Special equipment for assembling hydraulic oil cylinder

The utility model relates to special equipment for assembling a hydraulic oil cylinder, which belongs to the technical field of oil cylinder assembling equipment and comprises a mounting table, a supporting seat is fixedly connected to the middle of the mounting table and penetrates through the mounting table, a hydraulic motor is fixedly connected to the lower end face of the supporting seat, and a three-jaw chuck is fixedly connected to an output shaft of the hydraulic motor. The three-jaw chuck is located above the mounting table, the upper end face of the mounting table is fixedly connected with two parallel clamping cylinders, and a clamping assembly is clamped between the two clamping cylinders. During assembling, the cylinder barrel is fixed through the three-jaw chuck, the cylinder cover or the cylinder bottom is placed at the upper end of the cylinder barrel, and the clamping assembly clamps and fixes the cylinder cover or the cylinder bottom; the clamping assembly is clamped in the clamping barrel,