CN205469707U - Bilge keelson - Google Patents
Bilge keelson Download PDFInfo
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- CN205469707U CN205469707U CN201521081836.5U CN201521081836U CN205469707U CN 205469707 U CN205469707 U CN 205469707U CN 201521081836 U CN201521081836 U CN 201521081836U CN 205469707 U CN205469707 U CN 205469707U
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- clam shell
- shell design
- bilge
- fixing
- bilge keelson
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Abstract
The utility model relates to a bilge keelson, the major structure is including fixed clam shell structure (2) and rotate clam shell structure (1) two parts, is the pancake behind two parts zoarium, and the head and the tail both ends are streamlined, fixed clam shell structure (2) fixed connection in bilge strake (3), rotation clam shell structure (1) be connected with fixed clam shell structure (2) through the pivot system, the pivot system is used for rotating opening and shutting of clam shell structure (1). The utility model discloses a bilge keelson can increase the rolling damping of boats and ships, reduces the rolling of boats and ships effectively, reinforcing rolling stability.
Description
Technical field
This utility model relates to a kind of shipborne equipment reducing rolling, is specifically related to a kind of bilge keelson covered for ship Counter-Flooding Stabilization anti-inclining.
Background technology
The motion of swaying of boats and ships is a kind of harmful boats and ships motion, and crewman, Ship Structure, plant equipment etc. are brought adverse influence by it.Boats and ships shake
Swinging motion include rolling, pitching, yawing, surging, swaying and hang down and swing six kinds of forms, wherein rolling is maximum on the impact of ship performance, and pitching is taken second place.
In order to slow down or reduce waving of boats and ships, stabilizer can be added on boats and ships.
According to this qualitative classification of the power constituting stabilizing moment, stabilizer can be divided into action of gravity formula, fluid dynamic action type, turning power action type
Three classes；Passive type and active two classes can be divided into again according to control form.At present, the stabilizer that boats and ships are conventional has: bilge keelson, stabilizer, subtract
Shake water tank, free gyroscope stabilizer, rudder stabilization device etc..Wherein, bilge keelson because its simple in construction, cost are low, easy to maintenance, usefulness preferably and
Being used widely, almost every boats and ships are equipped with bilge keelson.
In general, bilge keelson is fixedly mounted at outside hull the turn of the bilge and the most vertical with bilge strake, along a block length batten of water (flow) direction, it
It it is simplest a kind of passive type hydrodynamic force ship stabilizer.The length of bilge keelson is generally 1/3 to the 1/2 of captain, and width is generally the beam
4% to 6%, and width is typically not greater than the square frame line of midship section.
It is to utilize it to be contained on hull turn of the bilge shell to produce the additional water resistance to ship rolling, to reduce ship rolling that bilge keelson subtracts the principle shaken.
The experience optimization carrying out on yardstick to the ship of different boats and ships coefficients is often focused in existing technological improvement, and is devoted to simple linear end and changes
Enter and section optimization, such as: for the boats and ships that Block Coefficient is big, use long and narrow bilge keelson, meanwhile, in order to avoid bilge keelson participates in longitudinal bending,
It is set to segmentation structure；For the boats and ships that Block Coefficient is little, such as fishing boat, bilge keelson is arranged on above the turn of the bilge as far as possible, and short-wide can be made into three
Dihedral is to improve local strength.
The advantage of bilge keelson is: roll angle is the biggest, the most violent, and its anti-rolling effect is the best；During navigation, anti-rolling effect ratio is more preferable when berthing；To boats and ships
Ship resistance is little, and roll-resistant is bigger；Anti-rolling effect is good, simple in construction, and low cost is widely used.But, existing bilge keelson structure shape
There is following defect and deficiency in formula: subjects to damage；Boats and ships are produced certain ship resistance；Can only rollstabilization, it is impossible to pitching stabilization.And, by bilge
The restriction of keel dimensions, subtracts the damping torque shaken limited, subtracts the ability (the reduction amplitude of oscillation) shaken limited, anti-rolling effect typically 10%～about 20%,
It is difficult to meet demand.Additionally, for the bilge keelson determined, due to fixing of bilge keelson geomery, it is impossible to for change and the roll angle of sea situation
Dynamically adjust with the emergency of acceleration, greatly affect its range.
Utility model content
The purpose of this utility model is the deficiency overcoming prior art to exist, it is provided that one can increase in the case of not appreciably affecting ship resistance and performance
The bilge keelson of strong static pitching stability.Bilge keelson of the present utility model, the bilge keelson effective area of deployed condition is double, can increase the roll damping of boats and ships
Buddhist nun, reduces the rolling of boats and ships effectively, strengthens static pitching stability；The bilge keelson monnolithic case fairing of folded state, will not too much increase ship's navigation
Resistance, from without significantly affecting ship resistance and performance.The technical solution of the utility model is as follows:
A kind of bilge keelson, agent structure includes fixing clam shell design (2) and rotates clam shell design (1) two parts, in pancake after two parts zoarium,
Two ends are streamlined from beginning to end, and fixing clam shell design (2) is fixedly connected on bilge strake (3), and described rotation clam shell design (1) passes through rotating shaft system
Being connected with fixing clam shell design (2), rotating shaft system is used for rotating the folding of clam shell design (1).
Preferably, rotating shaft system includes the most a set of connecting gear, transmission shaft (9) and output shaft (10), and power transmission shaft (9) is put
Away from the side of bilge strake (3) in fixing clam shell design (2), by the bearings being fixed on fixing clam shell design (2)；Output shaft (10)
Close and parallel with power transmission shaft (9), it is placed in rotation clam shell design (1), by being fixed on the bearings rotated on clam shell design (2)；Respectively
Set connecting gear is arranged on different parts, and connecting gear includes power shaft (8), bevel gear (11) and spur gear (13), and power shaft (8) is horizontal
To being arranged in the intracavity of fixing clam shell design (2), one end passes bilge strake (3), is connected to the motor of hull interior；The other end passes through bevel gear
(11) power transmission shaft (9) normal thereto is driven；Power transmission shaft (9) drives output shaft (10) to rotate by spur gear (13) engagement；Fixing
The intracavity of clam shell design (2) and rotation clam shell design (1) is provided with reinforcing plate (14).Reinforcing plate (14) offers lightening core (15).
All being sealedly connected with transmission case outside connecting gear often overlapping, transmission case is fixed in fixing clam shell design (2).
Employing the beneficial effects of the utility model are:
1. can the bilge keelson version of folding so that boats and ships are capable of tackling different navigation condition and requirement flexibly.In the face of high sea situation or
When stability is required higher by person, bilge keelson can be launched, increase damping, reduce rolling, strengthen stability；Situation or limit irrigation in the face of little stormy waves
In collapsible bilge keelson, prevent from bottoming out, collision etc., and the bilge keelson profile fairing of folded state do not interfere with the rapidity of boats and ships.
2. bilge keelson agent structure is symmetrical above and below, symmetrical front and back, removes head and the tail two ends, and mid portion shape of cross section is identical.Can use during construction
Same set of mould, in batches modularized production.
3. rotating shaft transmission system structure is simple and reliable, and takes full advantage of the inner space of bilge keelson enclosed construction.
Accompanying drawing explanation
Fig. 1 is that the interior type of one of the present utility model can folding clamshell bilge keelson overall construction drawing；
Fig. 2 is that the interior type of one of the present utility model can folding clamshell bilge keelson completely folded state figure；
Fig. 3 is that the interior type of one of the present utility model can folding clamshell bilge keelson its fully unfolded position figure
Fig. 4 be of the present utility model a kind of in type can the structure chart of folding clamshell bilge keelson rotating shaft system；
Fig. 5 is that an a kind of interior type of the present utility model can the folding clamshell bilge keelson local structural graph in driving front case position；
Fig. 6 be of the present utility model a kind of in type can the control flow schematic diagram of folding clamshell bilge keelson；
1. transmission case 7. driving front case 8. power shaft 9. in transmission case 6. after rotation clam shell design 2. fixes clam shell design 3. bilge strake 4. cladding plate 5.
Power transmission shaft 10. output shaft 11. bevel gear 12. bearing 13. spur gear 14. reinforcing plate 15. lightening core
Detailed description of the invention
Below in conjunction with drawings and Examples, the utility model is described in further detail.Specific embodiment mode described herein is only used for solving
Release this utility model, be not used to limit protection domain of the present utility model.
Now in conjunction with above-mentioned each accompanying drawing, propose a kind of in type can folding clamshell bilge keelson at the case study on implementation of a kind of arrangement of boats and ships.
This device i.e. in a type can folding clamshell bilge keelson, be mainly used in various ships, for suppressing rolling under Various Complex state.
As shown in Figures 1 to 5, in one of the present utility model a type can folding clamshell bilge keelson, agent structure is by fixing clam shell design 2 and rotating
Clam shell design 1 two parts form, and described fixing clam shell design 2 and rotation clam shell design 1 are mutually symmetrical with platypelloid type enclosed construction.From beginning to end two
End, for streamlined, keeps the streamline fairing that bilge keelson is longitudinal.Head and the tail totally 4 ends are identical up and down, can build in batches.Remove head and the tail two ends,
Mid portion shape of cross section is identical, and same set of mold sections can be used during construction to build.Therefore clamshell bilge keelson main part can realize module
Change batch production, reduce construction cost.Fixing clam shell design 2 is fixedly connected on bilge strake 3, and is perpendicular to bilge strake 3, junction welding cladding plate；
Described rotation clam shell design 1 is above, is connected with fixing clam shell design 2 by rotating shaft system.At fixing clam shell design 2 and rotation concha Anodonta seu Cristaria knot
Reinforcing plate 14 is set in the enclosed construction of structure 1, in order to strengthen structural strength, reinforcement version arranges lightening core 15, due to bilge keelson mid portion
Cross section is identical, therefore reinforcing plate shape is identical, can build in batches.
Rotating shaft system is made up of power shaft 8, power transmission shaft 9, output shaft 10.Power shaft 8 is transversely arranged on the intracavity of fixing clam shell design 2, one end
Through bilge strake 3, it is connected to the electromotor of hull interior；The other end drives power transmission shaft 9 normal thereto by bevel gear 11；Power transmission shaft 9 is positioned at
Away from hull side in fixing clam shell design 2, it is longitudinally arranged；Output shaft 10 is against power transmission shaft 9, parallel with power transmission shaft 9, in two ends and interposition
Put and engage driving rotation, transmission case 5, middle transmission case 6, driving front case 7 after relevant position is respectively provided with power transmission shaft by spur gear 13, protect
Tooth protection wheel system.Transmission case is integrated with fixing clam shell design 2, and profile is tubular, and two ends sealing device to be arranged prevents sea water from entering.Input
On axle 8, power transmission shaft 9, output shaft 10, at location arrangements bearing 12 as depicted, in order to support, the position of fixing axle system, described bearing
12 to be fixed together with the shell of fixing clam shell design 2.Described output shaft 10 is fixed together with described rotation clam shell design 1 so that
Rotate clam shell design 1 to realize rotating under the drive of output shaft 10.
As shown in Figure 6, of the present utility model in type can folding clamshell bilge keelson, its control system is by boats and ships motion real-time watch device, data acquisition
Set analysis display system, motor control system form.At the fluid level measuring instrument that shipboard is arranged, in order to monitor the drinking water of boats and ships two side of a ship in real time.At ship
Oceangoing ship mass axis arranges dynamic parameter measurement instrument near position, monitors the data such as the rolling velocity of boats and ships, angular velocity in real time.Data collection and analysis shows
The signal of telecommunication input computer that system will monitor, is converted into corresponding physical quantity, draws the kinestate of boats and ships accordingly, and provide ship's navigation
The judgement that state is good and bad, and the suggestion of clamshell bilge keelson folding, be presented on the screen of driver's cabin intuitively by it.One as this patent is real
Existing form, can be manipulated automatically by computer, assists with human pilot manual manipulation motor control system, controls motor rotation, finally make freshwater mussel
Formula bilge keelson correspondingly realizes launching or folding, and is automatically adjusted ship rolling.Can certainly be completely by human pilot manual manipulation electric machine control system.
When ship's navigation, boats and ships motion real-time monitoring system monitors ship rolling angular velocity, angular acceleration etc., in conjunction with drauht, as ginseng
Number input computer, checks boats and ships transverse stability, if persistently beyond a certain secure setting in regular hour interval, it is judged that ship rolling is relatively big,
And data collection and analysis display system can send alarm to driver's cabin, and result is shown on screen.Motor control system Automatic-expanding bilge subsequently
The rotation clam shell design of Os Draconis, as it is shown on figure 3, increase bilge keelson effective area, thus increases roll damping, suppresses rolling.If certain
Being consistently less than a certain specific value in time interval, ship rolling is the least, then the rotation clam shell design of motor control system auto-folder bilge keelson,
As shown in Figure 2.
For navigating by water in the case of limit irrigation or other particular/special requirements, need to fold (or expansion) bilge keelson, can be by driver's Non-follow control bilge
Os Draconis folding.
Above-described, it is only in order to explain preferred embodiment of the present utility model, is not intended to according to this this utility model be made any pro forma restriction,
Then, all have any modification or change made under identical creation spirit, all must be included in this utility model scope of the claims.
Claims (5)
1. a bilge keelson, agent structure includes fixing clam shell design (2) and rotates clam shell design (1) two parts, it is characterized in that, in pancake after two parts zoarium, two ends are streamlined from beginning to end, fixing clam shell design (2) is fixedly connected on bilge strake (3), covering plate it is fixed with in junction, described rotation clam shell design (1) is connected with fixing clam shell design (2) by rotating shaft system, and rotating shaft system is used for rotating the folding of clam shell design (1).
Bilge keelson the most according to claim 1, it is characterized in that, described rotating shaft system includes the most a set of connecting gear, power transmission shaft (9) and output shaft (10), power transmission shaft (9) is placed in the interior side away from bilge strake (3) of fixing clam shell design (2), by the bearings being fixed on fixing clam shell design (2)；Output shaft (10) is close and parallel with power transmission shaft (9), is placed in rotation clam shell design (1), by being fixed on the bearings rotated on clam shell design (2)；Each set connecting gear is arranged on different parts, connecting gear includes power shaft (8), bevel gear (11) and spur gear (13), power shaft (8) is transversely arranged on the intracavity of fixing clam shell design (2), one end passes bilge strake (3), is connected to the motor of hull interior；The other end drives power transmission shaft (9) normal thereto by bevel gear (11)；Power transmission shaft (9) drives output shaft (10) to rotate by spur gear (13) engagement.
Bilge keelson the most according to claim 1, it is characterised in that the intracavity at fixing clam shell design (2) and rotation clam shell design (1) is provided with reinforcing plate (14).
Bilge keelson the most according to claim 3, it is characterised in that offer lightening core (15) in reinforcing plate (14).
Bilge keelson the most according to claim 1, it is characterised in that be all sealedly connected with transmission case outside connecting gear often overlapping, transmission case is fixed in fixing clam shell design (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521081836.5U CN205469707U (en) | 2015-12-22 | 2015-12-22 | Bilge keelson |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521081836.5U CN205469707U (en) | 2015-12-22 | 2015-12-22 | Bilge keelson |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205469707U true CN205469707U (en) | 2016-08-17 |
Family
ID=56661387
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521081836.5U Expired - Fee Related CN205469707U (en) | 2015-12-22 | 2015-12-22 | Bilge keelson |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205469707U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105438414A (en) * | 2015-12-22 | 2016-03-30 | 天津大学 | Bilge keel |
| CN107089306A (en) * | 2017-04-19 | 2017-08-25 | 河北工程大学 | A kind of flexible bilge keelson system of hydraulic-driven |
| CN107117271A (en) * | 2017-06-09 | 2017-09-01 | 河北工程大学 | A kind of control method of the flexible bilge keelson system of hydraulic-driven |
| CN107600353A (en) * | 2017-09-05 | 2018-01-19 | 青岛黄海学院 | High reliability numerical control fin stabilizer peculiar to vessel and its control method |
-
2015
- 2015-12-22 CN CN201521081836.5U patent/CN205469707U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105438414A (en) * | 2015-12-22 | 2016-03-30 | 天津大学 | Bilge keel |
| CN107089306A (en) * | 2017-04-19 | 2017-08-25 | 河北工程大学 | A kind of flexible bilge keelson system of hydraulic-driven |
| CN107117271A (en) * | 2017-06-09 | 2017-09-01 | 河北工程大学 | A kind of control method of the flexible bilge keelson system of hydraulic-driven |
| CN107600353A (en) * | 2017-09-05 | 2018-01-19 | 青岛黄海学院 | High reliability numerical control fin stabilizer peculiar to vessel and its control method |
| CN107600353B (en) * | 2017-09-05 | 2019-01-18 | 青岛黄海学院 | High reliability numerical control fin stabilizer peculiar to vessel and its control method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160817 Termination date: 20171222 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |