CN2777258Y - Two direction two-stage air-liquid transmission type pressure booster - Google Patents
Two direction two-stage air-liquid transmission type pressure booster Download PDFInfo
- Publication number
- CN2777258Y CN2777258Y CN 200520068997 CN200520068997U CN2777258Y CN 2777258 Y CN2777258 Y CN 2777258Y CN 200520068997 CN200520068997 CN 200520068997 CN 200520068997 U CN200520068997 U CN 200520068997U CN 2777258 Y CN2777258 Y CN 2777258Y
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- hydraulic cylinder
- stage
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- liquid transmission
- pressure
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Abstract
The utility model relates to a pressure booster, particularly a two-way two-stage air-liquid transmission type pressure booster adopting the technology of fluid pressure boost. For the structure, a first-stage hydraulic cylinder, a second-stage hydraulic cylinder and a piston are respectively symmetrically distributed on both sides of an air cylinder, and an air source is connected with the air cylinder via a pipeline and a pneumatic reversing valve; an oil tank is respectively connected with a first-stage hydraulic cylinder cavity and a second-stage hydraulic cylinder via pipelines and one-way valves. Because the utility model adopts an air-liquid transmission two-way two-stage pressure boost structure, the conversion of a high-pressure oil supply state and a low-pressure oil supply state can be automatically completed according to the requirement of a working condition, and the functions that the motion is carried out at a high speed at the time of light load, and the motion is carried out at a low speed at the time of heavy load can be achieved thereby. The utility model has the advantages of convenient connection, installation and maintenance of pipelines and high work efficiency.
Description
Technical field
The utility model relates to a kind of pressurized machine, is specifically related to a kind of two-way twin-stage gas-liquid transmission supercharging device that adopts flow booster technology.
Background technique
On engineering, be when actuating device high-speed motion during to the requirement overwhelming majority of hydraulic system in underloading, arrive the working position fast; Low-speed motion when heavy duty, or, be converted into the liquid that high-pressure low-flow is provided automatically according to load variations, to obtain bigger delivery pressure.As some jumbo, engineering machinery, machining lathe etc., all need hydraulic system to possess such function.Reaching the raising ouput force with the total working pressure of raising system, is a kind of design proposal of routine, and it makes this increase of hydraulic system assembly.
Pneumatic gearing has its distinctive feature, and it is working medium with the air, supply, discharging, handles all easily, also is convenient to centralizedly supply, is the power source that the work-yard obtains easily.Yet a shortcoming that is difficult to overcome because of himself is exactly system pressure can not be too high (general PA=0.4～0.7Mpa), cause device volume too huge easily, thus limited its application in some occasion.
Gas-liquid transmission supercharging device adopts flow booster technology, has overcome the shortcoming of pneumatic gearing, has absorbed hydraulicdriven advantage, and hydraulic system can be worked under the operating mode of high pressure, heavy duty.Publication number is the Chinese utility model patent " gas-liquid pressure-boosting drive unit " of CN2199346Y, disclose a kind of stamping process that is applicable to and produced the gas-liquid pressure-boosting drive unit of quick stroke and power stroke, it includes two separable cylinder bodies compositions that are connected by the transverse section each other up and down, but because it is unidirectional gas-liquid transmission supercharging device, still can't satisfy engineering and can change the functional requirement of delivery pressure automatically according to load variations hydraulic system.
Summary of the invention
The purpose of this utility model is in order to overcome the deficiency that prior art exists, to provide a kind of and can change output liquid pressure automatically according to load variations, and two-way twin-stage gas-liquid transmission supercharging device simple in structure, that volume is little, efficient is high.
For achieving the above object, the technical solution adopted in the utility model is: form hydraulic booster mechanism by one-level, two-stage hydraulic cylinder and piston thereof, the one-level oil hydraulic cylinder communicates with cylinder, and source of the gas links to each other with cylinder by pipeline, air operated reversing valve; Fuel tank links to each other with one-level, the two-stage hydraulic cylinder cavity of cylinder both sides respectively by pipeline, one-way valve, at fuel tank and towards between the one-way valve of one-level oil hydraulic cylinder cavity, is provided with sequence valve; One-level, two-stage hydraulic cylinder cavity are connected to actuator by pipeline, one-way valve.
In the technique scheme, described cylinder is a rolling film chip structure.Described hydraulic booster mechanism is symmetrically distributed in the cylinder both sides.
Because the technique scheme utilization, the utility model compared with prior art has following advantage:
1. because the utility model has adopted that the gas-liquid transmission is two-way, the pressure structure of twin-stage, can finish the switching of high and low pressure fuel feeding state automatically according to working condition requirement, thus high-speed motion when having realized mechanical underloading, the functional requirement of low-speed motion during heavy duty.
