CN101694793B - Insulating supporting rod for high-voltage electrical appliance and production method thereof - Google Patents
Insulating supporting rod for high-voltage electrical appliance and production method thereof Download PDFInfo
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- CN101694793B CN101694793B CN2009102054946A CN200910205494A CN101694793B CN 101694793 B CN101694793 B CN 101694793B CN 2009102054946 A CN2009102054946 A CN 2009102054946A CN 200910205494 A CN200910205494 A CN 200910205494A CN 101694793 B CN101694793 B CN 101694793B
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- epoxy resin
- rod body
- mould
- electrical appliance
- voltage electrical
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 11
- 239000003822 epoxy resin Substances 0.000 claims abstract description 41
- 229920000647 polyepoxide Polymers 0.000 claims abstract description 41
- 239000002184 metal Substances 0.000 claims abstract description 30
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 12
- 150000001412 amines Chemical class 0.000 claims description 6
- 235000012239 silicon dioxide Nutrition 0.000 claims description 6
- 239000000377 silicon dioxide Substances 0.000 claims description 6
- 238000003756 stirring Methods 0.000 claims description 6
- 238000005266 casting Methods 0.000 claims description 3
- 239000003795 chemical substances by application Substances 0.000 claims description 3
- 238000004140 cleaning Methods 0.000 claims description 3
- 239000000498 cooling water Substances 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 claims description 3
- 239000012535 impurity Substances 0.000 claims description 3
- 239000002245 particle Substances 0.000 claims description 3
- 239000011248 coating agent Substances 0.000 abstract 1
- 238000000576 coating method Methods 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 3
- 239000011521 glass Substances 0.000 description 3
- 238000009413 insulation Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005662 electromechanics Effects 0.000 description 1
- 238000013467 fragmentation Methods 0.000 description 1
- 238000006062 fragmentation reaction Methods 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 229910052573 porcelain Inorganic materials 0.000 description 1
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Abstract
The invention discloses an insulating supporting bar for a high-voltage electrical appliance and a production method thereof. The insulating supporting rod for the high-voltage electrical appliance comprises an epoxy resin rod body and two metal inserts, wherein the two metal inserts are respectively embedded in two ends of the epoxy resin rod body; the upper end surface and the lower end surfaceof the epoxy resin rod body are parallel; an included angle between the central connecting line of the upper end surface and the lower end surface and the vertical line of the end surfaces is 0-15 degrees; and internal threads are arranged on the metal inserts. The production method of the insulating supporting rod comprises the following steps: a. coating a semi-conductive rubber layer outside the two metal inserts; b. fixing the two metal inserts in a mould; c. vacuum-pouring epoxy resin; and d. demoulding. The epoxy resin rod body can be installed and used in a tiny space, and has high structural strength; and the supporting rod produced by the invention has high structural strength and good insulating property.
Description
Technical field
The present invention relates to a kind of insulating support rod and production method thereof, particularly a kind of insulating supporting rod for high-voltage electrical appliance and production method thereof.
Background technology
Traditional insulating support rod mainly is by making as pottery or glass (a kind of insulating material), in the insulating of electric measurement of high pressure technical field, insulating support rod as insulating element, promptly the parts of being made by pottery or glass had both born mechanical load, bear electrical load again, along with the raising of electric pressure, the electromechanics load that insulating support rod need bear constantly increases the weight of, and at SF
6What gas interior was born improves constantly, and porcelain or glass insulation support bar in use expose its intrinsic defective.Mainly show as: insulation property are lower under the filthy condition, and it is low that Lip river voltage is dodged on the surface; Mechanical strength is difficult to satisfy service requirement, easily fragmentation, fracture etc.; Complex manufacturing, rate of finished products are extremely low.
Summary of the invention
The technical problem to be solved in the present invention is: a kind of structural strength height is provided, can have prevented the ultra high voltage electrical equipment insulating support rod that support bar rotates, can install at relatively limited small space, the present invention also provides a kind of production method of this insulating support rod.
In order to solve the problems of the technologies described above, insulating supporting rod for high-voltage electrical appliance of the present invention comprises epoxy resin rod body and two metal inserts, two metal inserts are embedded in respectively in the two ends of epoxy resin rod body, two end faces are parallel up and down for epoxy resin rod body, the vertical line angle of the line of centres of two end faces and end face is 0-15 ° up and down, and internal thread is arranged on the metal insert.
Littler in order to guarantee that support bar reaches the limit space that under the prerequisite of design strength it can be passed through, the cross section of described epoxy resin rod body is oval, and epoxy resin rod body is tapered to the other end by an end.
The profile of described metal insert is cylindrical, and being provided with thickness between metal insert and the epoxy resin rod body is 0.5-0.6mm semi-conductive rubber layer.Metal insert adopts cylindrical outer shape, can well improve the maximum disruptive field intensity of product.The semi-conductive rubber layer has good cushioning effect, can make epoxy resin fully contact, solidify with metal insert, and avoiding occurring between them bubble, gap etc. influences its dielectric strength.
In order better to stop support bar to rotate, the line of centres of two end faces and the vertical line angle of end face are 6 ° about the described epoxy resin rod body.
The production method of insulating support rod of the present invention comprises that step has a to coat the semi-conductive rubber layer outside two metal inserts, and after the 80 ℃ of curing of heating, surface impurity and tip are removed in cleaning; B is separately fixed at two ends in the epoxy resin rod body vacuum pouring mold cavity with two metal inserts, and smears one deck release agent at the inner chamber of mould; C is evacuated to below the 5Pa mould, casting epoxy resin in mould then: earlier epoxy resin is warmed up to 70 ℃, adding particle diameter is 82-85 μ m purpose silicon dioxide, heats while stirring, and reaches 80 ℃ to temperature, add fatty amine again, and stir, the weight ratio of epoxy resin, silicon dioxide and fatty amine is 1: 0.56: 0.9, forms pours, be in mould, to pour into a mould pours under 90 ℃～95 ℃ the condition in temperature, and under this temperature, solidified 3 hours; D carries out carrying out the demoulding again behind the cooling water circulation to 35 ℃ to mould; E utilizes lathe fine finishining pouring piece.
Beneficial effect of the present invention is: the special design of the shape of epoxy resin rod body of the present invention can be installed and used and the structural strength height it in narrow space; Solving in the past, support bar is fixed in the problem that occurs rotation between two electrodes, especially upper surface and corresponding angle of lower surface translation, under the situation that two interelectrode distances are fixed, if insulating support rod takes place to rotate, then increasing will inevitably appear in the distance between two points of insulating support rod connection electrode, so each strong point can stop its rotation.The upper and lower metal insert that is cast in epoxy resin rod body inside is convenient to be connected with electrode.Adopt specific raw material addition sequence and specific raw material proportioning when insulating support rod of the present invention is prepared pours aborning, and in specific temperature and vacuum environment, pour into a mould, feasible supporting bar structure intensity height, the good insulation preformance of making.
Description of drawings
Fig. 1 is the main TV structure schematic diagram (broken section) of support bar of the present invention; Fig. 2 is the left TV structure schematic diagram of Fig. 1; Fig. 3 is the plan structure schematic diagram of Fig. 1;
Among the figure: 1, metal insert, 2, the semi-conductive rubber layer, 3, epoxy resin rod body.
Embodiment
A kind of insulating supporting rod for high-voltage electrical appliance as Figure 1-3, comprise epoxy resin rod body 3 and two metal inserts 1, two metal inserts 1 are embedded in respectively in the two ends of epoxy resin rod body 3, epoxy resin rod body about in the of 3 two end faces parallel, the vertical line angle of the line of centres of two end faces and end face is 0-15 ° up and down, be preferably 6 °, the profile of metal insert 1 is cylindrical, on the metal insert 1 internal thread is arranged, being provided with thickness between metal insert 1 and the epoxy resin rod body 3 is 0.5-0.6mm semi-conductive rubber layer 2.
The cross section of epoxy resin rod body 3 is oval, and epoxy resin rod body 3 is tapered to the other end by an end.
The production method of above-mentioned insulating supporting rod for high-voltage electrical appliance: comprise that step has a to coat the semi-conductive rubber layer outside two metal inserts, and after the 80 ℃ of curing of heating, surface impurity and tip are removed in cleaning; B is separately fixed at two ends in the epoxy resin rod body vacuum pouring mold cavity with two metal inserts, and smears one deck release agent at the inner chamber of mould; C is evacuated to below the 5Pa mould, casting epoxy resin in mould then: earlier epoxy resin is warmed up to 70 ℃, adding particle diameter is 82-85 μ m purpose silicon dioxide, heats while stirring, and reaches 80 ℃ to temperature, add fatty amine again, and stir, the weight ratio of epoxy resin, silicon dioxide and fatty amine is 1: 0.56: 0.9, forms pours, be in mould, to pour into a mould pours under 90 ℃～95 ℃ the condition in temperature, and under this temperature, solidified 3 hours; D carries out carrying out the demoulding again behind the cooling water circulation to 35 ℃ to mould; E utilizes lathe fine finishining pouring piece: at the get on the bus burr of pouring piece of lathe.
Claims (5)
1. insulating supporting rod for high-voltage electrical appliance, it is characterized in that: comprise epoxy resin rod body (3) and two metal inserts (1), two metal inserts (1) are embedded in respectively in the two ends of epoxy resin rod body (3), epoxy resin rod body (3) two end faces up and down is parallel, the vertical line angle of the line of centres of two end faces and end face is greater than 0 ° to 15 ° up and down, and metal insert has internal thread on (1).
2. insulating supporting rod for high-voltage electrical appliance according to claim 1 is characterized in that: the cross section of described epoxy resin rod body (3) is for oval, and epoxy resin rod body (3) is tapered to the other end by an end.
3. insulating supporting rod for high-voltage electrical appliance according to claim 1 and 2, it is characterized in that: the profile of described metal insert (1) is cylindrical, and being provided with thickness between metal insert (1) and the epoxy resin rod body (3) is 0.5-0.6mm semi-conductive rubber layer (2).
4. insulating supporting rod for high-voltage electrical appliance according to claim 3 is characterized in that: described epoxy resin rod body (3) line of centres of two end faces and the vertical line angle of end face up and down is 6 °.
5. the production method of the described insulating supporting rod for high-voltage electrical appliance of claim 4 is characterized in that: comprise that step has a to coat the semi-conductive rubber layer outside two metal inserts (1), and after the 80 ℃ of curing of heating, surface impurity and tip are removed in cleaning; B is separately fixed at two ends in epoxy resin rod body (3) the vacuum pouring mold cavity with two metal inserts (1), and smears one deck release agent at the inner chamber of mould; C is evacuated to below the 5Pa mould, casting epoxy resin in mould then: earlier epoxy resin is warmed up to 70 ℃, adding particle diameter is the silicon dioxide of 82-85 μ m, heats while stirring, and reaches 80 ℃ to temperature, add fatty amine again, and stir, the weight ratio of epoxy resin, silicon dioxide and fatty amine is 1: 0.56: 0.9, forms pours, be in mould, to pour into a mould pours under 90 ℃～95 ℃ the condition in temperature, and under this temperature, solidified 3 hours; D carries out carrying out the demoulding again behind the cooling water circulation to 35 ℃ to mould; E utilizes lathe fine finishining pouring piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009102054946A CN101694793B (en) | 2009-10-19 | 2009-10-19 | Insulating supporting rod for high-voltage electrical appliance and production method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009102054946A CN101694793B (en) | 2009-10-19 | 2009-10-19 | Insulating supporting rod for high-voltage electrical appliance and production method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101694793A CN101694793A (en) | 2010-04-14 |
| CN101694793B true CN101694793B (en) | 2011-10-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009102054946A Active CN101694793B (en) | 2009-10-19 | 2009-10-19 | Insulating supporting rod for high-voltage electrical appliance and production method thereof |
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| Country | Link |
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| CN (1) | CN101694793B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101958166B (en) * | 2010-09-02 | 2012-05-23 | 广西银河迪康电气有限公司 | Manufacture method of solid insulating circuit device |
| JP5620239B2 (en) * | 2010-11-30 | 2014-11-05 | 株式会社東芝 | Insulation support device |
| FR3001080B1 (en) * | 2013-01-11 | 2015-03-13 | Schneider Electric Ind Sas | ISOLATOR-MEDIUM MEDIUM VOLTAGE SUPPORT |
| CN103219189B (en) * | 2013-03-27 | 2015-07-15 | 国家电网公司 | Rotary insulator and isolating switch |
| CN104143461B (en) * | 2013-07-16 | 2016-06-08 | 国家电网公司 | Transmission insulator and use the isolator of this transmission insulator |
| CN109872849B (en) * | 2018-11-26 | 2020-11-06 | 平高集团有限公司 | Disc insulator and manufacturing method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3786175A (en) * | 1971-04-27 | 1974-01-15 | Transmission Dev Ltd | Electrical insulator having sheds arranged at an angle to its axis |
| CN2291710Y (en) * | 1997-03-07 | 1998-09-16 | 冯海潮 | High-strength epoxide resin multi-layer bar |
| CN2374951Y (en) * | 1999-05-25 | 2000-04-19 | 东莞市高能实业公司 | Synthetic insulator |
| CN2452097Y (en) * | 2000-11-28 | 2001-10-03 | 长治电力容海电器厂 | Fuse insulator |
| CN201527862U (en) * | 2009-10-19 | 2010-07-14 | 山东彼岸电力科技有限公司 | Insulation supporting rod used for high-voltage electrical appliances |
-
2009
- 2009-10-19 CN CN2009102054946A patent/CN101694793B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3786175A (en) * | 1971-04-27 | 1974-01-15 | Transmission Dev Ltd | Electrical insulator having sheds arranged at an angle to its axis |
| CN2291710Y (en) * | 1997-03-07 | 1998-09-16 | 冯海潮 | High-strength epoxide resin multi-layer bar |
| CN2374951Y (en) * | 1999-05-25 | 2000-04-19 | 东莞市高能实业公司 | Synthetic insulator |
| CN2452097Y (en) * | 2000-11-28 | 2001-10-03 | 长治电力容海电器厂 | Fuse insulator |
| CN201527862U (en) * | 2009-10-19 | 2010-07-14 | 山东彼岸电力科技有限公司 | Insulation supporting rod used for high-voltage electrical appliances |
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| Publication number | Publication date |
|---|---|
| CN101694793A (en) | 2010-04-14 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Insulating supporting rod for high-voltage electrical appliance and production method thereof Effective date of registration: 20120105 Granted publication date: 20111005 Pledgee: Shandong investment Company limited by guarantee Pledgor: SHANDONG PEIPORT ELECTRIC POWER SCIENCE & TECHNOLOGY Co.,Ltd. Registration number: 2012990000010 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20160905 Granted publication date: 20111005 Pledgee: Shandong investment Company limited by guarantee Pledgor: SHANDONG PEIPORT ELECTRIC POWER SCIENCE & TECHNOLOGY Co.,Ltd. Registration number: 2012990000010 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
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Denomination of invention: An insulating support rod for high-voltage electrical appliances and its production method Effective date of registration: 20230328 Granted publication date: 20111005 Pledgee: Weihai commercial bank Limited by Share Ltd. Ji'nan branch Pledgor: SHANDONG PEIPORT ELECTRIC POWER SCIENCE & TECHNOLOGY Co.,Ltd. Registration number: Y2023980036176 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Granted publication date: 20111005 Pledgee: Weihai commercial bank Limited by Share Ltd. Ji'nan branch Pledgor: SHANDONG PEIPORT ELECTRIC POWER SCIENCE & TECHNOLOGY Co.,Ltd. Registration number: Y2023980036176 |