CN103010014A - Electrohydraulic hybrid driving system for seedling planting machine - Google Patents
Electrohydraulic hybrid driving system for seedling planting machine Download PDFInfo
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- CN103010014A CN103010014A CN2013100029429A CN201310002942A CN103010014A CN 103010014 A CN103010014 A CN 103010014A CN 2013100029429 A CN2013100029429 A CN 2013100029429A CN 201310002942 A CN201310002942 A CN 201310002942A CN 103010014 A CN103010014 A CN 103010014A
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Abstract
The invention relates to an electrohydraulic hybrid driving system for a seedling planting machine. The electrohydraulic hybrid driving system comprises a front-wheel driving oil line, a rear-wheel driving oil line, a seedling planting motor and a controller, wherein the front-wheel driving oil line is connected with two front-wheel driving motors between which a front-wheel synchronous valve is arranged; the rear-wheel driving oil line is connected with two rear-wheel driving motors between which a rear synchronous valve is arranged; the front-wheel driving motors and/or the rear-wheel driving motors are provided with rotational-speed sensors; signal circuits of the rotational-speed sensors are connected with the controller; and a control circuit of the seedling planting motor is also connected with the controller. The electrohydraulic hybrid driving system has the characteristics of simple structure, light weight, convenient layout, low failure rate, low maintenance cost and the like.
Description
Technical field
The present invention relates to a kind of rice transplanter, especially relate to a kind of drive system of rice transplanter.
Background technology
Rice transplanter be to use one of the widest equipment in the 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 present invention mainly is 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 the lightest, layout convenience simple in structure, heavy, failure rate is low, maintenance cost low, and develop the electric liquid hybrid drive system of the rice transplanter that lays the foundation for rice transplanter to multifunction.
Above-mentioned technical matters of the present invention is mainly solved by following technical proposals: a kind of electric liquid hybrid drive system of rice transplanter, it is characterized in that it is by the f-w-d oil circuit, the back-wheel drive oil circuit, rice transplanting motor and controller, described f-w-d oil circuit links to each other with two f-w-d motors, be provided with the front-wheel synchronous valve between two f-w-d motors, described back-wheel drive oil circuit links to each other with two back-wheel drive motors, be provided with rear synchronous valve between two back-wheel drive motors, described f-w-d motor and/or back-wheel drive motor are provided with the Speed sensing device, the signal circuit of this Speed sensing device links to each other with described controller, and the control circuit of described rice transplanting motor links to each other with described controller.The present invention 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 the two f-w-d motors and the synchronous valve that is provided with between the two back-wheel drive motors guaranteed in advancing or falling back process the synchronism between the left and right sides wheel.Simultaneously since at rice transplanter in steering procedure, different to the antagonistic force of oil piping system between the left and right wheels, the just in time equilibrium activity by synchronous valve so that its nearside wheel rotating speed when realizing turning is slower than off-side wheel, reaches smooth, the effect of turning flexibly.After setting the spacing in the rows of rice transplanting by controller, guarantee that spacing in the rows does not change with the variation of the speed of travel, variation according to the walking speed of a motor vehicle changes with regard to the rotating speed that needs the rice transplanting motor, and be to keep a specific proportionate relationship between the rotating speed of the speed of travel and rice transplanting motor, this specific proportionate relationship changes with the variation that spacing in the rows requires.Owing to considering the phenomenon that wheel can occur skidding can be respectively equipped with the Speed sensing device at the front and rear wheel motor, and judging by controller, the tach signal that rotating speed is slower is as the foundation of control rice transplanting motor speed.
As preferably, described f-w-d oil circuit comprises forerunner's pump and a change-over valve, the oil inlet of this change-over valve links to each other with forerunner's pump, in two actuator ports one links to each other with described two f-w-d motors, and another links to each other with described two f-w-d motors by described preamble valve; Described back-wheel drive oil circuit comprises a rear-guard pump and a change-over valve, the oil inlet of this change-over valve links to each other with the rear-guard pump, in two actuator ports one links to each other with described two back-wheel drive motors, and another links to each other with described two back-wheel drive motors by described rear synchronous valve.Oil inlet is the P mouth, and return opening is the T mouth, and actuator port is respectively A mouth, B mouth.
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 links to each other 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 finishes.
As preferably, this system comprises and turns to oil circuit, turns to oil circuit to comprise a steering pump, and this turns to oil circuit to link to each other with a steering cylinder.The steering hardware of rice transplanter can be finished by mechanical mechanism, also can finish by the oil circuit that turns to of the technical program, and it drives steering cylinder by an oil pump (being steering pump) and rotates.This mode actv. has been simplified mechanism, has made things convenient for the layout of steering swivel system.
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 links to each other with a hydraulic actuating cylinder, this hydraulic actuating cylinder links to each other with a hydraulically powered high/low pressure cut-over valve, this high/low pressure cut-over valve drives port and links to each other with an oil control transfer valve, oil inlet end with the lifting oil circuit of two oil inlet ends of this oil control transfer valve links to each other, and another links to each other 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 driving port links to each other with the oil inlet end that promotes oil circuit by oil control transfer valve, 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, so that the front and rear wheel CD-ROM drive motor enters high speed rotating, otherwise, when high/low pressure cut-over valve driving port linked to each other 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 be rotated in operation or walking process synchronously, therefore, regulates its speed in same gear by a linkage regulating valve.
The beneficial effect that brings of the present invention 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 the lightest, layout convenience simple in structure, heavy, failure rate is low, maintenance cost are low, and develops the electric liquid hybrid drive system of the rice transplanter that lays the foundation to multifunction for rice transplanter.
Description of drawings
Accompanying drawing 1 is a kind of fundamental diagram of hydraulic part of the present invention;
Accompanying drawing 2 is a kind of fundamental diagrams that electricity of the present invention drives part.
The specific embodiment
Below by embodiment, and by reference to the accompanying drawings, technical scheme of the present invention is described in further detail.
Embodiment:
As shown in Figure 1 and Figure 2, a kind of electric liquid hybrid drive system of rice transplanter, it is promoted oil circuit, is turned to oil circuit, rice transplanting motor and controller by f-w-d oil circuit, back-wheel drive oil circuit, transplanting section, described f-w-d oil circuit links to each other with two f-w-d motors 1, be provided with front-wheel synchronous valve 31 between two f-w-d motors 1, described back-wheel drive oil circuit links to each other with two back-wheel drive motors 2, is provided with rear synchronous valve 32 between two back-wheel drive motors 2.The f-w-d oil circuit comprises forerunner's pump 10 and a change-over valve 4, the oil inlet of this change-over valve 4 links to each other with forerunner's pump 10, in two actuator ports one links to each other with described two f-w-d motors 1, and another links to each other with described two f-w-d motors 1 by described preamble valve 31; Described back-wheel drive oil circuit comprises a rear-guard pump 11 and a change-over valve 4, the oil inlet of this change-over valve 4 links to each other with rear-guard pump 11, in two actuator ports one links to each other with described two back-wheel drive motors 2, and another links to each other with described two back-wheel drive motors by described rear synchronous valve 32.Transplanting section promotes oil circuit and is provided with a lift pump 12, and this transplanting section promotes oil circuit and links to each other with elevating ram 14; Turn to oil circuit to comprise a steering pump 13, this turns to oil circuit to link to each other with a steering cylinder 9.Described f-w-d motor and back-wheel drive motor are provided with Speed sensing device 21, also can establish the Speed sensing device at f-w-d motor or back-wheel drive motor.The signal circuit of this Speed sensing device links to each other with described controller 22, and the control circuit of described rice transplanting motor 23 links to each other with described controller 22.Each f-w-d motor and back-wheel drive motor are equipped with the by-pass cock 17 of a high low gear, this by-pass cock 17 links to each other with a hydraulic actuating cylinder 18, this hydraulic actuating cylinder links to each other with a hydraulically powered high/low pressure cut-over valve 19, this high/low pressure cut-over valve drives port and links to each other with an oil control transfer valve 16, oil inlet end with the lifting oil circuit of two oil inlet ends of this oil control transfer valve links to each other, and another links to each other 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, 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 20.
The present invention in use, the present invention 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 the two f-w-d motors and the synchronous valve that is provided with between the two back-wheel drive motors guaranteed in advancing or falling back process the synchronism between the left and right sides wheel.Simultaneously since at rice transplanter in steering procedure, different to the antagonistic force of oil piping system between the left and right wheels, the just in time equilibrium activity by synchronous valve so that its nearside wheel rotating speed when realizing turning is slower than off-side wheel, reaches smooth, the effect of turning flexibly.After setting the spacing in the rows of rice transplanting by controller, guarantee that spacing in the rows does not change with the variation of the speed of travel, variation according to the walking speed of a motor vehicle changes with regard to the rotating speed that needs the rice transplanting motor, and be to keep a specific proportionate relationship between the rotating speed of the speed of travel and rice transplanting motor, this specific proportionate relationship changes with the variation that spacing in the rows requires.Owing to considering the phenomenon that wheel can occur skidding can be respectively equipped with the Speed sensing device at the front and rear wheel motor, and judging by controller, the tach signal that rotating speed is slower is as the foundation of control rice transplanting motor speed.When walk in different road surfaces, can also cut wheel drive or back-wheel drive by the change-over valve of adjusting on f-w-d oil circuit or the back-wheel drive 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 driving port links to each other with the oil inlet end that promotes oil circuit by oil control transfer valve, 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, so that the front and rear wheel CD-ROM drive motor enters high speed rotating, otherwise, when high/low pressure cut-over valve driving port linked to each other 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.
Characteristics such as that so the present invention has is simple in structure, the lightest heavy, layout convenience, failure rate is low, maintenance cost are low.
Claims (6)
1. the electric liquid hybrid drive system of a rice transplanter, it is characterized in that it is by the f-w-d oil circuit, the back-wheel drive oil circuit, rice transplanting motor and controller, described f-w-d oil circuit links to each other with two f-w-d motors, be provided with the front-wheel synchronous valve between two f-w-d motors, described back-wheel drive oil circuit links to each other with two back-wheel drive motors, be provided with rear synchronous valve between two back-wheel drive motors, described f-w-d motor and/or back-wheel drive motor are provided with the Speed sensing device, the signal circuit of this Speed sensing device links to each other with described controller, and the control circuit of described rice transplanting motor links to each other with described controller.
2. the electric liquid hybrid drive system of rice transplanter according to claim 1, it is characterized in that described f-w-d oil circuit comprises forerunner's pump and a change-over valve, the oil inlet of this change-over valve links to each other with forerunner's pump, in two actuator ports one links to each other with described two f-w-d motors, and another links to each other with described two f-w-d motors by described preamble valve; Described back-wheel drive oil circuit comprises a rear-guard pump and a change-over valve, the oil inlet of this change-over valve links to each other with the rear-guard pump, in two actuator ports one links to each other with described two back-wheel drive motors, and another links to each other with described two back-wheel drive motors by described rear synchronous valve.
3. the electric liquid hybrid drive system of 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 links to each other with elevating ram.
4. the electric liquid hybrid drive system of rice transplanter according to claim 3 is characterized in that it comprises to turn to oil circuit that turn to oil circuit to comprise a steering pump, this turns to oil circuit to link to each other with steering cylinder.
5. the electric liquid hybrid drive system of 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 links to each other with a hydraulic actuating cylinder, this hydraulic actuating cylinder links to each other with a hydraulically powered high/low pressure cut-over valve, this high/low pressure cut-over valve drives port and links to each other with an oil control transfer valve, one of two oil inlet end of this oil control transfer valve link to each other with the oil inlet end that promotes oil circuit, another and turn to oil circuit, the f-w-d oil circuit, the oil outlet end of back-wheel drive oil circuit and transplanting oil circuit links to each other.
6. according to claim 4 or the electric liquid hybrid drive system of 5 described rice transplanters, it is characterized in that described forerunner's pump, rear-guard pump, lift pump and steering pump are combined into one four and connect pump, 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 |
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| 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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| Publication Number | Publication Date |
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| CN103010014A true CN103010014A (en) | 2013-04-03 |
| CN103010014B CN103010014B (en) | 2016-06-29 |
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| Application Number | Title | Priority Date | Filing Date |
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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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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103190231A (en) * | 2013-04-10 | 2013-07-10 | 莱恩农业装备有限公司 | All-four-wheel guiding transplanter |
| CN106900234A (en) * | 2017-04-07 | 2017-06-30 | 农业部南京农业机械化研究所 | A kind of drive 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 |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| 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 |
| CN202535719U (en) * | 2011-12-26 | 2012-11-21 | 覃志明 | Hydraulic driving system of full-hydraulic four-wheel-driven seedling planting machine |
| 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 |
-
2013
- 2013-01-03 CN CN201310002942.9A patent/CN103010014B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103190231A (en) * | 2013-04-10 | 2013-07-10 | 莱恩农业装备有限公司 | All-four-wheel guiding transplanter |
| 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 |
| CN106900234A (en) * | 2017-04-07 | 2017-06-30 | 农业部南京农业机械化研究所 | A kind of drive 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 |
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| Publication number | Publication date |
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| CN103010014B (en) | 2016-06-29 |
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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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Granted publication date: 20160629 Termination date: 20220103 |
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