CN203224594U - Manufacturing mold for needle plate discharge sample - Google Patents
Manufacturing mold for needle plate discharge sample Download PDFInfo
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- CN203224594U CN203224594U CN 201320179740 CN201320179740U CN203224594U CN 203224594 U CN203224594 U CN 203224594U CN 201320179740 CN201320179740 CN 201320179740 CN 201320179740 U CN201320179740 U CN 201320179740U CN 203224594 U CN203224594 U CN 203224594U
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Abstract
The utility model discloses a manufacturing mold for a needle plate discharge sample to solve the problems that a prior needle plate discharge model sample is liable to damage when being taken from a conventional mold and that an air gap is liable to form when a needle electrode is inserted directly into a sample. The manufacturing mold is characterized in that a lower end of a wide rectangular mold plate (1) is provided with sample plate tail pouring basins (3); sample needle electrode pouring basins (4) communicated with the sample plate tail pouring basins (3) are disposed in the wide rectangular mold plate (1) and above the sample plate tail pouring basins (3); an upper end of a narrow rectangular mold plate (2) is provided with sample plate head pouring basins (5); the side of the lower end of the wide rectangular die plate (1) is provided with fastening bolt connecting holes (6); and fastening bolt through holes (7) are disposed in a vertical direction in the narrow rectangular mold plate (2). The needle plate discharge model sample produced with the manufacturing mold is overall smooth, and the needle electrode of the sample is closely combined with a discharge plate.
Description
Technical field
The utility model relates to a kind of mould of needle plate discharge sample, particularly a kind of mould of the making needle plate discharging model sample that uses in the epoxy resin insulation material electrical test.
Background technology
Epoxy resin has good electric insulation, moisture-proof and chemical-resistance, again because epoxy resin has good plasticity when solidifying, be difficult for producing volatile matter, shrinkage factor is little during moulding, can obtain the cast product of no air gap under vacuum condition, in addition, the heat resisting temperature of epoxy resin cured product generally reaches 80-100
oC, extraordinary heat resistant epoxide resin heatproof is up to 200
oC or higher.Therefore, epoxy resin is widely used in motor, dry-type transformer, current transformer, SF
6The cast of insulating element in high-voltage switch gear and the GIS combined electrical apparatus.Along with the continuous increase of electrical network transmission capacity, electric pressure progressively raises, and used insulating material ubiquity the insulation ag(e)ing phenomenon, and the electrical equipment fault ratio of Yin Faing is quite high thus, has badly influenced the safe and reliable operation of power system device.Therefore, epoxide resin material insulation ag(e)ing experiment seems particularly important.The needle plate discharge is tested as the insulation that typical empirical model often is applied to material, and whether the design of needle plate discharging model sample and making directly have influence on experimental data effective, thereby influences the accuracy of experiment conclusion.The making mould of the needle plate discharging model sample of existing epoxide resin material is monoblock type, existence damage sample easily when taking out in the needle plate discharging model sample from mould, and be the problem that forms air gap in the epoxy resin sample easily that directly pin electrode is inserted into when installing electrodes.
Summary of the invention
The utility model provides a kind of making mould of needle plate discharge sample, has solved needle plate discharging model sample is taken out damage easily and directly pin electrode inserted the problem that sample forms air gap easily from existing mold.
The utility model is to solve above technical matters by the following technical programs:
A kind of making mould of needle plate discharge sample, comprise the wide Die and mould plate of rectangle and the narrow Die and mould plate of rectangle, be provided with sample board afterbody pouring basin in the lower end of the wide Die and mould plate of rectangle, the wide Die and mould plate of rectangle above the sample board afterbody pouring basin is provided with the sample pin electrode pouring basin that is communicated with sample board afterbody pouring basin, be provided with sample board head pouring basin in the upper end of the narrow Die and mould plate of rectangle, lower end side at the wide Die and mould plate of rectangle is provided with the fastening bolt connecting hole, in the narrow Die and mould plate of rectangle, be provided with the fastening bolt through hole of above-below direction, fastening bolt is screwed onto with the fastening bolt connecting hole after passing the fastening bolt through hole, the wide Die and mould plate of rectangle and the narrow Die and mould plate of rectangle be docking together and fastened bolted after, sample board afterbody pouring basin dock the discharge pouring basin of sample of composition needle plate with sample board head pouring basin.
The inside surface that docks the pouring basin of the needle plate discharge sample of forming at sample board afterbody pouring basin with sample board head pouring basin is provided with releasing agent layer.
Needle plate discharging model sample whole smooth with the utility model making, the sample pin electrode of sample is combined with discharge electrode closely, when the needle plate discharge sample of the epoxide resin material of making of the utility model carries out discharge test, the experimental result that obtains is true and reliable, for the senile experiment of insulating material of transmission of electricity industry provides experimental basis accurately.
Description of drawings
Fig. 1 is that the utility model is at the structural representation of overlooking on the direction;
Fig. 2 is the structural representation of the wide Die and mould plate 1 of rectangle of the present utility model on main apparent direction;
Fig. 3 is the structural representation of the narrow Die and mould plate 2 of rectangle of the present utility model on main apparent direction;
Fig. 4 is the structural drawing with the needle plate discharging model sample of the utility model making.
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing:
A kind of making mould of needle plate discharge sample, comprise the wide Die and mould plate 1 of rectangle and the narrow Die and mould plate 2 of rectangle, be provided with sample board afterbody pouring basin 3 in the lower end of the wide Die and mould plate 1 of rectangle, the wide Die and mould plate 1 of rectangle above the sample board afterbody pouring basin 3 is provided with the sample pin electrode pouring basin 4 that is communicated with sample board afterbody pouring basin 3, be provided with sample board head pouring basin 5 in the upper end of the narrow Die and mould plate 2 of rectangle, lower end side at the wide Die and mould plate 1 of rectangle is provided with fastening bolt connecting hole 6, in the narrow Die and mould plate 2 of rectangle, be provided with the fastening bolt through hole 7 of above-below direction, fastening bolt passes fastening bolt through hole 7 backs and is screwed onto with fastening bolt connecting hole 6, the wide Die and mould plate of rectangle 1 be docking together with the narrow Die and mould plate 2 of rectangle and fastened bolted after, sample board afterbody pouring basin 3 dock the discharge pouring basin of sample of composition needle plate with sample board head pouring basin 5.
The inside surface that docks the pouring basin of the needle plate discharge sample of forming at sample board afterbody pouring basin 3 with sample board head pouring basin 5 is provided with releasing agent layer.
Manufacturing process of the present utility model is as follows: bore with numerically-controlled machine on the square aluminium sheet of a block length and carve epoxy resin sample pouring basin and pin electrode pouring basin, from the medium line position of epoxy resin sample pouring basin with the square wide Die and mould plate 1 of rectangular aluminium sheet cut growth and narrow Die and mould plate 2 two halves of rectangle, the otch both sides polish flat smooth with fly cutter, lower end side at the wide Die and mould plate 1 of rectangle sets out fastening bolt connecting hole 6, in the narrow Die and mould plate 2 of rectangle, set out the fastening bolt through hole 7 of above-below direction, with fastening bolt the wide Die and mould plate 1 of rectangle and the narrow Die and mould plate 2 of rectangle are synthesized one again.When making needle plate discharging model sample, coating release agent in epoxy resin sample pouring basin and pin electrode pouring basin, place pin electrode, pin electrode is put into pin electrode pouring basin 4 central authorities, the length that is shorter in length than pin electrode pouring basin 4 of pin electrode, and 2 millimeters of the lower limbs of needle point rang ring epoxy resins sample pouring basin, with the full epoxy resin sample pouring basin of liquid-state epoxy resin droplets of material and the wide Die and mould plate 1 of pin electrode rectangle and narrow Die and mould plate 2 grooves of rectangle, mould is put into constant temperature oven and is heating and curing, after cooling off at room temperature on mould, turn on holding screw, narrow Die and mould plate 2 two parts of the wide Die and mould plate 1 of rectangle and rectangle are separated, can from mould, take out needle plate discharging model sample.
Claims (2)
1. the making mould of needle plate discharge sample, comprise the wide Die and mould plate of rectangle (1) and the narrow Die and mould plate of rectangle (2), it is characterized in that, be provided with sample board afterbody pouring basin (3) in the lower end of the wide Die and mould plate of rectangle (1), the wide Die and mould plate of rectangle (1) of the top of sample board afterbody pouring basin (3) is provided with the sample pin electrode pouring basin (4) that is communicated with sample board afterbody pouring basin (3), be provided with sample board head pouring basin (5) in the upper end of the narrow Die and mould plate of rectangle (2), lower end side at the wide Die and mould plate of rectangle (1) is provided with fastening bolt connecting hole (6), in the narrow Die and mould plate of rectangle (2), be provided with the fastening bolt through hole (7) of above-below direction, fastening bolt passes fastening bolt through hole (7) back and is screwed onto with fastening bolt connecting hole (6), the wide Die and mould plate of rectangle (1) and the narrow Die and mould plate of rectangle (2) be docking together and fastened bolted after, sample board afterbody pouring basin (3) dock the discharge pouring basin of sample of composition needle plate with sample board head pouring basin (5).
2. the making mould of a kind of needle plate discharge sample according to claim 1, it is characterized in that the inside surface that docks the pouring basin of the needle plate discharge sample of forming at sample board afterbody pouring basin (3) with sample board head pouring basin (5) is provided with releasing agent layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320179740 CN203224594U (en) | 2013-04-11 | 2013-04-11 | Manufacturing mold for needle plate discharge sample |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320179740 CN203224594U (en) | 2013-04-11 | 2013-04-11 | Manufacturing mold for needle plate discharge sample |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203224594U true CN203224594U (en) | 2013-10-02 |
Family
ID=49251596
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320179740 Expired - Lifetime CN203224594U (en) | 2013-04-11 | 2013-04-11 | Manufacturing mold for needle plate discharge sample |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203224594U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110542843A (en) * | 2019-09-29 | 2019-12-06 | 广东电网有限责任公司 | Pouring type bubble discharge model and manufacturing method thereof |
| CN110884014A (en) * | 2019-11-28 | 2020-03-17 | 哈尔滨理工大学 | Polypropylene-based needle plate electrode sample preparation mold and preparation method |
| CN112985935A (en) * | 2021-01-28 | 2021-06-18 | 西安交通大学 | A mould for preparing resin soaks paper electricity branch sample |
| CN112986764A (en) * | 2021-02-19 | 2021-06-18 | 国网内蒙古东部电力有限公司检修分公司 | Creeping discharge test device and method capable of replacing new sample |
| CN114563663A (en) * | 2022-01-18 | 2022-05-31 | 山东大学 | Experimental device and method for discharging in transformer oil under alternating voltage |
-
2013
- 2013-04-11 CN CN 201320179740 patent/CN203224594U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110542843A (en) * | 2019-09-29 | 2019-12-06 | 广东电网有限责任公司 | Pouring type bubble discharge model and manufacturing method thereof |
| CN110542843B (en) * | 2019-09-29 | 2024-01-23 | 广东电网有限责任公司 | Casting type bubble discharge model and manufacturing method thereof |
| CN110884014A (en) * | 2019-11-28 | 2020-03-17 | 哈尔滨理工大学 | Polypropylene-based needle plate electrode sample preparation mold and preparation method |
| CN112985935A (en) * | 2021-01-28 | 2021-06-18 | 西安交通大学 | A mould for preparing resin soaks paper electricity branch sample |
| CN112986764A (en) * | 2021-02-19 | 2021-06-18 | 国网内蒙古东部电力有限公司检修分公司 | Creeping discharge test device and method capable of replacing new sample |
| CN114563663A (en) * | 2022-01-18 | 2022-05-31 | 山东大学 | Experimental device and method for discharging in transformer oil under alternating voltage |
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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 |
Granted publication date: 20131002 |
|
| CX01 | Expiry of patent term |