CN115773199B - Wind power generation rotor blade - Google Patents
Wind power generation rotor blade Download PDFInfo
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- CN115773199B CN115773199B CN202211644971.0A CN202211644971A CN115773199B CN 115773199 B CN115773199 B CN 115773199B CN 202211644971 A CN202211644971 A CN 202211644971A CN 115773199 B CN115773199 B CN 115773199B
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- 238000010248 power generation Methods 0.000 title claims abstract description 20
- 230000005540 biological transmission Effects 0.000 claims description 44
- 238000007789 sealing Methods 0.000 claims description 23
- 238000006243 chemical reaction Methods 0.000 claims description 10
- 230000033001 locomotion Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 238000003491 array Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000005574 cross-species transmission Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000003475 lamination Methods 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
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Abstract
The invention discloses a wind power generation rotor blade, in particular 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, a blade panel is sequentially connected onto the blade framework in a rotating way, 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 blade framework is connected with the blade panel in a rotating way, the rotation of the blade panel is controlled through the internal supporting mechanism, the whole wind area of the blade is changed, the impact on the blade is reduced by reducing the wind area of the blade panel in the windy weather, and the wind power generation blade is protected in 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 rotor is driven by wind power to rotate by utilizing fan blades, the rotor drives the generator to operate to generate electric power, the length of the blades is related to the generated energy, the length of the blades of the generator is generally 6-50 meters, the length of the blades of the generator is determined according to different sites and different power generation requirements, and the large-scale wind driven generator blades are manufactured in a mode of pouring a mould.
A truss type modular wind power blade is disclosed in the application document CN113775471a, comprising: the blade truss framework comprises a main beam, a plurality of front edge support trusses and a plurality of rear edge support trusses which are distributed in a staggered manner along the length direction of the main beam, and a rear edge beam and a rear edge small I-shaped beam are arranged on one side of the 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 trailing edge housing module comprises a PS trailing edge housing arranged on the windward side of the trailing edge support frame and an SS trailing edge housing on the leeward side; the front and rear edge shell modules are connected with the main beams through the front and rear edge support trusses, the front and rear edge support trusses and the main beams are designed at a certain angle, the main beams bear internal force and are transmitted to the trusses, the internal force is released to the front and rear edges, and finally the force is transmitted to the blade roots, so that an integral stable structure is formed, and the integral stability of the wind power blade is improved.
However, the existing wind power generation blade has a limit in the rotation speed driven by wind power, the rotation speed of the blade needs to be controlled under the condition of large wind power, and the blade is stressed greatly, especially under severe environmental conditions, such as typhoon weather and even hurricane weather, the blade can not be retracted and still stressed, so that the blade is easy to damage.
Disclosure of Invention
The present invention is directed to a wind turbine rotor blade that solves the above mentioned problems of the prior art.
In order to achieve the above purpose, the present invention provides the following technical solutions:
the utility model provides a wind power generation rotor blade, including the rotor link, the blade skeleton is connected to the rotor link side, thereby 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 inside control piece that sets up of rotor link, the blade panel is connected in the outside rotation of blade skeleton, through the rotation of inside supporting mechanism control blade panel, change the holistic area of receiving wind of blade, thereby can reduce the impact that the blade received through the area of receiving wind that reduces the blade panel under the windy weather, protect wind power generation blade under bad weather.
Preferably, the rotor connecting frame comprises an inner rotor skeleton, the outer side of the rotor skeleton is fixedly connected with a housing, a connecting hole is formed in the side face of the housing, a fixing flange fixedly connected with the rotor skeleton is fixed at the connecting hole, the fixing flange is connected with a connecting flange fixed at the head end of the blade skeleton through bolts, the outer side of the rotor skeleton is connected with the housing to protect devices inside the housing, and the fixing flange is connected with the connecting flange through bolts 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 rotationally connected with the blade panel through a connecting rod, the control piece is connected with the transmission cylinder through the air pipe by adopting the control cylinder, and the transmission cylinder drives the connecting rod to move so as to retract and release the blade panel.
Preferably, the air pipe is connected to the transmission cylinder at the tail part of the blade framework, the air pipe is communicated with the transmission cylinder through a valve, a piston rod of the transmission cylinder is connected with a valve rod connected with the upper-stage transmission cylinder through a rope, and the piston rod of the transmission cylinder is connected with the valve rod of the upper-stage valve through the rope to change the windward area according to requirements.
Preferably, the piston plate is connected with the screw rod in a sliding way in the control cylinder, a through hole is formed in the piston plate, a sealing plate in rotary connection with the piston plate is arranged in the middle of the piston plate, a through hole matched with the piston plate is formed in the sealing plate, the sealing plate is controlled to rotate by a rotating structure at two ends of the control cylinder, the piston plate is connected with the screw rod in the control cylinder in a sliding way, the sealing plate is arranged in the middle of the piston plate, and the through hole is controlled to be opened by rotating the sealing plate, so that the piston plate can realize air suction or inflation during movement.
Preferably, the two sides of the sealing plate are provided with jacks, one side of each jack is provided with a sealing cylinder, two ends of the inside of the control cylinder are fixedly connected with wedge blocks, the sealing plate is provided with through holes corresponding to the jacks, the sealing plate is abutted against the wedge blocks, the joint of the control cylinder and the air pipe is provided with a conversion one-way valve, and the piston plate moves to the position where the sealing plate is abutted against the wedge blocks, so that the sealing plate is controlled to rotate relative to the piston plate, and two ends of the piston plate are controlled to be communicated or sealed.
Preferably, the conversion includes the valve casing, and the valve casing internal rotation connects the case, is provided with the air current passageway in the case, is provided with the fixed plate in foraminiferous in the air current passageway, and the laminating of fixed plate side sets up the sliding plate, is provided with the hole crisscross with the hole on the fixed plate on the sliding plate, and the conversion check valve changes gas output direction, avoids inside air current to spill over when aerifing, avoids outside air to get into when exhausting.
Preferably, the rotor connecting frame is fixedly connected with the connecting cylinder, the connecting cylinder is rotationally connected with the connecting seat, the connecting seat is fixedly connected with the steering motor, an output shaft of the steering motor is fixedly connected with the connecting seat, the rotor connecting frame is rotationally arranged on the connecting seat through the connecting cylinder, and the direction of the blade right facing the connecting seat can be controlled through the steering motor, so that the blade right facing the air flow direction when in different wind directions, and the power generation efficiency is improved.
Preferably, the connecting cylinder is connected with the connecting seat through a clamping mechanism, the clamping mechanism comprises a clamping rod which is in sliding connection with the connecting seat, the clamping rod is connected with a driving rod of the clamping cylinder, and the connecting cylinder is radially fixed with the connecting seat 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 a clamping groove of an annular array, and the clamping groove is matched with the clamping rod.
Compared with the prior art, the invention has the beneficial effects that:
1. the blade adopts a mode that the blade framework is rotationally connected with a plurality of blade panels which are linearly arrayed along the blade framework, and the blade framework is reduced by wind force through 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 the valve, the valve is controlled to open and close through the motion of the next transmission cylinder, the previous transmission cylinder is enabled to move, the blade panel from the tail end of the blade to the head end of the blade can be sequentially opened, under the condition of high wind force, part of the blade panel is stressed, the blade operates under the condition of being close to the maximum wind force which can be born by the blade panel, and under the condition of super strong wind force, the blade panel is fully retracted so as to protect the blade;
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, so that the piston plate moves in the control cylinder to realize inflation and deflation, the sealing plate is arranged in the middle of the piston plate, the sealing plate is controlled to rotate by abutting the wedge block, so that two ends of a through hole in the piston plate are communicated or sealed, and the inflation or the deflation can be controlled by controlling the rotation quantity of the screw rod;
4. the connecting cylinder is rotationally connected with the connecting seat, the connecting cylinder and a rotor framework connected with the connecting cylinder are controlled to turn through the turning motor, the direction of the blades is changed to enable the blades to be opposite to the air flow under the normal state, and the clamping cylinder is controlled to clamp the clamping rod to enable the connecting cylinder and the connecting seat to be radially fixed after the direction of adjustment.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic view of the connection of a blade skeleton and a blade panel of the present invention;
FIG. 3 is a schematic view of a partial structure of a blade skeleton 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 a control cylinder of the present invention;
FIG. 7 is a cross-sectional view of a switching check valve of the present invention;
FIG. 8 is a cross-sectional view of the valve spool in the switching check valve of the present invention;
FIG. 9 is a cross-sectional view of the connecting base of the present invention;
in the figure: 1. a connecting seat; 11. a steering motor; 12. a clamping cylinder; 121. a clamping rod; 2. a connecting cylinder; 3. a generator; 4. a rotor connecting frame; 41. a rotor skeleton; 42. a housing; 43. controlling a motor; 44. a drive bevel gear; 45. a control cylinder; 451. a switching check valve; 4511. converting a motor; 4512. a switching 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 limit rod; 455. wedge blocks; 46. a fixed flange; 5. a rotor blade; 51. a blade housing; 52. a blade panel; 53. a blade skeleton; 54. a connecting flange; 55. a transmission cylinder; 551. a valve; 5511. a valve stem; 5512. a valve cylinder; 5513. a torsion spring; 5514. a transmission piston rod; 56. a connecting rod; 561. a ball sleeve; 562. a rope; 57. and an air pipe.
Detailed Description
Example 1
As shown in fig. 1-4, a wind power generation rotor blade comprises a rotor connecting frame 4, a blade framework 53 is connected to the 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 in the blade framework 53, the blade panel 52 is connected with the supporting mechanism, the supporting mechanism is connected with a control piece arranged in the rotor connecting frame 4, the rotor connecting frame 4 comprises an inner rotor framework 41, a housing 42 is fixedly connected to the outer side of the rotor framework 41, a connecting hole is formed in the side surface of the housing 42, a fixing flange 46 fixedly connected with the rotor framework 41 is fixedly arranged at the connecting hole, the fixing flange 46 is connected with a connecting flange 54 fixedly arranged at the head end of the blade framework 53 through bolts, 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, and a piston rod of the transmission cylinder 55 is rotationally connected with the blade panel 52 through a connecting rod 56; the air pipe 57 is connected to the transmission cylinder 55 at the tail 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 rod 5511 of the valve 551 connected with the transmission cylinder 55 at the previous stage through a rope 562.
The rotor connecting frame 4 is formed by fixedly connecting a housing 42 on the outer side of a rotor framework 41, fixedly connecting an annular array of fixing flanges 46 on the rotor connecting frame 4, fixedly connecting the fixing flanges 46 with a connecting flange 54 fixedly connected with a blade framework 53 in a rotor blade 5 through bolts, fixedly connecting a blade shell 51 on the outer side of the blade framework 53, rotating a connecting blade panel 52 on the blade framework 53, rotating the connecting blade panel 52 relative to the blade framework 53 through control, changing the wind shielding area of the rotor blade 5, changing the stress intensity of the rotor blade 5, protecting the rotor blade 5 by reducing the stress of the rotor blade 5 in ultra-strong wind weather, removing snow or icing through rotating the control blade panel 52 in ice and snow weather, connecting the blade panel 52 to the blade framework 53 through a hinge, rotating the inner side of the blade panel 52 to be connected with the end part of a connecting rod 56, rotating the connecting rod 56 to the ball sleeve 561 fixed at the bottom end of a transmission piston rod 5514 in a transmission cylinder 55, and retracting the connecting rod 56 with the moving blade panel 52 under the condition that the transmission cylinder 55 moves the transmission piston rod 5514 inwards, so as to retract the blade panel 52; the end of the transmission cylinder 55 is connected with a valve 551, the valve barrel 5512 in the valve 551 rotates to the side opening of the valve barrel and is communicated with the 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 cylinder 55 is graded from the root of the blade framework 53 to the tail of the blade framework 53 in a linear array, 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 the ball sleeve 561 pulls a valve rod 5511 of the valve 551 and the valve barrel 5512 to rotate, a torsion spring 5513 rotates to enable the interior of the valve barrel 5512 to be communicated with the air pipe 57, and simultaneously 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, and therefore the blade panels 52 connected with the blade framework 53 can be gradually retracted from the tail.
Example 2
1-8, a wind power generation rotor blade comprises a rotor connecting frame 4, wherein the side surface of the rotor connecting frame 4 is connected with a blade framework 53, the blade framework 53 is sequentially connected with a blade panel 52 in a rotating mode, a supporting mechanism is arranged in the blade framework 53, the blade panel 52 is connected with the supporting mechanism, and the supporting mechanism is connected with a control piece arranged in the rotor connecting frame 4; the rotor connecting frame 4 comprises an inner rotor framework 41, a housing 42 is fixedly connected to the outer side of the rotor framework 41, a connecting hole is formed in the side face of the housing 42, 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 fixedly connected with the head end of the blade framework 53 through bolts; the control part 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 rotationally connected with the blade panel 52 through a connecting rod 56, the control cylinder 45 is slidably connected with a piston plate 453, the piston plate 453 is in threaded connection with a screw 452, a through hole 4532 is formed in the piston plate 453, a sealing plate rotationally 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 a sealing plate 4533, and the sealing plate 4533 is controlled to rotate by the rotating structures at two ends of the control cylinder 45; the two sides of the closing plate 4533 are provided with inserting holes 4531, a closing cylinder is arranged on one side of the inserting holes 4531, two ends of the inner part of the control cylinder 45 are fixedly connected with wedge blocks 455, the closing plate 4533 is provided with through holes 4532 corresponding to the inserting holes 4531, the closing plate 4533 is abutted against the wedge blocks 455, and a conversion one-way valve 451 is arranged at the joint of the control cylinder 45 and the air pipe 57; the conversion comprises a valve shell, a conversion valve core 4512 is rotatably connected in the valve shell, an air flow channel 4513 is arranged in the conversion valve core 4512, a fixing plate 4515 with holes is arranged in the air flow channel 4513, a sliding plate 4516 is arranged on the side surface of the fixing plate 4515 in a lamination manner, and holes staggered with the holes in the fixing plate 4515 are arranged on the sliding plate 4516.
The number of the driving cylinders is the same as that of the rotor blades 5, the driving cylinders are three, the driving cylinders are in annular arrays in the rotor framework 41, each driving cylinder is connected with a piston plate 453 in a sliding mode, the piston plates 453 are connected with a limiting rod 454 fixed on the inner side face of the driving cylinder in an axial sliding mode, the driving bevel gear 44 is driven by a driving motor to rotate, the driving bevel gear 44 is meshed with a driven bevel gear coaxially and fixedly connected with the 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 vane panel 52 is retracted, the switching check valve 451 is rotated until the gas flows into the driving cylinder only through the gas pipe 57, and the gas in the driving cylinder 55 is discharged, namely, the driving cylinder is pumped out from the gas pipe 57, 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 is abutted against the wedge block 455, so that the through hole 4532 on the closing plate 4533 is offset from the through hole 4532 on the piston plate 453, two sides of the piston plate 453 are isolated, the screw 452 reversely rotates, the gas is pumped into the driving cylinder from the gas pipe 57, the wedge block 455 to the bottom of the driving cylinder is inserted into the jack 4531 on the other side, so that the closing plate 4533 rotates to align the through hole 4532 of the closing plate 4533 with the through hole 4532 of the piston plate 453, and then the driving piston plate 453 moves inwards, and the air in the driving cylinder is discharged, in this way, the gas in the driving cylinder 55 is repeatedly pumped out, the vane panel 52 can be enabled to slide the sliding plate 4516 in the switching check valve 451 to be positioned close to one end of the driving cylinder 4533, the fixed plate 4517 is positioned close to the gas hole 4517, and the fixed air hole 4517 is fixed in the air hole 4517 and is fixed in the air cylinder 4517, and is fixed in the air hole 4517, and is separated from the sliding plate 45 and the air plate 45 is positioned.
When the control vane panel 52 is opened, the air is inflated into the transmission air cylinder 55, 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 air flows into the air pipe 57 only from the inside of the driving air cylinder, the control motor 43 rotates to drive the piston plate 453 to move in the driving air cylinder until the sealing plate 4533 in the middle of the piston rod abuts against the wedge-shaped block 455 at the bottom end of the driving air cylinder, the through hole 4532 on the sealing 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 air cylinder, air is pressed into the air pipe 57, the transmission air cylinder 55 is inflated gradually, the wedge-shaped block 455 at the top in the driving air cylinder abuts against the sealing plate 4533, the piston plate 453 is aligned with the through hole 4532 on the sealing plate 4533, the driving piston plate 453 moves reversely, and the air can be pressed into the air pipe 57 by circulating the steps.
The closing plate 4533 is arranged at a certain angle with the through hole 4532 on the piston plate 453, the closing plate 4533 is provided with a hole which is abutted against the wedge-shaped block 455, when the hole on the closing plate 4533 slides a certain distance relative to the wedge-shaped block 455, the closing plate 4533 is aligned with the through hole 4532 on the piston plate 453, and relative movement is continued in one direction to enable the closing plate 4533 to rotate relative to the piston plate 453 continuously, so that the closing plate 4533 is staggered with the through hole 4532 on the piston plate 453 again, namely, when the closing plate 4533 is abutted against the wedge-shaped block 455 from the beginning to move to the inclined surface end of the wedge-shaped block 455, the through hole 4532 on the closing plate 4533 is overlapped with the through hole 4532 on the piston plate 453 at least twice, and only the displacement of the closing plate 453 is controlled to be communicated or closed at two ends of the through hole 4532 of the closing plate 453.
Example 3
As shown in fig. 1-9, a wind power generation rotor blade comprises a rotor connecting frame 4, a blade framework 53 is connected to the side surface of the rotor connecting frame 4, a blade panel 52 is sequentially connected to the blade framework 53 in a rotating mode, a supporting mechanism is arranged inside the blade framework 53, the blade panel 52 is connected with the supporting mechanism, the supporting mechanism is connected with a control piece arranged inside the rotor connecting frame 4, the rotor connecting frame 4 is fixedly connected with a connecting cylinder 2, the connecting cylinder 2 is rotationally connected with a connecting seat 1, the connecting seat 1 is fixedly connected with a steering motor 11, an output shaft of the steering motor 11 is fixedly connected with the connecting seat 1, the connecting cylinder 2 is connected with the connecting seat 1 through a clamping mechanism, the clamping mechanism comprises a clamping rod 121 which is slidably connected with the connecting seat 1, the clamping rod 121 is connected with a driving rod of a clamping cylinder 12, a clamping ring is fixedly connected to the inner side of the connecting cylinder 2, a clamping groove of an annular array is formed in the upper side of the clamping ring, and the clamping groove is matched with the clamping rod 121.
When the wind direction changes, in order to enable the rotor blades to face the air flow direction and improve the power generation efficiency, the steering motor 11 fixed in the connecting seat 1 drives the connecting cylinder 2 connected on the connecting seat 1 to rotate, the generator 3 is fixedly connected to the top of the connecting cylinder 2, the input shaft of the generator 3 is fixedly connected with the shaft connected with the rotor framework 41 coaxially, the rotor blades 5 rotate to change the stress direction, and then the clamping rods 121 are driven by the clamping cylinders 12 to be clamped in clamping grooves formed in the inner sides of the connecting cylinder 2 and the connecting seat 1, so that the connecting cylinder 2 and the connecting seat 1 can be radially fixed.
Claims (7)
1. The wind power generation rotor blade is characterized by comprising a rotor connecting frame (4), wherein the side surface of the rotor connecting frame (4) is connected with a blade framework (53), the blade framework (53) is sequentially connected with a blade panel (52) in a rotating mode, a supporting mechanism is arranged in the blade framework (53), the blade panel (52) is connected with the supporting mechanism, and the supporting mechanism is connected with a control piece arranged in the rotor connecting frame (4);
the rotor connecting frame (4) comprises an inner rotor framework (41), a housing (42) is fixedly connected to the outer side of the rotor framework (41), a connecting hole is formed in the side face of the housing (42), 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) fixedly connected with the head end of the blade framework (53) through bolts;
the control part 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), and a piston rod of the transmission cylinder (55) is rotationally connected with the blade panel (52) through a connecting rod (56);
the air pipe (57) is connected to a transmission air cylinder (55) at the tail of the blade framework (53), the air pipe (57) is communicated with the transmission air cylinder (55) through a valve (551), and a piston rod of the transmission air cylinder (55) is connected with a valve rod (5511) of the valve (551) connected with the upper-stage transmission air cylinder (55) through a rope (562).
2. A wind power generation rotor blade according to claim 1, characterized in that the control cylinder (45) is slidably connected with a piston plate (453), the piston plate (453) is in threaded connection with a screw (452), a through hole (4532) is arranged on the piston plate (453), a sealing plate in rotational connection 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 arranged on the sealing plate (4533), and the sealing plate (4533) is controlled to rotate by the rotational structures at the two ends of the control cylinder (45).
3. A wind power generation rotor blade according to claim 2, characterized in that the two sides of the closing plate (4533) are provided with inserting holes (4531), a closing cylinder is arranged on one side of the inserting holes (4531), wedge-shaped blocks (455) are fixedly connected to two ends of the inside of the control cylinder (45), the closing plate (4533) is provided with through holes (4532) corresponding to the inserting holes (4531), the closing plate (4533) is abutted against the wedge-shaped blocks (455), and a switching check valve (451) is arranged at the joint of the control cylinder (45) and the air pipe (57).
4. A wind turbine rotor blade according to claim 3, wherein the conversion comprises a valve housing, the valve housing is rotatably connected with a conversion valve core (4512), an air flow channel (4513) is arranged in the conversion valve core (4512), a fixing plate (4515) with holes is arranged in the air flow channel (4513), a sliding plate (4516) is arranged on the side surface of the fixing plate (4515) in a fitting manner, and holes staggered with the holes in the fixing plate (4515) are arranged on the sliding plate (4516).
5. A wind turbine rotor blade according to claim 1, characterized in that the rotor connection frame (4) is fixedly connected with the connection cylinder (2), the connection cylinder (2) is rotatably connected with the connection seat (1), the connection seat (1) is fixedly connected with the steering motor (11), and the output shaft of the steering motor (11) is fixedly connected with the connection seat (1).
6. A wind turbine rotor blade according to claim 5, wherein the connecting cylinder (2) is connected to the connecting base (1) by means of a snap-in mechanism comprising a snap-in lever (121) slidably connected to the connecting base (1), the snap-in lever (121) being connected to a driving lever of a snap-in cylinder (12).
7. A wind power generation rotor blade according to claim 6, wherein the inner side of the connecting cylinder (2) is fixedly connected with a clamping ring, the upper side of the clamping ring is provided with an annular array of clamping grooves, and the clamping grooves are matched with the clamping rods (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 CN115773199A (en) | 2023-03-10 |
| CN115773199B true 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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|---|---|---|---|---|
| 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
Patent 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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