Latticed reinforcing rib structure of wind-resistant cabin cover

Abstract

The utility model discloses a grid-shaped reinforcing rib structure of a wind-resistant cabin cover, which relates to the technical field of grid-shaped reinforcing ribs of wind-resistant cabin covers and comprises a wind resistance component, a grid component and a main body component. The wind resistance assembly comprises a plurality of first arc-shaped rods, and a plurality of connecting balls are installed on one side of the first arc-shaped rods and one side of the second arc-shaped rods. The multiple arc-shaped reinforcing ribs are arranged in the cabin cover body, the multiple fixing blocks are installed on the outer surface walls of the multiple arc-shaped reinforcing ribs, and the first reinforcing ribs and the second reinforcing ribs are arranged to be in a grid shape, so that the structural rigidity and the bearing capacity of the cabin cover body can be remarkably improved, and especially when the cabin cover faces complex wind loads, the structure is more stable. The wind pressure can be effectively dispersed and resisted, the cover body is prevented from being deformed or damaged, as the first reinforcing ribs and the second reinforcing ribs are distributed in a latticed mode, loads such as external wind power can be evenly transmitted to the whole cover body structure, local stress concentration is reduced, and the fatigue life of the structure is prolonged.

Description

Technical Field

[0001] The utility model relates to the technical field of grid-shaped reinforcement ribs for wind-resistant nacelle covers, and in particular to a grid-shaped reinforcement rib structure for wind-resistant nacelle covers. Background Art

[0002] The nacelle of a wind turbine is the protective shell of the wind turbine generator set. In order to ensure its good reliability and service life, the material is usually a mixture of glass fiber and resin (i.e., fiberglass). It is generally made by initially forming it through a nacelle mold. The reinforcement rib refers to a reinforcement plate added to the common vertical surface of the two combined bodies during the structural design process. It is mainly used to increase the strength of the joint surface when the overhanging surface of the structure is too large or the span is too large. The reinforcement ribs of the existing wind turbine nacelle are purchased by purchasing a matrix prepared by foaming technology, and then manually trimmed and pieced together into the shape shown according to the drawing specifications provided by the customer.

[0003] However, in the prior art, the installation of existing reinforcement ribs is not convenient for assembly and disassembly, nor is it conducive to improving the structural strength. It cannot reduce the weight while ensuring the structural strength. At the same time, it cannot be optimized according to the fluid mechanics characteristics, which increases wind resistance and reduces wind energy conversion efficiency. Utility Model Content

[0004] The utility model aims to solve the problems existing in the above-mentioned prior art and proposes a wind-resistant nacelle cover grid-shaped reinforcement rib structure.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical solutions: a wind-resistant cabin cover grid-shaped reinforcement rib structure, including a wind resistance component, a grid component and a main body component; the wind resistance component includes a plurality of first arc-shaped rods, a plurality of second arc-shaped rods are installed on one side of the plurality of first arc-shaped rods, and a plurality of connecting balls are installed on one side of the plurality of first arc-shaped rods and a plurality of second arc-shaped rods; the grid component includes a plurality of first reinforcement ribs, a plurality of second reinforcement ribs are installed on one side of the plurality of first reinforcement ribs, and a plurality of connecting bolts are arranged on one side of the plurality of first reinforcement ribs; the main body component includes a cabin cover body, a plurality of arc-shaped reinforcement ribs are arranged inside the cabin cover body, and a plurality of fixing blocks are installed on the outer wall of the plurality of arc-shaped reinforcement ribs.

[0006] Preferably, the plurality of first arc-shaped rods and the plurality of second arc-shaped rods are installed alternately, and the plurality of connecting balls are rotatably connected to the plurality of first arc-shaped rods.

[0007] Preferably, the plurality of connecting balls are rotatably connected to the plurality of second arc-shaped rods, and the plurality of the second reinforcing ribs are staggeredly installed with the plurality of first reinforcing ribs.

[0008] Preferably, the plurality of connecting bolts are threadedly connected to the plurality of first reinforcing ribs, and a plurality of fixing bolts are arranged on one side of the plurality of fixing blocks.

[0009] Preferably, the plurality of fixing bolts are threadedly connected to the plurality of fixing blocks, and the cabin cover body is fit-connected to the plurality of first reinforcing ribs.

[0010] Preferably, a plurality of the second reinforcing ribs are fitted and connected to the nacelle cover body, and a plurality of the connecting bolts are threadedly connected to the nacelle cover body.

[0011] Preferably, the plurality of connecting balls are rotatably connected to the nacelle cover body, and the plurality of arc-shaped reinforcing ribs are fixedly connected to the nacelle cover body.

[0012] Compared with the prior art, the advantages and positive effects of the utility model are:

[0013] 1. In the utility model, the first reinforcing ribs and the second reinforcing ribs are arranged in a grid shape, which can significantly enhance the structural rigidity and bearing capacity of the cabin cover body, especially when facing complex wind loads, it can effectively disperse and resist wind pressure and prevent the cover body from deformation or damage. Since the first reinforcing ribs and the second reinforcing ribs are distributed in a grid shape, the external wind force and other loads can be evenly transferred to the entire cover structure, reducing local stress concentration and improving the fatigue life of the structure.

[0014] 2. In the utility model, the first arc rod and the second arc rod are movably connected with a plurality of connecting balls, which can simplify the production process, reduce assembly links, improve production efficiency and product quality, and can be flexibly designed according to actual needs to adapt to different cabin cover sizes and shapes. At the same time, it can also be optimized according to fluid mechanics characteristics to reduce wind resistance and improve wind energy conversion efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 The utility model provides a schematic diagram of the overall structure of a wind-resistant nacelle cover grid-shaped reinforcement rib structure;

[0016] Figure 2 A schematic structural diagram of a wind resistance component of a wind-resistant nacelle cover grid-shaped reinforcement rib structure is proposed for the utility model;

[0017] Figure 3 A schematic diagram of the structure of a grid assembly of a grid-shaped reinforcement structure of a wind-resistant nacelle cover proposed by the utility model;

[0018] Figure 4 The utility model provides a structural schematic diagram of a main body component of a grid-shaped reinforcement rib structure for a wind-resistant nacelle cover.

[0019] Legend: 1. Wind resistance assembly; 101. First arc rod; 102. Second arc rod; 103. Connecting ball; 2. Grid assembly; 201. First reinforcing rib; 202. Second reinforcing rib; 203. Connecting bolt; 3. Main body assembly; 301. Cabin cover body; 302. Arc-shaped reinforcing rib; 303. Fixing block; 304. Fixing bolt. DETAILED DESCRIPTION

[0020] In order to more clearly understand the above-mentioned purpose, features and advantages of the utility model, the utility model is further described below in conjunction with the accompanying drawings and embodiments. It should be noted that the embodiments of the present application and the features in the embodiments can be combined with each other without conflict.

[0021] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways than those described herein. Therefore, the present invention is not limited to the specific embodiments of the following disclosure.

[0022] Embodiment 1, as Figure 1-Figure 4 As shown, the utility model provides a wind-resistant cabin cover grid-shaped reinforcement rib structure, including a wind resistance component 1, a grid component 2 and a main body component 3; the wind resistance component 1 includes a plurality of first arc-shaped rods 101, a plurality of second arc-shaped rods 102 are installed on one side of the plurality of first arc-shaped rods 101, and a plurality of connecting balls 103 are installed on one side of the plurality of first arc-shaped rods 101 and the plurality of second arc-shaped rods 102; the grid component 2 includes a plurality of first reinforcement ribs 201, a plurality of second reinforcement ribs 202 are installed on one side of the plurality of first reinforcement ribs 201, and a plurality of connecting bolts 203 are arranged on one side of the plurality of first reinforcement ribs 201; the main body component 3 includes a cabin cover body 301, a plurality of arc-shaped reinforcement ribs 302 are arranged inside the cabin cover body 301, and a plurality of fixing blocks 303 are installed on the outer wall of the plurality of arc-shaped reinforcement ribs 302.

[0023] The effect achieved by the entire embodiment 1 is that, in the wind resistance component 1, the grid component 2 and the main body component 3; the wind resistance component 1 includes a plurality of first arc-shaped rods 101, a plurality of second arc-shaped rods 102 are installed on one side of the plurality of first arc-shaped rods 101, and a plurality of connecting balls 103 are installed on one side of the plurality of first arc-shaped rods 101 and the plurality of second arc-shaped rods 102; the grid component 2 includes a plurality of first reinforcing ribs 201, a plurality of second reinforcing ribs 202 are installed on one side of the plurality of first reinforcing ribs 201, and a plurality of connecting bolts 203 are arranged on one side of the plurality of first reinforcing ribs 201; the main body component 3 includes a cabin cover body 301, a cabin A plurality of arc-shaped reinforcing ribs 302 are arranged inside the cover body 301, and a plurality of fixing blocks 303 are installed on the outer wall of the plurality of arc-shaped reinforcing ribs 302. The first reinforcing ribs 201 and the second reinforcing ribs 202 are arranged in a grid shape, which can significantly enhance the structural rigidity and bearing capacity of the cabin cover body 301, especially when facing complex wind loads, and can effectively disperse and resist wind pressure to prevent deformation or damage of the cover body. Since the first reinforcing ribs 201 and the second reinforcing ribs 202 are distributed in a grid shape, external wind loads and other loads can be evenly transferred to the entire cover structure, thereby reducing local stress concentration and improving the fatigue life of the structure.

[0024] Embodiment 2, as Figure 1-Figure 4 As shown, multiple first arc rods 101 are installed alternately with multiple second arc rods 102, multiple connecting balls 103 are rotatably connected to multiple first arc rods 101, multiple connecting balls 103 are rotatably connected to multiple second arc rods 102, multiple second reinforcing ribs 202 are installed alternately with multiple first reinforcing ribs 201, multiple connecting bolts 203 are threadedly connected to multiple first reinforcing ribs 201, multiple fixing bolts 304 are arranged on one side of multiple fixing blocks 303, multiple fixing bolts 304 are threadedly connected to multiple fixing blocks 303, the cabin cover body 301 is fitted and connected to multiple first reinforcing ribs 201, multiple second reinforcing ribs 202 are fitted and connected to the cabin cover body 301, multiple connecting bolts 203 are threadedly connected to the cabin cover body 301, multiple connecting balls 103 are rotatably connected to the cabin cover body 301, and multiple arc reinforcing ribs 302 are fixedly connected to the cabin cover body 301.

[0025] The effect achieved by the entire embodiment 2 is that the multiple first arc rods 101 are staggeredly installed with the multiple second arc rods 102, the multiple connecting balls 103 are rotatably connected with the multiple first arc rods 101, the multiple connecting balls 103 are rotatably connected with the multiple second arc rods 102, the multiple second reinforcing ribs 202 are staggeredly installed with the multiple first reinforcing ribs 201, the multiple connecting bolts 203 are threadedly connected with the multiple first reinforcing ribs 201, a plurality of fixing bolts 304 are arranged on one side of the multiple fixing blocks 303, the multiple fixing bolts 304 are threadedly connected with the multiple fixing blocks 303, the cabin cover body 301 is fitted and connected with the multiple first reinforcing ribs 201, and the multiple The second reinforcing rib 202 is fittedly connected to the cabin cover body 301, multiple connecting bolts 203 are threadedly connected to the cabin cover body 301, multiple connecting balls 103 are rotatably connected to the cabin cover body 301, and multiple arc-shaped reinforcing ribs 302 are fixedly connected to the cabin cover body 301. The first arc-shaped rod 101 and the second arc-shaped rod 102 are movably connected to the multiple connecting balls 103. This can simplify the production process, reduce assembly links, improve production efficiency and product quality, and can be flexibly designed according to actual needs to adapt to different cabin cover sizes and shapes. It can also be optimized according to fluid mechanics characteristics to reduce wind resistance and improve wind energy conversion efficiency.

[0026] Working principle: In the wind resistance component 1, the grid component 2 and the main body component 3; the wind resistance component 1 includes a plurality of first arc rods 101, a plurality of second arc rods 102 are installed on one side of the plurality of first arc rods 101, and a plurality of connecting balls 103 are installed on one side of the plurality of first arc rods 101 and the plurality of second arc rods 102; the grid component 2 includes a plurality of first reinforcing ribs 201, a plurality of second reinforcing ribs 202 are installed on one side of the plurality of first reinforcing ribs 201, and a plurality of connecting bolts 203 are arranged on one side of the plurality of first reinforcing ribs 201; the main body component 3 includes a cabin cover body 301, and the interior of the cabin cover body 301 is provided with A plurality of arc-shaped reinforcing ribs 302 are arranged, and a plurality of fixing blocks 303 are installed on the outer wall of the plurality of arc-shaped reinforcing ribs 302. The first reinforcing ribs 201 and the second reinforcing ribs 202 are arranged in a grid shape, which can significantly enhance the structural rigidity and bearing capacity of the cabin cover body 301. In particular, when facing complex wind loads, the wind pressure can be effectively dispersed and resisted to prevent the cover body from being deformed or damaged. Since the first reinforcing ribs 201 and the second reinforcing ribs 202 are distributed in a grid shape, the external wind force and other loads can be evenly transferred to the entire cover structure, thereby reducing local stress concentration and improving the fatigue life of the structure. The plurality of first arc-shaped rods 10 1 is staggeredly installed with multiple second arc rods 102, multiple connecting balls 103 are rotatably connected with multiple first arc rods 101, multiple connecting balls 103 are rotatably connected with multiple second arc rods 102, multiple second reinforcing ribs 202 are staggeredly installed with multiple first reinforcing ribs 201, multiple connecting bolts 203 are threadedly connected with multiple first reinforcing ribs 201, multiple fixing bolts 304 are arranged on one side of multiple fixing blocks 303, multiple fixing bolts 304 are threadedly connected with multiple fixing blocks 303, the cabin cover body 301 is fitted and connected with multiple first reinforcing ribs 201, and multiple second reinforcing ribs 202 are connected with the cabin cover The main body 301 is fitted and connected, multiple connecting bolts 203 are threadedly connected to the cabin cover main body 301, multiple connecting balls 103 are rotatably connected to the cabin cover main body 301, and multiple arc-shaped reinforcing ribs 302 are fixedly connected to the cabin cover main body 301. The first arc-shaped rod 101 and the second arc-shaped rod 102 are movably connected to the multiple connecting balls 103, which can simplify the production process, reduce assembly links, improve production efficiency and product quality, and can be flexibly designed according to actual needs to adapt to different cabin cover sizes and shapes. At the same time, it can also be optimized according to fluid mechanics characteristics to reduce wind resistance and improve wind energy conversion efficiency.

[0027] The above description is only a preferred embodiment of the present invention and does not limit the present invention in other forms. Any technician familiar with the profession may use the technical content disclosed above to change or modify it into an equivalent embodiment with equivalent changes and apply it to other fields. However, any simple modification, equivalent change and modification made to the above embodiment based on the technical essence of the present invention without departing from the content of the technical solution of the present invention still falls within the protection scope of the technical solution of the present invention.

Claims

1. A wind-resistant nacelle cover grid-shaped reinforcement rib structure, characterized in that: It comprises a wind resistance component (1), a grid component (2) and a main body component (3); The wind resistance assembly (1) comprises a plurality of first arc-shaped rods (101), a plurality of second arc-shaped rods (102) are mounted on one side of the plurality of first arc-shaped rods (101), and a plurality of connecting balls (103) are mounted on one side of the plurality of first arc-shaped rods (101) and the plurality of second arc-shaped rods (102); The grid assembly (2) comprises a plurality of first reinforcing ribs (201), a plurality of second reinforcing ribs (202) are installed on one side of the plurality of first reinforcing ribs (201), and a plurality of connecting bolts (203) are arranged on one side of the plurality of first reinforcing ribs (201); The main body assembly (3) comprises a nacelle cover body (301), a plurality of arc-shaped reinforcing ribs (302) are arranged inside the nacelle cover body (301), and a plurality of fixing blocks (303) are installed on the outer wall of the plurality of arc-shaped reinforcing ribs (302).

2. The wind-resistant nacelle cover grid-shaped reinforcement rib structure according to claim 1, characterized in that: The plurality of first arc-shaped rods (101) and the plurality of second arc-shaped rods (102) are installed alternately, and the plurality of connecting balls (103) are rotatably connected to the plurality of first arc-shaped rods (101).

3. The wind-resistant nacelle cover grid-shaped reinforcement rib structure according to claim 1, characterized in that: The plurality of connection balls (103) are rotatably connected to the plurality of second arc-shaped rods (102), and the plurality of second reinforcing ribs (202) and the plurality of first reinforcing ribs (201) are installed in an alternating manner.

4. The wind-resistant nacelle cover grid-shaped reinforcement rib structure according to claim 1, characterized in that: The plurality of connecting bolts (203) are threadedly connected to the plurality of first reinforcing ribs (201), and a plurality of fixing bolts (304) are disposed on one side of the plurality of fixing blocks (303).

5. The wind-resistant nacelle cover grid-shaped reinforcement rib structure according to claim 4, characterized in that: The plurality of fixing bolts (304) are threadedly connected to the plurality of fixing blocks (303), and the nacelle cover body (301) is fittedly connected to the plurality of first reinforcing ribs (201).

6. The wind-resistant nacelle cover grid-shaped reinforcement rib structure according to claim 1, characterized in that: The plurality of the second reinforcing ribs (202) are fitted and connected to the nacelle cover body (301), and the plurality of the connecting bolts (203) are threadedly connected to the nacelle cover body (301).

7. The wind-resistant nacelle cover grid-shaped reinforcement rib structure according to claim 1, characterized in that: The plurality of connection balls (103) are rotatably connected to the nacelle cover body (301), and the plurality of arc-shaped reinforcing ribs (302) are fixedly connected to the nacelle cover body (301).

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