FIELD: process engineering.
SUBSTANCE: invention relates to appliances intended for cleaning inner surfaces of various hollow articles and serves to destruct arches and webs of packed loose materials formed in hard-to-access places of containers or hoppers and clean their surfaces. Proposed device comprises casing, hollow drive shaft rigidly jointed with the main working tool, a screw, arranged coaxially inside said hollow drive shaft to translate therein. Eye rings are made on said hollow drive shaft. Main working tool represents a drill with cutting edges, four vanes and splined tail part. The latter interacts with screw and is furnished with interconnected links coupled with eye rings and main working tool. Drive shaft extension, outside the casing, has wrench point.
EFFECT: higher quality of cleaning.
2 dwg
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