Search

CN-122009498-A - EVTOL aircraft electrical arm and wing fairing

CN122009498ACN 122009498 ACN122009498 ACN 122009498ACN-122009498-A

Abstract

The invention relates to the technical field of eVTOL, in particular to a eVTOL aircraft motor arm and wing fairing, which comprises a eVTOL aircraft, wherein the eVTOL aircraft comprises an aircraft body, four wing bodies are arranged on the surface of the aircraft body, motor arm bodies are arranged on two sides of the wing body, motor arm flanging is arranged on one side, opposite to the two motor arm bodies, of the wing body, and wing flanging matched with the motor arm flanging is arranged on two sides of the wing body. The invention has the advantages of good maintainability and high safety, in the actual use process, the invention consists of an upper fairing, a lower fairing, a wing support, a motor arm support, a sealing strip and a fastener, wherein the upper fairing and the lower fairing are connected at the front edge through the sinking lap joint of the upper fairing at the front edge and through the fastener, the wing support consists of a transverse support and a longitudinal support, the motor arm body support is a longitudinal support, and the upper fairing and the lower fairing are connected with the wing support through the fastener.

Inventors

  • CHEN XIUXIAN
  • TU SHANGPING
  • YANG WANLI
  • DANG TIEHONG

Assignees

  • 合肥览翌航空科技有限公司

Dates

Publication Date
20260512
Application Date
20260403

Claims (9)

  1. 1. EVTOL an aircraft horn and wing fairing comprising a eVTOL aircraft (2), characterised in that: The eVTOL aircraft (2) comprises an aircraft body (23), four wing bodies (22) are arranged on the surface of the aircraft body (23), motor arm bodies (21) are arranged on two sides of the wing bodies (22), motor arm flanging (211) are arranged on one side, opposite to the two motor arm bodies (21), of each wing body (22), and wing flanging (221) matched with the motor arm flanging (211) are arranged on two sides of the wing bodies (22); A fairing (1) is arranged between the two motor arm bodies (21); The fairing (1) comprises an upper fairing (11) and a lower fairing (12), two wing supports (13) are arranged on opposite sides of the upper fairing (11) and the lower fairing (12) together, a motor arm support (14) is arranged on one side of the wing supports (13), a sealing strip (15) is arranged on one side of the motor arm support (14), and a fastener (16) is arranged on one side of the upper fairing (11) and one side of the lower fairing (12) in a penetrating mode together; The upper fairing (11) comprises two wing parts (111), motor arm parts (112) are arranged on opposite sides of the two wing parts (111) together, and a dip (113) is arranged on one side of the wing part (111).
  2. 2. An aircraft horn and wing fairing according to claim 1 in which the upper fairing (11) and the lower fairing (12) are of the same shape and the upper fairing (11) and the lower fairing (12) are both made of carbon fibre composite material.
  3. 3. A eVTOL aircraft horn and wing fairing according to claim 1, in which the wing support (13) is divided into a transverse member and a longitudinal member, the transverse member being L-shaped, the longitudinal member forming a closed structure along the shape of the upper fairing (11) and the lower fairing (12), the transverse member and the longitudinal member being made of carbon fibre composite material.
  4. 4. A eVTOL aircraft electrical arm and wing fairing according to claim 1, wherein the number of sealing strips (15) is plural, the sealing strips (15) being located between the electrical arm body (21) and the upper fairing (11), the sealing strips (15) being located between the electrical arm body (21) and the lower fairing (12).
  5. 5. A eVTOL aircraft electrical arm and wing fairing according to claim 1, wherein said sealing strip (15) is made of foam.
  6. 6. A eVTOL aircraft electrical arm and wing fairing according to claim 1, wherein the upper fairing (11) and the lower fairing (12) are detachably connected to the wing body (22) and the wing support (13) by fasteners (16), respectively.
  7. 7. An aircraft horn and wing fairing according to claim 1 in which the fastener (16) comprises a bolt (161), the surface of the bolt (161) being provided with a blade nut (162).
  8. 8. A eVTOL aircraft horn and wing fairing as claimed in claim 1, characterised in that the seal strip (15) is compressed by an amount greater than the amount of deformation of the fairing (1) under force.
  9. 9. A use method of eVTOL aircraft motor arms and wing fairings is characterized by comprising the following steps: In the flight process of the eVTOL aircraft (2), the motor arm body (21) and the wing body (22) can bear various loads to deform as important stress components, the fairing (1) coordinates the deformation of the motor arm body (21) and the wing body (22) through unique design, so that the motor arm body (21) and the wing body (22) are prevented from being damaged, meanwhile, the aerodynamic shape of the eVTOL aircraft (2) is maintained, when the motor arm body (21) and the wing body (22) are greatly deformed under larger loads, the constraint among the upper fairing (11), the lower fairing (12) and the motor arm body (21) is released through the sealing strips (15), the upper fairing (11) and the lower fairing (12) can move along with the wing body (22), and the upper fairing (11) and the lower fairing (12) are prevented from being torn due to hard connection with the motor arm body (21), so that the safety of the fairing is ensured; The upper fairing (11) and the lower fairing (12) adopt a thin plate structure of carbon fiber composite material, the structure can maintain the aerodynamic shape of a transition area of the motor arm body (21) and the wing body (22) and reduce the weight, the upper fairing (11) and the lower fairing are connected through a fastener (16) at the front edge in a sinking lap joint mode at the front edge, so that the connection strength and the surface flatness are ensured, and the aerodynamic resistance is reduced; When the motor arm body (21) and the wing body (22) are stressed and deformed, the upper fairing (11) and the lower fairing (12) are in contact fit with the motor arm support (14) through the sealing strips (15), the sealing strips (15) have larger compression deformation capacity, in the deformation process, the sealing strips (15) are compressed, so that the upper fairing (11) and the lower fairing (12) can move along the wing body (22), the constraint between the upper fairing (11) and the motor arm body (21) is released, the upper fairing (11) and the lower fairing (12) are prevented from being torn, and after being connected, the upper fairing (11) and the lower fairing (12) are supported by the motor arm body (21) to form a encircling structure, so that a certain limiting effect is achieved on the deformation of the fairing (1) and the pneumatic performance is prevented from being influenced by overlarge deformation; The motor arm support (14) consists of transverse and longitudinal supports, a plurality of sections are respectively arranged along the openings of the upper fairing (11) and the lower fairing (12), the longitudinal parts are in a closed structure, the upper and lower flanges are designed, the design can better adapt to the shape of the wing, stable support is provided, the transverse parts are L-shaped parts and are adhered to the wing body (22), the connection stability of the wing support (13) and the wing body (22) is improved, the wing support (13) is connected with the upper fairing (11) and the lower fairing (12) through fasteners (16), the support is provided for the fairing (1), the fairing (1) can maintain a stable position in the flight process of the eVTOL aircraft (2), the aerodynamic shape is maintained, and meanwhile, when the motor arm body (21) and the wing body (22) are deformed, the wing support (13) can bear a certain force and transmit the force to the wing body (22), and the stability of the whole structure is ensured; The motor arm support (14) is a longitudinal support and is connected to two sides of the motor arm body (21) and is adhered to the motor arm body (21), sealing strips (15) are adhered to the surfaces of the motor arm support and are preferably foam, the sealing strips (15) have good elasticity and compression deformation capacity, when the motor arm body (21) is stressed and deformed, the sealing strips (15) can absorb deformation, hard friction is prevented from being generated between the motor arm body (21) and the upper fairing (11) and the lower fairing (12) to protect parts from being damaged, the motor arm support (14) is matched with the upper fairing (11) and the lower fairing (12) through contact, and when the motor arm body (21) and the wing body (22) are subjected to large load deformation, the constraint on the upper fairing (11) and the lower fairing (12) is released through the effect of the sealing strips (15), so that the fairing (1) can move along with the wing body (22) to realize deformation coordination; The sealing strip (15) is made of soft materials, has larger compression deformation capacity, and when the motor arm body (21) and the wing body (22) are deformed under stress, the sealing strip (15) is compressed to absorb the relative deformation between the fairing (1) and the motor arm body (21) so as to prevent the fairing (1) from being torn due to uncoordinated deformation, and the compression capacity of the sealing strip (15) is larger than the calculated deformation capacity of the fairing (1) under stress, so that the deformation capacity of the fairing (1) can be completely absorbed; The upper fairing (11) and the lower fairing (12) are respectively connected with the wing body (22) and the wing support (13) by adopting a supporting plate nut (162) and a bolt (161), the supporting plate nut (162) is riveted on a wing flanging (221) of the wing, the disassembly of the fairing (1) can be conveniently completed by disassembling the bolt (161) on the outer side, the fairing (1) is used as a maintenance cover, meanwhile, the upper fairing (11) and the lower fairing (12) are detached on one side outside in a connecting mode, the maintenance of the motor arm body (21) is facilitated, and the connecting strength between the upper fairing (11) and the lower fairing (12) and the wing body (22) and the wing support (13) is ensured by a fastener (16), so that the fairing (1) can bear certain aerodynamic force and inertia force in the flight process of the eVTOL aircraft (2), a stable position is maintained, and a pneumatic appearance is maintained.

Description

EVTOL aircraft electrical arm and wing fairing Technical Field The invention relates to the technical field of eVTOL, in particular to a eVTOL aircraft motor arm and wing fairing. Background EVTOL is an aircraft which is driven by pure electricity and can take off and land vertically, take off and land can be realized without a runway, the energy form is mainly based on lithium batteries, the aircraft has the cleaning technologies such as hydrogen energy and the like, the configuration of the aircraft is divided into multiple rotor wings, composite wings, tilting rotors and the like, the aircraft can be divided into two types of piloting and unmanned aircraft according to the operation mode, and the advantages of high-efficiency endurance of the vertical take-off and landing flexibility and the fixed wings are combined. The utility model discloses a eVTOL aircraft wing body fairing according to the Chinese patent application number 202420763754.1, which comprises a skin, a rear supporting beam and a front supporting beam, wherein the front supporting beam is connected with the middle part of the skin through a connecting piece and supports the middle part of the skin, the rear supporting beam is arranged on the right part of the skin through a connecting piece, the skin is a carbon fiber composite material piece, the rear sides of the supporting beam and the front supporting beam are connected with supporting ribs, the side edges of the supporting ribs are connected with the skin, a thickening area is arranged on the periphery of the skin, and the skin is connected with a eVTOL aircraft, the rear supporting beam and the supporting ribs through the cooperation of the thickening area and the connecting piece. The fairing has good aerodynamic performance, the connecting piece adopts bolts without protruding the aerodynamic surface, and simultaneously adopts the supporting ribs and the front supporting beam and the rear supporting beam to support the skin, so that the appearance precision of the skin is ensured, and the aerodynamic performance is consistent with the design, but the skin in the patent is connected with the rear supporting beam, the front supporting beam and the supporting rib through the fasteners, the front supporting beam and the rear supporting beam are connected with the airframe, the supporting rib is connected with the wing, when the eVTOL aircraft performs large maneuvering flight, the wing is stressed greatly, and larger deformation can be generated, so that the skin is pulled to deform together, but the skin is connected with the airframe through the fasteners, when the deformation is larger, the connection does not absorb the deformation space, the skin can be torn, and the replacement of the skin is caused, so that the maintenance cost is higher. Therefore, there is a strong need for eVTOL aircraft arms and wing fairings that address the above-described issues. Disclosure of Invention The invention aims to provide eVTOL aircraft motor arms and wing fairings, which have the advantages of good maintainability and high safety, and solve the problems of the background technology. In order to achieve the aim, the invention provides the following technical scheme that the eVTOL aircraft arm and wing fairing comprises a eVTOL aircraft. EVTOL the aircraft includes the aircraft body, the surface of aircraft body is provided with four wing bodies, the both sides of wing body all are provided with the motor arm body, and the relative one side of two motor arm bodies all is provided with the motor arm turn-ups, the both sides of wing body all are provided with the wing turn-ups with motor arm turn-ups looks adaptation. A fairing is arranged between the two motor arm bodies. The fairing comprises an upper fairing and a lower fairing, two wing supports are arranged on opposite sides of the upper fairing and the lower fairing together, a motor arm support is arranged on one side of the wing supports, a sealing strip is arranged on one side of the motor arm support, and fasteners are arranged on one sides of the upper fairing and the lower fairing in a penetrating mode together. The upper fairing comprises two wing parts, wherein the opposite sides of the two wing parts are provided with motor arm parts together, and one side of the wing part is provided with a dip. Further, as a preferable aspect of the present invention, the upper fairing and the lower fairing have the same shape, and the upper fairing and the lower fairing are both made of carbon fiber composite material. Further, as a preferable aspect of the present invention, the wing support is divided into a transverse member and a longitudinal member, the transverse member is L-shaped, the longitudinal member forms a closed structure along the shapes of the upper fairing and the lower fairing, and the transverse member and the longitudinal member are both made of carbon fiber composite materials. Further, as one preferable aspect of the pres