Automatic welding method for sidewall and side post of railway general covered wagon and auxiliary device

Abstract

The invention relates to an automatic welding method for a sidewall and a side post of a railway general covered wagon and an auxiliary device. The auxiliary device comprises two clamping plates and one bottom plate. One end of each clamping plate is arranged at the top of one end of the bottom plate, and the other end of each clamping plate is arranged on the side post. The bottom plate is arranged on the upper portion of a sidewall panel and close to the joint of the sidewall panel and the side post. The bottom plate is further provided with a magnetic fillet welding trolley. The magnetic fillet welding trolley moves on the bottom plate with the bottom plate as a rail. The automatic welding method and the auxiliary device can greatly lower the equipment cost, is simple in operation, economical, practical and capable of effectively improving production efficiency. The automatic welding method and the auxiliary device can be widely applied to various railway wagons.

Description

technical field [0001] The invention relates to a welding method and device for railway boxcar parts, in particular to an automatic welding method and auxiliary device for side walls and side columns of railway boxcars. Background technique [0002] In general-purpose railway boxcars, the welds between the side columns and the side wall panels are long fillet welds in the appearance of the side walls (such as figure 1 shown), the simplified structure of its weld joint is as follows figure 2 shown. Since the side wall of the box car is a 2.3mm thin plate profiled structure, the automatic welding of the weld is mostly realized by a welding machine or a robot. This automatic welding method requires the design of a special side wall production line, which is expensive and requires a large investment. The traditional automatic trolley welding method is not only low in price, but also easy to operate and can meet the quality requirements of welds. Traditional automatic trolley...

AI Technical Summary

Problems solved by technology

Traditional automatic trolleys are divided into butt cutting machine trolleys and fillet welding magnetic trolleys. The track of the butt joint cutting machine trolley is affected by the unevenness of the side wall after pressing. During the interval, due to the effect of gravity, the trolley sinks, causing the welding arc to be unstable and affecting the welding quality

The use of fillet welding magnetic trolley also faces the same problem. The automatic welding trolley has no walking level

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