CN206429003U - Transforming plant main transformer framework - Google Patents

Abstract

The utility model provides a main transformer frame of a substation, comprising a steel pipe herringbone column, a truss-type steel beam, and a self-supporting tower; the truss-type steel beam is arranged on the top of the steel pipe herringbone column, and the truss-type steel beam It is arranged at the upper end of the self-supporting tower; the steel pipe herringbone column and the lower side of the self-supporting tower are provided with a base for fixing the steel pipe herringbone column and the self-supporting tower; the truss type The steel beam is in the shape of a triangular prism, including three main bars, and a number of reinforcing bars that form a triangular fixed connection with the two main bars are arranged between adjacent main bars; the steel pipe herringbone column includes two Main steel pipes, at least one horizontal connecting pipe is arranged between the two main steel pipes. The main transformer frame of the substation provided by the utility model has the advantages of small footprint, strong lateral deformation resistance, high load capacity and high strength.

Description

Substation main transformer structure

technical field

The utility model belongs to the field of power transmission and transformation equipment, and more specifically relates to a main transformer frame of a substation.

Background technique

With the rapid development of the national economy, the demand for electricity load is increasing rapidly, and the construction of substations is developing rapidly. The contradiction between land demand and the country's land resources is becoming more and more serious. The quality of substation land occupation indicators has an increasing impact on the cost of the project The bigger it is, it is especially prominent in developed areas, so it is very important to save the substation land. At present, the main transformer framework in the substation occupies a large area, and many main transformer frameworks have poor structural strength, which cannot meet the needs of existing substations.

Utility model content

The purpose of the utility model is to provide a main transformer frame of a substation, aiming at solving the problems that the main transformer frame occupies a large area and has poor strength in the prior art.

In order to achieve the above purpose, the technical solution adopted by the utility model is to provide a main transformer structure of a substation, including a steel pipe herringbone column, a truss-type steel beam, and a self-supporting tower; the truss-type steel beam is arranged on the steel pipe man At the top of the word column, the truss-type steel beam is arranged on the upper end of the self-supporting tower; the steel pipe herringbone column and the lower side of the self-supporting tower are equipped with The base of the tower.

Further, the truss-type steel beam is in the shape of a triangular prism and includes three main reinforcements, and a number of reinforcing ribs forming a triangular fixed connection with two of the main reinforcements are provided between adjacent main reinforcements.

Further, the steel pipe herringbone column includes two main steel pipes arranged at an angle to each other, and at least one horizontal connecting pipe is provided between the two main steel pipes.

Further, a ladder is also included, and the ladder is arranged on the steel pipe gable column or the self-supporting tower.

Further, the base is in the shape of a square prism or a cylinder, and the base is made of reinforced retarded concrete.

Further, there are two self-supporting towers and they are arranged at both ends of the truss-type steel beams, and the steel pipe herringbone column is arranged between the two self-supporting towers.

Further, both the steel pipe herringbone column and the upper end of the self-supporting tower are equipped with lightning protection devices.

Further, the lightning protection device includes a lightning receptor, a down conductor, and a grounding device.

Further, the steel pipe chevron column is detachably connected to the base.

Further, the steel pipe herringbone column is connected to the base by bolts.

The beneficial effect of the substation main transformer frame provided by the utility model is that compared with the prior art, the utility model substation main transformer frame adopts a structure combining a steel pipe herringbone column and a self-supporting tower, which occupies a small area and is resistant to The lateral deformation ability is strong, and the upper end is equipped with a truss-type steel beam, which has high load capacity and good strength.

Description of drawings

Fig. 1 is a structural schematic diagram 1 of the substation main transformer frame provided by the embodiment of the utility model;

Fig. 2 is the structural schematic diagram II of the substation main transformer frame provided by the embodiment of the utility model;

Fig. 3 is the structural schematic diagram three of the substation main transformer frame provided by the embodiment of the utility model;

Fig. 4 is a structural schematic diagram four of the substation main transformer frame provided by the embodiment of the utility model;

FIG. 5 is an enlarged schematic diagram of A in FIG. 1 .

In the figure: 1, steel pipe herringbone column; 101, main steel pipe; 102, horizontal connecting pipe; 2, self-supporting tower; 3, truss type steel beam; 301, main reinforcement; 302, reinforcing rib; Ladder; 6. Lightning protection device; 7. Mounting flange; 8. Bolt.

detailed description

In order to make the technical problems, technical solutions and beneficial effects to be solved by the utility model clearer, the utility model will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model, and are not intended to limit the utility model.

Please refer to Fig. 1 to Fig. 4 together, and now the main transformer structure of the substation provided by the utility model is described. The main transformer structure of the substation includes a steel pipe herringbone column 1, a truss-type steel beam 3, and a self-supporting tower 2; The upper end of the frame 2; the lower side of the steel pipe herringbone column 1 and the self-supporting tower 2 are all provided with a base 4 for fixing the steel pipe herringbone column 1 and the self-supporting tower 2.

Compared with the prior art, the main transformer frame of the substation provided by the utility model adopts the structure combining the steel pipe herringbone column 1 and the self-supporting tower frame 2, which occupies a small area and has strong lateral deformation resistance. The steel beam 3 has high load capacity and good strength.

Further, please refer to Fig. 1 to Fig. 4, as a specific embodiment of the main transformer frame of the substation provided by the present invention, the truss-type steel beam 2 is a triangular prism, including three main ribs 301, and between adjacent main ribs 301 Each is provided with a number of reinforcing ribs 302 that form a triangular fixed connection with the two main ribs 301 . The truss-type steel beam 2 is in the shape of a triangular prism, and the middle rib 302 and the main rib 301 are also of a triangular connection structure. The triangular connection structure is more stable and bears a stronger load.

Further, please refer to Fig. 1 to Fig. 4, as a specific embodiment of the substation main transformer frame provided by the utility model, the steel pipe herringbone column 1 includes two main steel pipes 101 arranged at an angle to each other, and the two main steel pipes At least one horizontal connecting pipe 102 is provided between 101 . The plane where the steel pipe herringbone column 1 is located is perpendicular to the horizontal plane, the angle between the main steel pipes 101 is designed and the horizontal connecting pipe 102 is arranged in the middle, which also forms a stable triangular connection structure, with more stable support and high bearing capacity.

Further, please refer to FIG. 1 to FIG. 4 , as a specific implementation of the substation main transformer frame provided by the present invention, it also includes a ladder 5 , and the ladder 5 is arranged on the steel pipe herringbone column 1 or the self-supporting tower 2 . The preferred ladder 5 is arranged on the steel pipe herringbone column 1. In this scheme, the ladder 5 is arranged on the main steel pipe 101 or fixedly arranged on the horizontal connecting pipe 102, which is convenient for fixed connection. The included angle is convenient for climbing, and the setting of the ladder 5 facilitates the installation, repair and maintenance of equipment on the main transformer frame of the substation.

Further, please refer to Fig. 1 to Fig. 5, as a specific implementation of the main transformer structure of the substation provided by the utility model, the base 4 is in the shape of a square prism or a column, and the base is made of reinforced retarded concrete. The base 4 is made of concrete, the raw material is easy to purchase, and has strong compressive capacity, and the base 4 in the shape of a square prism or a column is convenient for manufacture and transportation.

Further, please refer to Fig. 2 and Fig. 4, as a specific embodiment of the substation main transformer frame provided by the utility model, there are two self-supporting towers 2 and are arranged at both ends of the truss type steel beam 3, two Steel pipe herringbone columns 1 are arranged between the self-supporting towers 2 . Self-supporting towers 2 are arranged at both ends, and the overall structure has a stronger ability to resist lateral deformation.

Further, please refer to Fig. 3 and Fig. 4, as a specific embodiment of the main transformer structure of the substation provided by the utility model, the steel pipe herringbone column 1 and the upper end of the self-supporting tower 2 are equipped with a lightning protection device 6 . The lightning protection device 6 is installed to improve the safety performance of the substation main transformer framework.

Furthermore, as a specific implementation of the main transformer frame of the substation provided by the present invention, the lightning protection device 6 includes a lightning receptor, a down conductor, and a grounding device. The lightning terminal is connected to the down conductor, and the down conductor is connected to the grounding device, so the lightning protection effect is good.

Further, please refer to FIG. 1 to FIG. 5 , as a specific implementation of the main transformer frame of the substation provided by the present invention, the steel pipe herringbone column 1 and the base 4 are detachably connected. The steel pipe herringbone column 1 is detachably connected to the base 4 to facilitate the construction, assembly and dismantling of the substation main transformer frame. The base 4 can be mass-produced and then assembled directly at the construction site, saving construction time and improving work efficiency.

Further, please refer to FIG. 5 , as a specific implementation of the main transformer frame of the substation provided by the utility model, the steel pipe herringbone column 1 and the base 4 are connected by bolts 8 . The steel pipe herringbone column 1 is fixed on the base 4 through the bolt 8, the connection effect is firm and reliable, and the bolt 8 is a standard part, which is convenient for procurement and low in cost, and convenient for assembly.

Furthermore, the self-supporting tower 2 is detachably connected to the base 4, which facilitates the construction, assembly and dismantling of the main transformer frame of the substation. The base 4 can be mass-produced and then assembled directly at the construction site, saving construction time and improving work efficiency. efficiency.

The above descriptions are only preferred embodiments of the present utility model, and are not intended to limit the present utility model. Any modifications, equivalent replacements and improvements made within the spirit and principles of the present utility model shall be included in this utility model. within the scope of protection of utility models.

Claims (10)

1. transforming plant main transformer framework, it is characterised in that：Including steel pipe inverted Y-shaped column, trussed-beam steel beam, self-supporting pylon；The truss Formula girder steel is arranged at the top of the steel pipe inverted Y-shaped column, and the trussed-beam steel beam is arranged on the self-supporting pylon upper end；The steel Pipe herringbone column and self-supporting pylon downside are equipped with the bottom for fixing the steel pipe inverted Y-shaped column and the self-supporting pylon Seat.

2. transforming plant main transformer framework as claimed in claim 1, it is characterised in that：The trussed-beam steel beam is triangular prism shaped, bag Include and some reinforcements being fixedly connected with two main ribs formation triangles are equipped between three cage bars, adjacent main ribs Muscle.

3. transforming plant main transformer framework as claimed in claim 1, it is characterised in that：The steel pipe inverted Y-shaped column includes mutually being in angle At least provided with a horizontal connection tube between the two main steel pipes set, two main steel pipes.

4. transforming plant main transformer framework as claimed in claim 1, it is characterised in that：Also include cat ladder, the cat ladder is arranged on institute State on steel pipe inverted Y-shaped column or the self-supporting pylon.

5. transforming plant main transformer framework as claimed in claim 1, it is characterised in that：The base is quadrangular or cylindric, institute It is the native material of reinforcing bar slow setting to state base.

6. transforming plant main transformer framework as claimed in claim 1, it is characterised in that：The self-supporting pylon is two and is arranged on The steel pipe inverted Y-shaped column is set between the two ends of the trussed-beam steel beam, two self-supporting pylons.

7. transforming plant main transformer framework as claimed in claim 1, it is characterised in that：The steel pipe inverted Y-shaped column and the self-supporting tower Frame upper end is equipped with lightning protection device.

8. transforming plant main transformer framework as claimed in claim 7, it is characterised in that：The lightning protection device include arrester, draw under Line and earthing or grounding means.

9. transforming plant main transformer framework as claimed in claim 1, it is characterised in that：The steel pipe inverted Y-shaped column is with the base can It is detachably connected with.

10. transforming plant main transformer framework as claimed in claim 9, it is characterised in that：The steel pipe inverted Y-shaped column leads to the base Cross bolt connection.