CN216546677U

CN216546677U - Unmanned aerial vehicle undercarriage structure with buffer gear

Info

Publication number: CN216546677U
Application number: CN202123106983.1U
Authority: CN
Inventors: 荆成
Original assignee: Anhui University of Science and Technology
Current assignee: Anhui University of Science and Technology
Priority date: 2021-12-03
Filing date: 2021-12-03
Publication date: 2022-05-17
Anticipated expiration: 2031-12-03

Abstract

The utility model discloses an unmanned aerial vehicle undercarriage structure with a buffer mechanism, which aims to solve the technical problems that the existing unmanned aerial vehicle does not have an undercarriage structure capable of being folded and the safety of the rising and falling actions in flight cannot be ensured. This unmanned aerial vehicle undercarriage structure includes the unmanned aerial vehicle body, install in drive cylinder in the middle of the unmanned aerial vehicle body lower extreme, set up in the compensating beam of both sides around the drive cylinder, set up in the unsettled support frame at both ends about the compensating beam. This unmanned aerial vehicle undercarriage structure adopts the drive cylinder can take in the below with the compensating beam fast at the in-process that unmanned aerial vehicle flies, reduces the air resistance, practice thrift the consumption that unmanned aerial vehicle can support, the compensating beam cooperation is unsettled to be supported and can play the supporting role to its bottom when unmanned aerial vehicle falls to the ground, when compensating beam and unsettled support frame and ground contact, the flexible construction of its own plays the cushioning effect to unmanned aerial vehicle's whereabouts inertia, reduce the impact force to unmanned aerial vehicle's structural damage.

Description

Unmanned aerial vehicle undercarriage structure with buffer gear

Technical Field

The utility model belongs to the field of unmanned aerial vehicle equipment, and particularly relates to an unmanned aerial vehicle undercarriage structure with a buffer mechanism.

Background

Unmanned aerial vehicle according to the application, can be for military use and civilian use, and unmanned aerial vehicle + industry is used, is the real just need of unmanned aerial vehicle at present, includes in the application of taking photo by plane, agriculture, plant protection, miniature autodyne, express delivery transportation, disaster relief, observing wild animal, control infectious disease, survey and drawing, news report, electric power are patrolled and examined, the relief of disaster, movie & TV is shot, make romantic etc. field, great expansion unmanned aerial vehicle's use itself.

Present remote control formula unmanned aerial vehicle does not have the undercarriage structure that can move about, and the base can produce great flight resistance when flying its lower part is fixed, when falling to the ground, because unmanned aerial vehicle's the inertia that slides and with the control error of ground distance, instantaneous striking contact appears easily, causes destruction to unmanned aerial vehicle's major structure, so need design one kind can receive and fold, has the undercarriage structure that falls to the ground buffer capacity, guarantees unmanned aerial vehicle's safety of rising and falling.

Consequently, do not have the condition of falling to the ground buffering shock-absorbing capacity to above-mentioned unmanned aerial vehicle, develop a novel unmanned aerial vehicle undercarriage structure, utilize and to receive the structure of folding, when lightening flight resistance, through elastic buffer mechanism after contacting with ground, alleviate the damage that the impact force caused to major structure.

SUMMERY OF THE UTILITY MODEL

(1) Technical problem to be solved

Aiming at the defects of the prior art, the utility model aims to provide an unmanned aerial vehicle undercarriage structure with a buffer mechanism, and the unmanned aerial vehicle undercarriage structure aims at solving the technical problems that the existing unmanned aerial vehicle does not have an undercarriage structure capable of being folded and folded, and the safety of the rise and fall action in flight cannot be ensured.

(2) Technical scheme

In order to solve the technical problem, the utility model provides an unmanned aerial vehicle undercarriage structure with a buffer mechanism, which comprises an unmanned aerial vehicle body, a driving oil cylinder arranged in the middle of the lower end of the unmanned aerial vehicle body, balance beams arranged on the front side and the rear side of the driving oil cylinder, and suspended support frames arranged on the left end and the right end of the balance beam, wherein a working groove and a folding groove are formed in the middle of the lower end of the unmanned aerial vehicle body, the folding grooves are arranged on the front side and the rear side of the working groove, the driving oil cylinder is arranged on the inner side of the working groove, extension frames are movably connected between the front end and the rear end of the driving oil cylinder and the balance beam, the balance beam is arranged on the inner side of the folding groove, rotating motors are fixedly arranged at the left end and the right end of the balance beam, and transmission shafts are arranged between the rotating motors and the suspended support frames.

When the unmanned aerial vehicle undercarriage structure with the buffer mechanism is used, a user controls the unmanned aerial vehicle to fly up, the extending frame is inwards recovered through the driving oil cylinder, the balance beam enters the folding groove to be hidden below the unmanned aerial vehicle body, the driving oil cylinder is controlled to extend the balance beam before the unmanned aerial vehicle falls, then the rotating motor is controlled to overturn the suspended support frame into a vertical state from a horizontal state, and when the suspended support frame falls to the ground, the suspended support frame firstly contacts with the ground.

Preferably, the equal fixed connection in both ends has the engine case about the unmanned aerial vehicle body, spiral motor is installed to engine case upper end, the screw is installed to the spiral motor upper end. The power assembly mechanism is carried in the power case, and the power of flight is provided for the unmanned aerial vehicle by matching with the propeller.

Preferably, unmanned aerial vehicle body rear end is provided with the mouth that charges, unmanned aerial vehicle body upper end is provided with control interface. The inside battery that sets up of unmanned aerial vehicle body charges through the mouth that charges, and the battery provides the power for actuating cylinder and rotating electrical machines.

Preferably, the unmanned aerial vehicle body with install the link between the engine case, the link inboard has been seted up flexible hole, the inboard vertical elastic rod piece that is provided with of flexible hole. Elastic rod spare is the rubber spare, has vertical deformability, receives the inside contraction behind the reverse effort in ground to with the impulsive force effect on the link, avoid structural damage to appear in the junction between unmanned aerial vehicle body and the engine case.

Preferably, the lower end of the elastic rod piece is fixedly connected with a curved surface supporting pad, and the curved surface supporting pad is arranged on the lower side of the connecting frame. Four groups of curved surface supporting pads receive the elasticity recovery effect of elastic rod and finally steadily contact ground, stabilize the fuselage state of unmanned aerial vehicle body.

Preferably, the lower end of the power case is provided with a buffer gasket. The buffer gasket is made of flexible fabric materials, plays a role in protecting the lower part of the power machine case and prevents the surface of equipment from being worn by the raised objects on the ground.

Preferably, shock-absorbing foot pads are installed at the front end and the rear end of the suspended support frame. Unsettled support frame is vertical state by the turnover of horizontal state, and the rubber materials and the ground contact of shock attenuation callus on the sole are out of shape through self and are alleviated the impact force between unmanned aerial vehicle and the ground, and unsettled support frame makes and has certain clearance between unmanned aerial vehicle body and the ground, prevents into water and damages the circuit.

(3) Advantageous effects

Compared with the prior art, the utility model has the beneficial effects that: according to the unmanned aerial vehicle undercarriage structure with the buffer mechanism, the driving oil cylinder is adopted, so that the balance beam can be rapidly retracted to the lower part in the flying process of the unmanned aerial vehicle, the air resistance is reduced, the consumption of the unmanned aerial vehicle can be saved, the balance beam can support the bottom of the unmanned aerial vehicle when the unmanned aerial vehicle lands in a manner of being matched with the suspension support frame, a certain gap is kept between the bottom of the balance beam and the ground, the circuit of the unmanned aerial vehicle is prevented from being damaged due to accumulated water at the landing position, when the balance beam and the suspension support frame are in contact with the ground, the flexible structure of the balance beam can buffer the falling inertia of the unmanned aerial vehicle, and the structural damage of impact force to the unmanned aerial vehicle is reduced.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.

Fig. 1 is a schematic structural view of a top surface of an unmanned aerial vehicle body according to an embodiment of the landing gear structure of an unmanned aerial vehicle with a buffer mechanism of the present invention;

fig. 2 is a schematic view of a bottom structure of an unmanned aerial vehicle body according to an embodiment of the landing gear structure of the unmanned aerial vehicle with a buffer mechanism of the present invention;

fig. 3 is a schematic view of a mounting structure of a balance beam and a suspension support frame of an embodiment of an undercarriage structure of an unmanned aerial vehicle with a buffering mechanism according to the present invention;

fig. 4 is an enlarged structural diagram of the elastic rod of the landing gear structure of the unmanned aerial vehicle with the buffering mechanism according to the embodiment of the utility model.

