CN212927216U - Assembled steel structure foundation of prefabricated cabin transformer substation - Google Patents
Assembled steel structure foundation of prefabricated cabin transformer substation Download PDFInfo
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- CN212927216U CN212927216U CN202022302502.3U CN202022302502U CN212927216U CN 212927216 U CN212927216 U CN 212927216U CN 202022302502 U CN202022302502 U CN 202022302502U CN 212927216 U CN212927216 U CN 212927216U
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Abstract
The utility model discloses a prefabricated cabin transformer substation assembled steel structure foundation.A beam system module is arranged above a strut module, and a retaining module is arranged at the outer side of the integral module formed by connecting the strut module and the beam system module; the strut module is composed of a plurality of pairs of single columns, and the single columns adopt channel steel more than Q235; the upper end of the single column and the joint of the beam system module are welded with connecting positioning plates, the connecting positioning plates are parallel to the ground, a plurality of positioning plate connecting holes are formed in the connecting positioning plates, the upper side and the lower side of each connecting positioning plate are respectively welded with connecting limiting brackets at equal intervals, and a cross beam is longitudinally erected between the connecting limiting brackets; the lower end of the single column is welded with a base. The utility model discloses whole infrastructure is nimble convenient, and after later stage transformer substation removed the field, the basis can also be dismantled and retrieve, recycle, and the pier stud is also conveniently demolishd, resumes the original ecology of occupation of land, and the environmental protection is practiced thrift.
Description
Technical Field
The utility model relates to a pin-connected panel steel construction basis, concretely relates to prefabricated cabin transformer substation pin-connected panel steel construction basis.
Background
The foundation of the traditional prefabricated cabin transformer substation is in a concrete pouring type, and the operation flow comprises positioning and paying-off → foundation pit excavation and pile breaking → cushion layer pouring → foundation reinforcement binding → foundation template support → foundation concrete pouring → foundation beam reinforcement binding → foundation beam template support → embedded steel plate installation → foundation beam concrete pouring → template dismantling and earthwork backfilling. The whole construction period takes months and can be completed by quite professional building constructors. And after the foundation is poured, the embarrassment that the prefabricated cabin transformer substation cannot be installed and constructed after being transported to the site due to poor surface flatness of the foundation often caused by the problem of construction technology is often caused. After the transformer substation is removed from the yard in the later period, the foundation cannot be dismantled, and the occupied land cannot restore the original ecology.
To sum up, the utility model discloses a prefabricated cabin transformer substation pin-connected panel steel construction basis.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a be not enough to exist on the prior art, the utility model aims at providing a prefabricated cabin transformer substation pin-connected panel steel construction basis, can be according to the size of prefabricated cabin transformer substation, cabin body weight, the condition such as area, each module of prefabricated cabin transformer substation pin-connected panel steel construction basis is good in remote design, then it is prefabricated at the mill's environment, together transport the scene with prefabricated cabin transformer substation and assemble, whole construction process of assembling only need several hours, and on-the-spot earlier stage work only need pour a plurality of pier stud that highly do not exceed a meter in the four corners and the crossbeam position of prefabricated cabin transformer substation bottom can.
In order to achieve the above purpose, the present invention is realized by the following technical solution: the prefabricated cabin transformer substation assembled steel structure foundation comprises a pillar module, a beam system module and an enclosure module, wherein the beam system module is arranged above the pillar module, and the maintenance module enclosure module is arranged on the outer side of the integral module formed by connecting the pillar module and the beam system module; the strut module is composed of a plurality of pairs of single columns, and the single columns adopt channel steel more than Q235; the upper end of the single column is welded with a connecting positioning plate at the joint of the beam system module, the connecting positioning plate is parallel to the ground, a plurality of positioning plate connecting holes are formed in the connecting positioning plate, the upper side and the lower side of the connecting positioning plate are respectively welded with connecting limiting supports at equal intervals, a cross beam is longitudinally erected between the connecting limiting supports, and the connecting plate at the inward position on the single column at the middle position is in a shape of a convex character which rotates 90 degrees rightwards; the lower end of the single column is welded with a base.
Preferably, the area of the base is larger than the sectional area of the single column, screw holes are symmetrically formed in four corners of the base, four edges of the single column are perpendicular to the base, and two reinforcing plates perpendicular to each other are arranged at the contact positions of the edges and the base.
Preferably, the beam system module is composed of a plurality of beams made of channel steel more than Q235, a plurality of beam connecting holes are preset at two ends of each beam, and the preset beam connecting holes on each beam are fixedly connected with corresponding positioning plate connecting holes on the connecting positioning plate through bolts; the end angle positions of the two ends of each cross beam are provided with a <' > shaped groove, so that when the cross beams are connected with the single columns conveniently and are erected on the limiting support, the angle positions of the cross beams and the single columns can be finely adjusted up and down.
Preferably, the single column is connected with the left side, the right side or the two side cross beams through inclined struts to play a role in further strengthening.
Preferably, a trapezoidal wire casing is arranged at a position higher than the single-column base below the cross beam, and the trapezoidal wire casing is fixed with the cross beam at the upper part through a hanging rod.
Preferably, the enclosure module comprises a fence platform, steel grating plates, a fence and a stair, one side of the fence platform is erected outside the cross beam and fixed through bolts, the other side of the fence platform is supported and fixed with the ground through supporting legs, the steel grating plates are laid on the fence platform to form a walkway, the fence is erected on the outermost side of the walkway, the stair is erected at one end of the walkway and fixed through bolts, and a maintenance module capable of enabling workers to walk up and down and around the prefabricated cabin is formed.
The utility model has the advantages that: the utility model discloses a basic construction cycle of whole prefabricated cabin transformer substation has shortened more than 5 times, and whole cost has 1/10 of traditional mode only. And whole infrastructure is nimble convenient, and after later stage transformer substation withdrawed from the court, the basis can also be dismantled and retrieve, recycle, and the pier stud is also conveniently demolishd, resumes the original ecology of occupation of land, and the environmental protection is practiced thrift.
Drawings
The present invention will be described in detail with reference to the accompanying drawings and specific embodiments;
fig. 1 is a front view of the present invention;
fig. 2 is a bottom view of the present invention (the enclosure module is not shown);
FIG. 3 is an enlarged view of portion A of FIG. 1;
fig. 4 is a schematic view of the structure of the enclosure module of the present invention;
FIG. 5 is a bottom view of FIG. 4;
fig. 6 is a schematic view of the foundation column of the present invention.
Detailed Description
In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.
Referring to fig. 1 to 6, the following technical solutions are adopted in the present embodiment: the prefabricated cabin transformer substation assembled steel structure foundation comprises a pillar module 1, a beam system module 2 and an enclosure module 3, wherein the beam system module 2 is installed above the pillar module 1, and the maintenance module enclosure module 3 is arranged on the outer side of the integral module formed by connecting the pillar module 1 and the beam system module 2; the strut module 1 is composed of a plurality of pairs of single columns 1-1, and the single columns 1-1 adopt Q235 channel steel; the connecting positioning plate 4 is welded at the joint of the upper end of the single column 1-1 and the beam system module 2, the connecting positioning plate 4 is parallel to the ground, a plurality of positioning plate connecting holes 4-1 are formed in the connecting positioning plate 4, the upper side and the lower side of the connecting positioning plate 4 are respectively welded with connecting limiting supports 5 at equal intervals, the width between the connecting limiting supports 5 just can be used for erecting the longitudinal width of a channel steel used as a cross beam, one end of the cross beam is conveniently erected on the upper support and the lower support when the cross beam is installed, and the connecting plate at the inward position on the single column 1-1 at the middle position is in a shape of a right-rotated 90; the lower end of the single column 1-1 is welded with a base 7.
The area of the base 7 is larger than the sectional area of the single column 1-1, screw holes are symmetrically formed in four corners of the base 7, four edges of the single column 1-1 are perpendicular to the base 7, two reinforcing plates 8 which are perpendicular to each other are arranged at the contact position of the edges and the base 7, and the reinforcing plates are perpendicular to the base and the edges respectively.
The beam system module 2 is composed of a plurality of beams 6 made of channel steel more than Q235, a plurality of beam connecting holes are preset at two ends of each beam 6, and the preset beam connecting holes on each beam 6 are fixedly connected with corresponding positioning plate connecting holes 4-1 on the connecting positioning plate 4 through bolts; the end angle positions of the two ends of each cross beam are provided with a <' > shaped groove 6-2, so that when the cross beams are connected with the single columns conveniently and the cross beams are erected on the limiting supports, the angle positions of the cross beams and the single columns can be finely adjusted up and down.
The single column 1-1 is connected with the cross beam 6 on the left side, the right side or both sides through the inclined strut 1-2, and further reinforcement is achieved.
A trapezoidal wire casing 9 is arranged at a position higher than a single column 1-1 column foot below the cross beam 6, and the trapezoidal wire casing 9 is fixed with the cross beam 6 at the upper part through a suspender 10.
The enclosure module 3 comprises a fence platform 3-1, steel grating plates 3-2, a fence 3-3 and a stair 3-4, one side of the fence platform 3-1 is erected outside the cross beam 6 and fixed through bolts, the other side of the fence platform 3-1 is supported and fixed with the ground through supporting feet, the steel grating plates 3-2 are laid on the fence platform 3-1 to form a walkway, the fence 3-3 is erected on the outermost side of the walkway, the stair 3-4 is erected at one end of the walkway and fixed through bolts, and a maintenance module capable of enabling workers to walk up and down and around the prefabricated cabin is formed.
The construction steps of the whole prefabricated cabin transformer substation assembled steel structure foundation of the specific embodiment are as follows:
1. constructing a single-column foundation: according to the size of the prefabricated cabin and the designed number and positions of the single columns, a single column foundation is constructed at a corresponding position selected by measurement in an installation construction site, plain soil, a plain concrete cushion layer and steel structure concrete are compacted and poured to form a foundation column (the shape is shown in figure 6), a square foundation pit is reserved on the upper surface of the foundation column, the width of the pit can accommodate a T-shaped shear key, and the depth of the pit is smaller than the height of the shear key.
2. After relevant modules of the prefabricated cabin transformer substation assembled steel structure foundation are prefabricated in a factory, the prefabricated cabin transformer substation assembled steel structure foundation and the prefabricated cabin are transported to a construction site simultaneously:
A. then, firstly installing a single column, fixing a column base and a shear key by using bolts, and then inserting the column base and the shear key into the square foundation pit;
B. after all the single columns are installed, the adjusting nuts for adjusting the connecting positions of the column feet of each single column and the shear key positions are assisted by the infrared level meter, (the upper end of the ground anchor bolt used at the connecting position is of a double-nut structure, and the lower end of the ground anchor bolt is provided with the adjusting nut which can be used for finely adjusting the horizontal height of the column feet) so as to adjust the height of the single columns and enable the upper surfaces of the single columns to be on a horizontal plane;
C. mounting a beam system assembly, respectively clamping a '<' -shaped groove formed in the two end angle positions of one end of the cross beam on a limit bracket designed at the upper end and the lower end of the single column, correspondingly connecting a preset connecting hole in one end of the cross beam with a preset connecting hole in a positioning plate by using a bolt, sequentially operating, respectively connecting the cross beam with the single column, and not screwing a connecting nut between the cross beam and the single column at the moment so as to facilitate further levelness adjustment in the next step;
D. then, the levelness is adjusted again by repeating the step B to ensure the levelness of the whole cross beam, in the process, as the two end angle positions of the two ends of each cross beam are provided with the '<' -shaped groove structures, the blocking cannot be generated when the horizontal height of the single column is adjusted finely, the connecting bolt does not need to be disassembled, and the connecting bolt can be screwed down after the levelness is adjusted again;
E. installing a trapezoidal wire casing below the cross beam, then sequentially installing a fence platform and supporting legs, laying a steel grating, and installing a fence and a stair; (adjustment of levelness if necessary)
F. After the installation of the whole steel structure is completed, secondary concrete pouring is carried out on the square foundation pit, the pouring horizontal plane is arranged between the adjusting nut and the double nuts, and after concrete is dried, the foundation construction of the whole steel structure is completed.
The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. The prefabricated cabin transformer substation assembled steel structure foundation is characterized by comprising a pillar module (1), a beam system module (2) and an enclosure module (3), wherein the beam system module (2) is installed above the pillar module (1), and the maintenance module enclosure module (3) is arranged on the outer side of the integral module formed by connecting the pillar module (1) and the beam system module (2); the support module (1) is composed of a plurality of pairs of single columns (1-1), and the single columns (1-1) adopt channel steel; the connecting and positioning plate (4) is welded at the joint of the upper end of the single column (1-1) and the beam system module (2), the connecting and positioning plate (4) is parallel to the ground, a plurality of positioning plate connecting holes (4-1) are formed in the connecting and positioning plate (4), the upper side and the lower side of the connecting and positioning plate (4) are respectively welded with connecting and limiting supports (5) at equal intervals, a cross beam (6) is longitudinally erected between the connecting and limiting supports (5), and a base (7) is welded at the lower end of the single column (1-1).
2. The prefabricated cabin transformer substation assembled steel structure foundation of claim 1, wherein the area of the base (7) is larger than the sectional area of the single column (1-1), screw holes are symmetrically formed in four corners of the base (7), four edges of the single column (1-1) are perpendicular to the base (7), and two reinforcing plates (8) which are perpendicular to each other are arranged at the contact positions of the edges and the base (7).
3. The prefabricated cabin transformer substation assembled steel structure foundation of claim 1, wherein the beam system module (2) is composed of a plurality of beams (6) made of channel steel more than Q235, a plurality of beam connecting holes are preset at two ends of each beam (6), and the preset beam connecting holes on each beam (6) are fixedly connected with corresponding positioning plate connecting holes (4-1) on the connecting positioning plate (4) through bolts; the end angle positions of the two ends of each beam are provided with a <' > shaped groove.
4. The prefabricated cabin substation assembled steel structure foundation of claim 1, wherein the single column (1-1) is connected with the left, right or two side beams (6) through inclined struts (1-2).
5. The prefabricated cabin transformer substation assembled steel structure foundation of claim 1, wherein a trapezoidal wire casing (9) is arranged at a position higher than a single column (1-1) column base below the cross beam (6), and the trapezoidal wire casing (9) is fixed with the upper cross beam (6) through a hanger rod (10).
6. The prefabricated cabin transformer substation assembled steel structure foundation of claim 1, wherein the enclosure module (3) comprises a fence platform (3-1), steel grating plates (3-2), a fence (3-3) and a stair (3-4), one side of the fence platform (3-1) is erected on the outer side of the beam (6) and fixed through bolts, the other side of the fence platform (3-1) is supported and fixed with the ground through supporting legs, the steel grating plates (3-2) are laid on the fence platform (3-1) to form a walkway, the fence (3-3) is erected on the outermost side of the walkway, and the stair (3-4) is erected at one end of the walkway and fixed through bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202022302502.3U CN212927216U (en) | 2020-10-16 | 2020-10-16 | Assembled steel structure foundation of prefabricated cabin transformer substation |
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| CN202022302502.3U CN212927216U (en) | 2020-10-16 | 2020-10-16 | Assembled steel structure foundation of prefabricated cabin transformer substation |
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| CN212927216U true CN212927216U (en) | 2021-04-09 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112031495A (en) * | 2020-10-16 | 2020-12-04 | 安徽固亚德电力设备有限公司 | Prefabricated cabin transformer substation assembled steel structure foundation and construction splicing method thereof |
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2020
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112031495A (en) * | 2020-10-16 | 2020-12-04 | 安徽固亚德电力设备有限公司 | Prefabricated cabin transformer substation assembled steel structure foundation and construction splicing method thereof |
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