CN203020074U - All-hydraulic driving system of lifting type rice transplanter - Google Patents
All-hydraulic driving system of lifting type rice transplanter Download PDFInfo
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- CN203020074U CN203020074U CN 201220700464 CN201220700464U CN203020074U CN 203020074 U CN203020074 U CN 203020074U CN 201220700464 CN201220700464 CN 201220700464 CN 201220700464 U CN201220700464 U CN 201220700464U CN 203020074 U CN203020074 U CN 203020074U
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- oil circuit
- oil
- pump
- transplanting
- valve
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Abstract
The utility model relates to an all-hydraulic driving system of a lifting type rice transplanter. The all-hydraulic driving system comprises an oil tank, an oil pump, a plurality of solenoid valves and a plurality of motors. The all-hydraulic driving system is characterized by further comprising a front wheel driving oil line, a rear wheel driving oil line, a transplanting oil line and a jacking oil line. The front wheel drive oil line is connected with two front wheel driving motors, and a synchronous valve is arranged between the two front wheel driving motors. The rear wheel driving oil line is connected with two rear wheel driving motors, and a synchronous valve is arranged between the two rear wheel driving motors. The transplanting oil line is connected with a transplanting motor and comprises a steering oil line. The jacking oil line is connected with one or a plurality of jacking oil cylinders. The all-hydraulic driving system has the advantages of being simple in structure, light in weight, convenient to arrange, and low in failure rate and maintenance cost, and foundation is laid for multifunctional development of the rice transplanter.
Description
Technical field
The utility model relates to a kind of rice transplanter, especially relates to a kind of drive system of rice transplanter.
Background technology
Rice transplanter be to use one of the widest equipment in agricultural production, it greatly reduces grain-production, particularly the labour intensity of Rice Production.Existing rice transplanter use mechanical drive without exception, this type of drive is with the accuracy of its transmission, and proven technique is well received.But its complicated transmission device has restricted rice transplanter to be developed to multifunction, has also promoted its maintenance cost.
Summary of the invention
The utility model is mainly the complicated mechanism that solves the existing rice transplanter of prior art, the layout trouble, having restricted it develops to multifunction, has simultaneously fault rate high, maintenance cost high-technology problem, provide a kind of simple in structure, the lightest heavy, layout convenience, failure rate is low, maintenance cost low, and develop the full hydraulic drive system of the lifting mode rice transplanter that lays the foundation for rice transplanter to multifunction.
above-mentioned technical matters of the present utility model is mainly solved by following technical proposals: a kind of full hydraulic drive system of lifting mode rice transplanter, comprise fuel tank, oil pump, some electromagnetic valves and some motors, it is characterized in that it comprises the f-w-d oil circuit, the back-wheel drive oil circuit, transplanting oil circuit and jacking oil circuit, described f-w-d oil circuit is connected with two f-w-d motors, be provided with a synchronous valve between two f-w-d motors, described back-wheel drive oil circuit is connected with two back-wheel drive motors, also be provided with synchronous valve between two back-wheel drive motors, described transplanting oil circuit is connected with a transplanting motor, it comprises and turns to oil circuit, described jacking oil circuit is connected with one or several jacking cylinders.The utility model forms the 4 wheel driven structure by two f-w-d motors and two back-wheel drive motors individual drive wheel separately, this type of drive very flexibly and power powerful, be conducive to it and adapt to various operating conditions.Between two f-w-d motors and the synchronous valve that is provided with between two back-wheel drive motors guaranteed in advancing or falling back process, the synchronism between the left and right sides wheel.Simultaneously, due at rice transplanter in steering procedure, different to the antagonistic force of oil piping system between left and right wheels, just in time by the equilibrium activity of synchronous valve, the nearside wheel rotating speed when making it realize turning is slower than off-side wheel, reaches smooth, the effect of turning flexibly.
As preferably, described f-w-d oil circuit comprises forerunner's pump and a H type three position four-way directional control valve, the oil inlet 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, and actuator port is connected with two f-w-d motors respectively; Described back-wheel drive oil circuit comprises a rear-guard pump and a H type three position four-way directional control valve, the oil inlet of this three position four-way directional control valve is connected with the rear-guard pump, return opening is connected with the oil inlet end of described transplanting oil circuit, and actuator port is connected with two back-wheel drive motors 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 the 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 the H type, at this moment, oil-feed and the oil return circuit of front and rear wheel are directly connected, and the front and rear wheel CD-ROM drive motor quits work, at this moment, this hydraulic circuit can drive implanting mechanism work.The oil return that the utility model utilizes front and back wheel to drive oil circuit drives implanting mechanism, has simplified on the one hand the working oil path of implanting mechanism, and on the other hand, this mode has realized the interlock of implanting mechanism and wheel walking, and has guaranteed the proportionate relationship between them.When walking, can also cut wheel drive or back-wheel drive by the three position four-way directional control valve of adjusting on f-w-d oil circuit or back-wheel drive oil circuit on different road surfaces.
As preferably, this system comprises that transplanting section promotes oil circuit, and transplanting section promotes oil circuit and is provided with a lift pump, and this transplanting section promotes oil circuit and is connected with elevating ram.Transplanting section need to be according to operation situation adjustment height, and transplanting section need to be improved fully when shifting between the operation plot, and native system is by an oil pump, and namely lift pump drives elevating ram and completes.
As preferably, this system comprises and turns to oil circuit, turns to oil circuit to be connected with steering motor, and described jacking oil circuit is provided with a M type three position four-way directional control valve, and the oil outlet of this three position four-way directional control valve is connected with the oil inlet end that turns to oil circuit.The steering hardware of rice transplanter can be completed by mechanical mechanism, also can complete by the oil circuit that turns to of the technical program.The jacking oil circuit turns to by the oil return driving of jacking oil circuit, and when M type three-position four-way valve was in meta, two actuator ports of jacking cylinder all sealed, and the oil inlet of jacking oil circuit and return opening are connected, and the jacking pump directly drives steering motor work.Because the lifting of vehicle frame is few function of using, the technical program makes jacking cylinder be in for a long time closed state, and turn to oil circuit general with rise pump and directly drive.
As preferably, be parallel with respectively by pass valve, flow regulating valve between the oil inlet end of described transplanting motor and oil revolving end, and two position two-way valve.By pass valve has protective effect to the transplanting motor; flow regulating valve can be shunted the oil mass of transplanting motor; it can be controlled transplanting speed; after the aperture of a flow regulating valve of setting; relation due to transplanting oil circuit and front and rear wheel driving oil circuit; regardless of the speed of advance of rice transplanter, the spacing of its rice transplanting is fixed.That is to say, the control of spacing is completed by the aperture of regulating flow regulating valve.Operation is very easy to make it.When two position two-way valve is in closed valve position, the transplanting motor operations, when two position two-way valve is in the connection valve position, hydraulic circuit emptying, the transplanting motor is not worked.
As preferably, described each f-w-d motor and back-wheel drive motor are equipped with the by-pass cock of a high low gear, this by-pass cock is connected with a hydraulic actuating cylinder, this hydraulic actuating cylinder is connected with a hydraulically powered high/low pressure cut-over valve, this high/low pressure cut-over valve drives port and is connected with an oil control transfer valve, one of two oil inlet end of this oil control transfer valve are connected with the oil inlet end that promotes oil circuit, and another is connected with the oil outlet end that turns to oil circuit, f-w-d oil circuit, back-wheel drive oil circuit and transplanting oil circuit.High speed gear is not operation of rice transplanter, and the gear of walking on the road surface, low gear are the gear of rice transplanter when operation.When high/low pressure cut-over valve drives port and controls transfer valve and be connected with the oil inlet end of lifting oil circuit by oil, can drive the high/low pressure cut-over valve action, and then drive the action of above-mentioned hydraulic actuating cylinder, make it drive high low gear by-pass cock action, make the front and rear wheel CD-ROM drive motor enter high speed rotating, otherwise, when high/low pressure cut-over valve driving port was connected with the oil outlet end that turns to oil circuit, f-w-d oil circuit, back-wheel drive oil circuit and transplanting oil circuit by oil control transfer valve, the front and rear wheel CD-ROM drive motor entered and slowly runs.
As preferably, described forerunner's pump, rear-guard pump, lift 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 the driving engine coaxial drive, its layout is very compact.And front and back wheel need to synchronously be rotated in operation or walking process, therefore, regulates its speed in same gear by a linkage regulating valve.
The beneficial effect that brings of the present utility model is, solved the complicated mechanism of the existing rice transplanter of prior art, the layout trouble, having restricted it develops to multifunction, has simultaneously fault rate high, maintenance cost high-technology problem has realized that a kind of simple in structure, the lightest heavy, layout convenience, failure rate is low, maintenance cost are low, and has developed the full hydraulic drive system of the lifting mode rice transplanter that lays the foundation for rice transplanter to multifunction.
Description of drawings
Accompanying drawing 1 is a kind of structural representation of the present utility model;
Accompanying drawing 2 is a kind of fundamental diagrams of the present utility model.
The specific embodiment
Below by embodiment, and by reference to the accompanying drawings, the technical solution of the utility model is described in further detail.
Embodiment:
as Fig. 1, shown in 2, the utility model is a kind of full hydraulic drive system of lifting mode rice transplanter, comprise fuel tank 15, oil pump, some electromagnetic valves and some motors, it comprises the f-w-d oil circuit, the back-wheel drive oil circuit, the transplanting oil circuit, transplanting section promotes oil circuit, jacking oil circuit and turn to oil circuit, described f-w-d oil circuit is connected with two f-w-d motors 1, be provided with a synchronous valve 3 between two f-w-d motors 1, described back-wheel drive oil circuit is connected with two back-wheel drive motors 2, also be provided with synchronous valve 3 between two back-wheel drive motors 2, described transplanting oil circuit is connected with a transplanting motor 8.Be parallel with respectively by pass valve 7, flow regulating valve 6 between the oil inlet end of transplanting motor and oil revolving end, and two position two-way valve 5.The f-w-d oil circuit comprises forerunner's pump 10 and a H type three position four-way directional control valve 4, the oil inlet 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 f-w-d motors 1 respectively; Described back-wheel drive oil circuit comprises a rear-guard pump 11 and a H type three position four-way directional control valve 4, the oil inlet 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 back-wheel drive motors 2 respectively; Transplanting section promotes oil circuit and is provided with a lift pump 12, and this transplanting section promotes oil circuit and is connected with elevating ram 14; Described jacking oil circuit is connected with four jacking cylinders 21, turn to oil circuit to be connected with steering motor, described jacking oil circuit is provided with a M type three position four-way directional control valve 22, the oil outlet of this three position four-way directional control valve 22 is connected with the oil inlet end that turns to oil circuit, and this turns to oil circuit to be connected with a steering motor 9.Each f-w-d motor 1 and back-wheel drive motor 2 are equipped with the by-pass cock 17 of a high low gear, this by-pass cock 17 is connected with a hydraulic actuating cylinder 18, this hydraulic actuating 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 and is connected with an oil control transfer valve 16, one of two oil inlet end of this oil control transfer valve 16 are connected with the oil inlet end that promotes oil circuit, and another is connected with the oil outlet end that turns to oil circuit, f-w-d oil circuit, back-wheel drive oil circuit and transplanting oil circuit.Forerunner's pump 10, rear-guard pump 11, lift 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 utility model in use, by two f-w-d motors and two back-wheel drive motors individual drive wheel separately, form the 4 wheel driven structure, between two f-w-d motors and the synchronous valve that is provided with between two back-wheel drive motors guaranteed in advancing or falling back process, the synchronism between the left and right sides wheel.simultaneously, due at rice transplanter in steering procedure, antagonistic force to oil piping system between left and right wheels is different, the just in time equilibrium activity by synchronous valve, nearside wheel rotating speed when making it realize turning is slower than off-side wheel, reach smooth, the effect of turning flexibly, front and back wheel drives the oil return of oil circuit all by the transplanting oil circuit, before utilization, the oil return of back-wheel drive oil circuit, the work of driving implanting mechanism, 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, the back-wheel drive motor quits work, at this moment, this hydraulic circuit can drive implanting mechanism work.The oil return that the utility model utilizes front and back wheel to drive oil circuit drives implanting mechanism, has simplified on the one hand the working oil path of implanting mechanism, and on the other hand, this mode has realized the interlock of implanting mechanism and wheel walking, and has guaranteed the proportionate relationship between them.When walking, can also cut wheel drive or back-wheel drive by the three position four-way directional control valve of adjusting on f-w-d oil circuit or back-wheel drive oil circuit on different road surfaces.High speed gear is not operation of rice transplanter, and the gear of walking on the road surface, low gear are the gear of rice transplanter when operation.When high/low pressure cut-over valve drives port and controls transfer valve and be connected with the oil inlet end of lifting oil circuit by oil, can drive the high/low pressure cut-over valve action, and then drive the action of above-mentioned hydraulic actuating cylinder, make it drive high low gear by-pass cock action, make the front and rear wheel CD-ROM drive motor enter high speed rotating, otherwise, when high/low pressure cut-over valve driving port was connected with the oil outlet end that turns to oil circuit, f-w-d oil circuit, back-wheel drive oil circuit and transplanting oil circuit by oil control transfer valve, the front and rear wheel CD-ROM drive motor entered and slowly runs.Jacking oil circuit of the present utility model is the driver train of mechanism's lifting, it is conducive to realize the multifunction of rice transplanter, as using as the field cleaning device, when it uses as the field cleaning device, improve the height of vehicle frame by lifting body, so that vehicle frame does not damage the crop that has grown to certain altitude, then the implanting mechanism with rice transplanter changes field care appliances (as fertilizer applicator) into.
So the utlity model has the characteristics such as the lightest simple in structure, heavy, layout convenience, failure rate is low, maintenance cost are low.
Claims (7)
1. the full hydraulic drive system of a lifting mode rice transplanter, comprise fuel tank, oil pump, some electromagnetic valves and some motors, it is characterized in that it comprises the f-w-d oil circuit, the back-wheel drive oil circuit, transplanting oil circuit and jacking oil circuit, described f-w-d oil circuit is connected with two f-w-d motors, be provided with a synchronous valve between two f-w-d motors, described back-wheel drive oil circuit is connected with two back-wheel drive motors, also be provided with synchronous valve between two back-wheel drive motors, described transplanting oil circuit is connected with a transplanting motor, it comprises and turns to oil circuit, described jacking oil circuit is connected with one or several jacking cylinders.
2. the full hydraulic drive system of lifting mode rice transplanter according to claim 1, it is characterized in that described f-w-d oil circuit comprises forerunner's pump and a H type three position four-way directional control valve, the oil inlet 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, and actuator port is connected with two f-w-d motors respectively; Described back-wheel drive oil circuit comprises a rear-guard pump and a H type three position four-way directional control valve, the oil inlet of this three position four-way directional control valve is connected with the rear-guard pump, return opening is connected with the oil inlet end of described transplanting oil circuit, and actuator port is connected with two back-wheel drive motors respectively.
3. the full hydraulic drive system of lifting mode rice transplanter according to claim 1 is characterized in that it comprises that transplanting section promotes oil circuit, and transplanting section promotes oil circuit and is provided with a lift pump, and this transplanting section promotes oil circuit and is connected with elevating ram.
4. the full hydraulic drive system of lifting mode rice transplanter according to claim 3, it is characterized in that it comprises turns to oil circuit, turn to oil circuit to be connected with steering motor, described jacking oil circuit is provided with a M type three position four-way directional control valve, and the oil outlet of this three position four-way directional control valve is connected with the oil inlet end that turns to oil circuit.
5. the full hydraulic drive system of according to claim 2 or 3 or 4 described lifting mode rice transplanters is characterized in that being parallel with respectively by pass valve, flow regulating valve between the oil inlet end of described transplanting motor and oil revolving end, and two position two-way valve.
6. the full hydraulic drive system of lifting mode rice transplanter according to claim 4, it is characterized in that described each f-w-d motor and back-wheel drive motor are equipped with the by-pass cock of a high low gear, this by-pass cock is connected with a hydraulic actuating cylinder, this hydraulic actuating cylinder is connected with a hydraulically powered high/low pressure cut-over valve, this high/low pressure cut-over valve drives port and is connected with an oil control transfer valve, one of two oil inlet end of this oil control transfer valve are connected with the oil inlet end that promotes oil circuit, another with turn to oil circuit, the f-w-d oil circuit, the oil outlet end of back-wheel drive oil circuit and transplanting oil circuit is connected.
7. the full hydraulic drive system of according to claim 4 or 6 described lifting mode rice transplanters, is characterized in that described forerunner's pump, rear-guard pump, lift 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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220700464 CN203020074U (en) | 2012-12-17 | 2012-12-17 | All-hydraulic driving system of lifting type rice transplanter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220700464 CN203020074U (en) | 2012-12-17 | 2012-12-17 | All-hydraulic driving system of lifting type rice transplanter |
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| Publication Number | Publication Date |
|---|---|
| CN203020074U true CN203020074U (en) | 2013-06-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220700464 Withdrawn - After Issue CN203020074U (en) | 2012-12-17 | 2012-12-17 | All-hydraulic driving system of lifting type rice transplanter |
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| CN (1) | CN203020074U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103010013A (en) * | 2012-12-17 | 2013-04-03 | 莱恩农业装备有限公司 | Full hydraulic driving system of elevation type rice transplanting machine |
| WO2014094371A1 (en) * | 2012-12-17 | 2014-06-26 | 莱恩农业装备有限公司 | Hydraulic system of fully hydraulic rice transplanter |
-
2012
- 2012-12-17 CN CN 201220700464 patent/CN203020074U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103010013A (en) * | 2012-12-17 | 2013-04-03 | 莱恩农业装备有限公司 | Full hydraulic driving system of elevation type rice transplanting machine |
| WO2014094371A1 (en) * | 2012-12-17 | 2014-06-26 | 莱恩农业装备有限公司 | Hydraulic system of fully hydraulic 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 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130626 Effective date of abandoning: 20160629 |
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| C25 | Abandonment of patent right or utility model to avoid double patenting |