摘要 |
The invention relates to a device for digging trenches and refilling them wi th earth, especially for laying pipes. Said device comprises a self propelled travelling mechanism (2), said travelling mechanism supporting a machine frame (4) with an upper structure. The device also has a boom (6) which is mounted on said machine frame (4) in such a way that it can pivot, and a shovel bucket (16). Said boom has several boom arms (8, 10, 12) which are connected in such a way that they are articulated . The shovel bucket (16) is pivotably mounted at the free end of the boom (6). According to the invention, a milling/mixing rotor (22) is located on the shovel bucket (16).
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