Handling device and method for handling drill string components in rock drilling and rock drill rig

A rock drill rig, comprising:

• a drill string;
• a rotator device for rotation and driving of the drill string and being moveable to and fro;
• a feed beam configured to support the rotator device;
• and
• a handling device comprising:
• a gripper unit for gripping drill string components to be placed or be removed in or from an active drill string position of the drill rig, wherein the gripper unit is swingably supported around a first swing axis in a region of the feed beam between:
• a first position aligned with said active drill string position, and
• a second position aligned with a delivering position for drill string components to be placed or be removed in or from said active drill string position,
• a swing arm comprising support configured to support a drill string component and being swingable around a second swing axis between a loading position for drill string components and said delivering position, and
• a guiding beam comprising first and second ends disposed opposite each other, wherein the first end is secured adjacent to the first swing axis, and wherein the second end is secured adjacent to the second swing axis, whereby the guiding beam is arranged to provide a mechanical stop for the gripper unit in said second position and to provide a mechanical stop for the swing arm in the delivering position.

A method for handling drill string components with respect to a rock drill rig, the method comprising:

• rotating and driving a drill string with a rotator device being supported moveably to and fro on a feed beam,
• gripping a drill string component to be placed or be removed in or from an active drill string position of the drill rig,
• swinging a gripper unit around a first swing axis in the region of the feed beam between:
• a) a first position aligned with said active drill string position, and
• b) a second position aligned with a delivering position for drill string components to be placed or be removed in or from said active drill string position,
• swinging a swing arm comprising a support configured to support a drill string component around a second swing axis between a loading position for drill string components and said delivering position, and
• mechanically stopping the gripper unit in said second position and for as well as the swing arm in the delivering position, with a guiding beam comprising first and second ends being disposed opposite each other and respectively secured adjacent the respective first and second swing axis.