CN115773199A - Wind power generation rotor blade - Google Patents
Wind power generation rotor blade Download PDFInfo
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- CN115773199A CN115773199A CN202211644971.0A CN202211644971A CN115773199A CN 115773199 A CN115773199 A CN 115773199A CN 202211644971 A CN202211644971 A CN 202211644971A CN 115773199 A CN115773199 A CN 115773199A
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- 238000010248 power generation Methods 0.000 title claims abstract description 17
- 230000005540 biological transmission Effects 0.000 claims description 44
- 238000006243 chemical reaction Methods 0.000 claims description 10
- 238000007789 sealing Methods 0.000 claims description 8
- 238000003780 insertion Methods 0.000 claims description 7
- 230000037431 insertion Effects 0.000 claims description 7
- 208000032369 Primary transmission Diseases 0.000 claims 1
- 230000033001 locomotion Effects 0.000 description 3
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 210000003437 trachea Anatomy 0.000 description 2
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 1
- 235000017491 Bambusa tulda Nutrition 0.000 description 1
- 241001330002 Bambuseae Species 0.000 description 1
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 1
- 239000011425 bamboo Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000740 bleeding effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000005574 cross-species transmission Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
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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 invention discloses a wind power generation rotor blade, and particularly relates to the technical field of wind power generation, which comprises a rotor connecting frame, wherein the side surface of the rotor connecting frame is connected with a blade framework, the blade framework is sequentially and rotatably connected with a blade panel, a supporting mechanism is arranged in the blade framework, the blade panel is connected with the supporting mechanism, the supporting mechanism is connected with a control piece arranged in the rotor connecting frame, the outer part of the blade framework is rotatably connected with the blade panel, the blade panel is controlled to rotate through the internal supporting mechanism, the whole wind area of the blade is changed, the wind area of the blade panel can be reduced under the strong wind weather, so that the impact on the blade is reduced, and the wind power generation blade is protected under the severe weather.
Description
Technical Field
The invention relates to the field of wind power generation, in particular to a wind power generation rotor blade.
Background
The wind driven generator is characterized in that a fan blade is driven by wind force to drive a rotor to rotate, the rotor drives a generator to operate to generate electricity, the length of the blade is related to the generated energy, the length of the blade of the generator is generally 6-50 m and is determined according to different sites and different power generation requirements, a mold pouring mode is adopted for manufacturing the blade of the large wind driven generator, and the steps of glass fiber cloth laying, resin pouring, mold closing and forming and surface finishing are included.
As disclosed in patent application No. CN113775471A, a truss type modular wind turbine blade includes: the blade truss framework comprises a main beam, a plurality of front edge supporting trusses and a plurality of rear edge supporting trusses which are distributed along the length direction of the main beam in a staggered mode, and a rear edge beam and a rear edge small I-beam are arranged on one side of each rear edge truss; the front edge shell module comprises a PS front edge shell arranged on the windward side of the front edge support truss and an SS front edge shell on the leeward side; the rear edge shell module comprises a PS rear edge shell arranged on the windward side of the rear edge support frame and an SS rear edge shell on the leeward side; the front edge and rear edge shell module is connected with the main beam through the front edge and rear edge supporting trusses, the front edge and rear edge supporting trusses and the main beam are designed at a certain angle, the internal force borne by the main beam is transmitted to the trusses and is released to the front edge and the rear edge, finally, the force is transmitted to the blade root, a whole stable structure is formed, and the overall stability of the wind power blade is improved.
However, the rotation speed of the existing wind power generation blade driven by wind power has a limit, the rotation speed of the blade needs to be controlled under the condition of large wind power, the stress of the blade is large, and particularly under severe environmental conditions, such as typhoon weather and even hurricane weather, the blade cannot be retracted and still remains stressed, so that the blade is easy to damage.
Disclosure of Invention
The present invention is directed to a wind power rotor blade to solve the above problems of the background art.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides a wind power generation rotor blade, including the rotor link, the blade skeleton is connected to the rotor link side, rotate in proper order on the blade skeleton and connect the blade panel, the inside supporting mechanism that is provided with of blade skeleton, the blade panel is connected with supporting mechanism, supporting mechanism is connected with the control that the inside set up of rotor link, the outside rotation of blade skeleton connects the blade panel, it rotates through inside supporting mechanism control blade panel, change the holistic area that receives of blade, thereby can reduce the impact that the blade received through the area that receives of reducing the blade panel under strong wind weather, protect wind power generation blade under bad weather.
Preferably, the rotor connecting frame comprises an inner rotor framework, a rotor framework outer side fixed connection housing is arranged on the side face of the housing, a connecting hole is formed in the side face of the housing, a fixing flange fixedly connected with the rotor framework is fixed at the connecting hole and connected with a connecting flange fixed at the head end of the blade framework through a bolt, the rotor framework outer side connecting housing is used for protecting devices inside the housing, and the fixing flange and the connecting flange are connected through a bolt to enable the blade to be connected with the rotor connecting frame.
Preferably, the control piece is a control cylinder fixed in the rotor framework, the control cylinder is connected with a transmission cylinder fixed in the blade framework through an air pipe, a piston rod of the transmission cylinder is rotatably connected with the blade panel through a connecting rod, the control piece is connected with the transmission cylinder through the air pipe by the control cylinder, and the transmission cylinder drives the connecting rod to move so as to fold and unfold the blade panel.
Preferably, the air pipe is connected to a transmission air cylinder at the tail of the blade framework, the air pipe is communicated with the transmission air cylinder through a valve, a piston rod of the transmission air cylinder is connected with a valve rod of a valve connected with the upper-stage transmission air cylinder through a rope, the piston rod of the transmission air cylinder is connected with the valve rod of the upper-stage valve through a rope, and the wind area is changed according to requirements.
Preferably, sliding connection piston plate in the control cylinder, piston plate and screw rod threaded connection, be provided with the through-hole on the piston plate, piston plate middle part is provided with the closing plate of being connected with piston plate rotation, be provided with on the closing plate with piston plate complex through-hole, the closing plate is rotated by the rotating-structure control at control cylinder both ends, sliding connection piston plate in the control cylinder, piston plate in the control cylinder is connected with the screw rod, piston plate middle part sets up the closing plate, control through-hole is opened through rotating the closing plate, so that the piston plate realizes bleeding or aerifing when the motion.
Preferably, the closing plate both sides are provided with the jack to set up a closed section of thick bamboo in one side of jack, the inside both ends fixed connection wedge of control cylinder, the closing plate is provided with the through-hole that corresponds with the jack, and the closing plate is contradicted with the wedge, and control cylinder is provided with the conversion check valve with the trachea junction, and the piston plate removes and controls the closing plate and rotates for the piston plate when closing plate wherein contradicts with the wedge, thereby control piston plate both ends intercommunication or seal.
Preferably, the conversion includes the valve casing, and the valve core is connected in the valve casing internal rotation, is provided with airflow channel in the valve core, is provided with foraminiferous fixed plate in the airflow channel, and the laminating of fixed plate side sets up the sliding plate, is provided with on the sliding plate with the crisscross hole of hole on the fixed plate, and the conversion check valve changes gaseous output direction, avoids inside air current to spill over when aerifing, avoids outside gas to get into when exhausting.
Preferably, rotor link and connecting cylinder fixed connection, connecting cylinder rotate with the connecting seat to be connected, and connecting seat fixed connection turns to the motor, turns to the output shaft and the connecting seat fixed connection of motor, and the rotor link passes through the connecting cylinder and rotates on the connecting seat, just to the direction through turning to the steerable blade of motor to make the blade just to the air current direction when different wind directions, improve the generating efficiency.
Preferably, the connecting cylinder is connected with the connecting seat through a clamping mechanism, the clamping mechanism comprises a clamping rod in sliding connection with the connecting seat, the clamping rod is connected with a driving rod of the clamping cylinder, and the connecting cylinder and the connecting seat are radially fixed through the clamping rod so as to fix the angle of the blade after the direction is adjusted.
Preferably, the inner side of the connecting cylinder is fixedly connected with a clamping ring, the upper side of the clamping ring is provided with clamping grooves in an annular array, and the clamping grooves are matched with the clamping rods.
Compared with the prior art, the invention has the beneficial effects that:
1. the blade adopts a mode that the blade framework is rotatably connected with a plurality of blade panels which are linearly arrayed along the blade framework, and the blade framework is reduced by controlling the rotation of the blade panels relative to the blade framework, so that the blade can be protected under extreme weather conditions;
2. the blade panel drives the transmission cylinder to move through the control cylinder, the transmission cylinder is connected with a valve, and the valve is controlled to be opened and closed through the movement of the next-stage transmission cylinder, so that the previous-stage transmission cylinder moves, the blade panel from the tail end of the blade to the head end of the blade can be opened in sequence, under the condition of high wind power, part of the blade panel is stressed, the blade operates under the condition close to the maximum wind power which can be borne by the blade panel, and under the condition of ultra-high wind power, the blade panel is completely folded, so that the blade is protected;
3. the control cylinder adopts a mode that the piston plate is connected with the screw rod, the screw rod is driven to rotate by the control motor to enable the piston plate to move in the control cylinder to realize inflation and deflation, the sealing plate is arranged in the middle of the piston plate, the wedge block is abutted to control the sealing plate to rotate so as to enable two ends of a through hole in the piston plate to be communicated or sealed, and the amount of rotation of the screw rod can be controlled to control the inflation or deflation;
4. the connecting cylinder is rotatably connected with the connecting seat, the rotating motor is used for controlling the connecting cylinder and the rotor framework connected with the connecting cylinder to rotate, the direction of the blade is changed to enable the blade to be opposite to air flow in a conventional state, and the clamping cylinder is used for controlling the clamping rod clamping column to enable the connecting cylinder and the connecting seat to be radially fixed after the direction is adjusted.
Drawings
FIG. 1 is a schematic view of the structure of the present invention;
FIG. 2 is a schematic view of the connection of the blade frame and the blade panel of the present invention;
FIG. 3 is a schematic view of a partial structure of a blade frame according to the present invention;
FIG. 4 is a cross-sectional view of the drive cylinder of the present invention;
FIG. 5 is a cross-sectional view of the housing of the present invention;
FIG. 6 is a cross-sectional view of the control cylinder of the present invention;
FIG. 7 is a cross-sectional view of the shifting check valve of the present invention;
FIG. 8 is a cross-sectional view of the valve cartridge of the shifting check valve of the present invention;
FIG. 9 is a cross-sectional view of the connecting socket of the present invention;
in the figure: 1. a connecting seat; 11. a steering motor; 12. clamping the air cylinder; 121. a clamping rod; 2. a connecting cylinder; 3. a generator; 4. a rotor connecting frame; 41. a rotor frame; 42. a housing; 43. controlling the motor; 44. a drive bevel gear; 45. controlling the cylinder; 451. a switching one-way valve; 4511. a switching motor; 4512. a changeover valve core; 4513. an air flow channel; 4514. a compression spring; 4515. a fixing plate; 4516. a sliding plate; 4517. air holes; 452. a screw; 453. a piston plate; 4531. a jack; 4532. a through hole; 4533. a closing plate; 454. a limiting rod; 455. a wedge block; 46. a fixed flange; 5. a rotor blade; 51. a blade shell; 52. a blade panel; 53. a blade framework; 54. a connecting flange; 55. a transmission cylinder; 551. a valve; 5511. a valve stem; 5512. a valve barrel; 5513. a torsion spring; 5514. a drive piston rod; 56. a connecting rod; 561. a ball sleeve; 562. a rope; 57. the trachea.
Detailed Description
Example 1
As shown in fig. 1 to 4, a wind power generation rotor blade includes a rotor connecting frame 4, a blade framework 53 is connected to a side surface of the rotor connecting frame 4, the blade framework 53 is sequentially and rotatably connected to a blade panel 52, a supporting mechanism is arranged inside the blade framework 53, the blade panel 52 is connected to the supporting mechanism, the supporting mechanism is connected to a control piece arranged inside the rotor connecting frame 4, the rotor connecting frame 4 includes an inner rotor framework 41, a housing 42 is fixedly connected to an outer side of the rotor framework 41, a connecting hole is arranged on a side surface of the housing 42, a fixing flange 46 fixedly connected to the rotor framework 41 is fixed at the connecting hole, the fixing flange 46 is connected to a connecting flange 54 fixed to a head end of the blade framework 53 through a bolt, the control piece is a control cylinder 45 fixed in the rotor framework 41, the control cylinder 45 is connected to a transmission cylinder 55 fixed in the blade framework 53 through an air pipe 57, and a piston rod of the transmission cylinder 55 is rotatably connected to the blade panel 52 through a connecting rod 56; the air pipe 57 is connected to a transmission cylinder 55 at the tail part of the blade framework 53, the air pipe 57 is communicated with the transmission cylinder 55 through a valve 551, and a piston rod of the transmission cylinder 55 is connected with a valve 551 and a valve rod 5511 of the valve 551 connected with the upper-stage transmission cylinder 55 through a rope 562.
The rotor connecting frame 4 is fixedly connected with the cover 42 by the outer side of the rotor framework 41, the fixing flange 46 of the annular array is fixedly connected on the rotor connecting frame 4, the fixing flange 46 is connected with the connecting flange 54 fixedly connected with the blade framework 53 in the rotor blade 5 through a bolt, the blade shell 51 is fixedly connected with the outer side of the blade framework 53, the blade panel 52 is rotatably connected on the blade framework 53, the wind shielding area of the rotor blade 5 can be changed by controlling the rotation of the blade panel 52 relative to the blade framework 53, the stress strength of the rotor blade 5 is changed, the rotor blade 5 is protected by reducing the stress of the rotor blade 5 in the super-strong wind weather, snow or ice can be cleared by controlling the rotation of the blade panel 52 in the ice and snow weather, the blade panel 52 is rotatably connected on the blade framework 53 through a hinge, the inner side of the blade panel 52 is rotatably connected with the end of the connecting rod 56, the connecting rod 56 is rotatably connected with the ball sleeve 561 fixed at the bottom end of the transmission piston rod 5514 in the transmission cylinder 55, and under the condition that the transmission cylinder 55 moves to retract the transmission piston rod 5514 inwards, the connecting rod 56 rotates with the panel 52, and the moving blade panel 52 is retracted; the end of the transmission cylinder 55 is connected with a valve 551, a valve barrel 5512 in the valve 551 rotates to the side opening thereof to be communicated with an air pipe 57, so that the control cylinder 45 is communicated with the corresponding transmission cylinder 55, each group of blade panels 52 is correspondingly connected with one transmission cylinder 55, the transmission cylinders 55 are classified in a linear array from the root of the blade framework 53 to the tail of the blade framework 53, the air pipe 57 is firstly connected with the transmission cylinder 55 at the tail of the blade framework 53, when the transmission cylinder 55 at the tail operates to enable the transmission piston rod 5514 to move inwards, a rope 562 connected with a ball sleeve 561 pulls a valve rod 5511 and the valve barrel 5512 of the valve 551 to rotate, a torsion spring 5513 rotates to enable the interior of the valve barrel 5512 to be communicated with the air pipe 57, meanwhile, the valve barrel 5512 is communicated with the interior of the transmission cylinder 55, and air in the transmission cylinder 55 is pumped out through the air pipe 57, so that the blade panels 52 connected with the blade framework 53 can be gradually retracted from the tail.
Example 2
As shown in fig. 1 to 8, a wind power generation rotor blade includes a rotor connecting frame 4, a blade framework 53 is connected to a side surface of the rotor connecting frame 4, a blade panel 52 is sequentially rotatably connected to the blade framework 53, a supporting mechanism is arranged inside the blade framework 53, the blade panel 52 is connected to the supporting mechanism, and the supporting mechanism is connected to a control member arranged inside the rotor connecting frame 4; the rotor connecting frame 4 comprises an inner rotor framework 41, the outer side of the rotor framework 41 is fixedly connected with a housing 42, the side surface of the housing 42 is provided with a connecting hole, a fixing flange 46 fixedly connected with the rotor framework 41 is fixed at the connecting hole, and the fixing flange 46 is connected with a connecting flange 54 fixed at the head end of a blade framework 53 through a bolt; the control piece is a control cylinder 45 fixed in the rotor framework 41, the control cylinder 45 is connected with a transmission cylinder 55 fixed in the blade framework 53 through an air pipe 57, a piston rod of the transmission cylinder 55 is rotatably connected with the blade panel 52 through a connecting rod 56, a piston plate 453 is slidably connected in the control cylinder 45, the piston plate 453 is in threaded connection with the screw 452, a through hole 4532 is formed in the piston plate 453, a sealing plate rotatably connected with the piston plate 453 is arranged in the middle of the piston plate 453, a through hole 4532 matched with the piston plate 453 is formed in the closing plate 4533, and the closing plate 4533 is controlled to rotate by rotating structures at two ends of the control cylinder 45; two sides of the sealing plate 4533 are provided with insertion holes 4531, one side of the insertion holes 4531 is provided with a sealing barrel, two ends inside the control cylinder 45 are fixedly connected with the wedge-shaped block 455, the sealing plate 4533 is provided with a through hole 4532 corresponding to the insertion holes 4531, the sealing plate 4533 abuts against the wedge-shaped block 455, and a connection part between the control cylinder 45 and the air pipe 57 is provided with a switching check valve 451; the conversion comprises a valve housing, a conversion valve core 4512 is rotationally connected in the valve housing, an air flow channel 4513 is arranged in the conversion valve core 4512, a fixed plate 4515 with a hole is arranged in the air flow channel 4513, a sliding plate 4516 is attached to the side surface of the fixed plate 4515, and the sliding plate 4516 is provided with a hole staggered with the hole in the fixed plate 4515.
The driving cylinders are fixed in the rotor framework 41, the number of the driving cylinders is the same as that of the rotor blades 5 and is three, the three driving cylinders are arranged in the rotor framework 41 in an annular array, each driving cylinder is connected with a piston plate 453 in a sliding manner, the piston plates 453 are axially connected with limiting rods 454 fixed on the inner side surfaces of the driving cylinders in a sliding manner, a driving bevel gear 44 is driven to rotate through a driving motor, the driving bevel gear 44 is meshed with a driven bevel gear coaxially and fixedly connected with a screw 452, the screw 452 coaxially and fixedly connected with the driven bevel gear can rotate, and the piston plates 453 slide in the driving cylinders;
when the control blade panel 52 is retracted, the switching check valve 451 rotates until gas flows into the driving cylinder only through the gas pipe 57, and the gas in the transmission cylinder 55 is exhausted, that is, the driving cylinder is exhausted from the gas pipe 57 to the outside, in the process, the screw 452 rotates to drive the piston plate 453 to move to the inner end in the driving cylinder, the closing plate 4533 in the middle of the piston plate 453 abuts against the wedge 455, so that the through hole 4532 in the closing plate 4533 rotated to the closing plate 4533 is staggered with the through hole 4532 in the piston plate 453, the two sides of the piston plate 453 are isolated, the screw 452 rotates reversely, the gas is pumped into the driving cylinder from the gas pipe 57, until the wedge 455 at the bottom of the driving cylinder is inserted into the insertion hole 4531 at the other side, so that the closing plate 4533 rotates until the through hole 4532 of the closing plate 4533 is aligned with the through hole 4532 of the piston plate 453, then the piston plate 453 is driven to move inwards to exhaust the air in the driving cylinder, and the air in the driving cylinder is exhausted, so that the air in the transmission cylinder 55 communicated with the air pipe 57 can be extracted to retract the blade panel 52, at this time, the sliding plate 4516 in the conversion check valve 451 is positioned at one end close to the driving cylinder, the fixing plate 4515 is positioned at one end close to the air pipe 57, the fixing plate 4515 and the sliding plate 4516 are attached under the elastic force of the compression spring 4514, during the air extraction, the air pressure in the air pipe 57 is greater than the air pressure in the driving cylinder, so that the sliding plate 4516 slides and separates relative to the fixing plate 4515, and the air in the air pipe 57 enters the driving cylinder through the air hole 4517 in the fixing plate 4515, the gap between the fixing plate 4515 and the sliding plate 4516 and the air hole 4517 in the sliding plate 4516 in sequence.
When the control blade panel 52 is opened, the transmission cylinder 55 is inflated, in the process, the switching valve core 4512 of the switching check valve 451 is driven by the switching motor 4511 to turn over, so that the air flow only flows into the air pipe 57 from the inside of the driving cylinder, the control motor 43 rotates to drive the piston plate 453 to move in the driving cylinder until the closing plate 4533 at the middle of the piston rod collides with the wedge-shaped block 455 at the bottom end of the driving cylinder, the through hole 4532 on the closing plate 4533 is staggered with the through hole 4532 on the piston plate 453, then the piston plate 453 is controlled to move towards the inner end of the cylinder, the air is pressed into the air pipe 57, the transmission cylinder 55 is inflated step by step, the wedge-shaped block 455 at the top in the driving cylinder collides with the closing plate 4533, the piston plate 453 is aligned with the through hole 4532 on the closing plate 4533, the piston plate 453 is driven to move reversely, and the steps are repeated, so that the air can be pressed into the air pipe 57.
The closing plate 4533 is arranged at a certain angle from the through hole 4532 on the piston plate 453, the closing plate 4533 is provided with a hole which abuts against the wedge block 455, when the hole on the closing plate 4533 slides relative to the wedge block 455 for a certain distance, the closing plate 4533 aligns with the through hole 4532 on the piston plate 453, relative movement in one direction continues to rotate the closing plate 4533 relative to the piston plate 453, the closing plate 4533 and the through hole 4532 on the piston plate 453 are staggered again, that is, when the closing plate 4533 abuts against the wedge block 455 from the beginning to move to the end of the inclined plane of the wedge block 455, the through hole 4532 on the closing plate 4533 needs to coincide with the through hole 4532 on the piston plate 453 at least twice, and the communication or the closing of the two ends of the through hole 4532 of the piston plate 453 can be controlled only by controlling the displacement of the piston plate 453.
Example 3
As shown in fig. 1 to 9, a wind power generation rotor blade includes a rotor connecting frame 4, a blade framework 53 is connected to a side surface of the rotor connecting frame 4, a blade panel 52 is sequentially connected to the blade framework 53 in a rotating manner, a supporting mechanism is arranged inside the blade framework 53, the blade panel 52 is connected to the supporting mechanism, the supporting mechanism is connected to a control element arranged inside the rotor connecting frame 4, the rotor connecting frame 4 is fixedly connected to a connecting cylinder 2, the connecting cylinder 2 is rotatably connected to the connecting base 1, the connecting base 1 is fixedly connected to a steering motor 11, an output shaft of the steering motor 11 is fixedly connected to the connecting base 1, the connecting cylinder 2 is connected to the connecting base 1 through a clamping mechanism, the clamping mechanism includes a clamping rod 121 slidably connected to the connecting base 1, the clamping rod 121 is connected to a driving rod of a clamping cylinder 12, a clamping ring is fixedly connected to an inner side of the connecting cylinder 2, an annular array of clamping grooves are arranged on an upper side of the clamping ring, and the clamping grooves are matched with the clamping rod 121.
When the wind direction changes, just improve the generating efficiency to the air current direction for making rotor blade, through the connecting seat 1 internal fixation turn to the connecting cylinder 2 rotation of rotating the connection on the motor 11 drive connecting seat 1, 2 top fixed connection generators 3 of connecting cylinder, the coaxial fixed connection of the axle that the input shaft of generators 3 and rotor skeleton 41 are connected, make rotor blade 5 rotate and change the atress direction, later through block cylinder 12 drive kelly 121 card in the draw-in groove of connecting cylinder 2 and 1 inboard settings of connecting seat, can make connecting cylinder 2 and connecting seat 1 radial fixity.
Claims (10)
1. The utility model provides a wind power generation rotor blade, its characterized in that includes rotor link (4), and rotor link (4) side is connected blade skeleton (53), rotates in proper order on blade skeleton (53) and connects blade panel (52), and inside the being provided with supporting mechanism of blade skeleton (53), blade panel (52) are connected with supporting mechanism, and supporting mechanism is connected with the control of rotor link (4) inside setting.
2. The wind power generation rotor blade according to claim 1, wherein the rotor connection frame (4) comprises an inner rotor frame (41), a housing (42) is fixedly connected to the outer side of the rotor frame (41), a connection hole is formed in the side surface of the housing (42), a fixing flange (46) fixedly connected with the rotor frame (41) is fixed at the connection hole, and the fixing flange (46) is connected with a connection flange (54) fixed to the head end of the blade frame (53) through a bolt.
3. A wind power rotor blade according to claim 2, wherein the control member is a control cylinder (45) fixed in the rotor frame (41), the control cylinder (45) is connected with a transmission cylinder (55) fixed in the blade frame (53) through an air pipe (57), and a piston rod of the transmission cylinder (55) is rotatably connected with the blade panel (52) through a connecting rod (56).
4. A wind power rotor blade according to claim 3, characterised in that the air pipe (57) is connected to a transmission cylinder (55) at the tail of the blade frame (53), the air pipe (57) is connected to the transmission cylinder (55) through a valve (551), and the piston rod of the transmission cylinder (55) is connected to the valve rod (5511) of the valve (551) to which the primary transmission cylinder (55) is connected through a rope (562).
5. A wind power rotor blade according to claim 3, wherein the control cylinder (45) is slidably connected with a piston plate (453), the piston plate (453) is in threaded connection with the screw (452), a through hole (4532) is formed in the piston plate (453), a sealing plate rotatably connected with the piston plate (453) is arranged in the middle of the piston plate (453), a through hole (4532) matched with the piston plate (453) is formed in the closing plate (4533), and the closing plate (4533) is controlled to rotate by a rotating structure at two ends of the control cylinder (45).
6. The wind power generation rotor blade according to claim 5, wherein two sides of the closing plate (4533) are provided with insertion holes (4531), a closing cylinder is arranged on one side of the insertion holes (4531), wedge blocks (455) are fixedly connected to two ends inside the control cylinder (45), the closing plate (4533) is provided with through holes (4532) corresponding to the insertion holes (4531), the closing plate (4533) abuts against the wedge blocks (455), and a switching one-way valve (451) is arranged at the connection position of the control cylinder (45) and the air pipe (57).
7. The wind power rotor blade according to claim 6, wherein the conversion comprises a valve housing, a conversion valve core (4512) is rotatably connected in the valve housing, an air flow channel (4513) is arranged in the conversion valve core (4512), a fixing plate (4515) with a hole is arranged in the air flow channel (4513), a sliding plate (4516) is arranged on the side surface of the fixing plate (4515) in an attaching manner, and the sliding plate (4516) is provided with a hole staggered with the hole in the fixing plate (4515).
8. A wind power rotor blade according to claim 1, wherein the rotor connection frame (4) is fixedly connected with the connection cylinder (2), the connection cylinder (2) is rotatably connected with the connection base (1), the connection base (1) is fixedly connected with the steering motor (11), and an output shaft of the steering motor (11) is fixedly connected with the connection base (1).
9. Wind turbine rotor blade according to claim 8, wherein the connection cylinder (2) is connected to the connection socket (1) by means of a snap mechanism comprising a catch lever (121) slidably connected to the connection socket (1), the catch lever (121) being connected to a drive rod of a snap cylinder (12).
10. A wind power rotor blade according to claim 9, wherein a snap ring is fixedly connected to the inner side of the connecting cylinder (2), an annular array of snap grooves are arranged on the upper side of the snap ring, and the snap grooves are matched with the snap rod (121).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211644971.0A CN115773199B (en) | 2022-12-20 | 2022-12-20 | Wind power generation rotor blade |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211644971.0A CN115773199B (en) | 2022-12-20 | 2022-12-20 | Wind power generation rotor blade |
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| Publication Number | Publication Date |
|---|---|
| CN115773199A true CN115773199A (en) | 2023-03-10 |
| CN115773199B CN115773199B (en) | 2023-11-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202211644971.0A Active CN115773199B (en) | 2022-12-20 | 2022-12-20 | Wind power generation rotor blade |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5256034A (en) * | 1991-04-19 | 1993-10-26 | Sultzbaugh John S | Variable pitch propeller for use in conjunction with a vertical axis wind turbine |
| DE102011014009A1 (en) * | 2011-03-15 | 2012-09-20 | Chuy-Nan Chio | Tower wind-power plant for generating current by kinetic wind energy, has wind adjusting device comprising guiding tube, where tube is brought into rotating movement such that blades in blade component are adjusted automatically at angle |
| CN105402083A (en) * | 2015-12-23 | 2016-03-16 | 华中科技大学 | Step-Magnus-type wind power blade and wind turbine |
| CN110513245A (en) * | 2019-09-11 | 2019-11-29 | 甘肃高来旺新能源科技有限公司 | A kind of novel blade and its application method |
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2022
- 2022-12-20 CN CN202211644971.0A patent/CN115773199B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5256034A (en) * | 1991-04-19 | 1993-10-26 | Sultzbaugh John S | Variable pitch propeller for use in conjunction with a vertical axis wind turbine |
| DE102011014009A1 (en) * | 2011-03-15 | 2012-09-20 | Chuy-Nan Chio | Tower wind-power plant for generating current by kinetic wind energy, has wind adjusting device comprising guiding tube, where tube is brought into rotating movement such that blades in blade component are adjusted automatically at angle |
| CN105402083A (en) * | 2015-12-23 | 2016-03-16 | 华中科技大学 | Step-Magnus-type wind power blade and wind turbine |
| CN110513245A (en) * | 2019-09-11 | 2019-11-29 | 甘肃高来旺新能源科技有限公司 | A kind of novel blade and its application method |
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