CN204652905U - Multiplex middle fine grain crop seeder - Google Patents
Multiplex middle fine grain crop seeder Download PDFInfo
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- CN204652905U CN204652905U CN201520383751.6U CN201520383751U CN204652905U CN 204652905 U CN204652905 U CN 204652905U CN 201520383751 U CN201520383751 U CN 201520383751U CN 204652905 U CN204652905 U CN 204652905U
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Abstract
The utility model provides a kind of multiplex middle fine grain crop seeder, belong to agricultural mechanical field, comprise frame, described frame is provided with drive unit, seeding apparatus, rotary cultivator attachment and suppression device, described drive unit comprises the hitch frame be connected with tractor and the land wheel driven by tractor, described ditching device comprises fertilizer can, at least two seed-boxes and the ditching device be arranged at bottom frame, described fertilizer can is connected with fertilizer spreader, described fertilizer spreader comprises fertilizer outlet, described seed-box is connected with seeder, described seeder is connected with the different grain conductor of many calibers.This multiplex middle fine grain crop seeder adopts the structure of multiple seed-box, can be used for fine grain crop sowing in difference, the seed crop of the corresponding class size of each seed-box, achieve the effect of a tractor serves several purposes, not only structure is simple, with low cost, easy to maintenance, and environmental suitability is strong, overall economic efficiency is good.
Description
Technical field
The utility model relates to agricultural mechanical field, in particular to multiplex middle fine grain crop seeder.
Background technology
Sower is a kind of employing mechanical planting, to improve the agricultural machinery of sowing efficiency.At present, the kind of conventional middle fine grain crop seeder is a lot, but, the even broadcast leakage problem of these sower ubiquity uneven sowings.And, the specificity of most sower is comparatively strong, and generally each seed crop uses a kind of special seeder, causes only using this apparatus sowing time this seed crop, and other times are all on the shelf, cause waste economically, meanwhile, existing sower is in seeding process, the kind ditch outputed is deep mixed, cause emergence rate to reduce, growth of seedling is uneven not prosperous, regulates the width between dark and adjacent ridge, ridge to waste time and energy yet.
Utility model content
The purpose of this utility model is to provide a kind of multiplex middle fine grain crop seeder, to improve the problems referred to above.
The utility model is achieved in that
This multiplex middle fine grain crop seeder comprises frame, described frame is provided with drive unit, seeding apparatus, rotary cultivator attachment, ditching device and suppression device, described drive unit comprises the hitch frame be connected with tractor and the land wheel driven by tractor, described seeding apparatus comprises fertilizer can, at least two seed-boxes and the ditching device be arranged at bottom frame, described fertilizer can is connected with fertilizer spreader, described fertilizer spreader comprises fertilizer outlet, described seed-box is connected with seeder, described seeder is connected with the different grain conductor of many calibers, described grain conductor is away from the corresponding described ditching device in one end of described seeder, described ditching device comprises multiple trench digging main body, described rotary cultivator attachment comprises the rotovator driven by tractor, described rotovator is arranged at bottom described frame, described suppression device comprises the suppression support arm be connected with frame and the packer be connected on described suppression support arm, described fertilizer outlet, rotovator, ditching device and packer are set in turn in described frame from front to back.
As preferably, described frame is arranged at intervals with two adjutages, horizontal support beam is removably connected with by the first U-bolt and the first nut between two adjutages, multiple trench digging main body is arranged along the length direction interval of described horizontal support beam, the top of each trench digging main body is connected with support bar, and each support bar is all connected on described horizontal support beam away from one end of described trench digging main body.
As preferably, two adjutages are arranged with the first U-bolt respectively, the two ends of described first U-bolt opening are provided with the first threaded portion, the two ends of described horizontal support beam are respectively arranged with connecting plate, described connecting plate is perpendicular to the length direction of described horizontal support beam, on described connecting plate, the position of corresponding first threaded portion is provided with vertical bar hole, and described first threaded portion connects described first nut through after described bar hole.
As preferably, described horizontal support beam is arranged with the second U-bolt, the two ends of described second U-bolt opening are respectively arranged with the second threaded portion, described support bar is provided with Connection Block away from one end of described trench digging main body, on described Connection Block, the position of corresponding second threaded portion is provided with installing hole, and described second threaded portion is connected with the second nut through after described installing hole.
As preferably, described Connection Block being provided with the groove mated with described support bar and the screw be communicated with described groove, in described screw, being provided with the bolt for pushing against described support bar.
As preferably, described suppression support arm has two, be rotationally connected with the left and right sides of described frame respectively, described suppression support arm is rotatably connected to adjusting screw(rod) near the position of described packer, described adjusting screw(rod) can rotate around Pivot Point Center line, and described adjutage is provided with the spindle nut of mating with described adjusting screw(rod) away from one end of frame.
As preferably, between tractor and rotovator, adopt Chain conveyer.
As preferably, described land wheel is provided with the first drive sprocket and the second drive sprocket, described fertilizer spreader is provided with the first driven sprocket, described first drive sprocket and the first driven sprocket are arranged with the first driving chain, described seeder is provided with the second driven sprocket, described second drive sprocket and the second driven sprocket are arranged with the second driving chain.
As preferably, described seed-box has two, be respectively middle seed case and fine grain case, middle seed case is connected with seeder respectively with fine grain case, many grain conductors comprise middle seed pipe and fine grain pipe, described middle seed pipe is connected with seeder respectively with fine grain pipe, and many middle seed pipes and fine grain pipe are arranged along the length direction alternate intervals of described packer.
As preferably, the surface of described frame, drive unit, seeding apparatus, rotary cultivator attachment, ditching device and suppression device is provided with anticorrosive coat.
The beneficial effects of the utility model are:
This multiplex middle fine grain crop seeder adopts the structure of multiple seed-box, can be used for fine grain crop sowing in difference, the seed crop of the corresponding class size of each seed-box, achieve the effect of a tractor serves several purposes, not only structure is simple, with low cost, easy to maintenance, and environmental suitability is strong, overall economic efficiency is good.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme of the utility model embodiment, be briefly described to the accompanying drawing used required in embodiment below, be to be understood that, the following drawings illustrate only some embodiment of the present utility model, therefore the restriction to scope should be counted as, for those of ordinary skill in the art, under the prerequisite not paying creative work, other relevant accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 shows the end view of the multiplex middle fine grain crop seeder described in the utility model first embodiment;
Fig. 2 shows the vertical view of the multiplex middle fine grain crop seeder described in the utility model first embodiment;
Fig. 3 shows the rearview of the multiplex middle fine grain crop seeder described in the utility model first embodiment;
Fig. 4 shows the cutaway view at A-A place in Fig. 3.
Reference numeral gathers:
Frame 1; Land wheel 2; Hitch frame 3; Fertilizer can 4;
Middle seed case 5; Fine grain case 6; Horizontal support beam 7;
Packer 8; Rotovator 9; Middle seed pipe 12;
Fine grain pipe 13; Spindle nut 14; Support bar 15;
Trench digging main body 16; Connection Block 17; Adjusting screw(rod) 18;
Suppression support arm 19; First U-bolt 20;
Second U-bolt 21.
Embodiment
For making the object of the utility model embodiment, technical scheme and advantage clearly, below in conjunction with the accompanying drawing in the utility model embodiment, technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is the utility model part embodiment, instead of whole embodiments.The assembly of the utility model embodiment describing and illustrate in usual accompanying drawing herein can be arranged with various different configuration and design.Therefore, below to the detailed description of the embodiment of the present utility model provided in the accompanying drawings and the claimed scope of the present utility model of not intended to be limiting, but selected embodiment of the present utility model is only represented.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
In description of the present utility model, it should be noted that, term " " center ", " on ", D score, " left side ", " right side ", " vertically ", " level ", " interior ", orientation or the position relationship of the instruction such as " outward " are based on orientation shown in the drawings or position relationship, or this utility model product orientation of usually putting or position relationship when using, only the utility model and simplified characterization for convenience of description, instead of indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as restriction of the present utility model.In addition, term " first ", " second ", " the 3rd " etc. only for distinguishing description, and can not be interpreted as instruction or hint relative importance.
In description of the present utility model, also it should be noted that, unless otherwise clearly defined and limited, term " setting ", " installation ", " being connected ", " connection " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or connect integratedly; Can be mechanical connection, also can be electrical connection; Can be directly be connected, also indirectly can be connected by intermediary, can be the connection of two element internals.For the ordinary skill in the art, concrete condition the concrete meaning of above-mentioned term in the utility model can be understood.
First embodiment, with reference to Fig. 1-4, this multiplex middle fine grain crop seeder comprises frame 1, described frame 1 is provided with drive unit, seeding apparatus, rotary cultivator attachment, ditching device and suppression device, described drive unit comprises the hitch frame 3 be connected with tractor and the land wheel 2 driven by tractor, described seeding apparatus comprises fertilizer can 4, at least two seed-boxes and the ditching device be arranged at bottom frame 1, described fertilizer can 4 is connected with fertilizer spreader, described fertilizer spreader comprises fertilizer outlet, described seed-box is connected with seeder, described seeder is connected with the different grain conductor of many calibers, described grain conductor is away from the corresponding described ditching device in one end of described seeder, described ditching device comprises multiple trench digging main body 16, described rotary cultivator attachment comprises the rotovator 9 driven by tractor, described rotovator 9 is arranged at bottom described frame 1, described suppression device comprises the suppression support arm 19 be connected with frame 1 and the packer 8 be connected on described suppression support arm 19, described fertilizer outlet, rotovator 9, trench digging main body 16 and packer 8 are set in turn in described frame 1 from front to back.
Wherein, described tractor is provided with draw bar, described hitch frame 3 is provided with tractive unit, described draw bar and described tractive unit are removably connected by screw bolt and nut; The front interval of described frame 1 is provided with two walking rods, is rotatably connected to turning cylinder between two walking rods, and described land wheel 2 has two, is all fixedly connected on described turning cylinder, and two land wheels 2 are arranged along the length direction interval of described turning cylinder; Described fertilizer can 4 and multiple seed-box are all fixedly installed on described frame 1 top; Described fertilizer spreader, seeder, spinning machine, trench digging main body 16 and packer 8 are existing equipment, can be directly commercially customized; Described frame 1 is provided with multiple damper, jolts to alleviate, prevent equipment impaired.
Operation principle and the process of this multiplex middle fine grain crop seeder are such: the first step, and the size of the seed sowed as required selects seed-box, then by corresponding for injection seeded seed-box, and injects corresponding fertilizer in fertilizer can 4; Second step, starts tractor, and the power take-off Direct driver rotovator 9 of tractor operates, and before tractor, guild drives land wheel 2 to rotate walking indirectly simultaneously; 3rd step, start fertilizer spreader and seeder, fertilizer spreads in earth by fertilizer entrance by fertilizer spreader, rotovator 9 chesson fertilizer is stirred in soil subsequently, seeder is mixed in soil after then seed being transported to trench digging main body 16 inner chamber by grain conductor, flattened compression by packer 8 subsequently, thus complete sowing.
The general specificity of existing crop seeder is strong, and an equipment can only be used for a kind of sowing of seed, economical not.Relative with prior art, the multiplex middle fine grain crop seeder that the technical program provides, owing to being provided with multiple seed-box and multiple grain conductor, therefore for fine grain crop sowing in difference, realizes a tractor serves several purposes.
In the present embodiment, described frame 1 is arranged at intervals with two adjutages, horizontal support beam 7 is removably connected with by the first U-bolt 20 and the first nut between two adjutages, multiple trench digging main body 16 is arranged along the length direction interval of described horizontal support beam 7, the top of each trench digging main body 16 is connected with support bar 15, and each support bar 15 is all connected on described horizontal support beam 7 away from one end of described trench digging main body 16.
Wherein, the cross section of described adjutage is rectangle, and described cross section is the plane perpendicular to described adjutage length direction; Described adjutage is arranged at the left and right sides of described frame 1 rear end; Demountable structure is all adopted to connect between described trench digging main body 16 and support bar 15 and between support bar 15 and horizontal support beam 7.
Dismountable object is adopted to be horizontal support beam 7 can be dismantled like a cork, so that maintenance and replacing.
In the present embodiment, two adjutages are arranged with respectively the first U-bolt 20, the two ends of described first U-bolt 20 opening are provided with the first threaded portion, the two ends of described horizontal support beam 7 are respectively arranged with connecting plate, described connecting plate is perpendicular to the length direction of described horizontal support beam 7, on described connecting plate, the position of corresponding first threaded portion is provided with vertical bar hole, and described first threaded portion connects described first nut through after described bar hole.
Wherein, described connecting plate is rectangular slab and vertically arranges, and described bar hole has four, is arranged on four angles of described rectangular slab respectively; Described first bolt body comprises the first side arm connected successively, linking arm and the second side arm, the upper and lower surface of described first side arm and the corresponding described adjutage of the second side arm difference, the outside of the corresponding described adjutage of described linking arm; The space that described first bolt body surrounds is mated with described adjutage, so that the first U-bolt 20 can stably be sheathed on adjutage.
The object of such setting is to make user can be regulated the height of ditching device by the height of adjustment horizontal support beam 7, thus realize different ditching depths, meet the actual demand of sowing, not only increase the adaptability of ditching device to working environment, and improve flexibility and the operability of ditching device.
In the present embodiment, described horizontal support beam 7 is arranged with the second U-bolt 21, the two ends of described second U-bolt 21 opening are respectively arranged with the second threaded portion, described support bar 15 is provided with Connection Block 17 away from one end of described trench digging main body 16, on described Connection Block 17, the position of corresponding second threaded portion is provided with installing hole, and described second threaded portion is connected with the second nut through after described installing hole.
The object of such setting is to make user to regulate distance between adjacent trench digging main body 16 according to the actual requirements, thus improves ditching device to the adaptability of working environment, improves flexibility and the operability of ditching device simultaneously.
In the present embodiment, described Connection Block 17 being provided with the groove mated with described support bar 15 and the screw be communicated with described groove, in described screw, being provided with the bolt for pushing against described support bar 15.
Wherein, described support bar 15 is in cuboid, and described groove is also in cuboid; Described support bar 15 and described groove matched in clearance, so that support bar 15 can easily insert in groove; Described screw has multiple, and the length direction interval along described groove is arranged, to improve the stability of support bar 15.
The object of such setting is to make user can regulate the height of trench digging main body 16 further, thus improves flexibility and the operability of ditching device.
In the present embodiment, described suppression support arm 19 has two, be rotationally connected with the left and right sides of described frame 1 respectively, described suppression support arm 19 is rotatably connected to adjusting screw(rod) 18 near the position of described packer 8, described adjusting screw(rod) 18 can rotate around Pivot Point Center line, and described adjutage is provided with the spindle nut 14 of mating with described adjusting screw(rod) 18 away from one end of frame 1.
Wherein, two suppression support arms 19 are pinned in described frame 1, to simplify structure; Described adjusting screw(rod) 18 is provided with rocking bar away from one end of described suppression support arm 19, so that user is dominated by hand, easy to operate.
The object of such setting is to make user can regulate packer 8 operating position by rotating adjusting screw(rod) 18, can also adjust and limit the rotary tillage process degree of depth, to adapt to the demand that needed for different seed, soil depth is inconsistent simultaneously.
In the present embodiment, between tractor and rotovator 9, adopt Chain conveyer.
It has nonelastic slip and skidding to adopt chaindriven object to be, reliable operation, and efficiency is high, and overload capacity is strong, can at high temperature, humidity, many dirt, have the feature worked in the adverse circumstances such as pollution.
In the present embodiment, described land wheel 2 is provided with the first drive sprocket and the second drive sprocket, described fertilizer spreader is provided with the first driven sprocket, described first drive sprocket and the first driven sprocket are arranged with the first driving chain, described seeder is provided with the second driven sprocket, described second drive sprocket and the second driven sprocket are arranged with the second driving chain.
The object of such setting is to make fertilizer planting machine and sower not need extra power drive, thus saves the energy, reduces costs.
In the present embodiment, described seed-box has two, be respectively middle seed case 5 and fine grain case 6, middle seed case 5 is connected with seeder respectively with fine grain case 6, many grain conductors comprise middle seed pipe 12 and fine grain pipe 13, described middle seed pipe 12 is connected with seeder respectively with fine grain pipe 13, and many middle seed pipes 12 and fine grain pipe 13 are arranged along the length direction alternate intervals of described packer 8.
Wherein, described middle seed case 5 is higher than described fine grain case 6; Described middle seed pipe 12 and fine grain pipe 13 include seed export, and described seed export inserts in described trench digging body.
The object of such setting is that its structure is simple, with low cost, effectively can realize sowing of different large fine grain.
This multiplex middle fine grain crop seeder adopts the structure of multiple seed-box, can be used for fine grain crop sowing in difference, the seed crop of the corresponding class size of each seed-box, achieve the effect of a tractor serves several purposes, not only structure is simple, with low cost, easy to maintenance, and environmental suitability is strong, overall economic efficiency is good.
Second embodiment, the device that the utility model embodiment provides, its technique effect realizing principle and generation is identical with preceding method embodiment, is concise and to the point description, and the not mentioned part of device embodiment part can with reference to corresponding contents in preceding method embodiment.
In the present embodiment, the surface of described frame 1, drive unit, seeding apparatus, rotary cultivator attachment, ditching device and suppression device is provided with anticorrosive coat.
Wherein, described anticorrosive coat is layer of paint or protecting film.
The object arranging anticorrosive coat is to prevent this crop seeder rust corrosion, extends the service life of this crop seeder.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (10)
1. a multiplex middle fine grain crop seeder, it is characterized in that, comprise frame, described frame is provided with drive unit, seeding apparatus, rotary cultivator attachment, ditching device and suppression device, described drive unit comprises the hitch frame be connected with tractor and the land wheel driven by tractor, described seeding apparatus comprises fertilizer can, at least two seed-boxes and the ditching device be arranged at bottom frame, described fertilizer can is connected with fertilizer spreader, described fertilizer spreader comprises fertilizer outlet, described seed-box is connected with seeder, described seeder is connected with the different grain conductor of many calibers, described grain conductor is away from the corresponding described ditching device in one end of described seeder, described ditching device comprises multiple trench digging main body, described rotary cultivator attachment comprises the rotovator driven by tractor, described rotovator is arranged at bottom described frame, described suppression device comprises the suppression support arm be connected with frame and the packer be connected on described suppression support arm, described fertilizer outlet, rotovator, ditching device and packer are set in turn in described frame from front to back.
2. multiplex middle fine grain crop seeder according to claim 1, it is characterized in that, described frame is arranged at intervals with two adjutages, horizontal support beam is removably connected with by the first U-bolt and the first nut between two adjutages, multiple trench digging main body is arranged along the length direction interval of described horizontal support beam, the top of each trench digging main body is connected with support bar, and each support bar is all connected on described horizontal support beam away from one end of described trench digging main body.
3. multiplex middle fine grain crop seeder according to claim 2, it is characterized in that, two adjutages are arranged with the first U-bolt respectively, the two ends of described first U-bolt opening are provided with the first threaded portion, the two ends of described horizontal support beam are respectively arranged with connecting plate, described connecting plate is perpendicular to the length direction of described horizontal support beam, on described connecting plate, the position of corresponding first threaded portion is provided with vertical bar hole, and described first threaded portion connects described first nut through after described bar hole.
4. multiplex middle fine grain crop seeder according to claim 2, it is characterized in that, described horizontal support beam is arranged with the second U-bolt, the two ends of described second U-bolt opening are respectively arranged with the second threaded portion, described support bar is provided with Connection Block away from one end of described trench digging main body, on described Connection Block, the position of corresponding second threaded portion is provided with installing hole, and described second threaded portion is connected with the second nut through after described installing hole.
5. multiplex middle fine grain crop seeder according to claim 4, it is characterized in that, described Connection Block being provided with the groove mated with described support bar and the screw be communicated with described groove, in described screw, being provided with the bolt for pushing against described support bar.
