CN117416536A - Unmanned aerial vehicle with landing protection function - Google Patents

Unmanned aerial vehicle with landing protection function Download PDF

Info

Publication number
CN117416536A
CN117416536A CN202311384862.4A CN202311384862A CN117416536A CN 117416536 A CN117416536 A CN 117416536A CN 202311384862 A CN202311384862 A CN 202311384862A CN 117416536 A CN117416536 A CN 117416536A
Authority
CN
China
Prior art keywords
frame
unmanned aerial
aerial vehicle
winding
fixing frame
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202311384862.4A
Other languages
Chinese (zh)
Inventor
闫静
叶婷
赵月姣
黎娟
王博华
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Xian Aeronautical Polytechnic Institute
Original Assignee
Xian Aeronautical Polytechnic Institute
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Xian Aeronautical Polytechnic Institute filed Critical Xian Aeronautical Polytechnic Institute
Priority to CN202311384862.4A priority Critical patent/CN117416536A/en
Publication of CN117416536A publication Critical patent/CN117416536A/en
Pending legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B64AIRCRAFT; AVIATION; COSMONAUTICS
    • B64UUNMANNED AERIAL VEHICLES [UAV]; EQUIPMENT THEREFOR
    • B64U20/00Constructional aspects of UAVs
    • B64U20/30Constructional aspects of UAVs for safety, e.g. with frangible components
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B64AIRCRAFT; AVIATION; COSMONAUTICS
    • B64UUNMANNED AERIAL VEHICLES [UAV]; EQUIPMENT THEREFOR
    • B64U10/00Type of UAV
    • B64U10/10Rotorcrafts
    • B64U10/13Flying platforms
    • B64U10/14Flying platforms with four distinct rotor axes, e.g. quadcopters
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B64AIRCRAFT; AVIATION; COSMONAUTICS
    • B64UUNMANNED AERIAL VEHICLES [UAV]; EQUIPMENT THEREFOR
    • B64U60/00Undercarriages
    • B64U60/50Undercarriages with landing legs
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B64AIRCRAFT; AVIATION; COSMONAUTICS
    • B64UUNMANNED AERIAL VEHICLES [UAV]; EQUIPMENT THEREFOR
    • B64U2101/00UAVs specially adapted for particular uses or applications
    • B64U2101/30UAVs specially adapted for particular uses or applications for imaging, photography or videography

Landscapes

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

Abstract

The invention discloses an unmanned aerial vehicle with a landing protection function, which comprises a machine body, wherein racks are arranged on two sides of the machine body, wings are arranged on the racks, cameras are arranged at the lower end of the machine body, the upper surface of the racks is respectively connected with a first fixing frame and a second fixing frame which are oppositely arranged in a U shape through a first driving mechanism, one ends of the first fixing frame and the second fixing frame are movably connected with corresponding first driving mechanisms, the other ends of the first fixing frames are connected with a winding mechanism, the other ends of the second fixing frames are connected with fixing frames, protective cloth is connected in the winding mechanism, the free ends of the protective cloth are connected with the fixing frames through telescopic connecting pieces, and the length of the protective cloth is larger than the distance between the winding mechanism and the fixing frames. The protection cloth expands to form circular arc-shaped bulges when the unmanned aerial vehicle falls, so that the resistance of the unmanned aerial vehicle and air can be improved, the unmanned aerial vehicle can slowly fall, and the use safety of the unmanned aerial vehicle is improved.

Description

Unmanned aerial vehicle with landing protection function
Technical Field
The invention belongs to the technical field of flight equipment, and relates to an unmanned aerial vehicle with a landing protection function.
Background
Unmanned aerial vehicles are unmanned aerial vehicles operated by using radio remote control equipment and a self-contained program control device, and are widely applied to various industries. When using unmanned aerial vehicle, unmanned aerial vehicle runs into behind bad weather such as strong wind in the sky, unmanned aerial vehicle's wing receives the influence, then leads to unmanned aerial vehicle to keep the state of flight in the sky, then leads to taking place unmanned aerial vehicle and take place the crash, then leads to taking place the problem that influences unmanned aerial vehicle result in use.
Disclosure of Invention
The invention aims to provide an unmanned aerial vehicle with a landing protection function, and solves the problem that the unmanned aerial vehicle is easy to crash when the weather is bad in the prior art.
The unmanned aerial vehicle with the landing protection function comprises a machine body, wherein racks are arranged on two sides of the machine body, wings are arranged on the racks, cameras are arranged at the lower end of the machine body, the upper surface of the racks is connected with a first U-shaped fixing frame and a second fixing frame which are arranged oppositely through a first driving mechanism respectively, one end of the first fixing frame and one end of the second fixing frame are movably connected with the corresponding first driving mechanism, the other end of the first fixing frame is connected with a winding mechanism, the other end of the second fixing frame is connected with a fixing frame, protective cloth is connected in the winding mechanism, the free end of the protective cloth is connected with the fixing frame through a telescopic connecting piece, and the length of the protective cloth is larger than the distance between the winding mechanism and the fixing frame; the outer sides of the first fixing frame and the second fixing frame are respectively and movably connected with a supporting mechanism.
The invention is also characterized in that:
the winding mechanism comprises a winding groove, an opening of the winding groove faces to the fixing frame, a first winding rod is arranged in the winding groove, one end of the protective cloth is fixed on the first winding rod, one end of the first winding rod extends out of the winding groove to be connected with a second driving mechanism, and at least one control block is arranged at the other end of the protective cloth and movably connected with the telescopic connecting piece.
The bottom of the rolling groove is hinged with a cloth shielding plate, the height of the cloth shielding plate is smaller than that of the rolling groove, a gap is formed between the cloth shielding plate and the rolling groove, and a control block is located in the gap.
The second driving mechanism comprises a first gear connected to one end of the first winding rod, the first gear is located at one end outside the winding groove, and the second driving mechanism further comprises a third motor, and an output shaft of the third motor is connected with a second gear meshed with the first gear.
The control block comprises a control frame, an opening is formed in one side of the control frame, a baffle is movably connected to the opening of the control frame, the baffle is positioned in the control frame, and the length of the baffle is larger than that of the opening of the control block; the inner side of the baffle is connected with a first spring, the other end of the first spring is connected to the inner side wall of the control frame, a pull rope is sleeved in the first spring, one end of the pull rope is connected with the baffle, the outer side wall of the control frame is connected with a second motor, an output shaft of the second motor is connected with a second winding rod, the other end of the pull rope extends out of the side wall of the control frame and is connected with the second winding rod, and the second winding rod is perpendicular to the first spring; the telescopic connecting piece is movably connected with the control frame.
The telescopic connecting piece comprises a first telescopic rod, the fixed end of the first telescopic rod is connected with the fixed frame, and the free end of the first telescopic rod is movably connected with the control frame through a lantern ring.
The mount includes the link, and the link is fixed at second mount internal surface, but the telescopic link connects on the link.
The free end of the second fixing frame is connected with a supporting block, the surface of the supporting block is fixedly provided with a reinforcing block, and the telescopic connecting piece penetrates through the reinforcing block to be connected with the connecting frame.
The supporting mechanism comprises a first U-shaped block, the first fixing frame is hinged with supporting legs through the first U-shaped block, through holes are formed in the supporting legs, and a clamping plate matched with the through holes is fixed on the side wall, connected with the first driving mechanism, of the first fixing frame.
The clamping plate comprises an L-shaped clamping plate, a sliding groove is formed in the tail end of the clamping plate inwards, two sliding blocks are connected in the sliding groove in a sliding mode, the two sliding blocks are connected through a second telescopic rod, and a second spring is sleeved outside the second telescopic rod.
The beneficial effects of the invention are as follows: according to the unmanned aerial vehicle with the landing protection function, when the unmanned aerial vehicle falls, the protection cloth is unfolded to form the arc-shaped bulge, so that the resistance of the unmanned aerial vehicle and air can be improved, the unmanned aerial vehicle can slowly land, the influence on the wings of the unmanned aerial vehicle after the unmanned aerial vehicle encounters severe weather such as strong wind in the air can be avoided, and the situation that the unmanned aerial vehicle cannot keep a flying state in the air is caused, so that the use safety of the unmanned aerial vehicle is improved; the first winding rod winds the released protective cloth, and then after all the protective cloth is wound, the control block is positioned at a gap between the shielding cloth plate and the winding groove, so that the protective cloth can be conveniently stored; when the winding mechanism and the fixing frame rotate to the upper end of the machine body, the supporting legs rotate 180 degrees around the first U-shaped block to form new unmanned aerial vehicle supporting legs, so that the unmanned aerial vehicle is convenient to contact with the ground.
Drawings
FIG. 1 is a schematic view of a structure of a unmanned aerial vehicle with a landing protection function according to the present invention;
FIG. 2 is a landing status block diagram of the unmanned aerial vehicle with landing protection function of the present invention;
fig. 3 is a structural diagram of a protection mechanism of the unmanned aerial vehicle with a landing protection function according to the present invention;
fig. 4 is a structural diagram of a winding mechanism of the unmanned aerial vehicle with a landing protection function;
FIG. 5 is a block diagram of a second drive mechanism of the unmanned aerial vehicle with touchdown protection of the present invention;
FIG. 6 is a diagram of the internal structure of a winding mechanism of the unmanned aerial vehicle with landing protection function of the present invention;
FIG. 7 is a block diagram of a control block of the unmanned aerial vehicle with landing protection according to the present invention;
FIG. 8 is a block diagram of a mount of the unmanned aerial vehicle with landing protection according to the present invention;
fig. 9 is a structural view of a supporting mechanism of the unmanned aerial vehicle with a landing protection function according to the present invention;
fig. 10 is a view showing a structure of a support mechanism of the unmanned aerial vehicle with a landing protection function according to the present invention in an unfolded state;
fig. 11 is a block diagram of the unmanned aerial vehicle with landing protection according to the present invention.
In the drawings, 1 a fuselage, 2 a frame, 3 a wing, 4 a first mount, 5 a second mount, 6 a wrap mechanism, 61 a wrap slot, 62 a first wrap bar, 63 a second drive mechanism, 631 a first gear, 632 a third motor, 633 a second gear, 64 a control block, 641 a control frame, 642 a baffle, 643 a first spring, 644 a pull cord, 645 a second motor, 646 a second wrap bar, 647 a first fixed plate, 648 a second U-shaped block, 649 a first round bar, 65 a restrictor plate, 66 a cloth plate, 661 a fixed block, 662 a second round bar, 7 a mount, 701 a connecting frame, 702 a support block, 703 a reinforcing block, 8 a protective cloth, 9 a telescoping connection 901 a first telescoping bar, 902 a collar, 10 a support mechanism, 101 a first U-shaped block, 102 a support leg, 103 a through hole, 104 a clamp plate, 1041, 1042 a slide plate, 4 a limiting block, 14 a second spring, 105 a rubber pad, 11, 106 a telescoping head, 11 a second spring, and the like.
Detailed Description
The invention will be described in detail below with reference to the drawings and the detailed description.
Example 1
1-2, including the fuselage 1, the both sides of fuselage 1 are equipped with the frame 2, be equipped with the wing 3 on the frame 2, the lower extreme of fuselage 1 is equipped with camera 11, the upper surface of frame 2 is connected with the first mount 4 of relative U type, the second mount 5 of setting through first actuating mechanism respectively, first mount 4, second mount 5 one end and corresponding first actuating mechanism swing joint, the first mount 4 other end is connected with winding mechanism 6, the second mount 5 other end is connected with mount 7, be connected with protective cloth 8 in the winding mechanism 6, protective cloth 8 free end is connected with mount 7 through telescopic link 9, protective cloth 8 length is greater than the distance between winding mechanism 6 and the mount 7; the outer sides of the first fixing frame 4 and the second fixing frame 5 are respectively and movably connected with a supporting mechanism 10. In this embodiment, the unmanned aerial vehicle is a disc brushless motor driven unmanned aerial vehicle.
Example 2
1-2, including the fuselage 1, the both sides of fuselage 1 are equipped with the frame 2, be equipped with the wing 3 on the frame 2, the lower extreme of fuselage 1 is equipped with camera 11, the upper surface of frame 2 is connected with the first mount 4 of relative U type, the second mount 5 of setting through first actuating mechanism respectively, first mount 4, second mount 5 one end and corresponding first actuating mechanism swing joint, the first mount 4 other end is connected with winding mechanism 6, the second mount 5 other end is connected with mount 7, be connected with protective cloth 8 in the winding mechanism 6, protective cloth 8 free end is connected with mount 7 through telescopic link 9, protective cloth 8 length is greater than the distance between winding mechanism 6 and the mount 7; the outer sides of the bottom plates of the first fixing frame 4 and the second fixing frame 5 are respectively and movably connected with a supporting mechanism 10.
In this embodiment, as shown in fig. 3-6, the winding mechanism 6 includes a winding groove 61, an opening of the winding groove 61 faces the fixing frame 7, a first winding rod 62 is disposed in the winding groove 61, one end of the protective cloth 8 is fixed on the first winding rod 62, one end of the first winding rod 62 extends out of the winding groove 61 and is connected with a second driving mechanism 63, at least one control block 64 is disposed at the other end of the protective cloth 8, and the control block 64 is movably connected with the telescopic connecting piece 9. Limiting plates 65 are sleeved at two ends of the first winding rod 62 respectively, and the distance between the two limiting plates 65 is equal to the width of the protective cloth 8.
The bottom of the winding groove 61 is hinged with a shielding plate 66, the height of the shielding plate 66 is smaller than that of the winding groove 61, a gap is formed between the shielding plate 66 and the winding groove 61, and the control block 64 is positioned in the gap. As shown in fig. 7, two fixing blocks 661 are fixed on the side of the cloth shielding plate 66, a second round bar 662 is rotatably connected between the two fixing blocks 661, the length of the second round bar 662 is larger than the width of the protective cloth 8, and the second round bar 662 is fixed at the bottom of the winding groove 61.
The second driving mechanism 63 includes a first gear 631 connected to one end of the first winding rod 62, the first gear 631 is located at one end outside the winding groove 61, and a third motor 632, and an output shaft of the third motor 632 is connected to a second gear 633 meshed with the first gear 631.
As shown in fig. 8, the control block 64 includes a control frame 641, an opening is formed on one side of the control frame 641, a baffle 642 is movably connected to the opening of the control frame 641, the baffle 642 is located in the control frame 641, and the length of the baffle 642 is greater than the opening length of the control block 64; the inner side of the baffle 642 is connected with a first spring 643, the other end of the first spring 643 is connected to the inner side wall of the control frame 641, a pull rope 644 is sleeved in the first spring 643, one end of the pull rope 644 is connected with the baffle 642, the outer side wall of the control frame 641 is connected with a second motor 645, and the second motor 645 is fixed to the outer side wall of the control frame 641 through a first fixing plate 647. The output shaft of the second motor 645 is connected with a second winding rod 646, the other end of the pull rope 644 extends out of the side wall of the control frame 641 and is connected with the second winding rod 646, and the second winding rod 646 is perpendicular to the first spring 643; the telescopic link 9 is movably connected with the control frame 641.
The telescopic connecting piece 9 comprises a first telescopic rod 901, the fixed end of the first telescopic rod 901 is connected with the fixed frame 7, and the free end of the first telescopic rod 901 is movably connected with the control frame 641 through a collar 902.
As shown in fig. 9, the fixing frame 7 includes a connection frame 701, the connection frame 701 is fixed on the inner surface of the second fixing frame 5, and a telescopic connection member is connected to the connection frame 701. The free end of the second fixing frame 5 is connected with a supporting block 702, a reinforcing block 703 is fixed on the surface of the supporting block 702, and a telescopic connecting piece passes through the reinforcing block 703 and is connected with the connecting frame 701.
Example 3
1-2, including the fuselage 1, the both sides of fuselage 1 are equipped with the frame 2, be equipped with the wing 3 on the frame 2, the lower extreme of fuselage 1 is equipped with camera 11, the upper surface of frame 2 is connected with the first mount 4 of relative U type, the second mount 5 of setting through first actuating mechanism respectively, first mount 4, second mount 5 one end and corresponding first actuating mechanism swing joint, the first mount 4 other end is connected with winding mechanism 6, the second mount 5 other end is connected with mount 7, be connected with protective cloth 8 in the winding mechanism 6, protective cloth 8 free end is connected with mount 7 through telescopic link 9, protective cloth 8 length is greater than the distance between winding mechanism 6 and the mount 7; the outer sides of the bottom plates of the first fixing frame 4 and the second fixing frame 5 are respectively and movably connected with a supporting mechanism 10 at one end close to the first driving mechanism. The winding mechanism 6, the protective cloth 8, the mount 7 can be when unmanned aerial vehicle can't keep flying, come to carry out the deceleration buffering to unmanned aerial vehicle that falls, avoid unmanned aerial vehicle to take place the crash, and when not using, winding mechanism 6, mount 7 can be used as the support frame, and first mount 4, the 5 outsides of second mount respectively swing joint have supporting mechanism 10, can be when winding mechanism 6, protective cloth 8, mount 7 use, generate new support frame, make things convenient for unmanned aerial vehicle and ground contact. The first driving mechanism is a first motor 12, and an output shaft of the first motor 12 is connected with the first fixing frame 4 and the second fixing frame 5 to drive the first fixing frame 4 and the second fixing frame 5 to rotate.
As shown in fig. 3-5, the winding mechanism 6 includes a winding groove 61, an opening of the winding groove 61 faces the fixing frame 7, a first winding rod 62 is provided in the winding groove 61, one end of the protective cloth 8 is fixed on the first winding rod 62, one end of the first winding rod 62 extends out of the winding groove 61 and is connected with a second driving mechanism 63, at least one control block 64 is provided at the other end of the protective cloth 8, and the control block 64 is movably connected with the telescopic connecting piece 9. The second driving mechanism 63 includes a first gear 631 connected to one end of the first winding rod 62, the first gear 631 is located at one end outside the winding groove 61, and a third motor 632, and an output shaft of the third motor 632 is connected to a second gear 633 meshed with the first gear 631. Limiting plates 65 are sleeved at two ends of the first winding rod 62 respectively, and the distance between the two limiting plates 65 is equal to the width of the protective cloth 8. After the protective cloth 8 is wound by the first winding rod 62, the limiting plates 65 limit the two ends of the protective cloth 8, so that dislocation is avoided when the protective cloth 8 is wound on the first winding rod 62.
The bottom of the winding groove 61 is hinged with a shielding plate 66, the height of the shielding plate 66 is smaller than that of the winding groove 61, a gap is formed between the shielding plate 66 and the winding groove 61, and the control block 64 is positioned in the gap. As shown in fig. 6, two fixing blocks 661 are fixed on the side of the cloth shielding plate 66, a second round bar 662 is rotatably connected between the two fixing blocks 661, the length of the second round bar 662 is larger than the width of the protective cloth 8, and the second round bar 662 is fixed at the bottom of the winding groove 61. The friction between the shield cloth 8 and the cloth covering plate 66 can be reduced by the second round bar 662 when the shield cloth 8 is released and retracted, and then the abrasion between the shield cloth 8 and the cloth covering plate 66 is reduced, thereby improving the service life of the shield cloth 8.
As shown in fig. 7, the control block 64 includes a control frame 641, an opening is formed on one side of the control frame 641, a baffle 642 is movably connected to the opening of the control frame 641, the baffle 642 is located in the control frame 641, and the length of the baffle 642 is greater than the opening length of the control block 64; specifically, a second U-shaped block 648 is disposed inside the control frame 641, two ends of the second U-shaped block 648 are connected by a first round bar 649, one end of the baffle 642 is connected to the first round bar 649, and the other end is located inside the control frame 641. The inner side of the baffle 642 is connected with a first spring 643, the other end of the first spring 643 is connected to the inner side wall of the control frame 641, a pull rope 644 is sleeved in the first spring 643, one end of the pull rope 644 is connected with the baffle 642, the outer side wall of the control frame 641 is connected with a second motor 645, and the second motor 645 is fixed to the outer side wall of the control frame 641 through a first fixing plate 647. Further, a limit bolt is arranged between the first spring 643 and the pull rope 644 to prevent the first spring 643 from being excessively compressed. The output shaft of the second motor 645 is connected with a second winding rod 646, the other end of the pull rope 644 extends out of the side wall of the control frame 641 and is connected with the second winding rod 646, and the second winding rod 646 is perpendicular to the first spring 643; the telescopic link 9 is movably connected with the control frame 641.
The telescopic connecting piece 9 comprises a first telescopic rod 901, the fixed end of the first telescopic rod 901 is connected with the fixed frame 7, and the free end of the first telescopic rod 901 is movably connected with the control frame 641 through a collar 902. The first telescopic rod 901 is an electric telescopic rod. In this embodiment, the telescopic connection 9 comprises three first telescopic rods 901 and corresponding collars 902.
As shown in fig. 8, the fixing frame 7 includes a connection frame 701, the connection frame 701 is fixed on the inner surface of the second fixing frame 5, and a telescopic connection member is connected to the connection frame 701. The free end of the second fixing frame 5 is connected with a supporting block 702, a reinforcing block 703 is fixed on the surface of the supporting block 702, and a telescopic connecting piece passes through the reinforcing block 703 and is connected with the connecting frame 701. When using first telescopic link 901, can promote the joint strength of first telescopic link 901 and supporting shoe 702 through strengthening piece 703, avoid the condition emergence that first telescopic link 901 position changes.
In this embodiment, as shown in fig. 9-10, the supporting mechanism 10 includes a first U-shaped block 101, the first U-shaped block 101 is located at the outer side of the bottom plate of the first fixing frame 4 and near one end of the first driving mechanism, the first fixing frame 4 is hinged with supporting legs 102 through the first U-shaped block 101, through holes 103 are formed in the supporting legs 102, and a clamping plate 104 adapted to the through holes 103 is fixed on the side wall of the first fixing frame 4 connected with the first driving mechanism.
As shown in fig. 11, the clamping plate 104 includes an L-shaped clamping plate 1041, a sliding groove 1042 is inwardly provided at the end of the clamping plate 1041, two sliding blocks 1043 are slidably connected in the sliding groove 1042, the two sliding blocks 1043 are connected through a second telescopic rod 1045, a second spring 1044 is sleeved outside the second telescopic rod 1045, and two ends of the second spring 1044 are in contact with the sliding blocks 1043. When the second spring 1044 compresses and returns, the second telescopic rod 1045 limits the shape of the second spring 1044, thereby improving the usage effect of the second spring 1044. The free ends of the support legs 102 are provided with rubber pads 105. The impact force when the unmanned aerial vehicle falls to the ground can be reduced through the rubber pad 105 to promote the result of use of supporting leg 102. An angle limiting block 106 is arranged between the supporting leg 102 and the first fixing frame 4. By using the angle limiting block 106, the angle between the supporting leg 102 and the first U-shaped block 101 can be limited, and then after the first fixing frame 4 and the second fixing frame 5 are turned over, the supporting leg 102 is more easily rotated downwards by gravity, so that the using effect of the supporting leg 102 is improved.
The unmanned aerial vehicle with the landing protection function has the following working principle:
when the unmanned aerial vehicle is used, the disc brushless motor on the surface of the frame 2 is started, then the wings 3 are driven to rotate, then the machine body 1 and the camera 11 are lifted, then the unmanned aerial vehicle takes off and uses, at the moment, the first fixing frame 4, the winding mechanism 6 and the second fixing frame 5 form a supporting frame with the fixing frame 7 to use, when the unmanned aerial vehicle can not keep a flying state in the air, the first driving mechanism on the surface of the frame 2 is started, the winding mechanism 6 and the fixing frame 7 are driven by the first fixing frame 4 and the second fixing frame 5 to rotate 180 degrees, and the winding mechanism 6 and the fixing frame 7 reach the upper end of the unmanned aerial vehicle; actuating the telescopic link 9 to bring collar 902 at the output end of three multi-section first telescopic rod 901 close to control block 64, collar 902 squeezing baffle 642, baffle 642 rotating towards control frame 641 to compress first spring 643, baffle 642 forming a gap between control frames 641, collar 902 entering control frame 641; after that, the first spring 643 is reset, the baffle 642 contacts the control frame 641 to block the opening of the control block 64, and the collar 902 is clamped inside the control block 64; the first telescopic link 901 is retracted, the lantern ring 902 pulls control frame 641, start the third motor 632 simultaneously, drive the second gear 633 and rotate, drive first rolling pole 62 through first gear 631 and rotate, make protective cloth 8 expand, then the lantern ring 902 can drive protective cloth 8 free end and reach supporting shoe 702 department, protective cloth 8 is whole to be emitted this moment, the protective cloth 8 of expanding can form circular-arc bulge when unmanned aerial vehicle whereabouts, promote unmanned aerial vehicle and air's resistance, make unmanned aerial vehicle carry out slow landing, avoid unmanned aerial vehicle to meet behind bad weather such as strong wind in the sky, unmanned aerial vehicle's wing 3 receives the influence, then lead to unmanned aerial vehicle can not take place in the circumstances of aerial maintenance flight state, thereby promote unmanned aerial vehicle's security of using. When the winding mechanism 6 and the fixing frame 7 rotate to the upper end of the machine body 1, the supporting leg 102 rotates 180 degrees around the first U-shaped block 101, then the clamping plate 1041 stretches into the through hole 103, in the process, the two sliding blocks 1043 compress the second springs 1044 to be close to each other, after the two sliding blocks 1043 completely enter the through hole 103, the second springs 1044 reset, and the two sliding blocks 1043 are clamped in the through hole 103 nickel, so that the position of the supporting leg 102 is fixed, and the supporting leg 102 becomes a new supporting leg.
When the protective cloth 8 needs to be folded, a first telescopic rod 901 is started, a control block 64 is driven to return to the upper end of a cloth shielding plate 66 through a collar 902, then a second motor 645 drives a second winding rod 646 to rotate, a baffle 642 is pulled to be opened through a pull rope 644, a gap is formed between the baffle 642 and a control frame 641, the first telescopic rod 901 is retracted to drive the collar 902 to be far away from the control frame 641, then the second motor 645 drives the second winding rod 646 to rotate reversely, the second winding rod 646 releases part of the pull rope 644, and a first spring 643 is reset to drive the baffle 642 to return to an initial position to block an opening of the control frame 641; meanwhile, the third motor 632 is reversed, the second gear 633 and the first gear 631 drive the first winding rod 62 to recycle the protective cloth 8, and when all the protective cloth 8 is wound, the control block 64 is located at the gap between the shielding plate 66 and the winding groove 61.
Through the mode, the unmanned aerial vehicle with the landing protection function is unfolded to form the arc-shaped bulge when the unmanned aerial vehicle falls, so that the resistance of the unmanned aerial vehicle and air can be improved, the unmanned aerial vehicle can slowly land, the condition that the wing of the unmanned aerial vehicle is influenced after the unmanned aerial vehicle encounters severe weather such as strong wind in the air can be avoided, and further the unmanned aerial vehicle cannot keep a flying state in the air can be caused, and the use safety of the unmanned aerial vehicle is improved; the first winding rod winds the released protective cloth, and then after all the protective cloth is wound, the control block is positioned at a gap between the shielding cloth plate and the winding groove, so that the protective cloth can be conveniently stored; when the winding mechanism and the fixing frame rotate to the upper end of the machine body, the supporting legs rotate 180 degrees around the first U-shaped block to form new unmanned aerial vehicle supporting legs, so that the unmanned aerial vehicle is convenient to contact with the ground.

Claims (10)

1. The unmanned aerial vehicle with landing protection function comprises a machine body (1), wherein two sides of the machine body (1) are provided with a frame (2), the frame (2) is provided with a wing (3), the lower end of the machine body (1) is provided with a camera (11), and the unmanned aerial vehicle is characterized in that the upper surface of the frame (2) is respectively connected with a U-shaped first fixing frame (4) and a second fixing frame (5) which are oppositely arranged through a first driving mechanism, one end of the first fixing frame (4) and one end of the second fixing frame (5) are movably connected with a corresponding first driving mechanism, the other end of the first fixing frame (4) is connected with a winding mechanism (6), the other end of the second fixing frame (5) is connected with a fixing frame (7), a protective cloth (8) is connected in the winding mechanism (6), the free end of the protective cloth (8) is connected with the fixing frame (7) through a telescopic connecting piece (9), and the length of the protective cloth (8) is larger than the distance between the winding mechanism (6) and the fixing frame (7). The outer sides of the first fixing frame (4) and the second fixing frame (5) are respectively and movably connected with a supporting mechanism (10).
2. The unmanned aerial vehicle with landing protection function according to claim 1, wherein the winding mechanism (6) comprises a winding groove (61), an opening of the winding groove (61) faces towards the fixing frame (7), a first winding rod (62) is arranged in the winding groove (61), one end of the protective cloth (8) is fixed on the first winding rod (62), one end of the first winding rod (62) extends out of the winding groove (61) and is connected with a second driving mechanism (63), at least one control block (64) is arranged at the other end of the protective cloth (8), and the control block (64) is movably connected with the telescopic connecting piece (9).
3. The unmanned aerial vehicle with the landing protection function according to claim 2, wherein a shielding plate (66) is hinged to the bottom of the winding groove (61), the height of the shielding plate (66) is smaller than that of the winding groove (61), a gap is formed between the shielding plate (66) and the winding groove (61), and the control block (64) is located in the gap.
4. The unmanned aerial vehicle with the landing protection function according to claim 2, wherein the second driving mechanism (63) comprises a first gear (631) connected to one end of the first winding rod (62), the first gear (631) is located at one end outside the winding groove (61), and further comprises a third motor (632), and an output shaft of the third motor (632) is connected with a second gear (633) meshed with the first gear (631).
5. The unmanned aerial vehicle with the landing protection function according to claim 2, wherein the control block (64) comprises a control frame (641), an opening is formed in one side of the control frame (641), a baffle plate (642) is movably connected to the opening of the control frame (641), the baffle plate (642) is positioned in the control frame (641), and the length of the baffle plate (642) is larger than that of the opening of the control block (64); the inside of the baffle (642) is connected with a first spring (643), the other end of the first spring (643) is connected to the inner side wall of the control frame (641), a pull rope (644) is sleeved in the first spring (643), one end of the pull rope (644) is connected with the baffle (642), the outer side wall of the control frame (641) is connected with a second motor (645), an output shaft of the second motor (645) is connected with a second winding rod (646), the other end of the pull rope (644) extends out of the side wall of the control frame (641) and is connected with the second winding rod (646), and the second winding rod (646) is perpendicular to the first spring (643); the telescopic connecting piece (9) is movably connected with the control frame (641).
6. The unmanned aerial vehicle with landing protection function according to claim 5, wherein the telescopic connecting piece (9) comprises a first telescopic rod (901), the fixed end of the first telescopic rod (901) is connected with the fixed frame (7), and the free end of the first telescopic rod (901) is movably connected with the control frame (641) through a collar (902).
7. The unmanned aerial vehicle with landing protection function according to claim 1, wherein the fixed frame (7) comprises a connecting frame (701), the connecting frame (701) is fixed on the inner surface of the second fixed frame (5), and the telescopic connecting piece is connected to the connecting frame (701).
8. The unmanned aerial vehicle with the landing protection function according to claim 7, wherein the free end of the second fixing frame (5) is connected with a supporting block (702), a reinforcing block (703) is fixed on the surface of the supporting block (702), and the telescopic connecting piece passes through the reinforcing block (703) and is connected with the connecting frame (701).
9. The unmanned aerial vehicle with the landing protection function according to claim 1, wherein the supporting mechanism (10) comprises a first U-shaped block (102), the first fixing frame (4) is hinged with supporting legs (102) through the first U-shaped block (102), through holes (103) are formed in the supporting legs (102), and a clamping plate (104) matched with the through holes (103) is fixed on the side wall, connected with the first driving mechanism, of the first fixing frame (4).
10. The unmanned aerial vehicle with the landing protection function according to claim 9, wherein the clamping plate (104) comprises an L-shaped clamping plate (1041), a sliding groove (1042) is formed in the tail end of the clamping plate (1041) inwards, two sliding blocks (1043) are connected in the sliding groove (1042) in a sliding manner, the two sliding blocks (1043) are connected through a second telescopic rod (1045), and a second spring (1044) is sleeved outside the second telescopic rod (1045).
CN202311384862.4A 2023-10-24 2023-10-24 Unmanned aerial vehicle with landing protection function Pending CN117416536A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202311384862.4A CN117416536A (en) 2023-10-24 2023-10-24 Unmanned aerial vehicle with landing protection function

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202311384862.4A CN117416536A (en) 2023-10-24 2023-10-24 Unmanned aerial vehicle with landing protection function

Publications (1)

Publication Number Publication Date
CN117416536A true CN117416536A (en) 2024-01-19

Family

ID=89522403

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202311384862.4A Pending CN117416536A (en) 2023-10-24 2023-10-24 Unmanned aerial vehicle with landing protection function

Country Status (1)

Country Link
CN (1) CN117416536A (en)

Similar Documents

Publication Publication Date Title
CA2692869C (en) An open and close apparatus for a shelter of a boarding bridge
CN105292446A (en) Damping undercarriage of quadrotor
CN104203750B (en) A kind of trousers
CN107226215B (en) Unmanned aerial vehicle rotary cross bar arresting recovery system and recovery method
CN110077607B (en) Unmanned aerial vehicle collision protection device and protection method
CN117416536A (en) Unmanned aerial vehicle with landing protection function
CN205150223U (en) Four shaft air vehicle's shock attenuation undercarriage
CN207670685U (en) A kind of boarding bridge joint anticollision mechanism and the connecting bridge comprising the mechanism
CN113184173A (en) VTOL fixed wing unmanned aerial vehicle with damping device
CN107117286B (en) Folding unmanned aerial vehicle and folding method thereof
CN116692062A (en) Unmanned aerial vehicle undercarriage and unmanned aerial vehicle
CN111137440A (en) Auxiliary brake retractable landing gear based on civil aircraft safe landing
CN113184174B (en) Unmanned aerial vehicle arresting hook, control method and unmanned aerial vehicle
CN113879519A (en) Survey unmanned aerial vehicle
CN212951082U (en) Door ladder integrated type ship side ladder door
CN208021720U (en) A kind of aircraft with support frame structure
CN216734783U (en) Water area monitoring unmanned aerial vehicle that can surface of water slide
CN221189127U (en) Unmanned aerial vehicle protective structure
CN113716014B (en) Four-rotor unmanned aerial vehicle capable of automatically retracting and releasing horn and horn retracting and releasing method
CN115195998B (en) Undercarriage winding and unwinding devices and aircraft
CN113978738B (en) Escape slide structure applied to passenger compartment door of civil aircraft
CN218022163U (en) Falling protection equipment for unmanned aerial vehicle
CN114408169A (en) Ecological environment monitoring facilities based on unmanned aerial vehicle shoots usefulness
CN218907661U (en) Unmanned aerial vehicle landing protection device
CN214690182U (en) Unmanned aerial vehicle comprehensive protection device for reconnaissance

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination