CN205542287U - High transformer tank structure of transshipping - Google Patents
High transformer tank structure of transshipping Download PDFInfo
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- CN205542287U CN205542287U CN201620145431.1U CN201620145431U CN205542287U CN 205542287 U CN205542287 U CN 205542287U CN 201620145431 U CN201620145431 U CN 201620145431U CN 205542287 U CN205542287 U CN 205542287U
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- tank wall
- oil tank
- weldment
- tank body
- wall weldment
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Abstract
The utility model discloses a high transformer tank structure of transshipping, follow the angle steel including oil tank body, the fuel outlet valve of locating oil tank body lower part, ripple fin, the case of locating on four sides of oil tank body, the support angle steel is followed to bottom of the case channel -section steel, case, and double -phase neighbour's case has the enhancement steel sheet along welding between the support angle steel, it still welds in order to consolidate the ripple fin with the ripple fin simultaneously to strengthen the steel sheet, the fuel outlet valve includes from welding tank wall weldment, inside seal spare and the external seal lid on oil tank body tank wall, the tank wall weldment is the tubular structure, and its inside and outside both sides take shape respectively and have inside and outside screw thread, external seal lid is through the external screw thread and tank wall weldment threaded connection of tank wall weldment, simultaneously on tank wall weldment overcoat outer sealed rubber ring with fill that the external seal covers and the tank wall weldment between the space, internal thread and tank wall weldment threaded connection that inside seal spare passes through the tank wall weldment, including simultaneously in on the sealing member overcoat sealed rubber ring in order to fill the space between tank wall weldment and the inside seal spare.
Description
Technical field
This utility model relates to oil-filled transformer technical field, particularly relates to a kind of high overload transformer oil tank structure.
Background technology
According to State Grid Corporation of China's company standard (Q/GDW11190-2014), high overload transformator is according to load character, and intensity and sealing to corrugated tank have claimed below.
, the corrugated tank coefficient of expansion be no less than 1.3, regulation working condition and loading condiction under run time should not have permeability, oil leakage phenomenon.
(2), fuel tank fuel outlet valve should use double sealing structure.
(3) iknsulating liquid thermal expansion factor when, Oiltank structure should take into full account high overload.
The coefficient of expansion that common oil tank for oil immersion type transformer design considers as can be seen here can not meet iknsulating liquid thermal expansion requirement, and the longest edge corrugation sheet easilys lead to deformation, the most recoverable damage owing to dielectric thermal volume expansion is excessive during high overload.Common oil tank for oil immersion type transformer fuel outlet valve is also adopted by double sealing structure, but one of them O-ring seal is Ф 10 × Ф, 15 × Ф 2.5mm, owing to diameter dimension is little, it is in sealing contact area little, easily cause very much damage when drawing oil sample, cause permeability, oil leakage phenomenon, the potential safety hazard caused.
Summary of the invention
The purpose of this utility model is to overcome the deficiencies in the prior art, it is provided that a kind of stabilized structure, the high overload transformer oil tank structure that intensity is high.
In order to realize object above, this utility model be the technical scheme is that
A kind of high overload transformer oil tank structure, the fuel outlet valve of including oil tank body, being located at oil tank body bottom and be located at the corrugate fin on four sides of oil tank body, the end face of described oil tank body is provided with the circle case around top edge along angle steel, bottom channel-section steel is installed to support oil tank body at the top of oil tank body, case it is provided with along supporting angle steel on corner inside oil tank body, two adjacent casees are welded with reinforcement steel plate between support angle steel, and described reinforcement steel plate welds to reinforce corrugate fin with corrugate fin also simultaneously；Described fuel outlet valve includes from the tank wall weldment being welded in oil tank body tank wall, inner seal liner and external seal lid, described tank wall weldment is in tubular construction, in being formed separately inside and outside it, external screw thread, described external seal lid is threadeded with tank wall weldment by the external screw thread of tank wall weldment, on overlapping outside tank wall weldment, external seal cushion rubber is to fill the space between external seal lid and tank wall weldment simultaneously, described inner seal liner is threadeded with tank wall weldment by the female thread of tank wall weldment, in on overlapping outside inner seal liner, O-ring seal is to fill the space between tank wall weldment and inner seal liner simultaneously.
Preferably, the thickness of described reinforcement steel plate is 5mm.
Preferably, described interior O-ring seal uses nitrile rubber, and its internal diameter is 10mm, and external diameter is 20mm, and thickness is 4mm；Described external seal cushion rubber uses nitrile rubber, and its internal diameter is 35mm, and external diameter is 47mm, and thickness is 5mm.
The beneficial effects of the utility model are: high overload transformer oil tank structure of the present utility model, reinforcement steel plate is welded between oil tank body with corrugate fin, reinforce the attachment structure between corrugate fin and oil tank body, transformator is made to remain to keep Stability Analysis of Structures under high overload state, so that the load capacity of transformator improves.
Accompanying drawing explanation
Fig. 1 is front view of the present utility model.
Fig. 2 is top view of the present utility model.
Fig. 3 is perspective view of the present utility model.
Fig. 4 is the sectional view of fuel outlet valve of the present utility model.
Wherein, 1-oil tank body, 11-case is along angle steel, and 12-case is along supporting angle steel, and 13-bottom channel-section steel, 14-strengthens steel plate, 2-fuel outlet valve, 21-tank wall weldment, 22-inner seal liner, 23-external seal lid, 24-external seal cushion rubber, O-ring seal in 25-, 3-corrugate fin.
Detailed description of the invention
It is described in further detail in conjunction with the drawings and specific embodiments technical scheme required for protection to this utility model.
See shown in accompanying drawing 1 to accompanying drawing 4, a kind of high overload transformer oil tank structure, including oil tank body 1, it is located at the fuel outlet valve 2 of oil tank body 1 bottom and is located at the corrugate fin 3 on 1 four sides of oil tank body, it is characterized in that: the end face of described oil tank body 1 is provided with the circle case around top edge along angle steel 11, bottom channel-section steel 13 is installed to support oil tank body 1 at the top of oil tank body 1, case it is provided with along supporting angle steel 12 on corner inside oil tank body 1, two adjacent casees are welded with reinforcement steel plate 14 between support angle steel 12, described reinforcement steel plate 14 welds to reinforce corrugate fin 3 with corrugate fin 3 the most simultaneously, in the present embodiment, the thickness of described reinforcement steel plate 14 is 5mm.The present embodiment is strengthened steel plate 14 first weld along supporting angle steel 12 with case, the lap of splice is 10～20mm, and long edge corrugation fin 3 uses spot welding mode to reinforce (as minor face corrugate fin 3 reaches 15 and above this method can also be used to reinforce) with strengthening steel plate 14 contact position.
nullDescribed fuel outlet valve 2 includes from the tank wall weldment 21 being welded in oil tank body 1 tank wall、Inner seal liner 22 and external seal lid 23，Described tank wall weldment 21 is in tubular construction，In being formed separately inside and outside it、External screw thread，Described external seal lid 23 is threadeded with tank wall weldment 21 by the external screw thread of tank wall weldment 21，On overlapping outside tank wall weldment 21, external seal cushion rubber 24 is to fill the space between external seal lid 23 and tank wall weldment 21 simultaneously，Described inner seal liner 22 is threadeded with tank wall weldment 21 by the female thread of tank wall weldment 21，In simultaneously on the outer set of inner seal liner 22, O-ring seal 25 is to fill the space between tank wall weldment 21 and inner seal liner 22，In the present embodiment，Described interior O-ring seal 25 uses nitrile rubber，Its internal diameter is 10mm，External diameter is 20mm，Thickness is 4mm；Described external seal cushion rubber 24 uses nitrile rubber, and its internal diameter is 35mm, and external diameter is 47mm, and thickness is 5mm.Tank wall weldment 21 and tank wall firm welding (attention draws oil sample pod apertures position down), first interior O-ring seal 25 Ф 10 × Ф 20 × 4 mm is coordinated with inner seal liner 22 during assembling, attach it in tank wall weldment 21 again, then place external seal cushion rubber 24 Ф 35 × Ф 47 × 5 mm to put in place, external seal lid 23 is finally installed.
The high overload transformer oil tank structure of the present embodiment, reinforcement steel plate 14 is welded between oil tank body 1 with corrugate fin 3, reinforce the attachment structure between corrugate fin 3 and oil tank body 1, transformator is made to remain to keep Stability Analysis of Structures under high overload state, so that the load capacity of transformator improves.
The embodiment of the above is only preferred embodiment of the present utility model, and this utility model not does any pro forma restriction.Any those of ordinary skill in the art, without departing under technical solutions of the utility model ambit, technical solutions of the utility model are made more possible variation and retouching by the technology contents that all may utilize the disclosure above, or are revised as the Equivalent embodiments of equivalent variations.Therefore all contents without departing from technical solutions of the utility model, the equivalent equivalence change made according to the thinking of this utility model, all should be covered by protection domain of the present utility model.
Claims (3)
1. a high overload transformer oil tank structure, including oil tank body (1), it is located at the fuel outlet valve (2) of oil tank body (1) bottom and is located at the corrugate fin (3) on (1) four side of oil tank body, it is characterized in that: the end face of described oil tank body (1) is provided with a circle around the case of top edge along angle steel (11), bottom channel-section steel (13) is installed to support oil tank body (1) at the top of oil tank body (1), the corner of oil tank body (1) inner side is provided with case along supporting angle steel (12), two adjacent casees are welded with reinforcement steel plate (14) between support angle steel (12), described reinforcement steel plate (14) welds with corrugate fin (3) to reinforce corrugate fin (3) the most simultaneously；nullDescribed fuel outlet valve (2) includes from the tank wall weldment (21) being welded in oil tank body (1) tank wall、Inner seal liner (22) and external seal lid (23)，Described tank wall weldment (21) is in tubular construction，In being formed separately inside and outside it、External screw thread，Described external seal lid (23) is threadeded with tank wall weldment (21) by the external screw thread of tank wall weldment (21)，Outside tank wall weldment (21), put external seal cushion rubber (24) to fill the space between external seal lid (23) and tank wall weldment (21) simultaneously，Described inner seal liner (22) is threadeded with tank wall weldment (21) by the female thread of tank wall weldment (21)，Outside inner seal liner (22), put interior O-ring seal (25) to fill the space between tank wall weldment (21) and inner seal liner (22) simultaneously.
A kind of high overload transformer oil tank structure the most according to claim 1, it is characterised in that: the thickness of described reinforcement steel plate (14) is 5mm.
A kind of high overload transformer oil tank structure the most according to claim 1, it is characterised in that: described interior O-ring seal (25) uses nitrile rubber, and its internal diameter is 10mm, and external diameter is 20mm, and thickness is 4mm；Described external seal cushion rubber (24) uses nitrile rubber, and its internal diameter is 35mm, and external diameter is 47mm, and thickness is 5mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620145431.1U CN205542287U (en) | 2016-02-27 | 2016-02-27 | High transformer tank structure of transshipping |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620145431.1U CN205542287U (en) | 2016-02-27 | 2016-02-27 | High transformer tank structure of transshipping |
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| Publication Number | Publication Date |
|---|---|
| CN205542287U true CN205542287U (en) | 2016-08-31 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201620145431.1U Active CN205542287U (en) | 2016-02-27 | 2016-02-27 | High transformer tank structure of transshipping |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109555857A (en) * | 2018-12-29 | 2019-04-02 | 昆山瑞普电气有限公司 | Sealed expansion structure in transformer oil |
-
2016
- 2016-02-27 CN CN201620145431.1U patent/CN205542287U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109555857A (en) * | 2018-12-29 | 2019-04-02 | 昆山瑞普电气有限公司 | Sealed expansion structure in transformer oil |
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