CN105003472B - Gas-liquid pressure cylinder - Google Patents

Gas-liquid pressure cylinder Download PDF

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Publication number
CN105003472B
CN105003472B CN201510301898.0A CN201510301898A CN105003472B CN 105003472 B CN105003472 B CN 105003472B CN 201510301898 A CN201510301898 A CN 201510301898A CN 105003472 B CN105003472 B CN 105003472B
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CN
China
Prior art keywords
cylinder
working
cover
piston
inlet channel
Prior art date
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CN201510301898.0A
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Chinese (zh)
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CN105003472A (en
Inventor
王成刚
张博
喻九阳
盖超会
刘俊
晏芙蓉
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武汉工程大学
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Application filed by 武汉工程大学 filed Critical 武汉工程大学
Priority to CN201510301898.0A priority Critical patent/CN105003472B/en
Publication of CN105003472A publication Critical patent/CN105003472A/en
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Publication of CN105003472B publication Critical patent/CN105003472B/en

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B3/00Intensifiers or fluid-pressure converters, e.g. pressure exchangers; Conveying pressure from one fluid system to another, without contact between the fluids
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B15/00Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
    • F15B15/08Characterised by the construction of the motor unit
    • F15B15/14Characterised by the construction of the motor unit of the straight-cylinder type
    • F15B15/1409Characterised by the construction of the motor unit of the straight-cylinder type with two or more independently movable working pistons

Abstract

The invention relates to a gas-liquid pressure cylinder. The gas-liquid pressure cylinder comprises a front end cover, a working cylinder body, a hydraulic cylinder body, a middle gas-liquid cylinder conversion cover, an air cylinder body and a rear end cover which are all sequentially connected. A pressurizing piston and a gas-liquid sealing block are arranged in the air cylinder body. The pressurizing piston is provided with a pressurizing rod. The pressurizing rod penetrates the gas-liquid sealing block and is sleeved with a reset spring. A working piston is arranged in the working cylinder body, working rods are arranged on the two sides of the working piston, the working rod on one side is in fit with a through hole on the hydraulic cylinder body, and the working rod on the other side penetrates the front end cover. A rapid air inlet channel with an outlet facing the working piston is arranged on the hydraulic cylinder body, a middle cover is arranged in the middle of the working cylinder body, a circle of step is arranged on each working rod, and when the working rods move and pass through a certain position, the steps and the middle cover are in seal fit; a gas channel is formed in the middle cover and internally provided with a one-way valve. The gas-liquid pressure cylinder is high in return speed, fast and stable in pre-pressing operation and capable of easily resetting the pressurizing piston.

Description

A kind of solution-air pressurized cylinder

Technical field

The present invention relates to a kind of solution-air pressurized cylinder.

Background technology

Solution-air pressurized cylinder is widely used in pressing equipment etc. to be needed compared with the occasion of high thrust, the work of solution-air pressurized cylinder Process is generally precompressed, supercharging and backhaul, and because the structure of airdraulic actuator is limited, existing solution-air pressurized cylinder generally there are following Problem:1)Using liquid-driving backhaul, backhaul is slower;2)By gas pushed liquid precompressed, pre-compaction process is cumbersome, efficiency compared with It is low;3)Charged piston resets complicated.

Simultaneously as the universal urgent needss of factory improve pressurized cylinder work efficiency and blindly increase work bleed pressure, this Sample can make cylinder inner seal ring bear excessive loads, easily occur oil leak, working piston bar after long-term work and get the failure such as powerless Problem, substantially reduces the service life of whole pressurized cylinder, is that potential safety hazard is buried in normal production.

The content of the invention

Problem to be solved by this invention is to provide a kind of solution-air pressurized cylinder, the pressurized cylinder simple structure, operation letter Single, opening speed is fast, and precompressed is fast and stable, and charged piston resets simple.

The technical solution adopted in the present invention is:

A kind of solution-air pressurized cylinder, including the drive end bearing bracket, working cylinder cylinder body, hydraulic cylinder body, the solution-air that are tightly connected successively Cylinder conversion middle cover, cylinder block and rear end cap, the working cylinder cylinder body, hydraulic cylinder body, airdraulic actuator conversion middle cover and cylinder cylinder The two ends of body are open, and the rear end cap is provided with the super charge passage connected with cylinder block, and increasing is provided with cylinder block Pressure piston it is gentle-liquid sealing block, charged piston by rear end cap side wall it is spacing, solution-air sealing block changes middle cover by airdraulic actuator Side wall is spacing, and the side of charged piston is provided with booster rod, be pressurized rod seal through solution-air sealing block, two are cased with booster rod The back-moving spring for holding gentle with charged piston all the time-liquid sealing block to contact, covers in airdraulic actuator conversion and is provided with and booster rod cooperation Through hole and feed pathway, be provided with working piston in the working cylinder cylinder body, working piston is limited by hydraulic cylinder side wall Position, the both sides of working piston are equipped with working beam, and the working beam of side and the through hole sealing of hydraulic cylinder body coordinate, opposite side Work rod seal through drive end bearing bracket, hydraulic cylinder body is provided with quick inlet channel, and the outlet of quick inlet channel is located at liquid Cylinder pressure cylinder side wall simultaneously points to working piston, and drive end bearing bracket is provided with the backhaul inlet channel connected with working cylinder cylinder body.

As a further improvement on the present invention, working cylinder cylinder body middle part is provided with middle cover, middle cover inwall and working beam it Between there is gap, the working beam outer wall is provided with a circle step, and when working beam is moved through a certain position, step is close with middle cover Envelope coordinates, in cover and be provided with venting channels, the both ends open of venting channels is respectively provided at the both sides of middle cover, is provided with venting channels Check valve, in venting channels, gas can be from the opening of the close drive end bearing bracket of opening flow direction near rear end cap, reversely cut-off.

As a further improvement on the present invention, the import of the feed pathway is located at the outer wall that airdraulic actuator changes middle cover, goes out Mouth is respectively provided on two side walls of airdraulic actuator conversion middle cover, and check valve, in feed pathway, liquid are provided with feed pathway Can be from the outlet near the close drive end bearing bracket side of side outlet flow direction near rear end cap, reversely cut-off.

As a further improvement on the present invention, the working piston is provided near the end face of the working beam of rear end cap side Cavity, the cavity is just to booster rod, the booster rod protracted during for accommodating supercharging.

As a further improvement on the present invention, the working piston includes piston rod and rubber cushion, and the piston rod is provided with Flange and step, the both sides of piston rod upper flange respectively form a working beam, and the both sides of piston rod upper flange are cased with respectively and work Make the rubber cushion of cylinder cylinder body cooperation, the rubber cushion near drive end bearing bracket is positioned by step.

As a further improvement on the present invention, the solution-air pressurized cylinder is provided with including two-position five-way valve and two-position three way The air-channel system of valve, three interfaces of the two-position five-way valve by pipeline respectively with backhaul inlet channel, quick inlet channel And source of the gas connection, remaining interface of two-position five-way valve and atmosphere, the two-position five-way valve has two kinds of seats in the plane, and one kind is gas Source connects and quick inlet channel and atmosphere with backhaul inlet channel, and another kind is that source of the gas is connected with quick inlet channel And backhaul inlet channel and atmosphere;The interface of the two position three-way valve by pipeline respectively with quick inlet channel, increasing Pressure inlet channel and atmosphere, the two position three-way valve has two kinds of seats in the plane, and one kind is quick inlet channel and super charge Channel connection, another kind is super charge passage and atmosphere, and backhaul inlet channel and quick inlet channel pass through pipeline It is connected with the control end of two position three-way valve respectively.

As a further improvement on the present invention, the pipeline that the backhaul inlet channel is connected with the control end of two position three-way valve It is provided with one-way throttle valve.

The invention has the beneficial effects as follows:

1. when working beam needs backhaul, source of the gas to backhaul inlet channel inflates the piston quick return that pushes the work forward, and increases Work efficiency;Because quick inlet channel is located at the side wall of hydraulic cylinder body, the inwall of hydraulic cylinder body is close by working beam Envelope, so when quick inlet channel is inflated, source of the gas can push directly on working piston extension until contacting workpiece to be processed, together When, in the presence of back-moving spring, hydraulic cylinder body changes the liquid in middle cover and has certain pressure, pressure fluid with solution-air Body persistently keeps pressure with working beam extension, and the precompressed mode of the present invention was not only quick but also steady;In pressurization, be pressurized into Gas channel inlet simultaneously promotes charged piston, and charged piston drives booster rod to travel forward, in the case of uniform pressure, sectional area The pressure that is several times as much as charged piston is obtained on less booster rod and is smoothly pushed the work forward bar by promoting highly pressurised liquid, from And pressurized effect is reached, meanwhile, back-moving spring has the effect for making charged piston reset.Present configuration is simple, easy to operate, Opening speed is fast, and precompressed is quick and steady, and supercharging is rapid, efficiency high.

2. when the step sealing on middle cover and working beam coordinates, the both sides of working cylinder cylinder interior middle cover are mutually isolated, Now, in the presence of check valve, gas can only be from the side that close drive end bearing bracket is entered near the side of rear end cap, if now entering During row backhaul operation, the step movement that gas can only push the work forward on bar is just started, until step exits middle cover, middle cover two stresses New UNICOM, because gas and working piston contact area moment expand so that working beam impacts backhaul, its opening speed and work Efficiency is far above existing blow cylinder.Step is arranged on working beam can not only have been played effective sealing function but also can protect workpiece, Prevent the damage caused to workpiece because of working beam quick return.

3. when booster rod opening speed is too fast, negative pressure can be produced in hydraulic cylinder and solution-air conversion middle cover and sealing is damaged Circle, long this easily causes leakage or working beam gets powerless problem, and setting check valve is covered in solution-air conversion, and fluid is only Can be from the side flow direction near rear end cap near the side of drive end bearing bracket, when booster rod quick return, in former hydraulic cylinder body Pressure will be strongly reduced, and be changed after fluid pressure is identical between middle cover and solution-air sealing block with solution-air and will be subtracted when pressure is reduced to Little formation negative pressure, liquid can flow to pressure and strongly reduce place by check valve, it is therefore prevented that the formation of negative pressure.

4. by the control valve groups such as two-position five-way valve and two position three-way valve into air-channel system, simple structure is easy to operate, The pressurization after quick return, precompressed and precompressed can be completed, bypass pressure is excessive to be made one-way throttle valve for preventing Into device damage.

Description of the drawings

Fig. 1 is the structural representation of the present invention.

Fig. 2 is the gas circuit simplification figure of the present invention.

The view containing unidirectional valve portion is covered during Fig. 3 is of the invention.

Fig. 4 is to cover the view containing unidirectional valve portion during the solution-air of the present invention is converted.

In figure:1- rear end caps;2- super charge passages;3- charged pistons;4- back-moving springs;5- cylinder blocks;6- is pressurized Bar;7- solution-air sealing blocks;8- airdraulic actuators change middle cover;9- feed pathways;10- hydraulic cylinder bodies;11- working beams;12- is quick Inlet channel;13- rubber cushions;14- working pistons;15- steps;16- working cylinder cylinder bodies;17- venting channels;18- middle covers;Before 19- End cap;20- backhaul inlet channels;21- check valves;22- two-position five-way valves;23- one-way throttle valves;24- two position three-way valves.

Specific embodiment

With reference to the accompanying drawings and examples the present invention is further illustrated.

As shown in figure 1, a kind of solution-air pressurized cylinder, including the drive end bearing bracket 19, working cylinder cylinder body 16, liquid that are tightly connected successively Cylinder pressure cylinder body 10, airdraulic actuator conversion middle cover 8, cylinder block 5 and rear end cap 1, the working cylinder cylinder body 16, hydraulic cylinder body 10, Airdraulic actuator changes middle cover 8 and the two ends of cylinder block 5 are open, and the rear end cap 1 is provided with the increasing connected with cylinder block 5 Pressure inlet channel 2, be provided with cylinder block 5 charged piston 3 it is gentle-liquid sealing block 7, charged piston 3 is by the side wall limit of rear end cap 1 Position, solution-air sealing block 7 is spacing by the airdraulic actuator conversion side wall of middle cover 8, and the side of charged piston 3 is provided with booster rod 6, booster rod 6 sealings through solution-air sealing block 7, be cased with booster rod 6 two ends it is gentle with charged piston 3 all the time-liquid sealing block 7 contacts Back-moving spring 4, airdraulic actuator conversion middle cover 8 is provided with the through hole and feed pathway 9 coordinated with booster rod 6, the working cylinder cylinder Working piston 14 is provided with body 16, working piston 14 is spacing by the side wall of hydraulic cylinder body 10, and the both sides of working piston 14 are all provided with There is working beam 11, the working beam 11 of side is sealed with the working beam 11 of the through hole sealing cooperation of hydraulic cylinder body 10, opposite side Through drive end bearing bracket 19, hydraulic cylinder body 10 is provided with quick inlet channel 12, and the outlet of quick inlet channel 12 is located at hydraulic cylinder The side wall of cylinder body 10 simultaneously points to working piston 14, and drive end bearing bracket 19 is provided with the backhaul inlet channel 20 connected with working cylinder cylinder body 16.

When working beam 11 needs backhaul, source of the gas is inflated to backhaul inlet channel 20 and the piston 14 that pushes the work forward quickly is returned Journey, increased work efficiency;Because quick inlet channel 12 is located at the side wall of hydraulic cylinder body 10, the inwall of hydraulic cylinder body 10 Sealed by working beam 11, so when quick inlet channel 12 is inflated, source of the gas can be pushed directly on and stretched before working piston 14 To contact workpiece to be processed, meanwhile, in the presence of back-moving spring 4, hydraulic cylinder body 10 changes the liquid in middle cover 18 with solution-air Body has certain pressure, and pressure fluid protracts the pressure that persistently keep with working beam 11, and the precompressed mode of the present invention was both quick It is again steady;In pressurization, the air inlet of super charge passage 2 simultaneously promotes charged piston 3, and charged piston 3 drives booster rod 6 forward Motion, in the case of uniform pressure, obtains the pressure of several times and charged piston 3 and leads on the less booster rod 6 of sectional area Cross promotion highly pressurised liquid smoothly to push the work forward bar 11, so as to reach pressurized effect, meanwhile, back-moving spring 4 has makes supercharging live The effect that plug 3 resets.Present configuration is simple, easy to operate, and opening speed is fast, and precompressed is quick and steady, and supercharging is rapid, efficiency It is high.

As shown in figure 1, in the present embodiment, end face of the working piston 14 near the working beam 11 of the side of rear end cap 1 Cavity is provided with, the cavity is just to booster rod 6, the booster rod 6 protracted during for accommodating supercharging;The working piston 14 includes Piston rod and rubber cushion 13, the piston rod is provided with flange and step 15, and the both sides of piston rod upper flange respectively form a job Bar 11, the both sides of piston rod upper flange are cased with respectively the rubber cushion 13 coordinated with working cylinder cylinder body 16, near the rubber cushion of drive end bearing bracket 19 13 are positioned by step 15.

The air-channel system of the present invention mainly completes the pressurization after quick return, precompressed and precompressed, its combination Form can have many kinds, and a kind of following embodiment is given now:

As shown in Fig. 2 the air-channel system includes two-position five-way valve 22 and two position three-way valve 24, the two-position five-way valve 22 Three interfaces connected with backhaul inlet channel 20, quick inlet channel 12 and source of the gas respectively by pipeline, two-position five-way valve 22 remaining interface and atmosphere, the two-position five-way valve 22 has two kinds of seats in the plane, and one kind is source of the gas and backhaul inlet channel 20 Connection and quick inlet channel 12 and atmosphere, another kind is that source of the gas is connected and backhaul air inlet with quick inlet channel 12 Passage 20 and atmosphere;The interface of the two position three-way valve 24 by pipeline respectively with quick inlet channel 12, super charge Passage 2 and atmosphere, the two position three-way valve 24 has two kinds of seats in the plane, and one kind is that quick inlet channel 12 leads to super charge Road 2 is connected, and another kind is super charge passage 2 and atmosphere, and backhaul inlet channel 20 and quick inlet channel 12 pass through Pipeline is connected respectively with the control end of two position three-way valve 24, and the backhaul inlet channel 20 connects with the control end of two position three-way valve 24 The pipeline for connecing is provided with one-way throttle valve 23(For preventing the excessive device damage for causing of bypass pressure).

