CN107371479A - A kind of live thickness of earth covering measure platform of paddy machinery - Google Patents
A kind of live thickness of earth covering measure platform of paddy machinery Download PDFInfo
- Publication number
- CN107371479A CN107371479A CN201710734679.0A CN201710734679A CN107371479A CN 107371479 A CN107371479 A CN 107371479A CN 201710734679 A CN201710734679 A CN 201710734679A CN 107371479 A CN107371479 A CN 107371479A
- Authority
- CN
- China
- Prior art keywords
- dovetail groove
- plough
- installation stand
- thickness
- line slideway
- Prior art date
- 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.)
- Pending
Links
- 238000009434 installation Methods 0.000 claims abstract description 40
- 230000007246 mechanism Effects 0.000 claims abstract description 28
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 14
- 238000000034 method Methods 0.000 claims abstract description 9
- 230000008569 process Effects 0.000 claims abstract description 5
- 230000008878 coupling Effects 0.000 claims description 5
- 238000010168 coupling process Methods 0.000 claims description 5
- 238000005859 coupling reaction Methods 0.000 claims description 5
- 235000003140 Panax quinquefolius Nutrition 0.000 claims description 3
- 240000005373 Panax quinquefolius Species 0.000 claims description 3
- 230000005611 electricity Effects 0.000 claims 1
- 230000000630 rising effect Effects 0.000 claims 1
- 235000007164 Oryza sativa Nutrition 0.000 abstract description 10
- 235000009566 rice Nutrition 0.000 abstract description 10
- 238000004088 simulation Methods 0.000 abstract description 2
- 240000007594 Oryza sativa Species 0.000 abstract 1
- 241000209094 Oryza Species 0.000 description 9
- 238000005516 engineering process Methods 0.000 description 5
- 239000002689 soil Substances 0.000 description 5
- 238000009331 sowing Methods 0.000 description 4
- 235000013339 cereals Nutrition 0.000 description 3
- 241000607479 Yersinia pestis Species 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 241000167880 Hirundinidae Species 0.000 description 1
- 206010035148 Plague Diseases 0.000 description 1
- 241000700159 Rattus Species 0.000 description 1
- 238000003556 assay Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C5/00—Making or covering furrows or holes for sowing, planting or manuring
- A01C5/06—Machines for making or covering drills or furrows for sowing or planting
- A01C5/062—Devices for making drills or furrows
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C5/00—Making or covering furrows or holes for sowing, planting or manuring
- A01C5/06—Machines for making or covering drills or furrows for sowing or planting
- A01C5/066—Devices for covering drills or furrows
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/02—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness
- G01B11/06—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness for measuring thickness ; e.g. of sheet material
-
- 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
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Soil Sciences (AREA)
- Environmental Sciences (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Soil Working Implements (AREA)
Abstract
A kind of live thickness of earth covering measure platform of paddy machinery, line slideway, which is arranged on, to be contained on mud box body, and stepper motor is connected with line slideway, and sliding block is arranged on line slideway, and installation stand is arranged on line slideway by sliding block；Plough hoisting mechanism is arranged on installation stand, and water storage ditch plough is arranged on plough hoisting mechanism with kind ditch plough；Dovetail groove governor motion is connected with installation stand；Laser range finder is arranged on installation stand, and covering device is connected with dovetail groove governor motion, buncher, and buncher is arranged in installation stand；Dovetail groove governor motion is made up of two sections of dovetail grooves, and every section of dovetail groove includes upper dovetail groove and lower dovetail groove, and lower dovetail groove is connected with installation stand, and upper dovetail groove is connected with covering device；Earthing operation process is carried out to rice paddy seed in paddy field by easy, effectively simulation, you can have a clear understanding of the earthing performance of the covering device, then thickness of earth covering is accurately measured by laser range finder.
Description
Technical field
The present invention relates to agriculture earthing field of mechanical technique, more particularly to a kind of live thickness of earth covering measure of paddy machinery are flat
Platform.
Background technology
Rice is the main cereal crops in China, about 30,000,000 hectares of long-term cultivated area, accounts for national cereal cultivated area
30%；Planting household 1.5 × 108Family, account for the 60% of peasant household's sum；Annual nearly 200,000,000 tons of paddy total output, accounts for national grain
The 40% of total yield.However, with country labor force transfer, the factor such as soaring of labor cost is influenceed, and direct sowing of rice technology is got over
Welcome to get over by vast farmerses.How exposed direct sowing of rice seed rice is on soil face at this stage, is vulnerable to bird pest, the plague of rats, rain
Water washes away, solar exposure etc. influences, it is difficult to ensures full stand rate, the live synchronous earthing of rice mechanization is having of solving the above problems
One of effect approach, but due to the particularity and complexity of paddy field soil, crop field is difficult to the thickness of earth covering of effectively measure covering device
And earthing uniformity.Therefore, a kind of live thickness of earth covering measure platform of paddy machinery and method are designed, for studying covering device
Service behaviour, to evading direct sowing of rice risk, promote extensive use of the direct sowing of rice technology in suitable area to have important
Realistic meaning.
The content of the invention
Technical problem solved by the invention is to provide a kind of paddy machinery live thickness of earth covering measure platform, to solve
The shortcomings that in above-mentioned background technology.
Technical problem solved by the invention is realized using following technical scheme：
A kind of live thickness of earth covering measure platform of paddy machinery, including line slideway, contain mud box body, installation stand, stepper motor,
Covering device, dovetail groove governor motion, laser range finder, buncher, plough hoisting mechanism, water storage ditch plough and kind ditch
Plough, wherein, line slideway, which is arranged on, to be contained on mud box body, and stepper motor is connected with line slideway, and sliding block is arranged on straight line and led
On rail, installation stand is arranged on line slideway by sliding block；Plough hoisting mechanism is arranged on by hoisting mechanism installing plate
Install on stand, water storage ditch plough is arranged on plough hoisting mechanism with kind ditch plough；Dovetail groove governor motion and peace
Fill stand connection；Laser range finder is arranged on installation stand, and covering device is connected with dovetail groove governor motion, buncher,
Buncher is arranged in installation stand, and buncher operating drives covering device to rotate；Dovetail groove governor motion is by two sections of swallows
Stern notch is formed, and every section of dovetail groove includes upper dovetail groove and lower dovetail groove, and the lower surface of lower dovetail groove is connected with installation stand, upper swallow
Stern notch upper surface is connected with covering device.
In the present invention, dovetail groove governor motion is connected by dovetail groove installing plate with installation stand.
In the present invention, buncher is connected by shaft coupling with covering device.
In the present invention, it is rectangular parallelepiped structure to install stand, is built by square tube, and in the square tube of installation stand rear end
On be arranged with four and be used to the mounting holes of dovetail groove installing plate are installed, be arranged with four use in the square tube of installation stand lower end
In the mounting hole of installation buncher, install and be welded with corner block respectively on stand front end and the angle of lower end four.
In the present invention, it is uncovered structure to contain mud box body, and is provided with Sheng mud box body upper end both sides and is led for installing straight line
The mounting hole of rail.
In the present invention, line slideway is provided with two groups of sliding blocks, and every group is made up of two sliding blocks, and is set on each sliding block
Mounting hole is equipped with, for being connected sliding block with installation stand by bolt, one of which sliding block is by driving stepper motor, another group
It is servo-actuated.
In the present invention, plough hoisting mechanism includes two big square tube, two small square tubes and plough installing plate, and
For big square tube with symmetrically respectively offering two through holes in small square tube, one end of two big square tube is symmetrically welded at hoisting mechanism installing plate
On, the other end of two big square tube by bearing pin being inserted into through hole and one end of two small square tubes is fixed, two small square tubes it is another
One end is connected with plough installing plate, is fixed big square tube and small square tube by bearing pin, and then ensures to ditch in earthing operation
Device avoids bringing unnecessary influence without secondary ditching.
In the present invention, the spacing of two through holes is 100mm in big square tube, and the lifting capacity of plough hoisting mechanism is
100mm, lifting can effectively leave mud face to trench digging afterwards, to prevent from producing interference phenomenon to earthing.
In the present invention, water storage ditch plough offers installation screw with kind ditch plough, and by ditching, bolt will store
Ditch plough is arranged on plough installing plate with kind ditch plough.
In the present invention, the scope that upper dovetail groove moves up and down is 0~50mm, and covering device difference thickness of earth covering can be achieved
Regulation.
In the present invention, it is the thickness of earth covering of clear and definite covering device, the method being measured by laser range finder is：Swash
Downwards, laser beam is in kind of ditch for light transmitting terminal, after water storage ditch plough is ditched, laser range finder collection one per 20cm
Secondary data；After finishing kind of an earthing process and terminating, laser range finder gathers a data per 20cm again in previous position, passes through
The difference in same position gathered data twice is calculated, then averages and produces thickness of earth covering.
Beneficial effect：The present invention simulates equipment by the linear motion of line slideway and advanced, then will by covering device
Soil is swept into kind of ditch, then carries out earthing to seed rice, is effectively kept the temperature of seed local environment, is prevented that seed from being freezed to death,
The harm of bird, worm, mouse can effectively be prevented；Earthing operation process is carried out to rice paddy seed in paddy field by easy, effectively simulation, i.e.,
It will be clearly understood that the earthing performance of the covering device, because covering device passes through dovetail groove governor motion regulation height so that cover
Soil thickness can change within the specific limits, accurately measure thickness of earth covering by laser range finder, the present invention is simple in construction, just
In dismounting, while outward appearance is clean and tidy, and expansibility is strong.
Brief description of the drawings
Fig. 1 is the front view of presently preferred embodiments of the present invention.
Fig. 2 is the rearview of presently preferred embodiments of the present invention.
Fig. 3 is the dovetail groove governor motion structural representation in presently preferred embodiments of the present invention.
Fig. 4 is the plough hoisting mechanism structural representation in presently preferred embodiments of the present invention.
Embodiment
In order that the technical means, the inventive features, the objects and the advantages of the present invention are readily apparent from clearly, tying below
Conjunction is specifically illustrating, and the present invention is expanded on further.
Referring to a kind of live thickness of earth covering measure platform of Fig. 1~Fig. 4 paddy machinery, including line slideway 1, Sheng mud box body
The 2nd, stand 3, hoisting mechanism installing plate 4, corner block 5, stepper motor 6, bolt 7, covering device 8, lower dovetail groove 9, laser are installed
Rangefinder 10, sliding block 11, shaft coupling 12, buncher 13, dovetail groove installing plate 14, big square tube 15, trench digging bolt 16, small square tube
17th, plough installing plate 18, upper dovetail groove 19, mounting hole 20, screwed hole 21, water storage ditch plough 22, kind ditch plough 23 and
Through hole 24, stepper motor 6 are connected with line slideway 1, and line slideway 1 is arranged on by bolt and contained on mud box body 2, and sliding block 11 is set
On line slideway 1, installation stand 3 is arranged on line slideway 1 by sliding block 11；Plough hoisting mechanism passes through hoisting mechanism
Installing plate 4 is arranged on installation stand 3, and water storage ditch plough 22 is arranged on trench digging with kind ditch plough 23 by bolt 16 of ditching
Device hoisting mechanism lower end；Dovetail groove governor motion is connected through dovetail groove installing plate 14 with installation stand 3 rear end；Laser range finder 10
On installation stand 3, covering device 8 is connected with dovetail groove governor motion, and the one end of shaft coupling 12 is connected with buncher 13,
The other end is connected by the middle via of dovetail groove installing plate 14 with covering device 8, and buncher 13 is arranged on installation stand 3
Interior, covering device 8 moves with the rotation of shaft coupling 12 when buncher 13 operates.
In the present embodiment, it is rectangular parallelepiped structure to install stand 3, is built by square tube, and in installation stand 3 rear end
Four mounting holes are arranged with square tube, for being connected by bolt with dovetail groove installing plate 14, the square tube of installation stand 3 lower end
On be arranged with four and be used to the mounting holes of buncher 13 are installed, install and be welded with respectively on the front end of stand 3 and the angle of lower end four
Corner block 5, and provided with the mounting hole for being used to install hoisting mechanism installing plate 4 and sliding block 11, the installation front end of stand 3 by bolt with
Hoisting mechanism installing plate 4 is connected, and the installation lower end of stand 3 is connected by bolt with sliding block 11.
In the present embodiment, it is uncovered structure to contain mud box body 2, and is provided with mounting hole containing the upper end both sides of mud box body 2, is used for
Line slideway 1 is installed.
In the present embodiment, in order that the uniform force of line slideway 1 and the stable linear motion of installation stand 3, in straight line
Guide rail 1 is provided with two groups of 4 sliding blocks 11, and one of which sliding block 11 is driven by stepper motor 6, and another group is servo-actuated, on 4 sliding blocks 11
Mounting hole is provided with, is connected sliding block 11 with installation stand 3 by bolt.
In the present embodiment, plough hoisting mechanism includes two big 15, two small square tubes 17 of square tube and one piece of plough
Installing plate 18, two big square tube 15 are symmetrically welded on hoisting mechanism installing plate 4, and big square tube 15 in small square tube 17 with symmetrically respectively opening
Provided with two through holes 24, by inserting bearing pin in through hole 24 big square tube 15 and small square tube 17 to be fixed, and then ensure
Plough avoids bringing unnecessary influence without secondary ditching during earthing operation；The small other end of square tube 17 is pacified with plough
Loading board 18 connects；To realize the operating type of ditching, ridging, water storage ditch plough 22 and kind are installed on plough installing plate 18
Ditch plough 23, water storage ditch plough 22 open up installation screw with kind ditch plough 23, are arranged on and opened by bolt 16 of ditching
On ditch device installing plate 18.
The spacing of two through holes 24 is 100mm in big square tube 15, and the lifting capacity of plough hoisting mechanism is 100mm.Trench digging
Lifting can effectively leave mud face afterwards, to prevent from producing interference phenomenon to earthing.
In the present embodiment, dovetail groove governor motion is made up of two sections of dovetail grooves, and every section of dovetail groove includes upper dovetail groove 19
With lower dovetail groove 9, the lower surface of lower dovetail groove 9 opens up two screwed holes 21, is pacified by bolt through screwed hole 21 and dovetail groove
Mounting hole 20 in loading board 14 is connected with installation stand 3, and upper dovetail groove 19 opens up two tapped through holes, by bolt 7 by earthing
Device 8 is connected with the upper upper surface of dovetail groove 19, and the lower upper surface of dovetail groove 9 is arrived on the top of bolt 7, is fixed covering device 8, is prevented
Because stress makes covering device 8 entirely slide during earthing, and then cause thickness of earth covering uneven, upper dovetail groove 19 moves up and down
Scope be 0~50mm, the regulation of covering device 8 different thickness of earth covering can be achieved.
For the thickness of earth covering of clear and definite covering device 8, laser range finder 10 is symmetrically connected to install the rear end of stand 3, Laser Measuring
The assay method of distance meter 10 is：Downwards, laser beam is in kind of ditch at Laser emission end, after water storage ditch plough 22 is ditched,
Laser range finder 10 gathers a data per 20cm；Finish after kind of an earthing process terminates, laser range finder 10 in previous position again
It is secondary that a data are gathered per 20cm, by calculating the difference in same position gathered data twice, then average to produce and cover
Soil thickness.
The general principle and principal character and advantages of the present invention of the present invention has been shown and described above.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the simply explanation described in above-described embodiment and specification is originally
The principle of invention, without departing from the spirit and scope of the present invention, various changes and modifications of the present invention are possible, these changes
Change and improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appended claims and its
Equivalent thereof.
Claims (10)
1. a kind of live thickness of earth covering measure platform of paddy machinery, including line slideway, Sheng mud box body, installation stand, stepping electricity
Machine, covering device, dovetail groove governor motion, laser range finder, buncher, plough hoisting mechanism, water storage ditch plough and
Kind ditch plough, it is characterised in that line slideway, which is arranged on, to be contained on mud box body, and stepper motor is connected with line slideway, and sliding block is set
Put on line slideway, installation stand is arranged on line slideway by sliding block；Plough hoisting mechanism is pacified by hoisting mechanism
Loading board is arranged on installation stand, and water storage ditch plough is arranged on plough hoisting mechanism with kind ditch plough；Dovetail groove is adjusted
Section mechanism is connected with installation stand；Laser range finder is arranged on installation stand, covering device and dovetail groove governor motion, speed governing
Motor connection, buncher are arranged in installation stand, and buncher operating drives covering device to rotate；Dovetail groove governor motion
It is made up of two sections of dovetail grooves, every section of dovetail groove includes upper dovetail groove and lower dovetail groove, lower surface and the installation stand of lower dovetail groove
Connection, upper dovetail groove upper surface is connected with covering device.
2. the live thickness of earth covering measure platform of a kind of paddy machinery according to claim 1, it is characterised in that dovetail groove is adjusted
Section mechanism is connected by dovetail groove installing plate with installation stand.
A kind of 3. live thickness of earth covering measure platform of paddy machinery according to claim 1, it is characterised in that buncher
It is connected by shaft coupling with covering device.
A kind of 4. live thickness of earth covering measure platform of paddy machinery according to claim 1, it is characterised in that installation stand
For rectangular parallelepiped structure, built by square tube, and be arranged with four in the square tube of installation stand rear end and be used to dovetail be installed
The mounting hole of groove installing plate, install and four mounting holes for being used to install buncher, peace are arranged with the square tube of stand lower end
Corner block is welded with respectively on dress stand front end and the angle of lower end four.
5. the live thickness of earth covering measure platform of a kind of paddy machinery according to claim 1, it is characterised in that contain mud box body
For uncovered structure, and the mounting hole that is used for installing line slideway is provided with containing mud box body upper end both sides.
A kind of 6. live thickness of earth covering measure platform of paddy machinery according to claim 1, it is characterised in that line slideway
Two groups of sliding blocks are provided with, every group is made up of two sliding blocks, and is provided with mounting hole on each sliding block.
7. the live thickness of earth covering measure platform of a kind of paddy machinery according to claim 1, it is characterised in that plough carries
Rising mechanism includes two big square tube, two small square tubes and plough installing plate, and in big square tube with symmetrically respectively being opened up in small square tube
There are two through holes, one end of two big square tube is symmetrically welded on hoisting mechanism installing plate, and the other end of two big square tube passes through
Bearing pin is inserted into through hole and one end of two small square tubes is fixed, the other end of two small square tubes is connected with plough installing plate.
8. the live thickness of earth covering measure platform of a kind of paddy machinery according to claim 7, it is characterised in that in big square tube
The spacing of two through holes is 100mm, and the lifting capacity of plough hoisting mechanism is 100mm.
A kind of 9. live thickness of earth covering measure platform of paddy machinery according to claim 1, it is characterised in that upper dovetail groove
The scope moved up and down is 0~50mm.
10. the live thickness of earth covering measure platform of a kind of paddy machinery according to claim 1, it is characterised in that be clear and definite
The thickness of earth covering of covering device, the method being measured by laser range finder are：Laser emission end downwards, laser beam
In kind of ditch, after water storage ditch plough is ditched, laser range finder gathers a data per 20cm；Wait to finish kind of an earthing process knot
Shu Hou, laser range finder gather a data per 20cm again in previous position, and number is gathered twice in same position by calculating
According to difference, then average and produce thickness of earth covering.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710734679.0A CN107371479A (en) | 2017-08-24 | 2017-08-24 | A kind of live thickness of earth covering measure platform of paddy machinery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710734679.0A CN107371479A (en) | 2017-08-24 | 2017-08-24 | A kind of live thickness of earth covering measure platform of paddy machinery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107371479A true CN107371479A (en) | 2017-11-24 |
Family
ID=60345757
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710734679.0A Pending CN107371479A (en) | 2017-08-24 | 2017-08-24 | A kind of live thickness of earth covering measure platform of paddy machinery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107371479A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4911089A (en) * | 1988-06-21 | 1990-03-27 | Ronneby Tree Farm Pyt. Ltd. | Method of and means for positioning root control bags |
| US5938071A (en) * | 1998-07-28 | 1999-08-17 | Sauder; Gregg A. | Test stand for calibrating seed meters |
| US20060123755A1 (en) * | 2004-11-22 | 2006-06-15 | Schuster Joseph A | Multipurpose agricultural device |
| CN201069905Y (en) * | 2007-07-24 | 2008-06-11 | 新疆科神农业装备科技开发有限公司 | Testing bench of seed sowing device of seeder |
| CN201853134U (en) * | 2010-10-22 | 2011-06-01 | 中国农业大学 | Indoor test station for automatic control system of seeding depth |
| CN106489365A (en) * | 2016-10-20 | 2017-03-15 | 江西农业大学 | The live formula covering device that dangles of paddy machinery |
| CN106941791A (en) * | 2017-04-28 | 2017-07-14 | 河南科技大学 | A kind of remote-controllable formula Multi-functional tillage pipe device |
| CN206360949U (en) * | 2016-12-27 | 2017-07-28 | 盐城工学院 | A kind of ditching depth fuzzy control experimental rig |
| CN207054053U (en) * | 2017-08-24 | 2018-03-02 | 江西农业大学 | A kind of live thickness of earth covering measure platform of paddy machinery |
-
2017
- 2017-08-24 CN CN201710734679.0A patent/CN107371479A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4911089A (en) * | 1988-06-21 | 1990-03-27 | Ronneby Tree Farm Pyt. Ltd. | Method of and means for positioning root control bags |
| US5938071A (en) * | 1998-07-28 | 1999-08-17 | Sauder; Gregg A. | Test stand for calibrating seed meters |
| US20060123755A1 (en) * | 2004-11-22 | 2006-06-15 | Schuster Joseph A | Multipurpose agricultural device |
| CN201069905Y (en) * | 2007-07-24 | 2008-06-11 | 新疆科神农业装备科技开发有限公司 | Testing bench of seed sowing device of seeder |
| CN201853134U (en) * | 2010-10-22 | 2011-06-01 | 中国农业大学 | Indoor test station for automatic control system of seeding depth |
| CN106489365A (en) * | 2016-10-20 | 2017-03-15 | 江西农业大学 | The live formula covering device that dangles of paddy machinery |
| CN206360949U (en) * | 2016-12-27 | 2017-07-28 | 盐城工学院 | A kind of ditching depth fuzzy control experimental rig |
| CN106941791A (en) * | 2017-04-28 | 2017-07-14 | 河南科技大学 | A kind of remote-controllable formula Multi-functional tillage pipe device |
| CN207054053U (en) * | 2017-08-24 | 2018-03-02 | 江西农业大学 | A kind of live thickness of earth covering measure platform of paddy machinery |
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Application publication date: 20171124 |