CN108480933A - A kind of cable tail pipe and its manufacturing method - Google Patents
A kind of cable tail pipe and its manufacturing method Download PDFInfo
- Publication number
- CN108480933A CN108480933A CN201810469377.XA CN201810469377A CN108480933A CN 108480933 A CN108480933 A CN 108480933A CN 201810469377 A CN201810469377 A CN 201810469377A CN 108480933 A CN108480933 A CN 108480933A
- Authority
- CN
- China
- Prior art keywords
- flange
- annular
- copper tube
- brass flange
- tube
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 13
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 132
- 239000010949 copper Substances 0.000 claims abstract description 112
- 229910052802 copper Inorganic materials 0.000 claims abstract description 112
- 229910001369 Brass Inorganic materials 0.000 claims abstract description 101
- 239000010951 brass Substances 0.000 claims abstract description 101
- 238000000034 method Methods 0.000 claims abstract description 18
- 239000011265 semifinished product Substances 0.000 claims abstract description 14
- 238000003466 welding Methods 0.000 claims abstract description 13
- 239000000047 product Substances 0.000 claims abstract description 11
- 238000005476 soldering Methods 0.000 claims abstract description 7
- 230000015572 biosynthetic process Effects 0.000 claims description 7
- 230000006835 compression Effects 0.000 claims description 6
- 238000007906 compression Methods 0.000 claims description 6
- 238000005498 polishing Methods 0.000 claims description 6
- 230000007704 transition Effects 0.000 claims description 6
- 238000003801 milling Methods 0.000 claims description 3
- 238000003032 molecular docking Methods 0.000 claims description 3
- 235000008331 Pinus X rigitaeda Nutrition 0.000 claims 1
- 235000011613 Pinus brutia Nutrition 0.000 claims 1
- 241000018646 Pinus brutia Species 0.000 claims 1
- 238000009434 installation Methods 0.000 claims 1
- 210000003739 neck Anatomy 0.000 description 9
- 238000010586 diagram Methods 0.000 description 3
- 241000233855 Orchidaceae Species 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 229910000906 Bronze Inorganic materials 0.000 description 1
- 238000013475 authorization Methods 0.000 description 1
- 239000010974 bronze Substances 0.000 description 1
- KUNSUQLRTQLHQQ-UHFFFAOYSA-N copper tin Chemical compound [Cu].[Sn] KUNSUQLRTQLHQQ-UHFFFAOYSA-N 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
- H02G3/02—Details
- H02G3/06—Joints for connecting lengths of protective tubing or channels, to each other or to casings, e.g. to distribution boxes; Ensuring electrical continuity in the joint
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Butt Welding And Welding Of Specific Article (AREA)
- Pressure Welding/Diffusion-Bonding (AREA)
Abstract
The present invention relates to a kind of cable tail pipe and its manufacturing methods.This method includes the following steps:Step 1:Thick copper tube interception;Step 2:Left brass flange processing;Step 3:Left brass flange is welded with thick copper tube;Step 4:Left weldment precision processing;Step 5:Right brass flange processing;Step 6:Right brass flange is welded with thin copper tube;Step 7:Backhand welding part is welded with thick copper tube;Step 8:Semi-finished product weldment precision processing;Step 9:Left weldment and semi-finished product weldment soldering;Step 10:Finished product precision processing.This method efficiently solves whole rough copper tube clamping on rotary chuck, with chuck rotation when, thick copper tube shakes violent, it is difficult to which the drawbacks of processing, while this method processing process is more reasonable, production efficiency higher, product quality is more preferable.
Description
Technical field
The present invention relates to electric armour clamp technical field more particularly to a kind of cable tail pipe and its manufacturing methods.
Background technology
The patent that crosslinked cable intermediate connector protective shell is disclosed in existing Chinese patent database, application No. is
201320360268.7, applying date 2013.06.24, Authorization Notice No. CN203398736U, authorized announcement date are
2014.01.15 comprising:First shell and second shell, first shell and second shell are installed by flange and are connected, described
First shell includes the first copper pipe, the second copper pipe, first flange and the first insulating layer, the pipe of first copper pipe and the second copper pipe
It is respectively equipped with an earth brace on wall, is connected by being molded the first insulating layer and fixing between the first copper pipe and the nozzle of the second copper pipe
It connects, the first insulating layer is moulded in the outer wall of the first copper pipe, the second copper pipe and earth brace, another nose end weldering of the second copper pipe simultaneously
Connect first flange;The second shell includes third copper pipe, the 4th copper pipe, second flange and second insulating layer, the third copper
The 4th copper pipe and second flange is respectively welded in two nose ends of pipe, and the second insulating layer is coated on third copper pipe and the 4th bronze medal
The outer wall of pipe;The first flange cooperates with second flange.Disadvantage is that:Since third copper pipe is longer, welding
It connects, very inconvenient in bruting process, low production efficiency, and after third copper pipe clamping is on the chuck of rotation, with chuck
Rotation, third copper pipe shakes violent, it is difficult to process.
Invention content
The purpose of the present invention is in view of the deficienciess of the prior art, i.e. third copper pipe is longer, clamping is on rotary chuck
Third copper pipe shake it is violent, it is difficult to process, a kind of cable tail pipe and its manufacturing method be provided.
To achieve the goals above, the present invention also provides a kind of manufacturing method of cable tail pipe, the technical side taken
Case:
A kind of manufacturing method of cable tail pipe, includes the following steps:
Step 1:Length is that the thick copper tubes of 1000mm~1200mm cut in two short tube, it is ensured that each by thick copper tube interception
The length of short tube is in 400mm~800mm;
Step 2:Left brass flange processing, operating personnel fix left brass flange, in the neck finish of left brass flange
On bore the annular spacing groove of indent, the annular stop circle of evagination is then milled out on the pan portion end face of left brass flange, is bored
Annular groove and drill out multiple limit holes;
Step 3:Left brass flange is welded with thick copper tube, and a short tube end is first plugged into left brass method by operating personnel
In blue annular spacing groove, copper wire is then reused by the integrally welded left weldering of formation of the neck of left brass flange and short tube
Part;
Step 4:Left weldment precision processing, by the arris rounded corner of left brass flange, the leg for weld of then polishing again,
Ensure smooth at leg;
Step 5:Right brass flange processing, operating personnel grip right brass flange, using milling cutter or boring cutter in right brass method
Annular outer shoulder is processed on blue outer surface, annular internal shoulder is processed on the inner surface of right brass flange;
Step 6:Right brass flange is welded with thin copper tube, and thin red copper pipe end is first plugged into right brass by operating personnel
In flange, the end face of thin copper tube contradicts on annular internal shoulder, then reuses copper wire by thin copper tube and right brass method
Blue integrally welded formation backhand welding part;
Step 7:Backhand welding part is welded with thick copper tube, and another short tube termination point casing is first connected to right brass method by operating personnel
On blue lateral surface, it is ensured that short tube end is against in annular outer shoulder, then reuses copper wire by annular outer shoulder and short tube
The integrally welded formation semi-finished product weldment in end;
Step 8:Semi-finished product weldment precision processing, by the arris rounded corner of right brass flange, the weldering for weld of then polishing again
Foot, it is ensured that smooth at leg;
Step 9:Left weldment and semi-finished product weldment soldering, operating personnel by the short tube free end end face of left weldment with half at
The short tube free end end face of product weldment is docked, and it is integral by soldering at the docking of two short tube end faces then to reuse copper wire, shape
At finished product;
Step 10:Finished product precision processing, the leg that operating personnel weld two short tubes are polished, it is ensured that smooth at leg.
Compared with prior art, beneficial effects of the present invention are:This method efficiently solves whole rough copper tube clamping and exists
On rotary chuck, with chuck rotation when, thick copper tube shakes violent, it is difficult to the drawbacks of processing, while this method processes work
Skill flow is more reasonable, production efficiency higher, and product quality is more preferable.
The present invention also provides a kind of cable tail pipe, the technical solution taken:
A kind of cable tail pipe, including thick copper tube and the thin copper tube on the outside of thick copper tube, the thick copper tube
It is coaxially disposed with thin copper tube, it is characterised in that:One end of the thick copper tube is welded with the left brass method in loose flange shape
Orchid, the other end are welded with the right brass flange in slip-on welding flange shape, indent are offered in the neck finish of the left brass flange
Annular spacing groove, one end of the thick copper tube is plugged in annular spacing groove, the thick red copper being plugged in annular spacing groove
Pipe end is welded on through copper wire on the neck of left brass flange, and the lateral surface of the right brass flange is equipped with annular outer shoulder,
Medial surface is equipped with annular internal shoulder, and the thick copper tube other end inner wall is socketed on right brass flange, and end face is against outside annular
On convex shoulder, the end for the thick copper tube being socketed on right brass flange is welded on the annular outer shoulder of right brass flange through copper wire
On, described thin copper tube one end is plugged on right brass flange, and the end face of thin copper tube contradicts on annular internal shoulder, is plugged on
The end of thin copper tube on right brass flange is welded on through copper wire on right brass flange.
Compared with prior art, beneficial effects of the present invention are:Due to the presence of annular spacing groove, thick red copper pipe end is inserted
It is connected in annular spacing groove, convenient for left brass flange to be welded on thick copper tube, due to annular outer shoulder and thick copper tube
Nozzle matches, and realizes smoothly transitting for thick red copper tube outer surface and right brass flange, and due to annular internal shoulder and thin red copper
The nozzle of pipe matches, and realizes smoothly transitting for thin red copper pipe internal surface and right brass flange.
The outer surface of the thick copper tube and the smooth-sided compression candles transition of annular outer shoulder.Avoid point discharge.
The smooth-sided compression candles transition of the inner surface of the thin copper tube and annular internal shoulder.Avoid point discharge.
The pan portion end face of the left brass flange is equipped with the annular groove for installing ring type seal.
The pan portion end face of the left brass flange is equipped with the annular stop circle of evagination, and the cross section of annular stop circle is in three
It is angular.Annular stop circle forms sealing space convenient for making left brass flange be pressed together on peripheral device.
It is radial on the pan portion end face of the left brass flange to be evenly equipped with multiple limit holes.
Description of the drawings
Fig. 1 is the structural diagram of the present invention.
Fig. 2 is the structural schematic diagram at A in Fig. 1.
Fig. 3 is the structural schematic diagram at B in Fig. 1.
Wherein, 1 thick copper tube, 101 short tubes, 2 thin copper tubes, 3 left brass flanges, 301 necks, 302 annular spacing grooves,
303 pan portions, 304 annular grooves, 305 annular stop circles, 306 limit holes, 4 right brass flanges, 401 annular outer shoulders, 402 annulars
Internal shoulder, 5 left weldments, 6 backhand welding parts, 7 semi-finished product weldments, 8 finished products.
