CN203181540U - Rice transplanting machine hydraulic system with automatic differential locking function - Google Patents
Rice transplanting machine hydraulic system with automatic differential locking function Download PDFInfo
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- CN203181540U CN203181540U CN 201320107910 CN201320107910U CN203181540U CN 203181540 U CN203181540 U CN 203181540U CN 201320107910 CN201320107910 CN 201320107910 CN 201320107910 U CN201320107910 U CN 201320107910U CN 203181540 U CN203181540 U CN 203181540U
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Abstract
The utility model relates to a rice transplanting machine hydraulic system with an automatic differential locking function. The rice transplanting machine hydraulic system comprises an oil tank, an oil pump, a plurality of solenoid valves and a plurality of motors, and comprises a front wheel driving oil path, a rear wheel driving oil path and a transplanting oil path, wherein the front wheel driving oil path is connected with two front wheel driving motors; a synchronous valve is arranged between the two front wheel driving motors; the rear wheel driving oil path is connected with two rear wheel driving motors; a synchronous valve is arranged between the two rear wheel driving motors; two output ends of each synchronous valve are respectively connected through an on-off valve; the transplanting oil path is connected with a transplanting motor; a control circuit of each on-off valve is connected with an angle sensor arranged on a steering device. The rice transplanting machine hydraulic system disclosed by the utility model is simple in structure, light in weight, convenient in layout, low in fault rate and low in maintenance cost; the rice transplanting machine hydraulic system is a hydraulic system of a full-hydraulic rice transplanting machine, which lays foundation for multifunctional development of the rice transplanting machine.
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 the 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 is with the accuracy of its transmission, and mature technique 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 utility model mainly is the transmission mechanism complexity that solves the existing in prior technology rice transplanter, the layout trouble, having restricted it develops to multifunction, has the fault rate height simultaneously, maintenance cost high-technology problem, provide a kind of simple in structure, heavy the lightest, layout convenient, fault rate is low, maintenance cost is low, and the rice transplanter hydraulic system that has automatic differential lock function that lays the foundation to the multifunction development for rice transplanter.
Above-mentioned technical problem of the present utility model is mainly solved by following technical proposals: a kind of rice transplanter hydraulic system that has automatic differential lock function, 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 links to each other with two front-wheel drive motors, be provided with a synchronous valve between two front-wheel drive motors, link to each other by an on-off valve between two outputs of this synchronous valve, described rear wheel drive oil circuit links to each other with two rear wheel drive motors, also be provided with synchronous valve between two rear wheel drive motors, also link to each other by an on-off valve between two outputs of this synchronous valve, described transplanting oil circuit links to each other with a transplanting motor, and the control signal input of the control circuit of described each on-off valve links to each other with an angle inductor of being located at steering gear.The utility model 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 about the suffered frictional force of relative two wheels not simultaneously, about the rotating speed of two relative CD-ROM drive motors will different (rotating speed of the wheel that frictional force is big 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 that the rotating speed of wheel of the left and right sides is identical by the synchronous valve uniform distribution, keep straight ahead.In the transplanting working process of mechanism, rice transplanter generally requires straight ahead, if but the wheel of a side of rice transplanter is high up in the air, the perhaps frictional force difference of both sides wheel, then can cause the rotating speed difference of two wheels of left and right sides correspondence, 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, uniform distribution corresponding about the oil mass of two CD-ROM drive motors 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 behind the 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 links to each other with forerunner's pump, and oil return opening links to each other with the oil inlet end of described transplanting oil circuit, and actuator port links to each other 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 links to each other with the rear-guard pump, oil return opening links to each other with the oil inlet end of described transplanting oil circuit, and actuator port links to each other with two rear wheel drive motors respectively.No matter above-mentioned three position four-way directional control valve is in the forward oil circuit still is 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 the work of transplanting mechanism, 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 the work of transplanting mechanism.The oil return that the utility model utilizes front and back wheel to drive oil circuit drives transplanting mechanism, has simplified the working oil path of transplanting mechanism on the one hand, and on the other hand, this mode has realized the interlock of transplanting mechanism and wheel walking, and has guaranteed the proportionate relationship between them.When walk in different road surfaces, 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 the rear wheel drive oil circuit.
As preferably, this system comprises that transplanting portion promotes oil circuit, and transplanting portion promotes oil circuit and is provided with an elevator pump, and this transplanting portion promotes oil circuit and links to each other with lift cylinder.Transplanting portion need be according to operation situation adjustment height, and transplanting portion need 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 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 motor.The steering mechanism of rice transplanter can finish by mechanical mechanism, also can finish 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 effective simplification mechanism, made things convenient for the layout of steering.
As preferably, be parallel with overflow valve, choke valve between the oil inlet end of described transplanting motor and the oil revolving end respectively, 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; because transplanting oil circuit and front and rear wheel drive the relation of oil circuit; regardless of the pace of rice transplanter, the spacing of its rice transplanting is fixed.That is to say that the control of spacing is finished 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 when connecting 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 bottom gear, this by-pass cock links to each other with a hydraulic cylinder, this hydraulic cylinder links to each other with a hydraulically powered high-low pressure transfer valve, this high-low pressure transfer 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, 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, bottom gear are the gear of rice transplanter when operation.When high-low pressure transfer valve driving port links to each other with the oil inlet end that promotes oil circuit by oil control transfer valve, can drive the action of high-low pressure transfer valve, and then drive the action of above-mentioned hydraulic cylinder, make it drive high bottom gear by-pass cock action, make the front and rear wheel CD-ROM drive motor enter high-speed rotation, otherwise, when high-low pressure transfer valve driving port linked to each other 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 an interlock by-pass cock.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 be rotated in operation or walking process synchronously, therefore, regulates its speed in same gear by an interlock by-pass cock.
The beneficial effect that brings of the present utility model is, solved the transmission mechanism complexity of existing in prior technology rice transplanter, the layout trouble, having restricted it develops to multifunction, has the fault rate height simultaneously, maintenance cost high-technology problem, realized a kind of simple in structure, heavy the lightest, layout convenient, fault rate is low, maintenance cost is low, and the hydraulic system of the all-hydraulic rice transplanter that lays the foundation to the multifunction development for rice transplanter.
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.
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 shown in Figure 1, 2, the utility model is the rice transplanter hydraulic system that has automatic differential lock function, comprise fuel tank 15, oil pump, some magnetic valves and some motors, it comprises that front-wheel drive oil circuit, rear wheel drive oil circuit, transplanting oil circuit, transplanting portion promote oil circuit and turn to oil circuit, described front-wheel drive oil circuit links to each other with two front-wheel drive motors 1, be provided with a synchronous valve 3 between two front-wheel drive motors 1, link to each other by an on-off valve between two outputs of this synchronous valve; Described rear wheel drive oil circuit links to each other with two rear wheel drive motors 2, also be provided with synchronous valve 3 between two rear wheel drive motors 2, also link to each other 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 links to each other with an angle inductor of being located at steering gear.The transplanting oil circuit links to each other with a transplanting motor 8, is parallel with overflow valve 7, choke valve 6 between the oil inlet end of transplanting motor and the oil revolving end respectively, 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 links to each other with forerunner's pump 1, oil return opening links to each other with the oil inlet end of described transplanting oil circuit, and actuator port links to each other 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 links to each other with rear-guard pump 11, oil return opening links to each other with the oil inlet end of described transplanting oil circuit, and actuator port links to each other with two rear wheel drive motors 2 respectively; Transplanting portion promotes oil circuit and is provided with an elevator pump 12, and this transplanting portion promotes oil circuit and links to each other with lift cylinder 14; Turn to oil circuit to comprise a steering pump 13, this turns to oil circuit to link to each other with a steering motor 9.Each front-wheel drive motor 1 and rear wheel drive motor 2 are equipped with the by-pass cock 17 of a high bottom gear, this by-pass cock 17 links to each other with a hydraulic cylinder 18, this hydraulic cylinder 18 links to each other with a hydraulically powered high-low pressure transfer valve 19, this high-low pressure transfer valve 19 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 16 links to each other, and another links to each other 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 an interlock by-pass cock 20.
The utility model 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 about the suffered frictional force of relative two wheels not simultaneously, about the rotating speed of two relative CD-ROM drive motors will different (rotating speed of the wheel that frictional force is big 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 that the rotating speed of wheel of the left and right sides is identical by the synchronous valve uniform distribution, keep straight ahead.When changeing 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 bigger, outer side-friction force is less, and the outboard wheel rotating speed is big, 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, drive the work of transplanting 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 the work of transplanting mechanism.The oil return that the utility model utilizes front and back wheel to drive oil circuit drives transplanting mechanism, has simplified the working oil path of transplanting mechanism on the one hand, and on the other hand, this mode has realized the interlock of transplanting mechanism and wheel walking, and has guaranteed the proportionate relationship between them.When walk in different road surfaces, 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 the rear wheel drive oil circuit.Top gear is not operation of rice transplanter, and the gear of walking on the road surface, bottom gear are the gear of rice transplanter when operation.When high-low pressure transfer valve driving port links to each other with the oil inlet end that promotes oil circuit by oil control transfer valve, can drive the action of high-low pressure transfer valve, and then drive the action of above-mentioned hydraulic cylinder, make it drive high bottom gear by-pass cock action, make the front and rear wheel CD-ROM drive motor enter high-speed rotation, otherwise, when high-low pressure transfer valve driving port linked to each other 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.
So the utlity model has characteristics such as simple in structure, heavily the lightest, that layout is convenient, fault rate is low, maintenance cost is low.
Claims (7)
1. rice transplanter hydraulic system that has automatic differential lock function, 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 links to each other with two front-wheel drive motors, be provided with a synchronous valve between two front-wheel drive motors, link to each other by an on-off valve between two outputs of this synchronous valve, described rear wheel drive oil circuit links to each other with two rear wheel drive motors, also be provided with synchronous valve between two rear wheel drive motors, also link to each other by an on-off valve between two outputs of this synchronous valve, described transplanting oil circuit links to each other with a transplanting motor, and the control signal input of the control circuit of described each on-off valve links to each other with an angle inductor of being located at steering gear.
2. the rice transplanter hydraulic system that has automatic differential lock function 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 links to each other with forerunner's pump, oil return opening links to each other with the oil inlet end of described transplanting oil circuit, and actuator port links to each other 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 links to each other with the rear-guard pump, oil return opening links to each other with the oil inlet end of described transplanting oil circuit, and actuator port links to each other with two rear wheel drive motors respectively.
3. the rice transplanter hydraulic system that has automatic differential lock function according to claim 1 is characterized in that it comprises that transplanting portion promotes oil circuit, and transplanting portion promotes oil circuit and is provided with an elevator pump, and this transplanting portion promotes oil circuit and links to each other with lift cylinder.
4. the rice transplanter hydraulic system that has automatic differential lock function 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 a steering motor.
5. according to claim 2 or the 3 or 4 described rice transplanter hydraulic systems that have automatic differential lock function, it is characterized in that being parallel with overflow valve, choke valve respectively between the oil inlet end of described transplanting motor and the oil revolving end, and two position two-way valve.
6. the rice transplanter hydraulic system that has automatic differential lock function 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 bottom gear, this by-pass cock links to each other with a hydraulic cylinder, this hydraulic cylinder links to each other with a hydraulically powered high-low pressure transfer valve, this high-low pressure transfer 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 front-wheel drive oil circuit, the oil outlet end of rear wheel drive oil circuit and transplanting oil circuit links to each other.
7. according to claim 4 or the 6 described rice transplanter hydraulic systems that have automatic differential lock function, 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 an interlock by-pass cock.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320107910 CN203181540U (en) | 2013-03-09 | 2013-03-09 | Rice transplanting machine hydraulic system with automatic differential locking function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320107910 CN203181540U (en) | 2013-03-09 | 2013-03-09 | Rice transplanting machine hydraulic system with automatic differential locking function |
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| Publication Number | Publication Date |
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| CN203181540U true CN203181540U (en) | 2013-09-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320107910 Expired - Lifetime CN203181540U (en) | 2013-03-09 | 2013-03-09 | Rice transplanting machine hydraulic system with automatic differential locking function |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103120058A (en) * | 2013-03-09 | 2013-05-29 | 莱恩农业装备有限公司 | Hydraulic system of rice transplanter with automatic differential locking function |
| 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 |
-
2013
- 2013-03-09 CN CN 201320107910 patent/CN203181540U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103120058A (en) * | 2013-03-09 | 2013-05-29 | 莱恩农业装备有限公司 | Hydraulic system of rice transplanter with automatic differential locking function |
| 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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