Flexible damping mounting device

The flexible damping system for UAVs addresses the instability of medical cargo transport by reducing vibrations and enhancing stability, ensuring safe and comfortable patient transport.

CN223101003UActive Publication Date: 2025-07-15ZHONGBING UAV RES INST CO LTD
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Patent Information

Application Number
CN202422453607.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-11
Publication Date
2025-07-15
Estimated Expiration
2034-10-11

AI Technical Summary

Technical Problem

When the existing unmanned helicopters have long ropes hanging on the medical cabin, the vibration is high, the injured are uncomfortable, and the unmanned helicopter's center of gravity changes greatly, which increases flight risk and lacks suitable transport functions for the wounded.

Method used

The flexible vibration-absorbing mounting device is adopted, and the medical cabin is mounted between the unmanned helicopter and the landing gear using flexible vibration-absorbing ropes and connecting parts. Vibration is reduced through flexible connections, increasing stability and comfort.

Benefits of technology

Effectively reduce the vibration level of the medical cabin, improve the comfort of transporting injured people, reduce the impact on the steering characteristics of the unmanned helicopter, and increase flight reliability and stability.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to a flexible vibration reduction mounting device, belongs to the technical field of unmanned helicopters, and solves the technical problems that when a medical cabin is hung by the unmanned helicopter through an existing flexible rope, the swing amplitude of the medical cabin is large, wounded persons feel uncomfortable, the gravity center change of the unmanned helicopter is large, and the flight safety is reduced. The utility model comprises a fixed cross beam, two ends of which are provided with first connecting parts comprising a first connecting piece and a second connecting piece; the first connecting piece is connected to an undercarriage of the unmanned helicopter; the fuselage cross beam is fixed to the lower part of the unmanned helicopter fuselage; second connecting parts are arranged at two ends of the body cross beam; one end of the flexible damping rope is fixedly connected to the second connecting piece, and the other end of the flexible damping rope is fixedly connected to the second connecting part. The medical cabin is hung between the unmanned helicopter and the undercarriage, so that the vibration level of the medical cabin is effectively reduced, the comfort of transporting wounded personnel is improved, and the flight safety is ensured.
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Description

Technical Field

[0001] The utility model relates to the fields of aviation technology and medical rescue, and particularly relates to a flexible vibration damping mounting device. Background Art

[0002] In the existing field of aviation medical rescue, manned helicopters are mainly used. Manned helicopters have a spacious cabin where the wounded can lie flat and medical personnel can accompany them for emergency medical assistance.

[0003] With the rapid development of unmanned helicopters, it is necessary to build an unmanned intelligent medical rescue support system. Existing unmanned helicopters are mainly used for reconnaissance, material transportation, and communication relay, lacking the corresponding function of transporting the wounded. When an unmanned helicopter conducts material transportation, it mainly uses a long rope for hanging, and the rope length is 15 - 30m. When the existing long rope hanging mechanism of an unmanned helicopter mounts a medical cabin, the vibration is high, the wounded feel uncomfortable, and the center of gravity change range of the unmanned helicopter is relatively large, increasing the flight risk of the unmanned helicopter. It is not suitable for transporting the wounded and a corresponding mounting device needs to be set up to solve the problem of mounting the medical cabin of the unmanned helicopter. Summary of the Utility Model

[0004] In view of the above analysis, an embodiment of the utility model aims to provide a flexible vibration damping mounting device, which uses a flexible vibration damping rope, a first connecting part, and a second connecting part to mount the medical cabin between the unmanned helicopter and the landing gear, effectively reducing the vibration level of the medical cabin, increasing the comfort of transporting the wounded, reducing the influence on the handling and stability characteristics of the unmanned helicopter when the medical cabin is hung by a conventional rope, and increasing the reliability and stability of the unmanned helicopter when flying with the medical cabin mounted.

[0005] The purpose of the utility model is mainly achieved through the following technical solutions:

[0006] A flexible vibration damping mounting device, which includes a fixed cross beam, and first connecting parts are arranged at both ends of the fixed cross beam. The first connecting part includes a first connecting piece and a second connecting piece; the first connecting piece is connected to the landing gear of the unmanned helicopter;

[0007] A fuselage cross beam, which is fixed to the lower part of the unmanned helicopter fuselage; the fuselage cross beam includes second connecting parts arranged at both ends of it;

[0008] A flexible vibration damping rope, one end of which is fixedly connected to the second connecting piece; the other end of the flexible vibration damping rope is fixedly connected to the second connecting part.

[0009] Furthermore, it further includes a flexible connecting rope, one end of which is connected to the first connecting piece, and the other end of the flexible connecting rope is connected to the landing gear.

[0010] Further, it further includes a connecting angle plate which is fixed on the landing gear; a connecting hole is formed in the connecting angle plate.

[0011] Further, the number of the connecting angle plates is two, and the two connecting angle plates are located at two ends of the bow-shaped steel of the landing gear.

[0012] Further, the other end of the flexible connecting rope passes through the two connecting holes, and the other end of the flexible connecting rope is fixedly connected to one end of the flexible connecting rope.

[0013] Further, both the first connecting member and the second connecting member are hook structures.

[0014] Further, it further includes a fuselage longitudinal beam which is located at the lower part of the unmanned helicopter fuselage; the fuselage cross beam is fixed to the fuselage longitudinal beam.

[0015] Further, the second connecting portion includes:

[0016] a third connecting member which is arranged on the fuselage cross beam;

[0017] a fourth connecting member which is arranged opposite to the third connecting member, and the fourth connecting member is tightly connected to the third connecting member; an assembly hole is formed in the fourth connecting member, and the assembly hole is located on the end face of the fourth connecting member far away from the third connecting member.

[0018] Further, a first safety hook is arranged at one end of the flexible damping rope, and a second safety hook for connecting to the assembly hole is arranged at the other end of the flexible damping rope.

[0019] Further, the first safety hook is connected to the second connecting member.

[0020] Compared with the prior art, the utility model can at least achieve one of the following beneficial effects:

[0021] (1) For the flexible damping mounting device of the utility model, by using the flexible damping rope, the first connecting portion and the second connecting portion, the medical cabin is mounted on the unmanned helicopter. The medical cabin is located between the unmanned helicopter and the landing gear. The flexible damping rope mounts the medical cabin, which can reduce the vibration transmission from the unmanned helicopter to the medical cabin, lower the vibration level in the medical cabin, increase the comfort of transporting the wounded, and at the same time, reduce the vibration of the medical equipment in the medical cabin and extend the service life of the medical cabin.

[0022] (2) The flexible damping mounting device of the utility model has a simple structure. The installation and disassembly between the two ends of the flexible damping rope and the unmanned helicopter and the medical cabin are simple, realizing the simple, rapid and safe mounting, installation and disassembly of the medical cabin.

[0023] (3) The flexible vibration damping mounting device of the present utility model is located on the side of the medical cabin. The medical cabin and the landing gear are fixedly connected through a flexible connecting rope, further restricting the front-back, left-right swinging of the medical cabin, and increasing the handling and stability characteristics when the unmanned helicopter mounts the medical cabin for flight.

[0024] In the present utility model, the above technical solutions can also be combined with each other to achieve more preferred combined solutions. Other features and advantages of the present utility model will be described in the following content. Moreover, some advantages can be made obvious from the description or understood by implementing the present utility model. The objectives and other advantages of the present utility model can be achieved and obtained through the content specifically pointed out in the text and the drawings. Description of the Drawings

[0025] The drawings are only for the purpose of showing specific embodiments and are not considered as a limitation to the present utility model. Throughout the drawings, the same reference signs represent the same components.

[0026] Figure 1 Structural schematic diagram of the flexible vibration damping mounting device for a specific embodiment;

[0027] Figure 2 For Figure 1 Partial enlarged structural schematic diagram of structure B in

[0028] Figure 3 For Figure 1 Partial enlarged structural schematic diagram of structure A in

[0029] Figure 4 Structural schematic diagram of the first safety hook or the second safety hook for a specific embodiment.

[0030] Reference Signs:

[0031] 1 - Medical cabin; 2 - Fixed crossbeam; 21 - First connection part; 211 - First connecting piece; 212 - Second connecting piece; 3 - Body crossbeam; 31 - Second connection part; 311 - Third connecting piece; 312 - Fourth connecting piece; 3121 - Assembly hole; 4 - Flexible vibration damping rope; 41 - First safety hook; 42 - Second safety hook; 5 - Flexible connecting rope; 6 - Connecting angle plate; 61 - Connecting hole; 7 - Body longitudinal beam; 8 - Landing gear. Detailed Description of the Embodiment

[0032] The following will specifically describe the preferred embodiments of the present utility model with reference to the drawings. The drawings form a part of the present utility model and are used together with the embodiments of the present utility model to explain the principle of the present utility model, rather than to limit the scope of the present utility model.

[0033] A specific embodiment of the present utility model, as shown in Figure 1As shown, a flexible vibration damping mounting device is disclosed, which includes a fixed cross beam 2, a fuselage cross beam 3, and a flexible vibration damping rope 4.

[0034] The fixed cross beam 2 is arranged at the lower part of the medical cabin 1; the fixed cross beam 2 includes first connection parts 21 arranged at both ends thereof, and the first connection parts 21 include a first connector 211 and a second connector 212; the first connector 211 is connected to the landing gear 8 of the unmanned helicopter; multiple fixed cross beams 2 can be arranged, and 2, 3, or 4 fixed cross beams 2 can be arranged. The fixed cross beam 2 is fixed to the lower end face of the medical cabin 1, and the fixed cross beam 2 includes but is not limited to a cross beam structure, and can also be a frame body including the first connection part 21.

[0035] The fuselage cross beam 3 is fixed to the lower part of the unmanned helicopter fuselage; the fuselage cross beam 3 includes second connection parts 31 arranged at both ends thereof.

[0036] One end of the flexible vibration damping rope 4 is fixedly connected to the second connector 212; the other end of the flexible vibration damping rope 4 is fixedly connected to the second connection part 31.

[0037] In the flexible vibration damping mounting device described in the embodiment, a first connection part is arranged on the fixed cross beam, a second connection part is arranged on the fuselage cross beam, and the first connection part and the second connection part are fixedly connected by using a flexible vibration damping rope, so as to mount the medical cabin to the unmanned helicopter. The medical cabin is located between the unmanned helicopter and the landing gear, realizing the flexible vibration damping rope to mount the medical cabin, reducing the vibration transmission of the unmanned helicopter to the medical cabin, lowering the vibration level in the medical cabin, increasing the comfort of transporting the wounded, solving both the problems of insecurity caused by the long rope hanging the medical cabin and the insecurity of transporting the wounded in the prior art, and also reducing the vibration of the medical equipment in the medical cabin and prolonging the service life of the medical cabin.

[0038] In the embodiment, both ends of the flexible vibration damping rope 4 are respectively fixedly connected to the fixed cross beam 2 at the lower part of the medical cabin 1 and the fuselage cross beam 3 fixed to the lower part of the unmanned helicopter fuselage, so as to mount the medical cabin 1 between the unmanned helicopter and the landing gear 8, effectively reducing the vibration level of the medical cabin 1 and increasing the comfort of transporting the wounded.

[0039] In the embodiment, a fuselage longitudinal beam 7 is further included, which is arranged at the lower part of the unmanned helicopter fuselage; the fuselage longitudinal beam 7 is a thin-walled circular tube structure and is welded to the unmanned helicopter fuselage;

[0040] The fuselage cross beam 3 is a thin-walled circular tube structure, and the middle part of the fuselage cross beam 3 is welded to the fuselage longitudinal beam 7.

[0041] As Figure 2 shown, a flexible connection rope 5 and a connection angle plate 6 are further included;

[0042] The number of the connecting angle plates 6 is two, and the two connecting angle plates 6 are located on the left and right sides of the bow-shaped steel of the landing gear 8; a connecting hole 61 is formed in the connecting angle plate 6; the connecting angle plate 6 is a triangular plate, and the connecting angle plate 6 is welded to the landing gear 8 for fixing the flexible connecting rope 5;

[0043] The flexible connecting rope 5 has one end connected to the first connecting member 211 and the other end connected to the landing gear 8; one end of the flexible connecting rope 5 passes through the first connecting member 211. In the direction from one end of the flexible connecting rope 5 to the other end, the other end of the flexible connecting rope 5 passes through a connecting hole 61, bypasses the bow-shaped steel, and in the direction from the other end of the flexible connecting rope 5 to one end, passes through the other connecting hole 61, and the other end of the flexible connecting rope 5 is fixedly connected to one end of the flexible connecting rope 5. One end of the flexible connecting rope 5 is connected to the first connecting member 211 of the fixed cross beam 2, and the other end is connected to the landing gear 8.

[0044] The flexible connecting rope 5 fixes the medical cabin 1 to the landing gear 8 from the side of the medical cabin 1, further restricts the front-back, left-right swing of the medical cabin 1, improves the reliability and stability of the unmanned helicopter for hoisting the medical cabin 1, and improves the comfort of transporting the wounded in the medical cabin 1.

[0045] In the embodiment, both the first connecting member 211 and the second connecting member 212 are hook structures. This facilitates the connection of the first safety hook 41 and the flexible connecting rope 5.

[0046] As Figure 3 shown, the second connecting portion 31 includes:

[0047] A third connecting member 311, which is arranged on the fuselage cross beam 3;

[0048] A fourth connecting member 312, which is oppositely arranged to the third connecting member 311, and the fourth connecting member 312 is firmly connected to the third connecting member 311; an assembly hole 3121 is formed in the fourth connecting member 312, and the assembly hole 3121 is located on the end face of the fourth connecting member 312 away from the third connecting member 311.

