CN203287472U - A test apparatus for rubber pieces and GIS epoxy bushings of a high-voltage cross-linked cable - Google Patents
A test apparatus for rubber pieces and GIS epoxy bushings of a high-voltage cross-linked cable Download PDFInfo
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- CN203287472U CN203287472U CN201320201217XU CN201320201217U CN203287472U CN 203287472 U CN203287472 U CN 203287472U CN 201320201217X U CN201320201217X U CN 201320201217XU CN 201320201217 U CN201320201217 U CN 201320201217U CN 203287472 U CN203287472 U CN 203287472U
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Abstract
The utility model provides a test apparatus for rubber pieces and GIS epoxy bushings of a high-voltage cross-linked cable. The test apparatus is characterized in that: the test apparatus comprises a high-voltage wire-leading portion and test portions. The high-voltage wire-leading portion which is positioned in the center comprises a wire-leading main body, a metal housing, gas isolated epoxy pieces 3 and conductive connection fittings 4, wherein the gas isolated epoxy pieces 3 and the conductive connection fittings 4 are symmetrically arranged at the left side and the right side of the high-voltage wire-leading portion, with each side having a pair of gas isolated epoxy piece and the conductive connection fitting, and the two pairs of gas isolated epoxy piece and the conductive connection fitting are connected with the two test portions at the left side and the right side respectively. Each test portion comprises case body portions which are sealed by metal housings and two axis positions of which are provided with test cables. The two case body portions are connected into an integral body via a test cable fixture. The test cables are externally coated with rubber pieces under test 8, gas isolated epoxy pieces or GIS epoxy bushings 6 and shielding electrodes in sequence. The end head of the test cable is provided with a conductive connection fitting 10. The internal and external gaps of the gas isolated epoxy pieces or the GIS epoxy bushings 6 at the two sides are vacuum-pumped through metal housing vacuum-pumping mouths and are filled with N2 or SF6 gases.
Description
Technical field
The utility model relates to the test unit of a kind of high-pressure cross-linking cable GIS epoxy bushing and rubber parts, the test unit of a kind of 110kV and 220kV different size high-pressure cross-linking cable rubber parts and GIS epoxy bushing is particularly disclosed, be used for whether rubber parts and the check of GIS epoxy bushing of high-pressure cross-linking cable after moulding are existed defect, avoid the interruption of service after install at scene.
Background technology
The key components of HV cable accessories all will carry out routine test both at home and abroad at present, avoids the interruption of service after install at scene.
At 1.5U
0(phase voltage) is lower measures shelf depreciation, and will carry out 2.5 U
0, withstand voltage test in 30 minutes.Be widely used both at home and abroad to apply under the regulation high voltage and carry out shelf depreciation test and power frequency withstand test.As shown in Figure 1, according to national standard, test can be adopted formal terminal or water terminal with standard terminal 13, and the other end puts rubber parts 14 on the smooth cable insulation surface of handling well, load onto the pressure metal cylinder, also inject the N of dry 0.2～0.7Mpa after cylindrical shell is vacuumized
2Gas or SF
6Gas, apply assigned voltage at the place, standard terminal and test.But the different cross-sections of cable are arranged under same voltage, for example 110kV and 220kV crosslinked cable sectional area commonly used has 400,500,630,800,1000,1200,1600,2000,2500mm
2Formal terminal be again can not be fast and convenient dismounting, to test by Fig. 1 method the rubber parts that the cable in each cross section uses, need many test cables 15 and corresponding terminal sleeve pipe, add different electric pressure cables, a lot of cables are not only wasted in this combination, and to deposit these spare parts in the high-potting place be also great difficulty.
Summary of the invention
The purpose of this utility model is to need a large amount of cables that use in order to solve when the specification of different size cable rubber parts used and GIS epoxy bushing is checked, and the defect of dismounting inconvenience, a kind of high-pressure cross-linking cable rubber parts and GIS epoxy bushing test unit are proposed, cable use amount while not only reducing check, and convenient disassembly, improve work efficiency, and realized rubber parts and the GIS epoxy bushing of the different electric pressures of test in same test unit.
the utility model is achieved in that a kind of high-pressure cross-linking cable rubber parts and GIS epoxy bushing test unit, it is characterized in that: described test unit comprises high-voltage connection part and part of detecting, described high-voltage connection partly is distributed in central authorities, contain leaded main body 1, metal shell 2, air bound epoxy spare 3 connects gold utensil 4 with being connected, be arranged with air bound epoxy spare 3 in the left and right sides of described high-voltage connection part and be connected connection gold utensil 4 that each is a pair of, be connected with two part of detecting of the high-voltage connection part left and right sides respectively, each described part of detecting includes two casing parts that are packaged into by metal shell 11, to link into an integrated entity by test cable fixture 7 between two casing parts, a described chest portion minute position, axle center is provided with test cable 9, test cable 9 overcoats have tested rubber parts or GIS epoxy bushing 8, described tested rubber parts 8 also order cover has air bound epoxy spare or GIS epoxy bushing 6 and guarded electrode 5, the termination of the test cable 9 at two ends, described part of detecting left and right is respectively equipped with conduction and connects gold utensil 10, during test, first by vacuum orifice on test cable fixture 7 and metal shell 11, respectively the air bound epoxy spare of both sides or the interior external series gap of GIS epoxy bushing 6 are vacuumized, and be filled with N ﹠lt, sub TranNum="73" ﹠gt, 2 ﹠lt, /sub ﹠gt, or SF ﹠lt, sub TranNum="74" ﹠gt, 6 ﹠lt, /sub ﹠gt, test again after gas.
The N that is filled with again after two part of detecting of the described high-voltage connection part left and right sides vacuumize respectively
2Or SF
6When gaseous tension is identical, the specification of the tested rubber parts of the left and right sides and air bound epoxy spare or GIS epoxy bushing is also identical, when gaseous tension does not wait, the specification of the tested rubber parts of the left and right sides and air bound epoxy spare or GIS epoxy bushing is not identical yet, realizes once testing the detection of completing 4 measured pieces.
Described experimental provision also comprises slave part, described slave part is a servicing unit with roller, the whole bearing of high-voltage connection part and part of detecting thereon, conveniently move left and right, described servicing unit also is provided with pneumatic element 12, and the pushing tow action by pneumatic element 12 splits tested cable and rubber parts rapidly easily.
The beneficial effects of the utility model are:
1. due to the rubber parts of power product and the epoxy bushing volume is large, Heavy Weight, prior art detects or during routine test it carrying out, need pay larger manpower and frock time, therefore the utility model test unit has reduced labour intensity, frock is fast and convenient, has improved work efficiency;
2. the utility model has been realized in same test unit, carries out the product routine test of different electric pressures;
3. the utility model has been realized in same test unit, different size, different types of rubber parts and epoxy bushing is carried out the routine test of product;
4. the utility model has been realized the economy of test, and the test cable length that uses in test is shorter;
5. the utility model has reduced the pollution of atmospheric environment as far as possible, because formal product both domestic and external all uses sulfur hexafluoride gas as insulating medium, and sulfur hexafluoride gas has greenhouse effect, therefore the utility model reduces the use sulfur hexafluoride gas, increase the use of nitrogen, and realized the zero-emission of sulfur hexafluoride gas;
6. due to the restriction of test site, the utility model has been realized whole flexible performance.
Description of drawings
Fig. 1 is prior art high-pressure cross-linking cable rubber parts test schematic diagram.
Fig. 2 is the utility model structural representation.
Fig. 3 is the A section enlarged drawing of Fig. 2.
In figure: 1, lead-in wire main body; 2, metal shell; 3, air bound epoxy spare; 4, conduction connects gold utensil; 5, guarded electrode; 6, air bound epoxy spare or GIS epoxy bushing; 7, test cable fixture; 8, tested rubber parts; 9, test cable; 10, conduction connects gold utensil; 11, metal shell; 12, pneumatic element; 13, standard cable; 14, rubber parts; 15, test cable; I, high-voltage connection part; II, part of detecting; III, slave part.
Embodiment
With reference to the accompanying drawings 2, a kind of high-pressure cross-linking cable rubber parts of the utility model and GIS epoxy bushing test unit, mainly be divided into three parts high-voltage connection part I, part of detecting II and slave part III.
The utility model has designed a kind of novel structure, and the high-voltage connection of this structure partly need not to use the high-voltage connection of long section cable as device, within high-voltage connection partly is arranged on silicone rubber composite bushing.When testing, after only needing to be installed on test specimen rubber parts 8 on test cable 9, in the part of detecting II of the test unit of packing into, just can carry out the electrical property routine test of product.This section test cable only needs 2.5m.
With reference to the accompanying drawings 2 and Fig. 3, the effect of high-voltage connection part I is that trial voltage is introduced on sample in proving installation.The high-voltage connection part is comprised of lead-in wire main body 1, metal shell 2, air bound epoxy spare 3 and the connection gold utensil 4 that is connected.The left and right sides of high-voltage connection part is arranged with air bound epoxy spare 3 and is connected connection gold utensil 4 that each is a pair of, be connected with two part of detecting of the high-voltage connection part left and right sides respectively, each described part of detecting includes two casing parts that are packaged into by metal shell 11, to link into an integrated entity by test cable fixture 7 between two casing parts, a chest portion minute position, axle center is provided with test cable 9, test cable 9 overcoats have tested rubber parts or 8, and tested rubber parts 8 also order cover has air bound epoxy spare or GIS epoxy bushing 6 and guarded electrode 5.Respectively the air bound epoxy spare of both sides or the interior external series gap of GIS epoxy bushing 6 are vacuumized processing by vacuum orifice on test cable fixture 7 and metal shell 11 after installing, then be filled with the SF of certain pressure
6Gas.
The effect of part of detecting II is fast and convenient different electric pressures, different size rubber parts and epoxy bushing are tested.Part of detecting connects gold utensil 10, test cable fixture 7 and test cable 9 by metal shell 11, air bound epoxy or GIS epoxy bushing 6, conduction and sample forms.The termination of the test cable 9 at two ends, part of detecting left and right is respectively equipped with conduction and connects gold utensil 10.
The slave part III is a servicing unit with roller, the whole bearing of high-voltage connection part and part of detecting thereon, its effect is can be with integrated testability device fast moving, and pneumatic element 12 is installed, and the pushing tow action by pneumatic element splits tested cable and rubber parts 8 rapidly.
The utility model is when carrying out the sample test of 220kV electric pressure, first metal shell 11, conduction are connected gold utensil 10 and be connected with the air bound epoxy spare 3 of high-voltage connection part I, again the air bound epoxy spare of part of detecting or GIS epoxy bushing 6 being connected gold utensil 10 with metal shell 11 and conduction is connected, then vacuum suction is carried out in its inside and process, and be filled with the N of certain pressure
2Gas.After this, by test cable fixture 7, test cable is fixed, and required experimental rubber part is installed on test cable according to relevant position, then within it is installed on air bound epoxy spare or GIS epoxy bushing 6.Afterwards to the processing of bleeding of air bound epoxy spare or GIS epoxy bushing 6 inner vacuum, and fill N with certain pressure
2Gas.After this, can carry out the test of routine test.If need to change the different size rubber stress cone, a test cable that needs to be fixed on the test cable fixture is dismantled, is extracted out and change the different cross section test cable, and installation different size rubber stress cone gets final product.
, if need test GIS epoxy bushing, only need part of detecting air bound epoxy spare or the inside and outside N of GIS epoxy bushing 6
2Air release, be replaced with the GIS epoxy bushing, and outside is filled with the N of certain pressure
2Gas, and corresponding test cable is installed and rubber parts can carry out electric performance test.
When carrying out the sample test of 110kV electric pressure, only need guarded electrode 5 is installed in metal shell, fill the N with certain pressure
2Gas, then test cable and rubber stress cone are replaced with the 110kV electric pressure, all the other operations are consistent with 220kV, can carry out electric performance test to the sample of 110kV electric pressure.
