| 摘要 |
<p>A hydraulic motor for a loosening appliance on the cutting edge of the scoop trough is fitted to a scopp on an excavator. The motor is coupled to one or more rotating tearing appliances, with a self-digging action This appliance can be a disc cutter set parallel to the leading edge of the bottom of the scoop trough and below this there are teeth protruding beyond the cutting edge. Vertically effective disc cutters may be mounted outside the trough sidewalls This can be equally applied to light excavators, and is robust and effective, even on rocky terrain.</p> |
