CN203233664U - Seed guide device and seeding monomer with same - Google Patents

Seed guide device and seeding monomer with same Download PDF

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Publication number
CN203233664U
CN203233664U CN 201320167565 CN201320167565U CN203233664U CN 203233664 U CN203233664 U CN 203233664U CN 201320167565 CN201320167565 CN 201320167565 CN 201320167565 U CN201320167565 U CN 201320167565U CN 203233664 U CN203233664 U CN 203233664U
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CN
China
Prior art keywords
pipe
seed
wheel
conducting device
seeding unit
Prior art date
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Withdrawn - After Issue
Application number
CN 201320167565
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Chinese (zh)
Inventor
刘立晶
杨学军
周军平
刘忠军
李长荣
刘殿生
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
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Chinese Academy of Agricultural Mechanization Sciences
Modern Agricultural Equipment Co Ltd
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Priority to CN 201320167565 priority Critical patent/CN203233664U/en
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Publication of CN203233664U publication Critical patent/CN203233664U/en
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Abstract

The utility model discloses a seed guide device and a seeding monomer with the same. The seeding monomer comprises a rack, power and transmission devices, a covering device, a ditching device and a seeding system, wherein the power and transmission devices, the covering device, the ditching device and the seeding system are arranged on the rack; the power and transmission devices are connected with the seeding system; the seeding system comprises a seed box, a seeding apparatus and a seed guide device body; the seed box is arranged above the rack; the seeding apparatus is arranged below the seed box and connected with a seed charge port of the seed box; the seed guide device body is arranged below the seeding apparatus; the seed guide device comprises a seed pipe, a seed guide mechanism and a transmission mechanism; the seed pipe is of a closed barrel structure; openings are respectively formed in the upper end and the lower end of the seed pipe; the seed pipe comprises a linear control section and a curve seed guide section, which are sequentially connected; the opening at the upper end of the seed pipe is formed in the linear control section correspondingly to the seed charge port of the seeding apparatus; the direction of the opening at the lower end of the seed pipe is reverse to the advancing direction of a seeder; the seed guide mechanism is arranged inside the seed pipe correspondingly to the seed charge port and connected with the transmission mechanism.

Description

A kind of conducting device and have the planter of this conducting device
Technical field
The utility model relates to a kind of agricultural seeder device, particularly a kind of for cooperating precision seeder to charge seed and can eliminating spring, make seed relatively fixing, can improve precise sowing grain spacing evenness and accuracy of placement conducting device and have the planter of this device.
Background technology
In the prior art, the distribution influence that the height of charging seed of sower (mouth of charging seed is to the distance of planting the ditch bottom surface) falls in kind of the ditch seed is very large.Owing to be subjected to the restriction of machine works modular construction or seeding unit operation principle, can't highly fall too low with charging seed especially large-scale facility double disk opener precise sowing monomer, the seeding unit at least 450mm of bottom of trench distance that charges seed mouthful.Therefore, seed mobile device and shaped form grain conductor are controlled in configuration in the opener shank below precision seeder, when kind of grain is glided along curve, change kind of a grain direction of motion, it is slided backward, when kind of a grain leaves the grain conductor end opening, has speed backward, the horizontal velocity on relative ground when the horizontal component velocity of this speed can subtract small sized seeds and falls, spring and rolling in the time of can improving seed that the sower pace causes and fall into kind of ditch, thus improve a grain spacing evenness; But through behind this segment distance, owing to be subject to the impact of seeds fall collision seed, just broken the proportional spacing of seeding when seed is initial from mouthful seed of evenly discharging of charging seed.It is highly larger to charge seed, and the distance of seed experience is longer, and suffered interference is just larger, causes that more easily the seed poor placement is true.
Application number is " 02292089.7 ", name is called the Chinese utility model patent of " novel soybean intertillage, spraying, precision zero speed seeder ", the spacing in the rows precision zero speed seeders such as a kind of realization are disclosed, the zero speed of seed dropping device receives from the seeding unit mouthful seed that falls of charging seed, seed is fixed in the groove of the lacquer disk(-sc) of charging seed relatively, the lacquer disk(-sc) of charging seed links to each other with sliding cutter plough, seed is dropped in the soil that sliding cutter slips off, but wherein related seeds depositing apparatus is circular configuration, this mechanism is only suitable for specific runner boot, uses to be subject to certain limitation.
The utility model content
Technical problem to be solved in the utility model provides a kind of seed spring can eliminated in the seeding process, and reaches zero speed of seed dropping, guarantees the conducting device of the grain spacing evenness of precise sowing and accuracy of placement and has the planter of this device.
To achieve these goals, the utility model provides a kind of conducting device, be installed in the seeding unit below of sower, wherein, comprise kind of a pipe, lead kind of mechanism and transmission mechanism, described kind pipe is that closed tubular construction and upper and lower side have respectively opening, described kind of pipe comprises that the straight line control part and the curve that are linked in sequence lead kind of a section, the upper end open of described kind of pipe be positioned at described straight line control part and with mouthful corresponding setting of charging seed of described seeding unit, the direction of the lower ending opening of described kind of pipe is opposite with the direction of advance of described sower, and described kind of the mechanism that leads is installed in the described kind pipe and with described transmission mechanism and is connected corresponding to the described mouth of charging seed.
Above-mentioned conducting device, wherein, described kind of the mechanism that leads comprises annular lattice band and leads kind of a drive disk assembly, described kind of the drive disk assembly of leading comprises upper belt-wheel axle and lower belt shaft, be respectively arranged with on the sidewall of described kind of pipe be used to the installing hole that described upper belt-wheel axle and described lower belt shaft are installed, by rolling bearing units upper belt-wheel and lower belt wheel are installed respectively on described upper belt-wheel axle and the described lower belt shaft, described annular lattice band is stretched on described upper belt-wheel and the described lower belt wheel, and the speed of charging seed of described seeding unit and the velocity of rotation of described annular lattice band are synchronous.
Above-mentioned conducting device, wherein, described annular lattice band comprises transport tape and evenly is arranged on dividing plate on the described transport tape outer surface that the distance between the described dividing plate is greater than the diameter of described seeding unit sowing seed.
Above-mentioned conducting device, wherein, the spacing between the end of the vertical and described dividing plate of the outer surface of described dividing plate and described transport tape and the inwall of described kind of pipe is 0~1mm.
Above-mentioned conducting device, wherein, plate was managed front shroud with planting after described kind of pipe comprised kind of pipe, and plate and described kind pipe front shroud fasten and are described closed tubular construction behind the described kind pipe.
Above-mentioned conducting device, wherein, the cross section of plate is the U-shaped structure behind the described kind pipe, and described kind pipe front shroud is slab construction, and the lower ending opening of described kind of pipe extends the outer angular cut of described kind pipe front shroud for the rear plate of kind of pipe.
Above-mentioned conducting device, wherein, described kind of the mechanism that leads is installed in described straight line control part, and described installing hole is respectively on the corresponding two side that is arranged on plate behind the described kind pipe.
Above-mentioned conducting device, wherein, the curvilinear equation that described curve is led kind of section is y=-0.01x 2+ 2.7x, wherein, x is abscissa, y is ordinate.
Above-mentioned conducting device, wherein, described transmission mechanism is chain wheel driving mechanism, the sprocket wheel of described chain wheel driving mechanism and described upper belt-wheel axle are wholely set, described sprocket wheel is connected with power and the transmission device of described sower by driving-chain, and the speed of charging seed of the rotating speed of described sprocket wheel and described seeding unit is synchronous.
In order to realize better above-mentioned purpose, the utility model also provides a kind of planter, comprise frame and be installed in power and transmission device, covering device, ditching device and metering system on the described frame, described power and transmission device are connected with described metering system, described metering system comprises kind of a case, seeding unit and conducting device, described kind of case is arranged on the top of described frame, described seeding unit is installed in described kind of case below and is connected with the sowing port of described kind of case, wherein, described conducting device is above-mentioned conducting device.
Technique effect of the present utility model is:
1, the precision seeder of conducting device of the present utility model and sower supports the use, the seed that precision seeder is charged seed mouthful fall arrives in the stroke before kind of the ditch and eliminates spring, and reach zero speed of seed dropping, guarantee grain spacing evenness and the accurate placement of precise sowing;
2, the scope of application of this conducting device is extensive, can be used with polytype precision seeder, and it is inner to be installed in all types of ploughs such as disc type, scraper knife type;
3, easy for installation, reliable.
Below in conjunction with the drawings and specific embodiments the utility model is described in detail, but not as to restriction of the present utility model.
Description of drawings
Fig. 1 is the planter structural representation of the utility model one embodiment;
Fig. 2 is that the local A of Fig. 1 is to view;
Fig. 3 is the conducting device perspective view of the utility model one embodiment;
Fig. 4 is the annular lattice band structure schematic diagram of the utility model one embodiment;
Fig. 5 is the kind pipe back plate structure schematic diagram of the utility model one embodiment.
Wherein, Reference numeral
1 frame
2 power and transmission device
3 covering devices
4 ditching devices
5 metering systems
51 kinds of casees
52 seeding units
521 mouths of charging seed
53 conducting devices
531 kinds of pipes
5311 upper end open
5312 lower ending openings
5313 straight line control parts
5314 curves are led kind of a section
5315 installing holes
Plate behind 5316 kinds of pipes
5317 kinds of pipe front shrouds
532 lead kind of a mechanism
5321 annular lattice bands
53211 transport tapes
53212 dividing plates
5322 lead kind of a drive disk assembly
53221 upper belt-wheel axles
53222 times belt shafts
53223 rolling bearing units
533 transmission mechanisms
Embodiment
Below in conjunction with accompanying drawing structural principle of the present utility model and operation principle are done concrete description:
Referring to Fig. 1 and Fig. 2, Fig. 1 is the planter structural representation of the utility model one embodiment, and Fig. 2 is that the local A of Fig. 1 is to view.Planter of the present utility model, comprise frame 1 and be installed in power and transmission device 2, covering device 3, ditching device 4 and metering system 5 on the described frame 1, described power and transmission device 2 are connected with described metering system 5, described covering device 3 is arranged on the rear of described plough 4, described metering system 5 comprises kind of case 51, seeding unit 52 and conducting device 53, described kind of case 51 is arranged on the top of described frame 1, and described seeding unit 52 is installed in described kind of case 51 belows and is connected with the sowing port of described kind of case 51.Described conducting device 53 is installed in the below of described seeding unit 52, is connected with the mouth 521 of charging seed of seeding unit 52, to eliminate spring, makes seed relatively fixing.Because structure, function and mutual alignment relation thereof and the annexation of other building blocks of this planter is ripe prior art, and therefore not to repeat here.The below is only described in detail conducting device 53 of the present utility model.In addition, this conducting device is a universal component, can be used with the precision seeder of any type, is not subjected to the structure influence of seeding unit.Because this conducting device is arranged on the seeding unit below, the seed that the reception seeding unit is broadcast under the row gets final product, and is not subjected to directly affecting of seeding unit and sower annexation.
Referring to Fig. 3, Fig. 3 is the conducting device perspective view of the utility model one embodiment.Conducting device 53 of the present utility model, be installed in seeding unit 52 belows of sower, comprise kind of a pipe 531, lead kind of mechanism 532 and transmission mechanism 533, described kind pipe 531 has respectively opening for closed tubular construction and upper and lower side, described kind pipe 531 comprises that the straight line control part 5313 and the curve that are linked in sequence lead kind of section 5314, the upper end open 5311 of described kind pipe 531 be positioned at described straight line control part 5313 and with mouthful 521 corresponding settings of charging seed of described seeding unit 52, the direction of the lower ending opening 5312 of described kind pipe 531 is opposite with the direction of advance of described sower, and described kind of the mechanism 532 that leads mouthfuls 521 is installed in the closed barrel chamber of described kind pipe 531 and with described transmission mechanism 533 and is connected corresponding to described charging seed.
In the present embodiment, described kind of the mechanism 532 that leads comprises annular lattice band 5321 and leads kind of drive disk assembly 5322, described kind of the drive disk assembly 5322 of leading comprises upper belt-wheel axle 53221 and lower belt shaft 53222, be respectively arranged with on the sidewall of described kind pipe 531 be used to the installing hole 5315 of installing belt shaft 53221 and lower belt shaft 53222, by rolling bearing units 53223 upper belt-wheel and lower belt wheel (not shown) are installed respectively on described upper belt-wheel axle 53221 and the described lower belt shaft 53222, described annular lattice band 5321 is stretched on described upper belt-wheel and the described lower belt wheel, and the speed of charging seed of described seeding unit 52 and the velocity of rotation of described annular lattice band 5321 are synchronous.Described kind of the mechanism 532 that leads is preferably mounted at described straight line control part 5313, and described installing hole 5315 is respectively on the corresponding two side that is arranged on plate 5316 behind the described kind pipe.Wherein, when kind of grain is led the 5314 curves downslide of kind of section along kind of the curve of pipe 531, can change kind of a grain direction of motion, it is slided backward, when kind of grain leaves the lower ending opening 5312 of kind of pipe 531, have speed backward.The horizontal velocity on relative ground when the horizontal component velocity of this speed can subtract the small sized seeds whereabouts.So this curve can be according to sower routine work speed designs.In the present embodiment, the curvilinear equation that preferred described curve is led kind of section 5314 is y=-0.01x 2+ 2.7x, opposite with the sower direction of advance to guarantee seeds fall speed, realize zero speed of seed dropping, wherein, x, y are the coordinate of natural system of coordinates, and x is abscissa, and y is ordinate.According to the installation site of this example, horizontal velocity is 7.4km/h when seed leaves the lower ending opening 5312 of kind of pipe, when sower operating speed during at 7~8km/h, close to zero speed of seed dropping.
Referring to Fig. 4, Fig. 4 is the annular lattice band structure schematic diagram of the utility model one embodiment.In the present embodiment, described annular lattice band 5321 comprises transport tape 53211 and evenly is arranged on dividing plate 53212 on described transport tape 53211 outer surfaces that the distance between the described dividing plate 53212 is greater than the diameter of described seeding unit 52 sowing seeds.Wherein, the spacing between the inwall of the end of preferred described dividing plate 53212 and the vertical and described dividing plate 53212 of outer surface of described transport tape 53211 and described kind of pipe is 0~1mm.Namely this spacing can guarantee that described dividing plate 53212 manages 531 interior smooth movements and seed in the kind of this closure and can not be stuck in dividing plate 53212 and plant between the inwall of pipe 531.
Referring to Fig. 5, Fig. 5 is the kind pipe back plate structure schematic diagram of the utility model one embodiment.In the present embodiment, plate 5316 was managed front shroud 5317 with planting after described kind pipe 531 comprised kind of pipe, and plate 5316 is described closed tubular construction with described kind pipe front shroud 5317 fastenings behind the described kind pipe.Wherein, the cross section of plate 5316 is preferably the U-shaped structure behind the described kind pipe, and described kind pipe front shroud 5317 is preferably slab construction, and the lower ending opening 5312 of described kind pipe 531 is that the rear plate 5316 of kind of pipe extends the angular cut outside the described kind pipe front shroud 5317.
In the present embodiment, described transmission mechanism 533 is chain wheel driving mechanism 533, the sprocket wheel of described chain wheel driving mechanism 533 (referring to Fig. 2) is wholely set with described upper belt-wheel axle 53221, described sprocket wheel is connected with the power of described sower and the sprocket wheel on the transmission device 2 by driving-chain, and the speed of charging seed of the rotating speed of described sprocket wheel and described seeding unit 52 is synchronous.
During work, fall on kind of the transport tape 53211 of the annular lattice band of the straight line control part 5313 of pipe 531 5321 rotations and between dividing plate 53212 from the seed of mouthful 521 rows of broadcasting of charging seed of seeding unit 52, seed maintains static relatively at 53212 on the dividing plate of annular lattice band 5321, along with steadily falling into curve, the annular lattice band 5321 that rotates leads kind of section 5314, and slide in the kind ditch that plough 4 holds successfully, because dividing plate 53212 has been controlled collision, has improved the whereabouts uniformity of seed.Concrete transmission process is, the power of sower is transferred to the sprocket wheel of described chain wheel driving mechanism 533 through power and transmission device 2, the sprocket wheel of described chain wheel driving mechanism 533 drives upper belt-wheel axle 53221 and rotates, upper belt-wheel axle 53221 drives the upper belt-wheel rotation, thereby the annular lattice band 5321 that is stretched on upper belt-wheel and the lower belt wheel is rotated, seed is migrated downwards, finish steadily transporting of seed.Upper belt-wheel axle 53221 is used with rolling bearing units 53223 respectively with lower belt shaft 53222, and namely bearing is fixed on the bearing Connection Block, and the bearing Connection Block is fixedly connected with the body frame of plough 4.
Conducting device of the present utility model by kind of pipe after plate, plant pipe front shroud, annular lattice band, upper belt-wheel axle, sprocket wheel, lower belt shaft, bearing, belt wheel, bearing Connection Block etc. and form.Plate 5316 is meshed into airtight kind pipe with kind pipe front shroud 5317 after wherein planting pipe.Plant pipe minute straight line control part and curve and lead kind of section's two parts, plant the pipe side upper belt-wheel axle installing hole and lower belt shaft installing hole are arranged, be used for installing respectively upper and lower belt shaft, the upper belt-wheel of annular lattice band 5321 is installed by rolling bearing units 53223 and upper belt-wheel axle 53221, sprocket wheel and the upper belt-wheel axle 53221 of described chain wheel driving mechanism 533 are installed as one, transferring power simultaneously; The lower belt wheel of annular lattice band 5321 is installed by rolling bearing units 53223 and lower belt shaft 53222, under the drive that upper belt-wheel axle 53221 rotates, common drive annular lattice band 5321 and rotate, the charge seed velocity of rotation of speed and annular lattice band 5321 of precision seeder 52 is synchronous.The seed that the utility model can make precision seeder 52 charge seed mouthful to fall arrives in the stroke before kind of the ditch and eliminates spring, the solution highly larger seed movement erratic bounce that causes of charging seed, reach seed and enter grogs apart from uniform effect, and reach zero speed of seed dropping, guarantee the grain spacing evenness of precise sowing.
Certainly; the utility model also can have other various embodiments; in the situation that does not deviate from the utility model spirit and essence thereof; those of ordinary skill in the art work as can make various corresponding changes and distortion according to the utility model, but these corresponding changes and distortion all should belong to the protection domain of the appended claim of the utility model.

Claims (10)

1. conducting device, be installed in the seeding unit below of sower, it is characterized in that, comprise kind of a pipe, lead kind of mechanism and transmission mechanism, described kind pipe is that closed tubular construction and upper and lower side have respectively opening, described kind of pipe comprises that the straight line control part and the curve that are linked in sequence lead kind of a section, the upper end open of described kind of pipe be positioned at described straight line control part and with mouthful corresponding setting of charging seed of described seeding unit, the direction of the lower ending opening of described kind of pipe is opposite with the direction of advance of described sower, and described kind of the mechanism that leads is installed in the described kind pipe and with described transmission mechanism and is connected corresponding to the described mouth of charging seed.
2. conducting device as claimed in claim 1, it is characterized in that, described kind of the mechanism that leads comprises annular lattice band and leads kind of a drive disk assembly, described kind of the drive disk assembly of leading comprises upper belt-wheel axle and lower belt shaft, be respectively arranged with on the sidewall of described kind of pipe be used to the installing hole that described upper belt-wheel axle and described lower belt shaft are installed, by rolling bearing units upper belt-wheel and lower belt wheel are installed respectively on described upper belt-wheel axle and the described lower belt shaft, described annular lattice band is stretched on described upper belt-wheel and the described lower belt wheel, and the speed of charging seed of described seeding unit and the velocity of rotation of described annular lattice band are synchronous.
3. conducting device as claimed in claim 2 is characterized in that, described annular lattice band comprises transport tape and evenly be arranged on dividing plate on the described transport tape outer surface that the distance between the described dividing plate is greater than the diameter of described seeding unit sowing seed.
4. conducting device as claimed in claim 3 is characterized in that, the spacing between the end of the vertical and described dividing plate of the outer surface of described dividing plate and described transport tape and the inwall of described kind of pipe is 0~1mm.
5. conducting device as claimed in claim 2 is characterized in that, plate was managed front shroud with planting after described kind of pipe comprised kind of pipe, and plate and described kind pipe front shroud fasten and be described closed tubular construction behind the described kind pipe.
6. conducting device as claimed in claim 5 is characterized in that, the cross section of plate is the U-shaped structure behind the described kind pipe, and described kind pipe front shroud is slab construction, and the lower ending opening of described kind of pipe extends the outer angular cut of described kind pipe front shroud for the rear plate of kind of pipe.
7. conducting device as claimed in claim 6 is characterized in that, described kind of the mechanism that leads is installed in described straight line control part, and described installing hole is respectively on the corresponding two side that is arranged on plate behind the described kind pipe.
8. such as claim 1,2,3,4,5,6 or 7 described conducting devices, it is characterized in that the curvilinear equation that described curve is led kind of section is y=-0.01x 2+ 2.7x, wherein, x is abscissa, y is ordinate.
9. such as claim 1,2,3,4,5,6 or 7 described conducting devices, it is characterized in that, described transmission mechanism is chain wheel driving mechanism, the sprocket wheel of described chain wheel driving mechanism and described upper belt-wheel axle are wholely set, described sprocket wheel is connected with power and the transmission device of described sower by driving-chain, and the speed of charging seed of the rotating speed of described sprocket wheel and described seeding unit is synchronous.
10. planter, comprise frame and be installed in power and transmission device, covering device, ditching device and metering system on the described frame, described power and transmission device are connected with described metering system, described metering system comprises kind of a case, seeding unit and conducting device, described kind of case is arranged on the top of described frame, described seeding unit is installed in described kind of case below and is connected with the sowing port of described kind of case, it is characterized in that described conducting device is the described conducting device of any one in the claims 1~9.
CN 201320167565 2013-04-07 2013-04-07 Seed guide device and seeding monomer with same Withdrawn - After Issue CN203233664U (en)

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Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104094707A (en) * 2013-04-07 2014-10-15 现代农装科技股份有限公司 Seed guide device and seeding monomer with same
CN106034500A (en) * 2016-07-18 2016-10-26 柳州好顺科技有限公司 Seeding machine with seed guiding device
CN106211881A (en) * 2016-07-18 2016-12-14 柳州好顺科技有限公司 A kind of seed guide
CN106416522A (en) * 2016-08-22 2017-02-22 沈阳农业大学 Grooved wheel type fluid dibble-seeding machine
US11483963B2 (en) 2019-12-24 2022-11-01 Cnh Industrial America Llc Particle delivery system of an agricultural row unit
US11490558B2 (en) 2019-12-24 2022-11-08 Cnh Industrial America Llc Particle delivery system of an agricultural row unit
US11516958B2 (en) 2019-12-24 2022-12-06 Cnh Industrial America Llc Particle delivery system of an agricultural row unit
US11523555B2 (en) 2019-12-24 2022-12-13 Cnh Industrial America Llc Particle delivery system of an agricultural row unit
US11523556B2 (en) 2019-12-24 2022-12-13 Cnh Industrial America Llc Particle delivery system of an agricultural row unit
US11553639B2 (en) 2019-12-24 2023-01-17 Cnh Industrial America Llc Particle delivery system of an agricultural row unit
US11553638B2 (en) 2019-12-24 2023-01-17 Cnh Industrial America Llc Particle delivery system of an agricultural row unit
US11564346B2 (en) 2019-12-24 2023-01-31 Cnh Industrial America Llc Particle delivery system of an agricultural row unit
US11564344B2 (en) 2019-12-24 2023-01-31 Cnh Industrial America Llc Particle delivery system of an agricultural row unit
US11582899B2 (en) 2019-12-24 2023-02-21 Cnh Industrial America Llc Particle delivery system of an agricultural row unit
US11589500B2 (en) 2019-12-24 2023-02-28 Cnh Industrial America Llc Particle delivery system of an agricultural row unit
US11596095B2 (en) 2019-12-24 2023-03-07 Cnh Industrial America Llc Particle delivery system of an agricultural row unit

Cited By (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104094707A (en) * 2013-04-07 2014-10-15 现代农装科技股份有限公司 Seed guide device and seeding monomer with same
CN104094707B (en) * 2013-04-07 2016-05-18 现代农装科技股份有限公司 A kind of conducting device and there is the planter of this conducting device
CN106034500A (en) * 2016-07-18 2016-10-26 柳州好顺科技有限公司 Seeding machine with seed guiding device
CN106211881A (en) * 2016-07-18 2016-12-14 柳州好顺科技有限公司 A kind of seed guide
CN106416522A (en) * 2016-08-22 2017-02-22 沈阳农业大学 Grooved wheel type fluid dibble-seeding machine
CN106416522B (en) * 2016-08-22 2019-04-19 沈阳农业大学 Grooved pulley type fluid hilling machine
US11483963B2 (en) 2019-12-24 2022-11-01 Cnh Industrial America Llc Particle delivery system of an agricultural row unit
US11490558B2 (en) 2019-12-24 2022-11-08 Cnh Industrial America Llc Particle delivery system of an agricultural row unit
US11516958B2 (en) 2019-12-24 2022-12-06 Cnh Industrial America Llc Particle delivery system of an agricultural row unit
US11523555B2 (en) 2019-12-24 2022-12-13 Cnh Industrial America Llc Particle delivery system of an agricultural row unit
US11523556B2 (en) 2019-12-24 2022-12-13 Cnh Industrial America Llc Particle delivery system of an agricultural row unit
US11553639B2 (en) 2019-12-24 2023-01-17 Cnh Industrial America Llc Particle delivery system of an agricultural row unit
US11553638B2 (en) 2019-12-24 2023-01-17 Cnh Industrial America Llc Particle delivery system of an agricultural row unit
US11564346B2 (en) 2019-12-24 2023-01-31 Cnh Industrial America Llc Particle delivery system of an agricultural row unit
US11564344B2 (en) 2019-12-24 2023-01-31 Cnh Industrial America Llc Particle delivery system of an agricultural row unit
US11582899B2 (en) 2019-12-24 2023-02-21 Cnh Industrial America Llc Particle delivery system of an agricultural row unit
US11589500B2 (en) 2019-12-24 2023-02-28 Cnh Industrial America Llc Particle delivery system of an agricultural row unit
US11596095B2 (en) 2019-12-24 2023-03-07 Cnh Industrial America Llc Particle delivery system of an agricultural row unit

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Granted publication date: 20131016

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