CN113243169B - Cotton planter with pressing roller driving seed and fertilizer box transmission device and method - Google Patents

Cotton planter with pressing roller driving seed and fertilizer box transmission device and method Download PDF

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Publication number
CN113243169B
CN113243169B CN202110664033.6A CN202110664033A CN113243169B CN 113243169 B CN113243169 B CN 113243169B CN 202110664033 A CN202110664033 A CN 202110664033A CN 113243169 B CN113243169 B CN 113243169B
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roller
sowing
box
cotton
frame
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CN113243169A (en
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戴茂华
周娜
刘志芳
吴振良
刘丽英
张悦
郧祺
牛力强
骆冬洁
可艳军
李敬东
王建合
李月英
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Dry Land Farming Institute of Hebei Academy of Agricultural and Forestry Sciences
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Dry Land Farming Institute of Hebei Academy of Agricultural and Forestry Sciences
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    • 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
    • A01C19/00—Arrangements for driving working parts of fertilisers or seeders
    • 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
    • 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

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  • Life Sciences & Earth Sciences (AREA)
  • Soil Sciences (AREA)
  • Environmental Sciences (AREA)
  • Sowing (AREA)

Abstract

The invention provides a cotton planter with a pressing roller driving seed and fertilizer box transmission device, comprising: a frame; a sowing box supported on the frame and having a sowing mechanism; the soil covering and finishing press roller is rotatably supported at one end of the rack; the transmission device is arranged between the seeding box and the earthing pressing roller, and the earthing pressing roller rotates to drive the seeding mechanism to realize seeding.

Description

Cotton planter with pressing roller driving seed and fertilizer box transmission device and method
Technical Field
The invention relates to the technical field of agricultural machinery, in particular to a cotton seeder with a pressing roller driving seed and fertilizer box transmission device and a method.
Background
Cotton is a crop with high economic value, and is widely used in various clothes, furniture cloth and industrial crops. Cotton was an important strategic material in our country and has played a significant role in agricultural economic patterns. The cotton production in China is in the top of the world, is a large textile country and the largest cotton consumption country, and the cotton industry plays an important role in national economy. Cotton planter is the equipment with the cotton seeding in the soil, and present cotton planter function is comparatively single, and the seeding is discontinuous, and holistic work efficiency is lower, and the effect is not good in the whole farming.
Disclosure of Invention
The invention provides a cotton seeder with a pressing roller driving seed and fertilizer box transmission device, and provides a seed and fertilizer box gear transmission device driven by a pressing roller of a seeder.
The technical scheme provided by the invention is as follows:
a cotton planter having a pinch roller driven seed and fertilizer box transmission comprising:
a frame;
a sowing box supported on the frame and having a sowing mechanism;
the soil covering and pressing roller is rotatably supported at one end of the rack;
and the transmission device is arranged between the seeding box and the earthing pressing roller, and the earthing pressing roller rotates to drive the seeding mechanism to realize seeding.
Preferably, the sowing box includes:
a box body, the bottom of which is provided with a plurality of openings;
a plurality of roller-type seeding mechanisms which are rotatably supported at the bottom of the box body and are positioned at the opening position of the box body;
wherein the drum-type sowing mechanism is rotated to deliver cotton seeds to the opening of the box and flow out of the opening.
Preferably, the casing pressing roller includes:
the roller frame is arranged on one side of the rack;
a support shaft supported on the roller frame;
the roller body is rotatably sleeved on the supporting shaft;
and the plurality of convex teeth are distributed on the roller body in an array manner.
Preferably, the transmission means comprises:
a rotating shaft rotatably supported on the frame;
the first transmission gear is sleeved on the rotating shaft;
the second transmission gear is sleeved on the supporting shaft in an empty mode, is arranged at one end of the roller body and can rotate along with the roller body;
the third transmission gear is arranged at one end of the roller-type sowing mechanism;
the first transmission chain is meshed with the first transmission gear and the second transmission gear and can realize synchronous rotation of the rotating shaft and the roller body;
and the second transmission chain is meshed with the first transmission gear and the third transmission gear, and can realize synchronous rotation of the rotating shaft and the drum-type sowing mechanism.
Preferably, the roller-type sowing mechanism includes:
the outer roller is provided with a plurality of round holes on the surface, and a plurality of through holes distributed in an array are arranged on the outer edge;
a sowing gear rotatably disposed within the outer drum and having external teeth.
Preferably, the roller housing includes:
an adjustment bracket having a plurality of fixing holes;
the connecting frame is an L-shaped bracket, and one end of the connecting frame is provided with a fixing bolt matched with the fixing hole;
the supporting frame is connected with the adjusting frame.
A method of cotton seeding with a pinch roller driven seed and fertilizer box transmission using a cotton planter with a pinch roller driven seed and fertilizer box transmission comprising:
setting the number of through holes of the outer drum according to the diameter and planting interval of the outer drum;
the number of the through holes of the outer roller is set by the following formula:
Figure BDA0003116149920000031
wherein n is i The number of through holes, r i Is the diameter of the outer drum, D i Is the planting interval;
setting the driving angle of the sowing gear according to the number of the through holes;
the driving angle setting formula is as follows:
Figure BDA0003116149920000032
wherein, sigma is a driving angle, and alpha is a power-assisted angle; h is the external tooth height.
Preferably, the method further comprises:
calculating the conveying coefficient of the drum-type sowing mechanism, inputting the rotating speed of the driving mechanism and the drum-type sowing mechanism as input parameters into a fuzzy controller, and calculating to obtain the rotating speed of the soil covering and compacting roller;
and setting the advancing speed of the cotton seeder according to the rotating speed of the soil covering and pressing roller.
Preferably, the conveying coefficient of the roller-type sowing mechanism is as follows:
Figure BDA0003116149920000033
wherein, ω is i Is the conveying coefficient of the roller type seeding mechanism, L s For the length of the sowing mechanism, n s The number of teeth of the sowing gear is shown; p is the spacing coefficient, x max Is the maximum width of the seeding box, y max For maximum length of seed box, x e Width of opening of sowing box, y e Is the opening length of the seeding box.
Preferably, the fuzzy sets of the rotation speed of the driving mechanism and the conveying coefficient of the roller-type sowing mechanism are both: { NB, NM, NS, ZR, PS, PM, PB }, NB representing negative large, NM representing negative medium, NS representing negative small, ZR representing zero, PS representing positive small, PM representing positive medium, PB representing positive large, their domains of discourse are: { -6, -5, -4, -3, -2, -1,0,1,2,3,4,5,6}.
Advantageous effects
The invention provides a cotton planter with a transmission device for driving a seed and fertilizer box by a pressing roller, and provides a gear transmission device for driving the seed and fertilizer box by the pressing roller of the planter.
Drawings
FIG. 1 is a schematic structural view of a cotton planter with a seed and fertilizer box transmission driven by a leveling roller according to the present invention.
Fig. 2 is a schematic structural diagram of the rack according to the present invention.
Fig. 3 is a schematic structural view of the soil covering frame of the present invention.
Fig. 4 is a schematic structural view of the sowing box of the present invention.
Fig. 5 is a schematic structural view of the soil covering and compacting roller according to the present invention.
Fig. 6 is a schematic structural diagram of the transmission device according to the present invention.
Detailed Description
The present invention is described in terms of particular embodiments, other advantages and features of the invention will become apparent to those skilled in the art from the following disclosure, and it is to be understood that the described embodiments are merely exemplary of the invention and that it is not intended to limit the invention to the particular embodiments disclosed. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
It should be noted that in the description of the present invention, the terms "in", "upper", "lower", "lateral", "inner", etc. indicate directions or positional relationships based on those shown in the drawings, which are merely for convenience of description, and do not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Furthermore, it should be noted that, in the description of the present invention, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; may be a mechanical connection; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
As shown in FIG. 1, in view of the technical problems of the background art, the present invention provides a cotton planter with a pinch roller driven seed and fertilizer box transmission device, comprising: a frame 110, a seeding box 120, a soil covering and pressing roller 130, a transmission device 140 and a driving device 150.
Wherein, the sowing box 120 is supported on the frame 110 and has a sowing mechanism; the soil covering and pressing roller 130 is rotatably supported at one end of the frame 110; the transmission device 140 is arranged between the sowing box 120 and the soil covering and pressing roller 130, and the soil covering and pressing roller 130 rotates to drive the sowing mechanism to realize sowing.
Specific speaking, the beneficial effect that the seeder puts the compression roller drive seed manure case gear drive, puts the compression roller through gear, chain drive seed metering fertile ware, reaches the continuous seeding function, and seed and fertilizer sow simultaneously realizes improving fertilizer utilization ratio is put forward.
As shown in fig. 2, the rack 110 includes: a main frame 111, a first truss 112, a second truss 113, a third truss 114, a battery mount 115, a fender bracket 116, a front axle mount 117, and a rear axle mount 118.
The main frame 111 is of a square frame structure and used for fixing the sowing box, an accommodating space formed by a first truss 112 and the main frame 111 is formed in the main frame 111 and used for accommodating a front axle fixing frame 117, a second truss 113 and a third truss 114 to form an accommodating space and used for accommodating a rear axle fixing frame 118, a protection frame 116 is arranged between the first truss 112 and the second truss 113 and used for supporting and fixing, and battery mounting frames 115 are symmetrically distributed on two sides of the protection frame 116 and used for driving an axle to rotate. Preferably, the front wheel axle is rotatably supported on the front wheel axle holder 117, the rear wheel axle is rotatably supported on the rear wheel axle holder 118, the driving device 150 is mounted on the battery mounting bracket 115, and the driving device 150 is selectively connected to the front wheel axle and/or the rear wheel axle, and the driving mode can be selected according to the actual sowing situation. Wherein the front wheel axle and the rear wheel axle are correspondingly mounted on the front wheel axle fixing frame 117 and the rear wheel axle fixing frame 118, respectively.
As shown in fig. 1 and 3, the soil covering frame 200 is used to mount the soil covering and compacting roller 130, the soil covering frame 200 is integrally connected to the main frame 111 and is located at one end of the main frame 111, and the soil covering frame 200 includes a soil covering frame body 213a, a soil covering frame rotating shaft 213b, a soil covering wheel mounting frame 213c, and an adjustable frame 213 d. The soil covering wheel mounting frames 213c are rotatably supported on the soil covering frame body 213a through soil covering frame rotating shafts 213b, the adjustable frame 213d is provided with a plurality of arrayed mounting holes, one end of the adjustable frame is connected with the soil covering wheel mounting frames 213c, the other end of the adjustable frame is connected with the soil covering frame body 213a, and the rotation angle of the soil covering wheel mounting frames 213c is realized by adjusting the mounting positions of the mounting holes and the soil covering frame body 213a, so that the height of the soil covering and pressing roller 130 is adjusted.
As shown in fig. 4, the sowing box 120 includes: a box body 121 and a roller type seeding mechanism 122, wherein the bottom of the box body 121 is provided with an opening 123, and the roller type rotary conveying mechanism 122 is rotatably supported at the bottom of the box body 121; wherein the rotation of the drum-type sowing mechanism 122 enables the cotton seeds to be transferred to the box opening 123 and to flow out of the opening 123. Wherein, the roller-type seeding mechanism 122 comprises a plurality of outer rollers 124, the surface of which is provided with a plurality of round holes, and the outer edge of which is provided with a plurality of through holes distributed in an array; and a sowing gear rotatably disposed in the outer drum and having external teeth.
As shown in fig. 5, the soil covering and pressing roller 130 includes: a roller body 141, a plurality of convex teeth 142 and a supporting shaft 143, wherein the roller body 141 is rotatably sleeved on the soil covering frame rotating shaft 213 b; a plurality of teeth 142 are arranged in an array on the roller body 141. The supporting shaft 143 is supported on the soil covering wheel mounting bracket 213c, and the roller body 141 can rotate about the supporting shaft 143.
As shown in fig. 6, the transmission 150 includes: a rotating shaft 151, a first transmission gear 152, a second transmission gear 153, a third transmission gear 154, a first transmission chain 155 and a second transmission chain 156, the rotating shaft 151 rotatably supported on the main frame 111; the first transmission gear 152 is sleeved on the rotating shaft 151; the second transmission gear 153 is sleeved on the supporting shaft 143 in an empty mode, is arranged at one end of the roller body 141, and can rotate along with the roller body 141; the third transmission gear 154 is arranged at one end of the roller-type sowing mechanism 122; the first transmission chain 155 is meshed with the first transmission gear 152 and the second transmission gear 153, so that the rotating shaft 151 and the roller body 141 can synchronously rotate; the second transmission chain 156 is engaged with the first transmission gear 152 and the third transmission gear 154, and enables the rotation shaft 151 and the drum-type sowing mechanism 122 to rotate synchronously.
The invention also provides a cotton sowing method with the pressing roller driving seed and fertilizer box transmission device, which uses a cotton sowing machine with the pressing roller driving seed and fertilizer box transmission device and comprises the following steps:
setting the number of through holes of the outer drum according to the diameter and planting interval of the outer drum;
the number of the through holes of the outer roller is set by the following formula:
Figure BDA0003116149920000061
wherein n is i The number of through holes, r i Is the diameter of the outer drum, D i Is the planting interval;
setting the driving angle of the sowing gear according to the number of the through holes;
the driving angle setting formula is as follows:
Figure BDA0003116149920000062
wherein, sigma is a driving angle, and alpha is a power assisting angle; h is the height of the external teeth;
calculating the conveying coefficient of the roller-type sowing mechanism,
the conveying coefficient of the roller-type sowing mechanism is as follows:
Figure BDA0003116149920000063
wherein, ω is i Is the conveying coefficient of the drum-type sowing mechanism, L s For the length of the sowing mechanism, n s The number of teeth of the sowing gear is shown; p is the spacing coefficient, x max Is the maximum width of the seeding box, y max For maximum length of seed box, x e Width of opening of sowing box, y e Is the opening length of the seeding box.
Inputting the rotating speed of the driving mechanism and the drum-type seeding mechanism as input parameters into a fuzzy controller, and calculating to obtain the rotating speed of the soil covering and pressing roller;
and setting the advancing speed of the cotton seeder according to the rotating speed of the soil covering and pressing roller.
Wherein the rotational speed v of the drive mechanism i And the conveying coefficient omega of the roller sowing mechanism i Has a practical variation range of [ -30, respectively]，[-0.5,0.5]Their discrete domains of discourse are { -6, -5, -4, -3, -2, -1, 0, 1, 2, 3, 4, 5, 6 }.
Then the scale factor, k 1 ＝6/30，k 2 ＝6/0.5；
Defining fuzzy subsets and membership functions:
rotational speed v of the drive i Seven fuzzy states are divided: PB (positive large), PM (positive middle), PS (positive small), ZR (zero), NS (negative small), NM (negative middle) and NB (negative large), and a membership function table is obtained by combining experience, and is shown in table 1.
TABLE 1 drive mechanism rotational speed v i Table of membership functions
v i -6 -5 -4 -3 -2 -1 -0 +1 +2 +3 +4 +5 +6
PB 0 0 0 0 0 0 0 0 0 0 0.2 0.7 1.0
PM 0 0 0 0 0 0 0 0 0.2 0.8 1.0 0.8 0.2
PS 0 0 0 0 0 0 0 0.8 1.0 0.8 0.2 0 0
0 0 0 0 0 0 0.5 1.0 0.5 0 0 0 0 0
NB 0 0 0.2 0.8 1.0 0.8 0 0 0 0 0 0 0
NM 0.2 0.8 1.0 0.8 0.2 0 0 0 0 0 0 0 0
NS 1.0 0.7 0.2 0 0 0 0 0 0 0 0 0 0
Conveying coefficient omega of roller seeding mechanism i Seven fuzzy states are divided: PB (positive large), PM (positive middle), PS (positive small), ZR (zero), NS (negative small), NM (negative middle) and NB (negative large), and a membership function table is obtained by combining experience, and is shown in table 2.
TABLE 2 conveying coefficient omega of roller sowing mechanism i Table of membership functions
ω i -6 -5 -4 -3 -2 -1 -0 +1 +2 +3 +4 +5 +6
PB 0 0 0 0 0 0 0 0 0 0 0.2 0.9 1.0
PM 0 0 0 0 0 0 0 0 0.2 0.8 1.0 0.8 0.2
PS 0 0 0 0 0 0 0 0.8 0.6 0.8 0.2 0 0
ZR 0 0 0 0 0 0.5 1.0 0.5 0 0 0 0 0
NB 0 0 0.2 1.0 1.0 0.8 0 0 0 0 0 0 0
NM 0.2 0.8 1.0 0.8 0.2 0 0 0 0 0 0 0 0
NS 1.0 0.7 0.2 0 0 0 0 0 0 0 0 0 0
The fuzzy reasoning process needs to execute complex matrix operation, the calculated amount is very large, the on-line reasoning is difficult to meet the real-time requirement of a control system, the fuzzy reasoning method is adopted for fuzzy reasoning operation, and the fuzzy reasoning decision adopts a three-input single-output mode.
The preliminary control rules of the fuzzy controller can be summarized by experience, and the control rules are shown in table 3.
Table 3 is a fuzzy control rule table
Figure BDA0003116149920000081
Figure BDA0003116149920000091
The fuzzy controller defuzzifies the output signal according to the obtained fuzzy value to obtain a fuzzy control query table, and the fuzzy control rule can be expressed as a fuzzy matrix because the domain of discourse is discrete, and the fuzzy control query table is obtained by adopting single-point fuzzification.
As shown in Table 4, the experiment refers to the structural parameters obtained by the system to process roller type no-tillage sowing mechanism test prototypes and perform prototype function tests according to the sowing requirements of 100%, 75% and 50% of cotton sowing returning amount, 2.5cm sowing depth with plant spacing of 20cm and 76cm row spacing. The hole depth and the hole distance both meet the seeding requirements, the hole forming effect is good, and the feasibility and the effectiveness of the cotton seeding machine with the pressing roller driving seed and fertilizer box transmission device are proved.
Table 4 cotton sowing verification experiment result table
Figure BDA0003116149920000092
The invention provides a cotton planter with a transmission device for driving a seed and fertilizer box by a pressing roller, and provides a gear transmission device for driving the seed and fertilizer box by the pressing roller of the planter.
So far, the technical solutions of the present invention have been described in connection with the preferred embodiments shown in the drawings, but it is apparent to those skilled in the art that the scope of the present invention is not limited to these specific embodiments. Equivalent changes or substitutions of related technical features can be made by those skilled in the art without departing from the principle of the invention, and the technical scheme after the changes or substitutions can fall into the protection scope of the invention.

Claims (7)

1. A cotton planter with a pinch roller driven seed and fertilizer box transmission, comprising:
a frame;
a sowing box supported on the frame and having a sowing mechanism;
the soil covering and pressing roller is rotatably supported at one end of the rack;
the transmission device is arranged between the seeding box and the earthing pressing roller, and the earthing pressing roller rotates to drive the seeding mechanism to realize seeding;
the seeding case includes:
a box body, the bottom of which is provided with a plurality of openings;
a plurality of roller-type seeding mechanisms which are rotatably supported at the bottom of the box body and are positioned at the opening position of the box body;
wherein the drum-type sowing mechanism is rotated to convey cotton seeds to the opening of the box body and flow out of the opening;
the roller-type sowing mechanism comprises:
the outer roller is provided with a plurality of round holes on the surface and a plurality of through holes distributed in an array on the outer edge;
a sowing gear rotatably disposed within the outer drum and having external teeth;
setting the number of the through holes of the outer roller according to the diameter of the outer roller and the planting interval;
the number of the through holes of the outer roller is set by the following formula:
Figure 575955DEST_PATH_IMAGE002
；
wherein the content of the first and second substances,
Figure 24253DEST_PATH_IMAGE004
the number of the through holes is equal to that of the through holes,
Figure 69570DEST_PATH_IMAGE006
is the diameter of the outer drum and is,
Figure 995938DEST_PATH_IMAGE008
is the planting interval;
setting the driving angle of the sowing gear according to the number of the through holes;
the driving angle setting formula is as follows:
Figure 341468DEST_PATH_IMAGE010
；
wherein the content of the first and second substances,
Figure 695089DEST_PATH_IMAGE012
in order to drive the angle of the shaft,
Figure 227702DEST_PATH_IMAGE014
is a power assisting angle;
Figure 957760DEST_PATH_IMAGE016
is the external tooth height.
2. The cotton planter with a pinch roller driven seed and fertilizer box transmission of claim 1, wherein the casing pinch roller comprises:
the roller frame is arranged on one side of the rack;
a support shaft supported on the roller frame;
the roller body is rotatably sleeved on the supporting shaft;
and the plurality of convex teeth are distributed on the roller body in an array manner.
3. The cotton planter with a pinch roller driven seed and fertilizer box transmission as claimed in claim 2, wherein said transmission comprises:
a rotating shaft rotatably supported on the frame;
the first transmission gear is sleeved on the rotating shaft;
the second transmission gear is sleeved on the supporting shaft in an empty mode, is arranged at one end of the roller body and can rotate along with the roller body;
the third transmission gear is arranged at one end of the roller-type sowing mechanism;
the first transmission chain is meshed with the first transmission gear and the second transmission gear and can realize synchronous rotation of the rotating shaft and the roller body;
and the second transmission chain is meshed with the first transmission gear and the third transmission gear, so that the rotating shaft and the roller-type sowing mechanism can synchronously rotate.
4. The cotton planter with a pinch roller driven seed and fertilizer box drive of claim 3, wherein the roller housing comprises:
an adjustment bracket having a plurality of fixing holes;
the connecting frame is an L-shaped bracket, and one end of the connecting frame is provided with a fixing bolt matched with the fixing hole;
the supporting frame is connected with the adjusting frame.
5. A cotton sowing method using a cotton sowing machine having a pinch roller driven seed and fertilizer box transmission as claimed in any one of claims 1 to 4, comprising:
calculating the conveying coefficient of the drum-type sowing mechanism, inputting the rotating speed of the driving mechanism and the drum-type sowing mechanism as input parameters into a fuzzy controller, and calculating to obtain the rotating speed of the soil covering and compacting roller;
and setting the advancing speed of the cotton seeder according to the rotating speed of the soil covering and pressing roller.
6. The method for sowing cotton with the pinch roller-driven seed and fertilizer box transmission device as claimed in claim 5, wherein the roller-type sowing mechanism has a conveying coefficient of:
Figure 157798DEST_PATH_IMAGE018
；
wherein the content of the first and second substances,
Figure 682320DEST_PATH_IMAGE020
is the conveying coefficient of the drum-type sowing mechanism,
Figure 967808DEST_PATH_IMAGE022
in order to ensure the length of the sowing mechanism,
Figure 235978DEST_PATH_IMAGE024
the number of teeth of the sowing gear is set;
Figure 290522DEST_PATH_IMAGE026
is a coefficient of the spacing between the two,
Figure 517104DEST_PATH_IMAGE028
the maximum width of the seeding box is the maximum width,
Figure 24308DEST_PATH_IMAGE030
the maximum length of the seeding box is the maximum length,
Figure 830590DEST_PATH_IMAGE032
the width of the opening of the sowing box is wide,
Figure 5220DEST_PATH_IMAGE034
is the opening length of the seeding box.
7. The method of sowing cotton with a pinch roller drive seed and fertilizer box transmission of claim 6, wherein the fuzzy sets of the drive mechanism speed and the transport factor of the roller-type sowing mechanism are: { NB, NM, NS, ZR, PS, PM, PB }, NB representing negative large, NM representing negative medium, NS representing negative small, ZR representing zero, PS representing positive small, PM representing positive medium, PB representing positive large, their domains of discourse are: { -6, -5, -4, -3, -2, -1,0,1,2,3,4,5,6}.
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CN105532135A (en) * 2016-01-28 2016-05-04 山西农业大学 Circular-disc type precision drill seeding device of small-seed crops
CN207022448U (en) * 2017-08-10 2018-02-23 黑龙江九穗谷农业科技发展有限公司 A kind of mulching film planting seeder
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