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CN-119096758-B - Accurate water supply sowing method and device for crops

CN119096758BCN 119096758 BCN119096758 BCN 119096758BCN-119096758-B

Abstract

The invention relates to the technical field of sowing equipment, in particular to a precise water supply sowing method and a precise water supply sowing device for crops. The method comprises the following working steps of S1, fixing a frame on a carrier, adjusting the interval between each cloth pipe fitting according to sowing parameters, S2, respectively placing seeds and each piece of seeds into a storage tank and a water storage barrel of the frame, S3, driving the frame to integrally move by the carrier, conveying corresponding water flows to the cloth pipe fitting by a quantitative assembly in sowing, forming water flow spraying during sowing, enabling the water to be distributed in the surrounding areas of the seeds to realize wetting of the surrounding areas of the seeds, conveying a proper amount of water into the cloth pipe fitting by the quantitative assembly in sowing, spraying the water and the seeds together by the cloth pipe fitting, realizing wetting of the surrounding areas of the seeds, ensuring smooth growth, improving water resource utilization and reducing planting cost.

Inventors

  • ZHANG YUCUI
  • SHEN YANJUN
  • CHENG GONG
  • LIU FAN
  • QI YONGQING

Assignees

  • 中国科学院遗传与发育生物学研究所农业资源研究中心

Dates

Publication Date
20260512
Application Date
20240910

Claims (6)

  1. 1. The accurate water supply seeding device for crops is characterized by comprising a frame (1) and a quantitative assembly (2), and comprises the following working steps: S1, fixing a frame (1) on a carrier, and adjusting the interval between each cloth pipe fitting (3) according to sowing parameters; s2, respectively placing seeds and water into a storage tank and a water storage barrel of the rack (1); S3, the carrier drives the frame (1) to integrally move, corresponding water flows are conveyed to the distributing pipe fitting (3) by the quantitative assembly (2) in sowing, and water flows are formed to be sprayed out during sowing, so that the water is distributed in the peripheral area of the seeds; The quantitative liquid distributor comprises a rack (1), wherein two support rails (101) are symmetrically arranged in the middle of the rack (1), a plurality of supports (102) are arranged on the support rails (101), the supports (102) can move along the length direction of the support rails (101), a quantitative component (2) is arranged above the supports (102), one side of each support (102) is connected with a material distribution pipe fitting (3) in a rotating shaft manner, and the quantitative component (2) conveys quantitative liquid into the material distribution pipe fitting (3) and is discharged from an outlet of the material distribution pipe fitting (3) so that the liquid is distributed in the peripheral area of seeds; the cloth pipe fitting (3) comprises a pipe barrel (4) and a water storage pipe (5), wherein displacement channels (401) are symmetrically arranged in the pipe barrel (4), a supply channel (402) is symmetrically arranged on one side of each displacement channel (401), a pressing piece (6) is arranged above each displacement channel (401), the water storage pipe (5) is in sliding connection with an outlet of each displacement channel (401), and two supporting springs (501) which are in contact with the pipe barrel (4) are symmetrically arranged at the bottom end of each water storage pipe (5); The quantitative assembly (2) is arranged in pairs, the quantitative assembly (2) comprises a box body (7) and a first rotating disc (8), a liquid inlet pipe (701) is arranged on one side of the box body (7), a bottom sealing ring (702) is arranged below the box body (7), a sealing ring (703) is arranged in the middle of the box body (7), the first rotating disc (8) is connected with the box body (7) through a rotating shaft, and a plurality of storage cylinders (9) with adjustable volumes are arranged on the first rotating disc (8); The bottom symmetry of a stock section of thick bamboo (9) is equipped with guide post (901), the cover is equipped with positioning spring (902) on guide post (901), be equipped with sliding connection's extension piece (903) on guide post (901), the upper surface and the positioning spring (902) of extension piece (903) are connected, through extension piece (903) get into inside a stock section of thick bamboo (9), realize the change of storage volume.
  2. 2. The precise water supply sowing device for crops according to claim 1, wherein a first volume cavity (403) is arranged at the outlet of the pipe barrel (4), the first volume cavity (403) is provided with a liquid supply channel (404) which is penetrated upwards, and a spray ring (405) is arranged in the first volume cavity (403).
  3. 3. The precise water supply seeding device for crops according to claim 2, wherein a plurality of water outlets (406) are uniformly formed in the spray ring (405), double-layer spaces are formed in the spray ring (405), and each layer of spaces are communicated with a corresponding number of water outlets (406).
  4. 4. The precise water supply sowing device for crops according to claim 1, wherein a second volume cavity (407) is arranged at the outlet of the pipe barrel (4), an air suction port of the second volume cavity (407) is positioned at the bottom surface of the displacement channel (401), and the second volume cavity (407) is provided with an air suction pipe (408) communicated with the outside.
  5. 5. The precise water supply sowing device for crops, as set forth in claim 1, is characterized in that the pressurizing piece (6) comprises a pushing piece (601) and a blocking cover (602), the pushing piece (601) is fixed above the displacement channel (401), the blocking cover (602) is mounted on a push rod of the pushing piece (601), an air inlet hole (603) is formed in the blocking cover (602), and the blocking cover (602) is in a step shape.
  6. 6. The precise water supply seeding device for crops according to claim 1, wherein a lifting part (704) is arranged below the middle part of the box body (7), the lifting part (704) comprises a hydraulic cylinder (705) and a push ring (706), the bottom of the hydraulic cylinder (705) is fixed on the box body (7), the hydraulic cylinder (705) is fixedly connected with the push ring (706), and the edge of the push ring (706) is in contact with the extending part (903).

Description

Accurate water supply sowing method and device for crops Technical Field The invention relates to the technical field of sowing equipment, in particular to a precise water supply sowing method and a precise water supply sowing device for crops. Background The drought and water shortage influence the sowing, seedling emergence and yield of crops, are important factors for limiting the sustainable development of agriculture, at present, the annual precipitation of 47% of regions in China is less than 400mm, the annual drought-affected farmland area accounts for 25% -30% of the whole cultivated area, corn is one of main grain crops, the adaptability is strong, the distribution is wide, the application is multiple, the yield-increasing potential is large, the sowing area and the total yield in the world are only inferior to rice and wheat, the key effect is played on grain safety, the sowing time and the seedling emergence rate of the corn determine the growth condition and yield of the corn to a great extent, the seedling emergence speed and the seedling emergence rate of the corn are related to the soil moisture and the temperature, and particularly in northern regions, the corn can be ensured to be emergence through a certain irrigation. After corn sowing, the corn can be germinated by expanding by absorbing 48% -50% of the absolute dry mass of the corn, if the soil moisture content is poor, even if the corn is germinated by expanding, serious seedling shortage is caused by weak seedling emergence force of soil, if the soil is too much in moisture and bad in air permeability, seeds are easy to mould and rot, the seedling shortage is caused, the corn is serious at low temperature, and the root layer soil must be kept at 60% -70% of the field water holding capacity to ensure good seedling emergence rate. The traditional irrigation mode is mainly ground irrigation, so that the cost is high, the water utilization efficiency is low, the contradiction between water resource supply and demand is aggravated, and especially for water resource deficiency areas, the contradiction between agricultural water and grain production is particularly prominent, therefore, a sowing irrigation device and a sowing irrigation method capable of ensuring the smooth emergence of corns under the condition of relatively deficient water resources are needed. Disclosure of Invention The invention aims to solve the technical problems, and provides a precise water supply sowing method and a device thereof for crops, which aim at the technical defects, in the sowing process, a proper amount of water is conveyed into a distributing pipe fitting through a quantitative component, and the distribution pipe fitting sprays water and seeds together to realize wetting of the surrounding areas of the seeds, so that enough water is provided to ensure smooth growth of crops, the utilization efficiency of water resources is improved, and the planting cost is reduced. In order to solve the technical problems, the technical scheme adopted by the invention comprises the following working steps: s1, fixing a frame on a carrier, and adjusting the interval between each cloth pipe fitting according to sowing parameters; S2, respectively placing seeds and seeds into a storage tank and a water storage barrel of the rack; S3, the carrier drives the frame to integrally move, corresponding water flows are conveyed to the distributing pipe fitting by the quantitative assembly in sowing, and water flows are formed to be sprayed out during sowing, so that the water is distributed in the peripheral area of the seeds. A precision water supply seeding device for crops, comprising: The device comprises a frame, two support rails are symmetrically arranged in the middle of the frame, a plurality of supports are mounted on the support rails and can move along the length direction of the support rails, a quantitative assembly is arranged above the supports, a rotating shaft on one side of each support is connected with a material distribution pipe fitting, quantitative liquid is conveyed into the material distribution pipe fitting by the quantitative assembly and is discharged from an outlet of the material distribution pipe fitting, and the liquid is distributed in the surrounding area of seeds. Preferably, the cloth pipe fitting comprises a pipe barrel and a water storage pipe, wherein displacement channels are symmetrically arranged in the pipe barrel, a supply channel is symmetrically arranged on one side of each displacement channel, a pressing piece is arranged above each displacement channel, the water storage pipe is in sliding connection with an outlet of each displacement channel, and two supporting springs in contact with the pipe barrel are symmetrically arranged at the bottom end of each water storage pipe. Preferably, a first volume cavity is arranged at the outlet of the pipe barrel, the first volume cavity is provided with a liquid supply channel which is pe