CN107593049A - The amount of broadcasting automatically controls seeder - Google Patents
The amount of broadcasting automatically controls seeder Download PDFInfo
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- CN107593049A CN107593049A CN201710827660.0A CN201710827660A CN107593049A CN 107593049 A CN107593049 A CN 107593049A CN 201710827660 A CN201710827660 A CN 201710827660A CN 107593049 A CN107593049 A CN 107593049A
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- 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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Abstract
The invention discloses one kind amount of broadcasting to automatically control seeder, it includes frame, three-link hitch, metering system, press wheel, gauge wheel and broadcasts amount control system, wherein, the frame includes left plate and right plate and the first support beam, the second support beam, the 3rd support beam that are fixed between biside plate；The lower hitch point of the three-link hitch is individually fixed in the first support beam and the second support beam with upper hitch point；The metering system includes the multiple seeding units being arranged side by side, and multiple seeding units are mounted side by side in the second support beam；The tach signal of the present invention two gauge wheels of collection, by broadcasting amount control system, control signal is used as using rotating speed highest, adjustment control external feed rotational speed regulation and length, expand the whole scope of the amount of broadcasting section, improve control accuracy, reduce influence of the ground wheel slip to seeding uniformity.
Description
Technical field
The present invention relates to agricultural machinery technological field, refers specifically to one kind amount of broadcasting and automatically controls seeder.
Background technology
Traditional ground-driven seeding mode, the gearratio determined by feed mechanism for seed and land wheel ensure the uniformity for the amount of broadcasting,
The regulation of application rate is realized by changing gearratio and sheave length, and gearratio realizes regulation by changing sprocket wheel, regulation
It is cumbersome for installation, and the quantity of sprocket wheel can not possibly be too many, adjustable range is limited, can not realize step-less adjustment, and this method is in soil
High humidity, earth's surface out-of-flatness mal-condition under, land wheel is easy to produce sliding, it will causes the amount of broadcasting uneven, influences seeding quality.
In view of the above-mentioned problems, Patent No. CN201220122546.0 Chinese patent " synchronous electronics fertilizer apparatus " and patent
Number use sensor for a kind of CN200920098970.4 Chinese patent " seeder of Electronic Control seed sowing quantity "
Gather unit gait of march signal and land wheel tach signal, the rotating speed of direct current generator controlled using control element, realize the amount of broadcasting with
The change of equipment gait of march and change；Wang Rengui etc. proposes one kind amount of broadcasting automatic regulating system (external roller feed
Using the discussion of automatically controlled regulation, 2009), the rotating speed of seeding motor and steering are controlled by detecting the application rate of unit interval,
The output end connection worm gear of motor, and engaged with rack, rack is fixed in one with external feed, is nibbled using worm gear rack
Close and change sheave length, Displacement Regulation.
Control feed mechanism for seed rotating speed is respectively adopted in above-mentioned technical proposal and the method for feed mechanism for seed length realizes the amount of broadcasting control, single
The amount of the broadcasting regulative mode amount of broadcasting adjustable range is limited, and the present invention uses controls the method for feed mechanism for seed rotating speed and length to realize the amount of broadcasting simultaneously
Control, adjustable range are big；Above-mentioned technical proposal is using solely wheel speed signal is as control signal, when land wheel slides
When, it will cause the amount of broadcasting uneven.
The content of the invention
It is an object of the invention to provide one kind amount of broadcasting to automatically control seeder, overcomes the cunning for traditionally taking turns metering system land wheel
The influence to sowing machine sowing amount uniformity is moved, improves seeding quality, at the same it is same using external feed rotational speed regulation and length
The regulative mode regulation amount of broadcasting is walked, expands the whole scope of the amount of broadcasting section, improves control accuracy.
Therefore, the amount of broadcasting designed by the present invention automatically controls seeder, it is characterised in that：It includes frame, trifilar suspension
Device, metering system, press wheel, gauge wheel and amount control system is broadcast, wherein, the frame includes left plate and right plate and solid
The first support beam, the second support beam and the 3rd support beam being connected between left plate and right plate；The three-link hitch
Lower hitch point is individually fixed in the first support beam and the second support beam with upper hitch point；The metering system includes being arranged side by side
Multiple seeding units, multiple seeding units are mounted side by side in the second support beam；
The gauge wheel has two, and two gauge wheels are separately mounted to the both ends of the first support beam；
Each seeding unit includes parallelogram lindage, double disk opener, suppresses wheel carrier, consolidated by plants case fixed plate
The plants case that is connected on parallelogram lindage, it is arranged on the external feed of plants case bottom, the suppression being arranged on suppression wheel carrier
Wheel, the suppression wheel carrier are together arranged on the left side of parallelogram lindage with double disk opener, the right side of parallelogram lindage
Side is fixed in the second support beam；
Each external feed includes seeds discharging box, gear wheel, sheave, feed shaft and two thrust bearings, seeding unit
Plants case is fixedly installed on seeds discharging box, and the right-hand member of sheave and the left end of gear wheel are penetrated in seeds discharging box, and sheave and gear wheel can arranged
Rotated in kind box, the left end fitting of the right-hand member and gear wheel of sheave；Thrust bearing inner ring on the left of external feed is enclosed on sheave
On the left end face of cylinder, in the clamping plate groove in the thrust bearing outer ring insertion left side on the left of external feed, external feed
One end of the thrust bearing in left side withstands on the clamping plate end face in left side, and the other end of the thrust bearing on the left of external feed is withstood on
On the cascaded surface of sheave, the thrust bearing inner ring on the right side of external feed is enclosed on the face of cylinder of gear wheel right-hand member, water jacket schedule
In the clamping plate groove on the outer ring insertion right side of the thrust bearing on the right side of kind device, one end of the thrust bearing on the right side of external feed
The clamping plate end face on right side is withstood on, the other end of the thrust bearing on the right side of external feed is withstood on the cascaded surface of gear wheel；Left and right
It is provided with symmetrical two through holes on two clamping plates, one end of two screw mandrels is each passed through the corresponding through hole on the clamping plate in left side, and two
The other end of individual screw mandrel is each passed through the corresponding through hole on the clamping plate on right side, and one end of screw mandrel passes through before and after the clamping plate in left side
Feed screw nut the clamping plate in left side is fixed, the other end of screw mandrel passes through the feed screw nut couple before and after the clamping plate on right side
The clamping plate on right side is fixed, and the clamping plate of left and right two after fixing is to the thrust bearing between the clamping plate of left and right two, sheave, gear wheel
Axially position is carried out, when clamping plate is axially moved, thrust bearing, sheave, gear wheel can be driven to be axially moved in seeds discharging box, is realized
Seeding length adjustment；The each sheave of external feed and the inner ring of gear wheel are installed on feed shaft, the sheave and gear
Wheel can follow feed shaft synchronous axial system and can be slided on feed shaft；
The amount control system of broadcasting includes control box, length adjustment motor, rotational speed regulation motor and speed probe, described
The amount of broadcasting enter key and single-chip microcomputer are provided with control box, the speed probe is arranged on gauge wheel, the signal of speed probe
The tach signal input of output end connection single-chip microcomputer, the man-machine interface connection amount of the broadcasting enter key of single-chip microcomputer, the first of single-chip microcomputer
The control signal input of motor control signal output end connecting length regulation motor, the second motor control signal of single-chip microcomputer are defeated
Go out the control signal input of end connection rotational speed regulation motor；
Length adjustment motor is separately positioned on right plate and left plate with rotational speed regulation motor, and rotational speed regulation motor turns
Moving axis connects the left end of feed shaft by corresponding shaft coupling, and length adjustment motor is same by corresponding shaft coupling and cylindrical cam
Axis connection, the lateral wall of cylindrical cam are provided with cam path, and one end of push rod is provided with the sliding block being slidably matched with cam path, push rod
The other end is fixed on push rod connecting plate, and push rod connecting plate is fixed on the right side clamping plate of rightmost side external feed, when pushing away
For the sliding block of bar when being slided on cam path, the push rod connecting plate of push rod can drive the right side clamping plate of rightmost side external feed to put down
It is dynamic, so as to drive the sheave of each external feed and gear wheel to be slided on feed shaft, realize double-run length adjustment.
The present invention gathers the ground wheel speed of left and right two respectively by two speed probes, and this signal is passed into list
Piece machine, single-chip microcomputer filter out the higher signal of rotating speed as input signal by comparing, it is ensured that because earth's surface out-of-flatness causes a left side
During the slip rate difference of right land wheel, land wheel is further always reduced as input signal using the relatively low tach signal of slip rate
Influence of the slip rate to the amount of broadcasting uniformity (rotating speed is high, and slip rate is small).In addition, the present invention can also use rotating speed control and length
Control combination mode realizes the amount of broadcasting control, expands the amount of broadcasting control range, improves the amount of broadcasting control accuracy.
Brief description of the drawings
Fig. 1 is that one kind amount of broadcasting automatically controls seeder tomograph；
Fig. 2 is that one kind amount of broadcasting automatically controls sowing machine sowing amount control principle and feed mechanism for seed structure chart；
Fig. 3 is that one kind amount of broadcasting automatically controls seeding apparatus of seeder structure three-dimensional explosive view；
Fig. 4 is that one kind amount of broadcasting automatically controls seeder metering system structure three-dimensional explosive view；
Fig. 5 is that one kind amount of broadcasting automatically controls seeder gauge wheel structure three-dimensional explosive view.
Wherein, 1-press wheel；2-gauge wheel；201-U-shaped card；202-square tube；203-wheel shaft connecting plate；204-wheel
Axle；205-sensor probe；206-sensor-magnet；207-tire；208-bearing block；209-end cap；210-limit is deep
Take turns connecting rod；3-left plate；4-lower hitch point；5-metering system；51-plants case；52-external feed；521-row
Kind box；522-gear wheel；523-sheave；524-thrust bearing；525-feed shaft, 526-cascaded surface；53-plants case is fixed
Plate；54-parallelogram lindage；55-parallel four-bar copying spring；56-suppression wheel carrier；57-suppression copying spring；6-on
Hitch point；7-double disk opener；8-control box support；9-control box；91-the amount of broadcasting enter key；92-LCD is shown；
93-single-chip microcomputer；10-right plate；11-the first support beam；12-the second support beam；13-the three support beam；14-rotating speed passes
Sensor；15-lead accumulator；16-length adjustment motor；17-shaft coupling；18-cylindrical cam；18.1-cam path；19—
Push rod；19.1-push rod connecting plate, 19.2-sliding block；20-clamping plate, 20.1-through hole；21-screw mandrel, 21.1-feed screw nut；
22-rotational speed regulation motor.
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is described in further detail：
The amount of broadcasting that the present invention designs automatically controls seeder, and the amount of broadcasting automatically controls seeder as shown in Fig. 1~5, and it includes
Frame, three-link hitch, metering system 5, press wheel 1, gauge wheel 2 and amount control system is broadcast, wherein, the frame includes a left side
Side plate 3 and right plate 10 and the first support beam 11 being fixed between left plate 3 and right plate 10, the second support beam 12 and the 3rd
Support beam 13；The lower hitch point 4 of the three-link hitch is individually fixed in the first support beam 11 and second with upper hitch point 6
Support on beam 12；The metering system 5 includes six seeding units being arranged side by side, six seeding units by U-shaped card 201 side by side
In the second support beam 12；
The gauge wheel 2 has two, and two gauge wheels 2 are separately mounted to the both ends of the first support beam 11；
Each seeding unit includes parallelogram lindage 54, double disk opener 7, suppresses wheel carrier 56, consolidated by plants case
Plants case 51 that fixed board 53 is fixed on parallelogram lindage 54, it is arranged on the external feed 52 of the bottom of plants case 51, is arranged on
The press wheel 1 on wheel carrier 56 is suppressed, the suppression wheel carrier 56 is with double disk opener 7 together installed in parallelogram lindage 54
On left side, the right side of parallelogram lindage 54 is fixed in the second support beam 12；
Each external feed 52 includes seeds discharging box 521, gear wheel 522, sheave 523, feed shaft 525 and two thrust axis
524 are held, the plants case 51 of seeding unit is fixedly installed on seeds discharging box 521, and the right-hand member of sheave 523 and the left end of gear wheel 522 penetrate
In seeds discharging box 521, and sheave 523 and gear wheel 522 can rotate in seeds discharging box 521, the right-hand member of sheave 523 and a left side for gear wheel 522
End fitting；The inner ring of thrust bearing 524 in the left side of external feed 52 is enclosed on the left end face of cylinder of sheave 523, outer groove-wheel seeding
In the groove of clamping plate 20 in the outer ring of the thrust bearing 524 insertion left side in the left side of device 52, the thrust bearing in the left side of external feed 52
524 one end withstands on the end face of clamping plate 20 in left side, and the other end of the thrust bearing 524 in the left side of external feed 52 withstands on sheave
On 523 cascaded surface 526, the inner ring of thrust bearing 524 on the right side of external feed 52 is enclosed on the face of cylinder of the right-hand member of gear wheel 522
On, in the groove of clamping plate 20 on the outer ring insertion right side of the thrust bearing 524 on the right side of external feed 52, external feed 52
One end of the thrust bearing 524 on right side withstands on the end face of clamping plate 20 on right side, the thrust bearing 524 on the right side of external feed 52
The other end is withstood on the cascaded surface 526 of gear wheel 522；Symmetrical two through holes 20.1, two silks are provided with the clamping plate 20 of left and right two
One end of bar 21 is each passed through the corresponding through hole 20.1 on the clamping plate 20 in left side, and the other end of two screw mandrels 21 is each passed through right side
Clamping plate 20 on corresponding through hole 20.1, one end of screw mandrel 21 is right by the feed screw nut 21.1 before and after the clamping plate 20 in left side
The clamping plate 20 in left side is fixed, and the other end of screw mandrel 21 is by the feed screw nut 21.1 before and after the clamping plate 20 on right side to the right side
The clamping plate 20 of side is fixed, and the clamping plate 20 of left and right two after fixing is to the thrust bearing 524 between the clamping plate 20 of left and right two, groove
Wheel 523, gear wheel 522 carry out axially position, when clamping plate 20 is axially moved, can drive thrust bearing 524, sheave 523, gear wheel
522 are axially moved in seeds discharging box 521, realize seeding length adjustment；The sheave 523 and gear wheel of each external feed 52
522 inner ring is installed on feed shaft 525, and the sheave 523 and gear wheel 522 can follow the synchronous axial system of feed shaft 525 and energy
Slided on feed shaft 525；
The amount control system of broadcasting includes control box 9, length adjustment motor 16, rotational speed regulation motor 22 and speed probe
14, the control box 9 is interior to be provided with the amount of broadcasting enter key 91 and single-chip microcomputer 93, and the speed probe 14 is arranged on gauge wheel 2, is turned
The tach signal input of the signal output part connection single-chip microcomputer 93 of fast sensor 14, the man-machine interface connection amount of broadcasting of single-chip microcomputer 93
Enter key 91, the control signal input of the first motor control signal output end connecting length regulation motor 16 of single-chip microcomputer 93,
The control signal input of the second motor control signal output end connection rotational speed regulation motor 22 of single-chip microcomputer 93；
Length adjustment motor 16 is separately positioned on right plate 10 and left plate 3 with rotational speed regulation motor 22, rotational speed regulation
The rotary shaft of motor 22 connects the left end of feed shaft 525 by corresponding shaft coupling 17, and length adjustment motor 16 is by corresponding
Shaft coupling 17 and cylindrical cam 18 are coaxially connected, and the lateral wall of cylindrical cam 18 is provided with cam path 18.1, and one end of push rod 19 is set
There is the sliding block 19.2 being slidably matched with cam path 18.1, the other end of push rod 19 is fixed on push rod connecting plate 19.1, and push rod connects
Fishplate bar 19.1 is fixed on the right side clamping plate 20 of rightmost side external feed 52, when the sliding block 19.2 of push rod 19 is in cam path
When being slided on 18.1, the push rod connecting plate 19.1 of push rod 19 can drive the right side clamping plate 20 of rightmost side external feed 52 flat
It is dynamic, so as to drive the sheave 523 of each external feed 52 and gear wheel 522 to be slided on feed shaft 525, realize double-run
Length adjustment.
In above-mentioned technical proposal, seeding unit also includes parallel four-bar copying spring 55 and suppression copying spring 57；It is parallel
Four bar copying springs 55 are articulated on two opposed bars of parallelogram lindage 54, and suppression copying spring 57 one end is fixed on suppression
On wheel 1, the other end of suppression copying spring 57 is fixed on suppression wheel carrier 56.In work when earth's surface is uneven, parallel four
Bar copying spring 55 will compress or extend so that parallelogram lindage 54 drives double disk opener 7 to fluctuate, double circles
The profiling everywhere of disk plough 7, ensure that seed level is consistent, suppression copying spring 57 also can compress or extend, and realize press wheel about 1
Float, under the collective effect that parallelogram lindage 54 and press wheel 1 float, ensure that the moment of press wheel 1 contacts with earth's surface, realize
Effectively suppression.
In above-mentioned technical proposal, the control box 9 is by controlling box support 8 to be fixed in the first support beam 11, control box 9
Inside it is additionally provided with LCD display 92, the vision signal input of the display signal output part connection LCD display 92 of the single-chip microcomputer 93
End, the power interface connection lead-acid battery 15 of single-chip microcomputer 93.
In above-mentioned technical proposal, the speed probe 14 has two, is Hall sensor, respectively collection left and right two
The tach signal of gauge wheel 2, gauge wheel 2 are provided with tire 207, and gauge wheel 2 is fixedly connected with bearing block 208；Wheel shaft 204 and axle
Bearing fit in bearing 208 simultaneously compresses positioning by end cap 209, makes wheel shaft 204 be only capable of rotating in bearing block 208；Wheel shaft 204
It is welded on wheel shaft connecting plate 203；Wheel shaft connecting plate 203 is fixed in square tube 202 by U-shaped card 201；Sensor probe 205
It is fixed on wheel shaft 204, sensor-magnet 206 is fixed on bearing block 208, and square tube 202 is fixed with gauge wheel connecting rod 210 to be connected
Connecing, realize and limit deep profiling, gauge wheel connecting rod 210 is arranged on the end of the first support beam 11, when gauge wheel 2 works, sensor magnetic
Iron 206 together rotates with bearing block 208 around wheel shaft 204, when sensor-magnet 206 and is fixed on sensor probe on wheel shaft 204
205 in same axis, and sensor probe 205 will record the pulse signal of collection.
In above-mentioned technical proposal, the endoporus of sheave 523 and gear wheel 522 is six square holes, and the outer ring of feed shaft 525 is six sides
Six square borehole jacks of profile shaft, sheave 523 and gear wheel 522 are on six square feed shafts 525.The structure realizes sheave 523 and gear
Wheel 522 can follow the synchronous axial system of feed shaft 525 and can be slided on feed shaft 525.
In above-mentioned technical proposal, the double disk opener 7 is fixed on parallelogram lindage 54 by U-shaped card 201.
In above-mentioned technical proposal, sensor probe 205 is fixed on wheel shaft 204 by plectane, and sensor-magnet 206 passes through
Plastic cement annulus is fixed on bearing block 208.
In above-mentioned technical proposal, the tach signal that the single-chip microcomputer 93 is used to transmit two speed probes 14 enters
Row compares, foundation of the single-chip microcomputer 93 using faster tach signal as control length adjustment motor 16 and rotational speed regulation motor 22,
The amount of broadcasting that single-chip microcomputer 93 inputs according to the amount of broadcasting enter key 91, according to the amount of broadcasting and the length of external feed 52 and rotating speed stored
Relation, the control signal of output length adjustment motor 16 and the control signal of rotational speed regulation motor 22.
When length adjustment motor 16 receives the control signal rotation of single-chip microcomputer 93, the sliding block 19.2 of push rod 19 starts
Being slided in the chute of cylindrical cam 18, push rod connecting plate 19.1 is moved therewith, and two through holes are symmetrically provided with push rod connecting plate 19.1,
Screw mandrel 21 passes through through hole, and two feed screw nuts clamp push rod connecting plate 19.1 and the clamping plate of the rightmost side 20, and then drives right side
Clamping plate 20 and the translation of screw mandrel 21, screw mandrel drive sheave 523 slided with gear wheel 522 on feed shaft 525, so as to realize sheave
Seeding length adjustment.When starting to rotate after rotational speed regulation motor 22 receives the control signal of single-chip microcomputer 93, feed shaft 525
Rotating speed will change therewith, realize seeding rotational speed regulation, and thrust bearing 524 helps to reduce the end face of sheave 523, the end of gear wheel 522
Face and the friction of clamping plate 20, reduce working resistance.
The present invention the course of work be：In work, with the traveling of unit, the gauge wheel 2 of left and right two rotates, due to earth's surface
Out-of-flatness, operating mode is incomplete same, and the slip rate of left and right land wheel is different, and speed probe 14 is defeated by the tach signal of collection respectively
Enter to single-chip microcomputer 93, single-chip microcomputer 93 and compare the size of two tach signals of gauge wheel 2 in left and right, filter out the larger signal of rotating speed and make
For input signal.The amount of broadcasting that single-chip microcomputer 93 inputs according to the amount of broadcasting enter key 91, the amount of broadcasting and external feed 52 according to storage
The relation of length and rotating speed, the control signal of output length adjustment motor 16 and the control signal of rotational speed regulation motor 22, when there is signal
During input, length adjustment motor 16 starts to rotate, and the rotating speed of rotational speed regulation motor 22 changes, so as to realize that external feed 52 is grown
The regulation of degree and rotating speed.When unit gait of march increases, to ensure that the amount of broadcasting is constant, single-chip microcomputer 93 uses optimum control scheme,
Length adjustment motor 16 is controlled to rotate and the rotating speed of rotational speed regulation motor 22, the seeding length of increase external feed 52, raising
The rotating speed of external feed 52, similarly, when unit gait of march reduces, single-chip microcomputer 93 will control reduction external feed
52 seeding length, the rotating speed of external feed 52 is reduced, so as to realize the amount of broadcasting uniformity, improve control accuracy.
The content that this specification is not described in detail belongs to prior art known to professional and technical personnel in the field.
Claims (8)
1. one kind amount of broadcasting automatically controls seeder, it is characterised in that：It include frame, three-link hitch, metering system (5),
Press wheel (1), gauge wheel (2) and amount control system is broadcast, wherein, the frame includes left plate (3) and right plate (10) and consolidated
The first support beam (11), the second support beam (12) and the 3rd support beam (13) being connected between left plate (3) and right plate (10)；
The lower hitch point (4) of the three-link hitch is individually fixed in the first support beam (11) and the second support with upper hitch point (6)
On beam (12)；The metering system (5) includes the multiple seeding units being arranged side by side, and multiple seeding units are mounted side by side on second
In support beam (12)；
The gauge wheel (2) has two, and two gauge wheels (2) are separately mounted to the both ends of the first support beam (11)；
Each seeding unit includes parallelogram lindage (54), double disk opener (7), suppresses wheel carrier (56), passes through plants case
Plants case (51) that fixed plate (53) is fixed on parallelogram lindage (54), the external feed for being arranged on plants case (51) bottom
(52) press wheel (1), being arranged on suppression wheel carrier (56), the suppression wheel carrier (56) and the Tongan City of double disk opener (7) one
On the left side of parallelogram lindage (54), it is fixed on the right side of parallelogram lindage (54) in the second support beam (12)；
Each external feed (52) includes seeds discharging box (521), gear wheel (522), sheave (523), feed shaft (525) and two
Thrust bearing (524), the plants case (51) of seeding unit are fixedly installed on seeds discharging box (521), the right-hand member and gear wheel of sheave (523)
(522) left end is penetrated in seeds discharging box (521), and sheave (523) and gear wheel (522) can rotate in seeds discharging box (521), sheave
(523) the left end fitting of right-hand member and gear wheel (522)；Thrust bearing (524) inner ring on the left of external feed (52) is enclosed on
On sheave (523) left end face of cylinder, the clamping plate in thrust bearing (524) outer ring insertion left side on the left of external feed (52)
(20) in groove, one end of the thrust bearing (524) on the left of external feed (52) withstands on clamping plate (20) end face in left side, outside
The other end of thrust bearing (524) on the left of roller feed (52) is withstood on the cascaded surface (526) of sheave (523), outer groove-wheel
Thrust bearing (524) inner ring on the right side of feed mechanism for seed (52) is enclosed on the face of cylinder of gear wheel (522) right-hand member, external feed (52)
In clamping plate (20) groove on the outer ring insertion right side of the thrust bearing (524) on right side, the thrust on the right side of external feed (52)
One end of bearing (524) withstands on clamping plate (20) end face on right side, the thrust bearing (524) on the right side of external feed (52) it is another
One end is withstood on the cascaded surface (526) of gear wheel (522)；Symmetrical two through holes (20.1) are provided with the clamping plate of left and right two (20),
One end of two screw mandrels (21) is each passed through the corresponding through hole (20.1) on the clamping plate (20) in left side, two screw mandrels (21) it is another
End is each passed through the corresponding through hole (20.1) on the clamping plate (20) on right side, and one end of screw mandrel (21) passes through the clamping plate positioned at left side
(20) clamping plate (20) in left side is fixed the feed screw nut (21.1) before and after, and the other end of screw mandrel (21) passes through positioned at right side
Clamping plate (20) before and after feed screw nut (21.1) clamping plate (20) on right side is fixed, it is fixed after the clamping plate of left and right two
(20) axially position is carried out to the thrust bearing (524) between the clamping plate (20) of left and right two, sheave (523), gear wheel (522), when
When clamping plate (20) is axially moved, thrust bearing (524), sheave (523), gear wheel (522) axial direction in seeds discharging box (521) can be driven
Motion, realizes seeding length adjustment；The each sheave (523) of external feed (52) and the inner ring of gear wheel (522) are respectively mounted
On feed shaft (525), the sheave (523) and gear wheel (522) can follow feed shaft (525) synchronous axial system and can be in feed shafts
(525) slided on；
The amount control system of broadcasting includes control box (9), length adjustment motor (16), rotational speed regulation motor (22) and revolution speed sensing
Device (14), the control box (9) is interior to be provided with the amount of broadcasting enter key (91) and single-chip microcomputer (93), and the speed probe (14) is arranged on
On gauge wheel (2), the tach signal input of the signal output part connection single-chip microcomputer (93) of speed probe (14), single-chip microcomputer
(93) the man-machine interface connection amount of broadcasting enter key (91), the first motor control signal output end connecting length of single-chip microcomputer (93) are adjusted
Save the control signal input of motor (16), the second motor control signal output end connection rotational speed regulation motor of single-chip microcomputer (93)
(22) control signal input；
Length adjustment motor (16) is separately positioned on right plate (10) and left plate (3) with rotational speed regulation motor (22), rotating speed
The rotary shaft of regulation motor (22) connects the left end of feed shaft (525), length adjustment motor by corresponding shaft coupling (17)
(16) coaxially connected by corresponding shaft coupling (17) and cylindrical cam (18), the lateral wall of cylindrical cam (18) is provided with cam path
(18.1), one end of push rod (19) is provided with the sliding block (19.2) being slidably matched with cam path (18.1), the other end of push rod (19)
It is fixed on push rod connecting plate (19.1), push rod connecting plate (19.1) is fixed on the right side folder of rightmost side external feed (52)
On plate (20), when the sliding block (19.2) of push rod (19) is sliding on cam path (18.1), the push rod connecting plate of push rod (19)
(19.1) right side clamping plate (20) translation of rightmost side external feed (52) can be driven, so as to drive each external feed
(52) sheave (523) slides with gear wheel (522) on feed shaft (525), realizes double-run length adjustment.
2. the amount of broadcasting according to claim 1 automatically controls seeder, it is characterised in that：Seeding unit also includes parallel four-bar
Copying spring (55) and suppression copying spring (57)；Parallel four-bar copying spring (55) is articulated in the two of parallelogram lindage (54)
On individual opposed bar, suppression copying spring (57) one end is fixed on press wheel (1), and the other end of suppression copying spring (57) is fixed
On suppression wheel carrier (56).
3. the amount of broadcasting according to claim 1 automatically controls seeder, it is characterised in that：The control box (9) passes through control
Box support (8) is fixed in the first support beam (11), and LCD display (92), the single-chip microcomputer (93) are additionally provided with control box (9)
Display signal output part connection LCD display (92) video signal input terminal, single-chip microcomputer (93) power interface connection lead
Sour battery (15).
4. the amount of broadcasting according to claim 1 automatically controls seeder, it is characterised in that：The speed probe (14) has two
It is individual, it is Hall sensor, gathers the tach signal of two gauge wheels (2) in left and right, gauge wheel (2) and bearing block (208) respectively
It is fixedly connected；Wheel shaft (204) compresses positioning with the bearing fit in bearing block (208) and by end cap (209), makes wheel shaft (204)
It is only capable of rotating in bearing block (208)；Wheel shaft (204) is welded on wheel shaft connecting plate (203)；Wheel shaft connecting plate (203) passes through U
Type card (201) is fixed in square tube (202)；Sensor probe (205) is fixed on wheel shaft (204), and sensor-magnet (206) is solid
It is scheduled on bearing block (208), square tube (202) is fixedly connected with gauge wheel connecting rod (210), is realized and is limited deep profiling, and gauge wheel connects
Extension bar (210) is arranged on the first support beam (11) end, when gauge wheel (2) works, sensor-magnet (206) and bearing block
(208) together rotated around wheel shaft (204), when sensor-magnet (206) and be fixed on sensor probe (205) on wheel shaft (204)
In same axis, sensor probe (205) will record the pulse signal of collection.
5. the amount of broadcasting according to claim 1 automatically controls seeder, it is characterised in that：Sheave (523) and gear wheel (522)
Endoporus is six square holes, and the outer ring of feed shaft (525) is six square axles, and six square borehole jacks of sheave (523) and gear wheel (522) exist
On six square feed shafts (525).
6. the amount of broadcasting according to claim 1 automatically controls seeder, it is characterised in that：The double disk opener (7) is logical
U-shaped card (201) is crossed to be fixed on parallelogram lindage (54).
7. the amount of broadcasting according to claim 4 automatically controls seeder, it is characterised in that：Sensor probe (205) passes through circle
Plate is fixed on wheel shaft (204), and sensor-magnet (206) is fixed on bearing block (208) by plastic cement annulus.
8. the amount of broadcasting according to claim 4 automatically controls seeder, it is characterised in that：The single-chip microcomputer (93) is used for two
The tach signal that individual speed probe (14) transmits is compared, and single-chip microcomputer (93) is by faster tach signal, as control
Length adjustment motor (16) processed and the foundation of rotational speed regulation motor (22), single-chip microcomputer (93) is according to the amount of broadcasting enter key (91) input
The amount of broadcasting, according to the amount of broadcasting and external feed (52) length and the relation of rotating speed of storage, output length adjustment motor (16) control
Signal processed and rotational speed regulation motor (22) control signal.
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| CN201710827660.0A CN107593049B (en) | 2017-09-14 | 2017-09-14 | Seeding machine capable of automatically controlling seeding quantity |
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| CN201710827660.0A CN107593049B (en) | 2017-09-14 | 2017-09-14 | Seeding machine capable of automatically controlling seeding quantity |
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| CN107593049B CN107593049B (en) | 2023-04-07 |
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| CN108064501A (en) * | 2018-01-30 | 2018-05-25 | 河南科技大学 | A kind of intelligence precision drilling fertilizing box |
| CN109076750A (en) * | 2018-10-11 | 2018-12-25 | 长江大学 | A kind of double disc essence amount divider |
| CN109247089A (en) * | 2018-11-26 | 2019-01-22 | 山东国丰机械有限公司 | One seedling band arranges multifunctional corn seeder |
| CN109429623A (en) * | 2018-12-29 | 2019-03-08 | 南京农业大学 | Rice and kernel sowing pressure ditch device |
| CN110024534A (en) * | 2019-04-22 | 2019-07-19 | 中国矿业大学 | Fritillaria thunbergii seeder |
| CN110393061A (en) * | 2019-07-15 | 2019-11-01 | 安徽农业大学 | A kind of line-spacing regulating device for seeder |
| CN114793564A (en) * | 2022-04-14 | 2022-07-29 | 黑龙江省农业机械工程科学研究院 | Automatic seed sorting device and method for cell seeding |
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| CN110393061A (en) * | 2019-07-15 | 2019-11-01 | 安徽农业大学 | A kind of line-spacing regulating device for seeder |
| CN114793564A (en) * | 2022-04-14 | 2022-07-29 | 黑龙江省农业机械工程科学研究院 | Automatic seed sorting device and method for cell seeding |
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