CN104708175A - High-strength and equal-outer-diameter overall welding method for full-specification cable conductors - Google Patents
High-strength and equal-outer-diameter overall welding method for full-specification cable conductors Download PDFInfo
- Publication number
- CN104708175A CN104708175A CN201510112235.4A CN201510112235A CN104708175A CN 104708175 A CN104708175 A CN 104708175A CN 201510112235 A CN201510112235 A CN 201510112235A CN 104708175 A CN104708175 A CN 104708175A
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- China
- Prior art keywords
- conductor
- welding
- cable conductor
- silver
- external diameter
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- 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.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K9/00—Arc welding or cutting
- B23K9/16—Arc welding or cutting making use of shielding gas
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K35/00—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
- B23K35/22—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by the composition or nature of the material
- B23K35/24—Selection of soldering or welding materials proper
- B23K35/30—Selection of soldering or welding materials proper with the principal constituent melting at less than 1550 degrees C
- B23K35/302—Cu as the principal constituent
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K9/00—Arc welding or cutting
- B23K9/235—Preliminary treatment
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K2101/00—Articles made by soldering, welding or cutting
- B23K2101/36—Electric or electronic devices
- B23K2101/38—Conductors
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- Connections Effected By Soldering, Adhesion, Or Permanent Deformation (AREA)
Abstract
The invention discloses a high-strength and equal-outer-diameter overall welding method for full-specification cable conductors. The method includes the following steps that first, connectors at the two ends A and B of a cable conductor to be welded are striped off so that conductors with the length being 60-240 mm can be exposed; second, the exposed conductors at two ends A and B are cut or polished towards the two sides along a vertical center line, the cross sections of the ends A and B are both conical and are symmetrical about a vertical central plane, and the conical angle of each cross section ranges from 30 degrees to 150 degrees; third, the ends A and B are aligned along the vertical central plane, and the cross sections of the ends A and B are respectively washed through ethyl alcohol; fourth, argon arc silver soldering is adopted at the ends A and B for vertical welding; fifth, a welding connector is polished, it is guaranteed that the welding connector is consistent with the outer diameter of conductor bodies, and the surface is smooth and clean. The bevels of the conductors are cut or polished, then, argon arc silver soldering is adopted for performing vertical welding on the conductors from bottom to top, the high-quality welding connector is formed, and the method has good application prospects.
Description
Technical field
The present invention relates to the external diameter integral welding methods such as a kind of high strength for full specification cable conductor, belong to cable welding technical field.
Background technology
At present, the weld mode of power cable conductor has been divided multiple, specific as follows,
(1) single conductor is abutted against by silver soldering sheet and is welded into an entirety, and this joint is applicable to low-voltage cable;
The non-compact conductor integral solder of less than (2) 10, needs by silver solder and borax, and this method there will be the phenomenon that weld conductor resistance increases, and is greater than the conductor of more than 10, and welding difficulty is larger;
(3) utilize cable accessory transition joint or utilize copper sheathing to crimp, this method is applicable to job site operation, but the tensile strength of its welding position is no more than 85% of whole conductor tensile strength, and welding position diameter obviously increases;
(4) conductor layering argon arc welding, but welding sequence is comparatively loaded down with trivial details, welding difficulty is comparatively large, and required welding conductors is longer, conductor unsightly, unstable properties.
, all there is different shortcomings in above-mentioned conventional method, how to provide a kind of convenient and swift, effect good for full specification cable conductor welding method, be current urgent problem.
Summary of the invention
The object of the invention is to overcome existing cable conductor welding method, there is the problem of shortcoming in various degree.The external diameter integral welding methods such as the high strength for full specification cable conductor of the present invention, adopt and conductor is carried out inclined-plane cutting or polishing, adopt argon arc silver soldering to its from bottom to top vertical welding again, form the welding point of high-quality, simple to operate, efficiency is high, stable performance, full specification conductor welding method that weld seam is attractive in appearance, welding point electrical property and good mechanical performance, can be used for the cable conductor welding of various voltage level and full specification, have a good application prospect.
In order to achieve the above object, the technical solution adopted in the present invention is:
For the external diameter integral welding method such as high strength of full specification cable conductor, it is characterized in that: comprise the following steps,
Step (1), by needing the A end, cable conductor both ends of welding, the joint strip off of B end, exposes the conductor of 60-240mm length;
Step (2), by conductor exposed to A end, B end respectively along the cutting of vertical centerline direction phase both sides or polishing, all tapered shape in cross section of A end, B end, and symmetrical along vertical median plane, the cone angle in each cross section is between 30 °-150 °;
Step (3), aligns A end, B end along vertical median plane, is cleaned the cross section of A end, B end by alcohol respectively;
Step (4), in A end, B end part aligning point place adopts argon arc silver soldering to carry out vertical welding, until weld complete respectively from below to up;
Step (5), is polished plumb joint by file or angle grinding machine, ensures consistent with conductor body external diameter, any surface finish.
The external diameter integral welding methods such as aforesaid a kind of high strength for full specification cable conductor, is characterized in that: the A end, cable conductor both ends that needs weld by step (1), the joint strip off of B end, expose the conductor of 120mm length.
The external diameter integral welding methods such as aforesaid a kind of high strength for full specification cable conductor, is characterized in that: step (4) adopts the mass percent of argon arc silver soldering silver solder used to be that phosphorus is 2-8%, and silver is 10-30%, surplus copper.
The external diameter integral welding methods such as aforesaid a kind of high strength for full specification cable conductor, is characterized in that: the mass percent of the silver solder that step (4) adopts argon arc silver soldering used is that 4.8-5.2%, silver is 14.5-15.5%, surplus copper.
The invention has the beneficial effects as follows: the external diameter integral welding methods such as the high strength for full specification cable conductor of the present invention, adopt and conductor is carried out inclined-plane cutting or polishing, adopt argon arc silver soldering to its from bottom to top vertical welding again, form the welding point of high-quality, simple to operate, efficiency is high, stable performance, full specification conductor welding method that weld seam is attractive in appearance, welding point electrical property and good mechanical performance, can be used for the cable conductor welding of various voltage level and full specification, have a good application prospect.
Accompanying drawing explanation
Fig. 1 is the flow chart of the external diameter integral welding methods such as the high strength for full specification cable conductor of the present invention.
Detailed description of the invention
Below in conjunction with Figure of description, the invention will be further described.Following examples only for technical scheme of the present invention is clearly described, and can not limit the scope of the invention with this.
As shown in Figure 1, the external diameter integral welding methods such as the high strength for full specification cable conductor of the present invention, comprise the following steps,
Step (1), by needing the A end, cable conductor both ends of welding, the joint strip off of B end, exposes the conductor of 60-240mm length, the conductor length of preferred 120mm;
Step (2), by conductor exposed to A end, B end respectively along the cutting of vertical centerline direction phase both sides or polishing, all tapered shape in cross section of A end, B end, and symmetrical along vertical median plane, the cone angle in each cross section is between 30 °-150 °;
Step (3), aligns A end, B end along vertical median plane, is cleaned the cross section of A end, B end by alcohol respectively;
Step (4), in A end, B end part aligning point place adopts argon arc silver soldering to carry out vertical welding respectively from below to up, until weld complete, here the mass percent adopting argon arc silver soldering silver solder used is that phosphorus is 2-8%, and silver is 10-30%, surplus copper, preferred phosphorus 4.8-5.2%, silver is 14.5-15.5%, surplus copper;
The mass percent embodiment 1 of silver solder is phosphorus 4.8-5%, and silver is 14.5%, surplus copper; Embodiment 2 is phosphorus 5%, and silver is 15.5%, surplus copper, and welding effect is good;
Step (5), is polished plumb joint by file or angle grinding machine, ensures consistent with conductor body external diameter, any surface finish.
In sum, the external diameter integral welding methods such as the high strength for full specification cable conductor of the present invention, adopt and end conductor to be welded is carried out inclined-plane cutting or polishing, adopt argon arc silver soldering to its from bottom to top vertical welding again, form the welding point of high-quality, simple to operate, efficiency is high, stable performance, full specification conductor welding method that weld seam is attractive in appearance, welding point electrical property and good mechanical performance, can be used for the cable conductor welding of various voltage level and full specification.
More than show and describe general principle of the present invention, principal character and advantage.The technical staff of the industry should understand; the present invention is not restricted to the described embodiments; what describe in above-described embodiment and description just illustrates principle of the present invention; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements all fall in the claimed scope of the invention.Application claims protection domain is defined by appending claims and equivalent thereof.
Claims (4)
1., for the external diameter integral welding method such as high strength of full specification cable conductor, it is characterized in that: comprise the following steps,
Step (1), by needing the A end, cable conductor both ends of welding, the joint strip off of B end, exposes the conductor of 60-240mm length;
Step (2), by conductor exposed to A end, B end respectively along the cutting of vertical centerline direction phase both sides or polishing, all tapered shape in cross section of A end, B end, and symmetrical along vertical median plane, the cone angle in each cross section is between 30 °-150 °;
Step (3), aligns A end, B end along vertical median plane, is cleaned the cross section of A end, B end by alcohol respectively;
Step (4), in A end, B end part aligning point place adopts argon arc silver soldering to carry out vertical welding, until weld complete respectively from below to up;
Step (5), is polished plumb joint by file or angle grinding machine, ensures consistent with conductor body external diameter, any surface finish.
2. the external diameter integral welding method such as a kind of high strength for full specification cable conductor according to claim 1, it is characterized in that: the A end, cable conductor both ends that needs weld by step (1), the joint strip off of B end, expose the conductor of 120mm length.
3. the external diameter integral welding method such as a kind of high strength for full specification cable conductor according to claim 1, is characterized in that: step (4) adopts the mass percent of argon arc silver soldering silver solder used to be that phosphorus is 2-8%, and silver is 10-30%, surplus copper.
4. the external diameter integral welding method such as a kind of high strength for full specification cable conductor according to claim 3, it is characterized in that: the mass percent of the silver solder that the silver soldering of step (4) employing argon arc is used is, 4.8-5.2%, silver is 14.5-15.5%, surplus copper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510112235.4A CN104708175A (en) | 2015-03-16 | 2015-03-16 | High-strength and equal-outer-diameter overall welding method for full-specification cable conductors |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510112235.4A CN104708175A (en) | 2015-03-16 | 2015-03-16 | High-strength and equal-outer-diameter overall welding method for full-specification cable conductors |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104708175A true CN104708175A (en) | 2015-06-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510112235.4A Pending CN104708175A (en) | 2015-03-16 | 2015-03-16 | High-strength and equal-outer-diameter overall welding method for full-specification cable conductors |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107123956A (en) * | 2017-05-15 | 2017-09-01 | 深圳科创新源新材料股份有限公司 | A kind of intermediate joint of electric cable welding and renovation technique |
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| CN101472701A (en) * | 2006-06-20 | 2009-07-01 | 帕尔萨焊接有限公司 | Method for high pressure/high velocity welding or joining first and second metal workpieces before welding/ joining |
| CN101913025A (en) * | 2010-07-29 | 2010-12-15 | 江苏通鼎光电股份有限公司 | Method for connecting ultrathin metal strap in production of radio frequency coaxial cable and connecting device |
| CN101971271A (en) * | 2007-12-14 | 2011-02-09 | 北卡罗来纳康姆斯科普公司 | Coaxial cable including tubular bimetallic inner layer with bevelled edge joint and associated methods |
| CN103154427A (en) * | 2010-10-08 | 2013-06-12 | 国际壳牌研究有限公司 | Methods for joining insulated conductors |
| CN103639566A (en) * | 2013-12-17 | 2014-03-19 | 江苏大中电机股份有限公司 | Method for welding stator winding and leading cable of energy-saving type motor |
| CN104227190A (en) * | 2014-08-19 | 2014-12-24 | 西安三威安防科技有限公司 | Cable connector welding method |
-
2015
- 2015-03-16 CN CN201510112235.4A patent/CN104708175A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101472701A (en) * | 2006-06-20 | 2009-07-01 | 帕尔萨焊接有限公司 | Method for high pressure/high velocity welding or joining first and second metal workpieces before welding/ joining |
| CN101971271A (en) * | 2007-12-14 | 2011-02-09 | 北卡罗来纳康姆斯科普公司 | Coaxial cable including tubular bimetallic inner layer with bevelled edge joint and associated methods |
| CN101913025A (en) * | 2010-07-29 | 2010-12-15 | 江苏通鼎光电股份有限公司 | Method for connecting ultrathin metal strap in production of radio frequency coaxial cable and connecting device |
| CN103154427A (en) * | 2010-10-08 | 2013-06-12 | 国际壳牌研究有限公司 | Methods for joining insulated conductors |
| CN103639566A (en) * | 2013-12-17 | 2014-03-19 | 江苏大中电机股份有限公司 | Method for welding stator winding and leading cable of energy-saving type motor |
| CN104227190A (en) * | 2014-08-19 | 2014-12-24 | 西安三威安防科技有限公司 | Cable connector welding method |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107123956A (en) * | 2017-05-15 | 2017-09-01 | 深圳科创新源新材料股份有限公司 | A kind of intermediate joint of electric cable welding and renovation technique |
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| PB01 | Publication | ||
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| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150617 |
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| RJ01 | Rejection of invention patent application after publication |