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CN-122009562-A - Unmanned aerial vehicle rotor arm structure

CN122009562ACN 122009562 ACN122009562 ACN 122009562ACN-122009562-A

Abstract

The invention relates to the field of unmanned aerial vehicles, in particular to an unmanned aerial vehicle rotor wing arm structure, which comprises a foldable arm body, wherein a motor is arranged at the far end of the arm body, a main pipe clamp is arranged at the near end of the arm body, the main pipe clamp comprises a clamping part and an end plate, the clamping part comprises a left half hoop body and a right half hoop body, the lower ends of the left half hoop body and the right half hoop body are integrally formed, arc surfaces of the left half hoop body and the right half hoop body form a circular clamping hole, extension bodies are arranged at the upper ends of the left half hoop body and the right half hoop body, first fastening holes are arranged on the two extension bodies, the number of the end plates is two, the end plates are respectively positioned at two sides of the clamping part, through holes are formed in positions, corresponding to the circular clamping holes, the aperture of the through holes is identical to that of the circular clamping holes, the end plates are integrally formed with the left half hoop body, a gap is reserved between the end plate and the right half hoop body, and first mounting holes are formed at the upper end and lower ends of the end plate. The unmanned aerial vehicle rotor wing arm structure is better in stability, firm in connection and beneficial to the flight of an unmanned aerial vehicle.

Inventors

  • XIU YU
  • Request for anonymity
  • YE MENGXIN

Assignees

  • 翼安科技(湖北)有限公司

Dates

Publication Date
20260512
Application Date
20260403

Claims (8)

  1. 1. The unmanned aerial vehicle rotor wing arm structure comprises a foldable arm body (1), wherein a motor base (4) is arranged at the far end of the arm body (1), a motor (5) is arranged on the motor base (4), and a blade (6) is arranged on a driving shaft of the motor (5), and the unmanned aerial vehicle rotor wing arm structure is characterized in that a main pipe clamp (2) is arranged at the near end of the arm body (1); the main pipe clamp (2) comprises a holding part (201) and an end plate (202), the holding part (201) comprises a left half hoop body (201-1) and a right half hoop body (201-2), the lower ends of the left half hoop body (201-1) and the right half hoop body (201-2) are integrally formed, the left half hoop body (201-1) and the right half hoop body (201-2) are symmetrically arranged, circular holding clamping holes (201-3) are formed on the arc surfaces of the left half hoop body (201-1) and the right half hoop body (201-2), a gap is reserved at the upper ends of the left half hoop body (201-1) and the right half hoop body (201-2), extension bodies (201-4) are arranged at the upper ends of the left half hoop body (201-1) and the right half hoop body (201-2), first fastening holes (201-5) are arranged on the two extension bodies, the end plate (202) are respectively positioned on two sides of the holding part (201), the end plate (202) is provided with a hole diameter corresponding to the clamping hole diameter of the end plate (202) and is the hole diameter of the circular clamping hole (201-3) and is formed on the end plate (201-1) in a same mode, a gap is reserved between the end plate (202) and the right half hoop body (201-2), and first mounting holes (202-2) are formed in the upper end and the lower end of the end plate (202).
  2. 2. The unmanned aerial vehicle rotor arm structure according to claim 1, wherein the proximal end of the arm body (1) is provided with a secondary pipe clamp (3), and the secondary pipe clamp (3) comprises two clamp bodies (301) which are symmetrically arranged; The clamp body (301) comprises an arc-shaped section (301-1) with an opening facing to the side, wherein horizontal sections (301-2) are arranged at the upper position and the lower position of the arc-shaped section (301-1), the horizontal sections (301-2) are connected with the arc-shaped section (301-1) through vertical sections (301-3), a bending section (301-4) is arranged at one end of the horizontal sections (301-2) on the same side as the opening of the arc-shaped section (301-1), the bending section (301-4) extends towards the opening side of the arc-shaped section (301-1), and a vertically arranged butt joint section (301-5) is arranged at the extending end of the bending section (301-4); The horizontal section (301-2) is provided with a second mounting hole (301-6), the butt joint section (301-5) and the vertical section (301-3) are provided with second fastening holes (301-7), and the two second fastening holes (301-7) are coaxially arranged.
  3. 3. The unmanned aerial vehicle rotor arm structure according to claim 1, wherein the end plate (202) is provided with a plurality of hollow holes (202-3), and the hollow holes (202-3) are in a strip shape and extend in the up-down direction.
  4. 4. The unmanned aerial vehicle rotor arm structure according to claim 1, wherein the upper and lower ends of the end plate (202) are each provided with a leg (202-4) extending laterally, and the first mounting hole (202-2) is provided on the leg (202-4).
  5. 5. The unmanned aerial vehicle rotor arm structure according to claim 1, wherein threaded holes (202-5) are formed in both left and right side walls of the end plate (202).
  6. 6. The unmanned aerial vehicle rotor arm structure according to claim 1, wherein the arm body (1) comprises a fixed arm (101) and a movable arm (102), and the fixed arm (101) and the movable arm (102) are connected by a folding member (7).
  7. 7. The unmanned aerial vehicle rotor arm structure according to claim 1, wherein the folding piece (7) comprises a first clamping sleeve (701) and a second clamping sleeve (702) with a straight notch on the outer wall, and third fastening holes (703) are arranged on the outer wall of the first clamping sleeve (701) and the second clamping sleeve (702) on two sides corresponding to the straight notch; The novel connecting device is characterized in that a first fixing plate (704) and a second fixing plate (705) are respectively fixed at the adjacent ends of the first clamping sleeve (701) and the second clamping sleeve (702), a connecting groove (706) is formed in the top of the first fixing plate (704), a connecting table (707) is arranged on the top of the second fixing plate (705), the connecting table (707) is rotationally connected in the connecting groove (706), and the bottoms of the first fixing plate (704) and the second fixing plate (705) are fixed through bolts.
  8. 8. The unmanned aerial vehicle rotor arm structure according to claim 1, wherein the motor base (4) comprises base bodies (401) which are symmetrically arranged up and down relative to a horizontal plane, grooves (402) which are clamped and matched with the arm bodies (1) are formed in the matching surfaces of the two base bodies (401), foot plates (403) are arranged on two sides of the base bodies (401), and mounting holes are formed in the foot plates (403); the base body (401) is provided with connecting seats (404) on one side surface deviating from the grooves (402), and the motor (5) is arranged on the connecting seats (404).

Description

Unmanned aerial vehicle rotor arm structure Technical Field The invention relates to the field of unmanned aerial vehicles, in particular to an unmanned aerial vehicle rotor wing arm structure. Background As shown in fig. 1, an existing rotor arm structure of an unmanned aerial vehicle is shown, the rotor arm body is usually a tube body made of carbon fiber, carbon tubes for short, a C-shaped tube clamp is usually used at the proximal end of the rotor arm body to fix the rotor arm body on a body shell of the unmanned aerial vehicle, after the carbon tubes are tightly held by the C-shaped tube clamp due to tolerance problems of the overall dimension of the carbon tubes, the upper end face and the lower end face of the C-shaped tube clamp are not in a horizontal state, the upper end face and the lower end face of the tube clamp cannot be directly attached and fixed to the body shell (gaps are reserved between the upper end face and the lower end face of the tube clamp), and therefore the rotor arm stability of the unmanned aerial vehicle is insufficient. Disclosure of Invention Based on the problems, the invention aims to provide an unmanned aerial vehicle rotor wing arm structure, which adopts the following technical scheme: The invention provides an unmanned aerial vehicle rotor wing arm structure, which comprises a foldable arm body, wherein a motor seat is arranged at the far end of the arm body, a motor is arranged on the motor seat, a paddle is arranged on a driving shaft of the motor, and a main pipe clamp is arranged at the near end of the arm body; The main pipe clamp comprises a clamping part and end plates, wherein the clamping part comprises a left half hoop body and a right half hoop body, the lower ends of the left half hoop body and the right half hoop body are integrally formed, the left half hoop body and the right half hoop body are symmetrically arranged, arc surfaces of the left half hoop body and the right half hoop body form circular clamping holes, gaps are reserved at the upper ends of the left half hoop body and the right half hoop body, extension bodies are arranged at the upper ends of the left half hoop body and the right half hoop body, first fastening holes are formed in the two extension bodies, the number of the end plates is two, the end plates are respectively positioned at two sides of the clamping part, through holes are formed in the positions, corresponding to the circular clamping holes, of the through holes are identical to the diameters of the circular clamping holes, the end plates are integrally formed with the left half hoop body, gaps are reserved between the end plates and the right half hoop body, and first mounting holes are formed in the upper end plates and the lower ends of the end plates. Preferably, a secondary pipe clamp is mounted at the proximal end of the arm body, and the secondary pipe clamp comprises two clamp bodies which are symmetrically arranged; The clamp body comprises an arc-shaped section with an opening facing the side part, wherein the upper and lower positions of the arc-shaped section are respectively provided with a horizontal section, and the horizontal section is connected with the arc-shaped section through a vertical section; the horizontal section is provided with a second mounting hole, the butt joint section and the vertical section are provided with second fastening holes, and the two second fastening holes are coaxially arranged. Preferably, the end plate is provided with a plurality of hollow holes which are in a strip shape and extend along the up-down direction Preferably, the upper and lower ends of the end plate are provided with laterally extending legs, and the first mounting holes are formed in the legs. Preferably, threaded holes are formed in the left side wall and the right side wall of the end plate. Preferably, the arm body includes a fixed arm and a movable arm, which are connected by a folder. Preferably, the folding piece comprises a first clamping sleeve and a second clamping sleeve, wherein the outer wall of the first clamping sleeve and the outer wall of the second clamping sleeve are provided with a straight-line notch, and the outer walls of the first clamping sleeve and the second clamping sleeve are respectively provided with a third fastening hole at two sides corresponding to the straight-line notch; The connecting device comprises a first clamping sleeve and a second clamping sleeve, wherein a first fixing plate and a second fixing plate are respectively fixed at the adjacent ends of the first clamping sleeve and the second clamping sleeve, a connecting groove is formed in the top of the first fixing plate, a connecting table is arranged on the top of the second fixing plate, the connecting table is rotationally connected in the connecting groove, and the bottoms of the first fixing plate and the second fixing plate are fixed through bolts. Preferably, the motor base comprises base bodies which are symm