CN218439620U

CN218439620U - Wind power tower cylinder

Info

Publication number: CN218439620U
Application number: CN202222988475.9U
Authority: CN
Inventors: 许福; 刘智攀; 谢慧军; 李振宇; 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, which comprises a cylinder body and a cylinder body reinforcing component, wherein the cylinder body reinforcing component comprises a cylinder body hoop, a reinforcing sleeve, a reinforcing mesh and a pouring reinforcing member, and the cylinder body hoop is tightly held on the outer surface of the cylinder body; the reinforcing sleeve is sleeved outside the cylinder hoop; the reinforcing mesh is preset between the reinforcing sleeve and the barrel hoop before the pouring of the pouring reinforcing member; the pouring reinforcing member is poured between the reinforcing sleeve and the barrel. The utility model has the advantages of guarantee wind power tower cylinder's overall stability and anti-seismic performance, improve the life and the fail safe nature of a tower section of thick bamboo.

Description

Wind power tower cylinder

Technical Field

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

Background

Wind energy has been rapidly developed as a clean, safe and renewable green energy source, and a wind power tower barrel is used as a supporting structure of a wind turbine, and the bearing capacity of the wind power tower barrel is the basic guarantee for 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 the wind power plant and more fully utilize wind power resources, the strength requirement of the wind turbine is usually met by dismantling and rebuilding old towers or reinforcing the old towers. The mode of wind power tower tube demolition wastes a large amount of resources during demolition blasting, has high rebuilding cost and pollutes the environment. The existing tower barrel reinforcing mode is low in safety, high in construction difficulty and difficult to operate.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to overcome the not enough of prior art, provide a whole stability and anti-seismic performance who guarantees wind power tower section of thick bamboo, improve the wind power tower section of thick bamboo of the life and the fail safe nature demand of a tower section of thick bamboo.

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

a wind power tower cylinder comprises a cylinder body and a cylinder body reinforcing component, wherein the cylinder body reinforcing component comprises a cylinder body hoop, a reinforcing sleeve, a reinforcing mesh and a pouring reinforcing member, and the cylinder body hoop is tightly held on the outer surface of the cylinder body; the reinforcing sleeve is sleeved outside the barrel hoop; the reinforcing mesh is preset between the reinforcing sleeve and the barrel hoop before the pouring of the pouring reinforcing member; the pouring reinforcing member is poured between the reinforcing sleeve and the barrel.

As a further improvement of the above technical solution:

the outer wall of the barrel hoop and the inner wall of the reinforcing sleeve are both provided with a plurality of horizontally arranged shear-resistant studs, and the shear-resistant studs positioned on the barrel hoop and the shear-resistant studs positioned on the reinforcing sleeve are arranged in a staggered manner.

The shear-resistant studs positioned on the reinforcing sleeve are uniformly distributed along the circumferential direction and the axial direction of the cylinder body; the shear-resistant studs located on the hoop of the barrel are uniformly distributed along the circumferential direction of the barrel, and at least two shear-resistant studs are arranged along the axial direction of the barrel.

The shear-resistant stud is welded and fixed on the barrel hoop and the reinforcing sleeve.

The number of the barrel hoops is at least two, and the barrel hoops are uniformly arranged along the axial direction of the barrel.

The upper end face of the barrel hoop positioned at the uppermost end is flush with the upper end face of the barrel, and the lower end face of the barrel hoop positioned at the lowermost end is flush with the lower end face of the barrel; the two ends of the reinforcing sleeve are flush with the barrel.

The barrel hoop comprises two semi-annular holding parts, and connecting plates are arranged at two ends of each semi-annular holding part; the connecting plates at the corresponding ends of the two semi-annular enclasping parts are oppositely arranged and fixedly connected through a fastener positioned at the connecting plate.

The reinforcing sleeve comprises two semi-annular reinforcing sections; two ends of the two semi-annular reinforcing sections are mutually overlapped and connected through a fastener at the overlapping position.

