摘要 |
FIELD: transport. ^ SUBSTANCE: transportation of solid materials is effected in tube casing. Screw feeder contains transportation channel with input and output, movable screw, and engine. Channel input is combined with output of loading hopper; output of channel is combined with discharge channel input. Movable screw is connected with rotary shaft via flexible springing suspension. Flexible springing suspension has rigidity regulator attached to support. Movable screw may be coupled with engine directly or via additional flexible springing suspension. ^ EFFECT: prevention of screw seizure. ^ 10 cl, 1 dwg |