KR20110049444A

KR20110049444A - Cft steel pole

Info

Publication number: KR20110049444A
Application number: KR1020090106459A
Authority: KR
Inventors: 이기홍
Original assignee: 비비엠코리아(주)
Priority date: 2009-11-05
Filing date: 2009-11-05
Publication date: 2011-05-12

Abstract

PURPOSE: A CFT steel pole is provided to reduce manufacturing costs by optimizing a design and to improve the exterior of the steel pole. CONSTITUTION: A CFT steel pole comprises a body(2), multiple arms, and an auxiliary steel pipe. The body is composed of two or more stages. The arms are separated from the uppermost part of the body The body is divided into multiple parts. The lowermost part of the body is filled with concrete. The auxiliary steel pipe is embedded in the lowermost part of the body. A gap between the inner surface of the lowermost part of the body and the outer surface of the auxiliary steel pipe is filled with concrete.

Description

CFT tubular support {CFT steel pole}

The present invention relates to a concrete filled tabular (CFT) tubular support capable of realizing optimal compressive strength and realizing strong support by filling concrete.

Extraordinary or super-high pressure is transmitted through transmission towers such as steel pipe towers or mountain towers. However, such steel pipe pylon or mountain pylon has a long construction time and a wide base area.

The tubular supports proposed to solve these shortcomings have a circular or hexagonal polygonal cross-section or flanged connection or slip connection, and because of their simple structure and beautiful appearance, they have a narrow installation place such as urban area and special development area. It is advantageous to install it in place, and there is an advantage to shorten the construction time when constructing the steel tower.

Such a tubular support may be manufactured in a hollow structure or a casting, but because it has the same cross-sectional thickness, it may not be able to implement an optimal design and it may be difficult to actively cope with this when a strong supporting force is required.

An object of the present invention created to solve the above problems is to provide a CFT tubular support that implements strong compressive strength and bearing capacity by filling concrete.

In addition, another object of the present invention is to provide a CFT tubular support that can implement different cross-sectional thickness according to the height of the tubular support in response to the optimum design.

An object of the present invention, the body consisting of at least two stages; It includes a plurality of arms spaced apart on the top of the body, the bottom of the body is divided into a plurality of parts can be achieved by a CFT tubular support characterized in that the concrete is filled at least in the bottom.

In addition, another object of the present invention, the body consisting of at least two stages; A plurality of arms mounted spaced apart from the top of the body; It includes a secondary steel pipe embedded in the lowermost part of the body, it can be achieved by the CFT tubular support, characterized in that the concrete is partially filled between the lower inner peripheral surface of the body and the outer peripheral surface of the auxiliary steel pipe.

The present invention having the above configuration has the following effects.

First, the present invention is beautiful in appearance and can be harmonized with the surrounding landscape.

Second, the present invention can provide various embodiments to meet the optimum design.

Third, the present invention can implement the optimum design to actively respond to the load design to minimize the material waste, such as the basic requirements, to reduce the manufacturing cost, there is a feature that can implement a strong support.

Hereinafter, the configuration of the present invention with reference to the drawings in detail.

First, the embodiment of the present invention is only one example, and the following embodiments are selected in advance to realize a complex configuration, the body can be applied to at least two-stage configuration as well as three-stage configuration.

In addition, the CFT tubular support according to the present invention is applied to a 154 kV ultra high voltage line.

1 is a perspective view schematically showing a CFT tubular support having a composite cross section thickness according to the present invention, and FIG. 2 is a perspective view showing a partial cutaway view of the first body of FIG. 1 according to the first embodiment of the present invention.

1 and 2, the tubular support 10 of the present invention consists of a body 1 and an arm 7.

The body 1 has a three-stage configuration of a first body 2; 3; 4, a second body 5 and a third body 6. Here, the body 1 of the present invention is shown and described, but not limited to the three-stage configuration is not limited thereto. In addition, the body 1 of the present invention is limited to a tubular shape having a circular cross section, but the present invention is not limited thereto, and the body 1 may be deformed into a tubular shape having a polygonal shape such as a hexagon shape.

The first body (2; 3; 4) is a portion where the lower end is installed on the concrete foundation (Con), and the first, second and third bodies (2; 3; 4) (5) (6) are sequentially assembled in the upward direction. It is.

A plurality of arms 7 are provided on the outer circumferential surface of the third body 6. Here, the arm 7 is provided to be spaced apart from each other by a predetermined distance to the portion where the extra high voltage line or the extra high voltage line is mounted.

Referring to Fig. 2, the first body 2 according to the present invention is a metal tubular shape of the lower light cooperating side.

The first body 2 is composed of a first spool 2a, a second spool 2b, and a third spool 2c, and is sequentially mounted in an upward direction. Here, each spool (2a) (2b) (2c) is configured so that the cross-sectional thickness is different, respectively, the thinner the cross-sectional thickness as it goes up.

In addition, the first body 2 according to the present invention is filled with concrete (Con) or filled with concrete (Con) at the bottom. That is, the concrete (Con) should be poured at least at the bottom of the first body (2).

FIG. 3 is a perspective view showing a portion of the first body of FIG. 1 according to the second embodiment of the present invention. FIG.

Referring to Fig. 3, the first body 3 according to the present invention is a tubular shape of lower light reciprocation.

The first body 3 is composed of a first spool 3a, a second spool 3b and a third spool 3c and is sequentially mounted in an upward direction. Here, each of the spools 3a, 3b, and 3c is configured to have different cross-sectional thicknesses, and the cross-sectional thickness is thinner as it goes up.

In addition, the first body 3 of the present invention has a built-in auxiliary steel pipe (3d), the outer peripheral surface of the auxiliary steel pipe (3d) is attached to the inner peripheral surface of the first body (3) by a plurality of connecting members (not shown) It is.

In the first body 3 according to the present invention, the concrete Con is filled between the inner circumferential surface of each of the spools 3a, 3b, and 3c and the outer circumferential surface of the auxiliary steel pipe 3d. For example, concrete (Con) is not filled inside the auxiliary steel pipe 3d.

FIG. 4 is a perspective view showing a partial cutaway of the first body of FIG. 1 according to a third exemplary embodiment of the present invention. FIG.

Referring to Figure 4, the first body 4 according to the present invention is a tubular shape of the lower light reciprocity.

The first body 4 is composed of a first spool 4a, a second spool 4b and a third spool 4c and is sequentially mounted in an upward direction. Here, each spool 4a, 4b, 4c is comprised so that cross-sectional thickness may differ, and thinner cross-sectional thickness is formed as it goes up.

In addition, the first body 4 of the present invention has a built-in auxiliary steel pipe (4d), the outer peripheral surface of the auxiliary steel pipe (4d) is attached to the inner peripheral surface of the first body 4 by a plurality of connecting members (not shown) It is.

In the first body 4 according to the present invention, concrete Con is partially filled with concrete Con between the inner circumferential surface of the spools 4a and the outer circumferential surface of the auxiliary steel pipe 3d.

The present invention described above is limited to the above-described embodiment (s), but not limited to this embodiment of the present invention is a modification that can be easily implemented by those skilled in the art to which the present invention belongs. It is obvious that it belongs to the technical idea.

1 is a perspective view schematically showing a CFT tubular support having a composite cross section thickness according to the present invention.

FIG. 2 is a perspective view showing a partial cutaway of the first body of FIG. 1 according to the first embodiment of the present invention. FIG.

<< Explanation of symbols for main part of drawing >>

1, 2, 3, 4: body

7: ARM

10: tubular support

Claims

A body consisting of at least two stages;

It includes a plurality of arms mounted spaced apart on the top of the body,

The lowermost body is divided into a plurality of parts, CFT tubular support characterized in that the concrete is filled at least in the lowermost.

A body consisting of at least two stages;

A plurality of arms mounted spaced apart from the top of the body;

Including a secondary steel pipe embedded in the lowermost portion of the body,

CFT tubular support characterized in that the concrete is partially filled between the lower inner peripheral surface of the body and the outer peripheral surface of the auxiliary steel pipe.

The method of claim 2,

CFT tubular support characterized in that the concrete is buffered between the lower inner peripheral surface of the body and the outer peripheral surface of the auxiliary steel pipe.