CN215804965U - Novel waterproof offshore wind driven generator air guide sleeve - Google Patents
Novel waterproof offshore wind driven generator air guide sleeve Download PDFInfo
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- CN215804965U CN215804965U CN202121836908.8U CN202121836908U CN215804965U CN 215804965 U CN215804965 U CN 215804965U CN 202121836908 U CN202121836908 U CN 202121836908U CN 215804965 U CN215804965 U CN 215804965U
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- guide cover
- wall
- hole
- mounting
- offshore wind
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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 discloses a novel waterproof offshore wind driven generator air guide sleeve, which comprises an end cover and a body, wherein the end cover and the body are both provided with a hub fixing part, the opening end of the body is provided with a reinforcing ring, and the body comprises three petal-shaped first air guide sleeve walls and three petal-shaped second air guide sleeve walls; the first guide cover wall and the second guide cover wall are distributed at intervals in the circumferential direction; two sides of the first guide cover wall are provided with first connecting parts, and two sides of the second guide cover wall are provided with second connecting parts matched with the first connecting parts; the first connecting part comprises a first extension part arranged on the upper part of the side wall of the first guide cover wall, and the second connecting part comprises a gamma-shaped second extension part arranged in the middle of the side wall of the second guide cover wall; the second extension part is arranged in the accommodating cavity and matched with the accommodating cavity; the air guide sleeve is reasonable in structural design, firm in connection, good in waterproofness and good in lighting effect in the air guide sleeve.
Description
Technical Field
The utility model relates to the field of wind turbine fairings, in particular to a novel waterproof offshore wind turbine fairings.
Background
The air guide sleeve is a main part of the wind driven generator, and Chinese patent CN202023704U discloses an air guide sleeve of an offshore wind driven generator set, which comprises three arc-shaped plates, wherein the three arc-shaped plates are connected in pairs to form an air guide sleeve body, and sealing gaskets are arranged at the joints of the three arc-shaped plates connected in pairs to meet the requirements of the offshore wind driven generator set on salt mist corrosion resistance, damp heat resistance, sealing, typhoon resistance, fastener rust resistance, maintenance and the like. However, the patent has the following problems as the prior most air guide sleeve:
firstly, the method comprises the following steps: the traditional split type flow guide cover wall is not firmly connected and cannot meet the requirements of offshore wind power generation;
secondly, the method comprises the following steps: the lighting effect in the air guide sleeve is poor, external light is difficult to shoot into the air guide sleeve, the inside of the air guide sleeve is dark, and workers need to carry lighting equipment when maintaining components in the air guide sleeve, the irradiation range of the lighting equipment is limited, and the burden of the workers is increased;
thirdly, the method comprises the following steps: the outer diameter of the traditional air guide sleeve appearance structure is gradually enlarged from the top of the air guide sleeve to the opening end and is streamline, but the effect of reducing wind resistance and turbulence of the air guide sleeve with the structure is not obvious, a turbulence wake area still exists behind the air guide sleeve, and a following wind turbine generator still runs in the turbulence flow field, so that the generating capacity of the generator can be greatly influenced, and meanwhile, the service life of the whole generator is also influenced.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects of the prior art and provide the novel waterproof offshore wind driven generator air guide sleeve which is reasonable in structural design, firm in air guide sleeve connection, good in waterproofness and good in lighting effect in the air guide sleeve.
In order to realize the purpose of the utility model, the technical proposal of the utility model is as follows:
a novel waterproof offshore wind turbine air guide sleeve comprises an end cover and a body, wherein both the end cover and the body are provided with hub fixing parts, the opening end of the body is provided with a reinforcing ring, and the body comprises three petal-shaped first air guide sleeve walls and three petal-shaped second air guide sleeve walls; the first guide cover wall and the second guide cover wall are distributed at intervals in the circumferential direction; two sides of the first guide cover wall are provided with first connecting parts, and two sides of the second guide cover wall are provided with second connecting parts matched with the first connecting parts; the first connecting part comprises a first extending part arranged on the upper part of the side wall of the first guide cover wall, and an accommodating cavity is formed between the first extending part and the side wall of the first guide cover wall; the second connecting part comprises a gamma-shaped second extension part arranged in the middle of the side wall of the second guide cover wall; the second extension part is arranged in the accommodating cavity and matched with the accommodating cavity; an installation cavity is formed between the second extending part and the side wall of the second flow guide cover wall.
Preferably, the bottom surface of the first extending portion is provided with a first mounting blind hole, the horizontal portion of the second extending portion is provided with a first mounting through hole corresponding to the first mounting blind hole, and the first mounting blind hole and the first mounting through hole are fixedly connected through a first bolt.
Preferably, a second mounting blind hole is formed in the side wall of the first flow guide cover wall below the first extending portion, a second mounting through hole corresponding to the second mounting blind hole is formed in the vertical portion of the second extending portion, and the second mounting blind hole and the second mounting through hole are fixedly connected through a second bolt.
Preferably, the free end of the first extension part is further provided with a protrusion, and the upper part of the side wall of the second flow guide cover is provided with a groove matched with the protrusion.
Preferably, a sealing gasket is arranged between the outer wall of the second extension part and the accommodating cavity.
Preferably, the first guide cover wall is provided with a blade connecting hole, the second guide cover wall is provided with a hoisting hole, a light-transmitting belt is arranged above the hoisting hole, and a light-transmitting cover plate is arranged on the hoisting hole.
Preferably, the outer diameter of the reinforcing ring is gradually reduced from one end of the connecting body to the other end; the end cover, the body and the reinforcing ring form a structure with a large middle and two small ends.
The utility model has the beneficial effects that:
firstly, the method comprises the following steps: the first connecting part, the second connecting part and the sealing gasket are arranged, and the connecting parts of the first connecting part and the second connecting part are arranged in the air guide sleeve, so that the maintenance is convenient, and the water resistance is good;
secondly, the method comprises the following steps: the first bolt and the second bolt are arranged to fix the first connecting part and the second connecting part in two directions, so that the connection is firm and the wind resistance is good;
thirdly, the method comprises the following steps: because the body is of a split type (three first guide cover walls and three second guide cover walls), and the two ends of the body are respectively provided with the hub fixing part and the reinforcing ring, on one hand, the stability and the connection firmness of the body can be enhanced, and the wind resistance requirement of the offshore wind driven generator can be met; on the other hand, the reinforcing ring, the end cover, the body and the reinforcing ring form a structure with a large middle part and small two ends, and the air guide sleeve with the structure can improve the overall strength of the air guide sleeve on one hand, so that when air flows backwards through the windward end of the air guide sleeve, the air guide sleeve moves backwards along the appearance of the air guide sleeve, thereby reducing the range of wake flow, reducing the wind resistance on the air guide sleeve, reducing the load of a fan, reducing the resistance at the air guide sleeve of a unit and the turbulence at the rear part of a cabin of a wind turbine, improving the working efficiency of the wind turbine, and on the other hand, a reducing structure is formed at the rear part of the air guide sleeve, so that the mounting firmness and reliability of the air guide sleeve can be improved;
fourthly: set up printing opacity area and printing opacity apron, improve the illuminating effect in the whole kuppe, the staff of being convenient for carries out maintenance operation.
Drawings
FIG. 1 is a schematic view of the structure of the present invention.
Fig. 2 is a schematic view of the connection of the first connection portion and the second connection portion.
In the figure: 10 is an end cover, 20 is a body, 30 is a reinforcing ring, 40 is a first dome wall, 41 is a first connection portion, 41.1 is a first extension portion, 41.2 is a receiving cavity, 41.3 is a protrusion, 42 is a blade connection hole, 50 is a second dome wall, 51 is a second connection portion, 51.1 is a second extension portion, 51.2 is a mounting cavity, 51.3 is a groove, 52 is a hoisting hole, 53 is a light-transmitting band, 54 is a light-transmitting cover plate, 60 is a first bolt, 61 is a second bolt, 62 is a sealing gasket.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings.
A novel waterproof offshore wind turbine air guide sleeve comprises an end cover 10 and a body 20, wherein both the end cover 10 and the body 20 are provided with hub fixing parts (not shown in the figure, which is the prior art), the open end of the body 20 is provided with a reinforcing ring, and the body 20 comprises three petal-shaped first air guide sleeve walls 40 and three petal-shaped second air guide sleeve walls 50; the first guide cover wall 40 and the second guide cover wall 50 are distributed at intervals in the circumferential direction; two sides of the first guide cover wall 40 are provided with first connecting parts 41, and two sides of the second guide cover wall 50 are provided with second connecting parts 51 matched with the first connecting parts 41; the first connecting part 41 comprises a first extending part 41.1 arranged at the upper part of the side wall of the first guide cover wall 40, and an accommodating cavity 41.2 is formed between the first extending part 41.1 and the side wall of the first guide cover wall 40; the second connection part 51 includes a gamma-shaped second extension part 51.1 disposed at the middle of the sidewall of the second dome wall 50; the second extension part 51.1 is arranged in the accommodating cavity 41.2 and matched with the accommodating cavity 41.2; an installation cavity 51.2 is formed between the second extending portion 51.1 and the side wall of the second dome wall 50, the first connection portion 41 and the first dome wall 40 are integrally formed, and the second connection portion 51 and the second dome wall 50 are integrally formed.
Preferably, a first blind mounting hole (not shown) is formed in a bottom surface of the first extending portion 41.1, a first through mounting hole (not shown) corresponding to the first blind mounting hole is formed in a horizontal portion of the second extending portion 51.1, and the first blind mounting hole and the first through mounting hole are fixedly connected by a first bolt 60.
Preferably, a second blind mounting hole (not shown) is formed in a side wall of the first pod wall 40 below the first extending portion 41.1, a second through mounting hole (not shown) corresponding to the second blind mounting hole is formed in a vertical portion of the second extending portion 51.1, and the second blind mounting hole and the second through mounting hole are fixedly connected by a second bolt 61.
Preferably, the free end of the first extension 41.1 is further provided with a protrusion 41.3, and the upper part of the sidewall of the second dome wall 50 is provided with a groove 51.3 matched with the protrusion 41.3.
Preferably, a sealing gasket 62 is arranged between the outer wall of the second extension part 51.1 and the accommodating cavity 41.2.
Preferably, the first guide cover wall 40 is provided with a blade connecting hole 42, the second guide cover wall 50 is provided with a hoisting hole 52, a light-transmitting strip 53 is arranged above the hoisting hole 52, and the hoisting hole 52 is provided with a light-transmitting cover plate 54.
Preferably, the outer diameter of the reinforcing ring 30 is gradually reduced from one end of the connecting body 20 to the other end; the end cap 10, the body 20 and the reinforcing ring 30 form a structure with a large middle and two small ends.
Because the body 20 is the split type (three first kuppe wall and three second kuppe wall), set up wheel hub fixed part and reinforcing ring 30 respectively at the both ends of body 20, can strengthen the stability of body 20 and the fastness of connecting on the one hand, satisfy offshore wind power generation machine's anti-wind requirement, on the other hand can reduce the scope of wake, reduce the wind resistance on the kuppe, reduce the load of fan, reduce the resistance and the torrent at wind turbine cabin rear portion of unit kuppe department.
The described embodiments are only some embodiments of the utility model, not all 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.
Claims (7)
1. The utility model provides a novel waterproof offshore wind turbine kuppe, includes end cover (10) and body (20), its characterized in that: the end cover (10) and the body (20) are both provided with hub fixing parts, the opening end of the body (20) is provided with a reinforcing ring, and the body (20) comprises three petal-shaped first guide cover walls (40) and three petal-shaped second guide cover walls (50); the first guide cover wall (40) and the second guide cover wall (50) are distributed at intervals in the circumferential direction; first connecting parts (41) are arranged on two sides of the first flow guide cover wall (40), and second connecting parts (51) matched with the first connecting parts (41) are arranged on two sides of the second flow guide cover wall (50); the first connecting part (41) comprises a first extending part (41.1) arranged at the upper part of the side wall of the first guide cover wall (40), and an accommodating cavity (41.2) is formed between the first extending part (41.1) and the side wall of the first guide cover wall (40); the second connecting part (51) comprises a gamma-shaped second extension part (51.1) arranged in the middle of the side wall of the second guide cover wall (50); the second extension part (51.1) is arranged in the accommodating cavity (41.2) and matched with the accommodating cavity (41.2); and a mounting cavity (51.2) is formed between the second extending part (51.1) and the side wall of the second flow guide cover wall (50).
2. The novel waterproof offshore wind turbine nacelle according to claim 1, wherein: the bottom surface of the first extension part (41.1) is provided with a first mounting blind hole, the horizontal part of the second extension part (51.1) is provided with a first mounting through hole corresponding to the first mounting blind hole, and the first mounting blind hole and the first mounting through hole are fixedly connected through a first bolt (60).
3. The novel waterproof offshore wind turbine nacelle according to claim 1, wherein: and a second mounting blind hole is formed in the side wall of the first flow guide cover wall (40) below the first extension part (41.1), a second mounting through hole corresponding to the second mounting blind hole is formed in the vertical part of the second extension part (51.1), and the second mounting blind hole and the second mounting through hole are fixedly connected through a second bolt (61).
4. The novel waterproof offshore wind turbine nacelle according to claim 1 or 2, characterized in that: the free end part of the first extension part (41.1) is further provided with a protrusion (41.3), and the upper part of the side wall of the second flow guide cover wall (50) is provided with a groove (51.3) matched with the protrusion (41.3).
5. The novel waterproof offshore wind turbine nacelle according to claim 1, wherein: a sealing gasket (62) is arranged between the outer wall of the second extension part (51.1) and the containing cavity (41.2).
6. The novel waterproof offshore wind turbine nacelle according to claim 1, wherein: set up blade connecting hole (42) on first kuppe wall (40), set up hole of hoist (52) on second kuppe wall (50), hole of hoist (52) top sets up printing opacity area (53), set up printing opacity apron (54) on hole of hoist (52).
7. The novel waterproof offshore wind turbine nacelle according to claim 1, wherein: the outer diameter of the reinforcing ring (30) is gradually reduced from one end of the connecting body (20) to the other end; the end cover (10), the body (20) and the reinforcing ring (30) form a structure with a large middle and two small ends.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121836908.8U CN215804965U (en) | 2021-08-09 | 2021-08-09 | Novel waterproof offshore wind driven generator air guide sleeve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121836908.8U CN215804965U (en) | 2021-08-09 | 2021-08-09 | Novel waterproof offshore wind driven generator air guide sleeve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215804965U true CN215804965U (en) | 2022-02-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121836908.8U Active CN215804965U (en) | 2021-08-09 | 2021-08-09 | Novel waterproof offshore wind driven generator air guide sleeve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215804965U (en) |
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2021
- 2021-08-09 CN CN202121836908.8U patent/CN215804965U/en active Active
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