CN106098353B - A kind of Transformer Winding pressing device - Google Patents
A kind of Transformer Winding pressing device Download PDFInfo
- Publication number
- CN106098353B CN106098353B CN201610680742.2A CN201610680742A CN106098353B CN 106098353 B CN106098353 B CN 106098353B CN 201610680742 A CN201610680742 A CN 201610680742A CN 106098353 B CN106098353 B CN 106098353B
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- CN
- China
- Prior art keywords
- briquetting
- horizontal support
- upper supporting
- support plate
- supporting piece
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- 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 pressing device, including winding pressing plate, upper supporting piece and hold down assembly, hold down assembly including 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 for 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, adjustment cardboard is arranged between the horizontal support plate and briquetting of upper supporting piece, insulated bolt sequentially passes through horizontal support plate from top to bottom, adjust cardboard and briquetting, arc notch is respectively provided with briquetting and adjustment cardboard, the arc notch of briquetting and the arc notch of adjustment cardboard are collectively forming accommodating chamber, the oil hydraulic cylinder is arranged in the accommodating chamber.Present invention can ensure that the uniformity of the effective compression and compression to Transformer Winding, and the setting of structure can also reduce the demand to operating space.
Description
Technical field
The present invention relates to transformer technology field, more particularly to a kind of Transformer Winding pressing device.
Background technology
The axial compression of large-scale power transformer winding is to improve the anti-sudden short circuit ability very important one of transformer
Individual factor.In structure design, the pressing device of Transformer Winding will realize the validity and uniformity of axial compression as far as possible, and
Height can easily be adjusted to compensate foozle.Pressing device of the prior art typically uses nail pressing structure or briquetting knot
Structure compresses to Transformer Winding.Structure shown in Fig. 1 is traditional nail pressing structure, and the lower end of the nail pressing has nail pressing pad
Circle, nail pressing packing ring is interior to be provided with metal material.The nail pressing is arranged in pressing device, is realized by tightening the nail pressing to transformer
The compression of coil windings.Because nail pressing bead interior is provided with metal material, to ensure the insulation distance to high-voltage connection, nail pressing pad
The diameter of circle can not be too big, so compression area is smaller, the lack of homogeneity of axial compression.Moreover, nail pressing and the system of nail pressing packing ring
Make relative complex, cost is higher.In addition, briquette structure used in the prior art is also it cannot be guaranteed that to Transformer Winding axle
To the validity and uniformity of compression, it is undesirable to compress effect.
The content of the invention
In order to solve the above technical problems, it is an object of the invention to provide a kind of Transformer Winding pressing device, Ke Yibao
Demonstrate,prove the validity and uniformity that axial compression is carried out to Transformer Winding.
To realize above-mentioned technical purpose and the technique effect, the present invention is achieved through the following technical solutions：One kind becomes
Depressor winding pressing device, including winding pressing plate, upper supporting piece and hold down assembly, hold down assembly including briquetting, adjustment cardboard, absolutely
Edge bolt and oil hydraulic cylinder, the winding pressing plate are arranged in Transformer Winding, and the upper supporting piece has board-like folder and vertical
The horizontal support plate of board-like folder side is arranged at, the lower section for the horizontal support plate for being arranged on upper supporting piece that holds down assembly, the briquetting
It is arranged on the winding pressing plate, the horizontal support plate of upper supporting piece is arranged at the top of briquetting, and adjustment cardboard is arranged at support
Between the horizontal support plate and briquetting of part, insulated bolt sequentially passes through horizontal support plate, adjustment cardboard and briquetting, the pressure from top to bottom
Arc notch is respectively provided with block and adjustment cardboard, the arc notch of briquetting and the arc notch of adjustment cardboard are collectively forming receiving
Chamber, the oil hydraulic cylinder are arranged in the accommodating chamber.
Further, horizontal support plate is in the position of the arc notch corresponding to both briquetting and adjustment cardboard and board-like folder
Between be provided with reinforcement.
Further, the horizontal support plate of upper supporting piece, which is provided with, is used for the screwed hole locked of insulated bolt, adjustment cardboard and
Briquetting, which is provided with, is used for the unthreaded hole that insulated bolt penetrates.
Further, the quantity of upper supporting piece is two, and two upper supporting pieces are in symmetrical relative to Transformer Winding
Set, the side of the board-like folder of each upper supporting piece is provided with two horizontal support plates, and each horizontal support plate is respectively arranged below with
One group holds down assembly.
Further, the 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 in angularly disposed relative to horizontal line.
The beneficial effects of the invention are as follows：The present invention is using the cooperation of briquetting, adjustment cardboard, insulated bolt and oil hydraulic cylinder to becoming
Depressor winding is compressed, and compression area is big, and is equipped with arc notch on briquetting and adjustment cardboard, and oil hydraulic cylinder is arranged at pressure
In the accommodating chamber that the arc notch of block and both adjustment cardboards is formed, so as to which oil hydraulic cylinder and briquetting are in same position when compressing
Put, winding warped platen deformation very little after oil hydraulic cylinder pressurization, after pressurization, the spatial altitude size that oil hydraulic cylinder and briquetting are formed exists
Consistent in the length range of briquetting, briquetting is pressurized also uniform, it is ensured that to the equal of the effective compression and compression of Transformer Winding
Even property.In addition, oil hydraulic cylinder is arranged in briquetting and the accommodating chamber of arc notch formation for adjusting cardboard, so as to oil hydraulic cylinder and briquetting
In same installation site, reduce the demand to operating space.The setting of adjustment cardboard can adjust to the situation of compression
It is whole, ensure the reliability compressed.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention.
Fig. 2 is Fig. 1 top view.
Embodiment
Presently preferred embodiments of the present invention is described in detail below in conjunction with the accompanying drawings, so that advantages and features of the invention energy
It is easier to be readily appreciated by one skilled in the art, apparent is clearly defined so as to be made to protection scope of the present invention.
As depicted in figs. 1 and 2, a kind of Transformer Winding pressing device, including winding pressing plate 1, upper supporting piece 2 and compression group
Part, hold down assembly including briquetting 3, adjustment cardboard 4, insulated bolt 5 and oil hydraulic cylinder 6, the winding pressing plate 1 be arranged on transformer around
In group, the upper supporting piece 2 has board-like folder 21 and is vertically installed in the horizontal support plate 22 of the board-like side of folder 21, compression group
Part is arranged on the lower section of the horizontal support plate 22 of upper supporting piece 2, and the briquetting 3 is arranged on the winding pressing plate 1, upper supporting piece 2
Horizontal support plate 22 be arranged at the top of briquetting 3, adjustment cardboard 4 be arranged at upper supporting piece 2 horizontal support plate 22 and briquetting 3 it
Between.The horizontal support plate 22 of upper supporting piece 2, which is provided with, is used for the screwed hole that insulated bolt 5 is locked, and adjusts and is set 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, adjustment paper from top to bottom
The unthreaded hole on unthreaded hole and briquetting 3 on plate 4.Arc notch 7, the arc of briquetting 3 are respectively provided with the briquetting 3 and adjustment cardboard 4
The arc notch of breach and adjustment cardboard 4 is collectively forming accommodating chamber, and the oil hydraulic cylinder 6 is arranged in the accommodating chamber.The arc of briquetting 3
The arc notch of v notch v and adjustment cardboard 4 is relative to horizontal line in angularly disposed.The angle of inclination of arc notch depends on week
The arrangement of closed structure, it is necessary to assure complete after compressing, oil hydraulic cylinder 6 can be easily removed.
Horizontal support plate 22 position and the board-like folder 21 corresponding to briquetting 3 and adjustment cardboard 4 both arc notch it
Between be provided with reinforcement 23.Reinforcement 23 is arranged on position corresponding with arc notch, it is ensured that the horizontal support plate of upper supporting piece 2
22 do not deform under pressure.
Furtherly, the quantity of upper supporting piece 2 is two, and two upper supporting pieces 2 are in pair relative to Transformer Winding
Claim to set, i.e., be symmetrical set relative to the axial line of winding pressing plate, the side of the board-like folder 21 of each upper supporting piece 2 is provided with
Two horizontal support plates, each horizontal support plate 22 are respectively arranged below with one group and held down assembly.
In the present invention, briquetting 3 is wooden into will not reduce insulation distance by being laminated, it is ensured that sufficiently large compression
Area, realize uniform to Transformer Winding and reliable compression.
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, briquetting 3 is put into, make the arc notch 7 of briquetting 3 with
Oil hydraulic cylinder 6 coordinates, and then suitable adjustment cardboard 4 is inserted between the horizontal support plate 22 of upper supporting piece 2 and briquetting 3 again.So
Afterwards, oil hydraulic cylinder 6 is removed, insulated bolt 5 is screwed into 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 is pressed Transformer Winding using the cooperation of briquetting 3, adjustment cardboard 4, insulated bolt 5 and oil hydraulic cylinder 6
Tightly, it is big to compress area, and arc notch 7 is equipped with briquetting 3 and adjustment cardboard 4, oil hydraulic cylinder 6 is arranged at briquetting 3 and adjustment
In the accommodating chamber that both arc notch of cardboard 4 are formed, so as to which oil hydraulic cylinder 6 and briquetting 3 are in same position when compressing, oil
After cylinder pressure 6 pressurizes, winding warped platen deformation very little, after pressurization, the spatial altitude size that oil hydraulic cylinder 6 and briquetting 3 are formed exists
Consistent in the length range of briquetting, briquetting is pressurized also uniform, it is ensured that to the equal of the effective compression and compression of Transformer Winding
Even property.In addition, oil hydraulic cylinder 6 is arranged in briquetting 3 and the accommodating chamber of arc notch formation for adjusting cardboard 4, so as to the He of oil hydraulic cylinder 6
Briquetting 3 is in same installation site, reduces the demand to operating space.The setting for adjusting cardboard 4 can be to the situation of compression
It is adjusted, ensures the reliability compressed.
Embodiments of the invention are the foregoing is only, are not intended to limit the scope of the invention, it is every to utilize this hair
The equivalent structure or equivalent flow conversion that bright specification and accompanying drawing content are made, or directly or indirectly it is used in other related skills
Art field, is included within the scope of the present invention.
Claims (4)
- A kind of 1. Transformer Winding pressing device, it is characterised in that：Including winding pressing plate, upper supporting piece and hold down assembly, compress Component includes briquetting, adjustment cardboard, insulated bolt and oil hydraulic cylinder, the winding pressing plate are arranged in Transformer Winding, it is 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, the briquetting are arranged on the winding pressing plate, and the horizontal support plate of upper supporting piece is arranged at the upper of briquetting Side, adjustment cardboard are arranged between the horizontal support plate and briquetting of upper supporting piece, and insulated bolt sequentially passes through horizontal branch from top to bottom Arc notch, the arc notch and adjustment cardboard of briquetting are respectively provided with plate, adjustment cardboard and briquetting, the briquetting and adjustment cardboard Arc notch be collectively forming accommodating chamber, the oil hydraulic cylinder is arranged in the accommodating chamber；Horizontal support plate is corresponding to briquetting and tune Reinforcement is provided between the position of the arc notch of both whole cardboards and board-like folder；The horizontal support plate of upper supporting piece, which is provided with, to be used In the screwed hole that insulated bolt is locked, adjust cardboard and briquetting is provided with and is used for the unthreaded hole that insulated bolt penetrates.
- 2. Transformer Winding pressing device according to claim 1, it is characterised in that：The quantity of upper supporting piece is two, And 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, each horizontal support plate are respectively arranged below with one group and held down assembly.
- 3. Transformer Winding pressing device according to claim 1, it is characterised in that：The briquetting is by lamination wood or layer Pressboard is made.
- 4. Transformer Winding pressing device according to claim 1, it is characterised in that：The arc notch and adjustment paper of briquetting The arc notch of plate is relative to horizontal line in angularly disposed.
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 CN106098353A (en) | 2016-11-09 |
| CN106098353B true 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) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108534933B (en) * | 2018-03-27 | 2020-12-08 | 国网河北省电力有限公司电力科学研究院 | Transformer winding monitoring device |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE421037B (en) * | 1979-08-09 | 1981-11-16 | Asea Ab | PROCEDURE FOR INPUTING WIRING KITS IN TRANSFORMER |
| DE3151171C2 (en) * | 1981-12-23 | 1986-02-27 | Transformatoren Union Ag, 7000 Stuttgart | Frame for holding and pressing windings in transformers |
| 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
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| Publication number | Publication date |
|---|---|
| CN106098353A (en) | 2016-11-09 |
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