CN218882419U - Connecting structure of wind driven generator segmented blade and wind driven generator blade - Google Patents
Connecting structure of wind driven generator segmented blade and wind driven generator blade Download PDFInfo
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- CN218882419U CN218882419U CN202223317222.5U CN202223317222U CN218882419U CN 218882419 U CN218882419 U CN 218882419U CN 202223317222 U CN202223317222 U CN 202223317222U CN 218882419 U CN218882419 U CN 218882419U
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- connecting piece
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- horizontal plate
- driven generator
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- 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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Abstract
The utility model relates to the technical field of wind power generation equipment, aiming at solving the problems that the bolt pretightening force is difficult to maintain and the bolts can not be replaced in the air after being broken because the existing segmented blades are connected by bolts, and providing a connecting structure of the segmented blades of a wind driven generator and the blades of the wind driven generator; the connecting structure comprises two first connecting pieces which are oppositely arranged, each first connecting piece comprises a vertical rod and a connecting head connected to one end of the vertical rod, and the vertical rods are used for being assembled at the connecting end parts of the segmented blades; a second connecting piece is arranged between the two first connecting pieces and comprises a horizontal plate and a vertical plate which are perpendicular to each other, the horizontal plate is arranged between the two connectors, and the vertical plate is coated on the side surface of the first connecting piece; the two connectors are locked with the horizontal plate through locking parts; the first connecting piece and the second connecting piece are of split structures or integrally formed structures; the wind driven generator blade comprises at least two sectional blades, and every two adjacent sectional blades are connected through a plurality of connecting structures.
Description
Technical Field
The utility model relates to a wind power generation equipment technical field particularly, relates to a wind driven generator segmentation blade's draw bail and wind driven generator blade.
Background
With the rapid development of the wind power industry, the length of the blade is continuously lengthened, so that the difficulty and cost of blade transportation are also continuously increased, and therefore, the development of a sectional assembly technology of the blade is urgently needed. Although the development demand of the segmented blades is greatly reduced due to the appearance of blade lifting vehicle transportation, more and more development bottlenecks are generated in the lifting vehicle transportation along with the continuous lengthening of the blades of the mountain wind driven generator.
The existing segmented blades are usually connected through bolts, the pretightening force of the bolts is not easy to maintain, and the bolts cannot be replaced in the air after being broken.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a wind driven generator segmentation blade's draw bail and wind driven generator blade to solve and adopt bolted connection between the current segmentation blade, there is the difficult maintenance of bolt pretightning force, the problem of unable aerial change after the bolt fracture.
The utility model discloses a technical scheme who adopts following realizes:
the utility model provides a connecting structure of a segmented blade of a wind driven generator, which comprises two first connecting pieces which are oppositely arranged, wherein each first connecting piece comprises a vertical rod and a connecting head connected to one end of the vertical rod, and the vertical rod is used for being assembled at the connecting end part of the segmented blade;
a second connecting piece is arranged between the two first connecting pieces and comprises a horizontal plate and a vertical plate which are perpendicular to each other, the horizontal plate is arranged between the two connectors, and the vertical plate is wrapped on the side face of the first connecting piece; the two connectors are locked with the horizontal plate through locking parts;
the first connecting piece and the second connecting piece are of split type structures or integrally formed structures.
Wherein, first connecting piece with the second connecting piece is split type structure or integrated into one piece structure and indicates: the upright stanchion and the connector in the first connecting piece can be two independent components which are spliced to form the first connecting piece, the upright stanchion and the connector can also be integrally formed components, and the upright stanchion and the connector are different parts of the components; similarly, the horizontal plate and the vertical plate in the second connecting piece can also be two independent components, the horizontal plate and the vertical plate are spliced to form the second connecting piece, the horizontal plate and the vertical plate can also be integrally formed components, and the horizontal plate and the vertical plate are different parts of the components.
The utility model discloses with two the pole setting of first connecting piece is assembled respectively in the tip of two adjacent segmentation blades, makes two the connector of first connecting piece stretches out and sets up relatively, two is arranged in to the horizontal plate of second connecting piece between the connector, the riser cladding in the side of first connecting piece, then with two through the retaining member the connector with the horizontal plate locking to link to each other two segmentation blades, and the second connecting piece is two the junction of first connecting piece is consolidated, prevents two great opening appears under the loaded state between the first connecting piece, thereby reduces the bending stress of retaining member by a wide margin, guarantees that the intensity of retaining member is qualified.
The utility model provides a connection structure of aerogenerator segmentation blade, structural strength is big, is difficult for breaking occur.
As a preferred technical scheme:
two the pole setting cavity is installed the pin between the two, set up the confession on the horizontal plate the through-hole that the pin passed.
The pin is used for positioning the two first connecting pieces, and assembly precision is guaranteed.
As a preferred technical scheme:
two the connector with seted up corresponding locking hole on the horizontal plate, the retaining member is installed in the locking hole.
As a preferred technical scheme:
the locking piece is a bolt and a nut which are connected in a matched mode.
As a preferred technical scheme:
the first connecting piece is an L-shaped flange.
As a preferred technical scheme:
the second connecting piece is a T-shaped flange.
The utility model discloses further provide a aerogenerator blade, including two at least segmentation blades, adjacent two the draw bail through a plurality of above-mentioned aerogenerator segmentation blades between the segmentation blade links to each other.
To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:
the utility model discloses with the one end of L type flange pre-buried in the glass steel of segmentation blade tip, then install a T type flange between two L type flanges, T type flange and two L type flange cooperations for prevent to appear great opening under the loaded state between two L type flanges, thereby reduce the bending stress of bolt by a wide margin, guarantee that bolt intensity is qualified.
A plurality of L-shaped flanges are embedded at the connecting end parts of the sectional blades, the L-shaped flanges at the two ends are connected through bolts, and the bolts are arranged on the inner side of the blade shell so as to be convenient to maintain.
Drawings
Fig. 1 is an assembly schematic diagram of the coupling structure of the segmented blade of the wind driven generator of the present invention.
Fig. 2 is an enlarged view at I in fig. 1.
Fig. 3 is a schematic structural diagram of the L-shaped flange according to the present invention.
Fig. 4 is a schematic structural diagram of an L-shaped flange according to the present invention.
Fig. 5 is a schematic structural view of the T-shaped flange of the present invention.
Fig. 6 is a schematic structural view of a wind turbine blade according to the present invention.
Icon: 1-L-shaped flange, 11-upright rod, 12-connector, 2-T-shaped flange, 21-horizontal plate, 22-vertical plate, 3-pin, 4-bolt, 5-nut and 6-segmented blade.
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings. 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.
Example 1
As shown in fig. 1 to 5, the present embodiment provides a coupling structure for a segmented blade of a wind turbine, including two L-shaped flanges 1 arranged oppositely, where each L-shaped flange 1 includes an upright 11 and a connector 12 connected to one end of the upright 11, the upright 11 is configured to be assembled at a coupling end of the segmented blade 6, and specifically, the upright 11 is configured to be embedded in glass fiber reinforced plastic at an end of the segmented blade 6.
Two be equipped with a T type flange 2 between the L type flange 1, T type flange 2 includes mutually perpendicular's horizontal plate 21 and riser 22, horizontal plate 21 arranges two in between the connector 12, riser 22 cladding in the side of L type flange 1, the shape of riser 22 inner wall with the shape looks adaptation of L type flange 1 side, it is concrete, the symmetry is provided with two recesses, two on the inner wall of riser 22 the recess is used for holding two respectively the one end of connector 12 of L type flange 1.
Two the connector 12 with the locking hole that corresponds has been seted up on the horizontal plate 21, the downthehole bolt 4 that is equipped with of locking, 4 cooperation coupling nuts 5 of bolt, will two the connector 12 with the horizontal plate 21 locking, when the installation, will the blade casing inboard is arranged in so that maintain in bolt 4
In this embodiment, two of the vertical rods 11 are hollow, a pin 3 is installed between the two vertical rods, and a through hole for the pin 3 to pass through is formed in the horizontal plate 21. The pin 3 is used for positioning the two L-shaped flanges 1, and assembly precision is guaranteed.
Example 2
As shown in fig. 6, the present embodiment provides a wind turbine blade, which includes at least two segmented blades 6, and two adjacent segmented blades 6 are connected by a plurality of coupling structures of the wind turbine segmented blades described in embodiment 1.
In the embodiment, a plurality of L-shaped flanges 1 are embedded in the connecting end portions of the segmented blades 6, and the connecting structure is adopted to connect two adjacent segmented blades 6 together.
The utility model discloses be provided with the L type flange 1 cooperation at a plurality of T type flange 2 and both ends for prevent to appear great opening under the loaded state between the L type flange 1 at both ends, thereby reduce bolt 4's bending stress by a wide margin, guarantee that bolt 4's intensity is qualified.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. A coupling structure of wind power generator sectional blades is characterized in that:
the connecting device comprises two first connecting pieces which are oppositely arranged, wherein each first connecting piece comprises an upright rod and a connecting head connected to one end of the upright rod, and the upright rods are used for being assembled at the connecting end parts of the segmented blades;
a second connecting piece is arranged between the two first connecting pieces and comprises a horizontal plate and a vertical plate which are perpendicular to each other, the horizontal plate is arranged between the two connectors, and the vertical plate is wrapped on the side surface of the first connecting piece; the two connectors are locked with the horizontal plate through locking parts;
the first connecting piece and the second connecting piece are of split type structures or integrally formed structures.
2. Coupling structure of a wind turbine sectional blade according to claim 1, characterized in that:
two the pole setting cavity is installed the pin between the two, set up the confession on the horizontal plate the through-hole that the pin passed.
3. Coupling structure of a wind turbine sectional blade according to claim 1, characterized in that:
two the connector with seted up corresponding locking hole on the horizontal plate, the retaining member is installed in the locking hole.
4. The coupling structure of the wind turbine sectional blade according to claim 3, wherein:
the locking piece is a bolt and a nut which are connected in a matching way.
5. Coupling structure for segmented blades of wind turbines according to any of claims 1 to 4, characterized in that:
the first connecting piece is an L-shaped flange.
6. Coupling structure of a wind turbine sectional blade according to claim 5, characterized in that:
the second connecting piece is a T-shaped flange.
7. A wind turbine blade characterized by:
the wind driven generator comprises at least two segmented blades, and the adjacent two segmented blades are connected through a plurality of coupling structures of the segmented blades of the wind driven generator according to any one of claims 1 to 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223317222.5U CN218882419U (en) | 2022-12-06 | 2022-12-06 | Connecting structure of wind driven generator segmented blade and wind driven generator blade |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223317222.5U CN218882419U (en) | 2022-12-06 | 2022-12-06 | Connecting structure of wind driven generator segmented blade and wind driven generator blade |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218882419U true CN218882419U (en) | 2023-04-18 |
Family
ID=85940083
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223317222.5U Active CN218882419U (en) | 2022-12-06 | 2022-12-06 | Connecting structure of wind driven generator segmented blade and wind driven generator blade |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218882419U (en) |
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2022
- 2022-12-06 CN CN202223317222.5U patent/CN218882419U/en active Active
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