A dumpable sail device capable of overcoming large overturning resistance

Abstract

The present invention belongs to the field of dumpable sails and relates to a dumpable sail device with safety, stability and low power consumption. A dumpable sail device with safety, stability and low power consumption is characterized in that it includes a sail blade (1); a sail blade base (11) for supporting the sail blade (1); a driving mechanism (100) for driving the pitch of the sail blade (1); and a counterweight mechanism (200) for maintaining the moment balance of the sail blade (1) during the pitching process; the counterweight mechanism (200) and the sail blade (1) are in a moment balance state at any angular position during the pitching process. The present invention reduces the complexity and power consumption requirements of the hydraulic driving mechanism, and at the same time solves the problems that it is difficult for the driving system to control the downward pitching speed of the sail blade and withstand large impact loads, improves the anti-interference ability against external impact loads, and ensures that the movement of the sail blade pitching mechanism is more stable and reliable.

Description

Technical Field

[0001] The present invention belongs to the field of dumpable sails and relates to a dumpable sail device capable of overcoming large capsizing resistance. Background Art

[0002] In recent years, with the increasing requirements for the green level of ships, countries around the world have actively developed various energy-saving and emission-reduction technologies. Among them, with the research and development of information technology and modern sail theory, sail boosting, as the oldest energy-saving technology, has returned to the stage of green application in shipping. How to improve the lightweight and intelligent operation of sail devices, and enhance the maintenance convenience and ship type applicability has become the key research direction for future sail boosting devices. Hard wing-type sail products adopt a mast and sail blade structure. By setting up a lifting system and a slewing system, the automatic lifting and angle adjustment of the sail blade are realized, so as to effectively utilize wind energy resources. During the lifting process of the hard wing-type sail, the mast and sail blade must be upright, which brings a series of problems such as difficult sail maintenance, limited driving vision for ship layout and navigation, and poor ship type applicability.

[0003] For the existing dumpable sail device, the steel wire rope can be tightened and released through a wire rope winch arranged on the common base of the sail, so as to realize the upright and dumping operations of the sail body. Since the dumpable sail body adopts a non-metallic fiber material, the weight of the sail body is greatly reduced, and the weight of a single sail body is about within 20 tons. Although the weight of the sail body is greatly reduced, due to the high height of the dumpable sail body, for a 30m high hard wing-type sail blade, depending on its blade width and blade material selection, its weight can reach up to nearly 100 tons at most. During the dumping process of a sail blade of this weight, the gravity resistance moment to be overcome is as high as 15000 kNm. This resistance moment needs to be overcome by a sufficient driving moment generated by the driving mechanism, and it needs to be arranged within the limited ship deck space, and adapt to the periodic rolling, pitching, heaving loads of the ship and the impact of sudden wind dynamic loads. The requirements for the dumpable sail device are high, and the existing dumpable sail devices cannot meet the above requirements. Summary of the Invention

[0004] In order to solve the problems that the driving mechanism of the existing dumpable sail device requires a large driving force, cannot be arranged within the limited ship deck space, and cannot adapt to the periodic rolling, pitching, heaving loads of the ship and the impact of sudden wind dynamic loads, the present invention provides a dumpable sail device capable of overcoming large capsizing resistance, which is characterized by including: a sail blade;

[0005] a slewing bearing for driving the sail blade to rotate in the vertical direction;

[0006] an upper seat of the slewing bearing connecting the sail blade and the slewing bearing;

[0007] a sail base arranged on the deck for supporting the sail blade;

[0008] The lower seat of the slewing bearing connecting the slewing bearing and the sail base;

[0009] The driving mechanism for driving the pitch of the sail blade;

[0010] The driving mechanism is arranged between the sail base and the deck and can bear the alternating load of the tensile and compressive forces of the sail blade during the pitching process.

[0011] According to the dumpable sail device capable of overcoming large overturning resistance described above, it is characterized in that: the sail base and the lower seat of the slewing bearing are hinged through a pitching hinge shaft.

[0012] According to the dumpable sail device capable of overcoming large overturning resistance described above, it is characterized in that: the driving mechanism includes a driving device for driving the pitch of the sail blade; and a moment arm fixedly connected to the lower seat of the slewing bearing and hinged to the sail base through a pitching hinge shaft; one end of the driving device is hinged to the moment arm; the other end of the driving device is connected to the deck.

[0013] According to the dumpable sail device capable of overcoming large overturning resistance described above, it is characterized in that: the driving device is connected to the deck through a driving device base, the driving device is hinged to the moment arm, and the driving device base is fixedly connected to the deck.

[0014] According to the dumpable sail device capable of overcoming large overturning resistance described above, it is characterized in that: the driving device base is arranged outside the sail base, on the side of the sail blade dumping direction.

[0015] According to the dumpable sail device capable of overcoming large overturning resistance described above, it is characterized in that: the driving device base is arranged outside the sail base, on the opposite side of the sail blade dumping direction.

[0016] According to the dumpable sail device capable of overcoming large overturning resistance described above, it is characterized in that: the driving device base is arranged inside the sail base, directly below the lower seat of the slewing bearing.

[0017] According to the dumpable sail device capable of overcoming large overturning resistance described above, it is characterized in that: the driving device is a double-acting oil cylinder; the driving device base is an oil cylinder base.

[0018] According to the dumpable sail device capable of overcoming large overturning resistance described above, it is characterized in that: the double-acting oil cylinder includes an oil cylinder barrel, and a piston rod is arranged inside the oil cylinder barrel; the bottom of the oil cylinder barrel is hinged with an oil cylinder base; the oil cylinder base is fixedly connected to the driving device base; the oil cylinder base is hinged to the double-acting oil cylinder through an oil cylinder barrel hinge shaft; the piston rod is hinged to the moment arm through a piston rod hinge shaft; according to the design load, equipment selection and layout, the double-acting oil cylinder can be 1, 2, 4 or more.

[0019] Advantages of the present invention compared with the prior art:

[0020] 1. The present invention adopts a driving mechanism that can simultaneously withstand the alternating loads of tension and pressure during the pitching process of the sail blade, realizing the safe dumping operation of the sail blade in an environment of large capsizing resistance and sudden impact loads.

[0021] 2. By reasonably arranging the relative positions of the driving mechanism and the sail base, the present invention makes the dumpable sail device dump and stand upright by utilizing the limited space on the ship's deck. The layout space of the base on the ship's deck is greatly reduced, facilitating layout and installation, and having good applicability to various ship types such as oil tankers, bulk carriers, ore carriers, and ro-ro ships.

[0022] 3. The present invention adopts a double-acting oil cylinder as the driving device, which has a large driving force, high transmission accuracy, can achieve stepless speed change, and can still operate smoothly under the impact of alternating loads. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 Front view of the structural schematic diagram of the dumpable sail device capable of overcoming large capsizing resistance.

[0024] Figure 2 Left view of the structural schematic diagram of the dumpable sail device capable of overcoming large capsizing resistance.

[0025] Figure 3 Force diagram of the dumpable sail device capable of overcoming large capsizing resistance.

[0026] Figure 4 Structural schematic diagram of the first embodiment of the dumpable sail device capable of overcoming large capsizing resistance in the sail dumping state.

[0027] Figure 5 Structural schematic diagram of the first embodiment of the dumpable sail device capable of overcoming large capsizing resistance in the sail upright state.

[0028] Figure 6 Structural schematic diagram of the second embodiment of the dumpable sail device capable of overcoming large capsizing resistance in the sail dumping state.

[0029] Figure 7 Structural schematic diagram of the second embodiment of the dumpable sail device capable of overcoming large capsizing resistance in the sail upright state.

[0030] Figure 8 Structural schematic diagram of the third embodiment of the dumpable sail device capable of overcoming large capsizing resistance in the sail dumping state.

[0031] Figure 9 Structural schematic diagram of the third embodiment of the dumpable sail device capable of overcoming large capsizing resistance in the sail upright state.

[0032] In the figure: 1: sail leaf; 100: driving mechanism; 101: driving device; 102: driving device base; 2: upper swing bearing seat; 3: swing bearing; 4: lower swing bearing seat; 5: moment arm; 6: double-acting oil cylinder; 7: oil cylinder base; 8: oil cylinder base; 9: pitching hinge shaft; 10: sail base; 11: piston rod hinge shaft; 12: oil cylinder barrel hinge shaft; 601: oil cylinder barrel; 602: piston rod. Specific implementation mode

[0033] Preferred implementation mode 1

[0034] A dumpable sail device that can overcome large overturning resistance, characterized in that it includes a sail leaf 1;

[0035] A swing bearing 3 that drives the sail leaf to rotate in the vertical direction;

[0036] An upper swing bearing seat 2 connecting the sail leaf 1 and the swing bearing 3;

[0037] A sail base 10 provided on the deck for supporting the sail leaf 1;

[0038] A lower swing bearing seat 4 connecting the swing bearing 3 and the sail base 10;

[0039] A driving mechanism 100 for driving the sail leaf 1 to pitch;

[0040] The driving mechanism 100 is arranged between the sail base 10 and the deck, and is a mechanism that can simultaneously bear the alternating load of the tensile and compressive forces of the sail leaf 1 during the pitching process.

[0041] The sail base 10 and the lower swing bearing seat 4 are hinge-connected through a pitching hinge shaft 9.

[0042] The driving mechanism 100 includes a driving device 101 for driving the sail leaf 1 to pitch; and a moment arm 5 fixedly connected to the lower swing bearing seat 4 and hinge-connected to the sail base 10 through a pitching hinge shaft 9; one end of the driving device 101 is hinge-connected to the moment arm 5; the other end of the driving device 101 is connected to the deck.

[0043] The driving device 101 is connected to the deck through a driving device base 102, the driving device 101 is hinge-connected to the moment arm 5, and the driving device base 102 is fixedly connected to the deck.

[0044] The driving device base 102 is arranged on one side in the dumping direction of the sail leaf 1. As Figure 4 and Figure 5As shown, when the sail leaf 1 is in the dumping state, the piston rod 602 is in the fully extended state. When the sail leaf 1 is operated to be upright, the piston rod 602 retracts, providing a huge pulling force. The piston rod hinge shaft 11 drives the torque arm 5 to rotate clockwise around the pitching hinge shaft 9, thereby driving the sail leaf 1 to rotate clockwise until the sail leaf 1 is in the upright state, at which time the piston rod 602 is fully retracted. During this rotation process, the piston rod 602 may be subjected to tensile force or compressive force.

[0045] The driving device 101 is a double-acting oil cylinder 6; the driving device base 102 is an oil cylinder base 8.

[0046] The double-acting oil cylinder 6 includes an oil cylinder barrel 601, and a piston rod 602 is arranged inside the oil cylinder barrel 601; the bottom of the oil cylinder barrel 601 is hinged with an oil cylinder base 7; the oil cylinder base 7 is fixedly connected with the oil cylinder base 8; the oil cylinder base 7 is hinged with the double-acting oil cylinder 6 through an oil cylinder barrel hinge shaft 12; the piston rod 602 is hinged with the torque arm 5 through a piston rod hinge shaft 11.

[0047] The sail leaf 1 is preferably a rigid airfoil sail leaf structure, which can adopt a steel structure skeleton combined with a fiber material surface structure, or a fiber material integrally formed structure; the sail leaf 1 can also adopt a water droplet shape or other structures that can generate wind power. The wind energy of the relative wind speed of the ship is converted into the forward thrust of the ship through the structure of the sail leaf 1 itself.

[0048] The upper rotary support seat 2 is a transitional steel structure connecting the sail leaf 1 and the rotary support 3.

[0049] The rotary support 3 is a bearing structure, which realizes the supporting effect on the sail leaf 1 and the sail base 10. The rotary support 3 is internally provided with a rotary drive motor and a transmission gear ring. Under the rotation of the drive motor, the rotary support 3 can realize the clockwise and counterclockwise rotation of the sail leaf 1, thereby adjusting the windward angle of the sail leaf 1 and maximizing the use of wind power to achieve the ship boosting effect.

[0050] The lower rotary support seat 4 connects the rotary support 3, the sail base 10 and the pitching hinge shaft 9. The hollow structure of the lower rotary support seat 4 can provide a maintenance space for rotary drive.

[0051] The torque arm 5 is integrally welded with the lower rotary support seat 4 and is located below the lower rotary support seat 4. The torque arm 5 can rotate around the pitching hinge shaft 9. The setting of the torque arm 5 can greatly reduce the driving force load of the driving mechanism 100.

[0052] Preferred Embodiment 2

[0053] A dumpable sail device capable of overcoming large overturning resistance, characterized by comprising: a sail leaf 1;

[0054] A rotary support 3 that drives the sail leaf to rotate in the vertical direction;

[0055] The upper swing bearing seat 2 connecting the sail blade 1 and the swing bearing 3;

[0056] The sail base 10 arranged on the deck for supporting the sail blade 1;

[0057] The lower swing bearing seat 4 connecting the swing bearing 3 and the sail base 10;

[0058] The driving mechanism 100 for driving the pitching of the sail blade 1;

[0059] The driving mechanism 100 is arranged between the sail base 10 and the deck and is a mechanism that can simultaneously bear the alternating loads of the tensile force and the pressure of the sail blade 1 during the pitching process.

[0060] The sail base 10 and the lower swing bearing seat 4 are hinged through a pitching hinge shaft 9.

[0061] The driving mechanism 100 includes a driving device 101 for driving the pitching of the sail blade 1; and a torque arm 5 fixedly connected to the lower swing bearing seat 4 and hinged to the sail base 10 through a pitching hinge shaft 9; one end of the driving device 101 is hinged to the torque arm 5; the other end of the driving device 101 is connected to the deck.

[0062] The driving device 101 is connected to the deck through a driving device base 102, the driving device 101 is hinged to the torque arm 5, and the driving device base 102 is fixedly connected to the deck.

[0063] The driving device base 102 is arranged on the side opposite to the tilting direction of the sail blade 1. As Figure 6 and Figure 7 shown, when the sail blade 1 is in the tilted state, the piston rod 602 is in the fully retracted state. When the sail blade 1 is in the upright operation, the piston rod 602 extends, providing a huge pushing force. The piston rod hinge shaft 11 drives the torque arm 5 to rotate clockwise around the pitching hinge shaft 9, thereby driving the sail blade 1 to rotate clockwise until the sail blade 1 is in the upright state, and the piston rod 602 of the oil cylinder is fully extended. During this process, the piston rod 602 may bear pressure or may bear tension.

[0064] The driving device 101 is a double-acting oil cylinder 6; the driving device base 102 is an oil cylinder base 8.

[0065] The double-acting oil cylinder 6 includes an oil cylinder barrel 601, and a piston rod 602 is arranged in the oil cylinder barrel 601; the bottom of the oil cylinder barrel 601 is hingedly provided with an oil cylinder base 7; the oil cylinder base 7 is fixedly connected to the oil cylinder base 8; the oil cylinder base 7 and the double-acting oil cylinder 6 are hinged through an oil cylinder barrel hinge shaft 12; the piston rod 602 and the torque arm 5 are hinged through a piston rod hinge shaft 11.

[0066] During the pitching process of the sail blade 1 switching between the upright state and the tilted state, the sail blade 1 is superimposed with three loads: the wind dynamic load, the inertial acceleration load in the ship's XOZ plane, and the gravity load of the sail blade. Among them, affected by the change of the wind direction and the attitude change of the sail blade 1, the components of the wind dynamic force of the sail blade 1 in the X and Z directions may have sudden changes in two directions, that is, the longitudinal component of the wind dynamic force received by the sail blade 1 may be F x1 , or may be F x2 ; due to the periodic pitching and heaving of the ship, the longitudinal acceleration and vertical acceleration received by the sail blade 1 may have sudden changes in two directions, that is, the vertical acceleration received by the sail blade 1 may be a z1 , or may be a z2 , the longitudinal acceleration received by the sail blade 1 may be a x1 , or may be a x2 . Therefore, during the pitching process of the sail blade 1, the load received by the sail blade 1 is extremely complex, there are various combinations of working conditions, and there is an instantaneous mutation superposition effect affected by the external environment. The present invention adopts a double-acting oil cylinder 6, and the piston rod 602 of the oil cylinder can simultaneously bear the alternating loads of tension and pressure, ensuring that the operating speed of the driving mechanism 100 of the sail blade 1 is reasonable, reducing the impact of the external load on the driving mechanism 100, and the double-acting oil cylinder 6 has the advantage of stepless speed change, can adjust the angular velocity of the pitching of the sail blade 1, and can make full use of the pushing and pulling forces of the double-acting oil cylinder 6 to optimize the energy consumption of the device.

[0067] Preferred Embodiment Three

[0068] A dumpable sail device capable of overcoming large overturning resistance, characterized in that it includes a sail blade 1;

[0069] A slewing bearing 3 that drives the sail blade to rotate in the vertical direction;

[0070] A slewing bearing upper seat 2 connecting the sail blade 1 and the slewing bearing 3;

[0071] A sail base 10 provided on the deck for supporting the sail blade 1;

[0072] A slewing bearing lower seat 4 connecting the slewing bearing 3 and the sail base 10;

[0073] A driving mechanism 100 for driving the pitching of the sail blade 1;

[0074] The driving mechanism 100 is arranged between the sail base 10 and the deck and is a mechanism that can simultaneously bear the alternating loads of tension and pressure of the sail blade 1 during the pitching process.

[0075] The sail base 10 and the slewing bearing lower seat 4 are hinged through a pitching hinge shaft 9.

[0076] The drive mechanism 100 includes a driving device 101 for driving the sail blade 1 to pitch; and a torque arm 5 fixedly connected to the lower seat 4 of the slewing bearing and hinge-connected to the sail base 10 through a pitching hinge shaft 9; one end of the driving device 101 is hinge-connected to the torque arm 5; the other end of the driving device 101 is connected to the deck.

[0077] The driving device 101 is connected to the deck through a driving device base 102, the driving device 101 is hinge-connected to the torque arm 5, and the driving device base 102 is fixedly connected to the deck.

[0078] The driving device base 102 is arranged directly below the lower seat 4 of the slewing bearing. As Figure 8 and Figure 9 shown, the double-acting cylinder 6 is arranged vertically, and the extending direction of the piston rod 602 faces upward above the sail base 10. With this arrangement, the cylinder base 8 and the sail base 10 can be integrated, greatly reducing the layout space of the device on the ship deck and facilitating the layout and installation. When the sail blade 1 is in the dumping state, the piston rod 602 is in the fully extended state. When the sail blade 1 is in the upright operation, the piston rod 602 retracts, providing a huge pulling force. The piston rod hinge shaft 11 drives the lower seat 4 of the slewing bearing to rotate clockwise around the pitching hinge shaft 9, thereby driving the sail blade 1 to rotate clockwise until the sail blade 1 is in the upright state, and the piston rod 602 is fully retracted. During this process, the piston rod 602 may bear pressure or may bear tension.

[0079] The driving device 101 is a double-acting cylinder 6; the driving device base 102 is a cylinder base 8.

[0080] The double-acting cylinder 6 includes a cylinder barrel 601, and a piston rod 602 is arranged inside the cylinder barrel 601; the bottom of the cylinder barrel 601 is hinge-connected with a cylinder base 7; the cylinder base 7 is fixedly connected to the cylinder base 8; the cylinder base 7 is hinge-connected to the double-acting cylinder 6 through a cylinder barrel hinge shaft 12; the piston rod 602 is hinge-connected to the torque arm 5 through a piston rod hinge shaft 11.

[0081] The driving device is selected as the double-acting cylinder 6, which can bear both tensile and pressure loads. The bottom of the double-acting cylinder 6 is provided with a cylinder base 7 and a cylinder base 8. The cylinder base 7 is connected to the cylinder barrel 601 through a cylinder barrel hinge shaft 12, and the cylinder barrel 601 can rotate around the cylinder barrel hinge shaft 12. The cylinder base 8 is connected to the deck.

[0082] The pitching hinge shaft 9 is respectively connected to the torque arm 5 and the sail base 10, transferring the structural load of the sail blade 1 to the sail base 10, and the sail base 10 is connected to the ship deck structure.

[0083] When the hydraulic oil drives the piston rod 602 of the double-acting cylinder 6 to perform telescopic movement, the piston rod 602 drives the torque arm 5 to rotate around the pitch hinge shaft 9, thereby driving the sail blade 1 to perform pitch movement, realizing the dumping and upright operations of the sail blade 1.

[0084] As described above, only the preferred specific embodiments of the present invention are provided, but the protection scope of the present invention is not limited thereto. Any person familiar with the technical field can make equivalent substitutions or changes according to the technical solution 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: setting the slewing bearing 3 below the pitch hinge shaft 9; the double-acting cylinder 6 being 1 set or 2 sets of hydraulic cylinders; changing the cylinder base 8 to be integrated with the sail base 10 and not connected or partially connected to the hull; setting the double-acting cylinder 6 at other relative positions of the sail base 10; sinking the double-acting cylinder 6 below the deck, with the double-acting cylinder 6 being in a horizontal or vertical state; changing the position of the cylinder barrel hinge shaft 12 on the cylinder barrel 601 and other embodiments.

Claims

1. A dumpable sail device capable of overcoming large overturning resistance, characterized in that: Including a sail blade (1); A slewing bearing (3) for driving the sail blade to rotate horizontally around a vertical axis of rotation; An upper seat (2) of the slewing bearing connecting the sail blade (1) and the slewing bearing (3); A sail base (10) arranged on the deck for supporting the sail blade (1); A lower seat (4) of the slewing bearing connecting the slewing bearing (3) and the sail base (10); A driving mechanism (100) for driving the sail blade (1) to pitch; The driving mechanism (100) is arranged between the sail base (10) and the deck and is a mechanism capable of simultaneously bearing the alternating load of the tensile and compressive forces of the sail blade (1) during the pitching process; the sail base (10) and the lower seat (4) of the slewing bearing are hinged through a pitching hinge shaft (9); the driving mechanism (100) includes a driving device (101) for driving the sail blade (1) to pitch; and a moment arm (5) fixedly connected to the lower seat (4) of the slewing bearing and hinged to the sail base (10) through the pitching hinge shaft (9); one end of the driving device (101) is hinged to the moment arm (5); the other end of the driving device (101) is connected to the deck.

2. The dumpable sail device capable of overcoming large overturning resistance according to claim 1, characterized in that: The driving device (101) is connected to the deck through a driving device base (102), the driving device (101) is hinged to the moment arm (5), and the driving device base (102) is fixedly connected to the deck.

3. The dumpable sail device capable of overcoming large overturning resistance according to claim 2, characterized in that: The driving device base (102) is arranged outside the sail base (10) and on the side where the sail blade (1) topples.

4. The dumpable sail device capable of overcoming large overturning resistance according to claim 2, characterized in that: The driving device base (102) is arranged outside the sail base (10) and on the opposite side of the sail blade (1) toppling direction.

5. The pour-able sail device capable of overcoming large overturning resistance according to claim 2, characterized in that: The driving device base (102) is arranged inside the sail base (10) and directly below the lower seat (4) of the slewing bearing.

6. The dumpable sail device capable of overcoming large overturning resistance according to any one of claims 3-5, characterized in that: The driving device (101) is a double-acting oil cylinder (6); the driving device base (102) is an oil cylinder base (8).

7. The dumpable sail device capable of overcoming large overturning resistance according to claim 6, characterized in that: The double-acting oil cylinder (6) includes an oil cylinder barrel (601), and a piston rod (602) is arranged inside the oil cylinder barrel (601); the bottom of the oil cylinder barrel (601) is hinged with an oil cylinder base (7); the oil cylinder base (7) is fixedly connected to the oil cylinder base (8); the oil cylinder base (7) is hinged to the double-acting oil cylinder (6) through an oil cylinder barrel hinge shaft (12); the piston rod (602) is hinged to the moment arm (5) through a piston rod hinge shaft (11); the double-acting oil cylinder (6) can be 1, 2, 4 or more according to the design load, equipment selection and layout.

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