| 摘要 |
A cutting apparatus (100) suitable for creating tunnels or subterranean roadways and the like comprising:a main frame (102) having regions (300, 301, 302) facing in a first direction, a second direction opposite to the first direction and a third direction perpendicular to the first and second direction and to a lengthwise direction; first and a second arm (121) each pivotally mounted via a respective arm pivot axis (401) aligned in a direction extending transverse including perpendicular to the first and second direction to enable the first and second arms (121) to pivot independently of one another in the first and second direction, at least one first and second arm actuator (122, 130) to actuate independently pivoting movement of the first and second arms (121) relative to the main frame (102), and a rotatable cutting head (128) mounted at each of the first and second arms (121). |
