CN110319238A - A kind of big flow electric-hydraulic proportion commutation exciting dual-purpose valve - Google Patents
A kind of big flow electric-hydraulic proportion commutation exciting dual-purpose valve Download PDFInfo
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- CN110319238A CN110319238A CN201910715778.3A CN201910715778A CN110319238A CN 110319238 A CN110319238 A CN 110319238A CN 201910715778 A CN201910715778 A CN 201910715778A CN 110319238 A CN110319238 A CN 110319238A
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- spool
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- hydraulic fluid
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- 238000006073 displacement reaction Methods 0.000 claims abstract description 32
- 230000008859 change Effects 0.000 claims abstract description 4
- 239000012530 fluid Substances 0.000 claims description 63
- 230000008878 coupling Effects 0.000 claims description 8
- 238000010168 coupling process Methods 0.000 claims description 8
- 238000005859 coupling reaction Methods 0.000 claims description 8
- 229910000831 Steel Inorganic materials 0.000 claims description 6
- 239000007788 liquid Substances 0.000 claims description 6
- 239000010959 steel Substances 0.000 claims description 6
- 239000004020 conductor Substances 0.000 claims description 3
- 238000012360 testing method Methods 0.000 claims description 3
- 238000005516 engineering process Methods 0.000 abstract description 3
- 239000003921 oil Substances 0.000 description 25
- 239000010720 hydraulic oil Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 230000033001 locomotion Effects 0.000 description 4
- 230000001739 rebound effect Effects 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 230000005611 electricity Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 230000005284 excitation Effects 0.000 description 2
- 239000002828 fuel tank Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
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
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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
- F16K11/00—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves
- F16K11/02—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit
- F16K11/06—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only sliding valves, i.e. sliding closure elements
- F16K11/065—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only sliding valves, i.e. sliding closure elements with linearly sliding closure members
- F16K11/07—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only sliding valves, i.e. sliding closure elements with linearly sliding closure members with cylindrical slides
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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
- F16K11/00—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves
- F16K11/02—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit
- F16K11/08—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only taps or cocks
- F16K11/085—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only taps or cocks with cylindrical plug
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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
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
Abstract
The invention discloses a kind of big flow electric-hydraulic proportion commutation exciting dual-purpose valves, including Spool rotating formula proportional reversing valve component, hydraulic directional valve component and microprocessor, Spool rotating formula proportional reversing valve component includes secondary valve body, secondary valve pocket, secondary spool, rotating electric machine and linear motor, and the present invention relates to hydraulic valve technologies.Big flow electric-hydraulic proportion commutation exciting dual-purpose valve, structure is relatively easy, change the matching relationship between the first arc incision and the second arc incision and the arc-shaped protrusions block for being fixedly connected on the limit sleeve inner wall on the right end shoulder of the secondary spool, make it can zero setting, possess two-stage axial displacement, the first order, which is displaced, can be achieved ratio commutating mode, the second level, which is displaced, can be achieved exciting commutating mode, it can be advantageously applied in big flow exciting hydraulic system, the forward displacement of the revolving speed and linear motor that rotating electric machine can be controlled by ratio simultaneously carries out high-precision proportion adjustment to its vibration frequency and vibration amplitude.
Description
Technical field
The present invention relates to hydraulic valve technology, specially a kind of big flow electric-hydraulic proportion commutation exciting dual-purpose valve.
Background technique
Existing electro-hydraulic proportional valve is using ratio control technology, between switch type hydraulic valve and electrohydraulic servo valve
A kind of Hydraulic Elements, electro-hydraulic proportional valve can be combined with electronic control unit, can very easily to it is various input, it is defeated
Signal carries out operation and processing out, realizes complicated control function, but electro-hydraulic proportion reversing valve is by changing input ratio electricity
The electric current of magnet but to can not achieve exciting while control valve core displacement realization ratio commutation, is not able to satisfy certain big flows and swashs
The requirement for hydraulic system of shaking.
Although existing electrohydraulic servo valve is got well than electro-hydraulic proportional valve in certain aspect of performance, excitation valve also can be used as
Use, but having a defect is exactly that adjusting to vibration amplitude is very difficult, there is certain limitation, and it structure is complicated,
The accuracy of manufacture requires and price is all apparently higher than electro-hydraulic proportional valve, and resistance tocrocking is also poor, so being not widely deployed for flowing greatly
It measures in the middle of exciting hydraulic system.
Although wherein existing rotary valve reversal valve is as excitation valve in use, the adjusting phase of its vibration frequency and vibration amplitude
To being easy, but it is to make the high speed commutation of its liquid stream to realize exciting by motor band movable valve plug continuous rotation, so depositing
A problem be exactly can not zero setting, i.e. position in commutation, therefore cannot achieve ratio commutation control.
Although existing solenoid directional control valve structure is simple, manufacturing cost is low, the gain and loss electric control to electromagnet can be passed through
Realize exciting, but the adjusting of its vibration frequency and vibration amplitude is extremely difficult, control precision is not high, and cannot achieve ratio
Commutation is unable to satisfy the requirement for the big flow complex hydraulic system that certain control precision and dynamic characteristic require.
It can be seen that existing single reversal valve be not able to satisfy it is certain not only needed ratio commutate but also need exciting, have certain control
The requirement for the big flow complex hydraulic system that precision and dynamic characteristic processed require, therefore its application range has certain office
It is sex-limited.
