CN210622988U

CN210622988U - Tower barrel of wind driven generator

Info

Publication number: CN210622988U
Application number: CN201921853860.4U
Authority: CN
Inventors: 沈凯
Original assignee: Ningbo Zhongxing Hydraulic Machinery Co ltd
Current assignee: Ningbo Zhongxing Hydraulic Machinery Co ltd
Priority date: 2019-10-30
Filing date: 2019-10-30
Publication date: 2020-05-26
Anticipated expiration: 2029-10-30

Abstract

The utility model relates to a tower cylinder of wind driven generator, including the cylindrical son section of thick bamboo of multistage, the lower pot head of the sub section of thick bamboo in upper portion in two adjacent son sections of thick bamboos is established in the sub section of thick bamboos in lower part upper end and is fixed through the second bolt, and every son section of thick bamboo includes the unanimous section of thick bamboo piece of a plurality of shape and size, and the radial shaping in section of thick bamboo piece both sides limit has the concatenation strip, and the concatenation strip looks butt and the card of two adjacent section of thick bamboos are established in the bar. The tower drum adopting the design is very convenient to transport and assemble.

Description

Tower barrel of wind driven generator

Technical Field

The utility model relates to a aerogenerator technical field, concretely relates to aerogenerator tower section of thick bamboo.

Background

In wind power generation, a tower is used for bearing components such as blades and generator sets. Because the tower section of thick bamboo has tens meters height usually, and aerogenerator all builds in comparatively remote position usually, and the transportation is comparatively inconvenient, consequently has brought very big difficulty for the transportation of tower section of thick bamboo, consequently just carries out segmentation design to the tower section of thick bamboo, and the scene is spliced, but in order to bear parts such as blade, the diameter of tower section of thick bamboo is all great usually, still has more inconvenience during the transportation.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a main aim at provides a aerogenerator tower section of thick bamboo convenient to transportation.

In order to achieve the above purpose, the utility model adopts the technical scheme that: a wind driven generator tower is characterized in that: the cylinder comprises a plurality of sections of cylindrical sub-cylinders, wherein the diameters of the lower ends of the sub-cylinders positioned at the upper part and the upper ends of the sub-cylinders positioned at the lower part in two adjacent sub-cylinders are equal, each sub-cylinder comprises a plurality of cylinder sheets with the same shape and size and fixing strips, splicing strips are arranged on the two side edges of each cylinder sheet in a protruding mode outwards in the radial direction, and first fixing holes are formed in the splicing strips; the length of the fixing strip is the same as that of the splicing strip, the fixing strip is vertically provided with a strip-shaped groove, two side walls of the strip-shaped groove are provided with second fixing holes which penetrate through the groove, and the arrangement position of each second fixing hole corresponds to the first fixing hole; the corresponding splicing strips of two adjacent cylinder sheets are abutted, and the abutted splicing strips are clamped in the strip-shaped grooves of the corresponding fixing strips, and first bolts are arranged in the first fixing holes and the second fixing holes to fix the splicing strips and the fixing strips;

in two adjacent son section of thick bamboos, the lower extreme inner wall of an upper portion son section of thick bamboo is equipped with first ladder, and the upper end outer wall of a lower part son section of thick bamboo is equipped with the second ladder, the lower pot head of an upper portion son section of thick bamboo is established in the upper end of a lower part son section of thick bamboo, just first ladder offsets with the second ladder, is equipped with the third fixed orifices that runs through on the lower extreme lateral wall of an upper portion son section of thick bamboo, is equipped with the fourth fixed orifices that runs through on the upper end lateral wall of a lower part son section of thick bamboo, be provided with two adjacent son sections of thick bamboo about the second.

Further, the tower cylinder is provided with an arc backing ring matched with the periphery of the tower cylinder on the outer side of the third fixing hole, an annular gasket matched with the inner periphery of the tower cylinder is arranged on the inner side of the fourth fixing hole, and the second bolt penetrates through the arc backing ring, the fourth fixing hole, the third fixing hole and the annular gasket in sequence and then is fixed through a nut. Through setting up arc backing ring and annular gasket, can increase the joint strength between the child section of thick bamboo.

Further, the number of the cylinder sheets of each sub-cylinder is four.

Compared with the prior art, the utility model has the advantages of it is following: the tower drum is arranged in a segmented mode, so that the tower drum is convenient to transport, and the sub drums and the drum pieces are fixed by bolts, so that the disassembly is very convenient; by arranging the fixing strips, external rainwater can be prevented from flowing into the tower barrel from gaps among the splicing strips; the shape and the size of each cylinder sheet are set to be the same, and the cylinder sheets do not need to be distinguished when being assembled, so that the assembly efficiency of the sub-cylinder can be improved; through setting up arc backing ring and annular gasket, can strengthen the joint strength between the son section of thick bamboo.

Drawings

FIG. 1 is a schematic structural view of a tower according to a preferred embodiment of the present invention;

FIG. 2 is a schematic diagram of an exploded structure of a tower according to a preferred embodiment of the present invention;

FIG. 3 is a schematic cross-sectional view of the connection position between the sub-cartridges according to a preferred embodiment of the present invention;

fig. 4 is a schematic cross-sectional view of the connection position between the sheets according to a preferred embodiment of the present invention.

Detailed Description

The following description is presented to disclose the invention so as to enable any person skilled in the art to practice the invention. The preferred embodiments in the following description are given by way of example only, and other obvious variations will occur to those skilled in the art.

In the description of the present invention, it should be noted that, for the terms of orientation, such as "central", "lateral", "longitudinal", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., the terms of orientation and positional relationship indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and should not be construed as limiting the specific scope of protection of the present invention.

As shown in fig. 1 to 4, which are schematic structural diagrams of a preferred embodiment of the present invention, as shown in the drawings, the tower cylinder of the wind power generator includes a multi-section cylindrical sub-cylinder 1, in two adjacent sub-cylinders 1, the diameter of the lower end of the sub-cylinder 1 located at the upper portion is equivalent to the diameter of the upper end of the sub-cylinder 1 located at the lower portion, each sub-cylinder 1 includes a plurality of cylinder sheets 11 and fixing strips 12 with the same shape and size, the two side edges of the cylinder sheets 11 are provided with splicing strips 111 protruding outwards in the radial direction, and the splicing strips 111 are provided with first fixing holes 112; the length of the fixing strip 12 is the same as that of the splicing strip 111, the fixing strip 12 is vertically provided with a strip groove 121, two side walls of the strip groove 121 are provided with second fixing holes 122 which penetrate through the fixing strip, and the arrangement positions of the second fixing holes 122 correspond to the first fixing holes 112; the corresponding splicing strips 111 of two adjacent cylinder sheets 11 are abutted, and the abutted splicing strips 111 are clamped in the strip-shaped grooves 121 of the corresponding fixing strips 12, and first bolts (not shown in the figure) are arranged in the first fixing holes 112 and the second fixing holes 122 to fix the splicing strips 111 and the fixing strips 12;

in two adjacent son section of thick bamboo 1, the lower extreme inner wall of upper portion son section of thick bamboo 1 is equipped with first ladder 13, and the upper end outer wall of lower part son section of thick bamboo 1 is equipped with second ladder 14, the lower pot head of upper portion son section of thick bamboo 1 is established at the upper end of lower part son section of thick bamboo 1, just first ladder 13 offsets with second ladder 14, is equipped with the third fixed orifices 15 that run through on the lower extreme lateral wall of upper portion son section of thick bamboo 1, is equipped with the fourth fixed orifices 16 that runs through on the upper end lateral wall of lower part son section of thick bamboo 1, be provided with second bolt (not shown in the figure) in third fixed orifices 15 and the fourth fixed orifices 16 with two adjacent son section of thick bamboo.

In the transportation process, each barrel piece 11 is independent, and can be loaded and transported according to road conditions and vehicle types and assembled after being transported to the site. During assembly, the sub-barrels 1 are assembled firstly, the splicing strips 111 of the barrel pieces 11 of each sub-barrel 1 are abutted, the first fixing holes 112 and the second fixing holes 122 are opposite, and then the abutted splicing strips 111 are clamped in the strip-shaped grooves 121 of the fixing strips and are fixed by the first bolts. After the sub-cylinders 1 are assembled, the corresponding two sub-cylinders 1 are spliced and fixed by adopting second bolts. The design makes the transportation and assembly very convenient.

In this embodiment, the tower barrel is provided with an arc backing ring 3 matched with the outer periphery of the tower barrel on the outer side of the third fixing hole 15, an annular gasket 4 matched with the inner periphery of the tower barrel on the inner side of the fourth fixing hole 16, and the second bolt sequentially penetrates through the arc backing ring 13, the fourth fixing hole 16, the third fixing hole 15 and the annular gasket 4 and is fixed by a nut. By arranging the arc-shaped backing ring 3 and the annular gasket 3, the connection strength between the sub-cylinders 1 can be increased.

In this embodiment, the number of the sheet pieces 11 of each sub-cartridge 1 is four. Of course, other numbers can be designed according to actual conditions.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the principles of the present invention may be applied to any other embodiment without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A wind driven generator tower is characterized in that: the cylinder comprises a plurality of sections of cylindrical sub-cylinders, wherein the diameters of the lower ends of the sub-cylinders positioned at the upper part and the upper ends of the sub-cylinders positioned at the lower part in two adjacent sub-cylinders are equal, each sub-cylinder comprises a plurality of cylinder sheets with the same shape and size and fixing strips, splicing strips are arranged on the two side edges of each cylinder sheet in a protruding mode outwards in the radial direction, and first fixing holes are formed in the splicing strips; the length of the fixing strip is the same as that of the splicing strip, the fixing strip is vertically provided with a strip-shaped groove, two side walls of the strip-shaped groove are provided with second fixing holes which penetrate through the groove, and the arrangement position of each second fixing hole corresponds to the first fixing hole; the corresponding splicing strips of two adjacent cylinder sheets are abutted, and the abutted splicing strips are clamped in the strip-shaped grooves of the corresponding fixing strips, and first bolts are arranged in the first fixing holes and the second fixing holes to fix the splicing strips and the fixing strips;

2. The tower of claim 1, wherein: the tower cylinder is provided with an arc backing ring matched with the periphery of the tower cylinder on the outer side of the third fixing hole, an annular gasket matched with the inner periphery of the tower cylinder is arranged on the inner side of the fourth fixing hole, and the second bolt penetrates through the arc backing ring, the fourth fixing hole, the third fixing hole and the annular gasket in sequence and then is fixed through a nut.

3. The tower of any of claims 1 to 2, wherein: four of the number of the cylinder sheets of each sub-cylinder.