Bionic hard sail for unmanned ship

Abstract

The utility model discloses a bionic hard sail for an unmanned ship, which belongs to the technical field of hard sails of unmanned ships and comprises a connecting sleeve and a connecting column movably connected in the connecting sleeve, a fixing ring is fixed on the outer wall of the connecting column, a fixing groove matched with the fixing ring is arranged on the surface of the connecting sleeve, and the connecting sleeve is fixedly connected with the connecting column. A threaded groove is formed in the outer wall of the connecting sleeve, a fixing cover is connected to the outer portion of the threaded groove of the connecting sleeve in a threaded mode, a cavity is formed in the connecting column, a lifting screw is rotatably connected to the interior of the connecting column, an adjusting rod is connected to the outer wall of the lifting screw in a threaded mode, and positioning rings are movably connected to the outer portion of the connecting column and the outer portion of the adjusting rod correspondingly. A framework is fixed to the outer wall of the positioning ring, and canvas is arranged outside the framework. According to the bionic hard sail for the unmanned ship, the sailing efficiency and energy efficiency of the unmanned ship can be improved, and the height of the hard sail can be adjusted according to actual use requirements.

Description

Technical Field

[0001] The utility model belongs to the technical field of unmanned boat hard sails, and in particular relates to a bionic hard sail used for an unmanned boat. Background Art

[0002] An unmanned surface vehicle (UAV) is a type of watercraft that can autonomously navigate on the surface or underwater. Equipped with various functional modules, it can complete a range of tasks autonomously or semi-autonomously, depending on the mission requirements. It can be categorized as either an unmanned surface vehicle (UAV) or an unmanned underwater vehicle (UUV). To control the direction and speed of the UAV, it is equipped with sails.

[0003] One of the challenges faced by traditional hard sails during navigation is the balance between lift and drag. The lift-to-drag ratio provided by the hard sail of a hard-sail unmanned boat directly determines the quality of its propulsion performance. In existing technologies, the hard sail structure of unmanned boats is relatively simple, and the degree of improvement in its lift-to-drag ratio is low, which affects the propulsion performance of the unmanned boat. Utility Model Content

[0004] The purpose of the present utility model is to provide a bionic hard sail for use in an unmanned boat, so as to solve the problem raised in the above background technology that the hard sail structure of the unmanned boat in the prior art is relatively simple and the lift-to-drag ratio is low, thereby affecting the propulsion performance of the unmanned boat.

[0005] To achieve the above-mentioned object, the present invention provides the following technical solution: a bionic hard sail for use in an unmanned boat, comprising a connecting sleeve and a connecting column movably connected to the connecting sleeve, a fixing ring being fixed to the outer wall of the connecting column, a fixing groove matching the fixing ring being formed on the surface of the connecting sleeve, a threaded groove being formed on the outer wall of the connecting sleeve, and a fixing cover being externally threadedly connected to the threaded groove of the connecting sleeve;

[0006] A cavity is defined in the connecting column, and a lifting screw is rotatably connected in the connecting column. An adjusting rod is threadedly connected to the outer wall of the lifting screw. Positioning rings are movably connected to the outside of the connecting column and the adjusting rod. A skeleton is fixed to the outer wall of the positioning ring. A canvas is provided on the outside of the skeleton, and the canvas forms a bionic humpback whale fin structure on the outside of the skeleton.

[0007] In a further embodiment, a positioning pin with a rectangular structure is fixed to the bottom wall of the inner cavity of the connecting sleeve, and a positioning groove matching the positioning pin is formed at the bottom of the connecting column.

[0008] In a further embodiment, a through hole is opened on one side outer wall of the connecting column, and a rotating column is rotatably connected in the through hole of the connecting column, and a driving bevel gear is fixed to the end surface of the rotating column located inside the connecting column.

[0009] In a further embodiment, the outer wall of the lifting screw is fixed with a driven bevel gear meshing with the driving bevel gear, and the rotating column is fixed with a rotating disc at the end face outside the connecting column.

[0010] In a further embodiment, the outer wall of the adjusting rod is fixed with a limiting sliding block, and the inner wall of the connecting column is provided with a limiting sliding groove for sliding of the limiting sliding block.

[0011] In a further embodiment, the outer wall of the positioning ring is provided with a threaded hole, and a positioning bolt is threadedly connected in the threaded hole of the positioning ring.

[0012] The technical effects and advantages of the present application are as follows:

[0013] The bionic hard sail for unmanned ship is provided with a framework and a sail cloth outside the framework, so that the hard sail forms a bionic spermaceti whale fin structure. The bionic hard sail optimizes its shape and surface characteristics according to the bionics principle, so as to achieve higher lift and lower resistance, thereby significantly improving the navigation efficiency and energy efficiency of the unmanned ship.

[0014] The driving bevel gear is driven to rotate by the rotating column, so as to drive the driven bevel gear and the lifting screw to rotate, and further drive the adjusting rod to move in the connecting column. According to the size of the unmanned ship, the height of the hard sail can be flexibly adjusted to meet the use requirements of different unmanned ships, and the use is more flexible and changeable.

[0015] The positioning pin is connected with the connecting column, and the position of the fixing ring is limited by the detachable cover. The connecting sleeve and the connecting column are stably connected, and the detachable cover facilitates the removal of the connecting column from the connecting sleeve. After the hard sail is damaged, it is more convenient to disassemble and maintain it. The bionic hard sail for unmanned ship can not only improve the navigation efficiency and energy efficiency of the unmanned ship, but also adjust the height of the hard sail according to the actual use requirements. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to more clearly illustrate the specific embodiments of the present application or the technical solutions in the prior art, the following will briefly introduce the drawings needed in the specific embodiments or prior art description. Obviously, the drawings in the following description are some embodiments of the present application, and those skilled in the art can also obtain other drawings according to these drawings without creative labor.

[0017] Figure 1 The structure of the present application is shown in the figure;

[0018] Figure 2 The sectional view of the present application is shown in the figure;

[0019] Figure 3 For the utility model Figure 2 Enlarged view of point A in the middle;

[0020] Figure 4 For the utility model Figure 2 Enlarged view of point B in the middle;

[0021] Figure 5 It is a front view of the canvas of the present invention.

[0022] In the figure: 1. Connecting sleeve; 2. Connecting column; 3. Locating pin; 4. Fixing ring; 5. Fixing cover; 6. Adjusting rod; 7. Locating ring; 8. Frame; 9. Locating bolt; 10. Canvas; 11. Rotating column; 12. Driving bevel gear; 13. Turntable; 14. Fixing bolt; 15. Lifting screw; 16. Driven bevel gear; 17. Limiting slider. DETAILED DESCRIPTION

[0023] In the following description, numerous specific details are provided to provide a more thorough understanding of the present invention. However, it will be apparent to those skilled in the art that the present invention can be practiced without one or more of these details. In other instances, certain technical features known in the art are not described to avoid confusion with the present invention.

[0024] Unless otherwise defined, the directions of up, down, left, right, front, back, inside and outside involved in this document are based on the directions of up, down, left, right, front, back, inside and outside shown in the figures of the present invention, and are explained here together.

[0025] See also Figure 1-5 The present invention provides a bionic hard sail for use in an unmanned boat, comprising a connecting sleeve 1 and a connecting column 2 movably connected to the connecting sleeve 1, the connecting sleeve 1 is connected to the steering gear in the boat, the bottom wall of the inner cavity of the connecting sleeve 1 is welded with a locating pin 3 of a rectangular parallelepiped structure, the bottom of the connecting column 2 is provided with a locating groove that matches the locating pin 3, through the setting of the locating pin 3, when the connecting sleeve 1 rotates, the connecting column 2 is driven to rotate at the same time, the outer wall of the connecting column 2 is welded with a fixing ring 4, the surface of the connecting sleeve 1 is provided with a fixing groove that matches the fixing ring 4, the outer wall of the connecting sleeve 1 is provided with a threaded groove, and the threaded groove of the connecting sleeve 1 is externally threadedly connected with a fixing cover 5, which is connected to the connecting column 2 through the locating pin 3, and the fixing cover 5 limits the position of the fixing ring 4, so that the connecting sleeve 1 and the connecting column 2 are stably connected. At the same time, the detachable fixing cover 5 is convenient for removing the connecting column 2 from the connecting sleeve 1. After the hard sail is damaged, it is more convenient to disassemble it and facilitate its later maintenance.

[0026] A cavity is provided in the connecting column 2, and a lifting screw 15 is rotatably connected to the connecting column 2 through a bearing. The outer wall of the lifting screw 15 is threadedly connected to the adjusting rod 6. The connecting column 2 and the outer part of the adjusting rod 6 are movably connected with a positioning ring 7. The movable positioning ring 7 can adjust its quantity and position according to actual usage. The outer wall of the positioning ring 7 is welded with a skeleton 8, and a canvas 10 is provided on the outside of the skeleton 8. The canvas 10 forms a bionic humpback whale fin structure on the outside of the skeleton 8. A threaded hole is provided on the outer wall of one side of the positioning ring 7, and a positioning bolt 9 is threadedly connected to the threaded hole of the positioning ring 7. Tightening the positioning bolt 9 can adjust the positioning The positions of the ring 7 and the skeleton 8 are fixed. The propulsion principle of the unmanned boat's hard sail is mainly based on the combination of aerodynamics and bionics. The key to the design of this hard sail is to use wind power to propel the unmanned boat. The design of the hard sail takes into account the effect of air flow on the sail surface. When the wind blows across the surface of the hard sail, the wind will exert pressure, generating lift and drag. The shape and material of the sail surface are optimized to maximize lift and minimize drag, thereby improving propulsion efficiency. The design of the bionic humpback whale can optimize hydrodynamic characteristics, reduce drag and improve propulsion efficiency. This bionic design can improve the streamline shape of the sail surface, making it more adaptable to complex water flow and wind conditions.

[0027] The biomimetic structure uses three sets of exponential decay curves, the equation is: y(x) = -Ae -Bx sin(ax), where A is the amplitude coefficient, B is the exponential decay coefficient, and a is the period. The first set of coefficients is: A = 1, B = 2, a = 3. The second set of coefficients is: A = 0.8, B = 1, a = 3, and the third set of coefficients is: A = 1, B = 1, a = 4;

[0028] A through hole is provided on the outer wall of one side of the connecting column 2, and a rotating column 11 is rotatably connected to the through hole of the connecting column 2 through a welded bearing. A driving bevel gear 12 is welded to the end face of the rotating column 11 located inside the connecting column 2, and a driven bevel gear 16 meshing with the driving bevel gear 12 is welded to the outer wall of the lifting screw 15. A turntable 13 is welded to the end face of the rotating column 11 located outside the connecting column 2, and a threaded hole is also provided on the turntable 13. A fixing bolt 14 is threadedly connected to the threaded hole of the turntable 13. Tighten the fixing bolt 14 to make it fit on the outside of the connecting column 2, thereby fixing the position of the turntable 13 to prevent the turntable 13 from rotating accidentally and adjusting. Limit sliders 17 are fixed to the outer walls on both sides of the rod 6, and limit grooves are provided on the inner walls on both sides of the connecting column 2 for the limit sliders 17 to slide. The setting of the limit sliders 17 can limit the moving path of the adjusting rod 6 when the lifting screw 15 rotates, ensuring that the adjusting rod 6 moves vertically in the connecting column 2, and the active bevel gear 12 is driven to rotate by the rotating column 11, thereby driving the driven bevel gear 16 and the lifting screw 15 to rotate, and then driving the adjusting rod 6 to move in the connecting column 2. According to the size of the unmanned boat, the height of the hard sail can be flexibly adjusted to meet the use requirements of different unmanned boats, and the use is more flexible and changeable.

[0029] The standard parts used in the present invention can all be purchased from the market, and special-shaped parts can be customized according to the description in the specification and the drawings. The specific connection methods of each part adopt conventional means such as mature bolts, rivets, welding, etc. in the existing technology. The machinery, parts and equipment all adopt conventional models in the existing technology, and the circuit connection adopts the conventional connection method in the existing technology, which will not be described in detail here. The control method of the present invention is controlled by a controller, and the control circuit of the controller can be implemented by simple programming by technicians in this field. The content not described in detail in this specification belongs to the existing technology known to professional and technical personnel in this field.

[0030] In the description of the present invention, it should be understood that the indicated orientations or positional relationships are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, it cannot be understood as a limitation on the present invention.

[0031] Working principle:

[0032] When in use, the bionic hard sail for the unmanned boat drives the rotating column 11 and the active bevel gear 12 to rotate through the turntable 13, thereby driving the driven bevel gear 16 and the lifting screw 15 to rotate, and then driving the adjusting rod 6 to move in the connecting column 2. The height of the hard sail is flexibly adjusted according to the size of the unmanned boat, and then the fixing bolt 14 is tightened to make it fit the outside of the connecting column 2, thereby fixing the position of the turntable 13, and then the canvas 10 is fixed to the outside of the skeleton 8 to form a bionic humpback whale fin structure to maximize lift and minimize resistance, thereby improving propulsion efficiency. Then the connecting sleeve 1 is connected to the steering gear in the boat, and the hard sail is driven to rotate by the steering gear to adjust the heading and speed of the unmanned boat.

[0033] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A bionic hard sail for use in an unmanned boat, comprising a connecting sleeve (1) and a connecting column (2) movably connected to the connecting sleeve (1), characterized in that: A fixing ring (4) is fixed to the outer wall of the connecting column (2), a fixing groove matching the fixing ring (4) is provided on the surface of the connecting sleeve (1), a thread groove is provided on the outer wall of the connecting sleeve (1), and a fixing cover (5) is connected to the outer thread of the thread groove of the connecting sleeve (1); A cavity is provided in the connecting column (2), and a lifting screw (15) is rotatably connected in the connecting column (2), an adjusting rod (6) is threadedly connected to the outer wall of the lifting screw (15), and a positioning ring (7) is movably connected to the outside of the connecting column (2) and the adjusting rod (6), a frame (8) is fixed to the outer wall of the positioning ring (7), and a canvas (10) is provided on the outside of the frame (8), and the canvas (10) forms a bionic humpback whale fin structure on the outside of the frame (8).

2. The bionic hard sail for use in an unmanned boat according to claim 1, characterized in that: A positioning pin (3) with a rectangular parallelepiped structure is fixed to the bottom wall of the inner cavity of the connecting sleeve (1), and a positioning groove matching the positioning pin (3) is provided at the bottom of the connecting column (2).

3. The bionic hard sail for use in an unmanned boat according to claim 1, characterized in that: A through hole is formed on one side outer wall of the connecting column (2), and a rotating column (11) is rotatably connected in the through hole of the connecting column (2). A driving bevel gear (12) is fixed to the end surface of the rotating column (11) located inside the connecting column (2).

4. The bionic hard sail for use in an unmanned boat according to claim 3, characterized in that: A driven bevel gear (16) meshing with the driving bevel gear (12) is fixed to the outer wall of the lifting screw (15), and a rotating disk (13) is fixed to the end surface of the rotating column (11) located outside the connecting column (2).

5. The bionic hard sail for use in an unmanned boat according to claim 1, characterized in that: The outer walls on both sides of the regulating rod (6) are fixed with limiting slide blocks (17), and the inner walls on both sides of the connecting column (2) are provided with limiting sliding grooves for the limiting slide blocks (17) to slide.

6. The bionic hard sail for use in an unmanned boat according to claim 1, characterized in that: A threaded hole is provided on one outer wall of the positioning ring (7), and a positioning bolt (9) is threadedly connected to the threaded hole of the positioning ring (7).

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