CN215794482U

CN215794482U - Unmanned aerial vehicle's engine shock mount

Info

Publication number: CN215794482U
Application number: CN202122447727.2U
Authority: CN
Inventors: 刘先伟; 蔡叶
Original assignee: Wuhan Jet Airways Technology Co ltd
Current assignee: Wuhan Jet Airways Technology Co ltd
Priority date: 2021-10-12
Filing date: 2021-10-12
Publication date: 2022-02-11
Anticipated expiration: 2031-10-12

Abstract

The utility model discloses an engine shock absorption seat of an unmanned aerial vehicle, which comprises a first shock absorption support plate and a second shock absorption support plate, wherein more than three lower bosses extending downwards are uniformly arranged at intervals along the circumferential direction on the periphery of the first shock absorption support plate, more than three upper bosses extending upwards are uniformly arranged at intervals along the circumferential direction on the inner side of the first shock absorption support plate, the top surfaces and the bottom surfaces of the upper bosses and the lower bosses are respectively provided with an upper groove and a lower groove, the upper groove and the lower groove are correspondingly provided with a first rubber shock absorption ring block and a second rubber shock absorption ring block, the second shock absorption support plate is provided with first fixing holes corresponding to the upper bosses one by one, a second fixing hole used for fixing with an engine is arranged between every two adjacent first fixing holes, the second shock absorption support plate is fixed on the first shock absorption support plate in a compressing manner through a first bolt penetrating through the first fixing hole and the corresponding upper bosses, and the first shock absorption support plate is fixed on a lower body of the unmanned aerial vehicle in a compressing manner through a second bolt penetrating through the lower bosses. The advantage does, multistage shock attenuation, and the shock attenuation is effectual.

Description

Unmanned aerial vehicle's engine shock mount

Technical Field

The utility model relates to the technical field of unmanned aerial vehicles, in particular to an engine shock absorption seat of an unmanned aerial vehicle.

Background

Unmanned aerial vehicles are currently in wide use in 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, movie and television shooting, romantic manufacturing and the like.

Current fixed wing and compound wing unmanned aerial vehicle generally adopt piston engine as its power supply, and piston engine itself can not export pulling force/thrust, needs the installation screw, thereby produces pulling force/thrust through the rotatory rotation of engine drive screw. However, the irregular ignition of the piston engine during operation and the uneven distribution of the propeller mass can cause the vibration of the whole power system, and if no vibration reduction measures are taken between the power system (engine) and the unmanned aerial vehicle body, inaccurate data acquisition of an airborne sensor or fatigue damage of the structure of the unmanned aerial vehicle body can be caused. Therefore, it is necessary to provide an engine damping mount for an unmanned aerial vehicle to effectively reduce the technical problems caused by vibration.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an engine damping seat of an unmanned aerial vehicle, and aims to overcome the defects of inaccurate data acquisition of an airborne sensor, fatigue damage of a body structure and the like caused by the lack of effective damping measures due to the fact that a piston engine is directly fixed with a machine body in the prior art.

The technical scheme for solving the technical problems is as follows: an engine shock absorption seat of an unmanned aerial vehicle comprises a first shock absorption supporting plate and a second shock absorption supporting plate, wherein more than three lower bosses extending downwards are uniformly arranged at intervals along the circumferential direction on the periphery of the first shock absorption supporting plate, more than three upper bosses extending upwards are uniformly arranged at intervals along the circumferential direction on the inner side of the first shock absorption supporting plate, upper grooves and lower grooves are respectively arranged on the top surfaces and the bottom surfaces of the upper bosses and the lower bosses, first rubber shock absorption ring blocks are arranged in the upper grooves, second rubber shock absorption ring blocks are arranged in the lower grooves, first fixing holes corresponding to the upper bosses one by one are arranged on the second shock absorption supporting plate, second fixing holes used for fixing with an engine are arranged between every two adjacent first fixing holes, and the second shock absorption supporting plate is fixed on the first shock absorption supporting plate in a pressing mode through first bolts penetrating through the first fixing holes and the corresponding upper bosses, first shock attenuation backup pad is through passing the second bolt of boss compresses tightly on the unmanned aerial vehicle fuselage of below being fixed in down.

On the basis of the technical scheme, the utility model can be further improved as follows.

Further, the periphery of second shock attenuation backup pad is equipped with a plurality of lugs that outwards extend, is equipped with in proper order on two adjacent lugs first fixed orifices and second fixed orifices, second shock attenuation backup pad one side still has outwards to extend to the portion of extending outside first shock attenuation backup pad face, the trompil is in order to form the handle that the hand held in order to be convenient for on the portion of extending.

The adoption of the further scheme has the beneficial effects that the lugs extend outwards to form areas corresponding to the upper lug boss and the engine injection connecting position, so that the area of the second damping support plate can be effectively reduced, namely effective connection is ensured, weight can be reduced, and the flying performance of the unmanned aerial vehicle is not influenced; the formation of handle is favorable to transferring the shock mount is whole, perhaps fixes engine and shock mount earlier, then can mention whole engine and shock mount through the handle, is convenient for transfer and installation on next step.

Furthermore, there are four lower bosses, four extension angles are uniformly arranged on the periphery of the first damping support plate at intervals, and each extension angle is correspondingly provided with one lower boss.

The beneficial effect who adopts above-mentioned further scheme is that, each angle of extension extends outside the overlap region of first and second shock attenuation backup pad, is convenient for pass through the bolt and is fixed with the unmanned aerial vehicle fuselage behind the lower boss on each angle of extension, does not receive top second shock attenuation backup pad and engine to shelter from the influence.

Furthermore, the number of the upper bosses is four, one upper boss is arranged between every two adjacent lower bosses, and the upper boss and the lower boss are respectively positioned on the upper surface and the lower surface of the first damping support plate.

Adopt above-mentioned further scheme's beneficial effect be, upper and lower boss dislocation set can guarantee can the rational utilization space, guarantees better fixed effect and shock attenuation effect simultaneously.

Furthermore, the plate surfaces of the first damping support plate and the second damping support plate are provided with hollowed holes for reducing weight.

Adopt above-mentioned further scheme's beneficial effect be, save material alleviates the dead weight simultaneously, guarantees the better flight performance of unmanned aerial vehicle.

Furthermore, the first damping support plate, the lower boss and the upper boss are integrally formed by the same material.

The beneficial effect of adopting above-mentioned further scheme is that, production is convenient, workable and wholeness are good.

Furthermore, the upper groove and the lower groove are communicated at the center of the groove bottom through a through hole, and the diameter of the through hole is smaller than that of the notch of the upper groove or the lower groove.

The rubber shock absorption ring block has the advantages that the upper rubber shock absorption ring block and the lower rubber shock absorption ring block are guaranteed to be effectively supported by the groove bottom, installation is convenient, and the capability of resisting extrusion deformation is stronger.

Compared with the prior art, the utility model has the technical effects and advantages that:

the engine body is connected with each second fixing hole on the second damping support plate, so that the vibration of the engine is directly transmitted to the second damping support plate firstly, is integrated and absorbed and then is transmitted to the first damping support plate through each upper boss and the first and second damping ring blocks in the upper boss, and the first and second damping ring blocks in each upper boss can be effectively absorbed in the process, first shock attenuation backup pad is again through each boss down of its below and correspond the first and second damping ring piece that sets up in the boss down and transmit to the unmanned aerial vehicle fuselage, and the vibrations are absorbed once more, guarantee multistage absorption back, and engine vibrations have finally transmitted to the unmanned aerial vehicle fuselage and have imitated the decay to avoid the various problems that engine vibrations brought.

Drawings

Fig. 1 is an isometric view of an engine mount of an unmanned aerial vehicle provided by the present invention;

FIG. 2 is an isometric view of the engine mount of FIG. 1 from another perspective;

FIG. 3 is an assembly view of the engine mount of FIG. 1 with the first vibration damping support plate, the upper and lower bosses, and the first and second rubber vibration damping ring blocks assembled;

FIG. 4 is a schematic view of the assembled view of FIG. 3 without the first and second rubber cushion ring blocks installed therein;

FIG. 5 is a schematic view showing a state where the first and second rubber cushion ring blocks are fitted into the upper and lower grooves, respectively;

FIG. 6 is a front view of the first and second rubber grommet blocks shown in FIG. 5;

figure 7 is an isometric view of a second shock absorbing support plate.

In the drawings, the components represented by the respective reference numerals are listed below:

1. a first shock absorbing support plate; 2. a second shock absorbing support plate; 3. a lower boss; 4. an upper boss; 5. an upper groove; 6. a first rubber damping ring block; 7. a second rubber damping ring block; 8. a first fixing hole; 9. a second fixing hole; 10. a handle.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, if terms indicating orientation such as "upper", "lower", "left", "right", "top", "bottom", "inner", "outer", etc., are used, they indicate orientation or positional relationship based on that shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the present invention.

As shown in fig. 1 to 7, the utility model provides an engine shock absorption seat for an unmanned aerial vehicle, which comprises a first shock absorption support plate 1 and a second shock absorption support plate 2, wherein the periphery of the first shock absorption support plate 1 is provided with more than three lower bosses 3 extending downwards at even intervals along the circumferential direction, the inner side of the first shock absorption support plate 1 is provided with more than three upper bosses 4 extending upwards at even intervals along the circumferential direction, the top surfaces and the bottom surfaces of the upper bosses 4 and the lower bosses 3 are respectively provided with an upper groove 5 and a lower groove, a first rubber shock absorption ring block 6 is arranged in the upper groove 5, a second rubber shock absorption ring block 7 is arranged in the lower groove, the second shock absorption support plate 2 is provided with first fixing holes 8 corresponding to the upper bosses 4 one by one, a second fixing hole 9 for fixing with an engine is arranged between two adjacent first fixing holes 8, and the second shock absorption support plate 2 passes through the first fixing holes 8 and the corresponding second fixing holes 4 A bolt compresses tightly to be fixed in on the first shock attenuation backup pad 1, first shock attenuation backup pad 1 is through passing the second bolt of boss 3 compresses tightly to be fixed in on the unmanned aerial vehicle fuselage of below.

In one embodiment of the present invention, the periphery of the second shock absorbing support plate 2 is provided with a plurality of outward extending lugs, two adjacent lugs are provided with the first fixing hole 8 and the second fixing hole 9 in sequence, one side of the second shock absorbing support plate 2 is further provided with an outward extending part extending out of the plate surface of the first shock absorbing support plate 1, and the outward extending part is provided with a hole to form a handle 10 for being held by a hand.

In one embodiment of the present invention, there are four lower bosses 3, and four extension angles are uniformly spaced around the periphery of the first shock absorbing support plate 1, and each extension angle is provided with one lower boss 3.

In one embodiment of the present invention, there are four upper bosses 4, one upper boss 4 is disposed between two adjacent lower bosses 3, and the upper bosses 4 and the lower bosses 3 are respectively located on the upper surface and the lower surface of the first shock absorbing support plate 1.

It is understood that the number of the upper and lower bosses can be three, five or six, and the like, and can be flexibly selected according to the requirement. In addition, the number of the upper and lower bosses is also necessarily equal.

In one embodiment of the utility model, the plate surfaces of the first damping support plate 1 and the second damping support plate 2 are provided with hollowed holes for reducing weight.

In one embodiment of the present invention, the first shock absorbing support plate 1, the lower boss 3 and the upper boss 4 are integrally formed of the same material.

In one embodiment of the utility model, the upper groove 5 and the lower groove communicate at the center of the groove bottom through a through hole having a diameter smaller than the diameter of the groove opening of the upper groove 5 or the lower groove.

The basic principle of the utility model is as follows: the first damping support plate 1 is provided with a plurality of upper bosses 4 and a plurality of lower bosses 3 which are staggered on the inner sides and the periphery of the upper surface and the lower surface, the upper surfaces and the lower surfaces of the upper bosses and the lower bosses are correspondingly provided with upper and lower grooves so that first rubber damping ring blocks (6 and 7) can be correspondingly arranged, a first bolt penetrates through a first fixing hole 8 of the second damping support plate 2 and then sequentially penetrates through first rubber damping blocks and second rubber damping blocks on the upper bosses 4 and then is directly compressed and fixed with the first damping support plate 1, an engine body is connected with each second fixing hole 9 on the second damping support plate 2, so that the vibration of the engine is ensured to be directly transmitted to the second damping support plate 2 firstly, the vibration is integrally absorbed and then transmitted to the first damping support plate through each upper boss and the first damping ring block and the second damping ring block in the upper boss, the first damping ring block and the second damping ring block in each upper boss can effectively absorb the vibration in the process, and then the first damping support plate is correspondingly arranged in each lower boss and the first damping ring block and the lower boss below the first damping support plate Two damping ring pieces are to the unmanned aerial vehicle fuselage transmission, carry out the shock absorption once more, guarantee multistage absorption back, and engine vibrations have finally been transmitted to the unmanned aerial vehicle fuselage and have had the effect decay to avoid the various problems that engine vibrations brought.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the utility model.

Claims

1. An engine shock absorption seat of an unmanned aerial vehicle is characterized by comprising a first shock absorption support plate (1) and a second shock absorption support plate (2), wherein more than three lower bosses (3) extending downwards are uniformly arranged at the periphery of the first shock absorption support plate (1) at intervals along the circumferential direction, more than three upper bosses (4) extending upwards are uniformly arranged at the inner side of the first shock absorption support plate (1) at intervals along the circumferential direction, upper grooves (5) and lower grooves are respectively arranged on the top surfaces and the bottom surfaces of the upper bosses (4) and the lower bosses (3), first rubber shock absorption ring blocks (6) are arranged in the upper grooves (5), second rubber shock absorption ring blocks (7) are arranged in the lower grooves, first fixing holes (8) corresponding to the upper bosses (4) in a one-to-one mode are arranged on the second shock absorption support plate (2), and second fixing holes (9) used for fixing with an engine are arranged between every two adjacent first fixing holes (8), second shock attenuation backup pad (2) are through passing first fixed orifices (8) and corresponding go up the first bolt of boss (4) and compress tightly and be fixed in on first shock attenuation backup pad (1), first shock attenuation backup pad (1) compress tightly through passing the second bolt of boss (3) down is fixed in on the unmanned aerial vehicle fuselage of below.

2. The engine shock mount of an unmanned aerial vehicle of claim 1, characterized in that, the periphery of second shock attenuation backup pad (2) is equipped with a plurality of lugs that extend outward, is equipped with on two adjacent lugs in proper order and is equipped with first fixed orifices (8) and second fixed orifices (9), second shock attenuation backup pad (2) one side still has the extension that extends outward beyond first shock attenuation backup pad (1) face, the extension is trompil in order to form the handle (10) that is convenient for the hand to hold.

3. The engine shock mount of an unmanned aerial vehicle of claim 1, characterized in that, there are four lower bosses (3), and the periphery of the first shock absorption support plate (1) is provided with four extension angles at regular intervals, and each extension angle is provided with one lower boss (3).

4. The engine shock mount of an unmanned aerial vehicle of claim 3, characterized in that, there are four upper bosses (4), and there is one upper boss (4) between two adjacent lower bosses (3), and upper boss (4) and lower boss (3) are located respectively on the upper surface and the lower surface of first shock attenuation backup pad (1).

5. The engine shock mount of an unmanned aerial vehicle according to claim 1, characterized in that the first shock-absorbing support plate (1) and the second shock-absorbing support plate (2) are provided with hollowed holes for reducing weight on the plate surface.

6. The engine mount of an unmanned aerial vehicle of any one of claims 1 to 5, wherein the first shock absorbing support plate (1), the lower boss (3) and the upper boss (4) are integrally formed by the same material.

7. The engine mount of an unmanned aerial vehicle of any one of claims 1 to 5, wherein the upper groove (5) and the lower groove communicate at a center of the groove bottom through a through hole having a diameter smaller than a diameter of the groove opening of the upper groove (5) or the lower groove.