It is a kind of mechanical conveying equipment with fixed device. It is suitable for horizontal conveyance of granular or powdery powder, such as grain, oilseed, feed, etc., or inclined conveyance that is close to horizontal (inclination angle ≤20 °).
It adopts low-speed chain transmission and variable pitch structure, which is simple in structure, good in stability, good in sealing effect, convenient in maintenance, and good in quantitative feeding.