CN104577365A - Breakage-proof graphite line and method for manufacturing breakage-proof graphite line - Google Patents
Breakage-proof graphite line and method for manufacturing breakage-proof graphite line Download PDFInfo
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- CN104577365A CN104577365A CN201510042575.4A CN201510042575A CN104577365A CN 104577365 A CN104577365 A CN 104577365A CN 201510042575 A CN201510042575 A CN 201510042575A CN 104577365 A CN104577365 A CN 104577365A
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- graphite
- line
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- composite
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
- H01R4/58—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation characterised by the form or material of the contacting members
- H01R4/66—Connections with the terrestrial mass, e.g. earth plate, earth pin
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
Abstract
The invention provides a breakage-proof graphite line and a method for manufacturing the breakage-proof graphite line. The breakage-proof graphite line comprises a composite graphite line inner core and a hard metal fiber woven outer layer, the composite graphite line is formed by twisting composite graphite bands, each composite graphite band comprises two worm graphite layers and framework fibers laid between the two graphite layers, the framework fibers are inorganic fibers, and the framework fibers are wrapped in adhesive layers. According to the breakage-proof graphite line and the method for manufacturing the breakage-proof graphite line, the manufacturing technology is simple and easy to implement, raw material cost is low, the problem that a flexible graphite grounding body can be destroyed easily due to the fact that the flexible graphite grounding body is soft can be solved, and the breakage-proof graphite line is suitable for power system grounding engineering.
Description
Technical field
The present invention relates to a kind of electric power system earthing material, particularly relate to a kind of tamper-proof graphite line and preparation method thereof.
Background technology
The grounding-for-lightning device of China's electric power system ensures power system safety and stability, guarantee the critical facility of power construction personnel personal safety, low grounding resistance, the not low operation expense of burn into steady in a long-term are the targets of electric power system earthing device.The existing earthing material of China mainly based on metallic ground material, such as mild steel, galvanized steel, stainless steel, copper, copper covered steel etc.But these metallic ground materials are except the higher copper earthing material of price, and often decay resistance is poor, and useful life is low, and maintenance cost is high.And be in use often faced with transport and constructional difficulties, make because inconvenience is bending to be difficult to select the problems such as form of construction work according to landform.In addition, because the secondary value of the metal material such as copper, steel is high, therefore earth electrode suffers artificial theft, the accident of destruction emerges in an endless stream, and brings hidden trouble to electric power system.
For the etching problem of the transmission line tower grounding network of metal material, some non-metal grounding materials arise at the historic moment.As patent ZL201320654859.5 " novel graphite compound earthing material " proposes a kind of graphite compound earthing material, efficiently avoid the problems such as the corrosion of metallic ground material.But because the matter of graphite material own is soft, intensity is not high, and in earth electrode, other fibers are as also not fully up to expectations in mechanical strengths such as glass fibres, cause flexible graphite earth electrode more easily by some sharp-pointed object cutting damages.But a lot of transmission line is often through meagrely-populated mountain area, unattended, the beast of prey and some artificial destructions easily damage the aerial part of ground network downlead, and then whole tower grounding net was lost efficacy.
Summary of the invention
For the problem that existing graphite compound earthing material is easily destroyed, the invention provides a kind of tamper-proof graphite line and preparation method thereof.
For solving the problems of the technologies described above, the present invention adopts following technical scheme:
A kind of tamper-proof graphite line, comprises composite stone line of ink marker inner core and hard metal fibrage is outer; The composite stone line of ink marker is obtained by composite stone ink ribbon twisted, and composite stone ink ribbon comprises two-layer myrmekite layer of ink and is laid in the fibrous skeleton of two-layer graphite layers; Fibrous skeleton is inorfil, and it is coated with adhesive phase.
The inorfil of fibrous skeleton preferably anticorrosive, low cost, such as, glass fibre, carbon fiber, boron fibre, kevlar fiber or ceramic fibre.
As preferably, fibrous skeleton diameter is 0.08 ~ 0.2mm.
As preferably, hard metal fiber is stainless steel fibre or nickel fiber.
As preferably, hard metal fibre diameter is 0.1 ~ 0.2mm.
The preparation method of above-mentioned tamper-proof graphite line, comprises step:
Step 1, carries out roll-in to worm graphite and makes worm graphite paper;
Step 2, by fibrous skeleton surface infiltration adhesive, and is laid between two-layer worm graphite paper, obtains composite graphite paper through thermosetting, roll-in;
Step 3, cuts composite graphite paper and obtains composite stone ink ribbon, carries out twisted obtain the composite stone line of ink marker to composite graphite band;
Step 4, with the composite stone line of ink marker for core, adopts hard metal fiber to carry out two-way establishment at composite stone line of ink marker skin, obtains tamper-proof graphite line.
As preferably, the raw-material carbon content of worm graphite is higher than 85%.
As preferably, worm graphite paper thickness is 0.1 ~ 1mm.
As preferably, fibrous skeleton is laid between two-layer worm graphite paper at equal intervals, and adjacent skeleton fibrous septum 0.5 ~ 1.2mm.
As preferably, composite graphite bandwidth is 10 ~ 25mm.
As preferably, carry out no more than 24 of the hard metal fiber number of two-way establishment.
Compared to the prior art, tool of the present invention has the following advantages and beneficial effect:
1, graphite line top layer of the present invention is by hard metal fibers encapsulation, and sharp objects of being fearless is cut, and can solve flexible graphite earth electrode due to the soft and easy destroyed problem of matter.
2, preparation technology is simple and easy to do, and cost of material is low, is adapted to electric power system earth work.
Accompanying drawing explanation
Fig. 1 is preparation technology's flow process of tamper-proof graphite line;
Fig. 2 is tamper-proof graphite line structural representation.
Wherein, 1-composite stone line of ink marker inner core, the fibrage of 2-hard metal is outer.
Specific embodiment
In concrete enforcement, the main raw materials of the present invention comprise carbon content higher than 85% high-purity worm graphite, ethyl acrylate water-soluble binder, glass fibre and hard metal fiber, hard metal fiber can be stainless steel fibre or nickel fiber.Carry out roll-in to worm graphite and make that smooth surface is smooth, the uniform worm graphite paper of thickness, worm graphite paper thickness is advisable with 0.1 ~ 1mm, and worm graphite paper thickness is excessive, and during twisted, graphite tape easily ruptures.
The concrete preparation method of composite stone ink ribbon is as follows: the glass fibre selecting diameter 0.08 ~ 0.2mm, adopts adhesive to be infiltrated by fiberglass skin, and is equidistantly laid between upper and lower two-layer worm graphite paper, adjacent glass fibers interval 0.5mm ~ 1.2mm.60 ~ 100s is kept to carry out thermosetting process in 80 ~ 120 DEG C of temperature; Then, composite graphite paper is obtained through more than twice roll-in.Further, cut the composite stone ink ribbon that composite graphite paper obtains width 10mm ~ 25mm, gained composite graphite belt surface should be smooth, and exoskeletal fiber exposes graphite tape top layer.
Twisted is carried out to composite graphite band and obtains the composite stone line of ink marker, with the composite stone line of ink marker for axle, no more than 24 of composite stone line of ink marker skin employing, straight through 0.1 ~ 0.2mm hard metal fiber two-way establishment hard metal fibrous outer, namely obtain the tamper-proof graphite line of the present invention.
Several specific embodiments of tamper-proof graphite line provided by the invention are as follows:
Embodiment 1
The glass fibre that composite graphite paper adopts the worm graphite of carbon content about 95%, diameter is about 0.15mm and the preparation of ethyl acrylate water-soluble binder, through thermosetting, roll-in, cut and obtain the glass fibre graphite tape that width is 22mm, thickness is 0.28mm, composite graphite belt surface is smooth exposed without fiber.Select a glass fibre graphite tape twisted to become the composite stone line of ink marker, with the composite stone line of ink marker for core, its skin utilizes the two-way establishment of the stainless steel fibre of 24 diameter 0.1mm, obtains stainless steel outer packed fibrolaminar tamper-proof graphite line.
Embodiment 2
The glass fibre that composite graphite paper adopts the worm graphite of carbon content about 95%, diameter is about 0.15mm and the preparation of ethyl acrylate water-soluble binder, through thermosetting, roll-in, cut and obtain the glass fibre graphite tape that width is 22mm, thickness is 0.28mm, composite graphite belt surface is smooth exposed without fiber.Select a glass fibre graphite tape twisted to become the composite stone line of ink marker, with the composite stone line of ink marker for core, its skin utilizes the two-way establishment of nickel fiber of 24 diameter 0.1mm, obtains stainless steel outer packed fibrolaminar tamper-proof graphite line.
Illustrate this patent described in above-described embodiment; though be described by specific term in literary composition; but the protection range of this patent can not be limited with this; the personage being familiar with this technical field can change it or revise and reach equivalent object after the spirit understanding this patent and principle; and this equivalence is changed and amendment, all should be covered by right and define in category.
Claims (10)
1. a tamper-proof graphite line, is characterized in that:
Comprise composite stone line of ink marker inner core and hard metal fibrage skin; The composite stone line of ink marker is obtained by composite stone ink ribbon twisted, and composite stone ink ribbon comprises two-layer myrmekite layer of ink and is laid in the fibrous skeleton of two-layer graphite layers; Fibrous skeleton is inorfil, and it is coated with adhesive phase.
2. tamper-proof graphite line as claimed in claim 1, is characterized in that:
Described inorfil is glass fibre, carbon fiber, boron fibre, kevlar fiber or ceramic fibre.
3. tamper-proof graphite line as claimed in claim 1, is characterized in that:
Described inorfil diameter is 0.08 ~ 0.2mm.
4. tamper-proof graphite line as claimed in claim 1, is characterized in that:
Described hard metal fiber is stainless steel fibre or nickel fiber.
5. tamper-proof graphite line as claimed in claim 1, is characterized in that:
Described hard metal fibre diameter is 0.1 ~ 0.2mm.
6. a preparation method for tamper-proof graphite line, is characterized in that, comprises step:
Step 1, carries out roll-in to worm graphite and makes worm graphite paper;
Step 2, by fibrous skeleton surface infiltration adhesive, and is laid between two-layer worm graphite paper, obtains composite graphite paper through thermosetting, roll-in;
Step 3, cuts composite graphite paper and obtains composite stone ink ribbon, carries out twisted obtain the composite stone line of ink marker to composite graphite band;
Step 4, with the composite stone line of ink marker for core, adopts hard metal fiber to carry out two-way establishment at composite stone line of ink marker skin, obtains tamper-proof graphite line.
7. the preparation method of tamper-proof graphite line as claimed in claim 6, is characterized in that:
Described worm graphite paper thickness is 0.1 ~ 1mm.
8. the preparation method of tamper-proof graphite line as claimed in claim 6, is characterized in that:
In step 2, described fibrous skeleton is laid between two-layer worm graphite paper at equal intervals, and adjacent glass fibers interval 0.5mm ~ 1.2mm.
9. the preparation method of tamper-proof graphite line as claimed in claim 6, is characterized in that:
In step 3, described composite graphite bandwidth is 10 ~ 25mm.
10. the preparation method of tamper-proof graphite line as claimed in claim 6, is characterized in that:
In step 4, carry out no more than 24 of the hard metal fiber number of two-way establishment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201510042575.4A CN104577365A (en) | 2015-01-28 | 2015-01-28 | Breakage-proof graphite line and method for manufacturing breakage-proof graphite line |
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| CN201510042575.4A CN104577365A (en) | 2015-01-28 | 2015-01-28 | Breakage-proof graphite line and method for manufacturing breakage-proof graphite line |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105463694A (en) * | 2015-12-18 | 2016-04-06 | 西峡县金方圆密封材料有限责任公司 | Ignition-loss-free graphite braided wire and production method thereof |
| CN106229703A (en) * | 2016-08-22 | 2016-12-14 | 国家电网公司 | Graphite bonded earth electrode and the preparation method of impulse earthed resistance can be reduced |
| CN110197954A (en) * | 2019-06-13 | 2019-09-03 | 武汉昱仝科技有限公司 | A kind of soft graphite grounding body and its application |
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| CN101996708A (en) * | 2010-10-19 | 2011-03-30 | 远东电缆有限公司 | Offshore floating wind power generation cable |
| CN102800382A (en) * | 2012-08-24 | 2012-11-28 | 潍坊市宏宇电力设备防护有限公司 | Graphite wire, production process for graphite wire and production equipment for graphite wire |
| CN103490180A (en) * | 2013-10-23 | 2014-01-01 | 阮江军 | Novel graphite composite grounding material and preparation method thereof |
| CN203910990U (en) * | 2014-06-25 | 2014-10-29 | 国家电网公司 | Anti-corrosion power line grounding device |
| CN203931548U (en) * | 2014-04-25 | 2014-11-05 | 潍坊市宏宇电力设备防护有限公司 | Composite material downlead |
| CN104269664A (en) * | 2014-10-27 | 2015-01-07 | 武汉大学 | Low-temperature-rise composite grounding body and preparation method thereof |
| CN104269206A (en) * | 2014-10-27 | 2015-01-07 | 武汉大学 | Low-specific resistance graphite thread and preparation method thereof |
| CN204333298U (en) * | 2015-01-28 | 2015-05-13 | 武汉大学 | Tamper-proof graphite line |
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2015
- 2015-01-28 CN CN201510042575.4A patent/CN104577365A/en active Pending
Patent Citations (8)
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| CN101996708A (en) * | 2010-10-19 | 2011-03-30 | 远东电缆有限公司 | Offshore floating wind power generation cable |
| CN102800382A (en) * | 2012-08-24 | 2012-11-28 | 潍坊市宏宇电力设备防护有限公司 | Graphite wire, production process for graphite wire and production equipment for graphite wire |
| CN103490180A (en) * | 2013-10-23 | 2014-01-01 | 阮江军 | Novel graphite composite grounding material and preparation method thereof |
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| CN104269206A (en) * | 2014-10-27 | 2015-01-07 | 武汉大学 | Low-specific resistance graphite thread and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105463694A (en) * | 2015-12-18 | 2016-04-06 | 西峡县金方圆密封材料有限责任公司 | Ignition-loss-free graphite braided wire and production method thereof |
| CN105463694B (en) * | 2015-12-18 | 2023-03-24 | 西峡县金方圆密封材料有限责任公司 | Non-ignition loss graphite braided wire and production method thereof |
| CN106229703A (en) * | 2016-08-22 | 2016-12-14 | 国家电网公司 | Graphite bonded earth electrode and the preparation method of impulse earthed resistance can be reduced |
| CN110197954A (en) * | 2019-06-13 | 2019-09-03 | 武汉昱仝科技有限公司 | A kind of soft graphite grounding body and its application |
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