Dynamic compaction positioning device capable of recording ramming times of rammer

The utility model discloses a dynamic compaction positioning device capable of recording ramming times of a rammer. The dynamic compaction positioning device comprises a truncated cone-shaped shell with a cover and without a bottom, a plurality of laser transmitters and a power supply, the circular-truncated-cone-shaped shell comprises an upper bottom plate and a horn-shaped side wall, the multiple laser emitters are evenly arranged on the inner surface of the horn-shaped side wall in the circumferential direction, and each laser emitter is vertically arranged downwards. The laser emitters are circumferentially arranged on the inner surface of the circular-truncated-cone-shaped shell, annular laser brightness characteristics can be formed on the ground surface in the vertical direction, reference is provided for construction personnel to compare the ground surface lime contour line for pounder positioning, and then the falling position of a pounder can be accurately determined; according to the utility model,