Fan tower yaw platform sealing device

Abstract

The utility model provides a fan tower cylinder yaw platform sealing device, which relates to the technical field of sealing devices, and comprises an inner sealing sleeve and an outer sealing sleeve, the inner side surface of the inner sealing sleeve is provided with an inner anti-wear layer, the lower part of the inner sealing sleeve is provided with a lower embedded edge, the lower part of the outer sealing sleeve is provided with a lower covered edge, and the inner anti-wear layer is provided with an outer anti-wear layer. A sealing layer is arranged on the inner side face of the lower covering edge, an inner connecting opening is formed in the sealing layer, the lower embedded edge is screwed into the inner connecting opening through threads, an oil collecting cavity is formed between the outer ring face of the inner sealing sleeve and the inner side wall of the outer sealing sleeve, and the inner sealing sleeve and the outer sealing sleeve are detachably connected. An inner protruding strip is arranged on the upper portion of the outer ring face of the inner sealing sleeve, and the inner sealing sleeve is made of chloroprene rubber materials. According to the utility model, the strength of the inner and outer sealing sleeves is enhanced, the sealing sleeve is resistant to high temperature, oil and abrasion, the service life is longer, and the sealing sleeve is convenient and quick to assemble or disassemble so as to be regularly and comprehensively cleaned, and is more convenient and trouble-saving to use.

Description

Technical Field

[0001] The utility model relates to the technical field of sealing devices, and particularly relates to a yaw platform sealing device for a wind turbine tower barrel. Background Art

[0002] Wind power generation generally includes a tower barrel, a nacelle, blades, a transmission system, a generator, etc. The blades are installed and supported through the nacelle. The transmission system and the generator are both installed inside the nacelle, and the nacelle is installed on the top of the tall tower barrel. A yaw system of the wind turbine, also called a wind-aligning device, is installed inside the nacelle. Its function is to quickly and smoothly align with the wind direction when the direction of the wind speed vector changes, so that the wind turbine can obtain the maximum wind energy.

[0003] In the prior art (publication number CN216714608U), it is mentioned in the specification of a yaw platform sealing device for a wind turbine tower barrel that "a rubber body; the rubber body forms a first sealing ring part and a second sealing ring part; an oil collecting groove is formed between the first sealing ring part and the second sealing ring part for receiving dripping grease; the first sealing ring part, the second sealing ring part and the oil collecting groove are integrally formed; an arc-shaped suction cup is formed at the bottom of the oil collecting groove to realize the adsorption of the device on the upper surface of the tower barrel", but the oil collecting groove provided in the sealing device in the prior art is inconvenient for cleaning the inner side, is also easy to splash out after being filled with grease, and is not strong and firm because it is completely made of rubber material, is easy to be damaged, and is difficult to be used for a long time. Summary of the Utility Model

[0004] In order to overcome the defects existing in the prior art, a yaw platform sealing device for a wind turbine tower barrel is provided to solve the problems that the oil collecting groove provided in the sealing device in the prior art is inconvenient for cleaning the inner side, is also easy to splash out after being filled with grease, and is not strong and firm because it is completely made of rubber material, is easy to be damaged, and is difficult to be used for a long time.

[0005] To achieve the above object, a yaw platform sealing device for a wind turbine tower barrel is provided, which includes an inner sealing sleeve and an outer sealing sleeve. An inner anti-wear layer is arranged on the inner side surface of the inner sealing sleeve, and a lower inlay edge is arranged at the lower part of the inner sealing sleeve. A lower wrapping edge is arranged at the lower part of the outer sealing sleeve, and a sealing layer is arranged on the inner side surface of the lower wrapping edge. An inner connection port is arranged on the sealing layer, and the lower inlay edge is screwed into the inner connection port through threads. An oil collecting cavity is arranged between the outer ring surface of the inner sealing sleeve and the inner side wall of the outer sealing sleeve, and the inner sealing sleeve and the outer sealing sleeve are detachably connected.

[0006] Furthermore, an inner convex strip is arranged at the upper part of the outer ring surface of the inner sealing sleeve, and the inner sealing sleeve is made of neoprene material.

[0007] Furthermore, multiple groups of first reinforcing wires are arranged inside the inner sealing sleeve, and the first reinforcing wires adopt a steel wire ring structure.

[0008] Furthermore, an upper crimp is provided on the upper part of the outer ring surface of the outer sealing sleeve, and an outer wear-resistant block is provided on the lower part of the outer ring surface of the outer sealing sleeve.

[0009] Furthermore, outlet pipe orifices are provided on the lower parts of the left and right sides of the outer ring surface of the outer sealing sleeve, and the other ends of the outlet pipe orifices lead to the oil collecting cavity.

[0010] Furthermore, an outer convex strip is provided on the upper part of the inner side wall of the outer sealing sleeve, and both the outer convex strip and the inner convex strip adopt a convex strip structure with a semicircular cross-section.

[0011] Furthermore, the outer sealing sleeve is made of fluororubber, and multiple groups of second reinforcing wires are arranged inside the outer sealing sleeve, and the second reinforcing wires adopt an iron wire ring structure.

[0012] The beneficial effects of the present utility model are as follows:

[0013] 1. In the present utility model, the inner sealing sleeve is sleeved on the yaw platform of the wind turbine tower barrel. The wear resistance is enhanced by adding an inner anti-wear layer inside the inner sealing sleeve, and the folding resistance strength of the inner sealing sleeve itself is enhanced by sleeving multiple turns of first reinforcing wires inside the inner sealing sleeve, making it more durable.

[0014] 2. The upper crimp and the outer wear-resistant block in the present utility model are provided to strengthen the protection of the inner sealing sleeve to avoid being damaged by external factors, and the outlet pipe orifice is provided to facilitate communication with the oil collecting cavity so as to regularly discharge the grease in the oil collecting cavity, which is more convenient and time-saving.

[0015] 3. The material of the outer sealing sleeve in the present utility model is resistant to high temperature and oil. The durability strength is improved by arranging second reinforcing wires inside, and the outer convex strip and the inner connection port are only provided to prevent the grease accumulated in the oil collecting cavity from splashing out easily, and the thickness of the inner sealing sleeve and the outer sealing sleeve can be appropriately increased to make it more durable. Description of the Drawings

[0016] Figure 1 is the effect diagram of the embodiment of the present utility model;

[0017] Figure 2 is the cross-sectional schematic diagram of the embodiment of the present utility model;

[0018] Figure 3 is the internal structure schematic diagram of the inner sealing sleeve of the embodiment of the present utility model;

[0019] Figure 4 is the internal structure schematic diagram of the outer sealing sleeve of the embodiment of the present utility model.

[0020] In the figure: 1. Inner sealing sleeve; 10. Inner anti-wear layer; 11. Lower inlay edge; 12. First reinforcing wire; 13. Inner rib; 2. Outer sealing sleeve; 20. Outlet pipe orifice; 21. Lower wrapping edge; 22. Sealing layer; 23. Inner connection port; 24. Outer wear-resistant block; 25. Upper curling edge; 26. Second reinforcing wire; 27. Outer rib; 3. Oil collecting cavity. Detailed implementation manners

[0021] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. The specific embodiments described herein are only used to explain the present utility model and are not used to limit the present utility model. Specific details such as specific system structures and technologies are proposed to more thoroughly understand the embodiments of the present utility model. The described embodiments are part of the embodiments of the present disclosure, rather than all of the embodiments. However, those skilled in the art should clearly understand that the present utility model can also be implemented in other embodiments without these specific details. Based on the embodiments in the present disclosure, all other embodiments obtained by those skilled in the art without creative efforts belong to the scope of protection of the present disclosure.

[0022] The following will describe in detail the specific implementation manners of the present utility model with reference to the accompanying drawings.

[0023] Figure 1 is the effect diagram of the embodiment of the present utility model, Figure 2 is the cross-sectional schematic diagram of the embodiment of the present utility model, Figure 3 is the internal structure schematic diagram of the inner sealing sleeve of the embodiment of the present utility model and Figure 4 is the internal structure schematic diagram of the outer sealing sleeve of the embodiment of the present utility model.

[0024] Referring to Figures 1 to 4 As shown, the present utility model provides a yaw platform sealing device for a wind turbine tower barrel, including an inner sealing sleeve 1 and an outer sealing sleeve 2. An inner anti-wear layer 10 is provided on the inner side surface of the inner sealing sleeve 1, and a lower inlay edge 11 is provided at the lower part of the inner sealing sleeve 1. A lower wrapping edge 21 is provided at the lower part of the outer sealing sleeve 2, and a sealing layer 22 is provided on the inner side surface of the lower wrapping edge 21. An inner connection port 23 is provided on the sealing layer 22, and the lower inlay edge 11 is screwed into the inner connection port 23 by threads. An oil collecting cavity 3 is provided between the outer ring surface of the inner sealing sleeve 1 and the inner side wall of the outer sealing sleeve 2, and the inner sealing sleeve 1 and the outer sealing sleeve 2 are detachably connected.

[0025] In this embodiment, an inner rib 13 is provided at the upper part of the outer ring surface of the inner sealing sleeve 1, and the inner sealing sleeve 1 is made of chloroprene rubber. Multiple groups of first reinforcing wires 12 are provided in the inner sealing sleeve 1, and the first reinforcing wires 12 adopt a steel wire ring structure.

[0026] As a preferred embodiment, the inner seal sleeve 1 of the present utility model is sleeved on the yaw platform of the wind turbine tower barrel. The wear resistance is enhanced by adding an inner wear-resistant layer 10 inside the inner seal sleeve 1, and multiple circles of first reinforcing wires 12 are sleeved inside the inner seal sleeve 1 to enhance the folding resistance strength of the inner seal sleeve 1 itself, making it more durable.

[0027] In this embodiment, an upper crimp 25 is provided on the upper part of the outer ring surface of the outer seal sleeve 2, an outer wear-resistant block 24 is provided on the lower part of the outer ring surface of the outer seal sleeve 2, outlet pipe orifices 20 are provided on the lower parts of the left and right sides of the outer ring surface of the outer seal sleeve 2, and the other ends of the outlet pipe orifices 20 lead to the oil collecting chamber 3.

[0028] As a preferred embodiment, the upper crimp 25 and the outer wear-resistant block 24 in the present utility model are provided to strengthen the protection of the inner seal sleeve 1 from being damaged by external factors, and the outlet pipe orifices 20 are provided to facilitate the connection with the oil collecting chamber 3 so as to regularly discharge the grease in the oil collecting chamber 3, which is more convenient and labor-saving.

[0029] In this embodiment, an outer convex strip 27 is provided on the upper part of the inner side wall of the outer seal sleeve 2, both the outer convex strip 27 and the inner convex strip 13 adopt a convex strip structure with a semicircular cross-section, the outer seal sleeve 2 is made of fluororubber material, multiple groups of second reinforcing wires 26 are arranged inside the outer seal sleeve 2, and the second reinforcing wires 26 adopt a wire loop structure.

[0030] As a preferred embodiment, the material of the outer seal sleeve 2 in the present utility model is heat-resistant and oil-resistant. The durability strength is improved by arranging the second reinforcing wires 26 inside, and the outer convex strip 27 and the inner connection port 23 are provided only to prevent the grease accumulated in the oil collecting chamber 3 from splashing out easily, and the thicknesses of the inner seal sleeve 1 and the outer seal sleeve 2 can be appropriately increased to make them more durable.

[0031] The present utility model can effectively solve the problems in the prior art that the oil collecting groove provided in the sealing device is inconvenient to clean the inside, is easy to splash out after being filled with grease, and is not strong and firm because it is completely made of rubber material, is easy to be damaged, and is difficult to be used for a long time. The present utility model not only enhances the strength of the inner and outer seal sleeves themselves, is heat-resistant, oil-resistant and wear-resistant, has a longer service life, but also is convenient for quick assembly or disassembly for regular comprehensive cleaning, and is more convenient and labor-saving to use.

[0032] The above embodiments are used to explain and illustrate the present utility model, rather than to limit the utility model. Any modification and change made to the present utility model within the spirit of the present utility model and the scope of the claimed rights should be included in the protection scope of the present utility model.

Claims

1. A yaw platform sealing device for a wind turbine tower, characterized in that: It includes an inner sealing sleeve (1) and an outer sealing sleeve (2). An inner anti-wear layer (10) is provided on the inner side surface of the inner sealing sleeve (1), and a lower inlay edge (11) is provided at the lower part of the inner sealing sleeve (1). A lower wrapping edge (21) is provided at the lower part of the outer sealing sleeve (2), and a sealing layer (22) is provided on the inner side surface of the lower wrapping edge (21). An inner connection port (23) is provided on the sealing layer (22), and the lower inlay edge (11) is screwed into the inner connection port (23) through threads. An oil collecting cavity (3) is provided between the outer ring surface of the inner sealing sleeve (1) and the inner side wall of the outer sealing sleeve (2), and the inner sealing sleeve (1) and the outer sealing sleeve (2) are detachably connected.

2. The sealing device for the yaw platform of a wind turbine tower barrel according to claim 1, wherein An inner convex strip (13) is provided at the upper part of the outer ring surface of the inner sealing sleeve (1), and the inner sealing sleeve (1) is made of neoprene.

3. A yaw platform sealing device for a wind turbine tower barrel according to claim 1, characterized in that, A plurality of groups of first reinforcing wires (12) are provided in the inner sealing sleeve (1), and the first reinforcing wires (12) adopt a steel wire ring structure.

4. A yaw platform sealing device for a wind turbine tower barrel according to claim 1, characterized in that, An upper curled edge (25) is provided at the upper part of the outer ring surface of the outer sealing sleeve (2), and an outer wear-resistant block (24) is provided at the lower part of the outer ring surface of the outer sealing sleeve (2).

5. A yaw platform sealing device for a wind turbine tower barrel according to claim 1, characterized in that, Outlet pipe orifices (20) are provided at the lower parts of the left and right sides of the outer ring surface of the outer sealing sleeve (2), and the other ends of the outlet pipe orifices (20) lead to the inside of the oil collecting cavity (3).

6. The sealing device for the yaw platform of a wind turbine tower barrel according to claim 1, wherein, An outer convex strip (27) is provided at the upper part of the inner side wall of the outer sealing sleeve (2), and both the outer convex strip (27) and the inner convex strip (13) adopt a convex strip structure with a semicircular cross-section.

7. A yaw platform sealing device for a wind turbine tower barrel according to claim 1, characterized in that, The outer sealing sleeve (2) is made of fluororubber, and a plurality of groups of second reinforcing wires (26) are provided in the outer sealing sleeve (2), and the second reinforcing wires (26) adopt an iron wire ring structure.

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