CN103329668B - Motion control device of seed sucking disc of precision planter - Google Patents
Motion control device of seed sucking disc of precision planter Download PDFInfo
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- CN103329668B CN103329668B CN201310252978.2A CN201310252978A CN103329668B CN 103329668 B CN103329668 B CN 103329668B CN 201310252978 A CN201310252978 A CN 201310252978A CN 103329668 B CN103329668 B CN 103329668B
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Abstract
The invention discloses a motion control device of a seed sucking disc of a pneumatic vibration type field seedling-raising precision planter, and relates to the field of automation of agricultural machinery. The motion control device comprises a vertical monorail lead screw nut transmission system, a horizontal monorail lead screw nut transmission system and an L-type connecting frame. When the motion control device works, the seed sucking disc of the precision planter is controlled in real time through controlling the motion of the monorail lead screw nut transmission systems. The motion control device has the advantages of being easy and convenient to operate, safe and reliable to work and high in automation degree; the work efficiency of the precision planter can be improved.
Description
Technical field
The present invention relates to the precision planter technical field of agricultural machinery, particularly a kind of seeds sucker motion control device of aspiration oscillatory type field seedling raising precision planter.
Background technology
Sowing is an important technical links in agricultural production process, and sower is then the core component realizing mechanization precise sowing.In recent years, China's Super Rice Planting area constantly expands, compared with conventional rice, super hybridization rice has the advantages such as plant type is tall and big, stem stalk is sturdy, point grain power is strong, big panicle many grains per panicle, all adopt sparse plantation, be conducive to point grain to occur and individual plant growth, form yielding Populations structure, average specific conventional Rice every mu plants 5000 ~ 7000 caves less.This proposes higher standard to sowing seedling-cultivation technique, and require that seeding accuracy is increased to 1 ~ 2/cave by 3 ~ 5/cave, precise sowing has become the principal character of modern seeding technique.Air-sucking vibration plate type precision seeder for field seedling raising utilizes kind of a disc vibration to make material form " quasi-fluid ", seed is separated from each other, so that strength air-suction parts completes precise sowing.When precision planter works, need a set of control device to control the motion state of seeds sucker, seeds sucker is moved back and forth as requested between suction kind of position and feeding position, plant and seeding process to ensure that sower can complete to inhale.
The present invention devises a kind of seeds sucker motion control device of aspiration oscillatory type field seedling raising precision planter.During work, operating personnel send instruction to PLC by the man-machine interface of touch-screen, level of control and vertical monorail screw nut driven system motion, thus control the suction kind motion of seeds sucker; When breaking down in seeds sucker motion process, drive motors stops, alarm equipment alarm.This seeds sucker motion control device is simple, convenient, safely, reliably, provides condition for realizing air suction vibration disc type field seedling raising precise sowing.
Summary of the invention
The object of the invention is the seeds sucker motion control device that a kind of aspiration oscillatory type field seedling raising precision planter will be provided, the motion state controlling functions of sower seeds sucker can be realized, the requirement meeting air-aspiration type precision planter exactitude position planting He increase work efficiency.
The seeds sucker motion control device of the aspiration oscillatory type field seedling raising precision planter of this patent, is made up of vertical monorail screw nut driven system 1, horizontal monorail screw nut driven system 3, L shape link 2,
Described vertical monorail screw nut driven system 1 is made up of stepper motor 10, shaft coupling 23, up stroke proximity switch 14, upper movable block 15, vertical direction nut moving assembly 16, lower movable block 17, down stroke proximity switch 18, bearing (ball) cover 20, metallic plate 21, two rail plates be arranged in parallel 22, leading screw 24, air-suction parts connectors 26, stepper motor 10 is fixed on metallic plate 21, and metallic plate 21 is fixedly connected with two rail plates be arranged in parallel 22; The output shaft of stepper motor 10 is connected with leading screw 24 by shaft coupling 23, and the axis of the output shaft of stepper motor 10, metallic plate 21 and leading screw 24 is on same straight line; Described vertical direction nut moving assembly 16 is made up of movable plate 28, nut 29, two moving runner supports 30 and two moving runners 31; Two moving runner supports 30 are separately positioned on movable plate 28 two ends, and two moving runner support 30 lower ends are respectively arranged with a moving runner 31; Leading screw 24 and nut 29 are connected, and nut 29 welds with movable plate 28, and moving runner 31 is arranged on and rail plate 22 correspondence position; Up stroke proximity switch 14 and down stroke proximity switch 18 are arranged on rail plate 22; Be respectively arranged with movable block 15 and lower movable block 17 at vertical direction nut moving assembly 16 and up stroke proximity switch 14 and down stroke proximity switch 18 correspondence position, air-suction parts connector 26 is arranged on the lower end of bearing (ball) cover 20;
The second rail plate 35 that described horizontal monorail screw nut driven system 3 is be arranged in parallel by the second stepper motor 33, left lateral journey proximity switch 36, the motion block 37 that moves to left, horizontal direction nut moving assembly 38, the motion block 39 that moves to right, right lateral journey proximity switch 40, second bearing (ball) cover 48, second metallic plate 42, two, shear pin safety coupling 44, to form with crossbeam connecting hole 45, second leading screw 46; Second stepper motor 33 is fixed on the second metallic plate 42, and the second metallic plate 42 and two the second rail plates 35 link together; The output shaft of the second stepper motor 33 is connected with the second leading screw 46 by shear pin safety coupling 44, and the axis of the output shaft of the second stepper motor 33, the second metallic plate 42 and the second leading screw 46 is on same straight line; Described horizontal direction nut moving assembly 38 is made up of the second movable plate 52, second nut 51, two the second moving runner supports 54 and two the second moving runners 53; Two the second moving runner supports 54 are separately positioned on the second movable plate 52 two ends, and two the second moving runner support 54 lower ends are respectively arranged with second moving runner 53; Second leading screw 46 and the second nut 51 are connected, and the second nut 51 welds with the second movable plate 52, and the second moving runner 53 is arranged on and the second rail plate 35 correspondence position; Left lateral journey proximity switch 36 and right lateral journey proximity switch 40 are arranged on the second rail plate 35, and horizontal direction nut moving assembly 38 and left lateral journey proximity switch 36 and right lateral journey proximity switch 40 correspondence position are respectively arranged with move to left motion block 37 and the motion block 39 that moves to right; Movable plate 28 is fixedly connected with by L-type link 2 with the second movable plate 52, makes vertical monorail screw nut driven system 1 mutually vertical with horizontal monorail screw nut driven system 3.
The seeds sucker motion control device of the aspiration oscillatory type field seedling raising precision planter of this patent, also comprises the seeds sucker 4 be fixedly connected with air-suction parts connector 26.
The invention has the advantages that:
(1) control device structure simple, easy to operate, be easy to control, control accuracy is high.
(2) safety members such as shear pin safety coupling, torque sensor are applied in control device, when control device is broken down, can not damage, add reliability when sower works and safety.
(3) in the control device course of work, seeds sucker operates steadily, and decreases and inhales the drop rate of seed in moving process on kind of rear seed pan, reduce the hole rate of sowing.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the invention will be further described.
Fig. 1 is aspiration oscillatory type field seedling raising precision planter structural representation.
Fig. 2 is precision planter seeds sucker kinetic control system block diagram.
Fig. 3 is vertical monorail screw nut driven system architecture schematic diagram.
Fig. 4 is vertical direction nut moving assembly structural representation.
Fig. 5 is horizontal monorail screw nut driven system architecture schematic diagram.
Fig. 6 is horizontal direction nut moving assembly structural representation.
Fig. 7 is L shape link front view.
Fig. 8 is seeds sucker suction kind motion process schematic diagram.
Fig. 9 is L shape link vertical view.
Figure 10 is L shape link left view.
In figure: 1--vertical monorail screw nut driven system, 2--L shape link, 3--horizontal monorail screw nut driven system, 4--seeds sucker, 5--air chamber, 6--vibrating motor, 7--grain conductor, 8--seed pan, 9--air pump motor, 10--stepper motor, 11--bolt, 12--trip bolt, 13--torque sensor, 14--up stroke proximity switch, the upper movable block of 15--, 16--vertical direction nut moving assembly, movable block under 17--, 18--down stroke proximity switch, 19--second bolt, 20--bearing (ball) cover, 21--metallic plate, 22--rail plate, 23-shaft coupling, 24--leading screw, 25--taper roll bearing, 26--air-suction parts connector, 27--the 3rd bolt, 28-movable plate, 29-nut, 30--moving runner support, 31--moving runner, 32--circular hole, 33-the second stepper motor, 34-the four bolt, 35--second rail plate, 36--left lateral journey proximity switch, 37--moves to left motion block, 38--horizontal direction nut moving assembly, 39--moves to right motion block, 40--right lateral journey proximity switch, 41--the 5th bolt, 42--second metallic plate, 43--second trip bolt, 44--shear pin safety coupling, 45--and crossbeam connecting hole, 46--second leading screw, 47--second taper roll bearing, 48--second bearing (ball) cover, 49--the 6th bolt, 50--second circular hole, 51--second nut, 52--second movable plate, 53--second moving runner, 54--second moving runner support, 55--the 3rd circular hole, 56--the 4th circular hole.
Embodiment
The seeds sucker motion control device of the aspiration oscillatory type field seedling raising precision planter of this patent is the parts being applied to aspiration oscillatory type field seedling raising precision planter.
Fig. 1 is aspiration oscillatory type field seedling raising precision planter structural representation, and the core component of aspiration oscillatory type field seedling raising precision planter is aspiration oscillatory type seeding apparatus.Aspiration oscillatory type seeding apparatus is made up of air-suction parts and vibrating mass two parts.Air-suction parts is primarily of compositions such as seeds sucker 4, air chamber 5 and air pump motors 9.Seeds sucker 4 is drilled with the suction hole matched with seedling-cultivation plate.Vibrating mass is made up of seed pan 8, vibrating motor 6, vibrating spring and sowing frame etc., and what this device adopted is eccentric type machinery excitation structure, coordinates a set of crank-linkage type reciprocating mechanism to realize the vibration of seed pan 8 by vibrating motor 6.The seeding process of precision seed metering device is as follows: Vibration on Start-up motor 6, selects suitable vibration parameters, and the seed in seed pan 8 is separated from each other, and in " boiling " motion state, is beneficial to seeds sucker 4 suction kind.During suction kind, by vertical monorail screw nut driven system 1 and horizontal monorail screw nut driven system 3, strength air-suction parts is moved to directly over seed pan shake table, open the air pump motor 9 with air chamber UNICOM, air chamber 5 forms negative pressure, the seed thrown, under strength effect, is attracted on suction hole uniform on seeds sucker 4; Inhale after planting and seeds sucker 4 is moved on to appropriate location above grain conductor 7, close air pump motor 9, air chamber 5, because communicating with air, discharges negative pressure rapidly, and seed falls into seedling cave dish by deadweight through grain conductor 7, realizes sowing target.
The seeds sucker motion control device of the aspiration oscillatory type field seedling raising precision planter of this patent, by vertical monorail screw nut driven system 1, horizontal monorail screw nut driven system 3, L-type link 2 forms.
As shown in Figure 3, described vertical monorail screw nut driven system 1 is made up of stepper motor 10, shaft coupling 23, up stroke proximity switch 14, upper movable block 15, vertical direction nut moving assembly 16, lower movable block 17, down stroke proximity switch 18, bearing (ball) cover 20, metallic plate 21, two rail plates be arranged in parallel 22, leading screw 24, air-suction parts connectors 26, stepper motor 10 is fixed on metallic plate 21, and metallic plate 21 is fixedly connected with two rail plates be arranged in parallel 22; The output shaft of stepper motor 10 is connected with leading screw 24 by shaft coupling 23, and the axis of the output shaft of stepper motor 10, metallic plate 21 and leading screw 24 is on same straight line; Described vertical direction nut moving assembly 16 is made up of movable plate 28, two moving runner supports 30 and two moving runners 31; Two moving runner supports 30 are separately positioned on movable plate 28 two ends, and two moving runner support 30 lower ends are respectively arranged with a moving runner 31; Leading screw 24 and nut 29 are connected, and nut 29 welds with movable plate 28, and moving runner 31 is arranged on and rail plate 22 correspondence position; Up stroke proximity switch 14 and down stroke proximity switch 18 are arranged on rail plate 22; Movable block 15 and lower movable block 17 is respectively arranged with at vertical direction nut moving assembly 16 and up stroke proximity switch 14 and down stroke proximity switch 18 correspondence position, air-suction parts connector 26 is arranged on the lower end of bearing (ball) cover 20, in vertical monorail screw nut driven system 1, movable plate 28 can be driven by leading screw 24 and along its axially-movable.
As shown in Figure 5, described horizontal monorail screw nut driven system 3 be arranged in parallel by the second stepper motor 33, left lateral journey proximity switch 36, the motion block 37 that moves to left, horizontal direction nut moving assembly 38, the motion block 39 that moves to right, right lateral journey proximity switch 40, second bearing (ball) cover 48, second metallic plate 42, two the second rail plate 35, shear pin safety coupling 44, form with crossbeam connecting hole 45, second leading screw 46; Second stepper motor 33 is fixed on the second metallic plate 42, and the second metallic plate 42 and two the second rail plates 35 link together; The output shaft of the second stepper motor 33 is connected with the second leading screw 46 by shear pin safety coupling 44, and the axis of the output shaft of the second stepper motor 33, the second metallic plate 42 and the second leading screw 46 is on same straight line; Described horizontal direction nut moving assembly 38 is made up of the second movable plate 52, second nut 51, two the second moving runner supports 54 and two the second moving runners 53; Two the second moving runner supports 54 are separately positioned on the second movable plate 52 two ends, and two the second moving runner support 54 lower ends are respectively arranged with second moving runner 53; Second leading screw 46 and the second nut 51 are connected, and the second nut 51 welds with the second movable plate 52, and the second moving runner 53 is arranged on and the second rail plate 35 correspondence position; Left lateral journey proximity switch 36 and right lateral journey proximity switch 40 are arranged on the second rail plate 35, and horizontal direction nut moving assembly 38 and left lateral journey proximity switch 36 and right lateral journey proximity switch 40 correspondence position are respectively arranged with move to left motion block 37 and the motion block 39 that moves to right; Movable plate 28 is fixedly connected with by L-type link 2 with the second movable plate 52, make vertical monorail screw nut driven system 1 mutually vertical with horizontal monorail screw nut driven system 3, in horizontal monorail screw nut driven system 3, the second movable plate 52 can be driven by the second leading screw 46 and along its axially-movable.
The seeds sucker motion control device of above-mentioned aspiration oscillatory type field seedling raising precision planter can realize the suction kind motion of seeds sucker 4, and vertical monorail screw nut driven system 1 and horizontal monorail screw nut driven system 3 are controlled by PLC.
This patent product can adopt touch-screen to connect PLC and control in using, touch-screen exports termination PLC input; Alarm unit is LED audible-visual annunciator, and the input of alarm unit connects the output of PLC; Signal gathering unit is made up of strain-type torque sensor 13 and modulate circuit, strain-type torque sensor 13 is installed on the junction between stepper motor output shaft in described vertical monorail screw nut driven system 1 and leading screw 24, and the output of signal gathering unit connects the input of PLC; The torque value collected when torque sensor 13 is greater than a certain setting value, PLC can control audible-visual annunciator and report to the police, and stepper motor 10 is quit work, prevent the impact due to vertical monorail screw nut driven system 1 internal fault or external factor, drive vertical monorail screw nut driven system 1 to move by force when causing vertical monorail screw nut driven system 1 stuck, thus prevent stepper motor 10 from transshipping or leading screw 24 damages.
As shown in Fig. 7,9,10, on L shape link 2, in the 3rd circular hole 55 and vertical monorail screw nut driven system 1, circular hole 32 is bolted and is fixed together, and on L shape link 2, in the 4th circular hole 56 and horizontal monorail screw nut driven system 3, the second circular hole 50 is bolted and is fixed together.
As shown in Figure 8, in the sower course of work, control device is by controlling the motion of vertical monorail screw nut driven system 1 and horizontal monorail screw nut driven system 3, thus control seeds sucker 4 is planted position, an origin position in suction, moved back and forth between feeding position and feeding position in advance.Left and right stroke proximity switch in upper and lower stroke proximity switch in vertical monorail screw nut driven system 1 and horizontal monorail screw nut driven system 3 coordinates corresponding movable block to determine the suction kind position of seeds sucker 4, origin position, pre-feeding position and feeding position.Determine rule: when upper movable block 15 enters in the induction range of up stroke proximity switch 14, the motion block 39 that simultaneously moves to right enters in the induction range of right lateral journey proximity switch 40, now up stroke proximity switch 14 and right lateral journey proximity switch 40 all disconnect, and the position at seeds sucker 4 place is for inhaling kind of a position; Instantly movable block 17 enters in the induction range of down stroke proximity switch 18, the motion block 39 that simultaneously moves to right enters in the induction range of right lateral journey proximity switch 40, now down stroke proximity switch 18 and right lateral journey proximity switch 40 all disconnect, and the position at seeds sucker 4 place is origin position; Instantly movable block 17 enters in the induction range of down stroke proximity switch 18, the motion block 37 that simultaneously moves to left enters in the induction range of left lateral journey proximity switch 36, now down stroke proximity switch 18 and left lateral journey proximity switch 36 all disconnect, and the position at seeds sucker 4 place is pre-feeding position; When upper movable block 15 enters in the induction range of up stroke proximity switch 14, the motion block 37 that simultaneously moves to left enters in the induction range of left lateral journey proximity switch 36, now up stroke proximity switch 14 and left lateral journey proximity switch 36 all disconnect, and the position at seeds sucker 4 place is feeding position; The suction kind process that one, sower is complete, the change in location of seeds sucker 4 is followed successively by: initial point, inhale kind of a position, initial point, pre-feeding position, feeding position, pre-feeding position, initial point, namely step 1.-2.-3.-4.-5.-6..
Control device specific works process is as follows:
(1) seeds sucker declines: operating personnel send instruction to PLC by the man-machine interface of touch-screen, control vertical monorail screw nut driven system and rotate clockwise, and seeds sucker declines.When seeds sucker moves to lower end extreme position, lower movable block enters in the induction range of down stroke proximity switch, and down stroke proximity switch disconnects, seeds sucker stop motion.
(2) seeds sucker rises: operating personnel send instruction to PLC by the man-machine interface of touch-screen, control vertical monorail screw nut driven system and rotate counterclockwise, and seeds sucker rises.When seeds sucker moves to upper end extreme position, upper movable block enters in the induction range of up stroke proximity switch, and up stroke proximity switch disconnects, seeds sucker stop motion.
(3) seeds sucker moves to right: operating personnel send instruction to PLC by the man-machine interface of touch-screen, and level of control monorail screw nut driven system rotates clockwise, and seeds sucker moves to right.When seeds sucker moves to extreme right position, the motion block that moves to right enters in the induction range of right lateral journey proximity switch, and right lateral journey proximity switch disconnects, seeds sucker stop motion.
(4) seeds sucker moves to left and falls: operating personnel send instruction to PLC by the man-machine interface of touch-screen, and level of control monorail screw nut driven system rotates counterclockwise, and seeds sucker moves to left.When seeds sucker moves to left end extreme position, the motion block that moves to left enters in the induction range of left lateral journey proximity switch, and left lateral journey proximity switch disconnects, seeds sucker stop motion.
In the control device course of work, when audible-visual annunciator is reported to the police, vertical monorail screw nut driven system malfunctions is described; When the stepper motor in horizontal monorail screw nut driven system runs, but seeds sucker cannot move left and right, and horizontal monorail screw nut driven system malfunctions is described.When breaking down, should shut down and find out failure cause, be repaired.
Based on the aspiration oscillatory type field seedling raising precision planter seeds sucker motion control device of PLC, can control in real time the seeds sucker position of precision planter, sower efficiently, is reliably worked, there is provided condition for realizing the sowing of aspiration vibrating precise, this device can also be applied to other motion control occasion.
Claims (2)
1. a precision planter seeds sucker motion control device, is characterized in that: by vertical monorail screw nut driven system (1), horizontal monorail screw nut driven system (3), and L-type link (2) forms,
Described vertical monorail screw nut driven system (1) is by stepper motor (10), shaft coupling (23), up stroke proximity switch (14), upper movable block (15), vertical direction nut moving assembly (16), lower movable block (17), down stroke proximity switch (18), bearing (ball) cover (20), metallic plate (21), two rail plates be arranged in parallel (22), leading screw (24), air-suction parts connector (26) forms, stepper motor (10) is fixed on metallic plate (21), metallic plate (21) is fixedly connected with two rail plates be arranged in parallel (22), the output shaft of stepper motor (10) is connected with leading screw (24) by shaft coupling (23), and the axis of the output shaft of stepper motor (10), metallic plate (21) and leading screw (24) is on same straight line, described vertical direction nut moving assembly (16) is made up of movable plate (28), nut (29), two moving runner supports (30) and two moving runners (31), two moving runner supports (30) are separately positioned on movable plate (28) two ends, and two moving runner support (30) lower ends are respectively arranged with a moving runner (31), leading screw (24) and nut (29) are connected, and nut (29) welds with movable plate (28), and moving runner (31) is arranged on and rail plate (22) correspondence position, up stroke proximity switch (14) and down stroke proximity switch (18) are arranged on rail plate (22), be respectively arranged with upper movable block (15) and lower movable block (17) at vertical direction nut moving assembly (16) and up stroke proximity switch (14) and down stroke proximity switch (18) correspondence position, air-suction parts connector (26) is arranged on the lower end of bearing (ball) cover (20),
Described horizontal monorail screw nut driven system (3) is by the second stepper motor (33), left lateral journey proximity switch (36), the motion block that moves to left (37), horizontal direction nut moving assembly (38), the motion block that moves to right (39), right lateral journey proximity switch (40), the second bearing (ball) cover (48), the second metallic plate (42), two the second rail plates (35) be arranged in parallel, shear pin safety couplings (44), form with crossbeam connecting hole (45), the second leading screw (46); Second stepper motor (33) is fixed on the second metallic plate (42), and the second metallic plate (42) and two the second rail plates (35) link together; The output shaft of the second stepper motor (33) is connected with the second leading screw (46) by shear pin safety coupling (44), and the axis of the output shaft of the second stepper motor (33), the second metallic plate (42) and the second leading screw (46) is on same straight line; Described horizontal direction nut moving assembly (38) is made up of the second movable plate (52), the second nut (51), two the second moving runner supports (54) and two the second moving runners (53); Two the second moving runner supports (54) are separately positioned on the second movable plate (52) two ends, and two the second moving runner support (54) lower ends are respectively arranged with second moving runner (53); Second leading screw (46) and the second nut (51) are connected, and the second nut (51) welds with the second movable plate (52), and the second moving runner (53) is arranged on and the second rail plate (35) correspondence position; Left lateral journey proximity switch (36) and right lateral journey proximity switch (40) are arranged on the second rail plate (35), and horizontal direction nut moving assembly (38) is respectively arranged with the motion block that moves to left (37) and the motion block that moves to right (39) with left lateral journey proximity switch (36) and right lateral journey proximity switch (40) correspondence position; Movable plate (28) is fixedly connected with by L-type link (2) with the second movable plate (52), makes vertical monorail screw nut driven system (1) mutually vertical with horizontal monorail screw nut driven system (3).
2. precision planter seeds sucker motion control device according to claim 1, is characterized in that: also comprise the seeds sucker (4) be fixedly connected with air-suction parts connector (26).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310252978.2A CN103329668B (en) | 2013-06-25 | 2013-06-25 | Motion control device of seed sucking disc of precision planter |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310252978.2A CN103329668B (en) | 2013-06-25 | 2013-06-25 | Motion control device of seed sucking disc of precision planter |
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| CN103329668A CN103329668A (en) | 2013-10-02 |
| CN103329668B true CN103329668B (en) | 2015-07-08 |
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| CN201310252978.2A Active CN103329668B (en) | 2013-06-25 | 2013-06-25 | Motion control device of seed sucking disc of precision planter |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106773966B (en) * | 2016-12-20 | 2019-04-30 | 江苏大学 | A kind of air-suction seeding unit sucker inhales the adaptive controller and method of kind of position |
| CN114080881B (en) * | 2021-11-05 | 2023-01-10 | 广西民族师范学院 | Precision planter seed sucking disc motion control device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102005051527A1 (en) * | 2005-10-26 | 2007-05-03 | Güttler, Fritz | Seed e.g. grain, dosing and separating device for sowing machine, has air intake gap that is formed corresponding to grain quantity, where gap is arranged for seed dosing and separating unit in circumference of unit |
| CN102090184A (en) * | 2010-12-24 | 2011-06-15 | 江苏大学 | Air-suction vibration disk type field precise seeder for grain |
| CN102550180A (en) * | 2011-12-29 | 2012-07-11 | 江苏大学 | Air-sucking vibration plate type precision seeder for field seedling raising |
| EP2486781A1 (en) * | 2011-02-10 | 2012-08-15 | Matermacc S.p.A. | Compact self-propelled seeder |
| CN203467176U (en) * | 2013-06-25 | 2014-03-12 | 江苏大学 | Movement control device of seed suction disc of precision planter |
-
2013
- 2013-06-25 CN CN201310252978.2A patent/CN103329668B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102005051527A1 (en) * | 2005-10-26 | 2007-05-03 | Güttler, Fritz | Seed e.g. grain, dosing and separating device for sowing machine, has air intake gap that is formed corresponding to grain quantity, where gap is arranged for seed dosing and separating unit in circumference of unit |
| CN102090184A (en) * | 2010-12-24 | 2011-06-15 | 江苏大学 | Air-suction vibration disk type field precise seeder for grain |
| EP2486781A1 (en) * | 2011-02-10 | 2012-08-15 | Matermacc S.p.A. | Compact self-propelled seeder |
| CN102550180A (en) * | 2011-12-29 | 2012-07-11 | 江苏大学 | Air-sucking vibration plate type precision seeder for field seedling raising |
| CN203467176U (en) * | 2013-06-25 | 2014-03-12 | 江苏大学 | Movement control device of seed suction disc of precision planter |
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