Steel structure surface treatment device

The utility model discloses a steel structure surface treatment device, and relates to the technical field of steel fixing, the steel structure surface treatment device comprises a spraying processing table, the upper side of the spraying processing table is fixedly provided with a second fixing support ring, and the inner side of the second fixing support ring is rotatably connected with a built-in adjusting ring; according to the steel structure surface treatment device, at the moment, the built-in guide plate drives a built-in clamping plate pad to clamp and fix a steel pipe, and then an operator can control a connecting guide ball to drive the built-in adjusting ring to rotate; and the steel pipe is integrally rotated through rotation of a built-in adjusting ring, then the surface of the steel pipe is rotationally sprayed, in this way, it is guaranteed that the steel pipe is clamped, fixed and rotationally adjusted easily and conveniently before being sprayed, and the problems that when a traditional stee