Multifunctional accurate-measurement seeding device structure

A kind of seed metering device and multi-functional technology, applied in the direction of seeder parts, etc., can solve the problems of lack of self-protection function, sudden change of seeding amount, difficulty in ensuring accuracy of seeding amount, etc., and achieve the effect of adapting to a wide range of seeds and seeding evenly
CN104137686AInactive Publication Date: 2014-11-12光明食品集团上海农场有限公司
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
光明食品集团上海农场有限公司
Publication Date
2014-11-12
Estimated Expiration
Not applicable · inactive patent

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Abstract

The invention discloses a multifunctional accurate-measurement seeding device structure which is even and accurate in seeding and free of seed damage. The multifunctional accurate-measurement seeding device structure comprises a seeding box, a seeding axle and a seed sowing axle, wherein the seeding axle and the seed sowing axle are arranged in the seeding box. A thick-tooth seeding wheel and a fine-tooth seeding wheel are arranged on the seeding axle, a plurality of stripe-shaped teeth are evenly arranged on the thick-tooth seeding wheel, a plurality of cylindrical teeth are evenly arranged on the fine-tooth seeding wheel, the fine-tooth seeding wheel is fixed to the seeding axle through a screw, installation holes are respectively formed in the thick-tooth seeding wheel and the fine-tooth seeding wheel, the thick-tooth seeding wheel and the fine-tooth seeding wheel are connected through connecting pins, a seeding tongue and an adjusting support are arranged on the seed sowing axle, the adjusting support is fixed to the seed sowing axle through a fixing screw, an adjusting screw is arranged at the lower end of the seeding tongue, the end of the adjusting screw abuts against the adjusting support, and a tension spring is arranged between the seeding tongue and the adjusting support.
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Description

technical field

[0001] The invention relates to a seeder, in particular to a structure of a multifunctional precision metering device. Background technique

[0002] The seeder is a common agricultural machine, and the seed meter is the core component of the seeder. At present, the outer grooved wheel seed meter is widely used in my country. The seed metering principle is to form a single row of seed layer with the rotation of the seed wheel. and the driving layer, on the one hand, there is a certain pulsation due to the single-row arrangement of the seeding teeth, and on the other hand, the amount of the driving layer is difficult to ensure accuracy, and the sowing amount of the driving layer will change suddenly with the bumping of the machine, and the seeding tongue It is easy to cause damage to the fixed setting, and does not have the function of self-protection, so it can only be applied to the extensive sowing with low requirements. Contents of the invention

[0003] ...

Claims

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