Tilt-rotor unmanned aerial vehicle landing buffer device

Abstract

The utility model provides a tilting rotor unmanned aerial vehicle landing buffer device, which belongs to the technical field of unmanned aerial vehicle buffering, and comprises a storage shell, a retractable assembly is arranged on the inner wall of the storage shell, the retractable assembly comprises guide groove frames arranged on the two sides of the inner wall of the storage shell, a supporting arm is arranged between the guide groove frames in a sliding manner, and sliding round blocks are arranged on the two sides of the supporting arm. The sliding round block is located in the guide groove frame, a connecting column is arranged in the supporting arm in an up-down sliding mode, a buffering piece is arranged between the supporting arm and the connecting column, a roller base is arranged at the bottom of the connecting column, and a supporting roller is arranged in the roller base. According to the unmanned aerial vehicle, unnecessary interference or resistance to the unmanned aerial vehicle in the flying process can be reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to unmanned plane buffer technical field, concretely relates to tilt rotor unmanned plane landing buffer device. BACKGROUND

[0002] With the rapid development of unmanned plane technology, tilt rotor unmanned plane as a kind of flight vehicle integrating fixed wing flight speed and helicopter vertical take-off and landing ability, its application in military reconnaissance, topographic survey, emergency rescue and cargo transportation etc. field is increasingly widespread. However, the landing process of tilt rotor unmanned plane has been the focus and difficulty of technology research and development, especially in the landing in complex terrain or limited space, the buffer performance and stability of unmanned plane are put forward to extremely high requirements.

[0003] The existing tilt rotor unmanned plane is rotated by the rotation of tilt rotor, thereby vertical take-off can be carried out, but when tilt rotor unmanned plane lands, first slow rotation is carried out by tilt rotor, and falls to the ground, and tilt rotor unmanned plane supporting roller is buffered to tilt rotor unmanned plane due to the gravity of tilt rotor unmanned plane.

[0004] The above equipment can buffer tilt rotor unmanned plane, but when tilt rotor unmanned plane flies, supporting roller is always suspended on tilt rotor unmanned plane, so that unnecessary resistance air resistance is suffered by unmanned plane in flight process, thereby the flight speed of unmanned plane is affected. UTILITY MODEL CONTENT

[0005] Therefore, the utility model provides tilt rotor unmanned plane landing buffer device, the utility model can reduce unnecessary interference or resistance received by unmanned plane in flight process.

[0006] To solve the above technical problems, the utility model provides tilt rotor unmanned aerial vehicle landing buffer device, including receiving shell, the inner wall of receiving shell is provided with storage component, and the storage component includes the guide groove frame of setting in the both sides of receiving shell inner wall, the guide groove frame is fixed in receiving shell through the mode of welding, the support arm is slidably arranged between the guide groove frame, the both sides of support arm are provided with sliding round block, and the sliding round block is located in the guide groove frame, and the guide groove frame provides the support arm with the effect of guiding, the support arm is provided with the connecting column which slides up and down in the support arm, and the connecting column is provided with the buffer piece between up and down of support arm, the connecting column bottom is provided with the roller seat, the roller seat is fixed on the connecting column through the mode of welding, the support roller is provided in the roller seat, and the support roller can rotate in the roller seat, namely in the landing process, along with unmanned aerial vehicle gradually approaching ground, the support arm in storage component will stably slide outwards under the guidance of guide groove frame, when the support arm is fully unfolded, the roller seat and support roller of connecting column bottom contact with ground or other surface, and the support roller provides stable support, when tilt rotor unmanned aerial vehicle takes off, the support arm in storage component will stably slide outwards under the guidance of guide groove frame, so that the support arm can be stored in receiving shell, thereby reduce unmanned aerial vehicle in the flight process, ensure that unmanned aerial vehicle in the flight process will not be disturbed or resistance unnecessarily.

[0007] The storage component includes a hydraulic cylinder arranged on the upper surface of the receiving shell, the hydraulic cylinder is installed on the upper surface of the receiving shell, a hydraulic rod is arranged in the hydraulic cylinder, and one end of the hydraulic rod is hingedly connected with one end of the support arm.

[0008] The buffer piece further includes a buffer spring arranged in the support arm, and the buffer spring is located at the top of the support arm and one end of the connecting column.

[0009] The buffer piece further includes a damper arranged on the connecting column, and the damper is located inside the buffer spring.

[0010] The guide groove frame and the support arm adopt an L-shaped structure.

[0011] One side of the receiving shell is provided with an arc-shaped block, and the arc-shaped block is fixed on the receiving shell by welding.

[0012] Compared with the prior art, the present application has at least one of the following beneficial technical effects:

[0013] 1. When the tilt-rotor drone takes off to a certain height, the hydraulic cylinder drives the hydraulic rod, which drives the support arm, so that the support arm moves in the guide slot frame, so that the support arm can be retracted into the storage shell, thereby reducing unnecessary interference or resistance during the flight of the drone.

[0014] 2. When the tilt-rotor drone lands, the hydraulic cylinder drives the hydraulic rod, which drives the support arm, causing the support arm to slide in the guide groove frame, so that the support arm can be unfolded, and then the support roller at the bottom of the support arm will contact the ground, thereby causing the spring and damper inside the support arm to operate, effectively absorbing and slowing down the impact energy transmitted to the drone by the ground or other surfaces, while ensuring that the buffering process is smoother and more controllable. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the structure of the landing buffer device for a tilt-rotor UAV of the present invention;

[0016] Figure 2 This is a schematic diagram of the structure of the retractable component of this utility;

[0017] Figure 3 This is a schematic structural diagram of the buffer component of the utility model;

[0018] Figure 4 It is a structural schematic diagram of the storage shell of the utility model.

[0019] Description of reference numerals:

[0020] 100, storage shell; 101, arc block; 102, connecting column; 103, roller seat; 104, supporting roller;

[0021] 200, retractable assembly; 201, guide channel frame; 202, support arm; 203, sliding round block; 204, hydraulic cylinder; 205, hydraulic rod;

[0022] 300, buffer member; 301, buffer spring; 302, damper; DETAILED DESCRIPTION

[0023] In order to make the purpose, technical solutions and advantages of the embodiment of the present invention clearer, the following will be combined with the appended drawings of the embodiment of the present invention. Figures 1-4 , clearly and completely describing the technical solutions of the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. Based on the described embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field fall within the scope of protection of the present invention.

[0024] As Figures 1-4 shown: the embodiment provides a tilt-rotor unmanned aerial vehicle landing buffer device, including the storage shell 100, the storage shell 100 is multiple, while in the bottom position of the tilt-rotor unmanned aerial vehicle, so as to facilitate the storage of the tilt-rotor unmanned aerial vehicle support buffer 300, the inner wall of the storage shell 100 is provided with a storage assembly 200, the storage assembly 200 includes the guide groove frame 201 provided on both sides of the inner wall of the storage shell 100, the guide groove frame 201 is fixed on the storage shell 100 by welding, the support arm 202 is slidably arranged between the guide groove frames 201, the support arm 202 is provided with a sliding round block 203 on both sides, the sliding round block 203 is located in the guide groove frame 201, the sliding round block 203 is fixed on the support arm 202 by welding, the guide groove frame 201 provides a guiding effect for the support arm 202, which ensures the smooth sliding of the support arm 202 in the guide groove, reduces friction and wear, the connecting column 102 is slidably arranged in the support arm 202, the buffer 300 is arranged between the support arm 202 and the connecting column 102, the connecting column 102 is provided with a roller seat 103 at the bottom, the roller seat 103 is provided with a support roller 104, the connecting column 102 is used to connect the roller seat 103 and the support roller 104, the support roller 104 is used to contact the ground or other surface when the unmanned aerial vehicle lands, providing stable support and rolling friction, reducing the impact and vibration when landing, and allowing them to slide up and down inside the support arm 202 to adapt to different landing heights and impact forces, the buffer 300 absorbs and reduces the impact energy when the unmanned aerial vehicle lands, protecting the unmanned aerial vehicle and the buffer device itself from damage;

[0025] When the tilt-rotor unmanned aerial vehicle is ready to land, the storage assembly 200 in the multiple storage shells 100 at the bottom of the tilt-rotor unmanned aerial vehicle begins to play a role, during the landing process, as the unmanned aerial vehicle gradually approaches the ground, the support arm 202 in the storage assembly 200 will smoothly slide outward under the guidance of the guide groove frame 201, when the support arm 202 is fully deployed, the roller seat 103 and the support roller 104 at the bottom of the connecting column 102 contact the ground or other surface, the support roller 104 provides stable support, the buffer 300 absorbs and reduces the impact energy when the unmanned aerial vehicle lands, protecting the unmanned aerial vehicle and the buffer device itself from damage, when the tilt-rotor unmanned aerial vehicle takes off, the support arm 202 in the storage assembly 200 will smoothly slide outward under the guidance of the guide groove frame 201, so that the support arm 202 can be stored in the storage shell 100, thereby reducing unnecessary interference or resistance to the unmanned aerial vehicle during flight.

[0026] The storage assembly 200 is Figure 2 shown,

[0027] The retractable assembly 200 includes a hydraulic cylinder 204 arranged on the upper surface of the storage shell 100, the hydraulic cylinder 204 is installed, a hydraulic rod 205 is arranged in the hydraulic cylinder 204, one end of the hydraulic rod 205 is hingedly arranged with one end of the support arm 202, and the end of the hydraulic rod 205 is connected with one end of the support arm 202 in a hinged manner. This hinged arrangement allows the support arm 202 to smoothly slide along the guide groove frame 201 under the drive of the hydraulic rod 205, whether it is unfolded or retracted. When the hydraulic rod 205 extends, it will push the support arm 202 to slide outward along the guide groove frame 201 until the support arm 202 is fully unfolded, and conversely, when the hydraulic rod 205 is retracted, it will pull the support arm 202 to slide inward along the guide groove frame 201 until the support arm 202 is fully retracted into the storage shell 100, avoiding unnecessary interference and resistance during flight;

[0028] The buffer 300 is as shown in Figure 3 ,

[0029] The buffer 300 further includes a buffer spring 301 arranged in the support arm 202, the buffer spring 301 is located at the top of the support arm 202 and one end of the connecting column 102, and the buffer spring 301 is ingeniously installed in the interior of the support arm 202 between the top of the support arm 202 and one end of the connecting column 102. So that the buffer spring 301 can effectively absorb and slow down the impact energy transmitted to the unmanned aerial vehicle by the ground or other surfaces when the unmanned aerial vehicle lands;

[0030] The buffer 300 further includes a damper 302 arranged on the connecting column 102, the damper 302 is located inside the buffer spring 301, and adjusts and limits the rapid vibration and rebound of the buffer spring 301 when it is impacted, thereby ensuring that the buffering process is more stable and controllable;

[0031] The guide groove frame 201 is as shown in Figure 2 ,

[0032] The guide groove frame 201 and the support arm 202 adopt an L-shaped structure, and the L-shaped structure also provides a more stable and reliable sliding track for the support arm 202, ensuring the stability and accuracy of the support arm 202 during unfolding and retracting;

[0033] The arc block 101 is as shown in Figure 1 ,

[0034] One side of the storage shell 100 is provided with an arc block 101, when the support arm 202 is unfolded, so that the arc surface of the support arm 202 contacts with the arc block 101, and at the same time provides perpendicularity for the support arm 202;

[0035] In addition, it needs to be explained that, in the description of the present application, unless otherwise specified and limited, the terms "mounting", "connecting", "connection" should be understood broadly, for example, it can be fixed connection, or detachable connection, or integrally connected; it can be mechanical connection, or electrical connection; it can be directly connected, or indirectly connected through intermediate medium, or the communication inside two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0036] The above is the preferred embodiment of the present application, it should be pointed out that, for those skilled in the art, without departing from the principles described in the present application, a number of improvements and refinements can be made, these improvements and refinements should also be considered as the protection scope of the present application.

Claims

1. A tilt-rotor drone landing cushioning device comprising a housing (100), characterized in that: The inner wall of the storage shell (100) is provided with a storage and release assembly (200), the storage and release assembly (200) comprises guide groove frames (201) arranged on both sides of the inner wall of the storage shell (100), sliding support arms (202) are arranged between the guide groove frames (201), sliding circular blocks (203) are arranged on both sides of the support arms (202), the sliding circular blocks (203) are located in the guide groove frames (201), connecting columns (102) are arranged in the support arms (202) and slide up and down, buffer members (300) are arranged between the support arms (202) and the connecting columns (102) and slide up and down, roller seats (103) are arranged at the bottom of the connecting columns (102), and support rollers (104) are arranged in the roller seats (103).

2. The tilt-rotor UAV landing cushion of claim 1, wherein: The storage and release assembly (200) comprises hydraulic cylinders (204) arranged on the upper surface of the storage shell (100), hydraulic rods (205) are arranged in the hydraulic cylinders (204), and one end of the hydraulic rods (205) is hingedly connected with one end of the support arms (202).

3. The tilt-rotor UAV landing cushion of claim 1, wherein: The buffer member (300) further comprises buffer springs (301) arranged in the support arms (202), and the buffer springs (301) are located at the top of the support arms (202) and one end of the connecting columns (102).

4. The tilt-rotor UAV landing cushion of claim 3, wherein: The buffer member (300) further comprises dampers (302) arranged on the connecting columns (102), and the dampers (302) are located inside the buffer springs (301).

5. The tilt-rotor UAV landing cushion of claim 1, wherein: The guide groove frames (201) and the support arms (202) adopt L-shaped structures.

6. The tilt-rotor UAV landing cushion of claim 1, wherein: One side of the storage shell (100) is provided with an arc-shaped block (101).

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