CN104613040B - A kind of serial-parallel motor rotary system Fill valve - Google Patents
A kind of serial-parallel motor rotary system Fill valve Download PDFInfo
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- CN104613040B CN104613040B CN201510062282.2A CN201510062282A CN104613040B CN 104613040 B CN104613040 B CN 104613040B CN 201510062282 A CN201510062282 A CN 201510062282A CN 104613040 B CN104613040 B CN 104613040B
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- hydraulic fluid
- fluid port
- spool
- valve
- valve pocket
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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
- F15B13/06—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with two or more servomotors
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Multiple-Way Valves (AREA)
- Servomotors (AREA)
Abstract
A kind of serial-parallel motor rotary system Fill valve, it is characterized in that: it includes valve body, it is arranged on the spool having Oil Guide annular groove in the valve pocket that body cavity and valve end cap are together to form, the first hydraulic fluid port being arranged on valve end cap, the second hydraulic fluid port being arranged on valve body, the 3rd hydraulic fluid port, the 4th hydraulic fluid port, the 5th hydraulic fluid port；Wherein: the first hydraulic fluid port is communicated with the first valve pocket of A1 side, spool right side by the damping being arranged in oil duct；Second hydraulic fluid port is communicated with the second valve pocket of A2 side, spool left side by the damping being arranged in oil duct；3rd hydraulic fluid port is communicated with the 3rd valve pocket of the ring cavity structure being positioned at right section of A3 of spool by the damping being arranged in oil duct；4th hydraulic fluid port communicates with spool radially the 4th valve pocket；5th hydraulic fluid port and spool radially the 5th valve pocket communicates；Described radial direction the 4th valve pocket is to be positioned at spool Oil Guide annular groove during right stop to constitute by spool, and described radial direction the 5th valve pocket is to be positioned at spool Oil Guide annular groove during left stop to constitute by spool.
Description
Technical field
The present invention relates to engineering machinery, technical field of hydraulic, especially relate to a kind of serial-parallel motor rotary system
Fill valve.The invention still further relates to a kind of serial-parallel motor Hydraulic slewing system including above-mentioned Fill valve.
Background technology
Revolution rotating speed and moment of torsion model along with the development of engineering machinery rig is more and more large-scale, multifunction, to rig
Enclose and propose requirements at the higher level, it is desirable to the excursion of revolution rotating speed and rotary torque is bigger, use variable displacement motor effectively to expire
Foot, and reliability is low, cost is high, in consideration of it, the commonly used series-parallel mode of multiple fixed displacement motor, it is achieved turn round on a large scale
Speed and rotary torque regulation, but after adopting in this way, when motor is connected, because of the problem let out in motor, cause by string
The flow of connection motor is inconsistent, has had influence on the output of motor, reliability and service life.
Summary of the invention
The purpose of the present invention provides a kind of connection in series-parallel horse just for the weak point in the presence of above-mentioned prior art
Reaching rotary system Fill valve, the Fill valve of the present invention can self adaptation repairing flow, it is ensured that the motor connected below and above going here and there
The motor flow of connection is consistent, and does not reveal loss when parallel connection, to such an extent as to ensures that motor operation is steady, is effectively improved its reliability
And service life.
The purpose of the present invention can be realized by following technique measures:
The serial-parallel motor rotary system Fill valve of the present invention includes valve body, is arranged on body cavity and common group of valve end cap
The spool having Oil Guide annular groove in the valve pocket of synthesis, the first hydraulic fluid port being arranged on valve end cap, second be arranged on valve body
Hydraulic fluid port, the 3rd hydraulic fluid port, the 4th hydraulic fluid port, the 5th hydraulic fluid port；Wherein: the first hydraulic fluid port is right with spool by the damping II being arranged in oil duct
First valve pocket of end face A1 side communicates；Second hydraulic fluid port is by the damping III being arranged in oil duct and the second of A2 side, spool left side
Valve pocket communicates；3rd hydraulic fluid port the 3rd valve by the damping I being arranged in oil duct and the ring cavity structure being positioned at right section of A3 of spool
Chamber communicates；4th hydraulic fluid port communicates with spool radially the 4th valve pocket；5th hydraulic fluid port and spool radially the 5th valve pocket communicates；Described radial direction
4th valve pocket is to be positioned at spool Oil Guide annular groove during right stop to constitute by spool, and described radial direction the 5th valve pocket is to be positioned at a left side by spool
Spool Oil Guide annular groove during stop is constituted.
Heretofore described first hydraulic fluid port, the second hydraulic fluid port are respectively provided with the right side of spool, left end；Described 3rd hydraulic fluid port, the 4th
Hydraulic fluid port, the 5th hydraulic fluid port are all arranged in the way of perpendicular with valve core axis；Described damping I, damping II, damping III are for being provided with resistance
Interior six side's studs in Buddhist nun hole.
The cross-sectional area of the heretofore described spool right side A1 cross-sectional area less than left side A2.
The spool position of Fill valve of the present invention is controlled by the active force of spool both ends of the surface hydraulic oil, and this is a dynamic equilibrium
Position, it is possible to self adaptation ensures that the pressure reduction of two motors is proportional, it is ensured that the motor connected below and the motor stream above connected
Amount is consistent, and does not reveal loss when parallel connection, to such an extent as to ensures that motor operation is steady, is effectively improved its reliability and uses the longevity
Life.
Beneficial effects of the present invention is as follows:
1, can solve the problem that because letting out the tandem hydraulic motor flow caused in hydraulic motor inconsistent, it is to avoid damage hydraulic pressure horse
Reach, affect the energy conversion efficiency of hydraulic motor and the service life of hydraulic motor；
2, can not be by load effect, self adaptation dynamic repairing flow, to ensure that the load pressure reduction of two series connection motors becomes
Ratio；
3, by adjusting two valve pocket stress end face area ratio that spool is combined into end cap, it is possible to achieve two series connection horses
The load pressure reduction reached becomes identical ratio；
4, simple and compact for structure, low cost, the advantages such as contamination resistance is strong, convenient to install and maintain.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention.
Fig. 2 is the serial-parallel motor Hydraulic slewing system schematic diagram using Fill valve of the present invention.
Detailed description of the invention
As it is shown in figure 1, the serial-parallel motor rotary system Fill valve of the present invention includes valve body 1, be arranged on valve body 1 inner chamber with
The spool 2 having Oil Guide annular groove in the valve pocket that valve end cap 4 is together to form, the first hydraulic fluid port P1 being arranged on valve end cap 4, if
Put the second hydraulic fluid port P2 on valve body 1, the 3rd hydraulic fluid port P3, the 4th hydraulic fluid port V, the 5th hydraulic fluid port C；Wherein: the first hydraulic fluid port P1 is by setting
The damping II 3.2 put in oil duct communicates with the first valve pocket of A1 side, spool 2 right side；Second hydraulic fluid port P2 is by being arranged on oil duct
Interior damping III 3.3 communicates with the second valve pocket of A2 side, spool 2 left side；3rd hydraulic fluid port P3 is by the damping being arranged in oil duct
I 3.1 communicate with the 3rd valve pocket of the ring cavity structure being positioned at 2 right sections of A3 of spool；4th hydraulic fluid port V and spool 2 radially the 4th valve pocket
Communicate；5th hydraulic fluid port C and spool 2 radially the 5th valve pocket communicates；When described radial direction the 4th valve pocket is positioned at right stop by spool 2
Spool Oil Guide annular groove is constituted, and spool Oil Guide annular groove when described radial direction the 5th valve pocket is to be positioned at left stop by spool 2 is constituted.
Heretofore described first hydraulic fluid port P1, the second hydraulic fluid port P2 are respectively provided with the right side of spool 2, left end；Described 3rd hydraulic fluid port
P3, the 4th hydraulic fluid port V, the 5th hydraulic fluid port C are all to arrange in the way of spool 2 axis perpendicular；Described damping I 3.1, damping II
3.2, damping III 3.3 is the interior six side's studs being provided with damping hole.
The cross-sectional area of the heretofore described spool 2 right side A1 cross-sectional area less than left side A2.
The course of work of the present invention is as follows:
As in figure 2 it is shown, the first hydraulic fluid port P1 and the hydraulic fluid port A of three position four-way directional control valve 8, the hydraulic fluid port A of two position and four-way reversing valves 7,
First actuator port of hydraulic motor 6.1 is connected；Second hydraulic fluid port P2 and the oil-out of check valve 5.2 and check valve 5.3 fuel-displaced
Mouth is connected；3rd hydraulic fluid port P3 and the hydraulic fluid port B of three position four-way directional control valve 8, the hydraulic fluid port B of two position and four-way reversing valves 7 and hydraulic motor 6.2
The first actuator port be connected；4th hydraulic fluid port V and hydraulic pump 9 oil-out, overflow valve 10 hydraulic fluid port P and three position four-way directional control valve 8
Hydraulic fluid port P is connected；5th hydraulic fluid port C is connected with the oil-in of check valve 5.1；The of the oil-out of check valve 5.1 and hydraulic motor 6.1
Two actuator ports, the hydraulic fluid port C of two position and four-way reversing valves 7 are connected with the oil-in of check valve 5.2；The oil-in of check valve 5.3 with
The hydraulic fluid port D of two position and four-way reversing valves 7 is connected with the second actuator port of hydraulic motor 6.2.
Three position four-way directional control valve 8 in left position, two position and four-way reversing valves 7 are when working in right position, the oil of three position four-way directional control valve 8
Mouth P is connected with the hydraulic fluid port B of three position four-way directional control valve 8, the hydraulic fluid port A of three position four-way directional control valve 8 and the hydraulic fluid port of three position four-way directional control valve 8
Even, hydraulic oil enters the first actuator port and the 3rd hydraulic fluid port P3 of hydraulic motor 6.2 to T-phase, drives hydraulic motor 6.2 to turn round, and
Promote spool 2 to move to left end, make the 5th hydraulic fluid port C being connected with the 5th valve pocket with and the 4th hydraulic fluid port V phase that is connected of the 4th valve pocket
Logical, hydraulic oil changes respectively through hydraulic fluid port D, two four-ways of two position and four-way reversing valves 7 through hydraulic motor 6.2 second actuator port
To hydraulic fluid port C and the oil-in of check valve 5.3, the oil-out of check valve 5.3, the second hydraulic fluid port P2 of valve 7, respectively enter hydraulic motor
Second actuator port of 6.1 and the second valve pocket, drive hydraulic motor 6.1 to turn round with hydraulic motor 6.2 series aiding, hydraulic pressure simultaneously
Oil, through the 4th hydraulic fluid port V, the 5th hydraulic fluid port C, check valve 5.1, carries out repairing, then to the second actuator port of hydraulic motor 6.1
By the first actuator port of hydraulic motor 6.1, three position four-way directional control valve 8 hydraulic fluid port A, three position four-way directional control valve 8 hydraulic fluid port T oil return
Case, the first valve pocket operating pressure and the first hydraulic fluid port P1 operating pressure, three position four-way directional control valve 8 hydraulic fluid port A operating pressure is identical is all
Return pressure, size-controlled in the through-flow openings area of the 4th valve pocket, the through-flow openings face of the 4th valve pocket as repairing flow
The long-pending position depending on spool 2, the location-controlled of spool 2 is in the active force of spool both ends of the surface hydraulic oil, and this is a dynamic equilibrium
Position, it is possible to self adaptation ensures that the pressure reduction of two motors is proportional, corresponding to the ratio of spool 2 end acting surface A2 Yu A1.
Three position four-way directional control valve 8 in left position, two position and four-way reversing valves 7 are when working in left position, the oil of three position four-way directional control valve 8
Mouth P is connected with the hydraulic fluid port B of three position four-way directional control valve 8, the hydraulic fluid port A of three position four-way directional control valve 8 and the hydraulic fluid port of three position four-way directional control valve 8
Even, two position and four-way reversing valve 7 hydraulic fluid port B and two position and four-way reversing valve 7 hydraulic fluid port C communicate T-phase, and hydraulic oil respectively enters hydraulic motor
First actuator port of 6.2, the 3rd hydraulic fluid port P3, two position and four-way reversing valve 7 hydraulic fluid port C, the second actuator port of hydraulic motor 6.1,
Check valve 5.2 oil-in, check valve 5.2 oil-out, the second hydraulic fluid port P2, drive hydraulic motor 6.1 and hydraulic motor 6.2 and in conjunction with
To revolution, hydraulic oil again through the first actuator port of hydraulic motor 6.1, the second actuator port of hydraulic motor 6.2, two four
Logical reversal valve 7 hydraulic fluid port A, the hydraulic fluid port A of three position four-way directional control valve 8, the hydraulic fluid port T of three position four-way directional control valve 8 return hydraulic oil container, again because of the
Two hydraulic fluid port P2 operating pressures, hydraulic motor 6.1 second actuator port operating pressure, the first actuator port work of hydraulic motor 6.2
Make pressure and the 3rd hydraulic fluid port P3 operating pressure is of substantially equal, the first valve pocket operating pressure and the first hydraulic fluid port P1 operating pressure, three
Four-way change-over valve 8 hydraulic fluid port A operating pressure is identical is all return pressure, and spool 2 end acting surface A2 > A3, so making on the left of spool 2
Firmly working in right position more than right side active force, the 4th hydraulic fluid port V and the 5th hydraulic fluid port C is obstructed, thus without being caused to pass through the 4th oil
The Flux Loss of mouth V.
Three position four-way directional control valve 8 in right position, two position and four-way reversing valves 7 are when working in right position, the oil of three position four-way directional control valve 8
Mouth P is connected with the hydraulic fluid port A of three position four-way directional control valve 8, the hydraulic fluid port B of three position four-way directional control valve 8 and the hydraulic fluid port of three position four-way directional control valve 8
Even, hydraulic oil enters the first actuator port and the first hydraulic fluid port P1 of hydraulic motor 6.1 to T-phase, from the second work of hydraulic motor 6.1
Hydraulic fluid port goes out, and enters two position and four-way reversing valve 7 hydraulic fluid port C, two position and four-way reversing valve 7 hydraulic fluid port D, hydraulic motor 6.2 second actuator port,
Going out from hydraulic motor 6.2 first actuator port, the hydraulic fluid port B subsequently into the 3rd hydraulic fluid port P3 and three position four-way directional control valve 8 returns hydraulic pressure
Fuel tank, thus drive hydraulic motor 6.1 to turn round with hydraulic motor 6.2 series aiding, and promote spool 2 to move to left end, make and
The 5th hydraulic fluid port C that 5th valve pocket is connected with and the 4th hydraulic fluid port V that is connected of the 4th valve pocket communicate, the 3rd valve pocket operating pressure and the 3rd
Hydraulic fluid port P3 operating pressure, three position four-way directional control valve 8 hydraulic fluid port B operating pressure are identical is all return pressure, big as repairing flow
The little through-flow openings area being controlled by the 4th valve pocket, the through-flow openings area of the 4th valve pocket depends on the position of spool 2, spool 2
Location-controlled is in the active force of spool both ends of the surface hydraulic oil, and this is a dynamic equilibrium position, it is possible to self adaptation ensures two horses
The pressure reduction reached is proportional, corresponding to the ratio of spool 2 end acting surface A3 Yu A1.
