CN112124544A

CN112124544A - Propulsion system for boats and ships

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Publication number: CN112124544A
Application number: CN202011086685.8A
Authority: CN
Inventors: 史东伟; 舒永东; 常晓雷; 张道翔; 马君亭; 皮志达; 林富华; 王浩; 秦京
Original assignee: Nanjing High Accurate Marine Equipment Co Ltd
Current assignee: Nanjing High Accurate Marine Equipment Co Ltd
Priority date: 2020-10-12
Filing date: 2020-10-12
Publication date: 2020-12-25
Also published as: CN112810787A

Abstract

The invention relates to the technical field of ships, in particular to a propulsion system for a ship, which comprises a shell, a water inlet, a water outlet and a power unit, wherein the shell is arranged at the lower end of the ship and is provided with a diversion cavity; the propeller is arranged in the shell and is opposite to the water inlet, and the propeller can rotate and is used for absorbing water into the flow guide cavity; and the guide plate assembly is arranged in the water outlet and can rotate to discharge the water in the guide cavity into a water area according to a set direction. The invention can ensure the smooth operation of the ship and is convenient for operating the ship.

Description

Propulsion system for boats and ships

Technical Field

The invention relates to the technical field of ships, in particular to a propulsion system for a ship.

Background

With the development of shipping and marine engineering, more and more ships are used in life and production. Along with the diversification of production life, the ship type is also more and more, and to some boats and ships that draft is shallower, traditional auxiliary propulsion ware is because the draft is not enough like side direction propeller etc. and the screw immersion can expose the surface of water and produce and inhale sky inadequately even to unable effective work leads to the boats and ships operation to slow down, even unable motion.

Therefore, a propulsion system for a ship is required to solve the above technical problems.

Disclosure of Invention

The invention aims to provide a propulsion system for a ship, which can ensure the smooth operation of the ship and is convenient to control the ship.

In order to achieve the purpose, the invention adopts the following technical scheme:

a propulsion system for a marine vessel, comprising:

the shell is arranged at the lower end of the ship and provided with a flow guide cavity, and the lower end of the shell is provided with a water inlet and a water outlet which are communicated with the flow guide cavity and a water area;

the propeller is arranged in the shell and is opposite to the water inlet, and the propeller can rotate and is used for absorbing water into the flow guide cavity;

and the guide plate assembly is arranged in the water outlet and can rotate to discharge the water in the guide cavity into a water area according to a set direction.

Further, the prime mover assembly comprises a first prime mover and a first rotating shaft, the first prime mover is arranged at the upper end of the shell, the first rotating shaft penetrates through the shell, one end of the first rotating shaft is connected with an output shaft of the first prime mover, and the other end of the first rotating shaft is connected with the propeller.

Further, the prime mover assembly further comprises a first shaft tube, the first shaft tube is sleeved on the first rotating shaft and is coaxially arranged with the first rotating shaft, and the first shaft tube is connected with the shell.

Further, a first bearing is arranged in the first shaft tube, and the first rotating shaft penetrates through the first bearing.

Further, the first shaft pipe is provided with a first sealing element, and the first sealing element is sleeved on the first rotating shaft.

Further, the direction-adjusting driving assembly comprises a second prime mover and a second rotating shaft, the second prime mover is arranged at the upper end of the shell, the second rotating shaft penetrates through the shell, one end of the second rotating shaft is connected with an output shaft of the second prime mover, and the other end of the second rotating shaft is connected with the guide plate assembly.

Furthermore, the direction-adjusting driving assembly further comprises a second shaft pipe, the second shaft pipe is sleeved on the second rotating shaft and coaxial with the second rotating shaft, and the second shaft pipe is connected with the shell.

Further, a second bearing and a second sealing element are arranged in the second shaft pipe, and the second rotating shaft penetrates through the second bearing and the second sealing element.

Further, the guide plate assembly comprises a connecting plate and a plurality of guide plates, the connecting plate is connected with the second rotating shaft, and the guide plates are arranged on the connecting plate at intervals.

