CN103117459B - Reinforced grounding current diffusion device of power transmission line tower - Google Patents
Reinforced grounding current diffusion device of power transmission line tower Download PDFInfo
- Publication number
- CN103117459B CN103117459B CN201310038350.2A CN201310038350A CN103117459B CN 103117459 B CN103117459 B CN 103117459B CN 201310038350 A CN201310038350 A CN 201310038350A CN 103117459 B CN103117459 B CN 103117459B
- Authority
- CN
- China
- Prior art keywords
- acupuncture
- cylindrical shell
- hollow column
- grounding
- diameter
- 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.)
- Active
Links
Abstract
The invention discloses a reinforced grounding current diffusion device of a power transmission line tower. The reinforced grounding current diffusion device mainly comprises needle grounding electrodes, a hollow column and a water injection pipe. The reinforced grounding current diffusion device has the advantages of simple structure, convenience in construction, low engineering cost, good current diffusion characteristic, low grounding resistance, corrosion resistance, zero environmental pollution and the like, can be widely applied to reducing grounding resistance, and is particularly applicable to arid regions, rocky regions, regions with high soil resistivity and regions with violent thunderstorm activities.
Description
Technical field
The invention belongs to electrical earth device technical field, be specifically related to a kind of electric power line pole tower reinforced ground diffusing device.
Background technology
For the earth resistance reducing overhead line structures, the measure usually adopted in engineering mainly contains increase the ground network area, increases the size of earth electrode, increases buried depth, the Down conductor of earth electrode, utilizes natural grounding substance, soil removal and replacement, employing resistance reducing agent etc.These fall the application conditions that resistance measure has it relative, and for different areas, different edaphic condition adopts diverse ways just can effectively reduce earth resistance.But in implementation process, often run into difficulty of construction comparatively large, engineering cost is higher, and site condition limits, the problems such as environmental pollution.And due to electric power line pole tower floor space less, especially in high soil resistivity, the earth resistance of shaft tower usually cannot reach the level required by code, is difficult to obtain satisfied resistance reducing effect.Current, China is just being devoted to intelligent grid construction, and this also proposes requirements at the higher level to the safety and reliability of power system transmission line.Generally speaking, the development of electric power system, proposes more and more higher requirement to grounding technology, only by traditional earthing device and grounding technology, is difficult to meet the demands.
Summary of the invention
The object of the invention is the weak point of falling resistance measure for existing electric power line pole tower, propose a kind of electric power line pole tower reinforced ground diffusing device, there is simple structure, easy construction, engineering cost is low, and characteristics of the dispersed flow is good, earth resistance is little, corrosion-resistant, the features such as environmentally safe.
The technical scheme that the present invention solves the problems of the technologies described above is as follows:
A kind of electric power line pole tower reinforced ground diffusing device, mainly comprises acupuncture earth electrode, hollow column, water injection pipe.
Described acupuncture earth electrode is made up of 1 horizontal grounding pole and 2 ~ 10 acupuncture conductors.Described horizontal grounding pole and acupuncture conductor are the galvanized steel bar that commercial diameter is 10 ~ 20mm, have certain intensity and corrosion resistance, the corrosion in ability soil and external force resistance vibration.Described horizontal grounding pole length is 1000 ~ 2000mm, is inducted in soil for earth current.Described in every root, the length of acupuncture conductor is 100 ~ 200mm, for being dispensed in soil by impulse current.The center of acupuncture conductor described in every root is the middle part that 100 ~ 200mm is welded on described horizontal grounding pole by the every spacing of adjacent two, and described in every root, acupuncture conductor is all extremely vertical with described horizontal grounding.The concrete radical of described acupuncture conductor according to required by the Transient grounding resistance value that reaches determine.
Described water injection pipe is diameter is 15mm, and length is about the steel pipe of 300mm, is welded on first cylindrical shell of described hollow column, and Main Function injects moisture by water injection pipe to described hollow column.
The Main Function of described hollow column is keep argillic horizon and surrounding soil moistening, and the conductive ion that hydrolysis produces, by increasing the electric conductivity of soil, makes soil resistivity be much improved.Described hollow column is 500mm by upper and lower two parts length, wide be 350mm cylinder shelly steel plate form, two parts cylindrical shell adopts the flange that is threaded to connect, and for fixing upper and lower two parts cylindrical shell, the hollow column outward appearance after assembling presents the cylinder that bottom surface is cambered surface.Described upper part cylindrical shell shell welds with described water injection pipe and is linked to be entirety, diameter is the side length that the water injection hole of 15mm is positioned at apart from described upper part cylindrical shell is 60mm, wide is the position of 175mm, 10 water seepage holes that diameter is 5mm are distributed with at the opposite side of described upper part cylindrical shell, be scattered in two rows, spacing between two rows is 60mm, and the upper row that keeps to the side is 50mm with the spacing at edge.The bolt hole that diameter is 10mm is uniformly distributed, for fixing upper and lower two parts cylindrical shell in described upper part cylindrical shell shell surrounding.Described the latter half cylindrical shell welds with the wide grounding flat steel for 30mm and is linked to be entirety, the other end relative with grounding flat steel is evenly distributed with 10 water seepage holes that diameter is 5mm, be scattered in two rows, the spacing of often arranging is 60mm, and the upper row that keeps to the side is 50mm with the spacing at edge.The bolt hole that diameter is 10mm is uniformly distributed, for fixing upper and lower two parts cylindrical shell in described lower part cylindrical shell shell surrounding.
Described acupuncture earth electrode is bolted to four angles place of the first half cylindrical shell of described hollow column, the clay of 1/3 capacity will be filled in described hollow column, then hole is put into by whole for described hollow column, backfill clay and water compacting after, fill water by described hollow column again, and weld with described grounding flat steel.
The present invention compared with prior art, has the following advantages:
1. the land area shared by this device is less, and need the ground connection of excavation hole also smaller, the workload of project installation is little.
2. this device connects the water in described hollow column along with the aperture of earth electrode and immerses the earth lentamente, reduce contact resistance on the one hand, keep on the other hand the moistening of argillic horizon and surrounding soil, the conductive ion that hydrolysis produces, by increasing the electric conductivity of soil, makes soil resistivity be much improved.More advantageously described hollow column can pass through a filling pipe, keeps the stable of water capacity in ball at any time, also makes this resistance reducing effect must in long-term existence.
3. this device does not need to add chemical resistance-reducing agent, environmentally safe.
4. this apparatus main body adopts the quality steel plate welding through hot galvanizing process to make, and resistance to corrosion is strong, and strengthens in time due to the density of backfill soil, and therefore growth in time significantly declines by earth resistance, therefore apparatus of the present invention long service life.
5. impulse current is along earthing conductor in diffusing process in soil, comparatively large in decanting point and earth electrode end diffusing value, exists " end effect ".The present invention, by welding multiple shunt conductor on drainage conductor, inhibits " end effect " of conductor, fully employs the middle part diffusing ability of conductor, makes diffusing more even, reduces earth resistance.
Earthing device of the present invention can be widely used in reduction earth resistance, is particularly suitable for arid area, Rock Region, high soil resistivity and thunder activities strongly regional.
Accompanying drawing explanation
Fig. 1 is apparatus of the present invention structural representation.
Fig. 2 is the structural representation of the earth electrode of acupuncture described in apparatus of the present invention;
Fig. 3 is the upper part of hollow column described in apparatus of the present invention cylindrical shell structure schematic diagram;
Fig. 4 is the lower part of hollow column described in apparatus of the present invention cylindrical shell structure schematic diagram;
Fig. 5 has installed the upper part cylindrical shell three-dimensional effect diagram of water injection pipe for hollow column described in apparatus of the present invention.
Fig. 6 has installed the lower part cylindrical shell three-dimensional effect diagram of water injection pipe for hollow column described in apparatus of the present invention.
In figure: acupuncture earth electrode 1, hollow column 2, water injection pipe 3, horizontal grounding pole 4, acupuncture conductor 5, water seepage hole 6, bolt hole 7, water injection hole 8, grounding flat steel 9.
Embodiment
Below in conjunction with drawings and Examples, the invention will be further described.
The structure of a kind of electric power line pole tower reinforced ground of the present invention diffusing device as shown in Figure 1 to 4, mainly comprises acupuncture earth electrode 1, hollow column 2, water injection pipe 3.
Described acupuncture earth electrode 1 is made up of 1 horizontal grounding pole 4 and 2 ~ 10 acupuncture conductors 5.Described horizontal grounding pole 4 and acupuncture conductor 5 are the galvanized steel bar that commercial diameter is 10 ~ 20mm, have certain intensity and corrosion resistance, the corrosion in ability soil and external force resistance vibration.Described horizontal grounding pole 4 length is 1000 ~ 2000mm, is inducted in soil for earth current.Described in every root, the length of acupuncture conductor 5 is 100 ~ 200mm, for being dispensed in soil by impulse current.The center of acupuncture conductor 5 described in every root is the middle part that 100 ~ 200mm is welded on described horizontal grounding pole 4 by the every spacing of adjacent two, and described in every root, acupuncture conductor 5 is all vertical with described horizontal grounding pole 4.The concrete radical of described acupuncture conductor 5 according to required by the Transient grounding resistance value that reaches determine.
