Fan tower structure

Abstract

The utility model discloses a fan tower structure, which belongs to the technical field of fan towers and comprises a lower tower, the upper surface of the lower tower is fixedly connected with a lower connecting disc, an upper connecting disc is arranged above the lower connecting disc, the upper surface of the upper connecting disc is fixedly connected with an upper tower, and the lower surface of the upper tower is fixedly connected with a lower connecting disc. A plurality of arc-shaped holes are formed in the upper surface of the upper connecting disc, a plurality of fixing screw rods are fixedly connected to the upper surface of the lower connecting disc, the top end of each fixing screw rod penetrates through the corresponding arc-shaped hole and extends to the position above the upper connecting disc, and a locking nut is in threaded connection to the outer surface of each fixing screw rod; the bottom end of each locking nut makes contact with the upper surface of the upper connecting disc, the upper surface of the upper tower is fixedly connected with a connecting base, and connecting holes which are annularly arrayed are formed in the upper surface of the connecting base. The fan tower structure is provided with a detachable structure, can be more flexible in the transportation process, facilitates hoisting construction, and improves the installation speed of the tower.

Description

Technical Field

[0001] The utility model relates to the field of wind turbine towers, in particular to a wind turbine tower structure. Background Art

[0002] A wind turbine tower refers to the supporting structure of a wind turbine generator set, which is generally a column or cone structure made of rolled and welded steel plates, with auxiliary equipment such as mechanical and electrical internals attached to it. The wind turbine tower includes a tower body, ladders, cables, cable ladders, platforms and other structures.

[0003] However, the current wind turbine tower structure is long in size, which is troublesome to transport and difficult to install, reducing the installation speed of the wind turbine tower. Therefore, technicians in this field provide a wind turbine tower structure to solve the problems raised in the above background technology. Utility Model Content

[0004] The purpose of the utility model is to provide a wind turbine tower structure to solve the problems raised in the above background technology.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A wind turbine tower structure comprises a lower tower frame, wherein the upper surface of the lower tower frame is fixedly connected to a lower connecting plate, an upper connecting plate is provided above the lower connecting plate, the upper surface of the upper connecting plate is fixedly connected to an upper tower frame, a plurality of arc-shaped holes are provided on the upper surface of the upper connecting plate, a plurality of fixing screws are fixedly connected to the upper surface of the lower connecting plate, the top end of each fixing screw passes through the arc-shaped hole and extends to the top of the upper connecting plate, the outer surface of each fixing screw is threadedly connected to a locking nut, and the bottom end of each locking nut contacts the upper surface of the upper connecting plate.

[0007] As a further solution of the utility model: a connecting seat is fixedly connected to the upper surface of the upper tower, a connecting hole arranged in an annular pattern is provided on the upper surface of the connecting seat, and a positioning groove is provided on the upper surface of the connecting seat.

[0008] As a further solution of the utility model: a mounting seat is fixedly connected to the bottom surface of the lower tower frame, and an annularly arranged mounting holes are provided on the upper surface of the mounting seat.

[0009] As a further solution of the utility model: two arc-shaped sliding holes are opened on the upper surface of the lower connecting plate, and two arc-shaped positioning plates are fixedly connected to the bottom surface of the upper connecting plate, and the bottom ends of the two arc-shaped positioning plates pass through the arc-shaped sliding holes and extend to the interior of the lower tower.

[0010] As a further solution of the utility model: a through opening is opened on the upper surface of the lower connecting plate, a positioning column is fixedly connected to the bottom surface of the upper connecting plate, and the bottom end of the positioning column passes through the through opening and extends to the inside of the lower tower.

[0011] As a further solution of the utility model: the inner circle of the lower tower is fixedly connected with a support block, the upper surface of the support block is fixedly connected with a positioning seat, and the bottom end of the positioning column extends to the inside of the positioning seat.

[0012] As a further solution of the utility model: an annular support cover is fixedly connected to the upper surface of the support block, and the top end of the annular support cover is in contact with the bottom surface of the lower connecting plate.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] The wind turbine tower structure, through the lower connecting plate and the upper connecting plate, and the cooperation with the arc hole, the fixing screw and the locking nut, can make the locking nut rotate on the surface of the fixing screw, and make the locking nut lock and fix between the upper connecting plate and the lower connecting plate, which will make the upper tower frame more quickly installed above the lower tower frame. In addition, the wind turbine tower structure has a decomposed structure, which can be more flexible during transportation and convenient for hoisting construction, thereby improving the installation speed of the wind turbine tower. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a three-dimensional structural schematic diagram of a front view of a wind turbine tower structure;

[0016] Figure 2 A cross-sectional view of a top view of an upper tower in a wind turbine tower structure;

[0017] Figure 3 A cross-sectional view of a front view of a lower tower in a wind turbine tower structure;

[0018] Figure 4 The figure is a top view of a lower connecting plate in a wind turbine tower structure.

[0019] In the figure: 1. lower tower; 2. lower connecting plate; 3. upper connecting plate; 4. upper tower; 5. arc hole; 6. fixing screw; 7. locking nut; 8. positioning column; 9. through port; 10. support block; 11. positioning seat; 12. annular support cover; 13. arc sliding hole; 14. arc positioning plate; 15. positioning groove; 16. mounting seat; 17. mounting hole; 18. connecting seat; 19. connecting hole. DETAILED DESCRIPTION

[0020] In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, the terms "first", "second", etc. are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, features defined as "first", "second", etc. may explicitly or implicitly include one or more of the features. In the description of the present utility model, unless otherwise specified, "multiple" means two or more.

[0021] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood by specific circumstances.

[0022] See also Figures 1 to 4 In an embodiment of the utility model, a wind turbine tower structure includes a lower tower frame 1, a lower connecting plate 2 is fixedly connected to the upper surface of the lower tower frame 1, an upper connecting plate 3 is provided above the lower connecting plate 2, an upper tower frame 4 is fixedly connected to the upper surface of the upper connecting plate 3, a plurality of arc holes 5 are opened on the upper surface of the upper connecting plate 3, a plurality of fixing screws 6 are fixedly connected to the upper surface of the lower connecting plate 2, the top end of each fixing screw 6 passes through the arc hole 5 and extends to the top of the upper connecting plate 3, a locking nut 7 is threadedly connected to the outer surface of each fixing screw 6, and the bottom end of each locking nut 7 is in contact with the upper surface of the upper connecting plate 3.

[0023] The upper surface of the upper tower 4 is fixedly connected with a connecting seat 18, and the upper surface of the connecting seat 18 is provided with connecting holes 19 arranged in a ring, and the upper surface of the connecting seat 18 is provided with a positioning groove 15. The bottom surface of the lower tower 1 is fixedly connected with a mounting seat 16, and the upper surface of the mounting seat 16 is provided with mounting holes 17 arranged in a ring. The upper surface of the lower connecting plate 2 is provided with two arc-shaped sliding holes 13, and the bottom surface of the upper connecting plate 3 is fixedly connected with two arc-shaped positioning plates 14, and the bottom ends of the two arc-shaped positioning plates 14 both pass through the arc-shaped sliding holes 13 and extend to the interior of the lower tower 1. Through the connecting seat 18 and the connecting holes 19, it will be better connected and fixed to the upper tower. The mounting seat 16 and the mounting holes 17 are used to facilitate the installation and fixation of the lower tower 1, and the arc-shaped sliding holes 13 and the arc-shaped positioning plates 14 are used to ensure the stability of the upper tower 4 during installation.

[0024] A through opening 9 is provided on the upper surface of the lower connecting plate 2, and a positioning column 8 is fixedly connected to the bottom surface of the upper connecting plate 3, and the bottom end of the positioning column 8 passes through the through opening 9 and extends to the inside of the lower tower frame 1, and the inner circle of the lower tower frame 1 is fixedly connected to a support block 10, and the upper surface of the support block 10 is fixedly connected to a positioning seat 11, and the bottom end of the positioning column 8 extends to the inside of the positioning seat 11, and the upper surface of the support block 10 is fixedly connected to an annular support cover 12, and the top end of the annular support cover 12 contacts with the bottom surface of the lower connecting plate 2. Through the support block 10 and the positioning seat 11, and in cooperation with the positioning column 8, the upper tower frame 4 can be installed more firmly, thereby improving the overall stability of the tower frame after installation.

