CN203272767U - Multifunctional electro-hydraulic control operating valve - Google Patents
Multifunctional electro-hydraulic control operating valve Download PDFInfo
- Publication number
- CN203272767U CN203272767U CN 201320289897 CN201320289897U CN203272767U CN 203272767 U CN203272767 U CN 203272767U CN 201320289897 CN201320289897 CN 201320289897 CN 201320289897 U CN201320289897 U CN 201320289897U CN 203272767 U CN203272767 U CN 203272767U
- Authority
- CN
- China
- Prior art keywords
- valve
- solenoid valve
- valve body
- filler opening
- opening
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Abstract
The utility model relates to an operating valve, in particular to a multifunctional electro-hydraulic control operating valve. The multifunctional electro-hydraulic control operating valve mainly solves the technical problems that in the prior art an operating valve is large in size, few in function and limited in use range in actual work, the control function of starting and stopping a main oil line is not provided, safety is poor, the main oil pressure of the operating valve is still in the working pressure state when a gearbox is arranged in the neutral position, and the energy-saving effect is poor. The multifunctional electro-hydraulic control operating valve comprises a valve body (1). The multifunctional electro-hydraulic control operating valve is characterized in that the valve body (1) is provided with a pressure control device, a main oil line control device and a gear control device; the pressure control device comprises a pressure control mechanism and an energy storage buffering mechanism; the gear control device is composed of solenoid valves arranged on the left side and the right side of the valve body in a parallel laying-down mode; the devices are communicated through a main oil line (2) and a work oil line (3).
Description
Technical field
The utility model relates to a kind of control valve, especially relates to a kind of multifunctional electrohydraulic and controls control valve.
Background technique
At present loader uses the two last third gear machine hydraulic control speed change operating valves processed that fall basically, though this speed change operating valve is through multinomial technique improvements such as electrofluidic control devices, but can not meet market engineering machinery outside Present Domestic, build and build machinery, excavation machinery, wheeled excavating loader etc. particularly, the needs of New engineering machinery development.Chinese patent discloses a kind of electric liquid speed change valve (notice of authorization CN2559818Y), it includes solenoid valve, valve body the right has a solenoid valve is arranged respectively in three valve openings, in the upper left valve opening of valve body, pressure adjusting spring is housed, the pressure regulation pad, relief pressure valve cartridge and adjust pad is arranged on by plug screw that in valve opening, guiding valve is provided with the throttling pore of stablizing oil circuit pressure.It is supporting that this electrohydraulic control operating valve can only be used for the two last construction machinery gear boxes that fall, but exist volume large, and function is few, the using scope limitation; Do not have working connection to open, the control function of cut-out, poor stability; The control valve main oil pressure is still located the working pressure state when gearbox is hung neutral gear, and energy-saving effect is poor, can not satisfy the multi-functional development need of transmission device.
The model utility content
The utility model is to provide a kind of multifunctional electrohydraulic and controls control valve, and it is mainly that in the existing control valve real work of solution prior art, volume is large, and function is few, the using scope limitation; Do not have working connection to open, the control function of cut-out, poor stability; The technical problems such as the control valve main oil pressure is still located the working pressure state when gearbox is hung neutral gear, and energy-saving effect is poor.
Above-mentioned technical problem of the present utility model is mainly solved by following technical proposals:
Multifunctional electrohydraulic of the present utility model is controlled control valve, comprise valve body, establish pressure control device on described valve body, pressure control device comprises pressure control mechanism and energy-storage buffering mechanism, the working connection control gear, shift-position control apparatus, shift-position control apparatus is comprised of the solenoid valve that row is poured on two sides about valve body, and described each device is communicated with by working connection, working oil path.
The pressure controlled valve of pressure control mechanism is set to 1.6Mpa with the principal pressure of control valve, and principal pressure can be set according to the requirement of gearbox; The pressure buffer during gear shift of energy-storage buffering mechanism controls control valve reaches smooth shifting.The working connection control gear has working connection to be opened, and cutting function (power cut function) is located between working connection and working oil path.Controlled by two-position three way thread cartridge solenoid directional control valve of R1, when the closed electromagnetic valve state, the pressure oil of working connection enters that the 1# return opening from solenoid valve enters the oil back chamber release after solenoid valve 2# hydraulic fluid port, main oil pressure is moved under low-pressure state, energy-conservation, cooling effectively, the life-span of the parts such as prolongation Sealing; Open the R1 solenoid valve when gearbox needs work, working connection is communicated with working oil path by the 3# hydraulic fluid port from solenoid valve after solenoid valve 2# hydraulic fluid port, and to required gear hydraulic fluid port carrier fluid pressure energy, solenoid valve 1# return opening is at this moment closed by working oil path.The working connection control gear has the emergency brake function simultaneously, can't close gear solenoid valve or work gear solenoid valve when the electronic control system failure breaks down and can't close the gear oil circuit when stopping gearbox work, close the R1 solenoid valve of working connection control gear, working oil path is cut off, gearbox namely quits work, and has eliminated accident potential.It is 2 front 1 reverse gear position design and gearbox R1 shelves that three two-position three way thread cartridge solenoid valves rows of the R2 of shift-position control apparatus, F1, F2 are poured on valve body left and right two sides, the F1 shelves, the F2 shelves connect, open the solenoid valve of controlling gear when gearbox startup or gear shift, oil-feed is communicated with to gearbox carrier fluid pressure energy with 2# hydraulic fluid port (actuator port) pressure oil of working oil path through solenoid valve 3# hydraulic fluid port (filler opening).Otherwise the solenoid valve 3# hydraulic fluid port (filler opening) of closing control gear is closed, and 2# hydraulic fluid port (actuator port) is communicated with oil return unloading with 1# hydraulic fluid port (return opening), and gearbox quits work.
According to above-mentioned oil circuit design, sealing F2 solenoid valve oil circuit hydraulic fluid port, at this moment multifunctional electrohydraulic is controlled control valve and is only had forward gears and two gear designs of backward gear, particularly suitable only needs the long-range electrichydraulic control of commutation of the boats and ships gear-box of forward gears, backward gear control, to the technical innovation of boats and ships gear-box, satisfy the needs of sea, land transmission device diversification electrichydraulic control development.
The valve body oil circuit is designed along separate routes: directly be communicated with F1, F2 solenoid valve 3# filler opening from control valve pressure control device filler opening design the first working oil path; Being communicated with the second working oil path from the working connection of control valve energy-storage buffering mechanism is communicated with R1, R2 solenoid valve 3# filler opening.This design F1, F2 electromagnetic valve drag the mechanism such as bridge to what main oil pressure had a pressure constant state requirement; R1, R2 electromagnetic valve when gear switch to working pressure decompression arranged, boost, the mechanism of damping characteristics requirement.The multifunctional electrohydraulic of this oil circuit design is controlled control valve and is satisfied respectively the main frame different institutions to the requirement of pressure state, two groups of solenoid valves of the R1 of shift-position control apparatus, R2 and F1, F2 can synchronous working, can distinguish the complete independently state of a control again, realize the centralized control of a plurality of mechanisms.
Valve body working oil path Parallel Design is communicated with F1, F2 solenoid valve 3# hydraulic fluid port from control valve damping mechanism branch forward gears working oil path controls the I shelves that the advance II shelves that advance; The backward gear working oil path is communicated with R1, R2 solenoid valve 3# filler opening controls backward gear, and this 2 front 2 four gears that fall (also can set 3 front 1 falls to design) design, and are fit to the electrichydraulic control of the high Novel gear box of velocity ratio.
Multifunctional electrohydraulic is controlled control valve and is not being changed the internal structure design, design through oil circuit, to reach energy-saving, multipurpose, multi-functional product, be widely used in the electrichydraulic control of marine transmission, mining machinery transmission device, Construction Machinery Transmissions.
As preferably, described working connection control gear comprises the R1 solenoid valve that is located at the valve body left side, the oil outlet of R1 solenoid valve is corresponding with R1 oil outlet on valve body, the filler opening of R1 solenoid valve is corresponding with R1 filler opening on valve body, the first corresponding connection of return opening on the return opening of R1 solenoid valve and valve body, working connection is communicated with R1 filler opening on valve body.The working connection control gear has the unlatching to working connection, closing control, and its function: the 1st, close the R1 solenoid valve, working connection and working oil path are cut off, and are communicated with oil return, and gear-box (gearbox) hydraulic system is moved at low-pressure state, and be energy-saving and cost-reducing.The 2nd, unlatching R1 solenoid valve working connection is communicated with gear-box (gearbox) just can start working with working oil path, good reliability.The 3rd, gear-box (gearbox) is in working state, the break down solenoid valve that can't cut out the gear solenoid valve or control the work gear of electronic control system accident breaks down and can't cut out actuator port when stopping gear-box (gearbox) work, the R1 closed electromagnetic valve cuts off gear-box (gearbox) with working connection and quits work, and eliminates potential faults; With the braking device use that the R1 solenoid valve is used as power and cuts off, Security is good.
As preferably, described shift-position control apparatus comprises the R2 solenoid valve that is located at the valve body left side, be located at the F1 solenoid valve on valve body right side, the F2 solenoid valve, the filler opening of R2 solenoid valve is corresponding with R2 filler opening on valve body, the actuator port of R2 solenoid valve is corresponding with R2 actuator port on valve body, the second corresponding connection of return opening on the return opening of R2 solenoid valve and valve body; The filler opening of F1 solenoid valve is corresponding with F1 filler opening on valve body, and the actuator port of F1 solenoid valve is corresponding with F1 actuator port on valve body, the first corresponding connection of return opening on the return opening of F1 solenoid valve and valve body; The filler opening of F2 solenoid valve is corresponding with F2 filler opening on valve body, the actuator port of F2 solenoid valve is corresponding with F2 actuator port on valve body, the second corresponding connection of return opening on the return opening of F2 solenoid valve and valve body, R2, F1, each filler opening of F2 solenoid valve are communicated with working oil path.(falling back) R shelves of R2 electromagnetic valve control valve, F1 electromagnetic valve (advancing 1) F1 shelves, F2 electromagnetic valve (advancing 2) F2 shelves; The 3# work filler opening of R2, F1, F2 solenoid valve is communicated with the working oil path of valve body, when the R1 of principal pressure control gear solenoid valve unlatching working connection is communicated with working oil path, open R2, F1, wherein 1 filler opening oil-feed that solenoid valve is established solenoid valve of F2, be communicated with actuator port to gearbox respective notch carrier fluid pressure energy, at this moment the respective notch of gearbox is started working; Close this solenoid valve, the filler opening of this solenoid valve is closed, and actuator port is communicated with the return opening release, and the respective notch of gear-box quits work.Be applicable to the electric liquid shift control of gearbox of engineering machinery 2 front 1.
As preferably, described shift-position control apparatus comprises the R2 solenoid valve that is located at the valve body left side, be located at the F1 solenoid valve on valve body right side, the filler opening of R2 solenoid valve is corresponding with R2 filler opening on valve body, the actuator port of R2 solenoid valve is corresponding with R2 actuator port on valve body, the second corresponding connection of return opening on the return opening of R2 solenoid valve and valve body; The filler opening of F1 solenoid valve is corresponding with F1 filler opening on valve body, the actuator port of F1 solenoid valve is corresponding with F1 actuator port on valve body, the first corresponding connection of return opening on the return opening of F1 solenoid valve and valve body, R2, each filler opening of F1 solenoid valve are communicated with working oil path.R2 electromagnetic valve control valve (falling back) R shelves, F1 electromagnetic valve (advancing) F shelves, when the R1 of principal pressure control gear solenoid valve unlatching working connection is communicated with working oil path, open the R2 solenoid valve, if the oil-feed of solenoid valve 3# actuator port is communicated with the fuel-displaced reverse gear transmission hydraulic energy to gear-box of 2# actuator port, at this moment gear-box reverse gear is started working, and closes the R2 solenoid valve, and the filler opening of this solenoid valve is closed, actuator port is communicated with the return opening release, and the reverse gear of gear-box quits work.The F1 of opening and closing simultaneously electromagnetic valve work principle is identical with R2.Thisly advance, two gear oil circuits of backward gear control design, are particularly suitable for the electrichydraulic control of the transmission devices such as boats and ships gear-box.
As preferably, described shift-position control apparatus comprises R1 solenoid valve, the R2 solenoid valve that is located at the valve body left side, be located at the F1 solenoid valve on valve body right side, the F2 solenoid valve, the filler opening of R1 solenoid valve is corresponding with R1 filler opening on valve body, R1 electromagnetic valve work hydraulic fluid port is corresponding with R1 actuator port on valve body, the return opening of R1 solenoid valve and the first corresponding connection of return opening; The filler opening of R2 solenoid valve is corresponding with R2 filler opening on valve body, and the actuator port of R2 solenoid valve is corresponding with R2 actuator port on valve body, the second corresponding connection of return opening on the return opening of R2 solenoid valve and valve body; The filler opening of F1 solenoid valve is corresponding with F1 filler opening on valve body, and the actuator port of F1 solenoid valve is corresponding with F1 actuator port on valve body, the first corresponding connection of return opening on the return opening of F1 solenoid valve and valve body; The filler opening of F2 solenoid valve is corresponding with F2 filler opening on valve body, the actuator port of F2 solenoid valve is corresponding with F2 actuator port on valve body, the second corresponding connection of return opening on the return opening of F2 solenoid valve and valve body, R1, R2, F1, F2 solenoid valve filler opening are communicated with working oil path.Fall back 1 grade by R1, R2 electromagnetic valve, fall back 2 grades, advance 1 grade by F1, F2 electromagnetic valve, have 2 front 2 and fall 4 shift functions.It is by 4 electromagnetic valve of R1, R2, F1, F2 that are arranged in two sides about valve body, the filler opening of this solenoid valve is opened and is communicated with actuator port when opening 1 solenoid valve wherein, fuel-displaced to gearbox respective notch transmission hydraulic energy, the respective notch of gearbox is started working; Close this solenoid valve, the filler opening of this solenoid valve is closed, and actuator port is communicated with the return opening release, and gearbox quits work.The oil circuit design velocity ratio of this 4 gears is high, is applicable to the electric liquid shift control of gearbox of New engineering machinery 2 front 2 or 3 front 1.
As preferably, described shift-position control apparatus comprises R1 solenoid valve, the R2 solenoid valve that is located at the valve body left side, is located at the F1 solenoid valve on valve body right side, the F2 solenoid valve, and the second working oil path by constant-voltage characteristic is communicated with filler opening; The filler opening of F1 solenoid valve is corresponding with F1 filler opening on valve body, and the actuator port of F1 solenoid valve is corresponding with F1 actuator port on valve body, the first corresponding connection of return opening on the return opening of F1 solenoid valve and valve body; The filler opening of F2 solenoid valve is corresponding with F2 filler opening on valve body, and the actuator port of F2 solenoid valve is corresponding with F2 actuator port on valve body, the second corresponding connection of return opening on the return opening of F2 solenoid valve and valve body; R1 solenoid valve, R2 solenoid valve by the step-down when having gear shift of the first working oil path, boost, the working connection of buffer curve characteristic is communicated with; The filler opening of R1 solenoid valve is corresponding with R1 filler opening on valve body, and R1 electromagnetic valve work hydraulic fluid port is corresponding with R1 actuator port on valve body, the return opening of R1 solenoid valve and the first corresponding connection of return opening; The filler opening of R2 solenoid valve is corresponding with R2 filler opening on valve body, and the actuator port of R2 solenoid valve is corresponding with R2 actuator port on valve body, the second corresponding connection of return opening on the return opening of R2 solenoid valve and valve body.Open F1, or F2 1 solenoid valve wherein, the 3# actuator port of this solenoid valve is opened directly and be communicated with 2# work oil outlet after the filler opening oil circuit, drag mechanism's transmission hydraulic energies such as bridge to correspondence, when closing this solenoid valve, filler opening is closed, and actuator port is communicated with the return opening release, drags the mechanism such as bridge to quit work.Connect from the energy-storage buffering mechanism working connection of control valve and establish the second working oil path and be communicated with R1, R2 solenoid valve 3# actuator port, by R1, R2 electromagnetic valve to working pressure decompression arranged, boost, the gearbox-gear mechanism of damping characteristics requirement; Open wherein 1 solenoid valve of R1 or R2, this solenoid valve 3# actuator port is communicated with fuel-displaced the advancing or falling back respective notch transmission hydraulic energy to gearbox of 2# actuator port after opening oil-feed, gearbox is started working, close this solenoid valve, this solenoid valve filler opening is closed, working hole is communicated with the return opening release, and gearbox quits work.The oil circuit design of two kinds of pressure of this high and low shelves is specially adapted to the electrichydraulic control that two/4 wheel driven is contained in the New engineering machinery transmission devices such as excavator.
As preferably, described pressure control mechanism comprises being located at and is provided with stop collar, relief spring, reduction valve in valve body, main oil-hole is established at the reduction valve center, the reduction valve outside is provided with the sealing of filler opening plug screw, filler opening is established in the valve body bottom surface, standby filler opening is made at filler opening plug screw position, and the decompression return opening is established in valve bottom surface, the corresponding position of reduction valve, and the decompression return opening is established pressure tap.Filler opening is established in valve body bottom surface between reduction valve and filler opening plug screw, also can putting into hydraulic fluid port plug screw place equipment filler opening, connect oil-feed with tubular type; Establish the decompression return opening in valve body bottom, the corresponding position of reduction valve, return opening can dock with torque-converters, also can directly return into fuel tank; Establish the oil return pressure tap subtracting the return opening side, with the first pad and the sealing of the first plug screw.The pressure oil of oil pump input control valve filler opening during work, oil suction chamber place's formation high pressure at reduction valve, the promotion reduction valve moves to left, at this moment the return opening that reduces pressure is opened, filler opening is communicated with the decompression return opening, part pressure oil enters torque-converters or fuel tank by the decompression return opening, and by limit spring (relief spring), main oil pressure being set in the 1.6Mpa(main oil pressure can be by different main frame requirement setting pressure scope), pressure oil enters buffering and shift-position control apparatus by the main oil-hole at reduction valve center.
As preferably, described energy-storage buffering mechanism comprises and is located at interior to piston, the first damping spring, the second damping spring, limiting stopper, the 3rd damping spring, export-oriented piston in valve body 1, establish the buffering pressurized hole in export-oriented piston, export-oriented piston sleeve is contained in protecgulum, establishing working connection in valve body is communicated with the one-way valve oil circuit, the in-built check valve spring of unidirectional valve pocket, the one-way valve steel ball presses closer the one-way valve port on clamping plate, establish export-oriented piston oil circuit in protecgulum, the other throttle orifice of establishing of one-way valve port, the buffering return opening is established in interior valve body bottom surface to the piston corresponding position.Working connection is communicated with return opening when the R1 solenoid valve is in closed condition, and one-way valve is opened, the position of the export-oriented piston displacement of accumulation of energy during to installation, and main oil pressure at this moment is down to low-pressure state; When the R1 solenoid valve is in opening state, the oil return of working connection is cut off, at this moment closed check valve, the part high pressure oil of working connection enters the export-oriented piston left end of accumulation of energy by throttle orifice, form the export-oriented piston of pushed at high pressure accumulation of energy and move to right between protecgulum and the export-oriented piston of accumulation of energy, move to right to piston in compression promotes spacing near the first jump ring, close and be located at interior return opening to the piston place, make main oil pressure rise to setting pressure, pressure rising time 0.8-1.6S; The buffering pressurized hole at the export-oriented piston of accumulation of energy center plays the balanced action in the pressure rise process, overcomes the peak value of main oil pressure moment rising when boosting, and interior moving to left in the process of boosting to piston exposed return opening, eliminates hydraulic shock, reaches steady, flexible gear shift.
As preferably, described valve body top is established P working connection pressure tap and is connected with GAUGE CONNECTOR, and the valve body top also is provided with R1 work gear pressure tap, R2 work gear pressure tap, F1 work gear pressure tap, the F2 gear pressure tap of working.P working connection pressure tap and R1, R2, F1, F2 work gear pressure tap are used for setting pressure sensor or electronic signal sensor, to the main frame signal transmission, and the remote monitoring of main frame to pressure and work normality when being convenient to operation.
As preferably, the bottom surface of described manipulation valve body is provided with sealing paper washer, oil circuit transition plate, F1 connection jaws, F2 connection jaws.It can satisfy each function hydraulic fluid port of control valve and docks with gearbox (gear-box), to satisfy gearbox (gear-box) structural design.
Therefore, the utlity model has the pressure control device of pressure-reducing cushioning function, have working connection control gear and the design of four kinds of oil circuit row examples of electrohydraulic dynamic cutting function, reach the shift-position control apparatus of various ways shift function and Pressure characteristics; Its characteristics are: volume is little, and function is many, and is energy-conservation, efficient, safety, and versatility is good, is not only applicable to engineering, the mine, the electric liquid of the transmission device gearbox of the running mechanisms such as highway is handled, and the electric liquid that also is applicable to the marine transmission gear-box is handled control.
Description of drawings
Accompanying drawing 1 is outside schematic diagram of the present utility model;
Accompanying drawing 2 is internal structure schematic diagram of the present utility model;
Accompanying drawing 3 is side schematic views of the present utility model;
Accompanying drawing 4 is embodiment's 1 valve body bottom surface oil circuit schematic diagram;
Accompanying drawing 7 is embodiment's 4 valve body bottom surface oil circuit schematic diagram;
Accompanying drawing 8 is structural representations of the utility model one-way valve.
component in figure, position and numbering: valve body 1, working connection 2, working oil path 3, R1 solenoid valve 4, R1 oil outlet 5, R1 filler opening 6, the first return opening 7, R2 solenoid valve 8, F1 solenoid valve 9, F2 solenoid valve 10, R2 filler opening 11, R2 actuator port 12, the second return opening 13, F1 filler opening 14, F1 actuator port 15, F2 filler opening 16, F2 actuator port 17, the second working oil path 18, filler opening 19, the first working oil path 20, R1 actuator port 21, stop collar 22, relief spring 23, reduction valve 24, main oil-hole 25 is established at the reduction valve center, filler opening plug screw 26, sealing paper washer 27, standby filler opening 28, decompression return opening 29, interior to piston 30, the first damping spring 31, the second damping spring 32, limiting stopper 33, the 3rd damping spring 34, export-oriented piston 35, buffering pressurized hole 36, protecgulum 37, one-way valve oil circuit 38, unidirectional valve pocket 39, check valve spring 40, one-way valve steel ball 41, one-way valve port 42, export-oriented piston oil circuit 43, throttle orifice 44, buffering return opening 45, P working connection pressure tap 46, R1 work gear pressure tap 47, R2 work gear pressure tap 48, F1 work gear pressure tap 49, F2 work gear pressure tap 50, oil circuit transition plate 51, F1 connection jaws 52, F2 connection jaws 53.
Embodiment
Below by embodiment, and by reference to the accompanying drawings, the technical solution of the utility model is described in further detail.
Embodiment 1: this routine multifunctional electrohydraulic is controlled control valve, as Fig. 1, comprise valve body 1, establish pressure control device on valve body, pressure control device comprises pressure control mechanism and energy-storage buffering mechanism, working connection control gear, shift-position control apparatus, shift-position control apparatus is comprised of the solenoid valve that row is poured on two sides about valve body, and described each device is communicated with by working connection 2, working oil path 3.The valve body top is established P working connection pressure tap 46 and is connected with GAUGE CONNECTOR, also is provided with R1 work gear pressure tap 47, R2 work gear pressure tap 48, F1 work gear pressure tap 49, F2 work gear pressure tap 50 above valve body.As Fig. 3, the bottom surface of handling valve body is provided with sealing paper washer 27, oil circuit transition plate 51, F1 connection jaws 52, F2 connection jaws 53.
The working connection control gear comprises the R1 solenoid valve 4 that is located at the valve body left side, the oil outlet of R1 solenoid valve is corresponding with R1 oil outlet 5 on valve body, the filler opening of R1 solenoid valve is corresponding with R1 filler opening 6 on valve body, the first corresponding connection of return opening 7 on the return opening of R1 solenoid valve and valve body, working connection 2 is communicated with R1 filler opening 6 on valve body.Oil outlet by the R1 solenoid valve after pressure oil enters valve body R1 filler opening through working connection when the R1 solenoid valve is opened is fuel-displaced from R1 oil outlet 5, is communicated with working oil path to shift-position control apparatus carrier fluid pressure energy through the actuator port of R1 solenoid valve.
As Fig. 4, shift-position control apparatus comprises the R2 solenoid valve 8 that is located at the valve body left side, be located at the F1 solenoid valve 9 on valve body right side, F2 solenoid valve 10, the filler opening of R2 solenoid valve is corresponding with R2 filler opening 11 on valve body, the actuator port of R2 solenoid valve is corresponding with R2 actuator port 12 on valve body, the second corresponding connection of return opening 13 on the return opening of R2 solenoid valve and valve body; The filler opening of F1 solenoid valve is corresponding with F1 filler opening 14 on valve body, and the actuator port of F1 solenoid valve is corresponding with F1 actuator port 15 on valve body, the first corresponding connection of return opening 7 on the return opening of F1 solenoid valve and valve body; The filler opening of F2 solenoid valve is corresponding with F2 filler opening 16 on valve body, the actuator port of F2 solenoid valve is corresponding with F2 actuator port 17 on valve body, the second corresponding connection of return opening 13 on the return opening of F2 solenoid valve and valve body, R2, F1, each filler opening of F2 solenoid valve are communicated with working oil path 3.When opening R2, F1, F2 wherein during any 1 solenoid valve, fuel-displaced to gearbox carrier fluid pressure energy through actuator port by the filler opening oil-feed that is communicated with working oil path, the gear unlatching work that gearbox is connected.When closing this solenoid valve, filler opening is closed, and actuator port is communicated with return opening oil return release, and hydraulic function cuts off, and the gearbox respective notch quits work.This 2 front 1 fall design, and conventional R2 is communicated with the backward gear of gearbox, and F1, F2 are communicated with gearbox and advance 1, advance 2 grades.
As Fig. 2, pressure control mechanism comprises being located at and is provided with stop collar 22, relief spring 23, reduction valve 24 in valve body, main oil-hole 25 is established at the reduction valve center, the reduction valve outside is provided with 26 sealings of filler opening plug screw, filler opening 19 is established in the valve body bottom surface, standby filler opening 28 is made at filler opening plug screw position, and decompression return opening 29 is established in valve bottom surface, the corresponding position of reduction valve, and the decompression return opening is established pressure tap.Above-mentioned each pressure measurement hydraulic fluid port is used for main unit hydraulic or the remote monitoring of electronic signal sensor.
as Fig. 2, Fig. 8, energy-storage buffering mechanism comprises and is located at interior to piston 30 in valve body 1, the first damping spring 31, the second damping spring 32, limiting stopper 33, the 3rd damping spring 34, export-oriented piston 35, establish buffering pressurized hole 36 in export-oriented piston, export-oriented piston sleeve is contained in protecgulum 37, establishing working connection in valve body is communicated with one-way valve oil circuit 38, the in-built check valve spring 40 of unidirectional valve pocket 39, one-way valve steel ball 41 presses closer the one-way valve port 42 on clamping plate, establish export-oriented piston oil circuit 43 in protecgulum, the other throttle orifice 44 of establishing of one-way valve port, buffering return opening 45 is established in interior valve body bottom surface to the piston corresponding position.
Embodiment 2: this routine multifunctional electrohydraulic is controlled control valve, as Fig. 5, shift-position control apparatus comprises the R2 solenoid valve 8 that is located at valve body 1 left side, be located at the F1 solenoid valve 9 on valve body right side, the filler opening of R2 solenoid valve is corresponding with R2 filler opening 11 on valve body, the actuator port of R2 solenoid valve is corresponding with R2 actuator port 12 on valve body, the second corresponding connection of return opening 13 on the return opening of R2 solenoid valve and valve body; The filler opening of F1 solenoid valve is corresponding with F1 filler opening 14 on valve body, the actuator port of F1 solenoid valve is corresponding with F1 actuator port 15 on valve body, the first corresponding connection of return opening 7 on the return opening of F1 solenoid valve and valve body, R2, each filler opening of F1 solenoid valve are communicated with working oil path 3.When opening wherein 1 solenoid valve of R2 or F1, by the filler opening oil-feed that is communicated with working oil path, through actuator port to gear-box carrier fluid pressure energy, gear-box advance or backward gear is started working, when closing this solenoid valve, filler opening is closed, and actuator port is communicated with the return opening release; Hydraulic function cuts off, and the respective notch of gearbox quits work.This 1 front 1 falls to design, and conventional R2 is communicated with the gear-box backward gear, and F1 is communicated with forward gears.The electrichydraulic control of particularly suitable boats and ships gear-box.
All the other are with embodiment 1.
Embodiment 3: this routine multifunctional electrohydraulic is controlled control valve, as Fig. 6, shift-position control apparatus comprises R1 solenoid valve 4, the R2 solenoid valve 8 that is located at valve body 1 left side, be located at the F1 solenoid valve 9 on valve body right side, F2 solenoid valve 10, the filler opening of R1 solenoid valve is corresponding with R1 filler opening 6 on valve body, and R1 electromagnetic valve work hydraulic fluid port is corresponding with R1 actuator port 21 on valve body, the return opening of R1 solenoid valve and the first corresponding connection of return opening 7; The filler opening of R2 solenoid valve is corresponding with R2 filler opening 11 on valve body, and the actuator port of R2 solenoid valve is corresponding with R2 actuator port 12 on valve body, the second corresponding connection of return opening 13 on the return opening of R2 solenoid valve and valve body; The filler opening of F1 solenoid valve is corresponding with F1 filler opening 14 on valve body, and the actuator port of F1 solenoid valve is corresponding with F1 actuator port 15 on valve body, the first corresponding connection of return opening 7 on the return opening of F1 solenoid valve and valve body; The filler opening of F2 solenoid valve is corresponding with F2 filler opening 16 on valve body, the actuator port of F2 solenoid valve is corresponding with F2 actuator port 17 on valve body, the second corresponding connection of return opening 13 on the return opening of F2 solenoid valve and valve body, R1, R2, F1, F2 solenoid valve filler opening are communicated with working oil path 3.When opening R1, R2, F1, F2 wherein during any 1 solenoid valve, be communicated with filler opening by working oil path, fuel-displaced to gearbox carrier fluid pressure energy through actuator port, the gear unlatching work that gearbox is connected; When closing this solenoid valve, filler opening is closed, and actuator port is communicated with the return opening release, and hydraulic pressure kinetic energy cuts off, and the gearbox respective notch quits work.This 2 front 2 fall design, and conventional R1, R2 are communicated with gearbox and fall back and 1 fall back 2 grades, and F1, F2 are communicated with gearbox and advance and 1 advance 2 grades.(also can set 3 front 1 falls to design) fourth gear position design is fit to the high Novel gear box electrichydraulic control of velocity ratio.
All the other are with embodiment 1.
Embodiment 4: this routine multifunctional electrohydraulic is controlled control valve, as Fig. 7, shift-position control apparatus comprises R1 solenoid valve 4, the R2 solenoid valve 8 that is located at valve body 1 left side, is located at the F1 solenoid valve 9 on valve body right side, F2 solenoid valve 10, the second working oil path 18 by constant-voltage characteristic is communicated with filler opening 19; The filler opening of F1 solenoid valve is corresponding with F1 filler opening 14 on valve body, and the actuator port of F1 solenoid valve is corresponding with F1 actuator port 15 on valve body, the first corresponding connection of return opening 7 on the return opening of F1 solenoid valve and valve body; The filler opening of F2 solenoid valve is corresponding with F2 filler opening 16 on valve body, and the actuator port of F2 solenoid valve is corresponding with F2 actuator port 17 on valve body, the second corresponding connection of return opening 13 on the return opening of F2 solenoid valve and valve body; When opening F1 or F2 wherein during 1 solenoid valve, be communicated with filler opening by the second working oil path, fuel-displaced to dragging mechanism's carrier fluid pressure energy such as bridge through actuator port; When closing this solenoid valve, filler opening is closed, and actuator port is communicated with the return opening release, and hydraulic pressure kinetic energy cuts off, and this mechanism quits work.The design of this constant-voltage characteristic is specially adapted to control oil cylinder, drags the mechanisms such as bridge.R1 solenoid valve, R2 solenoid valve by the step-down when having gear shift of the first working oil path 20, boost, the working connection of buffer curve characteristic is communicated with; The filler opening of R1 solenoid valve is corresponding with R1 filler opening 6 on valve body, and R1 electromagnetic valve work hydraulic fluid port is corresponding with R1 actuator port 21 on valve body, the return opening of R1 solenoid valve and the first corresponding connection of return opening 7; The filler opening of R2 solenoid valve is corresponding with R2 filler opening 11 on valve body, and the actuator port of R2 solenoid valve is corresponding with R2 actuator port 12 on valve body, the second corresponding connection of return opening 13 on the return opening of R2 solenoid valve and valve body.When opening R1 or R2 solenoid valve, by the first oil circuit be communicated with working connection through actuator port to the advancing or the carrier fluid pressure energy that falls back of corresponding gearbox, when closing this solenoid valve, filler opening is closed, working oil path is communicated with the return opening release, and hydraulic function cuts off, and this gear quits work.Step-down during this gear shift, the compensator or trimmer pressure characteristic of boosting are applicable to the gearbox power shfit, realize two kinds of Pressure characteristics designs of two kinds of oil circuits of high and low pressure on same control valve, be applicable to the transmission device of two kinds of pressure requirements, realize a plurality of mechanisms electricity liquid centralized control.
All the other are with embodiment 1.
The above is only specific embodiment of the utility model, but structure characteristic of the present utility model is not limited to this, any those skilled in the art is in field of the present utility model, and the variation of doing or modification all are encompassed among the scope of the claims of the present utility model.
Claims (10)
1. a multifunctional electrohydraulic is controlled control valve, comprise valve body (1), it is characterized in that establishing pressure control device on described valve body (1), pressure control device comprises pressure control mechanism and energy-storage buffering mechanism, the working connection control gear, shift-position control apparatus, shift-position control apparatus is comprised of the solenoid valve that row is poured on two sides about valve body, and described each device is communicated with by working connection (2), working oil path (3).
2. multifunctional electrohydraulic according to claim 1 is controlled control valve, it is characterized in that described working connection control gear comprises the R1 solenoid valve (4) that is located at valve body (1) left side, the oil outlet of R1 solenoid valve is corresponding with R1 oil outlet (5) on valve body, the filler opening of R1 solenoid valve is corresponding with R1 filler opening (6) on valve body, the corresponding connection of the first return opening (7) on the return opening of R1 solenoid valve and valve body, working connection (2) is communicated with R1 filler opening (6) on valve body.
3. multifunctional electrohydraulic according to claim 1 is controlled control valve, it is characterized in that described shift-position control apparatus comprises the R2 solenoid valve (8) that is located at valve body (1) left side, be located at the F1 solenoid valve (9) on valve body right side, F2 solenoid valve (10), the filler opening of R2 solenoid valve is corresponding with R2 filler opening (11) on valve body, the actuator port of R2 solenoid valve is corresponding with R2 actuator port (12) on valve body, the corresponding connection of the second return opening (13) on the return opening of R2 solenoid valve and valve body; The filler opening of F1 solenoid valve is corresponding with F1 filler opening (14) on valve body, and the actuator port of F1 solenoid valve is corresponding with F1 actuator port (15) on valve body, the corresponding connection of the first return opening (7) on the return opening of F1 solenoid valve and valve body; The filler opening of F2 solenoid valve is corresponding with F2 filler opening (16) on valve body, the actuator port of F2 solenoid valve is corresponding with F2 actuator port (17) on valve body, the corresponding connection of the second return opening (13) on the return opening of F2 solenoid valve and valve body, R2, F1, each filler opening of F2 solenoid valve are communicated with working oil path (3).
4. multifunctional electrohydraulic according to claim 1 is controlled control valve, it is characterized in that described shift-position control apparatus comprises the R2 solenoid valve (8) that is located at valve body (1) left side, be located at the F1 solenoid valve (9) on valve body right side, the filler opening of R2 solenoid valve is corresponding with R2 filler opening (11) on valve body, the actuator port of R2 solenoid valve is corresponding with R2 actuator port (12) on valve body, the corresponding connection of the second return opening (13) on the return opening of R2 solenoid valve and valve body; The filler opening of F1 solenoid valve is corresponding with F1 filler opening (14) on valve body, the actuator port of F1 solenoid valve is corresponding with F1 actuator port (15) on valve body, the corresponding connection of the first return opening (7) on the return opening of F1 solenoid valve and valve body, R2, each filler opening of F1 solenoid valve are communicated with working oil path (3).
5. multifunctional electrohydraulic according to claim 1 is controlled control valve, it is characterized in that described shift-position control apparatus comprises R1 solenoid valve (4), the R2 solenoid valve (8) that is located at valve body (1) left side, be located at the F1 solenoid valve (9) on valve body right side, F2 solenoid valve (10), the filler opening of R1 solenoid valve is corresponding with R1 filler opening (6) on valve body, R1 electromagnetic valve work hydraulic fluid port is corresponding with R1 actuator port (21) on valve body, the return opening of R1 solenoid valve and the corresponding connection of the first return opening (7); The filler opening of R2 solenoid valve is corresponding with R2 filler opening (11) on valve body, and the actuator port of R2 solenoid valve is corresponding with R2 actuator port (12) on valve body, the corresponding connection of the second return opening (13) on the return opening of R2 solenoid valve and valve body; The filler opening of F1 solenoid valve is corresponding with F1 filler opening (14) on valve body, and the actuator port of F1 solenoid valve is corresponding with F1 actuator port (15) on valve body, the corresponding connection of the first return opening (7) on the return opening of F1 solenoid valve and valve body; The filler opening of F2 solenoid valve is corresponding with F2 filler opening (16) on valve body, the actuator port of F2 solenoid valve is corresponding with F2 actuator port (17) on valve body, the corresponding connection of the second return opening (13) on the return opening of F2 solenoid valve and valve body, R1, R2, F1, F2 solenoid valve filler opening are communicated with working oil path (3).
6. multifunctional electrohydraulic according to claim 1 is controlled control valve, it is characterized in that described shift-position control apparatus comprises R1 solenoid valve (4), the R2 solenoid valve (8) that is located at valve body (1) left side, be located at the F1 solenoid valve (9) on valve body right side, F2 solenoid valve (10), the second working oil path (18) by constant-voltage characteristic is communicated with filler opening (19); The filler opening of F1 solenoid valve is corresponding with F1 filler opening (14) on valve body, and the actuator port of F1 solenoid valve is corresponding with F1 actuator port (15) on valve body, the corresponding connection of the first return opening (7) on the return opening of F1 solenoid valve and valve body; The filler opening of F2 solenoid valve is corresponding with F2 filler opening (16) on valve body, and the actuator port of F2 solenoid valve is corresponding with F2 actuator port (17) on valve body, the corresponding connection of the second return opening (13) on the return opening of F2 solenoid valve and valve body; R1 solenoid valve, R2 solenoid valve by the first working oil path (20) step-down when having gear shift, boost, the working connection (2) of buffer curve characteristic is communicated with; The filler opening of R1 solenoid valve is corresponding with R1 filler opening (6) on valve body, and R1 electromagnetic valve work hydraulic fluid port is corresponding with R1 actuator port (21) on valve body, the return opening of R1 solenoid valve and the corresponding connection of the first return opening (7); The filler opening of R2 solenoid valve is corresponding with R2 filler opening (11) on valve body, and the actuator port of R2 solenoid valve is corresponding with R2 actuator port (12) on valve body, the corresponding connection of the second return opening (13) on the return opening of R2 solenoid valve and valve body.
7. multifunctional electrohydraulic according to claim 1 is controlled control valve, it is characterized in that described pressure control mechanism comprises being located at is provided with stop collar (22), relief spring (23), reduction valve (24) in valve body (1), main oil-hole (25) is established at the reduction valve center, the reduction valve outside is provided with filler opening plug screw (26) sealing, filler opening is established in the valve body bottom surface, standby filler opening (28) is made at filler opening plug screw position, decompression return opening (29) is established in valve bottom surface, the corresponding position of reduction valve, and the decompression return opening is established pressure tap.
8. multifunctional electrohydraulic according to claim 1 is controlled control valve, it is characterized in that described energy-storage buffering mechanism comprises is located at interior to piston (30) in valve body (1), the first damping spring (31), the second damping spring (32), limiting stopper (33), the 3rd damping spring (34), export-oriented piston (35), establish buffering pressurized hole (36) in export-oriented piston, export-oriented piston sleeve is contained in protecgulum (37), establishing working connection (2) in valve body is communicated with one-way valve oil circuit (38), the in-built check valve spring of unidirectional valve pocket (39) (40), one-way valve steel ball (41) presses closer the one-way valve port (42) on clamping plate, establish export-oriented piston oil circuit (43) in protecgulum, the other throttle orifice (44) of establishing of one-way valve port, buffering return opening (45) is established in interior valve body bottom surface to the piston corresponding position.
9. multifunctional electrohydraulic according to claim 1 is controlled control valve, it is characterized in that described valve body (1) top establishes P working connection pressure tap (46) and is connected with GAUGE CONNECTOR, the valve body top also is provided with R1 work gear pressure tap (47), R2 gear pressure tap (48), F1 gear pressure tap (49), the F2 gear pressure tap (50) of working of working of working.
10. multifunctional electrohydraulic according to claim 1 is controlled control valve, it is characterized in that the bottom surface of described manipulation valve body (1) is provided with sealing paper washer (27), oil circuit transition plate (51), F1 connection jaws (52), F2 connection jaws (53).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320289897 CN203272767U (en) | 2013-05-24 | 2013-05-24 | Multifunctional electro-hydraulic control operating valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320289897 CN203272767U (en) | 2013-05-24 | 2013-05-24 | Multifunctional electro-hydraulic control operating valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203272767U true CN203272767U (en) | 2013-11-06 |
Family
ID=49503185
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320289897 Expired - Fee Related CN203272767U (en) | 2013-05-24 | 2013-05-24 | Multifunctional electro-hydraulic control operating valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203272767U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106438540A (en) * | 2016-10-09 | 2017-02-22 | 合肥协力液压科技有限公司 | Electromagnetic speed reduction manual control valve |
| CN106499687A (en) * | 2016-10-09 | 2017-03-15 | 合肥协力液压科技有限公司 | A kind of fluid drive electric hydraulic control valve |
| CN109737201A (en) * | 2019-02-28 | 2019-05-10 | 山东郯工液压科技有限公司 | A kind of first three latter electro-hydraulic manipulation valve of loading machine gearbox |
-
2013
- 2013-05-24 CN CN 201320289897 patent/CN203272767U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106438540A (en) * | 2016-10-09 | 2017-02-22 | 合肥协力液压科技有限公司 | Electromagnetic speed reduction manual control valve |
| CN106499687A (en) * | 2016-10-09 | 2017-03-15 | 合肥协力液压科技有限公司 | A kind of fluid drive electric hydraulic control valve |
| CN109737201A (en) * | 2019-02-28 | 2019-05-10 | 山东郯工液压科技有限公司 | A kind of first three latter electro-hydraulic manipulation valve of loading machine gearbox |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN207621329U (en) | A kind of hydraulic control system of double-clutch speed changer | |
| CN201443544U (en) | Multichannel hydraulic control valve used for prorating load flow | |
| JP2016500796A (en) | Energy recovery system with integrated boom / swing circuit | |
| CN201779083U (en) | Hydraulic control system | |
| CN203272767U (en) | Multifunctional electro-hydraulic control operating valve | |
| CN103924626A (en) | Energy-saving rotary table drive system and drive control method of electric drive hydraulic excavator | |
| CN203834553U (en) | Energy-saving rotary table driving system for electrically-driven hydraulic excavator | |
| CN202251264U (en) | Potential energy recycling device for hydraulic excavator | |
| CN105626844A (en) | Hydraulic control system of wet type double-clutch speed changing box | |
| CN203500145U (en) | Pressure compensation and automatic unloading hydraulic system of loader fixed displacement pump | |
| CN202023782U (en) | Rotary hydraulic system of crane and rotary cushion valve of rotary hydraulic system | |
| US9388829B2 (en) | Hydraulic control system having swing motor energy recovery | |
| CN108194457B (en) | Hydraulic jacking system and tower crane | |
| CN204164330U (en) | For hydraulic control system and the machine comprising this system of speed changer | |
| CN112173994B (en) | Control valve unit, hydraulic control loop and engineering equipment with telescopic crane boom | |
| CN202381429U (en) | Forward jumping prevention control valve of crane telescopic oil cylinder and crane telescopic system | |
| CN210566181U (en) | Control oil source block of automatic transmission of agricultural machine | |
| CN205207311U (en) | Meso position burden flow valve, swing arm energy -saving control system and excavator | |
| CN202176562U (en) | Electro-hydraulic speed control valve | |
| CN106382263A (en) | Automatic speed changing and inching integrated electro-hydraulic control valve | |
| CN103148036B (en) | Hydrovalve | |
| CN205001500U (en) | Automatically controlled gearbox hydraulic control device of loader | |
| CN104019225A (en) | Hydrodynamic transmission control system | |
| CN203769642U (en) | Oil way system for regulating and controlling positioning speed of hydraulic rock drilling | |
| CN103591058A (en) | Emergency hydraulic system of center hydraulic transmission hydraulic lifting harrow thickener |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131106 Termination date: 20190524 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |