Traction device of unmanned aerial vehicle

Abstract

The utility model relates to the technical field of unmanned aerial vehicles, in particular to an unmanned aerial vehicle traction device which comprises a vehicle body, supporting arms are fixedly connected to the four corners of the side wall of the vehicle body, driving motors are fixedly connected to the tops of the ends, away from the vehicle body, of the supporting arms, and rotor wings are arranged at the output ends of the driving motors. Undercarriages are symmetrically and fixedly connected to the two sides of the bottom of the machine body, a traction cavity is formed in the center of the bottom of the machine body, a small air cylinder is arranged above the traction cavity, the output end of the small air cylinder is fixedly connected with a piston plate, and the piston plate extends into the traction cavity. The position of the traction part is flexible, so that the traction part can be stored and protected when not used, damage caused by exposure of the traction part is avoided, the adaptability of the traction part to articles of different specifications is good, the adaptation degree of the traction part can be guaranteed when the traction part faces the articles of different specifications, and limitation cannot be generated in the using process.

Description

Technical Field

[0001] The utility model relates to the technical field of unmanned aerial vehicles, in particular to a traction device for unmanned aerial vehicles. Background Art

[0002] A drone, also known as a drone or unmanned aerial vehicle (UAV), is an aircraft that can fly without a pilot or by remote control. They vary in size, shape, and function, from small quadcopters to large high-altitude, long-endurance aircraft. Drones are used in many fields. The development of drone technology has enabled them to operate autonomously in increasingly complex environments and complete various tasks. With the advancement of technology, the capabilities of drones are also constantly improving, including flight time, load capacity, flight altitude, and autonomy. However, the use of drones has also raised a series of legal, ethical, and social issues, especially in terms of privacy, security, and international law. Therefore, many countries are formulating relevant regulations to regulate the use and development of drones.

[0003] In some special usage scenarios, the drone needs to tow objects, so a towing device is needed. Although the traditional towing device has a certain towing capacity, it still has some shortcomings. For example, the position of its towing part is relatively fixed, so it is difficult to store and protect it when not in use, which is easy to be damaged due to its exposure to the outside, and its adaptability to objects of different specifications is poor. Therefore, it is difficult to ensure its adaptability when facing objects of different specifications, which will cause certain limitations in use. Therefore, a towing device for a drone is proposed to address the above problems. Utility Model Content

[0004] The purpose of the utility model is to provide a traction device for an unmanned aerial vehicle, the position of the traction part of which is relatively flexible, so it can be stored and protected when not in use, so that it is not easily damaged due to being exposed to the outside, and it has good adaptability to objects of different specifications, so when facing objects of different specifications, its adaptability can be guaranteed, so that there will be no limitations in use, so as to solve the problems raised in the above-mentioned background technology.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A traction device for an unmanned aerial vehicle comprises a body, wherein four corners of the side walls of the body are fixedly connected to support arms, the top of the support arm away from one end of the body is fixedly connected to a drive motor and a rotor is provided on the output end of the drive motor, the bottom of the body is symmetrical on both sides and fixedly connected to a landing gear, a traction cavity is opened at the center of the bottom of the body, a small cylinder is provided above the traction cavity, a piston plate is fixedly connected to the output end of the small cylinder and the piston plate extends into the traction cavity, a traction assembly is provided in the inner cavity of the traction cavity, and a connecting assembly is provided between the piston plate and the traction assembly.

[0007] Preferably, the traction assembly comprises a traction support plate, movable grooves are symmetrically provided on both sides of the inner cavity of the traction support plate, movable splints are symmetrically provided below the traction support plate, and rubber pads are fixedly connected to one side of the opposite surfaces of the two movable splints.

[0008] Preferably, a movable block is fixedly connected to the top end of the traction support plate, the movable block passes through the bottom wall of the traction support plate and is slidably connected to the inner cavity of the movable groove, the inner cavity of the movable block is provided with a fastening spring, one end of the fastening spring is fixedly connected to the inner side wall of the movable groove, and the other end is fixedly connected to the side wall of the movable block.

[0009] Preferably, the front and rear walls of the two movable splints are symmetrically and fixedly connected with a first fixing plate, a second fixing plate is provided between the two first fixing plates, the inner cavity of the first fixing plate is a hollow structure and the first fixing plate is movably mounted on the outer side of the second fixing plate.

[0010] Preferably, the second fixing plate is provided with a plurality of positioning screw holes arranged at equal intervals, and a positioning bolt having positions corresponding to the positioning screw holes and matching specifications is passed through and threadedly connected to one end of the first fixing plate close to the second fixing plate.

[0011] Preferably, the connecting assembly includes a connecting block fixedly connected to the bottom of the piston plate and a connecting slot opened at the center of the top of the traction support plate and corresponding to the position of the connecting block and matching the specifications. A connecting bolt for connecting the connecting block to the connecting slot passes through and is threadedly connected to the center of the front side of the traction support plate.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] In the utility model, a driving motor is provided to provide driving force for the rotor, thereby providing a basis for flight; a landing gear is provided to provide support for the take-off and landing of the aircraft body; a traction cavity is provided to provide a storage space for the traction assembly; a small cylinder is provided to adjust the position of the traction assembly by the extension and retraction of the piston plate, so that the traction assembly can be pushed out of the traction cavity by the extension of the small cylinder when it is needed, and can be retracted into the traction cavity for protection when it is not needed, so that it is not easy to be damaged due to being exposed to the outside; the traction assembly can be used to tow objects, and it has better adaptability to objects of different specifications, so when facing objects of different specifications, its adaptability can be guaranteed, so that there will be no limitations in use; the traction assembly can be connected to the piston plate by the provided connecting assembly, and it is convenient to disassemble it when needed. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is the front view of the utility model;

[0015] Figure 2 It is a schematic diagram of the structure of the utility model;

[0016] Figure 3 It is a structural schematic diagram of the traction component of the utility model;

[0017] Figure 4 It is a structural schematic diagram of the traction assembly and the connection assembly of the utility model;

[0018] Figure 5 It is a schematic structural diagram of the first fixing plate and the second fixing plate of the utility model.

[0019] In the figure: 1. body; 2. support arm; 3. drive motor; 4. rotor; 5. landing gear; 6. traction chamber; 7. small cylinder; 8. piston plate; 9. traction assembly; 901. traction support plate; 902. movable groove; 903. movable splint; 904. movable block; 905. fastening spring; 906. first fixing plate; 907. second fixing plate; 908. positioning screw hole; 909. positioning bolt; 10. connecting assembly; 1001. connecting block; 1002. connecting slot; 1003. connecting bolt. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in 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.

[0021] In the description of the present utility model, it needs to be understood that the directions or positional relationships indicated by directional words such as "front, back, up, down, left, right", "lateral, vertical, perpendicular, horizontal" and "top, bottom" are usually based on the directions or positional relationships shown in the drawings, and are only for the convenience of describing the present utility model and simplifying the description. Unless otherwise specified, these directional words do not indicate or imply that the device or element referred to must have a specific direction or be constructed and operated in a specific direction, and therefore cannot be understood as limiting the scope of protection of the present utility model; the directional words "inside and outside" refer to the inside and outside relative to the contours of each component itself.

[0022] In addition, it should be noted that the use of terms such as "first" and "second" to limit components is only for the convenience of distinguishing the corresponding components. If not otherwise stated, the above terms have no special meaning and therefore cannot be understood as limiting the scope of protection of the utility model.

[0023] See also Figure 1-5 , the utility model provides a technical solution:

[0024] A traction device for an unmanned aerial vehicle comprises a body 1, wherein four corners of the side wall of the body 1 are fixedly connected to support arms 2, the top of the support arms 2 away from one end of the body 1 is fixedly connected to a drive motor 3 and a rotor 4 is provided on the output end of the drive motor 3, the bottom of the body 1 is symmetrical on both sides and fixedly connected to landing gears 5, a traction cavity 6 is opened at the center of the bottom of the body 1, a small cylinder 7 is provided above the traction cavity 6, a piston plate 8 is fixedly connected to the output end of the small cylinder 7 and the piston plate 8 extends into the traction cavity 6, a traction assembly 9 is provided in the inner cavity of the traction cavity 6, and a connecting assembly 10 is provided between the piston plate 8 and the traction assembly 9.

[0025] The traction assembly 9 includes a traction support plate 901, and movable grooves 902 are symmetrically provided on both sides of the inner cavity of the traction support plate 901. A movable splint 903 is symmetrically provided below the traction support plate 901. One side of the opposite surface of the two movable splints 903 is fixedly connected with a rubber cushion. A movable block 904 is fixedly connected to the top of the traction support plate 901. The movable block 904 penetrates the bottom wall of the traction support plate 901 and is slidably connected to the inner cavity of the movable groove 902. A fastening spring 905 is provided in the inner cavity of the movable block 904. One end of the fastening spring 905 is fixedly connected to the inner side wall of the movable groove 902, and the other end is fixedly connected to the side wall of the movable block 904. The front wall and the rear wall of the two movable splints 903 are symmetrically and fixedly connected with a first fixed plate 906. A second fixed plate 907 is provided between the two first fixed plates 906. The inner cavity of the first fixed plate 906 is a hollow structure, and the first fixed plate 906 is movably sleeved on the outer side of the second fixed plate 907. The second fixed plate 907 is equidistant A number of positioning screw holes 908 are arranged at intervals, and a positioning bolt 909 corresponding to the position of the positioning screw hole 908 and matching the specifications is penetrated and threadedly connected on one end of the first fixing plate 906 close to the second fixing plate 907. The traction component 9 can tow the objects, and its adaptability to objects of different specifications is better. Therefore, when facing objects of different specifications, its adaptability can be guaranteed, so that there will be no limitations in use; the connection component 10 includes a connecting block 1001 fixedly connected to the bottom of the piston plate 8 and a connecting slot 1002 opened at the center of the top of the traction support plate 901 and corresponding to the position of the connecting block 1001 and matching the specifications. A connecting bolt 1003 for connecting the connecting block 1001 to the connecting slot 1002 is penetrated and threadedly connected at the center of the front side of the traction support plate 901. The connection component 10 can connect the traction component 9 to the piston plate 8 and is convenient for disassembly when needed.

[0026] Workflow: First, all electrical appliances are powered on. The drive motor 3 can provide driving force for the rotor 4, thereby providing a basis for flight. The landing gear 5 can provide support for the take-off and landing of the body 1. The traction chamber 6 can provide a storage space for the traction assembly 9. The small cylinder 7 can adjust the position of the traction assembly 9 by extending and retracting the piston plate 8, so that the traction assembly 9 can be pushed out of the traction chamber 6 by the extension of the small cylinder 7 when it is needed, and can be retracted into the traction chamber 6 for protection when it is not needed, so that it is not easy to be damaged by being exposed to the outside. The traction assembly 9 can tow objects, and has better adaptability to objects of different specifications. Therefore, when facing objects of different specifications, it can ensure its adaptability, so that there will be no limitations in use. When towing objects, first move the two movable splints 903 outward, and the movable splints 903 slide in the movable groove 902 through the movable block 904, and tighten the fastening spring 905. The locking cam 905 is pressed against the locking cam 906 to lock the locking cam 908. The locking cam 906 is pressed against the locking cam 908 to lock the locking cam 908.

[0027] The contents not described in detail in this specification belong to the prior art known to the professional and technical personnel in this field. The standard parts used in this utility model can be purchased from the market, and the special-shaped parts can be customized according to the description and the drawings. The specific connection methods of each part adopt the conventional means such as bolts, rivets, welding, etc. in the prior art. The machinery, parts and equipment all adopt the conventional models in the prior art, and the circuit connection adopts the conventional connection method in the prior art, which will not be described in detail here.

[0028] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the scope and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A traction device for an unmanned aerial vehicle, comprising a body (1), characterized in that: The four corners of the side wall of the machine body (1) are fixedly connected to support arms (2); the top of the support arm (2) away from the machine body (1) is fixedly connected to a drive motor (3), and a rotor (4) is provided on the output end of the drive motor (3); the bottom of the machine body (1) is symmetrical on both sides and fixedly connected to a landing gear (5); a traction cavity (6) is opened at the center of the bottom of the machine body (1); a small cylinder (7) is provided above the traction cavity (6); a piston plate (8) is fixedly connected to the output end of the small cylinder (7), and the piston plate (8) extends into the traction cavity (6); a traction assembly (9) is provided in the inner cavity of the traction cavity (6); and a connecting assembly (10) is provided between the piston plate (8) and the traction assembly (9).

2. A traction device for an unmanned aerial vehicle according to claim 1, characterized in that: The traction assembly (9) comprises a traction support plate (901), movable grooves (902) are symmetrically provided on both sides of the inner cavity of the traction support plate (901), movable clamping plates (903) are symmetrically provided below the traction support plate (901), and rubber cushions are fixedly connected to one side of the opposite surfaces of the two movable clamping plates (903).

3. The traction device for an unmanned aerial vehicle according to claim 2, characterized in that: A movable block (904) is fixedly connected to the top end of the traction support plate (901); the movable block (904) penetrates the bottom wall of the traction support plate (901) and is slidably connected to the inner cavity of the movable groove (902); a fastening spring (905) is provided in the inner cavity of the movable block (904); one end of the fastening spring (905) is fixedly connected to the inner wall of the movable groove (902), and the other end is fixedly connected to the side wall of the movable block (904).

4. The traction device for an unmanned aerial vehicle according to claim 2, characterized in that: The front wall and the rear wall of the two movable clamps (903) are symmetrically and fixedly connected with a first fixing plate (906), and a second fixing plate (907) is provided between the two first fixing plates (906). The inner cavity of the first fixing plate (906) is a hollow structure and the first fixing plate (906) is movably sleeved on the outer side of the second fixing plate (907).

5. The traction device for an unmanned aerial vehicle according to claim 4, characterized in that: The second fixing plate (907) is provided with a plurality of positioning screw holes (908) arranged at equal intervals, and a positioning bolt (909) having a position corresponding to the positioning screw hole (908) and matching the specification is passed through and threadedly connected to one end of the first fixing plate (906) close to the second fixing plate (907).

6. The traction device for an unmanned aerial vehicle according to claim 2, characterized in that: The connection assembly (10) comprises a connection block (1001) fixedly connected to the bottom of the piston plate (8) and a connection slot (1002) opened at the center of the top of the traction support plate (901) and corresponding to the position of the connection block (1001) and having matching specifications; a connection bolt (1003) for connecting the connection block (1001) to the connection slot (1002) passes through the center of the front face of the traction support plate (901) and is threadedly connected.

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