CN204130307U - The structure of directly welded transformer radiator and leak test inflation are covered and seal cover - Google Patents
The structure of directly welded transformer radiator and leak test inflation are covered and seal cover Download PDFInfo
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- CN204130307U CN204130307U CN201420510173.3U CN201420510173U CN204130307U CN 204130307 U CN204130307 U CN 204130307U CN 201420510173 U CN201420510173 U CN 201420510173U CN 204130307 U CN204130307 U CN 204130307U
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- leak test
- seal cover
- lid
- directly welded
- transformer radiator
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Abstract
A structure for directly welded transformer radiator, comprise fin and lay respectively at the upper and lower two ends of fin be provided with oil pipe, oil pipe comprises oil inlet pipe and flowline, and the mouth of pipe of oil inlet pipe and flowline is provided with external screw thread; A kind of seal cover, seal cover be provided with by the suitable internal thread of the oil tube external thread of the directly welded transformer radiator of shutoff, the capping of seal cover is closed, and is provided with sealing ring in seal cover; A kind of leak test inflation lid, leak test inflation cover be provided with by the suitable internal thread of the oil tube external thread of the directly welded transformer radiator of leak test, the capping of leak test inflation lid is provided with the leak test valve of leak test, is provided with sealing ring in leak test inflation lid.The utility model is provided with external screw thread on the oil inlet pipe and flowline of directly welded transformer radiator, conveniently, structure is simple, and volume, weight are little for leak test inflation lid and seal cover installation and removal, its leak test charging efficiency is high, effectively can apply the shutoff of transformer radiator oil pipe.
Description
Technical field
The utility model belongs to transformer technology field, relates to transformer part, especially a kind of structure of directly welded transformer radiator and inflate for the leak test of radiator, sealing device.
Background technology
In transformer gilled radiator manufacture process, leak test operation needs steel tube head to seal, and airtightly in leak test operation does not seep water.At present, directly welded transformer radiator, namely cannot the conventional seals device of flange-type gilled radiator leak test, is clamp outer diameter of steel pipes with bolt arrangement, then installs rubber cushion and cover plate.Problems existing is: during installation, action link is many, and sealer, from great, fill, tears speed open slowly, fill, tear once about 4 minutes open.Because conventional seals device embraces at outer diameter of steel pipes frictionally as fixing, by the situation of hyperbaric pressures, sealer has the possibility be ejected.
The patent No. is that the Chinese invention patent of ZL201110379291.6 discloses a kind of encapsulating method of transformer gilled radiator leak test and special inner hook sealer, comprise hand part, rubber ring, moulding steel bushing, cam handle, cam shaft, hand is handle part front end, rear end is hook arrangement, by-level direction is cylinder table stepped structure, one end diameter near handle is less, one end diameter near hook arrangement is larger, the internal diameter of rubber ring and moulding steel bushing is less than the maximum outside diameter of step-like structure, be sleeved on hand successively on the step in the middle of part, cam shaft is arranged on hand on part, near moulding steel bushing, cam shaft arranges cam handle.This structure can realize not completing sealing in steel pipe peripheral operation, and in steel duct, the portion of carrying out has operated sealing.But sealing device complex structure, and cost is high.Do not solve the problem of the leak test inflation of directly welded transformer radiator in addition.
In addition, transformer radiator in the mill, needs acid washing phosphorization to carry out processing of rust removing to it usually.In the transformer radiator acid washing phosphorization operation of some Transformer Manufacturing Enterprises, shutoff is not carried out to oil inlet pipe and flowline, in transformer radiator, often occur acid washing phosphorization Liquid Residue, cause the hidden danger of quality of product.
Utility model content
The purpose of this utility model is to solve above-mentioned the deficiencies in the prior art, a kind of structure of directly welded transformer radiator and the leak test supporting with it is provided to inflate and sealing device, installation and removal are convenient, structure is simple, volume, weight are little, its leak test charging efficiency is high, and effectively can be applied in the transformer radiator oil inlet pipe of acid washing phosphorization occasion and the shutoff of flowline.
The technical scheme that the technical problem that the utility model solves adopts is:
A structure for directly welded transformer radiator, comprise fin and lay respectively at the upper and lower two ends of fin be provided with oil pipe, oil pipe comprises oil inlet pipe and flowline, it is characterized in that the mouth of pipe of oil inlet pipe and flowline is provided with external screw thread.
The oil inlet pipe and flowline of directly welded transformer radiator are provided with external screw thread, and its technique is simple, and process easy, the cost of increase is very low.But by oil inlet pipe and the externally threaded setting of flowline, greatly facilitate the design and devdlop of leak test inflation and sealing device.
The utility model designs a kind of seal cover, for carrying out sealing blocking to the oil inlet pipe of above-mentioned directly welded transformer radiator and flowline, its structure is: seal cover is lid-like, seal cover be provided with by the suitable internal thread of the oil tube external thread of the directly welded transformer radiator of shutoff, the capping of seal cover is closed, be provided with sealing ring in seal cover, after seal cover is screwed into oil pipe (oil inlet pipe and flowline), sealing ring is between the end face and the capping of seal cover of oil pipe.Sealing ring ensures the sealing of capping shutoff oil pipe, the tapped Cup lid of similar of seal cover.During use, seal cover is tightened oil inlet pipe, just can realize the oil inlet pipe of directly welded transformer radiator and the sealing blocking of flowline.The directly welded transformer radiator completing sealing blocking just can enter on acid washing phosphorization pond and carry out acid washing phosphorization, would not occur acid washing phosphorization Liquid Residue in transformer radiator, to ensure the quality of product.
As preferably, be externally connected with handle at above-mentioned seal cover.Be externally connected with handle at seal cover, use with the operation of handled easily work, enhance productivity.
The utility model designs a kind of leak test inflation lid, for the oil pipe design leak test inflation to above-mentioned directly welded transformer radiator, to facilitate inflation, its structure is: leak test inflation lid is lid-like, leak test inflation cover be provided with by the suitable internal thread of the oil tube external thread of the directly welded transformer radiator of leak test, the capping of leak test inflation lid is provided with the leak test valve of leak test, sealing ring is provided with in leak test inflation lid, after leak test inflation lid is screwed into oil pipe, sealing ring is between the end face and the capping of inflation lid of oil pipe.The utility model realizes the installation of leak test inflation lid easily, the oil inlet pipe (flowline) of directly welded transformer radiator is screwed into leak test inflation lid, flowline (oil inlet pipe) is screwed into above-mentioned seal cover, leak test gas, by the leak test valve inflation of leak test inflation lid, just realizes the leak test of directly welded transformer radiator easily.
As preferably, be externally connected with handle at above-mentioned leak test inflation lid.Be externally connected with handle at leak test inflation lid, use with the operation of handled easily work, enhance productivity.
As preferably, the venting valve that the capping of leak test inflation lid is also provided with, venting valve and leak test valve are respectively equipped with valve.When leak test gas is by the leak test valve inflation of leak test inflation lid, reaches leak test air pressure, just can close the valve of leak test valve.When needs are exitted time, the valve can opening venting valve is exitted.
The beneficial effects of the utility model are: the utility model is provided with external screw thread on the oil inlet pipe and flowline of directly welded transformer radiator, the design of lid and seal cover is inflated by leak test, installation and removal are convenient, structure is simple, volume, weight are little, its leak test charging efficiency is high, and effectively can be applied in the transformer radiator oil inlet pipe of acid washing phosphorization occasion and the shutoff of flowline, has higher promotional value.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, utility model is further illustrated:
Fig. 1 is the structural representation of the utility model embodiment directly welded transformer radiator;
Fig. 2 is the structural representation of the utility model embodiment seal cover;
Fig. 3 is the structural representation of the utility model embodiment leak test inflation lid;
Structural representation when Fig. 4 is the utility model embodiment leak test.
In figure: 1, fin 2, oil pipe 3, external screw thread 4, seal cover 5, internal thread 6, capping 7, sealing ring 8, handle 9, leak test inflation lid 10, leak test valve 11, venting valve 12, valve.
Embodiment
In Fig. 1, a kind of structure of directly welded transformer radiator, what comprise fin 1 and lay respectively at fin about 1 two ends is provided with oil pipe 2, and oil pipe 2 comprises oil inlet pipe and flowline, and the mouth of pipe of oil inlet pipe and flowline is provided with external screw thread 3.The oil pipe 2 of directly welded transformer radiator is provided with external screw thread 3, and its technique is simple, and process easy, the cost of increase is very low.But by the externally threaded setting of oil pipe 2, greatly facilitate the design and devdlop of leak test inflation and sealing device.
In Fig. 1, Fig. 2 and Fig. 4, a kind of seal cover, for carrying out sealing blocking to the oil pipe 2 of directly welded transformer radiator, its structure is: seal cover 4 is lid-like, seal cover 4 be provided with by the suitable internal thread 5 of the mouth of pipe external screw thread 3 of the oil pipe 2 of the directly welded transformer radiator of shutoff, the capping 6 of seal cover 4 is closed, and is provided with sealing ring 7 in seal cover 4, after seal cover 4 is screwed into oil pipe 2, sealing ring 7 is between the end face and the capping 6 of seal cover 4 of oil pipe 2.Seal cover 4 is externally connected with handle 8, is externally connected with handle 8 at seal cover 4, uses, enhance productivity with the operation of handled easily work.Sealing ring 4 ensures the sealing of seal cover 4 shutoff oil pipe 2, the tapped Cup lid of similar of seal cover 4.During use, seal cover 4 is tightened oil inlet pipe, just can realize the sealing blocking of the oil pipe 2 of directly welded transformer radiator.The directly welded transformer radiator completing sealing blocking just can enter on acid washing phosphorization pond and carry out acid washing phosphorization, would not occur acid washing phosphorization Liquid Residue in transformer radiator, to ensure the quality of product.
In Fig. 1, Fig. 3 and Fig. 4, composition graphs 2, the utility model designs a kind of leak test inflation lid 9, and leak test inflation lid 9 is the seal cover of lid-like, its similar Fig. 2, and leak test inflates the seal cover of structure with Fig. 2 of internal thread 5, sealing ring 7 and handle 8 on lid 9.Be provided with the internal thread 5 suitable with oil pipe 2 external screw thread by the directly welded transformer radiator of leak test, the capping of leak test inflation lid 9 is provided with leak test valve 10 and the venting valve 11 of leak test, leak test valve 10 and venting valve 11 are respectively equipped with valve 12, sealing ring 7 is provided with in leak test inflation lid 9, after leak test inflation lid 8 is screwed into oil pipe 2, sealing ring 7 is between the end face and the capping of leak test inflation lid 9 of oil pipe 2.Be externally connected with handle 8 at leak test inflation lid 9, use with the operation of handled easily work, enhance productivity.
As shown in Figure 4, the utility model realizes the installation of leak test inflation lid easily, one oil pipe 2 of directly welded transformer radiator is screwed into leak test inflation lid 8, an other oil pipe 2 is screwed into above-mentioned seal cover 4, leak test gas is inflated by the leak test valve 10 of leak test inflation lid 8, just realizes the leak test of directly welded transformer radiator easily.When the leak test valve 10 of leak test gas by leak test inflation lid 8 is inflated, reach leak test air pressure, just can close the valve 12 of leak test valve 10.When needs are exitted time, the valve 12 can opening venting valve 11 is exitted.
Claims (6)
1. a structure for directly welded transformer radiator, comprise fin and lay respectively at the upper and lower two ends of fin be provided with oil pipe, oil pipe comprises oil inlet pipe and flowline, it is characterized in that the mouth of pipe of oil inlet pipe and flowline is provided with external screw thread.
2. a seal cover, it is characterized in that seal cover is lid-like, seal cover be provided with by the suitable internal thread of the oil tube external thread of the directly welded transformer radiator of shutoff, the capping of seal cover is closed, sealing ring is provided with in seal cover, after seal cover is screwed into oil pipe, sealing ring is between the end face and the capping of seal cover of oil pipe.
3. a kind of seal cover according to claim 2, is characterized in that above-mentioned seal cover is externally connected with handle.
4. a leak test inflation lid, it is characterized in that leak test inflation lid is lid-like, leak test inflation cover be provided with by the suitable internal thread of the oil tube external thread of the directly welded transformer radiator of leak test, the capping of leak test inflation lid is provided with the leak test valve of leak test, sealing ring is provided with in leak test inflation lid, after leak test inflation lid is screwed into oil pipe, sealing ring is between the end face and the capping of inflation lid of oil pipe.
5. a kind of leak test inflation lid according to claim 4, is characterized in that above-mentioned leak test inflation lid is externally connected with handle.
6. a kind of leak test inflation lid according to claim 4 or 5, it is characterized in that the venting valve that the capping of leak test inflation lid is also provided with, venting valve and leak test valve are respectively equipped with valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420510173.3U CN204130307U (en) | 2014-09-05 | 2014-09-05 | The structure of directly welded transformer radiator and leak test inflation are covered and seal cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420510173.3U CN204130307U (en) | 2014-09-05 | 2014-09-05 | The structure of directly welded transformer radiator and leak test inflation are covered and seal cover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204130307U true CN204130307U (en) | 2015-01-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420510173.3U Active CN204130307U (en) | 2014-09-05 | 2014-09-05 | The structure of directly welded transformer radiator and leak test inflation are covered and seal cover |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104282415A (en) * | 2014-09-05 | 2015-01-14 | 申达电气集团浙江换热器有限公司 | Structure of directly welded transformer heat sink, leakage test air filling cover and sealing cover |
-
2014
- 2014-09-05 CN CN201420510173.3U patent/CN204130307U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104282415A (en) * | 2014-09-05 | 2015-01-14 | 申达电气集团浙江换热器有限公司 | Structure of directly welded transformer heat sink, leakage test air filling cover and sealing cover |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |