CN108848817A - Suppending cup type profiling transplanter - Google Patents

Suppending cup type profiling transplanter Download PDF

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Publication number
CN108848817A
CN108848817A CN201811020057.2A CN201811020057A CN108848817A CN 108848817 A CN108848817 A CN 108848817A CN 201811020057 A CN201811020057 A CN 201811020057A CN 108848817 A CN108848817 A CN 108848817A
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CN
China
Prior art keywords
profiling
unit
supporting plate
cup type
parallelogram lindage
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201811020057.2A
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Chinese (zh)
Inventor
颜华
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Chinese Academy of Agricultural Mechanization Sciences
Modern Agricultural Equipment Co Ltd
Original Assignee
Chinese Academy of Agricultural Mechanization Sciences
Modern Agricultural Equipment Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Chinese Academy of Agricultural Mechanization Sciences, Modern Agricultural Equipment Co Ltd filed Critical Chinese Academy of Agricultural Mechanization Sciences
Priority to CN201811020057.2A priority Critical patent/CN108848817A/en
Publication of CN108848817A publication Critical patent/CN108848817A/en
Pending legal-status Critical Current

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Classifications

    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01CPLANTING; SOWING; FERTILISING
    • A01C11/00Transplanting machines
    • A01C11/02Transplanting machines for seedlings

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  • Life Sciences & Earth Sciences (AREA)
  • Soil Sciences (AREA)
  • Environmental Sciences (AREA)
  • Transplanting Machines (AREA)

Abstract

The present invention discloses a kind of suppending cup type profiling transplanter, it includes rack and the power unit being connected in the rack, plant unit, throws and lead seedling unit, compacting unit and walking unit, it further includes the profiling unit being connected in the rack, the profiling unit includes parallelogram lindage and profiling supporting plate mechanism, the plant unit is fixed on the swinging end of the parallelogram lindage, and the profiling supporting plate mechanism is connected with the swinging end of the parallelogram lindage.Suppending cup type profiling transplanter of the invention incudes the soil height on the ground of plantation to be transplanted by profiling supporting plate mechanism, adjusting rod is driven to push and pull copying valve, it controls that hydraulic cylinder is flexible, so that plant is planted unit and float up and down to guarantee the consistency of the depth of planting, and is compact integral structure, easy to adjust.

Description

Suppending cup type profiling transplanter
Technical field
The present invention relates to a kind of transplanters, specifically, being to be related to a kind of suppending cup type profiling transplanter.
Background technique
Seedling transplanting technique can make full use of sunlight-heat reaources, improve Cultivation in Multiple Cropping Systems index, effectively improve crop yield, with Artificial transplanting cost gradually increases, and transplanting machine is rapidly developed.Wherein, depth of planting consistency directly affects crop shifting Quality is planted, is one of the important indicator of machine performance detection.Domestic market has the transplanter planted and controlled deeply and mostly uses list Hingedly, the passive mechanical profiling of spring composition, by balancing spring pulling force, equipment gravity and soil to gauge wheel support force Realize depth of planting control.Such transplanter is mostly the open countrys such as chain-clip type, seedling guide tube type trench digging transplanting machine, is not suitable on film Operation.
Summary of the invention
The object of the present invention is to provide a kind of suppending cup type profiling transplanters, and it is presetting to guarantee to carry out profiling by profiling unit The depth of planting, and structure is simple.
To achieve the goals above, suppending cup type profiling transplanter of the invention, including rack and be connected to described Power unit in rack, plant unit are thrown and lead seedling unit, compacting unit and walking unit, further include be connected to it is described Profiling unit in rack, the profiling unit include parallelogram lindage and profiling supporting plate mechanism, and the plant unit is fixed On the swinging end of the parallelogram lindage, the profiling supporting plate mechanism is connected with the swinging end of the parallelogram lindage It connects.
In one embodiment of above-mentioned suppending cup type profiling transplanter, the profiling supporting plate mechanism includes profiling supporting plate and company Extension bar, the profiling supporting plate connect the swinging end of the parallelogram lindage by the connecting rod.
In one embodiment of above-mentioned suppending cup type profiling transplanter, the profiling supporting plate mechanism further includes adjusting rod, institute Stating profiling supporting plate includes supporting plate hinged end and supporting plate swinging end, and the supporting plate hinged end connects the connecting rod, the supporting plate pendulum Moved end connects the adjusting rod, drives the profiling supporting plate to be turned centered on the supporting plate hinged end by the adjusting rod It is dynamic.
In one embodiment of above-mentioned suppending cup type profiling transplanter, the adjusting rod includes adjusting the body of rod, spring and bullet Spring positioning sleeve, the spring and spring positioning set are socketed in respectively on the adjusting body of rod.
In one embodiment of above-mentioned suppending cup type profiling transplanter, the profiling unit further includes supporting beam, the cultivation Plant the swinging end that unit is connected to the parallelogram lindage by the supporting beam.
In one embodiment of above-mentioned suppending cup type profiling transplanter, the parallelogram lindage is two and erects parallel Setting, the plant unit are connected between two parallelogram lindages.
In one embodiment of above-mentioned suppending cup type profiling transplanter, the profiling unit further includes supporting beam, the branch Support beam is connected between the swinging end of two parallelogram lindages.
In one embodiment of above-mentioned suppending cup type profiling transplanter, the power unit includes hydraulic cylinder, the liquid Compressing cylinder is connected between the rack and the swinging end of the parallelogram lindage.
In one embodiment of above-mentioned suppending cup type profiling transplanter, the power unit includes hydraulic pump, hydraulic motor, The hydraulic motor drives the plant unit.
In one embodiment of above-mentioned suppending cup type profiling transplanter, the height manipulation of the plant unit passes through hydraulic dynamic Power unit can be divided into manual, automatic two states:Manual manipulation state passes through the lifting of manual operation control profiling elevating mechanism With it is locked;Automatic profiling state, machine is in running order, and the floating copying for controlling profiling elevating mechanism by copying valve is dynamic Make.
In one embodiment of above-mentioned suppending cup type profiling transplanter, the compacting unit includes profiling press wheel, described Profiling press wheel is connected on the swinging end of the parallelogram lindage.
In one embodiment of above-mentioned suppending cup type profiling transplanter, the profiling press wheel includes counterweight.
In one embodiment of above-mentioned suppending cup type profiling transplanter, the walking mechanism includes traveling wheel and adjusting branch Frame, the traveling wheel are connected in the rack by the adjusting bracket, and the adjusting bracket includes multiple installation and adjustment holes.
Beneficial functional of the invention is that suppending cup type profiling transplanter of the invention is incuded by profiling supporting plate mechanism wait move The soil for planting the ground planted just, drives adjusting rod push-and-pull copying valve control hydraulic cylinder is flexible plant unit is made to float up and down To guarantee the consistency of the depth of planting, and it is compact integral structure, easy to adjust.
Below in conjunction with the drawings and specific embodiments, the present invention will be described in detail, but not as a limitation of the invention.
Detailed description of the invention
Fig. 1 is the structure of the main view of an embodiment of suppending cup type profiling transplanter of the invention;
Fig. 2 is the structure schematic top plan view of an embodiment of suppending cup type profiling transplanter of the invention;
Fig. 3 is the partial enlarged view of Fig. 1;
Fig. 4 is the structural schematic diagram of an embodiment of suppending cup type profiling transplanter of the invention;
Fig. 5 is the structural schematic diagram of an embodiment of suppending cup type profiling transplanter of the invention.Wherein, appended drawing reference
10:Suppending cup type profiling transplanter
100:Rack
200:Power unit
210:Hydraulic cylinder
220:Hydraulic motor
230:Hydraulic pump
300:Transplant unit
400:Seedling unit is led in throwing
500:It is compacted unit
510:Profiling press wheel
520:Profiling swing rod
530:Limit base
540:Weight linear meter
600:Walking unit
610:Traveling wheel
620:Adjusting bracket
621:Installation and adjustment hole
700:Profiling unit
710:Parallelogram lindage
711:First parallel bar
712:Second parallel bar
713:Oscillating rod
710A:First parallelogram lindage
710B:Second parallelogram lindage
720:Profiling supporting plate mechanism
721:Profiling supporting plate
721A:Supporting plate hinged end
721B:Supporting plate swinging end
722:Connecting rod
723:Adjusting rod
724:Copying valve
730:Supporting beam
Specific embodiment
Technical solution of the present invention is described in detail in the following with reference to the drawings and specific embodiments, to be further understood that The purpose of the present invention, scheme and effect, but it is not intended as the limitation of scope of the appended claims of the present invention.
It is directed to the reference of " embodiment ", " another embodiment ", " the present embodiment " etc. in specification, refers to the reality of description Applying example may include specific feature, structure or characteristic, each embodiment of but not must comprising these special characteristics, structure or Characteristic.In addition, such statement not refers to the same embodiment.Further, describe in conjunction with the embodiments specific feature, When structure or characteristic, regardless of either with or without specific description, it has been shown that such feature, structure or characteristic are integrated to other realities Apply in example is in the knowledge of those skilled in the range.
Some vocabulary is used in specification and following claims to censure specific components or component, this field The member of ordinary skill, it is to be appreciated that technology user or manufacturer can be different noun or term come call the same component or Component.This specification and following claims not in such a way that the difference of title is as component or component is distinguished, and It is the criterion with component or component difference functionally as differentiation.In specification in the whole text and subsequent claim Mentioned " comprising " and "comprising" is an open term, therefore should be construed to " including but not limited to ".In addition, " connection " One word includes any direct and indirect connection means herein.
It should be noted that in the description of the present invention, such as occur term " transverse direction ", " longitudinal direction ", "upper", "lower", " preceding ", The orientation or positional relationship of the instructions such as " rear ", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" be based on Orientation or positional relationship shown in the drawings, is merely for convenience of description of the present invention and simplification of the description, and is not indication or suggestion institute The device or element of finger must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as to this hair Bright limitation." first ", " second ", " third ", the order term such as " the 4th " to be addressed herein convenient for clear explanation are to be used for By element, region, partially with another the same or similar element, region, partially distinguish, rather than it is specific to limit Element, region, part.
As shown in Figure 1 to Figure 3, suppending cup type profiling transplanter 10 of the invention includes rack 100, power unit 200, plant Unit 300, throwing lead seedling unit 400, compacting unit 500, walking unit 600 and profiling unit 700, wherein power unit 200, unit 300 is transplanted, seedling unit 400 is led in throwing, compacting unit 500, walking unit 600 and profiling unit 700 are separately connected In rack 100, it can disposably complete to throw and lead a series of actions such as seedling, profiling, plant and compacting.
Wherein, profiling unit 700 includes parallelogram lindage 710 and profiling supporting plate mechanism 720, and plant unit 300 is fixed On the swinging end of parallelogram lindage 710, profiling supporting plate mechanism 720 is connected with the swinging end of parallelogram lindage 710.It is imitative The soil height on the ground of 720 pairs of shape supporting plate mechanism transplanting plantations carries out profiling, and power unit 200 passes through profiling supporting plate mechanism 720 profiling result drives the swinging end of parallelogram lindage 710 to be risen or fallen accordingly, and then makes to transplant unit 300 keep identical difference in height with the soil height on the ground of plantation to be transplanted, guarantee the consistency of the depth of planting.
Power unit 200 provides power, power unit 200 for the movement of the plant unit 300 and profiling unit 700 of equipment For hydraulic system, i.e. the source that is used as power of plant unit 300 and profiling unit 700 is hydraulic system.