Described water injection pipe 3 for diameter be 15mm, length is about the steel pipe of 300mm, is welded on first cylindrical shell of described hollow column (2), and Main Function injects moisture by water injection pipe to described hollow column.
The Main Function of described hollow column is keep argillic horizon and surrounding soil moistening, and the conductive ion that hydrolysis produces, by increasing the electric conductivity of soil, makes soil resistivity be much improved.Described hollow column 2 is 500mm by upper and lower two parts length, wide be 350mm cylinder shelly steel plate form, two parts cylindrical shell adopts the flange that is threaded to connect, and for fixing upper and lower two parts cylindrical shell, the hollow column outward appearance after assembling presents the cylinder that bottom surface is cambered surface.Described upper part cylindrical shell shell welds with described water injection pipe 3 and is linked to be entirety, diameter is the side length that the water injection hole 8 of 15mm is positioned at apart from described upper part cylindrical shell is 60mm, wide is the position of 175mm, 10 water seepage holes 6 that diameter is 5mm are distributed with at the opposite side of described upper part cylindrical shell, be scattered in two rows, spacing between two rows is 60mm, and the upper row that keeps to the side is 50mm with the spacing at edge.The bolt hole 7 that diameter is 10mm is uniformly distributed, for fixing upper and lower two parts cylindrical shell in described upper part cylindrical shell shell surrounding.Described the latter half cylindrical shell welds with the wide grounding flat steel 9 for 30mm and is linked to be entirety, the other end relative with grounding flat steel 9 is evenly distributed with 10 water seepage holes 6 that diameter is 5mm, be scattered in two rows, the spacing of often arranging is 60mm, and the upper row that keeps to the side is 50mm with the spacing at edge.The bolt hole 7 that diameter is 10mm is uniformly distributed, for fixing upper and lower two parts cylindrical shell in described lower part cylindrical shell shell surrounding.
Described acupuncture earth electrode 1 is bolted to four angles place of the first half cylindrical shell of described hollow column 2, the clay of 1/3 capacity will be filled in described hollow column 2, then hole is put into by whole for described hollow column 2, backfill clay and water compacting after, fill water by described hollow column 2 again, and weld with described grounding flat steel 9.
Embodiment 1
As shown in Figure 1 to 4, a kind of electric power line pole tower reinforced ground diffusing device, mainly comprises acupuncture earth electrode 1, hollow column 2, water injection pipe 3.The Main Function of described hollow column 2 is keep argillic horizon and surrounding soil moistening, and the conductive ion that hydrolysis produces, by increasing the electric conductivity of soil, makes soil resistivity be much improved.Described water injection pipe 3 for diameter be 15mm, length is about the steel pipe of 300mm, is welded in first cylindrical shell of described hollow column, and Main Function injects moisture by water injection pipe to described hollow column.Described acupuncture earth electrode 1 is bolted to four angles place of the first half cylindrical shell of described hollow column 2, for being flowed in soil by current dissipation.
Described acupuncture earth electrode 1 is made up of 1 horizontal grounding pole 4 and 2 ~ 10 acupuncture conductors 5.Described horizontal grounding pole 4 and acupuncture conductor 5 are the galvanized steel bar that commercial diameter is 10 ~ 20mm, have certain intensity and corrosion resistance, the corrosion in ability soil and external force resistance vibration.Described horizontal grounding pole 4 length is 1000mm, is inducted in soil for earth current.Described in every root, the length of acupuncture conductor 5 is 100mm, for being dispensed in soil by impulse current.The center of acupuncture conductor 5 described in every root is the middle part that 100mm is welded on described horizontal grounding pole 4 by the every spacing of adjacent two, and described in every root, acupuncture conductor 5 is all vertical with described horizontal grounding pole 4.The concrete radical of described acupuncture conductor 5 according to required by the Transient grounding resistance value that reaches determine.
Described hollow column 2 is 500mm by upper and lower two parts length, wide be 350mm cylinder shelly steel plate form, two parts cylindrical shell adopts the flange that is threaded to connect, and for fixing upper and lower two parts cylindrical shell, the hollow column outward appearance after assembling presents the cylinder that bottom surface is cambered surface.Described upper part cylindrical shell shell welds with described water injection pipe 3 and is linked to be entirety, diameter is the side length that the water injection hole 8 of 15mm is positioned at apart from described upper part cylindrical shell is 60mm, wide is the position of 175mm, 10 water seepage holes 6 that diameter is 5mm are distributed with at the opposite side of described upper part cylindrical shell, be scattered in two rows, spacing between two rows is 60mm, and the upper row that keeps to the side is 50mm with the spacing at edge.The bolt hole 7 that diameter is 10mm is uniformly distributed, for fixing upper and lower two parts cylindrical shell in described upper part cylindrical shell shell surrounding.Described the latter half cylindrical shell welds with the wide grounding flat steel 9 for 30mm and is linked to be entirety, the other end relative with grounding flat steel 9 is evenly distributed with 10 water seepage holes 6 that diameter is 5mm, be scattered in two rows, the spacing of often arranging is 60mm, and the upper row that keeps to the side is 50mm with the spacing at edge.The bolt hole 7 that diameter is 10mm is uniformly distributed, for fixing upper and lower two parts cylindrical shell in described lower part cylindrical shell shell surrounding.The clay of 1/3 capacity will be filled in described hollow column 2, then it wholely be put into hole, backfill clay after compacting of watering, then fill water by described hollow column 2, and weld with described grounding flat steel 9.
Embodiment 2
A kind of electric power line pole tower reinforced ground diffusing device, with embodiment 1, wherein: described horizontal grounding pole 4 length is 2000mm, described in every root, the length of acupuncture conductor 5 is 200mm, and the center of acupuncture conductor 5 described in every root is the middle part that 200mm is welded on described horizontal grounding pole 4 by the every spacing of adjacent two.
Embodiment 3
A kind of electric power line pole tower reinforced ground diffusing device, with embodiment 1, wherein: described horizontal grounding pole 4 length is 1500mm, described in every root, the length of acupuncture conductor 5 is 150mm, and the center of acupuncture conductor 5 described in every root is the middle part that 150mm is welded on described horizontal grounding pole 4 by the every spacing of adjacent two.
Claims (1)
1. an electric power line pole tower reinforced ground diffusing device, mainly comprises acupuncture earth electrode, hollow column, water injection pipe, it is characterized in that:
Described acupuncture earth electrode is made up of 1 horizontal grounding pole and 2 ~ 10 acupuncture conductors, described horizontal grounding pole and acupuncture conductor are the galvanized steel bar that commercial diameter is 10 ~ 20mm, described horizontal grounding pole length is 1000 ~ 2000mm, described in every root, the length of acupuncture conductor is 100 ~ 200mm, the center of acupuncture conductor described in every root is the middle part that 100 ~ 200mm is welded on described horizontal grounding pole by the every spacing of adjacent two, and described in every root, acupuncture conductor is all extremely vertical with described horizontal grounding; The concrete radical of described acupuncture conductor according to required by the Transient grounding resistance value that reaches determine;
Described water injection pipe is diameter is 15mm, and length is the steel pipe of 300mm, is welded on first cylindrical shell of described hollow column;
Described hollow column is 500mm by upper and lower two parts length, wide be 350mm cylinder shelly steel plate form, two parts cylindrical shell adopt be threaded flange connect, the hollow column outward appearance after assembling presents the cylinder that bottom surface is cambered surface; Described upper part cylindrical shell shell welds with described water injection pipe and is linked to be entirety, diameter is the side length that the water injection hole of 15mm is positioned at apart from described upper part cylindrical shell is 60mm, wide is the position of 175mm, 10 water seepage holes that diameter is 5mm are distributed with at the opposite side of described upper part cylindrical shell, be scattered in two rows, spacing between two rows is 60mm, and the upper row that keeps to the side is 50mm with the spacing at edge; The bolt hole that diameter is 10mm is uniformly distributed in described upper part cylindrical shell shell surrounding; Described the latter half cylindrical shell welds with the wide grounding flat steel for 30mm and is linked to be entirety, the other end relative with grounding flat steel is evenly distributed with 10 water seepage holes that diameter is 5mm, be scattered in two rows, the spacing of often arranging is 60mm, and the upper row that keeps to the side is 50mm with the spacing at edge; The bolt hole that diameter is 10mm is uniformly distributed in described lower part cylindrical shell shell surrounding;
Described acupuncture earth electrode is bolted to four angles place of the first half cylindrical shell of described hollow column, the clay of 1/3 capacity will be filled in described hollow column, then hole is put into by whole for described hollow column, backfill clay and water compacting after, fill water by described hollow column again, and weld with described grounding flat steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310038350.2A CN103117459B (en) | 2013-01-31 | 2013-01-31 | Reinforced grounding current diffusion device of power transmission line tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310038350.2A CN103117459B (en) | 2013-01-31 | 2013-01-31 | Reinforced grounding current diffusion device of power transmission line tower |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103117459A CN103117459A (en) | 2013-05-22 |
| CN103117459B true CN103117459B (en) | 2015-07-15 |
Family
ID=48415769
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310038350.2A Active CN103117459B (en) | 2013-01-31 | 2013-01-31 | Reinforced grounding current diffusion device of power transmission line tower |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103117459B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103825113B (en) * | 2014-03-17 | 2016-04-20 | 国家电网公司 | High soil resistivity earthing device |
| CN106229701A (en) * | 2016-08-01 | 2016-12-14 | 国家电网公司华中分部 | A kind of installation method of graphite-based flexible ground body |
| CN106226358B (en) * | 2016-09-08 | 2023-05-26 | 上海市特种设备监督检验技术研究院 | Detector for buried steel pipe outer anti-corrosion layer and detection method thereof |
| CN109037983A (en) * | 2018-08-24 | 2018-12-18 | 武汉中洋博宇科技发展有限公司 | A kind of collection section formula grounding body |
| CN112821094B (en) * | 2021-01-06 | 2022-11-29 | 广东电网有限责任公司惠州供电局 | Grounding device and method for reducing impact grounding impedance |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GR1002738B (en) * | 1996-07-10 | 1997-07-28 | Giorgio Mosti | Earthing electrode for earthing installations |
| CN2733631Y (en) * | 2004-11-03 | 2005-10-12 | 孔庆林 | Integrally connecting expandable graphite nonmetal grounding device |
| CN101414711A (en) * | 2008-11-13 | 2009-04-22 | 张远鹏 | Metal grounding module |
| CN203225354U (en) * | 2013-01-31 | 2013-10-02 | 广西电网公司电力科学研究院 | Electric transmission line pole tower reinforced grounding current divergence device |
-
2013
- 2013-01-31 CN CN201310038350.2A patent/CN103117459B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GR1002738B (en) * | 1996-07-10 | 1997-07-28 | Giorgio Mosti | Earthing electrode for earthing installations |
| CN2733631Y (en) * | 2004-11-03 | 2005-10-12 | 孔庆林 | Integrally connecting expandable graphite nonmetal grounding device |
| CN101414711A (en) * | 2008-11-13 | 2009-04-22 | 张远鹏 | Metal grounding module |
| CN203225354U (en) * | 2013-01-31 | 2013-10-02 | 广西电网公司电力科学研究院 | Electric transmission line pole tower reinforced grounding current divergence device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103117459A (en) | 2013-05-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103117459B (en) | Reinforced grounding current diffusion device of power transmission line tower | |
| CN101728661A (en) | Monitoring low-resistance module grounding device | |
| CN201498612U (en) | Earthing device for reducing earth resistance of power transmission line by utilizing tower foundation | |
| CN103215946A (en) | Electroosmosis electrode and electroosmosis draining system thereof | |
| CN203423263U (en) | Grounding device of reducing power transmission line grounding resistance | |
| CN107910663B (en) | A kind of grounding net of transformer substation and its design method of Frozen Ground Area | |
| CN103594826A (en) | Conductive concrete module grounding grid | |
| CN203225354U (en) | Electric transmission line pole tower reinforced grounding current divergence device | |
| CN102437437B (en) | Grounding resistance reduction process method for sand/gravel area | |
| CN201294271Y (en) | Grounding device capable of monitoring low resistance module | |
| CN201383556Y (en) | Deep well grounding resistance-reducing device | |
| CN101740886A (en) | Anti-corrosion grounding device and construction method thereof | |
| CN203277665U (en) | Grounding wire device | |
| CN205875130U (en) | Reduce underground substation ground resistance's building pile foundation | |
| RU188937U1 (en) | ACTIVE GROUNDING DEVICE | |
| CN107959135A (en) | A kind of novel integrated earthed system and construction method based on more performances | |
| CN203850448U (en) | 10kV power distribution network grounding rod | |
| CN202772276U (en) | Pole-tower lightning protection grounding device | |
| CN203910988U (en) | Cage type structure anticorrosion resistance reducing grounding pole suitable for small grounding net | |
| CN103579786B (en) | A kind of module reducing grounded screen electric resistance | |
| CN202523855U (en) | Grounding body for reducing grounding resistance of wind driven generator | |
| CN202395168U (en) | Grounding device | |
| CN207217803U (en) | Complete web-like no-welding low-voltage ground device | |
| CN102610934B (en) | Construction method for reducing ground resistance of wind driven generator | |
| CN207009687U (en) | Environment-protective ion earthing or grounding means |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |