CN105931768B - A kind of high voltage grading ring - Google Patents
A kind of high voltage grading ring Download PDFInfo
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- CN105931768B CN105931768B CN201610484324.6A CN201610484324A CN105931768B CN 105931768 B CN105931768 B CN 105931768B CN 201610484324 A CN201610484324 A CN 201610484324A CN 105931768 B CN105931768 B CN 105931768B
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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, grading ring of the present invention using three-decker cause mechanical structure more it is stable press it is quicker；Upper lower ring body ensure that voltage equalizing also takes into account intensity requirement using titanium alloy.
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, ring among nickel alloy
Nickel alloy is stocked up needed for body, and nickel alloy material base is heated into 1120-1130 DEG C under 600 tons of forging press forges；Afterwards
Temperature control is extruded after being incubated 20 minutes at 950-960 DEG C, afterwards at 750-760 DEG C, is incubated 3 hours, is put into enlarging pressure
Enlarging is carried out on power machine, carries out rotary pressing processing on spinning machine afterwards, the first passage spinning temperature is maintained at 930-940 DEG C；It is main
Rotating speed is maintained at 870-880 DEG C up to 2.7 turns/s, feed ratio 0.5mm/r, the second passage spinning temperature；The speed of mainshaft 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 is up to 1.6 turns/s, feed ratio
1.4mm/r, middle ring body is obtained,
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, ring under titanium alloy upper ring body and titanium alloy
Titanium alloy is stocked up respectively needed for body, and titanium alloy material base is heated into 1330-1340 DEG C under 750 tons of forging press forges；
Temperature control is extruded after being incubated 10 minutes at 1250-1260 DEG C afterwards, afterwards at 950-960 DEG C, is incubated 3 hours, is put into
Enlarging is carried out on belling press, carries out rotary pressing processing on spinning machine afterwards, the first passage spinning temperature is maintained at 970-980
℃；The speed of mainshaft is maintained at 930-940 DEG C up to 2.4 turns/s, feed ratio 0.4mm/r, the second passage spinning temperature；The speed of mainshaft reaches
1.9 turns/s, feed ratio 0.7mm/r, the 3rd passage spinning temperature is maintained at 830-840 DEG C；The speed of mainshaft is fed up to 1.1 turns/s
Than 1.1mm/r, titanium alloy upper ring body blank and titanium alloy lower ring body blank are respectively obtained, titanium alloy upper ring body blank and titanium are closed
Electronickelling, electro-nickel process are carried out after golden lower ring body blank surface pretreatment：It is 35 DEG C to control temperature, current density 6A/
Dm2, electroplating time 85min, afterwards in 50 DEG C of hot water, 40s is rinsed, is heat-treated afterwards in heating furnace is put into, temperature
At 55 DEG C, soaking time 5min, reducing temperature to 40 DEG C of heat treatment 10min, electronickelling liquid composition afterwards is for control：Solvent is
Water, nickel chloride 25-30g/L, nickel acetate 20-25g/L, nickel nitrate 13-14g/L, sodium hydroxide 12g/L, ammonium citrate 8g/L, sugar
Smart 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 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
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 ﹪, Cr 3 ﹪, In 0.7 ﹪, Zr
0.5 ﹪, Ca 0.3 ﹪, Si 0.3 ﹪, Nb0.1 ﹪, Zn0.07 ﹪, C 0.06 ﹪, Al 0.04 ﹪, La0.03 ﹪, Pr 0.01-
0.02 ﹪, surplus Ni, nickel alloy needed for the ring body of nickel alloy centre are stocked up, and nickel alloy material base is heated into 1120-1130
DEG C forged under 600 tons of forging press；Temperature control is extruded after being incubated 20 minutes at 950-960 DEG C afterwards, Zhi Hou
750-760 DEG C, 3 hours are incubated, is put on belling press and carries out enlarging, carries out rotary pressing processing on spinning machine afterwards, first
Passage 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
It 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 ﹪, Co 4 ﹪, Zr
The ﹪ of 2 ﹪, Bi 1 ﹪, Cr 0.7 ﹪, Cu 0.4 ﹪, Al 0.2 ﹪, Ca 0.08 ﹪, Ga 0.04 ﹪, W 0.02 ﹪, Nb 0.01,
Surplus is Ti, and titanium alloy needed for titanium alloy upper ring body and titanium alloy lower ring body is stocked up, titanium alloy material base is heated to respectively
1330-1340 DEG C is forged under 750 tons of forging press；Temperature control is squeezed after being incubated 10 minutes at 1250-1260 DEG C afterwards
Pressure, afterwards at 950-960 DEG C, 3 hours are incubated, is put on belling press and carries out enlarging, carry out spinning on spinning machine afterwards
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 is maintained at 930-940 DEG C；The speed of mainshaft is kept up to 1.9 turns/s, feed ratio 0.7mm/r, the 3rd passage spinning temperature
At 830-840 DEG C；The speed of mainshaft feed ratio 1.1mm/r, respectively obtains titanium alloy upper ring body blank and titanium alloy up to 1.1 turns/s
Lower ring body blank, electronickelling, electronickelling will be carried out after titanium alloy upper ring body blank and the pretreatment of titanium alloy lower ring body blank surface
Technique：It is 35 DEG C, current density 6A/dm2, electroplating time 85min to control temperature, afterwards in 50 DEG C of hot water, rinsing
40s, it is heat-treated afterwards in heating furnace is put into, temperature control reduces temperature to 40 DEG C of heat afterwards at 55 DEG C, soaking time 5min
10min is handled, electronickelling liquid composition is：Solvent is water, nickel chloride 25g/L, nickel acetate 20g/L, nickel nitrate 13g/L, hydroxide
Sodium 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.
Embodiment 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
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 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, nickel alloy needed for the ring body of nickel alloy centre are stocked up, and nickel alloy material base is heated into 1120-1130
DEG C forged under 600 tons of forging press；Temperature control is extruded after being incubated 20 minutes at 950-960 DEG C afterwards, Zhi Hou
750-760 DEG C, 3 hours are incubated, is put on belling press and carries out enlarging, carries out rotary pressing processing on spinning machine afterwards, first
Passage 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
It 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 7 ﹪, Co 5 ﹪, Zr
The ﹪ of 3 ﹪, Bi 2 ﹪, Cr 0.8 ﹪, Cu 0.5 ﹪, Al 0.3 ﹪, Ca 0.09 ﹪, Ga 0.05 ﹪, W 0.03 ﹪, Nb 0.02,
Surplus is Ti, and titanium alloy needed for titanium alloy upper ring body and titanium alloy lower ring body is stocked up, titanium alloy material base is heated to respectively
1330-1340 DEG C is forged under 750 tons of forging press；Temperature control is squeezed after being incubated 10 minutes at 1250-1260 DEG C afterwards
Pressure, afterwards at 950-960 DEG C, 3 hours are incubated, is put on belling press and carries out enlarging, carry out spinning on spinning machine afterwards
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 is maintained at 930-940 DEG C；The speed of mainshaft is kept up to 1.9 turns/s, feed ratio 0.7mm/r, the 3rd passage spinning temperature
At 830-840 DEG C；The speed of mainshaft feed ratio 1.1mm/r, respectively obtains titanium alloy upper ring body blank and titanium alloy up to 1.1 turns/s
Lower ring body blank, electronickelling, electronickelling will be carried out after titanium alloy upper ring body blank and the pretreatment of titanium alloy lower ring body blank surface
Technique：It is 35 DEG C, current density 6A/dm2, electroplating time 85min to control temperature, afterwards in 50 DEG C of hot water, rinsing
40s, it is heat-treated afterwards in heating furnace is put into, temperature control reduces temperature to 40 DEG C of heat afterwards at 55 DEG C, soaking time 5min
10min is handled, electronickelling liquid composition is：Solvent is water, nickel chloride 30g/L, nickel acetate 25g/L, nickel nitrate 14g/L, hydroxide
Sodium 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.
Embodiment 3
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 5.5 ﹪, 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, 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 6.5 ﹪, Co
4.5 ﹪, Zr 2.5 ﹪, Bi 1.5 ﹪, Cr 0.75 ﹪, Cu 0.45 ﹪, Al 0.25 ﹪, Ca 0.085 ﹪, Ga 0.045 ﹪, W
0.025 ﹪, Nb 0.015 ﹪, surplus Ti, titanium alloy needed for titanium alloy upper ring body and titanium alloy lower ring body are stocked up respectively,
Titanium alloy material base is heated into 1330-1340 DEG C under 750 tons of forging press to forge；Temperature control is at 1250-1260 DEG C afterwards
Insulation is extruded after 10 minutes, afterwards at 950-960 DEG C, is incubated 3 hours, is put on belling press and carries out enlarging, afterwards
Rotary pressing processing is carried out on spinning machine, the first passage spinning temperature is maintained at 970-980 DEG C；The speed of mainshaft is fed up to 2.4 turns/s
Than 0.4mm/r, the second passage spinning temperature is maintained at 930-940 DEG C；The speed of mainshaft is up to 1.9 turns/s, feed ratio 0.7mm/r, the
Three passage spinning temperature are maintained at 830-840 DEG C；The speed of mainshaft feed ratio 1.1mm/r, respectively obtains titanium alloy up to 1.1 turns/s
Upper ring body blank and titanium alloy lower ring body blank, after titanium alloy upper ring body blank and the pretreatment of titanium alloy lower ring body blank surface
Carry out electronickelling, electro-nickel process：It is 35 DEG C, current density 6A/dm2 to control temperature, electroplating time 85min, Zhi Hou
In 50 DEG C of hot water, rinse 40s, be heat-treated afterwards in heating furnace is put into, temperature control at 55 DEG C, soaking time 5min, it
Reducing temperature to 40 DEG C of heat treatment 10min, electronickelling liquid composition afterwards is：Solvent is water, nickel chloride 27g/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, point
Upper ring body and lower ring body are not obtained,
Afterwards to upper ring body, lower ring body and middle ring body outer wrapping insulating materials.
Embodiment 4
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 5.2 ﹪, Cr 3.3 ﹪, In 0.71 ﹪, Zr
0.52 ﹪, Ca 0.34 ﹪, Si 0.32 ﹪, Nb0.11 ﹪, Zn0.074 ﹪, C 0.064 ﹪, Al 0.043 ﹪, La0.033 ﹪,
Pr 0.012 ﹪, 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 6.2 ﹪, Co
4.8 ﹪, Zr 2.3 ﹪, Bi 1.7 ﹪, Cr 0.73 ﹪, Cu 0.42 ﹪, Al 0.23 ﹪, Ca 0.084 ﹪, Ga 0.043 ﹪, W
0.023 ﹪, Nb 0.012 ﹪, surplus Ti, titanium alloy needed for titanium alloy upper ring body and titanium alloy lower ring body are stocked up respectively,
Titanium alloy material base is heated into 1330-1340 DEG C under 750 tons of forging press to forge；Temperature control is at 1250-1260 DEG C afterwards
Insulation is extruded after 10 minutes, afterwards at 950-960 DEG C, is incubated 3 hours, is put on belling press and carries out enlarging, afterwards
Rotary pressing processing is carried out on spinning machine, the first passage spinning temperature is maintained at 970-980 DEG C；The speed of mainshaft is fed up to 2.4 turns/s
Than 0.4mm/r, the second passage spinning temperature is maintained at 930-940 DEG C；The speed of mainshaft is up to 1.9 turns/s, feed ratio 0.7mm/r, the
Three passage spinning temperature are maintained at 830-840 DEG C；The speed of mainshaft feed ratio 1.1mm/r, respectively obtains titanium alloy up to 1.1 turns/s
Upper ring body blank and titanium alloy lower ring body blank, after titanium alloy upper ring body blank and the pretreatment of titanium alloy lower ring body blank surface
Carry out electronickelling, electro-nickel process：It is 35 DEG C, current density 6A/dm2 to control temperature, electroplating time 85min, Zhi Hou
In 50 DEG C of hot water, rinse 40s, be heat-treated afterwards in heating furnace is put into, temperature control at 55 DEG C, soaking time 5min, it
Reducing temperature to 40 DEG C of heat treatment 10min, electronickelling liquid composition afterwards is：Solvent is water, nickel chloride 26g/L, nickel acetate 21g/L,
Nickel nitrate 13.3g/L, sodium hydroxide 12g/L, ammonium citrate 8g/L, saccharin 8g/L, sodium chloride 5g/L, ammonium acid fluoride 5g/L, point
Upper ring body and lower ring body are not obtained,
Afterwards to upper ring body, lower ring body and middle ring body outer wrapping insulating materials.
Embodiment 5
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 5.7 ﹪, 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 ﹪, Nb 0.016 ﹪, surplus Ti, titanium alloy needed for titanium alloy upper ring body and titanium alloy lower ring body are stocked up respectively,
Titanium alloy material base is heated into 1330-1340 DEG C under 750 tons of forging press to forge；Temperature control is at 1250-1260 DEG C afterwards
Insulation is extruded after 10 minutes, afterwards at 950-960 DEG C, is incubated 3 hours, is put on belling press and carries out enlarging, afterwards
Rotary pressing processing is carried out on spinning machine, the first passage spinning temperature is maintained at 970-980 DEG C；The speed of mainshaft is fed up to 2.4 turns/s
Than 0.4mm/r, the second passage spinning temperature is maintained at 930-940 DEG C；The speed of mainshaft is up to 1.9 turns/s, feed ratio 0.7mm/r, the
Three passage spinning temperature are maintained at 830-840 DEG C；The speed of mainshaft feed ratio 1.1mm/r, respectively obtains titanium alloy up to 1.1 turns/s
Upper ring body blank and titanium alloy lower ring body blank, after titanium alloy upper ring body blank and the pretreatment of titanium alloy lower ring body blank surface
Carry out electronickelling, electro-nickel process：It is 35 DEG C, current density 6A/dm2 to control temperature, electroplating time 85min, Zhi Hou
In 50 DEG C of hot water, rinse 40s, be heat-treated afterwards in heating furnace is put into, temperature control at 55 DEG C, soaking time 5min, it
Reducing temperature to 40 DEG C of heat treatment 10min, electronickelling liquid composition afterwards is：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, point
Upper ring body and lower ring body are not obtained,
Afterwards to upper ring body, lower ring body and middle ring body outer wrapping insulating materials.
Claims (4)
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 1125 DEG C under 600 tons of forging press forges；Temperature control is in 950-960 afterwards
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, it
Rotary pressing processing is carried out on spinning machine afterwards, the first passage spinning temperature is maintained at 930-940 DEG C；The speed of mainshaft is entered up to 2.7 turns/s
870-880 DEG C is maintained to than 0.5mm/r, the second passage spinning temperature；The speed of mainshaft is up to 2 turns/s, feed ratio 0.8mm/r, the
Three passage spinning temperature are maintained at 810-820 DEG C；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 4-5 ﹪, 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 28-30g/L, nickel acetate 23-25g/L, nickel nitrate 13.5-14g/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.
2. 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.
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 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.
4. 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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