Fan tower yaw platform sealing device

Abstract

A fan tower yaw platform sealing device 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, the inner side surface of the lower covered edge is provided with a sealing layer, and the inner side surface of the outer sealing sleeve is provided with an outer anti-wear layer. An inner connecting opening is formed in the sealing layer, the lower embedding edge is twisted in 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, 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 an outer protruding strip is arranged on the outer ring face of the outer sealing sleeve. And the inner sealing sleeve is made of chloroprene rubber. The strength of the inner sealing sleeve and the outer sealing sleeve is enhanced, high temperature resistance, oil resistance and abrasion resistance are achieved, the service life is longer, rapid assembly or disassembly is convenient, regular comprehensive cleaning is facilitated, and use is more convenient and trouble-saving.

Description

Technical Field

[0001] The invention relates to the technical field of sealing devices, and in particular to a sealing device for a yaw platform of a wind turbine tower. Background Art

[0002] Wind power generation generally includes a tower, a nacelle, blades, a transmission system and a generator. The blades are installed and supported by the nacelle. The transmission system and the generator are installed in the nacelle, and the nacelle is installed on the top of the towering tower. The yaw system of the wind turbine is installed inside the nacelle, also known as the wind-facing device. Its function is to quickly and smoothly align the wind direction when the direction of the wind speed vector changes, so that the wind wheel can obtain maximum wind energy.

[0003] In the prior art (publication number CN216714608U), the specification of a wind turbine tower yaw platform sealing device mentions "a rubber body; the rubber body is formed with a sealing ring part and a sealing ring part; an oil collecting groove is formed between the sealing ring part and the sealing ring part to receive dripping grease; the sealing ring part, the 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 enable the device to be adsorbed on the upper surface of the tower". However, the oil collecting groove provided in the sealing device in the prior art is not convenient for cleaning the inside, and is easy to splash out after being full of grease. In addition, the oil collecting groove itself is made entirely of rubber material and is not strong and firm, and is easily damaged, making it difficult to use for a long time. Summary of the invention

[0004] In order to overcome the defects of the prior art, a wind turbine tower yaw platform sealing device is provided to solve the problems that the oil collecting tank provided in the sealing device in the prior art is inconvenient to clean the inside, is easy to splash out after being full of grease, and is made entirely of rubber material, is not strong and firm, is easily damaged, and is difficult to use for a long time.

[0005] To achieve the above-mentioned purpose, a wind turbine tower yaw platform sealing device is provided, comprising 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, and 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 edging, and the inner side surface of the lower edging is provided with a sealing layer, an inner connecting port is provided on the sealing layer, and the lower embedded edge is twisted in the inner connecting port by means of a thread, an oil collecting chamber is provided between the outer annular 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 split and connected.

[0006] Furthermore, an inner convex strip is arranged on the upper portion of the outer ring surface of the inner sealing sleeve, and the inner sealing sleeve is made of chloroprene rubber.

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

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

[0009] Furthermore, outlet pipe openings are provided at 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 openings lead to the oil collecting chamber.

[0010] Furthermore, an outer convex strip is arranged on the upper portion 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 a plurality of groups of second reinforcing wires are arranged inside the outer sealing sleeve, and the second reinforcing wires are of a wire ring structure.

[0012] The beneficial effects of the present invention are: 1. In the present invention, the inner sealing sleeve is sleeved on the yaw platform of the wind turbine tower, and the wear resistance is enhanced by adding an inner anti-wear layer on the inner side of the inner sealing sleeve, and multiple circles of first reinforcing wire are sleeved inside the inner sealing sleeve to enhance the breakage resistance of the inner sealing sleeve itself, so that it is stronger and more durable.

[0013] 2. The upper curling edge and the outer wear-resistant block in the present invention are provided to strengthen the protection of the inner sealing sleeve to prevent it from being damaged by external factors, and the outlet pipe opening is provided to facilitate the connection with the oil collecting chamber so that the grease in the oil collecting chamber can be discharged regularly, which is more convenient and saves trouble.

[0014] 3. The material of the outer sealing sleeve in the present invention is set to be resistant to high temperature and oil, and the durability is improved by arranging a second reinforcing wire inside. The outer convex strip and the inner connecting port are only set to prevent the grease accumulated in the oil collecting chamber from splashing out, and the thickness of the inner sealing sleeve and the outer sealing sleeve can be appropriately thickened to make them stronger and more durable. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a rendering of an embodiment of the present invention; Figure 2 is a cross-sectional schematic diagram of an embodiment of the present invention; Figure 3 This is a schematic diagram of the internal structure of the inner sealing sleeve according to an embodiment of the present invention; Figure 4 Schematic diagram of the internal structure of the outer sealing sleeve according to an embodiment of the present invention.

[0016] In the figure: 1. inner sealing sleeve; 10. inner anti-wear layer; 11. lower embedded edge; 12. first reinforcing wire; 13. inner convex strip; 2. outer sealing sleeve; 20. outlet pipe mouth; 21. lower edging; 22. sealing layer; 23. inner connecting port; 24. outer wear-resistant block; 25. upper curling edge; 26. second reinforcing wire; 27. outer convex strip; 3. oil collecting chamber. DETAILED DESCRIPTION

[0017] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. The specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention. Specific details such as specific system structures and technologies are proposed in order to more thoroughly understand the embodiments of the present invention. The described embodiments are part of the embodiments of the present disclosure, rather than all of the embodiments. However, it should be clear to those skilled in the art that the present invention 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 making creative work belong to the scope of protection of the present disclosure.

[0018] The specific embodiments of the present invention are described in detail below with reference to the accompanying drawings.

[0019] Figure 1 The effect diagram of the embodiment of the present invention is shown in FIG. Figure 2 is a cross-sectional schematic diagram of an embodiment of the present invention, Figure 3 Schematic diagram of the internal structure of the inner sealing sleeve according to an embodiment of the present invention and Figure 4 Schematic diagram of the internal structure of the outer sealing sleeve according to an embodiment of the present invention.

[0020] Reference Figures 1 to 4 As shown, the present invention provides a sealing device for a yaw platform of a wind turbine tower, comprising an inner sealing sleeve 1 and an outer sealing sleeve 2, wherein an inner side surface of the inner sealing sleeve 1 is provided with an inner anti-wear layer 10, and a lower embedded edge 11 is provided at the lower portion of the inner sealing sleeve 1, a lower edging 21 is provided at the lower portion of the outer sealing sleeve 2, and a sealing layer 22 is provided at the inner side surface of the lower edging 21, an inner connecting port 23 is provided on the sealing layer 22, and the lower embedded edge 11 is twisted in the inner connecting port 23 by means of threads, an oil collecting chamber 3 is provided between the outer annular 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 split and connected.

[0021] In this embodiment, an inner convex strip 13 is provided on the upper portion 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 are of a wire ring structure.

[0022] As a preferred embodiment, the inner sealing sleeve 1 in the present invention is sleeved on the yaw platform of the wind turbine tower. The wear resistance is enhanced by adding an inner anti-wear layer 10 on the inner side of the inner sealing sleeve 1, and multiple circles of first reinforcing wire 12 are sleeved inside the inner sealing sleeve 1 to enhance the breakage resistance of the inner sealing sleeve 1 itself, making it stronger and more durable.

[0023] In this embodiment, an upper rolled edge 25 is provided on the upper part of the outer ring surface of the outer sealing sleeve 2, and an outer wear-resistant block 24 is provided on the lower part of the outer ring surface of the outer sealing sleeve 2. Outlet pipe openings 20 are provided on the lower parts of the left and right sides of the outer ring surface of the outer sealing sleeve 2, and the other end of the outlet pipe opening 20 leads to the oil collecting chamber 3.

[0024] As a preferred embodiment, the upper curled edge 25 and the outer wear-resistant block 24 in the present invention are provided to strengthen the protection of the inner sealing sleeve 1 to prevent it from being damaged by external factors, and the outlet pipe opening 20 is provided to facilitate the connection with the oil collecting chamber 3 so that the grease in the oil collecting chamber 3 can be discharged regularly, which is more convenient and saves trouble.

[0025] In this embodiment, an outer convex strip 27 is provided on the upper part of the inner 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. The outer sealing sleeve 2 is made of fluororubber, and multiple groups of second reinforcing wires 26 are provided in the outer sealing sleeve 2, and the second reinforcing wires 26 adopt a wire ring structure.

[0026] As a preferred embodiment, the material of the outer sealing sleeve 2 in the present invention is set to be resistant to high temperature and oil, and the durability is improved by arranging a second reinforcing wire 26 inside. The outer convex strip 27 and the inner connecting port 23 are only set to prevent the grease accumulated in the oil collecting chamber 3 from splashing out, and the thickness of the inner sealing sleeve 1 and the outer sealing sleeve 2 can be appropriately thickened to make them stronger and more durable.

[0027] The present invention 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 full of grease, and is made entirely of rubber material, is not strong and firm, is easy to be damaged, and is difficult to use for a long time. The present invention not only enhances the strength of the inner and outer sealing sleeves themselves, is resistant to high temperature, oil and wear, and has a longer service life, but also facilitates and quickly assembles or disassembles for regular and comprehensive cleaning, making it more convenient and trouble-free to use.

[0028] The above embodiments are used to illustrate the present invention rather than to limit the present invention. Any modifications and changes made to the present invention within the spirit of the present invention and the scope of the claims for protection shall be included in the protection scope of the present invention.

Claims

1. A wind turbine tower yaw platform sealing device, characterized in that: The invention comprises an inner sealing sleeve (1) and an outer sealing sleeve (2), wherein the inner side surface of the inner sealing sleeve (1) is provided with an inner anti-wear layer (10), and the lower part of the inner sealing sleeve (1) is provided with a lower embedded edge (11), the lower part of the outer sealing sleeve (2) is provided with a lower edging (21), and the inner side surface of the lower edging (21) is provided with a sealing layer (22), an inner connecting port (23) is provided on the sealing layer (22), and the lower embedded edge (11) is screwed into the inner connecting port (23) by means of a thread, an oil collecting chamber (3) is provided between the outer annular 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 connected in a split manner.

2. A wind turbine tower yaw platform sealing device according to claim 1, characterized in that: An inner convex strip (13) is provided on the upper portion of the outer ring surface of the inner sealing sleeve (1), and the inner sealing sleeve (1) is made of chloroprene rubber.

3. A wind turbine tower yaw platform sealing device according to claim 1 or 2, characterized in that: A plurality of groups of first reinforcing wires (12) are arranged in the inner sealing sleeve (1), and the first reinforcing wires (12) adopt a wire ring structure.

4. A wind turbine tower yaw platform sealing device according to claim 1, 2 or 3, characterized in that: An upper rolled edge (25) is provided on the upper portion of the outer ring surface of the outer sealing sleeve (2), and an outer wear-resistant block (24) is provided on the lower portion of the outer ring surface of the outer sealing sleeve (2).

5. A wind turbine tower yaw platform sealing device according to claim 1, 2, 3 or 4, characterized in that: The lower parts of the left and right sides of the outer ring surface of the outer sealing sleeve (2) are both provided with outlet pipe openings (20), and the other end of the outlet pipe openings (20) leads to the oil collecting chamber (3).

6. A wind turbine tower yaw platform sealing device according to claim 1 or 2 or 3 or 4 or 5, characterized in that: An outer convex strip (27) is provided on the upper portion of the inner side wall of the outer sealing sleeve (2), and both the outer convex strip (27) and the inner convex strip (13) have a convex strip structure with a semicircular cross section.

7. A wind turbine tower yaw platform sealing device according to claim 1 or 2 or 3 or 4 or 5 or 6, characterized in that: The outer sealing sleeve (2) is made of fluororubber, and a plurality of groups of second reinforcing wires (26) are arranged inside the outer sealing sleeve (2), and the second reinforcing wires (26) are of a wire ring structure.

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