CN105539855A - Reserve parachute for parachuting - Google Patents
Reserve parachute for parachuting Download PDFInfo
- Publication number
- CN105539855A CN105539855A CN201510903332.5A CN201510903332A CN105539855A CN 105539855 A CN105539855 A CN 105539855A CN 201510903332 A CN201510903332 A CN 201510903332A CN 105539855 A CN105539855 A CN 105539855A
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- China
- Prior art keywords
- parachute
- umbrella
- canopy
- umbrella cover
- rope
- 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.)
- Pending
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- 230000009191 jumping Effects 0.000 claims description 33
- 239000011148 porous material Substances 0.000 claims description 14
- 238000000034 method Methods 0.000 abstract description 6
- 239000002131 composite material Substances 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 4
- 230000004083 survival effect Effects 0.000 description 8
- 238000005457 optimization Methods 0.000 description 7
- IWEDIXLBFLAXBO-UHFFFAOYSA-N dicamba Chemical compound COC1=C(Cl)C=CC(Cl)=C1C(O)=O IWEDIXLBFLAXBO-UHFFFAOYSA-N 0.000 description 4
- 230000002411 adverse Effects 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000009958 sewing Methods 0.000 description 2
- 206010010071 Coma Diseases 0.000 description 1
- 208000003443 Unconsciousness Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
- B64D17/00—Parachutes
- B64D17/02—Canopy arrangement or construction
- B64D17/04—Canopy arrangement or construction formed with two or more canopies arranged about a common axis
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
- B64D17/00—Parachutes
- B64D17/02—Canopy arrangement or construction
- B64D17/08—Secondary or shock-absorbing canopies attached to load line
Landscapes
- Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Emergency Lowering Means (AREA)
Abstract
The invention discloses a reserve parachute for parachuting. A parachute canopy is of a central symmetry structure, and a central symmetry axis of the parachute canopy is parallel to a vertical direction; the parachute canopy is composed of a first parachute surface, a second parachute surface, a third parachute surface and a fourth parachute surface around the central symmetry axis; the projections of the bottom edges of the four parachute surfaces in a plane perpendicular to the central symmetry axis are arc lines, and the four projection lines are crossed to form a closed shape; parachute cord loopsare positioned at the bottom edge of the parachute canopy and are used for connecting the parachute canopy and parachute cords; parachute top loopsare positioned at the top of the parachute canopy and are used for connecting the parachute canopy and a top towing cord; and the parachute cords and the top towing cord are used for being connected with a parachutist. The parachute canopy of the reserve parachute disclosed by the invention is of a composite structure of a 'crossed' parachute and a 'round' parachute; and by integrating the advantages of the two parachutes, the parachute opening speed of the reserve parachute can be increased, and overload and swing effects caused in a parachute opening process can be reduced.
Description
Technical field
The invention belongs to air transport emergency survival equipment field, more specifically, relate to a kind of parachute jumping reserve parachute, this reserve parachute can be used for parachute jumping personnel emergency survival.
Background technology
Reserve parachute (also claiming secondary umbrella) refers to that parachute jumping personnel occur parachute-opening mal when using the parachute equipment parachute jumpings such as troop parachute, sport parachute, prac-tice parachute, escape parachute, after main chute jettisoning, and a kind of emergency survival parachute kit of manually dishing out; It inflates and is filled and replaces the stable decline of main chute under airflow function, ensures parachute jumping personnel safe landing.
In modern Aviation motion, carry except this good habit of reserve parachute except remain when specialty parachute jumping personnel perform parachute duty always, the air transport aviator of other form, especially in the middle of paragliding person, has a considerable amount of aviator to be still unwilling to carry reserve parachute flight.Trace it to its cause mainly, not easily dished out rapidly when the unforeseen circumstancess such as aerial rolling, spiral appear in existing reserve parachute product in parachute jumping process; Parachute opening shock is large, easily produces overload, causes parachute jumping personnel to produce ash and even goes into a coma depending on, blackout; In addition, do not arrange special connection suspender belt, installation is inconvenient, hinders the normal flight of aviator, even causes aviator in the process of taking off, feel inconvenience and easy fatigue etc.
Summary of the invention
For above defect or the Improvement requirement of prior art, the object of the present invention is to provide a kind of parachute jumping reserve parachute, wherein pass through the structure to the parachute jumping reserve parachute of its key and connection mode thereof, especially the structure etc. of canopy is improved, compared with prior art, the overload that the opening speed reducing that can improve reserve parachute causes in opening process and the effect that swings, in addition, the umbrella rope that the present invention is arranged and lead when top rope effectively can prevent quick parachute-opening and occur " turning over top " phenomenon, has good result of use.
For achieving the above object, according to the invention provides a kind of parachute jumping reserve parachute, it is characterized in that, comprising canopy, umbrella rope loop, umbrella top loop, umbrella rope and leading top rope, wherein,
Symmetrical structure centered by described canopy, its central symmetry axes is parallel to vertical direction, and this canopy projects upwards; Described canopy forms by being centered around the first umbrella cover of described central symmetry axes surrounding, the second umbrella cover, the 3rd umbrella cover and the 4th umbrella cover; The projection of bottom margin in the plane perpendicular to described central symmetry axes of described first umbrella cover, described second umbrella cover, described 3rd umbrella cover and described 4th umbrella cover is camber line, and these four projection lines intersect and form closed shape;
Described umbrella rope loop is positioned at the bottom margin of described canopy, for connecting described canopy and described umbrella rope;
Described umbrella top loop is positioned at the top of described canopy, for connect described canopy and described lead to push up restrict;
Described umbrella rope and the described top rope that leads are for being connected with parachute jumping personnel.
As present invention further optimization, do not sew up completely between adjacent two umbrella covers in described first umbrella cover, described second umbrella cover, described 3rd umbrella cover and described 4th umbrella cover, wherein the projection of seam area in described central symmetry axes is positioned at above non-seam area projects in described central symmetry axes; In addition, in described first umbrella cover, described second umbrella cover, described 3rd umbrella cover and described 4th umbrella cover, the bottom margin of adjacent two umbrella covers is sewed up mutually.
As present invention further optimization, the non-seam area in described first umbrella cover, described second umbrella cover, described 3rd umbrella cover and described 4th umbrella cover between adjacent two umbrella covers all forms oval deflation hole.
As present invention further optimization, the top center place of described canopy also offers umbrella apical pore, makes described canopy be formed with top; This umbrella apical pore is projected as square in the plane perpendicular to described central symmetry axes; Described umbrella top loop is positioned at the top of described canopy.
As present invention further optimization, the projection of described umbrella top loop in the plane perpendicular to described central symmetry axes overlaps with the summit of the dimetric projection of described umbrella apical pore.
As present invention further optimization, described canopy is also provided with reinforced rib, described reinforced rib is along the top center place of described canopy to the directional spreding of described canopy bottom margin.
As present invention further optimization, described umbrella rope loop is positioned at the described reinforced rib point of intersection crossing with described canopy bottom margin.
As present invention further optimization, described umbrella rope all transfer be with umbrella rope be connected with the described top rope that leads, and this umbrella rope is transferred to be with and is connected with straphanger by quick-detachable lock, and described straphanger is for being connected with described parachute jumping personnel.
By the above technical scheme that the present invention conceives, compared with prior art, there is following beneficial effect:
1. the parachute jumping reserve parachute in the present invention is parachute jumping personnel emergency survival reserve parachute, the present invention is by improving the structure of canopy, canopy is designed to be made up of the first umbrella cover being centered around canopy central symmetry axes surrounding, the second umbrella cover, the 3rd umbrella cover and the 4th umbrella cover, when inflating overflow, the bottom margin of these four umbrella covers is being camber line perpendicular to the projection in the plane of central symmetry axes, these four projection lines intersect the shape (be similar to the shape of square, just the four edges of this square is all replaced by arc) being formed and close.What in the present invention, the canopy structure of reserve parachute was " criss-cross " parachute with " circle " parachute is composite structured, and the comprehensively advantage of these two kinds of umbellate forms, can improve the opening speed of reserve parachute, and reduces the overload that causes in opening process and the effect that swings.
2. parachute skirt sewing umbrella rope loop of the present invention, umbrella apical pore diagonal angle place (being namely projected in square vertices place) sewing umbrella top loop, reinforced rib is made in conduction place of power (namely along the top center place of canopy to the direction of canopy bottom margin), actv. the tractive force drawing top power and umbrella rope to produce leading top rope generation can be uniformly distributed into canopy face, lead top rope simultaneously and can effectively prevent from occurring " turning over top " phenomenon during quick parachute-opening.
3. do not sew up completely between adjacent two umbrella covers in the present invention first umbrella cover, the second umbrella cover, the 3rd umbrella cover and the 4th umbrella cover, especially these non-seam area are preferably formed with oval deflation hole, make canopy can form the parachute skirt of similar quadrangle after inflation overflow, four angles respectively form an oval deflation hole can improve stability in reserve parachute descent, and the oval deflation hole at four angles can regulate the free air capacity of canopy both can ensure stable descending speed according to descending speed voluntarily, also can reduce overload during parachute-opening simultaneously.
4. in the present invention canopy by umbrella rope and lead top rope be connected to umbrella rope switching band, by the mode of umbrella rope switching band, can prevent parachute jumping personnel aloft under Adverse attitude during parachute-opening and the umbrella rope system of reserve parachute be wound around, facilitate effectively dishing out of whole reserve parachute system.Umbrella rope switching band is connected by the straphanger of quick-detachable lock with parachute jumping personnel equipment again, can realize reserve parachute system and parachute being connected quickly and easily of personnel.
5. its canopy of reserve parachute provided by the invention adopts composite structured form, possesses the low dynamic load of high-drag characteristic sum cross parachute of round umbrella, the advantage of little pivot angle simultaneously.Canopy structure in the present invention selects the form similar with criss cross canopy structure, but do not follow cruciform parachute structure design ratio (inflation of traditional cruciform parachute be shaped after its standoff height in central symmetry axes basic with this canopy identical perpendicular to the projected edge length in the plane of central symmetry axes, namely canopy length arm ratio is about 3:1; After canopy of the present invention inflation is shaped the projected length of this canopy in central symmetry axes be about 3/10 ~ 2/5 in the ratio perpendicular to the projected edge length in the plane of central symmetry axes), adopt and carry out corner cut design at four angles of square parachute according to the drag characteristics of circular parachute.Canopy in the present invention is when inflation is covered with, and the drag characteristics of the rounded umbrella of the first half, the latter half is the parachute-opening characteristic of cross parachute.And umbrella top design umbrella apical pore pushes up stay cord to improve the overall aeroperformance of canopy with leading; And compared with the umbrella rope identical with conventional cruciform parachute length, the present invention also rely on the umbrella rope of different length to control the shaping rear base of canopy and be in same plane and the parachute skirt that closes up of similar square to improve overall resist collapse performance.
To sum up, reserve parachute provided by the invention is structurally innovated, and changes the circular configuration design of regular backup umbrella, is improved structural behaviour and the operating characteristic of existing regular backup umbrella by composite structured design.Connect simple and easy, be convenient for carrying, meet the quick parachute-opening of various complex environment and stable to decline, ensureing the validity of emergency survival.
Accompanying drawing explanation
Fig. 1, Fig. 2 are the structural representation of reserve parachute in the present invention;
Fig. 3 is the use schematic diagram of reserve parachute in the present invention.
In figure, the implication of each Reference numeral is as follows: 1 is canopy, and 2 is umbrella rope loop, and 3 is umbrella top loop, and 4 is reinforced rib, and 5 is umbrella apical pore, and 6 is umbrella rope, and 7 for leading top rope, and 8 is umbrella rope switching band, and 9 is quick-detachable lock, and 10 is deflation hole, and 11 is straphanger.
Detailed description of the invention
In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.In addition, if below in described each embodiment of the present invention involved technical characteristic do not form conflict each other and just can mutually combine.
Embodiment 1
As shown in Figure 1, Figure 2 and Figure 3, parachute jumping reserve parachute in the present invention comprises canopy 1, what canopy 1 structure was " criss-cross " parachute with " round " parachute is composite structured, namely, this canopy 1 forms by being centered around the first umbrella cover of canopy central symmetry axes surrounding, the second umbrella cover, the 3rd umbrella cover and the 4th umbrella cover, when inflating overflow, the bottom margin of these four umbrella covers is being camber line perpendicular to the projection in the plane of central symmetry axes, and these four projection lines intersect the shape (forming the shape of similar quadrangle) being formed and close.This canopy structure has the advantage of cruciform parachute and circular parachute simultaneously, can improve the opening speed of reserve parachute and the overload reducing to cause in opening process and the effect that swings.
Canopy 1 is by umbrella rope 6 and leads top rope 7 and be connected to umbrella rope switching band 8; By increase umbrella rope switching band 8 prevent parachute jumping personnel aloft under Adverse attitude during parachute-opening and the umbrella rope system of reserve parachute be wound around, facilitate effectively dishing out of whole reserve parachute system.
Umbrella rope switching band 8 is connected by the straphanger 11 of quick-detachable lock 9 with parachute jumping personnel equipment, uses quick-detachable lock 9 as connecting device between reserve parachute system and the straphanger 11 of parachute jumping personnel equipment, can realize reserve parachute system and parachute being connected quickly and easily of personnel.
The umbrella apical pore 5 (this umbrella apical pore 5 can be equilateral polygon or circle, is square in the present embodiment) that reserve parachute canopy 1 center is provided with; Base is sewed with the umbrella rope loop 2 (the end points umbrella rope loop that as shown in Figure 2, the umbrella rope loop at its insole binding two-end-point place is adjacent base is connected) of 24 Connectable umbrella ropes 6; Conduction place of power is sewed with reinforced rib 4, can be distributed to canopy face uniformly by actv. by leading the top tractive force drawing top power and umbrella rope 6 to produce that produces of rope 7.
The umbrella rope 6 that the canopy 1 of reserve parachute passes through totally two ten three kinds of length connects, and forms the base of similar quadrangle when inflating and being filled; Crotch is connected to umbrella rope 6 of the same race, respectively form an oval deflation hole 10 at four angles and can improve the stability of reserve parachute in descent, and the oval deflation hole at four angles can regulate the free air capacity of canopy both can ensure stable descending speed according to descending speed voluntarily, also can reduce overload during parachute-opening simultaneously.
Reserve parachute umbrella apical pore 5 diagonal angle place (i.e. the dimetric projection vertex position of umbrella apical pore 5) is sewed with the umbrella top loop 3 that top rope 7 is led in 4 connections, utilizes " turning over top " phenomenon of leading umbrella top that top rope 7 holds reserve parachute and can effectively prevent from occurring during quick parachute-opening.
In above-described embodiment, the quadrangle length of side of umbrella apical pore 5 is 300mm, after canopy 1 is inflated and is shaped, the standoff height of this canopy 1 in central symmetry axes is 1500mm ~ 1600mm, and this canopy 1 is 4100mm ~ 4150mm in the length of side (namely in the first umbrella cover, the second umbrella cover, the 3rd umbrella cover and the 4th umbrella cover any one umbrella cover at the straight-line distance projected between two-end-point perpendicular to the camber line in the plane of central symmetry axes) perpendicular to the class quadrangle projection in the plane of central symmetry axes.
In addition, canopy of the present invention inflation be shaped after the standoff height of this canopy in central symmetry axes and this canopy can also be 3/10 ~ 2/5 in the ratio perpendicular to the projected edge length in the plane of central symmetry axes.
Parachute jumping personnel emergency survival reserve parachute in the present invention, efficiently solves during other reserve parachutes use the potential safety hazard existed.This reserve parachute not only can be parachuted as specialty the emergency survival equipment of personnel, and can as one of emergency survival Support Equipment of any flight operation.
Those skilled in the art will readily understand; the foregoing is only preferred embodiment of the present invention; not in order to limit the present invention, all any amendments done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.
Claims (8)
1. a parachute jumping reserve parachute, is characterized in that, comprises canopy (1), umbrella rope loop (2), umbrella top loop (3), umbrella rope (6) and leads top rope (7), wherein,
Described canopy (1) is preferably centrosymmetric structure, and its central symmetry axes is parallel to vertical direction, and this canopy (1) projects upwards; Described canopy (1) forms by being centered around the first umbrella cover of described central symmetry axes surrounding, the second umbrella cover, the 3rd umbrella cover and the 4th umbrella cover; The projection of bottom margin in the plane perpendicular to described central symmetry axes of described first umbrella cover, described second umbrella cover, described 3rd umbrella cover and described 4th umbrella cover is camber line, and these four projection lines intersect and form closed shape;
Described umbrella rope loop (2) is positioned at the bottom margin of described canopy (1), for connecting described canopy (1) and described umbrella rope (6);
Described umbrella top loop (3) is positioned at the top of described canopy (1), pushes up restrict (7) with described leading for connecting described canopy (1);
Described umbrella rope (6) and described top rope (7) of leading are for being connected with parachute jumping personnel.
2. parachute jumping reserve parachute as claimed in claim 1, it is characterized in that, do not sew up completely between adjacent two umbrella covers in described first umbrella cover, described second umbrella cover, described 3rd umbrella cover and described 4th umbrella cover, wherein the projection of seam area in described central symmetry axes is positioned at above non-seam area projects in described central symmetry axes; In addition, in described first umbrella cover, described second umbrella cover, described 3rd umbrella cover and described 4th umbrella cover, the bottom margin of adjacent two umbrella covers is sewed up mutually.
3. parachute jumping reserve parachute as claimed in claim 2, it is characterized in that, the non-seam area in described first umbrella cover, described second umbrella cover, described 3rd umbrella cover and described 4th umbrella cover between adjacent two umbrella covers all forms oval deflation hole (10).
4. parachute jumping reserve parachute as claimed in claim 1, it is characterized in that, the top center place of described canopy (1) also offers umbrella apical pore (5), makes described canopy (1) be formed with top; This umbrella apical pore (5) is projected as square in the plane perpendicular to described central symmetry axes; Described umbrella top loop (3) is positioned at the top of described canopy (1).
5. parachute jumping reserve parachute as claimed in claim 4, it is characterized in that, the projection of described umbrella top loop (3) in the plane perpendicular to described central symmetry axes overlaps with the summit of the dimetric projection of described umbrella apical pore (5).
6. parachute jumping reserve parachute as claimed in claim 1, it is characterized in that, described canopy (1) is also provided with reinforced rib (4), described reinforced rib (4) is along the top center place of described canopy (1) to the directional spreding of described canopy (1) bottom margin.
7. parachute jumping reserve parachute as claimed in claim 6, it is characterized in that, described umbrella rope loop (2) is positioned at described reinforced rib (4) point of intersection crossing with described canopy (1) bottom margin.
8. parachute jumping reserve parachute as claimed in claim 1, it is characterized in that, described umbrella rope (6) is all transferred with umbrella rope be with (8) to be connected with described top rope (7) of leading, this umbrella rope switching band (8) is connected with straphanger (11) by quick-detachable lock (9), and described straphanger (11) is for being connected with described parachute jumping personnel.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201510903332.5A CN105539855A (en) | 2015-12-09 | 2015-12-09 | Reserve parachute for parachuting |
Applications Claiming Priority (1)
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CN201510903332.5A CN105539855A (en) | 2015-12-09 | 2015-12-09 | Reserve parachute for parachuting |
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CN105539855A true CN105539855A (en) | 2016-05-04 |
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CN201510903332.5A Pending CN105539855A (en) | 2015-12-09 | 2015-12-09 | Reserve parachute for parachuting |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107651197A (en) * | 2017-09-15 | 2018-02-02 | 上海近航智能科技有限公司 | Unmanned plane express delivery parachute and its delivery system |
CN110654552A (en) * | 2019-09-20 | 2020-01-07 | 湖南华望科技股份有限公司 | Quick parachute for air drop |
CN114275165A (en) * | 2021-12-24 | 2022-04-05 | 宏光空降装备有限公司 | Multi-width linkage operating panel structure |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2974913A (en) * | 1958-06-24 | 1961-03-14 | Steinthal & Co Inc M | Pilot chute with auxiliary deployment canopy |
GB1098286A (en) * | 1965-11-10 | 1968-01-10 | G O Parachute Company Ltd | Improvements in or relating to parachutes |
US3531067A (en) * | 1967-10-04 | 1970-09-29 | G Q Parachute Co Ltd | Parachutes |
DE4009951A1 (en) * | 1990-03-28 | 1991-10-02 | Josef W Dipl Ing Tichy | Fast opening parachute with centre cord - has shock absorbers to damp shocks imposed on load when parachute opens |
US5174527A (en) * | 1990-09-10 | 1992-12-29 | Alliant Techsystems Inc. | Annular spinning parachute |
CN1460083A (en) * | 2000-09-11 | 2003-12-03 | 帕拉-福利特公司 | Cruciform parachute with arms attached |
-
2015
- 2015-12-09 CN CN201510903332.5A patent/CN105539855A/en active Pending
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2974913A (en) * | 1958-06-24 | 1961-03-14 | Steinthal & Co Inc M | Pilot chute with auxiliary deployment canopy |
GB1098286A (en) * | 1965-11-10 | 1968-01-10 | G O Parachute Company Ltd | Improvements in or relating to parachutes |
US3531067A (en) * | 1967-10-04 | 1970-09-29 | G Q Parachute Co Ltd | Parachutes |
DE4009951A1 (en) * | 1990-03-28 | 1991-10-02 | Josef W Dipl Ing Tichy | Fast opening parachute with centre cord - has shock absorbers to damp shocks imposed on load when parachute opens |
US5174527A (en) * | 1990-09-10 | 1992-12-29 | Alliant Techsystems Inc. | Annular spinning parachute |
CN1460083A (en) * | 2000-09-11 | 2003-12-03 | 帕拉-福利特公司 | Cruciform parachute with arms attached |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107651197A (en) * | 2017-09-15 | 2018-02-02 | 上海近航智能科技有限公司 | Unmanned plane express delivery parachute and its delivery system |
CN110654552A (en) * | 2019-09-20 | 2020-01-07 | 湖南华望科技股份有限公司 | Quick parachute for air drop |
CN114275165A (en) * | 2021-12-24 | 2022-04-05 | 宏光空降装备有限公司 | Multi-width linkage operating panel structure |
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