CN108933341B - Tower grounding device - Google Patents
Tower grounding device Download PDFInfo
- Publication number
- CN108933341B CN108933341B CN201810710751.0A CN201810710751A CN108933341B CN 108933341 B CN108933341 B CN 108933341B CN 201810710751 A CN201810710751 A CN 201810710751A CN 108933341 B CN108933341 B CN 108933341B
- Authority
- CN
- China
- Prior art keywords
- connecting beam
- closed ring
- grounding
- grounding device
- tie
- 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
Images
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
- H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
- H01R4/58—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation characterised by the form or material of the contacting members
- H01R4/66—Connections with the terrestrial mass, e.g. earth plate, earth pin
Landscapes
- Elimination Of Static Electricity (AREA)
- Buildings Adapted To Withstand Abnormal External Influences (AREA)
Abstract
The invention provides a tower grounding device which comprises a first connecting beam, a second connecting beam, a grounding plate and a grounding divergent ball, wherein the first connecting beam is provided with a plurality of connecting beams, the first connecting beam is connected end to form a closed ring, the connecting position of the first connecting beam is provided with the second connecting beam, one end of the second connecting beam is positioned in the closed ring, the other end of the second connecting beam is positioned outside the closed ring, the grounding plate is arranged at one end of the second connecting beam positioned in the closed ring, the grounding divergent ball is arranged at one end of the second connecting beam positioned outside the closed ring, and the second connecting beam and the plane where the closed ring is positioned form a certain angle. The plane that is the closed ring place that forms second tie-beam and first tie-beam is certain angle setting, makes the slope of second tie-beam downwards, can improve earthing device lead thunder performance, and the second tie-beam extends to the closed ring outside by the inboard slant downwardly sloping of closed ring, and radial the arranging has increased earthing device's effective sectional area, has improved earthing device's lightning protection efficiency.
Description
Technical Field
The invention belongs to the technical field of power transmission line construction, and particularly relates to a tower grounding device.
Background
With the continuous increase of the electric quantity transmission capacity of a power grid, when a power transmission line breaks down, the size of short-circuit current is also continuously increased, and meanwhile, the overhead power transmission line can break down the grounding short circuit of an insulator under the conditions of lightning stroke or various internal overvoltage, pollution flashover, bird rooms and the like.
At present, a grounding device of a power transmission line tower comprises a grounding body and a grounding down lead. The grounding body is also called a grounding electrode, and refers to a metal conductor which is buried in the ground and directly contacts with the soil, and is used for discharging current to the ground. The grounding down lead is a wire used for connecting the lightning conductor and the grounding body, has the function of conducting lightning current on the lightning conductor, flows into the ground through the grounding body, and is an important part for preventing the transmission line from being tripped by lightning stroke, so that the grounding device must be reliable and effective to reduce the lightning stroke tripping rate of the transmission line.
The existing grounding equipment mainly has the following problems:
1. the grounding device has simple structure, solidified form and poor lightning protection effect;
2. the contact area between the grounding electrode of the grounding device and the soil is small, and the requirement of large current on releasing to the ground cannot be met;
3. the grounding device can not collect the leakage current generated in the lightning stroke, the lightning protection leakage current efficiency is low, and certain potential safety hazards exist.
Disclosure of Invention
The second connecting beam extends from the inner side of the closed ring to the outer side of the closed ring in a downward inclined mode and is arranged in a radial mode, the effective sectional area of the grounding device is increased, and the lightning protection efficiency of the grounding device is improved.
The invention is realized by the following technical scheme:
the utility model provides a shaft tower earthing device, includes that first tie-beam, second tie-beam, ground plate and ground connection diverge the ball, first tie-beam is equipped with many, first tie-beam end to end connection encloses into the closed loop, the junction of first tie-beam is equipped with the second tie-beam, the one end of second tie-beam is located the closed loop, and the other end is located outside the closed loop, the one end that the second tie-beam is located the closed loop is equipped with the ground plate, the one end that the second tie-beam is located the closed loop is equipped with the ground connection and diverges the ball, the second tie-beam is certain angle setting with the plane at closed loop place. The plane that is the closed ring place that forms second tie-beam and first tie-beam is certain angle setting, makes the slope of second tie-beam downwards, can improve earthing device lead thunder performance, and the second tie-beam extends to the closed ring outside by the inboard slant downwardly sloping of closed ring, and radial the arranging has increased earthing device's effective sectional area, has improved earthing device's lightning protection efficiency.
