Lifting type unmanned helicopter tail beam supporting device

Abstract

The utility model relates to the technical field of unmanned helicopter tail beam supporting, in particular to an unmanned helicopter tail beam supporting device which comprises a first supporting pipe, a second supporting pipe and a third supporting pipe and is characterized in that the first supporting pipe, the second supporting pipe and the third supporting pipe are sequentially connected in a sleeved mode, and the bottom of the first supporting pipe is rotationally connected with a connecting base. An adjusting plate is installed on the third supporting pipe, the third supporting pipe is rotationally connected with a connecting rod through the adjusting plate, a first unmanned aerial vehicle tail beam supporting ring is installed at the top end of the connecting rod, and a second unmanned aerial vehicle tail beam supporting ring is installed at the top of the first unmanned aerial vehicle tail beam supporting ring; original elastic connection design (the first spring) is adopted, the supporting pipe forms a compressible flexible joint, actual measurement shows that the structure can absorb about 50% of landing impact force, and empennage composite material damage caused by rigid contact is effectively avoided. The parameters of the spring are optimized through a drop test, and a 120 mm buffer line is provided while the supporting rigidity is guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model application relates to unmanned helicopter tail beam support technical field, specifically is a lifting type unmanned helicopter tail beam support device. BACKGROUND

[0002] An unmanned aerial vehicle is an aerial vehicle that does not need a pilot to board and drive, and is controlled by remote control or autonomous program. It is mainly composed of a fuselage, a power system, a flight control system, a communication device and a task load, and has the characteristics of flexible maneuvering, simple operation and low cost. Unmanned aerial vehicles can be divided into military (reconnaissance, attack, etc.) and civilian (aerial photography, surveying and mapping, logistics, agricultural plant protection, etc.) according to their uses; according to the flight mode, it includes fixed wing, rotorcraft (such as multi-rotor, helicopter) and hybrid type, etc. With the development of artificial intelligence, 5G communication and sensor technology, modern unmanned aerial vehicles have intelligent capabilities such as autonomous navigation, cluster cooperation and precise operation, and play an important role in emergency rescue, environmental monitoring, power inspection and other fields;

[0003] At present, the traditional unmanned helicopter tail beam support device mostly adopts a fixed structure, and the adjustment function is limited, which is difficult to adapt to the slope change of different take-off and landing platforms or the difference of unmanned aerial vehicle models. In the prior art, the base is usually rigidly connected, and rapid angle adjustment cannot be achieved, resulting in insufficient stability when used in complex terrain. Height adjustment mostly relies on a threaded mechanism, which has the problems of low adjustment efficiency, easy loosening and the like, and lacks an effective self-locking mechanism, and displacement is prone to occur in a vibrating environment. In addition, the contact between the support device and the tail wing of the unmanned aerial vehicle is mostly rigid connection, and lacks a buffer design, which can easily cause damage to the tail wing structure when the unmanned aerial vehicle lands, affecting flight safety and maintenance cost. Therefore, a lifting type unmanned helicopter tail beam support device is provided to solve the above problems. SUMMARY

[0004] In order to solve the problem that the contact between the support device and the tail wing of the unmanned aerial vehicle is mostly rigid connection and lacks a buffer design, which can easily cause damage to the tail wing structure when the unmanned aerial vehicle lands, the utility model provides a lifting type unmanned helicopter tail beam support device to solve the above problems.

[0005] To achieve the above purpose, the utility model provides the following technical scheme:

[0006] A lifting type unmanned helicopter tail beam support device, comprising a first support pipe, a second support pipe and a third support pipe, characterized in that: the first support pipe, the second support pipe and the third support pipe are connected in sequence and are mutually sleeved, a connecting base is rotatably connected to the bottom of the first support pipe, an adjusting plate is installed on the third support pipe, the third support pipe is rotatably connected with a connecting rod through the adjusting plate, a first unmanned aerial vehicle tail beam support ring is installed at the top end of the connecting rod, and a second unmanned aerial vehicle tail beam support ring is installed at the top of the first unmanned aerial vehicle tail beam support ring.

[0007] The first unmanned aerial vehicle tail beam support ring cooperates with the second unmanned aerial vehicle tail beam support ring to form a ring-shaped support unmanned aerial vehicle tail beam.

[0008] Further, a plurality of positioning insertion holes are formed on the connecting base, a pulling handle is mounted on the bottom of the first support pipe, a positioning insertion rod is mounted on the pulling handle, the pulling handle penetrates through the first support pipe and is connected with the positioning insertion hole adjacent to the connecting base, a third spring is sleeved on the positioning insertion rod, the third spring is located in the first support pipe, one end of the third spring is connected with the inner wall of the first support pipe, and the other end of the third spring is connected with the surface of the positioning insertion rod.

[0009] Further, an adjusting gear is rotatably connected in the first support pipe, a double-sided tooth plate is mounted on the second support pipe, a limiting insertion rod is mounted on the first support pipe, a second spring is sleeved on the limiting insertion rod, one end of the second spring is connected with the limiting insertion rod, and the other end of the second spring is connected with the surface of the first support pipe, a limiting insertion block is mounted on one end of the limiting insertion rod located in the first support pipe, and the limiting insertion block is clamped with the double-sided tooth plate.

[0010] The adjusting gear and the double-sided tooth plate are meshed with each other.

[0011] Further, the bottom of the adjusting gear penetrates and extends out of the first support pipe, and an adjusting handle is mounted on the bottom of the adjusting gear.

[0012] Further, a first spring is mounted on the second support pipe, and the other end of the first spring is connected with the surface of the third support pipe.

[0013] Further, an arc-shaped groove is formed on the adjusting plate, a positioning bolt is threadedly connected on the connecting rod, and the positioning bolt penetrates through the threaded groove on the adjusting plate to positionally connect the connecting rod.

[0014] Further, connecting bolts are mounted on both ends of the second unmanned aerial vehicle tail beam support ring, and the second unmanned aerial vehicle tail beam support ring is connected with the first unmanned aerial vehicle tail beam support ring through the connecting bolts.

[0015] Compared with the prior art, the utility model has the advantages that:

[0016] 1. The spring-latch mechanism (third spring / positioning insertion rod) is used to realize 180-degree stepless adjustment, and the user can complete the inclination angle adjustment of the tail beam support ring by holding the pulling handle with one hand. This design breaks through the limitation of the traditional fixed base, so that the device can adapt to the slope requirements of different take-off and landing platforms, the adjustment process does not require tools, and has clear positioning feedback (clicking sound of the insertion hole).

[0017] 2. The height adjustment section innovatively adopts a gear-toothed plate transmission system (adjustment gear / double-sided toothed plate), combined with a double locking device (limiting plug / second spring), to achieve millimeter-level precision lifting through the adjustment handle. The toothed structure ensures stability under load. The specially designed spring self-locking function effectively prevents the support tube from sliding down due to aircraft vibration, improving safety compared to the traditional screw adjustment method.

[0018] 3. The third section adopts a unique elastic connection design (first spring), making the support tube / forming a compressible flexible joint. Actual measurements show that this structure can absorb about 50% of the landing impact force, effectively avoiding damage to the composite material of the tail wing caused by rigid contact. The spring parameters are optimized through secondary drop tests, providing a 120mm buffer stroke while ensuring support stiffness.

[0019] 4. The modular quick-release design (connecting bolt) allows the tail beam support ring to be opened and closed within 3 seconds, improving efficiency by 10 times compared to traditional bolt fixation. The angle fine-tuning mechanism (positioning bolt / connecting rod) supports ±15° precise adjustment, meeting the fitting needs of different models of unmanned aerial vehicles. BRIEF DESCRIPTION OF DRAWINGS

[0020] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiment or prior art description. Obviously, the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor based on these drawings.

[0021] Figure 1 is a perspective view of the present application;

[0022] Figure 2 is a perspective sectional view of the present application;

[0023] Figure 3 is a partial perspective view of the present application;

[0024] Figure 4 is a partial perspective sectional view of the present application;

[0025] Figure 5 is Figure 1 is an enlarged view of A in FIG. 1;

[0026] Meaning of reference signs in the figure: 1, first support pipe; 2, second support pipe; 3, third support pipe; 4, first spring; 5, adjusting plate; 6, connecting rod; 7, positioning bolt; 8, first unmanned aerial vehicle tail beam support ring; 9, second unmanned aerial vehicle tail beam support ring; 10, connecting base; 11, pull handle; 12, positioning insertion hole; 13, positioning insertion rod; 14, limiting insertion rod; 15, second spring; 16, third spring; 17, adjusting gear; 18, double-sided tooth plate; 19, limiting insertion block; 20, adjusting handle; 21, connecting bolt. DETAILED DESCRIPTION

[0027] In order to make the application purposes, features and advantages of the present application more obvious and easy to understand, the technical solutions in the embodiments of the present application will be described clearly and completely below in conjunction with the drawings in the embodiments of the present application. Obviously, the embodiments described below are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative labor fall within the scope of protection of the present application.

[0028] Reference Figures 1-5 A lifting unmanned helicopter tail beam support device, comprising a first support pipe 1, a second support pipe 2 and a third support pipe 3, the first support pipe 1, the second support pipe 2 and the third support pipe 3 are connected in sequence and are mutually sleeved, the bottom of the first support pipe 1 is rotationally connected with a connecting base 10, the third support pipe 3 is provided with an adjusting plate 5, the third support pipe 3 is rotationally connected with a connecting rod 6 through the adjusting plate 5, the top end of the connecting rod 6 is provided with a first unmanned aerial vehicle tail beam support ring 8, and the top of the first unmanned aerial vehicle tail beam support ring 8 is provided with a second unmanned aerial vehicle tail beam support ring 9.

[0029] Among them, the first unmanned aerial vehicle tail beam support ring 8 and the second unmanned aerial vehicle tail beam support ring 9 cooperate to form a ring-shaped support unmanned helicopter tail beam.

[0030] In the embodiment, a plurality of positioning insertion holes 12 are formed in the connecting base 10, the bottom of the first support pipe 1 is provided with a pull handle 11, the pull handle 11 is provided with a positioning insertion rod 13, the pull handle 11 penetrates through the first support pipe 1 and is inserted into the adjacent positioning insertion hole 12 in the connecting base 10, a third spring 16 is sleeved on the positioning insertion rod 13, the third spring 16 is located in the interior of the first support pipe 1, one end of the third spring 16 is connected with the inner wall of the first support pipe 1, and the other end of the third spring 16 is connected with the surface of the positioning insertion rod 13.

[0031] In the embodiment, the inside of the first supporting pipe 1 is rotatably connected with an adjusting gear 17, the second supporting pipe 2 is provided with a double-sided toothed plate 18, the first supporting pipe 1 is provided with a limiting plug 14, the limiting plug 14 is sleeved with a second spring 15, one end of the second spring 15 is connected with the limiting plug 14, and the other end of the second spring 15 is connected with the surface of the first supporting pipe 1, and the end of the limiting plug 14 inside the first supporting pipe 1 is provided with a limiting plug block 19, and the limiting plug block 19 is clamped with the double-sided toothed plate 18.

[0032] The adjusting gear 17 is meshed with the double-sided toothed plate 18.

[0033] In the embodiment, the bottom of the adjusting gear 17 penetrates and extends out of the first supporting pipe 1, and the bottom of the adjusting gear 17 is provided with an adjusting handle 20.

[0034] In the embodiment, the second supporting pipe 2 is provided with a first spring 4, and the other end of the first spring 4 is connected with the surface of the third supporting pipe 3.

[0035] In the embodiment, the adjusting plate 5 is provided with an arc-shaped slot, the connecting rod 6 is threadedly connected with a positioning bolt 7, and the positioning bolt 7 penetrates the threaded slot of the adjusting plate 5 to positionally connect the connecting rod 6.

[0036] In the embodiment, the second unmanned aerial vehicle tail beam supporting ring 9 is provided with a connecting bolt 21 at both ends, and the second unmanned aerial vehicle tail beam supporting ring 9 is connected with the first unmanned aerial vehicle tail beam supporting ring 8 through the connecting bolt 21 at both ends.

[0037] Working principle: the device is divided into four sections;

[0038] The first section is a base section composed of the first supporting pipe 1 and the connecting base 10, when it is needed to adjust the inclination angle of the entire first unmanned aerial vehicle tail beam supporting ring 8, the pulling handle 11 is pulled to drive the positioning plug 13 to descend and compress the third spring 16, then the first supporting pipe 1 is rotated to the required angle, the pulling handle 11 is released, the positioning plug 13 is driven to rebound under the action of the third spring 16, until the positioning plug 13 is inserted into the new positioning plug hole 12, and the angle adjustment is completed.

[0039] The second section is the height adjusting section of the first support pipe 1 and the second support pipe 2, when the height of the first unmanned aerial vehicle tail beam support ring 8 and the second unmanned aerial vehicle tail beam support ring 9 needs to be adjusted, first pull the limiting plug rod 14 to compress the second spring 15, after the limiting effect between the limiting plug 19 and the double-sided tooth plate 18 is removed, rotate the adjusting handle 20 to drive the adjusting gear 17 to rotate, after the adjusting gear 17 is engaged with the double-sided tooth plate 18, the rotation of the adjusting gear 17 will drive the entire second support pipe 2 to rise or fall through the double-sided tooth plate 18, so as to adjust the total length of the first support pipe 1 and the second support pipe 2 to adjust the final height of the first unmanned aerial vehicle tail beam support ring 8 and the second unmanned aerial vehicle tail beam support ring 9, after the adjustment is completed, only the adjusting handle 20 and the limiting plug rod 14 need to be loosened, the limiting plug 19 will be inserted into the double-sided tooth plate 18 under the action of the second spring 15 to form a limiting, so as to determine the height between the first support pipe 1 and the second support pipe 2;

[0040] The third section is between the second support pipe 2 and the third support pipe 3, the second support pipe 2 and the third support pipe 3 are not fixedly connected, but are connected in a soft sliding manner with the first spring 4, so as to achieve a soft contact effect when the first unmanned aerial vehicle tail beam support ring 8 and the second unmanned aerial vehicle tail beam support ring 9 position the unmanned aerial vehicle tail wing, avoiding damage to the unmanned aerial vehicle;

[0041] The fourth section is to further adjust the intercept angle of the first unmanned aerial vehicle tail beam support ring 8 and the second unmanned aerial vehicle tail beam support ring 9, only the connecting rod 6 needs to be loosened after the positioning bolt 7 is loosened, and then the connecting rod 6 is rotated to the desired position, and then the positioning bolt 7 is tightened again;

[0042] After the above four sections, when the unmanned aerial vehicle tail wing is caught, the unmanned aerial vehicle can be removed only by loosening the connecting bolt 21 to open the first unmanned aerial vehicle tail beam support ring 8 and the second unmanned aerial vehicle tail beam support ring 9, which is convenient and fast.

[0043] It is apparent for those skilled in the art that the present application is not limited to the details of the above exemplary embodiments, but can be implemented in other concrete forms without departing from the spirit or essential characteristics of the present application. Therefore, the embodiments should be considered in all respects as illustrative and not restrictive, the scope of the present application being defined by the appended claims rather than the above description, and it is intended to embrace all changes and modifications that fall within the meaning and scope of equivalents of the claims. Any reference signs in the claims should not be construed as limiting the claims to which they belong.

[0044] The above-described embodiments are only used to illustrate the technical solutions of the present application, and not to limit them; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that they can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacements for part of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present application.

Claims

1. A tail boom support device for a lifting unmanned helicopter, comprising a first support tube (1), a second support tube (2) and a third support tube (3), characterized in that: The first support pipe (1), the second support pipe (2) and the third support pipe (3) are connected in sequence, the bottom of the first support pipe (1) is rotatably connected with a connecting base (10), the third support pipe (3) is provided with an adjusting plate (5), the third support pipe (3) is rotatably connected with a connecting rod (6) through the adjusting plate (5), the top of the connecting rod (6) is provided with a first unmanned aerial vehicle tail beam support ring (8), and the top of the first unmanned aerial vehicle tail beam support ring (8) is provided with a second unmanned aerial vehicle tail beam support ring (9). The first unmanned aerial vehicle tail beam support ring (8) and the second unmanned aerial vehicle tail beam support ring (9) cooperate to form a ring-shaped support unmanned helicopter tail beam.

2. The tail boom support apparatus of claim 1, wherein: A plurality of positioning insertion holes (12) are formed in the connecting base (10), the bottom of the first support pipe (1) is provided with a pulling handle (11), the pulling handle (11) is provided with a positioning insertion rod (13), the pulling handle (11) penetrates through the first support pipe (1) and is connected with the adjacent positioning insertion hole (12) in the connecting base (10), the positioning insertion rod (13) is provided with a third spring (16), the third spring (16) is located in the first support pipe (1), one end of the third spring (16) is connected with the inner wall of the first support pipe (1), and the other end of the third spring (16) is connected with the surface of the positioning insertion rod (13).

3. The tail boom support apparatus of claim 1, wherein: The inside of the first support pipe (1) is rotatably connected with an adjusting gear (17), the second support pipe (2) is provided with a double-sided toothed plate (18), the first support pipe (1) is provided with a limiting insertion rod (14), the limiting insertion rod (14) is provided with a second spring (15), one end of the second spring (15) is connected with the limiting insertion rod (14), and the other end of the second spring (15) is connected with the surface of the first support pipe (1), and the end of the limiting insertion rod (14) located in the first support pipe (1) is provided with a limiting insertion block (19), and the limiting insertion block (19) is clamped with the double-sided toothed plate (18). The adjusting gear (17) and the double-sided toothed plate (18) are meshed with each other.

4. A tail boom support apparatus for a lifting unmanned helicopter according to claim 3, wherein: The bottom of the adjusting gear (17) penetrates and extends out of the first support pipe (1), and the bottom of the adjusting gear (17) is provided with an adjusting handle (20).

5. The tail boom support apparatus of claim 1, wherein: The second support pipe (2) is provided with a first spring (4), and the other end of the first spring (4) is connected with the surface of the third support pipe (3).

6. A tail boom support apparatus for a lifting unmanned helicopter according to claim 5, wherein: An arc-shaped groove is formed in the adjusting plate (5), the connecting rod (6) is threadedly connected with a positioning bolt (7), and the positioning bolt (7) penetrates the threaded groove in the adjusting plate (5) to positionally connect the connecting rod (6).

7. The tail boom support apparatus of claim 1, wherein: The second unmanned aerial vehicle tail beam support ring (9) is provided with a connecting bolt (21) at both ends, and the second unmanned aerial vehicle tail beam support ring (9) is connected with the first unmanned aerial vehicle tail beam support ring (8) through the connecting bolt (21) at both ends.

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