CN204956846U - Fairing is sprayed in hull navigation of imitative fish -mouth form - Google Patents
Fairing is sprayed in hull navigation of imitative fish -mouth form Download PDFInfo
- Publication number
- CN204956846U CN204956846U CN201520717381.5U CN201520717381U CN204956846U CN 204956846 U CN204956846 U CN 204956846U CN 201520717381 U CN201520717381 U CN 201520717381U CN 204956846 U CN204956846 U CN 204956846U
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- hull
- water body
- fairing
- sprayed
- water
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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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Abstract
The utility model relates to a fairing is sprayed in hull navigation of imitative fish -mouth form, including streamlined casing, there is the installation roof at the top of streamlined casing, and the sunction inlet is seted up to the front end of streamlined casing, and there is the installation backplate rear end of streamlined casing, be equipped with filter unit in the sunction inlet, be equipped with the suction screw between filter unit and installation backplate, inhale the screw and pass through drive unit and install the backplate to be connected, drive unit is connected with the smooth subassembly of dividing of chevron shape, is provided with two waters on the streamlined casing that the smooth subassembly of dividing of chevron shape corresponds and sprays units, is provided with two injection controllers on the installation backplate, and every sprays controller and connects a water and spray the unit. The utility model discloses a hull navigation is sprayed the fairing utilization and is inhaleed bow resistance fluidic method and reduce the ship resistance that water pressure caused to the bow, forms the drag reduction vortex with the method of outside water jet in hull both sides and reduces hull and rivers relative slip speed within a definite time, effectively alleviates the ship resistance of hull.
Description
Technical field
The utility model belongs to ship structure and navigation fairing technical field, and fairing is sprayed in the hull navigation being specifically related to a kind of imitative fish mouth shape.
Background technology
For many years, people are making great efforts to seek all kinds of hull navigation drag reduction technology always, so that can improve the route speed of boats and ships and reduce the power navigating by water and consume.
From the angle analysis of prior art, widely used is highly faired hull, significantly reduces the navigation power-assisted of boats and ships in water by clean lines physical efficiency; In addition, a kind of technology being applied to ship's navigation drag reduction is in addition: the area of contact reducing hull and water, be used in the method that hull outside face produces or adsorbs bubble, the contact of hull and water is separated by bubble, also the air film of certain area can be formed alow, utilize air film to separate the contact of hull bottom and water, thus reduce running resistance.
Enter in recent years, how researchers constantly study to ship's navigation drag reduction, and having found following several technology under study for action: the coarse skin of (1) shark has obvious drag-reduction effect, has made the anti-sharkskin navigation draft reduction material of band convex ridge and chase after deliberation; (2) the whippy skin of dolphin has obvious drag-reduction effect, has made the high resiliency Artificial dolphin leather navigation draft reduction material complying with water flow variation after deliberation; (3) pit on aerolite surface effectively can reduce the air resistance of aerolite in dropping process, has made the navigation draft reduction material of surface distribution pit after deliberation.
According to existing achievement in research, various countries drop into huge fund one after another and study navigation drag reduction technology, the annual navigation drag reduction structures that all can be born new, create huge economic benefit, and facilitate the development of related industry, so be necessary in-depth study navigation drag reduction technology, to producing valuable navigation drag reduction structures or device.
Utility model content
The purpose of this utility model is that fairing is sprayed in the hull navigation providing a kind of imitative fish mouth shape, fairing design adult fish mouth shape is sprayed in whole hull navigation, ship stem can be installed on, utilize the running resistance that the method reduction hydraulic pressure sucking bow resistance fluid causes bow; To form drag reduction eddy current in hull both sides by the method for outside jet water course and reduce relative sliding velocity between hull and current, effectively to alleviate the running resistance of hull.
The technical scheme that the utility model adopts is, a fairing is sprayed in the hull navigation of imitative fish mouth shape, and include streamlined shell, the top of streamlined shell is provided with installation top board, the front end of streamlined shell offers sucking hole, and the rear end of streamlined shell is provided with installation backboard; Filter element is provided with in sucking hole; Filter element in streamlined shell and install between backboard and be provided with suction screw propeller, suck screw propeller by driver element with backboard be installed be connected; Driver element is also connected with chevron pointing smooth point of water assembly, on the streamlined shell that chevron pointing smooth point of water assembly is corresponding, symmetry is provided with two water body injection units, install on backboard and be also provided with two injection controllers, each injection controller connects a water body injection unit.
