Anti-wear underwater vehicle propeller

By adopting the design of high-strength corrosion-resistant alloy material and lightweight wear-resistant composite material, combined with spring and motor-driven disassembly device, the problems of easy wear and inconvenient maintenance of underwater vehicle propellers are solved, and the rapid disassembly and installation of propellers are achieved, extending service life and improving corrosion resistance.

CN223132335UActive Publication Date: 2025-07-22CHANGZHOU ZHONGHAI MARINE PROPELLER CO LTD
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Patent Information

Application Number
CN202422269675.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-18
Publication Date
2025-07-22
Estimated Expiration
2034-09-18

AI Technical Summary

Technical Problem

The existing underwater vehicle propellers are prone to wear in complex and changeable underwater environments, and the existing protective covers are not easy to disassemble and install, resulting in inconvenient maintenance.

Method used

An anti-wear underwater vehicle propeller including a propeller, a protective cover and a disassembly device was designed. The propeller was made of high-strength corrosion-resistant alloy material. The protective cover was made of lightweight wear-resistant composite material. It was equipped with springs and mounting blocks to achieve rapid disassembly and installation of the protective cover. The motor drives the threaded rod and slider to achieve automatic advance and retreat of the locking column, combined with the use of wear-resistant coating and engineering plastics to improve durability and reduce costs.

Benefits of technology

It significantly reduces the wear speed of the propeller, extends service life, simplifies the maintenance process, improves maintenance efficiency, and enhances the corrosion resistance and stability of the propeller.

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Abstract

The utility model relates to the technical field of underwater vehicles, in particular to an anti-abrasion underwater vehicle propeller which comprises a propeller body, a protective cover and a dismounting device, a fixing pipe is arranged on the rear side wall of the propeller body, a connecting pipe is arranged at the rear end of the fixing pipe, symmetrical fixing boxes are arranged on the side wall of the fixing pipe, and the connecting pipe is connected with the fixing boxes. A cavity without a side wall is formed in the fixed box, symmetrical mounting boxes are arranged on the inner side wall of one end of the protection cover, the dismounting device comprises a spring and a mounting block, through holes are formed in the front side walls of the mounting boxes, a locking box is arranged on the upper side wall of the fixed box, a locking cavity without a side wall is formed in the locking box, and a locking groove is formed in the locking cavity. A threaded rod and a sliding block are arranged in the locking cavity, a locking column is arranged at the front end of the bottom wall of the sliding block, a fixing hole is formed in the side wall of the fixing box, and a sliding hole is formed in the side wall of the mounting block, so that the abrasion speed of the propeller is remarkably reduced, the service life of the propeller is prolonged, and the corrosion resistance of the propeller is further improved.
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Description

Technical Field

[0001] The utility model relates to the technical field of underwater vehicles, in particular to an anti-wear underwater vehicle propeller. Background Technique

[0002] As is well known, the existing underwater vehicle propeller is a propulsion device. It rotates the propeller blades in water to convert the rotational power of the engine into propulsion force, thereby pushing the underwater vehicle forward. The propeller consists of propeller blades and a hub. The propeller blades are usually thin and are installed on the hub to generate thrust by rotation.

[0003] Due to the complexity and variability of the underwater environment, the propeller often faces severe wear problems, which not only affect its propulsion efficiency but may also shorten its service life and even cause more serious consequences. Although a protective cover is usually installed outside the propeller to protect it, the existing protective covers often have problems of being difficult to disassemble and install, which brings inconvenience to maintenance and replacement. Content of the Utility Model

[0004] (1) Technical Problems to be Solved

[0005] In view of the deficiencies of the prior art, the utility model provides an anti-wear underwater vehicle propeller.

[0006] (2) Technical Solutions

[0007] To achieve the above object, the utility model provides the following technical solution: an anti-wear underwater vehicle propeller, comprising a propeller body, a protective cover and a disassembly device. The protective cover is on the outer side wall of the propeller body and is adapted to it. A fixed pipe is provided on the rear side wall of the propeller body. A connecting pipe is provided at the rear end of the fixed pipe. Symmetric fixed boxes are provided on the side wall of the fixed pipe. A cavity without side walls is provided in the fixed box. Symmetric mounting boxes are provided on the inner side wall of one end of the protective cover. The disassembly device is in the mounting box. The disassembly device comprises a spring and a mounting block. The springs are symmetrically arranged in the mounting box. The mounting block is at the outer end of the mounting box and is slidably connected to it. One end of the spring is connected to the inner side wall of the mounting box, and the other end is connected to the mounting block. The mounting block penetrates through the cavity and is slidably connected to it. A through hole is provided on the front side wall of the mounting box. A locking box is provided on the upper side wall of the fixed box. A locking cavity without one side wall is provided in the locking box. A threaded rod and a slider are provided in the locking cavity. The threaded rod penetrates through the locking cavity. The slider is on the threaded rod. The threaded rod penetrates through the slider and is threadedly connected to it. The slider is in contact with and slidably connected to the inner side wall of the locking box. A locking column is provided at the front end of the bottom wall of the slider. A fixing hole is provided on the side wall of the fixed box. A sliding hole is provided on the side wall of the mounting block. The fixing hole and the sliding hole can coincide. The locking column penetrates through the fixing hole and the sliding hole.

[0008] For the convenience of manual operation, the present utility model is improved as follows: a hand-held block is arranged on the side wall of the mounting block close to one end of the spring, and the hand-held block penetrates through the through hole and is slidably connected thereto.

[0009] For the automatic advancement and retraction of the locking post, the present utility model is improved as follows: a motor is arranged on the upper side wall of the locking box, and the threaded rod penetrates through the upper side wall of the locking box and is connected to the output end of the motor.

[0010] For enhancing its durability and corrosion resistance, the present utility model is improved as follows: the paddle body is made of a high-strength corrosion-resistant alloy material.

[0011] For reducing the overall weight and improving wear resistance at the same time, the present utility model is improved as follows: the protective cover is made of a lightweight wear-resistant composite material.

[0012] For further enhancing the anti-wear ability of the propeller, the present utility model is improved as follows: a wear-resistant coating is arranged on the outer side wall of the paddle body.

[0013] For reducing costs while maintaining good structural strength, the present utility model is improved as follows: the mounting box is made of engineering plastics.

[0014] For ensuring the stability and reliability of the locking structure, the present utility model is improved as follows: the locking box is made of high-strength alloy steel.

[0015] (III) Beneficial effects

[0016] Compared with the prior art, the present utility model provides an anti-wear underwater vehicle propeller, which has the following beneficial effects:

[0017] This anti-wear underwater vehicle propeller is provided with a protective cover, which effectively isolates the propeller from the wear factors in the underwater environment, significantly reduces the wear speed of the propeller, and extends its service life. It is provided with a spring and a mounting block. The spring expansion and contraction drive the mounting block to move. The mounting block penetrates through the fixed box, and the protective cover can be installed. It is provided with a locking box. The motor drives the threaded rod to rotate, and the slider rotates with the threaded rod, driving the locking post to move up and down, realizing the quick disassembly and installation of the protective cover. This not only simplifies the maintenance process but also improves the maintenance efficiency, enabling the underwater vehicle to return to the working state faster. At the same time, it ensures the stability of the protective cover during navigation and prevents it from falling off due to reasons such as water flow impact. The paddle body is made of a high-strength corrosion-resistant alloy material, which not only enhances the durability of the propeller but also improves its corrosion resistance. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the first perspective of the structure of the present utility model;

[0019] Figure 2 It is a schematic diagram of the second perspective of the structure of the present utility model;

[0020] Figure 3 It is an enlarged schematic diagram of the paddle of the structure of the present utility model;

[0021] Figure 4 It is a schematic diagram of the internal cross-section of the installation box of the structure of the present utility model.

[0022] In the figure: 1. protective cover; 2. paddle; 3. connecting pipe; 4. fixed pipe; 5. installation box; 6. fixed box; 7. spring; 8. locking column; 9. slider; 10. motor; 11. locking box; 12. threaded rod; 13. installation block; 14. hand-held block. Specific implementation manners

[0023] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all of the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without making creative efforts shall fall within the protection scope of the present utility model.

[0024] Please refer to Figures 1-4, an anti-wear underwater vehicle propeller, comprising a propeller body 2, a protective cover 1 and a disassembly device. The protective cover 1 is on the outer side wall of the propeller body 2 and is adapted to it. A fixed pipe 4 is provided on the rear side wall of the propeller body 2. A connecting pipe 3 is provided at the rear end of the fixed pipe 4. Symmetrical fixed boxes 6 are provided on the side wall of the fixed pipe 4. A cavity without a side wall is provided in the fixed box 6. Symmetrical mounting boxes 5 are provided on the inner side wall of one end of the protective cover 1. The disassembly device is in the mounting box 5. The disassembly device includes a spring 7 and a mounting block 13. The springs 7 are symmetrically arranged in the mounting box 5. The mounting block 13 is at the outer end of the mounting box 5 and is slidably connected to it. One end of the spring 7 is connected to the inner side wall of the mounting box 5, and the other end is connected to the mounting block 13. The mounting block 13 passes through the cavity and is slidably connected to it. A through hole is provided on the front side wall of the mounting box 5. A locking box 11 is provided on the upper side wall of the fixed box 6. A locking cavity without a side wall is provided in the locking box 11. A threaded rod 12 and a slider 9 are provided in the locking cavity. The threaded rod 12 passes through the locking cavity. The slider 9 is on the threaded rod 12. The threaded rod 12 passes through the slider 9 and is threadedly connected to it. The slider 9 is in contact with and slidably connected to the inner side wall of the locking box 11. A locking post 8 is provided at the front end of the bottom wall of the slider 9. A fixing hole is provided on the side wall of the fixed box 6. A sliding hole is provided on the side wall of the mounting block 13. The fixing hole and the sliding hole can coincide. The locking post 8 passes through the fixing hole and the sliding hole. A hand-held block 14 is provided on the side wall of the mounting block 13 near the spring 7. The hand-held block 14 passes through the through hole and is slidably connected to it. A motor 10 is provided on the upper side wall of the locking box 11. The threaded rod 12 passes through the upper side wall of the locking box 11 and is connected to the output end of the motor 10.

[0025] During use, the propeller body 2 is installed on the vehicle using the connecting pipe 3. Then, pinch the hand-held block 14. The mounting block 13 moves with the hand-held block 14. The spring 7 contracts as the mounting block 13 moves. The mounting block 13 retracts into the mounting box 5. Then, align the mounting block 13 with the cavity and release the hand-held block 14. The spring 7 expands, and the mounting block 13 moves with the expansion of the spring 7. The mounting block 13 passes through the fixed box 6 for fixation. The protective cover 1 covers the outer side of the propeller body 2. At this time, the fixing hole and the sliding hole coincide. Start the motor 10. The output of the motor 10 drives the threaded rod 12 to rotate. Under the limitation of the locking box 11, the slider 9 moves and descends as the threaded rod 12 rotates. The slider 9 drives the locking post 8 to descend. The locking post 8 passes through the fixing hole and the sliding hole for further locking, which is very convenient. When disassembly is required, perform disassembly according to the above operations.

[0026] During actual use, it is necessary to enhance the durability and corrosion resistance of the propeller and extend its service life. To meet the above requirements, in this embodiment, the propeller body 2 is made of a high-strength corrosion-resistant alloy material.

[0027] During actual use, it is necessary to reduce the overall weight while improving wear resistance to protect the propeller from wear. To meet the above requirements, in this embodiment, the protective cover 1 is made of a lightweight wear-resistant composite material.

[0028] During actual use, it is necessary to further enhance the anti-wear ability of the propeller. To meet the above requirements, in this embodiment, a wear-resistant coating is provided on the outer side wall of the propeller body 2.

[0029] During actual use, it is necessary to reduce costs while maintaining good structural strength and durability to improve economic efficiency. To meet the above requirements, in this embodiment, the installation box 5 is made of engineering plastics.

[0030] During actual use, it is necessary to ensure the stability and reliability of the locking structure. To meet the above requirements, in this embodiment, the locking box 11 is made of high-strength alloy steel.

[0031] To illustrate in detail the possible application scenarios, technical principles, specific implementable solutions, achievable purposes and effects, etc. of the present application, the following will be described in detail in conjunction with the specific embodiments listed and with reference to the accompanying drawings. The embodiments described herein are only used to more clearly illustrate the technical solutions of the present application, so they are only examples and cannot be used to limit the protection scope of the present application.

[0032] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An anti-wear underwater vehicle propeller, comprising a propeller body (2), a protective cover (1) and a disassembly device, characterized in that: The protective cover (1) is on the outer side wall of the paddle body (2) and is adapted to it. A fixed tube (4) is provided on the rear side wall of the paddle body (2). A connecting tube (3) is provided at the rear end of the fixed tube (4). Symmetrical fixed boxes (6) are provided on the side wall of the fixed tube (4). A cavity without side walls is provided in the fixed box (6). Symmetrical mounting boxes (5) are provided on the inner side wall of one end of the protective cover (1). The disassembly device is in the mounting box (5). The disassembly device includes a spring (7) and a mounting block (13). The springs (7) are symmetrically arranged in the mounting box (5). The mounting block (13) is at the outer end of the mounting box (5) and is slidably connected to it. One end of the spring (7) is connected to the inner side wall of the mounting box (5), and the other end is connected to the mounting block (13). The mounting block (13) passes through the cavity and is slidably connected to it. A through hole is provided on the front side wall of the mounting box (5). A locking box (11) is provided on the upper side wall of the fixed box (6). A locking cavity without one side wall is provided in the locking box (11). A threaded rod (12) and a slider (9) are provided in the locking cavity. The threaded rod (12) passes through the locking cavity. The slider (9) is on the threaded rod (12). The threaded rod (12) passes through the slider (9) and is threadedly connected to it. The slider (9) is in contact with and slidably connected to the inner side wall of the locking box (11). A locking post (8) is provided at the front end of the bottom wall of the slider (9). A fixing hole is provided on the side wall of the fixed box (6). A sliding hole is provided on the side wall of the mounting block (13). The fixing hole and the sliding hole can coincide. The locking post (8) passes through the fixing hole and the sliding hole.

2. The anti-wear underwater vehicle propeller according to claim 1, characterized in that: A hand-held block (14) is provided on the side wall of one end of the mounting block (13) close to the spring (7). The hand-held block (14) passes through the through hole and is slidably connected to it.

3. The anti-wear underwater vehicle propeller according to claim 2, characterized in that: A motor (10) is provided on the upper side wall of the locking box (11). The threaded rod (12) passes through the upper side wall of the locking box (11) and is connected to the output end of the motor (10).

4. The anti-wear underwater vehicle propeller according to claim 3, characterized in that: The paddle body (2) is made of a high-strength corrosion-resistant alloy material.

5. The anti-wear underwater vehicle propeller according to claim 4, wherein: The protective cover (1) is made of a lightweight wear-resistant composite material.

6. The anti-wear underwater vehicle propeller according to claim 5, characterized in that: A wear-resistant coating is provided on the outer side wall of the paddle body (2).

7. The anti-wear underwater vehicle propeller according to claim 6, wherein: The mounting box (5) is made of engineering plastic.

8. The anti-wear underwater vehicle propeller according to claim 7, characterized in that: The locking box (11) is made of high-strength alloy steel.