2. whole device organically combines pneumatic and hydraulics, does not adopt conventional hydraulic pump source, but sealed reservoir, the system architecture concision and compact is the supercharging device of a kind of economy, energy-saving and environmental protection.
3. this supercharging device integrates hydraulic element and pneumatic elements such as pressurized cylinder, one-way valve, sequence valve, and the liquid of high-pressure low-flow can be provided continuously for a long time, two-way function, and efficient is higher.
4. this device cylinder portion adopts rolling film chip air cylinder structure, and the rolling diaphragm stroke is bigger, can reach 200mm, does not have and leaks, and also be easy to make, and pressure is easy to adjust, and volume is little, and pipeline connects, installs, safeguards all more convenient.
Description of drawings
The fundamental diagram of a kind of two-way twin-stage gas-liquid transmission supercharging device that accompanying drawing 1 provides for the utility model embodiment.
Wherein: [1]-fuel tank; [2], [3], [6], [7], [8], [9], [12], [13]-one-way valve; [4]-source of the gas; [5]-air operated reversing valve; [10], [11]-sequence valve; [14]-left side two-stage hydraulic cylinder; [15]-left side one-level oil hydraulic cylinder; [16]-the right one-level oil hydraulic cylinder; [17]-the right two-stage hydraulic cylinder; [18]-rolling film chip cylinder.
Embodiment
Below in conjunction with drawings and Examples the utility model is further described.
Embodiment:
Shown in accompanying drawing 1, source of the gas 4 links to each other with the left and right sides cylinder of rolling film chip cylinder 18 respectively by pipeline, air operated reversing valve 5; Fuel tank 1 links to each other with left side one-level, two-stage hydraulic cylinder cavity 15,14 respectively by pipeline, one-way valve 2,3; Fuel tank 1 links to each other with the right one-level, two-stage hydraulic cylinder cavity 16,17 respectively by pipeline, one-way valve 6,7; To actuating device, left side one-level oil hydraulic cylinder cavity 15 passes through pipeline, one-way valve 12 to actuating device to left side two-stage hydraulic cylinder cavity 14 by pipeline, one-way valve 13; To actuating device, the right two-stage hydraulic cylinder cavity 17 passes through pipeline, one-way valve 8 to actuating device to the right one-level oil hydraulic cylinder cavity 16 by pipeline, one-way valve 9; Sequence valve 10,11 is connected between the front end and fuel tank 1 of one-way valve 12,9.
When air operated reversing valve 5 is in position, a left side shown in the accompanying drawing 1 working state, pressurized air enters chamber, a cylinder left side, the promotion cylinder piston moves right, one-way valve 2,3 sucks liquid, the right one-level oil hydraulic cylinder 15 discharges low pressure liquid with two-stage hydraulic cylinder 14 simultaneously by one-way valve 8,9, enter actuating device after converging, make actuating device fast near the working position.When air operated reversing valve 5 was in right position working state, then one-way valve 6,7 sucked liquid, and one- way valve 12,13 is discharged low pressure liquid.In case actuating device runs into load, system pressure just can raise, and one-way valve 9 this moment (or 12) can be closed automatically, and sequence valve 10 (or 11) can be opened automatically; The liquid of one-level oil hydraulic cylinder 16 (or 15) flows back to fuel tank through the corresponding order valve, realizes off-load; The high-pressure low-flow liquid that two-stage hydraulic cylinder 17 (or 14) is discharged through one-way valve 8 (or 13) enters actuating device, makes actuating device obtain needed delivery pressure.The to-and-fro motion of piston can make air operated reversing valve automatic reverse by modes such as Stroke Control, thereby realizes automatic cycle.Therefore, this device comes down to a kind of two-way twin-stage pluger type hydraulic pump that continues fuel feeding with air pressure driving, pulse mode.
The two-way twin-stage gas-liquid transmission supercharging device that the utility model embodiment provides, the output flow Q during the low pressure and mass flow fuel feeding
1, the output flow Q when reaching the high-pressure low-flow fuel feeding
2, can calculate by following two formulas:
Q
1＝лd
1 2 nlη
v/2 (1)
Q
2＝лd
2 2 nlη
v/2 (2)
Wherein: d
1-one-level oil hydraulic cylinder cavity inner carrier diameter;
d
2-two-stage hydraulic cylinder cavity inner carrier diameter;
N-unit time inner carrier reciprocal time;
The l-length of piston travel;
η
v-volumetric efficiency.
Delivery pressure P during low pressure oil supply
1, the delivery pressure P when reaching high-pressure oil feed
2, can calculate by following two formulas:
P
1＝(D
2-d
1 2)Pa/d
1 2 (3)
P
2＝(D
2-d
1 2)Pa/d
2 2 (4)
Wherein: D-cylinder inner cavity diameter;
The pressure of Pa-cylinder compressed air.
Because the utility model adopted two-way twin-stage gas-liquid transmission supercharging technology, can change output liquid pressure automatically according to load variations, so can be applied to the operating mode part require highly pressurised liquid be underloading at a high speed, the occasion of heavy-duty low-speed, as machine tool fixture etc.Especially under the condition that does not possess hydraulic power unit, as the hydraulic tools of outdoor work etc., select this supercharging device to reduce expenses, reduce energy consumption.Therefore, two-way twin-stage gas-liquid transmission supercharging device provided by the utility model has higher promotional value and good prospects for application.
Claims (3)
1. two-way twin-stage gas-liquid transmission supercharging device, it is characterized in that: form hydraulic booster mechanism by one-level, two-stage hydraulic cylinder and piston thereof, the one-level oil hydraulic cylinder communicates with cylinder, and source of the gas links to each other with cylinder by pipeline, air operated reversing valve; Fuel tank links to each other with one-level, two-stage hydraulic cylinder cavity respectively by pipeline, one-way valve, at fuel tank and towards between the one-way valve of one-level oil hydraulic cylinder cavity, is provided with sequence valve; One-level, two-stage hydraulic cylinder cavity are connected to actuator by pipeline, one-way valve.
2. two-way twin-stage gas-liquid transmission supercharging device according to claim 1, it is characterized in that: described cylinder is a rolling film chip structure.
3. two-way twin-stage gas-liquid transmission supercharging device according to claim 1 is characterized in that: described hydraulic booster mechanism is symmetrically distributed in the cylinder both sides.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520068997 CN2777258Y (en) | 2005-02-02 | 2005-02-02 | Two direction two-stage air-liquid transmission type pressure booster |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520068997 CN2777258Y (en) | 2005-02-02 | 2005-02-02 | Two direction two-stage air-liquid transmission type pressure booster |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2777258Y true CN2777258Y (en) | 2006-05-03 |
Family
ID=36744643
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520068997 Expired - Fee Related CN2777258Y (en) | 2005-02-02 | 2005-02-02 | Two direction two-stage air-liquid transmission type pressure booster |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2777258Y (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015171708A1 (en) * | 2014-05-09 | 2015-11-12 | Montana Hydraulics,Llc | Air-to-hydraulic fluid pressure amplifier |
| CN105793579A (en) * | 2013-09-23 | 2016-07-20 | 厄齐尔·米格尔·涅马 | Hydraulic pressure generation unit with pneumatic actuation |
| CN105889168A (en) * | 2014-11-27 | 2016-08-24 | 王华裕 | Energy-saving type pressurization rotating cylinder |
| CN108679009A (en) * | 2018-07-19 | 2018-10-19 | 江苏师范大学 | A kind of pressurized cylinder and control method that can change pressure ratio at double |
| WO2020087139A1 (en) | 2018-10-31 | 2020-05-07 | Drausuisse Brasil Comercio E Locacao De Unidades Hidraulicas Inteligentes S.A. | Dual pneumo-hydraulic pump unit |
| WO2020097699A1 (en) * | 2018-11-14 | 2020-05-22 | Drausuisse Brasil Comercio E Locacao De Unidades Hidraulicas Inteligentes S.A. | Hydraulic unit with pumps parallel to the pneumatic cylinder linked to the servomotor and use thereof |
-
2005
- 2005-02-02 CN CN 200520068997 patent/CN2777258Y/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105793579A (en) * | 2013-09-23 | 2016-07-20 | 厄齐尔·米格尔·涅马 | Hydraulic pressure generation unit with pneumatic actuation |
| EP3051146A4 (en) * | 2013-09-23 | 2017-05-31 | Ercio Miguel Nema | Hydraulic pressure generation unit with pneumatic actuation |
| WO2015171708A1 (en) * | 2014-05-09 | 2015-11-12 | Montana Hydraulics,Llc | Air-to-hydraulic fluid pressure amplifier |
| CN105889168A (en) * | 2014-11-27 | 2016-08-24 | 王华裕 | Energy-saving type pressurization rotating cylinder |
| CN108679009A (en) * | 2018-07-19 | 2018-10-19 | 江苏师范大学 | A kind of pressurized cylinder and control method that can change pressure ratio at double |
| WO2020087139A1 (en) | 2018-10-31 | 2020-05-07 | Drausuisse Brasil Comercio E Locacao De Unidades Hidraulicas Inteligentes S.A. | Dual pneumo-hydraulic pump unit |
| WO2020097699A1 (en) * | 2018-11-14 | 2020-05-22 | Drausuisse Brasil Comercio E Locacao De Unidades Hidraulicas Inteligentes S.A. | Hydraulic unit with pumps parallel to the pneumatic cylinder linked to the servomotor and use thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |