CN106098353A - A kind of Transformer Winding hold down gag - Google Patents
A kind of Transformer Winding hold down gag Download PDFInfo
- Publication number
- CN106098353A CN106098353A CN201610680742.2A CN201610680742A CN106098353A CN 106098353 A CN106098353 A CN 106098353A CN 201610680742 A CN201610680742 A CN 201610680742A CN 106098353 A CN106098353 A CN 106098353A
- Authority
- CN
- China
- Prior art keywords
- briquetting
- horizontal support
- upper supporting
- support plate
- supporting piece
- Prior art date
- 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.)
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
- H01F41/02—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets
- H01F41/04—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets for manufacturing coils
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/28—Coils; Windings; Conductive connections
- H01F27/30—Fastening or clamping coils, windings, or parts thereof together; Fastening or mounting coils or windings on core, casing, or other support
- H01F27/306—Fastening or mounting coils or windings on core, casing or other support
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Coils Of Transformers For General Uses (AREA)
Abstract
The invention discloses a kind of Transformer Winding hold down gag, including winding pressing plate, upper supporting piece and holding down assembly, hold down assembly and include briquetting, adjust cardboard, insulated bolt and oil hydraulic cylinder, winding pressing plate is arranged in Transformer Winding, upper supporting piece has board-like folder and horizontal support plate, hold down assembly the lower section of the horizontal support plate being arranged on upper supporting piece, briquetting is arranged on above winding pressing plate, the horizontal support plate of upper supporting piece is arranged at the top of briquetting, adjust between horizontal support plate and the briquetting that cardboard is arranged at upper supporting piece, insulated bolt sequentially passes through horizontal support plate from top to bottom, adjust cardboard and briquetting, it is respectively provided with arc notch on briquetting and adjustment cardboard, the arc notch of the arc notch of briquetting and adjustment cardboard is collectively forming receiving chamber, described oil hydraulic cylinder is arranged in this receiving chamber.Present invention can ensure that the uniformity effectively compressing and compressing to Transformer Winding, and the setting of structure can also reduce the demand to working place.
Description
Technical field
The present invention relates to transformer technology field, particularly to a kind of Transformer Winding hold down gag.
Background technology
The axial compression of large-scale power transformer winding is to improve the anti-sudden short circuit ability very important of transformator
Individual factor.On structure designs, the hold down gag of Transformer Winding to realize effectiveness and the uniformity of axial compression as far as possible, and
Want adjust height easily to compensate foozle.Hold down gag of the prior art typically uses nail pressing structure or briquetting knot
Transformer Winding is compressed by structure.Structure shown in Fig. 1 is traditional nail pressing structure, and the lower end of this nail pressing has nail pressing pad
Circle, is provided with metal material in nail pressing packing ring.This nail pressing is arranged in hold down gag, realizes transformator by tightening this nail pressing
The compression of coil windings.Owing to nail pressing bead interior is provided with metal material, for ensureing the insulation distance to high-voltage connection, nail pressing pad
The diameter of circle can not be too big, so it is less to compress area, and the lack of homogeneity of axial compression.And, nail pressing and the system of nail pressing packing ring
Make relative complex, relatively costly.It addition, briquette structure used in the prior art is also it cannot be guaranteed that to Transformer Winding axle
To the effectiveness compressed and uniformity, compress effect undesirable.
Summary of the invention
For solving above-mentioned technical problem, it is an object of the invention to provide a kind of Transformer Winding hold down gag, Ke Yibao
Card carries out effectiveness and the uniformity of axial compression to Transformer Winding.
For realizing above-mentioned technical purpose, reaching above-mentioned technique effect, the present invention is achieved through the following technical solutions: Yi Zhongbian
Depressor winding hold down gag, including winding pressing plate, upper supporting piece with hold down assembly, holding down assembly includes briquetting, adjusts cardboard, absolutely
Edge bolt and oil hydraulic cylinder, described winding pressing plate is arranged in Transformer Winding, and described upper supporting piece has board-like folder with vertical
It is arranged at the horizontal support plate of board-like folder side, the lower section of the horizontal support plate being arranged on upper supporting piece that holds down assembly, described briquetting
Being arranged on described winding pressing plate, the horizontal support plate of upper supporting piece is arranged at the top of briquetting, adjusts cardboard and is arranged at support
Between horizontal support plate and the briquetting of part, insulated bolt sequentially passes through horizontal support plate from top to bottom, adjusts cardboard and briquetting, described pressure
Being respectively provided with arc notch on block and adjustment cardboard, the arc notch of the arc notch of briquetting and adjustment cardboard is collectively forming receiving
Chamber, described oil hydraulic cylinder is arranged in this receiving chamber.
Further, horizontal support plate is at position and the board-like folder corresponding to briquetting and the arc notch adjusting cardboard
Between be provided with reinforcement.
Further, the horizontal support plate of upper supporting piece is provided with the screwed hole locked for insulated bolt, adjust cardboard and
Briquetting is provided with the unthreaded hole penetrated for insulated bolt.
Further, the quantity of upper supporting piece is two, and these two upper supporting pieces are relative to Transformer Winding symmetrically
Arranging, the side of the board-like folder of each upper supporting piece is provided with two horizontal support plates, being respectively arranged below with of each horizontal support plate
One group holds down assembly.
Further, described briquetting is made up of lamination wood or laminated paper board.
Further, the arc notch of the arc notch of briquetting and adjustment cardboard is angularly disposed relative to horizontal line.
The invention has the beneficial effects as follows: the present invention uses briquetting, adjusts the cooperation of cardboard, insulated bolt and oil hydraulic cylinder to change
Depressor winding compresses, and compresses area big, and is equipped with arc notch on briquetting and adjustment cardboard, and oil hydraulic cylinder is arranged at pressure
In the receiving chamber that the arc notch of block and adjustment cardboard is formed, thus oil hydraulic cylinder and briquetting are in same position when compressing
Putting, after oil hydraulic cylinder pressurization, the deformation of winding warped platen is the least, and after pressurization, the spatial altitude size that oil hydraulic cylinder and briquetting are formed exists
In the length range of briquetting consistent, briquetting pressurized is the most uniform, it is ensured that to Transformer Winding effectively compress and compress equal
Even property.It addition, oil hydraulic cylinder is arranged in the receiving chamber of arc notch formation of briquetting and adjustment cardboard, thus oil hydraulic cylinder and briquetting
It is in same installation site, decreases the demand to working place.Adjust arranging of cardboard can situation about compressing be adjusted
Whole, it is ensured that the reliability of compression.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention.
Fig. 2 is the top view of Fig. 1.
Detailed description of the invention
Below in conjunction with the accompanying drawings presently preferred embodiments of the present invention is described in detail, so that advantages and features of the invention energy
It is easier to be readily appreciated by one skilled in the art, thus protection scope of the present invention is made apparent clear and definite defining.
As depicted in figs. 1 and 2, a kind of Transformer Winding hold down gag, including winding pressing plate 1, upper supporting piece 2 and compression group
Part, holding down assembly includes briquetting 3, adjusts cardboard 4, insulated bolt 5 and oil hydraulic cylinder 6, described winding pressing plate 1 be arranged on transformator around
In group, described upper supporting piece 2 has board-like folder 21 and is vertically installed in the horizontal support plate 22 of board-like folder 21 side, compression group
Part is arranged on the lower section of the horizontal support plate 22 of upper supporting piece 2, and described briquetting 3 is arranged on described winding pressing plate 1, upper supporting piece 2
Horizontal support plate 22 be arranged at the top of briquetting 3, adjust cardboard 4 be arranged at the horizontal support plate 22 of upper supporting piece 2 and briquetting 3 it
Between.The horizontal support plate 22 of upper supporting piece 2 is provided with the screwed hole locked for insulated bolt 5, adjusts and sets on cardboard 4 and briquetting 3
There is the unthreaded hole penetrated for insulated bolt 5.Insulated bolt 5 sequentially passes through the screwed hole of horizontal support plate 22 from top to bottom, adjusts paper
Unthreaded hole on plate 4 and the unthreaded hole on briquetting 3.It is respectively provided with arc notch 7, the arc of briquetting 3 on described briquetting 3 and adjustment cardboard 4
The arc notch of breach and adjustment cardboard 4 is collectively forming receiving chamber, and described oil hydraulic cylinder 6 is arranged in this receiving chamber.The arc of briquetting 3
V notch v and the arc notch adjusting cardboard 4 are angularly disposed relative to horizontal line.Week is depended at the angle of inclination of arc notch
The layout of closed structure, it is necessary to assure after completing to compress, oil hydraulic cylinder 6 can be easily removed.
Horizontal support plate 22 corresponding to briquetting 3 and the arc notch adjusting both cardboards 4 position and board-like folder 21 it
Between be provided with reinforcement 23.Reinforcement 23 is arranged on the position corresponding with arc notch, it is ensured that the horizontal support plate of upper supporting piece 2
22 do not deform.
Furtherly, the quantity of upper supporting piece 2 is two, and these two upper supporting pieces 2 are right relative to Transformer Winding
Claiming to arrange, be i.e. symmetrical set relative to the axial line of winding pressing plate, the side of the board-like folder 21 of each upper supporting piece 1 is provided with
Two horizontal support plates, being respectively arranged below with a group and hold down assembly of each horizontal support plate 22.
In the present invention, briquetting 3 is by being laminated wooden one-tenth, will not reduce insulation distance, it is ensured that sufficiently large compression
Area, it is achieved Transformer Winding uniformly and is reliably compressed.
During work, oil hydraulic cylinder 6 is positioned on winding pressing plate 1, starts oil hydraulic cylinder 6, by winding pressing plate 1 to winding pressing plate
The Transformer Winding of lower section is pressurizeed, and when being pressurized to authorized pressure, is put into by briquetting 3, make the arc notch 7 of briquetting 3 with
Oil hydraulic cylinder 6 coordinates, and is inserted into suitably adjusting cardboard 4 between the horizontal support plate 22 of upper supporting piece 2 and briquetting 3 the most again.So
After, remove oil hydraulic cylinder 6, insulated bolt 5 is screwed in the screwed hole of horizontal support plate 22 of upper supporting piece 2, and down through adjustment
The unthreaded hole of cardboard 4 and the unthreaded hole of briquetting 3, complete the compression to Transformer Winding.
The present invention uses the cooperation of briquetting 3, adjustment cardboard 4, insulated bolt 5 and oil hydraulic cylinder 6 to press Transformer Winding
Tightly, compressing area big, and be equipped with arc notch 7 on briquetting 3 and adjustment cardboard 4, oil hydraulic cylinder 6 is arranged at briquetting 3 and adjusts
In the receiving chamber that the arc notch of both cardboards 4 is formed, thus oil hydraulic cylinder 6 and briquetting 3 are in same position when compressing, oil
After cylinder pressure 6 pressurization, the deformation of winding warped platen is the least, and after pressurization, the spatial altitude size that oil hydraulic cylinder 6 and briquetting 3 are formed exists
In the length range of briquetting consistent, briquetting pressurized is the most uniform, it is ensured that to Transformer Winding effectively compress and compress equal
Even property.It addition, oil hydraulic cylinder 6 is arranged in the receiving chamber of arc notch formation of briquetting 3 and adjustment cardboard 4, thus oil hydraulic cylinder 6 He
Briquetting 3 is in same installation site, decreases the demand to working place.Adjusting arranging of cardboard 4 can be to situation about compressing
It is adjusted, it is ensured that the reliability of compression.
The foregoing is only embodiments of the invention, not thereby limit the scope of the claims of the present invention, every utilize this
Equivalent structure or equivalence flow process that bright description and accompanying drawing content are made convert, or are directly or indirectly used in other relevant skills
Art field, is the most in like manner included in the scope of patent protection of the present invention.
Claims (6)
1. a Transformer Winding hold down gag, it is characterised in that: include winding pressing plate, upper supporting piece and hold down assembly, compressing
Assembly includes briquetting, adjusts cardboard, insulated bolt and oil hydraulic cylinder, and described winding pressing plate is arranged in Transformer Winding, described on
Support member has board-like folder and is vertically installed in the horizontal support plate of board-like folder side, holds down assembly and is arranged on upper supporting piece
The lower section of horizontal support plate, described briquetting is arranged on described winding pressing plate, and the horizontal support plate of upper supporting piece is arranged at the upper of briquetting
Side, adjusts between horizontal support plate and the briquetting that cardboard is arranged at upper supporting piece, and insulated bolt sequentially passes through level from top to bottom and props up
It is respectively provided with arc notch, the arc notch of briquetting and adjustment cardboard on plate, adjustment cardboard and briquetting, described briquetting and adjustment cardboard
Arc notch be collectively forming receiving chamber, described oil hydraulic cylinder is arranged in this receiving chamber.
Transformer Winding hold down gag the most according to claim 1, it is characterised in that: horizontal support plate corresponding to briquetting and
It is provided with reinforcement between position and the board-like folder of the arc notch adjusting both cardboards.
Transformer Winding hold down gag the most according to claim 1, it is characterised in that: set on the horizontal support plate of upper supporting piece
There is the screwed hole locked for insulated bolt, adjust cardboard and briquetting is provided with the unthreaded hole penetrated for insulated bolt.
Transformer Winding hold down gag the most according to claim 1, it is characterised in that: the quantity of upper supporting piece is two,
And these two upper supporting pieces are symmetrical set relative to Transformer Winding, the side of the board-like folder of each upper supporting piece is provided with two
Individual horizontal support plate, being respectively arranged below with a group and hold down assembly of each horizontal support plate.
Transformer Winding hold down gag the most according to claim 1, it is characterised in that: described briquetting is by lamination wood or layer
Pressboard is made.
Transformer Winding hold down gag the most according to claim 1, it is characterised in that: the arc notch of briquetting and adjustment paper
The arc notch of plate is angularly disposed relative to horizontal line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610680742.2A CN106098353B (en) | 2016-08-18 | 2016-08-18 | A kind of Transformer Winding pressing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610680742.2A CN106098353B (en) | 2016-08-18 | 2016-08-18 | A kind of Transformer Winding pressing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106098353A true CN106098353A (en) | 2016-11-09 |
| CN106098353B CN106098353B (en) | 2017-12-01 |
Family
ID=58069534
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610680742.2A Active CN106098353B (en) | 2016-08-18 | 2016-08-18 | A kind of Transformer Winding pressing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106098353B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108534933A (en) * | 2018-03-27 | 2018-09-14 | 国网河北省电力有限公司电力科学研究院 | Transformer winding monitoring device |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58114412A (en) * | 1981-12-23 | 1983-07-07 | トランスフオルマト−レン・ウニオン・アクチエンゲゼルシヤフト | Retaining frame for transformer coil |
| US4404740A (en) * | 1979-08-09 | 1983-09-20 | Asea Aktiebolag | Method for mounting a winding in a transformer |
| CN201112092Y (en) * | 2007-09-11 | 2008-09-10 | 中电电气集团有限公司 | Non-encapsulated dry-type transformer coil axial direction pressing device |
| CN201770185U (en) * | 2010-06-07 | 2011-03-23 | 中国西电电气股份有限公司 | Transformer coil transport tank |
| CN203325669U (en) * | 2013-07-02 | 2013-12-04 | 山东省金曼克电气集团股份有限公司 | Elastic compressing device for coil of dry-type transformer |
| CN204155753U (en) * | 2014-10-11 | 2015-02-11 | 海鸿电气有限公司 | The compression shaping device of 110kV and above three dimensional wound core transformer |
| CN205900302U (en) * | 2016-08-18 | 2017-01-18 | 吴江变压器有限公司 | Transformer winding compression device |
-
2016
- 2016-08-18 CN CN201610680742.2A patent/CN106098353B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4404740A (en) * | 1979-08-09 | 1983-09-20 | Asea Aktiebolag | Method for mounting a winding in a transformer |
| JPS58114412A (en) * | 1981-12-23 | 1983-07-07 | トランスフオルマト−レン・ウニオン・アクチエンゲゼルシヤフト | Retaining frame for transformer coil |
| CN201112092Y (en) * | 2007-09-11 | 2008-09-10 | 中电电气集团有限公司 | Non-encapsulated dry-type transformer coil axial direction pressing device |
| CN201770185U (en) * | 2010-06-07 | 2011-03-23 | 中国西电电气股份有限公司 | Transformer coil transport tank |
| CN203325669U (en) * | 2013-07-02 | 2013-12-04 | 山东省金曼克电气集团股份有限公司 | Elastic compressing device for coil of dry-type transformer |
| CN204155753U (en) * | 2014-10-11 | 2015-02-11 | 海鸿电气有限公司 | The compression shaping device of 110kV and above three dimensional wound core transformer |
| CN205900302U (en) * | 2016-08-18 | 2017-01-18 | 吴江变压器有限公司 | Transformer winding compression device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108534933A (en) * | 2018-03-27 | 2018-09-14 | 国网河北省电力有限公司电力科学研究院 | Transformer winding monitoring device |
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| Publication number | Publication date |
|---|---|
| CN106098353B (en) | 2017-12-01 |
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