DEVICE FOR STABILIZATION OF COLUMNS OF MULTIPURPOSE APPLICATION Russian patent published in 1994 - IPC

FIELD: mining industry; extraction of minerals from water reservoir bottom. SUBSTANCE: device for stabilization of columns of multipurpose application has pulp intake column with suction head located with its upper end in opening of craft. Column is provided with counterweight to stabilize it during waving of water reservoir surface. Counterweight is installed at distance equal to half of wave length from water reservoir surface. Counterweight is made in form of sleeve with opposite brackets on which hollow balls are located for motion along brackets. Counterweight is installed for rotation and axial displacement. Hollow of each ball is communicated with compressed air force and ambient atmosphere. Besides, device has jig installed in opening of craft. Jig is made in form of cylindrical body with flanges rigidly attached to craft. Located on inner wall of jig are flexible sections to form hole for column in jig center. EFFECT: higher efficiency. 2 cl, 3 dwg