Full-feeding combined harvesting threshing device

Abstract

The invention relates to a full-feeding combined harvesting threshing device which comprises a body. A front transverse tangential-flow drum, a transitional guide plate and a rear longitudinal axial-flow drum are sequentially mounted on the body, a front grid concave sieve is arranged below the front transverse tangential-flow drum, a rear grid concave sieve is arranged below the rear longitudinal axial-flow drum, a swing type vibrating sieve is mounted below the front grid concave sieve and the rear grid concave sieve, a fan, a primary auger and a secondary auger are mounted below the swing type vibrating sieve, and a stem cutting device is mounted at the rear of the swing type vibrating sieve. The full-feeding combined harvesting threshing device is characterized in that the transverse center line of the front transverse tangential-flow drum and the axial center line of the rear longitudinal axial-flow drum are positioned on the straight line; a plurality of punched holes are uniformly formed in the transitional guide plate. The rear longitudinal axial-flow drum comprises threshing toothed bars and a feeding head, the feeding head is mounted at the ends of the threshing toothed bars, and three spiral blades are arranged on the circumferential surface of the feeding head. The full-feeding combined harvesting threshing device has the advantages that the conveying and threshing abilities can be improved, the feeding quantity can be increased, and the loss ratio can be reduced.

Description

technical field [0001] The invention relates to a full-feed combined harvesting threshing device, which belongs to the technical field of agricultural machinery. Background technique [0002] In the prior art, the threshing drums of the full-feed combine harvester are mainly vertical-mounted axial-flow drums and horizontal-mounted axial-flow drums, which have low production efficiency and large grain loss. The front cutting flow drum of the cutting and vertical flow full-feed combine harvester is horizontal, and the rear axial flow drum is vertical. The transverse center of the front cutting flow drum is offset relative to the axis of the rear axial flow drum. The screw feeding head of the rear axial flow drum adopts double leads. Compared with the single vertical axial flow full-feed combine harvester, this arrangement has a larger feeding amount, but since the transverse center of the front cutting flow drum is offset from the axis of the rear shaft drum, it is easy to pr...

AI Technical Summary

Problems solved by technology

Compared with the single vertical axial flow full-feed combine harvester, this arrangement has a larger feeding amount, but since the transverse center of the front cutting flow drum is offset from the axis of the rear shaft drum, it is easy to produce a dead angle on the offset side. The crops are piled up here, which is easy to cause blockage, and the transportation is not smooth, which affects the normal harvest

In addition, its transmission is mainly chain transmission, which has complex structure, high noise and poor reliability.

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