An operating system, rock drilling rig and method for operating an electrically operated rock drilling rig. The operating system (OS) comprises an electric system (ES) connected to an electric supply source (SS) and comprising one or more electric motors (EM) controlled by means of electric control devices ((1188)). The system further comprises a hydraulic system (HS) comprising one or more hydraulic pumps (HP) and hydraulic control devices (20). There are hydraulic tramming actuators (12) connected to closed loop hydraulic circuits (24, 24a) and hydraulic drilling actuators (19) connected to either open or closed loop circuits (25, 26).
OPERATING SYSTEM, ROCK DRILLING RIG AND METHOD
2023-10-12
Patent
Electronic Resource
English