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Forming process of electric wire fixing preformed armor rods

A forming process and pre-twisted wire technology, which is applied in the field of electric wire fixed pre-twisted wire forming process, can solve problems such as hidden dangers and steel wire surface corrosion, and achieve the effects of high twisting strength, good anti-corrosion effect, and reasonable process layout

Inactive Publication Date: 2015-03-04
MINGGUANG RUICHUANG ELECTRIC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, due to the phenomenon of exposed steel wires in the broken section of the pre-twisted wires, corrosion and other phenomena on the surface of the steel wires appear after a period of outdoor use, which brings certain hidden dangers to the project. Therefore, it is necessary to improve the existing pre-twisted wires. Improve power transmission and distribution capabilities

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0017] Embodiment 1; A pre-twisted wire forming process for wire fixing, including the following steps:

[0018] (1) The length of the steel wire is sized;

[0019] (2) The steel wire is bent through the bending mechanism, and the steel wire is bent into a wave shape:

[0020] (3) Grind and polish the wave-shaped steel wire in step (2) until the surface is smooth;

[0021] (4) The surface formed in step (3) is quickly subjected to local cleaning treatment, and the treatment time is 20-40 seconds;

[0022] (5) Select groups of steel wires processed in step (4), and group 5 into groups;

[0023] (6) Twist a group of steel wires in the selected group, make each adjacent steel wire stick together, and bundle each group of twisted steel wires;

[0024] (7) Immerse the steel wire group treated in (6) in the glue solution for glue treatment, and then dry it after treatment, with the temperature controlled at 200℃-240℃;

[0025] (8) Mark (7) the steel wire group, lay sand, shank, and bend into sha...

Embodiment 2

[0026] Embodiment 2; A pre-twisted wire forming process for wire fixing, including the following steps:

[0027] (1) The length of the steel wire is sized;

[0028] (2) The steel wire is bent through the bending mechanism, and the steel wire is bent into a wave shape:

[0029] (3) Grind and polish the wave-shaped steel wire in step (2) until the surface is smooth;

[0030] (4) The surface formed in step (3) is quickly subjected to local cleaning treatment, and the treatment time is 20-40 seconds;

[0031] (5) Select groups of steel wires processed in step (4), and group 5 into groups;

[0032] (6) The two ends of each group of steel wires are treated with zinc, and the steel wires are put into the zinc bath. The zinc bath dipping time is 5-10 seconds, and the temperature of the zinc bath is maintained at 450℃-470℃. between.

[0033] (7) Twist a group of steel wires in the selected group, make each adjacent steel wire stick together, and bundle each group of twisted steel wires;

[0034] (...

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PUM

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Abstract

The invention discloses a forming process of electric wire fixing preformed armor rods. The forming process comprises the steps of forming-head polishing-cleaning-rod selection-twisting-binding-gum dipping-ribbon shearing (ribbons for binding)-marking-sand spreading-combining-bending. The forming process overcomes the defects of the prior art, and is reasonable in layout; steel wire strips of each set of steel wires are connected tightly; each steel wire in each set of the steel wires is specially treated, so that the preservative effect is good; and the preformed armor rods are high in twisting strength, so that the loose phenomenon is not generated in use.

Description

Technical field [0001] The invention relates to the technical field of power transmission lines, and in particular belongs to a pre-twisted wire forming process for wire fixing. Background technique [0002] After searching the relevant patent documents, the pre-twisted yarn and its preparation method that are the same as the present invention have not yet been retrieved. The existing electric power industry uses pre-twisted wires to fix the anti-vibration hammers or spacers on the transmission and distribution lines. Because the pre-twisted wires are convenient to use, they are more and more popular. The pre-twisted wire currently used is generally aluminum wire pre-twisted wire or aluminum-clad steel pre-twisted wire; due to its insufficient strength, the fixed point of the aluminum wire is prone to loosening after being used for a period of time; the existing aluminum The clad steel pre-twisted wire adopts the method of covering the steel wire with an aluminum layer to make t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B21F45/00
Inventor 徐志敏
Owner MINGGUANG RUICHUANG ELECTRIC
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