CN113692819A - High-efficiency monitoring potato planter - Google Patents
High-efficiency monitoring potato planter Download PDFInfo
- Publication number
- CN113692819A CN113692819A CN202011324621.7A CN202011324621A CN113692819A CN 113692819 A CN113692819 A CN 113692819A CN 202011324621 A CN202011324621 A CN 202011324621A CN 113692819 A CN113692819 A CN 113692819A
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- Prior art keywords
- potato
- potatoes
- supply
- driving wheel
- planter
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 235000002595 Solanum tuberosum Nutrition 0.000 title claims abstract description 170
- 244000061456 Solanum tuberosum Species 0.000 title claims abstract description 170
- 238000012544 monitoring process Methods 0.000 title claims abstract description 16
- 235000012015 potatoes Nutrition 0.000 claims abstract description 43
- 238000009331 sowing Methods 0.000 claims abstract description 12
- 239000002689 soil Substances 0.000 claims abstract description 10
- 230000008878 coupling Effects 0.000 claims abstract description 7
- 238000010168 coupling process Methods 0.000 claims abstract description 7
- 238000005859 coupling reaction Methods 0.000 claims abstract description 7
- 238000010899 nucleation Methods 0.000 abstract description 9
- 241000196324 Embryophyta Species 0.000 abstract description 7
- 238000007599 discharging Methods 0.000 abstract description 4
- 230000000694 effects Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 3
- 239000000428 dust Substances 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 208000036829 Device dislocation Diseases 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 235000021384 green leafy vegetables Nutrition 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
Images
Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C9/00—Potato planters
- A01C9/02—Potato planters with conveyor belts
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C9/00—Potato planters
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C1/00—Apparatus, or methods of use thereof, for testing or treating seed, roots, or the like, prior to sowing or planting
- A01C1/005—Potato seed cutters
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C15/00—Fertiliser distributors
- A01C15/005—Undercarriages, tanks, hoppers, stirrers specially adapted for seeders or fertiliser distributors
- A01C15/006—Hoppers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
- B60Y2200/00—Type of vehicle
- B60Y2200/20—Off-Road Vehicles
- B60Y2200/22—Agricultural vehicles
- B60Y2200/221—Tractors
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
- Y02P60/20—Reduction of greenhouse gas [GHG] emissions in agriculture, e.g. CO2
Abstract
The invention provides a high-efficiency monitoring potato planter which is characterized by comprising the following components: a three-point coupling frame combined with the tractor; the body frame is connected with the three-point connecting frame through a chain; a driving wheel which is arranged on the body frame and rotates through the traction force of the tractor to generate the driving force of the seeding machine; a rotary pulley connected to the driving wheel for transmitting the rotary force of the driving wheel to the sowing part; a potato supply belt for taking power from the rotary pulley to transfer potatoes; a potato discharge roller for discharging the potatoes supplied from the potato supply belt to a potato discharge port; covering soil in a tray; and a potato sensing sensor positioned at an upper side between the potato supply belt and the potato supply part to prevent the shortage of the supply of potatoes to cause the plant shortage. With the above configuration, the potatoes for sowing having a shape other than a circular shape are stably discharged from the potato discharge roller on the potato supply belt, and thus the potatoes can be sown without leaving a plant gap.
Description
Technical Field
The invention relates to a potato planter. And more particularly to a high efficiency potato seeding apparatus.
Background
According to the prior art disclosed before the present invention of the application, there is disclosed a technology relating to a potato planter comprising a chain having a lower turn and an upper turn to constitute a closed curve form; a chain wheel meshed with the chain and freely rotatably arranged on the frame; a plurality of clips coupled to the chain and moving together with the chain; a guide that guides the clip; the clip is closed when inserted into the guide through the upper turn of the chain, and opened at the lower turn after passing through the guide.
According to another prior art, there is disclosed a device for moving the whole potatoes loaded in a hopper by a conveyor belt in a traction movement of a tractor, so that the moved whole potatoes are divided into two parts by a cutter and left and right fall into a cultivated land, the device comprising a frame having a traction part at a front end and wheels at a lower part so as to be moved by the traction of the tractor; a rotating part arranged at the front lower part of the frame; a hopper arranged at the rear upper part of the frame and used for loading potatoes; a transfer conveyor belt for sequentially transferring the potatoes loaded in the hopper; a cutting part for cutting the potatoes transferred by the transfer conveyor into half; a drop chute for dropping the potatoes cut by the cutting part onto a ridge; the ridge forming part at the lower part of the throwing chute.
[ Prior art documents ]
[ patent document ]
(patent document 0001) granted patent publication No. 10-1557365
(patent document 0002) granted patent publication No. 10-1937226
Disclosure of Invention
Technical problem
The existing potato planter adopts a pot or a box body for containing potatoes to plant the potatoes to be planted in a mechanism such as a cup. However, since the potatoes grown on the great greens are sowed in two or four times in korea to grow the potatoes, the potatoes for sowing have various sizes and shapes, and thus, the potatoes are sowed in a mechanism such as a cup, which has a problem of a lot of plants being cut.
Further, in order to seed the seeds at the traveling speed of the tractor, the tractor frequently slips on the farmland, and when the PTO (Power Take Off) shaft of the tractor is used, there is a problem that the seeding intervals are not uniform due to the slip. In order to solve such problems, seeding apparatuses having unpowered wheels and seeding using power of rotation of the wheels are widely used. However, it has a problem that the frictional force of the device moved by the power of the wheels in the case of the post-rain work causes the wheels not to rotate but to slip, resulting in inconsistency of the sowing intervals.
The present invention has been made to solve the above problems, and an object of the present invention is to provide a potato sensor in a section between a seed hopper and a hopper seed transfer belt, which monitors supply of potatoes without loss of plants to prevent plant loss, and has a ground contact force sensing wheel for sensing sliding of the wheel, so that a certain interval between seedlings can be maintained.
Technical scheme
The present invention provides the following means to solve the above problems.
The utility model provides a high efficiency control potato planter which characterized in that includes:
a three-point coupling frame combined with the tractor;
the body frame is connected with the three-point connecting frame through a chain;
a driving wheel which is arranged on the body frame and rotates through the traction force of the tractor to generate the driving force of the seeding machine;
a rotary pulley connected to the driving wheel for transmitting the rotary force of the driving wheel to the sowing part;
a potato supply belt for taking power from the rotary pulley to transfer potatoes;
a potato discharge roller for discharging the potatoes supplied from the potato supply belt to a potato discharge port; and
and (7) covering soil in a pan.
Also, there is provided a high-efficiency monitoring potato planter characterized in that a potato supply part is provided at an upper portion of the potato supply belt.
And, provide a high efficiency control potato planter which characterized in that includes: a potato supply sensing mechanism having a potato sensing sensor located at an upper side between the potato supply belt and the potato supply part, checking whether the supply of potatoes from the potato supply part to the potato supply belt is insufficient.
And, provide a high efficiency control potato seeder characterized in that, have between drive wheel and the body frame can adjust the distance between the body frame and the drive wheel so that improve the distance adjustment back shaft of the ground connection power of drive wheel.
Also, there is provided a high-efficiency monitoring potato planter characterized in that the drive wheel is further provided with an encoder for confirming rotation of the drive wheel.
Further, the present invention provides a high-efficiency monitoring potato planter, which is characterized in that a ground contact force sensing wheel having an encoder is additionally provided on the same axis as the driving wheel independently of the driving wheel, and whether the driving wheel is rotating normally is sensed by measuring the number of rotations of the driving wheel and the number of rotations of the ground contact force sensing wheel.
Further, in the potato planting method using the high-efficiency monitoring potato planter, when the difference between the rotation numbers of the driving wheels and the ground contact force sensing wheels is 1 or more, the three-point coupling frame of the tractor is lowered by control to increase the ground contact force, so that the driving wheels can normally rotate by the force of the ground contact force.
Technical effects
The present invention provides a potato planter capable of stably discharging potatoes, which are not circular in shape, from a potato discharge roller by the above-mentioned structure, thereby planting potatoes without leaving a plant gap, and having an effect of maintaining a constant planting interval by a ground contact force sensing wheel attached to the driving wheel.
Drawings
FIG. 1 is a tractor attachment of a Z-shaped potato planter of the present invention;
FIG. 2 is a side view of the Z-shaped potato planter of the present invention;
FIG. 3 is a rear view of the Z-shaped potato planter of the present invention;
FIG. 4 is a perspective view of the Z-shaped potato planter of the present invention;
FIG. 5 is a top plan view of the Z-shaped potato planter of the present invention;
fig. 6 is a moving path of potatoes of the Z-shaped potato planter of the present invention;
FIG. 7 is a schematic view showing the drive flow of the Z-shaped potato planter of the present invention;
FIG. 8 is an attached side view of a ground force sensing wheel for measuring ground force of the Z-shaped potato planter of the present invention;
fig. 9 is a rear view of a ground force sensing wheel for measuring a ground force of the Z-shaped potato planter of the present invention;
fig. 10 is a schematic view of the arrangement of the potato sensing sensor of the present invention.
Description of the reference numerals
100: the Z-shaped potato planter 200: driving wheel
210: ground contact force sensing wheel 215: friction wing
300: potato supply section 310: potato outlet
320: potato discharge roller 330: potato supply belt
400: soil covering plate
Detailed Description
The operation and effect of the present invention will be described with reference to the drawings.
Fig. 1 is a photograph showing an actual installation of a Z-shaped potato planter of the present invention. The reason why the sowing machine of the present invention is called a zigzag shape is a supply method of potatoes for sowing such as zigzag supply. Referring first to fig. 6, the supplied potatoes for seeding are transferred forward when the supplied potatoes for seeding are supplied to a potato supply portion, and the side of the potato supply portion pulled by a tractor is referred to as the front side. The potatoes supplied in this way are supplied to a potato supply belt, and are gathered to a center supply by a belt having a diameter decreasing from an outer contour toward the center in the potato supply belt. The potatoes transferred on the potato supply belt are transferred to the upper end of the potato discharge port by the potato discharge roller according to the rotation number of the driving wheel. The potatoes thus moved are discharged through the potato discharge port, and are covered with soil by the soil covering tray to complete sowing.
The powered movement is described as follows with reference to fig. 7. The rotation of the left lower end drive wheel in the direction of the chain double-dashed line indicates the power input, the chain double-dashed line indicates the movement of the potato discharge belt, and the chain single-dashed line indicates the power transmission between the drive seed sowing part and the intermediate power for the potato supply part to supply the potatoes. The dotted line shows the movement of power supplied to the potato supply.
Fig. 2 shows a side view of the Z-shaped potato planter of the present invention. The upper potato supply, the lower drive wheel and casing tray and the intermediate body frame can be seen.
Fig. 3 is a rear view of the Z-shaped potato planter of the present invention. The constitution of the soil covering plate, the driving wheel and the potato supply belt was confirmed.
Fig. 4 is a perspective view of the present invention, showing a potato outlet, a potato discharge roller, a potato supply part, a main body frame, etc., which are difficult to be recognized from a side view and a back view.
Fig. 5 is a schematic view of the Z-sensing planter of the present invention viewed from the front to the rear with the potato supply removed. It can be seen that a pair of potato supply strips are arranged side-to-side.
FIG. 8 is a side view of the present invention with a ground engaging force sensing wheel. FIG. 9 is a rear view of the present invention with a ground engaging force sensing wheel. Regarding the configuration and function of the ground force sensing wheel with reference to the two drawings, there may be a problem in that the soil quantity repulsive force is insufficient in transmitting power to the plurality of potato supply belts or the like by the rotational force of the rotation of the driving wheel in the paddy field or soft soil farmland. The ground contact force of the driving wheel can be improved by controlling the three-point coupling frame of the tractor, but when the ground contact force of the driving wheel is improved to be more than the requirement, the working efficiency is reduced, and the problem that the body frame may be deformed or broken is caused.
In order to solve such a problem, an auxiliary ground contact force sensing wheel may be provided on the drive wheel so as to be rotatable without friction with the drive wheel, encoders capable of counting the number of rotations may be provided on the drive wheel and the ground contact force sensing wheel to count the number of rotations, and the three-point link of the tractor may be controlled to increase the ground contact force of the drive wheel only when the difference between the number of rotations is large. The difference of the rotation numbers is controlled to be more than 5 degrees when the difference of each rotation circle is reached.
Fig. 10 is a schematic view illustrating a potato sensor according to the present invention, in which a potato sensor is provided at an upper portion of a potato transfer belt between a potato seed hopper and the potato transfer belt, the potato sensor senses and monitors potatoes in the potato transfer belt to prevent shortage of potatoes, and when the supply of potatoes is insufficient, the potato sensor controls the potato seed hopper to increase the supply of potatoes, or a warning is provided to an operator to interrupt work and add potatoes to the potato seed hopper, or the work is interrupted and potatoes which cannot move to a hopper discharge port in the potato seed hopper are moved to ensure that the work can be completed. In particular, in the case of a seed hopper capable of operating at a slightly higher speed when the potato seed hopper has a function of automatically supplying seeds, the slope can be adjusted to control the potato seed hopper so that the potato seeds can be smoothly supplied.
The potato sensor may be a non-contact sensor such as an ultrasonic proximity sensor or an infrared sensor, or a contact sensor such as a gravity sensor or an impact sensor, but the ultrasonic proximity sensor has a remarkable effect in that the contact sensor such as a gravity sensor or an impact sensor has less malfunction in a state of a large amount of moisture and dust, and the ultrasonic proximity sensor which is less affected by sunlight is used in a state of a small amount of dust and moisture.
The present invention provides the following configuration to obtain the above-described operational effects.
The utility model provides a high efficiency control potato planter which characterized in that includes:
a three-point coupling frame combined with the tractor;
the body frame is connected with the three-point connecting frame through a chain;
a driving wheel which is arranged on the body frame and rotates through the traction force of the tractor to generate the driving force of the seeding machine;
a rotary pulley connected to the driving wheel for transmitting the rotary force of the driving wheel to the sowing part;
a potato supply belt for taking power from the rotary pulley to transfer potatoes;
a potato discharge roller for discharging the potatoes supplied from the potato supply belt to a potato discharge port; and
and (7) covering soil in a pan.
Also, there is provided a high-efficiency monitoring potato planter characterized in that a potato supply part is provided at an upper portion of the potato supply belt.
And, provide a high efficiency control potato seeder characterized in that, have between drive wheel and the body frame can adjust the distance between the body frame and the drive wheel so that improve the distance adjustment back shaft of the ground connection power of drive wheel.
Also, there is provided a high-efficiency monitoring potato planter characterized in that the drive wheel is further provided with an encoder for confirming rotation of the drive wheel.
Further, the present invention provides a high-efficiency monitoring potato planter, which is characterized in that a ground contact force sensing wheel having an encoder is additionally provided on the same axis as the driving wheel independently of the driving wheel, and whether the driving wheel is rotating normally is sensed by measuring the number of rotations of the driving wheel and the number of rotations of the ground contact force sensing wheel.
Further, in the potato planting method using the high-efficiency monitoring potato planter, when the difference between the rotation numbers of the driving wheels and the ground contact force sensing wheels is 1 or more, the three-point coupling frame of the tractor is lowered by control to increase the ground contact force, so that the driving wheels can normally rotate by the force of the ground contact force.
Also, there is provided a high-efficiency monitoring potato planter comprising a potato sensing sensor having an upper side between the potato supply belt and the potato supply, a potato supply sensing mechanism for checking whether the supply of potatoes from the potato supply to the potato supply belt is insufficient.
Claims (4)
1. A high efficiency monitoring potato planter, comprising:
a three-point coupling frame coupled with the tractor;
the body frame is connected with the three-point connecting frame through a chain;
a driving wheel provided to the body frame and rotating by a traction force of the tractor to generate a driving force of the sowing machine;
a rotary pulley connected to the driving wheel to transmit the rotary force of the driving wheel to the sowing part;
a potato supply belt for taking power from the rotating pulley to transfer potatoes;
a potato discharge roller which discharges the potatoes supplied from the potato supply belt to a potato discharge port; and
and (7) covering soil in a pan.
2. The high efficiency monitoring potato planter as set forth in claim 1, wherein:
the upper part of the potato supply belt is provided with a potato supply part.
3. The high efficiency monitoring potato planter as set forth in claim 2 further comprising:
a potato supply sensing mechanism which is provided with a potato sensing sensor positioned at the upper side between the potato supply belt and the potato supply part and checks whether the supply of potatoes from the potato supply part to the potato supply belt is insufficient.
4. The high efficiency monitoring potato planter as set forth in claim 2, wherein:
and a distance adjusting support shaft capable of adjusting the distance between the body frame and the driving wheel so as to improve the grounding force of the driving wheel is arranged between the driving wheel and the body frame.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020200060796A KR102434692B1 (en) | 2020-05-21 | 2020-05-21 | High Efficiency Monitoring Potato Seeder |
| KR10-2020-0060796 | 2020-05-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113692819A true CN113692819A (en) | 2021-11-26 |
Family
ID=78646693
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011324621.7A Pending CN113692819A (en) | 2020-05-21 | 2020-11-23 | High-efficiency monitoring potato planter |
Country Status (2)
| Country | Link |
|---|---|
| KR (1) | KR102434692B1 (en) |
| CN (1) | CN113692819A (en) |
Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2114949U (en) * | 1992-03-11 | 1992-09-09 | 苏州市水利农机科研所 | Free-tilling seed drill used in wet wheat field |
| JPH07203715A (en) * | 1994-01-24 | 1995-08-08 | Taki Noukougu Kk | Multiple simultaneous seeding machine |
| US6437770B1 (en) * | 1998-01-26 | 2002-08-20 | University Of Washington | Flat-coil actuator having coil embedded in linkage |
| JP2007048157A (en) * | 2005-08-11 | 2007-02-22 | Murata Mach Ltd | Travel control system for automated guided carriage cart |
| KR20070093944A (en) * | 2007-08-30 | 2007-09-19 | 정문구 | A seeding machine |
| JP2011075369A (en) * | 2009-09-30 | 2011-04-14 | Fujitsu Ltd | Moving body position estimation supporting apparatus |
| KR20140005052A (en) * | 2012-07-04 | 2014-01-14 | 강철수 | Potato seeding machine |
| CN204518416U (en) * | 2014-12-26 | 2015-08-05 | 重庆博沃发动机配件制造有限公司 | A kind of Potato seeder |
| CN107135719A (en) * | 2017-06-29 | 2017-09-08 | 河北农业大学 | A kind of band suede cotton precision seeder |
| CN108055956A (en) * | 2018-01-25 | 2018-05-22 | 王焕 | Automatic membrane pressure film of cutting plays membrane structure and vibrational structure combined seed and fertilizer drill |
| CN108093784A (en) * | 2017-12-13 | 2018-06-01 | 王歆歆 | A kind of potato planting machine |
| CN108560979A (en) * | 2018-05-16 | 2018-09-21 | 张燃冰 | A kind of comb-tooth-type numerical control carrier |
| CN109526325A (en) * | 2019-01-25 | 2019-03-29 | 河北农业大学 | A kind of replay of corn drill and broadcast leakage detection and control device |
| CN109691274A (en) * | 2017-10-23 | 2019-04-30 | (株)张自动化 | Seeder with Electro-static Driven Comb function |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101557365B1 (en) | 2013-11-18 | 2015-10-08 | (주)이그린글로벌 | potato planter |
| KR101937226B1 (en) | 2015-11-12 | 2019-01-11 | 대한민국(농촌진흥청장) | A Potato planter equipped with auto cutting device |
-
2020
- 2020-05-21 KR KR1020200060796A patent/KR102434692B1/en active IP Right Grant
- 2020-11-23 CN CN202011324621.7A patent/CN113692819A/en active Pending
Patent Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2114949U (en) * | 1992-03-11 | 1992-09-09 | 苏州市水利农机科研所 | Free-tilling seed drill used in wet wheat field |
| JPH07203715A (en) * | 1994-01-24 | 1995-08-08 | Taki Noukougu Kk | Multiple simultaneous seeding machine |
| US6437770B1 (en) * | 1998-01-26 | 2002-08-20 | University Of Washington | Flat-coil actuator having coil embedded in linkage |
| JP2007048157A (en) * | 2005-08-11 | 2007-02-22 | Murata Mach Ltd | Travel control system for automated guided carriage cart |
| KR20070093944A (en) * | 2007-08-30 | 2007-09-19 | 정문구 | A seeding machine |
| JP2011075369A (en) * | 2009-09-30 | 2011-04-14 | Fujitsu Ltd | Moving body position estimation supporting apparatus |
| KR20140005052A (en) * | 2012-07-04 | 2014-01-14 | 강철수 | Potato seeding machine |
| CN204518416U (en) * | 2014-12-26 | 2015-08-05 | 重庆博沃发动机配件制造有限公司 | A kind of Potato seeder |
| CN107135719A (en) * | 2017-06-29 | 2017-09-08 | 河北农业大学 | A kind of band suede cotton precision seeder |
| CN109691274A (en) * | 2017-10-23 | 2019-04-30 | (株)张自动化 | Seeder with Electro-static Driven Comb function |
| CN108093784A (en) * | 2017-12-13 | 2018-06-01 | 王歆歆 | A kind of potato planting machine |
| CN108055956A (en) * | 2018-01-25 | 2018-05-22 | 王焕 | Automatic membrane pressure film of cutting plays membrane structure and vibrational structure combined seed and fertilizer drill |
| CN108560979A (en) * | 2018-05-16 | 2018-09-21 | 张燃冰 | A kind of comb-tooth-type numerical control carrier |
| CN109526325A (en) * | 2019-01-25 | 2019-03-29 | 河北农业大学 | A kind of replay of corn drill and broadcast leakage detection and control device |
Also Published As
| Publication number | Publication date |
|---|---|
| KR20210144051A (en) | 2021-11-30 |
| KR102434692B1 (en) | 2022-08-22 |
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Application publication date: 20211126 |
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