CN217354589U

CN217354589U - Stable wind driven generator blade

Info

Publication number: CN217354589U
Application number: CN202220666851.XU
Authority: CN
Inventors: 陈中亚
Original assignee: Ningbo Changfeng Wind Energy Technology Co ltd
Current assignee: Ningbo Changfeng Wind Energy Technology Co ltd
Priority date: 2022-03-25
Filing date: 2022-03-25
Publication date: 2022-09-02
Anticipated expiration: 2032-03-25

Abstract

The utility model relates to a wind power generation technical field just discloses a stable aerogenerator blade, including rotatory hub, wind-powered electricity generation blade, first coupling mechanism, second coupling mechanism and third coupling mechanism, the outer end at rotatory hub is installed to the wind-powered electricity generation blade, the wind-powered electricity generation blade is the equidistance and arranges, first coupling mechanism is located the outer end of wind-powered electricity generation blade, second coupling mechanism is located the inside of rotatory hub, third coupling mechanism is located second coupling mechanism's outside. This stable aerogenerator blade, through setting up third driving motor, can drive transmission shaft and bevel gear and rotate, when the bevel gear rotated, can drive first thread bush and second thread bush and rotate to it is rotatory to drive two threaded rods of threaded connection with it, and make the threaded rod more and more enter into inside the thread bush gradually, thereby can drive the compression spring compression, and further improve the compactness between limiting plate and the wind-powered electricity generation blade.

Description

Stable wind driven generator blade

Technical Field

The utility model relates to a wind power generation technical field specifically is a stable aerogenerator blade.

Background

Because wind power is a clean renewable energy source, production and life of modern society increasingly depend on wind power generation, and the wind power generation is a power generation mode for converting power potential energy of wind into electric energy.

The existing wind driven generator blade is usually fixed and connected with the rotating hub only by means of a connecting flange, a bolt and the like, the size of the wind driven generator blade is large, the wind driven generator blade is connected only by means of the connecting mode, and after the wind driven generator blade is used for a long time, the stability of connection between the blade and the rotating hub can be influenced to a certain extent, so that the service life of the wind driven generator blade is influenced.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

An object of the utility model is to provide a stable aerogenerator blade to only rely on flange and bolt etc. to fix and be connected usually between solving current aerogenerator blade and the rotatory hub in the above-mentioned background art, and aerogenerator blade's volume is great, only relies on this kind of connected mode to connect, after long-term the use, the stability that blade and rotatory hub are connected can receive certain influence, thereby influences aerogenerator blade's life's problem.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: a stable wind driven generator blade comprises a rotating hub, wind power blades, a first connecting mechanism, a second connecting mechanism and a third connecting mechanism, wherein the wind power blades are arranged at the outer end of the rotating hub at equal intervals;

second coupling mechanism includes first driving motor, first lead screw, second driving motor, second lead screw, first limiting plate and second limiting plate, first driving motor fixed mounting is in the inside front side of rotatory hub, first lead screw fixed mounting is in the rear end of first driving motor transmission end, second driving motor fixed mounting is in the inside rear side of rotatory hub, second lead screw fixed mounting is at the front end of second driving motor transmission end, and through setting up second coupling mechanism, first driving motor can drive first lead screw and rotate, and second driving motor can drive the second lead screw and rotate.

Preferably, first limiting plate movable mounting is in the outer end of first lead screw, second limiting plate movable mounting is in the outer end of second lead screw, and through setting up two limiting plates, two limiting plates can be along with the rotation of two lead screws and move in opposite directions or back-to-back motion.

Preferably, the third connecting mechanism includes a connecting block, a third driving motor, a transmission shaft, a first bevel gear, a second bevel gear, a third bevel gear, a first thread sleeve, a second thread sleeve, a first threaded rod, a second threaded rod, a first compression spring, a second compression spring, a first limiting block and a second limiting block, the connecting block is fixedly installed inside the rotating hub, the connecting block is movably connected with the first lead screw and the second lead screw, the third driving motor is fixedly installed at the outer end of the connecting block, the transmission shaft is fixedly installed at the outer end of the transmission end of the third driving motor, the first bevel gear is fixedly installed at the outer end of the transmission shaft, the second bevel gear is movably installed at the front end of the first bevel gear, the second bevel gear is engaged with the first bevel gear, the third bevel gear is movably installed at the rear end of the first bevel gear, the third bevel gear is engaged with the first bevel gear, through setting up third driving motor, can drive transmission shaft and first bevel gear and second bevel gear, third bevel gear rotate.

Preferably, the first threaded sleeve is fixedly installed at the front end of the second bevel gear, the second threaded sleeve is fixedly installed at the rear end of the third bevel gear, and the first threaded sleeve and the second threaded sleeve are driven to rotate when the second bevel gear and the third bevel gear rotate through the arrangement of the first threaded sleeve and the second threaded sleeve.

Preferably, first threaded rod threaded connection is in the inner of first thread bush, first threaded rod run through first limiting plate and with first limiting plate swing joint, second threaded rod threaded connection is in the inner of second thread bush, the second threaded rod run through the second limiting plate and with second limiting plate swing joint, first compression spring fixed mounting is at the front end of first limiting plate, and through setting up threaded rod and compression spring, when the thread bush rotates, it is rotatory to drive two threaded rods of threaded connection with it to make the threaded rod more and more enter into inside the thread bush gradually, thereby can drive the compression spring compression.

Preferably, first compression spring and wind-powered electricity generation blade fixed connection, second compression spring fixed mounting is in the rear end of second limiting plate, second compression spring and wind-powered electricity generation blade fixed connection, first stopper fixed mounting is at the front end of first threaded rod, second stopper fixed mounting is in the rear end of second threaded rod, and through setting up compression spring, compression spring can compress gradually when the threaded rod moves toward thread bush inside to can improve the compactness of being connected between limiting plate and the wind-powered electricity generation blade.

Preferably, the first connecting mechanism comprises a connecting flange, a fastening bolt and a fastening nut, the connecting flange is fixedly installed at the outer end of the wind power blade, the fastening bolt penetrates through the connecting flange and the rotary hub and is in threaded connection with the connecting flange and the rotary hub, the fastening nut is in threaded connection with the outer end of the fastening bolt, and the wind power blade and the rotary hub can be connected together through the fastening bolt and the fastening nut from the outside by means of the first connecting mechanism.

Compared with the prior art, the beneficial effects of the utility model are that:

1. according to the stable wind driven generator blade, the first connecting mechanism is arranged, the first driving motor can drive the first screw rod to rotate, the second driving motor can drive the second screw rod to rotate, and the two limiting plates can move in the opposite direction or in the opposite direction along with the rotation of the two screw rods, so that the wind driven generator blade can be limited and abutted tightly, and the installation tightness and firmness of the wind driven generator blade are improved;

2. according to the stable wind driven generator blade, the third driving motor is arranged, so that the transmission shaft, the first bevel gear, the second bevel gear and the third bevel gear can be driven to rotate, the first threaded sleeve and the second threaded sleeve can be driven to rotate when the second bevel gear and the third bevel gear rotate, two threaded rods in threaded connection with the first threaded sleeve and the second threaded sleeve are driven to rotate, the threaded rods gradually enter the threaded sleeves, the compression spring is driven to compress, and the tightness between the limiting plate and the wind driven generator blade is further improved;

3. the stable wind driven generator blade can be connected with a rotating hub from the outside through a fastening bolt and a fastening nut by arranging the first connecting mechanism.

Drawings

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

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

FIG. 3 is an enlarged schematic view of the structure A in FIG. 2 according to the present invention;

FIG. 4 is an enlarged schematic view of the structure at B in FIG. 2 according to the present invention;

fig. 5 is an enlarged schematic view of the structure at C in fig. 2 according to the present invention.

In the figure: 1. rotating the hub; 2. wind power blades; 3. a first connecting mechanism; 301. a connecting flange; 302. fastening a bolt; 303. fastening a nut; 4. a second connecting mechanism; 401. a first drive motor; 402. a first lead screw; 403. a second drive motor; 404. a second screw rod; 405. a first limit plate; 406. a second limiting plate; 5. a third connecting mechanism; 501. connecting blocks; 502. a third drive motor; 503. a drive shaft; 504. a first bevel gear; 505. a second bevel gear; 506. a third bevel gear; 507. a first threaded sleeve; 508. a second threaded sleeve; 509. a first threaded rod; 510. a second threaded rod; 511. a first compression spring; 512. a second compression spring; 513. a first stopper; 514. and a second limiting block.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: a stable wind driven generator blade comprises a rotary hub 1, wind power blades 2, first connecting mechanisms 3, second connecting mechanisms 4 and third connecting mechanisms 5, wherein the wind power blades 2 are installed at the outer end of the rotary hub 1, the wind power blades 2 are arranged at equal intervals, the first connecting mechanisms 3 are located at the outer end of the wind power blades 2, the second connecting mechanisms 4 are located inside the rotary hub 1, and the third connecting mechanisms 5 are located outside the second connecting mechanisms 4;

the second connecting mechanism 4 comprises a first driving motor 401, a first screw rod 402, a second driving motor 403, a second screw rod 404, a first limiting plate 405 and a second limiting plate 406, the first driving motor 401 is fixedly arranged on the front side in the rotating hub 1, the first screw rod 402 is fixedly arranged at the rear end of the transmission end of the first driving motor 401, the second driving motor 403 is fixedly arranged on the rear side in the rotating hub 1, the second screw rod 404 is fixedly arranged at the front end of the transmission end of the second driving motor 403, through the arrangement of the second connecting mechanism 4, the first driving motor 401 can drive the first screw rod 402 to rotate, and the second driving motor 403 can drive the second screw rod 404 to rotate;

the first limiting plate 405 is movably mounted at the outer end of the first screw rod 402, the second limiting plate 406 is movably mounted at the outer end of the second screw rod 404, and the two limiting plates move in the opposite direction or in the opposite direction along with the rotation of the two screw rods, so that the wind power blade 2 can be limited and abutted tightly, and the mounting tightness and firmness of the wind power blade 2 are improved; the third connecting mechanism 5 comprises a connecting block 501, a third driving motor 502, a transmission shaft 503, a first bevel gear 504, a second bevel gear 505, a third bevel gear 506, a first threaded sleeve 507, a second threaded sleeve 508, a first threaded rod 509, a second threaded rod 510, a first compression spring 511, a second compression spring 512, a first limiting block 513 and a second limiting block 514, the connecting block 501 is fixedly installed inside the rotating hub 1, the connecting block 501 is movably connected with the first lead screw 402 and the second lead screw 404, the third driving motor 502 is fixedly installed at the outer end of the connecting block 501, the transmission shaft 503 is fixedly installed at the outer end of the transmission end of the third driving motor 502, the first bevel gear 504 is fixedly installed at the outer end of the transmission shaft 503, the second bevel gear 505 is movably installed at the front end of the first bevel gear 504, the second bevel gear 505 is engaged with the first bevel gear 504, the third bevel gear 506 is movably installed at the rear end of the first bevel gear 504, a third bevel gear 506 is meshed with the first bevel gear 504, and the third driving motor 502 is arranged to drive the transmission shaft 503, the first bevel gear 504, the second bevel gear 505 and the third bevel gear 506 to rotate; the first threaded sleeve 507 is fixedly arranged at the front end of the second bevel gear 505, the second threaded sleeve 508 is fixedly arranged at the rear end of the third bevel gear 506, and the first threaded sleeve 507 and the second threaded sleeve 508 are driven to rotate by arranging the first threaded sleeve 507 and the second threaded sleeve 508 when the second bevel gear 505 and the third bevel gear 506 rotate;

the first threaded rod 509 is in threaded connection with the inner end of the first threaded sleeve 507, the first threaded rod 509 penetrates through the first limiting plate 405 and is movably connected with the first limiting plate 405, the second threaded rod 510 is in threaded connection with the inner end of the second threaded sleeve 508, the second threaded rod 510 penetrates through the second limiting plate 406 and is movably connected with the second limiting plate 406, the first compression spring 511 is fixedly mounted at the front end of the first limiting plate 405, through the arrangement of the threaded rod and the compression spring, when the threaded sleeve rotates, the two threaded rods in threaded connection with the threaded sleeve can be driven to rotate, and gradually enter the threaded sleeve more and more, so that the compression spring can be driven to compress, and the tightness between the limiting plate and the wind power blade 2 is further improved; the first compression spring 511 is fixedly connected with the wind power blade 2, the second compression spring 512 is fixedly installed at the rear end of the second limiting plate 406, the second compression spring 512 is fixedly connected with the wind power blade 2, the first limiting block 513 is fixedly installed at the front end of the first threaded rod 509, the second limiting block 514 is fixedly installed at the rear end of the second threaded rod 510, and by arranging the compression springs, the compression springs can be gradually compressed when the threaded rods move towards the interior of the threaded sleeves, so that the connection tightness between the limiting plates and the wind power blade 2 can be improved; the first connecting mechanism 3 comprises a connecting flange 301, a fastening bolt 302 and a fastening nut 303, the connecting flange 301 is fixedly installed at the outer end of the wind power blade 2, the fastening bolt 302 penetrates through the connecting flange 301 and the rotating hub 1 and is in threaded connection with the connecting flange 301 and the rotating hub 1, the fastening nut 303 is in threaded connection with the outer end of the fastening bolt 302, and the wind power blade 2 and the rotating hub 1 can be connected together through the fastening bolt 302 and the fastening nut 303 from the outside by arranging the first connecting mechanism 3.

The working principle is as follows: firstly, the first driving motor 401 drives the first lead screw 402 to rotate, the second driving motor 403 drives the second lead screw 404 to rotate, the two limiting plates move oppositely along with the rotation of the two lead screws to limit and abut against the wind power blade 2, then, the third driving motor 502 drives the transmission shaft 503, the first bevel gear 504, the second bevel gear 505 and the third bevel gear 506 to rotate, so as to drive the first thread sleeve 507 and the second thread sleeve 508 to rotate, when the thread sleeves rotate, the two threaded rods in threaded connection with the thread sleeves are driven to rotate, and gradually enter the thread sleeves, so as to drive the compression springs to compress, and further improve the tightness between the limiting plates and the wind power blade 2, and finally, the connecting flange 301 and the wind power blade 2 are connected with the rotating hub 1 by using the fastening bolt 302 and the fastening nut 303.

It should be finally noted that the above only serves to illustrate the technical solution of the present invention, and not to limit the scope of the present invention, and that simple modifications or equivalent replacements performed by those skilled in the art to the technical solution of the present invention do not depart from the spirit and scope of the technical solution of the present invention.

Claims

1. A stable aerogenerator blade, includes rotatory hub (1), wind-powered electricity generation blade (2), first coupling mechanism (3), second coupling mechanism (4) and third coupling mechanism (5), its characterized in that: the wind power blades (2) are arranged at the outer end of the rotary hub (1), the wind power blades (2) are arranged at equal intervals, the first connecting mechanism (3) is located at the outer end of the wind power blades (2), the second connecting mechanism (4) is located inside the rotary hub (1), and the third connecting mechanism (5) is located outside the second connecting mechanism (4);

second coupling mechanism (4) include first driving motor (401), first lead screw (402), second driving motor (403), second lead screw (404), first limiting plate (405) and second limiting plate (406), first driving motor (401) fixed mounting is in the inside front side of rotatory hub (1), first lead screw (402) fixed mounting is in the rear end of first driving motor (401) transmission end, second driving motor (403) fixed mounting is in the inside rear side of rotatory hub (1), second lead screw (404) fixed mounting is at the front end of second driving motor (403) transmission end.

2. A stabilized wind turbine blade according to claim 1, wherein: the first limiting plate (405) is movably mounted at the outer end of the first screw rod (402), and the second limiting plate (406) is movably mounted at the outer end of the second screw rod (404).

3. A stabilized wind turbine blade according to claim 2, wherein: the third connecting mechanism (5) comprises a connecting block (501), a third driving motor (502), a transmission shaft (503), a first bevel gear (504), a second bevel gear (505), a third bevel gear (506), a first thread bush (507), a second thread bush (508), a first threaded rod (509), a second threaded rod (510), a first compression spring (511), a second compression spring (512), a first limiting block (513) and a second limiting block (514), the connecting block (501) is fixedly arranged in the rotating hub (1), the connecting block (501) is movably connected with the first lead screw (402) and the second lead screw (404), the third driving motor (502) is fixedly arranged at the outer end of the connecting block (501), the transmission shaft (503) is fixedly arranged at the outer end of the transmission end of the third driving motor (502), the first bevel gear (504) is fixedly arranged at the outer end of the transmission shaft (503), the second bevel gear (505) is movably arranged at the front end of the first bevel gear (504), the second bevel gear (505) is meshed with the first bevel gear (504), the third bevel gear (506) is movably arranged at the rear end of the first bevel gear (504), and the third bevel gear (506) is meshed with the first bevel gear (504).

4. A stabilized wind turbine blade according to claim 3, wherein: the first threaded sleeve (507) is fixedly arranged at the front end of the second bevel gear (505), and the second threaded sleeve (508) is fixedly arranged at the rear end of the third bevel gear (506).

5. A stabilized wind turbine blade according to claim 4, wherein: first threaded rod (509) threaded connection is in the inner of first thread bush (507), first threaded rod (509) run through first limiting plate (405) and with first limiting plate (405) swing joint, second threaded rod (510) threaded connection is in the inner of second thread bush (508), second threaded rod (510) run through second limiting plate (406) and with second limiting plate (406) swing joint, first compression spring (511) fixed mounting is at the front end of first limiting plate (405).

6. A stabilized wind turbine blade according to claim 5, wherein: first compression spring (511) and wind-powered electricity generation blade (2) fixed connection, second compression spring (512) fixed mounting is in the rear end of second limiting plate (406), second compression spring (512) and wind-powered electricity generation blade (2) fixed connection, first stopper (513) fixed mounting is in the front end of first threaded rod (509), second stopper (514) fixed mounting is in the rear end of second threaded rod (510).

7. A stabilized wind turbine blade according to claim 6, wherein: first coupling mechanism (3) include flange (301), fastening bolt (302) and fastening nut (303), flange (301) fixed mounting is in the outer end of wind-powered electricity generation blade (2), fastening bolt (302) run through flange (301), rotatory hub (1) and with flange (301), rotatory hub (1) threaded connection, fastening nut (303) threaded connection is in the outer end of fastening bolt (302).