Unmanned aerial vehicle with fast leveling function and corresponding unmanned aerial vehicle leveling method

Abstract

The application provides a kind of unmanned plane with fast leveling function and corresponding unmanned plane leveling method, unmanned plane includes main body frame, battery, leveling frame and fixed frame.Leveling frame is movably connected to mounting surface and fixes battery.Fixed frame is detachably connected with leveling frame or with main body frame.One side of fixed frame is provided with convex leveling convex part, when connecting column of fixed frame is connected with connecting hole of main body frame, support center of leveling convex part is located on vertical line of geometric center of multiple rotors of unmanned plane.The application sets fixed frame with convex leveling convex part, when it is connected at bottom of unmanned plane, support center is aligned with geometric center of unmanned plane rotor, can assist user to quickly physically level overall gravity center of unmanned plane, reduce burden of flight control system, improve stability of flight control.At the same time, fixed frame can also cooperate with leveling frame to enhance fixation of battery, avoid battery loosening, and have double functions of fixation and leveling.

Description

Technical Field

[0001] This invention relates to the field of unmanned aerial vehicles (UAVs), and in particular to a UAV with a rapid leveling function and a corresponding UAV leveling method. Background Technology

[0002] With the rapid development of drone technology and its widespread application in aerial photography, surveying, plant protection, and logistics delivery, the requirements for drone flight stability and control precision are increasing. The degree of alignment between the overall center of gravity of the drone's fuselage, payload, and load-bearing components and its geometric center or dynamic plane directly affects the effectiveness of flight attitude control before takeoff or during flight. A shift in the center of gravity causes inconsistent lift requirements for each rotor, necessitating the flight control system to continuously output a large and asymmetrical thrust difference to maintain balance. This results in the motors and ESCs operating under unbalanced loads for extended periods, increasing overall power consumption, significantly shortening flight time, and reducing the efficiency and lifespan of the power system. Currently, physical leveling of drones mainly relies on manual, rough adjustments of the battery and payload positions or the use of counterweights, resulting in low leveling efficiency and poor leveling performance.

[0003] Therefore, it is necessary to provide a drone with a rapid leveling function and a corresponding drone leveling method to solve the above-mentioned technical problems. Summary of the Invention

[0004] This invention provides a drone with a rapid leveling function and a corresponding drone leveling method to solve the problem of low physical leveling efficiency of drones in the prior art.

[0005] To solve the above-mentioned technical problems, the technical solution of the present invention is: a drone with a rapid leveling function, comprising: The main frame has an installation surface at the top and a landing surface at the bottom. The battery is movably mounted on the mounting surface. A leveling frame, movably connected to the mounting surface, has a level indicator on its upper surface for detecting the current levelness of the UAV; and A fixing frame is detachably connected to the leveling frame or the landing surface, and one side of the fixing frame is provided with an outwardly protruding leveling protrusion; When the mounting bracket is connected to the leveling bracket, it is used to fix the battery between the main frame and the leveling bracket. When the mounting bracket is connected to the landing surface, the support center of the leveling protrusion is located on the vertical line of the geometric center of the multiple rotors of the UAV, so as to assist in leveling the UAV.

[0006] In this invention, when the drone is in a leveling state, the mounting frame is connected to the landing surface, and the user levels the drone by adjusting the position of the battery on the mounting surface; When the drone is in operation, the mounting bracket is connected to the leveling bracket to fix the battery between the main frame and the leveling bracket.

[0007] Specifically, leveling the drone by adjusting the position of the battery on the mounting surface involves adjusting the position of the battery on the mounting surface so that the level data of the level instrument is within a set range.

[0008] In this invention, the landing surface is provided with a plurality of connection holes, and the side of the fixing frame away from the leveling protrusion is provided with a plurality of connecting posts for connecting with the connection holes. The fixing frame is connected to the landing surface through the connection of the connecting posts and the connection holes.

[0009] In this invention, the leveling frame is elastically and movably connected to the mounting surface, and the leveling frame movably limits the battery to the mounting surface of the main frame; When the fixing bracket is connected to the leveling bracket, it can restrict the movement of the leveling bracket, thereby fixing the battery.

[0010] The leveling frame includes a pressure plate, a guide rod, a limiting component, and an elastic component; The guide rod is fixedly connected to the main frame, the pressure plate is slidably connected to the guide rod, the end of the guide rod away from the main frame is connected to the limiting member, the pressure plate is provided with a locking sleeve, the pressure plate is slidably connected to the guide rod through the locking sleeve, the elastic member is provided between the limiting member and the locking sleeve, and the battery is pressed between the pressure plate and the mounting surface; The fixing bracket is connected to the side of the pressure plate opposite to the main frame. The fixing bracket is also connected to the guide rod and the locking sleeve to restrict the sliding of the pressure plate, thereby strengthening the pressure plate's hold on the battery.

[0011] Furthermore, the locking sleeve has a clearance through hole on its circumferential side, and the fixing bracket has an extension plate on its circumferential side. The extension plate passes through the clearance through hole and contacts the guide rod. The thickness of the extension plate is the same as the height of the clearance through hole.

[0012] Furthermore, the outer contour of the pressure plate is rectangular, and the guide rod is connected to each of the four corners of the pressure plate. The extension plate is provided at each of the four corners of the fixing frame, and the outer edge of the extension plate is a convex arc structure. The side of the guide rod facing the clearance hole is a concave surface corresponding to the edge of the extension plate, and an elastic pad layer for pressing contact with the extension plate is provided in the concave surface.

[0013] Furthermore, the fixing frame also includes a cross-shaped body and an annular frame. The cross-shaped body is connected to the inside of the annular frame. The leveling protrusion is located in the middle of the cross-shaped body. The connecting post is disposed on the annular frame. The extension plate is located at the four corners of the annular frame.

[0014] In addition, the pressure plate is provided with an arc-shaped groove corresponding to the connecting column. When the fixing frame is located on the side of the pressure plate away from the main frame and the connecting column is engaged in the arc-shaped groove, the fixing frame can rotate along the arc-shaped groove, so that the extension plate can be rotated and engaged in the clearance through hole.

[0015] Furthermore, the two ends of the arc-shaped groove are the starting end and the ending end, respectively. When the connecting post is located at the starting end, the extension plate is a set distance away from the clearance through hole. When the connecting post is located at the ending end, the extension plate is fitted into the clearance through hole. The leveling frame also includes a lever, a ball bearing, and a spring. The pressure plate has a mounting cavity that connects to the bottom surface of the pressure plate. The lever is rotatably mounted in the mounting cavity, and its rotation axis is parallel to the extension plane of the pressure plate. The first end of the lever is connected to the ball bearing, and the second end of the lever extends to the terminating end in the arc-shaped groove. The spring is located between the first end of the lever and the inner wall of the mounting cavity, and is situated on the side of the ball bearing away from the battery. When the connecting post is located at the starting end, the spring drives the ball to protrude from the bottom surface of the pressure plate. When the connecting post is located at the ending end, the connecting post contacts the second end of the lever, the connecting post squeezes the lever to rotate, the lever squeezes the spring, and the ball retracts into the bottom surface of the pressure plate.

[0016] Preferably, the second end of the lever is provided with a positioning groove for positioning the connecting column, and the side of the positioning groove near the starting end is provided with a guide slope for guiding the connecting column.

[0017] In this invention, the limiting member is a screw threaded to one end of the guide rod, the elastic member is a spring, the elastic member is sleeved on the outer periphery of the guide rod, and the elastic member is limited between the screw head of the limiting member and the locking sleeve.

[0018] In this invention, the main frame is a frame structure, and a connecting groove is provided on the main frame. The connecting groove penetrates the vertical side of the main frame to form an installation port, and the connecting groove penetrates the top surface of the main frame to form a clearance port. A connecting end is provided at the bottom end of the guide rod. The connecting end is inserted into the connecting groove from the installation port, and the guide rod extends through the clearance port to the top of the main frame.

[0019] The present invention also includes a drone leveling method, which levels the aforementioned drone with rapid leveling function, comprising the following steps: S1: Connect the fixing frame to the landing surface of the main frame, and the leveling protrusion is located on the side of the fixing frame away from the landing surface; S2: Use the leveling frame to limit the range of motion of the battery, so as to limit the battery to the mounting surface of the main frame; S3: The drone is supported by the leveling protrusion. Based on the levelness data displayed by the leveling instrument on the leveling frame, the position of the battery on the mounting surface is adjusted so that the levelness data of the leveling instrument is within the set range. S4: Remove the mounting frame from the landing surface; S5: Install the fixing bracket onto the leveling bracket to fix the battery between the main frame and the leveling bracket.

[0020] Compared with the prior art, the beneficial effects of this invention are as follows: The drone with rapid leveling function of this invention is equipped with a fixed frame with an outwardly convex leveling protrusion. When the fixed frame is connected to the bottom of the drone, the support center of the leveling protrusion is aligned with the geometric center of the drone rotor. This can help the user adjust the position of the battery and quickly perform physical leveling of the overall center of gravity of the drone, reducing the burden on the flight control system and improving the stability of flight control.

[0021] The mounting bracket can also work with the leveling bracket to enhance battery stability and prevent loosening, thus providing both fixing and leveling functions. When the mounting bracket is disconnected from the leveling bracket, the leveling bracket's fixing effect on the battery weakens, making it easier for the user to adjust the battery's position between the pressure plate and the mounting surface.

[0022] Furthermore, when the fixing bracket is connected to the leveling bracket (without leveling), the connecting column and the arc-shaped groove form a positioning and guiding fit. The cooperation of the connecting column, lever, ball bearings, and spring allows the ball bearings to retract within the bottom surface of the pressure plate, thus providing stable pressure on the battery. When the fixing bracket is disconnected from the leveling bracket and leveling is required, it protrudes from the bottom surface of the pressure plate, making it easier for the user to move and adjust the battery's position. This simple operation and high leveling efficiency make it convenient. Attached Figure Description

[0023] To more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the drawings used in the embodiments are briefly introduced below. The drawings described below are only the corresponding drawings of some embodiments of the present invention.

[0024] Figure 1This is a schematic diagram of a preferred embodiment of the UAV with rapid leveling function of the present invention.

[0025] Figure 2 This is a schematic diagram of the structure of the UAV with rapid leveling function of the present invention when the mounting bracket is removed.

[0026] Figure 3 This is a schematic diagram of the landing surface side of the UAV with rapid leveling function according to the present invention.

[0027] Figure 4 This is a side view of the UAV with rapid leveling function according to the present invention.

[0028] Figure 5 This is a partial structural diagram of the connection between the guide rod and the connecting groove of the UAV with rapid leveling function according to the present invention.

[0029] Figure 6 This is a partial structural diagram of the lever component of the UAV with rapid leveling function of the present invention.

[0030] Figure 7 This is a flowchart of the drone leveling method of the present invention. Detailed Implementation

[0031] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0032] The directional terms mentioned in this invention, such as "up", "down", "front", "back", "left", "right", "inner", "outer", "side", "top" and "bottom", are only for reference to the orientation of the accompanying drawings. The directional terms used are for the purpose of explaining and understanding this invention, and are not intended to limit this invention.

[0033] The terms "first" and "second" used in the terminology of this invention are for descriptive purposes only and should not be construed as indicating or implying relative importance, nor as limiting the order of events.

[0034] In this invention, unless otherwise explicitly specified and limited, the terms "installation," "connection," "linking," and "fixing," etc., should be interpreted broadly. For example, a connection can be a detachable connection or a connection of an integral structure; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be a connection within two components or an interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this invention according to the specific circumstances.

[0035] In existing technologies, the physical leveling of drones mainly relies on manual rough adjustment of the position of the battery and load or on counterweights, which results in low leveling efficiency and poor leveling effect.

[0036] The following is a preferred embodiment of a UAV with rapid leveling function that can solve the above technical problems provided by the present invention.

[0037] Please refer to Figures 1-4 In the diagram, units with similar structures are represented by the same labels.

[0038] This embodiment provides a drone with a rapid leveling function, which includes a main frame 11, a battery 12, a leveling frame 13, and a fixing frame 14.

[0039] The top of the main frame 11 is the mounting surface, and the bottom is the landing surface.

[0040] The battery 12 is movably mounted on the mounting surface of the main frame 11.

[0041] The leveling frame 13 is movably connected to the mounting surface. A level 16 is mounted on the upper surface of the leveling frame 13 to detect the current levelness of the UAV. The level 16 can be, for example, a bubble level, which uses a bubble to simultaneously indicate whether the surface is level in any 360° direction. It includes a transparent container filled with liquid and a bubble; when the bubble floats precisely in the center of the scale on the transparent container, it indicates that the surface is level. Additionally, the leveling frame 13 also serves to movably limit the battery 12 on the mounting surface of the main frame 11.

[0042] The mounting frame 14 is detachably connected to the leveling frame 13 or to the landing surface of the main frame 11. For example... Figure 1 When the drone is in operation, the fixing frame 14 is connected to the leveling frame 13, which can restrict the movement of the leveling frame 13, thereby fixing the battery 12 and preventing the battery 12 from becoming loose.

[0043] One side of the mounting frame 14 is provided with an outwardly protruding leveling protrusion 141. When the mounting frame 14 is connected to the landing surface of the main frame 11, the support center of the leveling protrusion 141 is located on the vertical line of the geometric center of the multiple rotors 15 of the UAV, so as to assist in leveling the UAV.

[0044] Specifically, when the drone is in the leveling state, the mounting bracket 14 is connected to the landing surface. The user can level the drone by adjusting the position of the battery 12 on the mounting surface. That is, the mounting bracket 14 can be used to assist the user in adjusting the position of the battery 12 so that the center of gravity of the whole drone is located on the vertical line of the geometric center, thereby realizing the rapid physical leveling of the overall center of gravity of the drone, reducing the burden on the flight control system and improving the stability of flight control.

[0045] More specifically, the adjustment involves adjusting the position of battery 12 on the mounting surface so that the level data of the level 16 is within the set range.

[0046] Specifically, in this embodiment, the landing surface is provided with multiple connection holes 111, and the side of the fixing frame 14 facing away from the leveling protrusion 141 is provided with multiple connecting posts for connecting with the connection holes 111. For example... Figure 4 When the connecting post is connected to the connecting hole 111, the support center of the leveling protrusion 141 is located on the vertical line of the geometric center of the multiple rotors 15 of the UAV.

[0047] It should be noted that most consumer and industrial drones are equipped with four rotors, and the technical solution in this embodiment is also applicable to hexacopter or octocopter configurations. Four-rotor drones are characterized by simple structure, high efficiency, long endurance, low cost, and high maneuverability. Taking the four-rotor drone in this embodiment as an example, its geometric center is the intersection of the diagonals between the motors of the four rotors.

[0048] Please refer to Figure 2 In this embodiment, the leveling frame 13 includes a pressure plate 131, a guide rod 132, a limiting member 133, and an elastic member 134.

[0049] The guide rod 132 is fixedly connected to the main frame 11, and the pressure plate 131 is slidably connected to the guide rod 132. One end of the guide rod 132 away from the main frame 11 is connected to a limiting member 133. A locking sleeve 135 is provided on the pressure plate 131, and the pressure plate 131 is slidably connected to the guide rod 132 through the locking sleeve 135, guiding the sliding of the pressure plate 131. An elastic member 134 is disposed between the limiting member 133 and the locking sleeve 135, pressing the battery 12 between the pressure plate 131 and the mounting surface. The elastic member 134 presses the pressure plate 131 down, elastically securing the battery 12.

[0050] The fixing bracket 14 is connected to the side of the pressure plate 131 facing away from the main frame 11. The fixing bracket 14 is also connected to the guide rod 132 and the locking sleeve 135 to restrict the sliding of the pressure plate 131, thereby strengthening the pressure of the pressure plate 131 on the battery 12. This dual fixing mechanism effectively avoids the problem of reduced fixing force caused by fatigue or vibration of the elastic element 134.

[0051] The locking sleeve 135 has a clearance through hole 1351 on its circumferential side, and the fixing bracket 14 has an extension plate 144 on its circumferential side. The extension plate 144 passes through the clearance through hole 1351 and contacts the guide rod 132. The thickness of the extension plate 144 is the same as the height of the clearance through hole 1351, which can ensure that the extension plate 144 and the locking sleeve 135 are stably matched without shaking, and form a stable reinforcement effect on the pressure plate 131.

[0052] Please refer to Figure 1 and Figure 2 More specifically, in this embodiment, the outer contour of the pressure plate 131 is rectangular, and guide rods 132 are connected to the four corners of the pressure plate 131. Extension plates 144 are provided at the four corners of the fixing frame 14, and the outer edge of the extension plate 144 is an outwardly convex arc structure.

[0053] One side of the guide rod 132 facing the clearance through hole 1351 is a concave surface corresponding to the edge of the extension plate 144, and an elastic pad layer for pressing contact with the extension plate 144 is provided in the concave surface.

[0054] Through the elastic deformation of the elastic pad, the extension plate 144 can be stably engaged with the concave surface of the guide rod 132 and form a pre-tightening force, which further enhances the reliability of the connection and locking between the fixing frame 14 and the leveling frame 13.

[0055] The fixing frame 14 in this embodiment also includes a cross-shaped body 143 and an annular frame 142. The cross-shaped body 143 is connected inside the annular frame 142. The leveling protrusion 141 is located in the middle of the cross-shaped body 143. The connecting posts are set on the annular frame 142, and the extension plates 144 are located at the four corners of the annular frame 142. It is an integrated structure and is very stable.

[0056] Please refer to Figure 2 In addition, the pressure plate 131 is provided with an arc-shaped groove 1311 corresponding to the connecting column. When the fixing frame 14 is located on the side of the pressure plate 131 away from the main frame 11 and the connecting column is engaged in the arc-shaped groove 1311, the user can manually rotate the fixing frame 14 so that the fixing frame 14 rotates along the arc-shaped groove 1311. Through this rotation action, the extension plates 144 at the four corners of the fixing frame 14 can gradually rotate and enter the clearance through holes 1351 on the locking sleeve 135, so as to achieve quick and tool-free assembly.

[0057] Specifically, the two ends of the arc groove 1311 are the starting end and the ending end, respectively. When the connecting post is located at the starting end, the extension plate 144 is a set distance away from the clearance through hole 1351. When the connecting post is located at the ending end, the extension plate 144 is fitted into the clearance through hole 1351, and at the same time, the extension plate 144 will form a contact lock with the guide rod 132.

[0058] Please refer to Figure 6 In this embodiment, the leveling frame 13 also includes a lever 136, a ball bearing 137 and a spring 138. The pressure plate 131 has a mounting cavity 1312, which is connected to the bottom surface of the pressure plate 131.

[0059] The lever 136 is rotatably mounted within the mounting cavity 1312. The axis of rotation of the lever 136 is parallel to the extension plane of the pressure plate 131. The first end of the lever 136 is connected to the ball 137, and the second end of the lever 136 extends into the terminating end within the arcuate groove 1311. A spring 138 is disposed between the first end of the lever 136 and the inner wall of the mounting cavity 1312, with the spring 138 located on the side of the ball 137 facing away from the battery 12. That is, the spring 138 applies a force toward the battery 12 to the first end of the lever 136, thereby driving the ball 137 to protrude from the bottom surface of the pressure plate 131.

[0060] When the connecting post is at the starting end, or when the connecting post is disengaged from the arc groove 1311, i.e. when leveling is required, the spring 138 drives the ball 137 to protrude from the bottom surface of the pressure plate 131. At this time, the ball 137 forms a rolling contact with the upper surface of the battery 12. Since the ball 137 can roll freely, the user can easily move the position of the battery 12 under a small external force, thereby facilitating the adjustment of the center of gravity.

[0061] When the connecting post is at the end, i.e., the fixing frame 14 is connected to the leveling frame 13 and no leveling is required, the connecting post contacts the second end of the lever 136. The connecting post drives the lever 136 to rotate, and the first end of the lever 136 is lifted upward and compresses the spring 138. The ball 137 is pulled back and retracts into the bottom surface of the pressure plate 131. At this time, the bottom surface of the pressure plate 131 forms a planar contact with the upper surface of the battery 12. Combined with the pressure of the elastic element 134, the battery 12 is firmly pressed and secured.

[0062] Furthermore, the second end of the lever 136 is provided with a positioning groove 1361 for positioning the connecting post, and a guide slope for guiding the connecting post is provided on the side of the positioning groove 1361 near the starting end. Specifically, the connecting post is guided to press against the second end of the lever 136 and slide into the positioning groove. When the connecting post is located in the positioning groove, the ball 137 retracts into the bottom surface of the pressure plate 131, and the battery 12 can be more firmly pressed.

[0063] In this embodiment, the limiting member 133 is a screw threaded to one end of the guide rod 132, and the elastic member 134 is a spring 138. The elastic member 134 is sleeved on the outer periphery of the guide rod 132, and is limited between the screw head of the limiting member 133 and the locking sleeve 135. By turning the limiting member 133, the elastic compressive force of the elastic member 134 on the pressure plate 131 can be adjusted.

[0064] Please refer to Figure 5 In this embodiment, the main frame 11 is a frame structure. The main frame 11 is provided with a connecting groove 112. The connecting groove 112 penetrates the vertical side of the main frame 11 to form an installation port. The connecting groove 112 penetrates the top surface of the main frame 11 to form a clearance port. The bottom end of the guide rod 132 is provided with a connecting end 1321. The connecting end 1321 is inserted into the connecting groove 112 from the installation port. The guide rod 132 passes through the clearance port and extends to the top of the main frame 11. Without additional fasteners, the guide rod 132 can be conveniently fixedly connected to the main frame 11.

[0065] It should be noted that the outer diameter of the connecting end 1321 is larger than the outer diameter of the guide rod 132, and the inner wall of the connecting groove 112 is provided with a slot for engaging with the connecting end 1321.

[0066] It can be understood that the mounting openings of the connecting grooves 112 on both sides of the main frame 11 face opposite directions. After the four guide rods 132 are connected to the pressure plate 131, the guide rods 132 cannot be removed from the connecting grooves 112.

[0067] Please refer to Figure 7 The present invention also includes a drone leveling method, which levels the aforementioned drone with rapid leveling function, comprising the following steps: S1: Connect the fixing frame 14 to the landing surface of the main frame 11, and the leveling protrusion 141 is located on the side of the fixing frame 14 away from the landing surface.

[0068] S2: Use the leveling bracket 13 to limit the range of motion of the battery 12, so as to limit the movement of the battery 12 on the mounting surface of the main frame 11.

[0069] S3: The drone is supported by the leveling protrusion 141. Based on the levelness data displayed by the leveling instrument 16 on the leveling frame 13, the position of the battery 12 on the mounting surface is adjusted so that the levelness data of the leveling instrument 16 is within the set range.

[0070] S4: Remove the mounting bracket 14 from the landing surface.

[0071] S5: Install the fixing bracket 14 onto the leveling bracket 13 to fix the battery 12 between the main frame 11 and the leveling bracket 13.

[0072] More specifically, in the drone leveling method of the present invention, when the user needs to level the center of gravity of the drone, firstly, the fixing frame 14 is rotated so that the connecting column returns from the end to the starting end, causing the extension plate 144 to disengage from the clearance through hole 1351. Then, the fixing frame 14 is removed from the leveling frame 13. At this time, the elastic element 134 in the leveling frame 13 is still in a compressed state, continuously applying a downward elastic force to the locking sleeve 135, so that the pressure plate 131 maintains the initial pressure on the battery 12. However, since the fixing frame 14 has been removed, the pressure plate 131 is not completely locked, and the user can still overcome a certain frictional force to move the battery 12.

[0073] Next, the user flips the mounting bracket 14 so that the side with the connecting post faces the landing surface at the bottom of the main frame 11, and aligns and inserts the connecting post into the connecting hole 111 on the landing surface. At this time, the protruding leveling protrusion 141 on the other side of the mounting bracket 14 faces downward, becoming the support contact point between the drone and the ground. Since the support center of the leveling protrusion 141 is precisely designed on the vertical line of the geometric center of the drone's multiple rotors, when the drone is placed on the leveling protrusion 141, if the center of gravity of the entire drone is exactly above the support center, the drone will maintain horizontal balance; if the center of gravity is offset, the drone will tilt to the heavier side.

[0074] By observing the drone's tilt direction, the user can determine the approximate direction in which the battery 12 needs adjustment. At this point, because the ball bearing 137 at the bottom of the pressure plate 131 protrudes from the bottom surface of the pressure plate 131, the ball bearing 137 forms point contact with the upper surface of the battery 12, and the ball bearing 137 can roll freely, resulting in very little friction between the battery 12 and the pressure plate 131. The user can easily push the battery 12, allowing it to slide horizontally between the pressure plate 131 and the mounting surface. While moving the battery 12, the user observes the levelness data of the level indicator 16 until the levelness data of the level indicator 16 is within the set range, indicating that the drone's leveling is successful. At this point, the overall center of gravity of the drone coincides with the geometric center of the rotor, and physical leveling is complete.

[0075] After leveling, the user removes the fixing bracket 14 from the bottom of the main frame 11 and reinstalls it above the pressure plate 131. During installation, first insert the connecting post on the fixing bracket 14 into the starting end of the arc-shaped groove 1311 on the upper surface of the pressure plate 131, and then rotate the fixing bracket 14. As the fixing bracket 14 rotates, the connecting post slides along the arc-shaped groove 1311 towards the ending end, while the extension plates 144 at the four corners of the fixing bracket 14 gradually enter the clearance through holes 1351 on the locking sleeve 135, and finally come into close contact with the concave surface of the guide rod 132. Since the thickness of the extension plate 144 is consistent with the height of the clearance through hole 1351, and the concave surface of the guide rod 132 is provided with an elastic pad, the extension plate 144 is firmly clamped between the clearance through hole 1351 and the guide rod 132, thereby restricting the up-and-down sliding of the locking sleeve 135 and the pressure plate 131 relative to the guide rod 132.

[0076] During the rotation of the fixing frame 14, the connecting column will also contact the second end of the lever 136. As the connecting column approaches the end, it gradually squeezes the second end of the lever 136, forcing the lever 136 to rotate around its axis of rotation. The first end of the lever 136 then lifts upward and compresses the spring 138, while simultaneously pulling the ball 137 back into the bottom surface of the pressure plate 131. When the connecting column reaches the end of the arc-shaped groove 1311 and falls into the positioning groove of the second end of the lever 136, the fixing frame 14 is locked in this position, the ball 137 is fully retracted, and the bottom surface of the pressure plate 131 returns to planar contact with the upper surface of the battery 12. At this time, the pressure plate 131 is firmly fixed by the fixing frame 14 and cannot slide upward, and the battery 12 is stably fixed.

[0077] The mounting bracket 14 switches between two positions, which not only achieves rapid physical leveling of the center of gravity, but also provides reliable battery locking before flight. The entire operation requires no tools and is simple and efficient.

[0078] This completes the leveling process of a UAV with a rapid leveling function according to this preferred embodiment.

[0079] This preferred embodiment of the drone with rapid leveling function utilizes a detachable mounting bracket to simultaneously achieve auxiliary battery fixation and rapid physical leveling of the drone's overall center of gravity. The mounting bracket serves as both a leveling tool and a locking reinforcement. When connected to the leveling frame, it restricts the sliding freedom of the pressure plate in the leveling frame, enhancing the reliability of battery clamping. Furthermore, when the mounting bracket is detached from the leveling frame and installed into the connection hole at the bottom of the main frame, its protruding leveling protrusion provides a precise physical support point located on the vertical line of the geometric center of the drone's multiple rotors. The user can adjust the battery position accordingly, ensuring the drone's center of gravity is aligned with this vertical line, thus achieving rapid physical leveling.

[0080] Furthermore, when the fixing bracket is connected to the leveling bracket (without leveling), the connecting column and the arc-shaped groove form a positioning and guiding fit. The cooperation of the connecting column, lever, ball bearings, and spring allows the ball bearings to retract within the bottom surface of the pressure plate, thus providing stable pressure on the battery. When the fixing bracket is disconnected from the leveling bracket and leveling is required, it protrudes from the bottom surface of the pressure plate, making it easier for the user to move and adjust the battery's position. This simple operation and high leveling efficiency make it convenient.

[0081] In summary, although the present invention has been disclosed above with reference to preferred embodiments, the above preferred embodiments are not intended to limit the present invention. Those skilled in the art can make various modifications and refinements without departing from the spirit and scope of the present invention. Therefore, the scope of protection of the present invention shall be determined by the scope defined in the claims.

Claims

1. A drone with a rapid leveling function, characterized in that, include: The main frame has an installation surface at the top and a landing surface at the bottom. The battery is movably mounted on the mounting surface. A leveling frame is movably connected to the mounting surface, and a level is provided on the upper surface of the leveling frame to detect the current levelness of the UAV; as well as A fixing frame is detachably connected to the leveling frame or the landing surface, and one side of the fixing frame is provided with an outwardly protruding leveling protrusion; When the mounting bracket is connected to the leveling bracket, it is used to fix the battery between the main frame and the leveling bracket. When the mounting bracket is connected to the landing surface, the support center of the leveling protrusion is located on the vertical line of the geometric center of the multiple rotors of the UAV, so as to assist in leveling the UAV.

2. The UAV with rapid leveling function according to claim 1, characterized in that, When the drone is in a leveling state, the mounting bracket is connected to the landing surface, and the user can level the drone by adjusting the position of the battery on the mounting surface; When the drone is in operation, the mounting bracket is connected to the leveling bracket to fix the battery between the main frame and the leveling bracket.

3. The UAV with rapid leveling function according to claim 2, characterized in that, The step of leveling the drone by adjusting the position of the battery on the mounting surface specifically involves adjusting the position of the battery on the mounting surface so that the level reading of the level instrument is within a set range.

4. The UAV with rapid leveling function according to claim 1, characterized in that, The landing surface is provided with multiple connection holes, and the side of the fixing frame opposite to the leveling protrusion is provided with multiple connecting posts for connecting with the connection holes. The fixing frame is connected to the landing surface through the connection of the connecting posts and the connection holes.

5. The UAV with rapid leveling function according to claim 1, characterized in that, The leveling frame is elastically and movably connected to the mounting surface, and the leveling frame movably limits the battery to the mounting surface of the main frame; When the fixing bracket is connected to the leveling bracket, it can restrict the movement of the leveling bracket, thereby fixing the battery.

6. The UAV with rapid leveling function according to claim 5, characterized in that, The leveling frame includes a pressure plate, a guide rod, a limiting component, and an elastic component; The guide rod is fixedly connected to the main frame, the pressure plate is slidably connected to the guide rod, the end of the guide rod away from the main frame is connected to the limiting member, the pressure plate is provided with a locking sleeve, the pressure plate is slidably connected to the guide rod through the locking sleeve, the elastic member is provided between the limiting member and the locking sleeve, and the battery is pressed between the pressure plate and the mounting surface; The fixing bracket is connected to the side of the pressure plate opposite to the main frame. The fixing bracket is also connected to the guide rod and the locking sleeve to restrict the sliding of the pressure plate, thereby strengthening the pressure plate's hold on the battery.

7. The UAV with rapid leveling function according to claim 6, characterized in that, The locking sleeve has a clearance through hole on its circumference, and the fixing bracket has an extension plate on its circumference. The extension plate passes through the clearance through hole and contacts the guide rod. The thickness of the extension plate is the same as the height of the clearance through hole.

8. The UAV with rapid leveling function according to claim 6, characterized in that, The pressure plate is provided with an arc-shaped groove corresponding to the connecting column. When the fixing frame is located on the side of the pressure plate away from the main frame and the connecting column is engaged in the arc-shaped groove, the fixing frame rotates along the arc-shaped groove, which allows the extension plate to rotate and engage in the clearance through hole.

9. The UAV with rapid leveling function according to claim 8, characterized in that, The two ends of the arc-shaped groove are the starting end and the ending end, respectively. When the connecting post is located at the starting end, the extension plate is a set distance away from the clearance through hole. When the connecting post is located at the ending end, the extension plate is fitted into the clearance through hole. The leveling frame also includes a lever, a ball bearing, and a spring. The pressure plate has a mounting cavity that connects to the bottom surface of the pressure plate. The lever is rotatably mounted in the mounting cavity, and its rotation axis is parallel to the extension plane of the pressure plate. The first end of the lever is connected to the ball bearing, and the second end of the lever extends to the terminating end in the arc-shaped groove. The spring is located between the first end of the lever and the inner wall of the mounting cavity, and is situated on the side of the ball bearing away from the battery. When the connecting post is located at the starting end, the spring drives the ball to protrude from the bottom surface of the pressure plate. When the connecting post is located at the ending end, the connecting post contacts the second end of the lever, the connecting post squeezes the lever to rotate, the lever squeezes the spring, and the ball retracts into the bottom surface of the pressure plate.

10. A method for leveling an unmanned aerial vehicle (UAV), characterized in that, Leveling a UAV with rapid leveling function as described in any of claims 1-9 includes the following steps: S1: Connect the fixing frame to the landing surface of the main frame, and the leveling protrusion is located on the side of the fixing frame away from the landing surface; S2: Use the leveling frame to limit the range of motion of the battery, so as to limit the battery to the mounting surface of the main frame; S3: The drone is supported by the leveling protrusion. Based on the levelness data displayed by the leveling instrument on the leveling frame, the position of the battery on the mounting surface is adjusted so that the levelness data of the leveling instrument is within the set range. S4: Remove the mounting frame from the landing surface; S5: Install the fixing bracket onto the leveling bracket to fix the battery between the main frame and the leveling bracket.

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