CN113212718A

CN113212718A - Energy-saving stator for ship

Info

Publication number: CN113212718A
Application number: CN202110393923.8A
Authority: CN
Inventors: 陈骞; 李嘉宁; 刘刚; 郭世玺; 吴思莹
Original assignee: Shanghai Waigaoqiao Shipbuilding Co Ltd
Current assignee: Shanghai Waigaoqiao Shipbuilding Co Ltd
Priority date: 2021-04-13
Filing date: 2021-04-13
Publication date: 2021-08-06

Abstract

The invention discloses a marine energy-saving stator which comprises an X shaft, wherein a propeller is arranged on the outer side of the X shaft, a pulp disk surface is arranged on one side of the propeller, a movable block is arranged on one side of the pulp disk surface, a movable hook is arranged on one side of the movable block, a first blade is arranged on one side of the movable hook, a second blade is arranged on one side of the first blade, and a third blade is arranged on one side of the second blade. The energy-saving stator for the ship can improve the efficiency of the propeller within the full navigational speed range, achieves the purposes of energy conservation and emission reduction, and is beneficial to improving the problem of vibration noise, and the energy-saving effect is improved by 20% -80% compared with the traditional stator through CFD simulation and ship model water tank tests. When using three schemes, can additionally save construction cost, in order to improve propulsion efficiency, consider hull afterbody line type, through arranging the blade in front of the screw, the blade is rationally arranged in whole screw rotation range, arranges the blade respectively in the first quadrant, fourth quadrant, third quadrant in front of the oar dish face.

Description

Energy-saving stator for ship

Technical Field

The invention relates to the technical field of ship correlation, in particular to a ship energy-saving stator.

Background

In the shipping industry, the fuel cost is one of main operation costs, energy conservation and environmental protection are commonly concerned topics in the shipping industry, the importance is increased under the EEDI background, an energy-saving stator is installed at the tail of a ship body and in front of a propeller, the matching of the propeller is improved, the propulsion efficiency is improved, and the purposes of energy conservation and emission reduction are achieved.

However, in order to improve the propulsion efficiency, the currently used energy-saving stator considers the tail line type of the ship body, the blades are arranged in front of the propeller and are reasonably arranged in the whole propeller rotation range, the blades are respectively arranged in the first quadrant, the fourth quadrant and the third quadrant in front of the propeller disk surface, and the CFD simulation and optimization algorithm is combined, so that the propeller generates larger force and needs smaller torque, and the comprehensive efficiency of the ship body and the propeller is improved.

Disclosure of Invention

The invention aims to provide a marine energy-saving stator, which aims to solve the problem that the prior energy-saving stator proposed in the background technology considers the tail line type of a ship body, blades are arranged in front of a propeller in a reasonable arrangement mode in the whole propeller rotation range, the blades are arranged in a first quadrant, a fourth quadrant and a third quadrant in front of a propeller disc respectively, and CFD simulation and optimization algorithms are combined, so that the propeller generates larger force and needs smaller torque, and the comprehensive efficiency of the ship body and the propeller is improved.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a marine energy-conserving stator, includes the X axle, the X axle outside is provided with the screw, and screw one side is provided with the thick liquid quotation, thick liquid quotation one side is provided with the movable block, and is provided with the movable hook on one side of the movable block, movable hook one side is provided with first blade, and is provided with the second blade on one side of the first blade, second blade one side is provided with the third blade, and is provided with the stator on one side of the third blade, and stator one side is provided with installation mechanism simultaneously, X axle one side is provided with the Z axle, and Z axle one side is provided with the Y axle.

Preferably, the stator includes stator core, stator winding and base, stator core sets up in X axle one side, the stator winding has been twined in the stator core outside, stator winding one side is provided with the base.

Preferably, the first blades are movably connected with the movable hook through the movable block and distributed within a range of 360 degrees in the direction around the X axis, and meanwhile, each blade rotates for a certain angle around the axis of the blade.

Preferably, the installation mechanism comprises a clamping groove, a clamping block and a ship body, the clamping groove is formed in one side of the X shaft, the clamping block is arranged on the inner side of the clamping groove, and the ship body is arranged on one side of the clamping block.

Preferably, the first blade, the second blade and the third blade are respectively arranged in quadrants of the upper right corner, the lower right corner and the lower left corner, and the first blade is arranged above the right side, has an angle of 35 degrees with the Z axis, and rotates 17.5 degrees around the self axis.

Preferably, the second blade is at the lower right, has an angle of 130 degrees with the Z-axis, and rotates 27.5 degrees around its own axis.

Preferably, the third blade is arranged at the lower left, has an angle of 250 degrees with the Z axis and rotates 10 degrees around the self axis.

Compared with the prior art, the invention has the beneficial effects that:

1. the energy-saving stator for the ship can improve the efficiency of the propeller within the full navigational speed range, achieves the purposes of energy conservation and emission reduction, and is beneficial to improving the problem of vibration noise, and the energy-saving effect is improved by 20% -80% compared with the traditional stator through CFD simulation and ship model water tank tests. When the three-piece scheme is used, additional construction cost can be saved;

2. according to the marine energy-saving stator, in order to improve the propelling efficiency, the tail line type of a ship body is considered, blades are arranged in front of a propeller and reasonably arranged in the whole propeller rotation range, the blades are arranged in a first quadrant, a fourth quadrant and a third quadrant in front of a propeller disc surface respectively, and the CFD simulation and optimization algorithm is combined, so that the propeller generates larger force and needs smaller torque, and the comprehensive efficiency of the ship body and the propeller is improved;

3. this energy-conserving stator of marine designs the stator blade of a certain amount in screw the place ahead, is three like this scheme, is not necessarily three, can be 3 to 8, and every blade is formed by special section form is tensile, and the root links to each other with the hull, can improve its work efficiency greatly.

Drawings

FIG. 1 is a side cross-sectional structural view of the present invention;

FIG. 2 is a schematic view of a first blade rotating about its own axis according to the present invention;

fig. 3 is a schematic diagram of the distribution structure of three blades of the present invention.

In the figure: 1. an X axis; 2. a propeller; 3. a pulp disk surface; 4. a movable block; 5. a movable hook; 6. a first blade; 7. a second blade; 8. a third blade; 9. a stator; 901. a stator core; 902. a stator winding; 903. a base; 10. an installation mechanism; 1001. a card slot; 1002. a clamping block; 1003. a hull; 11. a Z axis; 12. and the Y axis.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a marine energy-conserving stator, including X axle 1, the 1 outside of X axle is provided with

screw

2, and 2 one side of screw is provided with thick

liquid quotation

3, 3 one side of thick liquid quotation is provided with

movable block

4, and 4 one sides of movable block are provided with

movable hook

5, 5 one sides of movable hook are provided with

first blade

6, and 6 one sides of first blade are provided with

second blade

7, 7 one side of second blade is provided with

third blade

8, and 8 one sides of third blade are provided with

stator

9, 9 one side of stator is provided with installation mechanism 10 simultaneously, 1 one side of X axle is provided with

Z axle

11, and 11 one side of Z axle is provided with Y axle 12.

Further, the stator 9 includes a stator core 901, a stator winding 902 and a base 903, the stator core 901 is disposed on one side of the X axis 1, the stator winding 902 is wound outside the stator core 901, the base 903 is disposed on one side of the stator winding 902, and by providing the stator 9, the stator core 901, the stator winding 902 and the base 903, the comprehensive efficiency of the ship body 1003 and the propeller 2 can be improved.

Further, first blade 6 passes through

movable block

4 and 5 swing joint of movable hook, and on 1 direction around the X axle, 360 degrees within ranges distribute, and every blade is rotatory certain angle around self axis simultaneously, through being provided with first blade 6, movable block 4 and movable hook 5, can conveniently play the effect of dismantling the installation to first blade 6.

Further, the installation mechanism 10 comprises a clamping groove 1001, a clamping block 1002 and a ship body 1003, the clamping groove 1001 is formed in one side of the X axis 1, the clamping block 1002 is arranged on the inner side of the clamping groove 1001, the clamping block 1002 is arranged on one side of the clamping block 1002, the ship body 1003 is arranged on one side of the clamping block 1002, and the stator 9 can be conveniently installed and fixed by the arrangement of the installation mechanism 10, the clamping groove 1001, the clamping block 1002 and the ship body 1003.

Further, first blade 6, second blade 7 and third blade 8 are arranged and are arranged respectively in the upper right corner, lower right corner, the three quadrant in lower left corner, and first blade 6 is in the upper right side, and be 35 degrees with the angle of Z axle 11, around self axle rotation 17.5 degrees, can improve oar efficiency at full navigational speed within range, reach energy saving and emission reduction's purpose, be favorable to improving the vibration noise problem simultaneously, this scheme is through CFD emulation and ship model pond test, energy-conserving effect improves 20% ~ 80% than traditional stator. When using the three-piece solution, additional construction costs can be saved.

Further, the second blade 7 is in the lower right side, is 130 degrees with the angle of Z axle 11, and around self axle rotation 27.5 degrees, consider hull 1003 afterbody line type, through arrange the blade before screw 2, the blade is rationally arranged in whole screw 2 rotation range, at the first quadrant in 3 the place ahead of thick liquid dish face, the fourth quadrant, the blade is arranged respectively in the third quadrant, combine CFD simulation and optimization algorithm, make screw 2 produce bigger power, need less moment of torsion to improve the comprehensive efficiency of hull 1003 and screw 2.

Furthermore, the third blade 8 is arranged at the lower left side, the angle between the third blade 8 and the Z axis 11 is 250 degrees, the third blade rotates 10 degrees around the self axis, a certain number of stator blades are arranged in front of the propeller 2, if the scheme is three, the number of the stator blades is not necessarily three, and can be 3 to 8, each blade is formed by stretching a special section form, and the root part is connected with the ship body 1003, so that the working efficiency of the ship can be greatly improved.

The working principle is as follows: for the energy-saving stator for the ship, firstly, the fixture block 1002 can transversely move and is plugged into the clamping groove 1001, so that the fixture block 1002 and the clamping groove 1001 can be installed in a matched manner, the stator can be conveniently and fixedly installed with a ship body 1003, and the subsequent normal use can be convenient, then, the movable hook 5 is plugged into the movable block 4, so that the movable block 4 and the movable hook 5 can be installed in a matched manner, so that the first blade 6 can be conveniently and fixedly installed, the first blade 6 can be conveniently and subsequently operated, and the subsequent normal use can be conveniently realized, a certain number of stator blades are designed in front of the propeller 2, for example, the stator blades are three, are not necessarily three, can be 3 to 8, each blade is formed by stretching in a special section form, the root part of each blade is connected with the ship body 1003, the working efficiency can be greatly improved, the efficiency of the ship can be improved in the full-speed range, and the purposes of energy saving and emission reduction can be achieved, and meanwhile, the problem of vibration noise is improved, and the energy-saving effect is improved by 20-80% compared with the traditional stator through CFD simulation and ship model water tank test. When the three-piece scheme is used, the construction cost can be additionally saved, and the whole using process of the energy-saving stator for the ship is completed.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. An energy-saving stator for ships, which comprises an X axis (1), and is characterized in that: the novel mortar filling machine is characterized in that a propeller (2) is arranged on the outer side of the X shaft (1), a mortar tray surface (3) is arranged on one side of the propeller (2), a movable block (4) is arranged on one side of the mortar tray surface (3), a movable hook (5) is arranged on one side of the movable block (4), a first blade (6) is arranged on one side of the movable hook (5), a second blade (7) is arranged on one side of the first blade (6), a third blade (8) is arranged on one side of the second blade (7), a stator (9) is arranged on one side of the third blade (8), an installation mechanism (10) is arranged on one side of the stator (9), a Z shaft (11) is arranged on one side of the X shaft (1), and a Y shaft (12) is arranged on one side of the Z shaft (11).

2. The energy-saving stator for the ship according to claim 1, wherein: the stator (9) comprises a stator core (901), a stator winding (902) and a base (903), the stator core (901) is arranged on one side of the X shaft (1), the stator winding (902) is wound on the outer side of the stator core (901), and the base (903) is arranged on one side of the stator winding (902).

3. The energy-saving stator for the ship according to claim 1, wherein: the first blades (6) are movably connected with the movable hooks (5) through the movable blocks (4) and distributed within a 360-degree range in the direction of the X shaft (1), and meanwhile, each blade rotates for a certain angle around the axis of the blade.

4. The energy-saving stator for the ship according to claim 1, wherein: the mounting mechanism (10) comprises a clamping groove (1001), a clamping block (1002) and a ship body (1003), wherein the clamping groove (1001) is formed in one side of an X axis (1), the clamping block (1002) is arranged on the inner side of the clamping groove (1001), the clamping block (1002) is arranged, and the ship body (1003) is arranged on one side of the clamping block (1002).

5. The energy-saving stator for the ship according to claim 3, wherein: the first blade (6), the second blade (7) and the third blade (8) are arranged in three quadrants of the upper right corner, the lower right corner and the lower left corner respectively, and the first blade (6) is arranged above the right side, is 35 degrees with the angle of the Z axis, and rotates 17.5 degrees around the self axis.

6. The energy-saving stator for the ship according to claim 1, wherein: the second blade (7) is arranged at the lower right, has an angle of 130 degrees with the Z axis (11), and rotates 27.5 degrees around the self axis.

7. The energy-saving stator for the ship according to claim 1, wherein: the third blade (8) is positioned at the lower left, has an angle of 250 degrees with the Z axis (11), and rotates 10 degrees around the self axis.