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CN-121973976-A - Eight-axis multi-rotor heavy-duty unmanned aerial vehicle

CN121973976ACN 121973976 ACN121973976 ACN 121973976ACN-121973976-A

Abstract

The invention relates to the field of unmanned aerial vehicles, in particular to an eight-axis multi-rotor heavy-duty unmanned aerial vehicle with a rotor arm structure of an unmanned aerial vehicle, which comprises a machine body, wherein a cover plate is arranged at the top of the machine body, eight foldable rotor arms are arranged around the machine body, a motor is arranged at the far end of each rotor arm, a main pipe clamp is arranged at the near end of each rotor arm, each main pipe clamp comprises a clamping part and an end plate, each clamping part comprises a left half hoop body and a right half hoop body, arc surfaces of each clamping part form a circular clamping hole, extension bodies are arranged at the upper ends of each left half hoop body and each right half hoop body, first fastening holes are formed in each extension body, the number of the end plates is two, the end plates are respectively arranged at two sides of the clamping parts, the end plates and the left half hoop bodies are integrally formed, a gap is reserved between each end plate and each right half hoop body, and first mounting holes are formed at the upper end and lower ends of each end plate. The eight-axis multi-rotor heavy-duty unmanned aerial vehicle is better in stability, and the rotor arm and the fuselage are firmly connected, so that heavy-duty flight of the unmanned aerial vehicle is facilitated.

Inventors

  • XIU YU
  • Request for anonymity
  • YE MENGXIN

Assignees

  • 翼安科技(湖北)有限公司

Dates

Publication Date
20260505
Application Date
20260403

Claims (10)

  1. 1. The eight-axis multi-rotor heavy-duty unmanned aerial vehicle comprises a machine body (8), wherein a cover plate (801) is arranged at the top of the machine body (8), eight foldable rotor arms (1) are arranged around the machine body (8), a motor base (4) is arranged at the far end of each rotor arm (1), a motor (5) is arranged on each motor base (4), and a paddle (6) is arranged on a driving shaft of each motor (5), and the eight-axis multi-rotor heavy-duty unmanned aerial vehicle is characterized in that a plurality of main pipe clamps (2) are arranged at the near end of each rotor arm (1), the top of each main pipe clamp (2) is connected with the cover plate (801), and the top of each main pipe clamp (2) is connected with the machine body (8); 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 eight-axis multi-rotor heavy-duty unmanned aerial vehicle according to claim 1, wherein a secondary pipe clamp (3) is arranged at the proximal end of the rotor arm (1), the secondary pipe clamp (3) is positioned between two adjacent main pipe clamps (2), 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 eight-axis multi-rotor heavy-duty unmanned aerial vehicle of claim 1, wherein the end plate (202) is provided with a plurality of hollowed holes (202-3), and the hollowed holes (202-3) are in a strip shape and extend in the up-down direction.
  4. 4. The eight-axis multi-rotor heavy-duty unmanned aerial vehicle of claim 1, wherein the upper end and the lower end of the end plate (202) are provided with supporting legs (202-4) extending to the lateral direction, and the first mounting holes (202-2) are arranged on the supporting legs (202-4).
  5. 5. The eight-axis multi-rotor heavy-duty unmanned aerial vehicle of claim 1, wherein threaded holes (202-5) are formed in the left and right side walls of the end plate (202).
  6. 6. The eight-axis multi-rotor heavy-duty unmanned aerial vehicle of claim 1, wherein the rotor arm (1) comprises a fixed arm (101) and a movable arm (102), and the fixed arm (101) and the movable arm (102) are connected through a folding piece (7).
  7. 7. The eight-axis multi-rotor heavy-duty unmanned aerial vehicle according to claim 1, wherein the folding piece (7) comprises a first jacket (701) and a second jacket (702) with a linear notch on the outer wall, and third fastening holes (703) are arranged on the outer wall of the first jacket (701) and the second jacket (702) on two sides corresponding to the linear 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 eight-axis multi-rotor heavy-duty unmanned aerial vehicle according to claim 1, wherein a foot stand (9) is arranged at the bottom of the body (8), and a searchlight (10) is arranged on the foot stand (9).
  9. 9. The eight-axis multi-rotor heavy-duty unmanned aerial vehicle according to claim 1, wherein the side part of the fuselage (8) is provided with a camera (11) and a radar (12).
  10. 10. The eight-axis multi-rotor heavy-duty unmanned aerial vehicle according to claim 1, wherein a plurality of sunken battery bins (13) are arranged on the fuselage (8), and battery mounting holes (802) are formed in the cover plate (801) at positions corresponding to the battery bins (13).

Description

Eight-axis multi-rotor heavy-duty unmanned aerial vehicle Technical Field The invention relates to the field of unmanned aerial vehicles, in particular to an eight-axis multi-rotor heavy-duty unmanned aerial vehicle. Background In the age of rapid development of unmanned aerial vehicle industry, special unmanned aerial vehicles gradually enter the field of vision of masses, wherein heavy-duty unmanned aerial vehicles are widely used in the fields of express delivery, fire rescue and the like because of large carrying capacity, and unmanned aerial vehicle rotor wing arms play a very important role in the flight process as key of the heavy-duty unmanned aerial vehicles. As shown in fig. 1, the rotor wing arm mounting structure of the existing heavy-duty unmanned aerial vehicle is shown, the rotor wing arm is usually a tube body made of carbon fiber, carbon tubes for short, the near end of the rotor wing arm is usually fixed on the unmanned aerial vehicle body shell by using a C-shaped tube clamp, 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, and 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), so that the stability of the rotor wing arm of the unmanned aerial vehicle is insufficient. Disclosure of Invention Based on the problems, the invention aims to provide an eight-axis multi-rotor heavy-duty unmanned aerial vehicle, which adopts the following technical scheme: The invention provides an eight-axis multi-rotor heavy-duty unmanned aerial vehicle, which comprises a machine body, wherein a cover plate is arranged at the top of the machine body, eight foldable rotor arms are arranged around the machine body, a motor base is arranged at the far end of each rotor arm, a motor is arranged on each motor base, a paddle is arranged on a driving shaft of each motor, a plurality of main pipe clamps are arranged at the near end of each rotor arm, the top of each main pipe clamp is connected with the cover plate, and the top of each main pipe clamp is connected with the machine 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 rotor arm, the secondary pipe clamp is positioned between two adjacent main pipe clamps, 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 rotor arm comprises a fixed arm and a movable arm, the fixed arm and the movable arm being connected by a folding member. Preferably, the folding piece comprises a first clamping sleeve and a second clamping sleeve, wherein the outer wall of the first clamping sleeve and