CN203839521U - Grounding pole of environment-friendly, anticorrosion and natural-adjustment grounding resistor - Google Patents
Grounding pole of environment-friendly, anticorrosion and natural-adjustment grounding resistor Download PDFInfo
- Publication number
- CN203839521U CN203839521U CN201420200938.3U CN201420200938U CN203839521U CN 203839521 U CN203839521 U CN 203839521U CN 201420200938 U CN201420200938 U CN 201420200938U CN 203839521 U CN203839521 U CN 203839521U
- Authority
- CN
- China
- Prior art keywords
- resistance
- earth
- diameter
- earth electrode
- anticorrosion
- 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
Links
- 239000000463 material Substances 0.000 claims abstract description 53
- 230000007613 environmental effect Effects 0.000 claims description 17
- 229910000831 Steel Inorganic materials 0.000 claims description 14
- 239000010959 steel Substances 0.000 claims description 14
- 229910001220 stainless steel Inorganic materials 0.000 claims description 8
- 239000010935 stainless steel Substances 0.000 claims description 8
- 239000000428 dust Substances 0.000 claims description 5
- 239000003973 paint Substances 0.000 claims description 5
- 238000005507 spraying Methods 0.000 claims description 4
- 238000000576 coating method Methods 0.000 abstract description 6
- 238000012423 maintenance Methods 0.000 abstract description 5
- 238000007689 inspection Methods 0.000 abstract description 3
- 238000007789 sealing Methods 0.000 abstract 1
- 239000002689 soil Substances 0.000 description 18
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 13
- 239000011248 coating agent Substances 0.000 description 5
- 230000007797 corrosion Effects 0.000 description 5
- 238000005260 corrosion Methods 0.000 description 5
- 231100000252 nontoxic Toxicity 0.000 description 5
- 230000003000 nontoxic effect Effects 0.000 description 5
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 4
- 238000010276 construction Methods 0.000 description 4
- 239000012895 dilution Substances 0.000 description 4
- 238000010790 dilution Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 239000003638 chemical reducing agent Substances 0.000 description 3
- 229920006351 engineering plastic Polymers 0.000 description 3
- 239000000945 filler Substances 0.000 description 3
- 239000002253 acid Substances 0.000 description 2
- 239000004020 conductor Substances 0.000 description 2
- 238000002788 crimping Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009972 noncorrosive effect Effects 0.000 description 2
- 210000004508 polar body Anatomy 0.000 description 2
- 239000003755 preservative agent Substances 0.000 description 2
- 230000002335 preservative effect Effects 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- 230000002421 anti-septic effect Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000002305 electric material Substances 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 238000004377 microelectronic Methods 0.000 description 1
- 238000010295 mobile communication Methods 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 238000010422 painting Methods 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000029058 respiratory gaseous exchange Effects 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 238000003900 soil pollution Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
Landscapes
- Prevention Of Electric Corrosion (AREA)
Abstract
The utility model relates to a grounding pole of an environment-friendly, anticorrosion and natural-adjustment grounding resistor. The grounding pole comprises a tubular grounding pole body. A wiring terminal is arranged on the upper end of the tubular grounding pole body, and the wiring terminal is connected with the upper end of the tubular grounding pole body. Environment-friendly, conductive and anticorrosion coatings are sprayed on inner and outer walls of the tubular grounding pole body. The tubular grounding pole body is filled with a resistance reducing material. A resistance reducing material feeding port which can be connected with a high pressure air pump pipe joint is arranged on the upper top end of the grounding pole body. The resistance reducing material feeding port is provided with a dustproof sealing cover. A resistance reducing material releasing hole is arranged on middle lower end of the tubular grounding pole body. An anti-theft ring whose diameter is greater than the diameter of the tubular grounding pole body is arranged on the lower end of the tubular grounding pole body. According to the utility model, resistance reducing material feeding, inspection and maintenance are convenient; the grounding resistance can constantly meet a regulation requirement value; and the anticorrosion service life is not less than the service life of a ground device.
Description
Technical field
The utility model relates to the ground connection of power plant, transformer station, ultra-high-tension power transmission line, transformer neutral point, electric railway connects power supply ground system, signal system ground connection, the enterprises such as petrochemical industry, the lightning protection anti electrostatic grounding system of wireless telecommunications launching tower, microelectronic device system, and pile lightning protection etc., large-scale grounding network is anticorrosion, fall resistance engineering.
Background technology
Conventional earth electrode adopts Zinc-coated angle steel and the copper-clad steel rod of φ 60 coating steel pipes or 50 × 5.Install graphite additional and fall resistance module, can discharge electrolytical earth electrode, these interface differential technique earth mats are all corrosive, contaminated environment, and can not keep for a long time earth resistance stable operation.Be subject to the erosion of high-tension apparatus earial drainage, acid, basic soil, especially the corrosion rate of coastal area and the serious earth electrode of soil pollution is very fast, and top layer produces iron oxide earth resistance and increases.For many years, earth resistance gos up, and can only be again to throw in substantial contribution to change.In mountain area, hills, drought area, desert, meet the resistance value that code requires, be very difficult.Solve that earth electrode top layer is anticorrosion for this reason, capable of regulating, reduction earth electrode Soil Surrounding resistivity be key technology.
Utility model content
The purpose of this utility model is just to provide a kind of environmental protection, anticorrosion, the earth electrode that can naturally adjust earth resistance, it utilizes through spraying environmental protection, conduction, antiseptic coating steel pipe or stainless steel tube as ground connection polar body, the tubular grounding utmost point inside and outside, filling environmental protection, own moisture and the rainwater of conductive nano resistance-lowering material in soil are combined, and reduce resistivity between earth electrode and soil; After several years, grounding resistance raises, and can, to the extremely interior resistance-lowering material that adds of tubular grounding, be grounded the resistance operation of the extremely permanent end; The utility model constructability, inspection, maintenance, the more conventional earth electrode of safe service life extends more than 10 times.
the technical solution of the utility model is:
A kind of environmental protection of the utility model, anticorrosion, the earth electrode that can naturally adjust earth resistance, comprise tubular grounding utmost point main body, be connected with binding post in tubular grounding utmost point main body upper end, on the inside and outside wall of tubular grounding utmost point main body, spraying is provided with environmental protection, conduction, anticorrosive paint layer; In tubular grounding utmost point main body, fill out and be provided with resistance-lowering material; On the upper top of earth electrode main body, be provided with the resistance-lowering material interpolation mouthful that can connect high-pressure pump pipe joint, add on mouth and be equipped with dust seal cover at this resistance-lowering material; Middle lower end in tubular grounding utmost point main body offers resistance-lowering material release aperture; Lower end in tubular grounding utmost point main body is provided with the anti-theft ring that diameter is greater than tubular grounding utmost point main diameter.
A kind of environmental protection of the utility model, anticorrosion, the earth electrode that can naturally adjust earth resistance, described in it, tubular grounding utmost point main body adopts heavy wall gapless stainless steel tube, and thickness of steel pipe is 3-5mm, diameter 45mm-100mm.The diameter of described resistance-lowering material release aperture is arranged on 6-8mm.Its diameter of described anti-theft ring is arranged on as 30-40mm, and its diameter is greater than tubular grounding polar diameter 10-15mm millimeter, makes manually cannot earth electrode be extracted from underground.Described resistance-lowering material adds mouthful its diameter and is set to diameter 20-25mm.
Operation principle of the present utility model is, utilize steel pipe or stainless-steel pipe through preservative treatment, insert the earth, the degree of depth, angle are determined according to the earth resistance of geological conditions and requirement, on earth electrode tube wall, there is multiple respiration apocatharsis hole, in pipe, load nontoxic resistance-lowering material, rely on soil water-containing and the natural rainfall resistance-lowering material inside and outside with earth electrode to mix, to periphery infiltration resistance-lowering material, reduce earth electrode Soil Surrounding resistivity.Change the soil resistivity of earth electrode periphery.If grounding resistance gos up, can open at any time dust cap, add resistance-lowering material, earth resistance is remained stable for a long time.
It produces the utility model employing technique scheme
beneficial effect is:
The utility model adopts steel pipe or stainless steel as earth electrode main body, and the inside and outside wall of steel pipe all scribbles corrosion-resistant conductive coating.Through the earth electrode of anticorrosion with painting, electrically-conducting paint, be immersed in 20% acid, aqueous slkali and be not corroded for 72 hours, the middle lower end of tube wall has resistance-lowering material release aperture, earth electrode bottom has end socket and anti-theft ring, earth electrode top to have openable resistance-lowering material to add mouth, has thread in feed inlet, can connect high-pressure air pipe joint, utilize hyperbar pump, the micron electric conducting material to the extremely interior pressurized delivered of tubular grounding through dilution, improves earth electrode Soil Surrounding resistivity.
On feed inlet, be provided with the seal cover that prevents that foreign material from entering, utilize specific purpose tool to open at any time, can supplement interpolation resistance-lowering material, the electric conducting material of the inside and outside employing of earth electrode not corroding metal, free from environmental pollution, water penetration, electric conductivity is good, reduce the soil resistivity of earth electrode periphery, significantly increased the effective surface area of earth electrode.On earth electrode top, there is the interface of erection unit ground lead.
In the time of first installation tubulose earth electrode, after earth electrode inserts in the earth boring hole, nontoxic, harmless, the non-corrosive superconductive material of landfill, then water filling, is penetrated into nano superconductive electric material in soil with water, then earth filling tamping.When grounding resistance gos up to safeguard, open earth electrode apex filler mouth, add after dilute with water nontoxic, harmless, corrosion-preventing and resistance-reducing material, pressurize to earth electrode delivered inside, by the resistance reducing agent release aperture of the extremely middle lower end of tubular grounding, the resistance-lowering material after dilution is transported in soil, reduce soil resistivity, be grounded the utmost point and again fall resistance, realize permanent low resistance operation.
The utility model earth electrode has all features very easily of the resistance-lowering material, inspection, maintenance of interpolation, makes earth resistance meet for a long time code required value.The extremely inside and outside wall of tubular grounding, after preservative treatment, makes the corrosion fatigue life of earth electrode be not less than the useful life of ground installation.
Construction reformation is convenient, with hand-held armature boring machine drill hole, inserts the utility model ground connection polar body, connection device earth connection, and construction is without deep-cutting a large amount of cubic metres of earth, earth electrode outer wall and the landfill environmental protection of the earth gap, conduction, resistance-lowering material, then water filling, earth filling tamping.Can save a large amount of rebuilding construction costs.
The utility model is to develop according to the special operational mode of electric power system, electric railway grounding system and the changeable complexity of environment.The earth resistance of power plant, transformer station, electric railway traction transformer station and high-tension transmission overhead line structures that can be under particular surroundings reaches code required value for a long time.
The scope of application of the present utility model is:
1, be applicable to the ground network engineering of power plant, transformer station, wind power plant;
2, be applicable to lightning protection, mobile communication base station, the microwave communication station of the extra high voltage network shaft tower of approach mountain area, hills, arid area, desert;
3, be applicable to the earth mat engineering in coastal area and the high soil earth resistance rate area of seriously corroded;
4, be applicable to design load and be less than the computer room ground network below 1 Ω, automation control room earth mat, large-scale precision equipment is to the exigent place of ground network;
5, the grounding system in electric railway;
6, be applicable to the equipment under particular surroundings, in the very strict ground network engineering of earth resistance required value.
Brief description of the drawings
Fig. 1 is a kind of environmental protection of the utility model embodiment, anticorrosion, the structural representation that can naturally adjust the earth electrode of earth resistance.
Embodiment
The earth electrode of anticorrosion, the adjustable earth resistance of the utility model, comprises earth electrode feeding port seal cover 1 as shown in Figure 1, prevents that foreign material from entering earth electrode, blocks resistance-lowering material release aperture.Resistance-lowering material adds mouth 2, after grounding resistance raises, mends and fills out resistance-lowering material mouth.Ground lead connecting plate 3, can weld, available pressing plate, screw crimping.Earth electrode connector 4, for the standard component that ensures to be reliably connected with ground lead with earth electrode.Equipment ground line and earth electrode place 5.Earth electrode and connector pad 6, ensureing that point-to-point transmission is connected firmly does not corrode, and can not have a resistance.Earth electrode body 7, utilizes on the inside and outside wall of the good coating steel pipe of conduction or stainless steel tube steel pipe, and spraying environmental protection, conduction, anticorrosive paint, increase earth electrode safe life.In the middle lower end of earth electrode surrounding, the aperture that has 6-8 mm is resistance-lowering material release aperture 8, carries micron conduction resistance-lowering material by the aperture 8 of lower end in earth electrode in underground.Least significant end at earth electrode is provided with, and the circular discs that is greater than earth electrode diameter 10-15c m rice is anti-theft ring 9, prevents from being arranged on the earth electrode in field, is extracted person electric shock or equipment fault occur by people.
Described tubular grounding utmost point main body adopts heavy wall gapless stainless steel tube, and thickness of steel pipe is 3-5mm, diameter 45mm-100mm.The diameter of described resistance-lowering material release aperture is arranged on 6-8mm.Its diameter of described anti-theft ring is arranged on as 30-40mm, and its diameter is greater than tubular grounding polar diameter 10-15mm millimeter, makes manually cannot earth electrode be extracted from underground.Described resistance-lowering material adds mouthful its diameter and is set to diameter 20-25mm
The utility model without deep-cutting a large amount of cubic metres of earth, with micro drill boring, then inserts the utility model earth electrode main body steel pipe earth electrode in the time of construction and installation, the outside gap of earth electrode landfill long-acting environment friendly resistance-lowering material.Preventing that foreign material from entering covers 1, must just can open with specific purpose tool.Connection device earth connection 5, in earth electrode external water flood compacting, the later stage checks that earth electrode corrosion condition, measurement of Grounding Resistance are all very convenient.First utilization manually adds water and reaches design load, by soil water-containing and natural rainfall, maintains resistance-lowering material slowly-releasing in earth electrode later, saves a large amount of human and material resources, significantly improves the security reliability of electric equipment and skyscraper.Not needing manually to go to carry out routine checks frequently and measures again.Significantly extend the maintenance test cycle.
The earth electrode that the utility model is anticorrosion, can adjust earth resistance naturally, the tubular grounding of described stainless steel or coating steel pipe extremely in lower end, be drilled with resistance-lowering material release aperture, release aperture diameter 6-8mm.
On the inside and outside wall of the tubular grounding utmost point, spray environmental protection, conduction, anticorrosive paint, prevent at earth electrode in various corrosive grounds, produce iron oxide, cause earth electrode earth resistance to increase.
Be provided with bottom antitheft disk at earth electrode, anti-theft ring diameter is greater than tubular grounding polar diameter 30-40mm millimeter..Utilize and manually cannot earth electrode be extracted from underground.
Be provided with binding post on face top, tubular grounding polar region, binding post can be used bolt and cover plate crimping ground network wire, also can weld ground network wire.Top, earth electrode ground, be provided with can open at any time as resistance-lowering material add mouthful, in feed inlet, have thread, can connect high-pressure pump pipe joint, can add a cover engineering plastics lid and prevent that foreign material from entering.On top, earth electrode ground, have the feeding port of the resistance reducing agent of diameter 20-25mm millimeter, its feeding port can connect the pressurization of high-pressure pump pipe joint, and dustproof engineering plastic closure can be installed again, prevent that foreign material, soil from falling into earth electrode, block resistance-lowering material feeding port.Described dust seal cover adopts engineering plastics to make, and prevents that between dust seal cover and earth electrode feeding port, corrosion adhesion is difficult for opening maintenance, mends while adding resistance-lowering material, easily operation.
The utility model is in the time of first installation tubulose earth electrode, after earth electrode inserts in the earth boring hole, first water filling, water ooze the outer filler water filling of nontoxic, harmless, the non-corrosive superconduct performance of rear landfill, micron superconductive material are penetrated in soil to then charting compacting with water.Then open earth electrode apex filler mouth, add through dilution after nontoxic, harmless, corrosion-preventing and resistance-reducing material, then apply pressure to earth electrode inside, by the resistance reducing agent release aperture of the extremely middle lower end of tubular grounding, resistance-lowering material after dilution is transported in soil, reduce soil resistivity, be grounded the utmost point and again fall resistance, realize permanent low resistance operation.
Claims (5)
1. environmental protection, anticorrosion, the earth electrode that can naturally adjust earth resistance, comprise tubular grounding utmost point main body, is connected with binding post in tubular grounding utmost point main body upper end, it is characterized in that:
On the inside and outside wall of tubular grounding utmost point main body, spraying is provided with environmental protection, conduction, anticorrosive paint layer;
In tubular grounding utmost point main body, fill out and be provided with resistance-lowering material;
On the upper top of earth electrode main body, be provided with the resistance-lowering material interpolation mouthful that can connect high-pressure pump pipe joint, add on mouth and be equipped with dust seal cover at this resistance-lowering material;
Middle lower end in tubular grounding utmost point main body offers resistance-lowering material release aperture;
Lower end in tubular grounding utmost point main body is provided with the anti-theft ring that diameter is greater than tubular grounding utmost point main diameter.
2. a kind of environmental protection according to claim 1, anticorrosion, the earth electrode that can naturally adjust earth resistance, is characterized in that: described tubular grounding utmost point main body adopts heavy wall gapless stainless steel tube, and thickness of steel pipe is 4-5mm, diameter 45mm-100mm.
3. a kind of environmental protection according to claim 1, anticorrosion, the earth electrode that can naturally adjust earth resistance, is characterized in that: the diameter of described resistance-lowering material release aperture is arranged on 6-8mm.
4. a kind of environmental protection according to claim 1, anticorrosion, the earth electrode that can naturally adjust earth resistance, is characterized in that: the diameter of described anti-theft ring is greater than tubular grounding polar diameter 10-15mm millimeter.
5. a kind of environmental protection according to claim 1, anticorrosion, the earth electrode that can naturally adjust earth resistance, is characterized in that: described resistance-lowering material adds mouthful its diameter and is set to diameter 20-25mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420200938.3U CN203839521U (en) | 2014-04-24 | 2014-04-24 | Grounding pole of environment-friendly, anticorrosion and natural-adjustment grounding resistor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420200938.3U CN203839521U (en) | 2014-04-24 | 2014-04-24 | Grounding pole of environment-friendly, anticorrosion and natural-adjustment grounding resistor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203839521U true CN203839521U (en) | 2014-09-17 |
Family
ID=51517321
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420200938.3U Expired - Fee Related CN203839521U (en) | 2014-04-24 | 2014-04-24 | Grounding pole of environment-friendly, anticorrosion and natural-adjustment grounding resistor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203839521U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104966911A (en) * | 2015-07-06 | 2015-10-07 | 浙江师范大学 | Grounding device for electric power system and electric power system |
| CN104979648A (en) * | 2015-07-15 | 2015-10-14 | 国家电网公司 | Electrode for measuring grounding resistance |
| CN105006662A (en) * | 2015-07-23 | 2015-10-28 | 朱明德 | Shield for grounding device, and power device |
| CN108598728A (en) * | 2018-03-30 | 2018-09-28 | 广东电网有限责任公司 | Long-effective corrosion Novel connecting earth polar |
| CN115411652A (en) * | 2022-10-31 | 2022-11-29 | 中国电建集团山东电力建设第一工程有限公司 | Umbrella-shaped grounding device of extra-high voltage transformer substation, auxiliary unfolding device and using method |
-
2014
- 2014-04-24 CN CN201420200938.3U patent/CN203839521U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104966911A (en) * | 2015-07-06 | 2015-10-07 | 浙江师范大学 | Grounding device for electric power system and electric power system |
| CN104979648A (en) * | 2015-07-15 | 2015-10-14 | 国家电网公司 | Electrode for measuring grounding resistance |
| CN105006662A (en) * | 2015-07-23 | 2015-10-28 | 朱明德 | Shield for grounding device, and power device |
| CN108598728A (en) * | 2018-03-30 | 2018-09-28 | 广东电网有限责任公司 | Long-effective corrosion Novel connecting earth polar |
| CN115411652A (en) * | 2022-10-31 | 2022-11-29 | 中国电建集团山东电力建设第一工程有限公司 | Umbrella-shaped grounding device of extra-high voltage transformer substation, auxiliary unfolding device and using method |
| CN115411652B (en) * | 2022-10-31 | 2023-01-06 | 中国电建集团山东电力建设第一工程有限公司 | Umbrella-shaped grounding device of extra-high voltage transformer substation, auxiliary unfolding device and using method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203839521U (en) | Grounding pole of environment-friendly, anticorrosion and natural-adjustment grounding resistor | |
| CN101752684A (en) | Grounding electrode of anti-corrosion and adjustable grounding resistor | |
| CN201018019Y (en) | Electrolysis grounding device | |
| CN208111707U (en) | A kind of deep contact earthing pole and auxiliary facility suitable for extreme terrain | |
| CN203085770U (en) | Driven type ionic grounding electrode | |
| CN206541940U (en) | A kind of electric power grounding device | |
| CN101740886B (en) | Anti-corrosion grounding device | |
| CN104505605B (en) | Reduce pipeline yard grounding resistance and extend the device and method of ground connection body life time | |
| CN103746195B (en) | Modularity lightning protection Special grounding device | |
| CN207852955U (en) | A kind of anticorrosion grounding apparatus | |
| CN205509041U (en) | Graphite -based flexible composite grounding body | |
| CN204608161U (en) | Galvanic protection earthing pole | |
| CN204156111U (en) | A kind of corrosion resistant multifunctional compound ion earthing device | |
| CN204156120U (en) | The folding corrosion-preventing and resistance-reducing grounding body of a kind of more piece | |
| CN103579786B (en) | A kind of module reducing grounded screen electric resistance | |
| CN201781076U (en) | Anti-corrosion and resistance-diminishing electrolytic grounding device | |
| CN202474249U (en) | Metal electrode corrosion preventing device for grounding resistance reducing module | |
| CN202395168U (en) | Grounding device | |
| CN105239079B (en) | A kind of down conductor cathodic protection anti-corrosion method | |
| CN204230524U (en) | A kind of architectural engineering grounding system | |
| CN205828696U (en) | A kind of ion earthing electrode systems | |
| CN2579004Y (en) | Electrolytic ionic grounding electrode | |
| CN215328374U (en) | Buried pipeline cathode protection device | |
| CN216450822U (en) | Slow release type ion grounding device | |
| CN207074716U (en) | A kind of anti-corrosion ion grounding electrode |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190603 Address after: 071051 Building 201, No. 2A, 669 Yufeng Road, Gaokai District, Baoding City, Hebei Province Patentee after: Hebei Tianli Power Equipment Technology Co.,Ltd. Address before: 071051 Unit 602, Building 10, Gaokai District, Baoding City, Hebei Province Patentee before: Gao Zheng |
|
| 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: 20140917 |