Anti-winding propeller structure for ship thruster

Abstract

The utility model discloses an anti-winding propeller structure for a ship thruster, which comprises an inner support block, the inner part of the inner support block is rotatably connected with a connecting rotating shaft, and one end of the connecting rotating shaft is fixedly connected with a connecting shaft. According to the device, the side cutting knives on the two sides of the connecting blades and the top cutting knife on the top of the connecting blades are used for cutting ropes, fishing nets, sea grass and algae, and the situation that the ropes, the fishing nets, the sea grass and the algae wind a propeller, and the propeller is stuck is prevented; limiting installation between the installation base and the installation groove is achieved, limiting installation between the positioning block and the positioning groove is achieved, the installation base, the connecting blade and the side cutting knife are installed and fixed on the outer side of the outer fixing sleeve and the outer side of the connecting shaft, and replacement and maintenance are convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of propeller structures, in particular to an anti-winding propeller structure for a ship propeller. Background Technique

[0002] A ship propeller is an energy converter in a ship propulsion device. Its function is to convert the power generated by the engine into the thrust for the ship to move forward, so as to overcome the resistance of the ship sailing in the water and push the ship forward. The propeller is a kind of ship propeller and also the most widely used ship propulsion method at present. However, during the use of the propeller of the ship propeller, the area between the propeller hub and the ship stern shaft bracket is often entangled by ropes, fishing nets, seaweeds, algae, etc. in the water, resulting in the propeller being stuck, affecting the normal operation of the ship. And to deal with the situation of the propeller being stuck, only divers can be sent into the sea to cut the entangled objects with knives, or use other ships to tow it to the shore or port to clean the entangled objects, and the treatment method is rather troublesome. Content of the Utility Model

[0003] The purpose of the utility model is to provide an anti-winding propeller structure for a ship propeller, so as to solve the problem that the area between the propeller hub and the ship stern shaft bracket is often entangled by ropes, fishing nets, seaweeds, algae, etc. in the water, resulting in the propeller being stuck, affecting the normal operation of the ship, and to deal with the situation of the propeller being stuck, only divers can be sent into the sea to cut the entangled objects with knives, or use other ships to tow it to the shore or port to clean the entangled objects, and the treatment method is rather troublesome as mentioned in the above background technique.

[0004] To achieve the above purpose, the utility model provides the following technical scheme: an anti-winding propeller structure for a ship propeller, including an inner support block, a connecting rotating shaft is rotatably connected inside the inner support block, one end of the connecting rotating shaft is fixedly connected with a connecting shaft, an outer fixed sleeve is rotatably connected to the outside of the connecting rotating shaft, one end of the outer fixed sleeve is fixedly connected with the inner support block, the other end of the outer fixed sleeve is rotatably connected with the connecting shaft, a plurality of propeller blades are equidistantly and fixedly connected to the outside of the connecting shaft, a plurality of installation grooves are equidistantly opened on the outside of the outer fixed sleeve and the connecting shaft, an installation seat is installed inside the installation groove, a connecting blade is fixedly connected to the outside of the installation seat, side cutting knives are fixedly connected to both sides of the connecting blade, and a top cutting knife is fixedly connected to the top of the connecting blade.

[0005] As a preferred scheme of the utility model: a positioning block is fixedly connected to the side of the installation seat away from the connecting blade, and a plurality of positioning grooves matched with the positioning block are equidistantly opened on the outside of the outer fixed sleeve and the connecting shaft.

[0006] As a preferred scheme of the utility model: connecting brackets are symmetrically and fixedly connected to the outside of the inner support block.

[0007] As a preferred embodiment of the present utility model: an outer housing is fixedly connected to the outside of the connecting bracket.

[0008] As a preferred embodiment of the present utility model: the mounting seat and the mounting groove are installed by bolts.

[0009] Compared with the prior art, the beneficial effects of the present utility model are as follows: by providing connecting blades, side cutting knives and top cutting knives, the side cutting knives on both sides of the connecting blades and the top cutting knives at the top are used to cut ropes, fishing nets, seaweeds and algae, preventing the ropes, fishing nets, seaweeds and algae from winding around the propeller and causing the propeller to be stuck. By providing a mounting seat, a mounting groove, a positioning block and a positioning groove, the mounting seat and the mounting groove are limited and installed, and the positioning block and the positioning groove are limited and installed. The mounting seat, the connecting blade and the side cutting knife are installed and fixed on the outside of the outer fixing sleeve and the connecting shaft, which is convenient for replacement and maintenance. Description of the Drawings

[0010] Figure 1 is a schematic diagram of the overall structure of the present utility model;

[0011] Figure 2 is a schematic diagram of the internal structure of the outer fixing sleeve of the present utility model;

[0012] Figure 3 is a schematic diagram of the internal structure of the connecting shaft of the present utility model.

[0013] In the figure: 1, outer housing; 2, inner support block; 3, connecting rotating shaft; 4, outer fixing sleeve; 5, connecting shaft; 6, propeller blade; 7, positioning groove; 8, mounting groove; 9, positioning block; 10, mounting seat; 11, connecting blade; 12, side cutting knife; 13, top cutting knife; 14, connecting bracket. Detailed Embodiments

[0014] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the 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 the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0015] Please refer to Figures 1 to 3, the present utility model provides a technical solution: an anti - entanglement propeller structure for a ship propeller, including an inner support block 2. A connecting rotating shaft 3 is rotatably connected inside the inner support block 2. One end of the connecting rotating shaft 3 is fixedly connected to a connecting shaft 5. An outer fixing sleeve 4 is rotatably connected to the outer side of the connecting rotating shaft 3. One end of the outer fixing sleeve 4 is fixedly connected to the inner support block 2, and the other end of the outer fixing sleeve 4 is rotatably connected to the connecting shaft 5. A plurality of propeller blades 6 are equidistantly and fixedly connected to the outer side of the connecting shaft 5. A plurality of installation grooves 8 are equidistantly formed on the outer sides of the outer fixing sleeve 4 and the connecting shaft 5. An installation seat 10 is installed inside the installation groove 8. A connecting blade 11 is fixedly connected to the outer side of the installation seat 10. Side cutting knives 12 are fixedly connected to both sides of the connecting blade 11, and a top cutting knife 13 is fixedly connected to the top of the connecting blade 11. When the connecting shaft 5 rotates, it drives the respective installation seats 10, connecting blades 11, side cutting knives 12, and top cutting knives 13 on the outer side to rotate, and cooperates with the respective connecting blades 11, side cutting knives 12, and top cutting knives 13 on the outer side of the outer fixing sleeve 4 to complete the cutting treatment of ropes, fishing nets, seaweeds, and algae, preventing the ropes, fishing nets, seaweeds, and algae from entangling the propeller and preventing the propeller from being jammed.

[0016] Among them, a positioning block 9 is fixedly connected to the side of the installation seat 10 away from the connecting blade 11. A plurality of positioning grooves 7 that cooperate with the positioning block 9 are equidistantly formed on the outer sides of the outer fixing sleeve 4 and the connecting shaft 5. Through the positioning installation between the positioning block 9 and the positioning groove 7, the positioning block 9, installation seat 10, connecting blade 11, side cutting knives 12, and top cutting knife 13 are positioned and installed on the outer sides of the outer fixing sleeve 4 and the connecting shaft 5, improving the installation efficiency and stability.

[0017] Among them, connecting brackets 14 are symmetrically and fixedly connected to the outer side of the inner support block 2. The inner support block 2 is supported and fixed to the outer shell 1 through the connecting brackets 14.

[0018] Among them, an outer shell 1 is fixedly connected to the outer side of the connecting bracket 14. The outer shell 1 provides a protective treatment for the outside of the connecting shaft 5 and the propeller blades 6.

