Abstract
In the design process of corn harvester, the influence and action mechanism of corn plant characteristics on the working parts of corn harvester (including cutting device, ear picking device, peeling device and other key parts) should be considered, and the physical and mechanical properties of corn plant need to be analyzed. To prevent serious “gnawing” of ears, high loss rate and crushing rate of ears and grains, and low efficiency of harvesting operation due to high moisture content of ears of corn in harvest period. Therefore, it is particularly important to analyze the physical and mechanical properties of maize plants.
Highlights
In the design process of corn harvester, the influence and action mechanism of corn plant characteristics on the working parts of corn harvester should be considered, and the physical and mechanical properties of corn plant need to be analyzed
The mechanical properties of materials refer to the characteristics of materials
In the process of corn harvest, the reject the original hypothesis H0, that corn straw fails to pull out the ear picking roller is, the equation is considered to have a linear in the strong pulling section, which leads to the relationship
Summary
GB / T 21962-2020 "corn harvester" in the detection of corn harvester in the provisions of the standard to determine indicators and methods[9][10]. The univariate linear regression equation of the maximum ear diameter to the straw root diameter:. The maximum ear diameter has a significant linear relationship with the straw root diameter, which provides a strong theoretical support for the design of gap adjustment components in the back ear picking mechanism. In the process of corn harvest, the reject the original hypothesis H0, that corn straw fails to pull out the ear picking roller is, the equation is considered to have a linear in the strong pulling section, which leads to the relationship. T-test is to test the intercept and first-order term coefficient in the univariate linear equation, in which the original assumption is H0:α=0 It is obvious from table 2 that P < 0.01, the rejection the end of the ear picking roller and blocks the ear picking roller. According to the plant height and straw diameter, the length, speed and clearance of ear picking roller should be designed reasonably
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