CN111232230A - Oil tank anti-fluctuation device of aircraft - Google Patents
Oil tank anti-fluctuation device of aircraft Download PDFInfo
- Publication number
- CN111232230A CN111232230A CN202010080485.5A CN202010080485A CN111232230A CN 111232230 A CN111232230 A CN 111232230A CN 202010080485 A CN202010080485 A CN 202010080485A CN 111232230 A CN111232230 A CN 111232230A
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- China
- Prior art keywords
- oil
- tank body
- oil tank
- fuel tank
- sealing
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Links
- 238000007789 sealing Methods 0.000 claims abstract description 76
- 239000002828 fuel tank Substances 0.000 claims abstract description 21
- 230000000151 anti-reflux effect Effects 0.000 claims description 17
- 238000006073 displacement reaction Methods 0.000 claims description 10
- 230000006835 compression Effects 0.000 claims description 9
- 238000007906 compression Methods 0.000 claims description 9
- 238000001514 detection method Methods 0.000 claims description 5
- 239000003921 oil Substances 0.000 abstract description 124
- 239000000295 fuel oil Substances 0.000 abstract description 18
- 239000007788 liquid Substances 0.000 abstract description 9
- 239000000446 fuel Substances 0.000 abstract description 7
- 238000003825 pressing Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
- B64D37/00—Arrangements in connection with fuel supply for power plant
- B64D37/005—Accessories not provided for in the groups B64D37/02 - B64D37/28
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
- B64D37/00—Arrangements in connection with fuel supply for power plant
- B64D37/02—Tanks
- B64D37/06—Constructional adaptations thereof
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
- B64D37/00—Arrangements in connection with fuel supply for power plant
- B64D37/32—Safety measures not otherwise provided for, e.g. preventing explosive conditions
Landscapes
- Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Supply Devices, Intensifiers, Converters, And Telemotors (AREA)
Abstract
The invention relates to the technical field of aircraft fuel tanks, in particular to an anti-fluctuation device for a fuel tank of an aircraft, which comprises a fuel tank body, wherein electromagnetic telescopic rods are arranged on the outer sides of fuel tank covers on two sides of the fuel tank body, telescopic rod ends of the electromagnetic telescopic rods extending into the fuel tank body are connected with sealing plates, a fuel inlet pipe body is arranged at the upper end of the middle part of the fuel tank body, and a fuel outlet pipe body is arranged below the middle part of the fuel tank body, and has the advantages that: according to the invention, the electromagnetic telescopic rod is controlled to work, and the telescopic rod of the electromagnetic telescopic rod is matched to extend and feed, so that the two sealing plates clamp the oil storage cavity, the fuel oil in the oil storage cavity is always in a high liquid level state, and the stable oil outlet of the oil outlet pipe body is ensured.
Description
Technical Field
The invention relates to the technical field of aircraft fuel tanks, in particular to a fuel tank anti-fluctuation device of an aircraft.
Background
In the flight process of an aircraft (particularly under the conditions of side flight, back flight and rolling), an oil pipe heavy hammer in an aircraft oil tank cannot be absolutely guaranteed to be below an oil level, and sometimes a small amount of air is pumped, so that the oil is cut off, and the operation of an aircraft engine is not smooth; along with the use of fuel oil in an aircraft fuel tank, the lower the liquid level of the fuel oil is, the more easily the phenomenon of fuel cut-off occurs; in the running process of the aircraft, fuel oil fluctuates violently due to the fact that the aircraft bumps, a large number of bubbles are mixed into the fuel oil, and the using quality of the fuel oil is affected.
Disclosure of Invention
The present invention aims to provide a tank surge arrester for an aircraft, which solves the problems set forth in the background art.
In order to achieve the purpose, the invention provides the following technical scheme: an anti-fluctuation device of an aircraft oil tank comprises an oil tank body, wherein oil tank caps are fixedly connected with ports on two sides of the oil tank body through bolts, electromagnetic telescopic rods are fixedly arranged on the outer side walls of the two oil tank caps, the telescopic rods of the electromagnetic telescopic rods penetrate into the oil tank body, and the end part of the telescopic rod of the oil tank body is provided with a top plate, the inner side wall of the top plate is connected with a sealing plate through a sealing plate connecting rod group, the upper end of the middle part of the oil tank body is provided with an oil inlet pipe body, the lower part of the middle part of the oil tank body is provided with an oil outlet pipe body, the middle part of the oil inlet pipe body is integrally formed with a horizontal anti-reflux cylinder seat, an oil inlet channel is arranged inside the anti-reflux cylinder seat, and an anti-reflux assembly is arranged in the oil inlet channel, one port of the anti-reflux cylinder seat close to the sealing block is connected with an electromagnetic oil inlet valve, and the upper port of the oil inlet pipe body is connected with an electromagnetic exhaust valve.
Preferably, the sealing plate connecting rod group comprises a sealing plate guide rod piece and an extension spring, the sealing plate guide rod piece is a telescopic rod assembly formed by mutually sleeving an inner sliding rod and an outer sleeve, the extension spring is sleeved outside the sealing plate guide rod piece, and two ends of the extension spring are respectively connected with the top plate and the side wall of the sealing plate.
Preferably, the outer wall of the sealing plate is matched with the inside of the oil tank body and is in sliding contact with the inside of the oil tank body, 2-3 piston ring grooves are formed in the outer wall of the sealing plate, and piston rings are arranged in the piston ring grooves.
Preferably, the anti-reflux component comprises a pressure cap, a screw rod, a sealing block connecting rod group and a sealing block, one end of the anti-reflux barrel base is connected with the pressure cap through a thread, the middle part of the pressure cap is in threaded connection with the screw rod which is coaxial with an oil inlet channel in the anti-reflux barrel base, and the inner end of the screw rod is connected with the sealing block through the sealing block connecting rod group.
Preferably, the inner wall of the oil inlet channel inside the anti-reflux cylinder seat is integrally formed with a necking, and the sealing block is tightly attached to the necking.
Preferably, the sealing block connecting rod group consists of a sealing block guide rod piece and a compression spring, the sealing block guide rod piece is a telescopic rod assembly formed by mutually sleeving a guide rod and a guide cylinder, the compression spring is sleeved outside the sealing block guide rod piece, and two ends of the compression spring are respectively in abutting contact with the inner end of the screw rod and the sealing block.
Preferably, the outer wall middle part of oil tank body is provided with oil pressure sensor and temperature sensor, and oil pressure sensor and temperature sensor's detection end penetrates to the inside of oil tank body.
Preferably, the laser displacement sensors are arranged above the two ends of the inner wall of the oil tank body, and the detection ends of the laser displacement sensors point to one side close to the sealing plate.
Compared with the prior art, the invention has the beneficial effects that: the invention has reasonable structure and strong functionality, and has the following advantages:
1. according to the invention, the electromagnetic telescopic rod is controlled to work, and the telescopic rod of the electromagnetic telescopic rod is matched to extend and feed, so that the two sealing plates clamp the oil storage cavity, the fuel oil in the oil storage cavity is always in a high liquid level state, and the stable oil outlet of the oil outlet pipe body is ensured;
2. according to the invention, the electromagnetic oil inlet valve is closed, the electromagnetic exhaust valve is opened, and the two sealing plates are clamped, so that air in an oil storage cavity in the oil tank body can be exhausted, and the fluctuation of fuel oil in the oil storage cavity is effectively reduced;
3. according to the invention, the oil pressure sensor is arranged in the middle of the outer wall of the oil tank body and used for detecting the internal pressure of the oil storage cavity of the oil tank body, the temperature sensor is arranged for detecting the internal temperature of the oil storage cavity of the oil tank body, the laser displacement sensors are arranged above two ends of the inner wall of the oil tank body and used for detecting the positions of the two sealing plates in the oil tank body, the calculation is carried out by combining the existing computer technology, the volume of the oil storage cavity of the oil tank body can be known, and the liquid level height of fuel oil in the oil storage cavity can be calculated by combining the pressure data detected by.
Drawings
FIG. 1 is a half sectional view of the structure of the present invention;
FIG. 2 is a schematic structural view of the present invention;
FIG. 3 is a front cross-sectional view of the structure of the present invention;
fig. 4 is an enlarged view of a portion a in fig. 3.
In the figure: oil tank body 1, oil tank cap 2, electromagnetic telescopic rod 3, roof 4, closing plate connecting rod group 5, closing plate guide rod piece 51, extension spring 52, closing plate 6, oil feed body 7, the body of producing oil 8, prevent cylinder base 9 against current, throat 91, prevent backflow subassembly 10, pressure cap 101, screw 102, sealed piece connecting rod group 103, sealed piece 104, electromagnetism fuel inlet valve 11, electromagnetism discharge valve 12, oil pressure sensor 13, temperature sensor 14, laser displacement sensor 15.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 4, the present invention provides a technical solution: the utility model provides a wave device is prevented to aircraft's oil tank, including oil tank body 1, combine figure 1 and figure 3 to show, bolt fixedly connected with oil tank cap 2 is passed through to oil tank body 1's both sides port, two oil tank cap 2's lateral wall is all fixed and is provided with electromagnetic telescopic rod 3, electromagnetic telescopic rod 3's telescopic link runs through to oil tank body 1's inside, and oil tank body 1's telescopic link tip is equipped with roof 4, the inside wall of roof 4 is connected with closing plate 6 through closing plate connecting rod group 5, 1 inside cavity that is located between two closing plate 6 of oil tank body is the oil storage chamber, along with fuel use, cooperation electromagnetic telescopic rod 3's telescopic link extension is given, make the fuel of oil storage intracavity portion be in high liquid level.
Referring to fig. 1 and 3, an oil inlet pipe body 7 is disposed at the upper end of the middle part of the oil tank body 1, an oil outlet pipe body 8 is disposed below the middle part of the oil tank body 1, a horizontal anti-backflow cylinder base 9 is integrally formed at the middle part of the oil inlet pipe body 7, an oil inlet channel is disposed inside the anti-backflow cylinder base 9, an electromagnetic oil inlet valve 11 is connected to a port of the anti-backflow cylinder base 9 near the sealing block 104, fuel oil can be replenished into the oil tank body 1 only when the anti-backflow cylinder base 9 is controlled to be opened, a vacuum cavity is formed inside the oil tank body 1 when the anti-backflow cylinder base 9 is closed, and the fuel oil is clamped between the two sealing plates 6 at a high liquid level state, so as to reduce the fluctuation state of the fuel oil and ensure stable oil outlet of the oil outlet pipe body 8, an electromagnetic exhaust valve 12 is connected to the upper port of the oil inlet pipe body 7, the electromagnetic exhaust valve 12, the air in the oil storage cavity in the oil tank body 1 is discharged.
As shown in fig. 2, the sealing plate connecting rod set 5 includes a sealing plate guide rod member 51 and an extension spring 52, the sealing plate guide rod member 51 is a telescopic rod assembly formed by an inner slide rod and an outer sleeve which are sleeved with each other, the extension spring 52 is sleeved outside the sealing plate guide rod member 51, and both ends of the extension spring 52 are respectively connected with the side walls of the top plate 4 and the sealing plate 6, the telescopic sealing plate connecting rod group 5 can complement the length of the telescopic rod of the electromagnetic telescopic rod 3, when the oil storage cavity in the oil tank body 1 is in a closed state, the two sealing plates 6 can be attracted towards the direction of approaching with the fuel oil, the outer walls of the sealing plates 6 are matched with the inside of the oil tank body 1 and are in sliding contact, 2-3 piston ring grooves are arranged on the outer walls of the sealing plates 6, and a piston ring is arranged in the piston ring groove, so that the connection sealing performance between the sealing plate 6 and the inner part of the oil tank body 1 is ensured.
Referring to fig. 3 and 4, an anti-reflux assembly 10 is disposed in an oil inlet channel disposed inside the anti-reflux barrel holder 9, the anti-reflux assembly 10 includes a pressing cap 101, a screw 102, a sealing block connecting rod set 103 and a sealing block 104, one end of the anti-reflux barrel holder 9 is connected with the pressing cap 101 through a screw thread, the screw 102 coaxial with the oil inlet channel in the anti-reflux barrel holder 9 is screwed in the middle of the pressing cap 101, the inner end of the screw 102 is connected with the sealing block 104 through the sealing block connecting rod set 103, the sealing block connecting rod set 103 is composed of a sealing block guide rod and a compression spring, the sealing block guide rod is a telescopic rod assembly formed by a guide rod and a guide cylinder which are sleeved with each other, the compression spring is sleeved outside the sealing block guide rod, and two ends of the compression spring are respectively in pressing contact with the inner end of the screw 102 and the sealing block 104, a constriction 91 is integrally formed on the inner wall of the oil inlet channel in the anti-reflux barrel holder 9, and under the, the sealing block 104 is tightly attached to the sealing necking 91 to prevent the fuel oil inside the fuel tank body 1 from flowing backwards, and the pressing force of the sealing block 104 on the necking 91 can be adjusted by rotating and tightening the screw 102.
Referring to fig. 2 and 3, an oil pressure sensor 13 and a temperature sensor 14 are disposed in the middle of the outer wall of the oil tank body 1, the detecting ends of the oil pressure sensor 13 and the temperature sensor 14 penetrate into the oil tank body 1, the oil pressure sensor 13 is used for detecting the internal pressure of the oil storage cavity of the oil tank body 1, the temperature sensor 14 detects the internal temperature of the oil storage cavity of the oil tank body 1, and laser displacement sensors 15 are disposed above the two ends of the inner wall of the oil tank body 1, and the detection end of the laser displacement sensor 15 points to one side close to the sealing plate 6, the laser displacement sensor 15 is used for detecting the positions of the two sealing plates 6 in the oil tank body 1, the calculation is carried out by combining the existing computer technology, the volume of the oil storage cavity of the oil tank body 1 can be known, and the liquid level height of the fuel oil in the oil storage cavity can be calculated by combining the pressure data detected by the oil pressure sensor 13.
The working principle is as follows: as shown in fig. 2, in the use process of fuel oil, the electromagnetic telescopic rod 3 is controlled to work, and the telescopic rod of the electromagnetic telescopic rod 3 is matched to extend and feed, so that the two sealing plates 6 clamp the oil storage cavity, the fuel oil in the oil storage cavity is always in a high liquid level state, and the stable oil outlet of the oil outlet pipe body 8 is ensured; by closing the electromagnetic oil inlet valve 11 and opening the electromagnetic exhaust valve 12 and matching with the clamping of the two sealing plates 6, the air in the oil storage cavity in the oil tank body 1 can be discharged, and the fluctuation of fuel oil in the oil storage cavity is effectively reduced; oil pressure sensor 13 that 1 outer wall middle part of oil tank body was equipped with is used for detecting the internal pressure in the oil storage chamber of oil tank body 1, be equipped with temperature sensor 14 owing to detect the inside temperature in the oil storage chamber of oil tank body 1, laser displacement sensor 15 that the top at 1 inner wall both ends of oil tank body was equipped with is used for detecting two closing plates 6 in the position of 1 inside of oil tank body, combine current computer technology to calculate, can know the oil storage chamber volume of oil tank body 1, combine the pressure data that oil pressure sensor 13 surveyed, can calculate out the inside fuel liquid level height in oil storage chamber.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. An anti-surge device for an aircraft fuel tank, comprising a fuel tank body (1), characterized in that: the oil tank comprises an oil tank body (1), oil tank covers (2) are fixedly connected to ports on two sides of the oil tank body (1) through bolts, electromagnetic telescopic rods (3) are fixedly arranged on outer side walls of the two oil tank covers (2), telescopic rods of the electromagnetic telescopic rods (3) penetrate into the oil tank body (1), a top plate (4) is arranged at the end portion of each telescopic rod of the oil tank body (1), a sealing plate (6) is connected to the inner side wall of the top plate (4) through a sealing plate connecting rod group (5), an oil inlet pipe body (7) is arranged at the upper middle end of the oil tank body (1), an oil outlet pipe body (8) is arranged below the middle of the oil tank body (1), a horizontal anti-backflow barrel seat (9) is integrally formed in the middle of the oil inlet pipe body (7), an oil inlet channel is arranged inside the anti-backflow barrel seat (9), an anti-backflow component (10) is arranged in the oil inlet channel, and an electromagnetic oil inlet valve (, the upper port of the oil inlet pipe body (7) is connected with an electromagnetic exhaust valve (12).
2. An aircraft fuel tank anti-surge device according to claim 1, wherein: the sealing plate connecting rod group (5) comprises a sealing plate guide rod piece (51) and an extension spring (52), the sealing plate guide rod piece (51) is a telescopic rod assembly formed by an inner sliding rod and an outer sleeve which are sleeved with each other, the extension spring (52) is sleeved outside the sealing plate guide rod piece (51), and two ends of the extension spring (52) are respectively connected with the side walls of the top plate (4) and the sealing plate (6).
3. An aircraft fuel tank anti-surge device according to claim 1, wherein: the outer wall of the sealing plate (6) is matched with the inside of the oil tank body (1) to be in sliding contact, 2-3 piston ring grooves are formed in the outer wall of the sealing plate (6), and piston rings are arranged in the piston ring grooves.
4. An aircraft fuel tank anti-surge device according to claim 1, wherein: the anti-reflux component (10) comprises a pressure cap (101), a screw rod (102), a sealing block connecting rod group (103) and a sealing block (104), one end of the anti-reflux barrel base (9) is connected with the pressure cap (101) through a thread, the middle of the pressure cap (101) is in threaded connection with the screw rod (102) which is coaxial with an oil inlet channel inside the anti-reflux barrel base (9), and the inner end of the screw rod (102) is connected with the sealing block (104) through the sealing block connecting rod group (103).
5. An aircraft fuel tank anti-surge device according to claim 4, wherein: a necking opening (91) is integrally formed in the inner wall of the oil inlet channel in the anti-backflow barrel seat (9), and the sealing block (104) is tightly attached to the position of the sealing necking opening (91).
6. An aircraft fuel tank anti-surge device according to claim 4, wherein: the sealing block connecting rod group (103) is composed of a sealing block guide rod piece and a compression spring, the sealing block guide rod piece is a telescopic rod component formed by mutually sleeving a guide rod and a guide cylinder, the compression spring is sleeved outside the sealing block guide rod piece, and two ends of the compression spring are respectively in jacking contact with the inner end of the screw rod (102) and the sealing block (104).
7. An aircraft fuel tank anti-surge device according to claim 1, wherein: the oil tank is characterized in that an oil pressure sensor (13) and a temperature sensor (14) are arranged in the middle of the outer wall of the oil tank body (1), and detection ends of the oil pressure sensor (13) and the temperature sensor (14) penetrate into the oil tank body (1).
8. An aircraft fuel tank anti-surge device according to claim 1, wherein: the upper portions of two ends of the inner wall of the oil tank body (1) are respectively provided with a laser displacement sensor (15), and the detection end of the laser displacement sensor (15) points to one side close to the sealing plate (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010080485.5A CN111232230B (en) | 2020-02-05 | 2020-02-05 | Oil tank anti-fluctuation device of aircraft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010080485.5A CN111232230B (en) | 2020-02-05 | 2020-02-05 | Oil tank anti-fluctuation device of aircraft |
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| Publication Number | Publication Date |
|---|---|
| CN111232230A true CN111232230A (en) | 2020-06-05 |
| CN111232230B CN111232230B (en) | 2020-12-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010080485.5A Active CN111232230B (en) | 2020-02-05 | 2020-02-05 | Oil tank anti-fluctuation device of aircraft |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113753244A (en) * | 2021-11-08 | 2021-12-07 | 杭州非白三维科技有限公司 | Mechanical fuel oil gravity center control oil tank |
| CN115489742A (en) * | 2022-10-27 | 2022-12-20 | 芜湖中科飞机制造有限公司 | Fuel oil anti-shaking mechanism for trainer |
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| CN201257297Y (en) * | 2008-07-28 | 2009-06-17 | 耿国庆 | Oil-gas separation centering navigation model oil-tank |
| CN202266526U (en) * | 2011-10-21 | 2012-06-06 | 南京晨光集团有限责任公司 | Double parallel connection pressurizing oil tank for space flight servo mechanism |
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| CN113753244A (en) * | 2021-11-08 | 2021-12-07 | 杭州非白三维科技有限公司 | Mechanical fuel oil gravity center control oil tank |
| CN115489742A (en) * | 2022-10-27 | 2022-12-20 | 芜湖中科飞机制造有限公司 | Fuel oil anti-shaking mechanism for trainer |
| CN115489742B (en) * | 2022-10-27 | 2024-08-09 | 芜湖中科飞机制造有限公司 | Fuel oil anti-shaking mechanism for training machine |
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| CN111232230B (en) | 2020-12-22 |
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