The labels in the figures are: 1. an unmanned aerial vehicle body; 2. a working groove; 3. folding grooves; 4. a driving oil cylinder; 5. an extension frame; 6. a balance beam; 7. a rotating electric machine; 8. a drive shaft; 9. a suspended support frame; 10. a power chassis; 11. a screw motor; 12. a propeller; 13. a charging port; 14. a control interface; 15. a connecting frame; 16. a telescopic hole; 17. an elastic rod member; 18. a curved support pad; 19. a cushion pad; 20. shock attenuation callus on sole.

Detailed Description

In order to make the technical means, the original characteristics, the achieved purposes and the effects of the utility model easily understood and obvious, the technical solutions in the embodiments of the present invention are clearly and completely described below to further illustrate the utility model, and obviously, the described embodiments are only a part of the embodiments of the present invention, but not all the embodiments.

Example 1

The landing gear structure of the unmanned aerial vehicle with the buffer mechanism comprises an unmanned aerial vehicle body 1, a driving oil cylinder 4, balance beams 6 and suspension support frames 9, wherein the driving oil cylinder 4 is arranged in the middle of the lower end of the unmanned aerial vehicle body 1, the balance beams 6 are arranged at the front side and the rear side of the driving oil cylinder 4, the suspension support frames 9 are arranged at the left end and the right end of the balance beam 6, a detailed enlarged structure schematic diagram of an elastic rod piece 17 is shown in figure 4, the landing gear structure of the unmanned aerial vehicle comprises the unmanned aerial vehicle body 1, the driving oil cylinder 4 is arranged in the front side and the rear side of the driving oil cylinder 4, a working groove 2 and a folding groove 3 are arranged in the middle of the lower end of the unmanned aerial vehicle body 1, the folding grooves 3 are arranged at the front side and the rear side of the working groove 2, and extension frames 5 are movably connected between the front end and the rear end of the driving oil cylinder 4 and the balance beams 6, the compensating beam 6 sets up in folding 3 inboards in groove, and the equal fixed mounting in both ends has rotating electrical machines 7 about the compensating beam 6, installs transmission shaft 8 between rotating electrical machines 7 and the unsettled support frame 9.

To this embodiment, when the upset of unsettled support frame 9 was vertical, the shock attenuation callus on the sole 20 bottom surface height of its lower extreme was higher than the bottom surface height of buffering liner 19, when unmanned aerial vehicle fell to the ground, buffering liner 19 one step earlier contacts the bottom surface, and after the extrusion deformation, shock attenuation callus on the sole 20 contacted ground once more, through self deformation reduction impact force to unmanned aerial vehicle's reverse action.

Wherein, the equal fixed connection in both ends has engine case 10 about unmanned aerial vehicle body 1, and screw motor 11 is installed to engine case 10 upper end, and screw 12 is installed to screw motor 11 upper end, and 1 rear end of unmanned aerial vehicle body is provided with the mouth 13 that charges, and 1 upper end of unmanned aerial vehicle body is provided with control interface 14. Power assembly mechanism is carried on to engine case 10 inside, and cooperation screw 12 provides the power of flight for unmanned aerial vehicle, and 1 inside battery that sets up of unmanned aerial vehicle body charges through charging mouth 13, and the battery provides the power for drive cylinder 4 and rotating electrical machines 7.

Simultaneously, install link 15 between unmanned aerial vehicle body 1 and the engine case 10, telescopic hole 16 has been seted up to link 15 inboard, and the inboard vertical elasticity member 17 that is provided with of telescopic hole 16, the lower extreme fixedly connected with curved surface supporting pad 18 of elasticity member 17, curved surface supporting pad 18 set up in link 15 downside. Elastic rod member 17 is the rubber spare, has vertical deformability, receives the inside contraction behind the reverse effort in ground to with the impulsive force effect on link 15, avoid the structural damage to appear in the junction between unmanned aerial vehicle body 1 and the engine case 10, four groups of curved surface supporting pads 18 receive elastic rod member 17's the final steady contact ground of elastic recovery effect, stabilize unmanned aerial vehicle body 1's fuselage state.

In addition, a cushion pad 19 is mounted to the lower end of the power unit case 10. The buffer pad 19 is made of flexible fabric material, and protects the lower part of the power machine case 10 to prevent the surface of the equipment from being worn by the raised objects on the ground.

In addition, shock absorption foot pads 20 are installed at the front end and the rear end of the suspended support frame 9. Unsettled support frame 9 is vertical state by the turnover of horizontal state, and the rubber material and the ground contact of shock attenuation callus on the sole 20 are out of shape through self and are alleviated the impact force between unmanned aerial vehicle and the ground, and unsettled support frame 9 makes and has certain clearance between unmanned aerial vehicle body 1 and the ground, prevents into water and damages the circuit.

When the landing gear structure with the buffer mechanism of the unmanned aerial vehicle is used, a user controls the unmanned aerial vehicle to fly through the remote control device, the extending frame 5 is retracted inwards through the driving oil cylinder 4 in the flying process, the balance beam 6 enters the folding groove 3 to be hidden below the unmanned aerial vehicle body 1, the balance beam 6 is prevented from being subjected to air resistance to increase the energy consumption of the unmanned aerial vehicle, before the unmanned aerial vehicle falls, the driving oil cylinder 4 is controlled to extend the balance beam 6 outwards to enlarge the supporting surface at the lower end of the unmanned aerial vehicle body 1, then the rotating motor 7 is controlled to turn the suspended supporting frame 9 from the horizontal state to the vertical state, when the unmanned aerial vehicle falls to the ground, the buffer gasket 19 firstly contacts the ground according to the sequence, and is subjected to reverse acting force to self extrusion deformation to play a role in protecting the power case 10 and simultaneously relieve the vertical impact force on the unmanned aerial vehicle body 1 and the power case 10, then the shock attenuation callus on the sole 20 of unsettled support frame 9 lower extreme further with ground contact, play the absorbing effect of major structure through its elastic structure, the fuselage of unmanned aerial vehicle body 1 is stabilized on last curved surface supporting pad 18 contact ground.

Having thus described the principal technical features and basic principles of the utility model, and the advantages associated therewith, it will be apparent to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.

Furthermore, it should be understood that although the present description is described in terms of various embodiments, not every embodiment includes only a single embodiment, and such descriptions are provided for clarity only, and those skilled in the art will recognize that the embodiments described herein can be combined as a whole to form other embodiments as would be understood by those skilled in the art.

Claims

1. An unmanned aerial vehicle undercarriage structure with a buffer mechanism comprises an unmanned aerial vehicle body, a driving oil cylinder arranged in the middle of the lower end of the unmanned aerial vehicle body, balance beams arranged on the front side and the rear side of the driving oil cylinder, and suspended support frames arranged on the left end and the right end of the balance beam; its characterized in that, seted up work groove in the middle of the unmanned aerial vehicle body lower extreme and folded the groove with receiving, receive fold the groove set up in both sides around the work groove, driving cylinder set up in work inslot side, both ends around the driving cylinder with equal swing joint has the expansion bracket between the compensating beam, the compensating beam set up in receive fold inslot side, the compensating beam is controlled the equal fixed mounting in both ends and is had the rotating electrical machines, the rotating electrical machines with install the transmission shaft between the unsettled support frame.

2. The landing gear structure of an unmanned aerial vehicle with the buffering mechanism according to claim 1, wherein the power chassis is fixedly connected to the left and right ends of the unmanned aerial vehicle body, a screw motor is mounted at the upper end of the power chassis, and a propeller is mounted at the upper end of the screw motor.

3. The landing gear structure of an unmanned aerial vehicle with a buffering mechanism according to claim 1, wherein the rear end of the unmanned aerial vehicle body is provided with a charging port, and the upper end of the unmanned aerial vehicle body is provided with a control interface.

4. The undercarriage structure of an unmanned aerial vehicle with a buffering mechanism according to claim 2, wherein a connecting frame is installed between the unmanned aerial vehicle body and the power chassis, a telescopic hole is opened on an inner side of the connecting frame, and an elastic rod is vertically arranged on an inner side of the telescopic hole.

5. The landing gear structure of an unmanned aerial vehicle with a buffering mechanism according to claim 4, wherein a curved support pad is fixedly connected to the lower end of the elastic rod member, and the curved support pad is arranged on the lower side of the connecting frame.

6. The landing gear structure of an unmanned aerial vehicle with a buffering mechanism according to claim 4, wherein the lower end of the power chassis is provided with a buffering gasket.

7. The landing gear structure of an unmanned aerial vehicle with a buffer mechanism according to claim 1, wherein shock absorbing foot pads are mounted at the front end and the rear end of the suspended support frame.