CN104855027A - Belt type biochar scattering sowing machine - Google Patents
Belt type biochar scattering sowing machine Download PDFInfo
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- CN104855027A CN104855027A CN201510226159.XA CN201510226159A CN104855027A CN 104855027 A CN104855027 A CN 104855027A CN 201510226159 A CN201510226159 A CN 201510226159A CN 104855027 A CN104855027 A CN 104855027A
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- hopper
- manure
- spreading
- seeding machine
- charcoal
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Abstract
The invention discloses a belt type biochar scattering sowing machine. The belt type biochar scattering sowing machine comprises a frame, a feeding box, a transmission mechanism, a sowing mechanism and an adjustment mechanism; the frame is connected with the feeding box; the feeding box is connected with the transmission mechanism through a shaft; the transmission mechanism is fixed on the frame and the feeding box through a ball shaft; the sowing mechanism is fixed in the feeding box; the adjustment mechanism is provided with an adjustment plate which is used for controlling the sowing size; the adjustment plate is fixed on the feeding box. According to the belt type biochar scattering sowing machine, the structure is simple, the operation is convenient, and the practicability is high; during work, the traction is achieved through a tractor, a ground wheel serves as a conveyor belt power transmission source, a conveyor belt is driven by the transmission mechanism to run, the feeding box is arranged above the conveyor belt, and biochar is sown on the ground along with the running of the conveyor belt; the uniform biochar scattering is ensured due to the synchronization of the forward speed of the ground wheel and the forward speed of the traction tractor; the sowing is controlled by the adjustment mechanism of the biochar sowing machine and accordingly the quantitative sowing on the biochar can be implemented.
Description
Technical field
What the present invention relates to a kind of agricultural technology field executes broadcasting device, specifically, relates to a kind of belt and sheds charcoal manure-spreading and seeding machine.
Background technology
Charcoal is prepared from by thermal-cracking method by living beings such as crops straw, trees waste material, animal wastes usually, all more important ecological environment benefits then can be produced in being manured into soil, as improved soil fertility, improving crop yield, promoting agricultural production, increase carbon base in soil accumulation, slow down greenhouse gas emission, slowing global warming, and cut down the risk etc. of pollutant in soil environment.Along with the development of Biomass-pyrolysis, charcoal is applied to farmland gradually and executes and broadcast.At present, domestic also do not have special in charcoal characteristic, executes the manure-spreading and seeding machine broadcast for charcoal, and farmland is executed and broadcast charcoal and mainly rely on and manually apply.On the one hand, traditional waste manually applied for charcoal is relatively more serious, and applies uneven; On the other hand, it is comparatively large that the unit are of charcoal executes the amount of broadcasting, labor intensive, and human cost is high, this high degree limit the application of charcoal in farmland.
Existing fertilizer manure-spreading and seeding machine tool mainly comprises outer groove wheel, agitator type and scattering type, their common defects executes to broadcast uneven, and operating efficiency is lower, in addition, charcoal has the light feature of quality, and common fertilizer manure-spreading and seeding machine tool easily causes charcoal to fly upward the situation of flying away.
Chinese utility model patent (ZL201420359942.4) discloses the fertile manure-spreading and seeding machine of a kind of towed agriculture, this fertilizer distributor provides the fertilizer groove that can be loaded farmyard manure walking, suitable for reading opening wide adds fertilizer, bottom land has the fertile mouth of stream downwards, in traction is carried out, land wheel drives moving tooth to force fertilizer, realizes fertilising operation.This device is fertile by through hole stream due to below, causes this fertilizer apparatus to go out fertile uneven, although moving tooth forces fertilizer, goes out fertile unstable, causes actual fertilizing amount to control.
Summary of the invention
The object of the invention is to overcome above-mentioned the deficiencies in the prior art, provide the simple belt of a kind of structure to shed charcoal manure-spreading and seeding machine, but can accomplish that carrying out executing of equal and quantitative to charcoal broadcasts, and greatly reduces charcoal and executes the labour broadcasting consumption.
For achieving the above object, the present invention is by the following technical solutions:
A kind of belt sheds charcoal manure-spreading and seeding machine, comprises frame, hopper, transmission mechanism, manure-spreading and seeding machine structure and governor motion; Described frame is connected with hopper; Described hopper is connected by axle with transmission mechanism; Described transmission mechanism is fixed on frame and hopper by ball axle; Described manure-spreading and seeding machine structure is fixed in hopper; Described governor motion is provided with the adjustable plate for controlling to execute the amount of broadcasting size, and this adjustable plate is fixed on hopper.
Preferably, described frame comprises bracket and suspension, and described suspension is welded on bracket by three pieces of sheet metals, and three pieces of sheet metals are mounted by the mode of trifilar suspension and traction tractor.
Preferably, described hopper comprises shaft and shell, sized by hopper divides, constructs identical left and right two parts, reduces difficulty of processing.Described shaft penetrates hopper shell by both sides, is driven by transmission mechanism transmission, and shaft can strengthen material fluidity, and prevent charcoal from building bridge and get lodged in discharging opening, discharging opening is arranged on below hopper side, and the maximum of demand fulfillment charcoal executes the amount of broadcasting requirement; Described shell is welded in frame, forms the casing of a upper opening.
Preferably, described manure-spreading and seeding machine structure comprises conveyer belt, two bands roller, tensioning apparatus, described conveyer belt carrying material, described two band rollers are fixed in frame by ball axle, two band rollers in one be active belt roller, one be passive belt roller, described tensioning apparatus is fixed on one end of passive belt roller by ball axle; Two band roller straps move conveyer belt running; Described transmission mechanism determines band roller rotating speed, is the key factor affecting discharging speed.
Preferably, described governor motion is made up of one piece of adjustable plate, the openings of sizes of major control discharging opening, and execute the amount of broadcasting size object to reach control, described adjustable plate is fixed on hopper.
Preferably, described transmission mechanism comprises land wheel, gear, sprocket wheel and chain, and land wheel is fixed on wheel shaft by bearing, and gear, sprocket wheel are fixed in frame by ball axle, and chain connects gear and sprocket wheel.By the gearing of land wheel, gear, sprocket wheel and chain, provide different and execute the amount of broadcasting.
More preferably, in described transmission mechanism: described land wheel has two, the outer ring of land wheel is welded with the small cylinder vertical with its surface, can improve the earth-grasping force between land wheel and ground, land wheel and two gear coaxial rotation; 2 land wheels, 8 sprocket wheels, 4 gears, 2 chains are divided into two groups, and lay respectively at manure-spreading and seeding machine both sides, structure on two sides is identical.For one-sided, the first gear and the second direct geared engagement, the second gear and the first sprocket coaxiality; First sprocket wheel is connected by chain with the second sprocket wheel, and the 3rd sprocket wheel is connected by a chain with the 4th sprocket wheel.
More preferably, described transmission mechanism or 2 grades of transmission mechanisms, be responsible for power resources and the power transmission of whole manure-spreading and seeding machine.From the angle analysis of transmission of power, land wheel rotation is the power resources of whole manure-spreading and seeding machine, and the small cylinder of outer ring can ensure and reduce skidding significantly by the earth-grasping force of land wheel.By the rotation of land wheel, drive first pinion rotation coaxial with it, first gear driven second pinion rotation, the first sprocket rotation that second gear driven is coaxial with it, first sprocket wheel is by chain-driving second sprocket rotation, second sprocket wheel drives three sprocket rotation coaxial with it, and the 3rd sprocket wheel is by chain-driving the 4th sprocket rotation; In the course of work, land wheel keeps certain velocity of rotation, can be configured, obtain different gearratios, realize speedup or the deceleration of dynamical system by the different numbers of teeth of gear and sprocket wheel.
Preferably, described hopper comprises shaft and shell, sized by hopper divides, constructs identical left and right two parts, the effect of shared shipment charcoal.Described shaft penetrates hopper shell by both sides, driven by transmission mechanism transmission, shaft can strengthen material fluidity, prevent charcoal from building bridge and get lodged in discharging opening, discharging opening is arranged on hopper side, the maximum of demand fulfillment charcoal executes the amount of broadcasting requirement, and described shell is welded in frame by iron sheet, forms the casing of a upper opening; The 4th sprocket coaxiality in described hopper in shaft and transmission mechanism, drive shaft to rotate by the 4th sprocket wheel, shaft can strengthen material fluidity, prevents charcoal from building bridge and gets lodged in discharging opening, described shell is welded in frame by iron sheet, forms the casing of a upper opening.
Preferably, described conveyer belt adopts ring-like adhesive tape, carrying material, and the second sprocket wheel 14, the 3rd sprocket wheel 16 of active belt roller and transmission mechanism are coaxial.
Structure of the present invention is simple, easy to operate, practical, and during work, by tractor-drawn, land wheel is as conveyer belt power transmission source, and by transmission mechanism, driving conveying belt operates, and hopper is side on the conveyor belt, and charcoal spreads fertilizer over the fields on the ground with conveyer belt running.Land wheel is synchronous with the tractor pace of traction, guarantees that charcoal spreads fertilizer over the fields evenly, executes the amount of broadcasting and is executed by charcoal and broadcast governor motion and control, can realize quantitatively executing of charcoal and broadcast.
Compared with prior art, the present invention has following beneficial effect:
Structure of the present invention simply but can accomplish that carrying out executing of equal and quantitative to charcoal broadcasts, and greatly reduces charcoal and executes the labour broadcasting consumption.Frame is by simple square tubes soldering, and effectively can carry the weight of whole device, trifilar suspension also facilitates by farm tractor, and traction manure-spreading and seeding machine is in farm work; Hopper design capacity is larger, once can meet executing of certain area and broadcast, and ensure operating efficiency, the shaft in hopper also can stir charcoal in real time, prevents caking blocking; Transmission mechanism utilizes secondary transmission, and different executing of requirement can be regulated to broadcast consumption, flexible and changeable; Manure-spreading and seeding machine structure, by conveyer belt, realizes evenly executing the object broadcast; Adjusting device, by simple adjustable adjustable plate, directly regulates and executes the amount of broadcasting.
Accompanying drawing explanation
By reading the detailed description done non-limiting example with reference to the following drawings, other features, objects and advantages of the present invention will become more obvious:
Fig. 1 is one embodiment of the invention front view;
Fig. 2 is one embodiment of the invention vertical view;
Fig. 3 is one embodiment of the invention left view;
In figure: frame 1, bracket 2, governor motion 3, suspension 4, shell 5, shaft 6, transmission mechanism 10, manure-spreading and seeding machine structure 7, tensioning apparatus 8, band roller 9, first gear 11, second gear 12, first sprocket wheel 13, second sprocket wheel 14, the 3rd sprocket wheel 16, the 4th sprocket wheel 15, land wheel 17.
Embodiment
Below in conjunction with specific embodiment, the present invention is described in detail.Following examples will contribute to those skilled in the art and understand the present invention further, but not limit the present invention in any form.It should be pointed out that to those skilled in the art, without departing from the inventive concept of the premise, some distortion and improvement can also be made.These all belong to protection scope of the present invention.
As shown in Figure 1, 2, 3, in a preferred embodiment of the present invention, a kind of belt sheds charcoal manure-spreading and seeding machine, comprising: frame 1, hopper (comprising shell 5 and shaft 6), transmission mechanism 10, manure-spreading and seeding machine structure 7 and governor motion 3.Described frame 1 is connected with hopper by bolt; Described hopper is connected by axle with transmission mechanism 10; Described transmission mechanism 10 is fixed on frame 1 and hopper by ball axle; Described manure-spreading and seeding machine structure 7 is fixed on hopper by two band rollers; Described governor motion 3 is secured by bolts in above the discharging opening of hopper.
As shown in Figure 1, 2, in a preferred embodiment of the present invention, described frame comprises bracket and suspension, and frame 1 main body is formed by square tubes soldering, comprises bracket 2 and suspension 4.Described bracket 2, by square tubes soldering, carries each workpiece of whole facility, and described suspension 4 is welded on bracket 2 by three pieces of triangle iron plates, is mounted by the mode of trifilar suspension and traction tractor.Iron plate is selected to be because its intensity is large, cheap and be easy to welding, during work, mounted by the suspension of frame and farm tractor, utilize tractor-drawn to reach the object of field continuous fertilization.
As shown in Figure 1, 2, 3, in another embodiment of the present invention, described transmission mechanism 10, comprises 2 land wheels, 8 sprocket wheels, 4 gears, 2 chain links forms.Described land wheel has two, the outer ring of land wheel is welded with the small cylinder vertical with its surface, land wheel and two gear coaxial rotation, described gear has 4, and for one-sided, the first gear 11 and the second gear 12 directly engage, second gear 12 and the first sprocket wheel 13 coaxial, described sprocket wheel has 8, and the first sprocket wheel 13 is connected by chain with the second sprocket wheel 14, and the 3rd sprocket wheel 16 is connected by chain with the 4th sprocket wheel 15.
As shown in Figure 1, 2, 3, in another better embodiment of the present invention, described hopper comprises shaft 6 and shell 5, sized by hopper divides, constructs identical left and right two parts.Described shaft 6 penetrates hopper shell 5 by both sides, be fixed on shell 5 by ball axle, shaft 6 is coaxial with the 4th sprocket wheel 15 in transmission mechanism 10, shaft 6 is driven to rotate by the 4th sprocket wheel 15, shaft 6 can strengthen material fluidity, prevent charcoal from building bridge and get lodged in discharging opening, described shell is welded in frame 1 by iron sheet, forms the casing of a upper opening.
As shown in Figure 2,3, in a preferred embodiment of the present invention, described transmission mechanism 10 or 2 grades of transmission mechanisms, be responsible for power resources and the power transmission of whole manure-spreading and seeding machine.From the angle analysis of transmission of power, land wheel rotation is the power resources of whole manure-spreading and seeding machine, and the small cylinder of outer ring can ensure and reduce skidding significantly by the earth-grasping force of land wheel.By the rotation of land wheel 17, first gear 11 coaxial with it is driven to rotate, first gear 11 drives the second gear 12 to rotate, second gear 12 drives first sprocket wheel 13 coaxial with it to rotate, first sprocket wheel 13 is rotated by chain-driving second sprocket wheel 14, and the 3rd sprocket wheel 16 is rotated by chain-driving the 4th sprocket wheel 15.Configured by the different numbers of teeth of gear and sprocket wheel, obtain different gearratios, realize dynamical system volume speedup or deceleration.
As Fig. 1,2,3, shown in, in a preferred embodiment of the present invention, described manure-spreading and seeding machine structure 7 is made up of conveyer belt, two bands roller 9, tensioning apparatus 8, and described conveyer belt adopts ring-like adhesive tape, carrying material; Described two band rollers 9 are fixed in frame 1 by ball axle, and a band roller is active belt roller, and a band roller is passive belt roller, drives conveyer belt running; Second sprocket wheel 14, the 3rd sprocket wheel 16 of active belt roller and transmission mechanism 10 are coaxial, and described tensioning apparatus 8 is fixed on one end of passive belt roller by ball axle.Transmission mechanism determines band roller rotating speed, is the key factor affecting discharging speed.
As shown in Figure 1, in a preferred embodiment of the present invention, described governor motion 3 is made up of one piece of adjustable plate, the discharging opening openings of sizes of major control hopper, and execute the amount of broadcasting size object to reach control, described adjustable plate is secured by bolts on hopper.
Charcoal manure-spreading and seeding machine of the present invention execute broadcast charcoal time, first needing by manure-spreading and seeding machine by being articulated on tractor with trifilar suspension in frame 1, before starting to execute and broadcasting operation, adding to execute in hopper and broadcasting required charcoal, utilize tractor-drawn manure-spreading and seeding machine to advance, operation formally starts; When tractor advances, the land wheel of manure-spreading and seeding machine starts to rotate, and becomes the power resources of manure-spreading and seeding machine; The rotation of land wheel drives transmission mechanism work, relies on the link transmission power of gear and sprocket wheel; The different number of teeth proportionings of gear can realize the rotating speed changing manure-spreading and seeding machine shaft, and gearratio greatly then executes that the speed of broadcasting is fast, to execute the amount of broadcasting large, otherwise then little; In the course of the work, can execute the amount of broadcasting according to the charcoal in unit are soil, regulate discharging opening openings of sizes by governor motion, what adapt to reality executes the amount of broadcasting demand; By the coordinate operation of manure-spreading and seeding machine entirety, while can executing meeting charcoal difference the amount of broadcasting, realize sowing of efficient uniform.
The present invention, by the chassis design of trifilar suspension, can draw with farm tractor easily; Adopt large hopper, can the charcoal of disposable loading about 200kg, improve and sow efficiency; Employing belt is shed, and utilizes conveyer belt continuous print characteristic, can shed charcoal equably; By governor motion, what can adjust charcoal according to actual needs executes the amount of broadcasting, and meets the different needs, and executes and broadcasts weight range from 200-2000kg/ mu not etc.; Utilize shaft in case, effectively can prevent the bridge formation of charcoal, avoid the blocking of discharging opening.
Above specific embodiments of the invention are described.It is to be appreciated that the present invention is not limited to above-mentioned particular implementation, those skilled in the art can make various distortion or amendment within the scope of the claims, and this does not affect flesh and blood of the present invention.
Claims (9)
1. belt sheds a charcoal manure-spreading and seeding machine, it is characterized in that comprising frame, hopper, transmission mechanism, manure-spreading and seeding machine structure and governor motion; Described frame is connected with hopper; Described hopper is connected by axle with transmission mechanism; Described transmission mechanism is fixed on frame and hopper by ball axle; Described manure-spreading and seeding machine structure is fixed in hopper; Described governor motion is provided with the adjustable plate for controlling to execute the amount of broadcasting size, and this adjustable plate is fixed on hopper.
2. belt according to claim 1 sheds charcoal manure-spreading and seeding machine, it is characterized in that: described frame comprises bracket and suspension, described suspension is welded on bracket by three pieces of sheet metals, and three pieces of sheet metals are mounted by the mode of trifilar suspension and traction tractor.
3. belt according to claim 1 sheds charcoal manure-spreading and seeding machine, it is characterized in that: described hopper comprises shaft and shell, sized by hopper divides, construct identical left and right two parts, described shaft penetrates hopper shell by both sides, is driven by transmission mechanism transmission; Hopper is provided with discharging opening below side, and described shell is welded in frame, forms the casing of a upper opening.
4. belt according to claim 1 sheds charcoal manure-spreading and seeding machine, it is characterized in that: described manure-spreading and seeding machine structure comprises conveyer belt, two bands roller, tensioning apparatus, described conveyer belt is for carrying material thing, described two band rollers are fixed in frame by ball axle, two band rollers in one be active belt roller, one be passive belt roller, described tensioning apparatus is fixed on one end of passive belt roller by ball axle; Two band roller straps move conveyer belt running.
5. the belt according to any one of claim 1-4 sheds charcoal manure-spreading and seeding machine, it is characterized in that: described transmission mechanism comprises land wheel, gear, sprocket wheel and chain, land wheel is fixed on wheel shaft by bearing, gear, sprocket wheel are fixed in frame by ball axle, chain connects gear and sprocket wheel, by the gearing of land wheel, gear, sprocket wheel and chain, provide different and execute the amount of broadcasting.
6. belt according to claim 5 sheds charcoal manure-spreading and seeding machine, it is characterized in that: described transmission mechanism is linked formed by 2 land wheels, 8 sprocket wheels, 4 gears, 2 chains; The outer ring of described land wheel is welded with the small cylinder vertical with its surface, land wheel and two gear coaxial rotation; 2 land wheels, 8 sprocket wheels, 4 gears, 2 chains are divided into two groups, and lay respectively at manure-spreading and seeding machine both sides, wherein the structure of the transmission mechanism of side is as follows: the first gear and the second direct geared engagement, the second gear and the first sprocket coaxiality; First sprocket wheel is connected by chain with the second sprocket wheel, and the 3rd sprocket wheel is connected by a chain with the 4th sprocket wheel.
7. belt according to claim 6 sheds charcoal manure-spreading and seeding machine, it is characterized in that: described transmission mechanism is 2 grades of transmission mechanisms, be responsible for power resources and the power transmission of whole manure-spreading and seeding machine, by the rotation of land wheel, drive first pinion rotation coaxial with it, first gear driven second pinion rotation, the first sprocket rotation that second gear driven is coaxial with it, first sprocket wheel is by chain-driving second sprocket rotation, second sprocket wheel drives three sprocket rotation coaxial with it, and the 3rd sprocket wheel is by chain-driving the 4th sprocket rotation; In the course of work, land wheel keeps certain velocity of rotation, can be configured, obtain different gearratios, realize speedup or the deceleration of dynamical system by the different numbers of teeth of gear and sprocket wheel.
8. belt according to claim 6 sheds charcoal manure-spreading and seeding machine, it is characterized in that: described hopper comprises shaft and shell, sized by hopper divides, construct identical left and right two parts, described shaft penetrates hopper shell by both sides, is driven by transmission mechanism transmission; The 4th sprocket coaxiality in described hopper in shaft and transmission mechanism, drives shaft to rotate by the 4th sprocket wheel.
9. the belt according to any one of claim 1-4 sheds charcoal manure-spreading and seeding machine, it is characterized in that: described governor motion is made up of one piece of adjustable plate, control the openings of sizes of discharging opening, execute the amount of broadcasting size object to reach control, described adjustable plate is fixed on hopper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510226159.XA CN104855027B (en) | 2015-05-06 | 2015-05-06 | A kind of belt sheds charcoal manure-spreading and seeding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510226159.XA CN104855027B (en) | 2015-05-06 | 2015-05-06 | A kind of belt sheds charcoal manure-spreading and seeding machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104855027A true CN104855027A (en) | 2015-08-26 |
| CN104855027B CN104855027B (en) | 2018-05-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510226159.XA Active CN104855027B (en) | 2015-05-06 | 2015-05-06 | A kind of belt sheds charcoal manure-spreading and seeding machine |
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| CN (1) | CN104855027B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113273338A (en) * | 2021-05-24 | 2021-08-20 | 辽宁机电职业技术学院 | No-tillage seeding and fertilizing machine |
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| US3232626A (en) * | 1963-12-20 | 1966-02-01 | Deere & Co | Material distributor |
| CN2552312Y (en) * | 2002-07-19 | 2003-05-28 | 广西壮族自治区农业机械研究所 | Conveyer belt type fertilizer applicator |
| US7543765B1 (en) * | 2005-05-27 | 2009-06-09 | Brad Elling | Self unloading pull-type trailer |
| CN202603200U (en) * | 2012-05-13 | 2012-12-19 | 陈志兵 | Rotary tillage fertilizer applicator provided with fertilizing device |
| US8511588B1 (en) * | 2010-08-12 | 2013-08-20 | Benjamin D. Eckroth | Small-scale spreader device |
| CN203435349U (en) * | 2013-06-19 | 2014-02-19 | 诸暨市乐叶农业机械有限公司 | Fertilization mechanism for strip-shaped sowing pipeline in rice seedling |
| CN203912532U (en) * | 2014-06-24 | 2014-11-05 | 内蒙古民族大学 | The fertile fertilizer distributor of towed agriculture |
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- 2015-05-06 CN CN201510226159.XA patent/CN104855027B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3232626A (en) * | 1963-12-20 | 1966-02-01 | Deere & Co | Material distributor |
| CN2552312Y (en) * | 2002-07-19 | 2003-05-28 | 广西壮族自治区农业机械研究所 | Conveyer belt type fertilizer applicator |
| US7543765B1 (en) * | 2005-05-27 | 2009-06-09 | Brad Elling | Self unloading pull-type trailer |
| US8511588B1 (en) * | 2010-08-12 | 2013-08-20 | Benjamin D. Eckroth | Small-scale spreader device |
| CN202603200U (en) * | 2012-05-13 | 2012-12-19 | 陈志兵 | Rotary tillage fertilizer applicator provided with fertilizing device |
| CN203435349U (en) * | 2013-06-19 | 2014-02-19 | 诸暨市乐叶农业机械有限公司 | Fertilization mechanism for strip-shaped sowing pipeline in rice seedling |
| CN203912532U (en) * | 2014-06-24 | 2014-11-05 | 内蒙古民族大学 | The fertile fertilizer distributor of towed agriculture |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113273338A (en) * | 2021-05-24 | 2021-08-20 | 辽宁机电职业技术学院 | No-tillage seeding and fertilizing machine |
| CN113273338B (en) * | 2021-05-24 | 2022-04-01 | 辽宁机电职业技术学院 | No-tillage seeding and fertilizing machine |
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| CN104855027B (en) | 2018-05-04 |
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