Feature of the present utility model is also:
Sucking hole is rounded.
Filter element adopts suction filtering net peculiar to vessel.
Driver element, includes the CD-ROM drive motor being arranged at and installing backboard central authorities, and CD-ROM drive motor is connected with suction screw propeller by axle drive shaft, and middle part and chevron pointing smooth point of water assembly of axle drive shaft is connected.
Chevron pointing smooth point of water assembly, includes the backup bearing be connected with axle drive shaft, and backup bearing is connected with two arcs and divides water plate, forms chevron pointing; Every block arc divides on the corresponding streamlined shell of water plate and arranges a water body injection unit.
Each water body injection unit, includes adjustable aperture formula water body injection orifice, and adjustable aperture formula water body injection orifice is strip; Adjustable aperture formula water body injection orifice is connected with injection orifice control cock, and injection orifice control cock is connected with injection controller.
The beneficial effects of the utility model are,
(1) fairing is sprayed in the hull navigation of imitative fish mouth shape of the present utility model, adopts CD-ROM drive motor to coordinate sucking hole initiatively to suck the resistance water body in bow front; Compare with common cutwater, bow water body can not form high pressure running resistance district because of pressurized, the high-velocity flow that bow water body also can not be formed relative to hull because of point water, and the hull running resistance that this high-velocity flow causes; More can not there is the constant impingement with bow because of point water in bow water body, sucking hole is equivalent to a huge suction pipe, can be removed in time by the resistance water body in bow front in time, and therefore the running resistance of bow is effectively reduced.
(2) fairing is sprayed in the hull navigation of imitative fish mouth shape of the present utility model, after pressurization, high-speed water jets is formed from the method for both sides ejection by sucking water body, because boats and ships are when navigating by water, relative motion is there is between hull both sides and water body, very large fluid viscosity friction drag can be formed, this resistance and route speed and area of contact closely related, high-speed water jets can form drag reduction eddy current in hull both sides, effective reduction shell and the relative velocity contacted between water body, thus alleviate the running resistance of current to hull, there is good navigation drag reduction capability.
(3) fairing is sprayed in the hull navigation of imitative fish mouth shape of the present utility model, take the quick steering manipulating ship by the method for side direction water spray, change ship course with manipulation propeller with yaw rudder to compare, close the water body injection orifice of hull side, the water body increasing hull opposite side sprays, be equivalent to set up a horizontal CD-ROM drive motor on the bow, coordinate the power driven of stern just can realize the quick steering of ship, the manoevreability of effective enhancing ship in water and alerting ability, and the water body regulating and controlling hull both sides sprays, be equivalent to for hull respectively adds a fluid support in both sides, this convection cell supports can effectively reduce swinging of ship, make boats and ships can in stormy waves more pulsation-free travel, prevent boats and ships from rolling for a long time is the key factor that puzzlement boats and ships stationarity designs always, but the stationarity that water body effectively can strengthen ship's navigation is sprayed in hull both sides.
Accompanying drawing explanation
Fig. 1 is the front view of the hull navigation injection fairing of a kind of imitative fish mouth shape of the utility model;
Fig. 2 is the structural representation of the hull navigation injection fairing of a kind of imitative fish mouth shape of the utility model.
In figure, 1. streamlined shell, 2. suction filtering net peculiar to vessel, 3. suck screw propeller, 4. chevron pointing smooth point of water assembly, 5. backboard is installed, 6. backup bearing, 7. axle drive shaft, 8. CD-ROM drive motor, 9. injection controller, 10. injection orifice control cock, 11. adjustable aperture formula water body injection orifices, 12. install top board, 13. sucking holes.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the utility model is described in detail.
Fairing is sprayed in the hull navigation of a kind of imitative fish mouth shape of the utility model, its structure as depicted in figs. 1 and 2, include streamlined shell 1, the top of streamlined shell 1 is provided with installs top board 12, the front end of streamlined shell 1 offers sucking hole 13, and the rear end of streamlined shell 1 is provided with installs backboard 5; Be provided with filter element in sucking hole 13, the filter element in streamlined shell 1 and install to be provided with between backboard 5 and sucks screw propeller 3, suck screw propeller 3 by driver element with backboard 5 be installed be connected; Driver element is also connected with chevron pointing smooth point of water assembly 4, on the streamlined shell 1 of chevron pointing smooth point of water assembly 4 correspondence, symmetry is provided with two water body injection units, install on backboard 5 and be also provided with two injection controllers 9, each injection controller 9 connects a water body injection unit.
Streamlined shell 1 one end circle, other end point, smooth surface, forms the shape of fish mouth.
Sucking hole 13 is rounded.
Filter element adopts suction filtering net 2 peculiar to vessel.
Driver element, includes the CD-ROM drive motor 8 being arranged at and installing backboard 5 central authorities, and CD-ROM drive motor 8 is connected with suction screw propeller 3 by axle drive shaft 7, and middle part and chevron pointing smooth point of water assembly 4 of axle drive shaft 7 is connected.
Chevron pointing smooth point of water assembly 4, includes the backup bearing 6 be connected with axle drive shaft 7, and backup bearing 6 is connected with two arcs and divides water plate, forms chevron pointing; Every block arc divides on the corresponding streamlined shell 1 of water plate and arranges a water body injection unit.
Each water body injection unit, includes adjustable aperture formula water body injection orifice 11, and adjustable aperture formula water body injection orifice 11 is in strip; Adjustable aperture formula water body injection orifice 11 connects injection orifice control cock 10, and injection orifice control cock 10 is connected with injection controller 9.
The hull navigation of a kind of imitative fish mouth shape of the utility model sprays fairing structurally, utilize streamlined shell 1, top board 12 is installed and backboard 5 is installed and form whole agent structure, whole agent structure is similar to fish mouth shape, whole fish mouth shape hull navigation injection fairing can be arranged on ship stem by installing top board 12 and installing backboard 5; In agent structure, the inner space of streamlined shell 1 can be divided into two large regions by chevron pointing smooth point of water assembly 4, is respectively: parts installing zone and water body suction-inlet zone; In parts installing zone, two injection controllers 9 and a CD-ROM drive motor 8 are installed, in order to control water body emitted dose, for the adjustable aperture formula water body injection orifice 11 in water body injection unit is equipped with injection controller 9 and injection orifice control cock 10; In water body suction-inlet zone, suction filtering net 2 peculiar to vessel is utilized to filter out impurity in water, comparatively clean water body is under the rotary action sucking screw propeller 3, achieve the acceleration process to water body, water body after acceleration flows along chevron pointing smooth point of water assembly 4, divide water plate to realize shunting to water body by two arcs in chevron pointing smooth point of water assembly 4, and flowed out by water body injection unit.
Water body can spray by the adjustable aperture formula water body injection orifice 11 in water body injection unit, in order to regulate ejection water body amount, for adjustable aperture formula water body injection orifice 11 has arranged injection orifice control cock 10 and injection controller 9, injection controller 9 for regulating connected injection orifice control cock 10, thus makes injection orifice control cock 10 regulate the opening size of adjustable aperture formula water body injection orifice 11; When injection orifice control cock 10 is closed, adjustable aperture formula water body injection orifice 11 is closed completely; When injection orifice control cock 10 is opened completely, the opening of adjustable aperture formula water body injection orifice 11 is in maximum rating.(in water body injection unit, adjustable aperture formula water body injection orifice 11 is in strip, and injection orifice control cock 10 is equivalent to control cock, can control water body spray volume.)
The working process of the hull navigation injection fairing of a kind of imitative fish mouth shape of the utility model is as follows:
Fairing is sprayed in the navigation of the hull of imitative fish mouth shape install and ship stem, fairing is sprayed in the hull navigation starting imitative fish mouth shape, water body enters in streamlined shell 1 from sucking hole 13, first filters out the foreign material in water body through suction filtering net 2 peculiar to vessel, forms comparatively clean water body; Water body after removal of impurities is driven acceleration while suction screw propeller 3 rotates; Through chevron pointing smooth point of water assembly 4, water body is shunted, under the effect of two injection controllers 9, the adjustable aperture formula water body injection orifice 11 that water body is arranged from streamlined shell 1 is sprayed.
