Prestressed concrete box girder deflection detection device

The utility model relates to the field of deflection detection, and discloses a prestressed concrete box girder deflection detection device which comprises a supporting seat, the top of the supporting seat is fixedly connected with a motor box, the inner bottom wall of the motor box is fixedly connected with a second motor, and an output shaft of the second motor is fixedly connected with a rotating shaft through a coupler. One end of the rotating shaft is fixedly connected with a connecting base, and a lead screw groove is formed in the top of the connecting base. According to the prestressed concrete box girder deflection detection device, by arranging the supporting seat, the lead screw, the first motor, the detection device main body, the connecting seat, the second motor, the base, the supporting frame, the supporting block, the lead screw groove and the rotating shaft, in the process of detecting a concrete box girder through the detection device, the direction and the position of the detection device c