CN106856742B - Small seed precision sowing and mixed sowing multifunctional composite sowing device and method - Google Patents

Small seed precision sowing and mixed sowing multifunctional composite sowing device and method Download PDF

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Publication number
CN106856742B
CN106856742B CN201710098467.8A CN201710098467A CN106856742B CN 106856742 B CN106856742 B CN 106856742B CN 201710098467 A CN201710098467 A CN 201710098467A CN 106856742 B CN106856742 B CN 106856742B
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wheel
sowing
driving
seeding
drive
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CN106856742A (en
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万其号
布库
万永清
焦巍
张晓庆
高凤琴
万东莉
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Grassland Research Institute of Chinese Academy of Agricultural Sciences
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Grassland Research Institute of Chinese Academy of Agricultural Sciences
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    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01C—PLANTING; SOWING; FERTILISING
    • A01C7/00—Sowing
    • A01C7/04—Single-grain seeders with or without suction devices
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01C—PLANTING; SOWING; FERTILISING
    • A01C19/00—Arrangements for driving working parts of fertilisers or seeders
    • A01C19/04—Arrangements for driving working parts of fertilisers or seeders by a ground-engaging wheel
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01C—PLANTING; SOWING; FERTILISING
    • A01C7/00—Sowing
    • A01C7/06—Seeders combined with fertilising apparatus
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01C—PLANTING; SOWING; FERTILISING
    • A01C7/00—Sowing
    • A01C7/08—Broadcast seeders; Seeders depositing seeds in rows
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01C—PLANTING; SOWING; FERTILISING
    • A01C7/00—Sowing
    • A01C7/20—Parts of seeders for conducting and depositing seed
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01C—PLANTING; SOWING; FERTILISING
    • A01C7/00—Sowing
    • A01C7/20—Parts of seeders for conducting and depositing seed
    • A01C7/201—Mounting of the seeding tools
    • A01C7/203—Mounting of the seeding tools comprising depth regulation means
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
    • Y02P60/20—Reduction of greenhouse gas [GHG] emissions in agriculture, e.g. CO2

Abstract

The invention discloses a small-grain seed precision seeding and mixed seeding multifunctional composite seeding device and a method. The seeder adopts the hole-type seeding wheel to realize hole-type precision seeding of seeds, adopts the grooved wheel seeder device to realize continuous precision drilling of seeds, and can realize precision seeding of single-type seeds when only one seed metering device is used for working, and two seed metering devices work simultaneously to realize mixed seeding of two seeds. The power source of the seeder comes from a small-sized gasoline engine, and the walking and seeding of the composite seeder are realized through a speed reducer, a belt, a chain and other variable speed transmission systems; the sowing depth can be realized by adjusting the sowing depth handle, and the machine is suitable for sowing on flat and ploughed land due to small power of the gasoline engine.

Description

Small seed precision sowing and mixed sowing multifunctional composite sowing device and method
Technical Field
The invention relates to the technical field of agricultural machinery, in particular to a small seed precision seeding and mixed seeding multifunctional composite seeding device and method.
Background
The seeder is the planting machinery taking crop seeds as seeding objects, and along with the development of technology, various advanced functional seeders are designed for meeting the use requirements of users, and the application provides a design scheme of a precision seeding and mixed seeding multifunctional small-sized composite seeder.
Disclosure of Invention
The invention aims to provide a small seed precision seeding and mixed seeding multifunctional composite seeding device and method so as to meet the use requirements of users.
In order to achieve the aim of the invention, the invention provides a small-grain seed precision sowing and mixed sowing multifunctional composite sowing device, which comprises a perforated sowing wheel device 5 and a grooved wheel sowing device 7, wherein the power transmitted by a rear wheel driving belt wheel 12 is transmitted to a second belt wheel 18 through a traveling rear wheel 15, the second belt wheel 18 is transmitted to a driving belt wheel 24 through a belt, the motion of the driving belt wheel 24 drives a coaxial traveling front wheel 8 and a driving chain wheel 23 to work, and the driving chain wheel 23 drives the grooved wheel driving chain wheel 21 to work through a transmission chain, so that the grooved wheel sowing device 7 is driven to sow, and the drill sowing of seeds is realized; the motion of the driving belt wheel 24 also drives the chain wheel 9 positioned at the other side of the walking front wheel 8 to move, the chain wheel 9 drives the sowing wheel driving chain wheel 11 to move through a transmission chain, the sowing wheel driving chain wheel 11 moves to drive the driving square shaft 30 to move, the driving small chain wheel 29 on the driving square shaft 30 drives the small chain wheel 28 to move through the transmission chain, and the upper end of the small chain wheel 28 is connected with the chain wheel connected with the sowing wheel 31 with holes to move, so that the sowing disc is driven to move, and seeds in the seed box are finely sowed into soil.
Preferably, the sowing depth adjusting device 4 is further provided with a handle 36, the screw 34 drives the rotating frame 33 to rotate around the o-point through a screw device, and as the shaft on the rotating frame is embedded into the strip-shaped groove of the floating plate 35, the floating plate 35 is driven to move up and down when the rotating shaft rotates, the furrow opener 6 and the sowing machine fixedly connected to the rotating frame move along with the rotating shaft, so that the sowing depth is adjusted.
Preferably, the front wheel driving clutch handle 17 also plays a role in seeding clutch in the working process, when the front wheel driving clutch handle 17 is shifted backwards, the tensioning wheel 19 is in a separation state, the belt pulley cannot drive the walking front wheel 8 and the driving belt pulley 24 to work, the machine cannot realize seeding, when the front wheel driving clutch handle 17 is shifted forwards, the tensioning wheel 19 plays a role, the belt pulley drives the walking front wheel 8 and the driving belt pulley 24 to work, the seeding of the grooved wheel seeding device is realized, the second tensioning chain wheel 22 is the tensioning wheel for driving the grooved wheel seeding device to work, and the seeding quantity can be adjusted by rotating the seeding quantity adjusting handle 27.
Preferably, the row spacing and the plant spacing are adjusted by replacing the spacing between the sowing sprockets with different tooth numbers and the sowing device, and different transmission ratios of the sowing device can be realized by replacing the sprocket 9, the sowing wheel driving sprocket 11, the sheave driving sprocket 21 and the driving sprocket 23, so that the sowing plant spacing is adjusted, and the row spacing can be adjusted by disassembling the sowing box and the like.
Preferably, different seeds can be precision sown by replacing the perforated sowing wheel device 5 with grooves of different diameters.
Preferably, the gasoline engine 3 drives the belt pulley 14 to rotate after being decelerated by the speed reducer in the working process, and drives the rear wheel driving belt pulley 12 to rotate by the belt, so as to drive the walking rear wheel 15 to work and drive the whole machine to move forward.
Preferably, the tensioning pulley 13 acts as a tensioning clutch, when the control handle moves backwards, the tensioning pulley 13 will tension the drive belt, thereby driving the travelling drive wheel forward, and when the control handle moves forwards, the tensioning pulley 13 will disengage the belt, the machine being in a stopped state.
In addition, a sowing method using the sowing device is also provided,
(1) The single grain precision seeding step comprises: the movement of the driving belt wheel 24 also drives the chain wheel 9 positioned at the other side of the walking front wheel 8 to move, the chain wheel 9 drives the sowing wheel driving chain wheel 11 to move through a driving belt, the sowing wheel driving chain wheel 11 moves to drive the driving square shaft 30 to move, the driving small chain wheel 29 on the driving square shaft 30 drives the small chain wheel 28 to move through the driving belt, the upper end of the small chain wheel 28 is connected with the chain wheel 38 on the sowing wheel shaft to rotate, the sowing wheel shaft is fixedly connected with the sowing wheel 31 with holes, so that the sowing wheel 31 with holes rotates, the sowed seeds 39 can smoothly fall into the grooves on the sowing wheel with holes and rotate along with the sowing wheel with holes, an elastic pressing piece 37 is arranged at one rotating side of the sowing wheel with holes, so that the seeds in the grooves can not be pressed out, and when the seeds in the sowing wheel with holes rotate to the position without the elastic pressing piece, the seeds fall down along with the continuous rotation of the sowing wheel, thus realizing single-grain precision sowing of the seeds;
(2) The step of drill-broadcasting comprises the following steps: the rear wheel driving pulley 12 transmits power to the second pulley 18 through the walking rear wheel 15, the second pulley 18 transmits power to the driving pulley 24 through belt transmission, the motion of the driving pulley 24 drives the walking front wheel 8 and the driving chain wheel 23 on the same shaft to work, the driving chain wheel 23 drives the grooved wheel driving chain wheel 21 to work through a transmission chain, the grooved wheel driving chain wheel 21 rotates to drive the hexagonal shaft 43 to rotate, the hexagonal shaft 43 rotates to drive the grooved wheel 42 matched with the grooved wheel driving chain wheel 21 to rotate, and the grooved wheel 42 drives seeds or fertilizer in the seed box 40 to be sowed into ditched soil through the seed conveying pipe 26, so that seed or fertilizer drill sowing is realized;
(3) The step of mixed sowing comprises the following steps: the perforated sowing wheel device 5 and the grooved wheel sowing device 7 work simultaneously, and different seeds are added, so that mixed sowing can be realized.
Compared with the prior art, the multifunctional composite sowing device has the beneficial effects that the multifunctional composite sowing device is mainly designed for sowing small-sized seeds such as alfalfa and vegetables, and the small-sized seeds can realize hole-type precise seed sowing, continuous seed sowing, mixed sowing of two different seeds and mixed sowing of seeds and fertilizer. The seeder adopts the hole-type seeding wheel to realize hole-type precision seeding of seeds, adopts the grooved wheel seeder device to realize continuous precision drilling of seeds, and can realize precision seeding of single-type seeds when only one seed metering device is used for working, and two seed metering devices work simultaneously to realize mixed seeding of two seeds. The power source of the seeder comes from a small-sized gasoline engine, and the walking and seeding of the composite seeder are realized through a speed reducer, a belt, a chain and other variable speed transmission systems; the sowing depth can be realized by adjusting the sowing depth handle, and the machine is suitable for sowing on flat and ploughed land due to small power of the gasoline engine.
Drawings
FIG. 1 is a schematic diagram of the front view of the device of the present application;
FIG. 2 is a schematic rear view of the device of the present application;
FIG. 3 is a schematic view showing the construction of a sheave seeding apparatus of the present application;
FIG. 4 is a schematic view showing the structure of the perforated sowing wheel driving apparatus;
FIG. 5 is a schematic view showing the structure of the perforated sowing wheel apparatus;
FIG. 6 is a schematic view showing a partial structure of a depth adjusting apparatus;
FIG. 7 is a schematic view showing a partial structure of the perforated sowing wheel apparatus;
FIG. 8 is a schematic view showing a partial structure of a sheave sowing device;
in the figure, 1, handrail, 2, rear wheel drive clutch handle, 3, gasoline engine, 4, sowing depth adjusting device, 5, perforated sowing wheel device, 6, furrow opener, 7, grooved wheel sowing device, 8, walking front wheel, 9, sprocket, 10, tensioning sprocket, 11, sowing wheel drive sprocket, 12, rear wheel drive sprocket, 13, tensioning pulley, 14, pulley, 15 walking rear wheel, 16, sowing ground, 17, front wheel drive clutch handle, 18, second pulley, 19, tensioning pulley, 20, fixed pulley, 21, grooved wheel drive sprocket, 22, second tensioning sprocket, 23, drive sprocket, 24 drive sprocket, 25, grooved wheel sowing device, 26, seed conveying pipe, 27 sowing amount adjusting handle, 28, small sprocket, 29 drive small sprocket, 30, drive square shaft, 31, perforated sowing wheel, 32, seed leakage box, 33, rotating frame, 34, screw, 35, floating plate, 36, handle, 37 elastic pressing piece, sprocket on 38 sowing wheel shaft, 39 seeds, 40, seed box, 41 or fertilizer, 42, six square shafts.
Detailed Description
The invention is described in further detail below with reference to the drawings and the specific examples. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
It should be noted that the terms "coupled" and "connected," as used herein, include both directly coupled to and connected to another element or the like.
It should be noted that, in the case of no conflict, the embodiments and features in the embodiments may be combined with each other.
The small seed precision seeding and mixed seeding multifunctional composite seeding device takes a self-contained gasoline engine as a power device, as shown in fig. 1, after the gasoline engine 3 is decelerated by a speed reducer in the working process, the gasoline engine drives a belt pulley 14 to rotate, and the belt drives a rear wheel driving belt pulley 12 to rotate, so that a walking rear wheel 15 is driven to work, and the whole machine is driven to move forward. The tensioning belt wheel 13 plays a role of tensioning and clutching, when the control handle moves backwards, the tensioning belt wheel 13 will tension the driving belt, so that the walking driving wheel is driven to advance, and when the control handle moves forwards, the tensioning belt wheel 13 will disengage from the belt, and the machine is in a stop state.
As shown in fig. 2, 3, 7 and 8, the power transmitted by the rear wheel driving pulley 12 is transmitted to the second pulley 18 through the traveling rear wheel 15, the second pulley 18 is transmitted to the driving pulley 24 through a belt, the motion of the driving pulley 24 drives the coaxial traveling front wheel 8 and the driving chain wheel 23 to work, and the driving chain wheel 23 drives the grooved wheel driving chain wheel 21 to work through a transmission chain, so that the grooved wheel seeder 7 is driven to sow seeds, and the drill sowing of seeds is realized; the front wheel drive clutch handle 17 also plays a role in seeding clutch in the working process, when the front wheel drive clutch handle 17 is shifted backwards, the tensioning wheel 19 is in a separation state, the belt pulley can not drive the walking front wheel 8 and the driving belt pulley 24 to work, the machine can not realize seeding, when the front wheel drive clutch handle 17 is shifted forwards, the tensioning wheel 19 plays a role, the belt pulley can drive the walking front wheel 8 and the driving belt pulley 24 to work, the seeding of a grooved pulley seed sowing device is realized, the second tensioning chain wheel 22 is the tensioning wheel for driving the grooved pulley seed sowing device to work, and the seeding amount can be adjusted by rotating the seeding amount adjusting handle 27.
As shown in fig. 4 and 5, the movement of the driving belt wheel 24 also drives the chain wheel 9 positioned at the other side of the walking front wheel 8 to move, the chain wheel 9 drives the sowing wheel driving chain wheel 11 to move through a transmission belt, the sowing wheel driving chain wheel 11 moves to drive the driving square shaft 30 to move, the driving small chain wheel 29 on the driving square shaft 30 drives the small chain wheel 28 to move through the transmission chain, the upper end of the small chain wheel 28 is connected with the chain wheel connected with the sowing wheel 31 with holes to move, thereby driving the sowing disc to move, finely sowing seeds in the seed box into soil, and the chain wheel 10 is a tensioning chain wheel.
As shown in fig. 6, in the sowing depth adjusting device 4, a handle 36 is arranged on the sowing depth adjusting device 4, the screw 34 drives the rotating frame 33 to rotate around the o-point through a screw device, and since the shaft on the rotating frame is embedded into the strip-shaped groove of the floating plate 35, when the rotating shaft rotates, the floating plate 35 is driven to move up and down, and the furrow opener 6 and the sowing device fixedly connected with the floating plate move along with the rotating shaft, so that the sowing depth is adjusted.
In this application, through the interval between the seeding sprocket and the disseminator of changing different tooth numbers, realize row spacing and plant spacing's adjustment, through change sprocket 9, seeding wheel drive sprocket 11, sheave drive sprocket 21, drive sprocket 23, can realize seeder's different transmission ratio to adjust the plant spacing of seeding, the row spacing accessible of seeding is with the mode realization row spacing's adjustment such as seeding box dismantlement.
By replacing the perforated sowing wheel device 5 with grooves of different diameters, different seeds can be finely sown.
The main functional structural characteristics of the application are as follows:
1. can realize hole precision drill seeding of seeds, continuous drill seeding of seeds, mixed seeding of two different seeds and mixed seeding of seeds and fertilizer;
2. the power device is from a small gasoline engine, has a small structure, and can be used for sowing in small-sized land and ploughed soil which cannot work by a large machine;
3. the sowing depth is adjusted by a sowing depth adjusting handle device of the sowing machine, so that the sowing machine is suitable for sowing small seeds with different depths;
4. the row spacing and the plant spacing are adjusted by changing the spacing between the seeding chain wheels with different tooth numbers and the seeder;
5. by replacing the sowing wheels with the grooves with different diameters, different seeds can be precisely sown.
The application also provides a sowing method by using the sowing device,
(1) The single grain precision seeding step comprises: the movement of the driving belt wheel 24 drives the chain wheel 9 positioned at the other side of the walking front wheel 8 to move, the chain wheel 9 drives the sowing wheel driving chain wheel 11 to move through a driving belt, the sowing wheel driving chain wheel 11 moves to drive the driving square shaft 30 to move, the driving small chain wheel 29 on the driving square shaft 30 drives the small chain wheel 28 to move through a driving belt, the upper end of the small chain wheel 28 is connected with the chain wheel 38 on the sowing wheel shaft to rotate, the sowing wheel shaft is fixedly connected with the sowing wheel 31 with holes, so that the sowing wheel 31 with holes rotates, the sowed seeds 39 can smoothly fall into the grooves on the sowing wheel with holes and rotate along with the sowing wheel with holes, an elastic pressing piece 37 is arranged at one side of the rotation of the sowing wheel with holes, so that the seeds in the grooves can not be pressed out, and when the seeds in the sowing wheel with holes rotate to the position without the elastic pressing piece, the seeds fall down along with the continuous rotation of the sowing wheel, so that single-grain precision sowing of the seeds is realized;
(2) The step of drill-broadcasting comprises the following steps: the rear wheel driving pulley 12 transmits power to the second pulley 18 through the walking rear wheel 15, the second pulley 18 transmits power to the driving pulley 24 through belt transmission, the driving pulley 24 moves to drive the walking front wheel 8 and the driving chain wheel 23 on the same shaft to work, the driving chain wheel 23 drives the grooved wheel driving chain wheel 21 to work through a transmission chain, the grooved wheel driving chain wheel 21 rotates to drive the hexagonal shaft 43 to rotate, the hexagonal shaft 43 rotates to drive the grooved wheel 42 matched with the grooved wheel driving chain wheel 21 to rotate, the grooved wheel 42 drives seeds or fertilizer in the seed box 40 to be sowed into ditched soil through the seed conveying pipe 26, seed or fertilizer drill is realized, the distance between the grooved wheel and a seed leakage opening is regulated through the sowing quantity regulating handle 27 to control the sowing quantity of the seeds or fertilizer, and therefore seed drill is realized;
if one of the two sowing modes is needed to be realized, the other sowing device can be blocked, or seeds are not added, or the other sowing transmission mode is removed, and only the sowing device needing the sowing mode works so as to realize a single sowing mode;
(3) The step of mixed sowing comprises the following steps: the mixed seeding mainly refers to the simultaneous seeding of two different small seeds, the mixed seeding of the device is realized by the simultaneous operation of a perforated seeding wheel and a grooved wheel seeder, the front wheel is driven by a front wheel driving clutch handle 17 to rotate so as to drive a driving chain wheel 23 and a driving belt wheel 24 to rotate, thereby driving the perforated seeding wheel and the grooved wheel seeder to simultaneously operate so as to realize the mixed seeding of different seeds.
The foregoing is merely a preferred embodiment of the present invention and it should be noted that modifications and adaptations to those skilled in the art may be made without departing from the principles of the present invention, which are intended to be comprehended within the scope of the present invention.

Claims (5)

1. The utility model provides a multi-functional compound seeder of small seed precision seeding, mixed sowing, its characterized in that includes foraminiferous seeding wheel device (5) and sheave disseminator device (7), rear wheel drive pulley (12) transmission power passes through walking rear wheel (15) and passes to second belt pulley (18), second belt pulley (18) pass through belt transmission, pass power to drive pulley (24), the motion of drive pulley (24) will drive coaxial walking front wheel (8) and drive sprocket (23) work, drive sprocket (23) drive sheave drive sprocket (21) work through the drive chain, thereby drive sheave disseminator device (7) seeding, realize the drill seeding of seed; the motion of the driving belt wheel (24) also drives a chain wheel (9) positioned at the other side of the walking front wheel (8) to move, the chain wheel (9) drives a sowing wheel driving chain wheel (11) to move through a transmission chain, the sowing wheel driving chain wheel (11) moves to drive a driving square shaft (30) to move, a driving small chain wheel (29) on the driving square shaft (30) drives a small chain wheel (28) to move through the transmission chain, and the upper end of the small chain wheel (28) drives a chain wheel connected with a perforated sowing wheel (31) to move, so that a sowing disc is driven to move, and seeds in a seed box are finely sowed into soil;
the sowing depth adjusting device (4) is further provided with a handle (36), the screw (34) drives the rotating frame (33) to rotate around the o point through the screw device, and as the shaft on the rotating frame (33) is embedded into the strip-shaped groove of the floating plate (35), the floating plate (35) is driven to move up and down when the rotating shaft rotates, the furrow opener (6) and the sowing device fixedly connected to the rotating frame move along with the rotating shaft, so that the sowing depth is adjusted;
the front wheel drive clutch handle (17) also plays a role in sowing and clutching in the working process, when the front wheel drive clutch handle (17) is poked backwards, the tensioning wheel (19) is in a disengaging state, the belt pulley can not drive the walking front wheel (8) and the driving belt pulley (24) to work, the machine can not realize sowing, when the front wheel drive clutch handle (17) is poked forwards, the tensioning wheel (19) plays a role, the belt pulley can drive the walking front wheel (8) and the driving belt pulley (24) to work, the sowing of a grooved wheel sowing device is realized, the second tensioning chain wheel (22) plays a tensioning role when the grooved wheel sowing device is driven to work, and the sowing quantity can be adjusted by rotating the sowing quantity adjusting handle (27);
the tensioning belt wheel (13) plays a role in tensioning and clutching, when the front wheel driving clutch handle is controlled to move backwards, the tensioning belt wheel (13) is used for tensioning the driving belt so as to drive the walking driving wheel to move forwards, and when the front wheel driving clutch handle is controlled to move forwards, the tensioning belt wheel (13) is used for disengaging the belt, and the machine is in a stop state.
2. The small-sized seed precision sowing and mixed sowing multifunctional composite sowing device according to claim 1, wherein the row spacing and the plant spacing are adjusted by changing the spacing between sowing sprockets with different tooth numbers and a sowing machine, different transmission ratios of the sowing device can be realized by changing the sprocket (9), the sowing wheel driving sprocket (11), the sheave driving sprocket (21) and the driving sprocket (23), so that the plant spacing of sowing can be adjusted, and the row spacing of sowing can be adjusted by disassembling a sowing box.
3. The small-sized seed precision seeding and mixed seeding multifunctional composite seeding device according to claim 2, wherein different seeds can be precision-sown by replacing the perforated seeding wheel device (5) with grooves with different diameters.
4. A multi-functional composite seeding device for fine seeding and mixed seeding of small seeds according to claim 3, wherein the petrol engine (3) drives the belt pulley (14) to rotate after being decelerated by the speed reducer in the working process, and drives the rear wheel driving belt pulley (12) to rotate by the belt, thereby driving the walking rear wheel (15) to work and driving the whole machine to move forward.
5. A sowing method using the sowing device as claimed in claim 1, characterized in that,
(1) The single grain precision seeding step comprises: the motion of the driving belt wheel (24) also drives a chain wheel (9) positioned at the other side of the walking front wheel (8) to move, the chain wheel (9) drives a sowing wheel driving chain wheel (11) to move through a transmission chain, the sowing wheel driving chain wheel (11) moves to drive a driving square shaft (30) to move, a driving small chain wheel (29) on the driving square shaft (30) drives a small chain wheel (28) to move through the transmission chain, the moving chain drives a chain wheel (38) on a sowing wheel shaft to rotate, the sowing wheel shaft is fixedly connected with a sowing wheel (31) with holes, so that the sowing wheel (31) with holes rotates, seeds (39) can smoothly fall into the grooves on the sowing wheel with holes and rotate together with the sowing wheel (31) with holes, an elastic pressing piece (37) is arranged on one side of the sowing wheel with holes, the seeds in the grooves can be pressed and cannot be thrown out, and when the seeds in the sowing wheel with holes rotate to the position without the elastic pressing piece, the seeds fall, and single sowing is realized with the continuous rotation of the sowing wheel with the seeds;
(2) The step of drill-broadcasting comprises the following steps: the rear wheel driving belt wheel (12) transmits driving power to the second belt wheel (18) through the walking rear wheel (15), the second belt wheel (18) transmits the power to the driving belt wheel (24) through belt transmission, the motion of the driving belt wheel (24) drives the walking front wheel (8) and the driving chain wheel (23) on the same shaft to work, the driving chain wheel (23) drives the grooved wheel driving chain wheel (21) to work through a driving chain, the grooved wheel driving chain wheel (21) rotates to drive the hexagonal shaft (43) to rotate, the hexagonal shaft (43) rotates to drive the grooved wheel (42) matched with the hexagonal shaft to rotate, and the grooved wheel (42) drives seeds or fertilizers in the seed box (40) to be sowed into ditched soil through the seed conveying pipe (26), so that seed or fertilizer strip sowing is realized;
(3) The step of mixed sowing comprises the following steps: the perforated sowing wheel device (5) and the grooved wheel sowing device (7) work simultaneously, and different seeds are added, so that mixed sowing can be realized.
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CN107182389A (en) * 2017-07-23 2017-09-22 厦门丸美播农业科技有限公司 Intelligent seeder
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