WO2017084135A1 - 一种大型互感器用底座的加工工艺 - Google Patents

一种大型互感器用底座的加工工艺 Download PDF

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WO2017084135A1
WO2017084135A1 PCT/CN2015/097368 CN2015097368W WO2017084135A1 WO 2017084135 A1 WO2017084135 A1 WO 2017084135A1 CN 2015097368 W CN2015097368 W CN 2015097368W WO 2017084135 A1 WO2017084135 A1 WO 2017084135A1
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parts
steel plate
diameter
workpiece
base
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PCT/CN2015/097368
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French (fr)
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王艳峰
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南通弘峰机电有限公司
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23PMETAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P15/00Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F41/00Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties

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  • the invention designs a processing technology for a base for a large transformer, and is used for processing the base of a large transformer.
  • the transformer is divided into two major categories: voltage transformer and current transformer. It is a device that converts voltage or current proportionally. Its function is mainly to convert high voltage or large current into standard low voltage (100V) or standard small current (5A or 1A, all refer to rated value), in order to realize the standardization and small size of measuring instruments, protection equipment and automatic control equipment. Chemical. At the same time, the transformer can also be used to separate high voltage systems to ensure the safety of people and equipment. A device that converts voltage or current proportionally.
  • the present invention provides a processing technique for a base for a large-scale transformer, which is simple to manufacture and high in precision.
  • the specific technical solution adopted by the present invention is a processing technology for a base for a large transformer, comprising the following steps:
  • the pupils having a diameter of 80 mm and a diameter of 122 mm are sequentially used for the through holes having a diameter of 80 mm;
  • the internal thread is machined by a tapping machine, and the pitch of the thread is 1.75 mm;
  • the inner holes of the four multi-connected bodies are respectively corresponding to four through-holes of 24 mm diameter on the 50 steel plate Q235B, and then the multi-pass body is welded on the 50 steel plate Q235B by means of hot-melt welding;
  • the processed workpiece is subjected to heat treatment, and the heat treatment process is: annealing the workpiece; oil quenching the workpiece; and finally performing a second high temperature oil treatment to eliminate residual stress;
  • the anti-corrosion high-temperature anti-oxidation coating comprises the following parts by weight: anionic surfactant 1-3 parts, fluororesin 10-13 Parts, polyethylene 2-16 parts, zinc powder 10-23 parts, silicone epoxy resin 8-15 parts, modified aluminum tripolyphosphate 10-13 parts, polyvinyl alcohol 15-20 parts.
  • a V-shaped hole having a depth of 8 mm is machined at a position where the 50 steel plate Q235B is welded, and the multi-pass body is first positioned in the V shape. The holes are then welded.
  • the anticorrosive high temperature oxidation resistant coating comprises the following components by weight: 1-3 parts of anionic surfactant, 10-13 parts of fluororesin, 2-6 parts of polyethylene, zinc powder. 19-22 parts, 11-15 parts of silicone epoxy resin, 10-13 parts of modified aluminum tripolyphosphate, and 15-19 parts of polyvinyl alcohol.
  • the anionic surfactant is preferably a carboxylate anionic surfactant or a phosphate anionic surfactant.
  • the phosphate anionic surfactant is a lauryl alcohol polyoxyethylene ether phosphate salt.
  • the workpiece is coated with anti-corrosion and high-temperature anti-oxidation coating, and the anti-corrosion and high-temperature anti-oxidation coating includes anionic surfactant, fluororesin, polyethylene, zinc powder, silicone epoxy resin, and modification.
  • anionic surfactant, fluororesin, polyethylene, zinc powder, silicone epoxy resin, and modification Aluminum tripolyphosphate, polyvinyl alcohol, wherein anionic surfactant, zinc powder, silicone epoxy resin, modified aluminum tripolyphosphate combine to make the anti-corrosion high temperature anti-oxidation coating have high adhesion on the surface of the workpiece, and At the same time, it combines with other components in the anti-corrosion and high-temperature anti-oxidation coating to protect the surface of the workpiece from corrosion, high temperature and oxidation.
  • a processing technology for a base for a large transformer comprising the following steps:
  • the pupils having a diameter of 80 mm and a diameter of 122 mm are sequentially used for the through holes having a diameter of 80 mm;
  • the internal thread is machined by a tapping machine, and the pitch of the thread is 1.75 mm;
  • the inner holes of the four multi-connected bodies are respectively corresponding to four through-holes of 24 mm diameter on the 50 steel plate Q235B, and then the multi-pass body is welded on the 50 steel plate Q235B by means of hot-melt welding;
  • the processed workpiece is subjected to heat treatment, and the heat treatment process is: annealing the workpiece; oil quenching the workpiece; and finally performing a second high temperature oil treatment to eliminate residual stress;
  • a V-shaped hole with a depth of 8 mm is machined at the position where the 50 steel plate Q235B is welded, and the multi-pass body is first positioned in the V-shaped shape. Holes are then welded.
  • the anti-corrosion high-temperature anti-oxidation coating comprises the following parts by weight: 1 part of sulfoalkylamide, 13 parts of fluororesin, 2 parts of polyethylene, 23 parts of zinc powder, 8 parts of silicone epoxy resin, modified trimerization 13 parts of aluminum phosphate and 15 parts of polyvinyl alcohol.
  • the anticorrosive high temperature oxidation resistant coating comprises the following components by weight: 3 parts of sodium oleoyloxyethanesulfonate, 10 parts of fluororesin, 16 parts of polyethylene, 10 parts of zinc powder, 15 parts of silicone epoxy resin, 10 parts of modified aluminum tripolyphosphate and 20 parts of polyvinyl alcohol.
  • the anticorrosive high temperature oxidation resistant coating comprises the following parts by weight: 2 parts of ⁇ -alkenyl sulfonate (AOS), 11 parts of fluororesin, 6 parts of polyethylene, 16 parts of zinc powder, silicone epoxy resin 10 parts, 12 parts of modified aluminum tripolyphosphate, and 17 parts of polyvinyl alcohol.
  • AOS ⁇ -alkenyl sulfonate
  • the anti-corrosion high-temperature anti-oxidation coating comprises the following parts by weight: 2 parts of sodium tetraphenylbenzenesulfonate, 11 parts of fluororesin, 6 parts of polyethylene, 19 parts of zinc powder, 11 parts of silicone epoxy resin, 11 parts of aluminum tripolyphosphate and 19 parts of polyvinyl alcohol.
  • the anti-corrosion high-temperature anti-oxidation coating comprises the following parts by weight: 2 parts of sodium dodecylbenzenesulfonate, 10 parts of fluororesin, 11 parts of polyethylene, 22 parts of zinc powder, 12 parts of silicone epoxy resin, 11 parts of modified aluminum tripolyphosphate and 17 parts of polyvinyl alcohol.
  • the anti-corrosion high temperature oxidation resistant coating comprises the following parts by weight: 1 part of dodecyl glyceryl ether carboxylate, 11 parts of fluororesin, 8 parts of polyethylene, 14 parts of zinc powder, 10 parts of silicone epoxy resin. 11 parts of modified aluminum tripolyphosphate and 16 parts of polyvinyl alcohol.
  • the anti-corrosion high-temperature anti-oxidation coating comprises the following components by weight: 2 parts of potassium fatty acid, 12 parts of fluororesin, 11 parts of polyethylene, 14 parts of zinc powder, 12 parts of silicone epoxy resin, modified tripolyphosphate 11 parts of aluminum and 19 parts of polyvinyl alcohol.
  • the anticorrosive high temperature oxidation resistant coating comprises the following parts by weight: 2 parts of dodecyl alcohol polyoxyethylene ether phosphate salt, 11 parts of fluororesin, 7 parts of polyethylene, 13 parts of zinc powder, silicone epoxy 10 parts of resin, 12 parts of modified aluminum tripolyphosphate, and 16 parts of polyvinyl alcohol.

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)
  • Chemical Treatment Of Metals (AREA)
  • Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)

Abstract

一种大型互感器用底座的加工工艺,用于大型互感器的底座的加工,包括以下步骤:A、底座法兰的加工;B、焊接底脚;C、安装多通体;D、对工件进行热处理;E、在整个工件表面涂覆防护层。其制造简单,精度高。

Description

一种大型互感器用底座的加工工艺 技术领域
本发明设计一种大型互感器用底座的加工工艺,用于大型互感器的底座的加工。
背景技术
互感器分为电压互感器和电流互感器两大类,是按比例变换电压或电流的设备。其功能主要是将高电压或大电流按比例变换成标准低电压(100V)或标准小电流(5A或1A,均指额定值),以便实现测量仪表、保护设备及自动控制设备的标准化、小型化。同时互感器还可用来隔开高电压系统,以保证人身和设备的安全。按比例变换电压或电流的设备。
大型互感器在使用过程中需要安装于底座上,现有的底座一般采用车床加工,如中国专利CN104476116A“一种底座的加工工艺”。但对于大型互感器用的底座,其尺寸精密度等要求较高,车床并不能完全实现对底座的精确加工。
发明内容
为了解决上述技术问题,本发明提供一种大型互感器用底座的加工工艺,其制造简单,精度高。
为实现上述技术目的,本发明所采取的具体的技术方案为,一种大型互感器用底座的加工工艺,包括以下步骤:
A底座法兰的加工:
a、选用一个直径为426mm的圆形的50钢板Q235B,在50钢板Q235B的中心位置通过铣床加工一个直径为80mm的通孔,并在50钢板Q235B的中心位置50mm的圆周上加工直径为13mm的八个均匀分布的通孔;在50钢板Q235B上距离中心位置110mm的圆周上加工直径为24mm的四个通孔;在50钢板Q235B上距中心位置175.5mm的圆周上加工直径为10.75mm的十一个通孔;
b、在50钢板Q235B两个对称面上的中心位置,依次采用镗孔对直径为80mm的通孔加工深度为9mm、直径为122mm的镗孔;
c、对50钢板Q235B上的直径为10.75mm的十一个通孔采用攻丝机加工内螺纹,螺纹的螺距1.75mm;
B焊接底脚
a、选用四个同样的接地板,先用海绵沾取洗衣粉水溶液将接地板待焊接面擦洗一遍,在用清水冲洗干净,最后用乙醇冲洗一遍,晾干待用;
b、选用内孔径为24mm的四个同样的多通体,依次采用洗衣粉水、清水和乙醇清洗过后,晾干,采用熔焊的方式将四个接地板焊接与多通体;
C安装多通体
a、将50钢板Q235B的加工残渣清洗干净,将四个多通体清洗干净;
b、将四个多通体的内孔分别对应50钢板Q235B上四个直径为24mm的通孔后采用热熔焊的方式将多通体焊接在50钢板Q235B上;
D对工件进行热处理
a、将加工完成的工件进行热处理,热处理的工艺为:对工件进行退火处理;对工件进行油淬处理;最后进行第二次高温油处理消除残余应力;
E在整个工件表面涂覆防护层
a、用表面活性剂溶液将工件表面的油清洗干净;
b、在工件表面采用热喷涂的方式涂上防腐耐高温抗氧化涂层,所述防腐耐高温抗氧化涂层包括如下重量份的物质:阴离子表面活性剂1-3份、氟树脂10-13份、聚乙烯2-16份、锌粉10-23份、有机硅环氧树脂8-15份、改性三聚磷酸铝10-13份、聚乙烯醇15-20份。
作为本发明的优选的技术方案,所述将多通体焊接到50钢板Q235B上时,在50钢板Q235B焊接的位置用刻刀加工一个V字型深8mm的孔,多通体先定位在V字型的孔,然后进行熔焊。
作为本发明的优选的技术方案,所述防腐耐高温抗氧化涂层包括如下重量份的物质:阴离子表面活性剂1-3份、氟树脂10-13份、聚乙烯2-6份、锌粉19-22份、有机硅环氧树脂11-15份、改性三聚磷酸铝10-13份、聚乙烯醇15-19份。
作为本发明的优选的技术方案,所述阴离子表面活性剂优选为羧酸盐类阴离子表面活性剂或者磷酸酯类阴离子表面活性剂。
作为本发明的优选的技术方案,磷酸酯类阴离子表面活性剂为十二烷基醇聚氧乙烯醚磷酸酯盐。
本发明的有益效果
1.先在机床上对50钢板Q235B加工孔后,在对工件进行焊接,最后进 行统一热处理,简化工序,而且所获得工件在机加工处和焊接处的成分过渡更加均匀,综合力学性能好;
2.完成焊接后的工件,进行涂覆防腐耐高温抗氧化涂层,而防腐耐高温抗氧化涂层包括阴离子表面活性剂、氟树脂、聚乙烯、锌粉、有机硅环氧树脂、改性三聚磷酸铝、聚乙烯醇,其中阴离子表面活性剂、锌粉、有机硅环氧树脂、改性三聚磷酸铝相结合使得防腐耐高温抗氧化涂层在工件表面有高的附着力,并同时与防腐耐高温抗氧化涂层中的其他成分相结合对工件表面起到防腐蚀、耐高温、抗氧化的功能。
具体实施方式
为了加深对本发明的理解,下面结合实施例对本发明作进一步的详述,该实施例仅用
于解释本发明,并不构成对本发明保护范围的限定。
一种大型互感器用底座的加工工艺,包括以下步骤:
A底座法兰的加工:
a、选用一个直径为426mm的圆形的50钢板Q235B,在50钢板Q235B的中心位置通过铣床加工一个直径为80mm的通孔,并在50钢板Q235B的中心位置50mm的圆周上加工直径为13mm的八个均匀分布的通孔;在50钢板Q235B上距离中心位置110mm的圆周上加工直径为24mm的四个通孔;在50钢板Q235B上距中心位置175.5mm的圆周上加工直径为10.75mm的十一个通孔;
b、在50钢板Q235B两个对称面上的中心位置,依次采用镗孔对直径为80mm的通孔加工深度为9mm、直径为122mm的镗孔;
c、对50钢板Q235B上的直径为10.75mm的十一个通孔采用攻丝机加工内螺纹,螺纹的螺距1.75mm;
B焊接底脚
a、选用四个同样的接地板,先用海绵沾取洗衣粉水溶液将接地板待焊接面擦洗一遍,在用清水冲洗干净,最后用乙醇冲洗一遍,晾干待用;
b、选用内孔径为24mm的四个同样的多通体,依次采用洗衣粉水、清水和乙醇清洗过后,晾干,采用熔焊的方式将四个接地板焊接与多通体;
C安装多通体
a、将50钢板Q235B的加工残渣清洗干净,将四个多通体清洗干净;
b、将四个多通体的内孔分别对应50钢板Q235B上四个直径为24mm的通孔后采用热熔焊的方式将多通体焊接在50钢板Q235B上;
D对工件进行热处理
a、将加工完成的工件进行热处理,热处理的工艺为:对工件进行退火处理;对工件进行油淬处理;最后进行第二次高温油处理消除残余应力;
E在整个工件表面涂覆防护层
a、用表面活性剂溶液将工件表面的油清洗干净;
b、在工件表面采用热喷涂的方式涂上防腐耐高温抗氧化涂层。
为了提高焊接过程的准确性,所述将多通体焊接到50钢板Q235B上时,在50钢板Q235B焊接的位置用刻刀加工一个V字型深8mm的孔,多通体先定位在V字型的孔,然后进行熔焊。
实施例1
所述防腐耐高温抗氧化涂层包括如下重量份的物质:磺烷基酰胺1份、氟树脂13份、聚乙烯2份、锌粉23份、有机硅环氧树脂8份、改性三聚磷酸铝13份、聚乙烯醇15份。
实施效果:附着力一级;耐20%磷酸或10%氢氧化钠,涂层7天无变化;在300℃下放置10天无变化。
实施例2
所述防腐耐高温抗氧化涂层包括如下重量份的物质:油酰氧基乙磺酸钠3份、氟树脂10份、聚乙烯16份、锌粉10份、有机硅环氧树脂15份、改性三聚磷酸铝10份、聚乙烯醇20份。
实施效果:附着力一级;耐20%磷酸或10%氢氧化钠,涂层10天无变化;在300℃下放置10天无变化。
实施例3
所述防腐耐高温抗氧化涂层包括如下重量份的物质:,α-烯基磺酸盐(AOS)2份、氟树脂11份、聚乙烯6份、锌粉16份、有机硅环氧树脂10份、改性三聚磷酸铝12份、聚乙烯醇17份。
实施效果:附着力一级;耐20%磷酸或10%氢氧化钠,涂层17天无变化;在300℃下放置10天无变化。
实施例4
所述防腐耐高温抗氧化涂层包括如下重量份的物质:四聚丙烯苯磺酸钠2份、氟树脂11份、聚乙烯6份、锌粉19份、有机硅环氧树脂11份、改性三聚磷酸铝11份、聚乙烯醇19份。
实施效果:附着力一级;耐20%磷酸或10%氢氧化钠,涂层17天无变化;在300℃下放置10天无变化。
实施例5
所述防腐耐高温抗氧化涂层包括如下重量份的物质:十二烷基苯磺酸钠2份、氟树脂10份、聚乙烯11份、锌粉22份、有机硅环氧树脂12份、改性三聚磷酸铝11份、聚乙烯醇17份。
实施效果:附着力一级;耐20%磷酸或10%氢氧化钠,涂层7天无变化;在300℃下放置10天无变化。
实施例6
所述防腐耐高温抗氧化涂层包括如下重量份的物质:十二烷基甘油醚羧酸盐1份、氟树脂11份、聚乙烯8份、锌粉14份、有机硅环氧树脂10份、改性三聚磷酸铝11份、聚乙烯醇16份。
实施效果:附着力一级;耐20%磷酸或10%氢氧化钠,涂层7天无变化;在300℃下放置10天无变化。
实施例7
所述防腐耐高温抗氧化涂层包括如下重量份的物质:高级脂肪酸钾2份、氟树脂12份、聚乙烯11份、锌粉14份、有机硅环氧树脂12份、改性三聚磷酸铝11份、聚乙烯醇19份.
实施效果:附着力一级;耐20%磷酸或10%氢氧化钠,涂层27天无变化;在300℃下放置50天无变化。
实施例8
所述防腐耐高温抗氧化涂层包括如下重量份的物质:十二烷基醇聚氧乙烯醚磷酸酯盐2份、氟树脂11份、聚乙烯7份、锌粉13份、有机硅环氧树脂10份、改性三聚磷酸铝12份、聚乙烯醇16份。
实施效果:附着力一级;耐20%磷酸或10%氢氧化钠,涂层30天无变化; 在300℃下放30天无变化。

Claims (5)

  1. 一种大型互感器用底座的加工工艺,其特征在于,包括以下步骤:
    A底座法兰的加工:
    a、选用一个直径为426mm的圆形的50钢板Q235B,在50钢板Q235B的中心位置通过铣床加工一个直径为80mm的通孔,并在50钢板Q235B的中心位置50mm的圆周上加工直径为13mm的八个均匀分布的通孔;在50钢板Q235B上距离中心位置110mm的圆周上加工直径为24mm的四个通孔;在50钢板Q235B上距中心位置175.5mm的圆周上加工直径为10.75mm的十一个通孔;
    b、在50钢板Q235B两个对称面上的中心位置,依次采用镗孔对直径为80mm的通孔加工深度为9mm、直径为122mm的镗孔;
    c、对50钢板Q235B上的直径为10.75mm的十一个通孔采用攻丝机加工内螺纹,螺纹的螺距1.75mm;
    B焊接底脚
    a、选用四个同样的接地板,先用海绵沾取洗衣粉水溶液将接地板待焊接面擦洗一遍,在用清水冲洗干净,最后用乙醇冲洗一遍,晾干待用;
    b、选用内孔径为24mm的四个同样的多通体,依次采用洗衣粉水、清水和乙醇清洗过后,晾干,采用熔焊的方式将四个接地板焊接与多通体;
    C安装多通体
    a、将50钢板Q235B的加工残渣清洗干净,将四个多通体清洗干净;
    b、将四个多通体的内孔分别对应50钢板Q235B上四个直径为24mm的通孔后采用热熔焊的方式将多通体焊接在50钢板Q235B上;
    D对工件进行热处理
    a、将加工完成的工件进行热处理,热处理的工艺为:对工件进行退火处理;对工件进行油淬处理;最后进行第二次高温油处理消除残余应力;
    E在整个工件表面涂覆防护层
    a、用表面活性剂溶液将工件表面的油清洗干净;
    b、在工件表面采用热喷涂的方式涂上防腐耐高温抗氧化涂层,所述防腐耐高温抗氧化涂层包括如下重量份的物质:阴离子表面活性剂1-3份、氟树脂10-13份、聚乙烯2-16份、锌粉10-23份、有机硅环氧树脂8-15份、改性三聚磷酸铝10-13份、聚乙烯醇15-20份。
  2. 根据权利要求1所述的一种大型互感器用底座的加工工艺,其特征在于,所述将多通体焊接到50钢板Q235B上时,在50钢板Q235B焊接的位置用刻刀加工一个V字型深8mm的孔,多通体先定位在V字型的孔,然后进行熔焊。
  3. 根据权利要求1所述的一种大型互感器用底座的加工工艺,其特征在于,所述防腐耐高温抗氧化涂层包括如下重量份的物质:阴离子表面活性剂1-3份、氟树脂10-13份、聚乙烯2-6份、锌粉19-22份、有机硅环氧树脂11-15份、改性三聚磷酸铝10-13份、聚乙烯醇15-19份。
  4. 根据权利要求1或3所述的一种大型互感器用底座的加工工艺,其特征在于,所述阴离子表面活性剂优选为羧酸盐类阴离子表面活性剂或者磷酸酯类阴离子表面活性剂。
  5. 根据权利要求4所述的一种大型互感器用底座的加工工艺,其特征在于,磷酸酯类阴离子表面活性剂为十二烷基醇聚氧乙烯醚磷酸酯盐。
PCT/CN2015/097368 2015-11-20 2015-12-15 一种大型互感器用底座的加工工艺 WO2017084135A1 (zh)

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