Anti-settling mud drilling bit

The utility model provides an anti-settling mud drilling bit, which comprises a drilling bit, a transmission shaft and a screw drill, wherein three semicircular bulges are arranged on the front end of the drilling bit, tooth wheels which are matched with the bulges are arranged in the bulges, sprayed concrete mouths are arranged between two adjacent bulges, the drilling head is connected with the screw drill through the transmission shaft, an anti-settling plate is fixed on a middle position of one side of the screw drill, and the anti-settling plate and a center line of the screw drill have a certain slope. The anti-settling mud drilling bit has the beneficial effects that the anti-settling plate is welded on the middle position of the screw drill, and is used to increase contact area of a mud drilling bit with the ground, reduces pressure, increases deflection ability, and prevents the mud drilling bit from settling. The anti-settling mud drilling bit has the advantages of simple structure, convenient maint