WO2021073655A1 - 一种航空模型滑翔机 - Google Patents

一种航空模型滑翔机 Download PDF

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Publication number
WO2021073655A1
WO2021073655A1 PCT/CN2020/122479 CN2020122479W WO2021073655A1 WO 2021073655 A1 WO2021073655 A1 WO 2021073655A1 CN 2020122479 W CN2020122479 W CN 2020122479W WO 2021073655 A1 WO2021073655 A1 WO 2021073655A1
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wing
fuselage
glider
aviation
tail
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PCT/CN2020/122479
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English (en)
French (fr)
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杜元源
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深圳市道通智能航空技术股份有限公司
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Publication of WO2021073655A1 publication Critical patent/WO2021073655A1/zh

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    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63H—TOYS, e.g. TOPS, DOLLS, HOOPS OR BUILDING BLOCKS
    • A63H27/00—Toy aircraft; Other flying toys
    • A63H27/02—Model aircraft

Definitions

  • the invention relates to the technical field of aviation model, in particular to an aviation model glider.
  • Air model gliders rely on their own power unit or other aircraft to tow into the air, and then glide unpowered in the air. It is very interesting and informative. It can not only learn a lot of scientific and technological knowledge, but also cultivate both brain and brain skills. The excellent quality of hands-on and courage to overcome difficulties, so there are many enthusiasts, and the aviation model sport is also booming.
  • the object of the present invention is to provide an aeroplane model glider, which has the characteristics of light weight and high structural strength.
  • the present invention adopts the following technical solutions:
  • An aviation model glider includes a fuselage and wings located on both sides of the fuselage, and also includes a tail fin located at the tail of the fuselage in a V shape with an upward opening;
  • the wing and the tail wing are both made of aviation wood, and the joints between the two are covered with carbon sheets.
  • an aviation model glider also includes a carbon tube, one end of the carbon tube is bonded to the fuselage through a circular wooden block, and the other end is connected to the tail wing.
  • the empennage includes two wing surfaces, and the two wing surfaces are arranged at an included angle and symmetrically at one end of the carbon tube.
  • the included angle between the two airfoil surfaces is 100°-120°.
  • ribs are bonded on the airfoil surface, and one end of the ribs away from the airfoil surface is connected to a carbon tube, and the ribs are wrapped by the carbon sheet.
  • an accommodating cavity is provided in the fuselage, and the accommodating cavity is used for placing equipment, and the inner wall of the accommodating cavity is separated from the equipment by 1.8-2.2 mm.
  • the wing includes a rib connected to the fuselage and a number of wing panels inserted on the ribs, and the connection between the ribs and the fuselage Wrapped by the carbon sheet.
  • the wing includes an inner wing and an outer wing, the inner wing is connected to the fuselage, and an end of the inner wing away from the fuselage is connected to the outer wing;
  • the inner wing and the fuselage are arranged perpendicularly, the outer wing and the fuselage are arranged at an included angle, and the included angle between the outer wing and the fuselage on one side of the tail wing is an acute angle;
  • the inner wings are arranged horizontally, the outer wings and the horizontal plane are arranged at an angle, and the outer wings and the horizontal plane are at an acute angle.
  • the outer wing includes a first outer wing and a second outer wing that are connected to each other, the first outer wing is connected to the inner wing, and the second outer wing is connected to the One end of the first outer wing away from the inner wing is connected.
  • the angle between the second outer wing and the fuselage is smaller than the angle between the first outer wing and the fuselage; the angle between the second outer wing and the horizontal plane is smaller than the angle between the second outer wing and the fuselage.
  • the angle is greater than the included angle between the first outer wing and the horizontal plane.
  • the tail wing is set to a V-shape to control the ascent, descent and turning of the glider, replacing the previous horizontal tail and vertical tail, saving materials, and reducing the weight of the glider;
  • the fuselage made of aviation wood is used , Wing and tail, replacing the aluminum-plastic materials commonly used in current aviation models, further reducing the weight of the aviation model glider, which is conducive to the aviation model glider flying for a longer time; set at the junction of the fuselage, wing and tail
  • the carbon sheet coating can strengthen the structural strength of the model aviation glider.
  • the aviation model glider has good structural strength and small weight, and can achieve long-term and high-quality flight.
  • Fig. 1 is a top view of an aviation model glider provided by a specific embodiment of the present invention
  • Fig. 2 is a front view of an aviation model glider provided by a specific embodiment of the present invention.
  • Fig. 3 is a side view of an aeroplane model glider provided by a specific embodiment of the present invention.
  • this embodiment provides an aviation model glider.
  • the aviation model glider includes a fuselage 1, wings 2 located on both sides of the fuselage 1, and a tail 3 located at the tail of the fuselage 1.
  • 3 is in the shape of a V with an upward opening; the fuselage 1, wing 2 and tail 3 are all made of aviation wood, and the joints between the two are covered with carbon sheets.
  • the aircraft model glider in this embodiment sets the tail 3 to a V-shape to control the ascent, descent and turn of the glider, replacing the previous horizontal tail 3 and vertical tail 3, saving materials and reducing the weight of the glider; through the use of aviation wood
  • the finished fuselage 1, wings 2 and tail 3 replace the aluminum-plastic materials commonly used in current aviation models, and further reduce the weight of the aviation model glider, which is conducive to the longer flight time of the aviation model glider; in the fuselage 1,
  • the joints of the wing 2 and the tail 3 are wrapped with carbon sheets, which can strengthen the structural strength of the aviation model glider.
  • the aviation model glider has good structural strength and small weight, and can achieve long-term and high-quality flight.
  • the empennage 3 includes two wing surfaces 31, the two wing surfaces 31 are arranged at an included angle, and the included angle of the two wing surfaces 31 is 100°-120°, which can better realize the ascent of the aviation model glider in the air Descent and turn.
  • the aviation model glider further includes a carbon tube 4, one end of the carbon tube 4 is bonded to the fuselage 1 through a circular wooden block, and the other end is connected to the tail 3.
  • the carbon tube 4 is arranged in a hollow cylindrical shape, which can further reduce the weight of the aviation model glider.
  • the outer diameter of the hollow cylindrical carbon tube 4 is 6 mm
  • the inner diameter is 4 mm
  • the length is 498 mm.
  • connection between the carbon tube 4 and the fuselage 1 adopts circular wooden block bonding.
  • the connection between the carbon tube 4 and the fuselage 1 is realized by using 12 circular wooden blocks bonded to each other to ensure the carbon tube 4 and the fuselage 1.
  • the 12 circular wooden blocks are all set with a hollow structure. More specifically, when bonding two adjacent circular wooden blocks, it is necessary to avoid facing the hollow structure, so that the hollow structures of the 12 circular wooden blocks after bonding are randomly distributed. The above arrangement can ensure the aviation model glider The weight distribution is more uniform, which is conducive to more stable flight of the aviation model glider in the air.
  • the carbon tube 4 and the tail wing 3 are connected by rib bonding.
  • One end of the rib is bonded to the wing surface 31 and the other end is bonded to the carbon tube 4, and the rib is wrapped by a carbon sheet.
  • the ribs are triangular and have a larger contact area, which makes the bonding stronger.
  • the use of ribs can enhance the strength of the connection between the wing surface 31 and the carbon tube 4, and further enhance the overall structural strength of the model aviation model glider.
  • the accommodating cavity 11 of the fuselage 1 is used to place equipment.
  • the aircraft model glider needs to be placed in the accommodating cavity 11, including power systems, batteries, receivers and other equipment. It is a remote control model for domestic P5B competitions.
  • the equipment of the glider can use DoubleSky XM2830EA motor, ESC selects SKYwarker 40A, CAM 10*6 folding propeller, TELESKY SG90 9G steering gear, R&F battery 1300mAH/70C, and R&D R9DS receiver.
  • the above equipment are all existing products. The connection method and usage method will not be repeated here.
  • the accommodating cavity 11 of the fuselage 1 has a length of 319mm, a height of 40mm, a width of 25.04mm on the side close to the nose, and a side close to the tail 3 The width is 45mm.
  • the wing 2 of the aviation model glider adopts a segmented beam-rib structure, that is, the wing 2 includes a wing rib and a wing plate inserted on the wing rib.
  • the dimensions of the wing plate of the wing 2 are not exactly the same.
  • the aviation model glider provides lift, which is beneficial to enhance the structural strength of the aviation model glider and ensure a better flight condition.
  • the wing 2 adopts ultra-thin skin to process the coated skin to ensure the beauty of the aviation model glider.
  • the wing 2 includes an inner wing 21 connected to the fuselage 1 and an end away from the fuselage 1 and an outer wing 22 connected to the inner wing 21.
  • the outer wing 22 includes a first outer wing 221 and a second outer wing connected to each other. Wing 222, the first outer wing 221 is connected to the inner wing 21, and the second outer wing 222 is connected to the end of the first outer wing 221 away from the inner wing 21.
  • the inner wing 21 is arranged perpendicular to the fuselage 1, the outer wing 22 and the fuselage 1 are arranged at an angle, and the angle between the outer wing 22 and the fuselage 1 on the side of the tail 3 is an acute angle; further, the second outer wing The included angle between 222 and the fuselage 1 is smaller than the included angle between the first outer wing 221 and the fuselage 1.
  • the inner wing 21 is arranged horizontally, the outer wing 22 is arranged at an included angle with the horizontal plane, and the included angle between the outer wing 22 and the horizontal plane is an acute angle; further, the included angle between the second outer wing 222 and the horizontal plane is greater than the first outer wing 221 and the horizontal plane. ⁇ The included angle.
  • the arrangement of the above-mentioned wing 2 is conducive to keeping the model aviation glider in a better flight state, and makes the appearance of the model aviation glider more beautiful.
  • the ribs of the inner wing 21 are 135mm long and 16.07mm wide, a total of 18; the longest ribs of the outer wing 22 of the fuselage 1 are 94.25mm, and the widest is 15.5mm, and they are along the fuselage.
  • the minimum length is 63.72mm, the width is 12.35mm, a total of 12 pieces, it is worth noting that the reduction ratio of the outer wing 22 from the inside to the outside along the fuselage 1 can be based on the aviation model The relevant parameters of the glider are calculated, and the specific calculation method is based on the prior art, which will not be repeated here.
  • the wing plate on the inner wing 21 rib is a square carbon-coated pine strip with a length of 3 mm, a width of 3 mm and a height of 350 mm
  • the wing plate on the outer wing 22 rib is a square carbon-coated pine strip with a length of 3 mm, a width of 3 mm and a height of 250.95 mm.

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  • Toys (AREA)

Abstract

一种航空模型滑翔机，包括机身(1)和位于机身(1)两侧的机翼(2)，还包括位于机身(1)尾部的尾翼(3)，尾翼(3)呈开口向上的V字型；机身(1)、机翼(2)和尾翼(3)均由航空木材制成，且两两之间的连接处均有碳片包裹。将尾翼(3)设置为V型来控制滑翔机的上升下降及转弯，节省了材料，减轻了滑翔机的重量；通过使用航空木材制成的机身(1)、机翼(2)和尾翼(3)，进一步减轻了航空模型滑翔机的重量，有利于航空模型滑翔机能飞行更长的时间；在机身(1)、机翼(2)和尾翼(3)的连接处设置碳片包裹，能加强航空模型滑翔机的结构强度。总体上使航空模型滑翔机具有良好的结构强度和较小的重量，实现较长时间和较高质量的飞行。

Description

一种航空模型滑翔机 技术领域
本发明涉及航空模型技术领域，尤其涉及一种航空模型滑翔机。
背景技术
航空模型滑翔机，依靠自身动力装置或其他飞机牵引至空中后，然后在空中进行无动力滑翔，具有很强的趣味性和知识性，不仅能学到许多科技知识,还能培养既善于动脑又善于动手和克服困难勇于进取的优秀品质,因此具有许多爱好者，航空模型运动也蓬勃发展。
航空模型运动中针对航空模型滑翔机重量以及结构强度有很高的要求。目前，航空模型多采用铝塑材料制成，通过水平尾翼和垂直尾翼实现滑翔机的上升下降及转弯，铝塑材料和水平尾翼、垂直尾翼的设置都会加大航空模型滑翔机的重量；另外航空模型滑翔机在空中找风向、逆风飞行以获得更久的留空时间过程中，还存在因为强度不够，航空模型滑翔机断裂和损坏等问题。
发明内容
基于以上所述，本发明的目的在于提供一种航空模型滑翔机，具有重量轻，结构强度高的特点。
为达上述目的，本发明采用以下技术方案：
一种航空模型滑翔机，包括机身和位于所述机身两侧的机翼，还包括尾翼，所述尾翼位于所述机身的尾部，呈开口向上的V字型；所述机身、所述机翼和所述尾翼均由航空木材制成，且两两之间的连接处均有碳片包裹。
作为一种航空模型滑翔机的优选方案，还包括碳管，所述碳管的一端通过圆形木块与所述机身粘接，另一端与所述尾翼连接。
作为一种航空模型滑翔机的优选方案，所述尾翼包括两个翼面，两个所述翼面呈夹角且对称设置在所述碳管的一端。
作为一种航空模型滑翔机的优选方案，两个所述翼面的夹角为100°-120°。
作为一种航空模型滑翔机的优选方案，所述翼面上粘接有肋条，所述肋条远离所述翼面的一端与碳管连接，所述肋条被所述碳片包裹。
作为一种航空模型滑翔机的优选方案，所述机身内设置有容置腔，所述容置腔用于放置器材，且所述容置腔的内壁与所述器材间隔1.8-2.2mm。
作为一种航空模型滑翔机的优选方案，所述机翼包括与所述机身连接的翼肋和插接在所述翼肋上的若干翼板，所述翼肋和所述机身的连接处被所述碳片包裹。
作为一种航空模型滑翔机的优选方案，所述机翼包括内翼和外翼，所述内翼与所述机身连接，所述内翼远离所述机身的一端与所述外翼连接；所述内翼与所述机身垂直设置，所述外翼与所述机身呈夹角设置，且所述外翼与所述尾翼一侧的所述机身之间的夹角为锐角；所述内翼呈水平设置，所述外翼与水平面呈夹角设置，且所述外翼与水平面的夹角为锐角。
作为一种航空模型滑翔机的优选方案，所述外翼包括相互连接的第一外翼和第二外翼，所述第一外翼与所述内翼连接，所述第二外翼与所述第一外翼远离所述内翼的一端连接。
作为一种航空模型滑翔机的优选方案，所述第二外翼与所述机身的夹角小于所述第一外翼与所述机身的夹角；所述第二外翼与水平面的夹角大于所述第一外翼与水平面的夹角。
本发明的有益效果为：将尾翼设置为V型来控制滑翔机的上升下降及转弯， 取代之前的水平尾翼和垂直尾翼，节省了材料，减轻了滑翔机的重量；通过使用航空木材制成的机身、机翼和尾翼，替代目前航空模型中常使用的铝塑材料，进一步减轻了航空模型滑翔机的重量，有利于航空模型滑翔机能飞行更长的时间；在机身、机翼和尾翼的连接处设置碳片包裹，能加强航空模型滑翔机的结构强度。总体上航空模型滑翔机具有良好的结构强度和较小的重量，能实现较长时间和较高质量的飞行。
附图说明
为了更清楚地说明本发明实施例中的技术方案，下面将对本发明实施例描述中所需要使用的附图作简单的介绍，显而易见地，下面描述中的附图仅仅是本发明的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据本发明实施例的内容和这些附图获得其他的附图。
图1是本发明具体实施方式提供的航空模型滑翔机的俯视图；
图2是本发明具体实施方式提供的航空模型滑翔机的主视图；
图3是本发明具体实施方式提供的航空模型滑翔机的侧视图。
图中：
1-机身；11-容置腔；
2-机翼；21-内翼；22-外翼；221-第一外翼；222-第二外翼；
3-尾翼；31-翼面；
4-碳管。
具体实施方式
为使本发明解决的技术问题、采用的技术方案和达到的技术效果更加清楚，下面将结合附图对本发明实施例的技术方案作进一步的详细描述，显然，所描述的实施例仅仅是本发明一部分实施例，而不是全部的实施例。基于本发明中 的实施例，本领域技术人员在没有作出创造性劳动前提下所获得的所有其他实施例，都属于本发明保护的范围。
如图1-图3所示，本实施方式提供一种航空模型滑翔机，该航空模型滑翔机包括机身1、位于机身1两侧的机翼2和位于机身1尾部的尾翼3，且尾翼3呈开口向上的V字型；其中机身1、机翼2和尾翼3均由航空木材制成，且两两之间的连接处均有碳片包裹。
本实施例中的航空模型滑翔机将尾翼3设置为V型来控制滑翔机的上升下降及转弯，取代之前的水平尾翼3和垂直尾翼3，节省了材料，减轻了滑翔机的重量；通过使用航空木材制成的机身1、机翼2和尾翼3，替代目前航空模型中常使用的铝塑材料，进一步减轻了航空模型滑翔机的重量，有利于航空模型滑翔机能飞行更长的时间；在机身1、机翼2和尾翼3的连接处设置碳片包裹，能加强航空模型滑翔机的结构强度。总体上航空模型滑翔机具有良好的结构强度和较小的重量，能实现较长时间和较高质量的飞行。
具体地，尾翼3包括两个翼面31，两个翼面31呈夹角设置，且两个翼面31的夹角为100°-120°，能较好地实现航空模型滑翔机在空中的上升下降及转弯。
为实现航空模型滑翔机的机身1和尾翼3的连接，航空模型滑翔机还包括碳管4，碳管4的一端通过圆形木块与机身1粘接，另一端与尾翼3连接。碳管4设置为中空圆柱形，能进一步减轻航空模型滑翔机的重量。在本实施例中，中空圆柱形的碳管4的外径为6mm，内径为4mm，长为498mm。
碳管4与机身1之间的连接采用圆形木块粘接，具体地，采用相互粘接的12个圆形木块实现碳管4与机身1之间的连接，保证了碳管4和机身1之间较好的连接强度。在保证连接强度的同时，为减轻航空模型滑翔机的重量，12个 圆形木块上均设置为镂空结构。进一步具体地，相邻两个圆形木块在粘接时，需要避免将镂空结构正对，进而使粘接后的12个圆形木块的镂空结构随机分布，上述设置能保证航空模型滑翔机的重量分布更加均匀，有利于航空模型滑翔机在空中的飞行更加稳定。
碳管4和尾翼3的连接采用肋条粘接，肋条的一端粘接在翼面31上，另一端粘接在碳管4上，且肋条被碳片包裹。具体地，肋条设置有4根，且肋条设置为三角形具有更大的接触面积，使粘接更加牢固。肋条的使用能加强翼面31与碳管4连接处的强度，进一步使航空模型滑翔机的整体结构强度更好。
机身1的容置腔11用于放置器材，在本实施例中的航空模型滑翔机需要在容置腔11内放置的器材包括动力系统、电池、接收机等设备，参加国内P5B比赛用遥控模型滑翔机的器材可以选用双天XM2830EA电机、电调选用SKYwarker 40A、CAM 10*6折叠桨、TELESKY SG90 9G舵机、富力电池1300mAH/70C、乐迪R9DS接收机，上述器材均为现有产品，具体连接方式和使用方法在此不做赘述。
为了避免容置腔11的内部太过紧凑使机身1承受不必要的应力；又避免了太过松散，飞机姿态的变化使里面的器材在容置腔11内晃动，对机身1造成冲击，在足够放下必须置于容置腔11内部的器材的同时，将容置腔11与器材之间留有1.8mm-2.2mm的余量，于本实施例中，航空模型滑翔机的容置腔11的与器材之间留有2mm的余量，具体地，机身1的容置腔11的长为319mm，高为40mm，靠近机头一侧的宽为25.04mm，靠近尾翼3一侧的宽为45mm。
航空模型滑翔机的机翼2采用分段式梁肋结构，即机翼2包括翼肋和插接在翼肋上的翼板，机翼2各处的翼板尺寸不完全相同，能有效地为航空模型滑翔机提供升力，有利于增强航空模型滑翔机的结构强度和保证较好的飞行状态。另外，机翼2采用超薄蒙皮进行加工覆膜蒙皮，保证航空模型滑翔机的美观。
具体地，机翼2包括与机身1连接的内翼21和远离机身1的一端且与内翼21连接外翼22，外翼22又包括相互连接的第一外翼221和第二外翼222，第一外翼221与内翼21连接，第二外翼222与第一外翼221远离内翼21的一端连接。
内翼21与机身1垂直设置，外翼22与机身1呈夹角设置，且外翼22与尾翼3一侧的机身1之间的夹角为锐角；进一步地，第二外翼222与机身1的夹角小于第一外翼221与机身1的夹角。内翼21呈水平设置，外翼22与水平面呈夹角设置，且外翼22与水平面的夹角为锐角；进一步地，第二外翼222与水平面的夹角大于第一外翼221与水平面的夹角。上述机翼2的设置有利于使航空模型滑翔机保持较好的飞行状态，且使航空模型滑翔机的外观更加美观。
于本实施例中，内翼21的翼肋长为135mm，宽为16.07mm，共计18根；机身1外翼22的翼肋最长为94.25mm，最宽为15.5mm，且沿机身1向由内向外，按照一定比例缩小，最小至长为63.72mm，宽为12.35mm，共12根，值得说明说明的是，外翼22沿机身1由内向外的缩小比例可以根据航空模型滑翔机的相关参数进行计算，具体计算方式为现有技术，在此不做赘述。内翼21翼肋上的翼板为长3mm宽3mm高350mm的方形包碳松木条，外翼22翼肋上的翼板为长3mm宽3mm高250.95mm的方形包碳松木条。
注意，上述仅为本发明的较佳实施例及所运用技术原理。本领域技术人员会理解，本发明不限于这里所述的特定实施例，对本领域技术人员来说能够进行各种明显的变化、重新调整和替代而不会脱离本发明的保护范围。因此，虽然通过以上实施例对本发明进行了较为详细的说明，但是本发明不仅仅限于以上实施例，在不脱离本发明构思的情况下，还可以包括更多其他等效实施例，而本发明的范围由所附的权利要求范围决定。

Claims (10)

  1. 一种航空模型滑翔机，包括机身(1)和位于所述机身(1)两侧的机翼(2)，其特征在于，还包括尾翼(3)，所述尾翼(3)位于所述机身(1)的尾部，呈开口向上的V字型；
    所述机身(1)、所述机翼(2)和所述尾翼(3)均由航空木材制成，且两两之间的连接处均有碳片包裹。
  2. 根据权利要求1所述的航空模型滑翔机，其特征在于，还包括碳管(4)，所述碳管(4)的一端通过圆形木块与所述机身(1)粘接，另一端与所述尾翼(3)连接。
  3. 根据权利要求2所述的航空模型滑翔机，其特征在于，所述尾翼(3)包括两个翼面(31)，两个所述翼面(31)呈夹角且对称设置在所述碳管(4)的一端。
  4. 根据权利要求3所述的航空模型滑翔机，其特征在于，两个所述翼面(31)的夹角为100°-120°。
  5. 根据权利要求3所述的航空模型滑翔机，其特征在于，所述翼面(31)上粘接有肋条，所述肋条远离所述翼面(31)的一端与碳管(4)连接，所述肋条被所述碳片包裹。
  6. 根据权利要求1所述的航空模型滑翔机，其特征在于，所述机身(1)内设置有容置腔(11)，所述容置腔(11)用于放置器材，且所述容置腔(11)的内壁与所述器材间隔1.8-2.2mm。
  7. 根据权利要求1所述的航空模型滑翔机，其特征在于，所述机翼(2)包括与所述机身(1)连接的翼肋和插接在所述翼肋上的若干翼板，所述翼肋和所述机身(1)的连接处被所述碳片包裹。
  8. 根据权利要求1所述的航空模型滑翔机，其特征在于，所述机翼(2)包括内翼(21)和外翼(22)，所述内翼(21)与所述机身(1)连接，所述内翼(21)远离所述机身(1)的一端与所述外翼(22)连接；
    所述内翼(21)与所述机身(1)垂直设置，所述外翼(22)与所述机身(1)呈夹角设置，且所述外翼(22)与所述尾翼(3)一侧的所述机身(1)之间的夹角为锐角；
    所述内翼(21)呈水平设置，所述外翼(22)与水平面呈夹角设置，且所述外翼(22)与水平面的夹角为锐角。
  9. 根据权利要求8所述的航空模型滑翔机，其特征在于，所述外翼(22)包括相互连接的第一外翼(221)和第二外翼(222)，所述第一外翼(221)与所述内翼(21)连接，所述第二外翼(222)与所述第一外翼(221)远离所述内翼(21)的一端连接。
  10. 根据权利要求9所述的航空模型滑翔机，其特征在于，所述第二外翼(222)与所述机身(1)的夹角小于所述第一外翼(221)与所述机身(1)的夹角；所述第二外翼(222)与水平面的夹角大于所述第一外翼(221)与水平面的夹角。
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