Rock drilling rig, method for controlling the temperature of its drive equipment, and liquid cooling system

摘要

The invention relates to a rock drilling rig, a method for controlling the temperature of its drive equipment, and a liquid cooling system. The rock drilling rig includes combustion-engine-free drive equipment, which includes electric components for affecting transfer drive. The rock drilling rig is also provided with a liquid cooling system, to which one or more electric components affecting the transfer drive are connected to be cooled by the system. The cooling of the components is controlled by a control unit according to a strategy set therein. The cooling system may additionally be precooled before the transfer drive.

主权项

1. A rock drilling rig which is used for drilling at drilling sites and transfer-driven between the drilling sites, the rock drilling rig comprising:
a movable carrier; combustion-engine-free drive equipment for performing a transfer drive of the rock drilling rig, the drive equipment including at least one electric motor and at least one electric control device for affecting the transfer drive; at least one energy storage, in which at least electric energy required for the transfer drive may be stored; at least one boom movable in relation to the carrier; at least one rock drilling machine arranged on the at least one boom; at least one liquid cooling system, wherein the at least one electric component affecting the transfer drive is connected to the at least one liquid cooling system; and at least one control unit, wherein the control unit is arranged to control the cooling of the at least one electric component connected to the at least one liquid cooling system and the at least one liquid cooling system being precoolable before a following transfer drive.