CN105697442B - A kind of low pressure adjusting reversing combined valve of electrical-liquid control - Google Patents
A kind of low pressure adjusting reversing combined valve of electrical-liquid control Download PDFInfo
- Publication number
- CN105697442B CN105697442B CN201610212062.8A CN201610212062A CN105697442B CN 105697442 B CN105697442 B CN 105697442B CN 201610212062 A CN201610212062 A CN 201610212062A CN 105697442 B CN105697442 B CN 105697442B
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- Prior art keywords
- valve
- unicom
- oil
- pressure
- low pressure
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B13/00—Details of servomotor systems ; Valves for servomotor systems
- F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
- F16H61/02—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing characterised by the signals used
- F16H61/0202—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing characterised by the signals used the signals being electric
- F16H61/0204—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing characterised by the signals used the signals being electric for gearshift control, e.g. control functions for performing shifting or generation of shift signal
- F16H61/0206—Layout of electro-hydraulic control circuits, e.g. arrangement of valves
-
- 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
- F15B2013/002—Modular valves, i.e. consisting of an assembly of interchangeable components
-
- 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
- F15B2013/002—Modular valves, i.e. consisting of an assembly of interchangeable components
- F15B2013/004—Cartridge valves
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Hydraulic Clutches, Magnetic Clutches, Fluid Clutches, And Fluid Joints (AREA)
Abstract
A kind of low pressure adjusting reversing combined valve of electrical-liquid control, it includes mainly：Pressure controlling section, commutation part, electric-hydraulic proportion low pressure adjust part, and the pressure controlling section, commutation part and electric-hydraulic proportion low pressure are adjusted part three parts and is arranged with modularization, and are interconnected by respective internal oil channel, wherein：Pressure controlling section is to be made of successively baffle ring, seal receptacle, " O " shape sealing ring, valve piston, compression spring, boosting piston, check valve and the throttle valve in pressure regulator valve body, and form oil suction chamber and control oil pocket；Commutation part is made of two plug-in two position, three-way electromagnetic change valves, plug-in shuttle valve and commutation valve body；The A mouths of plug-in two position, three-way electromagnetic change valve respectively with I gear clutchs and II gear clutch unicom, B mouthfuls with oil return opening unicom, and A, B mouthfuls of unicom when under initial position, i.e. power failure state；Electric-hydraulic proportion low pressure adjusts part and is made of type plug-in electro-hydraulic ratio valve and its ratio valve seat and built-in oil duct.
Description
Technical field
The present invention relates to a kind of low pressure of electrical-liquid control adjust, reversing combined valve, be mainly used for ship and its
It with wet type hydraulic friction clutches transmission device on, can realize transmission device gear control function and
The control pressure of gear clutch is continuously adjusted in wide range, is realized the purpose of each gear electrodeless variable-speed of transmission device, is belonged to
Electric hydraulic control valve technical field.
Background technology
For can be reversed marine transmission, turn to change, generally by hydraulic control valve to wet type gear from
What the control of clutch was realized, this kind of control device only has commutation function, but in fire-fighting, pull in shore, fish, the special operation conditions such as lockage
Under, also control device is required to have both speed-regulating function：I.e. while control valve commutates, also want that clutch can be changed in a certain range
Device pressure obtains different output rotating speeds by the opposite sliding wear of clutch friction plate, to obtain lower ship's navigation speed
Degree.
Invention content
It is an object of the invention to overcome the shortcomings of the prior art, and provide it is a kind of reasonable for structure, using reliable, both
The electric control reversing operation to transmission device may be implemented, and continuous low pressure adjusting can be carried out to gear clutch oil pressure, make to rub
The low pressure of the electrical-liquid control of the abundant sliding wear of pad adjusts reversing combined valve.
The purpose of the present invention is by following technical solution to complete：A kind of low pressure adjusting commutation of electrical-liquid control
Combination valve, it includes mainly：Pressure controlling section, commutation part, electric-hydraulic proportion low pressure adjust part, the pressure control portion
Divide, commutation part is adjusted part three parts with electric-hydraulic proportion low pressure and is arranged with modularization, and mutually interconnected by respective internal oil channel
It is logical, wherein
The pressure controlling section be successively by pressure regulator valve body baffle ring, seal receptacle, " O " shape sealing ring,
Valve piston, compression spring, boosting piston, check valve and throttle valve composition, and form oil suction chamber and control oil pocket；
The commutation part is by two plug-in two position, three-way electromagnetic change valves, plug-in shuttle valve and commutation valve body
Composition；The A mouths of the plug-in two position, three-way electromagnetic change valve respectively with I gear clutchs and II gear clutch unicom, B
Mouthful with oil return opening unicom, and A, B mouthfuls of unicom when under initial position, i.e. power failure state；
It is by type plug-in electro-hydraulic ratio valve and its ratio valve seat and built-in oil duct that the electric-hydraulic proportion low pressure, which adjusts part,
Composition；The type plug-in electro-hydraulic ratio valve is in cut-off state, oil inlet and K chambers under initial position, i.e. power failure state
Unicom, oil outlet are communicated with oil return opening.
