CN1150311A - Isolator for electric isolation and making method thereof - Google Patents
Isolator for electric isolation and making method thereof Download PDFInfo
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- CN1150311A CN1150311A CN 95119701 CN95119701A CN1150311A CN 1150311 A CN1150311 A CN 1150311A CN 95119701 CN95119701 CN 95119701 CN 95119701 A CN95119701 A CN 95119701A CN 1150311 A CN1150311 A CN 1150311A
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- glaze
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- glaze layer
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Abstract
The invention aims at providing a suspension insulator for electrical insulation and its manufacturing method which is excellent in tensile strength and impact strength. In this device, a suspension insulator 1 comprizing a porcelain base 4 is sectioned into a head part 2 covered with mounting hardware 10 and cement 9, and a shoulder part 3 other than this head part, the head part section being equipped with a head part glaze layer 6 on a surface thereof, the shoulder part section with a shoulder part glaze layer 7 on a surface thereof respectively. In this event, a joint portion of the head part glaze layer 6 with the shoulder part glaze layer 7 is constructed by forming joint parts, in such a manner as to get thinner gradually toward respective tip ends, on the tip ends of the head part glaze layer 6 and of the shoulder part glaze layer 7 respectively and by laying the joint parts one on top of the other. A suspension insulator for electrical insulation having joint parts like this is manufactured by an improved dipping method.
Description
The present invention relates to stretch-draw intensity and impact strength excellent electric insulation insulator and manufacture method thereof.The applicant has disclosed a kind of stretch-draw intensity and impact strength excellent electric insulation insulator in special public clear 49-21885 number of Japanese patent gazette.This insulator is the suspended isolator of ceramic material, can divide into accessory and the head of adhesive layer covering and the umbrella portion beyond the head of being mounted, surface in this header area, it is the glaze layer of the 36-68% (normal temperature-800 ℃) of ceramic material thermal coefficient of expansion that thermal coefficient of expansion is arranged, surface in this umbrella portion district, it is the glaze layer of the 71-96% (normal temperature-800 ℃) of ceramic material thermal coefficient of expansion that thermal coefficient of expansion is arranged
Fig. 5 is the structural map of the above-mentioned electric insulation before of expression with an example of insulator.The porcelain body 64 that among Fig. 5, that hanging type insulator 61 has is 63 that form by the umbrella portion beyond head 62 and the head, formed by same ceramic material.Predetermined head glaze layer 66 is located on the outside and inboard surface 65 of head 62, and predetermined shoulder part glaze layer 67 is located at the surface of umbrella portion 63.On the head glaze layer 66 in the outside, installation accessory 70 is being set by layer of sand 68, adhesive layer 69.On the head glaze layer 66 of inboard, be provided with and selling 71 across layer of sand 68, adhesive layer 69.Pin 71 is used to connect several suspended isolators.
But, above-mentioned electric insulation shown in Figure 5 is with in the insulator, surface at porcelain body 64 will conjointly be provided with 2 different glaze layers, be head glaze layer 66 and shoulder part glaze layer 67, at the junction surface of head glaze layer 66 and shoulder part glaze layer 67, shown in Fig. 6 (a), both ends overlap, perhaps shown in Fig. 6 (b), gapped between the two.
When shown in Fig. 6 (a) like that, when both ends overlapped, layer of sand 68 was imbedded superposed part, weakened with the bonding force of adhesive layer 69, its result when stretching force affacts on the head 62, installs accessory 70 and extracts easily.In addition, when such shown in Fig. 6 (b), when occurring thinner wall section or gap between the two, when stretching force affacted on the head, maximum stretching force acted on this thinner wall section or gap location, easily ruptured from this part.
The present invention makes in view of the above problems, and its purpose is to provide a kind of stretch-draw intensity and impact strength excellent electric insulation insulator and manufacture method thereof.
Electric insulation insulator of the present invention, it is the hanging type insulator that ceramic material is done, can divide into accessory and the head of binding agent covering and the umbrella portion beyond the head of being mounted, surface in this header area, the head glaze layer is arranged, surface in umbrella portion district, shoulder part glaze layer is arranged, it is characterized in that, front end at head glaze layer and shoulder part glaze layer, the bonding part of head glaze layer and shoulder part glaze layer is made to separately the front end junction surface of attenuate gradually, and this junction surface is overlapping and constitute the junction surface of head glaze layer and shoulder part glaze layer.
The application's electric insulation is invented with the 1st of insulator manufacture method, be the manufacture method of above-mentioned electric insulation with the hanging type insulator, it is characterized in that: when the head glaze layer is set to the outside of header area, be that this head is impregnated in the glaze in the overflow dipping tank behind the precalculated position down, mention again, like this head glaze layer is set to the outside of header area.
The application's electric insulation is the manufacture method of above-mentioned electric insulation with suspended isolator with the 2nd invention of insulator manufacture method, it is characterized in that: when the head glaze layer being set to header area inboard, be that head is fixed down; In securing inner portion, be benchmark with the front end of up umbrella portion, the fixing supply aspirator of glaze is provided with integratedly on this supply aspirator and supplies with and the nozzle of suction glaze and measure the electrode that the glaze powder is used; From the internal feed glaze of said nozzle to head; When the glaze table utmost point of supplying with when detecting contacts, end nozzle immediately and supply with glaze; From nozzle suction and remove the glaze that is fed to inner portion; Making glaze supply with aspirator keeps out of the way from the head.
The application's electric insulation is invented with insulator manufacture method the 3rd, be the manufacture method of above-mentioned electric insulation with suspended isolator, it is characterized in that: when shoulder part glaze layer being set in the umbrella portion district, be that the glaze supply nozzle is positioned at least apart from a distance, top, end that is located at the head outside and the head glaze layer of inboard, when making the head rotation, supply with glaze from nozzle, like this, shoulder part glaze layer is located at umbrella portion district.
The application's electric insulation is the manufacture method of above-mentioned electric insulation with suspended isolator with the 4th invention of insulator manufacture method, it is characterized in that possessing following operation:
(1) the glazing operation in the head outside: head is impregnated in the glaze in the overflow dipping tank behind the precalculated position down, mentions again, on the header area outside, the head glaze layer is set;
(2) the glazing operation of inner portion: head is fixed down, in securing inner portion, front end with up umbrella portion is a benchmark, and the fixedly supply of glaze, aspirator are provided with integratedly on this supply aspirator and supply with and the nozzle of suction glaze and measure the electrode that the glaze powder is used; From the internal feed glaze of said nozzle to head; When the glaze surface of supplying with when detecting contacts with electrode, end nozzle immediately and supply with glaze; From nozzle suction and remove the glaze that is fed to inner portion; Glaze is supplied with aspirator and is kept out of the way from the head.
(3) umbrella portion glazing operation: the glaze supply nozzle is positioned at least apart from a distance, top, end that is located at the head outside and inboard head glaze layer, when making the head rotation, supplies with glaze, like this, shoulder part glaze layer is located at umbrella portion district from nozzle.
In above-mentioned structure, front end at head glaze layer and shoulder part glaze layer, formation is towards separately the front end junction surface of attenuate gradually, be that section is the junction surface of wedge shape, and it is this wedge-shaped part is superimposed and constitute the junction surface of head glaze layer and shoulder part glaze layer, therefore, can do the junction surface of head glaze layer and shoulder part glaze layer thickly equally, and not produce the gap at this junction surface with the thickness of head glaze layer or shoulder part glaze layer.
In order to make above-mentioned junction surface, must when head glaze layer and shoulder part glaze layer glazing, carry out the location, end, and when glazing, carry out thickness management with the corresponding part in junction surface of head glaze layer and shoulder part glaze layer, promptly must form the thin more shape of past more front end thickness, utilize the 1-4 invention of the inventive method just can accomplish this point.
Fig. 1 is the structural map of electric insulation of the present invention with one of suspended isolator example.
Fig. 2 is the figure of one of expression head outside glazing of the present invention operation example.
Fig. 3 is the figure of one of expression inner portion glazing operation of the present invention example.
Fig. 4 is the figure of one of expression umbrella of the present invention portion glazing operation example.
Fig. 5 is the structural map of existing electric insulation with one of suspended isolator example.
Fig. 6 is the figure of explanation the problems of the prior art.
Among the figure, 1, suspended isolator; 2, head; 3, umbrella portion; 4, the porcelain body; 5, the surface; 6, the head glaze layer; 7, shoulder part glaze layer; 8, layer of sand; 9, adhesive layer, 10, accessory is installed, 11, pin; 21,22, the junction surface; 31, the overflow dipping tank; 32, glaze; 41, glaze is supplied with aspirator; 42, nozzle; 43, electrode; 44, substrate; 51,52, nozzle; 53, glaze.
The following describes the embodiment of suspended isolator of the present invention.
Fig. 1 is the figure of expression electric insulation of the present invention with one of suspended isolator example structure.In example shown in Figure 1, suspended isolator 1 has the porcelain body 4 that the same ceramic material that is made of the umbrella portion 3 beyond the head 2, head 2 is made.On the outside of head 2 and inboard surface 5, be provided with predetermined head glaze layer 6, on the surface of umbrella portion 3, be provided with predetermined shoulder part glaze layer 7.On the head glaze layer 6 in the outside, be provided with installation accessory 10 across layer of sand 8, adhesive layer 9.On the head glaze layer 6 of inboard, be provided with pin 11 across layer of sand 8, adhesive layer 9.Pin 11 is used to connect several suspended isolators.These structures are identical with existing electric insulation suspended isolator.
Electric insulation of the present invention with the feature of suspended isolator is: shown in the partial enlarged drawing among Fig. 1, on the outside of head 2 and inboard two surfaces, the joint construction of head glaze layer 6 and shoulder part glaze layer 7 has been done improvement.Promptly, front end at head glaze layer 6 and shoulder part glaze layer 7, form towards separately the front end junction surface 21 and 22 of attenuate gradually, promptly section is the junction surface of wedge shape, and this wedge bond portion 21 and 22 is superimposed and form the junction surface of head glaze layer 6 and shoulder part glaze layer 7.
Its result can do the junction surface of head glaze layer 6 and shoulder part glaze layer 7 thickly equally with the thickness of head glaze layer 6 or shoulder part glaze layer 7, can form uniform layer of sand 8.Therefore, can prevent to install coming off of accessory 10.In addition, on this junction surface, the gap can be do not produced, thereby the fracture that the gap because of the junction surface causes can be prevented.
Be the better embodiment of electric insulation of the present invention below, press specification with the suspended isolator manufacture method.At first, prepare porcelain body 4.This porcelain body 4 be the base soil to predetermined component integrate, be shaped, dry, fire, availablely make with identical before operation.Then, porcelain body 4 is implemented following operation, just obtain final electric insulation suspended isolator product.
(1) the glazing operation in the head outside (Fig. 2: the 1st invents):
Shown in Fig. 2 (a), head 2 is impregnated in the glaze 32 in the overflow dipping tank 31 behind the precalculated position down, mention again.Shown in Fig. 2 (b), by dipping, at head 2 arranged outside head glaze layers 6.Here, why will use overflow dipping tank 31, be that the liquid level of glaze 32 also keeps necessarily when being impregnated in the glaze 32 because of the head 2 that will make suspended isolator 1, so that carry out the location of the end of head glaze layer 6 exactly.
In carry out the glazing operation in the head outside with dipping tank because when mentioning from the head the end of glaze layer 6 break away from glaze 32 in turn, so the time that is immersed in the glaze 32 is short more the closer to the end of head glaze layer 6.Therefore, shown in Fig. 2 (b), can obtain gradually toward the front end attenuate, section is the head glaze layer 6 of wedge shape.
(2) the glazing operation of inner portion (Fig. 3: the 2nd invents):
At first shown in Fig. 3 (a), head 2 is fixed down, glaze is supplied with the inboard that aspirator 41 is positioned at fixing head 2.It is to supply with and the nozzle 42 of suction glaze 32 and the electrode 43 of measuring glaze 32 liquid levels are contained in integratedly on the substrate 44 and constitute that this glaze is supplied with aspirator 41.Glaze is supplied with the location of aspirator 41, is the front end of substrate 44 and umbrella portion 7 is up joined, and be that benchmark carries out with this front end.Supply with aspirator 41 like this under the states of location at glaze, the front end of electrode 43 is positioned at the corresponding position of end position with the head glaze layer 6 of inner portion.
The amount of leaving a blank between the bottom of head 2 inboards and the front end of nozzle 42 is had in mind from the supply suction operation of fully carrying out glaze 32, is preferably 1-2mm.In addition, if at the front end of nozzle 42 pay-off (figure does not show) that expands out gradually toward front end, elasticity such as rubber is made is set, then when the suction glaze, the glaze 32 of the corner portions of head 2 bottoms is not easy residual.
Then, shown in Fig. 3 (b), from the internal feed glaze 32 of nozzle 42 to head 2.According to the signal that electrode 43 sends, detect the surface of glaze 32 and contacting of electrode 43 of supply by the control device of scheming not show, when detecting this contact, end nozzle 42 and supply with glazes 32.Then, shown in Fig. 3 (c), aspirate and remove the glaze 32 that supplies to head 2 inboards by nozzle 42, form head glaze layer 6 in the inboard of head 2.At last, making glaze supply with aspirator 41 2 keeps out of the way from the head.
Carry out in the glazing operation of inner portion in the infusion process of supplying with aspirator 41 with glaze, when supplying with aspirator 41 suction glazes 32 with glaze, because the end that is glaze layer 6 from the head breaks away from glaze in turn, so the time that is immersed in the glaze 32 the closer to the end of head glaze layer 6 is short more.Therefore, shown in Fig. 3 (c), can obtain gradually toward the front end attenuate, section is the head glaze layer 6 of wedge shape.In addition, the device that carries out the supply operation of glaze 32 and suction operation by nozzle is unqualified, but preferably carries out the supply suction operation of glaze with pump, and the elastomeric element that rubber etc. is made promptly is set on nozzle 42, drives the switching of this elastomeric element with cylinder pressure.
(3) umbrella portion glazing operation (Fig. 4: the 3rd invents):
At first as shown in Figure 4, will supply with a distance, top, end that the medicinal nozzle 51,52 of glaze is positioned at the outside of head 2 and the head glaze layer 6 on the inboard, this distance is equivalent to the width at the junction surface that will form.Make head 2 rotations and supply with glaze 53 from nozzle 51,52 simultaneously, shoulder part glaze layer 7 is set in umbrella portion 3.Because umbrella portion 3 complex-shaped, except nozzle 51,52,, then can obtain uniform more shoulder part glaze layer 7 if also partly the medicinal nozzle of supply glaze is set waits place at the pleat of umbrella portion.
Its result, form the junction surface 21 and 22 of head glaze layer 6 and shoulder part glaze layer 7 superimposedly, be that section is the junction surface of wedge shape, constituted the junction surface of head glaze layer 6 and shoulder part glaze layer 7, can do the junction surface of head glaze layer 6 and shoulder part glaze layer 7 thickly equally with the thickness of head glaze layer 6 or shoulder part glaze layer 7.
In the application's the 4th invention, whole operations of above-mentioned the 1st invention one the 3rd invention have been comprised.Omit its explanation at this.In any one invention, all do not limit the head glaze layer 6 in the junction surface and the lap length of shoulder part glaze layer 7, but be preferably below the 10mm.About the thickness of head glaze layer 6 and shoulder part glaze layer 7, same as the prior art, be preferably about 0.4mm.About glaze 32 that forms head glaze layer 6 and the glaze 53 that forms shoulder part glaze layer 7, same as the prior art, preferably adopting thermal coefficient of expansion respectively is 36-68% (normal temperature-800 ℃) glaze 32 of used ceramic material thermal coefficient of expansion, and thermal coefficient of expansion is the glaze 53 of the 71-96% (normal temperature-800 ℃) of used ceramic material thermal coefficient of expansion.
As seen from the above description, according to the present invention, because front end at head glaze layer and shoulder part glaze layer, formation to separately front end gradually the junction surface of attenuate be that section is the junction surface of wedge shape, and this wedge bond portion is superimposed and constitute the junction surface of head glaze layer and shoulder part glaze layer, so, can do the junction surface of head glaze layer and shoulder part glaze layer thickly equally with the thickness of head glaze layer or shoulder part glaze layer, and, on this junction surface, do not produce the gap.Its result can obtain stretch-draw intensity and impact strength excellent electric insulation suspended isolator.
Claims (5)
1. an electric insulation suspended isolator is made by ceramic material, can divide into to be mounted accessory and the head of bonding agent covering and the umbrella portion beyond this head, on the surface of header area the head glaze layer is arranged, and on the surface in umbrella portion district shoulder part glaze layer is arranged; It is characterized in that, front end at head glaze layer and shoulder part glaze layer, the bonding part of head glaze layer and shoulder part glaze layer is made to separately the front end junction surface of attenuate gradually, and this junction surface is superimposed and constitute the junction surface of head glaze layer and shoulder part glaze layer.
