Horizontal detection device for building foundation

The utility model relates to the technical field of building construction, in particular to a level detection device for a building foundation, which has various working modes, can effectively performdepth detection on an inclined plane of the foundation after detecting the level of the foundation, can effectively improve the working efficiency and the working effect of the device during working,and brings convenience to a user. The device comprises a supporting plate, a gradienter, a first supporting rod, a second supporting rod, a driving motor, a screw ring, a screw rod, a driving plate,a movable rod and a coupler, a fixing groove is formed in the top end of the supporting plate, the gradienter is fixedly installed in the fixing groove, a pointer is fixedly installed at the top end of the gradienter, and a transmission shaft is arranged at the bottom end of the driving motor; the screw ring is installed on the screw rod in a screwed mode, two sets of driving rods are arranged onthe screw ring and connected