CN116215848A - Elastic shrinkage type shock absorption support for unmanned aerial vehicle - Google Patents

Abstract

The invention belongs to the technical field of shock-absorbing brackets for unmanned aerial vehicles, and in particular relates to an elastic contraction-type shock-absorbing bracket for unmanned aerial vehicles, which includes an unmanned aerial vehicle. The unmanned aerial vehicle includes a fuselage, a pole, several motors, a leaf and elastic contraction damping mechanism; the pole is fixedly installed around the fuselage, several motors are fixedly installed on the outer end of the pole, and the helical leaf is fixedly installed above the motor; the elastic telescopic The shock-absorbing mechanism includes a shock-absorbing bracket and a shock-absorbing chamber; the shock-absorbing chamber is fixedly installed under the fuselage, the shock-absorbing bracket is arranged under the shock-absorbing chamber, and the elastic telescopic shock-absorbing mechanism includes two A telescopic rod, a connecting plate, two sleeves and a spring; the inside of the shock-absorbing cavity is hollow, and this device solves the problem that the current UAV cannot use the spring for shock-absorbing and buffering while automatically reminding the operator to replace the spring And the problem of improving the stability of drone landing.

Description

An elastic shrinkable shock-absorbing bracket for unmanned aerial vehicles

technical field

The invention belongs to the technical field of shock-absorbing brackets for unmanned aerial vehicles, and in particular relates to an elastic contraction-type shock-absorbing bracket for unmanned aerial vehicles.

Background technique

Unmanned aircraft, referred to as "unmanned aerial vehicle", or "UAV" in English, is an unmanned aircraft that is controlled by radio remote control equipment and its own program control device, or is completely or intermittently operated autonomously by an on-board computer. Drones are often better suited for missions that are too "dumb, dirty or dangerous" than manned aircraft.

When using a drone, due to its own weight, a strong reaction force will be generated when the drone lands, which will damage the electronic components in the drone and damage the drone. The man-machine has added the function of landing shock absorption, and at the same time, it can automatically remind the replacement of the shock absorption spring, maintain a good cushioning effect at all times, and improve the stability of landing at the same time. This phenomenon has become a problem to be solved urgently by those skilled in the art.

Contents of the invention

The purpose of the present invention is to provide an elastically shrinkable shock-absorbing bracket for unmanned aerial vehicles, so as to solve the problems raised in the above-mentioned background technology.

In order to solve the above-mentioned technical problems, the present invention provides the following technical solutions: an elastically shrinkable shock-absorbing bracket for unmanned aerial vehicles, including an unmanned aerial vehicle, the unmanned aerial vehicle includes a fuselage, a pole, several motors, a spiral blade, and an elastic Shock-absorbing mechanism;

The poles are fixedly installed around the fuselage, several motors are fixedly installed on the outer ends of the poles, and the spiral leaves are fixedly installed above the motors;

The elastic telescopic shock absorbing mechanism includes a shock absorbing bracket and a shock absorbing cavity;

The shock-absorbing chamber is fixedly installed under the fuselage, and the shock-absorbing bracket is arranged under the shock-absorbing chamber.

The present invention further explains that the elastic telescopic damping mechanism includes two telescopic rods, a connecting plate, two sleeves and a spring;

The interior of the shock absorbing cavity is hollow, and the two telescopic rods are respectively fixedly installed on the left and right sides of the inner wall of the shock absorbing cavity, and the lower ends of the two telescopic rods are fixedly connected with the shock absorbing bracket;

The connecting plate is used to fixedly connect two telescopic rods, one of the sleeves is fixedly installed above the connecting plate, and the other sleeve is fixedly installed above the inner wall of the shock-absorbing cavity, and the two sleeves are vertical alignment;

The spring is arranged in the two sleeves.

The present invention further explains that the elastic telescopic shock absorbing mechanism includes two fixed rods, the outer ends of the two fixed rods are respectively fixed to the telescopic rods, and a coupling is connected between the two fixed rods.

The present invention further explains that a cover is provided on the front side of the shock absorbing cavity, a touch block is fixed below the coupling, a command cavity is fixed at the bottom of the inner wall of the shock absorbing cavity, and a command cavity is fixed above the command cavity. An induction block, an information transmission system is arranged inside the command cavity.

The present invention further explains that an induction module is arranged inside the induction block, and the information transmission system includes a frequency calculation module, an information transmission module, an alarm module, and a program adjustment module;

The sensing module is electrically connected to the times calculation module, the times calculation module is electrically connected to the information transmission module, the information transmission module is electrically connected to the alarm module, the program adjustment module is electrically connected to the information transmission module, The program adjustment module is electrically connected to the motor;

The sensing module is used to judge whether the sensing block is in contact with the touch block, the number calculation module is used to calculate the number of times the sensing block contacts the touch block according to the judgment of the sensing module, and the information transmission module is used to transmit the modified program And alarm information, the alarm module is used to issue an alarm, and the program adjustment module is used to replace the modified program transmitted.

The present invention further illustrates that the information transmission system includes the following operating steps:

Step S1, the drone lands, and the information transmission system runs;

Step S2, the sensing module judges whether the sensing block is in contact with the touch block, and calculates the number of contact times between the sensing block and the touch block through the number calculation module. If the number of times is large, enter step S3, and if the number of times is small, enter step S4;

Step S3, the information transmission module transmits the modified program and the alarm information to the alarm module and the program adjustment module, the alarm module sends out an alarm, and the program adjustment module replaces the original program of the motor according to the transmitted modification program;

Step S4, after the landing of the UAV is completed, the information transmission system stops running.

The present invention further illustrates that in the step S2 and step S3, when _N≥N1 , N is the number of contact times between the sensing block and the touch block, and _N1 is the number of contact times between the sensor block and the touch block set by the system, and the alarm module Reminder to replace the spring, and the program of the motor is replaced at the same time to ensure the stability of the next landing.

Compared with the prior art, the beneficial effects achieved by the present invention are: the elastic contraction type shock-absorbing support for unmanned aerial vehicle adopted in the present invention, when the unmanned aerial vehicle is flying, the motor drives the spiral blade to rotate at high speed, and the spiral blade is driven by the support rod The fuselage rises, and the fuselage drives the shock absorber to rise, so that the shock absorber is far away from the ground. When the drone lands, the shock absorber first contacts the ground, and the kinetic energy generated by the landing causes the shock absorber to be stressed, and the telescopic rod is driven. Force, the telescopic rod shrinks to drive the connecting plate to move upwards, causing the spring in the sleeve to deform under the force, and then the spring generates a reaction force to act on the connecting plate, making the telescopic rod stretch in the opposite direction, driving the shock absorbing bracket to exert a reaction on the ground Force, so as to play a shock absorption effect, and the shock absorption effect is better, prevent the electronic components inside the drone from being damaged by vibration, and improve the service life of the drone. When the drone performs multiple high-intensity landings , as the spring for cushioning and shock absorption, its elasticity decreases. At this time, the alarm module reminds the operator to replace the spring. The operator opens the cover, takes out the spring in the sleeve, and replaces a new spring, so that the cushioning effect can continue to be better. At the same time, the acceleration of the motor deceleration is reduced through the automatic replacement of the program, so as to ensure the stability of the drone when it lands. On the one hand, it can protect the drone, on the other hand, it can improve the service life of the spring and reduce the frequency of replacement.

Description of drawings

The accompanying drawings are used to provide a further understanding of the present invention, and constitute a part of the description, and are used together with the embodiments of the present invention to explain the present invention, and do not constitute a limitation to the present invention. In the attached picture:

Fig. 1 is the overall structural representation of the present invention;

Fig. 2 is a schematic plan view of the unmanned aerial vehicle of the present invention;

Fig. 3 is a schematic plan view of the damping cavity of the present invention;

Fig. 4 is a schematic diagram of the internal structure of the damping chamber of the present invention;

Fig. 5 is a schematic flow chart of the information transmission system of the present invention;

In the figure: 1. Fuselage; 2. Prop; 3. Motor; 4. Spiral leaf; 5. Shock absorbing bracket; 6. Shock absorbing cavity; 7. Telescopic rod; 8. Connecting plate; 9. Sleeve; 10 , spring; 11, fixed rod; 12, coupling; 13, touch block; 14, command cavity; 15, induction block; 16, cover.

Detailed ways

The technical solution of the present invention will be described in further non-limiting detail below in combination with preferred embodiments and accompanying drawings. Apparently, the described embodiments are only some of the embodiments of the present invention, but not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

Please refer to Figures 1-5, the present invention provides a technical solution: an elastic shrinkable shock-absorbing bracket for unmanned aerial vehicles, including an unmanned aerial vehicle. Leaf 4 and elastic contraction damping mechanism;

The pole 2 is fixedly installed around the fuselage 1, several motors 3 are fixedly installed on the outer end of the pole 2, and the spiral blade 4 is fixedly installed above the motor 3;

The elastic telescopic shock absorbing mechanism includes a shock absorbing bracket 5 and a shock absorbing chamber 6;

The shock absorbing chamber 6 is fixedly installed under the fuselage 1, and the shock absorbing bracket 5 is arranged under the shock absorbing chamber 6;

The elastic telescopic damping mechanism includes two telescopic rods 7, a connecting plate 8, two sleeves 9 and a spring 10;

The interior of the shock absorbing chamber 6 is hollow, and two telescopic rods 7 are respectively fixedly installed on the left and right sides of the inner wall of the shock absorbing chamber 6, and the lower ends of the two telescopic rods 7 are fixedly connected with the shock absorbing bracket 5;

The connecting plate 8 is used to fixedly connect the two telescopic rods 7, one of the sleeves 9 is fixedly installed above the connecting plate 8, and the other sleeve 9 is fixedly installed above the inner wall of the shock absorbing chamber 6, and the two sleeves 9 are vertically mounted. align straight;

The spring 10 is arranged in the two sleeves 9;

The operator turns on the UAV, and the UAV flies. The motor 3 drives the helical blade 4 to rotate at a high speed. Far away from the ground, when the drone lands, the shock absorber 5 first contacts the ground, and the kinetic energy generated by the landing causes the shock absorber 5 to be stressed, which drives the telescopic rod 7 to be stressed, and the telescopic rod 7 shrinks to drive the connecting plate 8 to move upward. The spring 10 in the sleeve 9 is deformed by force, and then the spring 10 generates a reaction force to act on the connecting plate 8, so that the telescopic rod 7 is reversely extended, and the shock absorbing bracket 5 is driven to exert a reaction force on the ground, thereby reducing The shock effect is better, and the shock absorption effect is better, preventing the electronic components inside the UAV from being damaged by vibration, and improving the service life of the UAV;

The elastic telescopic damping mechanism includes two fixed rods 11, the outer ends of the two fixed rods 11 are respectively fixed with the telescopic rod 7, and a coupling 12 is connected between the two fixed rods 11;

The front side of the damping chamber 6 is provided with a cover 16, the bottom of the coupling 12 is fixed with a touch block 13, the bottom of the inner wall of the shock absorbing chamber 6 is fixed with a command chamber 14, and an induction block 15 is fixed above the command chamber 14. 14 is provided with an information transmission system inside;

Through the above steps, when the two telescopic rods 7 shrink at the same time, the two fixed rods 11 are driven to rotate around the coupling 12 respectively. Since the fixed rod 11 and the telescopic rod 7 are fixed, the angle change of the fixed rod 11 drives the coupling 12 to Moving down, the coupling 12 drives the touch block 13 to move downward. When the power of the UAV landing is large, the contraction distance of the telescopic rod 7 increases, thereby driving the coupling 12 to move down a long distance until it drives The touch block 13 is in contact with the induction block 15, and the information transmission system in the command cavity 14 is in contact with the induction block 15 through the touch block 13, which is convenient for subsequent reminders to the operator to replace the spring 10, ensuring better shock resistance at all times, and at the same time making the motor 3. When the UAV lands, the speed reduction is more stable, which improves the stability of the landing and further ensures the safety of the UAV landing;

The interior of the induction block 15 is provided with an induction module, and the information transmission system includes a frequency calculation module, an information transmission module, an alarm module, and a program adjustment module;

The sensing module is electrically connected to the frequency calculation module, the frequency calculation module is electrically connected to the information transmission module, the information transmission module is electrically connected to the alarm module, the program adjustment module is electrically connected to the information transmission module, and the program adjustment module is electrically connected to the motor 3 connect;

The sensing module is used to judge whether the sensing block 15 is in contact with the touch block 13, the count calculation module is used to calculate the number of times the sensing block 15 is in contact with the touch block 13 according to the judgment of the sensing module, and the information transmission module is used to transmit modified programs and alarms information, the alarm module is used to issue an alarm, and the program adjustment module is used to replace the modified program transmitted;

The information transmission system includes the following operational steps:

Step S1, the drone lands, and the information transmission system runs;

Step S2, the sensing module judges whether the sensing block 15 is in contact with the touch block 13, and calculates the number of times the sensing block 15 contacts the touch block 13 through the counting module, if the number of times is large, enter step S3, and if the number of times is small, enter step S4;

Step S3, the information transmission module transmits the modified program and the alarm information to the alarm module and the program adjustment module, the alarm module sends out an alarm, and the program adjustment module replaces the original program of the motor 3 according to the transmitted modification program;

Step S4, the drone is landed, and the information transmission system stops running;

In step S2 and step S3, when N≥N ₁ , N is the number of contact times between the sensing block 15 and the touch block 13, N ₁ is the number of contact times between the sensing block 15 and the touch block 13 set by the system, and the alarm module reminds to replace the spring 10. At the same time, the program of motor 3 is replaced to ensure the stability of the next landing;

Through the above steps, after the UAV performs multiple high-intensity landings, the spring 10 as a buffer and shock absorber will have its elasticity reduced. At this time, the alarm module reminds the operator to replace the spring 10, and the operator opens the cover 16. Take out the spring 10 in the barrel 9 and replace it with a new spring 10, so that the buffering effect can be maintained continuously and better, and at the same time, the acceleration of the motor 3 deceleration is reduced through the automatic replacement of the program, so as to ensure the stability of the drone when it lands On the one hand, it can protect the drone, on the other hand, it can improve the service life of the spring 10 and reduce the frequency of replacement.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the terms "upper", "lower", "front", "rear", "left", "right", etc. The orientation or positional relationship is only for the convenience of describing the present invention, but does not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the present invention.

Finally, it should be pointed out that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit them. Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: it can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some of the technical features and these modifications Or replacement, does not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the various embodiments of the present invention.

Claims (7)

1. The utility model provides an elasticity shrink shock absorber support for unmanned aerial vehicle, includes unmanned aerial vehicle, its characterized in that: the unmanned aerial vehicle comprises a body (1), a supporting rod (2), a plurality of motors (3), spiral blades (4) and an elastic contraction type damping mechanism;

the support rods (2) are fixedly arranged on the periphery of the machine body (1), the motors (3) are fixedly arranged at the outer ends of the support rods (2), and the spiral blades (4) are fixedly arranged above the motors (3);

the elastic telescopic damping mechanism comprises a damping bracket (5) and a damping cavity (6);

the damping cavity (6) is fixedly arranged below the machine body (1), and the damping support (5) is arranged below the damping cavity (6).

2. The shock mount for an elastically contractible unmanned aerial vehicle of claim 1, wherein: the elastic telescopic shock absorption mechanism comprises two telescopic rods (7), a connecting plate (8), two sleeves (9) and a spring (10);

the inside of the damping cavity (6) is hollow, two telescopic rods (7) are respectively fixedly arranged at the left side and the right side of the inner wall of the damping cavity (6), and the lower ends of the two telescopic rods (7) are fixedly connected with the damping bracket (5);

the connecting plate (8) is used for fixedly connecting two telescopic rods (7), one sleeve (9) is fixedly arranged above the connecting plate (8), the other sleeve (9) is fixedly arranged above the inner wall of the damping cavity (6), and the two sleeves (9) are vertically aligned;

the springs (10) are arranged in the two sleeves (9).

3. The shock mount for an elastically contractible unmanned aerial vehicle of claim 2, wherein: the elastic telescopic damping mechanism comprises two fixing rods (11), the outer ends of the two fixing rods (11) are respectively fixed with the telescopic rods (7), and a coupler (12) is connected between the two fixing rods (11).

4. A shock mount for an elastically contractible unmanned aerial vehicle as claimed in claim 3, wherein: the front side of shock attenuation chamber (6) is provided with lid (16), the below of coupling (12) is fixed with touching piece (13), the inner wall bottom of shock attenuation chamber (6) is fixed with instruction chamber (14), instruction chamber (14) top is fixed with response piece (15), the inside of instruction chamber (14) is provided with information transmission system.

5. The elastic retractable unmanned aerial vehicle shock mount according to claim 4, wherein: the information transmission system comprises a frequency calculation module, an information transmission module, an alarm module and a program adjustment module;

the sensing module is electrically connected with the frequency calculation module, the frequency calculation module is electrically connected with the information transmission module, the information transmission module is electrically connected with the alarm module, the program adjustment module is electrically connected with the information transmission module, and the program adjustment module is electrically connected with the motor (3);

the sensing module is used for judging whether the sensing block (15) is in contact with the touch block (13), the frequency calculation module is used for calculating the frequency of the contact of the sensing block (15) with the touch block (13) according to the judgment of the sensing module, the information transmission module is used for transmitting a modified program and alarm information, the alarm module is used for giving an alarm, and the program adjustment module is used for replacing the transmitted modified program.

6. The elastic retractable unmanned aerial vehicle shock mount according to claim 5, wherein: the information transmission system comprises the following operation steps:

s1, unmanned aerial vehicle landing, and operating an information transmission system;

step S2, the sensing module judges whether the sensing block (15) is in contact with the touch block (13), the number of times of the contact of the sensing block (15) with the touch block (13) is calculated through the number calculation module, the step S3 is carried out when the number of times is large, and the step S4 is carried out when the number of times is small;

step S3, the information transmission module transmits the modified program and alarm information to the alarm module and the program adjustment module, the alarm module gives an alarm, and the program adjustment module replaces the original program of the motor (3) according to the transmitted modified program;

and S4, stopping the operation of the information transmission system after the unmanned aerial vehicle finishes landing.

7. The elastic retractable unmanned aerial vehicle shock mount according to claim 6, wherein: in the step S2 and the step S3, when N is more than or equal to N ₁ When N is the contact frequency of the sensing block (15) and the touch block (13), N ₁ The sensing block (15) and the touch block (13) set for the system are contacted for times, the alarm module reminds of replacing the spring (10), and meanwhile, the program of the motor (3) is replaced, so that the next falling stability is guaranteed.

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