CN106275306A - Stabilizer peculiar to vessel - Google Patents

Abstract

The invention belongs to the technical field of fin stabilizers, in particular to a fin stabilizer for ships. Including the fin hinged with the hull, the hull is provided with a hydraulic device, the output end of the hydraulic device is connected to the fin, and there is a cavity in the fin, which is filled with a material that can completely cover the inner wall of the fin. Airbag, the airbag is provided with a number of internal elastic protrusions, the fins are provided with internal positioning grooves that match the internal elastic protrusions, the upper surface of the fins is provided with an upper elastic protective layer, and the lower surface of the fins is provided with a lower The elastic protective layer, the upper elastic protective layer and the inner surface of the lower elastic protective layer are provided with some outer elastic protrusions, and the fins are provided with outer positioning grooves matching with the outer elastic protrusions, the upper elastic protective layer, the lower elastic A sealing structure is provided between the protective layer and the fins respectively. The utility model has the advantages that an air bag is arranged in the fin, and the size of the fin is adjusted by adjusting the size of the air bag, and the adjustment method is simple.

Description

boat fin stabilizer

technical field

The invention belongs to the technical field of fin stabilizers, in particular to a fin stabilizer for ships.

Background technique

When a ship encounters wind and waves during navigation, it will sway. The swaying of the ship will reduce the seaworthiness of the ship, damage the hull structure, affect the normal operation of equipment and instruments, and cause cargo displacement or impact damage. Passengers and crew will be dizzy, and it may affect the combat effectiveness of combat ships. In order to reduce the sway of the ship, many colleagues have conducted in-depth research. At present, the solution with better effect is to install fin stabilizers on the bilge of the ship to control The device outputs a control signal to control the position of the stabilizer fins in the water by measuring the angle of the ship's sway, combined with the ship's speed and other factors. However, the marine stabilizer fins in the prior art are all fixed structures, the size cannot be adjusted, and the overall design is not reasonable enough.

In order to improve the existing technology, people have carried out long-term exploration and proposed various solutions. For example, the Chinese patent literature discloses a retractable marine fin stabilizer [application number: CN201420053149.1], which includes a hull, a single-end output push-pull hydraulic device, and a fin. The single-end output push-pull hydraulic device can be installed in a movable On the hull, one side of the fin is hinged on the hull, and a connecting rod is installed between the output end of the single-end output push-pull hydraulic device and the fin.

Although the above solution solves the deficiencies of the prior art to a certain extent, the size of the stabilizer fin cannot be adjusted, and the overall design is not reasonable enough.

Contents of the invention

The object of the present invention is to solve the above problems and provide a ship fin stabilizer with reasonable design, simple structure and adjustable size.

In order to achieve the above object, the present invention adopts the following technical solutions: the marine fin stabilizer includes a fin hinged with the hull, the hull is provided with a hydraulic device, and the output end of the hydraulic device communicates with the fin connected, the fins are provided with cavities, and the cavities are filled with airbags that can completely cover the inner walls of the fins. The airbags are provided with a number of internal elastic protrusions. The fins There is an inner positioning groove matched with the inner elastic protrusion on the wing. The upper surface of the fin is provided with an upper elastic protection layer, and the lower surface of the fin is provided with a lower elastic protection layer. The upper elastic protection The inner surface of the layer and the lower elastic protection layer is provided with a number of outer elastic protrusions, and the outer positioning grooves matched with the outer elastic protrusions are opened on the described fins. The upper elastic protection layer and the lower elastic protection layer A sealing structure is provided between the layers and the fins respectively. Airbags are set inside the fins, and the size of the fins can be adjusted by adjusting the size of the airbags. The adjustment method is simple. The upper elastic protective layer and the lower elastic protective layer have a protective effect on the outer surface of the fins. It is beneficial to the stability of the structure, and the sealing structure prevents water from entering the inside of the fin, avoiding the rust of the fin, prolonging the service life, and the overall design is reasonable.

In the above-mentioned marine fin stabilizer, several LED lights are arranged on the fins, and the LED lights are connected to the batteries arranged in the fins through lines, and the batteries are connected to the solar energy installed on the hull. The battery board is connected. You can observe the swing of the fins by looking at the LED lights.

In the above-mentioned marine fin stabilizer, the hull is provided with an inclination detection device, the inclination detection device is connected with the control mechanism, the control mechanism is connected with the hydraulic device, and the control mechanism is also connected with the The solar panels are connected. The inclination detection device can measure the inclination of the hull in wind and waves, thereby adjusting the swing of the fins according to the sway of the hull to improve the effect of resisting wind and waves.

In the above-mentioned marine stabilizer fin, the fin includes several strips, and the several strips are connected by an elastic hinge structure, and the elastic hinge structure includes a spring. One end is connected with a first hinged block, and the other end of the spring is connected with a second hinged block, the first hinged block is hinged with the strip piece on one side of the elastic hinge structure, and the second hinged block is connected with the elastic hinged block. The strips on the other side of the hinged structure are hinged. The surface of the fin can be enlarged, which is beneficial to the adjustment of the size of the fin.

In the above-mentioned marine stabilizer fin, the strip-shaped piece has a large middle and small structures at both ends, the middle part of the strip-shaped piece is arched upwards to form an arched surface, and the two sides of the strip-shaped piece are respectively The fins are arc-shaped, and the width of the middle part of the strips of the fins decreases successively from the middle to both sides.

In the above-mentioned marine fin stabilizer, the airbags include longitudinal progressively inflatable airbags and horizontal gradually inflatable airbags, and the longitudinal progressively inflatable airbags include a number of first airbag splits that are successively connected in the longitudinal direction, and the adjacent first airbags The splits communicate with each other and are fixedly connected through the skeleton. The horizontally inflatable airbag includes several second airbag splits connected in sequence in the transverse direction. Adjacent second airbag splits communicate with each other and are fixedly connected through the skeleton. The adjustment in two horizontal and vertical directions is realized.

In the above-mentioned marine fin stabilizer, the fins are also equipped with telescopic auxiliary parts, and the telescopic auxiliary parts communicate with the inner chamber of the fin, and the longitudinal gradually inflated airbags are arranged in the inner chamber of the fin , the horizontal progressively inflated airbag is arranged in the telescoping auxiliary member. Telescoping aids quickly extend fin width.

In the above-mentioned marine fin stabilizer, the horizontal gradually inflated airbags and the longitudinally gradually inflated airbags are respectively connected to the inflation mechanism through inflation pipelines, and the inflation mechanism is connected to the control mechanism.

In the aforementioned marine fin stabilizer, the telescoping auxiliary member includes a rear frame with open ends and a front frame with an open rear, and the front frame and the rear frame are slidably connected.

In the aforementioned marine fin stabilizer, a pressure cylinder is provided in the rear frame, and a piston is sealed and slidably connected to the pressure cylinder, and the piston divides the pressure cylinder into a first sealed cavity and a second sealed cavity , the piston is connected with the piston rod, the piston rod is connected with the front frame, the first sealing cavity is provided with a sealing guide sleeve located at the front end of the pressure cylinder, and the piston rod passes through The sealing guide sleeve and the pressure cylinder are provided with a through hole communicating with the first sealing cavity and the second sealing cavity on the piston. When the horizontal progressively inflated air bag in the telescoping auxiliary part is not inflated, the expansion and contraction of the telescopic auxiliary part has certain cushioning properties.

Compared with the existing technology, the advantage of this marine fin stabilizer is that: airbags are arranged in the fins, the size of the fins can be adjusted by adjusting the size of the airbags, the adjustment method is simple, and the upper elastic protective layer and the lower elastic protective layer are relatively The outer surface of the wing has a protective effect, the inner elastic protrusion and the outer elastic protrusion are conducive to the stability of the structure, and the sealing structure prevents water from entering the inside of the fin, avoiding the rust of the fin, prolonging the service life, and the overall design is reasonable.

Description of drawings

Fig. 1 is a structural block diagram provided by the present invention;

Fig. 2 is a schematic structural diagram provided by the present invention;

Fig. 3 is the sectional view of the fin provided by the present invention;

Figure 4 is a partial enlarged view of the fin provided by the present invention;

Fig. 5 is a structural schematic diagram of the horizontal progressively inflated airbag provided by the present invention;

Fig. 6 is a schematic structural view of the pressure cylinder part provided by the present invention;

Fig. 7 is a structural schematic diagram of the elastic hinge structure provided by the present invention.

In the figure, the fin wing 1, the hydraulic device 2, the inner elastic protrusion 3, the inner positioning groove 4, the upper elastic protective layer 5, the lower elastic protective layer 6, the outer elastic protrusion 7, the outer positioning groove 8, and the LED light 9 , battery 10, solar panel 11, tilt detection device 12, control mechanism 13, strip sheet 14, spring 15, first hinged block 16, second hinged block 17, arched surface 18, longitudinally inflated airbag 19, horizontally Gradual inflatable airbag 20, first airbag split body 21, skeleton 22, second airbag split body 23, telescopic auxiliary part 24, inflation mechanism 25, rear frame body 26, front frame body 27, pressure cylinder 28, piston 29, piston rod 30, sealing guide sleeve 31, through hole 32.

detailed description

The following examples are for illustrative purposes only and are not intended to limit the scope of the invention.

Example

As shown in Figure 1-7, the fin stabilizer used in this ship includes a fin 1 hinged with the hull, a hydraulic device 2 is provided on the hull, the output end of the hydraulic device 2 is connected to the fin 1, and the inside of the fin 1 A cavity is provided, and the cavity is filled with an air bag that can completely cover the inner wall of the fin wing 1. Several inner elastic protrusions 3 are arranged on the air bag, and an inner positioning position that matches the inner elastic protrusion 3 is opened on the fin wing 1. Groove 4, the upper surface of the fin wing 1 is provided with an upper elastic protective layer 5, the lower surface of the fin wing 1 is provided with a lower elastic protective layer 6, and the inner surfaces of the upper elastic protective layer 5 and the lower elastic protective layer 6 are provided with several The outer elastic protrusion 7 and the fin 1 are provided with an outer positioning groove 8 matching the outer elastic protrusion 7 , and a sealing structure is provided between the upper elastic protection layer 5 and the lower elastic protection layer 6 and the fin 1 respectively. The fin 1 is provided with an airbag, and the size of the fin 1 is adjusted by adjusting the size of the airbag. The adjustment method is simple. The upper elastic protective layer 5 and the lower elastic protective layer 6 have a protective effect on the outer surface of the fin 1. 3 and the outer elastic protrusion 7 are conducive to the stability of the structure, and the sealing structure prevents water from entering the inside of the fin 1, avoiding the rust of the fin 1, prolonging the service life, and the overall design is reasonable.

Wherein, a plurality of LED lamps 9 are arranged on the fin 1, and the LED lamps 9 are connected with the battery 10 arranged in the fin 1 through lines, and the battery 10 is connected with the solar panel 11 arranged on the hull. The swing situation of the fin wing 1 can be observed by observing the LED light 9 . An inclination detection device 12 is provided on the hull, and the inclination detection device 12 is connected with the control mechanism 13 , the control mechanism 13 is connected with the hydraulic device 2 , and the control mechanism 13 is also connected with the solar panel 11 . The inclination detection device 12 can measure the inclination of the hull in wind and waves, thereby adjusting the swing of the fins 1 according to the sway of the hull to improve the effect of resisting wind and waves.

More specifically, the fin wing 1 includes several strips 14, which are connected by an elastic hinge structure. The elastic hinge structure includes a spring 15, and one end of the spring 15 is connected with a first hinge block 16. The spring 15 The other end of the second hinge block 17 is connected, and the first hinge block 16 is hinged with the strip sheet 14 on one side of the elastic hinge structure, and the second hinge block 17 is connected with the strip sheet 14 located at the other side of the elastic hinge structure. hinged. The surface of the fin 1 can be enlarged, which is beneficial to the adjustment of the size of the fin 1 . The strip 14 is a small structure with a large middle and two ends. The middle of the strip 14 is arched upwards to form an arched surface 18. The two sides of the strip 14 are respectively arc-shaped, and the width of the middle of the strip 14 of the fin wing 1 is Decreases from the middle to the sides.

Wherein, the airbag includes a longitudinal gradually inflatable airbag 19 and a horizontally gradually inflatable airbag 20, and the longitudinally gradually inflatable airbag 19 includes a plurality of first airbag splits 21 that are successively connected in the longitudinal direction, and the adjacent first airbag splits 21 communicate with each other and pass through The frame 22 is fixedly connected, and the horizontally inflated airbag 20 includes a plurality of second airbag splits 23 connected in sequence in the transverse direction, and the adjacent second airbag splits 23 communicate with each other and are fixedly connected by the skeleton 22 . The adjustment in two horizontal and vertical directions is realized. The fin wing 1 is also provided with a telescopic auxiliary part 24, the telescopic auxiliary part 24 communicates with the inner cavity of the fin wing 1, the longitudinal inflatable airbag 19 is arranged in the fin wing 1 inner cavity, and the horizontal gradually inflatable airbag 20 is arranged on the telescopic auxiliary part 24. middle. The telescoping auxiliary part 24 can quickly lengthen the width of the fin wing 1 . The horizontal gradually inflated airbag 20 and the longitudinally gradually inflated airbag 19 are respectively connected to the inflation mechanism 25 through inflation pipelines, and the inflation mechanism 25 is connected to the control mechanism 13 .

Wherein, the telescoping auxiliary part 24 includes a rear frame body 26 with open ends and a front frame body 27 with an open rear end, and the front frame body 27 and the rear frame body 26 are slidably connected. The rear frame 26 is provided with a pressure cylinder 28, the pressure cylinder 28 is sealed and slidably connected with a piston 29, the piston 29 divides the pressure cylinder 28 into a first sealed chamber and a second sealed chamber, the piston 29 is connected with the piston rod 30, and the piston The rod 30 is connected with the front frame body 27, and the sealing guide sleeve 31 located at the front end of the pressure cylinder 28 is arranged in the first sealing chamber, and the piston rod 30 passes through the sealing guide sleeve 31 and the pressure cylinder 28, and the piston 29 is provided with a connecting second A through hole 32 for the first sealed cavity and the second sealed cavity. When the horizontal progressively inflated airbag 20 in the telescoping auxiliary part 24 is not inflated, the expansion and contraction of the telescopic auxiliary part 24 has a certain degree of cushioning.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Those skilled in the art to which the present invention belongs can make various modifications or supplements to the described specific embodiments or adopt similar methods to replace them, but they will not deviate from the spirit of the present invention or go beyond the definition of the appended claims range.

Although this article uses fin wing 1, hydraulic device 2, inner elastic protrusion 3, inner positioning groove 4, upper elastic protective layer 5, lower elastic protective layer 6, outer elastic protrusion 7, outer positioning groove 8 , LED lamp 9, battery 10, solar panel 11, tilt detection device 12, control mechanism 13, strip sheet 14, spring 15, first hinged block 16, second hinged block 17, arched surface 18, longitudinally inflated gradually Airbag 19, horizontally inflated airbag 20, first airbag split body 21, skeleton 22, second airbag split body 23, telescoping auxiliary part 24, inflation mechanism 25, rear frame body 26, front frame body 27, pressure cylinder 28, piston 29. Terms such as piston rod 30, sealing guide sleeve 31, through hole 32, etc., but the possibility of using other terms is not excluded. These terms are used only for the purpose of describing and explaining the essence of the present invention more conveniently; interpreting them as any kind of additional limitation is against the spirit of the present invention.

Claims (10)

1. A ship fin stabilizer, comprising a hinged fin (1) with the hull, said hull is provided with a hydraulic device (2), and the output of said hydraulic device (2) communicates with the fin ( 1) connected, the fin (1) is provided with a cavity, the cavity is filled with an air bag that can be completely attached to the inner wall of the fin (1), and the air bag is provided with a number of inner walls. Elastic protrusions (3), the fins (1) are provided with inner positioning grooves (4) that match the inner elastic protrusions (3), and the upper surface of the fins (1) is provided with The upper elastic protection layer (5), the lower surface of the fin wing (1) is provided with the lower elastic protection layer (6), and the inner surface of the upper elastic protection layer (5) and the lower elastic protection layer (6) is provided with Several outer elastic protrusions (7), the fins (1) are provided with outer positioning grooves (8) matched with the outer elastic protrusions (7), the upper elastic protective layer (5), A sealing structure is provided between the lower elastic protection layer (6) and the fins (1). 2. The marine fin stabilizer according to claim 1, characterized in that: the fin (1) is provided with several LED lights (9), and the LED lights (9) are arranged on the fins through the circuit. The accumulator (10) in the wing (1) is connected, and the accumulator (10) is connected with the solar panel (11) arranged on the hull. 3. The marine fin stabilizer according to claim 2, characterized in that: said hull is provided with an inclination detection device (12), and said inclination detection device (12) is connected with the control mechanism (13), The control mechanism (13) is connected with the hydraulic device (2), and the control mechanism (13) is also connected with the solar battery panel (11). 4. The marine fin stabilizer according to claim 3, characterized in that: said fin (1) comprises several strips (14), said several strips (14) are elastically hinged The structure is connected, and the elastic hinge structure includes a spring (15), one end of the spring (15) is connected with the first hinge block (16), and the other end of the spring (15) is connected with the second hinge block (17). ), the first hinge block (16) is hinged with the strip (14) on one side of the elastic hinge structure, and the second hinge block (17) is hinged with the strip sheet (14) on the other side of the elastic hinge structure. Sheet (14) is hinged. 5. The marine fin stabilizer according to claim 4, characterized in that: the strip (14) has a small structure with a large middle and two ends, and the middle part of the strip (14) is arched upwards to form For the arched surface (18), the two sides of the strip (14) are respectively arc-shaped, and the width of the middle part of the strip (14) of the fin (1) gradually decreases from the middle to both sides. 6. The marine fin stabilizer according to claim 5, characterized in that: said airbags include longitudinal progressively inflatable airbags (19) and transverse progressively inflatable airbags (20), and said longitudinally progressively inflatable airbags (19) include A number of longitudinally connected first airbag splits (21), adjacent first airbag splits (21) communicate with each other and are fixedly connected by a skeleton (22), and the horizontally inflated airbag (20) includes A plurality of second air bag split bodies (23) connected in succession in the transverse direction, adjacent second air bag split bodies (23) communicate with each other and are fixedly connected through the skeleton (22). 7. The marine fin stabilizer according to claim 6, characterized in that: said fin (1) is also provided with a telescopic auxiliary piece (24), and said telescopic auxiliary piece (24) is connected with the fin ( 1) The inner cavities are connected, the longitudinal progressively inflatable airbag (19) is arranged in the inner cavity of the fin (1), and the horizontal gradually inflatable airbag (20) is arranged in the telescoping auxiliary part (24). 8. The marine fin stabilizer according to claim 7, characterized in that: the horizontal gradually inflated airbags (20) and the longitudinally gradually inflated airbags (19) are respectively connected to the inflation mechanism (25) through inflation pipelines, The inflation mechanism (25) is connected with the control mechanism (13). 9. The marine fin stabilizer according to claim 8, characterized in that: the telescopic auxiliary member (24) comprises a rear frame (26) with both ends open and a front frame (27) with an open rear end ), the front frame (27) and the rear frame (26) are slidingly connected. 10. The marine fin stabilizer according to claim 9, characterized in that: said rear frame (26) is provided with a pressure cylinder (28), and said pressure cylinder (28) is sealed and slidably connected with a piston (29), the piston (29) divides the pressure cylinder (28) into a first sealed chamber and a second sealed chamber, and the described piston (29) is connected with the piston rod (30), and the described piston rod (30) is connected with the front frame body (27), and the sealing guide sleeve (31) located at the front end of the pressure cylinder (28) is arranged in the first sealing cavity, and the described piston rod (30) passes through the sealing The guide sleeve (31) and the pressure cylinder (28), the piston (29) is provided with a through hole (32) communicating with the first sealed cavity and the second sealed cavity.