CN212992942U - Corn combined seeding mechanism - Google Patents
Corn combined seeding mechanism Download PDFInfo
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- CN212992942U CN212992942U CN202021512920.9U CN202021512920U CN212992942U CN 212992942 U CN212992942 U CN 212992942U CN 202021512920 U CN202021512920 U CN 202021512920U CN 212992942 U CN212992942 U CN 212992942U
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- 240000008042 Zea mays Species 0.000 title claims abstract description 27
- 238000007493 shaping process Methods 0.000 claims abstract description 52
- 238000004140 cleaning Methods 0.000 claims abstract description 33
- 238000003971 tillage Methods 0.000 claims abstract description 32
- 238000009331 sowing Methods 0.000 claims abstract description 27
- 239000000725 suspension Substances 0.000 claims abstract description 10
- 239000003337 fertilizer Substances 0.000 claims description 56
- 238000003756 stirring Methods 0.000 claims description 32
- 230000005540 biological transmission Effects 0.000 claims description 20
- 230000004720 fertilization Effects 0.000 claims description 7
- 238000005096 rolling process Methods 0.000 claims description 6
- 230000001360 synchronised Effects 0.000 claims description 3
- 241000209149 Zea Species 0.000 claims 6
- 235000016383 Zea mays subsp huehuetenangensis Nutrition 0.000 abstract description 4
- 235000009973 maize Nutrition 0.000 abstract description 4
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- 238000000034 method Methods 0.000 description 4
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- 230000000670 limiting Effects 0.000 description 2
- 230000035699 permeability Effects 0.000 description 2
- 241000219310 Beta vulgaris subsp. vulgaris Species 0.000 description 1
- 240000000218 Cannabis sativa Species 0.000 description 1
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- 238000005520 cutting process Methods 0.000 description 1
- 230000003628 erosive Effects 0.000 description 1
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- 229910052742 iron Inorganic materials 0.000 description 1
- 235000021374 legumes Nutrition 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
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Abstract
The utility model provides a maize combined seeding mechanism, include: the frame is horizontally arranged, the advancing direction of the sowing mechanism is the front direction, and a suspension frame, a deep loosening plough hook, a rotary tillage stubble cleaning seedling belt processing mechanism, a ridge row shaping mechanism and a sowing mechanism are respectively arranged on the frame from front to back; a suspension bracket provided at a front portion of the frame; the deep-loosening plough hooks are arranged on the rack at equal intervals, and the connecting lines of the deep-loosening plough hooks are vertical to the advancing direction of the sowing mechanism; the rotary tillage stubble-cleaning seedling strip processing mechanism comprises a rotary cutter shaft, stubble-cleaning blades and a gearbox, wherein the stubble-cleaning blades are arranged on the rotary cutter shaft, and the gearbox is provided with a universal shaft connected with a power output shaft of the backpack tractor; and the ridge row shaping mechanism is arranged on the ridge row formed by the adjacent deep loosening plough hooks. The utility model discloses not only prevent that the clod on the seedling area from influencing subsequent seeding quality, omit special flat ditch device moreover, make the utility model discloses a corn combined seeder structure is simpler.
Description
Technical Field
The utility model belongs to the field of agricultural no (little) tillage seeding, in particular to a corn combined seeding mechanism.
Background
A seed planter (seed) is a planting machine that uses crop seeds as planting objects. Seeders for certain types or crops are often referred to by the name of the crop type, such as grain drill, corn hill planter, cotton planter, grass spreader, and the like. With the development of seed planters, the versatility and adaptability to different seeds, seeding rates, planting distances, and various soil and ground conditions are further expanding, while various combined machines and no-tillage seed planters are also continuing to develop. Will be more widely applied to corn, sugar beet, cotton, legumes and certain vegetable crops.
In the prior art, a corn combined seeder mainly comprises a deep scarification mechanism, a stubble cleaning mechanism, a rotary tillage mechanism, a ploughshare mechanism and a seeder, wherein in the working process, corn stubbles are firstly smashed by the stubble cleaning mechanism, then surface soil is smashed by the rotary tillage mechanism and is beaten into a loose state, and finally seeding is carried out by the seeding mechanism. When the rotary tillage mechanism in the corn combined seeder with the structure works, the surface soil is beaten into a loose state, and simultaneously, the rotary tillage cutter head rotating at high speed tamps the soil below the cutter head to cause the loose surface soil and the hardened bottom soil, which are not beneficial to the fixation of corn root systems and easy to cause corn lodging, moreover, the excessive loose surface soil is also not beneficial to soil drought resistance and soil moisture conservation, the soil hardening and water permeable and air permeable effects of the full straw mulching mode are poor, the air temperature in the seeding period is low, the cold soil causes the phenomena of small seedlings, weak seedlings and purple seedlings (phosphorus deficiency), and the iron ridge area has concrete performance in spring 2020; and in the straw row-returning no-tillage mode, although the straw row-returning treatment is performed, the problems of soil hardening, water permeability and air permeability are not effectively solved although the ground temperature can be improved, and the operation cost is increased by one more time of ground feeding operation. The straw mulching strip-ploughing mode has the advantage of lacking other modes through demonstration experiments in recent years, and the mode only strips the seeding strip, so that the soil moving area is less than 40%, and a proper and good seed sound growth environment can be manufactured. However, if strip tilling and sowing are separately implemented, the operation cost is also increased, so that the rotary tillage and sowing combined all-in-one machine is developed by many agricultural machinery enterprises, and the corn combined sowing machine in the prior art mainly comprises a deep loosening mechanism, a stubble cleaning mechanism, a rotary tillage mechanism, a ploughshare mechanism and a sowing mechanism.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a corn combined seeder, this corn combined seeder simple structure, rationally distributed, one operation just can accomplish subsoiling, layering and execute base fertilizer, seedling area and handle, execute mouthful fertile, seeding operation, can not form the hardsoil layer under the soil top layer after the operation, and can be handled by subsequent stubble-cleaning mechanism at soil surface remaining soil block after subsoiling executes the base fertilizer, promotes seeding environment and quality.
In order to achieve the above object, the utility model provides a maize combined seeding mechanism, include:
the frame is horizontally arranged, the advancing direction of the sowing mechanism is the front direction, and a suspension frame, a deep loosening plough hook, a rotary tillage stubble cleaning seedling belt processing mechanism, a ridge row shaping mechanism and a sowing mechanism are respectively arranged on the frame from front to back;
the suspension bracket is arranged at the front part of the frame and is used for being connected with a back-carrying tractor;
the deep-loosening plough hooks are arranged on the rack at equal intervals, and the connecting lines of the deep-loosening plough hooks are vertical to the advancing direction of the sowing mechanism;
the rotary tillage stubble-cleaning seedling strip processing mechanism comprises a rotary cutter shaft, stubble-cleaning blades and a gearbox, wherein the stubble-cleaning blades are arranged on the rotary cutter shaft, the gearbox is provided with a universal shaft connected with a power output shaft of the backpack tractor, and the gearbox is used for providing rotary power for the rotary cutter shaft;
ridge line plastic mechanism, it sets up on the ridge line that adjacent subsoiling plow hook formed, ridge line plastic mechanism includes first shaping plate, second shaping plate and third shaping plate, first shaping plate level sets up, second shaping plate and third shaping plate respectively with the both ends of first shaping plate are connected, and all with first shaping plate becomes 100 ~ 120 jiaos, first shaping plate with be provided with many springs between the frame.
The preferred scheme is as follows: still include layering fertilizer injection unit, include:
the layered fertilizing nozzles are arranged at the lower part of the deep scarification plough hook at intervals from top to bottom;
the bottom fertilizer box is fixedly arranged on the rack;
a fertilizer apparatus;
and one end of the fertilizer sliding pipe is connected with a fertilizer output port of the fertilizer distributor, and the other end of the fertilizer sliding pipe is connected with the layered fertilization nozzle.
The preferred scheme is as follows: the seeding mechanism is a precision seeder with synchronous fertilizing function.
The preferred scheme is as follows: the frame between the rotary tillage stubble-cleaning seedling belt processing mechanism and the seeding mechanism is also provided with a power take-off land wheel which provides power for the seeding mechanism and the fertilizer apparatus, the power take-off land wheel is hinged on the frame through a trailing arm, the trailing arm is provided with a transmission mechanism which transmits the output torque of a wheel shaft of the power take-off land wheel to a power shaft fixed on the frame, and the transmission mechanism is arranged between the power shaft and the seeding mechanism as well as the fertilizer apparatus.
The preferred scheme is as follows: and the transmission mechanism among the power shaft, the seeding mechanism and the fertilizer distributor is a chain and chain wheel transmission pair.
The preferred scheme is as follows: one end of the spring is fixedly connected with the rack, and the other end of the spring is fixedly connected with the upper end face of the first shaping plate.
The preferred scheme is as follows: the base fertilizer box is internally provided with a stirring device, the stirring device comprises a stirring shaft and stirring blades, one end of the stirring shaft is in transmission connection with the output end of the motor, the other end of the stirring shaft is in rolling connection with a rolling bearing arranged on one side of the inner wall of the base fertilizer box, and the stirring shaft is provided with a plurality of stirring blades.
The utility model has the advantages that:
1. the stirring device is arranged in the base fertilizer box, the stirring shaft and the stirring blades can well mix and stir the granular fertilizer, so that the mixing degree among various fertilizers is improved;
2. the layered fertilizing nozzles are arranged at intervals from top to bottom at the lower part of the deep scarification plow hook, and the effect of layered fertilizer application can be realized without the help of a deep groove shovel, so that layered fertilizer application is realized;
3. the utility model is provided with the ridge row shaping mechanism, and then the shaping plate is used for shaping the ridge rows, thus ensuring that the formed ridge rows are smoother, tidier and more beautiful, the seeding of crops is more convenient, and the growth of the crops is facilitated;
4. the utility model discloses optimized the rotary tillage mechanism among the current corn combined drill, avoided the whole rotary tillage in soil top layer, optimized into the interval strip and revolved, built good seedbed environment. The corn seedling-planting machine can effectively prevent corn from lodging due to difficulty in deep root-pricking, improves the ground temperature, retains the straws to the maximum extent, breaks the plough bottom layer through the deep loosening and layered fertilizing mechanism, treats seedling with seeds by the strip-rotating 7-shaped cutter, creates a good growing environment for seeding, covers the straws on the seedling side, does not disturb the seeding process, and meets the technical requirement of protective farming.
5. The utility model discloses arrange the place ahead at rotary tillage stubble-cleaning seedling area processing mechanism with the subsoiling plow hook, the during operation utilizes rotary tillage stubble-cleaning seedling area processing mechanism to handle the soil block that the subsoiling plow hook was shoveled out, can prevent that the soil block on the seedling area from influencing subsequent seeding quality to, can also omit special gutter straightening device, make the utility model discloses a corn combined seeder structure is simpler.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic structural view of the ridge row shaping mechanism of the present invention.
Detailed Description
The present invention is further described in detail below with reference to the drawings so that those skilled in the art can implement the invention with reference to the description.
It will be understood that terms such as "having," "including," and "comprising," as used herein, do not preclude the presence or addition of one or more other elements or groups thereof.
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.
In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise. In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to the specific situation for a user of ordinary skill in the art.
The utility model provides a maize combined seeding mechanism, include:
the machine frame 10 is horizontally arranged, the advancing direction of the seeding mechanism is the front direction, and a suspension bracket, a deep loosening plough hook 20, a rotary tillage stubble cleaning seedling belt processing mechanism, a ridge row shaping mechanism 60 and a seeding mechanism are respectively arranged on the machine frame 10 from front to back;
the suspension bracket is arranged at the front part of the frame 10 and is used for being connected with a knapsack tractor;
the deep-loosening plough hooks 20 are arranged on the rack 10 at equal intervals, and the connecting lines of the deep-loosening plough hooks 20 are vertical to the advancing direction of the sowing mechanism;
the rotary tillage stubble-cleaning seedling strip processing mechanism comprises a rotary cutter shaft 30, stubble-cleaning blades 31 and a gearbox (not shown), wherein the stubble-cleaning blades 31 are arranged on the rotary cutter shaft 30 at intervals of about 18-20cm according to the width of a seedling strip, a universal shaft (not shown) connected with a power output shaft of the backpack tractor is arranged on the gearbox (not shown), and the gearbox (not shown) is used for providing rotary power for the rotary cutter shaft 30;
ridge row plastic mechanism 60, it sets up on the ridge row that adjacent subsoiling plow hook 20 formed, ridge row plastic mechanism 60 includes first shaping plate 62, second shaping plate 63 and third shaping plate 64, first shaping plate 62 level sets up, second shaping plate 63 and third shaping plate 64 respectively with first shaping plate 62's both ends are connected, and all with first shaping plate 62 becomes 100 ~ 120 jiaos, first shaping plate 62 with be provided with many springs 61 between the frame 10.
The utility model optimizes the rotary tillage stubble cleaning mechanism in the prior corn combined seeder, avoids the integral rotary tillage of the soil surface layer, optimizes into the interval strip rotation, and builds a good seedbed environment. The corn lodging caused by difficult deep root cutting of the corn can be effectively prevented, the ground temperature is improved, the straws are retained to the maximum extent, the plough bottom layer is broken through the deep loosening and layered fertilizing mechanism, the seedling pre-treatment is carried out on the seedling by the strip-rotating 7-shaped cutter, a good growing environment is created for seeding, the seedling side is covered by the straws, the seeding process is not disturbed, and the technical requirement of protective cultivation is met;
the utility model arranges the deep-loosening plough hook in front of the rotary tillage stubble-cleaning seedling belt processing mechanism, and the rotary tillage stubble-cleaning seedling belt processing mechanism is used to process soil blocks shoveled by the deep-loosening plough hook during working, thereby preventing the soil blocks on the seedling belt from influencing the subsequent sowing quality, and omitting a special furrow-leveling device, so that the corn combined seeder has simpler structure; the utility model has reasonable structure and reliable performance, and is an ideal machine tool of high-performance no-tillage seeding which accords with the protective farming mode at present. The utility model discloses once accomplish the side dark (dark pine) in not soil preparation plot and apply fertilizer, shallow seedling area of revolving, ditching seeding, combined operation such as earthing suppression. The utility model discloses can effectively alleviate soil wind erosion water and lose, increase soil fertility and soil moisture conservation drought-resistant ability, improve agroecological and economic benefits, the northeast area protective farming of china gains obvious progress, and technical model is overall stereotyped, and key machines pass through basically, have possessed the basis of popularizing and applying comprehensively in suitable region.
The utility model discloses a another embodiment still includes the layering fertilizer injection unit, include:
the layered fertilization nozzles 24 are arranged at the lower part of the deep scarification plough hook 20 at intervals from top to bottom;
a bottom fertilizer box 23 fixedly arranged on the frame 10;
a fertilizer apparatus (not shown);
and one end of the fertilizer sliding pipe 21 is connected with a fertilizer output port of the fertilizer distributor, and the other end of the fertilizer sliding pipe is connected with the layered fertilization nozzle 24.
In another embodiment of the present invention, the sowing mechanism has a precision sowing device 50 with a synchronous fertilizing function.
The utility model discloses a another embodiment still is equipped with the power of getting land wheel 40 that provides power for sowing mechanism and fertilizer apparatus in the frame between rotary tillage stubble-cleaning seedling area processing mechanism and the sowing mechanism, and power of getting land wheel 40 passes through trailing arm 41 and articulates in frame 10, and 41 are equipped with on the trailing arm and transmit the power transmission mechanism of power axle to fixing in frame 10 with the power of getting 40 shaft output torque of land wheel on the trailing arm, are equipped with drive mechanism between power axle and sowing mechanism, fertilizer apparatus.
In another embodiment of the present invention, the transmission mechanism between the power shaft and the sowing mechanism and between the power shaft and the fertilizer apparatus is a chain and chain wheel transmission pair.
In another embodiment of the present invention, one end of the spring 61 is fixedly connected to the frame 10, and the other end is fixedly connected to the upper end surface of the first shaping plate 62.
The utility model discloses a further embodiment, be provided with agitating unit (not shown) in the end fertilizer case 23, agitating unit includes stirring shaft and stirring leaf, the one end of stirring shaft is connected with the output transmission of motor, and the other end is in with the setting the antifriction bearing roll connection of end fertilizer incasement wall one side, be provided with a plurality of stirring leaves on the stirring shaft.
The utility model discloses another embodiment, this embodiment provides a maize combined seeding mechanism, include:
the machine frame 10 is horizontally arranged, the advancing direction of the seeding mechanism is the front direction, and a suspension bracket, a deep loosening plough hook 20, a rotary tillage stubble cleaning seedling belt processing mechanism, a ridge row shaping mechanism 60 and a seeding mechanism are respectively arranged on the machine frame 10 from front to back;
the suspension bracket is arranged at the front part of the frame 10 and is used for being connected with a knapsack tractor;
the deep-loosening plough hooks 20 are arranged on the rack 10 at equal intervals, and the connecting lines of the deep-loosening plough hooks 20 are vertical to the advancing direction of the sowing mechanism;
the rotary tillage stubble-cleaning seedling strip processing mechanism comprises a rotary cutter shaft 30, stubble-cleaning blades 31 and a gearbox (not shown), wherein the stubble-cleaning blades 31 are installed on the rotary cutter shaft 30, a universal shaft connected with a power output shaft of the backpack tractor is arranged on the gearbox (not shown), and the gearbox (not shown) is used for providing rotary power for the rotary cutter shaft;
the ridge row shaping mechanism 60 is arranged on a ridge row formed by adjacent deep-loosening plough hooks 20, the ridge row shaping mechanism 60 comprises a first shaping plate 62, a second shaping plate 63 and a third shaping plate 64, the first shaping plate 62 is horizontally arranged, the second shaping plate 63 and the third shaping plate 64 are respectively connected with two ends of the first shaping plate 62 and form an angle of 100-120 degrees with the first shaping plate 62, a plurality of springs 61 are arranged between the first shaping plate 62 and the rack 10, one end of each spring 61 is fixedly connected with the rack 10, and the other end of each spring 61 is fixedly connected with the upper end face of the first shaping plate 62;
layered fertilizer injection unit includes: the layered fertilization nozzles 24 are arranged at the lower part of the deep scarification plough hook 20 at intervals from top to bottom; the bottom fertilizer box 23 is fixedly arranged on the rack 10, a stirring device is arranged in the bottom fertilizer box 23 and comprises a stirring shaft and stirring blades, one end of the stirring shaft is in transmission connection with the output end of a motor, the other end of the stirring shaft is in rolling connection with a rolling bearing arranged on one side of the inner wall of the bottom fertilizer box, and the stirring shaft is provided with a plurality of stirring blades; a fertilizer apparatus; one end of the fertilizer sliding pipe 21 is connected with a fertilizer output port of the fertilizer distributor, and the other end of the fertilizer sliding pipe is connected with the layered fertilization nozzle 24;
a sowing mechanism having a precision seeder 50 with a function of synchronously applying a fertilizer;
the power take-off land wheel 40 is arranged on the frame between the rotary tillage stubble-cleaning seedling belt processing mechanism and the seeding mechanism, the power take-off land wheel 40 provides power for the seeding mechanism and the fertilizer distributor, the power take-off land wheel 40 is hinged on the frame 10 through a trailing arm 41, a transmission mechanism which transmits the output torque of a wheel shaft of the power take-off land wheel 40 to a power shaft fixed on the frame 10 is arranged on the trailing arm 41, a manual gear transmission case 32 is arranged in the transmission mechanism between the power shaft and the seeding mechanism and between the power shaft and the fertilizer distributor, and the transmission mechanism between the power shaft and the seeding mechanism and between the power shaft and the fertilizer distributor is a chain and chain wheel transmission pair.
While the embodiments of the invention have been described above, it is not intended to be limited to the details shown, or described, but rather to cover all modifications, which would come within the scope of the appended claims, and all changes which come within the meaning and range of equivalency of the art are therefore intended to be embraced therein.
Claims (7)
1. Corn combined seeding mechanism, its characterized in that includes:
the frame is horizontally arranged, the advancing direction of the sowing mechanism is the front direction, and a suspension frame, a deep loosening plough hook, a rotary tillage stubble cleaning seedling belt processing mechanism, a ridge row shaping mechanism and a sowing mechanism are respectively arranged on the frame from front to back;
the suspension bracket is arranged at the front part of the frame and is used for being connected with a back-carrying tractor;
the deep-loosening plough hooks are arranged on the rack at equal intervals, and the connecting lines of the deep-loosening plough hooks are vertical to the advancing direction of the sowing mechanism;
the rotary tillage stubble-cleaning seedling strip processing mechanism comprises a rotary cutter shaft, stubble-cleaning blades and a gearbox, wherein the stubble-cleaning blades are arranged on the rotary cutter shaft, the gearbox is provided with a universal shaft connected with a power output shaft of the backpack tractor, and the gearbox is used for providing rotary power for the rotary cutter shaft;
ridge line plastic mechanism, it sets up on the ridge line that adjacent subsoiling plow hook formed, ridge line plastic mechanism includes first shaping plate, second shaping plate and third shaping plate, first shaping plate level sets up, second shaping plate and third shaping plate respectively with the both ends of first shaping plate are connected, and all with first shaping plate becomes 100 ~ 120 jiaos, first shaping plate with be provided with many springs between the frame.
2. The corn co-sowing mechanism of claim 1, further comprising a layered fertilization device comprising:
the layered fertilizing nozzles are arranged at the lower part of the deep scarification plough hook at intervals from top to bottom;
the bottom fertilizer box is fixedly arranged on the rack;
a fertilizer apparatus;
and one end of the fertilizer sliding pipe is connected with a fertilizer output port of the fertilizer distributor, and the other end of the fertilizer sliding pipe is connected with the layered fertilization nozzle.
3. The corn combined sowing mechanism of claim 1, wherein the sowing mechanism has a precision seeder with synchronous fertilizing function.
4. The corn combined seeding mechanism according to claim 2, wherein a power take-off land wheel for providing power for the seeding mechanism and the fertilizer apparatus is further installed on the frame between the rotary tillage stubble-cleaning seedling belt processing mechanism and the seeding mechanism, the power take-off land wheel is hinged on the frame through a trailing arm, a transmission mechanism for transmitting the output torque of a wheel shaft of the power take-off land wheel to a power shaft fixed on the frame is arranged on the trailing arm, and a transmission mechanism is arranged between the power shaft and the seeding mechanism and the fertilizer apparatus.
5. The corn combined seeding mechanism according to claim 4, wherein the transmission mechanism among the power shaft, the seeding mechanism and the fertilizer distributor is a chain and chain wheel transmission pair.
6. The corn co-sowing mechanism according to claim 1, wherein one end of the spring is fixedly connected with the frame, and the other end of the spring is fixedly connected with the upper end face of the first shaping plate.
7. The corn combined seeding mechanism according to claim 2, wherein a stirring device is arranged in the basal fertilizer box, the stirring device comprises a stirring shaft and stirring blades, one end of the stirring shaft is in transmission connection with the output end of the motor, the other end of the stirring shaft is in rolling connection with a rolling bearing arranged on one side of the inner wall of the basal fertilizer box, and a plurality of stirring blades are arranged on the stirring shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021512920.9U CN212992942U (en) | 2020-07-27 | 2020-07-27 | Corn combined seeding mechanism |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021512920.9U CN212992942U (en) | 2020-07-27 | 2020-07-27 | Corn combined seeding mechanism |
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| Publication Number | Publication Date |
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| CN212992942U true CN212992942U (en) | 2021-04-20 |
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| CN202021512920.9U Active CN212992942U (en) | 2020-07-27 | 2020-07-27 | Corn combined seeding mechanism |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114158298A (en) * | 2021-11-24 | 2022-03-11 | 东北农业大学 | Rotary tillage and ridging assembly |
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2020
- 2020-07-27 CN CN202021512920.9U patent/CN212992942U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114158298A (en) * | 2021-11-24 | 2022-03-11 | 东北农业大学 | Rotary tillage and ridging assembly |
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