Fabricated box transformer substation foundation

Abstract

The utility model provides an assembly type box transformer substation foundation which comprises a bottom plate, a circle of groove is formed in the edge of the upper surface of the bottom plate, an end portion side wall and a middle portion side wall are embedded in the groove to form a box transformer substation foundation body, an oil pool is arranged on the outer side of the middle portion side wall, one end of the oil pool is connected with an oil collecting well through a flexible channel, and the other end of the oil pool is connected with an oil pump. Supporting beams are erected at the upper ends of the two middle side walls. The utility model has the advantages of simple structure, convenience in assembly, higher part universality and higher practicability, and the engineering quality of the component is improved, and the material loss is reduced.

Description

Technical Field

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[0001] The utility model relates to the technical field of prefabricated building foundations, and specifically relates to a prefabricated box substation foundation. Background Technique

[0002] At present, when building box substation foundations, the vast majority of them adopt the cast-in-place construction method. The cast-in-place box substation foundation is difficult to construct due to geographical, climatic and other factors. Uncontrollable factors in various on-site environments will cause differences in the quality of the poured body; cast-in-place construction requires on-site steel bar binding, on-site formwork support, on-site concrete pouring, post-curing, formwork removal and other processes, which takes a long time; the on-site pouring excavation area is large, and the on-site environment is severely damaged.

[0003] The existing structure of the prefabricated box substation foundation is not reasonably designed, the structural force transmission path is inappropriate, and the integrity and stability are poor. Moreover, post-cast concrete is used in the assembly of the prefabricated box substation foundation. Therefore, there is an urgent need to invent a prefabricated box substation foundation that can be quickly assembled on site to improve construction efficiency. Summary of the Invention

[0004] The purpose of the utility model is to overcome the above deficiencies and provide a prefabricated box substation foundation to solve the problems raised in the background technique.

[0005] In order to solve the above technical problems, the utility model adopts the following technical solutions: a prefabricated box substation foundation, including a bottom plate, a groove is provided along the edge on the upper surface of the bottom plate, and the end side wall and the middle side wall are fitted in the groove to form the box substation foundation main body. An oil pool is provided outside the middle side wall, one end of the oil pool is connected to an oil collecting well through a flexible channel, and a support cross beam is erected on the upper ends of the two middle side walls.

[0006] Preferably, the bottom plate is rectangular, and a drainage channel perpendicular to the groove is provided at the end of the bottom plate.

[0007] Preferably, the end side wall is of a "C" - shaped structure, and bolt holes are provided at the connection end of the end side wall. <00000l8>Preferably, the middle side wall is of a rectangular plate - like structure, bolt holes are provided at the connection end wall of the middle side wall, a strip - shaped oil baffle is provided in the middle of the upper end of the middle side wall, and the suspended side of the strip - shaped oil baffle is above the oil pool.

[0009] Preferably, card slots for embedding the support cross beam are provided on the middle side walls at the positions on both sides of the strip - shaped oil baffle.

[0010] Preferably, holes are provided on the side walls at the connection end of the oil pool and the oil collecting well, and both ends of the flexible channel are connected to the internal spaces of the oil pool and the oil collecting well through the holes.

[0011] Preferably, the end side wall and the middle side wall are connected by bolts.

[0012] Preferably, waterproof materials are used for sealing at the joints of components.

[0013] The utility model has the following beneficial effects:

[0014] 1. The utility model greatly improves the construction efficiency;

[0015] 2. The utility model uses dry assembly to reduce environmental pollution and can adapt to various different geological conditions;

[0016] 3. The utility model greatly reduces the cost, has strong practicability and a wide range of applications. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 is a schematic plan view of the overall structure of the utility model;

[0018] Figure 2 is a schematic cross-sectional view of the structure of the utility model;

[0019] Figure 3 is a schematic cross-sectional view of the structure of the utility model;

[0020] Figure 4 is a schematic cross-sectional view of the bottom drainage channel of the utility model;

[0021] Figure 5 is a partial schematic view of the side wall connection of the utility model. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0022] The following further describes the utility model with reference to the drawings and embodiments:

[0023] Refer to Figure 1 and Figure 5 A prefabricated box substation foundation includes a bottom plate 1. A groove 1.1 is provided along the edge on the upper surface of the bottom plate . The end side wall 2 and the middle side wall 3 are fitted in the groove 1.1 to form the main body of the box substation foundation. An oil sump 4 is provided outside the middle side wall 3. One end of the oil sump 4 is connected to an oil collecting well 6 through a flexible channel 5. A support cross beam 7 is installed on the upper ends of the two middle side walls 3.

[0024] Preferably, the bottom plate 1 is rectangular, and a drainage channel 1.2 perpendicular to the groove 1.1 is provided at the end of the bottom plate 1. It can effectively prevent water accumulation in the inner cavity of the box substation foundation from affecting the life of the foundation.

[0025] Preferably, the end side wall 2 is of a "U" - shaped structure, and bolt holes 8 are provided at the connection end of the end side wall 2. After the connection is completed, the holes can be sealed with cement mortar to improve the integrity of the device.

[0026] Preferably, the middle sidewall 3 is a rectangular plate structure, the connecting end wall of the middle sidewall 3 is provided with bolt holes 8, and the middle of the upper end of the middle sidewall 3 is provided with a strip-shaped oil baffle 3.1, the suspended side of the strip-shaped oil baffle 3.1 is above the oil tank 4.

[0027] Preferably, the middle sidewall 3 at both sides of the strip-shaped oil baffle 3.1 is provided with a slot for embedding the support beam 7.

[0028] Preferably, the sidewalls of the oil tank 4 and the oil collecting well 6 are provided with holes, and the two ends of the flexible channel 5 are connected to the internal space of the oil tank 4 and the oil collecting well 6 through the holes. The flexible channel 5 can be made of materials such as metal hoses.

[0029] Preferably, the end sidewall 2 and the middle sidewall 3 are connected by bolts. This allows for rapid assembly of the structure.

[0030] Preferably, all component joints are sealed with waterproof material. This enhances the overall integrity, sealing, and completeness of the device, thus extending its service life.

[0031] The working principle of this embodiment is as follows:

[0032] The prefabricated components are transported to the construction site. After the site is leveled, the base plate 1 is placed in the predetermined position. Then, the end sidewall 2 and the middle sidewall 3 are connected by bolts and embedded into the groove 1.1. A support beam 7 is set in the slot 3.2 on the middle sidewall 3. Then, an oil tank 4 is installed on the outside of the middle sidewall 3. An oil collection well 6 is installed on the outside of the end sidewall 2. A flexible channel 5 is connected between the oil collection well 6 and the oil tank 4.

[0033] The above embodiments are merely preferred technical solutions of this utility model and should not be considered as limitations on this utility model. The protection scope of this utility model should be the technical solution described in the claims, including equivalent substitutions of the technical features described in the claims. That is, equivalent substitutions and improvements within this scope are also within the protection scope of this utility model.

Claims

1. A prefabricated transformer substation foundation, comprising a base plate (1), characterized in that, On the upper surface of the bottom plate (1), a circular groove (1.1) is provided along the edge. The end side wall (2) and the middle side wall (3) are fitted in the groove (1.1) to form the main body of the box-type substation foundation. An oil sump (4) is provided outside the middle side wall (3). One end of the oil sump (4) is connected to an oil collecting well (6) through a flexible channel (5). A support cross beam (7) is erected on the upper ends of the two middle side walls (3).

2. The prefabricated substation foundation according to claim 1, characterized in that, The bottom plate (1) is rectangular, and a drainage channel (1.2) perpendicular to the groove (1.1) is provided at the end of the bottom plate (1).

3. The prefabricated substation foundation according to claim 1, characterized in that, The end side wall (2) is of a "C"-shaped structure, and bolt holes (8) are provided at the connecting end of the end side wall (2).

4. The prefabricated substation foundation according to claim 1, characterized in that, The middle side wall (3) is of a rectangular plate-like structure. Bolt holes (8) are provided at the end wall of the middle side wall (3). A strip-shaped oil baffle (3.1) is provided in the middle of the upper end of the middle side wall (3), and the suspended side of the strip-shaped oil baffle (3.1) is above the oil sump (4).

5. A prefabricated substation foundation according to claim 4, characterized in that, Slots for embedding the support cross beam (7) are provided on the middle side wall (3) at the positions on both sides of the strip-shaped oil baffle (3.1).

6. The prefabricated substation foundation according to claim 1, characterized in that, Holes are provided on the side walls at the connecting end of the oil sump (the 4) and the oil collecting well (6), and the two ends of the flexible channel (5) are connected to the inner spaces of the oil sump (4) and the oil collecting well (6) through the holes.

7. The prefabricated substation foundation according to claim 1, characterized in that, The end side wall (2) and the middle side wall (3) are connected by bolts.

8. A prefabricated substation foundation according to claim 1, characterized in that, Sealing treatment is carried out on all component joints using waterproof materials.

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