CN111824440B - Novel unmanned aerial vehicle - Google Patents

Novel unmanned aerial vehicle Download PDF

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Publication number
CN111824440B
CN111824440B CN202010720341.1A CN202010720341A CN111824440B CN 111824440 B CN111824440 B CN 111824440B CN 202010720341 A CN202010720341 A CN 202010720341A CN 111824440 B CN111824440 B CN 111824440B
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CN
China
Prior art keywords
bracket
support
arm
blade
fixed
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CN202010720341.1A
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Chinese (zh)
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CN111824440A (en
Inventor
金国强
金祚顺
辛华翔
丁晓俐
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Guangzhou Litai Energy Technology Co ltd
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Guangzhou Litai Energy Technology Co ltd
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Priority to CN202010720341.1A priority Critical patent/CN111824440B/en
Publication of CN111824440A publication Critical patent/CN111824440A/en
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Publication of CN111824440B publication Critical patent/CN111824440B/en
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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B64AIRCRAFT; AVIATION; COSMONAUTICS
    • B64DEQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
    • B64D47/00Equipment not otherwise provided for
    • B64D47/08Arrangements of cameras
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B64AIRCRAFT; AVIATION; COSMONAUTICS
    • B64CAEROPLANES; HELICOPTERS
    • B64C27/00Rotorcraft; Rotors peculiar thereto
    • B64C27/04Helicopters
    • B64C27/08Helicopters with two or more rotors
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B64AIRCRAFT; AVIATION; COSMONAUTICS
    • B64CAEROPLANES; HELICOPTERS
    • B64C27/00Rotorcraft; Rotors peculiar thereto
    • B64C27/32Rotors
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B64AIRCRAFT; AVIATION; COSMONAUTICS
    • B64CAEROPLANES; HELICOPTERS
    • B64C27/00Rotorcraft; Rotors peculiar thereto
    • B64C27/32Rotors
    • B64C27/46Blades
    • B64C27/473Constructional features
    • B64C27/50Blades foldable to facilitate stowage of aircraft
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T50/00Aeronautics or air transport
    • Y02T50/40Weight reduction

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  • Engineering & Computer Science (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Forklifts And Lifting Vehicles (AREA)

Abstract

The invention discloses a novel unmanned aerial vehicle, which comprises a machine body, a bracket fixed below the machine body and a blade assembly connected with the machine body, wherein the blade assembly comprises a blade arm with a rod-shaped structure; the driving machine seat is connected to one end of the paddle arm; the foldable blade is arranged on the driving machine seat and driven to rotate by the rotary driving device, the bracket comprises a support frame connected below the machine body, a first bracket arranged on the support frame, a second bracket rotationally connected to the bottom of the first bracket, and third brackets respectively connected to two ends of the second bracket and arranged perpendicular to the second bracket; and the fixing bracket is used for fixing the camera body. The invention is provided with the bracket, can realize the adjustment of multiple angles and positions of the camera body, and is also provided with the foldable blade, so that the foldable blade is folded when falling down, and is prevented from being damaged due to contact with the ground.

Description

Novel unmanned aerial vehicle
Technical Field
The invention relates to a novel unmanned aerial vehicle.
Background
The unmanned aerial vehicle is an unmanned aerial vehicle which is controlled by radio remote control equipment or an onboard computer program control system. The unmanned aerial vehicle has the advantages of simple structure and low use cost, can complete tasks executed by the manned aircraft, and is more suitable for tasks which are not executed by the manned aircraft. The system has great effect in emergency and early warning of sudden matters. Unmanned aerial vehicle installs the camera generally for survey and drawing functions such as take photo by plane, this kind of unmanned aerial vehicle among the prior art has following defect at least:
(1) But the angle and height of the camera in the prior art cannot be freely adjusted.
(2) In the normal landing or forced landing process of the unmanned aerial vehicle, the unmanned aerial vehicle is turned over on the side due to unstable landing or other reasons, so that the paddles are crashed on the ground to break the paddles.
Disclosure of Invention
The invention aims to provide an unmanned aerial vehicle capable of solving the problems.
In order to solve the problems, the invention provides a novel unmanned aerial vehicle, which comprises a machine body, a bracket fixed below the machine body and a blade assembly connected with the machine body, and is characterized in that,
the blade assembly includes:
-a paddle arm of rod-like structure;
-a drive housing connected to one end of the paddle arm, the drive housing having a rotary drive mounted therein;
-a blade mounted on the drive housing and driven in rotation by a rotary drive, the rotary blade being foldable;
the bracket comprises:
a support frame connected below the fuselage, said support frame being provided with at least three foot rest tubes for supporting with the ground,
-a first carriage mounted on said carriage, said first carriage being capable of performing a lifting movement and being provided with first braking means capable of stopping the same during lifting;
a second support rotatably connected to the bottom of the first support, the second support being horizontally arranged, the substantially middle position of which is driven by a first rotation mechanism to rotate around the first support and provided with a second braking device for stopping the vehicle;
the third brackets are respectively connected with two ends of the second bracket and are perpendicular to the second bracket, can do telescopic motion along the length direction of the third bracket, and are provided with a third brake device which can stop the third bracket in the telescopic process;
-a fixed support for fixing the camera body, the two ends of said fixed support being respectively rotatably connected to the free ends of two of said third supports, which are driven in a rotary motion by means of a second rotation mechanism and are provided with fourth braking means for stopping the same.
As a further improvement of the invention, a first adjusting pipe and a second adjusting pipe, wherein the upper end part of the second adjusting pipe is inserted into the first adjusting pipe and is fixedly connected with the first adjusting pipe, the second adjusting pipe is provided with two first sliding grooves symmetrically arranged along the central axis of the second adjusting pipe, the first sliding grooves penetrate through the inner wall and the outer wall of the second sliding grooves and the upper end face and the lower end face of the second sliding groove, and two first sliding blocks capable of being respectively inserted into the first sliding grooves are arranged in the first adjusting pipe and driven by a lifting mechanism to slide in the first sliding grooves;
every the paddle is provided with two paddle bodies and fixes the connector in paddle body one end, the connector passes first spout and rotates to be connected in the second regulation intraductal, the free end of connector be in first slider is located when the top stroke of first spout with the free end contact of connector, and by first slider is located it is intraductal to the second regulation, works as first slider is located when the bottom stroke of first spout, the free end of connector can pass through first spout, adjacent two the free end of connector passes through spring coupling.
As a further improvement of the invention, a limit groove is further arranged on the side wall of the free end of the connector, the limit groove is communicated with the side wall and the bottom wall of the free end of the connector, a rotating block is rotationally connected in the limit groove, the rotating block is limited by the side wall of the limit groove when being positioned in the limit groove, and the rotating block rotates out of the limit groove and forms 90 degrees with the limit groove, is limited by the bottom wall of the limit groove, and the two ends of the spring are respectively connected on the side walls of the two rotating blocks.
As a further improvement of the invention, the second braking device and the fourth braking device both comprise a fixed disc and a movable disc, and a plurality of telescopic rods are arranged on the fixed disc, and friction force for limiting the relative movement of the telescopic rods is generated by the contact of the telescopic rods and the surface of the movable disc.
As a further improvement of the present invention,
the first support comprises a first support seat which is fixed below the support frame and is vertically arranged, and a first support arm which is connected below the first support seat in a telescopic mode, wherein the first support arm is of a cylindrical structure.
The third support comprises a third support seat fixed at the end part of the second support and a third support arm which is connected to the third support seat and can do telescopic movement, and the third support arm is of a cylindrical structure.
As a further improvement of the present invention, the first brake device and the third brake device each include two arc-shaped brake pads capable of relative and reverse movement, which generate frictional force limiting movement of the first support arm or the third support arm by contact with a surface of the first support arm or the third support arm.
As a further improvement of the invention, the support comprises a support body fixedly connected with the machine body, the support body is provided with at least three extending arms, each extending arm is rotatably connected with a rotating arm, the foot rest tube is fixed on the rotating arm, and the rotating arm can be driven by a driving device to do rotary motion.
As a further improvement of the invention, one end of the fixed bracket is rotationally connected with one of the third brackets and is driven to rotate by a motor, and the other end of the fixed bracket is rotationally connected with the other third bracket and is provided with the fourth brake device.
As a further improvement of the invention, the lifting mechanism is a cylinder for driving one of the cross bars to lift.
As a further improvement of the invention, the first bracket and the third bracket are driven by a pneumatic device to do lifting motion or telescopic motion; the first rotating mechanism and the second rotating mechanism are motors; the telescopic rod is driven by the pneumatic device to stretch out and draw back, and the arc-shaped brake pad is driven by the pneumatic device to do relative or reverse movement.
The invention has the beneficial effects that the bracket is arranged, so that the camera body can be adjusted in multiple angles and positions, and the foldable blade is also arranged, and the foldable blade is folded when falling down, so that the foldable blade is prevented from being damaged due to contact with the ground.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a schematic structural view of the stent of the present invention.
FIG. 3 is a top view of FIG. 2;
FIG. 4 is a schematic structural view of a second brake device and a fourth brake device;
FIG. 5 is a schematic view of the first brake device and the third brake device;
FIG. 6 is a schematic structural view of the blade assembly of the present invention;
FIG. 7 is a schematic view of a blade in a horizontal position;
FIG. 8 is a schematic view of a blade in a vertical position;
in the figure: 1-a paddle arm; 2-supporting frames; 202-a foot rest tube; 204-a support frame body; 206-a reach arm; 208-rotating arm; 3-driving the machine base; 302-a first regulator tube; 304-a second regulator tube; 306-a first chute; 308-a first slider; 310-a second chute; 312-a second slider; 314-a cross bar; 4-a first scaffold; -a paddle; 502-a blade body; 504-linker; 506-springs; 508-limit grooves; 510-turning the block; 512-first split; 514-second split; 516-third split; 6-a second bracket; 7-a fuselage; 702-connecting the brackets. 8-a third bracket; 802-a third stand; 804-a third support arm; 10-a camera body; 12-fixing a bracket; 1402-a fixed disk; 1404-a removable disk; 1406-telescoping rod; 1602-arc brake pads.
Detailed Description
The technical scheme of the invention is further described below by the specific embodiments with reference to the accompanying drawings.
As shown in fig. 1-8, the present invention includes
Comprising a body 7, a bracket fixed below the body 7, and a blade 5 assembly connected with the body 7, characterized in that,
the blade 5 assembly comprises:
a paddle arm 1 of rod-like structure;
a drive housing 3 connected to one end of the paddle arm 1, the drive housing 3 having a rotary drive mounted therein;
a blade 5 mounted on said drive housing 3 and driven in rotation by a rotary drive, said rotary blade 5 being foldable;
the bracket comprises:
a support frame 2 connected below the fuselage 7, said support frame 2 being provided with at least three foot rest tubes 202 for supporting with the ground,
a first carriage 4 mounted on said support frame 2, said first carriage 4 being capable of undergoing a lifting movement and being provided with first braking means capable of stopping it during lifting;
a second support 6 rotatably connected to the bottom of said first support 4, said second support 6 being horizontally disposed, being driven in a rotation about said first support 4 in a substantially intermediate position by a first rotation mechanism, and being provided with second braking means for stopping the same;
a third bracket 8 respectively connected to both ends of the second bracket 6 and disposed perpendicular to the second bracket 6, wherein the third bracket 8 can perform telescopic movement along the length direction thereof, and is provided with a third brake device capable of stopping the vehicle during the telescopic process thereof;
a fixed support 12 for fixing the camera body 10, both ends of said fixed support 12 being rotatably connected to the free ends of two of said third supports 8, respectively, which are driven in a rotary motion by a second rotation mechanism and are provided with fourth braking means for stopping the same.
As a further improvement of the present invention, a first adjusting pipe 302 and a second adjusting pipe 304 with an upper end portion inserted into the first adjusting pipe 302 and fixedly connected with the first adjusting pipe 302 are disposed above the driving base 3, the second adjusting pipe 304 is provided with two first sliding grooves 306 symmetrically disposed along a central axis thereof, the first sliding grooves 306 penetrate through inner walls and outer walls and an upper end face and a lower end face thereof, two first sliding blocks 308 capable of being respectively inserted into the first sliding grooves 306 are disposed in the first adjusting pipe 302, and the first sliding blocks 308 are driven by a lifting mechanism to slide in the first sliding grooves 306;
each blade 5 is provided with two blade bodies 502 and a connecting body 504 fixed at one end of the blade body 502, the connecting body 504 passes through the first sliding groove 306 and is rotatably connected in the second adjusting tube 304, the free end of the connecting body 504 contacts with the free end of the connecting body 504 when the first sliding block 308 is located at the top stroke of the first sliding groove 306, and is limited in the second adjusting tube 304 by the first sliding block 308, when the first sliding block 308 is located at the bottom stroke of the first sliding groove 306, the free end of the connecting body 504 can pass through the first sliding groove 306, and the free ends of two adjacent connecting bodies 504 can be connected through a spring 506.
As a further improvement of the present invention, a limiting groove 508 is further provided on a side wall of the free end of the connecting body 504, the limiting groove 508 is communicated with the side wall and the bottom wall of the free end of the connecting body 504, a rotating block 510 is rotatably connected to the limiting groove 508, the rotating block 510 is limited by the side wall of the limiting groove 508 when being positioned in the limiting groove 508, the rotating block 510 rotates out of the limiting groove 508 and forms 90 ° with the limiting groove 508, the limiting groove 508 is limited by the bottom wall of the limiting groove 508, and two ends of the spring 506 are respectively connected to the side walls of the two rotating blocks 510.
As a further improvement of the present invention, the second brake device and the fourth brake device each comprise a fixed disc 1402 and a movable disc 1404, wherein a plurality of telescopic rods 1406 are disposed on the fixed disc 1402, and frictional force limiting the relative movement of the telescopic rods 1406 is generated by the contact between the telescopic rods 1406 and the surface of the movable disc 1404.
As a further improvement of the present invention,
the first bracket 4 comprises a first bracket seat fixed below the supporting bracket 2 and vertically arranged, and a first bracket arm connected below the first bracket seat in a telescopic manner, and the first bracket arm is of a cylindrical structure.
The third bracket 8 includes a third bracket seat 802 fixed at the end of the second bracket 6, and a third bracket arm 804 connected to the third bracket seat 802 and capable of performing telescopic movement, and the third bracket arm 804 has a cylindrical structure.
As a further improvement of the present invention, the first brake device and the third brake device each comprise two arc brake pads 1602, wherein the arc brake pads 1602 are capable of relative and reverse movement, which generates friction force limiting movement of the first support arm or the third support arm by contacting with the surface of the first support arm or the third support arm 804.
As a further improvement of the present invention, the support frame 2 includes a support frame main body 204 fixedly connected to the frame 7, the support frame main body 204 is provided with at least three extending arms 206, each extending arm 206 is rotatably connected to a rotating arm 208, the stand pipe 202 is fixed on the rotating arm 208, and the rotating arm 208 can be driven by a driving device to perform a rotational movement.
As a further improvement of the present invention, one end of the fixed bracket 12 is rotatably connected to one of the third brackets 8 and is rotated by a motor, and the other end is rotatably connected to the other third bracket 8 and is provided with the fourth brake device.
As a further improvement of the present invention, the lifting mechanism is a cylinder for driving one of the crossbars 314 to lift.
As a further development of the invention, the first support 4 and the third support 8 are driven by pneumatic means to perform lifting or telescoping movements; the first rotating mechanism and the second rotating mechanism are motors; the telescopic rod 1406 is driven to telescope by a pneumatic device, and the arc brake block 1602 is driven to move relatively or reversely by the pneumatic device.
As a further improvement of the present invention, one end of the fixed bracket 12 is rotatably connected to one of the third brackets 8 and is rotated by a motor, and the other end is rotatably connected to the other third bracket 8 and is provided with the fourth brake device.
As a further improvement of the present invention, the lifting mechanism is a cylinder for driving one of the crossbars 314 to lift.
As a further improvement of the present invention, the connecting body 504 includes a first sub-body 512 disposed at an obtuse angle with respect to the blade body 502, a second sub-body 514 fixed to the first sub-body 512 and disposed perpendicularly thereto, and a third sub-body 516 connected to the second sub-body 514 and disposed at an obtuse angle therewith, a rotational connection between the connecting body 504 and the first chute 306 is located at a connection between the first sub-body 512 and the second sub-body 514, and the limiting groove 508 and the rotating block 510 are located on the third sub-body 516.
As a further improvement of the present invention, two vertical second sliding grooves 310 are provided in the first adjusting tube 302, second sliding blocks 312 capable of sliding therein are provided in the second sliding grooves 310, the two second sliding blocks 312 are fixedly connected with a horizontal cross bar 314, and the bottom of the first sliding block 308 is fixed on the upper surface of the cross bar 314.
Folding principle of blade
(1) In normal use, the cylinder drives the cross rod 314 to move upwards, so that the first sliding block 308 moves on the top stroke of the first sliding groove 306, at the moment, the side surface of the first sliding block 308 contacts with the third split 516 on the connecting body 504 and limits the third split 516 in the second adjusting pipe 304, meanwhile, the spring 506 compresses the deformation storage spring 506 force, at the moment, the two blade bodies 502 are horizontally arranged, and the power output device on the driving machine base 3 drives the two blade bodies 502 to rotate through the first adjusting pipe 302 and the second adjusting pipe 304;
(2) When the unmanned aerial vehicle falls, the air cylinder drives the cross rod 314 to move downwards, so that the first sliding block 308 is located on the bottom stroke of the first sliding block, at this time, the third split 516 on the connecting body 504 loses the limit function of the first sliding block 308, the spring 506 releases the force of the spring 506 to enable the connecting body 504 to be outwards spread, the connecting body 504 rotates around the rotating shaft in the second adjusting pipe 304, so that the blade 5 is split to rotate to the right vertical position, the vertical position is realized by the rotating block 510 and the limit groove 508, because the limit groove 508 limits the rotating block 510 at two positions, namely, when the rotating block 510 is in contact with the side wall of the limit groove 508, the blade 5 is split to be horizontally arranged, and when the rotating block 510 is in contact with the top wall of the limit groove 508, the blade 5 is vertically arranged.
Principle of motion of camera
(1) The first bracket 4 is provided with a first bracket seat and a first bracket arm, the first bracket seat is fixed below the supporting frame 2, and the first bracket arm drives the second bracket 6 to do lifting movement under the driving of the air cylinder;
(2) The middle part of the second bracket 6 is rotationally connected to the first bracket arm and is driven to rotate by a motor;
(3) The two ends of the second bracket 6 are connected with a third bracket 8 which is horizontally arranged, a third bracket seat 802 of the third bracket 8 is fixed at the end part of the second bracket 6, and a third bracket arm 804 can do telescopic movement under the action of an air cylinder;
(4) The third cylinder arms are rotatably connected with a fixed bracket 12 for installing the camera body 10, the free end of one third cylinder arm is connected with a motor, the fixed bracket 12 is driven to rotate by the motor, and the other third cylinder arm is provided with a fourth brake device for braking after the motor rotates;
(5) In addition, a first brake device and a third brake device are respectively arranged on the first support arm and the third support arm 804, the first brake device and the third brake device are respectively provided with two arc brake pads 1602, and the arc brake pads 1602 perform relative movement under the action of an air cylinder to clamp the first support arm or the second support arm 6, so that braking is realized.
(6) The second braking device comprises a fixed disc 1402 arranged on the first bracket 4 and a movable disc 1404 arranged on the second bracket 6, and a telescopic rod 1406 on the fixed disc 1402 stretches under the action of a cylinder to tightly push the movable disc 1404 to realize braking;
(7) The third braking device comprises a fixed disc 1402 arranged on one of the third brackets 8 and a movable disc 1404 arranged at one end of the fixed bracket 12, and a telescopic rod 1406 on the fixed disc 1402 stretches under the action of a cylinder to tightly push the movable disc 1404 to realize braking.
The technical principle of the present invention is described above in connection with the specific embodiments. The description is made for the purpose of illustrating the general principles of the invention and should not be taken in any way as limiting the scope of the invention. Other embodiments of the invention will be apparent to those skilled in the art from consideration of the specification and practice of the invention disclosed herein, without departing from the spirit and scope of the invention as defined by the claims.

Claims (7)

1. A novel unmanned aerial vehicle, which comprises a machine body (7), a bracket fixed below the machine body, and a blade assembly connected with the machine body (7), and is characterized in that,
the blade assembly includes: -a paddle arm (1) of rod-like structure; -a drive housing (3) connected to one end of the paddle arm (1), the drive housing (3) having a rotary drive mounted therein; -a blade (5) mounted on the drive housing (3) and driven in rotation by a rotary drive, the blade (5) being foldable; the bracket comprises: -a support frame (2) connected below the fuselage, said support frame (2) being provided with at least three foot rest tubes (202) for supporting with the ground, -a first support (4) mounted on said support frame (2), said first support (4) being capable of a lifting movement and being provided with first braking means capable of stopping the vehicle during lifting; -a second support (6) rotatably connected to the bottom of said first support (4), said second support (6) being horizontally arranged, substantially in the middle of which a rotary movement is driven about said first support (4) by means of a first rotary mechanism and provided with second braking means for stopping the same; -a third support (8) connected to the two ends of the second support (6) respectively and arranged perpendicular to the second support (6), the third support (8) being capable of telescopic movement along its length and being provided with a third braking device capable of stopping the vehicle during its telescopic movement; -a fixed support (12) for fixing the camera body (10), the two ends of said fixed support (12) being respectively connected in rotation to the free ends of two of said third supports (8), which are driven in rotation by a second rotation mechanism and are provided with fourth braking means for stopping the same;
a first adjusting pipe (302) and a second adjusting pipe (304) with the upper end part inserted into the first adjusting pipe (302) and fixedly connected with the first adjusting pipe (302) are arranged above the driving base (3), the second adjusting pipe (304) is provided with two first sliding grooves (306) symmetrically arranged along the central axis of the second adjusting pipe, the first sliding grooves (306) penetrate through the inner wall and the outer wall of the second adjusting pipe (304) and the upper end face and the lower end face, two first sliding blocks (308) capable of being respectively inserted into the first sliding grooves (306) are arranged in the first adjusting pipe (302), and the first sliding blocks (308) are driven by a lifting mechanism to slide in the first sliding grooves (306); each blade (5) is provided with two blade bodies (502) and a connecting body (504) fixed at one end of each blade body (502), the connecting body (504) penetrates through the first sliding groove (306) and is rotationally connected in the second adjusting pipe (304), the free end of the connecting body (504) is contacted with the free end of the connecting body (504) when the first sliding block (308) is located at the top stroke of the first sliding groove (306), the free end of the connecting body (504) is limited in the second adjusting pipe (304) by the first sliding block (308), and when the first sliding block (308) is located at the bottom stroke of the first sliding groove (306), the free end of the connecting body (504) can be connected through the first sliding groove (306), and the free ends of two adjacent connecting bodies (504) can be connected through springs (506);
still be equipped with a spacing groove (508) on the lateral wall of the free end of connector (504), spacing groove (508) with lateral wall and the diapire intercommunication of the free end of connector (504), spacing groove (508) internal rotation is connected with a rotating block (510), rotating block (510) are located by during spacing groove (508) the lateral wall of spacing groove (508) is spacing, rotating block (510) rotate out spacing groove (508) and with when spacing groove is 90, by spacing groove (508) diapire is spacing, spring (506) both ends are connected respectively on the lateral wall of two rotating block (510).
2. The novel unmanned aerial vehicle according to claim 1, wherein the second braking device and the fourth braking device comprise a fixed disc (1402) and a movable disc (1404), a plurality of telescopic rods (1406) are arranged on the fixed disc (1402), and friction force limiting relative movement of the fixed disc and the movable disc (1404) is generated through surface contact of the telescopic rods (1406).
3. A novel unmanned aerial vehicle according to claim 2, wherein the first bracket (4) comprises a first bracket seat fixed below the supporting frame (2) and arranged vertically, and a first bracket arm connected below the first bracket seat in a telescopic manner, the first bracket arm is of a tubular structure, the third bracket (8) comprises a third bracket seat (802) fixed at the end of the second bracket (6) and a third bracket arm (804) connected to the third bracket seat (802) and capable of performing telescopic movement, and the third bracket arm (804) is of a tubular structure.
4. A novel unmanned aerial vehicle according to claim 3, wherein the first and third brake devices each comprise two arcuate brake pads (1602), the arcuate brake pads (1602) being capable of relative and reverse movement by contact with the surface of the first or third support arms (804) to generate friction limiting movement of the first or third support arms (804).
5. The novel unmanned aerial vehicle according to claim 4, wherein the supporting frame (2) comprises a supporting frame main body (204) fixedly connected with the machine body, the supporting frame main body (204) is provided with at least three extending arms (206), each extending arm (206) is rotatably connected with a rotating arm (208), the foot rest tube (202) is fixed on the rotating arm (208), and the rotating arm (208) can be driven by a driving device to do rotary motion.
6. The novel unmanned aerial vehicle according to claim 5, wherein one end of the fixed bracket (12) is rotatably connected with one of the third brackets (8) and is driven to rotate by a motor, and the other end of the fixed bracket is rotatably connected with the other third bracket (8) and is provided with the fourth brake device.
7. A novel unmanned aerial vehicle according to claim 6, wherein the first and third supports (4, 8) are driven by pneumatic means to move up and down or to retract; the first rotating mechanism and the second rotating mechanism are motors; the telescopic rod (1406) is driven by a pneumatic device to stretch, and the arc-shaped brake block (1602) is driven by the pneumatic device to do relative or reverse movement.
CN202010720341.1A 2020-07-24 2020-07-24 Novel unmanned aerial vehicle Active CN111824440B (en)

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CN111824440B true CN111824440B (en) 2023-07-28

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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104176199A (en) * 2014-07-17 2014-12-03 武汉船用机械有限责任公司 Horizontal cable lifter brake structure
CN104696690A (en) * 2015-03-18 2015-06-10 零度智控(北京)智能科技有限公司 Onboard holder
CN206327559U (en) * 2016-12-13 2017-07-14 西安昂翼机器人科技有限公司 A kind of foldable cantilever rotor and its aircraft using the cantilever rotor
CN206694765U (en) * 2016-09-09 2017-12-01 深圳市大疆创新科技有限公司 A kind of unmanned plane of the load component and carry load component
CN208565338U (en) * 2018-01-26 2019-03-01 天津息通科技有限公司 A kind of self-regulation pneumatically operated brake
CN208699041U (en) * 2018-08-16 2019-04-05 深圳市奥贝尔电子有限公司 A kind of unmanned plane wing that can be folded
CN110104161A (en) * 2019-04-25 2019-08-09 北京理工大学 Folding fin unfolding mechanism and its method of deploying

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104176199A (en) * 2014-07-17 2014-12-03 武汉船用机械有限责任公司 Horizontal cable lifter brake structure
CN104696690A (en) * 2015-03-18 2015-06-10 零度智控(北京)智能科技有限公司 Onboard holder
CN206694765U (en) * 2016-09-09 2017-12-01 深圳市大疆创新科技有限公司 A kind of unmanned plane of the load component and carry load component
CN206327559U (en) * 2016-12-13 2017-07-14 西安昂翼机器人科技有限公司 A kind of foldable cantilever rotor and its aircraft using the cantilever rotor
CN208565338U (en) * 2018-01-26 2019-03-01 天津息通科技有限公司 A kind of self-regulation pneumatically operated brake
CN208699041U (en) * 2018-08-16 2019-04-05 深圳市奥贝尔电子有限公司 A kind of unmanned plane wing that can be folded
CN110104161A (en) * 2019-04-25 2019-08-09 北京理工大学 Folding fin unfolding mechanism and its method of deploying

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