CN209479975U - A kind of fixed wing aircraft connection undercarriage of safety and stability - Google Patents

Abstract

The utility model discloses a kind of fixed wing aircrafts of safety and stability to connect undercarriage, including properller and airframe, the properller is fixed on the front end middle position of airframe, the rear side two sides of the properller, which are located on airframe, is provided with illuminating lamp shade, pass through metallic piston bar, tire fixator, aircraft nose wheel tire, top connecting elements, the fixed front-wheel of aircraft composed by rear side concave bar and movable connecting rod can effectively buffer collision, metallic piston bar and tire fixator are when collision, shock dynamics is reduced by elasticity, to avoid, generation is worn and collision falls off.It is more convenient when fixed by tire fixator composed by fixed tire device, elastic rubber, metal fixed link and metal link block, there are fixing screws on fixed tire device, to play secondary fixation when connecting aircraft nose wheel tire, make fixation more secured, in this way so as to more stable when sliding.

Description

A kind of fixed wing aircraft connection undercarriage of safety and stability

Technical field

The invention belongs to related fixed wing aircraft technical fields, and in particular to a kind of fixed wing aircraft connection of safety and stability Undercarriage.

Background technique

Fixed wing aircraft is referred to as aircraft, refers to and generates the thrust advanced or pulling force by power device, by the fixation of fuselage Wing generates lift, in the aircraft for overweighting air of endoatmosphere flight.It is one kind of Fixed-Wing, and most often The one kind seen, another Fixed-Wing are aerodones.The engine type that aircraft is used according to it can be divided into jet again Aircraft and propeller aeroplane.The housing construction of aircraft generally includes wing, fuselage, empennage and undercarriage composition.If aircraft Engine is not in fuselage, then engine nacelle also belongs to a part of housing construction.With the development of electronic technology, flight behaviour The variation of essence also has occurred in the form of vertical device.In large aircraft, traditional mechanical manipulation system gradually by Replaced more advanced fly-by-wire, computer system intervenes flight control system comprehensively, and the operation of driver is not Again seem direct operating aircraft movement, and is more like and assigns movement instruction to aircraft.

Existing fixed wing aircraft nose undercarriage technology has the following problems: 1, existing fixed wing aircraft front-wheel rises and falls When carrying out receipts device, the piston rod of undercarriage will collide frame with the fixed device of aero tyre, not prevent well Protection unit is protected, and be easy to cause loosening when encountering strength and colliding in this way.2, existing fixed wing aircraft front-wheel rises It is not very convenient when fastening aircraft tire to fall frame, and does not have secondary fixing device to be fixed, so that solid Fixed connection is not very secured problem.

Summary of the invention

The purpose of the present invention is to provide a kind of fixed wing aircrafts of safety and stability to connect undercarriage, to solve above-mentioned background The existing fixed wing aircraft nose undercarriage proposed in technology is not very convenient and existing when fastening aircraft tire Fixed wing aircraft nose undercarriage piston rod is easy the problem of collision.

To achieve the above object, the invention provides the following technical scheme:

A kind of fixed wing aircraft connection undercarriage of safety and stability, including properller and airframe, the aircraft Propeller is fixed on the front end middle position of airframe, and the rear side two sides of the properller are located at airframe On be provided with illuminating lamp shade, by being welded and fixed, the rear of the properller is located at for the illuminating lamp shade and airframe Preceding observation window is provided among the front end of airframe, the preceding observation window is fixedly connected with airframe by Philip's head screw, The rear two sides of the preceding observation window, which are located on airframe, is provided with rear side observation window, the rear side observation window and airframe It is fixedly connected by Philip's head screw, the fixed front-wheel of aircraft is provided in front of the lower end of the airframe, before the aircraft is fixed Wheel and airframe are flexibly connected by internal component, the rear of aircraft fixation front-wheel be located on airframe be provided with it is winged Pusher side side rear-wheel, aircraft side rear-wheel and airframe are flexibly connected by internal component, the airframe rear end two Side is provided with the horizontal stable wing, and the airframe and the horizontal stable wing are fixedly connected by welding, after the airframe End top is provided with the vertically stable wing, and the airframe is fixedly connected by welding with the vertically stable wing, described vertical stable Metal rudder is provided on rear side of the wing, the vertically stable wing and metal rudder are flexibly connected by internal component, described The upper end two sides of airframe are provided with aircraft metal flank, and the airframe and aircraft metal flank pass through the company of being welded and fixed It connects, aircraft aileron is provided on rear side of the aircraft metal flank, the aircraft metal flank and aircraft aileron pass through internal structure Part be flexibly connected, the inside of the aircraft aileron, which is located on aircraft metal flank, is provided with aircraft flap, the aircraft flap with Aircraft metal flank is flexibly connected by internal component, and the aircraft metal flank lower end is provided with aircraft described in wing frame fixator Metal flank and wing frame fixator are fixed by screws, and the lower end of the wing frame fixator is connected on airframe, institute It states wing frame fixator and airframe is fixed by screws.

Preferably, aircraft side rear-wheel includes that metal connecting elements, metallic support rod, aircraft rear tyre and fixation turn Axis, the lower end of the metal connecting elements are provided with metallic support rod, and the metal connecting elements and metallic support rod pass through weldering It connects and is fixedly connected, the lower end outside of the metallic support rod is provided with aircraft rear tyre, and the aircraft rear tyre is turned by fixed Axis is movably fixed in metallic support rod, and the metal connecting elements is connected on airframe.

Preferably, the fixed front-wheel of the aircraft includes metallic piston bar, tire fixator, aircraft nose wheel tire, top connection Component, rear side concave bar and movable connecting rod, the lower end of the metallic piston bar are provided with tire fixator, the metallic piston Bar and tire fixator are provided with aircraft nose wheel tire, the tire is fixed by being welded and fixed on the outside of the tire fixator It is provided with movable connecting rod, the tire fixator and movable connecting rod on rear side of device to be flexibly connected by fixing axle, the work The upper end of dynamic connecting rod is provided with rear side concave bar, and the movable connecting rod and rear side concave bar are flexibly connected by fixing axle, The upper end of the rear side concave bar and metallic piston bar is provided with top connecting elements, the rear side concave bar, metallic piston bar With top connecting elements by being welded to connect, the top connecting elements are connected on airframe.

Preferably, the tire fixator includes fixing tire device, elastic rubber, metal fixed link and metal link block, The upper end of the metal fixed link is provided with elastic rubber, and the lower end of the metal fixed link is provided with metal link block, described Metal fixed link and metal link block are fixedly connected by welding, and fixed tire device is provided on the outside of the metal link block, The fixed tire device and metal link block are fixedly connected by welding, and the fixed tire device is connected on aircraft nose wheel tire, The metal fixed link is connected on metallic piston bar.

Preferably, the aircraft metal flank includes side link block, fixing component, flank shell and rear side notch, institute It states and is provided with rear side notch among the rear side of flank shell, the lower end of the flank shell is provided with side link block, the side Wing shell and side link block are fixedly connected by welding, and the lower end of the side link block is provided with fixing component, the side Side link block and fixing component are fixedly connected by welding, and the fixing component is connected on airframe.

Preferably, the properller includes revolving vane, blade fixator and fixed connection shaft, and the blade is fixed The outside of device is provided with revolving vane for one week, and the lower end of the blade fixator is provided with fixed connection shaft, described to be fixedly connected Axis connection is on airframe.

Preferably, there are two aircraft side rear-wheel is arranged altogether, and aircraft side rear-wheel be fixed in parallel it is winged On the lower end outside of machine body, two aircraft side rear-wheels and the fixed front-wheel of aircraft are located at composition triangle shape below airframe Shape.

Preferably, the wing frame fixator, aircraft metal flank and airframe are constituted triangular shaped, and the aircraft The upper outer of metal flank and airframe is on same straight line.

Preferably, the vertically stable wing rearmost flute shape size and metal rudder outer shape size substantially phase Deng, and on the outside of the vertically stable wing and metal rudder on same straight line.

Preferably, there are two the horizontal stable wing be arranged altogether, and it is described it is horizontal stabilize the equal parallel vertical of the wing be fixed on it is winged In the rear end sides of machine body.

Compared with prior art, the present invention provides a kind of fixed wing aircraft of safety and stability connect undercarriage, have with It is lower the utility model has the advantages that

1, fixed wing aircraft of the present invention by metallic piston bar, tire fixator, aircraft nose wheel tire, top connecting elements, The fixed front-wheel of aircraft composed by rear side concave bar and movable connecting rod can effectively buffer collision, and aircraft fixes the top of front-wheel Portion's connecting elements is connected on airframe, can be controlled very well when carrying out aircraft takeoffs and landings in this way, and metal is living Stopper rod when collision, reduces shock dynamics by elasticity with tire fixator, so that generation abrasion and collision be avoided to fall off.

2, fixed wing aircraft of the present invention passes through fixed tire device, elastic rubber, metal fixed link and metal link block institute group At tire fixator it is more convenient when fixed, there are fixing screws on fixed tire device, thus before connecting aircraft Secondary fixation is played when tire, so that fixation is more secured, so as to more stable when sliding.

Detailed description of the invention

Attached drawing is used to provide further understanding of the present invention, and constitutes part of specification, with reality of the invention It applies example to be used to explain the present invention together, not be construed as limiting the invention, in the accompanying drawings:

Fig. 1 is that a kind of fixed wing aircraft of safety and stability proposed by the present invention connects landing gear structure schematic diagram；

Fig. 2 is the structural schematic diagram that the present invention proposes aircraft side rear-wheel；

Fig. 3 is the fixed fore wheel structure schematic diagram of aircraft proposed by the present invention；

Fig. 4 is tire fixer structure schematic diagram proposed by the present invention；

Fig. 5 is aircraft metal shoulder schematic diagram proposed by the present invention；

Fig. 6 is properller structural schematic diagram proposed by the present invention；

In figure: 1, properller；101, revolving vane；102, blade fixator；103, fixed connection shaft；2, preceding observation Window；3, aircraft flap；4, aircraft metal flank；41, side link block；42, fixing component；43, flank shell；44, rear side is recessed Slot；5, aircraft aileron；6, rear side observation window；7, vertically stabilize the wing；8, metal rudder；9, the horizontal stable wing；10, headlamp Cover；11, the fixed front-wheel of aircraft；111, metallic piston bar；112, tire fixator；117, fixed tire device；118, elastic rubber； 119, metal fixed link；110, metal link block；113, aircraft nose wheel tire；114, top connecting elements；115, rear side concave bar； 116, movable connecting rod；12, wing frame fixator；13, aircraft side rear-wheel；131, metal connecting elements；132, metallic support rod； 133, aircraft rear tyre；134, fixed rotating shaft；14, airframe.

Specific embodiment

Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other Embodiment shall fall within the protection scope of the present invention.

Fig. 1-6 is please referred to, the present invention provides a kind of technical solution:

A kind of fixed wing aircraft connection undercarriage of safety and stability, including properller 1 and airframe 14, aircraft spiral shell Rotation paddle 1 is fixed on the front end middle position of airframe 14, and the rear side two sides of properller 1 are located at airframe 14 On be provided with illuminating lamp shade 10, by being welded and fixed, the rear of properller 1, which is located at, to fly for illuminating lamp shade 10 and airframe 14 Observation window 2 before being provided among the front end of machine body 14, preceding observation window 2 are fixedly connected with airframe 14 by Philip's head screw, The rear two sides of preceding observation window 2, which are located on airframe 14, is provided with rear side observation window 6, rear side observation window 6 and airframe 14 It is fixedly connected by Philip's head screw, the fixed front-wheel 11 of aircraft, the fixed front-wheel 11 of aircraft is provided in front of the lower end of airframe 14 Be flexibly connected with airframe 14 by internal component, the rear of the fixed front-wheel 11 of aircraft be located on airframe 14 be provided with it is winged Pusher side side rear-wheel 13, aircraft side rear-wheel 13 and airframe 14 are flexibly connected by internal component, 14 rear end two of airframe Side is provided with the horizontal stable wing 9, and airframe 14 and the horizontal stable wing 9 are fixedly connected by welding, the rear end of airframe 14 Top is provided with the vertically stable wing 7, and airframe 14 and the vertical stable wing 7 are fixedly connected by welding, vertically after the stable wing 7 Side is provided with metal rudder 8, and vertically the stable wing 7 and metal rudder 8 are flexibly connected by internal component, airframe 14 Upper end two sides are provided with aircraft metal flank 4, and airframe 14 and aircraft metal flank 4 are fixedly connected by welding, aircraft gold The rear side for belonging to flank 4 is provided with aircraft aileron 5, aircraft metal flank 4 and aircraft aileron 5 and is flexibly connected by internal component, flies The inside of machine aileron 5, which is located on aircraft metal flank 4, is provided with aircraft flap 3, and aircraft flap 3 and aircraft metal flank 4 pass through Internal component is flexibly connected, and 4 lower end of aircraft metal flank is provided with 12 aircraft metal flank 4 of wing frame fixator and wing frame fixator 12 are fixed by screws, and the lower end of wing frame fixator 12 is connected on airframe 14, wing frame fixator 12 and aircraft machine Body 14 is fixed by screws.

Further, aircraft side rear-wheel 13 includes metal connecting elements 131, metallic support rod 132, aircraft rear tyre 133 With fixed rotating shaft 134, the lower end of metal connecting elements 131 is provided with metallic support rod 132, metal connecting elements 131 and metal Support rod 132 is fixedly connected by welding, and the lower end outside of metallic support rod 132 is provided with aircraft rear tyre 133, aircraft rear-wheel Tire 133 is movably fixed in metallic support rod 132 by fixed rotating shaft 134, and metal connecting elements 131 is connected to airframe 14 On, the metal connecting elements 131 of aircraft side rear-wheel 13 is connected on airframe 14, thus rise and fall use when It is more convenient, and aircraft rear tyre 133 is movably fixed in metallic support rod 132 by fixed rotating shaft 134, it is sliding in track in this way It is more convenient when enforcement.

Further, the fixed front-wheel 11 of aircraft includes metallic piston bar 111, tire fixator 112, aircraft nose wheel tire 113, top Portion's connecting elements 114, rear side concave bar 115 and movable connecting rod 116, the lower end of metallic piston bar 111 are provided with tire and fix By being welded and fixed, the outside of tire fixator 112 is provided with aircraft for device 112, metallic piston bar 111 and tire fixator 112 Front tyre 113, the rear side of tire fixator 112 are provided with movable connecting rod 116, tire fixator 112 and movable connecting rod 116 It is flexibly connected by fixing axle, the upper end of movable connecting rod 116 is provided with rear side concave bar 115, movable connecting rod 116 and rear side Concave bar 115 is flexibly connected by fixing axle, and the upper end of rear side concave bar 115 and metallic piston bar 111 is provided with top connection Component 114, rear side concave bar 115, metallic piston bar 111 and top connecting elements 114 are by being welded to connect, top connecting elements 114 are connected on airframe 14, and the top connecting elements 114 of the fixed front-wheel 11 of aircraft are connected on airframe 14, in this way Can be controlled very well when carrying out aircraft takeoffs and landings, and metallic piston bar 111 and tire fixator 112 collision when It waits, shock dynamics is reduced by elasticity, thus avoid wearing, and metallic piston bar 111, tire fixator 112, rear side are recessed Type bar 115 and movable connecting rod 116 are flexibly connected, thus more convenient when carrying out rising and dropping control.

Further, tire fixator 112 includes fixed tire device 117, elastic rubber 118, metal fixed link 119 and metal Link block 110, the upper end of metal fixed link 119 are provided with elastic rubber 118, and the lower end of metal fixed link 119 is provided with metal Link block 110, metal fixed link 119 and metal link block 110 are fixedly connected by welding, and the outside of metal link block 110 is set It is equipped with fixed tire device 117, fixed tire device 117 and metal link block 110 are fixedly connected by welding, fixed tire device 117 It is connected on aircraft nose wheel tire 113, metal fixed link 119 is connected on metallic piston bar 111, the metal of tire fixator 112 Fixed link 119 is connected on metallic piston bar 111, in this way when colliding, passes through the elastic force of elastic rubber 118 Degree, so that buffering collision of closed dynamics, allows and play protection when multiple impact, and prevents the whole shaking that falls off, and There are fixing screws on fixed tire device 117, so that secondary fixation is played when connecting aircraft nose wheel tire 113, to make Must fix it is more secured, in this way sliding when it is more stable.

Further, aircraft metal flank 4 includes side link block 41, fixing component 42, flank shell 43 and rear side notch 44, rear side notch 44 is provided among the rear side of flank shell 43, and the lower end of flank shell 43 is provided with side link block 41, side Wing shell 43 and side link block 41 are fixedly connected by welding, and the lower end of side link block 41 is provided with fixing component 42, side Side link block 41 and fixing component 42 are fixedly connected by welding, and fixing component 42 is connected on airframe 14, aircraft metal The fixing component 42 of flank 4 is connected on airframe 14, consequently facilitating be fixedly welded, and the setting of the rear of flank shell 43 Rear side notch 44 has fixed position-limiting action, so that internal objects can be very good to limit, so that when in use It is more convenient to stablize.

Further, properller 1 includes revolving vane 101, blade fixator 102 and fixed connection shaft 103, and blade is solid The outside for determining device 102 is provided with revolving vane 101 for one week, and the lower end of blade fixator 102 is provided with fixed connection shaft 103, Gu To determine connecting shaft 103 to be connected on airframe 14, the fixed connection shaft 103 of properller 1 is connected on airframe 14, from And thus can by 14 internal motivation device of airframe so as to drive fixed connection shaft 103 to be rotated well So that blade fixator 102 drives revolving vane 101 to be rotated, air-flow is provided when in use in this way.

Further, there are two aircraft side rear-wheel 13 is arranged altogether, and aircraft side rear-wheel 13 is fixed on aircraft machine in parallel On the lower end outside of body 14, two aircraft side rear-wheels 13 are located at below airframe 14 with the fixed front-wheel 11 of aircraft constitutes triangle Shape shape, it is more convenient when in use in this way, so that carrying out in orbit more stable when mobile accelerate.

Further, wing frame fixator 12, aircraft metal flank 4 and airframe 14 are constituted triangular shaped, and aircraft gold The upper outer for belonging to flank 4 and airframe 14 is on same straight line, so when in use, maintains aircraft metal side 4 side of the wing stablizes, thus more stable when in use.

Further, vertically stable 7 rearmost flute shape size of the wing is substantially equal to the magnitudes with 8 outer shape of metal rudder, And be vertically on same straight line on the outside of the stable wing 7 and metal rudder 8, it is more convenient when in use in this way.

Further, there are two the horizontal stable wing 9 is arranged altogether, and the horizontal stable equal parallel vertical of the wing 9 is fixed on airframe In 14 rear end sides, thus more convenient when in use.

The working principle of the invention and process for using:, will be in airframe 14 when fixed wing aircraft of the present invention takes off Portion adds fuel oil, to use being moved to the enterprising enforcement of track designation.When taking off, user of service is in airframe 14 It is controlled in operational window, to open 14 internal motivation device of airframe switch, such internal motivation device just be will drive Properller 1 is rotated, to provide, air-flow is mobile, and such airframe 14 passes through the fixed front-wheel 11 of aircraft and aircraft side Side rear-wheel 13, so that more convenient when mobile.In this way airframe 14 by aircraft flap 3, aircraft metal flank 4, The effect of aircraft aileron 5, the vertical stable wing 7, metal rudder 8 and the horizontal stable wing 9, so that sliding is more steady.And When properller 1 provide air-flow take off enough when, by aircraft flap 3, aircraft metal flank 4, aircraft aileron 5, The cooperation of the vertical stable wing 7, metal rudder 8 and the horizontal stable wing 9, so that air-flow and ground generate opposite force, thus Fixed wing aircraft is taken off in orbit, after fixed wing aircraft takes off, packs up front and back wheel, and the fixed front-wheel 11 of aircraft is Pass through metallic piston bar 111, tire fixator 112, aircraft nose wheel tire 113, top connecting elements 114,115 and of rear side concave bar Movable connecting rod 116 is formed, and tire fixator 112 is by fixed tire device 117, elastic rubber 118, metal fixed link 119 and metal link block 110 formed, and the metal fixed link 119 of tire fixator 112 is connected on metallic piston bar 111, In this way when colliding, by the elastic dynamics of elastic rubber 118, thus buffering collision of closed dynamics, so that repeatedly hitting Protection can be played when hitting, and prevents the whole shaking that falls off, and fixing on tire device 117 has fixing screws, thus Secondary fixation is played when connecting aircraft nose wheel tire 113, so that fixation is more secured, in this way when sliding It is more stable.And fixed wing aircraft can be very good to check outer when flight by preceding observation window 2 and rear side observation window 6 Portion's environment, and when high-speed flight, by the fixation of wing frame fixator 12, so that more steady steady when flight It is fixed.

It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding And modification, the scope of the present invention is defined by the appended.

Claims (10)

1. a kind of fixed wing aircraft of safety and stability connects undercarriage, including properller (1) and airframe (14), special Sign is: the properller (1) is fixed on the front end middle position of airframe (14), the properller (1) rear side two sides, which are located on airframe (14), is provided with illuminating lamp shade (10), the illuminating lamp shade (10) and airframe (14) by being welded and fixed, the rear of the properller (1), which is located among the front end of airframe (14), is provided with preceding sight It examines window (2), the preceding observation window (2) is fixedly connected with airframe (14) by Philip's head screw, after the preceding observation window (2) Square two sides, which are located on airframe (14), is provided with rear side observation window (6), and the rear side observation window (6) and airframe (14) are logical It crosses Philip's head screw to be fixedly connected, aircraft is provided in front of the lower end of the airframe (14) and fixes front-wheel (11), the aircraft Fixed front-wheel (11) and airframe (14) are flexibly connected by internal component, and the rear of the aircraft fixed front-wheel (11) is located at Aircraft side rear-wheel (13), aircraft side rear-wheel (13) and airframe (14) are provided on airframe (14) in Portion's component is flexibly connected, and airframe (14) rear end sides are provided with horizontal stable the wing (9), the airframe (14) and The level stable wing (9) is fixedly connected by welding, and vertically stable the wing (7) are provided with above the rear end of the airframe (14), The airframe (14) and vertical stable the wing (7) are fixedly connected by welding, and are provided on rear side of vertically stable the wing (7) Metal rudder (8), vertically stable the wing (7) and metal rudder (8) are flexibly connected by internal component, the aircraft machine The upper end two sides of body (14) are provided with aircraft metal flank (4), and the airframe (14) and aircraft metal flank (4) pass through weldering Connect and be fixedly connected, be provided with aircraft aileron (5) on rear side of the aircraft metal flank (4), the aircraft metal flank (4) and fly Machine aileron (5) is flexibly connected by internal component, and the inside of the aircraft aileron (5), which is located on aircraft metal flank (4), to be arranged Have aircraft flap (3), the aircraft flap (3) and aircraft metal flank (4) are flexibly connected by internal component, the aircraft gold Category flank (4) lower end is provided with wing frame fixator (12) the aircraft metal flank (4) and wing frame fixator (12) passes through screw Be fixedly connected, the lower end of the wing frame fixator (12) is connected on airframe (14), the wing frame fixator (12) and fly Machine body (14) is fixed by screws.

2. a kind of fixed wing aircraft of safety and stability according to claim 1 connects undercarriage, it is characterised in that: described to fly Pusher side side rear-wheel (13) includes metal connecting elements (131), metallic support rod (132), aircraft rear tyre (133) and fixed rotating shaft (134), the lower end of the metal connecting elements (131) is provided with metallic support rod (132), the metal connecting elements (131) It is fixedly connected by welding with metallic support rod (132), the lower end outside of the metallic support rod (132) is provided with aircraft rear-wheel Tire (133), the aircraft rear tyre (133) is movably fixed on metallic support rod (132) by fixed rotating shaft (134), described Metal connecting elements (131) is connected on airframe (14).

3. a kind of fixed wing aircraft of safety and stability according to claim 1 connects undercarriage, it is characterised in that: described to fly Machine fixed front-wheel (11) includes metallic piston bar (111), tire fixator (112), aircraft nose wheel tire (113), top connection structure The lower end of part (114), rear side concave bar (115) and movable connecting rod (116), the metallic piston bar (111) is provided with tire Fixator (112), the metallic piston bar (111) and tire fixator (112) are by being welded and fixed, the tire fixator (112) it is provided on the outside of aircraft nose wheel tire (113), is provided with movable connecting rod on rear side of the tire fixator (112) (116), the tire fixator (112) and movable connecting rod (116) are flexibly connected by fixing axle, the movable connecting rod (116) upper end is provided with rear side concave bar (115), and the movable connecting rod (116) and rear side concave bar (115) pass through fixation Axis is flexibly connected, and the upper end of the rear side concave bar (115) and metallic piston bar (111) is provided with top connecting elements (114), By being welded to connect, the top connects for the rear side concave bar (115), metallic piston bar (111) and top connecting elements (114) Connection member (114) is connected on airframe (14).

4. a kind of fixed wing aircraft of safety and stability according to claim 3 connects undercarriage, it is characterised in that: the wheel Tire fixator (112) includes fixed tire device (117), elastic rubber (118), metal fixed link (119) and metal link block (110), the upper end of the metal fixed link (119) is provided with elastic rubber (118), the lower end of the metal fixed link (119) It is provided with metal link block (110), the metal fixed link (119) and metal link block (110) are fixedly connected by welding, institute It states and is provided with fixed tire device (117) on the outside of metal link block (110), the fixed tire device (117) and metal link block (110) it is fixedly connected by welding, the fixed tire device (117) is connected on aircraft nose wheel tire (113), and the metal is fixed Bar (119) is connected on metallic piston bar (111).

5. a kind of fixed wing aircraft of safety and stability according to claim 1 connects undercarriage, it is characterised in that: described to fly Machine metal flank (4) includes side link block (41), fixing component (42), flank shell (43) and rear side notch (44), described It is provided among the rear side of flank shell (43) rear side notch (44), the lower end of the flank shell (43) is provided with side connection Block (41), the flank shell (43) and side link block (41) are fixedly connected by welding, the side link block (41) Lower end is provided with fixing component (42), and the side link block (41) and fixing component (42) are fixedly connected by welding, described Fixing component (42) is connected on airframe (14).

6. a kind of fixed wing aircraft of safety and stability according to claim 1 connects undercarriage, it is characterised in that: described to fly Machine propeller (1) includes revolving vane (101), blade fixator (102) and fixed connection shaft (103), the blade fixator (102) outside is provided with revolving vane (101) for one week, and the lower end of the blade fixator (102) is provided with fixed connection shaft (103), the fixed connection shaft (103) is connected on airframe (14).

7. a kind of fixed wing aircraft of safety and stability according to claim 1 connects undercarriage, it is characterised in that: described to fly There are two pusher side side rear-wheel (13) is arranged altogether, and aircraft side rear-wheel (13) is fixed in parallel under airframe (14) On the outside of end, two aircraft side rear-wheels (13) and aircraft fixed front-wheel (11) are located at airframe (14) lower section and constitute triangle Shape.

8. a kind of fixed wing aircraft of safety and stability according to claim 1 connects undercarriage, it is characterised in that: the wing Frame fixator (12), aircraft metal flank (4) and airframe (14) composition are triangular shaped, and the aircraft metal flank (4) it is on same straight line with the upper outer of airframe (14).

9. a kind of fixed wing aircraft of safety and stability according to claim 1 connects undercarriage, it is characterised in that: described to hang down Directly the stable wing (7) rearmost flute shape size is substantially equal to the magnitudes with metal rudder (8) outer shape, and described vertical stable On the outside of the wing (7) and metal rudder (8) on same straight line.

10. a kind of fixed wing aircraft of safety and stability according to claim 1 connects undercarriage, it is characterised in that: described After level is stabilized there are two the wing (9) total settings, and horizontal stable the wing (9) equal parallel vertical is fixed on airframe (14) It holds on two sides.