CN109326897A - A grounding bolt and grounding device - Google Patents
A grounding bolt and grounding device Download PDFInfo
- Publication number
- CN109326897A CN109326897A CN201811311673.3A CN201811311673A CN109326897A CN 109326897 A CN109326897 A CN 109326897A CN 201811311673 A CN201811311673 A CN 201811311673A CN 109326897 A CN109326897 A CN 109326897A
- Authority
- CN
- China
- Prior art keywords
- parts
- screw rod
- nut
- jack
- earth
- Prior art date
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- Pending
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- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 18
- 238000012360 testing method Methods 0.000 claims description 18
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 9
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 9
- ZDVYABSQRRRIOJ-UHFFFAOYSA-N boron;iron Chemical compound [Fe]#B ZDVYABSQRRRIOJ-UHFFFAOYSA-N 0.000 claims description 9
- 229910052802 copper Inorganic materials 0.000 claims description 9
- 239000010949 copper Substances 0.000 claims description 9
- 229910002804 graphite Inorganic materials 0.000 claims description 9
- 239000010439 graphite Substances 0.000 claims description 9
- 239000004615 ingredient Substances 0.000 claims description 9
- 229910052759 nickel Inorganic materials 0.000 claims description 9
- 229910010271 silicon carbide Inorganic materials 0.000 claims description 9
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 claims description 9
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 8
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 claims description 8
- UONOETXJSWQNOL-UHFFFAOYSA-N tungsten carbide Chemical compound [W+]#[C-] UONOETXJSWQNOL-UHFFFAOYSA-N 0.000 claims description 7
- 229910000831 Steel Inorganic materials 0.000 claims description 6
- 239000010959 steel Substances 0.000 claims description 6
- 229910052709 silver Inorganic materials 0.000 claims description 5
- 239000004332 silver Substances 0.000 claims description 5
- 238000003466 welding Methods 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims 1
- 238000000465 moulding Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 3
- 239000000843 powder Substances 0.000 description 12
- 238000011282 treatment Methods 0.000 description 12
- 238000000034 method Methods 0.000 description 10
- 238000002360 preparation method Methods 0.000 description 10
- 239000002994 raw material Substances 0.000 description 8
- 230000007797 corrosion Effects 0.000 description 7
- 238000005260 corrosion Methods 0.000 description 7
- 239000000956 alloy Substances 0.000 description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 238000007493 shaping process Methods 0.000 description 4
- 238000005245 sintering Methods 0.000 description 4
- 238000013461 design Methods 0.000 description 3
- 230000003628 erosive effect Effects 0.000 description 3
- 229910045601 alloy Inorganic materials 0.000 description 2
- 238000003763 carbonization Methods 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 2
- 229910052721 tungsten Inorganic materials 0.000 description 2
- 239000010937 tungsten Substances 0.000 description 2
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 230000002421 anti-septic effect Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000002513 implantation Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 229910017604 nitric acid Inorganic materials 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 238000010186 staining Methods 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 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
- H01R4/28—Clamped connections, spring connections
- H01R4/30—Clamped connections, spring connections utilising a screw or nut clamping member
- H01R4/32—Conductive members located in slot or hole in screw
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R11/00—Individual connecting elements providing two or more spaced connecting locations for conductive members which are, or may be, thereby interconnected, e.g. end pieces for wires or cables supported by the wire or cable and having means for facilitating electrical connection to some other wire, terminal, or conductive member, blocks of binding posts
- H01R11/11—End pieces or tapping pieces for wires, supported by the wire and for facilitating electrical connection to some other wire, terminal or conductive member
-
- 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
-
- 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
Landscapes
- Powder Metallurgy (AREA)
Abstract
The invention discloses a kind of earth stud, including bolt body, the bolt body includes nut and screw rod, and jack is provided on the screw rod, and one end of the screw rod is fixedly connected with nut;One end that screw rod is used to connect with nut is connecting pin, and the jack has aperture on the connecting pin;The jack is circular hole, and the axis collinear of the axis of jack and nut, the aperture of jack are less than the internal diameter of nut.It can not only enable ground line easy to connect with this configuration, it is firm, the contact area of ground line and earth stud can also be increased, reach good ground connection power effect.
Description
Technical field
The present invention relates to electrical test earth stud and earthing or grounding means processing preparation field more particularly to a kind of ground connection spiral shells
The structure of bolt designs.
Background technique
In current power industry system, the safe and stable operation of all power equipments all be unable to do without electrical test work.Electricity
In gas experiment work, safe and reliable ground connection is guarantee test personnel's personal safety, and testing equipment, tested device are safe and full
The important link and technological means of sufficient test specification and accuracy.Field or other there is no the place of good earth point
When carrying out electrical test, it is necessary to which good, convenient grounding point is provided using temporary earthing device.
But existing for example common grounding pin of ground connection makeshift device etc. all only provides one or two ground connection leading point, Bu Nengman
Numerous needs such as equipment, test item ground connection and equipment electric discharge in foot test;And leading point is grounded using plain bolt or is twined
Around mode and ground line connect, connect it is inconvenient and not firm, cause working site ground line it is in disorder, T node is excessive, existing
Terminals on earth plate are easy to be corroded, and influence the electric conductivity of conducting wire and earthing or grounding means.
Summary of the invention
For solve existing earthing or grounding means ground line be grounded leading point and connect inconvenient and not firm, cause working site to connect
Ground wire is in disorder and T node is excessive, and the technological deficiency that Wiring port is easily corroded on earth plate, the present invention provides a kind of electrical grounding
Test grounding pin, the connection of solution leading point is inconvenient and not firm, and the technological deficiency being easily corroded reaches easy to connect and firm
The technology leaned on, it is ensured that the technical effect of testing crew personal safety.
To reach above-mentioned technical effect, it is achieved by following technical solution:
A kind of earth stud, including bolt body, the bolt body include nut and screw rod, are provided on the screw rod
One end of jack, the screw rod is fixedly connected with nut;
One end that screw rod is used to connect with nut is connecting pin, and the jack has aperture on the connecting pin;
The jack is circular hole, and the axis collinear of the axis of jack and nut, the aperture of jack are less than the internal diameter of nut.
Preferably, one end of the screw rod is connected through a screw thread with nut.
Preferably, the screw rod comprising following parts by weight ingredient by forming: 5-15 parts of iron boride, 1-5 parts of silicon carbide, and carbonization
It is 3-9 parts of tungsten, 0.5-1.5 parts of titanium oxide, 5-15 parts of copper, 0.5-1.5 parts of nickel, 1.5-3 parts of graphite, 1-10 parts silver-colored.
Preferably, the screw rod comprising following parts by weight ingredient by forming: 5-10 parts of iron boride, 3-5 parts of silicon carbide, and carbonization
It is 6-9 parts of tungsten, 0.5-1 parts of titanium oxide, 5-10 parts of copper, 0.5-1 parts of nickel, 2-3 parts of graphite, 5-8 parts silver-colored.
Preferably, the screw rod comprising following parts by weight ingredient by forming: 6 parts of iron boride, 4 parts of silicon carbide, and tungsten carbide 7
Part, 0.8 part of titanium oxide, 8 parts of copper, 6 parts of nickel, 2.6 parts of graphite, 6 parts of silver.
The preparation method of the screw rod includes following preparation step:
1) mold prepares: needing to choose tubing according to the length of screw rod to be produced, processes inner hole of pipe, makes respective mode
Tool;
2) raw material configures: taking raw material powder to be uniformly mixed according to component needed for nut stem material, initial powder is made;
3) it suppresses blank: manufactured initial powder being filled up to vacant mold cavity, and is sufficiently compacted, and to mould type
Chamber forvacuum, vacuum degree are 0.5 × 10-3~1.0 × 10-4Pa keeps higher vacuum state, is made and is pre-sintered blank;
4) green body is made: pre-sintering blank is made and is sintered, screw rod green body is made;
5) 1-2 normalized treatment normalized treatment: is carried out to screw rod green body obtained;
6) machine-shaping: removal mold, after being ground outer circle to required size to the screw rod green body after normalized treatment, finally
Subsequent working process is carried out to the undressed part of green body, screw rod finished product is made.
A kind of earthing or grounding means, including earth plate further include any earth stud described above, the other end of the screw rod
It is fixedly connected with earth plate.
A kind of electrical test grounding pin, including earthing pole further include earthing or grounding means described in claim, ground connection dress
It sets and is fixedly connected with earthing pole.
Preferably, earth plate and earthing pole are bonded and are integral by welding or integrally formed mode.
Preferably, handle is installed between the earthing pole and earth plate.
Preferably, the ground connection extremely sharp cylindrical round steel in one end.
Earthing pole top is hammered when work is implanted into it in the earth soil, and handle is used for the implantation of auxiliary earth pole and tears open
It removes, on the different Special grounding bolts that a plurality of different ground lines can be connected on earth plate.Have on ground line and ground connection spiral shell
The corresponding screw thread of bolt is fixed on earth stud for that will be grounded.
The utility model has the advantages that
Earth stud has unique design in the present invention, is equipped with screw rod on nut, and after conductor wire insertion, line is twisted
Tightly on nut, the installation method is easy, firm, and ground line is inserted into screw rod, increases contact of the ground line with screw rod
Area, the electric conductivity of lifting device.
In the present invention, screw rod using alloy material prepare, have excellent electric conductivity, anticorrosion feature, avoid due to
Interface corrosion, influences the electric conductivity of grounding pin.
Detailed description of the invention
The structural schematic diagram of one specific embodiment of Fig. 1 grounding pin;
The structural schematic diagram of one specific embodiment of Fig. 2 earthing or grounding means;
The cross-sectional view of one specific embodiment of Fig. 3 earth stud;
Description of symbols: handle 1, earthing pole 2, earth plate 3, earth stud 4, ground connection nut 41, screw rod 42, jack
43。
Specific embodiment
A kind of earth stud of embodiment 1
A kind of earth stud, including bolt body 4, the bolt body 4 include nut 41 and screw rod 42, the screw rod 42
On be provided with jack 43, one end of the screw rod 42 is fixedly connected with nut 41;
One end that screw rod 42 is used to connect with nut 41 is connecting pin, and the jack 43 has hole on the connecting pin
Mouthful;
The jack 43 is circular hole, and the axis collinear of the axis of jack 43 and nut 41, the aperture of jack 43 are less than spiral shell
The internal diameter of cap 41.
One end of the screw rod 42 is connected through a screw thread with nut 41.
The screw rod 42 is prepared by common iron.
A kind of earth stud of embodiment 2
A kind of earth stud, including bolt body 4, the bolt body 4 include nut 41 and screw rod 42, the screw rod 42
On be provided with jack 43, one end of the screw rod 42 is fixedly connected with nut 41;
One end that screw rod 42 is used to connect with nut 41 is connecting pin, and the jack 43 has hole on the connecting pin
Mouthful;
The jack 43 is circular hole, and the axis collinear of the axis of jack 43 and nut 41, the aperture of jack 43 are less than spiral shell
The internal diameter of cap 41.
One end of the screw rod 42 and nut 41 pass through welded connecting.
The screw rod 42 is made of following parts by weight ingredient: 5 parts of iron boride, 1 part of silicon carbide, and 3 parts of tungsten carbide, titanium oxide
0.5 part, 5 parts of copper, 0.5 part of nickel, 1.5 parts of graphite, 1 part of silver.
The preparation method of the screw rod 42 includes following preparation step:
1) mold prepares: needing to choose tubing according to the length of screw rod to be produced, processes inner hole of pipe, makes respective mode
Tool;
2) raw material configures: taking raw material powder to be uniformly mixed according to component needed for nut stem material, initial powder is made;
3) it suppresses blank: manufactured initial powder being filled up to vacant mold cavity, and is sufficiently compacted, and to mould type
Chamber forvacuum, vacuum degree are 0.5 × 10-3Higher vacuum state is kept, is made and is pre-sintered blank;
4) green body is made: pre-sintering blank is made and is sintered, screw rod green body is made;
5) 1 normalized treatment normalized treatment: is carried out to screw rod green body obtained;
6) machine-shaping: removal mold, after being ground outer circle to required size to the screw rod green body after normalized treatment, finally
Subsequent working process is carried out to the undressed part of green body, screw rod finished product is made.
A kind of earth stud of embodiment 3
A kind of earth stud, including bolt body 4, the bolt body 4 include nut 41 and screw rod 42, the screw rod 42
On be provided with jack 43, one end of the screw rod 42 is fixedly connected with nut 41;
One end that screw rod 42 is used to connect with nut 41 is connecting pin, and the jack 43 has hole on the connecting pin
Mouthful;
The jack 43 is circular hole, and the axis collinear of the axis of jack 43 and nut 41, the aperture of jack 43 are less than spiral shell
The internal diameter of cap 41.
One end of the screw rod 42 is connected through a screw thread with nut 41.
The screw rod 42 is made of following parts by weight ingredient: 6 parts of iron boride, 4 parts of silicon carbide, and 7 parts of tungsten carbide, titanium oxide
0.8 part, 8 parts of copper, 6 parts of nickel, 2.6 parts of graphite, 6 parts of silver.
The preparation method of the screw rod 42 includes following preparation step:
1) mold prepares: needing to choose tubing according to the length of screw rod to be produced, processes inner hole of pipe, makes respective mode
Tool;
2) raw material configures: taking raw material powder to be uniformly mixed according to component needed for nut stem material, initial powder is made;
3) it suppresses blank: manufactured initial powder being filled up to vacant mold cavity, and is sufficiently compacted, and to mould type
Chamber forvacuum, vacuum degree are 5 × 10-3Higher vacuum state is kept, is made and is pre-sintered blank;
4) green body is made: pre-sintering blank is made and is sintered, screw rod green body is made;
5) 2 normalized treatments normalized treatment: are carried out to screw rod green body obtained;
6) machine-shaping: removal mold, after being ground outer circle to required size to the screw rod green body after normalized treatment, finally
Subsequent working process is carried out to the undressed part of green body, screw rod finished product is made.
Embodiment 4
A kind of earth stud
A kind of earth stud, including bolt body 4, the bolt body 4 include nut 41 and screw rod 42, the screw rod 42
On be provided with jack 43, one end of the screw rod 42 is fixedly connected with nut 41;
One end that screw rod 42 is used to connect with nut 41 is connecting pin, and the jack 43 has hole on the connecting pin
Mouthful;
The jack 43 is circular hole, and the axis collinear of the axis of jack 43 and nut 41, the aperture of jack 43 are less than spiral shell
The internal diameter of cap 41.
One end of the screw rod 42 is connected through a screw thread with nut 41.
The screw rod 42 is formed comprising following parts by weight ingredient: 15 parts of iron boride, 5 parts of silicon carbide, and 9 parts of tungsten carbide, oxidation
1.5 parts of titanium, 15 parts of copper, 1.5 parts of nickel, 3 parts of graphite, 10 parts of silver.
The preparation method of the screw rod 42 includes following preparation step:
1) mold prepares: needing to choose tubing according to the length of screw rod to be produced, processes inner hole of pipe, makes respective mode
Tool;
2) raw material configures: taking raw material powder to be uniformly mixed according to component needed for nut stem material, initial powder is made;
3) it suppresses blank: manufactured initial powder being filled up to vacant mold cavity, and is sufficiently compacted, and to mould type
Chamber forvacuum, vacuum degree are 0.5 × 10-3~1.0 × 10-4Pa keeps higher vacuum state, is made and is pre-sintered blank;
4) green body is made: pre-sintering blank is made and is sintered, screw rod green body is made;
5) 1-2 normalized treatment normalized treatment: is carried out to screw rod green body obtained;
6) machine-shaping: removal mold, after being ground outer circle to required size to the screw rod green body after normalized treatment, finally
Subsequent working process is carried out to the undressed part of green body, screw rod finished product is made.
A kind of earthing or grounding means of embodiment 5
A kind of earthing or grounding means, including earth plate 3 further include any earth stud of embodiment 1-4, the screw rod 42
One end is connect with nut, and the other end is fixedly connected with earth plate.
A kind of electrical test grounding pin of embodiment 6
A kind of electrical test grounding pin, including earthing pole 2 further include earthing or grounding means described in embodiment 5, ground connection dress
It sets and is fixedly connected by welding with earthing pole 2, handle 1 is installed between the earthing pole 2 and earth plate 3, the earthing pole 2 is
The sharp cylindrical round steel in one end.
A kind of electrical test grounding pin of embodiment 7
A kind of electrical test grounding pin, including earthing pole 2 further include earthing or grounding means described in embodiment 5, ground connection dress
It sets and is fixedly connected with earthing pole 2 by integrally formed mode, handle 1, institute are installed between the earthing pole 2 and earth plate 3
Stating earthing pole 2 is the sharp cylindrical round steel in one end.
Performance detection:
1. screw rod Corrosion Protection
Alloy screw sample and steel as matrix material are taken, the test comparison of the corrosion resistance of different condition is carried out, it is each to survey
Test result is as follows:
At room temperature, the case where alloy sample is corroded in 65% nitric acid to 65h respectively with steel as matrix material compares
Such as table 1:
Table 1
Antiseptic property | |
Embodiment 1 | Canescence is presented in most surfaces, and about 40% region forms red dotted rust staining. |
Embodiment 2 | Surface is by slight erosion, and about 1% region is by pitting corrosion at reddish brown rusty scale. |
Embodiment 3 | There is not pitting corrosion phenomenon by slight erosion in surface. |
Embodiment 4 | Surface is by slight erosion, and about 2% region is by pitting corrosion at reddish brown rusty scale. |
As shown in Table 1, the screw rod of the alloy material preparation used in the present invention has extraordinary corrosion resistance, is significantly better than
Common iron.
2. screw rod electric conductivity
Table 2:
Detect screw rod electric conductivity, from the data in table 2, it can be seen that screw rod prepared by alloy material used in the present invention have than
Common just better conductivity.
The above is only to be not intended to limit the scope of the present invention to presently preferred embodiments of the present invention, therefore do not taking off
Under the premise of design spirit of the present invention, this field ordinary engineering and technical personnel is to structure, feature and principle of the present invention
The equivalence changes or decoration made, should all fall into the protection scope of the present patent application patent.
Claims (10)
1. a kind of earth stud, including bolt body (4), the bolt body (4) includes nut (41) and screw rod (42), spy
Sign is, is provided with jack (43) on the screw rod (42), and one end of the screw rod (42) is fixedly connected with nut (41);
One end that screw rod (42) is used to connect with nut (41) is connecting pin, and the jack (43) has hole on the connecting pin
Mouthful;
The jack (43) is circular hole, and the axis collinear of the axis of jack (43) and nut (41), the aperture of jack (43) are small
Internal diameter in nut (41).
2. earth stud according to claim 1, which is characterized in that one end of the screw rod (42) passes through with nut (41)
It is threadedly coupled.
3. earth stud according to claim 1, which is characterized in that the screw rod (42) is by including following parts by weight ingredient group
At: 5-15 parts of iron boride, 1-5 parts of silicon carbide, 3-9 parts of tungsten carbide, 0.5-1.5 parts of titanium oxide, 5-15 parts of copper, 0.5-1.5 parts of nickel,
It is 1.5-3 parts of graphite, 1-10 parts silver-colored.
4. earth stud according to claim 1, which is characterized in that the screw rod (42) is by including following parts by weight ingredient group
At: 5-10 parts of iron boride, 3-5 parts of silicon carbide, 6-9 parts of tungsten carbide, 0.5-1 parts of titanium oxide, 5-10 parts of copper, 0.5-1 parts of nickel, graphite
It is 2-3 parts, 5-8 parts silver-colored.
5. earth stud according to claim 1, which is characterized in that the screw rod (42) is by including following parts by weight ingredient
Composition: 6 parts of iron boride, 4 parts of silicon carbide, 7 parts of tungsten carbide, 0.8 part of titanium oxide, 8 parts of copper, 6 parts of nickel, 2.6 parts of graphite, 6 parts of silver.
6. a kind of earthing or grounding means, including earth plate (3), which is characterized in that further include the ground connection as described in claim 1-6 is any
The other end of bolt, the screw rod (42) is fixedly connected with earth plate (3).
7. a kind of electrical test grounding pin, including earthing pole (2), which is characterized in that further include ground connection as claimed in claim 6
Device, the earthing or grounding means are fixedly connected with earthing pole (2).
8. grounding pin according to claim 7, which is characterized in that earth plate (3) and earthing pole (2) pass through welding or one
Molding mode, which is bonded, to be integral.
9. grounding pin according to claim 7, which is characterized in that be equipped between the earthing pole (2) and earth plate (3)
Handle (1).
10. grounding pin according to claim 7, which is characterized in that the earthing pole (2) is the sharp cylinder circle in one end
Steel.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201811311673.3A CN109326897A (en) | 2018-11-06 | 2018-11-06 | A grounding bolt and grounding device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201811311673.3A CN109326897A (en) | 2018-11-06 | 2018-11-06 | A grounding bolt and grounding device |
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Publication Number | Publication Date |
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CN109326897A true CN109326897A (en) | 2019-02-12 |
Family
ID=65259296
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201811311673.3A Pending CN109326897A (en) | 2018-11-06 | 2018-11-06 | A grounding bolt and grounding device |
Country Status (1)
Country | Link |
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CN (1) | CN109326897A (en) |
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---|---|---|---|---|
CN2035535U (en) * | 1988-06-15 | 1989-04-05 | 柳建国 | High efficient connector for conductor and electric appliances by hand operation |
CN2174788Y (en) * | 1993-12-02 | 1994-08-17 | 黄水艳 | Electric connector with screw |
CN201233970Y (en) * | 2008-01-04 | 2009-05-06 | 孙永春 | Fastening connector for grounding wire |
CN203553381U (en) * | 2013-11-25 | 2014-04-16 | 国家电网公司 | Grounding device ensuring good electric contact |
CN103774054A (en) * | 2012-10-24 | 2014-05-07 | 邓俊杰 | Alloy screw material and production technology of screws by adopting material |
-
2018
- 2018-11-06 CN CN201811311673.3A patent/CN109326897A/en active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2035535U (en) * | 1988-06-15 | 1989-04-05 | 柳建国 | High efficient connector for conductor and electric appliances by hand operation |
CN2174788Y (en) * | 1993-12-02 | 1994-08-17 | 黄水艳 | Electric connector with screw |
CN201233970Y (en) * | 2008-01-04 | 2009-05-06 | 孙永春 | Fastening connector for grounding wire |
CN103774054A (en) * | 2012-10-24 | 2014-05-07 | 邓俊杰 | Alloy screw material and production technology of screws by adopting material |
CN203553381U (en) * | 2013-11-25 | 2014-04-16 | 国家电网公司 | Grounding device ensuring good electric contact |
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