CN112173066A - Turnover hidden type gunship wing - Google Patents
Turnover hidden type gunship wing Download PDFInfo
- Publication number
- CN112173066A CN112173066A CN202011021126.9A CN202011021126A CN112173066A CN 112173066 A CN112173066 A CN 112173066A CN 202011021126 A CN202011021126 A CN 202011021126A CN 112173066 A CN112173066 A CN 112173066A
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- China
- Prior art keywords
- gunship
- helicopter
- short wing
- flipper
- short
- 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.)
- Pending
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- 230000007306 turnover Effects 0.000 title description 2
- 230000007246 mechanism Effects 0.000 claims abstract description 18
- 230000007704 transition Effects 0.000 claims abstract description 18
- 230000002441 reversible effect Effects 0.000 claims abstract description 12
- 230000008859 change Effects 0.000 claims description 4
- 238000006073 displacement reaction Methods 0.000 claims description 3
- 238000012549 training Methods 0.000 claims description 3
- 238000013461 design Methods 0.000 abstract description 4
- 238000012423 maintenance Methods 0.000 description 5
- 230000033001 locomotion Effects 0.000 description 4
- 230000035899 viability Effects 0.000 description 3
- 238000007689 inspection Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 239000002828 fuel tank Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C3/00—Wings
- B64C3/38—Adjustment of complete wings or parts thereof
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C3/00—Wings
- B64C3/38—Adjustment of complete wings or parts thereof
- B64C3/56—Folding or collapsing to reduce overall dimensions of aircraft
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Aviation & Aerospace Engineering (AREA)
- Aiming, Guidance, Guns With A Light Source, Armor, Camouflage, And Targets (AREA)
Abstract
The invention belongs to the technical field of rotor wing pneumatic design and discloses a reversible hidden type gunship short wing. The method comprises the following steps: the device comprises a telescopic connecting beam, a transition section, a connecting shaft, a short wing body, a locking mechanism and a three-axis hydraulic electric cylinder; when the helicopter is normally trained and cruises, the short wings are closed to be attached to the helicopter body to form a part of the helicopter body structure, the helicopter becomes a structure without the short wings, and the appearance is streamlined, smooth and flat. When the helicopter enters a fighting mode, the locking mechanism is opened, the three-axis hydraulic electric cylinder turns the short wing of the helicopter upwards by 90 degrees around the fixed shaft, and when the short wing is placed in a horizontal state of the helicopter body, weapon ammunition below the hook can attack an enemy target under the control of a pilot. After the attack task is finished, the short wing is quickly folded, and the battlefield is quickly separated.
Description
Technical Field
The invention belongs to the technical field of rotor wing pneumatic design, and particularly relates to a reversible hidden type gunship short wing.
Background
The short wing of the helicopter is a structure used for mounting in the middle or in the middle front part of a helicopter body, can be generally used for hanging a secondary fuel tank, a rocket projectile, a missile, an interference device and the like, and can also be used for unloading a rotor wing to provide a counter-lift force for the helicopter. When the device is parked on the ground, the device can be used as a boarding pedal of a crew member, and the maintenance operation of the crew member is facilitated. The design of the short wing of the existing helicopter is that a short wing box section is connected to a helicopter body, a part of structure extends out of the left side and the right side of the helicopter body respectively, and the short wing is of a fixed structure;
the short wing of the armed helicopter is mainly used for mounting, is short and is fixed on two sides of the fuselage, the flight resistance is increased when the external weapon equipment below the short wing of the helicopter flies forward, the flight speed is reduced, the rotor wing downwash airflow hits the upper part of the short wing, the negative lift component is provided for the helicopter, the flight load of the helicopter is increased, and the required power for the engine is improved. Currently, for the new generation of armed helicopters, certain requirements are placed on the flight speed of the helicopter and the reduction of the radar detectability cross section in order to provide the battlefield viability thereof, which are obviously not met according to the current short wing structure.
Disclosure of Invention
The purpose of the invention is as follows: the invention designs a reversible hidden type short wing, which is closed to be attached to a helicopter body to form a part of the helicopter body structure when in normal training and cruising flight, and the helicopter is changed into a structure without the short wing, and has a streamlined appearance, and is smooth and flat. When the helicopter enters a fighting mode, the locking mechanism is opened, the three-axis hydraulic electric cylinder turns the short wing of the helicopter upwards by 90 degrees around the fixed shaft, and when the short wing is placed in a horizontal state of the helicopter body, weapon ammunition below the hook can attack an enemy target under the control of a pilot. After the attack task is finished, the short wing is quickly folded, and the battlefield is quickly separated.
The technical scheme of the invention is as follows:
a reversible concealed gunship flipper, the gunship flipper comprising:
the device comprises a telescopic connecting beam 2, a transition section 3, a connecting shaft 4, a short wing body 5, a locking mechanism 7 and a three-axis hydraulic electric cylinder 8;
one end of the telescopic connecting beam 2 is fixedly connected to a fixed structure of the gunship body 1; the other end of the telescopic connecting beam 2 is connected with one end of the transition section 3;
the connecting shaft 4 is movably connected to the other end of the transition section 3;
one end of the short wing body 5 is fixedly connected to the connecting shaft 4;
the latch hook of the locking mechanism 7 is connected with the other end of the short wing body 5;
the lock catch of the locking mechanism 7 is fixedly connected to the body of the armed helicopter;
the triaxial hydraulic electric cylinder 8 is fixed on a gunship fuselage girder, and three shafts of the triaxial hydraulic electric cylinder 8 are connected on the short wing body 5.
The technical scheme of the invention has the characteristics and further improvements that:
(1) the helicopter pony wing further comprises: and the plurality of weapon hook catches 6 are respectively arranged on the short wing body 5.
(2) Scalable tie-beam 2 contains three at least tie-beams, and every tie-beam one end is provided with but hydraulic servo steering wheel for the tie-beam that the control corresponds is flexible.
(3) And the transition section 3 is used for transferring the aerodynamic load on the short wing body 5 to the fuselage of the armed helicopter.
(4) And the three-axis hydraulic electric cylinder 8 is used for controlling the turning of the short wing body by controlling the stroke change of a hydraulic telescopic arm of the three-axis electric cylinder.
(5) When in normal training and cruising flight state, the short wing 5 is closed to be attached to the gunship body 1 of the armed helicopter to form a part of the body structure, and the helicopter becomes a structure without the short wing, and has a streamline appearance.
(6) When the helicopter enters a fighting mode, the locking mechanism 7 is opened, the connecting beam 2 and the servo steering engine are extended outwards for fixed displacement, the short wing body is turned upwards by 90 degrees around the fixed shaft 4 by the three-axis hydraulic electric cylinder 8, the short wing body is placed in a horizontal state of the helicopter body, and weapon ammunition below the hook 6 attacks an enemy target under the control of a pilot. .
The invention has the beneficial effects that:
according to the reversible hidden type armed helicopter short wing provided by the technical scheme, when the armed helicopter flies in a cruising mode, the short wing is hidden to the helicopter body, the helicopter is of a structure without the short wing, the outer part of the helicopter is of a streamline structure, the flying resistance of the helicopter is reduced, and therefore the flying speed of the helicopter can be increased. The armed helicopter is used for hanging the missile and flying, and can confuse external targets when the short wings are folded to the fuselage, so that the types and the number of the carried weapons are not easy to find, the armed helicopter flies at high altitude and night, the detectable cross section of the radar can be reduced, the detectability of the radar is reduced, the battlefield viability is improved, and the battle attack task can be carried out more concealably. When the armed helicopter without the short wing is parked in a hangar with limited space or on an aircraft carrier, the armed helicopter without the short wing does not additionally occupy the parking space, so that the space is saved for parking more equipment. When the short wing overturns to the state horizontal with the fuselage, the ground service maintenance task can directly get into the interior maintenance inspection work of carrying out erection equipment of helicopter fuselage through this mouth, and is simple and convenient, has avoided additionally increasing in other regions of fuselage and has maintained the flap.
Drawings
FIG. 1 is a schematic view of a closed configuration of a flippable concealed gunship winglet according to an embodiment of the present invention;
FIG. 2 is a schematic view of an open configuration of a flippable concealed gunship winglet according to an embodiment of the present invention;
fig. 3 is an isometric view of an open configuration of a flippable concealed gunship flipper wing according to an embodiment of the present invention.
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.
The embodiment of the invention provides a reversible hidden type armed helicopter stub, wherein a stub body 5 is closed to be attached to a fuselage 1 to form a part of the fuselage structure when the helicopter is normally trained and navigated, and as shown in figure 1, the helicopter is changed into a structure without stub, and the appearance of the helicopter is streamlined, smooth and flat. When the helicopter enters a fighting mode, as shown in fig. 2, after the locking mechanism 7 is opened and the connecting beam and the servo steering engine 2 are extended outwards for a small fixed displacement, the short wing of the helicopter is upwards overturned by 90 degrees around the fixed shaft 4 by the three-axis hydraulic electric cylinder 8 and is placed in a horizontal state of the helicopter body, weapon ammunition below the ammunition hook 6 can attack an enemy target under the control of a pilot. After the attack task is finished, the short wing is quickly folded, and the battlefield is quickly separated. As shown in figure 3, an isometric view of the tab when open.
The reversible hidden type short wing is adopted on the left side and the right side of the helicopter, the short wing structure is closed during cruising flight and is changed into a part of the appearance of the fuselage structure, when a combat target needs to be struck, the short wing can be turned over and opened, and weapons and ammunition below the short wing are controlled by a pilot to attack a ground target.
The short wing and the fuselage connection position of armed helicopter are the changeover portion, and the changeover portion passes through the girder with the fuselage and is connected, is the main load-carrying mechanism of changeover portion to can control its lateral motion through adjusting its stroke through hydraulic servo steering engine, thereby control its concertina movement.
The short wing of the armed helicopter is hinged with the transition section through a fixed shaft, and the shaft can limit the course and the lateral movement of the shaft but cannot limit the overturning movement of the shaft; a weapon hook is arranged in the middle area of the short wing and used for mounting a weapon; the edge area of the short wing is provided with a locking mechanism, when the short wing is folded, the locking mechanism is tightly connected with a structural lock installed on the machine body, and the locking mechanism can control the locking and the unlocking of the short wing.
The three-axis hydraulic electric cylinder is arranged between the fuselage of the armed helicopter and the short wing, the three-axis hydraulic electric cylinder controls the stroke change of the hydraulic telescopic arm of the three-axis hydraulic electric cylinder to control the turning of the short wing, and the short wing of the armed helicopter can be accurately controlled to be opened and closed.
The main force bearing frame of the armed helicopter body 1 extends to the outside of the body through 3 connecting beams 2 to form a transition section 3 between a short wing and the body, the connecting beams are main force bearing and force transmission mechanisms of the connecting beams, 3 hydraulic servo steering engines are designed at the connecting beams, and the servo steering engines can control the lateral extension of the connecting beams through a control system so as to control the extension of the transition section.
The transition section mainly comprises an L-shaped angle bar, a flange strip and a skin, and the skin is wrapped by rivets to form a whole streamline appearance structure. The other side of the transition section is connected with a helicopter short wing body 5 through a fixed connecting shaft 4, two ends of the fixed connecting shaft are connected with the connecting shaft through hinges, and the hinges can rotate around a shaft.
The short wings are fixedly connected with the hinges, and the load of the short wings can be transmitted to the transition section through the hinges and then transmitted to the frame beam structure of the airplane body through the transition section. The short wing mainly comprises a long purlin, a flange strip and an L-shaped angle section to form basic force transfer load, and is wrapped by a skin through rivets to form a whole streamline appearance structure. A certain number of bullet hanging hooks 6 and a short wing locking structure 7 are arranged below the short wing, the bullet hanging hooks can rotatably carry a certain number of weapons and ammunitions according to the task situation, one part of the locking structure is arranged below the short wing, the other part of the locking structure is arranged on the helicopter body, and when the two parts lean against each other, the short wing can be locked.
Set up triaxial hydraulic pressure electronic jar 8 between armed helicopter fuselage and aileron, the electronic jar of triaxial hydraulic pressure passes through main load mechanism and connects the fuselage girder, and operating personnel can control the upset of aileron through the stroke change of the hydraulic telescoping arm of the electronic jar of control triaxial, when hydraulic telescoping arm extension, outwards overturn the helicopter aileron and open, when the flexible arm shrink of helicopter hydraulic pressure, inwards overturn the closure with the helicopter aileron.
1. When the armed helicopter flies in cruising, the short wing is hidden to the helicopter body, and the helicopter is of a structure without the short wing, so that the outer part of the helicopter is of a streamline structure, the flight resistance of the helicopter is reduced, and the flight speed of the helicopter is increased.
2. The armed helicopter is used for hanging the missile and flying, and can confuse external targets when the short wings are folded to the fuselage, so that the types and the number of the carried weapons are not easy to find, the armed helicopter flies at high altitude and night, the detectable cross section of the radar can be reduced, the detectability of the radar is reduced, the battlefield viability is improved, and the battle attack task can be carried out more concealably.
3. When the armed helicopter without the short wing is parked in a hangar with limited space or on an aircraft carrier, the armed helicopter without the short wing does not additionally occupy the parking space, so that the space is saved for parking more equipment.
When the short wing overturns to the state horizontal with the fuselage, the ground service maintenance task can directly get into the interior maintenance inspection work of carrying out erection equipment of helicopter fuselage through this mouth, and is simple and convenient, has avoided additionally increasing in other regions of fuselage and has maintained the flap.
The foregoing is merely a detailed description of the embodiments of the present invention, and some of the conventional techniques are not detailed. The scope of the present invention is not limited thereto, and any changes or substitutions that can be easily made by those skilled in the art within the technical scope of the present invention will be covered by the scope of the present invention. The protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (8)
1. A reversible concealed gunship flipper, the flipper comprising:
the device comprises a telescopic connecting beam (2), a transition section (3), a short wing body (5), a locking mechanism (7) and a three-axis hydraulic electric cylinder (8);
one end of the telescopic connecting beam (2) is fixedly connected to a fixed structure of the gunship body (1); the other end of the telescopic connecting beam (2) is connected with one end of the transition section (3);
one end of the short wing body (5) is connected with the other end of the transition section (3);
a lock hook of the locking mechanism (7) is connected to the other end of the short wing body (5);
the lock catch of the locking mechanism (7) is fixedly connected to the body of the armed helicopter;
the three-axis hydraulic electric cylinder (8) is fixed on a frame girder of the gunship body, and three axes of the three-axis hydraulic electric cylinder (8) are connected on the short wing body (5).
2. The reversible recessed gunship flipper according to claim 1, wherein said gunship flipper further comprises: a connecting shaft (4); the short wing body (5) is connected to the transition section (3) through a connecting shaft (4);
the connecting shaft (4) is movably connected to the other end of the transition section (3);
one end of the short wing body (5) is fixedly connected to the connecting shaft (4).
3. The reversible recessed gunship flipper according to claim 1, wherein said gunship flipper further comprises: a plurality of weapon are hung the bullet hook (6), a plurality of weapon are hung bullet hook (6) and are set up respectively on quarter-wing body (5).
4. The flippable concealed gunship flipper of claim 1, wherein,
scalable tie-beam (2) contain three piece at least tie-beams, and every tie-beam one end is provided with but hydraulic servo steering wheel for the tie-beam that the control corresponds is flexible.
5. The flippable concealed gunship flipper of claim 1, wherein,
the transition section (3) is used for transferring the aerodynamic load on the short wing body (5) to the fuselage of the armed helicopter.
6. The flippable concealed gunship flipper of claim 1, wherein,
and the three-axis hydraulic electric cylinder (8) is used for controlling the turning of the short wing body by controlling the stroke change of a hydraulic telescopic arm of the three-axis electric cylinder.
7. A working principle of a reversible concealed gunship flipper according to claim 1, wherein during normal training and cruising flight conditions, the flipper (5) is closed to fit the gunship body (1) of the gunship to form a part of the fuselage structure, and the gunship becomes a structure without flipper and has a streamlined appearance.
8. A reversible hidden armed helicopter stub as claimed in claim 1 wherein when the helicopter enters into combat mode, after the locking mechanism (7) is opened and the connecting beam (2) and the servo steering engine are extended outward for fixed displacement, the three-axis hydraulic electric cylinder (8) turns the stub body up 90 ° around the fixed shaft (4) and places the stub body in the horizontal position of the fuselage, and the weapon ammunition under the hook (6) attacks the enemy target under the control of the pilot.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011021126.9A CN112173066A (en) | 2020-09-25 | 2020-09-25 | Turnover hidden type gunship wing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011021126.9A CN112173066A (en) | 2020-09-25 | 2020-09-25 | Turnover hidden type gunship wing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112173066A true CN112173066A (en) | 2021-01-05 |
Family
ID=73943973
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011021126.9A Pending CN112173066A (en) | 2020-09-25 | 2020-09-25 | Turnover hidden type gunship wing |
Country Status (1)
| Country | Link |
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| CN (1) | CN112173066A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113104208A (en) * | 2021-05-12 | 2021-07-13 | 成都航空职业技术学院 | Novel helicopter short wing and helicopter |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020088902A1 (en) * | 2001-01-05 | 2002-07-11 | Flight Refuelling Limited. | Releasable suspension for an airborne store |
| US20060113426A1 (en) * | 2002-08-05 | 2006-06-01 | Raphael Yoeli | Vtol vehicles |
| US20100096508A1 (en) * | 2008-07-10 | 2010-04-22 | Agusta S.P.A. | Aircraft and method of retrieving a rescue cradle into the aircraft fuselage |
| CN301853009S (en) * | 2010-12-15 | 2012-03-07 | 王明义 | Helicopter (short wing and cabin door can be interchanged) |
| EP2447156A1 (en) * | 2010-10-27 | 2012-05-02 | Eurocopter | Rotorcraft provided with hoisting means and associated method |
| CN103786871A (en) * | 2012-10-30 | 2014-05-14 | 波音公司 | Hinged raked wing tip |
| CN106585991A (en) * | 2016-11-30 | 2017-04-26 | 中国直升机设计研究所 | Comprehensively integrated helicopter suspended beam structure |
| US20180079482A1 (en) * | 2016-09-20 | 2018-03-22 | Bell Helicopter Textron Inc. | Modular Payload Systems for Aircraft |
| US20200140072A1 (en) * | 2018-11-07 | 2020-05-07 | Airbus Helicopters Deutschland GmbH | Compound helicopter with a fixed wing arrangement |
-
2020
- 2020-09-25 CN CN202011021126.9A patent/CN112173066A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020088902A1 (en) * | 2001-01-05 | 2002-07-11 | Flight Refuelling Limited. | Releasable suspension for an airborne store |
| US20060113426A1 (en) * | 2002-08-05 | 2006-06-01 | Raphael Yoeli | Vtol vehicles |
| US20100096508A1 (en) * | 2008-07-10 | 2010-04-22 | Agusta S.P.A. | Aircraft and method of retrieving a rescue cradle into the aircraft fuselage |
| EP2447156A1 (en) * | 2010-10-27 | 2012-05-02 | Eurocopter | Rotorcraft provided with hoisting means and associated method |
| CN301853009S (en) * | 2010-12-15 | 2012-03-07 | 王明义 | Helicopter (short wing and cabin door can be interchanged) |
| CN103786871A (en) * | 2012-10-30 | 2014-05-14 | 波音公司 | Hinged raked wing tip |
| US20180079482A1 (en) * | 2016-09-20 | 2018-03-22 | Bell Helicopter Textron Inc. | Modular Payload Systems for Aircraft |
| CN106585991A (en) * | 2016-11-30 | 2017-04-26 | 中国直升机设计研究所 | Comprehensively integrated helicopter suspended beam structure |
| US20200140072A1 (en) * | 2018-11-07 | 2020-05-07 | Airbus Helicopters Deutschland GmbH | Compound helicopter with a fixed wing arrangement |
Non-Patent Citations (1)
| Title |
|---|
| 上海机械工程学会, 上海交通大学出版社 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113104208A (en) * | 2021-05-12 | 2021-07-13 | 成都航空职业技术学院 | Novel helicopter short wing and helicopter |
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Application publication date: 20210105 |