CN111653955A - Rapid construction method for realizing installation foundation of secondary screen cabinet of transformer substation - Google Patents
Rapid construction method for realizing installation foundation of secondary screen cabinet of transformer substation Download PDFInfo
- Publication number
- CN111653955A CN111653955A CN202010434859.9A CN202010434859A CN111653955A CN 111653955 A CN111653955 A CN 111653955A CN 202010434859 A CN202010434859 A CN 202010434859A CN 111653955 A CN111653955 A CN 111653955A
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- secondary screen
- screen cabinet
- base
- transformer substation
- construction method
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/50—Pedestal- or pad-mounted casings; Parts thereof or accessories therefor
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/30—Cabinet-type casings; Parts thereof or accessories therefor
- H02B1/303—Bases or feet
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Foundations (AREA)
Abstract
The invention relates to the technical field of power equipment, in particular to a quick construction method for realizing a transformer substation secondary screen cabinet installation foundation, which specifically comprises the following steps: s1 slotting → S2 concrete preparation → S3 concrete pouring → assembly base → S5 base installation → S6 secondary screen cabinet installation of the substation. According to the invention, through excavating the base fixing groove with the depth of 0.4m and installing the bottom used for fixing the secondary screen cabinet of the transformer substation in the groove, the progress of civil engineering construction is accelerated, the construction difficulty is reduced, the aim of saving cost is achieved, the installation construction efficiency of the secondary screen cabinet base is improved, the working strength is reduced, the construction cost of civil engineering construction time is shortened, resources are saved, the operation reliability of a power grid is improved, the relative height of a nut is changed by adjusting the relative position of a fine adjustment bolt, the function of adjusting the height is realized, all horizontal heights of the base can be unified, and the structure is more stable.
Description
Technical Field
The invention relates to the technical field of power equipment, in particular to a quick construction method for realizing a transformer substation secondary screen cabinet installation foundation.
Background
The method of installing the secondary control screen (cabinet) by adopting the reserved foundation pit needs to excavate the original foundation and reserve enough space so that the electrical equipment can be safely connected with each other through the cable without influencing the original installation foundation. However, a foundation pit with a depth of 1.2m is excavated in the limited space of the main control room, and the construction difficulty is high by adopting the existing method for manufacturing the base foundation on the premise of not influencing the stability of the original equipment foundation, so that the construction progress is slow. In the foundation excavation process, the excavation amount of earthwork is large, and the generated abandoned soil outward transportation work is difficult to be unfolded.
Disclosure of Invention
The invention aims to provide a quick construction method for realizing a transformer substation secondary screen cabinet installation foundation, and aims to solve the problems of large workload and low construction speed of the conventional secondary control screen installation in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
a quick construction method for realizing a transformer substation secondary screen cabinet installation foundation specifically comprises the following steps:
s1 slotting: selecting the installation position of a secondary screen cabinet of the transformer substation, excavating a foundation pit for installing a base of the secondary screen cabinet of the transformer substation at the selected position, and correcting the corner;
s2 preparation of concrete: c20 concrete is prepared on site, 12g of water is required to be mixed in every 100g of raw materials, and manual vibration is carried out for about 10min until the concrete has fluidity;
s3 pouring concrete: pouring concrete slurry in the excavated foundation pit, wherein the strength of the concrete is 35-50%;
s4 assembling the base: splicing various raw materials by using a base for installing a secondary screen cabinet of a transformer substation, and carrying out galvanizing treatment on the surface of the base;
s5 mounting base: after the concrete is solidified and formed, the spliced base is arranged at the top of the poured concrete, and the positions of all corners of the base are adjusted through a lifting support mechanism on the base, so that the top surface of the base is horizontal;
s6, mounting a secondary screen cabinet of the transformer substation: and moving the secondary screen cabinet of the transformer substation to the base for fixing.
Preferably, the depth of the foundation pit is 0.4m, and the bottom area of the foundation pit is the same as the floor area of the base.
As preferred, the base includes two sets of parallel arrangement's crossbeam and two sets of parallel arrangement's longeron, and two sets of crossbeams and two sets of longerons constitute the rectangle structure, and are two sets of two parallel arrangement's liftable supporting mechanism is all installed to the bottom of crossbeam, liftable supporting mechanism includes the supporting leg, install the bolt stationary blade on the supporting leg, the installation screw has been seted up to the center department of bolt stationary blade, installation screw female connection has the fine setting bolt, threaded connection has first nut and second nut on the fine setting bolt, first nut and second nut set up respectively in the upper and lower both sides of bolt stationary blade.
Preferably, the top seat is installed at the top of the supporting leg, mounting holes are formed in the edge portions of the two ends of the top seat, and connecting screw holes which are matched with the mounting holes in size, correspond to the mounting holes in position and are the same in number are formed in the bottom surface of the cross beam.
Preferably, the supporting legs sequentially penetrate through the mounting holes and the connecting screw holes through fixing bolts and are connected to the bottoms of the cross beams in a threaded mode.
Preferably, the cross beam, the longitudinal beam and the supporting legs are made of angle steel, and the thickness of the angle steel is 5 mm.
Preferably, the length of the cross beam is 800mm, the length of the longitudinal beam is 400mm, and the length of the supporting leg is 150 mm.
Preferably, the length of the fine adjustment bolt is 90mm, the thickness of the first nut and the second nut is 15mm, and the thickness of the nut is 15 mm.
Preferably, the bottom end of the fine adjustment bolt is a smooth screw rod, and the length of the fine adjustment bolt is 10 mm.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the quick construction method for realizing the installation foundation of the secondary screen cabinet of the transformer substation, the base fixing groove with the depth of 0.4m is excavated, and the bottom used for fixing the secondary screen cabinet of the transformer substation is installed in the groove, so that the progress of civil engineering construction is accelerated, the construction difficulty is reduced, the cost-saving target is achieved, the installation construction efficiency of the base of the secondary screen cabinet is improved, the working strength is reduced, the construction time and the construction cost of the civil engineering are shortened, the resources are saved, and the operation reliability of a power grid is improved.
2. Through the liftable supporting mechanism who sets up in this quick construction method who realizes transformer substation's secondary screen cabinet installation basis, simple structure, reasonable in design changes the relative height of nut through the relative position of adjusting the fine setting bolt to realize the function of adjustable height, can unify each level of base, the nut of welding in the channel-section steel bottom has the fixed action, reduces the removal that screw rod and base supported, makes the structure more stable.
Drawings
FIG. 1 is a schematic view of the base of the present invention;
FIG. 2 is an exploded view of the cross beam of the present invention;
the definitions of the various reference numbers in the figures are:
100. a cross beam; 101. mounting a screw hole;
200. a stringer;
300. a lifting support mechanism; 301. supporting legs; 302. connecting the top seat; 303. mounting holes; 304. a bolt fixing piece; 305. mounting a screw hole; 306. fine-tuning the bolt; 307. a first nut; 308. a second nut.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.
Example 1
A quick construction method for realizing a transformer substation secondary screen cabinet installation foundation specifically comprises the following steps:
s1 slotting: selecting the installation position of a secondary screen cabinet of the transformer substation, excavating a foundation pit for installing a base of the secondary screen cabinet of the transformer substation at the selected position, and correcting the corner;
s2 preparation of concrete: c20 concrete is prepared on site, 12g of water is required to be mixed in every 100g of raw materials, and manual vibration is carried out for about 10min until the concrete has fluidity;
s3 pouring concrete: pouring concrete slurry in the excavated foundation pit, wherein the strength of the concrete is 35-50%;
s4 assembling the base: splicing various raw materials by using a base for installing a secondary screen cabinet of a transformer substation, and carrying out galvanizing treatment on the surface of the base;
s5 mounting base: after the concrete is solidified and formed, the spliced base is arranged at the top of the poured concrete, and the positions of all corners of the base are adjusted through a lifting support mechanism on the base, so that the top surface of the base is horizontal;
s6, mounting a secondary screen cabinet of the transformer substation: and moving the secondary screen cabinet of the transformer substation to the base for fixing.
Furthermore, the depth of the foundation pit is 0.4m, and the floor area of the foundation pit is the same as the floor area of the base.
According to the quick construction method for realizing the installation foundation of the secondary screen cabinet of the transformer substation, the base fixing groove with the depth of 0.4m is excavated, and the bottom used for fixing the secondary screen cabinet of the transformer substation is installed in the groove, so that the progress of civil engineering construction is accelerated, the construction difficulty is reduced, the cost-saving target is achieved, the installation construction efficiency of the base of the secondary screen cabinet is improved, the working strength is reduced, the construction time and the construction cost of the civil engineering are shortened, the resources are saved, and the operation reliability of a power grid is improved.
Example 2
As a second embodiment of the present invention, as shown in fig. 1 and fig. 2, the base includes two sets of parallel cross beams 100 and two sets of parallel longitudinal beams 200, the two sets of cross beams 100 and the two sets of longitudinal beams 200 form a rectangular structure, two parallel liftable support mechanisms 300 are mounted at the bottoms of the two sets of cross beams 100, each liftable support mechanism 300 includes a support leg 301, a bolt fixing plate 304 is mounted on the support leg 301, a mounting screw hole 305 is formed at the center of the bolt fixing plate 304, a fine adjustment bolt 306 is connected to the mounting screw hole 305 through an internal thread, a first nut 307 and a second nut 308 are connected to the fine adjustment bolt 306 through an internal thread, and the first nut 307 and the second nut 308 are respectively disposed at the upper side and the lower side of.
Further, footstock 302 is installed at the top of supporting leg 301, mounting hole 303 has been seted up at the both ends edge portion of footstock 302, the bottom surface of crossbeam 100 is seted up with mounting hole 303 size looks adaptation, the corresponding and the same connection screw 101 of quantity in position, supporting leg 301 passes mounting hole 303 and connection screw 101 threaded connection in the bottom of crossbeam 100 in proper order through fixing bolt 400, be convenient for install or dismantle supporting leg 301, after long-term the use, if one or more of them supporting leg 301 damage is discovered, can change alone, save cost of maintenance.
Specifically, the cross beam 100, the longitudinal beam 200 and the supporting leg 301 are all made of angle steel, the thickness of the angle steel is 5mm, the length of the cross beam 100 is 800mm, the length of the longitudinal beam 200 is 400mm, the length of the supporting leg 301 is 150mm, the length of the fine adjustment bolt 306 is 90mm, the thicknesses of the first nut 307 and the second nut 308 are 15mm, the thickness of the nut is 15mm, the bottom end of the fine adjustment bolt 306 is an optical screw rod, the length of the fine adjustment bolt is 10mm, the remaining length of the fine adjustment bolt 306 is adjustable maximum length, and the adjustable maximum length of the fine adjustment bolt is 90-2 × 15-15-10-5 ═ 30 mm.
Through the liftable supporting mechanism 300 who sets up in the quick construction method of realization transformer substation secondary screen cabinet installation basis of this embodiment, simple structure, reasonable in design through the relative position of adjusting fine setting bolt 306, changes the relative height of nut to realize the function of adjustable height, can unify each level of base, the nut of welding in the channel-section steel bottom has the fixed action, reduces the removal that screw rod and base supported, makes the structure more stable.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (9)
1. A quick construction method for realizing a transformer substation secondary screen cabinet installation foundation is characterized by comprising the following steps: the method specifically comprises the following steps:
s1 slotting: selecting the installation position of a secondary screen cabinet of the transformer substation, excavating a foundation pit for installing a base of the secondary screen cabinet of the transformer substation at the selected position, and correcting the corner;
s2 preparation of concrete: c20 concrete is prepared on site, 12g of water is required to be mixed in every 100g of raw materials, and manual vibration is carried out for about 10min until the concrete has fluidity;
s3 pouring concrete: pouring concrete slurry in the excavated foundation pit, wherein the strength of the concrete is 35-50%;
s4 assembling the base: splicing various raw materials by using a base for installing a secondary screen cabinet of a transformer substation, and carrying out galvanizing treatment on the surface of the base;
s5 mounting base: after the concrete is solidified and formed, the spliced base is arranged at the top of the poured concrete, and the positions of all corners of the base are adjusted through a lifting support mechanism on the base, so that the top surface of the base is horizontal;
s6, mounting a secondary screen cabinet of the transformer substation: and moving the secondary screen cabinet of the transformer substation to the base for fixing.
2. The rapid construction method for realizing the installation foundation of the secondary screen cabinet of the transformer substation according to claim 1, characterized in that: the depth of the foundation pit is 0.4m, and the bottom area of the foundation pit is the same as the floor area of the base.
3. The rapid construction method for realizing the installation foundation of the secondary screen cabinet of the transformer substation according to claim 1, characterized in that: the base includes crossbeam (100) and two sets of parallel arrangement's longeron (200) of two sets of parallel arrangement, and rectangular structure is constituteed with two sets of longerons (200) to two sets of crossbeam (100), and is two sets of liftable supporting mechanism (300) of two parallel arrangement are all installed to the bottom of crossbeam (100), liftable supporting mechanism (300) include supporting leg (301), install bolt fastening piece (304) on supporting leg (301), installation screw (305) have been seted up to the center department of bolt fastening piece (304), installation screw (305) female connection has fine setting bolt (306), threaded connection has first nut (307) and second nut (308) on fine setting bolt (306), first nut (307) and second nut (308) set up respectively in the upper and lower both sides of bolt fastening piece (304).
4. The rapid construction method for realizing the installation foundation of the secondary screen cabinet of the transformer substation according to claim 3, characterized in that: connecting footstock (302) is installed at the top of supporting leg (301), mounting hole (303) have been seted up at the both ends edge portion of connecting footstock (302), the bottom surface of crossbeam (100) seted up with mounting hole (303) size looks adaptation, the corresponding and the same connection screw hole (101) of quantity in position.
5. The rapid construction method for realizing the installation foundation of the secondary screen cabinet of the transformer substation according to claim 4, characterized in that: the supporting legs (301) sequentially penetrate through the mounting holes (303) and the connecting screw holes (101) through fixing bolts (400) and are connected to the bottom of the cross beam (100) in a threaded mode.
6. The rapid construction method for realizing the installation foundation of the secondary screen cabinet of the transformer substation according to claim 3, characterized in that: crossbeam (100), longeron (200) and supporting leg (301) all adopt the angle steel to make, and the thickness of angle steel is 5 mm.
7. The rapid construction method for realizing the installation foundation of the secondary screen cabinet of the transformer substation according to claim 6, is characterized in that: the length of crossbeam (100) is 800mm, the length of longeron (200) is 400mm, the length of supporting leg (301) is 150 mm.
8. The rapid construction method for realizing the installation foundation of the secondary screen cabinet of the transformer substation according to claim 6, is characterized in that: the length of the fine adjustment bolt (306) is 90mm, the thickness of the first nut (307) and the second nut (308) is 15mm, and the thickness of the nut is 15 mm.
9. The rapid construction method for realizing the installation foundation of the secondary screen cabinet of the transformer substation according to claim 6, is characterized in that: the bottom end of the fine adjustment bolt (306) is a smooth screw rod, and the length of the fine adjustment bolt is 10 mm.
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| CN202010434859.9A CN111653955B (en) | 2020-05-21 | 2020-05-21 | Rapid construction method for realizing installation foundation of secondary screen cabinet of transformer substation |
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| CN202010434859.9A CN111653955B (en) | 2020-05-21 | 2020-05-21 | Rapid construction method for realizing installation foundation of secondary screen cabinet of transformer substation |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112081134A (en) * | 2020-09-18 | 2020-12-15 | 广东电网有限责任公司佛山供电局 | Power transformer base rapid conversion device and use method thereof |
| CN112739089A (en) * | 2020-12-08 | 2021-04-30 | 南京迪港科技有限责任公司 | Novel rack base convenient to installation |
| CN112850479A (en) * | 2021-01-04 | 2021-05-28 | 中国十七冶集团有限公司 | Track type installation method for electric box, disc and cabinet |
| CN118572533A (en) * | 2024-07-29 | 2024-08-30 | 国网山东省电力公司滨州市沾化区供电公司 | Assembled power supply unit support basis |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112081134A (en) * | 2020-09-18 | 2020-12-15 | 广东电网有限责任公司佛山供电局 | Power transformer base rapid conversion device and use method thereof |
| CN112739089A (en) * | 2020-12-08 | 2021-04-30 | 南京迪港科技有限责任公司 | Novel rack base convenient to installation |
| CN112850479A (en) * | 2021-01-04 | 2021-05-28 | 中国十七冶集团有限公司 | Track type installation method for electric box, disc and cabinet |
| CN118572533A (en) * | 2024-07-29 | 2024-08-30 | 国网山东省电力公司滨州市沾化区供电公司 | Assembled power supply unit support basis |
| CN118572533B (en) * | 2024-07-29 | 2024-10-18 | 国网山东省电力公司滨州市沾化区供电公司 | Assembled power supply unit support basis |
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