CN104806591A - Integrated load-sensitive multiple-way valve - Google Patents
Integrated load-sensitive multiple-way valve Download PDFInfo
- Publication number
- CN104806591A CN104806591A CN201410038495.7A CN201410038495A CN104806591A CN 104806591 A CN104806591 A CN 104806591A CN 201410038495 A CN201410038495 A CN 201410038495A CN 104806591 A CN104806591 A CN 104806591A
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- China
- Prior art keywords
- valve
- load
- way
- way valve
- integrated form
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B13/00—Details of servomotor systems ; Valves for servomotor systems
- F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
Abstract
The invention discloses an integrated load-sensitive multiple-way valve, and the integrated load-sensitive multiple-way valve is a three-position four-way reversing valve assembly which is in a plate connection state. The integrated load-sensitive multiple-way valve is characterized in that multiple working devices can separately and compositely move by manually controlling different three-position four-way reversing valves, output pressure and flow magnitude of a hydraulic pump can be adjusted according to the real-time pressure of the system load and the flow magnitude, so that the output power of the pump can totally match with the load, overflow loss and radiation of the hydraulic system can be decreased, and energy saving and emission reduction can be realized.
Description
Technical field
The invention belongs to a kind of gasket mounted three position four-way directional control valve group, manually control different three position four-way directional control valves, multiple equipment single movement and composite move can be realized, delivery pressure and the uninterrupted of regulator solution press pump can be come according to the real-time pressure of system load and uninterrupted, to realize the coupling completely of pump power output load, reduce the spill losses of hydraulic system and heating, thus realize energy-conservation with reduction of discharging.
Background technique
At present, the field such as engineering machinery, mining machinery, Coal Mechanical, municipal machinery, marine machinery is all at use multi-way valve product, along with aggravation gradually, some relative low sides of market demand of these industry competitions, there is controlling functions but not there is the multi-way valve product of electric ratio.
In order to meet market to some the demand of load sensing multi-way valve of relative low side, research and develop a kind of manufacture cost lower and there is the multi-way valve product of the market competitiveness.
Summary of the invention
The object of the invention is to, provide a kind of manufacture cost lower and there is the integrated form load sensing multi-way valve product of the market competitiveness, meet market to some the demand of load sensing multi-way valve of relative low side.
To achieve these goals, technical solution of the present invention is as follows:
A kind of integrated form load sensing multi-way valve, it is characterized in that: a kind of gasket mounted three position four-way directional control valve group is by surely poor overflow and safety valve block, selector valve, fixed poor decompression and load-sensitive valve block, guide's reduction valve block, A mouth is actuator port, B mouth is actuator port, R mouth is return opening, P mouth is filler opening, manually control different three position four-way directional control valves, multiple equipment single movement and composite move can be realized, delivery pressure and the uninterrupted of regulator solution press pump can be come according to the real-time pressure of system load and uninterrupted, to realize the coupling completely of pump power output load, reduce spill losses and the heating of hydraulic system, thus realize energy-conservation with reduction of discharging, oil-way board can increase according to need of work or reduce installation group number.
Above-mentioned a kind of integrated form load sensing multi-way valve, is characterized in that: on constant difference overflow valve, safety valve is housed, and is used for the off-load when system principal pressure is excessive.
Above-mentioned a kind of integrated form load sensing multi-way valve, it is characterized in that: in surely poor decompression and load-sensitive valve block, shuttle valve is housed, be used for constant difference overflow valve maximum load pressure transmitted on given poor overflow and safety valve block, realize the control of pump to required pressure and flow.
Above-mentioned a kind of integrated form load sensing multi-way valve, it is characterized in that: in surely poor decompression and load-sensitive valve block, Fixed differential reducing valve is housed, in the action simultaneously of many group selector valves and load is different, it is only relevant with the valve core opening area of selector valve with flow that Fixed differential reducing valve can realize pressure, not by the impact of the fluctuation of load.
Above-mentioned a kind of integrated form load sensing multi-way valve, is characterized in that: mounting filter on guide's reduction valve block, is used for meeting the requirement of guide's Decompression Controlling to guide's oil cleanliness.
Above-mentioned a kind of integrated form load sensing multi-way valve, is characterized in that: selector valve can select hand-operated direction valve, solenoid directional control valve, guide liquid control change valve according to actual needs, even can select direct-acting type highi degree of accuracy proportional reversing valve.
The invention has the beneficial effects as follows: by simplifying load-sensitive proportional multi-way valve in the past, removing electric proportional control, reducing manufacturing cost, add the competitiveness of product in market, make whole hydraulic system structure compact, manufacturing process is more simple, and production assembling is more convenient.
Accompanying drawing explanation
Fig. 1 is erection drawing of the present invention.
Embodiment
Below in conjunction with drawings and the specific embodiments, the present invention is described in further detail.
As shown in Figure 1, a kind of oil hydraulic motor control integration valve relates to: fixed poor overflow and safety valve block 1, selector valve 2, fixed poor decompression and load-sensitive valve block 3, guide's reduction valve block 4, A mouth 5 are actuator port, B mouth 6 is actuator port, R mouth 7 is return opening, P mouth 8 is filler opening.Pressure oil enters surely poor overflow and safety valve block 1 by the P mouth 8 on oil-way board, and safety valve is equipped with in surely poor overflow and safety valve block 1, is used for the off-load when system principal pressure is excessive, and fluid is directly from R mouth 7 oil sump tank.Surely constant difference overflow valve is equipped with in poor overflow and safety valve block 1, delivery pressure and the uninterrupted of regulator solution press pump can be come according to the real-time pressure of system load and uninterrupted, to realize the coupling completely of pump power output also load.While pressure oil enters surely poor overflow and safety valve block 1 on oil-way board guide reduction valve block 4, also enter each group of fixed poor overflow and safety valve block.Surely Fixed differential reducing valve is equipped with in poor decompression and load-sensitive valve block, in the action simultaneously of many group selector valves and load is different, it is only relevant with the valve core opening area of selector valve with flow that Fixed differential reducing valve can realize pressure, not by the impact of the fluctuation of load.Selector valve 2 is arranged on surely poor decompression and load-sensitive valve block 1, can select hand-operated direction valve, electromagnetic switch, guide liquid control change valve as required, even can select direct-acting type highi degree of accuracy proportional reversing valve.
The above is preferred embodiment of the present invention; the technician of the industry should understand; the present invention is not restricted to the described embodiments; what describe in above-described embodiment and specification just illustrates principle of the present invention; the present invention also has various changes and modifications without departing from the spirit and scope of the present invention, and these changes and improvements all fall in scope of patent protection of the present invention.
Claims (6)
1. an integrated form load sensing multi-way valve, it is characterized in that: a kind of gasket mounted three position four-way directional control valve group is by surely poor overflow and safety valve block, selector valve, fixed poor decompression and load-sensitive valve block, guide's reduction valve block, A mouth is actuator port, B mouth is actuator port, R mouth is return opening, P mouth is filler opening, manually control different three position four-way directional control valves, multiple equipment single movement and composite move can be realized, delivery pressure and the uninterrupted of regulator solution press pump can be come according to the real-time pressure of system load and uninterrupted, to realize the coupling completely of pump power output load, reduce spill losses and the heating of hydraulic system, thus realize energy-conservation with reduction of discharging, oil-way board can increase according to need of work or reduce installation group number.
2. a kind of integrated form load sensing multi-way valve according to claim 1, is characterized in that: on constant difference overflow valve, safety valve is housed, and is used for the off-load when system principal pressure is excessive.
3. a kind of integrated form load sensing multi-way valve according to claim 1, it is characterized in that: in surely poor decompression and load-sensitive valve block, shuttle valve is housed, be used for constant difference overflow valve maximum load pressure transmitted on given poor overflow and safety valve block, realize the control of pump to required pressure and flow.
4. a kind of integrated form load sensing multi-way valve according to claim 1, it is characterized in that: in surely poor decompression and load-sensitive valve block, Fixed differential reducing valve is housed, in the action simultaneously of many group selector valves and load is different, it is only relevant with the valve core opening area of selector valve with flow that Fixed differential reducing valve can realize pressure, not by the impact of the fluctuation of load.
5. a kind of integrated form load sensing multi-way valve according to claim 1, is characterized in that: mounting filter on guide's reduction valve block, is used for meeting the requirement of guide's Decompression Controlling to guide's oil cleanliness.
6. a kind of integrated form load sensing multi-way valve according to claim 1, is characterized in that: selector valve can select hand-operated direction valve, solenoid directional control valve, guide liquid control change valve according to actual needs, even can select direct-acting type highi degree of accuracy proportional reversing valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410038495.7A CN104806591A (en) | 2014-01-27 | 2014-01-27 | Integrated load-sensitive multiple-way valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410038495.7A CN104806591A (en) | 2014-01-27 | 2014-01-27 | Integrated load-sensitive multiple-way valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104806591A true CN104806591A (en) | 2015-07-29 |
Family
ID=53691708
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410038495.7A Pending CN104806591A (en) | 2014-01-27 | 2014-01-27 | Integrated load-sensitive multiple-way valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104806591A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106194872A (en) * | 2016-08-29 | 2016-12-07 | 天津华宁电子有限公司 | A kind of mining hand reversal valve group that can promote maintenance efficiency |
| CN110905870A (en) * | 2019-12-09 | 2020-03-24 | 柳州柳工液压件有限公司 | Load sensitive hydraulic system |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2682235Y (en) * | 2004-02-19 | 2005-03-02 | 张思学 | Load sensing pressure compensation multi-port valve |
| CN200978846Y (en) * | 2006-10-06 | 2007-11-21 | 付蕾 | Manual multifunctional multiport valve |
| CN103994112A (en) * | 2013-02-20 | 2014-08-20 | 北京海卓力金液压技术有限公司 | Integrated load-sensitive multi-way valve |
-
2014
- 2014-01-27 CN CN201410038495.7A patent/CN104806591A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2682235Y (en) * | 2004-02-19 | 2005-03-02 | 张思学 | Load sensing pressure compensation multi-port valve |
| CN200978846Y (en) * | 2006-10-06 | 2007-11-21 | 付蕾 | Manual multifunctional multiport valve |
| CN103994112A (en) * | 2013-02-20 | 2014-08-20 | 北京海卓力金液压技术有限公司 | Integrated load-sensitive multi-way valve |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106194872A (en) * | 2016-08-29 | 2016-12-07 | 天津华宁电子有限公司 | A kind of mining hand reversal valve group that can promote maintenance efficiency |
| CN110905870A (en) * | 2019-12-09 | 2020-03-24 | 柳州柳工液压件有限公司 | Load sensitive hydraulic system |
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| C06 | Publication | ||
| PB01 | Publication | ||
| EXSB | Decision made by sipo to initiate substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150729 |
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| RJ01 | Rejection of invention patent application after publication |