CN216131024U

CN216131024U - Wind turbine blade main beam structure based on zero Poisson's ratio and angular gradient honeycomb

Info

Publication number: CN216131024U
Application number: CN202120623574.XU
Authority: CN
Inventors: 丁洪宇
Original assignee: Jiangsu Huaen Wind Power Equipment Co ltd
Current assignee: Yancheng Changzhi New Energy Technology Co ltd
Priority date: 2021-03-29
Filing date: 2021-03-29
Publication date: 2022-03-25
Anticipated expiration: 2031-03-29

Abstract

The utility model discloses a wind turbine blade main beam structure based on zero Poisson's ratio and angular gradient honeycombs, which relates to the field of wind power generation. The honeycomb ring connecting structure is provided with a connecting mechanism, a plurality of honeycomb rings are connected, a lug is clamped into a connecting groove in another honeycomb ring from the direction of a marking plate, at the moment, the lug is firstly contacted with an inclined plane at the upper end part of a first inclined block, the first inclined block moves downwards and drives a first spring to compress, meanwhile, the first inclined block drives a second inclined block to move downwards through a first connecting plate, meanwhile, a first chute is aligned with the first inclined block, at the moment, the first spring is released, and the first inclined block and the second inclined block are respectively clamped into the inner walls of the second chute and the first chute, so that the quick connection between the honeycomb rings is realized.

Description

Wind turbine blade main beam structure based on zero Poisson's ratio and angular gradient honeycomb

Technical Field

The utility model relates to the field of wind blade main beams, in particular to a wind turbine blade main beam structure based on zero Poisson's ratio and angular gradient honeycombs.

Background

China is rich in wind energy resources, and the wind energy storage capacity capable of being developed and utilized is about 10 hundred million kW, wherein the wind energy storage capacity on land is about 2.53 hundred million kW (data calculation of 10m height above the ground), and the wind energy storage capacity capable of being developed and utilized on the sea is about 7.5 hundred million kW, and the total is 10 hundred million kW.

According to the ' wind turbine blade main beam structure based on zero Poisson ' ratio and angle gradient honeycomb ' disclosed by Chinese patent No. CN 206419167U, the disclosed patent comprises a shear web and a beam plate; the crossbeam plates are fixed on two side edges of the shear web; the shear web comprises two clamping plates and an angle gradient honeycomb structure clamped between the two clamping plates; the beam plate comprises two clamping plates and a zero Poisson ratio honeycomb core grid clamped between the two clamping plates; the zero Poisson ratio honeycomb core grid consists of a group of transverse expansion edges, a group of transverse honeycomb edges and two groups of oblique honeycomb edges; each transverse expansion edge and each transverse honeycomb edge are connected through two oblique honeycomb edges, and the adjacent transverse expansion edges and the transverse honeycomb plate are respectively arranged on two sides of the oblique honeycomb edges. The main beam structure improves the shear stress distribution between the beam layers and in the shear web by introducing two honeycomb core structures. The main beam structure is simple in structure, can be rapidly produced in a large number through processes such as roll forming and extrusion, and is suitable for industrial application.

However, in the above-mentioned patent publications, the connection between the honeycomb rings is not easy enough, and therefore, it takes a lot of time to assemble the honeycomb rings, and the work efficiency cannot be further improved.

SUMMERY OF THE UTILITY MODEL

The utility model aims to: in order to solve the problem that the working efficiency cannot be further improved, the wind turbine blade main beam structure based on the zero Poisson's ratio and the angular gradient honeycomb is provided.

In order to achieve the purpose, the utility model provides the following technical scheme: a wind turbine blade main beam structure based on zero Poisson's ratio and angular gradient honeycombs comprises a honeycomb ring, a connecting mechanism and a locking mechanism, wherein one end of the honeycomb ring is provided with a marking plate, and the outer wall of the honeycomb ring is provided with a convex block and a connecting groove in a staggered manner;

wherein, coupling mechanism is including being located the inside second chute of lug, the one end that the inside of lug is located the second chute is provided with first chute, coupling mechanism is still including the first sloping block that is located the spread groove inner wall, and the one end that the inner wall of spread groove is located first sloping block is provided with the second sloping block, the inner wall of spread groove is located and is provided with the connecting hole between first sloping block and the second sloping block, be connected with first connecting plate between first sloping block and the second sloping block, and the bottom of first sloping block is connected with a spring.

As a still further scheme of the utility model: the locking mechanism comprises a stand column positioned at the top end of a first connecting plate, a second connecting plate is arranged inside the stand column, and the second connecting plate is connected with a clamping block penetrating through the outside of the stand column through a second spring.

As a still further scheme of the utility model: the outer wall of the lug is matched with the inner wall of the connecting groove, and the vertical sections of the lug and the connecting groove are in a convex structure.

As a still further scheme of the utility model: the inner wall of the second chute is matched with the outer wall of the upper half part of the second inclined block, and the first chute is matched with the outer wall of the upper half part of the first inclined block.

As a still further scheme of the utility model: the top ends of the first inclined block and the second inclined block are in inclined plane states, and inclined planes at the top ends of the first inclined block and the second inclined block are symmetrically arranged with a vertical central axis of the connecting groove.

As a still further scheme of the utility model: the inside of spread groove is provided with and moves the orbit assorted recess with first connecting plate, the bottom of a spring links to each other with the recess.

As a still further scheme of the utility model: the inside of lug is provided with stand assorted first draw-in groove, and the inside of lug is provided with fixture block assorted second draw-in groove.

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

1. the honeycomb rings are connected by arranging the connecting mechanism, the lug is clamped into a connecting groove in another honeycomb ring from the direction of the marking plate, at the moment, the lug is firstly contacted with the inclined plane at the upper end part of the first inclined block, the lug applies pressure to the first inclined block, the first inclined block moves downwards and drives the first spring to compress, meanwhile, the first inclined block drives the second inclined block to move downwards through the first connecting plate until the second chute is aligned with the second inclined block, meanwhile, the first chute is aligned with the first inclined block, at the moment, the first spring is released, the first inclined block and the second inclined block are respectively clamped into the inner walls of the second chute and the first chute, the quick connection among the honeycomb rings is realized, and the assembly working efficiency is improved;

2. through setting up the locking mechanism, at second connecting plate upward movement's in-process, the first draw-in groove of stand elder generation card income, two fixture block atresss draw in the inside of stand and drive No. two spring compression this moment, align with the second draw-in groove until the fixture block, No. two spring releases this moment, drive the fixture block card income second draw-in groove, realize dying the lock of second connecting plate to avoid the girder when the installation back operation, take place the problem that the second connecting plate rocked.

Drawings

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

FIG. 2 is a schematic view of the connection between the bump and the connecting groove according to the present invention;

FIG. 3 is a schematic view of the mounting of the connection plate of the present invention;

fig. 4 is a partially enlarged view of the present invention at a.

In the figure: 1. a honeycomb ring; 2. a marking plate; 3. a bump; 4. connecting grooves; 5. a second chute; 6. a first chute; 7. A first swash block; 8. a second swash block; 9. connecting holes; 10. a first connecting plate; 11. a column; 12. a second connecting plate; 13. A clamping block; 14. a first spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art. The following describes an embodiment of the present invention based on its overall structure.

Referring to fig. 1 to 4, in an embodiment of the present invention, a wind turbine blade main beam structure based on zero poisson's ratio and angular gradient honeycomb includes a honeycomb ring 1, a connection mechanism and a locking mechanism, wherein one end of the honeycomb ring 1 is provided with a marking plate 2, the outer wall of the honeycomb ring 1 is provided with a protrusion 3 and a connection groove 4 in a staggered manner, and the protrusion 3 and the connection groove 4;

wherein, coupling mechanism is including being located the inside second chute 5 of lug 3, the inside one end that is located second chute 5 of lug 3 is provided with first chute 6, coupling mechanism is still including the first sloping block 7 that is located the 4 inner walls of spread groove, and the one end that the inner wall of spread groove 4 is located first sloping block 7 is provided with second sloping block 8, the inner wall of spread groove 4 is located and is provided with connecting hole 9 between first sloping block 7 and the second sloping block 8, be connected with first connecting plate 10 between first sloping block 7 and the second sloping block 8, and the bottom of first sloping block 7 is connected with spring 14 No. one.

Please refer to fig. 3 and 4, the locking mechanism includes a vertical column 11 located at the top end of the first connecting plate 10, a second connecting plate 12 is disposed inside the vertical column 11, and the second connecting plate 12 is connected to a block 13 penetrating to the outside of the vertical column 11 through a second spring, so that the locking mechanism can lock the connecting mechanism conveniently, and prevent the device from shaking after being installed and operated.

Please refer to the figure, the outer wall of the bump 3 is matched with the inner wall of the connection groove 4, and the vertical sections of the bump 3 and the connection groove 4 are both in the shape of a Chinese character 'tu'.

Please refer to fig. 1 and fig. 2, the inner wall of the second chute 5 fits with the upper half outer wall of the second inclined block 8, and the first chute 6 fits with the upper half outer wall of the first inclined block 7, so that the first inclined block 7 and the second inclined block 8 can be clamped into the inner walls of the first chute 6 and the second chute 5.

Please refer to fig. 2, the top ends of the first inclined block 7 and the second inclined block 8 are both in an inclined plane state, and the inclined planes at the top ends of the first inclined block 7 and the second inclined block 8 are symmetrically arranged by the vertical central axis of the connecting groove 4, so that the inclined plane of the first inclined block 7 moves downwards after being stressed.

Please refer to fig. 2 and 3, a groove matching with the moving track of the first connecting plate 10 is disposed inside the connecting groove 4, and the bottom end of the first spring 14 is connected to the groove, so as to facilitate the up-and-down movement of the first connecting plate 10 and fix the bottom end of the first spring 14.

Please refer to fig. 2 and fig. 4, a first engaging groove is formed in the protrusion 3 and is matched with the upright post 11, and a second engaging groove is formed in the protrusion 3 and is matched with the engaging block 13, so that the upright post 11 and the engaging block 13 can be engaged with the protrusion 3.

The working principle of the utility model is as follows: firstly, when assembling the main beam structure, connecting a plurality of honeycomb rings 1, clamping a lug 3 into a connecting groove 4 in another honeycomb ring 1 from the direction of a marking plate 2, at the moment, firstly, enabling the lug 3 to be in contact with an inclined plane at the upper end part of a first inclined block 7, enabling the lug 3 to apply pressure to the first inclined block 7, enabling the first inclined block 7 to move downwards and driving a first spring 14 to compress, meanwhile, enabling the first inclined block 7 to drive a second inclined block 8 to move downwards through a first connecting plate 10 until a second inclined groove 5 is aligned with the second inclined block 8, enabling a first inclined groove 6 to be aligned with the first inclined block 7, at the moment, enabling the first inclined block 7 and the second inclined block 8 to be clamped into the inner walls of the second inclined groove 5 and the first inclined groove 6 respectively, realizing quick connection among the plurality of honeycomb rings 1, and then, during the upward movement of the first connecting plate 10, enabling an upright 11 to be clamped into a first clamping groove, and enabling two clamping blocks 13 to retract into the interior of the upright 11 and driving a second spring to compress, until the clamping block 13 is aligned with the second clamping groove, the second spring is released, the clamping block 13 is driven to be clamped into the second clamping groove, and the first connecting plate 10 is locked.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the scope of the present invention, and the technical solutions and the utility model concepts of the present invention are equivalent to or changed within the scope of the present invention.

Claims

1. A wind turbine blade main beam structure based on zero Poisson's ratio and angular gradient honeycombs comprises a honeycomb ring (1), a connecting mechanism and a locking mechanism, and is characterized in that one end of the honeycomb ring (1) is provided with a marking plate (2), the outer wall of the honeycomb ring (1) is provided with a convex block (3) and a connecting groove (4) in a staggered mode, and the convex block (3) and the connecting groove (4) are arranged;

wherein, coupling mechanism is including second chute (5) that are located lug (3) inside, the one end that the inside of lug (3) is located second chute (5) is provided with first chute (6), coupling mechanism is still including first sloping block (7) that are located spread groove (4) inner wall, and the one end that the inner wall of spread groove (4) is located first sloping block (7) is provided with second sloping block (8), the inner wall of spread groove (4) is located and is provided with connecting hole (9) between first sloping block (7) and second sloping block (8), be connected with first connecting plate (10) between first sloping block (7) and second sloping block (8), and the bottom of first sloping block (7) is connected with spring (14).

2. The wind turbine blade girder structure based on zero Poisson's ratio and angular gradient honeycomb according to claim 1, characterized in that the locking mechanism comprises a vertical column (11) located at the top end of the first connecting plate (10), a second connecting plate (12) is arranged inside the vertical column (11), and the second connecting plate (12) is connected with a clamping block (13) penetrating to the outside of the vertical column (11) through a second spring.

3. The wind turbine blade girder structure based on zero Poisson's ratio and angular gradient honeycomb according to claim 1, characterized in that the outer wall of the protrusion (3) is fitted with the inner wall of the connection groove (4), and the vertical sections of the protrusion (3) and the connection groove (4) are both in a structure like a Chinese character ' tu '.

4. The wind turbine blade girder structure based on zero Poisson's ratio and angular gradient honeycomb as claimed in claim 1, wherein the inner wall of the second chute (5) is fitted with the upper half outer wall of the second ramp block (8), and the first chute (6) is fitted with the upper half outer wall of the first ramp block (7).

5. The wind turbine blade main beam structure based on zero Poisson's ratio and angular gradient honeycomb as claimed in claim 1, wherein the top ends of the first oblique block (7) and the second oblique block (8) are in an oblique surface state, and the oblique surfaces of the top ends of the first oblique block (7) and the second oblique block (8) are symmetrically arranged with respect to the vertical central axis of the connecting groove (4).

6. The wind turbine blade main beam structure based on the zero Poisson's ratio and angular gradient honeycomb as claimed in claim 1, characterized in that the inside of the connecting groove (4) is provided with a groove matched with the moving track of the first connecting plate (10), and the bottom end of the first spring (14) is connected with the groove.

7. The wind turbine blade girder structure based on zero Poisson's ratio and angular gradient honeycomb according to claim 2, characterized in that a first clamping groove matched with the upright post (11) is arranged inside the projection (3), and a second clamping groove matched with the clamping block (13) is arranged inside the projection (3).