CN116002003A - Anti-rolling device of ship - Google Patents
Anti-rolling device of ship Download PDFInfo
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- CN116002003A CN116002003A CN202211622675.0A CN202211622675A CN116002003A CN 116002003 A CN116002003 A CN 116002003A CN 202211622675 A CN202211622675 A CN 202211622675A CN 116002003 A CN116002003 A CN 116002003A
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- connecting leg
- supporting platform
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/30—Adapting or protecting infrastructure or their operation in transportation, e.g. on roads, waterways or railways
Abstract
The invention discloses a ship stabilizing device, which comprises a plurality of stabilizing units arranged on two sides of a ship body; each anti-rolling unit comprises a supporting platform, an anti-rolling heave plate, a driving mechanism and a guiding mechanism; the inner end of the supporting platform is welded on a side outer plate of the ship body; a connecting leg is fixed in the center of the top surface of the anti-rolling heave plate, the upper part of the connecting leg is inserted into a through hole formed in the supporting platform, and two racks are symmetrically fixed on the outer surface of the connecting leg from inside to outside; the driving mechanism is arranged on the supporting platform and comprises a driving box fixed on the top surface of the supporting platform, and a driving motor and a gear transmission mechanism which are arranged in the driving box; two gears in the gear transmission mechanism are meshed with two racks on the connecting leg in a one-to-one correspondence manner; the guide mechanism comprises two groups of guide gears which are meshed with the two racks on the connecting leg in a one-to-one correspondence manner and two groups of guide wheels which are tangent to the outer surface of the connecting leg in a one-to-one correspondence manner. The invention can optimize the wave resistance of the existing ship.
Description
Technical Field
The invention relates to a ship stabilizer.
Background
For ships with plane of slender structure, the rolling wave resistance is far worse than pitching wave resistance, so when the ship performs work and sailing at certain specific angles, a large number of non-windward and smooth wave postures may exist, the poor rolling wave resistance will cause the ship sailing and the risk of work to be increased, especially some special ships are equipped with special machines and used for engineering such as dock building, dredging, offshore wind power installation and the like in harbor areas or on the waterways, and the poor rolling wave resistance will cause construction difficulties. Thus, a relatively weak roll resistance should be noted in particular.
The ship can be optimized for the wave resistance in the design stage, and the ship with better rolling wave resistance is produced to adapt to the severe environment of some sea areas, but the engineering of the existing ship to adapt to new challenges is a more economical and feasible technical route.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide a ship stabilizing device which can optimize the wave resistance of the existing ship.
The purpose of the invention is realized in the following way: a ship's roll reduction apparatus includes a plurality of roll reduction units disposed on both sides of a hull; wherein, the liquid crystal display device comprises a liquid crystal display device,
each anti-rolling unit comprises a supporting platform, an anti-rolling heave plate, a driving mechanism and a guiding mechanism;
the inner end of the supporting platform is welded on the side outer plate of the ship body, and the top surface of the supporting platform is leveled with the weather deck surface of the ship body;
a connecting leg is fixed in the center of the top surface of the anti-rolling heave plate, the upper part of the connecting leg is inserted into a through hole formed in the supporting platform, and two racks are symmetrically fixed on the outer surface of the connecting leg from inside to outside;
the driving mechanism is arranged on the supporting platform and comprises a driving box fixed on the top surface of the supporting platform, and a driving motor and a gear transmission mechanism which are arranged in the driving box; the gear transmission mechanism comprises a transverse rotating shaft connected to an output shaft of the driving motor, two pairs of bevel gear pairs, two longitudinal rotating shafts and gears, wherein one side of each bevel gear pair is arranged at two ends of the transverse rotating shaft in a one-to-one correspondence manner, the other side of each bevel gear pair is arranged in a one-to-one correspondence manner, and the gears are arranged on the two longitudinal rotating shafts in a one-to-one correspondence manner and meshed with the two racks on the connecting legs in a one-to-one correspondence manner;
the guide mechanism comprises a guide cylinder, two groups of guide gears, two groups of hydraulic cylinders, two locking racks and two groups of guide wheels, wherein the two groups of guide gears, the two groups of hydraulic cylinders, the two locking racks and the two groups of guide wheels are arranged in the guide cylinder; the guide cylinder is fixed on the top surface of the driving box and coaxially sleeved on the upper part of the connecting leg; the two groups of guide gears are respectively arranged up and down and meshed with the two racks on the connecting leg in a one-to-one correspondence manner; the two groups of hydraulic cylinders are respectively arranged up and down and are fixed on the inner wall of the guide cylinder in one-to-one correspondence with the two groups of guide gears; the two locking racks are correspondingly fixed on the piston rods of the two groups of hydraulic cylinders one by one, and are correspondingly meshed with the two groups of guide gears one by one when the piston rods of the two groups of hydraulic cylinders extend out; the two groups of guide wheels are respectively arranged up and down and are symmetrically tangent to the outer surface of the connecting leg in a front-back mode.
According to the ship stabilizing device, the plane of the stabilizing heave plate is square, the edge of the stabilizing heave plate is thin, the middle of the stabilizing heave plate is thick, the center of the top surface of the stabilizing heave plate is fixed with the fixing sleeve, and the lower ends of the connecting legs are inserted into the fixing sleeve and fixed through the pins.
The ship stabilizing device is characterized in that two transverse brackets and two longitudinal brackets are fixed in the guide cylinder; the two groups of guide gears are arranged on the two transverse brackets in a one-to-one correspondence manner; the two groups of guide wheels are arranged on the two longitudinal brackets in a one-to-one correspondence.
The ship stabilizer of the invention has the following characteristics:
1. by arranging the driving mechanism, when the operation or navigation condition is bad, the driving mechanism descends the anti-sway plate to be below the water surface and is locked, so that the additional mass and radiation damping of the ship can be increased, and the wave resistance performance of the ship is improved; when the operation or the navigation condition is bad, the anti-rolling heave plate is lifted to be above the water surface and locked, and the influence of hydrodynamic damping on the navigation performance of the ship is not additionally increased.
2. Through setting up guiding mechanism, can restrict the horizontal displacement and the rotation of connecting leg at the combined action of two sets of guide gear and two sets of leading wheels. When the anti-rolling heave plate is to be locked, the locking rack limits the rotation of the guide gear when the piston rod of the hydraulic oil cylinder stretches out, so that the vertical movement of the connecting leg and the anti-rolling heave plate is limited, and the purpose of locking the position of the anti-rolling heave plate is achieved.
Drawings
FIG. 1 is a plan view of a roll reduction apparatus of a marine vessel of the present invention;
FIG. 2 is an elevation view of a single roll reduction unit in the roll reduction apparatus of the marine vessel of the present invention;
FIG. 3 is a right side view of FIG. 2;
FIG. 4 is a plan view of the drive mechanism in a single anti-roll unit of the present invention;
FIG. 5 is a plan view of the guide mechanism in the single anti-roll unit of the present invention;
FIG. 6 isbase:Sub>A view in the direction A-A of FIG. 5;
fig. 7 is a B-B view in fig. 5.
Detailed Description
The invention will be further described with reference to the accompanying drawings.
Referring to fig. 1 to 7, the anti-roll device of the ship of the present invention includes a plurality of anti-roll units 10 disposed on both sides of a hull 1; each roll reduction unit 10 comprises a support platform 2, a roll reduction heave plate 3, a connecting leg 4, a drive mechanism 5 and a guide mechanism 6.
The inner end of the supporting platform 2 is welded on the side outer plate of the ship body 1, and the top surface of the supporting platform 2 is leveled with the open deck surface of the ship body 1.
The plane of the anti-rolling heave plate 3 is square, the edge is thin, the middle is thick, a fixed sleeve 30 is fixed in the center of the top surface of the anti-rolling heave plate 3, and a plurality of pin holes are uniformly formed in the fixed sleeve 30.
The lower parts of the connecting legs 4 are inserted into the fixing sleeves 30 on the top surface of the anti-rolling heave plate 3 and are fixed by a plurality of pins, the upper parts of the connecting legs 4 are inserted into the through holes formed in the supporting platform 2, the anti-rolling heave plate 3 is positioned below the supporting platform 2, and the two racks 40 are symmetrically welded and fixed on the inner side and the outer side of the outer surface of the connecting legs 4.
