FIELD: handling of dangerous products. SUBSTANCE: invention can be used for extraction of dangerous products placed for long-term storage in hoppers whose ceiling is formed by protecting cover plate with single hole, made, as a rule, in center of plate and normally closed. Proposed device for checking, sampling or extraction of content from hopper contains mechanism suspended from carrying wire rope and lowered into hopper through hole. Device has at least three guide wire ropes located over plate and coming to guide with which they are connected after passing through plate through drilled holes. Holes are located in crown. Wire ropes are wound on winches set into operation by electric motors. Device is furnished with common winch control system. Guide is provided with sliding surfaces for support of carrying wire rope between points of fastening of guide wire ropes. EFFECT: possibility of checking and sampling in any point at high accuracy. 18 cl, 9 dwg
Authors
Dates
2003-11-20—Published
1999-03-04—Filed