CN115596614A

CN115596614A - Fan tower

Info

Publication number: CN115596614A
Application number: CN202211095648.2A
Authority: CN
Inventors: 龚志恒; 罗勇水; 雷鹏涛; 宋恭杰; 尹明; 张伟
Original assignee: Zhejiang Windey Co Ltd
Current assignee: Zhejiang Windey Co Ltd
Priority date: 2022-09-08
Filing date: 2022-09-08
Publication date: 2023-01-13

Abstract

The application discloses fan tower relates to fan equipment technical field, including end platform and basic platform, and basic platform locates the below of end platform, and fan tower still includes frame bearing structure, and frame bearing structure locates between end platform and the basic platform and connects end platform and basic platform, and frame bearing structure is used for supporting end platform, and frame bearing structure's inside has accommodation space, and this accommodation space is used for the holding transformer. The fan tower can utilize the accommodating space in the frame supporting structure to place the transformer in the tower, and the high bearing capacity of the internal space of the tower and the foundation platform below the bottom platform is fully utilized, so that the structure at the bottom platform is more compact, and the integral occupied area of the fan tower is reduced; meanwhile, the transformer is arranged in the tower in an internal mode, extra land acquisition is not needed, and the ground for installing the transformer is reinforced, so that the cost can be reduced.

Description

Fan tower

Technical Field

The application relates to the technical field of fan equipment, in particular to a fan tower.

Background

In the prior art, due to structural limitation of a fan tower, a transformer is often placed outside the fan tower, and at the moment, in a wind power project, an owner needs to separately collect a place for installing the transformer; meanwhile, the ground where the transformer is installed has special requirements, and an owner needs to additionally cement the ground at the position, so that the occupied area of the whole structure is large, and the cost is high. Therefore, there is a need in the art to provide a wind turbine tower that can accommodate a transformer.

Disclosure of Invention

The utility model aims at providing a fan pylon can reduce area to can reduce cost.

In order to achieve the above object, the present application provides a wind turbine tower, including end platform and the basic platform of the below of locating end platform, still include frame bearing structure, frame bearing structure locates between end platform and the basic platform, and frame bearing structure is used for supporting end platform, and frame bearing structure's inside has the accommodation space that is used for holding the transformer.

In some embodiments, the frame support structure comprises two support leg assemblies, the two support leg assemblies are oppositely arranged on two sides of the transformer along the first direction, and the two support leg assemblies are connected through the first bracket.

In some embodiments, the support leg assembly includes two legs spaced apart in a second direction and a second support disposed between the two legs.

In some embodiments, the first bracket and the second bracket each include a central connecting member and a plurality of support rods, the plurality of support rods are distributed in a cross manner, and the central connecting member is connected to the central positions of the plurality of support rods.

In some embodiments, the support rods in the first bracket are arcuate support rods and the support rods in the second bracket are linear support rods.

In some embodiments, the support leg assembly includes two second brackets distributed up and down, and two first brackets are disposed on two sides of the transformer along the second direction.

In some embodiments, a leveling device is arranged on any one of the support legs, and the leveling device is used for adjusting the height of the support legs so as to ensure that the bottom platform is flat.

In some embodiments, the base platform is provided with a brace connecting plate, and the leveling device comprises:

the support plate is arranged on the top of the support leg;

the bolt is arranged on the support plate and penetrates through the supporting leg connecting plate;

and the nuts are in threaded connection with the bolts and are respectively arranged on the upper side and the lower side of the supporting leg connecting plate.

In some embodiments, the bottom platform includes a platform plate and a platform frame, the platform frame is connected to the platform plate by a detachable connector, and a plurality of supporting leg connecting plates are connected to the platform frame.

In some embodiments, the foundation platform is provided with a plurality of bases, the bases are connected with the legs in a one-to-one correspondence, and the bases are provided with anchoring connection holes which are used for connecting anchoring connection pieces so as to anchor the bases to the foundation platform.

For above-mentioned background art, the fan pylon that this application embodiment provided, including end platform and basic platform, wherein, basic platform is fixed in ground, and basic platform locates the below of end platform, and further, fan pylon still includes frame bearing structure, and frame bearing structure locates between end platform and the basic platform and connects end platform and basic platform, and frame bearing structure is used for supporting end platform, and frame bearing structure's inside has accommodation space, and this accommodation space is used for holding the transformer. Thus, the transformer can be placed on the base platform and positioned in the frame support structure. Compared with the traditional mode that extra space is occupied, the fan tower provided by the embodiment of the application has the advantages that the frame supporting structure is arranged between the bottom platform and the foundation platform, and the frame supporting structure is internally provided with enough accommodating space for installing the transformer, so that the transformer can be arranged in the tower by utilizing the accommodating space in the frame supporting structure, the high bearing capacity of the inner space of the tower and the foundation platform below the bottom platform is fully utilized, the structure at the bottom platform is more compact, and the integral occupied area of the fan tower is reduced; meanwhile, the mode of arranging the transformer in the tower does not need extra land acquisition and reinforcement of the ground for installing the transformer, so that the cost can be reduced.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, it is obvious that the drawings in the following description are only embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.

FIG. 1 is a schematic bottom structure of a prior art wind turbine tower;

FIG. 2 is a schematic bottom structure diagram of a wind turbine tower according to an embodiment of the present application;

FIG. 3 is a schematic view of a connection structure of a bottom platform, a frame support structure and a base platform of the wind turbine tower shown in FIG. 2;

FIG. 4 is a front view of a coupling structure of the base platform, frame support structure and base platform of FIG. 2;

FIG. 5 is a schematic structural view of the support leg assembly of FIG. 2;

FIG. 6 is a side view of the support leg assembly of FIG. 5;

FIG. 7 is a schematic view of an assembly structure of the leveling device and the supporting legs in FIG. 5;

FIG. 8 is a schematic view of the first bracket of FIG. 2;

FIG. 9 is a top view of the first bracket of FIG. 8 assembled with a transformer;

FIG. 10 is a schematic structural view of the sole platform of FIG. 2;

FIG. 11 is a schematic view of the sole platform of FIG. 10 at another angle;

figure 12 is a schematic view of the arrangement of the temple connecting plates in the bottom platform of figure 11.

Wherein:

1-bottom platform, 11-platform plate, 12-platform frame;

2-frame support structure, 20-accommodation space, 21-support leg assembly, 211-support leg, 212-second support, 22-first support, 221-center connection, 222-support bar;

3-leveling device, 31-support plate, 32-bolt, 33-nut, 34-supporting leg connecting plate;

4-a base;

5-a base platform;

6-transformer.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

In order to enable those skilled in the art to better understand the scheme of the present application, the present application will be described in further detail with reference to the accompanying drawings and the detailed description.

It should be noted that the following directional terms such as "upper end, lower end, left side, right side" and the like are defined based on the drawings of the specification.

Referring to fig. 1 to 12, fig. 1 is a schematic bottom structure diagram of a wind turbine tower in the prior art; FIG. 2 is a schematic bottom structure diagram of a wind turbine tower according to an embodiment of the present application; FIG. 3 is a schematic view of a connection structure of a bottom platform, a frame support structure and a base platform of the wind turbine tower shown in FIG. 2; FIG. 4 is a front view of a coupling structure of the base platform, frame support structure and base platform of FIG. 2; FIG. 5 is a schematic structural view of the support leg assembly of FIG. 2; FIG. 6 is a side view of the support leg assembly of FIG. 5; FIG. 7 is a schematic view of an assembly structure of the leveling device and the supporting legs in FIG. 5; FIG. 8 is a schematic structural view of the first bracket of FIG. 2; FIG. 9 is a top view of the first bracket of FIG. 8 assembled with a transformer; FIG. 10 is a schematic view of the structure of the midsole platform of FIG. 2; FIG. 11 is a schematic view of the sole platform of FIG. 10 at another angle; figure 12 is a schematic view of the arrangement of the temple connecting plates in the bottom platform of figure 11.

