CN220415573U - Wind-powered electricity generation blade shell T type muscle additional strengthening - Google Patents
Wind-powered electricity generation blade shell T type muscle additional strengthening Download PDFInfo
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- CN220415573U CN220415573U CN202321551850.1U CN202321551850U CN220415573U CN 220415573 U CN220415573 U CN 220415573U CN 202321551850 U CN202321551850 U CN 202321551850U CN 220415573 U CN220415573 U CN 220415573U
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- reinforcing
- blade shell
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- wind turbine
- reinforcement
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- 230000005611 electricity Effects 0.000 title claims description 13
- 210000003205 muscle Anatomy 0.000 title claims description 8
- 238000005728 strengthening Methods 0.000 title claims description 4
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 97
- 230000002787 reinforcement Effects 0.000 claims description 55
- 238000005452 bending Methods 0.000 claims description 16
- 239000011324 bead Substances 0.000 claims 2
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000003351 stiffener Substances 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
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- Wind Motors (AREA)
Abstract
The utility model relates to the technical field of wind power blades, in particular to a T-shaped rib reinforcing structure of a wind power blade shell, which comprises the following components: the wind turbine blade comprises a wind turbine blade shell, a wind turbine blade, a T-shaped rib, a middle connecting part, a reinforcing part and a connecting part, wherein the wind turbine blade shell is arranged in the wind turbine blade shell, extends along the length direction of the wind turbine blade shell, comprises a bottom connecting part connected with the wind turbine blade shell, and is connected with the bottom connecting part and extends towards the inner direction of the wind turbine blade shell. According to the utility model, the T-shaped rib reinforcing structure is arranged in the wind power blade shell, extends along the length of the wind power blade shell and comprises the bottom connecting part, the middle connecting part and the reinforcing part arranged on the T-shaped rib, so that the T-shaped rib structure is further reinforced, and the structural strength of the T-shaped rib is improved.
Description
Technical Field
The utility model relates to the technical field of wind power blades, in particular to a T-shaped rib reinforcing structure of a wind power blade shell.
Background
The wind power blade is an important part for capturing wind energy of a wind turbine, and along with the development trend of large-scale and light-weight wind power blades, how to ensure the structural strength of the wind power blade becomes a technical problem to be solved urgently at present.
In the prior art, as disclosed in chinese patent application publication No. CN115822867a, in 2023, 2 and 1, a modularized wind power blade structure and a manufacturing method thereof are disclosed, wherein a shell is manufactured by an automatic tape laying process, and a T-shaped rib is arranged in the shell in a pultrusion manner, so that the manufacturing cost of the shell is reduced, and the manufacturing efficiency is also greatly increased;
however, the inventor has found that in implementing the above scheme, the existing T-bar structure needs further structural reinforcement to further meet the requirement of structural strength.
Disclosure of Invention
In view of at least one of the above technical problems, the utility model provides a T-shaped rib reinforcing structure of a wind turbine blade shell, which adopts structural improvement to improve the structural strength of the T-shaped rib.
According to a first aspect of the present utility model, there is provided a wind turbine blade shell T-bar reinforcing structure comprising:
the wind turbine blade comprises a wind turbine blade shell, a wind turbine blade, a T-shaped rib, a middle connecting part, a reinforcing part and a connecting part, wherein the wind turbine blade shell is arranged in the wind turbine blade shell, extends along the length direction of the wind turbine blade shell, comprises a bottom connecting part connected with the wind turbine blade shell, and is connected with the bottom connecting part and extends towards the inner direction of the wind turbine blade shell.
In some embodiments of the utility model, the reinforcement is provided at a top position of the intermediate connection portion, and the direction of extension of the reinforcement is the same as the direction of extension of the intermediate connection portion.
In some embodiments of the utility model, the reinforcement is plate-shaped.
In some embodiments of the present utility model, a middle portion of the reinforcing portion is connected to the middle connecting portion, and the reinforcing portion has first bending portions bent toward the bottom connecting portion along both sides in a width direction thereof.
In some embodiments of the present utility model, the bottom connecting portion further has a reinforcing flange protruding from a surface thereof, and the reinforcing flange extends along a length direction of the T-bar.
In some embodiments of the utility model, the cross-section of the reinforcement is a closed curve or a regular polygon.
In some embodiments of the utility model, the reinforcement is integrally pultruded with the T-bar.
In some embodiments of the utility model, the reinforcement is hollow.
In some embodiments of the utility model, the reinforcement is bonded to the intermediate connection and has a bonding groove matching the intermediate connection in a direction toward the intermediate connection.
In some embodiments of the utility model, the intermediate connection is the reinforcement, and the cross section of the intermediate connection is circular or regular polygon.
In some embodiments of the utility model, the reinforcement is hollow.
In some embodiments of the utility model, the top of the reinforcement is further provided with a T-shaped stiffener.
The beneficial effects of the utility model are as follows: according to the utility model, the T-shaped rib reinforcing structure is arranged in the wind power blade shell, extends along the length of the wind power blade shell and comprises the bottom connecting part, the middle connecting part and the reinforcing part arranged on the T-shaped rib, so that the T-shaped rib structure is further reinforced, and the structural strength of the T-shaped rib is improved.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required to be used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present utility model, and other drawings may be obtained according to the drawings without inventive effort to those skilled in the art.
FIG. 1 is a schematic view of a T-bar reinforcement structure for a blade shell of an embodiment of the present utility model;
FIG. 2 is an enlarged schematic view of a portion of FIG. 1 according to an embodiment of the present utility model;
FIG. 3 is a schematic view of a T-shaped rib reinforcing structure with a bending part of the reinforcing part in an embodiment of the utility model;
FIG. 4 is a schematic view of a T-bar reinforcement structure with reinforced bottom connection portion according to an embodiment of the present utility model;
FIG. 5 is a schematic view of a T-bar reinforcement structure with reinforced bottom connection and bent reinforcement in an embodiment of the utility model;
FIG. 6 is a schematic view of a T-shaped rib reinforcing structure with a V-shaped reinforcing part in an embodiment of the utility model;
FIG. 7 is a schematic view of a reinforcing structure of a T-shaped rib with a V-shaped reinforcing part and a bending part in an embodiment of the utility model;
FIG. 8 is a schematic view of a T-shaped rib reinforcing structure with a circular reinforcing portion according to an embodiment of the present utility model
FIG. 9 is a schematic view of a T-shaped rib reinforcing structure with a square reinforcing part in an embodiment of the utility model;
FIG. 10 is a schematic view of a T-shaped rib reinforcing structure with a circular hollow reinforcing part in an embodiment of the utility model;
FIG. 11 is a schematic view of a T-shaped rib reinforcing structure with a square hollow reinforcing part in an embodiment of the utility model;
FIG. 12 is a schematic view of a T-bar reinforcement structure with a circular reinforcement bonded to an intermediate connection portion according to an embodiment of the present utility model;
FIG. 13 is a schematic view of a T-bar reinforcement structure with square reinforcement bonded to intermediate connection portions according to an embodiment of the present utility model;
FIG. 14 is a schematic view of a T-shaped rib reinforcing structure with a circular cross section of an intermediate connecting portion according to an embodiment of the present utility model;
FIG. 15 is a schematic view of a T-shaped rib reinforcing structure with a square cross section of an intermediate connecting portion according to an embodiment of the present utility model;
FIG. 16 is a schematic view of a T-bar reinforcement structure with triangular intermediate connectors according to an embodiment of the present utility model;
FIG. 17 is a schematic view of a T-shaped rib reinforcing structure with a hollow circular cross section of an intermediate connecting portion in an embodiment of the present utility model;
FIG. 18 is a schematic view of a T-shaped rib reinforcing structure with a hollow square cross section of an intermediate connecting portion according to an embodiment of the present utility model;
FIG. 19 is a schematic view of a T-shaped rib reinforcing structure with a hollow triangle cross section of an intermediate connecting portion in an embodiment of the utility model;
FIG. 20 is a schematic view of a T-shaped rib reinforcing structure with a circular hollow bottom connecting part according to an embodiment of the present utility model;
FIG. 21 is a schematic view of a T-shaped rib reinforcement structure with square hollow bottom connecting portions according to an embodiment of the present utility model;
FIG. 22 is a schematic view of a T-shaped rib reinforcement structure with triangular hollow bottom connecting portions according to an embodiment of the present utility model;
fig. 23 is a schematic structural view of a reinforcing part with a T-shaped reinforcing rib at the top in the embodiment of the utility model.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.
It will be understood that when an element is referred to as being "fixed to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only and are not meant to be the only embodiment.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used in the description of the utility model herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.
A wind power blade shell T-bar reinforcing structure as shown in fig. 1 to 23, the reinforcing structure comprising:
the wind turbine blade structure comprises a wind turbine blade shell, a reinforcing structure, a middle connecting part, a reinforcing part 3 and a T-shaped rib, wherein the wind turbine blade shell is arranged in the wind turbine blade shell and extends along the length direction of the wind turbine blade shell, the reinforcing structure comprises a bottom connecting part 1 connected with the wind turbine blade shell, and the middle connecting part 2 is connected with the bottom connecting part 1 and extends towards the inner direction of the wind turbine blade shell. Specifically please refer to fig. 1 for showing, set up a plurality of T type muscle additional strengthening on wind-powered electricity generation blade, wherein T type muscle extends at the length direction of wind-powered electricity generation blade casing, T type muscle includes the bottom connecting portion 1 of being connected with wind-powered electricity generation blade casing, bottom connecting portion 1 bonds with wind-powered electricity generation blade, through bottom connecting portion 1, carry out bonding connection with the regional of wind-powered electricity generation blade, intermediate junction portion 2 is connected with bottom connecting portion 1, and extend towards wind-powered electricity generation blade casing inside direction, the opposite side of being connected with intermediate junction portion is reinforcing portion 3, reinforcing portion 3 plays the effect of reinforcing once more to T type muscle. The T-shaped ribs are arranged, so that the parts of the wind power blade shell are connected, bending moment can be borne, shearing force can be resisted, and the risk of breakage of the wind power blade is effectively prevented.
According to the utility model, the T-shaped rib reinforcing structure is arranged in the wind power blade shell, extends along the length of the wind power blade shell and comprises the bottom connecting part 1, the middle connecting part 2 and the reinforcing part 3 arranged on the T-shaped rib, so that the T-shaped rib structure is further reinforced, and the structural strength of the T-shaped rib is improved.
In some embodiments of the present utility model, the reinforcement 3 is provided at the top position of the intermediate connection 2, and the extending direction of the reinforcement 3 is the same as the extending direction of the intermediate connection 2. Referring to fig. 2 specifically, the bottom connecting portion 1 is bonded to the wind turbine blade shell, the middle connecting portion 2 extends toward the inside of the wind turbine blade at the bottom connecting portion 1, and the reinforcing portion 3 is disposed at the top of the middle connecting portion 2. The extending direction of the reinforcement portion 3 is the same as the extending direction of the intermediate connection portion 2, and is parallel to the bottom connection portion 1. It should be noted that in some embodiments of the present utility model, the T-bar reinforcement structure may be configured as shown in the figures, or may be modified in other shapes.
In some embodiments of the utility model, the reinforcement 3 is plate-shaped. Referring to fig. 2 to 6, the T-shaped rib reinforcing structure shown in fig. 2 to 5 is an i-shaped structure, and the upper reinforcing plate is a straight plate structure, so that the i-shaped reinforcing structure can improve the bending resistance of the connecting portion. It should be noted here that in some embodiments of the present utility model, the reinforcing plate may have various shapes, either the straight plate shape described above or the V-shaped plate shape as shown in fig. 6. The function of the connecting part is to improve the bending resistance of the connecting part.
In some embodiments of the present utility model, the middle portion of the reinforcement portion 3 is connected to the middle connection portion 2, and the reinforcement portion 3 has first bending portions 31 bent toward the bottom connection portion 1 along both sides in the width direction thereof. Referring to fig. 3, 5 and 7, the reinforcing portion 3 is disposed at the top end of the intermediate connecting portion 2, and the intermediate connecting portion 2 is located at the intermediate position of the reinforcing portion 3, and has a bending portion facing the bottom connecting portion 1 in the extending direction of two sides of the reinforcing portion 3, wherein the bending portion is a first bending portion. It should be noted here that the first fold is to act as a re-reinforcement for the top reinforcement 3.
In some embodiments of the present utility model, the bottom connecting portion 1 further has a reinforcing flange 11 protruding from a surface thereof, and the reinforcing flange 11 is extended along a length direction of the T-bar. Referring to fig. 4 and 5, the bottom connecting portion 1 has a protrusion, which is a reinforcing flange 11, and the reinforcing flange 11 functions to reinforce the bottom connecting portion 1. It should be noted here that the extending direction of the reinforcing flange 11 is the same as the length extending direction of the T-bar.
In some embodiments of the utility model, the cross section of the reinforcement 3 is a closed curve or a regular polygon. As shown in fig. 8 and 9, the reinforcement portion 3 functions to reinforce the T-bar, and the shape thereof may be a closed curve or a regular polygon in cross section, in addition to the plate shape. The shape of the closed curve or regular polygon may be circular or square, or may be other shapes such as regular triangle, hexagon, etc.
In some embodiments of the utility model, the reinforcement 3 is integrally pultruded with the T-bar. With continued reference to fig. 8 and 9, to optimize the reinforcing effect of the T-shaped rib and the reinforcing portion 3, an integral pultrusion technique may be used. It should be noted that, in the integral pultrusion of the reinforcing portion 3 and the T-shaped rib, the reinforcing portion 3 may have various shapes, which may be circular or square in fig. 8 and 9, or may be triangular or polygonal in other shapes.
In some embodiments of the utility model, the reinforcement 3 is provided hollow. Referring to fig. 10 and 11, the reinforcing portion 3 may be hollow, and the solid reinforcing portion 3 in fig. 8 and 9 may be hollowed out, and the T-shaped Liang Zhongkong reinforcing portion 3 has the same bending strength as the integrally pultruded reinforcing portion 3. The reinforcing part 3 is hollow, so that materials can be saved, the dead weight of the wind power blade is reduced, and the compression resistance is improved.
In some embodiments of the utility model, the reinforcement 3 is bonded to the intermediate connection 2, and the reinforcement 3 has a bonding groove 32 matching the intermediate connection 2 in a direction toward the intermediate connection 2. As shown in fig. 12 and 13, the reinforcement portion 3 has an adhesive groove 32 having the same shape as the tail portion of the T-rib extending in the wind turbine blade direction. The reinforcing portion 3 is bonded to the intermediate connecting portion 2 by the bonding groove 32, and it should be noted that the reinforcing portion 3 may have various shapes, and may have a circular shape or a square shape in fig. 12 and 13, or may have other shapes such as a triangle or a polygon. The reinforcing part 3 mainly serves to reinforce the reinforcing ability of the T-bar.
In some embodiments of the utility model, the intermediate connection 2 is a reinforcement 3, and the cross section of the intermediate connection 2 is circular or regular polygonal. Referring to fig. 14 to 16, the reinforcement portion 3 is eliminated, and the intermediate connection portion 2 is changed in shape to be provided as the reinforcement portion 3. It should be noted here that, in the present utility model, the cross section of the intermediate connection portion 2 may be circular or regular polygonal, and in particular, reference may be made to fig. 14 to 16, or other shapes, such as elliptical or trapezoidal.
In some embodiments of the utility model, the reinforcement 3 is provided hollow. As shown in fig. 17 to 19, in the embodiment in which the intermediate connection portion 2 is the reinforcing portion 3 and the cross section of the intermediate connection portion 2 is circular or regular polygonal, the reinforcing portion 3 is provided to be hollow and contoured with the reinforcing portion 3. With continued reference to fig. 20 to 22, the hollow portion may extend downward to the bottom connecting portion 1, so that the bottom connecting portion 1 and the middle connecting portion 2 form a plane. It should be noted here that, in the present utility model, the shape of the reinforcement portion 3 may be a circle, square or triangle as shown in the figure, or may be other circular or polygonal shapes.
In some embodiments of the utility model, the top of the reinforcement 3 is also provided with T-shaped ribs 33. According to the hollow arrangement of the reinforcement portion 3, a T-shaped reinforcement rib 33 may be disposed on the top of the reinforcement portion 3, and as shown in fig. 23, two sides of the T-shaped reinforcement rib 33 may be further disposed as a first bending portion 31 bending toward the wind turbine blade shell. The T-shaped reinforcing ribs 33 are arranged at the top of the reinforcing part 3, and the first bending parts 31 are arranged at the two sides, so that the reinforcing effect of the T-shaped reinforcing ribs is stronger. It should be noted here that in the present utility model, the shape of the intermediate connection portion 2 may be triangular as shown in the figure, or may be other circular or polygonal shapes.
It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (12)
1. The utility model provides a wind-powered electricity generation blade shell T type muscle additional strengthening, its characterized in that sets up in wind-powered electricity generation blade shell to extend along the length direction of wind-powered electricity generation blade shell, including the bottom connecting portion of being connected with wind-powered electricity generation blade shell, with bottom connecting portion are connected and towards wind-powered electricity generation blade shell inside direction extension's intermediate junction portion, still include the enhancement portion of setting on T type muscle.
2. The wind power blade shell T-bead reinforcing structure according to claim 1, wherein the reinforcing portion is provided at a top position of the intermediate connecting portion, and an extending direction of the reinforcing portion is the same as an extending direction of the intermediate connecting portion.
3. The wind turbine blade shell T-bar reinforcing structure according to claim 2, wherein the reinforcing portion is plate-shaped.
4. A wind power blade shell T-bead reinforcing structure according to claim 3, wherein the middle part of the reinforcing part is connected to the middle connecting part, and the reinforcing part has first bending parts bending toward the bottom connecting part along both sides in the width direction thereof.
5. A wind turbine blade shell T-bar reinforcing structure according to claim 2 or 3, wherein the bottom connecting part is further provided with a reinforcing flange protruding from the surface thereof, and the reinforcing flange extends along the length direction of the T-bar.
6. The wind power blade shell T-bar reinforcing structure according to claim 2, wherein the cross section of the reinforcing part is a closed curve or a regular polygon.
7. The wind turbine blade shell T-bar reinforcement structure of claim 6, wherein the reinforcement is integrally pultruded with the T-bar.
8. The wind turbine blade shell T-bar reinforcement structure of claim 7, wherein the reinforcement is hollow.
9. The wind turbine blade shell T-bar reinforcing structure according to claim 6, wherein the reinforcing part is bonded to the intermediate connecting part, and the reinforcing part has a bonding groove matching the intermediate connecting part in a direction toward the intermediate connecting part.
10. The wind power blade shell T-bar reinforcing structure according to claim 1, wherein the intermediate connection portion is the reinforcing portion, and the cross section of the intermediate connection portion is circular or regular polygon.
11. The wind turbine blade shell T-bar reinforcement structure of claim 10, wherein the reinforcement is hollow.
12. A wind turbine blade shell T-bar reinforcement structure according to claim 10 or 11, wherein the reinforcement top is further provided with T-bars.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321551850.1U CN220415573U (en) | 2023-06-16 | 2023-06-16 | Wind-powered electricity generation blade shell T type muscle additional strengthening |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321551850.1U CN220415573U (en) | 2023-06-16 | 2023-06-16 | Wind-powered electricity generation blade shell T type muscle additional strengthening |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220415573U true CN220415573U (en) | 2024-01-30 |
Family
ID=89652128
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321551850.1U Active CN220415573U (en) | 2023-06-16 | 2023-06-16 | Wind-powered electricity generation blade shell T type muscle additional strengthening |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220415573U (en) |
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2023
- 2023-06-16 CN CN202321551850.1U patent/CN220415573U/en active Active
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