CN203966781U - A kind of oil-filled transformer - Google Patents
A kind of oil-filled transformer Download PDFInfo
- Publication number
- CN203966781U CN203966781U CN201420358429.3U CN201420358429U CN203966781U CN 203966781 U CN203966781 U CN 203966781U CN 201420358429 U CN201420358429 U CN 201420358429U CN 203966781 U CN203966781 U CN 203966781U
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- CN
- China
- Prior art keywords
- iron core
- draw ring
- upper clamping
- clamping pieces
- opening draw
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses a kind of oil-filled transformer, aim to provide a kind of oil-filled transformer that can prevent the distortion of iron core folder, improve useful life, reduce use cost, its technical scheme main points are, comprise core assembly, fuel tank, described core assembly comprises iron core, iron core folder, securing member, described iron core folder comprises two iron core upper clamping pieces and two iron core lower clamping pieces, wherein two iron core upper clamping pieces lay respectively at the both sides of iron core upper end, and two iron core lower clamping pieces lay respectively at the both sides of iron core lower end; The two ends of this iron core upper clamping piece and iron core lower clamping piece are used respectively securing member to be fixedly connected with, it is characterized in that: described core assembly also comprises tie rod, the two ends of described tie rod are all connected with opening draw ring, the middle part of two iron core upper clamping pieces is equipped with the fixed head for construction opening draw ring, described opening draw ring is through corresponding fixed head and the adjusting nut that has been threaded, and described adjusting nut and fixed head are inconsistent.
Description
Technical field
The utility model relates to field transformer, and more particularly, it relates to a kind of oil-filled transformer.
Background technology
In modern society, transformer is one of visual plant in industrial and mining enterprises and civil buildings power supply-distribution system, in electric equipment and radio-circuit, transformer is commonly used for lifting voltage, matched impedance, safety isolation etc., classify according to methods for cooling, transformer can be divided into dry-type transformer and the large class of oil-filled transformer two.Oil-filled transformer, because fireproof needs, is generally arranged on independent transformer indoor or outdoors, has that cost is low, easy to maintenance, reliable operation, good heat dissipation, capability of overload is strong, feature widely conforms.
Existing oil-filled transformer is mainly made up of core assembly, winding, fuel tank, conservator, insulating sleeve, shunting switch and Buchholz relay etc., wherein core assembly comprises iron core, iron core folder, fastening bolt, described iron core folder comprises two iron core upper clamping pieces and two iron core lower clamping pieces, wherein two iron core upper clamping pieces lay respectively at the both sides of iron core upper end, and two iron core lower clamping pieces lay respectively at the both sides of iron core lower end; The two ends of this iron core upper clamping piece and iron core lower clamping piece are used respectively bolt to be fixedly connected with, make iron core folder fit tightly iron core, but use procedure, the distortion of outwards arching upward of the mid portion of iron core upper clamping piece and iron core lower clamping piece, make iron core folder can not fit tightly iron core, in transformer use procedure, can cause core slackness, produce noise, reduce iron core useful life, improve use cost.
Utility model content
The deficiency existing for prior art, the purpose of this utility model is to provide a kind of oil-filled transformer that can prevent the distortion of iron core folder, improves useful life, reduces use cost.
For achieving the above object, the utility model provides following technical scheme: a kind of oil-filled transformer, comprise core assembly and fuel tank, described core assembly comprises iron core, iron core folder, securing member, described iron core folder comprises two iron core upper clamping pieces and two iron core lower clamping pieces, wherein two iron core upper clamping pieces lay respectively at the both sides of iron core upper end, and two iron core lower clamping pieces lay respectively at the both sides of iron core lower end; The two ends of this iron core upper clamping piece and iron core lower clamping piece are used respectively securing member to be fixedly connected with, described core assembly also comprises tie rod, the two ends of described tie rod are all connected with opening draw ring, the middle part of two iron core upper clamping pieces is equipped with the fixed head for construction opening draw ring, described opening draw ring is through corresponding fixed head and the adjusting nut that has been threaded, and described adjusting nut and fixed head are inconsistent.
By adopting technique scheme, described tie rod is to be connected with fixed head by opening draw ring, its split shed draw ring is through corresponding fixed head and the adjusting nut that has been threaded, rotation adjusting nut can be strained tie rod, under tie rod effect, make the middle part under tension of two iron core upper clamping pieces, this pulling force can offset iron core upper clamping piece mid portion outwards arch upward distortion deformation force, can effectively avoid iron core upper clamping piece to deform, make iron core folder fit tightly iron core, can not produce noise, improve iron core useful life, reduce costs.
The utility model is further set to: described core assembly also comprises insulation board, and described insulation board is placed in tie rod below, and the two ends of described insulation board are inconsistent with iron core upper clamping piece respectively.
By adopting technique scheme, can prevent that opening draw ring from directly contacting with iron core, avoid opening draw ring and iron core mutually to conduct electricity.
The utility model is further set to: described opening draw ring is U-shaped shape opening draw ring, and the blind end of U-shaped shape opening draw ring is connected with tie rod, and the two ends of the openend of U-shaped shape opening draw ring is all through fixed head and the adjusting nut that has been threaded.
By adopting technique scheme, described opening draw ring is U-shaped shape opening draw ring, is convenient to manufacture, and reduces costs, the two ends of the openend of U-shaped shape opening draw ring, all through fixed head and the adjusting nut that has been threaded, makes U-shaped shape opening draw ring be connected with fixed head more firmly stable simultaneously.
The utility model is further set to: the quantity of described adjusting nut is two.
By adopting technique scheme, can prevent that adjusting nut from occurring loosening, make the adjusting nut fixed head of fitting all the time.
The utility model is further set to: two iron core upper clamping pieces are fixedly connected with boatswain chair, and the other end of the relative iron core upper clamping piece of described boatswain chair is provided with mounting hole.
By adopting technique scheme, hanger plate structure with hang the comparison of spiral shell structure, advantage is to have adjustability, when core assembly and fuel tank are installed, do not regulate core assembly height at needs, only lifting tool need be matched with boatswain chair, put on bolt, nut is without tightening, leave certain activity surplus, tighten again stop nut, core assembly steadily can be placed in fuel tank, situation that can run-off the straight.
Brief description of the drawings
Fig. 1 is the partial sectional view of a kind of oil-filled transformer of the utility model;
Fig. 2 is the vertical view of core assembly in Fig. 1;
Fig. 3 is the front view of core assembly in Fig. 1.
In figure 1, core assembly; 11, iron core; 12, iron core folder; 121, iron core upper clamping piece; 122, iron core lower clamping piece; 123, boatswain chair; 1231, mounting hole; 13, securing member; 14, tie rod; 15, opening draw ring; 16, fixed head; 17, adjusting nut; 18, insulation board; 2, fuel tank.
Embodiment
Referring to figs. 1 through Fig. 3, a kind of oil-filled transformer of the utility model is described further.
A kind of oil-filled transformer, comprise core assembly 1 and fuel tank 2, described core assembly 1 comprises iron core 11, iron core folder 12, 13 of this securing members of securing member 13(can bolt), described iron core folder 12 comprises two iron core upper clamping pieces 121 and two iron core lower clamping pieces 122, wherein two iron core upper clamping pieces 121 lay respectively at the both sides of iron core 11 upper ends, two iron core lower clamping pieces 122 lay respectively at the both sides of iron core 11 lower ends, the two ends of this iron core upper clamping piece 121 and iron core lower clamping piece 122 are used respectively securing member 13 to be fixedly connected with, make iron core folder 12 fit tightly iron core 11, and be fixed with nut.
Described core assembly 1 also comprises tie rod 14, this tie rod 14 adopts high-intensity material manufacture (such as nylon), improve tie rod 14 tensile properties, the two ends of described tie rod 14 are all connected with opening draw ring 15, the middle part of two iron core upper clamping pieces 121 is equipped with the fixed head 16 for construction opening draw ring 15, fixed head 16 can be fixed by welding on iron core upper clamping piece 121, described opening draw ring 15 is through corresponding fixed head 16 and the adjusting nut 17 that has been threaded, described adjusting nut 17 is inconsistent with fixed head 16, the quantity of wherein said adjusting nut 17 is two, can prevent that adjusting nut 17 from occurring loosening, make adjusting nut 17 fixed head 16 of fitting all the time.
Described tie rod 14 is to be connected with fixed head 16 by opening draw ring 15, its split shed draw ring 15 is through corresponding fixed head 16 and the adjusting nut 17 that has been threaded, rotation adjusting nut 17 can be strained tie rod 14, under tie rod 14 effects, make the middle part under tension of two iron core upper clamping pieces 121, this pulling force can offset iron core upper clamping piece 121 mid portions outwards arch upward distortion deformation force, can effectively avoid iron core upper clamping piece 121 to deform, make iron core folder 12 fit tightly iron core 11, can not produce noise, improve 11 useful lifes of iron core, reduce costs.
Described core assembly 1 also comprises insulation board 18, described insulation board 18 is placed in tie rod 14 belows, the two ends of described insulation board 18 are inconsistent with iron core upper clamping piece 121 respectively, can prevent that opening draw ring 15 from directly contacting with iron core 11, avoid opening draw ring 15 and iron core 11 mutually to conduct electricity.
Described opening draw ring 15 is U-shaped shape opening draw ring 15, the blind end of U-shaped shape opening draw ring 15 is connected with tie rod 14, the two ends of the openend of U-shaped shape opening draw ring 15 is all through fixed head 16 and the adjusting nut 17 that has been threaded, described opening draw ring 15 is U-shaped shape opening draw ring 15, be convenient to manufacture, reduce costs, the two ends of the openend of U-shaped shape opening draw ring 15, all through fixed head 16 and the adjusting nut 17 that has been threaded, makes U-shaped shape opening draw ring 15 be connected with fixed head 16 more firmly stable simultaneously.
Two iron core upper clamping pieces 121 are fixedly connected with boatswain chair 123, the other end of described boatswain chair 123 relative iron core upper clamping pieces 121 is provided with mounting hole 1231, boatswain chair 123 structures with hang the comparison of spiral shell structure, advantage is to have adjustability, when core assembly 1 and fuel tank 2 are installed, do not regulate core assembly 1 height at needs, only lifting tool need be matched with boatswain chair 123, put on bolt, nut, without tightening, leaves certain activity surplus, then tightens stop nut, core assembly 1 steadily can be placed in fuel tank 2 to situation that can run-off the straight.
Claims (5)
1. an oil-filled transformer, comprise core assembly, fuel tank, described core assembly comprises iron core, iron core folder, securing member, described iron core folder comprises two iron core upper clamping pieces and two iron core lower clamping pieces, wherein two iron core upper clamping pieces lay respectively at the both sides of iron core upper end, and two iron core lower clamping pieces lay respectively at the both sides of iron core lower end; The two ends of this iron core upper clamping piece and iron core lower clamping piece are used respectively securing member to be fixedly connected with, it is characterized in that: described core assembly also comprises tie rod, the two ends of described tie rod are all connected with opening draw ring, the middle part of two iron core upper clamping pieces is equipped with the fixed head for construction opening draw ring, described opening draw ring is through corresponding fixed head and the adjusting nut that has been threaded, and described adjusting nut and fixed head are inconsistent.
2. a kind of oil-filled transformer according to claim 1, is characterized in that: described core assembly also comprises insulation board, and described insulation board is placed in tie rod below, and the two ends of described insulation board are inconsistent with iron core upper clamping piece respectively.
3. a kind of oil-filled transformer according to claim 1 and 2, it is characterized in that: described opening draw ring is U-shaped shape opening draw ring, the blind end of U-shaped shape opening draw ring is connected with tie rod, and the two ends of the openend of U-shaped shape opening draw ring is all through fixed head and the adjusting nut that has been threaded.
4. a kind of oil-filled transformer according to claim 3, is characterized in that: the quantity of described adjusting nut is two.
5. a kind of oil-filled transformer according to claim 1 and 2, is characterized in that: two iron core upper clamping pieces are fixedly connected with boatswain chair, and the other end of the relative iron core upper clamping piece of described boatswain chair is provided with mounting hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420358429.3U CN203966781U (en) | 2014-06-30 | 2014-06-30 | A kind of oil-filled transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420358429.3U CN203966781U (en) | 2014-06-30 | 2014-06-30 | A kind of oil-filled transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203966781U true CN203966781U (en) | 2014-11-26 |
Family
ID=51927334
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420358429.3U Expired - Fee Related CN203966781U (en) | 2014-06-30 | 2014-06-30 | A kind of oil-filled transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203966781U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105989998A (en) * | 2015-03-02 | 2016-10-05 | 江西变电设备有限公司 | High-overload high-temperature-resistant oil-immersed transformer |
| CN106057441A (en) * | 2016-08-18 | 2016-10-26 | 吴江变压器有限公司 | Oil-immersed transformer body reinforcement structure capable of enhancing short-circuit withstand ability |
| CN111834099A (en) * | 2019-04-22 | 2020-10-27 | 深圳市德光变压器有限公司 | Fixing structure and fixing method of transformer iron core |
-
2014
- 2014-06-30 CN CN201420358429.3U patent/CN203966781U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105989998A (en) * | 2015-03-02 | 2016-10-05 | 江西变电设备有限公司 | High-overload high-temperature-resistant oil-immersed transformer |
| CN106057441A (en) * | 2016-08-18 | 2016-10-26 | 吴江变压器有限公司 | Oil-immersed transformer body reinforcement structure capable of enhancing short-circuit withstand ability |
| CN111834099A (en) * | 2019-04-22 | 2020-10-27 | 深圳市德光变压器有限公司 | Fixing structure and fixing method of transformer iron core |
| CN111834099B (en) * | 2019-04-22 | 2023-07-04 | 深圳市德光变压器有限公司 | Fixing structure and fixing method of transformer iron core |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141126 Termination date: 20170630 |