CN104868340B - Electric equipment connects the manufacture method with copper braid over braid - Google Patents
Electric equipment connects the manufacture method with copper braid over braid Download PDFInfo
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- CN104868340B CN104868340B CN201510192891.XA CN201510192891A CN104868340B CN 104868340 B CN104868340 B CN 104868340B CN 201510192891 A CN201510192891 A CN 201510192891A CN 104868340 B CN104868340 B CN 104868340B
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- copper
- braid
- pigtail
- braid over
- over braid
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
- H01R43/04—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for forming connections by deformation, e.g. crimping tool
- H01R43/048—Crimping apparatus or processes
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Manufacturing Of Electrical Connectors (AREA)
- Connections Effected By Soldering, Adhesion, Or Permanent Deformation (AREA)
Abstract
The invention provides a kind of manufacture method of simple to operate, electric equipment connection copper braid over braid that rate of finished products is high.It comprises the following steps: the determination of copper pigtail and copper pipe; The process of copper pipe surface; Copper pigtail imports into: copper pigtail is cut into the length of requirement by the length and the radical that make copper braid over braid as requested, and the length of every root copper pigtail is greater than the 2-3cm of copper braid over braid length; The copper pigtail sheared is penetrated copper pipe from flared end; Repeat this process, sub-for the copper pigtail other end is penetrated the copper pipe of the other end; In this process, should align in each flat copper plait end, and when straining from two ends, all copper pigtail should collect; The thickness that terminal rolls general actual compacting must not be greater than theoretic throat 2mm; Boring: as required to the copper braid over braid boring rolling formation.
Description
Technical field
The invention belongs to electric equipment mechanical structure technical field, be specifically related to a kind of manufacture method of electric equipment connection copper braid over braid.
Background technology
Power plant electricity equipment connection braid over braid is the conductor for connecting generator outlet enclosed busbar and other electric equipment, is the vitals that power plant electric energy exports.Present stage, the manufacture method of copper braid over braid was generally penetrate in the copper pipe made by sheet copper by copper pigtail, and the method for then once being suppressed by hydraulic press (being generally more than 500 tons) is made.The splicing ear caused due to the pressure process of compacting and the sectional area difference of compacting copper litz wire is like this pressed unreal, in use just there will be the problem of link heating, causes potential safety hazard.Meanwhile, if suppress unsuccessful with this, copper pigtail and copper coin cannot re-use, and so just cause rate of finished products on the low side, cause great waste simultaneously.
Summary of the invention
The object of the invention is to provide a kind of manufacture method of simple to operate, electric equipment connection copper braid over braid that rate of finished products is high.
To achieve these goals, the present invention adopts technical scheme as follows:
A manufacture method for electric equipment connection copper braid over braid, comprises the following steps:
1) copper pigtail and the determination of copper pipe: the enclosed busbar be connected as required and equipment choice determine the specification of the copper braid over braid that will make, according to the specification determination copper pigtail cuckoo lattice of copper braid over braid and number and copper pipe specification;
2) process of copper pipe surface: copper pipe as requested sawing is good, in the copper pipe good by sawing, one section of support is to bell mouth shape, and the copper pipe through above-mentioned processing is carried out silver-plated process, and the thickness of silver coating is 7 μm of-15um;
3) copper pigtail imports into: copper pigtail is cut into the length of requirement by the length and the radical that make copper braid over braid as requested, and the length of every root copper pigtail is greater than the 2-3cm of copper braid over braid length; The copper pigtail sheared is penetrated copper pipe from flared end; Repeat this process, sub-for the copper pigtail other end is penetrated the copper pipe of the other end; In this process, should align in each flat copper plait end, and when straining from two ends, all copper pigtail should collect;
4) terminal rolls: flattened by the copper pipe forcing press putting on copper pigtail in step 3), then puts it in roller copper braid over braid compacting grinding tool to roll and form copper braid over braid, the change of thickness when will notice that in the process rolled end copper pipe is pressed into terminal; The calculated value of thickness is as follows:
D=copper pipe diameter, t
1=copper pipe pipe thickness, S
1=copper pipe sectional area, S
2the sub-total sectional area of=copper pigtail
W=suppresses the width of braid over braid terminal, t
2the thickness of=compacting braid over braid terminal,
Wherein:
According to practical operation experience, the thickness of general actual compacting must not be greater than theoretic throat 2mm;
5) hole: as required to the copper braid over braid boring rolling formation.
In the manufacture method of above-mentioned electric equipment connection copper braid over braid, the sectional area of copper pigtail is the 30-50% in cross section, copper pipe hole.
In the manufacture method of above-mentioned electric equipment connection copper braid over braid, the material of copper pipe and copper pigtail is a red copper.
In the manufacture method of above-mentioned electric equipment connection copper braid over braid, copper braid over braid cross section is 300mm
2-500mm
2, the sub-cross section of copper pigtail is 100mm
2, copper pigtail subnumber order is 3-5, and copper pipe specification is φ 39 × 2.5.
In the manufacture method of above-mentioned electric equipment connection copper braid over braid, copper braid over braid cross section is 400mm
2-700mm
2, the sub-cross section of copper pigtail is 100mm
2, copper pigtail subnumber order is 4-7, and copper pipe specification is φ 45 × 2.5.
In the manufacture method of above-mentioned electric equipment connection copper braid over braid, copper braid over braid cross section is 700mm
2-800mm
2, the sub-cross section of copper pigtail is 100mm
2, copper pigtail subnumber order is 7-8, and copper pipe specification is φ 50 × 2.5.
Beneficial effect of the present invention:
By the selection of copper pipe specification, copper pigtail is determined, the surface treatment of link copper pipe, and copper pigtail penetrates, and terminal rolls and boring procedure process, and rate of finished products is high, simple to operate.
Accompanying drawing explanation
Fig. 1 is copper braid over braid structural representation.
Fig. 2 is A-A cross-sectional schematic in Fig. 1.
1. compacting braid over braid terminal, 2. copper pigtail in figure, 3. hole.
Embodiment
In conjunction with the accompanying drawing in the embodiment of the present invention, do describe clearly and completely further the present invention, described embodiment is only the present invention's part embodiment, instead of whole embodiments.
A manufacture method for electric equipment connection copper braid over braid, comprises the following steps:
1) copper pigtail and the determination of copper pipe: the enclosed busbar be connected as required and equipment choice determine the specification of the copper braid over braid that will make, according to the specification determination copper pigtail cuckoo lattice of copper braid over braid and number and copper pipe specification; The sectional area of usual copper pigtail is the 30-50% in cross section, copper pipe hole, and the material of copper pipe and copper pigtail is a red copper such as: copper braid over braid cross section is 300mm
2-500mm
2, the sub-cross section of copper pigtail is 100mm
2, copper pigtail subnumber order is 3-5, and copper pipe specification is φ 39 × 2.5; Copper braid over braid cross section is 400mm
2-700mm
2, the sub-cross section of copper pigtail is 100mm
2, copper pigtail subnumber order is 4-7, and copper pipe specification is φ 45 × 2.5; Copper braid over braid cross section is 700mm
2-800mm
2, the sub-cross section of copper pigtail is 100mm
2, copper pigtail subnumber order is 7-8, and copper pipe specification is φ 50 × 2.5;
2) process of copper pipe surface: copper pipe as requested sawing is good, and sawing face is neat, not neat needs correction, in the copper pipe good by sawing, one section of support to bell mouth shape wears copper pigtail to facilitate in copper pipe, note making copper pipe circumferencial direction occur crackle, and the copper pipe through above-mentioned processing is carried out silver-plated process, the thickness of silver coating is 7 μm of-15um, the phenomenon such as coating surface must not occur decortication, bubble, burns, pit;
3) copper pigtail imports into: copper pigtail is cut into the length of requirement by the length and the radical that make copper braid over braid as requested, and the length of every root copper pigtail is greater than the 2-3cm of copper braid over braid length; The copper pigtail sheared is penetrated copper pipe from flared end; Repeat this process, sub-for the copper pigtail other end is penetrated the copper pipe of the other end; In this process, should align in each flat copper plait end, and when straining from two ends, all copper pigtail should collect;
4) terminal rolls: flattened by the copper pipe forcing press putting on copper pigtail in step 3), then puts it in roller copper braid over braid compacting grinding tool to roll and form copper braid over braid, the change of thickness when will notice that in the process rolled end copper pipe is pressed into terminal; The calculated value of thickness is as follows:
D=copper pipe diameter, t
1=copper pipe pipe thickness, S
1=copper pipe sectional area, S
2the sub-total sectional area of=copper pigtail
W=suppresses the width of braid over braid terminal, t
2the thickness of=compacting braid over braid terminal,
Wherein:
According to practical operation experience, the thickness of general actual compacting must not be greater than theoretic throat 2mm;
5) hole: as required to the copper braid over braid boring rolling formation;
6) finished product inspection: detect braid over braid terminal outward appearance, braid over braid terminal outward appearance wants flat smooth, silver coating without the skin effect phenomenon that comes off, braid over braid terminal corrugationless, protuberance phenomenon.
Conventional copper braid over braid roller-compaction size is as following table:
Adopt method of the present invention to make braid over braid rate of finished products, the sub-sectional area of copper pigtail is 300-500mm
2, rate of finished products is 95%; The sub-sectional area of copper pigtail is 500-800mm
2, rate of finished products is 98%, far away higher than the rate of finished products of conventional method.
Above only describes general principle of the present invention and preferred implementation, those skilled in the art can make many changes and improvements according to foregoing description, and these changes and improvements should belong to protection scope of the present invention.
Claims (6)
1. electric equipment connects the manufacture method with copper braid over braid, it is characterized in that comprising the following steps:
1) copper pigtail and the determination of copper pipe: the enclosed busbar be connected as required and equipment choice determine the specification of the copper braid over braid that will make, according to the specification determination copper pigtail cuckoo lattice of copper braid over braid and number and copper pipe specification;
2) process of copper pipe surface: copper pipe as requested sawing is good, in the copper pipe good by sawing, one section of support is to bell mouth shape, and the copper pipe through above-mentioned processing is carried out silver-plated process, and the thickness of silver coating is 7 μm-15 μm;
3) copper pigtail imports into: copper pigtail is cut into the length of requirement by the length and the radical that make copper braid over braid as requested, and the length of every root copper pigtail is greater than the 2-3cm of copper braid over braid length; The copper pigtail sheared is penetrated copper pipe from flared end; Repeat this process, sub-for the copper pigtail other end is penetrated the copper pipe of the other end; In this process, should align in each flat copper plait end, and when straining from two ends, all copper pigtail should collect;
4) terminal rolls: flattened by the copper pipe forcing press putting on copper pigtail in step 3), then puts it in roller copper braid over braid compacting grinding tool to roll and form copper braid over braid, the change of thickness when will notice that in the process rolled end copper pipe is pressed into terminal; The calculated value of thickness is as follows:
D=copper pipe diameter, t1=copper pipe pipe thickness, S1=copper pipe sectional area, the sub-total sectional area of S2=copper pigtail,
W=suppresses the width of braid over braid terminal, and t2=suppresses the thickness of braid over braid terminal,
Wherein:
According to practical operation experience, the thickness of general actual compacting must not be greater than theoretic throat 2mm;
5) hole: as required to the copper braid over braid boring rolling formation.
2. electric equipment connects the manufacture method with copper braid over braid according to claim 1, it is characterized in that: the sectional area of copper pigtail is the 30-50% in cross section, copper pipe hole.
3. electric equipment connects the manufacture method with copper braid over braid according to claim 1, it is characterized in that: the material of copper pipe and copper pigtail is a red copper.
4. the electric equipment connection manufacture method of copper braid over braid according to claim 1 or 2 or 3, is characterized in that: copper braid over braid cross section is 300mm
2-500mm
2, the sub-cross section of copper pigtail is 100mm
2, copper pigtail subnumber order is 3-5, and copper pipe specification is φ 39 × 2.5.
5. the electric equipment connection manufacture method of copper braid over braid according to claim 1 or 2 or 3, is characterized in that: copper braid over braid cross section is 400mm
2-700mm
2, the sub-cross section of copper pigtail is 100mm
2, copper pigtail subnumber order is 4-7, and copper pipe specification is φ 45 × 2.5.
6. the electric equipment connection manufacture method of copper braid over braid according to claim 1 or 2 or 3, is characterized in that: copper braid over braid cross section is 700mm
2-800mm
2, the sub-cross section of copper pigtail is 100mm
2, copper pigtail subnumber order is 7-8, and copper pipe specification is φ 50 × 2.5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510192891.XA CN104868340B (en) | 2015-04-22 | 2015-04-22 | Electric equipment connects the manufacture method with copper braid over braid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510192891.XA CN104868340B (en) | 2015-04-22 | 2015-04-22 | Electric equipment connects the manufacture method with copper braid over braid |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104868340A CN104868340A (en) | 2015-08-26 |
| CN104868340B true CN104868340B (en) | 2015-12-09 |
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ID=53913986
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510192891.XA Active CN104868340B (en) | 2015-04-22 | 2015-04-22 | Electric equipment connects the manufacture method with copper braid over braid |
Country Status (1)
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Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2211642Y (en) * | 1994-04-23 | 1995-11-01 | 秦绍华 | Soft knitted copper wires |
| US5541380A (en) * | 1994-09-16 | 1996-07-30 | Methode Electronics, Inc. | Braided cable solidification |
| CN103682939B (en) * | 2012-09-07 | 2016-09-07 | 佛山市国电电器有限公司 | The terminal of a kind of electrical equipment and the welding method of braid over braid |
| CN102856675A (en) * | 2012-09-10 | 2013-01-02 | 江苏镇安电力设备有限公司 | Flexible connecting conductor |
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2015
- 2015-04-22 CN CN201510192891.XA patent/CN104868340B/en active Active
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| CN104868340A (en) | 2015-08-26 |
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