Specific implementation mode
As shown in figure 1-3, it is that a kind of manufacturing method of cable tail pipe includes the following steps:
Step 1:Thick copper tube 1 intercepts, and is that the thick copper tubes of 1000mm~1200mm 1 cut in two short tube 101 by length,
Ensure the length of each short tube 101 in 400mm~800mm;
Step 2:Left brass flange 3 is processed, and operating personnel fix left brass flange 3, in the neck of left brass flange 3
The annular spacing groove 302 of indent is bored on 301 end faces, and the ring of evagination is then milled out on 303 end face of pan portion of left brass flange 3
Shape spacing collar 305 bores annular groove 304 and drills out multiple limit holes 306;
Step 3:Left brass flange 3 is welded with thick copper tube 1, and 101 end of a short tube is first plugged into left Huang by operating personnel
In the annular spacing groove 302 of copper flange 3, then reuses copper wire and weld the neck 301 of left brass flange 3 with short tube 101
It is integrally formed left weldment 5;
Step 4:5 precision processing of left weldment, by the arris rounded corner of left brass flange 3, the weldering for weld of then polishing again
Foot, it is ensured that smooth at leg;
Step 5:Right brass flange 4 is processed, and operating personnel grip right brass flange 4, using milling cutter or boring cutter in right brass
Annular outer shoulder 401 is processed on the outer surface of flange 4, and annular internal shoulder is processed on the inner surface of right brass flange 4
402;
Step 6:Right brass flange 4 is welded with thin copper tube 2, and 2 end of thin copper tube is first plugged into right Huang by operating personnel
In copper flange 4, the end face of thin copper tube 2 contradicts on annular internal shoulder 402, then reuse copper wire by thin copper tube 2 with
4 integrally welded formation backhand welding part 6 of right brass flange;
Step 7:Backhand welding part 6 is welded with thick copper tube 1, and 101 termination point casing of another short tube is first connected to right Huang by operating personnel
On the lateral surface of copper flange 4, it is ensured that 101 end of short tube is against in annular outer shoulder 401, and then reusing copper wire will be outside annular
The integrally welded formation semi-finished product weldment in convex shoulder 401 and 101 end of short tube 7;
Step 8:7 precision processing of semi-finished product weldment, by the arris rounded corner of right brass flange 4, weld of then polishing again
Leg, it is ensured that smooth at leg;
Step 9:Left weldment 5 and 7 soldering of semi-finished product weldment, operating personnel are by 101 free end end face of short tube of left weldment 5
It is docked with 101 free end end face of short tube of semi-finished product weldment 7, then reusing copper wire will be at the docking of two short tubes, 101 end face
Soldering is integral, forms finished product 8;
Step 10:8 precision processing of finished product, the leg that operating personnel weld two short tubes 101 are polished, it is ensured that smooth at leg.
It is corresponding with a kind of above-mentioned manufacturing method of cable tail pipe, the present invention also provides for a kind of cable tail pipe, including it is thick
Copper tube 1 and the thin copper tube 2 on the outside of thick copper tube 1, thick copper tube 1 are coaxially disposed with thin copper tube 2, thick copper tube
1 length is 1000mm~1200mm, and thick copper tube 1 is that two 101 coaxial weldings of short tube form, and the length of each short tube 101 exists
400mm~800mm.To avoid whole 1 clamping of rough copper tube on rotary chuck, with chuck rotation when, thick copper tube 1
It shakes violent, it is difficult to which the drawbacks of processing, one end of thick copper tube 1 are welded with the left brass flange 3 in loose flange shape, the other end
It is welded with the right brass flange 4 in slip-on welding flange shape, the annular limit of indent is offered on 301 end face of neck of left brass flange 3
Position slot 302, one end of thick copper tube 1 are plugged in annular spacing groove 302, the thick copper tube 1 being plugged in annular spacing groove 302
End is welded on through copper wire on the neck 301 of left brass flange 3, and 303 end face of pan portion of left brass flange 3 is equipped with for pacifying
The annular groove 304 of ring type seal is filled, 303 end face of pan portion of left brass flange 3 is equipped with the annular stop circle 305 of evagination,
The cross section of annular stop circle 305 is triangular in shape.Annular stop circle 305 is convenient for that left brass flange 3 is made to be pressed together on peripheral device,
Sealing space is formed, it is radial on 303 end face of pan portion of left brass flange 3 to be evenly equipped with multiple limit holes 306, right brass method
The lateral surface of orchid 4 is equipped with annular outer shoulder 401, and medial surface is equipped with annular internal shoulder 402, the socket of 1 other end inner wall of thick copper tube
On right brass flange 4,1 the other end face of thick copper tube is against in annular outer shoulder 401, is socketed on right brass flange 4
The end of thick copper tube 1 is welded on through copper wire in the annular outer shoulder 401 of right brass flange 4, the outer surface of thick copper tube 1 with
The smooth-sided compression candles transition of annular outer shoulder 401.Point discharge, 2 one end of thin copper tube is avoided to be plugged on right brass flange 4, carefully
The end face of copper tube 2 contradicts on annular internal shoulder 402, is plugged on the end of the thin copper tube 2 on right brass flange 4 through red copper
Wire bond is connected on right brass flange 4, the smooth-sided compression candles transition of the inner surface of thin copper tube 2 and annular internal shoulder 402.Avoid tip
Electric discharge.
The invention is not limited in above-described embodiments, on the basis of technical solution disclosed by the invention, the skill of this field
For art personnel according to disclosed technology contents, one can be made to some of which technical characteristic by not needing performing creative labour
A little to replace and deform, these are replaced and deformation is within the scope of the invention.
Claims (7)
1. a kind of manufacturing method of cable tail pipe, it is characterised in that:Include the following steps:
Step 1:Length is that the thick copper tubes of 1000mm~1200mm cut in two short tube, it is ensured that each short tube by thick copper tube interception
Length in 400mm~800mm;
Step 2:Left brass flange processing, operating personnel fix left brass flange, the boring in the neck finish of left brass flange
Go out the annular spacing groove of indent, the annular stop circle of evagination is then milled out on the pan portion end face of left brass flange, bores annular
Groove and drill out multiple limit holes;
Step 3:Left brass flange is welded with thick copper tube, and a short tube end is first plugged into left brass flange by operating personnel
In annular spacing groove, copper wire is then reused by the integrally welded left weldment of formation of the neck of left brass flange and short tube;
Step 4:Left weldment precision processing, by the arris rounded corner of left brass flange, the leg for weld of then polishing again, it is ensured that
It is smooth at leg;
Step 5:Right brass flange processing, operating personnel grip right brass flange, using milling cutter or boring cutter in right brass flange
Annular outer shoulder is processed on outer surface, and annular internal shoulder is processed on the inner surface of right brass flange;
Step 6:Right brass flange is welded with thin copper tube, and thin red copper pipe end is first plugged into right brass flange by operating personnel
Interior, the end face of thin copper tube contradicts on annular internal shoulder, then reuses copper wire and welds thin copper tube and right brass flange
It is connected into integrally formed backhand welding part;
Step 7:Backhand welding part is welded with thick copper tube, and another short tube termination point casing is first connected to right brass flange by operating personnel
On lateral surface, it is ensured that short tube end is against in annular outer shoulder, then reuses copper wire by annular outer shoulder and short tube end
Integrally welded formation semi-finished product weldment;
Step 8:Semi-finished product weldment precision processing, by the arris rounded corner of right brass flange, the leg for weld of then polishing again,
Ensure smooth at leg;
Step 9:Left weldment and semi-finished product weldment soldering, operating personnel weld the short tube free end end face of left weldment and semi-finished product
The short tube free end end face of part is docked, and it is integral by soldering at the docking of two short tube end faces then to reuse copper wire, formed at
Product;
Step 10:Finished product precision processing, the leg that operating personnel weld two short tubes are polished, it is ensured that smooth at leg.
2. a kind of cable tail pipe according to claim 1, including thick copper tube and the thin purple on the outside of thick copper tube
Copper pipe, the thick copper tube are coaxially disposed with thin copper tube, it is characterised in that:One end of the thick copper tube is welded in pine set
The left brass flange of Flange-shaped Parts, the other end are welded with the right brass flange in slip-on welding flange shape, the neck of the left brass flange
The annular spacing groove of indent is offered on end face, one end of the thick copper tube is plugged in annular spacing groove, is plugged on annular
Thick red copper pipe end in limiting slot is welded on through copper wire on the neck of left brass flange, the lateral surface of the right brass flange
Equipped with annular outer shoulder, medial surface is equipped with annular internal shoulder, and the thick copper tube other end inner wall is socketed on right brass flange,
End face is against in annular outer shoulder, and the end for the thick copper tube being socketed on right brass flange is welded on right brass method through copper wire
In blue annular outer shoulder, described thin copper tube one end is plugged on right brass flange, and the end face of thin copper tube is contradicted in annular
On internal shoulder, the end for the thin copper tube being plugged on right brass flange is welded on through copper wire on right brass flange.
3. a kind of cable tail pipe according to claim 2, it is characterised in that:Outside the outer surface of the thick copper tube and annular
The smooth-sided compression candles transition of convex shoulder.
4. a kind of cable tail pipe according to claim 3, it is characterised in that:In the inner surface and annular of the thin copper tube
The smooth-sided compression candles transition of convex shoulder.
5. a kind of cable tail pipe according to claim 4, it is characterised in that:It is set on the pan portion end face of the left brass flange
It is useful for the annular groove of installation ring type seal.
6. a kind of cable tail pipe according to claim 5, it is characterised in that:It is set on the pan portion end face of the left brass flange
There are the annular stop circle of evagination, the cross section of annular stop circle triangular in shape.
7. a kind of cable tail pipe according to any claim in claim 2-6, it is characterised in that:The left brass method
It is radial on blue pan portion end face to be evenly equipped with multiple limit holes.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201810469377.XA CN108480933B (en) | 2018-05-16 | 2018-05-16 | Cable tail pipe and manufacturing method thereof |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201810469377.XA CN108480933B (en) | 2018-05-16 | 2018-05-16 | Cable tail pipe and manufacturing method thereof |
Publications (2)
Publication Number | Publication Date |
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CN108480933A true CN108480933A (en) | 2018-09-04 |
CN108480933B CN108480933B (en) | 2023-11-03 |
Family
ID=63354368
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201810469377.XA Active CN108480933B (en) | 2018-05-16 | 2018-05-16 | Cable tail pipe and manufacturing method thereof |
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CN104485560A (en) * | 2014-12-10 | 2015-04-01 | 安徽蓝麦通信科技有限公司 | Low-intermodulation antenna stern line connector |
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CN204928072U (en) * | 2015-09-18 | 2015-12-30 | 宁波东昊电缆附件有限公司 | 110kV straight joint copper shell |
CN105226590A (en) * | 2015-10-20 | 2016-01-06 | 宁波东昊电缆附件有限公司 | 110kV flame retardant epoxy type insulated copper shell |
CN106736272A (en) * | 2016-12-05 | 2017-05-31 | 湖北三江航天江北机械工程有限公司 | Aluminium alloy booster explosive tube kind part processing method |
CN208209452U (en) * | 2018-05-16 | 2018-12-07 | 扬州鑫宇电气有限公司 | A kind of cable tail pipe |
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2018
- 2018-05-16 CN CN201810469377.XA patent/CN108480933B/en active Active
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Publication number | Priority date | Publication date | Assignee | Title |
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EP1030403A2 (en) * | 1999-02-17 | 2000-08-23 | EM Kunststofftechnik GmbH | Electrical cable |
KR20000019136U (en) * | 1999-04-03 | 2000-11-06 | 권윤노 | A socket of insulated flange for pipe laying |
CN2593429Y (en) * | 2002-10-24 | 2003-12-17 | 上海三原电缆附件公司 | Ultrahigh voltage cablejoint sealing protection box |
RU2351030C1 (en) * | 2007-07-26 | 2009-03-27 | Общество С Ограниченной Ответственностью "Амуратом" | Method of high-frequency sealed cable terminal manufacturing |
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CN203415706U (en) * | 2013-09-02 | 2014-01-29 | 宁波东昊电缆附件有限公司 | High-voltage cable intermediate joint |
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CN204681021U (en) * | 2015-05-27 | 2015-09-30 | 杭州芬麦特机械有限公司 | Cable body |
CN204928072U (en) * | 2015-09-18 | 2015-12-30 | 宁波东昊电缆附件有限公司 | 110kV straight joint copper shell |
CN105226590A (en) * | 2015-10-20 | 2016-01-06 | 宁波东昊电缆附件有限公司 | 110kV flame retardant epoxy type insulated copper shell |
CN106736272A (en) * | 2016-12-05 | 2017-05-31 | 湖北三江航天江北机械工程有限公司 | Aluminium alloy booster explosive tube kind part processing method |
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Also Published As
Publication number | Publication date |
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CN108480933B (en) | 2023-11-03 |
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