Device for improving digging characteristic and flattening characteristic of digger

The utility model discloses a device for improving the digging characteristic and the flattening characteristic of a digger, belonging to the technical field of a hydraulic circuit device. The device comprises an electromagnetic valve set and a hydraulic control reversing valve, wherein an oil control output end A1 of the electromagnetic valve set is connected with an oil control input end a1 of the hydraulic control reversing valve in series, an oil control output end A2 of the electromagnetic valve set is connected with a pilot control end XBa2 of a multi-way valve set in series, and an oil return port T1 of the electromagnetic valve set is connected with a hydraulic oil tank; and a left control handle valve is connected with pilot control ends XAa2 and XAa1 of the multi-way valve set and a pressure detection end a2 of the hydraulic control reversing valve by an ARM CROWD end, an oil control output end b1 of the hydraulic control reversing valve is connected with a pilot control end XAb2 of the multi-way valve, and an oil return port T2 of the hydraulic control reversing valve is connected with the hydraulic oil tank. The device has the beneficial effects that the use efficiency and the operation comfortable sensation are improved, simultaneously the production cost and the maintenance cost are reduced, and the labor working efficiency is further obviously improved.