| 摘要 |
The present disclosure relates to a cutting head (10) for hard rock mining applications. The cutting head (10) may comprise a base member (20) having a rotational axis (12) and a center bore (30; 130) extending along the rotational axis (12; 112), a drive bushing (31, 131) disposed within the center bore (30; 130) and configured to transmit torque from a driving device to the base member (20; 120), a plurality of tool supports (40) concentrically disposed about the rotational axis (12) in a releasable manner, and a plurality of cutting bit carriers (50) attached to each of the plurality of tool supports (40). When at least one of the plurality of cutting bits (60) is worn, the tool support (40) including worn cutting bits (60) may be replaced by a new tool support (40) including new cutting bits (60). |
