CN106762866B - A kind of fuel tank assembly - Google Patents
A kind of fuel tank assembly Download PDFInfo
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- CN106762866B CN106762866B CN201510821742.5A CN201510821742A CN106762866B CN 106762866 B CN106762866 B CN 106762866B CN 201510821742 A CN201510821742 A CN 201510821742A CN 106762866 B CN106762866 B CN 106762866B
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Abstract
The present invention is applied in Helicopter Main hydraulic system, is the important component of main hydraulic system.A kind of fuel tank assembly Combination Design, the fuel tank assembly includes sampling switch (1), (2) are filtered in oiling oil return, fuel tank (3), fuel level annunciator (4), quick-release Self-sealing valve (5), fuel outlet valve (6), pressure supply Self-sealing valve (7), steering engine cuts off solenoid valve (9), pressure reducing valve (10), first pressure oily filter (11), steering engine pressure sensor (12), first check valve (13), safety valve (14), second check valve (15), pressure signal device (16), second pressure oily filter (17), third check valve (18), temperature relay (19) and ventilation filter (20).The present invention considers the function and connection type of each Hydraulic Elements, and Hydraulic Elements are integrated, unified to arrange, has not only saved space weight, but also maintenance easy to disassemble, reduces system pipeline connection, effectively simplifies the complexity of system, improve the reliability engineering of system.
Description
Technical field：
The present invention is applied in Helicopter Main hydraulic system, is the important component of main hydraulic system.
Background technology：
In domestic helicopter, at present in design of Hydraulic System, hydraulic control component and the equal independent design of auxiliary element
It installs and uses, there are space holds greatly, pipeline and cable arrange the problems such as complicated and overweight, and therefore, this project is courageously by hydraulic pressure
Component integration designs a kind of Combined oil tank component, unified to arrange, had not only saved space weight, but also maintenance easy to disassemble, and had reduced
System pipeline connects, and effectively simplifies the complexity of system, improves the reliability engineering of system.The design of hydraulic oil container component is one
Newer project, temporarily without similar application.Its difficult point is that Hydraulic Elements integrated technology, the pipeline of main hydraulic system are more multiple
It is miscellaneous, it is more at firmware, it needs to consider each Hydraulic Elements function, type of attachment, installation site, it is unified to be laid out, it is seen with facilitating
It surveys, installation, safeguard, and reduce system pipeline connection, effectively reduce system weight.
Invention content：
The present invention proposes that a kind of fuel tank assembly Combination Design, the fuel tank assembly not only meet storage fluid requirement, Er Qieke
Realize the functions such as oil circuit control and pressure, pasta and oil temperature monitoring alarm.
As shown in Fig. 1.A kind of fuel tank assembly, the fuel tank assembly include sampling switch 1, oiling oil return filter 2, fuel tank 3, oil
Face signalling means 4, quick-release Self-sealing valve 5, fuel outlet valve 6, pressure supply Self-sealing valve 7, steering engine cut-out solenoid valve 9, pressure reducing valve 10, first pressure oil
Filter 11, steering engine pressure sensor 12, the first check valve 13, safety valve 14, the second check valve 15, pressure signal device 16, second are pressed
Power oily filter 17, third check valve 18, temperature relay 19 and ventilation filter 20.Wherein, oiling oil return filter 2, fuel level annunciator 4,
Quick-release Self-sealing valve 5, fuel outlet valve 6 and ventilation filter 20 are directly connected to fuel tank 3, meanwhile, brake oil return interface is connected on fuel tank 3
32, auxiliary pump oil suction interface 23, hand pump oil suction interface 22, left hydraulic pump oil suction interface 21, fuel tank 3 connect with left hydraulic pump oil suction
Temperature relay 19 is housed between mouth 21.
In pressure oil circuit, 18 one end of third check valve is connect with left hydraulic pump pressure supply interface 24, the other end and second pressure
Oily filter 17 connects, and pressure supply Self-sealing valve 7 is connected between third check valve 18 and second pressure oily filter 17, and second pressure oily filter 17 is another
One end is sequentially connected pressure signal device 16 and the second check valve 15,15 other end of the second check valve connect left system reserve interface 8,
Safety valve 14, master help pressurized strut pressure supply interface, tail that left pressurized strut pressure supply interface 27 and steering engine is helped to cut off solenoid valve 9, and steering engine is cut
The other end of power-off magnet valve 9 is sequentially connected pressure reducing valve 10, first pressure oily filter 11, steering engine pressure sensor 12 and steering engine for crimping
Mouth 25.
In oil return circuit, spring cavity and steering engine oil return interface 33, left system reserve interface 8, the Assisted Combinatorial of pressure reducing valve 10
Fuel-displaced answer back of valve oil return interface 29 and the connection of the first check valve 13, pressure reducing valve (10) connects with first pressure oily filter (11) oil inlet
It connects, the oil return opening of steering engine cut-out solenoid valve 9 is connect with Assisted Combinatorial valve oil return interface 29 and the first check valve 13, safety valve 14
Oil return opening helps pressurized strut oil return interface 30, the first check valve 13 and oiling oil return filter 2 to connect with Assisted Combinatorial valve oil return interface 29, master
It connects, wherein the first check valve 13 is located between safety valve 14 and steering engine cut-out solenoid valve 9, left system oil return interface 31 and refuels back
Oily filter 2 connects.
Technique effect：
Consider the function and connection type of each Hydraulic Elements, Hydraulic Elements are integrated, it is unified to arrange, both save sky
Between weight, and maintenance easy to disassemble reduces system pipeline connection, effectively simplifies the complexity of system, improve the reliability of system
Technology.
Description of the drawings：
Fig. 1 product function block diagrams；
Fig. 2 product structures layout one；
Fig. 3 product structures layout two.
Wherein, 1 sampling switch, 2 oiling oil returns filter, 3 fuel tanks, 4 fuel level annunciators, 5 quick-release Self-sealing valves, 6 fuel outlet valves, 7 supply
Press Self-sealing valve, 8, left system reserve interface, 9 steering engines cut-out solenoid valve, 10 pressure reducing valves, 11 first pressure oily filters, 12 steering engine pressure
Sensor, 13 first check valves, 14 safety valves, 15 second check valves, 16 pressure signal devices, 17 second pressure oily filters, 18 thirds
Check valve, 19 temperature relays, 20 ventilation filters；21 left hydraulic pump oil suction interfaces, 22 hand pump oil suction interfaces, 23 auxiliary pump oil suctions
Interface, 24 left hydraulic pump pressure supply interfaces, 25 steering engine pressure supply interfaces, 27 tails help left pressurized strut pressure supply interface, 28 auxiliary left pressure supply interfaces,
29, Assisted Combinatorial valve oil return interface, 30 masters help pressurized strut oil return interface, 31 left system oil return interfaces, 32 brake oil return interfaces, 33
Steering engine oil return interface.
Specific implementation mode
Present invention is further described in detail with reference to the accompanying drawings of the specification.
As shown in Fig. 2, upper end installation ventilation filter 20, fuel level annunciator 4 and the filler cap of fuel tank 3, oiling oil return filter 2
It is connected with filler cap, is located in 3 shell of fuel tank, the shell one of fuel tank 3, which is surveyed, is equipped with observation window.12 He of steering engine pressure sensor
The mode that pressure signal device 16 is connected through a screw thread is fixed on the lower side of fuel tank 3, and temperature relay 19, steering engine cut off solenoid valve 9
The mode of being bolted is fixed on the lower side of fuel tank 3, and sampling switch is fixed on the lower side of fuel tank 3 with joint style.
Quick-release Self-sealing valve 5, pressure supply Self-sealing valve 7 and fuel outlet valve 6 are threadedly coupled the lower side that mode is fixed on fuel tank 3, the
One check valve 13, safety valve 14 and pressure reducing valve 10 are threadedly coupled the lower side that mode is fixed on fuel tank 3.
Left hydraulic pump oil suction interface 21, hand pump oil suction interface 22, auxiliary pump oil suction interface 23, left hydraulic pump pressure supply interface
24, steering engine pressure supply interface 25, it is main help pressurized strut pressure supply interface, tail help left pressurized strut pressure supply interface 27, auxiliary left pressure supply interface 28,
It is main to help pressurized strut oil return interface 30, left system oil return interface 31, brake oil return interface 32, steering engine oil return interface 33, Assisted Combinatorial
Valve oil return interface 29 is fixed on the lower side of fuel tank 3 with joint style.Left 8 joint form of system reserve interface is fixed on fuel tank 3
Lower side, joint is blocked with nut.
The fuel tank assembly not only meets storage fluid requirement, but also can realize oil circuit control and pressure, pasta and oil temperature prison
Functions, the product structure principles such as charge police are as shown in Fig. 3.
When system pressure supply, pressure oil enters from auxiliary pump oil suction interface 23, and pushes the spool of ozzle internal one-way valve open, leads to
Second pressure oily filter 17 is crossed, the downstream pressure-sensitive mouth and pressure letter that impurity enters pressure alpha contamination indicator 36 are removed by oily filter strainer
Open-top check valve 14 is divided into six tunnels into oil inlet main channel after number device 16：All the way oil is flowed back to through safety valve 14 in system overpressure
Case 3 helps pressurized strut pressure supply interface 25 to help pressurized strut pressure supply to master by master all the way；All the way by tail help pressurized strut pressure supply interface to
Tail helps pressure supply；Help left pressurized strut pressure supply interface 27 to auxiliary system pressure supply by tail all the way；Entered all the way by cutting off solenoid valve 8
Pressure reducing valve 9 exports through the filtering of steering engine pressure oily filter 10 after decompression, flows through steering engine pressure sensor 12, by steering engine pressure supply interface
25 to steering engine pressure supply；System reserve interface 34 is finally reached all the way；Master helps pressurized strut oil return, left system oil return, steering engine system simultaneously
Oil return, auxiliary system oil return unite respectively through oil return interface 28,29,31,32 to oil return filter 2, after being filtered by oily filter, returns to fuel tank
3；Brake oil return is returned directly to fuel tank 3 through oil return interface 30.
When that need to be detected to system fluid, oil return fluid is sampled by sampling switch 1 and detects fluid dirt
Dye degree；
When input main system input pressure is down to warning pressure or less, pressure signal device 16 sends out alarm signal；
When steering gear system input pressure is down to warning pressure or less, steering engine pressure sensor 12 sends out alarm signal；
When main system superpressure, safety valve 14 is opened and pressure release, until pressure recovery is normal；
When steering gear system superpressure, the safety valve in pressure reducing valve 9 is opened and pressure release, until pressure recovery is normal；
When the pasta in fuel tank 3 is less than alarm pasta, fuel level annunciator 4 sends out alarm signal；
Pass through 19 outputting alarm signal of temperature relay when 3 inner fluid temperature of fuel tank is higher than normal requirement；
When pasta is less than alarm pasta in fuel tank 3, cut-out solenoid valve 8 cuts off the pressure supply to steering engine；
Hand pump is by hand pump inlet port 22 from 3 oil suction of fuel tank；
Auxiliary pump is by auxiliary pump inlet port 23 from 3 oil suction of fuel tank；
Hydraulic pump is by left hydraulic pump inlet port 21 from fuel tank oil suction；
When the fluid in fuel tank 3 needs discharge outward, fuel tank inner fluid is discharged by fuel outlet valve 6；
When needing ground maintenance, system and ground installation are attached by quick-release Self-sealing valve 5, pressure supply Self-sealing valve 7.
Claims (1)
1. a kind of fuel tank assembly, characterized in that the fuel tank assembly include sampling switch (1), oiling oil return filter (2), fuel tank (3),
Fuel level annunciator (4), quick-release Self-sealing valve (5), fuel outlet valve (6), pressure supply Self-sealing valve (7), steering engine cut-out solenoid valve (9), pressure reducing valve
(10), first pressure oily filter (11), steering engine pressure sensor (12), the first check valve (13), safety valve (14), the second check valve
(15), pressure signal device (16), second pressure oily filter (17), third check valve (18), temperature relay (19) and ventilation filter
(20)；Wherein, oiling oil return filter (2), fuel level annunciator (4), quick-release Self-sealing valve (5), fuel outlet valve (6) and ventilation filter (20) and oil
Case (3) is directly connected to, meanwhile, brake oil return interface (32), auxiliary pump oil suction interface (23), hand pump are connected on fuel tank (3)
Oil suction interface (22), left hydraulic pump oil suction interface (21), between fuel tank (3) and left hydraulic pump oil suction interface (21) equipped with temperature after
Electric appliance (19)；
In pressure oil circuit, third check valve (18) one end is connect with left hydraulic pump pressure supply interface (24), the other end and second pressure
Oily filter (17) connects, and pressure supply Self-sealing valve (7) is connected between third check valve (18) and second pressure oily filter (17), second pressure
Oily filter (17) other end is sequentially connected pressure signal device (16) and the second check valve (15), the connection of the second check valve (15) other end
Left system reserve interface (8), safety valve (14), it is main help pressurized strut pressure supply interface, tail help left pressurized strut pressure supply interface (27) and
Steering engine cuts off solenoid valve (9), and the other end of steering engine cut-out solenoid valve (9) is sequentially connected pressure reducing valve (10), first pressure oily filter
(11), steering engine pressure sensor (12) and steering engine pressure supply interface (25)；
In oil return circuit, spring cavity and steering engine oil return interface (33), left system reserve interface (8), the assisted group of pressure reducing valve (10)
Close valve oil return interface (29) and the first check valve (13) connect, pressure reducing valve (10) it is fuel-displaced answer back with first pressure oily filter (11) into
Hydraulic fluid port connects, and steering engine cuts off the oil return opening of solenoid valve (9) and Assisted Combinatorial valve oil return interface (29) and the first check valve (13) connect
It connects, oil return opening and Assisted Combinatorial valve oil return interface (29), the master of safety valve (14) help pressurized strut oil return interface (30), first unidirectionally
Valve (13) and oiling oil return filter (2) connection, wherein the first check valve (13) is located at safety valve (14) and steering engine cut-out solenoid valve (9)
Between, left system oil return interface (31) and oiling oil return filter (2) connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510821742.5A CN106762866B (en) | 2015-11-24 | 2015-11-24 | A kind of fuel tank assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510821742.5A CN106762866B (en) | 2015-11-24 | 2015-11-24 | A kind of fuel tank assembly |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106762866A CN106762866A (en) | 2017-05-31 |
| CN106762866B true CN106762866B (en) | 2018-10-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510821742.5A Active CN106762866B (en) | 2015-11-24 | 2015-11-24 | A kind of fuel tank assembly |
Country Status (1)
| Country | Link |
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| CN (1) | CN106762866B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114046276A (en) * | 2021-11-24 | 2022-02-15 | 苏州大方特种车股份有限公司 | Hydraulic oil tank and vehicle with same |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3667223A (en) * | 1971-02-16 | 1972-06-06 | Mc Donnell Douglas Corp | Hydraulic system having means for isolating leaking branch circuits |
| CN201568280U (en) * | 2009-11-10 | 2010-09-01 | 江西洪都航空工业集团有限责任公司 | Miniaturized testing device for oil fuel booster pump of aircraft |
| CN103267036B (en) * | 2013-05-20 | 2015-10-28 | 天利航空科技深圳有限公司 | Portable hydraulic source |
| CN204628114U (en) * | 2015-05-14 | 2015-09-09 | 北京光徽德润航空技术有限公司 | A kind of for supplying the hydraulic pressure pump truck of oil return to aircraft |
| CN204729400U (en) * | 2015-05-21 | 2015-10-28 | 上海凯迪克航空工程技术有限公司 | A kind of novel aviation hydraulic oil pump vehicle system |
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| CN106762866A (en) | 2017-05-31 |
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