CN108533538A - A kind of gas-liquid sealing chamber based on Flexible Transmission and the application in gas-liquid linkage actuator - Google Patents
A kind of gas-liquid sealing chamber based on Flexible Transmission and the application in gas-liquid linkage actuator Download PDFInfo
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- CN108533538A CN108533538A CN201810421684.0A CN201810421684A CN108533538A CN 108533538 A CN108533538 A CN 108533538A CN 201810421684 A CN201810421684 A CN 201810421684A CN 108533538 A CN108533538 A CN 108533538A
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- 239000007788 liquid Substances 0.000 title claims abstract description 203
- 238000007789 sealing Methods 0.000 title claims abstract description 56
- 230000005540 biological transmission Effects 0.000 title claims abstract description 17
- 239000010985 leather Substances 0.000 claims abstract description 61
- 238000002955 isolation Methods 0.000 claims abstract description 43
- 239000012530 fluid Substances 0.000 claims abstract description 24
- 238000012544 monitoring process Methods 0.000 claims description 2
- 239000010720 hydraulic oil Substances 0.000 abstract description 42
- 238000009434 installation Methods 0.000 abstract description 10
- 238000013461 design Methods 0.000 abstract description 4
- 239000000446 fuel Substances 0.000 abstract description 4
- 238000002347 injection Methods 0.000 abstract description 4
- 239000007924 injection Substances 0.000 abstract description 4
- 239000000203 mixture Substances 0.000 abstract description 3
- 238000004806 packaging method and process Methods 0.000 abstract description 3
- 239000007789 gas Substances 0.000 description 74
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- 230000000694 effects Effects 0.000 description 9
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- 239000012071 phase Substances 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 238000006243 chemical reaction Methods 0.000 description 5
- 235000003642 hunger Nutrition 0.000 description 5
- 238000012423 maintenance Methods 0.000 description 5
- 239000003345 natural gas Substances 0.000 description 5
- 230000037351 starvation Effects 0.000 description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 239000003595 mist Substances 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 230000003749 cleanliness Effects 0.000 description 3
- 230000033001 locomotion Effects 0.000 description 3
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- 238000004945 emulsification Methods 0.000 description 2
- 230000001804 emulsifying effect Effects 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 238000004880 explosion Methods 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
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- 239000006096 absorbing agent Substances 0.000 description 1
- 230000004308 accommodation Effects 0.000 description 1
- 238000003915 air pollution Methods 0.000 description 1
- 238000000889 atomisation Methods 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000002775 capsule Substances 0.000 description 1
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- 239000000463 material Substances 0.000 description 1
- 238000010338 mechanical breakdown Methods 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B1/00—Installations or systems with accumulators; Supply reservoir or sump assemblies
- F15B1/02—Installations or systems with accumulators
- F15B1/04—Accumulators
- F15B1/08—Accumulators using a gas cushion; Gas charging devices; Indicators or floats therefor
- F15B1/10—Accumulators using a gas cushion; Gas charging devices; Indicators or floats therefor with flexible separating means
-
- 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
- F15B1/00—Installations or systems with accumulators; Supply reservoir or sump assemblies
- F15B1/02—Installations or systems with accumulators
- F15B1/04—Accumulators
- F15B1/08—Accumulators using a gas cushion; Gas charging devices; Indicators or floats therefor
- F15B1/10—Accumulators using a gas cushion; Gas charging devices; Indicators or floats therefor with flexible separating means
- F15B1/106—Accumulators using a gas cushion; Gas charging devices; Indicators or floats therefor with flexible separating means characterised by the way housing components are assembled
-
- 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
- F15B19/00—Testing; Calibrating; Fault detection or monitoring; Simulation or modelling of fluid-pressure systems or apparatus not otherwise provided for
-
- 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
- F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
- F15B21/04—Special measures taken in connection with the properties of the fluid
- F15B21/041—Removal or measurement of solid or liquid contamination, e.g. filtering
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/12—Actuating devices; Operating means; Releasing devices actuated by fluid
- F16K31/122—Actuating devices; Operating means; Releasing devices actuated by fluid the fluid acting on a piston
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Supply Devices, Intensifiers, Converters, And Telemotors (AREA)
Abstract
The invention discloses a kind of gas-liquid sealing chamber based on Flexible Transmission（Hereinafter referred to as gas-liquid sealing chamber）And the application of the gas-liquid sealing chamber in gas-liquid linkage actuator, it includes that tank body, isolation leather bag, air inlet/outlet and liquid in-out mouth, the opening that leather bag is isolated are sealingly mounted on the air inlet/outlet or the liquid in-out mouth, and tank inner chamber is isolated into air chamber and fluid chamber by isolation leather bag.The gas-liquid sealing chamber that the present invention is driven with gas-liquid isolated flexible replaces the non-isolated tank of traditional gas-liquid of gas-liquid linkage actuator（Hereinafter referred to as gas-liquid tank）Completely eliminate high pressure gas in system and as being in direct contact between the hydraulic oil of driving medium, mutually blend, the fuel injection event that gas-liquid linkage actuator occurs in use is prevented with this, and gas-liquid linkage actuator product during design, layout, installation, use, packaging, transport etc. gas-liquid tank cannot completely it is horizontal put either to be horizontally arranged be merely able to be arranged vertically or tilt upwardly disposed problem.
Description
Technical field
The present invention relates to a kind of gas-liquid linkage actuator fields, and in particular to a kind of gas-liquid sealing chamber based on Flexible Transmission
And the application in gas-liquid linkage actuator.
Background technology
Gas-liquid linkage actuator is one of key equipment and capital equipment of long defeated natural valve cage, be widely used in oil,
On the pipelines such as natural gas line, as broken pipe failure emergency shutoff device or line fracture emergency protective device（Band line fracture
Emergency cut-off system）.Gas-liquid linkage actuator can monitor line pressure automatically and realize valve-closing.In long-distance transport pipes, change
Work dangerous material pipeline etc. is extremely important.Long distance pipeline is revealed due to the abnormal causes generator tube such as construction, earthquake, fire
It is automatically cut off when the emergencies such as splitting, leak, exploding, reduces and reduce accident risk, the state of affairs that averts a calamity further expands
Greatly, to which entire accident harm, danger are preferably minimized.
Rapid economic development, industrialization quickly propel, and China is also increasingly soaring to the demand of petroleum resources.According to statistics,
Natural gas has 99% to depend on pipeline on global land.
The characteristics of making a general survey of modern natural gas line technology development：Long term distance conveys（The Sino-Russian eastern line put into operation
3170 kilometers of natural gas line China segment pipe, nearly 4000 kilometers of Russian section）；Pipe diameter continuous enlargement is managed at present
Line reaches 1400mm；Discharge pressure grade is high, based on 10MPa and 12MPa；Pipe feed flow is big.Oil and gas industry safety problem
Also it is increasingly subject to the attention of state and society.For take place frequently oil gas pipe network explosion, chemical plant explosion etc. accidents, everybody quite has
How lingering fear reduces safety accident, becomes the emphasis of all circles' concern.In oil gas field, safety is without minor matter.Certainly, oil gas is pacified
Full problem is also global problem.
This requires main pipelines, and a compressor station is arranged every 150~170km, to keep pipe high-pressure big flow defeated
It send；One seat valve room is set every 30km, in case blocking use when Emergency time and pipeline maintenance.
Gas-liquid linkage actuator is to form the capital equipment of the gas-liquid linked block valve of valve chamber, can utilize the gas of pipeline
The power source that body pressure medium works as actuator drives valve event, realizes valve opening or closes valve.Gas-liquid linkage actuator work
Make that principle is simple, control is safe and reliable, environmental suitability is strong, disclosure satisfy that the all-weather condition of outdoor harshness.The product
Directly using pipe natural gas as power gas source.
Gas-liquid linkage actuator must have a reliable torque drive, and when normal operation, block valve is chronically at fully open position,
The emergency of accident needs action message completion valve closing in a short time.
The effect of the gas-liquid linked block valve of gas pipeline is great, is but chronically at the situation being ready just in case, and is not easy to examine
Look into repair.Therefore, there is strict demand to its quality and functional reliability.
The core technology of these equipment, price fixing power and subsequent technology service are by a small number of institutes of developed country a few years ago
It grasps, carries out relevant device production domesticization research and popularization and application, either to NG Pipeline Construction operation enterprise, or to dress
Standby manufacturing enterprise all has significant urgent.
Gas-liquid linkage actuator is the control executing agency of gas-liquid linked block valve open and close, generally comprises executive device
Main body, gas-liquid（Conversion）Tank, air accumulator, atmospheric control, manual pump, on the spot valve phase indicator, mechanical stop limiter, shaft coupling
Device, speed regulation device should also include when needing：Solenoid valve, electronic control unit, power supply system and institute of correct operation executing agency
The other any device compositions needed.
Gas-liquid tank is an important system component part for constituting Pneumatic-hydraulic actuator, realizing function.Pneumatic-hydraulic actuator is originated from
Extraneous high voltage power controlled air is converted back by atmospheric control into corresponding hydraulic control in the case where controlling signal function
Road --- gas-liquid tank.The gas-liquid conversion that power and medium transmit is realized herein, it is real by liquid medium using isobaric transfer principle
Existing gas-liquid Synchronous Transmission acts on the hydraulic cylinder of valve actuator, to manipulate valve.In entire gas-liquid control system work
Make in operational process, gas-liquid tank is both the conversion tank of gas-liquid two-phase medium transformation and realizes that gas phase power is changed into liquid
The conversion tank that phase power transmits.
In gas-liquid linkage actuator control loop, the gas-liquid tank used at present is exactly the built-in liquid of common pressure restraining element
Pressure oil is not isolated between gas-liquid tank inside gas phase and liquid phase, and the high pressure gas and liquid medium into gas-liquid tank are in direct contact.
High pressure gas impacts liquid, and liquid can be atomized blistering, form splashing, bubble, volume expansion, volume when gas-liquid tank designs
It must there are enough surpluses.After work is completed, while compressed gas discharges, the hydraulic oil after atomization can also be arranged therewith
Go out, or directly overflows pollution environment.Serial hidden danger caused by fuel injection event or few oil, oil starvation either occurs.
Traditional gas-liquid tank（The non-isolated tank of gas-liquid）When being applied in valve actuator, the manufacturing, installation and debugging, behaviour
It uses, transporting maintenance process, there is also following defects：
1. using the gas-liquid linkage actuator of existing traditional gas-liquid tank, gas and the two different media of oil are in gas during the work time
Be in direct contact in flow container, there is a possibility that high-pressure working gas is dissolved in fluid, can bring therewith compressed gas and liquid it
Between impact, volume expansion, oil emulsifying, generate phenomena such as mist of oil, hydraulic oil pollution caused to working environment, environmental-protecting performance compared with
Difference.
2. the pressure of compressed gas source is passed through liquid by the high pressure gas after gas compression as the external expansion work of elastic element
While body is transmitted to executive component as the output of driving medium equipressure, since gas-liquid is to be in direct contact, valve actuator occurs
Oil spout, few oil, oil starvation, working gas with fluid be discharged etc. series of events be happen occasionally, once valve actuator oil starvation or
Few oil will be in abnormal working position, and since frequent oil spout leads to few oil, we can not be accurately and timely according to practical need
Fill hydraulic oil.
3. working gas is in direct contact with hydraulic oil, work is all not achieved in stability, cleanliness factor and the antipollution of hydraulic oil
It is required that the service life of hydraulic oil can be reduced in this way and extend the maintenance time of system.
4. since gas-liquid tank and built-in hydraulic oil are that gas-liquid linkage actuator product is indispensable because gas-liquid not every
From, valve actuator transported, installed, using composition in can be only in plumbness, the inclination of product is stood upside down and can be caused
Hydraulic oil overflows, and can not achieve any angle installation, or even installation of standing upside down, and model is applied this greatly limits this type product
The convenience enclosed and transported, install.
Invention content
It is an object of the invention to overcome the deficiencies of the prior art and provide a kind of gas-liquid isolation that leather bag being isolated with gas-liquid
Tank replaces the existing gas-liquid tank of gas-liquid linkage actuator, thoroughly solves the problems, such as that gas is in direct contact with hydraulic oil so that hydraulic pressure system
System is completely isolated with pneumatic circuit, thoroughly eliminates high pressure gas and as being in direct contact between the hydraulic oil of driving medium, phase
Mutually blending is avoided that in engineering process that oil spout occurs in hydraulic system, few oil, oil emulsifying, expansion lead to hydraulic system fault etc.
Phenomenon and there are the problem of.
The purpose of the present invention is achieved through the following technical solutions：
A kind of gas-liquid sealing chamber based on Flexible Transmission, including tank body, isolation leather bag, be arranged on the tank body top into outlet
Mouth is sealingly mounted at the liquid in-out mouth in the tank body bottom end, the opening of the isolation leather bag is arranged on the air inlet/outlet,
Tank inner chamber is isolated into air chamber and fluid chamber by isolation leather bag, and inside is air chamber, and outside is fluid chamber；Or the isolation
The opening of leather bag is sealingly mounted on the liquid in-out mouth, and tank inner chamber is isolated into air chamber and fluid chamber by isolation leather bag, interior
Portion is fluid chamber, and outside is air chamber.
Further, the air inlet/outlet and liquid in-out mouth are equipped with jointing, and the isolation leather bag passes through sealing group
Part is connected with the jointing.
Further, the seal assembly includes multiple fins and the clip being arranged on the jointing, clip
Aerial to be connected between adjacent lugs, the opening sealed clamping of the isolation leather bag is between fin and clip.
Further, the top of the gas-liquid sealing chamber is additionally provided with the pressure gauge that can monitor its internal pressure in real time.
Further, sedimeter is provided at the liquid in-out mouth in the gas-liquid sealing chamber, outside liquid in-out mouth
Pressure regulator valve is provided on pipeline.
Application of the gas-liquid sealing chamber above-mentioned in gas-liquid linkage actuator, the gas-liquid being driven using gas-liquid isolated flexible every
Replace the non-isolated tank of traditional gas-liquid of gas-liquid linkage actuator from tank（Traditional gas-liquid tank）.
The beneficial effects of the invention are as follows：
Gas-liquid linkage actuator the normal manufacturing, installation and debugging, operate with, transport maintenance process, will be built-in with
The novel gas-liquid sealing chamber of leather bag is isolated to substitute traditional gas-liquid tank of gas-liquid linkage actuator.Using novel gas-liquid sealing chamber
Novel gas-liquid actuator afterwards does not change the power of the operating principle and driving form of original control loop, pipeline and air accumulator
The driving pressure of gas is transmitted to actuator hydraulic circuit and oil cylinder still through novel gas-liquid sealing chamber equipressure, and gas control is driven
Dynamic circuit realized between hydraulic drive circuit liquid it is isobaric transmit or transmission, but power gas with hydraulic oil since skin is isolated
Capsule acts on, and two kinds of different mediums are no longer in direct contact in gas-liquid tank, realizes and is thoroughly isolated inside and outside leather bag, gas-liquid linkage actuator is
Phenomena such as oil spout, oil gas emulsification, jet will not be occurred by so that progress is frequently acted.
In the gas-liquid sealing chamber of the present invention, by the flexible leather bag in pressurized vessel, in gas-liquid tank
Space be divided into the leather bag external space in the gentle flow container in space in leather bag.In gas-liquid tank in application process, it can be used as in leather bag
Air chamber can also be used as fluid chamber.No matter it is isolated how leather bag fills, under the effect of the pressure, gas-liquid is isolated pot liquid and is situated between
Matter and gas medium can not only realize that Elastic Contact be isolated but also can be carried out to gas-liquid by elastic leather bag, the elastic contractile force of leather bag is small,
It is negligible.When gas-liquid linkage actuator carries out operating pneumatic, bleed pressure with pressure is realized equipressure by the present apparatus
It transmits and Flexible Transmission is to the hydraulic system or hydraulic driving oil cylinder of rear stage, completely eliminate high pressure gas and work in system
Being in direct contact, mutually blending between the hydraulic oil of driving medium, gas-liquid linkage actuator is prevented in use with this
The fuel injection event of appearance.
Furthermore in the course of work, even encounters after executive component valve completely closes, it is dynamic that shutdown valve breakdown can not be oppressed
When strength source, valve body is not vented, and is closed valve operation and is carried out always, power gas source source constantly into hydraulic oil tank of entering the GATT, pushes and closes hydraulic pressure
Oil tank hydraulic oil continues into hydraulic cylinder, but due to being mounted with that isolation leather bag, high compressed air have certain elastic buffer to make
With, in a high voltage state, gas and liquid are entirely isolated, and are not in oil spout or mist of oil phenomenon, gas with will not follow
Fluid is discharged.
It is had the advantage that and advantageous effect using the novel gas-liquid linkage actuator of the gas-liquid sealing chamber of built-in isolation leather bag：
1）Using novel gas-liquid linkage actuator, effect of the power gas with hydraulic oil since leather bag is isolated, two kinds of different mediums
It is no longer in direct contact in gas-liquid tank, realizes and be thoroughly isolated inside and outside leather bag, will not there is high-pressure work gas in the course of work again
Body is dissolved in the possibility of fluid, impact, volume expansion, emulsification, generation mist of oil between the compressed gas and liquid that bring therewith
The problems such as also disappear, reduce the air pollution to working environment and hydraulic oil pollution, energy conservation and environmental protection.
2）The pressure of compressed gas source is passed through liquid by the high pressure gas after gas compression as the external expansion work of elastic element
While body is transmitted to executive component as the output of driving medium equipressure, since gas and liquid are in completely isolated state, carry
The high stability of hydraulic oil, cleanliness factor and contamination resistance, extend the service life of hydraulic oil and the maintenance time of system.
Gas-liquid linkage actuator oil spout, few oil, oil starvation, working gas can not possibly occur with series of events such as fluid discharges again simultaneously, carry
The high working performance and Reliability of Microprocessor of gas-liquid linkage actuator.
3）The traditional working mode of gas-liquid linkage actuator is changed, the oiling of gas-liquid linkage actuator gas-liquid tank can be complete
It is accurately filled according to the actual needs of oil cylinder entirely.It is uneven and inclined to also avoid fluid caused by due to being leaked in system
From.
4）The use of hydraulic oil caused by being tilted, stood upside down due to product is overflowed.Gas-liquid linked using gas-liquid sealing chamber is held
What row device had overturned gas-liquid linkage actuator is merely able to vertically arranged conventional mounting mode, no longer due to hydraulic oil in gas-liquid tank
It is not isolated, so that product is merely able to carry out vertical packed and transported, right angle setting use.It can theoretically realize that any angle is pacified
Dress, or even installation of standing upside down.This greatly extends the convenience of the type products application accommodation and transport, installation.It solves
Gas-liquid tank cannot horizontal pendulum completely during design, layout, installation, use, packaging, transport etc. for liquid linkage actuator product
It puts either to be horizontally arranged and is merely able to be arranged vertically or tilt upwardly disposed problem.
5）After having added isolation leather bag in gas-liquid tank, the action frequency of actuator can improve 100% or more, gas-liquid every
Volume from tank can reduce 30%, and partial volume, which can reduce, reaches 50%.The size and weight of of gas-liquid sealing chamber itself can
To advanced optimize 30% or more.
Description of the drawings
Fig. 1 is the structural schematic diagram that gas-liquid isolated flexible is driven tank；
Fig. 2 is the structural schematic diagram that leather bag is isolated and is sealingly mounted on air inlet/outlet；
Fig. 3 is the structural schematic diagram that leather bag is isolated and is sealingly mounted on liquid in-out mouth；
Fig. 4 is the structural schematic diagram of rectilinear path gas-liquid linkage actuator；
Fig. 5 is the structural schematic diagram of angle stroke gas-liquid linkage actuator；
Fig. 6 is the structural schematic diagram of the seal assembly of connection isolation leather bag and jointing；
Fig. 7 is traditional gas-liquid linkage actuator principle schematic；
Fig. 8 is that gas-liquid sealing chamber is applied to gas-liquid linkage actuator principle schematic；
In figure, leather bag, 3- air inlet/outlets, 4- liquid in-out mouths, 5- jointings, 6- fins, 7- clips, 8- is isolated in 1- tank bodies, 2-
Pressure gauge, 9- sedimeters, 10- pressure regulator valves, 11- hydraulic cylinders, 12- cylinder bodies, 13- pistons, 14- cylinder seats, 15- pistons
Bar, 16- hydraulic oil channels, 17- actuators, 18- babinets, 19- shift forks, 20- shut-off valves.
Specific implementation mode
Below in conjunction with embodiment, technical scheme of the present invention is clearly and completely described, it is clear that described
Embodiment is only a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, this field
The every other embodiment that technical staff is obtained under the premise of not making the creative labor belongs to what the present invention protected
Range.
Refering to fig. 1-8, the present invention provides a kind of technical solution：
Embodiment one：
As depicted in figs. 1 and 2, a kind of gas-liquid sealing chamber based on Flexible Transmission, including tank body 1, isolation leather bag 2, setting are in institute
It states the air inlet/outlet 3 on 1 top of tank body and the liquid in-out mouth 4 in 1 bottom end of the tank body is set, the opening sealing peace of isolation leather bag 2
On the air inlet/outlet 3,1 inner cavity of tank body is isolated into air chamber and fluid chamber by isolation leather bag 2, and inside is air chamber, outside
Portion is fluid chamber.
Embodiment two：
As shown in figure 3, a kind of gas-liquid sealing chamber based on Flexible Transmission, including tank body 1, isolation leather bag 2, setting are in the tank body
The air inlet/outlet 3 on 1 top is sealingly mounted at institute with the liquid in-out mouth 4 in 1 bottom end of the tank body, the opening of isolation leather bag 2 is arranged
It states on liquid in-out mouth 4,1 inner cavity of tank body is isolated into air chamber and fluid chamber by isolation leather bag 2, and inside is fluid chamber, and outside is gas
Body cavity.Embodiment two is that the isolation installation site of air bag 2 is different from the difference of embodiment one, and the setting of remaining part is all identical
, as the effect of realization with role is also.
As a preferred embodiment, as shown in fig. 6, air inlet/outlet 3 and liquid in-out mouth 4 are equipped with jointing 5, jointing
Multiple fins 6 and clip 7 are provided on 5, clip is aerial to be connected between adjacent lugs, and the opening sealed clamping of leather bag 2 is isolated
Between fin 6 and clip 7.The opening portion of isolation leather bag 2 contacts fitting with fin, increases frictional force, and leather bag opening is not allowed
It is easily slid from connector, while the cooperation of clip 7 and fin 6 realizes that multiple linear sealing, sealing effect are good.Certainly such sealing connects
The structure connect do not limit to this one kind, can realize that the component of fixing seal effect is all feasible.
Embodiment three：
As shown in Figures 2 and 3,1 upper end of tank body also sets up the pressure gauge 8 for monitoring its internal pressure in real time and connection pneumatic control system
The interface of system.It is provided with sedimeter 9 at liquid in-out mouth 4 in tank body 1, for filtering the miscellaneous of liquid such as hydraulic oil
Matter is provided with pressure regulator valve 10 on 4 external pipe of liquid in-out mouth, for adjusting liquid（Hydraulic oil）Flow, to control pressure
The speed of release, it is ensured that elastic movement process and movement speed controllable precise.It is also provided with shut-off valve 20 on jointing 5, uses
In turning off or on gas-liquid sealing chamber at any time.
In general pressure volume pot is main energy storage device, is the main body of compressed gas storage；Bottom end hydraulic oil was both
Be high pressure gas closed isolation medium, be also work during power gas energy release, realize energy conversion driving medium；
The operation power of system capacity is derived from the high pressure compressible gas of hydraulic pressure oil overhold end spaces in closed container.
Gas-liquid linkage actuator makes full use of compressed gas and driving medium liquid in conjunction with the advantage of gas and liquid
Feature, according to the compressibility feature of gas, using the high pressure gas after gas compression as the external expansion work of elastic element.Profit
With hydraulic system liquid equipressure transfer principle, the pressure of compressed gas source is transmitted to by liquid as the output of driving medium equipressure
Executive component.
In gas-liquid linkage actuator practical work process, in extreme circumstances, such as the broken pipe of pipeline, pressure anomaly, periphery
Control circuit failure, after mechanical breakdown causes pipeline valve to completely close, the driving air source of gas-liquid linkage actuator can not close again
When disconnected, cause gas-liquid tank driving gas that cannot be vented, this can be such that valve operation in pass carries out always, and power gas source source is constantly into liquid of entering the GATT
Pressure oil tank pushes hydraulic pressure oil tank hydraulic oil to continue into the executive component being attached thereto such as hydraulic cylinder, in a high voltage state,
Hydraulic cylinder interior sealing mouth leaks, and hydraulic oil is assembled to hydraulic pressure oil tank, until being overflowed beyond oil tank level, it is logical to overflow hydraulic oil
Be connected with hydraulic pressure oil tank pilot valve and bleed outlet discharge are crossed, fuel injection event occurs, after in-oil cylinder hydraulic oil has sprayed, that is, occurs
Venting event, simultaneously as high pressure compressed gas can continued compression hydraulic oil, oil gas do not detach, and oil gas can emulsify, and gas can be with
Oil discharge forms mist of oil phenomenon, and oil can also be discharged with gas.
As shown in Figure 1, being added in tank body 1 after isolation leather bag 2, even there is above-mentioned extreme case, due to tank
Interior isolation leather bag is completely isolated by gas-liquid, will not make the liquid in fluid chamber（Oil）Into in air chamber and from air chamber
In leak, will not so that gas is with liquid in air chamber（Oil）It leaks, since isolation leather bag 2 can be shunk, gas-liquid
Adjustable space in sealing chamber is more abundant, can buffer high pressure gas and be driven the pressure to come to liquid, can thus keep away
Exempt from the appearance for the problems such as oil spout is few oily, and oil gas can emulsify.
Example IV：
As shown in figure 4, a kind of gas-liquid linkage actuator, including rectilinear path actuator, hydraulic cylinder 11 and two gas-liquid isolation
Tank；Hydraulic cylinder 11 is connected with pressure regulator valve 10 by hydraulic oil channel 16, and hydraulic cylinder 11 includes cylinder body 12, piston 13, cylinder seat
14 and piston rod 15, liquid in-out mouth 4 be connected to hydraulic cylinder 11 by jointing 5 and hydraulic oil channel 16, the piston 13
Cylinder body 12 is isolated into the first cylinder body and the second cylinder body, the liquid in-out mouth 4 of one of gas-liquid sealing chamber passes through hydraulic oil channel
16 are connected to the first cylinder body, and the liquid in-out mouth 4 of another gas-liquid sealing chamber is connected to by hydraulic oil channel 16 with the second cylinder body, institute
The end cap that piston rod 15 is stated across the cylinder body links with actuator input shaft rectilinear path.
When right side gas-liquid sealing chamber increases air pressure, isolation leather bag 2 expands in the sealing chamber on right side, liquid in the sealing chamber of right side
Pressure oil is extruded, oil inlet in the cylinder body of hydraulic oil cylinder on right side, while left side gas-liquid sealing chamber air pressure reduces, in the sealing chamber of left side every
It is shunk from leather bag 2, the hydraulic oil in the cylinder body of hydraulic oil cylinder in left side is squeezed into the gas-liquid sealing chamber of left side, the work in hydraulic cylinder 11
13 promotion piston rod 15 of plug moves downward.
When left side gas-liquid sealing chamber increases air pressure, isolation leather bag 2 expands in the sealing chamber in left side, liquid in the sealing chamber of left side
Pressure oil is extruded, oil inlet in the cylinder body of hydraulic oil cylinder in left side, while right side gas-liquid sealing chamber air pressure reduces, in the sealing chamber of right side every
It is shunk from leather bag 2, the hydraulic oil in the cylinder body of hydraulic oil cylinder on right side is squeezed into the gas-liquid sealing chamber of right side, the work in hydraulic cylinder 11
13 promotion piston rod 15 of plug moves right.
The pressure of compressed gas source is passed through liquid by the high pressure gas after gas compression as the external expansion work of elastic element
While being transmitted to executive component as the output of driving medium equipressure, since gas-liquid is to be entirely isolated, actuator can not possibly again
There is oil spout, few oil, oil starvation, working gas with series of events such as fluid discharges.This structure is set in gas-liquid sealing chamber
Leather bag is isolated, it is relatively simple for structure, but the advantageous effect brought is really various, after working gas and hydraulic oil isolation,
Stability, cleanliness factor and the antipollution of hydraulic oil, which are obtained for, significantly to be promoted, while solving gas-liquid linkage actuator
Product gas-liquid tank during design, layout, installation, use, packaging, transport etc. completely horizontal cannot be put or level is put
It sets, is merely able to be arranged vertically or tilt upwardly disposed problem.
Embodiment five：
As shown in figure 5, a kind of gas-liquid linkage actuator is angle stroke actuator, 11 liang of hydraulic cylinder compared with example IV
Side is mounted with that a gas-liquid sealing chamber, hydraulic cylinder 11 are mounted on by cylinder seat 14 on the babinet 18 of actuator 17 respectively, hydraulic pressure
The piston rod 15 of oil cylinder 11 links with the shift fork 19 of actuator 17.
This embodiment is similar with the operation principle of example IV, and the technique effect reached is consistent.
As shown in figure 8, being applied to angle stroke gas-liquid linkage actuator for gas-liquid sealing chamber, fork case is equipped with valve position Hui Xun
Device, the right connect hydraulic executer, and the cylinder body left and right ends of the hydraulic executer are separately connected gas-liquid sealing chamber, gas-liquid isolation
Isolation leather bag is installed at the top air inlet/outlet of tank, is isolated in leather bag and is filled with gas, the disengaging of above-mentioned two gas-liquid sealing chamber
Gas port is connect with atmospheric control respectively；Fig. 7 is traditional angle stroke gas-liquid linkage actuator, the present embodiment and traditional angle
The control principle of stroke gas-liquid linkage actuator difference lies in：Isolation leather bag, operating mode 1 are installed in gas-liquid tank：Pneumatic control
Canister incoming gas is isolated in system control right side gas-liquid, and isolation leather bag expansion compression fluid makes piston right end oil pressure increase, while left side
Gas-liquid sealing chamber is vented, and isolation leather bag is shunk, and the reduction of piston left end oil pressure, the piston of hydraulic cylinder is made to push piston rod to the left
Side moves, and piston rod pushes shift fork to open valve.Operating mode 2：Canister incoming gas, isolation is isolated in atmospheric control control left side gas-liquid
Leather bag expansion compression fluid, makes piston left end oil pressure increase, and the piston of hydraulic cylinder pushes piston rod to do retracting motion to the right,
Piston rod drives fork reverse activity to close valve.
High pressure gas in above five embodiments can be nitrogen or other licenses, can discharge gas, storage
In closed spherical gas chamber, liquid can be fluid or other liquid, and the pressure of nitrogen changes with the size of external applied load, adds
On used flexible isolation leather bag so that gas-liquid sealing chamber have variation rigidity characteristic, while rise hydraulic shock absorber work
With more obvious.Isolation leather bag in example IV and embodiment five can be equally arranged at liquid in-out mouth.
Certainly the present invention can not only apply to gas-liquid linkage actuator field, in Oil ＆ Gas Storage, petroleum gas, change
Other industrial circles of the widely used air-liquid transmission such as work, metallurgy, the device are used as transmission, output-controlling device.More than
Structure is the specific implementation mode of angle stroke hydraulic actuator based on described, to the purpose of the present invention, technical solution and is had
Beneficial effect has been further described.Actually in only oil cylinder piston axis（Remove shift fork case,）Export lineal travel or
Direct Travel actuator equally adapts to.
The above is only a preferred embodiment of the present invention, it should be understood that the present invention is not limited to described herein
Form is not to be taken as excluding other embodiments, and can be used for other combinations, modifications, and environments, and can be at this
In the text contemplated scope, modifications can be made through the above teachings or related fields of technology or knowledge.And those skilled in the art institute into
Capable modifications and changes do not depart from the spirit and scope of the present invention, then all should be in the protection domain of appended claims of the present invention
It is interior.
Claims (6)
1. a kind of gas-liquid sealing chamber based on Flexible Transmission, which is characterized in that including tank body（1）, isolation leather bag（2）, setting exist
The tank body（1）The air inlet/outlet on top（3）With setting in the tank body（1）The liquid in-out mouth of bottom end（4）, the isolation leather bag
（2）Opening be sealingly mounted at the air inlet/outlet（3）On, leather bag is isolated（2）By tank body（1）Inner cavity is isolated into air chamber and liquid
Body cavity, inside are air chamber, and outside is fluid chamber；
Alternatively, the isolation leather bag（2）Opening be sealingly mounted at the liquid in-out mouth（4）On, leather bag is isolated（2）By tank body
（1）Inner cavity is isolated into air chamber and fluid chamber, and inside is fluid chamber, and outside is air chamber.
2. a kind of gas-liquid sealing chamber based on Flexible Transmission according to claim 1, which is characterized in that described into outlet
Mouthful（3）With liquid in-out mouth（4）It is equipped with jointing（5）, the isolation leather bag（2）Pass through seal assembly and the jointing
（5）It is connected.
3. a kind of gas-liquid sealing chamber based on Flexible Transmission according to claim 2, which is characterized in that the seal assembly
Including being arranged in the jointing（5）On multiple fins（6）And clip（7）, clip（7）It is aerial to be connected in adjacent lugs
（6）Between, the isolation leather bag（2）Opening sealed clamping in fin（6）With clip（7）Between.
4. a kind of gas-liquid sealing chamber based on Flexible Transmission according to claim 1, which is characterized in that the tank body（1）
Top be additionally provided with the pressure gauge for monitoring its internal pressure in real time（8）.
5. a kind of gas-liquid sealing chamber based on Flexible Transmission according to claim 1, it is characterised in that：The tank body
（1）Interior liquid in-out mouth（4）Place is provided with sedimeter（9）, liquid in-out mouth（4）Pressure regulator valve is provided on external pipe
（10）.
6. application of the gas-liquid sealing chamber according to any one of claims 1-5 in gas-liquid linkage actuator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810421684.0A CN108533538A (en) | 2018-05-04 | 2018-05-04 | A kind of gas-liquid sealing chamber based on Flexible Transmission and the application in gas-liquid linkage actuator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810421684.0A CN108533538A (en) | 2018-05-04 | 2018-05-04 | A kind of gas-liquid sealing chamber based on Flexible Transmission and the application in gas-liquid linkage actuator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108533538A true CN108533538A (en) | 2018-09-14 |
Family
ID=63476655
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|---|---|---|---|
| CN201810421684.0A Pending CN108533538A (en) | 2018-05-04 | 2018-05-04 | A kind of gas-liquid sealing chamber based on Flexible Transmission and the application in gas-liquid linkage actuator |
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| CN208123132U (en) * | 2018-05-04 | 2018-11-20 | 成都迈可森流体控制设备有限公司 | A kind of gas-liquid sealing chamber and gas-liquid linkage actuator based on Flexible Transmission |
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2018
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2481934Y (en) * | 2001-05-22 | 2002-03-13 | 王文才 | Stop valve gas-liquid linkage for main pipeline of long distance pipeline |
| CN201241344Y (en) * | 2008-08-05 | 2009-05-20 | 中国京冶工程技术有限公司 | Controllable capsule type expansion device |
| CN102086891A (en) * | 2011-03-17 | 2011-06-08 | 严啸伟 | Bag type energy accumulator |
| CN103133434A (en) * | 2013-02-26 | 2013-06-05 | 王文雯 | Energy storage type energy-saving hydraulic pumping unit |
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