Propeller and submersible

The split shell design and electromagnetically driven propeller structure solve the problem of maintenance complexity of existing propellers, and achieve low-cost, efficient maintenance and reliability.

CN223355858UActive Publication Date: 2025-09-19CHONGQING KUNLIAN MACHINERY MANUFACTURING CO LTD
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Patent Information

Application Number
CN202422973260.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-03
Publication Date
2025-09-19
Estimated Expiration
2034-12-03

AI Technical Summary

Technical Problem

Existing thrusters have complex structures and tight connections between components, which leads to high maintenance complexity and increased costs, and reduces equipment reliability and availability.

Method used

It adopts a split shell design, including streamlined front and rear shells. The rotor and stator inside are driven by electromagnetic force to rotate the rotor. The drive shaft is connected to the propeller. The combination of bearings, oil seals and sealing rings improves stability and sealing effect, and simplifies the disassembly and assembly process.

Benefits of technology

The structure is simple, the assembly and disassembly are convenient, the maintenance cost is reduced, and the reliability and availability of the propeller are improved.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of submersible, and discloses a propeller and submersible, which comprise a shell component, a streamlined front shell is integrally formed at the front end of the shell component, a rear shell is in threaded connection with the rear end of the shell component, a driving shaft is rotatably connected in the shell component through a bearing, and a propeller is arranged in the driving shaft. A rotor and a stator are arranged in the shell assembly, the rotor is fixedly connected with the driving shaft, the stator is fixedly connected with the shell assembly, the stator applies electromagnetic force to the rotor to drive the rotor to rotate, and the end, extending out of the front shell, of the driving shaft is connected with a propeller. The propeller and the submersible solve the problems that an existing propeller is complex in structure and high in maintenance cost.
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Description

Technical Field

[0001] The utility model relates to the technical field of submersibles, in particular to a propeller and a submersible. Background Art

[0002] Existing thrusters have complex structures and their components are tightly connected. Once a failure occurs, they often need to be completely disassembled for repair or replacement, which increases the complexity and cost of maintenance and reduces the reliability and availability of the equipment. Utility Model Content

[0003] The purpose of the present utility model is to provide a propeller and a submersible to solve at least one of the above problems existing in the prior art.

[0004] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0005] A propeller includes a shell assembly, wherein the front end of the shell assembly is integrally formed with a streamlined front shell, the rear end of the shell assembly is threadedly connected to a rear shell, a drive shaft is rotatably connected to the shell assembly via a bearing, a rotor and a stator are provided in the shell assembly, the rotor is fixedly connected to the drive shaft, and the stator is fixedly connected to the shell assembly, the stator applies electromagnetic force to the rotor to drive the rotor to rotate, and the end of the drive shaft extending out of the front shell is connected to a propeller.

[0006] In this technical solution, the shell assembly is the outer shell part of the propeller, which is used to protect the mechanical and electronic components inside the propeller from the influence of the underwater environment. The front shell is the front outer shell of the propeller, which is designed to be streamlined to reduce underwater resistance and improve propulsion efficiency. The rear shell, the shell assembly and the front shell together form a complete shell to protect the internal components of the propeller. A rotor and a stator are provided in the shell assembly. The rotor is fixedly connected to the drive shaft, and the stator is fixedly connected to the shell assembly. When current passes through the stator, a magnetic field is generated to act on the rotor to rotate. The stator applies electromagnetic force to the rotor to drive the rotor to rotate, and the rotor drives the drive shaft to rotate. The end of the drive shaft extending out of the front shell is connected to a propeller, and the drive shaft drives the propeller to rotate. In summary, this technical solution adopts a split shell design, which has a simple structure, is easy to disassemble and assemble, and has low maintenance costs.

[0007] Furthermore, a mounting base is integrally formed on the housing assembly, and a blocking cover is provided between the mounting base and the front shell. The mounting base is used to fix and support the entire propeller, and the blocking cover is used to prevent water or other impurities from entering the interior of the propeller.

[0008] Furthermore, in order to improve the rotation stability of the drive shaft, a first bearing is provided between the rear housing and the drive shaft, and a second bearing is provided between the front housing and the drive shaft.

[0009] Furthermore, in order to improve the sealing effect, an oil seal spring is provided between the front housing and the drive shaft.

[0010] Furthermore, an insulating gasket is provided in the shell assembly for the electrical connection part inside the thruster to ensure the insulation performance between the electrical components and prevent electrical short circuit or leakage.

[0011] Furthermore, in order to improve the sealing effect of the shell, a sealing ring is provided between the rear shell and the shell assembly, and the threaded connection between the rear shell and the shell assembly is sealed with glue.

[0012] The present utility model also provides a submersible, which includes a manned cabin and the above-mentioned propellers. There are six propellers, namely a right front propeller, a left front propeller, a right middle propeller, a left middle propeller, a right rear propeller and a left rear propeller. The right front propeller is located on the front right side of the manned cabin, providing forward thrust and a certain degree of rightward steering ability; the left front propeller is located on the front left side of the manned cabin, providing forward thrust and a certain degree of leftward steering ability; the right middle propeller is located in the middle right side of the manned cabin, maintaining the up and down balance of the submersible and providing thrust for ascent and descent; the left middle propeller is located in the middle left side of the manned cabin, for maintaining the up and down balance of the submersible and providing thrust for ascent and descent; the right rear propeller is located on the right rear side of the manned cabin, for providing backward thrust and the ability to steer right; the left rear propeller is located on the left rear side of the manned cabin, for providing backward thrust and the ability to steer left.

[0013] In this technical solution, the right front thruster plays an important role when the course needs to be adjusted to the right or complex maneuvers need to be performed. The left front thruster and the front right thruster form a diagonal layout, which helps to achieve more precise course control and attitude adjustment. When the right center thruster works in conjunction with the right front thruster, it can more effectively control the course and attitude of the manned cabin. When the left center thruster works in conjunction with the left front thruster, it can enhance the maneuverability of the manned cabin. The right rear thruster plays an indispensable role when it is necessary to quickly decelerate or adjust to the right course. It can also perform linear acceleration or deceleration. The left rear thruster plays an indispensable role when it is necessary to quickly decelerate or adjust to the left course. It can also perform linear acceleration or deceleration.

[0014] Through the coordinated work of these six thrusters, the submersible can achieve all-round maneuverability and attitude control, ensuring the safe, stable and efficient operation of the manned cabin in complex environments.

[0015] The beneficial effects of the present invention are as follows: In this technical solution, the shell assembly is the outer shell part of the propeller, which is used to protect the mechanical and electronic components inside the propeller from the influence of the underwater environment. The front shell is the front outer shell of the propeller, which is designed to be streamlined to reduce underwater resistance and improve propulsion efficiency. The rear shell, the shell assembly and the front shell together form a complete shell to protect the internal components of the propeller. A rotor and a stator are provided in the shell assembly, and the rotor is fixedly connected to the drive shaft, and the stator is fixedly connected to the shell assembly. When current passes through the stator, a magnetic field is generated to act on the rotor to rotate. The stator applies electromagnetic force to the rotor to drive the rotor to rotate, and the rotor drives the drive shaft to rotate. The end of the drive shaft extending out of the front shell is connected to a propeller, and the drive shaft drives the propeller to rotate. In summary, this technical solution adopts a split shell design, which has a simple structure, is easy to disassemble and assemble, and has low maintenance costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic structural diagram of the propeller in the present utility model;

[0017] Figure 2 This is a schematic cross-sectional view of the propeller in the present invention;

[0018] Figure 3 This is a schematic structural diagram of the submersible in the present utility model;

[0019] Figure 4 It is a schematic diagram of the top view of the submersible in the present utility model.

[0020] In the figure: shell assembly 1; front shell 2; rear shell 3; bearing 4; drive shaft 5; rotor 6; stator 7; propeller; mounting seat 9; plug cover 10; oil seal spring 11; insulating gasket 12; sealing ring 13; right front propeller 14; left front propeller 15; right center propeller 16; left center propeller 17; right rear propeller 18; left rear propeller 19; manned cabin 20. DETAILED DESCRIPTION

[0021] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the present invention will be briefly introduced below in conjunction with the drawings and the description of the embodiments or the prior art. Obviously, the following description of the structures of the drawings is only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative work. It should be noted that the description of these embodiments is used to help understand the present invention, but does not constitute a limitation of the present invention.

[0022] Example 1:

[0023] like Figures 1-4As shown, this embodiment provides a propeller, including a shell assembly 1, the front end of the shell assembly 1 is integrally formed with a streamlined front shell 2, the rear end of the shell assembly 1 is threadedly connected to a rear shell 3, a drive shaft 5 is rotatably connected to the shell assembly 1 through a bearing 4, a rotor 6 and a stator 7 are provided in the shell assembly 1, the rotor 6 is fixedly connected to the drive shaft 5, and the stator 7 is fixedly connected to the shell assembly 1, the stator 7 applies electromagnetic force to the rotor 6 to drive the rotor 6 to rotate, and the end of the drive shaft 5 extending out of the front shell 2 is connected to a propeller.

[0024] In this technical solution, the shell assembly is the outer shell of the propeller, which is used to protect the mechanical and electronic components inside the propeller from the influence of the underwater environment. The front shell 2 is the front outer shell of the propeller, which is designed to be streamlined to reduce underwater resistance and improve propulsion efficiency. The rear shell 3, together with the shell assembly 1 and the front shell 2, forms a complete shell to protect the internal components of the propeller. A rotor 6 and a stator 7 are provided in the shell assembly 1. The rotor 6 is fixedly connected to the drive shaft 5, and the stator 7 is fixedly connected to the shell assembly 1. When current passes through the stator 7, a magnetic field is generated to act on the rotor 6, causing it to rotate. The stator 7 applies an electromagnetic force to the rotor 6 to drive the rotor 6 to rotate, and the rotor 6 drives the drive shaft 5 to rotate. The end of the drive shaft 5 extending out of the front shell 2 is connected to a propeller, and the drive shaft 5 drives the propeller to rotate. In summary, this technical solution adopts a split shell design, which has a simple structure, is easy to disassemble and assemble, and has low maintenance costs.

[0025] Example 2:

[0026] This embodiment is optimized based on the above embodiment 1.

[0027] The housing assembly 1 is integrally formed with a mounting seat 9, and a blocking cover 10 is provided between the mounting seat 9 and the front shell 2. The mounting seat 9 is used to fix and support the entire propeller, and the blocking cover 10 is used to prevent water or other impurities from entering the interior of the propeller.

[0028] Example 3:

[0029] This embodiment is optimized based on the above embodiment 1.

[0030] In order to improve the rotation stability of the drive shaft 5 , a first bearing is provided between the rear housing 3 and the drive shaft 5 , and a second bearing is provided between the front housing 2 and the drive shaft 5 .

[0031] Example 4:

[0032] This embodiment is optimized based on the above embodiment 1.

[0033] In order to improve the sealing effect, an oil seal spring 11 is provided between the front housing 2 and the drive shaft 5 .

[0034] Example 5:

[0035] This embodiment is optimized based on the above embodiment 1.

[0036] An insulating gasket 12 is provided in the housing assembly 1 and is used for the electrical connection part inside the thruster to ensure the insulation performance between the electrical components and prevent electrical short circuit or leakage.

[0037] Example 6:

[0038] This embodiment is optimized based on the above embodiment 1.

[0039] In order to improve the sealing effect of the shell, a sealing ring 13 is provided between the rear shell 3 and the shell assembly 1, and the threaded connection between the rear shell 3 and the shell assembly 1 is sealed with glue.

[0040] Example 7:

[0041] like Figure 3-Figure 4 As shown, the present invention also provides a submersible, which includes a manned cabin 20 and a propeller as described in any one of Examples 1 to 6, there are six propellers, namely a right front propeller 14, a left front propeller 15, a right middle propeller 16, a left middle propeller 17, a right rear propeller 18 and a left rear propeller 19. The right front propeller 14 is located on the front right side of the manned cabin 20, providing forward thrust and a certain degree of rightward steering capability; the left front propeller 15 is located on the front left side of the manned cabin 20, providing forward thrust and a certain degree of rightward steering capability; The right middle thruster 16 is located in the middle right side of the manned cabin 20, and is used to maintain the upper and lower balance of the submersible and provide thrust for ascent and descent; the left middle thruster 17 is located in the middle left side of the manned cabin 20, and is used to maintain the upper and lower balance of the submersible and provide thrust for ascent and descent; the right rear thruster 18 is located in the right rear part of the manned cabin 20, and is used to provide backward thrust and the ability to turn right; the left rear thruster 19 is located in the left rear part of the manned cabin 20, and is used to provide backward thrust and the ability to turn left.

[0042] In this technical solution, the right front propeller 14 will play an important role when it is necessary to adjust the course to the right or perform complex maneuvers. The left front propeller 15 forms a diagonal layout with the front right propeller, which helps to achieve more precise course control and attitude adjustment. When the right middle propeller 16 works in conjunction with the right front propeller 14, it can more effectively control the course and attitude of the manned cabin 20. When the left middle propeller 17 works in conjunction with the left front propeller 15, it can enhance the maneuverability of the manned cabin 20. The right rear propeller 18 plays an indispensable role when it is necessary to quickly decelerate or adjust to the right course, and it can also perform linear acceleration or deceleration. The left rear propeller 19 plays an indispensable role when it is necessary to quickly decelerate or adjust to the left course, and it can also perform linear acceleration or deceleration.

[0043] Through the coordinated operation of these six thrusters, the submersible can achieve all-round maneuverability and attitude control, ensuring the safe, stable and efficient operation of the manned cabin 20 in complex environments.

[0044] Finally, it should be noted that the above are only preferred embodiments of the present invention and are not intended to limit the scope of protection of the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included in the scope of protection of the present invention.

Claims

1. A propeller, characterized in that: The invention comprises a shell assembly, the front end of the shell assembly is integrally formed with a streamlined front shell, the rear end of the shell assembly is threadedly connected to the rear shell, a drive shaft is rotatably connected to the shell assembly through a bearing, a rotor and a stator are provided in the shell assembly, the rotor is fixedly connected to the drive shaft, the stator is fixedly connected to the shell assembly, the stator applies electromagnetic force to the rotor to drive the rotor to rotate, and the end of the drive shaft extending from the front shell is connected to a propeller.

2. A propeller according to claim 1, characterized in that: A mounting seat is integrally formed on the shell assembly, and a blocking cover is provided between the mounting seat and the front shell.

3. A propeller according to claim 1, characterized in that: A first bearing is provided between the rear housing and the drive shaft, and a second bearing is provided between the front housing and the drive shaft.

4. A propeller according to claim 1, characterized in that: An oil seal spring is provided between the front housing and the drive shaft.

5. The propeller according to claim 1, characterized in that: An insulating gasket is provided in the housing assembly.

6. A propeller according to claim 1, characterized in that: A sealing ring is provided between the rear shell and the housing assembly, and the threaded connection between the rear shell and the housing assembly is sealed with glue.

7. A submersible, characterized in that: It comprises a manned cabin and the thrusters according to any one of claims 1 to 6, wherein there are six thrusters, namely a right front thruster, a left front thruster, a right middle thruster, a left middle thruster, a right rear thruster and a left rear thruster, the right front thruster is located at the front right side of the manned cabin, providing forward thrust and the ability to turn right; the left front thruster is located at the front left side of the manned cabin, providing forward thrust and the ability to turn left; the right middle thruster is located at the right middle part of the manned cabin, maintaining the up and down balance of the submersible and providing thrust for ascent and descent; the left middle thruster is located at the left middle part of the manned cabin, for maintaining the up and down balance of the submersible and providing thrust for ascent and descent; the right rear thruster is located at the right rear part of the manned cabin, for providing backward thrust and the ability to turn right; the left rear thruster is located at the left rear part of the manned cabin, for providing backward thrust and the ability to turn left.