CN214336520U - Three-phase three-dimensional laminated iron core and clamping device thereof - Google Patents
Three-phase three-dimensional laminated iron core and clamping device thereof Download PDFInfo
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- CN214336520U CN214336520U CN202120346027.1U CN202120346027U CN214336520U CN 214336520 U CN214336520 U CN 214336520U CN 202120346027 U CN202120346027 U CN 202120346027U CN 214336520 U CN214336520 U CN 214336520U
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- phase
- clamping
- clamping plates
- dimensional laminated
- clamping plate
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 title claims abstract description 61
- 239000007787 solid Substances 0.000 claims abstract description 3
- 229910052742 iron Inorganic materials 0.000 claims description 11
- 238000009413 insulation Methods 0.000 claims 1
- 238000000034 method Methods 0.000 claims 1
- 238000003475 lamination Methods 0.000 abstract description 8
- 229910000976 Electrical steel Inorganic materials 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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Abstract
The utility model discloses a three-phase three-dimensional laminated iron core clamping device, which comprises an upper clamping piece and a lower clamping piece; the upper clamping piece comprises three outer clamping plates arranged in a Y-shaped interval manner and three inner clamping plates arranged at the centers of the three outer clamping plates; the three inner clamping plates correspond to the three outer clamping plates one by one, and the inner clamping plates and the outer clamping plates in each group are connected through first connecting rods. Since the technical scheme is used, compare with prior art, the utility model discloses not only carry out the centre gripping to the three-phase solid iron core that folds on the whole and fix, still set up the fastener between the lamination to make hugging closely between the lamination, there is not the gap between the lamination, reduce the noise at work of transformer.
Description
Technical Field
The utility model relates to a transformer field, concretely relates to three-phase is three-dimensional folds iron core and clamping device thereof.
Background
The three-dimensional iron core has the advantages of complete symmetry of three-phase iron core magnetic circuits, small magnetic resistance, low no-load loss and no-load current, cost saving and the like, and greatly meets the energy-saving requirement of the current power grid. The three-dimensional iron core is divided into a three-dimensional roll iron core and a three-dimensional stacked iron core. The three-dimensional rolled iron core is formed by bonding and binding three single-frame iron cores which are wound independently into a three-column iron core, the three-dimensional rolled iron core is difficult to manufacture, winding operation is complex, coil faults are inconvenient to maintain, and a pouring type dry transformer is required to be poured with an iron core, so that the maintainability is poor, and the three-dimensional stacked iron core can be produced at the same time.
The existing three-dimensional laminated iron core is generally formed by overlapping a plurality of silicon steel sheets, a clamping device is needed to clamp and fix the iron core body, but the existing transformer iron core clamping device can only clamp and fix the iron core on the whole, a fastener is not specially arranged between the laminated sheets, so that gaps are easy to exist between the laminated sheets, and further, the noise of the transformer during operation is high.
SUMMERY OF THE UTILITY MODEL
For solving current transformer core clamping device among the background art and not setting up the fastener between the lamination specially, lead to the problem that has the gap between the lamination easily, the utility model provides a three-phase is three-dimensional folds iron core clamping device, concrete technical scheme as follows.
A three-phase three-dimensional laminated iron core clamping device comprises an upper clamping piece and a lower clamping piece; the upper clamping piece comprises three outer clamping plates arranged in a Y-shaped interval manner and three inner clamping plates arranged at the centers of the three outer clamping plates; the three inner clamping plates correspond to the three outer clamping plates one by one, and the inner clamping plates and the outer clamping plates in each group are connected through first connecting rods.
After the three-phase three-dimensional laminated iron core is manufactured, the iron yoke is cured. When the coil is mounted on the upper yoke, the upper yoke piece is removed first, and the upper yoke piece is inserted after the coil is mounted, so that the upper yoke piece cannot be solidified. By adopting the structure, the upper iron yoke sheet is fastened through the three inner clamping plates and the three outer clamping plates, so that gaps among the laminated sheets are reduced, and the noise of the transformer during working is reduced.
Preferably, the three outer clamping plates are bent 120 ° away from the center.
Preferably, the middle part of the outer clamping plate is vertically provided with a first clamping plate, and the first clamping plate is connected with the inner clamping plate through the first connecting rod.
Preferably, the three inner splints enclose a triangle, and a first three-way connecting piece is arranged at the center of the triangle; the three inner clamping plates are fixedly arranged on the first three-way connecting piece; the first clamping plate is connected with the first three-way connecting piece through the first connecting rod.
Preferably, the lower clamp comprises three lower clamping plates arranged below the upper clamp and corresponding to the three outer clamping plates one by one; the shape of the lower splint is consistent with that of the outer splint; the centers of the three lower clamping plates are provided with second three-way connecting pieces, and the three lower clamping plates are connected with the second three-way connecting pieces through second connecting rods.
Preferably, a second clamping plate is vertically arranged in the middle of the lower clamping plate; the second clamping plate is connected with the second three-way connecting piece through the second connecting rod.
Preferably, the first clamping plate and the second clamping plate are connected through a third connecting rod.
Preferably, an insulating sleeve is arranged between the first clamping plate and the first connecting rod and between the second clamping plate and the third connecting rod.
Preferably, the first connecting rod, the second connecting rod and the third connecting rod are threaded connecting rods.
Based on the same inventive concept, the application also provides a three-phase three-dimensional laminated iron core, which comprises a three-phase three-dimensional laminated iron core body and the three-phase three-dimensional laminated iron core clamping device; an upper iron yoke of the three-phase three-dimensional laminated iron core body is positioned between the outer clamping plate and the inner clamping plate; the inner side of the outer clamping plate is matched with the outer side of an upper iron yoke of the three-phase three-dimensional laminated iron core body in shape; the outer side of the inner clamping plate is matched with the shape of the inner side of an upper iron yoke of the three-phase three-dimensional laminated iron core body.
Since the technical scheme above is adopted, compare with prior art, the utility model discloses not only carry out the centre gripping to the three-phase solid iron core that folds on the whole and fix, still set up the fastener between the lamination to make hug closely between the lamination, there is not the gap between the lamination, reduce the noise at work of transformer.
Drawings
Fig. 1 is a schematic structural view of the three-phase three-dimensional laminated iron core clamping device of the present invention;
fig. 2 is a schematic structural diagram of the three-phase three-dimensional laminated iron core of the present invention;
fig. 3 is a top view of fig. 2.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Example 1
As shown in fig. 1, a three-phase three-dimensional laminated core clamping device comprises an upper clamping piece and a lower clamping piece;
the upper clamping piece comprises three outer clamping plates 11 arranged in a Y-shaped interval mode and three inner clamping plates 12 arranged in the centers of the three outer clamping plates 11. The three inner splints 12 enclose a triangle, a first three-way connecting piece 13 is arranged at the center of the triangle, and the three inner splints 12 are fixedly arranged on the first three-way connecting piece 13. The three inner clamping plates 12 correspond to the three outer clamping plates 11 one by one. The three outer clamping plates 11 are bent 120 deg. away from the center.
The middle part of the outer clamping plate 11 is vertically provided with a first clamping plate 14, and the first clamping plate 14 is connected with the first three-way connecting piece 13 through a first connecting rod 15.
The lower clamp includes three lower clamping plates 21 arranged below the upper clamp and corresponding to the three outer clamping plates 11 one to one. The lower clamp plate 21 has a shape conforming to the shape of the outer clamp plate 11. The centers of the three lower clamping plates 21 are provided with second three-way connecting pieces 22. A second clamp plate 23 is vertically disposed at the middle of the lower clamp plate 21. The second clamping plate 23 is connected with the second three-way connecting piece 22 through a second connecting rod 24.
The bottom of first splint 14 and the top of second splint 23 all are equipped with the boss, connect through third connecting rod 25 between two bosses.
Preferably, an insulating sleeve 16 is arranged between the first clamping plate 14 and the first connecting rod 15, and between the second clamping plate 23 and the third connecting rod 25.
In particular, the first connecting rod 15, the second connecting rod 24 and the third connecting rod 25 are threaded connecting rods.
Example 2
As shown in fig. 2, a three-phase three-dimensional laminated core includes a three-phase three-dimensional laminated core and the three-phase three-dimensional laminated core clamping device described in embodiment 1. The upper iron yoke 31 of the three-phase three-dimensional laminated iron core is positioned between the outer clamping plate 11 and the inner clamping plate 12; the inner side of the outer clamping plate 11 is matched with the shape of the outer side of the upper iron yoke 31 of the three-phase three-dimensional laminated iron core 3. The outer side of the inner clamping plate 12 is matched with the shape of the inner side of an upper iron yoke 31 of the three-phase three-dimensional laminated iron core.
As shown in fig. 3, the inner clamping plate 12 is arc-shaped, and R is the arc radius of the outer side wall of the inner clamping plate 12; distances from centers of the three outer clamping plates 11 to outer side walls of the inner clamping plates 12
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (10)
1. The utility model provides a three-phase solid iron core clamping device that folds, includes folder and lower folder, its characterized in that: the upper clamping piece comprises three outer clamping plates arranged in a Y-shaped interval manner and three inner clamping plates arranged at the centers of the three outer clamping plates; the three inner clamping plates correspond to the three outer clamping plates one by one, and the inner clamping plates and the outer clamping plates in each group are connected through first connecting rods.
2. The three-phase three-dimensional laminated core clamping device according to claim 1, wherein: the three outer clamping plates are bent 120 deg. away from the center.
3. The three-phase three-dimensional laminated core clamping device according to claim 1 or 2, wherein: the middle part vertical arrangement of outer splint has first splint, first splint with pass through between the interior splint the head rod is connected.
4. The three-phase three-dimensional laminated core clamping device according to claim 3, wherein: the three inner clamping plates form a triangle in a surrounding mode, and a first three-way connecting piece is arranged in the center of the triangle; the three inner clamping plates are fixedly arranged on the first three-way connecting piece; the first clamping plate is connected with the first three-way connecting piece through the first connecting rod.
5. The three-phase three-dimensional laminated core clamping device according to claim 4, wherein: the lower clamping piece comprises three lower clamping plates which are arranged below the upper clamping piece and correspond to the three outer clamping plates one by one; the shape of the lower splint is consistent with that of the outer splint; the centers of the three lower clamping plates are provided with second three-way connecting pieces, and the three lower clamping plates are connected with the second three-way connecting pieces through second connecting rods.
6. The three-phase three-dimensional laminated core clamping device according to claim 5, wherein: a second clamping plate is vertically arranged in the middle of the lower clamping plate; the second clamping plate is connected with the second three-way connecting piece through the second connecting rod.
7. The three-phase three-dimensional laminated core clamping device according to claim 6, wherein: the first clamping plate is connected with the second clamping plate through a third connecting rod.
8. The three-phase three-dimensional laminated core clamping device according to claim 7, wherein: and insulation sleeves are arranged between the first clamping plate and the first connecting rod and between the second clamping plate and the third connecting rod.
9. The three-phase three-dimensional laminated core clamping device according to claim 8, wherein: the first connecting rod, the second connecting rod and the third connecting rod are threaded connecting rods.
10. A three-phase three-dimensional laminated core comprising a three-phase three-dimensional laminated core body and the three-phase three-dimensional laminated core clamping device according to any one of claims 1 to 9; the method is characterized in that: an upper iron yoke of the three-phase three-dimensional laminated iron core body is positioned between the outer clamping plate and the inner clamping plate; the inner side of the outer clamping plate is matched with the outer side of an upper iron yoke of the three-phase three-dimensional laminated iron core body in shape; the outer side of the inner clamping plate is matched with the shape of the inner side of an upper iron yoke of the three-phase three-dimensional laminated iron core body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120346027.1U CN214336520U (en) | 2021-02-07 | 2021-02-07 | Three-phase three-dimensional laminated iron core and clamping device thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120346027.1U CN214336520U (en) | 2021-02-07 | 2021-02-07 | Three-phase three-dimensional laminated iron core and clamping device thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214336520U true CN214336520U (en) | 2021-10-01 |
Family
ID=77884488
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120346027.1U Expired - Fee Related CN214336520U (en) | 2021-02-07 | 2021-02-07 | Three-phase three-dimensional laminated iron core and clamping device thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214336520U (en) |
-
2021
- 2021-02-07 CN CN202120346027.1U patent/CN214336520U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211001 |
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| CF01 | Termination of patent right due to non-payment of annual fee |