Cast-in-place concrete pile head breaking device

The utility model provides a cast-in-place concrete pile head breaking device. The cast-in-place concrete pile head breaking device comprises a shell and a first drilling assembly. Two ends of the shell are opened for sleeving the outer side of a cast-in-place concrete pile head; the first drilling assembly comprises a plurality of first drilling needles, the first drilling needles are arranged in the circumferential direction of the shell, and needle heads of the first drilling needles extend towards the interior of the shell and are used for drilling the pile head of the concrete cast-in-place pile. According to the cast-in-place concrete pile head breaking device, the shell is arranged on the outer side of the cast-in-place concrete pile head in the sleeving mode, then all the first drilling needles are used for punching the surface of the cast-in-place concrete pile head in the circumferential direction till a fault occurs on the cast-in-place concrete pile, then the cast-in-place concrete pile head can b