Unmanned aerial vehicle lifting platform with safety device and control method

Abstract

The unmanned aerial vehicle lifting platform with the safety device comprises a takeoff and landing platform, the takeoff and landing platform is connected with the movable end of a lifting device, and the bottom of the lifting device is connected with a base; the upper surface of the lifting platform is a contact plate, and the lower surface of the contact plate is connected with a spring shock pad. According to the lifting platform, the pressure sensing array is integrated in the supporting structure, the contact pressure state of the supporting rods of the unmanned aerial vehicle is monitored in real time, the dynamic buffering characteristic of the spring shock pads is combined, multi-stage shock absorption and safety early warning are achieved, through the synergistic effect of the springs and the damping materials, vibration energy is absorbed, impact transmission is reduced, and the safety of the unmanned aerial vehicle is improved. And meanwhile, based on pressure threshold setting, the baffle automatically clamps the unmanned aerial vehicle support and releases the unmanned aerial vehicle support, and the parking safety of the unmanned aerial vehicle is improved.

Description

Technical Field

[0001] The present invention relates to the technical field of safe transfer of unmanned aerial vehicles (UAVs), and in particular to a UAV lifting platform with a safety device and a control method thereof. Background Art

[0002] With the rapid development of drone technology, its application scenarios have expanded to encompass diverse fields such as logistics and transportation, security inspections, and environmental monitoring. As critical equipment for ensuring safe takeoff, landing, and storage, drone landing platforms must meet requirements such as high-precision positioning, dynamic vibration reduction, and intelligent control. Existing lifting platforms are only capable of simple drone transfers and lack safety features to prevent transport failures or provide vibration reduction during docking.

[0003] Traditional platforms often utilize rigid supports or simple elastic materials, which are unable to effectively absorb external impact energy. When a drone lands at high speed or the platform is raised or lowered, impact forces can be transmitted to the fuselage through the support rods, exacerbating structural fatigue and reducing equipment lifespan. Vibration is particularly problematic in complex terrain or transportation scenarios. Existing technologies often rely on manual inspections or pre-set mechanical structures, lacking real-time monitoring of platform load, pressure distribution, and drone posture. This results in inability to promptly detect abnormal conditions (such as overload or support imbalance), increasing safety risks. Summary of the Invention

[0004] In response to the shortcomings of the existing technology, the present invention provides a drone lifting platform with a safety device, including a landing platform, the landing platform is connected to the movable end of the lifting device, and the bottom of the lifting device is connected to the base; the upper surface of the landing platform is a contact plate, and the lower surface of the contact plate is connected to a spring shock-absorbing pad.

[0005] Furthermore, a pressure sensor is provided between the contact plate and the spring damping pad.

[0006] Furthermore, the lifting and landing platform is also connected to a clamping device, which is driven by a motor.

[0007] Furthermore, the clamping device includes hinged clamping arms, and the clamping arms have two groups and are distributed at both ends of the landing platform.

[0008] Furthermore, the two groups of clamping arms have different heights.

[0009] Furthermore, the clamping arm has a bending portion.

[0010] Furthermore, the lifting device is a scissor-type lifting mechanism, which is composed of an active lifting arm, a passive lifting arm, an outer lifting arm, and an inner lifting arm that are hinged.

[0011] Furthermore, the landing platform is a box-shaped structure with baffles on all sides.

[0012] A method for controlling a UAV lifting platform is also proposed, which uses the above-mentioned lifting platform and specifically includes the following steps: First, when the drone lands on the landing platform and contacts the contact plate, the pressure distribution of the contact plate is monitored in real time through the pressure sensor; Then, if it is monitored that the pressure distribution is greater than a certain threshold, the clamping device is controlled to close and clamp the drone.

[0013] Furthermore, the UAV is made to hover before landing on the landing platform, and the height of the landing platform is controlled by the lifting device so that the landing platform approaches the hovering UAV.

[0014] Compared with existing technologies, the technical solution of this application has the following beneficial effects: The lifting platform proposed in this invention integrates a pressure sensor array in the support structure to monitor the contact pressure status of the drone support rod in real time. Combined with the dynamic buffering characteristics of the spring shock pad, it achieves multi-level shock absorption and safety warning. The synergistic effect of the spring and damping material absorbs vibration energy and reduces impact transmission. At the same time, based on the pressure threshold setting, the baffle automatically clamps and releases the drone bracket, improving the safety of drone parking. This design not only solves the problems of loose positioning and insufficient shock absorption of traditional platforms, but also improves the reliability and intelligence level of drone parking through data-based monitoring. It is suitable for the needs of multiple scenarios such as warehousing and transportation, and field operations. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 : Schematic diagram of the overall structure of the lifting platform; Figure 2 : Cross-sectional view of the landing platform. DETAILED DESCRIPTION

[0016] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0017] like Figures 1 and 2 As shown, a UAV lifting platform with a safety device is characterized in that it includes a landing platform 1, the landing platform 1 is connected to the movable end of the lifting device, and the bottom of the lifting device is connected to the base 2; the upper surface of the landing platform 1 is a contact plate 3, and the lower surface of the contact plate 3 is connected to a spring shock-absorbing pad 4.

[0018] When the drone lands on the landing platform 1, the contact plate 3 supports the drone and cushions the landing pressure and vibration of the drone through the spring shock pad 4. The lifting device can adapt to the landing height of the drone and play a secondary buffering and vibration reduction role.

[0019] In a more preferred embodiment, a pressure sensor is further provided between the contact plate 3 and the spring shock-absorbing pad 4. The pressure sensor preferably adopts a pressure sensor array distributed on the contact plate 3 to monitor the contact pressure state of the drone support rod in real time. Combined with the dynamic buffering characteristics of the spring shock-absorbing pad, multi-level shock absorption and safety warning are achieved.

[0020] In a more preferred embodiment, the landing platform 1 is further connected to a clamping device 6, which is driven by a motor 5. The motor 5 is driven based on the pressure monitored in real time by the pressure sensor. When the impact of the drone landing is too great, causing the pressure monitoring to exceed the threshold, the motor 5 is activated and drives the clamping device 6 to close, clamping the drone support pole, allowing the drone to land stably.

[0021] In a more preferred embodiment, the clamping device includes hinged clamping arms 61 , and the clamping arms 61 are provided in two groups and distributed at both ends of the landing platform 1 .

[0022] In a more preferred embodiment, the two groups of clamping arms 61 have different heights. The different heights of the clamping arms 61 can respectively clamp different parts of the drone support pole to more firmly clamp the drone.

[0023] In a more preferred embodiment, the clamping arm 61 has a bent portion 62. The bent portion 62 can hold the drone support pole all around, making the clamping more stable.

[0024] In a more preferred embodiment, the lifting device is a scissor-type lifting mechanism 7, which is composed of an active lifting arm 71, a passive lifting arm 72, an outer lifting arm 73, and an inner lifting arm 74. The scissor-type lifting mechanism 7 can not only drive the landing platform 1 to rise and fall to adapt to the take-off and landing height of the drone, but also provide a certain degree of cushioning and vibration reduction after the drone lands.

[0025] In a more preferred embodiment, the landing platform 1 is a box-shaped structure with baffles on all sides. The baffles on all sides can provide a certain degree of protection for the drone and prevent it from deviating from falling off the landing platform 1.

[0026] Utilizing the aforementioned lifting platform, this embodiment also relates to a method for controlling a UAV lifting platform, which specifically includes the following steps: First, when the UAV lands on the landing platform 1 and contacts the contact plate 3, the pressure distribution of the contact plate 3 is monitored in real time through the pressure sensor; Then, if it is monitored that the pressure distribution is greater than a certain threshold, the clamping device 6 is controlled to close and clamp the drone.

[0027] Furthermore, before the UAV lands on the landing platform 1 , it is made to hover, and the height of the landing platform 1 is controlled by the lifting device so that the landing platform 1 approaches the hovering UAV.

[0028] It should be noted that, in this document, relational terms such as first and second, etc., are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply the existence of any such actual relationship or order between these entities or operations. Moreover, the terms "comprises," "comprising," or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article, or device comprising a series of elements includes not only those elements, but also other elements not explicitly listed, or elements inherent to such process, method, article, or device. In the absence of further limitations, an element defined by the phrase "comprising a ..." does not exclude the presence of other identical elements in the process, method, article, or device comprising the element.

[0029] While embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions, and variations may be made to these embodiments without departing from the principles and spirit of the invention, and that the scope of the invention is defined by the appended claims and their equivalents.

Claims

1. A UAV lifting platform with a safety device, characterized in that: The landing platform (1) comprises a lifting platform (1), wherein the lifting platform (1) is connected to the movable end of the lifting device, and the bottom of the lifting device is connected to the base (2); the upper surface of the lifting platform (1) is a contact plate (3), and the lower surface of the contact plate (3) is connected to a spring shock-absorbing pad (4).

2. The UAV lifting platform with a safety device according to claim 1, characterized in that: A pressure sensor is also provided between the contact plate (3) and the spring damping pad (4).

3. The UAV lifting platform with a safety device according to claim 2, characterized in that: The lifting platform (1) is also connected to a clamping device (6), which is driven by a motor (5).

4. The UAV lifting platform with a safety device according to claim 3, characterized in that: The clamping device comprises hinged clamping arms (61), which have two groups and are distributed at both ends of the landing platform (1).

5. The UAV lifting platform with a safety device according to claim 3, characterized in that: The two groups of clamping arms (61) have different heights.

6. The UAV lifting platform with a safety device according to claim 4, characterized in that: The clamping arm (61) has a bent portion (62).

7. The UAV lifting platform with a safety device according to claim 1, characterized in that: The lifting device is a scissor-type lifting mechanism (7), which is composed of an active lifting arm (71), a passive lifting arm (72), an outer lifting arm (73), and an inner lifting arm (74) which are hinged.

8. The drone lifting platform with a safety device according to claim 1, characterized in that: The landing platform (1) is a box-shaped structure with baffles on all sides.

9. A method for controlling a UAV lifting platform, characterized in that: The lifting platform according to any one of claims 3 to 8 is used, and specifically comprises the following steps: First, when the UAV lands on the landing platform (1) and contacts the contact plate (3), the pressure distribution of the contact plate (3) is monitored in real time through a pressure sensor; Then, if it is detected that the pressure distribution is greater than a certain threshold, the clamping device (6) is controlled to close and clamp the drone.

10. The method for controlling the UAV lifting platform according to claim 9, wherein: Before the UAV lands on the landing platform (1), it is made to hover, and the height of the landing platform (1) is controlled by a lifting device so that the landing platform (1) approaches the hovering UAV.

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