Quality detection device for building construction

The utility model relates to the technical field of building construction quality detection, in particular to a quality detection device for building construction, which comprises an electric push rod, one end of the electric push rod is fixedly connected with a placing frame, the surface of the placing frame is provided with a pusher, and the surface of the placing frame is slidably connected with an ultrasonic rebound apparatus. The quality detection device comprises an electric push rod, the surface of the electric push rod is provided with a limiting device, the limiting device comprises a connecting plate, the connecting plate is fixedly connected with one end of the electric push rod, the surface of the connecting plate is fixedly connected with four extension plates, and every two extension plates form a group. When a worker uses the ultrasonic rebound apparatus to detect the quality of concrete, the position of the electric push rod can be rapidly limited through the foot part, so that the ultrasonic