CN105114687B - A kind of more hydraulic butterfly valves open and close control hydraulic control system - Google Patents
A kind of more hydraulic butterfly valves open and close control hydraulic control system Download PDFInfo
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- CN105114687B CN105114687B CN201510512603.4A CN201510512603A CN105114687B CN 105114687 B CN105114687 B CN 105114687B CN 201510512603 A CN201510512603 A CN 201510512603A CN 105114687 B CN105114687 B CN 105114687B
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- valve
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- accumulator
- current limliting
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/12—Actuating devices; Operating means; Releasing devices actuated by fluid
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/12—Actuating devices; Operating means; Releasing devices actuated by fluid
- F16K31/14—Actuating devices; Operating means; Releasing devices actuated by fluid for mounting on, or in combination with, hand-actuated valves
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Fluid-Pressure Circuits (AREA)
Abstract
The invention provides a kind of more hydraulic butterfly valves to open and close control hydraulic control system, including two hydraulic power units, accumulator group, current limliting stop valve, pressure sensor, multiple solenoid valve blocks, controller, multiple hydraulic executers, multiple hydraulic butterfly valves；It is then to be connected by metal hydraulic oil pipe line between each part, using redundancy design method, distinguish control section hydraulic butterfly valve using two hydraulic power units standby each other, current limliting stop valve is set on every hydraulic power unit Drainage pipe, by being controlled by the coupling of the Hydraulic Elements such as solenoid directional control valve, solves the problems, such as the interactive controlling under each hydraulic butterfly valve state of emergency that certain part breaks down in systems, so as to design a kind of good reliability, the more butterfly valve remote control systems of safe hydraulic-driven, meet the field control function of more hydraulic butterfly valves, and rapid reaction, actuator integration degree is high, with the higher market competitiveness.
Description
Technical field
Patent of the present invention is related to a kind of more butterfly valve control systems of hydraulic-driven, and especially a kind of more hydraulic butterfly valves open and close control
Hydraulic control system processed.
Background technology
Valve open-shut control system is the important key equipment in various ships, and the hydraulic butterfly valve used in ship opens and closes control at present
The function of hydraulic system processed is relatively easy, reliability and safety is not high.
Butterfly valve hydraulicefficiency telecontrol system is the important component of shipboard automation control, and its effect is by hydraulic system
Keying of the hydraulic executer to hydraulic pressure butterfly valve realize the break-make of pipeline, make such as ballast water, daily fuel oil in pipeline and disappear
The purpose that the fluid media (medium)s such as waterproof are rationally adjusted, so as to posture balancing, the normal operation of equipment and the security against fire for ship
Provide safeguard；Traditional butterfly valve remote control system is generally adopted by electronic, the pneumatic control mode for also having hydraulic-driven, but
Under some particular cases, such as load under cable does not allow in inflammable and explosive or chemicals ship in cabin, it is therefore desirable to
By the way of hydraulic-driven；The actuator of hydraulic-driven can be realized while drive multi-quantity, the butterfly valve of high pulling torque and realize valve
The fast opening and closing of door；Traditional hydraulic pressure butterfly valve system operatio flexibility is not high, functional reliability is relatively low, and can not realize automatic
Change, intelligentized butterfly valve controls and detectable valve working state.
The content of the invention
For Shortcomings in the prior art, the invention provides a kind of more hydraulic butterfly valves to open and close control hydraulic control system
System.
The present invention is to realize above-mentioned technical purpose by following technological means.
A kind of more hydraulic butterfly valves open and close control hydraulic control system, it is characterised in that including two hydraulic power units, accumulators
Group, current limliting stop valve, pressure sensor, multiple solenoid valve blocks, controller, multiple hydraulic executers, multiple hydraulic butterfly valves；It is described
Hydraulic power unit includes constant pressure variable displacement pump, motor, and constant pressure variable displacement pump is filtered using fire retardant fluid as hydraulic medium and by imbibition
Device connects with liquid case, the output shaft of motor and the input axis connection of constant pressure variable displacement pump；Accumulator group includes the first accumulator, second
Accumulator, the safe valve group of the first accumulator, the safe valve group of the second accumulator, the first accumulator and the safe valve group of the first accumulator
Valve group safe with the second accumulator, the second accumulator connected is in parallel after the safe valve group series connection of one accumulator；First accumulator,
Two accumulators also connect with first the first current limliting of current limliting stop valve stop valve, the second current limliting stop valve respectively, the first accumulator,
One way sequence valve, two hydraulic pressure are in series with oil circuit between two accumulators and the first current limliting stop valve, the second current limliting stop valve
The constant pressure variable displacement pump of pumping plant connects with the first accumulator, the second accumulator, the first current limliting stop valve, the second current limliting stop valve respectively
It is logical, check valve, overflow valve are sequentially provided between constant pressure variable displacement pump and the first accumulator, the second accumulator；The solenoid valve block bag
Three position four-way electromagnetic valve, the first hydraulic control one-way valve, the second hydraulic control one-way valve, the first one-way throttle valve, the second one-way throttle valve are included,
The three position four-way electromagnetic valve is sequentially connected in series with the first hydraulic control one-way valve, the first one-way throttle valve, second hydraulic control one-way valve
It is in parallel with the first hydraulic control one-way valve, the first one-way throttle valve after being connected with the second one-way throttle valve；Three of the solenoid valve block
Outlet line of two hydraulic fluid ports of four way solenoid valve respectively with the first current limliting stop valve, the second current limliting stop valve is connected；Magnetic valve
The first one-way throttle valve, the second one-way throttle valve of group are connected with hydraulic executer respectively, the output shaft and liquid of hydraulic executer
Dynamic butterfly valve connection；Pressure sensor is connected on the oil circuit between the first accumulator and the first current limliting stop valve, pressure sensor
Electrically connected with controller, controller and motor, one way sequence valve, the first current limliting stop valve, the second current limliting stop valve, 3-position 4-way
Magnetic valve electrically connects.
Preferably, in addition to manual solenoid directional control valve, manual solenoid directional control valve are connected on the first accumulator and the first current limliting
On oil circuit between stop valve, and in parallel with one way sequence valve, manual solenoid directional control valve, one way sequence valve with controller Electricity Federation
Connect.
Preferably, lower hydraulic fluid port one pressure gauge of series connection of electromagnetic relief valve.
Preferably, the first accumulator and the second accumulator are each connected one group of safe valve group of accumulator.
Preferably, hydraulic executer is gear-tooth bar formula hydraulic cylinder.
More hydraulic butterfly valves of the present invention open and close control hydraulic control system, and hydraulic system uses redundancy design method,
Distinguish control section hydraulic butterfly valve using two hydraulic pressure pump groups standby each other, limit is set on every hydraulic pressure pump group Drainage pipe
Stop valve is flowed, by being controlled by the coupling of the Hydraulic Elements such as solenoid directional control valve, solving each hydraulic butterfly valve, certain part goes out in systems
Interactive controlling problem under the state of emergency of existing failure, improve the more butterfly valve remote control system reliabilities of hydraulic-driven, security.
The beneficial effects of the invention are as follows：Meet the field control function of more hydraulic butterfly valves, surging for hydraulic system driving is held
Row device performs rapid reaction, hydraulic executer integration degree height, and the redundancy of hydraulic circuit is set, and makes hydraulic butterfly valve in systems
Interactive controlling problem under the state of emergency that certain part breaks down.Because the hydraulic circuit of the present invention uses throttle grverning system
System, so hydraulic pump uses constant-pressure variable oil pump feed；When constant pressure variable displacement pump is the hydraulic executer feed flow on system oil-way, liquid
Press pump supplies flow to be adapted with the flow needed for hydraulic executer, can reduce the heating of power loss and hydraulic oil liquid, relatively passes
The hydraulic system of system to save and environmental protection.Therefore the present invention the more butterfly valve remote control systems of hydraulic-driven have preferable novelty and
The higher market competitiveness.
Brief description of the drawings
Fig. 1 is the functional-block diagram that more hydraulic butterfly valves of the present invention open and close control hydraulic control system.
Fig. 2 is the structure chart that more hydraulic butterfly valves of the present invention open and close control hydraulic control system.
Description of reference numerals is as follows：
1- liquid cases；2- suction filters；3- constant pressure variable displacement pumps；4- motors；5- electromagnetic relief valves；6- check valves；7- pressure
Table；81- the first current limliting stop valves；82- the second current limliting stop valves；9- pressure sensors；The safe valve group of the accumulators of 101- first；
The safe valve group of the accumulators of 102- second；The accumulators of 111- first；The accumulators of 112- second；12- one way sequence valves；13- is electric manually
Magnetic reversal valve；14- three position four-way electromagnetic valves；The hydraulic control one-way valves of 151- first；The hydraulic control one-way valves of 152- second；161- first is unidirectional
Choke valve；The one-way throttle valves of 162- second；17- hydraulic executers；18- butterfly valves；19- 3-position 4-way motor valves；20- manual-operated emergents
Pump.
Embodiment
Below in conjunction with the accompanying drawings and specific embodiment the present invention is further illustrated, but protection scope of the present invention is simultaneously
Not limited to this.
As shown in figure 1, more hydraulic butterfly valves of the present invention open and close control hydraulic control system, including controller, hydraulic pressure
Pumping plant, accumulator group, current limliting stop valve, pressure sensor 9, solenoid valve block, hydraulic executer 17, butterfly valve 18.Hydraulic power unit, storage
It can be connected between device group, current limliting stop valve, pressure sensor 9, solenoid valve block, hydraulic executer 17 by stainless steel hydraulic oil pipeline
Carry out delivery hydraulic pressure oil and transmit hydraulic coupling, realize the work of Hydraulic Elements；It is then to pass through machinery between hydraulic executer 17 and butterfly valve 18
Drive connection.Redundancy structure is used in the present invention, the quantity of hydraulic power unit is two；In order to realize the unlatching of multiple butterfly valves 18,
The solenoid valve block, hydraulic executer 17, the quantity of butterfly valve 18 are multiple and quantity is equal.
More hydraulic butterfly valves of the present invention open and close the concrete structure of control hydraulic control system as shown in Fig. 2 the liquid
Press pump station includes constant pressure variable displacement pump 3, motor 4, and constant pressure variable displacement pump 3 as hydraulic medium and passes through imbibition using fire retardant fluid
Filter 2 connects with liquid case 1, the output shaft of motor 4 and the input axis connection of constant pressure variable displacement pump 3.Accumulator group includes the first accumulation of energy
Device 111, the second accumulator 112, the safe valve group 101 of the first accumulator, the safe valve group 102 of the second accumulator, the first accumulator 111
Valve group 101 safe with the first accumulator parallel connection of valve group 102 safe with the second accumulator 112, the second accumulator connected after connecting.
First accumulator 111, the second accumulator 112 also connect with the first current limliting stop valve 81, the second current limliting stop valve 82 respectively, and first
It is in series with oil circuit between accumulator 111, the second accumulator 112 and the first current limliting stop valve 81, the second current limliting stop valve 82
One way sequence valve 12.The constant pressure variable displacement pumps 3 of two hydraulic power units respectively with the first accumulator 111, the second accumulator 112, the
One current limliting stop valve 81, the second current limliting stop valve 82 connect.The accumulator 111 of constant pressure variable displacement pump 3 and first, the second accumulator 112
Between be sequentially provided with check valve 6, overflow valve.The solenoid valve block includes three position four-way electromagnetic valve 14, the first hydraulic control one-way valve
1511st, the second hydraulic control one-way valve 152, the first one-way throttle valve 161, the second one-way throttle valve 162, the three position four-way electromagnetic valve
14 are sequentially connected in series with the first hydraulic control one-way valve 151, the first one-way throttle valve 161, and second hydraulic control one-way valve 152 and second is single
It is in parallel with the first hydraulic control one-way valve 151, the first one-way throttle valve 161 after being connected to choke valve 162.Three of the solenoid valve block
Outlet line of two hydraulic fluid ports of four way solenoid valve 14 respectively with the first current limliting stop valve 81, the second current limliting stop valve 82 is connected；
The first one-way throttle valve 161, the second one-way throttle valve 162 of solenoid valve block are connected with hydraulic executer 17 respectively, execution of surging
Device 17 is gear-tooth bar formula hydraulic cylinder, and the output shaft of hydraulic executer 17 is connected with butterfly valve 18.Pressure sensor 9 is connected on
On oil circuit between one accumulator 111 and the first current limliting stop valve 81, pressure sensor 9 electrically connects with controller, controller with
Motor 4, one way sequence valve 12, the first current limliting stop valve 81, the second current limliting stop valve 82, three position four-way electromagnetic valve 14 electrically connect.
In the more butterfly valve remote control systems of the hydraulic-driven, two hydraulic power units are standby each other, with a wherein hydraulic pump
Exemplified by standing, motor 4 is by exporting the input shaft of axis connection constant pressure variable displacement pump 3 come drive control constant pressure variable displacement pump 3.Constant pressure variable displacement pump 3
By oil absorption filter from liquid case 1 draw oil liquid, constant pressure variable displacement pump 3 export high-voltage oil liquid, on the one hand to first limit
Stop valve 81, the delivery hydraulic pressure fluid of the second current limliting stop valve 82 are flowed, on the other hand to the first accumulator 111, the second accumulator 112
Middle input hydraulic pressure fluid.First accumulator 111 and the second accumulator 112 play auxiliary power source, the He of the first accumulator 111
Second accumulator 112 has the unnecessary hydraulic energy of the storage output of constant pressure variable displacement pump 3 and in the stopping process of motor 4 by storage
The function of driving butterfly valve actuator is realized in hydraulic energy release, therefore can effectively be saved energy resource consumption and be improved the work(in the life-span of motor 4
Energy.Particularly, the first accumulator 111 and the relevant connection hydraulic circuit of the second accumulator 112 are parallel form, to realize that redundancy is set
Put, can be realized when component wear can not use in a wherein accumulator loop supplement of another set accumulator with it is standby.
The effect of check valve 6 in hydraulic circuit is that to limit the flow direction of hydraulic oil liquid be one direction to prevent fluid from reversely flowing into.Pressure
Sensor 9 monitors the pressure of the output fluid of constant pressure variable displacement pump 3 and sends the pressure value measured to controller in real time.Work as perseverance
When the pressure of the output fluid of pressure variable amount pump 3 reaches the maximum pressure set by pressure sensor 9, pressure sensor 9 is to control
Device sends signal, and controller makes motor 4 out of service after receiving signal.Two groups of first accumulators 111 in parallel and the second accumulation of energy
Device 112 starts after motor 4 is out of service to the first current limliting stop valve 81 and the feed flow of the second current limliting stop valve 82；Oil in oil circuit
When pressure is less than the volume pressure of the first accumulator 111, single-phase sequence valve 12 is closed, and the fluid closing in the first accumulator 111 is not
It is supplied to hydraulic circuit.The volume pressure of first accumulator 111 is the hydraulic oil for having in the first accumulator 111 half volume
Hydraulic fluid pressure during liquid, now, only the second accumulator 112 is supplied the first current limliting stop valve 81 and the second current limliting stop valve 82
Liquid；When the output oil liquid pressure of the second accumulator 112 drops to the minimum critical pressure value set by pressure sensor 9, by pressing
Force snesor 9 is signaled to controller, and controller controlled motor 4 is again started up, and constant-pressure variable hydraulic pump 6 is limited first again
Flow stop valve 81, the second current limliting stop valve 82 and the first accumulator 111, the delivery hydraulic pressure of the second accumulator 112 oil；Work as constant-pressure variable
When the output oil liquid pressure of hydraulic pump reaches set pressure value, the first motor 4 is shut down again, and process moves in circles successively.The
After hydraulic oil liquid in one current limliting stop valve 81 and the second current limliting stop valve 82 flows into each electromagnetic valve component, through 3-position 4-way electromagnetism
Valve 14 is flowed into hydraulic executer 17, by controlling three position four-way electromagnetic valve 14 to make each 17 positive and negative work of hydraulic executer, is driven
Dynamic butterfly valve 18.
It is described such as when a constant pressure variable displacement pump 3 breaks down or the leakage of the main feed liquid pipeline in its rear portion is excessive or it is damaged to occur
Controller automatically cuts off the main feed liquid pipeline at the rear portion of constant pressure variable displacement pump 3, and its hydraulic executer 17 controlled changes by another automatically
One hydraulic power unit feed flow.Controller controls the motor 4 of another hydraulic power unit kind to start, and driving constant pressure variable displacement pump 3 is from liquid case 1
Draw oil, hydraulic oil is by the one side of check valve 6 to the first current limliting stop valve 81, the delivery hydraulic pressure of the second current limliting stop valve 82
Liquid, on the other hand into the first accumulator 111, the second accumulator 112, input hydraulic pressure is oily.
The output end of constant-pressure variable hydraulic pump 6 access electromagnetic relief valve 5 plays the safe valve action of overflow protection, constant-pressure variable
The pressure that pump 3 inputs oil circuit can be adjusted by overflow valve, prevent the too high infringement hydraulic component of hydraulic fluid pressure.Electromagnetism overflows
One pressure gauge 7 of the top of valve 5 series connection is flowed, can intuitively observe the pressure state in hydraulic oil pipeline, therefore can be according to pressure oil
Pressure command pressure size.
Because patent hydraulic circuit of the present invention uses throttle grverning control mode, so hydraulic pump uses constant pressure variable displacement pump 3
Fuel feeding；When constant pressure variable displacement pump 3 is 17 feed flow of hydraulic executer on system oil-way, hydraulic pump supplies flow and hydraulic executer
Flow needed for 17 is adapted, and can reduce the heating of power loss and hydraulic oil liquid.
It is preferred that the more butterfly valve remote control systems of hydraulic-driven of the present invention, in addition to manual solenoid directional control valve 13, manually
Solenoid directional control valve 13 is connected on the oil circuit between the first accumulator 111 and the first current limliting stop valve 81, and and one way sequence valve
12 is in parallel with manual solenoid directional control valve 13, and manual solenoid directional control valve 13 electrically connects with controller.One way sequence valve 1212 is simultaneously united
Dynamic solenoid directional control valve 13, if two constant pressure variable displacement pumps 3 break down or damaged, can open manual solenoid directional control valve 13, deposit
There is the first accumulator 111 of half volume pressure liquid to the rear portion oil circuit feed flow of the first current limliting stop valve 81, to ensure butterfly of respectively surging
Valve 18 can be turned on and off exceeding once.
Three position four-way electromagnetic valve 14 is sent by controller and instructs the function of realizing that oil circuit commutates, and makes each hydraulic executer 17
Positive and negative work；If the electromagnet dead electricity on three position four-way electromagnetic valve 14 is in middle position state, hydraulic executer 17 stops work
Make.
First accumulator 111 and the second accumulator 112 are each connected the safe valve group 10 of one group of accumulator, are played to first
During 111 and second 112 high pressure conditions of accumulator of accumulator, automatic cutoff circuit protects the first accumulator 111 and the second accumulator
112 effect.
The structure of hydraulic executer 17 is mainly gear-tooth bar formula hydraulic cylinder, accesses electromagnetic valve component.Electromagnetic valve component is
By three position four-way electromagnetic valve 14, the first hydraulic control one-way valve 151, the second hydraulic control one-way valve 152, the first one-way throttle valve 161, second
One-way throttle valve 162 is sequentially connected in series.When controller needs the work of hydraulic executer 17, send electric signal startup motor 4 and transport
Turn, hydraulic oil flows into hydraulic executer 17, the Positive work of hydraulic executer 17 by electromagnetic valve component.Controller sends signal and opened
Opening solenoid directional control valve 24 makes fluid enter from A2 mouths, and the hydraulic oil liquid passes through the first fluid-control one-way and the first one-way throttle valve 161
Into the left chamber of hydraulic executer 17；Hydraulic oil in the right chamber of hydraulic executer 17 is from the second one-way throttle valve 162 and second
Hydraulic control one-way valve 152, discharged from fluid mouth B2 outlets, hydraulic executer 17 realizes that Positive work works during this.Work as liquid
When dynamic actuator 17 needs the antiport to work, controller sends instruction, and solenoid directional control valve 24 commutates, and hydraulic oil enters from B2 hydraulic fluid ports
Enter, A2 hydraulic fluid port oil returns.First one-way throttle valve 161 and the second one-way throttle valve 162 are respectively in 17 positive and negative motion of hydraulic executer
When oil return line on work, be meter out speed control loop；The adjustable circulation area size of one-way throttle valve 16, so as to adjust
Hydraulic executer 17 opens and closes velocity of rotation；When it is the state disconnected that three position four-way electromagnetic valve 14, which is in middle position, the first hydraulic control list
Hydraulic executer 17 is locked to the hydraulic control one-way valve 152 of valve 151 and second, prevents the hydraulic oil in actuator cylinder from flowing back.
When being in an emergency, such as situations such as hydraulic circuit fault or power failure, it can be used motor-driven by 3-position 4-way
The pressure measuring tie-in on emergency pump component access hydraulic executer 17 that valve 19 and manual-operated emergent pump 20 form, carries out manual oil supply
Driving hydraulic executer 17 operates, and operation 3-position 4-way motor valve 19 can realize manual reverse of direction, operate the manual pumpable of emergency pump 20
Enter hydraulic oil.
The embodiment is preferred embodiment of the invention, but the present invention is not limited to above-mentioned embodiment, not
Away from the present invention substantive content in the case of, those skilled in the art can make it is any it is conspicuously improved, replace
Or modification belongs to protection scope of the present invention.
Claims (5)
1. a kind of more hydraulic butterfly valves open and close control hydraulic control system, it is characterised in that including two hydraulic power units, accumulators
Group, current limliting stop valve, pressure sensor (9), multiple solenoid valve blocks, controller, multiple hydraulic executers (17), multiple butterflies of surging
Valve；The hydraulic power unit includes constant pressure variable displacement pump (3), motor (4), and constant pressure variable displacement pump (3) is situated between using fire retardant fluid as hydraulic pressure
Matter and connected by suction filter (2) with liquid case (1), the output shaft of motor (4) connects with the input shaft of constant pressure variable displacement pump (3)
Connect；Accumulator group includes the first accumulator (111), the second accumulator (112), the safe valve group of the first accumulator (101), the second storage
Can the safe valve group of device (102), the first accumulator (111) connected with the safe valve group of the first accumulator (101) after with connect second
Accumulator (112), the safe valve group of the second accumulator (102) are in parallel；First accumulator (111), the second accumulator (112) are also distinguished
Connected with the first current limliting stop valve (81), the second current limliting stop valve (82), the first accumulator (111), the second accumulator (112) with
One way sequence valve (12), two liquid are in series with oil circuit between first current limliting stop valve (81), the second current limliting stop valve (82)
The constant pressure variable displacement pump (3) at press pump station respectively with the first accumulator (111), the second accumulator (112), the first current limliting stop valve
(81), the second current limliting stop valve (82) connects, constant pressure variable displacement pump (3) and the first accumulator (111), the second accumulator (112) it
Between be sequentially provided with check valve (6), overflow valve；The solenoid valve block includes three position four-way electromagnetic valve (14), the first hydraulic control one-way valve
(151), the second hydraulic control one-way valve (152), the first one-way throttle valve (161), the second one-way throttle valve (162), described three four
Three-way electromagnetic valve (14) is sequentially connected in series with the first hydraulic control one-way valve (151), the first one-way throttle valve (161), the second hydraulic control list
After being connected to valve (152) with the second one-way throttle valve (162) with the first hydraulic control one-way valve (151), the first one-way throttle valve (161)
It is in parallel；Two hydraulic fluid ports of the three position four-way electromagnetic valve (14) of the solenoid valve block respectively with the first current limliting stop valve (81), second
The outlet line connection of current limliting stop valve (82)；The first one-way throttle valve (161), the second one-way throttle valve of solenoid valve block
(162) it is connected respectively with hydraulic executer (17), the output shaft of hydraulic executer (17) is connected with hydraulic butterfly valve；Pressure sensor
(9) it is connected on the oil circuit between the first accumulator (111) and the first current limliting stop valve (81), pressure sensor (9) and control
Device electrically connects, controller and motor (4), one way sequence valve (12), the first current limliting stop valve (81), the second current limliting stop valve
(82), three position four-way electromagnetic valve (14) electrically connects.
2. more hydraulic butterfly valves according to claim 1 open and close control hydraulic control system, it is characterised in that also include manual
Solenoid directional control valve (13), manual solenoid directional control valve (13) be connected on the first accumulator (111) and the first current limliting stop valve (81) it
Between oil circuit on, and in parallel with one way sequence valve (12), manual solenoid directional control valve (13) electrically connects with controller.
3. more hydraulic butterfly valves according to claim 1 open and close control hydraulic control system, it is characterised in that electromagnetic relief valve
(5) lower hydraulic fluid port one pressure gauge (7) of series connection.
4. more hydraulic butterfly valves according to claim 1 open and close control hydraulic control system, it is characterised in that the first accumulator
(111) and the second accumulator (112) each series connection one group of safe valve group of accumulator.
5. more hydraulic butterfly valves according to claim 1 open and close control hydraulic control system, it is characterised in that hydraulic executer
(17) it is gear-tooth bar formula hydraulic cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510512603.4A CN105114687B (en) | 2015-08-19 | 2015-08-19 | A kind of more hydraulic butterfly valves open and close control hydraulic control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510512603.4A CN105114687B (en) | 2015-08-19 | 2015-08-19 | A kind of more hydraulic butterfly valves open and close control hydraulic control system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105114687A CN105114687A (en) | 2015-12-02 |
| CN105114687B true CN105114687B (en) | 2017-12-05 |
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ID=54662740
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510512603.4A Expired - Fee Related CN105114687B (en) | 2015-08-19 | 2015-08-19 | A kind of more hydraulic butterfly valves open and close control hydraulic control system |
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| CN (1) | CN105114687B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107387852A (en) * | 2016-05-17 | 2017-11-24 | 高金龙 | Hydraulic valve remote control operation system |
| CN107940074A (en) * | 2017-12-08 | 2018-04-20 | 中国船舶重工集团公司第七〇九研究所 | A kind of marine valve hydraulic operation platform and control system |
| CN113915528A (en) * | 2021-10-28 | 2022-01-11 | 广州文冲船厂有限责任公司 | Pressure distribution system |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000160591A (en) * | 1998-11-30 | 2000-06-13 | Komatsu Ltd | Self-traveling type ditcher |
| JP2005201076A (en) * | 2004-01-13 | 2005-07-28 | Hitachi Constr Mach Co Ltd | Tilt-rotation control device of variable displacement hydraulic pump |
| CN201616616U (en) * | 2009-12-23 | 2010-10-27 | 北京海纳创为液压系统技术有限公司 | Full-hydraulic electric tension machine hydraulic system |
| CN203430877U (en) * | 2013-08-01 | 2014-02-12 | 中冶南方工程技术有限公司 | Three-level pressure control pump |
| CN104806588B (en) * | 2015-04-01 | 2017-08-25 | 广西柳工机械股份有限公司 | Dual-pump flow-converging hydraulic control system |
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- 2015-08-19 CN CN201510512603.4A patent/CN105114687B/en not_active Expired - Fee Related
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