CN210562276U - Integrated foundation structure of assembled transformer substation - Google Patents
Integrated foundation structure of assembled transformer substation Download PDFInfo
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- CN210562276U CN210562276U CN201921404196.5U CN201921404196U CN210562276U CN 210562276 U CN210562276 U CN 210562276U CN 201921404196 U CN201921404196 U CN 201921404196U CN 210562276 U CN210562276 U CN 210562276U
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Abstract
The utility model relates to an integrated foundation structure of assembled transformer substation, box basis including concatenation function room equipment, box basis includes bottom plate, two sides curb plate and roof, be equipped with a entrance to a cave, secondary entrance to a cave and equipment entrance to a cave on the roof, the curb plate is equipped with the cable through wires hole, and the both ends of box basis are open structure, and the box basis open structure department of assembling the back tip sets up the shutoff board. The utility model discloses an integrated foundation structure of assembled transformer substation has that the mill is prefabricated, production efficiency is high, the construction is simple convenient, the dress quality is reliable, construction cycle is short, the range of application is wide, ecological environmental protection, synthesize the characteristics that the cost is low, combine the utility model discloses a construction method can further improve assembly rate, the green level of building of reinforcing.
Description
Technical Field
The utility model relates to a transformer substation construction field especially relates to an integrated foundation structure of assembled transformer substation.
Background
The existing transformer substation infrastructure mode mostly adopts a traditional cast-in-place or brick structure, wherein the structure forms of a main foundation, an equipment foundation, a cable channel and a small pier base are various and are mutually staggered, cable laying and maintenance are influenced, and the planar layout and the space use of a transformer substation function room are restricted. In the construction link, the defects of high labor intensity of workers, high template requirement, low construction speed, low production efficiency, long construction period, high environmental pollution, difficult quality control and the like exist.
SUMMERY OF THE UTILITY MODEL
For the technical problem of the standardization, industrialization, the intensification of solving the prefabricated basic of transformer substation in prior art, the utility model provides an integrated foundation structure of assembled transformer substation.
The specific contents of the utility model are as follows: the utility model provides an integrated foundation structure of assembled transformer substation, includes the box basis of concatenation function room equipment, the box basis includes bottom plate, two sides curb plate and roof, be equipped with a entrance to a cave, secondary entrance to a cave and equipment entrance to a cave on the roof, the curb plate is equipped with the cable through wires hole, and the both ends of box basis are open structure, and the box basis open structure department of assembling the back tip sets up the shutoff board.
Furthermore, a circular cable hole is formed in the plugging plate.
Furthermore, a socket is arranged at the joint of the box-type foundation, and a socket plugging plate matched with the socket structure is arranged at the socket.
Furthermore, a door opening is formed in the assembled intersection of the box-type foundation.
Furthermore, a through long steel belt is pre-embedded in a top plate of the box-type foundation, and equipment section steel is vertically welded above the steel belt.
Furthermore, the inner wall corner haunching position of the box type foundation is provided with a tensioning hole.
Furthermore, the top plate and the side plate of the box-type foundation are provided with hoisting holes.
Further, still include the independent basis of major structure, independent basis is including being the cascaded basis of echelonment and setting up the short column on cascaded basis, and cascaded basis and short column are whole prefabricated, cascaded basis is equipped with pre-buried rings and grout hole, the short column top is equipped with shear groove and embedded bolt.
Furthermore, pre-buried rings and grout hole set up on the last ladder of cascaded basis, the top surface of cascaded basis is less than box basis bottom elevation.
Furthermore, a connecting beam is arranged between the independent foundations to support a wall body on one layer of the transformer substation, and longitudinal ribs in the connecting beam are inserted into grouting holes in the stepped foundations.
The utility model has the advantages that: the utility model discloses an integrated foundation structure of assembled transformer substation, it is prefabricated to have the mill, production efficiency is high, the construction is simple convenient, the dress quality is reliable, construction cycle is short, the range of application is wide, ecological environmental protection, synthesize the characteristics that the cost is low, main part basis, equipment foundation, cable channel, small-size pier base and other components to the transformer substation building adopt prefabricated integrated foundation structure, integrate the function, change numerous and diverse into simple, can further improve assembly rate, the green level of construction of reinforcing.
Drawings
The following further explains the embodiments of the present invention with reference to the drawings.
FIG. 1 is a schematic view of a box foundation of the present invention;
FIG. 2 is a schematic perspective view of a base structure for switchgear room equipment;
FIG. 3 is a schematic diagram of a basic three-dimensional structure of an apparatus for a capacitor and an arc suppression coil chamber;
FIG. 4 is a schematic diagram of a basic three-dimensional structure of equipment used in a GIS room;
fig. 5 is a schematic diagram of an independent foundation of the present invention.
Detailed Description
The embodiment discloses an integrated foundation structure of an assembly type transformer substation, wherein a main structure foundation is an integral independent foundation, and splicing functional room equipment is an assembled box type foundation. The foundation adopts a spliced box-type structure, integrates the structural forms of equipment foundations, cable channels and small pier seats of each equipment room, facilitates cable laying and maintenance, and enables the planar layout and the space use of functional rooms of the transformer substation to be more reasonable.
As shown in figure 1, the box-type foundation is integrally cubic, the length of a single-stage section is 800-2000 mm, the width of the box-type foundation is 1700-2300 mm, the net height of the box-type foundation is greater than 2000mm, and the net width of the box-type foundation is greater than 1200mm, so that the requirements of cable laying and personnel passing are met. The box-type sections of different types are selected for combination and assembly in the longitudinal direction or the transverse direction, so that the requirements of equipment size and hole arrangement of a switch cabinet chamber, an arc suppression coil chamber, a capacitor chamber, a distribution chamber, a secondary equipment chamber and a GIS chamber (gas insulated substation) in the transformer substation are matched.
Specifically, the box basis includes bottom plate, two sides curb plate and roof, and the front and back is open structure, sets up on the roof and is used for square primary opening 7, secondary opening 6 and the circular equipment opening that the cable passes through, and square primary opening 7, secondary opening 6 and circular equipment opening all align with primary equipment, secondary equipment and other equipment in function room. The full-length steel belt is embedded in the top plate, the equipment section steel 14 is perpendicularly welded above the steel belt, effective positioning of the equipment is guaranteed, and reliable connection with the box type foundation is achieved. One side plate of the two side plates is provided with a circular cable threading hole 8, and the side plate at the intersection of the box type foundation assembly is a door opening side plate 2 provided with a passage door opening 9 for personnel to walk. Square primary opening 7, secondary opening 6 and circular equipment opening on the box basis roof, the cable through wires hole 8 that sets up on the curb plate, door opening 9 of curb plate etc. all set for according to electric equipment 1 and the construction needs of reality through the designer.
The two ends of each box-type foundation are of an opening structure, and sockets 11 are arranged at the joints of the adjacent box-type foundations during assembly, namely, the opening at one end is of a socket structure, and the opening at the other end is of a socket structure. Soil blocking plugging plates are arranged at the opening parts of the box-type foundations at the two ends after assembly, and comprise a bellmouth plugging plate 4 and a socket plugging plate 5 which are respectively adapted to the opening structures of the box-type foundations. Can set up the cable round hole according to the user demand on the closure plate of tip. The box type foundations are connected in a dry mode, the construction technology is mature, and labor force is replaced by mechanization.
The inner wall of the box type foundation is provided with stretching axilla angles 10, the joints of the bottom plate and the side plate and the joints of the top plate and the side plate are all treated by adding axilla, and the positions of the adding axilla are provided with stretching holes corresponding to the four stretching openings 12 of the plugging plate at the end part. For convenient hoisting and reversal, the top plate and the side plate of the box-type foundation are also provided with hoisting holes.
The foundation of the embodiment adopts an assembled box type structure, integrates the structural forms of equipment foundations, cable channels and small pier seats of each equipment room, is convenient for laying and maintaining cables, and enables the plane layout and space use of functional rooms of the transformer substation to be more reasonable; aiming at the use requirements of equipment size and opening arrangement of a switch cabinet chamber, a distribution chamber, a secondary equipment chamber, an arc suppression coil chamber, a capacitor chamber and a GIS chamber in a transformer substation, the box type foundation can adopt different combination modes, and the application range is wide.
As shown in fig. 2, the three-dimensional structure of the equipment foundation of the switch cabinet assembled by the box-type foundations according to the embodiment is a schematic diagram, the box-type foundations are connected with each other by bell sockets 11 at two ends to form a row (four in each row), the port parts of the two rows of box-type foundations are respectively provided with a socket plugging plate 4 and a socket plugging plate 5, the box-type foundations at the joint of the two rows of box-type foundations of the switch cabinet are provided with a door opening 9, the side plates of the box-type foundations comprise door opening side plates 2 and general side plates 3, and the top of the box-type foundations is provided.
As shown in fig. 3, the electric chamber and the arc suppression coil chamber are formed by connecting a plurality of box foundations through socket 11 structures at two ends (seven in this embodiment), the top of each box foundation is provided with an embedded through-length steel strip, the steel strip is vertically welded with equipment section steel 14, and the electrical equipment 1 is arranged above the top plate. The side plates of the box-type foundation at the end are common side plates, and a socket plugging plate 4 and a socket plugging plate 5 are respectively arranged at the opening structure at the end.
Fig. 4 is a schematic diagram of a three-dimensional structure of a GIS room equipment foundation, wherein a plurality of box foundations form a composite square or rectangular structure, the box foundations form three rows, a primary opening 7 is formed in a top plate, two steel belts are embedded in the top plate, a steel belt 13 is embedded in the top plate, and three steel belts are embedded in the top plate. The number and the positions of the primary holes 7 and the embedded steel belts 13 correspond to those of the electrical equipment 1 arranged above the foundation.
As shown in fig. 5, the main structure foundation of the present embodiment is an integral independent foundation, the integral independent foundation is arranged below the steel structure steel frame column on the upper portion of the transformer substation, the structure of the integral independent foundation comprises a stepped foundation 15 located at the bottom and a short foundation column 20 arranged at the center of the stepped foundation 15, wherein the stepped foundation 15 is a square or rectangular double-layer stepped structure, and is integrally prefabricated with the short foundation column 20, the integral height of the independent foundation is not more than 3000mm, and the transportation of components is facilitated. The length and width of the foundation slab is not less than 2000mm, and the bearing capacity requirement of the upper structure is met. The side length of the section of the basic short column 20 is not less than 800mm, and reliable connection with a steel column is guaranteed. The top surface of the ladder is lower than the elevation of the bottom of the box type foundation, so that flexible arrangement of functional room equipment is ensured.
Hanging rings 18 are embedded in the upper step of the stepped foundation 15, connecting beam steel bar grouting holes 19 are formed in the corners of the upper step, and the depth meets the anchoring length of longitudinal bars in connecting beams and columns. The top of the foundation short column 20 is provided with a shear groove 16 and an embedded bolt 17, which correspond to the size of the upper section steel 14 column base connecting piece.
A connecting beam is arranged between the independent foundations to support a layer of wall of the transformer substation, and longitudinal ribs in the connecting beam are inserted into grouting holes 19 in the stepped foundations 15.
The integrated construction method of the assembly type transformer substation based on the box type foundation and the independent foundation comprises the following steps:
s1, firstly, excavating the whole foundation pit to the elevation of the bottom of the box-type foundation, then excavating the local part to the elevation of the bottom of the integral independent foundation, constructing and leveling the integral independent foundation cushion layer, and hoisting the independent foundation in place;
s2, further constructing a box type foundation cushion layer, wherein for a GIS equipment foundation at a position sensitive to sedimentation, the cushion layer can be locally thickened and is provided with a double-layer reinforcing mesh according to a raft foundation; after the cushion layer construction is finished, a fine sand cushion layer or a mortar setting material can be laid for leveling, and the thickness is 1-2 cm;
s3, sequentially hoisting and installing box type foundations according to the sequence of a switch cabinet chamber → a power distribution chamber → a secondary equipment chamber → an arc suppression coil chamber → a capacitor chamber → a GIS chamber, wherein the deviation of equipment and cable holes in the transformer substation is strictly controlled; when a plurality of rows of box-type foundations are combined, the box-type foundations are installed in a mode that side wall hoisting holes are combined with top surface hoisting holes; the functional rooms are arranged according to the corresponding regulations of the national grid dictionary design atlas.
S4, when the box-type foundation and the plugging plate are installed, the damage of the socket joint of the box-type foundation and the plugging plate is checked one by one, and dirt and other impurities in the end face part of the socket 11 and the connecting groove are removed; the box type foundation to be installed should move slowly and stably, the socket end and the socket end should be kept parallel when in butt joint, and the gaps of all parts are approximately equal, so that the box type foundation can be accurately positioned;
s5, connecting box type foundation sections by using prestressed steel strands or high-strength bolts; cleaning a connecting interface before tensioning the prestressed steel strand, sticking a sealing rubber strip in the reserved groove, checking equipment used for tensioning, and confirming the integrity of a prestressed part and the firmness of a fixing tool; when the bolt connection is adopted, the material, specification, tightening torque and the like of the bolt need to be confirmed;
s6, arranging a connecting beam between the integral independent foundations to support a first wall of the transformer substation, namely a first wall of a functional room consisting of box foundations; inserting the longitudinal ribs in the connecting beam into a grouting hole 19 at the stepped foundation 15, arranging a 10mm base grouting layer on the contact surface of the component, filling high-strength grouting material into the grouting hole 19 after the connecting beam is leveled, and smearing 50mm waterproof mortar at the joint to improve the durability of the joint after the strength meets the design requirement.
In the embodiment, a dry type connecting method is adopted between the box type foundations, the construction process technology is mature, and the mechanization is used for replacing labor force; compared with a traditional cast-in-place and brick structure, the assembly foundation can greatly save the usage amount of templates and concrete, and meets the requirement of environmental protection.
In the previous description, numerous specific details were set forth in order to provide a thorough understanding of the invention. The foregoing description is only illustrative of the preferred embodiments of the invention, which can be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. All the contents that do not depart from the technical solution of the present invention, any simple modification, equivalent change and modification made to the above embodiments according to the technical substance of the present invention all still belong to the protection scope of the technical solution of the present invention.
Claims (10)
1. The utility model provides an integrated foundation structure of assembled transformer substation which characterized in that: the box foundation comprises a bottom plate, two side plates and a top plate, wherein a primary hole, a secondary hole and an equipment hole are formed in the top plate, the side plates are provided with cable threading holes, the two ends of the box foundation are of open structures, and a plugging plate is arranged at the open structure of the box foundation at the end part after assembly.
2. The integrated infrastructure of a fabricated substation of claim 1, characterized in that: and the plugging plate is provided with a circular cable hole.
3. The integrated infrastructure of a fabricated substation of claim 1, characterized in that: the joint of the box type foundation is provided with a socket, and the socket is provided with a socket plugging plate matched with the socket structure.
4. The integrated infrastructure of a fabricated substation of claim 1, characterized in that: the box type foundation is provided with a door opening at the intersection of assembly.
5. The integrated infrastructure of a fabricated substation of claim 1, characterized in that: a full-length steel belt is pre-embedded in a top plate of the box foundation, and equipment section steel is vertically welded above the steel belt.
6. The integrated infrastructure of a fabricated substation of claim 1, characterized in that: and the inner wall corner haunching part of the box type foundation is provided with a tensioning hole.
7. The integrated infrastructure of a fabricated substation of claim 1, characterized in that: and hoisting holes are formed in the top plate and the side plate of the box-type foundation.
8. The integrated infrastructure of a fabricated substation of claim 1, characterized in that: still include the independent basis of major structure, independent basis is including the cascaded basis that is the echelonment and the short column of setting on cascaded basis, and cascaded basis and short column are whole prefabricated, cascaded basis is equipped with pre-buried rings and grout hole, the short column top is equipped with shear groove and embedded bolt.
9. The integrated infrastructure of a fabricated substation of claim 8, characterized in that: the embedded lifting rings and the grouting holes are arranged on the upper steps of the stepped foundation, and the top surface of the stepped foundation is lower than the bottom elevation of the box type foundation.
10. The integrated infrastructure of a fabricated substation of claim 8, characterized in that: a connecting beam is arranged between the independent foundations to support a wall body at one layer of the transformer substation, and longitudinal ribs in the connecting beam are inserted into grouting holes in the stepped foundations.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921404196.5U CN210562276U (en) | 2019-08-27 | 2019-08-27 | Integrated foundation structure of assembled transformer substation |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201921404196.5U CN210562276U (en) | 2019-08-27 | 2019-08-27 | Integrated foundation structure of assembled transformer substation |
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| CN210562276U true CN210562276U (en) | 2020-05-19 |
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| CN201921404196.5U Active CN210562276U (en) | 2019-08-27 | 2019-08-27 | Integrated foundation structure of assembled transformer substation |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110424447A (en) * | 2019-08-27 | 2019-11-08 | 建华建材（中国）有限公司 | A kind of assembled substation integration foundation structure and its construction method |
| AU2022202668A1 (en) * | 2022-03-11 | 2023-09-28 | Transnet Nz Limited | Modular Foundation System |
-
2019
- 2019-08-27 CN CN201921404196.5U patent/CN210562276U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110424447A (en) * | 2019-08-27 | 2019-11-08 | 建华建材（中国）有限公司 | A kind of assembled substation integration foundation structure and its construction method |
| AU2022202668A1 (en) * | 2022-03-11 | 2023-09-28 | Transnet Nz Limited | Modular Foundation System |
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Legal Events
| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: An integrated infrastructure for prefabricated substation Effective date of registration: 20220526 Granted publication date: 20200519 Pledgee: Industrial Bank Co.,Ltd. Zhenjiang Branch Pledgor: JIANHUA CONSTRUCTION MATERIALS (CHINA) Co.,Ltd. Registration number: Y2022980006408 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |