Portable boring equipment

The utility model discloses a portable boring device. The device comprises a bottom plate, a carrying handle, a fixing frame, a first transmission gear, a mounting frame, a matching output gear, a gear handle, a speed changer, a motor, a second transmission gear, a fixing sleeve, an auxiliary screw rod, a fixing screw rod, a supporting plate, a sliding buckle, a sliding rail, a matching gear, a transmission sleeve and a connecting plate; the motor and the speed changer are installed on the bottom plate in a matched mode, the moving handle is arranged on the bottom plate, the boring assembly can be moved conveniently, and boring operation can be conducted on large machines which are not easy to move. The speed changer is arranged at the output end of the motor, the rotating speed of the boring cutter can be adjusted according to different materials, the boring speed can be increased, and boring cutter abrasion is reduced. The fixed sleeve is arranged at one end of the main screw rod, the main screw rod is fixe