CN103523165B - Speedup cabin water inlet is with the ship of the low water drag of alterable height seal - Google Patents
Speedup cabin water inlet is with the ship of the low water drag of alterable height seal Download PDFInfo
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- CN103523165B CN103523165B CN201310512767.8A CN201310512767A CN103523165B CN 103523165 B CN103523165 B CN 103523165B CN 201310512767 A CN201310512767 A CN 201310512767A CN 103523165 B CN103523165 B CN 103523165B
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- section
- water
- hull bottom
- speedup
- horizontal choke
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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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T70/00—Maritime or waterways transport
- Y02T70/10—Measures concerning design or construction of watercraft hulls
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- Exhaust Silencers (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention discloses a kind of speedup cabin water inlet ship with the low water drag of alterable height seal, including hull and be positioned at the speedup cabin below hull bottom, hull bottom be followed successively by from front to back one by one end to end horizontal choke section, contraction section, enter water section, the section of arching upward and water exit end；The open rearward end in speedup cabin is outlet, and outlet is positioned at the afterbody of hull；The front opening in speedup cabin is water inlet, and the upper end of the water inlet of speedup bulkhead is positioned in the middle part of horizontal choke section；Horizontal choke section, the hull bottom face entering water section and water exit end are parallel to each other；The section of arching upward upwards arches upward, and is provided with two impellers being in same level position and being arranged side by side in the section of arching upward；Two impellers are connected with electric-motor drive respectively.Speedup cabin attenuates from front to back successively, impeller is supplied water more abundant, and faster, front-suction and back-push effect becomes apparent from water flow velocity.And owing to being provided with the section of arching installing impeller, impeller work area is much larger than the sectional area of cavity below water exit end.Therefore, the ship of the present invention has higher travel speed.
Description
The application is divisional application, and the original bill patent No. is: 201110118724.2, the applying date: on April 29th, 2011, denomination of invention is: the ship of a kind of low water drag.
Technical field
The present invention relates to the ship of a kind of low water drag, described ship includes large, medium and small type steamer, submarine, naval vessels and aircraft carrier.
Background technology
Present ship's speed degree is all very slow, is adopting high-power slow-speed of revolution theory always.The problem brought therewith is, improves merely revolution speed of propeller, and ship's speed can not improve.The reason causing this phenomenon has two, and one is that the resistance of water is relatively big, and it is more big to absorb water more deep resistance；Two is air inlet, because ship is to travel between water and air, the natural flow velocity of water has certain limit in certain degree of depth, and when the rotating speed of propeller exceedes certain limit, propeller is available for regard to anhydrous, appearance is cut off the water supply, at this moment air just supplements, and is namely so-called air inlet, and the water of air inlet is white, namely white be bubble, it does not have the water of bubble is colourless.The more high air inlet of rotating speed is more many, and the ratio that in aqueous vapor, water accounts for is more low, and the thrust of generation is more little, then occurs as soon as revolution speed of propeller significantly high, but the phenomenon that ship's speed does not improve further.As long as sealing the entrance of air, this phenomenon will disappear.
The Chinese invention patent that publication number is " CN101012005 " discloses " a kind of ship with accelerator ".It is by installing velocity hooster in hull bottom, and utilizes impeller to increase the flow and flow velocity participating in promoting the water of hull advance, it is achieved that the raising of ship's speed.In order to reduce contact area and the resistance of ship and water, its hull bottom shape is stuck up with horizontal plane for benchmark, in foot, the water surface is left in hull bottom face, front end, ship is when advancing at utmost speed, air-flow is drawn into velocity hooster from this hull bottom face, front end underlying space with water, it is easy to above-mentioned air inlet problem occur, affects the further raising of ship's speed.On the other hand, the water inlet aperture of its velocity hooster front end is approximate with the water outlet caliber size of rear end, and when described impeller high speed draining, output is limited, eventually affects drainage speed, and speedup effect is not ideal enough.
Summary of the invention
It is desirable to provide a kind of speedup cabin water inlet is with the ship of the low water drag of alterable height seal, to overcome the above-mentioned defect undesirable with the ship speedup effect of accelerator, to be solved technical problem is that, first, guarantee not stay airflow space to avoid air inlet all the time in the certain distance of acceleration pipe water inlet front；The second, impeller front inflow is increased considerably to improve the power of front-suction and back-push further.
This invention address that the technical scheme that above-mentioned technical problem adopts is as follows:
Speedup cabin water inlet is with the ship of the low water drag of alterable height seal, including the hull with motor, also include by hull bottom and be positioned at the speedup cabin that the speedup bulkhead below hull bottom surrounds, it is characterised in that: described hull bottom be followed successively by from front to back one by one end to end horizontal choke section, contraction section, enter water section, the section of arching upward and water exit end；The front end of horizontal choke section is positioned at fore position；The open rearward end in speedup cabin is outlet, and this outlet is positioned at the afterbody of hull；The front opening in speedup cabin is water inlet, and the upper end of the water inlet of speedup bulkhead is positioned in the middle part of horizontal choke section；Described horizontal choke section, contraction section, the hull bottom face that enters water section and water exit end are plane；Wherein horizontal choke section, enter water section and water exit end hull bottom face parallel to each other；The described section of arching upward upwards arches upward, and is provided with two impellers being in same level position and being arranged side by side in the section of arching upward；These two impellers are connected with electric-motor drive respectively, and motor-driven impeller rotates.
With the bilge for benchmark, the height of horizontal choke section is h1, and the height entering water section is h2, and the height of the section of arching upward is h3, and the height of water exit end is h4, h1 > h3 > h2 > h4.
Its optimal proportion is: h1:h3:h2:h4=8:4:3:2.
Angle between described horizontal choke section hull bottom face and contraction section hull bottom face is obtuse angle alpha, α=135 °.
The water inlet end face in speedup cabin is parallel with contraction section hull bottom face；Being installed with rear rail on the limit, the left and right sides in described contraction section hull bottom face respectively, described rear rail is consistent with its side trend；The fromer rail paralleled with its dead astern guide rail it is separately installed with in the left and right sides, front end of horizontal choke section；Also include rectangle envelope gas floating plate, four sides of described envelope gas floating plate have been respectively fixedly connected with flexible gas block panel, the top margin of described flexible gas block panel is fixedly mounted on the hull bottom face of horizontal choke section, and the dual-side of described flexible gas block panel is separately fixed on the slide block in described guide rail.
Being provided with telescopic oil cylinder on the hull bottom of horizontal choke section, the lower end of this telescopic oil cylinder is connected with envelope gas floating plate.
The positive effect of the present invention is in that:
Speedup cabin attenuates from front to back successively, impeller is supplied water more abundant, and faster, front-suction and back-push effect becomes apparent from water flow velocity.And owing to being provided with the section of arching installing impeller, impeller work area is much larger than the sectional area of cavity below water exit end.Therefore, the ship of the present invention has higher travel speed.
It addition, be provided with the alterable height surrounded by the hull bottom face of four pieces of flexible gas block panels, envelope gas floating plate and horizontal choke section
Seal, this seal with ship water line change and automatic lifting, it is ensured that do not stay airflow space in the certain distance of water inlet front, speedup cabin all the time, effectively prevent air inlet phenomenon.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention.
Detailed description of the invention
The present invention is further illustrated below in conjunction with drawings and Examples.
As it is shown in figure 1, the present embodiment includes the hull 1 with motor 11, also include by hull bottom and be positioned at the speedup cabin that the speedup bulkhead 10 below hull bottom surrounds.Described speedup cabin only rear and front end opening.The bilge in speedup cabin is in same level height.
Described hull bottom be followed successively by from front to back one by one end to end horizontal choke section 3, contraction section 5, enter water section 6, the section of arching upward 7 and water exit end 8, described each section has identical width, and this width is not less than hull bottom width.Horizontal choke section 3, contraction section 5, the hull bottom face that enters water section 6 and water exit end 8 are plane.The front end of horizontal choke section 3 is positioned at fore position.Wherein horizontal choke section 3, enter water section 6 and water exit end 8 hull bottom face parallel to each other.With the bilge for benchmark, the height of horizontal choke section 3 is h1, and the height entering water section 6 is h2, and the height of the section of arching upward 7 is h3, and the height of water exit end 8 is h4, h1 > h3 > h2 > h4.Preferably h1:h3:h2:h4=8:4:3:2.
The open rearward end in speedup cabin is outlet 9, and this outlet 9 is positioned at the afterbody of hull 1.The front opening in speedup cabin is water inlet 13, and the upper end of the water inlet 13 of speedup bulkhead is positioned in the middle part of horizontal choke section 3.Angle between described horizontal choke section hull bottom face and contraction section hull bottom face is obtuse angle alpha, α=135 °.The water inlet end face in speedup cabin is parallel with contraction section hull bottom face.
The described section of arching upward 7 upwards arches upward, and is provided with two impellers 12 being in same level position and being arranged side by side in the section of arching upward 7.These two impellers 12 are in transmission connection with motor 11 respectively, and motor 11 drives impeller 12 to rotate.
Ship is in the process of moving, water enters from the water inlet 13 that opening is bigger, cavity below contraction section 5, enter back into the cavity below water section 6, become short successively due to water cavity, above procedure water flow velocity is gradually increased, and the water discharged backward through impeller 12 enters into shorter cavity, and the flow velocity of water increases again.
Being installed with a rear rail 4 on the limit, the left and right sides in described contraction section hull bottom face respectively, described rear rail 4 is consistent with its side trend.The fromer rail 15 paralleled with its dead astern guide rail it is separately installed with in the left and right sides, front end of horizontal choke section 3.
Also include rectangle envelope gas floating plate 14, four sides of described envelope gas floating plate 14 have been respectively fixedly connected with one piece of flexible gas block panel 16, the top margin of this flexibility gas block panel 16 is fixedly mounted on the hull bottom face of horizontal choke section 3, and the dual-side of this flexibility gas block panel 16 is separately fixed on the slide block in described guide rail.The hull bottom face of four pieces of flexible gas block panels 16, envelope gas floating plate 14 and horizontal choke section 3 surrounds the sealing space of alterable height.
When ship load, when water line is in higher position, rely on the water buoyancy to envelope gas floating plate 14, flexible gas block panel 16 to
Upper contraction, envelope gas floating plate 14 leans against hull bottom face.When ship is unloaded, when water line is relatively low, envelope gas floating plate 14 relies on deadweight to fall and is attached at the water surface, and flexible gas block panel 16 stretches downwards therewith, and plays the effect stopping air inlet.
Can also installing a telescopic oil cylinder 2 on the hull bottom of horizontal choke section 3, the lower end of this telescopic oil cylinder 2 is connected with envelope gas floating plate 14.The height of the drinking water situation active adjustment envelope gas floating plate 14 according to ship.
Claims (1)
1. speedup cabin water inlet is with the ship of the low water drag of alterable height seal, including the hull (1) with motor (11), also include by hull bottom and be positioned at the speedup cabin that the speedup bulkhead (10) below hull bottom surrounds, it is characterised in that: described hull bottom be followed successively by from front to back one by one end to end horizontal choke section (3), contraction section (5), enter water section (6), the section of arching upward (7) and water exit end (8)；The front end of horizontal choke section (3) is positioned at fore position；The open rearward end in speedup cabin is outlet (9), and this outlet (9) is positioned at the afterbody of hull (1)；The front opening in speedup cabin is water inlet (13), and the upper end of the water inlet (13) of speedup bulkhead is positioned at horizontal choke section (3) middle part；Described horizontal choke section (3), contraction section (5), the hull bottom face that enters water section (6) and water exit end (8) are plane；Wherein horizontal choke section (3), enter water section (6) and water exit end (8) hull bottom face parallel to each other；The described section of arching upward (7) upwards arches upward, and is provided with two impellers (12) being in same level position and being arranged side by side in the section of arching upward (7)；These two impellers (12) are in transmission connection with motor (11) respectively, and motor (11) drives impeller (12) to rotate；The water inlet end face in speedup cabin is parallel with contraction section hull bottom face；Being installed with rear rail (4) on the limit, the left and right sides in described contraction section hull bottom face respectively, described rear rail (4) is consistent with its side trend；It is separately installed with the fromer rail (15) that the rear rail (4) with its dead astern is paralleled in the left and right sides, front end of horizontal choke section (3)；Also include rectangle envelope gas floating plate (14), four sides of described envelope gas floating plate (14) have been respectively fixedly connected with flexible gas block panel (16), the top margin of described flexible gas block panel (16) is fixedly mounted on the hull bottom face of horizontal choke section (3), and the dual-side of described flexible gas block panel (16) is separately fixed on the slide block in described fromer rail (15)；Seal is surrounded by the hull bottom face of four pieces of flexible gas block panels, envelope gas floating plate and horizontal choke section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310512767.8A CN103523165B (en) | 2011-04-29 | 2011-04-29 | Speedup cabin water inlet is with the ship of the low water drag of alterable height seal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310512767.8A CN103523165B (en) | 2011-04-29 | 2011-04-29 | Speedup cabin water inlet is with the ship of the low water drag of alterable height seal |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110118724.2A Division CN102267539B (en) | 2011-04-29 | 2011-04-29 | Ship with low water resistance |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103523165A CN103523165A (en) | 2014-01-22 |
| CN103523165B true CN103523165B (en) | 2016-06-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310512767.8A Expired - Fee Related CN103523165B (en) | 2011-04-29 | 2011-04-29 | Speedup cabin water inlet is with the ship of the low water drag of alterable height seal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103523165B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN85100729A (en) * | 1985-04-01 | 1986-03-10 | 陈谦 | Duct formula hull |
| CN1250732A (en) * | 1998-10-09 | 2000-04-19 | 邓建军 | Water spray type propeller for ship |
| CN2608418Y (en) * | 2003-01-24 | 2004-03-31 | 额尔登达来 | Propeller for ship and submarine |
| CN101012005A (en) * | 2007-01-19 | 2007-08-08 | 修忠元 | Ship with accelerator |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3500590B2 (en) * | 1995-05-18 | 2004-02-23 | 幸雄 大田 | Propulsion device for two-way sailing ship |
-
2011
- 2011-04-29 CN CN201310512767.8A patent/CN103523165B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN85100729A (en) * | 1985-04-01 | 1986-03-10 | 陈谦 | Duct formula hull |
| CN1250732A (en) * | 1998-10-09 | 2000-04-19 | 邓建军 | Water spray type propeller for ship |
| CN2608418Y (en) * | 2003-01-24 | 2004-03-31 | 额尔登达来 | Propeller for ship and submarine |
| CN101012005A (en) * | 2007-01-19 | 2007-08-08 | 修忠元 | Ship with accelerator |
Non-Patent Citations (1)
| Title |
|---|
| 关于Air cavity craft的研究及关键技术分析;张大有;《武汉造船》;19971025(第5期);21-25 * |
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| CN103523165A (en) | 2014-01-22 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| CB03 | Change of inventor or designer information |
Inventor after: Xu Caizhong Inventor before: Che Peicai |
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| TA01 | Transfer of patent application right |
Effective date of registration: 20160516 Address after: 264200 Shandong city of Weihai province by the district Gushan Town Applicant after: Weihai Sanjin Shipbuilding Industries Co., Ltd. Address before: Zhifu District of Shandong city of Yantai Province Yu 264000 West Road, room 211 No. 17-6 Applicant before: Che Peicai |
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Granted publication date: 20160629 Termination date: 20210429 |
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| CF01 | Termination of patent right due to non-payment of annual fee |