CN109244686A - A kind of plug and preparation method thereof for earthed system - Google Patents
A kind of plug and preparation method thereof for earthed system Download PDFInfo
- Publication number
- CN109244686A CN109244686A CN201810884258.0A CN201810884258A CN109244686A CN 109244686 A CN109244686 A CN 109244686A CN 201810884258 A CN201810884258 A CN 201810884258A CN 109244686 A CN109244686 A CN 109244686A
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- powder
- plug
- rod iron
- earthed system
- raw material
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- 238000002360 preparation method Methods 0.000 title claims abstract description 19
- 229910000754 Wrought iron Inorganic materials 0.000 claims abstract description 46
- 238000005245 sintering Methods 0.000 claims abstract description 32
- 239000002994 raw material Substances 0.000 claims abstract description 24
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 20
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims abstract description 18
- 239000000843 powder Substances 0.000 claims abstract description 18
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 14
- 238000000034 method Methods 0.000 claims abstract description 14
- 239000006004 Quartz sand Substances 0.000 claims abstract description 13
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims abstract description 13
- 239000004411 aluminium Substances 0.000 claims abstract description 13
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 13
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 13
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 12
- 229910021389 graphene Inorganic materials 0.000 claims abstract description 12
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 claims abstract description 12
- 239000011521 glass Substances 0.000 claims abstract description 10
- 239000000463 material Substances 0.000 claims description 12
- 238000001816 cooling Methods 0.000 claims description 10
- 240000007594 Oryza sativa Species 0.000 claims 1
- 235000007164 Oryza sativa Nutrition 0.000 claims 1
- 230000005611 electricity Effects 0.000 claims 1
- 235000009566 rice Nutrition 0.000 claims 1
- 238000005303 weighing Methods 0.000 claims 1
- 229910052751 metal Inorganic materials 0.000 abstract description 10
- 230000001603 reducing effect Effects 0.000 abstract description 5
- 239000012790 adhesive layer Substances 0.000 abstract description 3
- 230000000694 effects Effects 0.000 abstract description 3
- 239000007788 liquid Substances 0.000 abstract description 3
- 238000002844 melting Methods 0.000 abstract description 2
- 230000008018 melting Effects 0.000 abstract description 2
- 229910052802 copper Inorganic materials 0.000 description 10
- 239000010949 copper Substances 0.000 description 10
- 229910000831 Steel Inorganic materials 0.000 description 7
- 239000010959 steel Substances 0.000 description 7
- 239000010410 layer Substances 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 229910052759 nickel Inorganic materials 0.000 description 4
- 239000002689 soil Substances 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 229910052725 zinc Inorganic materials 0.000 description 3
- 239000011701 zinc Substances 0.000 description 3
- -1 graphite Alkene Chemical class 0.000 description 2
- 239000002344 surface layer Substances 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- 150000001336 alkenes Chemical class 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000010453 quartz Substances 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 238000010257 thawing Methods 0.000 description 1
Classifications
-
- 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
-
- B22F1/0003—
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F7/00—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression
- B22F7/06—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression of composite workpieces or articles from parts, e.g. to form tipped tools
- B22F7/08—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression of composite workpieces or articles from parts, e.g. to form tipped tools with one or more parts not made from powder
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Composite Materials (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Powder Metallurgy (AREA)
Abstract
The plug and preparation method thereof that the invention discloses a kind of for earthed system, the plug for earthed system includes rod iron, rod iron surface wraps the raw material including following weight percent: zinc powder 55-60%, copper powder 13-18%, aluminium powder 6-10%, lead powder 0.5-1.5%, graphene 7-11%, glass putty 3-5%, surplus are nickel powder；The preparation method of plug for earthed system, comprising the following steps: (1) according to above-mentioned formula weigh each raw material, it is spare；(2) rod iron is placed in octagonal horizontal drum electrothermal furnace and is heated；The difference that the present invention passes through the fusing point of the powder raw material of various elements, it realizes and wraps the metallic element of high temperature fusing point after the metallic element of low-temperature melting point under plug sintering temperature becomes liquid, realize the surface for being firmly attached to rod iron, quartz sand guarantees the uniformly transfer heat effect of sintering process, so that in-furnace temperature uniformity, the plug resistance reducing effect produced is good, and surface adhesive layer is not easily to fall off, long service life.
Description
Technical field
The present invention relates to a kind of plug of earthed system, specifically a kind of plug and its preparation side for earthed system
Method.
Background technique
The plug of current earthed system is typically all directly to cover one layer of copper, i.e. copper-clad steel construction in the outer surface of rod iron,
Although the plug of this structure has reached good electric conductivity, higher mechanical strength and good corrosion resistance, still
The otherness of the metallurgical structure of copper product and Steel material is excessively obvious, so that layers of copper and the bonding force on rod iron surface are inadequate,
It is easy to local shedding after causing layers of copper to overlay on the surface of rod iron or is peeled off because of the friction such as itself and soil, and then influences ground connection
The service performance and service life of system；In addition, due to earthed system be typically necessary during installation plug is at least squeezed into it is wet
Soil layer, this requires more plugs to link together, and squeezes into toward soil horizon, however the connection side between plug in the prior art
Formula is mainly by the mode of welding and drilling lock screw, this allows for installation personnel toward when beaing stick in soil horizon, plug and plug
Between link position by great impact force, during beaing repeatedly, be easy to cause welding position break or
The fracture of person's screw, and then all that has been achieved is spoiled, the strong influence installation effectiveness and operation process of staff.
The plug of earthed system currently on the market is mostly steel copper facing, copper facing easily oxidation by air in the natural environment,
Copper surface layer falls off, and resistance reducing effect is not achieved, and service life is short, and therefore, it is urgent to provide a kind of cores for earthed system at present
Stick and preparation method thereof is used with realizing that the metal for producing other elements wraps earthed system fixed, that surface layer is not easily to fall off
Plug improves the service life of plug, promotes resistance reducing effect.
Summary of the invention
The plug and preparation method thereof that the purpose of the present invention is to provide a kind of for earthed system, to solve above-mentioned background
The problem of being proposed in technology.
To achieve the above object, the invention provides the following technical scheme:
A kind of plug for earthed system, the plug for earthed system include rod iron, and rod iron surface has wrapped
Raw material including following weight percent: zinc powder 55-60%, copper powder 13-18%, aluminium powder 6-10%, lead powder 0.5-1.5%, stone
Black alkene 7-11%, glass putty 3-5%, surplus are nickel powder.
As a further solution of the present invention: the rod iron shows to wrap the original of the powder including following weight percent
Material: zinc powder 57%, copper powder 15%, aluminium powder 9%, lead powder 1%, graphene 9%, glass putty 4%, nickel powder 5%.
As a further solution of the present invention: the material quality ratio that rod iron and its surface wrap in the plug is 1:
0.06。
As a further solution of the present invention: the diameter of the rod iron is 16 millimeters, and length is 1200 millimeters.
A kind of preparation method of the plug for earthed system, comprising the following steps: the following steps are included: (1) is according to upper
It states formula and weighs each raw material, it is spare；(2) rod iron is placed in octagonal horizontal drum electrothermal furnace and is heated；(3) it takes suitable
Weighed each raw material powdery in quartz sand and step (1), which is poured into octagonal horizontal drum electrothermal furnace, to be sintered, sintering
Temperature is 1000-1250 degrees Celsius, when sintering a length of 2-4h；(4) terminate, close octagonal horizontal drum electrothermal furnace, into
Row cools, a length of 1-3h when cooling.
As a further solution of the present invention: in the sintering process of step (3), control octagonal horizontal drum electrothermal furnace
Roller it is intermittent clockwise with alternate rotation counterclockwise, when sintering a length of 3h.
As a further solution of the present invention: in the cooling procedure of step (4), control octagonal horizontal drum electrothermal furnace
Roller rotation, a length of 2h when cooling.
As a further solution of the present invention: the quartz sand in step (3) in octagonal horizontal drum electrothermal furnace be added
It is 0.6: 1 with the rod iron mass ratio that step (2) are added.
Compared with prior art, the beneficial effects of the present invention are:
The present invention realizes low-temperature melting point under plug sintering temperature by the difference of the fusing point of the powder raw material of various elements
Metallic element wraps the metallic element of high temperature fusing point after becoming liquid, realizes the surface for being firmly attached to rod iron, quartz
Guarantee the uniformly transfer heat effect of sintering process, so that in-furnace temperature uniformity, the plug resistance reducing effect produced is good, surface
Adhesive layer is not easily to fall off, long service life.
Specific embodiment
The technical solution of the patent is explained in further detail With reference to embodiment.
Embodiment 1
The plug for earthed system includes rod iron, and rod iron surface wraps the original including following weight percent
Material: zinc powder 55%, copper powder 13%, aluminium powder 6%, lead powder 0.5%, graphene 7%, glass putty 3%, surplus are nickel powder.
A kind of preparation method of the plug for earthed system, comprising the following steps: (1) weigh each original according to above-mentioned formula
Material, it is spare；(2) rod iron is placed in octagonal horizontal drum electrothermal furnace and is heated；(3) suitable quartz sand and step are taken
(1) weighed each raw material powdery in, which is poured into octagonal horizontal drum electrothermal furnace, to be sintered, and sintering temperature is taken the photograph for 1100
Family name's degree, when sintering a length of 2h；(4) terminate, close octagonal horizontal drum electrothermal furnace, cool down, cool
Shi Changwei 1h.
Embodiment 2
A kind of plug for earthed system, which is characterized in that the plug for earthed system includes rod iron, rod iron
Surface wraps the raw material including following weight percent: zinc powder 60%, copper powder 18%, aluminium powder 10%, lead powder 1.5%, graphite
Alkene 11%, glass putty 5%, surplus are nickel powder.
A kind of preparation method of the plug for earthed system, comprising the following steps: (1) weigh each original according to above-mentioned formula
Material, it is spare；(2) rod iron is placed in octagonal horizontal drum electrothermal furnace and is heated；(3) suitable quartz sand and step are taken
(1) weighed each raw material powdery in, which is poured into octagonal horizontal drum electrothermal furnace, to be sintered, and sintering temperature is taken the photograph for 1250
Family name's degree, when sintering a length of 4h；(4) terminate, close octagonal horizontal drum electrothermal furnace, cool down, cool
Shi Changwei 3h.
Embodiment 3
A kind of plug for earthed system, which is characterized in that the plug for earthed system includes rod iron, rod iron
Surface wraps the raw material including following weight percent: zinc powder 57%, copper powder 15%, aluminium powder 9%, lead powder 1%, graphene
9%, glass putty 4%, nickel powder 5%；The material quality ratio that rod iron and its surface wrap in single plug is 1: 0.06.
A kind of preparation method of the plug for earthed system, comprising the following steps: (1) weigh each original according to above-mentioned formula
Material, it is spare；(2) rod iron is placed in octagonal horizontal drum electrothermal furnace and is heated；(3) suitable quartz sand and step (1) are taken
In weighed each raw material powdery pour into octagonal horizontal drum electrothermal furnace and be sintered, sintering temperature is 1200 Celsius
Degree, when sintering a length of 3h, in sintering process；(4) terminate, close octagonal horizontal drum electrothermal furnace, cool down,
A length of 2h when cooling.
Embodiment 4
A kind of plug for earthed system, which is characterized in that the plug for earthed system includes rod iron, rod iron
Surface wraps the raw material including following weight percent: zinc powder 57%, copper powder 15%, aluminium powder 9%, lead powder 1%, graphene
9%, glass putty 4%, nickel powder 5%；The material quality ratio that rod iron and its surface wrap in single plug is 1: 0.06.
A kind of preparation method of the plug for earthed system, comprising the following steps: (1) weigh each original according to above-mentioned formula
Material, it is spare；(2) rod iron is placed in octagonal horizontal drum electrothermal furnace and is heated；(3) suitable quartz sand and step are taken
(1) weighed each raw material powdery in, which is poured into octagonal horizontal drum electrothermal furnace, to be sintered, the steel of quartz sand and addition
Stick mass ratio is 0.6: 1；Sintering temperature is 1200 degrees Celsius, when sintering a length of 3h；Control octagonal horizontal drum electrothermal furnace
Roller is intermittent clockwise with alternate rotation counterclockwise, guarantees the thermally equivalent of rod iron and raw material powder；(4) sintering knot
Beam is closed octagonal horizontal drum electrothermal furnace, is cooled down, a length of 2h when cooling.
Embodiment 5
A kind of plug for earthed system, which is characterized in that the plug for earthed system includes rod iron, rod iron
Surface wraps the raw material including following weight percent: zinc powder 57%, copper powder 15%, aluminium powder 9%, lead powder 1%, graphene
9%, glass putty 4%, nickel powder 5%；The diameter of rod iron is 16 millimeters, and length is 1200 millimeters.
A kind of preparation method of the plug for earthed system, comprising the following steps: (1) weigh each original according to above-mentioned formula
Material, it is spare；(2) rod iron is placed in octagonal horizontal drum electrothermal furnace and is heated；(3) suitable quartz sand and step are taken
(1) weighed each raw material powdery in, which is poured into octagonal horizontal drum electrothermal furnace, to be sintered, the steel of quartz sand and addition
Stick mass ratio is 0.6: 1；Sintering temperature is 1200 degrees Celsius, when sintering a length of 3h；Control octagonal horizontal drum electrothermal furnace
Roller is intermittent clockwise with alternate rotation counterclockwise, guarantees the thermally equivalent of rod iron and raw material powder；(4) sintering knot
Beam is closed octagonal horizontal drum electrothermal furnace, is cooled down, a length of 2h when cooling, and controls in cooling procedure octagonal
The roller of shape horizontal drum electrothermal furnace is intermittent clockwise with alternate rotation counterclockwise, realizes uniformly distributing for heat.
In the sintering process of plug, sintering temperature is near 1200 degrees Celsius, and the fusing point of steel is 1340 degrees Celsius, zinc
Fusing point is degrees Celsius 420 degrees Celsius, and the fusing point of copper is 1026 degrees Celsius；The fusing point of aluminium is 620 degrees Celsius: the fusing point of lead is 327
Degree Celsius；The fusing point of tin is 240 degrees Celsius；The fusing point of nickel is 1503 degrees Celsius；The fusing point of graphene is 3000 degrees Celsius or more,
In sintering process, main body plug be steel, will not melt, nickel metal will not be melted with graphene, rest zinc, copper,
Aluminium, lead powder end occur to melt and wrap up nickel metal and graphene in rod iron surface, upon a drop in temperature, the zinc of thawing, copper,
It is attached to fixed on rod iron surface together with nickel metal and graphene realization after aluminium, the solidification of lead powder end, the sintering for completing plug made
Journey.
Rod iron used in the present invention is the application of the prior art, and used powder raw material is inventive point of the invention,
In preparation method in conjunction with plug, according to the difference of the fusing point of the powder raw material of various elements, realize low under plug sintering temperature
The metallic element of warm fusing point wraps the metallic element of high temperature fusing point after becoming liquid, realizes the table for being firmly attached to rod iron
Face, quartz sand guarantees the uniformly transfer heat effect of sintering process, so that in-furnace temperature uniformity, the plug resistance reducing effect produced
It is good, have surface adhesive layer not easily to fall off, remarkable advantage with long service life.
The preferred embodiment of the patent is described in detail above, but this patent is not limited to above-mentioned embodiment party
Formula within the knowledge of one of ordinary skill in the art can also be under the premise of not departing from this patent objective
Various changes can be made.
Claims (9)
1. a kind of plug for earthed system, which is characterized in that the plug for earthed system includes rod iron, rod iron table
Face wraps the raw material including following weight percent: zinc powder 55-60%, copper powder 13-18%, aluminium powder 6-10%, lead powder 0.5-
1.5%, graphene 7-11%, glass putty 3-5%, surplus are nickel powder.
2. the plug according to claim 1 for earthed system, which is characterized in that the rod iron show to have wrapped including
The powder raw material of following weight percent: zinc powder 57%, copper powder 15%, aluminium powder 9%, lead powder 1%, graphene 9%, glass putty 4%,
Nickel powder 5%.
3. the plug according to claim 1 for earthed system, which is characterized in that rod iron and its surface in the plug
The material quality ratio wrapped is 1: 0.06.
4. the plug according to claim 1 for earthed system, which is characterized in that the diameter of the rod iron is 16 millis
Rice, length are 1200 millimeters.
5. a kind of preparation method of the plug according to claim 1 to 4 for earthed system, which is characterized in that packet
It includes following steps: (1) weighing each raw material according to above-mentioned formula, it is spare；(2) rod iron is placed in octagonal horizontal drum electrothermal furnace
It is heated；(3) weighed each raw material powdery in suitable quartz sand and step (1) is taken to pour into octagonal horizontal drum electricity
Be sintered in hot stove, sintering temperature is 1000-1250 degrees Celsius, when sintering a length of 2-4h；(4) terminate, close octagonal
Shape horizontal drum electrothermal furnace, cools down, a length of 1-3h when cooling.
6. the preparation method of the plug according to claim 5 for earthed system, which is characterized in that the step (3)
Middle sintering temperature is 1200 degrees Celsius.
7. the preparation method of the plug according to claim 5 for earthed system, which is characterized in that the step (3)
Sintering process in, control octagonal horizontal drum electrothermal furnace roller it is intermittent clockwise with alternate rotation counterclockwise,
A length of 3h when sintering.
8. the preparation method of the plug according to claim 5 for earthed system, which is characterized in that the step (4)
Cooling procedure in, control octagonal horizontal drum electrothermal furnace roller rotation, a length of 2h when cooling.
9. the preparation method of the plug according to claim 5 for earthed system, which is characterized in that the step (3)
The rod iron mass ratio that quartz sand and step (2) in middle octagonal horizontal drum electrothermal furnace be added are added is 0.6: 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810884258.0A CN109244686B (en) | 2018-07-26 | 2018-07-26 | Core rod for grounding system and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810884258.0A CN109244686B (en) | 2018-07-26 | 2018-07-26 | Core rod for grounding system and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109244686A true CN109244686A (en) | 2019-01-18 |
| CN109244686B CN109244686B (en) | 2021-06-18 |
Family
ID=65070120
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810884258.0A Active CN109244686B (en) | 2018-07-26 | 2018-07-26 | Core rod for grounding system and preparation method thereof |
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| CN104637566A (en) * | 2015-02-16 | 2015-05-20 | 中国科学院宁波材料技术与工程研究所 | Metal/graphene composite material and preparation method as well as application thereof |
| CN105601174A (en) * | 2015-10-13 | 2016-05-25 | 国家电网公司 | Preparation method of carbon nanotube modified grounding module |
| WO2018013742A1 (en) * | 2016-07-13 | 2018-01-18 | Hubbell Incorporated | Electrical connection devices with welded wire leads |
| CN108123232A (en) * | 2016-11-29 | 2018-06-05 | 国网河南省电力公司安阳供电公司 | It is a kind of that there is conductive anticorrosive grounding body and preparation method thereof |
| CN106683914A (en) * | 2017-02-25 | 2017-05-17 | 河北工业大学 | Copper-based electrical contact material used for low-voltage electric appliance and preparation method for copper-based electrical contact material |
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