CN203268305U - Ship-used energy-saving propeller - Google Patents
Ship-used energy-saving propeller Download PDFInfo
- Publication number
- CN203268305U CN203268305U CN 201320242879 CN201320242879U CN203268305U CN 203268305 U CN203268305 U CN 203268305U CN 201320242879 CN201320242879 CN 201320242879 CN 201320242879 U CN201320242879 U CN 201320242879U CN 203268305 U CN203268305 U CN 203268305U
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- CN
- China
- Prior art keywords
- propeller
- blade
- screw propeller
- transmission shaft
- fixed cover
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Abstract
A ship-used energy-saving propeller comprises a transmission shaft, a mounting beam, a protective guard, a propeller hub, water inlets, clamps, a fixing sleeve, blades and communication holes, wherein the protective guard adopts a round platform-shaped structure and is connected with the clamps via the mounting beam; the clamps are welded on the periphery of the fixing sleeve; the transmission shaft is sleeved with the fixing sleeve and is in clearance fit with the fixing sleeve, and besides, the fixing sleeve is mounted on a ship body during mounting the propeller; the propeller hub is located at the tail end of the transmission shaft; four blades are mounted on the periphery of the propeller; three communicating holes are formed in the propeller hub; the water inlets are formed in the periphery of the front end of the propeller hub; high-pressure water at the front end of the propeller hub flows through a rear end lower-pressure region via the communication holes, thereby basically balancing water pressure. Therefore, the ship-used energy-saving propeller solves the problems that the conventional propeller is low in working efficiency, a pressure difference between the front part and the rear part of the propeller hub is caused during the working of the propeller, and the blades are impacted by a transverse water flow.
Description
Technical field
The utility model relates to a kind of energy-saving screw propeller peculiar to vessel, belongs to the shipping propelling equipment field.
Background technology
Screw propeller is the power resources device that boats and ships advance.Boats and ships are when navigation, and the route speed of boats and ships is all inseparable with factors such as stormy waves size, charge capacity, friction drag, boats and ships underwater steel construction shape and surface finishes, are difficult to change but these factors are all the nature existence.Find through long-term test, boats and ships are when navigation, the zone of slurry hub back can produce a meiobar under screw propeller rotates, form an obvious difference of pressure between the higher-pressure region of it and screw propeller slurry hub front, the form resistance that is subject to when the difference of this difference of pressure and ship's navigation is proportional, this difference is larger, and the effective power of screw propeller is just lower; The while screw propeller often is subject to lateral current when work impact reduces its work efficiency, and the work efficiency of propeller is directly connected to shipping sail speed and energy utilization rate.Existing various energy-saving screw propeller for ship are substantially all carrying out improvement and design on blade construction, material and on propeller speed at present, although can reduce degradation of energy, improve to a certain extent the screw propeller work efficiency, but the problems such as the difference of pressure that exists when fundamentally not solving screw propeller and rotating and lateral current impact.In order to respond national energy savings policy, save the navigation cost, improve route speed and save duration of voyage, therefore need exploitation aly can improve the screw propeller work efficiency, can promote the energy-saving screw propeller that boats and ships travel safely and fast again.
Summary of the invention
The purpose of this utility model is to provide a kind of energy-saving screw propeller peculiar to vessel.
When being existing marine propeller rotation, problem to be solved in the utility model exist difference of pressure and blade to be subject to the lateral current shock problem before and after the slurry hub.
for realizing the purpose of this utility model, the technical solution adopted in the utility model is: energy-saving screw propeller peculiar to vessel, comprise transmission shaft, mounting rail, guard shield, the slurry hub, the inlet opening, something that gives the game away, fixed cover, blade and intercommunicating pore, guard shield is the truncated cone-shaped structure, guard shield is connected with something that gives the game away by mounting rail, something that gives the game away is welded on the fixed cover surrounding, guard shield is peripheral at fixed cover, fixed cover is enclosed within on transmission shaft and becomes free-running fit with transmission shaft, fixed cover is fixed on hull when screw propeller is installed, the transmission shaft tail end has the slurry hub, slurry hub surrounding is equipped with blade, the slurry hub is provided with at least one intercommunicating pore, slurry hub front end surrounding is provided with the inlet opening, thereby entering the rear end meiobar by intercommunicating pore, slurry hub front end high water make hydraulic pressure in a basic balance.
Guard shield is the SUS316 material; The slurry hub is titanium alloy material; The aperture of intercommunicating pore rear end is greater than the front end aperture, and intercommunicating pore has 3; Blade is carbon fiber CFRP composite material, and blade has four, and the blade root width of blade and thickness are greater than width and the thickness of blade tip.
the utility model has the advantages that: the design of tubaeform intercommunicating pore on titanium alloy slurry hub, thereby slurry hub front end high water enters the rear end meiobar by intercommunicating pore and makes hydraulic pressure in a basic balance when screw propeller is worked, not only dissolved the problem of difference of pressure, can also utilize the water that flows out by intercommunicating pore and straight line steeping in water for reconstitution to give birth to collision forms and assists a ruler in governing a country strength and act on the angular plane surface of blade, further improve the screw propeller work efficiency, the structure design of four blade uniquenesses and carbon fiber CFRP composite material select the propelling effect of having given full play to screw propeller, effectively promoting the ship tractive performance to reach the best increases the service life, but also it is less that ship is vibrated under sail, noise is less, when the design of guard shield truncated cone-shaped structure has greatly reduced navigation, lateral current plays a protective role to the impact of blade and to the trouble free service of blade, effectively improved the work efficiency of screw propeller, service life and use safety.
Description of drawings
Fig. 1 is the utility model energy-saving screw propeller integral outer constructional drawing peculiar to vessel;
Fig. 2 is constructional drawing after the utility model energy-saving screw propeller removal guard shield peculiar to vessel;
In figure: 1, transmission shaft 2, mounting rail 3, guard shield 4, slurry hub 5, inlet opening 6, something that gives the game away 7, fixed cover 8, blade 9, intercommunicating pore.
The specific embodiment
Below in conjunction with drawings and Examples, the utility model is further described.
the utility model energy-saving screw propeller peculiar to vessel, comprise transmission shaft 1, mounting rail 2, guard shield 3, slurry hub 4, inlet opening 5, something that gives the game away 6, fixed cover 7, blade 8 and intercommunicating pore 9, guard shield 3 is truncated cone-shaped SUS316 stainless steel structure, when guard shield 3 has greatly reduced navigation, lateral current plays a protective role to the impact of blade 8 and to the trouble free service of blade 8, guard shield 3 is connected with something that gives the game away 6 by mounting rail 2, something that gives the game away 6 is welded on fixed cover 7 surroundings, guard shield 3 is in fixed cover 7 peripheries, fixed cover 7 is enclosed within on transmission shaft 1 and 1 one-tenth free-running fit of transmission shaft, fixed cover 7 is fixed on when screw propeller is installed guard shield 3 Stability Analysis of Structures in the navigation process is not rocked, transmission shaft 1 tail end has the slurry hub 4 of titanium alloy material, the blade 8 of four carbon fiber CFRP materials is housed on slurry hub 4 circumference, the blade root width of blade 8 and thickness are greater than width and the thickness of blade tip, the propelling effect of screw propeller has been given full play in the design of blade 8 quantity and structure, effectively promoting the ship tractive performance to reach the best increases the service life, but also it is less that ship is vibrated under sail, noise is less, slurry hub 4 is provided with aperture, 3 rear ends greater than the flaring intercommunicating pore 9 in front end aperture, slurry hub 4 front end surroundings are provided with inlet opening 5, thereby slurry hub 4 front end high water enter the rear end meiobar by intercommunicating pore 9 and make hydraulic pressure raising screw propeller in a basic balance work efficiency when screw propeller is worked, can also utilize simultaneously the water that flows out by intercommunicating pore 9 and straight line steeping in water for reconstitution to give birth to collision formation assists a ruler in governing a country strength and acts on the angular plane surface of blade 8 and further improve the screw propeller work efficiency.
the utility model using method, with the transmission shaft 1 on screw propeller and main frame correctly be connected install after, manually can blade 8 check and normally rotate and reverse, whether can occur stuck, the strange phenomenies such as noise, control the velocity of rotation of propeller blade 8 under hull after water in centralized-control main unit load amount, propulsion of vessels motion when blade 8 rotates, hydraulic pressure kept in balance before and after the difference of pressure that when blade 8 rotates, slurry hub 4 front and back form makes by tubaeform intercommunicating pore 9, ship guard shield 3 in the navigation process has effectively reduced lateral current and has played a protective role to the impact of blade 8 and to the trouble free service of blade 8, therefore the utlity model has the advantages such as high efficiency, long service life and use safety.
Claims (5)
1. energy-saving screw propeller peculiar to vessel, comprise transmission shaft (1), mounting rail (2), guard shield (3), slurry hub (4), inlet opening (5), something that gives the game away (6), fixed cover (7), blade (8) and intercommunicating pore (9), it is characterized in that: described guard shield (3) is the truncated cone-shaped structure, guard shield (3) is connected with something that gives the game away (6) by mounting rail (2), something that gives the game away (6) is welded on fixed cover (7) surrounding, guard shield (3) is in fixed cover (7) periphery, fixed cover (7) is enclosed within on transmission shaft (1), fixed cover (7) becomes free-running fit with transmission shaft (1), fixed cover (7) is fixed on hull when screw propeller is installed, transmission shaft (1) tail end has slurry hub (4), slurry hub (4) surrounding is equipped with blade (8), slurry hub (4) is provided with at least one intercommunicating pore (9), slurry hub (4) front end surrounding is provided with inlet opening (5), slurry hub (4) front end high water enters the rear end meiobar by intercommunicating pore (9).
2. energy-saving screw propeller peculiar to vessel according to claim 1, it is characterized in that: described guard shield (3) is the SUS316 material.
3. energy-saving screw propeller peculiar to vessel according to claim 1, it is characterized in that: described slurry hub (4) is titanium alloy material.
4. energy-saving screw propeller peculiar to vessel according to claim 1 is characterized in that: the aperture of described intercommunicating pore (9) rear end is greater than the front end aperture, and intercommunicating pore (9) has 3.
5. energy-saving screw propeller peculiar to vessel according to claim 1, it is characterized in that: described blade (8) is carbon fiber CFRP composite material, and blade (8) has four, and the blade root width of blade (8) and thickness are greater than width and the thickness of blade tip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320242879 CN203268305U (en) | 2013-05-08 | 2013-05-08 | Ship-used energy-saving propeller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320242879 CN203268305U (en) | 2013-05-08 | 2013-05-08 | Ship-used energy-saving propeller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203268305U true CN203268305U (en) | 2013-11-06 |
Family
ID=49498763
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320242879 Expired - Fee Related CN203268305U (en) | 2013-05-08 | 2013-05-08 | Ship-used energy-saving propeller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203268305U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105109653A (en) * | 2015-08-03 | 2015-12-02 | 苏州金业船用机械厂 | Novel guide-pipe-type propeller |
| CN107472491A (en) * | 2017-08-07 | 2017-12-15 | 西安工业大学 | A kind of underwater robot propulsion assembly |
-
2013
- 2013-05-08 CN CN 201320242879 patent/CN203268305U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105109653A (en) * | 2015-08-03 | 2015-12-02 | 苏州金业船用机械厂 | Novel guide-pipe-type propeller |
| CN107472491A (en) * | 2017-08-07 | 2017-12-15 | 西安工业大学 | A kind of underwater robot propulsion assembly |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131106 Termination date: 20160508 |