Environment-friendly polishing and passivating tandem production line for copper alloy sheath railway link-up grounding wire

Abstract

The invention provides an environment-friendly polishing and passivating tandem production line for a copper alloy sheath railway link-up grounding wire. The environment-friendly polishing and passivating tandem production line comprises a pay-off rack, a mine bracket, a tape release rack, a strip leveling device, an edge cutter, an accurate cutting device, a molding device, an argon arc welding machine, a drawing device, a traction machine, a take-up machine, an annealing device, a cooling water channel, an uncoiling and polishing device, a cleaning device, a passivating device, an ultrasonic cleaning device and a lettering device, wherein the annealing device, the cooling water channel, the uncoiling and polishing device, the cleaning device, the passivating device, the ultrasonic cleaning device and the lettering device are sequentially arranged between the traction machine and the take-up machine; the uncoiling and polishing device comprises an uncoiling and polishing groove, an uncoiling and polishing liquid tank and first drying equipment; the uncoiling and polishing liquid tank is used for providing an uncoiling and polishing liquid to the uncoiling and polishing groove; and the first drying equipment is arranged at the line outlet side of the uncoiling and polishing groove. According to the environment-friendly polishing and passivating tandem production line, the procedures of molding, welding, annealing, cooling, uncoiling, polishing, cleaning, passivating, cleaning, drying, lettering and winding are effectively connected in series for production; the produced product is stable and reliable in quality; and the production efficiency is high.

Description

technical field [0001] The invention belongs to the technical field of production of railway through-ground wires, and in particular relates to an environment-friendly polishing and passivation serial production line for railway through-ground wires with copper alloy sheaths. Background technique [0002] The railway through-ground wire is a grounding cable used in the integrated railway grounding system. In the integrated railway grounding system, the through-ground wire with a resistance to ground of less than or equal to 1Ω is used as the grounding cable, and the signal equipment beside the track and in the station area is grounded nearby to realize equipotential connection of the signal equipment along the line, avoiding potential differences between different equipment. damage. Its structure is that a layer of alloy sheath is tightly covered outside the stranded soft copper conductor, which has excellent environmental protection performance, corrosion resistance, flame...

AI Technical Summary

Problems solved by technology

Tests have proved that after copper alloy is used as the metal sheath material to tightly cover the stranded soft copper conductor, the corrosion resistance of the railway through ground wire obtained by different metal surface treatment processes is significantly different.

Since the production industry of through-ground wires is generally not familiar with the metal surface treatment process, the surface of the metal sheath is simply and roughly passivated, and the metal surface is not degreased, polished, etc., and the passivation layer is prone to fall off. The corrosion resistance of the copper alloy sheathed railway penetration ground wire is reduced, which affects the service life

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