And the first connecting beam and the second connecting beam are welded or integrally formed. The first connecting beam and the second connecting beam are welded together to be integrated, or the first connecting beam and the second connecting beam are directly integrally formed, so that the integration between adjacent parts can be increased, and the lightning guiding performance is improved.
The second connecting beam comprises a horizontal section and an inclined section, one end of the horizontal section is connected with the ground plate, the other end of the horizontal section is connected with the inclined section, one end of the inclined section is connected with the horizontal section, and the other end of the inclined section is connected with the grounding divergence ball. Set the second tie-beam into two parts, partly is the horizontal segment, and another part sets up the horizontal segment for the slope section, can increase the collection effect to nearly ground thunderbolt, sets up the slope section, can strengthen the lightning conduction flow field type of second tie-beam, carries the thunderbolt of collecting to the earthing device bottom jointly.
The included angle between the second connecting beam and the plane where the closed ring is located is more than or equal to 30 degrees and less than or equal to 60 degrees. The inclination angle of the second connecting beam is set between 30 degrees and 60 degrees, so that the smoothness of the lightning guiding can be guaranteed, and the effective sectional area of the grounding device can be guaranteed.
And an included angle between the second connecting beam and the plane where the closed ring is located is 45 degrees. An included angle between the second connecting beam and a plane where the closed ring is located is set to be 45 degrees, and the maximum lightning guiding performance and the enough effective sectional area can be achieved.
The ground plate is arranged perpendicular to the second connecting beam. The ground plate sets up with the second tie-beam is perpendicular, can play certain fixed action to the second tie-beam after burying underground the completion, avoids the second tie-beam the slip phenomenon to appear, influences the stability of being connected with the shaft tower, reduces the lightning protection effect.
The ground connection is diverged the ball and is included the spheroid and is diverged the pole, the spheroid is fixed at the end of second tie-beam, be equipped with a plurality of poles of diverging on the spheroid, it is radial to set up on the spheroid to diverge the pole, it sets up to slope down to diverge the pole. The bottom of the grounding device is provided with the dispersing ball, so that the contact area with the ground can be increased, lightning stroke can be timely and effectively evacuated, and the use safety is ensured.
The tail end of the divergent rod is provided with a rod tip. The tail end of the dispersing rod is provided with the rod tip, so that the discharging performance of the dispersing rod can be improved, and the use safety is ensured.
The closed ring is polygonal. The first connecting beams are surrounded into a polygon, the tower is surrounded, lightning stroke leakage is avoided, and use safety is improved.
And the surfaces of the first connecting beam, the second connecting beam, the grounding plate and the grounding divergent ball are provided with conductive paste coatings. Set up electrically conductive cream coating, can effectual increase earthing device's electrically conductive effect, reduced contact resistance, improve lightning protection effect.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the tower grounding device, the plane where the closed ring formed by the second connecting beam and the first connecting beam is located is arranged at a certain angle, so that the second connecting beam is inclined downwards, the lightning conduction performance of the grounding device can be improved, the second connecting beam extends downwards from the inner side of the closed ring to the outer side of the closed ring in an inclined mode, and is arranged in a radial mode, the effective sectional area of the grounding device is increased, and the lightning protection efficiency of the grounding device is improved;
2. according to the tower grounding device, the first connecting beam and the second connecting beam are welded together to form a whole, or the first connecting beam and the second connecting beam are directly and integrally formed, so that the integrity between adjacent parts can be increased, and the lightning guiding performance is improved;
3. according to the tower grounding device, the second connecting beam is arranged into two parts, one part is a horizontal section, the other part is an inclined section, the horizontal section is arranged, the effect of collecting lightning strikes close to the ground can be improved, the inclined section is arranged, the lightning conduction flow field pattern of the second connecting beam can be enhanced, and the collected lightning strikes are jointly transmitted to the bottom of the grounding device;
4. according to the tower grounding device, the inclination angle of the second connecting beam is set between 30 degrees and 60 degrees, so that the smoothness of lightning guiding can be ensured, and the effective sectional area of the grounding device can be ensured;
5. according to the tower grounding device, the grounding plate is perpendicular to the second connecting beam, so that the second connecting beam can be fixed to a certain extent after being buried, the second connecting beam is prevented from sliding, the connection stability with a tower is prevented from being influenced, and the lightning protection effect is reduced;
6. according to the tower grounding device, the dispersing ball is arranged at the bottom of the grounding device, so that the contact area with the ground can be increased, lightning stroke can be effectively evacuated in time, the use safety is ensured, the tail end of the dispersing rod is provided with the rod tip, the discharge performance of the dispersing rod can be improved, and the use safety is ensured.
Drawings
FIG. 1 is a schematic top view of the present invention;
FIG. 2 is a schematic side view of the present invention;
FIG. 3 is a schematic view of a second coupling beam structure of the present invention;
FIG. 4 is a structural schematic of the needling position of the present invention;
FIG. 5 is a side view schematic of the grounded diverging sphere of the present invention;
FIG. 6 is a schematic top view of the grounded diverging sphere of the present invention;
FIG. 7 is a schematic view of the cross-sectional structure C-C of FIG. 4;
the device comprises a first connecting beam 1, a first connecting beam 2, a ground plate 3, a second connecting beam 4, a ground diverging ball 5, a horizontal section 6, an inclined section 7, a ball body 8, a diverging rod 9 and needling.
Detailed Description
The invention is described in further detail below with reference to the accompanying drawings:
as shown in fig. 1-2, a tower grounding device includes a first connecting beam 1, a second connecting beam 3, a ground plate 2 and a grounding divergent sphere 4, wherein the first connecting beam 1 has a plurality of beams, the first connecting beam 1 is connected end to form a closed ring, and the closed ring is polygonal. Enclose into polygon with first tie-beam 1, surround the shaft tower, avoid the thunderbolt earial drainage, improved the security of using, in this application, the closed loop is the quadrangle. The connecting part of the first connecting beams 1 is provided with second connecting beams 3, namely the connecting part of two adjacent first connecting beams 1 is provided with the second connecting beams 3, one end of each second connecting beam 3 is positioned in the closed ring, the other end of each second connecting beam is positioned outside the closed ring, one end of each second connecting beam 3, which is positioned in the closed ring, is provided with a ground plate 2, one end of each second connecting beam 3, which is positioned outside the closed ring, is provided with a ground divergence ball 4, and the second connecting beams 3 and the plane where the closed ring is positioned are arranged at a certain angle alpha. The plane at the closed ring place that forms second tie-beam 3 and first tie-beam 1 is certain angle setting, makes second tie-beam 3 slope downwards, can improve earthing device's the thunder performance of leading, and second tie-beam 3 extends to the closed ring outside by the inboard slant downwardly sloping of closed ring, and radial the arranging has increased earthing device's effective sectional area, has improved earthing device's lightning protection efficiency.
The first connecting beam 1 and the second connecting beam 3 are welded or integrally formed. The first connecting beam 1 and the second connecting beam 3 are welded together to form a whole, or the first connecting beam 1 and the second connecting beam 3 are directly integrally formed, so that the integrity between adjacent parts can be increased, and the lightning guiding performance is improved. In the application, the first connecting beam 1 and the second connecting beam 3 are connected by welding.
As shown in fig. 3, the second connecting beam 3 includes a horizontal section 5 and an inclined section 6, one end of the horizontal section 5 is connected with the ground plate 2, the other end of the horizontal section is connected with the inclined section 6, one end of the inclined section 6 is connected with the horizontal section 5, and the other end of the inclined section is connected with the ground divergence ball 4. Set second tie-beam 3 into two parts, partly be horizontal segment 5, another part is slope section 6, sets up horizontal segment 5, can increase the collection effect to nearly ground thunderbolt, sets up slope section 6, can strengthen the lightning conduction flow field type of second tie-beam 3, carries the thunderbolt of collecting to the earthing device bottom jointly.
As shown in FIG. 2, the included angle alpha between the second connecting beam 3 and the plane where the closed ring is located is more than or equal to 30 degrees and less than or equal to 60 degrees. The inclination angle of the second connecting beam 3 is set between 30 degrees and 60 degrees, namely alpha is more than or equal to 30 degrees and less than or equal to 60 degrees, so that the fluency of the lightning conduction can be ensured, and the effective sectional area of the grounding device can be ensured. And an included angle alpha between the second connecting beam 3 and the plane where the closed ring is located is 45 degrees. An included angle between the second connecting beam 3 and a plane where the closed ring is located is set to be 45 degrees, and the maximum lightning guiding performance and the enough effective sectional area can be achieved.
The ground plate 2 is arranged perpendicular to the second connection beam 3. The ground plate 2 is perpendicular to the second connecting beam 3, and can play certain fixed action to the second connecting beam 3 after burying underground and finishing, avoid the second connecting beam 3 to appear sliding phenomenon, influence and shaft tower's stability of being connected, reduce the lightning protection effect.
As shown in fig. 5-6, the ground connection divergence ball 4 comprises a ball body 7 and divergence rods 8, the ball body 7 is fixed at the end of the second connecting beam 3, a plurality of divergence rods 8 are arranged on the ball body 7, the divergence rods 8 are radially arranged on the ball body 7, and the divergence rods 8 are arranged in a downward inclined manner. The bottom of the grounding device is provided with the dispersing ball, so that the contact area with the ground can be increased, lightning stroke can be timely and effectively evacuated, and the use safety is ensured. The tail end of the divergent rod 8 is provided with a rod tip. The tail end of the dispersing rod 8 is provided with a rod tip, so that the discharging performance of the dispersing rod 8 can be improved, and the use safety is ensured.
And the surfaces of the first connecting beam 1, the second connecting beam 3, the grounding plate 2 and the grounding divergent ball 4 are provided with conductive paste coatings. Set up electrically conductive cream coating, can effectual increase earthing device's electrically conductive effect, reduced contact resistance, improve lightning protection effect.
As shown in fig. 4 and 7, the second connection beam 3 is provided with the acupuncture 9, the acupuncture 9 is arranged at one end of the second connection beam 3, which is located at the outer side of the closed ring, and the acupuncture 9 is arranged on the second connection beam 3, so that the shunt acupuncture 9 can be increased, the current can be rapidly introduced into the soil, and the current dissipation capability of the grounding device can be improved. Acupuncture 9 equipartition on the second connecting rod, just acupuncture 9 is gone to the outside on the surface of second tie-beam 3 and is dispersed the setting, with acupuncture 9 equipartition, and disperses the setting, makes the scattered current effect more even, has reduced earthing device's ground resistance, has improved the ground connection effect.
The above-described embodiment is only one embodiment of the present invention, and it will be apparent to those skilled in the art that various modifications and variations can be easily made based on the application and principle of the present invention disclosed in the present application, and the present invention is not limited to the method described in the above-described embodiment of the present invention, so that the above-described embodiment is only preferred, and not restrictive.
Claims (10)
1. A tower grounding device is characterized by comprising a first connecting beam, a second connecting beam, a grounding plate and a grounding divergence ball, wherein the first connecting beam is provided with a plurality of connecting beams, the first connecting beam is connected end to form a closed ring, the connecting position of the first connecting beam is provided with the second connecting beam, one end of the second connecting beam is positioned in the closed ring, the other end of the second connecting beam is positioned outside the closed ring, the grounding plate is arranged at one end of the second connecting beam positioned in the closed ring, the grounding divergence ball is arranged at one end of the second connecting beam positioned outside the closed ring, and the second connecting beam and the plane of the closed ring are arranged at a certain angle;
the second connecting beam is provided with acupuncture, the acupuncture is arranged at one end, located on the outer side of the closed ring, of the second connecting beam, the acupuncture is uniformly distributed on the second connecting beam, and the acupuncture is diverged towards the outer side on the outer surface of the second connecting beam.
2. The tower grounding device as claimed in claim 1, wherein the first connecting beam and the second connecting beam are welded or integrally formed.
3. The tower grounding device as claimed in claim 1, wherein the second connecting beam comprises a horizontal section and an inclined section, one end of the horizontal section is connected with the grounding plate, the other end of the horizontal section is connected with the inclined section, one end of the inclined section is connected with the horizontal section, and the other end of the inclined section is connected with the grounding divergent ball.
4. The tower grounding device as claimed in claim 1, wherein the angle between the second connecting beam and the plane in which the closed loop is located is 30 ° or more and 60 ° or less.
5. A tower grounding device as claimed in claim 4, wherein the angle between the second connecting beam and the plane of the closed loop is 45 °.
6. The tower grounding device as claimed in claim 1, wherein the grounding plate is disposed perpendicular to the second connecting beam.
7. The tower grounding device as claimed in claim 1, wherein the grounding divergent sphere comprises a sphere and divergent rods, the sphere is fixed at the end of the second connecting beam, a plurality of divergent rods are arranged on the sphere, the divergent rods are radially arranged on the sphere, and the divergent rods are inclined downwards.
8. A tower grounding device as claimed in claim 7 wherein the divergent pole terminates in a pole tip.
9. The tower grounding device of claim 1, wherein the closed ring is polygonal.
10. The tower grounding device of claim 1, wherein the surfaces of the first connecting beam, the second connecting beam, the grounding plate and the grounding divergent sphere are provided with a conductive paste coating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810710751.0A CN108933341B (en) | 2018-07-03 | 2018-07-03 | Tower grounding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810710751.0A CN108933341B (en) | 2018-07-03 | 2018-07-03 | Tower grounding device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108933341A CN108933341A (en) | 2018-12-04 |
| CN108933341B true CN108933341B (en) | 2020-11-06 |
Family
ID=64447656
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810710751.0A Active CN108933341B (en) | 2018-07-03 | 2018-07-03 | Tower grounding device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108933341B (en) |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20090090868A (en) * | 2008-02-22 | 2009-08-26 | 노이즈프리미어랩 주식회사 | Grounding apparatus |
| CN201975524U (en) * | 2011-04-29 | 2011-09-14 | 贵州电网公司输电运行检修分公司 | Arrangement structure for lightning protection grounding device of power tower |
| CN202352841U (en) * | 2011-12-14 | 2012-07-25 | 重庆市潼南县供电有限责任公司 | Multipole grounding device for power transmission line tower |
| CN103326139B (en) * | 2013-06-08 | 2015-04-01 | 三峡大学 | Hollow aluminum alloy tube grounding device capable of being assembled |
| CN203423263U (en) * | 2013-06-21 | 2014-02-05 | 四川省电力公司内江电业局 | Grounding device of reducing power transmission line grounding resistance |
| CN105206949B (en) * | 2014-06-24 | 2017-09-12 | 国网山西省电力公司晋城供电公司 | A kind of electric power line pole tower earthing or grounding means |
-
2018
- 2018-07-03 CN CN201810710751.0A patent/CN108933341B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN108933341A (en) | 2018-12-04 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108521031B (en) | A kind of tower grounding device | |
| CN108933341B (en) | Tower grounding device | |
| CN201504018U (en) | Lateral lightning rod for power transmission line | |
| CN102751661A (en) | Dual-electrode based lightning protection method and lightning rod | |
| CN207597990U (en) | A kind of transmission line of alternation current single loop tangent tower with arrester | |
| CN215107821U (en) | Improved generation flexible direct current transmission line tangent tower | |
| CN109638483A (en) | A kind of novel tree root shape structure spark thorn | |
| CN210577338U (en) | Lightning protection device of power transmission and transformation station | |
| CN205863643U (en) | A kind of skyscraper power circuit facility discharging rod | |
| CN105337240B (en) | Distribution line lightning arrester | |
| CN212062715U (en) | Grounding body convenient for fixing grounding wire | |
| CN203910988U (en) | Cage type structure anticorrosion resistance reducing grounding pole suitable for small grounding net | |
| CN207150138U (en) | Spiral coulomb force compresses draw thunder arc extinguishing ball | |
| CN105958224A (en) | Distribution transformer grounding structure | |
| CN210404075U (en) | Economic and practical 35KV line lightning arrester for mountain land | |
| CN205960229U (en) | Compound ground connection downlead of flexible graphite lightning ground connection | |
| CN205141156U (en) | It imitates to fall and hinders earthing device to join in marriage net height | |
| CN217335027U (en) | Lightning protection device suitable for medium-voltage distribution line full protection | |
| CN205960230U (en) | Flexible graphite lightning ground connection downlead | |
| CN210665825U (en) | Tower grounding down-leading device convenient for grounding resistance test | |
| CN211507930U (en) | Device for reducing corrosion of grounding device of power transmission line tower near pole site | |
| CN208337125U (en) | A kind of Coulomb force arc extinguishing ball of the anti-lightning strike direct flashover conducting wire of lightning conducter in span center | |
| CN204156118U (en) | A kind of lightning arrester for wind driven generator transformer and voltage transformer system | |
| CN209344337U (en) | A kind of novel tree root shape structure spark thorn | |
| CN203119408U (en) | Installation hardware fitting of circuit fixed clearance over-voltage protector |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |