Novel sail base with folding, rotating and locking functions

Abstract

The utility model belongs to the field of ship sails, and relates to a novel sail base with folding, rotating and locking functions. A novel sail base with folding, rotating and locking functions is characterized by comprising a folding mechanism (100) for driving sail blades (1) to pitch; a locking mechanism (200) for fixing the sail (1) in an upright and toppled state; the rotary mechanism (300) drives the sail blade (1) to rotate around a shaft of the sail blade (1); the base structure (400) is connected with the sail blade (1) and a deck; wherein the swing mechanism (300) is arranged at the upper part of the folding mechanism (100), and the folding mechanism (100) and the locking mechanism (200) are respectively coupled with the base structure (400); the sail (1) shares a set of locking mechanism (200) in the upright and toppling states. The sail base is easy to maintain, simple in structure, reasonable in structural design, more in function and high in operation safety and ship applicability.

Description

Technical Field

[0001] The invention belongs to the field of ship sails and relates to a novel sail base with folding, rotating and locking functions. Background Art

[0002] At present, the level of greening of ships is increasing day by day, and countries are actively developing various energy-saving and emission-reduction technologies. Among them, with the research and development of information technology and modern sail theory, sail-assisted propulsion, as the oldest energy-saving technology, has returned to the stage of green application in shipping. In recent years, hard wing-shaped sails have been demonstrated on ultra-large VLCC oil tankers. The sail-assisted propulsion of the "Kaili Lun" VLCC fully proves the effectiveness of wing-shaped hard sails in ship energy conservation and emission reduction, marking that my country has made a breakthrough in the promotion and application of ship sail resources. At present, the engineering application research of sails has increased the number of wing-shaped sails from one pair of sails equipped on the "Kaili Lun" to two pairs of sails equipped on the "Xin Yidun", and the sail blades have been upgraded from metal to non-metallic carbon fiber materials. After actual ship testing, the project's sail-assisted propulsion application effect is significant. How to improve the lightweight and intelligent control of the sail device, improve the convenience of maintenance and the applicability of the ship type, has become the key direction of future research and development of sail-assisted propulsion devices.

[0003] The existing rigid wing-shaped sail products adopt a mast and sail blade structure, and realize automatic lifting and angle adjustment of the sail blade by setting a lifting system and a rotation system, so as to effectively utilize wind resources. During the lifting process of the rigid wing-shaped sail, the mast and the sail blade must be upright, which has the problems of difficult sail maintenance, complex structure, unreasonable structural design, single function, low operational safety and ship applicability. Summary of the invention

[0004] In order to solve the problems of the prior art such as difficulty in sail maintenance, complex structure, unreasonable structural design, single function, low operational safety and ship applicability, the present invention provides a new type of sail base with folding, rotating and locking functions, which is characterized by: comprising a folding mechanism for driving the sail blades to pitch; a locking mechanism for fixing the sail blades in an upright and tilted state; a rotating mechanism for driving the sail blades to rotate around their axes and a base structure connecting the sail blades and the deck; wherein the rotating mechanism is arranged on the upper part of the folding mechanism, and the folding mechanism and the locking mechanism are respectively coupled to the base structure; the sail blades share a set of locking mechanisms in the upright and tilted states; and the locking mechanism is rotatably arranged on the base structure.

[0005] According to the novel sail base with folding, rotating and locking functions described above, the rotating mechanism includes: a rotating bearing; a rotating bearing upper structure connecting the sail blade and the rotating bearing; the sail blade and the rotating bearing upper structure are fixedly connected by a rotating bearing follower bolt; a rotating bearing lower structure is arranged at the lower part of the rotating bearing; the rotating bearing lower part and the rotating bearing lower structure are fixedly connected by a rotating bearing fixing bolt;

[0006] The slewing bearing is a cylindrical bearing structure, which realizes the supporting transition function for the sail blade and the lower structure of the slewing bearing; the slewing bearing has a built-in slewing drive motor; the slewing drive motor is arranged on the slewing motor mounting platform; a slewing gear ring is arranged on the inner wall of the upper structure of the slewing bearing; the slewing drive motor shaft is connected to a slewing drive gear meshing with the slewing gear ring;

[0007] A slewing drive equipment room is arranged at the bottom of the slewing bearing lower structure as a maintenance space for the slewing drive motor; the slewing drive equipment room has a circular opening at the top, a square opening at the bottom, and a curved transition structure in the middle elevation.

[0008] According to the novel sail base with folding, rotating and locking functions described above, the folding mechanism comprises: a cylinder seat hinge shaft arranged at the lower part of the base structure; a cylinder rod hinge shaft arranged at the lower part of the rotating mechanism; a cylinder body arranged between the cylinder seat hinge shaft and the cylinder rod hinge shaft; the bottom of the cylinder barrel of the cylinder body is hinged to the cylinder seat hinge shaft; the top of the cylinder piston rod of the cylinder body is hinged to the cylinder rod hinge shaft; there are 2, 4, or more cylinder bodies;

[0009] Among them, the cylinder seat hinge shaft connects the cylinder barrel and the base structure to realize the rotation of the cylinder body around the cylinder rod hinge shaft; when the cylinder piston rod is fully retracted, the sail blade is in an upright state, and when the cylinder piston rod is fully extended, the sail blade is in a dumped and recovered state; the cylinder rod hinge shaft connects the cylinder piston rod and the slewing mechanism to realize that the cylinder piston rod and the slewing mechanism can rotate relatively when the slewing mechanism is dumped or erected together with the sail blade.

[0010] According to the novel sail base with folding, rotating and locking functions described above, the base structure includes a base frame; a base limit block is arranged on the side wall of the base frame; and a claw drive mechanism support and a base clamping protrusion are arranged on the top of the base frame.

[0011] According to the novel sail base with folding, rotating and locking functions described above, the locking mechanism includes: a pitching axis connecting the base structure and the rotating mechanism; a stop arm fixedly arranged at the bottom of the rotating mechanism; a stop arm clamping protrusion arranged at the bottom of the stop arm; a drive device clamping protrusion arranged on the rotating mechanism; a claw driving mechanism arranged at the top of the base structure; and a locking claw arranged on the claw driving mechanism;

[0012] A driving device latch is arranged between the rotary driving devices, and the locking claw can engage with the driving device latch and the stop arm latch respectively when the sail blade is in an upright state and a tilted state, so as to realize the mechanical locking function; the claw driving mechanism realizes the horizontal movement of the locking claw along the claw driving mechanism support, so as to realize the mechanical engagement and disengagement of the locking claw with the stop arm latch and the base latch.

[0013] According to the novel sail base with folding, rotating and locking functions described above, the locking claw is a U-shaped concave section, and the U-shaped concave section is engaged with the trapezoidal convex section of the base clamp.

[0014] According to the new sail base with folding, rotating and locking functions described above, there is one locking claw, which is arranged on the top of the base frame and corresponds to the convex position of the base; the claw driving mechanism has a manual emergency operation function. When the power of the claw driving mechanism fails, the locking claw can be disengaged and locked through manual emergency operation.

[0015] According to the novel sail base with folding, rotating and locking functions described above, the number of the claw driving mechanisms is one, two, or more.

[0016] According to the novel sail base with folding, rotating and locking functions described above, the claw driving mechanism can be of various types such as an electric push rod, an electric lead screw, a hydraulic push rod, etc.

[0017] According to the novel sail base with folding, rotating and locking functions described above, the base frame is a frame structure and cylinder through holes are symmetrically arranged on the top of the base frame to prevent the cylinder piston rod of the folding mechanism from interfering with the base frame during the extension and retraction process.

[0018] The advantages of the present invention compared with the prior art are:

[0019] 1. The present invention realizes the conventional support function of the sail blades, and integrates the folding mechanism, the rotating mechanism, the locking mechanism and the base structure, so as to safely and efficiently realize the folding, rotating and safe locking functions of the hard airfoil sail.

[0020] 2. The slewing mechanism of the present invention is arranged above the folding mechanism. Compared with the traditional slewing mechanism arranged below the base, the slewing bearing selection size is smaller, the overall structure size of the base is smaller, and it is highly applicable to ship layout; and after the sail is folded, it is rotated by the slewing mechanism to ensure that the sail is always recovered along the setting direction, and the operation is safer.

[0021] 3. The oil cylinder of the present invention is arranged vertically, and the oil cylinder body is arranged inside the base frame, which minimizes the space occupied by the base, is friendly to the installation and modification of new shipbuilding, and greatly improves the applicability of ship types.

[0022] 4. The sail blade erection and dumping operations of the present invention share a set of locking claws and driving mechanism, which greatly simplifies the base structure and equipment configuration, ensures the safety and efficiency of the locking function, saves costs and improves economy.

[0023] 5. The overall structure of the present invention is compact and reasonably arranged, which maximizes the functional diversity, operational safety and ship applicability of the hard wing sail and has good applicability to various ship types such as oil tankers, bulk carriers, ore carriers, roll-on / roll-off ships, etc. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 A schematic structural diagram of a novel sail base with folding, rotating and locking functions according to the present invention.

[0025] Figure 2 A structural schematic diagram of a sail folding and retracting state of a novel sail base with folding, rotating and locking functions according to the present invention.

[0026] Figure 3 An axial view of a structural schematic diagram of a swivel mechanism of a novel sail base with folding, swivel and locking functions according to the present invention.

[0027] Figure 4 A front view of a structural schematic diagram of a swivel mechanism of a novel sail base with folding, swivel and locking functions according to the present invention.

[0028] Figure 5 A top view of a structural schematic diagram of a swivel mechanism of a novel sail base with folding, swivel and locking functions according to the present invention.

[0029] Figure 6 A schematic diagram of a locking claw of a locking mechanism of a novel sail base with folding, rotating and locking functions of the present invention in a released state.

[0030] Figure 7 A schematic diagram of a locking claw of a locking mechanism of a novel sail base with folding, rotating and locking functions according to the present invention being ready to be positioned.

[0031] Figure 8 A schematic diagram of a locking state of a locking claw of a locking mechanism of a novel sail base with folding, rotating and locking functions of the present invention.

[0032] Fig. 9 A top view of a base structure schematic diagram of a novel sail base with folding, rotating and locking functions of the present invention.

[0033] Fig.10 A cross-sectional view taken along the AA line of a top view of a schematic diagram of a base structure of a novel sail base with folding, rotating and locking functions according to the present invention.

[0034] Fig.11 An axial view of a schematic diagram of a base structure of a novel sail base with folding, rotating and locking functions according to the present invention.

[0035] Fig.12A schematic structural diagram of a rotating mechanism and a locking mechanism of a novel sail base with folding, rotating and locking functions according to the present invention.

[0036] Fig.13 A schematic diagram of a sail dumping, recovery and locking state of a novel sail base with folding, rotating and locking functions of the present invention.

[0037] Fig.14 A schematic diagram of a novel sail base with folding, rotating and locking functions of the present invention, in which a sail dumping locking mechanism is loosened and the oil cylinder is ready to be retracted.

[0038] Fig.15 A schematic diagram of a state in which a locking mechanism is disengaged and a cylinder rod is retracted during the sail raising process of a novel sail base with folding, rotating and locking functions of the present invention.

[0039] Fig.16 A schematic diagram of a novel sail base with folding, rotating and locking functions of the present invention, in which the sail is upright and the locking mechanism is loosened in a state ready for locking.

[0040] Fig.17 A schematic diagram of the locking state of a sail upright locking mechanism of a novel sail base with folding, rotating and locking functions of the present invention.

[0041] In the figure: 1: sail blade; 100: folding mechanism; 101: cylinder seat hinge shaft; 102: cylinder body; 103: cylinder rod hinge shaft; 112: cylinder barrel; 113: cylinder piston rod; 200: locking mechanism; 201: pitching axis; 211: pitching axis sleeve; 202: stop arm; 203: stop arm clamping convex; 205: claw driving mechanism; 206: locking claw; 300: slewing mechanism; 301: slewing bearing; 302: slewing bearing upper structure; 303: slewing bearing follower bolt; 304: slewing bearing lower 305: slewing bearing fixing bolt; 306: slewing drive motor; 307: slewing motor mounting platform; 308: slewing gear ring; 309: slewing drive gear; 310: slewing drive equipment room; 311: drive equipment room clamping convex; 400: base structure; 401: base frame; 402: base limit block; 403: claw drive mechanism support; 404: base clamping convex; 411: cylinder through hole; 414: clamping convex upper inclined surface; 424: clamping convex vertical surface; 434: clamping convex side vertical surface; 444: clamping convex lower inclined surface. DETAILED DESCRIPTION

[0042] Preferred embodiment 1

[0043] A novel sail base with folding, rotating and locking functions comprises a folding mechanism 100 for driving the sail blade 1 to pitch; a locking mechanism 200 for fixing the sail blade 1 in an upright and tilted state; a rotating mechanism 300 for driving the sail blade 1 to rotate around its axis and a base structure 400 connecting the sail blade 1 and the deck; wherein the rotating mechanism 300 is arranged on the upper part of the folding mechanism 100, and the folding mechanism 100 and the locking mechanism 200 are respectively coupled to the base structure 400; the sail blade 1 shares a set of locking mechanisms 200 in an upright and tilted state; and the locking mechanism 200 is rotatably arranged on the base structure 400.

[0044] The slewing mechanism 300 includes: a slewing bearing 301; a slewing bearing upper structure 302 connecting the sail blade 1 and the slewing bearing 301; the sail blade 1 and the slewing bearing upper structure 302 are fixedly connected by a slewing bearing follower bolt 303; a slewing bearing lower structure 304 is provided at the lower part of the slewing bearing 301; the lower part of the slewing bearing 301 and the slewing bearing lower structure 304 are fixedly connected by a slewing bearing fixing bolt 305;

[0045] The slewing bearing 301 is a cylindrical bearing structure, which realizes the supporting transition function for the sail blade 1 and the slewing bearing lower structure 304; the slewing bearing 301 has a built-in slewing drive motor 306; the slewing drive motor 306 is arranged on a slewing motor mounting platform 307; a slewing gear ring 308 is arranged on the inner wall of the slewing bearing upper structure 302; the slewing drive motor 306 shaft is connected to a slewing drive gear 309 meshing with the slewing gear ring 308;

[0046] A slewing drive equipment room 310 is provided at the bottom of the slewing support lower structure 304 as a maintenance space for the slewing drive motor 306; the slewing drive equipment room 310 has a circular opening at the top, a square opening at the bottom, and a curved transition structure in the middle elevation.

[0047] The folding mechanism 100 comprises: a cylinder seat hinge shaft 101 arranged at the lower part of the base structure 400; a cylinder rod hinge shaft 103 arranged at the lower part of the slewing mechanism 300; a cylinder body 102 arranged between the cylinder seat hinge shaft 101 and the cylinder rod hinge shaft 103; the bottom of the cylinder barrel 112 of the cylinder body 102 is hinged to the cylinder seat hinge shaft 101; the top of the cylinder piston rod 113 of the cylinder body 102 is hinged to the cylinder rod hinge shaft 103; there are 2, 4, or more cylinder bodies 102;

[0048] Among them, the cylinder seat hinge shaft 101 connects the cylinder barrel 112 and the base structure 400, so that the cylinder body 102 can rotate around the cylinder rod hinge shaft 103; when the cylinder piston rod 113 is fully retracted, the sail blade 1 is in an upright state, and when the cylinder piston rod 113 is fully extended, the sail blade 1 is in a dumped and recovered state; the cylinder rod hinge shaft 103 connects the cylinder piston rod 113 and the rotating mechanism 300, so that the cylinder piston rod 113 and the rotating mechanism 300 can rotate relative to each other during the process of the rotating mechanism 300 dumping or erecting together with the sail blade 1.

[0049] The base structure 400 includes a base frame 401 ; a base limit block 402 is arranged on the side wall of the base frame 401 ; a claw driving mechanism support 403 and a base clamping protrusion 404 are arranged on the top of the base frame 401 .

[0050] The locking mechanism 200 includes: a pitch axis 201 connecting the base structure 400 and the slewing mechanism 300; a stop arm 202 fixedly disposed at the bottom of the slewing mechanism 300; a stop arm clamping protrusion 203 disposed at the bottom of the stop arm 202; a drive device clamping protrusion 311 disposed on the slewing mechanism 300; a claw driving mechanism 205 disposed at the top of the base structure 400; and a locking claw 206 disposed on the claw driving mechanism 205;

[0051] A driving device inter-device latch 311 is provided between the rotary driving device and the driving device inter-device latch 310. The locking claw 206 can engage with the driving device inter-device latch 311 and the stop arm latch 203 respectively when the sail blade 1 is in an upright state and a tilted state, thereby realizing a mechanical locking function. The claw driving mechanism 205 realizes the horizontal movement of the locking claw 206 along the claw driving mechanism support 403, thereby realizing the mechanical engagement and disengagement of the locking claw 206 with the stop arm latch 203 and the base latch 404.

[0052] The locking claw 206 is a U-shaped concave cross-section, which is engaged with the trapezoidal convex cross-section of the base protrusion 404 .

[0053] There is one locking claw 206, which is arranged on the top of the base frame 401 and corresponds to the position of the base protrusion 404; the claw driving mechanism 205 has a manual emergency operation function. When the power of the claw driving mechanism 205 fails, the locking claw 206 can be disengaged and locked through manual emergency operation.

[0054] There are two claw driving mechanisms 205.

[0055] The claw driving mechanism 205 can be of various types such as an electric push rod, an electric lead screw, a hydraulic push rod, etc.

[0056] The base frame 401 is a frame structure, and a cylinder through hole 411 is symmetrically arranged on the top of the base frame 401 to prevent the cylinder piston rod 113 of the folding mechanism 100 from interfering with the base frame 401 during the extension and retraction process.

[0057] When the sail blade 1 is in an upright state, the cylinder piston rod 113 is in a retracted state, and the stop arm 202 realizes the mechanical limitation of the sail blade 1 through the base limit block 402 and the base frame 401; the base clamping protrusion 404 and the driving device clamping protrusion 311 are respectively engaged with the locking claw 206 to realize the mechanical limitation of the sail blade 1, and the locking mechanism 200 arranged on the base frame 401 jointly ensures that the sail blade 1 is in an upright working mechanical locking state. At this time, the force on the cylinder piston rod 113 is released, which protects the safe operation of the cylinder equipment, and the cylinder hydraulic system does not need to be under pressure all the time, reducing the energy consumption and safety risks of the hydraulic system.

[0058] When the sail blade 1 is in a folded and recovered state, the cylinder piston rod 113 is in an extended state, and the base latch 404, the stop arm latch 203 and the locking claw 206 are engaged to realize the mechanical limitation of the sail blade 1. The locking mechanism 200 arranged on the base frame 401 jointly ensures that the sail blade 1 is in a mechanical locking state for upright operation. At this time, the force on the cylinder piston rod 113 is released to protect the safe operation of the cylinder equipment, and the cylinder hydraulic system does not need to be under pressure all the time, which reduces the energy consumption and safety risks of the hydraulic system.

[0059] Preferred embodiment 2

[0060] A new type of sail base with folding, rotating and locking functions: including a folding mechanism 100 for pitching the sail blade 1; a locking mechanism 200 for fixing the sail blade 1 in the pitching state; a rotating mechanism 300 for driving the sail blade 1 to rotate around its axis and a base structure 400 connecting the sail blade 1 and the deck; wherein the rotating mechanism 300 is arranged on the upper part of the folding mechanism 100, and the folding mechanism 100 and the locking mechanism 200 are respectively coupled to the base structure 400; the sail blade 1 shares a set of locking mechanisms 200 in the upright and tilted states; the locking mechanism 200 is rotatably arranged on the base structure 400.

[0061] The slewing mechanism 300 includes: a slewing bearing 301; a slewing bearing upper structure 302 connecting the sail blade 1 and the slewing bearing 301; the sail blade 1 and the slewing bearing upper structure 302 are fixedly connected by a slewing bearing follower bolt 303; a slewing bearing lower structure 304 is arranged at the lower part of the slewing bearing 301; the lower part of the slewing bearing 301 and the slewing bearing lower structure 304 are fixedly connected by a slewing bearing fixing bolt 305;

[0062] The slewing bearing 301 is a cylindrical bearing structure, which realizes the supporting transition function for the sail blade 1 and the slewing bearing lower structure 304; the slewing bearing 301 has a built-in slewing drive motor 306; a slewing motor mounting platform 307 for mounting the slewing drive motor 306; a slewing gear ring 308 arranged on the inner wall of the slewing bearing upper structure 302 and a slewing drive gear 309 connected to the shaft of the slewing drive motor 306 and meshing with the slewing gear ring 308;

[0063] The slewing drive motor 306 is of an electric motor drive or hydraulic drive type; the slewing drive motor 306 is fixedly arranged on the slewing motor mounting platform 307, and the slewing drive motor 306 rotates to drive the slewing drive gear 309 to rotate, and the slewing drive gear 309 is engaged with the slewing ring gear 308, driving the slewing ring gear 308 to rotate around the slewing support lower structure 304, and the slewing ring gear 308 drives the slewing support upper structure 302 and the sail blade 1 to rotate, and can realize the clockwise and counterclockwise rotation of the sail blade 1, thereby adjusting the windward angle of the sail blade 1, and maximizing the use of wind power to achieve the ship propulsion effect.

[0064] A slewing drive equipment room 310 is provided at the bottom of the slewing support lower structure 304 as a maintenance space for the slewing drive motor 306; the slewing drive equipment room 310 has a circular opening at the top, a square opening at the bottom, and a curved transition structure in the middle elevation;

[0065] There are two or three slewing drive motors 306 in order to fully consider the redundancy of the sail base and maximize the reliability of the slewing drive operation.

[0066] The slewing mechanism 300 is arranged below the sail blade 1 and above the folding mechanism 100. The slewing mechanism 300 can be folded along with the sail blade 1. During the tilting and folding process of the sail blade 1, the slewing mechanism 300 can drive the sail blade 1 to realize the slewing operation, so as to minimize the wind force load on the sail blade 1. The slewing bearing 301 can realize the supporting effect on the upper sail blade 1, and can withstand the loads such as the axial force, radial force and overturning moment generated by the structure of the upper sail blade 1. The slewing drive motor 306 can realize the upper sail blade 1 relative to the lower slewing drive motor in the horizontal plane. The rotary drive equipment room 310 and the base frame 401 can realize the rotation angle adjustment of the sail blade 1 under different wind direction angles, maximize the use of wind power effect, and achieve a boosting effect. Preferably, the rotary mechanism 300 can realize the rotation function of the sail blade 1 within the range of 180° to 360°; the rotary drive equipment room 310 is an important structure in which the rotary mechanism 300, the folding mechanism 100, and the locking mechanism 200 are coupled to each other. The internal space of the rotary drive equipment room 310 can be used as a layout and maintenance space for the rotary drive motor 306.

[0067] The folding mechanism 100 comprises: a cylinder seat hinge shaft 101 arranged at the lower part of the base structure 400; a cylinder rod hinge shaft 103 arranged at the lower part of the slewing mechanism 300; the bottom of the cylinder barrel 112 of the cylinder body 102 is hinged to the cylinder seat hinge shaft 101; the top of the cylinder piston rod 113 of the cylinder body 102 is hinged to the cylinder rod hinge shaft 103; the cylinder body 102 has 2, 4, or more cylinder bodies;

[0068] Among them, the cylinder seat hinge shaft 101 connects the cylinder barrel 112 and the base structure 400, so that the cylinder body 102 can rotate around the cylinder rod hinge shaft 103; when the cylinder piston rod 113 is fully retracted, the sail blade 1 is in an upright state, and when the cylinder piston rod 113 is fully extended, the sail blade 1 is in a dumped recovery state; the cylinder rod hinge shaft 103 connects the cylinder piston rod 113 and the slewing mechanism 300, so that the cylinder piston rod 113 and the slewing mechanism 300 can rotate relatively during the dumping or erection of the slewing mechanism 300 together with the sail blade 1;

[0069] There are two cylinder seat hinge shafts 101, cylinder body 102, and cylinder rod hinge shafts 103, which are respectively located on both sides of the base frame 401 and the rotary drive device room 310, and are arranged symmetrically, fully considering the redundancy of the sail base and maximizing the reliability of the folding operation.

[0070] The base structure 400 includes a base frame 401; a base limit block 402 is arranged on the side wall of the base frame 401, and a claw driving mechanism support 403 and a base clamping protrusion 404 are arranged on the top of the base frame 401;

[0071] The base frame 401 is mainly used to bear the external superimposed loads such as wind power, gravity and inertial load on the sail 1 when the sail 1 is in the folded, rotated and locked states, and to carry the arrangement and structural connection of each actuator to realize the installation of the sail 1 on the ship structure; preferably, the base frame 401 is a square frame structure. In order to reduce the weight of the base, a hollow design can be adopted under the premise of ensuring the strength of the base; the base limit block 402 is arranged at the bottom of the base frame 401 and is aligned with the end of the stop arm 202. When the sail 1 is in the upright state, mechanical limitation with the stop arm 202 is realized. Preferably, there is one base limit block 402, which is arranged at the coupling position of the stop arm 202; the claw drive mechanism support 403 is arranged at the top of the base frame 401, and there is one claw drive mechanism support 403.

[0072] The locking mechanism 200 includes: a pitch axis 201 connecting the base structure 400 and the slewing mechanism 300; a stop arm 202 fixedly disposed at the bottom of the slewing mechanism 300; a stop arm clamping protrusion 203 disposed at the bottom of the stop arm 202; a drive device clamping protrusion 311 disposed on the slewing mechanism 300; a claw driving mechanism 205 disposed at the top of the base structure 400; and a locking claw 206 disposed on the claw driving mechanism 205;

[0073] Among them, the pitch axis 201 connects the slewing drive device room 310 and the base frame 401, so that when the slewing drive device room 310 is tilted or erected together with the sail blade 1, the slewing drive device room 310 and the base frame 401 can rotate relatively; one end of the stop arm 202 is connected to the slewing drive device room 310, and the other end of the stop arm 202 is provided with a stop arm clamping protrusion 203. When the sail blade 1 is in the upright state, the stop arm 202 is in a vertical state, and at this time, the end of the stop arm 202 realizes mechanical limiting with the base limit block 402. When the sail blade 1 is tilted and recovered, the stop arm 202 is in a horizontal state, and the stop arm clamping protrusion 203 at the end of the stop arm 202 cooperates with the locking claw 206 to realize mechanical locking; the slewing drive device room 310 is provided with a stop arm clamping protrusion 203 A drive device inter-clamp 311 is arranged, and when the sail blade 1 is in an upright state, the drive device inter-clamp 311 is in a horizontal state and cooperates with the locking claw 206 to realize mechanical locking; when the sail blade is in a tilted and recovered state, the drive device inter-clamp 311 is in a vertical free state; a locking claw 206 and a claw driving mechanism 205 are arranged above the base frame 401, and the locking claw 206 can be respectively engaged with the drive device inter-clamp 311 and the stop arm clamp 203 when the sail blade 1 is in the upright state and the tilted state to realize the mechanical locking function; the claw driving mechanism 205 realizes the horizontal movement of the locking claw 206 along the claw driving mechanism support 403, and realizes the mechanical engagement and disengagement of the locking claw 206 with the stop arm clamp 203 and the base clamp 404.

[0074] The pitch axis 201 is a through axis connected to both sides of the rotary drive equipment room 310; or it is two short axes, respectively located on both sides of the base frame 401 and the rotary drive equipment room 310, and arranged symmetrically; there are one stop arm 202 and one stop arm clamping protrusion 203, and the stop arm 202 is arranged at the bottom of the rotary drive equipment room 310; there is one drive equipment room clamping protrusion 311, which is arranged on the side wall of the drive equipment room 310;

[0075] The locking claw 206 includes a base protrusion 404, a limit protrusion, a locking claw, a claw driving mechanism, and a claw driving mechanism support.

[0076] The base clamping protrusion 404 is fixed on the top of the base frame. Preferably, the base clamping protrusion 404 is a trapezoidal convex cross-section, the boss is horizontally facing the outside of the base, there are two base clamping protrusions 404, which are arranged symmetrically along the Y direction, and a limit clamping protrusion is arranged in the middle of the base clamping protrusion 404;

[0077] The limiting convex refers to the driving device convex 311 or the stop arm convex 203. The driving device convex 311 and the stop arm convex 203 are respectively fixed on the rotary driving device 310 and the stop arm 202. When the sail is in an upright state, the driving device convex 311 acts as a limiting convex. At this time, the driving device convex 311 is arranged between the two base convex 404, and the rotary driving device convex 311 is mechanically limited by the two base convex 404 in the Y direction and cannot move; when the sail is in a tilted state, the stop arm convex 203 acts as a limiting convex. At this time, the stop arm convex 203 is arranged between the two base convex 404, and the stop arm convex 203 is mechanically limited by the two base convex 404 in the Y direction and cannot move; the limiting convex is a trapezoidal convex cross-section, the boss is horizontally facing the X direction, and there is one limiting convex.

[0078] The locking claw 206 is a claw structure that engages with the base protrusion 404 and the base protrusion 404. The locking claw 206 is a U-shaped concave cross-section, and the U-shaped concave cross-section engages with the trapezoidal convex cross-section of the base protrusion 404; the length of the locking claw 206 is greater than or equal to the sum of the lengths of the two base protrusions 404 and the one limiting protrusion in the Y direction, that is, the locking claw 206 can completely envelop, engage and lock the two base protrusions 404 and the one limiting protrusion when ready to be in place.

[0079] The locking claw 206 is arranged on the claw driving mechanism 205 , and the claw driving mechanism 205 realizes the horizontal movement of the locking claw 206 along the claw driving mechanism support 403 , thereby realizing the mechanical engagement and disengagement of the locking claw 206 with the base protrusion 404 and the limit protrusion.

[0080] The claw driving mechanism support 403 is fixed to the upper part of the base frame 401 to support the claw driving mechanism 205 .

[0081] When the locking claw 206 is in a loose state, the limiting protrusion is in an unconstrained state. At this time, the locking claw 206 is driven by the claw driving mechanism 205 to approach one end of the claw driving mechanism support 403;

[0082] When the locking claw 206 is in the ready-to-position state, the limiting cam moves to the locked position under the drive of the folding mechanism 100, and the limiting cam is overlapped with the upper cam slope 414, the cam vertical surface 424, and the lower cam slope 444 of the base cam 404;

[0083] When the locking claw 206 is in the locked state, the claw driving mechanism 205 drives the locking claw 206 to move close to the limit clamping protrusion and the base clamping protrusion 404, and makes the locking claw 206 fully meshed with the limit clamping protrusion and the base clamping protrusion 404. At this time, the limit clamping protrusion is in a fully constrained state in the three directions of X, Y and Z, and the limit clamping protrusion cannot move.

[0084] There is one locking claw 206, which is arranged on the top of the base frame 401 and corresponds to the position of the base protrusion 404; the claw driving mechanism 205 has a manual emergency operation function. When the power of the claw driving mechanism 205 fails, the locking claw 206 can be disengaged and locked through manual emergency operation.

[0085] There are two claw driving mechanisms 205.

[0086] The claw driving mechanism 205 can be of various types such as an electric push rod, an electric lead screw, a hydraulic push rod, etc.

[0087] The base frame 401 is a frame structure, and the bottom of the base frame 401 is laterally and longitudinally reinforced and fixedly arranged with the ship deck structure;

[0088] The top of the base frame 401 is symmetrically provided with oil cylinder through holes 411 to prevent the oil cylinder piston rod 113 of the folding mechanism 100 from interfering with the base frame 401 during the extension and retraction process.

[0089] A pitch rotation shaft sleeve 211 is fixedly arranged on the top of the base frame 401, and the pitch rotation shaft sleeve 211 cooperates with the pitch rotation shaft 201. The pitch rotation shaft sleeve 211 can be a shaft sleeve structure and can also be a bearing structure. The pitch rotation shaft sleeve 211 is symmetrically arranged; a base clamping protrusion 404 is fixedly arranged on the top of the base frame 401, and the base clamping protrusion 404 is symmetrically arranged in the Y direction; a claw driving mechanism support 403 is fixedly arranged at the center of the top of the base along the Y direction.

[0090] A base stop block 402 is provided at the bottom of the base frame 401. The base stop block 402 is provided on the side wall of the base frame and cooperates with the stop arm 202. Two cylinder rod hinge shafts 103 are provided at the bottom of the base frame 401. The cylinder rod hinge shafts 103 are symmetrically arranged.

[0091] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any person familiar with the technical field can make equivalent replacements or changes according to the technical scheme and inventive concept of the present invention within the technical scope disclosed by the present invention, which are all covered by the protection scope of the present invention. For example: splitting the locking mechanism 200 into two or more parts and setting them above the base frame 401; or setting the locking mechanism 200 similar to the principle of the present invention at other positions of the base frame 401; or aligning the convex surface of the base clamp 404 and the concave surface of the locking claw 206, and adopting a base clamp concave surface and a locking claw convex surface structure; or changing the two cylinder bodies 102 symmetrically arranged along the two sides of the base frame 401 of the present invention to be concentrated and compactly arranged in the middle of the base frame 401, etc.

Claims

1. A new type of sail base with folding, rotating and locking functions, comprising a folding mechanism (100) for driving a sail blade (1) to pitch; a locking mechanism (200) for fixing the sail blade (1) in an upright and tilted state; a rotating mechanism (300) for driving the sail blade (1) to rotate around its axis and a base structure (400) connecting the sail blade (1) and a deck; characterized in that: The slewing mechanism (300) is arranged on the upper part of the folding mechanism (100); the folding mechanism (100) and the locking mechanism (200) are respectively coupled to the base structure (400); the sail blade (1) shares a set of locking mechanisms (200) in the upright state and the tilted state; the locking mechanism (200) is rotatably arranged on the base structure (400).

2. The novel sail base with folding, rotating and locking functions according to claim 1 is characterized in that: The slewing mechanism (300) comprises: a slewing bearing (301); a slewing bearing upper structure (302) connecting the sail blade (1) and the slewing bearing (301); the sail blade (1) and the slewing bearing upper structure (302) are fixedly connected via a slewing bearing follower bolt (303); a slewing bearing lower structure (304) is arranged at the lower part of the slewing bearing (301); the lower part of the slewing bearing (301) and the slewing bearing lower structure (304) are fixedly connected via a slewing bearing fixing bolt (305); The slewing bearing (301) is a cylindrical bearing structure, which realizes the supporting transition function for the sail blade (1) and the slewing bearing lower structure (304); the slewing bearing (301) has a built-in slewing drive motor (306); the slewing drive motor (306) is arranged on a slewing motor mounting platform (307); a slewing gear ring (308) is arranged on the inner wall of the slewing bearing upper structure (302); the shaft of the slewing drive motor (306) is connected to a slewing drive gear (309) meshing with the slewing gear ring (308); A slewing drive equipment room (310) is arranged at the bottom of the slewing support lower structure (304) as a maintenance space for the slewing drive motor (306); the slewing drive equipment room (310) has a circular opening at the top, a square opening at the bottom, and a curved transition structure in the middle.

3. The novel sail base with folding, rotating and locking functions according to claim 2 is characterized in that: The folding mechanism (100) comprises: a cylinder seat hinge shaft (101) arranged at the bottom of the base structure (400); a cylinder rod hinge shaft (103) arranged at the bottom of the slewing mechanism (300); a cylinder body (102) arranged between the cylinder seat hinge shaft (101) and the cylinder rod hinge shaft (103); the bottom of the cylinder barrel (112) of the cylinder body (102) is hinged to the cylinder seat hinge shaft (101); the top of the cylinder piston rod (113) of the cylinder body (102) is hinged to the cylinder rod hinge shaft (103); the cylinder body (102) has two, four, or more cylinder bodies; The oil cylinder seat hinge shaft (101) connects the oil cylinder barrel (112) and the base structure (400) to realize the rotation of the oil cylinder body (102) around the oil cylinder rod hinge shaft (103); when the oil cylinder piston rod (113) is fully retracted, the sail blade (1) is in an upright state; when the oil cylinder piston rod (113) is fully extended, the sail blade (1) is in a tilted and recovered state; the oil cylinder rod hinge shaft (103) connects the oil cylinder piston rod (113) and the slewing mechanism (300) to realize that when the slewing mechanism (300) is tilted or erected together with the sail blade (1), the oil cylinder piston rod (113) and the slewing mechanism (300) can rotate relative to each other.

4. The novel sail base with folding, rotating and locking functions according to claim 1 or 3, characterized in that: The base structure (400) comprises a base frame (401); a base limit block (402) is arranged on the side wall of the base frame (401); and a claw drive mechanism support (403) and a base clamping protrusion (404) are arranged on the top of the base frame (401).

5. The novel sail base with folding, rotating and locking functions according to claim 4 is characterized in that: The locking mechanism (200) comprises: a pitch axis (201) connecting a base structure (400) and a slewing mechanism (300); a stop arm (202) fixedly arranged at the bottom of the slewing mechanism (300); a stop arm clamping protrusion (203) arranged at the bottom of the stop arm (202); a drive device clamping protrusion (311) arranged on the slewing mechanism (300); a claw driving mechanism (205) arranged at the top of the base structure (400); and a locking claw (206) arranged on the claw driving mechanism (205); A driving device inter-locking protrusion (311) is arranged between the rotary driving devices (310); the locking claw (206) can respectively engage with the driving device inter-locking protrusion (311) and the stop arm clamping protrusion (203) when the sail blade (1) is in an upright state or a tilted state, thereby realizing a mechanical locking function; the claw driving mechanism (205) realizes the horizontal movement of the locking claw (206) along the claw driving mechanism support (403), thereby realizing the mechanical engagement and disengagement of the locking claw (206) with the stop arm clamping protrusion (203) and the base clamping protrusion (404).

6. The novel sail base with folding, rotating and locking functions according to claim 5 is characterized in that: The locking claw (206) is a U-shaped concave cross section, and the U-shaped concave cross section is meshed with the trapezoidal convex cross section of the base convex (404).

7. The novel sail base with folding, rotating and locking functions according to claim 6 is characterized in that: There is one locking claw (206), which is arranged on the top of the base frame (401) and corresponds to the position of the base protrusion (404); the claw driving mechanism (205) has a manual emergency operation function, and when the power of the claw driving mechanism (205) fails, the locking claw (206) can be disengaged and locked through manual emergency operation.

8. The novel sail base with folding, rotating and locking functions according to claim 6 or 7, characterized in that: The number of the claw driving mechanism (205) is one, two, or more.

9. The novel sail base with folding, rotating and locking functions according to claim 8 is characterized in that: The claw driving mechanism (205) can be in various types such as an electric push rod, an electric lead screw, or a hydraulic push rod.

10. The novel sail base with folding, rotating and locking functions according to claim 5 or 9, characterized in that: The base frame (401) is a frame structure, and a cylinder through hole (411) is symmetrically arranged on the top of the base frame (401) to prevent the cylinder piston rod (113) of the folding mechanism (100) from interfering with the base frame (401) during the extension and retraction process.

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