CN205016372U - Stamping device of oval coil external diameter - Google Patents
Stamping device of oval coil external diameter Download PDFInfo
- Publication number
- CN205016372U CN205016372U CN201520800835.5U CN201520800835U CN205016372U CN 205016372 U CN205016372 U CN 205016372U CN 201520800835 U CN201520800835 U CN 201520800835U CN 205016372 U CN205016372 U CN 205016372U
- Authority
- CN
- China
- Prior art keywords
- oval coil
- decompressor
- pressed sheet
- positioning plate
- bottom plate
- 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.)
- Expired - Fee Related
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Abstract
The utility model discloses a stamping device of oval coil external diameter, it includes fixed platform, stamping device, stop device and positioning bottom plate. Fixed platform comprises dull and stereotyped and stand, dull and stereotyped fixed connection is in 4 the top of stand. Positioning bottom plate with dull and stereotyped relative parallel arrangement, this positioning bottom plate fixed connection in on the stand, stop device connects positioning bottom plate is last. Stamping device sets up the fixed platform top, this stamping device comprises drive arrangement and pressed sheet, drive arrangement one end swing joint in on the flat board, other end fixed connection in the pressed sheet, this pressed sheet can be followed the stand slides from top to bottom. The relative parallel arrangement with positioning bottom plate of pressed sheet is put oval coil on positioning bottom plate, and stamping device can become the plane to the protruding punching press of the arc of oval coil straight -line portion, reduces the external diameter of oval coil, makes the external diameter of oval coil reach the theoretical design value.
Description
Technical field
The coil windings that the utility model belongs to power transformer makes field, is specifically related to a kind of decompressor of oval coil outer diameter.
Background technology
Power transformer is one of capital equipment of power plant and electric substation, and it is a kind of fixing electric equipment, is mainly used to conversion alternating voltage, electric current and impedance.Power transformer forms by around the two or more coil windings on same iron core, is to be in connection with by alternating magnetic field and by electromagnetic induction principle work between winding.The external diameter size of coil has influence on the size of coil resistance, and resistance sizes has influence on the no-load loss size of transformer, and loss size directly has influence on the temperature rise of transformer.As a rule, coil outer diameter is larger, and the no-load loss of transformer is larger, makes the temperature rise of transformer larger, and directly shorten the useful life of transformer, cause huge loss to transformer station, how control coil external diameter size becomes a technical problem thus.
At present, oval coil is subject to the favor of transformer manufacturing producer.So-called oval coil, having another name called " runway coil ", is exactly by circular coil dimidiation, and centre adds one section of straight line portion, as shown in Figure 1.This oval coil decreases outside dimension, greatly reduces the no-load loss of transformer, but due to technique for coiling and winding equipment, the straight line portion of oval coil is often with certain arc convex, and this increases the external diameter of oval coil undoubtedly.Therefore, like this with regard to causing the no-load loss of transformer to increase, the useful life of transformer is shortened.Thus, the outside dimension how controlling oval coil becomes the technical problem that is needed badly solution.
Summary of the invention
The utility model proposes a kind of decompressor of oval coil outer diameter, this device can strike out the outside dimension of oval coil the size value of Theoretical Design, solve due to coil winding technique and winding equipment, the technical problem that the coil outer diameter caused increases.
The technical solution of the utility model is achieved in that
A kind of decompressor of oval coil outer diameter, it comprises fixed platform, decompressor, stopping means and positioning plate, described fixed platform is made up of dull and stereotyped and column, described flat board is fixedly connected on the top of 4 described columns, described positioning plate and the opposing parallel setting of described flat board, this positioning plate is fixedly connected on described column, described stopping means is connected on described positioning plate, described decompressor is arranged on described fixed platform top, this decompressor is made up of drive unit and pressed sheet, described drive unit one end is movably connected on described flat board, the other end is fixedly connected on described pressed sheet, this pressed sheet can slide up and down along described column.
In the decompressor of oval coil outer diameter of the present utility model, described stopping means and oval coil contour.
In the decompressor of oval coil outer diameter of the present utility model, the opposite face of described pressed sheet and described positioning plate is plane, orthogonal between this pressed sheet and this positioning plate.
In the decompressor of oval coil outer diameter of the present utility model, described drive unit is hydraulic-driven module.
In the decompressor of oval coil outer diameter of the present utility model, described fixed platform, decompressor, stopping means and positioning plate are all be made up of metal material.
Implement the decompressor of this oval coil outer diameter of the present utility model, there is following beneficial effect: the opposite face of decompressor and positioning plate is opposing parallel plane, oval coil is placed between the stopping means on positioning plate, decompressor can strike out plane the arc convex of oval coil straight line portion, reduce the external diameter of oval coil, make the external diameter of oval coil reach Theoretical Design value, reduce the no-load loss of transformer, extend the useful life of transformer.
Accompanying drawing explanation
Fig. 1 is oval coil outer schematic diagram;
Fig. 2 is the schematic diagram of the decompressor of this oval coil outer diameter of the present utility model.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is clearly and completely described.
The decompressor of of the present utility model this oval coil outer diameter as shown in Figure 2, it comprises fixed platform 1, decompressor 2, stopping means 3 and positioning plate 4.Described fixed platform 1 is made up of dull and stereotyped 5 and column 6, and described dull and stereotyped 5 tops being fixedly connected on 4 described columns 6, so just form the housing of whole decompressor, make to have good stability in this device busy process.Described positioning plate 4 and described dull and stereotyped 5 opposing parallel settings, this positioning plate 4 is fixedly connected on described column 6, and this positioning plate 4 is positioned at immediately below dull and stereotyped 5, and four fillet welding of positioning plate 4 are connected on four root posts 6.Described stopping means 3 is connected on described positioning plate 4.Described decompressor 2 is arranged on described fixed platform 1 top, this decompressor 2 is made up of drive unit 7 and pressed sheet 8, described drive unit 7 one end is movably connected on described dull and stereotyped 5, and the other end is fixedly connected on described pressed sheet 8, and this pressed sheet 8 can slide up and down along described column 6.The fixed platform 1 of this device, decompressor 2, stopping means 3 and positioning plate 4 are all be made up of metal material, dull and stereotyped 5 and column 6, be all directly be welded between positioning plate 4 and column 6, and this apparatus structure is simple, and low cost of manufacture, stability is higher.
In the present embodiment, described stopping means 3 is made up of four channel-section steels, be separately fixed at the surrounding of oval coil 9, the length of four channel-section steels is consistent with the Theoretical Design value of oval coil 9 external diameter, described pressed sheet 8 is plane with the opposite face of described positioning plate 4, orthogonal between this pressed sheet 8 and this positioning plate 4, when the sidepiece of oval coil 9 is placed between four channel-section steels, drive unit 7 applies pressure to pressed sheet 8, pressed sheet 8 moves downward, until pressed sheet 8 arrives at the top of four channel-section steels, original oval coil 9 is pressed as plane with the straight line portion of arc convex again, solve the reason due to technique for coiling and equipment, the problem that oval coil 9 external diameter caused increases, the external diameter of oval coil 9 is made to reach Theoretical Design value, then decompressor 2 gos up, so far, the punching course of this device completes.Described decompressor 2 is made up of drive unit 7 and pressed sheet 8, described drive unit 7 is hydraulic-driven module, this drive unit 7 one end is flexibly connected and the described middle part of dull and stereotyped 5, can move up and down, the other end is fixedly connected on the middle part of described pressed sheet 8, this drive unit 7 can drive pressed sheet 8 to move together, and described pressed sheet 8 can slide up and down along four root posts 6.Described decompressor 2 structure is comparatively simple, can provide the stamping press needed for punching press, operate comparatively simple and easy.So far, the present utility model object is accomplished.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection range of the present utility model.
Claims (5)
1. the decompressor of an oval coil outer diameter, it is characterized in that, comprise fixed platform, decompressor, stopping means and positioning plate, described fixed platform is made up of dull and stereotyped and column, described flat board is fixedly connected on the top of 4 described columns, described positioning plate and the opposing parallel setting of described flat board, this positioning plate is fixedly connected on described column, described stopping means is connected on described positioning plate, described decompressor is arranged on described fixed platform top, this decompressor is made up of drive unit and pressed sheet, described drive unit one end is movably connected on described flat board, the other end is fixedly connected on described pressed sheet, this pressed sheet can slide up and down along described column.
2. the decompressor of oval coil outer diameter according to claim 1, is characterized in that, described stopping means and oval coil contour.
3. the decompressor of oval coil outer diameter according to claim 1, is characterized in that, the opposite face of described pressed sheet and described positioning plate is plane, orthogonal between this pressed sheet and this positioning plate.
4. the decompressor of oval coil outer diameter according to claim 1, is characterized in that, described drive unit is hydraulic-driven module.
5. the decompressor of oval coil outer diameter according to claim 1, is characterized in that, described fixed platform, decompressor, stopping means and positioning plate are all be made up of metal material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520800835.5U CN205016372U (en) | 2015-10-13 | 2015-10-13 | Stamping device of oval coil external diameter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520800835.5U CN205016372U (en) | 2015-10-13 | 2015-10-13 | Stamping device of oval coil external diameter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205016372U true CN205016372U (en) | 2016-02-03 |
Family
ID=55214964
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520800835.5U Expired - Fee Related CN205016372U (en) | 2015-10-13 | 2015-10-13 | Stamping device of oval coil external diameter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205016372U (en) |
-
2015
- 2015-10-13 CN CN201520800835.5U patent/CN205016372U/en not_active Expired - Fee Related
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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 |
Granted publication date: 20160203 Termination date: 20181013 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |