CN104533708A - Gear mechanism based self-rotation blade impeller - Google Patents

Gear mechanism based self-rotation blade impeller Download PDF

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Publication number
CN104533708A
CN104533708A CN201410673674.8A CN201410673674A CN104533708A CN 104533708 A CN104533708 A CN 104533708A CN 201410673674 A CN201410673674 A CN 201410673674A CN 104533708 A CN104533708 A CN 104533708A
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CN
China
Prior art keywords
blade
shaft
gear mechanism
central shaft
gear
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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.)
Pending
Application number
CN201410673674.8A
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Chinese (zh)
Inventor
宋保维
施瑶
毛昭勇
丁文俊
田文龙
安新宇
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Northwestern Polytechnical University
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Northwestern Polytechnical University
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Publication date
Application filed by Northwestern Polytechnical University filed Critical Northwestern Polytechnical University
Priority to CN201410673674.8A priority Critical patent/CN104533708A/en
Publication of CN104533708A publication Critical patent/CN104533708A/en
Pending legal-status Critical Current

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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/70Wind energy
    • Y02E10/74Wind turbines with rotation axis perpendicular to the wind direction

Abstract

The invention relates to a gear mechanism based self-rotation blade impeller. The gear mechanism based self-rotation blade impeller is mainly formed by a rotating cross support, four blades, a center shaft, a base, a primary bevel gear, four secondary bevel gears, eight transmission gears and four transmission shafts.

Description

A kind of spinning blade impeller based on gear mechanism
Technical field
The invention belongs to technical field of wind power generation, be specifically related to a kind of spinning blade impeller based on gear mechanism.
Background technique
The energy is power and the guarantee of human social development progress.In recent years, along with the high speed development of global economy, coal, oil, the conventional energy resources such as rock gas are by fast, and a large amount of consumption, this allows the mankind not only in the face of the increasingly exhausted pressure of resource, receives the threat that environment constantly worsens simultaneously.The energy and environmental protection have become the pressing problem that mankind nowadays survival and development are badly in need of solving.Wind-powered electricity generation is as a kind of new energy of clean environment firendly, neither consume limited coal resources, also valuable underground wind-resources can not be consumed, more be conducive to the sustainable development of national economy, district greatly develops the wind power plant of the high efficient and reliable of applicable concrete area feature is throughout the country coming.Realize the industrialization of wind-power electricity generation, practical, require dynamical Fan Product, can utilize wind energy to greatest extent, this just requires that we study the performance of wind energy conversion system, improves blower fan and catches the maximum of wind energy, produces efficient energy and transforms.
At present, the principal mode of wind-power electricity generation is electric energy by blower fan apparatus by wind energy transformation, therefore design a kind of efficient, reliably blower fan be the key technology of Wind Power Utilization.The moulding of blower fan should consider that structure also will consider the other factorses such as weight.Current blower fan form mainly contains the flat axle blower fan of wind and vertical shaft fan two kinds, what impeller axis was parallel with the relative position of wind direction is the flat axial impeller of wind (HAWT), and that impeller axis is vertical with the relative position of wind direction is perpendicular axis type impeller (VAWT).
Same level axle Wind turbines is compared, and vertical axis wind electric unit has following advantage:
(1) perpendicular axis type impeller axis is with to carry out flow path direction vertical, can catch the wind energy in any direction, and structure is simple, is well suited for miniaturization Independent Power Generation.
(2) vertical shaft fan installation and maintenance is simple, and manufacturing process is simple, and cost is low, and Economy is strong.
(3) vertical shaft fan to blade structure and requirement of strength low.
(4) perpendicular axis type impeller can be effectively worked at complicated turbulent flow, is therefore more suitable for the small-size wind power-generating place being applied in complex-terrain, as the rural area of remote districts.
(5) tip-speed ratio wind flat axle impeller little of vertical axis impeller blade, under such slow-speed of revolution, aerodynamic noise is very little, even can reach quiet effect, be conducive to environmental protection.
Vertical axis impeller common at present mainly contains lift vertical shaft impeller and resistance-type vertical axis impeller.The main representative of lift-type is Darrieus impeller, and the main representative of resistance type is Savonius impeller.
Be in the innovation and creation of US1835018A at publication number, disclose a kind of Darrieus wind-force impeller.This blade wheel structure is simple, lift coefficient is high, but startability is poor, is difficult to especially at low wind speeds start.
Be in the innovation and creation of US1766765A at publication number, disclose a kind of Savonius wind-force impeller.This impeller startability is good, has very large wind speed and utilizes scope, but along with the rotation of rotor, its torque amplitude of variation is from high to low very large, even can drop to the degree close to zero, therefore have lower total efficiency.
Summary of the invention
The technical problem solved
In order to overcome the problem that in prior art, the self-starting of lift vertical shaft impeller is difficult and resistance-type vertical axis impeller energy capture rate is low, in order to improve energy capture efficiency further, the present invention proposes a kind of spinning blade impeller based on gear mechanism.
Technological scheme
Based on a spinning blade impeller for gear mechanism, it is characterized in that comprising rotary cross support, four pieces of blades, central shaft, base, one-level bevel gear, four secondary bevel gears, eight driving gears and four transmission shafts; Central shaft is arranged on base, rotary cross frame is made up of upper bracket and lower support frame, upper bracket, lower support frame are all in cross, under being enclosed within the first boss of central shaft respectively by the central shaft mounting hole at respective center, on the second boss, four pieces of blades by blade installation shaft be arranged on upper bracket, lower support frame four ends blades installation hole in; The upper surface of each arm of upper bracket being fixed with two transmission shaft supporting frames, transmission shaft supporting frame having a positioning hole, for installing transmission shaft; Secondary bevel gear is coaxially fixedly mounted on the upper end of each blade installation shaft, and one-level bevel gear is coaxially fixedly mounted on the top end of central shaft, is installed with a driving gear at the two ends of each transmission shaft respectively.
Described blade is that Thin Rectangular is dull and stereotyped.
Described main shaft is cylindric.
Positioning hole on two transmission shaft supporting frames on same support arm is coaxial.
Described blade installation shaft is fixedly mounted on the symmetry axis on two long limits of blade, and parallel with central shaft.
Described one-level bevel gear and the gear ratio of secondary bevel gear are 1:2.
Beneficial effect
A kind of spinning blade impeller based on gear mechanism that the present invention proposes, this impeller blade is while pivoting, also can regularly can make blade windward time from transferring the position changing blade, increasing wind-exposuring area, improve suffered moment of rotation, when contrary wind, reduce wind-exposuring area, reduce resistance against the wind, make draught fan impeller have good self-starting, also there is higher generating efficiency simultaneously.
Blade is coming flow path direction there is larger area of contour in half period with the wind, can obtain higher rotary actuation moment; And in half period against the wind, blade and incoming flow angular separation less, resistance is less, and this makes this device have higher working efficiency.Simultaneously owing to there being larger windward side at any time, this device is made to have good self-starting performance.
Accompanying drawing explanation
Fig. 1 axonometric drawing of the present invention
Fig. 2 gear transmission schematic diagram of the present invention
Fig. 3 upper bracket plan view
Fig. 4 draught fan impeller working principle sketch
1-rotary cross support; 2-central shaft; 3-boss; 4-base; 5-blade; 6-transmission shaft; 7-transmission shaft supporting frame; 8-blade installation shaft; 9-one-level bevel gear; 10-secondary bevel gear; 11-driving gear; 12-blades installation hole; 13-central shaft mounting hole.
Embodiment
Now in conjunction with the embodiments, the invention will be further described for accompanying drawing:
Based on a spinning blade impeller device for gear mechanism, form primarily of rotary cross support 1, four pieces of blades 5, central shaft 2, base 4, one-level bevel gear 9, four secondary bevel gears 10, eight driving gears 11 and four transmission shafts 6.
Be fixedly connected with base 4 bottom central shaft 2, be provided with a boss 3 in base 4 upper-end surface, for supporting cross frame 1.Central shaft 2 at boss 3 with the length of upper part slightly larger than blade 5 length.
Rotary cross frame 1 is made up of upper bracket and lower support frame.As shown in Figure 3, lower support frame entirety in cross, is provided with central shaft mounting hole 13 in its criss-cross central authorities, the aperture in this hole between root diameter and boss 3 diameter, for mounting center axle 2.A blades installation hole 12 is respectively had, for installing blade installation shaft 8 in criss-cross four ends of lower support frame.Upper bracket is identical with lower support frame.
Lower support frame is arranged on bottom central shaft 2, is coaxially connected with central shaft 2 by central shaft mounting hole 13, and the diameter due to central shaft mounting hole 13 is less than boss 3 diameter, therefore lower support frame can be placed on boss 3 and can to rotate freely around central shaft 2.
Upper bracket is arranged on central shaft 2 top, is coaxially connected with central shaft 2 by central shaft mounting hole 13, each arm keeping parallelism that carrier parts is corresponding, is convenient to install blade installation shaft 8.
Blade 5 is that Thin Rectangular is dull and stereotyped, and the symmetry axis on two long limit fixedly mounts blade installation shaft 8.The upper and lower end of blade installation shaft 8 is arranged on the blades installation hole 12 of upper bracket and lower support frame respectively by bearing, and parallel with central shaft 2.
At the upper surface of each arm of upper bracket, be fixed with two transmission shaft supporting frames 7, transmission shaft supporting frame 7 have a positioning hole, for installing transmission shaft 6.At regular intervals between two transmission shaft supporting frames 7 on each arm, and both it on positioning hole coaxial.
Transmission shaft 6 has identical 4, and for cylindrical, its diameter is slightly less than the positioning hole diameter on transmission shaft 6.4 transmission shafts 6 are arranged on each arm of upper bracket, through the positioning hole on transmission shaft supporting frame 7 respectively.
Secondary bevel gear 10 is coaxially fixedly mounted on the upper end of each blade installation shaft 8, can rotate with blade installation shaft 8.One-level bevel gear 9 is coaxially fixedly mounted on the top end of central shaft 2.Be installed with a driving gear 11 respectively at the two ends of each transmission shaft 6, transmission shaft 6 relies on these two driving gears 11 to be connected by bevel gear with secondary bevel gear 10 by one-level bevel gear 9.One-level bevel gear 9 is 1:2 with the gear ratio of secondary bevel gear 10.
As shown in Figure 4, under the action of the forces of the wind, blade 5 drives rotary cross frame 1 to rotate counterclockwise and drives four pieces of blades 5 to revolve round the sun around central shaft 2.One-level bevel gear 9 is fixedly connected with central shaft 2, and under rotary cross frame 1 acts on, the driving gear 11 engaged with one-level bevel gear 9 is also rotated counterclockwise.Meanwhile, by transmission shaft 6, rotary motion is transferred to secondary bevel gear 10, and secondary bevel gear 10 is rotated around the axis both clockwise of blade installation shaft 8.Under this motion mode, blade 5 can around the axis rotation of blade installation shaft 8.Because one-level bevel gear 9 and the gear ratio of secondary bevel gear 10 are 1:2, so blade 5 revolves round the sun, angular velocity and spin velocity are than being 2:1.When blade 5 revolution 90 ° counterclockwise around rotary cross frame 1, simultaneously around the axis both clockwise rotation 45 ° of blade installation shaft 8.The benefit of this blade movement mode is, in one week of blade revolution, is subject to lift effect drives impeller at A point and C point near zone; At B point near zone, the area of contour that blade is carrying out flow path direction is maximum, by drag effect drives impeller; And at D point near zone, the wind-exposuring area of blade is minimum, suffered resistance is also minimum, and this makes this device have higher working efficiency.Simultaneously owing to there being larger windward side at any time, this device is made to have good self-starting performance.

Claims (6)

1., based on a spinning blade impeller for gear mechanism, it is characterized in that comprising rotary cross support (1), four pieces of blades (5), central shaft (2), base (4), one-level bevel gear (9), four secondary bevel gears (10), eight driving gears (11) and four transmission shafts (6); Central shaft (2) is arranged on base (4), rotary cross frame (1) is made up of upper bracket and lower support frame, upper bracket, lower support frame are all in cross, under being enclosed within first boss (15) of central shaft (2) respectively by the central shaft mounting hole (13) at respective center, on the second boss (16), four pieces of blades (5) by blade installation shaft (8) be arranged on upper bracket, lower support frame four ends blades installation hole (12) in; The upper surface of each arm of upper bracket is fixed with two transmission shaft supporting frames (7), transmission shaft supporting frame (7) has a positioning hole, for installing transmission shaft (6); Secondary bevel gear (10) is coaxially fixedly mounted on the upper end of each blade installation shaft (8), one-level bevel gear (9) is coaxially fixedly mounted on the top end of central shaft (2), is installed with a driving gear (11) at the two ends of each transmission shaft (6) respectively.
2. the spinning blade impeller based on gear mechanism according to claim 1, is characterized in that described blade (5) is for Thin Rectangular flat board.
3. the spinning blade impeller based on gear mechanism according to claim 1, is characterized in that described main shaft (8) is for cylindric.
4. the spinning blade impeller based on gear mechanism according to claim 1, is characterized in that the positioning hole on two transmission shaft supporting frames (7) on same support arm is coaxial.
5. the spinning blade impeller based on gear mechanism according to claim 1, is characterized in that described blade installation shaft (8) is fixedly mounted on the symmetry axis on two long limits of blade, and parallel with central shaft (2).
6. the spinning blade impeller based on gear mechanism according to claim 1, is characterized in that described one-level bevel gear (9) is 1:2 with the gear ratio of secondary bevel gear (10).
CN201410673674.8A 2014-11-21 2014-11-21 Gear mechanism based self-rotation blade impeller Pending CN104533708A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201410673674.8A CN104533708A (en) 2014-11-21 2014-11-21 Gear mechanism based self-rotation blade impeller

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201410673674.8A CN104533708A (en) 2014-11-21 2014-11-21 Gear mechanism based self-rotation blade impeller

Publications (1)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105240205A (en) * 2015-09-10 2016-01-13 皖西学院 Horizontal and vertical wind energy conversion devices
CN106014855A (en) * 2016-06-30 2016-10-12 西南石油大学 Wind power generation device and method using vortexes of cross flow by cylinder
CN109578200A (en) * 2018-12-05 2019-04-05 王伟 A kind of wind power generation plant and method
CN111121285A (en) * 2019-12-31 2020-05-08 南京比尔森热力技术工程有限公司 Novel hot water supply equipment

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2331556A (en) * 1997-10-08 1999-05-26 Roland Store Rotating blade wind turbine
CN2483522Y (en) * 2001-07-10 2002-03-27 顾长青 Vertical planel wind motor
CN201110247Y (en) * 2007-07-31 2008-09-03 蔡昇甫 Perpendicular soft type blade angle self-control wind power power machine
CN201212457Y (en) * 2008-06-30 2009-03-25 张澎 Wind power generator for aligning blade with wind direction automatically

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2331556A (en) * 1997-10-08 1999-05-26 Roland Store Rotating blade wind turbine
CN2483522Y (en) * 2001-07-10 2002-03-27 顾长青 Vertical planel wind motor
CN201110247Y (en) * 2007-07-31 2008-09-03 蔡昇甫 Perpendicular soft type blade angle self-control wind power power machine
CN201212457Y (en) * 2008-06-30 2009-03-25 张澎 Wind power generator for aligning blade with wind direction automatically

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105240205A (en) * 2015-09-10 2016-01-13 皖西学院 Horizontal and vertical wind energy conversion devices
CN106014855A (en) * 2016-06-30 2016-10-12 西南石油大学 Wind power generation device and method using vortexes of cross flow by cylinder
CN109578200A (en) * 2018-12-05 2019-04-05 王伟 A kind of wind power generation plant and method
CN111121285A (en) * 2019-12-31 2020-05-08 南京比尔森热力技术工程有限公司 Novel hot water supply equipment
CN111121285B (en) * 2019-12-31 2021-04-02 南京比尔森热力技术工程有限公司 Novel hot water supply equipment

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Application publication date: 20150422

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