Axial-feeding type rice and wheat threshing and separating integrated device

Abstract

The invention relates to an axial-feeding type rice and wheat threshing and separating integrated device which comprises a feed head (1), a longitudinal axial-flow threshing and separating drum (2), a threshing gridded cover plate (3) and a separating concave grate (4). The feed head (1) is arranged at the front end of the longitudinal axial-flow threshing and separating drum (2), the threshing gridded cover plate (3) is arranged on the upper side of the longitudinal axial-flow threshing and separating drum (2), the separating concave grate (4) is arranged on the lower side of the longitudinal axial-flow threshing and separating drum (2), and the threshing gridded cover plate (3) and the separating concave grate (4) encircle to form a barrel capable of accommodating the longitudinal axial-flow threshing and separating drum (2). The axial-feeding type rice and wheat threshing and separating integrated device can realize high-feed harvesting of rice or wheat, and is high in harvesting efficiency and high in threshing capacity. As the length of the longitudinal axial-flow drum is reduced effectively, straws smashed by smashing and throwing mechanism are smashed effectively and thrown uniformly, and then can be returned to fields directly after harvesting.

Description

technical field [0001] The invention relates to the technical field of a rice and wheat threshing and separating device on a combine harvester, in particular to an axial feeding type upper threshing and lower separation longitudinal axial flow rice and wheat threshing and separating device, which can be widely used in high-performance harvesting of rice and wheat. Background technique [0002] The existing threshing and separation devices of combine harvesters at home and abroad only use the concave screen under the threshing drum to thresh and separate agricultural materials such as rice and wheat. , 2008, 39(1), 45~50], the threshing and separation device on the combine harvester is divided into feeding section, threshing section and separation section, that is, the grains of agricultural materials are firstly threshed in front of the concave plate sieve, and then in the concave plate sieve. The rear part of the plate sieve is separated, which causes the length of the thre...

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Problems solved by technology

[0002] The existing threshing and separation devices of combine harvesters at home and abroad only use the concave screen under the threshing drum to thresh and separate agricultural materials such as rice and wheat. , 2008, 39(1), 45~50], the threshing and separation device on the combine harvester is divided into feeding section, threshing section and separation section, that is, the grains of agricultural materials are firstly threshed in front of the concave plate sieve, and then in the concave plate sieve. The rear part of the plate sieve is separated, which causes the length of the threshing drum of the combine harvester to be relatively long; the combined threshing and separation device of the tangential flow and longitudinal axial flow disclosed in Chinese patent ZL00137715. Threshing and grading, and then using the longitudinal axial flow drum to re-thresh and separate the threshed and separated grains. This structure uses multiple threshing drums for threshing and separation, resulting in a complex and large structure of the combine harvester, which requires high power for the combine harvester.

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