CN202157907U - Device for avoiding stalling caused by strong wind of vertical axis wind turbine - Google Patents
Device for avoiding stalling caused by strong wind of vertical axis wind turbine Download PDFInfo
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- CN202157907U CN202157907U CN 201120228216 CN201120228216U CN202157907U CN 202157907 U CN202157907 U CN 202157907U CN 201120228216 CN201120228216 CN 201120228216 CN 201120228216 U CN201120228216 U CN 201120228216U CN 202157907 U CN202157907 U CN 202157907U
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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
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- Y02E10/74—Wind turbines with rotation axis perpendicular to the wind direction
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Abstract
Provided is a device for avoiding stalling caused by strong wind of a vertical axis wind turbine. More than one power generation unit is arranged on a tower column. A crane is arranged at the top of the tower column and provided with a lifting hook. A blade unit includes more than two blades. Each blade is in a bow shape and formed by a bowstring and corresponding arcs. More than one supporting arm is arranged between the bowstring and the arcs and provided with a plurality of lifting lugs for hang of the lifting hooks. More than two pulleys are arranged on the bowstring. Rails with the same quantity as the blades are arranged in each generator unit, and the rails are synchronous with the blades. A sliding mechanism formed by the bowstring and the pulleys is in sliding match with the rails. The upper ends and the lower ends of the blades are both connected with a male connecting mechanism, and the positions on the rails corresponding to the upper ends and the lower ends of the blades are connected with a female connecting mechanism which is matched with the male connecting mechanism. When the device encounters the strong wind, the blades are sequentially lifted and placed on the ground through the crane from bottom to top, thereby being safe and reliable.
Description
Technical field
The utility model relates to vertical axis aerogenerator, especially can high wind causes the device of generator stall.
Background technique
The main effect of wind-driven generator braking mechanism has two aspects: the one, need the vanes fixed of wind power generating set is motionless during overhaul of the equipments, and the 2nd, be to avoid damaging generator set need the vanes fixed of wind power generating set not changeed when running into the powerful especially or typhoon of wind-force.The brake modes of existing wind-driven generator mainly contains mechanical braking mechanism and the brake system that becomes the slurry formula.The water brake mechanism that the braking mechanism of machinery generally is made up of brake disc, brake block and hydraulic control device, the brake disc of this kind braking mechanism is fixed on the main shaft of group of motors, and brake block is controlled by hydraulic control device.When running into the powerful especially or typhoon of wind-force, for the protection wind power generating set is damaged because of the overpower generating, hydraulic control device control brake block clamping spindle; Make its slow-down; Thereby limited the rotating speed of generator, changed in the brake process and whole active forces all is added on the brake block always, this makes mechanical vibration big; The brake block quick abrasion also is not suitable for daily maintenance; The brake system that becomes the slurry formula is to reach through the wind-exposuring area that changes blade to reduce the stressed of blade; Thereby reduce the speed of blade, this kind mode comes in handy under general high wind, but for the wind-force of typhoon class; There is very big risk in this kind brake modes, and braking effect is general.All there is a key issue in above-mentioned two kinds of brake modes, even effect is gathered in brake, the blade of wind-driven generator is also probably blown disconnected by high wind, cause the infringement of generator set.
Summary of the invention
The utility model technical problem to be solved provides a kind of vertical axis aerogenerator and evades the device that high wind causes stall; This is simple in structure; In the time of can solving at wind-force powerful especially or typhoon, the problem of generator set stall and blade broken has been guaranteed the safety of generator set.
For solving the problems of the technologies described above; The technological scheme of the utility model is: a kind of vertical axis aerogenerator is evaded the device that high wind causes stall; Comprise king-post, be located at the more than one generator unit on the king-post; Said generator unit comprises Φ shape vane group, generator, and said vane group upper end is provided with clutch shaft bearing and is connected with the outer ring of clutch shaft bearing, and the vane group lower end is provided with pivot joint and is connected with the rotary part of pivot joint; Said generator comprises inner stator, external rotor; The external rotor upper end is connected with the rotary part of pivot joint; The external rotor lower end is provided with the 3rd bearing and fixes with the 3rd bearing outer ring, and the inner ring of the inner ring of clutch shaft bearing, the fixing part of pivot joint, the 3rd bearing all is enclosed within on the said king-post; Said king-post top is provided with hoist, and said hoist is provided with suspension hook; Said vane group comprises the blade more than two; Said blade is arc, is made up of string and corresponding arc, is provided with the support arm more than between said arc and the string; Said support arm is provided with the hanger that some confession suspension hooks are hung, and said string is provided with plural pulley; Be provided with the quantity track identical between clutch shaft bearing in every generator unit and the 3rd bearing with blade quantity; Said track upper end is fixed with the outer ring of clutch shaft bearing; The outer ring of track lower end and the 3rd bearing is fixed, and said string and pulley are formed coasting mechanism and cooperated with said slide; Said blade upper/lower terminal is equipped with public bindiny mechanism, and corresponding blade upper/lower terminal place is provided with female bindiny mechanism on the said track, and said public bindiny mechanism cooperates with said female bindiny mechanism.
As improvement, said pivot joint is second bearing, and the rotary part of pivot joint is the outer ring of second bearing, and the fixing part of pivot joint is the inner ring of second bearing.
As improvement, said pivot joint is made up of second upper bearing (metal) and second lower bearing, and the rotary part of said pivot joint is respectively the outer ring of second upper bearing (metal) and second lower bearing, and the fixing part of pivot joint is respectively the inner ring of second upper bearing (metal) and second lower bearing; The outer ring of said blade lower end and said second upper bearing (metal) is fixed, and said generator external rotor upper end is fixed with the outer ring of said second lower bearing; Being provided with coupling between the outer ring of the outer ring of second upper bearing (metal) and second lower bearing is connected.
As improvement, said hoist also comprises revolution pylon, shear leg, balance arm, balancer weight, trolley, carriage walking mechanism, drag-line, lifting mechanism and control system; Said shear leg and balance arm are installed on the revolution pylon; Balancer weight is installed in an end of balance arm; Carriage walking mechanism is arranged on the shear leg, and trolley is arranged in the carriage walking mechanism, and suspension hook is arranged on the trolley below; Suspension hook is connected with said drag-line one end, and the other end of drag-line is connected with lifting mechanism.
As improvement; Track in said every generator unit and the track in the adjacent generator unit connect one to one; Conveniently be in the sliding guide of the blade of the above generator unit of the second layer, the blade of top can slide downwards to ground through a track always, and is safe and reliable.
As improvement; Said public bindiny mechanism is two first mounting ears that are arranged side by side with mounting hole; Said female bindiny mechanism is a slice second mounting ear with mounting hole; Said second mounting ear is inserted between two first mounting ears, is connected fixing between first mounting ear and second mounting ear through bearing pin.Be detachable between blade and the track, make things convenient for hoist lifting blade.
As improvement, said public bindiny mechanism comprises slide block, the power mechanism that is connected with slide block, and said female bindiny mechanism is the fitting seat with slot, and said slide block cooperates with said slot.Be detachable between blade and the track, make things convenient for hoist lifting blade.
As improvement, be provided with drag-line between said blade upper/lower terminal and the corresponding support arm, be provided with drag-line between support arm and the support arm.Support arm and zip are used for the reinforced blade structural strength, the time bigger distortion can not take place and influence its structure at blade high speed rotating or lifting.
The beneficial effect that the utility model is compared with prior art brought is:
Evade the device that high wind causes stall by what hoist, removable blade and track were formed, this is simple in structure, and in the time of can solving at wind-force powerful especially or typhoon, the problem of generator set stall and blade broken has been guaranteed the safety of generator set; In addition, hoist can play the effect of good assembling blade, especially is fit to use in highly higher vertical axis aerogenerator.
Description of drawings
Fig. 1 is embodiment's 1 vertical shaft wind power generator structure schematic representation.
Fig. 2 is embodiment's 1 vertical axis aerogenerator sectional view.
Fig. 3 is embodiment's 1 vertical axis aerogenerator unload blade work schematic representation.
Fig. 4 is embodiment's 2 vertical shaft wind power generator structure schematic representation.
Fig. 5 is embodiment's 2 vertical axis aerogenerator sectional views.
Fig. 6 is embodiment's 2 vertical axis aerogenerator unload blade work schematic representation.
Fig. 7 is embodiment's 3 vertical shaft wind power generator structure schematic representation.
Fig. 8 is embodiment's 3 vertical axis aerogenerator sectional views.
Fig. 9 is embodiment's 3 vertical axis aerogenerator unload blade work schematic representation.
Figure 10 is embodiment's 4 vertical shaft wind power generator structure schematic representation.
Figure 11 is embodiment's 4 vertical axis aerogenerator sectional views.
Figure 12 is embodiment's 4 vertical axis aerogenerator unload blade work schematic representation.
Figure 13 is first kind of Placement of blade.
Figure 14 is second kind of Placement of blade.
Figure 15 is the crane structure schematic representation.
Embodiment
Below in conjunction with Figure of description the utility model is described further.
As shown in Figure 1; A kind of vertical axis aerogenerator is evaded the device that high wind causes stall; Comprise king-post 1, be located at the more than one generator unit on the king-post 1; In the present embodiment, only be provided with a generator unit on the said king-post 1, said generator unit comprises Φ shape vane group, outer rotor generator 2, hoist 4.
As shown in Figure 2, said Φ shape vane group upper end is provided with clutch shaft bearing 5, and the inner ring fixed cover of clutch shaft bearing 5 is on king-post 1, and Φ shape vane group upper end is connected with the outer ring of clutch shaft bearing 5; Φ shape vane group lower end is provided with second bearing 6; The inner ring fixed cover of second bearing 6 is on king-post 1; The vane group lower end is connected with the outer ring of second bearing 6, and vane group articulates with king-post 1 through the clutch shaft bearing 5 and second bearing 6, and vane group can rotate freely around king-post 1.Said generator 2 comprises inner stator 22, external rotor 21; Inner stator 22 fixed covers are on king-post 1; External rotor 21 upper ends are connected with the outer ring of second bearing 6; External rotor 21 lower ends are provided with the 3rd bearing 7, the three bearings 7 inner ring fixed covers on king-post 1, and external rotor 21 lower ends are connected with the 3rd bearing 7 outer rings.Said Φ shape vane group mainly is made up of two blades 3, and said blade 3 is arc, is made up of string 32 and 31 corresponding of arcs.Be provided with two support arms 11 between said arc 31 and the string 32; Be provided with drag-line 10 between said blade 3 upper/lower terminals and the corresponding support arm 11; Be provided with drag-line 10 between support arm 11 and the support arm 11; Said support arm 11 is provided with the hanger 12 that some confession suspension hooks are hung, and said string 32 is provided with plural pulley 13.Be provided with the quantity track 8 identical between clutch shaft bearing 5 in the generator unit and the 3rd bearing 7 with blade 3 quantity; Said track 8 upper ends are fixed through the adpting flange 9 and the outer ring of clutch shaft bearing 5; Track 8 lower ends are fixed through the outer ring of adpting flange 9 and the 3rd bearing 7; In order to consolidate track 8, the middle part of track 8 is connected with second bearing, 6 outer rings through adpting flange 9, and the generator external rotor 21 of following that track 8 can be firm is rotated.The string 32 of said blade 3 is formed coasting mechanism with pulley 13, and coasting mechanism and said track 8 are slidingly matched.Said blade 3 upper/lower terminals are equipped with public bindiny mechanism, are provided with female bindiny mechanism in clutch shaft bearing 5 and second bearing, 6 places on the said track 8, and said public bindiny mechanism cooperates with said female bindiny mechanism.
Shown in figure 13; In the present embodiment; Said public bindiny mechanism is two first mounting ears 15 that are arranged side by side with mounting hole; Said female bindiny mechanism is a slice second mounting ear 14 with mounting hole, and said second mounting ear 14 is inserted between two first mounting ears 15, is connected fixing between first mounting ear 15 and second mounting ear 14 through bearing pin.Be detachable between blade 3 and the track 8, make things convenient for hoist 4 lifting blades 3.
Shown in figure 15, said king-post 1 top is provided with hoist 4, and said hoist 4 comprises revolution pylon 47, shear leg 44, balance arm 45, balancer weight 46, trolley 43, carriage walking mechanism, suspension hook 42, drag-line 41, lifting mechanism 48 and control system; Said shear leg 44 is installed on the revolution pylon 47 with balance arm 45; Balancer weight 46 is installed in an end of balance arm 45; Carriage walking mechanism is arranged on the shear leg 44, and trolley 43 is arranged in the carriage walking mechanism, and suspension hook 42 is arranged on trolley 43 belows; Suspension hook 42 is connected with said drag-line one end, and the other end of drag-line is connected with lifting mechanism 48.
As shown in Figure 3, method of work of the present invention is following:
When meeting with high wind, through hoist 4 blade 3 is hung onto ground, the concrete steps that hoist 4 hangs blade 3 are following: the hanger 12 that hoist 4 is hung on blade 3 support arms 11 through suspension hook 42; Then the connection of blade 3 upper/lower terminals being opened makes blade 3 break away from king-post 1; Hoist 4 down hangs blade 3, and blade 3 is in transferring process, and blade 3 slides along track 8 all the time.
Evade the device that high wind causes stall by what hoist 4, removable blade 3 and track 8 were formed, this is simple in structure, and in the time of can solving at wind-force powerful especially or typhoon, the problem that generator 2 stall and blade 3 fracture has been guaranteed the safety of generator 2; In addition, hoist 4 can play the effect of good assembling blade 3, especially is fit to use in highly higher vertical axis aerogenerator.
As shown in Figure 4; A kind of vertical axis aerogenerator is evaded the device that high wind causes stall; Comprise king-post 1, be located at the more than one generator unit on the king-post 1; In the present embodiment, only be provided with two generator units set up and down on the said king-post 1, said generator unit comprises Φ shape vane group, outer rotor generator 2, hoist 4.
As shown in Figure 5, said vane group upper end is provided with clutch shaft bearing 5, and the inner ring fixed cover of clutch shaft bearing 5 is on king-post 1, and the vane group upper end is connected with the outer ring of clutch shaft bearing 5; The vane group lower end is provided with the inner ring fixed cover of second bearing, 6, the second bearings 6 on king-post 1, and the vane group lower end is connected with the outer ring of second bearing 6, and vane group articulates with king-post 1 through the clutch shaft bearing 5 and second bearing 6, and vane group can rotate freely around king-post 1.Said generator 2 comprises inner stator 22, external rotor 21; Inner stator 22 fixed covers are on king-post 1; External rotor 21 upper ends are connected with the outer ring of second bearing 6; External rotor 21 lower ends are provided with the 3rd bearing 7, the three bearings 7 inner ring fixed covers on king-post 1, and external rotor 21 lower ends are connected with the 3rd bearing 7 outer rings.Said Φ shape vane group mainly is made up of two blades 3, and said blade 3 is arc, is made up of string 32 and 31 corresponding of arcs.Be provided with two support arms 11 between said arc 31 and the string 32; Be provided with drag-line 10 between said blade 3 upper/lower terminals and the corresponding support arm 11; Be provided with drag-line 10 between support arm 11 and the support arm 11; Said support arm 11 is provided with the hanger 12 that some confession suspension hooks 42 are hung, and said string 32 is provided with plural pulley 13.Be provided with the quantity track 8 identical between clutch shaft bearing 5 in the generator unit and the 3rd bearing 7 with blade 3 quantity; Said track 8 upper ends are fixed through the adpting flange 9 and the outer ring of clutch shaft bearing 5; Track 8 lower ends are fixed through the outer ring of adpting flange 9 and the 3rd bearing 7; In order to consolidate track 8, the middle part of track 8 is connected with second bearing, 6 outer rings through adpting flange 9, and the generator external rotor 21 of following that track 8 can be firm is rotated.Track 8 in the last generator unit connects one to one with the track 8 in the following generator unit, and the external rotor 21 of two generator units is realized synchronously through the connection of track 8 up and down; After the track 8 of going up generator unit in addition is connected to become a complete track 8 with the track 8 of following generator unit, the sliding guide of the blade 3 of generator unit on the convenience, the blade 3 of top can slide downwards to ground through a track 8 always, and is safe and reliable.The string 32 of said blade 3 is formed coasting mechanism with pulley 13, and coasting mechanism and said track 8 are slidingly matched.Said blade 3 upper/lower terminals are equipped with public bindiny mechanism, are provided with female bindiny mechanism in clutch shaft bearing 5 and second bearing, 6 places on the said track 8, and said public bindiny mechanism cooperates with said female bindiny mechanism.
Shown in figure 13; In the present embodiment; Said public bindiny mechanism is two first mounting ears 15 that are arranged side by side with mounting hole; Said female bindiny mechanism is a slice second mounting ear 14 with mounting hole, and said second mounting ear 14 is inserted between two first mounting ears 15, is connected fixing between first mounting ear 15 and second mounting ear 14 through bearing pin.Be detachable between blade 3 and the track 8, make things convenient for hoist 4 lifting blades 3.
Shown in figure 15, said king-post 1 top is provided with hoist 4, and said hoist 4 comprises revolution pylon 47, shear leg 44, balance arm 45, balancer weight 46, trolley 43, carriage walking mechanism, suspension hook 42, drag-line, lifting mechanism 48 and control system; Said shear leg 44 is installed on the revolution pylon 47 with balance arm 45; Balancer weight 46 is installed in an end of balance arm 45; Carriage walking mechanism is arranged on the shear leg 44, and trolley 43 is arranged in the carriage walking mechanism, and suspension hook 42 is arranged on trolley 43 belows; Suspension hook 42 is connected with said drag-line 41 1 ends, and the other end of drag-line 41 is connected with lifting mechanism 48.
As shown in Figure 6, method of work of the present invention is following:
When meeting with high wind, through hoist 4 blade 3 is hung onto ground, the order that hangs is for hang from the bottom up successively, and the concrete steps that hoist 4 hangs blade 3 are following: the hanger 12 that hoist 4 is hung on blade 3 support arms 11 through suspension hook 42; Then the connection of blade 3 upper/lower terminals being opened makes blade 3 break away from king-post 1; Hoist 4 down hangs blade 3, and blade 3 is in transferring process, and blade 3 slides along track 8 all the time.
Evade the device that high wind causes stall by what hoist 4, removable blade 3 and track 8 were formed, this is simple in structure, and in the time of can solving at wind-force powerful especially or typhoon, the problem that generator 2 stall and blade 3 fracture has been guaranteed the safety of generator 2; In addition, hoist 4 can play the effect of good assembling blade 3, especially is fit to use in highly higher vertical axis aerogenerator.
Embodiment 3
As shown in Figure 7; A kind of vertical axis aerogenerator is evaded the device that high wind causes stall; Comprise king-post 1, be located at the more than one generator unit on the king-post 1; In the present embodiment, only be provided with two generator units set up and down on the said king-post 1, said generator unit comprises Φ shape vane group, outer rotor generator 2, hoist 4.
As shown in Figure 8, said vane group upper end is provided with clutch shaft bearing 5, and the inner ring fixed cover of clutch shaft bearing 5 is on king-post 1, and the vane group upper end is connected with the outer ring of clutch shaft bearing 5; The vane group lower end is provided with the inner ring fixed cover of second bearing, 6, the second bearings 6 on king-post 1, and the vane group lower end is connected with the outer ring of second bearing 6, and vane group articulates with king-post 1 through the clutch shaft bearing 5 and second bearing 6, and vane group can rotate freely around king-post 1.Said generator 2 comprises inner stator 22, external rotor 21; Inner stator 22 fixed covers are on king-post 1; External rotor 21 upper ends are connected with the outer ring of second bearing 6; External rotor 21 lower ends are provided with the 3rd bearing 7, the three bearings 7 inner ring fixed covers on king-post 1, and external rotor 21 lower ends are connected with the 3rd bearing 7 outer rings.Said Φ shape vane group mainly is made up of three blades 3, and said blade 3 is arc, is made up of string 32 and 31 corresponding of arcs.Be provided with two support arms 11 between said arc 31 and the string 32; Be provided with drag-line 10 between said blade 3 upper/lower terminals and the corresponding support arm 11; Be provided with drag-line 10 between support arm 11 and the support arm 11; Said support arm 11 is provided with the hanger 12 that some confession suspension hooks 42 are hung, and said string 32 is provided with plural pulley 13.Be provided with the quantity track 8 identical between clutch shaft bearing 5 in the generator unit and the 3rd bearing 7 with blade 3 quantity; Said track 8 upper ends are fixed through the adpting flange 9 and the outer ring of clutch shaft bearing 5; Track 8 lower ends are fixed through the outer ring of adpting flange 9 and the 3rd bearing 7; In order to consolidate track 8, the middle part of track 8 is connected with second bearing, 6 outer rings through adpting flange 9, and the generator amature of following that track 8 can be firm is rotated.Track 8 in the last generator unit is not connected with track 8 in the following generator unit, and generator unit independently generates electricity up and down.After blade 3 stalls; Can align one by one with track 8 in the following generator unit through the track 8 that location calibration device realize to go up in the generator unit; So go up the track 8 of generator unit and the track 8 of following generator unit and can be connected to become a complete track 8; The sliding guide of the blade 3 of generator unit on the convenience, the blade 3 of top can slide downwards to ground through a track 8 always, and is safe and reliable.The string 32 of said blade 3 is formed coasting mechanism with pulley 13, and coasting mechanism and said track 8 are slidingly matched.Said blade 3 upper/lower terminals are equipped with public bindiny mechanism, are provided with female bindiny mechanism in clutch shaft bearing 5 and second bearing, 6 places on the said track 8, and said public bindiny mechanism cooperates with said female bindiny mechanism.
Shown in figure 14, in the present embodiment, said public bindiny mechanism comprises slide block 16, the power mechanism 19 that is connected with slide block 16, and said female bindiny mechanism is the fitting seat 17 with slot 18, and said slide block 16 cooperates with said slot 18.Be detachable between blade 3 and the track 8, make things convenient for hoist 4 lifting blades 3.
Shown in figure 15, said king-post 1 top is provided with hoist 4, and said hoist 4 comprises revolution pylon 47, shear leg 44, balance arm 45, balancer weight 46, trolley 43, carriage walking mechanism, suspension hook 42, drag-line, lifting mechanism 48 and control system; Said shear leg 44 is installed on the revolution pylon 47 with balance arm 45; Balancer weight 46 is installed in an end of balance arm 45; Carriage walking mechanism is arranged on the shear leg 44, and trolley 43 is arranged in the carriage walking mechanism, and suspension hook 42 is arranged on trolley 43 belows; Suspension hook 42 is connected with said drag-line 41 1 ends, and the other end of drag-line 41 is connected with lifting mechanism 48.
As shown in Figure 9, method of work of the present invention is following:
When meeting with high wind, through hoist 4 blade 3 is hung onto ground, the order that hangs is for hang from the bottom up successively, and the concrete steps that hoist 4 hangs blade 3 are following: the hanger 12 that hoist 4 is hung on blade 3 support arms 11 through suspension hook 42; Then the connection of blade 3 upper/lower terminals being opened makes blade 3 break away from king-post 1; Hoist 4 down hangs blade 3, and blade 3 is in transferring process, and blade 3 slides along track 8 all the time.
Evade the device that high wind causes stall by what hoist 4, removable blade 3 and track 8 were formed, this is simple in structure, and in the time of can solving at wind-force powerful especially or typhoon, the problem that generator 2 stall and blade 3 fracture has been guaranteed the safety of generator 2; In addition, hoist 4 can play the effect of good assembling blade 3, especially is fit to use in highly higher vertical axis aerogenerator.
Embodiment 4
Shown in figure 10; A kind of vertical axis aerogenerator is evaded the device that high wind causes stall; Comprise king-post 1, be located at the more than one generator unit on the king-post 1; In the present embodiment, only be provided with two generator units set up and down on the said king-post 1, said generator unit comprises Φ shape vane group, outer rotor generator 2, hoist 4.
Shown in figure 11, said vane group upper end is provided with clutch shaft bearing 5, and the inner ring fixed cover of clutch shaft bearing 5 is on king-post 1, and the vane group upper end is connected with the outer ring of clutch shaft bearing 5; The vane group lower end is provided with the second upper bearing (metal) 6a; The inner ring fixed cover of the second upper bearing (metal) 6a is on king-post 1; The vane group lower end is connected with the outer ring of the second upper bearing (metal) 6a, and vane group is through clutch shaft bearing 5 and the second upper bearing (metal) 6a and king-post 1 pivot joint, and vane group can rotate freely around king-post 1.Said generator 2 comprises inner stator 22, external rotor 21, and inner stator 22 fixed covers are on king-post 1, and external rotor 21 upper ends are provided with the second lower bearing 6b, and external rotor 21 is connected with the outer ring of the second lower bearing 6b, and the inner ring fixed cover of the second lower bearing 6b is on king-post 1.Being provided with coupling 6 between the outer ring of the outer ring of the second upper bearing (metal) 6a and the second lower bearing 6b is connected; Be provided with braking device in the coupling; Said braking device comprises brake disc of fixing with connector and the water brake piece of fixing with king-post, and said brake block cooperates with said brake disc.External rotor 21 lower ends are provided with the 3rd bearing 7, the three bearings 7 inner ring fixed covers on king-post 1, and external rotor 21 lower ends are connected with the 3rd bearing 7 outer rings.Said Φ shape vane group mainly is made up of three blades 3, and said blade 3 is arc, is made up of string 32 and 31 corresponding of arcs.Be provided with two support arms 11 between said arc 31 and the string 32; Be provided with drag-line 10 between said blade 3 upper/lower terminals and the corresponding support arm 11; Be provided with drag-line 10 between support arm 11 and the support arm 11; Said support arm 11 is provided with the hanger 12 that some confession suspension hooks 42 are hung, and said string 32 is provided with plural pulley 13.Be provided with the quantity track 8 identical between clutch shaft bearing 5 in the generator unit and the 3rd bearing 7 with blade 3 quantity; Said track 8 upper ends are fixed through the adpting flange 9 and the outer ring of clutch shaft bearing 5; Track 8 lower ends are fixed through the outer ring of adpting flange 9 and the 3rd bearing 7; In order to consolidate track 8, the middle part of track 8 is connected with the outer ring of the second upper bearing (metal) 6a through adpting flange 9, and the generator amature of following that track 8 can be firm is rotated.Track 8 in the last generator unit is not connected with track 8 in the following generator unit, and generator unit independently generates electricity up and down.After blade 3 stalls; Can align one by one with track 8 in the following generator unit through the track 8 that location calibration device realize to go up in the generator unit; So go up the track 8 of generator unit and the track 8 of following generator unit and can be connected to become a complete track 8; The sliding guide of the blade 3 of generator unit on the convenience, the blade 3 of top can slide downwards to ground through a track 8 always, and is safe and reliable.The string 32 of said blade 3 is formed coasting mechanism with pulley 13, and coasting mechanism and said track 8 are slidingly matched.Said blade 3 upper/lower terminals are equipped with public bindiny mechanism, are provided with female bindiny mechanism in the clutch shaft bearing 5 and the second upper bearing (metal) 6a place on the said track 8, and said public bindiny mechanism cooperates with said female bindiny mechanism.
Shown in figure 14, in the present embodiment, said public bindiny mechanism comprises slide block 16, the power mechanism 19 that is connected with slide block 16, and said female bindiny mechanism is the fitting seat 17 with slot 18, and said slide block 16 cooperates with said slot 18.Be detachable between blade 3 and the track 8, make things convenient for hoist 4 lifting blades 3.
Shown in figure 15, said king-post 1 top is provided with hoist 4, and said hoist 4 comprises revolution pylon 47, shear leg 44, balance arm 45, balancer weight 46, trolley 43, carriage walking mechanism, suspension hook 42, drag-line, lifting mechanism 48 and control system; Said shear leg 44 is installed on the revolution pylon 47 with balance arm 45; Balancer weight 46 is installed in an end of balance arm 45; Carriage walking mechanism is arranged on the shear leg 44, and trolley 43 is arranged in the carriage walking mechanism, and suspension hook 42 is arranged on trolley 43 belows; Suspension hook 42 is connected with said drag-line 41 1 ends, and the other end of drag-line 41 is connected with lifting mechanism 48.
Shown in figure 12, method of work of the present invention is following:
When meeting with high wind, through hoist 4 blade 3 is hung onto ground, the order that hangs is for hang from the bottom up successively, and the concrete steps that hoist 4 hangs blade 3 are following: the hanger 12 that hoist 4 is hung on blade 3 support arms 11 through suspension hook 42; Then the connection of blade 3 upper/lower terminals being opened makes blade 3 break away from king-post 1; Hoist 4 down hangs blade 3, and blade 3 is in transferring process, and blade 3 slides along track 8 all the time.
Evade the device that high wind causes stall by what hoist 4, removable blade 3 and track 8 were formed, this is simple in structure, and in the time of can solving at wind-force powerful especially or typhoon, the problem that generator 2 stall and blade 3 fracture has been guaranteed the safety of generator 2; In addition, hoist 4 can play the effect of good assembling blade 3, especially is fit to use in highly higher vertical axis aerogenerator.
Claims (8)
1. a vertical axis aerogenerator is evaded the device that high wind causes stall; Comprise king-post, be located at the more than one generator unit on the king-post; Said generator unit comprises Φ shape vane group, generator; Said vane group upper end is provided with clutch shaft bearing and is connected with the outer ring of clutch shaft bearing, and the vane group lower end is provided with pivot joint and is connected with the rotary part of pivot joint; Said generator comprises inner stator, external rotor; The external rotor upper end is connected with the rotary part of pivot joint; The external rotor lower end is provided with the 3rd bearing and fixes with the 3rd bearing outer ring, and the inner ring of the inner ring of clutch shaft bearing, the fixing part of pivot joint, the 3rd bearing all is enclosed within on the said king-post; Said king-post top is provided with hoist, and said hoist is provided with suspension hook; It is characterized in that: said vane group comprises the blade more than two; Said blade is arc, is made up of string and corresponding arc, is provided with the support arm more than between said arc and the string; Said support arm is provided with the hanger that some confession suspension hooks are hung, and said string is provided with plural pulley; Be provided with the quantity track identical between clutch shaft bearing in every generator unit and the 3rd bearing with blade quantity; Said track upper end is fixed with the outer ring of clutch shaft bearing; The outer ring of track lower end and the 3rd bearing is fixed, and said string and pulley are formed coasting mechanism and cooperated with said slide; Said blade upper/lower terminal is equipped with public bindiny mechanism, and corresponding blade upper/lower terminal place is provided with female bindiny mechanism on the said track, and said public bindiny mechanism cooperates with said female bindiny mechanism.
2. a kind of vertical axis aerogenerator according to claim 1 is evaded the device that high wind causes stall; It is characterized in that: said pivot joint is second bearing; The rotary part of pivot joint is the outer ring of second bearing, and the fixing part of pivot joint is the inner ring of second bearing.
3. a kind of vertical axis aerogenerator according to claim 1 is evaded the device that high wind causes stall; It is characterized in that: said pivot joint is made up of second upper bearing (metal) and second lower bearing; The rotary part of said pivot joint is respectively the outer ring of second upper bearing (metal) and second lower bearing, and the fixing part of pivot joint is respectively the inner ring of second upper bearing (metal) and second lower bearing; The outer ring of said blade lower end and said second upper bearing (metal) is fixed, and said generator external rotor upper end is fixed with the outer ring of said second lower bearing; Being provided with coupling between the outer ring of the outer ring of second upper bearing (metal) and second lower bearing is connected.
4. a kind of vertical axis aerogenerator according to claim 1 is evaded the device that high wind causes stall, it is characterized in that: said hoist also comprises revolution pylon, shear leg, balance arm, balancer weight, trolley, carriage walking mechanism, drag-line, lifting mechanism and control system; Said shear leg and balance arm are installed on the revolution pylon; Balancer weight is installed in an end of balance arm; Carriage walking mechanism is arranged on the shear leg, and trolley is arranged in the carriage walking mechanism, and suspension hook is arranged on the trolley below; Suspension hook is connected with said drag-line one end, and the other end of drag-line is connected with lifting mechanism.
5. a kind of vertical axis aerogenerator according to claim 1 is evaded the device that high wind causes stall, it is characterized in that: track in said every generator unit and the track in the adjacent generator unit connect one to one.
6. a kind of vertical axis aerogenerator according to claim 1 is evaded the device that high wind causes stall; It is characterized in that: said public bindiny mechanism is two first mounting ears that are arranged side by side with mounting hole; Said female bindiny mechanism is a slice second mounting ear with mounting hole; Said second mounting ear is inserted between two first mounting ears, is connected fixing between first mounting ear and second mounting ear through bearing pin.
7. a kind of vertical axis aerogenerator according to claim 1 is evaded the device that high wind causes stall; It is characterized in that: said public bindiny mechanism comprises slide block, the power mechanism that is connected with slide block; Said female bindiny mechanism is the fitting seat with slot, and said slide block cooperates with said slot.
8. a kind of vertical axis aerogenerator according to claim 1 is evaded the device that high wind causes stall, it is characterized in that: be provided with drag-line between said blade upper/lower terminal and the corresponding support arm, be provided with drag-line between support arm and the support arm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120228216 CN202157907U (en) | 2011-06-30 | 2011-06-30 | Device for avoiding stalling caused by strong wind of vertical axis wind turbine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120228216 CN202157907U (en) | 2011-06-30 | 2011-06-30 | Device for avoiding stalling caused by strong wind of vertical axis wind turbine |
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| Publication Number | Publication Date |
|---|---|
| CN202157907U true CN202157907U (en) | 2012-03-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201120228216 Expired - Lifetime CN202157907U (en) | 2011-06-30 | 2011-06-30 | Device for avoiding stalling caused by strong wind of vertical axis wind turbine |
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| CN (1) | CN202157907U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102251937A (en) * | 2011-06-30 | 2011-11-23 | 邓允河 | Device and method for avoiding stall caused by strong wind in vertical axis wind turbine |
| WO2013053251A1 (en) * | 2011-10-14 | 2013-04-18 | Deng Yunhe | Verticalshaft wind motor |
| WO2013060166A1 (en) * | 2011-10-29 | 2013-05-02 | Deng Yunhe | Method for on-site installation of vertical-axis wind generator |
| WO2013189104A1 (en) * | 2012-06-21 | 2013-12-27 | Deng Yunhe | Wind wheel structure of vertical axis wind turbine and assembly method thereof |
| CN104444807A (en) * | 2014-09-30 | 2015-03-25 | 莫海路 | Vertical-type wind machine lifting method |
| CN105041573A (en) * | 2015-05-29 | 2015-11-11 | 邓允河 | Vertical-shaft wind/hydraulic electric generating device |
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2011
- 2011-06-30 CN CN 201120228216 patent/CN202157907U/en not_active Expired - Lifetime
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102251937A (en) * | 2011-06-30 | 2011-11-23 | 邓允河 | Device and method for avoiding stall caused by strong wind in vertical axis wind turbine |
| WO2013000422A1 (en) * | 2011-06-30 | 2013-01-03 | Deng Yunhe | Device and method for preventing velocity loss during strong wind for vertical-shaft wind power generators |
| CN102251937B (en) * | 2011-06-30 | 2013-03-13 | 邓允河 | Device and method for avoiding stall caused by strong wind in vertical axis wind turbine |
| WO2013053251A1 (en) * | 2011-10-14 | 2013-04-18 | Deng Yunhe | Verticalshaft wind motor |
| WO2013060166A1 (en) * | 2011-10-29 | 2013-05-02 | Deng Yunhe | Method for on-site installation of vertical-axis wind generator |
| WO2013189104A1 (en) * | 2012-06-21 | 2013-12-27 | Deng Yunhe | Wind wheel structure of vertical axis wind turbine and assembly method thereof |
| CN103511179A (en) * | 2012-06-21 | 2014-01-15 | 邓允河 | Wind wheel structure of vertical axis wind turbine and installation method thereof |
| CN103511179B (en) * | 2012-06-21 | 2016-08-10 | 广州雅图新能源科技有限公司 | A kind of wind wheel structure of vertical-axis wind driven generator and installation method thereof |
| CN104444807A (en) * | 2014-09-30 | 2015-03-25 | 莫海路 | Vertical-type wind machine lifting method |
| CN104444807B (en) * | 2014-09-30 | 2016-03-02 | 莫海路 | A kind of vertical wind machine hanging method |
| CN105041573A (en) * | 2015-05-29 | 2015-11-11 | 邓允河 | Vertical-shaft wind/hydraulic electric generating device |
| CN105041573B (en) * | 2015-05-29 | 2018-03-09 | 广州雅图新能源科技有限公司 | A kind of vertical-shaft wind/hydroelectric installation |
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