CN218439619U

CN218439619U - Wind power tower cylinder with reinforcing function

Info

Publication number: CN218439619U
Application number: CN202222988473.XU
Authority: CN
Inventors: 许福; 谢慧军; 李振宇; 刘智攀; 陈俊; 杨千才
Original assignee: Jiangsu Panyuntai Technology Co ltd; Jiangsu Zhongyunzhu Intelligent Operation And Maintenance Research Institute Co ltd; Xiangtan University
Current assignee: Jiangsu Panyuntai Technology Co ltd; Jiangsu Zhongyunzhu Intelligent Operation And Maintenance Research Institute Co ltd; Xiangtan University
Priority date: 2022-11-10
Filing date: 2022-11-10
Publication date: 2023-02-03
Anticipated expiration: 2032-11-10

Abstract

The utility model provides a wind power tower cylinder with reinforcement function, including barrel and barrel reinforcement subassembly, the barrel reinforcement subassembly includes atress rack and concrete reinforcement spare, wherein, the atress rack includes fastening reinforcement ring and the vertical connecting rod that sets up from inside to outside along the barrel is radial in, the internal diameter of the fastening reinforcement ring that is located the inlayer is adjustable, in order to hold tightly the surface of barrel; the concrete reinforcement is arranged at the stress net rack and is tightly connected with the barrel. The utility model has the advantages of improve a tower section of thick bamboo life and fail safe nature, and simple structure.

Description

Wind power tower cylinder with reinforcing function

Technical Field

The utility model relates to a wind power tower cylinder consolidates the field, especially relates to a wind power tower cylinder with reinforcement function.

Background

Wind energy has been rapidly developed as a clean, safe and renewable green energy source, and a wind power tower is used as a supporting structure of a wind turbine, and the bearing capacity of the wind power tower is the basic guarantee for the normal operation of the wind turbine. The existing wind turbine is easily affected by fatigue stress to cause bearing capacity reduction due to long-term wind load effect and aging of the tower drum, so that the stability and safety of the wind turbine are poor.

In order to improve the installed capacity of a wind power plant and more fully utilize wind power resources, the strength requirement of a wind turbine is usually met by welding and additionally installing components outside an original steel cylinder. The mode can cause the original steel cylinder to generate welding residual stress, and the safety of the original tower cylinder is influenced; meanwhile, the wind power tower barrel is reinforced to be operated at high altitude (usually 65 to 80m), welding and installation need multipoint irregular welding, construction difficulty is high, requirements on operators are high, and the influence of residual stress on the structure is easily aggravated due to improper operation.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to overcome prior art's not enough, provide an improve a tower section of thick bamboo life and fail safe nature, and simple structure's wind power tower cylinder with reinforcement function.

In order to solve the technical problem, the utility model provides a technical scheme does:

a wind power tower cylinder with a reinforcing function comprises a cylinder body and a cylinder body reinforcing assembly, wherein the cylinder body reinforcing assembly comprises a stress net rack and a concrete reinforcing member, the stress net rack comprises fastening reinforcing rings and vertical connecting rods which are alternately arranged from inside to outside along the radial direction of the cylinder body, and the inner diameter of the fastening reinforcing ring positioned on the innermost layer can be adjusted to tightly hold the outer surface of the cylinder body; the concrete reinforcement is arranged at the stress net rack and is tightly connected with the barrel.

As a further improvement of the above technical solution:

the fastening reinforcing ring positioned on the innermost layer comprises at least two divided sections, and an adjusting part for adjusting the stress applied to the cylinder body by the fastening reinforcing ring is arranged between the adjacent divided sections.

The adjusting component comprises an adjusting block and two adjusting nuts; and the adjacent split sections penetrate through the adjusting block, and one end of the split section penetrating through the adjusting block is in threaded connection with the adjusting nut.

The inner surface of the adjusting block is attached to the outer surface of the cylinder body.

Each layer of the radial arrangement of barrel the fastening reinforcing ring is a plurality of, and is a plurality of the fastening reinforcing ring is along the axial interval arrangement of barrel.

Each layer of setting along the barrel is radial vertical connecting rod is a plurality of, and is a plurality of vertical connecting rod is followed the circumference interval arrangement of barrel.

And the adjacent fastening reinforcing rings are welded or bound and fixed with the vertical connecting rods.

The fastening reinforcing ring is a steel reinforcing ring, and the vertical connecting rod is a steel connecting rod.

The concrete reinforcement is an early strength concrete reinforcement.

Compared with the prior art, the utility model has the advantages of:

the utility model discloses set up atress rack and concrete reinforcement outside the barrel. The stressed net rack comprises fastening reinforcing rings and vertical connecting rods which are alternately arranged from inside to outside along the radial direction of the barrel, and the stressed net rack is formed outside the barrel in a combined arrangement mode of the fastening reinforcing rings and the vertical connecting rods, so that the adhesiveness between the concrete reinforcing member and the barrel is greatly improved, powerful restraint can be formed when the concrete reinforcing member is poured, the stressed net rack can bear certain axial tension, and the integral rigidity and strength of the tower can be effectively improved; the internal diameter of the fastening reinforcing ring located on the innermost layer is adjustable, the fastening reinforcing ring is guaranteed to effectively hold the barrel tightly, meanwhile, the stress applied to the barrel by the fastening reinforcing ring is controllable, effective reinforcement of different tower barrels is achieved, and the mode of tightly holding connection avoids damage to the barrel caused by welding components of the barrel. Simultaneously, the atress rack department is located to the concrete reinforcement, and concrete reinforcement and barrel zonulae occludens, and it has increased the whole thickness of a tower section of thick bamboo, has realized the reliable reinforcement to whole a tower section of thick bamboo.

The utility model adopts the reinforced concrete composite structure, which can give full play to the material characteristics of steel and concrete, has the advantages of good stability, large rigidity, high bearing capacity, good fatigue resistance and the like, improves the service life and the operating power of the tower cylinder, and meets the bearing and reinforcing requirements of the wind turbine; meanwhile, the influence of welding residual stress caused by additionally installing a component in the external welding of the original steel cylinder body is greatly reduced, the damage risk of the tower cylinder is reduced, the safety and the stability of the wind power tower cylinder are ensured, and the requirements of high cavitation and large-scale bearing reinforcement of a wind turbine and a wind power generator set are met. The utility model discloses simple structure is compact, easily is under construction, applicable in the reinforcement demand of different grade type wind power tower section of thick bamboo.

Drawings

The present invention will be described in more detail hereinafter based on embodiments and with reference to the accompanying drawings. Wherein:

fig. 1 is a schematic structural diagram of a wind power tower with a reinforcing function (concrete reinforcement is not shown).

Fig. 2 is a front view of fig. 1.

Fig. 3 is a top view of fig. 1.

FIG. 4 is a sectional view of the wind power tower with reinforcement function of the present invention.

The reference numerals in the figures denote:

1. a cylinder body; 2. a barrel reinforcement assembly; 21. a stressed net rack; 211. fastening a reinforcing ring; 2111. a segmented section; 212. a vertical connecting rod; 22. a concrete reinforcement; 3. an adjustment member; 31. an adjusting block; 32. and adjusting the nut.

Detailed Description

The invention will be described in further detail with reference to the drawings and specific examples, but the scope of the invention is not limited thereto.

As shown in fig. 1 to 4, the wind power tower with the reinforcing function of the embodiment includes a cylinder 1 and a cylinder reinforcing component 2. In this embodiment, the cylinder body reinforcing component 2 includes a stressed net rack 21 and a concrete reinforcing component 22, the stressed net rack 21 includes a fastening reinforcing ring 211 and vertical connecting rods 212, and the fastening reinforcing ring 211 and the vertical connecting rods 212 are alternately arranged from inside to outside along the radial direction of the cylinder body 1; the inner diameter of the fastening reinforcing ring 211 positioned at the innermost layer can be adjusted so as to tightly hold the outer surface of the cylinder body 1; the concrete reinforcement 22 is arranged at the stress net rack 21, and the concrete reinforcement 22 is tightly connected with the barrel 1.

The fastening reinforcing ring 211 and the vertical connecting rod 212 of the utility model are combined to form a stress net rack 21 outside the barrel 1, which greatly improves the adhesion between the concrete reinforcement 22 and the barrel 1, and can form a powerful constraint when the concrete reinforcement 22 is poured, so that the concrete reinforcement 22 can bear a certain axial tension, thereby effectively improving the overall rigidity and strength of the tower; the internal diameter of the fastening reinforcing ring 211 positioned on the innermost layer is adjustable, and the fastening reinforcing ring 211 can ensure that the fastening reinforcing ring 211 can effectively hold the cylinder body 1 tightly, and meanwhile, the stress applied to the cylinder body 1 by the fastening reinforcing ring 211 is controllable, so that the effective reinforcement of different tower cylinders can be realized, and the damage to the cylinder body 1 caused by welding components of the cylinder body 1 can be avoided in a tightly holding connection mode. Simultaneously, atress rack 21 department is located to concrete reinforcement 22, and concrete reinforcement 22 and barrel 1 zonulae occludens, and it has increased the whole thickness of a tower section of thick bamboo, has realized the reliable reinforcement to a whole tower section of thick bamboo.

The utility model adopts the reinforced concrete composite structure, which can give full play to the material characteristics of steel and concrete, has the advantages of good stability, large rigidity, high bearing capacity, good fatigue resistance and the like, improves the service life and the operating power of the tower cylinder, and meets the bearing and reinforcing requirements of the wind turbine; meanwhile, the influence of welding residual stress caused by additionally installing a component in the external welding of the original steel cylinder body is greatly reduced, the damage risk of the tower cylinder is reduced, the safety and the stability of the wind power tower cylinder are ensured, and the requirements of high cavitation and large-scale bearing reinforcement of a wind turbine and a wind power generator set are met. The utility model discloses simple structure is compact, easily is under construction, applicable in different grade type wind power tower cylinder's reinforcement demand.

As shown in fig. 1, the fastening reinforcement ring 211 located at the innermost layer includes two divided sections 2111, and an adjustment component 3 is provided between the adjacent divided sections 2111. It adjusts convenience, operating efficiency is high, and when guaranteeing that the barrel 1 is effectively held tightly to the fastening reinforcing ring 211 for the stress that the barrel 1 was applyed to the fastening reinforcing ring 211 is adjustable, guarantees the effective reinforcement of different grade type tower section of thick bamboo. In other embodiments, the number of the split sections 2111 may be adjusted according to actual situations, for example, three, four, etc.

Further, the adjustment member 3 includes an adjustment block 31 and two adjustment nuts 32. The adjacent divided sections 2111 pass through the adjusting block 31, and one end of the divided section 2111 passing through the adjusting block 31 is screwed with an adjusting nut 32. The adjusting structure is simple, the adjacent split sections 2111 can be reliably connected, meanwhile, the relative position of the adjacent split sections 2111 can be adjusted through rotation of the adjusting nut 32, the purpose of adjusting the inner diameter of the fastening reinforcing ring 211 is achieved, and the adjusting structure is convenient to adjust and high in adjusting reliability.

Further, the inner surface of the regulating block 31 is attached to the outer surface of the cylinder 1. It makes the reliable fixed mounting of fastening reinforcing ring 211, has guaranteed that fastening reinforcing ring 211 effectively pastes the surface of barrel 1.

As shown in fig. 1 and 2, the fastening reinforcement ring 211 is provided in two layers; the vertical connecting rods 212 are one layer, and the one layer of vertical connecting rods 212 are connected between the two layers of fastening reinforcing rings 211. In other embodiments, the number of the fastening reinforcing rings 211 and the vertical connecting rods 212 can be adjusted according to the size of the wind power tower and the setting thickness of the concrete reinforcement 22, for example, the fastening reinforcing rings 211 can also be set to be three layers, four layers, etc., and the vertical connecting rods 212 can also be set to be two layers, three layers, etc., so as to be suitable for wind power tower cylinders of different types.

In this embodiment, four fastening reinforcing rings 211 are provided at the inner layer, and the four fastening reinforcing rings 211 are arranged at intervals along the axial direction of the cylinder 1; the number of the fastening reinforcing rings 211 at the outer layer is three, and the three fastening reinforcing rings 211 are arranged at intervals along the axial direction of the cylinder body 1. As shown in fig. 3, the number of the vertical connecting rods 212 is ten, and the ten vertical connecting rods 212 are arranged at intervals along the circumferential direction of the cylinder 1. In other embodiments, the number of fastening reinforcing rings 211 and vertical connecting rods 212 can be adjusted according to actual conditions.

Further, the adjacent fastening reinforcing rings 211 are welded and fixed with the vertical connecting rods 212 to form a firm and reliable stressed net rack 21. In other embodiments, the protection scope of the present invention should be limited as long as the adjacent fastening reinforcement ring 211 and the vertical connecting rod 212 can be reliably fixed, and the fastening reinforcement ring 211 and the vertical connecting rod 212 can also be fixed in a binding manner.

In this embodiment, the fastening reinforcing ring 211 is a steel reinforcing ring, and the vertical connecting rod 212 is a steel connecting rod. The reinforcing effect of a wind power tower cylinder is further ensured by forming a steel bar net rack which is stable, reliable and high in strength.

In this embodiment, the concrete stiffener 22 is an early strength concrete stiffener. Early strong concrete reinforcement sprays in atress rack 21 department after atress rack 21 installation is accomplished, and early strong concrete reinforcement's solidification rate is fast, can reach the strength requirement in the short time.

In this embodiment, the operation steps of the wind power tower with the reinforcement function are as follows: connecting the two divided sections 2111 of the fastening reinforcing ring 211 positioned on the inner layer through the adjusting block 31, installing the adjusting nut 32, and controlling the stress applied to the barrel 1 by the fastening reinforcing ring 211 through the rotation of the adjusting nut 32 until the preset stress requirement is met; the vertical connecting rod 212 is welded and fixed on the fastening reinforcing ring 211 of the inner layer; the fastening reinforcing ring 211 positioned at the outer layer is welded and fixed outside the vertical connecting rod 212, and the installation of the stressed net rack 21 is completed; and then, spraying the concrete reinforcing member 22 to the stressed net rack 21, and solidifying the concrete reinforcing member 22 to finish the reinforcement of the wind power tower.

While the invention has been described with reference to a preferred embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. In particular, the technical features mentioned in the embodiments can be combined in any way as long as there is no structural conflict. The present invention is not limited to the particular embodiments disclosed herein, but encompasses all technical solutions falling within the scope of the claims.

Claims

1. A wind power tower cylinder with a reinforcing function comprises a cylinder body and a cylinder body reinforcing assembly, and is characterized in that the cylinder body reinforcing assembly comprises a stress net rack and a concrete reinforcing member, wherein the stress net rack comprises fastening reinforcing rings and vertical connecting rods which are alternately arranged from inside to outside along the radial direction of the cylinder body, and the inner diameter of the fastening reinforcing ring positioned on the innermost layer is adjustable so as to hold the outer surface of the cylinder body tightly; the concrete reinforcement is arranged at the stress net rack and is tightly connected with the barrel.

2. The wind tower with reinforcement function according to claim 1, wherein the fastening reinforcement ring located on the innermost layer comprises at least two separate segments, and an adjusting member for adjusting the stress applied to the drum body by the fastening reinforcement ring is arranged between the adjacent separate segments.

3. The wind tower with reinforcement function of claim 2, wherein the adjustment member comprises an adjustment block and two adjustment nuts; and the adjacent split sections penetrate through the adjusting block, and one end of the split section penetrating through the adjusting block is in threaded connection with the adjusting nut.

4. The wind tower with reinforcement function of claim 3, wherein the inner surface of the adjustment block is attached to the outer surface of the barrel.

5. The wind tower with the reinforcing function according to any one of claims 1 to 4, wherein a plurality of layers of the fastening reinforcing rings are arranged along a radial direction of the barrel, and the plurality of fastening reinforcing rings are arranged at intervals along an axial direction of the barrel.

6. The wind power tower with the reinforcement function of claim 5, wherein a plurality of vertical connecting rods are arranged along the radial direction of the barrel body at each layer, and are arranged at intervals along the circumferential direction of the barrel body.

7. The wind tower with the reinforcement function of claim 6, wherein adjacent fastening reinforcing rings are welded or bound to the vertical connecting rods.

8. The wind tower with the reinforcing function according to any one of claims 1 to 4, wherein the fastening reinforcing ring is a steel reinforcing ring, and the vertical connecting rod is a steel connecting rod.

9. The wind tower with reinforcement function according to any one of claims 1 to 4, wherein the concrete reinforcement is an early strength concrete reinforcement.