CN107541617A - A kind of high voltage grading ring - Google Patents
A kind of high voltage grading ring Download PDFInfo
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- CN107541617A CN107541617A CN201710524703.8A CN201710524703A CN107541617A CN 107541617 A CN107541617 A CN 107541617A CN 201710524703 A CN201710524703 A CN 201710524703A CN 107541617 A CN107541617 A CN 107541617A
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- ring body
- titanium alloy
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- nickel
- lower ring
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B17/00—Insulators or insulating bodies characterised by their form
- H01B17/42—Means for obtaining improved distribution of voltage; Protection against arc discharges
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C14/00—Alloys based on titanium
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C19/00—Alloys based on nickel or cobalt
- C22C19/007—Alloys based on nickel or cobalt with a light metal (alkali metal Li, Na, K, Rb, Cs; earth alkali metal Be, Mg, Ca, Sr, Ba, Al Ga, Ge, Ti) or B, Si, Zr, Hf, Sc, Y, lanthanides, actinides, as the next major constituent
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C19/00—Alloys based on nickel or cobalt
- C22C19/03—Alloys based on nickel or cobalt based on nickel
- C22C19/05—Alloys based on nickel or cobalt based on nickel with chromium
- C22C19/058—Alloys based on nickel or cobalt based on nickel with chromium without Mo and W
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D3/00—Electroplating: Baths therefor
- C25D3/02—Electroplating: Baths therefor from solutions
- C25D3/12—Electroplating: Baths therefor from solutions of nickel or cobalt
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D7/00—Electroplating characterised by the article coated
- C25D7/04—Tubes; Rings; Hollow bodies
Abstract
A kind of high voltage grading ring, including isometrical titanium alloy upper ring body and titanium alloy lower ring body, ring body among nickel alloy is provided between upper ring body and lower ring body, upper ring body, lower ring body and middle ring body intermediate parallel and it is coaxially disposed, it is attached between adjacent ring body by the connector being arranged on ring body circumference, upper ring body and lower ring body diameter are less than middle ring body, titanium alloy electronickelling can be effectively ensured annular solid and be combined closely with insulating materials, at the same because environment reason causes insulator to come off when ring body also there is more preferable weatherability；Ring body, which is positioned among grading ring, among nickel alloy has more preferable voltage stabilizing conducting effect.
Description
Technical field
The present invention relates to a kind of high voltage grading ring, belongs to electric power accessory technical field.
Background technology
In domestic direct current 500kV transmission lines of electricity, largely using the excellent compound inslation of hydrophobicity performance and anti-fouling flashover performance
Son, and insulator used installs pressure-equalizing device at both ends.The purpose is to improve composite insulator both ends electric-field intensity distribution, drop
End portion nearby damage and cause insulator end sealing by the spread voltage on full skirt, galvanic corrosion of the reduction electric arc to insulator end
The possibility that can decline, and effect of the pressure-equalizing device on insulator to improving insulator Potential distribution is particularly important.To direct current
The Potential distribution rule of duplex composite insulator and the optimum choice of grading ring assembling mode carry out detailed research, to obtain
Optimal Potential distribution rule, provided safeguard to extend insulator service life.
The content of the invention
A kind of high voltage grading ring, including isometrical titanium alloy upper ring body and titanium alloy lower ring body, upper ring body and lower ring body
Between be provided with ring body among nickel alloy, upper ring body, lower ring body and middle ring body intermediate parallel and be coaxially disposed, adjacent ring body
Between be attached by the connector being arranged on ring body circumference, upper ring body and lower ring body diameter are less than middle ring body,
Ring body chemical element mass percent composition is among nickel alloy：Ti 5-6 ﹪, Cr 3-4 ﹪, In 0.7-0.8 ﹪, Zr
0.5-0.6 ﹪, Ca 0.3-0.4 ﹪, Si 0.3-0.4 ﹪, Nb0.1-0.2 ﹪, Zn0.07-0.08 ﹪, C 0.06-0.07 ﹪,
Al 0.04-0.05 ﹪, La0.03-0.04 ﹪, Pr 0.01-0.02 ﹪, surplus Ni, nickel alloy needed for ring body among nickel alloy
Stocked up, nickel alloy material base is heated into 1120-1130 DEG C under 600 tons of forging press forges；Temperature control exists afterwards
950-960 DEG C insulation 20 minutes after extruded, afterwards at 750-760 DEG C, be incubated 3 hours, be put on belling press and carry out
Enlarging, carries out rotary pressing processing on spinning machine afterwards, and the first passage spinning temperature is maintained at 930-940 DEG C；The speed of mainshaft is up to 2.7
Turn/s, feed ratio 0.5mm/r, the second passage spinning temperature is maintained at 870-880 DEG C；The speed of mainshaft is up to 2 turns/s, feed ratio
0.8mm/r, the 3rd passage spinning temperature are maintained at 810-820 DEG C；The speed of mainshaft feed ratio 1.4mm/r, obtains up to 1.6 turns/s
Middle ring body,
Titanium alloy upper ring body and titanium alloy lower ring body chemical element mass percent composition are：Mn 6-7 ﹪, Co 4-5 ﹪, Zr
2-3 ﹪, Bi 1-2 ﹪, Cr 0.7-0.8 ﹪, Cu 0.4-0.5 ﹪, Al 0.2-0.3 ﹪, Ca 0.08-0.09 ﹪, Ga 0.04-
0.05 ﹪, W 0.02-0.03 ﹪, Nb 0.01-0.02 ﹪, surplus Ti, titanium needed for titanium alloy upper ring body and titanium alloy lower ring body
Alloy is stocked up respectively, and titanium alloy material base is heated into 1330-1340 DEG C under 750 tons of forging press forges；Temperature afterwards
Control is extruded after being incubated 10 minutes at 1250-1260 DEG C, afterwards at 950-960 DEG C, is incubated 3 hours, is put into enlarging pressure
Enlarging is carried out on machine, carries out rotary pressing processing on spinning machine afterwards, the first passage spinning temperature is maintained at 970-980 DEG C；Main shaft
2.4 turns/s of turn up, feed ratio 0.4mm/r, the second passage spinning temperature are maintained at 930-940 DEG C；The speed of mainshaft up to 1.9 turns/
S, feed ratio 0.7mm/r, the 3rd passage spinning temperature are maintained at 830-840 DEG C；The speed of mainshaft is up to 1.1 turns/s, feed ratio
1.1mm/r, titanium alloy upper ring body blank and titanium alloy lower ring body blank are respectively obtained, by titanium alloy upper ring body blank and titanium alloy
Electronickelling, electro-nickel process are carried out after the pretreatment of lower ring body blank surface：It is 35 DEG C, current density 6A/dm2 to control temperature,
Electroplating time is 85min, afterwards in 50 DEG C of hot water, rinses 40s, is heat-treated afterwards in heating furnace is put into, temperature control
At 55 DEG C, soaking time 5min, reducing temperature to 40 DEG C of heat treatment 10min, electronickelling liquid composition afterwards is：Solvent is water, chlorine
Change nickel 25-30g/L, nickel acetate 20-25g/L, nickel nitrate 13-14g/L, sodium hydroxide 12g/L, ammonium citrate 8g/L, saccharin 8g/
L, sodium chloride 5g/L, ammonium acid fluoride 5g/L, respectively obtain upper ring body and lower ring body,
Afterwards to upper ring body, lower ring body and middle ring body outer wrapping insulating materials.
A kind of described high voltage grading ring, nickel alloy centre ring body chemical element mass percent composition are：The ﹪ of Ti 5,
Cr 3 ﹪, In 0.7 ﹪, Zr 0.5 ﹪, Ca 0.3 ﹪, Si 0.3 ﹪, Nb0.1 ﹪, Zn0.07-0.08 ﹪, C 0.06-
0.07 ﹪, Al 0.04-0.05 ﹪, La0.03-0.04 ﹪, Pr 0.01-0.02 ﹪, surplus Ni.
A kind of described high voltage grading ring, nickel alloy centre ring body chemical element mass percent composition are：The ﹪ of Ti 6,
Cr 4 ﹪, In 0.8 ﹪, Zr 0.6 ﹪, Ca 0.4 ﹪, Si 0.4 ﹪, Nb0.2 ﹪, Zn0.08 ﹪, C 0.07 ﹪, Al
0.05 ﹪, La0.04 ﹪, Pr 0.02 ﹪, surplus Ni.
A kind of described high voltage grading ring, nickel alloy centre ring body chemical element mass percent composition are：Ti
5.5 ﹪, Cr 3.5 ﹪, In 0.75 ﹪, Zr 0.55 ﹪, Ca 0.35 ﹪, Si 0.35 ﹪, Nb0.15 ﹪, Zn0.075 ﹪, C
0.065 ﹪, Al 0.045 ﹪, La0.035 ﹪, Pr 0.015 ﹪, surplus Ni.
A kind of described high voltage grading ring, electronickelling liquid composition are：Solvent is water, nickel chloride 25g/L, nickel acetate 20g/
L, nickel nitrate 13g/L, sodium hydroxide 12g/L, ammonium citrate 8g/L, saccharin 8g/L, sodium chloride 5g/L, ammonium acid fluoride 5g/L.
A kind of described high voltage grading ring, electronickelling liquid composition are：Solvent is water, nickel chloride 30g/L, nickel acetate 25g/
L, nickel nitrate 14g/L, sodium hydroxide 12g/L, ammonium citrate 8g/L, saccharin 8g/L, sodium chloride 5g/L, ammonium acid fluoride 5g/L.
A kind of described high voltage grading ring, electronickelling liquid composition are：Solvent is water, nickel chloride 28g/L, nickel acetate 23g/
L, nickel nitrate 13.5g/L, sodium hydroxide 12g/L, ammonium citrate 8g/L, saccharin 8g/L, sodium chloride 5g/L, ammonium acid fluoride 5g/L.
A kind of described high voltage grading ring, nickel alloy material base is heated to 1120 DEG C under 600 tons of forging press and forged.
A kind of described high voltage grading ring, nickel alloy material base is heated to 1130 DEG C under 600 tons of forging press and forged.
A kind of described high voltage grading ring, nickel alloy material base is heated to 1125 DEG C under 600 tons of forging press and forged.
Be provided with the fixture for grading ring being fixed on the component for needing to press on lower ring body（Accompanying drawing is not shown）,
The component can be insulator, be attached between adjacent ring body by the connector being arranged on ring body circumference, connection can
Be welding.Upper ring body, lower ring body, connector and middle ring body outer wrapping insulating materials.
Foregoing invention content is relative to the beneficial effect of prior art： 1）Grading ring of the present invention uses three-decker
So that mechanical structure more it is stable press it is quicker；2）Upper lower ring body ensure that voltage equalizing also takes into account intensity using titanium alloy
It is required that 3）Titanium alloy electronickelling can be effectively ensured annular solid and be combined closely with insulating materials, while cause absolutely because of environment reason
Ring body also has more preferable weatherability when edge body comes off；4）Ring body, which is positioned among grading ring, among nickel alloy has preferably surely
Press conducting effect.
Brief description of the drawings
Fig. 1 is high voltage grading ring schematic diagram.
Embodiment
In order to which technical characteristic, purpose and the effect of the present invention is more clearly understood, now describe the present invention's in detail
Embodiment.
A kind of high voltage grading ring as shown in Figure 1, including isometrical titanium alloy upper ring body 1 and titanium alloy lower ring body 2, upper ring
It is provided with ring body 3 among nickel alloy between body and lower ring body, upper ring body, lower ring body and middle ring body intermediate parallel and coaxially sets
Put, be attached between adjacent ring body by the connector 4 being arranged on ring body circumference, during upper ring body and lower ring body diameter are less than
Between ring body,
Embodiment 5
A kind of high voltage grading ring, including isometrical titanium alloy upper ring body and titanium alloy lower ring body, between upper ring body and lower ring body
It is provided with ring body among nickel alloy, upper ring body, lower ring body and middle ring body intermediate parallel and is coaxially disposed, between adjacent ring body
It is attached by the connector being arranged on ring body circumference, upper ring body and lower ring body diameter are less than middle ring body,
Ring body chemical element mass percent composition is among nickel alloy：Ti 5.7 ﹪, Cr 3.8 ﹪, In 0.73 ﹪, Zr
0.58 ﹪, Ca 0.37 ﹪, Si 0.34 ﹪, Nb0.18 ﹪, Zn0.073 ﹪, C 0.068 ﹪, Al 0.048 ﹪, La0.038 ﹪,
Pr 0.019 ﹪, surplus Ni, nickel alloy needed for ring body is stocked up among nickel alloy, and nickel alloy material base is heated into 1120-
1130 DEG C are forged under 600 tons of forging press；Temperature control is extruded after being incubated 20 minutes at 950-960 DEG C afterwards, afterwards
At 750-760 DEG C, 3 hours are incubated, is put on belling press and carries out enlarging, carry out rotary pressing processing on spinning machine afterwards, the
A time spinning temperature is maintained at 930-940 DEG C；The speed of mainshaft is up to 2.7 turns/s, feed ratio 0.5mm/r, the second passage spinning temperature
Degree is maintained at 870-880 DEG C；The speed of mainshaft is maintained at 810-820 up to 2 turns/s, feed ratio 0.8mm/r, the 3rd passage spinning temperature
℃；The speed of mainshaft feed ratio 1.4mm/r, obtains middle ring body up to 1.6 turns/s,
Titanium alloy upper ring body and titanium alloy lower ring body chemical element mass percent composition are：Mn 6.7 ﹪, Co 4.8 ﹪, Zr
2.9 ﹪, Bi 1.8 ﹪, Cr 0.73 ﹪, Cu 0.44 ﹪, Al 0.28 ﹪, Ca 0.089 ﹪, Ga 0.047 ﹪, W 0.028 ﹪,
The ﹪ of Nb 0.016, surplus Ti, titanium alloy needed for titanium alloy upper ring body and titanium alloy lower ring body is stocked up respectively, by titanium alloy
Material base is heated to 1330-1340 DEG C and forged under 750 tons of forging press；Temperature control is incubated 10 points at 1250-1260 DEG C afterwards
Extruded after clock, afterwards at 950-960 DEG C, be incubated 3 hours, be put on belling press and carry out enlarging, afterwards in spinning machine
Upper carry out rotary pressing processing, the first passage spinning temperature are maintained at 970-980 DEG C；The speed of mainshaft is up to 2.4 turns/s, feed ratio 0.4mm/
R, the second passage spinning temperature are maintained at 930-940 DEG C；The speed of mainshaft is revolved up to 1.9 turns/s, feed ratio 0.7mm/r, the 3rd passage
Pressure temperature is maintained at 830-840 DEG C；The speed of mainshaft respectively obtains titanium alloy upper ring body base up to 1.1 turns/s, feed ratio 1.1mm/r
Material and titanium alloy lower ring body blank, it will be electroplated after titanium alloy upper ring body blank and the pretreatment of titanium alloy lower ring body blank surface
Nickel, electro-nickel process：It is 35 DEG C, current density 6A/dm2, electroplating time 85min to control temperature, afterwards in 50 DEG C of heat
In water, 40s is rinsed, is heat-treated afterwards in heating furnace is put into, temperature control reduces temperature afterwards at 55 DEG C, soaking time 5min
To 40 DEG C of heat treatment 10min, electronickelling liquid forms is degree：Solvent is water, nickel chloride 27g/L, nickel acetate 24g/L, nickel nitrate
13.7g/L, sodium hydroxide 12g/L, ammonium citrate 8g/L, saccharin 8g/L, sodium chloride 5g/L, ammonium acid fluoride 5g/L, are respectively obtained
Upper ring body and lower ring body,
Afterwards to upper ring body, lower ring body and middle ring body outer wrapping insulating materials.
Claims (5)
1. a kind of high voltage grading ring, including isometrical titanium alloy upper ring body and titanium alloy lower ring body, upper ring body and lower ring body it
Between be provided with ring body among nickel alloy, upper ring body, lower ring body and middle ring body intermediate parallel and be coaxially disposed, adjacent ring body it
Between be attached by the connector being arranged on ring body circumference, upper ring body and lower ring body diameter are less than middle ring body,
Ring body chemical element mass percent composition is among nickel alloy：Ti 5-6 ﹪, Cr 3-4 ﹪, In 0.7-0.8 ﹪, Zr
0.5-0.6 ﹪, Ca 0.3-0.4 ﹪, Si 0.3-0.4 ﹪, Nb0.1-0.2 ﹪, Zn0.07-0.08 ﹪, C 0.06-0.07 ﹪,
Al 0.04-0.05 ﹪, La0.03-0.04 ﹪, Pr 0.01-0.02 ﹪, surplus Ni, nickel alloy needed for ring body among nickel alloy
Stocked up, nickel alloy material base is heated into 1120-1130 DEG C under 600 tons of forging press forges；Temperature control exists afterwards
950-960 DEG C insulation 20 minutes after extruded, afterwards at 750-760 DEG C, be incubated 3 hours, be put on belling press and carry out
Enlarging, carries out rotary pressing processing on spinning machine afterwards, and the first passage spinning temperature is maintained at 930-940 DEG C；The speed of mainshaft is up to 2.7
Turn/s, feed ratio 0.5mm/r, the second passage spinning temperature is maintained at 870-880 DEG C；The speed of mainshaft is up to 2 turns/s, feed ratio
0.8mm/r, the 3rd passage spinning temperature are maintained at 810-820 DEG C；The speed of mainshaft feed ratio 1.4mm/r, obtains up to 1.6 turns/s
Middle ring body,
Titanium alloy upper ring body and titanium alloy lower ring body chemical element mass percent composition are：Mn 6-7 ﹪, Co 4-5 ﹪, Zr
2-3 ﹪, Bi 1-2 ﹪, Cr 0.7-0.8 ﹪, Cu 0.4-0.5 ﹪, Al 0.2-0.3 ﹪, Ca 0.08-0.09 ﹪, Ga 0.04-
0.05 ﹪, W 0.02-0.03 ﹪, Nb 0.01-0.02 ﹪, surplus Ti, titanium needed for titanium alloy upper ring body and titanium alloy lower ring body
Alloy is stocked up respectively, and titanium alloy material base is heated into 1330-1340 DEG C under 750 tons of forging press forges；Temperature afterwards
Control is extruded after being incubated 10 minutes at 1250-1260 DEG C, afterwards at 950-960 DEG C, is incubated 3 hours, is put into enlarging pressure
Enlarging is carried out on machine, carries out rotary pressing processing on spinning machine afterwards, the first passage spinning temperature is maintained at 970-980 DEG C；Main shaft
2.4 turns/s of turn up, feed ratio 0.4mm/r, the second passage spinning temperature are maintained at 930-940 DEG C；The speed of mainshaft up to 1.9 turns/
S, feed ratio 0.7mm/r, the 3rd passage spinning temperature are maintained at 830-840 DEG C；The speed of mainshaft is up to 1.1 turns/s, feed ratio
1.1mm/r, titanium alloy upper ring body blank and titanium alloy lower ring body blank are respectively obtained, by titanium alloy upper ring body blank and titanium alloy
Electronickelling, electro-nickel process are carried out after the pretreatment of lower ring body blank surface：It is 35 DEG C, current density 6A/dm2 to control temperature,
Electroplating time is 85min, afterwards in 50 DEG C of hot water, rinses 40s, is heat-treated afterwards in heating furnace is put into, temperature control
At 55 DEG C, soaking time 5min, reducing temperature to 40 DEG C of heat treatment 10min, electronickelling liquid composition afterwards is：Solvent is water, chlorine
Change nickel 25-30g/L, nickel acetate 20-25g/L, nickel nitrate 13-14g/L, sodium hydroxide 12g/L, ammonium citrate 8g/L, saccharin 8g/
L, sodium chloride 5g/L, ammonium acid fluoride 5g/L, respectively obtain upper ring body and lower ring body,
Afterwards to upper ring body, lower ring body and middle ring body outer wrapping insulating materials,
Be provided with the fixture for grading ring being fixed on the component for needing to press on lower ring body, the component is insulation
Son, be attached by the connector being arranged on ring body circumference between adjacent ring body, connection is welding, upper ring body, lower ring body,
Connector and middle ring body outer wrapping insulating materials.
2. a kind of high voltage grading ring, including isometrical titanium alloy upper ring body and titanium alloy lower ring body, upper ring body and lower ring body it
Between be provided with ring body among nickel alloy, upper ring body, lower ring body and middle ring body intermediate parallel and be coaxially disposed, adjacent ring body it
Between be attached by the connector being arranged on ring body circumference, upper ring body and lower ring body diameter are less than middle ring body,
Ring body chemical element mass percent composition is among nickel alloy：Ti 5.7 ﹪, Cr 3.8 ﹪, In 0.73 ﹪, Zr
0.58 ﹪, Ca 0.37 ﹪, Si 0.34 ﹪, Nb0.18 ﹪, Zn0.073 ﹪, C 0.068 ﹪, Al 0.048 ﹪, La0.038 ﹪,
Pr 0.019 ﹪, surplus Ni, nickel alloy needed for ring body is stocked up among nickel alloy, and nickel alloy material base is heated into 1120-
1130 DEG C are forged under 600 tons of forging press；Temperature control is extruded after being incubated 20 minutes at 950-960 DEG C afterwards, afterwards
At 750-760 DEG C, 3 hours are incubated, is put on belling press and carries out enlarging, carry out rotary pressing processing on spinning machine afterwards, the
A time spinning temperature is maintained at 930-940 DEG C；The speed of mainshaft is up to 2.7 turns/s, feed ratio 0.5mm/r, the second passage spinning temperature
Degree is maintained at 870-880 DEG C；The speed of mainshaft is maintained at 810-820 up to 2 turns/s, feed ratio 0.8mm/r, the 3rd passage spinning temperature
℃；The speed of mainshaft feed ratio 1.4mm/r, obtains middle ring body up to 1.6 turns/s,
Titanium alloy upper ring body and titanium alloy lower ring body chemical element mass percent composition are：Mn 6.7 ﹪, Co 4.8 ﹪, Zr
2.9 ﹪, Bi 1.8 ﹪, Cr 0.73 ﹪, Cu 0.44 ﹪, Al 0.28 ﹪, Ca 0.089 ﹪, Ga 0.047 ﹪, W 0.028 ﹪,
The ﹪ of Nb 0.016, surplus Ti, titanium alloy needed for titanium alloy upper ring body and titanium alloy lower ring body is stocked up respectively, by titanium alloy
Material base is heated to 1330-1340 DEG C and forged under 750 tons of forging press；Temperature control is incubated 10 points at 1250-1260 DEG C afterwards
Extruded after clock, afterwards at 950-960 DEG C, be incubated 3 hours, be put on belling press and carry out enlarging, afterwards in spinning machine
Upper carry out rotary pressing processing, the first passage spinning temperature are maintained at 970-980 DEG C；The speed of mainshaft is up to 2.4 turns/s, feed ratio 0.4mm/
R, the second passage spinning temperature are maintained at 930-940 DEG C；The speed of mainshaft is revolved up to 1.9 turns/s, feed ratio 0.7mm/r, the 3rd passage
Pressure temperature is maintained at 830-840 DEG C；The speed of mainshaft respectively obtains titanium alloy upper ring body base up to 1.1 turns/s, feed ratio 1.1mm/r
Material and titanium alloy lower ring body blank, it will be electroplated after titanium alloy upper ring body blank and the pretreatment of titanium alloy lower ring body blank surface
Nickel, electro-nickel process：It is 35 DEG C, current density 6A/dm2, electroplating time 85min to control temperature, afterwards in 50 DEG C of heat
In water, 40s is rinsed, is heat-treated afterwards in heating furnace is put into, temperature control reduces temperature afterwards at 55 DEG C, soaking time 5min
To 40 DEG C of heat treatment 10min, electronickelling liquid forms is degree：Solvent is water, nickel chloride 27g/L, nickel acetate 24g/L, nickel nitrate
13.7g/L, sodium hydroxide 12g/L, ammonium citrate 8g/L, saccharin 8g/L, sodium chloride 5g/L, ammonium acid fluoride 5g/L, are respectively obtained
Upper ring body and lower ring body,
Afterwards to upper ring body, lower ring body and middle ring body outer wrapping insulating materials.
3. a kind of high voltage grading ring as claimed in claim 1, nickel alloy centre ring body chemical element mass percent composition
For：Ti 5 ﹪, Cr 3 ﹪, In 0.7 ﹪, Zr 0.5 ﹪, Ca 0.3 ﹪, Si 0.3 ﹪, Nb0.1 ﹪, Zn0.07-0.08 ﹪, C
0.06-0.07 ﹪, Al 0.04-0.05 ﹪, La0.03-0.04 ﹪, Pr 0.01-0.02 ﹪, surplus Ni.
4. a kind of high voltage grading ring as claimed in claim 3, nickel alloy centre ring body chemical element mass percent composition
For：Ti 6 ﹪, Cr 4 ﹪, In 0.8 ﹪, Zr 0.6 ﹪, Ca 0.4 ﹪, Si 0.4 ﹪, Nb0.2 ﹪, Zn0.08 ﹪, C
0.07 ﹪, Al 0.05 ﹪, La0.04 ﹪, Pr 0.02 ﹪, surplus Ni.
5. a kind of high voltage grading ring as claimed in claim 1, nickel alloy centre ring body chemical element mass percent composition
For：Ti 5.5 ﹪, Cr 3.5 ﹪, In 0.75 ﹪, Zr 0.55 ﹪, Ca 0.35 ﹪, Si 0.35 ﹪, Nb0.15 ﹪,
Zn0.075 ﹪, C 0.065 ﹪, Al 0.045 ﹪, La0.035 ﹪, Pr 0.015 ﹪, surplus Ni.
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| CN201710524703.8A CN107541617B (en) | 2016-06-28 | 2016-06-28 | A kind of high voltage grading ring |
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|---|---|---|---|---|
| JP2004192938A (en) * | 2002-12-11 | 2004-07-08 | Matsushita Electric Ind Co Ltd | Magnetron |
| CN201946400U (en) * | 2011-04-13 | 2011-08-24 | 浙江恒大科技电气有限公司 | Voltage-equalizing ring for 220kV lightning arrester |
| CN102653046A (en) * | 2011-03-03 | 2012-09-05 | 赵凯志 | Method for manufacturing hub of high-performance cross-country recreational vehicle |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2009072764A (en) * | 2007-09-21 | 2009-04-09 | Waertsilae Schweiz Ag | Exhaust gas particle filter and method for manufacturing exhaust gas particle filter |
| CN101532155B (en) * | 2009-02-26 | 2010-08-11 | 上海造币有限公司 | Application process of multi-layer electroplated coinage materials and products thereof |
| KR20130048224A (en) * | 2010-06-14 | 2013-05-09 | 크루서블 인텔렉츄얼 프라퍼티 엘엘씨. | Tin-containing amorphous alloy |
| DE102012015828B4 (en) * | 2012-08-10 | 2014-09-18 | VDM Metals GmbH | Use of a nickel-chromium-iron-aluminum alloy with good processability |
| CN203690032U (en) * | 2013-12-13 | 2014-07-02 | 中国西电电气股份有限公司 | EHV (extra-high voltage) suspension type DC (direct current) arrester |
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- 2016-06-28 CN CN201610484324.6A patent/CN105931768B/en active Active
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004192938A (en) * | 2002-12-11 | 2004-07-08 | Matsushita Electric Ind Co Ltd | Magnetron |
| CN102653046A (en) * | 2011-03-03 | 2012-09-05 | 赵凯志 | Method for manufacturing hub of high-performance cross-country recreational vehicle |
| CN201946400U (en) * | 2011-04-13 | 2011-08-24 | 浙江恒大科技电气有限公司 | Voltage-equalizing ring for 220kV lightning arrester |
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| Publication number | Publication date |
|---|---|
| CN107541617B (en) | 2019-11-05 |
| CN105931768A (en) | 2016-09-07 |
| CN105931768B (en) | 2018-01-23 |
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