CN103047213A - Hydraulic rectifying valve and control method - Google Patents
Hydraulic rectifying valve and control method Download PDFInfo
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- CN103047213A CN103047213A CN2013100104699A CN201310010469A CN103047213A CN 103047213 A CN103047213 A CN 103047213A CN 2013100104699 A CN2013100104699 A CN 2013100104699A CN 201310010469 A CN201310010469 A CN 201310010469A CN 103047213 A CN103047213 A CN 103047213A
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- way solenoid
- valve
- hydraulic fluid
- hydraulic
- solenoid valve
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Abstract
The invention relates to a hydraulic rectifying valve. The valve comprises four two-position two-way electromagnetic valves and four external oil ports, wherein the two-position two-way electromagnetic valves are connected in series to form frame-shaped connection, the opening and the closing of the two-position two-way electromagnetic valves can be controlled through an electromagnet, the control of two-position two-way electromagnetic valves is independent, the synchronous or differential time opening and closing of one or more two-position two-way electromagnetic valves can be controlled, and rectifying, safe unloading, differential connection and buffering functions can be achieved. The opening and the closing of the two-position two-way electromagnetic valves can be controlled through the electromagnet, the action speed is quick, the responding frequency is high, the oil leakage of the rectifying valve is avoided, and the rectifying valve is suitable to a hydraulic system requiring high-frequency actions.
Description
Technical field
The present invention relates to a kind of hydraulic pressure rectifying valve and controlling method, especially a kind of hydraulic pressure rectifying valve and controlling method that need in the Hydraulic Power Transmission System to be applicable to flow direction change.
Background technique
The hydraulic pressure rectifying valve mainly is to form by specific Placement by one-way valve at present, and the characteristics of rely on the one-way valve one-way conduction, oppositely closing realize rectification function.Because one-way valve is linear sealing, the bump of spool and valve seat easily causes the spool wearing and tearing, and sealing effect is bad; Owing to the existence of hydraulic power, the speed of response that spool is opened or closed is slow during the one-way valve action, and string oil leaks greatly; The open and close of an one-way valve liquid body pressure control, thereby rectifying valve can not be realized the manual control mode; The type rectifying valve life-span is short, and leakage rate is large, and speed of response is slow, and can't satisfy special control requirement.
Summary of the invention
Technical problem: the objective of the invention is to overcome the deficiency in the prior art, provide a kind of simple in structure, function is many, control performance good, easy to operate hydraulic pressure rectifying valve and controlling method.
Technological scheme: hydraulic pressure rectifying valve of the present invention, comprise 4 two-position two-way solenoid valves that are connected into by the road shaped as frame, all be connected with an external hydraulic fluid port on the pipeline between adjacent 2 two-position two-way solenoid valves in shaped as frame diagonal angle, wherein, two hydraulic fluid ports on the diagonal angle link to each other with outside executive component arbitrarily, and two hydraulic fluid ports on the residue diagonal angle are liquid entering hole and liquid outlet; Described two-position two-way solenoid valve is open in usual or Normally closed type.
Hydraulic pressure rectifying valve controlling method of the present invention, become shaped as frame to be cascaded 4 two-position two-way solenoid valves by pipeline, any two external hydraulic fluid ports on 4 two-position two-way solenoid valve shaped as frame diagonal angles are connected with outside executive component, and the switching of one, two, three or four two-position two-way solenoid valve of control provides the control of required flow direction change during by while or difference for external hydraulic system
Beneficial effect: the present invention utilizes 4 two-position two-way solenoid valves to control needs to change the direction of liquid stream in the opening and closing Hydraulic Power Transmission System, can satisfy common rectifying valve offside one-way valve opens simultaneously, outside the function that adjacent side is closed simultaneously, can realize again the unlatching of single or multiple two-position two-way solenoid valve oil circuits or close, to enlarge application area, such as safe off-load, differential connection etc.; On the time sequencing of liquid flow path direction control, except can realize the liquid flow tube road open synchronously with close, can also realize shifting to an earlier date, controlling when postponing equal difference of particular fluid flow pipeline, the hydraulic system that has compression shock or other specific functions to require to adapt to some; Two-position two-way solenoid valve is the cylndrical surface sealing owing to what adopt, wear-resistant, the response time that magnet control liquid flow tube road is opened or closed is much smaller than the common rectifying valve that is made of one-way valve, string oil phenomenon when not only having avoided the liquid flow tube road to open and close, and applicable to some hydraulic system that has high frequency control to require to oil circuit.It is simple in structure, and is easy to operate, controls effectively, has widely practicability.
Description of drawings
Fig. 1 is structural principle schematic representation of the present invention;
Fig. 2 (a) is a kind of working state schematic representation of embodiments of the invention one;
Fig. 2 (b) is a kind of working state schematic representation of embodiments of the invention one;
Fig. 3 is embodiments of the invention two off-load working state schematic representations;
Fig. 4 (a) is a kind of working state schematic representation of embodiments of the invention three differential connections;
Fig. 4 (b) is a kind of working state schematic representation of embodiments of the invention three differential connections.
Among the figure: 1,2,3,4-two-position two-way solenoid valve, 5-liquid entering hole, 7-liquid outlet, the outside executive component hydraulic fluid port of 6-one, 8-outside executive component hydraulic fluid port two.
Embodiment
Below in conjunction with accompanying drawing embodiments of the invention are further described:
As shown in Figure 1, hydraulic pressure rectifying valve of the present invention, mainly consisted of by 4 two-position two- way solenoid valves 1,2,3,4 that are connected into by the road the shaped as frame connection, the hydraulic fluid port that all has an external hydraulic system that is employed with this hydraulic pressure rectifying valve to be connected on the pipeline between 4 two-position two-way solenoid valves, wherein, any two hydraulic fluid ports on the shaped as frame diagonal angle link to each other with the executive component of external hydraulic system, and remaining two hydraulic fluid ports are liquid entering hole and liquid outlet; Described two-position two-way solenoid valve is open in usual or Normally closed type.
Hydraulic pressure rectifying valve controlling method of the present invention, become shaped as frame to be cascaded 4 two-position two-way solenoid valves by pipeline, two external hydraulic fluid ports on any diagonal angle between 4 two-position two-way solenoid valves are connected with outside executive component, and the switching of one, two or four two-position two-way solenoid valve of control provides the control of required flow direction change during by while or difference for hydraulic system.
Shown in Fig. 2 (a), control simultaneously the switching of two solenoid valves: the hydraulic pressure rectifying valve mainly is made of 4 two-position two- way solenoid valves 1,2,3,4 one-tenth shaped as frame series connection, all is connected with an external hydraulic fluid port on the pipeline between 2 two-position two-way solenoid valves of arbitrary neighborhood; According to on-the-spot actual demand, can select open in usual or normal close two-position two-way solenoid, for example adopt Normally closed type.Actual demand control electromagnet according to external hydraulic system is opened two-position two-way solenoid valve 1 and 3 simultaneously, two-position two- way solenoid valve 2 and 4 is closed simultaneously, hydraulic oil from external hydraulic system is input to outside executive component by liquid entering hole 5, two-position two-way solenoid valve 1 and outside executive component hydraulic fluid port 1, outputs to external hydraulic system from the hydraulic oil of outside executive component by outside executive component hydraulic fluid port 28, two-position two-way solenoid valve 3 and liquid outlet 7.Shown in Fig. 2 (b), when two-position two- way solenoid valve 2 and 4 is opened simultaneously, two-position two-way solenoid valve 1 and 3 is closed simultaneously, hydraulic oil from external hydraulic system is input to outside executive component by liquid entering hole 5, two-position two-way solenoid valve 4 and outside executive component hydraulic fluid port 28, outputs to external hydraulic system from the hydraulic oil of outside executive component by outside executive component hydraulic fluid port 26, two-position two-way solenoid valve 2 and liquid outlet 7.Rectifying valve of the present invention is realized the function of rectification by above two kinds of working staties.
The switching of control solenoid valve when now poor: when hydraulic system requires rectifying valve regulator solution flow path direction that certain pressure buffer function is arranged, open with the two-position two-way solenoid valve 1 among Fig. 2 (a) and 3, the state that two-position two- way solenoid valve 2 and 4 is closed is transformed into the middle two-position two-way solenoid valve 1 and 3 of Fig. 2 (b) and closes, two-position two- way solenoid valve 2 and 4 states of opening are example, can close first two-position two-way solenoid valve 1, then open two-position two-way solenoid valve 2, this moment, hydraulic fluid port 1 and the hydraulic fluid port 28 of outside executive component were interconnected, pressure equates there is not compression shock; And then close two-position two-way solenoid valve 3, open at last two-position two-way solenoid valve 4.The order that opens and closes when poor by four two-position two-way solenoid valves realizes the function of pressure buffer.
As shown in Figure 3, control simultaneously the switching of four solenoid valves, when 4 two-position two-way solenoid valves were all opened, 4 four hydraulic fluid ports 5,6,7 and 8 all were communicated with, and pressure is identical, has realized the function of safe off-load.
Embodiment 3,
When needs are realized differential connection, can select the two-position two- way solenoid valve 1 and 4 shown in Fig. 4 (a) to open according to actual external hydraulic system situation, two-position two-way solenoid valve 2 and 3 is closed, or the two-position two-way solenoid valve shown in Fig. 4 (b) 1 and 4 is closed two-position two-way solenoid valve 2 and 3 unlatchings.
Claims (2)
1. hydraulic pressure rectifying valve, it is characterized in that: it comprises 4 two-position two-way solenoid valves that are connected into by the road shaped as frame, all be connected with an external hydraulic fluid port on the pipeline between adjacent 2 two-position two-way solenoid valves in shaped as frame diagonal angle, wherein, two hydraulic fluid ports on the diagonal angle link to each other with outside executive component arbitrarily, and two hydraulic fluid ports on the residue diagonal angle are liquid entering hole and liquid outlet; Described two-position two-way solenoid valve is open in usual or Normally closed type.
2. the controlling method of described hydraulic pressure rectifying valve according to claim 1, it is characterized in that: become shaped as frame to be cascaded 4 two-position two-way solenoid valves by pipeline, two external hydraulic fluid ports on any diagonal angle between 4 two-position two-way solenoid valves are connected with outside executive component, and the switching of one, two or four two-position two-way solenoid valve of control provides the control of required flow direction change during by while or difference for external hydraulic system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013100104699A CN103047213A (en) | 2013-01-11 | 2013-01-11 | Hydraulic rectifying valve and control method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013100104699A CN103047213A (en) | 2013-01-11 | 2013-01-11 | Hydraulic rectifying valve and control method |
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| Publication Number | Publication Date |
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| CN103047213A true CN103047213A (en) | 2013-04-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2013100104699A Pending CN103047213A (en) | 2013-01-11 | 2013-01-11 | Hydraulic rectifying valve and control method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105402467A (en) * | 2014-09-12 | 2016-03-16 | 上海日立电器有限公司 | Electromagnetic valve group |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1312741A (en) * | 1998-08-14 | 2001-09-12 | Sms舒路曼-斯玛公司 | Device for hydraulically adjusting rollers of strand guiding segments of continuous casting installation |
| JP2009197832A (en) * | 2008-02-19 | 2009-09-03 | Ben:Kk | Power supply unit for solenoid valve |
| CN102395798A (en) * | 2009-04-17 | 2012-03-28 | 费斯托股份有限两合公司 | Fluidic system |
| CN202597306U (en) * | 2012-04-17 | 2012-12-12 | 宋涛 | Integrated valve block for alternating flow rectification of hydraulic system |
| CN102840189A (en) * | 2012-09-25 | 2012-12-26 | 北京机械设备研究所 | Combined hydraulic oil bridge |
-
2013
- 2013-01-11 CN CN2013100104699A patent/CN103047213A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1312741A (en) * | 1998-08-14 | 2001-09-12 | Sms舒路曼-斯玛公司 | Device for hydraulically adjusting rollers of strand guiding segments of continuous casting installation |
| JP2009197832A (en) * | 2008-02-19 | 2009-09-03 | Ben:Kk | Power supply unit for solenoid valve |
| CN102395798A (en) * | 2009-04-17 | 2012-03-28 | 费斯托股份有限两合公司 | Fluidic system |
| CN202597306U (en) * | 2012-04-17 | 2012-12-12 | 宋涛 | Integrated valve block for alternating flow rectification of hydraulic system |
| CN102840189A (en) * | 2012-09-25 | 2012-12-26 | 北京机械设备研究所 | Combined hydraulic oil bridge |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105402467A (en) * | 2014-09-12 | 2016-03-16 | 上海日立电器有限公司 | Electromagnetic valve group |
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Application publication date: 20130417 |