CN204677523U - Sugarcane harvesting machine hydraulic system and sugar-cane cutting machine - Google Patents

Sugarcane harvesting machine hydraulic system and sugar-cane cutting machine Download PDF

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Publication number
CN204677523U
CN204677523U CN201520179717.7U CN201520179717U CN204677523U CN 204677523 U CN204677523 U CN 204677523U CN 201520179717 U CN201520179717 U CN 201520179717U CN 204677523 U CN204677523 U CN 204677523U
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China
Prior art keywords
control valve
directional control
multiple directional
hydraulic system
working pump
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CN201520179717.7U
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Chinese (zh)
Inventor
王喜恩
张立功
陈春雷
安冬冬
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Zoomlion Heavy Machinery Co Ltd
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Zoomlion Heavy Machinery Co Ltd
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Priority to CN201520179717.7U priority Critical patent/CN204677523U/en
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Abstract

The utility model relates to farm machinery, and particularly a kind of sugarcane harvesting machine hydraulic system and sugar-cane cutting machine, more efficiently can provide operation power.Described sugarcane harvesting machine hydraulic system comprises fuel tank, multiple work motor, two the first working pumps being connected to fuel tank and two the second working pumps and first, second, third multiple directional control valve, wherein: one in the first working pump connects at least one work motor by the 3rd multiple directional control valve, and another in the first working pump connects the first oil cylinder and the second oil cylinder by the second multiple directional control valve; Each second working pump connects at least one work motor by the first multiple directional control valve; Wherein, the first working pump and the second working pump are duplex pumps, and each in first, second, third described multiple directional control valve is provided with pressure-compensated valve.

Description

Sugarcane harvesting machine hydraulic system and sugar-cane cutting machine
Technical field
The utility model relates to farm machinery, particularly a kind of sugarcane harvesting machine hydraulic system and sugar-cane cutting machine.
Background technique
At present, in harvesting sugarcane operation, in order to improve operating efficiency, more and more employing combined type sugar-cane cutting machine.Because sugarcane integration of operation link is more, therefore, sugar-cane cutting machine many employings oil hydraulic motor transmits kinetic energy.Traditional approach adopts quantitative control system, and each equipment link is made up of independent pump, valve, motor substantially, and pipeline is long, system pressure is high, fuel tank volume is large, oil temperature is easily high.For metering pump, when engine speed one timing, flow is also certain.Therefore once part is selected shaping, the maximum power dissipation of this device just immobilizes, and all working device power consumption sum just defines the power consumption of motor.
But; the situation that partial duty device required power is larger is often there will be during sugarcane harvesting machine operation; if adopt traditional quantitative system; then equipment power consumption does not likely reach actual job requirement and causes that equipment is stuck, blocking phenomenon; the latter must improve engine power simply and form the phenomenon of low load with strong power, cannot give full play to the working efficiency of motor.
Model utility content
Embodiment of the present utility model provides a kind of sugarcane harvesting machine hydraulic system and sugar-cane cutting machine, more efficiently can provide operation power.
According to an aspect of the present utility model, provide a kind of sugarcane harvesting machine hydraulic system, comprise fuel tank, multiple work motor, two the first working pumps being connected to fuel tank and two the second working pumps and first, second, third multiple directional control valve, wherein:
One in first working pump connects at least one work motor by the 3rd multiple directional control valve, and another in the first working pump connects the first oil cylinder and the second oil cylinder by the second multiple directional control valve;
Each second working pump connects at least one work motor by the first multiple directional control valve;
Wherein, the first working pump and the second working pump are duplex pumps, and each in first, second, third described multiple directional control valve is provided with pressure-compensated valve.
Preferably, in each embodiment of the present utility model, the quantity of described motor is 16.
Preferably, in each embodiment of the present utility model, the total quantity of described first multiple directional control valve, the second multiple directional control valve, the 3rd multiple directional control valve is 7.
Preferably, in each embodiment of the present utility model, the quantity of described first multiple directional control valve is multiple, and each second working pump connects multiple work motor respectively by described multiple first multiple directional control valve.
Preferably, in each embodiment of the present utility model, each in described first working pump and the second working pump comprises pressure transducer.
According to another aspect of the present utility model, provide a kind of sugar-cane cutting machine, comprise foregoing sugarcane harvesting machine hydraulic system.
The sugarcane harvesting machine hydraulic system provided by embodiment of the present utility model and sugar-cane cutting machine, more efficiently can provide operation power.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technological scheme of the prior art, discuss to the accompanying drawing used required in embodiment or description of the prior art below, obviously, only embodiments more of the present utility model in the technological scheme be described by reference to the accompanying drawings, for those of ordinary skills, under the prerequisite not paying creative work, other embodiment and accompanying drawing thereof can also be obtained according to these accompanying drawing illustrated embodiments.
Fig. 1 is the structural representation of the sugarcane harvesting machine hydraulic system according to embodiment of the present utility model.
Embodiment
Carry out clear complete description below with reference to the technological scheme of accompanying drawing to each embodiment of the utility model, obviously, described embodiment is only a part of embodiment of the present utility model, instead of whole embodiment.Based on the embodiment described in the utility model, other embodiments all that those of ordinary skill in the art obtain under the prerequisite not needing creative work, in the scope that the utility model is protected.
Embodiment of the present utility model provides a kind of sugarcane harvesting machine hydraulic system and sugar-cane cutting machine, more efficiently can provide operation power.
According to an aspect of the present utility model, provide a kind of sugarcane harvesting machine hydraulic system, comprise fuel tank, multiple work motor, two the first working pumps being connected to fuel tank and two the second working pumps and first, second, third multiple directional control valve, wherein:
One in first working pump connects at least one work motor by the 3rd multiple directional control valve, and another in the first working pump connects the first oil cylinder and the second oil cylinder by the second multiple directional control valve;
Each second working pump connects at least one work motor by the first multiple directional control valve;
Wherein, the first working pump and the second working pump are duplex pumps, and each in first, second, third described multiple directional control valve is provided with pressure-compensated valve.
Like this, provide a kind of load-sensitive hydraulic system being applicable to sugar-cane cutting machine, in the course of the work, working pump gathers the maximum load pressure signal of multiple directional control valve and respective pump discharge pressure signal respectively and regulates pump delivery accordingly, working pump is enable to provide flow to realize the Optimized Matching of power according to work real needs, overcome the problem that existing sugar-cane cutting machine power utilization is low, the power of motor can be given full play to.In addition, on the basis of guaranteeing the requirement of sugar-cane cutting machine travelling performance, can engine power be reduced, thus reduce oil consumption.As can be seen here, by sugarcane harvesting machine hydraulic system of the present utility model, can more efficiently for sugar-cane cutting machine provides operation power.
It should be noted that pressure-compensated valve is with by each multiple directional control valve in described sugarcane harvesting machine hydraulic system, to guarantee that before and after valve, pressure reduction is certain.In addition, working pump is by gathering the maximum load pressure signal of each multiple directional control valve and the respective adjustable pump delivery of pump discharge pressure signal respectively to realize the Optimized Matching of power.
Preferably, in each embodiment of the present utility model, the quantity of described motor is 16.
Preferably, in each embodiment of the present utility model, the total quantity of described first multiple directional control valve, the second multiple directional control valve, the 3rd multiple directional control valve is 7.
Preferably, in each embodiment of the present utility model, the quantity of described first multiple directional control valve is multiple, and each second working pump connects multiple work motor respectively by described multiple first multiple directional control valve.
Preferably, in each embodiment of the present utility model, each in described first working pump and the second working pump comprises pressure transducer.Like this, can as required better the pressure signal of the corresponding valve of test and monitoring or pump realize to regulate pump displacement accordingly efficient power use.
Fig. 1 is the structural representation of the sugarcane harvesting machine hydraulic system according to embodiment of the present utility model.
Visible in the embodiment in figure 1, sugarcane harvesting machine hydraulic system comprises fuel tank 1, multiple work motor (work motor such as shown in Fig. 1 61,62,6b), two first working pumps 2a, 2b (or claiming working pump I) of being connected to fuel tank 1 and two second working pump 3a, 3b (or claiming working pump II) and first, second, third multiple directional control valve (or title multiple directional control valve I, II, III) (the first multiple directional control valve 5a, 5b such as shown in Fig. 1, the second multiple directional control valve the 81,82, the 3rd multiple directional control valve 10), wherein:
Another (shown in Fig. 1 first working pump 2b) that one (shown in Fig. 1 the first working pump 2a) in first working pump is connected in work motor 61, first working pump by the 3rd multiple directional control valve 10 connects the first oil cylinder (or claiming oil cylinder I) (such as the second multiple directional control valve 71,72 shown in Fig. 1) and the second oil cylinder (or claiming oil cylinder II) (such as the second multiple directional control valve 91,92 shown in Fig. 1) by the second multiple directional control valve (such as the second multiple directional control valve 81,82 shown in Fig. 1);
Each second working pump 3a, 3b connects at least one work motor (the work motor 62 such as shown in Fig. 1,6b) by corresponding first multiple directional control valve 5a, 5b;
Wherein, first working pump 2a, 2b and second working pump 3a, 3b is duplex pump, and each in first, second, third described multiple directional control valve is provided with pressure-compensated valve (such as 4a, the 4b of pressure-compensated valve shown in Fig. 1).
According to another aspect of the present utility model, provide a kind of sugar-cane cutting machine, comprise foregoing sugarcane harvesting machine hydraulic system.
The sugarcane harvesting machine hydraulic system provided by embodiment of the present utility model and sugar-cane cutting machine, more efficiently can provide operation power.
The various embodiments that the utility model provides can combine as required in any way mutually, the technological scheme obtained by this combination, also in scope of the present utility model.
Obviously, when not departing from spirit and scope of the present utility model, those skilled in the art can carry out various change and modification to the utility model.If to change of the present utility model these and modification is within the scope of claim of the present utility model and equivalent thereof, then the utility model also will comprise these and change and modification.

Claims (6)

1. a sugarcane harvesting machine hydraulic system, is characterized in that, comprising: fuel tank, multiple work motor, two the first working pumps being connected to fuel tank and two the second working pumps and first, second, third multiple directional control valve, wherein:
One in first working pump connects at least one work motor by the 3rd multiple directional control valve, and another in the first working pump connects the first oil cylinder and the second oil cylinder by the second multiple directional control valve;
Each second working pump connects at least one work motor by the first multiple directional control valve;
Wherein, the first working pump and the second working pump are duplex pumps, and each in first, second, third described multiple directional control valve is provided with pressure-compensated valve.
2. sugarcane harvesting machine hydraulic system as claimed in claim 1, is characterized in that,
The quantity of described motor is 16.
3. sugarcane harvesting machine hydraulic system as claimed in claim 1, is characterized in that,
The total quantity of described first multiple directional control valve, the second multiple directional control valve, the 3rd multiple directional control valve is 7.
4. sugarcane harvesting machine hydraulic system as claimed in claim 1, is characterized in that,
The quantity of described first multiple directional control valve is multiple, and each second working pump connects multiple work motor respectively by described multiple first multiple directional control valve.
5. sugarcane harvesting machine hydraulic system as claimed in claim 1, is characterized in that,
Each in described first working pump and the second working pump comprises pressure transducer.
6. a sugar-cane cutting machine, is characterized in that, comprises the sugarcane harvesting machine hydraulic system according to any one of claim 1 to 5.
CN201520179717.7U 2015-03-27 2015-03-27 Sugarcane harvesting machine hydraulic system and sugar-cane cutting machine Active CN204677523U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201520179717.7U CN204677523U (en) 2015-03-27 2015-03-27 Sugarcane harvesting machine hydraulic system and sugar-cane cutting machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201520179717.7U CN204677523U (en) 2015-03-27 2015-03-27 Sugarcane harvesting machine hydraulic system and sugar-cane cutting machine

Publications (1)

Publication Number Publication Date
CN204677523U true CN204677523U (en) 2015-09-30

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107024944A (en) * 2017-03-24 2017-08-08 中联重机股份有限公司 Movement attributes and its block clearing control method, controller and control system
CN108679020A (en) * 2018-03-23 2018-10-19 洛阳辰汉农业装备科技有限公司 Hydraulic system and sugar-cane cutting machine

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107024944A (en) * 2017-03-24 2017-08-08 中联重机股份有限公司 Movement attributes and its block clearing control method, controller and control system
CN108679020A (en) * 2018-03-23 2018-10-19 洛阳辰汉农业装备科技有限公司 Hydraulic system and sugar-cane cutting machine

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