CN203588795U - Oil pit structure for main transformer and high-voltage shunt reactor - Google Patents
Oil pit structure for main transformer and high-voltage shunt reactor Download PDFInfo
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- CN203588795U CN203588795U CN201320821691.2U CN201320821691U CN203588795U CN 203588795 U CN203588795 U CN 203588795U CN 201320821691 U CN201320821691 U CN 201320821691U CN 203588795 U CN203588795 U CN 203588795U
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Abstract
本实用新型提供一种主变及高抗油坑结构，包括：油坑本体和覆盖所述油坑本体且带有通孔的盖板，以及承载所述盖板的角钢、钢管等支架结构。本实用新型中用带有排水和排油孔洞的防风沙盖板代替现有技术中的鹅卵石，由于所述盖板上带有孔洞，能够使变压器油通过并流到油坑本体中，同样也能起到隔离、灭火及降温的作用，即本实用新型提供的油坑本体上的盖板可以完全替代鹅卵石；而且相较于鹅卵石之间的缝隙，由于所述盖板上孔洞的尺寸较大，不容易被沙尘堵塞。因此，本实用新型中提供的主变及高抗油坑结构还具有较强的防风沙能力。
The utility model provides a main transformer and a high resistance to oil pit structure, comprising: an oil pit body, a cover plate covering the oil pit body and having through holes, and bracket structures such as angle steel and steel pipes for carrying the cover plate. In the utility model, the cobblestones in the prior art are replaced by a sand-proof cover plate with drainage and oil discharge holes. Because the cover plate has holes, the transformer oil can pass through and flow into the oil pit body, and also It can play the role of isolation, fire extinguishing and cooling, that is, the cover plate on the oil pit body provided by the utility model can completely replace the pebbles; , not easily blocked by sand and dust. Therefore, the main transformer and the high resistance to oil pit structure provided in the utility model also have a strong ability to prevent wind and sand.
Description
Technical field
The utility model relates to ultra-high voltage transformer station equipment technical field, relates in particular a kind of main transformer and high resistance oil hole structure.
Background technology
Transformer is the electric equipment for changing alternating voltage size, and the oil of transformer the inside is special " transformer oil ", and transformer internal unit is played to reinforced insulation and cooling.The radiating tube (sheet) that the heat that transformer produces takes outside to by oily thermal cycle falls apart to outside.
Conventionally main transformer and high resistance bottom are provided with one and unload oil sump or emptying hole (or oil-stored hole or oil hole), lead to accident oil hole or emergency oil pond.Unload oil sump top and added a steel mesh barrier, cobblestone is layered on steel mesh barrier, for fire extinguishing cooling.
When operating transformer is blasted suddenly when on fire, the oil of ejection, in cobblestone flows into emptying hole, then flows to emergency oil pond, and cobblestone at this moment plays buffer action, reduces the intensity of a fire; High temperature transformer oil, through after cobblestone cooling, also can reduce the intensity of a fire in addition, is beneficial to fire extinguishing.
When transformer breaks down while needing oil extraction to discharge too high pressure, transformer oil will gush out from pressure relief valve, through the gap between cobblestone, flow in emptying hole, and there will not be greasy dirt to pile up, for later maintenance or patrol and examine convenience is provided.
But, along with building extra-high-voltage alternating current transformer station, strong wind sand ground district becomes trend, and in the larger area of dust storm, there is larger security hidden trouble in accident oil extraction.
Utility model content
In view of this, the utility model provides a kind of main transformer and high resistance oil hole structure, and effectively to solve transformer substation construction in prior art when larger regional of dust storm, accident oil extraction exists the problem of serious potential safety hazard.
For achieving the above object, the utility model provides following technical scheme:
A kind of main transformer and high resistance oil hole structure, comprising:
Oil hole body, described oil hole body comprises bottom, oil hole and oil hole sidewall;
Be fixed on multiple angle steel along first direction and multiple angle steel along second direction on the sidewall of described oil hole, and described first direction is vertical with described second direction;
Be vertically fixed on multiple steel pipes of bottom, described oil hole, described multiple steel pipes are matrix arrangement along first direction and second direction;
Be positioned at described along the angle steel of second direction and the I-steel of described multiple steel pipe top;
Be mounted in described I-steel and described multiple the first cover plates along first direction angle steel top, and be mounted in multiple second cover plates of the described I-steel of adjacent two row top, after described multiple the first cover plate and multiple the second cover plate splice, cover described oil hole body, wherein, on described the first cover plate and the second cover plate all with the hole that runs through cover plate.
Preferably, described the first cover plate and described the second cover plate inside comprise the embedded steel tube that runs through cover plate hole described in formation.
Preferably, the described I-steel of every row is positioned at adjacent two row positions, cover plate boundary.
Preferably, bottom, described oil hole is the concrete floor with bar-mat reinforcement, and described base plate thickness is 150mm.
Preferably, the described base plate that is positioned at described steel pipe below is thickening base plate, and the thickness of described thickening base plate is 400mm.
Preferably, described the first cover plate and described the second cover plate are cornerite steel concrete cover plate.
Preferably, in described cornerite steel concrete cover plate, be all prefabricated with reinforcing bar.
Known via above-mentioned technical scheme, the main transformer that the utility model provides and high resistance oil hole structure, comprising: oil hole body and cover described oil hole body and the cover plate with through hole, and carry the supporting structure such as angle steel, steel pipe of described cover plate.In the utility model, use with the sand-proof cover plate of draining and oil extraction hole and replace cobblestone of the prior art, due on described cover plate with hole, can make transformer oil by and flow in the body of oil hole the effect that equally also can play isolation, fire extinguishing and lower the temperature; And compared to the gap between cobblestone, because the size of hole on described cover plate is larger, be not easy to be stopped up by sand and dust.Therefore, the main transformer providing in the utility model and high resistance oil hole structure, in main transformer or high resistance fire incident, not only can be by the hole oil extraction on cover plate or oil extraction aqueous mixtures, reach the effect that reduces accident impact, meanwhile, because the hole on described cover plate is not easy to be stopped up by sand and dust, thereby can reduce potential safety hazard.
In addition, because cover plate covers described oily most of area of cheating body, only leave sub-fraction hole and be used for oil extraction or oil extraction aqueous mixtures, it is inner that described cover plate can prevent that sand and dust from entering oil hole to a certain extent, therefore, the main transformer providing in the utility model and high resistance oil hole structure also play the effect that prevents sand and dust alluvial, and because described cover plate is removable cover, even in During Process of Long-term Operation, described oil has sand and dust alluvial in hole, attendant can also open cover plate oil hole is cleared up, thereby guarantee that oil extraction is unobstructed, can reduce equally potential safety hazard.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only embodiment of the present utility model, for those of ordinary skills, do not paying under the prerequisite of creative work, other accompanying drawing can also be provided according to the accompanying drawing providing.
The main transformer that Fig. 1 provides for the utility model embodiment and high resistance oil hole structure are from the aerial vertical view of direction earthward;
Fig. 2 is the generalized section of node A in Fig. 1;
Fig. 3 is the cross-sectional view of Node B in Fig. 1;
The I-steel that Fig. 4 provides for the utility model embodiment and the vertical view of steel pipe;
Fig. 5 is the partial top view of thickening base plate;
Fig. 6 is the cross-sectional view of node C in Fig. 1;
Fig. 7 is the cross-sectional view of node D in Fig. 1;
The arrangement of reinforcement plane graph of the cover plate that Fig. 8 provides for the utility model embodiment;
Fig. 9 is the profile in the 1-1 cross section of Fig. 8 cover plate.
Embodiment
Just as described in the background section, when main transformer of the prior art and high resistance oil hole is applied in larger regional of dust storm, there is larger security hidden trouble in accident oil extraction.
Inventor finds, occurs that the reason of above-mentioned phenomenon is, because main transformer in prior art and high resistance oil hole is in accident oil extraction process, transformer oil leaks in hole by the cobblestone that is layered on oil hole end face, in this process, cobblestone plays fire insulation cooling effect, prevents insulating oil burning diffusion.
But along with the construction of extra-high-voltage alternating current engineering, in NW China strong wind sand ground district, build extra-high-voltage alternating current transformer station and become trend, in the larger area of dust storm, space between pebble bed is very easily stopped up by sandy soil, thereby affects the discharge of transformer oil, has a strong impact on accident oil extraction, even also may occur that dust storm alluvial buries the phenomenon in oil hole, therefore,, when main transformer of the prior art and high resistance oil hole is applied in larger regional of dust storm, there is larger security hidden trouble.
Based on this, inventor finds through research, and a kind of novel main transformer and high resistance oil hole structure are provided, and comprising:
Oil hole body, described oil hole body comprises bottom, oil hole and oil hole sidewall;
Be fixed on multiple angle steel along first direction and multiple angle steel along second direction on the sidewall of described oil hole, and described first direction is vertical with described second direction;
Be vertically fixed on multiple steel pipes of bottom, described oil hole, described multiple steel pipes are matrix arrangement along first direction and second direction;
Be positioned at described along the angle steel of second direction and the I-steel of described multiple steel pipe top;
Be mounted in described I-steel and described multiple the first cover plates along first direction angle steel top, and be mounted in multiple second cover plates of the described I-steel of adjacent two row top, after described multiple the first cover plate and multiple the second cover plate splice, cover described oil hole body, wherein, on described the first cover plate and the second cover plate all with the hole that runs through cover plate.
From above-mentioned technical scheme, the main transformer that the utility model provides and high resistance oil hole structure, comprise the cover plate of oil hole body and covering oil hole body, on described cover plate, band is useful on the hole of oil extraction, described hole is larger with respect to the gap between prior art cobble, be not easy to be stopped up by sand and dust, thereby guaranteed the unimpeded of accident oil extraction, reduced potential safety hazard.
It is more than the application's core concept, below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is only a part of embodiment of the present utility model, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment obtaining under creative work prerequisite, all belong to the scope of the utility model protection.
A lot of details have been set forth in the following description so that fully understand the utility model, but the utility model can also adopt other to be different from mode described here and implement, those skilled in the art can do similar popularization without prejudice to the utility model intension in the situation that, and therefore the utility model is not subject to the restriction of following public specific embodiment.
Secondly, the utility model is described in detail in conjunction with schematic diagram, when the utility model embodiment is described in detail in detail; for ease of explanation; represent that the profile of structural elements can disobey general ratio and do local amplification, and described schematic diagram is example, it should not limit the scope of the utility model protection at this.In addition in actual fabrication, should comprise, the three-dimensional space of length, width and the degree of depth.
Below by several embodiment, specifically describe main transformer and the high resistance oil hole structure that the utility model provides.
The disclosed a kind of main transformer of the utility model embodiment and high resistance oil hole structure, described oil hole structure comprises oil hole body and is mounted in the cover plate on the body of described oil hole, and is positioned at described oil hole body interior for supporting the supporting construction of cover plate.Described supporting construction comprises the angle steel being fixed on the sidewall of described oil hole, the steel pipe that is positioned at bottom, described oil hole, and is mounted on described angle steel and described steel pipe for directly supporting the I-steel of cover plate.
Concrete, described oil hole structure comprises: oil hole body, and described oil hole body comprises bottom, oil hole and oil hole sidewall; Be fixed on multiple angle steel along first direction and multiple angle steel along second direction on the sidewall of described oil hole, and described first direction is vertical with described second direction; Be vertically fixed on multiple steel pipes of bottom, described oil hole, described multiple steel pipes are matrix arrangement along first direction and second direction; Be positioned at described along the angle steel of second direction and the I-steel of described multiple steel pipe top; Be mounted in described I-steel and described multiple the first cover plates along first direction angle steel top, and be mounted in multiple second cover plates of the described I-steel of adjacent two row top, after described multiple the first cover plate and multiple the second cover plate splice, cover described oil hole body, wherein, on described the first cover plate and the second cover plate all with the hole that runs through cover plate.
It should be noted that, in the present embodiment, the shape in described oil hole is not limited, described oily hole can for of the prior art be positioned at transformer main change and high resistance below unload oil sump or oil-stored hole.In addition, described oil hole has certain degree of depth, forms certain volume, and the volume in described oil hole is that the amount that transformer oil in transformer is installed is calculated, and the size in described oil hole and the overall dimension of transformer etc. have direct correlation.Therefore, the concrete shape in described oil hole can design according to transformer foundation profile, in the present embodiment, shape, the volume in described oil hole is not limited.
