CN105206949A - Power transmission line tower grounding device - Google Patents
Power transmission line tower grounding device Download PDFInfo
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- CN105206949A CN105206949A CN201410289205.6A CN201410289205A CN105206949A CN 105206949 A CN105206949 A CN 105206949A CN 201410289205 A CN201410289205 A CN 201410289205A CN 105206949 A CN105206949 A CN 105206949A
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- tube connector
- electric power
- transmission line
- power line
- earthing device
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Abstract
The invention belongs to the electric power system technical field and relates to a power transmission line tower grounding device, in particular to a four-way type power transmission line tower grounding device. According to the power transmission line tower grounding device, connection units are in end-to-end connection with one another through annular grounding bodies so as to from a square; the four connection units are respectively provided with an actinoid grounding body; at least two connection units which are arranged diagonally are provided with grounding downleads; materials for making the connection units are all subjected to hot dip galvanizing anti-corrosion treatment, and therefore, the service life of the grounding device can be prolonged, and the effective sectional area of the grounding body can be increased, and contact resistance can be correspondingly reduced, and lightning protection and current release efficiency can be improved. The power transmission line tower grounding device of the invention has the advantages of simple structure, simple on-site operation and high universality. The power transmission line tower grounding device can satisfy requirements for power transmission line tower grounding device transformation and new line building construction and is applicable to transformation of grounding devices for any form of transmission line towers and construction.
Description
Technical field
The present invention relates to technical field of power systems, particularly relate to a kind of electric power line pole tower earthing device, specifically a kind of tubing type electric power line pole tower earthing device.
Background technology
At present, electric power line pole tower earthing device comprises earth electrode and down conductor.Earth electrode is earth electrode again, refers to and to imbed in ground and the metallic conductor directly contacted with soil, in order to the earth leakage current.Down conductor is the wire connecting lightning conducter and earth electrode, its effect is the lightning current for conducting on lightning conducter, the earth is flowed into by earth electrode, it is the vitals that transmission line avoids lightning stroke trip, therefore, earthing device must be effectively reliable, could reduce transmission line lightning stroke trip-out rate.
The form of earth electrode has multiple, and conventional earth electrode form is horizontal annular and radiation combination form, mostly is square frame-shaped earth electrode, corner and connects single horizontal earth electrode again.Earth electrode is imbedded under ground portion and is not generally carried out preservative treatment.
In actual moving process, because earth electrode is embedded in underground, easily corrode and get rusty, causing earthing device inefficacy and sectional area can not meet lightning protection requirement, must transform it in time.Remodeling method conventional is at present around shaft tower, excavate annular ground connection groove and radial pattern ground connection groove, then the mode of Ring earth electrode and horizontal grounding objects welding is linked together.Because electric power line pole tower is mostly in mountain area, between woodland and gully, without any construction power supply, electrical power generators can only be used to drive electric welding machine work.Generator and electric welding machine volume are large, Heavy Weight often needs many people to carry in handling process, this flat country in traffic convenience uses and is easier to implement, but it is very large to implement difficulty in mountain area and forest zone, waste of human resource is serious, and electric welding is constructed very easily initiation fire, need be equipped with all kinds of fire prevention measure, safe precaution measure is many, and operation field management and control difficulty is large.
Therefore, for above deficiency, need to provide a kind of structure simple, and be convenient to the electric power line pole tower earthing device of assembling.
Summary of the invention
(1) technical problem that will solve
The technical problem to be solved in the present invention solves existing earth electrode to be embedded in underground, gets rusty easily, and need in an assembling process to use electric welding machine, and use electric welding machine can bring disaster hidden-trouble etc., and the problem of assembling and carrying inconvenience.
(2) technical scheme
In order to solve the problems of the technologies described above, the invention provides a kind of electric power line pole tower earthing device, it comprises four linkage units, be connected to form square by Ring earth electrode head and the tail between each linkage unit, described four linkage units are equipped with radial ground conductor, and two linkage units at least diagonally arranged are provided with down conductor.
Further, described linkage unit comprises contiguous block, two the first tube connectors and second tube connector, one end of two described first tube connectors is all fixedly connected with described contiguous block, and two described first tube connectors are vertically arranged mutually, the other end of two described first tube connectors is equipped with screwed hole, and the screwed hole on one of them first tube connector is right-handed thread, screwed hole on another first tube connector is left hand thread, the middle part of described second tube connector is fixedly connected with described contiguous block, described second tube connector and the angled setting of the first tube connector; One end of second tube connector of four linkage units all connects described radial ground conductor, and the other end of the second tube connector of two linkage units at least diagonally arranged connects described down conductor.
Further, the other end of each second tube connector diagonally arranged all connects described down conductor.
Further, the two ends of described second tube connector are equipped with screwed hole, described down conductor and radial ground conductor are installed on the two ends of the second tube connector respectively by screwed hole, and described down conductor is arranged at the inner side of two the first tube connectors, described radial ground conductor is arranged at the outside of two the first tube connectors.
Further, described two the second tube connectors diagonally arranged coaxially are arranged.
Further, described each linkage unit is all one-body molded.
Further, described contiguous block, the first tube connector and the second tube connector all adopt hot galvanizing preservative treatment.
Further, the cross sectional shape of described first tube connector and the second tube connector is regular hexagon.
(3) beneficial effect
Technique scheme tool of the present invention has the following advantages: electric power line pole tower earthing device of the present invention, be connected to form square by Ring earth electrode head and the tail between its each linkage unit, four linkage units are equipped with radial ground conductor, two linkage units at least diagonally arranged are provided with down conductor, the material of this linkage unit all adopts hot galvanizing preservative treatment, extend useful life, increase the net sectional area of earth electrode, consequently reduce contact resistance, improve lightning protection earial drainage efficiency.Structure of the present invention is simple, execute-in-place is simple, highly versatile, can meet the transformation of electric power line pole tower earthing device and newly-built line construction requirement, is applicable to the earthing device transformation of electric power line pole tower horizontal annular and radiation combination form and the earthing device of construction usage and other form.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of embodiment of the present invention electric power line pole tower earthing device;
Fig. 2 is the schematic diagram of embodiment of the present invention linkage unit.
In figure: 1: radial ground conductor; 2: down conductor; 3: Ring earth electrode; 41: the first linkage units; 42: the second linkage units; 43: the three linkage units; 44: the four linkage units; 5: transverse connecting pipe; 6: vertical tube connector; 7: the second tube connectors; 8: contiguous block.
Embodiment
For making the object of the embodiment of the present invention, technical scheme and advantage clearly, below in conjunction with the accompanying drawing in the embodiment of the present invention, technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is a part of embodiment of the present invention, instead of whole embodiments.Based on the embodiment in the present invention, the every other embodiment that those of ordinary skill in the art obtain under the prerequisite not making creative work, all belongs to the scope of protection of the invention.
A kind of electric power line pole tower earthing device that the embodiment of the present invention provides, it comprises four linkage units, be connected to form square by Ring earth electrode head and the tail between each linkage unit, described four linkage units are equipped with radial ground conductor, and two linkage units at least diagonally arranged are provided with down conductor.
Specific in the present embodiment, as depicted in figs. 1 and 2, the first linkage unit 41, second linkage unit 42, the 3rd linkage unit 43 and the 4th linkage unit 44 are connected to form square structure by Ring earth electrode 3 head and the tail.
First linkage unit 41, second linkage unit 42, the 3rd linkage unit 43 and the 4th linkage unit 44 include contiguous block 8, two the first tube connectors and second tube connector 7, first tube connector includes a transverse connecting pipe 5 and vertical tube connector 6, transverse connecting pipe 5 is all fixedly connected with described contiguous block 8 with one end of vertical tube connector 6, and transverse connecting pipe 5 and the vertical setting mutually of vertical tube connector 6.
The other end of transverse connecting pipe 5 and vertical tube connector 6 is equipped with screwed hole, and the screwed hole on transverse connecting pipe 5 is right-handed thread, screwed hole on vertical tube connector 6 is left hand thread, Ring earth electrode 3 is provided with external screw thread, external screw thread is coated with after brushing conductive paste, connect the transverse connecting pipe 5 of the first linkage unit 41 and the vertical tube connector 6 of the second linkage unit 42 by Ring earth electrode 3, the like the first linkage unit 41, second linkage unit 42, the 3rd linkage unit 43 and the 4th linkage unit 44 are connected to form square.
The middle part of described second tube connector 7 is fixedly connected with described contiguous block 8, described second tube connector 7 and transverse connecting pipe 5 (being also vertical tube connector 6) angled setting, and adjustable angle, first linkage unit 41, second linkage unit 42, the 3rd linkage unit 43 are all connected described radial ground conductor 1 with one end of the second tube connector 7 of the 4th linkage unit 44, and the second tube connector 7 of the first linkage unit 41 at least diagonally arranged is connected described down conductor 2 with the other end of the second tube connector 7 of the 3rd linkage unit 43.In order to better connect transverse connecting pipe 5, vertical tube connector 6 and the second tube connector 7, contiguous block 8 is polygon, and in order to meet the requirement of tubing type, contiguous block 8 is hexagon, and two limits are mutually vertical, the angle on another two limits and orthogonal two limits is 45 degree.
Preferably, the second tube connector 7 of the first linkage unit 41 diagonally arranged and the second tube connector 7 of the 3rd linkage unit 43 and the second tube connector 7 of the second linkage unit 42 and the second tube connector 7 of the 4th linkage unit 44 are equipped with down conductor 2.
Common, the two ends of described second tube connector 7 are equipped with screwed hole, described down conductor 2 and radial ground conductor 1 are installed on the two ends of the second tube connector 7 respectively by screwed hole, and described down conductor 2 is arranged at the inner side of transverse connecting pipe 5 and vertical tube connector 6, namely square structure is positioned at, described radial ground conductor 1 is arranged at the outside of transverse connecting pipe 5 and vertical tube connector 6, namely be positioned at outside square structure, which increase the net sectional area of earth electrode, consequently reduce contact resistance, improve lightning protection earial drainage efficiency.
Described two the second tube connectors 7 diagonally arranged coaxially arrange or are symmetrical arranged, and when coaxially arranging, the angle between the second tube connector 7 and transverse connecting pipe 5 (being also vertical tube connector 6) is 45 degree.
Described each linkage unit is all one-body molded, can certainly single-piece production, then single-piece assembling is formed linkage unit.In order to the convenience of installing, the cross sectional shape of transverse connecting pipe 5, vertical tube connector 6 and the second tube connector 7 is regular hexagon, can directly use common screw die to operate like this.Namely electric power line pole tower earthing device of the present invention is tubing type, its tube connector can realize batch production processing, coordinate earth electrode in factory process, also can process at the scene, processing only need be carried a set of screw die (comprising stock and dies) and can be realized at the scene.
In order to extend its useful life, described contiguous block 8, transverse connecting pipe 5, vertical tube connector 6 and the second tube connector 7 all adopt hot galvanizing preservative treatment.Structure of the present invention is simple, and execute-in-place is simple, highly versatile, is applicable to any type of earthing device transformation of electric power line pole tower and construction usage.
In use, electric power line pole tower earthing device of the present invention is embedded in underground, the backfill earthwork, is connected down conductor with shaft tower, easily can complete transformation and construction.
In sum, electric power line pole tower earthing device of the present invention, be connected to form square by Ring earth electrode head and the tail between its each linkage unit, four linkage units are equipped with radial ground conductor, and two linkage units at least diagonally arranged are provided with down conductor, and the material of this linkage unit all adopts hot galvanizing preservative treatment, extend useful life, increase the net sectional area of earth electrode, consequently reduce contact resistance, improve lightning protection earial drainage efficiency.Structure of the present invention is simple, execute-in-place is simple, highly versatile, can meet the transformation of electric power line pole tower earthing device and newly-built line construction requirement, is applicable to the earthing device transformation of electric power line pole tower horizontal annular and radiation combination form and the earthing device of construction usage and other form.
Last it is noted that above embodiment is only in order to illustrate technical scheme of the present invention, be not intended to limit; Although with reference to previous embodiment to invention has been detailed description, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein portion of techniques feature; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the spirit and scope of various embodiments of the present invention technical scheme.
Claims (8)
1. an electric power line pole tower earthing device, it is characterized in that: comprise four linkage units, be connected to form square by Ring earth electrode head and the tail between each linkage unit, described four linkage units are equipped with radial ground conductor, and two linkage units at least diagonally arranged are provided with down conductor.
2. electric power line pole tower earthing device according to claim 1, it is characterized in that: described linkage unit comprises contiguous block, two the first tube connectors and second tube connector, one end of two described first tube connectors is all fixedly connected with described contiguous block, and two described first tube connectors are vertically arranged mutually, the other end of two described first tube connectors is equipped with screwed hole, and the screwed hole on one of them first tube connector is right-handed thread, screwed hole on another first tube connector is left hand thread, the middle part of described second tube connector is fixedly connected with described contiguous block, described second tube connector and the angled setting of the first tube connector, one end of second tube connector of four linkage units all connects described radial ground conductor, and the other end of the second tube connector of two linkage units at least diagonally arranged connects described down conductor.
3. electric power line pole tower earthing device according to claim 2, is characterized in that: the other end of each second tube connector diagonally arranged all connects described down conductor.
4. electric power line pole tower earthing device according to claim 3, it is characterized in that: the two ends of described second tube connector are equipped with screwed hole, described down conductor and radial ground conductor are installed on the two ends of the second tube connector respectively by screwed hole, and described down conductor is arranged at the inner side of two the first tube connectors, described radial ground conductor is arranged at the outside of two the first tube connectors.
5. electric power line pole tower earthing device according to claim 4, is characterized in that: described two the second tube connectors diagonally arranged coaxially are arranged.
6. electric power line pole tower earthing device according to claim 5, is characterized in that: described each linkage unit is all one-body molded.
7. the electric power line pole tower earthing device according to any one of claim 1-6, is characterized in that: described contiguous block, the first tube connector and the second tube connector all adopt hot galvanizing preservative treatment.
8. electric power line pole tower earthing device according to claim 7, is characterized in that: the cross sectional shape of described first tube connector and the second tube connector is regular hexagon.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410289205.6A CN105206949B (en) | 2014-06-24 | 2014-06-24 | A kind of electric power line pole tower earthing or grounding means |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410289205.6A CN105206949B (en) | 2014-06-24 | 2014-06-24 | A kind of electric power line pole tower earthing or grounding means |
Publications (2)
| Publication Number | Publication Date |
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| CN105206949A true CN105206949A (en) | 2015-12-30 |
| CN105206949B CN105206949B (en) | 2017-09-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410289205.6A Active CN105206949B (en) | 2014-06-24 | 2014-06-24 | A kind of electric power line pole tower earthing or grounding means |
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| CN (1) | CN105206949B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108933341A (en) * | 2018-07-03 | 2018-12-04 | 国网山东省电力公司惠民县供电公司 | A kind of tower grounding device |
| CN108987955A (en) * | 2018-05-31 | 2018-12-11 | 国网山西省电力公司晋城供电公司 | Earthing or grounding means connector based on overall process mechanized construction |
| CN109546498A (en) * | 2019-01-04 | 2019-03-29 | 潍坊市宏宇电力设备防护有限公司 | It is grounded dilatation discharge device |
Citations (5)
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|---|---|---|---|---|
| CN2870210Y (en) * | 2005-10-03 | 2007-02-14 | 周明 | Electric-power earthing net |
| CN101728661A (en) * | 2008-10-21 | 2010-06-09 | 吕良 | Monitoring low-resistance module grounding device |
| CN203456602U (en) * | 2013-09-29 | 2014-02-26 | 国家电网公司 | Radial grounding device capable of reducing impulse grounding impedance |
| CN103618154A (en) * | 2013-11-14 | 2014-03-05 | 国家电网公司 | Anti-corrosion grounding device for electric transmission line tower and manufacturing method thereof |
| CN204011769U (en) * | 2014-06-24 | 2014-12-10 | 国网山西省电力公司晋城供电公司 | A kind of electric power line pole tower earthing device |
-
2014
- 2014-06-24 CN CN201410289205.6A patent/CN105206949B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2870210Y (en) * | 2005-10-03 | 2007-02-14 | 周明 | Electric-power earthing net |
| CN101728661A (en) * | 2008-10-21 | 2010-06-09 | 吕良 | Monitoring low-resistance module grounding device |
| CN203456602U (en) * | 2013-09-29 | 2014-02-26 | 国家电网公司 | Radial grounding device capable of reducing impulse grounding impedance |
| CN103618154A (en) * | 2013-11-14 | 2014-03-05 | 国家电网公司 | Anti-corrosion grounding device for electric transmission line tower and manufacturing method thereof |
| CN204011769U (en) * | 2014-06-24 | 2014-12-10 | 国网山西省电力公司晋城供电公司 | A kind of electric power line pole tower earthing device |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108987955A (en) * | 2018-05-31 | 2018-12-11 | 国网山西省电力公司晋城供电公司 | Earthing or grounding means connector based on overall process mechanized construction |
| CN108933341A (en) * | 2018-07-03 | 2018-12-04 | 国网山东省电力公司惠民县供电公司 | A kind of tower grounding device |
| CN109546498A (en) * | 2019-01-04 | 2019-03-29 | 潍坊市宏宇电力设备防护有限公司 | It is grounded dilatation discharge device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105206949B (en) | 2017-09-12 |
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