CN217399716U - General prefabricated assembled main transformer basis of cavity body - Google Patents

Abstract

The utility model discloses a prefabricated assembled main transformer basis of general cavity body, including bottom plate and the prefabricated structure of cavity body, parallel arrangement leads to long steel sheet on the bottom plate, the bottom of the prefabricated structure of cavity body sets up logical long angle steel, the direction that leads to long angle steel is perpendicular with the direction that leads to long steel sheet, the prefabricated structure of cavity body is located on the bottom plate through leading to long angle steel and being connected of leading to long steel sheet. The position of the prefabricated structure of the cavity body is adjusted through the through-length steel plate embedded in the bottom plate, so that the prefabricated structure is suitable for different main transformers.

Description

General prefabricated assembled main transformer basis of cavity body

Technical Field

The utility model relates to a main transformer basic design technical field especially relates to a prefabricated assembled main transformer basis of general cavity body.

Background

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

At present, the general design and construction process of the main transformer foundation is as follows: and (4) equipment bidding, designing according to equipment bidding results, binding steel bars and supporting molds on site at the positions of the in-station main transformers of the newly-built transformer substation or the extension transformer substation, and pouring concrete on site. The design and construction of the main transformer foundation in the process have the following defects:

(1) the construction period is long. The method has the advantages that main transformer manufacturers are more and more, main transformer equipment installation requirements are different, a main transformer foundation is generally made into a whole, the whole pouring is carried out during construction and is influenced by the equipment installation requirements, the development of design work is limited, the design period is long, the pouring time is long, and the method cannot be applied to transformers of various models; secondly, the foundation of the cast-in-situ main transformer needs to be bound with reinforcing steel bars on site, form erecting on site, concrete casting on site, form removal and the like, is limited by the concrete curing time, seasonal climate environment and other conditions, and has a longer construction period.

(2) High cost and poor economical efficiency. The field construction operation requires higher labor cost; in addition, for reconstruction and extension projects, due to the fact that the site construction time is long, a safe and reasonable power failure scheme needs to be formulated to guarantee site construction safety, and therefore large economic loss is caused.

(3) The pollution is large. Because the wet operation is completely on site, greater pollution can be generated; and the land utilization type of the transformer substation is mainly farmland, and large construction temporary land occupation is needed for on-site reinforcement processing, material stacking and the like, so that the water and soil conservation function of the earth surface is influenced.

(4) The engineering quality is not guaranteed. Because the volume of cast-in-place main transformer foundation concreting is generally larger, a large amount of hydration heat can be released in the concrete solidification process, so that the main transformer equipment foundation can crack, and the engineering quality is reduced.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem, the utility model provides a prefabricated assembled main transformer basis of general cavity body adjusts the position of cavity body prefabricated construction through the pre-buried logical long steel sheet of bottom plate to be applicable to different main transformers.

In order to realize the purpose, the utility model adopts the following technical scheme:

the utility model provides a prefabricated assembled main transformer basis of general cavity body, include: the cavity body prefabricated structure comprises a bottom plate and a cavity body prefabricated structure, wherein a through long steel plate is arranged on the bottom plate in parallel, a through long angle steel is arranged at the bottom of the cavity body prefabricated structure, the direction of the through long angle steel is perpendicular to the direction of the through long steel plate, and the cavity body prefabricated structure is arranged on the bottom plate through the connection of the through long angle steel and the through long steel plate.

The utility model provides a pair of prefabricated assembled main transformer basis of general cavity body, when on-the-spot hoist and mount, according to main transformer's installation requirement, adjust the position of the prefabricated structure of cavity body, make on the cavity body prefabricated structure locate the bottom plate through leading to long angle steel and leading to being connected of long steel sheet to realize the installation requirement that the position of the prefabricated structure of cavity body matees the main transformer.

As an alternative embodiment, the full-length angle steel is welded and fixed with the full-length steel plate.

As an alternative embodiment, two through long angle steels are arranged at the bottom of the hollow cavity prefabricated structure.

As an alternative embodiment, four full-length steel plates are arranged on the bottom plate in parallel.

As an alternative embodiment, at least one hoisting piece is arranged on the side wall of the hollow prefabricated structure, and the hoisting piece is used for hoisting the hollow prefabricated structure.

As an alternative, the sling comprises a sling or a hook.

As an alternative embodiment, the top surface of the hollow cavity prefabricated structure is provided with a steel plate.

As an alternative embodiment, four steel plates are provided.

As an alternative embodiment, the hollow-cavity prefabricated structure is a hollow-cavity shell.

As an alternative embodiment, the bottom plate is a reinforced concrete bottom plate.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model provides a prefabricated assembled main transformer basis of general cavity body, through the pre-buried position of leading to long steel sheet regulation cavity body prefabricated construction of reinforced concrete bottom plate, with be applicable to different main transformers, when on-the-spot hoist and mount, according to the installation requirement of main transformer, adjust the position of cavity body prefabricated construction, make cavity body prefabricated construction locate the bottom plate through leading to long angle steel and leading to being connected of long steel sheet, with the installation requirement that realizes that the position of cavity body prefabricated construction matches the main transformer, design and construction cycle are effectively shortened, and can effectual assurance engineering quality.

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

Drawings

The accompanying drawings, which form a part of the specification, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to constitute a limitation on the invention.

Fig. 1 is a schematic structural diagram of a general assembly type main transformer foundation with a prefabricated hollow cavity provided in embodiment 1 of the present invention;

FIG. 2 is a sectional view taken along line A-A of FIG. 1;

fig. 3 is a schematic view of a bottom plate structure provided in embodiment 1 of the present invention;

FIG. 4 is a cross-sectional view taken along line B-B of FIG. 3;

fig. 5 is a schematic view of a prefabricated structure of a hollow cavity provided in embodiment 1 of the present invention;

FIG. 6 is a cross-sectional view taken along line C-C of FIG. 5;

FIG. 7 is a cross-sectional view taken along line D-D of FIG. 5;

wherein, 1, a bottom plate; 2. a full-length steel plate; 3. a cavity body prefabricated structure; 4. a steel plate; 5. a through long angle steel; 6. and (4) hoisting the piece.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings and examples.

It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the 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 is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments in accordance with the invention. As used herein, the singular forms "a", "an", and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise, and it should be understood that the terms "comprises" and "comprising", and any variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

In the case of conflict, the embodiments and features of the embodiments of the present invention can be combined with each other.

Example 1

The embodiment provides a prefabricated assembled main transformer basis of general cavity body, can satisfy the installation requirement of the main transformer of different voltage classes, different models, and reduces site operation work load, reduces the restriction of weather condition to the construction, improves the engineering quality to improve the efficiency of construction.

As shown in fig. 1-2, the method specifically comprises: bottom plate 1 and cavity body prefabricated construction 3, parallel arrangement leads to long steel sheet 2 on the bottom plate 1, the bottom of cavity body prefabricated construction 3 sets up leads to long angle steel 5, the direction that leads to long angle steel 5 is perpendicular with the direction that leads to long steel sheet 2, cavity body prefabricated construction 3 locates on bottom plate 1 through leading to long angle steel 5 and leading to being connected of long steel sheet 2 to the installation requirement of main transformer is matchd to the position that makes cavity body prefabricated construction 3.

As shown in fig. 3-4, in the present embodiment, the arrangement of the full length steel plate 2 and the full length angle steel 5 means that the full length steel plate 2 and the full length angle steel 5 are uninterruptedly arranged on the bottom plate 1 and the hollow body prefabricated structure 3;

as an alternative embodiment, 4 through long steel plates 2 are pre-embedded on the bottom plate 1;

it can be understood that the number of the full-length steel plates 2 can be selected according to actual requirements, and the embodiment is not limited.

In the present embodiment, the size of the base plate 1 is determined according to general equipment, so as to ensure that the size of the base plate 1 meets the installation requirements of different main transformers.

As an alternative embodiment, the bottom plate 1 is made of reinforced concrete and is cast in place by a construction unit.

As shown in fig. 5-7, in the present embodiment, the top surface of the hollow cavity prefabricated structure 3 is provided with steel plates 4, the number of the steel plates 4 can be selected according to actual requirements, and an example of 4 steel plates is given in fig. 5, but is not limited thereto.

As an alternative embodiment, the size of the steel plate 4 is determined according to the sizes of embedded parts of main transformer equipment of different manufacturers so as to adapt to the installation of the equipment of different manufacturers; it is understood that the size is selected according to actual requirements, and is not limited herein.

As an alternative embodiment, the hollow-cavity prefabricated structure 3 is a hollow-cavity shell.

As an alternative embodiment, the cavity prefabricated structure 3 is formed into a cavity shell by using a high-strength concrete mold above C30.

As an optional implementation mode, two through-length angle steels 5 are arranged at the bottom of the cavity prefabricated structure 3, and the through-length angle steels 5 are welded and fixed with the through-length steel plate 2.

In this embodiment, be equipped with at least one hoist and mount piece 6 on the lateral wall of cavity body prefabricated construction 3 to carry out transportation, hoist and mount and the installation of cavity body prefabricated construction 3, improve the efficiency of construction.

As an alternative embodiment, said sling 6 comprises a hanging ring or a hook.

In the embodiment, the design of the hollow cavity prefabricated structure 3 saves a large amount of labor cost, template cost and maintenance time, reduces pollution caused by field wet operation, and reduces temporary occupied land for construction; for reconstruction and extension projects, the social and economic losses caused by power failure of main transformer reconstruction and extension can be reduced.

In this embodiment, the operation principle of the fabricated main transformer base is as follows:

embedding through-length steel plates which are arranged in parallel at the top of the reinforced concrete bottom plate;

embedding a steel plate at the top of the cavity prefabricated structure, and embedding a through long angle steel at the bottom;

during on-site hoisting, the position of the cavity body prefabricated structure is adjusted according to the installation requirements of the main transformer, and the cavity body prefabricated structure is welded with the full-length steel plate through the full-length angle steel, so that the position of the cavity body prefabricated structure is suitable for construction and installation of different main transformer equipment.

Although the present invention has been described with reference to the accompanying drawings, it is not intended to limit the scope of the present invention, and those skilled in the art should understand that various modifications or variations that can be made by those skilled in the art without inventive work are still within the scope of the present invention.

Claims (10)

1. A general prefabricated assembled main transformer basis of cavity body which characterized in that includes: bottom plate and cavity body prefabricated construction, parallel arrangement leads to long steel sheet on the bottom plate, cavity body prefabricated construction's bottom sets up leads to long angle steel, the direction that leads to long angle steel is perpendicular with the direction that leads to long steel sheet, cavity body prefabricated construction locates on the bottom plate through leading to long angle steel and being connected of leading to long steel sheet.

2. A universal cavity prefabricated main transformer foundation as claimed in claim 1, wherein said full length angle steel is welded to the full length steel plate.

3. A universal prefabricated main transformer foundation with hollow cavity as claimed in claim 1, wherein said hollow cavity prefabricated structure is provided with two through long angle steel at the bottom.

4. A universal pre-fabricated main transformer foundation with empty cavities as claimed in claim 1, wherein said bottom plate has four through steel plates disposed in parallel.

5. A universal prefabricated main transformer foundation with hollow cavity as claimed in claim 1, wherein said side wall of said prefabricated structure with hollow cavity is provided with at least one lifting member for lifting said prefabricated structure with hollow cavity.

6. A universal pre-fabricated modular main transformer foundation with empty cavities as claimed in claim 5, wherein said lifting means comprises lifting rings or hooks.

7. A universal prefabricated main transformer foundation with hollow cavity as claimed in claim 1, wherein said hollow cavity prefabricated structure is provided with steel plates on its top surface.

8. A universal pre-fabricated modular main transformer foundation with hollow bodies as claimed in claim 7, wherein said steel plates are provided in four strips.

9. A universal pre-fabricated modular main transformer foundation with hollow bodies as claimed in claim 1, wherein said pre-fabricated structure of hollow bodies is a hollow shell.

10. A universal pre-fabricated main transformer foundation with empty cavities as claimed in claim 1, wherein said bottom plate is made of reinforced concrete.

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