CN220430452U

CN220430452U - Telescopic ship anti-rolling device

Info

Publication number: CN220430452U
Application number: CN202321868844.9U
Authority: CN
Inventors: 周亿; 刘文玺; 谭路
Original assignee: Naval University of Engineering PLA
Current assignee: Naval University of Engineering PLA
Priority date: 2023-07-17
Filing date: 2023-07-17
Publication date: 2024-02-02
Anticipated expiration: 2033-07-17

Abstract

The utility model provides a telescopic ship stabilizer, which comprises a main plate and an auxiliary plate; the main board is horizontally arranged, one end of the main board is connected with a driving mechanism arranged in the ship body, the other end of the main board extends out of the ship body, and the driving mechanism is used for controlling the extension and retraction of the main board so as to adjust the anti-rolling effect of the main board; the auxiliary plate is rotationally connected with one end of the main plate extending out of the ship body, two ends of the auxiliary plate along the running direction of the ship body are respectively rotationally connected with two link mechanisms, the link mechanisms are rotationally arranged on the ship body, and the link mechanisms can control the auxiliary plate to rotate towards the outer side of the ship body or rotate towards the inner side of the ship body according to extension or retraction of the main plate, so that the anti-rolling effect of the auxiliary plate is adjusted. The telescopic ship anti-rolling device can adjust anti-rolling capacity according to actual conditions, and is beneficial to protecting the main board and the auxiliary board.

Description

Telescopic ship anti-rolling device

Technical Field

The utility model relates to the technical field of ship stabilizing, in particular to a telescopic ship stabilizing device.

Background

When a ship works on the sea, due to the action of disturbance of ocean environments such as sea waves, the ship can inevitably generate swinging motion, wherein the rolling effect on the ship is the greatest, and the rolling effect is also the best, so that the ship rolling reduction equipment mainly aims at reducing the rolling. From the beginning of the 19 th century, people directly increase the width of the bilge keels in order to improve the anti-rolling efficiency thereof, but the extent of the increase in the width is limited in order to reduce the damage degree of the bilge keels.

The Chinese patent application with publication number of CN105438414A discloses a bilge keel which comprises a fixed clam shell structure and a rotary clam shell structure, wherein the rotary clam shell structure is connected with the fixed clam shell structure through a rotating shaft system, and the rolling damping of a ship can be increased or reduced through opening and closing of the rotary clam shell structure, so that the bilge keel is suitable for different sailing conditions and requirements. But the width of the fixed clam shell structure is fixed, and the bilge keels are always subjected to the corresponding wind and wave acting force under the width, so that the possibility of the bilge keels being damaged is increased, and the service life of the bilge keels is not prolonged.

Disclosure of Invention

The utility model aims at overcoming the defects of the prior art and provides a telescopic ship stabilizing device.

The utility model provides a telescopic ship stabilizer, which comprises a main plate and an auxiliary plate;

the main board is horizontally arranged, one end of the main board is connected with a driving mechanism arranged in the ship body, the other end of the main board extends out of the ship body, and the driving mechanism is used for controlling the extension and retraction of the main board so as to adjust the anti-rolling effect of the main board;

the auxiliary plate is rotationally connected with one end of the main plate extending out of the ship body, two ends of the auxiliary plate along the running direction of the ship body are respectively rotationally connected with two link mechanisms, the link mechanisms are rotationally arranged on the ship body, and the link mechanisms can control the auxiliary plate to rotate towards the outer side of the ship body or rotate towards the inner side of the ship body according to extension or retraction of the main plate, so that the anti-rolling effect of the auxiliary plate is adjusted.

Further, the linkage mechanism and the sub-plate form a parallelogram mechanism.

Further, the link mechanism comprises a main side link, a connecting rod and an auxiliary side link, wherein the main side link is arranged in parallel with the auxiliary side link, the connecting rod is arranged in parallel with the auxiliary plate, one end of the main side link is rotationally connected with the ship body, the other end of the main side link is rotationally connected with the auxiliary plate, one end of the connecting rod is rotationally connected with the main side link, the other end of the connecting rod is rotationally connected with one end of the auxiliary side link, and the other end of the auxiliary side link is rotationally connected with the auxiliary plate.

Further, the auxiliary plate comprises an auxiliary plate main body and two connecting plates, the connecting plates are arranged at one end, close to the main plate, of the auxiliary plate main body, and the auxiliary plate main body is respectively connected with the main plate and the connecting rod mechanism in a rotating mode through the two connecting plates.

Further, the connecting plate is connected with the main board through a connecting shaft, and two ends of the connecting shaft are axially fixed through a stop washer and a round nut.

Further, the mainboard has seted up the rivers passageway that runs through along hull travel direction, be provided with the screw in the rivers passageway, the screw is used for improving the stabilizer efficiency of mainboard.

Further, the lower end face of the main board is provided with a sliding block, the sliding block is used for being matched with a guide rail in the ship body, and the guide rail is arranged along the direction perpendicular to the running direction of the ship body.

Further, the cross section of the sliding block is trapezoid.

Further, a limiting block is fixedly arranged on the guide rail and used for limiting the maximum width of the main board extending out of the ship body.

Further, the driving mechanism is an air cylinder.

The beneficial effects of the utility model are as follows:

1. according to the utility model, the telescopic main board is arranged, so that the main board can be extended or retracted according to different navigation conditions and requirements, the anti-rolling effect of the main board is adjusted, and the main board is prevented from being subjected to larger wind and wave acting force all the time; through setting up link mechanism, can control the subplate to rotate to the hull outside to the horizontality or to the inboard rotation of hull to the vertical state according to stretching out of mainboard or withdrawal, when the subplate rotated to the horizontality to the hull outside, the mainboard stretched out the distance of hull the biggest, and the roll reduction ability of mainboard and subplate was strongest this moment, and when the subplate rotated to the inboard rotation of hull to the vertical state, the mainboard stretched out the distance of hull the minimum, and the roll reduction ability of mainboard was weakest this moment, and the subplate did not possess the roll reduction ability. Therefore, the telescopic ship anti-rolling device can change anti-rolling capability according to different sailing conditions and requirements, when only weak anti-rolling capability is needed, the main board is retracted, the wind wave acting force borne by the main board is small, the auxiliary board is not subjected to the wind wave acting force, the service life of the telescopic ship anti-rolling device is prolonged, when strong anti-rolling capability is needed, the main board extends, and the auxiliary board is unfolded, so that strong anti-rolling capability can be provided.

2. The parallelogram mechanism is composed of the link mechanism and the auxiliary plate, and the structure is simple and reliable.

3. According to the utility model, the main board is provided with the water flow channel, the propeller is arranged in the water flow channel, and the rolling stabilization moment is formed by utilizing the propelling force generated by the propeller, so that the rolling stabilization effect can be further improved.

4. According to the utility model, the sliding blocks are arranged on the main board and are matched with the guide rails in the ship body, so that the stability of the main board during expansion and contraction can be improved.

5. According to the utility model, the sliding block is arranged in a trapezoid shape, so that the stability of the main board during expansion and contraction is further improved.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a side view of the utility model with minimal anti-roll effect.

Reference numerals: 1-a secondary plate; 2-a secondary side link; 3-a stop washer; 4-round nuts; 5-connecting shaft; 6-limiting blocks; 7-a main board; 8-a main side link; 9-propeller; 10-connecting rods; 11-a fixing plate; 12, a guide rail; 13-a piston rod; 14-a driving mechanism; 15-hull.

Detailed Description

In order to make the technical problems, technical schemes and beneficial effects to be solved by the present application more clear, the present application is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the present application.

As shown in fig. 1, the present embodiment provides a telescopic ship stabilizer which is provided on both sides of a hull 15, including a main plate 7 and an auxiliary plate 1.

The main board 7 is horizontally arranged, the left end of the main board 7 is connected with a driving mechanism 14 arranged in a ship body 15, the right end of the main board 7 extends out of the ship body 15, in the embodiment, the driving mechanism 14 is a plurality of cylinders, the cylinders are arranged in parallel, the end parts of piston rods 13 of the cylinders are fixedly connected with the left end of the main board 7, and the end parts are used for controlling the extension and retraction of the main board 7 so as to adjust the anti-rolling effect of the main board 7, namely, the longer the extending distance of the main board 7 is, the better the anti-rolling effect of the main board 7 is;

the lower terminal surface of mainboard 7 is provided with the slider, is provided with in the hull 15 with slider complex slide rail, the length direction perpendicular to hull 15 direction of travel of slide rail, slide rail and slider all are provided with a plurality of, and the cross-section of slide rail and slider all is trapezoidal, can guarantee the stability of mainboard 7 slip in-process. Be provided with stopper 6 on the slide rail, thereby stopper 6 can restrict the slider and restrict mainboard 7 maximum extension distance.

The subplate 1 includes subplate main part and two connecting plates, and subplate 1 body is square, and two connecting plates are fixed and are close to mainboard 7 one end in the subplate main part, and two connecting plates are located the front and back both ends of mainboard 7, and mainboard 7 is along the both ends of hull 15 direction of traveling promptly, and the subplate main part rotates with mainboard 7 and link mechanism respectively through two connecting plates to be connected, rotates on the mainboard 7 to be provided with connecting axle 5, and two connecting plates are fixed respectively at the both ends of connecting axle 5 to through stop washer 3 and round nut 4 axial fixity.

The two connecting plates of the auxiliary plate 1 are respectively connected with the ship body 15 through two connecting rod mechanisms, each connecting rod mechanism comprises a main connecting rod 8, a connecting rod 10 and an auxiliary connecting rod 2, the main connecting rod 8 is arranged in parallel with the auxiliary connecting rod 2, the connecting rod 10 is arranged in parallel with the auxiliary plate 1, one end of the main connecting rod 8 is rotationally connected with the ship body 15 through a fixing plate 11, the other end of the main connecting rod 8 is rotationally connected with the connecting plate of the auxiliary plate 1, one end of the connecting rod 10 is rotationally connected with the main connecting rod 8, the other end of the connecting rod 10 is rotationally connected with one end of the auxiliary connecting rod 2, and the other end of the auxiliary connecting rod 2 is rotationally connected with the connecting plate of the auxiliary plate 1, so that the main connecting rod 8, the auxiliary connecting rod 2, the connecting rod 10 and the connecting plate form a parallelogram mechanism.

It can be understood that in fig. 1, the auxiliary plate 1 is completely rotated to a horizontal state, the sliding block of the main plate 7 is tightly attached to the limiting block 6 on the sliding rail, the main plate 7 cannot further extend, at this time, the connecting rod 10 and the auxiliary plate 1 are both in a horizontal state, and the auxiliary plate 1 rotates to the same plane of the main plate 7 to jointly perform anti-rolling with the main plate 7 on the hull 15; when a stronger anti-rolling effect is not needed, the piston rod 13 of the driving device is retracted to drive the main plate 7 to retract, the main plate 7 is retracted to enable the main side link 8 and the auxiliary side link 2 to rotate clockwise, the connecting rod 10 and the auxiliary plate 1 rotate anticlockwise, and finally the auxiliary plate 1 rotates to the state shown in fig. 2, at the moment, the connecting rod 10 and the auxiliary plate 1 are perpendicular to the main plate 7, the auxiliary plate 1 is withdrawn from working, and only the part of the main plate 7 extending out of the ship body 15 is used for anti-rolling, so that the stress of the main plate 7 can be reduced, and damage is prevented.

In this embodiment, the water flow channel that runs through is offered along hull 15 direction of travel to mainboard 7, and the water flow channel is located the mainboard 7 middle part, is provided with screw 9 in the water flow channel, and when subplate 1 rotated to the horizontality, the water flow channel of mainboard 7 also can stretch out hull 15, and the screw 9 in the accessible opened water flow channel has utilized the propulsive force that screw 9 rotatory produced to form the roll stabilization moment, realizes the stabilizer of boats and ships, and screw 9 opens and stops to be controlled by control system according to the boats and ships degree of swaying.

This telescopic boats and ships stabilizer can enough adjust the roll reduction ability according to actual conditions, be favorable to protecting mainboard 7 and subplate 1 moreover, mainboard 7 part is outside hull 15 under initial condition, subplate 1 perpendicular to mainboard 7, if roll reduction effect is not good, then stretch out through actuating mechanism 14 control mainboard 7, subplate 1 moves to the horizontality and improves roll reduction efficiency, if still need further improve roll reduction efficiency in order to alleviate the rocking this moment, then can open screw 9, further improve this telescopic boats and ships stabilizer's roll reduction efficiency. When the ship is less swayed, the main plate 7 can be retracted by the driving mechanism 14, so that the main plate 7 and the auxiliary plate 1 are not easily damaged, and the sailing resistance can be reduced.

The above embodiments are only for illustrating the technical solution of the present application, and are not limiting; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present application, and are intended to be included in the scope of the present application.

Claims

1. A telescopic ship stabilizer is characterized in that: comprises a main board (7) and an auxiliary board (1);

the main board (7) is horizontally arranged, one end of the main board (7) is connected with a driving mechanism (14) arranged in the ship body (15), the other end of the main board (7) extends out of the ship body (15), and the driving mechanism (14) is used for controlling the extension and retraction of the main board (7) so as to adjust the anti-rolling effect of the main board (7);

the auxiliary plate (1) is rotationally connected with one end of the main plate (7) extending out of the ship body (15), the two ends of the auxiliary plate (1) along the running direction of the ship body (15) are rotationally connected with two link mechanisms respectively, the link mechanisms are rotationally arranged on the ship body (15), and the link mechanisms can control the auxiliary plate (1) to rotate towards the outer side of the ship body (15) or the inner side of the ship body (15) according to the extending or retracting of the main plate (7), so that the anti-rolling effect of the auxiliary plate (1) is adjusted.

2. The telescopic ship stabilizer according to claim 1, wherein: the link mechanism and the auxiliary plate (1) form a parallelogram mechanism.

3. The telescopic ship stabilizer according to claim 2, wherein: the connecting rod mechanism comprises a main side link (8), a connecting rod (10) and an auxiliary side link (2), wherein the main side link (8) is arranged in parallel with the auxiliary side link (2), the connecting rod (10) is arranged in parallel with the auxiliary plate (1), one end of the main side link (8) is rotationally connected with a ship body (15), the other end of the main side link (8) is rotationally connected with the auxiliary plate (1), one end of the connecting rod (10) is rotationally connected with the main side link (8), the other end of the connecting rod (10) is rotationally connected with one end of the auxiliary side link (2), and the other end of the auxiliary side link (2) is rotationally connected with the auxiliary plate (1).

4. The telescopic ship stabilizer according to claim 1, wherein: the auxiliary plate (1) comprises an auxiliary plate main body and two connecting plates, wherein the connecting plates are arranged at one end, close to the main plate (7), of the auxiliary plate main body, and the auxiliary plate main body is respectively connected with the main plate (7) and the connecting rod mechanism in a rotating mode through the two connecting plates.

5. The telescopic ship stabilizer according to claim 4, wherein: the connecting plate is connected with the main board (7) through a connecting shaft (5), and two ends of the connecting shaft (5) are axially fixed through a stop washer (3) and a round nut (4).

6. The telescopic ship stabilizer according to claim 1, wherein: the main board (7) is provided with a penetrating water flow channel along the running direction of the ship body (15), a propeller (9) is arranged in the water flow channel, and the propeller (9) is used for improving the anti-rolling efficiency of the main board (7).

7. The telescopic ship stabilizer according to claim 1, wherein: the lower end face of the main board (7) is provided with a sliding block, the sliding block is used for being matched with a guide rail (12) in the ship body (15), and the guide rail (12) is arranged along the running direction perpendicular to the ship body (15).

8. The telescopic ship stabilizer according to claim 7, wherein: the cross section of the sliding block is trapezoid.

9. The telescopic ship stabilizer according to claim 7, wherein: the limiting block (6) is fixedly arranged on the guide rail (12), and the limiting block (6) is used for limiting the maximum width of the main board (7) extending out of the ship body (15).

10. The telescopic ship stabilizer according to claim 1, wherein: the driving mechanism (14) is an air cylinder.