CN204361291U - A kind of long-acting non-maintaining flexible ground body - Google Patents
A kind of long-acting non-maintaining flexible ground body Download PDFInfo
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- CN204361291U CN204361291U CN201520090582.7U CN201520090582U CN204361291U CN 204361291 U CN204361291 U CN 204361291U CN 201520090582 U CN201520090582 U CN 201520090582U CN 204361291 U CN204361291 U CN 204361291U
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Abstract
The utility model provides long-acting non-maintaining flexible ground body, belongs to electrical equipment technical field, and corrosion resistance is strong, low cost of manufacture, carrying and easy for installation, can adapt to multiple different installation environment.The fixture that the technical solution of the utility model comprises earth electrode body and is set on earth electrode body, described earth electrode body is divided into three layers from inside to outside, skin is made up of flexible graphite scale and graphite line, intermediate layer is made up of graphite line and wire, and internal layer is wire, the circle of to be diameter be in the cross section of described earth electrode body 5 ~ 500mm, or be high 5 ~ 500mm, wide 5 ~ 500mm's is square, or is the flat of thick 1 ~ 100mm, wide 3 ~ 5000mm.
Description
Technical field
The utility model relates to electrical equipment technical field, is specifically related to a kind of long-acting non-maintaining flexible ground body.
Background technology
For a long time, domestic and international electric power grounding grid adopts the metal species earthing materials such as band steel, stainless steel, copper usually, and containing the galvanized steel of electroplated metal layer, stainless steel Baogang, copper covered steel metallic ground material.Except transport and difficulty of construction is large, easily occur except steal phenomenon, the maximum bottleneck problem of metallic ground material is the corrosion of earthing material.Practical operating experiences shows, band steel and the corrosion of galvanized steel earthing material comparatively fast, generally run 3 ~ 7a and namely heavy corrosion occur.Although the stainless steel of development in recent years and copper covered steel corrosion resistance make moderate progress, increase the weight of due to the easy appearance point corrosion of the slightly high and middle plug of valency and along with the increase corrosion of Cl ion in soil, therefore practical operating experiences is less.The corrosion resistance of copper is 3 ~ 4 times of steel, and too high material cost limits its main cause applied at transmission line tower grounding network.Copper covered steel earthing material antiseptic property is better, the generally easy appearance point corrosion in earth electrode end, and when copper covered steel earth electrode to be distorted because of natural cause or to bend, surface copper cover layer easily breaks and then accelerates the corrosion rate of internal steel material.
Existing earth electrode adopts copper or steel to make mostly, and use electric welding to connect during in-site installation, this mounting means is complicated, dumb, and welding position is perishable, and therefore useful life is short; Simultaneously also to there is manufacturing cost high for existing earth electrode, and self-resistance rate is high, the problem of resistance reducing effect difference, installs the impact being also subject to topography and geomorphology.
Utility model content
For solving the problems of the technologies described above, the utility model provides a kind of long-acting non-maintaining flexible ground body, and corrosion resistance is strong, low cost of manufacture, uses flexibly, easy for installation, can adapt to multiple different installation environment.
The fixture that the technical solution of the utility model comprises earth electrode body and is set on earth electrode body, described earth electrode body is strip, be divided into three layers from inside to outside, skin is made up of flexible graphite scale and graphite line, intermediate layer is made up of graphite line and wire, internal layer is wire, and described wire is one or more in nickel wire, copper wire, stainless steel wire, aluminium wire, constantan wire, copper facing silk, tin plated wire; The circle of to be diameter be in the cross section of described earth electrode body 5 ~ 500mm, or be high 5 ~ 500mm, wide 5 ~ 500mm's is square, or is the flat of thick 1 ~ 100mm, wide 3 ~ 5000mm; Described fixture comprises the T-shaped Corner clamp for corner and the reducing fixture arranged side by side for parallel place.
As preferably, the diameter of described graphite line is 0.1mm ~ 30mm.
As preferably, described T-shaped Corner clamp comprises one piece of T-shaped substrate and two cover plates, the horizontal section of described T-shaped substrate is provided with the groove of horizontal direction, vertical section is provided with the arc groove of vertical direction, described horizontal groove both ends open, described vertical groove lower ending opening, upper end is not communicated with horizontal groove; Two cover plates covers respectively and is located on horizontal groove and vertical groove, and position relative with horizontal groove or vertical groove on described cover plate is also provided with direction and measure-alike groove; Described cover plate and substrate are bolted.
As preferably, described reducing fixture arranged side by side comprises holder, lower holder and bolt, described lower holder upper surface is provided with two arc grooves, boss is provided with between described two arc grooves, described upper holder lower surface is provided with the boss auxiliary section of matching with described boss, both sides, described boss auxiliary section are also provided with arc groove, and described upper holder and lower holder are bolted.
As preferably, the groove position of described upper holder is positioned at the groove of lower holder.
As preferably, the wire quantity of described internal layer is 1 ~ 1000, and single diameter is 0.001mm ~ 3mm.
As preferably, the wire in described intermediate layer is 1 ~ 50, and single diameter is 0.001mm ~ 3mm.
Compared with prior art, the beneficial effects of the utility model are:
1, long-acting dimension flexible ground body resistance to corrosion of exempting from is superpower, and the anticorrosive life-span is more than 8 times of copper material earth electrode; Earth electrode is made to accomplish once to lay, effectively steady in a long-term.
2, past band steel, round steel, angle steel, earthing module etc. are subject to landform, the restriction of landforms cannot implement.Long-acting dimension flexible ground body of exempting from does not limit by landform in application process, can general ply lay-ups, arbitrarily folding distortion, and extension, applying flexible freely, greatly reduce excavation difficulty arbitrarily.
3, the jointing at earth electrode two ends uses bolted fixture or hydraulically operated fixture, can connect fast and dismantle, make easier for installation.
4, long-acting exempt to tie up flexible ground body and same diameter, same resistance reducing effect round steel, band steel, compared with angle steel, his is lightweight, transport easily, especially more obvious in the traffic of mountain area inconvenience initiative and advantages of the localities.Weight is the band steel 1/5 of same resistance reducing effect.And do not worry that problem stolen by material.
5, long-acting dimension flexible ground body of exempting from has certain ductility, has associativity closely with soil.
6, long-acting dimension flexible ground body of exempting from is simple compared with other chemical flexible ground body constructions, without any need for water with stir.
7, long-acting non-maintaining flexible ground body is stronger than other chemical flexible ground body stability, and the life-span is long, the resistance reducing effect that can not cause along with soil erosion.
8, long-acting non-maintaining flexible ground body is than other chemical flexible ground body more environmental protection.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the schematic cross-section of earth electrode body.
Fig. 3 is the structural representation of T-shaped Corner clamp.
Fig. 4 is the T-shaped board structure schematic diagram of T-shaped Corner clamp.
Fig. 5 is the cross section structure schematic diagram of reducing fixture arranged side by side.
Fig. 6 is a kind of cross section structure schematic diagram of earth electrode body in embodiment 2.
Fig. 7 is the another kind of cross section structure schematic diagram of earth electrode body in embodiment 2.
Embodiment
Embodiment of the present utility model is described in detail below in conjunction with accompanying drawing.
Embodiment 1
As depicted in figs. 1 and 2, the present embodiment comprises earth electrode body 1 and is set in the fixture 2 on earth electrode body, earth electrode body is strip, be divided into three layers from inside to outside, outer 3 are made up of flexible graphite scale and graphite line, and intermediate layer 4 is made up of graphite line and wire, and interior 5 is wire, the diameter of graphite line is 0.1mm ~ 30mm, and wire is one or more in nickel wire, copper wire, stainless steel wire, aluminium wire, constantan wire, copper facing silk, tin plated wire; The circle of to be diameter be in the cross section of earth electrode body 5 ~ 500mm; Fixture 2 comprises the T-shaped Corner clamp for corner and the reducing fixture arranged side by side for parallel place.
In the present embodiment, T-shaped Corner clamp comprises one piece of T-shaped substrate 7 and two cover plates 8 in the present embodiment, the horizontal section of T-shaped substrate 7 is provided with the groove 9 of horizontal direction, vertical section is provided with the arc groove 10 of vertical direction, horizontal groove 9 both ends open, vertical groove 10 lower ending opening, upper end is not communicated with horizontal groove; Two cover plates 8 covers respectively and is located on horizontal groove 9 and vertical groove 10, and position relative with horizontal groove 9 or vertical groove 10 on cover plate 8 is also provided with direction and measure-alike groove; Cover plate 8 is fixed by bolt 6 with substrate 7.
In the present embodiment, reducing fixture arranged side by side comprises holder 12, lower holder 14 and bolt 11, lower holder 14 upper surface is provided with two arc grooves 15, boss 17 is provided with between two arc grooves 15, upper holder 12 lower surface is provided with the boss auxiliary section 16 of matching with boss 17, both sides, boss auxiliary section 16 are provided with arc groove 13, and upper holder 12 is fixed by bolt 11 with lower holder 14.
In the present embodiment, the groove position of upper holder 12 is positioned at the groove of lower holder 14.
In the present embodiment, the wire quantity of internal layer 5 is 1 ~ 1000, and single diameter is 0.001mm ~ 3mm.
In the present embodiment, the wire in intermediate layer 4 is 1 ~ 50, and single diameter is 0.001mm ~ 3mm.
In the present embodiment, adopt the high purity graphite scale of purity 98%, expanded graphite is prepared by the oxidation processes of graphite and high temperature puffing process, and select the inorfils such as stainless steel wire and synthetic fibers (also can select carbon fiber, cotton fiber, glass fibre+inconel silk alloy according to conductance demand, glass fibre+copper wire alloy, cotton fiber+stainless steel wire) and the emulsified epoxy of certain proportioning, prepare long-acting non-maintaining flexible ground body by roll-in, thermoplastic and twisted wire moulding process.
This earth electrode is compared to existing earth electrode, and its corrosion resistance and mechanical property are stronger, and longer service life, manufacturing cost is lower.
In above-mentioned earth electrode, T-shaped Corner clamp is applied to two orthogonal positions of earth electrode body, or the corner of earth electrode body, can to earth electrode main body to steering-effecting and fixation, adjust the bolt on fixture simultaneously, fixture can also be made to adapt to the earth electrode body of different-diameter; Reducing fixture application arranged side by side, on two parallel earth electrodes, makes two parallel earth electrodes relatively fixing.Bolt on adjustment fixture, can also make fixture adapt to the earth electrode body of different-diameter.
Embodiment 2
In embodiment 1, the cross section of earth electrode body can also be high 5 ~ 500mm, and wide 5 ~ 500mm's is square, or thick 1 ~ 100mm, the flat of wide 3 ~ 5000mm, as shown in Figure 3 and Figure 4.Other structures are all identical with embodiment 1.Due to earth electrode when mounted, different geographical position, size of current and the earth type need the earth electrode of different structure, therefore different earth electrode body surface structures is set, can difference environmentally, electric current the suitable earth electrode of the different choice of size and the earth type etc.
Claims (7)
1. long-acting non-maintaining flexible ground body, the fixture comprising earth electrode body and be set on earth electrode body, it is characterized in that: described earth electrode body is strip, be divided into three layers from inside to outside, skin is made up of flexible graphite scale and graphite line, intermediate layer is made up of graphite line and wire, and internal layer is wire, and described wire is one or more in nickel wire, copper wire, stainless steel wire, aluminium wire, constantan wire, copper facing silk, tin plated wire; The circle of to be diameter be in the cross section of described earth electrode body 5 ~ 500mm, or be high 5 ~ 500mm, wide 5 ~ 500mm's is square, or is the flat of thick 1 ~ 100mm, wide 3 ~ 5000mm; Described fixture comprises the T-shaped Corner clamp for corner and the reducing fixture arranged side by side for parallel place.
2. long-acting non-maintaining flexible ground body according to claim 1, is characterized in that: the diameter of described graphite line is 0.1mm ~ 30mm.
3. long-acting non-maintaining flexible ground body according to claim 1, it is characterized in that: described T-shaped Corner clamp comprises one piece of T-shaped substrate and two cover plates, the horizontal section of described T-shaped substrate is provided with the groove of horizontal direction, vertical section is provided with the arc groove of vertical direction, described horizontal groove both ends open, described vertical groove lower ending opening, upper end is not communicated with horizontal groove; Two cover plates covers respectively and is located on horizontal groove and vertical groove, and position relative with horizontal groove or vertical groove on described cover plate is also provided with direction and measure-alike groove; Described cover plate and substrate are bolted.
4. long-acting non-maintaining flexible ground body according to claim 1, it is characterized in that: described reducing fixture arranged side by side comprises holder, lower holder and bolt, described lower holder upper surface is provided with two arc grooves, boss is provided with between described two arc grooves, described upper holder lower surface is provided with the boss auxiliary section of matching with described boss, both sides, described boss auxiliary section are also provided with arc groove, and described upper holder and lower holder are bolted.
5. long-acting non-maintaining flexible ground body according to claim 4, is characterized in that: the groove position of described upper holder is positioned at the groove of lower holder.
6. long-acting non-maintaining flexible ground body according to claim 1, is characterized in that: the wire quantity of described internal layer is 1 ~ 1000, and single diameter is 0.001mm ~ 3mm.
7. long-acting non-maintaining flexible ground body according to claim 1, is characterized in that: the wire in described intermediate layer is 1 ~ 50, and single diameter is 0.001mm ~ 3mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520090582.7U CN204361291U (en) | 2015-02-09 | 2015-02-09 | A kind of long-acting non-maintaining flexible ground body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520090582.7U CN204361291U (en) | 2015-02-09 | 2015-02-09 | A kind of long-acting non-maintaining flexible ground body |
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| CN204361291U true CN204361291U (en) | 2015-05-27 |
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| CN201520090582.7U Expired - Fee Related CN204361291U (en) | 2015-02-09 | 2015-02-09 | A kind of long-acting non-maintaining flexible ground body |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108155489A (en) * | 2017-11-08 | 2018-06-12 | 西峡县金方圆密封材料有限责任公司 | Light graphite drop resistance module and preparation method thereof |
-
2015
- 2015-02-09 CN CN201520090582.7U patent/CN204361291U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108155489A (en) * | 2017-11-08 | 2018-06-12 | 西峡县金方圆密封材料有限责任公司 | Light graphite drop resistance module and preparation method thereof |
| CN108155489B (en) * | 2017-11-08 | 2024-04-12 | 西峡县金方圆密封材料有限责任公司 | Light graphite resistance-reducing module and preparation method thereof |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| 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: 20150527 Termination date: 20220209 |