[0025] The working principle of the utility model is: first, the lower tower frame 1 is installed above the concrete base through the mounting seat 16, and then the upper tower frame 4 is hoisted, and then the upper connecting plate 3 is located above the lower connecting plate 2, and the positioning column 8 at the bottom of the upper connecting plate 3 is passed through the through opening 9 and then inserted into the interior of the positioning seat 11, which will provide preliminary support for the upper tower frame 4, and then the locking nut 7 is taken, and the locking nut 7 is rotated on the surface of the fixing screw 6, which will cause the locking nut 7 to lock and fix the upper connecting plate 3, and then the upper tower frame 4 can be quickly installed above the lower tower frame 1.

[0026] The above is only a preferred specific implementation of the utility model, but the protection scope of the utility model is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical solution and utility model concept of the utility model within the technical scope disclosed by the utility model, which should be included in the protection scope of the utility model. For those skilled in the art, it is obvious that the utility model is not limited to the details of the above exemplary embodiments, and can be implemented in other specific forms without departing from the spirit or basic features of the utility model. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive. The scope of the utility model is limited by the attached claims rather than the above description, so it is intended to include all changes that fall within the meaning and scope of the equivalent elements of the claims in the utility model. Any figure mark in the claims should not be regarded as limiting the claims involved.

[0027] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A wind turbine tower structure, comprising a lower tower (1), characterized in that: The upper surface of the lower tower frame (1) is fixedly connected to a lower connecting plate (2), an upper connecting plate (3) is provided above the lower connecting plate (2), the upper surface of the upper connecting plate (3) is fixedly connected to an upper tower frame (4), a plurality of arc-shaped holes (5) are provided on the upper surface of the upper connecting plate (3), a plurality of fixing screws (6) are fixedly connected to the upper surface of the lower connecting plate (2), the top end of each fixing screw (6) passes through the arc-shaped hole (5) and extends to the top of the upper connecting plate (3), the outer surface of each fixing screw (6) is threadedly connected to a locking nut (7), and the bottom end of each locking nut (7) contacts the upper surface of the upper connecting plate (3).

2. A wind turbine tower structure according to claim 1, characterized in that: The upper surface of the upper tower (4) is fixedly connected to a connection seat (18), the upper surface of the connection seat (18) is provided with connection holes (19) arranged in an annular pattern, and the upper surface of the connection seat (18) is provided with a positioning groove (15).

3. A wind turbine tower structure according to claim 1, characterized in that: The bottom surface of the lower tower (1) is fixedly connected to a mounting seat (16), and the upper surface of the mounting seat (16) is provided with mounting holes (17) arranged in an annular pattern.

4. A wind turbine tower structure according to claim 1, characterized in that: The upper surface of the lower connecting plate (2) is provided with two arc-shaped sliding holes (13), and the bottom surface of the upper connecting plate (3) is fixedly connected with two arc-shaped positioning plates (14), and the bottom ends of the two arc-shaped positioning plates (14) both pass through the arc-shaped sliding holes (13) and extend to the interior of the lower tower frame (1).

5. A wind turbine tower structure according to claim 1, characterized in that: The upper surface of the lower connecting plate (2) is provided with a through opening (9), the bottom surface of the upper connecting plate (3) is fixedly connected with a positioning column (8), and the bottom end of the positioning column (8) passes through the through opening (9) and extends to the interior of the lower tower frame (1).

6. A wind turbine tower structure according to claim 5, characterized in that: The inner ring of the lower tower (1) is fixedly connected to a support block (10), the upper surface of the support block (10) is fixedly connected to a positioning seat (11), and the bottom end of the positioning column (8) extends to the inside of the positioning seat (11).

7. A wind turbine tower structure according to claim 6, characterized in that: An annular support cover (12) is fixedly connected to the upper surface of the support block (10), and the top end of the annular support cover (12) is in contact with the bottom surface of the lower connection plate (2).

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