CN202487318U - High-strength pulling plate structure for transformer - Google Patents
High-strength pulling plate structure for transformer Download PDFInfo
- Publication number
- CN202487318U CN202487318U CN2012200575838U CN201220057583U CN202487318U CN 202487318 U CN202487318 U CN 202487318U CN 2012200575838 U CN2012200575838 U CN 2012200575838U CN 201220057583 U CN201220057583 U CN 201220057583U CN 202487318 U CN202487318 U CN 202487318U
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- pulling plate
- tie
- arm
- high strength
- plate structure
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Abstract
The utility model relates to a high-strength pulling plate structure for a transformer. The number of pulling plate grooves on a pulling plate is increased, and the length of the pulling plate grooves is designed based on the fact that clamp webs can stretch into the pulling plate grooves. A plurality of the pulling plate grooves are arranged, a center distance between the two pulling plate grooves is 55 millimeters, an edge distance between the center of the pulling plate grooves and the pulling plate is 52.5 millimeters, and reinforcing plates are arranged on two end portions of the pulling plate. The high-strength pulling plate structure for the transformer reduces structure size of the pulling plate, increases the a filling rate of an iron core, improves economy of products, enables flux leakage loss performance of high-strength steel to achieve the level of non-magnetic steel, and therefore phenomenon of local overheating can not occur.
Description
Technical field
The utility model relates to a kind of transformer manufacturing technology, and a kind of specifically transformer is used the high strength pulling plate structure.
Background technology
At present, domestic power transformer product iron core arm-tie all adopts the manufacturing of nonmagnetic steel plate, though the nonmagnetic steel plate has good diamagnetism; Lower eddy current loss, but intensity is low, causes the arm-tie dimensions bigger than normal; Influencing the core section filling rate further promotes; And nonmagnetic steel plate price is high, price per ton up to 20,000 yuan about, finally cause the product economy performance not high.
At present, domestic power transformer product iron core arm-tie adopts the nonmagnetic steel material manufacture more.Though the nonmagnetic steel material has good low magnetism leakage drain performance, local overheating can not occur, its mechanical strength is not high, causes dimensions bigger than normal, and the filling rate of core section can't further improve again, influences the economy of product design scheme.
Conventional nonmagnetic steel arm-tie is because mechanical strength is low, and in order to reach required requirement of mechanical strength, the physical dimension of arm-tie certainly will be done very greatly, has influenced the filling rate of core section, causes the decline of product economy property.To add performance relatively poor for nonmagnetic steel material machine in addition, is unfavorable for production and processing, causes the Workshop Production inefficiency.
The utility model content
The transformer that, mechanical strength not high deficiency big with the pulling plate structure size to transformer in the prior art, the technical problem that the utility model will solve provide a kind of filling rate that increases iron core, improve mechanical strength is used the high strength pulling plate structure.
For solving the problems of the technologies described above, the technical scheme that the utility model adopts is:
A kind of transformer of the utility model is used the high strength pulling plate structure, on arm-tie, increases the quantity of arm-tie fluting, and the arm-tie slotting length is for can put in the folder web.
Said arm-tie adopts the HG785E high strength steel.
The arm-tie fluting is for a plurality of, and two groove centers are apart from being 55mm, and groove center is 52.5mm to the arm-tie back gauge.
Be provided with stiffener at the arm-tie both ends.
Be provided with the web end face boundary line that is used to limit folder web installation site in arm-tie upper reinforcing plate inboard.
The said position that has stiffener at the arm-tie both ends is provided with pin shaft hole and arm-tie bearing pin retaining thread hole.
The utlity model has following beneficial effect and advantage:
1. the utility model has reduced the physical dimension of arm-tie, has increased the filling rate of iron core, has improved the economy of product, makes the dispersion loss performance of high strength steel reach the level of nonmagnetic steel, and the phenomenon of local overheating does not take place.
2. the utility model high strength arm-tie adopts the manufacturing of HG785E high strength steel, and unit price is cheap nearly 1/3 than nonmagnetic steel, and consumption is saved nearly 2/3 than nonmagnetic steel, comprehensively get off to practice thrift cost 75%.
3.HG785E the high strength steel machining property will be superior to nonmagnetic steel greatly, makes things convenient for Workshop Production, has improved production efficiency.
Description of drawings
Fig. 1 is the utility model high strength pulling plate structure sketch map;
Fig. 2 is the vertical view after the utility model high strength arm-tie is accomplished assembling.
Wherein, 1 is arm-tie, and 2 is stiffener, and 3 are the arm-tie fluting, and 4 is the arm-tie pin shaft hole, and 5 is arm-tie bearing pin retaining thread hole, and 6 is web end face boundary line.
Embodiment
Below in conjunction with Figure of description the utility model is done further to set forth.
Like Fig. 1, shown in 2, a kind of transformer of the utility model uses the high strength pulling plate structure to be: on arm-tie 1, increase the quantity of arm-tie fluting 3, arm-tie is slotted 3 length for can put in folder web 20mm.
Arm-tie 1 is divided equally fluting with the 55mm spacing.Groove width 8mm makes things convenient for Workshop Production.Weldering stiffener 2 in arm-tie 1 end is to increase the stress cross section that reduces because of the expense hole.Arm-tie 1 belongs to ferromagnetic material, and eddy current loss is bigger in the stray field, causes local overheating easily.In order to overcome the above-mentioned material shortcoming, the high strength arm-tie can only structurally be taken measures.Theory and practice proves that the size of arm-tie eddy current loss is directly proportional with the arm-tie width approx, increases arm-tie fluting number and length and can reduce arm-tie eddy current loss significantly, and can reduce the generation of local overheating effectively.
Be provided with the web end face boundary line 6 that is used to limit folder web installation site in arm-tie 1 upper reinforcing plate 2 inboards, the position that has stiffener 2 at arm-tie 1 both ends is provided with pin shaft hole 4 and arm-tie bearing pin retaining thread hole 5.
The HG785E high strength steel manufacturing that the high strength arm-tie adopts domestic Wuhan Iron and Steel Company to produce; The intensity of HG785E high strength steel is 3 times of nonmagnetic steel; It is full-sized 1/3 that the physical dimension of high strength arm-tie can be reduced to, and increased the filling rate of iron core, improved the economy of product.Existing high intensity has plasticity and toughness preferably again.Can directly under quality adjustment condition, weld, postwelding needn't carry out modifier treatment.Its good machine adds, welding and mechanical property can satisfy the demand of making arm-tie fully.
The manufacture process of the utility model is:
Press the blanking of figure paper size, wherein arm-tie width W=50+55n (n is the fluting number);
Arm-tie two seamed edge machines add chamfering R5;
Plasma cutting fluting, groove width 8mm, flute length exceed web end face boundary line 20mm, and two groove centers are apart from 55mm, and groove center is 52.5mm to the arm-tie limit;
Arm-tie two ends weldering stiffener and tooling pin axis hole and retaining thread hole;
The arm-tie manufacturing is accomplished.
This novel high strength pulling plate structure has been SFFZ10-48000/220 in model in the present embodiment, tries out in the product of SFSZ-180000/220, and the phenomenon of arm-tie local overheating does not take place, and has obtained good effect.
Claims (6)
1. a transformer is used the high strength pulling plate structure, it is characterized in that: go up the quantity that increases arm-tie fluting (3) at arm-tie (1), arm-tie fluting (3) length is for can put in the folder web.
2. use the high strength pulling plate structure by the described transformer of claim 1, it is characterized in that: said arm-tie (1) adopts the HG785E high strength steel.
3. use the high strength pulling plate structure by the described transformer of claim 1, it is characterized in that: arm-tie fluting (3) is for a plurality of, and two groove centers are apart from being 55mm, and groove center is 52.5mm to arm-tie (1) back gauge.
4. use the high strength pulling plate structure by the described transformer of claim 1, it is characterized in that: be provided with stiffener (2) at arm-tie (1) both ends.
5. use the high strength pulling plate structure by the described transformer of claim 1, it is characterized in that: be provided with the web end face boundary line (6) that is used to limit folder web installation site in arm-tie (1) upper reinforcing plate (2) inboard.
6. use the high strength pulling plate structure by the described transformer of claim 1, it is characterized in that: the said position that has stiffener (2) at arm-tie (1) both ends is provided with pin shaft hole (4) and arm-tie bearing pin retaining thread hole (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200575838U CN202487318U (en) | 2012-02-22 | 2012-02-22 | High-strength pulling plate structure for transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200575838U CN202487318U (en) | 2012-02-22 | 2012-02-22 | High-strength pulling plate structure for transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202487318U true CN202487318U (en) | 2012-10-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200575838U Expired - Lifetime CN202487318U (en) | 2012-02-22 | 2012-02-22 | High-strength pulling plate structure for transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202487318U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105097226A (en) * | 2015-08-26 | 2015-11-25 | 人民电器集团江苏斯诺成套设备工程有限公司 | Low temperature rise dry-type transformer |
| CN105976996A (en) * | 2016-06-23 | 2016-09-28 | 山东达驰电气有限公司 | Pull plate for transformer |
| CN106057450A (en) * | 2016-07-27 | 2016-10-26 | 中电电气(江苏)股份有限公司 | Transformer pulling board |
-
2012
- 2012-02-22 CN CN2012200575838U patent/CN202487318U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105097226A (en) * | 2015-08-26 | 2015-11-25 | 人民电器集团江苏斯诺成套设备工程有限公司 | Low temperature rise dry-type transformer |
| CN105976996A (en) * | 2016-06-23 | 2016-09-28 | 山东达驰电气有限公司 | Pull plate for transformer |
| CN106057450A (en) * | 2016-07-27 | 2016-10-26 | 中电电气(江苏)股份有限公司 | Transformer pulling board |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20121010 |