Multi-wing sail and ship

Abstract

The utility model belongs to the technical field of sail navigation aiding, and discloses a multi-wing sail and a ship, the multi-wing sail comprises a main wing, a side wing, a hinge assembly and a locking driving mechanism, the locking driving mechanism comprises a connecting rod assembly and a locking assembly, the connecting rod assembly is utilized to drive the side wing to rotate around a hinge point of the hinge assembly, and the side wing is automatically unfolded or folded. The operation process is simplified; when the connecting rod assemblies drive the side wings to unfold, the locking assemblies can lock the butt joint state of the main wings and the side wings, wind loads borne by the side wings are effectively transmitted to the main wings, and the risk that a connecting structure fails under the high-wind-speed condition is avoided; when the connecting rod assemblies drive the side wings to fold, the locking assemblies can release the side wings, the butt joint state of the main wings and the side wings is relieved, and the windward resistance of the sail is reduced; the connecting reliability of the main wings and the side wings can be effectively guaranteed through the locking assemblies and the hinge assemblies, the structural connecting safety is improved, the angles or forms of the side wings can be adjusted under different wind conditions, the aerodynamic performance of the sail is optimized, and the sailing efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a sail navigation technology field especially, relates to a kind of multi-wing sail and ship. BACKGROUND

[0002] Multi-wing sail is a kind of design combining aerodynamics and mechanical engineering, for improving ship propulsion efficiency or wind energy utilization rate, through the combination design of main wing and side wing, flexible wind energy capture and propulsion force adjustment are realized, this structure is widely used in marine vessels, wind energy is used to assist ship propulsion, reduce fuel consumption, reduce carbon emissions.

[0003] However, the connecting structure is relatively complex in the process of unfolding or folding of the current multi-wing sail, manual intervention is needed, and the operation is cumbersome, so it is difficult to efficiently complete the operation of sail unfolding or folding. Meanwhile, the connecting part of the main wing and the side wing usually bears a large load, which can easily cause the connection to loosen or the connection structure to fail, affecting the service life and safety of the sail. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a kind of multi-wing sail and ship, can realize the automatic unfolding and folding of side wing, reduce the operation difficulty, improve the efficiency and controllability of multi-wing sail unfolding or folding, and can realize the reliability of the connection of main wing and side wing, effectively transfer side wing load, avoid connection structure failure under high wind speed condition.

[0005] To achieve this purpose, the utility model adopts the following technical solutions:

[0006] Multi-wing sail, including main wing and side wing, the side wing is arranged at at least one side of the length extension direction of the main wing, wherein the multi-wing sail further comprises:

[0007] Hinge assembly, the hinge assembly is arranged at the butt joint edge of the main wing and the side wing, for butt joint the main wing and the side wing, the side wing can rotate around the hinge point of the hinge assembly, to facilitate the unfolding or folding of the side wing;

[0008] Locking drive mechanism, the locking drive mechanism includes connecting rod assembly and locking assembly, one end of the connecting rod assembly is connected with the main wing, the other end of the connecting rod assembly is connected with the side wing, for driving the side wing to unfold or fold around the hinge point of the hinge assembly;The locking assembly is arranged at the butt joint edge of the main wing and the side wing, for locking the butt joint state of the main wing and the side wing when the side wing unfolds, and releasing the butt joint state of the main wing and the side wing when the side wing folds.

[0009] Further, the hinge assembly is arranged at one side of the pressure surface of the main wing and the side wing, and the locking drive mechanism is arranged at one side of the lifting surface of the main wing and the side wing.

[0010] Further, the hinge assembly is arranged at one end of the abutting edges of the main wing and the side wing along the length direction thereof, and the locking assembly is arranged at the other end of the abutting edges of the main wing and the side wing away from the hinge assembly.

[0011] Further, the hinge assembly comprises a first shaft sleeve, a second shaft sleeve and a pivot shaft, the first end of the first shaft sleeve is selectively fixed to any one of the abutting edges of the main wing and the side wing, the first end of the second shaft sleeve is fixed to the other abutting edge opposite to the first shaft sleeve, and the pivot shaft is arranged through the second ends of the first shaft sleeve and the second shaft sleeve so that the first shaft sleeve and the second shaft sleeve are hinged.

[0012] Further, the hinge assembly further comprises end caps arranged at both ends of the pivot shaft for limiting the displacement of the pivot shaft.

[0013] Further, the hinge assembly further comprises a bolt and a filler, the bolt is capable of fixing the first end of the first shaft sleeve to the abutting edge of the main wing or the side wing, and the filler is capable of filling the gap between the first end of the first shaft sleeve and the contact surface of the abutting edge; and / or

[0014] the bolt is capable of fixing the first end of the second shaft sleeve to the other abutting edge opposite to the first shaft sleeve, and the filler is capable of filling the gap between the first end of the second shaft sleeve and the contact surface of the abutting edge.

[0015] Further, the linkage assembly comprises a first connecting arm, a linkage arm, a second connecting arm and a driving motor, the main wing, the first connecting arm, the linkage arm, the second connecting arm and the side wing are hingedly connected in sequence to form a foldable linkage structure, and the driving motor is arranged on the multi-wing sail and connected to the first connecting arm at the output end thereof to drive the unfolding or folding of the linkage assembly.

[0016] Further, the locking assembly comprises a locking seat, an adjusting seat, a locking pin and a locking pull rod, the locking seat is selectively arranged on any one of the abutting edges of the main wing and the side wing, the adjusting seat is arranged on the other abutting edge opposite to the locking seat, any one of the opposite faces of the locking seat and the adjusting seat is provided with a protrusion, the other is provided with a groove, and the protrusion and the groove are inserted, one end of the locking pull rod is hingedly connected to the adjusting seat through the locking pin, and the other end of the locking pull rod is connected to the locking seat so as to lock or release the locking pull rod by the locking seat.

[0017] Further, the plurality of side wings are symmetrically arranged along the extension direction of the main wing, each of the plurality of hinge assemblies is used for connecting two adjacent side wings and the main wing and the adjacent side wing of the main wing, and each of the plurality of locking driving mechanisms is used for locking or releasing the two adjacent side wings connected by the hinge assembly and the main wing and the adjacent side wing of the main wing.

[0018] A ship comprising a supporting mast and the multi-wing sail, the main wing is fixedly connected with the supporting mast.

[0019] The multi-wing sail and the ship have the advantages that:

[0020] The utility model provides a kind of multi-wing sail and ship, including main wing, side wing, hinge assembly and locking driving mechanism, linkage design is achieved by hinge assembly and locking driving mechanism, utilize connecting rod assembly to drive side wing rotation around the hinge point of hinge assembly, realize that side wing is automatically unfolded or folded, need not manual operation, simplify operation process, ensure that side wing is quickly and accurately completed unfolding or folding operation, reduce ship adjustment time;When side wing is unfolded, locking assembly can lock the butt joint state of main wing and side wing, effectively transfer wind load that side wing bears to main wing, avoid the risk of connection structure failure under high wind speed condition;When side wing is folded, locking assembly can release side wing, so that main wing and side wing are disconnected, effectively reduce wind area, reduce sail wind resistance, suitable for ship berthing, wind speed exceeds rated wind speed etc.State;And locking assembly and hinge assembly can effectively guarantee the reliability of main wing and side wing connection, avoid side wing loosening or separation under high wind speed or bad weather condition, improve the safety of structure connection.Therefore multi-wing sail and ship, side wing can be automatically unfolded and folded, reduce operation difficulty, improve the efficiency and controllability of multi-wing sail unfolding or folding, and the reliability of main wing and side wing connection can be guaranteed, side wing load can be effectively transferred, connection structure failure under high wind speed condition can be avoided, side wing angle or form can be adjusted under different wind conditions, so that the aerodynamic performance of sail is optimized, and sailing efficiency is improved. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 It is one side unfolding structure schematic view of multi-wing sail in the utility model;

[0022] Figure 2 It is another side unfolding structure schematic view of multi-wing sail in the utility model;

[0023] Figure 3 It is the structure schematic view of folding of multi-wing sail in the utility model;

[0024] Figure 4is a structure schematic view of the hinged assembly in the utility model;

[0025] Figure 5 is a sectional view of A-A in the utility model Figure 4

[0026] Figure 6 is the bottom view of the locking assembly in the utility model in the released state;

[0027] Figure 7 is the side view of the locking assembly in the utility model in the released state;

[0028] Figure 8 is the bottom view of the locking assembly in the utility model in the locked state;

[0029] Figure 9 is the side view of the locking assembly in the utility model in the locked state.

[0030] In the drawings:

[0031] 100, main wing; 200, side wing;

[0032] 1, hinged assembly; 11, first shaft sleeve; 12, second shaft sleeve; 13, rotating shaft; 14, end cover; 15, bolt; 16, filler;

[0033] 2, locking driving mechanism; 21, connecting rod assembly; 211, first connecting arm; 212, connecting rod arm; 213, second connecting arm; 22, locking assembly; 221, locking seat; 222, adjusting seat; 223, lock pin; 224, locking pull rod. DETAILED DESCRIPTION

[0034] The utility model will be further explained in detail below in combination with the drawings and examples. It can be understood that the specific examples described here are only used to explain the utility model, and not to limit the utility model. In addition, it should be noted that, in order to facilitate the description, only the part related to the utility model is shown in the drawings, not all structures.

[0035] In the description of the utility model, unless otherwise explicitly specified and limited, the terms "connected", "connected", "fixed" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated, it can be mechanically connected, or it can be electrically connected, it can be directly connected, or it can be indirectly connected through the intermediate medium, it can be the internal communication of two elements or the interaction relationship of two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0036] ​In the utility model, unless another definite provision and limitation, first feature is in second feature "on" or "under" can include that first and second features are in direct contact, also can include that first and second features are not in direct contact but contact through other feature between them.Moreover, first feature is "on", "above" and "upper surface" of second feature includes that first feature is directly above and obliquely above second feature, or only indicates that horizontal height of first feature is higher than second feature.First feature is "under", "below" and "lower surface" of second feature includes that first feature is directly below and obliquely below second feature, or only indicates that horizontal height of first feature is less than second feature.

[0037] In the description of the embodiment, the terms "upper", "lower", "left", "right" and other orientation or position relationship are based on the orientation or position relationship shown in the drawings, only for the convenience of description and simplification of operation, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore cannot be understood as a limitation on the utility model.In addition, the terms "first", "second" are only used to distinguish in description, and have no special meaning.

[0038] Please refer to Figures 1 to 9 The utility model provides a kind of multi-wing sail, can realize the automatic deployment and folding of side wing 200, reduce the operation difficulty, improve the efficiency and controllability of multi-wing sail deployment or folding, and can realize the reliability of main wing 100 and side wing 200 connection, effectively transfer side wing 200 load, avoid connection structure failure under high wind speed condition.The multi-wing sail includes main wing 100, side wing 200, hinged assembly 1 and locking drive mechanism 2, wherein side wing 200 is located at at least one side of the length extension direction of main wing 100, hinged assembly 1 is located at the butt joint edge of main wing 100 and side wing 200, for butt joint main wing 100 and side wing 200, side wing 200 can rotate around the hinge point of hinged assembly 1, to facilitate the deployment or folding of side wing 200;Locking drive mechanism 2 includes connecting rod assembly 21 and locking assembly 22, one end of connecting rod assembly 21 is connected with main wing 100, the other end of connecting rod assembly 21 is connected with side wing 200, for driving side wing 200 to deploy or fold around the hinge point of hinged assembly 1;Locking assembly 22 is located at the butt joint edge of main wing 100 and side wing 200, for locking the butt joint state of main wing 100 and side wing 200 when side wing 200 is deployed, and releasing the butt joint state of main wing 100 and side wing 200 when side wing 200 is folded.

[0039] By the linkage design of the hinged assembly 1 and the locking driving mechanism 2, the side wing 200 is driven to rotate around the hinge point of the hinged assembly 1 by the linkage assembly 21, realizing the automatic unfolding or folding of the side wing 200 without manual operation, simplifying the operation process and ensuring that the side wing 200 completes the unfolding or folding operation quickly and accurately; by using the locking assembly 22, when the side wing 200 is unfolded by the linkage assembly 21, the locking assembly 22 can lock the butt joint state of the main wing 100 and the side wing 200, so that the butt joint edges of the main wing 100 and the side wing 200 are firmly connected to form a rigid structure, and the bending moment and shear force generated by the wind load on the side wing 200 can be transmitted to the main wing 100, preventing the side wing 200 from being twisted or separated due to wind load and avoiding the risk of connection structure failure under high wind speed conditions; when the side wing 200 needs to be folded, the locking assembly 22 can release the side wing 200, and the linkage assembly 21 drives the main wing 100 and the side wing 200 to be out of the butt joint state, and the side wing 200 is folded by the linkage assembly 21, effectively reducing the windward area and the wind resistance of the sail, suitable for ship berthing, wind speed exceeding the rated wind speed and other conditions; and the locking assembly 22 and the hinged assembly 1 can effectively ensure the reliability of the connection between the main wing 100 and the side wing 200, avoid loosening or separation of the side wing 200 under high wind speed or severe weather conditions, and improve the safety of the structure connection. The angle or form of the side wing 200 can be adjusted under different wind conditions, thereby optimizing the aerodynamic performance of the sail and improving the sailing efficiency.

[0040] In combination Figure 1 and Figure 2As shown, in order to reduce the interference of airflow, in some embodiments, the hinged assembly 1 is arranged on the pressure surface side of the main wing 100 and the side wing 200, and the locking driving mechanism 2 is arranged on the lift surface side of the main wing 100 and the side wing 200; wherein the pressure surface refers to the side on which the fluid exerts greater pressure on the wing surface, usually the side of the wing surface facing the airflow (windward surface); the lift surface refers to the side on which the fluid exerts less pressure or forms negative pressure (suction) on the other side of the wing surface, usually the side of the wing surface facing away from the airflow; in this embodiment, by arranging the locking driving mechanism 2 on the lift surface side of the main wing 100 and the side wing 200, the locking driving mechanism 2 can be locked in a more stable aerodynamic environment due to the smaller pressure on the lift surface side, thereby reducing the influence of vortex, flow separation or flow interference on the operation of the locking driving mechanism 2, and improving the locking stability of the locking driving mechanism 2; by arranging the hinged assembly 1 and the locking driving mechanism 2 on different areas (pressure surface and lift surface) of the abutting edges of the main wing 100 and the side wing 200, the force transmission path can be optimized, the risk of structural deformation or failure caused by flow interference can be reduced, and the structural stability and reliability of the sail under different heading and wind speed conditions can be improved. Further, in order to improve the stability of the connection between the main wing 100 and the side wing 200, the hinged assembly 1 is arranged at one end of the abutting edge of the main wing 100 and the side wing 200 along the length direction thereof, and the locking assembly 22 is arranged at the other end of the abutting edge of the main wing 100 and the side wing 200 away from the hinged assembly 1 along the length direction thereof; wherein the hinged assembly 1 is located at one end of the abutting edge, which can provide a rotating hinge point for the side wing 200; the locking assembly 22 is located at the other end of the abutting edge, which can effectively prevent the side wing 200 from deviating during the unfolding or folding process through the locking or releasing action of the other end; at the same time, the distribution of the hinged assembly 1 and the locking assembly 22 makes the unfolding or folding process of the side wing 200 more uniform, and under high wind speed conditions, the connection between the side wing 200 and the main wing 100 is easily affected by vibration or impact load, through the fixed form at both ends of the abutting edge, the tensile, shear or torque effect of the wind load on the connection can be better resisted, and the accuracy of angle adjustment can be improved.

[0041] In combination Figure 4 and Figure 5As shown, in order to improve the reliability of the hinged assembly 1, in some embodiments, the hinged assembly 1 comprises a first shaft sleeve 11, a second shaft sleeve 12 and a rotating shaft 13, the first end of the first shaft sleeve 11 is selectively fixed to any one of the abutting edges of the main wing 100 and the side wing 200, the first end of the second shaft sleeve 12 is fixed to the other abutting edge opposite to the first shaft sleeve 11, and the rotating shaft 13 is arranged through the second end of the first shaft sleeve 11 and the second end of the second shaft sleeve 12 so that the first shaft sleeve 11 and the second shaft sleeve 12 are hinged; wherein the first shaft sleeve 11 and the second shaft sleeve 12 are respectively installed on the abutting edges of the main wing 100 and the side wing 200, and the hinged assembly 1 is achieved by the rotating shaft 13, forming a stable rotating connection point to ensure that the side wing 200 can be smoothly unfolded or folded around the hinged assembly 1; by arranging the rotating shaft 13 through the first shaft sleeve 11 and the second shaft sleeve 12, a smooth rotating support is formed, which can significantly reduce the friction resistance of the hinged point, ensure the unfolding and folding process of the side wing 200 to be stable and smooth, and effectively prevent the side wing 200 from loosening or separating under the action of wind load or vibration, thereby enhancing the safety of the connection.

[0042] As shown in Figure 5 In order to prevent the rotating shaft 13 from coming out, in some embodiments, the hinged assembly 1 further comprises an end cap 14 installed on both ends of the rotating shaft 13 for limiting the displacement of the rotating shaft 13; wherein the arrangement of the end cap 14 can effectively avoid the axial displacement or coming out of the rotating shaft 13 during operation due to vibration or external force, thereby ensuring the hinged reliability between the main wing 100 and the side wing 200; and the end cap 14 can limit the axial movement of the rotating shaft 13, maintain the stable cooperation between the first rotating shaft 13 and the second shaft sleeve 12, reduce the loosening or deviation caused by the change of the gap, and improve the overall stability of the hinged assembly 1.

[0043] In order to enhance the stability of the connection, in some embodiments, the hinge assembly 1 further comprises a bolt 15 and a filler 16, the bolt 15 can be fixedly connected to the abutting edge of the main wing 100 or the side wing 200 at the first end of the first shaft sleeve 11, and the filler 16 can be filled in the gap between the first end of the first shaft sleeve 11 and the abutting edge; and / or, the bolt 15 can be fixedly connected to the abutting edge opposite to the first shaft sleeve 11 at the first end of the second shaft sleeve 12; the filler 16 can be filled in the gap between the first end of the second shaft sleeve 12 and the abutting edge; wherein the bolt 15 can fix the first shaft sleeve 11 and / or the second shaft sleeve 12 on the abutting edge of the main wing 100 or the side wing 200, ensuring that the hinge assembly 1 is not easy to loosen, improving the stability of the connection of the hinge assembly 1 under wind load and vibration environment; the filler 16 can fill the gap between the first shaft sleeve 11 and / or the second shaft sleeve 12 and the abutting edge, reducing the connection looseness or component offset problem caused by the gap, and improving the connection accuracy of the hinge assembly 1. Further, the bolt 15 is filled with thread glue in the mounting hole and a pre-tightening force of 200N-400N is applied, wherein the use of thread glue can effectively prevent the bolt 15 from loosening due to vibration or long-term use, improving the stability and safety of the connection; the pre-tightening force of 200N-400N causes the bolt 15 to generate a moderate initial stress when installed, thereby improving the strength and fatigue resistance of the bolt 15 connection. Wherein the filler 16 can be but not limited to an adhesive, which is not specifically limited here.

[0044] In combination Figure 2 and Figure 3 As shown in FIGS. 1-2, in order to realize the automatic unfolding and folding of the side wing 200, in some embodiments, the linkage assembly 21 comprises a first connecting arm 211, a linkage arm 212, a second connecting arm 213 and a drive motor, the main wing 100, the first connecting arm 211, the linkage arm 212, the second connecting arm 213 and the side wing 200 are sequentially hinged to form a foldable four-bar linkage structure, and the drive motor is installed on the multi-wing sail and its output end is connected with the first connecting arm 211 to drive the unfolding or folding of the linkage assembly 21; wherein the connection of the output end of the drive motor with the first connecting arm 211 can realize the automatic driving unfolding or folding of the linkage assembly 21, greatly reducing the operation difficulty and improving the efficiency and accuracy of the sail adjustment; the foldable four-bar linkage structure formed by sequentially hinging the main wing 100, the first connecting arm 211, the linkage arm 212, the second connecting arm 213 and the side wing 200 makes the connection between the side wing 200 and the main wing 100 more stable, the linkage arm 212 makes the abutting state of the side wing 200 and the main wing 100 more easily controlled, and the force transmission is more uniform, which improves the angle and position of the side wing 200 in the unfolded and folded states, ensuring the accuracy of the operation. It can be understood that the drive motor can be but not limited to a hydraulic drive motor, which is not specifically limited here.

[0045] In combination Figures 6 to 9 As shown in some embodiments, the locking assembly 22 includes a locking seat 221, an adjusting seat 222, a locking pin 223, and a locking pull rod 224. The locking seat 221 can be selectively provided on the abutting edge of either the main wing 100 or the side wing 200, the adjusting seat 222 is provided on the other abutting edge opposite to the locking seat 221, either of the opposite surfaces of the locking seat 221 and the adjusting seat 222 is provided as a protrusion, the other is provided as a groove, and the protrusion and the groove are inserted and matched, one end of the locking pull rod 224 can be hinged with the adjusting seat 222 through the locking pin 223, and the other end can be connected with the locking seat 221, so as to lock or release the locking pull rod 224. Through the insertion and matching of the protrusion and the groove of the locking seat 221 and the adjusting seat 222, the abutting position between the main wing 100 and the side wing 200 can be automatically corrected, the abutting of the main wing 100 and the side wing 200 is more closely, the stability and wind load resistance of the connection are enhanced, and the reliability of the sail under high wind speed conditions is ensured. The locking pull rod 224 is hinged with the adjusting seat 222 through the locking pin 223, so that the locking assembly 22 can adjust the angle of expansion, which helps to achieve quick locking or release when the sail is unfolded or folded. A bolt hole can be reserved on the locking seat 221, and the other end of the locking pull rod 224 has a corresponding slot. When the pull rod is retracted and the retraction seat is abutted, the bolt is inserted into both of them to complete the stable connection, the operation is gradual, and it is suitable for quick locking or release. It should be noted that the locking seat 221 can be but is not limited to a hydraulic locking seat, which is not limited here. The locking seat 221 and the adjusting seat 222 can be fixedly connected with the main wing 100 and the side wing 200 respectively through the bolts 15, and the specific connection mode is not limited here.

[0046] In order to improve the adjustability of the sail, in some embodiments, a plurality of side wings 200, hinged assemblies 1 and locking drive mechanisms 2 are provided. The plurality of side wings 200 are symmetrically arranged along the extension direction of the length of the main wing 100 in sequence, each hinged assembly 1 is used to connect two adjacent side wings 200 and the main wing 100 and its adjacent side wing 200, and each locking drive mechanism 2 is used to lock or release the two adjacent side wings 200 connected by the hinged assembly 1 and the main wing 100 and its adjacent side wing 200. Through the provision of a plurality of side wings 200, the unfolded area of the sail can be adjusted according to the actual wind conditions, and greater operational flexibility is provided. Each side wing 200 can be controlled individually, so that the sail can be partially unfolded to adapt to different wind speed and direction conditions. The side wings 200 are symmetrically arranged on both sides of the main wing 100, so that the wind load is evenly distributed to both sides of the main wing 100, reducing the risk of structural deformation and improving wind resistance. The hinged assembly 1 connects the adjacent two side wings 200 and the main wing 100 and its adjacent side wing 200, and the locking drive mechanism 2 fastens each connection point, further enhancing the rigidity and stability of the overall structure.

[0047] The utility model also provides a kind of ship, including support mast and the multiple airfoils of any one embodiment in above, wherein main wing 100 is fixedly connected with support mast. Through the linkage design of hinged component 1 and locking drive mechanism 2 in multiple airfoils, utilize connecting rod component 21 to drive side wing 200 rotation around the hinge point of hinged component 1, realize that side wing 200 is automatically unfolded or folded, need not manual operation, simplify operation process, ensure that side wing 200 is quickly and accurately completed unfolding or folding operation, reduce ship adjustment time;Utilize locking assembly 22, when side wing 200 unfolds, locking assembly 22 can lock the butt joint state of main wing 100 and side wing 200, effectively transfer the wind load that side wing 200 bears to main wing 100, avoid the risk of connection structure failure under high wind speed condition;When side wing 200 is folded, locking assembly 22 can release side wing 200, so that main wing 100 and side wing 200 are disconnected, effectively reduce wind area, reduce the wind resistance of airfoil, suitable for ship berthing, wind speed exceeds rated wind speed etc.;And locking assembly 22 and hinged component 1 can effectively guarantee the reliability of the connection of main wing 100 and side wing 200, under high wind speed or bad weather condition, avoid side wing 200 slackening or disengaging, improve the security of structure connection, can adjust side wing 200 angle or form under different wind conditions, to optimize the aerodynamic performance of airfoil, improve navigation efficiency.

[0048] Obviously, the above embodiments of the utility model are only for clear illustration of the utility model, and are not limited to the embodiments of the utility model. For ordinary skilled in the art, can make various obvious changes, re-adjustment and replacement without departing from the protection scope of the utility model. Here, it is not necessary and impossible to enumerate all the embodiments. Any modification, equivalent replacement and improvement, etc. within the spirit and principle of the utility model should be included in the protection scope of the utility model claims.

Claims

1. A multi-wing sail comprising a main wing (100) and a side wing (200) provided on at least one side of the main wing (100) in the direction of the length extension of the main wing (100), characterized in that, The multi-wing sail further comprises: a hinged assembly (1) arranged at the abutting edges of the main wing (100) and the side wing (200) for abutting the main wing (100) and the side wing (200), the side wing (200) being rotatable around the hinge point of the hinged assembly (1) to facilitate the unfolding or folding of the side wing (200); a locking driving mechanism (2) comprising a connecting rod assembly (21) and a locking assembly (22), one end of the connecting rod assembly (21) being connected with the main wing (100), the other end of the connecting rod assembly (21) being connected with the side wing (200) for driving the side wing (200) to unfold or fold around the hinge point of the hinged assembly (1); the locking assembly (22) being arranged at the abutting edges of the main wing (100) and the side wing (200) for locking the abutting state of the main wing (100) and the side wing (200) when the side wing (200) is unfolded, and releasing the abutting state of the main wing (100) and the side wing (200) when the side wing (200) is folded.

2. The multi-foil kite of claim 1, wherein, The hinged assembly (1) is arranged at one side of the pressure surface of the main wing (100) and the side wing (200), and the locking driving mechanism (2) is arranged at one side of the lift surface of the main wing (100) and the side wing (200).

3. A multi-foil kite according to claim 2, characterised in that, The hinged assembly (1) is arranged at one end of the abutting edges of the main wing (100) and the side wing (200) along the length direction, and the locking assembly (22) is arranged at the other end of the abutting edges of the main wing (100) and the side wing (200) along the length direction away from the hinged assembly (1).

4. The multi-foil kite of claim 2, wherein, The hinged assembly (1) comprises a first shaft sleeve (11), a second shaft sleeve (12) and a rotating shaft (13), the first end of the first shaft sleeve (11) being selectively fixedly connected to any one of the abutting edges of the main wing (100) and the side wing (200), the first end of the second shaft sleeve (12) being fixedly connected to the other abutting edge opposite to the first shaft sleeve (11), and the rotating shaft (13) being arranged through the second ends of the first shaft sleeve (11) and the second shaft sleeve (12) so that the first shaft sleeve (11) and the second shaft sleeve (12) are hinged.

5. The multi-foil kite of claim 4, wherein, The hinged assembly (1) further comprises end covers (14) mounted at both ends of the rotating shaft (13) for limiting the displacement of the rotating shaft (13).

6. The multi-foil kite of claim 5, wherein, The hinged assembly (1) further comprises a bolt (15) capable of fixedly connecting the first end of the first shaft sleeve (11) to the abutting edge of the main wing (100) or the side wing (200), and a filler (16) capable of filling the gap between the first end of the first shaft sleeve (11) and the contact surface of the abutting edge; and / or The bolt (15) can fix the first end of the second shaft sleeve (12) on the other butt joint edge opposite to the first shaft sleeve (11); and the filler (16) can fill the gap between the first end of the second shaft sleeve (12) and the contact surface of the butt joint edge.

7. The multi-foil kite according to claim 2, characterized in that, The connecting rod assembly (21) comprises a first connecting arm (211), a connecting rod arm (212), a second connecting arm (213) and a driving motor, the main wing (100), the first connecting arm (211), the connecting rod arm (212), the second connecting arm (213) and the side wing (200) are sequentially hinged to form a foldable connecting rod structure, and the driving motor is installed on the multi-wing sail and connected with the first connecting arm (211) at the output end to drive the unfolding or folding of the connecting rod assembly (21).

8. The multi-foil kite of claim 7, wherein, The locking assembly (22) comprises a locking seat (221), an adjusting seat (222), a lock pin (223) and a locking pull rod (224), the locking seat (221) is selectively arranged on any one of the butt joint edges of the main wing (100) and the side wing (200), the adjusting seat (222) is arranged on the other butt joint edge opposite to the locking seat (221), any one of the opposite surfaces of the locking seat (221) and the adjusting seat (222) is provided with a protrusion, the other is provided with a groove, and the protrusion and the groove are inserted, one end of the locking pull rod (224) is hinged with the adjusting seat (222) through the lock pin (223), and the other end is connected with the locking seat (221) so as to lock or release the locking pull rod (224) by the locking seat (221).

9. The multi-foil kite according to any of claims 1-8, characterized in that, The side wing (200), the hinge assembly (1) and the locking driving mechanism (2) are provided in plurality, the plurality of side wings (200) are symmetrically arranged along the extension direction of the length of the main wing (100) in sequence, each hinge assembly (1) is used for connecting two adjacent side wings (200) and the main wing (100) and the adjacent side wing (200) thereof, and each locking driving mechanism (2) is used for locking or releasing the two adjacent side wings (200) and the main wing (100) and the adjacent side wing (200) thereof connected by the hinge assembly (1).

10. A vessel comprising a support mast, characterised in that, The ship further comprises the multi-wing sail according to any one of claims 1-9, and the main wing (100) is fixedly connected with the support mast.

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