CN214464656U

CN214464656U - Wind wheel assembly

Info

Publication number: CN214464656U
Application number: CN202120295863.1U
Authority: CN
Inventors: 薛文超; 张康; 张开开; 李阳春; 皮富强; 金德智; 傅望安; 王海明; 张育钧; 鲍鹏
Original assignee: Huaneng Zhejiang Pinghu Offshore Wind Power Co ltd
Current assignee: Huaneng Zhejiang Pinghu Offshore Wind Power Co ltd
Priority date: 2021-02-02
Filing date: 2021-02-02
Publication date: 2021-10-22
Anticipated expiration: 2031-02-02

Abstract

The utility model provides a wind wheel component relates to wind power generation set's technical field. The wind wheel component comprises a flow guide cover and a variable pitch bearing, wherein a first angle steel and a second angle steel are fixedly connected between the flow guide cover and an outer ring of each variable pitch bearing, a first fixing plate is fixedly connected between the first angle steel and the outer ring, and a second fixing plate is fixedly connected between the second angle steel and the outer ring. In this wind wheel subassembly, first angle steel, first fixed plate and outer lane three constitute the triangle-shaped structure, and second angle steel, second fixed plate and outer lane three also constitute the triangle-shaped structure, and triangle-shaped structural stability is good, and then, kuppe and each become the connection rigidity between the oar bearing and improve, are favorable to guaranteeing smooth electricity generation.

Description

Wind wheel assembly

Technical Field

The utility model relates to a wind power generation set's technical field particularly, relates to a wind wheel subassembly.

Background

In the wind wheel component of the wind generating set, the air guide sleeve can be connected with the outer ring of the variable-pitch bearing so as to be fixed. However, in the prior art, the connection rigidity between the air guide sleeve and the variable-pitch bearing is poor, and normal power generation is easily influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a wind wheel subassembly to solve the kuppe of the wind wheel subassembly that exists among the prior art and become the poor technical problem of the rigidity of being connected between the oar bearing.

The utility model provides a wind wheel subassembly, include the kuppe and become the oar bearing, kuppe and each become first angle steel of equal fixedly connected with and second angle steel between the outer lane of oar bearing, first angle steel with go back the first fixed plate of fixedly connected with between the outer lane, the second angle steel with go back the fixedly connected with second fixed plate between the outer lane.

The utility model provides a wind wheel component can produce following beneficial effect:

the utility model provides a wind wheel subassembly, all set up first angle steel and second angle steel between kuppe and the outer lane of each oar bearing, still set up first fixed plate between first angle steel and the outer lane, still set up the second fixed plate between second angle steel and the outer lane, thereby, first angle steel, first fixed plate and outer lane three constitute the triangle-shaped structure, the second angle steel, second fixed plate and outer lane three also constitute the triangle-shaped structure, triangle-shaped structural stability is good, and then, kuppe and each oar bearing between the connection rigidity improves, be favorable to guaranteeing smooth electricity generation.

Further, the second angle steel and the first angle steel are symmetrically arranged.

According to the technical scheme, the acting forces on the outer ring of the variable-pitch bearing and the air guide sleeve are balanced, so that the connection stability between the variable-pitch bearing and the air guide sleeve is improved.

Furthermore, the ends of the first angle steel and the second angle steel, which are connected with the variable-pitch bearing, are close to each other, and the ends of the first angle steel and the second angle steel, which are connected with the air guide sleeve, are far away from each other.

This technical scheme for first angle steel and second angle steel parallel arrangement, first angle steel and second angle steel set up to one end and are close to each other, the other end is kept away from each other with the contained angle, are more convenient for form the triangle-shaped structure.

Preferably, the first fixing plate is disposed on one side of the first angle steel, which is far away from the second angle steel, and the second fixing plate is disposed on one side of the second angle steel, which is far away from the first angle steel.

Compared with the technical scheme that the first fixing plate and the second fixing plate are arranged adjacently, the length of the first fixing plate and the length of the second fixing plate are shorter, the material consumption is less, and the cost is lower; and, the operating space for installing first fixed plate and second fixed plate is big, convenient operation.

Further, the wind wheel assembly still includes the angle bracket, the angle bracket includes two fixed connection and is the plate that the contained angle set up, one of them plate with outer lane fixed connection, first angle steel with the equal fixed connection of second angle steel is to another plate.

This technical scheme, the angle bracket plays the effect of connecting and become oar bearing and first angle steel and second angle steel, and the angle bracket includes that the structure of two plates makes first angle steel and second angle steel can be connected to the angle bracket earlier, again through angle bracket connection to become the oar bearing, for directly become the oar bearing with first angle steel and second angle steel lug connection, under this technical scheme's the form that sets up, first angle steel, the second angle steel is big with the area of connection that becomes the oar bearing, be favorable to improving the firm in connection.

Furthermore, the second fixing plate and the first fixing plate are arranged symmetrically and symmetrically.

According to the technical scheme, the first fixing plate and the second fixing plate are symmetrical in structure, so that the design can be simplified; and the two are symmetrically arranged, so that the stress balance of the variable pitch bearing and the air guide sleeve is facilitated, and the connection stability between the variable pitch bearing and the air guide sleeve is improved.

Furthermore, the first fixing plate comprises a first plate and a second plate which are arranged at an included angle, the first plate is connected with the variable pitch bearing, and the second plate is connected with one end, far away from the variable pitch bearing, of the first angle steel.

According to the technical scheme, the first plate can be attached to and connected with the outer ring of the variable pitch bearing, and the first fixing plate and the variable pitch bearing are favorably improved in connection firmness. In addition, the second plate is connected with one end, far away from the variable-pitch bearing, of the first angle steel, the first fixing plate and the outer ring, the triangular structure formed by the first angle steel, the first fixing plate and the outer ring is large, and the distance from the joint of the first angle steel and the second plate to the air guide sleeve is short, so that the stability, the strength and the rigidity of the connecting structure formed by the first angle steel, the first fixing plate and the angle support are good.

Furthermore, the first angle steel comprises a third plate and a fourth plate, and the second plate is attached to and connected with the third plate.

This technical scheme is favorable to improving the firm in connection nature of first fixed plate and first angle steel.

Furthermore, a first through hole is formed in the third plate along the center line of the third plate in the length direction, a second through hole is correspondingly formed in the second plate, and a connecting piece penetrates through the first through hole and the second through hole to fixedly connect the third plate and the second plate.

According to the technical scheme, the stress of the first angle steel is relatively balanced.

Preferably, the number of the first through holes is two, and the two first through holes are arranged at intervals along the length direction of the third plate; the number of the second through holes is also two, and the two second through holes correspond to the two first through holes one to one.

According to the technical scheme, the relative position of the third plate and the second plate is stable, and the structure is high in stability and good in rigidity.

Further, the width of the second plate gradually becomes smaller from the end connected with the first plate to the end connected with the first angle steel.

This technical scheme is favorable to reducing the material of second board.

Further, a reinforcing plate is disposed between the first plate and the second plate.

This technical scheme, the reinforcing plate has improved the intensity of first fixed plate to also be favorable to improving overall connection structure's intensity.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.

Fig. 1 is a partial schematic structural view of a wind wheel assembly according to an embodiment of the present invention;

fig. 2 is a second partial schematic structural diagram of a wind wheel assembly according to an embodiment of the present invention.

Description of reference numerals:

100-a dome;

200-a pitch bearing; 210-an outer ring;

310-a first angle steel; 311-a third plate; 320-second angle steel;

410-a first fixation plate; 411-a first plate; 412-a second plate; 413-a reinforcing plate; 420-a second fixing plate;

500-angle bracket.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention more comprehensible, embodiments accompanied with figures are described in detail below. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Fig. 1 is a partial schematic structural view of a wind wheel assembly provided in this embodiment.

The present embodiment provides a wind wheel assembly, as shown in fig. 1, the wind wheel assembly includes a nacelle 100 and a pitch bearing 200, a first angle steel 310 and a second angle steel 320 are fixedly connected between the nacelle 100 and an outer ring 210 of each pitch bearing 200, a first fixing plate 410 is further fixedly connected between the first angle steel 310 and the outer ring 210, and a second fixing plate 420 is further fixedly connected between the second angle steel 320 and the outer ring 210.

The wind wheel assembly that this embodiment provided, all set up first angle steel 310 and second angle steel 320 between kuppe 100 and each outer lane 210 of becoming oar bearing 200, still set up first fixed plate 410 between first angle steel 310 and the outer lane 210, still set up second fixed plate 420 between second angle steel 320 and the outer lane 210, thereby, first angle steel 310, first fixed plate 410 and outer lane 210 three constitute the triangle-shaped structure, second angle steel 320, second fixed plate 420 and outer lane 210 three also constitute the triangle-shaped structure, triangle-shaped structural stability is good, and then, kuppe 100 and each become the connection rigidity between the oar bearing 200 and improve, be favorable to guaranteeing smooth electricity generation.

Fig. 2 is a second partial schematic structural view of the wind wheel assembly provided in this embodiment.

Specifically, in the present embodiment, as shown in fig. 1 and 2, the second angle 320 is symmetrically arranged with respect to the first angle 310. Due to the arrangement, acting forces on the outer ring 210 of the variable pitch bearing 200 and the air guide sleeve 100 are balanced, so that the connection stability between the variable pitch bearing 200 and the air guide sleeve 100 is improved.

Specifically, in the present embodiment, as shown in fig. 1 and 2, the ends of the first angle steel 310 and the second angle steel 320 connected to the pitch bearing 200 are close to each other, and the ends connected to the nacelle 100 are far away from each other. For first angle steel 310 and second angle steel 320 parallel arrangement, first angle steel 310 and second angle steel 320 set up to one end and are close to each other, the other end is kept away from each other for the contained angle ground, are more convenient for form the triangle-shaped structure.

Of course, it should be noted that in other embodiments of the present application, the first angle steel 310 and the second angle steel 320 may be disposed at an end connected to the pitch bearing 200 far away from each other and at an end connected to the nacelle 100 close to each other.

Preferably, in this embodiment, the first fixing plate 410 is disposed on a side of the first angle steel 310 away from the second angle steel 320, and the second fixing plate 420 is disposed on a side of the second angle steel 320 away from the first angle steel 310. Compared with the adjacent arrangement of the first fixing plate 410 and the second fixing plate 420, the arrangement has the advantages that the length of the first fixing plate 410 and the length of the second fixing plate 420 are shorter, the material consumption is less, and the cost is low; in addition, the operation space for installing the first fixing plate 410 and the second fixing plate 420 is large, and the operation is convenient.

Specifically, in this embodiment, as shown in fig. 1 and fig. 2, the wind wheel assembly further includes an angle bracket 500, the angle bracket 500 includes two plate members that are fixedly connected and arranged at an included angle, one of the plate members is fixedly connected with the outer ring 210, and the first angle steel 310 and the second angle steel 320 are both fixedly connected to the other plate member. The angle bracket 500 plays a role in connecting the pitch bearing 200 with the first angle steel 310 and the second angle steel 320, and the angle bracket 500 comprises two plates, so that the first angle steel 310 and the second angle steel 320 can be connected to the angle bracket 500 firstly, and then connected to the pitch bearing 200 through the angle bracket 500, and compared with the mode that the first angle steel 310 and the second angle steel 320 are directly connected to the pitch bearing 200, under the arrangement form of the angle bracket, the connection areas of the first angle steel 310, the second angle steel 320 and the pitch bearing 200 are large, and the connection firmness is favorably improved.

Specifically, in the present embodiment, the second fixing plate 420 and the first fixing plate 410 are symmetrically arranged. The first fixing plate 410 and the second fixing plate 420 have symmetrical structures, so that the design can be simplified; and the two are symmetrically arranged, so that the stress balance between the variable pitch bearing 200 and the air guide sleeve 100 is facilitated, and the connection stability between the two is improved.

Specifically, in this embodiment, as shown in fig. 2, the first fixing plate 410 includes a first plate 411 and a second plate 412 that are arranged at an included angle, the first plate 411 is connected to the pitch bearing 200, and the second plate 412 is connected to an end of the first angle steel 310 away from the pitch bearing 200. Under this kind of arrangement form, first board 411 can become the outer lane 210 laminating connection of oar bearing 200, is favorable to improving the fastness of being connected of first fixed plate 410 and oar bearing 200. In addition, the second plate 412 is connected with one end of the first angle steel 310, which is far away from the pitch bearing 200, the triangular structure formed by the first angle steel 310, the first fixing plate 410 and the outer ring 210 is relatively large, and the distance from the joint of the first angle steel 310 and the second plate 412 to the nacelle 100 is relatively short, so that the stability, the strength and the rigidity of the connection structure formed by the first angle steel 310, the first fixing plate 410 and the angle bracket 500 are relatively good.

Specifically, in this embodiment, the first angle steel 310 includes a third plate 311 and a fourth plate, and the second plate 412 is attached to the third plate 311. So set up, be favorable to improving the fastness of connection of first fixed plate 410 and first angle steel 310.

Specifically, in this embodiment, a first through hole is formed in the third plate 311 along the center line of the length direction thereof, a second through hole is correspondingly formed in the second plate 412, and the connecting member passes through the first through hole and the second through hole to fixedly connect the third plate 311 and the second plate 412. Under the arrangement mode, the stress of the first angle steel 310 is relatively balanced.

More specifically, in the present embodiment, as shown in fig. 2, the number of the first through holes is two, and the two first through holes are arranged at intervals along the length direction of the third plate 311; the number of the second through holes is also two, and the two second through holes correspond to the two first through holes one to one. In this way, the relative position of the third plate 311 and the second plate 412 is stable, and the structure has high stability and good rigidity.

Specifically, in the present embodiment, the width of the second plate 412 gradually decreases from the end connected to the first plate 411 to the end connected to the first angle bar 310. So set up, be favorable to reducing the material of second board 412.

Specifically, in the present embodiment, as shown in fig. 2, a reinforcing plate 413 is provided between the first plate 411 and the second plate 412. The reinforcing plate 413 improves the strength of the first fixing plate 410, thereby also contributing to the strength of the overall coupling structure.

Preferably, the reinforcing plate 413 is extended along the center line of the first plate 411 and the second plate 412. With this arrangement, the first fixing plate 410 has high structural strength.

Finally, it is further noted that, herein, relational terms such as "first" and "second," and the like, may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to the embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. The wind wheel assembly is characterized by comprising a wind guide cover (100) and pitch bearings (200), wherein a first angle steel (310) and a second angle steel (320) are fixedly connected between the wind guide cover (100) and an outer ring (210) of each pitch bearing (200), a first fixing plate (410) is fixedly connected between the first angle steel (310) and the outer ring (210), and a second fixing plate (420) is fixedly connected between the second angle steel (320) and the outer ring (210).

2. The wind wheel assembly according to claim 1, characterized in that said second angle steel (320) is arranged symmetrically to said first angle steel (310).

3. The wind wheel assembly according to claim 2, characterized in that the ends of said first angle steel (310) and said second angle steel (320) connected to said pitch bearing (200) are close to each other and the ends connected to said nacelle (100) are far from each other.

4. The wind wheel assembly of claim 3, further comprising a corner bracket (500), wherein said corner bracket (500) comprises two fixedly connected and angularly disposed plates, one of which is fixedly connected to said outer ring (210), and wherein said first angle steel (310) and said second angle steel (320) are both fixedly connected to the other plate.

5. A wind wheel assembly according to any of claims 2-4, wherein said second fixing plate (420) is structurally symmetrical and symmetrically arranged with respect to said first fixing plate (410).

6. A wind wheel assembly according to claim 5, wherein said first fixing plate (410) comprises a first plate (411) and a second plate (412) arranged at an angle, said first plate (411) being connected to said pitch bearing (200), said second plate (412) being connected to an end of said first angle steel (310) remote from said pitch bearing (200).

7. The wind wheel assembly according to claim 6, characterized in that said first angle (310) comprises a third plate (311) and a fourth plate, said second plate (412) being in abutting connection with said third plate (311).

8. The wind wheel assembly according to claim 7, wherein the third plate (311) is provided with a first through hole along a center line of a length direction thereof, the second plate (412) is correspondingly provided with a second through hole, and a connecting member passes through the first through hole and the second through hole to fixedly connect the third plate (311) and the second plate (412).

9. The wind wheel assembly according to claim 6, characterized in that the width of said second plate (412) is gradually reduced from the end connected with said first plate (411) to the end connected with said first angle iron (310).

10. A wind wheel assembly according to claim 6, characterized in that a stiffening plate (413) is arranged between said first plate (411) and said second plate (412).