CN104158049B - A kind of earthing clamp device and operational method thereof - Google Patents
A kind of earthing clamp device and operational method thereof Download PDFInfo
- Publication number
- CN104158049B CN104158049B CN201410343063.7A CN201410343063A CN104158049B CN 104158049 B CN104158049 B CN 104158049B CN 201410343063 A CN201410343063 A CN 201410343063A CN 104158049 B CN104158049 B CN 104158049B
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- Prior art keywords
- clamp
- action bars
- earthing clamp
- earthing
- hook
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- 238000000034 method Methods 0.000 title claims abstract description 18
- 230000005540 biological transmission Effects 0.000 claims abstract description 34
- 230000004888 barrier function Effects 0.000 claims abstract description 33
- 230000005611 electricity Effects 0.000 claims abstract description 13
- 238000012795 verification Methods 0.000 claims description 17
- 239000002184 metal Substances 0.000 claims description 15
- 229910052751 metal Inorganic materials 0.000 claims description 15
- 230000006698 induction Effects 0.000 claims description 10
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 5
- 229910002804 graphite Inorganic materials 0.000 claims description 5
- 239000010439 graphite Substances 0.000 claims description 5
- 238000012423 maintenance Methods 0.000 claims description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 230000001276 controlling effect Effects 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000006735 deficit Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012913 prioritisation Methods 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R11/00—Individual connecting elements providing two or more spaced connecting locations for conductive members which are, or may be, thereby interconnected, e.g. end pieces for wires or cables supported by the wire or cable and having means for facilitating electrical connection to some other wire, terminal, or conductive member, blocks of binding posts
- H01R11/11—End pieces or tapping pieces for wires, supported by the wire and for facilitating electrical connection to some other wire, terminal or conductive member
- H01R11/22—End pieces terminating in a spring clip
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
- H01R43/027—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for connecting conductors by clips
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G1/00—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines
- H02G1/02—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for overhead lines or cables
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Electric Cable Installation (AREA)
Abstract
The invention discloses a kind of earthing clamp device, by arranging the stay cord connecting two wire clamp clamps in the rear end of wire clip body, and lead to and be connected to the internal action bars for reverse taper cavity structure barrier part and top has the action bars of hook and realizes smoothly being held on power transmission line earthing clamp, whole process avoids the hard collision of wire clamp and power transmission line, and when line taking is pressed from both sides, by taking off wire clamp after opening wire clamp again, it is to avoid traditional method adopts bracing wire to pull and causes power transmission line scuffing or stock market-circumstance condition generation of breaking.Its operational method, simple, convenient, the mounting of whole earthing clamp is steady, controlled with removal process, has effectively ensured the safety of transmission line of electricity.
Description
Technical field
The present invention relates to electric grounding wire clamping device technical field, particularly relate to a kind of earthing clamp device being prevented effectively from damage power transmission cable and operational method thereof.
Background technology
When transmission line of electricity power cut construction operation, first having to maintenance circuit is taken safety measures, groundwork is by electrical verification and hanging earthing conductor, at present the earth lead of mounting on shaft tower, main employing touching formula spring dropout earthing clamp, ties up to earthing clamp afterbody with a thin insulation ropes.Staff opens wire clamp in advance, winched to above wire with afterbody insulation ropes, then, loosen downwards insulating cord, make earthing clamp under self and the annealed copper wire action of gravity that is attached thereto, fall rapidly, after conductive contact, the touching formula support chip of earthing clamp is threaded off, the opening Guan Bi of earthing clamp, it is clipped on wire, completes whole installation process.Because wire and cross-arm are at a distance of 2-3 rice, earthing clamp side is connected with annealed copper wire (center of gravity can offset), and under the impact of natural wind, earthing clamp can not be always maintained at vertical downward direction, so installation difficulty is big, affects work efficiency.It addition, when this kind of earthing clamp is installed, it is necessary to by touching power transmission line of threading off, when taking off, adopt and pull bracing wire or earth lead to be left behind from power transmission line by wire clamp, often wire is caused cut equivalent damage.
Patent of invention as authorized disclosed application number to be 201120560411.8 on October 3rd, 2012 discloses a kind of self-locking wire end earthing clamp, and a kind of auxiliary device for installation of grounding wire of providing of patent application that the publication number authorized on January 15th, 2014 is CN203398349U all exists drawbacks described above.
Summary of the invention
It is an object of the invention to provide a kind of earthing clamp device, by adopting this earthing clamp device, be prevented effectively from and installing and taking off the generation causing power transmission line degree of impairment in process.
It is a further object to provide a kind of method adopting above-mentioned earthing clamp device to carry out operation.
A kind of earthing clamp device is the technical scheme is that by realizing the purpose of the present invention, including wire clip body and operating mechanism, described wire clip body includes the wire clamp clamp hinged by rotating shaft and brute spring, described wire clamp clamp front portion is provided with the groove for clamping power transmission line, described wire clamp clamp tail end is provided with the stay cord being connected between clamp, described operating mechanism includes two insulating bars, wherein an action bars top is provided with hook structure, another root action bars top has metal screw, and described metal screw is provided with inside there is the barrier part of reverse taper cavity structure, described barrier part side is provided with bolt hole, described barrier part is connected with described metal screw by bolt hole.
It is provided with graphite linings in the groove of described wire clamp clamp.
The afterbody of described wire clamp clamp arranges the ramp structure matched with described reverse taper cavity structure.
Described action bars lower end is connected to insulated lengthened bar, and described insulated lengthened bar one end is screw-rod structure, and the other end is bolt hole structure.
The hook structure on described action bars top is the groove structure being opened in action bars tip-end-side.
The operational method of a kind of above-mentioned earthing clamp device, comprises the following steps:
1) the far and near situation of operating personnel's distance power transmission line time according to concrete operation, and the length of action bars and extension bar, prepare the insulated lengthened bar of varying number, staff arrives the cross-arm place at Awaiting Overhaul transmission line of electricity place on shaft tower, by transmitting rope, earthing clamp device and electrical verification induction apparatus are transferred to operation cross-arm place, cross-arm operating personnel's assembly operation bar and extension bar, end is first adopted to have the insulating bar of metal screw, its metal screw connects electrical verification induction apparatus, Awaiting Overhaul transmission line of electricity is carried out electrical verification, it is ensured that circuit no-voltage；
2) after electrical verification completes, take off electrical verification induction apparatus and install the barrier part of earthing clamp device, take another end there is the insulating bar of hook to penetrate from the osculum end of barrier part, and pass from big opening end, make the hooking slits on action bars upward, the stay cord of earthing clamp is placed in hook, pull the action bars with hook, earthing clamp is made to enter in the reverse taper cavity within barrier part, it is to avoid earthing clamp comes off；
3) stable by controlling two action bars maintenance earthing clamps, and earthing clamp is delivered to transmission pressure place, the action bars being connected with barrier part is kept to stablize and exert oneself to pull the action bars with hook again, earthing clamp is opened, and wire is placed in the groove of earthing clamp, slowly unclamp the action bars with hook again, earthing clamp is made steadily to close, namely the secure connection of wire clamp and transmission line of electricity it is grounded, the action bars with hook forward extends out barrier part, make stay cord depart from hook, action bars and cylinder can be regained in the lump；
4) after upkeep operation completes, removal earthing clamp, action bars and cylinder adopt such as step 2) mounting means be connected, the action bars with hook forward extends out barrier part, by hooking the stay cord on earthing clamp, keep the action bars being connected with barrier part stablize and exert oneself to pull back the action bars with hook, earthing clamp can be opened, it is achieved the removal of earthing clamp.
The present invention connects the stay cord of two wire clamp clamps in the rear end of wire clip body by arranging, by arranging reverse taper cavity structure at an insulating bar top, during use, wire clip body is placed in cavity structure, another top has the insulating bar of hook structure and penetrates inside reverse taper cavity structure from the bottom of barrier part, hook is utilized to hook stay cord, by pulling stay cord to be opened by wire clamp, the folding of wire clamp is realized by controlling action bars, thus realizing smoothly being held on power transmission line earthing clamp, whole process avoids the hard collision of wire clamp and power transmission line, and when line taking is pressed from both sides, by taking off wire clamp after opening wire clamp again, avoiding traditional method to adopt bracing wire to pull causes power transmission line to scratch or stock market-circumstance condition generation of breaking.As prioritization scheme; by arranging graphite linings in the groove of clamp, inlaying simply, graphite is soft due to quality; can effectively protect the safety of power transmission line; and graphitic conductive is good, the good contact of wire clamp and power transmission line can be effectively improved, improve the conductivity of earth lead; the earthing clamp device operational method of the present invention; simply, conveniently, the mounting of whole earthing clamp is steady, controlled with removal process, has effectively ensured the safety of transmission line of electricity.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the present invention is described further:
Fig. 1 is structural representation during wire clamp of the present invention Guan Bi；
Fig. 2 is the wire clamp of the present invention structural representation when opening；
Fig. 3 is the structural representation of action bars of the present invention hook.
Detailed description of the invention
As shown in Figure 1, Figure 2, Figure 3 shows:
Embodiment one
A kind of earthing clamp device, including wire clip body and operating mechanism, wire clip body side is welded or is crimped with earth lead 7 by bolt, described wire clip body includes the wire clamp clamp 6 hinged by rotating shaft 4 and brute spring, described wire clamp clamp 6 front portion is provided with the groove for clamping power transmission line, offering draw-in groove in described groove, graphite linings 5 is connected in groove by draw-in groove；Described wire clamp clamp tail end is provided with the stay cord 3 being connected between clamp 6, described operating mechanism includes two insulating bars 1, wherein action bars 1 top is provided with hook structure 8, another root action bars 1 top has metal screw 11, and be provided with inside by described metal screw 11 there is the barrier part 2 of reverse taper cavity structure, described barrier part 2 side is provided with bolt hole, and described barrier part 2 is threadeded with described metal screw 11 by bolt hole.Described action bars 1 lower end is connected to insulated lengthened bar 10, and described insulated lengthened bar 10 one end is screw-rod structure, and the other end is bolt hole structure, is lengthened with bolt hole structure phase downlink connection by the bolt arrangement being mutually matched.
Embodiment two
The present embodiment is distinguished by with embodiment one: the afterbody of described wire clamp clamp arranges the ramp structure 9 matched with described reverse taper cavity structure.Described action bars 1 is telescopic action bars, including interior bar and outer tube, described outer tube is provided with hold-down bolt, in being compressed through outer tube wall by hold-down bolt bar realize in being reliably connected of bar and outer tube.The hook structure 8 on described action bars 1 top is the groove structure being opened in action bars 1 tip-end-side.
Embodiment three
A kind of method that earthing clamp device adopting above-described embodiment one or embodiment two carries out operation, comprises the following steps:
1) the far and near situation of operating personnel's distance power transmission line time according to concrete operation, and the length of action bars 1 and extension bar 10, prepare the insulated lengthened bar 10 of varying number, staff arrives the cross-arm place at Awaiting Overhaul transmission line of electricity place on shaft tower, by transmitting rope, earthing clamp device and electrical verification induction apparatus are transferred to operation cross-arm place, electrical verification induction apparatus is present device, cross-arm operating personnel's assembly operation bar 1 and extension bar 10, end is first adopted to have the insulating bar 1 of metal screw 11, its metal screw 11 connects electrical verification induction apparatus, Awaiting Overhaul transmission line of electricity is carried out electrical verification, guarantee circuit no-voltage；
2) after electrical verification completes, take off electrical verification induction apparatus and install the barrier part 2 of earthing clamp device, take another end there is the insulating bar 1 of hook to penetrate from the osculum end of barrier part 2, and pass from big opening end, make the hooking slits on action bars 1 upward, the stay cord 3 of earthing clamp is placed in hook, pull the action bars 1 with hook, earthing clamp is made to enter in the reverse taper cavity within barrier part, it is to avoid earthing clamp comes off；
3) keep earthing clamp stable by two action bars 1 of control, and earthing clamp is delivered to transmission pressure place, the action bars 1 being connected with barrier part 2 is kept to stablize and exert oneself to pull the action bars 1 with hook again, earthing clamp is opened, and wire is placed in the groove of earthing clamp, slowly unclamp the action bars 1 with hook again, earthing clamp is made steadily to close, namely the secure connection of wire clamp and transmission line of electricity it is grounded, the action bars 1 with hook forward extends out barrier part 2, make stay cord 3 depart from hook, action bars 1 and cylinder 2 can be regained in the lump；
4) after upkeep operation completes, removal earthing clamp, action bars 1 and cylinder 2 adopt such as step 2) mounting means be connected, the action bars 1 with hook forward extends out barrier part 2, by hooking the stay cord 3 on earthing clamp, keep the action bars 1 being connected with barrier part 2 stablize and exert oneself to pull back the action bars 1 with hook, earthing clamp can be opened, it is achieved the removal of earthing clamp.
The earthing clamp apparatus structure of the present invention is simple, simple for production, and cost is low, and it uses operational method, and simple, convenient, the mounting of whole earthing clamp is steady, controlled with removal process, has effectively ensured the safety of transmission line of electricity.
Claims (6)
1. an earthing clamp device, including wire clip body and operating mechanism, described wire clip body includes the wire clamp clamp hinged by rotating shaft and brute spring, it is characterized in that: described wire clamp clamp front portion is provided with the groove for clamping power transmission line, described wire clamp clamp tail end is provided with the stay cord being connected between clamp, described operating mechanism includes two insulating bars, wherein an action bars top is provided with hook structure, another root action bars top has metal screw, and described metal screw is provided with inside there is the barrier part of reverse taper cavity structure, end has the insulating bar of hook and penetrates from the osculum end of described barrier part, and pass from big opening end, described barrier part side is provided with bolt hole, described barrier part is connected with described metal screw by bolt hole.
2. earthing clamp device as claimed in claim 1, it is characterised in that: it is provided with graphite linings in the groove of described wire clamp clamp.
3. earthing clamp device as claimed in claim 1, it is characterised in that: the afterbody of described wire clamp clamp arranges the ramp structure matched with described reverse taper cavity structure.
4. the earthing clamp device as described in claim 1 or 2 or 3, it is characterised in that: described action bars lower end is connected to insulated lengthened bar, and described insulated lengthened bar one end is screw-rod structure, and the other end is bolt hole structure.
5. earthing clamp device as claimed in claim 4, it is characterised in that: the hook structure on described action bars top is the groove structure being opened in action bars tip-end-side.
6. an operational method for employing earthing clamp device described in above-mentioned any one claim, comprises the following steps:
1) the far and near situation of operating personnel's distance power transmission line time according to concrete operation, and the length of action bars and extension bar, prepare the insulated lengthened bar of varying number, staff arrives the cross-arm place at Awaiting Overhaul transmission line of electricity place on shaft tower, by transmitting rope, earthing clamp device and electrical verification induction apparatus are transferred to operation cross-arm place, cross-arm operating personnel's assembly operation bar and extension bar, end is first adopted to have the insulating bar of metal screw, its metal screw connects electrical verification induction apparatus, Awaiting Overhaul transmission line of electricity is carried out electrical verification, it is ensured that circuit no-voltage；
2) after electrical verification completes, take off electrical verification induction apparatus and install the barrier part of earthing clamp device, take another end there is the insulating bar of hook to penetrate from the osculum end of barrier part, and pass from big opening end, make the hooking slits on action bars upward, the stay cord of earthing clamp is placed in hook, pull the action bars with hook, earthing clamp is made to enter in the reverse taper cavity within barrier part, it is to avoid earthing clamp comes off；
3) stable by controlling two action bars maintenance earthing clamps, and earthing clamp is delivered to transmission pressure place, the action bars being connected with barrier part is kept to stablize and exert oneself to pull the action bars with hook again, earthing clamp is opened, and wire is placed in the groove of earthing clamp, slowly unclamp the action bars with hook again, earthing clamp is made steadily to close, namely the secure connection of wire clamp and transmission line of electricity it is grounded, the action bars with hook forward extends out barrier part, make stay cord depart from hook, action bars and cylinder can be regained in the lump；
4) after upkeep operation completes, removal earthing clamp, action bars and cylinder adopt such as step 2) mounting means be connected, the action bars with hook forward extends out barrier part, by hooking the stay cord on earthing clamp, keep the action bars being connected with barrier part stablize and exert oneself to pull back the action bars with hook, earthing clamp can be opened, it is achieved the removal of earthing clamp.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610460407.1A CN106129666B (en) | 2014-07-18 | 2014-07-18 | A kind of earthing clamp device |
| CN201410343063.7A CN104158049B (en) | 2014-07-18 | 2014-07-18 | A kind of earthing clamp device and operational method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410343063.7A CN104158049B (en) | 2014-07-18 | 2014-07-18 | A kind of earthing clamp device and operational method thereof |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610460407.1A Division CN106129666B (en) | 2014-07-18 | 2014-07-18 | A kind of earthing clamp device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104158049A CN104158049A (en) | 2014-11-19 |
| CN104158049B true CN104158049B (en) | 2016-06-29 |
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Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610460407.1A Active CN106129666B (en) | 2014-07-18 | 2014-07-18 | A kind of earthing clamp device |
| CN201410343063.7A Active CN104158049B (en) | 2014-07-18 | 2014-07-18 | A kind of earthing clamp device and operational method thereof |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610460407.1A Active CN106129666B (en) | 2014-07-18 | 2014-07-18 | A kind of earthing clamp device |
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| Country | Link |
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| CN (2) | CN106129666B (en) |
Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3128627B1 (en) * | 2015-08-04 | 2019-01-30 | MD Elektronik GmbH | Clamping device and its opening unit and method for actuating the clamping device by the opening unit |
| CN106019028A (en) * | 2016-08-02 | 2016-10-12 | 国网山东省电力公司枣庄供电公司 | Operating tool special for high-voltage test of electrical equipment |
| CN106848616B (en) * | 2016-12-27 | 2018-12-18 | 国网江西省电力有限公司九江供电分公司 | The locking device of wire screw fastener in a kind of power equipment |
| CN106711640A (en) * | 2017-03-28 | 2017-05-24 | 国网新疆电力公司电力科学研究院 | Fishing ground wire device |
| CN107946855B (en) * | 2017-09-13 | 2019-05-10 | 东阳市光明电力建设有限公司 | It is shorted testing wire clamp |
| CN108565662A (en) * | 2018-06-26 | 2018-09-21 | 广东广航科技有限公司 | A kind of round electric connector remover-and-replacer |
| CN109546370B (en) * | 2018-11-27 | 2020-05-05 | 国网四川省电力公司检修公司 | Transmission line grounding clamp capable of being positioned and convenient to install and disassemble |
| CN109494540B (en) * | 2018-12-24 | 2024-06-21 | 深圳市浩湖网络技术有限公司 | Cross line exchanging mechanism and line exchanging method thereof |
| CN110620345A (en) * | 2019-09-12 | 2019-12-27 | 国网宁夏电力有限公司中卫供电公司 | 10kV middle-placed switch cabinet bus grounding rod |
| CN111463677A (en) * | 2019-12-24 | 2020-07-28 | 国网山东省电力公司聊城供电公司 | Station-used alternating-current mobile power supply device capable of climbing stairs |
| CN111509425B (en) * | 2020-04-15 | 2021-09-24 | 贵州电网有限责任公司 | Grounding wire clamp of ten-kilovolt distribution line |
| CN111478062A (en) * | 2020-04-17 | 2020-07-31 | 广东电网有限责任公司 | Electrodynamic type earth connection |
| CN114094357B (en) * | 2021-09-28 | 2023-08-18 | 金华送变电工程有限公司 | Universal grounding device for 500kV and above transmission lines |
| CN113948920B (en) * | 2021-10-20 | 2023-08-08 | 国网天津市电力公司 | Grounding wire device |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IT1259001B (en) * | 1992-06-17 | 1996-03-11 | CLAMP FOR SHORT CIRCUIT DEVICES AND BAT ON THE GROUND FROM THE SOIL OF MEDIUM VOLTAGE AERIAL POWER LINES | |
| CN201018016Y (en) * | 2007-01-09 | 2008-02-06 | 刘军 | Lever interconnection type high voltage earthed wire clip |
| CN201985270U (en) * | 2011-04-18 | 2011-09-21 | 衡水供电公司 | Conducting wire clamp for connecting ground wires |
| KR200479671Y1 (en) * | 2011-10-21 | 2016-02-25 | 한국전력공사 | one-touch earthing equipment on line |
| CN102904081B (en) * | 2012-10-19 | 2015-04-29 | 国家电网公司 | Grounding wire safety operation device in power construction |
| CN203216944U (en) * | 2013-03-04 | 2013-09-25 | 沧州供电公司 | Trigger type high-altitude wire-connecting clamp |
| CN203398349U (en) * | 2013-07-04 | 2014-01-15 | 国家电网公司 | Auxiliary device of ground wire installation |
| CN203660095U (en) * | 2013-11-28 | 2014-06-18 | 国家电网公司 | Universal grounding wire clamp |
| CN203631776U (en) * | 2013-12-02 | 2014-06-04 | 国网河南省电力公司安阳供电公司 | Multi-linkage type grounding wire clamp |
| CN103855587B (en) * | 2014-03-18 | 2016-11-16 | 国家电网公司 | Fast installation ground wire operating arm dedicated and operational approach |
-
2014
- 2014-07-18 CN CN201610460407.1A patent/CN106129666B/en active Active
- 2014-07-18 CN CN201410343063.7A patent/CN104158049B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN106129666B (en) | 2018-04-20 |
| CN106129666A (en) | 2016-11-16 |
| CN104158049A (en) | 2014-11-19 |
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Effective date of registration: 20160518 Address after: The Yellow River Road West, Yancheng District of Luohe City, Henan province 462300 Applicant after: Luohe Power Supply Company, State Grid Henan Electric Power Co., Ltd. Applicant after: State Grid Corporation of China Address before: The Yellow River Road West, Yancheng District of Luohe City, Henan province 462300 Applicant before: Luohe Power Supply Company, State Grid Henan Electric Power Co., Ltd. |
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