Safety helmet anti-collision performance detection device

The utility model relates to the technical field of safety helmet performance detection, in particular to a safety helmet anti-collision performance detection device which comprises a base, a safety helmet body is arranged at the top of the base and close to the center, a fixing frame is arranged above the base, and guide rods are arranged at the bottom of the fixing frame and close to the four corners. A fixing plate is arranged on the guide rod and located above the safety helmet body, a protection mechanism is arranged on the fixing plate and comprises a protection cover and a pressing ring, a guide mechanism is arranged on the fixing frame and located above the safety helmet body, and the guide mechanism comprises an adjusting frame and a guide pipe. According to the safety helmet, the protective cover and the pressing ring are matched with each other, protection can be conducted on the outer side of the safety helmet body, impact materials or the broken safety helmet body are prevented from splashing out