The driving mechanism 5 is used for driving the connecting legs 4 and the anti-sway plate 3 to move vertically; the driving mechanism 5 is mounted on the supporting platform 2 and comprises a driving box 50 fixed on the top surface of the supporting platform 2, and a driving motor 51 and a gear transmission mechanism which are mounted in the driving box 50; the drive motor 51 is disposed with its output shaft facing away from the outboard panel of the hull 1, and its output shaft is connected to the speed reducer 52 at sea; the gear transmission mechanism includes a transverse rotating shaft 53 connected to the output shaft of the speed reducer 52, two pairs of bevel gear pairs 54 mounted on both ends of the transverse rotating shaft 53 in one-to-one correspondence, two longitudinal rotating shafts 55 mounted on the other sides of the two pairs of bevel gear pairs 54 in one-to-one correspondence, and two gears 56 mounted on the two longitudinal rotating shafts 55 in one-to-one correspondence and meshed with the two racks 40 on the connecting leg 4 in one-to-one correspondence.
The guiding mechanism 6 is used for limiting the freedom degree of the connecting leg 4, so that the connecting leg 4 and the anti-sway plate 3 can only move vertically; the guide mechanism 6 comprises a guide cylinder 60, two groups of guide gears 61, two groups of hydraulic cylinders 63, two locking racks 62 and two groups of guide wheels 64 which are arranged in the guide cylinder 60; the guide cylinder 60 comprises a cylinder body, and a top plate and a bottom plate which are fixed on the top surface and the bottom surface of the cylinder body in a one-to-one correspondence manner, wherein a connecting leg through hole is respectively formed in the center of the top plate and the center of the bottom plate, the guide cylinder 60 is fixed on the top surface of the driving box 50 and coaxially sleeved on the upper part of the connecting leg 4, two transverse brackets 601 are symmetrically fixed between the top plate and the bottom plate of the guide cylinder 60 on the inner side and the outer side of the connecting leg 4, and two longitudinal brackets 602 are symmetrically fixed on the front side and the rear side of the connecting leg 4; the two sets of guide gears 61 are respectively arranged up and down and are arranged on the two transverse brackets 601 in a one-to-one correspondence manner and are meshed with the two racks 40 on the connecting leg 4 in a one-to-one correspondence manner; the two sets of hydraulic cylinders 63 are respectively arranged up and down and are fixed on the inner wall of the guide cylinder 60 in one-to-one correspondence with the two sets of guide gears 61; the two locking racks 62 are fixed on the piston rods of the two groups of hydraulic cylinders 63 in a one-to-one correspondence manner, and the two locking racks 62 are meshed with the two groups of guide gears 61 in a one-to-one correspondence manner when the piston rods of the two groups of hydraulic cylinders 63 extend; the two sets of guide wheels 64 are each arranged one above the other and mounted on two longitudinal supports 602 in a one-to-one correspondence and tangential to the outer surface of the connecting leg 4.
According to the ship anti-rolling device, power is transmitted to the speed reducer 52 through the driving motor 51 in the driving mechanism 5, and the speed reducer 52 transmits the power to the connecting leg 4 through the cooperation of the gear transmission mechanism and the rack 40 to drive the anti-rolling heave plate 3 to lift;
the horizontal displacement and rotation of the connecting leg 4 can be limited by the cooperation of the two sets of guide gears 61 and the two sets of guide wheels 64 in the guide mechanism 6. When the piston rod of the hydraulic cylinder 63 extends out, the locking rack 62 limits the rotation of the guide gear 61, so that the vertical movement of the connecting leg 4 and the anti-rolling heave plate 3 is limited, and the purpose of locking the position of the anti-rolling heave plate 3 is achieved.
The anti-rolling heave plate 3 can realize the functions of ascending, descending, locking and the like through the driving mechanism 5 and the guiding mechanism 6, and when the operation or navigation condition is bad, the anti-rolling heave plate 3 is descended below the water surface and locked, so that the additional mass and radiation damping of the ship can be increased, and the wave resistance performance of the ship is improved; when the operation or the sailing condition is bad, the anti-rolling heave plate 3 is lifted to be above the water surface and locked, and the influence of hydrodynamic damping on the sailing performance of the ship is not additionally increased.
The above embodiments are provided for illustrating the present invention and not for limiting the present invention, and various changes and modifications may be made by one skilled in the relevant art without departing from the spirit and scope of the present invention, and thus all equivalent technical solutions should be defined by the claims.
Claims (3)
1. A ship's roll reduction apparatus includes a plurality of roll reduction units disposed on both sides of a hull; it is characterized in that the method comprises the steps of,
each anti-rolling unit comprises a supporting platform, an anti-rolling heave plate, a driving mechanism and a guiding mechanism;
the inner end of the supporting platform is welded on the side outer plate of the ship body, and the top surface of the supporting platform is leveled with the weather deck surface of the ship body;
a connecting leg is fixed in the center of the top surface of the anti-rolling heave plate, the upper part of the connecting leg is inserted into a through hole formed in the supporting platform, and two racks are symmetrically fixed on the outer surface of the connecting leg from inside to outside;
the driving mechanism is arranged on the supporting platform and comprises a driving box fixed on the top surface of the supporting platform, and a driving motor and a gear transmission mechanism which are arranged in the driving box; the gear transmission mechanism comprises a transverse rotating shaft connected to an output shaft of the driving motor, two pairs of bevel gear pairs, two longitudinal rotating shafts and gears, wherein one side of each bevel gear pair is arranged at two ends of the transverse rotating shaft in a one-to-one correspondence manner, the other side of each bevel gear pair is arranged in a one-to-one correspondence manner, and the gears are arranged on the two longitudinal rotating shafts in a one-to-one correspondence manner and meshed with the two racks on the connecting legs in a one-to-one correspondence manner;
the guide mechanism comprises a guide cylinder, two groups of guide gears, two groups of hydraulic cylinders, two locking racks and two groups of guide wheels, wherein the two groups of guide gears, the two groups of hydraulic cylinders, the two locking racks and the two groups of guide wheels are arranged in the guide cylinder; the guide cylinder is fixed on the top surface of the driving box and coaxially sleeved on the upper part of the connecting leg; the two groups of guide gears are respectively arranged up and down and meshed with the two racks on the connecting leg in a one-to-one correspondence manner; the two groups of hydraulic cylinders are respectively arranged up and down and are fixed on the inner wall of the guide cylinder in one-to-one correspondence with the two groups of guide gears; the two locking racks are correspondingly fixed on the piston rods of the two groups of hydraulic cylinders one by one, and are correspondingly meshed with the two groups of guide gears one by one when the piston rods of the two groups of hydraulic cylinders extend out; the two groups of guide wheels are respectively arranged up and down and are symmetrically tangent to the outer surface of the connecting leg in a front-back mode.
2. The ship's roll reducing device according to claim 1, wherein the roll reducing heave plate has a square plane with thin edges and thick middle, a fixing sleeve is fixed at the center of the top surface of the roll reducing heave plate, and the lower ends of the connecting legs are inserted into the fixing sleeve and fixed by a plurality of pins.
3. The ship's roll reduction apparatus of claim 1, wherein two transverse brackets and two longitudinal brackets are fixed within the guide cylinder; the two groups of guide gears are arranged on the two transverse brackets in a one-to-one correspondence manner; the two groups of guide wheels are arranged on the two longitudinal brackets in a one-to-one correspondence.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211622675.0A CN116002003A (en) | 2022-12-16 | 2022-12-16 | Anti-rolling device of ship |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211622675.0A CN116002003A (en) | 2022-12-16 | 2022-12-16 | Anti-rolling device of ship |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116002003A true CN116002003A (en) | 2023-04-25 |
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ID=86030947
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211622675.0A Pending CN116002003A (en) | 2022-12-16 | 2022-12-16 | Anti-rolling device of ship |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116002003A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116788455A (en) * | 2023-07-07 | 2023-09-22 | 华中科技大学 | Active and passive anti-rolling device of floating wind power platform |
| CN117227922A (en) * | 2023-10-19 | 2023-12-15 | 广东海洋大学 | Suspension type anti-rolling device and working method thereof |
-
2022
- 2022-12-16 CN CN202211622675.0A patent/CN116002003A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116788455A (en) * | 2023-07-07 | 2023-09-22 | 华中科技大学 | Active and passive anti-rolling device of floating wind power platform |
| CN116788455B (en) * | 2023-07-07 | 2024-02-02 | 华中科技大学 | Active and passive anti-rolling device of floating wind power platform |
| CN117227922A (en) * | 2023-10-19 | 2023-12-15 | 广东海洋大学 | Suspension type anti-rolling device and working method thereof |
| CN117227922B (en) * | 2023-10-19 | 2024-03-05 | 广东海洋大学 | Suspension type anti-rolling device and working method thereof |
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