CN204548477U - Upper beam, the helicopter body adopting this upper beam and helicopter - Google Patents
Upper beam, the helicopter body adopting this upper beam and helicopter Download PDFInfo
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- CN204548477U CN204548477U CN201520061952.4U CN201520061952U CN204548477U CN 204548477 U CN204548477 U CN 204548477U CN 201520061952 U CN201520061952 U CN 201520061952U CN 204548477 U CN204548477 U CN 204548477U
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- tail pipe
- connecting support
- change speed
- gear box
- speed gear
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T50/00—Aeronautics or air transport
- Y02T50/40—Weight reduction
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Abstract
A kind of upper beam of the present utility model, the helicopter body adopting this upper beam and helicopter.Upper beam is the U-shaped component be made up of with the bridging section being connected two straight bar part one end two straight bar parts be parallel to each other.Body be upper spider, foot rest, by engine assembly and the interconnective shock-damping structure of bumper, upper spider is the rigid construction formed the intermediate beam with five connecting support arms by two by upper beam, front-axle beam, upper bearing beam, strut bar and tail pipe, and wherein three of three strut bars and intermediate beam are connected.Change speed gear box is positioned on described upper bearing beam.Described housing construction is simple, is easy to manufacture, cost-saving; Lightweight, good rigidly, damping performance is outstanding; Be easy to the beneficial effect such as dismounting and maintenance.
Description
Technical field
The utility model relates to the upper beam of a kind of depopulated helicopter or model helicopter or manned helicopter, also relates to a kind of helicopter body and the helicopter that adopt this upper beam.
Background technology
Helicopter body, as the central supporting mechanism of helicopter, is responsible for supporting and the parts such as stationary engine, has the function of they being fixed and linking together, plays a part to carry and power transmission.Therefore, its whole housing construction design makes it have enough rigidity for most important a frame depopulated helicopter.
At present, the housing construction of depopulated helicopter common in prior art or model helicopter or manned helicopter adopts lateral plate structure mostly, and minority adopts bend pipe structure and skeleton structure.Wherein, lateral plate structure uses two blocks of side plates as the main framing of fuselage to maintain its rigidity, makes side plate stressed, as Chinese patent 201220270857 " a kind of fuselage ring of depopulated helicopter ".This housing construction causes narrow space, there is rigidity deficiency, structural strength is low, relatively heavier, complex structure, manufacturing cost are high, is difficult to the defects such as dismounting maintenance.Govern widespread use and the development of depopulated helicopter or model helicopter or manned Helicopter Technology.
Utility model content
In order to solve problems of the prior art, the utility model provides a kind of upper beam structure of helicopter, adopt helicopter body and the helicopter of this upper beam structure, upper beam has structural strength, simple for structure, conveniently can overlap the load-bearing structural member that multiple component composition is unique, can be applied to especially forming helicopter body.
The technical solution of the utility model:
A kind of upper beam, it is characterized in that comprising the symmetrical structure U-shaped component be made up of with the bridging section being connected two straight bar part one end two straight bar parts be parallel to each other, described two straight bar parts are bending or bending formation bending structure in same position in the same direction near one end of bridging section, and described two straight bar parts and bridging section have structural strength.
Described U-shaped component is structure as a whole.
Described straight bar part and bridging section all adopt tubing to form.
The bending of described bending structure or sweep crossing with straight bar part be acute angle, right angle or obtuse angle, described tubing refers to aluminum pipe.
A kind of helicopter body, comprises upper spider and foot rest, it is characterized in that described upper spider comprises above-mentioned upper beam.
Described upper spider is rigid member, also comprises front-axle beam, upper bearing beam, strut bar and tail pipe and is connected two intermediate beams of above-mentioned component, wherein,
Described intermediate beam comprises center ring and is arranged on five connecting support arms on center ring, described five connecting support arms comprise be arranged on two equal brachiums on center ring top, be symmetrical in the upper connecting support arm that center ring middle vertical plane arranges, two equal brachiums of center ring both sides, a lower connecting support arm being symmetrical in side connecting support arm that center ring middle vertical plane arranges and the positive bottom of center ring;
Described upper beam is positioned at above body, isometric described two straight bar part place planes are for being horizontally disposed with, described bridging section is body head, described bending structure is curved down, two straight bar parts are connected two intermediate beams, two upper connecting support arms separately respectively near head position and described straight bar part terminal position, and two intermediate beam concentrics are horizontally disposed with;
Described front-axle beam is horizontal straight-bar or straight tube, is positioned at body lower head, and one end is connected with the centre of the bridging section of described upper beam, and the other end is connected with the lower connecting support arm of the described intermediate beam near head position;
Described upper bearing beam is two horizontal straight-bars or straight tube, is positioned at below in the middle part of body, and two the side connecting support arms separately of intermediate beam described in former and later two connect the end of described two upper bearing beams respectively;
Described strut bar is straight-bar or straight tube, is positioned at body tail, and its one end is connected with the described intermediate beam being arranged on described straight bar part end, and the other end is connected in the middle part of described tail pipe by attaching parts, and one end of described tail pipe is connected with the center ring of described intermediate beam.
Described intermediate beam is by coaxial and form near one that the arranges triangular beam stood upside down and a herringbone beam, described triangular beam is provided with two described upper connecting support arms and a lower connecting support arm, described herringbone beam is arranged described two side connecting support arms, be oppositely arranged before and after described herringbone beam, so that described two upper bearing beams are arranged between two herringbone beams be oppositely arranged.
Three support arms of described triangular beam are isometric support arm.
Described strut bar is three rigidity carbon pipes or carbon beam, two strut bars are positioned at above described tail pipe, one is positioned at below described tail pipe, the end, one end of described three strut bars is fixedly connected with a lower connecting support arm with two upper connecting support arms of Vee formation beam of the straight bar part end being arranged on described upper beam respectively, the other end converges in the middle part of described tail pipe, forms the triangular support configurations of rigidity.
Also comprise lower bearing beam and bumper, the top of described foot rest has lower bearing beam, described lower bearing beam is two horizontal straight-bars or straight tube, be positioned at immediately below described upper bearing beam, on described upper and lower bearing beam, correspondence is evenly equipped with described bumper, described bumper is arranged with lower bearing beam perpendicular to described upper bearing beam respectively, up and down relative, there is spacing and in four directions distribution, described bumper is connected with engine assembly respectively, between bumper, for installing change speed gear box on described upper bearing beam.
On described tail pipe, cover has tail pipe seat and tail pipe hoop, described tail pipe seat is positioned at one end of described tail pipe, have center hole, described tail pipe is inserted in described center hole, and described center hole is installed with the center ring of rear intermediate beam of the straight bar part end being positioned at described upper beam is concentric; Described tail pipe hoop is positioned in the middle part of described tail pipe, is fixedly connected with the end of the strut bar of described convergence.
Also comprise contracting mouth pipe collar, three connecting support arms of described triangular beam and two connecting support arms of described herringbone beam all have connecting bore, tubular beam is placed in described contracting mouth pipe collar, and described contracting mouth pipe collar penetrates in described connecting bore respectively, and tubular beam comprises described upper beam, front-axle beam and upper bearing beam.
Also comprise the short tube for connecting support arm under stable Vee formation beam and spider strut member, described short tube to be placed in described contracting mouth pipe collar and to be longer than described contracting mouth pipe collar towards the direction of head, and described contracting mouth pipe collar penetrates in the connecting bore of the lower connecting support arm of described Vee formation beam; Described spider strut member is that identical, the every sheet one end of two panels size shape is fixed on a lower bearing beam, the connection tailgate that the other end is connected with short tube by the bridge piece be placed on short tube, and the tailgate that two pieces of overlap joints are connected on bridge piece forms Eight characters structure.
Comprise change speed gear box installing mechanism, described change speed gear box installing mechanism comprises more than two or two spaced crossbeams, change speed gear box adapter plate, gear-box side adapter plate and upper steering wheel frame adapter plate; Described every root crossbeam is connected with bearing beam cross-over connection on two; On described crossbeam, tiling has change speed gear box adapter plate, and described change speed gear box is positioned on described change speed gear box adapter plate, and described gear-box side adapter plate is positioned at the both sides of described change speed gear box, and upper beam is fixed in one end, and the other end is connected with the upper steering wheel frame be positioned at above described change speed gear box.
Comprise buckle and mould pipe collar, described pipe collar of moulding is placed on described upper bearing beam and is fixedly connected with described crossbeam two ends, and be placed on described upper beam and be fixedly connected with described gear-box side adapter plate, the centre of front end and bridging section that described buckle is enclosed within described front-axle beam is fixedly connected with.
Described engine assembly is positioned at below described change speed gear box, and described engine assembly comprises driving engine and exports synchronizing wheel and Timing Belt; Described change speed gear box comprises change speed gear box input synchronizing wheel and coupler; Described driving engine exports that power is passed to described change speed gear box input synchronizing wheel by described Timing Belt by synchronizing wheel, described change speed gear box input synchronizing wheel is connected in series linkage with described coupler, and power is connected by described coupler and tail pipe intermediate solid drive shaft simultaneously and power is transmitted to tail.
A kind of helicopter, is characterized in that, adopt above-mentioned helicopter body.
Advantageous Effects of the present utility model:
Described upper beam comprise by horizontal straight bar part and and straight bar part between there is bending structure unique U-shaped component of symmetrical structure of being formed of bridging section, wherein bending structure bending and bending two kinds of modes are formed.This structure of upper beam has structural strength, simple for structure, conveniently can overlap the load-bearing structural member that multiple component composition is unique, special can being applied to forms helicopter body, and bending structure can be used as helicopter head section and straight bar part and bridging section can realize the connection with other parts easily.Upper beam self had both met mechanical property and had had certain rigidity, and anti-deformation intensity is large, has again certain bending flexibility, is bent to form the nose shape of helicopter body.
A straight tube can be bent to form the U-bend of symmetrical structure by the making of upper beam from centre, and again bends the straight-tube portion of U-bend both sides or be bent to form the U-shaped component of one band bending structure, and easy to make, structure is simple, and cost is low, practical again.
Tubing is convenient to be connected, and the structure of hollow makes upper beam lightweight, alleviates body weight.
The bending of bending structure or sweep crossing with straight bar part be acute angle, right angle or obtuse angle, facilitate the installation of other structure and form different head constructions.
Described upper spider is rigid construction, and firmly and support upper spider with having buffering, upper spider comprises above-described upper beam to foot rest.Because upper spider does not comprise heavy and complicated lateral plate structure, therefore installing space is large, can not be limited to, and textural anomaly is simple, for the functor such as engine assembly, retarder arranging helicopter provides very spacious, independently space, be also convenient to very much cooperatively interact.
By two intermediate beams, upper beam, front-axle beam, upper bearing beam and tail pipe are linked together dexterously, in the design basis of the creationary three-dimensional U component of upper beam, have employed cleverly again there are 5 support arms two intermediate beams before and after distribute, upper bearing beam is fixedly connected with upper beam with two side connecting support arms by two of forward and backward intermediate beam upper connecting support arms; By three connecting support arms of rear intermediate beam and strut bar, tail pipe and upper beam are linked together; By a lower connecting support arm of front intermediate beam, front-axle beam is fixedly connected with upper beam, defines the upper spider of rigidity.The upper spider of rigidity drastically increases manoevreability and the aseismicity of body.Upper beam, front-axle beam, upper bearing beam and strut bar are all tubular type or bar type structure, and structure is simple, assemble conveniently, lightweight, have again good structural strength simultaneously.
The support of triangular beam and herringbone beam and firm superior performance.
Isometric support arm design makes each structure stress of body even, forms symmetrical body.
Creationary triangular support configurations design is different from prior art two strut bars be positioned at below tail pipe, comprise and to be positioned at above tail pipe two and be positioned at a strut bar below tail pipe, tail pipe is positioned at centre, most for triangle stability principle is successfully applied in the connection of tail pipe by this design, make the stable connection of tail pipe and upper beam, firm, there is again extraordinary trackability.
Described body is be connected respectively by shock absorber and engine assembly by the upper spider of rigidity and foot rest, forms vibration damping combination.Upper bearing beam is fixed with change speed gear box, there are 8 bumpers that four directions distribution is corresponding up and down between the upper bearing beam and the lower bearing beam of foot rest of upper spider; Be arranged on the engine assembly between 8 bumpers, be connected with bumper; 8 bumpers effectively can alleviate the impact of vibrations on body of driving engine.Change speed gear box and transmitting set assembly are arranged on components different up and down respectively, have both been convenient to interact, and are independent of each other mutually again.
By tail pipe seat and tail pipe hoop, tail pipe is securely fixed on the triangular beam at body rear, supports carbon beam by three and be fixed in the middle part of tail pipe, make triangular support configurations firm.
By contracting mouth pipe collar being connected and fixed upper beam, front-axle beam, upper bearing beam and triangular beam and herringbone beam.
Described short tube and spider strut member achieve the fixed pedestal of a lower connecting support arm on lower bearing beam of the triangular beam at body rear, namely descend connecting support arm can not be unsettled, because be connected by shock absorber and engine assembly between upper spider and foot rest, between have elastic deformation, make triangular support configurations firm like this, the rigidity of further raising body and trackability, reduce elastic deformation between the two.
By moulding on pipe collar, bearing beam is fixed with crossbeam, form truss structure, on crossbeam, level is fixed with adapter plate; On a mounting board change speed gear box is installed, is connected with upper steering wheel frame adapter plate with upper beam by gear-box side adapter plate, fixing described change speed gear box.
By buckle, front-axle beam is fixed on the middle part of three-dimensional U component, improves the left-right balance of body.
Driving engine is positioned at the below of change speed gear box, is independent of each other mutually, is convenient to again interact, and realizes by driving engine to change speed gear box to the transmission of power of tail pipe and tail, reasonably layout body power arrangement.
One, structure is simple, is easy to manufacture, cost-saving
Described housing construction major part adopts aluminium bend pipe, straight tube and carbon tubular construction, and structure is simple, and without large area side plate, cost significantly reduces.
Two, lightweight, good rigidly, damping performance is outstanding
The aluminium bend pipe that body adopts or straight tube and carbon pipe all make weight greatly alleviate, and do not comprise heavy lateral plate structure; The particularly supporting way of tail pipe, adopts three to support carbon pipe and coordinates triangular beam to carry out inverted triangle support, ensure the rigidity of tail pipe and body.Adopt 8 groups of bumpers to isolate between engine assembly and upper spider, foot rest, eliminate to greatest extent and the vibrations of air environment are disturbed.
Three, dismounting and maintenance is easy to
Change speed gear box, engine assembly, foot rest, tail pipe, upper spider can be taken apart respectively when not affecting other parts, have a style of one's own, are convenient to maintenance maintenance.
Accompanying drawing explanation
Fig. 1 is the upper spider structural representation of a kind of helicopter body of the present utility model;
Fig. 2 is upper spider and the foot rest structure relative position schematic diagram of a kind of helicopter body of the present utility model;
Fig. 3 is the engine assembly installation site schematic diagram of a kind of helicopter body of the present utility model;
Fig. 4 is the change speed gear box installing mechanism schematic diagram of a kind of helicopter body of the present utility model;
Fig. 5 is the change speed gear box mounting means schematic diagram of a kind of helicopter body of the present utility model;
Fig. 6 is the spider strut member schematic diagram of a kind of helicopter body of the present utility model;
Fig. 7 is the power arrangement schematic diagram of helicopter body of the present utility model.
Reference numeral:
1-triangular beam; 2-herringbone beam; 3-upper beam; The upper bearing beam of 4-; 5-front-axle beam; 6-strut bar; 7-tail pipe hoop; 8-tail pipe; 9-contracting mouth pipe collar; 10-tail pipe seat; 11-buckle; 12-intermediate beam; 13-upper spider; 14-straight bar part; 15-bridging section; 16-bending structure; 17-short tube; The upper connecting support arm of 18-; 19-side connecting support arm; Connecting support arm under 20-; 21-center ring; 22-center hole; 23-foot rest; Bearing beam under 24-; 25-bumper; 26-engine assembly; 27-connecting bore; 28-change speed gear box adapter plate; 29-crossbeam; 30-moulds pipe collar; 31-gear-box side adapter plate; 32-upper steering wheel frame adapter plate; 33-change speed gear box; 34-change speed gear box input synchronizing wheel; 35-coupler; 36-spider strut member; 37-tailgate; 38-driving engine exports synchronizing wheel.
Detailed description of the invention
In order to illustrate in greater detail content of the present utility model, will be introduced in detail by detailed description of the invention by reference to the accompanying drawings.
The upper beam of a kind of helicopter body of the present utility model, as shown in Figure 1, Fig. 1 is the upper spider structural representation of a kind of helicopter body of the present utility model, upper beam 3 comprises the U-shaped component of bridging section 15 and two straight bar parts 14 formation, and described two straight bar parts 14 are bending or bending formation bending structure 16 in same position in the same direction near one end of bridging section 15.Upper beam 3 is made up of aluminium bend pipe, and bridging section 15 and two straight bar parts 14 can be integrative-structures, may also be the Split type structure fitted together by socket or other modes when body is larger.
Described two straight bar parts 14 bend downwards near the position of bridging section 15 or be bent to form bending degree or sinuousness identical, the bending structure 16 that forms the arc of identical acute angle, right angle or obtuse angle or same radian with straight bar part 14 keep bilateral symmetry, and the centre of the bridging section 15 of U-shaped component and the lower connecting support arm 20 maintenance level of triangular beam 1 to be ensured.The angle that Fig. 1 embodiment is bending is 45 degree, and forming two straight bar parts 14 is 135 degree with the angle of bridging section 15.
A kind of helicopter body of the present utility model, described helicopter can be unmanned or model plane or manned helicopter, specifically sees Fig. 1-7, comprises upper spider 13 and foot rest 23 and bumper 25, also can comprise the engine assembly 26 and change speed gear box 33 installed in it.Upper spider 13 is rigid member, foot rest 23 firmly and support upper spider 13 with having buffering, also have certain rigidity, the upper spider 13 of described body and foot rest 23 are connected with engine assembly 26 respectively by the shock absorber 25 that it is arranged respectively, form vibration damping combination.
As shown in Figure 1, described upper spider 13 comprises described upper beam 3, two upper bearing beam 4, front-axle beam 5, three strut bars 6, tail pipe 8 and two intermediate beams 12, by contracting mouth pipe collar 9, moulds the accessory combinations such as pipe collar 30, buckle 11, tail pipe seat 10, tail pipe hoop 7 and is integrated.
Five connecting support arms that described intermediate beam 12 comprises center ring 21 and is arranged on center ring 21, described five connecting support arms comprise be arranged on two equal brachiums on center ring 21 top, be symmetrical in the upper connecting support arm 18 that center ring 21 middle vertical plane arranges, two equal brachiums of center ring 21 both sides, a lower connecting support arm 20 being symmetrical in side connecting support arm 19 that center ring 21 middle vertical plane arranges and the positive bottom of center ring 21.Upper bearing beam 4, tail pipe 8 and front-axle beam 5 and upper beam 3 connect as one by the intermediate beam 12 that front and back are arranged, and form open load larrying member, are convenient to install change speed gear box 33, bumper 25, engine assembly 26 and foot rest 23 for depopulated helicopter or model helicopter.Certain intermediate beam 12 also can take other frame modes and different quantity, particularly for manned helicopter, can be arranged the space of different size, to form manned cabin by multiple intermediate beam 12 or different support arm.
For model airplane machine or unmanned plane; described upper beam 3 is positioned at above body; isometric described two straight bar part 14 place planes are for being horizontally disposed with; described bridging section 15 is body head; described bending structure 16 is curved down; two upper connecting support arm 18, two intermediate beam 12 concentrics that two straight bar parts 14 are connected two intermediate beams 12 respective respectively near head position and described straight bar part 14 terminal position are horizontally disposed with.
Described front-axle beam 5 is horizontal straight-bar or straight tube, is positioned at body lower head, and one end is connected with the centre of the bridging section 15 of described upper beam 3, and the other end is connected with the lower connecting support arm 20 of the described intermediate beam 12 near head position.
Described upper bearing beam 4 is two horizontal straight-bars or straight tube, to be positioned in the middle part of body below, and respective two the side connecting support arms 19 of intermediate beam 12 described in former and later two connect the end of described two upper bearing beams 4 respectively.
Described strut bar 6 is straight-bar or straight tube, be positioned at body afterbody, its one end is connected with the described intermediate beam 12 being arranged on described straight bar part 14 end, the other end is connected in the middle part of described tail pipe 8 by attaching parts, and one end of described tail pipe 8 is connected with the described center ring 21 being positioned at the intermediate beam 12 of After-Body.
Described intermediate beam 12 comprises the triangular beam 1 and herringbone beam 2 that are coaxially closely fixed together, and the two is screwed in together (both also can be made of one, and unite two into one).Described triangular beam 1 is provided with two described upper connecting support arms 18 and a lower connecting support arm 20, described herringbone beam 2 is provided with two described side connecting support arms 19, be oppositely arranged before and after two described herringbone beams 2, two triangular beams 1 are arranged on outside herringbone beam 2, two described upper bearing beams 4 are connected with between two herringbone beams 2, two herringbone beam 2 shape sizes are the same, under the horizontally disposed state of two upper beams 3, to be arranged between two herringbone beams 2 bearing beam 4 on two and to be also in horizontality, parallel to each other and symmetrical.
Upper beam 3 and upper bearing beam 4 are connected and fixed by contracting mouth pipe collar 9 by triangular beam 1 and herringbone beam 2.Utilize the tail pipe hoop 7 of connection three strut bars 6, tail pipe seat 10 and posterior triangular beam 1 that tail pipe 10 is bound up with upper beam 3 securely, form a rigid construction.Described triangular beam 1 and herringbone beam 2 are made up of aluminium sheet.
Two support arms of described herringbone beam 2 are isometric support arm.Three support arms of triangular beam 1 are equilateral triangle distribution, del is installed, described strut bar 6 is three rigidity carbon pipes or carbon beam, two strut bars 6 are positioned at above described tail pipe 8, one is positioned at below described tail pipe 8, the end, one end of described 3 strut bars 6 respectively with described in straight bar part 14 end being arranged on described upper beam 3 on two of Vee formation beam 1 connecting support arm 18 be fixedly connected with a lower connecting support arm 20, on the tail pipe hoop 7 that the middle part that the other end evenly converges at described tail pipe 8 is arranged, form the triangular support configurations of rigidity.
Two side connecting support arms 19 of each herringbone beam 2 are penetrated bearing beam 4 and are fixed the end of upper bearing beam 4 by described contracting mouth pipe collar 9, realize linking securely with other parts of body.The other end that one end is fixed on the front-axle beam 5 on first three cantilevered corner beam 1 time connecting support arm 20 by contracting mouth pipe collar 9 is fixed on the centre of U-shaped component by buckle 11 and contracting mouth pipe collar 9.
Described front-axle beam 5 and upper bearing beam 4, strut bar 6 are carbon pipe or carbon beam or other metal or non-metallic rigid bar/pipe.
On described tail pipe 8, cover has tail pipe seat 10 and tail pipe hoop 7, described tail pipe seat 10 is positioned at one end of described tail pipe 8, there is center hole 22, described tail pipe 8 is inserted in described center hole 22, and described center hole 22 is installed with the center ring 21 of the described intermediate beam 12 being positioned at described straight bar part 14 end is concentric; Described tail pipe hoop 7 is positioned at the middle part of described tail pipe 8, is fixedly connected with the end of the strut bar 6 of described convergence.
Three connecting support arms of described triangular beam 1 and two connecting support arms of described herringbone beam 2 all have connecting bore 27, described contracting mouth pipe collar 9 comprises general formula and blind, general formula contracting mouth pipe collar 9 is positioned at two upper connecting support arms 18 and is positioned at the connecting bore 27 of lower connecting support arm 20 of triangular beam 1 at body rear, and blind contracting mouth pipe collar 9 is positioned at side connecting support arm 19 and is positioned at the connecting bore 27 of a lower connecting support arm 20 of triangular beam 1 in body front.
Fig. 2 is upper spider and the foot rest relative position structural representation of a kind of helicopter body of the present utility model; Fig. 3 is the engine assembly installation site schematic diagram of a kind of helicopter body of the present utility model; Fig. 4 is the change speed gear box installing mechanism schematic diagram of a kind of helicopter body of the present utility model; Fig. 5 is the change speed gear box mounting means schematic diagram of a kind of helicopter body of the present utility model.As Figure 2-Figure 5, the top of described foot rest 23 has lower bearing beam 24, be positioned at immediately below described upper bearing beam 4, described bumper 25 is individually fixed on described upper bearing beam 4 and lower bearing beam 24, distribute in four directions correspondence and there is spacing totally 8, each four up and down, engine assembly 26 is connected between upper and lower bumper 25.
As shown in Figure 3, engine assembly 26 is arranged on 8 bumpers 25 completely, carries out rubber isolation completely with upper spider 13 and foot rest 23.Foot rest 23 is made up of aluminium bend pipe, also can be made up of carbon or other material.
As shown in Figure 4 and Figure 5, also comprise change speed gear box installing mechanism, described change speed gear box installing mechanism comprise be connected across more than two or two parallel arrangements between two upper bearing beams 4 and arrange crossbeam 29, Fig. 4 embodiment be 3, also comprise change speed gear box adapter plate 28, gear-box side adapter plate 31 and upper steering wheel frame adapter plate 32.Upper bearing beam 4 is fixed on crossbeam 29 on upper spider 13 by moulding pipe collar 30, crossbeam 29 fills change speed gear box adapter plate 28.
As shown in Figure 4, described crossbeam 29 is connected with upper bearing beam 4, on described crossbeam 29, tiling has change speed gear box adapter plate 28, in Fig. 5, change speed gear box 33 is fixed on change speed gear box adapter plate 28, gear-box side adapter plate 31 is connected with the straight bar part 14 of upper beam 3 by moulding pipe collar 30, is connected with the upper steering wheel frame adapter plate 32 above change speed gear box 33 simultaneously, strengthens the rigidity between change speed gear box 33 and upper beam 3.Describedly mould the joint that pipe collar 30 is positioned at described crossbeam 29 and described upper bearing beam 4 and described gear-box side adapter plate 31 and described upper beam 3.
Fig. 6 is the spider strut member schematic diagram of a kind of helicopter body of the present utility model, and as shown in Figure 6, described body also comprises short tube 17 and spider strut member 36, for stable Vee formation beam 1 time connecting support arm 20.Described short tube 17 overcoat has described contracting mouth pipe collar 9, then penetrates the drift angle connecting bore 27 of the lower connecting support arm 20 of described Vee formation beam 1, and described contracting mouth pipe collar 9 is being longer than by described short tube 17 towards the direction of head; Described spider strut member 36 is that two panels size shape is identical, the tailgate of echelon form 37, itself and short tube 17 are connected to form splayed spatial structure, the high-end of two tailgates 37 is connected with described short tube 17 by the bridge piece be placed on short tube 17, two panels tailgate 37 end portion is separately fixed on described lower bearing beam 24, improves the rigidity of body further.
Fig. 7 is the power arrangement schematic diagram of a kind of depopulated helicopter of the present utility model or model helicopter housing construction, as shown in Figure 7, described engine assembly 26 is positioned at below described change speed gear box 33, and described engine assembly 26 comprises driving engine and exports synchronizing wheel 38 and Timing Belt (not shown); Described change speed gear box 33 comprises change speed gear box input synchronizing wheel 34 and coupler 35; Described driving engine exports that power is passed to described change speed gear box input synchronizing wheel 34 by described Timing Belt by synchronizing wheel 38, described change speed gear box input synchronizing wheel 34 is connected in series linkage with described coupler 35, and described coupler 35 and tail pipe 8 intermediate solid drive shaft are connected and power is transmitted to tail.
A kind of helicopter body of the present utility model, has following high performance:
One, structure is simple, is easy to manufacture, cost-saving
Described housing construction major part adopts aluminium bend pipe, straight tube and carbon tubular construction, and structure is simple, and without large area side plate, cost significantly reduces.
Two, lightweight, good rigidly, damping performance is outstanding
The aluminium bend pipe that body adopts or straight tube and carbon pipe all make weight greatly alleviate, and do not comprise heavy lateral plate structure.The particularly supporting way of tail pipe, adopts three to support carbon pipe and coordinates triangular beam to carry out inverted triangle support, ensure the rigidity of tail pipe and body.Adopt 8 groups of bumpers to isolate between engine assembly and upper spider, foot rest, eliminate to greatest extent and the vibrations of air environment are disturbed.
Three, dismounting and maintenance is easy to
Change speed gear box, engine assembly, foot rest, tail pipe, upper machine body can be taken apart respectively when not affecting other parts, have a style of one's own, are convenient to maintenance maintenance.
Claims (23)
1. a upper beam, it is characterized in that comprising the symmetrical structure U-shaped component be made up of with the bridging section being connected two straight bar part one end two straight bar parts be parallel to each other, described two straight bar parts are bending or bending formation bending structure in same position in the same direction near one end of bridging section, and described two straight bar parts and bridging section have structural strength.
2. upper beam according to claim 1, is characterized in that described U-shaped component is structure as a whole.
3. upper beam according to claim 1 and 2, is characterized in that described straight bar part and bridging section all adopt tubing to form.
4. upper beam according to claim 3, it is characterized in that the bending of described bending structure or sweep crossing with straight bar part be acute angle, right angle or obtuse angle, described tubing refers to aluminum pipe.
5. a helicopter body, comprises upper spider and foot rest, it is characterized in that described upper spider comprises the described upper beam of one of claim 1-4.
6. helicopter body according to claim 5, is characterized in that described upper spider is rigid member, also comprises front-axle beam, upper bearing beam, strut bar and tail pipe and is connected two intermediate beams of above-mentioned component, wherein,
Described intermediate beam comprises center ring and is arranged on five connecting support arms on center ring, described five connecting support arms comprise be arranged on two equal brachiums on center ring top, be symmetrical in the upper connecting support arm that center ring middle vertical plane arranges, two equal brachiums of center ring both sides, a lower connecting support arm being symmetrical in side connecting support arm that center ring middle vertical plane arranges and the positive bottom of center ring;
Described upper beam is positioned at above body, isometric described two straight bar part place planes are for being horizontally disposed with, described bridging section is body head, described bending structure is curved down, two straight bar parts are connected two intermediate beams, two upper connecting support arms separately respectively near head position and described straight bar part terminal position, and two intermediate beam concentrics are horizontally disposed with;
Described front-axle beam is horizontal straight-bar or straight tube, is positioned at body lower head, and one end is connected with the centre of the bridging section of described upper beam, and the other end is connected with the lower connecting support arm of the described intermediate beam near head position;
Described upper bearing beam is two horizontal straight-bars or straight tube, is positioned at below in the middle part of body, and two the side connecting support arms separately of intermediate beam described in former and later two connect the end of described two upper bearing beams respectively;
Described strut bar is straight-bar or straight tube, is positioned at body tail, and its one end is connected with the described intermediate beam being arranged on described straight bar part end, and the other end is connected in the middle part of described tail pipe by attaching parts, and one end of described tail pipe is connected with the center ring of described intermediate beam.
7. helicopter body according to claim 6, it is characterized in that described intermediate beam is by coaxial and form near one that the arranges triangular beam stood upside down and a herringbone beam, described triangular beam is provided with two described upper connecting support arms and a lower connecting support arm, described herringbone beam is arranged described two side connecting support arms, be oppositely arranged before and after described herringbone beam, so that described two upper bearing beams are arranged between two herringbone beams be oppositely arranged.
8. helicopter body according to claim 7, is characterized in that three support arms of described triangular beam are isometric support arm.
9. helicopter body according to claim 6, it is characterized in that described strut bar is three rigidity carbon pipes or carbon beam, two strut bars are positioned at above described tail pipe, one is positioned at below described tail pipe, the end, one end of described three strut bars is fixedly connected with a lower connecting support arm with two upper connecting support arms of Vee formation beam of the straight bar part end being arranged on described upper beam respectively, the other end converges in the middle part of described tail pipe, forms the triangular support configurations of rigidity.
10. helicopter body according to claim 7, it is characterized in that described strut bar is three rigidity carbon pipes or carbon beam, two strut bars are positioned at above described tail pipe, one is positioned at below described tail pipe, the end, one end of described three strut bars is fixedly connected with a lower connecting support arm with two upper connecting support arms of Vee formation beam of the straight bar part end being arranged on described upper beam respectively, the other end converges in the middle part of described tail pipe, forms the triangular support configurations of rigidity.
11. helicopter body according to claim 8, it is characterized in that described strut bar is three rigidity carbon pipes or carbon beam, two strut bars are positioned at above described tail pipe, one is positioned at below described tail pipe, the end, one end of described three strut bars is fixedly connected with a lower connecting support arm with two upper connecting support arms of Vee formation beam of the straight bar part end being arranged on described upper beam respectively, the other end converges in the middle part of described tail pipe, forms the triangular support configurations of rigidity.
12. helicopter body according to claim 9, it is characterized in that: also comprise lower bearing beam and bumper, the top of described foot rest has lower bearing beam, described lower bearing beam is two horizontal straight-bars or straight tube, be positioned at immediately below described upper bearing beam, on described, on lower bearing beam, correspondence is evenly equipped with described bumper, described bumper is arranged perpendicular to described upper bearing beam and lower bearing beam respectively, relative up and down, there is spacing and distribute in four directions, described bumper is connected with engine assembly respectively, between bumper, for installing change speed gear box on described upper bearing beam.
13. helicopter body according to claim 10, it is characterized in that: also comprise lower bearing beam and bumper, the top of described foot rest has lower bearing beam, described lower bearing beam is two horizontal straight-bars or straight tube, be positioned at immediately below described upper bearing beam, on described, on lower bearing beam, correspondence is evenly equipped with described bumper, described bumper is arranged perpendicular to described upper bearing beam and lower bearing beam respectively, relative up and down, there is spacing and distribute in four directions, described bumper is connected with engine assembly respectively, between bumper, for installing change speed gear box on described upper bearing beam.
14. helicopter body according to claim 11, it is characterized in that: also comprise lower bearing beam and bumper, the top of described foot rest has lower bearing beam, described lower bearing beam is two horizontal straight-bars or straight tube, be positioned at immediately below described upper bearing beam, on described, on lower bearing beam, correspondence is evenly equipped with described bumper, described bumper is arranged perpendicular to described upper bearing beam and lower bearing beam respectively, relative up and down, there is spacing and distribute in four directions, described bumper is connected with engine assembly respectively, between bumper, for installing change speed gear box on described upper bearing beam.
15. helicopter body according to claim 12, it is characterized in that: on described tail pipe, cover has tail pipe seat and tail pipe hoop, described tail pipe seat is positioned at one end of described tail pipe, there is center hole, described tail pipe is inserted in described center hole, and described center hole is installed with the center ring of rear intermediate beam of the straight bar part end being positioned at described upper beam is concentric; Described tail pipe hoop is positioned in the middle part of described tail pipe, is fixedly connected with the end of the strut bar of described convergence.
16. helicopter body according to claim 13, it is characterized in that: on described tail pipe, cover has tail pipe seat and tail pipe hoop, described tail pipe seat is positioned at one end of described tail pipe, there is center hole, described tail pipe is inserted in described center hole, and described center hole is installed with the center ring of rear intermediate beam of the straight bar part end being positioned at described upper beam is concentric; Described tail pipe hoop is positioned in the middle part of described tail pipe, is fixedly connected with the end of the strut bar of described convergence.
17. helicopter body according to claim 14, it is characterized in that: on described tail pipe, cover has tail pipe seat and tail pipe hoop, described tail pipe seat is positioned at one end of described tail pipe, there is center hole, described tail pipe is inserted in described center hole, and described center hole is installed with the center ring of rear intermediate beam of the straight bar part end being positioned at described upper beam is concentric; Described tail pipe hoop is positioned in the middle part of described tail pipe, is fixedly connected with the end of the strut bar of described convergence.
18. helicopter body according to claim 16, it is characterized in that: also comprise contracting mouth pipe collar, three connecting support arms of described triangular beam and two connecting support arms of described herringbone beam all have connecting bore, tubular beam is placed in described contracting mouth pipe collar, described contracting mouth pipe collar penetrates in described connecting bore respectively, and tubular beam comprises described upper beam, front-axle beam and upper bearing beam.
19. helicopter body according to claim 18, it is characterized in that: also comprise the short tube for connecting support arm under stable Vee formation beam and spider strut member, described short tube to be placed in described contracting mouth pipe collar and to be longer than described contracting mouth pipe collar towards the direction of head, and described contracting mouth pipe collar penetrates in the connecting bore of the lower connecting support arm of described Vee formation beam; Described spider strut member is that identical, the every sheet one end of two panels size shape is fixed on a lower bearing beam, the connection tailgate that the other end is connected with short tube by the bridge piece be placed on short tube, and the tailgate that two pieces of overlap joints are connected on bridge piece forms Eight characters structure.
20. helicopter body according to claim 19, it is characterized in that: comprise change speed gear box installing mechanism, described change speed gear box installing mechanism comprises more than two or two spaced crossbeams, change speed gear box adapter plate, gear-box side adapter plate and upper steering wheel frame adapter plate; Described every root crossbeam is connected with bearing beam cross-over connection on two; On described crossbeam, tiling has change speed gear box adapter plate, and described change speed gear box is positioned on described change speed gear box adapter plate, and described gear-box side adapter plate is positioned at the both sides of described change speed gear box, and upper beam is fixed in one end, and the other end is connected with the upper steering wheel frame be positioned at above described change speed gear box.
21. helicopter body according to claim 20, it is characterized in that: comprise buckle and mould pipe collar, described pipe collar of moulding is placed on described upper bearing beam and is fixedly connected with described crossbeam two ends, and be placed on described upper beam and be fixedly connected with described gear-box side adapter plate, the centre of front end and bridging section that described buckle is enclosed within described front-axle beam is fixedly connected with.
22. helicopter body according to claim 21, is characterized in that: described engine assembly is positioned at below described change speed gear box, and described engine assembly comprises driving engine and exports synchronizing wheel and Timing Belt; Described change speed gear box comprises change speed gear box input synchronizing wheel and coupler; Described driving engine exports that power is passed to described change speed gear box input synchronizing wheel by described Timing Belt by synchronizing wheel, described change speed gear box input synchronizing wheel is connected in series linkage with described coupler, and power is connected by described coupler and tail pipe intermediate solid drive shaft simultaneously and power is transmitted to tail.
23. 1 kinds of helicopters, is characterized in that, adopt one of claim 5-22 described helicopter body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520061952.4U CN204548477U (en) | 2015-01-28 | 2015-01-28 | Upper beam, the helicopter body adopting this upper beam and helicopter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520061952.4U CN204548477U (en) | 2015-01-28 | 2015-01-28 | Upper beam, the helicopter body adopting this upper beam and helicopter |
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| Publication Number | Publication Date |
|---|---|
| CN204548477U true CN204548477U (en) | 2015-08-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520061952.4U Expired - Fee Related CN204548477U (en) | 2015-01-28 | 2015-01-28 | Upper beam, the helicopter body adopting this upper beam and helicopter |
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| Country | Link |
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| CN (1) | CN204548477U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104554700A (en) * | 2015-01-28 | 2015-04-29 | 张伟 | Upper beam, helicopter airframe adopting same and helicopter |
| CN106892083A (en) * | 2017-04-12 | 2017-06-27 | 北京建中数字科技有限公司 | A kind of bionical frame for intersecting twin-rotor helicopter |
| CN108725744A (en) * | 2017-04-21 | 2018-11-02 | 上海龙云铝业有限公司 | A kind of hollow arch truss airframe structure of unmanned helicopter |
-
2015
- 2015-01-28 CN CN201520061952.4U patent/CN204548477U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104554700A (en) * | 2015-01-28 | 2015-04-29 | 张伟 | Upper beam, helicopter airframe adopting same and helicopter |
| CN104554700B (en) * | 2015-01-28 | 2017-11-17 | 张伟 | Upper beam, helicopter body and helicopter using the upper beam |
| CN106892083A (en) * | 2017-04-12 | 2017-06-27 | 北京建中数字科技有限公司 | A kind of bionical frame for intersecting twin-rotor helicopter |
| CN106892083B (en) * | 2017-04-12 | 2023-11-21 | 北京清航紫荆装备科技有限公司 | Bionic rack of crossed double-rotor helicopter |
| CN108725744A (en) * | 2017-04-21 | 2018-11-02 | 上海龙云铝业有限公司 | A kind of hollow arch truss airframe structure of unmanned helicopter |
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