6. multiplex middle fine grain crop seeder according to claim 2, it is characterized in that, described suppression support arm has two, be rotationally connected with the left and right sides of described frame respectively, described suppression support arm is rotatably connected to adjusting screw(rod) near the position of described packer, described adjusting screw(rod) can rotate around Pivot Point Center line, and described adjutage is provided with the spindle nut of mating with described adjusting screw(rod) away from one end of frame.
7. multiplex middle fine grain crop seeder according to claim 1, is characterized in that, adopt Chain conveyer between tractor and rotovator.
8. multiplex middle fine grain crop seeder according to claim 1, it is characterized in that, described land wheel is provided with the first drive sprocket and the second drive sprocket, described fertilizer spreader is provided with the first driven sprocket, described first drive sprocket and the first driven sprocket are arranged with the first driving chain, described seeder is provided with the second driven sprocket, described second drive sprocket and the second driven sprocket are arranged with the second driving chain.
9. multiplex middle fine grain crop seeder according to claim 1, it is characterized in that, described seed-box has two, be respectively middle seed case and fine grain case, middle seed case is connected with seeder respectively with fine grain case, many grain conductors comprise middle seed pipe and fine grain pipe, and described middle seed pipe is connected with seeder respectively with fine grain pipe, and many middle seed pipes and fine grain pipe are arranged along the length direction alternate intervals of described packer.
10. multiplex middle fine grain crop seeder according to claim 1, is characterized in that, the surface of described frame, drive unit, seeding apparatus, rotary cultivator attachment, ditching device and suppression device is provided with anticorrosive coat.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520383751.6U CN204652905U (en) | 2015-06-04 | 2015-06-04 | Multiplex middle fine grain crop seeder |
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| CN201520383751.6U CN204652905U (en) | 2015-06-04 | 2015-06-04 | Multiplex middle fine grain crop seeder |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108901226A (en) * | 2018-08-30 | 2018-11-30 | 湖南省农友机械集团有限公司 | A kind of crawler belt is from walking associated mode rotary tillage sowing machine |
| CN109997456A (en) * | 2019-05-20 | 2019-07-12 | 长治市农业种子站 | A kind of agricultural production seeding apparatus and its type of seeding |
| CN111034421A (en) * | 2019-12-06 | 2020-04-21 | 泰安市农业科学研究院 | Adjustable wide-width green manure crop seeder |
| CN111034420A (en) * | 2019-12-06 | 2020-04-21 | 泰安市农业科学研究院 | Wide-width precise mixed sowing machine for green manure crops |
| CN111034422A (en) * | 2019-12-06 | 2020-04-21 | 泰安市农业科学研究院 | Double-shaft wide-width green manure crop seeder |
| CN111034424A (en) * | 2019-12-06 | 2020-04-21 | 泰安市农业科学研究院 | Single-rotation double-shaft green manure crop mixed sowing machine |
| CN111034423A (en) * | 2019-12-06 | 2020-04-21 | 泰安市农业科学研究院 | Single-rotation single-shaft green manure crop seeder |
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2015
- 2015-06-04 CN CN201520383751.6U patent/CN204652905U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108901226A (en) * | 2018-08-30 | 2018-11-30 | 湖南省农友机械集团有限公司 | A kind of crawler belt is from walking associated mode rotary tillage sowing machine |
| CN109997456A (en) * | 2019-05-20 | 2019-07-12 | 长治市农业种子站 | A kind of agricultural production seeding apparatus and its type of seeding |
| CN111034421A (en) * | 2019-12-06 | 2020-04-21 | 泰安市农业科学研究院 | Adjustable wide-width green manure crop seeder |
| CN111034420A (en) * | 2019-12-06 | 2020-04-21 | 泰安市农业科学研究院 | Wide-width precise mixed sowing machine for green manure crops |
| CN111034422A (en) * | 2019-12-06 | 2020-04-21 | 泰安市农业科学研究院 | Double-shaft wide-width green manure crop seeder |
| CN111034424A (en) * | 2019-12-06 | 2020-04-21 | 泰安市农业科学研究院 | Single-rotation double-shaft green manure crop mixed sowing machine |
| CN111034423A (en) * | 2019-12-06 | 2020-04-21 | 泰安市农业科学研究院 | Single-rotation single-shaft green manure crop seeder |
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