CN105679526A - Annular axial pressing device and annular axial pressing method for transformer coil - Google Patents
Annular axial pressing device and annular axial pressing method for transformer coil Download PDFInfo
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- CN105679526A CN105679526A CN201410669149.9A CN201410669149A CN105679526A CN 105679526 A CN105679526 A CN 105679526A CN 201410669149 A CN201410669149 A CN 201410669149A CN 105679526 A CN105679526 A CN 105679526A
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- ring shaped
- pressure
- shaped axial
- down gear
- annular axial
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Abstract
The invention relates to an annular axial pressing device and an annular axial pressing method for a transformer coil. The annular axial pressing device is provided with a pressure plate and an upper hanger plate which are connected through a chain; and the lower part of the pressure plate is provided with a plurality of position adjustable pressure beams along the radial direction of the pressure plate. The method comprises the following steps: according to the inner diameter of a coil to be pre-pressed, adjusting the adjustable pressure beams of the annular axial pressing device; using a hoist to hoist the annular axial pressing device, and directly putting the annular axial pressing device on the section of the coil to be pre-pressed; controlling the pre-pressing time to be 10-20 minutes; and after the pre-pressing of the section of the coil is finished, hoisting and moving away the annular axial pressing device, so that the one-time pre-pressing process is finished. According to the annular axial pressing device and the annular axial pressing method, the pre-pressing process is realized in the coil winding process as well as after completion of winding and before demolding, so that the problem that the winding of the coil with a larger wire gauge or a special structure is not compact is solved.
Description
Technical field
The present invention relates to a kind of instrument manufacturing transformer, specifically a kind of transformer winding ring shaped axial hold-down gear and compressing method.
Background technology
Rapidly, the product performance of transformer are required also more and more higher by Subscriber Unit in transformer industry development. Therefore continually develop the voltage that hits new peak, the high-power transformer of big current and converter power transformer according to customer need, these transformers are all again the great products on state key project financing. The winding wire complex structure of these products, is difficult in coiling process ensure that coil is axial tight real, especially adopting vertical winding machine, axially tight is avoid line segment to fall in fact, avoids the crucial measure of control of line segment short circuit.
For above reason, need to research and develop a kind of before the coil-winding process neutralizing coil demoulding, carry out prepressing device, it is ensured that the tight reality of line segment axis that coiling is complete.
And at present, it is possible to there is not been reported to meet the transformer winding ring shaped axial hold-down gear of above-mentioned demand.
Summary of the invention
For lacking the prepressing device of coil before the coiling process neutralizing coil demoulding in prior art, this is not enough, and the technical problem to be solved in the present invention is to provide and a kind of realizes the tightly real transformer winding ring shaped axial hold-down gear of wire gauge is relatively big or structure is special coil winding and compressing method.
For solving the problems of the technologies described above, the technical solution used in the present invention is:
A kind of transformer winding ring shaped axial hold-down gear of the present invention, has pressure dish and upper boatswain chair, and the two is connected by chain, and pressure dish bottom is provided with multiple pressure beam along the radial adjustable position of pressure dish.
The position of described pressure dish bottom correspondence pressure beam is provided with drawing structure, comprises slide rail and cutting ferrule, and slide rail and cutting ferrule are fixedly installed on flat platen bottom face along pressure dish radial direction, and pressure beam edge is slidably connected on slide rail, and pressure beam is placed through in cutting ferrule.
Described cutting ferrule comprises two web plates and a base plate, and two web plates are installed vertically on flat platen bottom face, and a base plate is horizontally installed in two web plate ends, and pressure beam slides in the pulling hole being placed through two web plates, a base plate and flat platen bottom face formation.
Described pressure beam outer end is provided with takes out handle.
Described pressure beam and take out and draw track to be insulating material.
Described upper boatswain chair is criss-cross construction, and top, point of crossing is hook, and four ends of upper boatswain chair connect, by chain, the shack being distributed on pressure dish.
Described pressure beam is 6～10.
A kind of transformer winding ring shaped axial compressing method of the present invention, comprises the following steps:
Internal coil diameter according to wanted precompressed, the multiple of adjustment annular axial compression device can pressure regulation beam;
Adopt crane to hang fortune ring shaped axial hold-down gear, it is placed directly on the coil line segment of wanted precompressed;
Control squeeze time 10～20 minutes;
Ring shaped axial hold-down gear is hung migration and opens after completing by coil line segment precompressed, and a complete pre-compaction process terminates.
The present invention has following useful effect and advantage:
1. the invention solves in coil-winding process and coiling complete after before the demoulding, precompressed problem need to be carried out, thus solve the tight real problem of coil winding that wire gauge is relatively big or structure is special.
2. the present invention is annular compression ring, add coil along the circumferential direction by force, can ensure that product is at circumferential direction by pressure evenly; , connect at annular pressure dish top boatswain chair, suspension ring and chain meanwhile, ensure that pressure ring is to coil pressure stress balance in the horizontal direction.
3. the deadweight of pressure ring of the present invention is relatively big, adopt crane with the use of, can be the precompressed of coil like this and sufficient snap-in force be provided, it is ensured that the tight real degree of line segment precompressed, thus avoid coil winding tight real, cause the problem that stay coiling is lower or wire drops.
4. apparatus of the present invention and method are simple and practical, it may also be useful to efficiency height, ensure that line segment is tightly real, it is to increase quality product.
Accompanying drawing explanation
Figure 1A is transformer winding ring shaped axial hold-down gear structural front view of the present invention;
Figure 1B is the vertical view of Figure 1A;
The I portion that Fig. 1 C is Figure 1A rotates enlarged view;
Fig. 2 is use procedure schematic diagram of the present invention.
Wherein, 1 is upper boatswain chair, and 2 is chain, and 3 is pressure beam, and 4 is pressure dish, and 5 is slide rail, and 7 is web plate, and 8 is base plate, and 12 is chain shack, and 13 is annular prepressing device, and 14 is coil line segment, and 15 is mould, and 16 is that lifting is vertical around machine.
Embodiment
Below in conjunction with Figure of description, the present invention is further elaborated.
As shown in figs. 1 a to 1 c, a kind of transformer winding ring shaped axial hold-down gear of the present invention, it is characterised in that: having pressure dish 4 and upper boatswain chair 1, the two is connected by chain 2, and pressure dish 4 bottom is provided with multiple pressure beam 3 along the radial adjustable position of pressure dish. The position of pressure dish 4 bottom correspondence pressure beam 3 is provided with drawing structure, and this drawing structure comprises slide rail 5 and cutting ferrule, and slide rail and cutting ferrule are fixedly installed on pressure dish 4 bottom surface along pressure dish 4 radial direction, and pressure beam 3 edge is slidably connected on slide rail 5, and pressure beam 3 is placed through in cutting ferrule.
As shown in Figure 1 C, cutting ferrule comprises two web plates 7 and a base plate 8, two web plates 7 are installed vertically on pressure dish 4 bottom surface, and a base plate 8 is horizontally installed in two web plate 7 ends, and pressure beam slides in the pulling hole being placed through two web plates, 7, base plate 8 and the formation of pressure dish 4 bottom surface. In order to handled easily, the present embodiment is pressed beam 3 outer end be also provided with and take out handle.
As shown in Figure 1B, upper boatswain chair 1 is criss-cross construction, and top, point of crossing is hook, and four ends of upper boatswain chair 1 connect, by chain 2, the chain shack 12 being distributed on pressure dish 4; Pressure beam is 6～10, and the present embodiment is 6.
As shown in Figure 2, a kind of transformer winding ring shaped axial compressing method of the present invention, comprises the following steps:
Internal coil diameter according to wanted precompressed, the multiple of adjustment annular axial compression device can pressure regulation beam;
Adopt crane to hang fortune ring shaped axial hold-down gear, it is placed directly on the coil line segment of wanted precompressed;
Control squeeze time 10～20 minutes; The present embodiment is 15 minutes.
Ring shaped axial hold-down gear is hung migration and opens after completing by coil line segment precompressed, and a complete pre-compaction process terminates.
Lifting is vertical in machine 16 coiling process, a coil line segment coiling part, half or before taking off mould, for ensureing that coil line segment is axially tight real, carrying out precompressed with ring shaped axial hold-down gear, the present embodiment is first according to the internal coil diameter of wanted precompressed, and adjustment annular six of axial compression device can pressure regulation beam, this structure pressure beam is radial axle pull-up structure, take out and draw track and pressure beam to adopt insulating material, avoid taking out generation metallic dust when drawing, avoid polluted product;
Utilize crane to hang fortune ring shaped axial hold-down gear, it is placed directly on the coil line segment of wanted precompressed.
Ring shaped axial hold-down gear is hung migration and opens after completing by coil line segment precompressed.
Coil line segment is after precompressed, and line segment is axially tight real, ensure that coil there will not be line segment to fall accident after demoulding, thus avoids the generation of coil line segment pressurization short circuit phenomenon when entering stove and be dry.
Claims (8)
1. a transformer winding ring shaped axial hold-down gear, it is characterised in that: having pressure dish and upper boatswain chair, the two is connected by chain, and pressure dish bottom is provided with multiple pressure beam along the radial adjustable position of pressure dish.
2. by transformer winding ring shaped axial hold-down gear according to claim 1, it is characterized in that: the position of described pressure dish bottom correspondence pressure beam is provided with drawing structure, comprise slide rail and cutting ferrule, slide rail and cutting ferrule are fixedly installed on flat platen bottom face along pressure dish radial direction, pressure beam edge is slidably connected on slide rail, and pressure beam is placed through in cutting ferrule.
3. by transformer winding ring shaped axial hold-down gear according to claim 2, it is characterized in that: described cutting ferrule comprises two web plates and a base plate, two web plates are installed vertically on flat platen bottom face, a base plate is horizontally installed in two web plate ends, and pressure beam slides in the pulling hole being placed through two web plates, a base plate and flat platen bottom face formation.
4. by transformer winding ring shaped axial hold-down gear according to claim 2, it is characterised in that: described pressure beam outer end is provided with takes out handle.
5. by transformer winding ring shaped axial hold-down gear according to claim 2, it is characterised in that: described pressure beam and take out and draw track to be insulating material.
6. by transformer winding ring shaped axial hold-down gear according to claim 1, it is characterised in that: described upper boatswain chair is criss-cross construction, and top, point of crossing is hook, and four ends of upper boatswain chair connect, by chain, the shack being distributed on pressure dish.
7. by transformer winding ring shaped axial hold-down gear according to claim 1, it is characterised in that: described pressure beam is 6～10.
8. a transformer winding ring shaped axial compressing method, it is characterised in that comprise the following steps:
Internal coil diameter according to wanted precompressed, the multiple of adjustment annular axial compression device can pressure regulation beam;
Adopt crane to hang fortune ring shaped axial hold-down gear, it is placed directly on the coil line segment of wanted precompressed;
Control squeeze time 10～20 minutes;
Ring shaped axial hold-down gear is hung migration and opens after completing by coil line segment precompressed, and a complete pre-compaction process terminates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410669149.9A CN105679526B (en) | 2014-11-21 | 2014-11-21 | A kind of transformer coil ring shaped axial pressing device and compressing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410669149.9A CN105679526B (en) | 2014-11-21 | 2014-11-21 | A kind of transformer coil ring shaped axial pressing device and compressing method |
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| Publication Number | Publication Date |
|---|---|
| CN105679526A true CN105679526A (en) | 2016-06-15 |
| CN105679526B CN105679526B (en) | 2018-05-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410669149.9A Active CN105679526B (en) | 2014-11-21 | 2014-11-21 | A kind of transformer coil ring shaped axial pressing device and compressing method |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106449079A (en) * | 2016-09-23 | 2017-02-22 | 国网江苏省电力公司电力科学研究院 | Pneumatic press tool of pie winding |
| CN107369551A (en) * | 2017-09-20 | 2017-11-21 | 北京龙诚健康大数据科技有限公司 | Surface coils wind and surface coils winding supplementary structure |
| CN110921108A (en) * | 2019-12-25 | 2020-03-27 | 常州中航泰克船舶装备有限公司 | Special storage and transportation box for long cylindrical or long strip articles |
| CN112382493A (en) * | 2020-10-30 | 2021-02-19 | 常德国力变压器有限公司 | Auxiliary mounting device for mounting heat dissipation assembly connector on transformer box body |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN201243246Y (en) * | 2008-07-31 | 2009-05-20 | 上海电气集团上海电机厂有限公司 | Compacting tool for pole winding |
| CN201364815Y (en) * | 2008-11-19 | 2009-12-16 | 中电电气集团有限公司 | Press mounting mould for transformer coil |
| CN201549370U (en) * | 2009-10-13 | 2010-08-11 | 中电电气集团有限公司 | Integral press-fitting structure of high and low voltage coils of dry-type transformer |
| CN203134553U (en) * | 2013-03-28 | 2013-08-14 | 泰安市英大迅能电气科技有限公司 | Adjustable coil pressing tool |
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2014
- 2014-11-21 CN CN201410669149.9A patent/CN105679526B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201243246Y (en) * | 2008-07-31 | 2009-05-20 | 上海电气集团上海电机厂有限公司 | Compacting tool for pole winding |
| CN201364815Y (en) * | 2008-11-19 | 2009-12-16 | 中电电气集团有限公司 | Press mounting mould for transformer coil |
| CN201549370U (en) * | 2009-10-13 | 2010-08-11 | 中电电气集团有限公司 | Integral press-fitting structure of high and low voltage coils of dry-type transformer |
| CN203134553U (en) * | 2013-03-28 | 2013-08-14 | 泰安市英大迅能电气科技有限公司 | Adjustable coil pressing tool |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106449079A (en) * | 2016-09-23 | 2017-02-22 | 国网江苏省电力公司电力科学研究院 | Pneumatic press tool of pie winding |
| CN107369551A (en) * | 2017-09-20 | 2017-11-21 | 北京龙诚健康大数据科技有限公司 | Surface coils wind and surface coils winding supplementary structure |
| CN107369551B (en) * | 2017-09-20 | 2024-02-09 | 北京龙诚健康大数据科技有限公司 | Surface coil winding device and surface coil winding auxiliary structure |
| CN110921108A (en) * | 2019-12-25 | 2020-03-27 | 常州中航泰克船舶装备有限公司 | Special storage and transportation box for long cylindrical or long strip articles |
| CN112382493A (en) * | 2020-10-30 | 2021-02-19 | 常德国力变压器有限公司 | Auxiliary mounting device for mounting heat dissipation assembly connector on transformer box body |
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| Publication number | Publication date |
|---|---|
| CN105679526B (en) | 2018-05-11 |
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