CN103010014B - The electro-hydraulic hybrid drive system of rice transplanter - Google Patents
The electro-hydraulic hybrid drive system of rice transplanter Download PDFInfo
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- CN103010014B CN103010014B CN201310002942.9A CN201310002942A CN103010014B CN 103010014 B CN103010014 B CN 103010014B CN 201310002942 A CN201310002942 A CN 201310002942A CN 103010014 B CN103010014 B CN 103010014B
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- wheel drive
- oil circuit
- pump
- oil
- rear wheel
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- Non-Deflectable Wheels, Steering Of Trailers, Or Other Steering (AREA)
- Lifting Devices For Agricultural Implements (AREA)
Abstract
The present invention relates to the electro-hydraulic hybrid drive system of a kind of rice transplanter, it is by front-wheel drive oil circuit, rear wheel drive oil circuit, rice transplanting motor and controller, described front-wheel drive oil circuit and two front-wheel drive motors, it is provided with front-wheel synchronous valve between two front-wheel drive motors, described rear wheel drive oil circuit and two rear wheel drive motor are connected, it is provided with rear synchronous valve between two rear wheel drive motor, described front-wheel drive motor and/or rear wheel drive motor are provided with Speed sensing device, the signal circuit of this Speed sensing device is connected with described controller, the control circuit of described rice transplanting motor is connected with described controller.The present invention has the features such as simple in construction, weight is the lightest, layout convenience, failure rate is low, maintenance cost are low.
Description
Technical field
The present invention relates to a kind of rice transplanter, especially relate to the drive system of a kind of rice transplanter.
Background technology
Rice transplanter is one of the widest equipment that uses in agricultural production, and it greatly reduces grain-production, particularly the labor intensity of Rice Production.Existing rice transplanter use machine driving without exception, this kind of drive is with the accuracy of its transmission, and the technology of maturation is well received.But, the drive mechanism of its complexity constrains rice 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 rice transplanter existing for prior art, layout bothers, constrain it to develop to multifunction, there is fault rate height simultaneously, the technical problems such as maintenance cost is high, there is provided a kind of simple in construction, weight is the lightest, layout convenience, failure rate is low, maintenance cost are low, and the electro-hydraulic hybrid drive system of the rice transplanter laid the foundation to multifunction development for rice transplanter.
The above-mentioned technical problem of the present invention is addressed mainly by following technical proposals: the electro-hydraulic hybrid drive system of a kind of rice transplanter, it is characterized in that it is by front-wheel drive oil circuit, rear wheel drive oil circuit, rice transplanting motor and controller, described front-wheel drive oil circuit and two front-wheel drive motors, it is provided with front-wheel synchronous valve between two front-wheel drive motors, described rear wheel drive oil circuit and two rear wheel drive motor are connected, it is provided with rear synchronous valve between two rear wheel drive motor, described front-wheel drive motor and/or rear wheel drive motor are provided with Speed sensing device, the signal circuit of this Speed sensing device is connected with described controller, the control circuit of described rice transplanting motor is connected with described controller.The present invention each independently drives wheel by two front-wheel drive motors and two rear wheel drive motor, forms 4 wheel driven structure, and this type of drive is very flexible and power is powerful, is conducive to it to adapt to various operating conditions.The synchronous valve being provided with between two front-wheel drive motors and between two rear wheel drive motor ensure that is advancing or is falling back in process, the synchronicity between left and right sides wheel.Simultaneously as at rice transplanter in steering procedure, between left and right wheels, the counteracting force of oil piping system is different, just by the balanced action of synchronous valve so that its nearside wheel rotating speed realized when turning is slower than outboard wheel, reaches smoothness, flexibly curving effect.After the spacing in the rows being set rice transplanting by controller, ensure that spacing in the rows does not change with the change of the speed of travel, the rotating speed being accomplished by rice transplanting motor changes according to the change of walking speed, and be to maintain a specific proportionate relationship between the rotating speed of the speed of travel and rice transplanting motor, change that this specific proportionate relationship requires with spacing in the rows and change.It is contemplated that wheel there will be the phenomenon of skidding, it is possible to be respectively equipped with Speed sensing device on front and rear wheel motor, and judged by controller, using slower for a rotating speed tach signal as control rice transplanting motor speed foundation.
As preferably, described front-wheel drive oil circuit includes forerunner's pump and a reversal valve, the oil-in of this reversal valve is connected with forerunner's pump, in two actuator ports one and described two front-wheel drive motors, another is by described preamble valve and described two front-wheel drive motors；Described rear wheel drive oil circuit includes a rear-guard pump and a reversal valve, the oil-in of this reversal valve is connected with rear-guard pump, in two actuator ports one is connected with described two rear wheel drive motor, and another is connected with described two rear wheel drive motor by described rear synchronous valve.Oil-in is P mouth, and oil return opening is T mouth, actuator port respectively A mouth, B mouth.
As preferably, this system includes 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 to improve transplanting portion completely during transfer between operation plot, and native system passes through an oil pump, and namely elevator pump drives lift cylinder to complete.
As preferably, this system includes turning to oil circuit, turns to oil circuit to include a steering pump, and this turns to oil circuit and a steering cylinder to be connected.The steering mechanism of rice transplanter can be completed by mechanical mechanism, it is also possible to is completed by the oil circuit that turns to of the technical program, and it drives steering cylinder to rotate by an oil pump (i.e. steering pump).This mode effectively simplifies mechanism, facilitates the layout of steering.
As preferably, described each front-wheel drive motor and rear wheel drive motor are equipped with the adjustment switch of a high low or first gear, this adjustment switch is connected with a hydraulic cylinder, this hydraulic cylinder and a hydraulically powered high/low pressure cut-over valve are connected, this high/low pressure cut-over valve drives port and an oil control switching valve to be 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 the oil outlet end turning to oil circuit, front-wheel drive oil circuit, rear wheel drive oil circuit and transplanting oil circuit.Top gear is rice transplanter not operation, and the gear of walking on road surface, low or first gear is the rice transplanter gear 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 hydraulic cylinder action, it is made to drive high low or first gear to regulate switch motion, forward and backward wheel-drive motor is made to enter high-speed rotation, otherwise, when high/low pressure cut-over valve drives port to be connected with the oil outlet end turning to oil circuit, front-wheel drive oil circuit, rear wheel drive oil circuit and transplanting oil circuit by oil control switching valve, forward and backward 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 even pump, and wherein forerunner's pump and rear-guard pump are provided with a linkage regulating valve.Rear pump or output pump in use starts simultaneously, and by electromotor Driven by Coaxial, it is arranged closely.And front and back wheel needs synchronous axial system in operation or walking process, therefore, regulate its speed in same gear by a linkage regulating valve.
Bringing of the present invention provides the benefit that, solve the complicated mechanism of rice transplanter existing for prior art, layout bothers, constrain it to develop to multifunction, there is fault rate height simultaneously, the technical problems such as maintenance cost is high, it is achieved that a kind of simple in construction, weight is the lightest, layout convenience, failure rate is low, maintenance cost are low, and develop the electro-hydraulic hybrid drive system of the rice transplanter laid the foundation to multifunction for rice transplanter.
Accompanying drawing explanation
Accompanying drawing 1 is a kind of fundamental diagram of the hydraulic part of the present invention；
The electricity that accompanying drawing 2 is the present invention drives a kind of fundamental diagram partly.
Detailed description of the invention
By the examples below, and in conjunction with accompanying drawing, technical scheme is described in further detail.
Embodiment:
As shown in Figure 1 and Figure 2, a kind of electro-hydraulic hybrid drive system of rice transplanter, it is promoted oil circuit by front-wheel drive oil circuit, rear wheel drive oil circuit, transplanting portion, is turned to oil circuit, rice transplanting motor and controller, described front-wheel drive oil circuit and two front-wheel drive motors 1 are connected, it is provided with front-wheel synchronous valve 31 between two front-wheel drive motors 1, described rear wheel drive oil circuit and two rear wheel drive motor 2 are connected, and are provided with rear synchronous valve 32 between two rear wheel drive motor 2.Front-wheel drive oil circuit includes forerunner's pump 10 and a reversal valve 4, the oil-in of this reversal valve 4 is connected with forerunner's pump 10, in two actuator ports one is connected with described two front-wheel drive motors 1, and another is connected with described two front-wheel drive motors 1 by described preamble valve 31；Described rear wheel drive oil circuit includes a rear-guard pump 11 and a reversal valve 4, the oil-in of this reversal valve 4 is connected with rear-guard pump 11, in two actuator ports one is connected with described two rear wheel drive motor 2, and another is connected with described two rear wheel drive motor by described rear synchronous valve 32.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；Turning to oil circuit to include a steering pump 13, this turns to oil circuit and a steering cylinder 9 to be connected.Described front-wheel drive motor and rear wheel drive motor are provided with Speed sensing device 21, it is also possible to set Speed sensing device on front-wheel drive motor or rear wheel drive motor.The signal circuit of this Speed sensing device is connected with described controller 22, and the control circuit of described rice transplanting motor 23 is connected with described controller 22.Each front-wheel drive motor and rear wheel drive motor are equipped with the adjustment switch 17 of a high low or first gear, this adjustment switch 17 is connected with a hydraulic cylinder 18, this hydraulic cylinder and a hydraulically powered high/low pressure cut-over valve 19 are connected, this high/low pressure cut-over valve drives port and an oil control switching valve 16 to be 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 the oil outlet end turning to oil circuit, front-wheel drive oil circuit, rear wheel drive oil circuit and transplanting oil circuit.Forerunner's pump, rear-guard pump, elevator pump and steering pump are combined into one four even pump, and wherein forerunner's pump and rear-guard pump are provided with a linkage regulating valve 20.
In use, the present invention each independently drives wheel by two front-wheel drive motors and two rear wheel drive motor to the present invention, forms 4 wheel driven structure, and this type of drive is very flexible and power is powerful, is conducive to it to adapt to various operating conditions.The synchronous valve being provided with between two front-wheel drive motors and between two rear wheel drive motor ensure that is advancing or is falling back in process, the synchronicity between left and right sides wheel.Simultaneously as at rice transplanter in steering procedure, between left and right wheels, the counteracting force of oil piping system is different, just by the balanced action of synchronous valve so that its nearside wheel rotating speed realized when turning is slower than outboard wheel, reaches smoothness, flexibly curving effect.After the spacing in the rows being set rice transplanting by controller, ensure that spacing in the rows does not change with the change of the speed of travel, the rotating speed being accomplished by rice transplanting motor changes according to the change of walking speed, and be to maintain a specific proportionate relationship between the rotating speed of the speed of travel and rice transplanting motor, change that this specific proportionate relationship requires with spacing in the rows and change.It is contemplated that wheel there will be the phenomenon of skidding, it is possible to be respectively equipped with Speed sensing device on front and rear wheel motor, and judged by controller, using slower for a rotating speed tach signal as control rice transplanting motor speed foundation.On different road surfaces during walking, it is also possible to cut wheel drive or rear wheel drive by adjusting the reversal valve on front-wheel drive oil circuit or rear wheel drive oil circuit.Top gear is rice transplanter not operation, and the gear of walking on road surface, low or first gear is the rice transplanter gear 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 hydraulic cylinder action, it is made to drive high low or first gear to regulate switch motion, forward and backward wheel-drive motor is made to enter high-speed rotation, otherwise, when high/low pressure cut-over valve drives port to be connected with the oil outlet end turning to oil circuit, front-wheel drive oil circuit, rear wheel drive oil circuit and transplanting oil circuit by oil control switching valve, forward and backward wheel-drive motor enters and slowly runs.
So the present invention has the features such as simple in construction, weight is the lightest, layout convenience, failure rate is low, maintenance cost are low.
Claims (5)
1. the electro-hydraulic hybrid drive system of a rice transplanter, it is characterized in that it is by front-wheel drive oil circuit, rear wheel drive oil circuit, rice transplanting motor and controller, described front-wheel drive oil circuit and two front-wheel drive motors, it is provided with front-wheel synchronous valve between two front-wheel drive motors, described rear wheel drive oil circuit and two rear wheel drive motor are connected, it is provided with rear synchronous valve between two rear wheel drive motor, described front-wheel drive motor and/or rear wheel drive motor are provided with Speed sensing device, the signal circuit of this Speed sensing device is connected with described controller, the control circuit of described rice transplanting motor is connected with described controller, described front-wheel drive oil circuit includes forerunner's pump and a reversal valve, the oil-in of this reversal valve is connected with forerunner's pump, in two actuator ports one and described two front-wheel drive motors, another is by described front-wheel synchronous valve and described two front-wheel drive motors；Described rear wheel drive oil circuit includes a rear-guard pump and a reversal valve, the oil-in of this reversal valve is connected with rear-guard pump, in two actuator ports one is connected with described two rear wheel drive motor, and another is connected with described two rear wheel drive motor by described rear synchronous valve.
2. the electro-hydraulic hybrid drive system of rice transplanter according to claim 1, it is characterised in that it includes transplanting portion and promotes oil circuit, and transplanting portion promotes oil circuit and is provided with an elevator pump, this transplanting portion promotes oil circuit and is connected with lift cylinder.
3. the electro-hydraulic hybrid drive system of rice transplanter according to claim 2, it is characterised in that it includes turning to oil circuit, turns to oil circuit to include a steering pump, and this turns to oil circuit to be connected with steering cylinder.
4. the electro-hydraulic hybrid drive system of rice transplanter according to claim 3, it is characterized in that described each front-wheel drive motor and rear wheel drive motor are equipped with the adjustment switch of a high low or first gear, this adjustment switch is connected with a hydraulic cylinder, this hydraulic cylinder and a hydraulically powered high/low pressure cut-over valve are connected, this high/low pressure cut-over valve drives port and an oil control switching valve to be connected, two oil inlet ends one of this oil control switching valve are connected with the oil inlet end promoting oil circuit, another with turn to oil circuit, front-wheel drive oil circuit, the oil outlet end of rear wheel drive oil circuit and transplanting oil circuit is connected.
5. the electro-hydraulic hybrid drive system of the rice transplanter according to claim 3 or 4, it is characterised in that described forerunner's pump, rear-guard pump, elevator pump and steering pump are combined into one four even pump, and wherein forerunner's pump and rear-guard pump are provided with a linkage regulating valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310002942.9A CN103010014B (en) | 2013-01-03 | 2013-01-03 | The electro-hydraulic hybrid drive system of rice transplanter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310002942.9A CN103010014B (en) | 2013-01-03 | 2013-01-03 | The electro-hydraulic hybrid drive system of rice transplanter |
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| CN103010014A CN103010014A (en) | 2013-04-03 |
| CN103010014B true CN103010014B (en) | 2016-06-29 |
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| CN201310002942.9A Expired - Fee Related CN103010014B (en) | 2013-01-03 | 2013-01-03 | The electro-hydraulic hybrid drive system of rice transplanter |
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Families Citing this family (3)
| 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 |
| CN106900234B (en) * | 2017-04-07 | 2023-04-07 | 农业农村部南京农业机械化研究所 | Driving system of rice transplanter |
| WO2020164244A1 (en) * | 2019-02-12 | 2020-08-20 | 丰疆智能科技股份有限公司 | Hybrid power-based unmanned rice transplanting system, and assembly method and rice transplanting method therefor |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| 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 |
| CN102656984A (en) * | 2012-05-18 | 2012-09-12 | 莱恩农业装备有限公司 | Independently powered transplanting mechanism and control method thereof |
| CN203078313U (en) * | 2013-01-03 | 2013-07-24 | 莱恩农业装备有限公司 | Electro-hydraulic combination driving system of rice transplanter |
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Effective date of registration: 20210511 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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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160629 Termination date: 20220103 |