CN209200168U - A kind of transmission tower earthing or grounding means - Google Patents
A kind of transmission tower earthing or grounding means Download PDFInfo
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- CN209200168U CN209200168U CN201822048766.3U CN201822048766U CN209200168U CN 209200168 U CN209200168 U CN 209200168U CN 201822048766 U CN201822048766 U CN 201822048766U CN 209200168 U CN209200168 U CN 209200168U
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Abstract
A kind of transmission tower earthing or grounding means, including horizontal grounding net and horizontal rays grounding body, horizontal rays grounding body is connect with horizontal grounding net, horizontal grounding net is square, horizontal rays grounding body is four, and horizontal rays grounding body is each passed through four vertex of horizontal grounding net and is located on horizontal grounding net diagonal line;A grading ring is respectively set close to four apexes inside horizontal grounding net, each vertex of horizontal grounding net is equal at a distance from corresponding grading ring, and an inhibition ring is respectively set close to four apexes outside horizontal grounding net;Each horizontal rays grounding body passes through a vertex of horizontal grounding net, and one end is connected with corresponding grading ring, and the other end is connected with corresponding inhibition ring.The utility model can be effectively reduced the ground resistance and contact voltage of each shaft tower of transmission line of electricity, it can guarantee shaft tower surrounding people's safety, reduce transmission tower earthing or grounding means occupied area, so that the ground resistance around each column foot is evenly distributed, it is ensured that measurement of Grounding Resistance accuracy.
Description
Technical field
The utility model relates to electric system technical field of electric power transmission more particularly to a kind of transmission tower earthing or grounding means.
Background technique
Transmission tower earthing or grounding means is the important component of transmission line of electricity, is the general name of grounding body and down conductor,
It, which is acted on, is to ensure that lightning current reliably leaks into the earth, with the insulation of protection circuit equipment, reduces lightning outage rate, improves line
The operational reliability on road and avoid because step voltage generate personal injury.
The general of existing high-voltage transmission line towers uses horizontal rays grounding body, relies primarily on lengthening horizontal rays and connects
The length of ground body reduces ground resistance, is primarily present two problems in practical applications: (1) it is big to excavate difficulty for soil, especially
It is in mountain area or to need the place densely populated across plant area, residential block etc., the limitation in space can be very prominent, causes not
Ground resistance can be reduced in the way of conventional lengthening horizontal rays ground connection body length, be designed and be transformed, be grounded
Resistance generally can not meet the requirement of electrical safety regulation, once route occur lightning stroke or power-frequency overvoltage, it will formed across
Voltage and contact voltage are walked, the safety of surrounding people is seriously threatened.(2) in general actual measurement, one is often only measured
The ground resistance of column foot, but since surrounding electric field is unevenly distributed, the grounding resistance that will lead to four column foots differs greatly, only
Measuring the ground resistance of one of column foot, to will lead to obtained grounding resistance error very big.
Utility model content
The utility model aim is to solve above-mentioned technical problem, to provide a kind of transmission tower earthing or grounding means.
The utility model is achieved through the following technical solutions:
A kind of transmission tower earthing or grounding means, including horizontal grounding net 1 and horizontal rays grounding body 2, the horizontal rays connect
Ground body 2 is connect with horizontal grounding net 1, and the utility model proposes the horizontal grounding nets 1 to be square, the horizontal rays ground connection
Body 2 be four, the horizontal rays grounding body 2 be each passed through 1 four vertex of horizontal grounding net and be located at horizontal grounding net 1 it is right
On linea angulata;A grading ring is respectively set close to four apexes in 1 inside of horizontal grounding net, and the horizontal grounding net 1 is each
A vertex is equal at a distance from corresponding grading ring, and 1 outside of horizontal grounding net is respectively set one close to four apexes
Inhibit ring;Each horizontal rays grounding body 2 passes through a vertex of horizontal grounding net 1, and one end is connected with corresponding grading ring,
The other end is connected with corresponding inhibition ring.
Further, the grading ring includes that the first grading ring 31, the second grading ring 32, third grading ring 33 and the 4th are equal
Pressure ring 34;The inhibition ring includes that the first inhibition ring 41, second inhibits ring 42, third to inhibit ring 43 and the 4th inhibition ring 44.
Further, four vertex of the horizontal grounding net 1 are respectively the first vertex A, the second vertex B, third vertex
C, the 4th vertex D, the first vertex A are first distance D1, the second vertex B and second at a distance from the first grading ring 31
The distance of grading ring 32 is second distance D2, and the third vertex C is third distance D3 at a distance from third grading ring 33, described
4th vertex D is the 4th distance D4, the first distance D1, second distance D2, third distance at a distance from the 4th grading ring 34
D3, the 4th distance D4 are equal.
Further, the first vertex A inhibits to be the 5th distance D5, the second vertex B at a distance from ring 41 with first
Inhibit to be the 6th distance D6 at a distance from ring 42 with second, the third vertex C inhibits to be the 7th distance at a distance from ring 43 with third
D7, the 4th vertex D with the 4th inhibit ring 44 at a distance from be the 8th distance D8, the 5th distance D5, the 6th distance D6,
7th distance D7, the 8th distance D8 are equal.
Further, 31 outer diameter of the first grading ring, 32 outer diameter of the second grading ring, 33 outer diameter of third grading ring, the 4th
34 outer diameter of grading ring is equal.
Further, each horizontal rays grounding body 2 is equal in length.
Further, described first inhibits 41 outer diameter of ring, second that 42 outer diameter of ring, third is inhibited to inhibit 43 outer diameter of ring, the 4th
44 outer diameter of ring is inhibited to be equal.
Further, 1 surface of horizontal grounding net, each 2 surface of horizontal rays grounding body, 31 table of the first grading ring
Face, 32 surface of the second grading ring, 33 surface of third grading ring, 34 surface of the 4th grading ring, first inhibit 41 surface of ring, the second suppression
42 surface of ring, third inhibition 43 surface of ring and the 4th inhibition 44 surface of ring processed are respectively provided with erosion resistant coating.
Compared with prior art, the utility model mainly has the beneficial effect that: (1) transmission tower of the prior art is grounded dress
It sets and generallys use the mode for lengthening horizontal rays ground connection body length and reduce ground resistance, it is big to excavate difficulty so as to cause soil,
The limitation in the space increased.The utility model overcomes the technology prejudice of the prior art, is arranged outside horizontal grounding net
Multiple inhibition rings, each inhibition ring are connect with horizontal rays grounding body end, and each bar of transmission line of electricity can either be effectively reduced
The ground resistance and contact voltage of tower so that shaft tower surrounding people's safety can either be guaranteed by realizing, and can reduce transmission tower
The occupied area of earthing or grounding means reduces soil and excavates difficulty.(2) usually there is shaft tower in the transmission tower earthing or grounding means of the prior art
Column foot non-uniform electric, the problem of causing the grounding resistance of four column foots to differ greatly, the utility model passes through in water
It flushes and multiple grading rings is set inside earth mat, each grading ring is connect with horizontal rays grounding body beginning, and grading ring is located at bar
In tower foundation surrounding soil, make there is no potential difference between grading ring, so that each shaft tower column foot voltage's distribiuting is uniform, to make each
The ground resistance of a column foot is evenly distributed.Therefore, when measuring the ground resistance of transmission tower earthing or grounding means, it is only necessary to which measurement is appointed
It anticipates the ground resistance of a shaft tower column foot, and the measurement error of ground resistance will greatly reduce.Measurement ground connection can either be saved
The time of resistance, and can ensure the accuracy of measurement of Grounding Resistance.(3) the utility model structure is simple, and manufacturing cost is cheap,
It can guarantee shaft tower surrounding people safety, reduce the occupied area of tower grounding device, ensure the accuracy of measurement of Grounding Resistance,
It is used conveniently and safely, there is market application prospect.
Detailed description of the invention
FIG. 1 is a schematic structural view of the utility model
In figure:
1- horizontal grounding net;2- horizontal rays grounding body;The first grading ring of 31-;The second grading ring of 32-;33- third is pressed
Ring;The 4th grading ring of 34-;41- first inhibits ring;42- second inhibits ring;43- third inhibits ring;44- the 4th inhibits ring;
Specific embodiment
The utility model is described in further details with reference to the accompanying drawings of the specification.
Such as Fig. 1, a kind of transmission tower earthing or grounding means, including horizontal grounding net 1 and horizontal rays grounding body 2, the level
Ray grounding body 2 is connect with horizontal grounding net 1, and the utility model proposes the horizontal grounding nets 1 to be square, and the level is penetrated
Line grounding body 2 is four, and the horizontal rays grounding body 2 is each passed through 1 four vertex of horizontal grounding net and is located at horizontal grounding
On 1 diagonal line of net;A grading ring, the horizontal grounding is respectively set close to four apexes in 1 inside of horizontal grounding net
The each vertex of net 1 is equal at a distance from corresponding grading ring, and 1 outside of horizontal grounding net is respectively set close to four apexes
One inhibition ring;Each horizontal rays grounding body 2 passes through a vertex of horizontal grounding net 1, one end and corresponding grading ring
Connection, the other end are connected with corresponding inhibition ring.
Specifically, the horizontal grounding net 1 is square, and the horizontal rays grounding body 2 is four, and the level is penetrated
Line grounding body 2 is each passed through 1 four vertex of horizontal grounding net and is located on 1 diagonal line of horizontal grounding net;The horizontal grounding net 1
It is internal to be respectively set a grading ring close to four apexes, each vertex of the horizontal grounding net 1 and corresponding grading ring away from
From being equal, the grading ring is located in pole and tower foundation surrounding soil, and the grading ring can make do not have current potential between grading ring
Difference, so that each shaft tower column foot voltage's distribiuting is uniform, so that the grounding resistance of each shaft tower column foot be made to be evenly distributed.Therefore,
When measuring the ground resistance of transmission tower earthing or grounding means, it is only necessary to measure the ground resistance of any one shaft tower column foot, energy
The accuracy for enough ensuring measurement of Grounding Resistance greatly reduces the measurement error of ground resistance.
Specifically, each horizontal rays grounding body 2 can be by lightning current diffusing to the aerial drainage for greatly, accelerating lightning current
Speed.
Specifically, each horizontal rays grounding body 2 pass through horizontal grounding net 1 a vertex, the other end with it is corresponding
Inhibit ring connection, can be effectively reduced ground resistance, ground potential and the contact voltage of each shaft tower of transmission line of electricity, guarantees shaft tower week
Enclose the safety of personnel.
Specifically, each horizontal rays grounding body 2 pass through horizontal grounding net 1 a vertex, the other end with it is corresponding
Inhibit ring connection, the length of horizontal rays grounding body 2 can be reduced, to reduce the occupied area of tower grounding device, reduces
Excavate difficulty in soil.
Further, the grading ring includes that the first grading ring 31, the second grading ring 32, third grading ring 33 and the 4th are equal
Pressure ring 34;The inhibition ring includes that the first inhibition ring 41, second inhibits ring 42, third to inhibit ring 43 and the 4th inhibition ring 44.
Specifically, four vertex of the horizontal grounding net 1 be respectively the first vertex A, the second vertex B, third vertex C,
4th vertex D, the first vertex A are first distance D1, the second vertex B and second at a distance from the first grading ring 31
The distance of grading ring 32 is second distance D2, and the third vertex C is third distance D3 at a distance from third grading ring 33, described
4th vertex D is the 4th distance D4, the first distance D1, second distance D2, third distance at a distance from the 4th grading ring 34
D3, the 4th distance D4 are equal.
Further, the first vertex A inhibits to be the 5th distance D5, the second vertex B at a distance from ring 41 with first
Inhibit to be the 6th distance D6 at a distance from ring 42 with second, the third vertex C inhibits to be the 7th distance at a distance from ring 43 with third
D7, the 4th vertex D with the 4th inhibit ring 44 at a distance from be the 8th distance D8, the 5th distance D5, the 6th distance D6,
7th distance D7, the 8th distance D8 are equal.
Further, 31 outer diameter of the first grading ring, 32 outer diameter of the second grading ring, 33 outer diameter of third grading ring, the 4th
34 outer diameter of grading ring is equal.
Further, each horizontal rays grounding body 2 is equal in length.
Further, described first inhibits 41 outer diameter of ring, second that 42 outer diameter of ring, third is inhibited to inhibit 43 outer diameter of ring, the 4th
44 outer diameter of ring is inhibited to be equal.
Further, 1 surface of horizontal grounding net, each 2 surface of horizontal rays grounding body, 31 table of the first grading ring
Face, 32 surface of the second grading ring, 33 surface of third grading ring, 34 surface of the 4th grading ring, first inhibit 41 surface of ring, the second suppression
42 surface of ring, third inhibition 43 surface of ring and the 4th inhibition 44 surface of ring processed are respectively provided with erosion resistant coating, can be improved transmission tower and connect
Ground device corrosion resistance.
Preferably, the erosion resistant coating is hot dip galvanizing coating.
Preferably, the horizontal grounding net 1, each horizontal rays grounding body 2, the first grading ring 31, the second grading ring 32,
Third grading ring 33, the 4th grading ring 34, first inhibit ring 41, second that ring 42, third is inhibited to inhibit ring 43 and the 4th inhibition ring
44 be hot galvanizing angle steel material.
Specifically, the first distance D1, second distance D2, third distance D3, the 4th distance D4 are equal, and the described 5th
Distance D5, the 6th distance D6, the 7th distance D7, the 8th distance D8 are equal, 31 outer diameter of the first grading ring, the second grading ring
32 outer diameters, 33 outer diameter of third grading ring, 34 outer diameter of the 4th grading ring are equal, the length of each horizontal rays grounding body 2
It is equal, described first inhibits 41 outer diameter of ring, second to inhibit 42 outer diameter of ring, third that 43 outer diameter of ring, the 4th is inhibited to inhibit outside ring 44
Diameter is equal, and the grounding resistance of each shaft tower column foot can be made to be evenly distributed, can be effectively reduced earthing device of power transmission line
The ground resistance of each shaft tower can make to damage by pressure, horizontal rays grounding body 2 and ring be inhibited preferably to play a role.
The above is only the preferred embodiments of the present utility model only, is not intended to limit the utility model, all according to this
Any modification and equivalent variations that the technical spirit of utility model is made, should be included in the protection scope of the utility model it
It is interior.
Claims (8)
1. a kind of transmission tower earthing or grounding means, including horizontal grounding net (1) and horizontal rays grounding body (2), the horizontal rays
Grounding body (2) is connect with horizontal grounding net (1), it is characterised in that: the horizontal grounding net (1) is square, and the level is penetrated
Line grounding body (2) is four, and the horizontal rays grounding body (2) is each passed through (1) four vertex of horizontal grounding net and is located at water
It flushes on earth mat (1) diagonal line;The horizontal grounding net (1) is internal to be respectively set a grading ring, institute close to four apexes
It states horizontal grounding net (1) each vertex to be equal at a distance from corresponding grading ring, the horizontal grounding net (1) is external close to four
An inhibition ring is respectively set in apex;Each horizontal rays grounding body (2) passes through a top of horizontal grounding net (1)
Point, one end are connected with corresponding grading ring, and the other end is connected with corresponding inhibition ring.
2. a kind of transmission tower earthing or grounding means according to claim 1, it is characterised in that: the grading ring is pressed including first
Ring (31), the second grading ring (32), third grading ring (33) and the 4th grading ring (34);The inhibition ring includes the first inhibition ring
(41), second inhibits ring (42), third to inhibit ring (43) and the 4th inhibition ring (44).
3. a kind of transmission tower earthing or grounding means according to claim 2, it is characterised in that: the four of the horizontal grounding net (1)
A vertex is respectively the first vertex A, the second vertex B, third vertex C, the 4th vertex D, the first vertex A and the first grading ring
(31) distance is first distance D1, and the second vertex B is second distance D2 with the second grading ring (32) at a distance from, described the
Three vertex C are third distance D3 at a distance from third grading ring (33), and the 4th vertex D is at a distance from the 4th grading ring (34)
It is equal for the 4th distance D4, the first distance D1, second distance D2, third distance D3, the 4th distance D4.
4. a kind of transmission tower earthing or grounding means according to claim 3, it is characterised in that: the suppression of the first vertex A and first
The distance of ring (41) processed is the 5th distance D5, and the second vertex B inhibits to be the 6th distance D6, institute at a distance from ring (42) with second
Third vertex C is stated to inhibit to inhibit ring (44) at a distance from ring (43) for the 7th distance D7, the 4th vertex D and the 4th with third
Distance is the 8th distance D8, and the 5th distance D5, the 6th distance D6, the 7th distance D7, the 8th distance D8 are equal.
5. according to a kind of transmission tower earthing or grounding means of Claims 2 or 3 or 4, it is characterised in that: first grading ring
(31) outer diameter, the second grading ring (32) outer diameter, third grading ring (33) outer diameter, the 4th grading ring (34) outer diameter are equal.
6. a kind of according to claim 1 or 2 or 3 or 4 transmission tower earthing or grounding means, it is characterised in that: each level
Ray grounding body (2) are equal in length.
7. according to a kind of transmission tower earthing or grounding means of Claims 2 or 3 or 4, it is characterised in that: described first inhibits ring
(41) outer diameter, second inhibition ring (42) outer diameter, third inhibit ring (43) outer diameter, the 4th inhibition ring (44) outer diameter to be equal.
8. according to a kind of transmission tower earthing or grounding means of Claims 2 or 3 or 4, it is characterised in that: the horizontal grounding net
(1) surface, each horizontal rays grounding body (2) surface, the first grading ring (31) surface, the second grading ring (32) surface, third
Grading ring (33) surface, the 4th grading ring (34) surface, first inhibit ring (41) surface, second to inhibit ring (42) surface, third
Ring (43) surface and the 4th inhibition ring (44) surface is inhibited to be respectively provided with erosion resistant coating.
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CN201822048766.3U CN209200168U (en) | 2018-12-06 | 2018-12-06 | A kind of transmission tower earthing or grounding means |
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CN201822048766.3U CN209200168U (en) | 2018-12-06 | 2018-12-06 | A kind of transmission tower earthing or grounding means |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111682327A (en) * | 2020-06-09 | 2020-09-18 | 深圳供电局有限公司 | Grounding device |
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2018
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN111682327A (en) * | 2020-06-09 | 2020-09-18 | 深圳供电局有限公司 | Grounding device |
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
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: 20190802 Termination date: 20191206 |