Foundation fan foundation structure with low bearing capacity

Abstract

The utility model discloses a low-bearing-capacity foundation draught fan foundation structure which comprises a draught fan base. The fixing part comprises a ring wall, positioning frames, a first butt joint groove, a second butt joint groove, a positioning insertion plate, a limiting plate, an inner groove, a rubber column, a hole body and a sealing plug, the ring wall is connected to the bottom of the fan base, the positioning frames are connected to the circumference of the outer surface of the ring wall at equal intervals, and the upper portions of the inner surfaces of the positioning frames are connected to the bottom of the fan base in a clamped mode. A second butt-joint groove is formed in the lower portion of the outer surface of the fan base, and a first butt-joint groove is formed in the upper portion of the outer surface of the positioning frame. The foundation fan base aims to solve the problems that when an existing foundation fan is actually used, the foundation fan can only be installed and used in a certain adaptive environment, for example, when a foundation is soft or the soil property of the foundation is special, the bearing capacity of a fan base is difficult to improve, differential settlement is generated, the requirements of a fan base for the compressibility and the bearing capacity of the foundation are increased, and the safety of the foundation is affected.

Description

Technical Field

[0001] The utility model relates to the technical field of foundation fans, in particular to a low-bearing-capacity foundation fan base structure. Background Art

[0002] Ground-based wind turbines usually refer to the foundation of a wind turbine. They are an important component of a wind turbine and are used to support superstructures such as the wind turbine tower, nacelle, and blades, and to fix the wind turbine to the ground.

[0003] In actual use, existing foundation fans can only be installed and used in certain adapted environments. For example, when the foundation is weak or the foundation soil is special, it is difficult for the fan base to increase the bearing capacity, resulting in uneven settlement, increasing the fan foundation's requirements for foundation compressibility and bearing capacity, and affecting foundation safety. Therefore, it is necessary to provide a low-bearing-capacity foundation fan base structure to reduce the fan foundation's requirements for foundation compressibility and bearing capacity, reduce the fan foundation size, and increase safety. Utility Model Content

[0004] The purpose of the present utility model is to provide a low-bearing-capacity foundation wind turbine foundation structure to solve the problem raised in the above-mentioned background technology that, when the existing foundation wind turbine is actually used, the foundation wind turbine can only be installed and used in a certain adapted environment. For example, when the foundation is weak or the foundation soil has special properties, it is difficult for the wind turbine base to increase the bearing capacity, resulting in uneven settlement, increasing the wind turbine foundation's requirements on foundation compressibility and bearing capacity, and affecting the safety of the foundation.

[0005] In order to solve the above technical problems, the present invention is achieved through the following technical solutions:

[0006] The utility model is a low-bearing-capacity foundation wind turbine foundation structure, comprising:

[0007] Fan base;

[0008] The fixing component includes a ring wall, a positioning frame, a first docking groove, a second docking groove, a positioning plug, a limit plate, an inner groove, a rubber column, a hole body and a sealing plug. The bottom of the fan base is connected to the ring wall, and the outer surface of the ring wall is equidistantly connected to the positioning frame. The upper part of the inner surface of the positioning frame is clamped and connected to the bottom of the fan base. The lower part of the outer surface of the fan base is provided with a second docking groove, and the upper part of the outer surface of the positioning frame is provided with a first docking groove. The first docking groove and the second docking groove are connected with a positioning plug inserted into the inside.

[0009] Furthermore, one end of the outer surface of the positioning plug plate is symmetrically provided with an inner groove, and the rubber column is connected to both ends of the outer surface of the positioning frame at one end, and the rubber column is embedded in the inner groove.

[0010] Furthermore, a hole is formed on the outer surface of the positioning frame, and a sealing plug is embedded in the inside of the hole.

[0011] Furthermore, one end of the outer surface of the positioning plug plate is connected to a limiting plate, and the limiting plate is attached to one end of the outer surface of the positioning frame.

[0012] Furthermore, it also includes a blocking component, which includes an outer blocking ring, an inner blocking ring, a first sealing gasket, a second sealing gasket, a first inner groove and a second inner groove. The outer blocking ring is circumferentially equidistantly surrounded by the outer surface of the fan base and the ring wall, and the inner blocking ring is circumferentially equidistantly surrounded by the inner surface of the fan base and the ring wall.

[0013] Furthermore, the inner surfaces of the outer retaining ring and the inner retaining ring are respectively bonded with a first sealing gasket and a second sealing gasket, the bottom of the fan base is respectively provided with a first inner groove and a second inner groove, the first sealing gasket is embedded in the inside of the first inner groove, and the second sealing gasket is embedded in the inside of the second inner groove.

[0014] Compared with the prior art, the advantages of the present invention are:

[0015] The utility model provides a ring wall at the bottom of the fan base and a positioning frame on the outside of the ring wall, and adds a ring wall at the bottom of the fan base. Compacted filler is filled between the fan base and the ring wall through the hole body, and the gap between the fan base and the ring wall is filled with the compacted filler. The positioning plug plate is inserted into the inside of the first docking groove and the second docking groove, and the positioning frame is used to fix the fan base and the ring wall after installation. In this way, the fan base can adapt to use in different environments, reduce the fan foundation's requirements on foundation compressibility and bearing capacity, reduce the fan foundation size, and increase safety.

[0016] Based on the above beneficial effects, an outer retaining ring and an inner retaining ring are respectively provided between the fan base and the ring wall, the first sealing gasket is docked inside the first inner groove, and the second sealing gasket is docked inside the second inner groove, so that the outer retaining ring surrounds and blocks the gap between the fan base and the outer surface of the ring wall, and the inner retaining ring surrounds and blocks the gap between the fan base and the inner surface of the ring wall, thereby avoiding overflow of the filled material and achieving a sealing effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following briefly introduces the drawings required for describing the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0018] Figure 1 This is a front view of the fan base of the utility model;

[0019] Figure 2 This is a schematic diagram of the interior of the fan base of the utility model;

[0020] Figure 3 This is a schematic diagram of the ring wall of the present utility model.

[0021] In the accompanying drawings, the components represented by the reference numerals are as follows:

[0022] 11. Fan base;

[0023] 21. Ring wall; 22. Positioning frame; 23. First docking groove; 24. Second docking groove; 25. Positioning plug; 26. Limiting plate; 27. Inner groove; 28. Rubber column; 29. ​​Hole; 291. Sealing plug;

[0024] 31. Outer retaining ring; 32. Inner retaining ring; 33. First sealing gasket; 34. Second sealing gasket; 35. First inner groove; 36. Second inner groove. DETAILED DESCRIPTION

[0025] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the specific embodiments of the present invention are described in detail below with reference to the accompanying drawings.

[0026] 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 different from those described herein. Those skilled in the art may make similar generalizations without violating the connotation of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0027] In order to make the purpose, technical solutions and advantages of the present invention more clear, the embodiments of the present invention will be described in further detail below with reference to the accompanying drawings.

[0028] See also Figure 1-3 As shown, this embodiment is a low-bearing-capacity foundation wind turbine foundation structure, comprising:

[0029] Fan base 11;

[0030] The fixing component includes a ring wall 21, a positioning frame 22, a first docking groove 23, a second docking groove 24, a positioning plug 25, a limit plate 26, an inner groove 27, a rubber column 28, a hole body 29 and a sealing plug 291. The bottom of the fan base 11 is connected to the ring wall 21, and the outer surface of the ring wall 21 is equidistantly connected to the positioning frame 22. The upper part of the inner surface of the positioning frame 22 is clamped and connected to the bottom of the fan base 11. The lower part of the outer surface of the fan base 11 is provided with a second docking groove 24, and the upper part of the outer surface of the positioning frame 22 is provided with a first docking groove 23. The first docking groove 23 and the second docking groove 24 are connected with the positioning plug 25 inserted into the interior;

[0031] A ring wall 21 is added to the bottom of the fan base 11 , and a positioning plug plate 25 is inserted into the first docking groove 23 and the second docking groove 24 . The fan base 11 and the ring wall 21 are fixed after installation using a positioning frame 22 .

[0032] One end of the outer surface of the positioning plug plate 25 is symmetrically provided with an inner groove 27, and a rubber column 28 is connected to both ends of the outer surface of the positioning frame 22 at one end, and the rubber column 28 is embedded in the inner groove 27;

[0033] When the positioning plate 25 is inserted into the first docking groove 23 and the second docking groove 24 , the rubber column 28 is simultaneously embedded in the inner groove 27 to reposition the inserted positioning plate 25 .

[0034] The outer surface of the positioning frame 22 is provided with a hole 29, and the interior of the hole 29 is embedded with a sealing plug 291;

[0035] The compacted filler is filled between the fan base 11 and the annular wall 21 through the hole 29 , and the gap between the fan base 11 and the annular wall 21 is filled with the compacted filler. The inside of the hole 29 is sealed with a sealing plug 291 .

[0036] One end of the outer surface of the positioning plug plate 25 is connected to the limiting plate 26, and the limiting plate 26 is attached to one end of the outer surface of the positioning frame 22;

[0037] The limiting plate 26 blocks the outside of the positioning frame 22 to prevent the positioning plug plate 25 from becoming unstable after being inserted.

[0038] Working principle: first, a ring wall 21 is added to the bottom of the fan base 11, and then the compacted filler is filled between the fan base 11 and the ring wall 21 through the hole 29, and the gap between the fan base 11 and the ring wall 21 is filled with the compacted filler. The positioning plug 25 is inserted into the first docking groove 23 and the second docking groove 24, and the rubber column 28 is embedded in the inner groove 27 at the same time to achieve the effect of re-positioning. The positioning frame 22 is used to fix the fan base 11 and the ring wall 21 after installation. In this way, the fan base 11 can be adapted to use in different environments, reducing the fan foundation's requirements on foundation compressibility and bearing capacity, reducing the fan foundation size, and increasing safety.

[0039] See also Figure 1-3As shown, this embodiment is based on the above embodiment 1 and further includes a blocking component, which includes an outer blocking ring 31, an inner blocking ring 32, a first sealing gasket 33, a second sealing gasket 34, a first inner groove 35 and a second inner groove 36. The outer blocking ring 31 is equidistantly surrounded by the outer surfaces of the fan base 11 and the ring wall 21, and the inner blocking ring 32 is equidistantly surrounded by the inner surfaces of the fan base 11 and the ring wall 21.

[0040] The outer retaining ring 31 surrounds and blocks the gap between the fan base 11 and the outer surface of the ring wall 21, and the inner retaining ring 32 surrounds and blocks the gap between the fan base 11 and the inner surface of the ring wall 21 to prevent the filled material from overflowing.

[0041] A first sealing gasket 33 and a second sealing gasket 34 are bonded to the inner surfaces of the outer retaining ring 31 and the inner retaining ring 32, respectively. A first inner groove 35 and a second inner groove 36 are respectively defined at the bottom of the fan base 11. The first sealing gasket 33 is embedded in the first inner groove 35, and the second sealing gasket 34 is embedded in the second inner groove 36.

[0042] The first sealing gasket 33 butts against the inside of the first inner groove 35 , and the second sealing gasket 34 butts against the inside of the second inner groove 36 , thereby performing a sealing function.

[0043] Working principle: first, dock the first sealing gasket 33 inside the first inner groove 35, and dock the second sealing gasket 34 inside the second inner groove 36, so that the outer retaining ring 31 surrounds and blocks the gap between the outer surface of the fan base 11 and the ring wall 21, and the inner retaining ring 32 surrounds and blocks the gap between the inner surface of the fan base 11 and the ring wall 21, to avoid overflow of the filled material and achieve a sealing effect.

[0044] It should also be noted that, in the description of this utility model, unless otherwise expressly specified or limited, the terms "disposed," "installed," "connected," and "connected" should be understood in a broad sense. For example, they may refer to fixed connections, detachable connections, or integral connections; they may refer to mechanical connections or electrical connections; they may refer to direct connections or indirect connections through an intermediate medium; and they may refer to internal communication between two components. Those skilled in the art will be able to understand the specific meanings of the above terms in this utility model based on specific circumstances.

[0045] Finally, it should be noted that the above description is merely a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art will be able to modify the technical solutions described in the aforementioned embodiments or replace some of the technical features therein with equivalents. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included within the scope of protection of the present invention.

Claims

1. A low-bearing capacity foundation wind turbine foundation structure, characterized in that: include: Fan base (11); A fixing component, comprising a ring wall (21), a positioning frame (22), a first docking groove (23), a second docking groove (24), a positioning plug (25), a limit plate (26), an inner groove (27), a rubber column (28), a hole body (29) and a sealing plug (291), wherein the bottom of the fan base (11) is connected to the ring wall (21), the outer surface of the ring wall (21) is equidistantly connected to the positioning frame (22), the upper part of the inner surface of the positioning frame (22) is clamped and connected to the bottom of the fan base (11), the lower part of the outer surface of the fan base (11) is provided with a second docking groove (24), the upper part of the outer surface of the positioning frame (22) is provided with a first docking groove (23), and the interiors of the first docking groove (23) and the second docking groove (24) are connected with the positioning plug (25) inserted therein.

2. A low-bearing-capacity foundation wind turbine foundation structure according to claim 1, characterized in that: An inner groove (27) is symmetrically formed on one end of the outer surface of the positioning plug plate (25), and a rubber column (28) is connected to both ends of the outer surface of the positioning frame (22) at one end, and the rubber column (28) is embedded and connected inside the inner groove (27).

3. A low-bearing foundation wind turbine foundation structure according to claim 1, characterized in that: A hole (29) is formed on the outer surface of the positioning frame (22), and a sealing plug (291) is embedded in the interior of the hole (29).

4. The low-bearing foundation wind turbine foundation structure according to claim 1, characterized in that: One end of the outer surface of the positioning plug plate (25) is connected to a limiting plate (26), and the limiting plate (26) is attached to one end of the outer surface of the positioning frame (22).

5. The low-bearing capacity foundation wind turbine foundation structure according to claim 1, characterized in that: The invention also includes a blocking component, which includes an outer blocking ring (31), an inner blocking ring (32), a first sealing gasket (33), a second sealing gasket (34), a first inner groove (35) and a second inner groove (36). The outer blocking ring (31) is circumferentially equidistantly surrounded by the outer surfaces of the fan base (11) and the ring wall (21), and the inner blocking ring (32) is circumferentially equidistantly surrounded by the inner surfaces of the fan base (11) and the ring wall (21).

6. A low-bearing-capacity foundation wind turbine foundation structure according to claim 5, characterized in that: The inner surfaces of the outer retaining ring (31) and the inner retaining ring (32) are respectively bonded with a first sealing gasket (33) and a second sealing gasket (34). The bottom of the fan base (11) is respectively provided with a first inner groove (35) and a second inner groove (36). The first sealing gasket (33) is embedded in the interior of the first inner groove (35), and the second sealing gasket (34) is embedded in the interior of the second inner groove (36).

Images