Connecting flanges are arranged at two ends of the reinforcing sleeve; the reinforcing sleeves of adjacent cylinders are connected with each other through the connecting flanges.

The connecting flange is provided with a plurality of through holes for the fasteners to pass through, and the through holes are arranged at intervals along the circumferential direction of the connecting flange.

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

the utility model discloses a barrel reinforcement component is provided with a barrel hoop, a reinforcement sleeve, a reinforcing mesh and a pouring reinforcement member, the barrel hoop is tightly held on the outer surface of the barrel so as to form an integral structure synchronously stressed with the barrel outside the barrel, and the whole wind power tower barrel has better cooperativity; the reinforcing sleeve is sleeved outside the barrel hoop and is a pouring template for pouring a reinforcing member, and the reinforcing sleeve has high axial tension and compression rigidity and a tower barrel bearing function; the reinforcing mesh is preset between the reinforcing sleeve and the barrel hoop before the pouring of the pouring reinforcing member, the adhesion between the pouring reinforcing member and the tower barrel is improved due to the arrangement of the reinforcing mesh, and powerful constraint can be formed during the pouring of the pouring reinforcing member, so that the reinforcing mesh can bear certain axial tension, and the rigidity and the strength of the whole structure are effectively improved; the reinforcing member is pour between reinforcing sleeve and barrel to make reinforcing sleeve and barrel form zonulae occludens, 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.

Therefore, the utility model adopts the form of the above-mentioned component combination arrangement to form an integral reinforced structure which is stressed synchronously with the tower drum outside the tower drum, which greatly improves the strength and rigidity of the wind power tower drum, makes the integral stability and the anti-seismic performance of the wind power tower drum excellent, meets the requirements of high cavitation and large-scale bearing reinforcement and wind turbine generator set of the wind turbine, and greatly improves the service life and the safe reliability of the tower drum; the strength and the rigidity of the tower barrel are improved, the wind turbine can be increased in length and height, and the power generation efficiency is further improved. And simultaneously, the utility model discloses simple structure, overall arrangement are compact, occupy smallly, and have avoided a tower section of thick bamboo to demolish the emergence of phenomenons such as wasting of resources and environmental pollution that the reconstruction arouses.

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 of the present invention.

FIG. 2 is a schematic structural diagram of a wind power tower according to the present invention (one of the semi-annular reinforcing sections is not shown).

Fig. 3 is a schematic view of the position relationship between the cylinder hoop and the cylinder of the present invention.

Fig. 4 is a top view of fig. 1.

The reference numerals in the figures denote:

1. a barrel; 2. a barrel reinforcement assembly; 21. a cylinder hoop; 211. a semi-annular hugging portion; 212. a connecting plate; 22. reinforcing the sleeve; 221. a semi-annular reinforcing section; 222. a connecting flange; 223. a through hole; 23. a reinforcing mesh; 3. shear studs.

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.

Fig. 1 and 2 show an embodiment of the wind power tower of the present invention, which includes a barrel 1 and a barrel reinforcement assembly 2. In this embodiment, the barrel reinforcement assembly 2 includes a barrel hoop 21, a reinforcement sleeve 22, a mesh reinforcement 23, and a casting reinforcement. The barrel hoop 21 is tightly held on the outer surface of the barrel 1, so that an integral structure synchronously stressed with the barrel 1 is formed outside the barrel 1, and the wind power tower barrel has better cooperativity as a whole; the reinforcing sleeve 22 is sleeved outside the barrel hoop 21, the reinforcing sleeve 22 is a pouring template for pouring a reinforcing member, and the axial tension and compression rigidity of the reinforcing sleeve 22 is large, so that the tower barrel has a bearing function; the reinforcing mesh 23 is preset between the reinforcing sleeve 22 and the barrel hoop 21 before the pouring of the pouring reinforcing member, the arrangement of the reinforcing mesh improves the adhesion between the pouring reinforcing member and the tower barrel, and powerful constraint can be formed during the pouring of the pouring reinforcing member, so that the reinforcing mesh can bear certain axial tension, and the rigidity and the strength of the whole structure are effectively improved; the pouring reinforcing member is poured between the reinforcing sleeve 22 and the barrel 1, so that the reinforcing sleeve 22 and the barrel 1 are tightly connected, the overall thickness of the tower barrel is increased, and the tower barrel is reliably and effectively reinforced.

As shown in fig. 4, the outer wall of the barrel hoop 21 and the inner wall of the reinforcement sleeve 22 are provided with a plurality of shear studs 3. The shear studs 3 are horizontally arranged, and the shear studs 3 positioned on the barrel hoop 21 and the shear studs 3 positioned on the reinforcing sleeve 22 are arranged in a staggered manner. The shear-resistant stud 3 further increases the contact area between the tower barrel and the pouring reinforcement, increases the friction between the tower barrel and the pouring reinforcement, further enhances the integral support of the tower barrel, and improves the reinforcing effect of the tower barrel.

Further, the shear studs 3 located in the reinforcement sleeve 22 are uniformly distributed along the circumferential direction and the axial direction of the barrel 1; the shear studs 3 located in the barrel hoop 21 are uniformly distributed along the circumference of the barrel 1, and the shear studs 3 located in the barrel hoop 21 are arranged in two along the axial direction of the barrel 1. The distribution mode of the shear-resistant studs 3 effectively ensures the distribution quantity and the distribution range of the shear-resistant studs 3, and further ensures the reinforcing effect. In other embodiments, the number of the shear studs 3 located in the barrel hoop 21 along the axial direction of the barrel 1 can be adjusted according to practical situations, for example, three, four, etc.

In this embodiment, the shear studs 3 are welded and fixed to the barrel hoop 21 and the reinforcement sleeve 22. In other embodiments, the form of the shear stud 3 that can ensure effective fixing connection is within the scope of the present invention.

As shown in fig. 3, the number of the three cylinder hoops 21 is three, the three cylinder hoops 21 are uniformly arranged along the axial direction of the cylinder 1, and an integral structure synchronously stressed with the cylinder 1 is formed outside the cylinder 1, so that the wind power tower integrally has better cooperativity.

Furthermore, the upper end face of the uppermost barrel hoop 21 is flush with the upper end face of the barrel 1, and the lower end face of the lowermost barrel hoop 21 is flush with the lower end face of the barrel 1; the reinforcing sleeve 22 is flush with the cylinder 1 at both ends. The filling range of the pouring reinforcing member is located in the area of the barrel body 1, so that the effective reinforcement of the tower barrel is guaranteed, and meanwhile, the reliable connection between the adjacent barrel bodies 1 is facilitated.

Further, the barrel hoop 21 includes two semi-annular clasping portions 211. The both ends of the half-ring clasping portion 211 are provided with connecting plates 212, the connecting plates 212 of the corresponding ends of the two half-ring clasping portions 211 are oppositely arranged, and the two half-ring clasping portions 211 are fixedly connected through a fastener located at the connecting plates 212. The clamping device ensures reliable clamping of the barrel body 1, and has the advantages of simple structure, reliable connection, convenient and fast disassembly and assembly and high efficiency.

As shown in fig. 1, the reinforcing sleeve 22 comprises two semi-annular reinforcing segments 221. The both ends of two semi-ring reinforcement sections 221 overlap each other, and the both ends of two semi-ring reinforcement sections 221 are connected through the fastener of overlap joint position to form firm reliable barrel 1 structure, and its simple structure, connect reliably, the dismouting is convenient, efficient.

Further, both ends of the reinforcing sleeve 22 are provided with connecting flanges 222; the reinforcing sleeves 22 of adjacent cylinders 1 are connected to each other by a connecting flange 222. In this embodiment, the connecting flange 222 is provided with a plurality of through holes 223, and the plurality of through holes 223 are arranged at intervals along the circumferential direction of the connecting flange 222, so that the fasteners can penetrate through the connected reinforcing sleeves 22, and finally, the reliable connection of the adjacent cylinders 1 is realized.

In this embodiment, pour the reinforcement and be ultra high performance concrete reinforcement, barrel staple bolt 21 is the steel staple bolt, consolidates sleeve 22 and is the steel sleeve.

In this embodiment, the reinforcing step of the wind power tower cylinder is as follows: sequentially installing a cylinder hoop 21 welded with shear resistant studs 3 on the outer surface of the cylinder 1; after the installation of the cylinder hoop 21 is finished, the reinforcing mesh 23 is wound outside the cylinder hoop 21; a reinforcing sleeve 22 is sleeved outside the reinforcing mesh 23; pouring a reinforcing member into the integral space between the reinforcing sleeve 22 and the barrel 1 to complete the reinforcement of the single-section barrel 1; then, the barrel bodies 1 are reinforced along the bottom of the tower from bottom to top according to the above steps, and the adjacent barrel bodies 1 are connected through the connecting flanges 222 at the two ends of the reinforcing sleeve 22.

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 comprises a cylinder body and a cylinder body reinforcing component, and is characterized in that the cylinder body reinforcing component comprises a cylinder body hoop, a reinforcing sleeve, a reinforcing mesh and a pouring reinforcing piece, wherein the cylinder body hoop is tightly held on the outer surface of the cylinder body; the reinforcing sleeve is sleeved outside the cylinder hoop; the reinforcing mesh is preset between the reinforcing sleeve and the barrel hoop before the pouring of the pouring reinforcing member; the pouring reinforcing member is poured between the reinforcing sleeve and the barrel.

2. The wind tower as claimed in claim 1, wherein the outer wall of the barrel hoop and the inner wall of the reinforcement sleeve are provided with a plurality of horizontally arranged shear studs, and the shear studs located in the barrel hoop are staggered from the shear studs located in the reinforcement sleeve.

3. The wind tower of claim 2, wherein the shear studs located on the reinforcing sleeve are uniformly distributed along the circumference and the axial direction of the cylinder; the shear-resistant studs located on the hoop of the barrel are uniformly distributed along the circumferential direction of the barrel, and at least two shear-resistant studs are arranged along the axial direction of the barrel.

4. The wind tower of claim 3, wherein the shear studs are welded to the barrel hoop and the reinforcement sleeve.

5. The wind tower of any one of claims 1 to 4, wherein there are at least two barrel hoops, and the barrel hoops are evenly arranged along the axial direction of the barrel.

6. The wind tower as claimed in claim 5, wherein the upper end face of the barrel hoop located at the uppermost end is flush with the upper end face of the barrel, and the lower end face of the barrel hoop located at the lowermost end is flush with the lower end face of the barrel; the two ends of the reinforcing sleeve are flush with the barrel.

7. The wind tower as claimed in any one of claims 1 to 4, wherein the barrel hoop comprises two semi-annular clasping portions, and connecting plates are arranged at two ends of each semi-annular clasping portion; the connecting plates at the corresponding ends of the two semicircular holding parts are oppositely arranged and fixedly connected through a fastener positioned at the connecting plates.

8. The wind tower of any one of claims 1 to 4, wherein the reinforcing sleeve comprises two semi-annular reinforcing segments; two ends of the two semi-annular reinforcing sections are mutually overlapped and connected through a fastener at the overlapping position.

9. The wind tower as claimed in claim 8, wherein the reinforcing sleeve is provided with connecting flanges at both ends; the reinforcing sleeves of adjacent cylinders are connected with each other through the connecting flanges.

10. The wind tower as claimed in claim 9, wherein the connecting flange is provided with a plurality of through holes for fasteners to pass through, and the plurality of through holes are arranged at intervals along the circumferential direction of the connecting flange.