Wind generating set and cabin cover supporting device thereof

Abstract

The invention discloses a wind generating set and a cabin cover supporting device thereof.The cabin cover supporting device comprises a plurality of first supports arranged on the two sides of a first rack, a plurality of second supports arranged on the two sides of a second rack and third supports arranged on the two sides of the second rack; a plurality of first brackets, a plurality of second brackets and a plurality of third brackets are arranged on the two sides of the inner wall of the cabin cover, one end of each first bracket is connected with a first connecting plate, one end of each second bracket is connected with a second connecting plate, and one end of each third bracket is connected with a third connecting plate. The second support is provided with a second platform, the third support is provided with a third platform, the first connecting plate is connected to the first platform, the second connecting plate is connected to the second platform, and the third connecting plate is connected to the third platform; according to the invention, elastic support is canceled, all components are rigidly connected with one another, and a plurality of fixed mounting points are added, so that the cabin cover is supported by all racks more firmly.

Description

Technical Field

[0001] The present invention belongs to the technical field of wind turbine generator sets, and in particular relates to a wind turbine generator set and a nacelle cover supporting device thereof. Background Art

[0002] A wind turbine is an electrical device that converts wind energy into mechanical work, which drives the rotor to rotate and ultimately outputs alternating current. A wind turbine is generally composed of a wind rotor, a main shaft, a gearbox, a generator, a yaw mechanism, a tower, a nacelle cover, and a brake. Among them, the nacelle cover is an indispensable component of a wind turbine, and all equipment in the nacelle is installed in the nacelle cover.

[0003] The frame is arranged inside the nacelle cover. The wind load borne by the nacelle cover during the operation of the wind turbine generator set is transmitted to the frame through the supporting device. In the prior art, the nacelle cover is mainly fixed to the frame by an elastic supporting device. This supporting method has the problem of fewer fixing points between the elastic supporting device and the nacelle cover, and the elastic supporting device has a complex structure, is difficult to process and manufacture, and has a high production cost. In addition, since the elastic supporting device is a flexible connection, it has low rigidity and is easy to deform. In summary, there is an urgent need for a wind turbine generator set and a nacelle cover supporting device thereof. Summary of the invention

[0004] In order to solve part or all of the technical problems existing in the above-mentioned prior art, the present invention provides a wind turbine generator set and a nacelle cover supporting device thereof.

[0005] On the one hand, the present invention provides a nacelle cover supporting device for a wind turbine generator set, wherein the nacelle cover supporting device is arranged in the nacelle cover, and a first frame and a second frame connected to each other are arranged in the nacelle cover, and the nacelle cover supporting device includes a plurality of first brackets symmetrically arranged on both sides of the first frame, a plurality of second brackets symmetrically arranged on both sides of one end of the second frame, and a third bracket symmetrically arranged on both sides of the other end of the second frame, and a plurality of first brackets, a plurality of second brackets, and a plurality of third brackets are symmetrically arranged on both sides of the inner wall of the nacelle cover, one end of the first bracket is connected to the nacelle cover, and the other end is connected to a first connecting plate, one end of the second bracket is connected to the nacelle cover, and the other end is connected to a second connecting plate, one end of the third bracket is connected to the nacelle cover, and the other end is connected to a third connecting plate, wherein:

[0006] A first platform is provided on one side of the middle part and one side of the top of the first bracket, a second platform is provided on the top of the second bracket, and a third platform is provided on the top of the third bracket. The first connecting plate is connected to the top of the first platform through fasteners, the second connecting plate is connected to the top of the second platform through the fasteners, and the third connecting plate is connected to the top of the third platform through the fasteners.

[0007] As a specific implementation, in the above-mentioned nacelle cover supporting device for a wind turbine generator set, the number of the first brackets is 2 to 6.

[0008] As a specific implementation, in the above-mentioned nacelle cover supporting device for a wind turbine generator set, the number of the first corbels is 4 to 12, and the number of the first corbels matches the number of the first brackets.

[0009] As a specific implementation, in the above-mentioned nacelle cover supporting device for a wind turbine generator set, the number of the second brackets and the number of the second brackets are 2 to 4.

[0010] As a specific implementation, in the above-mentioned nacelle cover supporting device for a wind turbine generator set, the number of the third brackets and the number of the third brackets are both 2 to 4.

[0011] As a specific implementation, in the above-mentioned nacelle cover supporting device for a wind turbine generator set, the fastener is a fastening bolt.

[0012] As a specific implementation, in the above-mentioned nacelle cover supporting device for a wind turbine generator set, reinforcing ribs are provided between the first platform and the first bracket.

[0013] As a specific implementation, in the above-mentioned nacelle cover supporting device for a wind turbine generator set, the first corbel, the second corbel and the third corbel are all bonded to the inner side of the nacelle cover by glass fiber woven cloth.

[0014] As a specific implementation, in the above-mentioned nacelle cover supporting device for a wind turbine generator set, the connection between the first bracket and the first frame, between the second bracket and the second frame, and between the third bracket and the second frame are all connected by welding.

[0015] On the other hand, the present invention further provides a wind turbine generator set, comprising the above-mentioned nacelle cover supporting device.

[0016] The wind turbine generator set and the nacelle cover support device thereof of the present invention have the following advantages and positive effects:

[0017] The device has a simple structure and is easy to assemble and disassemble. The elastic support between the cabin cover and the frames in the prior art is eliminated, so that the first frame, the cabin cover, and the cabin cover supporting device are rigidly connected to each other, thereby improving the stability of the cabin cover installation and the rigidity of the cabin cover, reducing the deformation of the cabin cover, and adding multiple installation points, so that the first frame and the second frame support the cabin cover more firmly. Moreover, the device is simple and convenient to process and manufacture, which reduces the production cost, improves the maintainability, and has good practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the prior art descriptions. Obviously, the drawings in the following descriptions are only used to further understand the embodiments of the present invention and constitute a part of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work. In the drawings:

[0019] Figure 1 It is a structural schematic diagram of a nacelle cover supporting device for a wind turbine generator set according to the present invention;

[0020] Figure 2 is a side view of a nacelle cover support device for a wind turbine generator set according to the present invention;

[0021] Figure 3 It is a structural schematic diagram of a first support plate in a nacelle cover supporting device for a wind turbine generator set according to the present invention;

[0022] Figure 4 It is a structural schematic diagram of a first bracket in a nacelle cover supporting device for a wind turbine generator set of the present invention;

[0023] Figure 5 It is a side view of the first bracket in the nacelle cover supporting device for a wind turbine generator set of the present invention.

[0024] Description of reference numerals:

[0025] 1-first bracket, 11-first platform, 12-reinforcement rib, 2-second bracket, 3-third bracket, 4-first bracket, 5-second bracket, 6-third bracket, 7-first connecting plate, 71-first support plate, 8-second connecting plate, 9-third connecting plate, 100-first frame, 200-second frame, 300-cabin cover. DETAILED DESCRIPTION

[0026] In order to make the purpose, technical solution and advantages of the present invention clearer, the technical solution of the present invention will be clearly and completely described below in conjunction with the specific embodiments of the present invention and the corresponding drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0027] like Figures 1 to 5 As shown, the present invention provides a wind turbine generator set and a nacelle cover supporting device thereof.

[0028] On the one hand, the present invention discloses a nacelle cover supporting device for a wind turbine generator set, the nacelle cover supporting device is arranged in a nacelle cover 300, a first frame 100 and a second frame 200 connected to each other are arranged in the nacelle cover 300, the nacelle cover supporting device includes a plurality of first brackets 1 symmetrically arranged on both sides of the first frame 100 along the axis of the first frame 100, a plurality of second brackets 2 symmetrically arranged on both sides of one end of the second frame 200 along the axis of the second frame 200, and a plurality of third brackets 3 symmetrically arranged on both sides of the other end of the second frame 200 along the axis of the second frame 200. The third brackets 3 are all arranged perpendicular to the horizontal plane, and a plurality of first brackets 4, a plurality of second brackets 5, and a plurality of third brackets 6 are symmetrically arranged on both sides of the inner wall of the cabin cover 300. The setting position of the first bracket 4 matches the first bracket 1, the setting position of the second bracket 5 matches the second bracket 2, and the setting position of the third bracket 6 matches the third bracket 3. One end of the first bracket 4 is connected to the cabin cover 300, and the other end is connected to the first connecting plate 7. One end of the second bracket 5 is connected to the cabin cover 300, and the other end is connected to the second connecting plate 8. One end of the third bracket 6 is connected to the cabin cover 300, and the other end is connected to the third connecting plate 9. A first platform 11 is provided on one side of the middle part and one side of the top of the first bracket 1, a second platform (not shown in the figure) is provided on the top of the second bracket 2, and a third platform (not shown in the figure) is provided on the top of the third bracket 3. The first connecting plate 7 is connected to the top of the first platform 11 by fasteners, the second connecting plate 8 is connected to the top of the second platform by fasteners, and the third connecting plate 9 is connected to the top of the third platform by fasteners. More specifically, the first connecting plate 7 includes two first support plates 71 vertically connected to each other, and a reinforcing rib 12 is provided between the two first support plates 71, one of which is fixed to the first bracket 4 away from the machine At one end of the cabin cover 300, another first support plate 71 is fixed to the first platform 11 by fasteners, the second connecting plate 8 includes two second support plates (not shown in the figure) vertically connected to each other, and a reinforcing rib 12 is arranged between the two second support plates, one of the second support plates is fixed to the second corbel 5 away from the end of the cabin cover 300, and the other second support plate is fixed to the second platform by fasteners, and the third connecting plate 9 includes two third support plates (not shown in the figure) vertically connected to each other, one of the third support plates is fixed to the third corbel 6 away from the end of the cabin cover 300, and the other third support plate is fixed to the third platform by fasteners.

[0029] As a specific implementation, in the nacelle cover support device for a wind turbine generator set of the present invention, the number of first brackets 1 is 2 to 6, more specifically, the number of first brackets 1 is 4, and the multiple first brackets 1 are evenly distributed. Of course, the actual number of first brackets 1 needs to be set according to the specific working conditions such as the shape and size of the first frame 100 during actual use.

[0030] As a specific embodiment, in the nacelle cover supporting device for a wind turbine generator set of the present invention, the number of first corbels 4 is 4 to 12, and the number of first corbels 4 matches the number of first brackets 1. More specifically, the number of first corbels 4 is 8, and each first bracket 1 is respectively connected to two first connecting plates 7 through two first platforms 11.

[0031] As a specific implementation, in the nacelle cover support device for a wind turbine generator set of the present invention, the number of the second bracket 2 and the second corbel 5 are both 2 to 4. More specifically, the number of the second bracket 2 and the second corbel 5 are both 2. Of course, the actual number of the second bracket 2 and the second corbel 5 needs to be set according to the specific working conditions such as the shape and size of the second frame 200 during actual use.

[0032] As a specific implementation, in the nacelle cover support device for a wind turbine generator set of the present invention, the number of the third bracket 3 and the third bracket 6 are both 2 to 4, more specifically, the number of the third bracket 3 and the third bracket 6 are both 2. Of course, the actual number of the third bracket 3 and the third bracket 6 needs to be set according to the specific working conditions such as the shape and size of the second frame 200 during actual use.

[0033] As a specific implementation, in the nacelle cover support device for a wind turbine generator set of the present invention, the fastener is a fastening bolt. Of course, the fastener may also be other fasteners such as screws, as long as it can fix each connecting plate, and no limitation is made here.

[0034] As a specific embodiment, in the nacelle cover support device for a wind turbine generator set of the present invention, a reinforcing rib 12 is arranged between the first platform 11 and the first bracket 1. Such an arrangement improves the stability of the first platform 11 and ensures the rigid connection between the first platform 11 and the first connecting plate 7.

[0035] As a specific implementation, in the nacelle cover supporting device for a wind turbine generator set of the present invention, the first corbel 4, the second corbel 5, and the third corbel 6 are all bonded to the inner side of the nacelle cover 300 by means of glass fiber woven cloth.

[0036] As a specific embodiment, in the nacelle cover supporting device for a wind turbine generator set of the present invention, welding is used to connect the first bracket 1 and the first frame 100, the second bracket 2 and the second frame 200, and the third bracket 3 and the second frame 200. Such an arrangement ensures the overall rigidity of the device.

[0037] On the other hand, the present invention further provides a wind turbine generator set, comprising the above-mentioned nacelle cover supporting device.

[0038] The installation process of the nacelle cover support device for a wind turbine generator set of the present invention is as follows: first, a plurality of first brackets 1 are respectively welded to designated positions on both sides of the first frame 100, and a plurality of second brackets 2 and third brackets 3 are respectively welded to designated positions on both sides of the second frame 200, and then the nacelle cover 300 on which the first bracket 4, the second bracket 5, and the third bracket 6 have been installed is placed above the first bracket 1 and the second bracket 2, and the first connecting plate 7, the second connecting plate 8, and the third connecting plate 9 are respectively fixed to the corresponding first platform 11, the second platform, and the third platform by fasteners to complete the installation and support of the nacelle cover 300.

[0039] In summary, compared with the prior art, the wind turbine generator set and the nacelle cover support device thereof of the present invention have the following advantages and positive effects:

[0040] The device has a simple structure and is easy to assemble and disassemble. The elastic support between the cabin cover 300 and each frame in the prior art is eliminated, so that the first frame 100, the cabin cover 300, and the cabin cover supporting device are rigidly connected to each other, thereby improving the stability of the installation of the cabin cover 300 and the rigidity of the cabin cover 300, reducing the deformation of the cabin cover 300, and adding multiple installation points, so that the first frame 100 and the second frame 200 support the cabin cover 300 more firmly. Moreover, the device is simple and convenient to manufacture, reduces production costs, improves maintainability, and has good practicality.

[0041] It should be noted that, in this article, unless otherwise clearly specified and limited, the term "connection" or its synonyms should be understood in a broad sense. For example, "connection" can be a fixed connection or a detachable connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to the specific circumstances. Moreover, expressions such as "first" and "second" are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. At the same time, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such a process, method, article or device. In addition, "front", "back", "left", "right", "upper" and "lower" in this article are all referenced to the placement state shown in the accompanying drawings.

[0042] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein, without causing the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. A nacelle cover support device for a wind turbine generator set, wherein the nacelle cover support device is arranged in the nacelle cover, and a first frame and a second frame connected to each other are arranged in the nacelle cover, characterized in that: The nacelle cover supporting device comprises a plurality of first brackets symmetrically arranged on both sides of the first frame, a plurality of second brackets symmetrically arranged on both sides of one end of the second frame, and a plurality of third brackets symmetrically arranged on both sides of the other end of the second frame. A plurality of first brackets, a plurality of second brackets, and a plurality of third brackets are symmetrically arranged on both sides of the inner wall of the nacelle cover. One end of the first bracket is connected to the nacelle cover, and the other end is connected to the first connecting plate. One end of the second bracket is connected to the nacelle cover, and the other end is connected to the second connecting plate. One end of the third bracket is connected to the nacelle cover, and the other end is connected to the third connecting plate, wherein: A first platform is provided on one side of the middle part and one side of the top of the first bracket, a second platform is provided on the top of the second bracket, and a third platform is provided on the top of the third bracket. The first connecting plate is connected to the top of the first platform through fasteners, the second connecting plate is connected to the top of the second platform through the fasteners, and the third connecting plate is connected to the top of the third platform through the fasteners.

2. The nacelle cover supporting device for a wind turbine generator set according to claim 1, characterized in that: The number of the first brackets is 2 to 6.

3. The nacelle cover supporting device for a wind turbine generator set according to claim 1, characterized in that: The number of the first corbels is 4 to 12, and the number of the first corbels matches the number of the first brackets.

4. The nacelle cover supporting device for a wind turbine generator set according to claim 1, characterized in that: The number of the second brackets and the number of the second corbels are 2 to 4.

5. The nacelle cover supporting device for a wind turbine generator set according to claim 1, characterized in that: The number of the third brackets and the number of the third brackets are 2 to 4.

6. The nacelle cover supporting device for a wind turbine generator set according to claim 1, characterized in that: The fastener is a fastening bolt.

7. The nacelle cover supporting device for a wind turbine generator set according to claim 1, characterized in that: A reinforcing rib is arranged between the first platform and the first bracket.

8. The nacelle cover supporting device for a wind turbine generator set according to claim 1, characterized in that: The first corbel, the second corbel and the third corbel are all bonded to the inner side of the nacelle cover through glass fiber woven cloth.

9. The nacelle cover supporting device for a wind turbine generator set according to claim 1, characterized in that: The first bracket and the first frame, the second bracket and the second frame, and the third bracket and the second frame are connected by welding.

10. A wind turbine generator set, characterized in that: The wind turbine generator set comprises the nacelle cover supporting device according to any one of claims 1-9.

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