Pile driver for building

The invention discloses a pile driver for building. The pile driver for building comprises a pile driver main body. A pile driver gantry opening is formed in the upper surface of the pile driver mainbody. A fixing bolt is arranged on the right side of the pile driver gantry opening. A guide member is arranged on the bottom of the fixing bolt. A pump force linkage rod is arranged on the right sideof the guide member. An impact type pile hammer is arranged on the bottom of the pump force linkage rod. An air pressure piston is arranged on the bottom of the impact type pile hammer. A pile driving transmission rod is arranged on the left side of the air pressure piston. A pile body fastener is arranged on the bottom of the pile driving transmission rod. A sliding connecting block is arrangedon the bottom of the pile body fastener. An infrared calibrator is arranged on the bottom of the sliding connecting block. A hydraulic crate is arranged on the left side of the infrared calibrator. Winching equipment is arrange