CN211258003U

CN211258003U - 110KV outdoor vertical outgoing line steel structure framework

Info

Publication number: CN211258003U
Application number: CN201921967543.5U
Authority: CN
Inventors: 吴晓鸣; 李涛; 靳幸福; 胡晨; 薛欢; 季跃; 刘志; 朱勇; 种亚林; 方福歆; 朱胜; 敖斌; 朱德斌; 邱新刚; 吕冬春; 谈成龙; 陈安英
Original assignee: State Grid Anhui Zhongxing Electric Power Design Institute Co ltd; Anhui Huadian Engineering Consulting and Design Co Ltd; Economic and Technological Research Institute of State Grid Anhui Electric Power Co Ltd
Current assignee: State Grid Anhui Zhongxing Electric Power Design Institute Co ltd; Anhui Huadian Engineering Consulting and Design Co Ltd; Economic and Technological Research Institute of State Grid Anhui Electric Power Co Ltd
Priority date: 2019-11-14
Filing date: 2019-11-14
Publication date: 2020-08-14
Anticipated expiration: 2029-11-14

Abstract

The utility model discloses a 110KV outdoor vertical outgoing line steel structure framework, which comprises a framework mechanism consisting of a lateral framework column and a central framework column, wherein a framework beam and a connecting mechanism are arranged between the lateral framework column and the central framework column; the connecting mechanism comprises a first steel plate and a second steel plate, the first steel plate penetrates through the cylinder of the framework mechanism along the radial direction to be fixed, the second steel plate is arranged at the end part of the framework beam and is matched and fixedly connected with the first steel plate, the first steel plate and the second steel plate are both cross steel plates, the first steel plate is inserted into the second steel plate and is fixed through bolts, and two ends of the framework beam are respectively fixedly connected with the lateral framework column and the central framework column through the connecting mechanism; the framework beam and the framework mechanism are connected through the bolts, and the difficulty of site construction is reduced.

Description

110KV outdoor vertical outgoing line steel structure framework

Technical Field

The utility model relates to a framework technical field that is qualified for next round of competitions especially relates to a 110KV is outdoor perpendicularly to be qualified for the next round of competitions steel construction framework.

Background

In recent years, power facilities of transformer substations are built under the condition of large occupied area and abundant occupation, taking a 110kV voltage class transformation framework as an example, a conventional transformation framework 1 spans 15m and 2-return-one-span outlet mode, the length of the transformation framework with 14-return outlet scale in the span direction needs to be nearly 120m in terms of span, and the occupation area can be further reduced in terms of structure and electrical arrangement.

From the structural selection of a power transformation framework, a steel pipe herringbone column or a rectangular lattice type framework column is adopted in a conventional framework column, a triangular lattice type steel beam is adopted in a framework beam (3), most of the existing connection modes between the framework beam (3) and the framework column are welded, the overall quality of the structure is greatly influenced by the welding level of field workers, the process is complex during construction, the risk is high, and the construction period is long.

SUMMERY OF THE UTILITY MODEL

Based on the technical problem that the background art exists, the utility model provides an outdoor perpendicular steel construction framework of being qualified for the next round of competitions of 110KV all adopts bolted connection between framework roof beam and the framework mechanism, has reduced the site operation degree of difficulty.

The utility model provides a 110KV outdoor vertical outgoing steel structure framework, which comprises a framework mechanism consisting of a lateral framework column and a central framework column, wherein a framework beam and a connecting mechanism are arranged between the lateral framework column and the central framework column; two ends of the framework beam are respectively and fixedly connected with the lateral framework column and the central framework column through connecting mechanisms.

Further, the connecting mechanism comprises a first steel plate and a second steel plate, the first steel plate penetrates through the column body of the framework mechanism along the radial direction to be fixed, the second steel plate is arranged at the end part of the framework beam, and the first steel plate and the second steel plate are matched and fixedly connected.

Furthermore, the first steel plate and the second steel plate are both cross steel plates, and the first steel plate is inserted into the second steel plate and fixed through bolts.

Furthermore, the lateral framework columns comprise inner framework columns and outer framework columns, the framework beams comprise upper framework beams and lower framework beams, the columns of the outer framework columns are connected with the columns of the central framework columns through the lower framework beams, and the columns of the inner framework columns are connected with the top ends of the central framework columns through the upper framework beams.

Furthermore, an inter-column support is connected between two adjacent inner side frame columns and outer side frame columns, and the axial direction of the upper layer frame beam and the axial direction of the lower layer frame beam are arranged at a certain angle.

Furthermore, the truss beam also comprises a middle-layer truss beam and an inter-column truss beam, the top of the outer-side truss column is connected with the column body of the inner-side truss column through the inter-column truss beam, one end of the middle-layer truss beam is connected with the column body of the inter-column truss beam, and the other end of the middle-layer truss beam is connected with the column body of the central truss column.

Furthermore, the framework beam is a hollow circular steel tube.

The utility model provides a pair of 110KV is outdoor perpendicularly be qualified for next round of competitions steel construction framework's advantage lies in: the utility model provides a 110KV outdoor vertical outgoing line steel structure framework, which improves a plurality of lateral framework columns in the framework mechanism by a central framework column, and makes it possible to directly adopt a single steel pipe as a tension compression member; the frame beam and the frame mechanism are connected through the bolt, so that the on-site construction difficulty is reduced, the on-site construction period is shortened, and the social benefit and the economic benefit are remarkable; the rigidity of the framework mechanism in the direction perpendicular to the outgoing line is provided by a triangular system formed in space, the rigidity of the outgoing line is provided by support among columns in the framework mechanism, and the structural arrangement is safe and reasonable; the inclination directions of the upper-layer framework beam and the lower-layer framework beam are opposite, and the electrical distance between the outgoing line point and the down line is pulled by utilizing the inclination of the upper-layer framework beam and the lower-layer framework beam in space.

Drawings

Fig. 1 is a schematic structural view of a steel structural frame for 110KV outdoor vertical outgoing line of the present invention;

FIG. 2 is a top view of the frame mechanism of FIG. 1;

FIG. 3 is a schematic structural view of the connection of the frame beams to the frame structure;

the steel plate comprises 1-lateral framework columns, 2-central framework columns, 3-framework beams, 4-connecting mechanisms, 5-inter-column supports, 10-framework mechanisms, 11-inner framework columns, 12-outer framework columns, 31-upper-layer framework beams, 32-lower-layer framework beams, 33-middle-layer framework beams, 34-inter-column framework beams, 41-first steel plates and 42-second steel plates.

Detailed Description

The technical solutions of the present invention are explained in detail below with reference to specific embodiments, and many specific details are set forth in the following description to provide a thorough understanding of the present invention. The present invention can be embodied in many other forms than those specifically described herein, and it will be apparent to those skilled in the art that similar modifications can be made without departing from the spirit and scope of the invention.

Referring to fig. 1 to 3, the utility model provides a 110KV outdoor vertical outgoing steel structure frame, which comprises a frame mechanism 10 composed of a lateral frame column 1 and a central frame column 2, wherein a plurality of frame beams 3 and connecting mechanisms 4 are connected between the lateral frame column 1 and the central frame column 2; the framework beam 3 is respectively fixedly connected with the lateral framework column 1 and the central framework column 2 through a connecting mechanism 4.

Because the single steel pipe has the conditions of small volume, small load, large structural period, good anti-seismic performance and the like, the central framework column 2 is adopted to connect the plurality of lateral framework columns 1 in the framework mechanism 10, so that the single steel pipe can be used as a tension compression member. The truss girder 3 is connected with the truss mechanism 10 through the connecting mechanism 4, and parts needing to be welded are prefabricated in advance in a factory; meanwhile, single steel pipes are adopted as the framework beam 3 and the framework mechanism 10, so that the structural strength and the seismic performance are improved.

The frame beam 3 is a hollow circular steel tube, the frame beam 3 is respectively consistent with the connecting structure of the lateral frame column 1 and the central frame column 2, and the frame mechanism 10 is used to represent the lateral frame column 1 and the central frame column 2 to describe the fixed relation of the frame beam 3.

As shown in fig. 3, the connecting mechanism 4 includes a first steel plate 41 and a second steel plate 42, the first steel plate 41 is fixed to penetrate through the column of the frame mechanism 10 in the radial direction, the second steel plate 42 is disposed at the end of the frame beam 3, and the first steel plate 41 and the second steel plate 42 are fixedly connected in a matching manner. The first steel plate 41 and the second steel plate 42 are both cross steel plates, and the first steel plate 41 is inserted into the second steel plate 42 and fixed by bolts.

The first steel plate 41 of the cross-shaped steel plate penetrates through the column body of the framework mechanism 10, in appearance, the cross-shaped steel plate extends outwards from the column body of the framework mechanism 10 along the radial direction, and a plurality of bolt holes are formed in the extending steel plate; meanwhile, the second steel plate 42 is annularly arranged at the end part of the framework beam 3 to form a cross space, the first steel plate 41 is inserted into the space, so that a plurality of bolt holes formed in the first steel plate 41 and the second steel plate 42 are communicated, bolts penetrate through the bolt holes, the first steel plate 41 and the second steel plate 42 are stably fixed, and finally the framework beam 3 is stably and fixedly connected with the framework mechanism 10. The second steel plate 42 is an angle steel, and a cross space is easily formed.

Further, the lateral frame column 1 comprises an inner frame column 11 and an outer frame column 12, the frame beam 3 comprises an upper frame beam 31 and a lower frame beam 32, the column of the outer frame column 12 is connected with the column of the central frame column 2 through the lower frame beam 32, and the column of the inner frame column 11 is connected with the top end of the central frame column 2 through the upper frame beam 31. The inter-column support 5 is connected between two adjacent inner frame columns 11 and outer frame columns 12, the upper frame beam 31 and the lower frame beam 32 are arranged at a certain angle, the angle is required to enable the distance between the midpoint of the upper frame beam 31 and the midpoint of the lower frame beam 32 and the middle frame beam 33 in the plan view to meet the electrical safety clear distance, 110kV is considered to be 2m or more, the inclination directions of the upper frame beam 31 and the lower frame beam 32 are preferably opposite, and the electrical distance between the outgoing line points and the outgoing line points is pulled by utilizing the inclination of the upper frame beam and the lower frame beam in space. The truss girder 3 further comprises a middle-layer truss girder 33 and an inter-column truss girder 34, the top of the outer-side truss column 12 is connected with the column of the inner-side truss column 11 through the inter-column truss girder 34, one end of the middle-layer truss girder 33 is connected with the column of the inter-column truss girder 34, and the other end is connected with the column of the central truss column 2. The wire hanging points are located at the centers of the upper, middle and lower layer framework beams 32.

As an embodiment, as shown in fig. 1 and 2, in the present application, a frame mechanism 10 is formed by using a central frame column 2, two inner frame columns 11 and two outer frame columns 12, the two inner frame columns 11 and the two outer frame columns 12 enclose a square, the central frame column 2 is located at the center of the square, and the central frame column 2 is arranged under the condition of ensuring the safe distance between a lead and the frame mechanism 10, so as to ensure the stress rationality of the structure; the top view of one framework mechanism 10 is in a shape of 2 diagonal triangles, the rigidity of the framework mechanism 10 in the direction perpendicular to the outgoing line is provided by a triangular system formed in space, the rigidity in the outgoing line direction is provided by the inter-column supports 5 in the framework mechanism 10, and the structural arrangement is safe and reasonable.

The existing connection mode between the framework beam and the framework mechanism is mostly welded, the overall quality of the structure is greatly influenced by the welding level of field workers, the process is complex during construction, the danger is high, the construction period is long, the framework beam and the framework mechanism are connected through bolts, and the difficulty of field construction is reduced.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A steel structure framework for 110KV outdoor vertical outgoing lines is characterized by comprising a framework mechanism (10) consisting of a lateral framework column (1) and a central framework column (2), wherein a framework beam (3) and a connecting mechanism (4) are arranged between the lateral framework column (1) and the central framework column (2);

two ends of the framework beam (3) are respectively and fixedly connected with the lateral framework column (1) and the central framework column (2) through the connecting mechanism (4).

2. The 110KV outdoor vertical outgoing line steel structure framework of claim 1, wherein the connecting mechanism (4) comprises a first steel plate (41) and a second steel plate (42), the first steel plate (41) penetrates through a column of the framework mechanism (10) in the radial direction to be fixed, the second steel plate (42) is arranged at the end part of the framework beam (3), and the first steel plate (41) and the second steel plate (42) are fixedly connected in a matched mode.

3. The 110KV outdoor vertical outgoing line steel structure framework as claimed in claim 2, wherein the first steel plate (41) and the second steel plate (42) are both cross steel plates, and the first steel plate (41) is inserted into the second steel plate (42) and fixed through bolts.

4. The 110KV outdoor vertical outgoing line steel structure framework as claimed in claim 1, wherein the lateral framework column (1) comprises an inner framework column (11) and an outer framework column (12), the framework beam (3) comprises an upper framework beam (31) and a lower framework beam (32), a column body of the outer framework column (12) is connected with a column body of the central framework column (2) through the lower framework beam (32), and a column body of the inner framework column (11) is connected with the top end of the central framework column (2) through the upper framework beam (31).

5. The 110KV outdoor vertical outgoing line steel structure framework as claimed in claim 4, wherein an inter-column support (5) is connected between two adjacent inner framework columns (11) and outer framework columns (12), and an axial direction of an upper framework beam (31) and an axial direction of a lower framework beam (32) are arranged at a certain angle.

6. The 110KV outdoor vertical outgoing line steel structure framework as claimed in claim 5, wherein the framework beam (3) further comprises a middle framework beam (33) and an inter-column framework beam (34), the top of the outer framework column (12) is connected with the column body of the inner framework column (11) through the inter-column framework beam (34), one end of the middle framework beam (33) is connected with the column body of the inter-column framework beam (34), and the other end of the middle framework beam is connected with the column body of the central framework column (2).

7. The 110KV outdoor vertical outgoing line steel structure framework as claimed in claim 1, wherein the framework beam (3) is a hollow round steel tube.