Unmanned aerial vehicle launching and landing support frame with dual-axis tilt angle monitoring

Abstract

The utility model relates to an unmanned plane technical field discloses a kind of unmanned plane to fly guarantee take-off and landing frame with double-axis inclination monitoring, the take-off and landing frame includes mounting plate, rotatably connected in mounting plate's support rod, drive mechanism, buffer assembly and inclination monitoring piece. Drive mechanism includes electric push rod, rack in linkage with electric push rod, and gear meshed with rack, gear is driven connection with support rod by connecting rod mechanism, for driving support rod to retract or unfold. Support rod tip end is provided with buffer assembly, buffer assembly includes support plate, damper connected with support plate, and rubber sleeve set in the exterior of damper. The utility model drives rack and pinion and connecting rod mechanism by electric push rod, realize the stable retraction of landing gear, effectively reduce flight resistance, prolong endurance;Through the double buffering structure of damper and rubber sleeve, landing impact force is significantly absorbed, and unmanned plane and load are protected.

Description

Technical Field

[0001] This utility model relates to the field of unmanned aerial vehicle (UAV) technology, and in particular to a UAV launch support take-off and landing gear with dual-axis tilt angle monitoring. Background Technology

[0002] As a highly efficient aerial platform, drones are increasingly widely used. As a key component to ensure the safe take-off and landing of drones, the performance of the landing gear is directly related to the drone's operational efficiency and flight safety.

[0003] In existing technologies, many drones, especially small and medium-sized ones, mostly use simple fixed landing gears to simplify their structure and control costs. While these landing gears are reliable, they continuously generate significant air resistance during drone flight. This not only consumes the drone's valuable energy and shortens its flight time, but also poses a risk of damage due to complex airflow impacts during high-altitude or high-speed flight. Furthermore, during low-altitude operations, the protruding landing gear is prone to snagging on obstacles such as tree branches, creating safety hazards.

[0004] Meanwhile, the existing drone landing gear does not adequately consider the landing cushioning performance. Its cushioning structure is usually relatively simple, often using simple springs or rubber pads. When the drone lands on uneven or hard ground, this simple cushioning method is difficult to effectively absorb and dissipate the huge instantaneous impact energy. Excessive impact force will be directly transmitted to the drone body, which can easily damage the high-value equipment such as precision sensors and gimbal cameras inside. Utility Model Content

[0005] To overcome the above shortcomings, this utility model provides a UAV launch support landing gear with dual-axis tilt monitoring, aiming to improve the problems in the existing technology where the fixed design of the UAV landing gear leads to greater drag during flight, and the single landing buffer structure provides insufficient protection and poses a risk of tipping over.

[0006] To achieve the above objectives, the present invention adopts the following technical solution: A take-off and landing gear for unmanned aerial vehicle (UAV) launch support with dual-axis tilt monitoring includes: a mounting plate; a support rod; and a drive mechanism, a buffer assembly, and a tilt monitoring component.

[0007] The drive mechanism includes an electric push rod, a rack that is linked to the electric push rod, and a gear that meshes with the rack. The gear is connected to the support rod via a linkage mechanism.

[0008] Furthermore, the buffer assembly is located at the end of the support rod, and the buffer assembly includes a support plate, a damper connected to the support plate, and a rubber sleeve fitted over the damper.

[0009] The tilt monitoring device is fixedly mounted on the mounting plate.

[0010] Preferably, the mounting plate has a groove, and the drive mechanism also includes a slider that slides within the groove. The slider is connected to the output end of the electric push rod, and the rack is fixed below the slider.

[0011] Preferably, a connecting strip is fixed below the mounting plate, and gears are rotatably installed between the connecting strips.

[0012] Preferably, the linkage mechanism includes a first connector, a connecting block, and a second connector. The first connector is coaxially fixed to the gear and rotatably connected to the connecting block, and one end of the second connector is fixed to the connecting block.

[0013] Preferably, the linkage mechanism further includes a connecting rod, one end of which is connected to the second connecting member, and the other end is rotatably connected to a fixed block fixedly disposed below the mounting plate.

[0014] Preferably, the support rod is fixedly connected to the surface of the connecting rod.

[0015] Preferably, one end of the damper is connected to the support rod, and the other end is connected to the support plate.

[0016] Preferably, the tilt monitoring device includes an inertial measurement unit.

[0017] Preferably, the mounting plate is also provided with support blocks for mounting the landing gear to the drone fuselage.

[0018] This utility model has the following beneficial effects: 1. This utility model solves the problems of high flight drag, easy damage at high altitudes, and easy collision with obstacles at low altitudes caused by the fixed structure of the landing gear of existing drones by driving the support rod to retract or extend through an electric push rod, slider, rack, gear and linkage mechanism. It effectively reduces the air resistance generated by the drone during flight, reduces energy consumption to extend the endurance, avoids the landing gear being damaged by airflow at high altitudes, reduces the risk of subsequent landing failures, and makes the underside of the fuselage simpler, reducing the risk of collision with obstacles during low-altitude operations.

[0019] 2. This utility model, through a buffer assembly including a support plate, a damper, and a rubber sleeve fitted over the damper, solves the problems of existing landing gear buffer structures being simple, insufficiently absorbing landing impact, and providing limited protection for the UAV and its internal equipment. It achieves the following: after the support plate contacts the ground, the damper converts most of the impact force into heat energy and releases it slowly. The rubber sleeve further absorbs the remaining impact force through elastic deformation, enhancing the buffering effect and significantly reducing the impact on the UAV during landing, thus protecting the UAV and its internal equipment. Attached Figure Description

[0020] Figure 1This is a three-dimensional schematic diagram of a take-off and landing gear with dual-axis tilt monitoring for unmanned aerial vehicle (UAV) launch support proposed in this utility model. Figure 2 This is a schematic diagram of the connecting rod of the take-off and landing gear for unmanned aerial vehicle (UAV) launch support with dual-axis tilt monitoring proposed in this utility model. Figure 3 This is a cross-sectional schematic diagram of the rubber sleeve of the take-off and landing gear for unmanned aerial vehicle (UAV) launch support with dual-axis tilt monitoring, as proposed in this utility model.

[0021] Legend: 1. Mounting plate; 2. Electric push rod; 3. Slider; 4. Rack; 5. Connecting bar; 6. Gear; 7. First connecting piece; 8. Connecting block; 9. Second connecting piece; 10. Connecting rod; 11. Fixing block; 12. Support rod; 13. Rubber sleeve; 14. Support plate; 15. Damper; 16. Support block; 17. Slide groove. Detailed Implementation

[0022] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0023] Reference Figures 1-3 The present invention provides an embodiment of a UAV launch support landing gear with dual-axis tilt monitoring. The UAV launch support landing gear with dual-axis tilt monitoring includes a mounting plate 1 and a support rod 12 disposed below the mounting plate 1. The mounting plate 1 serves as the mounting base for the entire landing gear and supports other working components. The support rod 12 is used to form the main support structure of the landing gear to achieve ground support for the UAV.

[0024] The drive mechanism includes an electric push rod 2, a slider 3, a rack 4, and a gear 6. A groove 17 is provided on the upper surface of the mounting plate 1. The slider 3 is slidably fitted on the inner wall of the groove 17. The output end of the electric push rod 2 is fixedly connected to the slider 3. The rack 4 is fixed below the slider 3 and slides synchronously with it. A connecting strip 5 is fixed below the mounting plate 1. The gear 6 is rotatably installed between the connecting strips 5 and meshes with the rack 4 for transmission. The drive mechanism is connected to the support rod 12 via a linkage mechanism. The linkage mechanism includes a first connecting member 7, a connecting block 8, a second connecting member 9, and a connecting rod 10. The first connecting member 7 is coaxially fixed to the gear 6 and rotatably connected to the connecting block 8. One end of the second connecting member 9 is fixed to the connecting block 8, and the other end is connected to the connecting rod 10. One end of the connecting rod 10 is rotatably connected to the fixing block 11 fixedly disposed below the mounting plate 1. The support rod 12 is fixedly connected to the surface of the connecting rod 10. The buffer assembly is located at the end of the support rod 12 away from the connecting rod 10. The buffer assembly includes a support plate 14, a damper 15 and a rubber sleeve 13. The support plate 14 is used to contact the ground. One end of the damper 15 is connected to the support rod 12 and the other end is connected to the support plate 14. The rubber sleeve 13 is fitted over the outside of the damper 15 to help absorb the impact. The tilt monitoring device is fixedly mounted on the mounting plate 1. The tilt monitoring device includes an inertial measurement unit for acquiring the dual-axis tilt angle data of the mounting plate 1 in real time. The internal circuit structure and control method of the electric actuator 2 and the inertial measurement unit can be implemented in a conventional manner by those skilled in the art. The specific technical details are well known in the art and will not be elaborated here.

[0025] In a preferred embodiment, to ensure the precise and smooth linear motion of the drive mechanism, a groove 17 is provided on the mounting plate 1, the slider 3 is slidably fitted in the groove 17, the output end of the electric push rod 2 is fixedly connected to the slider 3, and the rack 4 is fixed below the slider 3.

[0026] In a preferred embodiment, in order to stably install and support the rotation of the gear 6, a connecting strip 5 is fixed below the mounting plate 1, and the gear 6 is rotatably installed between the connecting strips 5.

[0027] In a preferred embodiment, the linkage mechanism includes a first connector 7, a connecting block 8, and a second connector 9. The first connector 7 is coaxially fixed to the gear 6 and rotatably connected to the connecting block 8, and one end of the second connector 9 is fixed to the connecting block 8.

[0028] In a preferred embodiment, the linkage mechanism further includes a connecting rod 10 and a fixing block 11. One end of the connecting rod 10 is connected to the second connecting member 9, and the other end of the connecting rod 10 is rotatably connected to the fixing block 11, which is fixedly disposed below the mounting plate 1.

[0029] In a preferred embodiment, in order to effectively transmit the main supporting force of the landing gear, the support rod 12 is fixedly connected to the surface of the connecting rod 10.

[0030] In a preferred embodiment, in order to achieve effective buffering and shock absorption, one end of the damper 15 is connected to the support rod 12 and the other end is connected to the support plate 14.

[0031] In a preferred embodiment, in order to realize the dual-axis tilt angle monitoring function of the landing gear, the tilt angle monitoring device includes an inertial measurement unit, which can sense and output the pitch and roll angle data of the landing gear in real time.

[0032] In a preferred embodiment, in order to securely install the entire landing gear under the drone, a support block 16 is also provided on the mounting plate 1, and the support block 16 is fixed to the drone fuselage by bolts.

[0033] Working principle: When the drone needs to retract its landing gear, the electric push rod 2 is activated. The output end of the electric push rod 2 pushes the slider 3 to slide linearly within the groove 17 opened on the mounting plate 1. The rack 4 fixed below the slider 3 moves synchronously, and the gear 6 meshing with the rack 4 is driven to rotate between the connecting bars 5. The first connecting piece 7, which is coaxially fixed to the gear 6, also rotates synchronously. This drives the connecting rod 10 to rotate around the fixed block 11 through the connecting block 8 and the second connecting piece 9, ultimately causing the support rod 12, which is fixedly connected to the surface of the connecting rod 10, to flip upward and retract. When the drone lands, the support plate 14 first contacts the ground. The ground impact force is transmitted through the support plate 14 to the buffer assembly, which is sleeved on the outside of the damper 15. The rubber sleeve 13 first absorbs part of the impact through elastic deformation, and then the damper 15 dissipates the main impact energy, achieving dual buffering and shock absorption. Before takeoff or during landing, the tilt monitoring device fixed on the mounting plate 1 acquires the dual-axis tilt angle data of the landing gear in real time, providing ground attitude reference for the UAV's flight control system. The above description is only a specific embodiment of this utility model, but the protection scope of this utility model is not limited thereto. Any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope disclosed in this utility model should be included within the protection scope of this utility model. Therefore, the protection scope of this utility model should be determined by the protection scope defined in the claims.

[0034] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A take-off and landing gear for unmanned aerial vehicle (UAV) launch support with dual-axis tilt monitoring, comprising: Mounting plate (1); Support rod (12); Its features are: The landing gear also includes a drive mechanism, which includes an electric push rod (2), a rack (4) linked to the electric push rod (2), and a gear (6) meshing with the rack (4). The gear (6) is connected to the support rod (12) via a linkage mechanism and is used to drive the support rod (12) to retract or extend. The landing gear also includes a buffer assembly, which is located at the end of the support rod (12). The buffer assembly includes a support plate (14), a damper (15) connected to the support plate (14), and a rubber sleeve (13) sleeved on the outside of the damper (15). The landing gear also includes an inclination monitoring device, which is fixedly mounted on the mounting plate (1).

2. The UAV launch support landing gear with dual-axis tilt monitoring as described in claim 1, characterized in that, The mounting plate (1) has a groove (17) and the driving mechanism also includes a slider (3). The slider (3) is slidably fitted in the groove (17). The slider (3) is connected to the output end of the electric push rod (2) and the rack (4) is fixed below the slider (3).

3. The UAV launch support landing gear with dual-axis tilt monitoring according to claim 1, characterized in that, A connecting strip (5) is fixed below the mounting plate (1), and the gear (6) is rotatably installed between the connecting strip (5).

4. The UAV launch support landing gear with dual-axis tilt monitoring according to claim 1, characterized in that, The linkage mechanism includes a first connector (7), a connecting block (8), and a second connector (9). The first connector (7) is coaxially fixed to the gear (6) and rotatably connected to the connecting block (8). One end of the second connector (9) is fixed to the connecting block (8).

5. The UAV launch support landing gear with dual-axis tilt monitoring according to claim 4, characterized in that, The linkage mechanism also includes a connecting rod (10), one end of which is connected to the second connecting member (9), and the other end is rotatably connected to a fixing block (11) below the mounting plate (1).

6. The UAV launch support landing gear with dual-axis tilt monitoring according to claim 5, characterized in that, The support rod (12) is fixedly connected to the surface of the connecting rod (10).

7. The UAV launch support landing gear with dual-axis tilt monitoring according to claim 1, characterized in that, One end of the damper (15) is connected to the support rod (12), and the other end is connected to the support plate (14).

8. The UAV launch support landing gear with dual-axis tilt monitoring according to claim 1, characterized in that, The mounting plate (1) is also provided with a support block (16) for mounting the landing gear to the fuselage of the UAV.

Images