CN105428847B - Power circuit earthing or grounding means - Google Patents
Power circuit earthing or grounding means Download PDFInfo
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- CN105428847B CN105428847B CN201510850252.8A CN201510850252A CN105428847B CN 105428847 B CN105428847 B CN 105428847B CN 201510850252 A CN201510850252 A CN 201510850252A CN 105428847 B CN105428847 B CN 105428847B
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- 229910052751 metal Inorganic materials 0.000 claims abstract description 40
- 239000002184 metal Substances 0.000 claims abstract description 40
- 238000005260 corrosion Methods 0.000 claims abstract description 36
- 239000000203 mixture Substances 0.000 claims abstract description 22
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical group [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims abstract description 20
- 230000007704 transition Effects 0.000 claims abstract description 15
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 8
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 8
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims abstract description 4
- 239000010936 titanium Substances 0.000 claims abstract description 4
- 229910052719 titanium Inorganic materials 0.000 claims abstract description 4
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 claims description 16
- ONDPHDOFVYQSGI-UHFFFAOYSA-N zinc nitrate Chemical compound [Zn+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O ONDPHDOFVYQSGI-UHFFFAOYSA-N 0.000 claims description 16
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 claims description 15
- 239000012528 membrane Substances 0.000 claims description 15
- PUZPDOWCWNUUKD-UHFFFAOYSA-M sodium fluoride Chemical compound [F-].[Na+] PUZPDOWCWNUUKD-UHFFFAOYSA-M 0.000 claims description 12
- KBJMLQFLOWQJNF-UHFFFAOYSA-N nickel(ii) nitrate Chemical compound [Ni+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O KBJMLQFLOWQJNF-UHFFFAOYSA-N 0.000 claims description 8
- 239000002994 raw material Substances 0.000 claims description 8
- 239000011787 zinc oxide Substances 0.000 claims description 8
- MFXMOUUKFMDYLM-UHFFFAOYSA-L zinc;dihydrogen phosphate Chemical compound [Zn+2].OP(O)([O-])=O.OP(O)([O-])=O MFXMOUUKFMDYLM-UHFFFAOYSA-L 0.000 claims description 8
- 239000011775 sodium fluoride Substances 0.000 claims description 6
- 235000013024 sodium fluoride Nutrition 0.000 claims description 6
- 230000001755 vocal effect Effects 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims description 2
- WLQXPAUZYVXSNE-UHFFFAOYSA-N [Ca].O[N+]([O-])=O Chemical compound [Ca].O[N+]([O-])=O WLQXPAUZYVXSNE-UHFFFAOYSA-N 0.000 claims 2
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 claims 1
- 229910052721 tungsten Inorganic materials 0.000 claims 1
- 239000010937 tungsten Substances 0.000 claims 1
- 229910052726 zirconium Inorganic materials 0.000 claims 1
- 238000012795 verification Methods 0.000 abstract description 12
- 230000007797 corrosion Effects 0.000 abstract description 9
- 230000003628 erosive effect Effects 0.000 abstract description 4
- 230000008021 deposition Effects 0.000 abstract description 3
- ZCCIPPOKBCJFDN-UHFFFAOYSA-N calcium nitrate Chemical compound [Ca+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O ZCCIPPOKBCJFDN-UHFFFAOYSA-N 0.000 description 12
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 8
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 6
- 235000005979 Citrus limon Nutrition 0.000 description 6
- 230000007935 neutral effect Effects 0.000 description 4
- 150000003839 salts Chemical class 0.000 description 4
- 239000011780 sodium chloride Substances 0.000 description 4
- 239000007921 spray Substances 0.000 description 4
- 244000248349 Citrus limon Species 0.000 description 3
- 244000131522 Citrus pyriformis Species 0.000 description 3
- 239000002253 acid Substances 0.000 description 3
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 3
- 229910052757 nitrogen Inorganic materials 0.000 description 3
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229910052708 sodium Inorganic materials 0.000 description 2
- 239000011734 sodium Substances 0.000 description 2
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000003518 caustics Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000000280 densification Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003682 fluorination reaction Methods 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000010422 painting Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000006467 substitution reaction 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
- 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
- H01R11/12—End pieces terminating in an eye, hook, or fork
- H01R11/14—End pieces terminating in an eye, hook, or fork the hook being adapted for hanging on overhead or other suspended lines, e.g. hot line clamp
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/02—Contact members
- H01R13/03—Contact members characterised by the material, e.g. plating, or coating materials
Landscapes
- Prevention Of Electric Corrosion (AREA)
Abstract
The invention discloses a kind of power circuit earthing or grounding means, including insulating bar, metal grab and joint, the joint includes the lower screw rod being connected and the upper mounting seat in concave, the lower screw coaxial stretches into insulating bar and is threadedly coupled, and the metal card hook connects are in upper mounting seat;The outer surface of the metal grab and joint is equipped with anticorrosion combination layer, and the anticorrosion combination layer is included from the interior transition zone set gradually outward, anti-corrosion internal layer and asepticised outer layer;The transition zone is layer of titanium metal;The anti-corrosion internal layer is formed by the composition of tungsten wire array and aluminum oxynitride by vapour deposition, and the weight/mass percentage composition of tungsten wire array is 18% 32% in the composition, the space that tungsten wire array is filled up between aluminum oxynitride particulate in the anti-corrosion internal layer;The present invention has stronger Corrosion Protection, effectively avoids the erosion of external environment, can preferably guide current leakage, meets the heat verification and electrically verification of earthing or grounding means.
Description
Technical field
The present invention relates to a kind of power equipment, more particularly to a kind of power circuit earthing or grounding means.
Background technology
Earthing or grounding means be connected on the positions such as electrical appliance enclosure, high-voltage conducting wires in time will be because uneasy caused by a variety of causes
Line unit derived from full electric charge or leakage current;In the maintenance process of transmission line of electricity, to prevent from closing on electrical body production
Raw electrostatic induction is got an electric shock, must connecting earthing device after line outage;Existing earthing or grounding means generally comprises insulating bar
And metal grab, metal grab are connected with insulating bar;In many cases, the use residing for earthing or grounding means, Conservation environment
May be not ideal, such as metal grab is easily etched and damaged under corrosive environment, so as to can not preferably guide electric current
Leakage, the heat verification and electrically verification of earthing or grounding means are not met.
It is therefore desirable to a kind of power circuit earthing or grounding means, makes it have stronger Corrosion Protection, effectively avoids outer shroud
The erosion in border, current leakage can be preferably guided, meet the heat verification and electrically verification of earthing or grounding means.
The content of the invention
In view of this, it is an object of the invention to provide a kind of power circuit earthing or grounding means, stronger anti-corrosion is made it have
Corrosion energy, effectively avoid the erosion of external environment, can preferably guide current leakage, meet earthing or grounding means heat verification and electrically
Verification.
The power circuit earthing or grounding means of the present invention, including insulating bar, metal grab and for connecting insulating bar
With the joint of metal grab, the joint includes the lower screw rod being connected and the upper mounting seat in concave, the lower screw rod
Coaxially stretch into insulating bar and be threadedly coupled, the metal card hook connects are in upper mounting seat;The metal grab and joint
Outer surface is equipped with anticorrosion combination layer, and the anticorrosion combination layer is included out of the interior transition zone set gradually outward, anti-corrosion
Layer and asepticised outer layer;The transition zone is layer of titanium metal;The anti-corrosion internal layer is passed through by the composition of tungsten wire array and aluminum oxynitride
Vapour deposition is formed, and the weight/mass percentage composition of tungsten wire array is 18%-32% in the composition, tungsten wire array in the anti-corrosion internal layer
The space filled up between aluminum oxynitride particulate;The asepticised outer layer is phosphorization membrane, forms the phosphating solution of the phosphorization membrane by weight
Part meter is made up of following raw material:Zinc nitrate 180-250 parts, zinc dihydrogen phosphate 110-150 parts, zinc oxide 20-30 parts, calcium nitrate
50-70 parts, nickel nitrate 5-8 parts, citric acid 5-8 parts, sodium fluoride 2-5 parts.
Further, the weight/mass percentage composition of tungsten wire array is 24%-26% in the composition.
Further, the phosphating solution for forming the phosphorization membrane is made up of following raw material by weight:Zinc nitrate 210-230
Part, zinc dihydrogen phosphate 120-130 parts, zinc oxide 23-26 parts, calcium nitrate 58-64 parts, nickel nitrate 6-7 parts, citric acid 6-7 parts, fluorine
Change sodium 3-4 parts.
Further, the thickness of the transition zone is 0.3 μm -0.8 μm, and the thickness of the anti-corrosion internal layer is 1.2 μm -2.0 μm,
The thickness of the asepticised outer layer is 0.5 μm -1.5 μm.
Further, the metal grab is articulated with upper mounting seat.
Further, the insulating bar is adjustable length telescopic structure
Further, the insulating bar includes outer bar and the interior bar being socketed in the outer bar, the lower end of the interior bar
Radial positioning hole is provided with, is provided with "convex" shaped alignment pin and stage clip in the positioning hole, the stage clip is located at the positioning hole bottom
Between portion and the alignment pin afterbody, be uniformly provided with the bar wall of the outer bar at least two be used for for it is described position pin head part wear
The positioning jack crossed.
Further, the metal grab is " J " shaped and provided with the double tongue type spring clip for being used to clamp wire.
Further, it is connected with audible-visual annunciator on the metal grab;The audible-visual annunciator includes acoustic alarm part and light
Warning member, the outside of the acoustic alarm part are provided with vocal hole, and the outside of the light alarm part is provided with LED flash.
Further, the bottom of the insulating bar is connected with rubber handle.
Beneficial effects of the present invention:The outer surface of the power circuit earthing or grounding means of the present invention, metal grab and joint is all provided with
There is an anticorrosion combination layer, the transition zone in anticorrosion combination layer can improve the adhesive force of anti-corrosion internal layer, and anti-corrosion internal layer has more
Add the structure of densification, can effectively delay the infiltration of corrosive substance to corrode, improve corrosion resistance, phosphorization membrane can be in normal temperature
Lower formation, process is simple, and labor intensity is low, further enhances the adhesive force of anti-corrosion internal layer, there is provided cleaning, uniformly, without grease and
The surface of non-corroding, this structure make the present invention have stronger Corrosion Protection, effectively avoid the erosion of external environment, Neng Gougeng
Current leakage is guided well, meets the heat verification and electrically verification of earthing or grounding means.
Brief description of the drawings
The invention will be further described with reference to the accompanying drawings and examples:
Fig. 1 is the structural representation of the present invention;
Fig. 2 is the structural representation of the anticorrosion combination layer of the present invention;
Fig. 3 is A direction views in Fig. 1;
Fig. 4 is enlarged drawing at B in Fig. 1.
Embodiment
Embodiment one
As shown in the figure:The power circuit earthing or grounding means of the present embodiment, including insulating bar 1, metal grab 2, and be used for
The joint of insulating bar 1 and metal grab 2 is connected, the joint includes the lower screw rod 31 being connected and in the upper of concave
Mounting seat 32, the lower screw rod 31 coaxially stretch into insulating bar 1 and are threadedly coupled, and the metal grab 2 is connected to installation
Seat 32, lower screw rod 31 is connected with upper mounting seat 32;The outer surface of the metal grab 2 and joint is equipped with anticorrosion combination layer,
The anticorrosion combination layer is included from interior the transition zone 9a set gradually outward, anti-corrosion internal layer 9b and asepticised outer layer 9c;The mistake
It is layer of titanium metal to cross layer 9a;The anti-corrosion internal layer 9b is formed by the composition of tungsten wire array and aluminum oxynitride by vapour deposition, institute
The weight/mass percentage composition for stating tungsten wire array in composition is 18%, and tungsten wire array is filled up between aluminum oxynitride particulate in the anti-corrosion internal layer 9b
Space;The asepticised outer layer 9c is phosphorization membrane, forms the phosphating solution of the phosphorization membrane by weight by following raw material group
Into:180 parts of zinc nitrate, 110 parts of zinc dihydrogen phosphate, 20 parts of zinc oxide, 50 parts of calcium nitrate, 5 parts of nickel nitrate, 5 parts of citric acid, fluorination
2 parts of sodium;Wherein, transition zone 9a thickness is 0.3 μm, and anti-corrosion internal layer 9b thickness is 1.2 μm, the thickness of the asepticised outer layer 9c
For 0.5 μm;Refer to outward from close to the outer surface of metal grab 2 or joint to its remote outer surface, wherein transition zone 9a from interior
Closest to this outer surface;Certainly, the setting of anticorrosion combination layer is also required to ensure the electric conductivity of present apparatus metal grab 2
Can, i.e., anticorrosion combination layer can be not provided with the conducting surface of metal grab 2, or even if setting anticorrosion combination layer, it is also desirable to
Conducting end is set simultaneously.
In the present embodiment, the metal grab 2 is articulated with upper mounting seat 32;Metal grab 2 is " J " shaped and provided with for pressing from both sides
The double tongue type spring clip 21 of tight wire;The lower end of metal grab 2 stretch into the dead slot position of upper mounting seat 32 and can by bolt,
Nut connects, and is realized with this be hinged;The top of insulating bar 1 is provided with the screw being engaged with lower screw rod 31;Metal grab 2 with
Joint is hinged, and metal grab 2 can offset the axis side-to-side movement of insulating bar 1, vertical with tilting wire in metal grab 2
In the case of connecting, insulating bar 1 can relatively rotate adjustment and remain the state with horizontal plane, ensure metal
Grab 2 has enough contacts area with being connect wire, preferably to guide current leakage, meets heat verification and the electricity of ground wire
Gas verifies.
In the present embodiment, the insulating bar 1 is adjustable length telescopic structure;Different voltage class can be directed to
Different length is adjusted to, was both easy to use, also allows for storing, transport, the maintenance requirement of different voltage class can be applied to;This
In embodiment, the insulating bar 1 includes outer bar 11 and the interior bar 12 that is socketed in the outer bar 11, under the interior bar 12
End is provided with radial positioning hole 12a, is provided with "convex" shaped alignment pin 41 and stage clip 42 in the positioning hole 12a, the stage clip 42 is set
Between the positioning hole 12a bottoms and the afterbody of the alignment pin 41, at least two are uniformly provided with the bar wall of the outer bar 11
For the positioning jack 11a passed through for the head of alignment pin 41;Alignment pin is engaged with positioning jack, realize interior bar 12 with it is outer
The positioning of bar 11, make insulating bar 1 that there is different length;This is simple in construction, is easily achieved, and meets the inspection of different height
Survey, strengthen the versatility of the present apparatus.
In the present embodiment, audible-visual annunciator 5 is connected with the metal grab 2;The audible-visual annunciator 5 includes acoustic alarm
Part 51 and light alarm part 52, the outside of the acoustic alarm part 51 are provided with vocal hole 51a, and the outside of the light alarm part 52 is provided with
LED flash 52a;Audible-visual annunciator 5 can carry out real-time electrical verification to high-tension line, and be simultaneously emitted by acoustic alarm and light alarm, prevent
The security incident of staff's live ground wire only occurs, improves safety in utilization;As shown in Fig. 2 acoustic alarm part 51
It is located at downside in upside, light alarm part 52, after equipment live is detected, acoustic alarm part 51 beeps, while light alarm
Part 52 starts LED flash and carries out compartment flicker, fully to warn operating personnel.
In the present embodiment, the bottom of the insulating bar 1 is connected with rubber handle 6;Rubber handle can be protected preferably
The safety of staff is demonstrate,proved, and strengthens the comfortableness of operation;In addition, the settable luminous painting of the shaft of the insulating bar 1
Layer (not shown);Luminescent coating is preferably fluorescent material, and fluorescence can be sent under night-environment, is easy to staff to know
The position of other earth lead, state.
35 DEG C of neutral salt spray (NaCl concentration 5%) tests are carried out to the earthing or grounding means of the present embodiment, are as a result found, its
Corrosion phenomenon is had after 145.5 hours.
Embodiment two
The present embodiment and the structure of embodiment one are substantially the same, and it differs only in the structure of anticorrosion combination layer;At this
In embodiment, the weight/mass percentage composition of tungsten wire array is 32% in the composition, and tungsten wire array fills up nitrogen in the anti-corrosion internal layer 9b
Space between alumina particulate;The asepticised outer layer 9c is phosphorization membrane, forms the phosphating solution of the phosphorization membrane by weight
It is made up of following raw material:250 parts of zinc nitrate, 150 parts of zinc dihydrogen phosphate, 30 parts of zinc oxide, 70 parts of calcium nitrate, 8 parts of nickel nitrate, lemon
Lemon acid 8 parts, 5 parts of sodium fluoride;Wherein, transition zone 9a thickness is 0.4 μm, and anti-corrosion internal layer 9b thickness is 1.3 μm, the anti-corrosion
Outer layer 9c thickness is 0.6 μm.
35 DEG C of neutral salt spray (NaCl concentration 5%) tests are carried out to the earthing or grounding means of the present embodiment, are as a result found, its
Corrosion phenomenon is had after 152.0 hours.
Embodiment three
The present embodiment and the structure of embodiment one are substantially the same, and it differs only in the structure of anticorrosion combination layer;At this
In embodiment, the weight/mass percentage composition of tungsten wire array is 26% in the composition, and tungsten wire array fills up nitrogen in the anti-corrosion internal layer 9b
Space between alumina particulate;The asepticised outer layer 9c is phosphorization membrane, forms the phosphating solution of the phosphorization membrane by weight
It is made up of following raw material:230 parts of zinc nitrate, 130 parts of zinc dihydrogen phosphate, 26 parts of zinc oxide, 64 parts of calcium nitrate, 7 parts of nickel nitrate, lemon
Lemon acid 7 parts, 4 parts of sodium fluoride;Wherein, transition zone 9a thickness is 0.5 μm, and anti-corrosion internal layer 9b thickness is 1.5 μm, the anti-corrosion
Outer layer 9c thickness is 0.7 μm.
35 DEG C of neutral salt spray (NaCl concentration 5%) tests are carried out to the earthing or grounding means of the present embodiment, are as a result found, its
Corrosion phenomenon is had after 160.5 hours.
Example IV
The present embodiment and the structure of embodiment one are substantially the same, and it differs only in the structure of anticorrosion combination layer;At this
In embodiment, the weight/mass percentage composition of tungsten wire array is 26% in the composition, and tungsten wire array fills up nitrogen in the anti-corrosion internal layer 9b
Space between alumina particulate;The asepticised outer layer 9c is phosphorization membrane, forms the phosphating solution of the phosphorization membrane by weight
It is made up of following raw material:230 parts of zinc nitrate, 130 parts of zinc dihydrogen phosphate, 26 parts of zinc oxide, 64 parts of calcium nitrate, 7 parts of nickel nitrate, lemon
Lemon acid 7 parts, 4 parts of sodium fluoride;Wherein, transition zone 9a thickness is 0.8 μm, and anti-corrosion internal layer 9b thickness is 2.0 μm, the anti-corrosion
Outer layer 9c thickness is 1.5 μm.
35 DEG C of neutral salt spray (NaCl concentration 5%) tests are carried out to the earthing or grounding means of the present embodiment, are as a result found, its
Corrosion phenomenon is had after 155.0 hours.
Finally illustrate, the above embodiments are merely illustrative of the technical solutions of the present invention and it is unrestricted, although with reference to compared with
The present invention is described in detail good embodiment, it will be understood by those within the art that, can be to the skill of the present invention
Art scheme is modified or equivalent substitution, and without departing from the objective and scope of technical solution of the present invention, it all should cover at this
Among the right of invention.
Claims (9)
1. a kind of power circuit earthing or grounding means, including insulating bar, metal grab and for connecting insulating bar and metal
The joint of grab, the joint includes the lower screw rod being connected and the upper mounting seat in concave, the lower screw coaxial are stretched
Enter insulating bar and be threadedly coupled, the metal card hook connects are in upper mounting seat;It is characterized in that:The metal grab and connect
The outer surface of head is equipped with anticorrosion combination layer, and the anticorrosion combination layer includes from the interior transition zone set gradually outward, prevented
Rotten internal layer and asepticised outer layer;The transition zone is layer of titanium metal;The anti-corrosion internal layer is by tungsten wire array and the composition of aluminum oxynitride
Formed by being vapor-deposited, the weight/mass percentage composition of tungsten wire array is 18%-32% in the composition, tungsten in the anti-corrosion internal layer
The space that sour zirconium is filled up between aluminum oxynitride particulate;The asepticised outer layer is phosphorization membrane, and the phosphating solution for forming the phosphorization membrane is pressed
Parts by weight meter is made up of following raw material:Zinc nitrate 180-250 parts, zinc dihydrogen phosphate 110-150 parts, zinc oxide 20-30 parts, nitric acid
Calcium 50-70 parts, nickel nitrate 5-8 parts, citric acid 5-8 parts, sodium fluoride 2-5 parts;The thickness of the transition zone is 0.3 μm -0.8 μm,
The thickness of the anti-corrosion internal layer is 1.2 μm -2.0 μm, and the thickness of the asepticised outer layer is 0.5 μm -1.5 μm.
2. power circuit earthing or grounding means according to claim 1, it is characterised in that:The quality of tungsten wire array in the composition
Percentage composition is 24%-26%.
3. power circuit earthing or grounding means according to claim 2, it is characterised in that:The phosphating solution for forming the phosphorization membrane is pressed
Parts by weight meter is made up of following raw material:Zinc nitrate 210-230 parts, zinc dihydrogen phosphate 120-130 parts, zinc oxide 23-26 parts, nitric acid
Calcium 58-64 parts, nickel nitrate 6-7 parts, citric acid 6-7 parts, sodium fluoride 3-4 parts.
4. power circuit earthing or grounding means according to claim 3, it is characterised in that:The metal grab is articulated with installation
Seat.
5. power circuit earthing or grounding means according to claim 4, it is characterised in that:The insulating bar is that length is variable
Telescopic structure.
6. power circuit earthing or grounding means according to claim 5, it is characterised in that:The insulating bar include outer bar and
The interior bar being socketed in the outer bar, the lower end of the interior bar are provided with radial positioning hole, "convex" shaped are provided with the positioning hole
Alignment pin and stage clip, the stage clip are located between the positioning hole bottom and the alignment pin afterbody, on the bar wall of the outer bar
At least two are uniformly provided with to be used for for described positioning the positioning jack that passes through of pin head part.
7. power circuit earthing or grounding means according to claim 6, it is characterised in that:The metal grab is " J " shaped and sets
There is the double tongue type spring clip for clamping wire.
8. power circuit earthing or grounding means according to claim 7, it is characterised in that:Acousto-optic is connected on the metal grab
Alarm;The audible-visual annunciator includes acoustic alarm part and light alarm part, and the outside of the acoustic alarm part is provided with vocal hole, described
The outside of light alarm part is provided with LED flash.
9. power circuit earthing or grounding means according to claim 8, it is characterised in that:The bottom connection of the insulating bar
There is rubber handle.
Priority Applications (1)
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CN201510850252.8A CN105428847B (en) | 2015-11-27 | 2015-11-27 | Power circuit earthing or grounding means |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201510850252.8A CN105428847B (en) | 2015-11-27 | 2015-11-27 | Power circuit earthing or grounding means |
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CN105428847A CN105428847A (en) | 2016-03-23 |
CN105428847B true CN105428847B (en) | 2018-01-12 |
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Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5321379U (en) * | 1976-08-03 | 1978-02-23 | ||
JPS608497Y2 (en) * | 1980-06-06 | 1985-03-26 | 関西電力株式会社 | Wire grounding equipment |
CN102586730A (en) * | 2011-01-17 | 2012-07-18 | 鸿富锦精密工业(深圳)有限公司 | Film-coated part and preparation method thereof |
CN103296500A (en) * | 2013-05-29 | 2013-09-11 | 国家电网公司 | Single-hook double-tongue tightening earthing clamp |
CN203491409U (en) * | 2013-10-15 | 2014-03-19 | 国家电网公司 | Telescopic alarm grounding device |
CN203631771U (en) * | 2013-11-16 | 2014-06-04 | 国家电网公司 | Angle-adjustable ground wire device |
CN204497406U (en) * | 2015-04-13 | 2015-07-22 | 国家电网公司 | High-tension overhead line protective earthing line |
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2015
- 2015-11-27 CN CN201510850252.8A patent/CN105428847B/en active Active
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JPS5321379U (en) * | 1976-08-03 | 1978-02-23 | ||
JPS608497Y2 (en) * | 1980-06-06 | 1985-03-26 | 関西電力株式会社 | Wire grounding equipment |
CN102586730A (en) * | 2011-01-17 | 2012-07-18 | 鸿富锦精密工业(深圳)有限公司 | Film-coated part and preparation method thereof |
CN103296500A (en) * | 2013-05-29 | 2013-09-11 | 国家电网公司 | Single-hook double-tongue tightening earthing clamp |
CN203491409U (en) * | 2013-10-15 | 2014-03-19 | 国家电网公司 | Telescopic alarm grounding device |
CN203631771U (en) * | 2013-11-16 | 2014-06-04 | 国家电网公司 | Angle-adjustable ground wire device |
CN204497406U (en) * | 2015-04-13 | 2015-07-22 | 国家电网公司 | High-tension overhead line protective earthing line |
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