The utility model discloses a drilling equipment is used in flange fork processing, including operation panel, roof, motor no. 1, transmission shaft, adjustable ring, motor no. 2, drilling post, cylinder, fixed plate and fan, its characterized in that: the operation panel setting on the support, the roof on be provided with on the riser, motor no. 1 set up on the roof, the transmission shaft bothends pass the bearing, the adjustable ring on be provided with internal thread, connecting plate, motor no. 2 set up on the connecting plate, the drilling post set up on the rotation axis, the cylinder setting on the operation panel, the fixed plate setting on the piston rod. The utility model discloses to move epaxial external screw thread sets up to two sections to set up two sections external screw threads into reverse structure on the transmission shaft, the transmission shaft drives external screw thread forward or reverse rotation, and it is rotatory that the external screw thread drivesthe internal thread, makes adjustable ring round trip movement on the transmission shaft, has improved flange fork's drilling efficiency, has reduced operating personnel's intensity of labour.