Oil tank protection device for American box transformer substation

By designing bolted flange cover protective plates and corrugated sheet protective covers on American-style transformer substation tanks, the problems of high production costs and insufficient protection were solved, achieving efficient and low-cost protection.

CN223828299UActive Publication Date: 2026-01-23HAINAN WEITE ELECTRIC GRP CO LTD +1
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Patent Information

Application Number
CN202520190893.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-07
Publication Date
2026-01-23
Estimated Expiration
2035-02-07

AI Technical Summary

Technical Problem

Existing American-style transformer substation tank protection devices suffer from high production costs, low efficiency, and insufficient protection during the manufacturing process, especially in terms of poor protection and heat dissipation at the flange cover and corrugated sheet.

Method used

An American-style transformer substation tank protection device was designed, including a transformer tank, an American-style transformer substation outer casing, a tank flange cover protection plate, a front protective cover, and a side protective cover. The tank flange cover protection plate is fixed to the American-style transformer substation outer casing by bolt connection. Combined with the welded structure of the corrugated sheet front protective cover and the side protective cover, a highly efficient protection and heat dissipation effect is formed.

Benefits of technology

This reduces sheet metal processing time, lowers production costs, improves installation efficiency, and provides high-efficiency protection against theft of flange covers and damage to corrugated sheets.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an American box transformer oil tank protection device, which is characterized in that an oil tank flange cover protection plate is arranged at the top of a transformer oil tank, a front protection cover is arranged on the front surface of the transformer oil tank, and a side protection cover is arranged on the side surface of the transformer oil tank; the top of the American box-type transformer substation outer box is higher than the top of the transformer oil tank, one end, facing the American box-type transformer substation outer box, of the oil tank flange cover protection plate serves as a connecting attaching face to be bent towards the part, higher than the transformer oil tank, of the American box-type transformer substation outer box, and the connecting attaching face is attached to the surface of the transformer oil tank. Bolts from the connecting veneer to the outer box of the American box-type transformer substation are connected with bolts of the outer box of the American box-type transformer substation, the bolts are arranged from outside to inside for the outer box of the American box-type transformer substation, so that the bolts on the flange cover of the oil tank of the transformer cannot be directly disassembled, the protection and anti-theft effects are achieved, and in the production process, the plate processing time is short, the installation is easy, and the production cost is low; the efficiency and the protection performance are high.
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Description

TECHNICAL FIELD

[0001] The utility model relates to oil tank protection technical field, especially a kind of American tank transformer oil tank protection device. BACKGROUND

[0002] American tank transformer oil tank generates heat in operation, therefore American tank transformer oil tank is equipped with corrugated sheet on both sides, the heat generated by transformer can be better dissipated, on the other hand, American tank is generally installed in community or road, in order to better avoid pedestrian contact to corrugated sheet and be scalded, be collided by heavy object and cause corrugated oil leakage, oil tank flange cover is easy to be dismantled, stolen, need be equipped with protection at American tank transformer oil tank flange cover, corrugated sheet place.And the existing protection cover method only makes protection at oil tank corrugated place, a large number of holes are punched on large metal plate, and the metal plate is bent into shape after numerical control processing, the processing time is long and the material cost is large.

[0003] Therefore, how to solve the flange cover, corrugated sheet protection and heat dissipation of American tank transformer oil tank, and reduce production cost and improve production efficiency, is a technical problem to be solved by the technical personnel in the field. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a kind of American tank transformer oil tank protection device, in production process, plate processing time is short, easy to install, production cost is low, efficiency is high, and protection is high.

[0005] To solve the above technical problems, the utility model embodiment provides a kind of American tank transformer oil tank protection device, including transformer oil tank, the American tank outer box of being set in the rear side of the transformer oil tank, the oil tank flange cover protection plate of being set in the top of the transformer oil tank and the front protection cover of being set in the front of the transformer oil tank and the side protection cover of being set in the side of the transformer oil tank, the oil tank flange cover protection plate is bent towards the transformer oil tank at one end of the front protection cover and the side protection cover, the top of the American tank outer box is higher than the top of the transformer oil tank, the oil tank flange cover protection plate is curved as connecting veneer towards the part of the American tank outer box higher than the transformer oil tank at one end, the connecting veneer is attached to the surface of the transformer oil tank, and is bolted with the American tank outer box by bolt from the connecting veneer to the American tank outer box.

[0006] Wherein, it further includes a plurality of square connecting ports set in the connecting veneer, the bolt is half-round head square neck bolt, U-shaped bolt or key head bolt, and the bolt connects the connecting veneer with the American tank outer box through the square connecting port.

[0007] The front protection cover is a corrugated sheet front protection cover, the side protection cover is a corrugated sheet side protection cover, the corrugated sheet front protection cover is a corrugated sheet front protection cover formed by welding vertical ribs and horizontal ribs of the front corrugated sheet cover, and the corrugated sheet side protection cover is a corrugated sheet side protection cover formed by welding vertical ribs and horizontal ribs of the side corrugated sheet cover.

[0008] The vertical ribs of the front corrugated sheet cover and the vertical ribs of the side corrugated sheet cover are C-shaped vertical ribs of the corrugated sheet cover.

[0009] The horizontal ribs of the front corrugated sheet cover and the horizontal ribs of the side corrugated sheet cover are U-shaped horizontal ribs of the corrugated sheet cover, and the horizontal ribs of the front corrugated sheet cover and the horizontal ribs of the side corrugated sheet cover are welded to the transformer oil tank.

[0010] The vertical ribs of the front corrugated sheet cover are perpendicular to the horizontal ribs of the front corrugated sheet cover, and the vertical ribs of the side corrugated sheet cover are perpendicular to the horizontal ribs of the side corrugated sheet cover.

[0011] The horizontal ribs of the side corrugated sheet cover are provided with side mounting holes, a plurality of vertical ribs of the side corrugated sheet cover are arranged at equal intervals and connected to the horizontal ribs of the side corrugated sheet cover through the side mounting holes to form a side fence structure, and the horizontal ribs of the front corrugated sheet cover are provided with front mounting holes, a plurality of vertical ribs of the front corrugated sheet cover are arranged at equal intervals and connected to the horizontal ribs of the side corrugated sheet cover through the front mounting holes to form a front fence structure.

[0012] The width of the horizontal ribs of the side corrugated sheet cover is equal to the width of the horizontal ribs of the front corrugated sheet cover, and the width of the horizontal ribs of the front corrugated sheet cover is equal to the width of the horizontal ribs of the side corrugated sheet cover.

[0013] The distance between adjacent vertical ribs of the side corrugated sheet cover is equal to the distance between adjacent vertical ribs of the front corrugated sheet cover.

[0014] The height of the top and the bottom of the front protection cover and the side protection cover is the same, the distance between the bottom of the U-shaped horizontal ribs of the front corrugated sheet cover and the front of the transformer oil tank is equal to the distance between the bottom of the U-shaped horizontal ribs of the side corrugated sheet cover and the side of the transformer oil tank.

[0015] Compared with the prior art, the American box transformer oil tank protection device provided in the embodiment of the utility model has the following advantages:

[0016] The oil tank flange cover protection plate of the American tank transformer is bent towards the transformer oil tank at one end facing the front protection cover and the side protection cover, the top of the outer tank of the American tank transformer is higher than the top of the transformer oil tank, one end of the oil tank flange cover protection plate facing the outer tank of the American tank transformer is bent as a connecting surface facing the part of the outer tank of the American tank transformer which is higher than the transformer oil tank, the connecting surface is attached to the surface of the transformer oil tank, and the outer tank of the American tank transformer is bolted to the outer tank of the American tank transformer through the bolts from the connecting surface to the outer tank of the American tank transformer, since the bolts are arranged from the outside to the inside of the outer tank of the American tank transformer, the bolts on the transformer oil tank flange cannot be directly removed outside, the protection and anti-theft effects are achieved, the plate processing time is short in the production process, the plate is easy to install, the production cost is low, the efficiency is high, and the protection is high. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to more clearly illustrate the technical scheme in the embodiments of the present application or the prior art, the drawings needed to be used in the following embodiment or prior art description will be briefly introduced. Obviously, the drawings in the following description are some embodiments of the present application, and those skilled in the art can also obtain other drawings according to these drawings without creative labor.

[0018] Figure 1 The American tank transformer is provided with an embodiment of the American tank transformer oil tank protection device provided by the present application;

[0019] Figure 2 The American tank transformer is provided with an embodiment of the American tank transformer oil tank protection device provided by the present application;

[0020] Figure 3 The American tank transformer is provided with an embodiment of the American tank transformer oil tank protection device provided by the present application;

[0021] Figure 4 The American tank transformer is provided with an embodiment of the American tank transformer oil tank protection device provided by the present application;

[0022] Figure 5 The American tank transformer is provided with an embodiment of the American tank transformer oil tank protection device provided by the present application;

[0023] Figure 6 The American tank transformer is provided with an embodiment of the American tank transformer oil tank protection device provided by the present application;

[0024] Figure 7The utility model provides a front corrugated sheet protective cover horizontal rib three -dimensional structure schematic drawing of an embodiment of the oil tank protection device of the American box transformer of the utility model;

[0025] Figure 8 The utility model provides a side corrugated sheet protective cover horizontal rib three -dimensional structure schematic drawing of an embodiment of the oil tank protection device of the American box transformer of the utility model;

[0026] Wherein, 1 - American box transformer outer box, 2 - transformer oil tank, 3 - oil tank flange cover protection plate, 4 - front corrugated sheet protective cover, 5 - side corrugated sheet protective cover, 6 - corrugated sheet cover vertical rib, 7 - front corrugated sheet cover horizontal rib, 8 - side corrugated sheet cover horizontal rib. DETAILED DESCRIPTION

[0027] The technical scheme in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model and not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative work fall within the scope of the utility model.

[0028] Please refer to Figures 1-8 , Figure 1 The utility model provides the three -dimensional structure schematic drawing of an embodiment of the American box transformer of the oil tank protection device of the utility model; Figure 2 The utility model provides the three -dimensional structure schematic drawing of an embodiment of the oil tank protection device of the American box transformer of the utility model; Figure 3 The utility model provides the three -dimensional structure schematic drawing of the oil tank flange cover protection plate of an embodiment of the oil tank protection device of the American box transformer of the utility model; Figure 4 The utility model provides the three -dimensional structure schematic drawing of the front corrugated sheet protective cover of an embodiment of the oil tank protection device of the American box transformer of the utility model; Figure 5 The utility model provides the three -dimensional structure schematic drawing of the side corrugated sheet protective cover of an embodiment of the oil tank protection device of the American box transformer of the utility model; Figure 6 The utility model provides the three -dimensional structure schematic drawing of the corrugated sheet cover vertical rib of an embodiment of the oil tank protection device of the American box transformer of the utility model; Figure 7 The utility model provides the three -dimensional structure schematic drawing of the front corrugated sheet cover horizontal rib of an embodiment of the oil tank protection device of the American box transformer of the utility model; Figure 8 The utility model provides the three -dimensional structure schematic drawing of the side corrugated sheet cover horizontal rib of an embodiment of the oil tank protection device of the American box transformer of the utility model.

[0029] In a specific embodiment, the American tank transformer oil tank protection device comprises a transformer oil tank, an American tank transformer outer tank 1 arranged at the rear side of the transformer oil tank 2, an oil tank flange cover protection plate 3 arranged at the top of the transformer oil tank 2, and a front protection cover arranged at the front of the transformer oil tank 2 and a side protection cover arranged at the side of the transformer oil tank 2, one end of the oil tank flange cover protection plate 3 facing the front protection cover and the side protection cover is bent towards the transformer oil tank 2, the top of the American tank transformer outer tank 1 is higher than the top of the transformer oil tank 2, one end of the oil tank flange cover protection plate 3 facing the American tank transformer outer tank 1 is curved as a connecting surface to the part of the American tank transformer outer tank 1 which is higher than the transformer oil tank 2, the connecting surface is attached to the surface of the transformer oil tank 2, and the American tank transformer outer tank 1 is bolted through the bolts from the connecting surface to the American tank transformer outer tank 1.

[0030] In a specific embodiment, the American tank transformer oil tank protection device comprises a transformer oil tank, an American tank transformer outer tank 1 arranged at the rear side of the transformer oil tank 2, an oil tank flange cover protection plate 3 arranged at the top of the transformer oil tank 2, and a front protection cover arranged at the front of the transformer oil tank 2 and a side protection cover arranged at the side of the transformer oil tank 2, one end of the oil tank flange cover protection plate 3 facing the front protection cover and the side protection cover is bent towards the transformer oil tank 2, the top of the American tank transformer outer tank 1 is higher than the top of the transformer oil tank 2, one end of the oil tank flange cover protection plate 3 facing the American tank transformer outer tank 1 is curved as a connecting surface to the part of the American tank transformer outer tank 1 which is higher than the transformer oil tank 2, the connecting surface is attached to the surface of the transformer oil tank 2, and the American tank transformer outer tank 1 is bolted through the bolts from the connecting surface to the American tank transformer outer tank 1.

[0031] In a specific embodiment, the American tank transformer oil tank protection device comprises a transformer oil tank, an American tank transformer outer tank 1 arranged at the rear side of the transformer oil tank 2, an oil tank flange cover protection plate 3 arranged at the top of the transformer oil tank 2, and a front protection cover arranged at the front of the transformer oil tank 2 and a side protection cover arranged at the side of the transformer oil tank 2, one end of the oil tank flange cover protection plate 3 facing the front protection cover and the side protection cover is bent towards the transformer oil tank 2, the top of the American tank transformer outer tank 1 is higher than the top of the transformer oil tank 2, one end of the oil tank flange cover protection plate 3 facing the American tank transformer outer tank 1 is curved as a connecting surface to the part of the American tank transformer outer tank 1 which is higher than the transformer oil tank 2, the connecting surface is attached to the surface of the transformer oil tank 2, and the American tank transformer outer tank 1 is bolted through the bolts from the connecting surface to the American tank transformer outer tank 1.

[0032] In a specific embodiment, the American tank transformer oil tank protection device comprises a transformer oil tank, an American tank transformer outer tank 1 arranged at the rear side of the transformer oil tank 2, an oil tank flange cover protection plate 3 arranged at the top of the transformer oil tank 2, and a front protection cover arranged at the front of the transformer oil tank 2 and a side protection cover arranged at the side of the transformer oil tank 2, one end of the oil tank flange cover protection plate 3 facing the front protection cover and the side protection cover is bent towards the transformer oil tank 2, the top of the American tank transformer outer tank 1 is higher than the top of the transformer oil tank 2, one end of the oil tank flange cover protection plate 3 facing the American tank transformer outer tank 1 is curved as a connecting surface to the part of the American tank transformer outer tank 1 which is higher than the transformer oil tank 2, the connecting surface is attached to the surface of the transformer oil tank 2, and the American tank transformer outer tank 1 is bolted through the bolts from the connecting surface to the American tank transformer outer tank 1.

[0033] In a specific embodiment, the American tank transformer oil tank protection device comprises a transformer oil tank, an American tank transformer outer tank 1 arranged at the rear side of the transformer oil tank 2, an oil tank flange cover protection plate 3 arranged at the top of the transformer oil tank 2, and a front protection cover arranged at the front of the transformer oil tank 2 and a side protection cover arranged at the side of the transformer oil tank 2, one end of the oil tank flange cover protection plate 3 facing the front protection cover and the side protection cover is bent towards the transformer oil tank 2, the top of the American tank transformer outer tank 1 is higher than the top of the transformer oil tank 2, one end of the oil tank flange cover protection plate 3 facing the American tank transformer outer tank 1 is curved as a connecting surface to the part of the American tank transformer outer tank 1 which is higher than the transformer oil tank 2, the connecting surface is attached to the surface of the transformer oil tank 2, and the American tank transformer outer tank 1 is bolted through the bolts from the connecting surface to the American tank transformer outer tank 1.

[0034] The type, combination and size of the front protective cover and the side protective cover are not limited in the application. In an embodiment, the front protective cover is a corrugated sheet front protective cover, the side protective cover is a corrugated sheet side protective cover, the corrugated sheet front protective cover is a corrugated sheet front protective cover formed by welding front corrugated sheet cover vertical ribs and front corrugated sheet cover horizontal ribs, and the corrugated sheet side protective cover is a corrugated sheet side protective cover formed by welding side corrugated sheet cover vertical ribs and side corrugated sheet cover horizontal ribs.

[0035] The corrugated sheet front protective cover and the corrugated sheet side protective cover can make the surface curved and improve the protection capability. The corrugated sheet front protective cover is formed by welding front corrugated sheet cover vertical ribs and front corrugated sheet cover horizontal ribs, and the corrugated sheet side protective cover is formed by welding side corrugated sheet cover vertical ribs and side corrugated sheet cover horizontal ribs. Without using a front structure, the cost is reduced, the convenience and efficiency of connection are improved, and the processing efficiency is also improved.

[0036] The shape of the front corrugated sheet cover vertical ribs and the side corrugated sheet cover vertical ribs is not limited in the application. In order to improve the protection capability, not only the front protection but also the top side and bottom side protection are included. In an embodiment, the front corrugated sheet cover vertical ribs and the side corrugated sheet cover vertical ribs are C-shaped corrugated sheet cover vertical ribs.

[0037] The C-shaped corrugated sheet cover vertical ribs are used to achieve more efficient and high-quality protection, and the structure strength of the protection is further provided due to the increased support.

[0038] The C-shaped corrugated sheet cover vertical rib seat is used as the front corrugated sheet cover vertical ribs and the side corrugated sheet cover vertical ribs in the application, but is not limited to the above.

[0039] The circumferential connection and fixation are performed by the horizontal ribs in the application, and the structure is not limited. In an embodiment, the front corrugated sheet cover horizontal ribs and the side corrugated sheet cover horizontal ribs are U-shaped corrugated sheet cover horizontal ribs, and the front corrugated sheet cover horizontal ribs and the side corrugated sheet cover horizontal ribs are welded to the transformer oil tank.

[0040] The U-shaped corrugated sheet cover horizontal ribs are welded to the transformer oil tank, which increases the contact space between the U-shaped corrugated sheet cover horizontal ribs and the oil tank, and can increase the heat dissipation area while having the protection effect.

[0041] The U-shaped corrugated sheet cover horizontal ribs are used in the application, but are not limited to the above. The number of the U-shaped corrugated sheet cover horizontal ribs is not limited. Two can be arranged at the top and the bottom, or more can be arranged at the middle according to a certain interval.

[0042] The angle between the vertical ribs and the horizontal ribs is not limited in the present application. In one embodiment, the vertical ribs of the front corrugated cover are perpendicular to the horizontal ribs 7 of the front corrugated cover, and the vertical ribs of the side corrugated cover are perpendicular to the horizontal ribs 8 of the side corrugated cover.

[0043] By adopting the perpendicular installation mode of the vertical ribs and the horizontal ribs, the installation convenience can be improved.

[0044] In order to further improve the installation convenience, in one embodiment, the horizontal ribs 8 of the side corrugated cover are provided with side mounting holes, a plurality of vertical ribs of the side corrugated cover are arranged at equal intervals and connected with the horizontal ribs 8 of the side corrugated cover through the side mounting holes to form a side fence structure, and the horizontal ribs 7 of the front corrugated cover are provided with front mounting holes, a plurality of vertical ribs of the front corrugated cover are arranged at equal intervals and connected with the horizontal ribs 8 of the side corrugated cover through the front mounting holes to form a front fence structure.

[0045] By arranging the mounting holes, the connection can be achieved through rivets, bolts and the like, and the installation efficiency can be improved. By forming the side fence structure and the front fence structure, the protection and heat dissipation effects can be achieved.

[0046] The size of the fence structure is not limited in the present application. Preferably, the width of the horizontal ribs 8 of the side corrugated cover is equal to the width of the horizontal ribs 7 of the front corrugated cover, and the width of the horizontal ribs 7 of the front corrugated cover is equal to the width of the horizontal ribs 8 of the side corrugated cover.

[0047] Preferably, the interval between adjacent vertical ribs of the side corrugated cover is equal to the interval between adjacent vertical ribs of the front corrugated cover.

[0048] Preferably, the height of the top and bottom of the front protection cover and the side protection cover is the same, the interval between the bottom of the U-shaped horizontal ribs 7 of the front corrugated cover and the front of the transformer oil tank is equal to the interval between the bottom of the U-shaped horizontal ribs 8 of the side corrugated cover and the side of the transformer oil tank.

[0049] The interval between the front protection part and the side protection part and the surface of the oil tank is not limited in the present application, and the interval between the horizontal ribs and the interval between the vertical ribs are not limited.

[0050] In one embodiment, the American tank oil tank protection device, oil tank flange cover protection plate 3, according to the size of the oil tank flange cover, the oil tank flange cover protection plate 3 is folded inward 2 sides on three sides, the other side is folded in the opposite direction, the opposite direction has a certain number of square openings, the front protection cover 4 is assembled by the vertical rib 6 and the front corrugated cover horizontal rib 7. The corrugated sheet side protection cover 5 is assembled by the vertical rib 6 and the side corrugated cover horizontal rib 8, the vertical rib 6 of the corrugated cover is "C" shaped by numerical control punching and bending according to certain design size, which increases the strength, and the vertical rib 6 of the corrugated cover is mainly thin plate, which has small size and can use the leftover material for processing metal parts to reduce production cost.

[0051] The front corrugated cover horizontal rib 7 and the side corrugated cover horizontal rib 8 are designed according to the size of the oil tank corrugation and have a reserved hole, which is "U" shaped by numerical control punching and bending, and the front corrugated cover horizontal rib 7 and the side corrugated cover horizontal rib 8 are directly welded on the transformer oil tank 2 according to the design size.

[0052] In the production process, the oil tank flange cover protection plate 3 is designed according to the size of the oil tank flange cover, the oil tank flange cover protection plate 3 is folded inward 2 sides on three sides, the other side is folded in the opposite direction, the opposite direction has a certain number of square openings, the oil tank flange cover protection plate 3 is directly installed on the flange cover of the transformer oil tank 2, the square openings of the oil tank flange cover protection plate 3 are directly aligned with the square openings reserved on the American tank 1, and the half-round head square neck bolts are installed from the outside to the inside, so that the transformer oil tank 2 flange cover cannot be directly removed from the outside due to the special structure of the oil tank flange cover protection plate 3 and the use of half-round head square neck bolts, which achieves the protection and anti-theft effect. The front corrugated cover horizontal rib 7 and the side corrugated cover horizontal rib 8 are directly welded on the transformer oil tank 2 according to the design size, the vertical rib 6 of the corrugated cover is aligned with the reserved installation hole of the front corrugated cover horizontal rib 7 and the side corrugated cover horizontal rib 8, the vertical rib 6 of the corrugated cover has a certain size interval, and forms a fence structure, which achieves the protection and heat dissipation effect.

[0053] In summary, the utility model discloses the American box transformer oil tank protection device provided in the embodiment, set up the oil tank flange cover protection board in the transformer oil tank top and set up the front protection cover in the transformer oil tank front, set up the side protection cover in the side, the oil tank flange cover protection board is bent to the transformer oil tank to the one end of front protection cover and side protection cover, the top of American box transformer outer box is higher than the top of transformer oil tank, and the one end of oil tank flange cover protection board is curved to American box transformer outer box as connecting surface and is higher than the part of transformer oil tank, and the surface of connecting surface and transformer oil tank is attached, and is connected with American box transformer outer box bolt connection through the bolt from connecting surface to American box transformer outer box, because the bolt is set from outside to inside to American box transformer outer box, and the bolt on transformer oil tank flange cannot be directly removed outside, reaches the protection theftproof effect, in the production process, the plate processing time is short, and is easy to install, and the production cost is low, and the efficiency is high, and the protection is high.

[0054] The American box transformer oil tank protection device provided by the utility model is described in detail above. The principle and implementation mode of the utility model are described by applying specific examples in the paper, and the description of the above embodiments is only used to help understand the method and core idea of the utility model. It should be pointed out that for ordinary skilled persons in the technical field, the utility model can be improved and modified in several ways without departing from the principle of the utility model, and these improvements and modifications also fall within the protection scope of the utility model claims.

Claims

1. A protective device for an American-style transformer substation oil tank, characterized in that, The system includes a transformer tank, an American-style substation outer enclosure located behind the transformer tank, a tank flange cover protective plate located on top of the transformer tank, a front protective cover located on the front of the transformer tank, and a side protective cover located on the side of the transformer tank. One end of the tank flange cover protective plate facing the front and side protective covers is bent toward the transformer tank. The top of the American-style substation outer enclosure is higher than the top of the transformer tank. One end of the tank flange cover protective plate facing the American-style substation outer enclosure serves as a connecting surface, bent toward the portion of the American-style substation outer enclosure that is higher than the transformer tank. The connecting surface is attached to the surface of the transformer tank and is bolted to the American-style substation outer enclosure via bolts extending from the connecting surface to the American-style substation outer enclosure.

2. The American-style transformer substation tank protection device as described in claim 1, characterized in that, It also includes multiple square connection ports provided on the connection surface, and the bolts are semi-circular head square neck bolts, U-bolts or plum head bolts. The bolts connect the connection surface and the American-style transformer substation outer box through the square connection ports.

3. The American-style transformer substation tank protection device as described in claim 1, characterized in that, The front protective cover is a corrugated sheet front protective cover, the side protective cover is a corrugated sheet side protective cover, the corrugated sheet front protective cover is formed by welding the vertical ribs and horizontal ribs of the front corrugated sheet cover, and the corrugated sheet side protective cover is formed by welding the vertical ribs and horizontal ribs of the side corrugated sheet cover.

4. The American-style transformer substation tank protection device as described in claim 3, characterized in that, The vertical ribs of the front corrugated sheet cover and the vertical ribs of the side corrugated sheet cover are C-shaped vertical ribs.

5. The American-style transformer substation tank protection device as described in claim 4, characterized in that, The transverse ribs of the front corrugated sheet cover and the transverse ribs of the side corrugated sheet cover are U-shaped transverse ribs, and the transverse ribs of the front corrugated sheet cover and the side corrugated sheet cover are welded to the transformer oil tank in the transverse direction.

6. The American-style transformer substation tank protection device as described in claim 5, characterized in that, The vertical ribs of the front corrugated sheet cover are perpendicular to the horizontal ribs of the front corrugated sheet cover, and the vertical ribs of the side corrugated sheet cover are perpendicular to the horizontal ribs of the side corrugated sheet cover.

7. The American-style transformer substation tank protection device as described in claim 6, characterized in that, The side corrugated sheet cover has horizontal ribs with side mounting holes. Multiple vertical ribs of the side corrugated sheet cover are equally spaced and connected to the horizontal ribs of the side corrugated sheet cover through the side mounting holes to form a side fence structure. The front corrugated sheet cover has horizontal ribs with front mounting holes. Multiple vertical ribs of the front corrugated sheet cover are equally spaced and connected to the horizontal ribs of the side corrugated sheet cover through the front mounting holes to form a front fence structure.

8. The American-style transformer substation tank protection device as described in claim 7, characterized in that, The width of the transverse rib of the side corrugated sheet cover is equal to the width of the transverse rib of the front corrugated sheet cover, and the width of the transverse rib of the front corrugated sheet cover is equal to the width of the transverse rib of the side corrugated sheet cover.

9. The American-style transformer substation tank protection device as described in claim 8, characterized in that, The spacing between the vertical ribs of the adjacent side corrugated sheet cover is equal to the spacing between the vertical ribs of the adjacent front corrugated sheet cover.

10. The American-style transformer substation tank protection device as described in claim 9, characterized in that, The top and bottom of the front protective cover and the side protective cover are at the same height. The bottom of the transverse rib of the U-shaped front corrugated sheet cover is equal to the distance between the front of the transformer tank and the bottom of the transverse rib of the U-shaped side corrugated sheet cover and the distance between the side of the transformer tank.