CN211852058U

CN211852058U - Tower barrel of wind generating set

Info

Publication number: CN211852058U
Application number: CN202021257681.7U
Authority: CN
Inventors: 刘志伟; 刁良丛; 杨飞飞; 史雷; 马崇朋; 齐炳辉
Original assignee: Luneng New Energy Group Co ltd Xinjiang Branch
Current assignee: Luneng New Energy Group Co ltd Xinjiang Branch
Priority date: 2020-07-02
Filing date: 2020-07-02
Publication date: 2020-11-03
Anticipated expiration: 2030-07-02

Abstract

The utility model discloses a wind generating set's a tower section of thick bamboo, a tower section of thick bamboo supports a tower section of thick bamboo for the combination formula, has multiunit tower section of thick bamboo segment, forms through the vertical coincidence of bolt between the tower section of thick bamboo segment. The wind generating set tower barrel is improved by combining a plurality of groups of tower barrel sections, is convenient to transport, place and assemble, and can also enable the height of the wind generating set tower barrel to be adjustable; therefore, the design and manufacturing cost can be reduced, and batch production and manufacturing and cost control of the tower drum assembly are facilitated.

Description

Tower barrel of wind generating set

Technical Field

The utility model relates to a wind generating set field specifically is a wind generating set's a tower section of thick bamboo.

Background

With the development of wind power generation technology, the design and manufacture of wind generating sets has entered the era of large-scale and mass production. The tower drum serving as an important bearing part of the wind driven generator unit is relatively stable in appearance and structural form, so that mass production is easily realized, and the manufacturing cost of the whole unit is effectively reduced. In recent years, with the vigorous development of low wind speed wind power projects, the height of a tower of a wind generating set is increasing in order to improve the generating capacity. With the continuous increase of the capacity of the wind generating set and the urgency of high-altitude wind energy utilization in areas with large wind shear, wind generator towers with the height of more than 100 meters are increasingly favored by the market. In order to meet the requirements of building and using high towers and to increase the stability of the high towers, the diameter of the bottom of the tower needs to be increased to obtain the optimal effect. Many wind turbine tower structures of different structures are also present.

The invention of patent number CN201710624110.9 provides a tower cylinder of a wind generating set, an installation method of the tower cylinder and the wind generating set, wherein the tower cylinder of the wind generating set comprises one or more telescopic tower cylinders which are connected in sequence, the bottom of the tower cylinder wall of each telescopic tower cylinder is supported on three or more hydraulic cylinders which are distributed along the circumference of the telescopic tower cylinder, and the tower cylinder is fixedly connected with piston rods of the hydraulic cylinders; when the telescopic tower cylinder is provided with more than two sections, the two adjacent sections of telescopic tower cylinders are connected through the hydraulic cylinder, and the hydraulic cylinder is fixed on the top circumference of the tower cylinder wall of the telescopic tower cylinder positioned at the lower part.

Patent number CN 201620229147.2's utility model provides a wind generating set's a tower section of thick bamboo and wind generating set, this tower section of thick bamboo includes two at least tower section of thick bamboo segmentation, wherein at least one tower section of thick bamboo segmentation is formed along circumference concatenation by two at least tower section of thick bamboo burst, at least one side of each tower section of thick bamboo burst is provided with the first connecting portion of protrusion in tower section of thick bamboo burst's inner wall, the topside and/or the base of each tower section of thick bamboo burst are provided with the second connecting portion of protrusion in tower section of thick bamboo burst's inner wall, the junction of first connecting portion and second connecting portion is provided with the connecting plate, the riser and the laminating of first connecting portion and fixed of.

The utility model of patent No. CN201420855112.0 discloses a tower cylinder of a wind generating set, which comprises a top transition section, wherein the upper end of the top transition section is provided with a first flange which is matched and connected with a yaw bearing of a cabin of the wind generating set, and the lower end of the top transition section is provided with a second flange; the upper end of the middle section is provided with a third flange which is matched and connected with the second flange, the lower end of the middle section is provided with a fourth flange, and a platform and accessories required by the wind generating set are arranged in the middle section; the upper end of the bottom transition section is provided with a fifth flange which is in matched connection with the fourth flange, and the lower end of the bottom transition section is provided with a sixth flange which is in matched connection with the foundation ring of the tower; wherein, the second flange and the third flange and the fourth flange and the fifth flange are detachably connected into a whole through bolts.

However, analysis shows that the utilization rate of the traditional tower drum structure is low, the design and manufacturing cost of the tower drum is greatly increased, and the batch production of the tower drum and the cost control of the wind generating set are not facilitated. In addition, the traditional wind generating set tower barrel is too high, the diameter and the wall thickness of the tower barrel are greatly increased, and the weight of the tower barrel is also multiplied, so that the traditional tower barrel is too high, which is not economical and causes serious waste of resources; therefore, most of the existing tower drums are of an integral structure, and occupy a large storage space during transportation.

SUMMERY OF THE UTILITY MODEL

Therefore, in order to solve the above-mentioned deficiencies, the present invention provides a tower of a wind turbine generator system; the wind generating set tower barrel is improved by combining a plurality of groups of tower barrel sections, is convenient to transport, place and assemble, and can also enable the height of the wind generating set tower barrel to be adjustable; therefore, the design and manufacturing cost can be reduced, and batch production and manufacturing and cost control of the tower drum assembly are facilitated.

The utility model discloses a realize like this, construct a wind generating set's a tower section of thick bamboo, a tower section of thick bamboo supports a tower section of thick bamboo for the combination formula, has multiunit tower section of thick bamboo segment, forms through the vertical coincidence of bolt between the tower section of thick bamboo segment. The wind generating set tower barrel is improved by combining a plurality of groups of tower barrel sections, is convenient to transport, place and assemble, and can also enable the height of the wind generating set tower barrel to be adjustable; therefore, the design and manufacturing cost can be reduced, and batch production and manufacturing and cost control of the tower drum assembly are facilitated.

Optimized, each group of tower barrel sections is of a cylindrical structure with a small top and a large bottom formed by two semicircular cylinders, the upper ends and the lower ends of the two semicircular cylinders are provided with disc surfaces capable of being fixedly connected through bolts, and the left side surfaces and the right side surfaces of the two semicircular cylinders are respectively provided with strip-shaped surfaces capable of being fixedly connected through bolts. The two semicircular cylinders are made of steel materials and fixedly connected through bolts, so that the overall rigidity of the tower can be effectively improved. In addition, when tower sections are assembled from two semi-circular cylinders, the semi-circular cylinders are manufactured and shipped more than cylindrical.

Preferably, the cable protection component is bonded to the inner part of the tower barrel section. The cable protection device can effectively solve the problems of cable twisting, cable abrasion, cable routing, maintenance and the like in the tower barrel.

Preferably, the cable protection component is made of plastic materials, and a plurality of cable through holes are formed in the middle of the cable protection component.

Optimally, the tower barrel section at the bottom is provided with a door opening; the inside of the tower barrel is overhauled and maintained through the door opening 5.

The utility model has the advantages of as follows:

the method has the advantages that: the utility model discloses a tower section of thick bamboo is the combination formula support tower section of thick bamboo, has multiunit tower section of thick bamboo segment, forms through the vertical coincidence of bolt between the tower section of thick bamboo segment. The wind generating set tower barrel is improved by combining a plurality of groups of tower barrel sections, is convenient to transport, place and assemble, and can also enable the height of the wind generating set tower barrel to be adjustable; therefore, the design and manufacturing cost can be reduced, and batch production and manufacturing and cost control of the tower drum assembly are facilitated.

The method has the advantages that: each group of tower barrel sections are of a cylindrical structure with a small upper part and a large lower part formed by two semicircular cylinders, the upper ends and the lower ends of the two semicircular cylinders are provided with disc surfaces which can be fixedly connected through bolts, and the left side surface and the right side surface of the two semicircular cylinders are respectively provided with strip surfaces which can be fixedly connected through bolts. The two semicircular cylinders are made of steel materials and fixedly connected through bolts, so that the overall rigidity of the tower can be effectively improved. In addition, when tower sections are assembled from two semi-circular cylinders, the semi-circular cylinders are manufactured and shipped more than cylindrical.

The method has the advantages that: and a cable protection component is bonded inside the tower barrel section. The cable protection component is made of plastic materials, and a plurality of cable through holes are formed in the middle of the cable protection component, as shown in fig. 2. The cable protection device can effectively solve the problems of cable twisting, cable abrasion, cable routing, maintenance and the like in the tower barrel.

The advantages are that: the tower section of thick bamboo section of bottom has the door opening, realizes the maintenance to tower section of thick bamboo inside through the door opening, maintains the operation.

Drawings

FIG. 1 is a schematic view of an overall assembly of a tower of a wind turbine generator system according to the present invention;

FIG. 2 is a schematic view of the cable guard assembly inside a tower section according to the present invention;

FIG. 3 is a schematic view of the outside of a semicircular cylinder in the present invention;

fig. 4 is a schematic perspective view of the outer part of the middle semicircular cylinder of the present invention.

Wherein: tower section of thick bamboo 1, two semicircular cylinders 2, disc face 2A, bar face 2B, cable protection component 3, the cable passes hole 4, door opening 5.

Detailed Description

The present invention will be described in detail with reference to fig. 1 to 4, and the technical solutions in the embodiments of the present invention will be clearly and completely described, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The present invention provides a tower of a wind turbine generator system by improving, as shown in fig. 1 to 4, the following method may be implemented; the tower cylinder is a combined type supporting tower cylinder and is provided with a plurality of groups of tower cylinder segments 1, and the tower cylinder segments 1 are vertically overlapped through bolts. The wind generating set tower barrel is provided aiming at the problem that the existing wind generating set tower barrel integral structure occupies a larger storage space during transportation, and the tower barrel is formed by combining a plurality of groups of tower barrel sections 1 after improvement, so that the wind generating set tower barrel is convenient to transport, place and assemble, and in addition, the height of the wind generating set tower barrel can be adjusted; therefore, the design and manufacturing cost can be reduced, and batch production and manufacturing and cost control of the tower drum assembly are facilitated.

Each group of tower barrel sections 1 is a cylindrical structure with a small top and a large bottom formed by two semicircular cylinders 2, the upper ends and the lower ends of the two semicircular cylinders 2 are provided with disc surfaces 2A which can be fixedly connected through bolts, and the left side surface and the right side surface of each semicircular cylinder 2 are respectively provided with strip surfaces 2B which can be fixedly connected through bolts. The two semicircular cylinders 2 are made of steel materials and fixedly connected through bolts, so that the overall rigidity of the tower can be effectively improved. In addition, when the tower segment 1 is assembled from two semicircular cylinders 2, the semicircular cylinders are more easily manufactured and transported than the cylindrical cylinders.

A cable guard assembly 3 is also bonded to the interior of the tower segment 1. The cable guard assembly 3 is made of plastic material, and a plurality of cable passing holes 4 are formed in the middle of the cable guard assembly, as shown in fig. 2. The cable protection device can effectively solve the problems of cable twisting, cable abrasion, cable routing, maintenance and the like in the tower barrel.

The tower section 1 at the bottom is provided with a door opening 5, and the inside of the tower is overhauled and maintained through the door opening 5.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A tower barrel of a wind generating set is characterized in that; the tower cylinder is a combined type supporting tower cylinder and is provided with a plurality of groups of tower cylinder segments (1), and the tower cylinder segments (1) are vertically overlapped through bolts.

2. The tower of a wind turbine according to claim 1, wherein; each group of tower barrel sections (1) is of a cylindrical structure with a small top and a large bottom formed by two semicircular cylinders (2), the upper ends and the lower ends of the two semicircular cylinders (2) are provided with disc surfaces (2A) which can be fixedly connected through bolts, and the left side surface and the right side surface of each semicircular cylinder (2) are respectively provided with a strip surface (2B) which can be fixedly connected through bolts.

3. The tower of a wind turbine according to claim 1 or 2, wherein; and a cable protection component (3) is bonded inside the tower drum segment (1).

4. The tower of a wind turbine according to claim 3, wherein; the cable protection component (3) is made of plastic materials, and a plurality of cable through holes (4) are formed in the middle of the cable protection component.

5. The tower of a wind turbine according to claim 1, wherein; the bottom tower segment (1) has a door opening (5).