CN218509642U

CN218509642U - Wind driven generator blade stop device

Info

Publication number: CN218509642U
Application number: CN202223149429.6U
Authority: CN
Inventors: 何昌国; 侯占伟
Original assignee: Tianjin Mingyang Wind Turbine Rotor Blade Technology Co ltd
Current assignee: Tianjin Mingyang Wind Turbine Rotor Blade Technology Co ltd
Priority date: 2022-11-28
Filing date: 2022-11-28
Publication date: 2023-02-21
Anticipated expiration: 2032-11-28

Abstract

The utility model discloses a aerogenerator blade detent, including aerogenerator body and blade, still include detent, detent is by arc dress board, L shape cassette, lift pole, locating hole, locating pin, gluey arris and U-shaped end the seat and constitute, the rotatory head department of aerogenerator body installs the blade that is used for wind power generation, there is the arc dress board bottom the aerogenerator body casing at blade rear through bolt locking, and one side welding of arc dress board has the L shape cassette that is used for the bracket to lift the pole, set up the locating hole that is used for pegging graft the locating pin between the perpendicular seat board of L shape cassette and the lift pole, be provided with detent between aerogenerator body and blade, with the help of detent's setting for the blade of aerogenerator body possesses the convenient locking structure that carries out when overhauing, the very big locking maintenance that has made things convenient for between aerogenerator body and the blade.

Description

Wind driven generator blade stop device

Technical Field

The utility model relates to a aerogenerator blade locking technical field, in particular to aerogenerator blade detent.

Background

The wind power generator is an electric power device which converts wind energy into mechanical power, and the mechanical power drives a rotor to rotate so as to finally output alternating current. The wind-driven generator generally comprises wind wheels, a generator (including a device), a direction regulator (empennage), a tower, a speed-limiting safety mechanism, an energy storage device and other components. The wind driven generator has simple working principle, the wind wheel rotates under the action of wind force, the kinetic energy of the wind is converted into the mechanical energy of the wind wheel shaft, and the generator rotates under the driving of the wind wheel shaft to generate electricity. Wind energy is also solar energy in a broad sense, so that a wind power generator can be said to be a heat energy utilization generator which takes the sun as a heat source and takes the atmosphere as a working medium.

Chinese utility model patent wind generating set and blade locking device of application No. CN202020795253.3, wind generating set is located to blade locking device, and includes: a base; the driving mechanism is arranged on the base; the locking mechanism is connected with the output end of the driving mechanism; the locking mechanism is driven by the driving mechanism to reciprocate between a locking position for blocking the rotation of the blade and an unlocking position for allowing the rotation of the blade. In the blade locking device, the blade locking device can be assembled on the fixing ring of the variable pitch bearing through the base, and the locking mechanism can be driven by the driving mechanism to move to a locking position to block the rotation of the blade, so that the braking of the blade is realized. When extreme conditions such as typhoon occur, the blade locking device can be adopted to brake the blades in the wind generating set, rather than the traditional wind generating set in which a variable pitch device is adopted to brake, namely, the braking is not required to be carried out through the variable pitch device under the extreme conditions, so that the variable pitch device is protected, and the potential safety hazard caused by the failure of the variable pitch device is prevented.

At present, when a wind driven generator needs to be overhauled in operation, blades of some small wind driven generators need to be stopped when being overhauled, but the blades of the wind driven generators and a wind driven generator body are usually bound by means of high-strength fiber belts, so that the stopping is inconvenient, and a novel wind driven generator blade stopping device is provided.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a main aim at provides aerogenerator blade detent can effectively solve the problem among the background art.

In order to achieve the above purpose, the utility model adopts the technical proposal that:

aerogenerator blade detent, including aerogenerator body and blade, still include detent, detent is by arc dress board, L shape cassette, lift pole, locating hole, locating pin, gluey arris and U-shaped end the seat and constitute, the rotatory head department of aerogenerator body installs the blade that is used for wind power generation, the aerogenerator body casing bottom at blade rear has the arc dress board through bolt locking, and the welding of one side of arc dress board has the L shape cassette that is used for the bracket to lift the pole, set up the locating hole that is used for pegging graft the locating pin between the vertical seat board of L shape cassette and the lift pole, and the pin lever surface bonding of locating pin has the gluey arris that is used for increasing the gomphosis frictional force in locating hole department, it has the U-shaped end seat that is used for blocking the blade root lamellar body and carry out the locking to lift the pole towards the one end body of rod department welding of blade.

Furthermore, four groups of bolts are screwed between the wind driven generator body and the arc-mounting plate; the arc-shaped plate is locked and installed at the bottom arc-shaped surface end of the wind driven generator body by means of more bolts.

Furthermore, a clamping cavity for embedding the lifting rod is formed between the L-shaped clamping seat and the shell of the wind driven generator body; a clamping cavity is formed in the L-shaped clamping seat and the shell of the wind driven generator body, and the lifting rod can be clamped into the clamping cavity.

Further, the diameter of a pin rod of the positioning pin is the same as that of a hole body of the positioning hole; the pin rod of the positioning pin can be embedded into the positioning hole in a matching mode.

Furthermore, a U-shaped seat groove used for being clamped on the cylindrical sheet body at the root part of the blade is formed in the seat body of the U-shaped stop seat; the U-shaped stop seat can be clamped on the cylindrical sheet body at the root part of the blade by virtue of the U-shaped seat groove.

Compared with the prior art, the utility model discloses following beneficial effect has:

the utility model discloses a be provided with detent between aerogenerator body and blade, with the help of detent's setting for the blade of aerogenerator body possesses the convenient locking structure that carries out the locking when overhauing, very big has made things convenient for the locking between aerogenerator body and the blade to overhaul.

Drawings

Fig. 1 is a schematic view of the overall structure of the blade locking device of the wind driven generator of the present invention.

Fig. 2 is an exploded view of the stopping mechanism of the stopping device of the wind driven generator blade of the present invention.

In the figure: 1. a wind power generator body; 2. a blade; 3. a stop mechanism; 301. arc-mounting a plate; 302. an L-shaped card holder; 303. lifting the rod; 304. positioning holes; 305. positioning pins; 306. gluing edges; 307. a U-shaped stop seat.

Detailed Description

In order to make the utility model realize, the technical means, the creation characteristics, the achievement purpose and the efficacy are easy to understand and understand, the utility model is further explained by combining the specific implementation mode.

As shown in fig. 1 to 2, the wind turbine blade locking device includes a wind turbine body 1 and a blade 2, and further includes a locking mechanism 3, where the locking mechanism 3 includes an arc-shaped plate 301, an L-shaped locking seat 302, a lifting rod 303, a positioning hole 304, a positioning pin 305, a rubber rib 306, and a U-shaped locking seat 307, the blade 2 for wind power generation is installed at a rotating head portion of the wind turbine body 1, the arc-shaped plate 301 is locked at a bottom end of a housing of the wind turbine body 1 behind the blade 2 through a bolt, the L-shaped locking seat 302 for supporting the lifting rod 303 is welded at one side of the arc-shaped plate 301, the positioning hole 304 for inserting the positioning pin 305 is opened between a vertical seat plate of the L-shaped locking seat 302 and the lifting rod 303, the rubber rib 306 for increasing an embedding friction force at the positioning hole 304 is bonded on a surface of the pin of the positioning pin 305, and the U-shaped locking seat 307 for locking a root piece of the blade 2 is welded at a rod body at one end of the lifting rod 303 clamped to the blade 2.

Four groups of bolts are screwed between the wind driven generator body 1 and the arc-mounting plate 301; the arc-mounting plate 301 is locked and mounted at the bottom arc-face end of the wind driven generator body 1 by means of more bolts; a clamping cavity for embedding the lifting rod 303 is formed between the L-shaped clamping seat 302 and the shell of the wind driven generator body 1; clamping cavities are formed in the L-shaped clamping seat 302 and the shell of the wind driven generator body 1, and the lifting rod 303 can be clamped into the clamping cavities.

The diameter of the pin rod of the positioning pin 305 is the same as the diameter of the hole body of the positioning hole 304; the pin shaft of the positioning pin 305 can be fitted into the positioning hole 304; a U-shaped seat groove used for being clamped on the cylindrical sheet body at the root part of the blade 2 is formed in the seat body of the U-shaped stop seat 307; the U-shaped stop 307 can be locked to the root cylindrical blade of the blade 2 by means of a U-shaped seat groove.

It should be noted that, the utility model discloses a aerogenerator blade detent, be provided with stop mechanism 3 between aerogenerator body 1 and blade 2, aerogenerator body 1 bottom is with the help of more bolt locking arc dress board 301, be formed with the card chamber that is used for lifting rod 303 to imbed between L shape cassette 302 and the aerogenerator body 1 this moment, it can push to blade 2 department after the card intracavity to lift rod 303 card, make the U-shaped seat 307 card of lifting rod 303 head in the root cylindrical lamellar body of blade 2, then use the locating pin 305 that has gluey arris 306 to insert in the locating hole 304 between lifting rod 303 and L shape cassette 302, can overhaul by the locking between blade 2 and the aerogenerator body 1 this moment, can pull out U-shaped seat 307 and take lifting rod 303 to upwards pull out from L shape cassette 302 department after the blade 2 department after pulling out locating pin 305, blade 2 can resume the rotation this moment, can carry out under the less and the extremely low circumstances of blade 2 rotational speed of wind-force when blade 2 locking.

It should be noted that, the present invention relates to a wind turbine blade stopping device, and the components are all universal standard components or components known by those skilled in the art, and the structure and principle thereof can be known by the technical manual or by the conventional experimental method.

The foregoing shows and describes the basic principles and principal features of the invention, together with the advantages thereof. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments, and the above embodiments and descriptions are only illustrative of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the present invention, and all such changes and modifications fall within the scope of the present invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. Aerogenerator blade detent, including aerogenerator body (1) and blade (2), its characterized in that: still include stop gear (3), stop gear (3) are by arc dress board (301), L shape cassette (302), lift pole (303), locating hole (304), locating pin (305), glue arris (306) and U-shaped end seat (307) and constitute, the rotatory head department of aerogenerator body (1) installs blade (2) that are used for wind power generation, there is arc dress board (301) through bolt locking in aerogenerator body (1) casing bottom at blade (2) rear, and the welding of one side of arc dress board (301) has L shape cassette (302) that are used for the butt joint to lift pole (303), set up locating hole (304) that are used for grafting locating pin (305) between the vertical seat board of L shape cassette (302) and lift pole (303), and the pin pole surface bonding of locating pin (305) has and is used for increasing the gluey arris (306) of gomphosis frictional force in locating hole (304) department, it has U-shaped end seat (307) that are used for blocking blade (2) root and carry out to lift pole body to weld towards the one end body department of blade (2).

2. Wind turbine blade holding device according to claim 1, wherein: four groups of bolts are screwed between the wind driven generator body (1) and the arc-mounting plate (301).

3. Wind turbine blade retaining device according to claim 1, wherein: a clamping cavity for embedding the lifting rod (303) is formed between the L-shaped clamping seat (302) and the shell of the wind driven generator body (1).

4. Wind turbine blade retaining device according to claim 1, wherein: the diameter of the pin rod of the positioning pin (305) is the same as the diameter of the hole body of the positioning hole (304).

5. Wind turbine blade retaining device according to claim 1, wherein: and a U-shaped seat groove used for being clamped on the cylindrical sheet body at the root part of the blade (2) is formed in the seat body of the U-shaped stop seat (307).