CN116513448B - Limiting device of folding wing and folding wing - Google Patents
Limiting device of folding wing and folding wing Download PDFInfo
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- CN116513448B CN116513448B CN202310810986.8A CN202310810986A CN116513448B CN 116513448 B CN116513448 B CN 116513448B CN 202310810986 A CN202310810986 A CN 202310810986A CN 116513448 B CN116513448 B CN 116513448B
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- wing
- limiting mechanism
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- 230000007246 mechanism Effects 0.000 claims abstract description 79
- 230000000149 penetrating effect Effects 0.000 claims 1
- 239000002360 explosive Substances 0.000 abstract description 4
- 230000000977 initiatory effect Effects 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 12
- 230000008569 process Effects 0.000 description 11
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- 230000000750 progressive effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C3/00—Wings
- B64C3/38—Adjustment of complete wings or parts thereof
- B64C3/54—Varying in area
- B64C3/546—Varying in area by foldable elements
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Aviation & Aerospace Engineering (AREA)
- Knives (AREA)
- Emergency Lowering Means (AREA)
Abstract
The application discloses a limiting device for a folding wing and the folding wing. The limiting device of the folding wing comprises a first limiting mechanism, a second limiting mechanism and two ropes; one end of each wing root is connected with the corresponding inner wing, the other ends of the two wing roots are fixedly connected with the rotating shafts, and the two rotating shafts are rotationally connected; when the inner wing and the outer wing are not unfolded in place, the outer wing is sleeved on the inner wing; one end of each rope is connected with the corresponding outer wing, and the other end of each rope is connected with the first limiting mechanism and the second limiting mechanism; the first limiting mechanism and the second limiting mechanism are respectively connected to the two rotating shafts, are at least partially positioned on the circumferential outer sides of the rotating shafts, and are configured to be abutted against and separated from ropes connected with each other when the inner wings and the outer wings in the two sleeved states are unfolded in place. Therefore, the limiting device for the folding wing is simple in structure, does not need to additionally use a motor or a initiating explosive device to perform actuation unlocking, and improves the reliability of wing unfolding.
Description
Technical Field
The application relates to the technical field of aircrafts, in particular to a limiting device of a folding wing and the folding wing.
Background
The folding wing aircraft can actively change the wing area through the expansion and folding of the wings, so that the optimal flight state is always kept, the flight envelope can be expanded to the maximum extent, and further different tasks can be executed, so that different flight environment requirements can be met. The folding wing aircraft has the advantages of small occupied space, convenience in transportation and carrying and diversified launching platforms.
The existing unfolding mechanism of the wing of the folding wing aircraft adopts a motor to drive a rack or a steel cable to unfold. Therefore, the unfolding angle of the existing folding wing aircraft is controlled by the rotation number of the motor, the control requirement is high, and the wing is excessively unfolded due to slight errors. In addition, the outer wing is easy to freely extend in the wing unfolding process, so that the torque required by wing unfolding is increased, and the unfolding mechanism is blocked.
Disclosure of Invention
The embodiment of the application solves the technical problem of low reliability of the wing in the unfolding process in the prior art by providing the limiting device of the folding wing and the folding wing.
In a first aspect, an embodiment of the present application provides a limiting device for a folding wing, including a first limiting mechanism, a second limiting mechanism, and two ropes; one end of each wing root is connected with the corresponding inner wing, the other ends of the two wing roots are fixedly connected with the rotating shaft, and the two rotating shafts are rotationally connected; when the inner wing and the outer wing are not unfolded in place, the outer wing is sleeved on the inner wing; one end of each rope is connected with the corresponding outer wing, and the other end of each rope is connected with the corresponding first limiting mechanism and the corresponding second limiting mechanism; the first limiting mechanism and the second limiting mechanism are respectively connected to the two rotating shafts, are at least partially positioned on the outer sides of the circumference of the rotating shafts, and are configured to be in two sleeved states, and the inner wing and the outer wing are abutted and separated from the ropes connected with each other when being opened in place.
With reference to the first aspect, in one possible implementation manner, the first limiting mechanism includes a first limiting plate, a cutting member, and a boss; the first limiting plate is connected with the outer side wall of one rotating shaft; the cutting piece and the boss are respectively arranged on the side face of the first limiting plate, which faces towards and departs from the second limiting mechanism; the second limiting mechanism comprises a second limiting plate and a bolt; the second limiting plate is connected to the outer side wall of the other rotating shaft; the first limiting plate and the second limiting plate are configured to abut when the inner wing and the outer wing in two sleeved states are opened in place; the bolt is arranged on the side face, facing the first limiting mechanism, of the second limiting plate, and a first groove for the cutting piece to pass through is formed in the bolt; the first limiting plate and the boss are respectively provided with a pin hole and a third groove for the bolt to pass through; one end of one rope is wound on the bolt and passes through the first groove; one end of the other rope is wound on the boss and passes through the third groove.
With reference to the first aspect, in a possible implementation manner, the plug pin is provided with a second groove, and the second groove and the first groove penetrate through; a fifth groove is formed in one side, away from the second groove, of the bolt; one end of the rope is wound around the opening of the second groove and the fifth groove.
With reference to the first aspect, in a possible implementation manner, a cutting opening of a side of the cutting element, which faces the second limiting plate, is set to be inclined in a first direction; the first inclination comprises an inclination towards the middle and/or an inclination towards the right; the inclination towards the middle is that the upper side and the lower side of the cutting opening are both inclined towards the middle to form a blade shape; the right inclination is that the cutting opening is obliquely arranged from left to right to the boss side; the cutting port is configured to slidingly cut the cord within the second groove.
With reference to the first aspect, in a possible implementation manner, a part area of the foremost end of the cutting opening is a plane.
With reference to the first aspect, in a possible implementation manner, the second limiting plate is provided with a fourth groove for the cutting member to pass through.
With reference to the first aspect, in a possible implementation manner, the second limiting plate is provided with a through hole through which the rope passes; the through hole is positioned at one side of the bolt, which is away from the fourth groove.
With reference to the first aspect, in one possible implementation manner, the boss includes a base and a mesa; the base is arranged on the first limiting plate; the table top is arranged on one side of the base, which is far away from the first limiting plate; the upper edge of the table surface facing the pin hole side is higher than the upper edge of the base facing the pin hole side, and the lower edge of the table surface facing the pin hole side is flush with the lower edge of the base facing the pin hole side.
With reference to the first aspect, in a possible implementation manner, an end surface of the base and the table surface facing the pin hole side is set to be flush or inclined in a second direction; the second inclination comprises an inward-outward inclination and/or an upward-downward inclination; the inclination from inside to outside is that the end surfaces of the base and the table top facing the pin hole side are inclined from the base to the table top; the vertical inclination is that the included angle of the plane where the upper end face and the lower end face of the base and the table face towards the pin hole side are located is smaller than 180 degrees.
In a second aspect, a folding wing comprises a stop device for a folding wing according to the first aspect or any of the first aspects.
One or more technical solutions provided in the embodiments of the present application at least have the following technical effects or advantages:
the limiting device for the folding wing provided by the embodiment of the application comprises a first limiting mechanism, a second limiting mechanism and two ropes. In practical application, when the inner wing and the outer wing in the sleeved state are unfolded, the two rotating shafts respectively rotate, the distance between the first limiting mechanism and the second limiting mechanism arranged on the two rotating shafts is gradually reduced, and when the first limiting mechanism and the second limiting mechanism are abutted, the two rotating shafts are blocked and do not rotate any more, so that the excessive unfolding of the wings is prevented. The outer wing is connected to the first limiting mechanism and the second limiting mechanism through ropes, and the outer wing cannot stretch out due to the limitation of the ropes in the unfolding process of the outer wing; when the inner wing and the outer wing in the sleeved state are unfolded in place, the first limiting mechanism and the second limiting mechanism are abutted and separate ropes connected between the two mechanisms, so that the limit of the ropes on the extension of the outer wing is relieved. Therefore, when the first limiting mechanism and the second limiting mechanism are abutted, the inner wing and the outer wing in the sleeved state are unfolded in place, the wing can be effectively prevented from being excessively unfolded in time, the structure is simple, an additional motor or an initiating explosive device is not required to be used for unlocking, the cost is saved, and the reliability of wing unfolding is improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the description of the embodiments of the present application will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present application, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic structural view of an inner wing and an outer wing in a sleeved state during deployment according to an embodiment of the present application;
FIG. 2 is an enlarged view of a portion at A in FIG. 1;
fig. 3A, fig. 3B, and fig. 3C are schematic structural views of a first limiting mechanism according to an embodiment of the present application;
fig. 4A and fig. 4B are schematic structural views of a second limiting mechanism according to an embodiment of the present application from different angles;
FIG. 5 is a schematic view of a wing in an extended position according to an embodiment of the present application;
FIG. 6 is a partial enlarged view at B in FIG. 5;
fig. 7 is a schematic structural diagram of an inner wing and an outer wing in a sleeved state when the inner wing and the outer wing are folded according to an embodiment of the present application.
Icon: 1-a first limiting mechanism; 11-a first limiting plate; 12-a first base; 13-cutting member; 131-cutting; 14-boss; 141-a base; 142-table top; 143-a third groove; 15-pin holes; 2-a second limiting mechanism; 21-a second limiting plate; 211-through holes; 212-fourth grooves; 22-a second base; 23-a bolt; 231-a first groove; 232-a second groove; 233-fifth groove; 3-rope; 4-an outer wing; 5-wingroot; 6-rotating shaft; 7-inner wing.
Detailed Description
The following description of the embodiments of the present application will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are some, but not all embodiments of the application. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
In the description of the embodiments of the present application, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the embodiments of the present application and simplify description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present application. The terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Furthermore, the terms "mounted," "connected," "coupled," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the embodiments of the present application will be understood by those of ordinary skill in the art according to specific circumstances.
The embodiment of the application provides a limiting device for a folding wing, which is shown in figures 1 to 7. The limiting device of the folding wing comprises a first limiting mechanism 1, a second limiting mechanism 2 and two ropes 3. One end of each wing root 5 is connected with the corresponding inner wing 7, the other ends of the two wing roots 5 are fixedly connected with the rotating shaft 6, and the two rotating shafts 6 are rotationally connected. When the inner wing 7 and the outer wing 4 are not unfolded in place, the outer wing 4 is sleeved on the inner wing 7. One end of each rope 3 is connected with the corresponding outer wing 4, and the other end of each rope 3 is connected with the first limiting mechanism 1 and the second limiting mechanism 2. Specifically, the inner wing 7 is telescopically arranged with the outer wing 4, and when the rope 3 pulls the outer wing 4, the outer wing 4 cannot extend out of the inner wing 7; when the ropes 3 do not pull the outer wing 4, the outer wing 4 can extend from the inner wing 7 to limit.
The first limiting mechanism 1 and the second limiting mechanism 2 are respectively connected to the two rotating shafts 6, are at least partially positioned on the outer side of the circumference of the rotating shafts 6, and are configured to abut against and separate from the rope 3 connected with each other when the two inner wings 7 and the outer wings 4 in the sleeved state are unfolded in place.
Specifically, as shown in fig. 1 and 2, the first and second stopper mechanisms 1 and 2 may be mounted to side walls of the two rotating shafts 6. Of course, the embodiment of the present application is not limited to the above-mentioned structure, the first limiting mechanism 1 and the second limiting mechanism 2 may be mounted on the top surface or the bottom surface of the two rotating shafts 6, the first limiting mechanism 1 and the second limiting mechanism 2 may be hook structures, and the two hooks may abut against and separate from the rope 3 connected to each other when the two inner wings 7 and the outer wings 4 in the sleeved state are unfolded in place.
As shown in fig. 7, the first limiting mechanism 1 and the corresponding outer wing 4 are located at two sides of the rotating shaft 6, and the second limiting mechanism 2 and the corresponding outer wing 4 are located at the same side of the rotating shaft 6.
In practical application, when the inner wing 7 and the outer wing 4 in the sleeved state are unfolded, the two rotating shafts 6 rotate respectively, the distance between the first limiting mechanism 1 and the second limiting mechanism 2 arranged on the rotating shafts is gradually reduced, when the first limiting mechanism 1 and the second limiting mechanism 2 are propped against each other, the two rotating shafts 6 are blocked and do not rotate any more, so that the excessive unfolding of the wings is prevented, in addition, the two rotating shafts 6 are blocked to cause the current of a motor to increase, and the motor automatically limits current and protects and stops working, at the moment, the inner wing 7 and the outer wing 4 in the sleeved state are unfolded in place. The outer wing 4 is connected to the first limiting mechanism 1 and the second limiting mechanism 2 through the rope 3, and the outer wing 4 cannot extend out due to the limitation of the rope 3 in the unfolding process of the outer wing 4; after the wing is unfolded in place, the first limiting mechanism 1 and the second limiting mechanism 2 are abutted and separate the ropes 3 connected between the two limiting mechanisms, and the outer wing 4 stretches out for limiting. Therefore, when the first limiting mechanism 1 and the second limiting mechanism 2 are abutted, the inner wing 7 and the outer wing 4 in the sleeved state are unfolded in place, so that the wing can be effectively prevented from being excessively unfolded in time, the structure is simple, an additional motor or a initiating explosive device is not required to be used for unlocking, the cost is saved, and the reliability of wing unfolding is improved.
As shown in fig. 3A, 3B, and 3C, the first stopper mechanism 1 includes a first stopper plate 11, a cutting piece 13, and a boss 14. The first limiting plate 11 is connected with the outer side wall of one rotating shaft 6. The cutting member 13 and the boss 14 are respectively provided on the side face of the first limiting plate 11 facing and facing away from the second limiting mechanism 2.
Specifically, the cutting member 13, the first limiting plate 11 and the boss 14 are integrally formed, so that the structures of the cutting member 13, the first limiting plate 11 and the boss 14 are more stable.
As shown in fig. 4A and 4B, the second stopper mechanism 2 includes a second stopper plate 21 and a plug 23. The second limiting plate 21 is connected to the outer side wall of the other rotating shaft 6. The first and second limiting plates 11 and 21 are configured so that the two inner wings 7 and outer wings 4 in the fitted state come into abutment when they are unfolded in place.
As shown in fig. 4A, the latch 23 is disposed on a side of the second limiting plate 21 facing the first limiting mechanism 1, and is provided with a first groove 231 through which the cutting member 13 passes. The bolt 23 and the second limiting plate 21 are integrally formed, so that the structure of the bolt 23 and the second limiting plate 21 is more stable.
As shown in fig. 3A and 3B, the first limiting plate 11 and the boss 14 are provided with a pin hole 15 through which the plug pin 23 passes and a third groove 143, respectively. Specifically, the projection of the boss 14 toward the side of the pin hole 15 is not coincident with the pin hole 15, but the projection of the rope 3 sleeved on the boss 14 toward the side of the pin hole 15 is coincident with the pin hole 15, so that the plug 23 can push the rope 3 on the boss 14 to fall off.
One end of one of the ropes 3 is wound around the latch 23 and passes through the first groove 231. One end of the other rope 3 is wound around the boss 14 and passes through the third groove 143.
Specifically, as shown in fig. 2 and 5, when the inner wing 7 and the outer wing 4 in the fitted state are unfolded in place, the cutter 13 is configured to cut off the rope 3 on the pin 23, and the pin 23 is configured to push out and drop the rope 3 on the boss 14, thereby making the outer wing 4 extend out to a limit.
Further, the first limiting mechanism 1 further comprises a first base 12. The second limiting mechanism 2 further comprises a second base 22. The first base 12 and the second base 22 are fixed to the outer side wall of the first rotating shaft 6 and the outer side wall of the second rotating shaft 6, respectively. The first limiting plate 11 is connected to the first base 12, and the second limiting plate 21 is connected to the second base 22. Two fixing holes are respectively arranged above the first base 12 and the second base 22, and the first base 12 and the second base 22 are fixed on the rotating shaft 6 through the fixing holes and bolts. The contact area between the first base 12 and the second base 22 and the rotating shaft 6 is large, so that the stability of the whole device is better.
Further, for the firmness of the whole device structure, the first base 12 and the first limiting plate 11 of the embodiment of the application are integrally formed, and the second base 22 and the second limiting plate 21 are integrally formed.
As shown in fig. 4B, the plug 23 is provided with a second groove 232, and the second groove 232 and the first groove 231 penetrate. As shown in fig. 4A, a side of the latch 23 facing away from the second recess 232 is provided with a fifth recess 233. One end of the rope 3 is wound around the opening of the second groove 232 and the fifth groove 233.
As shown in fig. 2 and fig. 4B, the rope 3 is wound in the opening of the second groove 232, on one hand, the inner wing 7 and the outer wing 4 in the sleeved state can be better fixed in the unfolding process, so that the rope 3 can be prevented from falling off, and the reliability of wing unfolding is improved; on the other hand, when the cutter 13 cuts the rope 3 wound around the plug 23, the rope 3 is not greatly displaced after being forced, and the rope 3 can be cut more quickly. The rope 3 is wound around the fifth groove 233, so that the rope 3 can be more conveniently disconnected from the fifth groove 233 after being cut off, and the outer wing 4 corresponding to the bolt 23 can extend out to limit.
In one implementation of the embodiment of the present application, as shown in fig. 3A, the cutting opening 131 of the side of the cutting member 13 facing the second limiting plate 21 is disposed at a first inclination. The first tilt includes tilting toward the middle and/or tilting toward the right. The inclination toward the middle is such that both the upper and lower sides of the cut 131 are inclined toward the middle to form a blade shape. The right inclination is that the cutting opening 131 is inclined from left to right toward the boss 14. The cutting opening 131 is configured to slidingly cut the cord 3 within the second groove 232. Specifically, the first inclination includes an inclination toward the middle or an inclination toward the right or both. Tilting towards the middle concentrates the forces on the rope 3 and thus allows the cutting member 13 to cut off the rope 3 wound around the bolt 23 more quickly. Tilting to the right allows the rope 3 to slide cut on the bevel, increasing the cutting thread, ensuring that the rope 3 wound on the bolt 23 is cut off.
With continued reference to fig. 3A, the forward-most partial region of the cutting port 131 is planar. After the rope 3 wound on the bolt 23 is cut off by the cutting piece 13, the rope continues to move towards the second limiting plate 21, and the partial area of the forefront end of the cutting opening 131 is a plane, so that the second limiting plate 21 can be prevented from being damaged by the cutting opening 131.
Further, the cutting member 13 may be a blade. Of course, the present application is not limited to the above-described structure, and the cutter 13 may be heated to cut the rope 3.
As shown in fig. 4B, the second limiting plate 21 is provided with a fourth groove 212 through which the cutting member 13 passes. In the unfolding process of the inner wing 7 and the outer wing 4 in the sleeved state, after the bolt 23 entering the pin hole 15 pushes the rope 3 on the boss 14 and the rope 3 is released, when the length of the bolt 23 reserved on the first limiting plate 11 and the second limiting plate 21 is smaller than that of the cutting piece 13 positioned on the first limiting plate 11 and the second limiting plate 21, a fourth groove 212 is required to be arranged, so that the cutting piece 13 cannot block the bolt 23 from entering the first limiting plate 11.
As shown in fig. 4A, the second stopper plate 21 is provided with a through hole 211 through which the rope 3 passes. The through hole 211 is located on the side of the plug 23 facing away from the fourth recess 212. According to the embodiment of the application, one end of the rope 3 positioned on the second limiting mechanism 2 is wound on the bolt 23 through the through hole 211, so that the rope 3 does not influence the abutting connection of the first limiting mechanism 1 and the second limiting mechanism 2 in the unfolding process of the inner wing 7 and the outer wing 4 in the sleeved state, and the wings can be unfolded in place timely and effectively.
As shown in fig. 3C and 6, the boss 14 includes a base 141 and a mesa 142. The base 141 is disposed on the first limiting plate 11. The table 142 is disposed on a side of the base 141 away from the first limiting plate 11. The upper edge of the mesa 142 on the side facing the pin hole 15 is higher than the upper edge of the base 141 on the side facing the pin hole 15, and the lower edge of the mesa 142 on the side facing the pin hole 15 is flush with the lower edge of the base 141 on the side facing the pin hole 15. Specifically, the cross section of the boss 14 is a C-shaped structure, and the boss 14 is matched with the structure of the first limiting plate 11.
The upper edge of the table top 142 facing the pin hole 15 side is higher than the upper edge of the base 141 facing the pin hole 15 side, so that the rope 3 can be better fixed on the base 141 in the unfolding process of the inner wing 7 and the outer wing 4 in the sleeved state, and the falling of the rope can be prevented, and the reliability of wing unfolding is improved. When the machine span is opened in place, the lower edge of the table top 142 facing the pin hole 15 side is flush with the lower edge of the base 141 facing the pin hole 15 side, so that the rope 3 positioned at the lower edge of the boss 14 falls off firstly, then the rope 3 positioned at the upper edge of the boss 14 falls off again, and the outer wing 4 corresponding to the boss 14 extends out to limit.
After the inner wing 7 and the outer wing 4 in the sleeved state are unfolded in place, the rope 3 wound on the bolt 23 is cut off, so that the outer wing 4 corresponding to the bolt 23 extends out to limit; the latch 23 continues to move towards the first limiting plate 11 and enters the pin hole 15 to push the rope 3 in the third groove 143 to move, so that the rope 3 positioned on the boss 14 falls off, and the outer wing 4 corresponding to the boss 14 extends out to limit.
In one implementation of the embodiment of the present application, the end surfaces of the base 141 and the mesa 142 facing the pin hole 15 are set flush or at a second inclination. The second tilt includes a tilt from inside to outside and/or a tilt up and down. The inward-outward inclination is that the end surfaces of the base 141 and the mesa 142 facing the pin hole 15 are inclined from the base 141 toward the mesa 142. The vertical inclination is that the included angle between the upper end surface of the base 141 and the table surface 142 facing the pin hole 15 and the plane of the lower end surface on the pin hole 15 side is smaller than 180 degrees. Specifically, the base 141 and the mesa 142 are inclined downward toward the upper end face on the pin hole 15 side, and the base 141 and the mesa 142 are inclined upward toward the lower end face on the pin hole 15 side.
The second incline includes an inside-out incline or an up-down incline or an inside-out incline and an up-down incline. The second inclination is to enable the ropes 3 located on the boss 14 to fall off more quickly, so that timeliness of the wing unfolding process is improved, and further working efficiency is improved.
As shown in fig. 3C, the end surfaces of the base 141 and the table 142 facing the pin hole 15 are set flush so that the rope 3 is not caught during the falling off process, thereby improving the reliability of wing deployment.
The application provides a folding wing, which comprises the limiting device of the folding wing. The limiting device of the folding wing is arranged on the folding wing of the aircraft, so that the folding wing of the aircraft can effectively prevent the inner wing 7 and the outer wing 4 in the two sleeved states from being excessively unfolded, and also can prevent the two outer wings 4 from freely extending out in the unfolding process, the reliability of wing unfolding is improved, the structure is simple and reliable, an additional motor or an initiating explosive device is not required to be used for unlocking, control logic can be reduced, and cost is saved.
Furthermore, the limiting device for the folding wing provided by the application is suitable for unmanned aerial vehicles of which the folding wing needs to be unfolded. Illustratively, the method is suitable for large-scale unfolding telescopic wing unmanned aerial vehicles.
In this specification, each embodiment is described in a progressive manner, and the same or similar parts of each embodiment are referred to each other, and each embodiment is mainly described as a difference from other embodiments.
The above embodiments are only for illustrating the technical solution of the present application, and not for limiting the present application; although the application has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced with equivalents; such modifications and substitutions do not depart from the spirit of the application.
Claims (6)
1. The limiting device of the folding wing is characterized by comprising a first limiting mechanism (1), a second limiting mechanism (2) and two ropes (3);
one end of each wing root (5) is respectively connected with a corresponding inner wing (7), the other end of each wing root (5) is fixedly connected with a corresponding rotating shaft (6), and the rotating shafts (6) corresponding to the two wing roots (5) are respectively connected in a rotating way;
when the inner wing (7) and the outer wing (4) are not unfolded in place, the outer wing (4) is sleeved on the inner wing (7);
one end of one of the two ropes (3) is connected with the corresponding outer wing (4), and the other end is connected with the first limiting mechanism (1); one end of the other one of the two ropes (3) is connected with the corresponding outer wing (4), and the other end is connected with the second limiting mechanism (2);
the first limiting mechanism (1) and the second limiting mechanism (2) are respectively connected to the corresponding rotating shafts (6), are at least partially positioned on the circumferential outer sides of the corresponding rotating shafts (6), and are configured to abut against and separate from the ropes (3) connected with each other when the two inner wings (7) and the outer wings (4) in the sleeved state are unfolded in place;
the first limiting mechanism (1) comprises a first limiting plate (11), a cutting piece (13) and a boss (14);
the first limiting plate (11) is connected with the outer side wall of one rotating shaft (6);
the cutting piece (13) is arranged on the side surface of the first limiting plate (11) facing the second limiting mechanism (2), and the boss (14) is arranged on the side surface of the first limiting plate (11) facing away from the second limiting mechanism (2); the second limiting mechanism (2) comprises a second limiting plate (21) and a bolt (23);
the second limiting plate (21) is connected to the outer side wall of the other rotating shaft (6);
the bolt (23) is arranged on the side surface of the second limiting plate (21) facing the first limiting mechanism (1), and is provided with a first groove (231) for the cutting piece (13) to pass through;
the first limiting plate (11) and the boss (14) are respectively provided with a pin hole (15) and a third groove (143) for the bolt (23) to pass through;
one end of one rope (3) is wound on the bolt (23) and passes through the first groove (231);
one end of the other rope (3) is wound on the boss (14) and passes through the third groove (143);
when the inner wing (7) and the outer wing (4) in the sleeved state are unfolded in place, the cutting piece (13) is configured to penetrate through the first groove (231) and cut off the rope (3) wound on the bolt (23), after the rope (3) wound on the bolt (23) is cut off, the outer wing (4) corresponding to the bolt (23) stretches out to limit, the bolt (23) continues to move towards the first limiting plate (11) and enters the pin hole (15), the rope (3) in the third groove (143) is pushed to move, and accordingly the rope (3) located in the boss (14) falls off, and the outer wing (4) corresponding to the boss (14) stretches out to limit.
2. The wing-folding limiting device according to claim 1, characterized in that the plug pin (23) is provided with a second recess (232), the second recess (232) and the first recess (231) penetrating;
a fifth groove (233) is formed in one side, away from the second groove (232), of the plug pin (23);
one end of the rope (3) wound on the plug (23) is wound on the opening of the second groove (232) and the fifth groove (233).
3. A folding wing limit device according to claim 1, characterized in that the second limit plate (21) is provided with a fourth recess (212) for the cutting element (13) to pass through.
4. A folding wing limit device according to claim 3, characterized in that the second limit plate (21) is provided with a through hole (211) through which the rope (3) passes;
the through hole (211) is positioned on one side of the plug pin (23) which is away from the fourth groove (212).
5. The folding wing limiting device of claim 1, characterized in that the boss (14) includes a base (141) and a mesa (142);
the base (141) is arranged on the first limiting plate (11);
the table top (142) is arranged on one side of the base (141) away from the first limiting plate (11); the upper edge of the table top (142) facing the pin hole (15) is higher than the upper edge of the base (141) facing the pin hole (15), and the lower edge of the table top (142) facing the pin hole (15) is flush with the lower edge of the base (141) facing the pin hole (15).
6. A folding wing comprising a stop device for a folding wing according to any one of claims 1 to 5.
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| CN116513448A (en) | 2023-08-01 |
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