CN216342591U

CN216342591U - Air guide sleeve for wind turbine generator

Info

Publication number: CN216342591U
Application number: CN202122991905.8U
Authority: CN
Inventors: 韩武闯; 张海阳; 王贤明; 刘坤岭; 张军; 王亚辉
Original assignee: Henan North Electric Technology Co ltd
Current assignee: Henan North Electric Technology Co ltd
Priority date: 2021-12-01
Filing date: 2021-12-01
Publication date: 2022-04-19
Anticipated expiration: 2031-12-01

Abstract

The utility model discloses a wind deflector for a wind turbine generator, which comprises a wind deflector upper part, a wind deflector lower part, a flange plate and an opening part, wherein the wind deflector lower part is arranged below the wind deflector upper part, the flange plate is connected below the wind deflector lower part, the opening part is arranged on the wind deflector upper part, a connecting mechanism is arranged between the wind deflector upper part and the wind deflector lower part, the connecting mechanism comprises a movable block arranged on the wind deflector upper part and a clamping groove arranged on the wind deflector lower part, and a waterproof mechanism is arranged inside the opening part. According to the utility model, through arranging a series of structures, the upper part of the air guide sleeve can be easily taken down only by clockwise rotating the upper part of the air guide sleeve, and the gaps of the movable block and the clamping groove have small obstruction, so that when the weather is rainy, rainwater is blocked by the inner inclined plane and the outer inclined plane, a small part of rainwater flows to the outer arch surface and the inner arch surface and is blocked, and the inner rubber sleeve and the outer rubber sleeve are blocked, so that the water-proof effect of the air guide sleeve for the wind turbine generator set is better.

Description

Air guide sleeve for wind turbine generator

Technical Field

The utility model relates to the technical field of wind turbine generators, in particular to a flow guide cover for a wind turbine generator.

Background

The wind generating set operates in a randomly changed wind field, and when wind passes through the wind generating set, turbulent flow is generated at the rear part of a blade of the wind generating set and the cabin, and adverse influence is generated on the operation of the wind generating set behind, so that a flow guide cover is arranged at the windward end of the cabin of the wind generating set to protect the cabin and a hub, the wind resistance of the set can be reduced, the wind outlet load of the hub and the cabin is reduced, and the effect of the turbulent flow is reduced.

The existing air guide sleeve is divided into an integral type air guide sleeve and a split type air guide sleeve, wherein when the integral type air guide sleeve is locally damaged, a plurality of parts such as blades and the like need to be disassembled, and the problem of difficulty in disassembly, assembly and maintenance exists; moreover, the existing split type air guide sleeve still needs to be fixed by means of bolts and the like during disassembly and assembly, and the disassembly and assembly are very inconvenient.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a wind deflector for a wind turbine generator, which aims to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a kuppe for wind turbine generator system, includes kuppe upper portion, kuppe lower part, ring flange and opening part, install in kuppe upper portion below kuppe lower part in the kuppe lower part, the ring flange is connected in kuppe lower part below, opening part sets up on kuppe upper portion, be provided with coupling mechanism between kuppe upper portion and the kuppe lower part, coupling mechanism is including setting up the movable block on kuppe upper portion and setting up the draw-in groove in the kuppe lower part, the inside waterproofing mechanism that is provided with of opening part.

Preferably, the connecting mechanism further comprises a bayonet, a clamping head, a movable groove and a spring, the bayonet is arranged on the lower portion of the air guide sleeve, the clamping head is arranged on the upper portion of the air guide sleeve, the movable groove is formed in the clamping head, and the spring is arranged between the movable block and the movable groove.

Preferably, the movable block is in a right-angle trapezoidal shape, the movable block is connected in the movable groove in a sliding mode, and the movable block is matched with the clamping groove.

Preferably, one end of the spring is connected with the inner wall of the movable groove, and the other end of the spring is connected with the movable block.

Preferably, the movable groove inner wall is provided with a sliding groove, the movable block is provided with a sliding block matched with the movable block, and the movable block is connected with the movable groove inner wall in a sliding mode through the sliding block arranged in the sliding groove.

Preferably, waterproofing mechanism includes interior rubber sleeve, outer hunch face, interior inclined plane, interior hunch face, outer inclined plane and outer rubber sleeve, outer rubber sleeve cover is established at the opening part outer wall, interior rubber sleeve sets up at the opening part inner wall, interior inclined plane sets up first one at the opening part inner wall, outer inclined plane sets up the lower half at the opening part, interior hunch face sets up the one side on outer inclined plane, one side on inner inclined plane is including outer hunch face setting.

Preferably, the inclination angles of the inner inclined plane and the outer inclined plane are fifteen degrees.

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

1. this kuppe for wind turbine generator system, through the movable block, and use jointly with the draw-in groove, when needs installation kuppe upper portion and kuppe lower part, only need will install on kuppe upper portion joint the kuppe lower part, let bayonet socket and dop joint, rotatory kuppe upper portion makes movable block and draw-in groove butt joint again, the movable block joint is in the draw-in groove under the effect of spring, kuppe upper portion and kuppe lower part obtain fixedly, when needs pull down kuppe upper portion, only need clockwise rotation kuppe upper portion, the breach of movable block hinders lessly with the breach of draw-in groove, can take off kuppe upper portion easily, and is convenient and fast.

2. This kuppe for wind turbine generator system through outer hunch face to use with the combination of interior hunch face, when meetting rainwater weather, the rainwater receives the interior inclined plane, blocks on outer inclined plane, can not get into inside the kuppe, and the minority rainwater flows and receives to block to outer hunch face and interior hunch face department, in addition the blocking of interior rubber sleeve and outer rubber sleeve, makes this kuppe for wind turbine generator system water-proof effects better.

Drawings

FIG. 1 is a schematic view of the entire structure of embodiment 1;

FIG. 2 is a partial sectional view of the inner structure of the connection part of the upper part of the air guide sleeve and the lower part of the air guide sleeve in FIG. 1;

FIG. 3 is a schematic top view of the movable block and the slot in FIG. 1;

fig. 4 is a schematic structural view of embodiment 2.

In the figure: 1. the upper part of the air guide sleeve; 2. the lower part of the air guide sleeve; 3. a flange plate; 4. an opening member; 5. a bayonet; 6. clamping a head; 7. a card slot; 8. a movable groove; 9. a movable block; 10. a spring; 11. a chute; 12. a slider; 13. an inner rubber sleeve; 14. an outer arched surface; 15. an inner bevel; 16. an inner arched surface; 17. an outer bevel; 18. an outer rubber sleeve.

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 "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" 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 is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; 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.

Example 1

As shown in fig. 1 and fig. 2, the fairwater for the wind turbine generator set of this embodiment includes a fairwater upper portion 1, a fairwater lower portion 2, a flange 3 and an opening part 4, the fairwater lower portion 2 is installed below the fairwater upper portion 1, the flange 3 is connected below the fairwater lower portion 2, the flange 3 is used for installing the fairwater lower portion 2, the opening part 4 is disposed on the fairwater upper portion 1, a connection mechanism is disposed between the fairwater upper portion 1 and the fairwater lower portion 2, the connection mechanism includes a movable block 9 disposed on the fairwater upper portion 1 and a slot 7 disposed on the fairwater lower portion 2, the movable block 9 can be clamped in the slot 7, the connection mechanism further includes a bayonet 5, a clamp 6, a movable slot 8 and a spring 10, the bayonet 5 is disposed on the fairwater lower portion 2, the clamp 6 is disposed on the fairwater upper portion 1, the movable slot 8 is disposed on the clamp 6, the spring 10 is disposed between the movable block 9 and the movable slot 8, the movable block 9 is provided with a waterproof mechanism inside the opening part 4 under the elastic force of the spring 10, and the waterproof mechanism is used for avoiding the influence of rainwater on the air guide sleeve.

Specifically, the movable block 9 is right-angled trapezoid, the movable block 9 is slidably connected in the movable groove 8, and the movable block 9 is matched with the clamping groove 7.

Furthermore, one end of the spring 10 is connected with the inner wall of the movable groove 8, and the other end of the spring 10 is connected with the movable block 9.

Furthermore, the inner wall of the movable groove 8 is provided with a sliding groove 11, the movable block 9 is provided with a sliding block 12 matched with the movable block 9, the movable block 9 is connected with the inner wall of the movable groove 8 in a sliding manner through the sliding block 12 arranged in the sliding groove 11, the sliding block 12 can slide in the sliding groove 11, and the moving stability of the movable block 9 is improved.

The using method of the embodiment comprises the following steps: when kuppe upper portion 1 and kuppe lower part 2 need be installed, only need to install kuppe upper portion 1 joint to kuppe lower part 2, let bayonet socket 5 and dop 6 joint, rotatory kuppe upper portion 1 makes movable block 9 and draw-in groove 7 butt joint again, movable block 9 joint is in draw-in groove 7 under the effect of spring 10, kuppe upper portion 1 and kuppe lower part 2 obtain fixedly, when kuppe upper portion 1 is pulled down to needs, only need clockwise rotation kuppe upper portion 1, the breach of movable block 9 hinders lessly with the breach of draw-in groove 7, can take off kuppe upper portion 1 easily, and is convenient and fast.

Example 2

The structure of the wind deflector for the wind turbine generator in this embodiment is basically the same as that of the wind deflector for the wind turbine generator in embodiment 1, and the difference is that: the waterproof mechanism comprises an inner rubber sleeve 13, an outer arc surface 14, an inner inclined surface 15, an inner arc surface 16, an outer inclined surface 17 and an outer rubber sleeve 18, wherein the outer rubber sleeve 18 is sleeved on the outer wall of the opening part 4, the inner rubber sleeve 13 is arranged on the inner wall of the opening part 4, the inner inclined surface 15 is arranged on the upper half part of the inner wall of the opening part 4, the outer inclined surface 17 is arranged on the lower half part of the opening part 4, the inner arc surface 16 is arranged on one side of the outer inclined surface 17, and the outer arc surface 14 is arranged on one side of the inner inclined surface 15 (see fig. 3).

Specifically, the inclination angles of the inner inclined surface 15 and the outer inclined surface 17 are fifteen degrees.

The using method of the embodiment comprises the following steps: when meeting in rainwater weather, the rainwater is blocked by the inner inclined plane 15 and the outer inclined plane 17 and cannot enter the inside of the wind deflector, a small part of rainwater flows to the outer arch surface 14 and the inner arch surface 16 and is blocked, and in addition, the inner rubber sleeve 13 and the outer rubber sleeve 18 are blocked, so that the waterproof effect of the wind deflector for the wind turbine generator is better.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art will understand that various changes, modifications and substitutions can be made without departing from the spirit and scope of the utility model as defined by the appended claims. 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

1. The utility model provides a kuppe for wind turbine generator system, includes kuppe upper portion (1), kuppe lower part (2), ring flange (3) and opening part (4), kuppe lower part (2) are installed in kuppe upper portion (1) below, ring flange (3) are connected in kuppe lower part (2) below, opening part (4) set up on kuppe upper portion (1), its characterized in that: be provided with coupling mechanism between kuppe upper portion (1) and kuppe lower part (2), coupling mechanism is including setting up movable block (9) on kuppe upper portion (1) and setting up draw-in groove (7) on kuppe lower part (2), opening part (4) inside is provided with waterproof mechanism.

2. The wind deflector for the wind turbine generator according to claim 1, wherein: coupling mechanism still includes bayonet socket (5), dop (6), activity groove (8) and spring (10), bayonet socket (5) set up on kuppe lower part (2), dop (6) set up on kuppe upper portion (1), be provided with activity groove (8) on dop (6), be provided with spring (10) between movable block (9) and activity groove (8).

3. The wind deflector for the wind turbine generator according to claim 2, wherein: the movable block (9) is in a right-angle trapezoidal shape, the movable block (9) is connected in the movable groove (8) in a sliding mode, and the movable block (9) is matched with the clamping groove (7).

4. The wind deflector for the wind turbine generator according to claim 2, wherein: one end of the spring (10) is connected with the inner wall of the movable groove (8), and the other end of the spring (10) is connected with the movable block (9).

5. The wind deflector for the wind turbine generator according to claim 2, wherein: the movable groove (8) inner wall is provided with a sliding groove (11), a sliding block (12) matched with the movable block (9) is arranged on the movable block (9), and the movable block (9) is connected with the movable groove (8) inner wall in a sliding mode through the sliding block (12) arranged in the sliding groove (11).

6. The wind deflector for the wind turbine generator according to claim 1, wherein: waterproof mechanism includes interior rubber sleeve (13), outer hunch face (14), interior inclined plane (15), interior hunch face (16), outer inclined plane (17) and outer rubber sleeve (18), outer rubber sleeve (18) cover is established at opening part (4) outer wall, interior rubber sleeve (13) set up at opening part (4) inner wall, interior inclined plane (15) set up the first one at opening part (4) inner wall, outer inclined plane (17) set up the lower half at opening part (4), interior hunch face (16) set up the one side at outer inclined plane (17), outer hunch face (14) set up the one side at inner inclined plane (15).

7. The wind deflector for the wind turbine generator according to claim 6, wherein: the inclination angles of the inner inclined plane (15) and the outer inclined plane (17) are fifteen degrees.