CN104855027B - A kind of belt sheds charcoal manure-spreading and seeding machine - Google Patents
A kind of belt sheds charcoal manure-spreading and seeding machine Download PDFInfo
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- CN104855027B CN104855027B CN201510226159.XA CN201510226159A CN104855027B CN 104855027 B CN104855027 B CN 104855027B CN 201510226159 A CN201510226159 A CN 201510226159A CN 104855027 B CN104855027 B CN 104855027B
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- hopper
- sprocket wheel
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Abstract
The invention discloses a kind of belt to shed charcoal manure-spreading and seeding machine, including rack, hopper, transmission mechanism, manure-spreading and seeding machine structure and adjusting mechanism；The rack is connected with hopper；The hopper passes through axis connection with transmission mechanism；The transmission mechanism is fixed in rack and hopper by ball axis；The manure-spreading and seeding machine structure is fixed in hopper；The adjusting mechanism, which is equipped with, to be used to control the adjustable plate for applying the amount of broadcasting size, which is fixed on hopper.The configuration of the present invention is simple, easy to operate, highly practical, during work, by tractor-drawn, land wheel is as conveyer belt power transmission source, and by transmission mechanism, driving conveying belt operating, side, charcoal are spread fertilizer over the fields on the ground hopper with conveyer belt operating on the conveyor belt.Land wheel and the tractor pace drawn are synchronous, it is ensured that charcoal is spread fertilizer over the fields uniformly, is applied the amount of broadcasting by the control of charcoal manure-spreading and seeding machine adjusting mechanism, can be realized quantifying to apply and broadcasting for charcoal.
Description
Technical field
The present invention relates to a kind of broadcasting device of applying of agricultural technology field, specifically, is related to a kind of belt and sheds charcoal
Manure-spreading and seeding machine.
Background technology
Charcoal is usually prepared by biomass such as crop material, trees waste material, animal wastes by thermal-cracking method,
All more important ecological environment benefits can be then produced in being manured into soil, such as improves soil fertility, improves crop yield, promotes agricultural
Production, increase carbon base in soil accumulation, slow down greenhouse gas emission, slowing global warming, and cuts down in soil environment and pollute
Risk of thing etc..With the development of Biomass-pyrolysis, charcoal, which is gradually applied to farmland, to be applied and broadcasts.At present, it is domestic to go back
Not specifically for charcoal characteristic, the manure-spreading and seeding machine broadcast is applied for charcoal, farmland is applied to broadcast charcoal and rely primarily on and manually applied.
On the one hand, traditional waste manually applied for charcoal is than more serious, and applies uneven；On the other hand, charcoal
Unit area larger, labor intensive of applying the amount of broadcasting, human cost is high, this high degree limit charcoal it is farmland should
With.
Existing fertilizer manure-spreading and seeding machine tool mainly includes outer groove wheel, agitator type and scattering type, their common defects are to apply
Broadcast uneven, operating efficiency is more low, in addition, charcoal has the characteristics that light weight, common fertilizer manure-spreading and seeding machine tool is be easy to cause
Charcoal flies upward situation about drifting.
Chinese utility model patent (ZL201420359942.4) discloses a kind of towed agricultural fertilizer manure-spreading and seeding machine, the fertilizer applicator
Provide a fertilizer groove that can load farm manure walking, it is suitable for reading to open wide plus fertilizer, slot bottom are provided with downwards the fertile mouth of stream, draw into
In row, land wheel drives moving tooth to force fertilizer, realizes fertilising operation.This device causes this to apply since lower section is by through hole stream fertilizer
Fertile device go out fertilizer it is uneven, although moving tooth force fertilizer, go out fertilizer it is unstable, cause actual dose not to be controlled.
The content of the invention
It is an object of the invention to overcome above-mentioned the deficiencies in the prior art, there is provided a kind of belt simple in structure sheds biology
Charcoal manure-spreading and seeding machine, can but accomplish that carrying out applying for equal and quantitative to charcoal broadcasts, and greatly reduces charcoal and applies the work for broadcasting consumption
Power.
To achieve the above object, the present invention uses following technical scheme：
A kind of belt sheds charcoal manure-spreading and seeding machine, including rack, hopper, transmission mechanism, manure-spreading and seeding machine structure and adjusting mechanism；Institute
Rack is stated to be connected with hopper；The hopper passes through axis connection with transmission mechanism；The transmission mechanism is fixed on rack by ball axis
On hopper；The manure-spreading and seeding machine structure is fixed in hopper；The adjusting mechanism, which is equipped with, to be used to control the adjustable plate for applying the amount of broadcasting size,
The adjustable plate is fixed on hopper.
Preferably, the rack includes bracket and suspension, and the suspension is welded in bracket by three pieces of sheet metals
On, three pieces of sheet metals are mounted by way of trifilar suspension with traction with tractor.
Preferably, the hopper includes agitating shaft and shell, and hopper is divided into the identical left and right two parts of size, construction, drop
Low difficulty of processing.The agitating shaft penetrates hopper shell by both sides, is driven and driven by transmission mechanism, agitating shaft can be with reinforcer
Expect mobility, prevent charcoal is built bridge from getting lodged in discharge port, discharge port is arranged on below hopper side, it is necessary to meet charcoal most
The requirement of the great Shi amounts of broadcasting；The shell is welded in rack, forms the babinet of a upper opening.
Preferably, the manure-spreading and seeding machine structure includes conveyer belt, two belt rollers, tensioning apparatus, and the conveyer belt carries material, institute
Two belt rollers are stated to be fixed in rack by ball axis, in two belt rollers one be active belt roller, one be passive belt roller, described
Tight device is fixed on one end of passive belt roller by ball axis；Two belt rollers drive conveyer belt operating；The transmission mechanism determines band
Roller rotating speed, is the key factor for influencing discharging speed.
Preferably, the adjusting mechanism is made of one piece of adjustable plate, the openings of sizes of major control discharge port, to reach control
System applies the amount of broadcasting size purpose, and the adjustable plate is fixed on hopper.
Preferably, the transmission mechanism includes land wheel, gear, sprocket wheel and chain, and land wheel is fixed on wheel shaft, tooth by bearing
Wheel, sprocket wheel are fixed in rack by ball axis, chain connection gear and sprocket wheel.Pass through the transmission of land wheel, gear, sprocket wheel and chain
Effect, there is provided different applies the amount of broadcasting.
It is highly preferred that in the transmission mechanism：The land wheel has two, and the outer ring of land wheel is welded with vertical with its surface
Small cylinder, can improve the earth-grasping force between land wheel and ground, and land wheel is rotated coaxially with two gears；2 land wheels, 8 chains
Wheel, 4 gears, 2 chains are divided into two groups, identical positioned at manure-spreading and seeding machine both sides, structure on two sides respectively.By taking one side as an example, the first tooth
Wheel and second gear directly engage, second gear and the first sprocket coaxiality；First sprocket wheel and the second sprocket wheel are connected by chain, the
Three sprocket wheels and the 4th sprocket wheel are connected by a chain.
It is highly preferred that the transmission mechanism or 2 grades of transmission mechanisms, are responsible for the power resources of whole manure-spreading and seeding machine and move
Power is transmitted.From the angle analysis of power transmission, land wheel rotation is the power resources of whole manure-spreading and seeding machine, and the small cylinder of outer ring can
Ensure the earth-grasping force of land wheel, significantly reduce and skid.By the rotation of land wheel, the first gear being coaxial therewith is driven to turn
Dynamic, first gear drives second gear to rotate, and second gear drives the first sprocket wheel being coaxial therewith to rotate, and the first sprocket wheel passes through chain
Bar drives the second sprocket wheel to rotate, and the second sprocket wheel drives the 3rd sprocket wheel that is coaxial therewith to rotate, and the 3rd sprocket wheel passes through chain-driving the
Four sprocket wheels rotate；In the course of work, land wheel keeps certain velocity of rotation, can be matched somebody with somebody by the different numbers of teeth of gear and sprocket wheel
Put, obtain different gearratios, realize speedup or the deceleration of dynamical system.
Preferably, the hopper includes agitating shaft and shell, and hopper is divided into the identical left and right two parts of size, construction, altogether
With the effect for undertaking shipment charcoal.The agitating shaft penetrates hopper shell by both sides, is driven and driven by transmission mechanism, stirring
Axis can strengthen material fluidity, prevent charcoal is built bridge from getting lodged in discharge port, discharge port is arranged on hopper side, it is necessary to meet to give birth to
The maximum of thing charcoal applies the amount of broadcasting requirement, and the shell is welded in rack by iron sheet, forms the babinet of a upper opening；The material
Agitating shaft and the 4th sprocket coaxiality in transmission mechanism, drive agitating shaft to rotate, agitating shaft can strengthen by the 4th sprocket wheel in case
Material fluidity, prevents charcoal is built bridge from getting lodged in discharge port, and the shell is welded in rack by iron sheet, forms a top and opens
The babinet of mouth.
Preferably, the conveyer belt uses ring-like adhesive tape, carries the second sprocket wheel of material, active belt roller and transmission mechanism
14th, the 3rd sprocket wheel 16 is coaxial.
The configuration of the present invention is simple, easy to operate, highly practical, during work, by tractor-drawn, land wheel drives as conveying
Power transmission power source, by transmission mechanism, driving conveying belt operating, side, charcoal are spread fertilizer over the fields hopper with conveyer belt operating on the conveyor belt
On the ground.Land wheel is synchronous with the tractor pace drawn, it is ensured that charcoal is spread fertilizer over the fields uniformly, is applied the amount of broadcasting and is applied by charcoal and broadcasts tune
Mechanism controls are saved, can realize quantifying to apply and broadcasting for charcoal.
Compared with prior art, the invention has the advantages that：
The configuration of the present invention is simple can but accomplish that carrying out applying for equal and quantitative to charcoal broadcasts, and greatly reduces charcoal and applies
Broadcast the labour of consumption.Rack can effectively carry the weight of whole device by simple square tubes soldering, and trifilar suspension is also convenient for
By farm tractor, traction manure-spreading and seeding machine is in farm work；Hopper design capacity is bigger, once disclosure satisfy that certain area
Shi Bo, ensures operating efficiency, and the agitating shaft in hopper in real time can also be stirred charcoal, prevents caking from blocking；Transmission
Mechanism utilizes secondary transmission, can adjust applying for different requirements and broadcast dosage, flexible and changeable；Manure-spreading and seeding machine structure is realized by conveyer belt
Uniformly apply the purpose broadcast；Regulating device directly adjusts by simply adjustable adjustable plate and applies the amount of broadcasting.
Brief description of the drawings
Upon reading the detailed description of non-limiting embodiments with reference to the following drawings, further feature of the invention,
Objects and advantages will become more apparent upon：
Fig. 1 is one embodiment of the invention front view；
Fig. 2 is one embodiment of the invention top view；
Fig. 3 is one embodiment of the invention left view；
In figure：Rack 1, bracket 2, adjusting mechanism 3, suspension 4, shell 5, agitating shaft 6, transmission mechanism 10, manure-spreading and seeding machine
Structure 7, tensioning apparatus 8, belt roller 9, first gear 11, second gear 12, the first sprocket wheel 13, the second sprocket wheel 14, the 3rd sprocket wheel 16,
Four sprocket wheels 15, land wheel 17.
Embodiment
With reference to specific embodiment, the present invention is described in detail.Following embodiments will be helpful to the technology of this area
Personnel further understand the present invention, but the invention is not limited in any way.It should be pointed out that the ordinary skill to this area
For personnel, without departing from the inventive concept of the premise, various modifications and improvements can be made.These belong to the present invention
Protection domain.
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, including：Machine
Frame 1, hopper (including shell 5 and agitating shaft 6), transmission mechanism 10, manure-spreading and seeding machine structure 7 and adjusting mechanism 3.The rack 1 passes through spiral shell
Bolt is connected with hopper；The hopper passes through axis connection with transmission mechanism 10；The transmission mechanism 10 is fixed on rack 1 by ball axis
On hopper；The manure-spreading and seeding machine structure 7 is fixed on hopper by two belt rollers；The adjusting mechanism 3 is secured by bolts in material
Above the discharge port of case.
As shown in Figure 1, 2, in a preferred embodiment of the present invention, the rack includes bracket and suspension, 1 main body of rack
Formed by square tubes soldering, including bracket 2 and suspension 4.The bracket 2 carries each work of whole equipment by square tubes soldering
Component, the suspension 4 are welded on bracket 2 by three pieces of triangle iron plates, are used and drawn with traction by way of trifilar suspension
Machine mounts.Select iron plate and be because its intensity is big, it is cheap and be easy to weld, during work, by the suspension of rack with it is agricultural
Tractor mounts, and achievees the purpose that field continuous fertilization using tractor-drawn.
As shown in Figure 1, 2, 3, in another embodiment of the present invention, the transmission mechanism 10, including 2 land wheels, 8 chains
Wheel, 4 gears, 2 chain connections form.The land wheel has two, and the outer ring of land wheel is welded with the roundlet vertical with its surface
Cylinder, land wheel are rotated coaxially with two gears, and the gear has 4, and by taking one side as an example, first gear 11 and second gear 12 are straight
Engagement is connect, 12 and first sprocket wheel 13 of second gear is coaxial, and the sprocket wheel there are 8, and the first sprocket wheel 13 and the second sprocket wheel 14 pass through chain
Bar connects, and the 3rd sprocket wheel 16 is connected with the 4th sprocket wheel 15 by chain.
As shown in Figure 1, 2, 3, in another better embodiment of the present invention, the hopper includes agitating shaft 6 and shell 5, material
Case is divided into the identical left and right two parts of size, construction.The agitating shaft 6 penetrates hopper shell 5 by both sides, is fixed on by ball axis
On shell 5, agitating shaft 6 and the 4th sprocket wheel 15 in transmission mechanism 10 are coaxial, drive agitating shaft 6 to rotate by the 4th sprocket wheel 15, stir
Material fluidity can be strengthened by mixing axis 6, prevent charcoal is built bridge from getting lodged in discharge port, and the shell is welded in rack 1 by iron sheet,
Form the babinet of a upper opening.
As shown in Figure 2,3, in a preferred embodiment of the present invention, the transmission mechanism 10 or 2 grades of transmission mechanisms,
It is responsible for the power resources and power transmission of whole manure-spreading and seeding machine.From the angle analysis of power transmission, it is whole manure-spreading and seeding machine that land wheel, which rotates,
Power resources, the small cylinder of outer ring can ensure the earth-grasping force of land wheel, significantly reduce and skid.Pass through land wheel 17
Rotate, drive the first gear 11 being coaxial therewith to rotate, first gear 11 drives second gear 12 to rotate, and second gear 12 drives
The first sprocket wheel 13 being coaxial therewith rotates, and the first sprocket wheel 13 is rotated by the second sprocket wheel of chain-driving 14, and the 3rd sprocket wheel 16 passes through
The 4th sprocket wheel 15 of chain-driving rotates.Configured by the different numbers of teeth of gear and sprocket wheel, obtain different gearratios, realize power
System volume speedup or deceleration.
As Fig. 1,2,3, it is shown, in a preferred embodiment of the present invention, the manure-spreading and seeding machine structure 7 by conveyer belt, two belt rollers 9,
Tensioning apparatus 8 forms, and the conveyer belt uses ring-like adhesive tape, carries material；Two belt rollers 9 are fixed on rack by ball axis
On 1, a belt roller is active belt roller, and a belt roller is passive belt roller, drives conveyer belt operating；Active belt roller and transmission mechanism 10
The second sprocket wheel 14, the 3rd sprocket wheel 16 it is coaxial, the tensioning apparatus 8 is fixed on one end of passive belt roller by ball axis.Driver
Structure determines belt roller rotating speed, is the key factor for influencing discharging speed.
As shown in Figure 1, in a preferred embodiment of the present invention, the adjusting mechanism 3 is made of one piece of adjustable plate, major control
The discharge port openings of sizes of hopper, applies the amount of broadcasting size purpose, the adjustable plate is secured by bolts on hopper to reach control.
Charcoal manure-spreading and seeding machine of the present invention apply broadcast charcoal when, it is necessary first to by manure-spreading and seeding machine by being hanged with 3 points in rack 1
Extension is articulated on tractor, before starting to apply and broadcasting operation, is added to apply in hopper and is broadcast required charcoal, utilize tractor-drawn
Manure-spreading and seeding machine advances, and operation formally starts；When tractor advances, the land wheel of manure-spreading and seeding machine starts to rotate, and becomes manure-spreading and seeding machine
Power resources；The rotation of land wheel drives transmission mechanism work, and power is transmitted by the link of gear and sprocket wheel；The different teeth of gear
Number proportioning can realize the rotating speed for changing shaft in manure-spreading and seeding machine, and gearratio, which is then applied greatly, broadcasts that speed is fast, it is big to apply the amount of broadcasting, on the contrary then small；
During the work time, the amount of broadcasting can be applied according to the charcoal in unit area soil, it is big to adjust discharge port opening by adjusting mechanism
It is small, to adapt to actual apply the amount of broadcasting demand；By the coordinate operation of manure-spreading and seeding machine entirety, the amount of broadcasting can be applied meeting charcoal difference
While, realize sowing for efficient uniform.
The present invention is designed by the rack of trifilar suspension, can be drawn conveniently with farm tractor；Using aniseed
Case, is capable of the charcoal of disposable loading 200kg or so, and efficiency is sowed in raising；Shed using belt, it is continuous using conveyer belt
Characteristic, can equably shed charcoal；By adjusting mechanism, the amount of broadcasting can be applied according to actual needs adjustment charcoal, it is full
The different demand of foot, applies the amount of broadcasting scope and is differed from 200-2000kg/ mus；Using agitating shaft in case, charcoal can be effectively prevented
Bridge formation, avoid the blocking of discharge port.
The specific embodiment of the present invention is described above.It is to be appreciated that the invention is not limited in above-mentioned
Particular implementation, those skilled in the art can make various deformations or amendments within the scope of the claims, this not shadow
Ring the substantive content of the present invention.
Claims (4)
1. a kind of belt sheds charcoal manure-spreading and seeding machine, it is characterised in that including rack, hopper, transmission mechanism, manure-spreading and seeding machine structure and tune
Save mechanism；The rack is connected with hopper；The hopper passes through axis connection with transmission mechanism；The transmission mechanism is consolidated by ball axis
It is scheduled in rack and hopper；The manure-spreading and seeding machine structure is fixed in hopper；The adjusting mechanism is equipped with applies the amount of broadcasting size for control
Adjustable plate, which is fixed on hopper；
The transmission mechanism includes land wheel, gear, sprocket wheel and chain, and land wheel is fixed on wheel shaft by bearing, and gear, sprocket wheel pass through
Ball axis is fixed in rack, and chain connection gear and sprocket wheel, pass through the gearing of land wheel, gear, sprocket wheel and chain, there is provided no
Same applies the amount of broadcasting；
The transmission mechanism is formed by 2 land wheels, 8 sprocket wheels, 4 gears, 2 chain connections；The outer ring welding of the land wheel
There is the small cylinder vertical with its surface, land wheel is rotated coaxially with two gears；2 land wheels, 8 sprocket wheels, 4 gears, 2 chains
Bar is divided into two groups, as follows positioned at manure-spreading and seeding machine both sides, the structure of the wherein transmission mechanism of side respectively：First gear and second gear
Directly engage, second gear and the first sprocket coaxiality；First sprocket wheel and the second sprocket wheel are connected by chain, the 3rd sprocket wheel and the 4th
Sprocket wheel is connected by a chain；
The transmission mechanism is 2 grades of transmission mechanisms, is responsible for the power resources and power transmission of whole manure-spreading and seeding machine, passes through land wheel
Rotation, drive the first gear that is coaxial therewith to rotate, first gear drives second gear to rotate, and second gear drives same with it
First sprocket wheel of axis rotates, and the first sprocket wheel is rotated by the second sprocket wheel of chain-driving, and the second sprocket wheel drives the 3rd be coaxial therewith
Sprocket wheel rotates, and the 3rd sprocket wheel is rotated by the 4th sprocket wheel of chain-driving；In the course of work, land wheel keeps certain velocity of rotation,
It can be configured by the different numbers of teeth of gear and sprocket wheel, obtain different gearratios, realize speedup or the deceleration of dynamical system；
The hopper includes agitating shaft and shell, and hopper is divided into the identical left and right two parts of size, construction, and the agitating shaft is by two
Side penetrates hopper shell, is driven and driven by transmission mechanism；Agitating shaft and the 4th sprocket wheel in transmission mechanism are same in the hopper
Axis, drives agitating shaft to rotate by the 4th sprocket wheel；
The manure-spreading and seeding machine structure includes conveyer belt, two belt rollers, tensioning apparatus, and the conveyer belt is used to carry material, described two
Belt roller is fixed in rack by ball axis, in two belt rollers one be active belt roller, one be passive belt roller, the tensioning apparatus
One end of passive belt roller is fixed on by ball axis；Two belt rollers drive conveyer belt operating.
2. belt according to claim 1 sheds charcoal manure-spreading and seeding machine, it is characterised in that：The rack includes bracket and hangs
Extension system, the suspension are welded on bracket by three pieces of sheet metals, and three pieces of sheet metals are by way of trifilar suspension with leading
Quote tractor mounting.
3. belt according to claim 1 sheds charcoal manure-spreading and seeding machine, it is characterised in that：The shell is welded on rack
On, the babinet of one upper opening of formation.
4. charcoal manure-spreading and seeding machine is shed according to claim 1-3 any one of them belts, it is characterised in that：The adjusting mechanism
It is made of one piece of adjustable plate, controls the openings of sizes of discharge port, applies the amount of broadcasting size purpose to reach control, the adjustable plate is fixed
In 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 CN104855027A (en) | 2015-08-26 |
| CN104855027B true CN104855027B (en) | 2018-05-04 |
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ID=53901560
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 |
Country Status (1)
| Country | Link |
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| CN (1) | CN104855027B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113273338B (en) * | 2021-05-24 | 2022-04-01 | 辽宁机电职业技术学院 | No-tillage seeding and fertilizing machine |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3232626A (en) * | 1963-12-20 | 1966-02-01 | Deere & Co | Material distributor |
| 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 |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| 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 |
-
2015
- 2015-05-06 CN CN201510226159.XA patent/CN104855027B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3232626A (en) * | 1963-12-20 | 1966-02-01 | Deere & Co | Material distributor |
| 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 |
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| Publication number | Publication date |
|---|---|
| CN104855027A (en) | 2015-08-26 |
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