CN218757570U - Frame-type prefabricated cabin basis of transformer substation - Google Patents

Abstract

The utility model belongs to the technical field of transformer substation building engineering application, specifically disclose a frame-type transformer substation prefabricated cabin basis, including the foundation ditch, be provided with reinforced concrete raft, reinforced concrete column is provided with on the reinforced concrete raft, reinforced concrete column upper portion terminal surface is provided with the reinforced concrete roof beam, be provided with the built-in fitting on the reinforced concrete roof beam, the periphery of foundation ditch establishes the brickwork infilled wall; the embedded part is channel steel or flat steel and is used for welding a base of the prefabricated cabin when the prefabricated cabin is installed. The utility model discloses a prefabricated cabin basis of frame-type transformer substation's beneficial effect lies in: 1. the whole design is reasonable, and the building materials are saved; 2. the structure has good integrity and stress uniformity; 3. the foundation is used for various electrical equipment prefabricated cabins in the transformer substation, the structure is simple and modular, and the construction period is saved; 4. the foundation frame columns are flexibly arranged as required, the space is not occupied, and a large-space cable layer is formed at the bottom of the cabin and is beneficial to cable laying.

Description

Frame-type prefabricated cabin basis of transformer substation

Technical Field

The utility model belongs to the technical field of the building engineering of transformer substation uses, concretely relates to prefabricated cabin basis of frame-type transformer substation.

Background

With the continuous improvement of the living standard of people and the development and progress of social economy, a new energy power generation project is greatly popularized, and the power grid engineering construction faces the challenges of difficult land acquisition, difficult construction and short construction period of a transformer substation. The existing traditional transformer substation mode can not meet the requirement of rapid development of power grid engineering, and the intelligent modular prefabricated cabin type transformer substation is more and more widely applied.

The intelligent modularized prefabricated cabin type transformer substation is based on the mature manufacturing technology of outdoor box type transformer substation products, combines the requirements of standardized design, industrialized processing and assembly type construction, well installs and debugs primary and secondary system equipment of the transformer substation in a factory and then installs the equipment into a movable, sealed, moistureproof and rustproof three-layer prefabricated cabin body, achieves the construction of a four-layer power station with system integration, production industrialization, assembly modularization and construction simplification, and is an innovative rapid distribution type station building mode.

In order to shorten the construction period, the foundation construction of the prefabricated cabin is generally required to be completed in one step before the prefabricated cabin is produced, so that the prefabricated cabin can be immediately installed in place when being transported to a construction site, and the delay of the subsequent process due to the slow foundation construction is avoided. In order to complete the construction of the prefabricated cabin foundation as soon as possible, the construction scheme of the prefabricated cabin foundation needs to be designed in advance, so that the time can be saved as much as possible, and the foundation construction can be completed. In the past, the surrounding edge type reinforced concrete wall prefabricated cabin foundation is adopted in more projects, and because the foundation not only has large concrete consumption, but also has unreasonable structural stress and is easy to cause great deformation of a prefabricated cabin bottom plate, how to build the prefabricated cabin foundation which not only saves materials, but also can improve the structural stress rationality is very important.

Therefore, to the drawback problem that the aforesaid exists, the utility model provides a prefabricated cabin basis of frame-type transformer substation.

SUMMERY OF THE UTILITY MODEL

Utility model purpose: the utility model aims at providing a prefabricated cabin basis of frame-type transformer substation, its project organization is reasonable, solves the technical problem who exists in the background art, promptly in the construction of prefabricated cabin basis of transformer substation, how more save building material and improve basic atress rationality.

The technical scheme is as follows: the utility model provides a prefabricated cabin basis of frame-type transformer substation, including the foundation ditch, be provided with reinforced concrete raft on the foundation ditch, be provided with reinforced concrete column on the reinforced concrete raft, reinforced concrete column upper portion terminal surface is provided with the reinforced concrete roof beam, be provided with the built-in fitting on the reinforced concrete roof beam, the periphery of foundation ditch is established the brickwork infilled wall; the embedded part is channel steel or flat steel and is used for welding a base of the prefabricated cabin when the prefabricated cabin is installed.

According to the technical scheme, the frame-type transformer substation prefabricated cabin foundation further comprises water collecting pits arranged in two ends of the foundation pit.

According to the technical scheme, the prefabricated cabin foundation of the frame-type transformer substation further comprises a plurality of holes formed in the lower portion of one end of the filler wall and cable trenches arranged on the outer wall of one end of the filler wall and corresponding to the holes.

According to the technical scheme, the prefabricated cabin foundation of the frame-type transformer substation further comprises a plurality of steel crawling ladders arranged on the side wall inside the filling wall.

According to the technical scheme, the frame type transformer substation prefabricated cabin foundation further comprises steps on the outer walls of two ends of the filler wall or the outer wall of one side of the filler wall.

According to the technical scheme, the prefabricated cabin foundation of the frame-type transformer substation further comprises a plurality of groups of ventilation shutters arranged in the middle parts of two sides of the filler wall in a staggered mode.

Compared with the prior art, the utility model discloses a prefabricated cabin basis of frame-type transformer substation's beneficial effect lies in: 1. the whole design is reasonable, and the building materials are saved; 2. the structure has good integrity and stress uniformity; 3. the foundation is used for various electrical equipment prefabricated cabins in the transformer substation, the structure is simple and modular, and the construction period is saved; 4. the foundation frame columns are flexibly arranged as required, the space is not occupied, and a large-space cable layer is formed at the bottom of the cabin and is beneficial to cable laying.

Drawings

To more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following embodiments will be made to

While the drawings needed to describe the embodiments are briefly described, it should be apparent that the drawings described below are merely examples of the invention and that other drawings may be derived by those of ordinary skill in the art without inventive faculty.

Fig. 1 is a schematic view of a basic plane structure of a reinforced concrete raft of a prefabricated cabin foundation of a frame-type substation of the present invention;

fig. 2 is a schematic structural diagram of a top view portion of a frame-type substation prefabricated cabin foundation of the present invention;

fig. 3 is a schematic structural diagram of a cross-sectional part of a prefabricated cabin foundation of a frame-type substation according to the present invention;

4a, 4b, 4c and 4d are schematic diagrams of a reinforced concrete beam, a filler wall, a sump reinforcement, a steel ladder, and a step, respectively;

wherein, the numbers in the figure are marked as follows: 1-reinforced concrete raft, 2-reinforced concrete column, 3-reinforced concrete beam, 4-embedded part, 5-sump pit, 6-ventilation shutter, 7-steel ladder, 8-opening, 9-cable trench, 10-step, 11-infilled wall, 12-foundation pit, and 13-lower concrete cushion.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by a person skilled in the art without creative work belong to the scope of protection of the present invention based on the embodiments of the present invention.

In the description of the present invention, it should be noted that, the terms "top", "bottom", "one side", "the other side", "front") "rear", "middle", "inner", "top", "bottom".

Bottom "and the like are orientations or positional relationships based on the orientations or positional relationships shown in the drawings, only for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, as they may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example one

A framed prefabricated substation cabin foundation as shown in fig. 1, 2 and 3, comprises a foundation pit 12,

the foundation pit 12 is provided with a reinforced concrete raft 1,

a reinforced concrete column 2 is arranged on the reinforced concrete raft 1,

the upper end face of the reinforced concrete column 2 is provided with a reinforced concrete beam 3,

the reinforced concrete beam 3 is provided with an embedded part 4,

a masonry filler wall 11 is arranged at the periphery of the foundation pit 12;

the embedded part 4 is channel steel or flat steel (the embedded part 4 is one or combination of channel steel and flat steel), and is used for welding a base of the prefabricated cabin when the prefabricated cabin is installed.

Example two

On the basis of the first embodiment, the prefabricated cabin foundation of the frame-type transformer substation further comprises water collecting pits 5 arranged in two ends of a foundation pit 12 and used for collecting leakage water.

EXAMPLE III

On the basis of the first embodiment or the second embodiment, the frame type prefabricated cabin foundation for the transformer substation further comprises a plurality of holes 8 formed in the lower portion of one end of the filler wall 11, and cable trenches 9 arranged on the outer wall of one end of the filler wall 11 and corresponding to the holes 8 in position and used for assembling power cables.

Example four

On the basis of the first embodiment, the second embodiment or the third embodiment, the frame type transformer substation prefabricated cabin foundation further comprises a plurality of steel crawling ladders 7 arranged on the side wall inside the filler wall 11, and the steel crawling ladders are used for climbing when power cables are erected inside or in construction.

