Tree planting and pit digging device for forestry forest culture and management

The utility model discloses a tree planting and pit digging device for forestry forest culture and belongs to the technical field of tree planting. A tree planting and pit digging device for forestry forest culture comprises a shell, a power mechanism is arranged in the shell, a rotating shaft A is arranged below the power mechanism, a drill bit is connected below the rotating shaft A, a plurality of blades are arranged on the upper portion of the drill bit, an adjusting hand wheel is arranged on the outer side of the rotating shaft A in a sleeving mode, a connecting ring is arranged below the adjusting hand wheel, and a plurality of connecting rods are arranged on the outer side of the connecting ring. The device can conveniently adjust the pore-forming diameter. 本实用新型公开了一种林业营林用植树挖坑装置，属于植树技术领域。一种林业营林用植树挖坑装置，包括外壳，外壳内设有动力机构，动力机构下方设有转轴A，转轴A下方连接有钻头，钻头上部设有多个刀片，转轴A外侧套设有调节手轮，调节手轮下方设有连接环，连接环外侧设有多个连接杆。本装置能够方便的对成孔直径进行调节。