Ultrasonic detection device for building steel structure detection

The utility model discloses an ultrasonic detection device for detecting a building steel structure, and relates to the technical field of building engineering. The device comprises a lifting carrying mechanism and a transverse movement detection structure. The left side and the right side of the lifting carrying mechanism are movably connected with the transverse movement detection structure. The lifting carrying mechanism comprises a movable linear conveying module, the movable linear conveying module and the fixed linear conveying module are slidably connected with an all-pass sliding support and a semi-pass sliding support through conveying sliding tables, and spring rods are fixedly connected to the centers of the inner walls of the rear ends of the all-pass sliding support and the semi-pass sliding support correspondingly. The front end of the spring rod is fixedly connected to the rear end face of the conveying sliding table, and a distance adjusting ring frame is arranged at the left front end of the