CN111731486B

CN111731486B - parachute ejection device

Info

Publication number: CN111731486B
Application number: CN202010501742.8A
Authority: CN
Inventors: 冯安安; 汪溢; 张绍伟; 李嵘; 杜哲; 龚琳舒; 何文海; 朱显明; 姚永超; 诸戈; 王大为
Original assignee: Shanghai Institute of Electromechanical Engineering
Current assignee: Shanghai Institute of Electromechanical Engineering
Priority date: 2020-06-04
Filing date: 2020-06-04
Publication date: 2023-12-19
Anticipated expiration: 2040-06-04
Also published as: CN111731486A

Abstract

The invention provides a parachute ejection device, which comprises a starting bracket component, a rotating bracket component, a box accommodating device and a parachute device, wherein the starting bracket component can be connected with flying equipment; the starting bracket component and the rotating bracket component are respectively connected with the box accommodating device, the rotating bracket component is rotationally connected with the starting bracket component, and the parachute device is arranged in the box accommodating device; the box body accommodating device comprises a locking mechanism; the parachute ejection device comprises a locking state and an opening state, and when the parachute ejection device is in the locking state, the locking mechanism can lock the box accommodating device to lock the parachute device in the box accommodating device; when the parachute ejection device is in an open state, the locking mechanism can open the box accommodating device, and the rotating support assembly and the starting support assembly can release the parachute device to the outside of the box accommodating device. The invention has simple structure and convenient operation, can rapidly realize the release of the parachute device and reduce the occurrence of high-altitude safety accidents.

Description

Parachute ejection device

Technical Field

The invention relates to the field of flight equipment, in particular to a parachute ejection device, and especially relates to a full-automatic parachute ejection device suitable for an unmanned aerial vehicle.

Background

With the continuous development of science and technology, particularly the rapid development of the aviation field, such as the development and the development of airplanes, fixed-wing unmanned aerial vehicles, multiaxis aircrafts and the like, the automatic parachute ejection device also becomes an indispensable important part of the system. In the research and development of unmanned aerial vehicles at present, along with the progress of technology, strict requirements are also placed on safety and stability of unmanned aerial vehicles. The current fixed wing unmanned aerial vehicle and multiaxis aircraft mainly is by remote control and then control the operation work in the far away by the remote controller remote control, owing to be manual operation remote controller, and aircraft flight speed is fast moreover, in case break down, so its safety guarantee is optimistic, will influence normal combat mission like this, like data, image transmission etc. work of taking photo by plane will receive very big influence, and the restoration degree of difficulty is big after the unmanned aerial vehicle crash. Under the condition of complex environment, the unmanned aerial vehicle does not have landing conditions, and can realize safe landing under the complex environment. The device not only ensures that the unmanned aerial vehicle can safely recover after faults occur, but also ensures the safety of equipment, realizes autonomous landing under multiple environments, and is extremely large for military and civil use.

Therefore, the unmanned aerial vehicle is required to be provided with the automatic pop-up parachute mechanism device, so that the unmanned aerial vehicle can automatically pop-up a parachute with a protective effect when an accident or emergency forced landing is needed, the unmanned aerial vehicle can be prevented from happening, the unmanned aerial vehicle is recycled in a specific environment, the safety of aircraft equipment is protected, the damage to surrounding people caused by high-altitude falling of the aircraft can be avoided, and the unmanned aerial vehicle is quite beneficial to people.

Patent document with publication number of CN209142374U discloses an unmanned aerial vehicle, and folding mechanism drives many suspension wing horn to expand when unmanned aerial vehicle takes off, and lift power device work this moment, vertical take off, and continuation of journey power device is inoperative. When the vehicle starts to cruise, the cruise power device pushes the unmanned aerial vehicle, and at the moment, the folding mechanism drives the multi-suspension-wing arm to retract to the vehicle body, and the lifting power device stops working. When the unmanned aerial vehicle lands, the multi-suspension-wing aircraft arms are unfolded again, and the lifting power device works to the land surface. Through increasing folding mechanism, reduce unmanned aerial vehicle and cruise the resistance and vortex that bring by many suspension wing horn and lift power device, promote the flight efficiency and control nature of cruising. The unmanned aerial vehicle is simple and reliable in structure, and can take off and land vertically while guaranteeing the efficiency and the operability of the airplane approaching to the pure fixed wings. However, the parachute is not arranged in the patent, and unmanned aerial vehicle accidents cannot be effectively avoided.

Disclosure of Invention

Aiming at the defects in the prior art, the invention aims to provide a parachute ejection device.

The invention provides a parachute ejection device, which comprises a starting bracket component, a rotating bracket component, a box accommodating device and a parachute device, wherein the starting bracket component can be connected with flying equipment; the starting support assembly and the rotating support assembly are respectively connected with the box accommodating device, the rotating support assembly is rotationally connected with the starting support assembly, and the parachute device is arranged in the box accommodating device;

the box accommodating device comprises a locking mechanism;

the parachute ejection device comprises a locking state and an opening state, and when the parachute ejection device is in the locking state, the locking mechanism can lock the box accommodating device to lock the parachute device in the box accommodating device;

when the parachute ejection device is in an open state, the locking mechanism can open the box accommodating device, and the rotating support assembly and the starting support assembly can release the parachute device to the outside of the box accommodating device.

Preferably, the box accommodating device comprises a box body, a box cover, a slide fastener, a locking mechanism and a box body supporting rod;

the box cover is provided with one or more torsion springs, the box cover is connected with the box body through the torsion springs, and the box cover is locked through a locking mechanism;

the parachute device is arranged in the box body, and the sliding buckle is arranged on the side wall of the box body;

the box body supporting rod is arranged on the upper part of the box body along the circumferential direction.

Preferably, the box body is provided with a locking control mechanism, the locking control mechanism is connected with the locking mechanism and can control the locking mechanism to be locked and unlocked, and the locking control mechanism can be connected with the upper computer through signals.

Preferably, the slide fastener comprises a connecting fastener, a slide fastener vertical bar and a buckle, wherein the slide fastener vertical bar is arranged on the side wall of the box body, the connecting fastener is arranged on one surface of the slide fastener vertical bar, which is positioned on the outer side of the box body, and the buckle is arranged on one surface of the slide fastener vertical bar, which is positioned on the inner side of the box body;

the connecting buckle is connected with the rotating bracket component, the buckle can lock or release the parachute device under the drive of the sliding buckle vertical bar, and the sliding buckle vertical bar is made of elastic materials.

Preferably, a groove is formed in one side, facing the box, of the box support rod along the axial direction, and the parachute device can slide in the groove;

the end part of the groove is provided with a limiting structure, and the limiting structure can limit the sliding of the parachute device.

Preferably, the starting bracket assembly comprises a plurality of bracket structures and a first side link, wherein the plurality of bracket structures are connected with each other through the first side link, and the bracket structures comprise a bracket, a bracket rod and an elastic part;

the support is of a tubular structure, one end of the support is a connecting end, the connecting end can be connected with flying equipment, the other end of the support is an ejecting end, and the support rod is axially arranged inside the tubular support;

one end of the elastic component is connected with the support, the other end of the elastic component is connected with the support rod, the support rod is connected with the parachute device, and the support rod can be popped out from the popping end along the axial direction of the support under the action of the elastic component;

when the parachute ejection device is in a locking state, the support rod is locked by the slide fastener of the box accommodating device through the parachute device, and the elastic component is in an energy storage state;

when the parachute ejection device is in an open state, the slide buckle of the box accommodating device releases the parachute device, and the support rod ejects the parachute device out of the box accommodating device under the action of the elastic component.

Preferably, the elastic component adopts the extension spring, and the extension spring cover is established on the cradling piece, and the one end of extension spring is connected the support and is popped out the end, and the one end that the cradling piece was kept away from to the other end of extension spring, and the one end that the cradling piece is close to pop out the end is connected the parachute assembly.

Preferably, the rotating bracket assembly comprises a rotating bracket group and a second side link;

the rotating frame groups are correspondingly arranged with the box cover of the box accommodating device, and the rotating frame groups are connected with each other through second side links;

the rotating frame groups are circumferentially distributed along the box accommodating device.

Preferably, the turret group comprises one or more turrets, the turrets comprising a first turret section, a second turret section and a third turret section;

one end of the first rotating section is provided with a rotating ring, one end of the first rotating section is connected with a first side link of the starting bracket component through the rotating ring, the other end of the first rotating section is connected with one end of the second rotating section, the other end of the second rotating section is connected with one end of the third rotating section, the other end of the third rotating section is a transmission end, and an included angle is formed between the first rotating section and the third rotating section;

the second rotating section is connected with a slide fastener of the box accommodating device through the connecting rod;

the transmission end can drive the rotating frame group to rotate around the first side link of the starting bracket component under the impact of the box cover of the box body accommodating device.

Preferably, the second side link adopts a telescopic link structure and/or adopts an elastic material.

Compared with the prior art, the invention has the following beneficial effects:

1. the invention has simple structure and convenient operation, can rapidly realize the release of the parachute device and reduce the occurrence of high-altitude safety accidents.

2. According to the technical scheme that the locking mechanism is unlocked through the locking control mechanism so as to release the parachute, when the flying equipment fails or cannot automatically fall, the parachute with a protective function can be automatically and rapidly ejected, so that economic loss caused by safety accidents is reduced, and further safety guarantee is provided for the high-altitude operation of the flying equipment.

3. The invention adopts the box cover to pop up and strike the rotating bracket assembly, thereby leading the rotating bracket assembly to unlock the slide buckle and release the parachute device, the whole process is simple and continuous, the time for releasing is short, and the parachute can be opened rapidly.

4. The starting bracket component adopts the elastic component, the elastic component stores energy when in a locking state, and the elastic component releases energy when in an opening state so as to enable the parachute to pop out, thereby effectively shortening the time for popping out the parachute, saving the reaction time and avoiding the occurrence of safety accidents.

Drawings

Other features, objects and advantages of the present invention will become more apparent upon reading of the detailed description of non-limiting embodiments, given with reference to the accompanying drawings in which:

fig. 1 is a schematic view of the structure of the present invention in a locked state.

Fig. 2 is a schematic structural view of an actuating bracket assembly according to the present invention.

Fig. 3 is a schematic structural view of a rotating bracket assembly according to the present invention.

Fig. 4 is a schematic structural view of the housing unit according to the present invention.

Fig. 5 is a schematic view of the structure of the present invention in an open state.

Fig. 6 is a schematic view of the structure of the invention except for the parachute in the opened state.

The figure shows:

second side link 9 of bracket 1

Bracket rod 2 slide fastener 10

Parachute device 11 with elastic member 3

First side link 4 locking mechanism 12

Locking control mechanism 13 of rotating ring 5

Turret block 6 box cover 14

Torsion spring 15 of connecting rod 7

Box 8 box supporting rod 16

Detailed Description

The present invention will be described in detail with reference to specific examples. The following examples will assist those skilled in the art in further understanding the present invention, but are not intended to limit the invention in any way. It should be noted that variations and modifications could be made by those skilled in the art without departing from the inventive concept. These are all within the scope of the present invention.

In the description of the present application, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, merely to facilitate description of the present application and simplify the description, and do not indicate or imply that the devices or elements being referred to must have a specific orientation, be configured and operated in a specific orientation, and are not to be construed as limiting the present application.

The invention provides a parachute ejection device, in particular to a full-automatic parachute ejection device suitable for an unmanned aerial vehicle, which is designed for carrying out safe forced landing under the environment that unmanned aerial vehicle breaks down or cannot land by aiming at the safety of unmanned aerial vehicle equipment and surrounding people under the conditions by analyzing the conditions of concentrated crowd, complex environment and faults of unmanned aerial vehicle equipment, so that when an aerial vehicle which carries out high-altitude operation breaks down or cannot land autonomously, the aerial vehicle which carries out high-altitude operation can be ensured, a remote control device sends out an instruction to control the parachute ejection device to automatically eject a parachute with a protective function rapidly, thereby reducing economic loss caused by safety accidents and further providing safety guarantee for the high-altitude operation of the aerial vehicle.

The invention is mainly used in the technical fields of military unmanned aerial vehicles, aeromodelling and the like, and particularly is mainly used for an automatic ejection device which can quickly eject a parachute to play a protective role when an aircraft such as an unmanned aerial vehicle and the like has an emergency. Under the environment of dense urban personnel and complex topography, the unmanned aerial vehicle is used for protecting the life and property safety of people and the safety of the unmanned aerial vehicle, especially for military unmanned aerial vehicles and aerial photographing equipment of fan in the field of aerial photographing, and can provide solid protection effect. The invention relates to a mechanical structure design and an integrated mechanism combined with control. The speed reducing device is a speed reducing device which plays a role in protecting life and property safety when facing emergency, and can be used for a series of production and practice activities. Particularly plays a vital protective role in the research and development experiments and high-altitude operation of the aircraft.

According to the parachute ejection device provided by the invention, as shown in fig. 1-6, the parachute ejection device comprises a starting bracket assembly, a rotating bracket assembly, a box accommodating device and a parachute device 11, wherein the starting bracket assembly can be connected with flying equipment; the starting bracket component and the rotating bracket component are respectively connected with the box accommodating device, the rotating bracket component is rotationally connected with the starting bracket component, and the parachute device 11 is arranged in the box accommodating device; the case accommodating device comprises a locking mechanism 12; the parachute ejection device comprises a locking state and an opening state, and when the parachute ejection device is in the locking state, the locking mechanism 12 can lock the box accommodating device, so that the parachute device 11 is locked inside the box accommodating device; when the parachute ejection device is in an open state, the locking mechanism 12 can open the box accommodating device, and the rotating bracket assembly and the starting bracket assembly can release the parachute device 11 to the outside of the box accommodating device. The parachute device 11 comprises a parachute and a box body, wherein the upper part of the box body is opened, and the parachute is placed in the box body and connected with the box body through a rope.

As shown in fig. 4, the case housing means includes a case 8, a case cover 14, a slider 10, a locking mechanism 12, and a case support bar 16; the number of the box covers 14 is one or more, torsion springs 15 are arranged on the box covers 14, the box covers 14 are connected with the box body 8 through the torsion springs 15, and the box covers 14 are locked through the locking mechanism 12; the parachute device 11 is arranged in the box body 8, and the slide fastener 10 is arranged on the side wall of the box body 8; the case support bar 16 is provided at an upper portion of the case 8 in the circumferential direction. The box body 8 is provided with a locking control mechanism 13, the locking control mechanism 13 is connected with the locking mechanism 12 and can control the locking mechanism 12 to be locked and unlocked, and the locking control mechanism 13 can be connected with an upper computer through signals.

The upper computer can receive signals and/or user instructions of the sensing device, and control the locking control mechanism 13 to lock or unlock the locking mechanism 12 according to the signals and/or the user instructions of the sensing device, the sensing device can detect the flight condition of the current flight equipment, and when the flight condition is judged to be abnormal, the upper computer sends an unlocking instruction to the locking control mechanism 13, so that the locking mechanism 12 is separated from the box cover 14, and the box cover 14 pops up and opens.

The slide fastener 10 comprises a connecting fastener, a slide fastener vertical bar and a buckle, wherein the slide fastener vertical bar is arranged on the side wall of the box body 8, the connecting fastener is arranged on one surface of the slide fastener vertical bar, which is positioned on the outer side of the box body 8, and the buckle is arranged on one surface of the slide fastener vertical bar, which is positioned on the inner side of the box body 8; the connecting buckle is connected with the rotating bracket assembly, the buckle can lock or release the parachute device 11 under the drive of the vertical bar of the sliding buckle, and in a locking state, the buckle is connected with the parachute device 11 in a clamping mode, and the vertical bar of the sliding buckle is made of elastic materials; the connecting buckle can pull the vertical bar of the sliding buckle to move to the outer side of the box body 8 under the action of the rotating bracket, so that the buckle also moves to the outer side of the box body 8, and the parachute device 11 is loosened. A groove is formed in one side, facing the box 8, of the box support rod 16 along the axial direction, and the parachute device 11 can slide in the groove; the end of the groove is provided with a limiting structure, and the limiting structure can limit the sliding of the parachute device 11.

As shown in fig. 2, the starting bracket assembly comprises a plurality of bracket structures and a first side link 4, wherein the plurality of bracket structures are connected with each other through the first side link 4, and the bracket structures comprise a bracket 1, a bracket lever 2 and an elastic part 3; the support 1 is of a tubular structure, one end of the support 1 is a connecting end, the connecting end can be connected with flying equipment, the other end of the support 1 is an ejecting end, and the support rod 2 is axially arranged inside the tubular support 1; one end of the elastic component 1 is connected with the bracket 1, the other end of the elastic component 1 is connected with the bracket rod 2, the bracket rod 2 is connected with the parachute device 11, and the bracket rod 2 can be popped out from the popping end along the axial direction of the bracket 1 under the action of the elastic component 3; when the parachute ejection device is in a locking state, the bracket rod 2 is locked by the slide fastener 10 of the box accommodating device through the parachute device 11, and the elastic part 3 is in an energy storage state; when the parachute ejection device is in an open state, the slide buckle 10 of the box accommodating device releases the parachute device 11, and the support rod 2 ejects the parachute device 11 out of the box accommodating device under the action of the elastic component 3. The elastic component 3 adopts the extension spring, and the extension spring cover is established on support pole 2, and the one end of extension spring is connected support 1 and is popped out the end, and the one end that support pole 2 was kept away from support 1 and pop out the end is connected to the other end of extension spring, and parachute device 11 is connected to the one end that support pole 2 is close to the end that pops out, and when locking state, the extension spring is in tensile state and energy storage, and when opening state, the extension spring shortens to release energy and pops out support pole 2 from support 1 and pops out the end to pop out parachute device 11 box 8.

The elastic component 3 also can adopt the spring, and spring one end link support 1 link, and the one end that the support pole 2 was kept away from support 1 and pops out the end is connected to the spring other end, and in the locking state, the spring is in compression state and energy storage, and in the open state, the spring extension releases energy and pops out support pole 2 from support 1 and pops out the end to pop out parachute device 11 out box 8.

As shown in fig. 3, the rotating bracket assembly comprises a rotating bracket group 6 and a second side link 9; the rotating frame groups 6 are correspondingly arranged with the box cover 14 of the box body accommodating device, and the rotating frame groups 6 are mutually connected through the second side link 9; the rotating frame groups 6 are distributed along the circumferential direction of the box accommodating device. The turret group 6 comprises one or more turrets, which comprise a first turret section, a second turret section and a third turret section; one end of the first rotating section is provided with a rotating ring 5, one end of the first rotating section is connected with a first side link 4 of the starting bracket component through the rotating ring 5, the other end of the first rotating section is connected with one end of the second rotating section, the other end of the second rotating section is connected with one end of the third rotating section, the other end of the third rotating section is a transmission end, and an included angle is formed between the first rotating section and the third rotating section; the second rotating section is provided with a connecting rod 7, and is connected with a slide fastener 10 of the box accommodating device through the connecting rod 7; the driving end can drive the rotating frame group 6 to rotate around the first side link 4 of the starting bracket assembly under the impact of the box cover 14 of the box accommodating device. The second side link 9 adopts a telescopic link structure and/or adopts an elastic material.

The method for carrying out parachute ejection by utilizing the invention (namely the working principle of the invention) comprises the following steps:

step 1: when the flying equipment has abnormal flying condition, an ejection starting instruction is sent to the locking control mechanism 13;

step 2: the locking control mechanism 13 receives an ejection starting instruction and controls the locking mechanism 12 to be separated from the case cover 14 to release the restriction on the case cover 14;

step 3: the box cover 14 is automatically opened under the action of the torsion spring 15, and the box cover 14 impacts the transmission end of the rotating frame group 6;

step 4: the rotating frame group 6 rotates around the first side link 4 under the impact of the case cover 14, so that the connecting rod 7 moves to the outer side of the case body 8, thereby driving the slide buckle vertical bar of the slide buckle 10 to move to the outer side of the case body 8, and enabling the buckle to move to the outer side of the case body 8 and separate from the parachute device 11, and further loosening the parachute device 11;

step 5: after the parachute device 11 is loosened, the elastic component 3 is changed from the energy storage state to the energy release state to eject the support rod 2 from the ejecting end of the support 1, and the support rod 2 ejects the parachute device 11 out of the box body 8;

step 6: when the parachute device 11 is ejected out of the box body 8, the box body of the parachute device slides out of the box body 8 along the groove on the box body supporting rod 16 and is limited by the limiting structure at the end part of the box body supporting rod 16, and the parachute is rapidly unfolded under the action of air, so that the flying equipment stably drops.

The basic embodiments of the present application have been described above, and the present application will be described in more detail below with reference to preferred embodiments and/or variations of the basic embodiments.

Preferred embodiments:

as shown in fig. 1-6, a parachute ejection device includes an actuating bracket assembly, a rotating bracket assembly, a housing receiving means, and a parachute device 11. The box body accommodating device comprises a box body 8, a box cover 14, a slide buckle 10, a locking mechanism 12, a locking control mechanism 13 and a box body supporting rod 16; the starting bracket assembly comprises a plurality of bracket structures and a first side bracket rod 4, wherein the plurality of bracket structures are connected with each other through the first side bracket rod 4, and the bracket structures comprise a bracket 1, a bracket rod 2 and an elastic part 3; the rotating bracket assembly comprises a rotating bracket group 6, a second side link 9 and a connecting rod 7; the parachute device 11 comprises a parachute and a box body, wherein the upper part of the box body is opened, and the parachute is placed in the box body and connected with the box body through a rope.

The four box body support rods 16 are arranged, the box body 8 comprises four box body side plates, the four box body side plates are rectangular by taking the four box body support rods 16 as edges, the box body side plates are fixedly connected with the box body support rods 16, a groove is formed in one side, facing the inside of the box body 8, of the box body support rods 16 along the axial direction, and the box body of the parachute device 11 can slide in the groove; the end of the groove is provided with a limiting structure, the limiting structure can limit the sliding of the parachute device 11, and the parachute device 11 is arranged inside the box body 8. The two box cover 14 are arranged, the box cover 14 is connected with two box side plates of the box 8 at opposite positions through torsion springs 15, the other two box side plates which are not connected with the box cover 14 are respectively provided with a locking mechanism 12 and a locking control mechanism 13, in a variation, one box side plate which is not connected with the box cover 14 is provided with the locking mechanism 12 and the locking control mechanism 13, the locking mechanism 12 is arranged in the middle of the box side plates, the locking mechanism 12 can lock the two box covers 14 at the same time, the locking control mechanism 13 is connected with the locking mechanism 12 and can control the locking mechanism 12 to be locked and unlocked, and the locking control mechanism 13 can be connected with an upper computer through signals and can control the locking mechanism 12 to be locked and unlocked according to the signals of the upper computer. Two vertical bar-shaped hollows are respectively arranged on two box side plates connected with the box cover 14, in a variation, one vertical bar-shaped hollow is respectively arranged on two box side plates connected with the box cover 14, a slide buckle 10 is arranged in the vertical bar-shaped hollow, the slide buckle 10 comprises a connecting buckle, a slide buckle vertical bar and a buckle, two ends of the slide buckle vertical bar are respectively connected with two ends of the vertical bar-shaped hollow, the connecting buckle is arranged on one surface of the slide buckle vertical bar positioned on the outer side of the box 8, and the buckle is arranged on one surface of the slide buckle vertical bar positioned on the inner side of the box 8; the connecting buckle is connected with the rotating bracket 6 through the connecting rod 7, and can lock or release the parachute device 11 under the drive of the vertical bar of the sliding buckle, and in a locking state, the connecting buckle is connected with the parachute device 11 in a clamping way, and the vertical bar of the sliding buckle is made of elastic materials; the connecting buckle can pull the vertical bar of the sliding buckle to move to the outer side of the box body 8 under the action of the rotating bracket 6, so that the buckle also moves to the outer side of the box body 8, and the parachute device 11 is loosened.

The four support structures are connected with each other through a first side link 4 to form a quadrilateral frame structure, the four support structures are respectively connected with the bottoms of the four box body support rods 16, and the support structures comprise a support 1, a support rod 2 and tension springs; the support 1 is of a tubular structure, one end of the support 1 is a connecting end, the connecting end can be connected with flying equipment, the other end of the support 1 is an ejecting end, and the support rod 2 is axially arranged inside the tubular support 1; the pull spring is sleeved on the support rod 2, one end of the pull spring is connected with the ejection end of the support 1, the other end of the pull spring is connected with one end of the support rod 2, which is far away from the ejection end of the support 1, the end, close to the ejection end, of the support rod 2 is connected with the parachute device 11, when in a locking state, the pull spring is in a stretching state to store energy, and when in an opening state, the pull spring shortens to release energy to eject the support rod 2 from the ejection end of the support 1, so that the parachute device 11 is ejected out of the box body 8.

The two rotating bracket groups 6 are respectively arranged at two sides of a box body side plate connected with a box cover 14, the two rotating bracket groups 6 are connected through a second side link 9, the second side link 9 is positioned below the box body 8, one group of rotating bracket groups 6 comprises two rotating brackets, the two rotating brackets are connected through a cross rod, and each rotating bracket comprises a first rotating section, a second rotating section and a third rotating section; one end of the first rotating section is provided with a rotating ring 5, one end of the first rotating section is connected with a first side link 4 through the rotating ring 5, the other end of the first rotating section is connected with one end of the second rotating section, the other end of the second rotating section is connected with one end of the third rotating section, the other end of the third rotating section is a transmission end, and an included angle is formed between the first rotating section and the third rotating section; the second rotating section is provided with a connecting rod 7, and the second rotating section is connected with a connecting buckle of the slide buckle 10 through the connecting rod 7; the driving end can drive the rotating frame group 6 to rotate around the first side link 4 under the impact of the box cover 14, so that the slide buckle 10 is driven to move towards the outer side of the box body 8, the buckle is separated from the parachute device 11, and the constraint on the parachute device 11 is relieved. The second side link 9 adopts a telescopic link structure and/or adopts elastic materials, and has deformability and resilience under the action of external force. The middle of the second side link 9 is provided with a bearing frame, and the bearing frame is positioned below the box body 8 and can support the box body 8 and the box body of the parachute device 11 in the box body 8.

The foregoing describes specific embodiments of the present invention. It is to be understood that the invention is not limited to the particular embodiments described above, and that various changes or modifications may be made by those skilled in the art within the scope of the appended claims without affecting the spirit of the invention. The embodiments of the present application and features in the embodiments may be combined with each other arbitrarily without conflict.

Claims

1. The parachute ejection device is characterized by comprising a starting bracket assembly, a rotating bracket assembly, a box accommodating device and a parachute device (11), wherein the starting bracket assembly can be connected with flying equipment; the starting bracket component and the rotating bracket component are respectively connected with the box accommodating device, the rotating bracket component is rotationally connected with the starting bracket component, and the parachute device (11) is arranged in the box accommodating device;

the box accommodating device comprises a locking mechanism (12);

the parachute ejection device comprises a locking state and an opening state, and when the parachute ejection device is in the locking state, the locking mechanism (12) can lock the box accommodating device to lock the parachute device (11) in the box accommodating device;

when the parachute ejection device is in an open state, the locking mechanism (12) can open the box accommodating device, and the rotating bracket assembly and the starting bracket assembly can release the parachute device (11) to the outside of the box accommodating device;

the box accommodating device comprises a box (8), a box cover (14), a slide fastener (10), a locking mechanism (12) and a box supporting rod (16);

the box cover (14) is one or more, a torsion spring (15) is arranged on the box cover (14), the box cover (14) is connected with the box body (8) through the torsion spring (15), and the box cover (14) is locked through a locking mechanism (12);

a parachute device (11) is arranged in the box body (8), and a slide fastener (10) is arranged on the side wall of the box body (8);

the box body supporting rod (16) is arranged at the upper part of the box body (8) along the circumferential direction; the sliding buckle (10) comprises a connecting buckle, a sliding buckle vertical bar and a buckle, wherein the sliding buckle vertical bar is arranged on the side wall of the box body (8), the connecting buckle is arranged on one surface of the sliding buckle vertical bar, which is positioned on the outer side of the box body (8), and the buckle is arranged on one surface of the sliding buckle vertical bar, which is positioned on the inner side of the box body (8);

the connecting buckle is connected with the rotating bracket assembly, the buckle can lock or release the parachute device (11) under the drive of the sliding buckle vertical bar, and the sliding buckle vertical bar is made of elastic materials;

the starting bracket assembly comprises a plurality of bracket structures and a first side bracket rod (4), wherein the bracket structures are connected with each other through the first side bracket rod (4), and the bracket structures comprise a bracket (1), a bracket rod (2) and an elastic part (3);

the support (1) is of a tubular structure, one end of the support (1) is a connecting end, the connecting end can be connected with flying equipment, the other end of the support (1) is an ejecting end, and the support rod (2) is axially arranged inside the tubular support (1);

one end of the elastic component (3) is connected with the support (1), the other end of the elastic component (3) is connected with the support rod (2), the support rod (2) is connected with the parachute device (11), and the support rod (2) can be axially ejected from the ejection end along the support (1) under the action of the elastic component (3);

when the parachute ejection device is in a locking state, the bracket rod (2) is locked by the slide fastener (10) of the box accommodating device through the parachute device (11), and the elastic part (3) is in an energy storage state;

when the parachute ejection device is in an open state, the slide fastener (10) of the box accommodating device releases the parachute device (11), and the support rod (2) ejects the parachute device (11) out of the box accommodating device under the action of the elastic component (3);

the rotating bracket assembly comprises a rotating bracket group (6) and a second side link (9);

the rotating frame groups (6) are arranged corresponding to the box covers (14) of the box accommodating device, and the rotating frame groups (6) are connected with each other through second side links (9);

the rotating frame groups (6) are circumferentially distributed along the box accommodating device;

the turret group (6) comprises one or more turrets, the turrets comprising a first turret section, a second turret section and a third turret section;

one end of the first rotating section is provided with a rotating ring (5), one end of the first rotating section is connected with a first side link (4) of the starting support assembly through the rotating ring (5), the other end of the first rotating section is connected with one end of the second rotating section, the other end of the second rotating section is connected with one end of the third rotating section, the other end of the third rotating section is a transmission end, and an included angle is formed between the first rotating section and the third rotating section;

the second rotating section is provided with a connecting rod (7), and the second rotating section is connected with a slide fastener (10) of the box accommodating device through the connecting rod (7);

the transmission end can drive the rotating frame group (6) to rotate around the first side link (4) of the starting bracket component under the impact of the box cover (14) of the box body accommodating device.

2. The parachute ejection device according to claim 1, characterized in that the side of the case support bar (16) facing the case (8) is provided with a groove in the axial direction, in which the parachute device (11) can slide;

the end part of the groove is provided with a limiting structure, and the limiting structure can limit the sliding of the parachute device (11).

3. The parachute ejection device according to claim 1, wherein the elastic component (3) adopts a tension spring, the tension spring is sleeved on the support rod (2), one end of the tension spring is connected with the ejection end of the support (1), the other end of the tension spring is connected with one end of the support rod (2) far away from the ejection end of the support (1), and one end of the support rod (2) close to the ejection end is connected with the parachute device (11).

4. Parachute ejection device according to claim 1, characterized in that the second side link (9) is of telescopic structure and/or of elastic material.