Coal sample loosening device of full-automatic sampling machine

The utility model discloses a coal sample loosening device of a full-automatic sampling machine, which comprises a cylinder body, a loosening pipe, a piston plate, a cylinder sleeve and a connecting pipe. The coal blocking condition at the tail of the fixed-mass division belt of the full-automatic wet and sticky coal sampling machine can be relieved, and the sampling result is more representative. 本实用新型公开一种全自动制样机煤样疏松装置，包括缸体、疏松管、活塞板、缸套和连接管，本实用新型主要针对于制样过程中破碎机下料口处皮带堵煤，通过装置往复运动和喷嘴吹气，可缓解较湿、较黏煤全自动制样机定质量缩分皮带尾部堵煤情况，使制样结果更具代表性。