Fairing is sprayed in the hull navigation of a kind of imitative fish mouth shape of the utility model, fairing is sprayed in the navigation of the hull of whole imitative fish mouth shape and is arranged on ship stem, the running resistance utilizing the method sucking bow resistance fluid to reduce hydraulic pressure to cause bow, to form drag reduction eddy current in hull both sides by the method for outside jet water course and reduce relative sliding velocity between hull and current, effectively to alleviate the running resistance of hull.
Claims (6)
1. fairing is sprayed in the hull navigation of an imitative fish mouth shape, it is characterized in that, include streamlined shell (1), the top of streamlined shell (1) is provided with installs top board (12), the front end of described streamlined shell (1) offers sucking hole (13), and the rear end of described streamlined shell (1) is provided with installs backboard (5); Described sucking hole is provided with filter element in (13);
Filter element in described streamlined shell (1) and install to be provided with between backboard (5) and sucks screw propeller (3), described suction screw propeller (3) by driver element with backboard (5) be installed be connected;
Described driver element is also connected with chevron pointing smooth point of water assembly (4), on the streamlined shell (1) that described chevron pointing smooth point of water assembly (4) is corresponding, symmetry is provided with two water body injection units, described installation backboard (5) is also provided with two injection controllers (9), each described injection controller (9) connects a water body injection unit.
2. fairing is sprayed in the hull navigation of a kind of imitative fish mouth shape according to claim 1, and it is characterized in that, described sucking hole (13) is rounded.
3. fairing is sprayed in the hull navigation of a kind of imitative fish mouth shape according to claim 1, and it is characterized in that, described filter element adopts suction filtering net (2) peculiar to vessel.
4. fairing is sprayed in the hull navigation of a kind of imitative fish mouth shape according to claim 1, it is characterized in that, described driver element, include the CD-ROM drive motor (8) being arranged at and installing backboard (5) central authorities, described CD-ROM drive motor (8) is connected with suction screw propeller (3) by axle drive shaft (7), and middle part and described chevron pointing smooth point of water assembly (4) of described axle drive shaft (7) is connected.
5. spray fairing according to the hull navigation of a kind of imitative fish mouth shape of claim 1 or 4, it is characterized in that, described chevron pointing smooth point of water assembly (4), include the backup bearing (6) be connected with axle drive shaft (7), described backup bearing (6) is connected with two arcs and divides water plate, forms chevron pointing;
Arc described in every block divides on the corresponding streamlined shell (1) of water plate and arranges a water body injection unit.
6. fairing is sprayed in the hull navigation of a kind of imitative fish mouth shape according to claim 5, it is characterized in that, each described water body injection unit, includes adjustable aperture formula water body injection orifice (11), and described adjustable aperture formula water body injection orifice (11) is in strip;
Described adjustable aperture formula water body injection orifice (11) is connected with injection orifice control cock (10), and described injection orifice control cock (10) is connected with injection controller (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520717381.5U CN204956846U (en) | 2015-09-16 | 2015-09-16 | Fairing is sprayed in hull navigation of imitative fish -mouth form |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520717381.5U CN204956846U (en) | 2015-09-16 | 2015-09-16 | Fairing is sprayed in hull navigation of imitative fish -mouth form |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204956846U true CN204956846U (en) | 2016-01-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520717381.5U Expired - Fee Related CN204956846U (en) | 2015-09-16 | 2015-09-16 | Fairing is sprayed in hull navigation of imitative fish -mouth form |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204956846U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110040213A (en) * | 2019-04-15 | 2019-07-23 | 深圳市山年科技有限公司 | A kind of divided fluid stream resistance absorber |
-
2015
- 2015-09-16 CN CN201520717381.5U patent/CN204956846U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110040213A (en) * | 2019-04-15 | 2019-07-23 | 深圳市山年科技有限公司 | A kind of divided fluid stream resistance absorber |
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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: 20160113 Termination date: 20160916 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |