CN203385761U - Wiring clamp for loop resistor measuring and overpressure resistant test - Google Patents

Wiring clamp for loop resistor measuring and overpressure resistant test Download PDF

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Publication number
CN203385761U
CN203385761U CN201320467850.3U CN201320467850U CN203385761U CN 203385761 U CN203385761 U CN 203385761U CN 201320467850 U CN201320467850 U CN 201320467850U CN 203385761 U CN203385761 U CN 203385761U
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CN
China
Prior art keywords
segment
shaped framework
spring card
paragraph
resistance measurement
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.)
Expired - Fee Related
Application number
CN201320467850.3U
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Chinese (zh)
Inventor
于建涛
尹曙光
范立海
陈亚坤
张明光
金雍奥
罗涛
杨国鹏
李彦国
梁毅涵
于建水
袁翔
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
Langfang Power Supply Co of State Grid Jibei Electric Power Co Ltd
Original Assignee
State Grid Corp of China SGCC
Langfang Power Supply Co of State Grid Jibei 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, Langfang Power Supply Co of State Grid Jibei Electric Power Co Ltd filed Critical State Grid Corp of China SGCC
Priority to CN201320467850.3U priority Critical patent/CN203385761U/en
Application granted granted Critical
Publication of CN203385761U publication Critical patent/CN203385761U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model provides a wiring clamp for loop resistor measuring and an overpressure resistant test. The wiring clamp comprises a clamping portion and an insulation rod connected with the lower end of the clamping portion. The clamping portion comprises a U-shaped frame, and a first spring clamping sheet and a second spring clamping sheet which are respectively connected between an arc-shaped portion and an linear portion from the inner side of the U-shaped frame, wherein the first spring clamping sheet and the second spring clamping sheet form a splay; the intermediate part of the first spring clamping sheet breaks so as to form a first segment connected with the arc-shaped portion of the U-shaped frame and a second segment connected with the linear portion of the U-shaped frame; and the first segment and the second segment are connected through an insulation plate; the connection position of the arc-shaped portion of the U-shaped frame and the first segment is provided with a through hole; a voltage wire conductive with the first segment is inserted into the through hole; and the connection position of the linear portion of the U-shaped frame and the second segment is provided with a current line interface conductive with the second segment. The wiring clamp provided by the utility model has the advantage that wiring can be conveniently provided for the loop resistor measuring and the overpressure resistant test without working at a high position by using the wiring clamp.

Description

Jointing clamp for loop resistance measurement and withstand voltage test
Technical field
The utility model relates to a kind of jointing clamp, relates in particular to a kind of jointing clamp for loop resistance measurement and withstand voltage test.
Background technology
The galvanic circle resistance measurement of high voltage electric equipment is must try project after electrical equipment handing-over, overhaul.GB50150-2006 " commissioning test of electric device installation work electrical equipment ", DL/T596-1996 " power equipment preventive trial rules " make strict regulations to this, the compulsive clause that wherein the galvanic circle resistance measurement standard of the isolating switch kind equipment such as vacuum circuit breaker, SF6 isolating switch, SF6 gas insulated metal enclosed swit chgear and gas insulated metal enclosed swit chgear especially must strict implement.In addition, AC voltage withstand test is also the effective ways that test the dielectric level of tested electrical equipment and bear various superpotential abilities, significant to guaranteeing equipment safety operation equally.As can be seen here, how science, carry out electrical equipment loop resistance measurement and AC voltage withstand test efficiently and become one of key content of paying close attention in the high-potting field.
Nowadays, at GIS(gas-insulated switch hybrid gas insulator switch), HGIS(mixed gas insulated switch hybrid gas insulator switch), the intelligent combined electric equipment of PASS(plug and switch system) etc. equipment carries out that loop resistance measurement and AC voltage withstand test used is conventional hand-held binding clip, in process of the test, need to have the staff to hold this binding clip climbs up the inlet-outlet sleeve of the equipment such as GIS and carries out wiring, task is heavy, repeatability is large, and efficiency is low; And because the particular design of GIS, HGIS, PASS equipment is constructed, the wiring of these two tests can only be passed through the cannula tip clamping, simultaneously due to the angle problem, even the mode that coordinates existing brake pull-rod to use this binding clip to carry out wiring can not well complete wiring work; The device external bendings such as GIS, HGIS, PASS are smooth in addition, and sleeve pipe is outward-dipping, and installation site is all higher, and operator must use ladder to carry out ascend operation, and labour intensity is large, dangerous high, exist serious potential safety hazard.Therefore, must take effective measures, reduce ascend operation, increase work efficiency.
For problems, Li Changbing, the Zhou Ziming that " electrification of the countryside " 06 periodical in 2012 is stepped on, Anping moon work " telescopic altitude test electric wire connecting junction " literary composition in, the design proposal of telescopic altitude test electric wire connecting junction has been proposed, there is certain rationality, but this design proposal is only applicable to the cable-type equipment interface, the scope of application has certain limitation.
The utility model content
The problems referred to above that exist for prior art, the utility model provides a kind of jointing clamp for loop resistance measurement and withstand voltage test, and it does not need operator's ascend operation, can carry out the wiring operation on the ground.
According to embodiment of the present utility model, the utility model provides a kind of jointing clamp for loop resistance measurement and withstand voltage test, comprises clamping part and the insulating bar that is connected to described clamping part lower end, and described clamping part comprises: U-shaped framework, inboard from described U-shaped framework, be connected to the first spring card and the second spring card between its arch section and its straight line portion, described the first spring card and the second spring card form splayed, the centre of wherein said the first spring card is broken as the first paragraph be connected with the arch section of described U-shaped framework and the second segment be connected with the straight line portion of described U-shaped framework, between described first paragraph and second segment, by insulcrete, connect, through hole is offered in the arch section of described U-shaped framework and the junction of described first paragraph, be inserted with the pressure-wire with described first paragraph conducting in described through hole, the straight line portion of described U-shaped framework and the junction of described second segment are provided with the electric current line interface with described second segment conducting.
Preferably, be provided for connecting the connecting screw of measure traverse line in described electric current line interface and for the nut of fixing described connecting screw.
Preferably, described insulcrete is connected with second segment with described first paragraph by screw respectively.
Preferably, described insulating bar is connected to the lower end that described U-shaped framework is connected with the straight line portion of described the first spring card.
Preferably, described insulating bar be can be flexible three pair rod.
The beneficial effect of the jointing clamp for loop resistance measurement and withstand voltage test of the present utility model is, use this jointing clamp, operator is without ascend operation, the first spring leaf of jointing clamp and the second spring card can be combined at the hand-held insulating bar in ground on the outlet casing tube wire clamp of the equipment such as GIS, HGIS, PASS and carry out loop resistance measurement and withstand voltage test, greatly strengthen operational security, reduce the workload of wiring and dismounting, can greatly increase work efficiency.
The accompanying drawing explanation
Fig. 1 is the structural representation of the clamping part of the jointing clamp for loop resistance measurement and withstand voltage test of the present utility model.
Fig. 2 is the side view along the A-A direction of Fig. 1.
Reference numeral:
10-U-shaped framework 20-the first spring card the 30-the second spring card
21-first paragraph, 22-second segment, 23-insulcrete, 24-connecting screw
40-pressure-wire, 50-attaching nut, 60-joint sleeve
Embodiment
The embodiment of the present accompanying drawings jointing clamp for loop resistance measurement and withstand voltage test of the present utility model.
Jointing clamp for loop resistance measurement and withstand voltage test of the present utility model comprises clamping part and is connected to the insulating bar of described clamping part lower end.Fig. 1 shows the clamping part of this jointing clamp, because insulating bar can use the insulating bar of known technology, goes out insulating bar so not shown.As depicted in figs. 1 and 2, this clamping part comprises: U-shaped framework 10; From the inboard of U-shaped framework 10, be connected to the first spring card 20 and the second spring card 30, the first spring cards 20 and the second spring card 30 formation splayeds between its arch section and its straight line portion.Wherein the centre of the first spring card 20 is broken as the second segment 22 that the first paragraph 21 that is connected with the arch section of U-shaped framework 10 is connected with straight line portion with U-shaped framework 10, connect by insulcrete 23 between first paragraph 21 and second segment 22, namely insulate between first paragraph 21 and second segment 22.Through hole is offered in the junction of the arch section of U-shaped framework 10 and first paragraph 21, is inserted with the pressure-wire 40 with first paragraph 21 conductings in through hole, and the junction of the straight line portion of U-shaped framework 10 and second segment 22 is provided with the electric current line interface with second segment 22 conductings.In the present embodiment, for easy-to-connect, can be provided for connecting the connecting screw (not shown) of measure traverse line in the electric current line interface and for the attaching nut 50 of fixing described connecting screw.When this connecting screw is inserted electric current line interface and second segment 22 conductings, attaching nut 50 fixedly be wrapped in measure traverse line on connecting screw and with its conducting, measure thus the electric current of the second segment 22 of flowing through.
During use, insulating bar in known technology is socketed in to jointing clamp clamping part lower end by joint sleeve 60, by operator, on ground, hand-held insulating bar upwards is fastened on the outlet casing tube wire clamp of the equipment such as GIS, HGIS, PASS between first spring card 20 and the second spring card 30 of the utility model jointing clamp from the middle and lower part of the clamping part of the utility model jointing clamp, relies on the spring force of the first spring card 20 and the second spring card 30 closely to clamp the outlet casing tube wire clamp of the equipment such as GIS, HGIS, PASS.Specialized voltages on the outlet casing tube wire clamp of the equipment such as GIS, HGIS, PASS contacts respectively conducting with the electric current terminal block with second segment 22 with first paragraph 21, again by pressure-wire 40 be connected to electric current line on jointing clamp via attaching nut 50 and be connected on measuring equipment and can carry out easily loop resistance measurement (loop resistance measurement need to be used two jointing clamps of the present utility model, is clipped in respectively the two ends of tested electrical equipment) and withstand voltage test.
Preferably, insulcrete 23 can be connected with second segment 22 with first paragraph 21 by connecting screw 24 respectively, and in order to be connected firmly, the connecting screw 24 in the present embodiment has been used a plurality of.Certainly, can also connect by other known connected modes.
In addition, as depicted in figs. 1 and 2, insulating bar can be connected to the lower end that U-shaped framework 10 is connected with the straight line portion of the first spring card 20, more convenient operation.
In order to adapt to the operation needs of differing heights, insulating bar can be can be flexible three pair rod.
Use the jointing clamp for loop resistance measurement and withstand voltage test of the present utility model, operator is without ascend operation, jointing clamp can be fastened at the hand-held insulating bar in ground on the outlet casing tube wire clamp of the equipment such as GIS, HGIS, PASS and carry out loop resistance measurement and withstand voltage test, greatly strengthen operational security, reduce the workload of wiring and dismounting, can greatly increase work efficiency.
The above is preferred implementation of the present utility model; it should be noted that; for those skilled in the art; under the prerequisite that does not break away from the utility model principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.

Claims (5)

1. the jointing clamp for loop resistance measurement and withstand voltage test, comprise clamping part and the insulating bar that is connected to described clamping part lower end, it is characterized in that:
Described clamping part comprises: U-shaped framework; From the inboard of described U-shaped framework, be connected to the first spring card and the second spring card between its arch section and its straight line portion, described the first spring card and the second spring card form splayed,
The centre of wherein said the first spring card is broken as the first paragraph be connected with the arch section of described U-shaped framework and the second segment be connected with the straight line portion of described U-shaped framework, between described first paragraph and second segment, by insulcrete, connect, through hole is offered in the arch section of described U-shaped framework and the junction of described first paragraph
Be inserted with the pressure-wire with described first paragraph conducting in described through hole, the straight line portion of described U-shaped framework and the junction of described second segment are provided with the electric current line interface with described second segment conducting.
2. the jointing clamp for loop resistance measurement and withstand voltage test according to claim 1, is characterized in that, is provided for connecting the connecting screw of measure traverse line in described electric current line interface and for the nut of fixing described connecting screw.
3. the jointing clamp for loop resistance measurement and withstand voltage test according to claim 1, is characterized in that, described insulcrete is connected with second segment with described first paragraph by screw respectively.
4. the jointing clamp for loop resistance measurement and withstand voltage test according to claim 1, is characterized in that, described insulating bar is connected to the lower end that described U-shaped framework is connected with the straight line portion of described the first spring card.
5. the jointing clamp for loop resistance measurement and withstand voltage test according to claim 4, is characterized in that, described insulating bar be can be flexible three pair rod.
CN201320467850.3U 2013-08-01 2013-08-01 Wiring clamp for loop resistor measuring and overpressure resistant test Expired - Fee Related CN203385761U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201320467850.3U CN203385761U (en) 2013-08-01 2013-08-01 Wiring clamp for loop resistor measuring and overpressure resistant test

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201320467850.3U CN203385761U (en) 2013-08-01 2013-08-01 Wiring clamp for loop resistor measuring and overpressure resistant test

Publications (1)

Publication Number Publication Date
CN203385761U true CN203385761U (en) 2014-01-08

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104793025A (en) * 2015-04-21 2015-07-22 国家电网公司 Transformer high-altitude test clamp
CN105425190A (en) * 2015-12-10 2016-03-23 国网四川省电力公司电力科学研究院 Strut-type current transformer field test primary wiring apparatus
CN107800063A (en) * 2017-10-23 2018-03-13 国网辽宁省电力有限公司本溪供电公司 Portable transformer substation equipment snow breaker and power construction implementation
CN107887836A (en) * 2017-10-23 2018-04-06 国网辽宁省电力有限公司本溪供电公司 Tangent tower overhead-groundwire lifter and its aerial earth wire method for improving, power construction implementation
CN108054596A (en) * 2017-10-23 2018-05-18 国网辽宁省电力有限公司本溪供电公司 Cable is around, actinobacillus device and method, power construction implementation
CN108288777A (en) * 2017-10-23 2018-07-17 国网辽宁省电力有限公司本溪供电公司 66kV-220kV docks circlip type earthing wire clip and power construction implementation
CN109116120A (en) * 2018-10-10 2019-01-01 国网河南省电力公司济源供电公司 A kind of GIS loop resistance test device

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104793025A (en) * 2015-04-21 2015-07-22 国家电网公司 Transformer high-altitude test clamp
CN105425190A (en) * 2015-12-10 2016-03-23 国网四川省电力公司电力科学研究院 Strut-type current transformer field test primary wiring apparatus
CN107800063A (en) * 2017-10-23 2018-03-13 国网辽宁省电力有限公司本溪供电公司 Portable transformer substation equipment snow breaker and power construction implementation
CN107887836A (en) * 2017-10-23 2018-04-06 国网辽宁省电力有限公司本溪供电公司 Tangent tower overhead-groundwire lifter and its aerial earth wire method for improving, power construction implementation
CN108054596A (en) * 2017-10-23 2018-05-18 国网辽宁省电力有限公司本溪供电公司 Cable is around, actinobacillus device and method, power construction implementation
CN108288777A (en) * 2017-10-23 2018-07-17 国网辽宁省电力有限公司本溪供电公司 66kV-220kV docks circlip type earthing wire clip and power construction implementation
CN109116120A (en) * 2018-10-10 2019-01-01 国网河南省电力公司济源供电公司 A kind of GIS loop resistance test device

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C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20140108

Termination date: 20180801