CN213331392U

CN213331392U - Blade root flange for wind turbine generator system

Info

Publication number: CN213331392U
Application number: CN202022380085.4U
Authority: CN
Inventors: 尹奇奇
Original assignee: Weifang Xinhongyu Machinery Co ltd
Current assignee: Weifang Xinhongyu Machinery Co ltd
Priority date: 2020-10-23
Filing date: 2020-10-23
Publication date: 2021-06-01
Anticipated expiration: 2030-10-23

Abstract

The utility model discloses a blade root flange for wind turbine generator system, including first ring flange, baffle, T type pole, second ring flange and flexible lagging, the inboard of first ring flange is provided with the baffle, flexible groove has been seted up to one side of first ring flange, and the inside in flexible groove is provided with flexible lagging, flexible lagging is kept away from one side of first ring flange and is installed the second ring flange, the outer wall of flexible lagging all is provided with the spacing groove, the cross recess has all been seted up to one side lateral wall of first ring flange, the seal groove has been seted up to one side lateral wall of second ring flange, one side of first ring flange is provided with sealed piece. This blade root flange for wind turbine generator system separates through outside pulling T type pole and spacing groove, and then the spring takes place to contract to operating personnel moves about at flexible inslot to outside pulling flexible lagging, and then is convenient for adjust distance between first ring flange and the second ring flange, and the operating personnel of being convenient for carries out fixed mounting.

Description

Blade root flange for wind turbine generator system

Technical Field

The utility model relates to a wind turbine generator system technical field specifically is a blade root flange for wind turbine generator system.

Background

With the development of society and the progress of science and technology, the development of wind turbine generators is more and more rapid, the wind turbine generators generally consist of a tower frame supporting the generator set, a storage battery charging controller, an inverter, an unloader, a grid-connected controller, a storage battery pack and the like, and the traditional blade root flange for the wind turbine generator can basically meet the use requirements of people, but still has certain problems, and the specific problems are as follows:

1. when most blade root flanges for wind turbine generators in the market are connected with the blade roots of the generator sets, the distance between the flanges is too small, and the installation and fixation time is long, so that the working time is long, and the working efficiency is low;

2. most of blade root flanges for wind turbines in the current market are easy to have poor sealing property when being fixedly installed with the wind turbines, so that the condition that the wind turbines cannot normally run is easily caused.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a blade root flange for wind turbine generator system to the flange mounting who proposes in solving above-mentioned background art is inconvenient and appear the poor problem of leakproofness in installing with the generator.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a blade root flange for wind turbine generator system, includes first ring flange, baffle, T type pole, second ring flange and flexible lagging, the inboard of first ring flange is provided with the baffle, flexible groove has been seted up to one side of first ring flange, and the inside in flexible groove is provided with flexible lagging, flexible lagging is kept away from one side of first ring flange and is installed the second ring flange, the outer wall of flexible lagging all is provided with the spacing groove, the cross recess has all been seted up to one side lateral wall of first ring flange, the seal groove has been seted up to one side lateral wall of second ring flange, one side of first ring flange is provided with sealed piece.

Preferably, the inner walls of the first flange plate and the second flange plate are provided with elastic rubber blocks, and arc-shaped mounting blocks are arranged on the inner sides of the elastic rubber blocks at equal intervals.

Preferably, the outer walls of the first flange plate and the second flange plate are provided with anti-slip lines, and the inner sides of the first flange plate and the second flange plate are provided with fixing grooves.

Preferably, a T-shaped rod penetrating through the limiting groove is arranged in the cross groove, and one side of the T-shaped rod penetrates through the side wall of one side of the first flange plate.

Preferably, the outer wall of the T-shaped rod is provided with a spring, and one end of the spring is connected with the inside of the cross groove.

Preferably, a sealing plug matched with the sealing groove is installed on one side of the sealing block, and a sealing gasket is arranged on one side of the sealing groove.

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

1. by installing the first flange plate, the T-shaped rod and the second flange plate, the spring is contracted by pulling the T-shaped rod outwards to be separated from the limiting groove, so that an operator pulls the telescopic sleeve plate outwards to move in the telescopic groove, the distance between the first flange plate and the second flange plate is convenient to adjust, and the operator can conveniently perform fixed installation;

2. meanwhile, the device is provided with an elastic rubber block, a fixed groove and an arc-shaped installation block, the arc-shaped installation block is contacted with the blade root of the wind turbine generator, so that the elastic rubber block is contracted, the arc-shaped installation block is driven to be attached to the blade root of the wind turbine generator under the action of the elasticity of the elastic rubber block, and then the elastic rubber block penetrates through the fixed groove to be connected with the blade root of the wind turbine generator;

3. meanwhile, the device is provided with the sealing block, the sealing gasket and the sealing plug, the sealing block is driven to move in the sealing groove by pulling the sealing block, so that leakage cannot occur when the sealing block moves, and the sealing performance is improved through the sealing gasket.

Drawings

FIG. 1 is a front view of the cross-sectional structure of the present invention;

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

FIG. 3 is a schematic right sectional view of the present invention;

FIG. 4 is an enlarged view of the portion A of FIG. 1 according to the present invention;

fig. 5 is an enlarged schematic view of a portion B in fig. 1 according to the present invention.

In the figure: 1. a first flange plate; 2. an elastic rubber block; 3. fixing grooves; 4. a partition plate; 5. an arc-shaped mounting block; 6. anti-skid lines; 7. a telescopic groove; 8. a cross groove; 9. a T-shaped rod; 10. a second flange plate; 11. a sealing block; 12. a limiting groove; 13. a telescopic sleeve plate; 14. a spring; 15. a gasket; 16. a sealing groove; 17. and (4) sealing the plug.

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 blade root flange for a wind turbine generator comprises a first flange plate 1, a partition plate 4, a T-shaped rod 9, a second flange plate 10 and a telescopic sleeve plate 13, wherein the partition plate 4 is arranged on the inner side of the first flange plate 1;

the inner walls of the first flange plate 1 and the second flange plate 10 are both provided with elastic rubber blocks 2, arc-shaped mounting blocks 5 are arranged on the inner sides of the elastic rubber blocks 2 at equal intervals, the arc-shaped mounting blocks 5 are contacted with blade roots of the wind turbine generator, so that the elastic rubber blocks 2 are shrunk, the arc-shaped mounting blocks 5 are driven by the elastic rubber blocks 2 to be attached to the blade roots of the wind turbine generator under the action of self elasticity, and then the elastic rubber blocks penetrate through the fixing grooves 3 through bolts to be connected with the blade roots of the wind turbine generator;

the outer walls of the first flange plate 1 and the second flange plate 10 are provided with anti-skidding threads 6, the inner sides of the first flange plate 1 and the second flange plate 10 are provided with fixing grooves 3, the first flange plate 1 is convenient to mount by the aid of the anti-skidding threads 6, and the fixing grooves 3 are connected with blade roots of the wind turbine generator through bolts;

one side of the first flange plate 1 is provided with a telescopic groove 7, a telescopic sleeve plate 13 is arranged inside the telescopic groove 7, one side of the telescopic sleeve plate 13, which is far away from the first flange plate 1, is provided with a second flange plate 10, the outer walls of the telescopic sleeve plate 13 are provided with limiting grooves 12, and the side wall of one side of the first flange plate 1 is provided with a cross groove 8;

a T-shaped rod 9 penetrating through a limiting groove 12 is arranged in the cross groove 8, one side of the T-shaped rod 9 penetrates through the side wall of one side of the first flange plate 1, and the T-shaped rod 9 is pulled outwards to be separated from the limiting groove 12, so that the spring 14 is contracted, an operator pulls the telescopic sleeve plate 13 outwards to move in the telescopic groove 7, and the distance between the first flange plate 1 and the second flange plate 10 can be adjusted conveniently;

the outer wall of the T-shaped rod 9 is provided with a spring 14, one end of the spring 14 is connected with the inside of the cross groove 8, the T-shaped rod 9 is pulled outwards to be separated from the limiting groove 12, the spring 14 contracts, then the telescopic sleeve plate 13 moves to a proper position in the telescopic groove 7, then the T-shaped rod 9 is loosened, the T-shaped rod 9 is driven to be inserted into the limiting groove 12 under the action of the elastic force of the spring 14, the position of the telescopic sleeve plate 13 is convenient to fix, the side wall of one side of the second flange plate 10 is provided with a sealing groove 16, and one side of the first flange plate 1 is provided with a sealing block 11;

sealing plug 17 matched with sealing groove 16 is installed to sealing block 11 one side, and one side of sealing groove 16 all is provided with sealed pad 15, through will pulling sealing block 11 and drive sealing plug 17 and remove in sealing groove 16, thereby through sealed pad 15 increase the leakproofness.

The working principle is as follows: when the blade root flange for the wind turbine generator is used, the blade root of the wind turbine generator is inserted into the first flange plate 1 to extrude the arc-shaped mounting block 5, so that the elastic rubber block 2 is contracted, the elastic rubber block 2 drives the arc-shaped mounting block 5 to extrude the blade root of the wind turbine generator under the action of self elasticity to increase the sealing performance of the blade root, and then the blade root penetrates through the fixing groove 3 to be fixed with the blade root of the wind turbine generator through the bolt, the structure is convenient for connecting the blade root of the wind turbine generator, when an operator fixes the blade root, the installation is inconvenient because the position distance between the first flange plate 1 and the second flange plate 10 is too small, the spring 14 is contracted in the cross groove 8 by pulling the T-shaped rod 9 and the limiting groove 12 outwards, then the operator pulls the telescopic sleeve plate 13 to move in the telescopic groove 7 to pull outwards, so that the sealing block 11 drives the sealing plug 17 to move in the, and increase its leakproofness through sealed 15 pad, after the position of second ring flange 10 moved to suitable position, through loosening T type pole 9, drive T type pole 9 and spacing groove 12 looks block is fixed under spring 14 self elastic action, this structure easy operation, convenient to use, it is above the utility model discloses a whole principles.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a blade root flange for wind turbine generator system, includes first ring flange (1), baffle (4), T type pole (9), second ring flange (10) and flexible lagging (13), its characterized in that: the inboard of first ring flange (1) is provided with baffle (4), flexible groove (7) have been seted up to one side of first ring flange (1), and the inside in flexible groove (7) is provided with flexible lagging (13), second ring flange (10) are installed to one side that first ring flange (1) was kept away from in flexible lagging (13), the outer wall of flexible lagging (13) all is provided with spacing groove (12), cross slot (8) have all been seted up to one side lateral wall of first ring flange (1), seal groove (16) have been seted up to one side lateral wall of second ring flange (10), one side of first ring flange (1) is provided with seal block (11).

2. The blade root flange for the wind turbine generator as claimed in claim 1, wherein: the inner walls of the first flange plate (1) and the second flange plate (10) are provided with elastic rubber blocks (2), and arc-shaped mounting blocks (5) are arranged on the inner sides of the elastic rubber blocks (2) at equal intervals.

3. The blade root flange for the wind turbine generator as claimed in claim 1, wherein: the outer walls of the first flange plate (1) and the second flange plate (10) are provided with anti-skidding threads (6), and the inner sides of the first flange plate (1) and the second flange plate (10) are provided with fixing grooves (3).

4. The blade root flange for the wind turbine generator as claimed in claim 1, wherein: the T-shaped rod (9) penetrating through the limiting groove (12) is arranged in the cross groove (8), and one side of the T-shaped rod (9) penetrates through the side wall of one side of the first flange plate (1).

5. The blade root flange for the wind turbine generator as claimed in claim 4, wherein: the outer wall of the T-shaped rod (9) is provided with a spring (14), and one end of the spring (14) is connected with the inside of the cross groove (8).

6. The blade root flange for the wind turbine generator as claimed in claim 1, wherein: sealing plug (17) with sealing groove (16) assorted is installed to sealing block (11) one side, one side of sealing groove (16) all is provided with sealed pad (15).