CN210156254U - Dry-type high-voltage coil die - Google Patents

Dry-type high-voltage coil die Download PDF

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Publication number
CN210156254U
CN210156254U CN201921309190.XU CN201921309190U CN210156254U CN 210156254 U CN210156254 U CN 210156254U CN 201921309190 U CN201921309190 U CN 201921309190U CN 210156254 U CN210156254 U CN 210156254U
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CN
China
Prior art keywords
ring
supporting plate
inner ring
middle ring
outer ring
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.)
Withdrawn - After Issue
Application number
CN201921309190.XU
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Chinese (zh)
Inventor
黄伟
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Xuancheng Shenbian Transformer Co ltd
Original Assignee
CHINA ZHONGBIAN GROUP SHANGHAI TRANSFORMER Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
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Priority to CN201921309190.XU priority Critical patent/CN210156254U/en
Application granted granted Critical
Publication of CN210156254U publication Critical patent/CN210156254U/en
Withdrawn - After Issue legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model provides a dry-type high-voltage transformer ring die which is characterized by comprising an inner ring, a middle ring, an outer ring, an upper supporting plate and a lower supporting plate; the inner ring and the middle ring both comprise a left half ring and a right half ring which are connected through an elastic telescopic piece; the middle ring is sleeved outside the inner ring; the outer ring is sleeved outside the middle ring; a reserved space for embedding a low-voltage coil is arranged between the middle ring and the inner ring, and a reserved space for embedding a high-voltage coil is arranged between the outer ring and the middle ring; the upper end and the lower end of the inner ring, the middle ring and the outer ring are respectively provided with a connecting block which is connected with an upper supporting plate and a lower supporting plate, and the upper supporting plate is covered on the upper end surfaces of the inner ring, the middle ring and the outer ring through the connecting blocks; the lower support plate is covered by the connecting block and is arranged on the lower end face of the inner ring, the middle ring and the outer ring, so that the coil installation is convenient, and the dry high-voltage coil mould with the demoulding phenomenon is prevented from being formed due to the self resilience effect after the coil installation.

Description

Dry-type high-voltage coil die
Technical Field
The utility model relates to a transformer technical field especially relates to a change high voltage coil mould futilely.
Background
At present, a dry type transformer coil structure is mainly long round, and is generally formed by winding through a winding machine combined with a winding die with an oval cross section, but a plurality of problems exist in the winding process of long round coils, wherein the most difficult problem is that the problem which is not completely solved is that the coil short direction generates large outward expansion force due to the self-rebound action of a cable in the winding process, so that the coil short direction is stripped from the surface of the winding die and arched outwards, the size of the finally formed coil is large, the technical requirements are seriously exceeded, and therefore great difficulty is brought to the subsequent assembly production process, and rework which cannot be obtained by unqualified tests of a serious person is even turned into waste products.
Therefore, in order to solve the above problems, the structure of the existing winding former needs to be improved, so that the coil is prevented from being separated from the surface of the winding former in the short direction and arched outwards in the winding process, the coil forming size meets the technical requirements, and the coil forming quality is ensured, thereby being beneficial to subsequent assembly.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a coil installation of being convenient for to avoid behind the coil installation because the rebound effect of self, the dry uprising coil mould that becomes of phenomenons appears in drawing of patterns.
In order to achieve the purpose, the utility model provides a dry-type high-voltage transformer ring die, which comprises an inner ring, a middle ring, an outer ring, an upper supporting plate and a lower supporting plate; the inner ring and the middle ring respectively comprise a left half ring and a right half ring, and the left half ring and the right half ring are connected through an elastic telescopic piece;
the middle ring is sleeved outside the inner ring; the outer ring is sleeved outside the middle ring; a reserved space for embedding a low-voltage coil is arranged between the middle ring and the inner ring, and a reserved space for embedding a high-voltage coil is arranged between the outer ring and the middle ring;
the upper end and the lower end of the inner ring, the middle ring and the outer ring are respectively provided with a connecting block which is connected with the upper supporting plate and the lower supporting plate, and the upper supporting plate is covered on the upper end surfaces of the inner ring, the middle ring and the outer ring through the connecting blocks; the lower supporting plate is arranged on the lower end faces of the inner ring, the middle ring and the outer ring through the connecting block cover.
Preferably, a plurality of groups of connecting blocks which are arranged oppositely are arranged on the inner side wall of the connecting surface of the left half ring and the right half ring, connecting holes are formed in the connecting blocks, and the elastic expansion piece is inserted between the two opposite connecting blocks to realize the connection between the left half ring and the right half ring.
Preferably, the elastic expansion piece comprises a fastening bolt, a nut and a spring; the spring is sleeved on the bolt, the bolt is connected between the two oppositely-arranged connecting blocks through the nut, and the spring is positioned between the two connecting blocks, namely between the left half-turn and the right half-turn.
Preferably, the inner ring, the middle ring and the outer ring are all insulated metal plates.
Preferably, the upper supporting plate and the lower supporting plate are insulating metal plates, and the iron core is embedded in the inner side of the inner ring and erected between the upper supporting plate and the lower supporting plate.
Preferably, the upper supporting plate is provided with a high-voltage electric transmission end and a low-voltage electric transmission break.
Preferably, the upper supporting plate and the lower supporting plate are provided with bolt holes, the upper end surface and the lower end surface of the inner ring, the middle ring and the outer ring are provided with fixing blocks, and the fixing blocks are provided with positioning holes matched with the bolt holes
Compared with the prior art, the utility model has the advantages that: the inner ring and the middle ring of the dry-type high-voltage coil die are connected through the elastic expansion piece, the low-voltage wire group is wound on the inner ring, and the high-voltage wire group is wound on the middle ring; after the low-voltage line group and the high-voltage line group are wound, the left half ring and the right half ring are expanded outwards by a certain distance through the elastic expansion piece until the left half ring, the right half ring and the low-voltage coil are completely abutted, so that the inner ring and the middle ring are both the low-voltage coil and the high-voltage coil to provide certain tension, and the phenomenon of demoulding of the coils and a mould is avoided.
Drawings
Fig. 1 is a schematic view of an overall structure of a dry-type transformer coil mold according to an embodiment of the present invention.
Fig. 2 is a schematic view of a connection structure between a left half-ring and a right half-ring of a dry-type transformer coil mold and an elastic expansion piece according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be further described below.
As shown in fig. 1 and 2, the utility model provides a dry-type transformer coil mold, which comprises an inner ring 1, a middle ring 2, an outer ring 3, an upper support plate 4 and a lower support plate 5; the inner ring 1 and the middle ring 2 both comprise a left half ring and a right half ring which are connected through an elastic expansion piece 6;
the middle ring 2 is sleeved outside the inner ring 1; the outer ring 3 is sleeved outside the middle ring 2; a reserved space for embedding a low-voltage coil is arranged between the middle ring 2 and the inner ring 1, and a reserved space for embedding a high-voltage coil is arranged between the outer ring 3 and the middle part;
the upper end and the lower end of the inner ring 1, the middle ring 2 and the outer ring 3 are respectively provided with a connecting block which is connected with an upper supporting plate 4 and a lower supporting plate 5, and the upper supporting plate 4 is covered on the upper end surfaces of the inner ring 1, the middle ring 2 and the outer ring 3 through the connecting blocks; the lower supporting plate 5 is arranged on the lower end faces of the inner ring 1, the middle ring 2 and the outer ring 3 through connecting block covers.
In this embodiment, the inner ring 1 and the middle ring 2 of the dry-type high voltage coil die of the present invention are connected through the elastic expansion piece 6, the low voltage group is wound on the inner ring 1, and the high voltage group is wound on the middle ring 2; after the low-voltage line group and the high-voltage line group are wound, the left half ring and the right half ring are outwards expanded by a certain distance through the elastic expansion piece 6 until the left half ring, the right half ring and the low-voltage coil are completely abutted, so that the inner ring 1 and the middle ring 2 are both the low-voltage coil and the high-voltage coil to provide certain tension, and the phenomenon of demoulding of the coils and dies is avoided.
In this embodiment, all be equipped with the relative connecting block that sets up of multiunit on the inside wall of the face of connecting of left half circle and right half circle, all be equipped with the connecting hole on the connecting block, insert through elastic expansion piece 6 and locate between two relative connecting blocks, realize linking between left half circle and the right half circle.
In the present embodiment, the elastic expansion member 6 includes a fastening bolt, a nut, and a spring; the spring housing is arranged on the bolt, the bolt is connected between the two connecting blocks which are oppositely arranged through the nut, and the spring is positioned between the two connecting blocks, namely between the left half ring and the right half ring, so that certain tension is provided for the left half ring and the right half ring.
In the present embodiment, the inner ring 1, the middle ring 2, and the outer ring 3 are all insulating metal plates.
In this embodiment, the upper support plate 4 and the lower support plate 5 are insulating metal plates, and the iron core is pre-buried inside the inner ring 1 and is erected between the upper support plate 4 and the lower support plate 5.
In this embodiment, the upper support plate 4 is provided with a high voltage power transmission terminal and a low voltage power transmission interruption.
In this embodiment, be equipped with the bolt hole on upper support plate 4 and the bottom suspension fagging 5, the upper and lower terminal surface of inner circle 1, centre circle 2 and outer lane 3 all is equipped with the fixed block, is equipped with on the fixed block with bolt hole complex locating hole.
The above description is only for the preferred embodiment of the present invention, and does not limit the present invention. Any technical personnel who belongs to the technical field, in the scope that does not deviate from the technical scheme of the utility model, to the technical scheme and the technical content that the utility model discloses expose do the change such as the equivalent replacement of any form or modification, all belong to the content that does not break away from the technical scheme of the utility model, still belong to within the scope of protection of the utility model.

Claims (7)

1. A dry-type high-voltage transformer ring die is characterized by comprising an inner ring, a middle ring, an outer ring, an upper supporting plate and a lower supporting plate; the inner ring and the middle ring respectively comprise a left half ring and a right half ring, and the left half ring and the right half ring are connected through an elastic telescopic piece;
the middle ring is sleeved outside the inner ring; the outer ring is sleeved outside the middle ring; a reserved space for embedding a low-voltage coil is arranged between the middle ring and the inner ring, and a reserved space for embedding a high-voltage coil is arranged between the outer ring and the middle ring;
the upper end and the lower end of the inner ring, the middle ring and the outer ring are respectively provided with a connecting block which is connected with the upper supporting plate and the lower supporting plate, and the upper supporting plate is covered on the upper end surfaces of the inner ring, the middle ring and the outer ring through the connecting blocks; the lower supporting plate is arranged on the lower end faces of the inner ring, the middle ring and the outer ring through the connecting block cover.
2. The dry-type transformer coil die as claimed in claim 1, wherein a plurality of sets of oppositely arranged connecting blocks are arranged on the inner side wall of the connecting surface of the left half ring and the right half ring, connecting holes are arranged on the connecting blocks, and the elastic expansion piece is inserted between the two opposite connecting blocks to realize the connection between the left half ring and the right half ring.
3. The dry high tension coil die of claim 2, wherein the resilient bellows comprises a fastening bolt, a nut, and a spring; the spring is sleeved on the bolt, the bolt is connected between the two oppositely-arranged connecting blocks through the nut, and the spring is positioned between the two connecting blocks, namely between the left half-turn and the right half-turn.
4. The dry high voltage transformer coil mold according to claim 1, wherein the inner ring, the middle ring and the outer ring are all insulated metal plates.
5. The dry high-voltage transformer coil mold according to claim 1, wherein the upper support plate and the lower support plate are insulated metal plates, and an iron core is embedded inside the inner ring and erected between the upper support plate and the lower support plate.
6. The dry high-voltage transformer coil die as claimed in claim 1, wherein the upper supporting plate is provided with a high-voltage power transmission terminal and a low-voltage power transmission disconnection.
7. The dry high-voltage transformer ring die as claimed in claim 1, wherein bolt holes are formed in the upper supporting plate and the lower supporting plate, fixing blocks are arranged on the upper end surface and the lower end surface of the inner ring, the middle ring and the outer ring, and positioning holes matched with the bolt holes are formed in the fixing blocks.
CN201921309190.XU 2019-08-13 2019-08-13 Dry-type high-voltage coil die Withdrawn - After Issue CN210156254U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201921309190.XU CN210156254U (en) 2019-08-13 2019-08-13 Dry-type high-voltage coil die

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201921309190.XU CN210156254U (en) 2019-08-13 2019-08-13 Dry-type high-voltage coil die

Publications (1)

Publication Number Publication Date
CN210156254U true CN210156254U (en) 2020-03-17

Family

ID=69766929

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201921309190.XU Withdrawn - After Issue CN210156254U (en) 2019-08-13 2019-08-13 Dry-type high-voltage coil die

Country Status (1)

Country Link
CN (1) CN210156254U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110391082A (en) * 2019-08-13 2019-10-29 中变集团上海变压器有限公司 One kind is dry to get higher crimping ring mould

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110391082A (en) * 2019-08-13 2019-10-29 中变集团上海变压器有限公司 One kind is dry to get higher crimping ring mould
CN110391082B (en) * 2019-08-13 2024-03-29 中变集团上海变压器有限公司 Dry-change high-voltage coil die

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Date Code Title Description
GR01 Patent grant
GR01 Patent grant
TR01 Transfer of patent right

Effective date of registration: 20210108

Address after: 242000 No.36 Chuangye Road, Xuancheng economic and Technological Development Zone, Xuancheng City, Anhui Province

Patentee after: XUANCHENG SHENBIAN TRANSFORMER Co.,Ltd.

Address before: 201506 Building 2, No. 4185, Tingwei Road, Jinshan Industrial Zone, Jinshan District, Shanghai

Patentee before: CHINA ZHONGBIAN GROUP SHANGHAI TRANSFORMER Co.,Ltd.

TR01 Transfer of patent right
AV01 Patent right actively abandoned

Granted publication date: 20200317

Effective date of abandoning: 20240329

AV01 Patent right actively abandoned

Granted publication date: 20200317

Effective date of abandoning: 20240329

AV01 Patent right actively abandoned
AV01 Patent right actively abandoned