CN207522935U - Dry sleeve insulator vacuum aerating running gate system - Google Patents

Dry sleeve insulator vacuum aerating running gate system Download PDF

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Publication number
CN207522935U
CN207522935U CN201721587724.6U CN201721587724U CN207522935U CN 207522935 U CN207522935 U CN 207522935U CN 201721587724 U CN201721587724 U CN 201721587724U CN 207522935 U CN207522935 U CN 207522935U
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China
Prior art keywords
gas
valve
epoxy resin
material feeding
vacuum
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Expired - Fee Related
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CN201721587724.6U
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Chinese (zh)
Inventor
韩宝家
韩佳平
姚萍
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Suzhou Hanwei Electrical Technology Co Ltd
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Suzhou Hanwei Electrical Technology Co Ltd
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Abstract

The utility model is related to a kind of dry sleeve insulator vacuum aerating running gate system, including epoxy resin casting mold, material feeding tank, gas storage pressure tank, gas compressor, vacuum pump, insulating gas gas storage air charging system and gas concentration unit;The material feeding tank is connect by filling tube with epoxy resin casting mold, and gas storage pressure tank is that pipeline is connect between material feeding tank and gas compressor between material feeding tank and gas compressor;Vacuum pump and insulating gas gas storage air charging system are connect respectively by vacuum-pumping pipeline and gas charging line with epoxy resin casting mold, and gas concentration unit is connected in parallel on by gas withdrawal line on gas charging line.This dry sleeve insulator vacuum aerating running gate system uses the method for being vacuumized to particular manufacturing craft and filling insulating gas, realize that epoxide resin automatic pressure coagulates, improve the dielectric level of product, reduce the possibility of shelf depreciation, it is advanced with the means of production, the characteristics of manual intervention is few, and finished product rate is high.

Description

Dry sleeve insulator vacuum aerating running gate system
Technical field
It is related to field of electrical equipment more particularly to a kind of dry sleeve insulator vacuum aerating running gate system.
Background technology
At present, more and more start on power equipment using dry sleeve, to replace the porcelain bushing type knot generally used Structure casing.Main body be the porcelain bushing type casing that forms by a firing of china clay material insulate and mechanical strength in terms of there are many defects and weak Point is replaced by dry sleeve as a kind of certainty.And a kind of new technology is used as, the major insulation of dry sleeve especially dry sleeve There are many more the spaces promoted in manufacturing process for body.At present, to manufacturer of the voltage class than relatively low dry sleeve use Fado is using the molding epoxy resin pressure gel technology of mould heat pressure, and this product shaping is fast, high yield rate, but due to Air is inevitably brought into when filling false epoxy resin to mold in the fabrication process, it is possible to gas is entrained into sleeve insulator Bubble, influences product quality.It is particularly true for the casing of voltage levels.And at present in the production of high-voltage dry casing, Epoxy resin dipping technique is used mostly, has the defects of even more serious for the Technical comparing pressure gel technology, is impregnated Process brings that bubble is more into, and the yield rate of product is lower.The above method is limited by the poor air of insulation performance and is difficult to be had Effect control, and entrain into sleeve insulator, the serious electric property for affecting product.This technological deficiency limits product Use on high voltage.
To solve the above problems, the utility model employ improve material feeding mode pressure gel technology, i.e., to mold into Simultaneously filling is insulated preferable gas in advance for row forvacuum, such as sulfur hexafluoride gas, instead of the insulation performance in original mould die cavity compared with The air of difference.It is pure because being filled in die cavity in advance when use epoxy resin pressure gel technology manufacture sleeve insulator formula The splendid sulfur hexafluoride gas of insulation performance so that there is no air to be entrained into shot process, greatly improve product Electric property improves the yield rate of product.
Invention content
Technical problem to be solved in the utility model is to provide a kind of insulation and sealing effect is good, and finished product rate is high Dry sleeve insulator vacuum aerating running gate system.
In order to solve the above-mentioned technical problem, the utility model is achieved through the following technical solutions:A kind of dry sleeve Insulator vacuum aerating running gate system, including epoxy resin casting mold, material feeding tank, gas storage pressure tank, gas compressor, vacuum Pump, insulating gas gas storage air charging system and gas concentration unit;The bottom of the material feeding tank is connected to asphalt mixtures modified by epoxy resin by filling tube The lower section of fat casting mold, the gas storage pressure tank between material feeding tank and gas compressor, with the top of material feeding tank and It is pipeline connection between gas compressor;The vacuum pump and insulating gas gas storage air charging system pass through vacuum-pumping pipeline respectively Be connected to the top of epoxy resin casting mold with gas charging line, the gas concentration unit by gas withdrawal line simultaneously It is associated on gas charging line.
Preferably, the epoxy resin casting mold is made of quiet mould and dynamic model;The quiet mould and dynamic model are bonded to each other Together, it is formed at molding for the hot-forming die cavity of product;The top of the die cavity is in full skirt shape, and lower part is in cylinder Shape, upper and lower ends are respectively arranged with upper die head and lower die head;The upper end of the quiet mould is provided with flash channel, the flash The top of channel is connected with the vacuum-pumping pipeline and gas charging line being arranged on outside epoxy resin casting mold, and lower end passes through Upper die head is connected with die cavity;Material feeding slot is provided with below the quiet mould, which connects with the lower part of die cavity, another End extends in the outside of quiet mould and forms sprue, and the sprue is connected with filling tube.
Preferably, the back side of the quiet mould and dynamic model is both provided with postnotum, laterally homogeneously set on the postnotum Several round tube holes are equipped with, electrically heated rod is embedded in the round tube hole.
Preferably, two closed notches in border, the notch are respectively offered on the land area of the quiet mould and dynamic model Refractory seals adhesive tape is inside embedded with, forms two seals.
Preferably, being provided with flash observation device at the top of the quiet mould, the gas charging line is seen by flash Device is examined to connect with flash channel.
Preferably, position of the filling tube road at epoxy resin casting mold is provided with the 11st valve, Position at material feeding tank is provided with the 12nd valve;The is provided on the pipeline of the connection material feeding tank and gas storage pressure tank One valve and the second valve connect and are provided with third valve and the 4th valve on the pipeline of gas storage pressure tank and gas compressor, Wherein, the first valve is close to gas storage pressure tank close to material feeding tank, the second valve and third valve, and the 4th valve is close to gas pressure Contracting machine.
Preferably, position of the vacuum-pumping tube road at epoxy resin casting mold is provided with the 8th valve, Position at vacuum pump is provided with the 5th valve.
Preferably, the position on the gas charging line at flash observation device is provided with the 9th valve, lean on Position at nearly insulating gas gas storage air charging system is provided with the 7th valve, and be additionally provided with the tenth on the gas charging line Valve, the tenth valve are located between gas charging line and gas withdrawal line in parallel, and the gas recovery pipe road is leaned on Position at nearly gas concentration unit is provided with the 6th valve.
Preferably, the position on the top of the material feeding tank and gas charging line at epoxy resin casting mold Pressure gauge is both provided with, vacuum meter is provided on the vacuum pump.
Compared with prior art, the utility model is beneficial in that:This dry sleeve insulator vacuum aerating is poured Injection system utilizes automatic moulding forcing press, real using being vacuumized to mold plus the method for insulating gas using Special seal mold Existing epoxide resin automatic pressure coagulates, and completes the moulding by casting of sleeve insulator, effectively avoids traditional epoxy resin pressure The poor air of insulation performance in power gel technique die cavity be wrapped taken out into the defects of insulator, particularly cavity body of mould it is true The method of insulating gas is re-filled with after sky so that there is no insulation weak-points in the insulator after cast, greatly improve product Dielectric level, reduce the possibility of shelf depreciation, have that the means of production is advanced, and manual intervention is few, and finished product rate is high Feature;The product that the sleeve insulator produced is formed has the spies such as insulation performance height, excellent electric properties, mechanical strength height Point.
Description of the drawings
The utility model is further illustrated below in conjunction with the accompanying drawings.
Fig. 1 is the utility model dry sleeve insulator vacuum aerating injection system structure schematic diagram;
Fig. 2 is the utility model dry sleeve insulator vacuum aerating running gate system epoxy resin casting mold internal junction Structure schematic diagram;
Fig. 3 is the utility model dry sleeve insulator vacuum aerating running gate system epoxy resin casting mold bottom knot Structure schematic diagram.
In figure:1st, epoxy resin casting mold;10th, die cavity;11st, quiet mould;111st, material feeding slot;112nd, sprue;12nd, it moves Mould;13rd, round tube hole;14th, electrically heated rod;15th, notch;16th, refractory seals adhesive tape;17th, flash channel;18th, flash observation dress It puts;19th, postnotum;2nd, material feeding tank;21st, filling tube;211st, the 11st valve;212nd, the 12nd valve;3rd, gas storage pressure tank; 31st, the first valve;32nd, the second valve;33rd, third valve;34th, the 4th valve;4th, gas compressor;5th, vacuum pump;51st, it takes out true Blank pipe road;511st, the 5th valve;512nd, the 8th valve;6th, insulating gas gas storage air charging system;61st, gas charging line;611、 7th valve;612nd, the tenth valve;7th, gas concentration unit;71st, gas withdrawal line;711st, the 6th valve;712nd, the 9th valve Door;8th, upper die head;9th, lower die head.
Specific embodiment
The utility model is described in detail with reference to the accompanying drawings and detailed description.
A kind of dry sleeve insulator vacuum aerating running gate system shown in Fig. 1, including epoxy resin casting mold 1, material feeding Tank 2, gas storage pressure tank 3, gas compressor 4, vacuum pump 5, insulating gas gas storage air charging system 6 and gas concentration unit 7;It is described The bottom of material feeding tank 2 is connected to the lower section of epoxy resin casting mold 1 by filling tube 21, and the gas storage pressure tank 3 is located at note It is that pipeline is connect between the top of material feeding tank 2 and gas compressor 4 between batch can 2 and gas compressor 4;It is described true Sky pump 5 and insulating gas gas storage air charging system 6 are connected to asphalt mixtures modified by epoxy resin by vacuum-pumping pipeline 51 and gas charging line 61 respectively The top of fat casting mold 1, the gas concentration unit 7 are connected in parallel on by gas withdrawal line 71 on gas charging line 61.
As shown in Figures 2 and 3, the epoxy resin casting mold 1 is made of quiet mould 11 and dynamic model 12;11 He of quiet mould Dynamic model 12 is bonded to each other together, is formed at molding for the hot-forming die cavity 10 of product;The top of the die cavity 10 is in Full skirt shape, to form the top of sleeve insulator, lower part is cylindrical, to form the tail portion of sleeve insulator, the mould The upper and lower ends of chamber 10 are respectively arranged with upper die head 8 and lower die head 9;The upper end of the quiet mould 11 is provided with flash channel 17, The top of the flash channel 17 and the vacuum-pumping pipeline 51 being arranged on outside epoxy resin casting mold 1 and gas charging line 61 connections, lower end are connected by upper die head 8 with die cavity 10, are used to vacuumize epoxy resin casting mold 1, be filled absolutely Edge gas and flash are used;The lower section of the quiet mould 11 is provided with material feeding slot 111, under 111 one end of material feeding slot and die cavity 10 Portion connects, and the other end extends in the outside of quiet mould 11 and forms sprue 112, and the sprue 12 is connected with filling tube 21.
Above-mentioned epoxy resin casting mold 1 is mounted on the automatic gel pressure machine of epoxy resin, and the material feeding tank 2 is used to deposit Epoxy resin material is put, for storing insulation or dry gas, the gas compressor 4 is used for material feeding the gas storage pressure tank 3 Tank 2 pressurizes, and the vacuum pump 5 is for vacuumizing the die cavity 10 in epoxy resin casting mold 1, the insulating gas Gas storage air charging system 6 is used to fill insulating gas, the gas concentration unit 7 to the die cavity 10 in epoxy resin casting mold 1 For being recycled to the insulating gas in die cavity 10.
In order to be heated to mold, the back side of the quiet mould 11 and dynamic model 12 is both provided with postnotum 19, described Several round tube holes 13 are laterally homogeneously provided on postnotum 19, electrically heated rod 14 is embedded in the round tube hole 13.
After making quiet mould 11 and the molding of dynamic model 12, the die cavity 10 formed is interior with better seal effect, ensures conjunction Die face respectively offers two closed notches in border 15, the notch without gas leakage on the land area of the quiet mould 11 and dynamic model 12 Refractory seals adhesive tape 16 is embedded in 15, forms two seals.
In order to intuitively understand the epoxy resin material injected in die cavity 10 injection situation, the top of the quiet mould 11 is set Flash observation device 18 is equipped with, the gas charging line 61 is observed device 18 by flash and connect with flash channel 17.
In order to control each pipeline and device according to technological requirement, close to poured with epoxy resin on the filling tube 21 Position at mold 1 is provided with the 11st valve 211, and the position at material feeding tank 2 is provided with the 12nd valve 212;It is described The first valve 31 and the second valve 32, connection gas storage pressure tank 3 are provided on the pipeline of connection material feeding tank 2 and gas storage pressure tank 3 With 33 and the 4th valve 34 of third valve is provided on the pipeline of gas compressor 4, wherein, the first valve 31 close to material feeding tank 2, Second valve 32 and third valve 33 are close to gas storage pressure tank 3, and the 4th valve 34 is close to gas compressor 4;It is described to vacuumize Position on pipeline 51 at epoxy resin casting mold 1 is provided with the 8th valve 512, and the position at vacuum pump 5 is set It is equipped with the 5th valve 511;Position on the gas charging line 61 at flash observation device 18 is provided with the 9th valve 712, the position at insulating gas gas storage air charging system 6 is provided with the 7th valve 611, and on the gas charging line 61 Be additionally provided with the tenth valve 612, the tenth valve 612 be located at gas charging line 61 in parallel and gas withdrawal line 71 it Between, the position on the gas withdrawal line 71 at gas concentration unit 7 is provided with the 6th valve 711;The gas storage pressure Position on power tank 3, on the top of material feeding tank 2 and gas charging line 61 at epoxy resin casting mold 1 is both provided with Pressure gauge is provided with vacuum meter on the vacuum pump 5.
A kind of pouring procedure of dry sleeve insulator vacuum aerating running gate system, includes the following steps:
The epoxy resin casting mold 1 is first mounted on the automatic gel pressure machine of epoxy resin by the first step, installation Good die head and related accessory connect system equipment and each pipeline, and pass through on 1 postnotum 19 of epoxy resin casting mold Electrically heated rod 14 heats epoxy resin casting mold 1;
Second step starts gas compressor 4, and opens 33 and the 4th valve 34 of third valve, starts to gas storage pressure tank 3 Pressurization inflation is carried out, when the pressure gauge numerical value on gas storage pressure tank 3 reaches 10Mpa, closes gas compressor 4, and close the Three valves 33 and the 4th valve 34;
Third walks, and starts gas storage pressure tank 3, and open the first valve 31, the second valve 32, starts to carry out material feeding tank 2 Pressurization, until the pressure gauge numerical value on material feeding tank 2 reaches material feeding required value, the first valve 31 of closing;
4th step after 1 temperature of epoxy resin casting mold reaches requirement, starts vacuum pump 5, and open the 5th valve 511 and the 8th valve 512, epoxy resin casting mold 1 is vacuumized, until it reaches authentic dummy status, is then shut off 5th valve 511 and the 8th valve 512 and vacuum pump 5;
5th step starts insulating gas gas storage air charging system 6, and opens the 7th valve 611, the tenth valve 612 and the 9th Valve 712 starts to fill plus insulating gas the die cavity 10 in epoxy resin casting mold 1, check on gas charging line 61 Pressure gauge until reaching convenient pressure requirement, closes the 7th valve 611, the tenth valve 612 and the 9th valve 712 and insulation Gas gas storage air charging system 6;
6th step, opens the 9th valve 712 of 1 top of epoxy resin casting mold, and opens on gas concentration unit 7 6th valve 711 opens gas concentration unit 7, then opens filling tube 21 between epoxy resin casting mold 1 and material feeding tank 2 On the 11st valve 211 and the 12nd valve 212, start to epoxy resin casting mold 1 carry out material feeding;
7th step, the flash observation device 18 of observation epoxy resin casting mold 1 top, when there is epoxy resin material appearance When, the 9th valve 712 is immediately closed off, closes gas concentration unit 7 in a moment;
8th step is again turned on the first valve 31 and starts to carry out material feeding tank 2 secondary pressurized, the pressure on observation material feeding tank 2 Power table closes the first valve 31 when reaching requirement, keep pressure constant and close gas storage pressure tank 3;
9th step keeps pressure to judge in 1 die cavity 10 of epoxy resin casting mold to the stipulated time according to technological requirement After the cured molding of epoxy resin, the 11st valve 211 and the 12nd valve 212 are closed;
Tenth step starts automatic gel pressure machine, and mobile moving platen opens epoxy resin casting mold 1, and taking-up has been poured into a mould Molding sleeve insulator is sent into baking oven, is cured after progress after arrangement;
11st step clears up epoxy resin casting mold 1 and each pipeline, is transferred to and pours into a mould next time.
This dry sleeve insulator vacuum aerating running gate system utilizes automatic moulding forcing press, uses Special seal mould Tool, using to mold vacuumize plus insulating gas method, realize epoxide resin automatic pressure coagulate, complete pouring for sleeve insulator Injection forming effectively avoids the poor air of the insulation performance in traditional epoxy resin pressure gel technology die cavity and is wrapped Wrap up in the method that insulating gas is re-filled with after being vacuumized into the defects of insulator, particularly cavity body of mould so that exhausted after cast There is no insulation weak-points in edge body, greatly improve the dielectric level of product, reduce the possibility of shelf depreciation, have life The characteristics of production means are advanced, and manual intervention is few, and finished product rate is high;The product that the sleeve insulator produced is formed has insulation The features such as performance is high, excellent electric properties, high mechanical strength.
It is emphasized that:The above is only the preferred embodiment of the present utility model, and not the utility model is appointed What formal limitation, every any simple modification made according to the technical essence of the utility model to above example, etc. With variation and modification, in the range of still falling within technical solutions of the utility model.

Claims (9)

1. a kind of dry sleeve insulator vacuum aerating running gate system, it is characterized in that, including epoxy resin casting mold(1), note Batch can(2), gas storage pressure tank(3), gas compressor(4), vacuum pump(5), insulating gas gas storage air charging system(6)It is returned with gas Receiving apparatus(7);The material feeding tank(2)Bottom pass through filling tube(21)It is connected to epoxy resin casting mold(1)Lower section, institute State gas storage pressure tank(3)Positioned at material feeding tank(2)And gas compressor(4)Between, with material feeding tank(2)Top and gas compression Machine(4)Between be pipeline connection;The vacuum pump(5)With insulating gas gas storage air charging system(6)Pass through vacuum-pumping tube respectively Road(51)With gas charging line(61)It is connected to epoxy resin casting mold(1)Top, the gas concentration unit(7)It is logical Cross gas withdrawal line(71)It is connected in parallel on gas charging line(61)On.
2. dry sleeve insulator vacuum aerating running gate system according to claim 1, it is characterized in that, the epoxy resin Casting mold(1)By quiet mould(11)And dynamic model(12)Composition;The quiet mould(11)And dynamic model(12)It is bonded to each other together, closes It is formed at mould for the hot-forming die cavity of product(10);The die cavity(10)Top in full skirt shape, lower part is cylindrical, Upper and lower ends are respectively arranged with upper die head(8)And lower die head(9);The quiet mould(11)Upper end be provided with flash channel (17), the flash channel(17)Top and be arranged on epoxy resin casting mold(1)External vacuum-pumping pipeline(51)With Gas charging line(61)Connection, lower end passes through upper die head(8)With die cavity(10)Connection;The quiet mould(11)Lower section be provided with Material feeding slot(111), the material feeding slot(111)One end and die cavity(10)Lower part connection, the other end extends in quiet mould(11)Outside And form sprue(112), the sprue(112)With filling tube(21)Connection.
3. dry sleeve insulator vacuum aerating running gate system according to claim 2, it is characterized in that, the quiet mould(11) And dynamic model(12)The back side be both provided with postnotum(19), the postnotum(19)On be laterally homogeneously provided with several round tube holes (13), the round tube hole(13)It is interior to be embedded with electrically heated rod(14).
4. dry sleeve insulator vacuum aerating running gate system according to claim 2, it is characterized in that, the quiet mould(11) And dynamic model(12)Land area on respectively offer two closed notches in border(15), the notch(15)Inside it is embedded with high temperature resistant Sealing joint strip(16), form two seals.
5. dry sleeve insulator vacuum aerating running gate system according to claim 2, it is characterized in that, the quiet mould(11) Top be provided with flash observation device(18), the gas charging line(61)Device is observed by flash(18)Lead to flash Road(17)Connection.
6. dry sleeve insulator vacuum aerating running gate system according to claim 1, it is characterized in that, the filling tube (21)Upper close epoxy resin casting mold(1)The position at place is provided with the 11st valve(211), close to material feeding tank(2)Place Position is provided with the 12nd valve(212);The connection material feeding tank(2)With gas storage pressure tank(3)Pipeline on be provided with first Valve(31)With the second valve(32), connect gas storage pressure tank(3)And gas compressor(4)Pipeline on be provided with third valve (33)With the 4th valve(34), wherein, the first valve(31)Close to material feeding tank(2), the second valve(32)With third valve(33) It is close to gas storage pressure tank(3), the 4th valve(34)Close to gas compressor(4).
7. dry sleeve insulator vacuum aerating running gate system according to claim 1, it is characterized in that, the vacuum-pumping tube Road(51)Upper close epoxy resin casting mold(1)The position at place is provided with the 8th valve(512), close to vacuum pump(5)Place Position is provided with the 5th valve(511).
8. dry sleeve insulator vacuum aerating running gate system according to claim 1, it is characterized in that, the gas filling Pipeline(61)It is upper to observe device close to flash(18)The position at place is provided with the 9th valve(712), filled close to insulating gas gas storage Device of air(6)The position at place is provided with the 7th valve(611), and the gas charging line(61)On be additionally provided with the tenth valve (612), the tenth valve(612)Positioned at gas charging line in parallel(61)And gas withdrawal line(71)Between, the gas Body recovery pipe(71)Upper close gas concentration unit(7)The position at place is provided with the 6th valve(711).
9. dry sleeve insulator vacuum aerating running gate system according to claim 1, it is characterized in that, the material feeding tank (2)Top and gas charging line(61)Upper close epoxy resin casting mold(1)The position at place is both provided with pressure gauge, institute State vacuum pump(5)On be provided with vacuum meter.
CN201721587724.6U 2017-11-24 2017-11-24 Dry sleeve insulator vacuum aerating running gate system Expired - Fee Related CN207522935U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201721587724.6U CN207522935U (en) 2017-11-24 2017-11-24 Dry sleeve insulator vacuum aerating running gate system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201721587724.6U CN207522935U (en) 2017-11-24 2017-11-24 Dry sleeve insulator vacuum aerating running gate system

Publications (1)

Publication Number Publication Date
CN207522935U true CN207522935U (en) 2018-06-22

Family

ID=62580032

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201721587724.6U Expired - Fee Related CN207522935U (en) 2017-11-24 2017-11-24 Dry sleeve insulator vacuum aerating running gate system

Country Status (1)

Country Link
CN (1) CN207522935U (en)

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Granted publication date: 20180622