Further, a grid is arranged at the water inlet.

The invention has the beneficial effects that:

according to the propulsion system for the ship, the lower end of the ship is provided with the shell with the flow guide cavity, the lower end of the shell is provided with the water inlet and the water outlet which are communicated with the water area and the flow guide cavity, the shell is provided with the propeller positioned at the water inlet, the propeller rotates to suck water into the flow guide cavity, the water entering the flow guide cavity is discharged through the flow guide plate assembly, and the flow guide plate assembly can rotate to discharge the water in the flow guide cavity into the water area according to the set direction, so that the advancing and advancing directions of the ship can be conveniently regulated and controlled. Because the water inlet of the ship is positioned under the ship body, even if the draught of the ship is shallow, the water absorption of the propeller is not influenced, and the propulsion system can completely exert the thrust. The direction of the guide plate assembly can be adjusted by 360 degrees, the thrust of the ship propulsion system can be adjusted to any direction, and the maneuvering flexibility of the ship is greatly improved. The propulsion system of the ship can be ensured to work normally, so that the ship can be ensured to run smoothly.

Drawings

FIG. 1 is a cross-sectional view of a marine propulsion system of the present invention;

fig. 2 is a partially enlarged view of a portion a in fig. 1.

In the figure:

1. a housing; 11. a flow guide cavity; 12. a water outlet; 13. a grid; 2. a prime mover assembly; 21. a first prime mover; 22. a first rotating shaft; 23. a first shaft tube; 24. a coupling; 3. a propeller; 4. a direction-adjusting driving component; 41. a second prime mover; 42. a second rotating shaft; 43. a second shaft pipe; 44. a speed reducer; 5. a baffle assembly; 51. a connecting plate; 52. a baffle.

Detailed Description

The technical scheme of the invention is further explained by combining the attached drawings and the embodiment. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some but not all of the elements associated with the present invention are shown in the drawings.

In the description of the present invention, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection or a removable connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

In order to ensure that a ship with shallow draft can smoothly run and to facilitate the operation and control of the ship, the invention provides a propulsion system for a ship, as shown in fig. 1-2. This marine propulsion system includes: the air conditioner comprises a shell 1, a prime mover assembly 2, a propeller 3, a direction adjusting driving assembly 4 and a deflector assembly 5.

The ship comprises a shell 1, a water inlet, a water outlet 12 and a water guide cavity 11, wherein the shell 1 is fixedly arranged at the lower end of the ship, the shell 1 is provided with the water guide cavity 11, and the lower end of the shell 1 is provided with the water inlet and the water outlet 12 which are communicated with the water guide cavity 11 and a water area; the prime motor component 2 is arranged at the upper end of the shell 1, and the output end of the prime motor component 2 penetrates through the shell 1; the propeller 3 is rotatably arranged in the shell 1 and is opposite to the water inlet, and the propeller 3 is in transmission connection with the output end of the prime motor component 2; the direction-adjusting driving component 4 is arranged at the upper end of the shell 1, and the output end of the direction-adjusting driving component 4 is arranged in the shell 1 in a penetrating way; the guide plate assembly 5 is arranged in the water outlet 12 and is in transmission connection with the direction-adjusting driving assembly 4, and water in the guide cavity 11 can be discharged into a water area through the guide plate assembly 5.

Be provided with on casing 1 prime mover subassembly 2 and drive 3 that are located the screw of water inlet toward water conservancy diversion chamber 11 and absorb water, the water that gets into water conservancy diversion chamber 11 is discharged through guide plate subassembly 5, drives guide plate subassembly 5 through the accent that sets up on casing 1 to runner assembly according to the needs of reality and rotates to setting for the position to adjust the rivers direction, thereby be convenient for regulate and control the advancing and the direction of advance of boats and ships. Through the arrangement, the propulsion system of the ship can work normally, so that the ship can run smoothly.

Through adopting perpendicular water absorption back with the mode that original boats and ships adopted traditional screw to change into, promote boats and ships through the mode of guide plate subassembly 5 drainage and advance and change the navigation direction of boats and ships, because the water inlet of boats and ships is located the hull under, even the boats and ships draft very shallow not influence the water absorption of screw 3, the performance thrust that propulsion system can be complete. The direction of the guide plate assembly 5 can be adjusted by 360 degrees, the thrust of the ship propulsion system can be adjusted to any direction, and the maneuvering flexibility of the ship is greatly improved.

Further, in order to prevent the propeller 3 from being hinged by a fishing net or a cable in the water area, the propeller 3 cannot rotate effectively, and even the propeller 3 and the prime mover assembly 2 are damaged, the grille 13 is arranged at the water inlet, the grille 13 is arranged to isolate the fishing net or the cable from the propeller 3, and other floaters in the water can be prevented from entering the diversion cavity 11.

Further, the prime mover assembly 2 includes a first prime mover 21 and a first rotating shaft 22, the first prime mover 21 is disposed at an upper end of the housing 1, the first rotating shaft 22 is inserted into the housing 1, one end is connected to an output shaft of the first prime mover 21, and the other end is connected to the propeller 3. Specifically, first prime mover 21 is an electric motor, first prime mover 21 is connected to first shaft 22 through coupling 24, the speed of water flowing into the draft hole cavity can be controlled by controlling the rotation speed of first prime mover 21, and connection of first prime mover 21 to propeller 3 is facilitated by providing first shaft 22.

Further, the prime mover assembly 2 further includes a first axle tube 23, the first axle tube 23 is sleeved on the first rotating shaft 22 and is coaxially arranged with the first rotating shaft 22, and the first axle tube 23 is welded to the housing 1.

Further, a first bearing is disposed in the first shaft tube 23, and the first rotating shaft 22 is inserted in the first bearing. By providing a first bearing, the position of the first shaft 22 relative to the first shaft tube 23 is defined on the one hand; on the other hand, smooth rotation of the first rotating shaft 22 can be ensured.

Since there is a gap between the first shaft tube 23 and the first rotating shaft 22, in order to prevent water from entering the cabin through the gap between the first shaft tube 23 and the first rotating shaft 22, further, the first shaft tube 23 is provided with a first sealing member, and the first sealing member is sleeved on the first rotating shaft 22. The gap between the first shaft 22 and the first shaft tube 23 is closed off by a first seal so that water cannot enter the hold of the ship through the first shaft tube 23. Specifically, the first seal may be a rubber seal, and the gap between the first rotating shaft 22 and the first shaft tube 23 is closed by elastic deformation of rubber.

Further, the direction-adjusting driving assembly 4 includes a second prime mover 41 and a second rotating shaft 42, the second prime mover 41 is disposed at the upper end of the housing 1, the second rotating shaft 42 is disposed in the housing 1 in a penetrating manner, one end of the second prime mover is connected to an output shaft of the second prime mover 41, and the other end of the second prime mover is connected to the air deflector assembly 5. Specifically, in order to increase the torque of second prime mover 41 while facilitating adjustment of the rotational speed, the output end of second prime mover 41 is provided with speed reducer 44, and of course, second prime mover 41 and speed reducer 44 may be provided as an integrated structure. Coupling of second prime mover 41 to baffle assembly 5 is facilitated by the provision of second shaft 42.

Further, the direction-adjusting driving assembly 4 further includes a second shaft pipe 43, the second shaft pipe 43 is sleeved on the second rotating shaft 42 and coaxial with the second rotating shaft 42, and the second shaft pipe 43 is connected with the housing 1.

Further, a second bearing and a second sealing member are disposed in the second shaft tube 43, and the second rotating shaft 42 is disposed through the second bearing and the second sealing member. By providing the second bearing, the relative position of the second rotating shaft 42 with respect to the second shaft tube 43 is defined on the one hand, and the smooth rotation of the second rotating shaft 42 can be ensured on the other hand. The gap between the second rotating shaft 42 and the second shaft pipe 43 is sealed by arranging a second sealing element, so that water cannot enter the cabin through the second shaft pipe 43. Specifically, the second seal may be a rubber seal, and the gap between the second rotating shaft 42 and the second shaft pipe 43 is closed by elastic deformation of rubber.

Further, the baffle assembly 5 comprises a connecting plate 51 and a plurality of baffles 52, the connecting plate 51 is connected with the second rotating shaft 42, and the plurality of baffles 52 are arranged on the connecting plate 51 at intervals. Specifically, the baffle 52 is angled. The water in the diversion cavity 11 flows out through the gap between two adjacent diversion plates 52. The drainage orientation angle of the guide plate 52 is adjusted by controlling the second driving link, so that the drainage angle is controlled, the thrust generated by drainage can point to any direction according to the requirement, and the flexibility of ship control is greatly improved.

It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. A propulsion system for a marine vessel, comprising:

the ship comprises a shell (1) arranged at the lower end of a ship, wherein the shell (1) is provided with a flow guide cavity (11), and the lower end of the shell (1) is provided with a water inlet and a water outlet (12) which are communicated with the flow guide cavity (11) and a water area;

the propeller (3) is arranged in the shell (1) and is opposite to the water inlet, and the propeller (3) can rotate and is used for absorbing water into the flow guide cavity (11);

the guide plate assembly (5) is arranged in the water outlet (12), and the guide plate assembly (5) can rotate to discharge water in the guide cavity (11) into a water area according to a set direction.

2. A propulsion system for a ship according to claim 1, further comprising a prime mover assembly (2), said prime mover assembly (2) comprising a first prime mover (21) and a first rotating shaft (22), said first prime mover (21) being arranged at an upper end of said housing (1), said first rotating shaft (22) being inserted into said housing (1) and having one end connected to an output shaft of said first prime mover (21) and the other end connected to said propeller (3).

3. A propulsion system for a ship according to claim 2, characterized in that the prime mover assembly (2) further comprises a first axle tube (23), the first axle tube (23) is sleeved on the first rotating shaft (22) and is coaxially arranged with the first rotating shaft (22), and the first axle tube (23) is connected with the housing (1).

4. A propulsion system for a vessel according to claim 3, characterised in that a first bearing is arranged in the first shaft tube (23), in which first bearing the first rotation shaft (22) is arranged.

5. A propulsion system for a vessel according to claim 3, characterised in that the first shaft tube (23) has a first sealing which is fitted over the first shaft (22).

6. A propulsion system for a ship according to claim 1, further comprising a direction-adjusting drive assembly (4), wherein the direction-adjusting drive assembly (4) comprises a second prime mover (41) and a second rotating shaft (42), the second prime mover (41) is disposed at the upper end of the housing (1), the second rotating shaft (42) is inserted into the housing (1), one end of the second rotating shaft is connected to the output shaft of the second prime mover (41), and the other end of the second rotating shaft is connected to the deflector assembly (5).

7. The marine propulsion system of claim 6, wherein the steering drive assembly (4) further comprises a second shaft tube (43), the second shaft tube (43) is sleeved on the second rotating shaft (42) and is coaxial with the second rotating shaft (42), and the second shaft tube (43) is connected with the housing (1).

8. A propulsion system for a ship according to claim 7, characterised in that a second bearing and a second seal are arranged in the second shaft tube (43), and the second shaft (42) is arranged through the second bearing and the second seal.

9. Marine propulsion system according to claim 6, characterised in that the deflector assembly (5) comprises a connection plate (51) and a plurality of deflectors (52), the connection plate (51) being connected to the second shaft (42), the plurality of deflectors (52) being arranged at intervals on the connection plate (51).

10. A propulsion system for a vessel according to any one of claims 1-9, characterised in that a grating (13) is arranged at the water inlet.