Features: (1) Oil pressure automatic feeding structure improves drilling efficiency and reduces labor strength. (2) Use ball clip clamping mechanism to replace chuck, and has clamping positioning mechanism to carry out drill pile feeding without shut down. (3) Centralized handles and convenient operation. (4) Compact structure, the drill and power engine are installed on the same chassis, then it has small occupation area. (5) Light weight, strong decomposability, easy to move makes it suitable for working in plain or mountain area. (6) Installed safety guard shows its humanization design feature. (7) There are fixed nuts on bottom of feeding oil cylinder and vertical shaft box to enhance the reliability of drill. Technical parameters: (1) Rated drilling depth: 200m (2) Rated boring diameter: 200mm, max. boring diameter: 300mm (3) Vertical shaft rotation speed (4 shifts): 118, 236, 505, 1010.r/min (4) Vertical shaft max. output torque: 1500N*m (5) Max. hositing weight single line): 17KN (6) Drilling rod diameter: 42mm (7) Drilling dip angle: 90~75° (8) Drill outside diameter (L*B*H): 1433*697*1273mm (9) Drill weight: 500kg (10) Diesel engine model: S1110