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CN-114655422-B - Flexible wing structure with embedded torsion framework and aviation aircraft

CN114655422BCN 114655422 BCN114655422 BCN 114655422BCN-114655422-B

Abstract

The invention discloses a flexible wing structure embedded with a torsion framework and an aviation aircraft, which comprise a framework girder, wherein the framework girder is shaped along with the outer contour of a wing, a plurality of ribs are arranged on the framework girder at intervals, a plurality of connecting support rods are connected with two adjacent ribs in a sliding manner, the two ends of each connecting support rod are respectively connected with two adjacent ribs in a sliding manner, a skin is wrapped on the outer sides of the framework girder and the ribs, the flexible wing structure embedded with the torsion framework gets rid of the flexible wing of the current single 3D printing technology, and the ribs, the connecting support rods and other structures for enhancing rigidity are embedded in the wing, so that the sufficient rigidity is maintained on the basis of realizing active control deformation so as to adapt to the wing with larger aspect ratio.

Inventors

  • WANG ZONGHUI
  • WANG YANWEI
  • ZHANG ENHUA
  • QIN YUAN

Assignees

  • 彩虹无人机科技有限公司

Dates

Publication Date
20260512
Application Date
20220303

Claims (9)

  1. 1. A flexible wing structure having a torsional skeleton embedded therein, comprising: the framework main beam is shaped along with the outer contour of the wing; the ribs are arranged on the framework main beam at intervals; the two ends of the plurality of connecting support rods are respectively connected with the two adjacent wing ribs in a sliding manner; the skin is wrapped on the outer sides of the skeleton main beam and the wing ribs; the side wall of the wing rib is provided with a chute, the end part of the connecting support rod is slidably connected in the chute, and the connecting support rod can be matched with the chute to generate 1-degree torsional deformation; the two ends of the connecting support rod are spherical, and the sliding groove is an arc matched with the spherical shape.
  2. 2. The flexible wing structure of claim 1, wherein the plurality of ribs comprises a first rib, a second rib, a third rib, a fourth rib, and a fifth rib connected in series at intervals, the first rib being adjacent to the fuselage.
  3. 3. A flexible wing structure having a torsion frame embedded therein according to claim 2, wherein a plurality of the connecting support rods include: The two ends of the first connecting support rod are respectively connected with the first wing rib and the second wing rib in a sliding manner; the two ends of the second connecting support rod are respectively connected with the second wing rib and the third wing rib in a sliding manner; The two ends of the third connecting support rod are respectively connected with the third wing rib and the fourth wing rib in a sliding manner; And two ends of the fourth connecting support rod are respectively connected with the fourth wing rib and the fifth wing rib in a sliding manner.
  4. 4. A flexible wing structure with a built-in twistable skeleton according to claim 3, wherein one end of the first connecting support bar is close to the connection point of the second rib and the skeleton main beam, and the other end of the first connecting support bar is far away from the connection point of the first rib and the skeleton main beam.
  5. 5. A flexible wing structure with a built-in torsion frame according to claim 3, wherein one end of the second connection support bar is close to a connection point between the third rib and the frame main beam, and the other end of the second connection support bar is far away from a connection point between the second rib and the frame main beam.
  6. 6. A flexible wing structure with a built-in torsion frame according to claim 3, wherein one end of the third connection support bar is close to a connection point between the third rib and the frame main beam, and the other end of the third connection support bar is far away from a connection point between the fourth rib and the frame main beam.
  7. 7. A flexible wing structure with a built-in torsion frame according to claim 3, wherein one end of the fourth connection support bar is close to a connection point between the fourth rib and the frame main beam, and the other end of the fourth connection support bar is far away from a connection point between the fifth rib and the frame main beam.
  8. 8. A flexible wing structure with a built-in torsion skeleton according to claim 1, wherein the skin is a glass fibre reinforced polytetrafluoroethylene skin.
  9. 9. An aircraft comprising a flexible wing structure having a torsion skeleton embedded therein according to any one of claims 1 to 8.

Description

Flexible wing structure with embedded torsion framework and aviation aircraft Technical Field The invention belongs to the technical field of aviation aircrafts, and particularly relates to a flexible wing structure embedded with a torsion framework and an aviation aircraft. Background Wings are one of the important components of an aircraft, mounted on the fuselage. The main function of the aircraft is to generate lift force, and meanwhile, an ammunition bin and an oil tank can be arranged in the wing, so that the landing gear can be stored in flight. In addition, a wing is provided with a flap for improving take-off and landing performance and an aileron for transversely maneuvering an aircraft, and a wing front edge is provided with a device for increasing lift force such as a slat. The function of the wing is to generate lift to support the aircraft in flight. It also plays a certain role in stabilization and manipulation. The plane shape of the wing is various, and the common wings include rectangular wings, trapezoidal wings, sweepback wings, delta wings, double delta wings, arrow wings, strake wings and the like. Most of the large aircraft in particular currently use very stiff wings as the main component of lift. Disclosure of Invention The invention aims to overcome the defects in the prior art and provide a flexible wing structure with an embedded torsion framework, which gets rid of the flexible wing with the single 3D printing technology at present, and the structure for enhancing rigidity is embedded in the wing, such as ribs, connecting support rods and the like, so that the sufficient rigidity is maintained on the basis of realizing active control of deformation, and the flexible wing is suitable for wings with larger aspect ratio. In order to achieve the above object, the present invention provides a flexible wing structure having a torsion skeleton embedded therein, comprising: the framework main beam is shaped along with the outer contour of the wing; the ribs are arranged on the framework main beam at intervals; the two ends of the plurality of connecting support rods are respectively connected with the two adjacent wing ribs in a sliding manner; And the skin is wrapped on the outer sides of the skeleton girder and the wing ribs. Optionally, the plurality of ribs include a first rib, a second rib, a third rib, a fourth rib and a fifth rib that are sequentially connected at intervals, and the first rib is close to the fuselage. Optionally, the plurality of connecting support bars includes: The two ends of the first connecting support rod are respectively connected with the first wing rib and the second wing rib in a sliding manner; the two ends of the second connecting support rod are respectively connected with the second wing rib and the third wing rib in a sliding manner; The two ends of the third connecting support rod are respectively connected with the third wing rib and the fourth wing rib in a sliding manner; And two ends of the fourth connecting support rod are respectively connected with the fourth wing rib and the fifth wing rib in a sliding manner. Optionally, the lateral wall of rib is provided with the spout, the tip sliding connection of connecting rod is in the spout, the connecting rod can with the spout cooperation takes place 1 torsional deformation. Optionally, one end of the first connection support rod is close to a connection point between the second rib and the skeleton girder, and the other end of the first connection support rod is far away from a connection point between the first rib and the skeleton girder. Optionally, one end of the second connection support rod is close to a connection point between the third rib and the skeleton girder, and the other end of the second connection support rod is far away from a connection point between the second rib and the skeleton girder. Optionally, one end of the third connecting support rod is close to a connection point between the third rib and the skeleton girder, and the other end of the third connecting support rod is far away from a connection point between the fourth rib and the skeleton girder. Optionally, one end of the fourth connecting support rod is close to a connection point between the fourth rib and the skeleton girder, and the other end of the fourth connecting support rod is far away from a connection point between the fifth rib and the skeleton girder. Optionally, the skin is a glass fiber reinforced polytetrafluoroethylene skin. An aircraft comprising a flexible wing structure incorporating a twistable skeleton as described above. The invention provides a flexible wing structure embedded with a torsion framework, which has the beneficial effects that: 1. the flexible wing structure with the embedded torsion framework gets rid of the flexible wing with the single 3D printing technology at present, and the structure for enhancing rigidity is embedded in the wing, is connected with a supporting rod and t