Welded steel-coated-aluminum steel-aluminum conductor rail and production method thereof

Abstract

The invention relates to a welded steel-coated-aluminum steel-aluminum conductor rail and a production method thereof and belongs to the field of urban rail transit power supply. The welded steel-coated-aluminum steel-aluminum conductor rail comprises an aluminum rail, a stainless steel strip, and two stainless steel bars. The production method of the welded steel-coated-aluminum steel-aluminum conductor rail includes: using special equipment to cold-bend the stainless steel strip into a C shape, fastening the stainless steel strip to the surface of the aluminum rail, embedding the two stainless steel bars into grooves of two sides of the aluminum rail, pressing and welding the stainless steel strip and the aluminum rail to form two welds, integrally connecting the stainless steel strip and the two stainless steel bars, and tightly attaching the stainless steel strip and the stainless steel bars to the aluminum rail. The welded steel-coated-aluminum steel-aluminum conductor rail is economical and reliable, attachment of steel-aluminum binding faces is guaranteed, and electrical performance of the whole conductor rail is guaranteed.

Description

technical field [0001] The invention relates to a welded steel-clad aluminum-type steel-aluminum composite contact rail and a manufacturing method thereof, belonging to urban rail transit power supply equipment. Background technique [0002] The catenary rail, also known as the third rail, is a power supply method in urban rail transit. Compared with the traditional overhead catenary system, it is being used more and more because of its good safety performance and less impact on the urban landscape. Adopted by domestic cities. For example: Beijing Metro Line 10, Line 9, Line 5, Daxing Line, Yizhuang Line, Fangshan Line, etc. Steel-aluminum composite contact rail is a new type of contact rail supply material that has emerged in China in recent years. Compared with low-carbon steel contact rail, it has many advantages such as light weight, large carrying capacity, corrosion resistance, and recyclability. Domestic steel-aluminum composite The manufacture of contact rails is s...

AI Technical Summary

Problems solved by technology

[0003] Chinese patent CN200610004806.3 mentions a ladle aluminum structure, the steel bar is embedded horizontally in the head of the aluminum rail, the stress generated by the welding will pull the steel bar out of the groove, thus affecting the continuity of the welding, followed by welding The seam is easy to penetrate, melting the aluminum rail at the weld, and the aluminum material blending into the weld will reduce the strength of the weld

Images