Automatic excavating device for forest fire fireproof isolation belt

The utility model belongs to the technical field of excavating devices, and particularly relates to an automatic excavating device for a forest fire fireproof isolation belt, which comprises a movable walking device, a mounting seat is horizontally mounted in the advancing direction of the walking device, and a liftable lifting rod is vertically mounted on the mounting seat; the lifting rod, the buckets, the fixing rod and the driving device are located on the installation base and matched with one another, the driving device is started to drive the telescopic rod to rotate on the installation base, the telescopic rod is driven to rotate on the installation base, and the four buckets are installed on the lower portion of the installation base. And the lifting rod moves downwards on the mounting seat at the moment, so that the digging buckets are driven to dig ground soil, the soil generated by digging is thrown outwards under the action of centrifugal force, and the situation that accumulated mounds affect mo