| 摘要 |
<p>A coal mining mining plow (1) comprising a plow base (4), two cutting bit carriers (7) pivotably supported on a respective pivot pin (8), a roof cutting bit carrier (12) attached to the plow base (4) in a height-adjustable manner, and an attachment member (20) settable on the plow base (4) is disclosed. The attachment member (20) may include ancillary cutting bit columns (21) provided with extraction cutting bits (22). Each ancillary cutting bit column (21) may be respectively positioned in its extraction position for a plow trip above a cutting bit carrier (7), and an intermediate member (30) may be disposed between the attachment member (20) and each ancillary cutting bit column (21). The intermediate member (30) may be foldable attached to the attachment member (20) and may be folded away into an installation position, in which the corresponding cutting bit carrier (7) is removable while the attachment member (20) and the intermediate part (30) remain installed.</p> |