The fan pylon that this application embodiment provided, including end platform 1 and basic platform 5, wherein, basic platform 5 is fixed in subaerially, and end platform 1 locates basic platform 5's top, and end platform 1 is connected with the pylon door, and the pylon door can supply outside staff to get into on the end platform 1 in the pylon.

Further, the wind turbine tower further comprises a frame supporting structure 2, the frame supporting structure 2 is arranged between the bottom platform 1 and the base platform 5, the frame supporting structure 2 is connected with the bottom platform 1 and the base platform 5, the frame supporting structure 2 is used for supporting the bottom platform 1, a containing space 20 is arranged inside the frame supporting structure 2, and the containing space 20 is used for containing the transformer 6.

In this way, the transformer 6 is placed on the base platform 5 and within the frame support structure 2.

As shown in fig. 1, the space under the bottom platform 1 of the conventional wind turbine tower is not fully utilized, and at this time, only a space is left outside the tower to install the transformer 6.

Compared with the traditional mode that extra space is occupied, the fan tower provided by the embodiment of the application has the advantages that the frame supporting structure 2 is arranged between the bottom platform 1 and the foundation platform 5, and the frame supporting structure 2 is internally provided with enough accommodating space 20 for installing and placing the transformer 6, so that the accommodating space 20 in the frame supporting structure 2 can be utilized, the transformer 6 is arranged in the tower, the internal space of the tower is fully utilized, and the high bearing capacity of the foundation platform 5 below the bottom platform 1 is utilized, the structure at the bottom platform 1 is more compact, and the integral occupied area of the fan tower is reduced; meanwhile, the transformer 6 is arranged in the tower, extra land acquisition is not needed, and the ground for installing the transformer 6 is not needed to be reinforced by cement, so that the cost can be reduced.

It should be noted that the transformer 6 is placed on the foundation platform 5 inside the tower and below the bottom platform 1, and the height of the bottom platform 1 can be increased to ensure that the transformer 6 can be placed in the accommodating space 20 below the bottom platform 1.

In some embodiments, the frame support structure 2 comprises two support leg assemblies 21, the two support leg assemblies 21 are oppositely disposed on two sides of the transformer 6 along the first direction, and the two support leg assemblies 21 are connected by a first bracket 22.

It should be noted that the supporting leg assembly 21 may be a module that is installed in advance, and when installing the tower, only the preset supporting leg assembly 21 needs to be hoisted for use.

In some embodiments, the support leg assembly 21 includes two legs 211 spaced apart along the second direction and a second bracket 212 disposed between the two legs 211.

That is, the supporting legs 211 of the supporting leg assemblies 21 are connected two by the second brackets 212, the appearance is similar to a frame, the structure of the supporting leg assemblies 21 can be beneficial to on-site hoisting (the assembly can be completed by connecting the two supporting leg assemblies 21 by the first bracket 22 only after the two supporting leg assemblies 21 are erected on a project site), and the stability and the strength of the bottom platform 1 can be increased.

In some embodiments, each of the first bracket 22 and the second bracket 212 includes a central connecting member 221 and a plurality of supporting rods 222, the supporting rods 222 are distributed in a cross manner, and the central connecting member 221 is connected to the central positions of the supporting rods 222.

Of course, the structure and number of the support rods 222 in the first bracket 22 and the second bracket 212 can be set according to actual needs.

In this embodiment, the number of the support rods 222 in any one of the first support 22 and the second support 212 is two, in the first support 22 or the second support 212, the two support rods 222 are distributed between the two legs 211 in a crossing manner, the end portions of the support rods 222 are connected with the corresponding legs 211, the two support rods 222 are connected through a central connecting member 221, and the central connecting member 221 is a disc structure.

In some embodiments, to match the shape and configuration of the transformer 6, the support rods 222 in the first bracket 22 are arcuate support rods and the support rods 222 in the second bracket 212 are linear support rods.

