CN2441733Y - Adjustable small waterline boat - Google Patents
Adjustable small waterline boat Download PDFInfo
- Publication number
- CN2441733Y CN2441733Y CN 00218127 CN00218127U CN2441733Y CN 2441733 Y CN2441733 Y CN 2441733Y CN 00218127 CN00218127 CN 00218127 CN 00218127 U CN00218127 U CN 00218127U CN 2441733 Y CN2441733 Y CN 2441733Y
- Authority
- CN
- China
- Prior art keywords
- air valve
- water tank
- cabin
- flooding
- free
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Other Liquid Machine Or Engine Such As Wave Power Use (AREA)
Abstract
The utility model relates to an adjustable small waterline boat, which comprises a submarine diving body, a streamlined strut and an aquatic tank body, wherein, the strut is used for separating a free-flooding cabin, and the top part of the free-flooding cabin is provided with a ventilation pipe provided with an air valve; an outlet of the ventilation pipe is higher than a deck on the wall of the cabin, and an opening of the free-flooding cabin is provided with fences. An air valve control system is used for collecting signals via an acceleration sensor and a liquid level sensor, and the air valve is opened and closed in order to adjust the sea water flow in the free-flooding cabin, change the size of the waterline and the inertia moment of ships and enhance the seakeeping ability of the boat via operation, amplification and treatment. The utility model having favorable effect on control can be used for the ships needing steady operation for traffic, national defense, ocean scientific survey, etc.
Description
A kind of adjustable small waterline plane ship, its waterplane area and the moments of inertia can be adjusted as required, can be used for communications and transportation, national defence, oceanographic survey etc. and require the steadily naval vessel of running, belong to the transportation class technical field of ships.
Small waterline plane ship is the high-performance ship of exploitation in modern age, has good rough water quality, since will provide the submerged body of most of buoyancy darker not in water, only pass the water surface with streamline strut and link to each other with top casing, the waterplane of pillar is very little, thereby has reduced the disturbance force of wave to ship, increased shaking the cycle certainly of ship, humorous shaking do not take place in the period of a wave that can avoid often suffering from the navigating area, so shake very little.After reducing water plane area, static stability reduces, and just can make the naval vessel on an even keel in wave with less stability force, controlled performance improvement.
Because the good rough water quality of small waterline plane ship is to realize by reducing water plane area, but reduce water plane area following restriction arranged: 1, the restriction of stability: the safety of ship rules require boats and ships in stormy waves, load when moving and turning round at full speed, must satisfy the floading condition that the stability weighing apparatus is accurate and maintenance is good, not allow the waterplane area and the moments of inertia are reduced to the degree that influences safety; 2, the restriction of hull structural strength and rigidity: require pillar to have enough length and thickness; 3, operating needs: pillar connects waterborne and underwater hull, is personnel's passages up and down; 4, facility location: also may erecting equipment in the pillar, cable, piping, axle system etc., requiring provides required space, and 5, the shape that requires of quick performance etc.At present, small waterline plane ship, the very difficult coordination of particularly medium and small small waterline plane ship hull structure, operating needs and facility location and performance are to the contradiction of waterplane shape and size requirements, the waterplane area and the moments of inertia are often bigger than normal, can not give full play to the good advantage of small waterline plane ship rough water quality, also limit development and the application of this ship type on the small scale naval vessel.
The purpose of this utility model is the above-mentioned deficiency at existing small waterline plane ship, and a kind of small waterline plane ship of new structure is provided, and its waterplane area and the moments of inertia (being size and shape) can be adjusted as required, more adapts to actual needs.
For realizing such purpose, in the technical solution of the utility model, small waterline plane ship comprises underwater immersed body, streamline strut and casing waterborne, and will have the waterplane that small waterline plane ship surpasses the requirement of stability legislative control on safety now and separate again, form one or several maritime water tanks at hull, the top of each maritime water tank is provided with breather pipe, and the normally closed air valve that is controlled by air valve control system is housed on the breather pipe.
By the similar requirement of rules to sea water tank, also should install grid, and the facility at the bottom of purge grid and the water tank is arranged at the water tank opening part, in water tank, to adopt suitable corrosion protection measure, the outlet of breather pipe should be higher than more than the bulkhead deck.
When air valve was closed, because the compressibility of air is less, the naval vessel drinking water changed, and the water yield in the maritime water tank changes very little, is equivalent to not maritime water tank.When the naval vessel suffers than high sea, can be on request, open all or part of air valve, water in the maritime water tank can flow, water tank does not provide buoyancy, and quite actual waterplane diminishes, and reaches by setting requirement to adjust the waterplane size and the moments of inertia, to change the free period of heave, pitching and rolling, avoid humorous purpose of shaking with shaking by swirling.
The utility model also can be according to stormy waves feature, ship sway and heave characteristic, design maritime water tank and maritime mouth size and depth of immersion, in time open and close air valve and regulate the air-flow size, seawater oscillation period and phase place in the control water tank, to produce moment and the power of preventing ship sway and heave, give full play to the controlled effective advantage of small waterline plane ship, further improve the naval vessel rough water quality and improve floading condition.Because the effectiveness in vibration suppression of water tank is subjected to advance speed effect hardly, this is to the naval vessel advantageous particularly of zero-speed or low speed marine operation.
Design of the present utility model is not only applicable to catamaran, is applicable to single hull yet.
For understanding the technical solution of the utility model better, be further described below in conjunction with accompanying drawing and embodiment.
Fig. 1 is the rough package drawing of the utility model embodiment on the one-mast support small waterplane area twin hull ship (SWATH).
As shown in the figure, small waterline plane ship is made up of underwater immersed body 1, streamline strut 2 and casing waterborne 3, and the front end branch of pillar 2 is separated with two maritime water tanks 4, at tail end a maritime water tank 4 is arranged also.
Fig. 2 be among Fig. 1 embodiment A to structural representation.
As shown in the figure, small waterline plane ship comprises underwater immersed body 1, streamline strut 2 and casing waterborne 3, be separated with connecting the sea water cabin 4 at pillar 2 part branches, be provided with breather pipe 5 at the top of maritime water tank 4, the outlet of breather pipe 5 is higher than the bulkhead deck, and the normally closed air valve 6 that is controlled by air valve control system is housed on the breather pipe 5, and maritime water tank 4 has the opening 7 of grate, maritime water tank 4 tops are equipped with upper and lower motion (acceleration/accel device) sensor 8, on the water tank initial designs liquid level centre of form level sensor 14 are installed.
Fig. 3 is air valve control system figure of the present utility model.
As shown in the figure, the input of two digitizers 9 connects acceleration pick-up 8 and level sensor 14 respectively, its output connects two differential and integral calculus arithmetics and logic unit 10 respectively, the mouth of two differential and integral calculus arithmetics and logic unit 10 all connects logical-arithmetic unit 11, the output of logical-arithmetic unit 11 is connected to normally closed air valve 6 through amplifier 12, energy converter 13, simultaneously, logical-arithmetic unit 11 also be installed in monitor console on controller 16 link to each other with indicating device 15.
Sampled data from acceleration pick-up 8, after digitizer 9 is handled, input double integrator arithmetic and logic unit 10, draw this water tank place because the naval vessel heave, the up-and-down movement displacement Zi that pitching and rolling combine, speed Zi, behind acceleration/accel Zi and the period T i, input arithmetic logic device 11, again according to the level sensor 14 that is installed on this water tank initial designs liquid level centre of form, sampling obtains on the water tank liquid level, following parameter of oscillation displacement zi, through quanxtizer 9 and differentiation operator 10 output liquid level vibration device displacement zi and speed zi, send the air valve open command by logical-arithmetic unit 11, through amplifier 12 and energy converter 13, handle normally closed air valve 6 opens and closes in good time, reach the free period of regulating small waterline plane ship, seawater period of oscillation and phase place in the control water tank are eliminated negative interaction, only produce to prevent in each water tank place, the power of following motion, promptly reduce the small waterline plane ship rolling, the power of pitching and heave and moment are further improved rough water quality.Be installed in indicating device 15 and controller 16 on the monitor console, can be by naval vessel operating needs and stormy waves situation, the starting air valve control system, and monitor operational effect and fault alarm.
The utility model is separated out maritime water tank again with hull, on the breather pipe on maritime water tank top, air valve is housed, can be according to navigating area stormy waves feature, ship sway and heave characteristic, in time open and close air valve, reach the free period of regulating small waterline plane ship, seawater period of oscillation and phase place in the control water tank are eliminated negative interaction, only produce and prevent small-waterplane-area seel, heave and bevelled moment and power, further improve the rough water quality on naval vessel and the purpose of floading condition.
Claims (2)
1, a kind of adjustable small waterline plane ship, comprise underwater immersed body (1), streamline strut (2) and casing waterborne (3), it is characterized in that being separated with connecting the sea water cabin (4) at pillar (2) part branch, be provided with breather pipe (5) at the top of maritime water tank (4), the outlet of breather pipe (5) is higher than the bulkhead deck, the normally closed air valve (6) that is controlled by air valve control system is housed on the breather pipe (5), maritime water tank (4) has the opening (7) of dress barrier, maritime water tank (4) top is equipped with acceleration pick-up (8), on the water tank initial designs liquid level centre of form level sensor (14) is installed.
2, as the said adjustable small waterline plane ship of claim 1, it is characterized in that in the air valve control system, the input of two digitizers (9) connects acceleration pick-up (8) and level sensor (14) respectively, its output connects two differential and integral calculus arithmetics and logic unit (10) respectively, the mouth of two differential and integral calculus arithmetics and logic unit (10) all connects logical-arithmetic unit (11), the output of logical-arithmetic unit (11) is through amplifier (12), energy converter (13) is connected to normally closed air valve (6), logical-arithmetic unit (11) also be installed in monitor console on controller (16) link to each other with indicating device (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00218127 CN2441733Y (en) | 2000-06-22 | 2000-06-22 | Adjustable small waterline boat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00218127 CN2441733Y (en) | 2000-06-22 | 2000-06-22 | Adjustable small waterline boat |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2441733Y true CN2441733Y (en) | 2001-08-08 |
Family
ID=33583576
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 00218127 Expired - Fee Related CN2441733Y (en) | 2000-06-22 | 2000-06-22 | Adjustable small waterline boat |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2441733Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100455483C (en) * | 2004-04-21 | 2009-01-28 | 林冈嵚 | Sliding wing submerging and surfacing boat |
| CN111114724A (en) * | 2019-12-25 | 2020-05-08 | 中国船舶重工集团有限公司第七一0研究所 | Small semi-submersible navigation body |
| CN114735132A (en) * | 2022-04-07 | 2022-07-12 | 中国船舶科学研究中心 | Vibration-damping noise-reducing liquid tank device on small-waterplane-area catamaran support column and using method thereof |
-
2000
- 2000-06-22 CN CN 00218127 patent/CN2441733Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100455483C (en) * | 2004-04-21 | 2009-01-28 | 林冈嵚 | Sliding wing submerging and surfacing boat |
| CN111114724A (en) * | 2019-12-25 | 2020-05-08 | 中国船舶重工集团有限公司第七一0研究所 | Small semi-submersible navigation body |
| CN111114724B (en) * | 2019-12-25 | 2021-09-24 | 中国船舶重工集团有限公司第七一0研究所 | Small semi-submersible navigation body |
| CN114735132A (en) * | 2022-04-07 | 2022-07-12 | 中国船舶科学研究中心 | Vibration-damping noise-reducing liquid tank device on small-waterplane-area catamaran support column and using method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109703705A (en) | A kind of unmanned platform of semi-submersible type | |
| WO2018214489A1 (en) | Self-righting unmanned ship suitable for adverse sea conditions and working mode thereof | |
| Park et al. | An experimental study on vertical motion control of a high-speed planing vessel using a controllable interceptor in waves | |
| Uithof et al. | An update on the development of the Hull Vane | |
| US6588352B2 (en) | WAY as acronym for wave avoidance yacht | |
| CN112389598A (en) | Towing attitude control method suitable for unpowered FLNG/FSRU | |
| CN106347579A (en) | Through type water ballast tank | |
| Asmara et al. | Seakeeping and resistance analysis of 1200 GT passenger ship fitted with NACA 4412 stern foil using CFD method | |
| CN102556317A (en) | Hydrojet propelled ship without water ballast space | |
| Umeda et al. | Capsize of ship models in following/quartering waves: physical experiments and nonlinear dynamics | |
| CN2441733Y (en) | Adjustable small waterline boat | |
| CN2587761Y (en) | Active pitch and roll decreasing device for water-jetting type full speed ship | |
| CN104627327A (en) | Navigation state variable unmanned boat | |
| Hooyer | Behavior and handling of ships | |
| CN204548423U (en) | A kind of variable boat state unmanned boat | |
| JP4024793B2 (en) | Pitching reduction device for ships | |
| GB2361458A (en) | Semi-submersible marine craft | |
| CN1586984A (en) | Internal magnetic type magnetic fluid rock reducer for ship | |
| RU107759U1 (en) | HULL SHIP | |
| CN218085962U (en) | Marine multi-functional water spray anti-sway system | |
| JPH0195991A (en) | Tank installed to keel for ship in longitudinal direction | |
| Matsuda et al. | Capsizing due to bow-diving in following waves | |
| RU65017U1 (en) | SAILING VESSEL | |
| Dubrovski et al. | Hydrodinamic Aspects of a High-Speed SWATH and New Hull Form | |
| Kim et al. | A Numerical Study on the Effects of Maneuverability of Ship with Low Forward Speed by Increasing Rudder Force |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |