CN111717521B - Can realize directional no umbrella air-drop packing that touches to ground buffering - Google Patents
Can realize directional no umbrella air-drop packing that touches to ground buffering Download PDFInfo
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- CN111717521B CN111717521B CN202010456070.3A CN202010456070A CN111717521B CN 111717521 B CN111717521 B CN 111717521B CN 202010456070 A CN202010456070 A CN 202010456070A CN 111717521 B CN111717521 B CN 111717521B
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- wind resistance
- layer wind
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- 230000003139 buffering effect Effects 0.000 title claims abstract description 25
- 238000012856 packing Methods 0.000 title description 7
- 239000000463 material Substances 0.000 claims abstract description 54
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 13
- 229910052782 aluminium Inorganic materials 0.000 claims description 12
- 238000009434 installation Methods 0.000 claims description 7
- 238000003466 welding Methods 0.000 claims description 6
- 229910001069 Ti alloy Inorganic materials 0.000 claims description 2
- 230000009471 action Effects 0.000 claims description 2
- 239000002131 composite material Substances 0.000 claims description 2
- 229920000642 polymer Polymers 0.000 claims description 2
- 238000004806 packaging method and process Methods 0.000 abstract description 9
- 230000005484 gravity Effects 0.000 abstract description 3
- 230000007246 mechanism Effects 0.000 abstract description 2
- 230000000087 stabilizing effect Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 8
- 230000008569 process Effects 0.000 description 8
- 239000000872 buffer Substances 0.000 description 6
- 238000011161 development Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000004411 aluminium Substances 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 239000006173 Good's buffer Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007123 defense Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D25/00—Details of other kinds or types of rigid or semi-rigid containers
- B65D25/20—External fittings
- B65D25/24—External fittings for spacing bases of containers from supporting surfaces, e.g. legs
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D25/00—Details of other kinds or types of rigid or semi-rigid containers
- B65D25/02—Internal fittings
- B65D25/10—Devices to locate articles in containers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D81/00—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents
- B65D81/02—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents specially adapted to protect contents from mechanical damage
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Buffer Packaging (AREA)
Abstract
The invention discloses an umbrella-free air-drop package capable of realizing directional grounding buffering, belonging to the technical field of buffering mechanisms in the aerospace field, and comprising a material support to be air-dropped and an air-drop material package matched with the material support; the middle part of the material support to be airdropped is provided with a sliding rail; the upper end of the material bracket to be airdropped is provided with a flexible structure limiting rod; the air-dropped material packaging main body is formed by splicing an upper shell and a lower shell; the upper end of the air-dropped material packaging main body is provided with a double-layer wind resistance flexible structure; an inner container is arranged in the air-dropping material packaging main body; a slide rail hanging lug is arranged on the outer side of the lower shell; the double-layer wind resistance structure comprises an upper layer wind resistance structure and a lower layer wind resistance structure; the invention realizes the function of quickly stabilizing the posture through a simpler double-layer wind resistance flexible structure and further realizes the quick stability of the posture by utilizing the characteristic of a partial mass center with lower gravity center.
Description
Technical Field
The invention belongs to the technical field of buffer mechanisms in the aerospace field, and particularly relates to an umbrella-free air-drop package capable of achieving directional grounding buffer.
Background
Airborne airdrop refers to an operation of delivering personnel, materials or equipment to a predetermined area on the ground or on the water surface from a transporter or a helicopter, and the equipment is mainly used for military operations of an airborne troop or a special troop and can also be used in civil fields such as disaster relief or transportation in remote areas. The air drop is divided into conventional air drop and special air drop, the conventional air drop refers to a process of binding goods and materials or equipment on a standard cargo bed and dropping the goods and the equipment on the ground by using an expandable pneumatic speed reducer such as a parachute, and the special air drop refers to other modes such as accurate air drop, cargo bed-free air drop, rocket buffering air drop, ultra-low air drop, boat air drop, manned air drop, umbrella-free air drop and the like when the cargo bed mode cannot be adopted or is inconvenient to adopt for air drop. In order to meet the characteristics of rapid response, wide range, various forms, combined attack and defense and rapid combat of modern airborne air-drop operation, the special air-drop has good development prospect due to rapidity and compatibility.
In special air drop, the umbrella-free air drop has the advantages of short preparation time, rapid delivery, simple package, small influence by weather, small landing dispersion, reusability and the like, and becomes a development trend of equipment material guarantee mode in future battle activities.
The air bag buffering is one of the main buffering modes in the field of military air drop at present, and the buffering air bag mainly absorbs impact energy in the landing process by compressing or exhausting gas per se so as to achieve the protection effect on goods and equipment. The buffer air bag has high reliability, good buffer performance and low cost, and is widely applied to the fields of equipment material air-drop, unmanned aerial vehicle recovery, heavy equipment air-drop, landing recovery of an aerospace vehicle and the like.
However, when the air bag is used for buffering the air-drop precision instrument, the instrument can be damaged after the ground is touched due to uncontrollable posture when the instrument freely falls in the air, and the air resistance received by the air bag after the air bag is inflated can be increased, so that the ground-contact radius of the instrument is increased.
Because gasbag buffering possess essential shortcoming, still study and utilize the aluminium honeycomb in the space buffer to cushion, under the condition of assisting the drogue, the air-drop packing that utilizes the aluminium honeycomb to cushion can fall to the ground with better gesture, but its compare in gasbag buffering possess higher drop shock impact.
In conclusion, the existing umbrella-free air-drop package cannot achieve good landing accuracy and aerial interference resistance, and meanwhile, the posture of the existing umbrella-free air-drop package in a low-air-drop operation state is not guaranteed, so that improvement is waited.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides an umbrella-free air-drop package capable of realizing directional ground contact buffering, the air-drop package utilizes foamed aluminum for buffering, the larger buffering when an aluminum honeycomb falls to the ground is relieved, a support is designed to ensure the initial posture, and meanwhile, the air anti-jamming capability is improved by utilizing the design of a partial mass center.
The invention is realized by the following steps:
an umbrella-free air-drop package capable of achieving directional ground contact buffering is characterized by comprising an air-drop package complete machine, wherein the air-drop package complete machine comprises a to-be-air-drop material support and a plurality of air-drop material packages arranged in the to-be-air-drop material support in an inner side mode; the material support to be airdropped comprises a base and a plurality of groups of mounting rods perpendicular to the base, wherein flexible structure limiting rods are arranged at the top ends of the mounting rods; a group of slide rails is arranged between the flexible structure limiting rod and the base, namely the inner side of the mounting rod; the airdrop material package is positioned between the group of slide rails;
the air-dropped material package comprises an upper shell and a lower shell, wherein the lower shell is heavier than the upper shell in mass, the upper shell is made of a light high-strength polymer composite material, the lower shell is made of a metal material with high specific strength such as titanium alloy and the like, and the mass difference enables the body to have the characteristic of eccentric center of mass.
The upper end of the upper shell is provided with a double-layer wind resistance flexible structure, the double-layer wind resistance structure is a parachute-type structure consisting of two concentric circles, and the upper end of the double-layer wind resistance structure is arranged at the top end of the upper shell by rivets. Specifically, the double-layer wind resistance flexible structure comprises an upper layer wind resistance structure and a lower layer wind resistance structure; the unfolding angle of the upper layer wind resistance structure is larger than that of the lower layer wind resistance structure; the double-layer wind resistance structure is made of a light and high-strength supersonic umbrella, the upper layer wind resistance structure is larger in diameter after being unfolded, the lower layer wind resistance structure is smaller in diameter after being unfolded, and the anti-interference capability in the airborne process is realized through the matching of the two structures.
The interior survey of last shell and lower shell be provided with inside container, last shell, lower shell and inside container subassembly coaxial arrangement, the lateral wall clearance of lower shell, inside container between be provided with the pull rod, the pull rod is six even settings under between shell inboard and inside container, adopt the modulus suitable, the better metal of ductility makes, can slow down the impact that the landing process brought for inside container. A gap is arranged between the lower shell and the bottom of the inner container; the outer wall of the lower shell is provided with a slide rail hanging lug.
Furthermore, the outer side of the double-layer wind resistance structure is fixed by a wind resistance flexible structure hoop in a furled state.
Furthermore, the base is of a two-rail structure and consists of four groups of mounting rods vertical to the base; the installation of slide rail and flexible construction gag lever post is parallel with the track on the base, and with the installation between the pole connected mode be spot welding and be connected.
Furthermore, one end of the flexible structure limiting rod is provided with a horn-shaped inlet; the middle part of the slide rail is provided with a slide rail slope. The horn opening of the support for the airdropped goods and materials is formed by extending the flexible limiting rod outwards at the end part, and plays a role in positioning when the package for the airdropped goods and materials is loaded. The middle part of the sliding rail is provided with a sliding rail slope and a trumpet-shaped inlet, so that the installation time can be saved when the air-drop material package is installed manually.
Furthermore, the upper shell is connected with the lower shell, and the sliding rail hangers are connected with the lower shell through spot welding. The upper shell and the lower shell are both hollow barrel-shaped structures.
Furthermore, the length of the slide rail hanging lug is determined by the diameter of the slide rail, and after the installation is finished, a sliding pair is formed between the slide rail hanging lug and the slide rail, so that the air-dropped material package can slide in the direction of the slide rail in the material support to be air-dropped.
Compared with the prior art, the invention has the beneficial effects that:
1. the function of quickly stabilizing the posture can be realized through a simpler double-layer wind resistance flexible structure;
2. the rapid and stable posture can be further realized by utilizing the characteristic of a partial mass center with a lower gravity center;
3. because the falling shock attitude is stable, the buffer design can be emphasized on the lower half part contacting with the ground without wrapping the buffer component with the container, and the weight of the whole airdrop package is effectively reduced;
4. by designing the matched support and the matched slide rail, the efficiency of the assembly process is effectively improved, the uniformity of the initial posture of the throwing machine room is improved, and the success rate of air drop is improved;
5. the foamed aluminum is utilized for buffering, and compared with the traditional aluminum honeycomb, the aluminum honeycomb has a more flexible buffering process, and can effectively reduce the drop impact, so that the inner container is effectively protected.
Drawings
FIG. 1 is a completely assembled view of an umbrella-free air-drop packaging machine capable of achieving directional ground contact buffering;
FIG. 2 is a structural diagram of a support for an umbrella-free air-drop package capable of realizing directional ground contact buffering;
FIG. 3 is a development structure view of an umbrella-free aerial delivery package capable of achieving directional ground contact buffering;
FIG. 4 is a drawing of an umbrella-free aerial delivery package for directional ground contact buffering;
FIG. 5 is a cross-sectional view of an unfolded state of an umbrella-free aerial delivery package with directional touchdown cushioning;
wherein: 1-air-drop packing machine, 11-to-be-air-drop material support, 12-air-drop material packing, 111-flexible structure limiting rod, 112-slide rail, 113-base, 114-installation rod, 1111-horn-shaped inlet, 1121-slide rail slope, 121-double-layer wind resistance flexible structure, 1211-upper wind resistance structure, 1212-lower wind resistance structure, 122-lower shell, 123-upper shell, 124-pull rod, 125-inner container, 126-foamed aluminum, 127-slide rail suspension loop and 128-wind resistance flexible structure hoop.
Detailed Description
The invention discloses an umbrella-free air-drop package capable of realizing directional ground contact buffering, and in order to make the purpose, technical scheme and effect of the invention clearer and clearer, the invention is further described in detail by referring to the attached drawings and taking examples.
As shown in figure 1, the umbrella-free air-drop package capable of realizing directional grounding buffering comprises a to-be-air-drop material support 11 and an air-drop material package 12, wherein the to-be-air-drop material support 11 and the air-drop material package 12 are connected in a sliding attachment mode through a sliding rail 112 in the to-be-air-drop material support 11 and a sliding rail hanging lug 127 in the air-drop material package 12.
As shown in fig. 2, the material support 11 to be airfed includes a flexible structure limiting rod 111, a slide rail 112, and a base 113.
As shown in fig. 3 to 5, the airdrop material package 12 includes a double-layer wind resistance flexible structure 121, a lower casing 122, an upper casing 123, a pull rod 124, an inner container 125, foamed aluminum 126, a slide rail hanging lug 127, and a wind resistance flexible structure hoop 128. Specifically, the air-drop package comprises a support 11 for materials to be air-dropped and an air-drop material package 12 matched with the support; a slide rail 112 is arranged in the middle of the material support 11 to be airdropped; the upper end of the material support 11 to be airdropped is provided with a flexible structure limiting rod 111; the air-dropped material packaging main body is formed by splicing an upper shell 123 and a lower shell 122; the upper end of the air-dropped material packaging main body is provided with a double-layer wind resistance flexible structure 121; a slide rail slope 1121 is arranged in the slide rail 112; one end of the flexible structure limiting rod is provided with a horn opening structure 1111; an inner container 125 is arranged in the air-dropping material packaging main body; the outer side of the lower shell is provided with a slide rail hanging lug 127; a pull rod is arranged between the inner side of the lower shell and the inner container; foamed aluminum 126 is arranged between the lower end of the inner side of the lower outer shell and the bottom end of the inner container; the double-layer wind resistance structure comprises an upper layer wind resistance structure 1211 and a lower layer wind resistance structure 1212; the outer side of the double-layer wind resistance structure is fixed by a wind resistance flexible structure hoop in a furled state; the upper shell, the lower shell and the inner container assembly are coaxially arranged.
The material support 11 to be airdropped is essentially of an undeformable structure, all components in the support are connected in a spot welding mode, and the main body of the support is of a support structure connected through four groups of mounting rods arranged in parallel; the slide rail 112 is a main bearing rod, is directly connected with the slide rail hanging lug 127 in the air-drop material package 12, and simultaneously comprises a slide rail slope 1121, and has the main functions of saving the working strength of workers in the air-drop process and controlling the transverse initial speed of the air-drop; the flexible structure gag lever post 111 expand at the tip and extend for horn-shaped structure 1111 main function for restrict the rocking of air-drop material packing 12 on the support and make things convenient for the complete machine to install, make the air-drop process more controllable.
The wind resistance flexible structure hoop 128 of the present invention is a folded state limiting double-layer wind resistance structure before the airdrop task starts, so that it cannot be unfolded, and needs to be manually taken down before the airdrop task starts.
In the airdrop material package 12 of the present invention, the double-layer wind resistance flexible structure 121 is composed of an upper wind resistance structure 1211 and a lower wind resistance structure 1212, and the two structures are automatically unfolded at the initial stage of falling (i.e. the moment of just throwing away from the cabin). The upper layer wind resistance structure 1211 has a larger unfolding angle and is mainly used for providing enough posture self-correcting pneumatic resistance moment when the longitudinal axis of the material packaging body has a larger initial included angle relative to the gravity direction at the initial falling stage; the lower layer wind resistance structure 1212 has a smaller expansion angle, and is mainly used for providing a larger pneumatic resistance moment after the falling attitude angle of the material packaging body is corrected to be within an ideal range, so that the body subjected to slight disturbance maintains a stable falling attitude.
There is obvious quality poor between last shell 123 and the lower shell 122 in the air-dropped supplies packing 12, leads to appearing the inclined to one side barycenter phenomenon, and the stability of gesture of falling to the ground can better be realized to the double-deck windage structure 121 of cooperation.
The tie rod 124 of the invention is a connecting structure between the shell and the container which are circumferentially and uniformly distributed on the inner wall of the shell, and is made of metal material with proper elastic modulus and better ductility, when the container is buffered by touching the ground, the container moves vertically downwards relative to the shell under the action of inertia, namely, the kinetic energy of the container is dissipated through the plastic deformation of the tie rod.
The aluminum foam 126 of the present invention is laid in a position between the bottom of the vessel and the outer shell and serves primarily to filter the instantaneous peak impact loads upon touchdown so that the instantaneous peak overload factor transmitted to the inner vessel is limited to a desired range.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that modifications can be made by those skilled in the art without departing from the principle of the present invention, and these modifications should also be construed as the protection scope of the present invention.
Claims (7)
1. The umbrella-free air-drop package capable of achieving directional grounding buffering is characterized by comprising an air-drop package finishing machine (1), wherein the air-drop package finishing machine (1) comprises a to-be-air-drop material support (11) and a plurality of air-drop material packages (12) arranged on the inner side of the to-be-air-drop material support (11);
the material support (11) to be airdropped comprises a base (113) and a plurality of groups of mounting rods (114) perpendicular to the base (113), wherein the top ends of the mounting rods (114) are provided with flexible structure limiting rods (111); a group of slide rails (112) are arranged between the flexible structure limiting rod (111) and the base (113), namely the inner side of the mounting rod (114); the airdrop material package (12) is positioned between a group of sliding rails (112);
the airdrop material package (12) comprises an upper shell (123) and a lower shell (122), wherein the lower shell (122) is heavier than the upper shell (123); the upper end of the upper shell (123) is provided with a double-layer wind resistance flexible structure (121); the double-layer wind resistance flexible structure (121) comprises an upper layer wind resistance structure (1211) and a lower layer wind resistance structure (1212); the unfolding angle of the upper layer wind resistance structure (1211) is larger than that of the lower layer wind resistance structure (1212);
the inner sides of the upper shell (123) and the lower shell (122) are provided with inner containers (125), a pull rod (124) is arranged between side wall gaps of the lower shell (122) and the inner containers (125), the pull rod (124) is a connecting structure between the shells and the containers which are circumferentially and uniformly distributed on the inner walls of the shells, and when the containers are in contact with the ground and buffered, the containers move vertically downwards relative to the shells under the action of inertia, namely, the kinetic energy of the containers is dissipated through the plastic deformation of the pull rod (124); a foamed aluminum (126) is arranged between the bottom gaps of the lower shell (122) and the inner container (125); the outer wall of the lower shell (122) is provided with a slide rail hanging lug (127).
2. An umbrella-free aerial delivery package with directional touchdown cushioning according to claim 1, wherein the double layer wind-resistant flexible structure (121) is secured to the outer upper end of the upper housing (123) by a wind-resistant flexible structure clip (128).
3. The package of claim 1, wherein the base (113) is a two-rail structure with four sets of vertical mounting rods (114); the slide rail (112) and the flexible structure limiting rod (111) are installed in parallel with the track on the base, and are connected with the installation rod (114) in a spot welding mode.
4. The package for achieving the directional touchdown cushion of the parachute-free air-drop according to claim 1, wherein one end of the flexible structure limiting rod (111) is provided with a trumpet-shaped inlet (1111); a slide rail slope (1121) is arranged in the middle of the slide rail (112).
5. The package of claim 1, wherein the upper housing (123) and the lower housing (122) are connected by spot welding, and the rail lugs (127) and the lower housing (122) are connected by spot welding.
6. The package for the air-drop without the umbrella capable of achieving the directional ground contact buffering as claimed in claim 1, wherein the length of the rail hanging lug (127) is determined by the diameter of the rail (112), and after the installation is completed, a moving pair is formed between the rail hanging lug (127) and the rail (112), so that the air-drop material package (12) can slide in the direction of the rail (112) in the material support (11) to be air-dropped.
7. The package of claim 1, wherein the upper shell is made of a light high-strength polymer composite material, and the lower shell is made of a titanium alloy; the lower shell (122) is heavier than the upper shell (123), and the mass difference enables the body to have the characteristic of eccentric center of mass.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010456070.3A CN111717521B (en) | 2020-05-26 | 2020-05-26 | Can realize directional no umbrella air-drop packing that touches to ground buffering |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010456070.3A CN111717521B (en) | 2020-05-26 | 2020-05-26 | Can realize directional no umbrella air-drop packing that touches to ground buffering |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111717521A CN111717521A (en) | 2020-09-29 |
| CN111717521B true CN111717521B (en) | 2021-04-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010456070.3A Active CN111717521B (en) | 2020-05-26 | 2020-05-26 | Can realize directional no umbrella air-drop packing that touches to ground buffering |
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| CN (1) | CN111717521B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113232987B (en) * | 2021-04-16 | 2022-09-06 | 湖北航天化学技术研究所 | Adjustable vertical pipe body transferring device and transferring method |
| CN115848624B (en) * | 2023-02-24 | 2023-06-23 | 北京瀚科智翔科技发展有限公司 | Hanging type aviation collection loading tool for parachute-free air drop |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201864037U (en) * | 2010-11-26 | 2011-06-15 | 航宇救生装备有限公司 | Umbrella-free air-drop supplier |
| CN105307934A (en) * | 2013-05-29 | 2016-02-03 | 库克基金会 | Aerial delivery system |
| EP3275776A1 (en) * | 2016-07-26 | 2018-01-31 | The Boeing Company | Water landing parachute trap and method |
| CN209192241U (en) * | 2018-09-27 | 2019-08-02 | 绵阳阿拉丁医学科技有限公司 | A kind of water knife air-drop structure |
| KR102062695B1 (en) * | 2019-05-31 | 2020-01-06 | 제이티드론협동조합 | carrier for drone |
| CN110861837A (en) * | 2019-12-18 | 2020-03-06 | 汤勇刚 | Umbrella-free air-drop device |
-
2020
- 2020-05-26 CN CN202010456070.3A patent/CN111717521B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201864037U (en) * | 2010-11-26 | 2011-06-15 | 航宇救生装备有限公司 | Umbrella-free air-drop supplier |
| CN105307934A (en) * | 2013-05-29 | 2016-02-03 | 库克基金会 | Aerial delivery system |
| EP3275776A1 (en) * | 2016-07-26 | 2018-01-31 | The Boeing Company | Water landing parachute trap and method |
| CN209192241U (en) * | 2018-09-27 | 2019-08-02 | 绵阳阿拉丁医学科技有限公司 | A kind of water knife air-drop structure |
| KR102062695B1 (en) * | 2019-05-31 | 2020-01-06 | 제이티드론협동조합 | carrier for drone |
| CN110861837A (en) * | 2019-12-18 | 2020-03-06 | 汤勇刚 | Umbrella-free air-drop device |
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| Publication number | Publication date |
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| CN111717521A (en) | 2020-09-29 |
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