MEMBER WELDING STRUCTURE CARGO TRANSPORT VEHICLE AND CARGO TRANSPORT CONTAINER

摘要

A welding structure of a member capable of reducing the amount of heat input and suppressing deformation of a welded portion is provided. Is a welded structure (3) of a first member (a bottom member 30) made of an extruded shape member and a second member (a support frame 50) welded to the first member. The first member is a welded structure The second member has an abutting portion 90 abutting on the abutting portion 81 and abuts against the abutting portion 81. The abutting portion 80 abuts against the abutting portion 81, Welded to each other. It is preferable that the opposing portion 81 extends in the extrusion direction of the extruded shape member. A swelling portion 82 is formed on the back side of the plate portion (lower plate portion 34) of the first member at the position where the opposite portion 81 and the abutting portion 90 are abuttingly welded to each other, It is preferable that the plate portion in the plate is thick.