CN103618158A - Grounding ring - Google Patents

Grounding ring Download PDF

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Publication number
CN103618158A
CN103618158A CN201310646503.1A CN201310646503A CN103618158A CN 103618158 A CN103618158 A CN 103618158A CN 201310646503 A CN201310646503 A CN 201310646503A CN 103618158 A CN103618158 A CN 103618158A
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CN
China
Prior art keywords
protective cover
ground
ground loop
section
insulating sleeve
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.)
Granted
Application number
CN201310646503.1A
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Chinese (zh)
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CN103618158B (en
Inventor
徐勇
高晓宁
胡俊
孙叶旭
邹婷婷
张蕾
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.)
Jiangsu Nanma Electric Co ltd
Suzhou Zhongxin Weiye New Technology Development Co ltd
Yangzhou Guangyuan Group Co ltd
Yangzhou Power Supply Branch Of State Grid Jiangsu Electric Power Co ltd
State Grid Corp of China SGCC
State Grid Jiangsu Electric Power Co Ltd
Yangzhou Power Supply Co of Jiangsu Electric Power Co
Original Assignee
JIANGSU NANMA ELECTRIC Co Ltd
State Grid Corp of China SGCC
State Grid Jiangsu Electric Power Co Ltd
Yangzhou Power Supply Co of Jiangsu Electric Power Co
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Publication date
Application filed by JIANGSU NANMA ELECTRIC Co Ltd, State Grid Corp of China SGCC, State Grid Jiangsu Electric Power Co Ltd, Yangzhou Power Supply Co of Jiangsu Electric Power Co filed Critical JIANGSU NANMA ELECTRIC Co Ltd
Priority to CN201510203318.4A priority Critical patent/CN104868262B/en
Priority to CN201310646503.1A priority patent/CN103618158B/en
Publication of CN103618158A publication Critical patent/CN103618158A/en
Application granted granted Critical
Publication of CN103618158B publication Critical patent/CN103618158B/en
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Abstract

The invention discloses a grounding ring and provides the grounding ring which is simple in structure, a bare metal part of the grounding ring is convenient to cover, and short circuit caused by moist branch lap joint is effectively avoided. The grounding ring comprises a grounding ring body which comprises a metal conductor and an insulation sheath, the insulation sheath is arranged on the metal conductor in a sleeved mode, and the bottom edge of the grounding ring body is bare and serves as a grounding part; the grounding ring further comprises a switch type protective mechanism which is arranged on the insulation sheath and used for covering or exposing the grounding part. The grounding ring is convenient to operate, wide in adaptability and high in reliability.

Description

A kind of ground loop
Technical field
The present invention relates to electric power overhaul instrument, relate in particular to a kind of all insulation ground loop.
Background technology
At present, in the circuit of urban distribution network, generally all adopt aerial insulated wire to lay, yet when maintenance circuit or equipment, in order to guarantee maintainer's safety, need to identify circuit and hang ground protection line after without electricity.This just requires when hanging earthing conductor, and earthing clamp must contact with electric wire reliably, and insulated wire can not be hung, so adopt electricity testing grounding ring.
Existing ground loop is not when being used, and its working position (metallic conductor) is outside exposed, and the one, when running into sleet and blow weather, easily cause moist branch to be overlapped on working position, cause short circuit, the normal operation of impact power supply, causes the inconvenience of civilian electricity and commercial power.The 2nd, even if at normal weather, the surface often occurring now has ribbon (fireworks residue), the kite (line) of metallic conduction material and the foreign material that fly away with the wind also likely touch the exposed position of ground loop, causes line tripping.
The publication No. that State Intellectual Property Office announces in 2013.01.16 is CN102882026A, name is called " with integrated insulator and the earthing clamp of renovating isolation safety cover ", its junction by earthing clamp and power line is enclosed in the safety guard of an insulation, and utilize and renovate the connecting ring that covers earthing clamp, avoid extraneous sleet to corrode for a long time junction and connecting ring, guaranteed the operation of power circuit long-term safety; Also effectively stopped the possibility of exposed junction electric leakage.
This case covers ground loop is whole, increases production cost; Meanwhile, this case insulator is connected with earthing clamp, and therefore, only on the basis of safety guard, just convenient connection renovates, and do not possess versatility, bad adaptability; In prior art, ground loop works independently, and renovating in this case installed in inconvenience additional; Even if install additional, ground loop vertically arranges, and causes operation inconvenience, does not reach the result of use of expection, and poor reliability, has increased cost of labor.
Summary of the invention
The present invention is directed to above problem, a kind of features simple structure is provided, the convenient ground loop bare metal part that covers, effectively avoids moist branch overlap joint to cause the ground loop of short circuit.
Technical scheme of the present invention is: comprise ground loop body, described ground loop body comprises metallic conductor and insulating sleeve, and described insulating sleeve is set on described metallic conductor, and the base of described ground loop body is exposed, be ground section; Also comprise switching mode protection mechanism, described switching mode protection mechanism is located on described insulating sleeve, for covering or exposes described ground section.
Described switching mode protection mechanism comprises pipe box and protective cover, and described pipe box is set on the insulating sleeve that described ground section is adjacent, and described protective cover is hinged on described pipe box towards one end of described ground section.
Described switching mode protection mechanism comprises protective cover and is located at the lug on the insulating sleeve of the adjacent side of described ground section, and described protective cover is hinged on described lug.
The body of described protective cover takes the shape of the letter U, and both sides, the top peristoma of described protective cover is respectively equipped with the flexible rib being oppositely arranged, for described ground section is enclosed in described protective cover.
Described flexible rib in the form of sheets.
Described flexible rib is curved on cross section.
Described flexible rib is inverted T-shaped on cross section.
The bottom of described flexible rib is located at the inner side on described protective cover top.
Described protective cover bottom is provided with draw ring.
The present invention has increased switching mode protection mechanism at the ground section of dead ring, be convenient to dead ring ground section under working condition, not covering, the phenomenon of having avoided causing in weather branch overlap joint, foreign matter contacts etc. such as blowing and rainings line short, has guaranteed the normal operation of circuit.Switching mode protection mechanism is hinged by protective cover, complete covering ground section, simple; On the top of protective cover, flexible rib is set, realizes fully closed environment, improve reliability and useful life.When operation, operating personnel can adopt insulating rod to leave behind, push to the operation of draw ring on the ground, without pole-climbing, disassemble, simple to operate.
The present invention is easy to operate, wide adaptability, and reliability is high.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention,
Fig. 2 is the structural representation of execution mode one in the present invention,
Fig. 3 is the structural representation of execution mode two in the present invention,
Fig. 4 is the cutaway view one of A-A face in Fig. 1,
Fig. 5 is the cutaway view two of A-A face in Fig. 1,
Fig. 6 is the cutaway view three of A-A face in Fig. 1,
Fig. 7 is the structural representation of protective cover in the present invention,
Fig. 8 is the perspective view of protective cover in the present invention,
Fig. 9 is working state figure of the present invention;
In figure, 1 is metallic conductor, the 2nd, and insulating sleeve, the 3rd, protective cover, the 30th, draw ring, the 4th, pipe box, the 5th, lug, the 6th, body, the 7th, ground section, the 8th, flexible rib.
Embodiment
The present invention, as shown in Fig. 1-9, comprises ground loop body, and described ground loop body comprises metallic conductor 1 and insulating sleeve 2, and described insulating sleeve 2 is set on described metallic conductor 1, and the base of described ground loop body is exposed, be ground section 7; Also comprise switching mode protection mechanism, described switching mode protection mechanism is located on described insulating sleeve 2, for covering or exposes described ground section 7.Switching mode protection mechanism is set on ground loop body, can meets the demand of ground loop different operating environment, wide adaptability, reliability are high.
As shown in Figure 2, the first execution mode of the present invention, described switching mode protection mechanism comprises pipe box 4 and protective cover 3, and described pipe box 4 is set on the insulating sleeve 2 that described ground section 7 is adjacent, and described protective cover 3 is hinged on described pipe box 4 towards one end of described ground section 7.
Described pipe box 4 for hollow sleeve, be set on the insulating sleeve 2 of the adjacent side of described ground section 7, the bottom of described pipe box 4 is provided with lug, described protective cover is hinged on lug, and the ground section on ground loop body base is covered.Pipe box 4 at work, removably connects, and is convenient to mounting or dismounting, changes.
As shown in Figure 3, the second execution mode of the present invention, described switching mode protection mechanism comprises protective cover 3 and is located at the lug on the insulating sleeve 2 of the adjacent side of described ground section, described protective cover 3 is hinged on described lug 5.Lug 5 and insulating sleeve 2 are connected as a single entity, are convenient to processing, saved production cost.
As Figure 7-8, the body 6 of described protective cover takes the shape of the letter U, and both sides, the top peristoma of described protective cover 3 is respectively equipped with the flexible rib 8 being oppositely arranged, for described ground section 7 is enclosed in described protective cover 3.Flexible rib 8 is set, is convenient to processing and operation, the location that achieves a butt joint totally-enclosed.
Described flexible rib 8 in the form of sheets.
As shown in Figure 4, described flexible rib 8 is curved on cross section, is convenient to production and processing.
As shown in Figure 5, described flexible rib 8 is the arc that inverted T-shaped and upper and lower limit are inside setting on cross section, the guiding of the location opening and closing movement of being convenient to achieve a butt joint.
As shown in Figure 6, the bottom of described flexible rib 8 is located at the inner side on described protective cover top.
In work, flexible rib is inverted T-shaped, has realized when ground section is sealed, and the active force that flexible rib can be subject to opening to both sides, has avoided flexible rib to bring into and be squeezed in U-shaped body; Metallic conductor enters after U-shaped body, and flexible rib can seal by Fast Restoration.
The bottom of flexible rib 8 is located at the inner side on described protective cover top, has further improved the reliability of flexible rib work, convenient recovery.
Described protective cover 3 bottoms are provided with draw ring 30, are convenient to staff and carry out folding at ground direct control, have saved operating time and cost.
As shown in Figure 9, operating state of the present invention is: ground loop bottom ground connection, connects wires in top.
Ground loop in the present invention keeps all insulation state when circuit normally moves, and when line maintenance, can provide reliable ground section for circuit.Ground loop adopts macromolecule memory insulating material, and not fragile and distortion, can reuse; Improved the level of insulated circuit safe and reliable operation.

Claims (9)

1. a ground loop, comprises ground loop body, and described ground loop body comprises metallic conductor and insulating sleeve, and described insulating sleeve is set on described metallic conductor, and the base of described ground loop body is exposed, be ground section; It is characterized in that, also comprise switching mode protection mechanism, described switching mode protection mechanism is located on described insulating sleeve, for covering or exposes described ground section.
2. a kind of ground loop according to claim 1, it is characterized in that, described switching mode protection mechanism comprises pipe box and protective cover, and described pipe box is set on the insulating sleeve that described ground section is adjacent, and described protective cover is hinged on described pipe box towards one end of described ground section.
3. a kind of ground loop according to claim 1, is characterized in that, described switching mode protection mechanism comprises protective cover and be located at the lug on the insulating sleeve of the adjacent side of described ground section, and described protective cover is hinged on described lug.
4. according to a kind of ground loop described in claim 2 or 3, it is characterized in that, the body of described protective cover takes the shape of the letter U, and both sides, the top peristoma of described protective cover is respectively equipped with the flexible rib being oppositely arranged, for described ground section is enclosed in described protective cover.
5. a kind of ground loop according to claim 4, is characterized in that, described flexible rib in the form of sheets.
6. a kind of ground loop according to claim 4, is characterized in that, described flexible rib is curved on cross section.
7. a kind of ground loop according to claim 4, is characterized in that, described flexible rib is inverted T-shaped on cross section.
8. according to arbitrary described a kind of ground loop in claim 5-7, it is characterized in that, the bottom of described flexible rib is located at the inner side on described protective cover top.
9. according to a kind of ground loop described in claim 2 or 3, it is characterized in that, described protective cover bottom is provided with draw ring.
CN201310646503.1A 2013-12-04 2013-12-04 Grounding ring Active CN103618158B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN201510203318.4A CN104868262B (en) 2013-12-04 2013-12-04 Ground loop
CN201310646503.1A CN103618158B (en) 2013-12-04 2013-12-04 Grounding ring

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201310646503.1A CN103618158B (en) 2013-12-04 2013-12-04 Grounding ring

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CN103618158B CN103618158B (en) 2015-07-01

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104810634A (en) * 2015-04-23 2015-07-29 浙江永裕金具有限公司 All-insulation piercing earthing device and application thereof
CN106299761A (en) * 2016-10-12 2017-01-04 广东粤创电力科技有限公司 A kind of safety operation is anti-returns electric installation
CN107425305A (en) * 2017-09-11 2017-12-01 广东粤创电力科技有限公司 It is anti-to return electric installation
CN107887716A (en) * 2017-09-28 2018-04-06 国网山东省电力公司青岛供电公司 A kind of ground loop
CN109066113A (en) * 2018-07-19 2018-12-21 华翔翔能电气股份有限公司 A kind of substation's enclosed busbar bridge ground loop

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109119774A (en) * 2018-08-31 2019-01-01 国网北京市电力公司 It is grounded ring assemblies

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2539325Y (en) * 2002-04-06 2003-03-05 孙家建 Multifunctional insulation wire clamp
CN201113348Y (en) * 2007-10-24 2008-09-10 章光龙 Strain insulating grounding lightning protecting cable clamp apparatus
CN201518406U (en) * 2009-10-26 2010-06-30 固力发集团有限公司 Lightning protection grounding wire clip for overhead conductor wire
CN202585767U (en) * 2012-05-21 2012-12-05 固力发集团有限公司 Transitional ground ring made of copper and aluminum
CN203277684U (en) * 2013-05-27 2013-11-06 凤凰科技集团有限公司 Lightning protection piercing grounding wire clamp

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202026030U (en) * 2011-04-29 2011-11-02 姜迅 High-voltage electricity detection grounding ring device at platform area

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2539325Y (en) * 2002-04-06 2003-03-05 孙家建 Multifunctional insulation wire clamp
CN201113348Y (en) * 2007-10-24 2008-09-10 章光龙 Strain insulating grounding lightning protecting cable clamp apparatus
CN201518406U (en) * 2009-10-26 2010-06-30 固力发集团有限公司 Lightning protection grounding wire clip for overhead conductor wire
CN202585767U (en) * 2012-05-21 2012-12-05 固力发集团有限公司 Transitional ground ring made of copper and aluminum
CN203277684U (en) * 2013-05-27 2013-11-06 凤凰科技集团有限公司 Lightning protection piercing grounding wire clamp

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104810634A (en) * 2015-04-23 2015-07-29 浙江永裕金具有限公司 All-insulation piercing earthing device and application thereof
CN106299761A (en) * 2016-10-12 2017-01-04 广东粤创电力科技有限公司 A kind of safety operation is anti-returns electric installation
CN107425305A (en) * 2017-09-11 2017-12-01 广东粤创电力科技有限公司 It is anti-to return electric installation
CN107425305B (en) * 2017-09-11 2024-04-16 广东粤创电力科技有限公司 Anti-return electric device
CN107887716A (en) * 2017-09-28 2018-04-06 国网山东省电力公司青岛供电公司 A kind of ground loop
CN109066113A (en) * 2018-07-19 2018-12-21 华翔翔能电气股份有限公司 A kind of substation's enclosed busbar bridge ground loop

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Publication number Publication date
CN104868262B (en) 2017-05-31
CN103618158B (en) 2015-07-01
CN104868262A (en) 2015-08-26

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