CN106764022B - A kind of hydraulicdirectional control valve power-off holding meanss - Google Patents

A kind of hydraulicdirectional control valve power-off holding meanss Download PDF

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Publication number
CN106764022B
CN106764022B CN201611039648.5A CN201611039648A CN106764022B CN 106764022 B CN106764022 B CN 106764022B CN 201611039648 A CN201611039648 A CN 201611039648A CN 106764022 B CN106764022 B CN 106764022B
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China
Prior art keywords
lever
transposition
control valve
hydraulicdirectional control
solenoid valve
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CN201611039648.5A
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CN106764022A (en
Inventor
刁海林
陈东成
卢小娟
李绍钦
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Guangxi University
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Guangxi University
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K35/00Means to prevent accidental or unauthorised actuation
    • F16K35/10Means to prevent accidental or unauthorised actuation with locking caps or locking bars
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K31/00Actuating devices; Operating means; Releasing devices
    • F16K31/02Actuating devices; Operating means; Releasing devices electric; magnetic
    • F16K31/06Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid
    • F16K31/0603Multiple-way valves

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Magnetically Actuated Valves (AREA)

Abstract

The invention discloses a kind of hydraulicdirectional control valves to power off holding meanss comprising:First axle bearing;Second hinge bearing;Replace lever, and one end is articulated on first axle bearing;The end of the spool of hydraulicdirectional control valve abuts against the side of transposition lever;It is convexly equipped with a lock pin on transposition lever;Replace solenoid valve, and the end of spool and the other end of transposition lever are hinged, and driving transposition lever is swung;Restoring lever, one end are articulated on second hinge bearing, and the other end is convexly equipped with a pintle hook lock;In the initial state, the lock pin to replace on lever acts against the bottom end on the inclined-plane of the pintle hook lock of restoring lever;And reset solenoid valve, the end of spool and the middle part of restoring lever are hinged, and driving restoring lever is swung.The present invention realizes that the power-off transposition of hydraulicdirectional control valve keeps function, simple in structure, easy implementation and power and energy saving by the cooperation of the lock pin of transposition lever and the pintle hook lock of restoring lever.

Description

A kind of hydraulicdirectional control valve power-off holding meanss
Technical field
The present invention relates to hydraulicdirectional control valve field, more particularly to a kind of hydraulicdirectional control valve powers off holding meanss.
Background technology
Some hydraulicdirectional control valves need to maintain transposition working condition for a long time in hydraulic system, meet the requirement at present Hydraulicdirectional control valve has following 4 kinds:Hand-operated direction valve, return of stroke valve, solenoid directional control valve, electro-hydraulic reversing valve with steel ball positioning. Hand-operated direction valve wherein with steel ball positioning needs manual operation, and manual reverse of direction, labour cost is high, and the reaction time is relatively slow Slowly, inconvenient to be used for industry automatic control occasion.Buting iron or actuated by cams commutation of the return of stroke valve on mechanical moving element, are answered For the equipment with return of stroke mechanism, belong to passive commutation, cannot independently be used as reversal valve.Solenoid directional control valve All it is to drive spool to commutate by the magnetic force for the coil generation being powered with electro-hydraulic reversing valve, automatic control system can be used for, still This needs persistently just reversal valve can be made to maintain on the position of commutation to work to coil energization, more to consume electric energy, for open country Outer or other electricity consumptions inconvenience engineer equipment is totally unfavorable.
Being disclosed in the information of the background technology part, it is only intended to increase understanding of the overall background of the invention, without answering It has been the prior art well known to persons skilled in the art when being considered as recognizing or imply that the information is constituted in any form.
Invention content
The purpose of the present invention is to provide a kind of hydraulicdirectional control valves to power off holding meanss, to overcome existing electromagnetism or electricity Liquid reversal valve needs persistently could persistently maintain the shortcomings that working under transposition state to coil energization.
To achieve the above object, the present invention provides a kind of hydraulicdirectional control valves to power off holding meanss, wherein including:First Rocker bar bearing;Second hinge bearing;Replace lever, and one end in a manner of swing can be articulated with the first axle branch On seat;The end of the spool of hydraulicdirectional control valve abuts against the side of the transposition lever;It is convexly equipped on the body of rod of the transposition lever One lock pin;Replace solenoid valve, and the end of spool and the other end of the transposition lever are hinged, which passes through spool Retraction and stretch the driving transposition lever and swung;Restoring lever, one end is with can be along the transposition lever The mode that length direction is swung is articulated on the second hinge bearing, and the other end of the restoring lever is convexly equipped with a lock Card, the pintle hook lock are provided with an inclined-plane;In the initial state, the lock pin on the transposition lever acts against the restoring lever The pintle hook lock the inclined-plane bottom end;And reset solenoid valve, the end of spool and the middle part of the restoring lever are cut with scissors It connects, the reset solenoid valve is by the retraction of spool and stretches the driving restoring lever and is swung.
Preferably, in above-mentioned technical proposal, the pintle hook lock is in triangle convex.
Preferably, in above-mentioned technical proposal, another face opposite with the inclined-plane is vertical plane on the pintle hook lock.
Preferably, in above-mentioned technical proposal, one end of the transposition lever passes through first connecting rod and the first axle branch Seat is hinged.
Preferably, in above-mentioned technical proposal, one end and one end of the first connecting rod of the transposition lever are hinged, And the other end of the first connecting rod is hinged with the first axle bearing.
Preferably, in above-mentioned technical proposal, one end of the restoring lever passes through second connecting rod and the second hinge branch Seat is hinged.
Preferably, in above-mentioned technical proposal, one end of the restoring lever and one end of the second connecting rod are hinged, And the other end of the second connecting rod is hinged with the second hinge bearing.
Preferably, in above-mentioned technical proposal, the transposition solenoid valve and the reset solenoid valve are supplied by same battery Electricity.
Preferably, in above-mentioned technical proposal, the anode of the transposition solenoid valve and the anode of the reset solenoid valve are each logical It crosses a positive electrical wire to connect with the anode of the battery, and the cathode of the cathode and the reset solenoid valve of the transposition solenoid valve It is respectively connect with the cathode of the battery by a negative electrical wire, a switch is each provided in two positive electrical wires.
Preferably, in above-mentioned technical proposal, the switch is touch switch open in usual.
Compared with prior art, the present invention has the advantages that:
1, the present invention when hydraulicdirectional control valve replace, it is only necessary to allow transposition solenoid valve it is of short duration obtain electric drive hydraulicdirectional control valve valve It can be powered off after core transposition.After the solenoid valve dead electricity that replaces, the lock pin on transposition lever is carried out by the pintle hook lock in restoring lever Locking, makes hydraulicdirectional control valve be continually maintained on the position of commutation and works.When hydraulicdirectional control valve need to reset, also only need to make multiple Position solenoid valve is electricly of short duration, and pintle hook lock in restoring lever is made to unlock the lock pin on transposition lever, in hydraulicdirectional control valve and Hydraulicdirectional control valve can be allowed to be restored to normal position under the action of resetting spring in transposition solenoid valve.The present invention can realize hydraulic pressure The power-off transposition of reversal valve is kept, and has many advantages, such as little power consumption, simple in structure, good reliability and be easily achieved to automatically control.
2, present invention transposition solenoid valve and reset solenoid valve are respectively controlled using touch switch open in usual, make transposition electromagnetism Valve and reset solenoid valve are in move in wink to work under state, achievees the purpose that power saving to greatest extent.
Description of the drawings
Fig. 1 is the structural schematic diagram that holding meanss are powered off according to hydraulicdirectional control valve of the present invention.
Main appended drawing reference explanation:
1- batteries, 2- negative lines, 3- electrode lines, 4- switches, 5- reset solenoid valves, 6- second hinge bearings, 7- second connect Bar, 8- restoring levers, 9- pintle hook locks, 10- lock pins, 11- replace solenoid valve, and 12- replaces lever, 13- first axle bearings, 14- the One connecting rod, 15- operating cylinders, 16- hydraulicdirectional control valves, 17- accumulators, 18- overflow valves, 19- check valves, 20- oil pumps.
Specific implementation mode
Below in conjunction with the accompanying drawings, the specific implementation mode of the present invention is described in detail, it is to be understood that the guarantor of the present invention Shield range is not restricted by specific implementation.
Unless otherwise explicitly stated, otherwise in entire disclosure and claims, term " comprising " or its change It changes such as "comprising" or " including " etc. and will be understood to comprise stated element or component, and do not exclude other members Part or other component parts.
Fig. 1 shows a kind of structural representation of hydraulicdirectional control valve power-off holding meanss according to the preferred embodiment of the present invention Figure, hydraulicdirectional control valve power-off holding meanss include first axle bearing 13, second hinge bearing 6, transposition lever 12, lock pin 10, replace solenoid valve 11, restoring lever 8, pintle hook lock 9 and reset solenoid valve 5, and with reference to figure 1, first axle bearing 13, second is cut with scissors Chain bearing 6, transposition solenoid valve 11 and reset solenoid valve 5 are fixedly installed.One end of transposition lever 12 is to be capable of the side of swing Formula is articulated on first axle bearing 13, and the end of the spool of hydraulicdirectional control valve 16 abuts against the side of transposition lever 12, transposition A lock pin 10 is convexly equipped on the body of rod of lever 12, lock pin 10 is straight pin.The end of the spool of transposition solenoid valve 11 and transposition thick stick The other end of bar 12 is hinged, and transposition solenoid valve 11 is by the retraction of spool and stretches driving transposition lever 12 and is swung.Lock Pin 10 can be located at the position of the spool close to transposition solenoid valve 11 on transposition lever 12.Can be hydraulic pressure when original state The spool of reversal valve 16 is in stretching state under the action of reset itself spring, and hydraulicdirectional control valve 16 is in a working condition (normality) can be the spool pressure of hydraulicdirectional control valve 16 when (the right direction regarded to figure) is swung the lever 12 that replaces forward Enter into valve body and converts working condition, and when (left direction regarded to figure) is swung the lever 12 that replaces backward, hydraulic pressure changes It is stretched out again under the action of the resetting spring of its own to the spool of valve 16, to restore original working condition.Preferably, One end of transposition lever 12 is hinged by first connecting rod 14 and first axle bearing 13, so as to increase transposition lever 12 Degree of freedom, prevent inversion mechanism generate movement interference.Can be replace lever 12 one end and first connecting rod 14 one end into Row is hinged, and the other end of first connecting rod 14 is hinged with first axle bearing 13.
It continues to refer to figure 1, the set-up mode of restoring lever 8 is similar with transposition lever 12, and one end of restoring lever 8 is with can The mode swung along the length direction of transposition lever 12 is articulated on second hinge bearing 6, so that restoring lever 8 was swung Direction is perpendicular to the direction that transposition lever 12 is swung.The other end of restoring lever 8 and transposition 12 cross-distribution of lever, and reset thick stick The other end of bar 8 is convexly equipped with a pintle hook lock 9, and pintle hook lock 9 is provided with an inclined-plane.In the initial state, restoring lever 8 and transposition lever 12 It can be mutually perpendicular to can also be non-perpendicular, the lock pin 10 on lever 12 that replaces acts against the oblique of the pintle hook lock 9 of restoring lever 8 The bottom end in face.Preferably, pintle hook lock 9 is in triangle convex, and it is further preferred that another face opposite with inclined-plane on pintle hook lock 9 For vertical plane.The end of the spool of reset solenoid valve 5 is hinged with restoring lever 8, and hinged place can be the body of rod in restoring lever 8 Middle part, reset solenoid valve 5 is by the retraction of spool and stretches driving restoring lever 8 and is swung.When original state, reset The spool of solenoid valve 5 is in stretching state, when reset solenoid valve 5 is powered, valve under the action of the resetting spring of its own Core is retracted, so that pintle hook lock 9 leaves lock pin 10, to not influence the reset of transposition lever 12.Preferably, one end of restoring lever 8 It is hinged by second connecting rod 7 and second hinge bearing 6, so as to increase the degree of freedom of restoring lever 8, prevents reset machine Structure generates movement interference.Can be that one end of restoring lever 8 is hinged with one end of second connecting rod 7, and second connecting rod 7 is another One end is hinged with the second hinged seat 6.
With reference to figure 1, further, transposition solenoid valve 11 and reset solenoid valve 5 are powered by same battery 1.Preferably, The anode of transposition solenoid valve 11 and the anode of reset solenoid valve 5 are respectively connect by a positive electrical wire 3 with the anode of battery 1, and are changed The cathode of position solenoid valve 11 and the cathode of reset solenoid valve 5 are respectively connect by a negative electrical wire 2 with the cathode of battery 1, and two just A switch 4 is each provided on pole electric wire 3, two switches 4 are set in same switch enclosure.It is further preferred that switch 4 is normal Open type touch switch.Present invention transposition solenoid valve 11 and reset solenoid valve 5 are powered by same battery 1, and are respectively adopted open in usual Touch switch controls, and so that transposition solenoid valve 11 and reset solenoid valve 5 is under wink dynamic state and works, is saved to greatest extent with reaching The purpose of electricity, it is especially suitable for using hydraulic control system of the accumulator as power supply.
The present invention the course of work be:
With reference to figure 1, hydraulicdirectional control valve 16 is set to one and is needed in the conventional hydraulic system to commutate, such as this is often The hydraulic system of rule is by operating cylinder 15, hydraulicdirectional control valve 16, accumulator 17, overflow valve 18, check valve 19, oil pump 20 and fuel tank Composition.When original state, hydraulicdirectional control valve 16 is in (normal position) state of reset, and spool remains out stretching, and replace solenoid valve 11 and reset solenoid valve 5 be also at reset (normal position) state, the spool of the two is at stretching state, and restoring lever 8 is vertical In transposition lever 12, lock pin 10 is stuck in the bottom end of the inclined-plane side of pintle hook lock 9.When start-up operation, first starting oil pump 20 makes hydraulic system Work, then the piston of operating cylinder 15 moves backward.When needing transposition, press logical for controlling transposition solenoid valve 11 in switch enclosure The switch 4 of electricity, transposition solenoid valve 11 it is electric, spool retraction pulls transposition lever 12 forward to swing promotion hydraulicdirectional control valve 16 Spool is retracted to commutate, and the effect of the resetting spring of reset solenoid valve 5 can be overcome when lock pin 10 crosses the inclined-plane of pintle hook lock 9, Restoring lever 8 is pressed from initial position, after lock pin 10 fully passes over pintle hook lock 9, then the piston advances forward of operating cylinder 15 carries out Transposition, and restoring lever 8 has put under the action of the resetting spring of reset solenoid valve 5 itself and has returned to initial position again.Then The switch 4 that control transposition solenoid valve 11 is powered is unclamped, replace 11 dead electricity of solenoid valve, in the reset bullet of itself of hydraulicdirectional control valve 16 Spring has under the trend that spool is ejected, and lock pin 10 holds out against with the vertical plane opposite with inclined-plane of pintle hook lock 9 and locked, and makes transposition thick stick Bar 12 cannot swing back into initial position, to make hydraulicdirectional control valve 16 still be maintained at the location status of commutation.When need again When reset, the switch 4 for controlling the energization of reset solenoid valve 5 in switch enclosure is pressed, reset solenoid valve 5 obtains electric, spool retraction It pulls restoring lever 8 to leave initial position, so that lock pin 10 is detached from pintle hook lock 9, hydraulicdirectional control valve 16 is in the resetting spring of itself Effect is lower to be resetted, and normal position state is returned to, and is then unclamped and is controlled the switch 4 that reset solenoid valve 5 is powered, 5 dead electricity of reset solenoid valve, then Restoring lever 8 returns to initial position in the promotion lower swing of the resetting spring of reset solenoid valve 5, the piston of operating cylinder 15 just to After move.
The present invention is when hydraulicdirectional control valve 16 replaces, it is only necessary to allow transposition solenoid valve 11 is of short duration to obtain electric drive hydraulicdirectional control valve 16 Spool transposition after can power off.After 11 dead electricity of solenoid valve that replaces, by the pintle hook lock 9 in restoring lever 8 on transposition lever 12 Lock pin 10 locked, so that hydraulicdirectional control valve 16 is continually maintained on the position of commutation and work.When hydraulicdirectional control valve 16 need to answer It when position, also only needs to make reset solenoid valve 5 is of short duration must be electric, makes the pintle hook lock 9 in restoring lever 8 to the lock pin 10 on transposition lever 12 It unlocks, hydraulicdirectional control valve 16 can be allowed extensive under the action of reset spring in hydraulicdirectional control valve 16 and transposition solenoid valve 11 Normal position is arrived again.The present invention can realize that the power-off transposition of hydraulicdirectional control valve 16 is kept, and have little power consumption, simple in structure, reliability Get well and be easily achieved the advantages that automatically controlling.
The description of the aforementioned specific exemplary embodiment to the present invention is in order to illustrate and illustration purpose.These descriptions It is not wishing to limit the invention to disclosed precise forms, and it will be apparent that according to the above instruction, can much be changed And variation.The purpose of selecting and describing the exemplary embodiment is that explaining the specific principle of the present invention and its actually answering With so that those skilled in the art can realize and utilize the present invention a variety of different exemplary implementation schemes and Various chooses and changes.The scope of the present invention is intended to be limited by claims and its equivalents.

Claims (10)

1. a kind of hydraulicdirectional control valve powers off holding meanss, which is characterized in that including:
First axle bearing;
Second hinge bearing;
Replace lever, and one end in a manner of swing can be articulated on the first axle bearing;Hydraulicdirectional control valve The end of spool abuts against the side of the transposition lever;A lock pin is convexly equipped on the body of rod of the transposition lever;
Replace solenoid valve, and the end of spool and the other end of the transposition lever are hinged, which passes through spool The driving transposition lever is retracted and stretches to be swung;
Restoring lever, one end are articulated with described second in a manner of it can be swung along the length direction of the transposition lever On rocker bar bearing, the other end of the restoring lever is convexly equipped with a pintle hook lock, and the pintle hook lock is provided with an inclined-plane;In the initial state, The lock pin on the transposition lever acts against the bottom end on the inclined-plane of the pintle hook lock of the restoring lever;And
Reset solenoid valve, the end of spool and the middle part of the restoring lever are hinged, the contracting which passes through spool The driving restoring lever is returned and stretches to be swung.
2. hydraulicdirectional control valve according to claim 1 powers off holding meanss, which is characterized in that the pintle hook lock is in triangle protrusion Shape.
3. hydraulicdirectional control valve according to claim 2 powers off holding meanss, which is characterized in that on the pintle hook lock with it is described tiltedly Another opposite face of face is vertical plane.
4. hydraulicdirectional control valve according to claim 1 powers off holding meanss, which is characterized in that one end of the transposition lever It is hinged by first connecting rod and the first axle bearing.
5. hydraulicdirectional control valve according to claim 4 powers off holding meanss, which is characterized in that one end of the transposition lever It is hinged with one end of the first connecting rod, and the other end of the first connecting rod is cut with scissors with the first axle bearing It connects.
6. hydraulicdirectional control valve according to claim 1 powers off holding meanss, which is characterized in that one end of the restoring lever It is hinged by second connecting rod and the second hinge bearing.
7. hydraulicdirectional control valve according to claim 6 powers off holding meanss, which is characterized in that one end of the restoring lever It is hinged with one end of the second connecting rod, and the other end of the second connecting rod is cut with scissors with the second hinge bearing It connects.
8. hydraulicdirectional control valve according to claim 1 powers off holding meanss, which is characterized in that the transposition solenoid valve and institute Reset solenoid valve is stated to be powered by same battery.
9. hydraulicdirectional control valve according to claim 8 powers off holding meanss, which is characterized in that the transposition solenoid valve is just The anode of pole and the reset solenoid valve is respectively connect by a positive electrical wire with the anode of the battery, and the transposition solenoid valve Cathode and the cathode of the reset solenoid valve respectively connect with the cathode of the battery by a negative electrical wire, two anodes A switch is each provided on electric wire.
10. hydraulicdirectional control valve according to claim 9 powers off holding meanss, which is characterized in that the switch is open in usual Touch switch.
CN201611039648.5A 2016-11-21 2016-11-21 A kind of hydraulicdirectional control valve power-off holding meanss Active CN106764022B (en)

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CN106764022B true CN106764022B (en) 2018-08-28

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Publication number Priority date Publication date Assignee Title
LU86679A1 (en) * 1986-11-21 1988-06-13 Wurth Paul Sa MECHANISM FOR OPERATING A DOSING VALVE
CN2283160Y (en) * 1996-11-28 1998-06-03 闫学富 Electric or hydraulic operated change valve
CN1167886C (en) * 1999-02-01 2004-09-22 雷践仁 Force feedback and pilot type multi-stage electro-hydraulic servo control element/assembly with directional flow or bidirectional displacement output
CN101988530A (en) * 2009-08-04 2011-03-23 沈阳东北电力调节技术有限公司 Lever feedback electrohydraulic servo mechanism
CN202441833U (en) * 2011-11-21 2012-09-19 苏州大学 Double-effect double-stage gas-liquid supercharging transmission apparatus
CN203374689U (en) * 2013-07-01 2014-01-01 中国人民解放军装甲兵工程学院 Pneumatic automatic operating device for vehicle clutch
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