| 摘要 |
<p>The mining machine has a cutting arm swivelling up and down and sideways across a revolving seating on its self-propelled chassis. The arm (21), together with its revolving seating (19) is mounted on a base frame (18), or similar. This is fitted on the head side of the chassis (10, 11), which has running gear with wheels bearing pneumatic tyres. One part (11) of the chassis can carry the arm, on a single axle, and another, also single axled, part (10), hinged (12) to it can carry the drive assembly (14).</p> |
