Energy storage type wing unfolding device

Abstract

The invention discloses an energy storage type wing unfolding device, and relates to the technical field of aircraft wings, a base is provided with a first socket, and the first socket is provided with a first locking groove; the wing body is rotationally connected with the base and is provided with a first locking plate matched with the first locking groove, and the first bolt penetrates through the first socket and the first locking plate and is detachably connected with the first socket; two ends of the elastic telescopic piece are respectively connected with the base and the wing body; the first electric push rod is arranged on the base and connected with the first traction piece, and the other end of the first traction piece is connected with the first bolt. During wing unfolding, the first electric push rod extends to drive the first traction piece to move, the first traction piece drives the first bolt to be gradually separated from the first socket, and when the extension amount of the first electric push rod is larger than or equal to a threshold value, the first bolt is completely separated from the first locking plate, and the first locking plate is separated from the first locking groove; at the moment, the elastic telescopic piece shrinks and drives the wing body to rotate relative to the base, so that the wing unfolding action is achieved, the deformation of the elastic telescopic piece is rapid, and the wing unfolding speed is high.

Description

Technical Field

[0001] The invention relates to the technical field of aircraft wings, and in particular to an energy storage type wing spreading device. Background Art

[0002] Drone delivery technology has developed rapidly in recent years and has become an important tool in modern warfare and military operations. The wings of drones are usually folded before delivery and then unfolded after delivery. In the prior art, the wings of delivery drones are usually designed in a form where both wings can rotate and fold around the fuselage. For drones with "I"-shaped wings, the wings rotate relative to the fuselage so that the length direction of the wings is consistent with the length direction of the fuselage to achieve the effect of "folding" the wings. However, there is currently a lack of wing spreading devices that can quickly unfold the "I"-shaped wings.

[0003] The information disclosed in the background technology section of this application is only intended to deepen the understanding of the general background technology of this application, and should not be regarded as an admission or any form of suggestion that the information constitutes the prior art already known to those skilled in the art. Summary of the invention

[0004] The main purpose of the present invention is to provide an energy storage type wing spreading device, aiming to solve the technical problem that the prior art lacks a wing spreading device that can quickly spread out a straight-line wing.

[0005] In order to achieve the above-mentioned purpose, an energy storage type wing spreading device is proposed, comprising: A wing assembly comprises a base and a wing body; the base is used to be mounted on a fuselage, the base is provided with a rotating mechanism, a first socket and a mounting frame, the first socket is provided with a first locking groove and a first mounting hole that are interconnected; the wing body is provided with a rotating member rotatably connected to the rotating mechanism and a first locking piece matched with the first locking groove, the first locking piece is provided with a second mounting hole, and when the wing body rotates around the rotating mechanism, the first locking piece can be disengaged from the first locking groove; Two groups of elastic telescopic parts, one end of each elastic telescopic part is connected to the base, and the other end of each elastic telescopic part is connected to the rotating part; the projections of the two groups of elastic telescopic parts on the base are symmetrical about the rotation center of the wing body; the expansion and contraction of the elastic telescopic parts can drive the rotating part to rotate around the rotating mechanism; A wing spreading assembly comprises a first electric push rod, a first traction member and a first latch; the first electric push rod is arranged on the base; one end of the first traction member is connected to the first electric push rod, the other end of the first traction member bypasses the mounting frame and is connected to the first latch, the first latch passes through the first mounting hole and the second mounting hole and is detachably connected to the first socket; when the length direction of the wing body is consistent with the length direction of the fuselage, the first socket and the first locking piece are both connected to the first latch, and the elastic telescopic piece is in a stretched state; when the first electric push rod is extended and the extension amount is greater than or equal to a threshold value, the first traction member drives the first latch to completely disengage from the first locking piece.

[0006] Furthermore, the wing spreading assembly also includes a second electric push rod and a second traction member; the second electric push rod is arranged on the base; one end of the second traction member is connected to the second electric push rod, and the other end of the second traction member is connected to the first traction member; when the second electric push rod is extended, the second traction member can drive the first traction member to move, so that the first pin is disengaged from the first locking plate and the first socket.

[0007] Furthermore, the first traction member includes a first lever and a first steel rope; the first lever is rotatably connected to the base, one end of the first lever is rotatably connected to the first electric push rod, and the other end of the first lever is connected to the first steel rope; one end of the first steel rope away from the first lever is connected to the first pin; the first lever and the first pin are respectively located on both sides of the first electric push rod.

[0008] Furthermore, the second traction member includes a second lever and a second steel rope; the second lever is rotatably connected to the base, one end of the second lever is rotatably connected to the second electric push rod, and the other end of the second lever is connected to the second steel rope; one end of the second steel rope away from the second lever is connected to the first steel rope.

[0009] Furthermore, the wing spreading assembly also includes a second latch; the base is provided with a second socket, and the second socket is provided with a second locking groove and a third mounting hole that are interconnected; the wing body is provided with a second locking plate that cooperates with the second locking groove, and the second locking plate is provided with a fourth mounting hole; the second latch passes through the third mounting hole and the fourth mounting hole and is detachably connected to the second socket.

[0010] Furthermore, the rotating mechanism includes an axially fixed mounting plate and a mounting shaft, and the mounting shaft is fixed to the base; the rotating member includes a first cylinder and a second cylinder connected to each other, the first cylinder is sleeved on the outside of the mounting plate and connected to the wing body, and the second cylinder is sleeved on the outside of the mounting shaft.

[0011] Furthermore, the first cylinder is provided with a first limit block, and the mounting plate is provided with a second limit block. When the rotating member rotates relative to the mounting shaft, the first limit block can circumferentially abut against the second limit block.

[0012] Furthermore, the rotating mechanism also includes a bearing, the bearing is sleeved on the outside of the mounting shaft, and the second cylinder is sleeved on the outside of the bearing.

[0013] Furthermore, the elastic telescopic member includes a third traction member, a connecting member and a plurality of springs; one end of the spring is connected to the base, and the other end of the spring is connected to the connecting member; the third traction member is a flexible member, one end of the third traction member is connected to the connecting member, and the other end of the third traction member is wound around the rotating member and connected to the rotating member.

[0014] Furthermore, the wing assembly also includes a mounting block; the rotating member is provided with an annular groove and a mounting groove which are interconnected, the annular groove cooperates with the third traction member, and the mounting groove cooperates with the mounting block; the mounting block is provided with a connecting hole, the rotating member is provided with a threaded hole corresponding to the connecting hole, the bolt passes through the connecting hole and is connected to the rotating member, and the mounting block is used to press the third traction member to the bottom of the annular groove.

[0015] The base of the present invention is fixed on the fuselage. When the first pin is clamped on the first locking plate and the first socket, the length direction of the wing body is consistent with the length direction of the fuselage. At this time, the elastic telescopic member is in a stretched state; when the wing body needs to be unfolded from the fuselage, the first traction member is driven to move by extending the first electric push rod, and the first traction member drives the first pin to gradually disengage from the first socket. When the elongation of the first electric push rod is greater than or equal to a threshold value, the first pin is completely disengaged from the first locking plate, and the first locking plate is disengaged from the first locking groove. At this time, the elastic telescopic member contracts and drives the wing body to rotate relative to the base, thereby realizing the wing spreading action, and the deformation of the elastic telescopic member is relatively fast, so that the wing spreading speed is faster. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on the structures shown in these drawings without paying creative work.

[0017] Figure 1 This is a schematic structural diagram of an energy storage type wing spreading device according to an embodiment of the present invention; Figure 2 for Figure 1 Enlarged view of point A in the middle; Figure 3 for Figure 1 Enlarged view of point B in the middle; Figure 4 It is a partial top view of the energy storage type wing spreading device according to an embodiment of the present invention; Figure 5 for Figure 4 Middle CC section view; Figure 6 Another schematic diagram of the structure of the energy storage type wing spreading device according to an embodiment of the present invention; Figure 7 It is a schematic structural diagram of a rotating member and a connecting member according to an embodiment of the present invention.

[0018] Icons: 100, wing assembly; 101, base; 1011, second clamping hole; 102, wing body; 103, rotating mechanism; 1031, mounting plate; 10311, second limit block; 1032, mounting shaft; 1033, bearing; 104, first socket; 1041, first locking groove; 105, mounting frame; 106, first locking piece; 107, second socket; 1071, second locking groove; 108, second locking piece; 109, rotating member; 1091, first limit block; 1092, ring groove; 1093, mounting groove; 200, elastic telescopic member; 201, third traction member Guide piece; 202, connecting piece; 2021, first connecting plate; 20211, first hole; 20212, first snap-in hole; 2022, second connecting plate; 20221, second hole; 203, spring; 204, connector; 2041, slot; 300, wing spreading assembly; 301, first electric push rod; 302, first traction piece; 3021, first lever; 3022, first steel rope; 303, first latch; 304, second electric push rod; 305, second traction piece; 3051, second lever; 3052, second steel rope; 306, second latch; 307, mounting block. DETAILED DESCRIPTION

[0019] In order to make the purpose, technical solution and advantages of the present invention more clearly understood, the present invention is further described in detail below through embodiments and in conjunction with the accompanying drawings. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not used to limit the present invention.

[0020] The serial numbers assigned to the components herein, such as "first", "second", etc., are only used to distinguish the objects described and do not have any order or technical meaning. The "connection" and "coupling" mentioned in this application, unless otherwise specified, include direct and indirect connections (couplings). In the description of the present invention, it should be understood that the orientation or position relationship indicated by the terms "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", etc. are based on the orientation or position relationship shown in the accompanying drawings, which is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation to the present invention.

[0021] In the present invention, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, a first feature being "above", "above" or "above" a second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. A first feature being "below", "below" or "below" a second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.

[0022] Combine the following Figure 1-Figure 7 , describing the energy storage wing spreading device of an embodiment of the present invention.

[0023] An energy storage type wing spreading device comprises: a wing assembly 100, comprising a base 101 and a wing body 102; the base 101 is used to be mounted on a fuselage, the base 101 is provided with a rotating mechanism 103, a first socket 104 and a mounting frame 105, the first socket 104 is provided with a first locking groove 1041 and a first mounting hole that are interconnected; the wing body 102 is provided with a rotating member 109 rotatably connected to the rotating mechanism 103 and a first locking piece 106 matched with the first locking groove 1041, the first locking piece 106 is provided with a second mounting hole, and when the wing body 102 rotates around the rotating mechanism 103, the first locking piece 106 can be disengaged from the first locking groove 1041; Two sets of elastic expansion members 200, one end of the elastic expansion member 200 is connected to the base 101, and the other end of the elastic expansion member 200 is connected to the rotating member 109; the projections of the two sets of elastic expansion members 200 on the base 101 are symmetrical about the rotation center of the wing body 102; the expansion and contraction of the elastic expansion member 200 can drive the rotating member 109 to rotate around the rotating mechanism 103; The wing spreading assembly 300 includes a first electric push rod 301, a first traction member 302 and a first latch 303; the first electric push rod 301 is arranged on the base 101; one end of the first traction member 302 is connected to the first electric push rod 301, and the other end of the first traction member 302 bypasses the mounting frame 105 and is connected to the first latch 303, the first latch 303 passes through the first mounting hole and the second mounting hole and is detachably connected to the first socket 104; when the length direction of the wing body 102 is consistent with the length direction of the fuselage, the first socket 104 and the first locking plate 106 are both connected to the first latch 303, and the elastic telescopic member 200 is in a stretched state; when the first electric push rod 301 is extended and the extension amount is greater than or equal to the threshold, the first traction member 302 drives the first latch 303 to completely disengage from the first locking plate 106.

[0024] The wing body 102 is in the shape of a letter "I", and the base 101 is fixed on the fuselage. In the initial state, the length direction of the wing body 102 is consistent with the length direction of the fuselage, the elastic telescopic member 200 is in a stretched state, and the first pin 303 is clamped on the first locking piece 106 and the first socket 104. The first pin 303 is used to limit the rotation of the wing body 102 around the rotating mechanism 103; when the wing body 102 needs to be unfolded from the fuselage, the first electric push rod 301 is extended to drive the first traction member 302 to move, and the first traction member 302 drives the first pin 303 to gradually disengage from the first socket 104. When the elongation of the first electric push rod 301 is greater than or equal to the threshold, the first pin 303 is completely disengaged from the first locking piece 106, and the first locking piece 106 is disengaged from the first locking groove 1041. At this time, the elastic telescopic member 200 contracts and drives the wing body 102 to rotate relative to the base 101, thereby realizing the wing spreading action, and the deformation of the elastic telescopic member 200 is relatively fast, so that the wing spreading speed is relatively fast.

[0025] The base 101 may be a rectangular parallelepiped frame structure, and the long side of the base 101 may be parallel to the length direction of the body. The rotating mechanism 103 may be arranged at the center of the base 101; the first socket 104 may be arranged at the end where the short side of the base 101 is located; the projections of the two sets of elastic and retractable members 200 on the base 101 are symmetrical about the center of the base 101, and the retracting direction of the elastic and retractable members 200 may be parallel to the length direction of the base 101.

[0026] The length direction of the wing body 102 is consistent with the length direction of the fuselage, which means that the length direction of the wing body 102 is parallel to the length direction of the fuselage, or there is a certain angle α between the length direction of the wing body 102 and the length direction of the fuselage, α is an acute angle, and the value of α can be set according to needs.

[0027] The first electric push rod 301 is fixed on the base 101, and the extension direction of the first electric push rod 301 can be parallel to the length direction of the base 101; the mounting frame 105 is set on the base 101 and close to the center of the base 101, one end of the first traction member 302 is connected to the first electric push rod 301, and the other end of the first traction member 302 bypasses the mounting frame 105 and extends toward one side of the first electric push rod 301, the first pin 303 and the first electric push rod 301 can be located on the same side of the base 101, and after the first electric push rod 301 is extended, the first traction member 302 can drive the first pin 303 to move toward the first electric push rod 301.

[0028] The first latch 303 passes through the first socket 104 and the first locking plate 106 from the center of the base 101 toward one side of the first electric push rod 301. The first socket 104 is provided with a first mounting hole that cooperates with the first latch 303. The first mounting hole and the first latch 303 can be interference fit, so that the first latch 303 and the first socket 104 are more firmly connected.

[0029] The first locking piece 106 is provided with a second mounting hole, and the second mounting hole is clearance-matched with the first latch 303 , so that when the first latch 303 is separated from the first socket 104 , the first locking piece 106 will not hinder the first latch 303 from sliding.

[0030] In one embodiment, the wing spreading assembly 300 also includes a second electric push rod 304 and a second traction member 305; the second electric push rod 304 is arranged on the base 101; one end of the second traction member 305 is connected to the second electric push rod 304, and the other end of the second traction member 305 is connected to the first traction member 302; when the second electric push rod 304 is extended, the second traction member 305 can drive the first traction member 302 to move, so that the first pin 303 is disengaged from the first locking plate 106 and the first socket 104.

[0031] The second electric push rod 304 and the first electric push rod 301 are respectively located on both sides of the rotating mechanism 103, and the extension direction of the second electric push rod 304 can be parallel to the length direction of the base 101; after the first electric push rod 301 is extended, the first traction member 302 drives the first pin 303 to disengage from the first socket 104. If the first electric push rod 301 suddenly fails, the wing body 102 cannot be unfolded relative to the fuselage; the second electric push rod 304 and the second traction member 305 are used to assist the first electric push rod 301 in pulling the first traction member 302 to move, and the second electric push rod 304 extends to drive the second traction member 305 to move, and the second traction member 305 drives the first traction member 302 to move, so that the first pin 303 is away from the first socket 104. Therefore, even if the first electric push rod 301 fails, the second electric push rod 304 can still drive the first traction member 302 to move.

[0032] Both the first electric push rod 301 and the second electric push rod 304 can be electric cylinders.

[0033] In one embodiment, the first traction member 302 includes a first lever 3021 and a first steel rope 3022; the first lever 3021 is rotatably connected to the base 101, one end of the first lever 3021 is rotatably connected to the first electric push rod 301, and the other end of the first lever 3021 is connected to the first steel rope 3022; one end of the first steel rope 3022 away from the first lever 3021 is connected to the first pin 303; the first lever 3021 and the first pin 303 are respectively located on both sides of the first electric push rod 301.

[0034] The second traction member 305 includes a second lever 3051 and a second steel rope 3052; the second lever 3051 is rotatably connected to the base 101, one end of the second lever 3051 is rotatably connected to the second electric push rod 304, and the other end of the second lever 3051 is connected to the second steel rope 3052; the end of the second steel rope 3052 away from the second lever 3051 is connected to the first steel rope 3022.

[0035] The first steel rope 3022 bypasses the mounting frame 105 and extends in a U-shaped path. The first electric push rod 301 extends from the first pin 303 side toward the center of the base 101. The first lever 3021 rotates relative to the base 101. Driven by the first electric push rod 301, one end of the first lever 3021 connected to the first steel rope 3022 moves toward the first pin 303, so that the first pin 303 gradually detaches from the first socket 104; the extension path of the second steel rope 3052 is linear. The second electric push rod 304 extends toward the center of the base 101. The second lever 3051 rotates relative to the base 101. One end of the second lever 3051 moves toward the center of the base 101 with the second electric push rod 304. The other end of the second lever 3051 drives the second steel rope 3052 to move toward the side away from the center of the base 101. The second steel rope 3052 drives the first steel rope 3022 to move, so that the first pin 303 further detaches from the first socket 104.

[0036] The energy storage type wing spreading device also includes a processor and a power supply, and the first electric push rod 301, the second electric push rod 304 and the power supply are all electrically connected to the processor. When the wing needs to be spread, the processor controls the first electric push rod 301 and the second electric push rod 304 to extend, so that the first latch 303 is separated from the first locking piece 106 and the first socket 104, and the wing body 102 is driven by the elastic telescopic member 200 to rotate relative to the base 101, thereby realizing the wing spreading action.

[0037] In one embodiment, the wing spreading assembly 300 also includes a second latch 306; the base 101 is provided with a second socket 107, and the second socket 107 is provided with a second locking groove 1071 and a third mounting hole that are interconnected; the wing body 102 is provided with a second locking piece 108 that cooperates with the second locking groove 1071, and the second locking piece 108 is provided with a fourth mounting hole; the second latch 306 passes through the third mounting hole and the fourth mounting hole and is detachably connected to the second socket 107.

[0038] In order to prevent the energy storage wing spreading device from shaking during transportation, which may cause the first latch 303 to be separated from the first socket 104, a second socket 107 is provided on the base 101, and a second locking piece 108 is provided on the wing body 102. The second locking piece 108 is fixed to the second socket 107 by the second latch 306, so as to further strengthen the connection between the wing body 102 and the base 101. The third mounting hole and the second latch 306 can be interference-fitted, so that the second latch 306 and the second socket 107 are more firmly connected; the fourth mounting hole and the second latch 306 are clearance-fitted, so that when the second latch 306 is separated from the second socket 107, the second locking piece 108 will not hinder the second latch 306 from sliding.

[0039] It should be noted that before the drone is launched, the second latch 306 needs to be manually detached.

[0040] In one embodiment, the rotating mechanism 103 includes an axially fixed mounting plate 1031 and a mounting shaft 1032, and the mounting shaft 1032 is fixed to the base 101; the rotating member 109 includes a first cylinder and a second cylinder connected to each other, the first cylinder is sleeved on the outside of the mounting plate 1031 and connected to the wing body 102, and the second cylinder is sleeved on the outside of the mounting shaft 1032.

[0041] The middle part of the installation shaft 1032 may be a hollow structure, and a disc-shaped structure may be provided at one end of the installation shaft 1032 close to the base 101, and a bolt may be passed through the disc-shaped structure and connected to the base 101, thereby fixing the installation shaft 1032 on the base 101. A plurality of threaded holes may be circumferentially provided at one end of the installation shaft 1032 away from the base 101, and the threaded holes extend along the axial direction of the installation shaft 1032, and the installation plate 1031 is provided with through holes corresponding to the threaded holes, and the bolts pass through the installation plate 1031 and are connected to the installation shaft 1032. The rotating member 109 is sleeved on the outside of the installation shaft 1032, and the disc-shaped structure of the installation shaft 1032 and the installation plate 1031 are used to limit the axial movement of the rotating member 109.

[0042] The first cylinder is provided with a plurality of through holes in its circumference, and bolts pass through the first cylinder and are then connected to the wing body 102 .

[0043] In one embodiment, the first cylinder is provided with a first limit block 1091 , and the mounting plate 1031 is provided with a second limit block 10311 . When the rotating member 109 rotates relative to the mounting shaft 1032 , the first limit block 1091 can circumferentially abut against the second limit block 10311 .

[0044] When the wing body 102 is unfolded relative to the fuselage, the wing body 102 drives the first cylinder to rotate relative to the mounting plate 1031. When the length direction of the wing body 102 is perpendicular to the length direction of the fuselage, the first limit block 1091 abuts against the second limit block 10311 to prevent the wing body 102 from continuing to rotate relative to the fuselage. In some embodiments, when the first limit block 1091 contacts the second limit block 10311, the elastic elastic member 200 is still in a stretched state, and the tension of the elastic elastic member 200 acts on the rotating member 109, so that the wing body 102 still has a tendency to rotate relative to the fuselage, so that the first limit block 1091 is always abutted against the second limit block 10311, and the wing body 102 and the fuselage remain in a relatively vertical state.

[0045] In one embodiment, the rotating mechanism 103 further includes a bearing 1033, the bearing 1033 is sleeved on the outside of the installation shaft 1032, and the second cylinder is sleeved on the outside of the bearing 1033. The existence of the bearing 1033 allows the second cylinder to rotate relatively smoothly relative to the installation shaft 1032.

[0046] In one embodiment, the elastic telescopic member 200 includes a third traction member 201, a connecting member 202 and a plurality of springs 203; one end of the spring 203 is connected to the base 101, and the other end of the spring 203 is connected to the connecting member 202; the third traction member 201 is a flexible member, one end of the third traction member 201 is connected to the connecting member 202, and the other end of the third traction member 201 is wound around the rotating member 109 and connected to the rotating member 109.

[0047] The third traction member 201 may be a steel rope. The connecting member 202 includes a first connecting plate 2021 and two second connecting plates 2022; the first connecting plate 2021 is provided with a first hole 20211 and a first clamping hole 20212, and the second connecting plate 2022 is provided with a second hole 20221 corresponding to the first hole 20211, and the bolt passes through the first hole 20211 and the second hole 20221 and is connected with a nut, thereby connecting the first connecting plate 2021 and the second connecting plate 2022. The base 101 is provided with a second clamping hole 1011; the hooks at both ends of the spring 203 are respectively connected with the first clamping hole 20212 and the second clamping hole 1011.

[0048] A connecting head 204 is provided at one end of the third traction member 201 away from the rotating member 109. The connecting head 204 is provided with two slots 2041 located on both sides of the axis of the connecting head 204. The connecting head 204 is located between the two second connecting plates 2022. The second connecting plates 2022 are provided with two mounting holes corresponding to the slots 2041. The bolts pass through the mounting holes of the two second connecting plates 2022 and are connected to the nuts. The bolts cooperate with the slots 2041 of the connecting head 204. The bolts and the second connecting plates 2022 can limit the movement of the connecting head 204, so that the positions of the connecting head 204 and the second connecting plates 2022 are fixed.

[0049] In one embodiment, the wing assembly 100 also includes a mounting block 307; the rotating member 109 is provided with an annular groove 1092 and a mounting groove 1093 which are interconnected, the annular groove 1092 cooperates with the third traction member 201, and the mounting groove 1093 cooperates with the mounting block 307; the mounting block 307 is provided with a connecting hole, the rotating member 109 is provided with a threaded hole corresponding to the connecting hole, the bolt passes through the connecting hole and is connected to the rotating member 109, and the mounting block 307 is used to press the third traction member 201 to the bottom of the annular groove 1092.

[0050] The annular groove 1092 is located on the outer side wall of the second cylinder, and the mounting block 307 is arranged in the mounting groove 1093 and is used to press the third traction member 201 to the bottom of the annular groove 1092. The diameter of the third traction member 201 is greater than the distance between the bottom of the annular groove 1092 and the side wall of the mounting block 307, so that after the bolt passes through the mounting block 307 and is connected to the rotating member 109, the mounting block 307 can press the third traction member 201 to the bottom of the annular groove 1092, thereby fixing the third traction member 201 to the outside of the rotating member 109, and the number of mounting grooves 1093 is multiple and circumferentially arranged on the outside of the second cylinder. Multiple mounting blocks 307 fix the third traction member 201, so that the third traction member 201 can be fixed more firmly.

[0051] The principle of the energy storage wing device: In the initial state, the length direction of the wing body 102 is consistent with the length direction of the fuselage, a part of the third traction member 201 is wrapped around the rotating member 109, the rotating member 109 is fixed to the wing body 102, and the end of the third traction member 201 away from the rotating member 109 is connected to the spring 203 through the connecting member 202, and the spring 203 is connected to the base 101. At this time, the spring 203 is in a stretched state, and the first latch 303 is clamped on the first locking piece 106 and the first socket 104. The first latch 303 is used to limit the rotation of the wing body 102 relative to the base 101; when the wing body 102 needs to be unfolded from the fuselage, the first electric push rod 301 extends to drive the first lever 3021 to rotate, and the first lever 30 21 then pulls the first steel rope 3022 to move, so that the first pin 303 gradually disengages from the first socket 104; at the same time, the second electric push rod 304 extends to drive the second lever 3051 to rotate, and the second lever 3051 pulls the second steel rope 3052 to move, and the second steel rope 3052 further assists the first steel rope 3022 to pull the first pin 303. When the first steel rope 3022 drives the first pin 303 to move an amount greater than or equal to a threshold, the first pin 303 completely disengages from the first locking plate 106, and the first locking plate 106 disengages from the first locking groove 1041. At this time, the spring 203 contracts and drives the wing body 102 to rotate relative to the base 101 through the third traction member 201, thereby realizing the wing spreading action.

[0052] The technical features of the above embodiments may be combined arbitrarily. To make the description concise, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0053] The above-described embodiments only express several implementation methods of the present invention, and the descriptions thereof are relatively specific and detailed, but they cannot be understood as limiting the scope of the present application. It should be pointed out that, for a person of ordinary skill in the art, several modifications and improvements can be made without departing from the concept of the present invention, and these all belong to the protection scope of the present application. Therefore, the protection scope of the present application shall be subject to the attached claims.

Claims

1. An energy storage wing spreading device, characterized in that: include: A wing assembly comprises a base and a wing body; the base is used to be mounted on a fuselage, the base is provided with a rotating mechanism, a first socket and a mounting frame, the first socket is provided with a first locking groove and a first mounting hole that are interconnected; the wing body is provided with a rotating member rotatably connected to the rotating mechanism and a first locking piece matched with the first locking groove, the first locking piece is provided with a second mounting hole, and when the wing body rotates around the rotating mechanism, the first locking piece can be disengaged from the first locking groove; Two groups of elastic telescopic parts, one end of each elastic telescopic part is connected to the base, and the other end of each elastic telescopic part is connected to the rotating part; the projections of the two groups of elastic telescopic parts on the base are symmetrical about the rotation center of the wing body; the expansion and contraction of the elastic telescopic parts can drive the rotating part to rotate around the rotating mechanism; A wing spreading assembly comprises a first electric push rod, a first traction member and a first latch; the first electric push rod is arranged on the base; one end of the first traction member is connected to the first electric push rod, the other end of the first traction member bypasses the mounting frame and is connected to the first latch, the first latch passes through the first mounting hole and the second mounting hole and is detachably connected to the first socket; when the length direction of the wing body is consistent with the length direction of the fuselage, the first socket and the first locking piece are both connected to the first latch, and the elastic telescopic piece is in a stretched state; when the first electric push rod is extended and the extension amount is greater than or equal to a threshold value, the first traction member drives the first latch to completely disengage from the first locking piece.

2. The energy storage wing spreading device according to claim 1, characterized in that: The wing spreading assembly also includes a second electric push rod and a second traction member; the second electric push rod is arranged on the base; one end of the second traction member is connected to the second electric push rod, and the other end of the second traction member is connected to the first traction member; when the second electric push rod is extended, the second traction member can drive the first traction member to move, so that the first pin is disengaged from the first locking plate and the first socket.

3. The energy storage wing spreading device according to claim 2, characterized in that: The first traction member includes a first lever and a first steel rope; the first lever is rotatably connected to the base, one end of the first lever is rotatably connected to the first electric push rod, and the other end of the first lever is connected to the first steel rope; one end of the first steel rope away from the first lever is connected to the first pin; the first lever and the first pin are respectively located on both sides of the first electric push rod.

4. The energy storage wing spreading device according to claim 3, characterized in that: The second traction member includes a second lever and a second steel rope; the second lever is rotatably connected to the base, one end of the second lever is rotatably connected to the second electric push rod, and the other end of the second lever is connected to the second steel rope; one end of the second steel rope away from the second lever is connected to the first steel rope.

5. The energy storage wing spreading device according to claim 1, characterized in that: The wing spreading assembly also includes a second latch; the base is provided with a second socket, the second socket is provided with a second locking groove and a third mounting hole that are interconnected; the wing body is provided with a second locking piece that cooperates with the second locking groove, the second locking piece is provided with a fourth mounting hole; the second latch passes through the third mounting hole and the fourth mounting hole and is detachably connected to the second socket.

6. The energy storage wing spreading device according to claim 1, characterized in that: The rotating mechanism includes an axially fixed mounting plate and a mounting shaft, wherein the mounting shaft is fixed to the base; the rotating member includes a first cylinder and a second cylinder connected to each other, wherein the first cylinder is sleeved on the outside of the mounting plate and connected to the wing body, and the second cylinder is sleeved on the outside of the mounting shaft.

7. The energy storage wing spreading device according to claim 6, characterized in that: The first cylinder is provided with a first limit block, and the mounting plate is provided with a second limit block. When the rotating member rotates relative to the mounting shaft, the first limit block can circumferentially abut against the second limit block.

8. The energy storage wing spreading device according to claim 6, characterized in that: The rotating mechanism further comprises a bearing, wherein the bearing is sleeved on the outside of the mounting shaft, and the second cylinder is sleeved on the outside of the bearing.

9. The energy storage wing spreading device according to claim 6, characterized in that: The elastic telescopic member includes a third traction member, a connecting member and a plurality of springs; one end of the spring is connected to the base, and the other end of the spring is connected to the connecting member; the third traction member is a flexible member, one end of the third traction member is connected to the connecting member, and the other end of the third traction member is wound around the rotating member and connected to the rotating member.

10. The energy storage wing spreading device according to claim 9, characterized in that: The wing assembly also includes a mounting block; the rotating member is provided with an annular groove and a mounting groove which are interconnected, the annular groove cooperates with the third traction member, and the mounting groove cooperates with the mounting block; the mounting block is provided with a connecting hole, the rotating member is provided with a threaded hole corresponding to the connecting hole, a bolt passes through the connecting hole and is connected to the rotating member, and the mounting block is used to press the third traction member onto the bottom of the annular groove.

Images