FIELD: mining.
SUBSTANCE: invention refers to device for mining operations at underground enterprises by means of mining with caving. According to invention the following is provided: gate of drawing-off level is to have guidance rails fixed on bottom and layed in district between tail gate and haulage gate along which loading ramp is directed and may move to haulage gate and in opposite direction using actuating device of moving mechanism.
EFFECT: control of quantity of got material passing through bell and clean-out of gate of drawing-off level if it is blocked by got material.
16 cl, 3 dwg
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Authors
Dates
2009-12-20—Published
2006-08-24—Filed