CN108591152A - A kind of hydraulic motor rotary valve all-in-one machine independently coupled - Google Patents
A kind of hydraulic motor rotary valve all-in-one machine independently coupled Download PDFInfo
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- CN108591152A CN108591152A CN201810329041.3A CN201810329041A CN108591152A CN 108591152 A CN108591152 A CN 108591152A CN 201810329041 A CN201810329041 A CN 201810329041A CN 108591152 A CN108591152 A CN 108591152A
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- spool
- pressure oil
- valve
- oil duct
- motor
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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
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/12—Actuating devices; Operating means; Releasing devices actuated by fluid
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- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Hydraulic Motors (AREA)
Abstract
The invention discloses a kind of hydraulic motor rotary valve all-in-one machines independently coupled.Spool is cylinder small in the end and big in the middle, and valve pocket is equipped with valve pocket window and valve pocket hydraulic fluid port；Motor rotor is connected with spool one end small cylinder, and Spool rotating is driven to realize commutation.Oil-feed port, oil return opening are set on valve body, lead to two work oil ducts of executing agency and hydraulic pressure oil duct and motor high pressure, motor low pressure window, makes the fluid from system while supplying double acting vane motor and executing agency.Hydraulic pressure oil duct is set inside the spool end being connected with motor rotor, the high pressure oil from oil-feed port is guided into motor root of blade, ensures effectively to seal between motor rotor and motor stator.The present invention, as driving source, overcomes the shortcomings of motor drive characteristic using double acting vane motor, by the way that hydraulic pressure oil duct is arranged in valve inner, improve the integrated level of hydraulic motor driving Spool rotating formula change valve device, simplify external hydraulic oil circuit, it is cost-effective, it is easily installed.
Description
Technical field
The present invention relates in engineering machinery field reversal valve more particularly to a kind of hydraulic motor rotary valve one independently coupled
Body machine.
Background technology
With the development of engineering machinery, the application of high speed reversal valve is more and more extensive, presently, there are spool reciprocating change
To valve, commutating frequency is too low, cannot meet the needs, therefore proposes Spool rotating formula reversal valve.Presently, there are Spool rotating formula
Reversal valve mostly uses greatly motor driving, and the rush of current and torque shock ends when electric motor starting can have an adverse effect to spool, because
This starts to occur using Spool rotating formula reversal valve of motor driving, but presently, there are this kind of device integrated level it is low, it is external
Pipeline is more, and installation is inconvenient.
Invention content
The purpose of the present invention is to provide a kind of hydraulic motor rotary valve all-in-one machines independently coupled.The all-in-one machine uses double cropping
Realize that high speed commutates with vane motor driving Spool rotating, required hydraulic pressure oil duct is arranged in valve inner, is greatly simplified
External oil circuit, integrated level is high, easy for installation.
The present invention solves the problems, such as that technology technical solution used by it is：
The present invention includes spool, valve pocket, valve body, end cap and double acting vane motor；Double acting vane motor includes
Motor rotor, blade and motor stator, spool are cylinder small in the end and big in the middle, and valve pocket is equipped with valve pocket window and valve pocket
Hydraulic fluid port；Motor rotor is connected by flat key with spool one end small cylinder, and motor rotor band movable valve plug opposing valve sleeves rotation is realized
Commutation.
Oil return opening, oil-feed port, valve pocket mouth, spool mouth and the first working oil for leading to executing agency are set on the valve body
Hydraulic pressure oil duct is arranged in road, the second work oil ducts, valve inner；High pressure window and low pressure window is alternate is symmetricly set on valve body,
Five high-pressure oil ducts are arranged in valve inner, i.e.,：First high-pressure oil duct, the second high-pressure oil duct, third high-pressure oil duct, the 4th high pressure oil
Road and the 5th high-pressure oil duct；Seven low pressure oil ducts, i.e.,：First low pressure oil duct, the second low pressure oil duct, third low pressure oil duct, the 4th
Low pressure oil duct, the 5th low pressure oil duct, the 6th low pressure oil duct and the 7th low pressure oil duct；Five annular grooves, i.e.,：Valve body is first annular
Slot, the second annular groove of valve body, the 5th annular groove of valve body third annular groove, valve body fourth annular slot and valve body.
Spool annular groove there are three being opened on the big cylindrical surface of spool, i.e.,：The first annular slot of spool, the second annular groove of spool
With spool third annular groove, the spool two sides between the second annular groove of the first annular slot of spool and spool have four valves
Core first groove and four spool second grooves, and be evenly arranged in circumferencial direction, four spool first grooves and four spools
Second groove position is staggered 45 °；It opens respectively spool two sides between the second annular groove of spool and spool third annular groove
There are four spool third groove and four the 4th grooves of spool；Spool third groove is identical as spool first groove position,
The 4th groove of spool is identical as spool second groove position, in being opened up inside the spool small cylinder being connected with motor rotor
Heart hole, end open up the second radial hole of spool, the first radial hole of spool are opened up at the second annular groove of spool.
The valve pocket is equipped with to the right the first hydraulic fluid port of valve pocket, the first window of valve pocket successively from double acting vane motor one end
Mouth, the second window of valve pocket, the second hydraulic fluid port of valve pocket, valve pocket third window, the 4th window of valve pocket and valve pocket third hydraulic fluid port；Each valve pocket
Window number is four, and is evenly arranged in circumferencial direction, and position is identical；Each valve pocket hydraulic fluid port number is four
It is a, and be evenly arranged in circumferencial direction, position is identical with valve pocket window.
The spool other end small cylinder, connection measure the angular transducer or encoder of spool rotating speed.
The double acting vane motor is gear motor, single-acting sliding-vane motor or axial piston motor.
The invention has the advantages that：
The present invention using double acting vane motor as driving source, can overcome the shortcomings of motor drive characteristic, by
Hydraulic pressure oil duct is arranged in valve inner, can improve the integrated level of hydraulic motor driving Spool rotating formula change valve device, simplifies outer
Portion's hydraulic circuit, it is cost-effective, it is easily installed.
Description of the drawings
Fig. 1 is one of operating mode of all-in-one machine of the present invention figure.
Fig. 2 is two figures of the operating mode of all-in-one machine of the present invention.
Fig. 3 is valve inner oil duct figure of the present invention.
Fig. 4 is valve body sectional view of the present invention.
Fig. 5 is Fig. 1 valve body front views.
Fig. 6 is Fig. 1 valve body vertical views.
Fig. 7 is Fig. 1 valve body upward views.
Fig. 8 is Fig. 1 valve body left views.
Fig. 9 is Fig. 1 valve body right views.
Figure 10 is Fig. 1 valve body rearviews.
Figure 11 is spool three dimensional structure diagram of the present invention.
Figure 12 is valve core structure sectional view of the present invention.
Figure 13 is housing configuration sectional view of the present invention.
In figure：1, valve body, 2, valve pocket, 3, end cap, 4, spool, 5, plug screw, 6, motor rotor, 7, blade, 8, motor stator,
9, the first annular slot of valve body, 10, the second annular groove of valve body, 11, valve body third annular groove, 12, valve body fourth annular slot, 13, valve
The 5th annular groove of body, 14, the first annular slot of spool, 15, spool first groove, 16, spool second groove, 17, the second ring of spool
Shape slot, 18, spool third groove, 19, the 4th groove of spool, 20, spool third annular groove, 21, centre bore, 22, keyway, 23,
The first radial hole of spool, 24, the second radial hole of spool, 25, the first hydraulic fluid port of valve pocket, 26, valve pocket first window, 27, valve pocket second
Window, 28, the second hydraulic fluid port of valve pocket, 29, valve pocket third window, 30, the 4th window of valve pocket, 31, valve pocket third hydraulic fluid port, 32, spool
Mouthful, 33, valve pocket mouth, P1, the first high-pressure oil duct, P2, the second high-pressure oil duct, P3, third high-pressure oil duct, P4, the 4th high-pressure oil duct,
P5, the 5th high-pressure oil duct, T1, the first low pressure oil duct, T2, the second low pressure oil duct, T3, third low pressure oil duct, T4, the 4th low pressure oil
Road, T5, the 5th low pressure oil duct, T6, the 6th low pressure oil duct, T7, the 7th low pressure oil duct, A, the first work oil ducts, B, the second working oil
Road, C, motor high pressure window, D, motor low pressure window.
Specific implementation mode
The invention will be further described with reference to the accompanying drawings and examples.
As shown in Figure 1 and Figure 2, the present invention includes spool 4, valve pocket 2, valve body 1, end cap 3 and double acting vane motor；
Double acting vane motor includes motor rotor 6, blade 7 and motor stator 8, and spool 4 is cylinder small in the end and big in the middle
Body, valve pocket 2 are equipped with valve pocket window and valve pocket hydraulic fluid port；Motor rotor 6 is connected by flat key with 4 one end small cylinder of spool, horse
It is rotated up to rotor 6 with 4 opposing valve sleeves 2 of movable valve plug and realizes commutation.
Oil return inlet T, oil-feed port P, valve pocket mouth 33, spool mouth 32 are set as shown in Fig. 1~Figure 10, on the valve body 1 and led to
Hydraulic pressure oil duct is arranged in the first work oil ducts A, the second work oil ducts B to executing agency, 1 inside of valve body；High pressure window C and low pressure
Window D is alternate to be symmetricly set on valve body, and five high-pressure oil ducts are arranged in 1 inside of valve body, i.e.,：First high-pressure oil duct P1, it is second high
Pressure oil road P2, third high-pressure oil duct P3, the 4th high-pressure oil duct P4, the 5th high-pressure oil duct P5；Seven low pressure oil ducts, i.e.,：First low pressure
Oil duct T1, the second low pressure oil duct T2, third low pressure oil duct T3, the 4th low pressure oil duct T4, the 5th low pressure oil duct T5, the 6th low pressure oil duct
T6, the 7th low pressure oil duct T7, the third low pressure oil duct T on 1 surface of valve body3Mouth and the 6th low pressure oil duct T6Mouth uses plug screw 5 close respectively
Envelope；Five annular grooves, i.e.,：The first annular slot 9 of valve body, the second annular groove of valve body 10, valve body third annular groove 11, valve body Fourth Ring
Shape slot 12, the 5th annular groove 13 of valve body.
As shown in Figure 11~Figure 12, opened on 4 big cylindrical surface of the spool there are three spool annular groove, i.e.,：The first ring of spool
Shape slot 14, the second annular groove of spool 17 and spool third annular groove 20, the first annular slot 14 of spool and the second annular groove of spool 17
Between 4 two sides of spool have four spool first grooves 15 and four spool second grooves 16, and in circumferencial direction
It is evenly arranged, four spool first grooves 15 and four 16 positions of spool second groove are staggered 45 °；The second annular groove of spool
4 two sides of spool between 17 and spool third annular groove 20 have four spool third grooves 18 and four spools the 4th
Groove 19；Spool third groove 18 is identical as 15 position of spool first groove, the 4th groove 19 of spool and the second ditch of spool
16 position of slot is identical, opens up centre bore 21 inside 4 small cylinder of spool being connected with motor rotor 6, end opens up spool
Second radial hole 24 opens up the first radial hole of spool 23 at the second annular groove of spool 17, it is therefore an objective to by the high pressure from oil-feed port P
Oil guides to 7 root of motor blade, ensures effectively to seal between motor rotor 6 and motor stator 8.
As shown in figure 13, the valve pocket 2 is equipped with to the right the first hydraulic fluid port of valve pocket successively from double acting vane motor one end
25, valve pocket first window 26, the second window of valve pocket 27, the second hydraulic fluid port of valve pocket 28, valve pocket third window 29, the 4th window 30 of valve pocket
With valve pocket third hydraulic fluid port 31；Each valve pocket window number is four, and is evenly arranged in circumferencial direction, the complete phase of position
Together；Each valve pocket hydraulic fluid port number is four, and is evenly arranged in circumferencial direction, and position is identical with valve pocket window.
4 other end small cylinder of the spool, connection measure the angular transducer or encoder of spool rotating speed.
The double acting vane motor is gear motor, single-acting sliding-vane motor or axial piston motor.
As shown in figure 3, being valve inner oil duct figure of the present invention, shared oil duct 14 from Fig. 3, dotted line indicates high pressure oil
Road is respectively labeled as P1、P2、P3、P4And P5, totally 5 high-pressure oil ducts, wherein the first high-pressure oil duct P1With the second high-pressure oil duct P2Phase
It is logical, the second high-pressure oil duct P2With third high-pressure oil duct P3It communicates, the first high-pressure oil duct P1With the 4th high-pressure oil duct P4It communicates, the 4th
High-pressure oil duct P4With the 5th high-pressure oil duct P5It communicates, third high-pressure oil duct P3, the 5th high-pressure oil duct P5Connect motor high pressure window C；
Chain-dotted line indicates low pressure oil duct, marks T respectively1、T2、T3、T4、T5、T6And T7, totally 7 low pressure oil ducts, wherein third low pressure oil duct
T3With the first low pressure oil duct T1It communicates, the second low pressure oil duct T2With the first low pressure oil duct T1It communicates, third low pressure oil duct T3With the 5th
Low pressure oil duct T5It communicates, the 5th low pressure oil duct T5With the 4th low pressure oil duct T4It communicates, third low pressure oil duct T3With the 6th low pressure oil duct
T6It communicates, the 6th low pressure oil duct T6With the 7th low pressure oil duct T7It communicates, the second low pressure oil duct T2, the 4th low pressure oil duct T4Connect motor
Low pressure window D；Heavy line indicates work oil ducts, marks A and B respectively, totally 2 work oil ducts, spool 4, which rotates a circle, will appear two
Kind operating mode, as depicted in figs. 1 and 2 respectively, operating mode shown in FIG. 1, the first high-pressure oil duct P1With the second work oil ducts B
It connects, third low pressure oil duct T3It is connected with the first work oil ducts A；Operating mode shown in Fig. 2, the first high-pressure oil duct P1With first
Work oil ducts A is connected, the 7th low pressure oil duct T7It is connected with the second work oil ducts B, entire oil duct is designed the fluid from system
It is freely distributed in valve body, while supplying double acting vane motor and executing agency, realize hydraulic motor rotary valve all-in-one machine
Autonomous coupling.
Valve pocket 2 is limited and can not be moved by valve body 1, end cap 3 and spool 4, and valve pocket is static with respect to valve body.In the present embodiment
Motor rotor 6 is connected with spool 4 by flat key, and motor rotor 6 is with 4 high speed rotation of movable valve plug, and spool 4 is by valve body 1, end cap 3
Limitation with valve pocket 2 can not be axially moved and radial motion, can only rotary motion, spool 4 using valve pocket 2 support, 4 one end of spool
Inside setting hydraulic pressure oil duct, it is therefore an objective to which high pressure oil is guided into root of blade.
For the present invention there are two types of operating mode, operation principle is as follows：
As shown in Figure 1, Figure 3, one of the operating mode of all-in-one machine of the invention.Dotted line indicates high-pressure oil duct in Fig. 3, marks respectively
For P1、P2、P3、P4、P5, totally 5 high-pressure oil ducts；Chain-dotted line indicates low pressure oil duct, marks T respectively1、T2、T3、T4、T5、T6、T7, altogether
7 low pressure oil ducts；Heavy line indicates work oil ducts, marks A, B respectively, totally 2 work oil ducts, wherein third high-pressure oil duct P3、
5th high-pressure oil duct P5Connect motor high pressure window C, the second low pressure oil duct T2, the 4th low pressure oil duct T4Connect motor low pressure window
D.High pressure oil from system enters the first high-pressure oil duct of valve body P by oil-feed port P1, high pressure oil is in the first high-pressure oil duct P1On be divided into
4 tunnels, the first via is through the first high-pressure oil duct P1, the second high-pressure oil duct P2, third high-pressure oil duct P3Into motor high pressure window C, second
Road the first high-pressure oil duct P1, the 4th high-pressure oil duct P4, the 5th high-pressure oil duct P5Into motor high pressure window C, third road first
High-pressure oil duct P1, valve body third annular groove 11, the second hydraulic fluid port of valve pocket 28, the second annular groove of spool 17, spool third groove 18, valve
Cover third window 29, valve body fourth annular slot 12 enters the second work oil ducts B, the 4th tunnel the first high-pressure oil duct P1, valve body
Three annular grooves 11, the second hydraulic fluid port of valve pocket 28, the second annular groove of spool 17, the first radial hole of spool 23, centre bore 21, spool second
Radial hole 24 reaches root of blade vessel, and the low pressure oil in all-in-one machine has three tunnels, and the first via is through motor low pressure window D, the 4th low
Pressure oil road T4, the 5th low pressure oil duct T5Reach third low pressure oil duct T3, the second tunnel is through motor low pressure window D, the second low pressure oil duct
T2, the first low pressure oil duct T1Reach third low pressure oil duct T3, third road the first work oil ducts A, the second annular groove of valve body 10, valve
The first annular slot of set first window 26, spool first groove 15, the first annular slot 14 of spool, the first hydraulic fluid port of valve pocket 25, valve body 9 arrives
Up to third low pressure oil duct T3, at this time Spool rotating formula reversal valve be in the first high-pressure oil duct P1It is connected with the second work oil ducts B, the
Three low pressure oil duct T3The state connected with the first work oil ducts A, final low pressure oil is through third low pressure oil duct T3, the 6th low pressure oil duct
T6, the 7th low pressure oil duct T7, oil return inlet T oil return box.
As shown in Figure 2 and Figure 3, the two of the operating mode of all-in-one machine of the invention.Dotted line indicates high-pressure oil duct in Fig. 3, respectively
It is labeled as P1、P2、P3、P4、P5, totally 5 high-pressure oil ducts；Chain-dotted line indicates low pressure oil duct, marks T respectively1、T2、T3、T4、T5、T6、
T7, totally 7 low pressure oil ducts；Heavy line indicates work oil ducts, marks A, B respectively, totally 2 work oil ducts, wherein third high pressure oil
Road P3, the 5th high-pressure oil duct P5Connect motor high pressure window C, the second low pressure oil duct T2, the 4th low pressure oil duct T4Connect motor low pressure
Window D.High pressure oil from system enters the first high-pressure oil duct of valve body P by oil-feed port P1, high pressure oil is in the first high-pressure oil duct P1On
It is divided into 4 tunnels, the first via is through the first high-pressure oil duct P1, the second high-pressure oil duct P2, third high-pressure oil duct P3Into motor high pressure window C,
Second tunnel the first high-pressure oil duct P1, the 4th high-pressure oil duct P4, the 5th high-pressure oil duct P5Into motor high pressure window C, third road warp
First high-pressure oil duct P1, valve body third annular groove 11, the second hydraulic fluid port of valve pocket 28, the second annular groove of spool 17, spool second groove
16, the second window of valve pocket 27, the second annular groove of valve body 10 enter the first work oil ducts A, the 4th tunnel the first high-pressure oil duct P1, valve
Body third annular groove 11, the second hydraulic fluid port of valve pocket 28, the second annular groove of spool 17, the first radial hole of spool 23, centre bore 21, spool
The low pressure oil that second radial hole 24 reaches in root of blade vessel all-in-one machine has three tunnels, and the first via is through motor low pressure window D, the 4th
Low pressure oil duct T4, the 5th low pressure oil duct T5, third low pressure oil duct T3, the 6th low pressure oil duct T6Reach the 7th low pressure oil duct T7, second
Road is through motor low pressure window D, the second low pressure oil duct T2, the first low pressure oil duct T1, third low pressure oil duct T3, the 6th low pressure oil duct T6
Reach the 7th low pressure oil duct T7, third road the second work oil ducts B, valve body fourth annular slot 12, the 4th window 30 of valve pocket, spool
4th groove 19, spool third annular groove 20, valve pocket third hydraulic fluid port 31, the 5th annular groove 13 of valve body reach the 7th low pressure oil duct
T7, at this time Spool rotating formula reversal valve be in the first high-pressure oil duct P1It is connected with the first work oil ducts A, the 7th low pressure oil duct T7With
The state that second work oil ducts B is connected, final low pressure oil is through the 7th low pressure oil duct T7, oil return inlet T oil return box.
So far, all-in-one machine of the invention completes the operating mode of a cycle, realizes executing agency and moves back and forth once,
By integrating speed governing valve on all-in-one machine, throttle valve changes the flow into motor to adjust motor rotary speed, thus it is possible to vary executes
The working frequency of mechanism, integrated level of the present invention is high, easy for installation, highly practical.
Claims (6)
1. a kind of hydraulic motor rotary valve all-in-one machine independently coupled, it is characterised in that：Including spool (4), valve pocket (2), valve body
(1), end cap (3) and double acting vane motor；Double acting vane motor includes motor rotor (6), blade (7) and horse
Up to stator (8), spool (4) is cylinder small in the end and big in the middle, and valve pocket (2) is equipped with valve pocket window and valve pocket hydraulic fluid port；Motor
Rotor (6) is connected by flat key with spool (4) one end small cylinder, and motor rotor (6) band movable valve plug (4) opposing valve sleeves (2) revolve
Turn to realize commutation.
2. a kind of hydraulic motor rotary valve all-in-one machine independently coupled according to claim 1, it is characterised in that：The valve body
(1) oil return opening (T), oil-feed port (P), valve pocket mouth (33), spool mouth (32) and the first working oil for leading to executing agency are set on
Road (A), the second work oil ducts (B), valve body (1) is internal to be arranged hydraulic pressure oil duct；High pressure window (C) and low pressure window (D) are alternate right
Claim to be arranged on valve body (1), five high-pressure oil ducts are set inside valve body (1), i.e.,：First high-pressure oil duct (P1), the second high pressure oil
Road (P2), third high-pressure oil duct (P3), the 4th high-pressure oil duct (P4) and the 5th high-pressure oil duct (P5)；Seven low pressure oil ducts, i.e.,：The
One low pressure oil duct (T1), the second low pressure oil duct (T2), third low pressure oil duct (T3), the 4th low pressure oil duct (T4), the 5th low pressure oil duct
(T5), the 6th low pressure oil duct (T6) and the 7th low pressure oil duct (T7)；Five annular grooves, i.e.,：The first annular slot of valve body (9), valve body
Second ring slot (10), the 5th annular groove (13) of valve body third annular groove (11), valve body fourth annular slot (12) and valve body.
3. a kind of hydraulic motor rotary valve all-in-one machine independently coupled according to claim 1, it is characterised in that：The spool
(4) spool annular groove there are three being opened on big cylindrical surface, i.e.,：The first annular slot of spool (14), the second annular groove of spool (17) and valve
Core third annular groove (20), spool (4) two sides point between the first annular slot of spool (14) and the second annular groove of spool (17)
Spool first groove (15) and four spool second grooves (16) there are four not opening, and be evenly arranged in circumferencial direction, four valves
Core first groove (15) and four spool second groove (16) positions are staggered 45 °；The second annular groove of spool (17) and spool
Spool (4) two sides between third annular groove (20) have four spool third grooves (18) and four the 4th ditches of spool
Slot (19)；Spool third groove (18) is identical as spool first groove (15) position, the 4th groove (19) of spool and spool
Second groove (16) position is identical, with motor rotor（6）Connected spool（4）Centre bore is opened up inside small cylinder
（21）, end opens up the second radial hole of spool（24）, the second annular groove of spool（17）Place opens up the first radial hole of spool（23）.
4. a kind of hydraulic motor rotary valve all-in-one machine independently coupled according to claim 1, it is characterised in that：The valve pocket
(2) the first hydraulic fluid port of valve pocket (25), valve pocket first window (26), valve pocket are equipped with successively to the right from double acting vane motor one end
Second window (27), the second hydraulic fluid port of valve pocket (28), valve pocket third window (29), the 4th window (30) of valve pocket and valve pocket third hydraulic fluid port
(31)；Each valve pocket window number is four, and is evenly arranged in circumferencial direction, and position is identical；Each valve pocket oil
Mouth number is four, and is evenly arranged in circumferencial direction, and position is identical with valve pocket window.
5. a kind of hydraulic motor rotary valve all-in-one machine independently coupled according to claim 1, it is characterised in that：The spool
(4) other end small cylinder, connection measure the angular transducer or encoder of spool rotating speed.
6. a kind of hydraulic motor rotary valve all-in-one machine independently coupled according to claim 1, it is characterised in that：The double cropping
It is gear motor, single-acting sliding-vane motor or axial piston motor with vane motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201810329041.3A CN108591152B (en) | 2018-04-13 | 2018-04-13 | A kind of hydraulic motor rotary valve all-in-one machine independently coupled |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810329041.3A CN108591152B (en) | 2018-04-13 | 2018-04-13 | A kind of hydraulic motor rotary valve all-in-one machine independently coupled |
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| CN108591152A true CN108591152A (en) | 2018-09-28 |
| CN108591152B CN108591152B (en) | 2019-10-22 |
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| CN110410375A (en) * | 2019-06-04 | 2019-11-05 | 刘江 | A kind of reversal valve valve rod of hydraulic wire crimping connector |
| CN111219373A (en) * | 2018-11-27 | 2020-06-02 | 辽宁海裕流体传控系统有限公司 | Multi-motor direct-drive multi-valve-element multifunctional rotary hydraulic regulating valve |
| CN112065794A (en) * | 2020-08-19 | 2020-12-11 | 华中科技大学 | Automatic clearance compensation type underwater rotary servo valve |
| CN113858258A (en) * | 2021-10-08 | 2021-12-31 | 武汉科技大学 | Continuous rotation hydraulic joint for axially distributing oil |
| CN114718933A (en) * | 2022-05-24 | 2022-07-08 | 浙大城市学院 | Two-dimensional motor direct-drive electro-hydraulic servo valve with adjustable zero position |
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| CN111219373A (en) * | 2018-11-27 | 2020-06-02 | 辽宁海裕流体传控系统有限公司 | Multi-motor direct-drive multi-valve-element multifunctional rotary hydraulic regulating valve |
| CN110410375A (en) * | 2019-06-04 | 2019-11-05 | 刘江 | A kind of reversal valve valve rod of hydraulic wire crimping connector |
| CN112065794A (en) * | 2020-08-19 | 2020-12-11 | 华中科技大学 | Automatic clearance compensation type underwater rotary servo valve |
| CN113858258A (en) * | 2021-10-08 | 2021-12-31 | 武汉科技大学 | Continuous rotation hydraulic joint for axially distributing oil |
| CN114718933A (en) * | 2022-05-24 | 2022-07-08 | 浙大城市学院 | Two-dimensional motor direct-drive electro-hydraulic servo valve with adjustable zero position |
| CN114718933B (en) * | 2022-05-24 | 2022-08-26 | 浙大城市学院 | Two-dimensional motor direct-drive electro-hydraulic servo valve with adjustable zero position |
| US11703067B1 (en) | 2022-05-24 | 2023-07-18 | Hangzhou City University | Two-dimensional motor-direct-driving electro-hydraulic servo valve with adjustable null position |
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