The main transformer and the high resistance oil hole structure that for introducing in detail the utility model embodiment, provide, be only described in detail take exterior contour as the oil hole structure shown in Fig. 1 in the present embodiment.Fig. 1 cheats structure from the aerial vertical view of direction earthward for main transformer and high resistance oil that the present embodiment provides, and longitudinal length of described oil hole structure is 15000mm, and it is laterally wide is 10000mm.Wherein, rectangle frame is the cover plate 3 in the structure of oil hole, described cover plate adopts prefabricated reinforced concrete cover plate or finished product composite decking, it is single load bearing plate, and the size of described cover plate and arrangement mode are arranged according to the correlation between area and the transformer foundation of oil hole main body, in the present embodiment, at this, are no longer repeated.It should be noted that, on described cover plate, be also reserved with cable cavern 1, described cable cavern 1 the space that provides cable to pass is provided, described in the present embodiment, cable cavern is of a size of 300mm*400mm, its particular location changes according to different engineerings, does not do requirement in the present embodiment.The thicker black line that is positioned at cover plate periphery in figure represents the exterior contour in oil hole, and also oil is cheated sidewall 2, and intermediate blank place is the position of transformer foundation.
For convenient description below, horizontal direction in Fig. 1 is defined as to first direction X, the direction vertical with horizontal direction, be longitudinally defined as second direction Y, it should be noted that, " first " in the present embodiment, " second " are all that the designate that the object that will describe is got, does not play restriction effect to the object that will describe for convenience of description.Therefore, described horizontal direction also can be defined as second direction, and the present embodiment, to this, repeats no more.
In the present embodiment, described oil hole structure comprises oil hole body and is positioned at the cover plate of body top, described oil hole, because top, oil hole in prior art is cobble-stoned bar-mat reinforcement, and with cover plate, replaced cobblestone of the prior art in the present embodiment, bar-mat reinforcement is not enough to bear the weight of cover plate, therefore, the present embodiment cover plate also changes with the annexation of oil hole body thereupon.
Its annexation is specially the each supporting construction that is positioned at oil hole body and is used for supporting cover plate.Described supporting construction comprises, be fixed on bottom, oil hole and be along first direction with along second direction multiple steel pipes that matrix is arranged, on multiple steel pipes, support the I-steel along first direction of cover plate, on the sidewall of oil hole, be also provided with multiple and described I-steel parallel, and jointly support the angle steel along first direction of cover plate with described I-steel, on the sidewall of oil hole, be also provided with the angle steel along second direction that the multiple and described angle steel along first direction is vertical, the described angle steel along second direction is positioned at the below of described I-steel, for jointly supporting described I-steel with described steel pipe.Be that cover plate in the present embodiment is fixed on jointly supporting along the angle steel of first direction, the angle steel along second direction, the steel pipe that is fixed on bottom, described oil hole and the I-steel being positioned on described steel pipe on the sidewall of oil hole, cover described oil hole body.
For making the annexation between each supporting construction clearer and more definite, in the present embodiment, adopt accompanying drawing to be described in detail the connected node A, Node B, node C, the node D that embody annexation between each supporting construction in Fig. 1.
As shown in Figure 2, be the generalized section of node A in Fig. 1, comprise oil hole sidewall 2, be positioned at oily pre-embedded steel slab 4 of cheating sidewall 2 inside, the angle steel 5 along first direction being fixedly connected with pre-embedded steel slab 4, is positioned at along the cover plate 3 of angle steel 5 tops of first direction.
It should be noted that, pre-embedded steel slab 4 described in the present embodiment is the steel plate of 150mm*150mm, and the effect of described pre-embedded steel slab 4 is to be only connected for providing high-intensity between oil hole sidewall and angle steel along first direction, in practical operation, for saving cost, described pre-embedded steel slab needn't be cheated elongated setting on sidewall at oil, and therefore, in the present embodiment, on the sidewall of oil hole, spacing 500mm just arranges a pre-embedded steel slab.Described spacing is an example in this enforcement, not from the limited effect to scheme of the present utility model.The described angle steel 5 along first direction is elongated angle steel, and its model is 100*10, between one side of the described angle steel 5 along first direction and pre-embedded steel slab 4, is fixed together by welding, and another side arranges in horizontal direction, for supporting the cover plate 3 of putting thereon.
As shown in Figure 3, be the cross-sectional view of Node B in Fig. 1, in figure, direction is the direction of Zhong Cong ground, actual place to bottom, oil hole from top to down.Shown in Fig. 3, comprise successively from top to down cover plate 3, I-steel 6, steel pipe 7, bottom, oil hole.
It should be noted that, described steel pipe 7 is for supporting I-steel 6 as pillar, and then support cover plate 3, long for fear of I-steel 6 length, there is larger distortion, affect the lift-launch of cover plate, in actual installation process, described steel pipe is arranged to one at a certain distance, thereby support the middle part of elongated I-steel, reduce the excessive deformation of I-steel; Or described I-steel is segmentation form, between every two steel pipes, an I-steel is set, reduce the length of I-steel, can reduce equally the excessive deformation of I-steel.In the present embodiment, be preferably, the length that reduces I-steel reduces the excessive deformation of I-steel.As shown in Figure 4, for I-steel 6 and the vertical view of steel pipe 7, two adjacent I-steel 6 are fixed to by bolt 10 on the steel plate 11 on steel pipe 7 tops, and steel pipe top connects two I-steel, thereby the steel pipe that is positioned at row or a line connects I-steel in a row by many I-steel.It should be noted that, in the present embodiment, so that the described I-steel of a row that forms is with the described angle steel along first direction parallel, describe as example, in other embodiment of the present utility model, row's I-steel can also be parallel with the described angle steel along second direction, in the present embodiment, this repeated no more.
In addition, bottom, described oil hole is the base plate 8 of prefabricated reinforced concrete, it should be noted that, in the place that there is no steel pipe, the base plate of bottom, described oil hole can be identical with the thickness of base plate in prior art, as be that 150mm is thick, and the oil that is positioned at steel pipe 7 lower zones is cheated base plate 8, because the weight of cover plate 3 is larger, in order to prevent after steel pipe support cover plate 3, bottom, oil hole is produced to punching failure, preferred in the present embodiment, the oil hole base plate of described steel pipe below does not have the base plate in region of steel pipe thick with respect to other, for thickening base plate, if its thickness is 400mm, simultaneously for increasing the bearing capacity of bottom, oil hole, in thickening base plate, increase one deck baseplate reinforcing bar net 9.As shown in Figure 5, for the semi-section vertical view of thickening base plate, comprising two-layer baseplate reinforcing bar net, the baseplate reinforcing bar net 9 that is positioned at bottom is the baseplate reinforcing bar net newly increasing.
It should be noted that, between steel pipe and bottom, oil hole, also by oil, cheat bottom pre-embedded steel slab and realize.Pre-embedded steel slab in the concreting process of bottom, oil hole, when steel pipe is installed, to described pre-embedded steel slab, cheats bottom thereby steel pipe is fixed to oil by steel-pipe welding.
At every two adjacent steel pipe supports, rise after I-steel, the surface that described I-steel deviates from bottom, described oil hole and the described angle steel along first direction deviate from the flush of bottom, described oil hole, and both top marks are unanimously high.Again cover plate is placed on to described I-steel and the described angle steel along first direction top, can completes the installation of cover plate.
It should be noted that, the parallel I-steel of angle steel described and along first direction can arrange many rows, thereby two rows or three rows I-steel supports row's cover plate simultaneously, and the described I-steel of a row is all positioned at the below of row's cover plate completely; Described I-steel only half is positioned at the below of row's cover plate, with other row's I-steel or along the angle steel of first direction, support row's cover plate, and second half supports another row's cover plate.As shown in Figure 6, be the cross-sectional view of node C in Fig. 1.In Fig. 1, the dotted line in node C position represents I-steel, and in Fig. 6, two row's cover plates 3 are mounted on row's I-steel 6 simultaneously, to reduce the use amount of I-steel, can reduce the use amount of steel pipe simultaneously.
Above, be that the I-steel that is positioned at oil hole body interior is all mounted in steel pipe top, for guaranteeing its stability, between the other end of described I-steel 6 and described oil hole sidewall 2, be also fixedly connected with, its connected mode as shown in Figure 7.Fig. 7 is the cross-sectional view of node D in Fig. 1, comprise and the angle steel 12 along second direction that the inner pre-embedded steel slab 4 of described oil hole sidewall 2 is connected, and with the described I-steel 6 being bolted along the angle steel 12 of second direction.The described angle steel 12 along second direction is for supporting described I-steel 6, it should be noted that, because the top mark of described I-steel is high identical with the top mark height of the described angle steel along first direction, therefore, when the angle steel arranging along second direction, the top mark height of the described angle steel along second direction is high lower than the top mark of the described angle steel along first direction, and both differences are identical with the thickness of described I-steel, thereby guarantees that cover plate can be placed on I-steel and reposefully along on the angle steel of first direction.