EXAMPLE five

On the basis of the first embodiment or the second embodiment or the third embodiment or the fourth embodiment, the frame-type substation prefabricated cabin foundation further comprises steps 10 for filling outer walls at two ends or one side of a wall 11 for manual walking transition.

EXAMPLE six

On the basis of the first embodiment or the second embodiment or the third embodiment or the fourth embodiment or the fifth embodiment, the frame-type substation prefabricated cabin foundation further comprises a plurality of groups of ventilation shutters 6 which are arranged in the middles of two sides of the filler wall 11 in a staggered mode and used for ventilation.

The working principle or the structural principle of the frame-type transformer substation prefabricated cabin foundation with the structure is as follows:

the construction process of the prefabricated cabin foundation comprises the following steps: (1) Excavating a foundation pit 12 of the prefabricated cabin foundation, and pouring a concrete cushion 13 below the reinforced concrete raft plate 1; (2) pouring the reinforced concrete raft 1 and the water collecting pit 5; (3) Pouring the reinforced concrete columns 2 and the reinforced concrete beams 3, wherein pre-embedding of the pre-embedded parts 4 is required before concrete of the reinforced concrete beams 3 at the top, and the pre-embedded parts 4 are poured at the tops of the reinforced concrete beams 3; (4) Constructing a filler wall, reserving a shutter opening and a cable inlet and outlet opening, and arranging a steel crawling ladder; and (5) constructing foundation external water dispersion and steps.

The working principle is as follows:

after the prefabricated cabin of the reinforced concrete frame structure is installed in place, the load of the prefabricated cabin is transmitted to the top frame beam (the reinforced concrete beam 3) from the prefabricated cabin base and is transmitted to the bottom raft foundation (the reinforced concrete raft foundation 1) through the frame column (the reinforced concrete column 2 is poured).

Fig. 4a is a schematic view of a reinforced concrete beam and a filler wall, fig. 4b is a schematic view of a sump reinforcing bar, fig. 4c is a schematic view of a steel ladder from above, and fig. 4d is a schematic view of a step from above.

It should be noted that, in this document, terms such as "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrases "comprising a," "8230," "8230," or "comprising" does not exclude the presence of additional like elements in a process, method, article, or apparatus that comprises the element.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (6)

1. The utility model provides a prefabricated cabin basis of frame-type transformer substation, includes foundation ditch (12), its characterized in that:

a reinforced concrete raft (1) is arranged on the foundation pit (12),

the reinforced concrete raft (1) is provided with a reinforced concrete column (2),

a reinforced concrete beam (3) is arranged on the end surface of the upper part of the reinforced concrete column (2),

an embedded part (4) is arranged on the reinforced concrete beam (3),

a masonry filler wall (11) is arranged at the periphery of the foundation pit (12);

the embedded part (4) is channel steel or flat steel and is used for welding a base of the prefabricated cabin when the prefabricated cabin is installed.

2. A framed substation prefabricated cabin foundation according to claim 1, wherein: the prefabricated cabin foundation of the frame-type transformer substation further comprises water collecting pits (5) arranged in two ends of the foundation pit (12) and used for collecting leakage water.

3. A framed prefabricated substation cabin foundation according to claim 1 or 2, wherein: the prefabricated cabin foundation of frame-type transformer substation still includes a plurality of entrance to a cave (8) of setting in infilled wall (11) one end lower part, and sets up in infilled wall (11) one end outer wall, and with entrance to a cave (8) position corresponding cable pit (9).

4. A framed prefabricated substation cabin foundation according to claim 1, 2 or 3, wherein: the prefabricated cabin foundation of frame-type transformer substation still includes a plurality of steel cat ladder (7) of setting at infilled wall (11) inside lateral wall.

5. A frame-type substation prefabricated cabin foundation according to claim 4, characterized in that: the prefabricated cabin foundation of the frame-type transformer substation further comprises steps (10) of outer walls at two ends or outer wall at one side of a filling wall (11).

6. A frame-type substation prefabricated cabin foundation according to claim 5, characterized in that: the prefabricated cabin foundation of the frame-type transformer substation further comprises a plurality of groups of ventilation shutters (6) which are arranged in the middle parts of two sides of the filler wall (11) in a staggered mode.

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