CN106342422A - Pulverizing soil dispersal ditching device matched with rotary cultivator - Google Patents
Pulverizing soil dispersal ditching device matched with rotary cultivator Download PDFInfo
- Publication number
- CN106342422A CN106342422A CN201611029140.7A CN201611029140A CN106342422A CN 106342422 A CN106342422 A CN 106342422A CN 201611029140 A CN201611029140 A CN 201611029140A CN 106342422 A CN106342422 A CN 106342422A
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- Prior art keywords
- tulwar
- disk
- right angle
- cutter head
- rotary
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Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01B—SOIL WORKING IN AGRICULTURE OR FORESTRY; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL
- A01B33/00—Tilling implements with rotary driven tools, e.g. in combination with fertiliser distributors or seeders, with grubbing chains, with sloping axles, with driven discs
- A01B33/02—Tilling implements with rotary driven tools, e.g. in combination with fertiliser distributors or seeders, with grubbing chains, with sloping axles, with driven discs with tools on horizontal shaft transverse to direction of travel
- A01B33/021—Tilling implements with rotary driven tools, e.g. in combination with fertiliser distributors or seeders, with grubbing chains, with sloping axles, with driven discs with tools on horizontal shaft transverse to direction of travel with rigid tools
- A01B33/024—Tilling implements with rotary driven tools, e.g. in combination with fertiliser distributors or seeders, with grubbing chains, with sloping axles, with driven discs with tools on horizontal shaft transverse to direction of travel with rigid tools with disk-like tools
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01B—SOIL WORKING IN AGRICULTURE OR FORESTRY; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL
- A01B33/00—Tilling implements with rotary driven tools, e.g. in combination with fertiliser distributors or seeders, with grubbing chains, with sloping axles, with driven discs
- A01B33/08—Tools; Details, e.g. adaptations of transmissions or gearings
- A01B33/10—Structural or functional features of the tools ; Theoretical aspects of the cutting action
- A01B33/103—Structural or functional features of the tools ; Theoretical aspects of the cutting action the rotating shaft being oriented horizontally
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01B—SOIL WORKING IN AGRICULTURE OR FORESTRY; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL
- A01B33/00—Tilling implements with rotary driven tools, e.g. in combination with fertiliser distributors or seeders, with grubbing chains, with sloping axles, with driven discs
- A01B33/16—Tilling implements with rotary driven tools, e.g. in combination with fertiliser distributors or seeders, with grubbing chains, with sloping axles, with driven discs with special additional arrangements
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Soil Sciences (AREA)
- Environmental Sciences (AREA)
- Soil Working Implements (AREA)
Abstract
A pulverizing soil dispersal ditching device matched with a rotary cultivator comprises a cutter shaft which is connected with a conveyer driven shaft of the rotary cultivator, a rotary tillage cutter head which is arranged on the cutter shaft and a soil separating board which is fixed on the rotary cultivator, and is characterized in that the rotary tillage cutter head comprises a first bent cutter head, a second bent cutter head and a straight cutter head; the first bent cutter head is arranged in the middle of the cutter head, the straight cutter head is symmetrically arranged on the cutter head with the first bent cutter head as the center, the second bent cutter head is arranged on the cutter head between the straight cutter head and the first bent cutter head, wherein the first bent cutter head, the second bent cutter head and the straight cutter head have the same diameter; a plurality of first right angled bent cutters provided with straight cutting edges are symmetrically arranged on the first bent cutter head with the axis of the cutter shaft as the center. By means of novel arrangement of the rotary tillage cutters, the ditching mode is changed, the soil pulverizing rate and the ditching rate are improved, and the ditching width can reach 20 cm-30 cm; the pulverizing soil dispersal ditching device is simple in structure, convenient to use in various rotary cultivators, low in cost, convenient to assemble and unassembled, and higher in ditching quality and efficiency.
Description
Technical field
The present invention relates to agricultural machinery technological field, particularly a kind of being applied to throws, with the hack of rotary tiller, the ditch that scatters
Device.
Background technology
With the development of modern agriculture system, intensive agriculture and mechanization are inexorable trends.It is no-tillage etc. for crop rotation,
The trench digging technical research being devoted to being adapted therewith produces therewith.And produce in southern paddy agriculture, field digs trenches to drain the water away, and reduces
Level of ground water, is the important measures of the crop rotation winter crops high yield such as green manure and Brassica campestris L.At present, common ditching machine divides on the market
For two big class, i.e. dynamic output spindle-type and unpowered output type.Unpowered output type ditching machine typically easily causes the two of trench digging
Side earth accumulation, thus affect the other crop rotation plant growth of ditch.For dynamic output type ditching machine, above general furrower disc
Installing earth separation plate prevents both sides earth accumulation of ditching, but ditching plate is separated with earth separation plate, and furrower disc is tulwar disk, on the one hand
Ditching plate cannot be made to press close to furrower disc, easily cause ditched both sides soil and be scattered in ditch, another aspect tulwar disk causes to be ditched
Two side elevations are loose, and easily causing is ditched collapses, the quality of impact trench digging；Meanwhile, existing ditching machine rotary tillage cutterhead top cutter
Position is fixed, and the width ditched is fixed therewith, is unfavorable for controlling trench digging width；In addition, being affected by geographical environment, southern paddy field
Soil humidity is difficult to control to, and existing ditching machine is easily affected by field mud humidity, and therefore trench digging difficulty is big；In addition paddy field straw incorporation,
Easily it is wound around ditching device；And mechanical function fixed single of ditching is it is difficult in southern paddy field spread.
Content of the invention
The present invention is directed to above-mentioned the deficiencies in the prior art and provides a kind of features simple structure, reliability, trench digging time-division soil is clean, point
Native effect is more preferable, clean in ditch, ditch shape is smooth solid, it is possible to achieve with low cost, easy to loading and unloading is broken with rotary tiller
Soil is thrown and is dissipated ditching device.
The present invention is achieved through the following technical solutions above-mentioned purpose:
A kind of hack with rotary tiller is thrown and is dissipated ditching device, including the cutter shaft being connected with rotary tillage power output shaft,
The rotary tillage cutterhead being arranged on cutter shaft and the earth separation plate that is fixed on rotary cultivator it is characterised in that: described rotary tillage cutterhead includes the
One tulwar disk, the second tulwar disk and straight knife disk, the middle part of described cutter shaft is provided with the first tulwar disk, curved with first on described cutter shaft
It is symmetrically installed with straight knife disk, described cutter shaft is provided with the second tulwar disk between straight knife disk and the first tulwar disk centered on cutterhead,
Described first tulwar disk, the second tulwar disk are identical with the diameter of straight knife disk, during described first tulwar disk includes along cutter shaft axle center being
The symmetrical multiple first right angle tulwars with straight line edge laid of the heart, the knife tail bending direction phase of adjacent first right angle tulwar
Instead, described second tulwar disk includes symmetrical multiple second quarter bends with straight line edge laid along centered on cutter shaft axle center
Knife, the knife tail of described second right angle tulwar bends setting towards straight knife disk, and described straight knife disk includes multiple straight knives, described first right angle
The blade of tulwar, the second right angle tulwar and straight knife is arranged along cutter shaft direction of rotation, and the rear of described rotary tillage cutterhead is provided with a point soil
Plate and earth separation plate are wrapped in the rear of rotary tillage cutterhead.
Described earth separation plate includes two piece arcs symmetrically arranged along the first tulwar disk place face, and described arc is in cutter shaft
Outside with diameter greater than the diameter inside cutter shaft.
The lower end of described earth separation plate be provided with match with rotary tillage cutterhead width and minimum point and rotary tillage cutterhead minimum point at
In conplane clean-up scraper.
The radian of the arc of described earth separation plate is matched with the radian of rotary tillage cutterhead.
The projection that described first right angle tulwar, the second right angle tulwar and straight knife are axially formed along cutter shaft is staggered.
Adjacent described rotary tillage cutterhead spacing is matched with the width of the first right angle tulwar, the second right angle tulwar knife tail.
Described first right angle tulwar and the second right angle tulwar are wide width wing tulwar.
Described straight knife disk is provided with two straight knives, and straight knife is inline, on described first tulwar disk and the second tulwar disk
The first right angle tulwar and the second right angle tulwar be in cross arrangement.
Described first tulwar disk, the second tulwar disk and straight knife disk are all arranged on cutter shaft by ploughing tool rest.
Using said structure, rotary tillage cutterhead of the present invention is made up of two ends straight knife disk and middle tulwar disk, and by tulwar disk
Knife Caudad turn up installation, soil cut by straight knife, soil thrown by wide width wing tulwar, have the ditched both sides of guarantee smooth solid, hack quality is good,
Enter soil nature good, low in energy consumption the features such as, improve trench digging quality；Described straight knife disk word order and middle cross arrangement wide width wing tulwar disk
It is in axially that rice word is distributed, so can accomplish cutting, hack balance uniformly, and the effective trench digging that reduces throws native power consumption, with
Shi Xuangeng cutterhead integrated two ends cutterhead symmetrical it is ensured that unit operation comfortableness；The blade of described straight knife and tulwar is along cutter shaft
Direction of rotation arrange, guarantee unit bury comfortableness while, cut-out field leave Caulis et Folium Oryzae it is ensured that trench digging unit straw winding；
Described rotary tillage cutterhead peripheral hardware has put the earth separation plate as butterfly double-vane adjacent thereto, and the soil that cutterhead is dished out and earth separation plate are collided
Hit, on the one hand reach hack effect, on the other hand pass through the inclined-plane of earth separation plate both sides so that thrown soil guiding, shed in ditch
Both sides, without falling in ditch it is ensured that cleaning in ditch prevent ditched both sides earth accumulation；Described rotary tillage cutterhead peripheral hardware is put
Point soil adjacent thereto and the earth separation plate of scraping one, increased the contact digging soil with earth separation plate, can remain bottom of trench
Soil is cleaned out；Described rotary blade and rotary tillage cutter holder are bolted fixation, change after being easy to rotary blade abrasion；Described open
Ditch device cutter shaft can convert according to rotary tillage power output shaft model, is suitable for wider, suit large area to popularize use.
In sum, using the present invention, simple and practical, rotary cultivator can easily be applied to, with low cost, easy to loading and unloading,
Trench digging quality and in hgher efficiency, has larger application and popularization value.
Brief description
Fig. 1 is the axonometric chart of the present invention；
Fig. 2 is the top view of the present invention；
Fig. 3 is the front view of the present invention；
Fig. 4 is the structural representation of wide width wing tulwar of the present invention
Fig. 5 is wide width wing tulwar top view of the present invention.
Specific embodiment
Below in conjunction with the accompanying drawings, further describe a kind of hack with rotary tiller and throw the concrete reality dissipating ditching device
Apply mode.
As shown in Figure 1 to Figure 3, a kind of throw with rotary tiller hack dissipate ditching device include cutter shaft 1, rotary tillage cutterhead 2 and
Earth separation plate, in this example, earth separation plate is 3, and described cutter shaft 1 is fixed on rotary tillage power output shaft, and described rotary tillage cutterhead 2 includes the
One tulwar disk 5, the second tulwar disk 6 and straight knife disk 7, described first tulwar disk 5 include four be in cross laying and have straight
First right angle tulwar of line cutting edge, the knife tail bending direction of adjacent first right angle tulwar is contrary, and described second tulwar disk includes four
The second right angle tulwar that is individual in cross laying and having straight line edge, the knife tail of described second right angle tulwar is curved towards straight knife disk
Bent setting, described straight knife disk includes multiple straight knives, and the first right angle tulwar, the second right angle tulwar and straight knife are installed by ploughing tool rest 4
On cutter shaft 1, described cultivated tool rest 4 interval shape is weldingly fixed on cutter shaft centre position and is provided with screwed hole, described first right angle
Tulwar, the second right angle tulwar and straight knife are bolted on cultivated tool rest 4, form rotary tillage cutterhead 2, after described rotary tillage cutterhead 2
Side is fixed with the butterfly earth separation plate 3 that width is matched with rotary tillage cutterhead 2, on described butterfly earth separation plate 3 end section be in V-shaped and to
2 liang of lateral bends of rotary tillage cutterhead are cambered, and bottom is in the flat formation clean-up scraper 8 consistent with the integrated width of rotary tillage cutterhead.
As shown in Figure 2,3, described rotary tillage cutterhead is integrated is made up of some rotary tillage cutterheads, see vertically the first tulwar disk 5,
Two tulwar disks 6 and straight knife disk 7 are in that rice arranges, and the first tulwar disk 5, the second tulwar disk 6 are consistent with straight knife disk 7 diameter, between cutterhead
Away from the width for tulwar knife tail, described tulwar knife tail is all installed outwardly, and the tulwar knife tail of the first tulwar disk 5 is staggered symmetrical mixing
Install.
As shown in Figure 4,5, described rotary blade is bolted on cultivated tool rest, and described rotary blade is divided into straight knife and right angle
Tulwar, in this example, right angle tulwar throws native wide width wing tulwar for rotary tillage, and described throwing soil wide width wing tulwar is the quarter bend with straight line edge
Knife, its rotor radius of gyration r1=35.5cm, r2=36.5cm, r3=27.5cm, bolt aperture a=1.2cm, positive cutting blade is three
Dimension curved surface, wherein Sidelong portion crooked process radius r4=15cm, β=130 °, process is simple, straw winding, do not wrap up in soil, it is high that wing width throws soil
Effect.
As shown in Fig. 2 end section is in V-shaped on described butterfly earth separation plate 3, in v, angle is 120 °, and to rotary tillage cutterhead 2
Two lateral bends are cambered to launch to be in butterfly double-vane, and double-vane launches spacing d=35cm, and lower end edge rotary tillage hand of cutter is extended to be had
Bending, therewith rotary tillage cutterhead adjacent, in flat clean-up scraper 8, beeline 1cm between rotary tillage cutterhead and clean-up scraper, institute
State clean-up scraper 8 and clean-up scraper control trench digging width easy to disassemble, clean-up scraper bottom and rotation on butterfly earth separation plate are arranged on by bolt
Cultivated cutterhead maintains an equal level.Described butterfly earth separation plate 2 top is provided with 2-3 screwed hole to connect rotary cultivator frame.
The principle of the present invention: power reaches rotary tillage cutterhead 2 through cutter shaft 1, two ends straight knife disk 7 cuts out ditched smooth facade,
First tulwar disk 5, the second tulwar disk 6 are broken up middle soil and are borrowed tulwar disk high-speed rotation to produce centrifugal force to dish out soil, soil
Divide the both sides to ditch along butterfly earth separation plate 3 both wings, in ditch, soil rises to the rotary tillage cutterhead collection running at full speed along clean-up scraper simultaneously
Become to smash and dish out, realize rotary tillage hack and throw the ditch that scatters.
Concrete operation step is as follows:
The first step, the type according to supporting rotary cultivator carries out field mud humidity and grasps: supporting rotary cultivator is wheeled requirement: field
Mud water content is usually no more than 40%, and when that is, field wetness will reach people list underfooting field, the submergence depth of foot is less than 5cm；Join
The rotary cultivator of set requires for crawler type: rotary cultivator does not sink.
Second step, ditching device installation and debugging: select caterpillar band self-propelled rotary cultivator, first original for rotary cultivator rotary plow
Knife and case are pulled down, then this patent ditching device is installed on rotary tillage power output shaft.Start rotary cultivator, by ditching device
Be down to trench digging state, whether inspection butterfly earth separation plate suitable with the integrated distance of rotary tillage cutterhead, general control in 1-2 centimetre, and
Butterfly earth separation plate lower end is maintained an equal level with rotary tillage cutterhead；Rise ditching implement, loosen the clutch, test running ditching device；Finally check
Whether rotary cultivator and ditching device parts fasten and have debugged ditching device.
3rd step: field trench digging: ditching operation, rotary cultivator operating rate general control is in 10-25km/h, relatively stiff field
Block, suitably reduces speed；Ditching operation, must not stand in rotary cultivator trench digging Fen Tu area people, in case rubble, brickbat fly out and hurt sb.'s feelings；Open
Ditch operation, because frame for movement limits, cannot ditch against the raised path through fields, typically open the first ditch at 1 meter from the raised path through fields about place, further according to agriculture
Skill and drainage requirement, select suitable fabric width to ditch one by one successively；Ditching operation, the transfer of equipment field or less camber, should
Cut-out ditching machine rotary power, makes point of a knife more than 15cm from the ground, low speed safe transfer.
The invention is not restricted to above-mentioned preferred forms, anyone can draw other various shapes under the enlightenment of the present invention
The product of formula, however, making any change in its shape or structure, every have same as the present application or close technical side
Case, is within the scope of the present invention.
Claims (9)
1. a kind of hack with rotary tiller is thrown and is dissipated ditching device, including the cutter shaft being connected with rotary tillage power output shaft, peace
The rotary tillage cutterhead being contained on cutter shaft and the earth separation plate that is fixed on rotary cultivator it is characterised in that: described rotary tillage cutterhead includes first
Tulwar disk, the second tulwar disk and straight knife disk, the middle part of described cutter shaft is provided with the first tulwar disk, with the first tulwar on described cutter shaft
It is symmetrically installed with straight knife disk, described cutter shaft is provided with the second tulwar disk, institute between straight knife disk and the first tulwar disk centered on disk
State the first tulwar disk, the second tulwar disk identical with the diameter of straight knife disk, described first tulwar disk is included along centered on cutter shaft axle center
The symmetrical multiple first right angle tulwars with straight line edge laid, the knife tail bending direction of adjacent first right angle tulwar is contrary,
Described second tulwar disk includes the symmetrical multiple second right angle tulwars with straight line edge laid, institute along centered on cutter shaft axle center
State the knife tail of the second right angle tulwar and bend setting towards straight knife disk, described straight knife disk includes multiple straight knives, described first right angle tulwar,
The blade of the second right angle tulwar and straight knife is arranged along cutter shaft direction of rotation, the rear of described rotary tillage cutterhead be provided with earth separation plate and
Earth separation plate is wrapped in the rear of rotary tillage cutterhead.
2. according to claim 1 throw with rotary tiller hack dissipate ditching device it is characterised in that: described earth separation plate bag
Include two piece arcs symmetrically arranged along the first tulwar disk place face, described arc outside cutter shaft with diameter greater than in cutter shaft
The diameter of side.
3. according to claim 2 throw with rotary tiller hack dissipate ditching device it is characterised in that: described earth separation plate
Lower end is provided with and is matched with rotary tillage cutterhead width and minimum point and rotary tillage cutterhead minimum point are in conplane clean-up scraper.
4. according to claim 3 throw with rotary tiller hack dissipate ditching device it is characterised in that: described earth separation plate
The radian of arc is matched with the radian of rotary tillage cutterhead.
5. according to one of Claims 1-4 with rotary tiller hack throw dissipate ditching device it is characterised in that: described
The projection that first right angle tulwar, the second right angle tulwar and straight knife are axially formed along cutter shaft is staggered.
6. according to claim 5 throw with rotary tiller hack dissipate ditching device it is characterised in that: adjacent described rotary tillage
Cutterhead spacing is matched with the width of the first right angle tulwar, the second right angle tulwar knife tail.
7. according to claim 6 throw with rotary tiller hack dissipate ditching device it is characterised in that: described first right angle
Tulwar and the second right angle tulwar are wide width wing tulwar.
8. according to claim 7 throw with rotary tiller hack dissipate ditching device it is characterised in that: on described straight knife disk
It is provided with two straight knives, straight knife is inline, the first right angle tulwar and second on described first tulwar disk and the second tulwar disk
Right angle tulwar is in cross arrangement.
9. according to claim 8 throw with rotary tiller hack dissipate ditching device it is characterised in that: described first tulwar
Disk, the second tulwar disk and straight knife disk are all arranged on cutter shaft by ploughing tool rest.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611029140.7A CN106342422B (en) | 2016-11-21 | 2016-11-21 | A kind of scattered ditching device of hack throwing with rotary tiller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611029140.7A CN106342422B (en) | 2016-11-21 | 2016-11-21 | A kind of scattered ditching device of hack throwing with rotary tiller |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106342422A true CN106342422A (en) | 2017-01-25 |
| CN106342422B CN106342422B (en) | 2019-01-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611029140.7A Active CN106342422B (en) | 2016-11-21 | 2016-11-21 | A kind of scattered ditching device of hack throwing with rotary tiller |
Country Status (1)
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| CN (1) | CN106342422B (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107155412A (en) * | 2017-07-03 | 2017-09-15 | 江苏新岛机械有限公司 | A kind of big tilling depth intermediate gearing rotary ploughing machine |
| IT201700121121A1 (en) * | 2017-10-25 | 2018-01-25 | Girolamo Gianluca Di | DEVICE FOR PROCESSING AND CLEANING THE SOIL IN A SINGLE PASS, EVEN IN THE PRESENCE OF ROOTS |
| CN107624303A (en) * | 2017-09-04 | 2018-01-26 | 华中农业大学 | Combined type earth separation device for rotary ditcher |
| CN107710915A (en) * | 2017-10-26 | 2018-02-23 | 河北农业大学 | One kind lifts adjustable greenhouse subsoiler |
| CN107950089A (en) * | 2017-12-27 | 2018-04-24 | 南漳县恒达机械制造销售有限公司 | A kind of single file ditching machine for hand tractor |
| CN108076700A (en) * | 2018-01-17 | 2018-05-29 | 湖南省土壤肥料研究所 | It is a kind of to dissipate ditching device with no-tillage thrown with hack of rotary tiller live streaming |
| CN109196976A (en) * | 2018-09-10 | 2019-01-15 | 中国农业大学 | Formula rice stubble wheat seeds band is thrown outside diving board levels machine |
| CN109496478A (en) * | 2018-12-18 | 2019-03-22 | 山西河东雄风农机有限公司 | Band-like equal gap seeder |
| CN115067000A (en) * | 2022-07-15 | 2022-09-20 | 农业农村部南京农业机械化研究所 | Middle ditching rotary tillage operation device |
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| CN206196270U (en) * | 2016-11-21 | 2017-05-31 | 湖南省土壤肥料研究所 | A kind of hack with rotary tiller is thrown and dissipates ditching device |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107155412A (en) * | 2017-07-03 | 2017-09-15 | 江苏新岛机械有限公司 | A kind of big tilling depth intermediate gearing rotary ploughing machine |
| CN107624303A (en) * | 2017-09-04 | 2018-01-26 | 华中农业大学 | Combined type earth separation device for rotary ditcher |
| IT201700121121A1 (en) * | 2017-10-25 | 2018-01-25 | Girolamo Gianluca Di | DEVICE FOR PROCESSING AND CLEANING THE SOIL IN A SINGLE PASS, EVEN IN THE PRESENCE OF ROOTS |
| CN107710915A (en) * | 2017-10-26 | 2018-02-23 | 河北农业大学 | One kind lifts adjustable greenhouse subsoiler |
| CN107950089A (en) * | 2017-12-27 | 2018-04-24 | 南漳县恒达机械制造销售有限公司 | A kind of single file ditching machine for hand tractor |
| CN108076700A (en) * | 2018-01-17 | 2018-05-29 | 湖南省土壤肥料研究所 | It is a kind of to dissipate ditching device with no-tillage thrown with hack of rotary tiller live streaming |
| CN109196976A (en) * | 2018-09-10 | 2019-01-15 | 中国农业大学 | Formula rice stubble wheat seeds band is thrown outside diving board levels machine |
| CN109496478A (en) * | 2018-12-18 | 2019-03-22 | 山西河东雄风农机有限公司 | Band-like equal gap seeder |
| CN115067000A (en) * | 2022-07-15 | 2022-09-20 | 农业农村部南京农业机械化研究所 | Middle ditching rotary tillage operation device |
| CN115067000B (en) * | 2022-07-15 | 2024-01-09 | 农业农村部南京农业机械化研究所 | Rotary tillage operation device with ditching in middle |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106342422B (en) | 2019-01-01 |
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