CN102705181B - Starting device for vertical axis wind turbine (VAWT) - Google Patents
Starting device for vertical axis wind turbine (VAWT) Download PDFInfo
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- CN102705181B CN102705181B CN201210174505.0A CN201210174505A CN102705181B CN 102705181 B CN102705181 B CN 102705181B CN 201210174505 A CN201210174505 A CN 201210174505A CN 102705181 B CN102705181 B CN 102705181B
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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
- Y02E10/74—Wind turbines with rotation axis perpendicular to the wind direction
Abstract
The invention discloses a starting device for a vertical axis wind turbine (VAWT). The device comprises a wind wheel main shaft and a wind wheel, wherein turbine blades are fixedly connected with the outer ends of blade support plates; when the turbine blades rotate, the inner ends of the blade support plates transmit torque to the wind wheel main shaft, and the wind wheel main shaft is driven to rotate; the inner ends of the blade support plates are fixed on a hollow sleeve bearing seat; the hollow sleeve bearing seat is arranged on the wind wheel main shaft through bearings; a wind speed adaptive clutch controls the hollow sleeve bearing seat to transmit power to the wind wheel main shaft; a driving part of the wind speed adaptive clutch is fixedly connected with the hollow sleeve bearing seat, and a driven part of the wind speed adaptive clutch synchronously rotates with the wind wheel main shaft and can move along the axial direction of the wind wheel main shaft, so that the driving part and the driven part of the wind speed adaptive clutch are engaged and disengaged; and when the driving part and the driven part are combined and synchronously rotate, the torque is transmitted to the wind wheel main shaft, a turbine main shaft is driven to rotate, and the VAWT is started. By the device, wind power utilization efficiency is improved, and the self-starting performance of the VAWT is optimized.
Description
Technical field
The present invention relates to a kind of generator starting drive, on the suitable especially lifting-force type vertical-axis wind power generator that is arranged on self-starting poor-performing, for improving the low speed start performance of generator.
Background technique
Wind-driven generator is a kind of by the energy conversion device of wind energy conversioning mechanical energy, electric energy or heat energy, and by the difference in direction in space position of rotor shaft, it can be divided into horizontal axis wind-driven generator and vertical axis aerogenerator two classes.
Vertical axis aerogenerator (VAWT vertical axis wind turbine), from structural principle, is mainly divided into lift-type and resistance type.Resistance force type vertical shaft wind power generator is mainly to utilize air to flow through resistance that blade produces as driving force, and lift-type is to utilize air to flow through lift that blade produces as driving force.Resistance type wind-driven generator advantage is that starting torque is larger, and startability is good, but its rotating speed is low, and wind energy conversion system wind energy utilization is lower than horizontal axis wind-driven generator.Lift-type rotating speed is high, and rotatory inertia is large, and structure is relatively simple, and cost is lower, but this structure is when vertical axis aerogenerator brings into operation, and starts in the situation that more difficult especially wind speed is little runnability poor.
The wind wheel of vertical axis windmill is around a vertical axis revolving, its major advantage be without to wind, simple in structure and maintenance maintenance convenient.But because the blade of vertical axis windmill is subject to the objective restriction of material and structure, its rated speed is lower than the wind speed round of horizontal axis wind-driven generator, causes wind energy utilization efficiency lower.Secondly, vertical axis aerogenerator is in the situation that wind speed is lower, and self-starting Performance Ratio horizontal-shaft wind turbine is poor, and while having caused low wind speed, generating efficiency is lower, causes the low speed start performance of generator not ideal enough.
Summary of the invention
forsolution prior art problem, the object of the present invention is to provide a kind of vertical axis aerogenerator starting drive, can realize vertical axis aerogenerator and start smoothly when lower wind speed, improve wind energy utilization efficiency, optimize the self-starting performance of vertical axis aerogenerator.