The present invention job step be:

1)Prepare stroke:The seat in the plane of two-position five-way valve 22 is that source of the gas is connected with backhaul inlet channel 20 and quick air inlet is led to Road 12 and atmosphere, source gas enter backhaul inlet channel 20 by the way that two-position five-way valve 22 is logical, and working piston 14 is stablized In initial position.Simultaneously the gas in backhaul inlet channel 20 is bypassed to the control end of two position three-way valve 24, makes supercharging Inlet channel 2 and atmosphere.

2)F.F. stroke:The seat in the plane of two-position five-way valve 22 is that source of the gas is connected with quick inlet channel 12 and backhaul air inlet is logical Road 20 and atmosphere, source gas push the work forward piston 14 up to the contact parts to be processed of working beam 11, while quick air inlet Gas in passage 12 reaches the interface and control end of two position three-way valve 24 by pipeline.

3)Reinforcement stroke;Working beam 11 is touched after processing part, and the internal volume of working cylinder cylinder body 16 is constant, and air pressure inside is very Level off to source of the gas air pressure soon, the now switching of two position three-way valve 24 seat in the plane, quick inlet channel 12 is connected with super charge passage 2, Gas in quick inlet channel 12 enters super charge passage 2, and charged piston 3 is pushed to reach the purpose of supercharging.

4)Backstroke:Super charge passage 2 and atmosphere, source of the gas is connected with backhaul inlet channel 20 and quickly entered Gas passage 12 and atmosphere, source gas are entered from backhaul inlet channel 20 makes work plug work bar return to initial position, resets Spring 4 makes charged piston 3 return initial position.

As shown in figures 1 and 3, the middle part of the working cylinder cylinder body 16 is provided with middle cover 18, the inwall of middle cover 18 and working beam 11 it Between there is gap, the outer wall of the working beam 11 is provided with a circle step 15, when working beam 11 is moved through a certain position, step 15 Coordinate with the sealing of middle cover 18, middle cover 18 is provided with venting channels 17, and the both ends open of venting channels 17 is respectively provided at middle cover 18 Check valve 21 is provided with both sides, venting channels 17, in venting channels 17, gas can be flowed to from the opening B near rear end cap 1 Near the opening A of drive end bearing bracket 19, reversely cut-off.

When the sealing of step 15 on middle cover 18 and working beam 11 coordinates, the both sides phase of the inside middle cover 18 of working cylinder cylinder body 16 Mutually isolation, now, in the presence of check valve 21, gas can only be entered near drive end bearing bracket 19 from the side B near rear end cap 1 Side A, if now carry out backhaul operation, the step 15 that just having started gas can only push the work forward on bar 11 is moved, until step 15 exit middle cover 18, the both sides of middle cover 18 UNICOM again, and gas could promote whole working piston 14, when gas only promotes step 15 Until during 18 two ends UNICOM of middle cover, because gas and the contact area moment of working piston 14 expand so that working beam 11 impacts back Journey, opening speed is faster.Step 15 is arranged on working beam 11 can not only have been played effective sealing function but also can protect workpiece, be prevented Workpiece is caused damage because of the quick return of working beam 11.As shown in Figure 1 and Figure 4, the import E of the feed pathway 9 is located at Airdraulic actuator changes the outer wall of middle cover 8, and outlet is respectively provided on two side walls of airdraulic actuator conversion middle cover 8, sets in feed pathway 9 There is check valve 21, in feed pathway 9, liquid can be from the outlet D flow directions near the side of rear end cap 1 near the one of drive end bearing bracket 19 Side outlet C, reversely cut-off.

When the opening speed of booster rod 6 is too fast, negative pressure can be produced in hydraulic cylinder and solution-air conversion middle cover 18 and sealing is damaged Circle, long this easily causes leakage or working beam 11 gets powerless problem, and on solution-air conversion middle cover 18 check valve 21 is arranged, Fluid can only be from the side C of the close drive end bearing bracket 19 of side D flow directions near rear end cap 1, when booster rod 6 and solution-air change middle cover When 18 through hole sealing coordinates, hydraulically full closed chamber is formed between solution-air sealing block 7 and solution-air conversion middle cover 18, this When, when 6 quick return of booster rod, the internal liquid pressure of former hydraulic cylinder body 10 will be strongly reduced, when be reduced to pressure and gas- Liquid is changed after fluid pressure is identical between middle cover 18 and solution-air sealing block 7 will be reduced to form negative pressure, and liquid can pass through check valve stream Place is strongly reduced to pressure, it is therefore prevented that the formation of negative pressure.

It should be appreciated that for those of ordinary skills, can according to the above description be improved or be converted, And all these modifications and variations should all belong to the protection domain of claims of the present invention.

Claims (6)

1. a kind of solution-air pressurized cylinder, it is characterised in that:Including the drive end bearing bracket, working cylinder cylinder body, the hydraulic cylinder that are tightly connected successively Body, airdraulic actuator conversion middle cover, cylinder block and rear end cap, the working cylinder cylinder body, hydraulic cylinder body, airdraulic actuator conversion middle cover It is open with the two ends of cylinder block, the rear end cap is provided with the super charge passage connected with cylinder block, cylinder block Inside be provided with charged piston it is gentle-liquid sealing block, charged piston by rear end cap side wall it is spacing, solution-air sealing block pass through airdraulic actuator Conversion middle cover side wall is spacing, and the side of charged piston is provided with booster rod, be pressurized rod seal through solution-air sealing block, booster rod On be cased with two ends it is gentle with charged piston all the time-back-moving spring that contacts of liquid sealing block, cover in airdraulic actuator conversion and be provided with and increasing Through hole and feed pathway that depression bar coordinates, are provided with working piston in the working cylinder cylinder body, working piston passes through hydraulic cylinder Body sidewall is spacing, and the both sides of working piston are equipped with working beam, the working beam of side and the through hole sealing of hydraulic cylinder body coordinate, The work rod seal of opposite side through drive end bearing bracket, hydraulic cylinder body is provided with quick inlet channel, and quick inlet channel goes out Mouth is located at hydraulic cylinder side wall and points to working piston, and drive end bearing bracket is provided with the backhaul air inlet connected with working cylinder cylinder body and leads to Road;The working cylinder cylinder body middle part is provided with middle cover, there is gap between middle cover inwall and working beam, sets on the working beam outer wall Have a circle step, when working beam is moved through a certain position, step coordinates with middle cover seal, in cover and be provided with venting channels, lead to The both ends open of gas passage is respectively provided at the both sides of middle cover, and check valve is provided with venting channels, and in venting channels, gas can be with From the opening of the close drive end bearing bracket of opening flow direction near rear end cap, reversely cut-off.
2. a kind of solution-air pressurized cylinder as claimed in claim 1, it is characterised in that:The import of the feed pathway is located at solution-air Cylinder changes the outer wall of middle cover, and outlet is respectively provided on two side walls of airdraulic actuator conversion middle cover, is provided with unidirectional in feed pathway Valve, in feed pathway, liquid can flow to the outlet of close drive end bearing bracket side from the side outlet near close rear end cap, instead To cut-off.
3. a kind of solution-air pressurized cylinder as claimed in claim 1, it is characterised in that:The working piston is near rear end cap side The end face of working beam be provided with cavity, the cavity is just to booster rod, the booster rod protracted during for accommodating supercharging.
4. a kind of solution-air pressurized cylinder as claimed in claim 1, it is characterised in that:The working piston includes piston rod and glue Pad, the piston rod is provided with flange and step, and the both sides of piston rod upper flange respectively form a working beam, piston rod upper flange Both sides be cased with respectively with working cylinder cylinder body coordinate rubber cushion, near drive end bearing bracket rubber cushion by step position.
5. a kind of solution-air pressurized cylinder as claimed in claim 1, it is characterised in that:The solution-air pressurized cylinder is provided with including two The air-channel system of position five-way valve and two position three-way valve, three interfaces of the two-position five-way valve by pipeline respectively with backhaul air inlet The connection of passage, quick inlet channel and source of the gas, remaining interface of two-position five-way valve and atmosphere, the two-position five-way valve has Two kinds of seats in the plane, one kind is that source of the gas is connected and quick inlet channel and atmosphere with backhaul inlet channel, and another kind is source of the gas Connect with quick inlet channel and backhaul inlet channel and atmosphere;The interface of the two position three-way valve is distinguished by pipeline With quick inlet channel, super charge passage and atmosphere, the two position three-way valve has two kinds of seats in the plane, and one kind is quickly to enter Gas passage and super charge channel connection, another kind is super charge passage and atmosphere, backhaul inlet channel and quick Inlet channel is connected respectively by pipeline with the control end of two position three-way valve.
6. a kind of solution-air pressurized cylinder as claimed in claim 5, it is characterised in that:The backhaul inlet channel and two-position three way The pipeline of the control end connection of valve is provided with one-way throttle valve.
CN201510301898.0A 2015-06-05 2015-06-05 Gas-liquid pressure cylinder CN105003472B (en)

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Application Number Priority Date Filing Date Title
CN201510301898.0A CN105003472B (en) 2015-06-05 2015-06-05 Gas-liquid pressure cylinder

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Application Number Priority Date Filing Date Title
CN201510301898.0A CN105003472B (en) 2015-06-05 2015-06-05 Gas-liquid pressure cylinder

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CN105003472B true CN105003472B (en) 2017-05-03

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Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105443459A (en) * 2015-12-27 2016-03-30 天津尚吉液压设备有限公司 Automatic adjusting gas-liquid pressure cylinder
CN105570207B (en) * 2016-03-14 2017-06-06 匡信机械(昆山)有限公司 A kind of continous way multi-stage booster method and its supercharging cylinder structure
CN105736773A (en) * 2016-04-20 2016-07-06 正洲泵阀制造有限公司 Slow closing control device of check valve
CN105952698B (en) * 2016-06-17 2019-07-30 武汉软件工程职业学院 A kind of solution-air pressurized cylinder
CN106499695B (en) * 2016-12-26 2018-05-08 上海豪高机电科技有限公司 Hydraulic cylinder
CN108621460A (en) * 2017-03-15 2018-10-09 精工电子有限公司 The process for stamping of cylinder assembly, decompressor, work holder, the working method of cylinder assembly, the clamp method of workpiece and workpiece
CN107387469A (en) * 2017-07-14 2017-11-24 太仓优捷特机械有限公司 A kind of improved gas-liquid pressure-boosting cylinder structure
CN108071730B (en) * 2017-08-24 2020-10-13 深圳市罗伯医疗科技有限公司 Active and passive damper

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Publication number Priority date Publication date Assignee Title
DE3828699A1 (en) * 1988-08-24 1990-03-01 Eugen Rapp Method for filling oil of a hydro-pneumatic pressure translator and device for implementing the method
WO1993015323A1 (en) * 1992-02-01 1993-08-05 Malina, Viktor High-pressure hydraulic unit
DE4301983A1 (en) * 1992-02-01 1993-09-23 Tox Pressotechnik Gmbh
DE4445011A1 (en) * 1994-12-16 1996-06-20 Tox Pressotechnik Gmbh Hydraulic pressure intensifier
CN2743588Y (en) * 2004-10-25 2005-11-30 蔡英泳 Gas liquid force increasing cylinder
KR101331764B1 (en) * 2011-10-21 2013-11-20 주다영 Hydraulic Booster Cylinder

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