A hoisting device for hoisting a tower of a wind turbine

Abstract

The utility model provides a hoist device for fan hoist tower section, belongs to the wind turbine tower section hoist technical field, it includes: a plurality of connecting pieces, flexible steel wire, hoist rope, control rope and the hanging tray, the utility model discloses, through the design a plurality of connecting pieces and the flexible steel wire of a plurality of connecting pieces together, the hoist is formed, when hoisting the tower section of different size, flexible steel wire can deform adjustment, only need to be evenly distributed connecting piece and tower section installation can, compared with the hoist of traditional size fixed (or can adjust), its use is more convenient, speeds up the construction progress of whole fan hoist.

Description

Technical Field

[0001] This utility model relates to the field of wind turbine tower hoisting technology, specifically a hoisting device for hoisting wind turbine towers. Background Technology

[0002] A wind turbine is a clean energy device that converts wind energy into mechanical energy, and then into electrical energy. It mainly consists of a wind turbine, generator, deflector, tower (also known as a tower casing), speed limiting safety mechanism, and energy storage device. Its basic working principle is as follows: the wind turbine rotates under the drive of wind power, converting wind energy into mechanical energy of the turbine shaft; the generator then rotates under the drive of the turbine shaft to generate electricity.

[0003] During the installation of wind turbines, the tower sections are usually stacked and fixed vertically on the construction site. Then, the nacelle containing the generator and deflector is installed on top. Finally, the wind turbine (a combination of blades and hub) assembled on the ground is hoisted to the air and connected to the main shaft of the nacelle. The hoisting operation of the tower is a fundamental and crucial step in the wind turbine installation process.

[0004] The tower dimensions of the same wind turbine vary at different heights, requiring manual re-measurement, selection, installation, and debugging of lifting equipment each time, which severely slows down the entire wind turbine installation process. Therefore, this utility model provides a lifting device for wind turbine tower installation. Utility Model Content

[0005] To address the problem that existing wind turbine tower hoisting devices cannot adapt to the hoisting of towers of different sizes, requiring on-site manual measurement, selection, installation, and debugging of hoisting tools, which severely slows down the entire wind turbine hoisting construction progress, this utility model provides a hoisting device for wind turbine tower hoisting.

[0006] To achieve the above objectives, the present invention adopts the following technical solution:

[0007] A hoisting device for hoisting wind turbine towers, comprising:

[0008] Several connectors arranged in a circular array;

[0009] A flexible steel wire through which several connectors are threaded together;

[0010] The hoisting platform has hoisting ropes and control ropes connected to each of the aforementioned connectors, and the tops of all the hoisting ropes are connected to a common hoisting platform.

[0011] As a further description of the above technical solution:

[0012] The beginning and end of the flexible steel wire are fixedly connected by a U-shaped locking device.

[0013] As a further description of the above technical solution:

[0014] The lifting platform includes: a platform body and a lifting ring installed on the top of the platform body, with the top of the lifting rope fixedly connected to the platform body.

[0015] As a further description of the above technical solution:

[0016] The connector includes:

[0017] An arc-shaped plate, wherein mounting holes are provided on the arc-shaped plate;

[0018] The upper edge is fixedly connected to the top inner side of the arc-shaped plate, and a first lifting hole is provided on the side of the upper edge;

[0019] The lower edge is fixedly connected to the bottom inner side of the arc-shaped plate, and a second lifting hole is provided on the side of the lower edge.

[0020] As a further description of the above technical solution:

[0021] The arc-shaped plate, upper edge, and lower edge are an integral structure.

[0022] As a further description of the above technical solution:

[0023] U-bolts are installed on the inner sides of the upper and lower edges, and the flexible steel wire is located on the inner side of the flexible steel wire.

[0024] As a further description of the above technical solution:

[0025] The top of the upper edge is provided with a first thickened part, and the bottom of the lower edge is provided with a second thickened part.

[0026] The beneficial effects of this utility model are:

[0027] This utility model, through the design of a lifting device consisting of several connectors and flexible steel wires threaded together, allows for the deformation and adjustment of the flexible steel wires when lifting towers of different sizes. It only requires the connectors to be evenly distributed and installed on the tower. Compared with traditional lifting devices with fixed (or adjustable) sizes, it is more convenient to use and improves the overall construction progress of wind turbine installation. Attached Figure Description

[0028] The following figures are shown to more clearly illustrate a hoisting device for hoisting wind turbine towers;

[0029] Figure 1 This is a perspective view of the present invention;

[0030] Figure 2 This is a front view of the present invention;

[0031] Figure 3 This is a schematic diagram illustrating the use of the connector of this utility model;

[0032] Figure 4 This is a perspective view of the connector of this utility model.

[0033] The labels in the attached diagram;

[0034] 1. Tower; 2. Connecting parts; 201. Arc plate; 202. Mounting hole; 203. Upper edge; 204. First lifting hole; 205. Lower edge; 206. Second lifting hole; 207. U-bolt; 3. Flexible steel wire; 4. Lifting rope; 5. Control rope; 6. Lifting platform. Detailed Implementation

[0035] Please refer to the attached document. Figures 1-4 This illustration shows a hoisting device for hoisting wind turbine towers according to an embodiment of this application. The device is used to hoist wind turbine towers and specifically includes: several connectors 2, flexible steel wires 3, hoisting ropes 4, control ropes 5, and a hoisting platform 6.

[0036] Several connectors 2 are arranged in a circular array and are threaded together by flexible steel wires 3. Each connector 2 is connected to a hoisting rope 4 and a control rope 5. The tops of all the hoisting ropes 4 are connected to a hoisting plate 6.

[0037] The connector 2 is fixed to the flange at the top of the tower 1 with bolts. The lifting device, consisting of several connectors 2 and flexible steel wires 3 threaded together, can be adjusted by deforming the flexible steel wires 3 when lifting towers 1 of different sizes. It is only necessary to calculate the number of holes on the flange at the top of the tower 1 and divide it into a number corresponding to the number of connectors 2, so that the number of holes on the flanges between two adjacent connectors 2 is the same. It is more convenient to use and improves the construction progress of the entire wind turbine hoisting. The crane hook is connected to the lifting platform 6 to hoist the tower 1.

[0038] In one embodiment, the first and last ends of the flexible steel wire 3 are fixedly connected by a U-shaped locking member. The diameter of the tower 1 corresponding to different wind turbines varies greatly, and the number of connecting members 2 used also varies. The user can remove some of the connecting members 2 and adjust the connection position of the first and last ends of the flexible steel wire 3 so that the ring structure formed by the flexible steel wire 3 is basically consistent with the diameter of the tower 1.

[0039] In one embodiment, the lifting platform 6 includes: a platform body and a lifting ring installed on the top of the platform body, the top of the lifting rope 4 being fixedly connected to the platform body; the bottom side of the platform body is provided with a plurality of connecting holes arranged in a circular array to facilitate the connection of the lifting rope 4 to the platform body, and the lifting ring installed on the top of the platform body is used to connect the lifting rope of the crane.

[0040] In one embodiment, the connector 2 includes: an arc-shaped plate 201, an upper edge portion 203, and a lower edge portion 205.

[0041] The arc-shaped plate 201 is arc-shaped and can fit basically with the flange of the tower 1. The arc-shaped plate 201 has mounting holes 202, and multiple mounting holes 202 can be designed. The spacing between two adjacent mounting holes 202 corresponds to the flange holes on the tower 1. During installation, the arc-shaped plate 201 is fixed to the flange of the tower 1 with bolts. The upper edge 203 is fixedly connected to the top inner side of the arc-shaped plate 201. The side of the upper edge 203 has a first lifting hole 204, and the lifting rope 4 is connected to the first lifting hole 204. The lower edge 205 is fixedly connected to the bottom inner side of the arc-shaped plate 201. The side of the lower edge 205 has a second lifting hole 206, and the control rope 5 is connected to the second lifting hole 206.

[0042] In one embodiment, in order to ensure that the connecting member 2 composed of the arc plate 201, the upper edge 203, and the lower edge 205 has sufficient strength, the arc plate 201, the upper edge 203, and the lower edge 205 are designed as an integral structure and are manufactured by casting process.

[0043] In one embodiment, U-bolts 207 are installed on the inner sides of the upper edge 203 and the lower edge 205, and the flexible steel wire 3 is located on the inner side of the flexible steel wire 3.

[0044] The upper edge 203 and the lower edge 205 are both provided with mounting holes for U-bolts 207 to pass through. After the U-bolts 207 are installed, a channel area is formed between the inner side of the U-bolts 207 and the outer side of the upper edge 203 and the lower edge 205, and the flexible steel wire 3 passes through this channel area.

[0045] In one embodiment, a first thickened portion is provided at the top of the upper edge 203 to increase the structural strength of the top of the upper edge 203, and a second thickened portion is provided at the bottom of the lower edge 205 to increase the structural strength of the bottom of the lower edge 205.

[0046] Other embodiments of the present invention will readily occur to those skilled in the art upon consideration of the specification and practice of the disclosure herein. This application is intended to cover any variations, uses, or adaptations of the present invention that follow the general principles of the present invention and include common knowledge or customary techniques in the art not disclosed herein. The specification and examples are to be considered exemplary only, and the true scope and spirit of the present invention are indicated by the following claims.

[0047] It should be understood that relational terms such as "first" and "second" are used merely to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. This invention is not limited to the precise structures described above and shown in the accompanying drawings, and various modifications and changes can be made without departing from its scope. The scope of this invention is limited only by the appended claims.

Claims

1. A hoisting device for hoisting wind turbine towers, characterized in that, include: Connectors distributed in a ring array (2); A flexible steel wire (3) through which several connectors (2) are threaded together; The hoisting platform (6) has hoisting ropes (4) and control ropes (5) connected to each of the connectors (2), and the tops of all the hoisting ropes (4) are connected to a hoisting platform (6).

2. The hoisting device for wind turbine tower hoisting according to claim 1, characterized in that: The beginning and end of the flexible steel wire (3) are fixedly connected by a U-shaped locking device.

3. The hoisting device for wind turbine tower hoisting according to claim 1, characterized in that, The lifting platform (6) includes: a platform body and a lifting ring installed on the top of the platform body, and the top of the lifting rope (4) is fixedly connected to the platform body.

4. A hoisting device for hoisting wind turbine towers according to claim 1, characterized in that: The connector (2) includes: An arc-shaped plate (201) is provided with mounting holes (202); The upper edge (203) is fixedly connected to the top of the inner side of the arc plate (201), and the side of the upper edge (203) is provided with a first lifting hole (204). The lower edge (205) is fixedly connected to the bottom inner side of the arc plate (201), and a second lifting hole (206) is provided on the side of the lower edge (205).

5. A hoisting device for hoisting wind turbine towers according to claim 4, characterized in that: The arc-shaped plate (201), the upper edge (203), and the lower edge (205) are an integral structure.

6. A hoisting device for hoisting wind turbine towers according to claim 4, characterized in that: U-bolts (207) are installed on the inner sides of the upper edge (203) and lower edge (205), and the flexible steel wire (3) is located on the inner side of the flexible steel wire (3).

7. A hoisting device for hoisting wind turbine towers according to claim 4, characterized in that: The top of the upper edge (203) is provided with a first thickened part, and the bottom of the lower edge (205) is provided with a second thickened part.

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