CN211766288U - Vertical forced landing protection device for unmanned aerial vehicle - Google Patents

Vertical forced landing protection device for unmanned aerial vehicle Download PDF

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Publication number
CN211766288U
CN211766288U CN201921824981.6U CN201921824981U CN211766288U CN 211766288 U CN211766288 U CN 211766288U CN 201921824981 U CN201921824981 U CN 201921824981U CN 211766288 U CN211766288 U CN 211766288U
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China
Prior art keywords
unmanned aerial
aerial vehicle
lower extreme
fixedly connected
protection device
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Expired - Fee Related
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CN201921824981.6U
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Chinese (zh)
Inventor
陈业涵
仇飞
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Nanjing Xiaozhuang University
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Nanjing Xiaozhuang University
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    • 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

Abstract

The utility model discloses a perpendicular compel protection device that lands of unmanned aerial vehicle, including the unmanned aerial vehicle body, the lower extreme middle part fixedly connected with fixing base of unmanned aerial vehicle body, the inside of fixing base is provided with the drawing mechanism, the right-hand member swing joint of drawing mechanism has the link, the equal fixedly connected with connecting rod in both ends around the link, the lower extreme fixedly connected with buffer gear of connecting rod, the lower extreme fixedly connected with protection mechanism of fixing base, the anterior fixed mounting of lower extreme of unmanned aerial vehicle body has the guard box. A perpendicular compel protection device that lands of unmanned aerial vehicle, pack up and open through the remote control to the frame that falls, the improvement of very big degree unmanned aerial vehicle is at the flight safety of overhead, increases its flight or descending security performance, because the hollow tube material that the structural material adopted basically, the reduction of very big degree unmanned aerial vehicle's flight weight to reach the continuous duration of unmanned aerial vehicle's flight in-process.

Description

Vertical forced landing protection device for unmanned aerial vehicle
Technical Field
The utility model relates to an unmanned aerial vehicle field, in particular to unmanned aerial vehicle is protected to compel to land perpendicularly.
Background
Unmanned aerial vehicles can be classified into military and civil applications according to the application field. For military use, unmanned aerial vehicles divide into reconnaissance aircraft and target drone. In the civil aspect, the unmanned aerial vehicle is applied in the unmanned aerial vehicle industry and is really just needed by the unmanned aerial vehicle; at present, the unmanned aerial vehicle is applied to the fields of aerial photography, agriculture, plant protection, miniature self-timer, express transportation, disaster relief, wild animal observation, infectious disease monitoring, surveying and mapping, news reporting, power inspection, disaster relief, film and television shooting, romantic manufacturing and the like, the application of the unmanned aerial vehicle is greatly expanded, and developed countries actively expand industrial application and develop unmanned aerial vehicle technology.
Through the retrieval, chinese patent publication is CN201820958532. X's patent discloses a vertical compelling to land protection device of unmanned aerial vehicle, including the protective bracket, protective bracket top and unmanned aerial vehicle bottom both sides fixed connection, unmanned aerial vehicle bottom central position fixedly connected with install bin, there is the main tributary vaulting pole bottom middle part through pneumatic cylinder swing joint in the install bin. The utility model discloses a set up rubber buffer pad, bumper shock absorber, prevent tilting bar, connecting rod, main tributary vaulting pole and auxiliary stay structure, have safety protection, realize that unmanned aerial vehicle is stable fixed in the different ground of height above-mentioned patent of advantage and exist below not enough: because the protective bracket is with unmanned aerial vehicle body fixed connection, lead to unmanned aerial vehicle at the flight or the support overlength of descending in-process protection can interfere with some electric wires or branches, be unfavorable for unmanned aerial vehicle's flight security, there is the pneumatic cylinder in this unmanned aerial vehicle's inside simultaneously, and the weight ratio of pneumatic cylinder own is heavier, be very unfavorable for unmanned aerial vehicle's flight, unmanned aerial vehicle's weight has been increased, can influence unmanned aerial vehicle's navigation speed and increase unmanned aerial vehicle's power consumption simultaneously, and simultaneously, because be several protective bracket, lead to too little with the area of contact on ground, hardly keep descending in-process and the balance on ground. In view of this, we propose an unmanned aerial vehicle vertical forced landing protection device.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a main aim at provides an unmanned aerial vehicle compels to land protection device perpendicularly, can effectively solve the problem in the background art.
In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides an unmanned aerial vehicle vertical forced landing protection device, includes the unmanned aerial vehicle body, the lower extreme middle part fixedly connected with fixing base of unmanned aerial vehicle body, the inside of fixing base is provided with the drawing mechanism, the right-hand member swing joint of drawing mechanism has the link, the equal fixedly connected with connecting rod in both ends around the link, the lower extreme fixedly connected with buffer gear of connecting rod, the lower extreme fixedly connected with protection machanism of fixing base, the anterior fixed mounting of lower extreme of unmanned aerial vehicle body has the guard box, the inside fixed mounting of guard box has double-shaft motor, the lower extreme fixedly connected with fixed block of unmanned aerial vehicle body.
Preferably, equal fixedly connected with drive gear on the output shaft of the left end of biax motor and right-hand member, drive gear's rear end all meshes has drive gear, drive gear's rear end fixedly connected with transmission shaft, the rear end of transmission shaft runs through guard box and bearing connection in the inside of fixed block, the rotatory long gear of the surperficial front portion of transmission shaft and the equal fixedly connected with in back, the lower extreme of rotatory long gear all meshes has the half gear, the fixed surface of half gear connects the upper end at the connecting rod, the surface middle part bearing of transmission shaft is connected with the bearing housing, the lower extreme fixed connection of bearing housing is in the upper end of link.
Preferably, buffer gear primary structure has the fixed plate, the inside interlude of fixed plate is connected with two slip posts, and the lower extreme fixedly connected with of slip post falls the board, first spring has all been cup jointed on the surface of slip post, and first spring is located between fixed plate and the board that falls, the left end fixed connection of fixed plate is at the lower extreme of connecting rod.
Preferably, buffer gear is provided with two sets ofly, and two sets of buffer gear distribute with the central bilateral symmetry of unmanned aerial vehicle body, the inside of board that falls is the arc structure.
Preferably, the protection mechanism primary structure has the round seat, the inside sliding connection of round seat has the buffering post, the lower extreme of buffering post runs through round seat and fixedly connected with buffer board, the lower extreme middle part fixed mounting of buffer board has the laser positioning lamp, the upper end fixedly connected with second spring of buffer board, the upper end fixed connection of second spring is at the lower extreme of round seat, the upper end fixed connection of round seat is at the lower extreme of fixing base.
Preferably, the main mechanism of the stretching mechanism is provided with a fixed shaft and a stretching strip, the outer surface bearing of the fixed shaft is connected with two rotating sleeves, the outer surfaces of the rotating sleeves are fixedly connected to one end of the stretching strip, and the other end of the stretching strip is movably connected to the middle of the connecting frame through a rotating shaft.
Compared with the prior art, the utility model discloses following beneficial effect has:
1. two transmission shafts of transmission control through the gear will be rotated to the biax motor, the transmission shaft rotates the rotation that will control connecting rod and link through the effect of gear, play packing up and opening the effect to the undercarriage, when unmanned aerial vehicle forces to fall to certain height perpendicularly, can open the undercarriage, thereby reached the remote control to the unmanned aerial vehicle undercarriage and risen and contract, solved because the length or the size of undercarriage, at the in-process of forcing to land, cut to pieces and lead to unmanned aerial vehicle unbalance to rubbing the electric wire branch, the condition of turning on one's side, the improvement of very big degree unmanned aerial vehicle flight safety above ground, increase its flight or the security performance of descending.
2. Through the laser positioning lamp, shine laser subaerial to reached and confirmed in advance the perpendicular descending position to unmanned aerial vehicle, provide certain time and carry out debris in to this region in advance and clear away, provide good descending environment, and when the obstacle that can not clear up appears, also can descend through the first spring that falls on the board, thereby reach traditional buffering.
3. And because the hollow tube material that partial structure material adopted basically, the flight weight of unmanned aerial vehicle that has reduced of very big degree to reach unmanned aerial vehicle's high-efficient flight, and increase unmanned aerial vehicle's the continuous duration of flight in-process.
Drawings
Fig. 1 is a schematic view of the bottom-up structure of the vertical forced landing protection device of the unmanned aerial vehicle of the present invention;
fig. 2 is a schematic view of the inside of a protection box of the vertical forced landing protection device of the unmanned aerial vehicle of the present invention;
fig. 3 is a schematic view of the whole structure of the landing gear of the vertical forced landing protection device of the unmanned aerial vehicle of the present invention;
fig. 4 is a schematic view of a buffering mechanism of the vertical forced landing protection device of the unmanned aerial vehicle of the present invention;
fig. 5 is the utility model relates to a vertical force of unmanned aerial vehicle falls protection device's protection machanism and drawing mechanism schematic diagram.
In the figure: 1. an unmanned aerial vehicle body; 2. a protection box; 3. a buffer mechanism; 31. lowering the plate; 32. a fixing plate; 33. a sliding post; 34. a first spring; 4. a protection mechanism; 41. a buffer plate; 42. a second spring; 43. a round base; 44. a buffer column; 45. a laser positioning lamp; 5. a double-shaft motor; 6. a drive gear; 7. A fixed seat; 8. a stretching mechanism; 81. stretching the strip; 82. rotating the sleeve; 83. a fixed shaft; 9. a transmission gear; 10. a drive shaft; 11. rotating the long gear; 12. a bearing housing; 13. a connecting frame; 14. a connecting rod; 15. A fixed block; 16. a half gear.
Detailed Description
In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in fig. 1-5, an unmanned aerial vehicle vertical forced landing protection device, including unmanned aerial vehicle body 1, the lower extreme middle part fixedly connected with fixing base 7 of unmanned aerial vehicle body 1, the inside of fixing base 7 is provided with stretching mechanism 8, stretching mechanism 8's right-hand member swing joint has link 13, the equal fixedly connected with connecting rod 14 in both ends around link 13, the lower extreme fixedly connected with buffer gear 3 of connecting rod 14, the lower extreme fixedly connected with protection mechanism 4 of fixing base 7, the anterior fixed mounting of lower extreme of unmanned aerial vehicle body 1 has guard box 2, the inside fixed mounting of guard box 2 has double-shaft motor 5, the lower extreme fixedly connected with fixed block 15 of unmanned aerial vehicle body 1.
The output shafts of the left end and the right end of the double-shaft motor 5 are fixedly connected with a driving gear 6, the rear end of the driving gear 6 is meshed with a transmission gear 9, the rear end of the transmission gear 9 is fixedly connected with a transmission shaft 10, the rear end of the transmission shaft 10 penetrates through the protection box 2 and is in bearing connection with the inside of a fixed block 15, the front part and the rear part of the surface of the transmission shaft 10 are fixedly connected with a rotary long gear 11, the lower end of the rotary long gear 11 is meshed with a half gear 16, the surface of the half gear 16 is fixedly connected to the upper end of a connecting rod 14, the middle part of the outer surface of the transmission shaft 10 is in bearing connection with a bearing sleeve 12, the lower end of the bearing sleeve 12 is fixedly connected to the upper end of a connecting frame 13, the type; the main structure of the buffer mechanism 3 is provided with a fixed plate 32, two sliding columns 33 are penetratingly connected inside the fixed plate 32, the lower ends of the sliding columns 33 are fixedly connected with a landing plate 31, first springs 34 are sleeved on the surfaces of the sliding columns 33, the first springs 34 are located between the fixed plate 32 and the landing plate 31, the left ends of the fixed plate 32 are fixedly connected to the lower ends of the connecting rods 14, impact force of the unmanned aerial vehicle in the forced landing process is reduced through the contact between the landing plate 31 and the ground under the buffer action of the first springs 34, an efficient safety protection effect of the unmanned aerial vehicle is provided, rubber pads are fixedly mounted at the lower ends of the landing plate 31 and the buffer plate 41, and ground grabbing capacity in the descending process is improved; the two groups of buffer mechanisms 3 are arranged, the two groups of buffer mechanisms 3 are symmetrically distributed in the left-right direction of the center of the unmanned aerial vehicle body 1, the interior of the landing plate 31 is of an arc structure, and the contact area of the bottom of the unmanned aerial vehicle, which is the ground, is increased, so that the stable landing effect on the unmanned aerial vehicle is better played, and a certain protection function is played; the protection mechanism 4 mainly structurally comprises a round seat 43, a buffer column 44 is slidably connected inside the round seat 43, the lower end of the buffer column 44 penetrates through the round seat 43 and is fixedly connected with a buffer plate 41, a laser positioning lamp 45 is fixedly installed in the middle of the lower end of the buffer plate 41, a second spring 42 is fixedly connected to the upper end of the buffer plate 41, the upper end of the second spring 42 is fixedly connected to the lower end of the round seat 43, and the upper end of the round seat 43 is fixedly connected to the lower end of a fixed seat 7; the main mechanism of the stretching mechanism 8 is provided with a fixed shaft 83 and a stretching strip 81, the outer surface of the fixed shaft 83 is in bearing connection with two rotating sleeves 82, the outer surfaces of the rotating sleeves 82 are fixedly connected to one end of the stretching strip 81, and the other end of the stretching strip 81 is movably connected to the middle of the connecting frame 13 through a rotating shaft.
It should be noted that the utility model relates to a vertical forced landing protection device for unmanned aerial vehicle, through the start-up of remote control biax motor 5, biax motor 5 will rotate through two transmission shafts 10 of transmission control of gear, transmission shaft 10 rotates will control the rotation of connecting rod 14 and link 13 through the effect of gear, play the effect of packing up and opening the landing frame, when unmanned aerial vehicle forces to fall to certain height perpendicularly, can open the landing gear, traditional unmanned aerial vehicle is overhead, can't predict the landing position of unmanned aerial vehicle, but this kind of unmanned aerial vehicle can pass through laser positioning lamp 45, shine laser to subaerial, realize confirming in advance the position, to carry out the debris in this region in advance and clear away, provide good landing environment, and when the obstacle that can't clear up appears, also can carry out effectual buffering landing through first spring 34 on the landing plate 31, and if landing environment ground is very complicated to appear, the high slope miscellaneous stone is very many, can artifically pass through the position of laser positioning lamp 45, place a cylinder object, for example some logs, it is fixed to insert ground with it, unmanned aerial vehicle's bottom intermediate position is provided with the landing protection device simultaneously, the buffer board 41 will be in the log contact, provide a simple and easy artifical buffering platform that descends to unmanned aerial vehicle's unable descending adverse conditions, and second spring 42 can reduce the impact force to unmanned aerial vehicle's decline in-process.
The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (6)

1. The utility model provides an unmanned aerial vehicle vertical forced landing protection device, includes unmanned aerial vehicle body (1), its characterized in that: lower extreme middle part fixedly connected with fixing base (7) of unmanned aerial vehicle body (1), the inside of fixing base (7) is provided with stretching mechanism (8), the right-hand member swing joint of stretching mechanism (8) has link (13), the equal fixedly connected with connecting rod (14) in both ends around link (13), the lower extreme fixedly connected with buffer gear (3) of connecting rod (14), the lower extreme fixedly connected with protection machanism (4) of fixing base (7), the anterior fixed mounting of lower extreme of unmanned aerial vehicle body (1) has guard box (2), the inside fixed mounting of guard box (2) has double-shaft motor (5), the lower extreme fixedly connected with fixed block (15) of unmanned aerial vehicle body (1).
2. The unmanned aerial vehicle vertical forced landing protection device of claim 1, wherein: equal fixedly connected with drive gear (6) on the output shaft of the left end of biax motor (5) and right-hand member, the rear end of drive gear (6) all meshes has drive gear (9), the rear end fixedly connected with transmission shaft (10) of drive gear (9), the rear end of transmission shaft (10) runs through guard box (2) and the inside of bearing connection at fixed block (15), the surperficial front portion of transmission shaft (10) and the rotatory long gear (11) of the equal fixedly connected with in back, the lower extreme of rotatory long gear (11) all meshes has half gear (16), the fixed surface of half gear (16) is connected in the upper end of connecting rod (14), the surface middle part bearing of transmission shaft (10) is connected with bearing housing (12), the lower extreme fixed connection of bearing housing (12) is in the upper end of link (13).
3. The unmanned aerial vehicle vertical forced landing protection device of claim 1, wherein: buffer gear (3) major structure has fixed plate (32), the inside interlude of fixed plate (32) is connected with two slip posts (33), and the lower extreme fixedly connected with of slip post (33) falls board (31), first spring (34) have all been cup jointed on the surface of slip post (33), and first spring (34) are located fixed plate (32) and fall between board (31), the left end fixed connection of fixed plate (32) is at the lower extreme of connecting rod (14).
4. The unmanned aerial vehicle vertical forced landing protection device of claim 3, wherein: buffer gear (3) are provided with two sets ofly, and two sets of buffer gear (3) distribute with the central bilateral symmetry of unmanned aerial vehicle body (1), the inside of board (31) that falls is the arc structure.
5. The unmanned aerial vehicle vertical forced landing protection device of claim 1, wherein: protection mechanism (4) major structure has round seat (43), the inside sliding connection of round seat (43) has buffering post (44), the lower extreme of buffering post (44) runs through round seat (43) and fixedly connected with buffer board (41), the lower extreme middle part fixed mounting of buffer board (41) has laser positioning lamp (45), the upper end fixedly connected with second spring (42) of buffer board (41), the upper end fixed connection of second spring (42) is at the lower extreme of round seat (43), the upper end fixed connection of round seat (43) is at the lower extreme of fixing base (7).
6. The unmanned aerial vehicle vertical forced landing protection device of claim 1, wherein: drawing mechanism (8) main mechanism has fixed axle (83) and tensile strip (81), the surface bearing of fixed axle (83) is connected with two and changes cover (82), the equal fixed connection in tensile strip (81) one end of surface of commentaries on classics cover (82), and the other end of tensile strip (81) is inside in the middle of link (13) through pivot swing joint.
CN201921824981.6U 2019-10-29 2019-10-29 Vertical forced landing protection device for unmanned aerial vehicle Expired - Fee Related CN211766288U (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113525675A (en) * 2021-08-04 2021-10-22 武汉理工大学 Unmanned aerial vehicle landing device with electric wave range finding guide
CN114030593A (en) * 2021-11-03 2022-02-11 南京甲子智能科技有限公司 Vertical take-off and landing unmanned aerial vehicle

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113525675A (en) * 2021-08-04 2021-10-22 武汉理工大学 Unmanned aerial vehicle landing device with electric wave range finding guide
CN114030593A (en) * 2021-11-03 2022-02-11 南京甲子智能科技有限公司 Vertical take-off and landing unmanned aerial vehicle
CN114030593B (en) * 2021-11-03 2022-09-13 南京甲子智能科技有限公司 Vertical take-off and landing unmanned aerial vehicle

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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20201027

Termination date: 20211029

CF01 Termination of patent right due to non-payment of annual fee