CN103109630A - Hydraulic pressure system of rice transplanter with stepless adjustment of planting distance - Google Patents

Hydraulic pressure system of rice transplanter with stepless adjustment of planting distance Download PDF

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Publication number
CN103109630A
CN103109630A CN2013100773857A CN201310077385A CN103109630A CN 103109630 A CN103109630 A CN 103109630A CN 2013100773857 A CN2013100773857 A CN 2013100773857A CN 201310077385 A CN201310077385 A CN 201310077385A CN 103109630 A CN103109630 A CN 103109630A
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China
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wheel drive
connected
oil circuit
oil
valve
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CN2013100773857A
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Chinese (zh)
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CN103109630B (en
Inventor
杨仲雄
高福强
史波杰
李明强
邵树有
李彦良
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莱恩农业装备有限公司
高福强
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Priority to CN201310077385.7A priority Critical patent/CN103109630B/en
Publication of CN103109630A publication Critical patent/CN103109630A/en
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Publication of CN103109630B publication Critical patent/CN103109630B/en

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Abstract

The invention relates to a hydraulic pressure system of a rice transplanter with an automatic differential locking function. The hydraulic pressure system comprises an oil tank, an oil pump, a plurality of electromagnetic valves and a plurality of motors, and further comprises a front wheel drive oil way, a rear wheel drive oil way and a transplanting oil way, wherein the front wheel drive oil way is connected with two front wheel drive motors; a synchronous valve is arranged between the two front wheel drive motors; the rear wheel drive oil way is connected with two rear wheel drive motors; another synchronous valve is also arranged between the two rear wheel drive motors; two output ends of each synchronous valve are both connected with an on-off valve; the transplanting oil way is connected with a transplanting motor; and a control circuit of each on-off valve is connected with an angle sensor arranged at a steering gear. The hydraulic pressure system is simple in structure, light in weight, convenient to array, low in failure rate and low in maintenance cost, and is a hydraulic pressure system of a full hydraulic rice transplanter laying the foundation for multi-functional development from the rice transplanter.

Description

The hydraulic system of the rice transplanter of the electrodeless adjustment of spacing in the rows

 

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 agricultural production, it greatly reduces grain-production, particularly the labour intensity of Rice Production.Existing rice transplanter use machine driving without exception, this kind of drive are with the accuracy of its transmission, and ripe technology is well received.But its complicated transmission mechanism has restricted rice transplanter to be developed to multifunction, has also promoted its maintenance cost.

 

Summary of the invention

The present invention 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 hydraulic system of the rice transplanter of the electrodeless adjustment of spacing in the rows that lays the foundation for rice transplanter to multifunction.

above-mentioned technical problem of the present invention is mainly solved by following technical proposals: the hydraulic system of the rice transplanter of the electrodeless adjustment of a kind of spacing in the rows, comprise fuel tank, oil pump, some magnetic valves and some motors, it is characterized in that it comprises the front-wheel drive oil circuit, rear wheel drive oil circuit and transplanting oil circuit, described front-wheel drive oil circuit is connected with two front-wheel drive motors, described rear wheel drive oil circuit is connected with two rear wheel drive motors, described transplanting oil circuit is connected with a transplanting motor, the oil inlet and oil return end of described transplanting oil circuit is connected with the oil revolving end of described front-wheel drive oil circuit and/or rear wheel drive oil circuit, described transplanting motor is the manual adjustable motor.The present invention forms the 4 wheel driven structure by two front-wheel drive motors and two rear wheel drive motors drive wheel separately, this type of drive very flexibly and power powerful, be conducive to it and adapt to various operating conditions.In normally travelling, described on-off valve is connected, and two outputs of synchronous valve are connected, and synchronous valve is inoperative.But, when the suffered frictional force of two relative wheels of left and right not simultaneously, the rotating speed of two the relative CD-ROM drive motors in left and right will different (rotating speed of the wheel that frictional force is large be slow) this just make rice transplanting with improper turning occurring, just need to disconnect above-mentioned on-off valve this moment, so that synchronous valve works, by amount, make the rotating speed of wheel of the left and right sides identical by the synchronous valve uniform distribution, keep straight ahead.In the course of work of implanting mechanism, rice transplanter General Requirements straight ahead, if but the wheel of a side of rice transplanter is high up in the air, perhaps the frictional force of both sides wheel is different, can cause the rotating speed of two wheels corresponding to the left and right sides different, rice transplanter can deflect, steering gear deflects with respect to car body, when if the angle of this deflection reaches setting value, the control circuit of on-off valve disconnects on-off valve according to the signal of angle inductor, make synchronous valve work, the oil mass of two CD-ROM drive motors in left and right that uniform distribution is corresponding is so that its rotating speed is identical.And then by steering, normal direction is returned in the direction of advance adjustment of rice transplanter, and advancing after a setpoint distance, on-off valve recloses, and rice transplanter recovers normally to advance.The existence of manual adjustable motor, the spacing in the rows that has solved rice transplanter is adjusted problem, and is electrodeless adjustment.In the situation that the speed of travel of rice transplanter is constant, rice transplanting speed is directly proportional to the rotating speed of rice transplanting motor.

As preferably, be provided with a synchronous valve between described two front-wheel drive motors, be connected by an on-off valve between two outputs of this synchronous valve, also be provided with synchronous valve between two rear wheel drive motors, also be connected by an on-off valve between two outputs of this synchronous valve, the control signal input of the control circuit of described each on-off valve is connected with an angle inductor of being located at steering gear.When the suffered frictional force of two relative wheels of left and right not simultaneously, the rotating speed of two the relative CD-ROM drive motors in left and right will different (rotating speed of the wheel that frictional force is large be slow) this just make rice transplanting with improper turning occurring, just need to disconnect above-mentioned on-off valve this moment, so that synchronous valve works, by the synchronous valve uniform distribution by amount, make the rotating speed of wheel of the left and right sides identical, keep straight ahead.In the course of work of implanting mechanism, rice transplanter General Requirements straight ahead, if but the wheel of a side of rice transplanter is high up in the air, perhaps the frictional force of both sides wheel is different, can cause the rotating speed of two wheels corresponding to the left and right sides different, rice transplanter can deflect, steering gear deflects with respect to car body, when if the angle of this deflection reaches setting value, the control circuit of on-off valve disconnects on-off valve according to the signal of angle inductor, make synchronous valve work, the oil mass of two CD-ROM drive motors in left and right that uniform distribution is corresponding is so that its rotating speed is identical.And then by steering, normal direction is returned in the direction of advance adjustment of rice transplanter, and advancing after a setpoint distance, on-off valve recloses, and rice transplanter recovers normally to advance.

As preferably, described front-wheel drive oil circuit comprises forerunner's pump and a H type three position four-way directional control valve, the oil-in of this three position four-way directional control valve is connected with forerunner's pump, and oil 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 respectively; Described rear wheel drive oil circuit comprises a rear-guard pump and a H type three position four-way directional control valve, the oil-in of this three position four-way directional control valve is connected with the rear-guard pump, oil return opening is connected with the oil inlet end of described transplanting oil circuit, and actuator port is connected with two rear 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 present invention 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 rear wheel drive by the three position four-way directional control valve of adjusting on front-wheel drive oil circuit or rear 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 an elevator pump, and this transplanting section promotes oil circuit and is connected with lift cylinder.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 elevator pump drives lift cylinder and completes.

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 be connected with a steering motor.The steering mechanism of rice transplanter can complete by mechanical mechanism, also can complete by the oil circuit that turns to of the technical program, and it drives steering motor by an oil pump (being steering pump) and rotates.This mode has effectively been simplified mechanism, has facilitated the layout of steering.

As preferably, be parallel with respectively overflow valve, choke valve between the oil inlet end of described transplanting motor and oil revolving end, and two position two-way valve.Overflow valve has protective effect to the transplanting motor; choke valve can be shunted the oil mass of transplanting motor; it can be controlled transplanting speed; after the aperture of a choke valve of setting; relation due to transplanting oil circuit and front and rear wheel driving oil circuit; regardless of the pace 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 choke 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 front-wheel drive motor and rear wheel drive motor are equipped with the by-pass cock of a high low or first gear, this by-pass cock is connected with a hydraulic cylinder, this hydraulic 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, front-wheel drive oil circuit, rear wheel drive oil circuit and transplanting oil circuit.Top gear is not operation of rice transplanter, and the gear of walking on the road surface, low or first 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 cylinder, make it drive high low or first gear by-pass cock action, make the front and rear wheel CD-ROM drive motor enter high-speed rotation, otherwise, when high/low pressure cut-over valve driving port was connected with the oil outlet end that turns to oil circuit, front-wheel drive oil circuit, rear 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, 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.Rear pump or output pump in use starts simultaneously, and by the engine Driven by Coaxial, 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 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 simple in structure, the lightest heavy, layout convenience, failure rate is low, maintenance cost are low, and has developed the hydraulic system of the rice transplanter of the electrodeless adjustment of spacing in the rows that lays the foundation for rice transplanter to multifunction.

 

Description of drawings

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, technical scheme of the present invention is described in further detail.

Embodiment:

As shown in Figure 1, 2, the present invention is the hydraulic system of the rice transplanter of the electrodeless adjustment of spacing in the rows, comprise fuel tank 15, oil pump, some magnetic valves, it comprises front-wheel drive oil circuit, rear wheel drive oil circuit, transplanting oil circuit, transplanting section's lifting oil circuit and turns to oil circuit, described front-wheel drive oil circuit is connected with two front-wheel drive motors 1, be provided with a synchronous valve 3 between two front-wheel drive motors 1, be connected by an on-off valve between two outputs of this synchronous valve; Described rear wheel drive oil circuit is connected with two rear wheel drive motors 2, also be provided with synchronous valve 3 between two rear wheel drive motors 2, also be connected by an on-off valve 21 between two outputs of this synchronous valve, the control signal input of the control circuit of each on-off valve 21 is connected with an angle inductor of being located at steering gear.The transplanting oil circuit is connected with a transplanting motor 8, and described transplanting motor is the manual adjustable motor.Be parallel with respectively overflow valve 7, choke valve 6 between the oil inlet end of transplanting motor and oil revolving end, and two position two-way valve 5.The front-wheel drive oil circuit comprises forerunner's pump 10 and a H type three position four-way directional control valve 4, the oil-in of this three position four-way directional control valve 4 is connected with forerunner's pump 1, oil 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 oil-in of this three position four-way directional control valve 4 is connected with rear-guard pump 11, oil return opening is connected with the oil inlet end of described transplanting oil circuit, and actuator port is connected with two rear wheel drive motors 2 respectively; Transplanting section promotes oil circuit and is provided with an elevator pump 12, and this transplanting section 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 low or first gear, this by-pass cock 17 is connected with a hydraulic cylinder 18, this 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 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, 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 motors drive wheel separately, forms the 4 wheel driven structure, and in normally travelling, described on-off valve is connected, and two outputs of synchronous valve are connected, and synchronous valve is inoperative.But, when the suffered frictional force of two relative wheels of left and right not simultaneously, the rotating speed of two the relative CD-ROM drive motors in left and right will different (rotating speed of the wheel that frictional force is large be slow) this just make rice transplanting with improper turning occurring, just need to disconnect above-mentioned on-off valve this moment, so that synchronous valve works, by amount, make the rotating speed of wheel of the left and right sides identical by the synchronous valve uniform distribution, keep straight ahead.When turning the turning of rice transplanter car body, on-off valve must be connected, and at this moment, because the frictional force of nearside wheel is larger, outer side-friction force is less, and the outboard wheel rotating speed is large, and the nearside wheel rotating speed is little, is conducive to reduce radius of turn.Front and back wheel drives the oil return of oil circuit all by the transplanting oil circuit, utilize front and rear wheel to drive the oil return of oil circuit, the work of driving implanting mechanism, when this three position four-way directional control valve is in meta, oil-feed and the oil return circuit of front and rear wheel are directly connected, the front and rear wheel CD-ROM drive motor quits work, and at this moment, this hydraulic circuit can drive implanting mechanism work.The oil return that the present invention 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 rear wheel drive by the three position four-way directional control valve of adjusting on front-wheel drive oil circuit or rear wheel drive oil circuit on different road surfaces.Top gear is not operation of rice transplanter, and the gear of walking on the road surface, low or first 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 cylinder, make it drive high low or first gear by-pass cock action, make the front and rear wheel CD-ROM drive motor enter high-speed rotation, otherwise, when high/low pressure cut-over valve driving port was connected with the oil outlet end that turns to oil circuit, front-wheel drive oil circuit, rear 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 (8)

1. the hydraulic system of the rice transplanter of the electrodeless adjustment of spacing in the rows, comprise fuel tank, oil pump, some magnetic valves and some motors, it is characterized in that it comprises the front-wheel drive oil circuit, rear wheel drive oil circuit and transplanting oil circuit, described front-wheel drive oil circuit is connected with two front-wheel drive motors, described rear wheel drive oil circuit is connected with two rear wheel drive motors, described transplanting oil circuit is connected with a transplanting motor, the oil inlet and oil return end of described transplanting oil circuit is connected with the oil revolving end of described front-wheel drive oil circuit and/or rear wheel drive oil circuit, described transplanting motor is the manual adjustable motor.
2. the hydraulic system of the rice transplanter of the electrodeless adjustment of spacing in the rows according to claim 1, be provided with a synchronous valve between described two front-wheel drive motors, be connected by an on-off valve between two outputs of this synchronous valve, also be provided with synchronous valve between two rear wheel drive motors, also be connected by an on-off valve between two outputs of this synchronous valve, the control signal input of the control circuit of described each on-off valve is connected with an angle inductor of being located at steering gear.
3. the hydraulic system of the rice transplanter of the electrodeless adjustment of spacing in the rows according to claim 1, it is characterized in that described front-wheel drive oil circuit comprises forerunner's pump and a H type three position four-way directional control valve, the oil-in of this three position four-way directional control valve is connected with forerunner's pump, oil 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 respectively; Described rear wheel drive oil circuit comprises a rear-guard pump and a H type three position four-way directional control valve, the oil-in of this three position four-way directional control valve is connected with the rear-guard pump, oil return opening is connected with the oil inlet end of described transplanting oil circuit, and actuator port is connected with two rear wheel drive motors respectively.
4. the hydraulic system of the rice transplanter of the electrodeless adjustment of spacing in the rows 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 an elevator pump, and this transplanting section promotes oil circuit and is connected with lift cylinder.
5. the hydraulic system of the rice transplanter of the electrodeless adjustment of spacing in the rows according to claim 4 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 be connected with a steering motor.
6. the hydraulic system of the rice transplanter of according to claim 2 or 3 or the 4 or 5 electrodeless adjustment of described spacing in the rows is characterized in that being parallel with respectively overflow valve, choke valve between the oil inlet end of described transplanting motor and oil revolving end, and two position two-way valve.
7. the hydraulic system of the rice transplanter of the electrodeless adjustment of spacing in the rows according to claim 4, it is characterized in that described each front-wheel drive motor and rear wheel drive motor are equipped with the by-pass cock of a high low or first gear, this by-pass cock is connected with a hydraulic cylinder, this hydraulic 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 front-wheel drive oil circuit, the oil outlet end of rear wheel drive oil circuit and transplanting oil circuit is connected.
8. the hydraulic system of the rice transplanter of the according to claim 4 or 6 electrodeless adjustment of described spacing in the rows, it is characterized in that described forerunner's pump, rear-guard pump, elevator 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.
CN201310077385.7A 2013-03-11 2013-03-11 The hydraulic system of the rice transplanter of the electrodeless adjustment of spacing in the rows CN103109630B (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103355038A (en) * 2013-05-24 2013-10-23 意宁液压股份有限公司 Hydraulic driving device with shock absorber
CN103486219A (en) * 2013-09-18 2014-01-01 莱恩农业装备有限公司 Transmission system of partitioned hydraulic total-driving rice transplanter and control method for transmission system
WO2014139208A1 (en) * 2013-03-09 2014-09-18 莱恩农业装备有限公司 Hydraulic system of full-hydraulic transplanting machine with differential locking function

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CN102582425A (en) * 2011-12-20 2012-07-18 徐州重型机械有限公司 Walking hydraulic control system and self-walking type engineering machinery utilizing same
CN203189396U (en) * 2013-02-27 2013-09-11 徐州徐工施维英机械有限公司 Concrete pump truck pumping main oil cylinder locking mechanism
CN203279493U (en) * 2013-03-11 2013-11-13 莱恩农业装备有限公司 Hydraulic system for row spacing infinitely adjusting rice transplanter

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Publication number Priority date Publication date Assignee Title
KR20020063689A (en) * 2001-01-30 2002-08-05 국제종합기계 주식회사 level control device of transfer machine for riding
US20100037604A1 (en) * 2006-07-21 2010-02-18 William Hugh Salvin Rampen Fluid power distribution and control system
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Publication number Priority date Publication date Assignee Title
WO2014139208A1 (en) * 2013-03-09 2014-09-18 莱恩农业装备有限公司 Hydraulic system of full-hydraulic transplanting machine with differential locking function
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CN103486219A (en) * 2013-09-18 2014-01-01 莱恩农业装备有限公司 Transmission system of partitioned hydraulic total-driving rice transplanter and control method for transmission system
CN103486219B (en) * 2013-09-18 2018-04-20 莱恩农业装备有限公司 A kind of subregion hydraulic pressure always drives the transmission system and its control method of rice transplanter

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