Fuel oil device for large-scale freight unmanned aerial vehicle

Abstract

The utility model provides a fuel oil device for a large-scale freight unmanned aerial vehicle, which relates to the technical field of unmanned aerial vehicle equipment and comprises a fuselage main body, a supporting frame is arranged in the fixing frame; four adjusting assemblies are arranged in the fixing frame, a limiting ring is connected with a connecting lead screw, a swing frame and a connecting sliding sleeve are in sliding fit with a sliding base and a supporting column, the elastic effect of a buffer spring is utilized, the damping performance of the fuel oil power machine can be obviously improved, the fuel oil power machine is more stable in the running process, and the service life of the fuel oil power machine is prolonged. The fuel power device reduces resonance with a fixing frame, prolongs the service life of the fuel power machine, and solves the problems that when an existing large freight unmanned aerial vehicle fuel device is used, the fuel power device can generate resonance with a mounting frame in the operation process, a reasonable damping structure is lacked, the operation stability of the fuel power device is reduced, and the service life of the fuel power device is prolonged. And adverse effects on the service life are generated.

Description

Technical Field

[0001] The utility model relates to the technical field of unmanned aerial vehicle equipment, in particular to a fuel device for a large-scale cargo unmanned aerial vehicle. Background Art

[0002] With the development of science and technology, the use of drones is becoming more and more popular. Among them, cargo drones used for large cargo transportation play an important role in the field of logistics. Fuel drones and electric drones are the two most common types of drones on the market today. Fuel drones are powered by fuel, and the engine converts fuel into thrust to drive the drone's rotor or propeller to fly.

[0003] When the existing large-scale cargo UAV fuel device is in use, the fuel power device will resonate with the mounting frame during operation. It lacks a reasonable shock-absorbing structure, which reduces the stability of the fuel power device and has an adverse effect on its service life. In addition, the fuel tank in the UAV is generally fixed with a large number of clamping bolts. The assembly and disassembly process is cumbersome and laborious, and it is not convenient for subsequent maintenance and replacement. Utility Model Content

[0004] The disclosed embodiment relates to a fuel device for a large-scale cargo UAV, in which a limit ring is connected to a connecting screw rod, and slidingly cooperates with a sliding seat and a support column through a swing frame and a connecting sleeve, and utilizes the elastic effect of a buffer spring, thereby significantly improving the shock absorption performance of the fuel power machine, making the fuel power machine more stable during operation, reducing resonance with a fixed frame, and increasing the service life of the fuel power machine.

[0005] In a first aspect of the present disclosure, a fuel device for a large-scale cargo UAV is provided, which specifically includes: a fuselage main body, wherein a fixing frame is fixedly installed inside the fuselage main body; a supporting frame is provided inside the fixing frame; four adjustment components are provided inside the fixing frame, and the four adjustment components are distributed in a rectangular array, and the adjustment components are connected to the fixing frame and the supporting frame; a fuel tank is provided inside the fixing frame, and the fuel tank is located on the top of the supporting frame; an adjustment frame is provided on one side of the supporting frame; a fuel power machine is fixedly installed inside the supporting frame; and a battery is provided at the front of the fuel power machine.

[0006] In at least some embodiments, a cargo box is provided at the bottom of the fuselage body, a propeller is provided at the rear of the fuselage body, main wings are provided on the left and right sides of the fuselage body, a tail wing is provided at the rear of the fuselage body, and the tail wing is connected to the fuel power engine through a drive shaft.

[0007] In at least some embodiments, the fixing frame is a composite frame structure composed of a trapezoidal and rectangular cross-sections, and the inner wall of the trapezoidal frame of the fixing frame is provided with four connecting ears, and the connecting ears correspond to the positions of the adjustment components, and a connecting screw is rotatably installed on the connecting ears through a pin shaft, and a locking nut is provided on the connecting screw.

[0008] In at least some embodiments, the support frame is provided with support columns at four diagonal positions, and the four support columns are distributed in a vertical and parallel manner, two buffer springs are mounted on the support columns, two limit slots are provided on the right side of the upper horizontal plate of the support frame, and the two limit slots are distributed in a symmetrical manner, an adjusting screw is provided on the right side between the upper and lower horizontal plates of the support frame, and the adjusting screw is rotatably connected to the support frame through a damping sleeve, and two guide slide rods are provided on the right side between the upper and lower horizontal plates of the support frame, and the two guide slide rods are distributed in a symmetrical manner.

[0009] In at least some embodiments, the adjustment assembly includes a sliding seat, a connecting block, a swing frame, a limiting ring and a connecting sleeve. The sliding seat is slidably mounted on the support column, and the buffer spring is supported between the sliding seat and the support frame. A connecting block is provided on one side of the sliding seat, and a swing frame is rotatably mounted on the connecting block through a pin shaft. The limiting ring is slidably mounted on the connecting screw rod, and two connecting sleeves are provided on the outer peripheral surface of the limiting ring, and the two connecting sleeves are symmetrically distributed, and the connecting sleeve is slidably mounted on the swing frame.

[0010] In at least some embodiments, the outer circumferential surface of the fuel tank is provided with two positioning grooves, the positioning grooves are provided with fixing straps, one end of the fixing straps is connected to the support frame, and the other end of the fixing straps is provided with a limiting column.

[0011] In at least some embodiments, a threaded sleeve is provided in the middle position of the adjustment frame, and the threaded sleeve is slidably mounted on the adjustment screw rod by means of a thread, and the guide slide rod slides through the adjustment frame, and limiting slots are provided at the front and rear ends of the adjustment frame, and the fixing strap passes through the limiting through slot and the limiting slot at the same time, and the limiting column is clamped with the limiting slot.

[0012] The utility model provides a fuel device for a large-scale cargo drone, which has the following beneficial effects:

[0013] The limit ring in the utility model is connected with the connecting screw rod, and the sliding cooperation with the sliding seat and the supporting column through the swing frame and the connecting sliding sleeve, and the elastic effect of the buffer spring can be used to significantly improve the shock absorption performance of the fuel power machine, so that the fuel power machine can be more stable during operation, reduce the resonance generated with the fixed frame, and increase the service life of the fuel power machine.

[0014] In addition, by turning the knob at the top of the adjusting screw rod, the adjusting screw rod and the threaded sleeve cooperate to drive the adjusting frame to be adjusted up and down along the guide slide rod. Since the fixing strap passes through the limit slot and the limit card slot at the same time, and the limit column is engaged with the limit card slot, the two fixing straps can be controlled to limit and fix the fuel tank. The assembly method is flexible and fast, and the fuel tank can be quickly loaded and unloaded, which is convenient for its maintenance and replacement in the later stage. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the technical solution of the embodiment of the utility model, the drawings of the embodiment will be briefly introduced below.

[0016] The drawings described below only relate to some embodiments of the present invention, but are not intended to limit the present invention.

[0017] In the attached picture:

[0018] Figure 1 The overall axial viewing angle structure schematic diagram of the present application is shown;

[0019] Figure 2 This application shows Figure 1 The schematic diagram of the structure after the main fuselage is removed;

[0020] Figure 3 A schematic diagram of the fixing frame structure of the present application is shown;

[0021] Figure 4 A schematic diagram of the structure of the support frame, connecting screw rod and adjusting assembly in the exploded state of the present application is shown;

[0022] Figure 5 A schematic diagram of the structure of the fuel tank, the adjustment frame and the support frame in the explosion state of the present application is shown.

[0023] List of reference numerals:

[0024] 1. Fuselage body; 101. Cargo box; 102. Propeller; 103. Main wing; 104. Tail; 2. Fixing frame; 201. Connecting ears; 202. Connecting screw rod; 203. Locking nut; 3. Support frame; 301. Support column; 302. Buffer spring; 303. Limiting slot; 304. Adjusting screw rod; 305. Guide slide rod; 4. Adjusting assembly; 401. Sliding seat; 402. Connecting block; 403. Swinging frame; 404. Limiting ring; 405. Connecting sleeve; 5. Fuel tank; 501. Positioning slot; 502. Fixing strap; 503. Limiting column; 6. Adjusting frame; 601. Threaded sleeve; 602. Limiting slot; 7. Fuel engine; 8. Battery. DETAILED DESCRIPTION

[0025] In order to make the purpose, technical solution and advantages of the embodiment of the utility model clearer, the technical solution of the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings of the embodiment of the utility model. Obviously, the described embodiment is a part of the embodiment of the utility model, not all of the embodiments. Based on the described embodiment of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] Example 1: Please refer to Figures 1 to 5 :

[0027] The utility model proposes a fuel device for a large-scale cargo drone, comprising: a fuselage body 1, a fixing frame 2 is fixedly installed inside the fuselage body 1; a supporting frame 3 is arranged inside the fixing frame 2; four adjusting components 4 are arranged inside the fixing frame 2, and the four adjusting components 4 are distributed in a rectangular array, and the adjusting components 4 are connected to the fixing frame 2 and the supporting frame 3; a fuel tank 5 is arranged inside the fixing frame 2, and the fuel tank 5 is located on the top of the supporting frame 3; an adjusting frame 6 is arranged on one side of the supporting frame 3; a fuel engine 7 is fixedly installed inside the supporting frame 3; a storage battery 8 is arranged at the front of the fuel engine 7;

[0028] A cargo box 101 is provided at the bottom of the fuselage body 1, a propeller 102 is provided at the rear of the fuselage body 1, main wings 103 are provided on the left and right sides of the fuselage body 1, a tail 104 is provided at the rear of the fuselage body 1, and the tail 104 is connected to the fuel power engine 7 through a drive shaft.

[0029] In the present disclosure, Figure 3 and Figure 4 As shown, the fixing frame 2 is a composite frame structure composed of a trapezoidal and rectangular cross section, and the inner wall of the trapezoidal frame of the fixing frame 2 is provided with four connecting ears 201, and the connecting ears 201 correspond to the positions of the adjustment components 4, and a connecting screw 202 is rotatably installed on the connecting ears 201 through a pin shaft, and a locking nut 203 is provided on the connecting screw 202;

[0030] The support frame 3 is provided with support columns 301 at four diagonal positions, and the four support columns 301 are distributed in a vertical parallel manner, and two buffer springs 302 are mounted on the support columns 301;

[0031] The adjusting assembly 4 includes a sliding seat 401, a connecting block 402, a swing frame 403, a limiting ring 404 and a connecting sleeve 405. The sliding seat 401 is slidably mounted on the support column 301, and the buffer spring 302 is supported between the sliding seat 401 and the support frame 3. A connecting block 402 is provided on one side of the sliding seat 401, and the swing frame 403 is rotatably mounted on the connecting block 402 through a pin shaft. The limiting ring 404 is slidably mounted on the connecting screw rod 202, and the outer circumference of the limiting ring 404 is provided with two connecting The connecting sleeve 405 is symmetrically distributed at two locations, and the connecting sleeve 405 is slidably mounted on the swing frame 403. The limiting ring 404 in the utility model is connected to the connecting screw rod 202. The swing frame 403 and the connecting sleeve 405 slide with the sliding seat 401 and the support column 301, and the elastic effect of the buffer spring 302 is utilized, so that the shock absorbing performance of the fuel power machine 7 can be significantly improved, making the fuel power machine 7 more stable during operation.

[0032] Embodiment 2, based on embodiment 1, as Figure 5 As shown, two limit slots 303 are provided on the right side of the upper horizontal plate of the support frame 3, and the two limit slots 303 are symmetrically distributed, an adjusting screw rod 304 is provided on the right side between the upper and lower horizontal plates of the support frame 3, and the adjusting screw rod 304 is rotatably connected to the support frame 3 through a damping sleeve, and two guide slide bars 305 are provided on the right side between the upper and lower horizontal plates of the support frame 3, and the two guide slide bars 305 are symmetrically distributed;

[0033] Two positioning grooves 501 are provided on the outer circumference of the fuel tank 5, and a fixing strap 502 is provided at the positioning groove 501. One end of the fixing strap 502 is connected to the support frame 3, and a limiting column 503 is provided at the other end of the fixing strap 502.

[0034] A threaded sleeve 601 is provided in the middle of the adjusting frame 6, and the threaded sleeve 601 is slidably mounted on the adjusting screw rod 304 by means of a thread, and the guide slide bar 305 slides through the adjusting frame 6, and limiting slots 602 are provided at the front and rear ends of the adjusting frame 6, the fixing strap 502 passes through the limiting slot 303 and the limiting slot 602 at the same time, and the limiting column 503 is engaged with the limiting slot 602, and by rotating the knob at the top of the adjusting screw rod 304, the adjusting screw rod 304 cooperates with the threaded sleeve 601 to drive the adjusting frame 6 to move up and down along the guide slide bar 305, because the fixing strap 502 passes through the limiting slot 303 and the limiting slot 602 at the same time, and the limiting column 503 is engaged with the limiting slot 602, the limiting fixation of the fuel tank 5 by the two fixing straps 502 can be controlled.

[0035] The working principle of this embodiment is as follows: when in use, the limiting ring 404 is connected to the connecting screw rod 202, and slides with the sliding seat 401 and the supporting column 301 through the swing frame 403 and the connecting sleeve 405, and utilizes the elastic effect of the buffer spring 302 to significantly improve the shock absorption performance of the fuel engine 7, so that the fuel engine 7 is more stable during operation; by turning the knob at the top of the adjusting screw rod 304, the adjusting screw rod 304 cooperates with the threaded sleeve 601 to drive the adjusting frame 6 to adjust up and down along the guide slide rod 305, and because the fixed strap 502 passes through the limiting through groove 303 and the limiting slot 602 at the same time, and the limiting column 503 is engaged with the limiting slot 602, the limiting fixation of the fuel tank 5 by the two fixed straps 502 can be controlled.

[0036] The above are only specific embodiments of the present disclosure, but the protection scope of the present disclosure is not limited thereto. Any technician familiar with the technical field can easily think of changes or substitutions within the technical scope disclosed in the present disclosure, which should be included in the protection scope of the present disclosure. Therefore, the protection scope of the present disclosure should be based on the protection scope of the claims.

Claims

1. A large-scale cargo drone fuel device, characterized in that: include: A fuselage body, wherein a fixing frame is fixedly installed inside the fuselage body; a supporting frame is arranged inside the fixing frame; four adjusting components are arranged inside the fixing frame, and the four adjusting components are distributed in a rectangular array, and the adjusting components are connected to the fixing frame and the supporting frame; a fuel tank is arranged inside the fixing frame, and the fuel tank is located on the top of the supporting frame; an adjusting frame is arranged on one side of the supporting frame; a fuel power machine is fixedly installed inside the supporting frame; a battery is arranged at the front of the fuel power machine.

2. A large-scale cargo drone fuel device according to claim 1, characterized in that: A cargo box is provided at the bottom of the fuselage body, a propeller is provided at the rear of the fuselage body, main wings are provided on the left and right sides of the fuselage body, a tail wing is provided at the rear of the fuselage body, and the tail wing is connected to the fuel power machine through a driving shaft.

3. A large-scale cargo drone fuel device according to claim 1, characterized in that: The fixing frame is a composite frame structure composed of a trapezoidal and rectangular cross-sections, and the inner wall of the trapezoidal frame of the fixing frame is provided with four connecting ears, and the connecting ears correspond to the positions of the adjustment components, and a connecting screw is rotatably installed on the connecting ears through a pin shaft, and a locking nut is provided on the connecting screw.

4. A large-scale cargo drone fuel device according to claim 1, characterized in that: The support frame is provided with support columns at four diagonal positions, and the four support columns are distributed in a vertical and parallel manner. Two buffer springs are mounted on the support columns. Two limit slots are provided on the right side of the upper horizontal plate of the support frame, and the two limit slots are distributed in a symmetrical manner. An adjusting screw is provided on the right side between the upper and lower horizontal plates of the support frame, and the adjusting screw is rotatably connected to the support frame through a damping sleeve. Two guide slide bars are provided on the right side between the upper and lower horizontal plates of the support frame, and the two guide slide bars are distributed in a symmetrical manner.

5. A large-scale cargo drone fuel device according to claim 1, characterized in that: The adjusting assembly includes a sliding seat, a connecting block, a swing frame, a limiting ring and a connecting sleeve. The sliding seat is slidably mounted on the support column, and a buffer spring is supported between the sliding seat and the support frame. A connecting block is provided on one side of the sliding seat, and a swing frame is rotatably mounted on the connecting block through a pin shaft. The limiting ring is slidably mounted on the connecting screw rod, and two connecting sleeves are provided on the outer circumference of the limiting ring, and the two connecting sleeves are symmetrically distributed, and the connecting sleeve is slidably mounted on the swing frame.

6. A large-scale cargo drone fuel device according to claim 1, characterized in that: The outer peripheral surface of the fuel tank is provided with two positioning grooves, the positioning grooves are provided with fixing straps, one end of the fixing strap is connected to the support frame, and the other end of the fixing strap is provided with a limiting column.

7. A large-scale cargo drone fuel device according to claim 1, characterized in that: A threaded sleeve is provided in the middle position of the adjustment frame, and the threaded sleeve is slidably mounted on the adjustment screw rod by means of a thread, and the guide slide rod slides through the adjustment frame, and limit slots are provided at the front and rear ends of the adjustment frame, and the fixed strap passes through the limit slot and the limit slot at the same time, and the limit column is clamped with the limit slot.

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