Three position four-way directional control valve 8 in right position, two position and four-way reversing valves 7 are when working in left position, the oil of three position four-way directional control valve 8
Mouth P is connected with the hydraulic fluid port A of three position four-way directional control valve 8, the hydraulic fluid port B of three position four-way directional control valve 8 and the hydraulic fluid port of three position four-way directional control valve 8
Even, two position and four-way reversing valve 7 hydraulic fluid port A and two position and four-way reversing valve 7 hydraulic fluid port D communicate T-phase, and hydraulic oil respectively enters hydraulic motor
First actuator port of 6.1, the second actuator port of hydraulic motor 6.2 and the first hydraulic fluid port P1, from the second work of hydraulic motor 6.1
Go out as hydraulic fluid port, through two position and four-way reversing valve 7 hydraulic fluid port C, two position and four-way reversing valve 7 hydraulic fluid port B, with the first work of hydraulic motor 6.2
Make hydraulic fluid port hydraulic oil out, the 3rd hydraulic fluid port P3 communicates with hydraulic oil container through the hydraulic fluid port B of three position four-way directional control valve 8 jointly, drives
Hydrodynamic pressure motor 6.1 is in parallel with hydraulic motor 6.2 to turn round in the same direction, again because of the second hydraulic fluid port P2 operating pressure, hydraulic motor 6.1 first
Actuator port operating pressure, the second actuator port operating pressure of hydraulic motor 6.2 and the first hydraulic fluid port basic phase of P1 operating pressure
Deng, the 3rd valve pocket operating pressure and the 3rd hydraulic fluid port P3 operating pressure, three position four-way directional control valve 8 hydraulic fluid port B operating pressure is identical is all
Return pressure, and spool 2 end acting surface A2 > A1, so active force works in right position more than right side active force on the left of spool 2, the
Four hydraulic fluid port V and the 5th hydraulic fluid port C are obstructed, thus without the Flux Loss being caused to pass through the 4th hydraulic fluid port V.
The Fill valve of the present invention can apply to horizontal directional drilling machine, twist bit, jumbolter, down-the-hole drill, rock core
The engineering machinery such as rig.Such as rotating speed and moment of torsion output in order to adapt to different geology and aperture demand, to rig, it is proposed that higher
Requirement, it is desirable to the coverage of rotating speed and moment of torsion is wider, generally uses the series-parallel mode of multiple fixed displacement motors to meet this requirement,
But the most also there is no a kind of effective method, solve the inconsistent defect brought of tandem hydraulic motor flow, use
The Fill valve of the present invention can effectively solve this problem.
Claims (4)
1. a serial-parallel motor rotary system Fill valve, it is characterised in that: it includes valve body (1), is arranged on valve body (1) inner chamber
The spool (2) having Oil Guide annular groove in the valve pocket being together to form with valve end cap (4), is arranged on first on valve end cap (4)
Hydraulic fluid port (P1), the second hydraulic fluid port (P2) being arranged on valve body (1), the 3rd hydraulic fluid port (P3), the 4th hydraulic fluid port (V), the 5th hydraulic fluid port (C)；
Wherein: the first hydraulic fluid port (P1) is by the first valve pocket phase of the damping II (3.2) that is arranged in oil duct with A1 side, spool (2) right side
Logical；Second hydraulic fluid port (P2) is by the second valve pocket phase of the damping III (3.3) that is arranged in oil duct with A2 side, spool (2) left side
Logical；3rd hydraulic fluid port (P3) is by the damping I (3.1) being arranged in oil duct and the ring cavity structure being positioned at right section of A3 of spool (2)
3rd valve pocket communicates；4th hydraulic fluid port (V) communicates with spool (2) radially the 4th valve pocket；5th hydraulic fluid port (C) and spool (2) radially
Five valve pockets communicate；Spool Oil Guide annular groove when described radial direction the 4th valve pocket is to be positioned at right stop by spool (2) is constituted, described radial direction
Spool Oil Guide annular groove when 5th valve pocket is to be positioned at left stop by spool (2) is constituted.
Serial-parallel motor rotary system Fill valve the most according to claim 1, it is characterised in that: described first hydraulic fluid port
(P1), the second hydraulic fluid port (P2) is separately positioned on the right side of spool (2), left end；Described 3rd hydraulic fluid port (P3), the 4th hydraulic fluid port (V), the 5th
Hydraulic fluid port (C) is all to arrange in the way of spool (2) axis perpendicular.
Serial-parallel motor rotary system Fill valve the most according to claim 1, it is characterised in that: described damping I
(3.1), damping II (3.2), damping III (3.3) are the interior six side's studs being provided with damping hole.
Serial-parallel motor rotary system Fill valve the most according to claim 1, it is characterised in that: described spool (2) right-hand member
The cross-sectional area of the face A1 cross-sectional area less than left side A2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510062282.2A CN104613040B (en) | 2015-02-06 | 2015-02-06 | A kind of serial-parallel motor rotary system Fill valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510062282.2A CN104613040B (en) | 2015-02-06 | 2015-02-06 | A kind of serial-parallel motor rotary system Fill valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104613040A CN104613040A (en) | 2015-05-13 |
| CN104613040B true CN104613040B (en) | 2016-09-07 |
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ID=53147641
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510062282.2A Active CN104613040B (en) | 2015-02-06 | 2015-02-06 | A kind of serial-parallel motor rotary system Fill valve |
Country Status (1)
| Country | Link |
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| CN (1) | CN104613040B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106321536A (en) * | 2016-11-08 | 2017-01-11 | 江苏柳工机械有限公司 | Self-walking shears-fork type high-altitude operation platform walking hydraulic system |
| CN111120446B (en) * | 2020-02-11 | 2021-10-15 | 维都利阀门有限公司 | Pressure control valve |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4188790A (en) * | 1974-02-21 | 1980-02-19 | A/S Bergens Mekaniske Verksteder | Hydraulic system for operation of a winch |
| CN201250815Y (en) * | 2008-09-19 | 2009-06-03 | 郑州宇通重工有限公司 | Bidirectional overloading oil feed valve adapted for rotary drilling rig |
| CN202228461U (en) * | 2011-09-28 | 2012-05-23 | 湘潭瑞龙液压有限公司 | Double-motor duel-speed switching valve |
| CN202851502U (en) * | 2012-10-30 | 2013-04-03 | 玉柴重工（常州）有限公司 | Valve bank used for series-parallel switch of multiple quantification hydraulic pressure motor |
| CN203176034U (en) * | 2013-02-04 | 2013-09-04 | 陕西航天动力高科技股份有限公司 | Volume changeable compact type overload oil supplement valve |
| CN204458623U (en) * | 2015-02-06 | 2015-07-08 | 郑州宇通重工有限公司 | A kind of serial-parallel motor rotary system Fill valve |
-
2015
- 2015-02-06 CN CN201510062282.2A patent/CN104613040B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4188790A (en) * | 1974-02-21 | 1980-02-19 | A/S Bergens Mekaniske Verksteder | Hydraulic system for operation of a winch |
| CN201250815Y (en) * | 2008-09-19 | 2009-06-03 | 郑州宇通重工有限公司 | Bidirectional overloading oil feed valve adapted for rotary drilling rig |
| CN202228461U (en) * | 2011-09-28 | 2012-05-23 | 湘潭瑞龙液压有限公司 | Double-motor duel-speed switching valve |
| CN202851502U (en) * | 2012-10-30 | 2013-04-03 | 玉柴重工（常州）有限公司 | Valve bank used for series-parallel switch of multiple quantification hydraulic pressure motor |
| CN203176034U (en) * | 2013-02-04 | 2013-09-04 | 陕西航天动力高科技股份有限公司 | Volume changeable compact type overload oil supplement valve |
| CN204458623U (en) * | 2015-02-06 | 2015-07-08 | 郑州宇通重工有限公司 | A kind of serial-parallel motor rotary system Fill valve |
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| Publication number | Publication date |
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| CN104613040A (en) | 2015-05-13 |
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