Positioning device for floor penetrating sleeve

The utility model relates to the technical field of building construction, and discloses a floor penetrating sleeve positioning device which comprises a base, a stand column is fixedly connected to the top of the base, a driving box is fixedly installed above the stand column, an inserting plate is fixedly connected to the lower side of the driving box, and an auxiliary mechanism is arranged on the inner side of the inserting plate. A positioning mechanism is arranged on the inner side of the driving box, the auxiliary mechanism comprises two fixing blocks fixedly installed on the inner side of the inserting plate, first compressed springs are fixedly connected to the outer sides of the fixing blocks, and clamping plates are fixedly connected to the ends, away from the fixing blocks, of the first compressed springs; the positioning mechanism comprises a double-shaft motor fixedly installed in the driving box, and lead screws are fixedly installed on output shafts on the two sides of the double-shaft motor. Ac