Device for repairing a top cover of a hydro turbine by adding or removing materials

A device for repairing a top cover of a hydro turbine by adding or removing materials, the device comprising:

• a rotating support base (100), a connecting arm (200), a movable frame (300), and a machining assembly (400);
• wherein the rotating support base (100) comprises:
• a base (110);
• a rotating seat (120), wherein the rotating seat (120) is disposed on the base (110);
• and
• a driving assembly (130), wherein the driving assembly (130) is disposed on the base (110), and an output shaft of the driving assembly (130) is drivably connected to the rotating seat (120);
• wherein an end of the connecting arm (200) is connected to the rotating seat (120), and an another end of the connecting arm (200) is connected to the movable frame (300);
• wherein the movable frame (300) comprises:
• a lifting plate (320);
• a sliding table assembly (330), wherein the sliding table assembly (330) is disposed on an upper side of the lifting plate (320);
• a measuring system (350), wherein the measuring system (350) is disposed on the upper side of the lifting plate (320);
• and
• a swivel seat (340), wherein the swivel seat (340) is disposed on an upper side of the sliding table assembly (330), and the machining assembly (400) is detachably mounted on the swivel seat (340).