Amphibious unmanned aerial vehicle

Abstract

The invention relates to the technical field of unmanned aerial vehicles, in particular to an amphibious unmanned aerial vehicle which comprises an unmanned aerial vehicle body and two supporting frames fixedly arranged on a bottom plate of the unmanned aerial vehicle body, an upper carrying frame and a lower carrying frame are arranged between the two supporting frames, and the upper carrying frame is arranged above the lower carrying frame; the upper carrying frame is fixedly connected with the supporting frame, the height of the lower end of the lower carrying frame in the vertical direction is larger than that of the lower end of the supporting frame, the lower carrying frame and the supporting frame are movably arranged, and a plurality of telescopic assemblies are arranged between the upper carrying frame and the lower carrying frame. The upper end of the telescopic assembly is fixedly connected to the lower end face of the upper carrying frame, and the lower end of the telescopic assembly is fixedly connected to the upper end face of the lower carrying frame. Through the arrangement of the upper carrying frame, the lower carrying frame and the telescopic assembly, bumping can be avoided, and therefore the unmanned aerial vehicle body is protected.

Description

Technical Field

[0001] The present invention relates to the technical field of unmanned aerial vehicles, and in particular to an amphibious unmanned aerial vehicle. Background Art

[0002] Amphibious drones are drones that can take off and land on water and land to perform tasks. They usually have a waterproof design and buoyancy devices, which allow them to float on the water and perform take-off and landing operations. At the same time, amphibious drones also have similar flight capabilities and functions as land drones.

[0003] When the existing machine body is in operation, a carrier frame is provided at the bottom to support the machine body to be placed statically on land, and a motor is provided in the machine body, and the motor shaft of the motor can drive the carrier frame to rotate and adjust the operation direction. When the machine body lands on the water surface and travels, the bottom of the machine body and the carrier frame are usually immersed in the water body and glide. The buoyancy of the machine body comes from the operation of the fan blades at its flight end, and then the machine body is driven to glide on the water surface through the force of the fan blades. However, when the machine body is operating on the water surface, it is easily affected by factors such as waves of the water flow. Specifically, since the carrier frame and the machine body are an integral structure, the carrier frame slides on the water surface during the forward movement of the machine body. When there are waves on the water surface, the machine body will move up and down with the waves through the carrier frame. Therefore, when the waves are severe, the machine body will be violently bumped, which will cause damage to the machine body. In order to solve the above problems, the present invention proposes an amphibious unmanned aerial vehicle. Summary of the invention

[0004] To achieve the above-mentioned purpose, the present invention provides an amphibious unmanned aerial vehicle, comprising an unmanned aerial vehicle body, and two support frames fixedly arranged on the bottom plate of the unmanned aerial vehicle body, an upper riding frame and a lower riding frame are arranged between the two support frames, the upper riding frame is arranged above the lower riding frame, and the upper riding frame is fixedly connected to the support frames, the lower end of the lower riding frame is higher in the vertical direction than the lower end of the support frames, and the lower riding frame is movably arranged with the support frames, a plurality of telescopic components are arranged between the upper riding frame and the lower riding frame, the upper end of the telescopic component is fixedly connected to the lower end surface of the upper riding frame, and the lower end of the telescopic component is fixedly connected to the upper end surface of the lower riding frame, when the unmanned aerial vehicle moves on the water surface, the lower riding frame will move toward the upper riding frame due to the impact of waves.

[0005] Optionally, a plurality of the telescopic components are arranged in two rows along the length direction of the upper carrier, the two rows of the telescopic components are arranged parallel to each other, and the two rows of the telescopic components are arranged symmetrically about the horizontal center line of the upper carrier, wherein the telescopic component includes a telescopic rod, a telescopic cylinder and a telescopic spring, the telescopic rod is movably inserted in the telescopic cylinder, the telescopic spring is wound outside the telescopic rod, and the two ends of the telescopic spring are respectively fixedly connected to the side wall of the telescopic rod and the outer side wall of the telescopic cylinder.

[0006] Optionally, it also includes a first driving mechanism arranged on the upper carrier, the first driving mechanism includes a driving motor arranged at the tail of the upper carrier, the driving end of the driving motor is inclined in a direction close to the lower carrier, the driving end of the driving motor is fixedly connected to a rotating rod, the inclined lower end of the rotating rod is fixedly connected to a propeller, and the lower end of the propeller is arranged at a lower height in the vertical direction than the lower end of the lower carrier.

[0007] Optionally, it also includes a second driving mechanism arranged on the upper carrier, the second driving mechanism is used to drive the first driving mechanism to move up and down along the axial direction of the rotating rod, so as to realize that the height of the lower end of the propeller in the vertical direction is lower than or higher than the lower end of the lower carrier, the second driving mechanism includes a movable groove opened on the upper carrier, the driving motor is movably arranged in the movable groove, a driving cylinder arm is fixedly connected to one end of the driving motor located in the movable groove, the inclined upper end of the driving cylinder arm is fixedly connected to the driving end of the driving cylinder, and the driving cylinder is fixedly arranged on the upper carrier.

[0008] Optionally, it also includes a control mechanism arranged between the upper carrier and the lower carrier, the control mechanism includes a first electrode contact piece, the first electrode contact piece is fixedly arranged on the inner top wall of a fixed box, the fixed box is fixedly arranged on the lower end surface of the upper carrier, a second electrode contact piece is arranged below the first electrode contact piece, the second electrode contact piece is fixedly arranged on the upper end surface of a first supporting plate, the first supporting plate is movably arranged in the fixed box, a moving rod is fixedly connected to the lower end surface of the first supporting plate, the moving rod is movably inserted into the bottom plate of the fixed box, and the moving rod is connected to the upper end surface of the lower carrier.

[0009] Optionally, the control mechanism also includes a guide locking assembly disposed between the moving rod and the lower passenger carrier and used to connect the moving rod and the lower passenger carrier, the guide locking assembly including a guide locking rod, a guide locking cylinder and a guide locking spring, the guide locking rod being movably inserted into the guide locking cylinder, the guide locking spring being wound outside the guide locking rod, one end of the guide locking spring being fixedly connected to the side wall of the guide locking rod, and the other end of the guide locking spring being fixedly connected to the outer side wall of the guide locking cylinder.

[0010] Optionally, it also includes a first locking mechanism, which includes a first movable groove opened on the first supporting plate, and a locking rod movably arranged in the first movable groove, one end of the locking rod is fixedly connected to a connecting spring, the free end of the connecting spring is fixedly connected to the side wall of the first movable groove, and the other end of the locking rod is fixedly connected to a magnet block. The first locking mechanism also includes a second movable groove opened on the side panel of the fixed box, an electromagnet is arranged in the second movable groove, and a rubber pad is fixedly connected to one end of the electromagnet facing the fixed box.

[0011] Optionally, it also includes a second locking mechanism, which includes two floating assemblies arranged on the outside of the support frame, the two floating assemblies are respectively arranged on both sides of the drone body, and the lower end of the floating assembly is higher in the vertical direction than the lower end of the support frame, and a connecting plate connected to the side wall of the floating assembly, the connecting plate passes through the support frame and the moving hole to extend into the interior of the support box, the moving hole is opened on the support box, the support box is fixedly set on the upper end surface of the upper carrier, one end of the connecting plate located in the support box is fixedly connected to the second supporting plate, the second supporting plate is movably set in the supporting box, and one end of the reset assembly is fixedly connected to the upper end surface of the second supporting plate, the other end of the reset assembly is fixedly connected to the inner top wall of the support box, the side wall of the second supporting plate is fixedly connected to a slider, the slider is movably set in the sliding hole, the sliding hole is opened on the supporting box, a connecting soft rod is hinged on the slider, the connecting soft rod movably passes through the top plate of the upper carrier and extends into the moving groove, and one end of the connecting soft rod located in the moving groove is hinged to the drive motor.

[0012] Optionally, the floating assembly includes a first floating board, and a second floating board and a third floating board that are arranged at opposite ends of the first floating board, the second floating board and the third floating board are symmetrically arranged about the vertical center line of the first floating board, the second floating board and the third floating board are fixedly connected to a telescopic plate on one side close to the first floating board, the first floating board is provided with a telescopic groove, the telescopic plate is movably inserted in the telescopic groove, one end of the telescopic plate located in the telescopic groove is fixedly connected to a reset spring, and the free end of the reset spring is fixedly connected to the side wall of the telescopic groove.

[0013] Optionally, the floating assembly also includes two arc-shaped plates fixedly arranged on the lower end surfaces of the second floating plate and the third floating plate respectively, a liquid storage cavity is formed between the two arc-shaped plates, the cavity body of the liquid storage cavity is a bowl-shaped structure, and a liquid inlet gap is formed between the two arc-shaped plates near the lower ends, the liquid inlet gap is interconnected with the liquid storage cavity, and the gap size of the liquid inlet gap is smaller than the cavity size of the liquid storage cavity, and the two arc-shaped plates form a trumpet-shaped structure.

[0014] The beneficial effects of the present invention are as follows: The present invention improves the existing passenger carrier structure. The improved passenger carrier comprises a lower passenger carrier that can move toward an upper passenger carrier in a vertical direction, and a telescopic component arranged between the upper passenger carrier and the lower passenger carrier. In this way, when the UAV moves forward on the water surface, the lower passenger carrier contacts the water surface. When the lower passenger carrier is hit by waves, it moves toward the upper passenger carrier. The force of the movement is very small when it is transmitted to the upper passenger carrier under the mitigation effect of the telescopic component, and is insufficient to push the UAV body through the upper passenger carrier to move up and down with the waves, thereby avoiding the bumping of the UAV body and protecting the UAV body. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 The schematic diagram of the structure of the amphibious UAV of the present invention is that an upper carrier and a lower carrier are arranged on the inner side of a support frame; Figure 2 The amphibious unmanned aerial vehicle of the present invention Figure 1 A schematic diagram of the enlarged structure in the middle; Figure 3 The amphibious unmanned aerial vehicle of the present invention Figure 1 Schematic diagram of the tail structure of the upper and lower carriages; Figure 4 The amphibious unmanned aerial vehicle of the present invention Figure 3 Schematic diagram of the internal structure of the middle and upper carriage; Figure 5 It is a schematic structural diagram of a control mechanism disposed between an upper carrier and a lower carrier in the amphibious UAV of the present invention; Figure 6 It is a schematic structural diagram of a first locking mechanism disposed inside a control mechanism in the amphibious UAV of the present invention and used for locking a first electrode contact piece and a second electrode contact piece; Figure 7 The amphibious unmanned aerial vehicle of the present invention Figure 6 Middle B is an enlarged schematic diagram of the structure; Figure 8 It is a schematic structural diagram of a second locking mechanism for maintaining the relative height between the drone body and the water surface in the amphibious drone of the present invention; Fig. 9 The amphibious unmanned aerial vehicle of the present invention Figure 8 A schematic structural diagram of the second locking mechanism; Fig.10 The amphibious unmanned aerial vehicle of the present invention Fig. 9 Schematic diagram of the internal partial structure of the middle support box; Fig.11 This is a schematic diagram of the structure of the connection between the soft rod and the drive motor in the amphibious drone of the present invention; Fig.12 The figure is a schematic diagram of the structure of the floating assembly in the amphibious drone of the present invention.

[0016] Description of Reference Numerals UAV body 1, support frame 2, upper carrier 3, lower carrier 4, telescopic assembly 5, telescopic rod 51, telescopic cylinder 52, telescopic spring 53, first driving mechanism 6, propeller 61, rotating rod 62, driving motor 63, second driving mechanism 7, moving slot 71, driving cylinder arm 72, driving cylinder 73, control mechanism 8, first electrode contact piece 81, fixing box 82, second electrode contact piece 83, first supporting plate 84, moving rod 85, guide locking assembly 86, guide locking rod 861, guide locking cylinder 862, guide locking spring 863, first locking mechanism 9, The first movable groove 91, the locking rod 92, the connecting spring 93, the magnet block 94, the second movable groove 95, the electromagnet 96, the rubber pad 97, the second locking mechanism 10, the floating assembly 101, the first floating plate 1011, the second floating plate 1012, the third floating plate 1013, the telescopic groove 1014, the telescopic plate 1015, the return spring 1016, the arc plate 1017, the liquid inlet gap 1018, the liquid storage chamber 1019, the connecting plate 102, the movable hole 103, the supporting box 104, the second supporting plate 105, the slider 106, the sliding hole 107, and the connecting soft rod 108. DETAILED DESCRIPTION

[0017] In order to make the purpose, technical solutions and advantages of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, rather than all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention. Unless otherwise defined, the technical terms or scientific terms used herein should be understood by people with general skills in the field to which the present invention belongs. "Including" and similar words used in this article mean that the elements or objects appearing before the word include the elements or objects listed after the word and their equivalents, without excluding other elements or objects.

[0018] In view of the problems existing in the prior art, an embodiment of the present invention provides an amphibious drone that can operate on the water surface and can also be parked and used on land. Figure 1 As shown, the amphibious UAV includes a UAV body 1, and two support frames 2 fixedly arranged on the bottom plate of the UAV body 1. The function of the support frames 2 is to support the UAV body 1 when the UAV is parked on land; an upper carrier frame 3 and a lower carrier frame 4 are arranged between the two support frames 2. The upper carrier frame 3 and the lower carrier frame 4 are arranged to support the UAV body 1 when the UAV is parked on the water surface. It can be seen that the amphibious UAV described in the present invention can realize the mutual conversion of the two modes of water and land.

[0019] In one example, Figure 1As shown, the upper carrier 3 is arranged above the lower carrier 4, and the upper carrier 3 is fixedly connected to the support frame 2, the lower end of the lower carrier 4 is arranged at a higher height in the vertical direction than the lower end of the support frame 2, and the lower carrier 4 and the support frame 2 are movably arranged. This arrangement can prevent the lower carrier 4 from affecting the supporting process of the support frame 2 when the drone is parked on land; a plurality of telescopic components 5 are arranged between the upper carrier 3 and the lower carrier 4, the upper end of the telescopic component 5 is fixedly connected to the lower end surface of the upper carrier 3, and the lower end of the telescopic component 5 is fixedly connected to the upper end surface of the lower carrier 4. When the drone moves on the water surface, the lower carrier 4 will move toward the upper carrier 3 when hit by waves. It can be seen that in this embodiment The setting of the telescopic component 5 can be used for connecting the upper carrier 3 and the lower carrier 4, so that the lower carrier 4 can move relative to the upper carrier 3. In this way, when the wave hits the lower carrier 4, due to the movement of the lower carrier 4 toward the upper carrier 3, the drone body 1 will not be moved along with it through the upper carrier 3, so that the drone body 1 can be prevented from being jolted when moving forward on the water surface. It is worth noting that the setting of the device is used to reduce the degree of jolting of the drone body 1, so that the drone body 1 can move more smoothly on the water surface; at the same time, the setting of the telescopic component 5 can also buffer the movement force of the lower carrier 4 to the upper carrier 3, so that the movement force transmitted to the upper carrier 3 can be almost negligible, so that the drone body 1 can move more smoothly on the water surface.

[0020] In one embodiment, Figure 2As shown, a plurality of the telescopic components 5 are arranged in two rows along the length direction of the upper carrier 3 (which can be connected to the horizontal direction), and the number of the telescopic components 5 in each row can be set to 2, 3 or more; the two rows of telescopic components 5 are arranged in parallel with each other, and the two rows of telescopic components 5 are symmetrically arranged about the horizontal center line of the upper carrier 3. The arrangement of the two rows of telescopic components 5 can, on the one hand, reduce the obstruction of water, so that the UAV can run more smoothly on the water surface, and on the other hand, reduce the problem of equipment damage caused by water impact. In actual work, the front telescopic component 5 is subjected to the greatest impact force of water, and the impact force of water on the rear is almost completely offset by the front telescopic component 5. The telescopic component 5 bears, so the damage to the rear telescopic component 5 when the drone is moving is almost negligible, thereby making it usable for a longer time; wherein, the telescopic component 5 includes a telescopic rod 51, a telescopic tube 52 and a telescopic spring 53, the telescopic rod 51 is movably inserted in the telescopic tube 52, the telescopic spring 53 is wound and arranged outside the telescopic rod 51, and the two ends of the telescopic spring 53 are respectively fixedly connected to the side wall of the telescopic rod 51 and the outer side wall of the telescopic tube 52. When working, when the lower carrier 4 moves toward the upper carrier 3, the telescopic rod 51 will move into the telescopic tube 52. At this time, the telescopic spring 53 is compressed, thereby buffering the movement force of the lower carrier 4 to the upper carrier 3.

[0021] In order to enable the drone to move on the water surface, in one embodiment, Figure 3 As shown, the amphibious UAV also includes a first driving mechanism 6 arranged on the upper carrier 3. In this embodiment, the first driving mechanism 6 is arranged on the upper carrier 3, but not on the lower carrier 4. The purpose is to avoid that the up and down movement of the lower carrier 4 will not affect the driving direction of the first driving mechanism 6, so that the UAV can move more smoothly on the water surface; the first driving mechanism 6 includes a driving motor 63 arranged at the tail of the upper carrier 3, the driving end of the driving motor 63 is inclined toward the direction close to the lower carrier 4, the driving end of the driving motor 63 is fixedly connected to a rotating rod 62, and the inclined lower end of the rotating rod 62 is fixedly connected to a propeller 61, and the lower end of the propeller 61 is arranged at a lower height in the vertical direction than the lower end of the lower carrier 4. This arrangement ensures that the UAV can be provided with sufficient movement force through the work of the propeller 61. When working, the start of the driving motor 63 will cause the propeller 61 to rotate through the rotating rod 62, and the rotation of the propeller 61 will push the drone forward or backward.

[0022] In one embodiment, if Figure 4As shown, the amphibious UAV further includes a second driving mechanism 7 disposed on the upper carrier 3, the second driving mechanism 7 is used to drive the first driving mechanism 6 to move up and down along the axial direction of the rotating rod 62 (which can be understood as a direction inclined downward from left to right), so as to achieve that the height of the lower end of the propeller 61 in the vertical direction is lower than or higher than the lower end of the lower carrier 4. Specifically, through the drive of the second driving mechanism 7, when the UAV is working on land, it is necessary to adjust the height of the lower end of the propeller 61 in the vertical direction to be higher than the lower end of the lower carrier 4 to avoid the propeller 61 from affecting the supporting effect of the support frame 2. On the contrary, in water, in order to enable the propeller 61 to provide In order to provide sufficient thrust, it is necessary to adjust the height of the lower end of the propeller 61 in the vertical direction to be lower than the lower end of the lower carrier frame 4; the second driving mechanism 7 includes a movable groove 71 opened on the upper carrier frame 3. It is worth noting that the groove cavity of the movable groove 71 is also inclined, and the inclination angle is consistent with the inclination angle of the rotating rod 62; the driving motor 63 is movably arranged in the movable groove 71, and a driving cylinder arm 72 is fixedly connected to one end of the driving motor 63 located in the movable groove 71, and the inclined upper end of the driving cylinder arm 72 is fixedly connected to the driving end of the driving cylinder 73, and the driving cylinder 73 is fixedly arranged (this fixation can be understood as inlaying) on ​​the upper carrier frame 3.

[0023] When the driving cylinder 73 is started during operation, the first driving mechanism 6 will move upward or downward by driving the cylinder arm 72. When the UAV is working on land, the driving cylinder 73 drives the first driving mechanism 6 to move upward so that the bottom of the propeller 61 is higher than the bottom setting of the support frame 2. When the UAV is working on water, the driving cylinder 73 drives the first driving mechanism 6 to move downward so that the bottom of the propeller 61 is lower than the bottom setting of the support frame 2.

[0024] In order to automatically control the first drive mechanism 6 and the second drive mechanism 7 in the present invention, in one embodiment, Figure 5As shown, the amphibious UAV also includes a control mechanism 8 disposed between the upper carrier 3 and the lower carrier 4, and the control mechanism 8 is used to intelligently control the start and shut down of the first drive mechanism 6 and the second drive mechanism 7; the control mechanism 8 includes a first electrode contact sheet 81, and the first electrode contact sheet 81 is fixedly disposed on the inner top wall of a fixed box 82, and the fixed box 82 is fixedly disposed on the lower end surface of the upper carrier 3, preferably, the fixed box 82 is disposed in the middle of the upper carrier 3; a second electrode contact sheet 83 is disposed below the first electrode contact sheet 81, and the second electrode contact sheet 83 is fixedly disposed on the upper end surface of a first supporting plate 84, and the first supporting plate 84 is movably disposed in the fixed box 82, and the first supporting plate 84 can move up and down in the fixed box 82 in the vertical direction; a moving rod 85 is fixedly connected to the lower end surface of the first supporting plate 84, and the moving rod 85 is movably plugged into the bottom plate of the fixed box 82, and the moving rod 85 is connected to the upper end surface of the lower carrier 4.

[0025] When the UAV moves toward the water surface in the vertical direction, the buoyancy of the water will push the lower carrier 4 to move in the direction of the upper carrier 3. The movement of the lower carrier 4 will drive the moving rod 85 to move upward relative to the fixed box 82. The upward movement of the moving rod 85 will drive the second electrode contact piece 83 to move upward through the first supporting plate 84. When the second electrode contact piece 83 contacts the first electrode contact piece 81, the series circuit is connected. At this time, the driving cylinder 73 starts to work, and the driving cylinder arm 72 pushes the driving motor 63 to move to the lower right in the moving slot 71, thereby driving the driving motor 63 and The rotating rod 62 drives the propeller 61 to move to the lower right until the lower end of the propeller 61 moves to the lower end of the lower carrier 4; while the driving cylinder 73 is working, the driving motor 63 is also started synchronously, and the rotating rod 62 drives the propeller 61 to rotate, thereby providing power for the UAV to move forward on the water surface. It can be seen that the structural design of the UAV in the present invention is reasonable, and within a short time of switching from the land use mode to the water use mode, the UAV can be powered for moving forward on the water surface, thereby improving the efficiency of the UAV working on the water surface, and there is no need to consume waiting time due to adjustment and startup.

[0026] In one example, in order to improve the intelligence of the equipment, a sensor (not shown) is set at the tail of the lower carrier 4. When the sensor senses that the lower end of the propeller 61 moves to the lower end of the lower carrier 4, and this position can provide sufficient thrust for the drone, the drive cylinder 73 is controlled to stop working. It is worth noting that the position sensed by the sensor is a range value.

[0027] In one embodiment, Figure 5As shown, the control mechanism 8 also includes a guide locking assembly 86 which is arranged between the moving rod 85 and the lower carrier frame 4 and is used to connect the moving rod 85 and the lower carrier frame 4. The guide locking assembly 86 includes a guide locking rod 861, a guide locking cylinder 862 and a guide locking spring 863. The guide locking rod 861 is movably inserted into the guide locking cylinder 862, and the guide locking spring 863 is wound around the outside of the guide locking rod 861. One end of the guide locking spring 863 is fixedly connected to the side wall of the guide locking rod 861, and the other end of the guide locking spring 863 is fixedly connected to the outer wall of the guide locking cylinder 862. In one example, after the first electrode contact piece 81 and the second electrode contact piece 83 come into contact, this state needs to be maintained. During this maintaining process, in order to enable the upper carrier 3 and the lower carrier 4 to still have the ability to move up and down relative to each other, a guide locking assembly 86 is provided in this embodiment. When the fixed box 82 and the moving rod 85 remain stationary, the lower carrier 4 can still move upward or downward relative to the upper carrier 3.

[0028] After the first electrode contact sheet 81 and the second electrode contact sheet 83 are in contact, when the UAV is working on the water surface, in order to ensure that the first electrode contact sheet 81 and the second electrode contact sheet 83 are always in contact, in one embodiment, as Figure 6 and Figure 7 As shown, the amphibious UAV further includes a first locking mechanism 9, which is used to lock the contact state of the first electrode contact piece 81 and the second electrode contact piece 83 together when the UAV is working on the water surface after the first electrode contact piece 81 and the second electrode contact piece 83 are in contact. The first locking mechanism 9 includes a first moving groove 91 provided on the first supporting plate 84, and the groove cavity of the first moving groove 91 is arranged along the horizontal direction; and a locking rod 92 movably arranged in the first moving groove 91, one end (which can be understood as the right end) of the locking rod 92 is fixedly connected to a connecting spring 93, and the free end (which can be understood as the right end) of the connecting spring 93 is fixedly connected to the side wall of the first moving groove 91, and the other end (which can be understood as the left end) of the locking rod 92 is fixedly connected to a magnet block 94, and the first locking mechanism 9 also includes a second moving groove 95 provided on the side plate of the fixed box 82, and an electromagnet 96 is arranged in the second moving groove 95, and a rubber pad 97 is fixedly connected to one end of the electromagnet 96 facing the fixed box 82.

[0029] During operation, as the first electrode contact 81 and the second electrode contact 83 come into contact, the electromagnet 96 will also start to generate magnetism. Under the action of the magnetic force, the magnet block 94 will be attracted and the locking rod 92 will move to the left and enter the second movable groove 95. When the left end of the locking rod 92 contacts the rubber pad 97, the locking rod 92 stops moving. At this time, the locking rod 92 hovers in the first movable groove 91 and the second movable groove 95, thereby locking the current position of the first supporting plate 84 and the fixed box 82, and then locking the contact state of the first electrode contact 81 and the second electrode contact 83.

[0030] In this embodiment, in order to make the magnet block 94 more convenient to enter the second moving groove 95, the magnet block 94 is set to a round head structure. In this embodiment, the first locking mechanism 9 is set to one. In order to achieve a better locking effect, the first locking mechanism 9 can be set to two, and the two first locking mechanisms 9 are symmetrically arranged about the vertical center line of the first supporting plate 84. It can also be set to four, and the four first locking mechanisms 9 are respectively arranged on the four surfaces of the first supporting plate 84.

[0031] The structure design of the drone in the present invention is reasonable and intelligent. When the drone is adjusted to the land use mode, the drone will leave the water surface upward. After collecting this signal, the sensor will control the electromagnet 96 to cut off the power, so that the locking rod 92 is pulled by the connecting spring 93 to reset to the right, so that the locking rod 92 retracts into the first moving groove 91, thereby realizing the unlocking process. At this time, since the telescopic component 5 pushes the lower carrier 4 to move away from the upper carrier 3, it will move downward with the second electrode contact piece 83 through the guide locking component 86 and the first supporting plate 84, and separate from the first electrode contact piece 81. At this time, the series circuit is disconnected, and the drive motor 63 stops working. At the same time, the sensor will control the drive cylinder 73 to start in reverse, and pull the drive motor 63 to move to the upper left by the drive cylinder arm 72, so that the lower end of the propeller 61 moves to above the lower end of the lower carrier 4.

[0032] In order to further prevent the drone from bumping on the water surface, in one embodiment, Figure 8 As shown, the amphibious UAV further includes a second locking mechanism 10. The second locking mechanism 10 can, on the one hand, play a supporting role, and cooperate with the upper carrier 3 and the lower carrier 4 to provide support for the UAV, so that the UAV is suspended on the water surface to prevent the UAV from sinking into the water; on the other hand, it can play a better role in preventing bumps.

[0033] In one example, Figure 8 , Fig. 9 , Fig.10 and Fig.11As shown, the second locking mechanism 10 includes two floating components 101 arranged on the outside of the support frame 2, and the two floating components 101 are respectively arranged on both sides of the drone body 1. When working, the floating components 101 extend into the water and glide in the water, and the positions of the floating components 101 and the upper carrier 3 remain unchanged (in the mode of use in water). Since the floating components 101 extend into a certain depth underwater, there is a certain thickness (consistent with the depth dimension) of water above the floating components 101. In this way, when the lower carrier 4 moves upward relative to the upper carrier 3, the floating components 101 are prevented from moving upward due to the gravity of the water, that is, the floating components 101 prevent the upper carrier 3 from moving upward, so that the upper carrier 3 is always on the water surface and maintains a constant height movement with the water surface, so that the bumps and shakes existing when the drone glides on the water surface can be avoided, and the stable movement of the drone on the water surface can be ensured. The lower end of the floating component 101 is arranged at a higher vertical height than the lower end of the support frame 2. This arrangement is to prevent the floating component 101 from affecting the support process of the support frame 2 in the land use mode. And a connecting plate 102 connected to the side wall of the floating component 101, the connecting plate 102 passes through the support frame 2 and the moving hole 103 and extends to the interior of the support box 104, the moving hole 103 is opened on the support box 104, and the support box 104 is fixedly set on the upper end surface of the upper carrier 3, one end of the connecting plate 102 located in the support box 104 is fixedly connected to the second supporting plate 105, the second supporting plate 105 is movably set in the support box 104, and one end of a reset component (not shown) is fixedly connected to the upper end surface of the second supporting plate 105, and the other end of the reset component is fixedly connected to the inner top wall of the support box 104. The setting of the reset component is used to support the movement of the second supporting plate 105 on the one hand, so that the second supporting plate 105 can only move in the vertical direction, and on the other hand, it provides power for the upward reset movement of the second supporting plate 105. In one example, the reset component is a spring, but it is not limited to a spring.

[0034] In one example, Fig.10As shown, the side wall of the second supporting plate 105 is fixedly connected with a slider 106, and the slider 106 is movably arranged in a sliding hole 107, and the sliding hole 107 is provided on the supporting box 104. A connecting soft rod 108 is hinged on the slider 106, and the connecting soft rod 108 is movably extended through the top plate of the upper carrier 3 into the moving groove 71, and one end of the connecting soft rod 108 located in the moving groove 71 is hinged on the driving motor 63. The setting of this example is used to improve the high efficiency performance of the equipment, and at the same time, the number of power sources added to the equipment can be reduced to achieve the effect of reducing production costs. Specifically, the movement of the second supporting plate 105 can be linked with the movement of the driving motor 63. The movement of the driving motor 63 to the lower right is to adjust the drone to the water surface use mode. In the water surface use mode, the floating assembly 101 needs to extend below the water surface. It can be seen that the structural design in the present invention is reasonable, and the floating assembly 101 can be adjusted to enter below the water surface during the process of the driving motor 63 being adjusted to the lower right.

[0035] During operation, the movement of the driving motor 63 to the lower right will pull the slider 106 downward in the sliding hole 107 through the connecting soft rod 108. The downward movement of the slider 106 will bring the second supporting plate 105 downward. The movement of the second supporting plate 105 will bring the floating assembly 101 downward through the connecting plate 102, and make the floating assembly 101 extend below the water surface.

[0036] In one embodiment, Fig.12 As shown, the floating assembly 101 includes a first floating board 1011, and a second floating board 1012 and a third floating board 1013 which are arranged at opposite ends (which can be understood as the left end and the right end) of the first floating board 1011, the second floating board 1012 and the third floating board 1013 are symmetrically arranged about the vertical midline of the first floating board 1011, and the second floating board 1012 and the third floating board 1013 are fixedly connected with a telescopic board 1015 on one side close to the first floating board 1011, the first floating board 1011 is provided with a telescopic slot 1014, the telescopic board 1015 is movably inserted in the telescopic slot 1014, and one end of the telescopic board 1015 located in the telescopic slot 1014 is fixedly connected with a return spring 1016, and the free end of the return spring 1016 is fixedly connected to the side wall of the telescopic slot 1014.

[0037] In this embodiment, the second floating board 1012 and the third floating board 1013 can move toward or away from the first floating board 1011 in the horizontal direction. Specifically, when the floating assembly 101 is located on the water surface, the second floating board 1012 and the third floating board 1013 are tightly attached to the first floating board 1011, which can reduce the contact area between the floating assembly 101 and the water surface, so that the resistance of the floating assembly 101 entering the water is smaller. When the floating assembly 101 moves into the water, the second floating board 1012 and the third floating board 1013 both move away from the first floating board 1011 in the horizontal direction. In order to increase the area of ​​the floating assembly 101, a larger amount of water can be covered above the floating assembly 101, thereby making it more difficult for the floating assembly 101 to move upward, thereby better ensuring the smooth movement of the drone body 1 in the water.

[0038] In this embodiment, the first floating plate 1011, the second floating plate 1012 and the third floating plate 1013 are in a groove-shaped structure, which can surround a larger amount of water, thereby further preventing the upper carrier 3 from moving with the waves, making the movement of the drone body 1 on the water surface more stable.

[0039] In one embodiment, Fig.12 As shown, the floating assembly 101 also includes two arc-shaped plates 1017 fixedly arranged on the lower end surfaces of the second floating plate 1012 and the third floating plate 1013 respectively, and a liquid storage cavity 1019 is formed between the two arc-shaped plates 1017. The cavity of the liquid storage cavity 1019 is a bowl-shaped structure, and a liquid inlet gap 1018 is formed between the two arc-shaped plates 1017 near the lower ends. The liquid inlet gap 1018 is connected to the liquid storage cavity 1019, and the gap size of the liquid inlet gap 1018 is smaller than the cavity size of the liquid storage cavity 1019. The two arc-shaped plates 1017 form a trumpet-shaped structure.

[0040] In this embodiment, the combined structure of the arc plate 1017, the liquid inlet gap 1018 and the liquid storage chamber 1019, as well as the arrangement of the trumpet-shaped structure, can play a guiding role in the initial stage of entering the water surface, reduce the resistance of the floating component 101 to the downward movement, and reduce the resistance of the floating component 101 to enter the water. After the floating component 101 enters the water, due to the increase in the amount of water entering the liquid storage chamber 1019, the two arc plates 1017 will push the second floating board 1012 and the third floating board 1013 to move away from the first floating board 1011, thereby increasing the area of ​​the floating component 101 and increasing the amount of water covered above the floating component 101.

[0041] Although the embodiments of the present invention are described in detail above, it is obvious to those skilled in the art that various modifications and variations can be made to these embodiments. However, it should be understood that such modifications and variations are within the scope and spirit of the present invention as described in the claims. Moreover, the present invention described herein may have other embodiments and may be implemented or realized in a variety of ways.

Claims

1. An amphibious drone, characterized in that: The invention comprises a drone body (1), and two support frames (2) fixedly arranged on the bottom plate of the drone body (1), an upper carrier frame (3) and a lower carrier frame (4) being arranged between the two support frames (2), the upper carrier frame (3) being arranged above the lower carrier frame (4), and the upper carrier frame (3) being fixedly connected to the support frame (2), the lower end of the lower carrier frame (4) being arranged at a higher height in the vertical direction than the lower end of the support frame (2), and the lower carrier frame (4) being movably arranged with the support frame (2), a plurality of telescopic components (5) being arranged between the upper carrier frame (3) and the lower carrier frame (4), the upper end of the telescopic component (5) being fixedly connected to the lower end surface of the upper carrier frame (3), and the lower end of the telescopic component (5) being fixedly connected to the upper end surface of the lower carrier frame (4), and when the drone moves on the water surface, the lower carrier frame (4) will move toward the upper carrier frame (3) when impacted by waves; It also includes a first driving mechanism (6) disposed on the upper carrier (3), the first driving mechanism (6) being used to provide power for the UAV to move on the water surface; It also includes a second driving mechanism (7) disposed on the upper carriage (3), the second driving mechanism (7) being used to drive the first driving mechanism (6) to move up and down along the axis of the rotating rod (62), so as to achieve that the lower end of the propeller (61) is arranged at a height lower than or higher than the lower end of the lower carriage (4) in the vertical direction; The invention also comprises a control mechanism (8) disposed between the upper carriage (3) and the lower carriage (4), the control mechanism (8) being used for controlling the start and stop of the first drive mechanism (6) and the second drive mechanism (7), the control mechanism (8) comprising a first electrode contact piece (81), the first electrode contact piece (81) being fixedly disposed on the inner top wall of a fixed box (82), the fixed box (82) being fixedly disposed on the lower end surface of the upper carriage (3), a second electrode contact piece (83) being disposed below the first electrode contact piece (81), the second electrode contact piece (83) being fixedly disposed on the upper end surface of a first supporting plate (84), the first supporting plate (84) being movably disposed in the fixed box (82), a moving rod (85) being fixedly connected to the lower end surface of the first supporting plate (84), the moving rod (85) being movably plugged into the bottom plate of the fixed box (82), and the moving rod (85) being connected to the upper end surface of the lower carriage (4).

2. The amphibious drone according to claim 1, characterized in that: A plurality of telescopic assemblies (5) are arranged in two rows along the length direction of the upper carrier (3); the two rows of telescopic assemblies (5) are arranged parallel to each other, and the two rows of telescopic assemblies (5) are arranged symmetrically about the horizontal center line of the upper carrier (3); wherein the telescopic assemblies (5) comprise a telescopic rod (51), a telescopic cylinder (52) and a telescopic spring (53); the telescopic rod (51) is movably inserted into the telescopic cylinder (52); the telescopic spring (53) is wound around the outside of the telescopic rod (51); and two ends of the telescopic spring (53) are respectively fixedly connected to the side wall of the telescopic rod (51) and the outer side wall of the telescopic cylinder (52).

3. The amphibious drone according to claim 1, characterized in that: The first driving mechanism (6) comprises a driving motor (63) arranged at the rear of the upper carrier (3), the driving end of the driving motor (63) being arranged obliquely in a direction close to the lower carrier (4), the driving end of the driving motor (63) being fixedly connected to a rotating rod (62), and the inclined lower end of the rotating rod (62) being fixedly connected to a propeller (61).

4. The amphibious drone according to claim 1, characterized in that: The second driving mechanism (7) comprises a movable groove (71) provided on the upper carrier (3), the driving motor (63) being movably arranged in the movable groove (71), a driving cylinder arm (72) being fixedly connected to one end of the driving motor (63) located in the movable groove (71), the inclined upper end of the driving cylinder arm (72) being fixedly connected to the driving end of the driving cylinder (73), and the driving cylinder (73) being fixedly arranged on the upper carrier (3).

5. The amphibious drone according to claim 1, characterized in that: The control mechanism (8) further comprises a guide locking assembly (86) which is arranged between the moving rod (85) and the lower carriage (4) and is used to connect the moving rod (85) and the lower carriage (4); the guide locking assembly (86) comprises a guide locking rod (861), a guide locking cylinder (862) and a guide locking spring (863); the guide locking rod (861) is movably inserted into the guide locking cylinder (862); the guide locking spring (863) is wound around the outside of the guide locking rod (861); one end of the guide locking spring (863) is fixedly connected to the side wall of the guide locking rod (861); and the other end of the guide locking spring (863) is fixedly connected to the outer side wall of the guide locking cylinder (862).

6. The amphibious UAV according to claim 1, characterized in that: The invention also comprises a first locking mechanism (9), wherein the first locking mechanism (9) comprises a first movable groove (91) formed on the first supporting plate (84), and a locking rod (92) movably arranged in the first movable groove (91), one end of the locking rod (92) being fixedly connected to a connecting spring (93), the free end of the connecting spring (93) being fixedly connected to a side wall of the first movable groove (91), and the other end of the locking rod (92) being fixedly connected to a magnet block (94), and the first locking mechanism (9) further comprises a second movable groove (95) formed on a side plate of the fixed box (82), an electromagnet (96) being arranged in the second movable groove (95), and one end of the electromagnet (96) facing the inside of the fixed box (82) being fixedly connected to a rubber pad (97).

7. The amphibious drone according to claim 4, characterized in that: The invention also comprises a second locking mechanism (10), the second locking mechanism (10) comprising two floating components (101) arranged outside the support frame (2), the two floating components (101) being arranged on both sides of the drone body (1), respectively, and the lower ends of the floating components (101) being arranged at a higher height in the vertical direction than the lower ends of the support frame (2), and a connecting plate (102) connected to the side wall of the floating components (101), the connecting plate (102) passing through the support frame (2) and the moving hole (103) and extending into the interior of the supporting box (104), the moving hole (103) being provided on the supporting box (104), the supporting box (104) being fixedly arranged on the upper end surface of the upper carrier frame (3), and the connecting plate (102) being located at one end of the supporting box (104). The second supporting plate (105) is fixedly connected to the second supporting plate (105), the second supporting plate (105) is movably arranged in the supporting box (104), and one end of the reset component is fixedly connected to the upper end surface of the second supporting plate (105), and the other end of the reset component is fixedly connected to the inner top wall of the supporting box (104). The side wall of the second supporting plate (105) is fixedly connected to a slider (106), and the slider (106) is movably arranged in a sliding hole (107). The sliding hole (107) is opened on the supporting box (104). A connecting soft rod (108) is hinged on the slider (106), and the connecting soft rod (108) movably passes through the top plate of the upper carrier (3) and extends into the movable groove (71). One end of the connecting soft rod (108) located in the movable groove (71) is hinged on the driving motor (63).

8. The amphibious drone according to claim 7, characterized in that: The floating assembly (101) comprises a first floating board (1011), and a second floating board (1012) and a third floating board (1013) which are arranged at opposite ends of the first floating board (1011) in abutting relation, the second floating board (1012) and the third floating board (1013) being arranged symmetrically about a vertical midline of the first floating board (1011), a telescopic board (1015) being fixedly connected to one side of the second floating board (1012) and the third floating board (1013) close to the first floating board (1011), a telescopic slot (1014) being provided on the first floating board (1011), the telescopic board (1015) being movably inserted into the telescopic slot (1014), a return spring (1016) being fixedly connected to one end of the (1015) located in the telescopic slot (1014), and a free end of the return spring (1016) being fixedly connected to a side wall of the telescopic slot (1014).

9. The amphibious drone according to claim 8, characterized in that: The floating assembly (101) further comprises two arc-shaped plates (1017) respectively fixedly arranged on the lower end surfaces of the second floating plate (1012) and the third floating plate (1013); a liquid storage cavity (1019) is formed between the two arc-shaped plates (1017); the cavity of the liquid storage cavity (1019) is a bowl-shaped structure; a liquid inlet gap (1018) is formed between the two arc-shaped plates (1017) near the lower ends; the liquid inlet gap (1018) is arranged to communicate with the liquid storage cavity (1019); the gap size of the liquid inlet gap (1018) is smaller than the cavity size of the liquid storage cavity (1019); and the two arc-shaped plates (1017) form a trumpet-shaped structure.

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