CN213648760U

CN213648760U - Wind power blade with web and shell integrally formed

Info

Publication number: CN213648760U
Application number: CN202021341096.5U
Authority: CN
Inventors: 尚自杰; 王学花; 张纯琛; 李良; 杨春燕; 尹希荣
Original assignee: Tianjin CRRC Wind Power Blade Engineering Co Ltd
Current assignee: Tianjin CRRC Wind Power Blade Engineering Co Ltd
Priority date: 2020-07-09
Filing date: 2020-07-09
Publication date: 2021-07-09
Anticipated expiration: 2030-07-09

Abstract

The utility model provides a web and casing integrated into one piece's wind-powered electricity generation blade, including SS panel and PS panel, every panel is formed by girder, auxiliary beam and corresponding arc welding, SS panel and PS panel veneer are connected, an auxiliary web and SS face auxiliary beam integrated into one piece, and with the auxiliary beam veneer of PS panel, there are glass fiber cloth and the glue of laminating main web and SS panel casing along the span direction in the region of auxiliary web and the crossing boundary of PS panel casing, the total width of glass fiber cloth is no more than 1 m; a main web and a PS face main beam are integrally formed and are glued with a main beam of the SS panel, glass fiber cloth and glue which are attached to the main web and the SS panel shell along the span direction are arranged in the area of the intersection boundary of the main web and the SS panel shell, and the total width of the glass fiber cloth is not more than 1 m; the central lines of the main web plate and the auxiliary web plate are perpendicular to the central line of the blade. The working hours can be reduced, the precision is ensured, and the defect of structural adhesive in the prior art is avoided.

Description

Wind power blade with web and shell integrally formed

Technical Field

The utility model relates to a wind power generation technical field especially relates to web and casing integrated into one piece's wind-powered electricity generation blade field of making.

Background

The control of web bonding clearance is the important control key point in the wind-powered electricity generation blade manufacturing process at present, because manufacturing process web bonding clearance receives the web location, web size, mould state etc. multiple factor influence, the stability in web bonding clearance has been the great problem of puzzlement wind-powered electricity generation blade manufacturing process always, and the stability in web bonding clearance has great influence to blade bonding strength and mechanical distribution in addition, and the unstability in clearance brings very big quality risk for wind-powered electricity generation blade operation electricity generation.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that overcome exist among the prior art not enough, provide a web and casing integrated into one piece's method, reduce the bonding process of web and casing, reduce the control in technology both sides web clearance for the control in unilateral web clearance, greatly reduced the risk in web bonding clearance, ensure the stability in bonding clearance.

The utility model discloses a realize through following step:

comprises an SS panel and a PS panel, each panel is formed by welding a main beam, an auxiliary beam and a corresponding arc-shaped plate, the SS panel and the PS panel are connected by gluing,

an auxiliary web and an SS face auxiliary beam are integrally formed and are glued with an auxiliary beam of a PS panel, glass fiber cloth and glue which are attached to a main web and the SS face panel shell along the span direction are arranged in the area of the intersection boundary of the auxiliary web and the PS face panel shell, and the total width of the glass fiber cloth is not more than 1 m;

a main web and a PS face main beam are integrally formed and are glued with a main beam of the SS panel, glass fiber cloth and glue which are attached to the main web and the SS panel shell along the span direction are arranged in the area of the intersection boundary of the main web and the SS panel shell, and the total width of the glass fiber cloth is not more than 1 m;

the central lines of the main web plate and the auxiliary web plate are perpendicular to the central line of the blade.

The utility model has the advantages that:

1. the two-sided pasting technology of the web is changed into a mode of integrally forming and then pasting, so that the working hours are reduced, and the precision is ensured.

2. The novel glue filling mode is adopted to fix the web and the shell, so that the defect of structural glue in the prior art is avoided.

Drawings

Fig. 1 shows a schematic diagram before mold closing according to an embodiment of the present invention.

Fig. 2 shows a mold closing process rendering according to an embodiment of the present invention.

Fig. 3 shows a schematic diagram after mold closing according to an embodiment of the present invention.

Fig. 4 shows a schematic longitudinal structure of the blade.

In the figure: 1. an SS surface auxiliary beam; 2. a SS face main beam; 3. an auxiliary web plate; 4. a PS surface main beam; 5. a PS surface auxiliary beam; 6. a primary web; 7. a blade root; 8. a blade tip portion; 9. an SS panel; 10. a PS panel; 11. glass fiber cloth.

Detailed Description

In order to make those skilled in the art better understand the technical solution of the present invention, the present invention will be further described in detail with reference to the accompanying drawings and preferred embodiments.

As shown in the figure, the utility model discloses web and casing integrated into one piece blade structure do:

an auxiliary web plate and an SS face auxiliary beam are integrally formed and are glued with the auxiliary beam of the PS panel, glass fiber cloth and glue which are attached to the main web plate and the SS face panel shell along the extending direction are arranged in the area of the intersection boundary of the auxiliary web plate and the PS face panel shell, the total width of the glass fiber cloth is not more than 1m,

The process of blade formation is as follows:

1. and (3) manufacturing the shell, namely integrally forming the auxiliary beam and the auxiliary web plate on the SS surface, and integrally forming the main beam and the main web plate on the PS surface to connect the corresponding beam plate and the shell.

2. After the whole cloth layer structure of the shell is laid, the spanwise positioning line and the chordwise positioning line of the main web are marked in the SS face main beam area, and the spanwise positioning chordwise positioning line and the chordwise positioning line of the auxiliary web are marked in the PS face auxiliary beam area, so that the main web and the auxiliary web are positioned transversely and longitudinally, and the mounting positions of all the main webs and the auxiliary webs are determined. Wherein the span direction refers to the direction of the line connecting the blade root and the blade tip, i.e. the direction of the arrow in fig. 4. The chord direction refers to the cross section curve of the blade and is vertical to the span direction;

3. placing the prefabricated and non-adhered main web plate and auxiliary web plate according to the positioning in the step 2, and using a tool to perform auxiliary fixing to ensure the verticality;

4. and respectively paving glass fiber cloth on two sides of each plate along the spanwise direction in the areas of the intersections of the main web plate and the auxiliary web plate and the shell, namely O points and P, wherein the glass fiber cloth penetrates through the main web plate and the auxiliary web plate and is arranged in the whole length direction from the starting point to the end point of the plate in the spanwise direction. The glass fiber cloth is attached to the surface of the plate, and the glass fiber cloth extends along the web and the shell in a certain length, namely extends in the chord direction, so that the glass fiber cloth has enough attaching area, and the connecting strength of the web and the shell is ensured.

5. Paving a glue pouring channel, wherein the positions of the channels are selected as follows: the outer sides of the glass fiber cloth are sealed at the two sides of the main web plate and the auxiliary web plate, and the longitudinal length of the seal also penetrates through the blade from the root part to the tip part of the blade in the length direction. The mode that sealing method adopted bag mould and sealing strip to combine, lay the suitable bag mould laminating glass fiber cloth of size at web and casing surface, in the regional 500mm department of crossing border of main web and supplementary web and casing, paste joint strip to all set up joint strip at blade root and blade tip, make all borders all utilize joint strip to seal, realize the sealed to the passageway. The channel is used during glue pouring, is not part of the blade, and is removed after glue pouring.

6. The glue filling, put into the spiral pipe in the glue filling passageway and bleed, guarantee that be airtight vacuum state in the passageway, prevent to leave gaseous bubble because of inside, place the injecting glue pipe that has the pressurize table at the passageway entry, the injecting glue equipment of beating is connected to the injecting glue pipe other end, stabilizes pressurize table pressure, makes and glues the stable input in the glue filling passageway. The glue fills the grid gaps of the glass fiber cloth and has a certain thickness to cover the glass fiber cloth.

7. And after the glue is solidified, removing the channel to complete the web plate molding.

Wherein, the glue filling method in the step 6 can adopt a hand lay-up forming process.

The utility model has the advantages that:

1. the web and the shell are integrally formed, the web bonding procedure is reduced once, when the shell pouring procedure is not increased, the working hours can be saved by 7.5 hours according to the prior art, the gap measurement is performed for 3 hours once, the glue scraping is performed for 0.5 hour once, the bonding and curing are performed for 4 hours once, and the molding period can be controlled by 16-18 hours after the reduction.

2. The web and the shell are integrally formed, so that the web bonding procedure is reduced once, the influence of a bonding gap on the product performance is reduced once, the stability of the web gap is improved, and the shearing strength of the web and the shell is improved.

3. The novel glue filling mode is adopted to fix the web and the shell, so that the defect of structural glue in the prior art is avoided.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a web and casing integrated into one piece's wind-powered electricity generation blade which characterized in that: