CN112027102A - Ground oil supply device and method for keeping takeoff center of airplane - Google Patents
Ground oil supply device and method for keeping takeoff center of airplane Download PDFInfo
- Publication number
- CN112027102A CN112027102A CN202010912060.6A CN202010912060A CN112027102A CN 112027102 A CN112027102 A CN 112027102A CN 202010912060 A CN202010912060 A CN 202010912060A CN 112027102 A CN112027102 A CN 112027102A
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- Prior art keywords
- aircraft
- ground
- oil supply
- ground oil
- tank
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- 238000000034 method Methods 0.000 title claims abstract description 12
- 239000002828 fuel tank Substances 0.000 claims abstract description 25
- 239000000446 fuel Substances 0.000 claims abstract description 18
- 239000003921 oil Substances 0.000 claims description 126
- 239000000295 fuel oil Substances 0.000 claims description 11
- 238000000926 separation method Methods 0.000 claims 1
- 230000005484 gravity Effects 0.000 abstract description 15
- 238000002360 preparation method Methods 0.000 abstract description 5
- 239000002184 metal Substances 0.000 description 2
- 210000002445 nipple Anatomy 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64F—GROUND OR AIRCRAFT-CARRIER-DECK INSTALLATIONS SPECIALLY ADAPTED FOR USE IN CONNECTION WITH AIRCRAFT; DESIGNING, MANUFACTURING, ASSEMBLING, CLEANING, MAINTAINING OR REPAIRING AIRCRAFT, NOT OTHERWISE PROVIDED FOR; HANDLING, TRANSPORTING, TESTING OR INSPECTING AIRCRAFT COMPONENTS, NOT OTHERWISE PROVIDED FOR
- B64F1/00—Ground or aircraft-carrier-deck installations
- B64F1/28—Liquid-handling installations specially adapted for fuelling stationary aircraft
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Aviation & Aerospace Engineering (AREA)
- Loading And Unloading Of Fuel Tanks Or Ships (AREA)
Abstract
The application belongs to the field of airplane general design, and particularly relates to a ground oil supply device and method for keeping the takeoff center of an airplane, wherein the device comprises: aircraft tank, aircraft tank breather pipe, electromechanical magnet, ground fuel feeding joint and ground oil tank. One end of the aircraft fuel tank vent pipe is connected with the aircraft fuel tank, and the other end of the aircraft fuel tank vent pipe is provided with an upper organic electromagnet; one end of the ground oil supply pipe is connected with the ground oil tank, and the other end of the ground oil supply pipe is provided with a ground oil supply joint; the ground oil supply joint is in contact with the onboard electromagnet, magnetic force is generated when the onboard electromagnet is powered on to attract the ground oil supply joint, the ground oil supply pipe is communicated with the aircraft fuel tank breather pipe, the magnetic force disappears when the onboard electromagnet is powered off to be separated from the ground oil supply joint, and the ground oil supply pipe is separated from the aircraft fuel tank breather pipe. The aircraft effectively supplies oil through the ground oil tank in the ground preparation stage, so that the change of the center of gravity of the aircraft is reduced, the distance between a rocket thrust line of the rocket boosting aircraft and the center of gravity of the aircraft is ensured, and the flight safety of the aircraft is improved.
Description
Technical Field
The application belongs to the field of airplane general design, and particularly relates to a ground oil supply device and method for keeping the takeoff center of an airplane.
Background
The aircraft launched by the rocket has strict requirements on the distance between the center of gravity and the thrust line of the rocket, and the change of the center of gravity beyond the specified range affects the flight safety. In the ground preparation process, fuel consumed by the operation of the engine can bring about the change of the gravity center of the airplane, and the working time of the engine needs to be controlled so as to ensure that the change of the gravity center is small, even the flight needs to be cancelled, and the trial flight progress of the airplane is seriously influenced.
Accordingly, a technical solution is desired to overcome or at least alleviate at least one of the above-mentioned drawbacks of the prior art.
Disclosure of Invention
The application aims to provide a ground oil supply device and method for maintaining takeoff gravity center of an airplane so as to solve at least one problem in the prior art.
The technical scheme of the application is as follows:
a first aspect of the present application provides a ground fuel supply apparatus for maintaining a takeoff center of gravity of an aircraft, comprising:
aircraft fuel tanks;
one end of the aircraft fuel tank vent pipe is connected with the aircraft fuel tank, and the other end of the aircraft fuel tank vent pipe is provided with an upper organic electromagnet;
a ground oil tank;
one end of the ground oil supply pipe is connected with the ground oil tank, and the other end of the ground oil supply pipe is provided with a ground oil supply joint;
the ground oil supply joint is in contact with the onboard electromagnet, when the onboard electromagnet is powered on, magnetic force is generated to attract the ground oil supply joint, the ground oil supply pipe is communicated with the aircraft oil tank breather pipe through the ground oil supply joint, when the onboard electromagnet is powered off, the magnetic force disappears and is separated from the ground oil supply joint, and the ground oil supply pipe is separated from the aircraft oil tank breather pipe.
Optionally, the onboard electromagnet is disposed on an inner side of a lower surface of the aircraft, and the ground oil supply joint is disposed on an outer side of the corresponding lower surface of the aircraft.
The second aspect of the present application provides a ground oil supply method for maintaining the takeoff center of gravity of an aircraft, based on the ground oil supply device for maintaining the takeoff center of an aircraft as described above, including:
after an aircraft engine is started, the power supply of an on-board electromagnet is switched on, the on-board electromagnet is attracted with a ground oil supply joint, a ground oil supply pipe is communicated with an aircraft oil tank vent pipe through the ground oil supply joint, after fuel oil in an aircraft oil tank is sucked out by an oil supply pump, the pressure in the aircraft oil tank is reduced, the fuel oil in the ground oil tank reaches the ground oil supply joint through the ground oil supply pipe and then enters the aircraft oil tank through the aircraft oil tank vent pipe, and the aircraft oil tank is ensured to be full of oil;
when the airplane is ready to take off, the power supply of the electromagnet on the airplane is cut off, and the ground oil supply joint automatically falls off.
Optionally, the ground fuel tap is screwed to the outer side of the lower surface of the aircraft before the aircraft engine is started, and the screw for fixing the ground fuel tap is removed after the aircraft engine is started.
The invention has at least the following beneficial technical effects:
according to the ground oil supply device for keeping the takeoff center of the airplane, the airplane can be effectively supplied with oil through the ground oil tank in the ground preparation stage, the change of the center of gravity of the airplane is reduced, the distance between a rocket thrust line of the rocket-assisted airplane and the center of gravity of the airplane is ensured, the flight safety of the airplane is improved, the air flight time of the airplane can be properly increased, the ground oil supply is automatically separated when the airplane takes off, and no additional operation is needed.
Drawings
FIG. 1 is a schematic view of a ground fueling apparatus for maintaining the aircraft takeoff center of gravity according to one embodiment of the present application.
Wherein:
1-aircraft fuel tank; 2-aircraft tank vent pipe; 3-an electromechanical magnet; 4-a ground oil supply joint; 5-ground oil supply pipe; 6-ground oil tank; 7-lower surface of the aircraft.
Detailed Description
In order to make the implementation objects, technical solutions and advantages of the present application clearer, the technical solutions in the embodiments of the present application will be described in more detail below with reference to the drawings in the embodiments of the present application. In the drawings, the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The described embodiments are a subset of the embodiments in the present application and not all embodiments in the present application. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present application and should not be construed as limiting the present application. 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 application. Embodiments of the present application will be described in detail below with reference to the accompanying drawings.
In the description of the present application, it is to be understood that the terms "center", "longitudinal", "lateral", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience in describing the present application and for simplifying the description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed in a particular orientation, and be operated, and therefore should not be construed as limiting the scope of the present application.
The present application is described in further detail below with reference to fig. 1.
A first aspect of the present application provides a ground fuel supply apparatus for maintaining a takeoff center of gravity of an aircraft, comprising: the aircraft fuel tank comprises an aircraft fuel tank 1, an aircraft fuel tank vent pipe 2, an onboard electromagnet 3, a ground fuel supply connector 4 and a ground fuel tank 6.
Specifically, one end of an aircraft fuel tank vent pipe 2 is connected with an aircraft fuel tank 1, an onboard electromagnet 3 is arranged at the other end of the aircraft fuel tank vent pipe 2, one end of a ground oil supply pipe 5 is connected with a ground fuel tank 6, and the other end is provided with a ground oil supply connector 4. The ground oil supply connector 4 is made of metal, one end of the ground oil supply connector 4 is in contact with the onboard electromagnet 3, magnetic force is generated when the onboard electromagnet 3 is powered on, the ground oil supply connector 4 is attracted, the ground oil supply pipe 5 can be communicated with the aircraft tank breather pipe 2 through the ground oil supply connector 4, the magnetic force disappears when the onboard electromagnet 3 is powered off, and the ground oil supply pipe 5 is separated from the aircraft tank breather pipe 2.
In one embodiment of the application, the onboard electromagnet 3 is arranged inside the lower aircraft surface 7 and the ground oil feed 4 is arranged outside the corresponding lower aircraft surface 7.
A second aspect of the present application provides a ground oil supply method for maintaining a takeoff center of gravity of an aircraft, based on the above ground oil supply device for maintaining the takeoff center of the aircraft, including:
after an aircraft engine is started, the power supply of an on-board electromagnet 3 is switched on, the on-board electromagnet 3 is attracted with a ground oil supply joint 4, a ground oil supply pipe 5 is communicated with an aircraft oil tank vent pipe 2 through the ground oil supply joint 4, when fuel oil in an aircraft oil tank 1 is sucked out by an oil supply pump, the pressure in the aircraft oil tank 1 is reduced, the fuel oil in a ground oil tank 6 reaches the ground oil supply joint 4 through the ground oil supply pipe 5 and then enters the aircraft oil tank 1 through the aircraft oil tank vent pipe 2, and the aircraft oil tank 1 is ensured to be full of the fuel oil;
when the airplane is ready to take off, the power supply of the electromagnet 3 on the airplane is cut off, and the ground oil supply joint 4 automatically falls off.
In one embodiment of the application, the ground fuel nipple 4 is preferably screwed to the lower surface 7 of the aircraft before the start of the aircraft engine, and the screw fixing the ground fuel nipple 4 is removed after the start of the aircraft engine.
According to the ground oil supply device and method for keeping the takeoff center of the airplane, before the airplane is launched, the airplane oil tank 1 is communicated with the ground oil tank 6 through the airplane oil tank vent pipe 2 and the ground oil supply pipe 5, the airplane is supplied with oil through the ground oil tank 6, the ground oil supply pipe 5 automatically drops when the airplane takes off, and the takeoff center of the airplane is kept. Before this application is electrified for electromechanical magnet 3, aircraft tank breather pipe 2 and ground fuel feeding joint 4 switch-on, ground fuel feeding joint 4 is connected with the aircraft lower surface 7 outside through two screws. The other end of the ground oil supply joint 4 is connected with a ground oil supply pipe 5, the aircraft oil tank 1 is sealed, and because the aircraft oil tank 1 is in a full oil state, after the oil is absorbed by an onboard oil pump, the pressure in the oil tank is reduced, and the fuel oil in the ground oil tank 6 is pressed into the aircraft oil tank 1 through the ground oil supply pipe 5 and the aircraft oil tank vent pipe 2 by atmospheric pressure to supply oil to the aircraft. The ground oil supply joint 4 is made of metal, the electromagnet 3 is arranged at a corresponding position on the inner side of the lower surface 7 of the airplane, the electromagnet 3 is electrified after the airplane is electrified, the electromagnet generates magnetic force to attract the ground oil supply joint 4, at the moment, a screw connected with the ground oil supply joint 4 and the airplane can be detached, the electromagnet 3 is electrified when the ground preparation of the airplane is finished, and the ground oil supply joint 4 automatically falls off. The fuel oil in the ground fuel tank 1 is ensured to be used in the ground preparation stage, and the aircraft fuel tank 1 is ensured to be in a full-oil state all the time.
The ground oil supply device and the method for keeping the takeoff center of the airplane enable the airplane to supply oil through the ground oil tank before the airplane takes off in an ejection mode, do not consume fuel oil on the airplane, automatically cut off the ground oil supply after the airplane takes off, recover the oil supply on the airplane, ensure that the distance between the center of gravity of the airplane and a rocket thrust line meets the control requirement in the rocket boosting flying process, ensure the flying safety of the airplane, properly increase the air flying time of the airplane, automatically separate the ground oil supply when the airplane takes off, and do not need to increase additional operation. This application simple structure, the practicality is strong.
The above description is only for the specific embodiments of the present application, but the scope of the present application is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present application should be covered within the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.
Claims (4)
1. A ground fuel supply apparatus for maintaining the takeoff center of an aircraft, comprising:
an aircraft fuel tank (1);
one end of the aircraft fuel tank vent pipe (2) is connected with the aircraft fuel tank (1), and the other end of the aircraft fuel tank vent pipe is provided with an organic upper electromagnet (3);
a ground fuel tank (6);
the ground oil supply pipe (5), one end of the ground oil supply pipe (5) is connected with the ground oil tank (6), and the other end of the ground oil supply pipe is provided with a ground oil supply joint (4);
wherein, ground fuel feeding connects (4) with on-board electromagnet (3) contact, works as on-board electromagnet (3) produces magnetic force when switching on the power supply, will ground fuel feeding connects (4) is inhaled, ground fuel feeding pipe (5) pass through ground fuel feeding connects (4) with aircraft oil tank breather pipe (2) intercommunication, works as magnetic force disappears when on-board electromagnet (3) cut off the power supply, with ground fuel feeding connects (4) breaks away, ground fuel feeding pipe (5) with aircraft oil tank breather pipe (2) separation.
2. The ground oil supply device for maintaining the takeoff center of an aircraft as claimed in claim 1, wherein the onboard electromagnet (3) is arranged on the inner side of the lower surface (7) of the aircraft, and the ground oil supply joint (4) is arranged on the outer side of the corresponding lower surface (7) of the aircraft.
3. A ground oil supply method for maintaining the takeoff center of an aircraft, which is based on the ground oil supply device for maintaining the takeoff center of the aircraft as claimed in any one of claims 1 to 2, and is characterized by comprising the following steps:
after an aircraft engine is started, the power supply of an on-board electromagnet (3) is switched on, the on-board electromagnet (3) is attracted with a ground oil supply joint (4), a ground oil supply pipe (5) is communicated with an aircraft oil tank vent pipe (2) through the ground oil supply joint (4), when fuel oil in an aircraft oil tank (1) is sucked out by an oil supply pump, the pressure in the aircraft oil tank (1) is reduced, the fuel oil in a ground oil tank (6) reaches the ground oil supply joint (4) through the ground oil supply pipe (5), and then enters the aircraft oil tank (1) through the aircraft oil tank vent pipe (2), so that the aircraft oil tank (1) is full of fuel oil;
when the airplane is ready to take off, the power supply of the electromagnet (3) on the airplane is cut off, and the ground oil supply joint (4) automatically falls off.
4. The ground oil supply method for maintaining the takeoff center of the aircraft as claimed in claim 3, wherein the ground oil supply joint (4) is fixed outside the lower surface (7) of the aircraft by screws before the start of the aircraft engine, and the screws for fixing the ground oil supply joint (4) are removed after the start of the aircraft engine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010912060.6A CN112027102A (en) | 2020-09-02 | 2020-09-02 | Ground oil supply device and method for keeping takeoff center of airplane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010912060.6A CN112027102A (en) | 2020-09-02 | 2020-09-02 | Ground oil supply device and method for keeping takeoff center of airplane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112027102A true CN112027102A (en) | 2020-12-04 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010912060.6A Pending CN112027102A (en) | 2020-09-02 | 2020-09-02 | Ground oil supply device and method for keeping takeoff center of airplane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112027102A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023056516A1 (en) * | 2021-10-07 | 2023-04-13 | Australian Aeronautics Pty Ltd. | Hybrid drone, base station and methods therefor |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110042520A1 (en) * | 2008-02-07 | 2011-02-24 | Airbus Operations Gmbh | Aircraft Tank System, Refueling Unit And Method For Refueling An Aircraft |
| CN102128343A (en) * | 2010-12-30 | 2011-07-20 | 上海大学 | Retractable type high-altitude oil filling device |
| CN105366070A (en) * | 2015-11-26 | 2016-03-02 | 中国航空工业集团公司沈阳飞机设计研究所 | Aircraft ground lubricating oil pressure refueling device |
| CN207437991U (en) * | 2017-11-27 | 2018-06-01 | 绵阳历泰机械制造有限公司 | A kind of fuel oil quick-release connector |
| CN207474191U (en) * | 2017-11-28 | 2018-06-08 | 酒泉钢铁(集团)有限责任公司 | A kind of intelligence quick connector |
| CN110713162A (en) * | 2019-09-23 | 2020-01-21 | 南京信息工程大学 | Unmanned ship is oiling device independently |
| CN210806183U (en) * | 2019-07-11 | 2020-06-19 | 湖南山河科技股份有限公司 | Automatic standby power supply interface and unmanned aerial vehicle of threading off |
-
2020
- 2020-09-02 CN CN202010912060.6A patent/CN112027102A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110042520A1 (en) * | 2008-02-07 | 2011-02-24 | Airbus Operations Gmbh | Aircraft Tank System, Refueling Unit And Method For Refueling An Aircraft |
| CN102128343A (en) * | 2010-12-30 | 2011-07-20 | 上海大学 | Retractable type high-altitude oil filling device |
| CN105366070A (en) * | 2015-11-26 | 2016-03-02 | 中国航空工业集团公司沈阳飞机设计研究所 | Aircraft ground lubricating oil pressure refueling device |
| CN207437991U (en) * | 2017-11-27 | 2018-06-01 | 绵阳历泰机械制造有限公司 | A kind of fuel oil quick-release connector |
| CN207474191U (en) * | 2017-11-28 | 2018-06-08 | 酒泉钢铁(集团)有限责任公司 | A kind of intelligence quick connector |
| CN210806183U (en) * | 2019-07-11 | 2020-06-19 | 湖南山河科技股份有限公司 | Automatic standby power supply interface and unmanned aerial vehicle of threading off |
| CN110713162A (en) * | 2019-09-23 | 2020-01-21 | 南京信息工程大学 | Unmanned ship is oiling device independently |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023056516A1 (en) * | 2021-10-07 | 2023-04-13 | Australian Aeronautics Pty Ltd. | Hybrid drone, base station and methods therefor |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20201204 |
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| RJ01 | Rejection of invention patent application after publication |