CN103233935B - Integrated valve group of hydraulic system - Google Patents
Integrated valve group of hydraulic system Download PDFInfo
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- CN103233935B CN103233935B CN201310154639.0A CN201310154639A CN103233935B CN 103233935 B CN103233935 B CN 103233935B CN 201310154639 A CN201310154639 A CN 201310154639A CN 103233935 B CN103233935 B CN 103233935B
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- valve block
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Abstract
The invention discloses an integrated valve group of a hydraulic system. A first check valve, a second check valve, a third check valve, a first oil collection diverting valve, a second oil collection diverting valve and an electromagnetic valve of the integrated valve group are located in an integrated valve block body, an external electromagnetic valve electrical signal control interface is located on the upper surface of the integrated valve block body, a first oil return port, a second oil return port and an oil outlet are located on the right side of the integrated valve block body, a first oil inlet, a second oil inlet, a front surface first oil outlet and a front surface second oil outlet are located on the front surface of the integrated valve block body, a rear surface first oil outlet and a rear surface second oil outlet are located on the rear surface of the integrated valve block body, and the lower surface of the integrated valve block body serves as a fixed connection surface of the integrated valve group. The electrical signal control interface performs intelligent control on a two-position two-way electromagnetic valve, and the integrated valve group is simple in pipe arrangement, easy to assemble and convenient to maintain, reduces leakage points, improves reliability of a whole machine, and is applied to hydraulic systems of large heavy-load engineering machines.
Description
Technical field
The present invention relates to a kind of valve block of large-scale, heavily loaded construction machinery hydraulic system.
Background technique
At present, the valve block that the wheeled automobile hydraulic system of large-scale, heavily loaded engineering machinery adopts is more, and the line arrangement be connected with valve block is in disorder, crowded to capacity, and assembling is complicated, and the joint at small space place is connected with sebific duct and is difficult to fastening, and later period maintenance is inconvenient.The pipeline place of contacting with each other increases phase mutual friction between sebific duct because high-voltage oil liquid flows through, easy to wear, and pipe joint too increases the probability of oil liquid leakage too much simultaneously.Biliographic data: China Patent No. 201220390034.2.
Summary of the invention
Join complexity in order to the valve overcoming known existing construction machinery hydraulic system is packaged, defect that inconvenient maintenance, fluid easily leak, the invention provides a kind of integrated valve group of hydraulic system, the integrated valve group of this hydraulic system is on the basis that ensure that reliability of hydraulic component and concentration degree, make whole hydraulic system pipeline arrange simply, be easy to assembling, be convenient to maintenance, and leakage point is reduced.
Technological scheme of the present invention is: the integrated valve group of this hydraulic system comprises integrated valve block, solenoid valve, three one-way valves and two oil-collecting diverter valves, also comprises the external hydraulic fluid port be arranged on integrated valve block and the circulation oil duct being positioned at integrated valve block; Its structural feature is: have two kinds of circulation oil circuits in described integrated valve block; The first circulation oil circuit comprises working connection second filler opening, the second return opening, rear surface first oil outlet and rear surface second oil outlet on integrated valve block, and working connection second filler opening, the second return opening, rear surface first oil outlet and rear surface second oil outlet are connected with the second oil-collecting diverter valve in integrated valve block, the second one-way valve, the 3rd one-way valve respectively by internal galleries; The second circulation oil circuit comprises working connection first filler opening, the first return opening, oil outlet, front surface first oil outlet and front surface second oil outlet on integrated valve block, and working connection first filler opening, the first return opening, oil outlet, front surface first oil outlet and front surface second oil outlet are connected with the solenoid valve in integrated valve block, the first one-way valve respectively by internal galleries.
First one-way valve, second one-way valve, 3rd one-way valve, first oil-collecting diverter valve, second oil-collecting diverter valve and solenoid valve are positioned at integrated valve block, external solenoid valve electrical signal control interface is positioned at integrated valve block upper surface, first return opening, second return opening and oil outlet are positioned at integrated valve block right flank, first filler opening, second filler opening, front surface first oil outlet and front surface second oil outlet are positioned at integrated valve block body front surface, rear surface first oil outlet and rear surface second oil outlet are positioned at integrated valve block rear surface, integrated valve block lower surface be integrated valve group be fixedly connected with face.
Can circulate separate two kinds of fluid for the integrated valve group inside of hydraulic system.Often kind of circulation oil circuit is connected with multiple hydraulic fluid port by internal galleries.
Advantage of the present invention: adopt internal solenoid valve to be easy to the intelligent control moved towards fluid, two oil outlet oil pump capacity are even to adopt built-in oil-collecting diverter valve to ensure, electrical signal control interface is to two-position two-way solenoid valve intelligent control.On the basis that ensure that reliability of hydraulic component and concentration degree, make whole hydraulic system pipeline arrange simply, be easy to assembling, be convenient to maintenance, and leakage point is reduced, the reliability of complete machine is improved.
Accompanying drawing explanation
Fig. 1 is the structural representation of one embodiment of the invention.
Fig. 2 is the structure principle chart of Fig. 1.
In figure: 1, the first oil-collecting diverter valve, the 2, second oil-collecting diverter valve, 3, front surface second oil outlet, 4, the second one-way valve, 5, electrical signal control interface, 6, solenoid valve, 7, the first filler opening, the 8, the 3rd one-way valve, the 9, first one-way valve, 10, oil outlet, the 11, second return opening, 12, front surface first oil outlet, 13, the first return opening, 14, rear surface second oil outlet, the 15, second filler opening, 16, integrated valve block, 17, rear surface first oil outlet.
Embodiment
In fig. 1 and 2, the integrated valve group of this hydraulic system comprises integrated valve block 16, has two kinds of circulation oil circuits in integrated valve block 16; The first circulation oil circuit comprises working connection second filler opening 15, second return opening 11, rear surface first oil outlet 17 and rear surface second oil outlet 14 on integrated valve block 16, and working connection second filler opening 15, second return opening 11, rear surface first oil outlet 17 and rear surface second oil outlet 14 are connected with the second oil-collecting diverter valve 2, second one-way valve 4 in integrated valve block 16, the 3rd one-way valve 8 respectively by internal galleries; The second circulation oil circuit comprises working connection first filler opening 7, first return opening 13, oil outlet 10, front surface first oil outlet 12 and front surface second oil outlet 3 on integrated valve block 16, and working connection first filler opening 7, first return opening 13, oil outlet 10, front surface first oil outlet 12 and front surface second oil outlet 3 are connected with solenoid valve 6, first one-way valve 9 in integrated valve block 16 respectively by internal galleries.
First one-way valve 9, second one-way valve 4, 3rd one-way valve 8, first oil-collecting diverter valve 1, second oil-collecting diverter valve 2 and solenoid valve 6 are positioned at integrated valve block 16, external solenoid valve electrical signal control interface 5 is positioned at integrated valve block 16 upper surface, first return opening 13, second return opening 11 and oil outlet 10 are positioned at integrated valve block 16 right flank, first filler opening 7, second filler opening 15, front surface first oil outlet 12 and front surface second oil outlet 3 are positioned at integrated valve block 16 front surface, rear surface first oil outlet 17 and rear surface second oil outlet 14 are positioned at integrated valve block 16 rear surface, integrated valve block 16 lower surface be integrated valve group be fixedly connected with face.
Wherein a kind of hydraulic oil is flowed into by the first filler opening 7, electrical signal control interface 5 obtains electric or power-off Controlling solenoid valve 6, solenoid valve 6 is obtained electric hydraulic oil and is flowed out by the first return opening 13 in integrated valve block 16, solenoid valve 6 power-off hydraulic oil blocks oil outlet 10 through the first oil-collecting diverter valve 1 by oil in integrated valve block 16, select from front surface first oil outlet 12, front surface second oil outlet 3 flows out, or power-off hydraulic oil blocks oil outlet front surface first oil outlet 12 by oil in integrated valve block 16, front surface second oil outlet 3 is selected to flow out from oil outlet 10, first one-way valve 9 plays repairing, another kind of hydraulic oil is flowed into by the second filler opening 15, rear surface first oil outlet 17 and rear surface second oil outlet 14 is divided equally through the second oil-collecting diverter valve 2, when oil liquid pressure is greater than the cracking pressure of the second one-way valve 4 and the 3rd one-way valve 8, the hydraulic oil dividing equally out through the second oil-collecting diverter valve 2, through the second one-way valve 4 and the 3rd one-way valve 8, flows out integrated valve block 16 from the second return opening 11.
Claims (1)
1. the integrated valve group of a hydraulic system, the integrated valve group of this hydraulic system comprises integrated valve block, solenoid valve, three one-way valves and two oil-collecting diverter valves, also comprise the external hydraulic fluid port be arranged on integrated valve block and the circulation oil duct being positioned at integrated valve block, it is characterized in that: in integrated valve block, have two kinds of circulation oil circuits, the first circulation oil circuit comprises working connection second filler opening, the second return opening, rear surface first oil outlet and rear surface second oil outlet on integrated valve block, and working connection second filler opening, the second return opening, rear surface first oil outlet and rear surface second oil outlet are connected with the second oil-collecting diverter valve in integrated valve block, the second one-way valve, the 3rd one-way valve respectively by internal galleries, the second circulation oil circuit comprises working connection first filler opening, the first return opening, oil outlet, front surface first oil outlet and front surface second oil outlet on integrated valve block, and working connection first filler opening, the first return opening, oil outlet, front surface first oil outlet and front surface second oil outlet are connected with the solenoid valve in integrated valve block, the first one-way valve respectively by internal galleries, first one-way valve, second one-way valve, 3rd one-way valve, first oil-collecting diverter valve, second oil-collecting diverter valve and solenoid valve are positioned at integrated valve block, external solenoid valve electrical signal control interface is positioned at integrated valve block upper surface, first return opening, second return opening and oil outlet are positioned at integrated valve block right flank, first filler opening, second filler opening, front surface first oil outlet and front surface second oil outlet are positioned at integrated valve block body front surface, rear surface first oil outlet and rear surface second oil outlet are positioned at integrated valve block rear surface, integrated valve block lower surface be integrated valve group be fixedly connected with face.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310154639.0A CN103233935B (en) | 2013-04-28 | 2013-04-28 | Integrated valve group of hydraulic system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310154639.0A CN103233935B (en) | 2013-04-28 | 2013-04-28 | Integrated valve group of hydraulic system |
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| CN103233935A CN103233935A (en) | 2013-08-07 |
| CN103233935B true CN103233935B (en) | 2015-05-20 |
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| CN201310154639.0A Active CN103233935B (en) | 2013-04-28 | 2013-04-28 | Integrated valve group of hydraulic system |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103539019B (en) * | 2013-09-23 | 2016-03-23 | 纽科伦（新乡）起重机有限公司 | The hoisting circuit integration module of ship crane hydraulic system |
| WO2021073067A1 (en) * | 2019-10-16 | 2021-04-22 | 珠海亿华电动车辆有限公司 | Oil circuit control device and street sweeping vehicle |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4121610A (en) * | 1976-02-02 | 1978-10-24 | Ambac Industries Incorporated | Electrically operated proportional flow control hydraulic valve and manually operable remote control device therefor |
| CN201850492U (en) * | 2010-01-19 | 2011-06-01 | 徐州凯莫尔重工科技有限公司 | Milling machine travel driving device |
| CN202106929U (en) * | 2011-06-28 | 2012-01-11 | 三一汽车起重机械有限公司 | Chassis flow distributing device of all-terrain crane and crane |
| CN202144808U (en) * | 2011-07-29 | 2012-02-15 | 宁波市博尔法液压有限公司 | Highly-integrated proportional flow distribution valve |
| CN202707694U (en) * | 2012-08-08 | 2013-01-30 | 徐工集团工程机械股份有限公司科技分公司 | Hydraulic driving axle intelligent cooling system |
| CN203248433U (en) * | 2013-04-28 | 2013-10-23 | 徐工集团工程机械股份有限公司科技分公司 | Integrated valve assembly of hydraulic system |
-
2013
- 2013-04-28 CN CN201310154639.0A patent/CN103233935B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4121610A (en) * | 1976-02-02 | 1978-10-24 | Ambac Industries Incorporated | Electrically operated proportional flow control hydraulic valve and manually operable remote control device therefor |
| CN201850492U (en) * | 2010-01-19 | 2011-06-01 | 徐州凯莫尔重工科技有限公司 | Milling machine travel driving device |
| CN202106929U (en) * | 2011-06-28 | 2012-01-11 | 三一汽车起重机械有限公司 | Chassis flow distributing device of all-terrain crane and crane |
| CN202144808U (en) * | 2011-07-29 | 2012-02-15 | 宁波市博尔法液压有限公司 | Highly-integrated proportional flow distribution valve |
| CN202707694U (en) * | 2012-08-08 | 2013-01-30 | 徐工集团工程机械股份有限公司科技分公司 | Hydraulic driving axle intelligent cooling system |
| CN203248433U (en) * | 2013-04-28 | 2013-10-23 | 徐工集团工程机械股份有限公司科技分公司 | Integrated valve assembly of hydraulic system |
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| CN103233935A (en) | 2013-08-07 |
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