| 摘要 |
<p>A mining machine has a forward rotating cutter head (10) mounted on a boom (11), said cutter head (10) comprises at least two cutter drums (12, 13) in co-axial end to end formation and spaced apart by an arm (14) of the boom (11), wherein an auxiliary cutter device (20) is located in the space (15) between the drums (12, 13) and adapted for intermittent engagement of the coal face when the cutter drums (12, 13) are cutting.</p> |