To achieve the above object of the invention, the present invention adopts following technical proposals:
A kind of vertical axis aerogenerator starting drive, comprise wind wheel main shaft and wind wheel, wind wheel main shaft is coaxially fixedly connected with generator shaft by coupling, wind wheel drives wind wheel main shaft to rotate, generator is started, wind wheel at least comprises two generator blades, and be uniformly distributed around wind wheel main shaft, generator blade is fixedly connected with the outer end of blade dunnage, when generator blade rotates, the inner of blade dunnage is to wind wheel main shaft transmitting torque, and then drive wind wheel main shaft to rotate, the inner of blade dunnage is fixed on empty set bearing support, empty set bearing support is installed on wind wheel main shaft by least one bearing again, empty set bearing support is fixedly connected with the outer ring of bearing, the inner ring of bearing and the fastening assembly connection of wind wheel main shaft, bearing restriction empty set bearing support moves axially along wind wheel main shaft, separately there is wind speed adaptive clutch to control empty set bearing support to wind wheel main shaft transmission power, wind speed adaptive clutch comprises initiative part and follower, the initiative part of wind speed adaptive clutch is fixedly connected with empty set bearing support, the follower of wind speed adaptive clutch and wind wheel spindle synchronous are rotationally connected, the follower of wind speed adaptive clutch can also move along the axial direction of wind wheel main shaft, make wind speed adaptive clutch comprise initiative part and the mutual clutch of follower, when generator blade is under wind-force effect during lower than rated speed, the initiative part of wind speed adaptive clutch and secondary part from, unpowered transmission between blade dunnage and wind wheel main shaft, when generator blade is issued to or during higher than rated speed in wind-force effect, the initiative part of wind speed adaptive clutch and follower combination the rotation of synchronizeing, blade dunnage passes through initiative part, follower is to wind wheel main shaft transfer of torque, and then drive generator shaft to rotate, vertical axis aerogenerator is started.
Above-mentioned wind speed adaptive clutch preferably adopts friction clutch.
Above-mentioned wind speed adaptive clutch preferably preferably adopts double friction clutch, its initiative part is two internal friction discs, its follower is two external friction dishes, internal friction disc and external friction dish are all placed on wind wheel main shaft, internal friction disc is arranged at empty set bearing support both sides, the back side of internal friction disc is fixed on empty set bearing support, external friction dish is circumferentially fixing by link and wind wheel main shaft, external friction dish can not be rotated with respect to wind wheel main shaft, external friction dish can endwisely slipping along wind wheel main shaft, the front rubbing surface of external friction dish carry out Engage and disengage corresponding with the front rubbing surface of internal friction disc, the back side of friction disk is also provided with hold-down mechanism outside, hold-down mechanism can endwisely slipping along wind wheel main shaft, hold-down mechanism is synchronizeed and is rotated with empty set bearing support, the centrifugal force that hold-down mechanism produces the rotation of empty set bearing support is converted into the back side applied pressure of outside friction disk, external friction dish is combined with internal friction disc and forms friction pair to carry out transmission.
Hold-down mechanism comprises two compressing members and at least two group slide-block mechanisms, slide-block mechanism is uniformly distributed around wind wheel main shaft, slide-block mechanism is all between two adjacent generator blades, and maintenance does not contact with blade dunnage, two compressing members compress the back side of two external friction dishes, every group of slide-block mechanism all comprises a slide block, a guide rail and two connecting rods, guide rail all has one end to be fixedly connected with empty set bearing support by a track base, the other end of guide rail is all the end of encorbelmenting, slide block slides along guide rail, each slide block all with two rod hinge connections, the two piece connecting rods hinged with same slide block all have again one end hinged with two compressing members respectively.
Above-mentioned wind wheel main shaft preferably adopts multidiameter shaft, and empty set bearing support is assemblied in respectively on the shaft part of different radii shaft section with two external friction dishes that are positioned at empty set bearing support both sides.
Link between above-mentioned external friction dish and wind wheel main shaft preferably adopts spline.
Above-mentioned generator blade is preferably 4, and the slide-block mechanism of hold-down mechanism preferably also comprises 4 groups.
Above-mentioned empty set bearing support is preferably installed on wind wheel main shaft by a pair of bearing arranged side by side, and bearing preferably adopts tapered roller bearing.
Above-mentioned internal friction disc is preferably inner cone dish, the front rubbing surface indent that is internal friction disc forms inner conical rubbing surface, external friction dish is preferably external cone plate, it is the tapered rubbing surface of front rubbing surface spirogyrate of external friction dish, the internal friction disc front rubbing surface shape corresponding with external friction dish matches, be when internal friction disc and external friction dish in conjunction with time, form the combinating face friction pair of truncated cone.
Above-mentioned compressing member is preferably the X-form cross member of one, has 4 radially overhanging ends, and radially overhanging end is corresponding hinged respectively for each connecting rod and each compressing member 4.
The present invention compared with prior art, has following apparent outstanding substantive distinguishing features and remarkable advantage:
1. the present invention can realize vertical axis aerogenerator and starts smoothly when lower wind speed, improves wind energy utilization efficiency, optimizes the self-starting performance of vertical axis aerogenerator;
2. the present invention has the advantages such as simple in structure, lightweight, maintenance and use is convenient, and the present invention can be widely used on vertical axis aerogenerator.
accompanying drawing explanation
Fig. 1 is the sectional drawing that the embodiment of the present invention one vertical axis aerogenerator starting drive dissects along its wind wheel main-shaft axis.
Fig. 2 is the external overall structural representation of the embodiment of the present invention three vertical axis aerogenerator starting drives.
Fig. 3 is the plan view of Fig. 2.
Fig. 4 is the sectional drawing that the embodiment of the present invention four vertical axis aerogenerator starting drives dissect along its wind wheel main-shaft axis.
Fig. 5 is the overall structure plan view of the embodiment of the present invention five vertical axis aerogenerator starting drives.
embodiment
By reference to the accompanying drawings, to the preferred embodiments of the present invention, details are as follows:
embodiment one:
Referring to Fig. 1, a kind of vertical axis aerogenerator starting drive, comprise wind wheel main shaft 17 and wind wheel, wind wheel main shaft 17 is coaxially fixedly connected with generator shaft 14 by coupling 13, wind wheel drives wind wheel main shaft 17 to rotate, generator is started, wind wheel at least comprises two generator blades 15, and be uniformly distributed around wind wheel main shaft 17, generator blade 15 is fixedly connected with the outer end of blade dunnage 16, when generator blade 15 rotates, the inner of blade dunnage 16 is to wind wheel main shaft 17 transmitting torques, and then drive wind wheel main shaft 17 to rotate, it is characterized in that: the inner of blade dunnage 16 is fixed on empty set bearing support 1, empty set bearing support 1 is installed on wind wheel main shaft 17 by least one bearing 4 again, empty set bearing support 1 is fixedly connected with the outer ring of bearing 4, the inner ring of bearing 4 and the fastening assembly connection of wind wheel main shaft 17, bearing 4 restriction empty set bearing supports 1 move axially along wind wheel main shaft 17, separately there is wind speed adaptive clutch to control empty set bearing support 1 to wind wheel main shaft 17 transmission power, wind speed adaptive clutch comprises initiative part and follower, the initiative part of wind speed adaptive clutch is fixedly connected with empty set bearing support 1, the follower of wind speed adaptive clutch is synchronizeed and is rotationally connected with wind wheel main shaft 17, the follower of wind speed adaptive clutch can also move along the axial direction of wind wheel main shaft 17, make wind speed adaptive clutch comprise initiative part and the mutual clutch of follower, when generator blade 15 is under wind-force effect during lower than rated speed, the initiative part of wind speed adaptive clutch and secondary part from, unpowered transmission between blade dunnage 16 and wind wheel main shaft 17, when generator blade 15 is issued to or during higher than rated speed in wind-force effect, the initiative part of wind speed adaptive clutch and follower combination the rotation of synchronizeing, blade dunnage 16 passes through initiative part, follower is to wind wheel main shaft 17 transfer of torque, and then drive generator shaft 14 to rotate, vertical axis aerogenerator is started.
In the present embodiment, above-mentioned wind speed adaptive clutch preferably adopts friction clutch.
In the present embodiment, above-mentioned wind speed adaptive clutch preferably adopts double friction clutch, and its initiative part is two internal friction discs 8, 10, its follower is two external friction dishes 7, 11, internal friction disc 8, 10 and external friction dish 7, 11 are all placed on wind wheel main shaft 17, internal friction disc 8, 10 are arranged at empty set bearing support 1 both sides, internal friction disc 8, 10 the back side is fixed on empty set bearing support 1, external friction dish 7, 11 is circumferentially fixing by link and wind wheel main shaft 17, makes external friction dish 7, 11 can not rotate with respect to wind wheel main shaft 17, external friction dish 7, 11 can be along the endwisely slipping of wind wheel main shaft 17, external friction dish 7, 11 front rubbing surface and internal friction disc 8, 10 the corresponding Engage and disengage that carries out of front rubbing surface, friction disk 7 outside, 11 the back side is also provided with hold-down mechanism, and hold-down mechanism can be along the endwisely slipping of wind wheel main shaft 17, and hold-down mechanism is synchronizeed rotation with empty set bearing support 1, and the centrifugal force that hold-down mechanism produces 1 rotation of empty set bearing support is converted into outside friction disk 7, 11 back side applied pressure, makes external friction dish 7, 11 with internal friction disc 8, 10 in conjunction with and form friction pair and carry out transmission.Double friction clutch compact structure, can adopt the rubbing surface of different materials, is convenient to manufacture, install and adjust, allows to engage under speed change, is widely used.
In the present embodiment, hold-down mechanism comprises two compressing members 6, 12 and at least two group slide-block mechanisms, slide-block mechanism is uniformly distributed around wind wheel main shaft 17, slide-block mechanism is all between two adjacent generator blades 15, and maintenance does not contact with blade dunnage 16, two compressing members 6, 12 compress two external friction dishes 7, 11 the back side, every group of slide-block mechanism all comprises a slide block 3, a guide rail 9 and two connecting rods 5, guide rail 9 all has one end to be fixedly connected with empty set bearing support 1 by a track base 2, the other end of guide rail 9 is all the end of encorbelmenting, slide block 3 slides along guide rail 9, each slide block 3 is all hinged with two connecting rods 5, with hinged two connecting rods 5 of same slide block 3 all have again one end respectively with two compressing members 6, 12 is hinged.The combination of compressing member 6,12 and slide-block mechanism has simple in structure, easy for installation, is easy to realize the control to wind speed adaptive clutch clutch action.
Referring to Fig. 1, when having wind, generator blade 15, under wind-force effect, drives empty set bearing support 1 to rotate, and due to bearing 4, wind wheel main shaft 17 does not rotate.Empty set bearing support 1 rotates, due to centrifugal action, slide block 3 on guide rail 9 outwards slides, slide block 3 drives a compressing member along wind wheel main shaft 17 axial downward movement by a connecting rod 5, promoting an external friction dish moves downward, slide block 3 drives another compressing member axially to move upward along wind wheel main shaft 17 by another connecting rod 5, promotes another external friction dish and moves upward.When the rotating speed of empty set bearing support 1 raises, external friction dish contacts with internal friction disc and combination, produce contact stiction, the rotating speed of empty set bearing support 1 is higher, the backside positive pressure power of compressing member 6,12 external friction disks 7,11 is larger, and the frictional force between external friction dish 7,11 and internal friction disc 8,10 is larger.When the frictional force between external friction dish 7,11 and internal friction disc 8,10 is enough large, external friction dish 7,11 and internal friction disc 8,10 combinations, external friction dish 7,11 rotates under internal friction disc 8,10 drives, because external friction dish 7,11 is synchronizeed rotation with wind wheel main shaft 17, external friction dish 7,11 drives wind wheel main shaft 17 to rotate, thereby drive generator shaft 14 to rotate, complete generator and start.
In the present embodiment, above-mentioned internal friction disc 8,10 preferably adopts inner cone dish, the front rubbing surface indent that is internal friction disc 8,10 forms inner conical rubbing surface, external friction dish 7,11 preferably adopts external cone plate, it is the tapered rubbing surface of front rubbing surface spirogyrate of external friction dish 7,11, the corresponding front rubbing surface shape of internal friction disc 8,10 and external friction dish 7,11 matches, be when internal friction disc 8,10 and external friction dish 7,11 in conjunction with time, form the combinating face friction pair of truncated cone.Double friction clutch adopts external cone plate and inner cone dish, under the prerequisite of radial dimension that does not increase double friction clutch, the area of the contact friction face of clutch is increased, and makes the torque that double friction clutch transmission is larger, prevents from skidding between friction disk.
The present embodiment device has been realized vertical axis aerogenerator and has been started smoothly when lower wind speed, when lower wind speed, the external cone plate of double friction clutch is separated with inner cone dish, and generator blade 15 drives empty set bearing support 1 to rotate, due to the effect of bearing 4, now wind wheel main shaft 17 does not rotate.When lower wind speed or when wind speed changes, when empty set bearing support 1 rotating speed increases, effect due to centrifugal force, the slide block 3 being arranged on the guide rail 9 being fixedly connected with empty set bearing support 1 outwards slides, slide block 3 outwards slides and drives 5 motions of hinged with it connecting rod, thereby drive two compressing members 6, 12 compress two external friction dishes 7, 11 the back side, being one of them compressing member moves downward, an external cone plate that promotes double friction clutch moves downward, another compressing member moves upward, another external cone plate that promotes double friction clutch moves upward, thereby the external cone plate of double friction clutch and inner cone dish are fit together, produce stiction, external cone plate and inner cone dish are synchronously rotated, because inner cone dish rotates with empty set bearing support 1, under the contact stiction effect between external cone plate and inner cone dish, and then drive external cone plate to move, again because external cone plate is synchronizeed and is rotationally connected with wind wheel main shaft 17, external cone plate can move along the axial direction of wind wheel main shaft 17 again, thereby drive wind wheel main shaft 17 to rotate, finally drive generator to start.
In the present embodiment, above-mentioned wind wheel main shaft 17 preferably adopts multidiameter shaft, and empty set bearing support 1 is assemblied in respectively on the shaft part of different radii shaft section with two the external friction dishes 7,11 that are positioned at empty set bearing support 1 both sides.Multidiameter shaft can be realized location and the assembling of mounting structure, is convenient to safeguard and use.
embodiment two:
The present embodiment and embodiment's one technological scheme is basic identical, and specialization is:
In the present embodiment, the link between external friction dish 7,11 and wind wheel main shaft 17 is spline.The guidance quality of spline is good, can realize between the external friction dish 7,11 that cooperatively interacts and wind wheel main shaft 17 and realize and being dynamically connected, and have stress concentrate little, the advantage such as load ability to take the burden is strong.
embodiment three:
The present embodiment and embodiment's one technological scheme is basic identical, and specialization is:
In the present embodiment, referring to Fig. 2 and Fig. 3, in the present embodiment, generator blade 15 is 4, and the slide-block mechanism of hold-down mechanism also comprises 4 groups.Adopt 4 generator blades 15 and 4 groups of slide-block mechanisms to form vertical axis aerogenerator starting drives, make device in capturing wind energy as far as possible, the optimization of implement device structure.
embodiment four:
The present embodiment and embodiment's one technological scheme is basic identical, and specialization is:
In the present embodiment, referring to Fig. 4, empty set bearing support 1 is installed on wind wheel main shaft 17 by a pair of bearing 4 arranged side by side, and bearing 4 is tapered roller bearing.Two tapered roller bearing effects reduce the whole generator resistance of start, when empty set bearing support 1 rotating speed reaches certain speed, just drive generator shaft 14 to rotate.
embodiment five:
The present embodiment and embodiment's three technological scheme is basic identical, and specialization is:
In the present embodiment, referring to Fig. 5, the X-form cross member that compressing member 6,12 is integrated, has 4 radially overhanging ends, and radially overhanging end is corresponding hinged respectively for each connecting rod 5 and each compressing member 6,12 4.Compressing member 6,12 is X-shaped shape, in the middle of it be sleeve empty set on wind wheel main shaft 17,4 radially 4 of overhanging end formation stretch out armed lever, be articulated with respectively 4 one end with the hinged connecting rod 5 of slide block 3.X-shaped shape compressing member 6,12 compact structures, save material, and alleviator is conducted oneself with dignity, and further optimize the self-starting performance of vertical axis aerogenerator starting drive.
By reference to the accompanying drawings the embodiment of the present invention is illustrated above, but the invention is not restricted to above-described embodiment, can also make multiple variation according to the object of innovation and creation of the present invention, wind speed adaptive clutch can adopt various clutches, various links adopt other form members, improve vertical axis aerogenerator starting drive self-starting performance of the present invention.The change of making under all Spirit Essences according to technical solution of the present invention and principle, modification, substitute, combination, simplify; all should be equivalent substitute mode; as long as goal of the invention according to the invention; only otherwise deviate from know-why and the inventive concept of vertical axis aerogenerator starting drive of the present invention, all belong to protection scope of the present invention.
Claims (1)
1. a vertical axis aerogenerator starting drive, comprise wind wheel main shaft (17) and wind wheel, described wind wheel main shaft (17) is coaxially fixedly connected with generator shaft (14) by coupling (13), described wind wheel drives wind wheel main shaft (17) to rotate, generator is started, described wind wheel at least comprises two generator blades (15), and be uniformly distributed around described wind wheel main shaft (17), described generator blade (15) is fixedly connected with the outer end of blade dunnage (16), when described generator blade (15) rotates, the inner of described blade dunnage (16) is to described wind wheel main shaft (17) transmitting torque, and then drive described wind wheel main shaft (17) to rotate, it is characterized in that: the inner of described blade dunnage (16) is fixed on empty set bearing support (1), described empty set bearing support (1) is installed on described wind wheel main shaft (17) by least one bearing (4) again, described empty set bearing support (1) is fixedly connected with the outer ring of described bearing (4), the inner ring of described bearing (4) and the fastening assembly connection of described wind wheel main shaft (17), described bearing (4) limits described empty set bearing support (1) and moves axially along described wind wheel main shaft (17), separately there is wind speed adaptive clutch to control described empty set bearing support (1) to described wind wheel main shaft (17) transmission power, described wind speed adaptive clutch comprises initiative part and follower, the initiative part of described wind speed adaptive clutch is fixedly connected with empty set bearing support (1), the follower of described wind speed adaptive clutch is synchronizeed and is rotationally connected with described wind wheel main shaft (17), the follower of described wind speed adaptive clutch can also move along the axial direction of described wind wheel main shaft (17), make described wind speed adaptive clutch comprise initiative part and the mutual clutch of follower, when described generator blade (15) is under wind-force effect during lower than rated speed, the initiative part of described wind speed adaptive clutch and secondary part from, unpowered transmission between described blade dunnage (16) and described wind wheel main shaft (17), when described generator blade (15) is issued to or during higher than rated speed in wind-force effect, the initiative part of described wind speed adaptive clutch and follower combination the rotation of synchronizeing, described blade dunnage (16) is by described initiative part, described follower is to described wind wheel main shaft (17) transfer of torque, and then drive described generator shaft (14) to rotate, vertical axis aerogenerator is started.
2. vertical axis aerogenerator starting drive according to claim 1, is characterized in that: described wind speed adaptive clutch is friction clutch.
3. vertical axis aerogenerator starting drive according to claim 2, is characterized in that: described wind speed adaptive clutch is double friction clutch, and its initiative part is two internal friction discs (8, 10), its follower is two external friction dishes (7, 11), described internal friction disc (8, 10) and described external friction dish (7, 11) be all placed in described wind wheel main shaft (17) above, described internal friction disc (8, 10) be arranged at described empty set bearing support (1) both sides, described internal friction disc (8, 10) it is upper that empty set bearing support (1) is fixed at the back side, described external friction dish (7, 11) circumferentially fixing by link and described wind wheel main shaft (17), make described external friction dish (7, 11) can not rotate with respect to described wind wheel main shaft (17) described external friction dish (7, 11) can be along the endwisely slipping of described wind wheel main shaft (17), described external friction dish (7, 11) front rubbing surface and described internal friction disc (8, 10) the corresponding Engage and disengage that carries out of front rubbing surface, at described external friction dish (7, 11) the back side is also provided with hold-down mechanism, described hold-down mechanism can endwisely slipping along described wind wheel main shaft (17), described hold-down mechanism is synchronizeed rotation with empty set bearing support (1), the centrifugal force that described hold-down mechanism produces described empty set bearing support (1) rotation is converted into described external friction dish (7, 11) back side applied pressure, makes described external friction dish (7, 11) with described internal friction disc (8, 10) in conjunction with and form friction pair and carry out transmission.
4. vertical axis aerogenerator starting drive according to claim 3, it is characterized in that: described hold-down mechanism comprises two compressing members (6, 12) and at least two group slide-block mechanisms, described slide-block mechanism is uniformly distributed around described wind wheel main shaft (17), described slide-block mechanism be all positioned at adjacent two described between generator blade (15), and maintenance does not contact with described blade dunnage (16), two described compressing members (6, 12) compress two described external friction dishes (7, 11) the back side, described in every group, slide-block mechanism all comprises a slide block (3), a guide rail (9) and two connecting rods (5), described guide rail (9) all has one end to pass through a track base (2) to be fixedly connected with described empty set bearing support (1), the other end of described guide rail (9) is all the end of encorbelmenting, described slide block (3) slides along guide rail (9), slide block described in each (3) is all hinged with two described connecting rods (5), with the hinged two described connecting rods (5) of same described slide block (3) all have again one end respectively with two described compressing members (6, 12) hinged.
5. according to the vertical axis aerogenerator starting drive described in claim 3 or 4, it is characterized in that: described internal friction disc (8, 10) be inner cone dish, it is described internal friction disc (8, 10) front rubbing surface indent forms inner conical rubbing surface, described external friction dish (7, 11) be external cone plate, it is described external friction dish (7, 11) the tapered rubbing surface of front rubbing surface spirogyrate, described internal friction disc (8, 10) and described external friction dish (7, 11) corresponding front rubbing surface shape matches, be when described internal friction disc (8, 10) and described external friction dish (7, 11) in conjunction with time, form the combinating face friction pair of truncated cone.
6. vertical axis aerogenerator starting drive according to claim 5, it is characterized in that: described wind wheel main shaft (17) is multidiameter shaft, described empty set bearing support (1) and two the described external friction dishes (7,11) that are positioned at described empty set bearing support (1) both sides are assemblied in respectively on the shaft part of different radii shaft section.
7. according to the vertical axis aerogenerator starting drive described in claim 3 or 4, it is characterized in that: the link between described external friction dish (7,11) and described wind wheel main shaft (17) is spline.
8. vertical axis aerogenerator starting drive according to claim 4, is characterized in that: described generator blade (15) is 4, and the slide-block mechanism of described hold-down mechanism also comprises 4 groups.
9. vertical axis aerogenerator starting drive according to claim 5, is characterized in that: it is upper that described empty set bearing support (1) is installed on described wind wheel main shaft (17) by a pair of bearing arranged side by side (4), and described bearing (4) is tapered roller bearing.
10. vertical axis aerogenerator starting drive according to claim 8, it is characterized in that: the X-form cross member that described compressing member (6,12) is integrated, have 4 radially overhanging ends, radially overhanging end is corresponding hinged respectively for described each connecting rod (5) and compressing member described in each (6,12) 4.
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CN201753663U (en) * | 2010-07-02 | 2011-03-02 | 华南理工大学 | Wind generator using centrifugal device for assisting starting |
FR2950937A1 (en) * | 2009-10-07 | 2011-04-08 | Okwind | WIND BURNER WITH INTERNAL DEFLECTOR |
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CN1834492A (en) * | 2006-04-12 | 2006-09-20 | 严强 | Auto clutch of verticl shaft wind-driven generator |
CN101122322A (en) * | 2006-08-08 | 2008-02-13 | 株式会社F.C.C. | Stepless gear change with centrifugal clutch and its manufacture method |
CN201025246Y (en) * | 2007-05-12 | 2008-02-20 | 郑尔历 | Single oar leaf and horizontal axis airscrew wind force power generator |
CN101839212A (en) * | 2009-03-17 | 2010-09-22 | 欧振玉 | Vertical axis wind power generating device |
CN101846040A (en) * | 2009-03-27 | 2010-09-29 | 王泽思 | Vertical-axis wind turbine |
FR2950937A1 (en) * | 2009-10-07 | 2011-04-08 | Okwind | WIND BURNER WITH INTERNAL DEFLECTOR |
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