Method for welding multilayer cable conductors

A welding method and technology of multi-layer conductors, applied in circuits, connections, electrical components, etc., can solve the problems of difficult welding, increased conductor resistance, etc., and achieve high tensile strength and fault current impact resistance. Beautiful, controllable effects

Inactive Publication Date: 2013-12-25
KUNSHAN AODELU AUTOMATION TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] There are many kinds of joints for power cable conductors. One is that a single conductor is welded into a whole with the help of silver soldering pieces. This joint is suitable for low-voltage cables; Silver welding rod and borax, this method will increase the resistance of the conductor at the welding point, more than 10 conductors, welding is more difficult; the third is to use the middle joint of the cable accessory or use copper sleeve crimping, this method It is suitable for construction site operations, but the tensile strength of the welding part does not exceed 85% of the tensile strength of the entire conductor. Currently, effective welding methods for multi-layer conductor cables are still a problem

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0016] A conductor welding method for a multilayer cable, comprising the following steps:

[0017] (1) First, peel off the A-end and B-end at both ends of the cable that need to be welded to expose the multi-layer conductor;

[0018] (2) According to the longest intermediate conductor at end A, the conductors of each layer are shortened layer by layer from the inside to the outside, and the conductors of each layer are shortened layer by layer at end B according to the shortest intermediate conductor; the cross-section of each layer of conductors is the same as the horizontal Oblique cross-section at an angle of 30 degrees; where the difference in cut-off length between the outer conductor and the inner conductor is 25mm;

[0019] (3) The cross-sections of the conductors at the A end and the B end are matched and docked one by one, and the inner layer to the outer layer is welded layer by layer by melting argon arc welding, and nickel alloy sheets with a thickness of 0.01mm ar...

Embodiment 2

[0022] A conductor welding method for a multilayer cable, comprising the following steps:

[0023] (1) First, peel off the A-end and B-end at both ends of the cable that need to be welded to expose the multi-layer conductor;

[0024] (2) According to the longest intermediate conductor at end A, the conductors of each layer are shortened layer by layer from the inside to the outside, and the conductors of each layer are shortened layer by layer at end B according to the shortest intermediate conductor; the cross-section of each layer of conductors is the same as the horizontal Oblique cross-section at an angle of 45 degrees; where the length difference between the truncated outer conductor and the inner conductor is 35mm;

[0025] (3) The cross-sections of the conductors at the A end and the B end are matched and docked one-to-one. From the inner layer to the outer layer, the melting electrode argon arc welding is used for layer-by-layer welding, and nickel alloy sheets with a ...

Embodiment 3

[0028] A conductor welding method for a multilayer cable, comprising the following steps:

[0029] (1) First, peel off the A-end and B-end at both ends of the cable that need to be welded to expose the multi-layer conductor;

[0030] (2) According to the longest intermediate conductor at end A, the conductors of each layer are shortened layer by layer from the inside to the outside, and the conductors of each layer are shortened layer by layer at end B according to the shortest intermediate conductor; the cross-section of each layer of conductors is the same as the horizontal Oblique cross-section at an angle of 30 degrees; where the difference in cut-off length between the outer conductor and the inner conductor is 30mm;

[0031] (3) One-to-one matching and docking of the cross-sections of the conductors at the A-end and the B-end, from the inner layer to the outer layer are welded layer by layer by melting electrode argon arc welding, and nickel alloy sheets with a thickness...

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PUM

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Abstract

The invention discloses a method for welding multilayer cable conductors. Stepped slope cutting is conducted on the multilayer cable conductors, and then the multilayer cable conductors are welded from the inner layer to the outer layer in a gas metal arc welding mode to form a high-quality welding connector. The method for welding the multilayer cable conductors is simple in technology, strong in controllability and attractive, smooth and even in welding seam; a finished cable has very high tensile resisting strength and fault current impact resisting capability and has certain mechanical performance and corrosion prevention performance.

Description

technical field [0001] The invention relates to the processing field of cable conductors, in particular to a conductor welding method for multilayer cables. Background technique [0002] There are many kinds of joints for power cable conductors. One is that a single conductor is welded into a whole with the help of silver soldering pieces. This joint is suitable for low-voltage cables; Silver welding rod and borax, this method will increase the resistance of the conductor at the welding point, more than 10 conductors, welding is more difficult; the third is to use the middle joint of the cable accessory or use copper sleeve crimping, this method It is suitable for construction site operations, but the tensile strength of the welding part does not exceed 85% of the tensile strength of the entire conductor. At present, an effective welding method for multi-layer conductor cables is still a problem. [0003] Therefore, a new technical solution is needed to solve the above prob...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01R43/02
Inventor 郁彬
Owner KUNSHAN AODELU AUTOMATION TECH
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