CN219591235U - Corrugated oil tank structure for oil immersed distribution transformer - Google Patents
Corrugated oil tank structure for oil immersed distribution transformer Download PDFInfo
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- CN219591235U CN219591235U CN202320019790.2U CN202320019790U CN219591235U CN 219591235 U CN219591235 U CN 219591235U CN 202320019790 U CN202320019790 U CN 202320019790U CN 219591235 U CN219591235 U CN 219591235U
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Abstract
The utility model discloses a corrugated oil tank structure for an oil immersed distribution transformer, which comprises an oil tank main body, wherein the bottom of the oil tank main body is a tank bottom, the bottom surface of the oil tank main body is a tank wall, the edge of an opening on the inner side edge of the oil tank main body is a tank edge, the periphery of the oil tank main body is composed of a plurality of corrugated sheets which are arranged in a surrounding manner, and a plurality of supporting plates are arranged on the inner wall of the oil tank main body along the vertical direction; the T-shaped steel reinforcing ribs are welded on the inner sides of the tank edges and the tank walls, the flange sides of the T-shaped steel reinforcing ribs are tightly adhered to the tank edges and the tank walls and are fully welded, and the web faces the inner sides of the oil tanks; the oil guide plate is horizontally welded at the outer side of the middle of the supporting plate and the T-shaped steel reinforcing rib, the rust risk and the cold joint risk generated by welding the reinforcing ribs due to the fact that the gap between the external reinforcing rib and the corrugated sheet is not in place in a spraying mode are eliminated, the original oil tank lifting structure is eliminated, and the mechanical strength, the oil tank heat dissipation efficiency and the attractive appearance of the corrugated oil tank are effectively improved.
Description
Technical Field
The utility model relates to a corrugated oil tank structure for an oil immersed distribution transformer, and belongs to the technical field of distribution transformer manufacturing.
Background
The oil tank is used as a main structure of the transformer, and has the main functions of sealing and heat dissipation, and the oil tank of the oil immersed type distribution transformer at the present stage mainly comprises a sheet-type scattered oil tank and a corrugated oil tank, and the corrugated oil tank is the oil tank structure mainly adopted by the oil immersed type distribution transformer at the present stage because the sheet-type scattered oil tank has smaller specification of the sheet-type radiator, less production factories and higher cost and is not easy for batch production of the oil immersed type distribution transformer.
The corrugated oil tank generally adopts a frame structure, is mainly formed by welding a tank edge, corrugated sheets, a supporting plate, reinforcing ribs, a tank wall and a tank bottom through a frame structure, the structural strength of the corrugated oil tank directly influences the operation safety of a transformer, and along with the increasing requirement on the operation quality of an oil-immersed distribution transformer, the oil-immersed distribution transformer needs to carry out structural reinforcement treatment on the corrugated oil tank. However, this way of adding the reinforcing bars has the following problems: 1. gaps exist between the reinforcing ribs and the corrugated sheets, shot blasting and plastic spraying are difficult to treat, the oil tank is easy to rust, and the service life of the oil tank is reduced; 2. the reinforcing ribs are difficult to cling to the box edges and the box walls due to the surplus height of the weld seams generated when the corrugated sheets are welded with the box edges and the box walls, so that the welding is inconvenient and the false welding is easy to generate; 3. the welding position of the reinforcing rib needs to consider the distance from the flange hole of the box edge, and the sealing bolts of the box cover and the box edge cannot be fastened or are inconvenient to fasten due to the fact that the welding position is considered.
Disclosure of Invention
The utility model aims to overcome the defects in the prior art, and provides a corrugated oil tank structure for an oil immersed type distribution transformer, which is characterized in that under the condition of not changing the original corrugated oil tank main body structure, the original structure mode of singly increasing external reinforcing ribs to strengthen the mechanical strength of an oil tank is improved, the reinforcing plate is changed from flat steel to T-shaped steel, the upper part of the T-shaped steel is provided with oil tank lifting holes, the welding positions are adjusted from the positions corresponding to the intervals of windings on the inner sides of the outer sides of tank edges and tank walls, and meanwhile, the integral optimization method of newly increasing an oil guide plate on the outer sides of the middle parts of a supporting plate and the reinforcing ribs is adopted, so that the rust risk caused by the fact that gaps between the external reinforcing ribs and corrugated sheets are not sprayed in place and the false welding risk caused by welding the reinforcing ribs are eliminated, the original oil tank lifting structure is removed, and the mechanical strength, the heat dissipation efficiency of the oil tank and the attractive appearance of the corrugated oil tank are effectively improved.
In order to achieve the above purpose, the utility model is realized by adopting the following technical scheme:
the utility model provides a corrugated oil tank structure for an oil immersed distribution transformer, which comprises the following components:
the fuel tank comprises a fuel tank body, wherein the fuel tank body is of a hollow structure with an opening at the top and a hollow inside, the bottom of the fuel tank body is a tank bottom, the bottom surface of the fuel tank body is a tank wall, the edge of the opening at the inner side edge of the fuel tank body is a tank edge, the periphery of the fuel tank body is composed of a plurality of corrugated sheets which are arranged in a surrounding manner, the inner side of each corrugated sheet is the inner wall of the fuel tank body, and a plurality of supporting plates are arranged on the inner wall of the fuel tank body along the vertical direction;
the T-shaped steel reinforcing ribs are welded on the inner sides of the tank edges and the tank walls, the flange sides of the T-shaped steel reinforcing ribs are tightly adhered to the tank edges and the tank walls and are fully welded, and the web faces the inner sides of the oil tanks;
the oil guide plate is horizontally welded at the outer side of the middle of the supporting plate and the T-shaped steel reinforcing rib.
Furthermore, the length of the T-shaped steel reinforcing rib is required to be smaller than the depth of the oil tank.
Further, the overlapping position of the T-shaped steel reinforcing rib and the box edge and the box wall is not less than 30mm.
Further, the T-shaped steel reinforcing rib is close to the upper portion of the box along the direction, and an oil tank lifting hole is formed in a web plate of the T-shaped steel reinforcing rib.
Further, the oil guide plate is a plane steel plate, the thickness of the steel plate is 2mm or 3mm, and the width of the steel plate is half of the width of the corrugated sheet.
Further, the oil flow gap between the upper side and the lower side of the oil guide plate is not smaller than 90mm.
Furthermore, the adjacent parts of the inner sides of the oil guide plates and the corrugated sheets are welded and fixed by equidistant spot welding.
Compared with the prior art, the utility model has the beneficial effects that:
(1) The utility model eliminates the risk of rusting gaps between the original reinforcing ribs and the corrugated sheets and eliminates the risk of cold joint caused by larger gaps between the reinforcing ribs and the box edges and between the reinforcing ribs and the box walls. The integral strength, the service life and the appearance of the oil tank are improved.
(2) According to the utility model, the lifting hole is formed in the upper part of the T-shaped steel reinforcing rib, so that the lifting hole replaces the external lifting hole of the original oil tank, the structure of the oil tank is simplified, and the appearance of the oil tank is attractive.
(3) According to the corrugated fin heat dissipation device, the oil guide plate is welded at the middle position of the outer sides of the reinforcing ribs and the supporting plates, and a chimney effect is generated by changing the oil flow mode, so that the heat dissipation efficiency of the corrugated fin is improved.
(4) The utility model improves the compression bearing strength of the corrugated sheet by carrying out equidistant spot welding at the inner close part of the oil guide plate and the radiating fin.
Drawings
FIG. 1 is an overall outline view of an original corrugated oil tank structure;
FIG. 2 is an overall outline view of the improved corrugated fuel tank structure of the present utility model;
fig. 3 is a cross-sectional view of the improved corrugated fuel tank structure of the present utility model.
In the figure: 1. a box edge; 2. a support plate; 3. t-shaped steel reinforcing ribs; 4. an oil guide plate; 5. corrugated sheets; 6. a wall of the box; 7. a box bottom; 8. a lifting bar; 9. flat steel reinforcing ribs.
Detailed Description
The utility model is further described below with reference to the accompanying drawings. The following examples are only for more clearly illustrating the technical aspects of the present utility model, and are not intended to limit the scope of the present utility model.
In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second", etc. may explicitly or implicitly include one or more such feature. In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art in a specific case.
Example 1
This embodiment introduces a ripple oil tank structure for oil-immersed distribution transformer, includes:
the oil tank comprises an oil tank body, wherein the oil tank body is of a hollow structure with an opening at the top and a hollow inside, the bottom of the oil tank body is a tank bottom 7, the bottom surface of the oil tank body is a tank wall 6, the edge of the opening at the inner side edge of the oil tank body is a tank edge 1, the periphery of the oil tank body is composed of a plurality of corrugated sheets 5 which are arranged in a surrounding manner, the inner side of the corrugated sheets 5 is the inner wall of the oil tank body, and a plurality of supporting plates 2 are arranged on the inner wall of the oil tank body along the vertical direction;
the T-shaped steel reinforcing ribs 3 are welded on the inner sides of the tank edge 1 and the tank wall 6, the flange sides of the T-shaped steel reinforcing ribs 3 are tightly adhered to the tank edge 1 and the tank wall 6 and fully welded, and the web faces the inner side of the oil tank;
and the oil guide plate 4 is horizontally welded at the outer side of the middle parts of the support plate 2 and the T-shaped steel reinforcing ribs 3.
According to the embodiment, under the condition that the shape of the main structure of an original corrugated oil tank is not changed, the reinforcing ribs are changed from flat steel to T-shaped steel, the positions of the reinforcing ribs are changed from external welding to internal welding, and meanwhile, oil tank lifting holes are formed in the upper parts of the T-shaped steel, and the oil guide plate 4 is newly added outside the middle parts of the supporting plates 2 and the reinforcing ribs and inside the corrugated sheets 5.
According to the embodiment, the original flat steel type reinforcing ribs are changed into the T-shaped steel type reinforcing ribs, so that the mechanical bending resistance of the reinforcing ribs is improved, and the integral mechanical strength of the corrugated oil tank is effectively improved.
In the embodiment, the T-shaped steel reinforcing ribs 3 are welded at the alternate corresponding positions of the transformer windings on the inner sides of the box edge 1 and the box wall 6, so that the risk of rust caused by plastic spraying between the external reinforcing ribs and the corrugated sheets 5 is eliminated.
In the embodiment, the oil tank lifting hole is formed in the upper portion of the T-shaped steel reinforcing plate, so that the original external lifting bar 8 of the corrugated oil tank is replaced, and the lifting structure of the corrugated oil tank is optimized.
In the embodiment, the oil guide plate 4 is welded on the outer side of the middle part of the reinforcing rib and the supporting plate 2, and the heat dissipation efficiency of the corrugated sheet 5 is improved through the chimney effect.
In the embodiment, the edge of the oil guide plate 4 and the adjacent part of the inner side of the corrugated sheet 5 are subjected to equidistant spot welding, so that the compressive bearing strength of the corrugated sheet 5 is improved.
The matters devised in the above embodiments are explained below with reference to the drawings.
As shown in fig. 1, the original corrugated oil tank structure consists of a tank edge 1, a supporting plate 2, a lifting bar 8, flat steel reinforcing ribs 9, corrugated sheets 5, a tank wall 6 and a tank bottom 7.
As shown in fig. 2 and 3, the structural improvement of the corrugated oil tank for the oil-immersed distribution transformer provided by the utility model consists of a tank edge 1, a supporting plate 2, a T-shaped steel reinforcing rib 3, an oil guide plate 4, corrugated sheets 5, tank walls 6 and a tank bottom 7.
According to the improved corrugated oil tank structure for the oil immersed type distribution transformer, the lifting bar 8 of the original corrugated oil tank structure is removed, the flat steel reinforcing rib 9 of the original corrugated oil tank structure is replaced by the T-shaped steel reinforcing rib 3 for improving the corrugated oil tank structure, and the welding position of the reinforcing rib is changed from the outer side of the corrugated oil tank to the inner side.
The improved corrugated oil tank structure T-shaped steel reinforcing rib 3 is welded on the inner sides of the tank edge 1 and the tank wall 6, the opposite use position is the middle part of the long side of the corrugated oil tank, and the oil guide plate 4 is welded on the outer sides of the middle parts of the support plate 2 and the T-shaped steel reinforcing rib 3 of the improved corrugated oil tank structure.
The length of the T-shaped steel reinforcing rib 3 is required to be smaller than the depth of the oil tank, the specification is selected to be proper according to the size of the oil tank, and the lap joint position of the T-shaped steel reinforcing rib 3 and the tank edge 1 as well as the tank wall 6 is not less than 30mm; the T-shaped steel reinforcing rib 3 is close to the upper part of the box along the direction 1, and an oil tank lifting hole is formed in a web plate of the T-shaped steel reinforcing rib 3, and the diameter of the oil tank lifting hole is required to be larger than the diameter of the lifting hook.
The T-shaped steel reinforcing rib 3 is welded on the inner sides of the tank edge 1 and the tank wall 6, the flange side of the T-shaped steel reinforcing rib 3 is tightly and fully welded with the tank edge 1 and the tank wall 6, and the web faces the inner side of the oil tank.
The oil guide plate 4 is a planar steel plate, the thickness of the steel plate is preferably 2mm or 3mm, the width is about half of the width of the corrugated sheet 5, the oil flow gaps on the upper side and the lower side of the oil guide plate 4 are not less than 90mm, and the length is designed according to the actual length of each side of the corrugated oil tank.
The oil guide plate 4 is horizontally welded at the outer side of the middle parts of the support plate 2 and the T-shaped steel reinforcing ribs 3, and after the corrugated sheet 5 is welded, the adjacent parts of the inner sides of the oil guide plate 4 and the corrugated sheet 5 are welded and fixed through equidistant spot welding.
The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that modifications and variations could be made by those skilled in the art without departing from the technical principles of the present utility model, and such modifications and variations should also be regarded as being within the scope of the utility model.
Claims (7)
1. The utility model provides an oil-immersed distribution transformer is with ripple oil tank structure which characterized in that includes:
the oil tank comprises an oil tank body, wherein the oil tank body is of a hollow structure with an opening at the top and a hollow inside, the bottom of the oil tank body is a tank bottom (7), the bottom surface of the oil tank body is a tank wall (6), the edge of the opening at the inner side edge of the oil tank body is a tank edge (1), the periphery of the oil tank body is composed of a plurality of corrugated sheets (5) which are arranged in a surrounding manner, the inner side of each corrugated sheet (5) is the inner wall of the oil tank body, and a plurality of supporting plates (2) are arranged on the inner wall of the oil tank body along the vertical direction;
the T-shaped steel reinforcing ribs (3) are welded on the inner sides of the tank edge (1) and the tank wall (6), the flange sides of the T-shaped steel reinforcing ribs (3) are tightly adhered to the tank edge (1) and the tank wall (6) and fully welded, and the web faces the inner side of the oil tank;
the oil guide plate (4), oil guide plate (4) level welding is in backup pad (2) and T shaped steel strengthening rib (3) middle part outside position.
2. The corrugated oil tank structure for an oil immersed distribution transformer according to claim 1, wherein the length of the T-shaped steel reinforcing ribs (3) is required to be smaller than the depth of the oil tank.
3. The corrugated oil tank structure for the oil-immersed distribution transformer according to claim 1, wherein the lap joint of the T-shaped steel reinforcing rib (3) and the tank edge (1) and the tank wall (6) is not less than 30mm.
4. The corrugated oil tank structure for the oil-immersed distribution transformer according to claim 1, wherein the T-shaped steel reinforcing rib (3) is close to the upper part of the tank edge (1) in the direction, and an oil tank lifting hole is formed in a web plate of the T-shaped steel reinforcing rib (3).
5. The corrugated oil tank structure for an oil immersed distribution transformer according to claim 1, wherein the oil guide plate (4) is a planar steel plate, the thickness of the steel plate is 2mm or 3mm, and the width is half of the width of the corrugated sheet (5).
6. The corrugated oil tank structure for an oil immersed distribution transformer according to claim 1, wherein the upper and lower side oil flow gaps of the oil guide plate (4) are not less than 90mm.
7. The corrugated oil tank structure for an oil immersed distribution transformer according to claim 1, wherein the oil guide plate (4) and the corrugated sheet (5) are welded and fixed by equidistant spot welding at the adjacent positions.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320019790.2U CN219591235U (en) | 2023-01-05 | 2023-01-05 | Corrugated oil tank structure for oil immersed distribution transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320019790.2U CN219591235U (en) | 2023-01-05 | 2023-01-05 | Corrugated oil tank structure for oil immersed distribution transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219591235U true CN219591235U (en) | 2023-08-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320019790.2U Active CN219591235U (en) | 2023-01-05 | 2023-01-05 | Corrugated oil tank structure for oil immersed distribution transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219591235U (en) |
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2023
- 2023-01-05 CN CN202320019790.2U patent/CN219591235U/en active Active
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