Rain cover for fan tower drum

Abstract

The utility model relates to the field of wind power tower drum protection, and discloses a rain cover for a fan tower drum, which comprises a regular polygonal frame formed by splicing a plurality of square steels and a rain-proof plate laid on the frame, the frame comprises a regular polygonal outer frame, a cylindrical skylight arranged in the center of the outer frame, and a plurality of connecting rods for connecting the outer frame and the skylight; a plurality of lifting lugs are arranged on the outer side of the outer frame and used for lifting the rain cover. A plurality of pulling nodes are arranged at the bottom of the outer frame, and steel wire ropes are mounted on the pulling nodes; each connecting rod is provided with an alignment assembly, and the position of the rainproof cover on the wind power tower drum is aligned through the multiple alignment assemblies. When the rainproof cover is hoisted, the position of the rainproof cover can be aligned through the alignment assembly along with lowering of the rainproof cover, the tower barrel does not need to be aligned through manual control, the installation difficulty is greatly lowered, and the installation efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the field of wind power tower protection, in particular to a rainproof cover for a wind turbine tower. Background Art

[0002] Wind power conversion is an important area of ​​renewable energy development. The equipment used includes wind turbine towers, wind power conversion units, etc., which are mostly installed in sea areas with sufficient wind energy. The components are large in size. When they are built, they need to be pre-assembled on land and then transported to the sea for hoisting. The installation of the bottom section of the tower is the most critical process in the construction operation, and it is also the step that accounts for the largest proportion of the construction work. The weather for offshore operations is changeable with strong winds and heavy rainfall. Therefore, hoisting operations can only be carried out during the window period of good weather. In case of rain, the top of the tower needs to be covered with a rain cover to prevent rainwater from entering the tower to protect the internal electrical equipment.

[0003] Existing rainproof devices, such as: a rainproof device for a wind turbine tower disclosed in the patent application CN202223606567.2 with an application date of 2022-12-30, have the following problems:

[0004] 1. The rainproof support frame is a circular structure, which needs to be formed by bending square steel, which is troublesome to make and has high cost;

[0005] 2. Although the position can be limited by the limit rod, it is difficult to find the correct position, which results in the need to align the rainproof device during installation, making installation difficult.

[0006] Based on this, the present application provides a new type of rain cover for wind turbine tower, which can reduce the difficulty of manufacturing and installation. Utility Model Content

[0007] The utility model aims to solve the technical problems existing in the prior art. To this end, the utility model provides a rain cover for a wind turbine tower which can reduce the difficulty of manufacturing and installation.

[0008] The technical solution adopted by the utility model to solve its technical problems is:

[0009] Provided is a rain cover for a wind turbine tower, comprising a regular polygonal frame assembled from a number of square steels and a rain shield laid on the frame; the frame comprises a regular polygonal outer frame, a cylindrical skylight arranged at the center of the outer frame, and a plurality of connecting rods connecting the outer frame and the skylight; a plurality of lifting ears are arranged on the outer side of the outer frame for lifting the rain cover; a plurality of anchoring points are arranged at the bottom of the outer frame, and steel wire ropes are installed on the anchoring points; an alignment component is arranged on each connecting rod, and the position of the rain cover on the wind turbine tower is aligned by the plurality of alignment components.

[0010] Preferably, the alignment assembly includes a channel steel, a column welded to one end of the bottom of the channel steel, and an inclined rod welded between the other end of the channel steel and the column. The channel steel is buckled into the connecting rod and fixed by bolts.

[0011] Preferably, the connecting rod is provided with a plurality of mounting holes along its length direction.

[0012] Preferably, the outer frame is in a regular octagon, and a connecting rod is provided in the middle of each side thereof.

[0013] Preferably, a reinforcing rod connected to the outer frame and the connecting rod is welded to one end of two adjacent connecting rods close to the outer frame.

[0014] Preferably, the rainproof plate is made of color steel plate, and waterproof measures are provided between the rainproof plate and the skylight.

[0015] Preferably, the flashing plate is fixed to the frame by nailing.

[0016] Preferably, a rubber pad is also provided on the bottom surface of each connecting rod.

[0017] Preferably, the skylight is an openable closed skylight.

[0018] Compared with the prior art, the beneficial effects of the utility model are:

[0019] 1. When the rain cover of the utility model is hoisted, as the rain cover is lowered, the alignment component can be used to align its position, without manual control to align the tower, which greatly reduces the difficulty of installation and improves the installation efficiency; at the same time, after the rain cover is installed, the alignment component can limit its radial position and cooperate with the wire rope to achieve its fixation;

[0020] 2. The alignment component can adjust its position to make it suitable for towers of different sizes, and the product has high applicability;

[0021] 3. The frame is set as a regular polyhedral structure, which is easier to make than a circular structure. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model, the following briefly introduces the drawings required for use in the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative work, among which:

[0023] Figure 1 This is a cross-sectional view of the installation of a rain cover for a wind turbine tower provided by the utility model;

[0024] Figure 2This is a top view of the frame of the rain cover for the wind turbine tower provided by the utility model

[0025] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0026] 1—frame, 1.1—external frame, 1.1.1—lifting ear, 1.1.2—anchor point, 1.2—skylight, 1.3—connecting rod, 1.4—reinforcing rod, 2—flash shield, 3—wire rope, 4—alignment assembly, 4.1—channel steel, 4.2—column, 4.3—diagonal rod. DETAILED DESCRIPTION

[0027] It should be understood that the specific embodiments described herein are only used to explain the present invention, and are not used to limit the present invention.

[0028] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0029] In the description of the present invention, it should be noted that the terms "center", "up", "down", "left", "right", "vertical", "horizontal", "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 invention 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 invention; the terms "install", "connected" and "connected" 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 a connection between the two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0030] In addition, the technical solutions between the various embodiments can be combined with each other, but it must be based on the fact that ordinary technicians in the field can implement it. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such combination of technical solutions does not exist and is not within the scope of protection required by the present invention.

[0031] Embodiment 1

[0032] This embodiment provides a rain cover for a wind turbine tower, as shown in the attached Figure 1 and attached Figure 2As shown in the figure, it comprises a regular polygonal frame 1 assembled from a number of square steels and a flashing board 2 laid on the frame, wherein: Figure 2 As shown, the frame 1 includes a regular polygonal outer frame 1.1, a cylindrical skylight 1.2 arranged at the center of the outer frame, and a plurality of connecting rods 1.3 connecting the outer frame and the skylight; the outer frame 1.1 of the present embodiment is preferably a regular octagon, and the outer frame of this structure is easier to make and has lower cost than a circular one; the skylight 1.2 is an openable closed skylight, which can be used as a manhole after opening; the connecting rods 1.3 of the present embodiment are preferably provided with 8 pieces, which are respectively located in the middle of each side of the outer frame.

[0033] Preferably, as attached Figure 1 As shown, the outer side of the outer frame 1.1 is provided with a plurality of lifting ears 1.1.1 for lifting the rain cover. Furthermore, the bottom of the outer frame 1.1 is provided with a plurality of anchoring points 1.1.2, on which steel wire ropes 3 are installed; in this embodiment, preferably 8 anchoring points are provided, which are respectively located in the middle of each side of the outer frame, and the rain cover is fixed to the ground by anchoring with steel wire ropes.

[0034] Preferably, each connecting rod 1.3 is provided with an alignment component 4, and a plurality of alignment components are used to align the position of the rain cover on the wind turbine tower. Figure 1 and attached Figure 2 As shown, the alignment assembly 4 in this embodiment includes a channel steel 4.1, a column 4.2 welded to one end of the bottom of the channel steel, and an inclined rod 4.3 welded between the other end of the channel steel and the column. The channel steel 4.1 is buckled into the connecting rod 1.3 and fixed by bolts. In this embodiment, the alignment assembly can be used to align its position without manual control to align the tower, which greatly reduces the difficulty of installation and improves the installation efficiency; at the same time, after the rain cover is installed, the alignment assembly can limit its radial position and cooperate with the steel wire rope to achieve its fixation.

[0035] Preferably, the connecting rod 1.3 is provided with a plurality of mounting holes along its length direction, so that the alignment component 4 can adjust its position on the connecting rod to make it suitable for towers of different sizes, and the product has high applicability.

[0036] Further, as attached Figure 2 As shown, one end of two adjacent connecting rods 1.3 close to the outer frame 1.1 is further welded with a reinforcing rod 1.4 connected to the outer frame and the connecting rod. The reinforcing rod can make the connecting rod form a stable triangular structure and also can strengthen the connection strength between the connecting rod and the outer frame.

[0037] Preferably, the rainproof plate 2 is preferably made of color steel plate, and is preferably fixed to the frame by nailing. The installation method of nailing is fast, and waterproof measures are provided between the rainproof plate and the skylight.

[0038] Preferably, a rubber pad (not shown in the figure) is also provided on the bottom surface of each connecting rod 1.3, which can effectively prevent the connecting rod from causing damage to the tower flange.

[0039] The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made using the contents of the present invention specification, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A rain cover for a wind turbine tower, characterized in that: It includes a regular polygonal frame assembled from a number of square steels and a flashing board laid on the frame; The frame includes a regular polygonal outer frame, a cylindrical skylight arranged at the center of the outer frame, and a plurality of connecting rods connecting the outer frame and the skylight; The outer side of the outer frame is provided with a plurality of lifting ears for hanging the rain cover; A plurality of tie points are provided at the bottom of the outer frame, and steel wire ropes are installed on the tie points; An alignment component is provided on each connecting rod, and a plurality of alignment components are used to align the position of the rain cover on the wind power tower.

2. The wind turbine tower rain cover according to claim 1, characterized in that: The alignment assembly comprises a channel steel, a column welded to one end of the bottom of the channel steel, and an inclined rod welded between the other end of the channel steel and the column. The channel steel is buckled into the connecting rod and fixed by bolts.

3. The wind turbine tower rain cover according to claim 2, characterized in that: The connecting rod is provided with a plurality of mounting holes along its length direction.

4. The wind turbine tower rain cover according to claim 1, characterized in that: The outer frame is in a regular octagonal shape, and a connecting rod is provided in the middle of each side thereof.

5. The wind turbine tower rain cover according to claim 4, characterized in that: A reinforcing rod connected to the outer frame and the connecting rod is welded to one end of two adjacent connecting rods close to the outer frame.

6. The wind turbine tower rain cover according to claim 1, characterized in that: The rainproof plate is made of color steel plate, and waterproof measures are arranged between the rainproof plate and the skylight.

7. The wind turbine tower rain cover according to claim 1, characterized in that: The rainproof plate is fixed on the frame by nailing.

8. The wind turbine tower rain cover according to claim 1, characterized in that: The bottom surface of each connecting rod is also provided with a rubber pad.

9. The wind turbine tower rain cover according to claim 1, characterized in that: The skylight is an openable closed skylight.

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