2. the described electric insulation of claim 1 is with the manufacture method of suspended isolator, it is characterized in that, when the head glaze layer is set to the outside of header area, be that this head is impregnated in the glaze in the overflow dipping tank behind the precalculated position down, mention again, like this head glaze layer is set to the outside of header area.
3. the described electric insulation of claim 1 is characterized in that with the manufacture method of suspended isolator, when the head glaze layer being set to header area inboard, is that head is fixed down; In securing inner portion, be benchmark with the front end of up umbrella portion, the fixing supply aspirator of glaze is provided with integratedly on this supply aspirator and supplies with and the nozzle of suction glaze and measure the electrode that the glaze powder is used; From the internal feed glaze of said nozzle to head; When the glaze surface of supplying with when detecting contacts with electrode, end nozzle immediately and supply with glaze; From nozzle suction and remove the glaze that is fed to inner portion; Making glaze supply with aspirator keeps out of the way from the head.
4. the described electric insulation of claim 1 is with the manufacture method of suspended isolator, it is characterized in that, when shoulder part glaze layer being set in the umbrella portion district, be that the glaze supply nozzle is positioned at least apart from a distance, top, end that is located at the head outside and the head glaze layer of inboard, when making the head rotation, supply with glaze from nozzle, like this, shoulder part glaze layer is located at umbrella portion district.
5. the described electric insulation of claim 1 is characterized in that possessing following operation with the manufacture method of suspended isolator:
(1) head outside glazing operation: head is impregnated in the glaze in the overflow dipping tank behind the precalculated position down, mentions again, on the header area outside, the head glaze layer is set;
(2) the glazing operation of inner portion: head is fixed down, in securing inner portion, front end with up umbrella portion is a benchmark, and fixedly the supply aspirator of glaze is provided with integratedly on this supply aspirator and supplies with and the nozzle of suction glaze and the electrode that the glaze powder is measured usefulness; From the internal feed glaze of said nozzle to head; When the glaze surface of supplying with when detecting contacts with electrode, end nozzle immediately and supply with glaze; From nozzle suction and remove the glaze that is fed to inner portion; Making glaze supply with aspirator keeps out of the way from the head;
(3) umbrella portion glazing operation: the glaze supply nozzle is positioned at least apart from the one spacing place, top, end that is located at the head outside and inboard head glaze layer, when making the head rotation, supplies with glaze, like this, shoulder part glaze layer is located at umbrella portion district from nozzle.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP28348795A JP2915834B2 (en) | 1995-10-31 | 1995-10-31 | Suspension insulator for electrical insulation and method of manufacturing the same |
| JP283487/95 | 1995-10-31 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1150311A true CN1150311A (en) | 1997-05-21 |
| CN1089182C CN1089182C (en) | 2002-08-14 |
Family
ID=17666194
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 95119701 Expired - Lifetime CN1089182C (en) | 1995-10-31 | 1995-11-16 | Isolator for electric isolation and making method thereof |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP2915834B2 (en) |
| CN (1) | CN1089182C (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100559516C (en) * | 2006-03-31 | 2009-11-11 | 丰茂忠 | Preparation method of composite insulator |
| CN104932924A (en) * | 2015-06-30 | 2015-09-23 | 上海海漾软件技术有限公司 | Interactive reminding method based on alarm clock application, device and terminal equipment |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4983727B2 (en) * | 2008-06-03 | 2012-07-25 | 株式会社デンソー | Glaze application method and glaze application apparatus |
| CN103752488B (en) * | 2014-01-06 | 2015-03-18 | 广东电网公司电力科学研究院 | Method for coating room temperature vulcanized silicone rubber anti-pollution flashover coatings on surfaces of umbrella disc of insulator |
-
1995
- 1995-10-31 JP JP28348795A patent/JP2915834B2/en not_active Expired - Lifetime
- 1995-11-16 CN CN 95119701 patent/CN1089182C/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100559516C (en) * | 2006-03-31 | 2009-11-11 | 丰茂忠 | Preparation method of composite insulator |
| CN104932924A (en) * | 2015-06-30 | 2015-09-23 | 上海海漾软件技术有限公司 | Interactive reminding method based on alarm clock application, device and terminal equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH09129062A (en) | 1997-05-16 |
| JP2915834B2 (en) | 1999-07-05 |
| CN1089182C (en) | 2002-08-14 |
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