CN220748457U

CN220748457U - Assembled fan pylon

Info

Publication number: CN220748457U
Application number: CN202322159951.0U
Authority: CN
Inventors: 于子晏; 张毅斌; 李永波
Original assignee: Jianhua Construction Materials China Co Ltd
Current assignee: Jianhua Construction Materials China Co Ltd
Priority date: 2023-08-11
Filing date: 2023-08-11
Publication date: 2024-04-09
Anticipated expiration: 2033-08-11

Abstract

The utility model provides an assembled fan tower which comprises a plurality of polygonal annular tower barrel assemblies and variable-diameter section tower barrel sections, wherein any polygonal annular tower barrel assembly comprises at least one layer of polygonal annular tower barrel; the adjacent polygonal annular tower barrel assemblies are connected through reducing section tower barrel sections, so that the polygonal annular tower barrel assemblies with different diameters are longitudinally spliced and hoisted into a complete tower in a stepped mode. The utility model is assembled by adopting a plurality of spliced polygonal annular tower barrels with gradually reduced diameters, thereby improving the convenience and efficiency of production and splicing assembly, enabling the upper wall body mold and the lower wall body mold to be universal and reducing the cost.

Description

Assembled fan pylon

Technical Field

The utility model belongs to the field of wind power generation towers, and particularly relates to an assembled fan tower.

Background

At present, the problems of global energy shortage and environmental climate are increasingly severe, the wind power generation is very environment-friendly, and the wind energy is huge, so that the wind power generation device is increasingly valued in all countries of the world. The method has wide territory in China, abundant wind energy resources and wind power generation as an important field of renewable energy development in China, is an important measure for promoting energy structure adjustment and economic sustainable development, and has remarkable social and environmental protection benefits. The wind power tower is an important supporting structure in a wind power system, the upper part of the wind power tower is connected with a wind generating set, and the lower part of the wind power tower is connected with a foundation. When the wind generating set works, the wind power tower bears dynamic bending and torsion caused by wind load and various vibrations, and the durability and fatigue resistance of the whole tower barrel are particularly remarkable. At present, in order to ensure safe and stable operation of the wind generating set, the wind generating set is usually an all-steel tower, but as the capacity of a single machine is continuously increased, the thickness and the diameter of the tower are continuously increased, so that various difficulties in manufacturing, transportation, maintenance and the like are caused, and the development of the high-power wind generating set is seriously restricted. With the progress and development of ultra-high performance concrete, prestress and assembly type technology in recent years, the use requirement of a tower structure is realized by adopting an assembly type ultra-high performance concrete prefabricated part matched with the prestress technology.

Disclosure of Invention

Aiming at the technical problems of insufficient manufacturing, transportation, maintenance and strength and the like caused by the continuous increase of the thickness and the diameter of the tower in the prior art, the utility model provides an assembled fan tower.

The present utility model achieves the above technical object by the following means.

The utility model provides an assembled fan pylon, includes a plurality of polygonal annular tower section of thick bamboo subassemblies and reducing section tower section of thick bamboo, arbitrary polygonal annular tower section of thick bamboo subassembly includes the polygonal annular tower section of thick bamboo of at least one deck, adjacent connect through reducing section tower section of thick bamboo section between the polygonal annular tower section of thick bamboo subassembly for realize in the longitudinal direction with the polygonal annular tower section of thick bamboo subassembly of different diameters, splice the hoist and mount with the ascending reducing of ladder form and become a complete pylon.

Further, the polygonal annular tower cylinder one end is provided with an inner spigot, the other end of the polygonal annular tower cylinder is provided with an outer spigot, and adjacent polygonal annular tower cylinders in each polygonal annular tower cylinder assembly are matched through the spigot, so that the polygonal annular tower cylinder is convenient to position and particularly suitable for high-altitude hoisting operation.

Further, reducing section tower section of thick bamboo section is the frustum shape, reducing section of thick bamboo both ends set up inner spigot and outer spigot respectively, and polygonal annular tower section of thick bamboo in the adjacent polygonal annular tower section of thick bamboo subassembly passes through the tang cooperation with reducing section of thick bamboo section, realizes that two sections of polygonal annular tower section of thick bamboo subassemblies that upper and lower diameter is different connect on reducing section of thick bamboo, from bottom to top layer by layer connection, convenient location is especially suitable for with high altitude hoist and mount operation.

Further, the polygonal annular tower cylinder comprises a plurality of structural walls and enclosure walls, wherein the structural walls are folded plate-shaped; the structural walls are arranged at the polygonal vertexes of the polygonal annular tower barrels, and at least one enclosure wall is arranged between the adjacent structural walls, so that the strength of the polygonal annular tower barrels can be enhanced, and the butt joint is easier; at least one enclosure wall is arranged between the two structural walls, and a plurality of enclosure walls can be used when the polygonal annular tower barrels on the polygonal annular tower barrel assembly at the bottom layer are spliced so as to enlarge the diameter, and the number of the enclosure walls between the structural walls can be reduced as required.

Further, the structural wall body and the enclosure wall body are reserved with pore channels, the structural wall body and the enclosure wall body are connected through the pore channels by fastening pieces, the fastening pieces can be connecting pieces such as bolts, and the dry type connection is rapid and high in working efficiency.

Furthermore, an adjusting gap is arranged at the joint of the structural wall body and the enclosure wall body, and filling materials are arranged in the adjusting gap, so that the difficulty in splicing caused by production errors of the structural wall body and the enclosure wall body is prevented; and filling materials at the connecting joints between the polygonal annular tower barrels, the connecting joints between the polygonal annular tower barrel components and the tower barrel sections of the variable-diameter section and the adjusting error joints between the structural wall body and the enclosure wall body respectively, wherein the materials can be grouting materials or epoxy resin, can assist in seat slurry leveling during connection, and can also play roles in bonding and leakage prevention.

Further, the tensioning pore canal is preset in the structure wall body, one end of the tensioning pore canal penetrates through the tensioning pore canal of at least two layers of polygonal annular tower barrels through the stress tendons, the tensioning pore canal is used for tensioning the polygonal annular tower barrels adjacently, the integral strength of the polygonal annular tower barrel assembly is improved, and meanwhile, when the polygonal annular tower barrel assembly is assembled up and down, the tensioning pore canal can be tensioned in advance, and the connection precision and the connection efficiency are guaranteed. The polygonal annular towers can be connected in a tensioning mode layer by layer, and a plurality of layers of the polygonal annular towers can be connected in a tensioning mode at intervals, and the tensioning connection condition is suitable for the condition of high strength requirements.

Further, a tensioning pore canal is arranged in the reducing section tower barrel section, an anchoring structure is arranged on the reducing section tower barrel section, one end of each stress rib penetrates through the tensioning pore canal to be connected with the anchoring structure and used for tensioning the reducing section tower barrel section, and the strength of the joint between the adjacent polygonal annular tower barrel components is improved.

Further, the cross-sectional area of the polygonal annular tower in any of the polygonal annular tower assemblies is gradually reduced with the increase of the height.

The utility model has the beneficial effects that:

1. the assembled fan tower adopts a polygonal annular tower barrel wall splicing structure, and the upper and lower wall molds can be universal, so that the mold cost is reduced, and the economic benefit is improved.

2. According to the assembled fan tower, the structural wall body and the enclosure wall body are connected in a dry mode by adopting fasteners such as bolts, so that the installation efficiency is high and the speed is high; in addition, at least one enclosing wall body is arranged between the two structural walls, and a plurality of enclosing wall bodies can be used when the polygonal annular tower barrels on the polygonal annular tower barrel assembly at the bottom layer are spliced, so that the diameter is enlarged, the number of the enclosing wall bodies between the structural walls can be reduced according to the requirement along with the increase of the height, and the number of the moulds for manufacturing the enclosing wall bodies can be reduced.

3. According to the assembled fan tower, the polygonal annular tower barrel is of a polygonal structure, so that integral hoisting can be realized, and the efficiency is improved.

4. The prefabricated fan tower frame adopts the prestress segmented internal tensioning, the polygonal annular tower cylinders can be tensioned and connected layer by layer, a plurality of layers of the polygonal annular tower cylinders can be also tensioned and connected at intervals, and prestress steel bars are arranged in a concrete member to enhance durability, so that the installation efficiency is high and the construction speed is high.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are needed in the embodiments or the description of the prior art will be briefly described, in which the drawings are some embodiments of the utility model, and it will be obvious to those skilled in the art that other drawings can be obtained from these drawings without inventive effort.

FIG. 1 is a schematic view of the overall structure of an assembled fan tower according to the present utility model;

FIG. 2 is an enlarged partial view of the connection relationship of polygonal annular towers of the assembled fan tower according to the present utility model;

FIG. 3 is an enlarged partial view of the connection relationship at the variable diameter section tower section of the assembled fan tower according to the present utility model;

FIG. 4 is a schematic cross-sectional view of a polygonal annular tower barrel of an assembled fan tower according to the present utility model;

FIG. 5 is an enlarged view of a portion of the connection between a wall of an assembled fan tower structure and a containment wall according to the present utility model;

FIG. 6 is an enlarged view of a portion of the assembled wind turbine tower and wind turbine foundation assembly of the present utility model.

In the figure:

1-a polygonal annular tower barrel assembly; 1-1 a polygonal annular tower; 2-structural wall; 3-enclosing a wall body; 4-reducing section tower section; 5-bolt hole channels; 6-a bolt; 7-grooves; 8-stretching the pore canal; 9-stress tendons; 10-a fan foundation; 11-a nut; 12-anchoring structures.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative and intended to explain the present utility model and should not be construed as limiting the utility model.

In the description of the present utility model, it should be understood that the terms "center," "longitudinal," "transverse," "length," "width," "thickness," "upper," "lower," "axial," "radial," "vertical," "horizontal," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present utility model and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

As shown in fig. 1, the assembled fan tower of the utility model comprises a plurality of polygonal annular tower barrel assemblies 1 and a variable diameter section tower barrel section 4, wherein any polygonal annular tower barrel assembly 1 comprises at least one layer of polygonal annular tower barrel 1-1; the adjacent polygonal annular tower barrel assemblies 1 are connected through a variable-diameter section tower barrel section 4, so that the polygonal annular tower barrel assemblies 1 with different diameters are longitudinally spliced and hoisted into a complete tower in a stepped mode. The cross-sectional area of each layer of polygonal annular tower 1-1 in the polygonal annular tower assembly 1 can be the same, and the cross-sectional area can be reduced along with the increase of the height and is in a pagoda shape.

As shown in FIG. 2, one end of the polygonal annular tower 1-1 is provided with an inner spigot, the other end of the polygonal annular tower 1-1 is provided with an outer spigot, and adjacent polygonal annular towers 1-1 in each polygonal annular tower assembly 1 are matched through the spigots, so that the polygonal annular towers are convenient to position and are particularly suitable for high-altitude hoisting operation.

As shown in fig. 3, the variable diameter section tower cylinder section 4 is in a frustum shape, two ends of the variable diameter section tower cylinder section 4 are respectively provided with an inner spigot and an outer spigot, and the polygonal annular tower cylinders 1-1 in the adjacent polygonal annular tower cylinder assemblies 1 are matched with the variable diameter section tower cylinder section 4 through the spigots, so that two sections of polygonal annular tower cylinder assemblies 1 with different upper and lower diameters are connected to the variable diameter section tower cylinder section 4, and the variable diameter section tower cylinder section 4 is convenient to position.

As shown in fig. 4, the polygonal annular tower 1-1 comprises a plurality of structural walls 2 and enclosure walls 3, wherein the structural walls 2 are folded; the angle of the folded plate of the structural wall body 2 is the angle of a polygonal vertex angle formed by the polygonal annular tower barrel 1-1. And a structural wall body 2 is arranged at the polygonal vertex of the polygonal annular tower 1-1, and at least one enclosing wall body 3 is arranged between adjacent structural wall bodies 2. The structural wall body 2 is manufactured by a shaping mould, and the shaping mould is adopted, so that the mould cost is greatly saved; the thickness or the number of each layer of the enclosure wall body 3 can be changed, the enclosure wall body 3 adopts a flat plate sheet with adjustable size manufactured by an adjustable die, the thickness of the enclosure wall body 3 can be adjusted according to different heights of towers, corresponding adjustment can be made, when in use, the thickness of the enclosure wall body 3 can be thinned layer by layer according to different stress requirements of the polygonal annular tower barrel assembly 1, and the die is manufactured simply and the cost can be controlled because the enclosure template 3 is in a flat plate shape; the structural wall 2 is arranged at the polygonal top point of the polygonal annular tower 1-1, so that the strength of the polygonal annular tower 1-1 can be enhanced, and the butt joint is easier; at least one enclosure wall 3 is arranged between the two structural walls 2, and a plurality of enclosure walls 3 can be used when the polygonal annular tower 1-1 on the polygonal annular tower assembly 1 at the bottom layer is spliced to enlarge the diameter, so that the number of the enclosure walls 3 between the structural walls 2 can be reduced as required.

As shown in fig. 5, the structural wall body 2 and the enclosure wall body 3 are reserved with a duct 5, and a fastener penetrates through the duct 5 to connect the structural wall body 2 and the enclosure wall body 3, wherein the fastener can be a connecting piece such as a bolt. Specifically, the structural wall body 2 and the enclosure wall body 3 of the polygonal annular tower barrel 1 are horizontally reserved with a duct 5, nuts 11 for operating grooves for 6 installation are arranged on the inner walls of the structural wall body 2 and the enclosure wall body 3 at the opening parts of the duct 5, and when the structural wall body 2 and the enclosure wall body 3 are spliced, bolts 6 penetrate through the duct 5 to be matched with the nuts 11, and the structural wall body 2 and the enclosure wall body 3 can be quickly spliced into the polygonal annular tower 1-1 by utilizing the matching of the bolts 6 and the nuts 11, so that the connection efficiency between the polygonal annular tower barrels is improved; meanwhile, an adjustment error seam is reserved at the joint of the structural wall body 2 and the enclosure wall body 3, so that the splicing difficulty caused by the production error of the structural wall body 2 and the enclosure wall body 3 is prevented.

An adjusting gap is arranged at the joint of the structural wall body 2 and the enclosure wall body 3, and a filling material is arranged in the adjusting gap; gaps are respectively arranged between the adjacent polygonal annular tower barrels 1-1 and between the polygonal annular tower barrel assembly 1 and the variable-diameter section tower barrel section 4, filling materials are arranged in the gaps, and can be grouting materials or epoxy resins, so that seat slurry leveling can be performed in auxiliary connection, and the effects of bonding and leakage prevention can be achieved.

As shown in fig. 2 and 5, the stretching hole 8 is preset in the structural wall body 2, one end of the stress rib 9 passes through the stretching hole 8 of at least two layers of polygonal annular tower barrels 1-1 and is used for stretching adjacent polygonal annular tower barrels 1-1, so that the integral strength of the polygonal annular tower barrel assembly 1 is improved, and meanwhile, when the structural wall body is assembled up and down, stretching can be performed in advance, and the connection precision and the connection efficiency are ensured. The polygonal annular tower barrels 1-1 can be connected in a layer-by-layer manner, namely, the two polygonal annular tower barrels 1-1 are connected in a one-time tensioning manner through stress steel bars, and the tensioning connection condition is suitable for the condition of high strength requirement; the multi-layer annular tower barrels 1-1 can be stretched and connected at intervals, namely, the multi-layer annular tower barrels 1-1 are stretched and connected once through the stress tendons 9, and the connection condition is suitable for the condition of moderate strength requirements.

The inside of the diameter-variable section tower barrel section 4 is also preset with a tensioning pore canal 8, an anchoring structure 12 is arranged in a groove arranged on the side surface and used for fixing a stress rib 9, the stress rib 9 is connected to the anchoring structure 12 by penetrating through the tensioning pore canal 8, the polygonal annular tower barrel assembly 1 and the diameter-variable section tower barrel section 4 are connected, prestress tensioning connection between the polygonal annular tower barrel assembly 1 and the diameter-variable section tower barrel section 4 is formed, and the strength of the connection part between the adjacent polygonal annular tower barrel assemblies 1 is improved.

As shown in fig. 6, the tower is arranged on the fan foundation 10, a stretching hole 8 and an anchoring structure 12 are preset in the fan foundation 10, the tower is connected with the anchoring structure 12 on the fan foundation 10 through the stretching hole 8 by a stress rib 9, and the bottommost polygonal annular tower barrel assembly 1 is connected with the fan foundation 10, so that the whole tower is fixed on the fan foundation.

When the multi-layer annular tower 1-1 is in operation, each layer of multi-layer annular tower 1-1 is spliced by corresponding structural walls 2 and enclosure walls 3 directly through reserved pore passages 5 by bolts 6, and adjacent multi-layer annular tower 1-1 are assembled together; the adjacent polygonal annular tower barrel assemblies 1 are connected through a variable-diameter section tower barrel section 4, the polygonal annular tower barrel assemblies 1 at the bottommost layer are combined in a mode of seat slurry leveling and tensioning with a stress bar 9, and the polygonal annular tower barrel assemblies 1 at the bottommost layer are firmly fixed on a fan foundation 10; and then sequentially hoisting the spliced polygonal annular tower barrel assemblies 1 according to the diameter until the top layer is reached, and completing the integral splicing of the tower.

It should be understood that although the present disclosure has been described in terms of various embodiments, not every embodiment is provided with a separate technical solution, and this description is for clarity only, and those skilled in the art should consider the disclosure as a whole, and the technical solutions in the various embodiments may be combined appropriately to form other embodiments that will be understood by those skilled in the art.

The above list of detailed descriptions is only specific to practical embodiments of the present utility model, and they are not intended to limit the scope of the present utility model, and all equivalent embodiments or modifications that do not depart from the spirit of the present utility model should be included in the scope of the present utility model.

Claims

1. The assembled fan tower is characterized by comprising a plurality of polygonal annular tower barrel assemblies (1) and reducing section tower barrel sections (4), wherein any polygonal annular tower barrel assembly (1) comprises at least one layer of polygonal annular tower barrel (1-1), and adjacent polygonal annular tower barrel assemblies (1) are connected through the reducing section tower barrel sections (4).

2. The assembled fan tower according to claim 1, wherein one end of the polygonal annular tower (1-1) is provided with an inner spigot, the other end of the polygonal annular tower (1-1) is provided with an outer spigot, and adjacent polygonal annular towers (1-1) in each polygonal annular tower assembly (1) are matched through the spigots.

3. The assembled fan tower according to claim 1, wherein the diameter-variable section tower barrel section (4) is in a frustum shape, an inner spigot and an outer spigot are respectively arranged at two ends of the diameter-variable section tower barrel section (4), and a polygonal annular tower barrel (1-1) in the adjacent polygonal annular tower barrel assembly (1) is matched with the diameter-variable section tower barrel section (4) through the spigots.

4. The assembled fan tower according to claim 1, characterized in that the polygonal annular tower (1-1) comprises a plurality of structural walls (2) and enclosure walls (3), wherein the structural walls (2) are folded; structural walls (2) are arranged at polygon vertexes of the polygonal annular tower cylinder (1-1), and at least one enclosing wall (3) is arranged between every two adjacent structural walls (2).

5. The assembled fan tower according to claim 4, wherein the structural wall (2) and the enclosure wall (3) are reserved with a duct (5), and the structural wall (2) and the enclosure wall (3) are connected by a fastener penetrating through the duct (5).

6. The assembled fan tower according to claim 4, wherein an adjusting gap is arranged at the joint of the structural wall body (2) and the enclosure wall body (3), and a filling material is arranged in the adjusting gap; gaps are respectively arranged between the adjacent polygonal annular tower barrels (1-1) and between the polygonal annular tower barrel components (1) and the variable-diameter section tower barrel sections (4), and filling materials are arranged in the gaps.

7. The assembled fan tower according to claim 4, wherein a stretching hole (8) is preset in the structural wall (2), and one end of each stretching hole (8) penetrates through at least two layers of polygonal annular tower drums (1-1) through a stress rib (9) for stretching adjacent polygonal annular tower drums (1-1).

8. The assembled fan tower according to claim 1, wherein a tensioning duct (8) is arranged in the diameter-variable section tower barrel section (4), an anchoring structure (12) is arranged on the diameter-variable section tower barrel section (4), and one end of each stress rib (9) penetrates through the tensioning duct (8) to be connected with the anchoring structure (12) for tensioning the diameter-variable section tower barrel section (4).

9. The fabricated wind turbine tower of claim 1, wherein the polygonal annular tower (1-1) in any of said polygonal annular tower assemblies (1) has a cross-sectional area that gradually decreases with increasing height of the polygonal annular tower (1-1).