TWI610852B - Aircraft parachute device - Google Patents

Abstract

The invention provides an aircraft parachute device, which comprises an umbrella bag, a main umbrella device, a sling structure, a umbrella bag closing component, a guiding umbrella device, a guiding umbrella connecting belt and a driving component. The main umbrella device is arranged inside the umbrella bag, and the sling structure is connected to the sling structure. The main umbrella and the aircraft, the umbrella bag closing element enables the main umbrella to not be separated from the inside of the umbrella bag and is not opened, the guiding umbrella connecting belt is connected with the umbrella bag and the guiding umbrella, and the driving component contacts the guiding umbrella. Thereby, the aircraft parachute device of the present invention separates the umbrella bag and the main umbrella device from the aircraft by the driving component and the guiding umbrella connecting belt; furthermore, the main umbrella device is separated from the aircraft body by the umbrella bag closing component Start at a certain distance.

Description

Aircraft parachute device

The present invention discloses an aircraft parachute device, and more particularly to an aircraft parachute device for stably landing an aircraft.

In the early days, aircraft were mainly used for military and transportation purposes. In recent years, with the development of technologies such as information, communication and networking, such as Unmanned Aerial Systems, remote control, GPS, and automatic driving, Aircraft have also begun to play an indispensable role in many fields such as agriculture, commerce, security monitoring, and environmental exploration.

The aircraft parachute device is used for the recovery task after the aircraft ends the mission or encounters a special situation. The conventional aircraft parachute device includes a guiding umbrella, an umbrella bag and a main umbrella. The main umbrella is placed inside the umbrella bag to perform recycling. In the course of the mission, first, the cabin door of the aircraft is opened to enable the guiding umbrella to leave the interior of the aircraft. After the guiding umbrella is opened outside the aircraft fuselage, the guiding umbrella can guide the opening of the umbrella bag, so that the main umbrella inside the umbrella bag It has been opened.

During the use of the above-mentioned conventional aircraft parachute device, since the umbrella bag never leaves the interior of the aircraft, it is easy to hook the aircraft fuselage component (such as a wing or a tail) when the main umbrella is opened, resulting in The main umbrella fails to open, and in some cases may even cause the aircraft to lose control or crash.

An object of the present invention is to provide an aircraft parachute device in which the main parachute can be opened after being completely detached from the interior of the aircraft, thereby avoiding the problem of entanglement of the main parachute with the aircraft fuselage component (such as a wing or a tail). The stability of the use of the aircraft parachute device and the success rate of aircraft recovery tasks.

To achieve the above and other objects, the present invention provides an aircraft parachute device disposed on an aircraft, the aircraft parachute device comprising an umbrella bag, a main umbrella, a sling structure, an umbrella bag closing component, and a guiding umbrella. , a guiding umbrella connecting belt and a driving component.

The umbrella bag is disposed inside the aircraft; the main umbrella is disposed inside the umbrella bag, and is connected to the aircraft by the sling structure; the umbrella bag closing member is disposed on the umbrella bag, so that the main umbrella device is not separated from the The umbrella bag is not open inside, and the umbrella bag closing member fails after being subjected to more than one ultimate force; the guiding umbrella device is disposed inside the aircraft; the guiding umbrella connecting belt connects the umbrella bag and the guiding umbrella; and the driving The component is in contact with the guiding umbrella.

Wherein, after the cabin door of the aircraft is opened, the driving component applies a force to the guiding umbrella, so that the guiding umbrella is separated from the interior of the aircraft and opened outside the aircraft to generate a resistance due to the airflow, the umbrella bag And the main umbrella is separated from the interior of the aircraft by the connection of the guiding umbrella connecting belt and the resistance, and the main umbrella is separated from the umbrella bag and opened after the umbrella bag closing member fails.

In an embodiment of the aircraft parachute device of the present invention, after the sling body of the sling structure is straightened such that the relative distance between the aircraft and the main awning reaches a limit, the umbrella closure member is subjected to a force exceeding the ultimate force and fails .

In an embodiment of the aircraft parachute device of the present invention, the ultimate force is 80 pounds.

In an embodiment of the aircraft parachute device of the present invention, the main umbrella includes a canopy, a plurality of umbrella ropes, and a riser belt, one end of each of the umbrella ropes being coupled to the canopy; and the riser connection At the other end of any of the cords, one end of the sling structure is coupled to the riser, and the other end of the sling structure is coupled to the aircraft.

In an embodiment of the aircraft parachute device of the present invention, the main umbrella further includes a glide piece disposed between the parapets.

In an embodiment of the aircraft parachute device of the present invention, the glider has a central portion and an octagonal portion, the central portion having an octagonal shape, and the cymbal portions are sequentially disposed outside the eight sides of the central portion. .

In an embodiment of the aircraft parachute device of the present invention, the central portion is made of a mesh cloth, and the cymbal portions are made of nylon cloth.

In an embodiment of the aircraft parachute device of the present invention, the umbrella bag closure member includes a plurality of auricles and a breaking force band, the earlets being disposed on the umbrella bag, the breaking force band passing through the ear ears for binding The umbrella bag is closed and closed.

In an embodiment of the aircraft parachute device of the present invention, the sling structure comprises a sling body, a metal ring and a baotou band, one end of the sling body is connected to the rising belt; the metal ring is connected to the other end of the sling body The ferrule is formed by winding a cotton thread around the surface of the sling body, and the metal ring is fixed to the sling body by the ferrule.

In an embodiment of the aircraft parachute device of the present invention, during the formation of the ferrule, the cotton is gradually and tightly wound around the surface of the sling body by the aid of a metallurgical tool.

Thereby, the aircraft parachute device of the present invention, by the driving component and the guiding umbrella connecting belt, causes the umbrella bag and the main umbrella set inside the umbrella bag to be separated from the inside of the aircraft before opening; further, by the umbrella The closure element is such that the main umbrella is opened at a certain distance from the aircraft fuselage.

In order to fully understand the objects, features and advantages of the present invention, the present invention will be described in detail by the following specific embodiments and the accompanying drawings.

1 to 3, the aircraft parachute device 100 of the present invention comprises an umbrella bag 10, a main umbrella device 20, a sling structure 30, an umbrella bag closing member 40, a guiding umbrella device 50, and a guiding umbrella connecting belt 60. And a drive element 70.

In the embodiment, when the aircraft parachute device 100 is not turned on, the umbrella bag 10, the main umbrella device 20, the sling structure 30, the umbrella bag closing member 40, the guiding umbrella device 50, and the guiding umbrella connecting belt Both the drive member 70 and the drive member 70 are located inside the aircraft 1000.

The main umbrella 20 is disposed inside the umbrella bag 10. The sling structure 30 is connected to the main umbrella 20 and the aircraft 1000. The umbrella bag closing member 40 is disposed on the umbrella bag 10 so that the main umbrella device 20 does not detach. Within the umbrella bag 10 and not open, the umbrella bag closure member 40 fails when subjected to more than one ultimate force, and the magnitude of the ultimate force can be determined according to actual needs (such as the type of aircraft and the estimated height of the landing task). Adjustment, in the present embodiment, the ultimate force is preferably 80 pounds.

Further, as shown in FIG. 4A to FIG. 4C, the umbrella bag closing member 40 may include a plurality of ears 41 and a breaking force band 42. The number of the ears 41 is four in this embodiment (but not 4, 41b, 41c, and 41d, respectively, four bevels corresponding to the four upper covers 11 of the umbrella bag 10, the breaking force belt 42 is located above the umbrella bag 10 and passes through the packages After the ear 41 is tightened, the umbrella bag 10 can be closed and fixed by the binding of the breaking force belt 42. The breaking force belt 42 is broken after being subjected to exceeding the limit force, and the umbrella bag 10 is broken. The belt 42 is opened after being broken, so that the main umbrella 20 can be detached from the inside of the umbrella bag 10 and can be opened.

It should be noted that the use of the ear with the power strip is only one of the preferred embodiments for fixing the umbrella bag and allowing the umbrella bag to be opened under certain conditions. Anyone who can fix the umbrella bag and allow the umbrella bag to be under certain conditions Other methods of opening, such as using electronic appliances to calculate whether the force exceeds the limit force or using other components to delay opening the umbrella bag, may only be without departing from the scope of the invention.

Referring to FIG. 1 to FIG. 3, the guiding umbrella 50 is disposed outside the umbrella bag 10, so that the guiding umbrella 50 can still be opened when the umbrella bag 10 is not opened, and the guiding umbrella connecting belt 60 is connected. In the umbrella bag 10 and the guiding umbrella 50, the driving component 70 is disposed inside the guiding umbrella 50 and is in contact with the guiding umbrella 50. The driving component 70 can be, for example, a spring, a spring, or the like. The position of the driving member 70 relative to the guiding umbrella 50 and the type of the driving member 70 are not limited to the embodiment, and any known ability to apply the guiding umbrella 50 to eject the guiding umbrella 50 is known. All types and mounting arrangements of the drive components are not deviated from the scope of the invention as intended.

After the cabin door of the aircraft 1000 is opened, the aircraft parachute device 100 can be used, for example, by a specific button pressed by an operator to remotely open the cabin door of the aircraft 1000 and begin use of the aircraft parachute device 100.

Referring to FIG. 5, in use, the driving member 70 applies a force to the guiding umbrella 50 such that the guiding umbrella 50 is first detached from the interior of the aircraft 1000 and opened outside the aircraft 1000 by ejection. The guiding umbrella 50 After opening, a resistance is generated due to the external airflow, and the umbrella bag 10 and the main umbrella 20 are separated from the interior of the aircraft 1000 by the connection of the guiding umbrella connecting belt 60 and the resistance, because the umbrella bag 10 and the The main umbrella 20 is detached from the interior of the aircraft 1000 in an unopened state, so the umbrella bag 10 and the main umbrella 20 will be opened outside the aircraft 1000, thereby avoiding easy hooking to the aircraft when the main umbrella 20 is opened. A body component (such as a wing or a tail) causes a problem that the main umbrella 20 fails to open.

Moreover, with the sling structure 30, the main parachute 20 can be confined to the aircraft 1000, i.e., the main parachute 20 is maintained within a certain range of the fuselage of the aircraft 1000.

In the present embodiment, after the sling body 31 of the sling structure 30 is straightened such that the relative distance between the aircraft 1000 and the main awning 20 reaches the limit, the breaking force belt 42 of the awning closure member 40 is subjected to the ultimate force. When the force breaks, the umbrella bag 10 is opened, and the main umbrella device 20 is separated from the umbrella bag 10 and opened after the umbrella bag 10 is opened. Therefore, the main umbrella device 20 is opened outside the aircraft 1000. It should be noted that the "the relative distance between the aircraft 1000 and the main parachute 20 reaches the limit" as described in this embodiment is only an embodiment for ensuring that the main parachute 20 is not hooked to the aircraft fuselage component when it is opened. However, in other possible implementations, if it is ensured that the main parachute 20 does not hook into the aircraft fuselage component when it is opened, or the aircraft 1000 has been confirmed to be at an appropriate distance from the main parachute 20, the design can be The umbrella closure member 40 fails prematurely, i.e., under certain conditions, the failure timing of the umbrella closure member 40 may not be limited until the relative distance between the aircraft 1000 and the primary umbrella 20 reaches a limit.

Referring to FIG. 6, a schematic diagram of an embodiment of the aircraft parachute device 100 of the present invention is completed. As shown in FIG. 6, when the open state is completed, the umbrella bag closure member 40 has failed and the umbrella bag 10 has been opened. The main umbrella 20 is turned into a half-open state in an unopened state (for example, compressed), and the umbrella bag 10, the umbrella bag closing member 40, the guiding umbrella 50, the guiding umbrella connecting belt 60, and the driving member 70 are all turned into a half-open state. The main parachute 20 has been completely detached from the aircraft, and the main parachute 20 is connected to the aircraft 1000 by the sling structure 30, and the main parachute 20 gradually changes from a semi-open state to a fully open state to generate resistance against gravity. The aircraft 1000 is caused to descend at a slow speed.

In addition, as shown in FIG. 6, the main umbrella 20 may include a canopy 21, a plurality of umbrella ropes 22, and a riser belt 23. One end of any one of the umbrella ropes 22 is coupled to the canopy 21, and the riser The strap 23 is coupled to the other end of any of the cords 22, one end of which is coupled to the riser strap 23, and the other end of the strap structure 30 is coupled to the aircraft 1000.

Referring to FIG. 7, a schematic diagram of another embodiment of the aircraft parachute device 200 of the present invention is completed. The components of the aircraft parachute device 200 are substantially identical to the components of the aircraft parachute device 100. The aircraft parachute device 200 further includes a glide sheet 80 disposed between the parapet cables 22 for use with the aircraft parachute device 200. The gliding piece 80 can delay the opening time of the main umbrella 20 of the aircraft parachute device 200, and the gliding piece 80 preferably delays the opening time of 2~3 seconds to reduce the swaying force of the opening process, the gliding The sheet 80 is preferably designed such that the attitude angle of the main umbrella 20 is about 10 degrees and then turned on to improve the stability of the landing process. When the aircraft parachute device 100 is in the open state, the glider 80 can be designed to be homeopathic. Sliding down to the seam of the cord 22 and the riser 23.

Next, please refer to FIG. 8, which is a plan view of an embodiment of the gliding sheet 80 of the present invention. The gliding piece 80 has a central portion 81 and an octagonal portion 82. The central portion 81 has an octagonal shape, and the cymbal portions 82 are distributed around the central portion 81, more specifically, the cymbals. The portions 82 are sequentially disposed on the outer sides of the eight sides of the central portion 81, and one ends of the parabolas 22 are sequentially passed through or fixed to each of the through holes 83 of each of the crotch portion 82, and each of the crotch portions 82 The number of through holes can be three as shown in FIG.

Accordingly, the present invention can achieve the convenience of the production by the design of the gliding sheet 80 described above. However, the gliding sheet 80 to be protected by the present invention is not limited to the above shape. For example, the gliding sheet can be designed as: It consists of a central part of the pentagon and five cymbal parts. For example, the gliding piece is designed to consist of a central part of the hexagon and six cymbal parts.

In addition, the material of the central portion 81 may be a mesh cloth, and the material of the cymbal portion 82 may be a nylon cloth. By the cooperation of the above materials, the gliding piece 80 can be made to have the most appropriate wind resistance. However, the present invention The gliding piece 80 to be protected is not limited to the above materials.

Next, referring to FIG. 9, at the end of the sling structure 30 connected to the aircraft 1000, the sling structure 30 includes a sling body 31, a metal ring 32 and a baotou belt 33. One end of the sling body 31 is connected to the rise. The belt ring 23 is connected to the other end of the sling body 31. The metal ring 32 is fixed on the aircraft 1000 to reduce the friction caused by the movement. The hood belt 33 is fastened by a cotton thread. The surface of the sling body 31 is wound around a ferrule, and the metal ring 32 is fixed to the sling body 31 by the ferrule belt 33.

Further, as shown in FIG. 10, during the formation of the ferrule belt 33, the cotton thread is gradually tightly wound around the surface of the sling body 31 by the aid of a metallurgical tool 2000 to facilitate the completion of the subsequent construction. More specifically, as shown in the left side of the figure of FIG. 10, the cotton thread is first wound to complete the first small knot, and then the number of small knots is gradually increased upward as shown in the middle of FIG. Until the width D reaches 0.5 吋, the cotton thread is passed through the shackle 2100 above the metallurgical tool 2000, and finally, the metallurgical tool 2000 and the cotton thread are pulled down as shown in the right side of the figure of Fig. 10, that is, the complete tying is completed.

Compared with other possible manufacturing methods, for example, the nylon tape is wrapped around the sling main body 31 and sewn to fix the metal ring 32. The manufacturing method shown in FIG. 10 is simple, convenient, time-saving and labor-saving, and in use. If the headband 33 is worn, the new cotton can be directly re-wrapped for replacement. During the replacement process, the sling structure 30 is not damaged or the strength of the sling structure is reduced, so that compared with other possible structures and fabrications In the manner, the structure and the manufacturing method shown in FIG. 9 and FIG. 10 are ingenious and have special effects.

In summary, the aircraft parachute device of the present invention uses the driving component and the guiding umbrella connecting belt to make the umbrella bag and the main umbrella set inside the umbrella bag are separated from the inside of the aircraft before being opened; The umbrella bag encloses the component such that the main umbrella is opened at a certain distance from the aircraft body.

The invention has been described above in terms of the preferred embodiments, and it should be understood by those skilled in the art that the present invention is not intended to limit the scope of the invention. It should be noted that variations and permutations equivalent to those of the embodiments are intended to be included within the scope of the present invention. Therefore, the scope of protection of the present invention is defined by the scope of the patent application.

10‧‧‧Umbrella bag
11‧‧‧Upper cover
20‧‧‧Main Umbrella
21‧‧‧ Umbrella
22‧‧‧ Umbrella
23‧‧‧Rise belt
30‧‧‧Sling structure
31‧‧‧Sling body
32‧‧‧Metal ring
33‧‧‧ Baotou belt
40‧‧‧ Umbrella closure element
41a, 41b, 41c, 41d‧‧‧ ear
42‧‧‧breaking force belt
50‧‧‧Guide umbrella
60‧‧‧Guide umbrella connection belt
70‧‧‧ drive components
80‧‧‧gliding
81‧‧‧ central part
82‧‧‧Photo section
83‧‧‧through hole
100‧‧‧Aircraft parachute device
200‧‧‧Aircraft parachute device
1000‧‧‧Aircraft
2000‧‧‧
2100‧‧‧ hook and loop
D‧‧‧Width

Fig. 1 is a perspective view showing an unopened state of an embodiment of the aircraft parachute device of the present invention. Fig. 2 is an exploded view showing an unopened state of an embodiment of the aircraft parachute device of the present invention. Fig. 3 is a schematic view showing an embodiment of an aircraft parachute device of the present invention installed inside an aircraft. [Fig. 4A] Fig. 4A is a schematic view showing an embodiment in which the umbrella bag of the present invention is fixed by the auricle and the breaking force band when the umbrella bag is not opened. Fig. 4B is a cross-sectional view taken along line A-A of Fig. 4A. Fig. 4C is a schematic view showing an embodiment of the umbrella bag of the present invention when it is opened. Fig. 5 is a schematic view showing an embodiment of an aircraft parachute device of the present invention in an opening process. Fig. 6 is a schematic view showing an embodiment in which an embodiment of the aircraft parachute device of the present invention is completed. Fig. 7 is a schematic view showing another embodiment of the aircraft parachute device of the present invention in an open state. Fig. 8 is a plan view showing an embodiment of a gliding sheet of the present invention. Fig. 9 is an enlarged view showing a detail of a sling structure of the present invention. [Fig. 10] A schematic view showing a manufacturing process of the sling structure of the present invention.

10‧‧‧Umbrella bag

20‧‧‧Main Umbrella

30‧‧‧Sling structure

40‧‧‧ Umbrella closure element

50‧‧‧Guide umbrella

60‧‧‧Guide umbrella connection belt

70‧‧‧ drive components

100‧‧‧Aircraft parachute device

Claims (10)

An aircraft parachute device is disposed on an aircraft, the aircraft parachute device comprising: an umbrella bag disposed inside the aircraft; a main umbrella device disposed inside the umbrella bag; a sling structure connected to the main umbrella device and the An umbrella bag is disposed on the umbrella bag so that the main umbrella device does not detach from the inside of the umbrella bag and does not open, and the umbrella bag closure member fails after being subjected to more than one ultimate force; a guiding umbrella device, setting Inside the aircraft; a guiding umbrella connecting belt connected to the umbrella bag and the guiding umbrella; and a driving component contacting the guiding umbrella; wherein the driving component is biased after the cabin door of the aircraft is opened In the guiding umbrella, the guiding umbrella is separated from the interior of the aircraft and opened outside the aircraft to generate a resistance due to the airflow, the umbrella bag and the main umbrella are connected by the guiding umbrella connecting belt and the resistance And then detached from the interior of the aircraft, the main umbrella is detached from the umbrella bag and opened after the umbrella bag closure element fails. The aircraft parachute device of claim 1, wherein after the sling body of the sling structure is straightened such that the relative distance between the aircraft and the main awning reaches a limit, the umbrella closure member is subjected to a force exceeding the ultimate force and fails . The aircraft parachute device of claim 1 or 2, wherein the ultimate force is 80 pounds. The aircraft parachute device of claim 1, wherein the main umbrella comprises: a canopy; a plurality of umbrella ropes, one end of which is connected to the canopy; and a rising belt connected to the The other end of any of the cords, wherein one end of the sling structure is coupled to the riser, and the other end of the sling structure is coupled to the aircraft. The aircraft parachute device of claim 4, wherein the main umbrella further comprises a glide piece disposed between the parapets. The aircraft parachute device of claim 5, wherein the gliding piece has a central portion and an octagonal portion, the central portion having an octagonal shape, the cymbal portions being sequentially disposed outside the eight sides of the central portion . The aircraft parachute device of claim 6, wherein the central portion is made of a mesh cloth, and the cymbal portions are made of nylon cloth. The aircraft parachute device of claim 1, wherein the umbrella bag closure member comprises: a plurality of auricles disposed on the umbrella bag; and a breaking force band passing through the ear to bundle the umbrella bag and Closed. The aircraft parachute device of claim 1, wherein the sling structure comprises: a sling body, one end of the sling body is connected to the rising belt; a metal ring connected to the other end of the sling body; and a baotou belt, It is formed by winding a cotton thread on the surface of the sling body to form a ferrule, and the metal ring is fixed to the sling body by the ferrule belt. The aircraft parachute device of claim 9, wherein the cotton thread is gradually tightly wound around the surface of the sling body by the aid of a metallurgical tool during formation of the ferrule.