MINERAL MATERIAL FEED APPARATUS, EQUIPMENT WITH SUCH FEED APPARATUS AND METHOD FOR FEED APPARATUS ADJUSTMENT Russian patent published in 2018 - IPC B02C23/02 

FIELD: transportation, packaging and storage of goods or materials.

SUBSTANCE: group of inventions refers to mineral material feed apparatus and the method of its regulation when used in crushers or mills. Feed apparatus comprises first frame 1, hopper attached to first frame 1, and a feeder connected to first frame 1 with the possibility of getting material loaded into the hopper onto the conveying surface 6 of the conveying member 5 of the feeder. Gap is formed between conveying surface 6 and the lower edge of the wall of the hopper, and the feeder includes distance adjustment elements 11 for moving conveying surface 6 of the feeder and lower edge 7 of the hopper wall relative to each other. Delivery device comprises second frame 9 fixed at an adjustable distance d2 from first frame 1 by means of adjustment elements 11. Distance adjustment members 11 comprise rod 13 having first hinge 14 pivotally mounted on first 1 or second 9 frame. Second lever hinge 15 is located at a third distance from first hinge 14 and pivotally mounted on corresponding second 9 or first 1 frame, acting as a control pair, wherein the distance adjustment member comprises screw 12 or a wedge configured with moving possibility of lever 13 when actuating them. Method for adjusting the feed apparatus is to move transport surface 6 of the feed device and the bottom edge of the wall of the feed box relative to each other by distance adjustment members.11, by moving lever 13 with the help of screw 12 or a wedge.

EFFECT: feed apparatus provides infinitely variable adjustment of the distance between the transport surface and the bottom edge of the feed hopper wall.

17 cl, 9 dwg