Intermittent sampling structure for fly ash

The utility model discloses a discontinuous sampling structure for coal ash, and particularly relates to the technical field of coal ash detection, which comprises an outer steel pipe and an inner steel pipe, the outer steel pipe is sleeved on the surface of the inner steel pipe, and one end of the inner steel pipe far away from a conical head is fixedly connected with a connecting component for stabilizing the inner and outer steel pipes. The inner steel pipe and the outer steel pipe of different structures are sleeved, the outer steel pipe is sleeved on the surface of the inner steel pipe, the inner wall of the outer steel pipe is in sliding connection with the outer wall of the inner steel pipe, and one end of the outer steel pipe is fixedly connected with a conical head convenient for the whole device to enter a coal ash pair. The surface of the inner steel pipe is provided with a plurality of second communicating holes matched with the first communicating holes in interval position aperture size, and the