Claims (3)
1. a high-pressure cross-linking cable rubber parts and GIS epoxy bushing test unit, it is characterized in that: described test unit comprises high-voltage connection part and part of detecting, described high-voltage connection partly is distributed in central authorities, contain leaded main body (1), metal shell (2), air bound epoxy spare (3) connects gold utensil (4) with being connected, be arranged with air bound epoxy spare (3) in the left and right sides of described high-voltage connection part and be connected connection gold utensil (4) that each is a pair of, be connected with two part of detecting of the high-voltage connection part left and right sides respectively, each described part of detecting includes two casing parts that are packaged into by metal shell (11), to link into an integrated entity by test cable fixture (7) between two casing parts, a described chest portion minute position, axle center is provided with test cable (9), test cable (9) overcoat has tested rubber parts (8), described tested rubber parts (8) also order cover has air bound epoxy spare or GIS epoxy bushing (6) and guarded electrode (5), the termination of the test cable (9) at two ends, described part of detecting left and right is respectively equipped with conduction and connects gold utensil (10), during test, first by the vacuum orifice on test cable fixture (7) and metal shell (11), respectively the air bound epoxy spare of both sides or the interior external series gap of GIS epoxy bushing (6) are vacuumized, and be filled with N ﹠lt, sub TranNum="109" ﹠gt, 2 ﹠lt, /sub ﹠gt, or SF ﹠lt, sub TranNum="110" ﹠gt, 6 ﹠lt, /sub ﹠gt, test again after gas.
2. described high-pressure cross-linking cable rubber parts and GIS epoxy bushing test unit according to claim 1, is characterized in that: the N that is filled with again after two part of detecting of the described high-voltage connection part left and right sides vacuumize respectively
2Or SF
6When gaseous tension is identical, the specification of the tested rubber parts of the left and right sides and air bound epoxy spare or GIS epoxy bushing is also identical, when gaseous tension does not wait, the specification of the tested rubber parts of the left and right sides and air bound epoxy spare or GIS epoxy bushing is not identical yet, realizes once testing the detection of completing 4 measured pieces.
3. according to claim 1 or 2 described high-pressure cross-linking cable rubber parts and GIS epoxy bushing test unit, it is characterized in that: described experimental provision also comprises slave part, described slave part is a servicing unit with roller, the whole bearing of high-voltage connection part and part of detecting thereon, conveniently move left and right, described servicing unit also is provided with pneumatic element (12), and the pushing tow action by pneumatic element (12) splits tested cable and rubber parts (8) rapidly easily.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320201217XU CN203287472U (en) | 2013-04-19 | 2013-04-19 | A test apparatus for rubber pieces and GIS epoxy bushings of a high-voltage cross-linked cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320201217XU CN203287472U (en) | 2013-04-19 | 2013-04-19 | A test apparatus for rubber pieces and GIS epoxy bushings of a high-voltage cross-linked cable |
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| Publication Number | Publication Date |
|---|---|
| CN203287472U true CN203287472U (en) | 2013-11-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320201217XU Expired - Lifetime CN203287472U (en) | 2013-04-19 | 2013-04-19 | A test apparatus for rubber pieces and GIS epoxy bushings of a high-voltage cross-linked cable |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104535910A (en) * | 2015-01-12 | 2015-04-22 | 国网上海市电力公司 | Integrated terminal device used for power cable step-by-step puncture test |
| CN105116310A (en) * | 2015-08-27 | 2015-12-02 | 江苏普朗克电力科技有限公司 | Novel high voltage cable test device |
| CN109490734A (en) * | 2018-12-20 | 2019-03-19 | 上海平高天灵开关有限公司 | A kind of high-pressure insulator quick performance verifying attachment |
| CN111103518A (en) * | 2019-12-10 | 2020-05-05 | 国网上海市电力公司 | Cable GIS terminal completion test device and method |
-
2013
- 2013-04-19 CN CN201320201217XU patent/CN203287472U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104535910A (en) * | 2015-01-12 | 2015-04-22 | 国网上海市电力公司 | Integrated terminal device used for power cable step-by-step puncture test |
| CN105116310A (en) * | 2015-08-27 | 2015-12-02 | 江苏普朗克电力科技有限公司 | Novel high voltage cable test device |
| CN109490734A (en) * | 2018-12-20 | 2019-03-19 | 上海平高天灵开关有限公司 | A kind of high-pressure insulator quick performance verifying attachment |
| CN111103518A (en) * | 2019-12-10 | 2020-05-05 | 国网上海市电力公司 | Cable GIS terminal completion test device and method |
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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 | ||
| CX01 | Expiry of patent term |
Granted publication date: 20131113 |