CN206250402U - A kind of electric power pylon earthing or grounding means - Google Patents
A kind of electric power pylon earthing or grounding means Download PDFInfo
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- CN206250402U CN206250402U CN201621180605.4U CN201621180605U CN206250402U CN 206250402 U CN206250402 U CN 206250402U CN 201621180605 U CN201621180605 U CN 201621180605U CN 206250402 U CN206250402 U CN 206250402U
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- earthing
- electric power
- power pylon
- grounding
- down conductor
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Abstract
The utility model discloses a kind of electric power pylon earthing or grounding means, belong to transmission line construction technical field.The power transmission tower earthing or grounding means includes down conductor (1) and grounding body (2), one end of the down conductor (1) is fixed on the bottom of steel tower tower leg (3), and the other end of the down conductor (1) connects the grounding body (2)；The grounding body (2) includes at least two drop bars (21), and at least two drop bar (21) is connected along same straight line head and the tail.It is driven underground by by grounding body (2) is vertical, down conductor (1) is connected into grounding body (2) and steel tower tower leg (3) completes the installation of the earthing or grounding means, and need not take up area excessive around electric power pylon, therefore without carrying out secondary excavation around electric power pylon, so as to avoid because soil erosion causes electric power pylon earthing or grounding means to expose, the security of earthing or grounding means is improve.
Description
Technical field
The utility model is related to transmission line construction technical field, more particularly to a kind of electric power pylon earthing or grounding means.
Background technology
Transmission line of electricity is often subject to the influence of thunderbolt in rainy season.To avoid trip accident of the circuit caused by thunderbolt, circuit
In design, work progress, the leg of electric power pylon is generally provided with grounding body lightning current is introduced into the earth.
At present, in the work transmission line of China, generally using grounding bodies such as ring-like, radial types.And general annular, penetrate
Linear grounding body needs to occupy region larger around electric power pylon, therefore when installing, it is necessary first to carry out a digger
Make, fix iron tower of power transmission line, carry out mining again in electric power pylon surrounding afterwards, setting ground connection groove is used for mounting ring
Shape, radial type grounding body, and it is grounded the scope that the scope of groove is greater than electric power pylon bottom base.
During the utility model is realized, designer has found that prior art at least has problems with：
Because electric power pylon earthing or grounding means is larger in the prior art, therefore needed when electric power pylon earthing or grounding means is installed
Steel tower tower leg bottom periphery region carries out mining again work, not only increases workman's workload, also easily causes steel tower peripheral region
There is soil erosion in domain, situations such as being exposed so as to cause grounding body device occur in use, there is potential safety hazard.
Utility model content
The extra defect for excavating operation, the utility model embodiment is needed to carry in order to overcome grounding body in the prior art to install
A kind of electric power pylon earthing or grounding means is supplied.
The electric power pylon earthing or grounding means is as follows：
A kind of electric power pylon earthing or grounding means, the electric power pylon earthing or grounding means includes：
Down conductor and the grounding body being connected with down conductor,
Wherein, one end of the down conductor is fixed on the bottom of steel tower tower leg, the other end of the down conductor
Connect the end of the grounding body；
The grounding body includes at least two drop bars, and at least two drop bar is connected along same straight line head and the tail.
Preferably, it is connected through a screw thread between the adjacent drop bar, and the length of each drop bar is identical.
Preferably, the length of the down conductor is 10m-15m, a diameter of 10mm-15mm of the down conductor.
Preferably, the length of the drop bar is 0.5m-1.5m, a diameter of 15mm-25mm of the drop bar.
Preferably, the bottom of the down conductor and the steel tower tower leg is connected by steel plate.
Preferably, leaded chamber is set in one end of the steel plate, and the depth in the lead chamber is more than or equal to 5cm, institute
Lead chamber is stated for fixing the down conductor；
At least one bolt hole is provided with the other end of the steel plate, the bolt hole is used to coordinate with bolt
By the Interal fixation in the bottom of the steel tower tower leg.
Preferably, the down conductor is connected with the grounding body by parallel groove clamp.
The beneficial effect brought of technical scheme that the utility model embodiment is provided is：
Vertically squeezed into ground by by grounding body, then connected the tower leg of drop bar and electric power pylon with down conductor
Come, realize the ground connection operation of electric power pylon.The electric power pylon earthing or grounding means that the utility model embodiment is provided when mounted,
Need not take up area excessive around electric power pylon, therefore installing for the electric power pylon earthing or grounding means can consolidate with electric power pylon
It is fixed to carry out simultaneously.Thus avoid carries out secondary excavation to install electric power pylon earthing or grounding means, so as to reduce around electric power pylon
There is the possibility of soil erosion in region, it is to avoid electric power pylon earthing or grounding means exposes, and improves making for electric power pylon earthing or grounding means
Use security.
Brief description of the drawings
In order to illustrate more clearly of the technical scheme in utility model embodiment, below will be to being wanted needed for embodiment description
The accompanying drawing for using is briefly described, it should be apparent that, drawings in the following description are only some implementations of the present utility model
Example, for those of ordinary skill in the art, on the premise of not paying creative work, can also obtain according to these accompanying drawings
Obtain other accompanying drawings.
Fig. 1 is a kind of structural representation of electric power pylon earthing or grounding means that the utility model embodiment is provided；
Fig. 2 is a kind of structural representation of grounding body that the utility model embodiment is provided；
Fig. 3 is the top view of the steel plate that the utility model embodiment is provided；
Fig. 4 is the front view of the steel plate that the utility model embodiment is provided；
Fig. 5 is the connection diagram of the down conductor that the utility model embodiment is provided and grounding body；
Fig. 6-1 is a kind of left view of parallel groove clamp that the utility model embodiment is provided；
Fig. 6-2 is a kind of front view of parallel groove clamp that the utility model embodiment is provided；
Fig. 7 is a kind of scheme of installation of electric power pylon earthing or grounding means that the utility model embodiment is provided.
Mark in accompanying drawing is respectively：
1. down conductor；2. grounding body；3. electric power pylon tower leg；4. steel plate；41. lead chambers；42. bolt holes；5.
Parallel groove clamp；51. first clamping plates；52. second clamping plates；53. Wire channel in building.
Specific embodiment
It is new to this practicality below in conjunction with accompanying drawing to make the purpose of this utility model, technical scheme and advantage clearer
The implementation method of type is described in further detail.
Referring to Fig. 1, the utility model embodiment provides a kind of electric power pylon earthing or grounding means,
The electric power pylon earthing or grounding means includes：Down conductor 1 and grounding body 2, wherein, one end of down conductor 1 is consolidated
The bottom of steel tower tower leg 3 is scheduled on, the other end of down conductor 1 connects the end of grounding body 2；Grounding body 2 includes at least two
Drop bar 21, and at least two drop bars 21 are along the head and the tail connection of same straight line.
Electric power pylon tower leg 3 and grounding body 2 are coupled together by down conductor 1, realizes the ground connection of electric power pylon
Operation.Simultaneously down conductor 1 can flexible arrangement, reduce to the pact on the steel tower earthing or grounding means when mounted location layout
Beam, is easy to construction.Therefore the electric power pylon earthing or grounding means that the utility model embodiment is provided is not required to take transmission of electricity when in use
Excessive area around steel tower so that the electric power pylon earthing or grounding means can simultaneously be carried out with the fixation of electric power pylon when mounted,
I.e. rigid tower tower leg 3 when grounding body 2 is vertically squeezed into ground in appropriate area, afterwards again with down conductor 1 by grounding body 2
Bottom with electric power pylon tower leg 3 is connected, and last joints cement is fixed.It is not difficult to find out that the utility model embodiment is provided
Electric power pylon earthing or grounding means when mounted without carrying out mining again to the region around steel tower tower leg 3, so as to ensure that iron
The stability of the peripheral region of tower tower leg 3, it is to avoid because of soil erosion and caused by electric power pylon earthing or grounding means expose brought safety
Hidden danger.
Wherein it should be noted that grounding body 2 is segmented grounding body, i.e., by least two drop bars 21 along same straight line
Head and the tail are formed by connecting, and the length of grounding body 2 can be adjusted by the quantity for changing used drop bar 21.Specifically, it is grounded
The quantity of rod 21 can be set according to the soil resistivity in region to be installed：If the soil resistivity in region to be installed is high, can
Increase the quantity of used drop bar 21, increased the length of grounding body 2；If the soil resistivity in region to be installed is low, can
The quantity of used drop bar 21 is reduced, the length of grounding body 2 is reduced.The simple structure of segmented grounding body 2, is easy to behaviour
Make.
And it is connected through a screw thread between multiple drop bars 21.Specifically, referring to Fig. 2, one end of drop bar 21 has directly
Footpath is the screwed hole of 12mm, and the other end of drop bar 21 has external thread section, and the external thread section can be with the end of adjacently rod 21
The corresponding threaded holes in portion are closed, and are thus achieved and can be joined end to end along same straight line between each drop bar 21.
Size on down conductor 1 and grounding body 2, specifically, the length of down conductor 1 is 10m-15m, ground connection
A diameter of 10mm-15mm of downlead 1, preferably 12mm.And for the ease of calculating the length of grounding body 2, the present embodiment institute
The drop bar 21 of use has same length, i.e., the identical and different drop bar 21 of the entire length of different drop bars 21
It is respectively provided with the external thread section of equal length.More specifically, the entire length of drop bar 21 is 0.5m-1.5m, preferably 1.2m, connect
The length in ground rod 21 with external thread section is 0.1m-0.3m, preferably 0.2m.Additionally, a diameter of 15mm of drop bar 21~
25mm, preferably 20mm.
Connected mode on down conductor 1 Yu electric power pylon tower leg 3, is not specifically limited.Adopt in the present embodiment
Down conductor 1 is fixed on the bottom of steel tower tower leg 3 with steel plate 4.Specifically, referring to Fig. 3, Fig. 4, one end tool of the steel plate 4
Leaded chamber 41, and the depth in the lead chamber 41 is more than or equal to 5cm, lead chamber 41 is used to connect down conductor 1.More specifically
Ground, the end of down conductor 1 is positioned in lead chamber 41, and down conductor 1 is crimped on into steel by swaged lead chamber 41
The end of plate 4.The other end of steel plate 4 has two bolt holes 42, and be fixed on for steel plate 4 with bolt cooperation by the bolt hole 42
The bottom of steel tower tower leg 3.
Connected mode on down conductor 1 Yu grounding body 2, is not specifically limited.In the present embodiment using simultaneously ditch
Wire clamp 5 connects down conductor 1 and grounding body 2.Specifically, referring to Fig. 5, down conductor 1 and grounding body 2 are connected to simultaneously
The both sides of ditch wire clamp 5.Referring to Fig. 6-1 and Fig. 6-2, the parallel groove clamp 5 is made up of first clamping plate 51 and second clamping plate 52.First
Two bolt holes are provided with clamping plate 51, relevant position is again provided with two bolt holes in second clamping plate 52, that is, work as
During 52 consistency from top to bottom of first clamping plate 51 and second clamping plate, the bolt hole in first clamping plate 51 leads to the bolt in second clamping plate 52
Hole coaxial line.In the lower surface of first clamping plate 51, along the length direction of first clamping plate 51, it is respectively provided with positioned at bolt hole both sides
There is an arc groove；In the upper surface of second clamping plate 52, along the length direction of second clamping plate 52, positioned at bolt hole both sides point
An arc groove is not provided with.And on the upper surface of the arc groove on the lower surface of first clamping plate 51 and second clamping plate 52
Arc groove position is relative, i.e., after first clamping plate 51 and second clamping plate 52 merge, two are form respectively in bolt hole both sides
Bar along clamping plate length direction threading hole 53.During using the parallel groove clamp 5 connection down conductor 1 with grounding body 2, will connect respectively
The threading hole 53 that ground downlead 1 and grounding body 2 are formed after merging through first clamping plate 51 and second clamping plate 52, afterwards wears bolt
The bolt hole crossed in first clamping plate 51 and second clamping plate 52, tightens nut, consolidates clamping ground downlead 1 and grounding body 2.
Additionally, in the electric power pylon earthing or grounding means provided using the utility model embodiment, for each transmission of electricity iron
The quantity of the earthing or grounding means provisioned in tower is not limited, and specifically, the quantity of the earthing or grounding means required for each steel tower is according to treating
The soil resistivity of installation region determines.For example, when the soil resistivity in region to be installed is smaller, can an iron wherein
The bottom of tower tower leg 3 connects an earthing or grounding means；When the soil resistivity in region to be installed is larger, can be in each steel tower tower leg
3 bottom connects an earthing or grounding means respectively, referring to Fig. 7.
The electric power pylon earthing or grounding means that the utility model embodiment is provided vertically is driven underground by by grounding body 2, then
Electric power pylon tower leg 3 and grounding body 2 are coupled together by down conductor 1, realizes the ground connection operation of electric power pylon.Simultaneously
Down conductor 1 can flexible arrangement, reduce to the constraint on the steel tower earthing or grounding means when mounted location layout, be easy to apply
Work；The grounding body 2 of segmented is formed by connecting by multiple isometric head and the tail of drop bar 21, therefore can be according to the soil in region to be installed
The quantity of resistivity set drop bar 21, flexibility and reliability is easy to operation.
To sum up, the electric power pylon grounding device constructions are simple, material-saving, it is easy to construct.When mounted, it is not required to occupancy defeated
Excessive area around ferroelectric tower, so that without carrying out mining again to the region around steel tower tower leg 3, it is ensured that steel tower tower leg
The stability of 3 peripheral regions, it is to avoid because of soil erosion and caused by electric power pylon earthing or grounding means expose brought potential safety hazard.
Preferred embodiment of the present utility model is the foregoing is only, is not used to limit the utility model, it is all in this practicality
Within new spirit and principle, any modification, equivalent substitution and improvements made etc. should be included in guarantor of the present utility model
Within the scope of shield.
Claims (7)
1. a kind of electric power pylon earthing or grounding means, it is characterised in that the electric power pylon earthing or grounding means includes：
Down conductor (1) and the grounding body (2) being connected with down conductor (1),
Wherein, one end of the down conductor (1) is fixed on the bottom of steel tower tower leg (3), the down conductor (1) it is another
One end connects the end of the grounding body (2)；
The grounding body (2) includes at least two drop bars (21), and at least two drop bar (21) is first along same straight line
Tail is connected.
2. electric power pylon earthing or grounding means according to claim 1, it is characterised in that lead between the adjacent drop bar (21)
Threaded connection is crossed, and the length of each drop bar (21) is identical.
3. electric power pylon earthing or grounding means according to claim 2, it is characterised in that the length of the down conductor (1)
It is 10m-15m, a diameter of 10mm-15mm of the down conductor (1).
4. electric power pylon earthing or grounding means according to claim 3, it is characterised in that the length of the drop bar (21) is
0.5m-1.5m, a diameter of 15mm-25mm of the drop bar (21).
5. electric power pylon earthing or grounding means according to claim 1, it is characterised in that the down conductor (1) and described
The bottom of steel tower tower leg (3) is connected by steel plate (4).
6. electric power pylon earthing or grounding means according to claim 5, it is characterised in that
In one end of the steel plate (4), leaded chamber (41) is set, and the depth in the lead chamber (41) is more than or equal to 5cm, institute
Lead chamber (41) is stated for fixing the down conductor (1)；
Be provided with least one bolt hole (42) on the other end of the steel plate (4), the bolt hole (42) for
Bolt coordinates the bottom that the steel plate (4) is fixed on the steel tower tower leg (3).
7. electric power pylon earthing or grounding means according to claim 1, it is characterised in that the down conductor (1) with it is described
Grounding body (2) is connected by parallel groove clamp (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621180605.4U CN206250402U (en) | 2016-10-27 | 2016-10-27 | A kind of electric power pylon earthing or grounding means |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621180605.4U CN206250402U (en) | 2016-10-27 | 2016-10-27 | A kind of electric power pylon earthing or grounding means |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206250402U true CN206250402U (en) | 2017-06-13 |
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ID=58997223
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621180605.4U Active CN206250402U (en) | 2016-10-27 | 2016-10-27 | A kind of electric power pylon earthing or grounding means |
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| CN (1) | CN206250402U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109066112A (en) * | 2018-07-10 | 2018-12-21 | 中国葛洲坝集团电力有限责任公司 | Reduce the earthing or grounding means and method of ground resistance and anti-artificial destruction high voltage iron tower |
-
2016
- 2016-10-27 CN CN201621180605.4U patent/CN206250402U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109066112A (en) * | 2018-07-10 | 2018-12-21 | 中国葛洲坝集团电力有限责任公司 | Reduce the earthing or grounding means and method of ground resistance and anti-artificial destruction high voltage iron tower |
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