Wheat ear-grain stripping structure for harvester and harvester with same

Abstract

The invention discloses a wheat ear-grain stripping structure for a small-scale harvester and the small-scale harvester with the same. The wheat ear-grain stripping structure comprises a rotation cylinder and an elastic threshing roller, a semicircular wire-mesh screen is further arranged below the rotation cylinder, a radial space between an inner surface of the mesh screen and an outer surface of the threshing roller is the grain diameter of 1.5-2.0 rice grains or wheat grains, and a space between two adjacent wefts on the mesh screen is the grain diameter of 2-3 rice grains or wheat grains. Grain casings of rice or ears entering the position between the mesh screen and the threshing roller are easy to separate under grinding and extruding effects of the elastic threshing roller, the rice or wheat grins are leaked to a collection tank from the mesh screen, and ear claws are discharged from the back along rotation of the rotation cylinder. The small-scale harvester with the wheat ear-grain stripping structure can be small in size, light in weight, less in energy consumption and low in cost, the small-scale harvester is applicable to use in time receiving in paddy fields, small wheat fields and hilly areas, and common peasant households can purchase the small-scale harvester due to low construction cost.

Description

technical field [0001] The invention relates to a harvester, in particular to a structure for stripping rice and wheat spikes on the harvester and the harvester with the structure. Background technique [0002] At present, when rice and wheat are harvested, it is more and more popular for farmers to use harvesters to rush to harvest grain. Because of its fast harvesting speed and good threshing effect, it is very popular among farmers. However, its equipment is huge and expensive, so it is not owned by most farmers. Therefore, the miniaturization of harvesters is a current development trend. [0003] In addition, large harvesters also have the following deficiencies in threshing: [0004] 1) During the threshing process, when the rice grains or wheat grains are knocked down by the hammer set on the drum, many ears and leaves are also knocked down. Therefore, blasting equipment is required to sort the grains and leaves. [0005] 2) In order to separate the rice grains or wh...

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Problems solved by technology

[0005] 2) In order to separate the rice grains or wheat grains from the husk, the diameter of the drum in the threshing structure is large and the rotation speed is fast, so the kinetic energy required is large, and the harvester is bulky and heavy, which is not conducive to the use of paddy fields, small wheat fields and hilly areas

[0006] 3) During the threshing process, due to the fast rotating speed of the threshing drum and the blowing effect, it is easy to cause some rice and wheat grains to splash out, resulting in waste

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