A GIS equipment installation basis

Abstract

The present invention discloses an installation foundation for GIS equipment, wherein a plurality of anchoring steel bars are welded on a strip plate, and a support plate is welded on the bottom surface of at least two anchoring steel bars on each strip plate, and two strip plates are placed on a corrugated steel plate in parallel with each other through corresponding support plates, and the strip plates, anchoring steel bars, support plates and corrugated steel plates are pre-buried in an embedded part layer; a plurality of steel beams are arranged above two strip plates, and two rigid piers are welded on each steel beam, and the rigid piers at both ends of the steel beam are correspondingly welded on the two strip plates, and the steel beams and rigid piers are placed in a soil surface layer. The present invention makes it unnecessary for the processes such as pouring and curing of the GIS room floor slab to lag behind the equipment manufacturer's data, and realizes early construction, which can effectively reduce the construction period of the substation, and can select steel piers of appropriate height according to the light height of the soil surface layer in the actual project, and has strong engineering adaptability; holes are opened on the steel beams for the soil surface layer steel bars and pipelines to pass through, so as to prevent the concrete layer in the soil surface layer from cracking.

Description

Technical field:

[0002] The invention relates to an installation base for GIS equipment. Background technology:

[0004] In the conventional domestic substation construction and design mode, the GIS foundation embedded parts need to be designed according to the equipment data provided by the winning bidder. The embedded parts usually use channel steel or steel plates, and are constructed at the same time as the structural floor of the distribution device building. Square embedded parts are set under the channel steel or steel plate, and the square embedded parts are connected to the structural floor of the substation distribution device building through anchor bars. This foundation design form needs to be designed according to the equipment data provided by the manufacturer. Usually, the manufacturer's equipment data lags behind the design and construction progress of the distribution device building, resulting in the on-site construction progress being subject to the equipment data of the GIS manufacturer, which makes the construction period long and the construction quality difficult to guarantee.

[0005] Moreover, when constructing the GIS room of the substation, a lightweight concrete filling layer of more than 300mm is required between the electrical equipment base and the structural floor slab, and a cable trench is required in the filling layer for cable routing. Since the filling layer is thick, steel bars need to be arranged on the upper part of the lightweight concrete to prevent concrete cracking. The current design method uses channel steel or steel plates for horizontal embedding of GIS, both of which are solid-web structures, which hinder the laying of steel bars, cables and other pipelines, and bring inconvenience to on-site construction. During actual on-site construction, the steel mesh is generally cut off at the obstruction of the horizontal embedding parts, which reduces the crack resistance of the lightweight concrete surface layer. After the substation is put into operation for a long time, the lightweight concrete surface layer will crack, which brings safety hazards to operation and maintenance. Summary of the invention:

[0007] The present invention provides an installation foundation for GIS equipment. The present invention uses steel beams to replace the original horizontal embedded parts, and uses strip plates to replace the original square embedded parts. Before the GIS manufacturer's information is provided, the civil construction of the distribution device building (i.e., the embedded parts layer construction) is first carried out, and the longitudinal embedded parts are buried on the floor slab where the GIS equipment is to be arranged. After the GIS manufacturer's information is determined, the specific position of the steel beam is determined according to the equipment information requirements, and it is welded firmly with the strip plate embedded parts. Finally, after the construction of other cable trenches and cables in the GIS room is completed, lightweight concrete is poured to form a soil surface layer.

[0008] The technical solutions adopted in the present invention are:

[0009] A GIS equipment installation foundation, comprising a strip plate, anchoring steel bars, a support plate, a corrugated steel plate, a steel beam, a steel pier, an embedded layer and a soil surface layer, wherein a plurality of anchoring steel bars are welded on the strip plate in parallel and at a certain interval, a support plate is welded on the bottom surface of at least two anchoring steel bars on each strip plate, two strip plates are placed on the corrugated steel plate in parallel with each other through corresponding support plates, and the strip plate, anchoring steel bars, support plate and corrugated steel plate are pre-buried in the embedded layer;

[0010] Several steel beams are arranged parallel to each other above two shaped plates according to the installation dimensions of the GIS equipment. Several installation holes for arranging steel bars or pipelines are provided on each steel beam. The installation holes at at least one corresponding position on all steel beams are coaxially arranged. Two rigid piers are welded on each steel beam. The rigid piers at both ends of the steel beam are correspondingly welded to the two shaped plates. The steel beam and the rigid piers are placed in the soil surface layer.

[0011] Furthermore, the embedded part layer and the soil surface layer are both cast by concrete.

[0012] Furthermore, the strip plate and the steel beam are perpendicular to each other.

[0013] Furthermore, the top surface of the steel beam is higher than the top surface of the soil surface layer or is flush with the top surface of the soil surface layer.

[0014] Furthermore, the strip plate is formed by splicing a plurality of rectangular plate bodies, and splicing seams are left between adjacent plate bodies.

[0015] Furthermore, the plate body is provided with a grout overflow hole.

[0016] Furthermore, the length of the plate is 1 m or 1.5 m.

[0017] Furthermore, the anchoring steel bar includes two right-angle steel bar bodies, the vertical edges of the two right-angle steel bar bodies are welded to the bottom surface of the strip plate, the horizontal edges of the two right-angle steel bar bodies are arranged back to back, and the support plate is welded to the horizontal edges of the two right-angle steel bar bodies in the corresponding anchoring steel bars.

[0018] Furthermore, the support plate on the anchor steel bar is supported on the front surface of the corrugated steel plate.

[0019] Furthermore, the cross-sections of the steel beam and the steel pier are both H-shaped structures, and a number of reinforcing plates are provided on the steel beam.

[0020] The present invention has the following beneficial effects:

[0021] During construction, the strip plates can be buried in the floor structure along the equipment direction before the electrical equipment data is provided. At least two strip plates are buried in each equipment interval. The strip plates are parallel and arranged at intervals, so they can cover all possible installation positions of steel beams, and achieve the goal of substation structure construction before GIS equipment data is provided, which is conducive to saving construction period and ensuring project quality. The beneficial effects produced are: the pouring and maintenance of the GIS room floor does not need to lag behind the equipment manufacturer's data, and early construction can be achieved, which can effectively reduce the substation erection period. The steel beams of appropriate height can be selected according to the actual engineering soil surface layer light height, and the engineering adaptability is strong; the holes on the steel beams can be used for the soil surface layer steel bars and pipelines to pass through, preventing the concrete layer in the soil surface layer from cracking. Description of the drawings:

[0023] FIG. 1 is a structural diagram of the arrangement of strip plates, corrugated steel plates and steel beams in the present invention.

[0024] FIG. 2 is a structural diagram of the steel beam on the embedded part layer in the present invention.

[0025] FIG. 3 is a structural diagram of the GIS equipment installed on the basis of the present invention.

[0026] FIG. 4 is a partial enlarged view of the present invention.

[0027] FIG. 5 is a structural diagram of the steel beam in the present invention. Specific implementation method:

[0029] The present invention will be further described below in conjunction with the accompanying drawings.

[0030] like Figures 1 to 5 The present invention provides an installation foundation for GIS equipment, including a strip plate 11, anchor steel bars 12, a support plate 13, a steel beam 31, a steel pier 32, an embedded layer 10, a soil surface layer 20 and a corrugated steel plate 2 with a front surface and a valley surface.

[0031] A number of anchoring steel bars 12 are welded on the strip plates 11 in parallel and at a certain interval. A support plate 13 is welded on the bottom surface of at least two anchoring steel bars 12 on each strip plate 11. The two strip plates 11 are placed parallel to each other on the front surface of the corrugated steel plate 2 through the corresponding support plates 13. The strip plates 11, the anchoring steel bars 12, the support plates 13 and the corrugated steel plate 2 are pre-embedded in the embedded layer 10, and the upper end surface of the strip plate 11 is flush with the upper end surface of the embedded layer 10.

[0032] A plurality of steel beams 31 are arranged in parallel above the two strip plates 11 according to the installation dimensions of the GIS equipment, and the steel beams 31 and the strip plates 11 are arranged perpendicular to each other.

[0033] A plurality of mounting holes 30 for arranging steel bars or pipelines are provided on each steel beam 31 , and the mounting holes 30 at at least one corresponding position on all the steel beams 31 are coaxially arranged. Two rigid piers 32 are welded on each steel beam 31 , and the rigid piers 32 at both ends of the steel beam 31 are correspondingly welded to two strips of shaped plates 11 , and the steel beam 31 and the rigid piers 32 are placed in the soil surface layer 20 .

[0034] The embedded layer 10 and the soil surface layer 20 in the present invention are both cast with concrete. The construction process of the embedded layer 10 does not require electrical equipment data, and since the strip plate 11 is designed in a strip shape, it can cover all possible locations where the steel beam 31 may be buried.

[0035] The top surface of the steel beam 31 in the present invention is higher than the top surface of the soil surface layer or flush with the top surface of the soil surface layer, which facilitates the installation of the GIS equipment. The GIS equipment can be welded or fixedly connected to the steel beam 31 by screws.

[0036] The strip plate 11 is formed by splicing a plurality of rectangular plate bodies 111, with a splicing seam between adjacent plate bodies. The length of the plate body 111 is 1m or 1.5m in two standard lengths, which is convenient for modular production.

[0037] A plurality of overflow holes 112 with a diameter of 50 mm and a spacing of 250 mm are provided on the plate body 111. The overflow holes are arranged in a single row along the long side direction of the plate body 111. The overflow holes facilitate the vibration and molding of concrete.

[0038] The anchoring steel bar 12 in the present invention includes two right-angle steel bar bodies 121, the vertical edges of the two right-angle steel bar bodies 121 are welded to the bottom surface of the strip plate 11, the horizontal edges of the two right-angle steel bar bodies 121 are arranged back to back to form a supporting foot structure, and the support plate 13 is welded to the horizontal edges of the two right-angle steel bar bodies 121 in the corresponding anchoring steel bar 12.

[0039] A plurality of right-angle steel bars 121 are evenly and parallelly arranged, the bottom corners of the anchor steel bars 12 form a support foot structure, and a "steel cage" structure is formed between the anchor steel bars 12 and the strip plates 11 to ensure the strength of the embedded layer 10.

[0040] In the present invention, the cross-sections of the steel beam 31 and the steel pier 32 are both H-shaped structures. To ensure the structural strength of the steel beam 31, a plurality of reinforcing plates 33 are provided on the steel beam 31. The reinforcing plates 33 and the mounting holes 30 are arranged on the steel beam 31 at intervals.

[0041] A plurality of mounting holes 30 are provided on the steel beam 31. The mounting holes 30 are circular holes or regular polygonal holes, and the mounting holes 30 facilitate the steel bars, pipelines, etc. to pass through the steel beam 31. The mounting holes 30 facilitate the arrangement of steel bars or pipelines, and also play a role in reducing weight.

[0042] During the construction of the present invention, first, the strip plates are constructed at the same time as the concrete floor of the substation, and are pre-buried in the reinforced concrete floor along the direction of the GIS equipment. At least two strip plates are required for each GIS equipment interval. The length of each strip plate is determined by the project needs and is composed of standard parts (plate body 111). The construction process does not require electrical equipment data. Since the strip plates are designed to be strip-shaped, they can cover all possible buried positions of the steel beams 31.

[0043] Next, after the electrical equipment data is provided, the specific location of the GIS equipment is determined according to the installation requirements of the electrical equipment, and then the steel beam 31 is welded to the strip plate. Finally, after the construction of auxiliary facilities such as the GIS indoor cable trench is completed, a lightweight concrete surface layer is poured on the embedded layer 10, and the height of the soil surface layer is equal to or lower than the top surface of the steel beam 31 (when lower, the height difference is 3-5mm), the embedded construction is completed, and then the GIS equipment can be installed.

[0044] The above description is only a preferred embodiment of the present invention. It should be pointed out that a person skilled in the art can make several improvements without departing from the principle of the present invention, and these improvements should also be regarded as within the protection scope of the present invention.

Claims

1. An installation base for GIS equipment, characterized by: The invention comprises a strip plate (11), anchoring steel bars (12), a support plate (13), a corrugated steel plate (2), a steel beam (31), a steel pier (32), an embedded part layer (10) and a soil surface layer (20), wherein a plurality of anchoring steel bars (12) are welded to the strip plate (11) in parallel and at a certain interval, and a support plate (13) is welded to the bottom surface of at least two anchoring steel bars (12) on each strip plate (11), and two strip plates (11) are placed on the corrugated steel plate (2) in parallel with each other via the corresponding support plates (13), and the strip plate (11), the anchoring steel bars (12), the support plate (13) and the soil surface layer (20) are welded to the bottom surface of at least two anchoring steel bars (12) on each strip plate (11). The corrugated steel plate (2) is pre-buried in the embedded component layer (10); a plurality of steel beams (31) are arranged in parallel above the two profile plates (11) according to the installation dimensions of the GIS equipment; a plurality of mounting holes (30) for arranging steel bars or pipelines are provided on each steel beam (31); the mounting holes (30) at at least one corresponding position on all the steel beams (31) are coaxially arranged; two rigid piers (32) are welded on each steel beam (31); the rigid piers (32) at both ends of the steel beam (31) are correspondingly welded to the two profile plates (11); the steel beam (31) and the rigid piers (32) are placed in the soil surface layer (20); The anchoring steel bar (12) comprises two right-angle steel bar bodies (121), the vertical edges of the two right-angle steel bar bodies (121) are welded to the bottom surface of the strip plate (11), the horizontal edges of the two right-angle steel bar bodies (121) are arranged in a back-to-back relationship, and the support plate (13) is welded to the horizontal edges of the two right-angle steel bar bodies (121) in the corresponding anchoring steel bar (12); The cross-sections of the steel beam (31) and the steel pier (32) are both H-shaped structures, and a plurality of reinforcing plates (33) are provided on the steel beam (31).

2. The installation base of the GIS equipment according to claim 1, characterized in that: The embedded component layer (10) and the soil surface layer (20) are both cast with concrete.

3. The installation base of the GIS equipment according to claim 1, characterized in that: The strip plate (11) and the steel beam (31) are perpendicular to each other.

4. The installation base of the GIS equipment according to claim 1, characterized in that: The top surface of the steel beam (31) is higher than the top surface of the soil surface layer or is flush with the top surface of the soil surface layer.

5. The installation base of the GIS equipment according to claim 1, characterized in that: The strip plate (11) is formed by splicing a plurality of rectangular plate bodies (111), with splicing seams being left between adjacent plate bodies (111).

6. The installation base of the GIS equipment according to claim 5, characterized in that: The plate body (111) is provided with a grout overflow hole (112).

7. The installation base of the GIS equipment according to claim 5, characterized in that: The length of the plate body (111) is 1 m or 1.5 m.

8. The installation base of the GIS equipment according to claim 1, characterized in that: The support plate (13) on the anchoring steel bar (12) is supported on the front surface of the corrugated steel plate (2).

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