CN104329302B - One is pressurized fuel tank step by step - Google Patents
One is pressurized fuel tank step by step Download PDFInfo
- Publication number
- CN104329302B CN104329302B CN201410530260.XA CN201410530260A CN104329302B CN 104329302 B CN104329302 B CN 104329302B CN 201410530260 A CN201410530260 A CN 201410530260A CN 104329302 B CN104329302 B CN 104329302B
- Authority
- CN
- China
- Prior art keywords
- push rod
- piston
- fuel tank
- guide ring
- oil
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B1/00—Installations or systems with accumulators; Supply reservoir or sump assemblies
- F15B1/26—Supply reservoir or sump assemblies
- F15B1/265—Supply reservoir or sump assemblies with pressurised main reservoir
-
- 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
- F15B3/00—Intensifiers or fluid-pressure converters, e.g. pressure exchangers; Conveying pressure from one fluid system to another, without contact between the fluids
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)
Abstract
The invention discloses one pressurized fuel tank step by step, comprising: oil box (1), fuel tank cap (2), charged piston (3), O RunddichtringO (4), piston seal (5), spring (6), push rod housing (7), one-level push rod (8), secondary push rod (9), guide ring A(10), piston rod seal component A(11), guide ring B(12), guide ring C(13), piston rod seal component B(14) and guide ring D(15).During work, charged piston (3) is promoted to fuel-tank pressurization at the effect next stage push rod (8) of hydraulic pump outlet high pressure oil and secondary push rod (9), after one-level push rod (8) reaches range, secondary push rod (9) continues to promote charged piston (3) to fuel-tank pressurization.Supercharging mode is stretched out in the employing of this fuel tank step by step can increase charged piston (3) effective travel and fuel tank oil reserve under same installing space environment, meets little space, jumbo usage requirement.
Description
Technical field
The present invention relates to a kind of from pressurized fuel tank, particularly one pressurized fuel tank step by step.
Background technique
Hydraulic system is by system high pressure oil is drained to fuel tank hyperbaric chamber from pressurized fuel tank, the difference in areas of fuel tank hyperbaric chamber and low-pressure cavity is utilized to realize fuel-tank pressurization, there is good contamination resistance, under hypobaric, can effectively improve oil hydraulic pump self-priming performance, good environmental adaptability.After vacuumizing oiling, any direction is placed all can ensure that fuel tank fluid is in compressive state all the time, guarantees the normal oil suction of oil hydraulic pump.Tradition forms primarily of oil box, fuel tank cap, charged piston, spring and hydraulic seal from pressurized fuel tank, charged piston be placed in oil box inside and with its Spielpassung, utilize spring and hydraulic system high pressure oil to promote charged piston to move, realize the supercharging of fuel tank low-pressure cavity fluid, limit by installing space and Oiltank structure form, effective supercharging stroke is short, and oil reserve is few, is difficult to meet little space, jumbo usage requirement.
Summary of the invention
The object of the invention is to provide one pressurized fuel tank step by step, and solve from pressurized fuel tank effective supercharging stroke short, oil reserve is few, is difficult to the problem meeting little space, Large Copacity usage requirement.
One is pressurized fuel tank step by step, comprise: oil box, fuel tank cap, charged piston, O RunddichtringO, piston seal and spring, also comprise: push rod housing, one-level push rod, secondary push rod, guide ring A, piston rod seal component A, guide ring B, guide ring C, piston rod seal component B and guide ring D.Described push rod housing axially has step-like through hole, and push rod shell one end is flange, and there is seal groove flange exterior edge face, and the through-hole wall of the push rod housing the other end has rod seal groove and piston rod direction recess inwards successively from end face.Described one-level push rod shaft is to there being step-like through hole, fluted on the outer surface of one-level push rod one end, and the through-hole wall of the other end has rod seal groove and piston rod direction recess inwards successively from end face.Fluted on secondary push rod outer surface.Fluted on the end face of charged piston one end, outer surface there is twice piston seal groove.Oil box and fuel tank cap are by Flange joint, and push rod housing and fuel tank cap are by Flange joint, and O RunddichtringO is placed in the seal groove on push rod shell flange, and between fuel tank cap and push rod housing, axial seal forms hyperbaric chamber.One-level push rod be placed in push rod housing inside and with its Spielpassung, guide ring A is embedded in the groove on one-level push rod outer surface, piston rod seal component A is built in the rod seal groove of push rod housing, and guide ring B is embedded in the piston rod direction recess of push rod housing.Secondary push rod be placed in one-level push rod inside and with its Spielpassung, guide ring C is embedded in the groove on secondary push rod outer surface, piston rod seal component B is built in the rod seal groove of one-level push rod, and guide ring D is embedded in the piston rod direction recess of one-level push rod.Charged piston be placed in oil box inside and with its Spielpassung, two piston seals are placed in the twice piston seal groove of charged piston respectively, between charged piston and oil box radial seal formed low-pressure cavity.Charged piston and secondary push rod are threaded connection, spring housing on push rod housing, and between the flange being placed in push rod housing and the groove of charged piston.There are inlet port and return opening in oil box bottom surface, all communicates with low-pressure cavity, fuel tank cap has high pressure hydraulic fluid port, communicates with hyperbaric chamber, fuel tank cap and exhaust port that push rod housing communicates.After described pressurized fuel tank is connected with hydraulic system, inlet port communicates with oil hydraulic pump entrance, and return opening communicates with hydraulic system return line, and high pressure hydraulic fluid port communicates with hydraulic pump outlet.
After vacuumizing fill oil by return opening, one-level push rod and secondary push rod are all recovered in push rod housing, hyperbaric chamber and low-pressure cavity are all full of fluid, utilize spring, one-level push rod and secondary push rod to pressurized fuel tank supercharging during work, wherein guide ring A, guide ring B provide guide support along the axial motion of push rod housing for one-level push rod, and guide ring C, guide ring D provide guide support along the axial motion of one-level push rod for secondary push rod.Export to hydraulic system along with oil hydraulic pump changes into high pressure oil by inlet port from low-pressure cavity oil suction, hyperbaric chamber oil liquid pressure increases, promote charged piston to move to low-pressure cavity, to the supercharging of low-pressure cavity inner fluid, after one-level push rod reaches range, secondary push rod continues to promote charged piston and moves to low-pressure cavity, guarantees the normal oil suction of oil hydraulic pump, hydraulic system oil return returns pressurized fuel tank by return opening, for recycling.
Under same installing space environment, supercharging mode is stretched out in employing step by step can increase charged piston effective travel and fuel tank oil reserve, meets little space, jumbo usage requirement; There is good oil storage, supercharging, heat radiation and contamination resistance, good environmental adaptability.
Accompanying drawing explanation
Fig. 1 one step by step pressurized fuel tank two-stage push rod stretches out view
Fig. 2 one step by step pressurized fuel tank two-stage push rod reclaims view
1. oil box 2. fuel tank cap 3. charged piston 4.O RunddichtringO 5. piston seal 6. spring 7. push rod housing
8. one-level push rod 9. secondary push rod 10. guide ring A11. piston rod seal component A12. guide ring B13. guide ring C14. piston rod seal component B15. guide ring D16. hyperbaric chamber 17. low-pressure cavity 18. inlet port 19. return opening 20. high pressure hydraulic fluid port 21. exhaust port.
Embodiment
One is pressurized fuel tank step by step, comprise: oil box 1, fuel tank cap 2, charged piston 3, O RunddichtringO 4, piston seal 5 and spring 6, also comprise: push rod housing 7, one-level push rod 8, secondary push rod 9, guide ring A10, piston rod seal component A11, guide ring B12, guide ring C13, piston rod seal component B14 and guide ring D15.Described push rod housing 7 axially has step-like through hole, and push rod housing 7 one end is flange, and there is seal groove flange exterior edge face, and the through-hole wall of push rod housing 7 the other end has rod seal groove and piston rod direction recess inwards successively from end face.Described one-level push rod 8 axially has step-like through hole, fluted on the outer surface of one-level push rod 8 one end, and the through-hole wall of the other end has rod seal groove and piston rod direction recess inwards successively from end face.Fluted on secondary push rod 9 outer surface.Fluted on the end face of charged piston 3 one end, outer surface there is twice piston seal groove.Oil box 1 and fuel tank cap 2 are by Flange joint, and push rod housing 7 and fuel tank cap 2 are by Flange joint, and O RunddichtringO 4 is placed in the seal groove on push rod housing 7 flange, and between fuel tank cap 2 and push rod housing 7, axial seal forms hyperbaric chamber 16.One-level push rod 8 be placed in push rod housing 7 inside and with its Spielpassung, guide ring A10 is embedded in the groove on one-level push rod 8 outer surface, piston rod seal component A11 is built in the rod seal groove of push rod housing 7, and guide ring B12 is embedded in the piston rod direction recess of push rod housing 7.Secondary push rod 9 be placed in one-level push rod 8 inside and with its Spielpassung, guide ring C13 is embedded in the groove on secondary push rod 9 outer surface, piston rod seal component B14 is built in the rod seal groove of one-level push rod 8, and guide ring D15 is embedded in the piston rod direction recess of one-level push rod 8.Charged piston 3 be placed in oil box 1 inside and with its Spielpassung, two piston seals 5 are placed in the twice piston seal groove of charged piston 3 respectively, between charged piston 3 and oil box 1 radial seal formed low-pressure cavity 17.Charged piston 3 and secondary push rod 9 are threaded connection, and spring 6 is enclosed within push rod housing 7, and is placed between the flange of push rod housing 7 and the groove of charged piston 3.There are inlet port 18 and return opening 19 in oil box 1 bottom surface, all communicates with low-pressure cavity 17, fuel tank cap 2 has high pressure hydraulic fluid port 20, communicates with hyperbaric chamber 16, fuel tank cap 2 and exhaust port 21 that push rod housing 7 communicates.After described pressurized fuel tank is connected with hydraulic system, inlet port 18 communicates with oil hydraulic pump entrance, and return opening 19 communicates with hydraulic system return line, and high pressure hydraulic fluid port 20 communicates with hydraulic pump outlet.
After vacuumizing fill oil by return opening 19, one-level push rod 8 and secondary push rod 9 are all recovered in push rod housing 7, hyperbaric chamber 16 and low-pressure cavity 17 are all full of fluid, the 9 pairs of pressurized fuel tank superchargings of spring 6, one-level push rod 8 and secondary push rod are utilized during work, wherein guide ring A10, guide ring B12 provide guide support along push rod housing 7 axial motion for one-level push rod 8, and guide ring C13, guide ring D15 provide guide support along one-level push rod 8 axial motion for secondary push rod 9.Export to hydraulic system along with oil hydraulic pump changes into high pressure oil by inlet port 18 from low-pressure cavity 17 oil suction, hyperbaric chamber 16 oil liquid pressure increases, promote charged piston 3 to move to low-pressure cavity 17, to the supercharging of low-pressure cavity 17 inner fluid, after one-level push rod 8 reaches range, secondary push rod 9 continues to promote charged piston 3 and moves to low-pressure cavity 17, guarantees the normal oil suction of oil hydraulic pump, hydraulic system oil return returns pressurized fuel tank by return opening 19, for recycling.
Claims (1)
1. a pressurized fuel tank step by step, comprise: oil box (1), fuel tank cap (2), charged piston (3), O RunddichtringO (4), piston seal (5), spring (6), push rod housing (7), one-level push rod (8), secondary push rod (9), piston rod seal component A (11) and piston rod seal component B (14), described one-level push rod (8) axially has step-like through hole, fluted on the outer surface of one-level push rod (8) one end, fluted on secondary push rod (9) outer surface; One-level push rod (8) be placed in push rod housing (7) inside and with its Spielpassung, secondary push rod (9) be placed in one-level push rod (8) inside and with its Spielpassung, piston rod seal component B (14) is built in the rod seal groove of one-level push rod (8), charged piston (3) be placed in oil box (1) inside and with its Spielpassung, described in it is characterized in that, pressurized fuel tank also comprises step by step: guide ring A (10), guide ring B (12), guide ring C (13) and guide ring D (15); Described push rod housing (7) axially has step-like through hole, push rod housing (7) one end is flange, there is seal groove flange exterior edge face, and the through-hole wall of push rod housing (7) the other end has rod seal groove and piston rod direction recess inwards successively from end face; The through-hole wall of described one-level push rod (8) the other end there are rod seal groove and piston rod direction recess inwards successively from end face; Fluted on the end face of charged piston (3) one end, outer surface there is twice piston seal groove; Oil box (1) and fuel tank cap (2) pass through Flange joint, push rod housing (7) and fuel tank cap (2) pass through Flange joint, O RunddichtringO (4) is placed in the seal groove on push rod housing (7) flange, and between fuel tank cap (2) and push rod housing (7), axial seal forms hyperbaric chamber (16); Guide ring A (10) is embedded in the groove on one-level push rod (8) outer surface, piston rod seal component A (11) is built in the rod seal groove of push rod housing (7), and guide ring B (12) is embedded in the piston rod direction recess of push rod housing (7); Guide ring C (13) is embedded in the groove on secondary push rod (9) outer surface, and guide ring D (15) is embedded in the piston rod direction recess of one-level push rod (8); Two piston seals (5) are placed in the twice piston seal groove of charged piston (3) respectively, and between charged piston (3) and oil box (1), radial seal forms low-pressure cavity (17); Charged piston (3) and secondary push rod (9) are threaded connection, spring (6) is enclosed within push rod housing (7), and is placed between the flange of push rod housing (7) and the groove of charged piston (3); There are inlet port (18) and return opening (19) in oil box (1) bottom surface, all communicate with low-pressure cavity (17), fuel tank cap (2) there is high pressure hydraulic fluid port (20), communicate with hyperbaric chamber (16), fuel tank cap (2) and exhaust port (21) that push rod housing (7) communicates; After described pressurized fuel tank is connected with hydraulic system, inlet port (18) communicates with oil hydraulic pump entrance, and return opening (19) communicates with hydraulic system return line, and high pressure hydraulic fluid port (20) communicates with hydraulic pump outlet;
After vacuumizing fill oil by return opening (19), one-level push rod (8) and secondary push rod (9) are all recovered in push rod housing (7), hyperbaric chamber (16) and low-pressure cavity (17) are all full of fluid, spring (6) is utilized during work, one-level push rod (8) and secondary push rod (9) are to pressurized fuel tank supercharging, wherein guide ring A (10), guide ring B (12) provides guide support along push rod housing (7) axial motion for one-level push rod (8), guide ring C (13), guide ring D (15) provides guide support along one-level push rod (8) axial motion for secondary push rod (9), along with oil hydraulic pump is changed into high pressure oil by inlet port (18) export from low-pressure cavity (17) oil suction to hydraulic system, hyperbaric chamber (16) oil liquid pressure increases, promote charged piston (3) mobile to low-pressure cavity (17), to low-pressure cavity (17) inner fluid supercharging, after one-level push rod (8) reaches range, it is mobile to low-pressure cavity (17) that secondary push rod (9) continues to promote charged piston (3), guarantee the normal oil suction of oil hydraulic pump, hydraulic system oil return returns pressurized fuel tank, for recycling by return opening (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410530260.XA CN104329302B (en) | 2014-10-10 | 2014-10-10 | One is pressurized fuel tank step by step |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410530260.XA CN104329302B (en) | 2014-10-10 | 2014-10-10 | One is pressurized fuel tank step by step |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104329302A CN104329302A (en) | 2015-02-04 |
| CN104329302B true CN104329302B (en) | 2016-04-27 |
Family
ID=52404087
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410530260.XA Active CN104329302B (en) | 2014-10-10 | 2014-10-10 | One is pressurized fuel tank step by step |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104329302B (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104863909B (en) * | 2015-04-18 | 2016-03-02 | 浙江大学 | With the spring pressurizing closed hydraulic oil container of volume, pressure and leakage detection function |
| CN106438597A (en) * | 2015-08-11 | 2017-02-22 | 莆田市熙尧科技有限公司 | Energy storage and collection device |
| CN105333147A (en) * | 2015-11-25 | 2016-02-17 | 中国航空工业集团公司沈阳飞机设计研究所 | Gas supercharged type hydraulic oil tank sealing device |
| CN108119422A (en) * | 2017-11-23 | 2018-06-05 | 宜宾三江机械有限责任公司 | A kind of hydraulic is from pressurized fuel tank |
| CN108302070A (en) * | 2018-03-09 | 2018-07-20 | 山东大学 | A kind of gas-liquid is compound from pressurized fuel tank |
| CN112762028B (en) * | 2021-01-18 | 2022-07-05 | 国家石油天然气管网集团有限公司华南分公司 | Voltage-stabilizing closed oil tank |
| CN116696888B (en) * | 2023-07-21 | 2024-01-30 | 江苏翔力重工科技有限公司 | Built-in high-pressure oil cylinder with continuous supercharging function |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3705642A1 (en) * | 1986-07-02 | 1988-01-14 | Man Nutzfahrzeuge Gmbh | ENERGY STORAGE AND DELIVERY DEVICE |
| DE3829646A1 (en) * | 1988-09-01 | 1990-03-15 | Teves Gmbh Alfred | RESERVOIR FOR A PRESSURE CIRCUIT, IN PARTICULAR AIRCRAFT HYDRAULIC CIRCUIT |
| CN103821779B (en) * | 2012-11-16 | 2016-09-14 | 哈尔滨飞机工业集团有限责任公司 | A kind of from pressurized fuel tank |
| CN103850993A (en) * | 2012-11-30 | 2014-06-11 | 无锡市金凯利液压机械有限公司 | Hydraulic pressurizing oil tank |
| CN203614474U (en) * | 2013-12-04 | 2014-05-28 | 中国直升机设计研究所 | Combined sealing ring of hydraulic oil tank |
-
2014
- 2014-10-10 CN CN201410530260.XA patent/CN104329302B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN104329302A (en) | 2015-02-04 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104329302B (en) | One is pressurized fuel tank step by step | |
| CN204553199U (en) | A kind of plunger pump clack box assembly | |
| CN107208588A (en) | Plunger assembly | |
| CN102052295B (en) | The piston apparatus of piston pump | |
| CN108119422A (en) | A kind of hydraulic is from pressurized fuel tank | |
| WO2018160234A3 (en) | Piston cartridge for piston pump | |
| CN204240024U (en) | Energy-saving grease adding instrument | |
| CN203743119U (en) | Negative-pressure-preventing hydraulic cylinder | |
| CN207049091U (en) | Aircraft hydraulic pumps are from pressure charging system | |
| CN104006023B (en) | One utilizes gap sealed plunger case | |
| CN203891824U (en) | Self-lubricating oil pumping polish rod sealing device | |
| CN203584882U (en) | Padding and mechanical sealing universal double entry pump | |
| CN105387021A (en) | Built-in guide oil cylinder | |
| CN203847467U (en) | Sealing structure of narrow piston hydraulic cylinder | |
| CN203847686U (en) | Sealing mechanism | |
| CN203495644U (en) | Ball high-speed machinery main shaft oil cylinder assembly | |
| CN208534874U (en) | A kind of rapid-pressurizing hydraulic cylinder | |
| CN206889211U (en) | Double isolation chamber structure reciprocating vacuum pumps | |
| CN104196710B (en) | Plunger displacement pump packing_seal pressure compensator and application process | |
| CN206206196U (en) | A kind of motor section of deep well pump | |
| CN208294869U (en) | A kind of sealing structure of adjustable position hydraulic cylinder | |
| CN203847474U (en) | High-pressure single-acting self-compensating and thin-wall hydraulic cylinder | |
| CN205618661U (en) | Braking piston | |
| CN205780005U (en) | Explosion-proof type carries material oil cylinder | |
| CN202520692U (en) | Hydrocylinder for support shoe of heading machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |