PURPOSE: An aggregate selector in which a grizzly screen is installed is provided to flow the movable main body for selection in vertical direction and horizontal direction at the same time. CONSTITUTION: An aggregate selector in which a grizzly screen is installed comprises a frame(1), a movable main body for selection(2), a rotary shaft(3), and a gear box(5). The frame comprises one side/the other side supports(11a),(11b) which is composed of a leveling plate(111) and an outside vertical plate(112). The movable main body for selection is flowable in the vertical and horizontal directions. The movable main body for selection comprises an inclined plate(21) and a grizzly screen(22). The horizontal rotary shaft comprises a plurality of perpendicular eccentric cams(32) which flow the movable main body for selection in the vertical direction. The gear-box is connected to the upper part of the leveling plate of the other side support using the horizontal rotary shaft and a power transmission tool(4). A vertical pivot(51) is installed at the top of the gear-box. The perpendicular rotary shaft comprises a horizontal eccentric cam(52) which flows the movable main body for selection in the horizontal direction.
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