Ship propeller capable of adjusting rotation angle of ship

By improving the connection method between the protective shroud of the ship propeller and the guide column, it becomes a detachable connection, the problem of difficult disassembly of the protective shroud in the prior art is solved, convenient maintenance and maintenance of the motor and the propeller is achieved, and the practicality of the thruster is improved.

CN222946989UActive Publication Date: 2025-06-06PENGLAI ZHONGBAI JINGLU SHIPBUILDING CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202421954597.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-13
Publication Date
2025-06-06
Estimated Expiration
2034-08-13

AI Technical Summary

Technical Problem

The connection structure between the protective shroud and the pod of the existing ship thruster is inconvenient to disassemble, making it difficult to inspect and maintain the inner motor and propeller.

Method used

By improving the connection between the protective shroud and the guide post, it is made a removable connection. The specific implementation method is to use a limiting unit, including a rotating ring and a card block, and the card block is removed from the installation groove by rotating the rotating ring, and the limiting effect on the guide column is released, so as to facilitate the removal of the protective shroud from the pod.

Benefits of technology

It realizes the convenient disassembly and installation of the protective shroud, which in turn facilitates the maintenance of the motor and propeller, and improves the practicality of the thruster.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN222946989U_ABST
    Figure CN222946989U_ABST
Patent Text Reader

Abstract

The utility model discloses a ship propeller capable of adjusting the rotation angle of a ship, and relates to the technical field of ship propellers, the ship propeller comprises a pod, the top end of the pod is fixedly connected with a full-rotation device and a mounting frame in sequence, and the two sides of the pod are provided with propellers, protective flow guide covers, fixing columns and guide columns which are symmetrically distributed; symmetrically distributed mounting grooves are formed in the side wall of one side of the protective flow guide cover, the guide columns are clamped to the inner sides of the corresponding mounting grooves, two limiting blocks are formed on the outer walls of the guide columns, the mounting grooves are located between the two limiting blocks, and a limiting unit is arranged on one side of the protective flow guide cover. According to the utility model, the connection mode between the protective fairing and the guide pillar is changed into detachable connection, and the limiting effect of the clamping block on the guide pillar can be relieved only by dismounting the bolt and the nut and rotating the rotating ring, so that the protective fairing can be easily taken down from the pod, and further the overhaul and maintenance of a motor and a propeller are facilitated; and the practicability of the propeller is improved.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The utility model relates to the technical field of ship propellers, in particular to a ship propeller capable of adjusting the turning angle of the ship. Background Art

[0002] A ship propeller refers to an energy converter in a ship's propulsion device, which converts the power generated by the engine into thrust for the ship to move forward, so as to overcome the resistance of the ship sailing in the water and propel the ship forward. The propeller is an important component in ship power equipment. Among various types of propellers, podded propellers are the best. Podded propellers, also known as POD propellers, are a new type of ship propulsion device that integrates propulsion and steering devices. It has the technical advantages of high efficiency, low vibration, and low pollution of electric propulsion. The podded propeller places the propulsion motor outside the cabin and is directly connected to the propeller. It can rotate horizontally within 360° to achieve vector propulsion.

[0003] According to patent application number CN218751338U, a ship propeller with adjustable ship turning angle includes a pod, a full-turn device, a mounting frame, motors and propellers on both sides, and the inner wall of the pod is embedded with heat sinks to help the motor improve the heat dissipation efficiency; protective fairings with smooth inner and outer surfaces and streamlined are symmetrically arranged on both sides of the pod, so that the propellers on both sides are protected from damage caused by collision with hard objects, and flow losses along the inner and outer surfaces can be avoided; in addition, the protective fairing can be buffered and protected by the mutual cooperation of the fixed column, the guide column, the first elastic member, and the second elastic member: However, since the protective fairing and the pod are fixedly connected by the fixed column, the guide column and the inner column and the two elastic members, it is difficult to remove the protective fairing from the pod, and this structure is not convenient for the inspection and maintenance of the motor and propeller inside the protective fairing. For this reason, we provide a ship propeller with adjustable ship turning angle. Utility Model Content

[0004] The utility model aims to provide a ship propeller capable of adjusting the turning angle of the ship, so as to solve the problems in the background technology.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A ship propeller capable of adjusting the ship's turning angle comprises a pod, the top of which is fixedly connected in sequence with a full-turn device and a mounting frame, motors on both sides of the pod are fixedly connected with propellers, and protection deflectors for protecting the two propellers are arranged outside, symmetrically distributed fixing columns are fixedly connected on both sides of the pod, and guide columns are slidably connected to the inner sides of the fixing columns through elastic members;

[0007] The top and bottom ends of the side wall of one side of the protective air deflector are provided with symmetrically distributed installation grooves, the guide column is clamped on the inner side of the corresponding installation groove, the guide column is formed with two vertically distributed limit blocks near the outer wall of the protective air deflector, the installation groove is located between the two limit blocks, and one side of the protective air deflector is provided with a limit unit for limiting the guide column to the inner side of the installation groove.

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

[0009] In an optional scheme: the limiting unit includes a swivel, which is arranged on the outside of one side of the protective air deflector, and the inner walls of the top and bottom ends of the swivel are formed with blocks that are symmetrically distributed along the center, and the outer wall of one side of the protective air deflector is provided with a slide groove connected to the installation groove, the block is slidably connected to the inside of the corresponding slide groove, and one end of the block passes through the inner side of the installation groove, the guide column is located on the inner side of the closed area surrounded by the block and the installation groove, and one end of the protective air deflector and the swivel is provided with a fixing component that fixes the two.

[0010] In an optional solution: the fixing assembly includes a fixing plate, the fixing plate is fixedly connected to the outer wall of one end of the protective air duct, the side wall of the swivel is fixedly connected to a mounting plate, the fixing plate overlaps with the mounting plate and is fixedly connected by bolts and nuts.

[0011] In an optional solution: the side of the installation groove close to the edge of the protective air deflector is an outward expansion structure, and the side wall edge of the protective air deflector close to the limit block is a rounded edge structure.

[0012] In an optional solution, the distance between the inner diameter of the swivel and the outer diameter of the protective air guide cover is greater than the height of the limit block.

[0013] In an optional solution: the clamping block is an L-shaped rod structure, the cross bar portion of which is longer and slidably connected to the inside of the slide slot, and the opening length of the slide slot is greater than the opening width of the connection portion between the installation slot and the clamping block.

[0014] In an optional solution, the fixing plate is an L-shaped arc plate structure, and its transverse plate portion overlaps an end of the mounting plate away from the protective air deflector.

[0015] In an optional solution: the end wall of the mounting plate is provided with a group of circular grooves for bolts to pass through, and the end wall of the transverse plate of the fixed plate is provided with two groups of circular grooves for bolts to pass through, and the spacing between the two groups of circular grooves on the fixed plate is equal to the maximum distance that the block can slide inside the slide groove.

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

[0017] The utility model changes the connection mode between the protective fairing and the guide column into a detachable connection. Only by removing the bolts and nuts and rotating the swivel can the limiting effect of the block on the guide column be released, so that the protective fairing can be easily removed from the nacelle, thereby facilitating the inspection and maintenance of the motor and the propeller and improving the practicality of the thruster. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a front view of the utility model.

[0019] Figure 2 It is a schematic diagram of the structure of the utility model when the protective air deflector on one side is removed.

[0020] Figure 3 For the utility model Figure 2 A partial enlarged view of point A in the middle.

[0021] Figure 4 It is a schematic structural diagram of the protective air guide cover and the swivel of the utility model.

[0022] Notes on the figure numbers: 1. nacelle; 2. full-rotation device; 3. mounting frame; 4. propeller; 5. fixing column; 6. guide column; 7. protective fairing; 8. mounting groove; 9. limit block; 10. swivel; 11. block; 12. slide groove; 13. fixing plate; 14. mounting plate; 15. bolt; 16. nut. DETAILED DESCRIPTION

[0023] 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.

[0024] Example 1

[0025] In one embodiment, Figure 1-Figure 4As shown, a ship propulsion device capable of adjusting the turning angle of a ship comprises a pod 1, the top of which is fixedly connected with a full-turn device 2 and a mounting frame 3 in sequence, the motors on both sides of the pod 1 are fixedly connected with propellers 4, and the outsides of the two propellers 4 are provided with protective air deflectors 7 for protecting them, the two sides of the pod 1 are fixedly connected with symmetrically distributed fixing columns 5, and the inner sides of the fixing columns 5 are slidably connected with guide columns 6 through elastic members to achieve a buffering effect on the protective air deflector 7; the top and bottom ends of the side walls of one side of the protective air deflector 7 are provided with symmetrically distributed mounting grooves 8, the guide column 6 is snapped into the inner side of the corresponding installation groove 8, and the outer wall of the guide column 6 close to the protective air deflector 7 is formed with two vertically distributed limit blocks 9, and the installation groove 8 is located between the two limit blocks 9 to fix the guide column 6 and the protective air deflector 7 longitudinally. The side of the installation groove 8 close to the edge of the protective air deflector 7 is an outward expansion structure, which is for facilitating the guide column 6 to be snapped into the inside of the installation groove 8 when installing the protective air deflector 7. The side wall edge of the protective air deflector 7 close to the limit block 9 is a rounded edge structure, which facilitates the protective air deflector 7 to be snapped into between the two limit blocks 9 along the round edge;

[0026] A limiting unit for limiting the guide column 6 to the inner side of the mounting groove 8 is provided on one side of the protective air deflector 7, and the limiting unit includes a swivel 10, which is provided on the outside of one side of the protective air deflector 7, and the distance between the inner diameter of the swivel 10 and the outer diameter of the protective air deflector 7 is greater than the height of the limiting block 9, so as to prevent the swivel 10 from being obstructed by the limiting block 9 and causing the guide column 6 to be unable to be inserted into the inner side of the mounting groove 8, and the top and bottom inner walls of the swivel 10 are formed with block 11 distributed symmetrically with the center, and the outer wall of one side of the protective air deflector 7 is provided with a slide groove 12 connected to the mounting groove 8, and the block 11 is slidably connected to the inside of the corresponding slide groove 12, and one end thereof penetrates to the inner side of the mounting groove 8 On the inner side, the guide column 6 is located on the inner side of the closed area surrounded by the block 11 and the mounting groove 8, that is, the guide column 6 and the protective air deflector 7 are fixed in the horizontal direction. The block 11 is an L-shaped rod structure, and its crossbar portion is relatively long and is slidably connected to the inside of the slide groove 12. The opening length of the slide groove 12 is greater than the opening width of the connection portion between the mounting groove 8 and the block 11. This setting can ensure that when the crossbar portion of the block 11 moves along one end of the slide groove 12 to the other end, the block 11 can be completely retracted into the inner side of the slide groove 12 or the opening side of the mounting groove 8 can be completely blocked, thereby realizing the state switching of releasing the limit of the guide column 6 and firmly limiting it to the inner side of the mounting groove 8;

[0027] Example 2

[0028] The protective air deflector 7 and one end of the swivel 10 are provided with a fixing component for fixing the two, the fixing component includes a fixing plate 13, the fixing plate 13 is fixedly connected to the outer wall of one end of the protective air deflector 7, and the side wall of the swivel 10 is fixedly connected to a mounting plate 14, the fixing plate 13 overlaps with the mounting plate 14 and is fixedly connected by bolts 15 and nuts 16, the fixing plate 13 is an L-shaped arc plate structure, and its cross plate portion overlaps with the end of the mounting plate 14 away from the protective air deflector 7, so as to leave an operating space for removing the nut 16 near one end of the protective air deflector 7, and the end wall of the mounting plate 14 is provided with a group of circular grooves for the bolts 15 to pass through, and the cross plate end wall of the fixing plate 13 is provided with two groups of circular grooves for the bolts 15 to pass through, and the spacing between the two groups of circular grooves on the fixing plate 13 is equal to the maximum distance that the block 11 can slide in the slide groove 12, so that the swivel 10 can be accurately fixed at two positions that are convenient for disassembly or firm fixation of the protective air deflector 7 by bolts 15 and nuts 16.

[0029] Working principle: When it is necessary to disassemble the protective air deflector 7 for the inspection and maintenance of the components inside, first remove the bolts 15 and nuts 16 fixing the fixing plate 13 and the mounting plate 14 in sequence, so that the swivel 10 is separated from the fixing of the protective air deflector 7, and then rotate the swivel 10 to make the block 11 slide along the slide groove 12 until the block 11 completely escapes from the mounting groove 8 and is received in the slide groove 12, that is, the limiting effect of the block 11 on the guide column 6 is lost. At this time, it is only necessary to directly remove the protective air deflector 7 can be removed by moving it to both sides of the pod 1; when installing it again, the protective air deflector 7 is clamped on the outside of the guide column 6 along the installation grooves 8 at the top and bottom ends, and then the swivel 10 is rotated to make the clamping block 11 slide along the slide groove 12 and enter the installation groove 8, so that the clamping block 11, the installation groove 8 and the upper and lower limit blocks 9 can fix the guide column 6. Finally, the fixing plate 13 and the mounting plate 14 are fixed with bolts 15 and nuts 16, and the fixed installation of the protective air deflector 7 is completed.

