Welding process for fixed beam of translation type single-beam crane

The invention discloses a welding technology for a fixed beam of a translation type single-beam crane. The welding technology comprises the following steps that S1, a plate is blanked through a plasma cutting technology; s2, installing and welding a bottom plate: hoisting the bottom plate into the platform, flatly placing the bottom plate on the platform, hoisting another bottom plate into the platform to form a butt joint in the form of an X-shaped groove, and carrying out positioning spot welding; s3, assembling the partition plate, namely marking a cross center line on the bottom plate, marking partition plate lines, web double lines and an appearance line towards two sides in sequence by taking the center line as a reference, hoisting the partition plate, and positioning and spot welding after the partition plate is vertical to the bottom plate; s4, two web plates are assembled, center lines and partition plate lines are marked on the web plates, the web plates are hung in, after it is ensured that the we