Suction seed metering apparatus for wheat

A kind of seed metering device and air suction technology, applied in the direction of seeder parts, etc., can solve the problems of affecting the service life of seed metering device, high maintenance cost of seed metering device, affecting the uniformity of seed metering, etc., to achieve excellent seed metering effect, Improve seeding efficiency and uniform air pressure

Inactive Publication Date: 2018-12-07
HEBEI AGRICULTURAL UNIV.
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The structure of the two-layer round tube is to form a negative pressure state between the inner and outer round tubes by setting vent holes on the inner tube, which will inevitably cause uneven air pressure everywhere and affect the uniformity of seeding.
Moreover, this structure is also relatively complicated, which also brings inconvenience to installation and maintenance.
At the same time, the inner pipe will inevitably bend after working for a long time, which will make the maintenance cost of the seed meter too high, affect the service life of the seed meter, and increase the cost of use

Method used

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  • Suction seed metering apparatus for wheat
  • Suction seed metering apparatus for wheat
  • Suction seed metering apparatus for wheat

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Embodiment Construction

[0038] It should be noted that, in the case of no conflict, the embodiments of the present invention and the features in the embodiments can be combined with each other.

[0039] The present invention will be described in detail below with reference to the accompanying drawings and examples.

[0040] Present embodiment relates to a kind of wheat air suction seeding device, and its rotation is located on the frame of planter, to form continuous single grain seed, as figure 1 and figure 2 Shown, this wheat air suction seed metering device comprises the rotating shaft 1 that is made up of two half shafts 11, and the air suction unit 2 that is arranged between two half shafts 11, also includes the scraper 3 that is fixed on the frame.

[0041] The outer ends of the two half shafts 11 are all rotatably arranged on the frame, which can rotate under the drive of the external power device, and drive the air suction unit 2 arranged between them to rotate. In this embodiment, the str...

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Abstract

The invention provides a suction seed metering apparatus for wheat. The apparatus is rotatably arranged on a frame to form continuous single seed grains. The suction seed metering apparatus for wheatcomprises a rotating shaft formed by two half shafts, and one outer end of every half shaft is rotatably arranged on the frame, and drives the whole seed metering apparatus to rotate under the actionof an external power device. The suction seed metering apparatus for wheat also comprises suction units fixedly connected between the inner ends of the two half shafts, the suction unit comprises twosuckers which are buckled to form a suction chamber, and the suction chambers are connected with an external negative pressure device through negative pressure chambers arranged on at least one of thehalf shafts. The outer circumference of every suction unit is provided with a suction groove for accommodating seeds, and the suction grooves are communicated with the suction chambers through gaps between the suckers. The pressure at every position of every suction groove of the suction seed metering apparatus for wheat is uniform, so seed metering is uniform, and the apparatus has a good use effect.

Description

technical field [0001] The invention relates to the technical field of sowing equipment, in particular to an air-suction seed-discharging device for wheat. Background technique [0002] Most of the seeding devices of traditional seeders are external grooved wheel structures, which are simple in structure and low in cost. However, due to the pulsation of seeding, it has an adverse effect on the uniformity and stability of seeding, and affects the yield of crops. The air-suction seed metering device is a precision seeding device, and its sowing performance is far superior to that of a mechanical seed metering device. It has the advantages of saving seeds, not hurting seeds, strong versatility, and high sowing uniformity. [0003] The main body of the existing seed metering device is a two-layer nested circular tube, wherein the inner tube communicates with the negative pressure device and serves as the main shaft erected on the seeding frame. A ventilation hole is arranged on...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01C7/20
CPCA01C7/20
Inventor 赵晓顺徐鹏云于华丽张晋国
Owner HEBEI AGRICULTURAL UNIV.
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