Material fixing device for lifting of unmanned aerial vehicle

Abstract

The invention discloses a material fixing device for unmanned aerial vehicle hoisting, and relates to the technical field of unmanned aerial vehicle hoisting, the material fixing device comprises a damping structure, and the damping structure comprises a control seat fixedly connected to the bottom of a data control box, and a material fixing device fixedly connected to the control seat, the hydraulic cylinders are arranged on the surface of the control base in a circumferential mode. The hydraulic rods are connected to the hydraulic cylinders in a sliding and telescopic mode. The fixing base is fixedly connected to the ends, away from the hydraulic cylinders, of the hydraulic rods. The three spacing plates are fixedly connected to the surface of the fixing base. The two double-shaft motors are symmetrically arranged, and the inner shafts are fixedly connected to the inner sides of the double-shaft motors and rotationally connected to the partition plates. Through circling flight of the unmanned aerial vehicle and the stabilizing effect of the damping assembly, the releasing assembly can ensure that the life buoy is accurately released above a target area, and the rescue efficiency is greatly improved.

Description

Technical Field

[0001] The present invention relates to the technical field of unmanned aerial vehicle lifting, and in particular to a material fixing device used for unmanned aerial vehicle lifting. Background Art

[0002] With the increasing maturity and advancement of civil drone technology, its application in the field of water rescue is gradually gaining more attention.

[0003] With its low manufacturing and maintenance costs, flexible take-off and landing capabilities, and simple operation procedures, drones have played an important role in water rescue activities, covering multiple aspects such as personnel positioning and search and rescue, remote video signal transmission, positioning and delivery, and provision of medical assistance equipment, performing tasks such as monitoring, reconnaissance, and search. For example, after receiving an emergency report of someone falling into the water at sea, a drone can quickly take off from the nearest rescue ship and immediately discover and accurately lock the exact location of the person in distress from an aerial perspective.

[0004] However, in an emergency, the ability of people in distress to move in the water is limited. Due to physical exhaustion, panic or injury, the ability of people in distress to move in the water is severely restricted. If the lifebuoy released by the drone is not accurate enough and is too far away from the people in distress, the people in distress cannot swim to the lifebuoy, and thus cannot effectively use the life-saving equipment to rescue the trapped people. Summary of the invention

[0005] The purpose of the present invention is to provide a material fixing device for unmanned aerial vehicle lifting to solve the problems raised in the above-mentioned background technology.

[0006] To achieve the above object, the present invention provides the following technical solution: a material fixing device for unmanned aerial vehicle lifting, comprising a data control box, a wing fixedly connected to the data control box, and a fan blade rotatably connected to the wing;

[0007] Also includes,

[0008] A damping structure, the damping structure comprising a control seat fixedly connected to the bottom of the data control box, a hydraulic cylinder fixedly connected to the control seat and arranged in a circle on the surface of the control seat, a hydraulic rod slidably and telescopically connected to the hydraulic cylinder, a fixed seat fixedly connected to one end of the hydraulic rod away from the hydraulic cylinder, three partition plates fixedly connected to the surface of the fixed seat, two double-axis motors rotatably connected to two adjacent partition plates and in symmetrical positions, an inner shaft fixedly connected to the inner side of the double-axis motor and rotatably connected to the partition plate, a main wire roller fixedly connected to the inner shaft, and a damping assembly fixedly connected to one end of the main wire roller;

[0009] A release structure, the release structure includes an outer shaft fixedly connected to the outside of the dual-axis motor and rotatably connected to the partition plate, two slave wire-pulling rollers fixedly connected to the outer shaft, a triangular plate fixedly connected to the surface of the slave wire-pulling roller, an arc-shaped seat fixedly connected to the bottom surface of the triangular plate, a connecting strip fixedly connected to the surface of the arc-shaped seat, a guide hole for pulling the wire opened on the surface of the connecting strip and passing through the surface of the main wire-pulling roller, and a release component fixedly connected to the surface of the arc-shaped seat.

[0010] As a preferred solution of the material fixing device for drone lifting described in the present invention, wherein: the surface of the partition plate is fixedly connected with a guide plate 1 that is compatible with the wire pulling from the surface of the wire pulling roller, the surface of the partition plate is fixedly connected with a guide plate 2 that is compatible with the wire pulling from the surface of the main wire pulling roller, and a guide groove is opened inside the guide plate 2.

[0011] As a preferred solution of the material fixing device for drone lifting described in the present invention, the damping assembly includes a connecting sleeve fixedly connected to one end of the main pull wire roller, a base plate fixedly connected to the connecting sleeve, and a sleeve fixedly connected to the base plate, the base plate and the sleeve are made of high-density material, and the end of the sleeve away from the base plate is designed to be open.

[0012] As a preferred solution of the material fixing device for drone lifting described in the present invention, wherein: the surface of the base plate is fixedly connected with a accommodating frame in a circular array on the surface of the base plate, and one end of the accommodating frame away from the center of the base plate is fixedly connected to the inner wall of the sleeve, and a mounting hole is provided at the center point of the circular array of the accommodating frame.

[0013] As a preferred solution of the material fixing device for drone lifting of the present invention, wherein: a sponge is detachably connected to the surface of the containing frame, a filter is movably connected to the mounting hole, and a water inlet hole is opened on the surface of the sleeve, which is arranged in a circular array with the bottom plate as the center point;

[0014] The surface of the fixing seat is fixedly connected with sensors in symmetrical positions, and arc-shaped plates are fixedly connected between adjacent arc-shaped seats.

[0015] As a preferred solution of the material fixing device for drone lifting described in the present invention, the release assembly includes a mounting seat fixedly connected to the surface of the arc seat and located at both ends of the connecting strip, grooves opened at both ends of the mounting seat, and a fixed shaft rotatably connected to the surface of the groove.

[0016] As a preferred solution of the material fixing device for drone lifting described in the present invention, wherein: a rotating part is fixedly connected to the surface of the fixed shaft, a clamping part is fixedly connected to the end of the rotating part away from the fixed shaft, a lifebuoy is clamped and connected to the surface of the clamping part, and a buckle is fixedly connected to the surface of the rotating part.

[0017] As a preferred solution of the material fixing device for drone lifting described in the present invention, wherein: the surface of the clamping part is fixedly connected to a support plate, the surface of the support plate is fixedly connected to a spring 1, the end of the spring 1 away from the support plate is fixedly connected to the surface above the groove close to the fixed axis.

[0018] As a preferred solution of the material fixing device for drone lifting described in the present invention, wherein: a hidden groove is opened on the surface of the mounting seat, a bearing plate is fixedly connected to the surface of the hidden groove, a positioning column is fixedly connected to the surface of the hidden groove, a slide cylinder is slidably connected to the surface of the positioning column, and a second spring is arranged between the top of the inner wall of the slide cylinder and the top of the positioning column away from the base plate.

[0019] As a preferred solution of the material fixing device for drone lifting described in the present invention, the side wall of the slide cylinder is fixedly connected to two tooth plates, the surfaces of the two tooth plates are meshingly connected with gears, the surfaces of the gears are fixedly connected with a rotating shaft that passes through and is rotatably connected to the supporting plate, the end of the rotating shaft away from the gear is fixedly connected to a pull rope, and the end of the pull rope away from the rotating shaft is fixedly connected to the buckle.

[0020] Beneficial effects of the present invention:

[0021] The present invention ensures that the life buoy can be accurately dropped near the person in distress through the coordinated work of the main pull-wire roller and the damping component, thereby improving the success rate of rescue. Through the hovering flight of the drone and the stabilizing effect of the damping component, the release component can ensure that the life buoy is accurately dropped over the target area, greatly improving the rescue efficiency. The damping component absorbs water to increase the weight, making the drop more stable and reducing deviations caused by factors such as wind and waves.

[0022] The release assembly of the present invention ensures the stability and reliability of the life buoy during the release process through structures such as the rotating part, the clamping part and the buckle, and can ensure that the life buoy will not fall off or deviate from the target even in a complex water environment. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following briefly introduces the drawings required for use in the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0024] Figure 1 It is a schematic diagram of the overall structure of the present invention.

[0025] Figure 2 It is a schematic plan view of the overall structure of the present invention.

[0026] Figure 3 It is a schematic diagram of the fixing seat structure of the present invention.

[0027] Figure 4 It is a plan view of the fixing seat of the present invention.

[0028] Figure 5 It is a top plan view of the overall structure of the present invention.

[0029] Figure 6 It is a schematic diagram of the structure of the damping component of the present invention.

[0030] Figure 7 It is a schematic diagram of the release component structure of the present invention.

[0031] Figure 8 It is a schematic diagram of the mounting seat structure of the present invention.

[0032] Fig. 9 It is a plan view of the mounting seat of the present invention.

[0033] Fig.10 It is a schematic diagram of the pressing column structure of the present invention.

[0034] In the figure: 1, data control box; 2, control seat; 3, hydraulic cylinder; 4, hydraulic rod; 5, fixed seat; 51, sensor; 6, partition plate; 61, guide plate 1; 62, guide plate 2; 63, guide groove; 7, double-axis motor; 71, outer shaft; 72, inner shaft; 8, main wire-pulling roller; 9, slave wire-pulling roller; 10, triangle plate; 11, arc plate; 12, arc seat; 13, damping assembly; 131, connecting sleeve; 132, bottom plate; 133, sleeve; 134, water inlet hole; 135, receiving frame; 136, filter screen; 13 7. Sponge; 138. Mounting hole; 14. Release assembly; 141. Mounting seat; 142. Groove; 143. Fixed shaft; 144. Rotating part; 145. Clamping part; 146. Support plate; 147. Concealed groove; 148. Pressing column; 149. Spring 1; 15. Lifebuoy; 16. Slide; 17. Positioning column; 18. Spring 2; 19. Tooth plate; 20. Gear; 21. Rotating shaft; 22. Pull rope; 23. Buckle; 24. Wing; 25. Blade; 26. Connecting strip; 27. Guide hole; 28. Load-bearing plate. DETAILED DESCRIPTION

[0035] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the specific embodiments of the present invention are described in detail below in conjunction with the accompanying drawings.

[0036] In the following description, many specific details are set forth to facilitate a full understanding of the present invention, but the present invention may also be implemented in other ways different from those described herein, and those skilled in the art may make similar generalizations without violating the connotation of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0037] Secondly, the term "one embodiment" or "embodiment" as used herein refers to a specific feature, structure or characteristic that may be included in at least one implementation of the present invention. The term "in one embodiment" that appears in different places in this specification does not necessarily refer to the same embodiment, nor is it an embodiment that is mutually exclusive with other embodiments, either individually or selectively.

[0038] Secondly, the present invention is described in detail with reference to the schematic diagram. When describing the embodiments of the present invention in detail, for the sake of convenience, the cross-sectional diagrams showing the device structure will not be partially enlarged according to the general scale, and the schematic diagrams are only examples, which should not limit the scope of protection of the present invention. In addition, in actual production, the three-dimensional dimensions of length, width and depth should be included.

[0039] Example 1, reference Figure 1-Figure 7, which is the first embodiment of the present invention, provides a material fixing device for unmanned aerial vehicle lifting, the device includes a data control box 1, a wing 24 is fixedly connected to the data control box 1, and a fan blade 25 is rotatably connected to the wing 24; the data control box 1, as the core of the unmanned aerial vehicle lifting system, is responsible for receiving instructions, processing data and controlling the working status of the wing 24 and the fan blade 25 to ensure the stable flight of the unmanned aerial vehicle; the wing 24 provides lift and flight stability by adjusting its shape and angle, while the fan blade 25 generates thrust by rotating at high speed, and the two work together to cope with different flight conditions and material weights, and jointly ensure the stability and safety of the unmanned aerial vehicle during the lifting process.

[0040] Also includes,

[0041] The damping structure includes a control seat 2 fixedly connected to the bottom of the data control box 1, a hydraulic cylinder 3 fixedly connected to the control seat 2 and arranged in a circle on the surface of the control seat 2, a hydraulic rod 4 slidably and telescopically connected to the hydraulic cylinder 3, a fixed seat 5 fixedly connected to the end of the hydraulic rod 4 away from the hydraulic cylinder 3, three partition plates 6 fixedly connected to the surface of the fixed seat 5, two double-axis motors 7 rotatably connected to two adjacent partition plates 6 and in symmetrical positions, an inner shaft 72 fixedly connected to the inner side of the double-axis motor 7 and rotatably connected to the partition plate 6, a main wire roller 8 fixedly connected to the inner shaft 72, and a damping component 13 fixedly connected to one end of the main wire roller 8;

[0042] Since the armature windings of the dual-axis motor 7 are two independent systems, they can control the rotation of the two rotating shafts 21 respectively, that is, they can independently control the rotation of the outer shaft 71 and the inner shaft 72.

[0043] The spacer plate 6 is used to fix and support the rotation of the main wire-pulling roller 8 and the slave wire-pulling roller 9, so as to extend the extension of the wire pull on the surface of the main wire-pulling roller 8 and the slave wire-pulling roller 9. The control seat 2, as the cornerstone connecting the data control box 1 and the hydraulic system, firmly supports and fixes the circumferentially arranged hydraulic cylinder 3, and the hydraulic cylinder 3 drives the sliding and retractable hydraulic rod 4 through the precise flow of the internal hydraulic oil. The three work together to achieve high-precision and stable material lifting and delivery functions under the command of the data control box 1, and are used to ensure the stability of the entire damping structure under the swing driven by the drone. When the drone is affected by external disturbances or wind, the hydraulic rod 4 will be extended and retracted as needed to consume the swing energy, thereby slowing down the swing amplitude and speed of the drone. The extension and retraction of the hydraulic rod 4 in the hydraulic cylinder 3 can also realize the height adjustment control of the entire damping structure on the control base. By adjusting the telescopic length of the hydraulic rod 4, the position of the damping structure relative to the drone can be changed, thereby further optimizing the damping effect and improving the stability of the drone under swinging.

[0044] The release structure includes an outer shaft 71 fixedly connected to the outside of the dual-axis motor 7 and rotatably connected to the partition plate 6, two slave wire rollers 9 fixedly connected to the outer shaft 71, a triangular plate 10 fixedly connected to the surface of the slave wire roller 9, an arc seat 12 fixedly connected to the bottom surface of the triangular plate 10, a connecting strip 26 fixedly connected to the surface of the arc seat 12, a guide hole 27 opened on the surface of the connecting strip 26 and passing through the surface of the main wire roller 8 for wire drawing, and a release assembly 14 fixedly connected to the surface of the arc seat 12. The outer shaft 71 is used to drive the rotation of the two slave wire rollers on the partition plate 6 and to extend the entire arc seat 12 to fall. The triangular plate 10 is fixedly connected to the surface of the slave wire roller 9 and moves with the rotation of the slave wire roller 9. The triangular plate 10 has a stable triangular structure and can provide better support and guiding effects. The guide hole 27 is opened on the surface of the connecting strip 26 and passes through the wire drawing on the surface of the main wire roller 8. The design of the guide hole 27 can guide the movement direction of the pull line and prevent the pull line from deflecting or getting stuck during the movement. The release assembly 14 is a key component in the release structure, which is used to control the timing and method of life-saving equipment, such as a life buoy (15), to ensure that the life buoy (15) can accurately fall in front of the trapped person.

[0045] Among them, the surface of the partition plate 6 is fixedly connected with a guide plate 1 61 adapted to the wire drawing from the surface of the wire drawing roller 9, and the surface of the partition plate 6 is fixedly connected with a guide plate 2 62 adapted to the wire drawing from the surface of the main wire drawing roller 8, and a guide groove 63 is provided inside the guide plate 2 62. It is mainly used to guide the movement direction of the wire drawing from the surface of the main wire drawing roller 8 and the wire drawing from the surface of the wire drawing roller 9.

[0046] The damping assembly 13 includes a connecting sleeve 131 fixedly connected to one end of the main wire-pulling roller 8, a bottom plate 132 fixedly connected to the connecting sleeve 131, and a sleeve 133 fixedly connected to the bottom plate 132. The bottom plate 132 and the sleeve 133 are made of high-density material, and the end of the sleeve 133 away from the bottom plate 132 is open. The damping assembly 13 can interact with the seawater environment more effectively through its special structural design, especially the opening design of the sleeve 133, so that the sponge 137 in the sleeve 133 can be filled with seawater through the filter 136, increasing the gravity of the entire damping assembly 13 and generating a greater damping force. This design increases the resistance of the assembly in seawater, thereby enhancing the overall damping effect.

[0047] The bottom plate 132 and the sleeve 133 made of high-density materials further improve the damping performance, because these materials generally have higher density and better wear resistance, and can maintain long-term stability and durability in seawater.

[0048] Among them, the surface of the bottom plate 132 is fixedly connected with a accommodating frame 135 in a circular array on the surface of the bottom plate 132. One end of the accommodating frame 135 away from the center of the bottom plate 132 is fixedly connected to the inner wall of the sleeve 133. A mounting hole 138 is provided at the center point of the circular array of the accommodating frame 135. The design of the mounting hole 138 facilitates the installation of the filter screen 136 on the sleeve 133.

[0049] Among them, a sponge 137 is detachably connected to the surface of the accommodating frame 135, a filter screen 136 is movably connected to the mounting hole 138, and a water inlet hole 134 is provided on the surface of the sleeve 133 in a circular array with the bottom plate 132 as the center point; the design of the water inlet hole 134 facilitates seawater to enter the sleeve 133 more quickly, and a sensor 51 in a symmetrical position is fixedly connected to the surface of the fixed seat 5. The sensor 51 is used to receive instructions from the data control box 1 and to control the rotation of the outer shaft 71 and the inner shaft 72 on the dual-axis motor 7. An arc plate 11 is fixedly connected between adjacent arc seats 12, and the arc plate 11 is designed to connect two adjacent arc seats 12, thereby increasing the stability between the arc seats 12.

[0050] During use, when the rescue operation is launched, the rescuers first find trapped people on the sea surface. They properly place the lifebuoy (15) on the preset release component 14 to ensure that the lifesaving equipment is in a standby state and can be put into use at any time. Then, the rescuers start the drone to enter the flight preparation stage. The drone, as a carrier of the lifesaving equipment, will be responsible for transporting the lifebuoy (15) to the location of the trapped person. The operator then picks up the remote control and sends precise instructions through it. These instructions are intended to control the flight trajectory of the drone and the release timing of the lifesaving equipment. The instructions sent by the remote control are received by the data control box 1. As a central processor, the data control box 1 is responsible for decoding these instructions and converting them into executable signals. The data control box 1 transmits the processed signals to the sensor 51. The sensor 51 plays a vital role here. It accurately controls the operation of the dual-axis motor 7 according to the received signals. The UAV is parked above the trapped person. After receiving the command, the dual-axis motor 7 controls the rotation of the inner shaft 72, the main pull wire roller 8 rotates, and the pull wire on the surface of the main pull wire roller 8 falls through the guide hole 27, and the damping component 13 is dropped in front of or around the trapped person. When the damping component 13 falls into the sea water, the sea water will pass through the water inlet hole 134 and the filter screen 136 into the sleeve 133.

[0051] After the UAV arrives above the area where the trapped persons are located, it begins to perform a stable hovering flight with the trapped persons as the center. In this process, the unique dynamic characteristics of the damping component 13 and the main pull-wire roller 8 play a key role: they cause the other end of the main pull-wire roller 8 to naturally tend to the center of the circle of hovering. As the hovering continues, the end of the pull-wire cable gradually approaches and eventually touches the water surface. At this time, the damping component 13 carried at the end quickly exerts its function and absorbs a large amount of seawater. This behavior not only utilizes the high damping material properties of the damping component 13, but also acts on the main pull-wire roller 8 by increasing the additional gravity caused by water absorption. Under the influence of the damping component 13 absorbing water and increasing weight, the end of the main pull rope 22 roller away from the UAV achieves a nearly stationary state in the water. This state is achieved when a dynamic balance is achieved between the cable tension and the weight at the end. When the ratio of the cable tension to the weight at the end reaches a sufficiently high level and the overall weight of the cable end is large enough, the entire drone-cable-damping assembly 13 system can maintain a stable dynamic balance state on the sea surface. This not only ensures the stability of the rescue equipment, but also provides a solid foundation for subsequent rescue operations.

[0052] In summary, the drone hovers stably with the trapped person as the center, and the dynamic characteristics of the main pull-wire roller 8 make the other end naturally tend to the center of the hovering circle, which helps to ensure that the lifebuoy 15 can be accurately delivered near the trapped person, reducing delays or risks caused by inaccurate delivery positions. By increasing the gravity of the damping component 13 and using high-damping materials, the impact of the seawater environment on the delivery process is effectively addressed. Whether in calm seas or rough seas, the dynamic stability of the system can be maintained to ensure that the lifebuoy 15 can be delivered smoothly.

[0053] Example 2, reference Figure 1-Figure 9, which is the second embodiment of the present invention, is different from the first embodiment in that the release assembly 14 includes a mounting seat 141 fixedly connected to the surface of the arc seat 12 and located at both ends of the connecting strip 26, a groove 142 opened at both ends of the mounting seat 141, and a fixed shaft 143 rotatably connected to the surface of the groove 142. The design of the mounting seat 141 ensures that the entire release assembly 14 can be stably fixed on the arc seat 12, providing reliable support for the subsequent installation of components and the release of the lifebuoy 15. The design of the groove 142 enables the fixed shaft 143 to be stably installed on the mounting seat 141, avoiding the shaking or falling off of the fixed shaft 143, thereby ensuring the stability and reliability of the entire release assembly 14. The fixed shaft 143 not only provides a rotation basis for the rotating part 144 and the clamping part 145, but also ensures that the rotating part 144 and the clamping part 145 can work smoothly and reliably through a stable connection. The introduction of the rotating portion 144 increases the flexibility of the release assembly 14 , so that the angle of the clamping portion 145 can be adjusted according to actual needs, thereby clamping and releasing the lifebuoy 15 more conveniently.

[0054] Compared with the first embodiment, further, the surface of the fixed shaft 143 is fixedly connected with the rotating part 144, the end of the rotating part 144 away from the fixed shaft 143 is fixedly connected with the clamping part 145, the surface of the clamping part 145 is clamped and connected with the lifebuoy 15, and the surface of the rotating part 144 is fixedly connected with the buckle 23. The design of the clamping part 145 enables the lifebuoy 15 to be reliably fixed on the release assembly 14, avoiding the lifebuoy 15 from falling off or shifting during flight or delivery, thereby improving the safety and reliability of rescue. The buckle 23 is connected with the pull rope 22, and the pulling of the pull rope 22 can control the opening and closing angles of the clamping part 145, thereby facilitating the control of the clamping and release of the lifebuoy 15.

[0055] Furthermore, a support plate 146 is fixedly connected to the surface of the clamping portion 145 , a spring 149 is fixedly connected to the surface of the support plate 146 , and one end of the spring 149 away from the support plate 146 is fixedly connected to the surface of the groove 142 above the fixed shaft 143 .

[0056] The design of the support plate 146 provides a reliable installation base for the spring 149, so that the spring 149 can exert its elastic effect, and at the same time avoid the shaking or falling off of the spring 149, thereby ensuring the stability and reliability of the entire release assembly 14. Through the elastic force of the spring 149, the clamping part 145 can automatically open after unlocking, thereby realizing the quick and convenient release of the lifebuoy 15, which not only improves the efficiency of rescue, but also reduces the difficulty and labor intensity of the operator.

[0057] The design of the clamping part 145 incorporates specific elastic and frictional properties to ensure that the lifebuoy 15 can be firmly clamped. In actual operation, the operator will place the lifebuoy 15 in the best position of the clamping part 145 and apply a slight pressing force. At this time, the spring 149 uses its excellent elastic properties to help the clamping part 145 tightly and evenly wrap the lifebuoy 15 to ensure that it will not loosen or fall off during flight.

[0058] When the drone reaches the air above the trapped person and begins to hover stably, the damping assembly 13 will cleverly adjust its position to make it closer to the trapped person to ensure the release of the lifebuoy 15. Subsequently, the dual-axis motor 7 is started to control the rotation of the outer shaft 71. The copper wire on the outer shaft 71 acts as a transmission medium to further guide the entire arc seat 12 to slowly descend. In this process, the arc seat 12, the arc plate 11 closely connected thereto, and the connecting strip 26 will work together to slowly slide the lifebuoy 15 down to the front of the trapped person in a smooth and orderly manner along the pull line on the main pull line roller 8.

[0059] In summary, when the UAV reaches the trapped person and hovers stably, through the precise adjustment of the damping component 13, the rapid response of the dual-axis motor 7 and the guidance of the copper wire transmission medium, the entire arc seat 12 and the arc plate 11 and connecting strip 26 connected thereto can smoothly and orderly slide the lifebuoy 15 to the trapped person. This process not only improves the accuracy and efficiency of rescue, but also significantly enhances safety, reduces the difficulty of operation, and demonstrates good adaptability to complex environments and rescue flexibility.

[0060] The remaining structures are the same as those of Example 1.

[0061] Example 3, reference Figure 1-Figure 10 , which is the third embodiment of the present invention. This embodiment is different from the second embodiment in that: a hidden groove 147 is provided on the surface of the mounting seat 141, a bearing plate 28 is fixedly connected to the surface of the hidden groove 147, a positioning column 17 is fixedly connected to the surface of the hidden groove 147, a slide 16 is slidably connected to the surface of the positioning column 17, and a spring 18 is provided between the top of the inner wall of the slide 16 and the top of the positioning column 17 away from the bottom plate 132.

[0062] Compared with Example 2, further, the side wall of the slide cylinder 16 is fixedly connected with two tooth plates 19, the surfaces of the two tooth plates 19 are meshingly connected with gears 20, the surface of the gear 20 is fixedly connected with a rotating shaft 21 that passes through and is rotatably connected to the supporting plate 28, the end of the rotating shaft 21 away from the gear 20 is fixedly connected with a pull rope 22, and the end of the pull rope 22 away from the rotating shaft 21 is fixedly connected to the buckle 23.

[0063] When the life buoy 15 is dropped into the seawater and contacts the seawater, the life buoy 15 will be subjected to an upward force due to the buoyancy of the seawater and the impact force that may be generated on the bottom of the life buoy 15. This force will cause the top surface of the life buoy 15 to squeeze the pre-set pressing column 148. After being squeezed, the pressing column 148 will move downward and drive the slide 16 connected to it to slide on the surface of the positioning column 17. During this process, the spring 18 will be compressed, store energy, and wait for the subsequent reset operation. At the same time, the two tooth plates 19 fixedly connected to the side wall of the slide 16 will also move accordingly.

[0064] The movement of the toothed plate 19 will mesh with the gear 20, thereby driving the rotation of the gear 20. The rotation of the gear 20 is further realized on the bearing plate 28 through the rotating shaft 21 fixedly connected to the surface thereof. The rotation of the rotating shaft 21 will pull the pull rope 22 connected thereto, and the other end of the pull rope 22 is fixedly connected to the buckle 23. Therefore, the pulling of the pull rope 22 will unlock the buckle 23, thereby causing the clamping part 145 to lose its clamping force on the lifebuoy 15. At this time, due to the buoyancy of the sea water, the lifebuoy 15 will automatically detach from the clamping part 145 and float on the sea surface for the trapped person to grab.

[0065] In the process of grabbing the lifebuoy 15, the physical condition of the trapped person is fully considered. Specifically, on the one hand, when the trapped person's physical strength decreases, the automatic release function of the lifebuoy 15 becomes particularly important. This design can reduce the physical burden of the trapped person when grabbing the lifebuoy 15, avoid the failure to successfully grab the lifebuoy 15 due to physical exhaustion, and thus prevent the danger of being washed away by the sea water. The automatic release function is realized through a mechanical transmission mechanism. When the lifebuoy 15 contacts the sea water, a series of chain reactions will be triggered, and finally the lifebuoy 15 will automatically detach from the clamping part 145 and float on the sea surface for the trapped person to grab.

[0066] On the other hand, when the trapped persons have normal physical strength, they can choose to wait for the automatic release of the lifebuoy 15, or try to manually grab the lifebuoy 15. This design provides more selectivity and flexibility, ensuring that the trapped persons can obtain the lifebuoy 15 in the most suitable way for themselves under different physical conditions.

[0067] In summary, this design not only improves the efficiency of the release of the lifebuoy 15, but also fully considers the actual situation of the trapped persons, and greatly improves the survival probability of the trapped persons by combining the two methods of automatic release and manual grabbing.

[0068] The remaining structure is the same as that of Example 2.

[0069] Importantly, it should be noted that the construction and arrangement of the present application shown in a plurality of different exemplary embodiments are only exemplary. Although only a few embodiments are described in detail in this disclosure, it should be readily understood by those who refer to this disclosure that many modifications are possible (e.g., the size, scale, structure, shape and proportion of various elements, as well as parameter values ​​(e.g., temperature, pressure, etc.), mounting arrangements, use of materials, color, directional changes, etc.) without substantially departing from the novel teachings and advantages of the subject matter described in the application. For example, the element shown as integrally formed can be composed of multiple parts or elements, the position of the element can be inverted or otherwise changed, and the nature or number or position of the discrete element can be changed or changed. Therefore, all such modifications are intended to be included in the scope of the present invention. The order or sequence of any process or method steps can be changed or reordered according to alternative embodiments. In the claims, any "device plus function" clause is intended to cover the structure described herein that performs the function, and is not only structurally equivalent but also equivalent structure. Without departing from the scope of the present invention, other replacements, modifications, changes and omissions can be made in the design, operating conditions and arrangement of the exemplary embodiments. Therefore, the invention is not limited to a specific embodiment, but extends to numerous modifications still falling within the scope of the appended claims.

[0070] Additionally, in order to provide a concise description of exemplary embodiments, all features of an actual embodiment (ie, those features that are not relevant to the best mode presently contemplated for carrying out the invention or those that are not relevant to implementing the invention) may not be described.

[0071] It should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention rather than to limit it. Although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present invention may be modified or replaced by equivalents without departing from the spirit and scope of the technical solutions of the present invention, which should all be included in the scope of the claims of the present invention.

Claims

1. A material fixing device for unmanned aerial vehicle lifting, comprising: a data control box (1), a wing (24) fixedly connected to the data control box (1), and a fan blade (25) rotatably connected to the wing (24); Features: Also includes, A damping structure, the damping structure comprising a control seat (2) fixedly connected to the bottom of the data control box (1), a hydraulic cylinder (3) fixedly connected to the control seat (2) and arranged in a circle on the surface of the control seat (2), a hydraulic rod (4) slidably and telescopically connected to the hydraulic cylinder (3), a fixed seat (5) fixedly connected to the end of the hydraulic rod (4) away from the hydraulic cylinder (3), three partition plates (6) fixedly connected to the surface of the fixed seat (5), two double-axis motors (7) rotatably connected to two adjacent partition plates (6) and in symmetrical positions, an inner shaft (72) fixedly connected to the inner side of the double-axis motor (7) and rotatably connected to the partition plate (6), a main wire-drawing roller (8) fixedly connected to the inner shaft (72), and a damping component (13) fixedly connected to one end of the main wire-drawing roller (8); A release structure, the release structure includes an outer shaft (71) fixedly connected to the outer side of the dual-axis motor (7) and rotatably connected to the partition plate (6), two slave wire-drawing rollers (9) fixedly connected to the outer shaft (71), a triangular plate (10) fixedly connected to the surface of the slave wire-drawing roller (9), an arc seat (12) fixedly connected to the bottom surface of the triangular plate (10), a connecting strip (26) fixedly connected to the surface of the arc seat (12), a guide hole (27) for drawing the wire opened on the surface of the connecting strip (26) and penetrating the surface of the main wire-drawing roller (8), and a release component (14) fixedly connected to the surface of the arc seat (12).

2. The material fixing device for drone lifting according to claim 1 is characterized in that: The surface of the partition plate (6) is fixedly connected to a guide plate 1 (61) adapted to the wire drawing surface of the slave wire drawing roller (9), and the surface of the partition plate (6) is fixedly connected to a guide plate 2 (62) adapted to the wire drawing surface of the main wire drawing roller (8), and a guide groove (63) is provided inside the guide plate 2 (62).

3. The material fixing device for drone lifting according to claim 2 is characterized in that: The damping assembly (13) includes a connecting sleeve (131) fixedly connected to one end of the main wire-pulling roller (8), a base plate (132) fixedly connected to the connecting sleeve (131), and a sleeve (133) fixedly connected to the base plate (132). The base plate (132) and the sleeve (133) are made of high-density material, and the end of the sleeve (133) away from the base plate (132) is designed to be open.

4. The material fixing device for drone lifting according to claim 3 is characterized in that: The surface of the bottom plate (132) is fixedly connected with a containing frame (135) arranged in a circular array on the surface of the bottom plate (132); one end of the containing frame (135) away from the center of the bottom plate (132) is fixedly connected to the inner wall of the sleeve (133); and a mounting hole (138) is arranged at the center point of the circular array of the containing frame (135).

5. The material fixing device for drone lifting according to claim 4 is characterized in that: The surface of the containing frame (135) is detachably connected with a sponge (137); the mounting hole (138) is movably connected with a filter screen (136); the surface of the sleeve (133) is provided with water inlet holes (134) arranged in a circular array with the bottom plate (132) as the center point; A sensor (51) in a symmetrical position is fixedly connected to the surface of the fixed seat (5), and an arc-shaped plate (11) is fixedly connected between adjacent arc-shaped seats (12).

6. The material fixing device for drone lifting according to claim 5 is characterized in that: The release assembly (14) comprises a mounting seat (141) fixedly connected to the surface of the arc seat (12) and located at both ends of the connecting strip (26), grooves (142) opened at both ends of the mounting seat (141), and a fixed shaft (143) rotatably connected to the surface of the groove (142).

7. The material fixing device for unmanned aerial vehicle lifting according to claim 6 is characterized in that: The surface of the fixed shaft (143) is fixedly connected to a rotating portion (144), one end of the rotating portion (144) away from the fixed shaft (143) is fixedly connected to a clamping portion (145), the surface of the clamping portion (145) is clamped and connected to a life buoy (15), and the surface of the rotating portion (144) is fixedly connected to a buckle (23).

8. The material fixing device for drone lifting according to claim 7 is characterized in that: The surface of the clamping portion (145) is fixedly connected to a support plate (146), the surface of the support plate (146) is fixedly connected to a spring 1 (149), and one end of the spring 1 (149) away from the support plate (146) is fixedly connected to the surface of the groove (142) above the fixed shaft (143).

9. The material fixing device for drone lifting according to claim 8 is characterized in that: A concealed groove (147) is provided on the surface of the mounting seat (141), a bearing plate (28) is fixedly connected to the surface of the concealed groove (147), a positioning column (17) is fixedly connected to the surface of the concealed groove (147), a slide cylinder (16) is slidably connected to the surface of the positioning column (17), and a spring 2 (18) is provided between the top of the inner wall of the slide cylinder (16) and the top of the positioning column (17) away from the bottom plate (132).

10. The material fixing device for drone lifting according to claim 9, characterized in that: Two tooth plates (19) are fixedly connected to the side wall of the slide cylinder (16), and the surfaces of the two tooth plates (19) are meshingly connected with gears (20). The surface of the gear (20) is fixedly connected with a rotating shaft (21) that passes through and is rotatably connected to the supporting plate (28). The end of the rotating shaft (21) away from the gear (20) is fixedly connected with a pull rope (22), and the end of the pull rope (22) away from the rotating shaft (21) is fixedly connected to the buckle (23).

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