Flywheel housing center positioning pile head

The invention discloses a flywheel housing center positioning pile head. The flywheel housing center positioning pile head comprises a pile head body, a core shaft, a first elastic element, a bolt andmultiple ejector rods, wherein the pile head body is provided with an axial first cavity and multiple second cavities which communicate with the first cavity in the radial direction and distributed at equal intervals; the core shaft is accommodated in the first cavity and provided with a first end and a second end, and the size of the first end is larger than that of the second end; one end of the first elastic element abuts against the second end of the core shaft, and the other end of the first elastic element abuts against the bottom of the first cavity of the pile head body; the bolt penetrates the core shaft in an extension manner, is sleeved with the first elastic element and is in threaded connection with the pile head body; and each ejector rod is movably accommodated in the corresponding second cavity, t