As preferred：The compression spring includes big spring, middle spring and little spring, and the valve piston and boosting are lived
There are certain section product moments for plug；
The oil suction chamber P of the pressure controlling section passes through section by P mouthfuls of unicom of reversal valve of built-in oil duct and commutation part
Flow valve and control oil pocket K unicom；The control oil pocket K, by A mouthfuls of check valve, shuttle valve and reversal valve unicom, while with it is electro-hydraulic
The oil inlet unicom of proportioning valve.
When two solenoid directional control valve electromagnet must not electricity when, I gear clutchs and II gear clutchs with oil return opening phase
Logical, clutch is in discrete state.After fluid enters P chambers, valve piston is pushed to move right, through T1 mouthfuls of overflows.At this time through throttling
Valve enters the fluid of K chambers, passes through check valve and shuttle valve oil return.P chambers and K chambers remain certain pressure under the action of throttle valve
Difference, valve piston and boosting piston compress big spring and little spring and reach equilibrium state jointly, and P chambers are maintained at low-pressure state.
When progress switch operation（As YV1 electromagnet obtain it is electric）When, P chamber fluid enters I gear clutchs, while by check valve
Close, flow through throttle valve fluid enter K chambers after, if electro-hydraulic proportional valve be in power failure state, K chambers break with all oil return openings
It opens, forms closing chamber, P chambers are equal with K cavity pressures, and valve piston is elapsed to the right, and boosting piston is pushed into the position of setting to the left,
Large, medium and small spring is compressed simultaneously, and the oil pressure of P chambers reaches the maximum working pressure (MWP) of clutch setting, at clutch friction plate
In complete bonding state.When operator gives the certain electric current of electro-hydraulic proportional valve control coil, proportioning valve is opened, K chambers
Under the control of proportioning valve, connected with T mouthfuls（The uninterrupted of oil return is controlled by through the size of current in proportioning valve）, K chambers
Pressure declines, and forms pressure difference with P chambers（The effect of damping hole）, valve piston and boosting piston under new pressure condition,
Again reach balance.The pressure that K chambers can be adjusted by the size of current of proportioning valve by change, also indirectly has adjusted P
The pressure of chamber makes the operating pressure into clutch also be gradually reduced, and after operating pressure reduces to a certain extent, friction plate is opened
Begin to skid, the output rotating speed of transmission device also declines therewith.
The present invention is especially suitable on ship and other transmission devices with wet type hydraulic friction clutches, can control
While transmission gear processed, the continuous control pressure for changing clutch makes clutch be in different sliding wear states, to
Achieve the purpose that electrodeless adjustment transmission device exports rotating speed；It using modularized design, it is small, be easily installed；With structure
Rationally, using reliable, the electric control reversing operation to transmission device not only may be implemented, but also can connect to gear clutch oil pressure
Continuous low pressure is adjusted, the features such as making friction plate abundant sliding wear.
Description of the drawings
Fig. 1 is the hydraulic principle schematic diagram of the present invention.
Fig. 2 is the structural schematic diagram of the present invention.
Specific implementation mode
Below in conjunction with attached drawing, the present invention will be described in detail：As shown in Figure 1, 2, electric-hydraulic proportion of the present invention is low
Adjustment-reversing combined valve valve is pressed, is suitable on ship and other transmission devices with wet type hydraulic friction clutches, it is described
A kind of low pressure adjusting reversing combined valve of electrical-liquid control, it includes mainly：Pressure controlling section, commutation part, electro-hydraulic ratio
Example low pressure adjusts part, and the pressure controlling section, commutation part and electric-hydraulic proportion low pressure adjust part three parts with module
Change setting, and is interconnected by respective internal oil channel, wherein：
The pressure controlling section is to be sealed successively by the baffle ring 19 in pressure regulator valve body, seal receptacle 17, " O " shape
Circle 18, valve piston 9, compression spring, boosting piston 13, check valve 4 and throttle valve composition, and form oil suction chamber P and control oil pocket
K；
The commutation part is by two plug-in two position, three-way electromagnetic change valves 5,7, plug-in shuttle valve 6 and commutation
Valve body 16 forms；The A mouths of the plug-in two position, three-way electromagnetic change valve 5,7 respectively with I gear clutchs and II gears from
Clutch unicom, B mouthfuls with oil return inlet T unicom, and A, B mouthfuls of unicom when under initial position, i.e. power failure state；
It is by type plug-in electro-hydraulic ratio valve 2 and its ratio valve seat 15 and built-in oil that the electric-hydraulic proportion low pressure, which adjusts part,
Road forms；The type plug-in electro-hydraulic ratio valve 2 is in cut-off state, oil inlet and K under initial position, i.e. power failure state
Chamber unicom, oil outlet are communicated with oil return inlet T.
As shown in the figure, the compression spring includes big spring 10, middle spring 11 and little spring 12, the valve piston 9
There are certain section product moments with boosting piston 13；
The oil suction chamber P of the pressure controlling section passes through section by P mouthfuls of unicom of reversal valve of built-in oil duct and commutation part
Flow valve and control oil pocket K unicom；The control oil pocket K, by A mouthfuls of check valve, shuttle valve and reversal valve unicom, while with it is electro-hydraulic
The oil inlet unicom of proportioning valve.
Embodiment：Fig. 1, shown in 2, the present invention is by commutation valve body 16, plug-in two position, three-way electromagnetic change valve 5,7, inserting
The commutation part that formula shuttle valve 6 forms；
By pressure-regulating valve body 8, valve piston 9, big spring 10, middle spring 11, little spring 12, boosting piston 13, throttling every
Plate 14（Containing throttle orifice 3）, check valve 4, seal receptacle 17, sealing ring 18, baffle ring 19 form pressure controlling section, the small work
There are certain section product moments for plug 9 and boosting piston 13；
Part is adjusted by the electric-hydraulic proportion low pressure that ratio valve seat 15, type plug-in electro-hydraulic ratio valve 2 form；
The above three parts are modularized design, compact-sized, small by the mutual unicom of internal oil channel.
Plug-in two position, three-way electromagnetic change valve 5 of the present invention, 7, A mouthfuls respectively with gear clutch I and II unicom,
B mouthfuls and oil return inlet T unicom, and in initial position（Under power failure state）When A, B mouthfuls of unicom；
Type plug-in electro-hydraulic ratio valve of the present invention 2 is in initial position（Under power failure state）In cut-off state, into
Hydraulic fluid port and K chamber unicom, oil outlet are communicated with T2 oil return openings.
Pressure regulating part of the present invention point, P chambers on the one hand by the P mouth unicom of internal oil channel and reversal valve 5 and 7,
On the other hand by the throttle orifice 3 and K chamber unicom that are located on throttling partition board 14, fluid acts on the right end of boosting piston 13 simultaneously
On the oil inlet of face and electro-hydraulic proportional valve 2.
Check valve 4 of the present invention, Opening pressure is adjustable, and one end and K chamber unicom, the other end is through shuttle valve 6 and commutation
The A mouth unicom of valve 5,7.
When YV1, YV2 electromagnet of solenoid directional control valve 5 and 7 must not electricity when, gear clutch I and II are and oil return inlet T
It communicates, clutch is in discrete state.After fluid enters P chambers, valve piston 9 is pushed to move right, through T1 mouthfuls of overflows.Warp knuckle at this time
The fluid that valve 3 enters K chambers is flowed, 6 oil return of check valve 4 and shuttle valve is passed through.P chambers and K chambers remain centainly under the action of throttle valve 3
Pressure difference, valve piston 9 and boosting 3 common compressed spring 12 of piston and spring 11 and reach equilibrium state.
When progress switch operation（As YV1 electromagnet obtain it is electric）When, P chamber fluid enters gear clutch I, while by check valve
4 close, flow through throttle valve 3 fluid enter K chambers after, if proportioning valve 2 be in power failure state, K chambers break with all oil return openings
It opens, forms closing chamber, P chambers are equal with K cavity pressures, and valve piston 9 is elapsed to the right, and boosting piston 13 is pushed into the position of setting to the left
It sets, spring 10,11,12 is compressed simultaneously, and the oil pressure of P chambers reaches the maximum working pressure (MWP) of clutch setting, clutch friction plate
In complete bonding state.When operator gives the certain electric current of 2 control coil of electro-hydraulic proportional valve, proportioning valve 2 is opened,
K chambers are connected under the control of proportioning valve with T mouthfuls（The uninterrupted of oil return is controlled by through the size of current in proportioning valve）, K chambers
Pressure decline, and with P chambers formed pressure difference（The effect of damping hole）, valve piston 9 and boosting piston 13 are in new pressure strip
Under part, reach balance again.The pressure that K chambers are adjusted by proportioning valve 2, also indirectly has adjusted the pressure of P chambers, makes to enter clutch
The operating pressure of device is also gradually reduced, when operating pressure reduce to a certain extent after, friction plate starts to skid, transmission device it is defeated
Go out rotating speed also therewith to decline.
When YV2 obtains electric, gear clutch II is combined, identical when the adjustment process of pressure obtains electric with YV1.
The foregoing is merely the structure features of this specific embodiments of the present invention, but the present invention to be not limited thereto, any
Those skilled in the art in the field of the invention, made by changes or modifications all cover the present invention the scope of the claims it
In.
Claims (2)
1. a kind of low pressure of electrical-liquid control adjusts reversing combined valve, it includes mainly：Pressure controlling section, commutation part,
Electric-hydraulic proportion low pressure adjusts part, it is characterised in that：Pressure controlling section, commutation part and the electric-hydraulic proportion low pressure is adjusted
Part three parts are arranged with modularization, and are interconnected by respective internal oil channel, wherein
The pressure controlling section is successively by the baffle ring in pressure regulator valve body, seal receptacle, " O " shape sealing ring, small work
Plug, compression spring, boosting piston, check valve and throttle valve composition, and form oil suction chamber P and control oil pocket K；
The commutation part is by two plug-in two position, three-way electromagnetic change valves, plug-in shuttle valve and commutation valve body group
At；The A mouths of the plug-in two position, three-way electromagnetic change valve respectively with I gear clutchs and II gear clutch unicom, B mouthfuls
With oil return inlet T unicom, and A, B mouthfuls of unicom when under initial position, i.e. power failure state；
The electric-hydraulic proportion low pressure adjusts part and is made of type plug-in electro-hydraulic ratio valve and its ratio valve seat and built-in oil duct；
The type plug-in electro-hydraulic ratio valve is in cut-off state, oil inlet and K chamber unicom under initial position, i.e. power failure state,
Oil outlet is communicated with oil return inlet T.
2. the low pressure of electrical-liquid control according to claim 1 adjusts reversing combined valve, it is characterised in that the pressure
Power spring includes big spring, middle spring and little spring, and there are certain section product moments for the valve piston and boosting piston；
The oil suction chamber P of the pressure controlling section passes through throttle valve by P mouthfuls of unicom of reversal valve of built-in oil duct and commutation part
With control oil pocket K unicom；The control oil pocket K passes through check valve, A mouthfuls of unicom of shuttle valve and reversal valve, while and electric-hydraulic proportion
The oil inlet unicom of valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610212062.8A CN105697442B (en) | 2016-04-07 | 2016-04-07 | A kind of low pressure adjusting reversing combined valve of electrical-liquid control |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610212062.8A CN105697442B (en) | 2016-04-07 | 2016-04-07 | A kind of low pressure adjusting reversing combined valve of electrical-liquid control |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105697442A CN105697442A (en) | 2016-06-22 |
| CN105697442B true CN105697442B (en) | 2018-08-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610212062.8A Active CN105697442B (en) | 2016-04-07 | 2016-04-07 | A kind of low pressure adjusting reversing combined valve of electrical-liquid control |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110296212A (en) * | 2019-05-16 | 2019-10-01 | 杭州前进齿轮箱集团股份有限公司 | A kind of electrohydraulic control system of achievable multi gear position pavement construction machinery flexible shifting |
| EP4407194A1 (en) * | 2022-12-08 | 2024-07-31 | Metal Técnica Bovenau Ltda | Hydraulic actuator with dual pneumatic actuation for use in hydraulic actuation for hydroelectric plants |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3823801A (en) * | 1973-09-07 | 1974-07-16 | Twin Disc Inc | Clutches with a fluid and cam operated pressure modulating valve |
| CN101900198A (en) * | 2010-08-12 | 2010-12-01 | 重庆齿轮箱有限责任公司 | Marine gear box integration valve |
| CN104564878A (en) * | 2014-12-19 | 2015-04-29 | 杭州前进齿轮箱集团股份有限公司 | Manual-control inching reversal valve |
| CN205715025U (en) * | 2016-04-07 | 2016-11-23 | 杭州前进齿轮箱集团股份有限公司 | The low pressure regulation reversing combined valve of electrical-liquid control |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ITPD20020251A1 (en) * | 2002-10-01 | 2004-04-02 | Zahnradfabrik Friedrichshafen | DEVICE FOR THE OPTIMIZATION OF THE GRAFT OF |
-
2016
- 2016-04-07 CN CN201610212062.8A patent/CN105697442B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3823801A (en) * | 1973-09-07 | 1974-07-16 | Twin Disc Inc | Clutches with a fluid and cam operated pressure modulating valve |
| CN101900198A (en) * | 2010-08-12 | 2010-12-01 | 重庆齿轮箱有限责任公司 | Marine gear box integration valve |
| CN104564878A (en) * | 2014-12-19 | 2015-04-29 | 杭州前进齿轮箱集团股份有限公司 | Manual-control inching reversal valve |
| CN205715025U (en) * | 2016-04-07 | 2016-11-23 | 杭州前进齿轮箱集团股份有限公司 | The low pressure regulation reversing combined valve of electrical-liquid control |
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| Publication number | Publication date |
|---|---|
| CN105697442A (en) | 2016-06-22 |
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