CN106050772A - Quick stable main cylinder hydraulic system - Google Patents

Quick stable main cylinder hydraulic system Download PDF

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Publication number
CN106050772A
CN106050772A CN201610671545.4A CN201610671545A CN106050772A CN 106050772 A CN106050772 A CN 106050772A CN 201610671545 A CN201610671545 A CN 201610671545A CN 106050772 A CN106050772 A CN 106050772A
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CN
China
Prior art keywords
valve
mouth
solenoid directional
directional control
control valve
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Granted
Application number
CN201610671545.4A
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Chinese (zh)
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CN106050772B (en
Inventor
杨帮军
朱道泉
王冬仙
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Jiangsu Yangli Hydraulic Equipment Co.,Ltd.
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Jiangsu Guoli Forging Machine Tool Co Ltd
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Priority to CN201610671545.4A priority Critical patent/CN106050772B/en
Publication of CN106050772A publication Critical patent/CN106050772A/en
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Classifications

    • 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
    • F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor
    • F15B11/16—Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors
    • F15B11/17—Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors using two or more pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B13/00—Details of servomotor systems ; Valves for servomotor systems
    • F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
    • F15B13/06—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with two or more servomotors

Abstract

The invention relates to a quick stable main cylinder hydraulic system. The quick stable main cylinder hydraulic system comprises a piston cylinder connected with the top center of a slide block, and first, second, third and fourth plunger cylinders connected with four corners of the slide block, wherein the first and second plunger cylinders are diagonally arranged; the third and fourth plunger cylinders are diagonally arranged; pressure oil is provided to the piston cylinder and each plunger cylinder by a main pump module; an upper cavity of the piston cylinder and rod cavities of the first, second, third and fourth plunger cylinders are respectively connected with an upper cavity oil pipe through pressure matching modules; a lower cavity of the piston cylinder is connected with a lower cavity oil pipe; the upper cavity oil pipe and the lower cavity oil pipe are respectively connected with the main pump module through high-precision control modules; control oil of the main pump module and the high-precision control modules is from a control oil pressure stabilizing oil pipe; and the control oil pressure stabilizing oil pipe is connected with an outlet of a control oil supply source module. The main cylinder hydraulic system can enable actions of the slide blocks in all steps to become quicker, more sensitive and more stable.

Description

A kind of master cylinder hydraulic pressure system of fast and stable
Technical field
The present invention relates to a kind of hydraulic press, particularly to the master cylinder hydraulic pressure system of a kind of fast and stable.
Background technology
One do action of the slide block of hydraulic press is as follows: under Kuai, work enter, pressurize, pressurize, pressure release and backhaul.Existing Hydraulic system under fast time, the fast lower valve of oil cylinder cavity of resorption is inserted valve, and the openings of sizes of fast lower valve cannot regulate, cause fast under Speed cannot regulate.The most also with manual adjustment rod on some inserted valve cover plate, it is possible to manually rotation adjusting lever is adjusted The openings of sizes of joint valve, but this regulation can only not have data reference with sensation；Put on the most many lathe pumping plants, need Want operator to climb up to climb down, it has not been convenient to regulation.
The device completing topping up when cylinder upper cavity oil is under slide block is fast is replenishing valve, the more difficult control of degree soft, hard of its spring System.Spring hardness is excessive, fast under time, epicoele needs bigger self-suction just can open replenishing valve, causes descending acceleration to diminish soon, Slow under Kuai, it could even be possible to inhale not open, fast under；Spring hardness is too small, and replenishing valve cuts out slowly, and lathe slide block exists Change a job under Kuai into time there will be stagnation behavior, after treating that replenishing valve completely closes, just can enter work and enter state.
Pressure process, the most common system depended on pressure relay regulation system pressure desired value, this type of system has no pressure Precision can be sayed, can only with the general regulation of Pressure gauge, read force value.Relative accuracy high any, be furnished with at system epicoele Pressure transducer, target setting value on touch screen, when system pressure reaches desired value, pressure transducer sends signal, passes through PLC inter-process, control miniature relay obtain, dead electricity, thus control solenoid obtain, dead electricity, this series of action is disappeared The time of consumption, cause force value that overshoot phenomenon occurs.The fluid that i.e. oil pump is exported continues on oil cylinder during this period of time Chamber, final pressure value is more than setting value, and pressure precision is poor.
Pressure maintaining period uses valve to protect, and valve body self exists certain leakage rate, and fluid can pass through the leakage slowly of these valves Falling, Pressure Retention is poor.
After pressurize, system enters pressure release state, the most all can select the replenishing valve with pre-unloading functions, but unload mouth in advance Size be fixing, venting duration set short, pressure release is insufficient, during backhaul exist impact；The length that venting duration sets, can With abundant pressure release, but efficiency is low.And the control oil of pressure release is from main flow, changes with the fluctuation of main flow, action is unstable. During backhaul, it is inserted valve that system builds pressure valve, and spool leans on spring reset, and response speed is slow.
Summary of the invention
It is an object of the invention to, overcome problems of the prior art, it is provided that the master cylinder hydraulic pressure of a kind of fast and stable System, the action that can make each step of slide block is quicker, sensitive, stable.
For solve above technical problem, the master cylinder hydraulic pressure system of a kind of fast and stable of the present invention, including with in slider top Piston cylinder 1 that the heart connects and first, second, third and fourth plunger case that is connected with four corners of slide block, wherein first and second plunger case in Diagonal is arranged, third and fourth plunger case is that diagonal is arranged, described piston cylinder and each plunger case are carried by main pump module CF1 respectively For pressure oil, the epicoele of described piston cylinder and the bar chamber of described first, second, third and fourth plunger case are respectively by pressure match module CF4 is connected with epicoele oil pipe G2, and the cavity of resorption of described piston cylinder 1 is connected with lower cavity oil pipe G3, described epicoele oil pipe G2 and cavity of resorption oil Pipe G3 is connected with described main pump module CF1 by high accuracy control module CF3 respectively, described main pump module CF1 and high accuracy control The control fluid of molding block CF3 is both from controlling fluid voltage stabilizing oil pipe G4, described control fluid voltage stabilizing oil pipe G4 and controlling oil Liquid is connected for the outlet of source module CF2.
Relative to prior art, the present invention achieves following beneficial effect: piston cylinder 1 be responsible for slide block fast under, work enters, protects Pressure, pressure release and backhaul, slide block all can be pressurizeed by first, second, third and fourth plunger case, and wherein first and second plunger case puts in pairs and makes With, third and fourth plunger case comes into operation in pairs, can be selected the post of piston cylinder and different groups by pressure match module CF4 Plug cylinder is arranged in pairs or groups, thus realizes switching over the tonnage of master cylinder.Main pump module CF1 by high accuracy control module CF3 to Epicoele oil pipe G2 and lower cavity oil pipe G3 fuel feeding, the control fluid of hydraulic system is provided for source module CF2 by controlling fluid, it is possible to no Discontinuously by controlling fluid voltage stabilizing oil pipe G4 offer abundance, the control fluid of pressure stability, quick for main system, stable is dynamic Establish solid foundation.
As the improvement of the present invention, described main pump module CF1 includes first, second and third servopump B1, B2, B3, first and second, The suction inlet of three servopumps is connected with fuel tank respectively, first, second and third servo delivery side of pump by first, second and third check valve D1, D2, D3 is connected with the entrance of pressure oil fuel feed pump G1, and the entrance of described pressure oil fuel feed pump G1 and first dynamically valve C1 is connected, described The outlet of the first dynamic valve C1 is connected with fuel tank, and the hydraulic control mouth A of the described first dynamic valve C1 is changed by choke valve and the first electromagnetism Being connected to the A mouth of valve YV1, the hydraulic control mouth B of the described first dynamic valve is connected by the B mouth of choke valve and the first solenoid directional control valve, The P mouth of the first solenoid directional control valve is connected with described control fluid voltage stabilizing oil pipe G4, the T mouth of the first solenoid directional control valve and fuel tank phase Even；Described pressure oil fuel feed pump G1 is connected with fuel tank by the first overflow valve F1, and described first solenoid directional control valve YV1 is guiding valve machine Can be two four-way electromagnetic reversing valves of D type.The present invention can select the servopump matched to throw according to the needs of lathe tonnage Enter work, can the most quickly, compactly selecting machine tool need tonnage, it is not necessary to be converted to pressure by tonnage, then Setup pressure value obtains required tonnage.When the first solenoid directional control valve YV1 dead electricity, the first dynamic valve C1 quickly opens, pressure Oil fuel feed pump G1 runs through the first dynamic valve C1 to fuel tank off-load；When the first solenoid directional control valve YV1 obtains electric, the first dynamic valve C1 quick closedown, pressure oil fuel feed pump G1 builds rapidly pressure；If the force value in pressure oil fuel feed pump G1 goes beyond the limit of value, such as Beyond 28Mpa, then the first overflow valve F1 opens, to fuel tank overflow.When the present invention can realize with different tonnage work, slide block speed Degree is consistent.Such as when 100T work is entered, the first servopump B1 work, the fluid of epicoele oil pipe G2 enters the bar of third and fourth plunger case Chamber；When 200T work is entered, the second servopump B2 work, the fluid of epicoele oil pipe G2 enters the bar chamber of first, second, third and fourth plunger case； When 300T work is entered, first and second servopump B1, B2 work, the fluid of epicoele oil pipe G2 enters the epicoele of piston cylinder；400T work is entered Time, second and third servopump B2, B3 work, the fluid of epicoele oil pipe G2 enters epicoele and the bar of third and fourth plunger case of piston cylinder Chamber；When 500T work is entered, first, second and third servopump B1, B2, B3 all works, and the fluid of epicoele oil pipe G2 enters the epicoele of piston cylinder And first, second, third and fourth bar chamber of plunger case.
As a further improvement on the present invention, described control fluid includes controlling fluid plunger displacement pump B4, filter for source module CF2 Oil device L1, the 4th check valve D4, accumulator X1, the first stop valve J1 and the second stop valve J2, described control fluid plunger displacement pump B4 Suction inlet be connected with fuel tank, the outlet of described control fluid plunger displacement pump B4 is by described oil filter L1 and described 4th check valve D4 Be connected, the outlet of described 4th check valve D4 respectively with the entering of described accumulator X1, the first stop valve J1 and the second stop valve J2 Mouth is connected, and the outlet of described first stop valve J1 is connected with fuel tank, the outlet of described second stop valve J2 and described control fluid Voltage stabilizing oil pipe G4 is connected.Before controlling fluid plunger displacement pump B4 work, close the first stop valve J1, open the second stop valve J2, fluid After plunger displacement pump B4 starts, control fluid and flow to accumulator X1 through oil filter L1, the 4th check valve D4 mono-aspect, on the one hand by the Two stop valve J2 enter and control fluid voltage stabilizing oil pipe G4, then flow to each control mouth, and the control action for next step is ready.When The fluid of traffic organising mouth is full of after controlling fluid voltage stabilizing oil pipe G4, and fluid will all flow to accumulator X1.Accumulator X1's Automatic inflatable liquid can make the oil pressure in control fluid voltage stabilizing oil pipe G4 stable.It is independently arranged control fluid voltage stabilizing oil pipe G4, greatly Improve greatly the pressure stability controlling fluid, provide the control that can quickly and stably control each control valve for main system Fluid.
As a further improvement on the present invention, the outlet of described control fluid plunger displacement pump B4 is by the second overflow valve F2 and oil Case is connected, and the hydraulic control mouth of described second overflow valve is connected with fuel tank by the second solenoid directional control valve YV2, described second electromagnetic switch Valve is 2/2-way solenoid directional control valve；The outlet of described 4th check valve D4 is connected with fuel tank also by the 3rd overflow valve F3；Institute State and the first Pressure gauge BP1 and the first pressure transducer CP1, described second solenoid directional control valve are installed on the inlet duct of accumulator The break-make of YV2 is controlled by the force value that described first pressure transducer records.Control fluid voltage stabilizing oil pipe G4 and accumulator X1 to exist In filling process, pressure gradually rises, and the force value recorded as the first pressure transducer CP1 is such as higher than higher than setting high level During 15Mpa, the second solenoid directional control valve YV2 dead electricity, control the fluid of fluid plunger displacement pump B4 output by the second overflow valve F2 off-load. Main system works after a period of time, and the fluid being stored in accumulator X1 has been lost, pressure by each control valve action Constantly reduce, when the force value that the first pressure transducer CP1 records is less than setting low value such as less than 12Mpa, the second electromagnetism Reversal valve YV2 obtains electric, and fluid continues again to be filled with in accumulator X1, and pressure increases, and repairing the most automatically, makes control Oil pressure in fluid voltage stabilizing oil pipe G4 is stable at 12Mpa～15Mpa.3rd overflow valve F3 plays the effect of relief valve, the first pressure Power table BP1, for detecting the verity of force value, provides data refer for maintenance.
As a further improvement on the present invention, described high accuracy control module includes the second dynamic valve C2 and proportional flow control valve YAA, the entrance of the second dynamic valve C2 is connected with described pressure oil fuel feed pump G1, the outlet of the second dynamic valve C2 and described epicoele oil Pipe G2 is connected, and the entrance of described epicoele oil pipe G2 and described proportional flow control valve YAA is connected, the outlet of proportional flow control valve YAA and oil Case is connected；The hydraulic control mouth A of the described second dynamic valve C2 is connected by the A mouth of choke valve and the 5th solenoid directional control valve YV5, and described the The hydraulic control mouth B of two dynamic valves is connected by the B mouth of choke valve and the 5th solenoid directional control valve, the P mouth of the 5th solenoid directional control valve and institute Stating control fluid voltage stabilizing oil pipe G4 to be connected, the T mouth of the 5th solenoid directional control valve is connected with fuel tank；Described epicoele oil pipe G2 is provided with Two Pressure gauge BP2 and the second pressure transducer CP2, the 5th solenoid directional control valve YV5 be slide valve function be two four-way electromagnetics of Y type Reversal valve.When the 5th solenoid directional control valve YV5 obtains electric, control fluid and open rapidly the second dynamic valve C2, pressure oil fuel feed pump G1 In pressure oil run through second dynamic valve C2 enter epicoele oil pipe G2, the pressure oil in epicoele oil pipe G2 can pass through pressure Matching module CF4 enters the epicoele of described piston cylinder or the bar chamber of described first, second, third and fourth plunger case, carry out slide block fast under. System enters pressure release state after pressurize, and now proportional flow control valve YAA obtains electric opening, the openings of sizes of proportional flow control valve YAA with The voltage of input is directly proportional, and only need to revise numerical value on the touchscreen, just can easily change the opening of proportional flow control valve, carry out Quick and abundant pressure release；Avoiding using the replenishing valve with pre-unloading functions, the size unloading mouth owing to it is pre-is fixing, during pressure release Between set short, then pressure release is insufficient, there is impact during backhaul；Venting duration sets long, though can fully pressure release, but efficiency is low.
As a further improvement on the present invention, described high accuracy control module also includes the first inserted valve CZ1, the 3rd plug-in mounting Valve CZ3, the 4th inserted valve CZ4 and double active proportional throttle valve YAB, the entrance of the 3rd inserted valve CZ3 and described pressure oil fuel feeding Pipe G1 is connected, and the outlet of the 3rd inserted valve CZ3 throttles with the first inserted valve CZ1, the 4th inserted valve CZ4 and double active ratio respectively The entrance of valve YAB is connected, and the outlet of described first inserted valve CZ1 and double active proportional throttle valve YAB is connected with fuel tank respectively, the The outlet of four inserted valve CZ4 is connected with described lower cavity oil pipe G3；The P mouth of double active proportional throttle valve YAB and described control fluid Voltage stabilizing oil pipe G4 is connected；The hydraulic control mouth of the first inserted valve CZ1 respectively with the 4th overflow valve F4, the entrance of the 5th overflow valve F5 and The P mouth of three solenoid directional control valve YV3 is connected, and the outlet of the 5th overflow valve F5 is connected with the A mouth of the 3rd solenoid directional control valve YV3, and the 3rd The T mouth of solenoid directional control valve YV3 and the outlet of the 4th overflow valve F4 are all connected with fuel tank, and the 3rd solenoid directional control valve YV3 is guiding valve machine Can be two four-way electromagnetic reversing valves of D；The hydraulic control mouth of the 3rd inserted valve CZ3 is connected with the outlet of shuttle valve D5, the right side of shuttle valve D5 The outlet of entrance and the 3rd inserted valve CZ3 is connected, and the left entry of shuttle valve D5 and the A mouth of the 6th solenoid directional control valve YV6 are connected, and the 6th The P mouth of solenoid directional control valve YV6 is connected with described pressure oil fuel feed pump G1, and the T mouth of the 6th solenoid directional control valve YV6 is connected with fuel tank, 6th solenoid directional control valve YV6 be slide valve function be two four-way electromagnetic reversing valves of D type；The hydraulic control mouth of the 4th inserted valve CZ4 with The A mouth of the 7th Solenoid ball valve YV7 is connected, and the 7th Solenoid ball valve YV7 is two-bit triplet Solenoid ball valve, the P of the 7th Solenoid ball valve YV7 Mouth is connected with described lower cavity oil pipe G3, and the T mouth of the 7th Solenoid ball valve YV7 is connected with fuel tank；Described lower cavity oil pipe G3 passes through the 6th Overflow valve F6 is connected with fuel tank.During slide block backhaul: the 6th solenoid directional control valve YV6 obtains and electric opened by 3rd inserted valve CZ3, the 7th electricity Magnetic ball valve YV7 obtains and electric is opened by 4th inserted valve CZ4, and the 3rd solenoid directional control valve YV3 dead electricity makes the first inserted valve CZ1 be controlled by Four overflow valve F4, the pressure oil in pressure oil fuel feed pump G1 enters in lower cavity oil pipe G3, by the control of pressure match module CF4 To the cavity of resorption fuel feeding of piston cylinder 1；When cavity of resorption return pressure is more than 25MPa, the 4th overflow valve F4 opens so that the first inserted valve CZ1 opens, and cavity of resorption oil circuit and fuel tank communicate.Time under slide block is fast: the 6th solenoid directional control valve YV6 dead electricity and shuttle valve D5 guarantee the jointly Three inserted valve CZ3 close；7th Solenoid ball valve YV7 obtains and electric is opened by 4th inserted valve CZ4, and double active proportional throttle valve YAB obtain Electricity is opened so that master cylinder cavity of resorption and fuel tank directly communicate, and slide block is in without bearing state, under gravity, moves downward.So Rear 3rd solenoid directional control valve YV3 obtains and electric makes the first inserted valve CZ1 be controlled by the 5th overflow valve F5, changes a job into carrying out standard under fast Standby, reduce impact.The openings of sizes of double active proportional throttle valve YAB is directly proportional to the voltage of input, only need to repair on the touchscreen Change numerical value, just can easily change its opening so that the fast lower speed of slide block is easy to adjust.Change a job under slide block is fast into time: the Three solenoid directional control valve YV3 are kept as electricity makes the first inserted valve CZ1 be controlled by the 5th overflow valve F5, double active proportional throttle valve YAB Dead electricity is closed, and master cylinder cavity of resorption oil return line cuts off, and slide block can not move downwards under Gravitative Loads, and pressure oil enters piston cylinder 1 Epicoele；When the pressure of the first inserted valve CZ1 hydraulic control mouth is increased above cavity of resorption back pressure setting value 8MPa, the 5th overflow valve F5 Open so that the first inserted valve CZ1 opens, and cavity of resorption oil circuit and fuel tank communicate, and slide block is under pressure oil effect, and work is entered at a slow speed.
As a further improvement on the present invention, the outlet of double active proportional throttle valve YAB and the entrance of the second inserted valve CZ2 Be connected, the outlet of the second inserted valve CZ2 is connected with fuel tank, described second inserted valve CZ2 be provided with aperture regulate handle, described second The hydraulic control mouth of inserted valve CZ2 and the A mouth of the 4th solenoid directional control valve YV4 are connected, and the P mouth of the 4th solenoid directional control valve YV4 and second is inserted The entrance of dress valve CZ2 is connected, and the T mouth of the 4th solenoid directional control valve YV4 is connected with fuel tank, and the 4th solenoid directional control valve YV4 is guiding valve machine Can be two four-way electromagnetic reversing valves of D type.Connect between double active proportional throttle valve YAB and fuel tank the second inserted valve CZ2, Handle can be regulated by the aperture of the second inserted valve CZ2 adjust uninterrupted when double active proportional throttle valve YAB is malfunctioning； Time under slide block is fast, the 4th solenoid directional control valve YV4 obtains electric, makes the second inserted valve CZ2 open；Change a job under Kuai into time, the 4th electromagnetism changes To valve YV4 dead electricity, the second inserted valve CZ2 is made to close.
As a further improvement on the present invention, described pressure match module includes the 3rd dynamic valve C3, the 8th electromagnetic switch Valve YV8, the 9th solenoid directional control valve YV9 and the tenth solenoid directional control valve YV10, the entrance of the described 3rd dynamic valve C3 and described epicoele Oil pipe G2 is connected, and the outlet of the described 3rd dynamic valve C3 is connected with the epicoele of described piston cylinder；The liquid of the described 3rd dynamic valve C3 Control mouth A is connected by the A mouth of choke valve and the tenth solenoid directional control valve YV10, and the hydraulic control mouth B of the described 3rd dynamic valve is by throttling The B mouth of valve and the tenth solenoid directional control valve is connected, and the P mouth of the tenth solenoid directional control valve is connected with described control fluid voltage stabilizing oil pipe G4, The T mouth of the tenth solenoid directional control valve is connected with fuel tank；The epicoele of described piston cylinder also entrance with the 6th dynamic valve C6 is connected, and the 6th Dynamically the outlet of valve C6 is connected with fuel tank, the tenth solenoid directional control valve YV10 be slide valve function be that two four-way electromagnetics of Y type commutate Valve；The hydraulic control mouth A of the described 6th dynamic valve C6 is connected by the A mouth of choke valve and the 13rd solenoid directional control valve YV13, and described the The hydraulic control mouth B of six dynamic valves is connected by the B mouth of choke valve and the 13rd solenoid directional control valve, the P mouth of the 13rd solenoid directional control valve Being connected with described control fluid voltage stabilizing oil pipe G4, the T mouth of the 13rd solenoid directional control valve is connected with fuel tank, the 13rd solenoid directional control valve YV13 be slide valve function be two four-way electromagnetic reversing valves of D type；The P mouth of the 9th solenoid directional control valve YV9 and described epicoele oil pipe G2 is connected, and the T mouth of the 9th solenoid directional control valve YV9 is connected with fuel tank, the B mouth of the 9th solenoid directional control valve YV9 and described first and second post The bar chamber of plug cylinder be connected, the 9th solenoid directional control valve YV9 be slide valve function be two four-way electromagnetic reversing valves of EA type；8th electromagnetism The P mouth of reversal valve YV8 is connected with described epicoele oil pipe G2, and the T mouth of the 8th solenoid directional control valve YV8 is connected with fuel tank, the 8th electromagnetism The B mouth of reversal valve YV8 is connected with the bar chamber of third and fourth plunger case described, the 8th solenoid directional control valve YV8 be slide valve function be EA type Two four-way electromagnetic reversing valves.Time under slide block is fast, when the tenth solenoid directional control valve YV10 obtains electric, control fluid and open rapidly the 3rd Dynamically valve C3, the pressure oil in epicoele oil pipe G2 quickly enters the epicoele of piston cylinder by the 3rd dynamic valve C3；9th electricity simultaneously Magnetic reversal valve YV9 obtains electric, and the pressure oil in epicoele oil pipe G2 enters first and second plunger case by the 9th solenoid directional control valve YV9 Bar chamber.8th solenoid directional control valve YV8 obtains electric, the pressure oil in epicoele oil pipe G2 by the 8th solenoid directional control valve YV8 enter the 3rd, The bar chamber of four plunger cases, but the fluid that first, second and third servopump provides can not meet far away piston cylinder and each plunger case volume The needs of change.Therefore, time under slide block is fast, the 13rd solenoid directional control valve YV13 is in power failure state, and the 6th dynamic valve C6 is in Open mode, the fluid in fuel tank constantly fills into the epicoele of piston cylinder, and the dynamic valve of open in usual the 6th, without overcoming self-suction, makes Slide block descends that acceleration is big, speed is fast soon.Change a job under slide block is fast into time, the pressure oil in epicoele oil pipe G2 passes through the 3rd dynamic valve C3 Quickly entering the epicoele of piston cylinder, the 13rd solenoid directional control valve YV13 obtains electric, controls fluid and closes rapidly the 6th dynamic valve C6, makes Obtain piston cylinder 1 upper cavity pressure to raise rapidly.Instantly, when cavity pressure is elevated above 8MPa, the 5th overflow valve F5 opens so that first Inserted valve CZ1 opens, and cavity of resorption oil circuit and fuel tank communicate, and slide block is under pressure oil effect, it is achieved work is entered at a slow speed.6th dynamic valve C6 The 13rd solenoid directional control valve YV13 obtain electric after, close rapidly, response time is fast, and controlling extent is high with reliability so that under Kuai Change a job into not havinging stagnation behavior.
As a further improvement on the present invention, the bar chamber of described first and second plunger case also simultaneously with the 7th dynamic valve C7, the The entrance of eight dynamic valve C8 is connected, and the 7th dynamic valve C7, the outlet of the 8th dynamic valve C8 are connected with fuel tank respectively；Described 7th moves The hydraulic control mouth A of state valve C7 is connected by the A mouth of choke valve and the 14th solenoid directional control valve YV14, the hydraulic control of the described 7th dynamic valve Mouth B is connected by the B mouth of choke valve and the 14th solenoid directional control valve, the P mouth of the 14th solenoid directional control valve and described control fluid Voltage stabilizing oil pipe G4 is connected, and the T mouth of the 14th solenoid directional control valve is connected with fuel tank, and the 14th solenoid directional control valve YV14 is slide valve function Two four-way electromagnetic reversing valves for D type；The hydraulic control mouth A of the described 8th dynamic valve C8 passes through choke valve and the 15th electromagnetic switch The A mouth of valve YV15 is connected, and the hydraulic control mouth B of the described 8th dynamic valve is connected by the B mouth of choke valve and the 15th solenoid directional control valve, The P mouth of the 15th solenoid directional control valve is connected with described control fluid voltage stabilizing oil pipe G4, the T mouth of the 15th solenoid directional control valve and fuel tank Be connected, the 15th solenoid directional control valve YV15 be slide valve function be two four-way electromagnetic reversing valves of D type.Time under slide block is fast, the tenth Four solenoid directional control valve YV14, the 15th equal dead electricity of solenoid directional control valve YV15, the 7th dynamic valve C7, the 8th dynamic valve C8 are normally opened, oil Fluid in case constantly fills into the bar chamber of first and second plunger case, the dynamic valve C7 of open in usual the 7th, the 8th dynamic valve C8 without gram Taking self-suction, acceleration is big, speed is fast to make slide block descend soon.
As a further improvement on the present invention, the bar chamber of third and fourth plunger case described also simultaneously with the 4th dynamic valve C4, the The entrance of five dynamic valve C5 is connected, and the 4th dynamic valve C4, the outlet of the 5th dynamic valve C5 are connected with fuel tank respectively；Described 4th moves The hydraulic control mouth A of state valve C4 is connected by the A mouth of choke valve and the 11st solenoid directional control valve YV11, the hydraulic control of the described 4th dynamic valve Mouth B is connected by the B mouth of choke valve and the 11st solenoid directional control valve, the P mouth of the 11st solenoid directional control valve and described control fluid Voltage stabilizing oil pipe G4 is connected, and the T mouth of the 11st solenoid directional control valve is connected with fuel tank, and the 11st solenoid directional control valve YV11 is slide valve function Two four-way electromagnetic reversing valves for D type；The hydraulic control mouth A of the described 5th dynamic valve C5 passes through choke valve and the 12nd electromagnetic switch The A mouth of valve YV12 is connected, and the hydraulic control mouth B of the described 5th dynamic valve is connected by the B mouth of choke valve and the 12nd solenoid directional control valve, The P mouth of the 12nd solenoid directional control valve is connected with described control fluid voltage stabilizing oil pipe G4, the T mouth of the 12nd solenoid directional control valve and fuel tank Be connected, the 12nd solenoid directional control valve YV12 be slide valve function be two four-way electromagnetic reversing valves of D type.Time under slide block is fast, the tenth One solenoid directional control valve YV11, the 12nd equal dead electricity of solenoid directional control valve YV12, the 4th dynamic valve C4, the 5th dynamic valve C5 are normally opened, oil Fluid in case constantly fills into the bar chamber of third and fourth plunger case, the dynamic valve C4 of open in usual the 4th, the 5th dynamic valve C5 without gram Taking self-suction, acceleration is big, speed is fast to make slide block descend soon.Change a job under slide block is fast into time, according to the needs of tonnage, select the 4th to move State valve C4, the 5th dynamic valve C5, the 6th dynamic valve C6, the 7th dynamic valve C7, the 8th dynamic valve C8 are normally opened or close.Such as 100T When work is entered, the 13rd solenoid directional control valve YV13, the 14th solenoid directional control valve YV14, the 15th equal dead electricity of solenoid directional control valve YV15, 6th dynamic valve C6, the 7th dynamic valve C7, the 8th dynamic valve C8 are normally opened, the epicoele of piston cylinder and the bar chamber of first and second plunger case Do not build pressure；11st solenoid directional control valve YV11, the 12nd solenoid directional control valve YV12 all electric, the 4th dynamic valve C4, the 5th dynamic Valve C5 closes, and pressure is built in the bar chamber of third and fourth plunger case.When 200T work is entered, the 13rd solenoid directional control valve YV13 dead electricity, the 6th is dynamic Valve C6 is normally opened, and the epicoele of piston cylinder does not build pressure；11st solenoid directional control valve YV11, the 12nd solenoid directional control valve YV12, the 14th Solenoid directional control valve YV14, the 15th solenoid directional control valve YV15 all electric, the 4th dynamic valve C4, the 5th dynamic valve C5, the 7th dynamic Valve C7, the 8th dynamic valve C8 close, and pressure is built in the bar chamber of first, second, third and fourth plunger case.When 300T work is entered, the 11st electromagnetic switch Valve YV11, the 12nd solenoid directional control valve YV12, the 14th solenoid directional control valve YV14, the 15th equal dead electricity of solenoid directional control valve YV15, 4th dynamic valve C4, the 5th dynamic valve C5, the 7th dynamic valve C7, the 8th dynamic valve C8 are normally opened, first, second, third and fourth plunger case Pressure is not built in bar chamber；13rd solenoid directional control valve YV13 obtains electric, and the 6th dynamic valve C6 closes, and the epicoele of piston cylinder builds pressure.400T work When entering, the 14th solenoid directional control valve YV14, the 15th equal dead electricity of solenoid directional control valve YV15, the 7th dynamic valve C7, the 8th dynamic valve C8 is normally opened, and pressure is not built in the bar chamber of first and second plunger case；11st solenoid directional control valve YV11, the 12nd solenoid directional control valve YV12, 13 solenoid directional control valve YV13 obtain electric, and the 4th dynamic valve C4, the 5th dynamic valve C5, the 6th dynamic valve C6 close, piston cylinder upper Pressure is built in the bar chamber of chamber and third and fourth plunger case.When 500T work is entered, the 11st solenoid directional control valve YV11, the 12nd solenoid directional control valve YV12, the 13rd solenoid directional control valve YV13, the 14th solenoid directional control valve YV14, the 15th solenoid directional control valve YV15 all electric, Four dynamic valve C4, the 5th dynamic valve C5, the 6th dynamic valve C6, the 7th dynamic valve C7, the 8th dynamic valve C8 close, piston cylinder upper Pressure is all built in the bar chamber of chamber and first, second, third and fourth plunger case.
Accompanying drawing explanation
The present invention is further detailed explanation with detailed description of the invention below in conjunction with the accompanying drawings, accompanying drawing only provide with reference to Use is described, is not used to limit the present invention.
Fig. 1 is the hydraulic schematic diagram one of the master cylinder hydraulic pressure system of fast and stable of the present invention.
Fig. 2 is the hydraulic schematic diagram two of the master cylinder hydraulic pressure system of fast and stable of the present invention.
In figure: 1. piston cylinder；2-1. the first plunger case；2-2. the second plunger case；2-3. the 3rd plunger case；2-4. the 4th post Plug cylinder；CF1. main pump module；CF2. fluid is controlled for source module；CF3. pressure match module；CF4. high accuracy control module； G1. pressure oil fuel feed pump；G2. epicoele oil pipe；G3. lower cavity oil pipe；G4. fluid voltage stabilizing oil pipe is controlled；X1. accumulator；B1. first Servopump；B2. the second servopump；B3. the 3rd servopump；B4. fluid plunger displacement pump is controlled；D1. the first check valve；D2. second is single To valve；D3. the 3rd check valve；D4. the 4th check valve；D5. shuttle valve；F1. the first overflow valve；F2. the second overflow valve；F3. the 3rd Overflow valve；F4. the 4th overflow valve；F5. the 5th overflow valve；F6. the 6th overflow valve；C1. the first dynamic valve；C2. the second dynamic valve； C3. the 3rd dynamic valve；C4. the 4th dynamic valve；C5. the 5th dynamic valve；C6. the 6th dynamic valve；C7. the 7th dynamic valve；C8. the 8th Dynamically valve；CZ1. the first inserted valve；CZ2. the second inserted valve；CZ3. the 3rd inserted valve；CZ4. the 4th inserted valve；YV1. the first electricity Magnetic reversal valve；YV2. the second solenoid directional control valve；YV3. the 3rd solenoid directional control valve；YV4. the 4th solenoid directional control valve；YV5. the 5th electricity Magnetic reversal valve；YV6. the 6th solenoid directional control valve；YV7. the 7th Solenoid ball valve；YV8. the 8th solenoid directional control valve；YV9. the 9th electromagnetism Reversal valve；YV10. the tenth solenoid directional control valve；YV11. the 11st solenoid directional control valve；YV12. the 12nd solenoid directional control valve；YV13. 13rd solenoid directional control valve；YV14. the 14th solenoid directional control valve；YV15. the 15th solenoid directional control valve；YAA. proportional flow control valve； The most double active proportional throttle valves；CP1. the first pressure transducer；CP2. the second pressure transducer；BP1. the first Pressure gauge； BP2. the second Pressure gauge；L1. oil filter；J1. the first stop valve；J2. the second stop valve.
Detailed description of the invention
As it is shown in figure 1, the master cylinder hydraulic pressure system of fast and stable of the present invention includes the piston cylinder 1 being connected with slider top center And be connected with four corners of slide block the first plunger case 2-1, the second plunger case 2-2, the 3rd plunger case 2-3, the 4th plunger case 2- 4, wherein the first plunger case 2-1, the second plunger case 2-2 are that diagonal is arranged, the 3rd plunger case 2-3, the 4th plunger case 2-4 are right Linea angulata arrange, piston cylinder and each plunger case respectively by main pump module CF1 provide pressure oil, the epicoele of piston cylinder and first and second, Three, the bar chamber of four plunger cases is connected with epicoele oil pipe G2 by pressure match module CF4 respectively, the cavity of resorption of piston cylinder 1 and cavity of resorption Oil pipe G3 is connected, and epicoele oil pipe G2 and lower cavity oil pipe G3 is connected with main pump module CF1 by high accuracy control module CF3 respectively, The control fluid of main pump module CF1 and high accuracy control module CF3, both from controlling fluid voltage stabilizing oil pipe G4, controls fluid steady Pressuring oil pipe G4 is connected with controlling the fluid outlet for source module CF2.
Piston cylinder 1 be responsible for slide block fast under, work enter, pressurize, pressure release and backhaul, first, second, third and fourth plunger case is the most permissible Pressurizeing slide block, wherein the first plunger case 2-1, the second plunger case 2-2 come into operation in pairs, the 3rd plunger case 2-3, the 4th plunger Cylinder 2-4 comes into operation in pairs, piston cylinder can be selected to take from the plunger case of different groups by pressure match module CF4 Join, thus realize the tonnage of master cylinder is switched over.Main pump module CF1 passes through high accuracy control module CF3 to epicoele oil pipe G2 With lower cavity oil pipe G3 fuel feeding, the control fluid of hydraulic system is provided for source module CF2 by controlling fluid, it is possible to pass through incessantly Controlling fluid voltage stabilizing oil pipe G4 and provide sufficient, the control fluid of pressure stability, heavily fortified point has been established in quick for main system, stable action Real basis.
Main pump module CF1 includes the first servopump B1, the second servopump B2, the 3rd servopump B3, first, second and third servo The suction inlet of pump is connected with fuel tank respectively, first, second and third servo delivery side of pump by the first check valve D1, the second check valve D2, the Three check valve D3 are connected with the entrance of pressure oil fuel feed pump G1, and the entrance of pressure oil fuel feed pump G1 and first dynamically valve C1 is connected, The outlet of the first dynamic valve C1 is connected with fuel tank, and the hydraulic control mouth A of the first dynamic valve C1 passes through choke valve and the first solenoid directional control valve The A mouth of YV1 is connected, and the hydraulic control mouth B of the first dynamic valve is connected by the B mouth of choke valve and the first solenoid directional control valve, the first electromagnetism The P mouth of reversal valve is connected with controlling fluid voltage stabilizing oil pipe G4, and the T mouth of the first solenoid directional control valve is connected with fuel tank；Pressure oil fuel feeding Pipe G1 is connected with fuel tank by the first overflow valve F1, the first solenoid directional control valve YV1 be slide valve function be two four-way electromagnetics of D type Reversal valve.
The present invention can select the servopump matched to devote oneself to work according to the needs of lathe tonnage, can be at touch screen On quickly, compactly selecting machine tool need tonnage, it is not necessary to be converted to pressure by tonnage, reset force value and obtain required Tonnage.When the first solenoid directional control valve YV1 dead electricity, the first dynamic valve C1 quickly opens, and pressure oil fuel feed pump G1 runs through One dynamic valve C1 is to fuel tank off-load；When the first solenoid directional control valve YV1 obtains electric, the first dynamic valve C1 quick closedown, pressure oil supplies Oil pipe G1 builds rapidly pressure；If the force value in pressure oil fuel feed pump G1 goes beyond the limit of value, such as beyond 28Mpa, then first overflows Stream valve F1 opens, to fuel tank overflow.
When the present invention can realize with different tonnage work, ram speed is consistent.Such as when 100T work is entered, the first servopump B1 works, and the fluid of epicoele oil pipe G2 enters the bar chamber of third and fourth plunger case；When 200T work is entered, the second servopump B2 work, on The fluid of chamber oil pipe G2 enters the bar chamber of first, second, third and fourth plunger case；When 300T work is entered, first and second servopump B1, B2 work Making, the fluid of epicoele oil pipe G2 enters the epicoele of piston cylinder；When 400T work is entered, second and third servopump B2, B3 work, epicoele oil The fluid of pipe G2 enters epicoele and the bar chamber of third and fourth plunger case of piston cylinder；When 500T work is entered, first, second and third servopump B1, B2, B3 all work, and the fluid of epicoele oil pipe G2 enters epicoele and the bar chamber of first, second, third and fourth plunger case of piston cylinder.
Control fluid to include controlling fluid plunger displacement pump B4, oil filter L1, the 4th check valve D4, accumulator for source module CF2 X1, the first stop valve J1 and the second stop valve J2, the suction inlet controlling fluid plunger displacement pump B4 is connected with fuel tank, controls fluid plunger displacement pump The outlet of B4 by oil filter L1 and the 4th check valve D4 be connected, the outlet of the 4th check valve D4 respectively with accumulator X1, first The entrance of stop valve J1 and the second stop valve J2 is connected, and the outlet of the first stop valve J1 is connected with fuel tank, the second stop valve J2's Export and be connected with control fluid voltage stabilizing oil pipe G4.
Before controlling fluid plunger displacement pump B4 work, close the first stop valve J1, open the second stop valve J2, fluid plunger displacement pump B4 After startup, control fluid and flow to accumulator X1 through oil filter L1, the 4th check valve D4 mono-aspect, on the one hand by the second stop valve J2 enters and controls fluid voltage stabilizing oil pipe G4, then flows to each control mouth, and the control action for next step is ready.Work as traffic organising The fluid of mouth is full of after controlling fluid voltage stabilizing oil pipe G4, and fluid will all flow to accumulator X1.The automatic inflatable of accumulator X1 Liquid can make the oil pressure in control fluid voltage stabilizing oil pipe G4 stable.It is independently arranged control fluid voltage stabilizing oil pipe G4, substantially increases Control the pressure stability of fluid, provide the control fluid that can quickly and stably control each control valve for main system.
The outlet controlling fluid plunger displacement pump B4 is connected with fuel tank by the second overflow valve F2, and the hydraulic control mouth of the second overflow valve leads to Crossing the second solenoid directional control valve YV2 to be connected with fuel tank, the second solenoid directional control valve is 2/2-way solenoid directional control valve；4th check valve D4 Outlet be connected with fuel tank also by the 3rd overflow valve F3；First Pressure gauge BP1 and is installed on the inlet duct of accumulator One pressure transducer CP1, the break-make of the second solenoid directional control valve YV2 is controlled by the force value that the first pressure transducer records.
Fluid voltage stabilizing oil pipe G4 and accumulator X1 is in filling process in control, and pressure gradually rises, when the first pressure sensing When the force value that device CP1 records such as is higher than 15Mpa higher than setting high level, the second solenoid directional control valve YV2 dead electricity, control fluid post The fluid of plug pump B4 output is by the second overflow valve F2 off-load.Main system works after a period of time, is stored in accumulator X1 Fluid be lost by each control valve action, pressure constantly reduces, when the force value that the first pressure transducer CP1 records Less than when setting low value such as less than 12Mpa, the second solenoid directional control valve YV2 obtains electric, and fluid continues again to be filled with in accumulator X1, pressure Power increases, repairing the most automatically, makes the oil pressure in control fluid voltage stabilizing oil pipe G4 stable at 12Mpa～15Mpa. 3rd overflow valve F3 plays the effect of relief valve, and the first Pressure gauge BP1, for detecting the verity of force value, provides number for maintenance According to reference.
Control module includes the second dynamic valve C2 and proportional flow control valve YAA, the entrance of the second dynamic valve C2 and pressure in high precision Power oil fuel feed pump G1 is connected, and the outlet of the second dynamic valve C2 is connected with epicoele oil pipe G2, epicoele oil pipe G2 and proportional flow control valve YAA Entrance be connected, the outlet of proportional flow control valve YAA is connected with fuel tank；The hydraulic control mouth A of the second dynamic valve C2 is by choke valve and the The A mouth of five solenoid directional control valve YV5 is connected, and the hydraulic control mouth B of the second dynamic valve passes through choke valve and the B mouth phase of the 5th solenoid directional control valve Even, the P mouth of the 5th solenoid directional control valve is connected with controlling fluid voltage stabilizing oil pipe G4, and the T mouth of the 5th solenoid directional control valve is connected with fuel tank； Epicoele oil pipe G2 is provided with the second Pressure gauge BP2 and the second pressure transducer CP2, and the 5th solenoid directional control valve YV5 is slide valve function Two four-way electromagnetic reversing valves for Y type.
When the 5th solenoid directional control valve YV5 obtains electric, control fluid and open rapidly the second dynamic valve C2, pressure oil fuel feed pump G1 In pressure oil run through second dynamic valve C2 enter epicoele oil pipe G2, the pressure oil in epicoele oil pipe G2 can pass through pressure Matching module CF4 enters the epicoele of piston cylinder or the bar chamber of first, second, third and fourth plunger case, carry out slide block fast under.
After pressurize, system enters pressure release state, and now proportional flow control valve YAA obtains electric opening, and proportional flow control valve YAA opens Mouth size is directly proportional to the voltage of input, only need to revise numerical value on the touchscreen, just can easily change proportional flow control valve Opening, carries out quick and abundant pressure release；Avoiding using the replenishing valve with pre-unloading functions, the size unloading mouth owing to it is pre-is fixing , venting duration sets short, then pressure release is insufficient, there is impact during backhaul；Venting duration sets long, though can fully pressure release, But efficiency is low.
Control module also includes the first inserted valve CZ1, the 3rd inserted valve CZ3, the 4th inserted valve CZ4 and double active in high precision Proportional throttle valve YAB, the entrance of the 3rd inserted valve CZ3 is connected with pressure oil fuel feed pump G1, and the outlet of the 3rd inserted valve CZ3 is respectively Be connected with the entrance of the first inserted valve CZ1, the 4th inserted valve CZ4 and double active proportional throttle valve YAB, the first inserted valve CZ1 and The outlet of double active proportional throttle valve YAB is connected with fuel tank respectively, and the outlet of the 4th inserted valve CZ4 is connected with lower cavity oil pipe G3； The P mouth of double active proportional throttle valve YAB is connected with controlling fluid voltage stabilizing oil pipe G4.
The hydraulic control mouth of the first inserted valve CZ1 respectively with the 4th overflow valve F4, the entrance of the 5th overflow valve F5 and the 3rd electromagnetism The P mouth of reversal valve YV3 is connected, and the outlet of the 5th overflow valve F5 is connected with the A mouth of the 3rd solenoid directional control valve YV3, and the 3rd electromagnetism changes All be connected with fuel tank to the T mouth of valve YV3 and the outlet of the 4th overflow valve F4, the 3rd solenoid directional control valve YV3 be slide valve function be D Two four-way electromagnetic reversing valves.
The hydraulic control mouth of the 3rd inserted valve CZ3 is connected with the outlet of shuttle valve D5, the right entry of shuttle valve D5 and the 3rd inserted valve CZ3 Outlet be connected, the left entry of shuttle valve D5 and the A mouth of the 6th solenoid directional control valve YV6 are connected, the P mouth of the 6th solenoid directional control valve YV6 Being connected with pressure oil fuel feed pump G1, the T mouth of the 6th solenoid directional control valve YV6 is connected with fuel tank, and the 6th solenoid directional control valve YV6 is guiding valve Function is two four-way electromagnetic reversing valves of D type.
The hydraulic control mouth of the 4th inserted valve CZ4 and the A mouth of the 7th Solenoid ball valve YV7 are connected, and the 7th Solenoid ball valve YV7 is two Threeway Solenoid ball valve, the P mouth of the 7th Solenoid ball valve YV7 is connected with lower cavity oil pipe G3, the T mouth of the 7th Solenoid ball valve YV7 and fuel tank It is connected；Lower cavity oil pipe G3 is connected with fuel tank by the 6th overflow valve F6.
During slide block backhaul: the 6th solenoid directional control valve YV6 obtains and electric opened by 3rd inserted valve CZ3, and the 7th Solenoid ball valve YV7 obtains 4th inserted valve CZ4 is opened by electricity, and the 3rd solenoid directional control valve YV3 dead electricity makes the first inserted valve CZ1 be controlled by the 4th overflow valve F4, Pressure oil in pressure oil fuel feed pump G1 enters in lower cavity oil pipe G3, controlling to piston cylinder 1 by pressure match module CF4 Cavity of resorption fuel feeding；When cavity of resorption return pressure is more than 25MPa, the 4th overflow valve F4 opens so that the first inserted valve CZ1 opens, under Chamber oil circuit and fuel tank communicate.
Time under slide block is fast: the 6th solenoid directional control valve YV6 dead electricity and shuttle valve D5 guarantee that the 3rd inserted valve CZ3 closes jointly；The Seven Solenoid ball valve YV7 obtain and electric are opened by 4th inserted valve CZ4, and double active proportional throttle valve YAB obtain electric opening so that master cylinder cavity of resorption Directly communicating with fuel tank, slide block is in without bearing state, under gravity, moves downward.Then the 3rd solenoid directional control valve YV3 Electric the first inserted valve CZ1 must be made to be controlled by the 5th overflow valve F5, change a job into ready under fast, reduce impact.Double active ratios The openings of sizes of example choke valve YAB is directly proportional to the voltage of input, only need to revise numerical value on the touchscreen, just can easily change Become its opening so that the fast lower speed of slide block is easy to adjust.
Change a job under slide block is fast into time: the 3rd solenoid directional control valve YV3 is kept as electricity to be made the first inserted valve CZ1 be controlled by the 5th to overflow Stream valve F5, double active proportional throttle valve YAB dead electricity close, master cylinder cavity of resorption oil return line cut off, slide block can not under Gravitative Loads to Lower moving, pressure oil enters the epicoele of piston cylinder 1；When the pressure of the first inserted valve CZ1 hydraulic control mouth is increased above lower back lining During pressure setting value 8MPa, the 5th overflow valve F5 opens so that the first inserted valve CZ1 opens, and cavity of resorption oil circuit and fuel tank communicate, slide block Under pressure oil effect, work is entered at a slow speed.
As in figure 2 it is shown, the outlet of double active proportional throttle valve YAB is connected with the entrance of the second inserted valve CZ2, the second plug-in mounting The outlet of valve CZ2 is connected with fuel tank, and the second inserted valve CZ2 is provided with aperture regulation handle, the hydraulic control mouth of the second inserted valve CZ2 and the The A mouth of four solenoid directional control valve YV4 is connected, and the P mouth of the 4th solenoid directional control valve YV4 and the entrance of the second inserted valve CZ2 are connected, and the 4th The T mouth of solenoid directional control valve YV4 is connected with fuel tank, the 4th solenoid directional control valve YV4 be slide valve function be that two four-way electromagnetics of D type change To valve.Connect between double active proportional throttle valve YAB and fuel tank the second inserted valve CZ2, can be at double active proportional throttle valves When YAB is malfunctioning, regulates handle by the aperture of the second inserted valve CZ2 and adjust uninterrupted；Time under slide block is fast, the 4th electromagnetic switch Valve YV4 obtains electric, makes the second inserted valve CZ2 open；Change a job under Kuai into time, the 4th solenoid directional control valve YV4 dead electricity, make the second inserted valve CZ2 closes.
Pressure match module includes the 3rd dynamic valve C3, the 8th solenoid directional control valve YV8, the 9th solenoid directional control valve YV9 and Ten solenoid directional control valve YV10.The entrance of the 3rd dynamic valve C3 is connected with epicoele oil pipe G2, the outlet of the 3rd dynamic valve C3 and piston The epicoele of cylinder is connected；The hydraulic control mouth A of the 3rd dynamic valve C3 is connected by the A mouth of choke valve and the tenth solenoid directional control valve YV10, the The hydraulic control mouth B of three dynamic valves is connected by the B mouth of choke valve and the tenth solenoid directional control valve, the P mouth of the tenth solenoid directional control valve and control Liquefaction liquid voltage stabilizing oil pipe G4 is connected, and the T mouth of the tenth solenoid directional control valve is connected with fuel tank.
The epicoele of piston cylinder also entrance with the 6th dynamic valve C6 is connected, and the outlet of the 6th dynamic valve C6 is connected with fuel tank, Tenth solenoid directional control valve YV10 be slide valve function be two four-way electromagnetic reversing valves of Y type；The hydraulic control mouth A of the 6th dynamic valve C6 leads to The A mouth crossing choke valve and the 13rd solenoid directional control valve YV13 is connected, and the hydraulic control mouth B of the 6th dynamic valve passes through choke valve and the 13rd The B mouth of solenoid directional control valve is connected, and the P mouth of the 13rd solenoid directional control valve is connected with controlling fluid voltage stabilizing oil pipe G4, the 13rd electromagnetism The T mouth of reversal valve is connected with fuel tank, the 13rd solenoid directional control valve YV13 be slide valve function be two four-way electromagnetics commutation of D type Valve.
The P mouth of the 9th solenoid directional control valve YV9 is connected with epicoele oil pipe G2, the T mouth of the 9th solenoid directional control valve YV9 and fuel tank phase Even, the B mouth of the 9th solenoid directional control valve YV9 and the bar chamber of first and second plunger case are connected, and the 9th solenoid directional control valve YV9 is guiding valve machine Can be two four-way electromagnetic reversing valves of EA type.
The P mouth of the 8th solenoid directional control valve YV8 is connected with epicoele oil pipe G2, the T mouth of the 8th solenoid directional control valve YV8 and fuel tank phase Even, the B mouth of the 8th solenoid directional control valve YV8 is connected with the bar chamber of third and fourth plunger case, and the 8th solenoid directional control valve YV8 is guiding valve machine Can be two four-way electromagnetic reversing valves of EA type.
Time under slide block is fast, when the tenth solenoid directional control valve YV10 obtains electric, control fluid and open rapidly the 3rd dynamic valve C3, epicoele Pressure oil in oil pipe G2 quickly enters the epicoele of piston cylinder by the 3rd dynamic valve C3；9th solenoid directional control valve YV9 obtains simultaneously Electricity, the pressure oil in epicoele oil pipe G2 enters the bar chamber of first and second plunger case by the 9th solenoid directional control valve YV9.8th electromagnetism Reversal valve YV8 obtains electric, and the pressure oil in epicoele oil pipe G2 enters the bar of third and fourth plunger case by the 8th solenoid directional control valve YV8 Chamber, but the fluid that first, second and third servopump provides can not meet far away piston cylinder and the needs of each plunger case volume change. Therefore, time under slide block is fast, the 13rd solenoid directional control valve YV13 is in power failure state, and the 6th dynamic valve C6 is in open mode, oil Fluid in case constantly fills into the epicoele of piston cylinder, and the dynamic valve of open in usual the 6th, without overcoming self-suction, adds under making slide block fast Speed is big, speed is fast.
Change a job under slide block is fast into time, the pressure oil in epicoele oil pipe G2 quickly enters piston cylinder by the 3rd dynamic valve C3 Epicoele, the 13rd solenoid directional control valve YV13 obtains electric, controls fluid and closes rapidly the 6th dynamic valve C6 so that piston cylinder 1 epicoele pressure Power raises rapidly.Instantly when cavity pressure is elevated above 8MPa, the 5th overflow valve F5 opens so that the first inserted valve CZ1 opens, under Chamber oil circuit and fuel tank communicate, and slide block is under pressure oil effect, it is achieved work is entered at a slow speed.6th dynamic valve C6 is at the 13rd electromagnetic switch Valve YV13 obtain electric after, close rapidly, response time is fast, and controlling extent is high with reliability so that changes a job under Kuai and stops into not havinging Stagnant phenomenon.
The bar chamber of first and second plunger case is connected with the 7th dynamic valve C7, the entrance of the 8th dynamic valve C8 also simultaneously, and the 7th moves State valve C7, the outlet of the 8th dynamic valve C8 are connected with fuel tank respectively；The hydraulic control mouth A of the 7th dynamic valve C7 passes through choke valve and the tenth The A mouth of four solenoid directional control valve YV14 is connected, and the hydraulic control mouth B of the 7th dynamic valve passes through choke valve and the B of the 14th solenoid directional control valve Mouthful be connected, the P mouth of the 14th solenoid directional control valve with control fluid voltage stabilizing oil pipe G4 be connected, the T mouth of the 14th solenoid directional control valve and Fuel tank be connected, the 14th solenoid directional control valve YV14 be slide valve function be two four-way electromagnetic reversing valves of D type.
The hydraulic control mouth A of the 8th dynamic valve C8 is connected by the A mouth of choke valve and the 15th solenoid directional control valve YV15, and the 8th moves The hydraulic control mouth B of state valve is connected by the B mouth of choke valve and the 15th solenoid directional control valve, the P mouth of the 15th solenoid directional control valve and control Liquefaction liquid voltage stabilizing oil pipe G4 is connected, and the T mouth of the 15th solenoid directional control valve is connected with fuel tank, and the 15th solenoid directional control valve YV15 is sliding Valve function is two four-way electromagnetic reversing valves of D type.
Time under slide block is fast, the 14th solenoid directional control valve YV14, the 15th equal dead electricity of solenoid directional control valve YV15, the 7th dynamic valve C7, the 8th dynamic valve C8 are normally opened, and the fluid in fuel tank constantly fills into the bar chamber of first and second plunger case, and open in usual the 7th is dynamic Valve C7, the 8th dynamic valve C8 are without overcoming self-suction, and acceleration is big, speed is fast to make slide block descend soon.
The bar chamber of third and fourth plunger case is connected with the 4th dynamic valve C4, the entrance of the 5th dynamic valve C5 also simultaneously, and the 4th moves State valve C4, the outlet of the 5th dynamic valve C5 are connected with fuel tank respectively；The hydraulic control mouth A of the 4th dynamic valve C4 passes through choke valve and the tenth The A mouth of one solenoid directional control valve YV11 is connected.The hydraulic control mouth B of the 4th dynamic valve passes through choke valve and the B of the 11st solenoid directional control valve Mouthful be connected, the P mouth of the 11st solenoid directional control valve with control fluid voltage stabilizing oil pipe G4 be connected, the T mouth of the 11st solenoid directional control valve and Fuel tank be connected, the 11st solenoid directional control valve YV11 be slide valve function be two four-way electromagnetic reversing valves of D type.
The hydraulic control mouth A of the 5th dynamic valve C5 is connected by the A mouth of choke valve and the 12nd solenoid directional control valve YV12, and the 5th moves The hydraulic control mouth B of state valve is connected by the B mouth of choke valve and the 12nd solenoid directional control valve, the P mouth of the 12nd solenoid directional control valve and control Liquefaction liquid voltage stabilizing oil pipe G4 is connected, and the T mouth of the 12nd solenoid directional control valve is connected with fuel tank, and the 12nd solenoid directional control valve YV12 is sliding Valve function is two four-way electromagnetic reversing valves of D type.
Time under slide block is fast, the 11st solenoid directional control valve YV11, the 12nd equal dead electricity of solenoid directional control valve YV12, the 4th dynamic valve C4, the 5th dynamic valve C5 are normally opened, and the fluid in fuel tank constantly fills into the bar chamber of third and fourth plunger case, and open in usual the 4th is dynamic Valve C4, the 5th dynamic valve C5 are without overcoming self-suction, and acceleration is big, speed is fast to make slide block descend soon.Change a job under slide block is fast into time, root According to the needs of tonnage, select the 4th dynamic valve C4, the 5th dynamic valve C5, the 6th dynamic valve C6, the 7th dynamic valve C7, the 8th dynamic Valve C8 is normally opened or closes.
Such as when 100T work is entered, the 13rd solenoid directional control valve YV13, the 14th solenoid directional control valve YV14, the 15th electromagnetism change To the equal dead electricity of valve YV15, the 6th dynamic valve C6, the 7th dynamic valve C7, the 8th dynamic valve C8 are normally opened, the epicoele of piston cylinder and first, Pressure is not built in the bar chamber of two plunger cases；11st solenoid directional control valve YV11, the 12nd solenoid directional control valve YV12 all electric, the 4th is dynamic Valve C4, the 5th dynamic valve C5 close, and pressure is built in the bar chamber of third and fourth plunger case.
When 200T work is entered, the 13rd solenoid directional control valve YV13 dead electricity, the 6th dynamic valve C6 is normally opened, and the epicoele of piston cylinder is not built Pressure；11st solenoid directional control valve YV11, the 12nd solenoid directional control valve YV12, the 14th solenoid directional control valve YV14, the 15th electromagnetism Reversal valve YV15 all electric, the 4th dynamic valve C4, the 5th dynamic valve C5, the 7th dynamic valve C7, the 8th dynamic valve C8 close, the One, pressure is built in the bar chamber of two, three, four plunger cases.
When 300T work is entered, the 11st solenoid directional control valve YV11, the 12nd solenoid directional control valve YV12, the 14th solenoid directional control valve YV14, the 15th equal dead electricity of solenoid directional control valve YV15, the 4th dynamic valve C4, the 5th dynamic valve C5, the 7th dynamic valve C7, the 8th move Valve C8 is normally opened for state, and pressure is not built in the bar chamber of first, second, third and fourth plunger case；13rd solenoid directional control valve YV13 obtains electric, and the 6th is dynamic Valve C6 closes, and the epicoele of piston cylinder builds pressure.
When 400T work is entered, the 14th solenoid directional control valve YV14, the 15th equal dead electricity of solenoid directional control valve YV15, the 7th dynamic valve C7, the 8th dynamic valve C8 are normally opened, and pressure is not built in the bar chamber of first and second plunger case；11st solenoid directional control valve YV11, the 12nd electromagnetism Reversal valve YV12, the 13rd solenoid directional control valve YV13 obtain electric, and the 4th dynamic valve C4, the 5th dynamic valve C5, the 6th dynamic valve C6 close Closing, pressure is built in the bar chamber of the epicoele of piston cylinder and third and fourth plunger case.
When 500T work is entered, the 11st solenoid directional control valve YV11, the 12nd solenoid directional control valve YV12, the 13rd solenoid directional control valve YV13, the 14th solenoid directional control valve YV14, the 15th solenoid directional control valve YV15 all electric, the 4th dynamic valve C4, the 5th dynamic valve C5, the 6th dynamic valve C6, the 7th dynamic valve C7, the 8th dynamic valve C8 close, the epicoele of piston cylinder and first, second, third and fourth plunger Pressure is all built in the bar chamber of cylinder.
It is that nominal pressure is different that the master cylinder hydraulic pressure system of fast and stable of the present invention operates between each tonnage, operation principle, Work efficiency is basically identical, is described as follows a do action of slider of hydraulic press below as a example by 300T:
Under slide block is fast: the first solenoid directional control valve YV1 obtains electric, the first dynamic valve C1 closes, first, second and third servopump B1, B2, B3 Starting, pressure oil fuel feed pump G1 builds pressure.Control fluid plunger displacement pump B4 to start, control fluid voltage stabilizing oil pipe G4 and build pressure.
7th Solenoid ball valve YV7 obtains and electric makes the 4th inserted valve CZ4 open, and double active proportional throttle valve YAB obtain electric opening, and Four solenoid directional control valve YV4 obtain and electric make the second inserted valve CZ2 open so that master cylinder cavity of resorption and fuel tank directly communicate, and slide block is in nothing Bearing state, under gravity, moves downward.
5th solenoid directional control valve YV5 obtains and electric makes the second dynamic valve C2 open, and epicoele oil pipe G2 builds pressure；Tenth solenoid directional control valve YV10 obtains and electric makes the 3rd dynamic valve C3 open, and the 8th solenoid directional control valve YV8 and the 9th solenoid directional control valve YV9 must conduct simultaneously, Pressure oil in epicoele oil pipe G2 enters the epicoele of piston cylinder by the 3rd dynamic valve C3, is entered by the 9th solenoid directional control valve YV9 Enter the bar chamber of first and second plunger case, entered the bar chamber of third and fourth plunger case by the 8th solenoid directional control valve YV8.
Time under slide block is fast, the fluid that first, second and third servopump provides can not meet far away piston cylinder and each plunger case volume The needs of change.Therefore, the 11st solenoid directional control valve YV11, the 12nd solenoid directional control valve YV12, the 13rd solenoid directional control valve YV13, the 14th solenoid directional control valve YV14 and the 15th equal dead electricity of solenoid directional control valve YV15, control fluid is opened rapidly the 4th and is moved State valve C4, the 5th dynamic valve C5, the 6th dynamic valve C6, the 7th dynamic dynamic valve C8 of valve C7 and the 8th, the fluid in fuel tank is continuous Filling into the bar chamber of the epicoele of piston cylinder, first, second, third and fourth plunger case, acceleration is big, speed is fast to make slide block descend soon.
Will change a job under Kuai into time, the 3rd solenoid directional control valve YV3 obtains and electric makes the first inserted valve CZ1 be controlled by the 5th overflow valve F5, changes a job into ready under fast, reduces impact.
Slide block work is entered: when 300T work is entered, and first and second servopump B1, B2 keeps work, the 3rd servopump B3 to stop fortune OK.
13rd solenoid directional control valve YV13 obtains electric, controls fluid and closes rapidly the 6th dynamic valve C6 so that piston cylinder 1 epicoele Pressure raises rapidly, and response time is fast so that change a job into not havinging stagnation behavior under Kuai.3rd solenoid directional control valve YV3 keeps The first inserted valve CZ1 electric must be made to be controlled by the 5th overflow valve F5, and double active proportional throttle valve YAB dead electricity are closed, piston cylinder cavity of resorption Oil return line cuts off, and slide block can not move downward under Gravitative Loads.When the pressure of the first inserted valve CZ1 hydraulic control mouth is higher than 8MPa Time, the 5th overflow valve F5 opens so that the first inserted valve CZ1 opens, and cavity of resorption oil circuit and fuel tank communicate；Slide block is in pressure oil effect Under, work is entered at a slow speed.Now the 4th solenoid directional control valve YV4 dead electricity makes the second inserted valve CZ2 close, and the 6th solenoid directional control valve YV6 loses Electricity makes the 3rd inserted valve CZ3 close.
8th solenoid directional control valve YV8 and the 9th solenoid directional control valve YV9 dead electricity, the pressure oil in epicoele oil pipe G2 does not enters back into The bar chamber of first, second, third and fourth plunger case；11st solenoid directional control valve YV11, the 12nd solenoid directional control valve YV12, the 14th electricity Magnetic reversal valve YV14 and the 15th solenoid directional control valve YV15 keeps dead electricity, and the bar chamber of first, second, third and fourth plunger case passes through the 4th Dynamically valve C4, the 5th dynamic valve C5, the 7th dynamic dynamic valve C8 of valve C7 and the 8th communicate with fuel tank.
After contact workpiece, slide block pressurizes: set the pressure target value of piston cylinder epicoele, epicoele oil pipe G2 on the touchscreen On high-precision second pressure transducer CP2 (≤0.5%FSO) and the second Pressure gauge BP2 is installed, servo-drive pass through second Pressure transducer CP2 carries out pressure signal Real-time Feedback, carries out motor speed feedback by encoder for servo motor.And then pass through Pressure flow two close cycles algorithm within servo-drive, regulates servomotor rotating speed, it is achieved the high precision closed loop of pressure controls.I.e. When actual pressure is close to desired value, servomotor can reduce rotating speed automatically, has reached pressure and has not had overshoot phenomenon, level pressure Precision reaches ± 2% scope within.Second Pressure gauge BP2, for detecting the verity of force value, provides data refer for maintenance.
Slide block pressurize: it is identical with pressurized state that each solenoid directional control valve obtains electric situation, uses pump to protect function, and servopump group is certainly The dynamic upper cavity pressure value maintaining piston cylinder at the low rotational speed, Pressure Retention is good.
Slide block pressure release: the first solenoid directional control valve YV1 dead electricity, the first dynamic valve C1 opens, in pressure oil fuel feed pump G1 Pressure oil is by the first dynamic valve C1 to fuel tank pressure release, and first and second servopump B1, B2 is the most out of service.7th Solenoid ball valve YV7 Dead electricity makes the 4th inserted valve CZ4 close, and the 3rd solenoid directional control valve YV3 dead electricity makes the first inserted valve CZ1 be controlled by the to overflow simultaneously Stream valve F4.
5th solenoid directional control valve YV5 dead electricity makes the second dynamic valve C2 close rapidly, and proportional flow control valve YAA obtains electric opening, and lives The pressure oil of plug cylinder 1 epicoele passes through the 3rd dynamic valve C3, proportional flow control valve YAA pressure release, only need to revise numerical value on the touchscreen, just Can easily change the opening of proportional flow control valve YAA, thus obtain the pressure release speed needed, efficiency is high, and having stable behavior.
Slide block backhaul: first, second and third servopump B1, B2, B3 puts into operation, the first solenoid directional control valve YV1 obtains electric, the One dynamic valve C1 quick closedown, pressure oil fuel feed pump G1 builds rapidly pressure.
6th solenoid directional control valve YV6 obtains and electric is opened by 3rd inserted valve CZ3, and the 7th Solenoid ball valve YV7 obtains and electric inserts the 4th Dress valve CZ4 opens, and the pressure oil in pressure oil fuel feed pump G1 enters in lower cavity oil pipe G3, subsequently into the cavity of resorption of piston cylinder.The Three solenoid directional control valve YV3 keep dead electricity to make the first inserted valve CZ1 be controlled by the 4th overflow valve F4.
Proportional flow control valve YAA dead electricity is closed, and the tenth solenoid directional control valve YV10 dead electricity makes the 3rd dynamic valve C3 close, and the 13rd Solenoid directional control valve YV13 dead electricity makes the 6th dynamic valve C6 open, and the epicoele of piston cylinder 1 communicates with fuel tank, slide block backhaul, and the 6th overflows Stream valve F6 plays the effect of relief valve.
This system completes the time of a do action and can control at about 2.8 seconds, and speed is fast, stable action.
Proportional flow control valve YAA can use safe rich KTG4V-3S-2B08N-M-U1-H5-60-EN427 type；Double active ratios save Stream valve YAB can use safe rich TLCF032-2WRCD-1X/SG24 type.
The foregoing is only the preferable possible embodiments of the present invention, the non-patent protection model therefore limiting to the present invention Enclose.In addition to the implementation, the present invention can also have other embodiments.The skill that all employing equivalents or equivalent transformation are formed Art scheme, all falls within the protection domain of application claims.The present invention can pass through or use existing without the technical characteristic described There is technology to realize, do not repeat them here.

Claims (10)

1. a master cylinder hydraulic pressure system for fast and stable, including the piston cylinder (1) being connected with slider top center and with slide block four Individual corner connect first, second, third and fourth plunger case, wherein first and second plunger case be diagonal arrange, third and fourth plunger case in Diagonal is arranged, described piston cylinder and each plunger case are provided pressure oil by main pump module (CF1) respectively, it is characterised in that: described The epicoele of piston cylinder and the bar chamber of described first, second, third and fourth plunger case are respectively by pressure match module (CF4) and epicoele oil Pipe (G2) is connected, and the cavity of resorption of described piston cylinder (1) is connected with lower cavity oil pipe (G3), described epicoele oil pipe (G2) and lower cavity oil pipe (G3) it is connected with described main pump module (CF1) by high accuracy control module (CF3) respectively, described main pump module (CF1) and height The control fluid of precision controlling module (CF3) is both from controlling fluid voltage stabilizing oil pipe (G4), described control fluid voltage stabilizing oil pipe (G4) it is connected for the outlet of source module (CF2) with control fluid.
The master cylinder hydraulic pressure system of fast and stable the most according to claim 1, it is characterised in that: described main pump module (CF1) Including first, second and third servopump (B1, B2, B3), the suction inlet of first, second and third servopump is connected with fuel tank respectively, first and second, Three servo delivery side of pump are connected with the entrance of pressure oil fuel feed pump (G1) by first, second and third check valve (D1, D2, D3), described Pressure oil fuel feed pump (G1) is connected with the entrance of the first dynamic valve (C1), the outlet of the described first dynamic valve (C1) and fuel tank phase Even, the hydraulic control mouth A of the described first dynamic valve (C1) is connected by the A mouth of choke valve and the first solenoid directional control valve (YV1), and described the The hydraulic control mouth B of one dynamic valve is connected by the B mouth of choke valve and the first solenoid directional control valve, the P mouth of the first solenoid directional control valve and institute Stating control fluid voltage stabilizing oil pipe (G4) to be connected, the T mouth of the first solenoid directional control valve is connected with fuel tank；Described pressure oil fuel feed pump (G1) Be connected with fuel tank by the first overflow valve (F1), described first solenoid directional control valve (YV1) be slide valve function be two four-ways of D type Solenoid directional control valve.
The master cylinder hydraulic pressure system of fast and stable the most according to claim 1, it is characterised in that: described control fluid supply source mould Block (CF2) includes controlling fluid plunger displacement pump (B4), oil filter (L1), the 4th check valve (D4), accumulator (X1), the first stop valve (J1) and the second stop valve (J2), the suction inlet of described control fluid plunger displacement pump (B4) is connected with fuel tank, described control fluid plunger The outlet of pump (B4) is connected with described 4th check valve (D4) by described oil filter (L1), and described 4th check valve (D4) goes out Mouth entrance with described accumulator (X1), the first stop valve (J1) and the second stop valve (J2) respectively is connected, and described first ends The outlet of valve (J1) is connected with fuel tank, the outlet of described second stop valve (J2) and described control fluid voltage stabilizing oil pipe (G4) phase Even.
The master cylinder hydraulic pressure system of fast and stable the most according to claim 3, it is characterised in that: described control fluid plunger displacement pump (B4) outlet is connected with fuel tank by the second overflow valve (F2), and the hydraulic control mouth of described second overflow valve passes through the second electromagnetic switch Valve (YV2) is connected with fuel tank, and described second solenoid directional control valve is 2/2-way solenoid directional control valve；Described 4th check valve (D4) Outlet is connected with fuel tank also by the 3rd overflow valve (F3)；First Pressure gauge is installed on the inlet duct of described accumulator (BP1) and the first pressure transducer (CP1), the break-make of described second solenoid directional control valve (YV2) is controlled by described first pressure and passes The force value that sensor records.
The master cylinder hydraulic pressure system of fast and stable the most according to claim 1, it is characterised in that: described high accuracy control module Including the second dynamic valve (C2) and proportional flow control valve (YAA), the entrance of the second dynamic valve (C2) and described pressure oil fuel feed pump (G1) being connected, the outlet of the second dynamic valve (C2) is connected with described epicoele oil pipe (G2), described epicoele oil pipe (G2) and described ratio The entrance of example flow valve (YAA) is connected, and the outlet of proportional flow control valve (YAA) is connected with fuel tank；Described second dynamic valve (C2) Hydraulic control mouth A is connected by the A mouth of choke valve and the 5th solenoid directional control valve (YV5), and the hydraulic control mouth B of the described second dynamic valve is by joint The B mouth of stream valve and the 5th solenoid directional control valve is connected, the P mouth of the 5th solenoid directional control valve and described control fluid voltage stabilizing oil pipe (G4) phase Even, the T mouth of the 5th solenoid directional control valve is connected with fuel tank；Described epicoele oil pipe (G2) is provided with the second Pressure gauge (BP2) and second Pressure transducer (CP2), the 5th solenoid directional control valve (YV5) be slide valve function be two four-way electromagnetic reversing valves of Y type.
The master cylinder hydraulic pressure system of fast and stable the most according to claim 5, it is characterised in that: described high accuracy control module Also include the first inserted valve (CZ1), the 3rd inserted valve (CZ3), the 4th inserted valve (CZ4) and double actively proportional throttle valve (YAB), The entrance of the 3rd inserted valve (CZ3) is connected with described pressure oil fuel feed pump (G1), and the outlet of the 3rd inserted valve (CZ3) is respectively with The entrance of one inserted valve (CZ1), the 4th inserted valve (CZ4) and double active proportional throttle valve (YAB) is connected, described first inserted valve (CZ1) and the outlet of double active proportional throttle valve (YAB) is connected with fuel tank respectively, the outlet of the 4th inserted valve (CZ4) is with described Lower cavity oil pipe (G3) is connected；The P mouth of double active proportional throttle valves (YAB) is connected with described control fluid voltage stabilizing oil pipe (G4)；The The hydraulic control mouth of one inserted valve (CZ1) respectively with the 4th overflow valve (F4), the entrance of the 5th overflow valve (F5) and the 3rd electromagnetic switch The P mouth of valve (YV3) is connected, and the outlet of the 5th overflow valve (F5) is connected with the A mouth of the 3rd solenoid directional control valve (YV3), the 3rd electromagnetism The T mouth of reversal valve (YV3) and the outlet of the 4th overflow valve (F4) are all connected with fuel tank, and the 3rd solenoid directional control valve (YV3) is guiding valve Function is two four-way electromagnetic reversing valves of D；The hydraulic control mouth of the 3rd inserted valve (CZ3) is connected with the outlet of shuttle valve (D5), shuttle valve (D5) right entry and the outlet of the 3rd inserted valve (CZ3) are connected, the left entry of shuttle valve (D5) and the 6th solenoid directional control valve (YV6) A mouth be connected, the P mouth of the 6th solenoid directional control valve (YV6) is connected with described pressure oil fuel feed pump (G1), the 6th solenoid directional control valve (YV6) T mouth is connected with fuel tank, the 6th solenoid directional control valve (YV6) be slide valve function be two four-way electromagnetic reversing valves of D type； The hydraulic control mouth of the 4th inserted valve (CZ4) and the A mouth of the 7th Solenoid ball valve (YV7) are connected, and the 7th Solenoid ball valve (YV7) is two three Logical Solenoid ball valve, the P mouth of the 7th Solenoid ball valve (YV7) is connected with described lower cavity oil pipe (G3), the T of the 7th Solenoid ball valve (YV7) Mouth is connected with fuel tank；Described lower cavity oil pipe (G3) is connected with fuel tank by the 6th overflow valve (F6).
The master cylinder hydraulic pressure system of fast and stable the most according to claim 6, it is characterised in that: double active proportional throttle valves (YAB) outlet is connected with the entrance of the second inserted valve (CZ2), and the outlet of the second inserted valve (CZ2) is connected with fuel tank, and described Two inserted valves (CZ2) are provided with aperture regulation handle, the hydraulic control mouth of described second inserted valve (CZ2) and the 4th solenoid directional control valve (YV4) A mouth is connected, and the P mouth of the 4th solenoid directional control valve (YV4) and the entrance of the second inserted valve (CZ2) are connected, and the 4th electromagnetism changes T mouth to valve (YV4) is connected with fuel tank, the 4th solenoid directional control valve (YV4) be slide valve function be two four-way electromagnetics commutation of D type Valve.
The master cylinder hydraulic pressure system of fast and stable the most according to claim 1, it is characterised in that: described pressure match module bag Include the 3rd dynamic valve (C3), the 8th solenoid directional control valve (YV8), the 9th solenoid directional control valve (YV9) and the tenth solenoid directional control valve (YV10), the entrance of the described 3rd dynamic valve (C3) is connected with described epicoele oil pipe (G2), and the described 3rd dynamic valve (C3) goes out Mouth is connected with the epicoele of described piston cylinder；The hydraulic control mouth A of the described 3rd dynamic valve (C3) passes through choke valve and the tenth electromagnetic switch The A mouth of valve (YV10) is connected, and the hydraulic control mouth B of the described 3rd dynamic valve is connected by the B mouth of choke valve and the tenth solenoid directional control valve, The P mouth of the tenth solenoid directional control valve is connected with described control fluid voltage stabilizing oil pipe (G4), the T mouth of the tenth solenoid directional control valve and fuel tank phase Even；The epicoele of described piston cylinder also entrance with the 6th dynamic valve (C6) is connected, the outlet of the 6th dynamic valve (C6) and fuel tank phase Even, the tenth solenoid directional control valve (YV10) be slide valve function be two four-way electromagnetic reversing valves of Y type；Described 6th dynamic valve (C6) Hydraulic control mouth A connected by the A mouth of choke valve and the 13rd solenoid directional control valve (YV13), the hydraulic control mouth B of the described 6th dynamic valve It is connected by the B mouth of choke valve and the 13rd solenoid directional control valve, the P mouth of the 13rd solenoid directional control valve and described control fluid voltage stabilizing Oil pipe (G4) is connected, and the T mouth of the 13rd solenoid directional control valve is connected with fuel tank, and the 13rd solenoid directional control valve (YV13) is slide valve function Two four-way electromagnetic reversing valves for D type；The P mouth of the 9th solenoid directional control valve (YV9) is connected with described epicoele oil pipe (G2), and the 9th The T mouth of solenoid directional control valve (YV9) is connected with fuel tank, the B mouth of the 9th solenoid directional control valve (YV9) and described first and second plunger case Bar chamber be connected, the 9th solenoid directional control valve (YV9) be slide valve function be two four-way electromagnetic reversing valves of EA type；8th electromagnetic switch The P mouth of valve (YV8) is connected with described epicoele oil pipe (G2), and the T mouth of the 8th solenoid directional control valve (YV8) is connected with fuel tank, the 8th electricity The B mouth of magnetic reversal valve (YV8) is connected with the bar chamber of third and fourth plunger case described, and the 8th solenoid directional control valve (YV8) is slide valve function Two four-way electromagnetic reversing valves for EA type.
The master cylinder hydraulic pressure system of fast and stable the most according to claim 8, it is characterised in that: described first and second plunger case Bar chamber be connected with the 7th dynamic valve (C7), the entrance of the 8th dynamic valve (C8) also simultaneously, the 7th dynamic valve (C7), the 8th dynamic The outlet of valve (C8) is connected with fuel tank respectively；The hydraulic control mouth A of the described 7th dynamic valve (C7) passes through choke valve and the 14th electromagnetism The A mouth of reversal valve (YV14) is connected, and the hydraulic control mouth B of the described 7th dynamic valve passes through choke valve and the B of the 14th solenoid directional control valve Mouth is connected, and the P mouth of the 14th solenoid directional control valve is connected with described control fluid voltage stabilizing oil pipe (G4), the 14th solenoid directional control valve T mouth is connected with fuel tank, the 14th solenoid directional control valve (YV14) be slide valve function be two four-way electromagnetic reversing valves of D type；Described The hydraulic control mouth A of the 8th dynamic valve (C8) is connected by the A mouth of choke valve and the 15th solenoid directional control valve (YV15), and the described 8th moves The hydraulic control mouth B of state valve is connected by the B mouth of choke valve and the 15th solenoid directional control valve, the P mouth of the 15th solenoid directional control valve and institute Stating control fluid voltage stabilizing oil pipe (G4) to be connected, the T mouth of the 15th solenoid directional control valve is connected with fuel tank, the 15th solenoid directional control valve (YV15) be slide valve function be two four-way electromagnetic reversing valves of D type.
The master cylinder hydraulic pressure system of fast and stable the most according to claim 8 or claim 9, it is characterised in that: third and fourth post described The bar chamber of plug cylinder is connected with the 4th dynamic valve (C4), the entrance of the 5th dynamic valve (C5) also simultaneously, the 4th dynamic valve (C4), the 5th Dynamically the outlet of valve (C5) is connected with fuel tank respectively；The hydraulic control mouth A of the described 4th dynamic valve (C4) passes through choke valve and the 11st The A mouth of solenoid directional control valve (YV11) is connected, and the hydraulic control mouth B of the described 4th dynamic valve passes through choke valve and the 11st solenoid directional control valve B mouth be connected, the P mouth of the 11st solenoid directional control valve is connected with described control fluid voltage stabilizing oil pipe (G4), the 11st electromagnetic switch The T mouth of valve is connected with fuel tank, the 11st solenoid directional control valve (YV11) be slide valve function be two four-way electromagnetic reversing valves of D type； The hydraulic control mouth A of the described 5th dynamic valve (C5) is connected by the A mouth of choke valve and the 12nd solenoid directional control valve (YV12), and described the The hydraulic control mouth B of five dynamic valves is connected by the B mouth of choke valve and the 12nd solenoid directional control valve, the P mouth of the 12nd solenoid directional control valve Being connected with described control fluid voltage stabilizing oil pipe (G4), the T mouth of the 12nd solenoid directional control valve is connected with fuel tank, the 12nd electromagnetic switch Valve (YV12) be slide valve function be two four-way electromagnetic reversing valves of D type.
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