Summary of the invention
(1) the technical issues of solving
In view of the deficiencies of the prior art, it the present invention provides a kind of big flow electric-hydraulic proportion commutation exciting dual-purpose valve, solves
Existing single reversal valve is not able to satisfy and certain not only needed ratio commutation and needed exciting, and had and centainly control precision and dynamic characteristic
It is required that big flow complex hydraulic system requirement the problem of.
(2) technical solution
In order to achieve the above object, the present invention is achieved by the following technical programs: a kind of big flow electric-hydraulic proportion commutation
Exciting dual-purpose valve, including Spool rotating formula proportional reversing valve component, hydraulic directional valve component and microprocessor, the Spool rotating
Formula proportional reversing valve component includes secondary valve body, secondary valve pocket, secondary spool, rotating electric machine, linear motor and angular transducer,
The secondary valve pocket is installed on the inside of secondary valve body, and secondary spool is installed on the inside of secondary valve pocket, the secondary spool
One end pass through shaft and shaft coupling respectively and be fixedly connected with the output shaft of rotating electric machine, the side of the secondary valve body and straight line
The side of motor is fixedly connected, and the side of linear motor is fixedly connected with motor set, and the motor set is far from linear motor
One end runs through secondary valve body and extends to the inside of secondary valve body, and motor set extends to one end and the secondary of secondary valve inner
The end thereof contacts of spool；
The hydraulic directional valve component includes main valve body, main valve pocket, main stage spool and displacement sensor, the main
Valve pocket is installed on the inside of main valve body, and main stage spool is installed on the inside of main valve pocket, inside the hydraulic directional valve
Two sides offer left pressure chamber and right pressure chamber respectively, and the inside of right pressure chamber is equipped with main spool spring, the main stage spool
One end be fixedly connected with guide and limit part compatible with main spool spring.
Preferably, the bottom of the main valve body is respectively equipped with hydraulic fluid port P, hydraulic fluid port T, hydraulic fluid port A and hydraulic fluid port B, and hydraulic fluid port P is liquid
The oil inlet of dynamic reversing valve assembly, the hydraulic fluid port T is the oil outlet of hydraulic directional valve component, and hydraulic fluid port A and hydraulic fluid port B is to surge to change
To the actuator port of valve module.
Preferably, the bottom of the secondary valve body offers oil inlet P 0, actuator port A0 and actuator port B0 respectively, and
The outside hydraulic fluid port of hydraulic fluid port A0 and hydraulic fluid port B0 is oil outlet T0, and the oil outlet T0 passes through Spool rotating formula proportional reversing valve component
Internal chamber and access be connected to the oil outlet T-phase of hydraulic directional valve component, and Spool rotating formula proportional reversing valve component
Hydraulic fluid port P0 is connected with the oil inlet P of hydraulic directional valve component, the hydraulic fluid port A0 and hydraulic fluid port B0 respectively with hydraulic directional valve component
Left pressure chamber be connected with right pressure chamber.
Preferably, the output shaft of the rotating electric machine is fixedly connected with angular transducer, and the test side of displacement sensor
It is fixedly connected with one end of main stage spool, the terminals of the microprocessor pass through conductor wire and angular transducer and displacement respectively
The terminals of sensor are electrically connected.
Preferably, one end of the shaft is fixedly connected by box coupling with one end of secondary spool, and secondary valve
The side of internal wall is fixedly connected with bearing compatible with shaft, and the leading portion of the motor set is movably installed with steel ball, and turns
It is fixedly installed with time valve spring between axis and secondary spool, limit is installed between one end and motor set of the secondary spool
Set, and limit sleeve is fixedly connected with secondary valve pocket, no relative rotation and displacement.
Preferably, the secondary spool has the freedom degree of both direction, and one is to be driven by rotating electric machine described time
Grade spool rotates in a circumferential direction, the other is driving secondary poppet shaft to movement by linear motor.
Preferably, the outer surface of the secondary spool is fixedly connected sequentially from left to right shoulder I, II, III, IV, and platform
Shoulder I, shoulder II, shoulder III and shoulder IV left side offer one group of radial opening, radial opening described in every group is along circle
Circumferential direction is arranged four, and radial opening described in two adjacent groups is mutually staggered in the axial direction, and the angle being staggered is 45 °.
Preferably, the first arc incision is offered respectively on the right end shoulder of the secondary spool and the second arc is cut
Mouthful, and the inner wall of limit sleeve is fixedly connected with arc-shaped protrusions block compatible with the first arc incision and the second arc incision.
Preferably, by the drive of the rotating electric machine and linear motor, the right end platform of the secondary spool can be changed
It the first arc incision and the second arc incision on shoulder and is fixedly connected between the arc-shaped protrusions block of the limit sleeve inner wall
Matching relationship, make its can zero setting, possess two-stage axial displacement, the first order, which is displaced, can be achieved ratio commutating mode, the second level
It moves and exciting commutating mode can be achieved, it can be switched fast according to the different job requirement of hydraulic system.
Preferably, when driving the secondary spool to move axially to the left by the linear motor, on secondary spool land
Radial opening and secondary valve cover upper window and be formed by through-flow valve port and can constantly become smaller.
(3) beneficial effect
The present invention provides a kind of big flow electric-hydraulic proportion commutation exciting dual-purpose valves.Having compared with prior art following has
Beneficial effect:
(1) big flow electric-hydraulic proportion commutation exciting dual-purpose valve, not only has the advantages that electro-hydraulic proportion reversing valve, and can be real
Existing exciting, vibration frequency and vibration amplitude can proportion adjustment, being able to satisfy certain not only needed ratio commutation and had needed exciting, has centainly
The requirement for the big flow complex hydraulic system that precision and dynamic characteristic require is controlled, which is set using two-level configuration
Meter, guide's secondary valve are Spool rotating formula proportional reversing valve, and main stage valve is hydraulic directional valve, hydraulic due to containing two-stage in valve
Power amplification, it is sufficient to overcome the hydraulic power on main valve to interfere, stability with higher, compensates for Direct Action Type when loading variation
Electro-hydraulic proportion reversing valve controls the deficiency of large-flow hydraulic system, and the exciting hydraulic system that can be widely applied to big flow is worked as
In, compared with existing electrohydraulic servo valve, the dual-purpose valve arrangement is relatively easy, the accuracy of manufacture require and price be all significantly lower than it is electro-hydraulic
Servo valve, resistance tocrocking is also preferable, and it is substantially better than electrohydraulic servo valve for the adjusting of vibration amplitude.
(2) big flow electric-hydraulic proportion commutation exciting dual-purpose valve, compared with existing rotary valve reversal valve, which is adopted
Special construction design, make its can zero setting, possess two-stage axial displacement, the first order is displaced the ratio of can be achieved commutation, second
Grade, which is displaced, can be achieved exciting, can be switched fast according to the different job requirement of hydraulic system to it, be changed with existing electromagnetism
It is compared to valve, which can realize that ratio commutates, and be substantially better than electricity for the degree of regulation of vibration frequency and vibration amplitude
Magnetic reversal valve, unlike traditional electro-hydraulic proportion reversing valve, the secondary valve and main stage valve of dual-purpose valve of the invention have valve
Nested structure, this makes its commutation control precision improve.
(3) big flow electric-hydraulic proportion commutation exciting dual-purpose valve, by dividing on the secondary valve and main stage valve of the dual-purpose valve
It has not installed angular transducer and displacement sensor additional, has constituted secondary angle-electricity feedback+main displacement-electricity feedback twin-stage electricity
Feedback system greatly improves the control precision and stability of the dual-purpose valve, while time of the main valve core of the dual-purpose valve
Position spring is since using the cooperation valve pocket design of unilateral spring, no matter which working position is the main stage spool be in, and all compressions are same in multiple
One spring, therefore, this structure do not need accurately to match two springs, so that the dual-purpose valve has higher property
Energy.
(4) big flow electric-hydraulic proportion commutation exciting dual-purpose valve, by the secondary valve for driving the dual-purpose valve in linear motor
When core moves axially to the left, radial opening and secondary valve on secondary spool land cover upper window and are formed by through-flow valve port meeting
Constantly becoming smaller, i.e., through-flow flow gradually becomes smaller, and general reversal valve becomes larger with its mobile through-flow valve port of spool,
Can be controlled simultaneously by ratio rotating electric machine revolving speed and linear motor forward displacement to its vibration frequency and vibration amplitude into
Row high-precision proportion adjustment.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is the cross-sectional view of Spool rotating formula proportional reversing valve modular construction of the present invention；
Fig. 3 is the structural schematic diagram of the secondary spool of the present invention；
Fig. 4 is the structural schematic diagram of limit sleeve of the present invention；
Fig. 5 is the sectional axonometric drawing of Spool rotating formula proportional reversing valve modular construction of the present invention；
Fig. 6 is the structural schematic diagram of the present invention secondary spool and limit sleeve；
Fig. 7 is the cross-sectional view of the present invention secondary spool and limit sleeve side.
In figure, 1 Spool rotating formula proportional reversing valve component, 2 hydraulic directional valve components, 3 microprocessors, 4 angular transducers,
5 rotating electric machines, 6 shaft couplings, 7 shafts, 8 grade valve bodies, 9 grade spools, 10 grade valve pockets, 11 motor sets, 12 linear motors, 13
Displacement sensor, 14 main valve bodies, 15 left pressure chambers, 16 main stage spools, 17 main valve pockets, 18 right pressure chambers, 19 main spool springs,
20 guide and limit parts, 21 box couplings, 22 bearings, 23 steel balls, 24 valve springs, 25 limit sleeves, 26 radial openings, 27 first
Arc incision, 28 second arc incisions, 29 arc-shaped protrusions blocks.
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.
Fig. 1-7 is please referred to, the embodiment of the present invention provides a kind of technical solution: a kind of big flow electric-hydraulic proportion commutation exciting two
With valve, including Spool rotating formula proportional reversing valve component 1, hydraulic directional valve component 2 and microprocessor 3, the hydraulic directional valve group
Part 2 is main stage valve, and Spool rotating formula proportional reversing valve component 1 is secondary valve, is applicable to big flow occasion, Spool rotating formula ratio
Example reversing valve assembly 1 includes that secondary valve body 8, secondary valve pocket 10, secondary spool 9, rotating electric machine 5, linear motor 12 and angle pass
Sensor 4, secondary valve pocket 10 is installed on the inside of secondary valve body 8, and secondary spool 9 is installed on the inside of secondary valve pocket 10, secondary
One end of spool 9 passes through shaft 7 respectively and shaft coupling 6 is fixedly connected with the output shaft of rotating electric machine 5, the side of secondary valve body 8
It is fixedly connected with the side of linear motor 12, and the side of linear motor 12 is fixedly connected with motor set 11, motor set 11 is separate
One end of linear motor 12 runs through secondary valve body 8 and extends to the inside of secondary valve body 8, and motor set 11 extends to secondary valve body
The end thereof contacts of one end and secondary spool 9 inside 8, linear motor 12 push the secondary by the associated motor set 11 connect
Spool 9 moves axially.
Hydraulic directional valve component 2 includes main valve body 14, main valve pocket 17, main stage spool 16 and displacement sensor 13, position
The model ZLDS100 of displacement sensor 13, displacement sensor 13 can accurately detect the axial displacement of the main stage spool 16, main
Valve pocket 17 is installed on the inside of main valve body 14, and main stage spool 16 is installed on the inside of main valve pocket 17, wherein main stage spool
16 are equivalent to the piston of hydraulic cylinder, the two dynamic characteristic having the same, and the two sides inside hydraulic directional valve 2 offer respectively
Left pressure chamber 15 and right pressure chamber 18, and the inside of right pressure chamber 18 is equipped with main spool spring 19, main spool spring 19 is for replying
Middle position, due to being designed using Single spring, no matter which working position is the main stage spool 16 be in, and all compresses the same spring, therefore,
This structure does not need accurately to match two springs, so that the dual-purpose valve has higher performance, main stage spool 16
One end is fixedly connected with guide and limit part 20 compatible with main spool spring 19, and guide and limit part 20 can be played to main spool spring 19
The effect for being oriented to, and being limited very well, the bottom of main valve body 14 are respectively equipped with hydraulic fluid port P, hydraulic fluid port T, hydraulic fluid port A and oil
Mouthful B, and hydraulic fluid port P is the oil inlet of hydraulic directional valve component 2, hydraulic fluid port T are the oil outlet of hydraulic directional valve component 2, and hydraulic fluid port A and
Hydraulic fluid port B is the actuator port of hydraulic directional valve component 2, which is three position four-way directional control valve, the hydraulic directional valve component 2
Hydraulic fluid port P, hydraulic fluid port T, hydraulic fluid port A and hydraulic fluid port B are exactly hydraulic fluid port P, hydraulic fluid port T, hydraulic fluid port A and the hydraulic fluid port B of the dual-purpose valve, secondary valve body 8 respectively
Bottom offer oil inlet P 0, actuator port A0 and actuator port B0 respectively, and the outside hydraulic fluid port of hydraulic fluid port A0 and hydraulic fluid port B0 is
The internal chamber and access and hydraulic directional valve for passing through Spool rotating formula proportional reversing valve component 1 for oil outlet T0, oil outlet T0
The oil outlet T-phase of component 2 is connected to, and the hydraulic fluid port P0 of Spool rotating formula proportional reversing valve component 1 and hydraulic directional valve component 2 into
Hydraulic fluid port P is connected, and hydraulic fluid port A0 and hydraulic fluid port B0 are connected with the left pressure chamber 15 of hydraulic directional valve component 2 and right pressure chamber 18 respectively
Logical, spool for pushing hydraulic directional valve component 2 or so axial movement respectively corresponds the left working position of the hydraulic directional valve 2
With right working position, i.e. the left working position and right working position of dual-purpose valve, the output shaft of rotating electric machine 5 is fixedly connected with angular transducer
4, and the test side of displacement sensor 13 is fixedly connected with one end of main stage spool 16, the terminals of microprocessor 3 pass through respectively
The terminals of conductor wire and angular transducer 4 and displacement sensor 13 are electrically connected, the model of angular transducer 4
SSA00XXH2-V010, angular transducer 4 can accurately detect the rotation angle of rotating electric machine 5, the i.e. secondary valve of the dual-purpose valve
The rotation angle of core 9, the model ARM9 of microprocessor 3, microprocessor 3 is for analyzing and handling the angular transducer 4 acquisition
Angle signal and displacement sensor 13 acquire displacement signal, so as to according to the job requirement of the dual-purpose valve and need
Correlation properties make necessary adjustment to the running parameter of the dual-purpose valve, are constituted with this to the double feedback ratios of the closed loop of the dual-purpose valve
Example control, this obviously makes the dual-purpose valve have a higher dynamic property, and one end of shaft 7 passes through box coupling 21 and secondary
One end of spool 9 is fixedly connected, it is ensured that rotating accuracy, and the side of 8 inner wall of secondary valve body is fixedly connected with and fits with 7 phase of shaft
The bearing 22 matched, the leading portion of motor set 11 are movably installed with steel ball 23, and the main purpose of steel ball 23 is when rotating electric machine 5 is by turning
Axis 7 drives the frictional resistance that can reduce between motor set 11 and secondary spool 9 when the secondary spool 9 rotation, so that secondary valve
Core 9 has better rotating property, and is fixedly installed with time valve spring 24 between shaft 7 and secondary spool 9, secondary valve spring 24
Main function is to alleviate linear motor 12 by motor set 11 and secondary spool 9 is pushed to move axially brought impact to the left
Power, while the secondary valve spring 24 can provide certain back stretch when linear motor 12 is retracted, push the secondary spool 9 to
Right axle is equipped with limit sleeve 25 to reset to zero is moved back between one end and motor set 11 of secondary spool 9, and limit sleeve 25 and time
Grade valve pocket 10 is fixedly connected, no relative rotation and displacement, and limit sleeve 25 is used to limit the angle that secondary spool 9 rotates, so that secondary
Positive and negative rotation in the angular range that grade spool 9 can only be determined one, respectively corresponds the Spool rotating formula proportional reversing valve component 1
Left working position and right working position, secondary spool 9 have the freedom degree of both direction, and one is to drive secondary by rotating electric machine 5
Spool 9 rotates in a circumferential direction, the other is drive secondary spool 9 to move axially by linear motor 12, the outer surface of secondary spool 9 from
Left-to-right, which is fixedly connected sequentially, shoulder I, II, III, IV, and shoulder I, shoulder II, shoulder III and shoulder IV left side open up
There is one group of radial opening 26, every group of radial opening 26 is peripherally disposed four, and two adjacent groups radial opening 26 is in axis
The angle for being mutually staggered, and being staggered on direction is 45 °, offers the first arc respectively on the right end shoulder of secondary spool 9
Notch 27 and the second arc incision 28, and the inner wall of limit sleeve 25 is fixedly connected with and cuts with the first arc incision 27 and the second arc
28 compatible arc-shaped protrusions blocks 29 of mouth, wherein the corresponding different working position of different cooperations, it should be noted that the second arc
Axis where the bottom centre of notch 28 is again completely wrong with the axis where all radial openings 26 on shoulder I, II, III, IV
It opens, the right end of the secondary spool 9 has a groove, its role is to place the steel ball 23 in motor set 11, thus convenient straight
While line motor 12 pushes secondary spool 9 to be moved left and right, it will not influence rotating electric machine 5 and secondary spool 9 driven to be revolved
Turn, to ensure that the normal switch operating of valve core structure.
Concrete operating principle of the invention is described below:
Limit sleeve 25 is installed on the inside of secondary valve pocket 10 in the present invention, and without relative motion, the arc of the limit sleeve 25
The plane where 10 window of plane and secondary valve pocket where protrusion block 29 belongs to same plane, below will be to linear motor 12
Zero-bit, the different operating position stretched out and retract Spool rotating formula proportional reversing valve 1 corresponding to these three working positions carry out detailed
It illustrates:
1) linear motor is in zero-bit
When linear motor 12 is in zero-bit, the arc-shaped protrusions block 29 inside limit sleeve 25 is stuck in secondary spool 9 most just
The bottom center of the second arc incision 28 on right end shoulder, due to the second arc incision 28 bottom centre where axis with
The axis where all radial openings 26 on shoulder I, II, III, IV is staggered completely, so the shoulder on secondary spool 9 at this time
I, through-flow valve port can not be formed between the window opened on all radial openings 26 on II, III, IV and secondary valve pocket 10,
That is all valve ports of the Spool rotating formula proportional reversing valve component 1 cannot lead to oil all in closed state at this time, this
When it is corresponding be the Spool rotating formula proportional reversing valve component 1 middle position, and Median Function is " O " type.
2) linear motor, which is in, stretches out position
With the stretching of linear motor 12, it just will drive coupled motor set 11 and push secondary spool 9 axial to the left
It is mobile, two-stage displacement can be divided into again at this time and respectively correspond different operating modes, be elaborated as follows:
(1) first order is displaced --- ratio commutating mode
With the stretching of linear motor 12, secondary spool 9 is pushed to move axially to the left, when linear motor 12 is in zero-bit
When, the arc-shaped protrusions block 29 inside limit sleeve 25 is stuck in the second arc incision 28 on secondary 9 right end shoulder of spool just
Bottom center, but when being moved axially to the left with secondary spool 9, the second arc incision on secondary 9 right end shoulder of spool
28 bottom centre is gradually detached from the arc-shaped protrusions block 29 inside limit sleeve 25, until completely disengaging entire second arc incision
28 constraint, the as first order displacement.
At this point, the arc-shaped protrusions block 29 inside limit sleeve 25 has completely disengaged the beam of entire second arc incision 28
It ties up, but receives the constraint of the first arc incision 27 again at the same time, so drive of the secondary spool 9 in rotating electric machine 5
It positive and negative rotation, the angular range that the present invention is set can be down 45 ° in certain angular range, it below will be to rotating electric machine 5
The different operating position for rotating and reverse under both working conditions the corresponding Spool rotating formula proportional reversing valve component 1 into
Row illustrates:
I rotating electric machine rotates forward (counter clockwise direction) --- left working position
After the completion of first order displacement, rotating electric machine 5 rotates forward certain angle, until the arc-shaped protrusions inside limit sleeve 25
Block 29 touches the contact surface a between the first arc incision 27 and the second arc incision 28 on secondary spool 9, at this time the secondary
Spool 9 is just locked, and can not be further continued for rotating, and at this point, the radial direction on the shoulder II and shoulder IV of the secondary spool 9 is opened
Mouthfuls 26 will form through-flow valve port with the window on secondary valve pocket 10, this allow originally can not by hydraulic oil pass through this
Valve port smoothly circulates, the specific circulating direction of hydraulic oil, and hydraulic oil will be from the hydraulic fluid port of the Spool rotating formula proportional reversing valve component 1
P0 is flowed into, and hydraulic fluid port P0 connection be main stage valve hydraulic directional valve component 2 hydraulic fluid port P, that is, the oil inlet of entire dual-purpose valve
Then P flows into hydraulic fluid port A0 by the through-flow valve port on the shoulder II of secondary spool 9, what hydraulic fluid port A0 was connected is that main stage valve surges
The left pressure chamber 15 of reversing valve assembly 2 pushes main stage spool 16 to move axially to the right, and oil is just passed through in the oil return of right pressure chamber 18
Mouth B0 flows into hydraulic fluid port T0 by the through-flow valve port on the shoulder IV of secondary spool 9, then passes through the internal chamber of the dual-purpose valve
And access, finally flow into fuel tank, oil circuit connection direction are as follows: P0 and A0 is logical, and B0 and T0 are logical, and corresponding is the Spool rotating formula
The left working position of proportional reversing valve component 1.
II rotating electric machine inverts (clockwise direction) --- right working position
After the completion of first order displacement, rotating electric machine 5 inverts certain angle, until the arc-shaped protrusions inside limit sleeve 25
Block 29 touches the contact surface b between the first arc incision 28 and the second arc incision 28 on secondary spool 9, at this time the secondary
Spool 9 is just locked, and can not be further continued for rotating, and at this point, the radial direction on the shoulder I and shoulder III of the secondary spool 9 is opened
Mouthfuls 25 will form through-flow valve port with the window on secondary valve pocket 10, this allow originally can not by hydraulic oil pass through this
Valve port smoothly circulates, the specific circulating direction of hydraulic oil, and hydraulic oil will be from the hydraulic fluid port of the Spool rotating formula proportional reversing valve component 1
P0 is flowed into, and hydraulic fluid port P0 connection be main stage valve hydraulic directional valve component 2 hydraulic fluid port P, that is, the oil inlet of entire dual-purpose valve
Then P flows into hydraulic fluid port B0 by the through-flow valve port on the shoulder III of secondary spool 9, what hydraulic fluid port B0 was connected is that main stage valve surges
The right pressure chamber 15 of reversing valve assembly 2 pushes main stage spool 16 to move axially to the left, and oil is just passed through in the oil return of left pressure chamber 15
Mouthful A0 flows into hydraulic fluid port T0 by the through-flow valve port on the shoulder I of secondary spool 9, then by the internal chamber of the dual-purpose valve and
Access finally flows into fuel tank, oil circuit connection direction are as follows: P0 and B0 is logical, and A0 and T0 are logical, and corresponding is the Spool rotating formula ratio
The right working position of example reversing valve assembly 1.
(2) second level is displaced --- exciting commutating mode
And then, the first arc incision 27 and the second arc with the further stretching of linear motor 12, on secondary spool 9
Contact surface between shape notch 28 can progressively disengage the arc-shaped protrusions block 29 inside limit sleeve 25, the arc inside final limit sleeve 25
Shape protrusion block 29 can completely disengage the constraint of its first arc incision 27, and the secondary spool 9 is not just completely by limit sleeve at this time
25 constraint can drive the secondary spool 9 uninterruptedly to rotate with a specific speed, the platform of secondary spool 9 by rotating electric machine 5
Window on radial opening 25 on shoulder I, II, III, IV and secondary valve pocket 10 be formed by through-flow valve port will constantly on-off,
Wherein shoulder I and shoulder III are one group, and shoulder II and shoulder IV are one group, and same group of valve port break-make situation is consistent, due to rotation
Rotating motor 5 drives the secondary uninterruptedly rotation of spool 9, and through-flow valve port constantly alternately changes, allows for the Spool rotating formula ratio and change
It constantly commutates to 1 liquid stream of valve module, so that the constantly left and right axial movement of the main stage spool 16 of main stage valve hydraulic directional valve component 2,
Cause the liquid stream of the hydraulic directional valve component 2 constantly to commutate, that is, the liquid stream of the dual-purpose valve constantly commutates, eventually lead to this two
Hydraulic cylinder connected with valve or so constantly commutates, and at this time just due to the commutation of high frequency, just produces vibration, is controlled by ratio
The revolving speed of rotating electric machine 5 can ratio control the vibration frequency of the valve, be by the axial displacement that ratio controls linear motor 12
Can ratio control the vibration amplitude of the valve, corresponding at this time is exactly the exciting mould of the Spool rotating formula proportional reversing valve component 1
Formula.
3) linear motor is in and retracts position
Discussed here is the fall back process of the linear motor 12 under the misalignment of the second level, is moved back certainly from first order displacement
The case where returning also includes wherein, so the case where retracting from first order displacement is not just discussed individually, with moving back for linear motor 12
It returns, which is pushed under the rebound effect of secondary valve spring 24 and moved axially to the right, and due to the secondary spool 9
After the uninterrupted rotation under exciting mode, rotation stop position is any, will illustrate such as there are two types of situation at this time
Under:
The first situation
Arc-shaped protrusions block 29 inside limit sleeve 25 just slides into the first arc incision 27 on the secondary spool 9, by
Globoidal structure in 29 front end of arc-shaped protrusions block, secondary spool 9 will very easily under the rebound effect of secondary valve spring 24
Ground finally slides into bottom center along the cambered surface of first arc incision 27, according to it is above-mentioned zero-bit is in linear motor 12 when
Working condition detailed description it is found that corresponding at this time be that the Spool rotating formula ratio changes middle position of the component 1 to valve, and in
Median function is " O " type, can not lead to oil.
Second situation
Arc-shaped protrusions block 29 inside limit sleeve 25 has initially struck the second arc incision 28 on the secondary spool 9, this
When secondary spool 9 will be easily sliding along the cambered surface of second arc incision 28 under the rebound effect of secondary valve spring 24
Enter in the first arc incision 27, just becomes the first situation again at this time, rebound masterpiece of the secondary spool 9 in secondary valve spring 24
Bottom center finally easily will be slid into along the cambered surface of first arc incision 27 with lower, equally, according to above-mentioned right
The detailed description of working condition when linear motor 12 is in zero-bit is it is found that corresponding at this time is that the Spool rotating formula ratio is changed
To the middle position of valve module 1, and Median Function is " O " type, can not lead to oil.
So as described above it is found that both of these case is actually to reach the same goal by different routes, the final or secondary spool
9 be all to be returned to zero-bit under the rebound effect of secondary valve spring 24, i.e., in the Spool rotating formula proportional reversing valve component 1
Position.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (10)
- The exciting dual-purpose valve 1. a kind of big flow electric-hydraulic proportion commutates, including Spool rotating formula proportional reversing valve component (1), surge and change To valve module (2) and microprocessor (3), it is characterised in that: the Spool rotating formula proportional reversing valve component (1) includes secondary valve Body (8), secondary valve pocket (10), secondary spool (9), rotating electric machine (5), linear motor (12) and angular transducer (4), described time Grade valve pocket (10) is installed on the inside of secondary valve body (8), and secondary spool (9) is installed on the inside of secondary valve pocket (10), described One end of secondary spool (9) passes through shaft (7) respectively and shaft coupling (6) is fixedly connected with the output shaft of rotating electric machine (5), described The side of secondary valve body (8) is fixedly connected with the side of linear motor (12), and the side of linear motor (12) is fixedly connected with Motor set (11), the motor set (11) run through secondary valve body (8) far from the one end of linear motor (12) and extend to secondary valve The inside of body (8), and motor set (11) extends to the end thereof contacts of the internal one end of secondary valve body (8) and secondary spool (9)；The hydraulic directional valve component (2) includes main valve body (14), main valve pocket (17), main stage spool (16) and displacement sensing Device (13), the main valve pocket (17) is installed on the inside of main valve body (14), and main stage spool (16) is installed on main valve pocket (17) inside, the internal two sides of the hydraulic directional valve (2) offer left pressure chamber (15) and right pressure chamber (18) respectively, and The inside of right pressure chamber (18) is equipped with main spool spring (19), and one end of the main stage spool (16) is fixedly connected with and main valve bullet The compatible guide and limit part (20) of spring (19).
- The exciting dual-purpose valve 2. a kind of big flow electric-hydraulic proportion according to claim 1 commutates, it is characterised in that: the main The bottom of valve body (14) is respectively equipped with hydraulic fluid port P, hydraulic fluid port T, hydraulic fluid port A and hydraulic fluid port B, and hydraulic fluid port P be hydraulic directional valve component (2) into Hydraulic fluid port, the hydraulic fluid port T is the oil outlet of hydraulic directional valve component (2), and hydraulic fluid port A and hydraulic fluid port B is hydraulic directional valve component (2) Actuator port.
- The exciting dual-purpose valve 3. a kind of big flow electric-hydraulic proportion according to claim 1 commutates, it is characterised in that: the secondary The bottom of valve body (8) offers oil inlet P 0, actuator port A0 and actuator port B0, and the outside of hydraulic fluid port A0 and hydraulic fluid port B0 respectively Hydraulic fluid port is oil outlet T0, and the oil outlet T0 passes through the internal chamber and access of Spool rotating formula proportional reversing valve component (1) It is connected to the oil outlet T-phase of hydraulic directional valve component (2), and the hydraulic fluid port P0 and liquid of Spool rotating formula proportional reversing valve component (1) The oil inlet P of dynamic reversing valve assembly (2) is connected, the left side with hydraulic directional valve component (2) respectively the hydraulic fluid port A0 and hydraulic fluid port B0 Pressure chamber (15) is connected with right pressure chamber (18).
- The exciting dual-purpose valve 4. a kind of big flow electric-hydraulic proportion according to claim 1 commutates, it is characterised in that: the rotation The output shaft of motor (5) is fixedly connected with angular transducer (4), and the test side of displacement sensor (13) and main stage spool (16) One end be fixedly connected, the terminals of the microprocessor (3) pass through conductor wire and angular transducer (4) and displacement sensing respectively The terminals of device (13) are electrically connected.
- The exciting dual-purpose valve 5. a kind of big flow electric-hydraulic proportion according to claim 1 commutates, it is characterised in that: the shaft (7) one end is fixedly connected by box coupling (21) with one end of secondary spool (9), and the one of secondary valve body (8) inner wall Side, which is fixedly connected with, is movably installed with steel ball (23) with shaft (7) compatible bearing (22), the front end of the motor set (11), And time valve spring (24) is fixedly installed between shaft (7) and secondary spool (9), one end of the secondary spool (9) and motor It is equipped with limit sleeve (25) between set (11), and limit sleeve (25) is fixedly connected with secondary valve pocket (10), no relative rotation and position It moves.
- The exciting dual-purpose valve 6. a kind of big flow electric-hydraulic proportion according to claim 1 commutates, it is characterised in that: the secondary Spool (9) has the freedom degree of both direction, and one is that the secondary spool (9) is driven to rotate in a circumferential direction by rotating electric machine (5), The other is driving secondary spool (9) to move axially by linear motor (12).
- The exciting dual-purpose valve 7. a kind of big flow electric-hydraulic proportion according to claim 1 commutates, it is characterised in that: the secondary The outer surface of spool (9) is fixedly connected sequentially from left to right shoulder I, II, III, IV, and shoulder I, shoulder II, shoulder III and platform The left side of shoulder IV offers one group of radial opening (26), and radial opening described in every group (26) is peripherally disposed four A, the angle that radial opening described in two adjacent groups (26) is mutually staggered in the axial direction, and is staggered is 45 °.
- 8. a kind of big flow electric-hydraulic proportion commutation exciting dual-purpose valve according to claim 1 or 5, it is characterised in that: described The first arc incision (27) and the second arc incision (28) are offered on the right end shoulder of secondary spool (9) respectively, and is limited The inner wall of set (25) is fixedly connected with and the first arc incision (27) and the compatible arc-shaped protrusions block of the second arc incision (28) (29)。
- The exciting dual-purpose valve 9. a kind of big flow electric-hydraulic proportion according to claim 8 commutates, it is characterised in that: by described The first arc on the right end shoulder of the secondary spool (9) can be changed in the drive of rotating electric machine (5) and linear motor (12) It notch (27) and the second arc incision (28) and is fixedly connected between the arc-shaped protrusions block (29) of the limit sleeve (25) inner wall Matching relationship, make its can zero setting, possess two-stage axial displacement, the first order, which is displaced, can be achieved ratio commutating mode, the second level It is displaced and exciting commutating mode can be achieved, it can be switched fast according to the different job requirement of hydraulic system.
- The exciting dual-purpose valve 10. a kind of big flow electric-hydraulic proportion according to claim 1 or claim 7 commutates, it is characterised in that: pass through The radial opening when linear motor (12) drives the secondary spool (9) to move axially to the left, on secondary spool (9) shoulder (26) being formed by through-flow valve port with the window on secondary valve pocket (10) can constantly become smaller.
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| CN201910715778.3A CN110319238B (en) | 2019-08-05 | 2019-08-05 | High-flow electrohydraulic proportional reversing excitation dual-purpose valve |
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|---|---|---|---|
| CN201910715778.3A CN110319238B (en) | 2019-08-05 | 2019-08-05 | High-flow electrohydraulic proportional reversing excitation dual-purpose valve |
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| CN110319238B CN110319238B (en) | 2024-03-22 |
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| CN110836204A (en) * | 2019-11-13 | 2020-02-25 | 北京凯德福液压技术有限公司 | Servo valve and servo unit of integrated digital shaft controller |
| CN111946861A (en) * | 2020-09-27 | 2020-11-17 | 兰州理工大学 | Anti-erosion power stage slide valve in hydraulic servo valve |
| CN112392790A (en) * | 2020-11-16 | 2021-02-23 | 邵玉强 | Leakage-free hydraulic reversing valve |
| CN113153852A (en) * | 2021-03-29 | 2021-07-23 | 南京工程学院 | Direction and flow combined type high-frequency response proportional rotary valve |
| CN113309877A (en) * | 2020-02-27 | 2021-08-27 | 盾安环境技术有限公司 | Pilot valve and reversing valve with same |
| CN113309876A (en) * | 2020-02-27 | 2021-08-27 | 盾安环境技术有限公司 | Main valve and reversing valve with same |
| CN113819273A (en) * | 2021-09-29 | 2021-12-21 | 太原理工大学 | Novel proportional reversing valve |
| CN114215806A (en) * | 2021-11-22 | 2022-03-22 | 浙江华章科技有限公司 | Two-position four-way valve |
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| CN110836204A (en) * | 2019-11-13 | 2020-02-25 | 北京凯德福液压技术有限公司 | Servo valve and servo unit of integrated digital shaft controller |
| CN113309877A (en) * | 2020-02-27 | 2021-08-27 | 盾安环境技术有限公司 | Pilot valve and reversing valve with same |
| CN113309876A (en) * | 2020-02-27 | 2021-08-27 | 盾安环境技术有限公司 | Main valve and reversing valve with same |
| CN113309877B (en) * | 2020-02-27 | 2022-12-23 | 盾安环境技术有限公司 | Pilot valve and reversing valve with same |
| CN113309876B (en) * | 2020-02-27 | 2023-11-28 | 盾安环境技术有限公司 | Main valve and reversing valve with same |
| CN111946861A (en) * | 2020-09-27 | 2020-11-17 | 兰州理工大学 | Anti-erosion power stage slide valve in hydraulic servo valve |
| CN112392790A (en) * | 2020-11-16 | 2021-02-23 | 邵玉强 | Leakage-free hydraulic reversing valve |
| CN113153852A (en) * | 2021-03-29 | 2021-07-23 | 南京工程学院 | Direction and flow combined type high-frequency response proportional rotary valve |
| CN113819273A (en) * | 2021-09-29 | 2021-12-21 | 太原理工大学 | Novel proportional reversing valve |
| CN114215806A (en) * | 2021-11-22 | 2022-03-22 | 浙江华章科技有限公司 | Two-position four-way valve |
| CN114215806B (en) * | 2021-11-22 | 2023-06-06 | 浙江华章科技有限公司 | Two-position four-way valve |
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