Finally it should be noted that, cover plate described in the present embodiment comprises multiple the second cover plates that are mounted in described I-steel and described multiple the first cover plates along first direction angle steel top and are only mounted in the described I-steel of adjacent two row top, and preferred, described the first cover plate and described the second cover plate are is with pertusate prefabricated reinforced concrete cover plate, in order to make described cover plate there is identical cooling with cobblestone of the prior art, isolation, fire extinguishing function, reserved oil extraction on described cover plate, the hole of draining, as shown in Figure 8, for the semi-section of cover plate described in the present embodiment vertical view, comprise the cornerite steel 13 on four limits, be positioned at reinforcing bar 14 and multiple through hole 15 that runs through described cover plate of inside concrete, the diameter of described through hole is preferably 35mm in the present embodiment, described through hole forms by embedded steel tube when concreting, wherein, the reinforcing bar of described concrete slab inside is determined by Force Calculation according to the span of cover plate, in the present embodiment, this is not construed as limiting.As shown in Figure 9, be the cross-sectional view in Fig. 8 cover plate 1-1 cross section.
The oil providing in the present embodiment is cheated structure, is applied in the transformer station of dust storm larger area, comprises oil hole body and is positioned at described oil cheating the cover plate with through hole of body top, and be positioned at oil hole body for supporting the supporting construction of described cover plate.Because the through hole on described cover plate can be realized oil extraction or oil extraction aqueous mixtures, described cover plate can carry out oil extraction in accident, and play the effect of isolation, cooling, be that described cover plate has the effect identical with the effect of prior art cobble, therefore the cover plate in the present embodiment can substitute cobblestone of the prior art.Because the clear size of opening on described cover plate is larger, be difficult for being stopped up by sand and dust again, affect oil extraction, thereby reduced the potential safety hazard existing.
In addition, when dust storm is larger, in cobblestone gap, there is larger sand and dust accumulation, may cause the stacked sand and dust alluvial in oil hole, the oil extraction that causes the accident is not smooth, and during the alluvial of attendant in cleaning oil hole, the sand and dust between cobblestone can be fallen into oil hole again, cause sand and dust alluvial, the cleaning in oil hole is brought inconvenience.And most of area of cover plate described in the present embodiment all covers described oil hole body, even when sand and dust are larger, sand and dust can be fallen described lid surface, when after the dust storm past, when attendant clears up oil hole, can, directly by the sand and dust cleaning on cover plate, and can not cheat oil, cause secondary alluvial, and described cover plate is removable cover, can to inside, oil hole, safeguard cleaning very easily.
To the above-mentioned explanation of the disclosed embodiments, make professional and technical personnel in the field can realize or use the utility model.To the multiple modification of these embodiment, will be apparent for those skilled in the art, General Principle as defined herein can, in the situation that not departing from spirit or scope of the present utility model, realize in other embodiments.Therefore, the utility model will can not be restricted to these embodiment shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (7)
1. main transformer and a high resistance oil hole structure, is characterized in that, comprising:
Oil hole body, described oil hole body comprises bottom, oil hole and oil hole sidewall;
Be fixed on multiple angle steel along first direction and multiple angle steel along second direction on the sidewall of described oil hole, and described first direction is vertical with described second direction;
Be vertically fixed on multiple steel pipes of bottom, described oil hole, described multiple steel pipes are matrix arrangement along first direction and second direction;
Be positioned at described along the angle steel of second direction and the I-steel of described multiple steel pipe top;
Be mounted in described I-steel and described multiple the first cover plates along first direction angle steel top, and be mounted in multiple second cover plates of the described I-steel of adjacent two row top, after described multiple the first cover plate and multiple the second cover plate splice, cover described oil hole body, wherein, on described the first cover plate and the second cover plate all with the hole that runs through cover plate.
2. main transformer according to claim 1 and high resistance oil hole structure, is characterized in that, described the first cover plate and described the second cover plate inside comprise the embedded steel tube that runs through cover plate hole described in formation.
3. main transformer according to claim 1 and high resistance oil hole structure, is characterized in that, the described I-steel of every row is positioned at adjacent two row positions, cover plate boundary.
4. main transformer according to claim 1 and high resistance oil hole structure, is characterized in that, bottom, described oil hole is the concrete floor with bar-mat reinforcement, and described base plate thickness is 150mm.
5. main transformer according to claim 4 and high resistance oil hole structure, is characterized in that, the described base plate that is positioned at described steel pipe below is thickening base plate, and the thickness of described thickening base plate is 400mm.
6. main transformer according to claim 1 and high resistance oil hole structure, is characterized in that, described the first cover plate and described the second cover plate are cornerite steel concrete cover plate.
7. main transformer according to claim 6 and high resistance oil hole structure, is characterized in that, in described cornerite steel concrete cover plate, is all prefabricated with reinforcing bar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320821691.2U CN203588795U (en) | 2013-11-29 | 2013-11-29 | Oil pit structure for main transformer and high-voltage shunt reactor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320821691.2U CN203588795U (en) | 2013-11-29 | 2013-11-29 | Oil pit structure for main transformer and high-voltage shunt reactor |
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| Publication Number | Publication Date |
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| CN203588795U true CN203588795U (en) | 2014-05-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201320821691.2U Expired - Lifetime CN203588795U (en) | 2013-11-29 | 2013-11-29 | Oil pit structure for main transformer and high-voltage shunt reactor |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111721889A (en) * | 2020-07-07 | 2020-09-29 | 国网安徽省电力有限公司电力科学研究院 | Test platform and test method for fire isolation test of converter transformer oil pit |
| CN111751488A (en) * | 2020-07-27 | 2020-10-09 | 国网安徽省电力有限公司电力科学研究院 | Test device and test method for fire resistance performance of cable trench cover sealing measures |
-
2013
- 2013-11-29 CN CN201320821691.2U patent/CN203588795U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111721889A (en) * | 2020-07-07 | 2020-09-29 | 国网安徽省电力有限公司电力科学研究院 | Test platform and test method for fire isolation test of converter transformer oil pit |
| CN111721889B (en) * | 2020-07-07 | 2025-02-07 | 国网安徽省电力有限公司电力科学研究院 | Converter transformer oil pit fire test platform and test method |
| CN111751488A (en) * | 2020-07-27 | 2020-10-09 | 国网安徽省电力有限公司电力科学研究院 | Test device and test method for fire resistance performance of cable trench cover sealing measures |
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Address after: 100031 Xicheng District West Chang'an Avenue, No. 86, Beijing Patentee after: State Grid Corporation of China Patentee after: CHINA POWER ENGINEERING CONSULTING (Group) Corp. Patentee after: ELECTRIC POWER PLANNING & ENGINEERING INSTITUTE Patentee after: NORTHWEST ELECTRIC POWER DESIGN INSTITUTE CO., LTD. OF CHINA POWER ENGINEERING CONSULTING Group Patentee after: NORTHEAST ELECTRIC POWER DESIGN INSTITUTE CO., LTD. OF CHINA POWER ENGINEERING CONSULTING Group Patentee after: EAST CHINA ELECTRIC POWER DESIGN INSTITUTE CO., LTD. OF CHINA POWER ENGINEERING CONSULTING Group Patentee after: CENTRAL SOUTHERN CHINA ELECTRIC POWER DESIGN INSTITUTE OF CHINA POWER ENGINEERING CONSULTING Group Corp. Patentee after: Southwest Electric Power Design Institute CO., Ltd. of China Power Engineering Consulting Group Patentee after: NORTH CHINA POWER ENGINEERING CO., LTD. OF CHINA POWER ENGINEERING CONSULTING Group Address before: 100031 Xicheng District West Chang'an Avenue, No. 86, Beijing Patentee before: State Grid Corporation of China Patentee before: CHINA POWER ENGINEERING CONSULTING Group Corp. Patentee before: ELECTRIC POWER PLANNING & ENGINEERING INSTITUTE Patentee before: NORTHWEST ELECTRIC POWER DESIGN INST. OF CHINA POWER ENGINEERING CONSULTING Group Patentee before: NORTHEAST ELECTRIC POWER DESIGN INSTITUTE OF CHINA POWER ENGINEERING CONSULTING Group Patentee before: CHINA POWER ENGINEERING CONSULTING Group CORPORATION EAST CHINA ELECTRIC POWER DESIGN INSTITUTE Patentee before: CENTRAL SOUTHERN CHINA ELECTRIC POWER DESIGN INSTITUTE, CHINA POWER ENGINEERING CONSULTING Group Corp. Patentee before: SOUTHWEST ELECTRIC POWER DESIGN INSTITUTE OF CHINA POWER ENGINEERING CONSULTING Group Corp. Patentee before: NORTH CHINA POWER ENGINEERING CO., LTD. OF CHINA POWER ENGINEERING CONSULTING Group |
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