CN115853326A - Herringbone column cap connecting node and power transformation framework - Google Patents

Abstract

The invention belongs to the field of substation structure design and provides a herringbone column head connection node and a substation structure. Wherein, the connection node of the herringbone column head includes a shear plate, a top connecting steel plate and a hemispherical joint plate; the shear plate is welded to the tops of two steel pipe columns to form the upper structure of the herringbone column; the upper structure of the herringbone column The top connecting steel plate is connected with the hemispherical gusset plate. It can reduce the number of connecting steel plates and stiffeners and other parts of the traditional herringbone column head connection joints, thereby reducing the workload of on-site welding and shortening the construction period; it also simplifies the structural form of the joints and improves the structural integrity of the joints. In addition, this connection method can Simplify the connection nodes between frame columns and steel pipe beams, optimize the force characteristics of connection nodes, enhance the force coordination between beams and columns, and improve the safety and reliability of substation frame structures.

Description

A herringbone column head connecting node and substation structure

technical field

The invention belongs to the field of substation frame design, in particular to a herringbone column head connection node and a substation frame.

Background technique

The statements in this section merely provide background information related to the present invention and do not necessarily constitute prior art.

The frame column is an important part of the substation structure in the AC substation or DC converter station. It bears a large load, has high importance, high economic indicators, and complex process requirements. It occupies an important part in the current substation structure design. Frame columns mainly include lattice columns, steel pipe herringbone columns and pull wires. Among them, the steel pipe herringbone column has a simple structure, good mechanical performance, light weight, and is convenient for transportation and installation. It is the most commonly used structure in power substation structures. form.

The inventor found that at present, in the processing of the column head joints of the steel pipe herringbone column substation frame, the form of connecting steel plates, stiffeners and column heads is often used. Due to the large number of parts and the complicated structure, it brings certain difficulties to the processing process. , and the force coordination and integrity are poor, making it difficult to guarantee project quality and construction safety.

Contents of the invention

In order to solve the technical problems in the above-mentioned background technology, the present invention provides a herringbone column head connection node and a substation frame, which can reduce the number of connecting steel plates and stiffeners of traditional herringbone column head connection nodes, thereby reducing on-site welding work and shorten the construction period; and simplify the structural form of the joints to improve the structural integrity of the joints. In addition, this connection can simplify the joints between the frame columns and the steel pipe beams, optimize the mechanical characteristics of the joints, and enhance the force between beams and columns Synergy improves the safety and reliability of the substation structure.

In order to achieve the above object, the present invention adopts the following technical solutions:

A first aspect of the invention provides a chevron column head connection node.

A herringbone column head connection node, which includes: a shear plate, a top connection steel plate and a hemispherical gusset plate;

The shear plate is welded to the tops of two steel pipe columns to form the upper structure of the herringbone column;

The upper structure of the chevron column is connected to the hemispherical gusset plate through the top connecting steel plate.

As an embodiment, the upper structure of the herringbone column and the top connecting steel plate are welded together through a penetration butt weld.

As an embodiment, a stiffening rib is provided on the side where the top connecting steel plate is connected to the superstructure of the chevron column.

As an implementation manner, the stiffener is welded to the top connecting steel plate and the upper structure of the gabled column.

As an implementation manner, the hemispherical gusset plate is welded to the top connecting steel plate through a penetration butt weld.

As an implementation manner, the hemispherical gusset plate is welded to the steel pipe girder through a penetration butt weld.

As an implementation manner, the steel pipe beam is provided with a first flange.

As an implementation manner, the hemispherical gusset plate is welded to the ground post through a penetration butt weld.

As an implementation manner, the ground wire post is provided with a second flange.

A second aspect of the present invention provides a power conversion framework.

A substation frame includes the above-mentioned herringbone column head connection node.

Compared with prior art, the beneficial effect of the present invention is:

The connecting node of the herringbone column head of the present invention uses a shear plate to weld the tops of two steel pipe columns to form the upper structure of the herringbone column, and then connects the upper structure of the herringbone column to the hemispherical joint plate through the top connecting steel plate, reducing The number of connecting steel plates and stiffeners and other components of the traditional herringbone column head joints is reduced, the workload of on-site welding is reduced, the structural form of the joints is simplified, the structural integrity of the joints is improved, and the design and processing process are simplified. In addition, the The connection method simplifies the connection nodes between frame columns and steel pipe beams, optimizes the force characteristics of the connection nodes, enhances the force coordination between beams and columns, improves the utilization rate of materials in each part, and thus improves the safety of the substation frame structure sex and reliability.

Advantages of additional aspects of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.

Description of drawings

The accompanying drawings constituting a part of the present invention are used to provide a further understanding of the present invention, and the schematic embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute improper limitations to the present invention.

Fig. 1 is a schematic diagram of a herringbone column head connecting node structure according to an embodiment of the present invention;

Fig. 2 is the A-A sectional view of Fig. 1;

Fig. 3 is a B-B sectional view of Fig. 1 .

Detailed ways

The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

It should be noted that the following detailed description is exemplary and intended to provide further explanation of the present invention. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs.

It should be noted that the terminology used here is only for describing specific embodiments, and is not intended to limit exemplary embodiments according to the present invention. As used herein, unless the context clearly dictates otherwise, the singular is intended to include the plural, and it should also be understood that when the terms "comprising" and/or "comprising" are used in this specification, they mean There are features, steps, operations, means, components and/or combinations thereof.

Embodiment one

As shown in Figure 1, this embodiment provides a herringbone column head connection node, which includes: a shear plate 7, a top connection steel plate 1 and a hemispherical gusset plate 2;

The shear plate 7 is welded to the tops of two steel pipe columns to form the upper structure of the herringbone column;

The upper structure of the herringbone column is connected with the hemispherical gusset plate 2 through the top connecting steel plate 1 .

The top connecting steel plate 1 and the top of the herringbone column are welded by butt welds, and the first stiffener 3, the second stiffener 4, the third stiffener 5 and the fourth stiffener 6 are respectively provided on one side, and the first stiffener 3. The second stiffener 4, the third stiffener 5, and the fourth stiffener 6 are welded to the top connecting steel plate 1 and the superstructure of the herringbone column through penetration butt welds.

The top connection steel plate 1 and the hemispherical gusset plate 2 are welded by penetration butt welds to form a hemispherical column head connection node with simple structure and good integrity. The first galvanized air outlet 8 and the second galvanized air outlet 9 are plated After zinc, it is sealed by electric welding and sprayed with zinc for anticorrosion.

In this embodiment, the steel pipe 11 connecting the hemispherical joint plate and the ground column and the steel pipe 12 connecting the steel pipe beam are welded through the penetration butt weld, which enhances the integrity and force coordination of each beam-column joint, and improves the strength of each part of the material. contribution.

Wherein, as shown in FIG. 2 and FIG. 3 , the steel pipe beam connection steel pipe 11 is provided with a first flange 10 - 1 . The steel pipe 12 connected to the ground column is provided with a second flange 10-2. This facilitates the subsequent installation of the overlapping steel pipe beam 13 and the ground column 14, shortening the construction process and construction period.

The herringbone column head connection node in this embodiment adopts the hemispherical node form, which simplifies the structural form, saves the connecting steel plates and stiffeners used in traditional connection nodes, saves the number of parts and welding workload, and can ensure the processing quality , easy to design and install.

Embodiment two

This embodiment provides a power transformation framework, which includes the above-mentioned herringbone column head connection node.

It should be noted here that, except for the connection node of the herringbone column head, other structures of the substation structure in this embodiment can be realized by using existing structures, which will not be described in detail here.

The above descriptions are only preferred embodiments of the present invention, and are not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and changes. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included within the protection scope of the present invention.

Claims (10)

1. A herringbone column head connecting node is characterized in that, comprising: shear plate, top connecting steel plate and hemispherical gusset plate; The shear plate is welded to the tops of two steel pipe columns to form the upper structure of the herringbone column; The upper structure of the chevron column is connected to the hemispherical gusset plate through the top connecting steel plate. 2. The gabled column head connection node according to claim 1, characterized in that, the upper structure of the gabled column and the top connecting steel plate are welded together through penetration butt welds. 3. The connection node of the herringbone column head according to claim 1, characterized in that a stiffening rib is provided on the side where the top connecting steel plate is connected to the upper structure of the herringbone column. 4. The connection node of a gabled column head according to claim 3, characterized in that, the stiffener is welded to the top connecting steel plate and the upper structure of the gabled column. 5. The herringbone column head connection node according to claim 1, characterized in that, the hemispherical connection plate is welded to the top connecting steel plate through a penetration butt weld. 6. The herringbone column head connection node according to claim 1, characterized in that, the hemispherical gusset plate is welded to the steel pipe girder through a penetration butt weld. 7. The herringbone column head connection node according to claim 6, characterized in that a first flange is provided on the steel pipe beam. 8. The herringbone column head connection node according to claim 1, characterized in that, the hemispherical node plate is welded to the ground column through a penetration butt weld. 9. The herringbone column head connection node according to claim 8, characterized in that, the ground column is provided with a second flange. 10. A transformer structure, characterized by comprising: the herringbone column head connection node according to any one of claims 1-9.

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