CN105638040A - No-tillage planter capable of realizing straw cleaning - Google Patents

No-tillage planter capable of realizing straw cleaning Download PDF

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Publication number
CN105638040A
CN105638040A CN201610007245.6A CN201610007245A CN105638040A CN 105638040 A CN105638040 A CN 105638040A CN 201610007245 A CN201610007245 A CN 201610007245A CN 105638040 A CN105638040 A CN 105638040A
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CN
China
Prior art keywords
driving shaft
careless
seeding machine
frame
speed
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Pending
Application number
CN201610007245.6A
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Chinese (zh)
Inventor
高娜娜
孟志军
武广伟
卢彩云
付卫强
董建军
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Beijing Research Center of Intelligent Equipment for Agriculture
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Beijing Research Center of Intelligent Equipment for Agriculture
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 Beijing Research Center of Intelligent Equipment for Agriculture filed Critical Beijing Research Center of Intelligent Equipment for Agriculture
Priority to CN201610007245.6A priority Critical patent/CN105638040A/en
Publication of CN105638040A publication Critical patent/CN105638040A/en
Pending legal-status Critical Current

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    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01CPLANTING; SOWING; FERTILISING
    • A01C7/00Sowing
    • A01C7/06Seeders combined with fertilising apparatus
    • GPHYSICS
    • G05CONTROLLING; REGULATING
    • G05BCONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B19/00Programme-control systems
    • G05B19/02Programme-control systems electric
    • G05B19/04Programme control other than numerical control, i.e. in sequence controllers or logic controllers
    • G05B19/05Programmable logic controllers, e.g. simulating logic interconnections of signals according to ladder diagrams or function charts

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  • Life Sciences & Earth Sciences (AREA)
  • Soil Sciences (AREA)
  • Environmental Sciences (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Sowing (AREA)

Abstract

The invention relates to the technical field of agricultural machinery and in particular relates to a no-tillage planter capable of realizing straw cleaning. The no-tillage planter comprises a rack, and a grass removing device, a ground wheel, a speed measuring device, a speed regulating system and fertilization mechanisms which are arranged on the rack, wherein the grass removing device and the ground wheel are arranged at the two ends of the rack respectively; the fertilization mechanisms are uniformly arranged on the rack along sowing line spacing; the grass removing device is arranged between the adjacent fertilization mechanisms; the speed measuring device comprises a sensor for measuring a rotary speed of the wheel; the grass removing device comprises a driving shaft and a grass removing elastic claw; the grass removing elastic claw rotates around the axis of the driving shaft; and the speed regulating system is connected with the sensor and the driving shaft respectively. According to the no-tillage planter capable of realizing the straw cleaning, provided by the invention, the working speed is determined according to a ground wheel advance speed measured by the speed measuring device; straws are cleaned between seed rows, and good ground surface conditions are provided for fertilization and sowing; and the no-tillage planter has the advantages of simple structure and good working quality.

Description

A kind of no-tillage seeding machine of realizing stalk cleaning
Technical field
The present invention relates to agricultural machinery technological field, particularly relate to one and can realize stalk cleaningNo-tillage seeding machine, no-tillage the broadcasting of the stalk the realized cleaning that a kind of operation quality that concrete is is goodThe machine of kind.
Background technology
Existing No-tillage Maize Planter is in the time of wheat stalk ground upper seeding wheel, due to the stalk of not pulverizingWinding or accumulation usually cause seeder blocked, and no-tillage seeding Treating straw stops up both at home and abroadMode mainly contains two kinds, and the one, adopt cut-off type anti-block apparatus, as disk knife is cut a batch device, sawSerrated knife formula is cut a batch device, rotating knife type stubble remover etc., and its operation principle is to utilize rotation working partCutting edge cut off cover layer, output gap, ensure that plough passes through smoothly, the 2nd, adopt separatelyType anti-block apparatus, as shovel formula stubble remover, rotation V shape grass divider, pin gear-type grass divider etc.,Its operation principle is to utilize the mode such as sweep, dial, stream to remove planter front stalk layer.
China's Wheat Maize two crops a year growing area is in order to fight for farming season, the same day after harvesting wheatOr within second day, carry out the sowing of the no-tillage subsides stubble of corn, when overlay capacity exceedes 6000kg/hm2Shi Xinxian wheatThe easy winding work parts of stalk cause seeder to stop up, due to less use in plot, this area moreThe middle-size and small-size No-tillage Maize Planter that 3-6 is capable, facility lighter weight, cut-off type anti-block apparatus is difficult toCut thick stalk layer, and a point open form anti-block apparatus does not possess power input, it is passive only to rely onEffect has little time stalk to clear out of seeding belt, causes seed to be broadcast on stalk, cannot germinate,Reduce output.
Through the representative Wheat Maize such as China Hebei, Shandong, Henan is yielded two crops a year and makes district's jadeRice is no-tillage, and Current Situation Investigation is found, substantially has two kinds of situations: the agricultural machinery cooperation after land transformationThe tissue large-scale seeders that use external import, utilize facility to conduct oneself with dignity straw cutting more, createClean kind of bed, but import facility price is high, needs supporting big-powered tractor, is not suitable for peasant household and makesWith; Domestic small corn planter is widely used in peasant household's production, mainly adopts passive typeAnti-jamming mechanism, needs a people to follow seeder and observes operation situation when operation, while finding to stop up, shut downArtificial treatment, has seriously reduced operating efficiency. And seed-fertilizer applying consumption is large when China's corn seeding,Requirement seed manure gives, and needs to adopt side deep fertilizing to avoid burning and plants, and therefore, seeder is except having cleaningOutside the function of stalk, also should meet out the demand of fertile ditch.
Summary of the invention
(1) technical problem that will solve
When the technical problem to be solved in the present invention is existing apparatus operation, needing a people to follow seeder seesExamine operation situation, find to shut down artificial treatment while obstruction, seriously reduced operating efficiency. And IWhen state corn seeding, seed-fertilizer applying consumption is large, requires seed manure to give, and needs to adopt side deep fertilizing avoid burningKind, therefore, seeder, except having the function of cleaning stalk, also should meet out the need of fertile ditchThe problem of asking.
(2) technical scheme
In order to solve the problems of the technologies described above, the invention provides a kind of exempting from of stalk cleaning of realizingPlough seeder, this no-tillage seeding machine that can realize stalk cleaning comprises frame, and is arranged at frameOn dial careless device, land wheel, speed measuring device, governing system and fertilizing mechanism; Described group of grass dressPut and land wheel is arranged at respectively the two ends of frame, described fertilizing mechanism evenly arranges along sowing line-spacingIn described frame, described group of careless device is arranged between adjacent described fertilizing mechanism, described inVelocity-measuring system comprises the sensor for measuring vehicle wheel rotational speed, and described group of careless device comprises driving shaftAnd dial careless elastic claw, described group of careless elastic claw rotates around the axis of described driving shaft, described governing systemBe connected with described sensor and driving shaft respectively.
Preferably, described governing system comprises hydraulic motor and is in transmission connection with described driving shaftPower transmission shaft, power transmission shaft rotates described in described fluid motor-driven.
Preferably, described governing system also comprises PLC controller and encoder, described sensorAnd the output of encoder is connected with the input of described PLC controller respectively, described PLC controlThe output of device processed is connected with the input of described hydraulic motor, the output of described hydraulic motorBe connected with the input of described encoder.
Preferably, described group of careless device also comprises tube connector and driven wheel, described tube connector edgeCircumferentially being arranged on described driving shaft of described driving shaft, described group of careless elastic claw is arranged at described companyIn adapter, described driving shaft is connected with described transmission shaft driven by described driven wheel.
Preferably, described fertilizing mechanism comprises applicator boot, described applicator boot with described inDistance between driving shaft is not less than the described radius of a circle that careless elastic claw rotation forms of dialling.
Preferably, described applicator boot is cutaway disk formula applicator boot.
Preferably, described speed measuring device also comprises the speed measuring fluted disc with the coaxial setting of described land wheel,The setting corresponding to described speed measuring fluted disc of described sensor.
Preferably, described sensor is arranged in described frame by fixed mount, described sensorWith the distance of described speed measuring fluted disc be 5mm-15mm.
Preferably, also comprise the planter being arranged in frame, described planter comprises to be broadcastKind of plough and dispenser, dispenser seeding described in described ground wheel drive.
Preferably, described planter is arranged in frame by parallel four connecting rods.
(3) beneficial effect
Technique scheme tool of the present invention has the following advantages: the stalk of realizing of the present invention is cleared upNo-tillage seeding machine in the two ends of dialling careless device and land wheel and be arranged at respectively frame, fertilizing mechanismEvenly be arranged in frame along sowing line-spacing, dial careless device and be arranged between adjacent fertilizing mechanism,Velocity-measuring system comprises the sensor for measuring vehicle wheel rotational speed, dials careless device and comprises driving shaft and dialGrass elastic claw, dials careless elastic claw and rotates around the axis of driving shaft, and governing system is respectively with sensor and driveMoving axis connects. The operating rate of dialling careless device that realizes stalk cleaning of the present invention by speed governing isThe land wheel pace that system records according to speed measuring device determines, stalk cleaning is to planting in the ranks, realThe requirement of existing conservation tillage to surface ground coverage is fertilising and the good earth's surface bar of sowing creationPart, improves soil water utilization rate; Have advantages of simple in structure and operation quality good.
Brief description of the drawings
Fig. 1 is that the Facad structure that the embodiment of the present invention can realize the no-tillage seeding machine of stalk cleaning showsIntention;
Fig. 2 is that the side structure that the embodiment of the present invention can realize the no-tillage seeding machine of stalk cleaning showsIntention;
Fig. 3 is that the embodiment of the present invention can realize speed governing connection box in the no-tillage seeding machine of stalk cleaningFigure.
In figure: 1: frame; 2: land wheel; 3: dial careless device; 301: tube connector; 302: dialGrass elastic claw; 304: driven wheel; 303: driving shaft; 4: speed measuring device; 401: tooth tests the speedDish; 402: sensor; 403: fixed mount; 5: governing system; 6: fertilizing mechanism; 501:Hydraulic motor; 502: encoder; 503: power transmission shaft; 601: applicator boot; 602: GuDetermine device; 7: planter; 701: seed opener; 702: parallel four connecting rods; 703:Dispenser.
Detailed description of the invention
For making object, technical scheme and the advantage of the embodiment of the present invention clearer, will tie belowClose the accompanying drawing in the embodiment of the present invention, to the technical scheme in the embodiment of the present invention carry out clear,Intactly describe, obviously, described embodiment is a part of embodiment of the present invention, and notWhole embodiment. Based on the embodiment in the present invention, those of ordinary skill in the art are not havingThere is the every other embodiment obtaining under the prerequisite of making creative work, all belong to the present inventionThe scope of protection.
As shown in Figure 1 to Figure 3, it is no-tillage that the stalk realized that the embodiment of the present invention provides is cleared upSeeder, comprises frame 1, and be arranged in frame 1 dial careless device 3, land wheel 2, test the speedDevice 4, governing system 5 and fertilizing mechanism 6; The described group of careless device 3 and land wheel 2 arrange respectivelyIn the two ends of frame, as shown in Figure 2, the front end that group careless device 3 is arranged at seeder is left end,The rear end that land wheel 2 is arranged at seeder is right-hand member, and described fertilizing mechanism 6 is even along sowing line-spacingBe arranged in frame 2, and between described group of careless device 3 and described land wheel 2, described groupGrass device 3 is arranged between adjacent described fertilizing mechanism 6, and described velocity-measuring system 4 comprises useIn the sensor 402 of measuring vehicle wheel rotational speed, described group of careless device 3 comprises driving shaft 303 and dials grassElastic claw 302, the described group of careless elastic claw 302 rotates around the axis of described driving shaft 303, around verticallyDirection is rotated, and described governing system 5 is connected with described sensor 402 and driving shaft 303 respectively.
The operating rate of dialling careless device that realizes stalk cleaning of the present invention is by governing system basisThe land wheel pace that speed measuring device records determines, stalk cleaning, to planting in the ranks, is realized to protectionProperty the requirement of farming to surface ground coverage, and the amount of breaking ground is few when operation, improves soil water utilizationRate, reaches the object of water-retaining effect; For fertilising and the good surface conditions of sowing creation, break throughNo-till maize stops up and causes the poor problem of operation quality at present; There is simple in structure and operationThe measured advantage of matter.
Governing system described in the present invention comprises hydraulic motor 501 and passes with described driving shaft 303The power transmission shaft 503 being dynamically connected, described hydraulic motor 501 drives described power transmission shaft 503 to rotate.
For hydraulic motor rotary speed being fed back to System Assurance output speed and seeder paceCoupling, governing system described in the present embodiment also comprises PLC controller and encoder 502,The output of described sensor and encoder 502 connects with the input of described PLC controller respectivelyConnect, the output of described PLC controller is connected with the input of described hydraulic motor 501, instituteThe output of stating hydraulic motor 501 is connected with the input of described encoder 502. Speed measuring device 4Form a closed-loop path with governing system 5, land wheel 2 rotating speeds that speed measuring device 4 records are real-timeBe sent to governing system 5, rotate encoder 502 by hydraulic valve control hydraulic motor 501The motor rotary speed recording is fed back to governing system 5, ensure that hydraulic motor 501 is according to defaultSpeed operation.
Described in the present embodiment, dial careless device 3 and also comprise tube connector 301 and driven wheel 304, instituteState tube connector 301 along on the described driving shaft 303 of being circumferentially arranged at of described driving shaft 303, instituteState group careless elastic claw 302 and be arranged on described tube connector 301, described in described driving shaft 303 passes throughDriven wheel 304 is in transmission connection with described power transmission shaft 503. A set of group of careless device 3 comprises 4-7Group is the careless elastic claw 302 of dialling of even circle distribution, and driving shaft 303 is by the driven wheel 304 on topDrive, in the time that power transmission shaft 503 rotates under the driving of hydraulic motor 501, driving shaft 303 willDrive group careless elastic claw 302 to move in a circle, stalk is cleared out of to kind of a row.
Described in the no-tillage seeding machine of realizing stalk cleaning provided by the invention, fertilizing mechanism 6 wrapsDraw together applicator boot 601, fertile pipe and fertilizer apparatus composition, applicator boot 601 is through fixture602 are installed in frame 1, the distance between described applicator boot 601 and described driving shaft 303From being not less than the described radius of a circle that careless elastic claw rotation forms of dialling, i.e. the length of tube connector 301,Facilitate tube connector 301 to rotate. When seeder operation, applicator boot 601 will be dialled careless device 3The straw cutting of not removing, and cut soil layer, fertilizer is applied to assigned address.
In order to create good kind bed, ensure that seed can be sown in soil layer, improve germination percentage. ThisApplicator boot 601 described in embodiment is cutaway disk formula applicator boot.
Speed measuring device described in the present embodiment also comprises the tooth that tests the speed with the coaxial setting of described land wheel 2Dish 401, the setting corresponding to described speed measuring fluted disc 401 of described sensor 402. Described sensor402 are arranged on land wheel frame by fixed mount 403, and land wheel frame is connected with frame 1, described sensingDevice 402 is 5mm-15mm with the distance of described speed measuring fluted disc 401.
The present invention also comprises the planter 7 being arranged in frame, and described planter 7 comprises to be broadcastPlant plough 701 and dispenser 703, described land wheel 2 drives described dispenser 703 seedings.Seed opener 701 is with more than applicator boot 601 position of center line offset 5cm, and twoMore than person's extreme lower position difference in height 5cm, in case burning, fertilizer plants. Described planter 7 is by flatRow four connecting rods 702 are arranged in frame 1, and parallel four connecting rods 702 can be broadcast with surface relief adjustmentThe height of planting monomer 7, dispenser 703 drives seeding by land wheel 2.
When the no-tillage seeding machine of the stalk the realized cleaning that the embodiment of the present invention provides uses, with fourRow No-tillage Maize Planter is example, and the corn with self adaptation stalk cleaning plant of the present invention is exempted fromPlough seeder by 5,2 land wheels 2 of 1 frame 1,1 cover speed measuring device, 4,1 cover governing system,3 covers are dialled careless device 3,4 cover fertilizing mechanism 6 and 4 cover planters 7 and are formed. Frame 1 lengthDirection both sides are arranged 4 cover fertilizing mechanism 6 and 4 covers by the requirement of corn seeding line-spacing successively respectively and are broadcastPlant monomer 7. Land wheel 2 is fixed in frame 1, is positioned at seeder outside two adjacent planters 7Centre, speed measuring device 4 is installed on land wheel 2 for measuring the rotating speed of land wheel 2. Dial careless device 3Be fixed in frame 1,7 of every adjacent planters arrange 1 cover and dial careless device 3, governing system5 are fixed in frame 1, receive the rotating speed of 4 geodetic wheels 2 of speed measuring device, governing system 5Built-in operating speed with dial careless speeds match relation and be converted into that hydraulic motor 501 is required to be turnedSpeed, thus adjustment System 5 is controlled hydraulic motor 501 and is rotarily driven power transmission shaft 503 and drive and dial grassThe driving shaft 303 of device 3 rotates to push aside plants stalk in the ranks. Governing system 5 is with encoder 502The real time measure hydraulic motor 501 rotating speeds also feed back to System Assurance output speed and seeder advancesThe coupling of speed, realizes group careless device 3 operating rates and adjusts in real time with the variation of seeding operation speedWhole. Most of stalk is divided to the residual straw cutting of kind being brought to planting in the ranks and only, rationally profitWith power, realize seed manure and give and save when sowing simultaneously and need manually follow facility and observe stopping state.
In sum, group careless device in the no-tillage seeding machine of realizing stalk cleaning of the present inventionAnd land wheel is arranged at respectively the two ends of frame, fertilizing mechanism is evenly arranged at frame along sowing line-spacingUpper, to dial careless device and be arranged between adjacent fertilizing mechanism, velocity-measuring system comprises for measuring carThe sensor of wheel speed, dials careless device and comprises driving shaft and dial careless elastic claw, dials careless elastic claw around drivingThe axis of axle rotates, and governing system is connected with sensor and driving shaft respectively. Of the present invention can be realThe ground that the operating rate of dialling careless device of existing stalk cleaning is recorded according to speed measuring device by governing systemWheel pace determines, stalk cleaning, to planting in the ranks, is realized to conservation tillage earth's surface is coveredThe requirement of rate, for fertilising and the good surface conditions of sowing creation, improves soil water utilization rate;Have advantages of simple in structure and operation quality good.
Finally it should be noted that: above embodiment is only in order to technical scheme of the present invention to be described, andNon-to its restriction; Although the present invention is had been described in detail with reference to previous embodiment, abilityThe those of ordinary skill in territory is to be understood that: the skill that it still can be recorded aforementioned each embodimentArt scheme is modified, or part technical characterictic is wherein equal to replacement; And these are repaiiedChange or replace, not making the essence of appropriate technical solution depart from various embodiments of the present invention technical sideThe spirit and scope of case.

Claims (10)

1. the no-tillage seeding machine that can realize stalk cleaning, is characterized in that: comprise frame,And be arranged at and dial careless device, land wheel, speed measuring device, governing system and fertilizing mechanism in frame;The described group of careless device and land wheel are arranged at respectively the two ends of frame, and described fertilizing mechanism is along sowing rowApart from being evenly arranged in described frame, described group of careless device is arranged at adjacent described fertilizing mechanismBetween, described velocity-measuring system comprises the sensor for measuring vehicle wheel rotational speed, described group of careless deviceComprise driving shaft and dial careless elastic claw, described group of careless elastic claw rotates around the axis of described driving shaft, instituteStating governing system is connected with described sensor and driving shaft respectively.
2. the no-tillage seeding machine of realizing stalk cleaning according to claim 1, its featureBe: the power transmission shaft that described governing system comprises hydraulic motor and is in transmission connection with described driving shaft,Described in described fluid motor-driven, power transmission shaft rotates.
3. the no-tillage seeding machine of realizing stalk cleaning according to claim 2, its featureBe: described governing system also comprises PLC controller and encoder described sensor and codingThe output of device is connected with the input of described PLC controller respectively, described PLC controllerOutput is connected with the input of described hydraulic motor, the output of described hydraulic motor with described inThe input of encoder connects.
4. the no-tillage seeding machine of realizing stalk cleaning according to claim 2, its featureBe: described group of careless device also comprises tube connector and driven wheel, described tube connector drives described in edgeCircumferentially being arranged on described driving shaft of moving axis, described group of careless elastic claw is arranged on described tube connector,Described driving shaft is connected with described transmission shaft driven by described driven wheel.
5. the no-tillage seeding machine of realizing stalk cleaning according to claim 1, its featureBe: described fertilizing mechanism comprises applicator boot described applicator boot and described driving shaftBetween distance be not less than and described dial careless elastic claw and rotate the radius of a circle forming.
6. the no-tillage seeding machine of realizing stalk cleaning according to claim 5, its featureBe: described applicator boot is cutaway disk formula applicator boot.
7. the no-tillage seeding machine of realizing stalk cleaning according to claim 1, its featureBe: described speed measuring device also comprises the speed measuring fluted disc with the coaxial setting of described land wheel described biographySensor setting corresponding to described speed measuring fluted disc.
8. the no-tillage seeding machine of realizing stalk cleaning according to claim 7, its featureBe: described sensor is arranged in described frame by fixed mount, described sensor with described inThe distance of speed measuring fluted disc is 5mm-15mm.
9. the no-tillage seeding machine of realizing stalk cleaning according to claim 1, its featureBe: also comprise the planter being arranged in frame, described planter comprises sowing and ditchingDevice and dispenser, dispenser seeding described in described ground wheel drive.
10. the no-tillage seeding machine of realizing stalk cleaning according to claim 9, its spyLevy and be: described planter is arranged in frame by parallel four connecting rods.
CN201610007245.6A 2016-01-06 2016-01-06 No-tillage planter capable of realizing straw cleaning Pending CN105638040A (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106342453A (en) * 2016-08-24 2017-01-25 李传慧 Mini-type seed sowing pushing device for simultaneous proceeding of plurality of holes
CN107046818A (en) * 2017-05-05 2017-08-18 华中农业大学 A kind of speed drives rotary cultivator than controlled hydraulic
CN112020916A (en) * 2020-08-24 2020-12-04 中国农业大学 Active rotation centralized type belt cleaning anti-blocking device
CN112243609A (en) * 2020-09-15 2021-01-22 中国农业大学 Wide-narrow row no-tillage belt straw partition cleaning device group for drip irrigation corn and cleaning method

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GB2354419A (en) * 1999-09-22 2001-03-28 Ingemar Bjurenvall Method of and apparatus for crop production
CN2682796Y (en) * 2004-01-18 2005-03-09 胡庆山 Grass collector
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CN103299746A (en) * 2013-06-27 2013-09-18 中国农业大学 Novel driving drum anti-blocking device of no-tillage sower
CN203801331U (en) * 2014-04-05 2014-09-03 中国农业机械化科学研究院呼和浩特分院 D-shaped elastic claw special for horizontal rotation hay raking tedder
CN104081917A (en) * 2014-07-17 2014-10-08 中国农业大学 Collocated-copying no-tillage and precision corn sowing machine

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2354419A (en) * 1999-09-22 2001-03-28 Ingemar Bjurenvall Method of and apparatus for crop production
CN2682796Y (en) * 2004-01-18 2005-03-09 胡庆山 Grass collector
CN101965768A (en) * 2010-09-01 2011-02-09 中国农业大学 Anti-blockage corn no-tillage seeder
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CN103299746A (en) * 2013-06-27 2013-09-18 中国农业大学 Novel driving drum anti-blocking device of no-tillage sower
CN203801331U (en) * 2014-04-05 2014-09-03 中国农业机械化科学研究院呼和浩特分院 D-shaped elastic claw special for horizontal rotation hay raking tedder
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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106342453A (en) * 2016-08-24 2017-01-25 李传慧 Mini-type seed sowing pushing device for simultaneous proceeding of plurality of holes
CN106342453B (en) * 2016-08-24 2018-12-21 宁夏盐池西部畅享农业生物科技有限公司 Miniature sowing pushing meanss that are a kind of porous while carrying out
CN107046818A (en) * 2017-05-05 2017-08-18 华中农业大学 A kind of speed drives rotary cultivator than controlled hydraulic
CN112020916A (en) * 2020-08-24 2020-12-04 中国农业大学 Active rotation centralized type belt cleaning anti-blocking device
CN112243609A (en) * 2020-09-15 2021-01-22 中国农业大学 Wide-narrow row no-tillage belt straw partition cleaning device group for drip irrigation corn and cleaning method
CN112243609B (en) * 2020-09-15 2022-07-01 中国农业大学 Wide-narrow row no-tillage belt straw partition cleaning device group for drip irrigation corn and cleaning method

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Application publication date: 20160608