CN101915213A - Multi-blade belt-driven speed-increasing wind driven generator set - Google Patents

Multi-blade belt-driven speed-increasing wind driven generator set Download PDF

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Publication number
CN101915213A
CN101915213A CN2010102131964A CN201010213196A CN101915213A CN 101915213 A CN101915213 A CN 101915213A CN 2010102131964 A CN2010102131964 A CN 2010102131964A CN 201010213196 A CN201010213196 A CN 201010213196A CN 101915213 A CN101915213 A CN 101915213A
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belt
wheel
blade
rotor shaft
wind
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CN2010102131964A
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CN101915213B (en
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徐建伟
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Inner Mongolia Fang Wei Electronic Technology (Group) Co., Ltd.
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徐建伟
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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
    • 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
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/50—Manufacturing or production processes characterised by the final manufactured product

Abstract

The invention discloses a multi-blade belt-driven speed-increasing wind driven generator set, which comprises a wind wheel, a wind wheel shaft, a front bracket of the wind wheel shaft, a rear bracket of the wind wheel shaft, a driving system, a rotary platform, a base fixed platform, a generator and the like. The multi-blade belt-driven speed-increasing wind driven generator set has the advantages of high wind energy collection efficiency, wide dynamic range suitable for wind speeds, capacity of fully utilizing the wind energy, reduction in manufacturing cost, simple manufacturing process of equipment, small investment, low maintenance cost, low site requirement, portability, convenient field installation and no need of large-scale hoisting equipment.

Description

A kind of multi-blade belt-driven speed-increasing wind power generating set
Technical field:
The present invention relates to a kind of wind power plant, relate in particular to a kind of multi-blade belt-driven speed-increasing wind power generating set.
Background technique:
At present wind power generating set is that three leaves are collected folk songs mostly, and a kind of is wind power generating set by means of the gear-box speedup, and another kind is the wind power generating set that non-gear box directly drives multipole permanent magnetism major diameter motor, and these two kinds of wind power generating set all have corresponding shortcoming.
Generator is positioned at the center of three blade wind wheels, the roulette speed of wind wheel central point is very low, owing to need very high line cutting speed between generator unit stator and the rotor, therefore need to install additional speed-changing gear box between generator and the wind wheel and improve rotating speed, also can adopt the major diameter generator to improve line cutting speed between stator and the rotor, and remove gear-box.Yet, be to install speed-changing gear box additional or adopt slow-speed of revolution major diameter generator all can increase the cost of wind-driven generator greatly.
Generator is positioned at the center of wind wheel, the position of wind wheel output power is also at the center of wind wheel, output power is the product of roulette speed and torsion, and the roulette speed in wind wheel center portion is very low, torsion is very big, therefore, moment strength requirement to central rotating shaft and blade is very high, causes central rotating shaft and blade very heavy;
Owing to the moment strength of blade is required very high, so during the blade design, mainly considered the moment strength of blade, and can not take the efficient of collecting folk songs of blade into account that though blade is very long, sweep radius is very big, and wind collecting efficient is very low.
Collect folk songs blade and central rotating shaft and body of the tower is the cantilever linkage structure, and the structural strength that cantilever connects is low, supports very heavy central rotating shaft and blade with cantilever, and is very high to the requirement of strength of central rotating shaft and cantilever support parts.
The free rotating speed of three blade wind wheels is very high when high wind speed, must carry by band, feather and perfect braking device limit rotating speed, otherwise can form high-revolving driving, causes the damage of wind-powered electricity generation unit.Feather and braking device all can increase the cost of wind-powered electricity generation unit.
Therefore the shortcoming of three blade wind-powered electricity generation units is that equipment is very heavy, wind collecting efficient is very low, cost is very high.
Summary of the invention:
The object of the present invention is to provide a kind of collection wind energy efficiency height, cost low, the dynamic range that adapts to wind speed is big, a kind of multi-blade belt-driven speed-increasing wind power generating set that can bear bigger wind-force.
Purpose of the present invention is implemented by following technological scheme: a kind of multi-blade belt-driven speed-increasing wind power generating set includes wind wheel, rotor shaft, rotor shaft fore poppet, rotor shaft back poppet, transmission system, revolving dial, basic fixed platform, generator; Described rotor shaft two ends place described rotor shaft fore poppet and rotor shaft back poppet top respectively, the bottom of described rotor shaft fore poppet and described rotor shaft back poppet is fixed on the described revolving dial, a described generator is set on the described revolving dial at least, and described generator is connected with described wind wheel by described transmission system; Described revolving dial bottom is connected with described basic fixed platform.
Described revolving dial is connected by centralized positioning bucket rotary moveable by the center portion of revolution upper mounting plate with the revolution lower bolster; Described centralized positioning bucket is made up of interior bucket and overcoat bucket, and described overcoat casing outside the bucket, serves as that axle is rotatably connected with bucket in described in described; Described overcoat bucket is fixed in described revolution upper mounting plate center portion, and described interior bucket is fixed under the described revolution upper mounting plate in described revolution lower bolster center portion and evenly is provided with at least 3 supporting wheels, and described supporting wheel contacts with described revolution lower bolster is movable.
The periphery of described revolution upper mounting plate is provided with three L shaped extension rods at least, and described L shaped extension rod extends to described revolution lower bolster peripheral base, and the end of described L shaped extension rod is provided with the extension rod wheel, and described extension rod wheel contacts below described revolution lower bolster.
Described wind wheel is formed the three-support structure by wind wheel blade, described rotor shaft, wheel rim and two axle sleeves, described axle sleeve places described rotor shaft two ends respectively, described wind wheel blade evenly is arranged on described wheel rim both sides, the described wind wheel blade of every side has three at least, and described wind wheel blade two ends are connected with described axle sleeve is oblique with described wheel rim respectively.
Described axle sleeve comprises fixed cover, moves cover and spring part, and described fixed cover is fixed on the described rotor shaft, and described moving is placed on described fixed cover outside, connects by described spring part.
Described transmission system is a belt drive system, described transmission system be at least one or more than one, wherein said transmission system comprises that belt, belt tension device and belt wheel form; Described belt one end is on the wheel rim of described wind wheel, and the described belt the other end is on the described belt wheel of the described generator of correspondence.
Described rotor shaft back poppet is provided with wind direction boat rudder arrangement.
Described wind wheel adopts the macromolecule lightweight composite materials, and is in light weight, cost is low.
Described belt adopts high wear-resistant rubber coating and polymer composite felting band to form, and has that in light weight, soft, powerful height, wear resistance are subdued well, anti-, the characteristics of good impact resistance.
Described generator is a kind of high rotating speed permanent magnet generator.
Advantage of the present invention:
1, power is the product of roulette speed and torsion, the position of this wind-powered electricity generation unit wind wheel power output is in the wind wheel outer ring, wind wheel outer ring roulette speed is very high, torsion is very little, therefore, can wind wheel power be delivered directly to high tacho generator by belt, cut gear-box, reduced cost, the volume of high tacho generator is little simultaneously, and cost is also low.
2, the wind energy power that wind wheel produced, mainly be distributed in the edge of whole wind wheel, the position of wind wheel power output is also on the outer ring at wind wheel edge, simultaneously, the very high torsion of wind wheel External Cordon Line speed is very little, so the moment that wind wheel blade bore is very little, overall construction intensity requirement to wind wheel is very low, so just greatly reduces the manufacture cost of wind wheel.
3, the moment that wind wheel blade bore is very little, so when the design wind wheel blade, need not too much take the moment strength of blade into account, and mainly consider the wind collecting efficient of blade, has so just improved the wind collecting efficient of whole wind wheel greatly.
4, wind wheel is the multiple-blade structure, and is limited at high wind speed and the highest free rotating speed when unloaded, and wind wheel is with two stent support simultaneously, so, there is not runaway problem, so just cut complicated speed limiting device, reduced cost.
5, wind direction boat rudder arrangement is the low-cost automatic control device of a cover, reaches maximum rated power or in underloading with when unloaded, last revolving dial can depart from wind direction automatically and reduce the wind collecting amount, thereby has replaced complicated pitch-variable system, has reduced cost at the wind-powered electricity generation unit.
6, power wind-powered electricity generation unit in this, have manufacturing process simple, in light weight, set up install convenient, need not large-scale hanging device, to setting up not advantages of higher of site requirements, can set up places such as being installed in both sides of highway, mound and small hill.
Description of drawings:
Fig. 1 is an overall structure plan view of the present invention.
Fig. 2 is an overall structure side view of the present invention.
Fig. 3 is the structural representation of revolving dial of the present invention.
Fig. 4 is the structural representation of wind wheel of the present invention.
Fig. 5 is the structural representation of axle sleeve of the present invention.
Fig. 6 is the structural representation of centralized positioning bucket of the present invention.
Wind wheel 1, rotor shaft 2, rotor shaft fore poppet 3, rotor shaft back poppet 4, transmission system 5, revolving dial 6, basic fixed platform 7, generator 8, revolution upper mounting plate 9, revolution lower bolster 10, centralized positioning bucket 11, supporting wheel 12, L shaped extension rod 13, extension rod wheel 14, wind wheel blade 15, wheel rim 16, axle sleeve 17, fixed cover 18 moves cover 19, spring part 20, wind direction boat rudder arrangement 21, belt 22, interior bucket 23, overcoat bucket 24, belt tension device 25 and belt wheel 26.
Embodiment:
Embodiment 1: a kind of multiple-blade band transmission wind power generation machine includes wind wheel 1, rotor shaft 2, rotor shaft fore poppet 3, rotor shaft back poppet 4, transmission system 5, revolving dial 6, basic fixed platform 7, generator 8; Rotor shaft 2 two ends place rotor shaft fore poppet 3 and rotor shaft back poppet 4 tops respectively, the bottom of rotor shaft fore poppet 3 and rotor shaft back poppet 4 is fixed on the revolving dial 6, a generator 8 is set on the revolving dial 6, also can be according to the bar number of the belt 22 of transmission system 8 configuration, 2 of relative set, or 3, or the generator more than 48; Generator 8 is connected with wind wheel 1 by transmission system 5; Revolving dial 6 bottoms are connected with basic fixed platform 7.Rotor shaft back poppet 4 is provided with wind direction boat rudder arrangement 21.
Generator 8 is a kind of high rotating speed permanent magnet generatores.
Revolving dial 6 is connected by centralized positioning bucket 11 rotary moveables by the center portion of revolution upper mounting plate 9 with revolution lower bolster 10; Centralized positioning bucket 11 is made up of interior bucket 23 and overcoat bucket 24, outside the bucket 23, serves as that axle is rotatably connected with interior bucket 23 in overcoat bucket 24 is placed in; Overcoat bucket 24 is fixed in the center portion of revolution upper mounting plate 9, and interior bucket is fixed in the center portion of revolution lower bolster 10.The revolution upper mounting plate evenly is provided with 7 supporting wheels 12 for 9 times, according to the watt level and the body size of wind power generating set, but also 3 or 4 or 5 or 6 of relative set, or the supporting wheel more than 7 12.Supporting wheel 12 and revolution lower bolster 10 movable contacts.The periphery of revolution upper mounting plate 9 is provided with 9 L shaped extension rods 13 at least, according to the watt level and the body size of wind power generating set, but also 3 or 4 or 5 or 6 of relative set, or 7, or 8, or the L shaped extension rod 13 more than 9; L shaped extension rod 13 extends to revolution lower bolster 10 peripheral base, and the end of L shaped extension rod 13 is provided with extension rod wheel 14, and extension rod wheel 14 contacts below revolution lower bolster 10.
Wind wheel 1 is formed the three-support structure by wind wheel blade 15, rotor shaft 2, wheel rim 16 and two axle sleeves 17, axle sleeve 17 places rotor shaft 2 two ends respectively, wind wheel blade 15 evenly is arranged on wheel rim 16 both sides, every side wheel circle 16 is provided with 8 wind wheel blades 15, watt level and body size according to wind power generating set, also can be provided with 3 or 4 or 5 or 6 by every side wheel circle 16, or 7, or the wind wheel blade more than 8 15; Wind wheel blade 15 two ends respectively with wheel rim 16 and 17 oblique connections of axle sleeve.Wind wheel 1 adopts the macromolecule lightweight composite materials, and is in light weight, cost is low.
Axle sleeve 17 comprises fixed cover 18, moves cover 19 and spring part 20, and fixed cover 18 is fixed on the rotor shaft 2, moves cover 19 and places fixed cover 18 outsides, connects by spring part 20.This structure adopts many spring horizontals flexible buffer structure, moves cover 19 when wind speed is big and can slide on fixed cover 18, and wind wheel 1 had the flexible buffer performance when blast changed, and had reduced the structural strength requirement of wind power generating set, had saved material, had reduced cost.
Transmission system 5 is a belt drive system, and transmission system 5 is two transmission systems, according to the watt level and the body size of wind power generating set, 1 transmission system or 2 also can be set more than the transmission system.
Wherein transmission system 5 comprises belt 22, belt tension device 25 and belt wheel 26 compositions; Belt 22 1 ends are on the wheel rim 16 of wind wheel 1, and belt 22 the other ends are on the belt wheel 26 of the generator 8 of correspondence.
Transmission system 5 comprises belt 22, belt tension device 25 and belt wheel 26 compositions; Belt 22 adopts high wear-resistant rubber coating and polymer composite felting band to form.Softness in light weight, powerful high, wear resistance is good, anti-subduing, good impact resistance.

Claims (10)

1. multi-blade belt-driven speed-increasing wind power generating set, it is characterized in that: it includes wind wheel, rotor shaft, rotor shaft fore poppet, rotor shaft back poppet, transmission system, revolving dial, basic fixed platform, generator; Described rotor shaft two ends place described rotor shaft fore poppet and rotor shaft back poppet top respectively, the bottom of described rotor shaft fore poppet and described rotor shaft back poppet is fixed on the described revolving dial, a described motor is set on the described revolving dial at least, and described motor is connected with described wind wheel by described transmission system; Described revolving dial bottom is connected with described basic fixed platform.
2. a kind of multi-blade belt-driven speed-increasing wind power generating set according to claim 1 is characterized in that: described revolving dial is connected by centralized positioning bucket rotary moveable by the center portion of revolution upper mounting plate with the revolution lower bolster; Described centralized positioning bucket is made up of interior bucket and overcoat bucket, and described overcoat casing outside the bucket, serves as that axle is rotatably connected with bucket in described in described; Described overcoat bucket is fixed in described revolution upper mounting plate center portion, and described interior bucket is fixed in described revolution lower bolster center portion; Evenly be provided with at least 3 supporting wheels under the described revolution upper mounting plate, described supporting wheel contacts with described revolution lower bolster is movable.
3. a kind of multi-blade belt-driven speed-increasing wind power generating set according to claim 2, it is characterized in that: the periphery of described revolution upper mounting plate is provided with three L shaped extension rods at least, described L shaped extension rod extends to described revolution lower bolster peripheral base, the end of described L shaped extension rod is provided with the extension rod wheel, and described extension rod wheel contacts below described revolution lower bolster.
4. a kind of multi-blade belt-driven speed-increasing wind power generating set according to claim 1, it is characterized in that: described wind wheel is formed the three-support structure by wind wheel blade, described rotor shaft, wheel rim and two axle sleeves, described axle sleeve places described rotor shaft two ends respectively, described wind wheel blade evenly is arranged on described wheel rim both sides, the described wind wheel blade of every side has three at least, and described wind wheel blade two ends are connected with described axle sleeve is oblique with described wheel rim respectively.
5. a kind of multi-blade belt-driven speed-increasing wind power generating set according to claim 4, it is characterized in that: described axle sleeve comprises fixed cover, moves cover and spring part, described fixed cover is fixed on the described rotor shaft, and described moving is placed on described fixed cover outside, connects by described spring part.
6. a kind of multi-blade belt-driven speed-increasing wind power generating set according to claim 1, it is characterized in that: described transmission system is a belt drive system, described transmission system be at least one or more than one, wherein said transmission system comprises that belt, belt tension device and belt wheel form; Described belt one end is on the wheel rim of described wind wheel, and the described belt the other end is on the described belt wheel of described generator.
7. a kind of multi-blade belt-driven speed-increasing wind power generating set according to claim 1 is characterized in that: described rotor shaft back poppet is provided with wind direction boat rudder arrangement.
8. a kind of multi-blade belt-driven speed-increasing wind power generating set according to claim 1 is characterized in that: described wind wheel adopts the macromolecule lightweight composite materials.
9. a kind of multi-blade belt-driven speed-increasing wind power generating set according to claim 6 is characterized in that: described belt adopts high wear-resistant rubber coating and polymer composite felting band to form.
10. a kind of multi-blade belt-driven speed-increasing wind power generating set according to claim 1 is characterized in that: described generator is a kind of high rotating speed permanent magnet generator.
CN2010102131964A 2010-06-30 2010-06-30 Multi-blade belt-driven speed-increasing wind driven generator set Active CN101915213B (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102996354A (en) * 2012-11-27 2013-03-27 徐建伟 Low-cost belt transmission wind turbine generator
WO2013167652A1 (en) * 2012-05-08 2013-11-14 Siemag Tecberg Group Gmbh Wind turbine with a horizontal rotor shaft and with a rotatable tower

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007008884A1 (en) * 2005-07-12 2007-01-18 Hamilton Sundstrand Wind-turbine with load-carrying skin
US20070015617A1 (en) * 2005-07-12 2007-01-18 Bertolotti Fabio P Belt-driven drive-train
CN200949501Y (en) * 2006-09-04 2007-09-19 孙首泉 Speed increasing transmission device of Wind-power generator group transmission belt
CN201265486Y (en) * 2008-10-13 2009-07-01 宜兴市华泰国际集团工业有限公司 Wind swiveling mechanism of wind power station
CN101603509A (en) * 2009-07-17 2009-12-16 戚永维 Reinforced type wind-driven generator
CN201396249Y (en) * 2009-03-26 2010-02-03 王亨雷 Rim drive-type wind-driven generator
CN201615030U (en) * 2010-06-30 2010-10-27 徐建伟 Multi-blade belt-driven type speed-increasing wind generating set

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007008884A1 (en) * 2005-07-12 2007-01-18 Hamilton Sundstrand Wind-turbine with load-carrying skin
US20070015617A1 (en) * 2005-07-12 2007-01-18 Bertolotti Fabio P Belt-driven drive-train
CN200949501Y (en) * 2006-09-04 2007-09-19 孙首泉 Speed increasing transmission device of Wind-power generator group transmission belt
CN201265486Y (en) * 2008-10-13 2009-07-01 宜兴市华泰国际集团工业有限公司 Wind swiveling mechanism of wind power station
CN201396249Y (en) * 2009-03-26 2010-02-03 王亨雷 Rim drive-type wind-driven generator
CN101603509A (en) * 2009-07-17 2009-12-16 戚永维 Reinforced type wind-driven generator
CN201615030U (en) * 2010-06-30 2010-10-27 徐建伟 Multi-blade belt-driven type speed-increasing wind generating set

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013167652A1 (en) * 2012-05-08 2013-11-14 Siemag Tecberg Group Gmbh Wind turbine with a horizontal rotor shaft and with a rotatable tower
CN104508299A (en) * 2012-05-08 2015-04-08 西马格特宝集团有限公司 Wind turbine with horizontal rotor shaft and with rotatable tower
CN104508299B (en) * 2012-05-08 2017-08-25 西马格特宝集团有限公司 Wind power plant with horizontal armature spindle and with rotatable pylon
CN102996354A (en) * 2012-11-27 2013-03-27 徐建伟 Low-cost belt transmission wind turbine generator

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