[0049] Both the third connecting member 311 and the fourth connecting member 312 are disc-shaped structures. The third connecting member 311 is welded and fixed to the fuselage cross beam 3; the fourth connecting member 312 is fastened to the third connecting member 311 by bolts. The assembly hole 3121 formed in the fourth connecting member 312 is used for connecting the flexible damping rope 4.

[0050] Wherein, one end of the flexible damping rope 4 is provided with a first safety hook 41, and the other end of the flexible damping rope 4 is provided with a second safety hook 42. The first safety hook 41 is connected to the second connecting member 212, and the second safety hook 42 is connected to the assembly hole 3121. The first safety hook 41 and the second safety hook 42 can use the same or different safety hooks according to actual usage needs. In the embodiment, as Figure 4 shown, the first safety hook 41 and the second safety hook 42 have the same structure, an oval structure. The first safety hook 41 and the second safety hook 42 are composed of a buckle body, a buckle tongue and a spring. The first safety hook 41 and the second safety hook 42 are used to achieve the quick and safe connection and disassembly of the flexible damping rope 4.

[0051] In the embodiment, both the first connecting member 211 and the second connecting member 212 are hook structures. The flexible damping rope 4 is connected to the second connecting member 212 through the second safety hook 41, and the flexible damping rope 4 is connected to the assembly hole through the first safety hook 42. The structure is simple, facilitating the quick installation and disassembly of the first connecting portion and the second connecting portion of the flexible damping rope 4.

[0052] In the embodiment, the fixed cross beam 2 is a rectangular steel.

[0053] The above is only a preferred specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto. Any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope disclosed by the present invention should be covered by the protection scope of the present invention.

Claims

1. A flexible vibration damping mounting device, characterized in that, Comprising: A fixed crossbeam (2), the fixed crossbeam (2) includes first connection parts (21) arranged at both ends thereof, and the first connection parts (21) include a first connecting piece (211) and a second connecting piece (212); the first connecting piece (211) is connected to the landing gear (8) of the unmanned helicopter; A fuselage crossbeam (3), which is fixed to the lower part of the unmanned helicopter fuselage; the fuselage crossbeam (3) includes second connection parts (31) arranged at both ends thereof; A flexible damping rope (4), one end of which is fixedly connected to the second connecting piece (212); the other end of the flexible damping rope (4) is fixedly connected to the second connection part (31).

2. The flexible vibration damping mounting device according to claim 1, wherein It further includes a flexible connecting rope (5), one end of which is connected to the first connecting piece (211), and the other end of the flexible connecting rope (5) is connected to the landing gear (8).

3. The flexible vibration damping mounting device according to claim 2, characterized in that, It further includes a connecting angle plate (6), which is fixed on the landing gear (8); a connecting hole (61) is provided on the connecting angle plate (6).

4. The flexible vibration damping mounting device according to claim 3, characterized in that, The number of the connecting angle plates (6) is 2, and the two connecting angle plates (6) are located on the left and right sides of the bow-shaped steel of the landing gear (8).

5. The flexible vibration damping mounting device according to claim 4, characterized in that, The other end of the flexible connecting rope (5) passes through the two connecting holes (61) and is fixedly connected to one end of the flexible connecting rope (5).

6. The flexible vibration damping mounting device according to claim 1, characterized in that Both the first connecting piece (211) and the second connecting piece (212) are hook structures.

7. The flexible vibration damping mounting device according to claim 1, wherein It further includes a fuselage longitudinal beam (7), which is to the lower part of the unmanned helicopter fuselage; The fuselage crossbeam (3) is fixed to the fuselage longitudinal beam (7).

8. The flexible vibration damping mounting device according to claim 1, characterized in that, The second connection part (31) includes: A third connecting piece (311), which is arranged on the fuselage crossbeam (3); A fourth connecting piece (312), which is arranged opposite to the third connecting piece (311), and the fourth connecting piece (312) is tightly connected to the third connecting piece (311); an assembly hole (3121) is provided on the fourth connecting piece (312), and the assembly hole (3121) is located on the end face of the fourth connecting piece (312) away from the third connecting piece (311).

9. The flexible vibration damping mounting device according to claim 8, wherein One end of the flexible damping rope (4) is provided with a first safety hook (41), the other end of the flexible damping rope (4) is provided with a second safety hook (42), and the second safety hook (42) is connected to the assembly hole (3121).

10. The flexible vibration damping mounting device according to claim 9, wherein, The first safety hook (41) is connected to the second connecting piece (212).