Fecha de publicación: 02/02/2024 Fuente: WIPO "circular economy" The utility model discloses a concrete detection sampling device which comprises a fixed plate and a cylinder, the center of the fixed plate is slidably connected with a movable rod, the movable rod is sleeved with a first spring, one end of the first spring is fixedly connected with the fixed plate, and the other end of the first spring is fixedly provided with a pressing block; the device further comprises a limiting sleeve fixedly installed in the center of the top of the fixing plate, the limiting sleeve is in sliding connection with the moving rod, a fixing block is fixedly installed at the bottom of the moving rod, a plurality of connecting assemblies are arranged at the connecting position of the fixing block and the barrel, and a limiting assembly is arranged on the lower portion of the interior of the barrel. According to the concrete sampling device, the limiting assembly is arranged in the cylinder body, so that concrete entering the cylinder body can be limited when the concrete is sampled, the concrete in the cylinder body is prevented from flowing out after the cylinder body leaves the concrete, and the accuracy of concrete sampling is guaranteed.