WO2023272445A1 - 机框、脚架及无人飞行器 - Google Patents
机框、脚架及无人飞行器 Download PDFInfo
- Publication number
- WO2023272445A1 WO2023272445A1 PCT/CN2021/102802 CN2021102802W WO2023272445A1 WO 2023272445 A1 WO2023272445 A1 WO 2023272445A1 CN 2021102802 W CN2021102802 W CN 2021102802W WO 2023272445 A1 WO2023272445 A1 WO 2023272445A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- support
- machine frame
- support rod
- rod
- support members
- Prior art date
Links
- 239000000463 material Substances 0.000 claims abstract description 116
- 230000035939 shock Effects 0.000 claims description 75
- 239000006096 absorbing agent Substances 0.000 claims description 68
- 238000012546 transfer Methods 0.000 claims description 14
- 229920000049 Carbon (fiber) Polymers 0.000 claims description 12
- 239000004917 carbon fiber Substances 0.000 claims description 12
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 12
- 230000003139 buffering effect Effects 0.000 claims description 11
- 238000013016 damping Methods 0.000 claims description 10
- 229910000838 Al alloy Inorganic materials 0.000 claims description 9
- 230000007704 transition Effects 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 7
- 230000008569 process Effects 0.000 claims description 6
- 238000000465 moulding Methods 0.000 claims description 4
- 239000011152 fibreglass Substances 0.000 claims description 3
- 230000008901 benefit Effects 0.000 description 7
- 239000000306 component Substances 0.000 description 7
- 230000009286 beneficial effect Effects 0.000 description 5
- 239000008358 core component Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 238000013461 design Methods 0.000 description 4
- 238000001746 injection moulding Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 239000000758 substrate Substances 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000012778 molding material Substances 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C25/00—Alighting gear
- B64C25/02—Undercarriages
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C25/00—Alighting gear
- B64C25/32—Alighting gear characterised by elements which contact the ground or similar surface
Definitions
- the present disclosure relates to the technical field of unmanned aerial vehicles, in particular, to a machine frame, a tripod and an unmanned aerial vehicle.
- the frame of the unmanned aerial vehicle is a frame structure that bears the overall weight of the unmanned aerial vehicle. It must meet a certain degree of rigidity to facilitate the control of the whole machine. However, in order to meet the rigidity requirement, the weight of the chassis in the related art is relatively large, which affects the battery life.
- Embodiments of the present disclosure provide a machine frame including supporting components made of different materials, so as to integrate characteristics of different materials, and effectively solve problems existing in related technologies.
- the present disclosure provides a machine frame, which is applied to an unmanned aerial vehicle.
- the machine frame includes at least one supporting member, and the at least one supporting member forms a frame structure; each of the supporting members includes: a first supporting part and a second supporting member.
- the density of the first material is greater than the density of the second material, and the elastic modulus of the first material is smaller than the elastic modulus of the second material.
- the first material is aluminum alloy.
- the second material is carbon fiber.
- the machine frame includes at least two support members, and at least two support members are connected end to end to form the frame structure; each support member includes:
- At least two second support members the adjacent first support members are connected through the second support members, so that the at least two first support members and the at least two second support members are arranged end to end, to form a tubular structure.
- each of the first supporting members includes a base plate and a connecting portion extending along the side of the base plate, the connecting portion is in the shape of a plate, and the two sides of the second supporting member respectively overlap The connection parts of the different first support members are connected.
- the second support member is in the shape of a plate
- the connecting portion is perpendicular to the base plate, and the two second support members are interposed between the two base plates of the two first support members to form a rectangular tubular structure.
- the first support member has a hollow structure.
- the hollow structure is disposed on the connecting portion.
- the machine frame includes at least two support members, and at least two support members are connected end to end to form the frame structure; the machine frame further includes at least one transition two adjacent supporting members are respectively connected to the same adapter.
- each of the adapters is made of the first material or the second material.
- the machine frame includes at least two adapters, and at least two support members are arranged end-to-end through at least two adapters.
- each of the support members is a tubular structure, and two adjacent support members are respectively a first support member and a second support member;
- Each of the adapters includes a first adapter part and a second adapter part, the first adapter part is accommodated in the first support member, and the second adapter part is accommodated in the second within the support structure.
- each support member includes:
- Two second supporting parts the adjacent first supporting parts are connected by the second supporting parts, so that the two first supporting parts and the two second supporting parts are connected end to end to form a the tubular structure.
- one of the first supporting parts of the first supporting member is provided with an opening, the adapter piece is passed through the opening, and the first adapter part abuts against another of said first support members of said first support member;
- Both ends of one of the first supporting parts of the second supporting member are provided with extension plates, the extending plates protrude from the end surface of the second supporting member, and one end surface of the first supporting member abuts against on the extension board.
- each of the first support members includes a base plate and connection portions provided on two opposite sides of the base plate; the connection portions and the second support members are plate-shaped structure;
- the adjacent connecting portions of the two first supporting components are respectively overlapped on both sides of the second supporting component.
- each of the adapters is a rectangular tubular structure
- connection parts of the first support member and one of the second support parts are connected to the first side wall of the first transfer part through a fastener, and the other pair of the connection parts and the second support part are connected to each other by a fastener.
- the other second support component is connected to the third side wall of the first transition part through a fastener;
- One pair of the connecting parts of the second supporting member and one of the second supporting parts are connected to the first side wall of the second transfer part through fasteners, and the other pair of connecting parts and The other second support member is connected to the third side wall of the second transfer portion through a fastener;
- the second side wall of the first transition part is connected to the extension plate of the second supporting member
- first side wall and the third side wall are arranged opposite to each other, and the two ends of the second side wall are respectively connected to the first side wall and the third side wall.
- the number of the support members is four, and two adjacent support members are perpendicular to each other to enclose a rectangular frame structure.
- the machine frame provided by the present disclosure is applied to an unmanned aerial vehicle, and the machine frame includes at least two support members, and the at least two support members are connected end to end to form a frame structure;
- a part of the support member includes a first material, and another part of the support member includes a second material;
- the first material is different from the second material.
- the density of the first material is greater than the density of the second material, and the elastic modulus of the first material is smaller than the elastic modulus of the second material.
- the first material is aluminum alloy.
- the second material is carbon fiber.
- the machine frame further includes at least two adapters, and two adjacent support members are respectively connected to the same adapter, so that the at least two support members pass through The at least two adapters are arranged end to end.
- each of the adapters is made of the first material or the second material.
- the tripod provided by the present disclosure is applied to an unmanned aerial vehicle, and the tripod includes at least two legs, each of which includes:
- a first support rod one end of which is connected to the main body of the unmanned aerial vehicle
- the second support rod is in contact with the first support rod in the axial direction
- the first shock absorber is arranged between the two opposite end surfaces of the first support rod and the second support rod, and is used for buffering the force between the first support rod and the second support rod ;as well as
- the second shock absorber is connected to the end of the second support rod away from the first support rod, and is used for buffering the force between the second support rod and the landing ground.
- both the first shock absorber and the second shock absorber are made of damping rubber.
- each of the supporting feet further includes a first adapter sleeve, and the first adapter sleeve is sleeved on the outside of the first support rod and/or the second support rod, and is connected with The first support rod or the second support rod cooperates to define the position of the first shock absorber.
- the first adapter sleeve includes a sleeve and a stopper, and the stopper is protruded from the inner wall of the sleeve;
- the first support rod is located on one side of the stop part
- the second support rod is located on the other side of the stop part
- at least part of the first shock absorber is located on the stop part. between the first support rod and the stopper.
- the stop portion is disposed on an end surface of the sleeve close to the second support rod.
- the second support rod is detachably connected to the first shock absorber.
- the first shock absorber has a first threaded portion
- the second support rod has a second threaded portion
- the first threaded portion and the second threaded portion threaded connection
- one of the first threaded portion and the second threaded portion is a nut, and the other is a screw.
- the first shock absorber further includes a shock absorber, and the shock absorber and the first threaded portion are connected through an in-mold molding process.
- the shock absorber is made of damping rubber.
- the second support rod further includes a rod portion, and the rod portion has an abutment surface facing the position of the first support rod, and the abutment surface can be connected with the first reducing rod.
- the vibrating elements are in contact with each other, and the second threaded portion is exposed on the contact surface.
- the rod part includes a rod body and a covering body, and the covering body covers an end part of the rod body close to the first support rod and a part of the second screw connection part, The position of the covering body facing the first support rod forms the abutment surface.
- the rod body, the covering body and the second threaded portion are connected by an in-mold forming process.
- the number of the at least two legs is an even number, and they are arranged in pairs;
- the second shock absorber includes at least one landing rod, each of which includes two landing parts and a deformation part, the two landing parts are arranged at both ends of the landing rod, and the deformation part is arranged on between two said landings;
- the landing part is connected to an end of the second support rod away from the first support rod, and when the landing part lands, the deformation part can deform to buffer the gap between the second support rod and the landing ground. force.
- the landing rod is made of fiberglass material.
- the tripod further includes at least one connecting rod
- Each of the legs also includes at least one second adapter sleeve, the second adapter sleeve is connected to the first adapter sleeve;
- each connecting rod Two ends of each connecting rod are respectively connected to two adjacent second adapter sleeves, so as to fix two adjacent legs.
- both the first support rod and the second support rod are made of carbon fiber material.
- the axis of the first support rod, the axis of the second support rod and the axis of the first adapter sleeve are coincident.
- the unmanned aerial vehicles of the present disclosure include:
- a central body including the machine frame described in any one of the above;
- the tripod is connected to the machine frame.
- the unmanned aerial vehicles of the present disclosure include:
- the central body The central body;
- the tripod according to any one of the above, wherein the tripod is connected to the central body.
- the unmanned aerial vehicles of the present disclosure include:
- a central body including the machine frame described in any one of the above;
- the tripod according to any one of the above, wherein the tripod is connected to the central body.
- the support member can reflect the characteristics of two different materials, such as taking into account strength, stiffness, weight, and cost and other factors, compared with the support member made of one material in the related art, the machine frame of the present disclosure can choose to combine different materials according to the design requirements, so as to integrate the characteristics of different materials.
- FIG. 1 shows a schematic structural diagram of the machine frame and the stand of the present disclosure after installation.
- Fig. 2 shows an exploded schematic diagram of a chassis of the present disclosure.
- Fig. 3 shows an exploded schematic view of the tripod of the present disclosure.
- FIG. 4 shows a schematic cross-sectional view along X-X in FIG. 1 .
- FIG. 5 shows a partially enlarged view at A in FIG. 4 .
- Fig. 6 shows a schematic structural view of the landing rod of the present disclosure.
- Example embodiments will now be described more fully with reference to the accompanying drawings.
- Example embodiments may, however, be embodied in many forms and should not be construed as limited to the embodiments set forth herein; rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of example embodiments to those skilled in the art.
- the same reference numerals in the drawings denote the same or similar structures, and thus their detailed descriptions will be omitted.
- FIG. 1 shows a schematic structural diagram of the machine frame and the tripod of the present disclosure after installation.
- Fig. 2 shows an exploded schematic diagram of a chassis of the present disclosure.
- the main frame of the unmanned aerial vehicle includes a frame 1 and a stand 2 .
- the frame 1 is used to carry the core components of the unmanned aerial vehicle, and the tripod 2 is connected to the frame 1 to support the unmanned aerial vehicle on the landing ground when it lands.
- the machine frame 1 includes at least one supporting member 100, and the at least one supporting member 100 forms a frame structure.
- the shape of the frame structure may be polygonal, such as triangular, quadrilateral, pentagonal, hexagonal, etc.
- the number of support members 100 may be one, two, three, four or other numbers.
- the support member 100 when the number of the support member 100 is one, the support member 100 itself forms the aforementioned frame structure. When the number of support members 100 is two or more, a plurality of support members 100 are connected end to end to form the frame structure.
- each support member 100 may be formed in an L shape.
- Two L-shaped support members 100 are connected end to end to form the frame structure.
- each supporting member 100 may also be a long strip structure, and a plurality of long strip-shaped supporting members 100 are connected end to end to form a polygonal frame structure together.
- the number of support members 100 is four, and two adjacent support members 100 are perpendicular to each other to form a rectangular frame structure.
- each support member 100 includes a first support part 110 and a second support part 120 .
- the first support member 110 includes a first material
- the second support member 120 is connected to the first support member 110 and includes a second material. Wherein, the first material is different from the second material.
- the support member 100 can reflect the characteristics of two different materials, such as taking into account the strength and stiffness. , weight, cost and other factors, compared with the support member 100 made of one material in the related art, the machine frame 1 of the present disclosure can choose to combine different materials according to design requirements, so as to integrate the characteristics of different materials.
- the density of the first material is greater than that of the second material, and the elastic modulus of the first material is smaller than the elastic modulus of the second material.
- the first material is aluminum alloy
- the second material is carbon fiber
- the frames of unmanned aerial vehicles are mostly made of integral injection molding materials, carbon tube splicing or all-aluminum materials.
- the machine frame made of integral injection molding material has poor overall rigidity and impact resistance of the machine frame, poor controllability of the whole machine, and high maintenance cost after frying;
- the machine frame made of carbon tube splicing due to the The cost is relatively high, so the manufacturing and maintenance costs of the machine frame will be very high;
- the machine frame made of all-aluminum material has a large weight, which leads to the problem of insufficient battery life of the whole machine.
- the first material is limited to aluminum alloy
- the second material is limited to carbon fiber.
- the high modulus of the material itself is used to ensure the bending stiffness and impact strength of the machine frame 1. Ensuring the high rigidity, high strength and low weight of the frame 1 improves the maneuverability and endurance of the aircraft, and reduces the manufacturing and maintenance costs of the frame 1 .
- the machine frame 1 includes at least two support members 100 , and the at least two support members 100 are connected end to end to form a frame structure.
- Each supporting member 100 includes at least two first supporting parts 110 and at least two second supporting parts 120, adjacent first supporting parts 110 are connected by the second supporting parts 120, so that at least two first supporting parts 110 and At least two second support members 120 are connected end to end to form a tubular structure.
- each support member 100 is specifically defined, and the support member 100 is designed as a tubular structure, which can ensure the torsional rigidity of the support member 100 .
- each supporting member 100 includes two first supporting parts 110 and two second supporting parts 120 , and the two first supporting parts 110 are connected through the second supporting parts 120 .
- Each first supporting member 110 includes a base plate 111 and a connecting portion 112 extending along the side of the base plate 111.
- the connecting portion 112 is plate-shaped, and the two sides of the second supporting member 120 are overlapped with different first supporting members 110 respectively.
- both sides of the second support member 120 may be connected to different connecting portions 112 of the first support member 110 by fasteners, such as bolts.
- each first support member 110 is elongated and located on the same side of the substrate 111 , so that the first support member 110 roughly forms a C-shape.
- the second supporting member 120 has a plate shape.
- the connecting portion 112 is perpendicular to the base plate 111 , and the two second support members 120 are sandwiched between the two base plates 111 of the two first support members 110 to form a rectangular tubular structure.
- the first support member 110 has a hollow structure 113 .
- the weight of the machine frame 1 is further reduced.
- the hollow structure 113 is disposed on the connecting portion 112 .
- the machine frame 1 further includes at least one adapter 200 , and two adjacent support members 100 are respectively connected to the same adapter 200 .
- the number of adapters 200 may be the same as the number of support members 100 , or the number of adapters 200 is less than the number of support members 100 . Specifically:
- two adjacent support members 100 are connected by one adapter 200 .
- two adjacent support members 100 can be connected not only by adapters 200 , but also by welding.
- the machine frame 1 includes four support members 100 and four adapters 200, and two adjacent support members 100 are connected through the adapters 200, so that the four support members 100 and the four adapters 200 set end to end.
- each adapter 200 is made of the first material or the second material.
- the first material can be aluminum alloy, and the second material can be carbon fiber.
- each adapter 200 may include the first material; or, each adapter 200 may include the second material; or, a part The adapter 200 includes the first material, and the remaining adapter 200 includes the second material.
- two adjacent support members 100 are defined as a first support member 101 and a second support member 102 respectively.
- Each adapter 200 includes a first adapter portion 210 and a second adapter portion 220, the first adapter portion 210 is accommodated in the first support member 101, and the second adapter portion 220 is accommodated in the second support member 102 .
- the adapter 200 does not exposed, but hidden between two adjacent supporting members 100 .
- the compactness of the machine frame 1 is improved, and on the other hand, the machine frame 1 is also more beautiful.
- one of the first supporting parts 110 of the first supporting member 100 is provided with an opening 114 .
- the two first supporting parts 110 of the first supporting member 100 are disposed opposite to each other, and the two ends of the base plate 111 of the inner first supporting part 110 are respectively provided with the openings 114 .
- the adapter 200 passes through the opening 114 such that the first adapter portion 210 of the adapter 200 protrudes into the first support member 101 .
- the first transfer portion 210 abuts against another first supporting part 110 (the first supporting part 110 located outside) of the first supporting member 101 .
- Two ends of one of the first supporting parts 110 of the second supporting member 102 are provided with extension plates 115 .
- the two first supporting parts 110 of the second supporting member 102 are disposed opposite to each other, and the two ends of the base plate 111 of the first supporting part 110 located outside are respectively provided with extension plates 115 .
- the extension plate 115 extends along the plane of the base plate 111 .
- the extension plate 115 protrudes from the end surface of the second support member 102 and abuts against an end surface of the first support member 101 .
- each adapter 200 is a rectangular tubular structure, including a first side wall 201 , a second side wall 202 , a third side wall 203 and a fourth side wall 204 connected in sequence.
- the first side wall 201 is opposite to the third side wall 203
- the second side wall 202 is opposite to the fourth side wall 204 .
- Two ends of the second side wall 202 are connected to one end of the first side wall 201 and the third side wall 203 respectively, and two ends of the fourth side wall 204 are respectively connected to the other end of the first side wall 201 and the third side wall 203 .
- connection parts 112 of the first support member 101 and one of the second support parts 120 are connected to the first side wall 201 of the first transfer part 210 through fasteners, and the other pair of connection parts 112 and the other second The support member 120 is connected to the third side wall 203 of the first transfer portion 210 through fasteners.
- One of the pair of connecting parts 112 of the second support member 102 and one of the second supporting parts 120 are connected to the first side wall 201 of the second transition part 220 through fasteners, and the other pair of connecting parts 112 and the other second The support component 120 is connected to the third side wall 203 of the second transfer portion 220 through fasteners.
- the second side wall 202 of the first transfer portion 210 is connected to the extension plate 115 of the second support member 102 .
- the thickness of the connecting portion 112 of the same first support member 110 is smaller than the thickness of the substrate 111 of the first support member 110 .
- the machine frame 1 includes at least two support members 100, and the at least two support members 100 are connected end to end to form a frame structure.
- a part of the support member 100 includes a first material
- another part of the support member 100 includes a second material; the first material is different from the second material.
- the shape of the frame structure may be polygonal, such as triangular, quadrilateral, pentagonal, hexagonal, etc.
- the number of support members 100 may be two, three, four or other numbers.
- each support member 100 may be formed in an L shape.
- Two L-shaped support members 100 are connected end to end to form the frame structure.
- each supporting member 100 may also be a long strip structure, and a plurality of long strip-shaped supporting members 100 are connected end to end to form a polygonal frame structure together.
- the number of support members 100 is four, and two adjacent support members 100 are perpendicular to each other to form a rectangular frame structure.
- two support members 100 may comprise a first material and two other support members 100 may comprise a second material.
- the supporting members 100 including the first material are alternately arranged with the supporting members 100 including the second material.
- the density of the first material is greater than that of the second material, and the elastic modulus of the first material is smaller than the elastic modulus of the second material.
- the first material is aluminum alloy
- the second material is carbon fiber
- the frame 1 further includes at least two adapters 200 , and two adjacent support members 100 are respectively connected to the same adapter 200 , so that at least two support members 100 are arranged end to end through at least two adapters 200 .
- Each adapter 200 is made of either the first material or the second material.
- FIG. 3 shows an exploded schematic view of the tripod of the present disclosure.
- the tripod 2 of the present disclosure includes at least two legs 20 , and each leg 20 includes a first support rod 310 , a second support rod 320 , a first shock absorber 400 and a second shock absorber 500 .
- first support rod 310 is connected to the main body of the UAV; the second support rod 320 is connected to the first support rod 310 in the axial direction; the first shock absorber 400 is arranged on the first support rod 310 and the second support rod Between the two opposite end surfaces of the rod 320, it is used to buffer the force between the first support rod 310 and the second support rod 320; One end is used for buffering the force between the second support rod 320 and the landing ground.
- the first shock absorber 400 is arranged between the first support rod 310 and the second support rod 320 to buffer the force between the first support rod 310 and the second support rod 320
- the second shock absorber 500 is arranged at the end of the second support rod 320 away from the first support rod 310, which is a technical means for buffering the force between the second support rod 320 and the landing ground, so that when the tripod 2 lands , capable of achieving a secondary damping effect.
- first shock absorber 400 of the tripod 2 of the present disclosure is located between the first support rod 310 and the second support rod 320, and one end of the first support rod 310 is connected to the main body of the UAV, so that the first shock absorber There is also a hard support between the shock element 400 and the main body of the aircraft. When the aircraft lands under a large impact force, it can avoid damage to the core components of the aircraft due to the failure of the shock absorber.
- both the first shock absorber 400 and the second shock absorber 500 are made of damping rubber.
- the first shock absorber 400 and the second shock absorber 500 are made of damping rubber.
- the shock absorber By designing the shock absorber to be made of damping rubber, on the one hand, it can play a shock absorbing and buffering role, and on the other hand, it can prevent the aircraft from bouncing upward when landing.
- both the first support rod 310 and the second support rod 320 are made of carbon fiber material.
- the advantage of this design is that on the basis of ensuring the rigidity of the first support rod 310 and the second support rod 320 , it can also reduce the weight of the stand 2 and improve the endurance of the aircraft.
- the number of supporting legs 20 is four.
- An end of the first support rod 310 of each support leg 20 away from the second support rod 320 is connected to the machine frame 1 , for example, the first support rod 310 is connected to the machine frame 1 through a connecting piece 900 .
- the four legs 20 are radially connected to the machine frame 1 , and two adjacent legs 20 are connected by connecting rods 800 , and the four connecting rods 800 together form a square-shaped frame.
- the number of supporting feet 20 can also be two, three or other numbers, which are not specifically limited here.
- each leg 20 also includes a first adapter sleeve 600 , the first adapter sleeve 600 is sleeved on the outside of the first support rod 310 and/or the second support rod 320 , and is connected to the first support rod 310 and/or the second support rod 320 .
- a support rod 310 or a second support rod 320 cooperate to define the position of the first shock absorber 400 .
- the first adapter sleeve 600 is sleeved on the outside of the first support rod 310, and cooperates with the first support rod 310 to limit the position of the first shock absorber 400; or, the first adapter sleeve 600 is sleeved on the outside of the second support rod 320, and cooperates with the second support rod 320 to define the position of the first shock absorber 400; or, the first adapter sleeve 600 is sleeved on the first support rod 310 and the outside of the second support rod 320 , and cooperate with the first support rod 310 or the second support rod 320 to define the position of the first shock absorber 400 .
- the axis of the first support rod 310 , the axis of the second support rod 320 and the axis of the first adapter sleeve 600 are coincident.
- the reaction force given by the ground can be transmitted along the axis of the first support rod 310 and the second support rod 320 to prevent component forces from other directions from acting on the support rods, thereby causing damage to the support rods.
- FIG. 5 shows a partial enlarged view at point A in FIG. 4 .
- the first adapter sleeve 600 includes a sleeve 610 and a stopper 620 , and the stopper 620 protrudes from an inner wall of the sleeve 610 .
- the sleeve 610 is sleeved on the outside of the first support rod 310 , such as through interference fit or fastening.
- the first support rod 310 is located on one side of the stop portion 620
- the second support rod 320 is located on the other side of the stop portion 620
- at least part of the first shock absorber 400 is located between the first support rod 310 and the stop portion 620. between the stoppers 620 .
- part of the first shock absorber 400 is interposed between the stop portion 620 and the end surface of the first support rod 310 facing the second support rod 320 .
- a space is formed between the end surface of the first support rod 310 facing the second support rod 320 and the stop portion 620 , and the space is used for accommodating part of the first shock absorber 400 .
- the stop portion 620 is provided on the end surface of the sleeve 610 close to the second support rod 320 , so that part of the first shock absorber 400 can be accommodated in the sleeve 610 , and the other part of the first shock absorber 400 is exposed to the outside. stopper 620 .
- the exposed portion of the first shock absorber 400 is used to abut against the second support rod 320 .
- the second support rod 320 is detachably connected to the first shock absorber 400 .
- the first shock absorber 400 has a first threaded portion 410
- the second support rod 320 has a second threaded portion 321
- the first threaded portion 410 and the second threaded portion Part 321 is threaded.
- the detachable connection manner between the second support rod 320 and the first shock absorber 400 may also adopt a buckle connection or the like.
- One of the first threaded portion 410 and the second threaded portion 321 is a nut, and the other is a screw.
- first threaded portion 410 is a nut
- second threaded portion 321 is a screw
- the first shock absorber 400 further includes a shock absorber 420 , one end of the shock absorber 420 abuts against the first support rod 310 , and the other end abuts against the second support rod 320 .
- the shock absorber 420 is connected to the first threaded portion 410 through an in-mold molding process.
- the shock absorber 420 is made of damping rubber.
- shock absorber 420 and the first threaded portion 410 may be connected through an in-mold injection molding process, but not limited thereto.
- the second support rod 320 further includes a rod portion 322 , and the rod portion 322 has an abutment surface 3221 facing the position of the first support rod 310 . In contact with each other, the second threaded portion 321 is exposed on the abutting surface 3221 .
- the rod part 322 includes a rod body 3222 and a covering body 3223.
- the covering body 3223 covers one end of the rod body 3222 close to the first support rod 310 and part of the second threaded part 321.
- the covering body 3223 faces the first support
- the position of the rod 310 forms an abutment surface 3221 .
- the rod body 3222 , the covering body 3223 and the second threaded portion 321 are connected by an in-mold molding process.
- the rod body 3222 , the covering body 3223 and the second threaded portion 321 may be connected through an in-mold injection molding process, but not limited thereto.
- the tripod 2 further includes at least one connecting rod 800 .
- Each leg 20 also includes at least one second adapter sleeve 700, and the second adapter sleeve 700 is connected to the first adapter sleeve 600; the two ends of each connecting rod 800 are respectively connected to two adjacent second adapter sleeves. Set 700 to fix two adjacent legs 20.
- each first adapter sleeve 600 is respectively provided with two second adapter sleeves 700 arranged at an angle, and the two second adapter sleeves 700 are used to respectively connect two connecting rods 800 .
- the second shock absorber 500 may be roughly a hollow sphere. When the second shock-absorbing member 500 lands, the hollow sphere is more likely to deform, and the shock-absorbing effect is better.
- FIG. 6 shows a schematic structural diagram of the landing rod of the present disclosure.
- the second shock absorber 500 includes at least one landing rod 510, each landing rod 510 includes two landing parts 511 and deformation parts 512, the two landing parts 511 are arranged at both ends of the landing rod 510, and the deformation parts 512 are arranged at two Between the landing parts 511.
- the landing portion 511 is connected to an end of the second support rod 320 away from the first support rod 310 .
- the landing portion 511 When the tripod 2 lands, the landing portion 511 is in contact with the ground, and the deformation portion 512 can be deformed. Through the deformation of the deformation portion 512, the force between the second support rod 320 and the landing ground is buffered.
- the number of at least two legs 20 is even and arranged in pairs.
- Two landing portions 511 of one landing pole 510 are respectively connected to two second support poles 320 arranged in pairs.
- the landing pole 510 is made of fiberglass material, although not limited thereto.
- an unmanned aerial vehicle including: a central body, a plurality of arms, a plurality of rotor devices and a stand 2 .
- the center body includes the machine frame 1 of any of the above-mentioned embodiments; a plurality of arms are respectively connected to the outer periphery of the center body; a plurality of rotor devices are installed on the plurality of arms respectively;
- the unmanned aerial vehicle of the embodiment of the present disclosure since it includes the machine frame 1 of any of the above-mentioned embodiments, the unmanned aerial vehicle of the embodiment of the present disclosure has all the advantages and beneficial effects of any of the above-mentioned embodiments, which will not be repeated here.
- an unmanned aerial vehicle including: a central body, multiple arms, multiple rotor devices, and the stand 2 of any one of the above-mentioned embodiments.
- a plurality of arms are respectively connected to the outer periphery of the central body; a plurality of rotor devices are respectively installed on the plurality of arms; the tripod 2 is connected to the central body.
- the unmanned aerial vehicle of the embodiment of the present disclosure has all the advantages and beneficial effects of any of the above-mentioned embodiments, which will not be repeated here.
- an unmanned aerial vehicle including: a central body, a plurality of arms, a plurality of rotor devices, and the stand 2 of any one of the above-mentioned embodiments.
- the central body includes the machine frame 1 of any of the above-mentioned embodiments; a plurality of arms are respectively connected to the outer periphery of the central body; a plurality of rotor devices are respectively installed on the plurality of arms; and the tripod 2 is connected to the central body.
- the unmanned aerial vehicle of the embodiment of the present disclosure has all the advantages and beneficial effects of any of the above-mentioned embodiments, and will not be repeated here.
- the support member 100 by defining the support member 100 as a first support member 110 and a second support member 120 made of different materials, the support member 100 can reflect the characteristics of two different materials, such as taking into account strength, Compared with the support member 100 made of one material in the related art due to factors such as stiffness, weight, and cost, the machine frame 1 of the present disclosure can choose to combine different materials according to design requirements, so as to integrate the characteristics of different materials.
- the first shock absorber 400 is arranged between the first support rod 310 and the second support rod 320 to buffer the force between the first support rod 310 and the second support rod 320
- the second shock absorber 500 is arranged at the end of the second support rod 320 away from the first support rod 310, which is a technical means for buffering the force between the second support rod 320 and the landing ground, so that when the tripod 2 lands , capable of achieving a secondary damping effect.
- first shock absorber 400 of the tripod 2 of the present disclosure is located between the first support rod 310 and the second support rod 320, and one end of the first support rod 310 is connected to the main body of the UAV, so that the first shock absorber There is also a hard support between the shock element 400 and the main body of the aircraft. When the aircraft lands under a large impact force, it can avoid damage to the core components of the aircraft due to the failure of the shock absorber.
- connection can be fixed connection, detachable connection, or integral connection; “connection” can be directly or indirectly through an intermediary.
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Abstract
一种机框、脚架及无人飞行器，机框（1）包括至少一个支撑构件（100），至少一个支撑构件（100）形成一框架结构；每个支撑构件（100）包括：第一支撑部件（110）和第二支撑部件（120），第一支撑部件包括第一材料；第二支撑部件连接于第一支撑部件，且包括第二材料；其中，第一材料与第二材料不同。
Description
本公开涉及无人飞行器技术领域，具体而言，涉及一种机框、脚架及无人飞行器。
无人飞行器的机框是承载无人飞行器整体重量的框架结构，其要满足一定的刚度，以便于整机操控。然而，为了达到刚度要求，相关技术中的机框的重量均较大，影响续航能力。
公开内容
本公开实施例提供一种包括由不同材料制成的支撑部件的机框，以融合不同材料的特性，有效解决了相关技术中存在的问题。
本公开提供一种机框，应用于无人飞行器，所述机框包括至少一个支撑构件，所述至少一个支撑构件形成一框架结构；每个所述支撑构件包括：第一支撑部件和第二支撑部件，第一支撑部件包括第一材料；第二支撑部件连接于所述第一支撑部件，且包括第二材料；其中，所述第一材料与所述第二材料不同。
根据本公开的一实施方式，所述第一材料的密度大于所述第二材料的密度，所述第一材料的弹性模量小于所述第二材料的弹性模量。
根据本公开的一实施方式，所述第一材料为铝合金。
根据本公开的一实施方式，所述第二材料为碳纤维。
根据本公开的一实施方式，所述机框包括至少两个所述支撑构件，至少两个所述支撑构件首尾相连设置，以合围成所述框架结构；每个所述支撑构件包括：
至少两个第一支撑部件；以及
至少两个第二支撑部件，相邻的所述第一支撑部件通过所述第二支撑部件连接，使得所述至少两个第一支撑部件与所述至少两个第二支撑部件首尾相连设置，以合围成一管状结构。
根据本公开的一实施方式，每个所述第一支撑部件包括基板和沿所述基板的侧边延伸的连接部，所述连接部呈板状，所述第二支撑部件的两侧分别搭接有不同的所述第一支撑部件的所述连接部。
根据本公开的一实施方式，所述第二支撑部件呈板状；
所述连接部垂直于所述基板，两个所述第二支撑部件夹设于两个所述第一支撑部件的两个所述基板之间，以形成一矩形管状结构。
根据本公开的一实施方式，所述第一支撑部件具有镂空结构。
根据本公开的一实施方式，所述镂空结构设于所述连接部上。
根据本公开的一实施方式，所述机框包括至少两个所述支撑构件，至少两个所述支撑构件首尾相连设置，以合围成所述框架结构；所述机框还包括至少一个转接件，相邻的两个所述支撑构件分别连接于同一个所述转接件。
根据本公开的一实施方式，每个所述转接件由第一材料或第二材料制成。
根据本公开的一实施方式，所述机框包括至少两个所述转接件，至少两个所述支撑构件通过至少两个所述转接件首尾相连设置。
根据本公开的一实施方式，每个所述支撑构件为一管状结构，相邻的两个所述支撑构件分别为第一支撑构件和第二支撑构件；
每个所述转接件包括第一转接部和第二转接部，所述第一转接部收容于所述第一支撑构件内，所述第二转接部收容于所述第二支撑构件内。
根据本公开的一实施方式，每个所述支撑构件包括：
两个第一支撑部件；以及
两个第二支撑部件，相邻的所述第一支撑部件通过所述第二支撑部件连接，使得所述两个第一支撑部件与所述两个第二支撑部件首尾相连设置，以合围成所述管状结构。
根据本公开的一实施方式，所述第一支撑构件的其中一个所述第一支撑部件设有开口，所述转接件穿设于所述开口，且所述第一转接部抵接于所述第一支撑构件的另一个所述第一支撑部件；
所述第二支撑构件的其中一个所述第一支撑部件的两端设有延伸板，所述延伸板凸出于所述第二支撑构件的端面，所述第一支撑构件的一端面抵接于所述延伸板。
根据本公开的一实施方式，每个所述第一支撑部件包括基板和设于所述基板的两个相对的侧边的连接部；所述连接部和所述第二支撑部件均为板状结构；
两个所述第一支撑部件的相邻的所述连接部分别搭接于所述第二支撑部件的两侧。
根据本公开的一实施方式，每个所述转接件为矩形管状结构；
所述第一支撑构件的其中一对所述连接部和其中一个所述第二支撑部件通过紧固件连接于所述第一转接部的第一侧壁，另一对所述连接部和另一个所述第二支撑部件通过紧 固件连接于所述第一转接部的第三侧壁；
所述第二支撑构件的其中一对所述连接部和其中一个所述第二支撑部件通过紧固件连接于所述第二转接部的第一侧壁，另一对所述连接部和另一个所述第二支撑部件通过紧固件连接于所述第二转接部的第三侧壁；
所述第一转接部的第二侧壁连接于第二支撑构件的所述延伸板；
其中，所述第一侧壁和所述第三侧壁相对设置，所述第二侧壁的两端分别连接于所述第一侧壁和所述第三侧壁。
根据本公开的一实施方式，所述支撑构件的数量为四个，相邻的两个所述支撑构件相互垂直，以合围成一矩形框架结构。
本公开提供的机框，应用于无人飞行器，所述机框包括至少两个支撑构件，所述至少两个支撑构件首尾相连设置，以合围成一框架结构；
其中，一部分所述支撑构件包括第一材料，另一部分所述支撑构件包括第二材料；
其中，所述第一材料与所述第二材料不同。
根据本公开的一实施方式，所述第一材料的密度大于所述第二材料的密度，所述第一材料的弹性模量小于所述第二材料的弹性模量。
根据本公开的一实施方式，所述第一材料为铝合金。
根据本公开的一实施方式，所述第二材料为碳纤维。
根据本公开的一实施方式，所述机框还包括至少两个转接件，相邻的两个所述支撑构件分别连接于同一个所述转接件，使得所述至少两个支撑构件通过所述至少两个转接件首尾相连设置。
根据本公开的一实施方式，每个所述转接件由第一材料或第二材料制成。
本公开提供的脚架，应用于无人飞行器，所述脚架包括至少两个支脚，每个所述支脚包括：
第一支撑杆，一端连接于所述无人飞行器的主体；
第二支撑杆，与所述第一支撑杆沿轴向方向相对接；
第一减震件，设于所述第一支撑杆和所述第二支撑杆的两个相对的端面之间，用于缓冲所述第一支撑杆和所述第二支撑杆间的作用力；以及
第二减震件，连接于所述第二支撑杆远离所述第一支撑杆的一端，用于缓冲所述第二支撑杆与着陆地面间的作用力。
根据本公开的一实施方式，所述第一减震件和所述第二减震件均由阻尼橡胶制成。
根据本公开的一实施方式，每个所述支脚还包括第一转接套，所述第一转接套套接于所述第一支撑杆和/或所述第二支撑杆的外部，并与所述第一支撑杆或所述第二支撑杆相配合，以限定所述第一减震件的位置。
根据本公开的一实施方式，所述第一转接套包括套筒和止挡部，所述止挡部凸设于所述套筒的内壁面；
沿着轴向方向，所述第一支撑杆位于所述止挡部的一侧，所述第二支撑杆位于所述止挡部的另一侧，至少部分所述第一减震件位于所述第一支撑杆和所述止挡部之间。
根据本公开的一实施方式，所述止挡部设于所述套筒靠近所述第二支撑杆的端面。
根据本公开的一实施方式，所述第二支撑杆可拆卸地连接于所述第一减震件。
根据本公开的一实施方式，所述第一减震件具有第一螺接部，所述第二支撑杆具有第二螺接部，所述第一螺接部和所述第二螺接部螺纹连接。
根据本公开的一实施方式，所述第一螺接部和所述第二螺接部的其中之一为螺母，其中另一为螺丝。
根据本公开的一实施方式，所述第一减震件还包括减震体，所述减震体和所述第一螺接部通过模内成型工艺连接。
根据本公开的一实施方式，所述减震体由阻尼橡胶制成。
根据本公开的一实施方式，所述第二支撑杆还包括杆部，所述杆部朝向所述第一支撑杆的位置具有一抵接面，所述抵接面能够与所述第一减震件相抵接，所述第二螺接部外露于所述抵接面。
根据本公开的一实施方式，所述杆部包括杆体和包覆体，所述包覆体包覆于所述杆体靠近所述第一支撑杆的一端部以及部分所述第二螺接部，所述包覆体朝向所述第一支撑杆的位置形成所述抵接面。
根据本公开的一实施方式，所述杆体、所述包覆体和所述第二螺接部通过模内成型工艺连接。
根据本公开的一实施方式，所述至少两个支脚的数量为偶数，且成对设置；
所述第二减震件包括至少一个着陆杆，每个所述着陆杆包括两个着陆部和形变部，两个所述着陆部设于所述着陆杆的两端，所述形变部设于两个所述着陆部之间；
所述着陆部连接于所述第二支撑杆远离所述第一支撑杆的一端，当所述着陆部着陆时，所述形变部能够产生形变，以缓冲所述第二支撑杆与着陆地面间的作用力。
根据本公开的一实施方式，所述着陆杆由玻璃纤维材料制成。
根据本公开的一实施方式，所述脚架还包括至少一个连接杆；
每个所述支脚还包括至少一个第二转接套，所述第二转接套连接于所述第一转接套；
每个所述连接杆的两端分别连接于相邻的两个所述第二转接套，以固定相邻的两个所述支脚。
根据本公开的一实施方式，所述第一支撑杆和所述第二支撑杆均由碳纤维材料制成。
根据本公开的一实施方式，所述第一支撑杆的轴线、所述第二支撑杆的轴线和所述第一转接套的轴线重合。
本公开的无人飞行器，包括：
中心体，包括上述任一项所述的机框；
多个机臂，分别连接于所述中心体的外周；
多个旋翼装置，分别安装在所述多个机臂上；以及
脚架，连接于所述机框。
本公开的无人飞行器，包括：
中心体；
多个机臂，分别连接于所述中心体的外周；
多个旋翼装置，分别安装在所述多个机臂上；以及
上述任一项所述的脚架，所述脚架连接于所述中心体。
本公开的无人飞行器，包括：
中心体，包括上述任一项所述的机框；
多个机臂，分别连接于所述中心体的外周；
多个旋翼装置，分别安装在所述多个机臂上；以及
上述任一项所述的脚架，所述脚架连接于所述中心体。
上述公开中的一个实施例具有如下优点或有益效果：
本公开的机框，通过将支撑构件限定为由不同材料制成的第一支撑部件和第二支撑部件，使得支撑构件能够体现出两种不同材料的特性，例如兼顾强度、刚度、重量、成本等因素，相比于相关技术中的采用一种材料制成的支撑构件，本公开的机框能够根据设计需要，选择结合不同的材料，从而融合不同材料的特性。
通过参照附图详细描述其示例实施方式，本公开的上述和其它特征及优点将变得更加 明显。
图1示出的是本公开机框和脚架安装后的结构示意图。
图2示出的是本公开机框的分解示意图。
图3示出的是本公开脚架的分解示意图。
图4示出的是图1中沿X-X的剖面示意图。
图5示出的是图4中A处的局部放大图。
图6示出的是本公开着陆杆的结构示意图。
其中，附图标记说明如下：
1、机框
100、支撑构件
101、第一支撑构件
102、第二支撑构件
110、第一支撑部件
111、基板
112、连接部
113、镂空结构
114、开口
115、延伸板
120、第二支撑部件
200、转接件
201、第一侧壁
202、第二侧壁
203、第三侧壁
204、第四侧壁
210、第一转接部
220、第二转接部
2、脚架
20、支脚
310、第一支撑杆
320、第二支撑杆
321、第二螺接部
322、杆部
3221、抵接面
3222、杆体
3223、包覆体
400、第一减震件
410、第一螺接部
420、减震体
500、第二减震件
510、着陆杆
511、着陆部
512、形变部
600、第一转接套
610、套筒
620、止挡部
700、第二转接套
800、连接杆
900、连接件
现在将参考附图更全面地描述示例实施方式。然而，示例实施方式能够以多种形式实施，且不应被理解为限于在此阐述的实施方式；相反，提供这些实施方式使得本公开将全面和完整，并将示例实施方式的构思全面地传达给本领域的技术人员。图中相同的附图标记表示相同或类似的结构，因而将省略它们的详细描述。
如图1和图2所示，图1示出的是本公开机框和脚架安装后的结构示意图。图2示出的是本公开机框的分解示意图。无人飞行器的主体框架包括机框1和脚架2。机框1用于承载无人飞行器的核心部件，脚架2连接于机框1，用以当着陆时将无人飞行器支撑在着陆地面。
机框1包括至少一个支撑构件100，至少一个支撑构件100形成一框架结构。框架结构的形状可以是多边形，例如三角形、四边形、五边形、六边形等。
支撑构件100的数量可以是一个、两个、三个、四个或其他数量。
可以理解的是，当支撑构件100的数量为一个时，该支撑构件100本身即形成上述的框架结构。当支撑构件100的数量为两个或两个以上时，多个支撑构件100首尾相连以形成该框架结构。
举例来说，当支撑构件100的数量为两个，且形成一矩形的框架结构时，各支撑构件100的形成可以为L型。两个L型的支撑构件100首尾相连合围成该框架结构。
当然，各支撑构件100的形状也可以为长条形结构，多个长条形结构的支撑构件100首尾相连，共同合围成呈多边形的框架结构。
在本实施例中，支撑构件100的数量为四个，相邻的两个支撑构件100相互垂直，以合围成一矩形框架结构。
如图2所示，每个支撑构件100包括第一支撑部件110和第二支撑部件120。第一支撑部件110包括第一材料，第二支撑部件120连接于第一支撑部件110，且包括第二材料。其中，第一材料与第二材料不同。
在本实施例中，通过将支撑构件100限定为由不同材料制成的第一支撑部件110和第二支撑部件120，使得支撑构件100能够体现出两种不同材料的特性，例如兼顾强度、刚度、重量、成本等因素，相比于相关技术中的采用一种材料制成的支撑构件100，本公开的机框1能够根据设计需要，选择结合不同的材料，从而融合不同材料的特性。
在一实施方式中，第一材料的密度大于第二材料的密度，第一材料的弹性模量小于第二材料的弹性模量。
进一步地，第一材料为铝合金，第二材料为碳纤维。
在相关技术中，无人飞行器的机框大多采用一体注塑材料、碳管拼接或全铝材料。然而，一体注塑材料制成的机框，存在机框整体刚度和抗冲击性能差，整机操控性较差，且炸机后维修成本较高；碳管拼接而成的机框，由于碳纤维管的成本较高，故机框的制造和维修成本就会很高；全铝材料制成的机框，存在重量大，进而导致整机续航能力不足的问题。
在本实施例中，将第一材料限定为铝合金，第二材料限定为碳纤维，通过碳纤维和铝合金相结合，利用材料本身的高模量来保证机框1的弯曲刚度和冲击强度，在保证机框1的高刚度、高强度和低重量，提升了飞机的可操控性及续航能力的基础上，又降低了机框1的制造和维修成本。
如图2所示，机框1包括至少两个支撑构件100，至少两个支撑构件100首尾相连设置，以合围成框架结构。每个支撑构件100包括至少两个第一支撑部件110和至少两个第二支撑部件120，相邻的第一支撑部件110通过第二支撑部件120连接，使得至少两个第一支撑部件110与至少两个第二支撑部件120首尾相连设置，以合围成一管状结构。
在本实施例中，具体限定了每个支撑构件100的结构，将支撑构件100设计为一管状结构，可保证支撑构件100的扭转刚度。
在一具体实施例中，每个支撑构件100包括两个第一支撑部件110和两个第二支撑部件120，两个第一支撑部件110通过第二支撑部件120连接。
每个第一支撑部件110包括基板111和沿基板111的侧边延伸的连接部112，连接部112呈板状，第二支撑部件120的两侧分别搭接有不同的第一支撑部件110的连接部112。
在一实施方式中，第二支撑部件120的两侧可以通过紧固件连接于不同的第一支撑部件110的连接部112，例如通过螺栓。
在一实施方式中，每个第一支撑部件110的两个连接部112均呈长条形，且均位于基板111的同一侧，使得第一支撑部件110大致形成一C型。
第二支撑部件120呈板状。连接部112垂直于基板111，两个第二支撑部件120夹设于两个第一支撑部件110的两个基板111之间，以形成一矩形管状结构。
请继续参阅图2，第一支撑部件110具有镂空结构113。在确保支撑构件100刚度的前提下，进一步降低机框1的重量。
在一实施方式中，镂空结构113设于连接部112上。
请继续参阅图2，机框1还包括至少一个转接件200，相邻的两个支撑构件100分别连接于同一个转接件200。
值得一提的是，当支撑构件100的数量大于等于两个时，转接件200的数量可以与支撑构件100的数量相同，亦或是，转接件200的数量小于支撑构件100的数量。具体来说：
当转接件200的数量与支撑构件100的数量相同时，相邻的两个支撑构件100均通过一个转接件200相连。当转接件200的数量小于支撑构件100的数量时，相邻的两个支撑构件100不仅可以通过转接件200相连，还可以通过焊接工艺连接两个支撑构件100。
在本实施例中，机框1包括四个支撑构件100和四个转接件200，相邻的两个支撑构件100通过转接件200连接，使得四个支撑构件100和四个转接件200首尾相连设置。
在一实施方式中，每个转接件200由第一材料或第二材料制成。第一材料可以为铝合金，第二材料可以为碳纤维。
需要说明的是，当转接件200的数量为至少两个时，每个转接件200可以包括第一材料；或者是，每个转接件200可以包括第二材料；亦或是，一部分转接件200包括第一材料，剩余的转接件200包括第二材料。
如图2所示，为了方便说明，特将相邻的两个支撑构件100分别定义为第一支撑构件101和第二支撑构件102。
每个转接件200包括第一转接部210和第二转接部220，第一转接部210收容于第一支撑构件101内，第二转接部220收容于第二支撑构件102内。
请结合图1和图2所示，通过将第一转接部210收容于第一支撑构件101内，以及第二转接部220收容于第二支撑构件102内，使得转接件200并不外露，而是隐藏于相邻的两个支撑构件100之间。一方面提高了机框1的紧凑程度，另一方面也使机框1更加美观。
请继续参阅图2，第一支撑构件100的其中一个第一支撑部件110设有开口114。具体来说，第一支撑构件100的两个第一支撑部件110相对设置，位于内侧的第一支撑部件110的基板111的两端分别设有该开口114。
转接件200穿设于开口114，使得转接件200的第一转接部210伸入第一支撑构件101内部。同时，第一转接部210抵接于第一支撑构件101的另一个第一支撑部件110(位于外侧的第一支撑部件110)。
第二支撑构件102的其中一个第一支撑部件110的两端设有延伸板115。具体来说，第二支撑构件102的两个第一支撑部件110相对设置，位于外侧的第一支撑部件110的基板111的两端分别设有延伸板115。延伸板115沿着基板111的平面延伸。
延伸板115凸出于第二支撑构件102的端面，且与第一支撑构件101的一端面相抵接。
在一实施方式中，每个转接件200为矩形管状结构，包括依次连接的第一侧壁201、第二侧壁202、第三侧壁203和第四侧壁204。第一侧壁201和第三侧壁203相对设置，第二侧壁202和第四侧壁204相对设置。第二侧壁202的两端分别连接第一侧壁 201和第三侧壁203的一端，第四侧壁204的两端分别连接于第一侧壁201和第三侧壁203的另一端。
第一支撑构件101的其中一对连接部112和其中一个第二支撑部件120通过紧固件连接于第一转接部210的第一侧壁201，另一对连接部112和另一个第二支撑部件120通过紧固件连接于第一转接部210的第三侧壁203。
第二支撑构件102的其中一对连接部112和其中一个第二支撑部件120通过紧固件连接于第二转接部220的第一侧壁201，另一对连接部112和另一个第二支撑部件120通过紧固件连接于第二转接部220的第三侧壁203。
第一转接部210的第二侧壁202连接于第二支撑构件102的延伸板115。
在一实施方式中，同一个第一支撑部件110的连接部112的厚度小于第一支撑部件110的基板111的厚度。
在本公开的另一实施例中，机框1包括至少两个支撑构件100，至少两个支撑构件100首尾相连设置，以合围成一框架结构。其中，一部分支撑构件100包括第一材料，另一部分支撑构件100包括第二材料；第一材料与第二材料不同。
框架结构的形状可以是多边形，例如三角形、四边形、五边形、六边形等。
支撑构件100的数量可以是两个、三个、四个或其他数量。
可以理解的是，当支撑构件100的数量为两个，且形成一矩形的框架结构时，各支撑构件100的形成可以为L型。两个L型的支撑构件100首尾相连合围成该框架结构。
当然，各支撑构件100的形状也可以为长条形结构，多个长条形结构的支撑构件100首尾相连，共同合围成呈多边形的框架结构。
如图1所示，在本实施例中，支撑构件100的数量为四个，相邻的两个支撑构件100相互垂直，以合围成一矩形框架结构。
作为示例，两个支撑构件100可以包括第一材料，另外两个支撑构件100可以包括第二材料。包括第一材料的支撑构件100与包括第二材料的支撑构件100交替设置。
在一实施方式中，第一材料的密度大于第二材料的密度，第一材料的弹性模量小于第二材料的弹性模量。
进一步地，第一材料为铝合金，第二材料为碳纤维。
机框1还包括至少两个转接件200，相邻的两个支撑构件100分别连接于同一个转接件200，使得至少两个支撑构件100通过至少两个转接件200首尾相连设置。
每个转接件200由第一材料或第二材料制成。
如图1和图3所示，图3示出的是本公开脚架的分解示意图。本公开的脚架2包括至少两个支脚20，每个支脚20包括第一支撑杆310、第二支撑杆320、第一减震件400和第二减震件500。第一支撑杆310的一端连接于无人飞行器的主体；第二支撑杆320与第一支撑杆310沿轴向方向相对接；第一减震件400设于第一支撑杆310和第二支撑杆320的两个相对的端面之间，用于缓冲第一支撑杆310和第二支撑杆320间的作用力；第二减震件500连接于第二支撑杆320远离第一支撑杆310的一端，用于缓冲第二支撑杆320与着陆地面间的作用力。
本公开的脚架2，通过采用第一减震件400设置在第一支撑杆310和第二支撑杆320之间，用于缓冲第一支撑杆310和第二支撑杆320之间的作用力，以及第二减震件500设置在第二支撑杆320远离第一支撑杆310的一端，用于缓冲第二支撑杆320与着陆地面间的作用力的技术手段，使得当脚架2着陆时，能够实现二级减震效果。通过脚架2的第一减震件400和第二减震件500的减振缓冲吸能作用，降低了飞机着陆时，机框1受到的冲击能量，避免了飞机的机框1及核心部件受损。另外，本公开的脚架2的第一减震件400位于第一支撑杆310和第二支撑杆320之间，且第一支撑杆310的一端连接于无人飞行器的主体，使得第一减震件400和飞机的主体之间还存在硬支撑。当飞机着陆受到较大的冲击力时，避免由于减震件失效，导致飞机的核心部件受损。
在一实施方式中，第一减震件400和第二减震件500均由阻尼橡胶制成。
在本实施例中，具体限定了第一减震件400和第二减震件500是由阻尼橡胶制成。通过将减震件设计为由阻尼橡胶制成，一方面能够起到减震缓冲作用，另一方面可避免飞机着陆时向上反弹。
在一实施方式中，第一支撑杆310和第二支撑杆320均由碳纤维材料制成。这样设计的好处在于：在保证第一支撑杆310和第二支撑杆320的刚度的基础上，还能够降低脚架2的重量，提高飞机的续航能力。
如图1和图3所示，在本实施例中，支脚20的数量为四个。每个支脚20的第一支撑杆310远离第二支撑杆320的一端连接于机框1，例如第一支撑杆310通过一连接件900连接于机框1。四个支脚20呈辐射状地连接于机框1，且相邻两个支脚20之间通过连接杆800连接，四个连接杆800共同形成一口字型框架。
当然，在其他实施方式中，支脚20的数量还可以为两个、三个或其他数量，此 处不作特别限定。
请继续参阅图1和图3，每个支脚20还包括第一转接套600，第一转接套600套接于第一支撑杆310和/或第二支撑杆320的外部，并与第一支撑杆310或第二支撑杆320相配合，以限定第一减震件400的位置。
具体来说，第一转接套600套设于第一支撑杆310的外部，并与第一支撑杆310相配合，以限定第一减震件400的位置；或者是，第一转接套600套设于第二支撑杆320的外部，并与第二支撑杆320相配合来限定第一减震件400的位置；亦或是，第一转接套600套设于第一支撑杆310和第二支撑杆320的外部，并与第一支撑杆310或第二支撑杆320相配合，以限定第一减震件400的位置。
第一支撑杆310的轴线、第二支撑杆320的轴线和第一转接套600的轴线重合。当脚架2着陆时，地面给予的反作用力能够沿着第一支撑杆310和第二支撑杆320的轴线传递，防止其他方向的分力作用在支撑杆，进而造成支撑杆损坏的情况。
在一实施方式中，如图4和图5所示，图5示出的是图4中A处的局部放大图。第一转接套600包括套筒610和止挡部620，止挡部620凸设于套筒610的内壁面。套筒610套接于第一支撑杆310的外部，例如通过过盈配合或紧固件固定连接。
沿着轴向方向，第一支撑杆310位于止挡部620的一侧，第二支撑杆320位于止挡部620的另一侧，至少部分第一减震件400位于第一支撑杆310和止挡部620之间。
在本实施例中，部分第一减震件400夹设于止挡部620和第一支撑杆310朝向第二支撑杆320的端面之间。换言之，第一支撑杆310朝向第二支撑杆320的端面与止挡部620之间形成一空间，该空间用以容纳部分第一减震件400。当脚架2着陆时，第一减震件400会受到第一支撑杆310和第二支撑杆320的共同挤压产生形变，从而起到减震缓冲作用。
如图5所示，止挡部620设于套筒610靠近第二支撑杆320的端面，使得部分第一减震件400能够收容在套筒610内，另一部分第一减震件400外露于止挡部620。第一减震件400外露的部分用于抵接第二支撑杆320。
第二支撑杆320可拆卸地连接于第一减震件400。
进一步地，如图3和图5所示，第一减震件400具有第一螺接部410，第二支撑杆320具有第二螺接部321，第一螺接部410和第二螺接部321螺纹连接。
当然，第二支撑杆320和第一减震件400之间的可拆卸连接方式还可以采用卡扣连接等。
第一螺接部410和第二螺接部321的其中之一为螺母，其中另一为螺丝。
在本实施例中，第一螺接部410为螺母，第二螺接部321为螺丝。
请继续参阅图3和图5，第一减震件400还包括减震体420，减震体420的一端抵接于第一支撑杆310，另一端抵接于第二支撑杆320。减震体420和第一螺接部410通过模内成型工艺连接。减震体420由阻尼橡胶制成。
作为示例，减震体420和第一螺接部410可以通过模内注塑成型工艺连接，但不以此为限。
如图3和图5所示，第二支撑杆320还包括杆部322，杆部322朝向第一支撑杆310的位置具有一抵接面3221，抵接面3221能够与第一减震件400相抵接，第二螺接部321外露于抵接面3221。
进一步地，杆部322包括杆体3222和包覆体3223，包覆体3223包覆于杆体3222靠近第一支撑杆310的一端部以及部分第二螺接部321，包覆体3223朝向第一支撑杆310的位置形成抵接面3221。
在一实施方式中，杆体3222、包覆体3223和第二螺接部321通过模内成型工艺连接。
作为示例，杆体3222、包覆体3223和第二螺接部321可以通过模内注塑成型工艺连接，但不以此为限。
如图3所示，脚架2还包括至少一个连接杆800。每个支脚20还包括至少一个第二转接套700，第二转接套700连接于第一转接套600；每个连接杆800的两端分别连接于相邻的两个第二转接套700，以固定相邻的两个支脚20。
在本实施例中，每个第一转接套600分别设有两个呈角度设置的第二转接套700，两个第二转接套700用以分别连接两个连接杆800。
如图4所示，第二减震件500可以大致为一空心球体。当第二减震件500着陆时，空心球体更容易产生形变，减震缓冲效果更佳。
当然，可以理解的是，第二减震件500还可以替换为着陆杆510。具体来说，如图6所示，图6示出的是本公开着陆杆的结构示意图。第二减震件500包括至少一个着陆杆510，每个着陆杆510包括两个着陆部511和形变部512，两个着陆部511设于着陆杆510的两端，形变部512设于两个着陆部511之间。着陆部511连接于第二支撑杆320远离第一支撑杆310的一端。
当脚架2着陆时，着陆部511与地面接触，形变部512能够产生形变，通过形变 部512的形变，缓冲第二支撑杆320与着陆地面间的作用力。
在一实施方式中，至少两个支脚20的数量为偶数，且成对设置。一个着陆杆510的两个着陆部511分别连接于成对设置的两个第二支撑杆320。
在一实施方式中，着陆杆510由玻璃纤维材料制成，当不以此为限。
本公开的再一方面，还提供一种无人飞行器，包括：中心体、多个机臂、多个旋翼装置和脚架2。中心体包括上述任一实施例的机框1；多个机臂分别连接于中心体的外周；多个旋翼装置分别安装在多个机臂上；脚架2连接于机框1。
由于包括上述任一实施方式的机框1，故本公开实施例的无人飞行器具有上述任一实施例的所有优点和有益效果，此处不再赘述。
本公开的再一方面，还提供一种无人飞行器，包括：中心体、多个机臂、多个旋翼装置和上述任一实施例的脚架2。多个机臂分别连接于中心体的外周；多个旋翼装置分别安装在多个机臂上；脚架2连接于中心体。
由于包括上述任一实施方式的脚架2，故本公开实施例的无人飞行器具有上述任一实施例的所有优点和有益效果，此处不再赘述。
本公开的再一方面，还提供一种无人飞行器，包括：中心体、多个机臂、多个旋翼装置以及上述任一实施例的脚架2。中心体包括上述任一实施例的机框1；多个机臂分别连接于中心体的外周；多个旋翼装置分别安装在多个机臂上；脚架2连接于中心体。
由于包括述任一实施方式的机框1和上述任一实施方式的脚架2，故本公开实施例的无人飞行器具有上述任一实施例的所有优点和有益效果，此处不再赘述。
综上所述，本公开的机框1、脚架2及无人飞行器的优点和有益效果在于：
本公开的机框1，通过将支撑构件100限定为由不同材料制成的第一支撑部件110和第二支撑部件120，使得支撑构件100能够体现出两种不同材料的特性，例如兼顾强度、刚度、重量、成本等因素，相比于相关技术中的采用一种材料制成的支撑构件100，本公开的机框1能够根据设计需要，选择结合不同的材料，从而融合不同材料的特性。
本公开的脚架2，通过采用第一减震件400设置在第一支撑杆310和第二支撑杆320之间，用于缓冲第一支撑杆310和第二支撑杆320之间的作用力，以及第二减震件500设置在第二支撑杆320远离第一支撑杆310的一端，用于缓冲第二支撑杆320与着陆地面间的作用力的技术手段，使得当脚架2着陆时，能够实现二级减震效果。 通过脚架2的第一减震件400和第二减震件500的减振缓冲吸能作用，降低了飞机着陆时，机框1受到的冲击能量，避免了飞机的机框1及核心部件受损。另外，本公开的脚架2的第一减震件400位于第一支撑杆310和第二支撑杆320之间，且第一支撑杆310的一端连接于无人飞行器的主体，使得第一减震件400和飞机的主体之间还存在硬支撑。当飞机着陆受到较大的冲击力时，避免由于减震件失效，导致飞机的核心部件受损。
在本公开中，术语“第一”、“第二”、“第三”仅用于描述的目的，而不能理解为指示或暗示相对重要性；术语“多个”则指两个或两个以上，除非另有明确的限定。术语“安装”、“相连”、“连接”、“固定”等术语均应做广义理解，例如，“连接”可以是固定连接，也可以是可拆卸连接，或一体地连接；“相连”可以是直接相连，也可以通过中间媒介间接相连。对于本领域的普通技术人员而言，可以根据具体情况理解上述术语在本公开中的具体含义。
本公开的描述中，需要理解的是，术语“上”、“下”、“左”、“右”、“前”、“后”等指示的方位或位置关系为基于附图所示的方位或位置关系，仅是为了便于描述本公开和简化描述，而不是指示或暗示所指的装置或单元必须具有特定的方向、以特定的方位构造和操作，因此，不能理解为对本公开的限制。
在本说明书的描述中，术语“一个实施例”、“一些实施例”、“具体实施例”等的描述意指结合该实施例或示例描述的具体特征、结构、材料或特点包含于本公开的至少一个实施例或示例中。在本说明书中，对上述术语的示意性表述不一定指的是相同的实施例或实例。而且，描述的具体特征、结构、材料或特点可以在任何的一个或多个实施例或示例中以合适的方式结合。
以上仅为本公开的优选实施例而已，并不用于限制本公开，对于本领域的技术人员来说，本公开可以有各种更改和变化。凡在本公开的精神和原则之内，所作的任何修改、等同替换、改进等，均应包含在本公开的保护范围之内。
Claims (45)
- 一种机框，应用于无人飞行器，其特征在于，所述机框包括至少一个支撑构件，所述至少一个支撑构件形成一框架结构；每个所述支撑构件包括：第一支撑部件，包括第一材料；以及第二支撑部件，连接于所述第一支撑部件，且包括第二材料；其中，所述第一材料与所述第二材料不同。
- 根据权利要求1所述的机框，其特征在于，所述第一材料的密度大于所述第二材料的密度，所述第一材料的弹性模量小于所述第二材料的弹性模量。
- 根据权利要求2所述的机框，其特征在于，所述第一材料为铝合金。
- 根据权利要求1至3任一项所述的机框，其特征在于，所述第二材料为碳纤维。
- 根据权利要求1所述的机框，其特征在于，所述机框包括至少两个所述支撑构件，至少两个所述支撑构件首尾相连设置，以合围成所述框架结构；每个所述支撑构件包括：至少两个第一支撑部件；以及至少两个第二支撑部件，相邻的所述第一支撑部件通过所述第二支撑部件连接，使得所述至少两个第一支撑部件与所述至少两个第二支撑部件首尾相连设置，以合围成一管状结构。
- 根据权利要求5所述的机框，其特征在于，每个所述第一支撑部件包括基板和沿所述基板的侧边延伸的连接部，所述连接部呈板状，所述第二支撑部件的两侧分别搭接有不同的所述第一支撑部件的所述连接部。
- 根据权利要求6所述的机框，其特征在于，所述第二支撑部件呈板状；所述连接部垂直于所述基板，两个所述第二支撑部件夹设于两个所述第一支撑部件的两个所述基板之间，以形成一矩形管状结构。
- 根据权利要求6所述的机框，其特征在于，所述第一支撑部件具有镂空结构。
- 根据权利要求8所述的机框，其特征在于，所述镂空结构设于所述连接部上。
- 根据权利要求1所述的机框，其特征在于，所述机框包括至少两个所述支撑构件，至少两个所述支撑构件首尾相连设置，以合围成所述框架结构；所述机框还包括至少一个转接件，相邻的两个所述支撑构件分别连接于同一个所述转接件。
- 根据权利要求10所述的机框，其特征在于，每个所述转接件由第一材料或第 二材料制成。
- 根据权利要求10所述的机框，其特征在于，所述机框包括至少两个所述转接件，至少两个所述支撑构件通过至少两个所述转接件首尾相连设置。
- 根据权利要求12所述的机框，其特征在于，每个所述支撑构件为一管状结构，相邻的两个所述支撑构件分别为第一支撑构件和第二支撑构件；每个所述转接件包括第一转接部和第二转接部，所述第一转接部收容于所述第一支撑构件内，所述第二转接部收容于所述第二支撑构件内。
- 根据权利要求13所述的机框，其特征在于，每个所述支撑构件包括：两个第一支撑部件；以及两个第二支撑部件，相邻的所述第一支撑部件通过所述第二支撑部件连接，使得所述两个第一支撑部件与所述两个第二支撑部件首尾相连设置，以合围成所述管状结构。
- 根据权利要求14所述的机框，其特征在于，所述第一支撑构件的其中一个所述第一支撑部件设有开口，所述转接件穿设于所述开口，且所述第一转接部抵接于所述第一支撑构件的另一个所述第一支撑部件；所述第二支撑构件的其中一个所述第一支撑部件的两端设有延伸板，所述延伸板凸出于所述第二支撑构件的端面，所述第一支撑构件的一端面抵接于所述延伸板。
- 根据权利要求15所述的机框，其特征在于，每个所述第一支撑部件包括基板和设于所述基板的两个相对的侧边的连接部；所述连接部和所述第二支撑部件均为板状结构；两个所述第一支撑部件的相邻的所述连接部分别搭接于所述第二支撑部件的两侧。
- 根据权利要求16所述的机框，其特征在于，每个所述转接件为矩形管状结构；所述第一支撑构件的其中一对所述连接部和其中一个所述第二支撑部件通过紧固件连接于所述第一转接部的第一侧壁，另一对所述连接部和另一个所述第二支撑部件通过紧固件连接于所述第一转接部的第三侧壁；所述第二支撑构件的其中一对所述连接部和其中一个所述第二支撑部件通过紧固件连接于所述第二转接部的第一侧壁，另一对所述连接部和另一个所述第二支撑部件通过紧固件连接于所述第二转接部的第三侧壁；所述第一转接部的第二侧壁连接于第二支撑构件的所述延伸板；其中，所述第一侧壁和所述第三侧壁相对设置，所述第二侧壁的两端分别连接于所述第一侧壁和所述第三侧壁。
- 根据权利要求1所述的机框，其特征在于，所述支撑构件的数量为四个，相邻的两个所述支撑构件相互垂直，以合围成一矩形框架结构。
- 一种机框，应用于无人飞行器，其特征在于，所述机框包括至少两个支撑构件，所述至少两个支撑构件首尾相连设置，以合围成一框架结构；其中，一部分所述支撑构件包括第一材料，另一部分所述支撑构件包括第二材料；其中，所述第一材料与所述第二材料不同。
- 根据权利要求19所述的机框，其特征在于，所述第一材料的密度大于所述第二材料的密度，所述第一材料的弹性模量小于所述第二材料的弹性模量。
- 根据权利要求20所述的机框，其特征在于，所述第一材料为铝合金。
- 根据权利要求19至21任一项所述的机框，其特征在于，所述第二材料为碳纤维。
- 根据权利要求19所述的机框，其特征在于，所述机框还包括至少两个转接件，相邻的两个所述支撑构件分别连接于同一个所述转接件，使得所述至少两个支撑构件通过所述至少两个转接件首尾相连设置。
- 根据权利要求23所述的机框，其特征在于，每个所述转接件由第一材料或第二材料制成。
- 一种脚架，应用于无人飞行器，其特征在于，所述脚架包括至少两个支脚，每个所述支脚包括：第一支撑杆，一端连接于所述无人飞行器的主体；第二支撑杆，与所述第一支撑杆沿轴向方向相对接；第一减震件，设于所述第一支撑杆和所述第二支撑杆的两个相对的端面之间，用于缓冲所述第一支撑杆和所述第二支撑杆间的作用力；以及第二减震件，连接于所述第二支撑杆远离所述第一支撑杆的一端，用于缓冲所述第二支撑杆与着陆地面间的作用力。
- 根据权利要求25所述的脚架，其特征在于，所述第一减震件和所述第二减震件均由阻尼橡胶制成。
- 根据权利要求25所述的脚架，其特征在于，每个所述支脚还包括第一转接套，所述第一转接套套接于所述第一支撑杆和/或所述第二支撑杆的外部，并与所述第一支 撑杆或所述第二支撑杆相配合，以限定所述第一减震件的位置。
- 根据权利要求27所述的脚架，其特征在于，所述第一转接套包括套筒和止挡部，所述止挡部凸设于所述套筒的内壁面；沿着轴向方向，所述第一支撑杆位于所述止挡部的一侧，所述第二支撑杆位于所述止挡部的另一侧，至少部分所述第一减震件位于所述第一支撑杆和所述止挡部之间。
- 根据权利要求28所述的脚架，其特征在于，所述止挡部设于所述套筒靠近所述第二支撑杆的端面。
- 根据权利要求25所述的脚架，其特征在于，所述第二支撑杆可拆卸地连接于所述第一减震件。
- 根据权利要求30所述的脚架，其特征在于，所述第一减震件具有第一螺接部，所述第二支撑杆具有第二螺接部，所述第一螺接部和所述第二螺接部螺纹连接。
- 根据权利要求31所述的脚架，其特征在于，所述第一螺接部和所述第二螺接部的其中之一为螺母，其中另一为螺丝。
- 根据权利要求31所述的脚架，其特征在于，所述第一减震件还包括减震体，所述减震体和所述第一螺接部通过模内成型工艺连接。
- 根据权利要求33所述的脚架，其特征在于，所述减震体由阻尼橡胶制成。
- 根据权利要求31所述的脚架，其特征在于，所述第二支撑杆还包括杆部，所述杆部朝向所述第一支撑杆的位置具有一抵接面，所述抵接面能够与所述第一减震件相抵接，所述第二螺接部外露于所述抵接面。
- 根据权利要求35所述的脚架，其特征在于，所述杆部包括杆体和包覆体，所述包覆体包覆于所述杆体靠近所述第一支撑杆的一端部以及部分所述第二螺接部，所述包覆体朝向所述第一支撑杆的位置形成所述抵接面。
- 根据权利要求36所述的脚架，其特征在于，所述杆体、所述包覆体和所述第二螺接部通过模内成型工艺连接。
- 根据权利要求25所述的脚架，其特征在于，所述至少两个支脚的数量为偶数，且成对设置；所述第二减震件包括至少一个着陆杆，每个所述着陆杆包括两个着陆部和形变部，两个所述着陆部设于所述着陆杆的两端，所述形变部设于两个所述着陆部之间；所述着陆部连接于所述第二支撑杆远离所述第一支撑杆的一端，当所述着陆部着 陆时，所述形变部能够产生形变，以缓冲所述第二支撑杆与着陆地面间的作用力。
- 根据权利要求38所述的脚架，其特征在于，所述着陆杆由玻璃纤维材料制成。
- 根据权利要求27所述的脚架，其特征在于，所述脚架还包括至少一个连接杆；每个所述支脚还包括至少一个第二转接套，所述第二转接套连接于所述第一转接套；每个所述连接杆的两端分别连接于相邻的两个所述第二转接套，以固定相邻的两个所述支脚。
- 根据权利要求25所述的脚架，其特征在于，所述第一支撑杆和所述第二支撑杆均由碳纤维材料制成。
- 根据权利要求27所述的脚架，其特征在于，所述第一支撑杆的轴线、所述第二支撑杆的轴线和所述第一转接套的轴线重合。
- 一种无人飞行器，其特征在于，包括：中心体，包括如权利要求1至24任一项所述的机框；多个机臂，分别连接于所述中心体的外周；多个旋翼装置，分别安装在所述多个机臂上；以及脚架，连接于所述机框。
- 一种无人飞行器，其特征在于，包括：中心体；多个机臂，分别连接于所述中心体的外周；多个旋翼装置，分别安装在所述多个机臂上；以及如权利要求25至42任一项所述的脚架，所述脚架连接于所述中心体。
- 一种无人飞行器，其特征在于，包括：中心体，包括如权利要求1至24任一项所述的机框；多个机臂，分别连接于所述中心体的外周；多个旋翼装置，分别安装在所述多个机臂上；以及如权利要求25至42任一项所述的脚架，所述脚架连接于所述中心体。
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