CN206260226U - A kind of liquid fertilizer layered deep placement and lubrication drag reduction subsoiling combined working machine - Google Patents
A kind of liquid fertilizer layered deep placement and lubrication drag reduction subsoiling combined working machine Download PDFInfo
- Publication number
- CN206260226U CN206260226U CN201621390380.5U CN201621390380U CN206260226U CN 206260226 U CN206260226 U CN 206260226U CN 201621390380 U CN201621390380 U CN 201621390380U CN 206260226 U CN206260226 U CN 206260226U
- Authority
- CN
- China
- Prior art keywords
- subsoiling
- fertilizer
- drag reduction
- liquid
- liquid fertilizer
- 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.)
- Active
Links
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
- Y02P60/14—Measures for saving energy, e.g. in green houses
Landscapes
- Soil Working Implements (AREA)
- Fertilizing (AREA)
Abstract
The utility model provides a kind of liquid fertilizer layered deep placement and lubrication drag reduction subsoiling combined working machine, including frame, pressure injection high fertilizer lubrication drag reduction device, subsoiling device and suppression device；Frame fixes other devices for support, and mounts or draw with tractor suspension system, for it provides power；Subsoiling device is used to complete soil subsoiling and fertilising operation；Suppression device is used to complete broken, the compacting work of earth's surface soil block after Subsoiler；The layering that pressure injection fertilizer lubrication drag reduction device high is used to complete liquid fertilizer is injected, degradable lubricant mixes with liquid fertilizer and high pressure of the mixed liquor at deep soil loosing shovel cutting edge is injected.The utility model uses active lubrication drag reduction mode, lubricating film is formed between soil and shovel wing, reduce Subsoiler resistance simultaneously to apply under earth's surface in the range of 10~25cm liquid fertilizer, Subsoiler improves the fertility in crop field simultaneously, realize crop field layered deep placement fertilizer operation, the ability of crop field water conservation, soil moisture conservation, fertilizer conservation is improve, the ability that crop absorbs water and nutrient is increased.
Description
Technical field
The utility model belongs to agricultural machinery technological field, is related to a kind of liquid fertilizer layered deep placement and lubrication drag reduction subsoiling multiple
Formula working rig, realizes doubling as fertilising operation in the subsoiling for reducing Subsoiler resistance.
Background technology
Deep-ploughing implement is a kind of important agricultural protection farming technique, can effectively break arable land plough sole, improves soil
Earth is retained and conserved soil moisture and drought-relief, waterlogging-preventing ability, improves soil texture, improves farmland soil fertility, promotes the crop root systems such as wheat, corn
It is lower to prick and grow, realize high and stable yields.Soil subsoiling is the essential do mechanization operation of higher yield of crops, but deep ploughing machine
Observable index is larger during tool operation, and is significantly increased as subsoiling depth and equipment pace increase tractive resistance, therewith band
The headland turn radius of the big-power tractor for coming is big, soil compression the problems such as greatly hinder the development of deep-ploughing implement and push away
Extensively.
On the other hand, using subsoil application, the utilization rate of fertilizer can be just greatly improved, reduces the loss of nutriment in a fertilizer.But, it is existing
Some subsoiling land preparation technologies are not combined very well with layered deep placement fertilizer technology, therefore by subsoiling land preparation and layered deep placement fertilizer as knot
Conjunction can preferably realize the lasting volume increase of crop field staple food grain crop.
To sum up, for equipment subsoiling resistance it is big, needed for Subsoiler the problems such as high energy consumption, in the urgent need to inventing a kind of liquid
Fertile layered deep placement and lubrication drag reduction subsoiling combined working machine, reduce Subsoiler resistance on the premise of soil subsoiling quality is ensured
Layered deep placement fertilizer is realized simultaneously, it is significant for saving energy consumption, the supporting power of reduction, raising soil remediation ability.
Found through the literature search to prior art, Chinese invention patent " bionic, drag-reducing deep soil loosing shovel " number of patent application
201520236988.1, the deep soil loosing shovel of bionic, drag-reducing has imitated animal mode of appearance during evolution, but this only leads to
The drag reduction mode for crossing deep soil loosing shovel surface structure belongs to passive drag reduction.A kind of Chinese invention patent " Viberation deep coosener " number of patent application
201510948712.0 using the power output shaft of tractors as power resources, drive rack-mounted deep soil loosing shovel according to
Certain frequency and amplitude is shaken, and the energy consumption of tractor is increased so as to reach the purpose of drag reduction, but drive to vibrate, always
The purpose of saving energy consumption is not reaching to for body；Existing subsoiling equipment is used for subsoiling land preparation, not with layered deep placement fertilizer technology
Combine well, agricultural machinery and implement repeatedly roll soil with entering, and soil is compacted.
The content of the invention
In order to overcome the shortcomings of above technology, the purpose of this utility model is to provide a kind of liquid fertilizer layered deep placement and profit
Sliding drag reduction subsoiling combined working machine, as the layered deep placement fertilizer operation of liquid fertilizer while Subsoiler working resistance is reduced,
Reduce power demand configuration, reduce operating cost, there is provided while the means of rehabilitating soil, raising operating efficiency and preserving soil moisture,
The ability of water conservation, fertilizer conservation.
The concrete technical scheme that the utility model is used is as follows：The lubrication drag reduction subsoiling that a kind of layered deep placement fertilizer is doubled as is compound
Working rig, including：Frame, pressure injection high fertilizer lubrication drag reduction device, subsoiling device and suppression device.Described frame is used to support solid
Fixed other devices, and mount or draw with tractor suspension system, for it provides power；Described subsoiling device is used to complete soil
Earth subsoiling and fertilising operation；Described suppression device is used to complete broken, the compacting work of earth's surface soil block after Subsoiler；It is described
Pressure injection high fertilizer lubrication drag reduction device be used to completing the layering injection of liquid fertilizer, degradable lubricant mix with liquid fertilizer and
High pressure injection of the mixed liquor at deep soil loosing shovel cutting edge.
Described frame is made up of the rectangular tube that is interconnected and fixed, suspension arrangement, for installing, fixing other devices,
And mutually mounted with the suspension of tractor, equipment is drawn, power input.
Described pressure injection high fertilizer lubrication drag reduction device includes liquid fertilizer box, lubricant tank, filter, high-pressure pump, flow control
Valve processed, flowmeter, liquid fertilizer knockout, high pressure injection tube, pressure-control valve, venturi impregnator, pressure gauge, liquid fertilizer lubrication
Agent mixed liquor knockout, drag reduction woven hose are constituted；High-pressure pump is pumped out after liquid fertilizer is filtered from liquid fertilizer box, and one
Pressure-control valve is flowed through after the shunting of road, the entrance of venturi impregnator, the imbibition of venturi impregnator are accessed to after adjustment pressure
The outlet of mouth connection lubricant tank, after negative pressure suction lubricant mixes with liquid fertilizer, is passed through by the outlet of venturi impregnator
Pressure gauge flow to liquid fertilizer mix lubricant liquid knockout, and subsoiling device is injected through drag reduction woven hose after point liquid；Another road shunting
After flow successively through flow control valve and flowmeter, reach liquid fertilizer knockout, inject subsoiling device through high pressure injection tube after point liquid；
Lubricant in described lubricant tank is degradable lubricant or irrigation water.Described liquid fertilizer box memory storage has water-soluble liquid
State fertilizer.
Described subsoiling device is made up of deep soil loosing shovel group and depth control apparatus.Described deep soil loosing shovel group is by odd number subsoiling
Shovel is constituted, and is divided to two arrangements to put, front row arrangement odd number deep soil loosing shovel, heel row arrangement even number deep soil loosing shovel, and ensures adjacent two subsoiling
The horizontal spacing of shovel is equal.Described deep soil loosing shovel is made up of subsoiling spade, subsoiling shovel wing, subsoiling spear, and subsoiling spade is by U-shaped
Bolt is connected with frame, and subsoiling shovel wing is bolted on subsoiling spade middle and lower part, and subsoiling spear is bolted on
Subsoiling spade bottom；
Described depth control apparatus are made up of land wheel, rotary handle, lifter, and rotary handle is located at lifter upper end,
Lifter lower end is provided with land wheel, is installed on the both sides of frame.The height of land wheel is controlled by lifter using rotary handle, makes depth
Loose machine reaches suitable operation height.
Elongate grooves are offered on described subsoiling spade, high pressure injection tube is fixed in a groove.High pressure injection tube exists
Offer the high pressure fertilizer-injecting hole of different-diameter when deep soil loosing shovel works under corresponding earth's surface in the range of 10~25cm, realize layered deep placement
Fertilizer.
Elongate grooves are offered in described subsoiling shovel wing, by drag reduction woven hose sealing welding in a groove, subsoiling shovel wing
Drag reduction liquid injection hole is provided with nearly cutting edge, is communicated with the drag reduction woven hose at the back side, had after drag reduction liquid injection hole along equipment direction of advance
On be disposed with thin shallow micro-groove, degradable lubricant is covered in whole subsoiling shovel wing through drag reduction liquid injection hole by micro-groove, is formed
Lubricating film, shovel wing is isolated with soil, so as to reduce frictional resistance；
Described suppression device is made up of pack roller linking arm, pack roller, and pack roller linking arm upper end is connected with frame；
Pack roller linking arm lower end is connected with pressure roller main shaft, and hack tooth is fixed with pack roller outer surface；Complete soil after Subsoiler
Block is broken, compacting work.
Compared with present technology, the utility model is had the advantage that：
1st, the utility model uses active lubrication drag reduction mode, increases drag reduction infusion hole in deep soil loosing shovel wing surface, by height
Press pump injects liquid fertilizer mix lubricant liquid, and lubricant forms lubricating film along micro-groove between soil and shovel wing, reduces subsoiling
Operation resistance, slows down the degree of wear of shovel wing, reduces the power consumption of Subsoiler.
2nd, the utility model applies liquid fertilizer while subsoiling drag reduction under earth's surface in the range of 10~25cm, Subsoiler
The fertility in crop field is improve simultaneously, crop field layered deep placement fertilizer operation is realized, reduces the number of times that equipment enters ground, it is to avoid soil pressure
It is real.
3rd, the utility model subsoiling effect is good, without soil texture is changed, solves the problems, such as that deep soil is hardened, breaks
Plough sole, improves the ability of crop field water conservation, soil moisture conservation, fertilizer conservation, increased the ability that crop absorbs water and nutrient.
Brief description of the drawings
Fig. 1 is a kind of structure chart of liquid drag reduction subsoiler；
Fig. 2 is pressure injection high fertilizer lubrication drag reduction system structure diagram；
Fig. 3 is pressure injection high fertilizer and lubrication drag reduction pipeline installation diagram；
Fig. 4 is subsoiling shovel wing partial sectional view；
In figure：1st, rotary handle 2, lifter 3, land wheel 4, subsoiling spade 5, subsoiling shovel wing 6, subsoiling spear 7, town
Pressure roller 8, pack roller linking arm 9, liquid fertilizer mix lubricant liquid knockout 10, liquid fertilizer knockout 11, lubricant tank
12nd, venturi impregnator 13, pressure-control valve 14, flow control valve 15, flowmeter 16, high-pressure pump 17, filter 18,
Frame 19, pressure gauge 20, liquid fertilizer box 21, deep soil loosing shovel mounting hole 22, high pressure injection tube 23, high pressure fertilizer-injecting hole 24, subtract
Resistance woven hose 25, drag reduction liquid injection hole 26, micro-groove
Specific embodiment
The utility model is described further below in conjunction with the accompanying drawings.It is deep that the utility model provides a kind of liquid fertilizer layering
Apply with lubrication drag reduction subsoiling combined working machine, as shown in figure 1, described frame (18) is by the rectangular tube, outstanding that is interconnected and fixed
Hang device is constituted, and for installing, fixing other devices, and is mutually mounted with the suspension of tractor, equipment is drawn, is moved
Power is input into.
Described pressure injection high fertilizer lubrication drag reduction device includes liquid fertilizer box (20), lubricant tank (11), filter (17), height
Press pump (16), flow control valve (14), flowmeter (15), liquid fertilizer knockout (10), high pressure injection tube (22), pressure-control valve
(13), venturi impregnator (12), pressure gauge (19), liquid fertilizer mix lubricant liquid knockout (9), drag reduction woven hose are constituted
(24)；High-pressure pump (16) is pumped out after liquid fertilizer is filtered through filter (17) from liquid fertilizer box (20), is flowed through after shunting all the way
Pressure-control valve (13), accesses to the entrance of venturi impregnator (12), the imbibition of venturi impregnator (12) after adjustment pressure
The outlet of mouth connection lubricant tank (11), after negative pressure suction lubricant mixes with liquid fertilizer, by venturi impregnator (12)
Outlet flow to liquid fertilizer mix lubricant liquid knockout (9) through pressure gauge (19), injected through drag reduction woven hose (24) after point liquid
Subsoiling device；Flow control valve (14) and flowmeter (15) are flowed successively through after another road shunting, liquid fertilizer knockout (10) is reached,
After dividing liquid subsoiling device is injected through high pressure injection tube (22)；Lubricant in described lubricant tank (11) is degradable lubricant
Or irrigation water.Described liquid fertilizer box (20) internal memory contains liquid water-soluble fertilizer.
Described subsoiling device is made up of deep soil loosing shovel group and depth control apparatus.Described deep soil loosing shovel group is by odd number subsoiling
Shovel is constituted, and is divided to two arrangements to put, front row arrangement odd number deep soil loosing shovel, heel row arrangement even number deep soil loosing shovel, and ensures adjacent two subsoiling
The horizontal spacing of shovel is equal.Described deep soil loosing shovel is made up of subsoiling spade (4), subsoiling shovel wing (5), subsoiling spear (6), deep soil loosing shovel
Handle is connected by U-bolt with frame (18), and subsoiling shovel wing (5) is bolted on subsoiling spade (4) middle and lower part, subsoiling
Spear (6) is bolted on subsoiling spade (4) bottom；
Described depth control apparatus are made up of land wheel (3), rotary handle (1), lifter (2), and rotary handle (1) is located at
Lifter (2) upper end, lifter (2) lower end is provided with land wheel (3), is installed on the both sides of frame (18).It is logical using rotary handle (1)
The height of lifter (2) control land wheel (3) is crossed, subsoiler is reached suitable operation height.
Elongate grooves are offered on described subsoiling spade (4), high pressure injection tube (22) is fixed in a groove.Pressure injection high
Fertilizer pipe (22) offers the high pressure fertilizer-injecting hole of different-diameter when deep soil loosing shovel works in the range of 10~25cm under corresponding earth's surface
(23) layered deep placement fertilizer, is realized.
Elongate grooves are offered in described subsoiling shovel wing (5), it is by drag reduction woven hose (24) sealing welding in a groove, deep
Drag reduction liquid injection hole (25) is provided with the nearly cutting edge of loose shovel wing (5), is communicated with the drag reduction woven hose (24) at the back side, after drag reduction liquid injection hole
Have and thin shallow micro-groove (26) is disposed with equipment direction of advance, degradable lubricant is through drag reduction liquid injection hole (25) by micro-groove
(26) whole subsoiling shovel wing is covered in, lubricating film is formed, shovel wing is isolated with soil, so as to reduce frictional resistance；
Described suppression device is made up of pack roller linking arm (8), pack roller (7), pack roller linking arm (8) upper end and machine
Frame (18) is connected；Pack roller linking arm (8) lower end is connected with pressure roller (7) main shaft, is fixed with pack roller (7) outer surface broken
Native tooth；Complete clods breaking, compacting work after Subsoiler.
Claims (1)
1. a kind of liquid fertilizer layered deep placement and lubrication drag reduction subsoiling combined working machine, it is characterised in that including：Frame, pressure injection high fertilizer
Lubrication drag reduction device, subsoiling device and suppression device composition；
Described frame is made up of the rectangular tube that is interconnected and fixed, suspension arrangement, for installing, fixing other devices, and with
The suspension of tractor is mutually mounted, equipment is drawn, power input；
Described pressure injection high fertilizer lubrication drag reduction device include liquid fertilizer box, lubricant tank, filter, high-pressure pump, flow control valve,
Flowmeter, liquid fertilizer knockout, high pressure injection tube, pressure-control valve, venturi impregnator, pressure gauge, liquid fertilizer lubricant are mixed
Liquid knockout, drag reduction woven hose is closed to constitute；High-pressure pump is pumped out after liquid fertilizer is filtered from liquid fertilizer box, is divided all the way
Pressure-control valve is flowed through after stream, the entrance of venturi impregnator is accessed to after adjustment pressure, the liquid sucting port of venturi impregnator connects
The outlet of lubricant tank is connect, after negative pressure suction lubricant mixes with liquid fertilizer, by the outlet of venturi impregnator through pressure
Surface low injects subsoiling device after point liquid to liquid fertilizer mix lubricant liquid knockout through drag reduction woven hose；After the shunting of another road according to
It is secondary to flow through flow control valve and flowmeter, liquid fertilizer knockout is reached, inject subsoiling device through high pressure injection tube after point liquid；It is described
Lubricant tank in lubricant be degradable lubricant or irrigation water；Described liquid fertilizer box memory storage has liquid water-soluble
Fertilizer；
Described subsoiling device is made up of deep soil loosing shovel group and depth control apparatus；Described deep soil loosing shovel group is by odd number deep soil loosing shovel structure
Into, it is divided to two arrangements to put, front row arrangement odd number deep soil loosing shovel, heel row arrangement even number deep soil loosing shovel, and ensure adjacent two deep soil loosing shovel
Horizontal spacing is equal；Described deep soil loosing shovel is made up of subsoiling spade, subsoiling shovel wing, subsoiling spear, and subsoiling spade passes through U-bolt
It is connected with frame, subsoiling shovel wing is bolted on subsoiling spade middle and lower part, subsoiling spear is bolted on subsoiling
Spade bottom；
Described depth control apparatus are made up of land wheel, rotary handle, lifter, and rotary handle is located at lifter upper end, lifting
Device lower end is provided with land wheel, is installed on the both sides of frame；The height of land wheel is controlled by lifter using rotary handle, makes subsoiler
Reach suitable operation height；
Elongate grooves are offered on described subsoiling spade, high pressure injection tube is fixed in a groove；High pressure injection tube is in subsoiling
Offer the high pressure fertilizer-injecting hole of different-diameter when shovelman makees under corresponding earth's surface in the range of 10~25cm, realize layered deep placement fertilizer；
Elongate grooves are offered in described subsoiling shovel wing, by drag reduction woven hose sealing welding in a groove, the nearly sword of subsoiling shovel wing
Drag reduction liquid injection hole is provided with mouthful, is communicated with the drag reduction woven hose at the back side, there is the cloth in equipment direction of advance after drag reduction liquid injection hole
Thin shallow micro-groove is equipped with, degradable lubricant is covered in whole subsoiling shovel wing through drag reduction liquid injection hole by micro-groove, forms lubrication
Film, shovel wing is isolated with soil, so as to reduce frictional resistance；
Described suppression device is made up of pack roller linking arm, pack roller, and pack roller linking arm upper end is connected with frame；Suppression
Roller linking arm lower end is connected with pressure roller main shaft, and hack tooth is fixed with pack roller outer surface；Soil block breaks after completing Subsoiler
Broken, compacting work.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621390380.5U CN206260226U (en) | 2016-12-16 | 2016-12-16 | A kind of liquid fertilizer layered deep placement and lubrication drag reduction subsoiling combined working machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621390380.5U CN206260226U (en) | 2016-12-16 | 2016-12-16 | A kind of liquid fertilizer layered deep placement and lubrication drag reduction subsoiling combined working machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206260226U true CN206260226U (en) | 2017-06-20 |
Family
ID=59046574
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621390380.5U Active CN206260226U (en) | 2016-12-16 | 2016-12-16 | A kind of liquid fertilizer layered deep placement and lubrication drag reduction subsoiling combined working machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206260226U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108781550A (en) * | 2018-03-21 | 2018-11-13 | 重庆三峡学院 | A kind of soil conditioning device |
| CN109362245A (en) * | 2018-11-21 | 2019-02-22 | 吉林大学 | Gas-liquid mixed lubrication drag reduction deep soil loosing shovel |
| CN109923963A (en) * | 2019-03-21 | 2019-06-25 | 凤台县农业科学研究所 | Pao Gou grading mechanism and its working method when a kind of wheat-resistance to scab is sowed |
| CN110521298A (en) * | 2019-09-12 | 2019-12-03 | 泰山学院 | A kind of subsoiler and subsoiling method with double-vane moving gas film lubrication deep soil loosing shovel |
-
2016
- 2016-12-16 CN CN201621390380.5U patent/CN206260226U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108781550A (en) * | 2018-03-21 | 2018-11-13 | 重庆三峡学院 | A kind of soil conditioning device |
| CN108781550B (en) * | 2018-03-21 | 2021-02-12 | 重庆三峡学院 | Soil adjusting device |
| CN109362245A (en) * | 2018-11-21 | 2019-02-22 | 吉林大学 | Gas-liquid mixed lubrication drag reduction deep soil loosing shovel |
| CN109362245B (en) * | 2018-11-21 | 2024-01-05 | 吉林大学 | Gas-liquid mixed lubrication drag-reduction subsoiler |
| CN109923963A (en) * | 2019-03-21 | 2019-06-25 | 凤台县农业科学研究所 | Pao Gou grading mechanism and its working method when a kind of wheat-resistance to scab is sowed |
| CN110521298A (en) * | 2019-09-12 | 2019-12-03 | 泰山学院 | A kind of subsoiler and subsoiling method with double-vane moving gas film lubrication deep soil loosing shovel |
| CN110521298B (en) * | 2019-09-12 | 2024-07-23 | 泰山学院 | Subsoiler with double-wing winding air film lubrication subsoiler and subsoiling method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106612665A (en) | Lubricating and resistance-reducing subsoilercombining layering deep fertilization and method | |
| CN206260226U (en) | A kind of liquid fertilizer layered deep placement and lubrication drag reduction subsoiling combined working machine | |
| CN104255090B (en) | A kind of deep powder ridge hydraulic rotary machine | |
| CN101971723B (en) | Spin milling type multifunctional machine for deeply ploughing and crushing ridges | |
| CN203985027U (en) | A kind of profiling deep fertilizer applicator | |
| CN108738454A (en) | A kind of improvement of soil fertility integrated approach reducing ratooning rice rice field greenhouse gas emission | |
| CN206821222U (en) | A kind of ultra-high pressure water fluid jet stalk pre-cut cutter, ditching machine and no-tillage seeding machine | |
| CN110036715A (en) | Crop material or green manure crop, which are cut, concentrates ditch to bury returning to the field method and relevant device | |
| CN103416185A (en) | Fixed ridge culture and subsurface drip irrigation cultivation method | |
| CN201450744U (en) | Maize precision no-tillage sowing subsoiling compound working device | |
| CN205105565U (en) | Automatic system seeder | |
| CN205755435U (en) | A kind of no-tillage automatically controlled corn compound seeder | |
| CN105940810A (en) | Forced vibration pneumatic deep loosening machine | |
| CN105815010A (en) | No-tillage electronic control corn compound planter | |
| CN206821193U (en) | A kind of small malt extract position fertilising no-tillage seeding machine | |
| CN2834131Y (en) | Multifunctional tillage-free sowing machine | |
| CN211509750U (en) | Soil preparation seeding all-in-one | |
| CN209710717U (en) | A kind of sweet potato harvester | |
| CN201298994Y (en) | No-tillage combination fine drill | |
| CN201571316U (en) | Sod seeder | |
| CN111165102A (en) | Lubrication drag reduction subsoiling and liquid fertilizer deep application compound operation variable control system and method | |
| CN203181531U (en) | Ship type paddy planter | |
| CN205694140U (en) | Forced vibration air pressure subsoiler | |
| CN205694126U (en) | Forced vibration air pressure subsoiling weeding fertilizer applicator | |
| CN208210608U (en) | Combined cultivator |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |