CN218347028U - Framework suitable for large and medium-sized transformer substation - Google Patents
Framework suitable for large and medium-sized transformer substation Download PDFInfo
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- CN218347028U CN218347028U CN202222411776.5U CN202222411776U CN218347028U CN 218347028 U CN218347028 U CN 218347028U CN 202222411776 U CN202222411776 U CN 202222411776U CN 218347028 U CN218347028 U CN 218347028U
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Abstract
The utility model relates to a framework suitable for large and medium-sized transformer substation, including first row framework, second row framework and framework roof beam, first row framework is provided with two triangular pyramid posts, be provided with a plurality of herringbone posts between the triangular pyramid post, second row framework is provided with a single tubular column, single tubular column both ends set up a plurality of herringbone posts, framework roof beam connects triangular pyramid post, herringbone post and single tubular column; the triangular pyramid column comprises a straight column A and two inclined columns A, the included angle between the straight column A and the inclined columns A is 7 degrees, and the included angle between the two inclined columns A (12) is 45 degrees; the herringbone columns comprise a straight column B and an inclined column B, the included angle between the straight column B and the inclined column B is 6 degrees, and the land occupation area is reduced under the condition that a reliable structure stress system is guaranteed.
Description
Technical Field
The utility model belongs to the technical field of power transmission and distribution technique and specifically relates to a framework suitable for large and medium-sized transformer substation.
Background
With the construction of more and more high-altitude large and medium-sized substations, the service environment of the full-combined type framework is more and more harsh, a plurality of conventional full-combined type frameworks cannot meet the requirements, and the conventional full-combined type framework mainly comprises herringbone columns, herringbone columns with end supports and framework beams.
Patent number is CN201420870359.X, application date is 2014-12-31, discloses a combination formula framework post for 500kV transformer substation, including framework owner connecting piece and framework socle, framework owner connecting piece becomes the chevron structure by two relative support piece's the same one end fixed connection group, fixed connection cross brace spare between two support pieces, the framework socle is connected fixedly with two support pieces respectively, set up framework transitional coupling spare between two relative framework socles, at framework owner connecting piece top fixed connection fishplate bar, set up the installation through-hole on the butt plate. The framework socle can also comprise a plurality of sections, and two adjacent sections of framework socles are connected and fixed through a second connecting flange.
The above patent, paragraph 42, describes: "first end brace 2 in this integrated form framework, second end brace 7 can adopt the tripod support column, its cross sectional shape is triangle-shaped, in order to improve the steadiness of integrated form framework, it can be seen from combining above-mentioned patent drawing one, first end brace 2 and second end brace 7 adopt that three batter post combination forms, though improved stability, but the bottom occupies more places, especially occupy more agricultural arable land, the rigidity of herringbone post also can not full play to this kind of structural style, can't satisfy the demand in the narrow and small area in high altitude place, be unfavorable for saving land and sparingly use the steel quantity, the cost is increased, also accord with the resource saving, the environment friendly construction theory.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a framework suitable for big-and-middle-sized transformer substation is provided, guarantees under the condition of reliable structure atress system, reduces soil area occupied.
The utility model provides a technical scheme that its technical problem adopted is:
a framework suitable for large and medium-sized substations comprises a first row of frameworks, a second row of frameworks and a framework beam, wherein the first row of frameworks is provided with two triangular pyramid columns, a plurality of herringbone columns are arranged between the triangular pyramid columns, the second row of frameworks is provided with a single pipe column, a plurality of herringbone columns are arranged at two ends of the single pipe column, and the triangular pyramid columns, the herringbone columns and the single pipe column are connected through the framework beam;
the triangular pyramid column comprises a straight column A and two inclined columns A, the included angle between the straight column A and the inclined columns A is 7 degrees, and the included angle between the two inclined columns A (12) is 45 degrees;
the herringbone columns comprise a straight column B and an inclined column B, and the included angle between the straight column B and the inclined column B is 6 degrees.
The top of the straight column A is connected with the top of the inclined column A through a top plate, the bottom of the straight column A is connected with foundation bolts in a linked mode, and a rib plate is arranged below the top plate.
The single pipe column, the straight column A and the straight column B are all vertical to the ground.
And rigid connecting cross braces are directly arranged on the straight column A and the inclined column A.
The single pipe column, the straight column A and the straight column B are divided into a plurality of sections and connected together through flanges.
And the inclined column B is provided with a crawling ladder.
The triangular pyramid columns and the herringbone columns on the first row of frameworks correspond to the herringbone columns and the single tubular columns on the second row of frameworks.
The straight column A faces inwards, and the inclined column A faces outwards.
The utility model has the advantages that:
1. the triangular pyramid column, the single tubular column and the herringbone column are combined together through the framework beam to form a reliable structure stress system, the lateral rigidity of the herringbone column in the middle of full play is achieved, the problems of lateral force resistance and column top displacement of the single steel tubular column are solved, the steel consumption of the single steel tubular column is smaller than that of the herringbone column in a conventional full-combined framework, the triangular pyramid column and the herringbone column are connected through the straight column and the sloping rod, the bottom root is small, the narrow and small requirements of the site are met, the site occupied by the single tubular column is smaller, the engineering investment is saved, and the environment friendliness is embodied.
2. The flange connection is convenient for transportation.
3. Climbing when being convenient for maintain through the cat ladder.
Drawings
Fig. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic top view of the structure of FIG. 1;
FIG. 3 is a schematic structural diagram of a triangular pyramid column;
FIG. 4 is a schematic view of the structure at A in FIG. 3;
FIG. 5 is a schematic top view of the structure of FIG. 3;
FIG. 6 is a schematic view of the structure of B-B in FIG. 3;
FIG. 7 is a schematic structural view of a herringbone post;
FIG. 8 is a schematic view of a single string configuration;
FIG. 9 is a table of internal forces of conventional herringbone columns plus end braces;
FIG. 10 is a table of rigid-jointed triangular pyramid end supports of the present invention;
shown in the figure: 1-triangular pyramid column; 2-herringbone columns; 3-single pipe column; 4-a truss beam; 5-a top plate; 6-rib plate; 7-a ground screw; 8-rigidly connecting the wale; 11-upright a; 12-batter post a; 21-upright B; 22-oblique column B.
Detailed Description
The present invention will be further explained with reference to the drawings and examples.
Example 1
As shown in fig. 1 to 8, a framework suitable for a large and medium-sized substation comprises a first row of frameworks, a second row of frameworks and a framework beam 4, wherein the first row of frameworks is provided with two triangular pyramid columns 1, a plurality of herringbone columns 2 are arranged between the triangular pyramid columns 1, the second row of frameworks is provided with a single tubular column 3, a plurality of herringbone columns 2 are arranged at two ends of the single tubular column 3, and the framework beam 4 connects the triangular pyramid columns 1, the herringbone columns 2 and the single tubular column 3;
the triangular pyramid column 1 comprises a straight column A11 and two inclined columns A12, the included angle between the straight column A11 and the inclined columns A12 is 7 degrees, and the included angle between the two inclined columns A12 is 45 degrees;
the herringbone columns 2 comprise a straight column B21 and an inclined column B22, and the included angle between the straight column B21 and the inclined column B22 is 6 degrees.
The top of the straight column A11 is connected with the top of the inclined column A12 through a top plate 5, the bottom of the straight column A is connected with a foundation bolt 7 in a linked mode, and a rib plate 6 is arranged below the top plate 5.
The single-column 3, the straight column A11 and the straight column B21 are all vertical to the ground.
The vertical column A11 and the inclined column A12 are directly provided with a rigid connection cross brace 8.
The single-column 3, the straight column A11 and the straight column B21 are divided into a plurality of sections and connected together through flanges.
A ladder stand is arranged on the inclined column B22.
The triangular pyramid columns 1 and the herringbone columns 2 on the first row of frameworks correspond to the herringbone columns 2 and the single tubular columns 3 on the second row of frameworks.
The upright posts A11 face inwards, and the inclined posts A12 face outwards.
The herringbone columns 2 comprise a straight column B21 and an inclined column B22, and the included angle between the straight column B21 and the inclined column B22 is 7 degrees.
The triangular pyramid column 1 and the single tubular column 2 are combined together, a herringbone column 3 forms a reliable structure stress system, the lateral rigidity of the middle herringbone column is fully exerted, the problems of lateral force resistance and column top displacement of the single steel tubular column are solved, the steel consumption of the single steel tubular column is smaller than that of the conventional full-combined type framework, the triangular pyramid column 1 and the herringbone column 2 are connected by adopting a straight column and an inclined rod, the bottom root is opened for a small time, the narrow and small requirements of the site are met, the site occupied by the single tubular column is smaller, the engineering investment is saved, and the environmental friendliness is embodied.
And the flange connection is convenient for transportation.
Climbing when being convenient for maintain through the cat ladder.
The foundation bolt 7 is connected with a foundation, the steel corbels are arranged on the columns and connected with the lower-layer framework beam, the column top plate is connected with the upper-layer framework beam, and the column sections are connected through flanges.
The data are calculated by performing model internal force on the framework to obtain: the triangular pyramid column structure adopting the patent framework is reduced by (1419-1264)/1419 =10.9% compared with the shaft force of a herringbone column and an end supporting column.
As shown in fig. 9 to 10, when comparing the rigid-jointed triangular pyramid end brace with the conventional herringbone brace and the end brace, the lateral force resisting rigidity is large when the internal force is small.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and for those skilled in the art, the present invention can be modified and changed in various ways, and any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. The utility model provides a framework suitable for big-and-middle-sized transformer substation, includes that framework, second are arranged framework and framework roof beam (4), its characterized in that: the structure comprises a first row of frameworks and a second row of frameworks, wherein the first row of frameworks are provided with two triangular pyramid columns (1), a plurality of herringbone columns (2) are arranged between the triangular pyramid columns (1), the second row of frameworks are provided with a single tubular column (3), a plurality of herringbone columns (2) are arranged at two ends of the single tubular column (3), and the triangular pyramid columns (1), the herringbone columns (2) and the single tubular column (3) are connected through a framework beam (4);
the triangular pyramid column (1) comprises a straight column A (11) and two inclined columns A (12), the included angle between the straight column A (11) and the inclined columns A (12) is 7 degrees, and the included angle between the two inclined columns A (12) is 45 degrees;
the herringbone columns (2) comprise a straight column B (21) and an inclined column B (22), and the included angle between the straight column B (21) and the inclined column B (22) is 6 degrees.
2. A framework for medium and large substations as claimed in claim 1, characterized in that: the top of the straight column A (11) is connected with the top of the inclined column A (12) through a top plate (5), the bottom of the straight column A is connected with foundation bolts (7) in a linked mode, and a rib plate (6) is arranged below the top plate (5).
3. A framework for medium and large substations as claimed in claim 1 wherein: the single column (3), the straight column A (11) and the straight column B (21) are all vertical to the ground.
4. A framework for medium and large substations as claimed in claim 1, characterized in that: the vertical column A (11) and the inclined column A (12) are directly provided with a rigid connection cross brace (8).
5. A framework for medium and large substations as claimed in claim 1, characterized in that: the single-column (3), the straight column A (11) and the straight column B (21) are divided into a plurality of sections and connected together through flanges.
6. A framework for medium and large substations as claimed in claim 1, characterized in that: a ladder stand is arranged on the inclined column B (22).
7. A framework for medium and large substations as claimed in claim 1, characterized in that: the triangular pyramid columns (1) and the herringbone columns (2) on the first row of frameworks correspond to the herringbone columns (2) and the single columns (3) on the second row of frameworks.
8. A framework for medium and large substations as claimed in claim 1, characterized in that: the straight column A (11) faces inwards, and the inclined column A (12) faces outwards.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222411776.5U CN218347028U (en) | 2022-09-13 | 2022-09-13 | Framework suitable for large and medium-sized transformer substation |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202222411776.5U CN218347028U (en) | 2022-09-13 | 2022-09-13 | Framework suitable for large and medium-sized transformer substation |
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| CN218347028U true CN218347028U (en) | 2023-01-20 |
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| CN202222411776.5U Active CN218347028U (en) | 2022-09-13 | 2022-09-13 | Framework suitable for large and medium-sized transformer substation |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117449684A (en) * | 2023-12-22 | 2024-01-26 | 佛山电力设计院有限公司 | Distribution device field joint framework |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117449684A (en) * | 2023-12-22 | 2024-01-26 | 佛山电力设计院有限公司 | Distribution device field joint framework |
| CN117449684B (en) * | 2023-12-22 | 2024-04-09 | 佛山电力设计院有限公司 | Distribution device field joint framework |
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