Exposed steel bar rust removal device in field of constructional engineering

The utility model relates to the technical field of steel bar rust removal, in particular to an exposed steel bar rust removal device in the field of constructional engineering, which comprises a grip, a vertical plate is fixedly connected to one side of the grip, a fixed plate is fixedly connected to one side of the vertical plate, a movable groove is formed in the vertical plate, and a hydraulicrod is fixedly connected to the top of the fixed plate. The utility model has the advantages that: the utility model has the advantages that: the structure is simple; when the steel bar derusting device is used, a steel bar to be derusted is put into the two clamping barrels; then the fastening plate is fixed through the fixing screws; then the clamping barrel is fixed through the fixed plate andthe movable plate; six gears in the fixed plate and the movable plate are correspondingly meshed with the two combined gears; the motor is started, and the movable gear drives the two clamping barrels to rotate, so that the p