CN2726143Y - Special high-voltage grounding rod - Google Patents
Special high-voltage grounding rod Download PDFInfo
- Publication number
- CN2726143Y CN2726143Y CN 200420078561 CN200420078561U CN2726143Y CN 2726143 Y CN2726143 Y CN 2726143Y CN 200420078561 CN200420078561 CN 200420078561 CN 200420078561 U CN200420078561 U CN 200420078561U CN 2726143 Y CN2726143 Y CN 2726143Y
- Authority
- CN
- China
- Prior art keywords
- rod
- defected
- mobile jib
- eave tile
- kelly
- 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
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Abstract
The utility model relates to a special high-voltage grounding rod used for grounding when a supply line is power off and needs to be repaired. The utility model is characterized in that a time-delay thread-feeding device is arranged at the end of an eave tile opening based on the high-voltage grounding rod, a fall-off apparatus is arranged in the cavity of the rod, the rod is designed into a main rod part and a fall-off rod part. While in use, the fall-off apparatus is in action when a live line doesn't hook the circuitry. The fall-off rod part is ejected to leave the main rod and the time-delay thread-feeding device connected with the fall-off rod part hightails the live line with the fall-off rod part. The utility model can avoid the accident that operating people are burned by an arc and tripping operation caused by the circuitry single phase earthing, etc. The utility model has high safety and practicability and solves the technological problem that a supply of power branch is urgent to solve for many years. The technical project is applicable to the circuitry whose voltage is under 110KV.
Description
Technical field
The utility model relates to the high voltage supply circuit is used as line-to-ground when safeguarding a kind of extraordinary high-voltage earthing rod.
Background technology
When supply line safeguards, be the person and the handling safety of guaranteeing the attendant, this circuit should be cut off power supply, and adopt the high-voltage earthing rod with this line-to-ground short circuit, but when practical operation, tend to occur operating personnel and think that this circuit cuts off the power supply in accordance with regulations, so with high-voltage earthing rod shorted to earth, further guarantee safety, the result because of various reasons, the circuit reality of this outage is not cut off the power supply, after the hand-held high-voltage earthing rod of the operating personnel contact high voltage source, easily by flash burn, the tripping operation accident appears in circuit.Existing high-voltage earthing rod is made up of fixing eave tile of insulating rod one end and the earth connection that connects eave tile, and is simple in structure, can't whether electric and the generation of avoiding relevant accident be arranged identification circuit.
Summary of the invention
The purpose of this utility model is at existing high-voltage earthing rod above shortcomings, and a kind of extraordinary high-voltage earthing rod that can hightail the live wire road when in supply line electricity being arranged, guarantee operator safety is provided.
The purpose of this utility model is achieved through the following technical solutions, a kind of extraordinary high-voltage earthing rod, comprise insulating rod, the fixing eave tile of insulating rod one end, the earth connection that is connected with eave tile, the incoming line place that it is characterized in that eave tile is provided with the time-delay line leading device, insulating rod is made of the mobile jib of insulation and the defected rod of connected insulation, in the axial cavity of defected rod with in the localized axial cavity of mobile jib dropping device is set, the lateral surface of eave tile is provided with plain conductor and is connected with dropping device in the defected rod;
The time-delay line leading device by the support, support one end that connect with defected rod fixing with the homoaxial secondary earth brace of defected rod, be nested with the time-delay piece on secondary earth brace, the push rod that is with spring that time-delay piece one end downside touches constitutes, support is passed in the lower end of push rod, and the time-delay piece that the push rod upper end is touched touches the eave tile open end;
The kelly that is with spring that leverage, the leverage that the current-limiting resistance that dropping device is connected by fusible link, fusible link one end, the current-limiting resistance other end connect touches constitutes, one end of fusible link is connected through the bolt of lead with the defected rod end, and join with the outer plain conductor of eave tile, the spring most of and that be nested with of kelly places in the cavity of mobile jib;
Leverage is made of the spring that bumps axial stem one side in pearl, the T type lever that the T type lever of pin joint on lever dolly, the lever dolly, T type lever level touch to the fixing axial pin of bar one end and pin lower end, level is connected with current-limiting resistance to the other end of bar, and the concave arc groove that bumps pearl and kelly close end bumps and connects;
The insulation mobile jib is spun by leading portion portion and back segment portion and constitutes, insert the kelly that is with spring in the cavity of leading portion portion and back segment portion mobile jib, the leading section of kelly is filled in the centre bore of defected rod afterbody, insert the spring of kelly leading section in the center bore of leading portion portion mobile jib, insulation mobile jib leading portion portion is corresponding concavo-convex contact-making surface with insulation defected rod faying face;
The insulation defected rod is made of the leading portion defected rod and the back segment defected rod of channels and activating collaterals joint, in the back segment defected rod cavity leverage is set, and in the leading portion defected rod cavity fusible link and current-limiting resistance is set;
Insulation mobile jib leading portion portion intrinsic clip, clip is connected through earth connection with eave tile on being fixed on defected rod.
The utility model is by being provided with the time-delay line leading device at existing high-voltage earthing rod eave tile openend, barred body is designed to mobile jib and tear-away bar, in the axial cavity of defected rod and mobile jib dropping device is set, during practical operation, secondary earth brace and eave tile lateral surface in the time-delay line leading device at first touch the circuit of maintenance, if circuit has been implemented outage, under operating personnel's operation, line conductor presses down the time-delay piece, and enter in the eave tile through the spacing that the time-delay piece presses down back and eave tile open end formation, finish safety ground; If circuit fails to implement in accordance with regulations outage, secondary earth brace disconnects with the current fusing silk of eave tile lateral surface in contacting live wire road moment dropping device, the leverage that loses pulling force is under the tension force effect of spring, to lopsidedness, the crash pressure of pearl of pin, bump the pressure disappearance of pearl to kelly, defected rod is launched under the effect of mobile jib leading portion spring tension and is broken away from the mobile jib leading portion, thereby the circuit that makes defected rod and connected time-delay earthing device speed away and touch, guarantee operating personnel's safety, owing to be provided with current-limiting resistance, immediate current reduces greatly, avoided operating personnel by flash burn and circuit single-phase earthing tripping operation accident, and can escape the induced voltage of circuit, with the normal hanging earthing conductor of the circuit of bridge line.The existing earth rod of the utility model has improved fail safe and applicability widely, has solved the technical barrier that power supply department is urgently wished solution for many years, and the technical program is applicable to the following circuit of 110KV.
Description of drawings
Accompanying drawing 1 is the utility model structural representation;
Embodiment
Further specify the utility model with the enforcement side in conjunction with the accompanying drawings, the utility model is by insulating rod, eave tile 4, time-delay mechanism, dropping device constitutes, insulating rod is made of defected rod and mobile jib, defected rod comprises that defected rod leading portion 6 is connected with defected rod back segment 18 channels and activating collaterals joints, mobile jib leading portion 19 spins with mobile jib back segment 20, defected rod back segment 18 is corresponding male and fomale(M﹠F) with the junction of mobile jib leading portion 19, and the kelly in dropping device 10 connects, dropping device is by fusible link 7, current-limiting resistance 8, leverage 9, leverage 9 touches is with spring 12,13 kelly 10 is formed, fusible link 7 one ends are with in current-limiting resistance 8 is connected the axial cavity that is placed on defected rod leading portion 6, the other end of fusible link 7 connects solid on the connecting bolt of defected rod leading portion 6 ends through lead, one end of current-limiting resistance 8 is connected with leverage 9, leverage 9 is by lever dolly, the T type lever of pin joint on lever dolly, level connects solid axial pin to bar one end in the T type lever, the pin lower end is touched bumps pearl, the spring 11 of axial stem one side constitutes in the T type lever, and level is connected with current-limiting resistance 8 to the other end of bar; The major part of kelly 10 is with spring 11,12, and place in the cavity of mobile jib leading portion 19 and mobile jib back segment 20, one week of front end of kelly 10 is provided with the concave arc groove, and the centre bore that inserts defected rod back segment 8 afterbodys is interior by bumping the pearl location, plays connection and the effect that separates defected rod and mobile jib; Time-delay mechanism is made of support 3, secondary earth brace 1, time-delay piece 2, the push rod 16 that is with spring 17, one side of support 3 is fixed on the defected rod leading portion 6 of eave tile 4 openend bottoms, fixing and the homoaxial secondary earth brace 1 of defected rod of the opposite side of support 3, one end of time-delay piece 2 is nested with on secondary earth brace 1, and the push rod 16 of the other end through passing support 3 and being with spring 17 push up mutually and the plain conductor 5 of eave tile 4 lateral surfaces touches; Mobile jib leading portion 19 peripheral fixing hoops 14, clip 14 is connected with eave tile 4 through earth connection, and its effect is still can be connected by earth connection after separating when defected rod and mobile jib come off, and avoids from aerial degeneration.
Claims (7)
1, a kind of extraordinary high-voltage earthing rod, comprise insulating rod, the fixing eave tile of insulating rod one end, the earth connection that is connected with eave tile, the incoming line place that it is characterized in that eave tile is provided with the time-delay line leading device, insulating rod is made of the mobile jib and the connected defected rod of insulation, in the axial cavity of defected rod with in the localized axial cavity of mobile jib dropping device is set, the lateral surface of eave tile is provided with plain conductor and is connected with dropping device in the defected rod.
2, extraordinary high-voltage earthing rod according to claim 1, it is characterized in that delaying time line leading device and defected rod connect solid support, support one end fixing with the homoaxial secondary earth brace of defected rod, be nested with the time-delay piece on secondary earth brace, the push rod that is with spring that time-delay piece one end downside touches constitutes, support is passed in the lower end of push rod, and the time-delay piece that the push rod upper end is touched touches the eave tile open end.
3, extraordinary high-voltage earthing rod according to claim 1, it is characterized in that the current-limiting resistance that dropping device is connected by fusible link, fusible link one end, the kelly that is with spring that leverage, the leverage that the current-limiting resistance other end connects touches constitutes, one end of fusible link is connected through the bolt of lead with the defected rod end, and join with the outer plain conductor of eave tile, the spring most of and that be nested with of kelly places in the cavity of mobile jib.
4, extraordinary high-voltage earthing rod according to claim 3, it is characterized in that leverage is made of the spring that bumps axial stem one side in pearl, the T type lever that the T type lever of pin joint on lever dolly, the lever dolly, T type lever level touch to the fixing axial pin of bar one end and pin lower end, level is connected with current-limiting resistance to the other end of bar, and the concave arc groove that bumps pearl and kelly close end bumps and connects.
5,1 described extraordinary high-voltage earthing rod as requested, the mobile jib that it is characterized in that insulating is spun by leading portion portion and back segment portion and constitutes, insert the kelly that is with spring in the cavity of leading portion portion and back segment portion mobile jib, the leading section of kelly is filled in the centre bore of defected rod afterbody, insert the spring of kelly leading section in the center bore of leading portion portion mobile jib, insulation mobile jib leading portion portion is corresponding concavo-convex contact-making surface with insulation defected rod faying face.
6, extraordinary high-voltage earthing rod according to claim 1, the defected rod that it is characterized in that insulating is made of leading portion defected rod and the back segment defected rod that the channels and activating collaterals joint connects, in the back segment defected rod cavity leverage is set, in the leading portion defected rod cavity fusible link and current-limiting resistance is set.
7, extraordinary high-voltage earthing rod according to claim 1, the intrinsic clip of mobile jib leading portion portion that it is characterized in that insulating, clip is connected through earth connection with eave tile on being fixed on defected rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420078561 CN2726143Y (en) | 2004-08-05 | 2004-08-05 | Special high-voltage grounding rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420078561 CN2726143Y (en) | 2004-08-05 | 2004-08-05 | Special high-voltage grounding rod |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2726143Y true CN2726143Y (en) | 2005-09-14 |
Family
ID=35040847
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420078561 Expired - Fee Related CN2726143Y (en) | 2004-08-05 | 2004-08-05 | Special high-voltage grounding rod |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2726143Y (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102593623A (en) * | 2012-02-28 | 2012-07-18 | 广西电网公司电力科学研究院 | L-shaped baffle block type lead end grounding clamp |
| 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 |
| CN102645561A (en) * | 2012-04-19 | 2012-08-22 | 辽宁省电力有限公司铁岭供电公司 | Wiring clip for electric test of lightning arrester |
| CN103633459A (en) * | 2013-12-09 | 2014-03-12 | 广西大学 | Safety high-voltage discharge rod of push-pull linkage mechanism type |
| CN104241889A (en) * | 2014-09-02 | 2014-12-24 | 中国南方电网有限责任公司超高压输电公司曲靖局 | Locking type wire grounding wire clip |
| CN104409881A (en) * | 2013-11-28 | 2015-03-11 | 国家电网公司 | Special-purpose grounding wire clamp for drainage aluminum pipe of DC 800kV strain tower |
| CN105186145A (en) * | 2015-08-24 | 2015-12-23 | 广西大学 | Portable grounding device for hot-line work |
| CN106058511A (en) * | 2016-07-30 | 2016-10-26 | 国家电网公司 | Novel special grounding line for bus-bars |
| CN107386972A (en) * | 2017-08-21 | 2017-11-24 | 福建亿钻机械有限公司 | It is a kind of can protection against electric shock horizontal directional drilling machine and horizontal orientation get into the cave method |
| CN108767715A (en) * | 2018-04-28 | 2018-11-06 | 国网山东省电力公司烟台供电公司 | A kind of transformer substation grounding wire intelligent error preventing operates active management control system and control method |
| CN110108944A (en) * | 2019-06-04 | 2019-08-09 | 云南电网有限责任公司德宏供电局 | A kind of line insulation test grounding wire device and its line insulation test method |
-
2004
- 2004-08-05 CN CN 200420078561 patent/CN2726143Y/en not_active Expired - Fee Related
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102593623B (en) * | 2012-02-28 | 2014-07-02 | 广西电网公司电力科学研究院 | L-shaped baffle block type lead end grounding clamp |
| CN102593623A (en) * | 2012-02-28 | 2012-07-18 | 广西电网公司电力科学研究院 | L-shaped baffle block type lead end grounding clamp |
| 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 |
| CN102645561A (en) * | 2012-04-19 | 2012-08-22 | 辽宁省电力有限公司铁岭供电公司 | Wiring clip for electric test of lightning arrester |
| CN104409881B (en) * | 2013-11-28 | 2016-11-02 | 国家电网公司 | Earthing clamp |
| CN104409881A (en) * | 2013-11-28 | 2015-03-11 | 国家电网公司 | Special-purpose grounding wire clamp for drainage aluminum pipe of DC 800kV strain tower |
| CN103633459A (en) * | 2013-12-09 | 2014-03-12 | 广西大学 | Safety high-voltage discharge rod of push-pull linkage mechanism type |
| CN104241889A (en) * | 2014-09-02 | 2014-12-24 | 中国南方电网有限责任公司超高压输电公司曲靖局 | Locking type wire grounding wire clip |
| CN105186145A (en) * | 2015-08-24 | 2015-12-23 | 广西大学 | Portable grounding device for hot-line work |
| CN105186145B (en) * | 2015-08-24 | 2017-11-28 | 广西大学 | The portable earthing or grounding means of livewire work |
| CN106058511A (en) * | 2016-07-30 | 2016-10-26 | 国家电网公司 | Novel special grounding line for bus-bars |
| CN106058511B (en) * | 2016-07-30 | 2018-03-13 | 国家电网公司 | A kind of busbar Special grounding wire |
| CN107386972A (en) * | 2017-08-21 | 2017-11-24 | 福建亿钻机械有限公司 | It is a kind of can protection against electric shock horizontal directional drilling machine and horizontal orientation get into the cave method |
| CN108767715A (en) * | 2018-04-28 | 2018-11-06 | 国网山东省电力公司烟台供电公司 | A kind of transformer substation grounding wire intelligent error preventing operates active management control system and control method |
| CN110108944A (en) * | 2019-06-04 | 2019-08-09 | 云南电网有限责任公司德宏供电局 | A kind of line insulation test grounding wire device and its line insulation test method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |