Sampling device for constructional engineering detection

The utility model relates to the technical field of sampling devices, and discloses a sampling device for constructional engineering detection, which comprises a base, a plurality of groups of support columns distributed at intervals are fixedly mounted on the base, a top plate is fixedly mounted at one ends, far away from the base, of the support columns, and screw rods distributed at intervals are rotatably mounted on the base. A double-shaft motor is fixedly installed on the top plate, output shafts of the double-shaft motor point to the lead screws and are rotationally connected with the lead screws through gear sets, the lead screws are jointly provided with a lifting frame of a frame-shaped structure, a telescopic piece is fixedly installed in the lifting frame, and a movable plate in sliding connection with the lifting frame is fixedly installed at the output end of the telescopic piece. Compared with the prior art, the concrete sampling device has the beneficial effects that automatic blanking of conc