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Design and test of rolling spoon type flaxes precision hole sower for caraway in northwest cold and arid agricultural region
SHI Lin-rong, ZHAO Wu-yun
PDF(2231 KB)
PDF(2231 KB)
Design and test of rolling spoon type flaxes precision hole sower for caraway in northwest cold and arid agricultural region
In view of the practical problems such as large seed consumption， large variation coefficient of hole number and lack of seed in hole holes， a roller scoop type precision hole sowing seeder with scoop tongue was designed in Gansu mulch planting environment. By analyzing the operation principle of the seed rower and seed rowing process， the main parameters such as the composition of the rolling spoon assembly and the size， installation number and installation angle of the scooping spoon were determined， and the effects of the main spoon depth， the installation angle of the scooping spoon and the angular speed of the seed rowing wheel on the seed rowing performance of the seed rower were analyzed by the response surface method. The test showed that when the depth of main scoop was 6.68 mm， the installation angle of scoop was 7.62° and the angular speed of seed releasing wheel was 3.22 rad/s， the qualified rate of hole number was 92.5%， the rate of missed seeding was 2.54%， the rate of reseeding was 4.96%， and the seed releasing performance was better. This study can provide a basis for the design of precision hole-sowing seeding device for flaxes.
agricultural mechanical engineering / flaxes / cavity seeders
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