CN114750955A

CN114750955A - Double-point throwing mechanism, aircraft and throwing method

Info

Publication number: CN114750955A
Application number: CN202210676885.1A
Authority: CN
Inventors: 薛松柏; 吴巍; 王长云; 俞鑫; 许兆华
Original assignee: Zhejiang Geely Holding Group Co Ltd; Aerofugia Technology Chengdu Co Ltd
Current assignee: Chengdu Wofeitianyu Technology Co ltd; Zhejiang Geely Holding Group Co Ltd
Priority date: 2022-06-16
Filing date: 2022-06-16
Publication date: 2022-07-15
Anticipated expiration: 2042-06-16
Also published as: CN114750955B

Abstract

The invention relates to a double-point throwing mechanism, an aircraft and a throwing method in the technical field of aircrafts. The double-point throwing mechanism comprises two groups of throwing devices, each throwing device comprises a hooking rotating piece, a locking rotating piece and a driving assembly, a hooking part is arranged on each hooking rotating piece, and each hooking rotating piece can rotate to drive each hooking part to switch between a hooking position and an unloading position; the switching position of the locking rotating piece comprises a locking position and an unlocking position, and the locking rotating piece is connected with the hook rotating piece at the locking position to ensure that the hook part is kept at the hook position; the driving component is connected with the locking rotating piece to drive the locking rotating piece to rotate so as to realize the locking and unlocking of the hook rotating piece at the hook position; when all the hook parts are positioned at the hook positions, all the hook parts are matched to ensure that the hoisted articles are kept in supporting balance; when the hook parts of at least one group of throwing devices are positioned at the unloading position, the support balance of the hoisted articles fails, so that the hoisted articles are separated from the two groups of throwing devices. The beneficial effects are that: difficult jamming, more safe and reliable.

Description

Double-point throwing mechanism, aircraft and throwing method

Technical Field

The invention relates to the technical field of aircrafts, in particular to a double-point throwing mechanism, an aircraft and a throwing method.

Background

The adoption of aircrafts for material transportation has gradually become a trend, for example, unmanned aerial vehicles are widely applied to logistics distribution in remote areas and scenes such as disaster relief with inconvenient traffic and severe environment due to the characteristics of high transportation speed, high efficiency and accurate delivery.

At present, the unmanned aerial vehicle mostly adopts to put goods and materials in the nacelle, the nacelle is hooked at the gravity center position of the unmanned aerial vehicle, and the nacelle is thrown to convey the goods and materials after the unmanned aerial vehicle arrives at a destination. Some throwing mechanisms in the prior art realize unhooking by controlling the movement and unlocking of a bolt through a steering engine, and the defects that a nacelle is difficult to hook, the hooking is unstable, the unlocking resistance is large and the unlocking is blocked in the transportation process of materials with large volume and heavy weight are overcome. Some of the devices are controlled by a plurality of controllers to realize mounting and throwing, the process is complicated, and if one controller has a problem, the whole throwing is in failure risk.

Disclosure of Invention

In view of the above disadvantages of the prior art, the present invention aims to provide a double-point throwing mechanism, an aircraft and a throwing method, which are used for solving the problem that the throwing mechanism in the prior art is prone to jamming and failure.

In order to achieve the above objects and other related objects, the present invention provides a double-point throwing mechanism, which comprises two sets of throwing devices, wherein the throwing devices comprise:

the switching position of the hooking part comprises a hooking position and an unloading position, and the hooking rotating part can rotate to drive the hooking part to switch between the hooking position and the unloading position;

a locking rotor, the switching position of which includes a locking position and an unlocking position, the hooking portion being held at the hooking position when the locking rotor is connected to the hooking rotor at the locking position;

the driving assembly is connected with the locking rotating piece and used for driving the locking rotating piece to rotate to switch between a locking position and an unlocking position so as to realize locking and unlocking of the hook rotating piece at the hook position;

when the hook parts of the two groups of throwing devices are positioned at the hook parts, all the hook parts are matched to ensure that the lifted articles are kept in supporting balance; when the hook parts of at least one group of throwing devices are positioned at the unloading position, the support balance of the hoisted articles fails, so that the hoisted articles are separated from the two groups of throwing devices.

Optionally, when the hook of the dosing device is locked in the hook position, the hook is inclined downwards.

Optionally, the active end that the hook rotated the piece is equipped with the draw-in groove, the active end that the locking rotated the piece is equipped with locking portion, the locking rotated the piece and passes through locking portion with the locking of draw-in groove joint is realized the hook rotated the piece and is located the hook position.

Optionally, the mounting end of the hook rotating piece bends and extends along one side back to the clamping groove to form the hook portion; when the hook part is at the hook position and in the switching process between the hook position and the unloading position, the hanging surface of the hook part for hanging and hoisting articles is an inclined plane which inclines downwards.

Optionally, the movable end of the hook rotating member is provided with an arc surface, the arc surface is in smooth transition with the side wall reverse-buckling surface of the clamping groove, and the locking portion slides into the clamping groove along the arc surface and is fastened with the side wall reverse-buckling surface in a matched mode.

Optionally, the drive assembly includes driving piece and elasticity piece that resets, elasticity piece that resets is used for driving the locking and rotates the piece and resets and stop in the lock position, the driving piece with the locking rotates the piece and connects for it overcomes the power that resets and rotates and switch over to the position of unblock to drive the locking.

Optionally, the drive assembly further comprises a connecting rod, two ends of the connecting rod are hinged to the output ends of the locking rotating piece and the driving piece respectively, and at least one end of the connecting rod is provided with a strip-shaped groove for hinging.

Optionally, put in the device and still include the mount pad, the hook rotates the piece with the locking rotates the piece and rotates respectively to be installed on the mount pad, the hook rotates the piece and is located the below that the locking rotated the piece.

Optionally, the mount pad includes pedestal and spacing seat ear, spacing seat ear passes through the retaining member and is connected with the pedestal, the hook rotate the piece the installation end with the installation end that the locking rotated the piece rotates respectively through the connecting piece and installs on the spacing seat ear, the installation end that the locking rotated the piece is equipped with the first spacing portion that rotates a rotation range with retaining member cooperation restriction locking, be equipped with the spacing portion of second that the restriction hook rotated a rotation range on the pedestal.

Optionally, the double-point throwing mechanism further comprises a lifting lug assembly for externally lifting the articles, the lifting lug assembly comprises two lifting lugs in one-to-one correspondence with the hooking rotating pieces of the two groups of throwing devices, the lifting lugs are of rigid structures, and the distance between the two lifting lugs is relatively fixed.

Optionally, the two groups of the releasing devices are symmetrically arranged, the distance between the hooking parts of the releasing devices is a first distance, the distance between the hooking parts of the releasing devices is a second distance, and the distance between the two lifting lugs is between the first distance and the second distance.

Optionally, the dispensing device further comprises a controller for controlling the driving assembly to be powered on and off.

In order to achieve the above objects and related objects, the present application further provides an aircraft, which includes a body, and further includes the above-mentioned double-point throwing mechanism, and two sets of the throwing devices are symmetrically installed on two opposite sides of the body.

In order to achieve the above objects and the related objects, the present application further provides a throwing method of the double-point throwing mechanism, comprising the following steps:

adjusting the state of the throwing device, respectively adjusting the hook rotating piece and the locking rotating piece to an unloading position and a locking position, and powering off the driving assembly through the controller so as to enable the driving assembly to be in a power-off state;

loading alignment, namely moving the lifting lug assembly to the position below the hook rotating piece, and adjusting the position of the lifting lug assembly to enable the lifting lug to be positioned between the movable end of the corresponding hook rotating piece and the hook part;

loading, namely enabling the lifting lug to ascend and move to be abutted against the movable end of the hooking rotating piece, and driving the hooking rotating piece to rotate so as to enable the hooking part to gradually extend into the lifting lug, and enabling the lifting lug to continuously ascend until the hooking rotating piece rotates to a hooking position to be matched and locked with the locking rotating piece located at the locking position;

And unloading, wherein the driving assembly is electrified through the controller so as to be in an electrified state, and the driving assembly of at least one group of throwing devices in the two groups of throwing devices operates to drive the locking rotating piece to rotate to be separated from the hook rotating piece so as to ensure that the hook rotating piece is unlocked to be separated from the lifting lug from the hook position overturning to the unloading position.

As described above, the double-point throwing mechanism, the aircraft and the throwing method of the present invention have at least the following beneficial effects: the throwing mechanism is flexible in operation and not prone to clamping stagnation failure, and through the cooperation of the two groups of throwing devices, successful throwing can be guaranteed when at least one group of throwing devices normally operate, and the throwing mechanism is more stable and reliable.

Drawings

FIG. 1 is a schematic view of a hooking rotating member of an embodiment of the double-point throwing mechanism of the present invention in an unloading position;

FIG. 2 is a schematic view showing the hooking rotating member of the double-point throwing mechanism of FIG. 1 in hooking position;

FIG. 3 is a schematic diagram of the operation of the double-point throwing mechanism of FIG. 1;

FIG. 4 is a schematic structural diagram of the dispensing device of FIG. 1;

figure 5 shows a cross-sectional view of the delivery device of figure 4;

fig. 6 shows a schematic view of a loading process of the dispensing device of fig. 1;

FIG. 7 is a schematic view of the unloading process of the dispensing device of FIG. 1;

FIG. 8 is a schematic illustration of a portion of an aircraft according to an embodiment of the invention;

FIG. 9 is a schematic view of the interior structure of the aircraft of FIG. 8;

description of reference numerals

100-hooking the rotating member; 101-a card slot; 102-a hook portion; 103-arc surface; 104-side wall undercut; 200-locking the rotating member; 201-a locking part; 202-a first limit portion; 300-a drive assembly; 301-a driver; 3011-a rocker arm; 302-an elastic return member; 303-a connecting rod; 3031-a strip groove; 400-a mounting seat; 401-seat body; 402-limit seat lugs; 403-a first locking member; 404-a second retaining member; 405-a first connector; 406-a second connector; 407-a second limiting part; 600-body; 700-lifting lugs; 800-handling articles.

Detailed Description

The embodiments of the present invention are described below with reference to specific embodiments, and other advantages and effects of the present invention will be easily understood by those skilled in the art from the disclosure of the present specification. The invention is capable of other and different embodiments and of being practiced or of being carried out in various ways, and its several details are capable of modification in various respects, all without departing from the spirit and scope of the present invention.

Please refer to fig. 1 to 9. It should be noted that the drawings provided in the present embodiment are only for illustrating the basic idea of the present invention, and the components related to the present invention are only shown in the drawings rather than drawn according to the number, shape and size of the components in actual implementation, and the type, quantity and proportion of the components in actual implementation may be changed freely, and the layout of the components may be more complicated. The structures, proportions, sizes, and other dimensions shown in the drawings and described in the specification are for understanding and reading the present disclosure, and are not intended to limit the scope of the present disclosure, which is defined in the claims, and are not essential to the art, and any structural modifications, changes in proportions, or adjustments in size, which do not affect the efficacy and attainment of the same are intended to fall within the scope of the present disclosure. In addition, the terms "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for clarity of description, and are not intended to limit the scope of the present invention, and the relative relationship between the terms and the terms is not to be construed as a scope of the present invention.

Before describing embodiments of the present invention in detail, a description will be given of an environment in which the present invention is applied. The technology of the invention is mainly applied to the field of aircrafts, in particular to the technical field of aerial material throwing of aircrafts. The invention solves the problems that the traditional aircraft is easy to generate clamping stagnation failure, low in safety, high in failure rate, easy to throw articles in failure and the like in the material throwing process.

Referring to fig. 1 to 7, in one embodiment, the present application provides a double-point throwing mechanism, which includes two sets of throwing devices. The releasing device includes a hooking rotor 100, a locking rotor 200, and a driving assembly 300. The hook rotating part 100 is provided with a hook part 102, the switching position of the hook part 102 comprises a hook position and an unloading position, and the hook rotating part 100 can rotate to drive the hook part 102 to switch between the hook position and the unloading position. The switching position of the locking rotor 200 includes a locking position and an unlocking position, and the hooking part 102 is held in the hooking position when the locking rotor 200 is connected to the hooking rotor 100 at the locking position; the driving assembly 300 is connected to the locking rotator 200, and the driving assembly 300 is configured to drive the locking rotator 200 to rotate to switch between a locking position and an unlocking position, so as to lock and unlock the hooking rotator 100 at the hooking position. When the hook parts 102 of the two groups of throwing devices are positioned at the hook positions, the hook parts 102 are matched to keep the lifted article 800 supported and balanced; when the hook 102 of at least one of the sets of drop devices is in the unloading position, the support balance of the hoisted articles 800 is lost, so that the hoisted articles are separated from both sets of drop devices.

Optionally, the rotation positions of the hooking rotation member 100 include a hooking position and an unloading position, and when the hooking rotation member 100 rotates to switch between the hooking position and the unloading position, the hooking portion 102 is driven to switch between the hooking position and the unloading position, so as to hook and unload the hoisted article 800.

Optionally, when the hook portion 102 of the throwing device is located at the hook position, the hook portion 102 inclines downwards, so that after the lifting article 800 is successfully unloaded with one of the hook portions 102, the lifting article 800 can automatically break away from the other throwing device along the downward sliding of the hook portion 102 under the action of gravity, so that the lifting article 800 can be successfully unloaded as long as at least one set of throwing device can normally operate in two sets of throwing devices, smooth and easy disengagement with each hook portion 102 of the lifting article 800 is facilitated, the risk of throwing failure is reduced, and the throwing device is safer and more reliable.

The double-point throwing mechanism in the embodiment has the advantages that through a simple structure, the hooking rotating piece 100 and the locking rotating piece 200 can rotate to be matched at different positions to realize hooking and unloading of the lifting object 800, clamping stagnation is not easy to occur, the groups of throwing devices are matched to realize unloading of the lifting object 800 as long as at least one group of throwing devices normally operates, unloading risks are reduced, and the double-point throwing mechanism is stable and reliable.

Referring to fig. 3 to 7, in an embodiment, the dropping device further includes a mounting base 400, the hooking rotation element 100 and the locking rotation element 200 are respectively rotatably mounted on the mounting base 400, and the hooking rotation element 100 is located below the locking rotation element 200, so that the hooking rotation element 100 can be turned downwards to an unloading position under the gravity of the lifted article 800 after being unlocked, and the lifted article 800 can be dropped from the hooking rotation element 100.

Optionally, the mounting base 400 includes a base body 401 and a limiting base lug 402, the limiting base lug 402 is connected with the base body 401 through a locking member, the mounting end of the hook rotation member and the mounting end of the locking rotation member are respectively rotatably mounted on the limiting base lug 402 through a connecting member, the mounting end of the locking rotation member is provided with a first limiting portion 202 which is matched with the locking member to limit the rotation range of the locking rotation member 200, the base body 401 is provided with a second limiting portion 407 which is used for limiting the rotation range of the hook rotation member 100, so that the hook rotation member 100 and the locking rotation member 200 can rotate within a controllable range, and the reliability of the whole structure can be ensured.

Optionally, the spacing lug 402 comprises a seat plate, two opposite sides of the seat plate are provided with a support lug, and a gap region between the two support lugs is used for installing the hooking rotation element 100 and the locking rotation element 200. The locking members can be screws, the locking members comprise a first locking member 403 and a second locking member 404, the seat plate is connected with the seat body 401 through the first locking member 403 and the second locking member 404, the connection is firm, the limiting seat lug 402 is not prone to shaking, the rotation range of the locking rotation member 200 is limited through the matching of one of the locking members and the first limiting part 202, a limiting structure is not required to be arranged independently, parts are reduced, and the structure is simplified; in this embodiment, the second locking member 404 located below the first locking member 403 can be engaged with the first position-limiting portion 202 in a limiting manner. The connecting piece can be a plug screw and comprises a first connecting piece 405 and a second connecting piece 406, the mounting end of the hooking rotating piece extends into the clearance area of the limiting seat lug 402 and is rotatably connected with the limiting seat lug 402 through the first connecting piece 405, so that the hooking rotating piece 100 can turn around the first connecting piece 405, the mounting end of the locking rotating piece extends into the clearance area of the limiting seat lug 402 and is rotatably connected with the limiting seat lug 402 through the second connecting piece 406, and the locking rotating piece 200 can turn around the second connecting piece 406. Furthermore, the first connecting piece 405 and the second connecting piece 406 form an eccentric layout on the limiting seat lug 402, so that the hooking rotating piece 100 is conveniently matched with the locking rotating piece 200 to realize locking in the overturning process, and the device is compact and reasonable in layout, not easy to block and small in occupied space.

Optionally, the pedestal 401 can be an L-shaped structure, and the pedestal can be externally mounted on the machine body through screws, so that the mounting is flexible and convenient.

Referring to fig. 1 to 7, in an embodiment, a clamping groove 101 is disposed on a movable end of the hooking rotating member 100, a locking portion 201 is disposed on a movable end of the locking rotating member 200, and the locking rotating member 200 is locked with the clamping groove 101 by the locking portion 201 to lock the hooking rotating member 100 to the hooking position.

Optionally, the mounting end of the hooking rotating part 100 bends and extends along the side back to the slot 101 to form a hooking part 102; when the hook part 102 is at the hook position, the hanging surface of the hook part 102 for hanging the hanging article 800 is an inclined surface inclined downwards; and when the hooking part 102 is switched between the hooking position and the unloading position, the mounting surface is also an inclined surface inclined downwards, so that the mounting and unloading of the lifted article 800 are facilitated. The hanging surface is an inclined surface with a certain inclination angle, so that the hanging process is free from obstruction, and the hanging object 800 is convenient to be separated from the hanging part 102. Further, the hooking portion 102 may be a straight bar structure, and when hooking, the straight bar structure is inclined downward, which is simple in structure, convenient to produce and manufacture, and low in cost.

Optionally, when the hook 102 turns over to contact with the second limiting portion 407, the hook 102 turns over to the maximum unloading position, the hook may be vertically downward, and the hanging surface is a vertically downward plane.

Optionally, the hooking rotating part 100 is located below the movable end of the hooking rotating part and inclines downwards in the switching process between the hooking position and the unloading position, so that a gap area between the hooking part 102 and the movable end of the hooking rotating part forms a groove, and the hanging end of the lifting article 800 enters the groove to be matched with the hooking part 102 for hanging.

Optionally, an arc surface 103 is disposed at a movable end of the hooking rotating member 100, the arc surface 103 is in smooth transition with the side wall reverse-buckling surface 104 of the clamping groove 101, and the locking portion 201 slides into the clamping groove 101 along the arc surface 103 and is matched and fastened with the side wall reverse-buckling surface 104. Adopt arc surface 103 rounding off to lateral wall back-off face 104 to make the hook rotate piece 100 with the locking play the guide effect when rotating the piece 200 cooperation locking, be convenient for realize the carry installation of handling article 800 to locking portion 201 slips into behind the draw-in groove 101 with lateral wall back-off face 104 chucking, avoids the hook to rotate piece 100 and the locking rotation piece 200 from unlocking after the locking, improves the reliability of structure.

Referring to fig. 4 to 7, in an embodiment, the driving assembly 300 includes a driving member 301 and an elastic resetting member 302, the elastic resetting member 302 is configured to drive the locking rotator 200 to reset and stay at the locking position, the driving member 301 is connected to the locking rotator 200, and the driving member 301 is configured to drive the locking rotator 200 to rotate to switch to the unlocking position against a resetting force of the elastic resetting member 302. In one particular exemplary embodiment, for example, the resilient return member 302 provides a resilient return force that causes the locking rotor 200 to rotate clockwise, and the first position-limiting portion 202 and the second locking member 404 cooperate to limit the clockwise rotation range of the locking rotation member 200, so that the locking rotor 200 remains in place ready for locking engagement with the hooking rotor 100, when the hooking rotation member 100 rotates until the arc surface 103 collides with the locking portion 201 of the locking rotation member 200, the hooking rotation piece 100 continues to rotate to drive the locking rotation piece 200 to rotate counterclockwise against the reset force, the locking part 201 slides into the slot 101 along the arc surface 103 and is fastened with the side wall reverse fastening surface 104, the hooking rotation piece 100 stops rotating, the hook stably stays at the hook position, and the contact surfaces of the locking part 201 and the clamping groove 101 form a reverse buckling type for matching and fastening, so that the matching stability is ensured, and the locking and unlocking operations are simplified; when the article 800 needs to be unlocked, the driving element 301 drives the locking rotating element 200 to rotate counterclockwise, so that the locking portion 201 is withdrawn from the locking slot 101, and the hooking rotating element 100 is unlocked and rotates clockwise under the action of the gravity of the article 800, so that the article 800 is smoothly separated from the hooking portion 102.

Optionally, the driving assembly 300 further includes a connecting rod 303, two ends of the connecting rod 303 are respectively hinged to the output ends of the locking rotating member 200 and the driving member, and at least one end of the connecting rod 303 is provided with a strip-shaped groove 3031 for hinging, so as to avoid generating over-constraint and damaging the driving member 301. Further, the one end that connecting rod 303 and driving piece 301 are connected is equipped with bar groove 3031, and the length direction of bar groove 3031 distributes along connecting rod 303 length direction, and the output of driving piece can pass bar groove 3031 through the screw and articulate with connecting rod 303. The rocker 3011 of the driving member 301 is hinged to the connecting rod 303 as an output end, a screw penetrates through a mounting hole in the rocker 3011 and the strip-shaped groove 3031 to enable the rocker 3011 to be hinged to the connecting rod 303, and the strip-shaped groove 3031 is arranged at one end, connected with the rocker 3011, of the connecting rod 303 to enable the rocker 3011 not to rotate along with the movement of the connecting rod 303 within a certain range, so that the driving member 301 is prevented from being damaged due to over-constraint.

Optionally, the driving element 301 may be a steering engine, the steering engine may be externally connected to the body 600 through an L-shaped steering engine seat, and the steering engine seat may be connected to the body 600 through a screw, which is simple and convenient to connect.

Alternatively, the elastic restoring member 302 may be a double torsion spring, a tension spring or other members capable of providing elastic force. The elastic restoring member 302 may be installed on the mounting seat 400 and connected with the locking rotator 200 to provide a restoring force to the locking rotator 200. When elasticity piece 302 that resets is two torsional springs, the open end of two torsional springs can fixed mounting on spacing seat ear 402, the blind end card of two torsional springs is on the activity end of locking rotation piece, it is concrete, the installation end that the locking rotated the piece is located two torsional springs open end, first connecting piece 405 passes two torsional springs and the installation end of locking rotation piece, with two torsional springs, locking rotation piece 200 is installed on spacing seat ear 402, the closed end of two torsional springs avoids the pin joint at locking rotation piece 200 top and supports and lean on the top of locking rotation piece 200, provide the elasticity that resets for the gyration of locking rotation piece 200, realize the reset function of locking rotation piece 200. When the elastic reset piece 302 is a tension spring, the tension spring is located below the locking rotation piece 200 and avoids the moving area of the hook rotation piece 100, one end of the tension spring can be connected with the seat body 401 or the limiting seat lug 402, the other end of the tension spring is connected with the moving end of the locking rotation piece, the moving end of the locking rotation piece is pulled by the tension of the tension spring to rotate clockwise, and the first limiting part 202 and the second locking piece 404 are matched for limiting so that the locking rotation piece 200 rotates clockwise to the locking position to stop.

Referring to fig. 1 to 7, in an embodiment, the double-point throwing mechanism further includes a lifting lug assembly for externally connecting the hoisted article 800, the lifting lug assembly includes two lifting lugs 700 corresponding to the hooking rotating members 100 of the two sets of throwing devices one to one, the lifting lugs 700 are rigid structures, and the distance D1 between the two lifting lugs 700 is relatively fixed, the lifting lugs 700 are stable in shape and not prone to deformation, the distance between the two lifting lugs 700 is relatively fixed, so that the lifting lug assembly can be stably hung on the hooking portion 102, and the hoisted article 800 is prevented from being deformed or shaking to be separated from the hooking portion 102 in the transferring process.

Alternatively, the lifting lug 700 may be made of a hard material, such as cemented carbide, stainless steel, or other materials with certain deformation resistance, so as to ensure that the lifting lug 700 can not only push the hooking rotation member 100 to rotate, but also avoid the deformation from falling off the hooking portion 102 during the hoisting process.

Optionally, the two groups of dropping devices are symmetrically arranged, and the hooking rotating members 100 of the two groups of dropping devices can adjust the distance between the two hooking portions 102 in the turning process, so as to meet the requirements of the hanging and unloading of the hoisted article 800. The distance D3 between the hooks 102 of the two sets of the releasing devices at the hooking position is a first distance, the distance D2 between the hooks 102 of the two sets of the releasing devices at the unloading position is a second distance, and the distance D1 between the two lifting eyes 700 is between the first distance and the second distance, so that the lifting eyes 700 are aligned with the gap area between the hooks 102 and the movable end of the hooking rotating member, thereby ensuring accurate mounting and unloading. Further, the lifting lug assembly is located between two sets of throwing devices, or two sets of throwing devices are located between two lifting lugs 700, in a specific exemplary embodiment of the present embodiment, the lifting lug assembly is located between two sets of throwing devices, the two hooking rotating members 100 are oppositely arranged, and the distance D1 between the two lifting lugs 700 is greater than the first distance and smaller than the second distance; in addition, when the hook rotates the piece 100 and is located the uninstallation position, the interval D4 between the expansion end of two hook rotates the piece is the third interval, and the interval D1 between two lugs 700 is greater than the third interval for lug 700 rises and to contradict with the expansion end of the hook rotates the piece, and drives the expansion end of the hook rotates the piece and overturns around the pin joint.

Optionally, the lifting lug assembly and the lifted article 800 may be rigidly connected, which is beneficial to keep the relative distance between the two lifting lugs 700 of the lifting lug assembly fixed, and avoid the free shaking of each lifting lug 700 from disengaging from the hook 102. The lifting lug assembly can be directly and rigidly connected with the lifting article 800, or the lifting lug assembly further comprises an object carrying frame, the lifting lug 700 is rigidly connected with the object carrying frame, and the lifting article 800 is placed in the object carrying frame.

Optionally, the lifting lug 700 is a U-shaped structure with an opening facing downward, and the bottom of the lifting lug 700 may be rigidly connected to the hoisted article 800 or a carrying frame for placing the hoisted article 800.

Referring to fig. 1 to 3, in an embodiment, the throwing device further includes a controller for controlling the power on and off of the driving assembly 300, when the locking rotating member 200 needs to unlock the hooking rotating member 100, the controller controls the power on of the driving assembly 300, and when the locking rotating member 200 does not need to unlock the hooking rotating member 100, the controller controls the driving assembly 300 to be always in the power off state to ensure safety performance, especially in a flight process, before the lifted article 800 reaches a throwing point, the driving assembly 300 keeps the power off state to make the driving assembly 300 unable to operate, so as to avoid that the lifted article 800 drops halfway due to false start of the driving assembly 300, and reduce risks. Furthermore, the controller is connected with the power distribution equipment of the driving assembly 300, an operator can remotely control the power on or off of the driving assembly 300 through the controller, the operation is flexible, simple and convenient, and the driving assembly 300 can be remotely powered on or powered off at any time according to requirements; or the releasing device further comprises a position switch, the position switch is connected with the controller and the power distribution equipment of the driving assembly 300, and the controller can send a power supply instruction to the power distribution equipment according to a releasing signal fed back by the position switch, so that the power distribution equipment is controlled to supply power or cut off power for the driving assembly 300. The specific control logic of the controller for controlling the driving assembly 300 to be powered on or powered off is the prior art, and is not described herein again.

In one embodiment, each part of the dispensing device can be made of metal materials, which is beneficial to increasing the structural strength and prolonging the service life.

Referring to fig. 1 to 9, in an embodiment, the present application further provides an aircraft, which includes an airframe 600, and further includes a double-point throwing mechanism as in any one of the above embodiments.

Optionally, the two groups of releasing devices are symmetrically installed on two opposite sides of the machine body 600, specifically, the installation base 400 may be installed on the machine body 600 by screws, and the lifting object 800 may be hooked on the hooking rotating member 100 by the lifting lug 700. Further, the two sets of throwing devices are symmetrically installed on the inner side walls of the two opposite sides of the machine body 600.

Optionally, the seat 401 and the driving member 301 are respectively installed in the load compartment of the machine body 600 by screws, so that the installation is flexible and convenient. Specifically, the driving member 301 is installed on a side wall in the load compartment, the seat body 401 is installed at the bottom in the load compartment, an opening is formed in the bottom of the load compartment for loading and unloading the hoisted article 800, the seat body 401 is distributed on the periphery of the opening, and the hooking rotating member 100 faces the opening, so that the lifting lug 700 enters from the opening to be hooked with the hooking rotating member 100 in a matching manner. The throwing devices are arranged in a double-point mode, the two groups of throwing devices are symmetrically arranged in the load cabin, and the hoisted objects 800 are hung on the hook parts 102 of the two groups of throwing devices through the two lifting lugs 700, so that the hoisting device is favorable for bearing the hanging of large load, and the hanging capacity is higher.

Referring to fig. 1 to 9, in an embodiment, the present application further provides a throwing method of the double-point throwing mechanism according to any one of the above embodiments, including the following steps:

adjusting the state of the throwing device, adjusting the hooking rotating piece 100 and the locking rotating piece 200 to an unloading position and a locking position, respectively, and powering off the driving assembly 300 through the controller so that the driving assembly 300 is in a power-off state;

loading alignment, moving the lifting lug assembly to a position below the hooking rotating member 100, and adjusting the position of the lifting lug assembly so that the lifting lug 700 is positioned between the movable end of the corresponding hooking rotating member and the hooking portion 102;

loading, in which the lifting lug 700 is moved upward to abut against the movable end of the hooking rotation member, and the hooking rotation member 100 is driven to rotate so that the hooking portion 102 gradually extends into the lifting lug 700, and the lifting lug 700 continues to move upward until the hooking rotation member 100 rotates to the hooking position to be engaged and locked with the locking rotation member 200 located at the locking position;

and unloading, wherein the driving assembly 300 is powered on through the controller so as to enable the driving assembly 300 to be in a powered state, and the driving assembly 300 of at least one of the two groups of throwing devices operates to drive the locking rotating piece 200 to rotate to be separated from the hooking rotating piece 100, so that the hooking rotating piece 100 is enabled to be unlocked and turned over from the hooking position to the unloading position to be separated from the lifting lug 700.

Further, referring to fig. 6 and 7, the operation process of the dispensing device is as follows: initially, in the state a1, the hooking rotation member 100 is located at the unloading position, the hooking portion 102 is located vertically downward and abuts against the second stopper portion 407, the locking rotation member 200 is located at the locking position, and the first stopper portion 202 abuts against the second lock member 404; when the hanging load is needed, the lifting lug 700 rises and abuts against the movable end of the hook rotating piece, the hook rotating piece 100 rotates to gradually approach the locking portion 201, the state of A2 is reached, the locking portion 201 contacts with the arc surface 103, the state of A3 is reached, the hook rotating piece 100 continues to rotate to enable the locking portion 201 to gradually approach the clamping groove 101 along the arc surface 103, the hook portion 102 also gradually passes through the lifting lug 700, the state of A4 is reached, the locking portion 201 slides into the clamping groove 101 and is fastened with the side wall reverse-fastening surface 104, the lifting lug 700 stops rising and is hung on the hook portion 102, the locking portion 201 and the side wall reverse-fastening surface 104 are matched to enable the hook rotating piece 100 to stop at the hook position. When unloading is required, the driving assembly 300 drives the locking rotating member 200 to overcome resistance to overturn and separate from the slot 101, and reaches a state of B1, the locking rotating member 200 is in an unlocking position, the hooking rotating member 100 is unlocked to rotate from the hooking position, and reaches a state of B2, the hooking portion 102 gradually withdraws from the lifting lug 700 until reaching a state of B3, the hooking portion 102 completely withdraws from the lifting lug 700, the lifting lug 700 separates from the hooking portion 102, and reaches a state of B4, and the hooking rotating member 100 stays at the unloading position under the action of the second limiting portion 407.

According to the double-point throwing mechanism, the aircraft and the throwing method, the hoisted objects are hung on the double-point throwing mechanism through the double-point hook by virtue of the simple structure, the hanging and unloading processes are simplified, clamping stagnation is not easy to occur, the structural strength is ensured, the hanging requirements of different loads can be met, the risk that substances cannot be successfully thrown due to failure of single-point throwing can be reduced, and the safety and the reliability are improved.

In the description of the present specification, reference to the description of the terms "present embodiment," "example," "specific example," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing embodiments are merely illustrative of the principles and utilities of the present invention and are not intended to limit the invention. Those skilled in the art can modify or change the above-described embodiments without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which may be made by those skilled in the art without departing from the spirit and scope of the present invention as defined in the appended claims.

Claims

1. The utility model provides a two some throwing mechanisms which characterized in that includes two sets of throwing devices, the throwing device includes:

when the hook parts of the two groups of throwing devices are positioned at the hook parts, all the hook parts are matched to ensure that the lifted articles are kept in supporting balance; when the hook part of at least one group of throwing devices is positioned at the unloading position, the support balance of the lifted articles fails, so that the lifted articles are separated from the two groups of throwing devices.

2. The double-point throwing mechanism of claim 1 wherein: when the hook part of the releasing device is positioned at the hook position, the hook part inclines downwards.

3. The double-point throwing mechanism of claim 1 wherein: the lock comprises a hook and a rotating piece, wherein a clamping groove is formed in the movable end of the hook and the rotating piece, a locking portion is arranged at the movable end of the locking and rotating piece, the locking portion is used for locking the clamping groove joint to achieve locking of the hook and the rotating piece, and the hook and the rotating piece are locked in the hook position.

4. The double-point throwing mechanism of claim 3 wherein: the mounting end of the hook rotating piece bends and extends along one side back to the clamping groove to form the hook part; when the hook part is at the hook position and in the switching process between the hook position and the unloading position, the hanging surface of the hook part for hanging and hoisting articles is an inclined plane which inclines downwards.

5. The double-point throwing mechanism of claim 3 wherein: the movable end of the hook rotating piece is provided with an arc surface, the arc surface is in smooth transition with the side wall reverse-buckling surface of the clamping groove, and the locking part slides into the clamping groove along the arc surface and is matched and fastened with the side wall reverse-buckling surface.

6. The double-point throwing mechanism according to any one of claims 1 to 5, characterized in that: the drive assembly comprises a driving piece and an elastic resetting piece, wherein the elastic resetting piece is used for driving the locking rotating piece to reset and stay in the locking position, the driving piece is connected with the locking rotating piece and used for driving the locking rotating piece to overcome the resetting force and rotate to switch to the unlocking position.

7. The double-point throwing mechanism of claim 6 wherein: the drive assembly further comprises a connecting rod, the two ends of the connecting rod are hinged to the output ends of the locking rotating piece and the driving piece respectively, and at least one end of the connecting rod is provided with a strip-shaped groove used for hinging.

8. The double-point throwing mechanism of any one of claims 1 to 5, wherein: the releasing device further comprises a mounting seat, the hook rotates the piece and the locking rotates the piece to be respectively rotatably installed on the mounting seat, and the hook rotates the piece to be located below the locking rotation piece.

9. The double-point throwing mechanism of claim 8 wherein: the mount pad includes pedestal and spacing seat ear, spacing seat ear passes through the retaining member and is connected with the pedestal, the hook rotate the piece the installation end with the installation end that the locking rotated the piece rotates respectively through the connecting piece and installs on the spacing seat ear, the installation end that the locking rotated the piece is equipped with and restricts the first spacing portion that rotates a rotation range with the retaining member cooperation, be equipped with the spacing portion of second that the restriction hook rotated a rotation range on the pedestal.

10. The double-point throwing mechanism of any one of claims 1 to 5, wherein: the double-point throwing mechanism further comprises a lifting lug assembly for externally connecting and lifting articles, the lifting lug assembly comprises two lifting lugs in one-to-one correspondence with the hooking rotating pieces of the two groups of throwing devices, the lifting lugs are of rigid structures, and the distance between the two lifting lugs is relatively fixed.

11. The double-point throwing mechanism of claim 10 wherein: the two groups of the releasing devices are symmetrically arranged, the distance between the hook parts of the releasing devices in the hook position is a first distance, the distance between the hook parts of the releasing devices in the unloading position is a second distance, and the distance between the two lifting lugs is between the first distance and the second distance.

12. The double-point throwing mechanism according to any one of claims 1 to 5, characterized in that: the throwing device also comprises a controller which is used for controlling the power-on and power-off of the driving component.

13. An aircraft comprising an airframe, characterized in that: the double-point throwing mechanism as claimed in any one of claims 1 to 12, wherein the two groups of throwing devices are symmetrically arranged on two opposite sides of the machine body.

14. A method for double-point throwing mechanism according to any one of claims 1 to 12, characterized by comprising the following steps:

Loading, wherein the lifting lug is lifted to abut against the movable end of the hooking rotating piece, the hooking rotating piece is driven to rotate so as to enable the hooking part to gradually extend into the lifting lug, and the lifting lug continuously rises until the hooking rotating piece rotates to the hooking position to be matched and locked with the locking rotating piece positioned at the locking position;