TRACK-MOUNTED GRAIN HARVESTER Russian patent published in 2014 - IPC A01D41/00 

FIELD: agriculture.

SUBSTANCE: track-mounted grain harvester comprises a header with a feed elevator, a double-drum threshing device, a thresher cleaning device, an elevator for transporting tailings, a hopper for collecting grain. The threshing device comprises concaves, two intermediate beaters, the separating grate, and the stripper beater. The thresher cleaning device comprises straw walkers, a fan, a shaker pan and sieve pan with a chute board. The hopper for grain is mounted on the frame under the sieve pan away from the unloading device. Cross-section of the hopper in the longitudinal-vertical plane has a shape of letter "W". On the ledge of the middle part of the hopper the partition is hingedly attached. The partition divides the hopper into two parts. On each side of the partition the springs are mounted. At the lower part of the hopper the unloaded windows are made. The windows are closed pivotally with suspended flaps. The lower ends of the flaps are connected to double-acting hydraulic cylinders. In the front part of the shaker pan a through hole is made. In the hole at the level of the upper ledges of the shaker pan the lower louvered sieve is mounted. Above the lower sieve the upper louvered sieve is mounted. Under the louvered sieves the chute board and a fan is mounted.

EFFECT: possibility of a separate collection of heavy uninjured grain.

2 dwg