CN220306097U - Bottom plate structure of dry-type transformer winding casting mold - Google Patents
Bottom plate structure of dry-type transformer winding casting mold Download PDFInfo
- Publication number
- CN220306097U CN220306097U CN202321941143.3U CN202321941143U CN220306097U CN 220306097 U CN220306097 U CN 220306097U CN 202321941143 U CN202321941143 U CN 202321941143U CN 220306097 U CN220306097 U CN 220306097U
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- Prior art keywords
- bottom plate
- main body
- casting mold
- transformer winding
- hole
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- 238000005266 casting Methods 0.000 title claims abstract description 43
- 238000004804 winding Methods 0.000 title claims abstract description 43
- 238000007789 sealing Methods 0.000 claims abstract description 19
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 claims description 13
- 239000000945 filler Substances 0.000 claims description 5
- 239000003292 glue Substances 0.000 abstract description 5
- 238000000034 method Methods 0.000 abstract description 5
- 230000001681 protective effect Effects 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 6
- 239000011347 resin Substances 0.000 description 5
- 229920005989 resin Polymers 0.000 description 5
- 230000002411 adverse Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
Landscapes
- Housings And Mounting Of Transformers (AREA)
Abstract
The utility model discloses a bottom plate structure of a dry-type transformer winding casting mold, which comprises a bottom plate main body, a containing box and a sealing filling piece, wherein the bottom plate main body is positioned at the bottom of the transformer winding casting mold; the sealing filling piece is filled in the first through hole and jointly seals the first through hole with the lead. In the transformer pouring process, the lower outgoing line cannot influence the winding pouring structure, glue leakage is not easy to occur at the first through hole, and the lower outgoing line has a protective effect on the lead.
Description
Technical Field
The utility model belongs to the field of transformer winding casting, and particularly relates to a bottom plate structure of a dry-type transformer winding casting mold.
Background
At present, the dry-type transformer adopts different wire-outlet modes due to the problem of connection groups, for example, an upper wire outlet and a lower wire outlet are arranged in the height direction of a coil, when the coil is vertically poured, the wire-outlet part of the lower wire outlet can be submerged by resin to influence the pouring of a winding, or a glue leakage phenomenon occurs at the position of the lower wire outlet in the pouring process.
Therefore, a new technology is needed to solve the problems that the lower outgoing line in the casting process of the transformer affects the casting structure of the winding and glue leakage easily occurs in the prior art.
Disclosure of Invention
In order to solve the problems in the prior art, the utility model provides a bottom plate structure of a dry-type transformer winding casting mold, wherein in the casting process of a transformer winding, a lower outgoing line does not influence the winding casting structure, and in the lower outgoing line, a connection structure of a lead and a mold bottom plate is not easy to leak glue, and the bottom plate structure also has a protection effect on the lead.
The utility model adopts the following technical scheme:
the bottom plate structure of the dry-type transformer winding casting mold comprises a bottom plate main body, a containing box and a sealing filling piece, wherein the bottom plate main body is positioned at the bottom of the transformer winding casting mold, the containing box is detachably arranged on one side, far away from a winding, of the bottom plate main body, a first through hole through which a lead wire can pass is formed in the bottom plate main body, and the lead wire sequentially passes through the first through hole and an opening of the containing box and stretches into the containing box;
the seal filler is filled in the first through hole and seals the first through hole together with the lead.
As a further improvement of the technical scheme of the utility model, the sealing gasket is positioned between the opening of the accommodating box and the bottom plate main body, two sides of the sealing gasket are respectively and tightly connected with the accommodating box and the bottom plate main body, and a second through hole corresponding to the opening of the accommodating box is arranged on the sealing gasket.
As a further improvement of the technical scheme of the utility model, a connecting plate surrounding the opening is convexly arranged at the opening of the accommodating box, and two sides of the sealing gasket are respectively and tightly connected with the connecting plate and the bottom plate main body.
As a further improvement of the technical scheme of the utility model, the size of the first through hole is not larger than the opening size of the accommodating box.
As a further improvement of the technical scheme of the utility model, the sealing filling piece is made of rubber.
Compared with the prior art, the utility model has the beneficial effects that:
the bottom plate structure of the dry-type transformer winding casting mold comprises a bottom plate main body and a containing box, wherein the containing box and the bottom plate main body are detachable and can be repeatedly used in the transformer winding casting process, meanwhile, when a wire outlet mode of a lead wire is adopted, the setting of the containing box can protect the lead wire in the transformer winding casting process, the lead wire stretches out from the bottom plate main body of the casting mold, the lead wire is prevented from being submerged or covered by resin in a cavity of the casting mold in the winding casting process, adverse effects on winding casting are avoided, a sealing filling piece is filled in a gap in a first through hole, the resin for casting can be prevented from leaking out from the first through hole, and the containing box is arranged below the bottom plate main body of the winding casting mold, so that a lower outgoing wire stretches into the containing box, the safety of the lead wire can be protected, the casting is not influenced, and the glue leakage phenomenon can not occur at the first through hole where the lower lead wire is connected with the bottom plate main body.
Drawings
The technology of the present utility model will be described in further detail below with reference to the attached drawings and detailed description:
FIG. 1 is a cross-sectional view of the overall structure of the present utility model;
FIG. 2 is a schematic diagram of the main body structure of the base plate;
FIG. 3 is a cross-sectional view of the containment box;
fig. 4 is a schematic view of a seal structure.
Reference numerals:
1-a base plate body; 11-a first through hole;
2-a housing box; 21-connecting plates; 211-bolt holes;
3-seals; 31-second through holes.
Detailed Description
The conception, specific structure, and technical effects produced by the present utility model will be clearly and completely described below with reference to the embodiments and the drawings to fully understand the objects, aspects, and effects of the present utility model. It should be noted that, in the case of no conflict, the embodiments and features in the embodiments may be combined with each other. The same reference numbers will be used throughout the drawings to refer to the same or like parts.
It should be noted that, unless otherwise specified, when a feature is referred to as being "fixed" or "connected" to another feature, it may be directly or indirectly fixed or connected to the other feature. Further, the descriptions of the upper, lower, left, right, etc. used in the present utility model are merely with respect to the mutual positional relationship of the constituent elements of the present utility model in the drawings.
Referring to fig. 1 to 4, a bottom plate structure of a dry-type transformer winding casting mold comprises a bottom plate main body 1, a containing box 2 and a sealing filling piece, wherein the bottom plate main body 1 is positioned at the bottom of the transformer winding casting mold, the bottom plate main body 1 is connected with a side mold main body which is vertically arranged above the bottom plate main body to form the transformer winding casting mold with a casting molding cavity, the containing box 2 is detachably arranged on one side, far away from the winding, of the bottom plate main body 1 through bolts, the containing box 2 can be detached after casting is completed, and the containing box 2 can be used repeatedly. The bottom plate main body 1 is provided with a first through hole 11 through which a lead wire can pass, the accommodating box 2 is arranged at the first through hole 11, an opening of the accommodating box 2 is in butt joint with the first through hole 11, the first through hole 11 is communicated with the inside of the accommodating box 2, and a box body of the accommodating box 2 seals the first through hole 11. The lead wires sequentially pass through the first through hole 11 and the opening of the accommodating box 2 and extend into the accommodating box 2. The seal filler is filled in the first through hole 11 and blocks the first through hole 11 together with a lead.
The holding box 2 can be dismantled with the bottom plate main part 1, can be used for the transformer winding pouring in-process repeatedly, simultaneously, the setting of holding box 2 can be at the in-process protection down lead of transformer winding pouring, and the down lead stretches out from the bottom plate of casting mould, avoids keeping somewhere in the casting mould and being submerged or cover by resin in the winding pouring in-process to avoid producing adverse effect to the winding pouring, the clearance in first through-hole 11 is filled to the sealed filler, can prevent that the resin that is used for the pouring from spilling in the first through-hole 11, avoids appearing leaking the gluey phenomenon. This scheme is through setting up in transformer winding casting die's bottom plate main part 1 below and holding box 2, stretches into in holding box 2 with lower part lead-out wire, can protect the safety of lead wire, does not influence the winding pouring structure in the die cavity moreover, also can not appear leaking the gluey phenomenon in the first through-hole 11 department that lead wire and bottom plate main part 1 are connected. Wherein, the material of the sealing filling piece can be rubber, and the sealing filling piece made of rubber can not have adverse effect on winding casting.
The bottom plate structure of the dry-type transformer winding casting mold of this scheme still includes sealed pad, sealed pad is located hold the opening of box 2 with between the bottom plate main part 1, sealed pad both sides respectively with hold box 2 bottom plate main part 1 zonulae occludens, sealed pad on be equipped with hold box 2 open-ended second through-hole 31 that corresponds. The sealing gasket is favorable for tightly connecting the accommodating box 2 with the bottom plate main body 1, and can also prevent air from entering the accommodating box from the connecting node of the accommodating box 2 and the bottom plate main body 1.
Specifically, the size of the first through hole 11 is not greater than the opening of the accommodating box 2, so that the accommodating box 2 and the bottom plate main body 1 are convenient to install and fix, and the situation that the accommodating box 2 cannot block the first through hole 11 due to assembly errors is avoided, so that air enters the casting mold to affect winding casting is avoided.
Specifically, the protruding connecting plate 21 that is equipped with of opening part that holds box 2 encircles this open-ended, sealed both sides of filling up respectively with connecting plate 21 bottom plate main part 1 zonulae occludens, annular connecting plate 21 with hold 2 box body integrated into one piece of box, be equipped with on the connecting plate 21 be used for with bottom plate main part 1 bolted connection's a plurality of bolt holes 211, sealed both sides of filling up respectively with connecting plate 21, bottom plate main part 1 zonulae occludens, the setting of connecting plate 21 has increased the area of contact that holds box 2 and sealed pad for hold box 2 and sealed connection structure that fills up more firm, inseparabler.
Other contents of the bottom plate structure of the dry-type transformer winding casting mold described in the utility model refer to the prior art, and are not described herein.
The present utility model is not limited to the preferred embodiments, and any modifications, equivalent variations and modifications made to the above embodiments according to the technical principles of the present utility model are within the scope of the technical proposal of the present utility model.
Claims (5)
1. The utility model provides a dry-type transformer winding casting mold's bottom plate structure which characterized in that: the transformer winding casting mold comprises a bottom plate main body, a containing box and a sealing filling piece, wherein the bottom plate main body is positioned at the bottom of the transformer winding casting mold, the containing box is detachably arranged on one side, far away from a winding, of the bottom plate main body, a first through hole through which a lead wire can pass is formed in the bottom plate main body, and the lead wire sequentially passes through the first through hole and an opening of the containing box and stretches into the containing box;
the seal filler is filled in the first through hole and seals the first through hole together with the lead.
2. The base plate structure of a dry-type transformer winding casting mold according to claim 1, wherein: the sealing gasket is positioned between the opening of the accommodating box and the bottom plate main body, two sides of the sealing gasket are respectively and tightly connected with the accommodating box and the bottom plate main body, and a second through hole corresponding to the opening of the accommodating box is formed in the sealing gasket.
3. The base plate structure of a dry-type transformer winding casting mold according to claim 2, wherein: the opening of the accommodating box is convexly provided with a connecting plate surrounding the opening, and two sides of the sealing gasket are respectively and tightly connected with the connecting plate and the bottom plate main body.
4. The base plate structure of a dry-type transformer winding casting mold according to claim 1, wherein: the first through hole has a size not larger than an opening size of the accommodating case.
5. The base plate structure of a dry-type transformer winding casting mold according to claim 1, wherein: the sealing filler is made of rubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321941143.3U CN220306097U (en) | 2023-07-21 | 2023-07-21 | Bottom plate structure of dry-type transformer winding casting mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321941143.3U CN220306097U (en) | 2023-07-21 | 2023-07-21 | Bottom plate structure of dry-type transformer winding casting mold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220306097U true CN220306097U (en) | 2024-01-05 |
Family
ID=89372428
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321941143.3U Active CN220306097U (en) | 2023-07-21 | 2023-07-21 | Bottom plate structure of dry-type transformer winding casting mold |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220306097U (en) |
-
2023
- 2023-07-21 CN CN202321941143.3U patent/CN220306097U/en active Active
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