Ship propeller protection device

By designing a ship propeller protection device with cutting components and protective components, the problem of water plants and fishing nets wrapping the propeller transmission shaft is solved to ensure that the ship sails normally and protect the propeller.

CN222572515UActive Publication Date: 2025-03-07PENGLAI ZHONGBAI JINGLU SHIPBUILDING CO LTD
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Patent Information

Application Number
CN202420653226.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-04-01
Publication Date
2025-03-07
Estimated Expiration
2034-04-01

AI Technical Summary

Technical Problem

The existing ship propeller protection device cannot effectively prevent the water plants and fishing nets from wrapping around the propeller drive shaft, causing the ship's navigation to be affected or the propeller stuck.

Method used

A ship propeller protection device is designed, including a fixing cylinder, a sound-wave drive box, a cutting assembly and a protective assembly. The cutting assembly drives the disc cutting knife to rotate through the worm sleeve and worm gear system to cut the aquatic plants and fishing nets wrapped around the fixed cylinder; the protective assembly protects the propeller from impact through a protective cover.

Benefits of technology

Effectively prevent aquatic plants and fishing nets from wrapping around the propeller transmission shaft, ensuring normal navigation of the ship, and protecting the propeller from damage caused by debris impact.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a ship propeller protection device, which relates to the technical field of ship equipment, and comprises a fixed cylinder and a sound wave repeller box, the fixed cylinder is rotatably connected with a propeller shaft through a bearing in a penetrating manner, the sound wave repeller box is fixed on a ship body through bolts, the fixed cylinder is fixedly connected with the sound wave repeller box, and the sound wave repeller box is fixed on the ship body through bolts. The aquatic plant driving device further comprises a cutting assembly, a protection assembly and a sound wave driving assembly, the cutting assembly is arranged in the fixing cylinder and used for cutting aquatic plants wound on the fixing cylinder, the protection assembly is arranged on the fixing cylinder and used for protecting the propeller against impact, and the sound wave driving assembly is arranged in the sound wave driving device box. The device is used for driving fishes near the propeller. The aquatic plants and the fishing net wound on the surface of the fixing cylinder can be broken through the cutting assembly, and the situation that the aquatic plants and the fishing net are wound on the fixing cylinder to affect sailing of a ship is prevented.
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Description

Technical Field

[0001] The utility model relates to the technical field of ship equipment, in particular to a ship propeller protection device. Background Art

[0002] A propeller is a device that converts the engine's rotational power into propulsion by rotating its blades in the air or water.

[0003] According to the announcement number: CN216834229U, it involves the field of ship equipment technology, specifically refers to a ship propeller protection component, which can only protect the sonic repeller, but during the operation of the propeller, it is easy for water plants, fishing nets and other debris to entangle the propeller drive shaft position, which is not easy to clean, affecting the normal navigation of the ship. In severe cases, the propeller may be stuck, making the ship unable to move forward.

[0004] Based on this, a ship propeller protection device is now provided, which can eliminate the disadvantages of the existing devices. Utility Model Content

[0005] The utility model aims to provide a ship propeller protection device to solve the problem that the existing ship propeller protection device cannot prevent water weeds and fishing nets from winding around the propeller transmission shaft.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] The ship propeller protection device comprises a fixed cylinder and a sonic wave drive box, wherein the fixed cylinder is rotatably connected to the propeller shaft through a bearing, the sonic wave drive box is fixed to the hull through bolts, the fixed cylinder is fixedly connected to the sonic wave drive box, and further comprises a cutting component, a protective component, and a sonic wave drive component, wherein the cutting component is arranged in the fixed cylinder and is used to cut the waterweed wound around the fixed cylinder, the protective component is arranged on the fixed cylinder and is used to protect the propeller from being hit, and the sonic wave drive component is arranged in the sonic wave drive box and is used to drive away the fish near the propeller.

[0008] On the basis of the above technical solutions, the present invention also provides the following optional technical solutions:

[0009] In an optional solution: the protection component includes a protection cover, the side wall of the fixed cylinder is fixedly connected with the protection cover, and the protection cover is arranged on the periphery of the propeller.

[0010] In an optional scheme: the cutting assembly includes a worm sleeve, a disc cutting knife, a first synchronous pulley, a second synchronous pulley, a worm wheel, a first rotating shaft, a second rotating shaft, and a fixed plate; the inner side wall of the fixed cylinder is fixedly connected to four fixed plates evenly distributed around the circumference; the side walls of the four fixed plates are rotatably connected to a plurality of first rotating shafts and a second rotating shaft through bearings; the first rotating shaft is fixedly connected to a worm wheel and a second synchronous pulley; the worm sleeve is fixedly connected to the propeller shaft; a plurality of worm wheels are meshed with the worm sleeve together; a disc cutting knife and a first synchronous pulley are fixedly connected to the second rotating shaft; the first synchronous pulley and the second synchronous pulley are jointly matched with a synchronous belt; the disc cutting knife extends through and extends outside the fixed cylinder.

[0011] In an optional solution, the sonic wave driving assembly includes a sonic wave driving device, a side wall of the sonic wave driving device box is provided with a plurality of sonic wave driving device slots, and the inner side walls of the sonic wave driving device slots are fixedly connected with the sonic wave driving devices by bolts.

[0012] In an optional solution: the inner side wall of the sonic wave driver groove is provided with four block grooves opposed to each other, the inner side wall of the block groove is slidably connected with a block, a damping spring is fixedly connected between the block and the inner side wall of the block groove, the inner side wall of the sonic wave driver groove is slidably connected with a protective cover, the bottom wall of the protective cover is fixedly connected with four mounting blocks, the four side walls of the mounting blocks are provided with holes corresponding to the block, and the block is engaged with the holes of the mounting block.

[0013] In an optional solution: the side wall of the block is provided with a chamfer.

[0014] In an optional solution: a side wall of the clamping block located in the clamping block groove is provided with a protrusion, and the clamping block protrusion is slidably connected to the inner side wall of the clamping block groove.

[0015] In an optional solution: a buffer rubber pad is provided on the inner side wall of the sonic driver groove.

[0016] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0017] 1. When the propeller is driven to rotate by the propeller shaft, the propeller shaft drives the worm sleeve to rotate at the same time, the worm sleeve drives a plurality of worm wheels to rotate, the worm wheels drive the first rotating shaft to rotate, the first rotating shaft drives the second synchronous belt wheel to rotate, the second synchronous belt wheel drives the first synchronous belt wheel to rotate through the synchronous belt, the first synchronous belt wheel drives the second rotating shaft to rotate, the second rotating shaft drives the disc cutter to rotate, the rotation of the disc cutter can break the waterweed and fishing nets wound on the surface of the fixed cylinder to prevent them from being wound on the fixed cylinder and affecting the navigation of the ship.

[0018] 2. The utility model can protect the propeller from being hit by debris in the water and causing damage through the protective cover. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a structural schematic diagram of the utility model.

[0020] Figure 2 This is a first viewing angle diagram of the present invention.

[0021] Figure 3 This is the first cross-sectional view of the internal structure of the fixing cylinder of the utility model.

[0022] Figure 4 This is the second cross-sectional view of the internal structure of the fixing cylinder of the utility model.

[0023] Figure 5 For the utility model Figure 3 Enlarged view of point A in the middle.

[0024] Figure 6 For the utility model Figure 4 Enlarged view of point B in the middle.

[0025] Figure 7 The utility model is a schematic diagram of the internal structure of the sonic repeller box.

[0026] Figure 8 It is a schematic diagram of the internal structure of the card block slot of the utility model.

[0027] Notes on figure numbers: 1 protective cover, 2 propeller, 3 fixed cylinder, 4 propeller shaft, 5 worm sleeve, 6 disc cutting knife, 7 first synchronous pulley, 8 second synchronous pulley, 9 worm gear, 10 first rotating shaft, 11 second rotating shaft, 12 fixed plate, 13 sonic wave driver box, 14 protective cover, 15 sonic wave driver, 16 clamp block, 17 mounting block. DETAILED DESCRIPTION

[0028] In order to make the purpose, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments.

[0029] Example 1

[0030] In one embodiment, Figure 1-Figure 8As shown, the ship propeller protection device includes a fixed cylinder 3 and a sonic wave drive box 13. The fixed cylinder 3 is rotatably connected to the propeller shaft 4 through a bearing. The sonic wave drive box 13 is fixed to the hull by bolts. The fixed cylinder 3 is fixedly connected to the sonic wave drive box 13. It also includes a cutting component, a protective component, and a sonic wave drive component. The cutting component is arranged in the fixed cylinder 3 for cutting the waterweed wound around the fixed cylinder 3. The protective component is arranged on the fixed cylinder 3 for protecting the propeller 2 from impact. The sonic wave drive component is arranged in the sonic wave drive box 13 for driving away fish near the propeller.

[0031] In one embodiment, Figure 1 As shown, the protection assembly includes a protection cover 1, the side wall of the fixing cylinder 3 is fixedly connected with the protection cover 1, and the protection cover 1 is arranged on the periphery of the propeller 2. The protection cover 1 can protect the propeller 2 from being hit by debris in the water and causing damage.

[0032] In one embodiment, Figure 3 and Figure 5 As shown, the cutting assembly includes a worm sleeve 5, a disc cutter 6, a first synchronous pulley 7, a second synchronous pulley 8, a worm wheel 9, a first rotating shaft 10, a second rotating shaft 11, and a fixed plate 12. The inner wall of the fixed cylinder 3 is fixedly connected with four fixed plates 12 evenly distributed around the circumference. The side walls of the four fixed plates 12 are rotatably connected with a plurality of first rotating shafts 10 and second rotating shafts 11 through bearings. The first rotating shaft 10 is fixedly connected with a worm wheel 9 and a second synchronous pulley 8. The worm sleeve 5 is fixedly connected to the propeller shaft 4. A plurality of worm wheels 9 are meshed with the worm sleeve 5. The second rotating shaft 11 is fixedly connected with a disc cutter 6 and a first synchronous pulley 7. The first synchronous pulley 7 and the second synchronous pulley 8 are jointly matched with a synchronous belt. The disc cutter 6 extends through and extends outside the fixed cylinder 3. When the propeller shaft 4 drives the propeller 2 to rotate, the propeller shaft 4 also drives the worm sleeve 5 to rotate, the worm sleeve 5 drives a number of worm gears 9 to rotate, the worm gear 9 drives the first rotating shaft 10 to rotate, the first rotating shaft 10 drives the second synchronous pulley 8 to rotate, the second synchronous pulley 8 drives the first synchronous pulley 7 to rotate through the synchronous belt, the first synchronous pulley 7 drives the second rotating shaft 11 to rotate, the second rotating shaft 11 drives the disc cutter 6 to rotate, the rotation of the disc cutter 6 can break the waterweed and fishing nets wrapped around the surface of the fixed cylinder 3 to prevent them from being wrapped around the fixed cylinder 3 and affecting the navigation of the ship.

[0033] In one embodiment, Figure 7 As shown, the acoustic wave driving assembly includes an acoustic wave driving device 15, and the side wall of the acoustic wave driving device box 13 is provided with a plurality of acoustic wave driving device grooves, and the inner side wall of the acoustic wave driving device groove is fixedly connected with the acoustic wave driving device 15 by bolts. The acoustic wave driving device 15 can disperse the fish school around the propeller 2.

[0034] In one embodiment, Figure 7 and Figure 8 As shown, the inner side wall of the sonic wave drive groove is provided with four block grooves opposite to each other, the inner side wall of the block groove is slidably connected with a block 16, a damping spring is fixedly connected between the block 16 and the inner side wall of the block groove, a protective cover 14 is slidably connected to the inner side wall of the sonic wave drive groove, four mounting blocks 17 are fixedly connected to the bottom wall of the protective cover 14, and the side walls of the four mounting blocks 17 are provided with holes corresponding to the block 16, and the block 16 is engaged with the holes of the mounting block 17. During installation, it is only necessary to insert the protective cover 14 into the sonic wave drive groove, and the block 16 cooperates with the damping spring so that the hole on the mounting block 17 is engaged with the block 16, and the installation can be completed, and the installation operation is quick and convenient.

[0035] Example 2

[0036] In one embodiment, Figure 7 and Figure 8 As shown, the side wall of the clamping block 16 is provided with a chamfer, so that the clamping block 16 can be clamped more smoothly.

[0037] In one embodiment, Figure 8 As shown, the side wall of the block 16 located in the block groove is provided with a protrusion, and the protrusion of the block 16 is slidably connected to the inner side wall of the block groove. The protrusion can limit the block 16.

[0038] In one embodiment, Figure 7 As shown, the inner side wall of the sound wave driver groove is provided with a cushioning rubber pad. The cushioning rubber pad can protect the sound wave driver 15 from impact.

[0039] The above embodiment discloses a ship propeller protection device. When the propeller shaft 4 drives the propeller 2 to rotate, the propeller shaft 4 drives the worm sleeve 5 to rotate, the worm sleeve 5 drives a plurality of worm wheels 9 to rotate, the worm wheels 9 drive the first rotating shaft 10 to rotate, the first rotating shaft 10 drives the second synchronous belt pulley 8 to rotate, the second synchronous belt pulley 8 drives the first synchronous belt pulley 7 to rotate through the synchronous belt, the first synchronous belt pulley 7 drives the second rotating shaft 11 to rotate, the second rotating shaft 11 drives the disc cutter 6 to rotate, the disc cutter 6 can be rotated to break the water grass and fishing nets wound on the surface of the fixed cylinder 3, and prevent them from being wound on the fixed cylinder 3 and affecting the navigation of the ship;

[0040] The protective cover 1 can protect the propeller 2 from being hit by debris in the water and causing damage;

[0041] The fish school around the propeller 2 can be dispersed by the sonic repeller 15;

[0042] The sound wave repeller 15 can be protected by a protective cover 14;

[0043] During installation, it is only necessary to insert the protective cover 14 into the sonic repeller slot, and the clamping block 16 cooperates with the damping spring so that the hole on the mounting block 17 is clamped with the clamping block 16 to complete the installation. The installation operation is quick and convenient.

[0044] The above is only a specific implementation of the present disclosure, but the protection scope of the present disclosure is not limited thereto. Any person skilled in the art who is familiar with the technical field can easily think of changes or substitutions within the technical scope disclosed in the present disclosure, which should be included in the protection scope of the present disclosure. Therefore, the protection scope of the present disclosure should be based on the protection scope of the claims.

Claims

1. A ship propeller protection device, comprising a fixing cylinder (3) and a sonic wave drive box (13), wherein the fixing cylinder (3) is rotatably connected to a propeller shaft (4) through a bearing, the sonic wave drive box (13) is fixed to a ship hull through bolts, and the fixing cylinder (3) is fixedly connected to the sonic wave drive box (13), characterized in that: It also comprises a cutting component, a protection component and a sonic wave driving component. The cutting component is arranged in the fixed cylinder (3) and is used to cut the waterweeds wound around the fixed cylinder (3). The protection component is arranged on the fixed cylinder (3) and is used to protect the propeller (2) from being hit. The sonic wave driving component is arranged in the sonic wave driving device box (13) and is used to drive away the fish near the propeller.

2. The ship propeller protection device according to claim 1, characterized in that: The protection assembly comprises a protection cover (1), the side wall of the fixing cylinder (3) is fixedly connected with the protection cover (1), and the protection cover (1) is arranged on the periphery of the propeller (2).

3. The ship propeller protection device according to claim 2, characterized in that: The cutting assembly comprises a worm sleeve (5), a disc cutter (6), a first synchronous belt pulley (7), a second synchronous belt pulley (8), a worm wheel (9), a first rotating shaft (10), a second rotating shaft (11), and a fixed plate (12). The inner side wall of the fixed cylinder (3) is fixedly connected with four fixed plates (12) evenly distributed around the circumference. The side walls of the four fixed plates (12) are rotatably connected with a plurality of first rotating shafts (10) and second rotating shafts (11) through bearings. The first rotating shaft (10) is fixedly connected with a worm wheel (9) and a second synchronous belt pulley (8). The worm sleeve (5) is fixedly connected with the propeller shaft (4). The plurality of worm wheels (9) are meshed with the worm sleeve (5). The second rotating shaft (11) is fixedly connected with a disc cutter (6) and a first synchronous belt pulley (7). The first synchronous belt pulley (7) and the second synchronous belt pulley (8) are matched with a synchronous belt. The disc cutter (6) extends through and extends outside the fixed cylinder (3).

4. The ship propeller protection device according to claim 3, characterized in that: The sonic wave driving assembly comprises a sonic wave driving device (15). The side wall of the sonic wave driving device box (13) is provided with a plurality of sonic wave driving device grooves. The inner side walls of the sonic wave driving device grooves are fixedly connected with the sonic wave driving devices (15) by means of bolts.

5. The ship propeller protection device according to claim 4, characterized in that: The inner side wall of the sonic wave driver groove is provided with four block grooves which are opposite to each other in pairs, the inner side wall of the block groove is slidably connected with a block (16), a damping spring is fixedly connected between the block (16) and the inner side wall of the block groove, the inner side wall of the sonic wave driver groove is slidably connected with a protective cover (14), the bottom wall of the protective cover (14) is fixedly connected with four mounting blocks (17), the side walls of the four mounting blocks (17) are all provided with holes corresponding to the block (16), and the block (16) is engaged with the holes of the mounting block (17).

6. The ship propeller protection device according to claim 5, characterized in that: The side wall of the clamping block (16) is provided with a chamfer.

7. The ship propeller protection device according to claim 6, characterized in that: The side wall of the clamping block (16) located in the clamping block groove is provided with a protrusion, and the protrusion of the clamping block (16) is slidably connected to the inner side wall of the clamping block groove.

8. The ship propeller protection device according to claim 7, characterized in that: The inner side wall of the sonic driver groove is provided with a buffer rubber pad.

Citation Information

Patent Citations

  • Ship propeller protection component

    CN216834229U