CN104749509A - Withstand voltage test method for multiple insulator strings - Google Patents

Withstand voltage test method for multiple insulator strings Download PDF

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Publication number
CN104749509A
CN104749509A CN201510185553.3A CN201510185553A CN104749509A CN 104749509 A CN104749509 A CN 104749509A CN 201510185553 A CN201510185553 A CN 201510185553A CN 104749509 A CN104749509 A CN 104749509A
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CN
China
Prior art keywords
vase
line card
withstand voltage
suspension type
voltage test
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201510185553.3A
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Chinese (zh)
Inventor
卢四平
张海军
刘超
李华
刘立铭
熊拓
刘月
陈星宇
杨智慧
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
State Grid Corp of China SGCC
Xianning Power Supply Co of State Grid Hubei Electric Power Co Ltd
Original Assignee
State Grid Corp of China SGCC
Xianning Power Supply Co of State Grid Hubei Electric Power Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by State Grid Corp of China SGCC, Xianning Power Supply Co of State Grid Hubei Electric Power Co Ltd filed Critical State Grid Corp of China SGCC
Priority to CN201510185553.3A priority Critical patent/CN104749509A/en
Publication of CN104749509A publication Critical patent/CN104749509A/en
Pending legal-status Critical Current

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Abstract

The invention belongs to the technical field of withstand voltage testing for suspended insulators and particularly relates to a withstand voltage test method for multiple insulator strings. The method is characterized by including the steps of 1, preparing a hanging test support; 2, preparing a withstand voltage test wiring tool for suspended insulators; 3, hanging the suspended insulator strings to the hanging test support through hanging holes of a transverse bar, connecting the suspended insulators through the withstand voltage test wiring tool, clamping vase wire clamps to metal terminals of the suspended insulators during connecting, connecting one end of each suspended insulator to the corresponding pressure end through one wire clamp connecting line, and grounding the other end of each suspended insulator through another wire clamp connecting line; finally performing testing. The method has the advantages that the requirements of safety regulations are met and operating efficiency can also be improved.

Description

Many string porcelain vases are carried out to the method for withstand voltage test
Technical field
The invention belongs to suspension type porcelain vase withstand voltage test technical field, be specifically related to a kind of method of many string porcelain vases being carried out to withstand voltage test.
Background technology
As shown in Figure 1, the suspension type porcelain vase of whole string is clamped by the suspension type porcelain vase machinery of monolithic to form, and each monolithic porcelain vase needs to carry out withstand voltage test before being taken into use, and regulations stipulate every sheet porcelain vase withstand voltage test value is 60kV.In test in order to save time, raise the efficiency, usual service test support supports (as shown in Figure 1, namely the hanging of many string suspension type porcelain vases is on test bracket), and uses plain conductor short circuit, tests many string porcelain vases simultaneously.In suspension type porcelain vase withstand voltage test in the past, test bracket builds in working site temporarily, uses wire to take and touch to connect between suspension type porcelain vase, and device is simple and crude.
Problem wherein just has: (1) safe reliability is poor: traditional test connection mode builds in working site temporarily, connection between every sheet suspension type porcelain vase uses wire many, lack of standardization, often be scattered because generation wire connects insecure, safe distance can not ensure and electric discharge phenomena occur.(2) expend time in length: in gathering as can be seen from suspension type porcelain vase withstand voltage test work statistic at ordinary times, and suspension type porcelain vase withstand voltage test workload is large, and expend time in length; Find at work, use traditional test method, use wire many, change wiring trouble, and because conductive contact loosely, needs repeatedly to connect, expends time in more; And to affect the topmost factor of test period be that to tear setting up time open longer, next be wiring loosely or line-spacing too closely cause spent by rewiring time, all there is direct relation this two parts time with test connection instrument is simple and crude, and therefore test connection mode is simple and crude is the key factor causing longevity of service.
Summary of the invention
For above-mentioned technical matters, the object of the present invention is to provide a kind of method of many string porcelain vases being carried out to withstand voltage test, the method had both met safety regulations requirement, can increase work efficiency again.
For achieving the above object, the technical solution adopted in the present invention is: the method for many string porcelain vases being carried out to withstand voltage test, is characterized in that comprising the steps:
1) hanging stand for experiment is prepared: hanging stand for experiment comprises a rectangular base frame with wheel, each the standing in the two ends of rectangular base frame has a humanoid stand, the top of two humanoid stands is connected by a cross bar, and described cross bar is provided with multiple hanging hole;
2) suspension type porcelain vase withstand voltage test jointer is prepared: suspension type porcelain vase withstand voltage test jointer comprises multiple vase-shaped line card and a line card connecting line, the bottom of each vase-shaped line card is all connected with line card connecting line by connection wire rod, and the opening of multiple vase-shaped line card is towards same direction;
3) suspension type porcelain vase (every a string suspension type porcelain vase is hung over together by multi-disc suspension type porcelain vase string) of going here and there is being hung in stand for experiment by the hanging hole hanging on cross bar more, every a slice suspension type porcelain vase is connected again with suspension type porcelain vase withstand voltage test jointer, during connection, vase-shaped line card is stuck on the metal terminal of corresponding suspension type porcelain vase, one end of every a slice suspension type porcelain vase is connected with live end by line card connecting line, and the other end of every a slice suspension type porcelain vase is by another line card connecting line ground connection; Finally start to test, every sheet suspension type porcelain vase (i.e. porcelain vase) withstand voltage test value is 60kV.
Described line card connecting line is strip metal plate, and strip metal plate is provided with the screw of the rectangular row identical with the number of vase-shaped line card; One end of described connection wire rod is fixedly connected with by nut with the bottom of vase-shaped line card, and the other end of connection wire rod is then fixedly connected with line card connecting line by nut through the screw of corresponding rectangular row.
Described multiple vase-shaped line card is 2-5 vase-shaped line card.
Beneficial effect of the present invention: the method had both met safety regulations requirement, can increase work efficiency again; Be mainly reflected in: 1, this tool operation safety, specification, test connection is firm not to be loosened, and 2, this instrument tears easy-to-connect open, time saving and energy saving, significantly can shorten and tear setting up time open.Line card connecting line in the present invention adopts bullion plate structure, in the vase-shaped line card of cooperation and connection wire rod, is Hard link, makes one-piece construction more firm between three; Moreover line card connecting line is established the screw of rectangular row, width leaves nargin, is convenient to the fine setting of vase-shaped line card spacing.
Accompanying drawing explanation
Fig. 1 is suspension type porcelain vase withstand voltage test schematic diagram.
Fig. 2 one-piece construction schematic diagram (i.e. vertical view) of the present invention.
Fig. 3 is the schematic diagram of line card connecting line (strip metal plate) of the present invention.
Fig. 4 is the structural representation of hanging stand for experiment.
Fig. 5 is application schematic diagram of the present invention.
In figure: the screw of the vase-shaped line card of 1-, 2-line card connecting line, 3-connection wire rod, the rectangular row of 4-, 5-rectangular base frame, 6-wheel, the humanoid stand of 7-, 8-cross bar, 9-hang hole, 10-suspension type porcelain vase.
Embodiment
Technical scheme of the present invention is explained further below in conjunction with drawings and Examples, but not as limiting the scope of the invention.
As shown in Figure 2-5, many string porcelain vases are carried out to the method for withstand voltage test, comprise the steps:
1) hanging stand for experiment is prepared: hanging stand for experiment, comprise a rectangular base frame 5 with wheel 6, each the standing in the two ends of rectangular base frame 5 has a humanoid stand 7, the top of two humanoid stands 7 is connected by a cross bar 8, described cross bar 8 is provided with multiple hanging hole 9 (be generally 2-5, concrete number is determined according to the string number of suspension type porcelain vase).
2) suspension type porcelain vase withstand voltage test jointer is prepared: suspension type porcelain vase withstand voltage test jointer, it comprises multiple vase-shaped line card 1 and (is generally 2-5, be 3 in the present embodiment and accompanying drawing) and a line card connecting line 2, the bottom of each vase-shaped line card 1 is all connected with line card connecting line 2 by connection wire rod 3, and the opening of multiple vase-shaped line card 1 is towards same direction (being namely all positioned at the same side of line card connecting line 2).Described vase-shaped line card 1 forms for adopting manganese steel plate bending according to suspension type porcelain vase metal terminal size, and manganese steel physical strength, elasticity and reversibility are all very outstanding.
3) suspension type porcelain vase (every a string suspension type porcelain vase is hung over together by multi-disc suspension type porcelain vase string) of going here and there is being hung in stand for experiment by the hanging hole hanging on cross bar more, every a slice suspension type porcelain vase is connected again with suspension type porcelain vase withstand voltage test jointer, during connection, vase-shaped line card 1 is stuck on the metal terminal of corresponding suspension type porcelain vase, one end of every a slice suspension type porcelain vase is connected with live end by line card connecting line, and the other end of every a slice suspension type porcelain vase is by another line card connecting line ground connection (another suspension type porcelain vase withstand voltage test jointer); Finally start to test, every sheet suspension type porcelain vase (i.e. porcelain vase) withstand voltage test value is 60kV.
Described line card connecting line 2 is bullion plate structure (being preferably stainless steel), and strip metal plate is provided with the screw 4 of the rectangular row identical with the number of vase-shaped line card 1; One end of described connection wire rod 3 is fixedly connected with by nut with the bottom of vase-shaped line card 1, and the other end of connection wire rod 3 is then fixedly connected with line card connecting line 2 by nut through the screw 4 of corresponding rectangular row.

Claims (3)

1. the porcelain vase of string pair carries out the method for withstand voltage test, it is characterized in that comprising the steps:
1) hanging stand for experiment is prepared: hanging stand for experiment comprises a rectangular base frame with wheel, each the standing in the two ends of rectangular base frame has a humanoid stand, the top of two humanoid stands is connected by a cross bar, and described cross bar is provided with multiple hanging hole;
2) suspension type porcelain vase withstand voltage test jointer is prepared: suspension type porcelain vase withstand voltage test jointer, it is characterized in that it comprises multiple vase-shaped line card (1) and a line card connecting line (2), the bottom of each vase-shaped line card (1) is all connected with line card connecting line (2) by connection wire rod (3), and the opening of multiple vase-shaped line card (1) is towards same direction;
3) will suspension type porcelain vase be gone here and there by the hanging of hanging hole on cross bar in hanging stand for experiment more, every a slice suspension type porcelain vase is connected again with suspension type porcelain vase withstand voltage test jointer, during connection, vase-shaped line card is stuck on the metal terminal of corresponding suspension type porcelain vase, one end of every a slice suspension type porcelain vase is connected with live end by a line card connecting line, and the other end of every a slice suspension type porcelain vase is by another line card connecting line ground connection; Finally start to test, every sheet suspension type porcelain vase withstand voltage test value is 60kV.
2. method of many string porcelain vases being carried out to withstand voltage test according to claim 1, it is characterized in that: described line card connecting line (2) is strip metal plate, strip metal plate is provided with the screw (4) of the rectangular row identical with the number of vase-shaped line card (1); One end of described connection wire rod (3) is fixedly connected with by nut with the bottom of vase-shaped line card (1), and the other end of connection wire rod (3) is then fixedly connected with line card connecting line (2) by nut through the screw (4) of corresponding rectangular row.
3. method of many string porcelain vases being carried out to withstand voltage test according to claim 1, is characterized in that: described multiple vase-shaped line card is 2-5 vase-shaped line card.
CN201510185553.3A 2015-04-20 2015-04-20 Withstand voltage test method for multiple insulator strings Pending CN104749509A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201510185553.3A CN104749509A (en) 2015-04-20 2015-04-20 Withstand voltage test method for multiple insulator strings

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201510185553.3A CN104749509A (en) 2015-04-20 2015-04-20 Withstand voltage test method for multiple insulator strings

Publications (1)

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CN104749509A true CN104749509A (en) 2015-07-01

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107436401A (en) * 2015-09-30 2017-12-05 沈宇杰 It is a kind of quickly to test the pressure-resistant device of suspension insulator and method of testing

Citations (6)

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Publication number Priority date Publication date Assignee Title
JP2007171069A (en) * 2005-12-26 2007-07-05 Hioki Ee Corp Insulation withstand voltage tester
CN201749871U (en) * 2010-06-04 2011-02-16 东莞市永兴电子科技有限公司 LED support material belt
CN102610937A (en) * 2012-04-13 2012-07-25 山东电力集团公司枣庄供电公司 Adjustable earthing wire clip
CN203054016U (en) * 2013-01-31 2013-07-10 云南电力试验研究院(集团)有限公司电力研究院 Multifunctional suspension insulator insulation support
CN203326087U (en) * 2013-07-25 2013-12-04 宁波森富机电制造有限公司 Fixing device for polar-axis antenna pedestal
CN103869225A (en) * 2014-03-14 2014-06-18 国家电网公司 Portable suspension insulator voltage insulation test system and voltage insulation test method thereof

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007171069A (en) * 2005-12-26 2007-07-05 Hioki Ee Corp Insulation withstand voltage tester
CN201749871U (en) * 2010-06-04 2011-02-16 东莞市永兴电子科技有限公司 LED support material belt
CN102610937A (en) * 2012-04-13 2012-07-25 山东电力集团公司枣庄供电公司 Adjustable earthing wire clip
CN203054016U (en) * 2013-01-31 2013-07-10 云南电力试验研究院(集团)有限公司电力研究院 Multifunctional suspension insulator insulation support
CN203326087U (en) * 2013-07-25 2013-12-04 宁波森富机电制造有限公司 Fixing device for polar-axis antenna pedestal
CN103869225A (en) * 2014-03-14 2014-06-18 国家电网公司 Portable suspension insulator voltage insulation test system and voltage insulation test method thereof

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黄兆龙: "悬式绝缘子交流耐压试验架", 《华东电力》 *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107436401A (en) * 2015-09-30 2017-12-05 沈宇杰 It is a kind of quickly to test the pressure-resistant device of suspension insulator and method of testing

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Application publication date: 20150701

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