It can be understood that, since the dimension of the transformer 6 in the second direction in the horizontal plane is greater than the dimension in the first direction in the horizontal plane, wherein the first direction is perpendicular to the second direction, the support rods 222 on the first brackets 22 spaced apart in the second direction are provided with the avoidance grooves so as to facilitate the placement of the transformer 6 in the frame support structure 2.

Preferably, the support rod 222 in the first bracket 22 is an arcuate support rod and the support rod 222 in the second bracket 212 is a linear support rod. The arch support bar 222 is a groove protruding outward from the middle of the support bar 222 to form a recess for receiving the transformer 6.

The end of the bow-shaped support rod 222 is connected with the support leg 211 through a bolt, so that the stability of the support is ensured, the platform is prevented from overturning, and meanwhile, the arrangement of the bow-shaped support rod can ensure the placement of the transformer 6 because the transformer 6 is generally long in the length direction.

The first direction is an X-axis direction as shown in fig. 2, and the second direction is a Y-axis direction as shown in fig. 2.

In some embodiments, the supporting leg assembly 21 includes two second brackets 212 distributed up and down, and two first brackets 22 are disposed on two sides of the transformer 6 along the second direction.

In order to increase the overall structural strength of the frame structure, a cross bar is further connected between the two second brackets 212 of any one of the support leg assemblies 21, two ends of the cross bar are connected to the support legs 211, and two ends of the cross bar are connected with the upper and lower second brackets 212.

On the basis, the frame supporting structure 2 may also be configured to include a plurality of legs 211, the plurality of legs 211 are disposed at the periphery of the transformer 6 (or disposed around the transformer 6) at intervals, and a support is connected between any two adjacent legs 211, wherein the support between any two adjacent legs 211 is different. Preferably, the number of the legs 211 is four, four legs 211 are arranged along the vertical direction, four legs 211 are arranged on the periphery of the transformer 6, and any two adjacent legs 211 are connected by a bracket, so as to form a quadrangular-prism-shaped frame structure or a rectangular-frame structure (the cross section is rectangular).

In some embodiments, considering the uneven base platform 5 and the manufacturing error of the legs 211, which results in uneven height of the four legs 211 after the installation is completed, the base platform 1 is uneven, and therefore, a leveling device 3 needs to be added to each leg 211, and the leveling device 3 is used for adjusting the height of the leg 211 on the project site to ensure the flatness of the base platform 1.

Specifically, the bottom platform 1 is provided with a supporting foot connecting plate 34, and the leveling device 3 is connected with the supporting foot connecting plate 34 on the bottom platform 1. The leveling device 3 specifically comprises a support plate 31, a bolt 32 and a set of nuts 33, wherein the support plate 31 is arranged at the top of the supporting leg 211, the bolt 32 is arranged on the support plate 31, the bolt 32 penetrates through the supporting leg connecting plate 34, the set of nuts 33 are in threaded connection with the bolt 32, and the set of nuts 33 are respectively arranged on the upper side and the lower side of the supporting leg connecting plate 34.

More specifically, in order to ensure the stability of adjustment, in any of the leveling devices 3, two bolts 32 are provided, and accordingly, two sets of nuts 33 are provided, one set of nuts 33 is provided on one bolt 32, and one set of nuts 33 includes two nuts 33 on the upper side of the temple connecting plate 34 and one nut 33 on the lower side of the temple connecting plate 34.

In this way, the support plate 31 on the leg 211 is welded with the bolt 32, the bolt 32 penetrates into the arm brace connecting plate 34, the nut 33 is screwed into the lower side of the arm brace connecting plate 34, and the nut 33 plays a role of supporting the arm brace connecting plate 34; two nuts 33 are screwed on the upper side of the supporting foot connecting plate 34 and are nested with each other, so that the nuts 33 cannot be loosened; the height of the bottom platform 1 at the positions of the four support legs 211 is adjusted by adjusting the positions of the upper and lower nuts 33 in the bolts 32, so that the bottom platform 1 is adjusted.

In some embodiments, the bottom platform 1 includes a platform plate 11 and a platform frame 12, the platform frame 12 is formed by welding profile steels and is mainly used for ensuring the supporting strength of the platform, the platform plate 11 is formed by assembling common steel plates, the platform frame 12 is connected with the platform plate 11 through a detachable connecting piece (a bolt or a screw), and a supporting leg connecting plate 34 connected with the leveling device 3 is reserved at the bottom of the platform frame 12 so as to be used by the project site leveling of the bottom platform 1.

In some embodiments, the base platform 5 is provided with a plurality of bases 4, the bases 4 are connected with the legs 211 in a one-to-one correspondence, and the bases 4 are provided with anchor connection holes for connecting anchor connection members (such as expansion bolts) to anchor the bases 4 to the base platform 5, so as to prevent the base platform 1 from overturning.

To sum up, the fan pylon that this application embodiment provided sets up frame bearing structure 2 between end platform 1 and basic platform 5, through reducing 1 below landing leg 211 quantity of platform at the bottom of the tower, and increase landing leg 211 in order to raise end platform 1, can increase 1 below space of end platform like this, it places transformer 6 to make 1 below of end platform have sufficient space installation, thereby it is compacter to make 1 department of end platform structure, make full use of pylon inner space, and 1 below basis high bearing capacity of end platform, place transformer 6.

It is noted that, in this specification, relational terms such as first and second, and the like are used solely to distinguish one entity from another entity without necessarily requiring or implying any actual such relationship or order between such entities.

The wind turbine tower provided by the present application is described in detail above. The principle and the implementation of the present application are explained herein by using specific examples, and the above descriptions of the examples are only used to help understand the scheme and the core idea of the present application. It should be noted that, for those skilled in the art, it is possible to make several improvements and modifications to the present application without departing from the principle of the present application, and such improvements and modifications also fall within the scope of the claims of the present application.

Claims

1. The utility model provides a fan tower, its characterized in that includes end platform and locates the basic platform of the below of end platform still includes frame bearing structure, frame bearing structure locates end platform with between the basic platform, frame bearing structure is used for supporting end platform, just frame bearing structure's inside has the accommodation space that is used for holding the transformer.

2. The wind turbine tower of claim 1, wherein the frame support structure comprises two support leg assemblies, two of the support leg assemblies being disposed opposite each other on either side of the transformer in the first direction, and the two support leg assemblies being connected by a first bracket.

3. The wind turbine tower of claim 2, wherein the support leg assembly comprises two legs spaced apart in the second direction and a second support disposed between the two legs.

4. The wind turbine tower of claim 3, wherein the first support and the second support each comprise a central connecting member and a plurality of support bars, the plurality of support bars are distributed in a cross manner, and the central connecting member is connected to the central positions of the plurality of support bars.

5. The wind turbine tower of claim 4, wherein the support rods in the first support are arcuate support rods and the support rods in the second support are linear support rods.

6. The wind turbine tower of claim 3, wherein the support leg assembly comprises two second supports arranged one above the other, and two first supports are arranged on both sides of the transformer in the second direction.

7. The wind turbine tower of any one of claims 3-6, wherein any one of the legs has a leveling device thereon for adjusting the height of the leg to ensure the bottom platform is level.

8. The wind turbine tower of claim 7 wherein said bottom platform has a brace connection plate thereon, said leveling device comprising:

the support plate is arranged on the top of the support leg;

and the nuts are in threaded connection with the bolts and are respectively arranged on the upper side and the lower side of the supporting foot connecting plate.

9. The wind turbine tower of claim 8, wherein said bottom platform comprises a platform plate and a platform frame, said platform frame being connected to said platform plate by a detachable connector, a plurality of said brace connecting plates being connected to said platform frame.

10. The wind turbine tower of claim 3, wherein a plurality of bases are provided on the base platform, the plurality of bases are connected with the plurality of legs in a one-to-one correspondence, and each of the plurality of bases is provided with an anchoring connection hole for connecting an anchoring connector to anchor the base to the base platform.