25 张成革 Centrifugal variable pitch wind driven generator

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Effective date of registration: 20160627

Address after: Heping District Liaoning 110171 Shenyang Hunhe Station Township Village forward

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Address after: 225600 Jiangsu Province Yangzhou Gaoyou Economic Development Zone Dongting Lake Road Science and Technology Venture Center, Room 210, 2nd floor

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Address before: 225600 Jiangsu Province Yangzhou Gaoyou Economic Development Zone Dongting Lake Road Science and Technology Venture Center, Room 210, 2nd floor

Patentee before: JIANGSU BOSIWEI INTELLECTUAL PROPERTY OPERATION Co.,Ltd.

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