[0019] Among them, the installation seat 10 and the installation groove 8 are installed by bolts. The installation seat 10 and the installation groove 8 are installed by bolts. By removing the bolts, the installation seat 10 can be removed, and the disassembly of the installation seat 10, positioning block 9, connecting blade 11, side cutting knives 12, and top cutting knife 13 can be completed.

[0020] Specifically, during use, it is positioned and installed through the positioning block 9 and the positioning groove 7, and the mounting base 10 and the mounting groove 8 are installed and positioned. The mounting base 10 and the mounting groove 8 are installed and fixed by bolts. The mounting base 10, the connecting blade 11, the side cutting knife 12, and the top cutting knife 13 are equidistantly installed outside the outer fixing sleeve 4 and the connecting shaft 5. The connecting rotating shaft 3 is rotated by an external driving device. When the connecting rotating shaft 3 rotates, it drives the connecting shaft 5 and the propeller blade 6 to rotate. At the same time, when the connecting shaft 5 rotates, it drives the outer mounting bases 10, the connecting blades 11, the side cutting knives 12, and the top cutting knives 13 to rotate, and cooperates with the respective connecting blades 11, side cutting knives 12, and top cutting knives 13 on the outside of the outer fixing sleeve 4 to complete the cutting treatment of ropes, fishing nets, seaweeds, and algae, preventing the ropes, fishing nets, seaweeds, and algae from entangling the propeller and preventing the propeller from being stuck.

[0021] In the description of the present invention, it should be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "the other end", "upper", "one side", "top", "inner", "front", "center", "both ends", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation to the present invention.

[0022] In addition, the terms "first", "second", "third", and "fourth" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features. Thus, the features defined with "first", "second", "third", and "fourth" may explicitly or implicitly include at least one of such features.

[0023] In the present invention, unless otherwise clearly defined and limited, the terms "install", "set", "connect", "fix", "swivel connection", etc. should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or integrated; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium. It can be the internal communication of two components or the interaction relationship between two components. Unless otherwise clearly defined, for those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0024] Although embodiments of the present utility model have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principle and spirit of the present utility model. The scope of the present utility model is defined by the appended claims and their equivalents.

Claims

1. An anti-entanglement propeller structure for a ship propeller, including an inner support block (2), characterized in that, A connecting rotating shaft (3) is rotatably connected inside the inner support block (2). One end of the connecting rotating shaft (3) is fixedly connected to a connecting shaft (5). An outer fixed sleeve (4) is rotatably connected to the outer side of the connecting rotating shaft (3). One end of the outer fixed sleeve (4) is fixedly connected to the inner support block (2), and the other end of the outer fixed sleeve (4) is rotatably connected to the connecting shaft (5). A plurality of propeller blades (6) are fixedly connected to the outer side of the connecting shaft (5) at equal intervals. A plurality of mounting grooves (8) are formed at equal intervals on the outer sides of the outer fixed sleeve (4) and the connecting shaft (5). A mounting seat (10) is installed inside the mounting groove (8). A connecting blade (11) is fixedly connected to the outer side of the mounting seat (10). Side cutting knives (12) are fixedly connected to both sides of the connecting blade (11), and a top cutting knife (13) is fixedly connected to the top of the connecting blade (11).

2. The anti - entanglement propeller structure for a ship propeller according to claim 1, characterized in that: A positioning block (9) is fixedly connected to the side of the mounting seat (10) away from the connecting blade (11). A plurality of positioning grooves (7) that cooperate with the positioning block (9) are formed at equal intervals on the outer sides of the outer fixed sleeve (4) and the connecting shaft (5).

3. The anti - entanglement propeller structure for a ship propeller according to claim 1, characterized in that: Connecting brackets (14) are symmetrically and fixedly connected to the outer side of the inner support block (2).

4. The anti - entanglement propeller structure for a ship propeller according to claim 3, characterized in that: An outer housing (1) is fixedly connected to the outer side of the connecting bracket (14).

5. A anti-entanglement propeller structure for a ship propeller according to claim 1, characterized in that: The mounting seat (10) and the mounting groove (8) are installed by bolts.

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