CN203958621U - A kind of air-drop protective system - Google Patents
A kind of air-drop protective system Download PDFInfo
- Publication number
- CN203958621U CN203958621U CN201420319201.3U CN201420319201U CN203958621U CN 203958621 U CN203958621 U CN 203958621U CN 201420319201 U CN201420319201 U CN 201420319201U CN 203958621 U CN203958621 U CN 203958621U
- Authority
- CN
- China
- Prior art keywords
- drop
- gas generator
- air bag
- safety
- impact switch
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
Links
Abstract
The utility model relates to a kind of air-drop protective system, it comprises parachute, safety device, described safety device comprises safety air bag, gas generator and impact switch, one end of safety air bag is directly or indirectly connected with the carrier of parachute, the other end of safety air bag is connected with the gas output end of gas generator, the other end of gas generator is directly or indirectly connected with impact switch, in the time of not only making normally to drop, dropping thing lands more steady, safer, and when parachute can not normally be opened in setting height also can to air-drop thing particularly aviator play certain protective effect, when airborne, be subject to the impact of wind-force also less.
Description
Technical field
When the utility model relates to a kind of air-drop can to air-drop thing particularly aviator play the air-drop protective system of better protective effect.
Background technology
Along with social development, the progress of science and technology, the field of application air-drop is more and more wider, and more and more higher to the requirement of air-drop technology, air-drop is all widely applied at aspects such as the disaster relief, transportation, escape, delivery troops.
Existing air-drop technology is mainly to adopt parachute, utilizes the resistance of air to parachute, and air-drop thing is rendered to ground evenly to be less than the speed of 8 meters per second.But the speed with 4 to 8 meters per second is dropped, also may affect to air-drop thing, particularly fighter-pilot is damaged.Because be to adopt the method for launching to eject cabin when fighter-pilot starts to parachute, and the acceleration ratio launching is larger, causes brain to lose blood cause stupor, swound to some aviators.When aviator falls earthward with the speed of 5 meters of left and right per second, out of the count aviator is because uncontrollable both feet support ground, so or can be by tumble injury.Parachute also has a shortcoming, is exactly that parachute cannot be opened completely when opening altitude is during lower than designing requirement, and the speed of decline is very fast, causes air-drop thing with ground collision and badly damaged, particularly causes the serious tumble injury of aviator, even death.Someone has studied safety air bag has been set in battlebus bottom, and when air-drop with regard to airbag opening, this has just increased the weight of the impact of wind on air-drop, this method is not suitable for for lighter air-drop thing.In order to make fighter-pilot's escape of also parachuting when extreme low-altitude, people have studied " 00 " ejection-seat, but when the state of flight of aircraft does not meet designing requirement, the height that " 00 " ejection-seat ejection failure is opened completely to parachute and cause aviator's injures and deaths.
Therefore, while studying a kind of air-drop can to air-drop thing particularly aviator play the air-drop protective system of better protective effect, be the common objective that people pursue.
Summary of the invention
The purpose of this utility model is the deficiency that existing air-drop technology is existed; provide a kind of more surely safer not only can make to drop thing and land with normal speed time; reduce damage, and can also when certain height proximate freedom falling is fallen, also can play the air-drop protective system of certain protective effect.
For achieving the above object, technical solution adopted in the utility model is:
A kind of air-drop protective system, comprise parachute and safety device, described safety device comprises safety air bag, gas generator and impact switch, one end of safety air bag is directly or indirectly connected with the carrier of parachute, the other end of safety air bag is connected with the gas output end of gas generator, the other end of gas generator is directly or indirectly connected with impact switch, one end of described safety air bag is connected with the carrier of parachute indirectly, the one end that is safety air bag is connected with the bottom of air-drop thing, air-drop thing is connected with carrier by lifting rope, the other end of described gas generator is directly connected with impact switch, that the shell of gas generator and the shell of impact switch are directly connected or same being integrated, the other end of described gas generator is connected indirectly with impact switch, that gas generator is connected by lead-in wire with impact switch.The principle of work of described safety device is: during air-drop, impact switch first arrives Bing Yu ground, ground and bumps, switch in impact switch is closed, the power supply being located in gas generator is powered to firing unit by switch and line, light the gas generant in gas generator, and rapidly to airbag inflated, air-drop thing lands front being first seated on the safety air bag of having inflated, because the safety air bag expanding plays buffer action to air-drop thing, therefore not only more steady when dropping thing and landing, safer, and also can play certain protective effect when parachute can not normally be opened in the height of setting when airborne, the extraction parachute wherein connecting mutually with parachute or opened main parachute or the main parachute do not opened are completely as guides, safety device can be landed by predetermined incidence of criminal offenses.If make safety air bag at overhead higher position inflatable open, impact switch is connected with gas generator by the lead-in wire of corresponding length.If parachute can not normally be opened in certain height, as long as reasonable in design, safety air bag can play certain protective effect to lighter air-drop thing (as aviator etc.), as safety air bag in the height at 50 meters can play certain protective effect.Because the speed of object when the height free fall of 50 meters reaches ground approaches 32 meters per second, this speed is also just equivalent to the speed that car is run at high speed, or be equivalent to two cars to approach the speed sum that 60 ㎞/time goes in the same direction, and some aviator ejection bailout et out of order and injures and deaths in this altitude range.The size of safety air bag be highly to set according to dropping the weight of thing and the size of bottom, shape after expansion also can coordinate the needs that drop thing to design, as air-drop be aviator or paratrooper time shape after air-bag deployment can be made into chair type, while dropping sea, can make inflatable rowboat formula etc., to be on the safe side, impact switch also will arrange and run into the electrical installation that water also can be lighted a fire.Described carrier is braces, hanging basket, hook of parachute etc.Described safety device can adopt the relevant mature technology in automobile air-bag system, is packed up, as be received in ejection-seat before air-drop, and when people's chair is separated, safety device is also separated with ejection-seat, and enters the mode of operation of safety guard-safeguard.It is that ignition device in gas generator is connected with the switch in impact switch that the other end of described gas generator and impact switch are directly or indirectly connected.The speed expanding during due to airbag inflated is very fast, therefore also needs airborne personnel's region of interest that fender guard is set, and avoids the safety air bag expanding at a high speed to damage airborne personnel.
Described safety device method to set up of shape in air-drop is underslung type or bottom mounting type, described underslung type is that impact switch directly or by lead-in wire is connected with gas generator, during air-drop, safety air bag, gas generator and impact switch aloft hang under nature, described bottom mounting type is that safety air bag, gas generator entire package are in rescue bag, and be arranged on the bottom of carrier or be arranged on the bottom of dropping thing, impact switch is connected with gas generator by lead-in wire, and during air-drop, impact switch aloft hangs under nature.Wherein, while adopting bottom mounting type air-drop, the accuracy that air-drop thing is seated on safety air bag is higher than underslung type.Described rescue bag can be boxlike, can be also pocket type, and can smooth opening when airbag inflated.
In described underslung type, to the method to set up of the capsule clothing of safety air bag, be natural style or dressing type, described natural style is the natural shape of the formation after safety air bag is connected with carrier, gas generator, described dressing type is after safety air bag is connected with carrier, gas generator, again safety air bag wrapping is in strip to shape, the pulling force of wrapping button or wrapper material is less than the power of opening of safety air bag.During air-drop, adopt dressing type to be subject to the impact of wind-force less than adopting natural style.
Described safety air bag matches with air-drop thing; described match be airbag inflated after; safety air bag can bear air-drop thing and in the height of setting, do the movement of falling object and drop to above it, and can protect and drop that thing falls earthward safely and safety air bag does not damage.Present automobile air-bag system is used in a large number, and technology is comparative maturity, and therefore, as long as speed when air-drop thing lands is no more than the scope of setting, airborne safety air bag still can bear.
Described impact switch is provided with the bolt device that prevents that its false touch is moving, and described bolt device comprises latch and pin hole, and latch and pin hole match.The object that bolt device is set is to prevent that aircraft from vibrating for a certain reason, or other reasons is subjected to displacement the shock driver in impact switch and causes switch closed, firing unit is ignited gas generant mistakenly, safety air bag is opened in advance in aircraft, causing dropping thing cannot drop, fighter-pilot cannot launch, and jeopardizes the flight safety of aviator's life and aircraft.During air-drop, latch is automatically extracted in pin hole, as by line, latch pulled out when air-drop thing leaves aircraft, or by ejection-seat, latch is extracted when aviator is separated with ejection-seat.
In described air-drop protective system, safety device is set to one to multiple cover, every suit safety device is at least provided with an impact switch, and each impact switch directly or by lead-in wire is connected with gas generator, and all impact switch of same set of safety device are all connected in parallel.When safety device is set to many covers, owing to dropping the impulsive force of thing, be distributed on each safety air bag, so relatively low to the material requirements of safety air bag.Same set of safety device arranges a plurality of impact switch, can reduce the generation of fault.
Described gas generator adopts the gas generator in automobile air-bag system.
The utility model is to have increased safety device on the basis of traditional air-drop technology, while not only making normally to drop, drop thing land more steady, safer, and when parachute when the height of setting can not normally be opened also can to air-drop thing particularly aviator play certain protective effect; Because safety air bag is just opened when air-drop thing approaches ground, so be subject to the impact of wind-force smaller.
Accompanying drawing explanation
Fig. 1 is the principle of work schematic diagram of the utility model safety device.
Fig. 2 is the direct coupled natural style structural representation of the utility model safety air bag and carrier.
Fig. 3 is the natural style structural representation that the utility model safety air bag is connected indirectly with carrier.
Fig. 4 is the bottom mounting type structural representation that the utility model is arranged on carrier bottom.
Fig. 5 is the bottom mounting type structural representation that the utility model is arranged on air-drop thing bottom.
Fig. 6 is the utility model dressing type structural representation.
Fig. 7 is the utility model impact switch structural representation.
Fig. 8 is the structural representation that the utility model arranges many cover safety devices.
Fig. 9 be the utility model arrange a plurality of impact switch and all with the direct coupled structural representation of same gas generator.
Figure 10 is the structural representation that the utility model arranges a plurality of impact switch and is all indirectly connected with same gas generator.
Parts sequence number in figure: 1, parachute, 2, carrier, 3, safety air bag, 4, gas generator, 5, impact switch, 6, lifting rope, 7, air-drop thing, 8, rescue bag, 9, lead-in wire, 10, latch, 11, pin hole, 12, switch, 13, clash into driver, 14, movable contact metallic sheath, 15, surely touch sheetmetal, 16, power supply, 17 firing units, 18, gas generant.
The specific embodiment
For making object, technical scheme and the advantage of the utility model embodiment clearer, below in conjunction with the accompanying drawing in the utility model embodiment, to the technical scheme well in the utility model embodiment is capable, describe clearly and completely.
As shown in Figure 1, safety protective device comprises safety air bag (3), gas generator (4) and impact switch (5), one end of safety air bag (3) is directly connected with the carrier (2) of parachute (1), the other end of safety air bag (3) is connected with the gas output end of gas generator (4), the other end of gas generator (4) is connected with impact switch (5), one end of safety air bag (3) also can be connected indirectly with the carrier (2) of parachute (1), the one end that is safety air bag (3) is connected with the bottom of air-drop thing (7), air-drop thing (7) is connected with carrier (2) by lifting rope (6).The principle of work of safety device is: during air-drop, impact switch (5) first arrives ground, clashing into driver (13) bumps with ground, and be subjected to displacement, make switch (12) closure in impact switch (5), the power supply (16) being located in gas generator (4) is powered to firing unit (17) by switch (12) and line, lights the gas generant (18) in gas generator (4), and gives rapidly safety air bag (3) inflation.Air-drop thing (7) lands front being first seated on the safety air bag (3) of having inflated; because the safety air bag (3) expanding plays buffer action to air-drop thing (7); therefore not only more steady when dropping thing (7) and landing; safer; and can also when parachute (1) can not normally be opened in the height of setting, also can play certain protective effect to air-drop thing (7), described gas generator (4) adopts the gas generator in automobile air-bag system.
As shown in Figure 2, comprise parachute (1) and the safety device being formed by safety air bag (3), gas generator (4), impact switch (5).During air-drop, drop on the carrier (2) that thing (7) is directly fixed on parachute (1), one end of safety air bag (3) is directly connected with the carrier (2) of parachute (1), the other end of safety air bag (3) is connected with the gas output end of gas generator (4), the other end of gas generator (4) is provided with impact switch (5), and gas generator (4) is directly connected with impact switch (5).In Fig. 2, under safety air bag (3), gas generator (4), impact switch (5) nature, hanging, is underslung type, and, safety air bag (3), without wrapping, is the natural style in underslung type, and described gas generator (4) adopts the gas generator in automobile air-bag system.
As shown in Figure 3, comprise parachute (1) and the safety device being formed by safety air bag (3), gas generator (4), impact switch (5).One end of safety air bag (3) is connected with the bottom of air-drop thing (7), air-drop thing (7) is connected with the carrier (2) of parachute (1) by lifting rope (6), be that safety air bag (3) is connected indirectly with the carrier (2) of parachute (1), the other end of safety air bag (3) is connected with the gas output end of gas generator (4), the other end of gas generator (4) is provided with impact switch (5), and gas generator (4) is directly connected with impact switch (5).In Fig. 3, under safety air bag (3), gas generator (4), impact switch (5) nature, hanging, is underslung type, and, safety air bag (3), without wrapping, is the natural style in underslung type, and described gas generator (4) adopts the gas generator in automobile air-bag system.
As shown in Fig. 4, comprise parachute (1) and the safety device being formed by safety air bag (3), gas generator (4), impact switch (5).During air-drop, drop on the carrier (2) that thing (7) is directly fixed on parachute (1), one end of safety air bag (3) is directly connected with the carrier (2) of parachute (1), the other end of safety air bag (3) is connected with the gas output end of gas generator (4), and gas generator (4) is connected with impact switch (5) indirectly by lead-in wire (9).For make when airborne can parachute (1) carrier (2) drop on more accurately on safety air bag (3), reduce wind-force to the impact on air-drop simultaneously, safety air bag (3), gas generator (4) entire package are in rescue bag (8), and be arranged on the bottom of carrier (2), impact switch during air-drop (5) aloft hangs under nature, be bottom mounting type, described gas generator (4) adopts the gas generator in automobile air-bag system.
As shown in Figure 5, comprise parachute (1) and the safety device being formed by safety air bag (3), gas generator (4), impact switch (5).One end of safety air bag (3) is connected with the bottom of air-drop thing (7), air-drop thing (7) is connected with the carrier (2) of parachute (1) by lifting rope (6), be that safety air bag (3) is connected indirectly with the carrier (2) of parachute (1), the other end of safety air bag (3) is connected with the gas output end of gas generator (4), and the other end of gas generator (4) is connected with impact switch (5) indirectly by lead-in wire (9).For airborne thing (7) when airborne can be seated on safety air bag (3) more accurately, reduce wind-force to the impact on air-drop simultaneously, safety air bag (3), gas generator (4) entire package are in rescue bag (8), and be arranged on air-drop thing (7) bottom, impact switch during air-drop (5) aloft hangs under nature, be bottom mounting type, described gas generator (4) adopts the gas generator in automobile air-bag system.
As shown in Figure 6, comprise parachute (1) and the safety device being formed by safety air bag (3), gas generator (4), impact switch (5).During air-drop, drop on the carrier (2) that thing (7) is directly fixed on parachute (1), one end of safety air bag (3) is directly connected with the carrier (2) of parachute (1), the other end of safety air bag (3) is connected with the gas output end of gas generator (4), the other end of gas generator (4) is provided with impact switch (5), and gas generator (4) is directly connected with impact switch (5).In Fig. 6, under safety air bag (3), gas generator (4), impact switch (5) nature, hanging, is underslung type.In order to reduce the impact of wind-force on air-drop, safety air bag (3) wrapping is in strip to shape, be the dressing type in underslung type.In order to make safety air bag (3) energy smooth opening, the pulling force of wrapping button or wrapper material is less than the power of opening of safety air bag (3), and described gas generator (4) adopts the gas generator in automobile air-bag system.
As shown in Figure 7, in impact switch (5), comprise latch (10), pin hole (11), switch (12), clash into driver (13), movable contact metallic sheath (14), surely touch sheetmetal (15), clash into the open close of the sliding tray master cock (12) of driver (13) by impact switch (5), the end that clashes into driver (13) is provided with movable contact metallic sheath (14), when impact switch (5) and ground bump, clashing into driver (13) inwardly slides, surely the sheetmetal (15) that touches of switch (12) is connected by movable contact metallic sheath (14) electricity, it is switch (12) closure, ignition system is started working.For fear of impact switch (5), there is false touch moving, impact switch (5) is provided with bolt device, bolt device comprises latch (10) and pin hole (11), latch (10) and pin hole (11) match, when air-drop protective system used time not, bolt device is fixed on shock driver (13) on the shell of impact switch (5), and latch during air-drop (10) is extracted from pin hole (11) automatically by bracing wire, and impact switch (5) enters mode of operation.Switch (12) also can adopt conventional button switch at present.
As shown in Figure 8, comprise parachute (1) and the safety device being formed by safety air bag (3), gas generator (4), impact switch (5).Air-drop thing (7) is connected with the carrier (2) of parachute (1) by lifting rope (6).In order to make air-drop thing (7) the energy safe falling that weight and floor space are larger, safety device is set to many covers, one end of the safety air bag of every suit safety device (3) is connected with the bottom of air-drop thing (7), be that safety air bag (3) is connected indirectly with the carrier (2) of parachute (1), the other end of safety air bag (3) is connected with the gas output end of gas generator (4), and gas generator (4) is directly connected with impact switch (5).Because each cover safety device all bears the gravity of air-drop thing (7) simultaneously, so the material requirements of safety air bag (3) is reduced relatively, described gas generator (4) adopts the gas generator in automobile air-bag system.
As shown in Figure 9 and Figure 10, a set of safety device is provided with a plurality of impact switch (5), each impact switch (5) is connected in parallel, object is while avoiding arranging separately an impact switch (5), because causing firing unit (17), this impact switch (5) et out of order cannot light a fire, can not ignite the inner gas generant (18) of gas generator (4), safety air bag (3) cannot be opened, and causes airborne safety misadventure.In Fig. 9, each impact switch (5) is located in same box, and is directly connected with same gas generator (4).In Figure 10, each impact switch (5) arranges separately, and is connected with the same gas generator (4) in rescue bag (8) by lead-in wire (9), and described gas generator (4) adopts the gas generator in automobile air-bag system.
Claims (6)
1. one kind is dropped protective system, it is characterized in that: comprise parachute (1) and safety device, described safety device comprises safety air bag (3), gas generator (4) and impact switch (5), one end of safety air bag (3) is directly or indirectly connected with the carrier (2) of parachute (1), the other end of safety air bag (3) is connected with the gas output end of gas generator (4), the other end of gas generator (4) is directly or indirectly connected with impact switch (5), one end of described safety air bag (3) is connected with the carrier (2) of parachute (1) indirectly, the one end that is safety air bag (3) is connected with the bottom of air-drop thing (7), air-drop thing (7) is connected with carrier (2) by lifting rope (6), the other end of described gas generator (4) is directly connected with impact switch (5), it is the shell of gas generator (4) and the shell of impact switch (5) is directly connected or with being integrated, the other end of described gas generator (4) is connected indirectly with impact switch (5), to be connected with lead-in wire (9) between gas generator (4) and impact switch (5).
2. air-drop protective system according to claim 1, it is characterized in that: safety device method to set up of shape in air-drop is underslung type or bottom mounting type, described underslung type is that impact switch (5) directly or by lead-in wire (9) is connected with gas generator (4), safety air bag during air-drop (3), gas generator (4) and impact switch (5) aloft hang under nature, described bottom mounting type is safety air bag (3), gas generator (4) entire package is in rescue bag (8), and be arranged on the bottom of carrier (2) or be arranged on the bottom of dropping thing (7), between impact switch (5) and gas generator (4), be connected with lead-in wire (9), impact switch during air-drop (5) aloft hangs under nature.
3. air-drop protective system according to claim 2, it is characterized in that: in underslung type, to the method to set up of the capsule clothing of safety air bag (3), be natural style or dressing type, described natural style is that safety air bag (3) upper and lower connects respectively carrier (2) and gas generator (4), and after connecting, safety air bag (3) does not need any wrapping; Described dressing type is that safety air bag (3) upper and lower connects respectively carrier (2) and gas generator (4), after connection, again safety air bag (3) wrapping is in strip to shape, the pulling force of wrapping button or wrapper material is less than the power of opening of safety air bag (3).
4. air-drop protective system according to claim 1; it is characterized in that: safety air bag (3) matches with air-drop thing (7); described matching is after safety air bag (3) is inflated; safety air bag (3) can bear air-drop thing (7) and in the height of setting, do the movement of falling object and drop to above it, and can protect and drop that thing (7) falls earthward safely and safety air bag (3) does not damage.
5. air-drop protective system according to claim 1, it is characterized in that: impact switch (5) is provided with the bolt device that prevents that its false touch is moving, described bolt device comprises latch (10) and pin hole (11), and latch (10) and pin hole (11) match.
6. air-drop protective system according to claim 1, it is characterized in that: in air-drop protective system, safety device is set to one to multiple cover, every suit safety device is at least provided with an impact switch (5), each impact switch (5) directly or by lead-in wire is connected with gas generator (4), and all impact switch (5) of same set of safety device are all connected in parallel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420319201.3U CN203958621U (en) | 2014-06-16 | 2014-06-16 | A kind of air-drop protective system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420319201.3U CN203958621U (en) | 2014-06-16 | 2014-06-16 | A kind of air-drop protective system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203958621U true CN203958621U (en) | 2014-11-26 |
Family
ID=51919241
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420319201.3U Withdrawn - After Issue CN203958621U (en) | 2014-06-16 | 2014-06-16 | A kind of air-drop protective system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203958621U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104029818A (en) * | 2014-06-16 | 2014-09-10 | 横县横州镇第一初级中学 | Air-drop protective system |
| CN112816168A (en) * | 2020-12-30 | 2021-05-18 | 航宇救生装备有限公司 | Equivalent test method of buffer system |
-
2014
- 2014-06-16 CN CN201420319201.3U patent/CN203958621U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104029818A (en) * | 2014-06-16 | 2014-09-10 | 横县横州镇第一初级中学 | Air-drop protective system |
| CN104029818B (en) * | 2014-06-16 | 2016-03-02 | 横县横州镇第一初级中学 | A kind of air-drop protective system |
| CN112816168A (en) * | 2020-12-30 | 2021-05-18 | 航宇救生装备有限公司 | Equivalent test method of buffer system |
| CN112816168B (en) * | 2020-12-30 | 2022-03-15 | 航宇救生装备有限公司 | Equivalent test method of buffer system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104029818B (en) | A kind of air-drop protective system | |
| CN108715228B (en) | Unmanned aerial vehicle falling protection control system and control method | |
| JP4154151B2 (en) | Aircraft with passenger evacuation cabins that can be forcibly separated | |
| US6371410B1 (en) | Emergency landing impact absorbing system for aircraft | |
| US20110233341A1 (en) | Hybrid emergency ejection system | |
| WO2012092826A1 (en) | Aerial emergency life saving system for passenger plane | |
| CN203958621U (en) | A kind of air-drop protective system | |
| CN103252032B (en) | Intelligent forest fire extinguishing aerial bomb integrated loading module | |
| CN109774956B (en) | Police investigation unmanned aerial vehicle | |
| US20210323670A1 (en) | Systems and methods for ejecting batteries from an electric flying vehicle | |
| CN109415125B (en) | Parachute deployment system for multi-rocket type projector | |
| KR20120048807A (en) | Safety landing system for small and super light aircraft | |
| CN206437224U (en) | A kind of escape chute falling unit for multi-rotor unmanned aerial vehicle | |
| CN102582836A (en) | Airplane with emergency landing device in fault | |
| CN104875895B (en) | A kind of depopulated helicopter parachute landing system airborne ejection parachute-deploying test device and method | |
| JP3199573U (en) | Helicopter parachute injection device | |
| CN201530474U (en) | Rocket power forced parachute-opening device | |
| RU141797U1 (en) | UNIVERSAL RESCUE SYSTEM OF THE SPACE VEHICLE ON THE START USING THE ACCELERATION UNIT ENGINE | |
| US3015463A (en) | Rocket probe device | |
| US20220177143A1 (en) | Emergency Parachute System For Rescue Of Persons, or of Manned or Unmanned Aerial Vehicles | |
| CN206664944U (en) | A kind of new UAV Intelligent parachute | |
| RU2021164C1 (en) | Airbus | |
| US20210053690A1 (en) | Vehicle recovery system | |
| CN204096089U (en) | Helicopter escape system and escape employment are with rushing umbrella big gun and helicopter with rushing umbrella big gun | |
| CN109505417A (en) | A kind of reinforced construction protective fence |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20141126 Effective date of abandoning: 20160302 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |