Special split disassembly and assembly type piling machine tool for foundation reinforcement in limited space and method

The invention relates to a special split disassembly and assembly type piling machine tool for foundation reinforcement in a limited space and a method. A disassembly and assembly type cast-in-situ bored pile main machine, a group of flange joint type special drill rod and drill bit positioning system, a steel wire rope winch lifting power system, a pump station hydraulic system, a wall protection slurry feeding, discharging and slurry changing circulating system, a matching machine frame integrating a guide pipe for lifting and vibrating concrete pouring and lowering a steel reinforcement cage (latticed column) and a split disassembly and assembly type cast-in-situ bored pile main machine assembling auxiliary frame. The special split disassembly and assembly type piling machine tool can meet the construction of a foundation reinforcement pile foundation project with low clearance and narrow plane space, and is mainly suitable for continuous working procedures of hole forming of a cast-in-situ bored pile, hoi