CN102938293A - Small and medium-size transformer oil tank - Google Patents
Small and medium-size transformer oil tank Download PDFInfo
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- CN102938293A CN102938293A CN2012104806427A CN201210480642A CN102938293A CN 102938293 A CN102938293 A CN 102938293A CN 2012104806427 A CN2012104806427 A CN 2012104806427A CN 201210480642 A CN201210480642 A CN 201210480642A CN 102938293 A CN102938293 A CN 102938293A
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- tank
- case
- case lid
- bending surface
- bending side
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Abstract
The invention discloses a small and medium-size transformer oil tank which is simple in structure, safe to use and long in service life. The small and medium-size transformer oil tank comprises a tank body; wherein the tank body is provided with an upward opening; the periphery of the opening of the tank body is connected with tank edges; the tank edges and the tank body are of an integrated structure; a tank cover is connected above the tank edges by tank edge bolts; a sealing rubber pad is arranged between the tank cover and each tank edge; the periphery of the tank cover is connected with a bending surface; the bending surface and the tank cover are of the integrated structure; the sealing rubber pads are positioned in spaces formed by the bending surface and the tank cover; the lower edge line of the bending surface is not higher than the lowest end of each of the tank edge blots; in the length direction, the tank cover is high in middle and low in two ends; the connecting part of the bending surface and the tank cover is an arc surface; and an included angle of the bending surface and the horizontal surface is 60 degrees. According to the small and medium-size transformer oil tank, the conventional flat plate type structure is improved to be a structure that the tank cover edges are respectively provided with the bending surface, the accident damage during the device transportation is alleviated, and the sealing rubber pad is protected in the spaces formed by the bending surface, so that the sun-scorched and rain-drenched conditions can be effectively avoided.
Description
Technical field
The present invention relates to a kind of fuel tank, relate in particular to a kind of Transformer fuel tank.
Background technology
Fuel tank all is to be formed by Plate Welding as the shell of oil-filled transformer, and its structure also should satisfy transformer some necessary conditions when maintenance and transportation except having certain mechanical strength and satisfying the ask for something of transformer when moving.Case lid is as the loam cake of Transformer fuel tank, rely on case along around case tighten together along bolt and seal gasket and casing, no matter be the fail safe during to transformer transporting, the sealing when still moving all plays vital effect.
Mostly present transformer box cover design is to adopt plate armature, in order to increase the intensity of case lid, only have simple dependence to increase the thickness of steel plate, in the transportation of transformer, especially for the medium-sized transformer of detachable radiator, the case lid especially width of cloth of transformer transporting is outwards limit, and very easily is subject to the distortion of colliding with in improper transportation, and this is fatal to transformer itself.In addition, in the operation maintenance of transformer, also be to determine maintenance period mainly with the degree of aging of the seal gasket in the transformer, and in the transformer the longest maximum most important seal be exactly case lid and case along between seal gasket, and the congenital bright solarization that seal gasket is subject to sunlight easily, the dipping of wind and rain of having caused of the plate armature of case lid inevitably is subject to natural conditions to the infringement of seal gasket.In sum, no matter be to manufacturer or to the user, all can produce or exist some direct or potential loss and risks.
Summary of the invention
The purpose of this invention is to provide the Transformer fuel tank that a kind of simple in structure, intensity improves, uses safety, life.
For achieving the above object, the technical solution used in the present invention is:
A kind of Transformer fuel tank, comprise casing, casing is with the opening that makes progress, and the opening periphery of casing is connected with the case edge, and case is along being structure as a whole with casing, case is connected with case lid by case along bolt along top, be provided with seal gasket between case lid and the case edge, it is characterized in that: the case lid periphery is connected with bending side, and bending side and case lid are structure as a whole, seal gasket is positioned at the space of bending side and case lid formation, and the lower sideline of bending side is not higher than case along the least significant end of bolt.
According to described Transformer fuel tank, it is characterized in that: the centre is high in the longitudinal direction, two ends are low for described case lid.
According to described Transformer fuel tank, it is characterized in that: the junction of described bending side and described case lid is arcwall face.
According to described Transformer fuel tank, it is characterized in that: the angle of described bending side and horizontal plane is 60 °.
According to described Transformer fuel tank, it is characterized in that: be installed with the phase sequence identification board by described case along bolt above the described case lid, the wherein part of phase sequence identification board covers on the described bending side.
The cover structure of the main centering Tanks of Distribution Transformer of the present invention has carried out brand-new design; traditional plate armature is improved to case lid edge band bending side; simple in structure, practical and attractive; intensity obviously improves on the basis that does not increase the case lid steel plate thickness; accomplished rationally to fall material; and reduced accidental injury in the equipment conveying process; use safety; seal gasket is protected in the space of bending side formation; can effectively avoid exposing to the weather and drench with rain; prolonged the operation of power networks maintenance period and increased the operational reliability of transformer, greatly prolong useful life.
Description of drawings
Fig. 1 is structural representation of the present invention;
Fig. 2 is the A section enlarged drawing of Fig. 1.
In the accompanying drawing:
1, casing; 2, case edge; 3, bending side; 4, phase sequence identification board; 5, case is along bolt; 6, seal gasket; 7, case lid.
Embodiment
The invention will be further described below in conjunction with the drawings and specific embodiments:
A kind of Transformer fuel tank, as depicted in figs. 1 and 2, comprise casing 1, casing 1 is with the opening that makes progress, the opening periphery of casing 1 is connected with case along 2, case is structure as a whole with casing 1 along 2, case is connected with case lid 7 by case along bolt 5 above 2, case lid 7 and case are provided with seal gasket 6 between 2, case lid 7 peripheries are connected with bending side 3, bending side 3 is structure as a whole with case lid 7, and seal gasket 6 is positioned at the space of bending side 3 and case lid 7 formation, and the lower sideline of bending side 3 is not higher than case along the least significant end of bolt 5.The centre is high in the longitudinal direction, two ends are low for case lid 7.Bending side 3 is arcwall face with the junction of case lid 7.Bending side 3 is 60 ° with the angle of horizontal plane.Be installed with phase sequence identification board 4 by case along bolt 5 above the case lid 7, the wherein part of phase sequence identification board 4 covers on the bending side 3.
Embodiment recited above is described preferred implementation of the present invention; be not that the spirit and scope of the present invention are limited; under the prerequisite that does not break away from design concept of the present invention; common engineers and technicians make technical scheme of the present invention in this area various modification and improvement; all should fall into protection scope of the present invention; the technology contents that the present invention asks for protection all is documented in claims.
The invention solves and rely on single increase case lid steel plate thickness to improve intensity, shorten the problems such as maintenance period because of the damage of body seal rubber cushion because of improper stressed case lid distortion and the Transformer of causing of case lid in transformer assembling and the transportation.
Case lid among the present invention is when making, first with four arm of angle corner cut 50mm * 50mm of original case lid, chamfered in four limits, then with the four edges downward bending, centered by axis, bend in opposite directions processing at short-axis direction to both sides by corresponding mould, be limited with 1.5%～2%, and high in the middle of long axis direction is, two ends are low, heat-treat solid type after finishing.So both can cover case edge and seal gasket, and also not hinder install bin along bolt, more resident without the rainwater dust.
In the manufacturing process, guarantee case lid and case in the reasonable installation distance, horizontal by 60 ° of angles and bending side lower limb line and case along the fair requirement in the position of bolt, determining the case lid size according to case lid edge bending side.Calculate the bending degree of depth according to bending line and goniometer, select suitable cutting die according to steel plate thickness and bending length, finish at the folder that fully satisfies nominal pressure or Digit Control Machine Tool.
After case lid and case are joined along trial assembly, drill the fixedly bolt hole on case lid, case edge at drilling machine.
When the transformer general assembly, phase sequence identification board one end is fixed according to sign content institute cursor position along bolt by case, and posted on bending side.
After the case lid bending among the present invention, when improving case lid intensity, can correspondingly reduce the actual (real) thickness of case lid steel plate, to reduce consumables cost.Because the raising of intensity and the effect of bending side have reduced in transformer assembling and the transportation, the case that causes because of the improper stressed steel plate deformed that causes of case lid and because of shearing force is along the damage risk of bolt; In addition, because blocking of downward bending part reduced the aging speed of seal gasket effectively, the corresponding cycle of operation that prolongs transformer, reduced user's maintenance cost.Case lid bulk strength after the edge bending increases, and is not prone to the metabolies such as alice, wave, and when being subject to facing collision directly, stress vector is diminished.
In addition, the present invention thoroughly changed in appearance the vertical element moulding of transformer and case along bolt expose mixed and disorderly, making the phase sequence identification board (is high-pressure side A phase/B phase/C phase/0 phase, low-pressure side a phase/b phase/c phase) changes setting-in on bending side into from case lid plane setting-in, make it very clear on visual effect, more easy to identify, reduce erroneous judgement.
Claims (5)
1. Transformer fuel tank, comprise casing (1), casing (1) is with the opening that makes progress, the opening periphery of casing (1) is connected with case along (2), case is structure as a whole along (2) and casing (1), case is connected with case lid (7) by case along bolt (5) above (2), case lid (7) and case are provided with seal gasket (6) along between (2), it is characterized in that: case lid (7) periphery is connected with bending side (3), bending side (3) is structure as a whole with case lid (7), seal gasket (6) is positioned at the space of bending side (3) and case lid (7) formation, and the lower sideline of bending side (3) is not higher than case along the least significant end of bolt (5).
2. Transformer fuel tank according to claim 1 is characterized in that: described case lid (7) is high in the middle of in the longitudinal direction, two ends are low.
3. Transformer fuel tank according to claim 2 is characterized in that: described bending side (3) is arcwall face with the junction of described case lid (7).
4. Transformer fuel tank according to claim 3 is characterized in that: described bending side (3) is 60 ° with the angle of horizontal plane.
5. Transformer fuel tank according to claim 4, it is characterized in that: be installed with phase sequence identification board (4) by described case along bolt (5) above the described case lid (7), the wherein part of phase sequence identification board (4) covers on the described bending side (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012104806427A CN102938293A (en) | 2012-11-23 | 2012-11-23 | Small and medium-size transformer oil tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012104806427A CN102938293A (en) | 2012-11-23 | 2012-11-23 | Small and medium-size transformer oil tank |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102938293A true CN102938293A (en) | 2013-02-20 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012104806427A Pending CN102938293A (en) | 2012-11-23 | 2012-11-23 | Small and medium-size transformer oil tank |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102938293A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105845324A (en) * | 2016-06-16 | 2016-08-10 | 安徽中变变压器有限公司 | Oil-immersed type transformer tank |
| CN106102395A (en) * | 2016-07-20 | 2016-11-09 | 珠海格力电器股份有限公司 | Electrical appliance kit and there is its air-conditioner |
| CN114465152A (en) * | 2022-01-17 | 2022-05-10 | 上海众杰电力科技有限公司 | Gas tank of gas insulated switchgear and processing technology thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2241379Y (en) * | 1996-01-08 | 1996-11-27 | 云南变压器厂 | Transformer oil tank with edge-flanged cover |
| CN2720585Y (en) * | 2004-07-23 | 2005-08-24 | 广州华成电器股份有限公司 | Novel electric-power transformer box lid |
| CN201698864U (en) * | 2010-04-26 | 2011-01-05 | 江苏明通电力科技有限公司 | Sealing strip protection structure for oil-immersed transformer |
| CN201956162U (en) * | 2010-12-21 | 2011-08-31 | 四川东方变压器集团有限公司 | Oil tank body of oil immersed type transformer |
| CN202103337U (en) * | 2011-05-16 | 2012-01-04 | 河南三三变压器股份有限公司 | Transformer box with folding edge structure box cover |
| CN202930156U (en) * | 2012-11-23 | 2013-05-08 | 山东东政变压器有限公司 | Small and medium-sized transformer oil tank |
-
2012
- 2012-11-23 CN CN2012104806427A patent/CN102938293A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2241379Y (en) * | 1996-01-08 | 1996-11-27 | 云南变压器厂 | Transformer oil tank with edge-flanged cover |
| CN2720585Y (en) * | 2004-07-23 | 2005-08-24 | 广州华成电器股份有限公司 | Novel electric-power transformer box lid |
| CN201698864U (en) * | 2010-04-26 | 2011-01-05 | 江苏明通电力科技有限公司 | Sealing strip protection structure for oil-immersed transformer |
| CN201956162U (en) * | 2010-12-21 | 2011-08-31 | 四川东方变压器集团有限公司 | Oil tank body of oil immersed type transformer |
| CN202103337U (en) * | 2011-05-16 | 2012-01-04 | 河南三三变压器股份有限公司 | Transformer box with folding edge structure box cover |
| CN202930156U (en) * | 2012-11-23 | 2013-05-08 | 山东东政变压器有限公司 | Small and medium-sized transformer oil tank |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105845324A (en) * | 2016-06-16 | 2016-08-10 | 安徽中变变压器有限公司 | Oil-immersed type transformer tank |
| CN106102395A (en) * | 2016-07-20 | 2016-11-09 | 珠海格力电器股份有限公司 | Electrical appliance kit and there is its air-conditioner |
| CN114465152A (en) * | 2022-01-17 | 2022-05-10 | 上海众杰电力科技有限公司 | Gas tank of gas insulated switchgear and processing technology thereof |
| CN114465152B (en) * | 2022-01-17 | 2024-03-22 | 上海众杰电力科技有限公司 | Gas tank of gas insulated switchgear and processing technology thereof |
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Application publication date: 20130220 |