CN203567939U - Porous necking-in slide cloth used for large parafoil - Google Patents
Porous necking-in slide cloth used for large parafoil Download PDFInfo
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- CN203567939U CN203567939U CN201320775819.6U CN201320775819U CN203567939U CN 203567939 U CN203567939 U CN 203567939U CN 201320775819 U CN201320775819 U CN 201320775819U CN 203567939 U CN203567939 U CN 203567939U
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- Prior art keywords
- nylon
- parafoil
- tangential
- porous
- cloth
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- 239000004744 fabric Substances 0.000 title claims abstract description 80
- IBSREHMXUMOFBB-JFUDTMANSA-N 5u8924t11h Chemical compound O1[C@@H](C)[C@H](O)[C@@H](OC)C[C@@H]1O[C@@H]1[C@@H](OC)C[C@H](O[C@@H]2C(=C/C[C@@H]3C[C@@H](C[C@@]4(O3)C=C[C@H](C)[C@@H](C(C)C)O4)OC(=O)[C@@H]3C=C(C)[C@@H](O)[C@H]4OC\C([C@@]34O)=C/C=C/[C@@H]2C)/C)O[C@H]1C.C1=C[C@H](C)[C@@H]([C@@H](C)CC)O[C@]11O[C@H](C\C=C(C)\[C@@H](O[C@@H]2O[C@@H](C)[C@H](O[C@@H]3O[C@@H](C)[C@H](O)[C@@H](OC)C3)[C@@H](OC)C2)[C@@H](C)\C=C\C=C/2[C@]3([C@H](C(=O)O4)C=C(C)[C@@H](O)[C@H]3OC\2)O)C[C@H]4C1 IBSREHMXUMOFBB-JFUDTMANSA-N 0.000 title claims abstract description 74
- 239000004677 Nylon Substances 0.000 claims abstract description 92
- 229920001778 nylon Polymers 0.000 claims abstract description 92
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 230000003014 reinforcing effect Effects 0.000 abstract 6
- 238000000034 method Methods 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 206010044565 Tremor Diseases 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
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- Walking Sticks, Umbrellas, And Fans (AREA)
Abstract
The utility model discloses a piece of porous necking-in slide cloth used for a large parafoil. The porous necking-in slide cloth comprises a slide cloth body, wherein the slide cloth body is formed by a piece of airproof nylon base cloth, spanwise nylon reinforcing bands, chordwise nylon reinforcing bands, round holes and button tabs, wherein the spanwise nylon reinforcing bands and the chordwise nylon reinforcing bands are respectively arranged in the spanwise direction and the chordwise direction of the nylon base cloth, each round hole is formed in a junction of each spanwise nylon reinforcing band and each chordwise nylon reinforcing band, and the button tabs are arranged on the outer edge of the nylon base cloth. The nylon base cloth is rectangular, a ratio of the spanwise length to the chordwise length of the nylon base cloth is consistent to a span-chord ratio of the parafoil using the nylon base cloth, and the size of the nylon base cloth is 1/5 of the size of the parafoil. The porous necking-in slide cloth has the beneficial effects that parafoil cords are reasonably sleeked, so that the inflation blockage phenomenon of an air chamber at the outer side of the front edge and an air chamber at the center is avoided, the air chambers are guaranteed to be uniformly inflated before and after a canopy vibration stage, the parafoil-opening overload of the parafoil is controlled, and the canopy is guaranteed to expand orderly.
Description
Technical field
The utility model relates to parafoil field, is specifically related to the sliding cloth of a kind of closing in of the porous for large-scale parafoil.
Background technology
Parafoil is a kind of novel parachute, it has changed traditional parachute and has utilized air resistance to slow down the feature that object declines aloft, it has used traditional parachute flexible fabric, but launch ram air, become afterwards the rigidity aerodynamic force face of similar wing, have the advantages that to produce lift gliding flight aloft.Due to its good aerodynamic characteristic and controllability, large-scale parafoil is often used to precision aerial delivery system.
Because parafoil project organization is more complicated, particularly for large-scale parafoil, how parafoil is closed up with its parachute-opening overload of actv. control, often very difficult.Large-scale parafoil sleeks umbrella rope and has the problem that air chamber and central air chamber inflation block outside leading edge, and therefore, the at present domestic parafoil maximum load for accurately air-drop is also less, and has bigger difference abroad.The quality of large-scale parafoil closing in technology is the key of its success design application.
Summary of the invention
The technical problems to be solved in the utility model is, for existing large-scale parafoil, sleek umbrella rope and have the problem that air chamber and central air chamber inflation block outside leading edge, provide a kind of and control parafoil parachute-opening overload, guarantee the porous for large-scale parafoil that parafoil launches the in order sliding cloth that closes up.
The utility model for solving the problems of the technologies described above adopted technical scheme is:
A kind of porous for large-scale parafoil closes up and slides cloth, comprise sliding cloth body, described sliding cloth body by airtight nylon base fabric, exhibition to nylon stiffening band, tangential nylon stiffening band, circular hole, buckle loop and form, described exhibition is arranged at respectively nylon base fabric exhibition to nylon stiffening band, tangential nylon stiffening band is to tangential, described circular hole is opened in the intersection of each exhibition to nylon stiffening band and tangential nylon stiffening band, and described button loop is arranged at the outer edge of nylon base fabric.
Press such scheme, the described nylon base fabric shape that is rectangle, the exhibition of nylon base fabric is that the aspect ratio of aspect ratio and the parafoil that uses it is consistent to length and tangential length ratio, nylon base fabric is of a size of 1/6～1/4 of parafoil size.
Press such scheme, the exhibition of described nylon base fabric is 5～7.5m to length, and tangential length is 1.67～2.5m, and nylon base fabric is of a size of 1/5 of parafoil size.
Press such scheme, described exhibition comprises 4 to nylon stiffening band, and tangential nylon stiffening band comprises 8, and exhibition comprises 32 to the circular hole of the intersection of nylon stiffening band and tangential nylon stiffening band, and each circular hole sets as diameter 5cm.
Press such scheme, described exhibition is to nylon stiffening band trailing edge two root distances from the widest, 4 exhibitions to nylon stiffening band from front to back spacing distance ratio be 1:1:1.3, the wider impact that reduces wake flow in two intervals of trailing edge.
Press such scheme, described tangential nylon stiffening band is symmetrical up and down, the tangential nylon stiffening band distance in two, midway location place is the widest, two tangential nylon stiffening bands distances topmost locating and locate are bottom the narrowest, 8 tangential nylon stiffening bands from top to bottom spacing distance ratio are 1:2:2:4:2:2:1, middle ware is apart from the wide initial expansion that is conducive to parafoil, the narrow canopy resilience and the bulge problem that cause in gas replenishment process of can reducing in both sides.
Press such scheme, the edge of described circular hole adopts smooth aluminum skin package.
Press such scheme, described button loop surrounds ring-type by nylon tape.
Principle of work of the present utility model: the aspect ratio of sliding cloth body is consistent with parafoil, can guarantee in opening process, opening of sliding cloth body is consistent with the opening procedure of parafoil, and avoid air chamber and central air chamber inflation choking phenomenon outside the leading edge of parafoil, ensure that air chamber can evenly inflate before and after the parafoil vibration stage.During parafoil parachute-opening, sliding cloth body is positioned under parafoil lower aerofoil, and umbrella rope passes respectively from each circular hole, and connection cord will be slided cloth body by button loop and be connected with parafoil, and connection cord exceedes to a certain degree and will automatically rupture in the power being subject to.At the beginning of parafoil parachute-opening, connection cord is subject to power and exceedes to a certain degree fracture, and sliding cloth body glides gradually, and parafoil also progressively launches thereupon in order, and parafoil launches rear sliding cloth body completely and is positioned on control box.The sliding cloth of the utility model porous closing in can be used for the large-scale parafoil that load is 500kg～10T.
The utlity model has following beneficial effect: by suitable nylon base fabric size, shape and the topological design of buckleing loop, meet the parachute-opening requirement of large-scale parafoil, rationally sleek umbrella rope, avoid air chamber and central air chamber inflation choking phenomenon outside leading edge, ensure that air chamber trembles stage front and back at canopy and can evenly inflate, control the rebound phenomenon of main chute/cunning cloth from pack pull-out and avoid sliding cloth to glide in advance, control parafoil parachute-opening overload, guarantee that canopy launches in order, thereby play certain impetus for development and the maximization of parafoil technology.
Accompanying drawing explanation
Fig. 1 is the structural representation of the sliding cloth of the utility model porous closing in;
Fig. 2 is the utility model circular hole, the local structure schematic diagram of button loop on nylon base fabric;
Fig. 3 is the installation site schematic diagram of the utility model at parafoil parachute-opening initial equilibrium state downslide cloth body;
Fig. 4 is the position view of the utility model sliding cloth body after parafoil launches completely;
Fig. 5 is that the sliding cloth body of the utility model is initially connected with parafoil and umbrella rope passes the structural representation of circular hole;
1. sliding cloth bodies in figure, 2. nylon base fabric, 3. opens up to nylon stiffening band, 4. tangential nylon stiffening band, 5. circular hole, 6. button loop, 7. parafoil, 8. control box, 9. umbrella rope, 10. connection cord.
The specific embodiment
Below in conjunction with drawings and Examples, the utility model is elaborated.
Shown in Fig. 1～Fig. 5, porous for large-scale parafoil described in the utility model closes up and slides cloth, comprise sliding cloth body 1, described sliding cloth body 1 by airtight nylon base fabric 2, exhibition to nylon stiffening band 3, tangential nylon stiffening band 4, circular hole 5, buckle loop 6 and form, described exhibition is arranged at respectively nylon base fabric 2 exhibition to nylon stiffening band 3, tangential nylon stiffening band 4 is to tangential, described circular hole 5 is opened in the intersection of each exhibition to nylon stiffening band 3 and tangential nylon stiffening band 4, and the edge of circular hole 5 adopts smooth aluminum skin package; Described button loop 6 is surrounded ring-type, is arranged at the outer edge of nylon base fabric 2 by nylon tape.
Described nylon base fabric 2 shape that is rectangle, the exhibition of nylon base fabric 2 is that the aspect ratio of aspect ratio and the parafoil 7 that uses it is consistent to length and tangential length ratio, with 300m
2parafoil 7 is example, and if its exhibition is 30m to length, tangential length is 10m, and aspect ratio is 3:1.Nylon base fabric 2 is of a size of 1/5 of parafoil 7 sizes, i.e. the exhibition of nylon base fabric 2 is 6m to length, and tangential length is 2m, and aspect ratio is also 3:1.
Described exhibition comprises 4 to nylon stiffening band 3, and tangential nylon stiffening band 4 comprises 8, and exhibition comprises 32 to nylon stiffening band 3 and the circular hole 5 of the intersection of tangential nylon stiffening band 4, and each circular hole 5 sets as diameter 5cm, to sleek and umbrella rope 9.Relevant with the umbrella rope of parafoil 79 sums through umbrella rope 8 radicals of circular hole 5, umbrella rope 9 sums are many, and a circular hole 5 can be worn tens umbrella ropes 9; Umbrella rope 9 sum is few, and a circular hole 5 is worn several umbrella ropes 9 and also can.
Described exhibition is to nylon stiffening band 3 trailing edge two root distances from the widest, 4 exhibitions to nylon stiffening band 3 from front to back spacing distance ratio be 1:1:1.3, the wider impact that reduces wake flow in two intervals of trailing edge.
Described tangential nylon stiffening band is symmetrical Shang Xia 4, tangential nylon stiffening band 4 distances in two, midway location place are the widest, two tangential nylon stiffening bands 4 distances topmost locating and locate are bottom the narrowest, 8 tangential nylon stiffening bands 4 from top to bottom spacing distance ratio are 1:2:2:4:2:2:1, the wide initial expansion that is conducive to parafoil 7 of middle ware distance, the narrow canopy resilience and the bulge problem that cause in gas replenishment process of can reducing in upper and lower both sides.
The aspect ratio of the sliding cloth body 1 of the utility model is consistent with parafoil 7, can guarantee in opening process, opening of sliding cloth body 1 is consistent with the opening procedure of parafoil 7, and avoid air chamber and central air chamber inflation choking phenomenon outside the leading edge of parafoil 7, ensure that air chamber can evenly inflate before and after the 7 vibration stages of parafoil.During parafoil 7 parachute-opening, sliding cloth body 1 is positioned under parafoil 7 lower aerofoils, and umbrella rope 9 passes respectively from each circular hole 5, and connection cord 10 will be slided cloth body 1 by button loop 6 and be connected with parafoil 7, and connection cord 10 exceedes to a certain degree and will automatically rupture in the power being subject to.At the beginning of parafoil parachute-opening, connection cord 10 is subject to power and exceedes to a certain degree fracture, and sliding cloth body 1 glides gradually, and parafoil 7 also progressively launches thereupon in order, and after parafoil 7 launches completely, sliding cloth body 1 is positioned on control box 8.The sliding cloth of the utility model porous closing in can be used for the large-scale parafoil that load is 500kg～10T.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all any modifications of doing within spirit of the present utility model and principle, be equal to and replace and improvement etc., within all should being included in protection domain of the present utility model.
Claims (8)
1. the porous for large-scale parafoil closes up and slides cloth, it is characterized in that: comprise sliding cloth body (1), described sliding cloth body (1) is by airtight nylon base fabric (2), exhibition is to nylon stiffening band (3), tangential nylon stiffening band (4), circular hole (5), button loop (6) composition, described exhibition is to nylon stiffening band (3), the exhibition that tangential nylon stiffening band (4) is arranged at respectively nylon base fabric (2) is to tangential, described circular hole (5) is opened in the intersection of each exhibition to nylon stiffening band (3) and tangential nylon stiffening band (4), described button loop (6) is arranged at the outer edge of nylon base fabric (2).
2. the porous for large-scale parafoil as claimed in claim 1 closes up and slides cloth, it is characterized in that: described nylon base fabric (2) shape that is rectangle, the exhibition of nylon base fabric (2) is aspect ratio and uses its aspect ratio of parafoil (7) consistent to length and tangential length ratio, and nylon base fabric (2) is of a size of 1/6～1/4 of parafoil (7) size.
3. the porous for large-scale parafoil as claimed in claim 1 closes up and slides cloth, it is characterized in that: the exhibition of described nylon base fabric (2) is 5～7.5m to length, and tangential length is 1.67～2.5m, and nylon base fabric (2) is of a size of 1/5 of parafoil (7) size.
4. the porous for large-scale parafoil as claimed in claim 1 closes up and slides cloth, it is characterized in that: described exhibition comprises 4 to nylon stiffening band (3), tangential nylon stiffening band (4) comprises 8, exhibition comprises 32 to nylon stiffening band (3) and the circular hole (5) of the intersection of tangential nylon stiffening band (4), and each circular hole (5) sets as diameter 5cm.
5. the porous for the large-scale parafoil as claimed in claim 4 sliding cloth that closes up, is characterized in that: described exhibition is to nylon stiffening band (3) trailing edge two root distances from the widest, 4 exhibitions to nylon stiffening band (3) from front to back spacing distance ratio be 1:1:1.3.
6. the porous for large-scale parafoil as claimed in claim 4 closes up and slides cloth, it is characterized in that: described tangential nylon stiffening band (4) is symmetrical up and down, the two tangential nylon stiffening bands in midway location place (4) distance is the widest, two tangential nylon stiffening bands (4) distance of topmost locating and locate is bottom the narrowest, and 8 tangential nylon stiffening bands (4) from top to bottom spacing distance ratio are 1:2:2:4:2:2:1.
7. the porous for large-scale parafoil as claimed in claim 1 closes up and slides cloth, it is characterized in that: the edge of described circular hole (5) adopts smooth aluminum skin package.
8. the porous for large-scale parafoil as claimed in claim 1 closes up and slides cloth, it is characterized in that: described button loop (6) surrounds ring-type by nylon tape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320775819.6U CN203567939U (en) | 2013-11-29 | 2013-11-29 | Porous necking-in slide cloth used for large parafoil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320775819.6U CN203567939U (en) | 2013-11-29 | 2013-11-29 | Porous necking-in slide cloth used for large parafoil |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203567939U true CN203567939U (en) | 2014-04-30 |
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ID=50535684
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320775819.6U Expired - Lifetime CN203567939U (en) | 2013-11-29 | 2013-11-29 | Porous necking-in slide cloth used for large parafoil |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203567939U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108945427A (en) * | 2018-07-24 | 2018-12-07 | 深圳市百川融创科技有限公司 | Ejection recyclable device for ram air parachute |
| CN110723297A (en) * | 2019-10-29 | 2020-01-24 | 航宇救生装备有限公司 | Control method for assisting parachute opening of ram parafoil |
-
2013
- 2013-11-29 CN CN201320775819.6U patent/CN203567939U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108945427A (en) * | 2018-07-24 | 2018-12-07 | 深圳市百川融创科技有限公司 | Ejection recyclable device for ram air parachute |
| CN108945427B (en) * | 2018-07-24 | 2023-12-29 | 深圳市百川融创科技有限公司 | Ejection recovery device for stamping parafoil |
| CN110723297A (en) * | 2019-10-29 | 2020-01-24 | 航宇救生装备有限公司 | Control method for assisting parachute opening of ram parafoil |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140430 |
|
| CX01 | Expiry of patent term |