Aircraft wing folding device

Abstract

The utility model belongs to the technical field of aircrafts, and particularly relates to an aircraft wing folding device which comprises a structural frame, wing folding guide grooves, wings, screw rods, motors, screw rod girders, connecting pins and pin holes, the wing folding guide grooves are symmetrically formed in the two sides of the structural frame, the motors are arranged below the structural frame, and the connecting pins are arranged in the screw rod girders. The output end of the motor is connected with a screw rod, the screw rod penetrates through the screw rod girder, pin holes are formed in the two ends of the screw rod girder, connecting pins are arranged at the overlapped parts of the bottoms of the wings and the screw rod girder, the connecting pins are matched with the pin holes, and the wings are in sliding connection with wing folding guide grooves. The wings are completely folded and stored in the fuselage, folding, positioning and self-locking of the wings can be completed through the simple lead screws, the mechanical structure is simple and reliable, an automobile and an airplane are organically fused through the wing folding technology, hovercars become possible, and therefore the traffic condition of increasing congestion is relieved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the field of aircraft technology, specifically a kind of aircraft wing folding device. BACKGROUND

[0002] At present, aircraft adopts wing folding technology to reduce the occupied space and wingtip folding to meet the maximum size requirement of airport take-off and landing;Vertical folding and inclined plane rotary folding wing do solve the problem of high-density carrier, but wing is always exposed outside fuselage and has no protection, stability, reliability is difficult to guarantee, it is very suitable for professional military, but it is still difficult to popularize for general industry and civil conditions, appearance and protection are difficult to accept.

[0003] Therefore, aiming at the above problems, an aircraft wing folding device is provided. INVENTION CONTENTS

[0004] In order to meet the multifunctional flying car attribute demand, the wing is completely folded into the body, to solve the technical problems proposed in the background art, the utility model provides an aircraft wing folding device.

[0005] The utility model solves the technical scheme that the utility model discloses a kind of aircraft wing folding device, including structural frame, wing folding guide slot, wing, lead screw, motor, lead screw girder, connecting column pin, column pin hole, wherein: the structural frame both sides symmetry are provided with wing folding guide slot, the motor is set in structural frame below, the motor output end is connected with lead screw, the lead screw is penetrated in lead screw girder, the both ends of the lead screw girder are provided with column pin hole, the wing bottom and lead screw girder coincident part are provided with connecting column pin, the connecting column pin is matched with column pin hole, the wing is slidably connected with wing folding guide slot.

[0006] Preferably, the connecting column pin is fixedly connected to the bottom of the wing, and the connecting column pin is hingedly connected to the column pin hole.

[0007] Preferably, the connecting column pin is hingedly connected to the bottom of the wing, and the connecting column pin is fixedly connected to the column pin hole.

[0008] Preferably, the inner wall of the wing folding guide slot is a smooth plane.

[0009] Preferably, the root of the wing is fixedly connected with a sliding block matched with the wing folding guide slot.

[0010] Preferably, the maximum wing span of the wing that can be unfolded is 90°.

[0011] Preferably, the lead screw girder is a parallel wing upper angle structure.

[0012] As a further technical scheme of the utility model: the wing folding guide column is rotationally connected to the wing, the wing folding guide column slides and rotates in the wing folding guide groove, the connecting pin and the wing rotate in the same direction, and the connecting pin and the wing folding guide column rotate in opposite directions.

[0013] As a further technical scheme of the utility model: the wing folding guide column is rotationally connected to the wing, the wing folding guide column slides and rotates in the wing folding guide groove, the connecting pin and the wing rotate in the same direction, and the connecting pin and the wing folding guide column rotate in opposite directions.

[0014] The utility model has the advantages of:

[0015] 1. The utility model provides a folding device for the wing of an aircraft, which can complete the folding and positioning operation of the wing by a single lead screw, and fold the wing completely into the fuselage.

[0016] 2. The utility model provides a folding device for the wing of an aircraft, which can complete the rotation and folding of the whole wing and move the wing to a preset position by the cooperation of the lead screw linear drive and the wing folding guide groove. BRIEF DESCRIPTION OF DRAWINGS

[0017] The accompanying drawings, which are included to provide a further understanding of the utility model, form a part of the application and help to explain the utility model, but do not limit the utility model. In the drawings:

[0018] Figure 1 is a perspective view of the utility model;

[0019] Figure 2 is a top view of the utility model;

[0020] Figure 3 is a front view of the utility model;

[0021] Figure 4 is a perspective view of the lead screw structure in the utility model;

[0022] Figure 5 is a top view of the wing structure in the utility model;

[0023] Figure 6 is a bottom view of the wing structure in the utility model.

[0024] Legend:

[0025] 1, structure frame; 2, wing folding guide slot; 3, wing; 4, screw rod; 5, motor; 6, screw rod beam; 7, connecting pin; 8, pin hole. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0027] The specific embodiments are given below.

[0028] Please refer to Figures 1-6 The utility model provides a kind of aircraft wing folding device, including structure frame 1, wing folding guide slot 2, wing 3, screw rod 4, motor 5, screw rod beam 6, connecting pin 7, pin hole 8, wherein: the structure frame 1 both sides symmetry is equipped with wing folding guide slot 2, the motor 5 is set in structure frame 1 below, the motor 5 output end is connected with screw rod 4, the screw rod 4 is through in screw rod beam 6, the both ends of the screw rod beam 6 are equipped with pin hole 8, the bottom of the wing 3 and the coincident part of screw rod beam 6 is equipped with connecting pin 7, the connecting pin 7 is matched with pin hole 8, the wing 3 is slidably connected with wing folding guide slot 2.

[0029] Further, the connecting pin is fixedly connected to the bottom of the wing, and the connecting pin is hingedly connected to the pin hole.

[0030] Working principle: 1. wing unfolding: motor 5 drives screw rod 4 to rotate, screw rod beam 6 rotates with screw rod 4 and moves to the direction of motor 5, screw rod beam 6 drives wing 3 to move to the direction of motor 5 through connecting pin 7, connecting pin 7 is fixedly connected to the bottom of wing 3, wing 3 rotates around connecting pin as the center to achieve the folding of wing 3, wing folding guide column moves to the direction of motor 5 along wing folding guide slot 2, wing folding guide column slides in wing folding guide slot 2, connecting pin 7 rotates in the same direction as wing 3, connecting pin 7 rotates in the opposite direction of wing folding guide column, wing 3 rotates around wing folding guide column as the center to unfold, while connecting pin 7 and screw rod beam 6 rotate freely under stress, until wing folding guide column reaches the top end of wing folding guide slot 2, wing 3 rotates 90 degrees and moves to the preset position of wing 3, and the wing span is completed.

[0031] 2. Wing folding: wing folding is the reverse movement of wing 3 unfolding, the motor 5 reverses (relative to the wing 3 unfolding) to drive the lead screw 4 to rotate, the lead screw beam 6 pushes the connecting pin 7 to move away from the motor 5, the connecting pin 7 is fixed to the bottom of the wing 3, the wing 3 rotates around the connecting pin as the center to achieve the folding of the wing 3, the wing folding guide column moves away from the motor 5 along the wing folding guide groove 2, the connecting pin 7 and the wing folding guide column rotate in the same direction, the connecting pin 7 and the wing folding guide column rotate in opposite directions, the wing folding guide column gradually moves towards the structure frame 1, and the wing 3 rotates towards the fuselage direction with the wing folding guide column as the center, until the wing folding guide column reaches the top end of the wing folding guide groove 2, and the wing 3 completes 90-degree rotation and folding with the fuselage.

[0032] 3. Wing locking: when the motor 5 starts, it drives the lead screw 4 to rotate. With the continuous rotation of the lead screw 4, the lead screw beam 6 moves along the axial direction of the lead screw 4. The pin hole 8 at both ends of the lead screw beam 6 is connected with the wing 3 through the connecting pin 7, and when the lead screw beam 6 moves, the wing 3 starts to rotate and fold under the guidance of the wing folding guide groove 2, and finally moves to the preset position, and this structure has good self-locking torque. Because the structure frame 1 and the lead screw beam 6 are inclined upward v-shaped structures, after the wing 3 is completely folded into the fuselage, under the influence of gravity and support force, the wing 3 can be effectively prevented from moving in the opposite direction.

[0033] Please refer to Figures 1-6 The utility model provides a kind of aircraft wing folding device, including structure frame 1, wing folding guide groove 2, wing 3, lead screw 4, motor 5, lead screw beam 6, connecting pin 7, pin hole 8, wherein: the structure frame 1 both sides symmetry are provided with wing folding guide groove 2, the motor 5 is set in structure frame 1 below, the motor 5 output end is connected with lead screw 4, the lead screw 4 is penetrated in lead screw beam 6, the both ends of the lead screw beam 6 are provided with pin hole 8, the bottom of the wing 3 and the coincidence part of lead screw beam 6 are provided with connecting pin 7, the connecting pin 7 is matched with pin hole 8, the wing 3 is slidably connected with wing folding guide groove 2.

[0034] Further, the connecting pin is rotatably connected with the wing, and the connecting pin is relatively stationary with the pin hole.

[0035] Working principle: 1. Wing unfolding: the motor 6 drives the screw rod 5 to rotate, the screw rod beam 7 rotates with the screw rod 5 and moves to the motor 6 direction, the connecting pin 7 is rotatably connected with the bottom of the wing 3, the connecting pin 7 is relatively static with the pin hole 8, the screw rod beam 7 drives the wing to move to the motor 6 direction through the connecting pin 8, the wing folding guide column 4 moves to the motor 6 direction along the wing folding guide groove 2, the wing folding guide column 4 slides in the wing folding guide groove 2, the connecting pin 8, the wing 3 and the wing folding guide column 4 rotate in the same direction, the wing 3 rotates around the wing folding guide column 4 to unfold, meanwhile the connecting pin 8 and the screw rod beam 7 relatively freely rotate under force, until the wing folding guide column 4 reaches the top end of the wing folding guide groove 2, the wing 3 rotates 90 degrees and moves to the preset wing 3 position, and the wing span is completed.

[0036] 2. Wing folding: the wing folding is reverse movement of the wing unfolding, the motor 8 reverses (relative to the wing unfolding) to drive the screw rod 5 to rotate, the connecting pin 7 is rotatably connected with the bottom of the wing 3, the connecting pin 7 is relatively static with the pin hole 8, the screw rod beam 7 drives the connecting pin 8 to move away from the motor 6 direction, the wing folding guide column 4 moves away from the motor 6 direction along the wing folding guide groove 2, the wing folding guide column 4 rotates in the wing folding guide groove 2, the connecting pin 8, the wing 3 and the wing folding guide column 4 rotate in the same direction, the wing folding guide column 4 gradually approaches the structure frame 1, and the wing 3 rotates around the wing folding guide column 4 to the fuselage direction, until the wing folding guide column 4 reaches the top end of the wing folding guide groove 2, and the wing 3 completes 90 degrees rotation and folds in the fuselage.

[0037] 3. Wing locking: when the motor 6 starts, the screw rod 5 rotates. With the continuous rotation of the screw rod 5, the screw rod beam 7 moves along the axial direction of the screw rod 5. The pin hole 13 at both ends of the screw rod beam 7 is rotatably connected with the wing 3 through the connecting pin 8, when the screw rod beam 7 moves, under the guidance of the wing folding guide groove 2, the wing 3 starts to rotate and fold, and finally moves to the preset position, and the structure has good self-locking torque. Since the structure frame 1 and the screw rod beam 7 are parallel wing upper negative angle structures, after the wing 3 is completely folded into the fuselage, the movement and rotation of the wing 3 are ensured by limiting the movement of the screw rod beam 7 by the screw rod 5.

[0038] The basic principle, main features and advantages of the utility model are shown and described above. Those skilled in the art should understand that the utility model is not limited by the above examples, and the above examples and descriptions in the specification are only to illustrate the principle of the utility model, and various changes and improvements can be made to the utility model without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the utility model claimed.

Claims

1. An aircraft wing folding device; characterised in that: The utility model relates to a kind of wing folding mechanism, including structural frame, wing folding guide slot, wing, screw rod, motor, screw rod girder, connecting pin, pin hole, wherein: the structural frame two sides symmetry are provided with wing folding guide slot, the motor is set to structural frame below, the motor output end is connected with screw rod, the screw rod is penetrated in screw rod girder, the both ends of the screw rod girder are provided with pin hole, the wing bottom and the coincidence part of screw rod girder are provided with connecting pin, the connecting pin is matched with pin hole, the wing is slidably connected with wing folding guide slot.

2. A folding wing apparatus for an aircraft as claimed in claim 1, wherein: The connecting pin is fixedly connected to the wing bottom, and the connecting pin is hingedly connected to the pin hole.

3. A folding wing apparatus for an aircraft as defined in claim 1, wherein: The inner wall of the wing folding guide slot is a smooth plane.

4. A folding wing apparatus for an aircraft as defined in claim 1, wherein: The wing root is fixedly connected with a slider matched with the wing folding guide slot.

5. A folding wing apparatus for an aircraft as defined in claim 1, wherein: The maximum wing span of the wing when unfolded is 90°.

6. A folding wing apparatus for an aircraft as defined in claim 1, wherein: The screw rod girder is a parallel wing upper negative angle structure.

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