CN203562523U - Corrosion resistant grounding device used for power transmission line tower - Google Patents
Corrosion resistant grounding device used for power transmission line tower Download PDFInfo
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- CN203562523U CN203562523U CN201320717982.7U CN201320717982U CN203562523U CN 203562523 U CN203562523 U CN 203562523U CN 201320717982 U CN201320717982 U CN 201320717982U CN 203562523 U CN203562523 U CN 203562523U
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- earthing device
- connector
- connecting plate
- grounding
- font
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- 230000007797 corrosion Effects 0.000 title abstract description 13
- 238000005260 corrosion Methods 0.000 title abstract description 13
- 230000005540 biological transmission Effects 0.000 title abstract 3
- 238000002788 crimping Methods 0.000 claims abstract description 5
- 229910000975 Carbon steel Inorganic materials 0.000 claims description 18
- 239000010962 carbon steel Substances 0.000 claims description 18
- 239000010935 stainless steel Substances 0.000 claims description 15
- 229910001220 stainless steel Inorganic materials 0.000 claims description 15
- 238000003466 welding Methods 0.000 claims description 7
- 239000004020 conductor Substances 0.000 claims description 5
- 238000007789 sealing Methods 0.000 abstract description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 12
- 229910052802 copper Inorganic materials 0.000 description 12
- 239000010949 copper Substances 0.000 description 12
- 239000002689 soil Substances 0.000 description 12
- 239000000463 material Substances 0.000 description 9
- 229910000831 Steel Inorganic materials 0.000 description 8
- 239000010959 steel Substances 0.000 description 8
- 239000002131 composite material Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 229910001335 Galvanized steel Inorganic materials 0.000 description 4
- 239000002253 acid Substances 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 239000008397 galvanized steel Substances 0.000 description 4
- 238000007689 inspection Methods 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 239000011265 semifinished product Substances 0.000 description 2
- 241000277275 Oncorhynchus mykiss Species 0.000 description 1
- 206010063900 Steal syndrome Diseases 0.000 description 1
- 238000000137 annealing Methods 0.000 description 1
- 239000012298 atmosphere Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 230000010287 polarization Effects 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
Provided is a corrosion resistant grounding device used for a power transmission line tower. The grounding device is a closed ring or a closed polygon composed of a grounding body, linear connectors and T-shaped connectors, a port in the vertical direction of each T-shaped connector is connected with a grounding wire connecting plate via a grounding body down lead, and the grounding body, the linear connectors, and the T-shaped connectors are tightly connected via hydraulic crimping. The corrosion resistant grounding device used for the power transmission line tower is advantaged by flat and uniform connecting positions, reliable connection, and good contact performance and sealing performance, and the corrosion can be alleviated.
Description
Technical field
The utility model relates to a kind of electric power line pole tower earthing device, particularly a kind of for electric power line pole tower corrosion-resisting grounding device.
Background technology
At present, the earthing device that China's electric power line pole tower is conventional is galvanized steel, copper plated steel (copper covers steel) or copper material earthing device, and practical application shows, galvanized steel earthing device corrodes more serious in acid ground; Copper plated steel (copper covers steel) or copper material earthing device project cost are high, environment is produced to secondary pollution, and while easily there is steal phenomenon, its surface electrical coating damage, can there are two kinds of polarization corrosion reactions between different metal, accelerate the corrosion of earthing device; Therefore, at present owing to lacking special material and relevant technology, not yet have one to be not only applicable to acid ground but also be applicable to basic soil and salt-affected soil, meet completely non-maintaining in Life cycle, overall life cycle cost is low, the electric power line pole tower corrosion-resisting grounding device of resources conservation, environmental friendliness shape.
Utility model content
The purpose of this utility model is to provide a kind of for electric power line pole tower corrosion-resisting grounding device, and this earthing device junction is smooth evenly, it is reliable to connect, contact performance and good seal performance, can in Life cycle, prevent the generation of corrosion failure phenomenon.
Concrete scheme of the present utility model is:
A kind of for electric power line pole tower corrosion-resisting grounding device, annular or polygon that described earthing device is comprised of earth electrode, in-line connector and T font connector, the port of described T font connector vertical direction is by earth electrode downlead and earth connection connecting plate.
With immediate technical scheme ratio, excellent effect of the present utility model is:
For the Corrosion Status of China's electric power line pole tower earthing device, the utility model proposes a kind of electric power line pole tower corrosion-resisting grounding device.The composite material that this electric power line pole tower corrosion-resisting grounding device is formed by the coated carbon steel of stainless steel is that the various connectors that earth electrode and stainless steel are made consist of mutually hydraulic pressure crimping, with conventional galvanized steel, copper plated steel (copper covers steel), copper material and other material earthing device are compared, this earthing device is at strong acid, highly basic, neutrality and salt-affected soil (for example grand celebration basic soil, Golmud salt-affected soil, Shenyang neutral soil and Yingtan acid ground) in have good applicability, natural corrosion state and even connecing under etch state, the corrosion rate of this stainless steel composite material earth electrode is all much smaller than the corrosion rate of copper-made grounding device, be greater than 50 years useful life, are far superior to conventional galvanized steel in corrosion resistance and useful life, copper plated steel (copper covers steel), copper material and other material earthing device.And; earth electrode seals by pole tip; and the gas shielded arc welding welding between hydraulic pressure crimping and connecting plate, tube connector is all taked in in-line connector, the electric connecting point of T font connector or the junction of lead-out wire; junction is smooth evenly, it is reliable to connect, contact performance and good seal performance; can slowing down corrosion, stop to adopt chemical technology, to atmosphere, water, soil, can not produce secondary pollution; meet the requirement of national resources saving, environmental friendliness shape, have good application prospect.
Accompanying drawing explanation
Fig. 1 is the earth electrode cutaway view that the utility model provides earthing device;
Fig. 2 is the cutaway view that the utility model provides the in-line connector of earthing device;
Fig. 3 is the cutaway view that the utility model provides the T font connector of earthing device;
Fig. 4 is the cutaway view that the utility model provides the earth connection connecting plate of earthing device;
Fig. 5 is the end view that the utility model provides the earth connection connecting plate of earthing device;
Fig. 6 is the cutaway view that the utility model provides the pole tip of earthing device;
Fig. 7 is the structural representation that the utility model provides earthing device one execution mode;
Fig. 8 is the structural representation that the utility model provides another execution mode of earthing device;
Fig. 9 is the structural representation that the utility model provides another execution mode of earthing device;
Figure 10 is the structural representation that the utility model provides another execution mode of earthing device.
Embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is described in further detail.
A kind of for electric power line pole tower corrosion-resisting grounding device, annular or polygon that described earthing device is comprised of earth electrode 3, in-line connector 4 and T font connector 5, the port of described T font connector 5 vertical direction is connected with earth connection connecting plate 1 by earth electrode downlead 2; Described earthing device is consisted of the coated carbon steel of stainless steel.
As shown in Figure 1, a kind of earth electrode 3, as shown in Figure 2, a kind of in-line connector is to connect for the straight line between two earth electrodes, as shown in Figure 3, a kind of T font connector is for being connected between earth electrode and earth connection connecting plate, between horizontal grounding objects and Grounding Grids; The end of described in-line connector 4 and T font connector 5 is body, and described body is integral with described earth electrode 3 and described earth connection connecting plate 1 crimping respectively.
As shown in Figure 4 and Figure 5; a kind of earth connection connecting plate 1; earth connection connecting plate 1 is for being connected between down conductor and shaft tower, and earth connection connecting plate is comprised of connecting plate 11 and tube connector 12 two parts, and connecting plate 11 is for being connected with shaft tower; down conductor 2 is arranged in tube connector 12; its one end connects connecting plate 11, and the other end connects earth electrode 3, and the welding of connecting plate and tube connector adopts gas shielded arc welding; weld length is not less than 10 times of down conductor diameter, and two-sided welding.
As shown in Figure 6, a kind of pole tip 6, pole tip 6 is the sealings for horizontal grounding objects or Grounding Grids end face.
As shown in Figure 7, annular or polygon that described earthing device is comprised of earth electrode 3, in-line connector 4 and T font connector 5, the port of described T font connector 5 vertical direction is connected with earth connection connecting plate 1 by earth electrode downlead 2.
As shown in Figure 8, the rectangle that described earthing device is comprised of earth electrode 3, in-line connector 4 and T font connector 5, the port of described T font connector 5 vertical direction is connected with earth connection connecting plate 1 by earth electrode downlead 2; Four end, limit along continuous straight runs of described earthing device are provided with horizontal grounding objects, and the end of described horizontal grounding objects is provided with pole tip end 6, between described horizontal grounding objects and described earth electrode 3, by T font connector 5, is connected.
As shown in Figure 9, state the rectangle that earthing device is comprised of earth electrode 3, in-line connector 4 and T font connector 5, the port of described T font connector 5 vertical direction upward, described port is connected with earth connection connecting plate 1, between described earth connection connecting plate 1 and described earth electrode 3, is provided with down conductor 2; Down, described port is connected with Grounding Grids the port of the described T font of part connector 5 vertical direction, and the end of described Grounding Grids is provided with pole tip 6.
As shown in figure 10, the rectangle that described earthing device is comprised of earth electrode 3, in-line connector 4 and T font connector 5, the port of described T font connector 5 vertical direction is connected with earth connection connecting plate 1 by earth electrode downlead 2; Four end, limit along continuous straight runs of described earthing device are provided with horizontal grounding objects, the end of described horizontal grounding objects is provided with pole tip 6, between described horizontal grounding objects and described earth electrode 3, by T font connector 5, be connected, the port of the described T font of part connector 5 is connected with Grounding Grids, and the end of described Grounding Grids is provided with pole tip 6.
For different soil resistivities and different construction conditions requirement, the corrosion-resisting grounding device of design mainly contains four kinds of structural shapes: 1) closed annular earthing device as shown in Figure 7, is mainly applicable to soil resistivity 100 Ω m and following area; 2) the closed annular as shown in Figure 8 radiation earthing device of holding concurrently, is mainly applicable to the area of soil resistivity 100 Ω m～500 Ω m; 3) the closed annular earthing device of the vertical utmost point of band as shown in Figure 9, is mainly applicable to execution conditions and is subject in limited time, soil resistivity 100 Ω m and following area; 4) closed annular of the vertical utmost point of the band as shown in figure 10 radiation earthing device of holding concurrently, is mainly applicable to execution conditions and is subject in limited time, the area of soil resistivity 100 Ω m～500 Ω m.
The stainless steel composite material that the material of the utility model earthing device consists of the coated carbon steel of stainless steel forms, that carbon steel after treatment is inserted in stainless steel tube, through techniques such as rolling, stretchings, be made, the processing technology of this stainless steel composite material mainly comprises the following steps again:
(1) choosing of material: choose carbon steel and stainless steel; (2) physics peeling; With the method removal carbon steel surface oxide layer of physics; (3) cut in advance: cut off carbon steel; (4) prick head: with mechanical means make carbon steel local diameter change; (5) rolling, drawing: make whole carbon steel change a kind of method of diameter; (6) checkout procedure 1: press the check of IS09000 authentication requesting; (7) annealing: make carbon steel mechanicalness meet processing request; (8) alignment: alignment carbon steel; (9) finish draw: make carbon steel diameter reach processing request; (10) ball blast: cleaning carbon steel surface also increases roughness; (11) inspection of semifinished product: check carbon steel semi-finished product; (12) sleeve pipe: carbon steel is inserted in stainless steel tube; (13) pointing: make stainless steel and the combination of carbon steel head and change diameter; (14) stretch: stainless steel and carbon steel entirety are combined closely; (15) procedure inspection 2: press the check of IS09000 authentication requesting; (16) alignment: alignment stainless steel composite material; (17) cut off: cut off stainless steel composite material; (18) product inspection; (19) packing; (20) warehouse-in.
Claims (7)
1. one kind for electric power line pole tower corrosion-resisting grounding device, it is characterized in that, annular or polygon that described earthing device is comprised of earth electrode (3), in-line connector (4) and T font connector (5), the port of described T font connector (5) vertical direction is connected with earth connection connecting plate (1) by earth electrode downlead (2).
2. earthing device as claimed in claim 1, is characterized in that, described earthing device is closed rectangular, and its end, four limits along continuous straight runs is provided with horizontal grounding objects, and the end of described horizontal grounding objects is provided with pole tip (6).
3. earthing device as claimed in claim 1 or 2, is characterized in that, the port of described T font connector (5) vertical direction is connected with Grounding Grids, and the end of described Grounding Grids is provided with pole tip (6).
4. earthing device as claimed in claim 1, is characterized in that, the end of described in-line connector (4) and T font connector (5) is body, and described body is integral with described earth electrode (3) and described earth connection connecting plate (1) crimping respectively.
5. earthing device as claimed in claim 1, is characterized in that, described earth connection connecting plate (1) comprises connecting plate (11) and tube connector (12), and described connecting plate is that gas shielded arc welding is connected with described tube connector.
6. earthing device as claimed in claim 5, is characterized in that, the weld length of described gas shielded arc welding is not less than 10 times of described down conductor diameter.
7. earthing device as claimed in claim 1, is characterized in that, described earthing device is consisted of the coated carbon steel of stainless steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320717982.7U CN203562523U (en) | 2013-11-14 | 2013-11-14 | Corrosion resistant grounding device used for power transmission line tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320717982.7U CN203562523U (en) | 2013-11-14 | 2013-11-14 | Corrosion resistant grounding device used for power transmission line tower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203562523U true CN203562523U (en) | 2014-04-23 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320717982.7U Expired - Lifetime CN203562523U (en) | 2013-11-14 | 2013-11-14 | Corrosion resistant grounding device used for power transmission line tower |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203562523U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104201484A (en) * | 2014-09-19 | 2014-12-10 | 国家电网公司 | No-screw non-welded mesh ground lead |
| CN110086003A (en) * | 2019-06-03 | 2019-08-02 | 国家电网有限公司 | A kind of the mesh grounding attachment device and connection method of power equipment |
-
2013
- 2013-11-14 CN CN201320717982.7U patent/CN203562523U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104201484A (en) * | 2014-09-19 | 2014-12-10 | 国家电网公司 | No-screw non-welded mesh ground lead |
| CN110086003A (en) * | 2019-06-03 | 2019-08-02 | 国家电网有限公司 | A kind of the mesh grounding attachment device and connection method of power equipment |
| CN110086003B (en) * | 2019-06-03 | 2020-10-27 | 国家电网有限公司 | Grounding grid grounding connection device and method for power equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140423 |