CN103500642A - Device for preventing silicon steel sheet from being bent in sheet embedding process of ultrahigh voltage transformer - Google Patents
Device for preventing silicon steel sheet from being bent in sheet embedding process of ultrahigh voltage transformer Download PDFInfo
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- CN103500642A CN103500642A CN201310446291.2A CN201310446291A CN103500642A CN 103500642 A CN103500642 A CN 103500642A CN 201310446291 A CN201310446291 A CN 201310446291A CN 103500642 A CN103500642 A CN 103500642A
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- silicon steel
- steel sheet
- screw rod
- sheet
- angle steel
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Abstract
The invention provides a device for preventing a silicon steel sheet from being bent in the sheet embedding process of an ultrahigh voltage transformer. The device comprises joint hinges, a screw rod, insulation nuts, a sleeve, a pipe, angle steel and clamping plates, and the screw rod penetrates through the insulation nuts, the sleeve, the pipe and the clamping plates. The joint hinges and the pipe are welded with the angle steel. According to the device for preventing the silicon steel sheet from being bent in the sheet embedding process of the ultrahigh voltage transformer, the distance is adjusted through the insulation nuts at the two ends of the device, so that therefore the silicon steel sheet is clamped through the angle steel and the clamping plates, and the silicon steel sheet is prevented from being bent.
Description
Technical field
The present invention relates to a kind of device that prevents the silicon steel sheet bending, while being specifically related to a kind of EHV transformer empiecement for preventing the device of silicon steel sheet bending.
Background technology
Development along with China's electric utility, the even super extra-high voltage transformer of ultra high voltage has become the direction of transformer industry development, and iron core is as the important component part of transformer, its workmanship will directly affect the performance index such as the no-load loss, no-load current, noise of transformer.Therefore, if transformer core empiecement quality does not pass a test, will directly affect the performance of transformer, increase the energy consumption of equipment.Because present transformer generally cannot not adopt foldedly the technique of upper yoke, therefore, after iron core overlapping stands up and overlapped coil, also need to inlay upper yoke.Because the core dimensions of superhigh pressure product is very large, so the size of iron yoke is also very large, and length is also long, like this difficulty of iron yoke empiecement has also been improved a lot.When iron core stands up rear edge upper yoke, silicon steel sheet is very thin easily occurs bending and deformation, and causes upper yoke to produce the dislocation distortion, affects the quality of iron core.
Summary of the invention
The object of the present invention is to provide a kind of when the flexible distortion of silicon steel sheet, iron yoke easily produce the EHV transformer empiecement of the defects such as dislocation distortion can overcome traditional iron core and stand up rear edge upper yoke the time for preventing the device of silicon steel sheet bending.
In order to achieve the above object, be used for preventing the device of silicon steel sheet bending during EHV transformer empiecement of the present invention, comprise angle steel, screw rod, clamping plate and several covers, described angle steel upper end is welded with several pipes, described cover, pipe box are connected to a side of described screw rod, described plywood sleeve is connected to the opposite side of described screw rod, the insulating nut that the two ends of described screw rod are equipped with screw thread and match with described screw thread.
The upper end of described angle steel also is welded with joint hinge.
Compared with prior art, the present invention has following beneficial effect:
During EHV transformer empiecement of the present invention, be used for preventing that the device angle steel of silicon steel sheet bending is connected with several screw rod one sides, the opposite side of described screw rod is socketed with clamping plate simultaneously, thereby angle steel is fixed a side of silicon steel sheet, utilize the screw rod of insulating nut and different length to control the distance between angle steel and clamping plate, thereby angle steel and clamping plate are clamped silicon steel sheet, so just guaranteed that silicon steel sheet is vertically not crooked, thereby guaranteed the quality of iron core.
The accompanying drawing explanation
When Fig. 1 is a kind of EHV transformer empiecement for preventing the device front view of silicon steel sheet bending;
When Fig. 2 is a kind of EHV transformer empiecement for preventing the device partial top view of silicon steel sheet bending;
When Fig. 3 is a kind of EHV transformer empiecement for preventing the device partial side view of silicon steel sheet bending.
Wherein: 1 be joint hinge, 2 for screw rod, 3 for insulating nut, 4 for cover, 5 for pipe, 6 for angle steel, 7 for clamping plate.
Embodiment
With reference to figure 1, Fig. 2 and Fig. 3, weld several joint hinges 1 and pipe 5 for the device that prevents the silicon steel sheet bending on angle steel 6 during EHV transformer empiecement of the present invention, screw rod 2 from manage 5 and clamping plate 7 in the middle of holes pass, clamping plate 7 are staggered installation of the both sides at angle steel 6, insulating nut 3 and cover 4 are arranged on the outside of pipe 5, and another insulating nut 3 is arranged on the outside of clamping plate 7.Screw rod 2 has plurality of specifications, and screw rod 2 screw threads of every kind of specification are identical, the overall length difference, and overlapping 4 installation quantity can be depending on actual conditions, the distance that can regulate between described clamping plate 7 and described angle steel 6 by outermost two insulating nuts 3.
Specific operation process of the present invention is:
Device of the present invention also can be for the extra-high voltage transformer empiecement, during clamping, now silicon steel sheet is placed between described angle steel 6 and clamping plate 7, then regulate the insulating nut 3 at described screw rod 2 two ends, make described clamping plate 7 and angle steel 6 move toward one another, and then described angle steel 6 is stepped up silicon steel sheet with clamping plate 7, guarantee that described silicon steel sheet is not crooked.
Claims (2)
- During an EHV transformer empiecement for preventing the device of silicon steel sheet bending, it is characterized in that, comprise angle steel (6), screw rod (2), clamping plate (7) and several covers (4), described angle steel (6) upper end is welded with several pipes (5), described cover (4), pipe (5) are socketed on a side of described screw rod (2), described clamping plate (7) are socketed on the opposite side of described screw rod (2), described cover (4) is positioned at the outside of described pipe (5), the insulating nut (3) that the two ends of described screw rod (2) are equipped with screw thread and match with described screw thread.
- During a kind of EHV transformer empiecement according to claim 1 for preventing the device of silicon steel sheet bending, it is characterized in that, the upper end of described angle steel (6) also is welded with joint hinge (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310446291.2A CN103500642A (en) | 2013-09-26 | 2013-09-26 | Device for preventing silicon steel sheet from being bent in sheet embedding process of ultrahigh voltage transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310446291.2A CN103500642A (en) | 2013-09-26 | 2013-09-26 | Device for preventing silicon steel sheet from being bent in sheet embedding process of ultrahigh voltage transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103500642A true CN103500642A (en) | 2014-01-08 |
Family
ID=49865841
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310446291.2A Pending CN103500642A (en) | 2013-09-26 | 2013-09-26 | Device for preventing silicon steel sheet from being bent in sheet embedding process of ultrahigh voltage transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103500642A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200990269Y (en) * | 2006-12-05 | 2007-12-12 | 中电电气集团有限公司 | Mine flameproof type transformer iron core horizontal clamping device |
| CN201478060U (en) * | 2009-08-01 | 2010-05-19 | 三变科技股份有限公司 | Clamping device of transformer yoke |
| CN101710533A (en) * | 2009-11-27 | 2010-05-19 | 张家港市中亚特种变压器制造有限公司 | Fixed structure of iron core inside transformer |
| CN201717096U (en) * | 2010-07-07 | 2011-01-19 | 青岛市恒顺电气股份有限公司 | Iron core quick-mounting clamp |
| CN102368426A (en) * | 2011-11-10 | 2012-03-07 | 保定天威集团有限公司 | Yoke piece clamp for inserting iron |
| CN202422952U (en) * | 2012-01-19 | 2012-09-05 | 杭州银湖电气设备有限公司 | Foil wound dry-type iron core reactor |
-
2013
- 2013-09-26 CN CN201310446291.2A patent/CN103500642A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200990269Y (en) * | 2006-12-05 | 2007-12-12 | 中电电气集团有限公司 | Mine flameproof type transformer iron core horizontal clamping device |
| CN201478060U (en) * | 2009-08-01 | 2010-05-19 | 三变科技股份有限公司 | Clamping device of transformer yoke |
| CN101710533A (en) * | 2009-11-27 | 2010-05-19 | 张家港市中亚特种变压器制造有限公司 | Fixed structure of iron core inside transformer |
| CN201717096U (en) * | 2010-07-07 | 2011-01-19 | 青岛市恒顺电气股份有限公司 | Iron core quick-mounting clamp |
| CN102368426A (en) * | 2011-11-10 | 2012-03-07 | 保定天威集团有限公司 | Yoke piece clamp for inserting iron |
| CN202422952U (en) * | 2012-01-19 | 2012-09-05 | 杭州银湖电气设备有限公司 | Foil wound dry-type iron core reactor |
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|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20140108 |