Power unit 200 includes hydraulic cylinder 210, and hydraulic cylinder 210 is connected to rack 100 and parallelogram lindage 710 Swinging end between, hydraulic cylinder 210 control plant unit 300 lifting realize profiling movement.Specifically, when profiling supporting plate machine When the soil height that structure 720 treats the ground of transplanting plantation carries out profiling, connecting rod is driven to push and pull hydraulic valve, controls hydraulic cylinder 210 shorten or extend with the soil height on the ground of plantation to be transplanted, to make the pendulum for being connected to parallelogram lindage 710 The plant unit 300 of moved end rises or falls.
Power unit 200 further includes hydraulic pump 230, hydraulic motor 220, and the driving plant unit 300 of hydraulic motor 220 carries out Plant movement.Specifically, hydraulic motor 220 transplants unit 300 by drivings such as chain conveyer, reversing box and universal drive shafts Realize that plant movement, driving throwing lead seedling unit 400 and realize that seedling orderly falls into plant unit 300, wherein 220 turns of hydraulic motor Speed can be controlled by control valve, and then can be according to different agriculture requirement adjusting planting distances.
Wherein, suppending cup type profiling transplanter 10 of the invention is generally dragged by trailing equipment (such as tractor), is led It is the hydraulic system of power unit 200 that the power output shaft for drawing equipment, which drives 10 hydraulic pump of suppending cup type profiling transplanter of the invention, Oil sources is provided.
Specifically, parallelogram lindage 710 includes the first parallel bar 711, the second parallel bar 712 and oscillating rod 713, One end of first parallel bar 711 and the second parallel bar 712 is hingedly connected in rack 100, and oscillating rod 713 is hingedly connected to The other end of first parallel bar 711 and the second parallel bar 712.Wherein, the first parallel bar 711 and the second parallel bar 712 are mutual It in parallel and is hingedly connected in rack 100 up and down, the swinging end of parallelogram lindage 710 is the position where oscillating rod 713 It sets.Hydraulic cylinder 210 changes the height of the oscillating rod 713 of parallelogram lindage 710 by the profiling of profiling supporting plate mechanism 720, And the plant unit 300 for being connected to swinging end generates change with the height change of the oscillating rod 713 of parallelogram lindage 710 Change, to achieve the effect that profiling.
In one embodiment of this invention, parallelogram lindage is that structure size is identical and two symmetrically arranged, plant Unit is connected between two parallelogram lindages.Specifically, as illustrated in fig. 1 and 2, parallelogram lindage 710 includes first Parallelogram lindage 710A and the second parallelogram lindage 710B, the first parallelogram lindage 710A and the second parallelogram lindage 710B setting is arranged in parallel and the two has certain spacing, so that plant unit 300 is enclosed in centre, effectively reduces vertical To length, keep implement structure more compact.
Wherein, profiling unit 700 further includes supporting beam 730, and plant unit 300 is connected to parallel four by supporting beam 730 The swinging end of linkage 710.Specifically, supporting beam 730 is connected to the oscillating rod and second of the first parallelogram lindage 710A Between the oscillating rod of parallelogram lindage 710B, and stretched out at spacing between the two.First parallelogram lindage 710A and Plant unit 300 between second parallelogram lindage 710B has two groups of duck-beak type planting apparatuses, can once transplant two rows, machine Have overall structure balance, is compact.
As shown in figure 3, profiling supporting plate mechanism 720 includes profiling supporting plate 721 and connecting rod 722, profiling supporting plate 721 passes through company Extension bar 722 is connected to the swinging end of parallelogram lindage 710, and alternatively, profiling supporting plate 721 is connected to by connecting rod 722 Between the ground and supporting beam 730 of plantation to be transplanted.By the supporting role of hydraulic cylinder 210, profiling supporting plate 721 is in equipment work It is attached to always when making on the ground of plantation to be transplanted.In addition, profiling supporting plate mechanism 720 further includes adjusting rod 723 and copying valve 724, according to surface soil height change, the hinged end rotation of profiling supporting plate 721 drives adjusting rod 723 to push and pull copying valve 724, control Hydraulic cylinder 210 processed is elongated or shortened to adjust the height on the ground of 730 distance of supporting beam plantation to be transplanted.
Wherein, the profiling supporting plate 721 of profiling supporting plate mechanism 720 includes supporting plate hinged end 721A and supporting plate swinging end 721B, That is, ground inclination of the profiling supporting plate 721 with respect to plantation to be transplanted is arranged, and supporting plate swinging end 721B is attached wait transplant kind The ground of plant, supporting plate hinged end 721A have a certain distance with respect to the ground of plantation to be transplanted.In addition, connecting rod 722 hingedly connects It connects on the 721A of supporting plate hinged end, adjusting rod 723 is hingedly connected on supporting plate swinging end 721B, is driven by adjusting rod 723 imitative Shape supporting plate 721 is whole to be rotated centered on the 721A of supporting plate hinged end, so be capable of the lowest point of presetting profiling supporting plate 721 with Transplant the distance between the lowest point of planting apparatus of unit 300, that is, the presetting target depth of planting.
Specifically, in conjunction with Fig. 4, adjusting rod 723 includes adjusting body of rod 723A, spring 723B and spring positioning to cover 723C, Spring 723B and spring positioning set 723C are socketed in adjust on body of rod 723A respectively.Adjustment spring positioning sleeve 723C is in the adjusting body of rod The position of 723A, the lowest point of profiling supporting plate 721 and plant unit 300 when being started working with presetting profiling supporting plate mechanism 720 The distance between minimum planting apparatus H as shown in Figure 4 be the presetting depth of planting.
In conjunction with Fig. 1 and Fig. 5, being compacted unit 500 includes profiling press wheel 510, and profiling press wheel 510 is connected to parallel four-bar On the swinging end of mechanism 710, profiling press wheel 510 is connected in supporting beam 730 in other words.Specifically, profiling press wheel 510 are articulated and connected by the swinging end of profiling swing rod 520 and parallelogram lindage 710, can be in 720 profiling of profiling supporting plate mechanism On the basis of carry out profiling suppression.In addition, the lower end of profiling swing rod 520 is equipped with limit base 530, to control profiling swing rod 520 Full swing angle.
Wherein compacting unit 500 further includes counterweight, and the adjustment of weight by controlling counterweight suppresses effect.In this implementation In example, a weight linear meter 540 is connected on profiling press wheel 510, counterweight is socketed on weight linear meter 540, can be simply and easily Adjust the weight of counterweight.
Walking mechanism 600 includes traveling wheel 610 and adjusting bracket 620, and traveling wheel 610 is connected to by adjusting bracket 620 In rack 100, adjusting bracket 620 includes multiple installation and adjustment holes 621.In the present embodiment, adjusting bracket 620 is, for example, rectangle Pipe, installation and adjustment hole 621 is multiple pin holes on rectangular tube, by the way that traveling wheel 610 is mounted on the different of adjusting bracket 620 It is high to adapt to the ridge on the ground of different plantations to be transplanted on installation and adjustment hole 621.
The course of work of suppending cup type profiling transplanter 10 of the invention is:
Before work, the cultivation of the profiling supporting plate 721 and plant unit 300 of deep presetting profiling supporting plate mechanism 720 is planted according to target The relative altitude of device is planted, and the step-less adjustment that control valve carries out spacing in the rows is adjusted according to required spacing in the rows.When work, it is seated at machine two sides Throwing seedling hand be respectively that double throwing seedling cylinder throws seedling, it is mobile around fixation locus with chain to throw seedling cylinder, while planting apparatus is revolved around installation point Turn that duckbilled planting apparatus is driven to realize trochoid motion.When double throwing seedling cylinder reaches fixed throwing seedling position, Internal and external cycle is respectively a left side Right side duckbilled planting apparatus is laterally for seedling, and under the action of self-weight, planting apparatus completes seedlings picking movement.When duckbilled planting apparatus moves to cultivation Point is planted, convex block controls duckbilled and opens, and rice shoot falls into pocket, under reflux soil and profiling press wheel collective effect, completes primary Rice shoot is colonized operation.
In operation process, profiling supporting plate 721 incudes the soil surface fluctuations on the ground of plantation to be transplanted in real time, and leads to It is flexible to control hydraulic cylinder 210 that toning pole 723 pushes and pulls hydraulic valve core, drives parallelogram lindage 710 to swing, makes profiling support The relative altitude of plate 721 and planting apparatus is restored to presetting distance, to realize that transplanter transplants the profiling of operation dynamic, guarantees plant Depth consistency.
Transplanter of the present invention drives planting apparatus lifting action using mechanical sensing, hydraulic system, and realization is planted deep imitative Shape automatically controls, and is applicable to operation on open country and film.
In the present invention, planting apparatus drives reversing box and universal drive shaft to drive by hydraulic motor, can guarantee biggish The steady operation of planting apparatus under amplitude of fluctuation.General transplanter is driven using sprocket, and transmission ratio is fixed, and is changed spacing in the rows and is needed replacing Sprocket wheel, operation is relatively cumbersome, which can control planting apparatus revolving speed by adjusting the corresponding control valve of hydraulic motor, realizes strain Away from adjusting;Cup/duck-beak type planting apparatus is hung in the every side of planting mechanism at most configurable 6, and can satisfy higher planting speed needs It asks.In addition, dropping seedling mechanism is arranged in planting mechanism back upper place, there are multiple throwing seedling cylinders that can store multiple pot seedlings, energy in advance thereon Enough effectively reduce labor intensity of workers.
Certainly, the present invention can also have other various embodiments, without deviating from the spirit and substance of the present invention, ripe It knows those skilled in the art and makes various corresponding changes and modifications, but these corresponding changes and change in accordance with the present invention Shape all should fall within the scope of protection of the appended claims of the present invention.

Claims (10)

1. a kind of suppending cup type profiling transplanter, including rack and the power unit being connected in the rack, plant list Member throws and leads seedling unit, compacting unit and walking unit, which is characterized in that further includes the profiling list being connected in the rack Member, the profiling unit include parallelogram lindage and profiling supporting plate mechanism, and the plant unit is fixed on the parallel four-bar On the swinging end of mechanism, the profiling supporting plate mechanism is connected with the swinging end of the parallelogram lindage.
2. suppending cup type profiling transplanter according to claim 1, which is characterized in that the profiling supporting plate mechanism includes profiling Supporting plate and connecting rod, the profiling supporting plate connect the swinging end of the parallelogram lindage by the connecting rod.
3. suppending cup type profiling transplanter according to claim 2, which is characterized in that the profiling supporting plate mechanism further includes adjusting Pole, the profiling supporting plate include supporting plate hinged end and supporting plate swinging end, and the supporting plate hinged end connects the connecting rod, described Supporting plate swinging end connects the adjusting rod.
4. suppending cup type profiling transplanter according to claim 3, which is characterized in that the adjusting rod include adjust the body of rod, Spring and spring positioning set, the spring and spring positioning set are socketed in respectively on the adjusting body of rod.
5. suppending cup type profiling transplanter according to claim 1, which is characterized in that the profiling unit further includes support Beam, the plant unit are connected to the swinging end of the parallelogram lindage by the supporting beam.
6. suppending cup type profiling transplanter according to claim 1, which is characterized in that the parallelogram lindage be two and Setting is arranged in parallel, and the plant unit is connected between two parallelogram lindages.
7. suppending cup type profiling transplanter according to any one of claims 1 to 6, which is characterized in that the power unit packet Hydraulic cylinder is included, the hydraulic cylinder is connected between the rack and the swinging end of the parallelogram lindage.
8. suppending cup type profiling transplanter according to any one of claims 1 to 6, which is characterized in that the power unit packet Hydraulic motor is included, the hydraulic motor drives the plant unit.
9. suppending cup type profiling transplanter according to any one of claims 1 to 6, which is characterized in that the compacting unit packet Profiling press wheel is included, the profiling press wheel is connected on the swinging end of the parallelogram lindage.
10. suppending cup type profiling transplanter according to any one of claims 1 to 6, which is characterized in that the walking mechanism packet Traveling wheel and adjusting bracket are included, the traveling wheel is connected in the rack by the adjusting bracket, the adjusting bracket packet Include multiple installation and adjustment holes.
CN201811020057.2A 2018-09-03 2018-09-03 Suppending cup type profiling transplanter Pending CN108848817A (en)

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CN109348798A (en) * 2018-12-18 2019-02-19 重庆科技学院 A kind of real-time automatic copying device of multipurpose ground
JP2022044309A (en) * 2020-09-07 2022-03-17 井関農機株式会社 Transplanter
CN115553137A (en) * 2022-06-30 2023-01-03 宁夏农林科学院枸杞科学研究所 Double row medlar seedling planting machine

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109348798A (en) * 2018-12-18 2019-02-19 重庆科技学院 A kind of real-time automatic copying device of multipurpose ground
CN109348798B (en) * 2018-12-18 2023-09-22 重庆科技学院 Multipurpose real-time ground automatic profiling device
JP2022044309A (en) * 2020-09-07 2022-03-17 井関農機株式会社 Transplanter
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CN115553137A (en) * 2022-06-30 2023-01-03 宁夏农林科学院枸杞科学研究所 Double row medlar seedling planting machine

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