JP2008302856A - Leafing device of parachute - Google Patents

Leafing device of parachute Download PDF

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JP2008302856A
JP2008302856A JP2007153072A JP2007153072A JP2008302856A JP 2008302856 A JP2008302856 A JP 2008302856A JP 2007153072 A JP2007153072 A JP 2007153072A JP 2007153072 A JP2007153072 A JP 2007153072A JP 2008302856 A JP2008302856 A JP 2008302856A
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cloth
umbrella
holding
parachute
closed
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JP5022113B2 (en
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Tomoyuki Saito
智幸 齋藤
Nobuyuki Yasuse
伸幸 安瀬
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Fujikura Parachute Co Ltd
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Fujikura Parachute Co Ltd
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Abstract

<P>PROBLEM TO BE SOLVED: To provide a leafing device of a parachute capable of a single use or a combined use with a plurality of leafing lines, and capable of extremely small deceleration which is difficult to achieve in the leafing lines. <P>SOLUTION: This leafing device of a parachute comprises a closed parachute holding cloth 4 holding a closed parachute condition by covering a periphery of a closed parachute 20, and hold releasing means 51, 52, 53, 54 releasing holding of the closed condition of the parachute by the closed parachute holding cloth after a predetermined time has elapsed. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

本発明は、落下傘が全開する前段階における落下傘のリーフィング手法において最も一般的なリーフィングラインによる落下傘のリーフィングでは達成できない程小さい減速力で落下傘を減速させることを可能とする落下傘のリーフィング装置に関する。   [Technical Field] The present invention relates to a paraffin leafing device that can decelerate a parachute with a small reduction force that cannot be achieved by the paraffin leafing method using the most common leafing line in the paraffin leafing method before the parachute is fully opened.

高速で飛翔又は落下する落下物を落下傘を使用して減速する場合に、大きな落下傘を一挙に全開させると、急激な減速による衝撃力により落下物や落下傘が損傷するため、このような場合は落下傘による減速を段階的に行う。   When you use a parachute to decelerate a falling object that flies or falls at high speed, if you open the large parachute all at once, the falling object or the parachute will be damaged by the impact force caused by sudden deceleration. Decrease by step by step.

落下傘による段階的な減速の方法の一つとして、大きさの異なる落下傘を小さい順に段階的に開傘させる方法があるが、その他の方法として、落下傘の開度をしぼる単独又は複数のリーフィングラインと、時限式に逐次これらのリーフィングラインを切断する切断器とを使用して、落下傘を段階的に広げる方法がある。
特開２００６−２４０５３２号公報 特開２００７−９０９８２号公報 One method of gradual deceleration with a parachute is a method of opening parachutes of different sizes step by step in ascending order, but as another method, a single or a plurality of leafing lines that reduce the opening of the parachute There is a method of expanding the parachute step by step using a cutter that sequentially cuts these leafing lines in a timed manner.
JP 2006-240532 A JP 2007-90982 A

リーフィングラインによる方法では、落下傘はリーフィングラインで開度を拘束された部位以外の部分が空気をはらんで膨らむため、リーフィングラインのみで初期の小さな減速を調整することが困難である。   In the method using the leafing line, since the portion other than the portion of the opening where the opening degree is constrained by the leafing line is inflated with air, it is difficult to adjust the initial small deceleration with the leafing line alone.

本発明の目的は、単独又は複数のリーフィングラインとの併用が可能で、リーフィングラインでは達成が困難な極めて小さな減速を行うことが可能な落下傘のリーフィング装置を提供することにある。   An object of the present invention is to provide a paraffin leafing device that can be used in combination with a single leafing line or a plurality of leafing lines and can perform extremely small deceleration that is difficult to achieve with the leafing lines.

本発明の落下傘のリーフィング装置は、閉傘状態の落下傘の周面を覆うことにより該閉傘状態を保持する閉傘保持布と、上記閉傘保持布による上記落下傘の閉傘状態の保持を許容し、所定時間を経過した後は、上記閉傘保持布による上記落下傘の閉傘状態の保持を解除する保持解放手段と、を備えることを特徴としている。   The paraffin leafing device according to the present invention allows a closed umbrella holding cloth to hold the closed umbrella state by covering a peripheral surface of the closed umbrella state, and allows the closed umbrella to be held in the closed state by the closed umbrella holding cloth. Then, after a predetermined time elapses, a holding / releasing means for releasing the holding state of the parachute by the closing umbrella holding cloth is provided.

本発明は、上記閉傘保持布が、上記落下傘の軸線と略平行な方向に延びる一対の側縁部どうしを結合することにより筒形状をなし、かつ該一対の側縁部どうしが離れることにより展開する展開布からなり、上記展開布の一対の側縁部どうしを仮止めし、上記保持解放手段の動作に連動して該仮止め状態を解除する仮止め手段を備える態様で実施可能である。   In the present invention, the closed umbrella holding cloth is formed into a cylindrical shape by connecting a pair of side edges extending in a direction substantially parallel to the axis of the drop umbrella, and the pair of side edges are separated from each other. It is possible to implement in an aspect comprising a deployment cloth that is deployed, temporarily provisionally fastened between a pair of side edge portions of the deployment cloth, and releasing the temporarily secured state in conjunction with the operation of the holding and releasing means. .

この実施態様では、上記仮止め手段が、上記閉傘保持布の一方の側縁部に並べて穿設した複数の貫通孔と、上記閉傘保持布の他方の側縁部に並べて固定した、対応する各貫通孔を貫通する複数のループと、からなり、上記各ループは、上記貫通孔を貫通した後に直上のループを通り抜けて下方に延びているのが好ましい。   In this embodiment, the temporary fixing means has a plurality of through-holes formed side by side on the one side edge of the closed umbrella holding cloth, and fixed on the other side edge of the closed umbrella holding cloth. It is preferable that each of the loops penetrates the through hole and extends downward through the loop immediately above.

さらに、上記保持解放手段が、一端が上記展開布の下端部近傍に止着したゴム紐と、一端が該ゴム紐を自由状態より伸張させながら該ゴム紐の他端に接続し、かつ緊張状態で最下部に位置する上記ループを通り抜けるループ貫通紐と、上記展開布の下端部近傍に設けた、上記ループ貫通紐を切断可能な時限式の切断手段と、を備えるのが好ましい。   Furthermore, the holding and releasing means is connected to the other end of the rubber cord with one end fastened to the vicinity of the lower end portion of the deployment cloth, and one end of the rubber cord extending from the free state, and in a tension state It is preferable to include a loop penetrating string that passes through the loop located at the lowermost part, and a time-cutting means provided in the vicinity of the lower end of the unfolded cloth and capable of cutting the loop penetrating string.

さらに、上記展開布が閉傘状態の上記落下傘の周囲を覆う筒形状をなすときに、該展開布の下端開口部を、上記落下傘の下端より小径となるように絞り込んだ状態で該落下傘の下端より下方に位置させるのが好ましい。   Furthermore, when the deployment cloth has a cylindrical shape that covers the periphery of the parachute in the closed state, the lower end of the parachute is narrowed so that the lower end opening of the deployment cloth has a smaller diameter than the lower end of the parachute. It is preferable to position it below.

また本発明は、上記閉傘保持布が閉傘状態にある上記落下傘より大径で、その下端開口部が上記落下傘の下端より下方に位置し、かつ浮力を生じる抵抗体に接続する筒状保持布であり、上記保持解放手段が、上記筒状保持布の下端部に設けた、該筒状保持布の下端開口部を該落下傘の下端より小径になるまで絞る絞り紐と、上記筒状保持布の下端部近傍に設けた、上記絞り紐を通しかつ切断可能な時限式の切断手段と、を備える態様で実施することも可能である。   Further, the present invention provides a tubular holding in which the closed umbrella holding cloth is larger in diameter than the dropped umbrella in the closed state, the lower end opening is located below the lower end of the dropped umbrella, and is connected to a resistor that generates buoyancy. A drawstring, wherein the holding and releasing means squeezes the lower end opening of the cylindrical holding cloth until it has a smaller diameter than the lower end of the parachute, provided at the lower end of the cylindrical holding cloth; and the cylindrical holding It is also possible to implement in a mode provided with a time-cutting means provided in the vicinity of the lower end portion of the cloth and capable of passing through and cutting the drawstring.

本発明によると、所定時間を経過する前は、閉傘保持布によって閉傘状態を保持された落下傘が抵抗力を生じる。しかし、閉傘保持布が閉傘状態にある落下傘の周囲を包むため、落下傘が内部に流入した空気圧により膨張することがない。そのため、傘体の長さを考慮しても落下傘が発生する抵抗力はリーフィングラインによって開度を規制したときよりも小さいので、この小さな抵抗力によって落下物（あるいは高速飛翔体等）の初期減速が行われる。   According to the present invention, before the predetermined time elapses, the parachute held in the closed state by the closed umbrella holding cloth generates resistance. However, since the closed umbrella holding cloth wraps around the parachute in the closed state, the parachute does not expand due to the air pressure flowing into the inside. For this reason, even if the length of the umbrella is taken into account, the resistance force generated by the parachute is smaller than when the opening is regulated by the leafing line, so the initial deceleration of the fallen object (or high-speed flying object, etc.) by this small resistance force Is done.

請求項２のように構成すれば、仮止め手段が機能しているときは、筒形状をなす展開布によって落下傘の閉傘状態が確実に保持される。   According to the second aspect of the invention, when the temporary fixing means is functioning, the closed state of the parachute is reliably held by the deploying cloth having a cylindrical shape.

さらに、保持解放手段の動作に連動して仮止め手段が仮止め状態を解除すると、展開布の一対の側縁部どうしが分離するので、落下傘の閉傘状態の保持を速やかに解除できる。   Further, when the temporary fixing means is released from the temporary fixing state in conjunction with the operation of the holding and releasing means, the pair of side edges of the deployable cloth are separated from each other, so that the holding of the parachute in the closed state can be quickly released.

請求項３のように構成すれば、安価かつ簡単な構造の仮止め手段が得られる。   According to the third aspect of the present invention, an inexpensive and simple temporary fixing means can be obtained.

請求項４のように構成すれば、切断手段によってループ貫通紐を切断すると、伸張状態にあったゴム紐が自由状態に弾性復帰し、このときのゴム紐の弾性力によってループ貫通紐が最下部のループから勢いよく脱出する。   When the loop penetrating string is cut by the cutting means, the stretched rubber string is elastically returned to the free state, and the loop penetrating string is moved to the lowest position by the elastic force of the rubber string at this time. Escape vigorously from the loop.

このようにループ貫通紐が最下部のループから勢いよく脱出すると、展開布の下縁開口部が速やかに開放され、さらに落下傘の傘縁から落下傘内へ空気流が流れ込みこの空気流の力により落下傘が開くので、各ループが直上のループから速やかに脱出する。そのため、落下傘の閉傘状態の保持をより円滑に解除できるようになる。   When the loop penetrating string vigorously escapes from the lowermost loop in this way, the lower edge opening of the deployment cloth is quickly opened, and an air flow flows into the parachute from the parachute rim of the parachute, and the force of the air flow causes the parachute. Opens so that each loop quickly escapes from the loop immediately above. Therefore, it becomes possible to more smoothly release the parachute from being held closed.

請求項５のように構成すれば、展開布の下端開口部が落下傘の下端より小径となるように絞り込まれているので、落下傘の傘縁から落下傘内へ下方から上方に高速で流れる空気が流入するのをほぼ遮断できるので、落下傘頂部付近が空気で膨張して過大な減速を生ずることを防止できる。また、展開布およびループに要求される強度を低減できる。   According to the fifth aspect of the present invention, since the lower end opening of the deployable cloth is narrowed so as to have a smaller diameter than the lower end of the parachute, air flowing at high speed from below to above the parachute from the umbrella edge into the parachute flows in. Therefore, it is possible to prevent the vicinity of the top of the parachute from being expanded by air and causing excessive deceleration. Further, the strength required for the spread cloth and the loop can be reduced.

さらに、展開布の下端開口部より下方に位置していた空気（風）は展開布の下端部の外周面に沿って上方に滑らかに流れるので、落下傘の抵抗力が急激に増大することはない。従って、落下物の落下速度の急激な低下を防止できる。   Furthermore, since the air (wind) located below the lower end opening of the spreading cloth flows smoothly upward along the outer peripheral surface of the lower end of the spreading cloth, the resistance of the parachute does not increase rapidly. . Accordingly, it is possible to prevent a rapid drop in the falling speed of the falling object.

請求項６のように構成すれば、筒状保持布は展開布とは異なり仮止め手段が不要なので、部品点数を削減することができる。   According to the sixth aspect of the present invention, the temporary holding means is not necessary for the cylindrical holding cloth unlike the spread cloth, so that the number of parts can be reduced.

また、筒状保持布の下端開口部が落下傘の下端より下方に位置するとき、絞り紐によって絞られた筒状保持布の下端開口部が落下傘の下端より小径となるので、筒状保持布が不意に落下傘から引き抜かれることを防止できる。   In addition, when the lower end opening of the cylindrical holding cloth is positioned below the lower end of the umbrella, the lower end opening of the cylindrical holding cloth squeezed by the string is smaller in diameter than the lower end of the umbrella, It can be prevented from being pulled out of the parachute unexpectedly.

さらに、落下傘の傘縁から落下傘内へ下方から上方に高速で流れる空気が流入するのをほぼ遮断できるので、落下傘頂部付近が空気で膨張して過大な減速を生ずることを防止できる。また、展開布に要求される強度を低減できる。   Furthermore, since the air flowing at high speed from below to the inside of the parachute from the umbrella edge of the parachute can be substantially blocked, it is possible to prevent the vicinity of the top of the parachute from being expanded by air and causing excessive deceleration. Further, the strength required for the spread cloth can be reduced.

しかも、切断手段によって絞り紐を切断すると、筒状保持布の下端開口部が閉傘状態の落下傘より大径になるので、落下傘は筒状保持布から速やかに脱出できる。   In addition, when the drawstring is cut by the cutting means, the lower end opening of the cylindrical holding cloth becomes larger in diameter than the closed umbrella, so that the falling umbrella can quickly escape from the cylindrical holding cloth.

以下、本発明の第１の実施形態を図１から図９を参照しながら説明する。   Hereinafter, a first embodiment of the present invention will be described with reference to FIGS.

本実施形態のパラシュートシステムは、無人飛行機Ａを地上へ着陸させる際に無人飛行機Ａの落下速度（降下速度）を減速させるためのものであり、大きな構成要素として主傘（落下傘）２０とパイロット傘（補助傘）３０を具備している。   The parachute system of the present embodiment is for reducing the falling speed (falling speed) of the unmanned airplane A when landing the unmanned airplane A on the ground, and a main umbrella (falling umbrella) 20 and a pilot umbrella as major components. (Auxiliary umbrella) 30 is provided.

主傘２０は、扇形をなす複数のゴア２１の側縁部を繋ぎ合わせた構造の傘体２２と、上端を傘体２２の周縁部（下縁部）に固定すると共に下端を無人飛行機Ａを吊り下げる懸吊帯２５に連結した複数の吊索２３と、を具備している。傘体２２は、図３に示す閉傘状態に折り畳むことが可能であり、さらにＳ字状に小さく折りたたんで無人飛行機Ａ内に収納される。主傘２０は、図６に示す全開状態まで開傘すると略半球形状となる。さらに、図５に示すように、傘体２２の内周面の周縁部には周方向に沿って延びる公知の開度の異なる（径が異なる）複数本のリーフィングライン２４（図５では１本のみ図示している）によるリーフィング機構が設けてある。   The main umbrella 20 has a structure in which side edges of a plurality of fan-shaped gores 21 are joined together, and an upper end is fixed to a peripheral edge (lower edge) of the umbrella 22 and a lower end of the unmanned airplane A. And a plurality of suspension ropes 23 connected to a suspension strap 25 to be suspended. The umbrella body 22 can be folded in the closed umbrella state shown in FIG. 3, and is further folded into an S-shape and stored in the unmanned airplane A. When the main umbrella 20 is opened to the fully open state shown in FIG. 6, the main umbrella 20 has a substantially hemispherical shape. Further, as shown in FIG. 5, a plurality of leafing lines 24 having different opening degrees (different diameters) extending along the circumferential direction (one in FIG. 5) are provided on the peripheral portion of the inner peripheral surface of the umbrella body 22. A leafing mechanism is provided.

パイロット傘３０は、扇形をなす複数のゴア３１の側縁部を繋ぎ合わせた構造の傘体３２と、上端を傘体３２の周縁部に固定し下端を纏めた複数の吊索３３と、上端が吊索３３の下端に結合し下端が主傘２０の頂部に仮縛状態で接続された連結索３５と、を有している。傘体３２は、図２に示すように、着脱可能なキャップ体３４を被せることにより折り畳まれた閉傘状態となり、図３に示す全開状態まで開傘すると略半球形状となる。図３から明らかなように、パイロット傘３０の傘体３２は主傘２０の傘体２２より小径である。   The pilot umbrella 30 includes an umbrella body 32 having a structure in which side edges of a plurality of fan-shaped gores 31 are joined together, a plurality of suspension ropes 33 each having an upper end fixed to the periphery of the umbrella body 32 and gathered at the lower ends, and an upper end Is connected to the lower end of the suspension rope 33 and has a lower end connected to the top of the main umbrella 20 in a temporarily bound state. As shown in FIG. 2, the umbrella body 32 is folded by covering with a removable cap body 34, and is substantially hemispherical when the umbrella body is opened to the fully opened state shown in FIG. 3. As is clear from FIG. 3, the umbrella body 32 of the pilot umbrella 30 has a smaller diameter than the umbrella body 22 of the main umbrella 20.

図３に示すように、閉傘状態にある主傘２０の傘体２２の中央部よりやや上方の部位から傘縁にかけてナイロン（あるいは、ポリエステル、超高分子量ポリエチレン（商品名スペクトラ、ダイニーマ（登録商標）等）、アラミド繊維（例えば、ケブラー（登録商標）等）等）によって成形した展開布（保持布）４０を巻き付けてある。   As shown in FIG. 3, nylon (or polyester, ultra high molecular weight polyethylene (trade name: Spectra, Dyneema (registered trademark)) from a portion slightly above the central portion of the umbrella body 22 of the main umbrella 20 in the closed state to the umbrella edge. ), Etc.), a deployment cloth (holding cloth) 40 formed of aramid fibers (for example, Kevlar (registered trademark), etc.).

展開布４０の展開形状は矩形であり、展開布４０は上下方向に延びる一対の側縁部を備えている。展開布４０の一方の側縁部には複数の貫通孔４１が該側縁部に沿って穿設してあり、他方の側縁部の外周面には貫通孔４１と同数のループ４２が該側縁部に沿って設けてある。従って図７に示すように、各ループ４２が対応する各貫通孔４１を展開布４０の内周面側から外周面側に通り抜け、さらに各ループ４２が直上のループ４２を通り抜けることにより展開布４０は筒形状をなし、この状態で閉傘状態にある傘体２２の周面を覆う。   The deployment shape of the deployment cloth 40 is a rectangle, and the deployment cloth 40 includes a pair of side edges extending in the vertical direction. A plurality of through holes 41 are formed along one side edge of the deployment cloth 40 along the side edge, and the same number of loops 42 as the through holes 41 are formed on the outer peripheral surface of the other side edge. It is provided along the side edge. Accordingly, as shown in FIG. 7, each through-hole 41 corresponding to each loop 42 passes from the inner peripheral surface side to the outer peripheral surface side of the developing cloth 40, and further, each loop 42 passes through the loop 42 directly above, thereby the developing cloth 40. Has a cylindrical shape and covers the circumferential surface of the umbrella body 22 in the closed state in this state.

さらに、このように貫通孔４１及びループ４２によって形作られた展開布４０の筒形状は、展開布４０に設けた固定筒５１（作動延時式（時限式）の切断具５２を内蔵）とループ貫通紐５３とゴム紐５４からなる保持解放手段５０によって保持されている。   Further, the cylindrical shape of the deployment cloth 40 formed by the through hole 41 and the loop 42 in this way is a fixed cylinder 51 (with a built-in operation extended time (timed) cutting tool 52) provided in the deployment cloth 40 and a loop penetration. It is held by holding / releasing means 50 comprising a string 53 and a rubber string 54.

展開布４０の外周面の下端部近傍に固定した固定筒５１は中空の筒体であり、その内部に、主傘２０の傘体２２がパイロット傘３０により無人飛行機Ａから引き出された状態において作動する切断具（切断手段）５２を備えている。可撓性を有する柔軟な材料からなるループ貫通紐５３は、固定筒５１の壁面に穿設した貫通孔（図示略）を通って固定筒５１を通り抜けており、その一端を展開布４０の外周面に固定している。このループ貫通紐５３は最下部のループ４２を通り抜けており、展開布４０の下端部に穿設した通し孔４３を通って一旦展開布４０の内側に延び、さらに展開布４０の下端部に穿設した別の通し孔４４を通って展開布４０の外側に延びている。ループ貫通紐５３の他端にはゴム紐５４の下端が結合しており、ゴム紐５４の上端は自由状態より伸張した状態で展開布４０の外周面の下端部近傍に止着してある。   The fixed cylinder 51 fixed in the vicinity of the lower end of the outer peripheral surface of the deployment cloth 40 is a hollow cylinder, and operates in a state in which the umbrella body 22 of the main umbrella 20 is pulled out from the unmanned airplane A by the pilot umbrella 30. A cutting tool (cutting means) 52 is provided. The loop penetration string 53 made of a flexible material having flexibility passes through the fixed cylinder 51 through a through hole (not shown) drilled in the wall surface of the fixed cylinder 51, and one end of the loop penetration string 53 is an outer periphery of the deployment cloth 40. It is fixed to the surface. The loop penetrating string 53 passes through the lowermost loop 42, extends once through the through hole 43 formed in the lower end portion of the deployment cloth 40, and then extends to the inner side of the deployment cloth 40. It extends to the outside of the deployment cloth 40 through another through hole 44 provided. The other end of the loop penetrating string 53 is coupled to the lower end of the rubber string 54, and the upper end of the rubber string 54 is fastened to the vicinity of the lower end portion of the outer peripheral surface of the deployment cloth 40 in a state where it is extended from the free state.

このように、ゴム紐５４の弾性力がループ貫通紐５３及び最下部のループ４２に及んでいるので、ループ貫通紐５３及び総てのループ４２は緊張状態となり、図７に示すように展開布４０の下端開口部４５は傘体２２の下端部より小径になる。   Thus, since the elastic force of the rubber string 54 reaches the loop penetrating string 53 and the lowermost loop 42, the loop penetrating string 53 and all the loops 42 are in a tension state, and as shown in FIG. The lower end opening 45 of 40 has a smaller diameter than the lower end of the umbrella body 22.

このように、展開布４０が閉傘状態にある傘体２２の周面を覆うことにより該閉傘状態が保持される。また、展開布４０が閉傘状態にある傘体２２から不意に上方に抜け出すことはない。   In this way, the unfolded state is maintained by covering the peripheral surface of the umbrella body 22 in the state in which the deployable cloth 40 is in the closed state. Further, the unfolded cloth 40 does not unexpectedly come out of the umbrella body 22 in the closed state.

次に以上構成のパラシュートシステムによって無人飛行機Ａを着陸させる要領について説明する。   Next, the procedure for landing the unmanned airplane A by the parachute system configured as described above will be described.

まず、主傘２０及びパイロット傘３０を折り畳んで閉傘状態にし、さらに、キャップ体３４で傘体３２を覆い、かつ展開布４０で傘体２２を覆う。そして、このように閉傘した主傘２０を小さなＳ字折りにし、パイロット傘３０とともに無人飛行機Ａの内部に収納する。   First, the main umbrella 20 and the pilot umbrella 30 are folded into a closed umbrella state, and the umbrella body 32 is covered with the cap body 34 and the umbrella body 22 is covered with the deployment cloth 40. Then, the main umbrella 20 closed in this way is folded into a small S-shape and stored in the unmanned airplane A together with the pilot umbrella 30.

高速飛行中の無人飛行機Ａ（図１参照）が着陸態勢に入ると、無人飛行機Ａの上部に形成したハッチ（図示略）が開き、図２に示すようにハッチを通してパイロット傘３０及びキャップ体３４が無人飛行機Ａの上方に飛び出す。すると、キャップ体３４が傘体３２から自動的に分離するので、閉傘状態にあった傘体３２が下方からの風圧によって図３に示す全開状態まで開傘し、さらに吊索３３及び連結索３５が緊張状態になる。さらに図３に示すように、パイロット傘３０の浮力によって主傘２０が無人飛行機Ａの上方に引き出され略直線状になる。パイロット傘３０はこの直後に連結索３５とともに主傘２０の頂部から切り離される。   When the unmanned airplane A (see FIG. 1) in high-speed flight enters a landing posture, a hatch (not shown) formed at the top of the unmanned airplane A opens, and the pilot umbrella 30 and the cap body 34 are passed through the hatch as shown in FIG. Jumps above the unmanned airplane A. Then, since the cap body 34 is automatically separated from the umbrella body 32, the umbrella body 32 in the closed state is opened to the fully opened state shown in FIG. 35 becomes nervous. Further, as shown in FIG. 3, the main umbrella 20 is pulled out above the unmanned airplane A by the buoyancy of the pilot umbrella 30 and becomes substantially linear. The pilot umbrella 30 is separated from the top of the main umbrella 20 together with the connecting cable 35 immediately after this.

パイロット傘３０によって無人飛行機Ａから引き出された主傘２０は展開布４０によって閉傘状態に保持されているが、傘体２２及び展開布４０は一定の浮力を発生する。ただし、このときの傘体２２の上方から見たときの面積は各リーフィングライン２４によって開度を規制された場合に比べてかなり小さいので、この際に傘体２２及び展開布４０が発生する浮力は各リーフィングライン２４によって開度を規制された場合より小さい。さらに図７に示すように、展開布４０の下端部がその他の部分より小径となるように絞られているので、このとき傘体２２及び展開布４０の下端より下方に位置していた空気（風）は展開布４０の下端部の湾曲面に沿って上方に円滑に流れる（矢印Ｂ参照）。従って、展開布４０の下端部を絞り込まない場合に比べて傘体２２及び展開布４０が発生する浮力は小さくなっている。   Although the main umbrella 20 pulled out from the unmanned airplane A by the pilot umbrella 30 is held in a closed state by the deployment cloth 40, the umbrella body 22 and the deployment cloth 40 generate a certain buoyancy. However, since the area when viewed from above the umbrella body 22 is considerably smaller than that when the opening degree is regulated by the leafing lines 24, the buoyancy generated by the umbrella body 22 and the deployment cloth 40 at this time Is smaller than when the opening degree is regulated by each leafing line 24. Further, as shown in FIG. 7, since the lower end portion of the deployment cloth 40 is narrowed so as to have a smaller diameter than the other portions, the air (at this time, located below the lower ends of the umbrella body 22 and the deployment fabric 40 ( Wind) smoothly flows upward along the curved surface at the lower end of the deployment cloth 40 (see arrow B). Therefore, the buoyancy generated by the umbrella body 22 and the deployment cloth 40 is smaller than when the lower end portion of the deployment cloth 40 is not narrowed down.

さらに、展開布４０全体で閉傘状態にある主傘２０の周面を覆うので、主傘２０の傘縁から主傘２０内に下方から上方へ高速で流れる空気が流入するのをほぼ遮断できる。従って、流入した空気により主傘２０が膨らむことがなく（主傘２０の浮力が急激に増大することがなく）、展開布４０に要求される強度を低減できる。   Furthermore, since the entire deployment cloth 40 covers the peripheral surface of the main umbrella 20 in the closed state, it is possible to substantially block air flowing from the upper edge of the main umbrella 20 from the lower side to the upper side at a high speed. . Therefore, the main umbrella 20 does not swell due to the inflowing air (the buoyancy of the main umbrella 20 does not increase rapidly), and the strength required for the deployment cloth 40 can be reduced.

このように閉傘状態の傘体２２及び展開布４０による浮力により、無人飛行機Ａの落下速度は緩やかに減速される。   Thus, due to the buoyancy caused by the umbrella body 22 and the deployment cloth 40 in the closed state, the falling speed of the unmanned airplane A is slowly reduced.

傘体３２が開傘してから所定時間が経過すると、展開布４０の外周面の下端部近傍に固定した固定筒５１の中の切断具５２がループ貫通紐５３を切断する。すると、伸張していたゴム紐５４が自由状態まで縮むので、この弾性力によってループ貫通紐５３が最下部のループ４２から勢いよく脱出する。すると、展開布４０の下端が開放され、下方からの風圧及び傘体２２の開傘方向の圧力によって、各ループ４２が直上のループ４２及び対応する各貫通孔４１から脱出し展開布４０の一対の側縁部どうしが速やかに離れるので、主傘２０が開傘を始める。   When a predetermined time elapses after the umbrella body 32 is opened, the cutting tool 52 in the fixed cylinder 51 fixed in the vicinity of the lower end portion of the outer peripheral surface of the deployment cloth 40 cuts the loop penetration string 53. Then, since the stretched rubber string 54 is contracted to the free state, the loop penetrating string 53 escapes vigorously from the lowermost loop 42 by this elastic force. Then, the lower end of the deployment cloth 40 is opened, and each loop 42 escapes from the loop 42 directly above and the corresponding through hole 41 by the wind pressure from below and the pressure in the opening direction of the umbrella body 22. Since the side edges of each other are quickly separated, the main umbrella 20 starts to open.

このように展開布４０が左右に分離して開くと傘体２２は下方からの風圧によって開傘するが、各リーフィングライン２４が傘体２２の開度をさらに段階的に規制するので、図５に示すように傘体２２は全開状態より小さい複数の開度（例えば図５に示す開度）まで段階的に開き各開度状態を所定時間維持する。このように傘体２２がいきなり全開になるのではなく段階的に開くので、無人飛行機Ａの落下速度が急激に減速することはなく、緩やかに減速する。   Thus, when the deployment cloth 40 is separated and opened to the left and right, the umbrella body 22 is opened by the wind pressure from below, but each leafing line 24 regulates the opening degree of the umbrella body 22 in a stepwise manner. As shown in FIG. 4, the umbrella body 22 is gradually opened to a plurality of opening degrees (for example, the opening degree shown in FIG. 5) smaller than the fully opened state, and each opening state is maintained for a predetermined time. Thus, since the umbrella body 22 is opened in stages rather than suddenly fully opening, the dropping speed of the unmanned airplane A does not decelerate rapidly but slowly decelerates.

そして、各リーフィングライン２４を利用した主傘による緩やかな減速状態が所定時間経過するごとに、各リーフィングライン２４の近傍に設けた切断機構（ループ貫通紐５３の切断機構と同じ構造）が各リーフィングライン２４を順次切断するので、傘体２２は下方からの風圧によって図６に示すように全開状態まで開傘する。傘体２２が全開すると傘体２２が大きな浮力を発生するので、無人飛行機Ａの落下速度は大幅に低下する。しかし、傘体２２が全開するまでに多段階で無人飛行機Ａの落下速度を減速しているので、無人飛行機Ａや主傘２０に大きな負荷が掛かることはない。   A cutting mechanism (same structure as the cutting mechanism of the loop penetration string 53) provided in the vicinity of each leafing line 24 is used for each leafing every time a slow deceleration state by the main umbrella using each leafing line 24 passes for a predetermined time. Since the line 24 is sequentially cut, the umbrella body 22 is opened to the fully opened state as shown in FIG. 6 by the wind pressure from below. When the umbrella body 22 is fully opened, the umbrella body 22 generates a large buoyancy, so that the dropping speed of the unmanned airplane A is greatly reduced. However, since the dropping speed of the unmanned airplane A is decelerated in multiple stages before the umbrella body 22 is fully opened, no great load is applied to the unmanned airplane A or the main umbrella 20.

傘体２２によって落下速度が抑制された無人飛行機Ａは、ゆっくりと着陸地に向かって降下し、やがて着陸する。   The unmanned aerial vehicle A whose dropping speed is suppressed by the umbrella body 22 slowly descends toward the landing site, and eventually land.

以上説明したように本実施形態のパラシュートシステムは、展開布４０によって主傘２０を閉傘状態に保持することにより、各リーフィングライン２４の開度規制によって生じる減速よりもさらに緩やかな減速を実現できる。   As described above, the parachute system of the present embodiment can achieve a gentler deceleration than the deceleration caused by the opening restriction of each leafing line 24 by holding the main umbrella 20 in the closed state by the deployment cloth 40. .

従って、従来のパラシュートシステムより緩やかで、かつ無人飛行機Ａ及び主傘２０に大きな負担を掛けることがない減速を実現できる。   Therefore, it is possible to realize deceleration that is more gradual than the conventional parachute system and does not impose a great burden on the unmanned airplane A and the main umbrella 20.

次に、本発明の第２の実施形態について図１０から図１２を参照しながら説明する。なお、第１の実施形態と同じ部材には同じ符号を付すに止めて、その詳細な説明は省略する。   Next, a second embodiment of the present invention will be described with reference to FIGS. The same members as those in the first embodiment are designated by the same reference numerals, and detailed description thereof is omitted.

本実施形態の特徴点は、図１０に示すとおり展開布４０の代わりに筒状保持布（保持布）６０を用いた点にある。   The characteristic point of this embodiment is that a cylindrical holding cloth (holding cloth) 60 is used instead of the spread cloth 40 as shown in FIG.

この筒状保持布６０は、綿布を下端部のみが開口する筒形状をなすように縫製したものであり、主傘２０の傘体２２全体を閉傘状態で包み込む。   This cylindrical holding cloth 60 is obtained by sewing a cotton cloth so as to have a cylindrical shape with only its lower end opened, and wraps the entire umbrella body 22 of the main umbrella 20 in a closed state.

本実施形態ではパイロット傘３０を連結索３５を介して筒状保持布６０の頂部に連結している。   In the present embodiment, the pilot umbrella 30 is connected to the top of the cylindrical holding cloth 60 via the connecting rope 35.

図１１に示すように、筒状保持布６０の下端部の内周面には、その全周に渡って周方向に延びる袋部６１が形成してある。袋部６１の内部には固定筒５１（図示略）が固定してある。さらに、袋部６１には可撓性を有する柔軟な材料からなる紐６２を挿入してある。この紐６２は固定筒５１の貫通孔を通って固定筒５１を貫通し、かつその両端末を相互に結束することにより袋部６１を小径になるように絞り込んでいる。そのため、図１１に示すように、筒状保持布６０で閉傘状態にある傘体２２を覆い、筒状保持布６０の下端開口部６３を傘体２２の下端より下方に位置させると、筒状保持布６０の下端開口部６３は傘体２２の下端部より小径となる。   As shown in FIG. 11, a bag portion 61 extending in the circumferential direction is formed on the inner peripheral surface of the lower end portion of the cylindrical holding cloth 60 over the entire circumference. A fixed cylinder 51 (not shown) is fixed inside the bag portion 61. Further, a string 62 made of a flexible material is inserted into the bag portion 61. The string 62 passes through the fixed cylinder 51 through the through-hole of the fixed cylinder 51, and squeezes the bag portion 61 to have a small diameter by binding both ends thereof. Therefore, as shown in FIG. 11, when the umbrella body 22 in the closed state is covered with the cylindrical holding cloth 60 and the lower end opening 63 of the cylindrical holding cloth 60 is positioned below the lower end of the umbrella body 22, The lower end opening 63 of the shape holding cloth 60 has a smaller diameter than the lower end of the umbrella body 22.

このような構成の本実施形態では、図１０に示すようにパイロット傘３０が主傘２０を落下中の無人飛行機Ａから引き出すと、筒状保持布６０が傘体２２の閉傘状態を保持するので、傘体２２及び筒状保持布６０が展開布４０で傘体２２を覆ったときと同程度の浮力を発生する。   In the present embodiment having such a configuration, as shown in FIG. 10, when the pilot umbrella 30 pulls out the main umbrella 20 from the unmanned airplane A that is falling, the cylindrical holding cloth 60 holds the umbrella body 22 in the closed state. Therefore, the buoyancy of the same level as when the umbrella body 22 and the cylindrical holding cloth 60 cover the umbrella body 22 with the deployment cloth 40 is generated.

また、傘体２２及び筒状保持布６０の下端より下方に位置していた空気（風）は筒状保持布６０の下端部の湾曲面に沿って上方に円滑に流れるので、筒状保持布６０の下端部を絞り込まない場合に比べて傘体２２及び筒状保持布６０が発生する浮力は小さい。そのため、閉傘状態の傘体２２及び筒状保持布６０による浮力により、無人飛行機Ａの落下速度が緩やかに減速する。   In addition, since air (wind) located below the lower ends of the umbrella body 22 and the cylindrical holding cloth 60 flows smoothly upward along the curved surface of the lower end portion of the cylindrical holding cloth 60, the cylindrical holding cloth The buoyancy generated by the umbrella body 22 and the cylindrical holding cloth 60 is small as compared with the case where the lower end portion of the 60 is not narrowed down. Therefore, the falling speed of the unmanned airplane A is gradually reduced by the buoyancy caused by the umbrella body 22 and the tubular holding cloth 60 in the closed state.

また、図１１に示すように筒状保持布６０の下端部は絞り込まれた形状となるので、筒状保持布６０が傘体２２から不意に上方に抜け出すことはない。さらに、主傘２０の傘縁から主傘２０内に下方から上方へ高速で流れる空気が流入するのをほぼ遮断できるので、流入した空気により主傘２０が膨らむことがなく（主傘２０の浮力が急激に増大することがなく）、筒状保持布６０に要求される強度を低減できる。   Further, as shown in FIG. 11, the lower end portion of the cylindrical holding cloth 60 has a squeezed shape, so that the cylindrical holding cloth 60 does not unexpectedly slip out of the umbrella body 22. Further, since the air flowing at high speed from the lower side to the upper side into the main umbrella 20 from the umbrella edge of the main umbrella 20 can be substantially blocked, the main umbrella 20 does not swell due to the inflowed air (the buoyancy of the main umbrella 20). The strength required for the cylindrical holding cloth 60 can be reduced.

このような傘体２２及び筒状保持布６０による減速状態が所定時間経過すると、固定筒５１内の切断具５２によって紐６２が切断されるので、図１２に示すように筒状保持布６０の下端開口部６３の径が拡がり、下端開口部６３が閉傘状態の傘体２２より大径になる。   When the deceleration state by the umbrella body 22 and the cylindrical holding cloth 60 elapses for a predetermined time, the string 62 is cut by the cutting tool 52 in the fixed cylinder 51. Therefore, as shown in FIG. The diameter of the lower end opening 63 increases, and the lower end opening 63 becomes larger in diameter than the umbrella body 22 in the closed state.

そのため、閉傘状態にある傘体２２が下端開口部６３から下方に脱出し、パイロット傘３０と連結索３５及び筒状保持布６０が主傘２０から分離するので、傘体２２は各リーフィングライン２４による段階的なさらなる開度規制を経た後に全開状態まで開傘する。   Therefore, the umbrella body 22 in the closed state escapes downward from the lower end opening 63, and the pilot umbrella 30, the connecting rope 35, and the cylindrical holding cloth 60 are separated from the main umbrella 20. Therefore, the umbrella body 22 has each leafing line. After the stepwise further opening degree regulation by 24, the umbrella is opened to the fully opened state.

以上説明したように、本実施形態の筒状保持布６０も第１の実施形態の展開布４０と同じ効果を発揮できる。   As described above, the cylindrical holding cloth 60 of this embodiment can also exhibit the same effect as the deployment cloth 40 of the first embodiment.

さらに、筒状保持布６０は常に筒状をなすので、第１の実施形態のように仮止め手段（貫通孔４１、ループ４２）を設ける必要がない。そのため、第１の実施形態の展開布４０に比べて部品点数が少なく、安価に製造できる。   Furthermore, since the cylindrical holding cloth 60 is always cylindrical, there is no need to provide temporary fixing means (through holes 41, loops 42) as in the first embodiment. Therefore, compared with the deployment cloth 40 of the first embodiment, the number of parts is small and it can be manufactured at low cost.

以上、第１及び第２の実施形態に基づいて本発明を説明したが、本発明は上記実施形態に限定されるものではない。   As mentioned above, although this invention was demonstrated based on 1st and 2nd embodiment, this invention is not limited to the said embodiment.

例えば、上記実施形態ではパラシュートシステムで無人飛行機Ａを吊支しているが、無人飛行機Ａ以外の落下物や高速飛翔体、例えば空中飛翔型の魚雷等の減速システムとして実施することは勿論可能である。   For example, although the unmanned airplane A is suspended and supported by the parachute system in the above embodiment, it can of course be implemented as a deceleration system for falling objects other than the unmanned airplane A and high-speed flying objects, such as aerial flying type torpedoes. is there.

さらに、高速で飛行する輸送機からの物料投下における物料傘に第１の実施形態のように展開布４０を利用する場合は、パイロット傘３０を使用せず、機体に繋留される索（スタティック・ライン。抵抗体）で落下傘を伸張させてもよい。   Further, when the deployable cloth 40 is used as the material umbrella in the material drop from the transport aircraft flying at high speed as in the first embodiment, the pilot umbrella 30 is not used and the rope (static The parachute may be extended by a line (resistor).

本発明の第１の実施形態の無人飛行機の側面図である。1 is a side view of an unmanned aerial vehicle according to a first embodiment of the present invention. 無人飛行機からパイロット傘が放出された状態を示す側面図である。It is a side view which shows the state by which the pilot umbrella was discharge | released from the unmanned airplane. （ａ）はパイロット傘が開傘して主傘を無人飛行機から引き出した状態を示す側面図であり、（ｂ）はパイロット傘の拡大図である。(A) is a side view which shows the state which the pilot umbrella opened and the main umbrella was pulled out from the unmanned airplane, (b) is an enlarged view of the pilot umbrella. 閉傘保持布の仮止めが解除されたときの展開布、主傘及び無人飛行機の側面図である。It is a side view of a deployment cloth, a main umbrella, and an unmanned airplane when the temporary fixing of the closed umbrella holding cloth is released. 主傘がリーフィングライン（リーフィング機構）によって開度を規制された状態で開傘したときの側面図である。It is a side view when the main umbrella opens with the opening degree regulated by a leafing line (leafing mechanism). 主傘が全開したときの主傘と無人飛行機の側面図である。It is a side view of a main umbrella and an unmanned airplane when a main umbrella is fully opened. 閉傘状態の主傘と閉傘保持布の下部を拡大して示す側面図である。It is a side view which expands and shows the lower part of the main umbrella and closed umbrella holding | maintenance cloth of a closed state. 切断具がループ貫通紐を切断する前における閉傘保持布の下部の側面図である。It is a side view of the lower part of the closing umbrella holding cloth before a cutting tool cut | disconnects a loop penetration string. 切断具がループ貫通紐を切断した後の図８と同様の側面図である。It is a side view similar to FIG. 8 after a cutting tool cut | disconnects a loop penetration string. （ａ）は本発明の第２の実施形態の図３と同様の側面図であり、（ｂ）はパイロット傘の拡大図である。(A) is the side view similar to FIG. 3 of the 2nd Embodiment of this invention, (b) is an enlarged view of a pilot umbrella. 閉傘状態の主傘と筒状保持布の下部を拡大して示す側面図である。It is a side view which expands and shows the lower part of the main umbrella and cylindrical holding cloth of a closed state. パイロット傘、連結索及び筒状保持布が主傘から分離したときのパイロット傘、閉傘保持布、主傘及び無人飛行機の側面図である。It is a side view of a pilot umbrella, a closed umbrella holding cloth, a main umbrella, and an unmanned airplane when a pilot umbrella, a connecting rope, and a tubular holding cloth are separated from a main umbrella.

符号の説明Explanation of symbols

２０ 主傘（落下傘）
２１ ゴア
２２ 傘体
２３ 吊索
２４ リーフィングライン（リーフィング機構）
２５ 懸吊帯
３０ パイロット傘（抵抗体）
３１ ゴア
３２ 傘体
３３ 吊索
３４ キャップ体
３５ 連結索
４０ 展開布（閉傘保持布）
４１ 貫通孔（仮止め手段）
４２ ループ（仮止め手段）
４３ ４４ 通し孔
４５ 下端開口部
５０ 保持解放手段
５１ 固定筒
５２ 切断具（切断手段）
５３ ループ貫通紐
５４ ゴム紐
６０ 筒状保持布（閉傘保持布）
６１ 袋部
６２ 紐（絞り紐）
６３ 下端開口部
Ａ 無人飛行機（高速飛翔体。落下物） 20 Main umbrella (parachute)
21 Gore 22 Umbrella 23 Suspension cable 24 Leafing line (Leafing mechanism)
25 Suspension 30 Pilot umbrella (resistor)
31 Gore 32 Umbrella body 33 Suspension cable 34 Cap body 35 Connection cable 40 Deployment cloth (closed umbrella holding cloth)
41 Through hole (temporary fixing means)
42 loop (temporary fixing means)
43 44 Through-hole 45 Lower end opening 50 Holding / releasing means 51 Fixed cylinder 52 Cutting tool (cutting means)
53 Loop penetration string 54 Rubber string 60 Tubular holding cloth (closed umbrella holding cloth)
61 Bag part 62 String (drawn string)
63 Lower end opening A Unmanned airplane (high-speed flying object, falling object)

Claims (6)

閉傘状態の落下傘の周面を覆うことにより該閉傘状態を保持する閉傘保持布と、
上記閉傘保持布による上記落下傘の閉傘状態の保持を許容し、所定時間を経過した後は、上記閉傘保持布による上記落下傘の閉傘状態の保持を解除する保持解放手段と、
を備えることを特徴とする落下傘のリーフィング装置。 A closed umbrella holding cloth for holding the closed state by covering the peripheral surface of the closed umbrella in the closed state;
Holding release means for releasing the holding of the parachute in the closed state by the closed umbrella holding cloth after allowing the holding of the parachute in the closed state by the closed umbrella holding cloth and after a predetermined time has elapsed;
A paraffin leafing device characterized by comprising: 請求項１記載の落下傘のリーフィング装置において、
上記閉傘保持布が、上記落下傘の軸線と略平行な方向に延びる一対の側縁部どうしを結合することにより筒形状をなし、かつ該一対の側縁部どうしが離れることにより展開する展開布からなり、
上記展開布の一対の側縁部どうしを仮止めし、上記保持解放手段の動作に連動して該仮止め状態を解除する仮止め手段を備える落下傘のリーフィング装置。 The paraffin leafing device according to claim 1,
The unfolded umbrella holding cloth forms a cylindrical shape by joining a pair of side edge portions extending in a direction substantially parallel to the axis of the parachute, and the unfolded cloth is unfolded when the pair of side edge portions are separated from each other. Consists of
A paraffin leafing device comprising temporary fixing means for temporarily fixing a pair of side edge portions of the spread cloth and releasing the temporary fixed state in conjunction with the operation of the holding and releasing means. 請求項１または２記載の落下傘のリーフィング装置において、
上記仮止め手段が、上記閉傘保持布の一方の側縁部に並べて穿設した複数の貫通孔と、上記閉傘保持布の他方の側縁部に並べて固定した、対応する各貫通孔を貫通する複数のループと、からなり、
上記各ループは、上記貫通孔を貫通した後に直上のループを通り抜けて下方に延びている落下傘のリーフィング装置。 The paraffin leafing device according to claim 1 or 2,
The temporary fixing means includes a plurality of through-holes drilled side by side on one side edge of the closed umbrella holding cloth, and corresponding through holes fixed side by side on the other side edge of the closed umbrella holding cloth. It consists of multiple loops that penetrate,
Each of the loops passes through the through-hole and passes through the loop immediately above and extends downward. 請求項３記載の落下傘のリーフィング装置において、
上記保持解放手段が、
一端が上記展開布の下端部近傍に止着したゴム紐と、
一端が該ゴム紐を自由状態より伸張させながら該ゴム紐の他端に接続し、かつ緊張状態で最下部に位置する上記ループを通り抜けるループ貫通紐と、
上記展開布の下端部近傍に設けた、上記ループ貫通紐を切断可能な時限式の切断手段と、
を備える落下傘のリーフィング装置。 In the paraffin leafing device according to claim 3,
The holding and releasing means is
A rubber string with one end fastened near the lower end of the unfolded cloth;
A loop penetrating string that connects one end to the other end of the rubber string while stretching the rubber string from a free state, and passes through the loop located at the bottom in a tension state;
A timed cutting means capable of cutting the loop penetrating string provided in the vicinity of the lower end of the spread cloth;
Paraffin leafing device comprising: 請求項２から４のいずれか１項記載の落下傘のリーフィング装置において、
上記展開布が閉傘状態の上記落下傘の周囲を覆う筒形状をなすときに、該展開布の下端開口部を、上記落下傘の下端より小径となるように絞り込んだ状態で該落下傘の下端より下方に位置させた落下傘のリーフィング装置。 The paraffin leafing device according to any one of claims 2 to 4,
When the deployment cloth has a cylindrical shape that covers the periphery of the parachute in the closed state, the lower end opening of the deployment cloth is squeezed so that it has a smaller diameter than the lower end of the parachute and below the lower end of the parachute Paraffin leafing device located in 請求項１記載の落下傘のリーフィング装置において、
上記閉傘保持布が閉傘状態にある上記落下傘より大径で、その下端開口部が上記落下傘の下端より下方に位置し、かつ浮力を生じる抵抗体に接続する筒状保持布であり、
上記保持解放手段が、上記筒状保持布の下端部に設けた、該筒状保持布の下端開口部を該落下傘の下端より小径になるまで絞る絞り紐と、上記筒状保持布の下端部近傍に設けた、上記絞り紐を通しかつ切断可能な時限式の切断手段と、を備える落下傘のリーフィング装置。 The paraffin leafing device according to claim 1,
The closed umbrella holding cloth is a cylindrical holding cloth having a diameter larger than that of the dropping umbrella in the closed state, a lower end opening portion of which is located below the lower end of the dropping umbrella, and connected to a resistor that generates buoyancy,
The holding and releasing means is provided at the lower end portion of the cylindrical holding cloth, and squeezes the lower end opening of the cylindrical holding cloth until the diameter becomes smaller than the lower end of the parachute, and the lower end portion of the cylindrical holding cloth. A paraffin leafing device provided with a time-cutting means provided in the vicinity and capable of cutting and drawing the drawstring.
JP2007153072A 2007-06-08 2007-06-08 Parachute leafing device Expired - Fee Related JP5022113B2 (en)

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JP2011168208A (en) * 2010-02-19 2011-09-01 Fujikura Parachute Co Ltd Parachute
JP2018193055A (en) * 2017-05-16 2018-12-06 日本化薬株式会社 Expand device of parachute or paraglider, and flying object therewith
CN111367215A (en) * 2020-03-20 2020-07-03 四川久安芯电子科技有限公司 Electronic delay controller for opening umbrella
CN112660393A (en) * 2020-12-30 2021-04-16 航宇救生装备有限公司 Self-throwing type parachute canopy binding method
CN112678207A (en) * 2021-01-12 2021-04-20 中国工程物理研究院总体工程研究所 Reentry attitude adjusting device of small aircraft
CN113264193A (en) * 2021-05-18 2021-08-17 沃飞长空科技(成都)有限公司 Parachute assembly, structure and system for unmanned aerial vehicle and control method of parachute assembly, structure and system

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CN103979110A (en) * 2014-05-29 2014-08-13 襄阳宏伟航空器有限责任公司 Ballistic parachute life-saving system

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JP2011168208A (en) * 2010-02-19 2011-09-01 Fujikura Parachute Co Ltd Parachute
JP2018193055A (en) * 2017-05-16 2018-12-06 日本化薬株式会社 Expand device of parachute or paraglider, and flying object therewith
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CN111367215A (en) * 2020-03-20 2020-07-03 四川久安芯电子科技有限公司 Electronic delay controller for opening umbrella
CN112660393A (en) * 2020-12-30 2021-04-16 航宇救生装备有限公司 Self-throwing type parachute canopy binding method
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CN113264193A (en) * 2021-05-18 2021-08-17 沃飞长空科技(成都)有限公司 Parachute assembly, structure and system for unmanned aerial vehicle and control method of parachute assembly, structure and system

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