The utility model belongs to the technical field of bridge engineering mechanical device, involve a wheel load formula case beam -ends head scabbling machine. It includes array chisel burr picture peg, turns to support, lift groove, drive case, controller and frame, on the shaft coupling of connected to the frame between two wheels, be equipped with the drive case on it, the drive case is equipped with the controller at the lower extreme, is equipped with the lift groove in the left side, the inslot card in lift groove turns to the support, should turn to leg joint array chisel burr picture peg, the drive incasement is equipped with turning to the bracket driver ware and cutting a hole the burr driver of connection director, turn to vertical removal and rotation that the control of bracket driver ware turned to the support. Compared with the prior art, wheel load formula scabbling machine simple structure, easily operation, chisel hair effect is obvious, has avoided artifical use pneumatic pick to the pointwise chisel hair of case beam -ends head, the efficiency of beam slab end chisel hair has obtained very big improvement with the quality.