CN220616176U

CN220616176U - Nacelle retracting mechanism for unmanned aerial vehicle

Info

Publication number: CN220616176U
Application number: CN202321343571.6U
Authority: CN
Inventors: 侯跃岭
Original assignee: Liaoning Aerospace Hongtu Drone Technology Co ltd
Current assignee: Liaoning Aerospace Hongtu Drone Technology Co ltd
Priority date: 2023-05-30
Filing date: 2023-05-30
Publication date: 2024-03-19
Anticipated expiration: 2033-05-30

Abstract

The utility model discloses a pod retracting mechanism for an unmanned aerial vehicle, which comprises a pod load shell, wherein two trigger mechanisms are arranged in the pod load shell, a speed reducing motor is arranged in the pod load shell, and a fixing mechanism is arranged at the output end of the speed reducing motor through a U-shaped metal support plate; the nacelle load shell is provided with a nacelle controller, and the triggering mechanism and the gear motor are electrically connected with the nacelle controller. The pod is controlled to horizontally retract into the body or to be lowered to a vertical state through the gear motor, so that the problem that a small unmanned aerial vehicle, particularly an unmanned aerial vehicle without landing gear, cannot be provided with pod equipment is solved. Ensuring the normal operation of the nacelle and not affecting the visual field of the nacelle. Meanwhile, the device has the advantages of simple structure, high reliability and convenience in installation, and the control process of the whole device is smooth and stable.

Description

Nacelle retracting mechanism for unmanned aerial vehicle

Technical Field

The utility model relates to the technical field of unmanned aerial vehicle pods, in particular to a pod retraction mechanism for an unmanned aerial vehicle.

Background

The nacelle is used as a common load device of the unmanned aerial vehicle, has optical modes such as visible light and infrared, supports a 2-axis or 3-axis movement mode, and needs to be vertically installed on the unmanned aerial vehicle. The normal installation mode is to directly and fixedly install outside the machine body, some unmanned aerial vehicles protect the nacelle equipment, the equipment is installed on an elevating mechanism inside the machine body, and the nacelle is lowered outside the machine body in a vertical elevating mode to work. The nacelle is generally larger in vertical dimension and smaller in horizontal dimension, and cannot be installed in the above manner for small unmanned aerial vehicles, particularly unmanned aerial vehicles without landing gear.

Disclosure of Invention

The utility model aims to provide a pod retraction jack for an unmanned aerial vehicle, wherein in the taking-off and landing stage of the unmanned aerial vehicle, a pod is horizontally retracted into a fuselage, and when the unmanned aerial vehicle is lifted off, the pod can be controlled by software to be lowered outside the fuselage until the pod stops in a vertical state, so that the normal operation of the pod is ensured, and the visual field of the pod is not influenced.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the pod retracting mechanism for the unmanned aerial vehicle comprises a pod load shell, wherein two trigger mechanisms are installed in the pod load shell, a speed reducing motor is arranged in the pod load shell, and a fixing mechanism is installed at the output end of the speed reducing motor through a U-shaped metal supporting plate;

the nacelle load shell is provided with a nacelle controller, and the triggering mechanism and the gear motor are electrically connected with the nacelle controller.

Compared with the prior art, the utility model has the beneficial effects that:

the pod is controlled by the gear motor, so that the pod can be horizontally retracted into the body or lowered to a vertical state, and the problem that small unmanned aerial vehicle, especially unmanned aerial vehicle without landing gear, cannot be provided with pod equipment is solved. Ensuring that the nacelle can normally operate and not affecting the visual field of the nacelle.

Meanwhile, the device has the advantages of simple structure, high reliability and convenience in installation, and the control process of the whole device is smooth and stable.

Drawings

Fig. 1 is an external view of a pod jack for a unmanned aerial vehicle according to the present utility model.

Fig. 2 is a stow state diagram of the pod stowing and releasing mechanism of the present utility model.

Fig. 3 is a lowered state diagram of the pod jack of the present utility model.

Fig. 4 is an exploded view of the motor drive assembly of the present utility model.

Fig. 5 is an exploded view of the auxiliary support assembly of the present utility model.

Fig. 6 is a control flow chart of the present utility model.

1. The base is retracted; 2. a first limit switch; 3. a speed reducing motor; 4. putting down the base; 5. a second limit switch; 6. a shock absorbing carbon plate; 7. rubber shock-absorbing balls; 8. fixing a carbon plate; 9. u-shaped metal support plate; 10. a motor mounting base; 11. a first fixing member; 12. a first support; 13. a second fixing member; 14. a second support; 15. a bearing; 16. a jackscrew; 17. a steel pin; 18. a pod load housing; 19. a pod controller.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-5, the present utility model provides a technical solution: the pod retracting mechanism for the unmanned aerial vehicle comprises a pod load housing 18, wherein two trigger mechanisms are arranged in the pod load housing 18, the two trigger mechanisms are arranged at right angles, and an included angle between the two trigger mechanisms is 90 degrees, as shown in fig. 1. The reduction motor 3 is arranged in the nacelle load housing 18, and a fixing mechanism is arranged at the output end of the reduction motor 3 through a U-shaped metal support plate 9 and is used for installing nacelle equipment. Preferably, the gear motor 3 is mounted in the pod load housing 18 by a motor mounting base 10. The nacelle load housing 18 is provided with a nacelle controller 19, and the trigger mechanism and the gear motor 3 are electrically connected with the nacelle controller 19.

The fixing mechanism comprises a damping carbon plate 6 and a fixing carbon plate 8, and the damping carbon plate 6 and the fixing carbon plate 8 are connected through a rubber damping ball 7; the U-shaped metal support plate 9 is connected with the fixed carbon plate 8, and the U-shaped metal support plate 9 is provided with lugs integrally formed, and the lugs are respectively matched with the stowing trigger mechanism and the lowering trigger mechanism, so that a trigger effect is achieved.

The two triggering mechanisms are respectively a stow triggering mechanism and a put-down triggering mechanism. The stow triggering mechanism comprises a stow base 1 and a first limit switch 2, the stow base 1 is arranged on the inner wall of the side face of the pod load housing 18, and the pole lugs face to the contacts of the first limit switch 2. The lowering trigger mechanism comprises a lowering base 4 and a second limit switch 5, the lowering base 4 is arranged on the inner wall of the bottom surface of the nacelle load shell 18, and the lugs face to the contacts of the second limit switch 5. The first limit switch 2 and the second limit switch 5 are respectively fixed through the folding base 1 and the laying base 4, and the two are arranged at an included angle of 90 degrees.

The first support piece 12 and the second support piece 14 are installed in the nacelle load housing 18, the bearings 15 are installed on the first support piece 12 and the second support piece 14, and the first fixing piece 11 and the second fixing piece 13 are installed on the U-shaped metal support plate 9. The output end of the gear motor 3 is connected with the first fixing piece 11 through a bearing 15 in the first supporting piece 12, and the bearing 15 in the second supporting piece 14 is connected with the second supporting piece 14 through a steel pin 17. This ensures a smoother rotation of the fixed carbon plate 8 and thus a smooth operation of the nacelle apparatus. Openings are formed in the first fixing piece 11 and the second fixing piece 13, jackscrews 16 are assembled in the openings, and the jackscrews 16 play a role in connecting the fixing pieces and the shaft.

The utility model also provides a control method of the pod retraction jack for the unmanned aerial vehicle, and the specific operation flow of the control method is shown in figure 6. While the pod controller 19 is electrically connected to the drone with signals including power inputs and control signal inputs.

The utility model also provides an installation method of the pod retracting mechanism for the unmanned aerial vehicle, which comprises the following steps:

1) First, the stowage base 1 is mounted to the corresponding position of the pod load housing 19 using M3 screws, the side of the stowage base 1 is mounted using M2 screws, requiring the contact position to be outward; the drop foot 4 is mounted to the pod load housing 19 in a corresponding position using M3 screws, to the side of the drop foot 4 using M2 screws, requiring the contact position to be outward.

2) The fixed damping carbon plate 6 and the fixed carbon plate 8 are connected together through 4 rubber damping balls 7.

3) 2) the already installed assembly is mounted to the metal support plate 9 using M3 screws.

4) The 2 bearings 15 are pressed into the circular holes of the first support 12 and the second support 14, respectively.

5) The first fixing member 11 and the second fixing member 13 are mounted to the metal support plate 9 using M3 screws.

6) The gear motor 3 is mounted to the motor mounting base 10 using M3 screws.

7) The first fixing member 11 and the first supporting member 12 are connected using the rotation shaft of the gear motor 3.

8) The second fixing member 13 and the second supporting member 14 are connected using steel pins 17.

9) The jackscrews 16 are respectively mounted into the mounting holes of the first fixing member 11 and the second fixing member 13.

10 Using M3 screws, the gear motor 3 and the motor mounting base 10 are fixed to the nacelle load housing 18 at the corresponding positions.

11 Using M3 screws, the second support 14 and the first support 12 are fixed to the nacelle load housing 18 in corresponding positions.

Claims

1. The utility model provides a nacelle jack for unmanned aerial vehicle which characterized in that: the device comprises a nacelle load housing (18), wherein two trigger mechanisms are arranged in the nacelle load housing (18), a speed reduction motor (3) is arranged in the nacelle load housing (18), and a fixing mechanism is arranged at the output end of the speed reduction motor (3) through a U-shaped metal support plate (9);

the nacelle load shell (18) is provided with a nacelle controller (19), and the triggering mechanism and the gear motor (3) are electrically connected with the nacelle controller (19).

2. The pod retraction jack for an unmanned aerial vehicle according to claim 1, wherein: the two triggering mechanisms are respectively a stow triggering mechanism and a put-down triggering mechanism.

3. The pod retraction jack for an unmanned aerial vehicle according to claim 2, wherein: the fixing mechanism comprises a damping carbon plate (6) and a fixing carbon plate (8), and the damping carbon plate (6) and the fixing carbon plate (8) are connected through a rubber damping ball (7); the U-shaped metal support plate (9) is connected with the fixed carbon plate (8), the U-shaped metal support plate (9) is integrally formed with the lug, and the lug is matched with the retraction triggering mechanism and the setting-down triggering mechanism respectively.

4. A pod retraction jack for a unmanned aerial vehicle according to claim 3, wherein: the stowing triggering mechanism comprises a stowing base (1) and a first limit switch (2), and the stowing base (1) is arranged on the inner wall of the side face of the nacelle load housing (18); the pole lugs face to the contacts of the first limit switch (2).

5. A pod retraction jack for a unmanned aerial vehicle according to claim 3, wherein: the lowering trigger mechanism comprises a lowering base (4) and a second limit switch (5), and the lowering base (4) is arranged on the inner wall of the bottom surface of the nacelle load shell (18); the electrode lug faces to a contact of the second limit switch (5).

6. The pod retraction jack for an unmanned aerial vehicle according to claim 1, wherein: a first supporting piece (12) and a second supporting piece (14) are arranged in the nacelle load shell (18), bearings (15) are arranged on the first supporting piece (12) and the second supporting piece (14), and a first fixing piece (11) and a second fixing piece (13) are arranged on the U-shaped metal supporting plate (9);

the output end of the speed reducing motor (3) is connected with the first fixing piece (11) through a bearing (15) in the first supporting piece (12);

the bearing (15) in the second support (14) is connected with the second support (14) through a steel pin (17).

7. The pod retraction jack for an unmanned aerial vehicle according to claim 6, wherein: openings are formed in the first fixing piece (11) and the second fixing piece (13), and jackscrews (16) are assembled in the openings.

8. The pod retraction jack for an unmanned aerial vehicle according to claim 1, wherein: the gear motor (3) is arranged in the nacelle load housing (18) through a motor mounting base (10).