CN110345115A - A kind of more pump interflow hydraulic station device - Google Patents
A kind of more pump interflow hydraulic station device Download PDFInfo
- Publication number
- CN110345115A CN110345115A CN201910733871.7A CN201910733871A CN110345115A CN 110345115 A CN110345115 A CN 110345115A CN 201910733871 A CN201910733871 A CN 201910733871A CN 110345115 A CN110345115 A CN 110345115A
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- CN
- China
- Prior art keywords
- hydraulic
- station device
- valve
- manifold block
- oil
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 230000008676 import Effects 0.000 claims description 6
- 239000007788 liquid Substances 0.000 claims description 5
- 239000012530 fluid Substances 0.000 claims 1
- 238000005086 pumping Methods 0.000 abstract description 4
- 239000003921 oil Substances 0.000 description 45
- 238000000034 method Methods 0.000 description 9
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000002828 fuel tank Substances 0.000 description 2
- 230000010354 integration Effects 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000010720 hydraulic oil Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
Classifications
-
- 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
- F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor
- F15B11/16—Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors
- F15B11/17—Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors using two or more pumps
-
- 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
- F15B13/023—Excess flow valves, e.g. for locking cylinders in case of hose burst
-
- 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
- F15B13/027—Check valves
Abstract
The present invention discloses one kind and pumps interflow hydraulic station device more, is related to hydraulic device technical field, primary structure includes hydraulic manifold block and the electric-hydraulic proportion pressure flow combination valve and multiple safety valves that are set on hydraulic manifold block;It is exported after being collaborated by the pressure oil for exporting multiple hydraulic power units, so that it is too small to efficiently solve separate unit hydraulic power unit output flow, the problem of the demand being unable to satisfy in actual condition to big flow.More pumps interflow hydraulic station device in the present invention can carry out Secondary Control, demand of a variety of hydraulic devices of further satisfaction to pumping plant according to actual condition to output pressure, flow behind interflow by electric-hydraulic proportion pressure flow combination valve.The configuration of the present invention is simple is reasonable, the scope of application is relatively broad and robustness is higher.
Description
Technical field
The present invention relates to hydraulic device technical fields, and interflow hydraulic station device is pumped more particularly to one kind more.
Background technique
As hydraulic technique constantly improves, and it to have flexible arrangement form, automation easy to accomplish, operation conditions flat
Steady and big specific volume power advantage, makes hydraulic system be widely used in civil field and military field.At civilian aspect,
Huge antenna applied to machining tool, building machinery, farm machinery, metallurgical machinery, hoisting machinery, special technique controls dress
It sets, lifting rotation stage etc..At military aspect, hydraulic system has become the important component of various military equipments, is answered
For in the devices such as cannon manipulation and rudder control.A part that hydraulic power unit is formed as hydraulic system is essential
Power resources, directly determine the properties of executing agency.Hydraulic power unit provides pressure and flow for hydraulic system, moves
Power performance largely determines performance parameter, reliability and load efficiency of hydraulic system etc., and good power source
It is the key that then to improve pumping plant performance with structure design.
A kind of more pumps interflow for crane disclosed in the patent application of Publication No. CN201010570138 is hydraulic
System and its interflow valve group, are mainly to provide a kind of interflow valve group, which can be used the pressure oil of two hydraulic pumps
Interflow is to same oil outlet, to reduce the quantity of hydraulic pump in hydraulic system.The patent Shen of publication number CN201110407707
Please a kind of disclosed Dual-power multi-pump converging long-distance pressure adjusting method and system, provide a kind of long-range pressure regulation method of double dynamical pump and
System carries out interflow pressure regulation by intersecting in a one-to-one manner between the hydraulic pump that drives to different dynamic source, balanced difference liquid
The pressure of press pump, the output of steady pressure, while may be implemented to adjust the pressure of working barrel when single power source works, not by event
The influence of barrier or pump of stopping transport.The control of split-pump hydraulic system disclosed in the patent application of Publication No. CN201310592881 fills
Set and control method, provide a kind of control device of split-pump hydraulic system, including master driver, from driver, multi-pump hydraulic
System, pressure sensor, control line, the pressure that master driver is fed back according to the pressure and flow instruction and pressure sensor of setting
Power, motor feedback flow pressure and flow control are carried out to split-pump hydraulic system.Meanwhile master driver is according to the pressure detected
Power and flow are compared with the pressure and flow threshold of setting, to control the revolving speed from driver, to realize to more pump liquids
From pump interflow and the switching control of off-load in pressure system.
A kind of more pumps interflow for crane disclosed in the patent application of Publication No. CN201010570138 is hydraulic
System and its interflow valve group, only simply the pressure oil of two hydraulic pumps is collaborated to same oil outlet, can not be to interflow after
The flow of pressure oil, pressure is adjusted, and is confined to crane using field;The patent of publication number CN201110407707
Apply for a kind of disclosed Dual-power multi-pump converging long-distance pressure adjusting method and system, the output stream of pressure oil behind interflow can only be adjusted
Amount, and the hydraulic pump quantitative requirement of power source drive is identical, can not effectively adapt to complex working condition;Publication No.
The control device and control method of split-pump hydraulic system disclosed in the patent application of CN201310592881, more depends on
Servo-driver, sensor and motor control are easy to happen failure under bad working environments, and robustness is poor.
Summary of the invention
In order to solve the above technical problems, the present invention provides one kind and pumps interflow hydraulic station device more, realizes multiple hydraulic pumps
It stands after the pressure oil exported is collaborated and exports, so that effectively solution separate unit hydraulic power unit output flow is too small, be unable to satisfy reality
The problem of demand in the operating condition of border to big flow;And output pressure, flow behind interflow can be carried out according to actual condition secondary
It adjusts, demand of a variety of hydraulic devices of further satisfaction to pumping plant.
To achieve the above object, the present invention provides following schemes:
The present invention provides one kind and pumps interflow hydraulic station device, including hydraulic manifold block more;The first of the hydraulic manifold block
Side is provided with multiple press oil ports, and the second side of the hydraulic manifold block is provided with oil return opening, and the of the hydraulic manifold block
Three sides are provided with oil outlet.
Optionally, a check valve is respectively arranged between the multiple press oil port and the oil outlet.
Optionally, the check valve is set on the 4th side of the hydraulic manifold block.
Optionally, the import of the check valve is connected with the press oil port, the outlet of the check valve with it is described fuel-displaced
Mouth connection.
It optionally, further include electric-hydraulic proportion pressure flow combination valve, the electric-hydraulic proportion pressure flow combination valve is set to
Between the outlet of the check valve and the oil outlet.
Optionally, the overflow port of the electric-hydraulic proportion pressure flow combination valve is connected with the oil return opening.
It optionally, further include multiple safety valves, the multiple safety valve is set on the top surface of the hydraulic manifold block, and
The import of each safety valve is respectively communicated with the press oil port, and the outlet of each safety valve is connected with the oil return opening.
Optionally, the safety valve is overflow valve.
Optionally, at least one automatically controlled safety valve in the multiple safety valve.
The first side and second side of the hydraulic manifold block are provided with oil return opening, and the oil return opening on two sides
It is connected in the inside of hydraulic manifold block.
The present invention achieves following technical effect compared with the existing technology:
More pumps interflow hydraulic station device primary structure in the present invention includes hydraulic manifold block and is set to Hydraulic integration
Electric-hydraulic proportion pressure flow combination valve and multiple safety valves on block;It is closed by the pressure oil for exporting multiple hydraulic power units
It exports after stream, so that it is too small to efficiently solve separate unit hydraulic power unit output flow, is unable to satisfy in actual condition to big flow
The problem of demand.After more pumps interflow hydraulic station device in the present invention can be to interflow by electric-hydraulic proportion pressure flow combination valve
Output pressure, flow carry out Secondary Control, demand of a variety of hydraulic devices of further satisfaction to pumping plant according to actual condition.This hair
It is bright it is simple and reasonable, the scope of application is relatively broad and robustness is higher.
Detailed description of the invention
It in order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, below will be to institute in embodiment
Attached drawing to be used is needed to be briefly described, it should be apparent that, the accompanying drawings in the following description is only some implementations of the invention
Example, for those of ordinary skill in the art, without any creative labor, can also be according to these attached drawings
Obtain other attached drawings.
Fig. 1 is the hydraulic schematic diagram of the more pump interflow hydraulic station devices of the present invention;
Fig. 2 is the integrated package and valve group installation diagram of the more pump interflow hydraulic station devices of the present invention;
Fig. 3 is integrated package axonometric drawing in the more pump interflow hydraulic station devices of the present invention.
Description of symbols: 1, filter;2, pressure gauge;3, accumulator;4, electric-hydraulic proportion pressure flow combination valve;5, single
To valve;6, safety valve;7, hydraulic pump;8, fuel tank;10, power source;11, hydraulic manifold block;12, oil return opening;14, oil outlet;15,
Press oil port.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Embodiment:
As shown in Figure 1, the present embodiment provides one kind to pump interflow hydraulic station device, including hydraulic manifold block 11 more;The liquid
Press the first side setting of integrated package 11 there are three press oil port 15, the first side and second side of the hydraulic manifold block 11 are equal
It is provided with oil return opening 12, and the oil return opening 12 on two sides is connected in the inside of hydraulic manifold block 11, the Hydraulic integration
The third side of block 11 is provided with oil outlet 14.
In this specific embodiment, as shown in Figure 1-3, set respectively between three press oil ports 15 and the oil outlet 14
It is equipped with a check valve 5.The check valve 5 is set on the 4th side of the hydraulic manifold block 11.The import of the check valve 5
It is connected with the press oil port 15, the outlet of the check valve 5 is connected to the oil outlet 14.
More pumps interflow hydraulic station device in the present embodiment further includes electric-hydraulic proportion pressure flow combination valve 4, i.e. P-Q valve,
The electric-hydraulic proportion pressure flow combination valve 4 is set between the outlet and the oil outlet 14 of the check valve 5.It is described electro-hydraulic
The overflow port of composite valve with proportional pressure flow 4 is connected with the oil return opening 12.
More pumps interflow hydraulic station device in the present embodiment further includes three safety valves 6, and three safety valves 6 are set to
On the top surface of the hydraulic manifold block 11, and the import of each safety valve 6 is respectively communicated with the press oil port 15, each safety
The outlet of valve 6 is connected with the oil return opening 12.The safety valve 6 is overflow valve.There is an electricity in three safety valves 6
Control safety valve 6
In use, three press oil ports 15 are respectively communicated with a hydraulic power unit, the pressure oil of hydraulic power unit output passes through three
Press oil port 15 flow into hydraulic manifold block 11, pressure oil converge in hydraulic manifold block 11 after through electric-hydraulic proportion pressure flow combination valve
4 are exported by oil outlet 14.
Check valve 5 can interfere with each other to avoid each hydraulic power unit because of output hydraulic pressure pressure size, uninterrupted difference, prevent
Only hydraulic oil flows back.
Overflow valve can prevent hydraulic power unit output pressure excessive, play the role of overload protection, and be conducive to keep liquid
It presses the pressure in integrated package 11 to stablize, avoids 11 output pressure of hydraulic manifold block excessively high.
Electric-hydraulic proportion pressure flow combination valve 4 can carry out proportion adjustment to the pressure of pressure oil, and defeated to hydraulic system
After outflow carries out ratio control, partial pressure oil is exported through oil outlet 14, and partial pressure oil flows back to fuel tank through oil return opening 12.
Apply that a specific example illustrates the principle and implementation of the invention in this specification, above embodiments
Explanation be merely used to help understand method and its core concept of the invention;At the same time, for those skilled in the art,
According to the thought of the present invention, there will be changes in the specific implementation manner and application range.In conclusion in this specification
Appearance should not be construed as limiting the invention.
Claims (10)
1. a kind of more pump interflow hydraulic station device, which is characterized in that including hydraulic manifold block;First side of the hydraulic manifold block
Face is provided with multiple press oil ports, and the second side of the hydraulic manifold block is provided with oil return opening, the third of the hydraulic manifold block
Side is provided with oil outlet.
2. more pump interflow hydraulic station device according to claim 1, which is characterized in that the multiple press oil port and it is described go out
A check valve is respectively arranged between hydraulic fluid port.
3. more pump interflow hydraulic station device according to claim 2, which is characterized in that the check valve is set to the liquid
On the 4th side for pressing integrated package.
4. more pump interflow hydraulic station device according to claim 2, which is characterized in that the import of the check valve with it is described
Press oil port is connected, and the outlet of the check valve is connected to the oil outlet.
5. more pump interflow hydraulic station device according to claim 4, which is characterized in that further include electric-hydraulic proportion pressure flow
Combination valve, the electric-hydraulic proportion pressure flow combination valve are set between the outlet of the check valve and the oil outlet.
6. more pump interflow hydraulic station device according to claim 5, which is characterized in that the electric-hydraulic proportion pressure flow is multiple
The overflow port for closing valve is connected with the oil return opening.
7. more pump interflow hydraulic station device according to claim 1, which is characterized in that it further include multiple safety valves, it is described
Multiple safety valves are set on the top surface of the hydraulic manifold block, and the import of each safety valve is respectively communicated with the pressure oil
Mouthful, the outlet of each safety valve is connected with the oil return opening.
8. more pump interflow hydraulic station device according to claim 7, which is characterized in that the safety valve is overflow valve.
9. more pump interflow hydraulic station device according to claim 7, which is characterized in that in the multiple safety valve at least
One automatically controlled safety valve.
10. more pump interflow hydraulic station device according to claim 1, which is characterized in that the first of the hydraulic manifold block
Side and second side are provided with oil return opening, and the oil return opening on two sides is connected in the inside of hydraulic manifold block.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201910733871.7A CN110345115A (en) | 2019-08-09 | 2019-08-09 | A kind of more pump interflow hydraulic station device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201910733871.7A CN110345115A (en) | 2019-08-09 | 2019-08-09 | A kind of more pump interflow hydraulic station device |
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Publication Number | Publication Date |
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CN110345115A true CN110345115A (en) | 2019-10-18 |
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CN201910733871.7A Pending CN110345115A (en) | 2019-08-09 | 2019-08-09 | A kind of more pump interflow hydraulic station device |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113958575A (en) * | 2021-09-15 | 2022-01-21 | 浙江省送变电工程有限公司 | Modularized hydraulic power device |
Citations (7)
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---|---|---|---|---|
CN102094861A (en) * | 2010-12-02 | 2011-06-15 | 徐州重型机械有限公司 | Multi-pump concurrent flow hydraulic system for crane and concurrent valve bank |
CN203308812U (en) * | 2013-05-06 | 2013-11-27 | 佛山市贝斯顿科技有限公司 | Pump station control hydraulic system |
CN207064366U (en) * | 2017-08-15 | 2018-03-02 | 合肥英腾嘉科技发展有限责任公司 | A kind of multi output hydraulic power station |
CN208010673U (en) * | 2018-05-23 | 2018-10-26 | 西北农林科技大学 | A kind of large tonnage pressing machine hydraulic station |
CN208778366U (en) * | 2018-09-03 | 2019-04-23 | 苏州劲沅油压机械有限公司 | A kind of swimming pool propeller hydraulic drive circuit |
CN208858686U (en) * | 2018-10-18 | 2019-05-14 | 重庆康百世机电设备有限公司 | A kind of high temperature resistant test pumping plant of power steering stgear |
CN210265310U (en) * | 2019-08-09 | 2020-04-07 | 桂林航天工业学院 | Multi-pump confluence hydraulic station device |
-
2019
- 2019-08-09 CN CN201910733871.7A patent/CN110345115A/en active Pending
Patent Citations (7)
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---|---|---|---|---|
CN102094861A (en) * | 2010-12-02 | 2011-06-15 | 徐州重型机械有限公司 | Multi-pump concurrent flow hydraulic system for crane and concurrent valve bank |
CN203308812U (en) * | 2013-05-06 | 2013-11-27 | 佛山市贝斯顿科技有限公司 | Pump station control hydraulic system |
CN207064366U (en) * | 2017-08-15 | 2018-03-02 | 合肥英腾嘉科技发展有限责任公司 | A kind of multi output hydraulic power station |
CN208010673U (en) * | 2018-05-23 | 2018-10-26 | 西北农林科技大学 | A kind of large tonnage pressing machine hydraulic station |
CN208778366U (en) * | 2018-09-03 | 2019-04-23 | 苏州劲沅油压机械有限公司 | A kind of swimming pool propeller hydraulic drive circuit |
CN208858686U (en) * | 2018-10-18 | 2019-05-14 | 重庆康百世机电设备有限公司 | A kind of high temperature resistant test pumping plant of power steering stgear |
CN210265310U (en) * | 2019-08-09 | 2020-04-07 | 桂林航天工业学院 | Multi-pump confluence hydraulic station device |
Non-Patent Citations (1)
Title |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113958575A (en) * | 2021-09-15 | 2022-01-21 | 浙江省送变电工程有限公司 | Modularized hydraulic power device |
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