WO2014208682A1 - Hélicoptère télécommandé - Google Patents

Hélicoptère télécommandé Download PDF

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Publication number
WO2014208682A1
WO2014208682A1 PCT/JP2014/067031 JP2014067031W WO2014208682A1 WO 2014208682 A1 WO2014208682 A1 WO 2014208682A1 JP 2014067031 W JP2014067031 W JP 2014067031W WO 2014208682 A1 WO2014208682 A1 WO 2014208682A1
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WO
WIPO (PCT)
Prior art keywords
frame
members
main body
frames
electrical box
Prior art date
Application number
PCT/JP2014/067031
Other languages
English (en)
Japanese (ja)
Inventor
正典 吉原
義貴 長崎
Original Assignee
ヤマハ発動機株式会社
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by ヤマハ発動機株式会社 filed Critical ヤマハ発動機株式会社
Priority to CN201480034934.5A priority Critical patent/CN105324304B/zh
Priority to KR1020157035802A priority patent/KR101636800B1/ko
Publication of WO2014208682A1 publication Critical patent/WO2014208682A1/fr

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64U—UNMANNED AERIAL VEHICLES [UAV]; EQUIPMENT THEREFOR
    • B64U10/00—Type of UAV
    • B64U10/10—Rotorcrafts
    • B64U10/17—Helicopters
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64U—UNMANNED AERIAL VEHICLES [UAV]; EQUIPMENT THEREFOR
    • B64U20/00—Constructional aspects of UAVs
    • B64U20/70—Constructional aspects of the UAV body
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64U—UNMANNED AERIAL VEHICLES [UAV]; EQUIPMENT THEREFOR
    • B64U20/00—Constructional aspects of UAVs
    • B64U20/80—Arrangement of on-board electronics, e.g. avionics systems or wiring

Definitions

  • This invention relates to an unmanned helicopter, and more particularly to an unmanned helicopter equipped with an electrical box.
  • Patent Document 1 An example of this type of prior art is disclosed in Patent Document 1.
  • the unmanned helicopter disclosed in Patent Document 1 includes a front body (main body) that supports an engine and a tail body that extends rearward from the rear end portion of the front body, and the electrical box is provided in the frame of the front body. It has been. The electrical box is inserted into and removed from the front body from the rear or side of the frame.
  • a main object of the present invention is to provide an unmanned helicopter in which the electrical box can be easily attached to and detached from the main body.
  • the main body includes a main body that supports a drive source, a tail body that extends rearward from a rear end portion of the main body, and an electrical equipment box that is supported by the main body.
  • a main body that supports a drive source
  • a tail body that extends rearward from a rear end portion of the main body
  • an electrical equipment box that is supported by the main body.
  • the plurality of first connecting members are provided with unmanned helicopters that support the electrical box from below so as to be immovable in the front-rear direction.
  • the first connecting member is used for both the connection of the frame and the support of the electrical box, it is not necessary to separately prepare a member for supporting the electrical box, and the number of parts can be reduced. Further, when the first connecting member is removed from the frame, the support of the electrical box by the removed first connecting member is released, so that the electrical box can be easily taken out from the main body. Further, the electrical box can be easily mounted at a predetermined position of the main body from below with the first connecting member removed from the frame. In this way, the electrical box can be easily attached to and detached from the main body.
  • At least one of the front end portion and the rear end portion on the upper surface of the electrical box is formed in a chamfered shape.
  • the end portion formed to be chamfered (rounded) of the electrical equipment box is positioned between the pair of frames.
  • the electrical box is rotated and removed downward from between the pair of frames.
  • the end portion formed in a chamfered shape of the electrical box does not contact the main body, or can slide on the main body even when contacting the main body. Therefore, the electrical box can be easily taken out between the pair of frames without being interfered by the main body.
  • the end of the electrical box is chamfered and inserted between the pair of frames. Rotate in the direction and positioned between a pair of frames. At this time, the end portion formed in a chamfered shape of the electrical box does not contact the main body, or can slide on the main body even when contacting the main body. Therefore, the electrical box can be easily attached to the main body so as to be positioned between the pair of frames without being interfered by the main body.
  • the main body further includes a plurality of second connecting members that are provided above the plurality of first connecting members and connect the pair of frames, and the plurality of second connecting members front and rear the electrical box. Support from above so that it cannot move in the direction.
  • the plurality of first connecting members support the electrical box from below so as not to be movable in the front-rear direction
  • the plurality of second connecting members support the electrical box from above so as not to be movable in the front-rear direction. Can be more reliably supported so as not to move in the front-rear direction.
  • the movement of the electrical equipment box in the vertical direction can be prevented as a result of such first and second connecting members.
  • the main body further includes a pair of reinforcing members provided on the outside of the pair of frames, and the one reinforcing member sandwiches one frame between one end portions of the first connecting member and the second connecting member.
  • the other reinforcing member connects the other end portions of the first connecting member and the second connecting member with the other frame interposed therebetween.
  • each of the first connecting member and the second connecting member is connected to the frame at a plurality of locations.
  • the first connecting member and the second connecting member are each firmly connected to the frame by being connected to the frame at a plurality of locations.
  • the electrical box has a protrusion on its upper surface
  • the main body further includes a pressing member that connects the plurality of second connecting members, and the pressing member has a hole into which the protruding portion fits.
  • the pair of frames includes a plate-like member.
  • the strength of the frame can be increased and the electrical box can be more reliably protected from the side.
  • FIG. 4 is a sectional view taken along line XX in FIG. 3.
  • FIG. 4 is a sectional view taken along line YY in FIG. 3.
  • A) And (b) is an illustration figure for demonstrating attachment / detachment of the electrical equipment box with respect to a main body.
  • A) And (b) is an illustration figure for demonstrating attachment / detachment of the electrical equipment box with respect to a main body.
  • front, rear, left, and right are based on the basic attitude of the unmanned helicopter 10 (hereinafter abbreviated as helicopter 10) (the attitude of the helicopter 10 when the mast 14 is parallel to the vertical direction). Means front and rear, left and right, up and down.
  • helicopter 10 unmanned helicopter 10
  • “Fr” indicates the front
  • “Rr” indicates the rear
  • “R” indicates the right
  • L indicates the left
  • U indicates the upper
  • “Lo” Indicates the lower part.
  • helicopter 10 includes a main body 12, a mast 14, a main rotor 16, a tail body 18, and a tail rotor 20.
  • the main body 12 includes a main frame 22, a body cover 24, leg portions 26 and 28, a pair of skids 30 (only the left skid 30 is shown in FIG. 1), and an under cover 32.
  • the tail body 18 and the body cover 24 are supported by the main frame 22.
  • the leg portions 26 and 28 are each formed in an inverted U shape when viewed from the front, and are supported by the main frame 22.
  • the pair of skids 30 are attached to the legs 26 and 28 so as to be lined up on the left and right. Specifically, the skid 30 on one side (left side) is attached to the one side (left side) portion of the legs 26 and 28, and the skid 30 (not shown) on the other side (right side) is attached to the leg portion 26. , 28 on the other side (right side).
  • the under cover 32 is attached to the tail body 18 and the main frame 22.
  • the mast 14 is provided so as to protrude upward from the body cover 24 and to be rotatable.
  • a main rotor 16 is fixed to the upper end portion of the mast 14. Thereby, the mast 14 and the main rotor 16 rotate integrally.
  • the tail body 18 has a substantially cylindrical shape and extends rearward from the main body 12. The front end portion of the tail body 18 is supported by the rear end portion of the main frame 22 in the body cover 24.
  • the tail rotor 20 is rotatably provided at the rear end portion of the tail body 18.
  • the helicopter 10 further includes a display device 34, a drive source 36, a transmission 38, a fuel tank 40, a drive shaft 42, and an electrical box 44.
  • the drive source 36, the transmission 38 and the fuel tank 40 are accommodated in the body cover 24.
  • the display device 34 is held by the under cover 32.
  • the drive source 36 is supported by the front end portion of the main frame 22 below the main rotor 16.
  • an engine is used as the drive source 36. More specifically, for example, a horizontally opposed multi-cylinder engine is used as the drive source 36.
  • the transmission 38 is supported by the main frame 22 behind the drive source 36.
  • the transmission 38 is connected to a crankshaft (not shown) of the drive source 36.
  • a lower end portion of the mast 14 is connected to the transmission 38.
  • the main rotor 16 rotates based on the driving force transmitted from the driving source 36 via the transmission 38 and the mast 14.
  • a drive shaft 42 is provided so as to extend rearward from the transmission 38.
  • the drive shaft 42 extends in the front-rear direction in the main body 12 and the tail body 18.
  • the tail rotor 20 is connected to the rear end portion of the drive shaft 42. The tail rotor 20 rotates based on the driving force transmitted from the driving source 36 via the transmission 38 and the drive shaft 42.
  • a fuel tank 40 is provided behind the mast 14. The upper end portion of the fuel tank 40 is exposed upward from the main body 12.
  • An electrical box 44 is provided in the main frame 22. Details of the electrical box 44 will be described later.
  • the main frame 22 includes a pair of plate-like frames 46 and 48.
  • the pair of frames 46 and 48 are arranged in parallel with a space in the left-right direction and extend in the front-rear direction.
  • Each of the pair of frames 46 and 48 is formed in a substantially inverted trapezoidal shape.
  • each of the pair of frames 46 and 48 is formed with a thicker edge than the central portion over the entire circumference.
  • the pair of frames 46 and 48 are made of, for example, carbon fiber reinforced plastic (CFRP).
  • upper edge portion 46a and lower edge portion 46b are provided in parallel to each other, and upper edge portion 46a is formed longer than lower edge portion 46b.
  • the front end portions of the upper edge portion 46a and the lower edge portion 46b are connected by a front edge portion 46c extending in the vertical direction, and the rear end portions of the upper edge portion 46a and the lower edge portion 46b are connected by a rear edge portion 46d.
  • the rear edge 46d extends rearward and obliquely upward from the lower edge 46b toward the upper edge 46a.
  • the frame 46 includes attachment portions 46e and 46f.
  • the attachment portion 46e is formed to extend in the vertical direction at a position closer to the front from the center portion in the front-rear direction of the frame 46.
  • the connecting members 64 and 66, the reinforcing member 68, and the brace 104 are attached to the attachment portion 46e or the vicinity thereof.
  • the attachment portion 46f is formed to extend in the vertical direction from the vicinity of the rear end portion of the lower edge portion 46b.
  • Connection members 76 and 78 and a reinforcing member 80 are attached to the attachment portion 46f.
  • plate-like members 50a, 50b and 50c made of, for example, aluminum and extending in the vertical direction are formed on the inner surfaces of front edge portion 46c, attachment portion 46e and attachment portion 46f, respectively. .
  • a front panel 54 (described later) is attached to the plate-like member 50a, connecting members 64 and 66 are attached to the plate-like member 50b, and connecting members 76 and 78 are attached to the plate-like member 50c. Further, the upper edge portion 46a, the lower edge portion 46b, the front edge portion 46c, the rear edge portion 46d, the attachment portion 46e, and the attachment portion 46f of the frame 46 are formed thick. By forming the plate-like members 50a, 50b and 50c and forming the entire periphery of the frame 46 and the attachment portions 46e and 46f on which the plate-like members 50b and 50c are formed thickly, the frame 46 has high strength. The required part can be formed thick.
  • the upper edge portion 46a, the lower edge portion 46b, the front edge portion 46c, and the rear edge portion 46d are formed thicker than the attachment portion 46e and the attachment portion 46f. Further, in the frame 46, the thickness of portions other than the upper edge portion 46a, the lower edge portion 46b, the front edge portion 46c, the rear edge portion 46d, the attachment portion 46e, and the attachment portion 46f, that is, places where high strength is not required is reduced. Thus, the frame 46 can be lightened.
  • upper edge portion 48a and lower edge portion 48b are provided in parallel to each other, and upper edge portion 48a is formed longer than lower edge portion 48b.
  • the front end portions of the upper edge portion 48a and the lower edge portion 48b are connected by a front edge portion 48c extending in the vertical direction, and the rear end portions of the upper edge portion 48a and the lower edge portion 48b are connected by a rear edge portion 48d.
  • the rear edge 48d extends rearward and obliquely upward from the lower edge 48b toward the upper edge 48a.
  • the frame 48 includes mounting portions 48e and 48f.
  • the attachment portion 48e is formed to extend in the vertical direction at a position closer to the front from the center portion in the front-rear direction of the frame 48.
  • Connecting members 64 and 66, a reinforcing member 70 (described later) and a brace 106 (described later) are attached to the attachment portion 48e or the vicinity thereof.
  • the attachment portion 48f is formed to extend in the vertical direction from the vicinity of the rear end portion of the lower edge portion 48b.
  • Connecting members 76 and 78 and a reinforcing member 82 are attached to the attachment portion 48f. Referring to FIG.
  • plate-like members 52a, 52b and 52c made of, for example, aluminum and extending in the vertical direction are formed on the inner surfaces of front edge portion 48c, attachment portion 48e and attachment portion 48f, respectively.
  • the front panel 54 is attached to the plate-like member 52a
  • the connecting members 64 and 66 are attached to the plate-like member 52b
  • the connecting members 76 and 78 are attached to the plate-like member 52c.
  • the upper edge portion 48a, the lower edge portion 48b, the front edge portion 48c, the rear edge portion 48d, the attachment portion 48e, and the attachment portion 48f of the frame 48 are formed thick.
  • the frame 48 has high strength.
  • the required part can be formed thick.
  • the upper edge portion 48a, the lower edge portion 48b, the front edge portion 48c, and the rear edge portion 48d are formed thicker than the attachment portion 48e and the attachment portion 48f.
  • the thickness of portions other than the upper edge portion 48a, the lower edge portion 48b, the front edge portion 48c, the rear edge portion 48d, the attachment portion 48e, and the attachment portion 48f, that is, places where high strength is not required is reduced.
  • the frame 48 can be lightened.
  • FIG. 7 and FIG. 8 the illustration of fastening members and the like is omitted in order to prevent complication of the drawings.
  • the front edge 46c of the frame 46 and the front edge 48c of the frame 48 are connected via a substantially rectangular plate-like front panel 54.
  • the front panel 54 is disposed between the pair of frames 46 and 48 so as to contact the plate-like members 50a and 52a.
  • rod-shaped reinforcing members 56 and 58 extending in the vertical direction and having hollow portions, for example, are disposed on the outer surface of the front edge portion 46c of the frame 46 and the outer surface of the front edge portion 48c of the frame 48, respectively.
  • the reinforcing members 56 and 58 are provided so as to be parallel to each other and face in the left-right direction. Referring to FIG.
  • the reinforcing member 56 and the left end portion of the front panel 54 are a plurality of (two in this embodiment) fastening members 60 a, such as bolts, with the frame 46 and the plate-like member 50 a sandwiched therebetween. Connected by 60b.
  • the fastening members 60a and 60b are attached to the upper and lower portions of the front edge portion 46c of the frame 46, respectively.
  • the reinforcing member 58 and the right end portion of the front panel 54 are fastened with a plurality of (two in this embodiment) bolts or the like with the frame 48 and the plate-like member 52 a interposed therebetween.
  • the members 62a and 62b are connected.
  • the fastening members 62a and 62b are attached to the upper part and the lower part of the front edge part 48c of the frame 48, respectively.
  • connection members 64 and 66 are connected via connection members 64 and 66.
  • the connecting members 64 and 66 are provided so as to be parallel to each other and aligned in the vertical direction.
  • the connecting member 64 is formed in a rod shape and has protrusions 64a and 64b at both ends thereof. As a result, both end portions of the connecting member 64 are thickened, and a plurality of fastening members 72a, 72b, 74a, and 74b (described later) such as bolts can be received.
  • the connecting member 64 is disposed between the pair of frames 46 and 48 so that the lower end portion of the plate-like member 50b and the lower end portion of the plate-like member 52b are in contact with each other and the protrusions 64a and 64b are positioned on the upper side.
  • the connecting member 66 is formed in a rod shape and has bulging portions 66a and 66b at both ends thereof. As a result, both end portions of the connecting member 66 are thickened and can receive fastening members 72c, 72d, 72e, 72f, 74c, 74d, 74e and 74f (described later) such as a plurality of bolts.
  • the connecting member 66 is disposed between the pair of frames 46 and 48 so that the upper end portion of the plate-like member 50b and the upper end portion of the plate-like member 52b are in contact with each other and the bulging portions 66a and 66b are positioned on the front and rear sides and the lower side. Is done.
  • Rod-shaped reinforcing members 68 and 70 extending in the vertical direction and having, for example, hollow portions are disposed on the outer surface of the mounting portion 46e of the frame 46 and the outer surface of the mounting portion 48e of the frame 48, respectively.
  • the reinforcing members 68 and 70 are provided so as to be parallel to each other and opposed in the left-right direction. Referring to FIG.
  • a plurality of (two in this embodiment) fastening members 72 a and 72 b are provided between the lower portion of the reinforcing member 68 and the left end portion of the connecting member 64 with the frame 46 and the plate-like member 50 b interposed therebetween.
  • the upper end portion of the reinforcing member 68 and the left end portion of the connecting member 66 are connected by a plurality (two in this embodiment) of fastening members 72c and 72d with the frame 46 and the plate-like member 50b interposed therebetween.
  • the frame 46 and the bulging portion 66a are connected by a fastening member 72e, and the brace 104, the frame 46, and the bulging portion 66a are connected by a fastening member 72f.
  • a plurality of (two in this embodiment) fastening members are provided between the lower portion of the reinforcing member 70 and the right end portion of the connecting member 64 with the frame 48 and the plate-like member 52 b interposed therebetween. It is connected by 74a, 74b.
  • the upper end portion of the reinforcing member 70 and the right end portion of the connecting member 66 are connected by a plurality of (two in this embodiment) fastening members 74c and 74d with the frame 48 and the plate-like member 52b interposed therebetween.
  • the frame 48 and the bulging portion 66b are connected by a fastening member 74e, and the brace 106, the frame 48, and the bulging portion 66b are connected by a fastening member 74f.
  • the reinforcing member 68 connects one end portions of the connecting members 64 and 66 corresponding to each other with the frame 46 interposed therebetween, and the reinforcing member 70 sets the other end portions of the connecting members 64 and 66 corresponding to each other to the frame. 48 and connect.
  • the attachment portion 46 f of the frame 46 and the attachment portion 48 f of the frame 48 are connected via connecting members 76 and 78.
  • the connecting members 76 and 78 are provided in parallel to each other and vertically arranged.
  • the connecting member 76 is formed in a rod shape and has protrusions 76a and 76b at both ends thereof. As a result, both end portions of the connecting member 76 are thickened, and a plurality of fastening members 84a, 84b, 86a, and 86b (described later) such as a plurality of bolts can be received.
  • the connecting member 76 is disposed between the pair of frames 46 and 48 so as to come into contact with the lower end of the plate-like member 50c and the lower end of the plate-like member 52c and the protrusions 76a and 76b are located on the upper side.
  • the connecting member 78 is formed in a rod shape, and has protrusions 78a and 78b at both ends thereof. As a result, both end portions of the connecting member 78 are thickened and can receive fastening members 84c, 84d, 86c and 86d (described later) such as a plurality of bolts.
  • the connecting member 78 is disposed between the pair of frames 46 and 48 so that the upper end portion of the plate-like member 50c and the upper end portion of the plate-like member 52c are in contact with each other and the protrusions 78a and 78b are positioned on the lower side.
  • rod-shaped reinforcing members 80 and 82 extending in the vertical direction and having hollow portions, for example, are disposed on the outer surface of the mounting portion 46f of the frame 46 and the outer surface of the mounting portion 48f of the frame 48, respectively.
  • the reinforcing members 80 and 82 extend above the frames 46 and 48, respectively.
  • the reinforcing members 80 and 82 are provided so as to be parallel to each other and face in the left-right direction. Referring to FIG.
  • a plurality of (two in this embodiment) fastening members 84 a and 84 b are provided between the lower portion of the reinforcing member 80 and the left end portion of the connecting member 76 with the frame 46 and the plate-like member 50 c interposed therebetween.
  • a plurality of (two in this embodiment) fastening members 84c and 84d are located slightly below the center of the reinforcing member 80 and the left end of the connecting member 78 with the frame 46 and the plate-like member 50c sandwiched therebetween.
  • a plurality of (two in this embodiment) fastening members are provided between the lower portion of the reinforcing member 82 and the right end portion of the connecting member 76 with the frame 48 and the plate-like member 52 c interposed therebetween. It is connected by 86a, 86b.
  • a plurality of (two in this embodiment) fastening members 86c and 86d are located slightly below the center of the reinforcing member 82 and the right end of the connecting member 78 with the frame 48 and the plate-like member 52c sandwiched therebetween.
  • the reinforcing member 80 connects one end portions of the corresponding connecting members 76 and 78 with the frame 46 interposed therebetween, and the reinforcing member 82 sets the other end portions of the corresponding connecting members 76 and 78 to the frame. 48 and connect.
  • the reinforcing members 56 and 58 are connected via the front panel 54 at the upper and lower positions of the frames 46 and 48.
  • the reinforcing members 68 and 70 are connected via a connecting member 64 at a position below the frames 46 and 48, and are connected via a connecting member 66 at a position above the frames 46 and 48.
  • the reinforcing members 80 and 82 are connected via a connecting member 76 at a position below the frames 46 and 48, and are connected via a connecting member 78 at a position above the frames 46 and 48.
  • the connecting members 64 and 76 each correspond to a first connecting member
  • the connecting members 66 and 78 each correspond to a second connecting member.
  • the rear edge portion 46d of the frame 46 and the rear edge portion 48d of the frame 48 are connected via a rod-shaped connecting member 88. Both end portions of the connecting member 88 are connected to the rear edge portions 46d and 48d by fastening members 90a and 90b such as bolts, for example.
  • the connecting members 64, 66, 76, 78 and 88 are provided so as to extend in the horizontal direction and be parallel to each other.
  • the tail body 18 is provided. 3 to 5 and 7, a rear portion of a plate-like bracket 92 extending in the left-right direction is attached to the upper surface of the front end portion of the tail body 18 by fastening members 94a and 94b such as bolts.
  • An upper portion of a plate-like bracket 96 extending in the front-rear direction is attached to the left side of the front end portion of the tail body 18 by fastening members 98a and 98b such as bolts.
  • the upper part of the extending plate-like bracket 100 is attached by fastening members 102a and 102b such as bolts.
  • the left and right front portions of the bracket 92 are respectively connected to locations above the central portions of the reinforcing members 80 and 82.
  • the reinforcing members 80 and 82 are connected to the tail body 18 via the bracket 92.
  • a brace 104 is provided so as to connect the reinforcing member 80 and the frame 46
  • a brace 106 is provided so as to connect the reinforcing member 82 and the frame 48.
  • the braces 104, 106 each extend obliquely downward from the rear to the front.
  • the rear end portion of the brace 104 is positioned so as to correspond to the left front portion of the bracket 92 with the reinforcing member 80 interposed therebetween, and the rear end portion of the brace 104, the reinforcing member 80, and the left front portion of the bracket 92 are separated by the fastening member 108.
  • the front end portion of the brace 104 is positioned so as to correspond to the rear portion of the bulging portion 66a across the frame 46, and the front end portion of the bracing 104, the frame 46, and the rear portion of the bulging portion 66a are connected by a fastening member 72f.
  • the rear end portion of the brace 106 is positioned so as to correspond to the right front portion of the bracket 92 with the reinforcing member 82 interposed therebetween, and the rear end portion of the brace 106, the reinforcing member 82, and the right front portion of the bracket 92 are fastened. Connected by member 110.
  • the front end portion of the brace 106 is positioned so as to correspond to the rear portion of the bulging portion 66b across the frame 48, and the front end portion of the brace 106, the frame 48, and the rear portion of the bulging portion 66b are connected by a fastening member 74f.
  • the bracket 96 attached to the tail body 18 is connected to the reinforcing member 80 and the frame 46.
  • the front end portion of the bracket 96 is located inside the reinforcing member 80 and above the frame 46.
  • a spring member 112 a and a bush 114 a pressed by the spring member 112 a are provided on the inner surface of the front end portion of the bracket 96, and the fastening member 98 c is interposed between the reinforcing member 80 and the bracket 96. It is attached to 114a.
  • the lower portion of the rear end of bracket 96 is connected to the rear end portion of frame 46 via a substantially L-shaped plate member 116.
  • a spring member (not shown) and a bush (not shown) pressed by the spring member are provided on the inner surface of the rear end lower portion of the bracket 96 and fastened with the upper portion of the plate-like member 116 and the bracket 96 interposed therebetween.
  • a member 98d is attached to the bush.
  • These spring members and bushes have the same configuration as the spring member 112a and the bush 114a.
  • the lower part of the plate-like member 116 is connected to the frame 46 by a fastening member 98e, and is further connected to the rear end portion of the frame 46 together with the lower end portion of the brace 118 by a fastening member 98f.
  • the brace 118 extends obliquely upward and forward from the rear, and the upper part of the brace 118 is connected to the central left end of the bracket 92 by a fastening member 98g.
  • the tail body 18 is attached to the frame 46 via the bracket 96 or the like. Further, the brace 118 reinforces the attachment of the tail body 18 to the frame 46.
  • the bracket 100 attached to the tail body 18 is connected to the reinforcing member 82 and the frame 48.
  • the front end portion of the bracket 100 is located inside the reinforcing member 82 and above the frame 48.
  • a spring member 112 b and a bush 114 b pressed by the spring member 112 b are provided on the inner surface of the front end portion of the bracket 100, and the fastening member 102 c is interposed between the reinforcing member 82 and the bracket 100.
  • 114b Referring to FIGS. 4 and 7, the lower end of the rear end of bracket 100 is connected to the rear end of frame 48 via a substantially L-shaped plate member 120.
  • a spring member 112c and a bush 114c pressed by the spring member 112c are provided on the inner surface of the rear end lower portion of the bracket 100 (see FIG. 8), and the fastening member 102d is sandwiched between the upper portion of the plate-like member 120 and the bracket 100. Is attached to the bush 114c.
  • the lower part of the plate-like member 120 is connected to the frame 48 by a fastening member 102e, and is further connected to the rear end portion of the frame 48 together with the lower end portion of the brace 122 by a fastening member 102f.
  • the brace 122 extends obliquely upward and forward from the rear, and the upper part of the brace 122 is connected to the central right end of the bracket 92 by a fastening member 102g.
  • the tail body 18 is attached to the frame 48 via the bracket 100 or the like. Further, the brace 122 reinforces the attachment of the tail body 18 to the frame 48.
  • a substantially rectangular plate-like bottom portion 124 is provided at a location surrounded by the pair of frames 46, 48, the front panel 54, and the connecting member 76.
  • the bottom portion 124 is connected to the lower surface of the front panel 54 by fastening members 126a and 126b such as bolts, is connected to the lower surface of the connecting member 64 by fastening members 126c and 126d such as bolts, and is connected by fastening members 126e and 126f such as bolts.
  • the lower surface of 76 is connected.
  • two support members 128 and 130 are provided on the front surface of front panel 54 so as to be lined up on the left and right.
  • the support member 128 is attached to the front panel 54 by two fastening members 132a and 132b such as bolts
  • the support member 130 is attached to the front panel 54 by two fastening members 134a and 134b such as bolts.
  • the drive source 36 is supported by the support members 128 and 130.
  • Two support members 136 and 138 are provided on the upper surfaces of both ends of the connecting member 66.
  • the support member 136 is attached to the connection member 66 by two fastening members 140a and 140b such as bolts
  • the support member 138 is attached to the connection member 66 by two fastening members 142a and 142b such as bolts.
  • the transmission 38 is supported by the support members 136 and 138.
  • the leg portion 26 is attached to the lower end portions of the reinforcing members 56 and 58, and the leg portion 28 is attached to the lower end portions of the reinforcing members 80 and 82.
  • the connecting members 66 and 78 are connected by a substantially rectangular holding member 144 (see FIGS. 12 to 14).
  • the pressing member 144 includes a main body portion 146a and an annular member 146b.
  • the main body 146a has an oval hole 146c extending in the longitudinal direction, and an oval annular member 146b is provided in the hole 146c.
  • a protrusion 174 described later is fitted into the hole 146d of the annular member 146b.
  • the front end portion of the pressing member 144 is connected to the upper surface of the connecting member 66 by two fastening members 148a and 148b such as bolts, and the rear end portion of the pressing member 144 is connected to the upper surface of the connecting member 78 such as two bolts. They are connected by fastening members 148c and 148d.
  • the electrical box 44 is disposed between the pair of frames 46 and 48.
  • a control device (not shown) for controlling various devices mounted on the helicopter 10 is housed in the electrical box 44.
  • the electrical box 44 includes a box body 150 and a lid 152.
  • the box body 150 is formed in a hollow and substantially casing shape and has an upper surface opening.
  • the lid 152 is attached to the box body 150 so as to cover the upper surface opening of the box body 150.
  • Step portions 154 and 156 extending in the left-right direction are formed at the lower front end and the lower rear end of the box body 150, respectively.
  • Strip-shaped buffer members 158 a and 158 b are provided at both left and right end portions of the side surface of the stepped portion 154.
  • strip-shaped buffer members 158c and 158d are provided so as to be arranged in the left-right direction.
  • Strip-shaped buffer members 160 a and 160 b are provided on the left and right ends of the side surface of the stepped portion 156.
  • strip-shaped buffer members 160c and 160d are provided so as to be aligned in the left-right direction.
  • Step portions 166 and 168 extending in the left-right direction are formed on the front end portion 162 and the rear end portion 164 of the lid portion 152, respectively.
  • a strip-shaped buffer member 170 is provided at a substantially central portion in the left-right direction on the step portion 166.
  • the rear end portion 164 is provided with two buffer members 172a and 172b so as to be aligned in the left-right direction and extend in the longitudinal direction of the lid portion 152.
  • the front portions of the buffer members 172a and 172b are provided so as to protrude upward from the stepped portion 168.
  • the rear portions of the buffer members 172a and 172b are provided so as not to protrude upward from the rear end portion 164.
  • the rear end portion 164 has recesses 173a and 173b that are recessed downward, and the rear portions of the buffer members 172a and 172b are provided in the recesses 173a and 173b.
  • the rear end portion 164 of the lid portion 152 is formed in a chamfered shape, that is, rounded.
  • a protrusion 174 extending in the front-rear direction is formed at a position slightly closer to the front of the center of the upper surface of the lid 152.
  • a U-shaped protrusion 176 is formed so as to surround the left and right and the rear of the protrusion 174 with a space therebetween.
  • the above-mentioned buffer members 158a, 158b, 158c, 158d, 160a, 160b, 160c, 160d, 170, 172a and 172b are made of, for example, a silicon-based sponge.
  • the lid 152 is attached to the box body 150 by a plurality (four in this embodiment) of fastening members 178a to 178d such as bolts.
  • the connecting member 64 is positioned on the stepped portion 154 and the connecting member 76 is positioned on the stepped portion 156.
  • the connecting member 66 is positioned on the stepped portion 166
  • the connecting member 78 is positioned on the stepped portion 168
  • the protruding portion 174 is fitted into the hole 146d of the pressing member 144.
  • the electrical box 44 is surrounded by the connecting members 64, 66, 76, 78 and the pressing member 144.
  • the electrical box 44 is removed from the main body 12 in the case where the bottom 124 is provided below the electrical box 44.
  • the bottom 124 is removed, and the connecting member from the state where the electrical box 44 is attached to the main body 12 as shown in FIG. 64 is removed to obtain the state shown in FIG.
  • the electrical box 44 is rotated in the direction indicated by the arrow A (counterclockwise in FIG. 16 (a)) with the connecting member 76 as a fulcrum. ),
  • the electrical box 44 is taken out from below.
  • FIG. 16A when the electrical box 44 is rotated and taken out, the rear end 164 of the electrical box 44 does not contact the connecting member 78. In other words, the removal of the electrical box 44 is not interfered by the connecting member 78.
  • the electrical box 44 is inserted from below into the main body 12 from which the connecting member 64 has been removed, and as shown in FIG. 156 is supported by the connecting member 76. From this state, the electrical box 44 is rotated in the direction of arrow B shown in FIG. 16A (clockwise in FIG. 16A), and as shown in FIG. It is inserted into the main body 12 (between a pair of frames 46 and 48). And the connection member 64 is attached as shown to Fig.15 (a).
  • the electrical box 44 is rotated and inserted into the main body 12
  • the rear end 164 of the electrical box 44 does not contact the connecting member 78. In other words, the attachment of the electrical box 44 is not interfered by the connecting member 78.
  • the connecting members 64 and 76 are used for both the connection of the frames 46 and 48 and the support of the electrical box 44, so it is necessary to separately prepare a member for supporting the electrical box 44. And the number of parts can be reduced. Further, when the connecting member 64 is removed from the frames 46 and 48, the support of the electrical box 44 by the removed connecting member 64 is released, so that the electrical box 44 can be easily taken out from the main body 12 downward. In addition, the electrical box 44 can be easily attached to a predetermined position of the main body 12 from below with the connecting member 64 removed from the frames 46 and 48. In this way, the electrical box 44 can be easily attached to and detached from the main body 12.
  • the rear end 164 formed in a chamfered shape (so as to be rounded) of the electrical box 44 is positioned between the frames 46 and 48.
  • the electrical box 44 is rotated in the direction of arrow A with the connecting member 76 as a fulcrum, and the electrical box 44 is taken out from between the frames 46 and 48 downward.
  • the rear end portion 164 formed in the chamfered shape of the electrical equipment box 44 does not contact the main body 12 (the connecting member 78). Even if the rear end 164 contacts the main body 12 (connecting member 78), the rear end 164 can be slid with respect to the main body 12 (connecting member 78). Therefore, the electrical equipment box 44 can be easily taken out between the frames 46 and 48 without being interfered by the main body 12.
  • the rear end 164 formed in a chamfered shape of the electrical box 44 is inserted between the frames 46 and 48.
  • the electrical box 44 is rotated in the direction of arrow B (rotated in the direction opposite to that at the time of removal), and the electrical box 44 is positioned between the frames 46 and 48.
  • the rear end portion 164 formed in the chamfered shape of the electrical equipment box 44 does not contact the main body 12 (connecting portion 78).
  • the electrical box 44 can be easily attached to the main body 12 so as to be positioned between the frames 46 and 48 without being interfered with the main body 12.
  • the two connecting members 64 and 76 support the electrical equipment box 44 from below so as not to move forward and backward, and the two connecting members 66 and 78 support the electrical equipment box 44 from above so as not to move forward and backward.
  • the box 44 can be more reliably supported so as not to move in the front-rear direction. Further, the connection members 64, 66, 76, 78 can prevent the electrical box 44 from moving in the vertical direction as a result.
  • the strength of the frame structure can be improved.
  • the frame-like frame structure sandwiching the frames 46 and 48 can be formed by the connecting members 76 and 78 and the reinforcing members 80 and 82, the strength of the frame structure can be improved.
  • the connecting members 64, 66, 76, and 78 are connected to the frame 46 by being connected to the frame 46 at a plurality of locations, and are firmly connected to the frame 46, and the connecting members 64, 66, 76, and 78 are respectively connected to the frame 48. By being connected at a plurality of locations, the frame 48 is firmly connected.
  • the holding member 144 By providing the holding member 144 so that the protrusion 174 of the electrical box 44 fits into the hole 146d of the annular member 146b, the movement of the electrical box 44 in the vertical direction, the front-rear direction, and the horizontal direction can be more reliably suppressed.
  • the strength of the frames 46 and 48 can be increased, and the electrical box 44 can be more reliably protected from the side.
  • the rear portions of the reinforcing members 80 and 82 are formed so as to become narrower toward the rear ends of the frames 46 and 48.
  • the frames 46 and 48 can be made lighter than when the portion is formed in a rectangular shape.
  • the case where the rear end portion 164 of the lid portion 152 is formed in a chamfered shape (so as to be rounded) in the electrical box 44 has been described, but is not limited thereto.
  • the front end of the lid may be chamfered (rounded).
  • the front end portion of the lid portion is preferably formed in a chamfered shape (to be rounded) to the same extent as the rear end portion 164 in the above-described embodiment.
  • both the front end portion and the rear end portion of the lid portion may be formed in a chamfered shape (so as to be rounded).
  • both the front end portion and the rear end portion of the lid portion are formed in a chamfered shape (to be rounded) to the same extent as the rear end portion 164 in the above-described embodiment.
  • the two connecting members 64 and 76 may be removed from the main body 12. Also in this case, the electrical box 44 can be easily attached to and detached from the main body 12.

Landscapes

  • Engineering & Computer Science (AREA)
  • Remote Sensing (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Toys (AREA)
  • Catching Or Destruction (AREA)
  • Body Structure For Vehicles (AREA)

Abstract

L'invention porte sur un hélicoptère télécommandé (10) qui comprend un fuselage principal (12) destiné à soutenir une source d'entraînement (36), un fuselage de queue (18) qui s'étend vers l'arrière depuis une partie terminale arrière du fuselage principal (12), et un boîtier électrique (44) soutenu sur le fuselage principal (12). Le boîtier électrique (44) est disposé entre des cadres (46, 48) du fuselage principal (12), et il est soutenu depuis le bas par des éléments de liaison (64, 76) et depuis le haut par des éléments de liaison (66, 78) de façon qu'il ne peut se déplacer d'avant en arrière. Les éléments de liaison (64, 66) sont reliés par des éléments de renfort (68, 70) entre lesquels sont intercalés les cadres (46, 48), et les éléments de liaison (76, 78) sont reliés par des éléments de renfort (80, 82) entre lesquels sont intercalés les cadres (46, 48). Une partie terminale arrière (164) de la surface supérieure du boîtier électrique (44) est conformée en biseau.
PCT/JP2014/067031 2013-06-28 2014-06-26 Hélicoptère télécommandé WO2014208682A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN201480034934.5A CN105324304B (zh) 2013-06-28 2014-06-26 无人直升机
KR1020157035802A KR101636800B1 (ko) 2013-06-28 2014-06-26 무인 헬리콥터

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2013137409A JP5856106B2 (ja) 2013-06-28 2013-06-28 無人ヘリコプタ
JP2013-137409 2013-06-28

Publications (1)

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WO2014208682A1 true WO2014208682A1 (fr) 2014-12-31

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ID=52142008

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PCT/JP2014/067031 WO2014208682A1 (fr) 2013-06-28 2014-06-26 Hélicoptère télécommandé

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JP (1) JP5856106B2 (fr)
KR (1) KR101636800B1 (fr)
CN (1) CN105324304B (fr)
WO (1) WO2014208682A1 (fr)

Cited By (2)

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WO2023135275A1 (fr) * 2022-01-14 2023-07-20 Roze Mobility Aeronef a voilure tournante a usage mixte, a chaine cinematique alignee
FR3131905A1 (fr) * 2022-01-14 2023-07-21 Roze Mobility Aeronef a voilure tournante a usage mixte, a chaine cinematique alignee

Families Citing this family (3)

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FR3040690B1 (fr) * 2015-09-04 2020-01-17 Safran Helicopter Engines Helicoptere equipe d'un dispositif d'assistance d'urgence a la sustentation
JP6847703B2 (ja) * 2017-02-17 2021-03-24 株式会社クボタ 農業用マルチコプター
CN112829954B (zh) * 2021-01-11 2023-01-20 宏洋电机(威海)有限公司 一种油动无人机发动机保护装置

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WO2012175187A1 (fr) * 2011-06-20 2012-12-27 Cassidian Sas Système permettant d'intégrer un moteur diesel dans un drone
US20130105619A1 (en) * 2011-11-01 2013-05-02 Vanguard Defense International, Llc Camera stabilization mechanism
US20130105628A1 (en) * 2011-11-01 2013-05-02 Vanguard Defense International, Llc Airframe
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WO2023135275A1 (fr) * 2022-01-14 2023-07-20 Roze Mobility Aeronef a voilure tournante a usage mixte, a chaine cinematique alignee
FR3131905A1 (fr) * 2022-01-14 2023-07-21 Roze Mobility Aeronef a voilure tournante a usage mixte, a chaine cinematique alignee

Also Published As

Publication number Publication date
CN105324304B (zh) 2016-11-16
CN105324304A (zh) 2016-02-10
JP2015009708A (ja) 2015-01-19
KR20160003881A (ko) 2016-01-11
JP5856106B2 (ja) 2016-02-09
KR101636800B1 (ko) 2016-07-06

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