Take self -cleaning function's material sampling equipment

The utility model discloses a take self -cleaning function's material sampling equipment, include that the follow is last to descending consecutive sampler, collecting pipeline and sample collector, its characterized in that: sampler is provided with the guide tee bend with the junction of collecting the pipeline, guide three -way feed inlet and sampler intercommunication, discharge gate of guide three -way links to each other with the sample collector with the one end intercommunication of collecting the pipeline, the other end of collecting the pipeline, another discharge gate of guide three -way feeds through with the one end of returning charge pipeline, and the other end of returning charge pipeline links to each other with the conveyer belt. The utility model discloses the beneficial effect who possesses simple structure, ability automatically cleaning laying dust.