Concrete strength measuring device

The utility model relates to the technical field of concrete strength measuring equipment, in particular to a concrete strength measuring device which comprises a base, a box body welded to the top of the base, a supporting frame welded to the inner wall of the center of the top of the box body, a movable end of an air cylinder body penetrating through the inner wall of the supporting frame, and an extrusion head capable of moving up and down arranged in the box body. According to the concrete strength measuring device, the box body and the box door structure are arranged, so that the whole concrete strength measuring structure can be completely covered, and concrete disintegrating slag is prevented from flying out of the device; according to the concrete strength measuring device, the working burden of cleaning personnel is relieved, meanwhile, accidents in the concrete strength measuring process are avoided, the working personnel can conveniently observe the conditions in the box body through tempered glass