| 摘要 |
FIELD: agriculture.SUBSTANCE: flat round-sieve device for separation of tuberous roots to fractions comprises two flat round sieves, the device for removal of sorted fractions from the surface of the sieves, the boundary casing, the drive mechanism. The calibrating surfaces are made in the form of exchangeable flat sieves consisting of rings concentrically arranged with the desired spacing and wheels attached to the spokes, the hubs of which are mounted on a common vertical shaft with the possibility of changing their position in height. The round sieves are shielded by cylindrical cup-shaped casing fixed to the racks of the frame with the ability to change its position in height. On the surface of the casing and on the bottom the windows are cut for removal of the sorted fractions. On the inner side of the casing in the area of removal of coarse and medium fractions over the sieves there are freely rotating wheel shutoff devices, in front of which under the sieves the pushers of the stuck tubers (root crops) are located, made in the form of bent plates in contact with the sieve with a spring. Over each sieve at an angle smaller than the angle of friction to the path of movement of tubers the lamellar reflectors are mounted, attached with one end to the casing.EFFECT: improvement of efficiency of separation of root crops into fractions.2 dwg |