[0030] The above-mentioned embodiment discloses a ship propeller with an adjustable ship rotation angle, wherein the protective fairing 7 and the guide column 6 are detachably connected via a limiting unit. It is only necessary to remove the bolts 15 and the nuts 16 and rotate the swivel 10 so that the block 11 is disengaged from the mounting groove 8 to release the limiting effect of the block 11 on the guide column 6. The protective fairing 7 can be quickly removed from the pod 1, thereby facilitating the inspection and maintenance of the internal motor and propeller 4 of the pod 1.

[0031] The above is only a specific implementation of the present application, but the protection scope of the present application is not limited thereto. Any person skilled in the art who is familiar with the present technical field can easily think of changes or substitutions within the technical scope disclosed in the present application, which should be included in the protection scope of the present application. Therefore, the protection scope of the present application should be based on the protection scope of the claims.

Claims

1. A ship propeller capable of adjusting the ship's turning angle, comprising a pod (1), the top of the pod (1) being fixedly connected in sequence with a full-turn device (2) and a mounting frame (3), the motors on both sides of the pod (1) being fixedly connected with propellers (4), the outsides of the two propellers (4) being provided with protective fairings (7) for protecting them, the two sides of the pod (1) being fixedly connected with symmetrically distributed fixing columns (5), the inner sides of the fixing columns (5) being slidably connected with guide columns (6) via elastic members; It is characterized in that The top and bottom ends of the side wall of one side of the protective air deflector (7) are provided with symmetrically distributed mounting grooves (8); the guide column (6) is snap-connected to the inner side of the corresponding mounting groove (8); the guide column (6) is formed with two vertically distributed limit blocks (9) near the outer wall of the protective air deflector (7); the mounting groove (8) is located between the two limit blocks (9); and a limit unit for limiting the guide column (6) to the inner side of the mounting groove (8) is provided on one side of the protective air deflector (7).

2. A ship propeller capable of adjusting the ship's turning angle according to claim 1, characterized in that: The limiting unit comprises a swivel (10), the swivel (10) being arranged outside one side of the protective air deflector (7), the inner walls of the top and bottom ends of the swivel (10) being formed with blocks (11) distributed symmetrically with respect to the center, the outer wall of one side of the protective air deflector (7) being provided with a slide groove (12) connected with the mounting groove (8), the block (11) being slidably connected to the inside of the corresponding slide groove (12), and one end of the block (11) passing through the inner side of the mounting groove (8), the guide column (6) being located inside the closed area surrounded by the block (11) and the mounting groove (8), and a fixing component for fixing the protective air deflector (7) and the swivel (10) being provided at one end.

3. A ship propeller capable of adjusting the ship's turning angle according to claim 2, characterized in that: The fixing assembly comprises a fixing plate (13), wherein the fixing plate (13) is fixedly connected to an outer wall of one end of the protective air deflector (7), and a mounting plate (14) is fixedly connected to the side wall of the rotating ring (10), wherein the fixing plate (13) overlaps with the mounting plate (14) and is fixedly connected via bolts (15) and nuts (16).

4. A ship propeller capable of adjusting the ship's turning angle according to claim 1, characterized in that: The side of the installation groove (8) close to the edge of the protective air deflector (7) is an outward expansion structure, and the side wall edge of the protective air deflector (7) close to the limit block (9) is a rounded edge structure.

5. The ship propeller capable of adjusting the ship turning angle according to claim 2, characterized in that: The distance between the inner diameter of the rotating ring (10) and the outer diameter of the protective air guide cover (7) is greater than the height of the limiting block (9).

6. A ship propeller capable of adjusting the ship's turning angle according to claim 2, characterized in that: The clamping block (11) is an L-shaped rod structure, the crossbar portion of which is relatively long and slidably connected to the inside of the slide groove (12), and the opening length of the slide groove (12) is greater than the opening width of the connection portion between the installation groove (8) and the clamping block (11).

7. The ship propeller capable of adjusting the ship turning angle according to claim 3, characterized in that: The fixing plate (13) is an L-shaped arc plate structure, and its transverse plate portion overlaps an end of the mounting plate (14) away from the protective air deflector (7).

8. The ship propeller capable of adjusting the ship turning angle according to claim 7, characterized in that: The end wall of the mounting plate (14) is provided with a group of circular grooves for the bolts (15) to pass through, and the end wall of the transverse plate of the fixing plate (13) is provided with two groups of circular grooves for the bolts (15) to pass through, and the spacing between the two groups of circular grooves on the fixing plate (13) is equal to the maximum distance that the block (11) can slide inside the slide groove (12).