CN202695084U - Three-dimensional wound core dry-type transformer clamp - Google Patents
Three-dimensional wound core dry-type transformer clamp Download PDFInfo
- Publication number
- CN202695084U CN202695084U CN 201220319304 CN201220319304U CN202695084U CN 202695084 U CN202695084 U CN 202695084U CN 201220319304 CN201220319304 CN 201220319304 CN 201220319304 U CN201220319304 U CN 201220319304U CN 202695084 U CN202695084 U CN 202695084U
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- Prior art keywords
- clamping piece
- clamp
- transformer
- wound core
- dimensional wound
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- Expired - Lifetime
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- Coils Of Transformers For General Uses (AREA)
Abstract
The utility model discloses a three-dimensional wound core dry-type transformer clamp and belongs to the technical field of devices for fastening transformer cores together. The three-dimensional wound core dry-type transformer clamp comprises an upper clamp and a lower clamp, wherein the outer side of a frame of the upper and lower clamps is provided with a plurality of upper and lower corresponding pressing plates; upper and lower pressing pieces are arranged between the upper and lower clamps; the upper and lower pressing pieces are connected together through a central tensioning screw and a pressing nut; the upper and lower clamps are connected together through six pulling plates; every two pulling plates are connected with a side plate which corresponds to the upper and lower clamps and are contacted with an outer side face of a wound transformer core; and a pressing bolt is arranged on the pressing plate on the upper clamp or the lower clamp. The tensioning device of the three-dimensional wound core dry-type transformer clamp is fewer in overall materials, the construction cost is low, and the transformer coil has good heat dissipation.
Description
Technical field
The utility model relates to the device that transformer core is tightened together, espespecially a kind of three-dimensional wound core dry type transformer clamp.
Background technology
Three-phase stereo spiral iron core transformer in the market is the lower novel high-performance transformer of a kind of more reasonable structure, more excellent performance and manufacturing cost.The large-scale popularization of this transformer is used will save a large amount of energy and material, and economic benefit is very remarkable.Its advantage:
1, the three-phase stereo volume is unshakable in one's determination reels closely, and its activity coefficient is increased.
2, little, the no-load loss of three-phase stereo volume three-phase magnetic circuit full symmetric, magnetic resistance and exciting current unshakable in one's determination and noise level are low.
3, save material cost.
But in the assembling of three-phase stereo spiral iron core transformer and running as can not effectively protect its iron core, performance unshakable in one's determination is affected.Protect three-dimensional coiled core dry-type with folder at present; see that the patent No. is 200820189290.9; name is called " three-dimensional wound core dry type transformer clamp "; this folder comprises the upper and lower folder of the positive triangle-frame shape that is welded into by steel; upper and lower folder is linked together by at least three stretching screws; the framework outside of upper and lower casting die is provided with several corresponding up and down pressing plates; be respectively equipped with upper and lower casting die in the inner chamber of upper and lower folder, upper and lower casting die links together by a center stretching screw and clamp nut.
During use, lower clamping piece is positioned on the transformer base, place three-phase stereo spiral iron core transformer on the transformer base, by adjusting the stretching screw between the upper and lower casting die, pressing plate corresponding on the upper and lower casting die is compressed the outside iron yoke cushion block of transformer coil upper and lower end, by regulating the center stretching screw, upper and lower casting die is compressed the inside iron yoke cushion block of transformer upper and lower end, coil is namely compressed by this folder like this.But there is following problem in existing folder:
1, the stretching screw between the upper and lower folder of connection is positioned at the outside of coil position, because the insulation distance between stretching screw and the coil is less, clamping screw need to be done reinforced insulation and process, so not only increase operation but also increased the use of insulating material, and because in this clamping screw of coil position and stopping of strutting piece thereof, make the coil heat radiation of transformer be subject to certain impact, make radiating effect poor.
2, the folder cost of this structure is higher.
The utility model content
The purpose of this utility model is to provide a kind of three-dimensional wound core dry type transformer clamp, and its integral body is few with material, cost is low and make the coil good heat dissipation of transformer.
To achieve these goals, technical solution of the present utility model is: a kind of three-dimensional wound core dry type transformer clamp, comprise, lower clamping piece, on described, the framework outside of lower clamping piece is provided with several up and down pressing plates of correspondence, on described, be provided with between the lower clamping piece, piece under pressure, on described, piece under pressure links together by center stretching screw and clamp nut, on wherein said, lower clamping piece links together by six arm-ties, per two described arm-ties and upper, the side plate that lower clamping piece is corresponding connects, and a lateral surface unshakable in one's determination with the transformer volume contacts, and the pressing plate on described upper clamping piece or the lower clamping piece is provided with housing screw.
The utility model three-dimensional wound core dry type transformer clamp, wherein said upper and lower casting die is made of three first and second side plates respectively, described upper and lower casting die all is the Y type, the angle that reaches between adjacent two described the first side plates between adjacent two described the second side plates is 120 degree, and the upper and lower end of described center stretching screw passes respectively the center of upper and lower casting die.
The utility model three-dimensional wound core dry type transformer clamp, wherein three described the second side plate upper surfaces are respectively equipped with locating pin, and the end of three described the second side plates is welded in respectively set on the transformer base three above the bracing frame.
The utility model three-dimensional wound core dry type transformer clamp, wherein said upper clamping piece comprises three the first connecting plates, be provided with a boatswain chair between adjacent two described the first connecting plates, each described boatswain chair is connected and fixed by bolt and adjacent two the first connecting plates, described lower clamping piece comprises three the second connecting plates, be provided with a lower boatswain chair between adjacent two described the second connecting plates, each described lower boatswain chair is connected and fixed by bolt and adjacent two the second connecting plates.
After adopting such scheme, the utility model three-dimensional wound core dry type transformer clamp adopts arm-tie to connect upper and lower clamping structure, three stretching screws that are placed on the outer alternate position of winding of three dimensional wound core transformer have been removed, avoided the insulation processing to this screw rod, and the problem that has greatly reduced the insulation processing between itself and the lead-in wire, avoid certain hidden danger of quality and reduced the insulating material consumption and the whole material of using of folder, reduced cost, and since in the alternate position of exterior loop without any obstacle, improved the radiating effect of coil.
Description of drawings
Fig. 1 is the stereogram of the utility model three-dimensional wound core dry type transformer clamp take-up device;
Fig. 2 is the stereogram that the utility model three-dimensional wound core dry type transformer clamp take-up device is equipped with transformer core.
Below in conjunction with accompanying drawing, by embodiment the utility model is described further;
Embodiment
As depicted in figs. 1 and 2, the utility model three-dimensional wound core dry type transformer clamp take-up device comprises upper clamping piece 1 and lower clamping piece 2.
Upper clamping piece 1 comprises three the first connecting plates 15, is provided with a boatswain chair 17 between adjacent two the first connecting plates 15, and each boatswain chair 17 is connected and fixed by bolt and adjacent two the first connecting plates 15.Be processed with lifting hole(eyelet) on this boatswain chair 17, be used for the lifting transformer.The bulk strength of the upper clamping piece 1 of design can improve and be easy to process like this.
Lower clamping piece 2 comprises three the second connecting plates 16.Be provided with a lower boatswain chair 18 between adjacent two the second connecting plates 16, each time boatswain chair 18 is connected and fixed by bolt and adjacent two the second connecting plates 16.It is used that lower boatswain chair 17 is used for the lifting transformer.The bulk strength of the lower clamping piece 2 of design can improve and be easy to process like this.
Upper clamping piece 1 and lower clamping piece 2 weld together by six arm-ties 8.Per two arm-ties 8 are connected with first connecting plate 15 of upper clamping piece 1, second connecting plate 16 of lower clamping piece 2, and it is corresponding up and down that this first connecting plate 15 and the second connecting plate 16 are.These two arm-ties 8 contact with a lateral surface of the volume iron core 19 of transformer.The volume of arm-tie 8 positions 19 Surface Machining unshakable in one's determination are the plane, in order to arm-tie 8 is steadily placed.Three the second connecting plates outsides of three the first connecting plate 15 outsides of upper clamping piece 1 and lower clamping piece 2 are up and down, and correspondence is processed with several pressing plates 9.Connect a housing screw 10 on the pressing plate 9 on three the first connecting plates 15.
Be provided with casting die 3 and piece under pressure 4 between upper clamping piece 1 and the lower clamping piece 2.Upper casting die 3 and piece under pressure 4 link together by center stretching screw 5 and clamp nut 6.
Upper casting die 3 and piece under pressure 4 all are the Y type, and upper casting die 3 is made of three the first side plates 11.Piece under pressure 4 is made of three the second side plates 12.Angle between adjacent two the first side plates 11, between adjacent two the second side plates 12 all is 120 degree.The upper surface of three the second side plates 12 is processed with respectively locating pin 13, and locating pin 13 is used for compressing the inside iron yoke cushion block of transformer coil lower end.The end of three the second side plates 12 is welded in respectively above three bracing frames 14 on the transformer base 20.The upper and lower end of center stretching screw 5 passes respectively the center of casting die 3 and the center of piece under pressure 4.
During use, lower clamping piece 2 is positioned on the transformer base 20, make projection 13 on three the second side plates 12 of piece under pressure 4 be against respectively the inside iron yoke cushion block lower surface of transformer coil lower end, by regulating center stretching screw 5 and pressing spiral shell nut 6, the lower surface of three the first side plates 11 of top board 3 is pressed in respectively above the inside iron yoke cushion block of transformer coil upper end; And then the housing screw 10 on fastening each pressing plate 9, make each pressing plate 9 outside iron yoke cushion block of coil pressing upper and lower ends respectively on each housing screw 10 and the lower clamping piece 2, like this coil inside and outside compacted and stressed evenly, can well support the volume iron core.
The utility model three-dimensional wound core dry type transformer clamp adopts arm-tie to connect upper clamping piece 1 and lower clamping piece 2, three stretching screws that are placed on the outer alternate position of winding of transformer have been removed, avoided the insulation processing to this screw rod, greatly reduced the insulation processing problem between itself and the lead-in wire, avoid certain hidden danger of quality and reduced the insulating material consumption and the whole material of using of folder, reduced cost, and since in the alternate position of exterior loop without any obstacle, improved the radiating effect of coil.
Above-described embodiment is described preferred implementation of the present utility model; be not that scope of the present utility model is limited; under the prerequisite that does not break away from the utility model design spirit; various distortion and improvement that the common engineers and technicians in this area make the technical solution of the utility model all should fall in the definite protection range of claims of the present utility model.
Claims (4)
1. three-dimensional wound core dry type transformer clamp, comprise, lower clamping piece (1,2), on described, lower clamping piece (1,2) the framework outside is provided with several up and down pressing plates (9) of correspondence, on described, lower clamping piece (1,2) be provided with between, piece under pressure (3,4), on described, piece under pressure (3,4) link together by center stretching screw (5) and clamp nut (6), it is characterized in that: on described, lower clamping piece (1,2) links together by six arm-ties (8), per two described arm-ties (8) are with upper, lower clamping piece (1,2) a corresponding side plate connects, and contacts with a lateral surface of transformer volume iron core, and the pressing plate (9) on described upper clamping piece (1) or the lower clamping piece (2) is provided with housing screw (10).
2. three-dimensional wound core dry type transformer clamp as claimed in claim 1, it is characterized in that: described upper and lower casting die (3,4) respectively by three first and second side plates (11,12) consist of, described upper and lower casting die (3,4) all be the Y type, the angle that reaches between adjacent two described the first side plates (11) between adjacent two described the second side plates (12) is 120 degree, the upper and lower end of described center stretching screw (5) passes respectively the center of upper and lower casting die (3,4).
3. three-dimensional wound core dry type transformer clamp as claimed in claim 2, it is characterized in that: three described the second side plates (12) upper surface is respectively equipped with locating pin (13), and the end of three described the second side plates (12) is welded in respectively above upper set three bracing frames (14) of transformer base (20).
4. such as the described three-dimensional wound core dry type transformer clamp of one of claim 1-3, it is characterized in that: described upper clamping piece (1) comprises three the first connecting plates (15), be provided with a boatswain chair (17) between adjacent two described the first connecting plates (15), each described boatswain chair (17) is connected and fixed by bolt and adjacent two the first connecting plates (15), described lower clamping piece (2) comprises three the second connecting plates (16), be provided with a lower boatswain chair (18) between adjacent two described the second connecting plates (16), each described lower boatswain chair (18) is connected and fixed by bolt and adjacent two the second connecting plates (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220319304 CN202695084U (en) | 2012-07-02 | 2012-07-02 | Three-dimensional wound core dry-type transformer clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220319304 CN202695084U (en) | 2012-07-02 | 2012-07-02 | Three-dimensional wound core dry-type transformer clamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202695084U true CN202695084U (en) | 2013-01-23 |
Family
ID=47550666
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220319304 Expired - Lifetime CN202695084U (en) | 2012-07-02 | 2012-07-02 | Three-dimensional wound core dry-type transformer clamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202695084U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104599824A (en) * | 2015-01-15 | 2015-05-06 | 安徽省神虹变压器股份有限公司 | Fastening device of device body of three-dimensional reel iron core transformer |
| CN106024324A (en) * | 2016-07-27 | 2016-10-12 | 海鸿电气有限公司 | Assembled type clamp of three-dimensional wound core transformer |
| CN108010684A (en) * | 2016-10-28 | 2018-05-08 | 上海置信电气非晶有限公司 | A kind of three dimensional wound core transformer draws screw-rod structure |
-
2012
- 2012-07-02 CN CN 201220319304 patent/CN202695084U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104599824A (en) * | 2015-01-15 | 2015-05-06 | 安徽省神虹变压器股份有限公司 | Fastening device of device body of three-dimensional reel iron core transformer |
| CN106024324A (en) * | 2016-07-27 | 2016-10-12 | 海鸿电气有限公司 | Assembled type clamp of three-dimensional wound core transformer |
| CN108010684A (en) * | 2016-10-28 | 2018-05-08 | 上海置信电气非晶有限公司 | A kind of three dimensional wound core transformer draws screw-rod structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180403 Address after: Room 182, seat A, No. 18, 18 West Ring Road, Beijing economic and Technological Development Zone, Beijing Patentee after: Beijing Xinte Electrical Co.,Ltd. Address before: 100025 No. 1, building 6, No. 106, Chaoyang District, Beijing, Qingnian Road Patentee before: NEWONDER SPECIAL ELECTRIC Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130123 |
|
| CX01 | Expiry of patent term |