CN104565506B - Valve is with double dynamical integrated explosion-proof electrohydraulic actuator - Google Patents
Valve is with double dynamical integrated explosion-proof electrohydraulic actuator Download PDFInfo
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- CN104565506B CN104565506B CN201510018031.4A CN201510018031A CN104565506B CN 104565506 B CN104565506 B CN 104565506B CN 201510018031 A CN201510018031 A CN 201510018031A CN 104565506 B CN104565506 B CN 104565506B
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- integrated
- valve block
- explosion
- oil
- motor
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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
- F16K31/122—Actuating devices; Operating means; Releasing devices actuated by fluid the fluid acting on a piston
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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
- F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
- F16K31/04—Actuating devices; Operating means; Releasing devices electric; magnetic using a motor
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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
- F16K37/00—Special means in or on valves or other cut-off apparatus for indicating or recording operation thereof, or for enabling an alarm to be given
- F16K37/0025—Electrical or magnetic means
- F16K37/0041—Electrical or magnetic means for measuring valve parameters
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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
- F16K37/00—Special means in or on valves or other cut-off apparatus for indicating or recording operation thereof, or for enabling an alarm to be given
- F16K37/0025—Electrical or magnetic means
- F16K37/005—Electrical or magnetic means for measuring fluid parameters
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Actuator (AREA)
Abstract
The invention discloses a kind of valve double dynamical integrated explosion-proof electrohydraulic actuator, including electric control box, two-way cylinder and hydraulic power unit；The two-way cylinder is provided with the pressure sensor of the displacement transducer and detection pressure for detecting piston displacement, and two-way cylinder drives stretching motion by hydraulic power unit；Described hydraulic power unit is the conglomerate of motor, pump, integrated package, flow match valve block, pipeline etc., valve of the invention is with double dynamical integrated explosion-proof electrohydraulic actuator, oil cylinder carries displacement and pressure detecting, for the double-closed-loop control for realizing high accuracy positioning creates conditions, using modularized design, function distribution rationally, improves integration degree and explosion-proof performance.
Description
Technical field
The present invention relates to a kind of electrohydraulic actuator, more particularly to a kind of valve is with double dynamical integrated explosion-proof electro-hydraulic execution machine
Structure.
Background technology
Valve actuator as a kind of power set, combine pneumatic, hydraulic pressure, machine driving, control, electromechanics, computer,
The technologies such as communication, position that can be quickly and stably to valve carries out precise control, has been widely used in oil, electric power, water
The driving part of the field valves such as profit, metallurgy, papermaking, space flight, pipeline, petrochemical industry, industrial equipment, food processing.Electro-hydraulic actuator
It is more conventional one kind in actuator, is generally used for that speed is fast, big, control accuracy of exerting oneself occasion high, upper control system
System issues instructions to executing agency, and actuating mechanism controls hydraulic power system drives valve to do linear movement, at the same time, performs
Mechanism must also real-time detection valve load, the various failures of intelligent diagnostics valve.In the market using most electro-hydraulic
Actuator is servo valve control formula electro-hydraulic actuator, using open-circuit hydraulic system, by controlling servo valve regulation hydraulic oil
Flow direction and uninterrupted, realize regulation to controlled device, but have that cable exposes, integration degree is low, explosion-proof performance
Poor technical problem.
The content of the invention
In view of this, used with double dynamical integrated explosion-proof electrohydraulic actuator it is an object of the invention to provide a kind of valve
Modularized design, function distribution rationally, to realize that closed-loop control creates conditions, improves integration degree and explosion-proof performance.
Valve of the invention with double dynamical integrated explosion-proof electrohydraulic actuator, including electric control box, two-way cylinder and
Hydraulic drive mechanism；The two-way cylinder is provided with the displacement transducer for detecting piston displacement；Two-way cylinder is by liquid
Pressure drive mechanism drives stretching motion；
Further, the hydraulic drive mechanism includes integrated valve block and is installed on the motor and oil of integrated valve block
Pump；Electric control box includes casing and the electrical equipment being installed in casing；The casing and integrated valve block are fixedly installed in
The cylinder seat of two-way cylinder, the holding wire and motor control line of displacement transducer are along cylinder seat internal wiring；
Further, the oil pump is fixed on integrated valve block top, and motor is fixed on integrated valve block bottom；The hydraulic pressure
Drive mechanism also includes that correspondence covers in oil pump and motor outside and is fixed on the fuel tank and motor anti-explosion cover of integrated valve block；
Further, the hydraulic drive mechanism also include rotation flame proof sleeve, oil sealing, liquid level plug, flow matching module,
Safe valve module and valve group protective cover；Oil pump sets two altogether, and one is acceleration pump, and another is pump of exerting oneself, and acceleration pump is responsible for
Speed is provided, pump of exerting oneself is responsible for providing power, and motor is also provided with two and drives two oil pumps to be formed correspondingly
The power hydraulic system of a set of collaborative work, the output shaft of motor is connected in corresponding oil by corresponding oil pump shaft
The input shaft of pump, oil pump shaft passes vertically through integrated valve block, and rotation esplosion isolating cover jacket casing is in oil pump shaft outside and is fixed on integrated valve block,
Oil sealing is located between oil pump shaft and integrated valve block to be used to isolate fuel tank inner chamber with motor anti-explosion cover inner chamber；The liquid level plug is consolidated
Due to top of oil-tank；The flow matching module and safe valve module are fixed on integrated valve block side；Valve group protective cover covers in stream
Measure matching module and safety valve module-external and be fixed on integrated valve block；
Further, the pressure sensor for detecting work cavity pressure is additionally provided with the two-way cylinder；The pressure
Force snesor and displacement transducer are both secured to the cylinder seat of two-way cylinder；It is fixed with cylinder seat and covers in pressure sensor and displacement
The anti-explosion cover of sensor external；
Further, the cylinder seat of the two-way cylinder is internal is provided with for arranging pressure sensor signal line, displacement sensing
The routing hole of device holding wire and motor control line；
Further, the routing hole in the cylinder seat is respectively and fixedly provided with flame proof sleeve with casing and integrated valve block joint；
Further, the hydraulic drive mechanism also include be installed on integrated valve block for for two-way cylinder provides high pressure
The manual pump of fluid and the switching switch switched between manual actuation mode and motorized motions mode；
Further, the casing is provided with openable case lid, and the electrical equipment in casing is included for receiving double acting oil
Pressure signal, the controller of motor tach signal in cylinder displacement signal, two-way cylinder working chamber, it is connected to controller letter
The OLED man-machine displays device of number output end and it is connected to the guidance panel of controller signals input；
Further, it is fixed with hanger on the integrated valve block.
The beneficial effects of the invention are as follows：Valve of the invention is carried with double dynamical integrated explosion-proof electrohydraulic actuator, oil cylinder
Displacement detecting, to realize that closed-loop control creates conditions, using modularized design, function distribution rationally, improve integration degree and
Explosion-proof performance.
Brief description of the drawings
Fig. 1 is structural representation of the invention；
Fig. 2 is the A-A sectional views of Fig. 1；
Fig. 3 is the B-B sectional views of Fig. 1；
Fig. 4 is axonometric drawing of the invention；
Fig. 5 is hydraulic drive mechanism structural representation；
Fig. 6 is the top view of Fig. 5.
Specific embodiment
Fig. 1 is structural representation of the invention；Fig. 2 is the A-A sectional views of Fig. 1；Fig. 3 is the B-B sectional views of Fig. 1；Fig. 4 is
Axonometric drawing of the invention, Fig. 5 is hydraulic drive mechanism structural representation；Fig. 6 is the top view of Fig. 5, as shown in the figure：The present embodiment
Valve double dynamical integrated explosion-proof electrohydraulic actuator, including electric control box 1, two-way cylinder 2 and hydraulic drive mechanism
3；The two-way cylinder 2 is provided with the displacement transducer 4 for detecting piston displacement；Two-way cylinder 2 is hydraulically operated machine
Structure 3 drives stretching motion, is made up of electric control box 1, two-way cylinder 2 and the big module assembled of hydraulic drive mechanism 3 three, uses
Modularized design, rationally, oil cylinder carries displacement detecting to function distribution, to realize that closed-loop control creates conditions, improves integrated journey
Degree and explosion-proof performance.
In the present embodiment, the hydraulic drive mechanism 3 includes integrated valve block 5 and is installed on the driving electricity of integrated valve block 5
Machine and oil pump；Electric control box 1 includes casing 6 and the electrical equipment 7 being installed in casing 6；The casing 6 and integrated valve block 5
Be fixedly installed in the cylinder seat 8 of two-way cylinder 2, the holding wire and motor control line of displacement transducer 4 along cylinder seat 8 inside
Wiring, using modularized design, function distribution rationally, is easy to assembling, and integration degree is high, built-in cabling, and nothing exposes cable
Line, system explosion-proof performance is good.
In the present embodiment, the oil pump is fixed on the top of integrated valve block 5, and motor is fixed on the bottom of integrated valve block 5；Institute
Stating hydraulic drive mechanism 3 also includes that correspondence covers in oil pump and motor outside and is fixed on the fuel tank 9 and motor of integrated valve block 5
Anti-explosion cover 10, oil pump sets two altogether, and one is acceleration pump, and another is pump of exerting oneself, and motor is also provided with two and one
The one corresponding power hydraulic system for driving two oil pumps to form a set of collaborative work, receives the speed control of electric control box 1
Signal processed, is the big flow supply that cylinder part is provided, in positioning stage, there is provided low discharge supply ensures when quickly moving
Accurate positioning, setting fuel tank 9 and motor anti-explosion cover 10 makes hydraulic power supply totally-enclosed, and explosion-proof is good.
In the present embodiment, the hydraulic drive mechanism also includes rotation flame proof sleeve 18, oil sealing 19, liquid level plug 20, stream
Amount matching module 21, safe valve module 22 and valve group protective cover 23；Oil pump sets two altogether, and one is acceleration pump 24, another
It is pump 25 of exerting oneself, acceleration pump is responsible for providing speed, pump of exerting oneself is responsible for providing power, motor is also provided with two and one a pair
Two oil pumps of the driving answered form the power hydraulic system of a set of collaborative work, and the output shaft of motor is by corresponding oil
Pump shaft 26 is connected in the input shaft of corresponding oil pump, and oil pump shaft 26 passes vertically through integrated valve block 5, and rotation flame proof sleeve 18 is placed on
Integrated valve block 5 is simultaneously fixed in the outside of oil pump shaft 26, and oil sealing 19 is located between oil pump shaft 26 and integrated valve block 5 to be used in fuel tank 9
Chamber isolates with the inner chamber of motor anti-explosion cover 10；The liquid level plug 20 is fixed on the top of fuel tank 9；The flow matching module 21 and peace
Full valve module 22 is fixed on the side of integrated valve block 5；Valve group protective cover 23 is covered in outside flow matching module 21 and safe valve module 22
Integrated valve block 5 is simultaneously fixed in portion；The motor for driving the work of pump 25 of exerting oneself is force motor 27, drives the motor of the work of acceleration pump 24
To accelerate motor 28, double dynamical unit to cooperate, the perfect adaptation that realization is quickly and precisely positioned；Motor is located in anti-explosion cover
Portion, motor cable is connected by cable flame proof passage 29 with electric cabinet, and fuel tank 9 is located at upside, and rotation flame proof sleeve 18 ensure that
The flame proof requirement in electric chamber, multi-layer sealed measure ensure that the sealing of fuel tank 9；Fuel tank 9 belongs to total closed type fuel tank, system pressure
Power autobalance is designed, and not with atmosphere, it is ensured that fluid long-term use is not aoxidized, improves the service life of hydraulic oil,
Maintenance free；Flow matching module 21 is located inside valve group chamber, is fully sealed, and its effect is：Coordinate two strands of double dynamical module to move
The uniformity of power, control cylinder such as accelerates, slows down, being accurately positioned, commutating at the action, can autobalance internal leakage, it may have single
To the reverse self-locking function of valve；Also inside valve group chamber, its effect is safe valve module 22：Regulating system maximum pressure, realizes most
High pressure is protected, and prevents motor overload；The function of manual pump 15：When system dead electricity or inconvenient electric operating, manually grasp
Make, control cylinder is moved back and forth；Pressure oil port A30 and pressure oil port B31 are connected with two chambers of oil cylinder respectively, respectively control cylinder
Stretch out and return action, multi-layer sealing structure, it is ensured that good sealing；Cube structure layout integrated valve block 5 be both
The passage that fluid is flowed through is also the erection support of all elements, and manual pump is located at leading flank, and valve group is located at side, and two motors are located at
Downside, fuel tank 9 is located at top, and oil circuit and circuit path are located at left side, and cleaning and jettison gear are located at right side.
In the present embodiment, the pressure sensor 11 for detecting work cavity pressure is additionally provided with the two-way cylinder 2；
The pressure sensor 11 and displacement transducer 4 are both secured to the cylinder seat 8 of two-way cylinder 2；It is fixed with cylinder seat 8 and covers in pressure
Anti-explosion cover 12 outside sensor 11 and displacement transducer 4, oil cylinder carries displacement and pressure detecting, and integrated level is high, is closed loop control
System creates conditions, and improves explosion-proof performance.
In the present embodiment, be provided with inside the cylinder of the two-way cylinder 2 seat 8 for arrange the holding wire of pressure sensor 11,
The routing hole 13 of the holding wire of displacement transducer 4 and motor control line, built-in cabling, without cable is exposed, system is explosion-proof
Performance is good.
In the present embodiment, the routing hole 13 in the cylinder seat 8 is respectively and fixedly provided with flame proof with casing 6 and the joint of integrated valve block 5
Sleeve 14, cylinder seat 8 is equipped with the hydraulic air being surrounded on outside corresponding flame proof sleeve 14 to the interface of casing 6 and integrated valve block 5
Employ O shape rubber seal；Further improve explosion-proof performance.
In the present embodiment, the hydraulic drive mechanism 3 also include be installed on integrated valve block 5 for being two-way cylinder 2
The switching switch 16 for the manual pump 15 of high-voltage oil liquid being provided and being switched between manual actuation mode and motorized motions mode；Can be
In the case of there is no external power source, the purpose of manually control actuator action is realized.
In the present embodiment, the casing 6 is provided with openable case lid, and the electrical equipment 7 in casing 6 includes double for receiving
Pressure signal, the controller of motor tach signal in the displacement signal of action oil cylinder 2, the working chamber of two-way cylinder 2, it is connected to
The OLED man-machine displays device of controller signals output end and the guidance panel for being connected to controller signals input, electrical equipment 7
The upper machine communication device also including wireless, bluetooth, infrared, bus etc..
In the present embodiment, hanger 17 is fixed with the integrated valve block 5, hydraulic drive mechanism 3 can be lifted, be easy to
Assemble and use.
Finally illustrate, the above embodiments are merely illustrative of the technical solutions of the present invention and it is unrestricted, although with reference to compared with
Good embodiment has been described in detail to the present invention, it will be understood by those within the art that, can be to skill of the invention
Art scheme is modified or equivalent, and without deviating from the objective and scope of technical solution of the present invention, it all should cover at this
In the middle of the right of invention.
Claims (8)
1. a kind of valve is with double dynamical integrated explosion-proof electrohydraulic actuator, it is characterised in that：Including electric control box, double acting oil
Cylinder and hydraulic drive mechanism；The two-way cylinder is provided with the displacement transducer for detecting piston displacement；Two-way cylinder
It is hydraulically operated mechanism and drives stretching motion；The hydraulic drive mechanism includes integrated valve block and is installed on the drive of integrated valve block
Dynamic motor and oil pump；Electric control box includes casing and the electrical equipment being installed in casing；The casing and integrated valve block are equal
The cylinder seat of two-way cylinder is fixedly installed in, the holding wire and motor control line of displacement transducer are along cylinder seat internal wiring；
The hydraulic drive mechanism also includes rotation flame proof sleeve, oil sealing, liquid level plug, flow matching module, safe valve module and valve
Group protective cover；Oil pump sets two altogether, and one is acceleration pump, and another is pump of exerting oneself, and acceleration pump is responsible for providing speed, pump of exerting oneself
It is responsible for providing power, motor is also provided with two and drives two oil pumps to form the double of a set of collaborative work correspondingly
Dynamic hydraulic system, the output shaft of motor is connected in the input shaft of corresponding oil pump, oil pump by corresponding oil pump shaft
Axle passes vertically through integrated valve block, and rotation esplosion isolating cover jacket casing is in oil pump shaft outside and is fixed on integrated valve block, and oil sealing is located at oil pump shaft
It is used to isolate fuel tank inner chamber with motor anti-explosion cover inner chamber between integrated valve block；The liquid level plug is fixed on top of oil-tank；
The flow matching module and safe valve module are fixed on integrated valve block side；Valve group protective cover covers in flow matching module and peace
Full valve module-external is simultaneously fixed on integrated valve block.
2. valve according to claim 1 is with double dynamical integrated explosion-proof electrohydraulic actuator, it is characterised in that：The oil pump
Integrated valve block top is fixed on, motor is fixed on integrated valve block bottom；The hydraulic drive mechanism also includes that correspondence is covered in
The fuel tank and motor anti-explosion cover of integrated valve block are simultaneously fixed in oil pump and motor outside.
3. valve according to claim 2 is with double dynamical integrated explosion-proof electrohydraulic actuator, it is characterised in that：The double cropping
With the pressure sensor being additionally provided with oil cylinder for detecting work cavity pressure；The pressure sensor and displacement transducer are solid
Due to the cylinder seat of two-way cylinder；The anti-explosion cover covered in outside pressure sensor and displacement transducer is fixed with cylinder seat.
4. valve according to claim 3 is with double dynamical integrated explosion-proof electrohydraulic actuator, it is characterised in that：The double cropping
It is provided with for arranging pressure sensor signal line, displacement transducer signal line and motor control line with the cylinder seat of oil cylinder is internal
Routing hole.
5. valve according to claim 4 is with double dynamical integrated explosion-proof electrohydraulic actuator, it is characterised in that：The cylinder seat
Interior routing hole is respectively and fixedly provided with flame proof sleeve with casing and integrated valve block joint.
6. valve according to claim 5 is with double dynamical integrated explosion-proof electrohydraulic actuator, it is characterised in that：The hydraulic pressure
Drive mechanism also includes being installed on the manual pump for providing high-voltage oil liquid for two-way cylinder of integrated valve block and is driving manually
The switching switch switched between flowing mode and motorized motions mode.
7. valve according to claim 6 is with double dynamical integrated explosion-proof electrohydraulic actuator, it is characterised in that：The casing
Openable case lid is provided with, the electrical equipment in casing is included for receiving two-way cylinder displacement signal, two-way cylinder work
Make cavity pressure signal, the controller of motor tach signal, be connected to the OLED man-machine displays of controller signals output end
Device and the guidance panel for being connected to controller signals input.
8. valve according to claim 7 is with double dynamical integrated explosion-proof electrohydraulic actuator, it is characterised in that：It is described integrated
Hanger is fixed with valve block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510018031.4A CN104565506B (en) | 2015-01-14 | 2015-01-14 | Valve is with double dynamical integrated explosion-proof electrohydraulic actuator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510018031.4A CN104565506B (en) | 2015-01-14 | 2015-01-14 | Valve is with double dynamical integrated explosion-proof electrohydraulic actuator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104565506A CN104565506A (en) | 2015-04-29 |
| CN104565506B true CN104565506B (en) | 2017-06-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510018031.4A Active CN104565506B (en) | 2015-01-14 | 2015-01-14 | Valve is with double dynamical integrated explosion-proof electrohydraulic actuator |
Country Status (1)
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| CN112392798B (en) * | 2020-11-17 | 2021-10-19 | 浙江大学 | One-way load mechanical arm electro-hydraulic actuator unit for replacing single rolling cutter of shield machine |
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| US5522212A (en) * | 1994-12-21 | 1996-06-04 | Kubik; Philip A. | Rod equal displacement cylinder in a rapid transfer and feed system |
| US5944159A (en) * | 1996-11-20 | 1999-08-31 | Mannesmann Sachs Ag | Hydraulic actuating drive |
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|---|---|
| CN104565506A (en) | 2015-04-29 |
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