CN216447043U

CN216447043U - Fan blade for wind power generation

Info

Publication number: CN216447043U
Application number: CN202122158453.5U
Authority: CN
Inventors: 王亦晨
Original assignee: Baili Construction Group Co ltd
Current assignee: Baili Construction Group Co ltd
Priority date: 2021-09-08
Filing date: 2021-09-08
Publication date: 2022-05-06
Anticipated expiration: 2031-09-08

Abstract

The utility model relates to the technical field of wind power generation, and discloses a fan blade for wind power generation. The fan blade for wind power generation blows the wind resistance plate to deflect through the size of wind power, the deflection angle of the wind resistance plate is small when the wind power is small, so that the wind area is increased, when the wind power is large, the wind resistance plate presses the reset elastic sheet to deform, the deflection angle is increased, the wind area is reduced, the wind area is automatically adjusted according to the wind speed, the rotating speed is automatically adjusted, the adjusting and controlling baffle has the wind resistance, when the wind power is overlarge, the wind power pushes the adjusting and controlling baffle to move rightwards, the adjusting and controlling baffle pushes the arc-shaped frame to move rightwards, the inner end of the arc-shaped frame moves rightwards, the outer end of the arc-shaped frame moves leftwards to drive the blocking plate to stretch into the left opening of the wind guide cylinder, the wind is blocked, the wind receiving size is reduced through the mode of reducing the opening size of the wind guide cylinder, the rotating speed is stabilized, and the purpose of protecting power generation equipment is achieved.

Description

Fan blade for wind power generation

Technical Field

The utility model relates to the technical field of wind power generation, in particular to a fan blade for wind power generation.

Background

Wind power generation is that the power of wind is converted into flabellum pivoted power through the flabellum, and then generate electricity through transmitting power to the generator, however general generator flabellum angle is fixed, when using, because the size of wind-force can change, leads to flabellum rotational speed unstable, and the condition that flabellum rotational speed is too slow can appear when wind-force is too little, influences the efficiency of electricity generation, and wind-force is too big can lead to the flabellum to damage again, also can lead to the high-speed operation of power generating equipment to damage.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Aiming at the defects of the prior art, the utility model provides the fan blade for wind power generation, and solves the problems that the angle of the fan blade of wind power generation equipment is fixed, and the rotating speed of the fan blade is unstable.

(II) technical scheme

In order to achieve the purpose, the utility model provides the following technical scheme: a fan blade for wind power generation comprises a supporting column, wherein an installation base is fixedly installed at the bottom of the supporting column, an air guide cylinder is rotatably installed at the top end of the supporting column through a bearing, a fixing support is fixedly connected to the outer wall of the top of the air guide cylinder and is positioned close to the right side, a guide plate is fixedly installed at the top end of the fixing support, a support frame is fixedly connected to the inner wall of the air guide cylinder and is positioned close to the right side, a power rotating shaft is rotatably connected to the support frame close to the inner side end through the bearing, a transmission sleeve is fixedly sleeved on the outer wall of the power rotating shaft, the outer wall of the transmission sleeve is rotatably connected with an installation rotating shaft through the bearing, a wind resistance plate is fixedly connected to one end, away from the transmission sleeve, of the installation rotating shaft, the wind resistance plate is fixedly connected to the outer side wall of the wind resistance plate, and one end, away from the wind resistance plate, of the adjustment shaft is rotatably connected with the inner wall of the air guide cylinder through the bearing, the outer wall of the regulating shaft is fixedly connected with a resetting elastic sheet, one end of the resetting elastic sheet far away from the regulating shaft is fixedly connected with the inner wall of the air duct, a bearing sleeve is arranged on the inner wall of the air duct and is positioned right opposite to the regulating shaft, the outer end of the regulating shaft and one end of the reset elastic sheet far away from the regulating shaft are both connected with the bearing sleeve on the inner wall of the air duct, a limiting ring is fixedly connected to the outer wall of the transmission sleeve and positioned at the right side of the installation rotating shaft, a regulating baffle is sleeved at the outer wall of the power rotating shaft and positioned at the right side of the transmission sleeve, an arc-shaped frame is movably inserted in the inner wall of the air duct and positioned on the right side of the regulating baffle, the outer end of the arc-shaped frame penetrates through the air duct and extends to the outer side of the air duct, the air guide duct is characterized in that a plugging plate is fixedly connected to one end, extending to the outer side of the air guide duct, of the arc-shaped frame, a transmission bayonet is formed in the right end of the power rotating shaft, and a mounting flange plate is fixedly connected to the right side wall of the air guide duct.

Preferably, the axis of the fixed support is located on the right side of the axis of the support column, the guide plate is blown by wind power, and the guide duct is driven by the guide plate to deflect by taking the support column as the axis, so that the left end of the guide duct turns to the windward side.

Preferably, the reset elastic sheet is vortex-shaped and made of spring steel, so that after the wind resistance plate is stressed to deflect, the reset elastic sheet provides a force for recovering the original position, the wind resistance plate can automatically change the deflection size along with the wind force, and the stability of the rotating speed is kept.

Preferably, the distance between the limiting ring and the installation rotating shaft is smaller than the distance between the installation rotating shaft and the bottom of the rear side wall of the wind resistance plate, so that the wind resistance plate can be limited and blocked by the limiting ring at the maximum deflection angle when rotating by taking the installation rotating shaft as an axis.

Preferably, the regulation and control baffle is made by the iron filter plate, magnet has been inlayed to the one end inside of arc frame and the contact of regulation and control baffle, makes the arc frame extend the inside one end of wind-guiding section of thick bamboo and keeps all the time and adjust and control the baffle laminating.

Preferably, the generator is fixedly mounted on the right side of the mounting flange disc frame through the mounting flange disc frame, the output end of the generator is inserted into the transmission bayonet, and the transmission bayonet converts wind power into rotating force and then transmits the rotating force to the generator to generate power.

Preferably, the outer wall of the power rotating shaft is provided with a sliding groove, the regulating baffle is clamped on the outer side of the sliding groove, a spring is arranged inside the sliding groove, the right end of the spring is fixedly connected with the inner wall of the right side of the sliding groove, and the left end of the spring is in contact with the right side face of the regulating baffle.

Compared with the prior art, the utility model provides the fan blade for wind power generation, which has the following beneficial effects:

1. this flabellum for wind power generation blows the windband through the size of wind-force and deflects, and windband deflection angle is little when wind-force is less to make the area of catching the wind increase, when wind-force is great, the windband pressure moves the shell fragment that resets and warp, and deflection angle increases, thereby reduces the area of catching the wind, thereby reaches according to wind speed automatically regulated area of catching the wind, thereby automatically regulated rotational speed.

2. This flabellum for wind power generation, regulation and control baffle have the windage, and when wind-force was too big, wind-force promoted regulation and control baffle and moved right, and regulation and control baffle promotes the arc frame and moves right, and the inner of arc frame moves right, and the outer end of arc frame moves left and drives the shutoff board and stretch into to the left side opening of guide duct inside, blocks wind, reduces the size of catching wind through the mode that reduces guide duct opening size to reach the stable rotational speed, protect power generating equipment's purpose.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic cross-sectional view of the present invention;

FIG. 3 is an enlarged view of the structure of FIG. 2.

Wherein: 1. a support column; 2. installing a base; 3. an air duct; 4. fixing a bracket; 5. a guide plate; 6. a power shaft; 7. a transmission sleeve; 8. installing a rotating shaft; 9. a wind resistance plate; 10. a regulating shaft; 11. resetting the elastic sheet; 12. a limiting ring; 13. regulating and controlling a baffle; 14. an arc-shaped frame; 15. a plugging plate; 16. a transmission bayonet; 17. and (5) mounting a flange plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, the utility model provides a fan blade for wind power generation, comprising a support pillar 1, a mounting base 2 fixedly mounted at the bottom of the support pillar 1, a wind guide cylinder 3 rotatably mounted at the top end of the support pillar 1 through a bearing, a fixed support 4 fixedly connected to the top outer wall of the wind guide cylinder 3 at the position close to the right side, a guide plate 5 fixedly mounted at the top end of the fixed support 4, the axis of the fixed support 4 is located at the right side of the axis of the support pillar 1, the guide plate 5 is blown by wind power, the wind guide cylinder 3 is driven by the guide plate 5 to deflect by taking the support pillar 1 as the axis, so that the left end of the wind guide cylinder 3 is rotated to the windward side, a support frame is fixedly connected to the inner wall of the wind guide cylinder 3 at the position close to the right end, the inner end of the support frame is rotatably connected with a power rotating shaft 6 through a bearing, a transmission sleeve 7 is fixedly sleeved on the outer wall of the power rotating shaft 6, a mounting rotating shaft 8 is rotatably connected to the outer wall of the transmission sleeve 7 through a bearing, the end of the installation rotating shaft 8 far away from the transmission sleeve 7 is fixedly connected with a wind resistance plate 9, the end of the wind resistance plate 9 near the outer side wall is fixedly connected with a regulation shaft 10, the end of the regulation shaft 10 far away from the wind resistance plate 9 is rotatably connected with the inner wall of the air guide tube 3 through a bearing, the outer wall of the regulation shaft 10 is fixedly connected with a reset elastic sheet 11, one end of the reset elastic sheet 11 far away from the regulation shaft 10 is fixedly connected with the inner wall of the air guide tube 3, the reset elastic sheet 11 is vortex-shaped and made of spring steel, so that after the wind resistance plate 9 deflects under the stress, the reset elastic sheet 11 provides a force for recovering the original position, the wind resistance plate 9 can automatically change the deflection size along with the wind power size, the stability of the rotating speed is kept, a bearing sleeve is installed on the inner wall of the air guide tube 3 and is positioned right opposite to the regulation shaft 10, and the end of the regulation shaft 10 near the outer end and the reset elastic sheet 11 far away from the regulation shaft 10 are both connected with the bearing sleeve on the inner wall of the air guide tube 3, a limiting ring 12 is fixedly connected to the outer wall of the transmission sleeve 7 and positioned on the right side of the installation rotating shaft 8, the distance between the limiting ring 12 and the installation rotating shaft 8 is smaller than the distance between the installation rotating shaft 8 and the bottom of the rear side wall of the wind resistance plate 9, so that the maximum deflection angle of the wind resistance plate 9 can be limited and blocked by the limiting ring 12 when the wind resistance plate 9 rotates by taking the installation rotating shaft 8 as an axis, the wind resistance plate 9 is blown to deflect by the size of wind power, the deflection angle of the wind resistance plate 9 is small when the wind power is small, the wind area is increased, when the wind power is large, the reset elastic sheet 11 is pressed by the wind resistance plate 9 to deform, the deflection angle is increased, the wind area is reduced, the wind area is automatically adjusted according to the wind speed, the rotating speed is adjusted, the rotating speed is stable, a regulation baffle 13 is sleeved on the outer wall of the power rotating shaft 6 and positioned on the right side of the transmission sleeve 7, a regulation arc-shaped frame 14 is movably inserted in the inner wall of the air guide cylinder 3 and positioned on the right side of the regulation baffle 13, the regulating baffle 13 is made of an iron filter plate, a magnet is embedded in one end of the arc frame 14, which is contacted with the regulating baffle 13, so that one end of the arc frame 14, which is extended into the air duct 3, is always attached to the regulating baffle 13, the outer wall of the power rotating shaft 6 is provided with a chute, the regulating baffle 13 is clamped on the outer side of the chute, a spring is installed in the chute, the right end of the spring is fixedly connected with the right inner wall of the chute, the left end of the spring is contacted with the right side surface of the regulating baffle 13, the outer end of the arc frame 14, which is close to the outer end, penetrates through the air duct 3 and is extended to the outer side of the air duct 3, one end of the arc frame 14, which is extended to the outer side of the air duct 3, is fixedly connected with a blocking plate 15, the regulating baffle 13 has a wind resistance, when the wind power is too large, the regulating baffle 13 is pushed to move rightwards, the regulating baffle 13 is pushed to move by the arc frame 14, the inner end of the arc frame 14 moves rightwards, the outer end of the arc frame 14 moves leftwards to drive the blocking plate 15 to extend into the left opening of the air duct 3, block wind, reduce the size of catching a wind through the mode that reduces 3 opening sizes of ventilating duct, thereby reach stable rotational speed, the purpose of protection power generation facility, transmission bayonet 16 has been seted up to the right-hand member of power pivot 6, the right side wall fixedly connected with mounting flange 17 of ventilating duct 3, the generator passes through the right side fixed mounting of mounting flange dish rack with mounting flange 17, and the output of generator inserts the inside to transmission bayonet 16, transmission bayonet 16 transmits to the generator after turning into the turning force with wind-force and generates electricity.

When the wind power generator is used, the wind power generator is fixed with the bottom surface through the mounting base 2, the generator is fixedly mounted on the right side of the mounting flange plate rack 17 through the mounting flange plate rack, the output end of the generator is inserted into the transmission bayonet 16, the wind resistance plate 9 is blown to deflect through the wind power, the wind resistance plate 9 drives the transmission sleeve 7 to rotate through the mounting rotating shaft 8 under the blowing of the wind, the transmission sleeve 7 drives the power rotating shaft 6 to rotate, the power rotating shaft 6 drives the generator to rotate to generate electricity, the deflection angle of the wind resistance plate 9 is small when the wind power is small, so that the wind area is increased, when the wind power is large, the wind resistance plate 9 presses the reset elastic sheet 11 to deform, the deflection angle is increased, so that the wind area is reduced, the wind area is automatically adjusted according to the wind speed, the rotating speed is automatically adjusted, when the wind passes through the wind resistance plate 9 and blows to the surface of the adjusting baffle 13, when the wind power is too large, the wind power pushes the regulating baffle 13 to move rightwards, the regulating baffle 13 pushes the arc-shaped frame 14 to move rightwards, the inner end of the arc-shaped frame 14 moves rightwards, the outer end of the arc-shaped frame 14 moves leftwards to drive the blocking plate 15 to extend into the left opening of the air guide cylinder 3 to block wind, the size of the wind is reduced by reducing the size of the opening of the air guide cylinder 3, and therefore the purposes of stabilizing the rotating speed and protecting power generation equipment are achieved.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a flabellum for wind power generation, includes support column (1), its characterized in that: the bottom of the supporting column (1) is fixedly provided with an installation base (2), the top end of the supporting column (1) is rotatably provided with an air guide cylinder (3) through a bearing, the top outer wall of the air guide cylinder (3) is fixedly connected with a fixed support (4) at a position close to the right side, the top end of the fixed support (4) is fixedly provided with a guide plate (5), the inner wall of the air guide cylinder (3) is fixedly connected with a support frame at a position close to the right end, the support frame is rotatably connected with a power rotating shaft (6) close to the inner end through a bearing, the outer wall of the power rotating shaft (6) is fixedly sleeved with a transmission sleeve (7), the outer wall of the transmission sleeve (7) is rotatably connected with an installation rotating shaft (8) through a bearing, one end, far away from the transmission sleeve (7), of the installation rotating shaft (8) is fixedly connected with a wind resistance plate (9), and the outer side wall of the wind resistance plate (9) is fixedly connected with a regulation and control shaft (10), one end of the regulating shaft (10) far away from the wind resistance plate (9) is rotatably connected with the inner wall of the air guide cylinder (3) through a bearing, the outer wall of the regulating shaft (10) is fixedly connected with a reset elastic sheet (11), one end of the reset elastic sheet (11) far away from the regulating shaft (10) is fixedly connected with the inner wall of the air guide cylinder (3), the outer wall of the transmission sleeve (7) is fixedly connected with a limiting ring (12) at the position on the right side of the installation rotating shaft (8), the outer wall of the power rotating shaft (6) is sleeved with a regulating baffle plate (13) at the position on the right side of the transmission sleeve (7), an arc-shaped frame (14) is movably inserted at the position on the right side of the regulating baffle plate (13) on the inner wall of the air guide cylinder (3), the outer end, close to the arc-shaped frame (14), penetrates through the air guide cylinder (3) and extends to the outer side of the air guide cylinder (3), and one end, extending to the outer side of the air guide cylinder (3), of the arc-shaped frame (14), is fixedly connected with a blocking plate (15), the right end of the power rotating shaft (6) is provided with a transmission bayonet (16), and the right side wall of the air duct (3) is fixedly connected with a mounting flange plate (17).

2. The blade for wind power generation according to claim 1, wherein: the axis of the fixed support (4) is positioned at the right side of the axis of the support column (1).

3. The blade for wind power generation according to claim 1, wherein: the reset elastic sheet (11) is vortex-shaped, and the reset elastic sheet (11) is made of spring steel.

4. The blade for wind power generation according to claim 1, wherein: the distance between the limiting ring (12) and the installation rotating shaft (8) is smaller than the distance between the installation rotating shaft (8) and the bottom of the rear side wall of the wind resistance plate (9).

5. The blade for wind power generation according to claim 1, wherein: the regulation and control baffle (13) are made by the iron filter plate, the inside magnet that inlays of one end that arc frame (14) and regulation and control baffle (13) contact.

6. The blade for wind power generation according to claim 1, wherein: the generator is fixedly installed on the right side of the installation flange plate frame (17) through the installation flange plate frame, and the output end of the generator is inserted into the transmission bayonet (16).

7. The blade for wind power generation according to claim 1, wherein: the spout has been seted up to the outer wall of power pivot (6), and regulation and control baffle (13) joint has a spring in the outside of spout, spout internally mounted, the right-hand member of spring and the right side inner wall fixed connection of spout, the left end of spring and the right flank contact of regulation and control baffle (13).