Cotton film precision seeder with stepless distance adjustment

Abstract

The invention provides a stepless distance-adjustable precision seeder on cotton film, which adopts a fixed-diameter disc-type seeding wheel, and sets a slidable and extendable seeding tube on the seeding wheel to realize stepless distance-adjustment of the plant distance; The sowing wheel includes a housing composed of an outer wheel, a fixed wheel and a side plate. The fixed wheel rotates with the central axis. The outer wheel is connected to the fixed wheel through the side plate and can rotate with the fixed wheel; The rim of the wheel includes the inner tube of the extension tube, the outer tube of the extension tube and the duckbill. The inner tube of the extension tube of the seeding tube is fixed on the rim of the outer wheel. It is located at the bottom end of the outer tube of the extension tube; a seed box is arranged inside the casing, a seed box opening is arranged above the seed box, and a seed drop pipe is arranged below. The invention has the advantages of simple structure, convenience and practicality, can realize stepless adjustment within a certain interval, realizes the accuracy of sowing experiments, and reduces labor consumption.

Description

technical field [0001] The invention relates to a seeder, in particular to a stepless distance-adjustable cotton film seeder, which belongs to the technical field of agricultural machinery engineering. Background technique [0002] At present, the distance between seeds and plants of various seeders can be adjusted by adjusting the sowing speed of the seeding disc to achieve the purpose of adjusting the distance between plants. This method can basically be achieved by sowing under the film, but the purpose of sowing on the film must be solved by drilling holes at the same time. It is necessary to solve the problem of the distance between the sowing feet. At present, the method used is that the piercing wheel turns 9 holes at a fixed turn, and the seeder is changed to 12 holes, but the installation and disassembly are quite troublesome, and the piercing head needs to be assembled, disassembled and adjusted, and it is difficult for personnel who have not undergone separate tra...

AI Technical Summary

Problems solved by technology

[0002] At present, the distance between seeds and plants of various seeders can be adjusted by adjusting the sowing speed of the seeding disc to achieve the purpose of adjusting the distance between plants. This method can basically be achieved by sowing under the film, but the purpose of sowing on the film must be solved by drilling holes at the same time. It is necessary to solve the problem of the distance between the sowing feet

At present, the method used is that the piercing wheel turns 9 holes at a fixed turn, and the seeder is changed to 12 holes, but the installation and disassembly are quite troublesome, and the piercing head needs to be assembled, disassembled and adjusted, and it is difficult for personnel who have not undergone separate training to accurately implement debugging. work, especially for the rapid adjustment of seeding density that agricultural experimenters cannot achieve

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