Assessment of the influence of the adjustment parameters of the slot seed-feeding device on the probability of seed pinching



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BACKGROUND: One of the promising areas for improving seeding machines is manufacturing of excess pressure devices, the use of which not only improves the quality of seeders operation at significant operating speeds, but also expands their functionality due to versatility. Reasonable ratio of adjustment parameters of seed-feeding devices with regard to operating modes largely depend on the technological properties of the seed. Thus, for example, it is obvious that the probability of seeds being pinched by the seed disk of a universal excess pressure slot-type device depends on the ratio of their thickness and the radial size of the dosing slot (which is variable within a certain range). Determining the dimensional characteristics of agricultural crop seeds will help to increase the efficiency of the settings of seed-feeding devices of seeding machines.

AIM: Assessment of the influence of the size of the radial gap between the housing and the seeding disk of a universal excess pressure slot-type device on the probability of seed pinching.

METHODS: The study was carried out on the example of spring barley seeds of the Vakula variety, harvested in 2022. At the first stage, the sizes of seeds were determined with an accuracy of 0.01 mm using an electronic caliper (300 pieces in sampling), followed by analysis of main statistical characteristics. At the second stage, the method for determining the probability of seed pinching between the device body and the working edge of the seed disk using previously obtained data, assuming a normal distribution of seed thickness values, was proposed.

RESULTS: It was found that in the case under consideration, the radial size of the dosing slot of about 1.9 mm can be considered reasonable.

CONCLUSION: The proposed method can be applied to seeds of other varieties of various crops.

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作者简介

Andrey Nesmiyan

Don State Agrarian University

Email: nesmiyan.andrei@yandex.ru
ORCID iD: 0000-0002-5556-1767
SPIN 代码: 7736-8806

Dr. Sci. (Engineering), professor, Professor of the Technologies and Mechanization of the Agricultural Industry Department

俄罗斯联邦, Zernograd

Konstantin Dubina

Don State Agrarian University

Email: longonor@yandex.ru
ORCID iD: 0000-0003-0543-9306
SPIN 代码: 2537-0575

Cand. Sci. (Engineering), assistant professor, Assistant professor of the Technologies and Mechanization of the Agricultural Industry Department

俄罗斯联邦, Zernograd

Irina Troyanovskaya

South Ural State Agrarian University

编辑信件的主要联系方式.
Email: tripav63@mail.ru
ORCID iD: 0000-0003-2763-0515
SPIN 代码: 8733-7935

Dr. Sci. (Engineering), professor, Professor of the Tractors, Agricultural Machinery and Agricultural Industry Department

俄罗斯联邦, Troitsk

Sergey Voinash

Altai State Technical University

Email: sergeyvoinash@yandex.ru
ORCID iD: 0000-0001-5239-9883
SPIN 代码: 9532-4604

Junior researcher of Intelligent Mobility Research Laboratory

俄罗斯联邦, Rubtsovsk

Alexandra Orekhovskaya

Belgorod State Agrarian University

Email: orehovskaja_aa@bsaa.edu.ru
ORCID iD: 0000-0001-8149-7191
SPIN 代码: 4274-8150

Cand. Sci. (Agriculture); Engineer for scientific and technical information of the Scientific Research and Development Department

俄罗斯联邦, Belgorod

参考

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2. Fig. 1. Design diagram (а) and prototype (b) of the V.I. Khizhnyak and P.L. Yatsenko’s slot-type seed-feeding device [19, 20]: 1, base; 2, disk working element; 3, friction lining; 4, electric motor; 5, feeding slot; 6, working area of the frame; 7, seed box; 8, seed supply window; 9, air supply nozzle; 10, intake nozzle; 11, initiator disk; 12, control unit.

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3. Fig. 2. Size characteristics of barley seeds of the Vakula variety, harvested in 2022: 1, thickness; 2, width; 3, length.

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4. Fig. 3. Dependence of the probability of pinching ρзащ of the Vakula barley seeds on the radial size of the dosing slot S.

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