FIELD: mining and other industries; discharge of loose materials from containers. SUBSTANCE: method includes local mechanical action onto stuck material from free surface side along section of stuck loose. Material. Mechanical action is provided by strokes. Direction of action onto stuck material is adjusted by asymmetrical suspension of striking unit relative to its center of gravity. Device has striking unit with working member and flexible suspension. Extension piece is rigidly mounted on front part of striking unit. Extension piece is made in form of solid of revolution of second order with gravity force exceeding or equal to recoil force of striking unit. EFFECT: increased efficiency of cleaning of hopper side walls. 6 cl, 4 dwg
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METHOD OF ELIMINATION OF BRIDGING AND STICKING OF MATERIAL INSIDE HOPPER AND DEVICE FOR UNLOADING OF MATERIAL FROM HOPPER | 1994 |
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METHOD OF CONSTRUCTING WALL IN GROUND FOR PROTECTING FOUNDATION OF BUILDING | 1989 |
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Authors
Dates
1999-09-10—Published
1996-10-24—Filed