CN103016431B - The hydraulic system of all-hydraulic transplanter - Google Patents
The hydraulic system of all-hydraulic transplanter Download PDFInfo
- Publication number
- CN103016431B CN103016431B CN201210549825.XA CN201210549825A CN103016431B CN 103016431 B CN103016431 B CN 103016431B CN 201210549825 A CN201210549825 A CN 201210549825A CN 103016431 B CN103016431 B CN 103016431B
- Authority
- CN
- China
- Prior art keywords
- oil circuit
- wheel drive
- oil
- transplanting
- rear wheel
- 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.)
- Expired - Fee Related
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Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C11/00—Transplanting machines
- A01C11/006—Other parts or details or planting machines
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
- F16H61/38—Control of exclusively fluid gearing
- F16H61/40—Control of exclusively fluid gearing hydrostatic
- F16H61/4035—Control of circuit flow
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
- F16H61/38—Control of exclusively fluid gearing
- F16H61/40—Control of exclusively fluid gearing hydrostatic
- F16H61/44—Control of exclusively fluid gearing hydrostatic with more than one pump or motor in operation
- F16H61/456—Control of the balance of torque or speed between pumps or motors
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K23/00—Arrangement or mounting of control devices for vehicle transmissions, or parts thereof, not otherwise provided for
- B60K23/04—Arrangement or mounting of control devices for vehicle transmissions, or parts thereof, not otherwise provided for for differential gearing
- B60K2023/043—Control means for varying left-right torque distribution, e.g. torque vectoring
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Soil Sciences (AREA)
- Environmental Sciences (AREA)
- Arrangement And Driving Of Transmission Devices (AREA)
- Transplanting Machines (AREA)
- Motor Power Transmission Devices (AREA)
- Fluid-Pressure Circuits (AREA)
- Lifting Devices For Agricultural Implements (AREA)
Abstract
The present invention relates to a kind of hydraulic system of all-hydraulic transplanter, comprise fuel tank, oil pump, some solenoid valves and some motors, it comprises front-wheel drive oil circuit, rear wheel drive oil circuit and transplanting oil circuit, described front-wheel drive oil circuit and two front-wheel drive motors, two front-wheel drive motors and between be provided with a synchronous valve, described rear wheel drive oil circuit is connected with two rear wheel drive motor, also synchronous valve is provided with, described transplanting oil circuit and a transplanting motors between two rear wheel drive motor.The present invention has structure simple, heavy the lightest, layout convenience, failure rate is low, feature that maintenance cost is low, and lays the foundation for transplanter develops to multifunction.
Description
Technical field
The present invention relates to a kind of transplanter, especially relate to a kind of drive system of transplanter.
Background technique
Transplanter be use one of the widest equipment in agricultural production, it greatly reduces grain-production, particularly the labor intensity of Rice Production.Existing transplanter use mechanical transmission without exception, this kind of drive is with the accuracy of its transmission, and the technology of maturation is well received.But the driving mechanism of its complexity constrains transplanter to be developed to multifunction, also improves its maintenance cost.
Summary of the invention
The present invention mainly solves the complicated mechanism of the transplanter existing for prior art, layout bothers, constrain it to develop to multifunction, there is rate of fault simultaneously high, maintenance cost high-technology problem, there is provided a kind of structure simple, heavy the lightest, layout convenience, failure rate is low, maintenance cost are low, and are transplanter develops hydraulic system from the all-hydraulic transplanter laid the foundation to multifunction.
Above-mentioned technical problem of the present invention is mainly solved by following technical proposals: a kind of hydraulic system of all-hydraulic transplanter, comprise fuel tank, oil pump, some solenoid valves and some motors, it is characterized in that it comprises front-wheel drive oil circuit, rear wheel drive oil circuit and transplanting oil circuit, described front-wheel drive oil circuit and two front-wheel drive motors, two front-wheel drive motors and between be provided with a synchronous valve, described rear wheel drive oil circuit is connected with two rear wheel drive motor, also synchronous valve is provided with between two rear wheel drive motor, described transplanting oil circuit and a transplanting motors.The present invention, by two front-wheel drive motors and two rear wheel drive motor drive wheel separately, forms 4 wheel driven structure, and this driving mode is very flexible and power is powerful, is conducive to it and adapts to various operating condition.The synchronous valve be provided with between two front-wheel drive motors and between two rear wheel drive motor ensure that in advance or falls back in process, the synchronism between left and right side wheel.Meanwhile, due at transplanter in steering procedure, different to the reaction force of oil-way system between left and right wheels, just by the balanced action of synchronous valve, make its nearside wheel rotating speed realized when turning be slower than outboard wheel, reach smooth, curving effect flexibly.
As preferably, described front-wheel drive oil circuit comprises forerunner's pump and a H type three position four-way directional control valve, the filler opening of this three position four-way directional control valve is connected with forerunner's pump, and return opening is connected with the oil inlet end of described transplanting oil circuit, actuator port respectively with two front-wheel drive motors; Described rear wheel drive oil circuit comprises a rear-guard pump and a H type three position four-way directional control valve, the filler opening of this three position four-way directional control valve is connected with rear-guard pump, return opening is connected with the oil inlet end of described transplanting oil circuit, and actuator port is connected with two rear wheel drive motor respectively.No matter above-mentioned three position four-way directional control valve is in forward oil circuit or reverse oil circuit, its oil return is all by transplanting oil circuit, utilize front and rear wheel to drive the oil return of oil circuit, drive implanting mechanism work, when this three position four-way directional control valve is in meta, because this three position four-way directional control valve is H type, now, oil-feed and the oil return circuit of front and rear wheel are directly connected, and front and rear wheel drive motor quits work, now, this hydraulic circuit can drive implanting mechanism work.The present invention utilizes front and back wheels to drive the oil return of oil circuit to drive implanting mechanism, simplifies on the one hand the working oil path of implanting mechanism, and on the other hand, this mode achieves the interlock that implanting mechanism and wheel are walked, and ensure that the proportionate relationship between them.Different road surfaces when walking, can also cut wheel drive or rear wheel drive by the three position four-way directional control valve on adjustment front-wheel drive oil circuit or rear wheel drive oil circuit.
As preferably, this system comprises transplanting portion and promotes oil circuit, and transplanting portion promotes oil circuit and is provided with an elevator pump, and this transplanting portion promotes oil circuit and is connected with lift cylinder.Transplanting portion needs according to handling situations adjustment height, and needs transplanting portion to improve completely when shifting between operation plot, and native system is by an oil pump, and namely elevator pump drives lift cylinder to complete.
As preferably, this system comprises and turns to oil circuit, and turn to oil circuit to comprise a steering pump, this turns to oil circuit to be connected with a steering motor.The steering equipment of transplanter can be completed by mechanical mechanism, also can be completed by the oil circuit that turns to of the technical program, and it drives steering motor to rotate by an oil pump (i.e. steering pump).This mode effectively simplifies mechanism, facilitates the layout of steering system.
As preferably, between the oil inlet end of described transplanting motor and oil revolving end, be parallel with relief valve, throttle valve respectively, and two position two-way valve.Relief valve has protective action to transplanting motor; throttle valve can shunt the oil mass of transplanting motor; make it can control transplanting speed; after the aperture of a throttle valve of setting; because transplanting oil circuit and front and rear wheel drive the relation of oil circuit; regardless of the forward velocity of transplanter, the spacing of its rice transplanting is fixing.That is, the control of spacing has come by regulating the aperture of throttle valve.Operation is very easy to make it.When two position two-way valve is in closed valve position, transplanting motor operations, when two position two-way valve is in connection valve position, hydraulic circuit emptying, transplanting motor does not work.
As preferably, described each front-wheel drive motor and rear wheel drive motor are equipped with the by-pass cock of a high bottom gear, this by-pass cock is connected with an oil hydraulic cylinder, this oil hydraulic cylinder is connected with a hydraulically powered high/low pressure cut-over valve, this high/low pressure cut-over valve driving port is controlled switching valve with an oil and is connected, two oil inlet ends one of this oil control switching valve are connected with the oil inlet end promoting oil circuit, and another is connected with turning to the oil outlet end of oil circuit, front-wheel drive oil circuit, rear wheel drive oil circuit and transplanting oil circuit.Top gear is transplanter not operation, the gear walked in road surface, and bottom gear is the gear of transplanter when operation.When high/low pressure cut-over valve drives port to be connected with the oil inlet end promoting oil circuit by oil control switching valve, high/low pressure cut-over valve action can be driven, and then drive above-mentioned oil hydraulic cylinder action, it is made to drive the action of high bottom gear by-pass cock, front and rear wheel drive motor is made to enter high speed rotating, otherwise, when high/low pressure cut-over valve drives port by oil control switching valve with when turning to the oil outlet end of oil circuit, front-wheel drive oil circuit, rear wheel drive oil circuit and transplanting oil circuit to be connected, front and rear wheel drive motor enters and slowly runs.
As preferably, described forerunner's pump, rear-guard pump, elevator pump and steering pump are combined into one four and connect pump, and wherein forerunner's pump and rear-guard pump are provided with a linkage regulating valve.Gear pump in use starts simultaneously, and by motor Driven by Coaxial, it is arranged closely.And front and back wheels needs synchronous axial system in operation or walking process, therefore, its speed in same gear is regulated by a linkage regulating valve.
The beneficial effect brought of the present invention is, solve the complicated mechanism of the transplanter existing for prior art, layout bothers, constrain it to develop to multifunction, there is rate of fault simultaneously high, maintenance cost high-technology problem, achieve a kind of structure simple, heavy the lightest, layout convenience, failure rate is low, maintenance cost are low, and are transplanter develops hydraulic system from the all-hydraulic transplanter laid the foundation to multifunction.
Accompanying drawing explanation
Accompanying drawing 1 is a kind of structural representation of the present invention;
Accompanying drawing 2 is a kind of fundamental diagrams of the present invention.
Embodiment
Below by embodiment, and by reference to the accompanying drawings, technological scheme of the present invention is described in further detail.
Embodiment:
As Fig. 1, shown in 2, the present invention is a kind of hydraulic system of all-hydraulic transplanter, comprise fuel tank 15, oil pump, some solenoid valves and some motors, it comprises front-wheel drive oil circuit, rear wheel drive oil circuit, transplanting oil circuit, transplanting portion promotes oil circuit and turns to oil circuit, described front-wheel drive oil circuit is connected with two front-wheel drive motors 1, a synchronous valve 3 is provided with between two front-wheel drive motors 1, described rear wheel drive oil circuit is connected with two rear wheel drive motor 2, also synchronous valve 3 is provided with between two rear wheel drive motor 2, described transplanting oil circuit is connected with a transplanting motor 8.Relief valve 7, throttle valve 6 is parallel with respectively between the oil inlet end of transplanting motor and oil revolving end, and two position two-way valve 5.Front-wheel drive oil circuit comprises forerunner's pump 10 and a H type three position four-way directional control valve 4, the filler opening of this three position four-way directional control valve 4 is connected with forerunner's pump 1, return opening is connected with the oil inlet end of described transplanting oil circuit, and actuator port is connected with two front-wheel drive motors 1 respectively; Described rear wheel drive oil circuit comprises a rear-guard pump 11 and a H type three position four-way directional control valve 4, the filler opening of this three position four-way directional control valve 4 is connected with rear-guard pump 11, return opening is connected with the oil inlet end of described transplanting oil circuit, and actuator port is connected with two rear wheel drive motor 2 respectively; Transplanting portion promotes oil circuit and is provided with an elevator pump 12, and this transplanting portion promotes oil circuit and is connected with lift cylinder 14; Turn to oil circuit to comprise a steering pump 13, this turns to oil circuit to be connected with a steering motor 9.Each front-wheel drive motor 1 and rear wheel drive motor 2 are equipped with the by-pass cock 17 of a high bottom gear, this by-pass cock 17 is connected with an oil hydraulic cylinder 18, this oil hydraulic cylinder 18 is connected with a hydraulically powered high/low pressure cut-over valve 19, this high/low pressure cut-over valve 19 drives port to control switching valve 16 be connected with an oil, two oil inlet ends one of this oil control switching valve 16 are connected with the oil inlet end promoting oil circuit, and another is connected with turning to the oil outlet end of oil circuit, front-wheel drive oil circuit, rear wheel drive oil circuit and transplanting oil circuit.Forerunner's pump 10, rear-guard pump 11, elevator pump 12 and steering pump 13 are combined into one four and connect pump, and wherein forerunner's pump and rear-guard pump are provided with a linkage regulating valve 20.
The present invention in use, by two front-wheel drive motors and two rear wheel drive motor drive wheel separately, form 4 wheel driven structure, the synchronous valve be provided with between two front-wheel drive motors and between two rear wheel drive motor ensure that in advance or falls back in process, the synchronism between left and right side wheel.Simultaneously, due at transplanter in steering procedure, different to the reaction force of oil-way system between left and right wheels, just by the balanced action of synchronous valve, its nearside wheel rotating speed realized when turning is made to be slower than outboard wheel, reach smooth, curving effect flexibly, front and back wheels drives the oil return of oil circuit all by transplanting oil circuit, before utilization, the oil return of rear wheel drive oil circuit, driving implanting mechanism works, when this three position four-way directional control valve is in meta, before, oil-feed and the oil return circuit of trailing wheel are directly connected, before, rear wheel drive motor quits work, now, this hydraulic circuit can drive implanting mechanism work.The present invention utilizes front and back wheels to drive the oil return of oil circuit to drive implanting mechanism, simplifies on the one hand the working oil path of implanting mechanism, and on the other hand, this mode achieves the interlock that implanting mechanism and wheel are walked, and ensure that the proportionate relationship between them.Different road surfaces when walking, can also cut wheel drive or rear wheel drive by the three position four-way directional control valve on adjustment front-wheel drive oil circuit or rear wheel drive oil circuit.Top gear is transplanter not operation, the gear walked in road surface, and bottom gear is the gear of transplanter when operation.When high/low pressure cut-over valve drives port to be connected with the oil inlet end promoting oil circuit by oil control switching valve, high/low pressure cut-over valve action can be driven, and then drive above-mentioned oil hydraulic cylinder action, it is made to drive the action of high bottom gear by-pass cock, front and rear wheel drive motor is made to enter high speed rotating, otherwise, when high/low pressure cut-over valve drives port by oil control switching valve with when turning to the oil outlet end of oil circuit, front-wheel drive oil circuit, rear wheel drive oil circuit and transplanting oil circuit to be connected, front and rear wheel drive motor enters and slowly runs.
So the present invention has the features such as structure is simple, heavy the gentliest, layout convenience, failure rate is low, maintenance cost are low.
Claims (4)
1. the hydraulic system of an all-hydraulic transplanter, comprise fuel tank, oil pump, some solenoid valves and some motors, it is characterized in that it comprises front-wheel drive oil circuit, rear wheel drive oil circuit and transplanting oil circuit, described front-wheel drive oil circuit and two front-wheel drive motors, a synchronous valve is provided with between two front-wheel drive motors, described rear wheel drive oil circuit is connected with two rear wheel drive motor, also synchronous valve is provided with between two rear wheel drive motor, described transplanting oil circuit and a transplanting motors, described front-wheel drive oil circuit comprises forerunner's pump and a H type three position four-way directional control valve, the filler opening of this three position four-way directional control valve is connected with forerunner's pump, return opening is connected with the oil inlet end of described transplanting oil circuit, actuator port respectively with two front-wheel drive motors, described rear wheel drive oil circuit comprises a rear-guard pump and a H type three position four-way directional control valve, the filler opening of this three position four-way directional control valve is connected with rear-guard pump, return opening is connected with the oil inlet end of described transplanting oil circuit, and actuator port is connected with two rear wheel drive motor respectively.
2. the hydraulic system of all-hydraulic transplanter according to claim 1, it is characterized in that it comprises transplanting portion and promotes oil circuit, transplanting portion promotes oil circuit and is provided with an elevator pump, and this transplanting portion promotes oil circuit and is connected with lift cylinder.
3. the hydraulic system of all-hydraulic transplanter according to claim 2, is characterized in that it comprises and turns to oil circuit, turns to oil circuit to comprise a steering pump, and this turns to oil circuit to be connected with a steering motor.
4. the hydraulic system of the all-hydraulic transplanter according to Claims 2 or 3, is characterized in that being parallel with relief valve, throttle valve respectively between the oil inlet end of described transplanting motor and oil revolving end, and two position two-way valve.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210549825.XA CN103016431B (en) | 2012-12-17 | 2012-12-17 | The hydraulic system of all-hydraulic transplanter |
| KR1020157016364A KR101805524B1 (en) | 2012-12-17 | 2013-01-20 | Hydraulic system of fully hydraulic rice transplanter |
| PCT/CN2013/070743 WO2014094371A1 (en) | 2012-12-17 | 2013-01-20 | Hydraulic system of fully hydraulic rice transplanter |
| JP2015546804A JP6084302B2 (en) | 2012-12-17 | 2013-01-20 | Hydraulic system of all hydraulic seedling transplanter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210549825.XA CN103016431B (en) | 2012-12-17 | 2012-12-17 | The hydraulic system of all-hydraulic transplanter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103016431A CN103016431A (en) | 2013-04-03 |
| CN103016431B true CN103016431B (en) | 2016-02-10 |
Family
ID=47965400
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210549825.XA Expired - Fee Related CN103016431B (en) | 2012-12-17 | 2012-12-17 | The hydraulic system of all-hydraulic transplanter |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JP6084302B2 (en) |
| KR (1) | KR101805524B1 (en) |
| CN (1) | CN103016431B (en) |
| WO (1) | WO2014094371A1 (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103190231B (en) * | 2013-04-10 | 2016-02-03 | 莱恩农业装备有限公司 | A kind of full four-wheel guiding rice transplanter |
| CN111022436B (en) * | 2019-12-06 | 2021-01-26 | 湖南中联重科智能高空作业机械有限公司 | Hydraulic drive system and aerial working equipment |
| CN113575116B (en) * | 2021-07-02 | 2022-04-12 | 农业农村部南京农业机械化研究所 | Triangular crawler harvester for ratooning rice |
| CN113575115B (en) * | 2021-07-02 | 2022-04-08 | 农业农村部南京农业机械化研究所 | Wheel-track combined regenerated rice combine harvester |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2487210Y (en) * | 2001-07-06 | 2002-04-24 | 刘少先 | Self-propelled seedling planting machine |
| CN201792744U (en) * | 2010-08-31 | 2011-04-13 | 三一重工股份有限公司 | Single-pump dual-motor driving engineering vehicle and hydraulic system and control device thereof |
| CN202535719U (en) * | 2011-12-26 | 2012-11-21 | 覃志明 | Hydraulic driving system of full-hydraulic four-wheel-driven seedling planting machine |
| CN202971366U (en) * | 2012-12-17 | 2013-06-05 | 莱恩农业装备有限公司 | Full-hydraulic drive system of seedling-planting machine |
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| US4583371A (en) * | 1982-11-10 | 1986-04-22 | Kabushiki Kaisha Komatsu Seisakusho | Hydrostatic drive arrangement |
| JPS60157429U (en) * | 1984-03-29 | 1985-10-19 | 愛知車輌株式会社 | Travel hydraulic circuit |
| JPS61128401U (en) * | 1985-01-31 | 1986-08-12 | ||
| JPH07329801A (en) * | 1994-06-08 | 1995-12-19 | Yanmar Agricult Equip Co Ltd | Steering device for agricultural work machine |
| JPH07250516A (en) * | 1994-12-02 | 1995-10-03 | Yanmar Agricult Equip Co Ltd | Rolling controlling apparatus for walking-type rice transplanter |
| JP2002173058A (en) * | 2000-12-05 | 2002-06-18 | Kanzaki Kokyukoki Mfg Co Ltd | Hydraulic wheel lifting device for walking type working vehicle |
| GB0614534D0 (en) * | 2006-07-21 | 2006-08-30 | Artemis Intelligent Power Ltd | Fluid power distribution and control system |
| CN202100543U (en) * | 2011-06-17 | 2012-01-04 | 佳木斯沃迪农机制造有限公司 | Hydraulic synchronous driving device |
| CN102511231B (en) * | 2011-12-26 | 2014-01-22 | 覃志明 | Hydraulic driving system of full-hydraulic four-wheel-drive rice seedling transplanting machine |
| CN203020074U (en) * | 2012-12-17 | 2013-06-26 | 莱恩农业装备有限公司 | All-hydraulic driving system of lifting type rice transplanter |
| CN103010013B (en) * | 2012-12-17 | 2016-06-29 | 莱恩农业装备有限公司 | The full hydraulic drive system of lift rice transplanter |
| CN103004313B (en) * | 2012-12-17 | 2015-07-08 | 莱恩农业装备有限公司 | Full hydraulically-driven two-dimensional translational elevating agricultural frame |
| CN202958118U (en) * | 2012-12-17 | 2013-06-05 | 莱恩农业装备有限公司 | Full-hydraulic drive two-dimensional horizontally-moving lifting type farm-oriented car frame |
-
2012
- 2012-12-17 CN CN201210549825.XA patent/CN103016431B/en not_active Expired - Fee Related
-
2013
- 2013-01-20 WO PCT/CN2013/070743 patent/WO2014094371A1/en active Application Filing
- 2013-01-20 KR KR1020157016364A patent/KR101805524B1/en active IP Right Grant
- 2013-01-20 JP JP2015546804A patent/JP6084302B2/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2487210Y (en) * | 2001-07-06 | 2002-04-24 | 刘少先 | Self-propelled seedling planting machine |
| CN201792744U (en) * | 2010-08-31 | 2011-04-13 | 三一重工股份有限公司 | Single-pump dual-motor driving engineering vehicle and hydraulic system and control device thereof |
| CN202535719U (en) * | 2011-12-26 | 2012-11-21 | 覃志明 | Hydraulic driving system of full-hydraulic four-wheel-driven seedling planting machine |
| CN202971366U (en) * | 2012-12-17 | 2013-06-05 | 莱恩农业装备有限公司 | Full-hydraulic drive system of seedling-planting machine |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2014094371A1 (en) | 2014-06-26 |
| KR101805524B1 (en) | 2017-12-07 |
| JP6084302B2 (en) | 2017-02-22 |
| CN103016431A (en) | 2013-04-03 |
| KR20150111909A (en) | 2015-10-06 |
| JP2016508711A (en) | 2016-03-24 |
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Effective date of registration: 20210412 Address after: No. 199, Jujia village, he Jiaxiang, Changshan County, Quzhou City, Zhejiang Province Patentee after: Ju Xiali Address before: 321025 no.3988, Binhong West Road, Wucheng District, Jinhua City, Zhejiang Province Patentee before: LION AGRICULTURAL EQUIPMENT Co.,Ltd. Patentee before: Gao Fuqiang |
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Granted publication date: 20160210 Termination date: 20211217 |
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