Novel housing construction steel keel device

The utility model discloses a novel house building steel keel device which comprises a plurality of rectangular-rod-shaped main keels, a plurality of sleeves arranged on the main keels in a sliding and sleeving mode and an auxiliary keel connected between the upper sleeve and the lower sleeve, fixing cylinder columns are arranged on the front side wall and the rear side wall of each sleeve, and mounting holes are formed in inner cavities of the fixing cylinder columns. Two rectangular inserting holes are formed in the upper end and the lower end, attached to the main keel, of the sleeve in an inner cavity of the mounting hole, the inner cavity of each inserting hole is connected with the auxiliary keel in an inserted mode, the sleeve enables the main keel and the auxiliary keel to be fixedly connected through first screws, and two fixing blocks are fixedly connected between the side wall of the sleeve and the side wall of the fixing cylinder column. And the two fixing blocks are located on the two sides of th