Top plate sealing structure of wind power cabin cover

Abstract

The utility model discloses a top plate sealing structure of a wind power cabin cover, which comprises a top plate frame and a side plate upper frame which are fixedly connected, a top plate panel is inserted above the top plate frame, and a side panel is inserted at the bottom of the side plate upper frame; a panel inserting groove is formed in the upper portion, close to the outer side of the cabin cover, of the top plate frame, a water guiding and draining groove communicated with the panel inserting groove is formed below the panel inserting groove, a connecting rectangular groove is formed in the lower portion, close to the outer side of the cabin cover, of the top plate frame, a first connecting T-shaped groove and a guiding groove are formed above the connecting rectangular groove, and the guiding groove is located outside the first connecting T-shaped groove. The inner side of the water guiding and draining groove is provided with a groove; an anti-seepage boss of a trapezoid structure is arranged on the top of the upper frame of the side plate and installed in the guide groove. According to the utility model, the top plate structure and the side plate structure can be well sealed, the waterproof effect can be effectively realized by using the self structure, and the waterproof failure caused by sealant aging can be avoided.

Description

Technical Field

[0001] The utility model relates to a top plate sealing structure of a wind turbine cabin cover, belonging to the technical field of wind turbine cabin covers. Background Art

[0002] As an important part of wind turbine generator set, wind turbine nacelle is the main protective component of wind turbine generator set. When wind turbine generator set is in a bad weather environment, it can ensure the normal operation of generator set and protect internal equipment and personnel from external environmental factors such as wind, rain, snow, salt spray, ultraviolet radiation, etc. Under such environmental conditions, to ensure the normal operation of wind turbine generator set for 20 years, the nacelle must be of high quality and high reliability. The nacelle product is large in size and requires many accessories. There are dozens of accessories for complex models.

[0003] FRP has the characteristics of high strength and corrosion resistance, so it is widely used in the field of wind turbine nacelles. The sealing structure of the FRP nacelle cover is mainly reflected in the module docking part. Generally, the outer PVC tape is used as the first waterproofing, the middle sealant is applied to the outer side of the joint as the second waterproofing, and the EPDM foam tape is used on the docking surface as the third sealing. The materials used are all made of organic materials, which have the property of aging over time, and the sealing structure needs to be maintained and replaced regularly. Among the sealing structures of various parts, the top plate is directly subjected to the erosion of rain and dust, and is the most critical part of waterproof sealing. Because wind power is generally distributed in areas with inconvenient transportation, and the nacelle cover is located at the top of the wind power device, manual maintenance is difficult, costly, and dangerous.

[0004] Therefore, the industry is in urgent need of a top plate sealing structure that requires no maintenance or greatly reduces maintenance, can effectively prevent water from leaking, and will not cause water leakage due to aging of the sealant. Utility Model Content

[0005] In view of the deficiencies in the background technology, the utility model provides a top plate sealing structure of a wind turbine nacelle cover, which can well seal the top plate structure and the side plate structure, can effectively waterproof by utilizing its own structure, and will not cause waterproof failure due to aging of sealant.

[0006] In order to solve the above technical problems, the utility model adopts the following technical solutions:

[0007] A top plate sealing structure of a wind turbine nacelle cover comprises a top plate frame and a side plate upper frame which are fixedly connected, a top plate panel is plugged into the top of the top plate frame, and a side plate is plugged into the bottom of the side plate upper frame;

[0008] A panel plug-in slot is provided above the top plate frame near the outer side of the nacelle cover, and a water guide and drainage slot connected to the panel plug-in slot is provided below the panel plug-in slot;

[0009] A connecting rectangular groove is provided below the top plate frame near the outer side of the nacelle cover, and a first connecting T-shaped groove and a guide groove are provided above the connecting rectangular groove. The guide groove is located outside the first connecting T-shaped groove and inside the water guide and drainage groove.

[0010] Furthermore, the top panel frame and the side panel upper frame are fixedly connected by a T-bolt pair, and the outer surfaces of the top panel frame and the side panel upper frame are arranged flush.

[0011] Furthermore, the top panel is arranged at an inclination, and the upper frame of the side panel is arranged along the vertical direction.

[0012] Furthermore, a drainage hole is provided on the outer wall of the water guide and drainage groove.

[0013] Furthermore, a limiting boss is provided at the end of the panel plug-in slot, and the limiting boss limits the insertion position of the top plate panel.

[0014] Furthermore, a second connecting T-shaped groove is provided on the end surface of the top plate frame close to the inner side of the nacelle cover.

[0015] Furthermore, a T-bolt pair is installed in the first connecting T-slot, and the T-bolt pair connects the top plate frame with the top of the upper frame of the side plate.

[0016] Furthermore, a trapezoidal anti-seepage boss is provided on the top of the upper frame of the side panel, and the anti-seepage boss is installed in the guide groove.

[0017] Furthermore, a third connecting T-shaped groove is provided at the bottom of the upper frame of the side panel.

[0018] Compared with the prior art, the utility model has the following advantages after adopting the above technical solution:

[0019] The top plate frame and the cabin cover top plate panel are easy to assemble and have high strength;

[0020] The top panel frame can perfectly match the upper frame of the side panel, which is convenient for combined installation;

[0021] The top panel frame can effectively guide and drain water, ensuring that the inside of the cabin cover does not leak even in heavy rain.

[0022] The top panel frame structure is easy to install and uses the aluminum alloy structure itself for waterproofing, which will not cause waterproofing failure due to aging of the sealant.

[0023] The utility model is described in detail below with reference to the accompanying drawings and embodiments. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 It is a structural stereogram of the utility model;

[0025] Figure 2 It is a three-dimensional diagram of the utility model along another direction;

[0026] Figure 3 It is the structural front view of the utility model;

[0027] Figure 4 It is a cross-sectional schematic diagram of the top plate frame.

[0028] In the figure, 1-top plate frame, 11-panel plug-in groove, 12-water guide and drainage groove, 13-limiting boss, 14-connecting rectangular groove, 15-first connecting T-slot, 16-guide groove, 17-second connecting T-slot, 18-drainage hole; 2-side panel upper frame, 21-anti-seepage boss, 22-third connecting T-slot; 3-side panel; 4-top panel; 5-T-bolt pair. DETAILED DESCRIPTION

[0029] In order to have a clearer understanding of the technical features, purposes and effects of the utility model, the specific implementation methods of the utility model are now described with reference to the accompanying drawings.

[0030] like Figure 1-Figure 4 As shown together, the utility model provides a top plate sealing structure of a wind turbine nacelle cover, including a top plate frame 1 and a side panel upper frame 2 that are fixedly connected, the top plate frame 1 is plugged with an inclined top plate panel 4, and the bottom of the side panel upper frame 2 is plugged with a side panel 3 arranged along the vertical direction.

[0031] The top panel frame 1 and the side panel upper frame 2 are fixedly connected by a T-bolt pair 5, and the outer surfaces of the top panel frame 1 and the side panel upper frame 2 are arranged flush.

[0032] The top panel frame 1 is provided with a panel insertion groove 11 at the upper part close to the outer side of the nacelle cover, and the panel insertion groove 11 is used for the inclined insertion of the top panel 4.

[0033] A water guide and drainage groove 12 connected thereto is provided below the panel plug-in groove 11 , and a drainage hole 18 is provided on the outer wall of the water guide and drainage groove 12 , and the drainage hole 18 is used to discharge rainwater collected in the water guide and drainage groove 12 to avoid rainwater accumulation.

[0034] A limiting boss 13 is provided at the end of the panel insertion slot 11 , and the limiting boss 13 is used to limit the insertion position of the top plate panel 4 .

[0035] A second connecting T-shaped groove 17 is provided on the end surface of the top plate frame 1 close to the inner side of the nacelle cover, and the second connecting T-shaped groove 17 is used to connect the top plate frame 1 with the top plate supporting cross beam.

[0036] The top plate frame 1 is provided with a connecting rectangular groove 14 below the outer side of the nacelle cover, and a first connecting T-shaped groove 15 and a guide groove 16 are provided above the connecting rectangular groove 14 . The guide groove 16 is located outside the first connecting T-shaped groove 15 and inside the water guide and drainage groove 12 .

[0037] A T-bolt pair 5 is installed in the first connecting T-slot 15 , and the T-bolt pair 5 connects the top plate frame 1 with the top of the side plate upper frame 2 .

[0038] A trapezoidal anti-seepage boss 21 is provided on the top of the side panel upper frame 2. The anti-seepage boss 21 is installed in the guide groove 16. The concave-convex matching structure prevents rainwater from leaking to the inside of the cabin cover, thereby achieving a waterproof effect.

[0039] A third connecting T-shaped groove 22 is provided at the bottom of the side panel upper frame 2, and the third connecting T-shaped groove 22 connects the side panel upper frame 2 with the side panel supporting crossbeam.

[0040] The specific working principle of this utility model:

[0041] Assemble and fix the top plate frame 1 and the top plate panel 4 together to form a cabin cover top plate structure; assemble and fix the side panel upper frame 2 and the side panel 3 together to form a side panel structure; combine and assemble the cabin cover top plate structure and the side panel structure together, and fasten them to form a whole.

[0042] The water guide and drainage groove 12 in the utility model is located outside the guide groove 16, ensuring that rainwater is collected in the water guide and drainage groove 12 and discharged in time through the drainage hole 18. The guide groove 16 and the anti-seepage boss 21 on the top of the upper frame 2 of the side panel are matched with each other in a concave-convex manner to prevent rainwater from leaking to the inside of the cabin cover, thereby achieving a waterproof effect.

[0043] The above is an example of the best implementation of the utility model, and the parts not described in detail are common knowledge of ordinary technicians in this field. The protection scope of the utility model is based on the content of the claims, and any equivalent transformation based on the technical inspiration of the utility model is also within the protection scope of the utility model.

Claims

1. A top plate sealing structure of a wind turbine nacelle, characterized in that: The invention comprises a top plate frame (1) and a side plate upper frame (2) which are fixedly connected, a top plate panel (4) being plugged into the top of the top plate frame (1), and a side plate panel (3) being plugged into the bottom of the side plate upper frame (2); a panel plugging groove (11) is provided at the top of the top plate frame (1) near the outside of the cabin cover, and a water guide and drainage groove (12) which is connected to the panel plugging groove (11) is provided below the panel plugging groove (11); a connecting rectangular groove (14) is provided at the bottom of the top plate frame (1) near the outside of the cabin cover, and a first connecting T-shaped groove (15) and a guide groove (16) are provided above the connecting rectangular groove (14), and the guide groove (16) is located outside the first connecting T-shaped groove (15) and inside the water guide and drainage groove (12).

2. A top plate sealing structure of a wind turbine nacelle cover according to claim 1, characterized in that: The top panel frame (1) and the side panel upper frame (2) are fixedly connected by a T-bolt pair (5), and the outer surfaces of the top panel frame (1) and the side panel upper frame (2) are arranged flush.

3. The top plate sealing structure of a wind turbine nacelle cover according to claim 1, characterized in that: The top panel (4) is arranged in an inclined manner, and the upper frame (2) of the side panel is arranged along the vertical direction.

4. The top plate sealing structure of a wind turbine nacelle according to claim 1, characterized in that: A drainage hole (18) is provided on the outer wall of the water guide and drainage groove (12).

5. The top plate sealing structure of a wind turbine nacelle cover according to claim 1, characterized in that: A limiting boss (13) is provided at the end of the panel insertion slot (11), and the limiting boss (13) limits the insertion position of the top plate panel (4).

6. The top plate sealing structure of a wind turbine nacelle cover according to claim 1, characterized in that: A second connecting T-shaped groove (17) is provided on the end surface of the top plate frame (1) close to the inner side of the nacelle cover.

7. The top plate sealing structure of a wind turbine nacelle cover according to claim 1, characterized in that: A T-bolt pair (5) is installed in the first connecting T-slot (15), and the T-bolt pair (5) connects the top plate frame (1) with the top of the side plate upper frame (2).

8. The top plate sealing structure of a wind turbine nacelle cover according to claim 1, characterized in that: An anti-seepage boss (21) with a trapezoidal structure is provided on the top of the upper frame (2) of the side plate, and the anti-seepage boss (21) is installed in the guide groove (16).

9. The top plate sealing structure of a wind turbine nacelle cover according to claim 1, characterized in that: A third connecting T-shaped groove (22) is provided at the bottom of the upper frame (2) of the side plate.

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