CN204568064U - Low altitude bail out system - Google Patents
Low altitude bail out system Download PDFInfo
- Publication number
- CN204568064U CN204568064U CN201520211658.7U CN201520211658U CN204568064U CN 204568064 U CN204568064 U CN 204568064U CN 201520211658 U CN201520211658 U CN 201520211658U CN 204568064 U CN204568064 U CN 204568064U
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- parachute
- generating unit
- gas generating
- gas generator
- knapsack
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Abstract
The utility model belongs to parachute technology field, aims to provide a kind of structure simple, and parachute main chute opening time is fast, and the life-escaping lifting parachute that safety factor is high, concrete technical scheme is: low altitude bail out system, comprise parachute knapsack and gas generating unit, parachute main chute is connected with by umbrella rope in parachute knapsack, gas generating unit comprises gas generator, gas generator is connected in parachute knapsack by gas generating unit fixed mount, be connected by gas generating unit adapter plate between gas generating unit fixed mount with parachute knapsack, the exhausr port of gas generator is connected with many soft air-guide pipes, many soft air-guide pipes are the latticed inner side being arranged in parachute main chute, adopt latticed layout, the utility model can ensure the rapid safe escape of parachute jumping personnel, use simple, ensure that parachute jumping personnel can effectively utilize this to equip when in the face of burst accident, there are good economic interests, can be widely used.
Description
Technical field
The utility model belongs to parachute technology field, is specifically related to a kind of parachute of low altitude lifesaving.
Background technology
The technical way efficiently carried out is rescued in landing escape, the history of existing last 100 years.But under the continuous progress of science and technology and the overall background of social productive forces high speed development, the accident of generation is also varied.This tradition landing escape means, due to by special place and special topography condition restriction and parachute occupation mode complexity, limit, so can not play good effect the more high objective factor of chutist's requirement.On the other hand, general parachute is opened needs 3-5 second, and when using under low dummy status, still cannot guarantee personal security, the probability had an accident is still higher.According to current international practice standard, parachute designing requirement is when reaching apart from ground 30-50 rice, and the descending speed of human body is not more than 6 meter per seconds, just can guarantee personal security of parachuting, present parachute is after low altitude bail out, and main chute development rate is slow, is difficult to the safety ensureing parachute jumping personnel.
Utility model content
The utility model overcomes the deficiency that prior art exists, and aims to provide a kind of structure simple, and parachute main chute opening time is fast, and the life-escaping lifting parachute that safety factor is high.
In order to solve the problems of the technologies described above, the technical solution adopted in the utility model is: low altitude bail out system, comprise parachute knapsack and gas generating unit, parachute main chute is connected with by umbrella rope in parachute knapsack, gas generating unit is placed between backplate and pack, gas generating unit comprises gas generator, gas generator is connected in parachute knapsack by gas generating unit fixed mount, be connected by gas generating unit adapter plate between gas generating unit fixed mount with parachute knapsack, gas generating unit adapter plate is provided with multiple tapped bore, gas generating unit fixed mount is made up of two groups of clamping devices, two groups of clamping devices are placed in the two ends of gas generator respectively, clamping device comprises two clamping plates, the bottom of two clamping plates is bolted on gas generating unit adapter plate, the top of two clamping plates is by many bolt-lockings, the bayonet socket of clamping gas generator is formed between two clamping plates, the exhausr port of gas generator is connected with many soft air-guide pipes, many soft air-guide pipes are the latticed inner side being arranged in parachute main chute, adopt latticed layout, the trustship of gas generating unit is laid at node location place, soft air-guide pipe is connected with the exhausr port of gas generator by trustship, form air guide path.
When meeting accident the urgent low altitude bail out of needs, parachute jumping personnel get parachute ready, jump off from low latitude, open rapidly the switch of gas generator, a large amount of gas is produced fast in gas generator, a large amount of gas is packed in soft air-guide pipe within the time of about 0.6s, air resistance is replaced by soft air-guide pipe inflation, borrow gaseous tension in group flexible pipe that parachute is launched within the extremely short time, namely with the soft air-guide pipe of skeleton type, parachute main chute is promptly supported, substantially reduce the time that parachute is opened.Consider that gas is being opened in flexible pipe and parachute process due to other factors such as heating, friction and gas compressions, preliminary design hose diameter is 5 centimetres, predicted gas conversion rate is 50%, show that gas generator need produce gas generator and need produce gas 98.174L (i.e. 100L).
Wherein, flexible pipe has following performance:
1. good physical and mechanical properties, intensity is high, and quality is light, good frictional behaviour, good springiness;
2. suitable thermal property, high melting point, high enthalpy, good flame retardance;
3. high chemical stability, good resistance to aging;
4. folding volume is little, and quality is soft, when undergoes rapid expansion, and parachute of not easily wearing.
Wherein, the inner side of parachute main chute covers by many soft air-guide pipes completely, and after inflation, parachute main chute opening speed is fast.
Wherein, as preferably, gas generating unit is by initiatively touch switch control, initiatively electric signal is passed to the ignition material of gas generator by trigger switch, ignition material rubber root " Lighter " is energized postignition, and then the expansion detonator lighted in gas generating unit, after expansion detonator is lighted, light main propellant, main propellant is the combination of sodium nitride and oxidizer, propellant combustion produces nitrogen stream, the gas of undergoes rapid expansion enters in soft air-guide pipe through filtration, gas generator makes the gaseous tension being filled with webmaster increase, and start pushing and release a parachute, gaseous tension continues to increase, air hose is flared to parachute main chute and tightens, thoroughly release a parachute thereupon.
Wherein, as another kind preferably embodiment, gas generating unit is by passive mechanical pulling formula switch control rule.
Wherein, gas generator is placed in the middle part of parachute knapsack, stress equalization, Stability Analysis of Structures.
Wherein, be connected with gas operated device between gas generator and soft air-guide pipe, gas operated device entirety is in horn-like, and the small-bore side of described gas operated device is connected with gas generator, and the heavy caliber side of gas operated device is connected with soft air-guide pipe., by installing gas operated device additional, speed charge efficiency.
The utility model is mainly used in following situation: 1, helicopter crashes, and aviator can effectively escape in low latitude; 2, high-rise when presence of fire, earthquake, the attack of terrorism, the escape of staff; 3, aloft work personnel are when burst accident, and safety method can ensure safety.
The utility model compared with prior art has following beneficial effect: the utility model can ensure the rapid safe escape of parachute jumping personnel, use simple, ensure that parachute jumping personnel can effectively utilize this to equip when in the face of burst accident, there are good economic interests, can be widely used.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the utility model is described in more detail.
Fig. 1 is the mounting structure schematic diagram of parachute main chute of the present utility model and soft air-guide pipe.
Fig. 2 is the mounting structure schematic diagram of gas generator.
Fig. 3 is the installation site schematic diagram of gas generator.
Fig. 4 is the annexation schematic diagram of gas generator and gas generating unit adapter plate.
Fig. 5 is the lateral plan of Fig. 4.
Fig. 6 is the structural representation of gas operated device.
In figure: 1 is parachute knapsack, 2 is gas generating unit, and 3 is parachute main chute, and 4 is backplate, 5 is pack, and 6 is gas generator, and 7 is gas generating unit fixed mount, and 8 is gas generating unit adapter plate, 9 is clamping device, and 10 is clamping plate, and 11 is soft air-guide pipe, and 12 is gas operated device.
Detailed description of the invention
Be described in further detail the utility model by reference to the accompanying drawings now, accompanying drawing is the schematic diagram simplified, and only basic structure of the present utility model is described in a schematic way, therefore it only shows the formation relevant with the utility model.
As shown in figures 1 to 6, low altitude bail out system, comprise parachute knapsack 1 and gas generating unit 2, parachute main chute 3 is connected with by umbrella rope in parachute knapsack 1, gas generating unit 2 is placed between backplate 4 and pack 5, gas generating unit 2 comprises gas generator 6, gas generator 6 is connected in parachute knapsack 1 by gas generating unit fixed mount 7, be connected by gas generating unit adapter plate 8 between gas generating unit fixed mount 7 with parachute knapsack 1, gas generating unit adapter plate 8 is provided with multiple tapped bore, gas generating unit fixed mount 7 is made up of two groups of clamping devices 9, two groups of clamping devices 9 are placed in the two ends of gas generator 6 respectively, clamping device 9 comprises two clamping plates 10, the bottom of two clamping plates 10 is bolted on gas generating unit adapter plate 8, the top of two clamping plates 10 is by many bolt-lockings, the bayonet socket of clamping gas generator 6 is formed between two clamping plates 10, the exhausr port of gas generator 6 is connected with many soft air-guide pipes 11, many soft air-guide pipes 11 are in the latticed inner side being arranged in parachute main chute 3, adopt latticed layout, the trustship of gas generating unit 2 is laid at node location place, soft air-guide pipe 11 is connected with the exhausr port of gas generator by trustship, form air guide path.
When meeting accident the urgent low altitude bail out of needs, parachute jumping personnel get parachute ready, jump off from low latitude, open rapidly the switch of gas generator, a large amount of gas is produced fast in gas generator, a large amount of gas is packed in soft air-guide pipe 11 within the time of about 0.6s, inflated by soft air-guide pipe 11 and replace air resistance, borrow gaseous tension in group flexible pipe that parachute is launched within the extremely short time, namely with the soft air-guide pipe 11 of skeleton type, parachute main chute 3 is promptly supported, substantially reduce the time that parachute is opened.Consider that gas is being opened in flexible pipe and parachute process due to other factors such as heating, friction and gas compressions, preliminary design hose diameter is 5 centimetres, predicted gas conversion rate is 50%, show that gas generator need produce gas generator and need produce gas 98.174L (i.e. 100L).
Wherein, flexible pipe has following performance:
1. good physical and mechanical properties, intensity is high, and quality is light, good frictional behaviour, good springiness;
2. suitable thermal property, high melting point, high enthalpy, good flame retardance;
3. high chemical stability, good resistance to aging;
4. folding volume is little, and quality is soft, when undergoes rapid expansion, and parachute of not easily wearing.
Wherein, the inner side of parachute main chute 3 covers by many soft air-guide pipes 11 completely, and after inflation, parachute main chute 3 opening speed is fast.
Wherein, as preferably, gas generating unit 2 is by initiatively touch switch control, initiatively electric signal is passed to the ignition material of aerator by trigger switch, ignition material rubber root " Lighter " is energized postignition, and then the expansion detonator lighted in gas generating unit 2, after expansion detonator is lighted, light main propellant, main propellant is the combination of sodium nitride and oxidizer, propellant combustion produces nitrogen stream, the gas of undergoes rapid expansion enters in soft air-guide pipe 11 through filtration, gas generator makes the gaseous tension being filled with webmaster increase, and start pushing and release a parachute, gaseous tension continues to increase, air hose is flared to parachute main chute 3 and tightens, thoroughly release a parachute thereupon.
Wherein, as another kind preferably embodiment, gas generating unit 2 is by passive mechanical pulling formula switch control rule.
Wherein, gas generator is placed in the middle part of parachute knapsack 1, stress equalization, Stability Analysis of Structures.
Wherein, be connected with gas operated device 12 between gas generator 6 and soft air-guide pipe 11, gas operated device 12 entirety is in horn-like, and the small-bore side of described gas operated device 12 is connected with gas generator 6, and the heavy caliber side of gas operated device 12 is connected with soft air-guide pipe 11., by installing gas operated device 12 additional, speed charge efficiency.
The utility model is mainly used in following situation: 1, helicopter crashes, and aviator can effectively escape in low latitude; 2, high-rise when presence of fire, earthquake, the attack of terrorism, the escape of staff; 3, aloft work personnel are when burst accident, and safety method can ensure safety.
The utility model can ensure the rapid safe escape of parachute jumping personnel, uses simple, ensures that parachute jumping personnel can effectively utilize this to equip when in the face of burst accident, has good economic interests, can be widely used.
By reference to the accompanying drawings embodiment of the present utility model is explained in detail above, but the utility model is not limited to above-described embodiment, in the ken that those of ordinary skill in the art possess, can also make a variety of changes under the prerequisite not departing from the utility model aim.
Claims (7)
1. low altitude bail out system, it is characterized in that, comprise parachute knapsack (1) and gas generating unit (2), parachute main chute (3) is connected with by umbrella rope in described parachute knapsack (1), described gas generating unit (2) is placed between backplate (4) and pack (5), described gas generating unit (2) comprises gas generator (6), gas generator (6) is connected in parachute knapsack (1) by gas generating unit fixed mount (7), described gas generating unit fixed mount (7) is connected by gas generating unit adapter plate (8) with between parachute knapsack (1), described gas generating unit adapter plate (8) is provided with multiple tapped bore, described gas generating unit fixed mount (7) is made up of two groups of clamping devices (9), two groups of clamping devices (9) are placed in the two ends of gas generator (6) respectively, described clamping device (9) comprises two clamping plates (10), the bottom of two clamping plates (10) is bolted on gas generating unit adapter plate (8), the top of two clamping plates (10) is by many bolt-lockings, the bayonet socket of clamping gas generator (6) is formed between two clamping plates (10), the exhausr port of described gas generator (6) is connected with many soft air-guide pipes (11), many soft air-guide pipes (11) are in the latticed inner side being arranged in parachute main chute (3).
2. low altitude bail out system according to claim 1, is characterized in that, the inner side of parachute main chute (3) covers by described many soft air-guide pipes (11) completely.
3. low altitude bail out system according to claim 2, is characterized in that, described gas generating unit (2) is by initiatively touch switch control.
4. low altitude bail out system according to claim 2, is characterized in that, described gas generating unit (2) is by passive mechanical pulling formula switch control rule.
5. the low altitude bail out system according to claim 3 or 4, is characterized in that, the main propellant in described gas generator is the combination of sodium nitride and oxidizer.
6. low altitude bail out system according to claim 5, is characterized in that, described gas generator is placed in the middle part of parachute knapsack (1).
7. low altitude bail out system according to claim 6, it is characterized in that, gas operated device (12) is connected with between described gas generator (6) and soft air-guide pipe (11), described gas operated device (12) entirety is in horn-like, the small-bore side of described gas operated device (12) is connected with gas generator (6), and the heavy caliber side of gas operated device (12) is connected with soft air-guide pipe (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520211658.7U CN204568064U (en) | 2015-04-09 | 2015-04-09 | Low altitude bail out system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520211658.7U CN204568064U (en) | 2015-04-09 | 2015-04-09 | Low altitude bail out system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204568064U true CN204568064U (en) | 2015-08-19 |
Family
ID=53860738
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520211658.7U Expired - Fee Related CN204568064U (en) | 2015-04-09 | 2015-04-09 | Low altitude bail out system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204568064U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109893786A (en) * | 2019-04-04 | 2019-06-18 | 哈尔滨理工大学 | Control tall building disaster self-help escape device and application method |
-
2015
- 2015-04-09 CN CN201520211658.7U patent/CN204568064U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109893786A (en) * | 2019-04-04 | 2019-06-18 | 哈尔滨理工大学 | Control tall building disaster self-help escape device and application method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150819 Termination date: 20170409 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |