CN201025241Y - Horizontal orthogonal and differential speed one-direction rotary and dual-side left wheel wind power generator unit - Google Patents
Horizontal orthogonal and differential speed one-direction rotary and dual-side left wheel wind power generator unit Download PDFInfo
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- CN201025241Y CN201025241Y CNU2007201009723U CN200720100972U CN201025241Y CN 201025241 Y CN201025241 Y CN 201025241Y CN U2007201009723 U CNU2007201009723 U CN U2007201009723U CN 200720100972 U CN200720100972 U CN 200720100972U CN 201025241 Y CN201025241 Y CN 201025241Y
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- differential type
- speed increaser
- wind power
- differential
- wind
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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 discloses a horizontal orthogonal intersection differential type co-direction rotating double-side impeller wind power generator group, relating the technical field of wind power electricity generating. The utility model solves the problem that the wind wheels of the prior wind power generator group rotate unstably and out of step so as to cause abrasion to the gear system, which comprises a tower rack, a generator, two wind wheels and a differential type accelerator. The wind wheel shaft of each wind wheel is connected with the low speed end of the first class accelerator while the high speed end is connected with the input end of the semi-shaft of the differential type accelerator; the semi-shaft of the differential type accelerator is further provided with a unilateral implement; the output end of the differential type accelerator is connected with the input shaft of the generator. The utility model firstly combines the unilateral implement and the differential type accelerator and use into the generator group; at the same time, the two ends of the differential type accelerator are additionally provided with unilateral energy storing buffering synchronizer so as to make the wind wheels at the two sides rotate softly and stably and the make the rotating speed of the generator be more stable and the utilizing rate of the wind power be higher. The utility model is simple in structure and rational in design, which can produce favorable economic benefit and social benefit.
Description
Technical field
The utility model relates to technical field of wind power generation, be specially a kind ofly operate steadily, horizontal quadrature differential type that cost performance is higher rotates the double sided impeller wind power generating set in the same way.
Background technique
Wind-driven generator is to be mechanical energy with wind energy transformation, mechanical energy is converted into the electromechanical equipment of electric energy again.Wind-driven generator is usually by wind wheel, form wind apparatus, arrangements for speed regulation, transmission device, generator, pylon, stop mechanism etc., wherein wind wheel is the parts of wind-power generator maximal basis, most critical, effect is to catch and the absorption wind energy, and wind energy is transformed into mechanical energy, give transmission device by rotor shaft with energy transport again, its good design, reliable quality and superior performance are the determinant factors that guarantees the normal stable operation of unit.At present, domestic wind-driven generator is in the majority with single wind wheel, an i.e. wind wheel, axle acting generating, the wind energy that wind wheel is caught changes mechanical energy into, flow to generator then after multi-stage acceleration device speedup, the shortcoming of this unit is that efficient is lower, and investment is high, floor space is bigger, and Utilization ratio such as control system, pylon are low.
Continuous development along with art technology, people have developed the bilobed wheel wind power generating set, such as being 200420041810.3 in the patent No., denomination of invention discloses a Chinese patent in the patent application of " two wind turbine generator ", its technology contents is rotor axle head and the stator axle head that the wind turbine of a right handed wind turbine and a counter clockwise direction rotation is installed in generator respectively, under the effect of wind-force, make epitrochanterian clockwise wind turbine rotation, and the wind turbine that is positioned at the stator axle head is rotated counterclockwise, both sides wind wheel counterrotating, the driven gear system works, finally by generator output electric energy, the wind power generating set of this structure has effectively been utilized existing pylon, control system, saved equipment investment, but the wind-driven generator of said structure is in running, because after the wind energy that wind wheel is caught converts mechanical energy to, speed directly is connected with the stator or the rotor of generator without speed increaser amplifies, rotating speed is lower, and generator reaches per minute 750 at rotating speed and changes and (annotate: could effectively work when 8 utmost point motor speeds) above, so the wind generating set structure of said structure is unreasonable, generating efficiency is lower.In addition, the double-wind-impeller wind-driven generator that also has some other structures, but its ubiquitous problem is that speed increasing gear train is not supporting with it targetedly, thereby cause the wind wheel rotation of two upper and lower wind directions unstable, it is asynchronous and to the gear train wearing and tearing that impact upper and lower both sides wind speed round often to occur, the harm that the resonance probability that the bilateral wind wheel is caused increases is underestimated, and then causes the wind-driven generator rotary speed unstabilization fixed, and finally causes generating efficiency lower.
Summary of the invention
The utility model is unstable for two wind wheel rotations that solve existing bilobed wheel wind power generating set, often occur asynchronous and to the gear train wearing and tearing that impact, problems such as the while can cause that also the wind-driven generator rotary speed unstabilization is decided provide a kind of horizontal quadrature differential type to rotate the double sided impeller wind power generating set in the same way.
The utility model is to adopt following technological scheme to realize: horizontal quadrature differential type rotates the double sided impeller wind power generating set in the same way, comprise pylon, control system, yaw system, stop mechanism, generator is installed on the pylon, also comprise at up and down wind direction and homodromal two wind wheels and the differential type speed increaser between two wind wheels, the rotor shaft axle head of wind wheel is connected with the low speed end of first order speed increaser respectively, the speed end of first order speed increaser is connected with the input end of the two-semiaxle of differential type speed increaser respectively, one-way element also is housed respectively on the input end of the two-semiaxle of differential type speed increaser, and the output shaft of differential type speed increaser is connected with the input shaft of generator.The effect of described one-way element is that two semiaxis that guarantee differential type speed increaser rotate in the same way, and two wind wheels are rotated in the same way.The utility model combines one-way element and differential type speed increaser first and applies in the wind power generating set, make and be positioned at up and down that two wind wheels of wind direction rotate in the same way, wind energy is converted into mechanical energy by rotor shaft, at first after the different first order speed increaser difference speedup of speedup multiple proportions, reach close rotating speed, then behind differential type speed increaser with amounts of rotation speedup and evenly output, thereby reduced wearing and tearing between gear, reduced the resonance probability, made the normal stable operation of generator.First order speed increaser described in the utility model is planet gear speed increaser (NGW), is existing known products.
Generator set described in the utility model also comprises the unidirectional accumulation of energy buffering synchronizer that be arranged in parallel with differential type speed increaser, this device comprises spindle-type accumulation of energy torque spring, the two ends of this spring are fixed with rotatingshaft respectively, inertial flywheel is housed on the rotatingshaft, the outside of inertial flywheel is connected by the two-semiaxle of transmission part with differential type speed increaser respectively, and described transmission part is sprocket wheel or belt pulley or transition gear architecture.This device mainly is a rotating speed of coordinating wind-driven generator both sides wind wheel, with rotating machinery energy and asynchronous moment of torsion potential energy process dynamic equalization, storage, buffering and stable output, reduces rigid impulse, wearing and tearing between differential type speed increaser engaging gear.
Above-mentioned said one-way element comprises overcoat, keep off the fuse that is contained in the overcoat endoporus by flat silk, between overcoat and the fuse steel ball is housed, the inner hole surface of overcoat is provided with ratchet, be equipped with on the fuse with the very heavy of ratchet engagement and with the very heavy very heavy spring that is connected, be evenly equipped with keyway on the overcoat outer rim, one-way element is connected with the support of the input end of the two-semiaxle of differential type speed increaser by its outer keyway that puts, and the working principle of above-mentioned one-way element is consistent with the working principle of bicycle freewheel.When the driving power of rotor shaft hour, one-way element can adopt unilateral bearing to replace, this unilateral bearing is existing known configurations.
The output shaft of described rotor shaft and differential type speed increaser is horizontal quadrature to be arranged, and to make full use of existing pylon and control system, when the output shaft of differential type speed increaser was single shaft, rotor shaft was "T"-shaped arrangement with it; When the output shaft of differential type speed increaser was two shaft, rotor shaft was the arrangement of "+" shape with it.
Described differential type speed increaser comprises speed increaser, differential mechanism, the two supports of differential casing is in the seat hole of speed increaser housing, the driving gear of speed increaser is fixed on the flange of differential casing, make one with the driven gear and the output shaft of driving gear engagement, and be supported on the speed increaser housing by bearing; In the differential casing corresponding about a seat hole internal support semiaxis is arranged, the two-semiaxle gear is connected with semiaxis by spline; Corresponding grooves is embedded with planet pin on the end face of differential mechanism two halves housing, and each axle journal come-up of planet pin is with planetary pinion, planetary pinion and two differential gear engagements.The main reducing gear of ransaxle, the structural similarity of differential mechanism on differential type speed increaser described in the utility model and the automobile are just with the proportional amplification of its each parts, to increase transmission power.
In order further to increase transmission power, improve generating efficiency, the profile of tooth of the driven gear of differential type speed increaser described in the utility model is a non-symmetry structure, to increase the area of contact of the flank of tooth, improve the overlap coefficient between gear, the profile of tooth of driven gear is as the criterion fully meshing with the driving gear flank of tooth; The main stress face of driving gear is set up groove with the infall of time stressed flank of tooth, and groove has three effects at this, and the one, can prolong working life of driving gear, because the very easily wearing and tearing in long-time using process of the main stress face of driving gear; The 2nd, can reduce the wearing and tearing of the driven gear crown that meshes with driving gear main stress face; The 3rd, can play the Oil Guide effect, make that the contact between the flank of tooth is more smooth, even.
Compared with prior art, the utility model combines one-way element and differential type speed increaser first and applies in the wind power generating set, make and be positioned at up and down that two wind wheels of wind direction rotate in the same way, afterwards wind energy is converted to mechanical energy output to drive generator for electricity generation, simultaneously for make both sides wind wheel flexibility, in the same way, stable rotation, the wind-driven generator rotating speed more becomes steadily, sets up unidirectional accumulation of energy at differential type speed increaser two ends and cushions synchronizer, the wind energy utilization height can be realized high-power generating; And the two wind wheel generations of employing, can reduce the investment of Large-scale Wind Turbines aspect occupation of land, pylon and control greatly, raise the efficiency more than 40%, make every watt of cost below two yuan, simple in structure, reasonable in design, can produce good economic benefit and social benefit.
Description of drawings
Fig. 1 is a working principle skeleton diagram of the present utility model
Fig. 2 is the structural representation of differential type speed increaser described in the utility model
Fig. 3 is the structural representation of one-way element described in the utility model
Fig. 4 is the structural representation of unidirectional accumulation of energy buffering synchronizer described in the utility model
Fig. 5 is the cross sectional representation of the profile of tooth of differential type speed increaser driving gear among Fig. 2
Among the figure: 25-stress surface of the very heavy 12-keyway of 1-spindle-type accumulation of energy torque spring 2-rotatingshaft 3-inertial flywheel 4-transmission part 5-semiaxis 6-overcoat 8-fuse 9-steel ball 10-ratchet 11-14-output shaft 15-differential casing 16-speed increaser housing 17-driving gear 18-driven gear 19-differential gear 20-planet pin 21-planetary pinion 22-support 23-main stress face 24-groove
Embodiment
Horizontal quadrature differential type rotates the double sided impeller wind power generating set in the same way, comprise pylon, control system, yaw system, stop mechanism, generator is installed on the pylon, also comprise at up and down wind direction and homodromal two wind wheels and the differential type speed increaser between two wind wheels, following rotor diameter is to go up more than 1.2 times of rotor diameter, the rotor shaft axle head of wind wheel is connected with the low speed end of first order speed increaser respectively, the speed end of first order speed increaser is connected with the input end of the two-semiaxle of differential type speed increaser respectively, also be respectively equipped with first order speed increaser between the input end of two rotor shaft axle heads and differential type speed increaser, select for use and the speedup multiple proportions of speed increaser can be decided according to generated output and wind regime, also comprise the unidirectional accumulation of energy buffering synchronizer that be arranged in parallel with differential type speed increaser, one-way element also is housed respectively on the input end of the two-semiaxle of differential type speed increaser, and the output shaft of differential type speed increaser is connected with the input shaft of generator.The output shaft of described rotor shaft and differential type speed increaser is horizontal quadrature to be arranged, and when the output shaft of differential type speed increaser was single shaft, rotor shaft was "T"-shaped arrangement with it; When the output shaft of differential type speed increaser was two shaft, rotor shaft was the arrangement of "+" shape with it.In power generation process, the energy that the both sides wind wheel produces is after first order speed increaser amplifies rotating speed, guarantee that under the effect of one-way element the both sides wind wheel rotates in the same way, then in the input end input differential type speed increaser by two-semiaxle, after the secondary speedup, by even, the stable output of output shaft, the unidirectional accumulation of energy buffering synchronizer that is connected with two-semiaxle simultaneously makes asynchronous moment of torsion potential energy that rotating machinery energy that wind wheel produces and two-semiaxle produce through storage, buffering and stable output, assurance generator normal and stable operation.
As shown in Figure 3, described one-way element comprises overcoat 6, keep off the fuse 8 that is contained in overcoat 6 endoporus by flat silk, between overcoat 6 and the fuse 8 steel ball 9 is housed, the inner hole surface of overcoat 6 is provided with ratchet 10, very heavy 11 and the very heavy spring that is connected with very heavy 11 with ratchet 10 engagement are installed on the fuse 8, are evenly equipped with keyway 12 on overcoat 6 outer rims, one-way element is connected with the support 22 of the input end of the two-semiaxle of differential type speed increaser by keyway that it puts outward.When overcoat just changeed, very heavy spring was upspring, the ratchet engagement of very heavy and overcoat; When mantle reversal, the ratchet that puts is outward depressed very heavy, and overcoat and fuse form idle running, thereby the both sides semiaxis is rotated in the same way.When the driving power of rotor shaft hour, one-way element can adopt unilateral bearing to substitute;
As shown in Figure 4, described unidirectional accumulation of energy buffering synchronizer comprises spindle-type accumulation of energy torque spring 1, it is fixing with rotatingshaft 2 respectively that spline or pin or screw can be passed through in the two ends of this spring, this is that those of ordinary skill in the art is easy to realize, inertial flywheel 3 is housed on the rotatingshaft 2, inertial flywheel 3 is fixed by keyway on it and rotatingshaft, the outside of inertial flywheel 3 is connected with the two-semiaxle 5 of differential type speed increaser by transmission part 4 respectively, described inertial flywheel can be one or more groups, described transmission part is sprocket wheel or belt pulley or transition gear architecture, when both sides wind wheel rotational speed is still variant and asynchronous after first order speedup, through the both sides semiaxis, transmission part is passed to the accumulation of energy torque spring, with with rotating mechanical energy, asynchronous moment of torsion potential energy storage, buffering, stable then output; On the rotatingshaft of unidirectional accumulation of energy buffering synchronizer electronic clutch can be installed, be convenient to the running down of brake and special operation condition.
As shown in Figure 2, described differential type speed increaser comprises speed increaser, differential mechanism, the two supports of differential casing 15 is in the seat hole of speed increaser housing 16, the driving gear 17 of speed increaser is fixed on the flange of differential casing 15, make one with the driven gear 18 of driving gear 17 engagements with output shaft 14, and be supported on the speed increaser housing 16 by bearing; In the differential casing 15 corresponding about a seat hole internal support semiaxis 5 is arranged, two-semiaxle gear 19 is connected with semiaxis 5 by spline; Corresponding grooves is embedded with planet pin 20 on the end face of differential mechanism two halves housing, each axle journal come-up of planet pin 20 is with planetary pinion 21, planetary pinion 21 and two differential gear 19 engagements, as shown in Figure 5, the profile of tooth of described driven gear 18 is a non-symmetry structure, and the main stress face 23 of driving gear 17 is set up semi-circular recesses 24 with time stress surface 25 infalls.In order to guarantee that the planetary pinion center of aligning is beneficial to two differential gears and correctly meshes, the internal surface of planetary behind and differential casing relevant position is all made sphere, and driving gear, driven tooth train can adopt Gleason (Gleason) or Ao Likang (Oerlikon) system helical bevel gear or hyperboloid gear.In the wind-power electricity generation process, after the both sides wind wheel converts wind energy to mechanical energy, be passed to differential type speed increaser through rotor shaft, the bang path of differential type speed increaser internally-powered is: bilateral semiaxis → one-way element → differential gear → planetary pinion → planet pin → differential casing → driving gear → driven gear → output shaft, when the bilateral semiaxis rotated with same rotational speed, planetary pinion was around one revolution of semiaxis rotational; When both sides semiaxis rotating speed not simultaneously, then planetary pinion is when doing above-mentioned revolution motion, also around self rotational-rotation, like this, the amounts of rotation that the both sides semiaxis is delivered on the driving gear is the average of the two amounts of rotation.When generated output is big, excessive wear for fear of driven gear, the speedup multiple proportions of preferably controlling driven gear and driving gear can be set up the single-stage planetary gear speeder at the output shaft end of differential type speed increaser simultaneously between 2-5, to improve whole speedup multiple proportions.
Claims (8)
1. horizontal quadrature differential type rotates the double sided impeller wind power generating set in the same way, comprise pylon, control system, yaw system, stop mechanism, generator is installed on the pylon, it is characterized in that also comprising at up and down wind direction and homodromal two wind wheels and the differential type speed increaser between two wind wheels, the rotor shaft axle head of wind wheel is connected with the low speed end of first order speed increaser respectively, the speed end of first order speed increaser is connected with the input end of the two-semiaxle of differential type speed increaser respectively, one-way element also is housed respectively on the input end of the two-semiaxle of differential type speed increaser, and the output shaft of differential type speed increaser is connected with the input shaft of generator.
2. horizontal quadrature differential type according to claim 1 rotates the double sided impeller wind power generating set in the same way, it is characterized in that also comprising the unidirectional accumulation of energy buffering synchronizer that be arranged in parallel with differential type speed increaser, this device comprises spindle-type accumulation of energy torque spring (1), the two ends of this spring are fixing with rotatingshaft (2) respectively, inertial flywheel (3) is housed on the rotatingshaft (2), and the outside of inertial flywheel (3) is connected with the two-semiaxle (5) of differential type speed increaser by transmission part (4) respectively.
3. horizontal quadrature differential type according to claim 2 rotates the double sided impeller wind power generating set in the same way, it is characterized in that described transmission part is sprocket wheel or belt pulley or transition gear architecture.
4. horizontal quadrature differential type according to claim 1 and 2 rotates the double sided impeller wind power generating set in the same way, it is characterized in that above-mentioned said one-way element comprises overcoat (6), be contained in the interior fuse (8) of overcoat (6) endoporus by flat silk retaining, between overcoat (6) and the fuse (8) steel ball (9) is housed, the inner hole surface of overcoat (6) is provided with ratchet (10), very heavy (11) and the very heavy spring that is connected with very heavy (11) with ratchet (10) engagement are installed on the fuse (8), be evenly equipped with keyway (12) on overcoat (6) outer rim, one-way element is connected with the support (22) of the input end of the two-semiaxle of differential type speed increaser by the keyway (12) on its overcoat (6).
5. horizontal quadrature differential type according to claim 1 and 2 rotates the double sided impeller wind power generating set in the same way, it is characterized in that above-mentioned said one-way element is a unilateral bearing.
6. horizontal quadrature differential type according to claim 1 and 2 rotates the double sided impeller wind power generating set in the same way, it is characterized in that the output shaft (14) of rotor shaft and differential type speed increaser is the horizontal quadrature arrangement.
7. horizontal quadrature differential type according to claim 1 and 2 rotates the double sided impeller wind power generating set in the same way, it is characterized in that described differential type speed increaser comprises speed increaser, differential mechanism, the two supports of differential casing (15) is in the seat hole of speed increaser housing (16), the driving gear of speed increaser (17) is fixed on the flange of differential casing (15), and the driven gear (18) of driving gear (17) engagement makes one with output shaft (14), and is supported on the speed increaser housing (16) by bearing; In the differential casing (15) corresponding about a seat hole internal support semiaxis (5) is arranged, two-semiaxle gear (19) is connected with semiaxis (5) by spline; Corresponding grooves is embedded with planet pin (20) on the end face of differential mechanism two halves housing, and each axle journal come-up of planet pin (20) is with planetary pinion (21), planetary pinion (21) and two differential gears (19) engagement.
8. horizontal quadrature differential type according to claim 7 rotates the double sided impeller wind power generating set in the same way, the profile of tooth that it is characterized in that described driven gear (18) is a non-symmetry structure, the profile of tooth of driven gear is as the criterion fully meshing with the driving gear flank of tooth, and the main stress face (23) of driving gear (17) is set up groove (24) with time stress surface (25) infall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201009723U CN201025241Y (en) | 2007-04-05 | 2007-04-05 | Horizontal orthogonal and differential speed one-direction rotary and dual-side left wheel wind power generator unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201009723U CN201025241Y (en) | 2007-04-05 | 2007-04-05 | Horizontal orthogonal and differential speed one-direction rotary and dual-side left wheel wind power generator unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201025241Y true CN201025241Y (en) | 2008-02-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201009723U Expired - Fee Related CN201025241Y (en) | 2007-04-05 | 2007-04-05 | Horizontal orthogonal and differential speed one-direction rotary and dual-side left wheel wind power generator unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201025241Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103174606A (en) * | 2011-12-22 | 2013-06-26 | 华锐风电科技(集团)股份有限公司 | Wind turbine generator drive system |
| CN106321357A (en) * | 2016-08-18 | 2017-01-11 | 上海电机学院 | Two-wind-directional double-feed asynchronous wind driven generator |
| CN112691480A (en) * | 2019-10-23 | 2021-04-23 | 河南森源重工有限公司 | Fog gun air duct, fog gun, dust suppression vehicle and spraying machine |
| CN112943539A (en) * | 2021-02-05 | 2021-06-11 | 河南恒聚新能源设备有限公司 | High-power vertical axis turbine wind power generation power configuration device |
-
2007
- 2007-04-05 CN CNU2007201009723U patent/CN201025241Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103174606A (en) * | 2011-12-22 | 2013-06-26 | 华锐风电科技(集团)股份有限公司 | Wind turbine generator drive system |
| CN106321357A (en) * | 2016-08-18 | 2017-01-11 | 上海电机学院 | Two-wind-directional double-feed asynchronous wind driven generator |
| CN112691480A (en) * | 2019-10-23 | 2021-04-23 | 河南森源重工有限公司 | Fog gun air duct, fog gun, dust suppression vehicle and spraying machine |
| CN112943539A (en) * | 2021-02-05 | 2021-06-11 | 河南恒聚新能源设备有限公司 | High-power vertical axis turbine wind power generation power configuration device |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080220 |